diff options
Diffstat (limited to 'lib')
304 files changed, 85563 insertions, 0 deletions
diff --git a/lib/eventlog/Makefile.in b/lib/eventlog/Makefile.in new file mode 100644 index 0000000..8bfd959 --- /dev/null +++ b/lib/eventlog/Makefile.in @@ -0,0 +1,350 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2020-2023 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ +EGREP = @EGREP@ +SED = @SED@ + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) -I$(top_srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to the link stage +LDFLAGS = @LDFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Libraries +LIBUTIL = $(top_builddir)/lib/util/libsudo_util.la +LT_LIBS = $(LIBUTIL) +LIBS = $(LT_LIBS) + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +TEST_PROGS = check_wrap check_parse_json store_json_test store_sudo_test +TEST_VERBOSE = + +LIBEVENTLOG_OBJS = eventlog.lo eventlog_conf.lo eventlog_free.lo logwrap.lo \ + parse_json.lo + +IOBJS = $(LIBEVENTLOG_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +CHECK_WRAP_OBJS = check_wrap.lo logwrap.lo + +CHECK_PARSE_JSON_OBJS = check_parse_json.lo parse_json.lo + +STORE_JSON_TEST_OBJS = store_json_test.lo + +STORE_SUDO_TEST_OBJS = store_sudo_test.lo + +all: libsudo_eventlog.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/eventlog/Makefile.in + cd $(top_builddir) && ./config.status --file lib/eventlog/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/eventlog/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +libsudo_eventlog.la: $(LIBEVENTLOG_OBJS) $(LT_LIBS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBEVENTLOG_OBJS) $(LT_LIBS) + +check_parse_json: $(CHECK_PARSE_JSON_OBJS) $(LIBUTIL) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_PARSE_JSON_OBJS) $(LDFLAGS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(LIBS) + +check_wrap: $(CHECK_WRAP_OBJS) $(LIBUTIL) $(LIBUTIL) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_WRAP_OBJS) $(LDFLAGS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(LIBS) + +store_json_test: $(STORE_JSON_TEST_OBJS) $(LIBUTIL) libsudo_eventlog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STORE_JSON_TEST_OBJS) $(LDFLAGS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(LIBS) libsudo_eventlog.la + +store_sudo_test: $(STORE_SUDO_TEST_OBJS) $(LIBUTIL) libsudo_eventlog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STORE_SUDO_TEST_OBJS) $(LDFLAGS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(LIBS) libsudo_eventlog.la + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +pvs-log-files: $(POBJS) + +pvs-studio: $(POBJS) + plog-converter $(PVS_LOG_OPTS) $(POBJS) + +fuzz: + +check-fuzzer: + +check: $(TEST_PROGS) check-fuzzer + @if test X"$(cross_compiling)" != X"yes"; then \ + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + umask 022; \ + rval=0; \ + ./check_parse_json $(TEST_VERBOSE) $(srcdir)/regress/parse_json/*.in || rval=`expr $$rval + $$?`; \ + ./store_json_test $(TEST_VERBOSE) $(srcdir)/regress/eventlog_store/*.json.in || rval=`expr $$rval + $$?`; \ + ./store_sudo_test $(TEST_VERBOSE) $(srcdir)/regress/eventlog_store/*.json.in || rval=`expr $$rval + $$?`; \ + mkdir -p regress/logwrap; \ + ./check_wrap $(TEST_VERBOSE) $(srcdir)/regress/logwrap/check_wrap.in > regress/logwrap/check_wrap.out; \ + diff regress/logwrap/check_wrap.out $(srcdir)/regress/logwrap/check_wrap.out.ok || rval=`expr $$rval + $$?`; \ + exit $$rval; \ + fi + +check-verbose: + exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v FUZZ_VERBOSE=-verbosity=1 check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la $(TEST_PROGS) + -rm -f *.i *.plog stamp-* core *.core core.* regress/*/*.out + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +check_parse_json.lo: $(srcdir)/regress/parse_json/check_parse_json.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(srcdir)/parse_json.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/parse_json/check_parse_json.c +check_parse_json.i: $(srcdir)/regress/parse_json/check_parse_json.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(srcdir)/parse_json.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_parse_json.plog: check_parse_json.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/parse_json/check_parse_json.c --i-file $< --output-file $@ +check_wrap.lo: $(srcdir)/regress/logwrap/check_wrap.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/logwrap/check_wrap.c +check_wrap.i: $(srcdir)/regress/logwrap/check_wrap.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_wrap.plog: check_wrap.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/logwrap/check_wrap.c --i-file $< --output-file $@ +eventlog.lo: $(srcdir)/eventlog.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_lbuf.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h $(top_builddir)/pathnames.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/eventlog.c +eventlog.i: $(srcdir)/eventlog.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_lbuf.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h $(top_builddir)/pathnames.h + $(CC) -E -o $@ $(CPPFLAGS) $< +eventlog.plog: eventlog.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/eventlog.c --i-file $< --output-file $@ +eventlog_conf.lo: $(srcdir)/eventlog_conf.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h \ + $(top_builddir)/pathnames.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/eventlog_conf.c +eventlog_conf.i: $(srcdir)/eventlog_conf.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h \ + $(top_builddir)/pathnames.h + $(CC) -E -o $@ $(CPPFLAGS) $< +eventlog_conf.plog: eventlog_conf.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/eventlog_conf.c --i-file $< --output-file $@ +eventlog_free.lo: $(srcdir)/eventlog_free.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/eventlog_free.c +eventlog_free.i: $(srcdir)/eventlog_free.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +eventlog_free.plog: eventlog_free.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/eventlog_free.c --i-file $< --output-file $@ +logwrap.lo: $(srcdir)/logwrap.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/logwrap.c +logwrap.i: $(srcdir)/logwrap.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +logwrap.plog: logwrap.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/logwrap.c --i-file $< --output-file $@ +parse_json.lo: $(srcdir)/parse_json.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(srcdir)/parse_json.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/parse_json.c +parse_json.i: $(srcdir)/parse_json.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_json.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(srcdir)/parse_json.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +parse_json.plog: parse_json.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/parse_json.c --i-file $< --output-file $@ +store_json_test.lo: $(srcdir)/regress/eventlog_store/store_json_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(srcdir)/parse_json.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/eventlog_store/store_json_test.c +store_json_test.i: $(srcdir)/regress/eventlog_store/store_json_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(srcdir)/parse_json.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +store_json_test.plog: store_json_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/eventlog_store/store_json_test.c --i-file $< --output-file $@ +store_sudo_test.lo: $(srcdir)/regress/eventlog_store/store_sudo_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_lbuf.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/eventlog_store/store_sudo_test.c +store_sudo_test.i: $(srcdir)/regress/eventlog_store/store_sudo_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_lbuf.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +store_sudo_test.plog: store_sudo_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/eventlog_store/store_sudo_test.c --i-file $< --output-file $@ diff --git a/lib/eventlog/eventlog.c b/lib/eventlog/eventlog.c new file mode 100644 index 0000000..ab27227 --- /dev/null +++ b/lib/eventlog/eventlog.c @@ -0,0 +1,1462 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1994-1996, 1998-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <netinet/in.h> + +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <grp.h> +#include <locale.h> +#include <pwd.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <time.h> +#include <unistd.h> + +#include <pathnames.h> +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_lbuf.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_json.h> +#include <sudo_queue.h> +#include <sudo_util.h> + +#define IS_SESSID(s) ( \ + isalnum((unsigned char)(s)[0]) && isalnum((unsigned char)(s)[1]) && \ + (s)[2] == '/' && \ + isalnum((unsigned char)(s)[3]) && isalnum((unsigned char)(s)[4]) && \ + (s)[5] == '/' && \ + isalnum((unsigned char)(s)[6]) && isalnum((unsigned char)(s)[7]) && \ + (s)[8] == '\0') + +struct eventlog_args { + const char *reason; + const char *errstr; + const struct timespec *event_time; + eventlog_json_callback_t json_info_cb; + void *json_info; +}; + +/* + * Allocate and fill in a new logline. + */ +static bool +new_logline(int event_type, int flags, struct eventlog_args *args, + const struct eventlog *evlog, struct sudo_lbuf *lbuf) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const char *iolog_file; + const char *tty, *tsid = NULL; + char exit_str[STRLEN_MAX_SIGNED(int) + 1]; + char sessid[7], offsetstr[64] = ""; + size_t i; + debug_decl(new_logline, SUDO_DEBUG_UTIL); + + if (ISSET(flags, EVLOG_RAW) || evlog == NULL) { + if (args->reason != NULL) { + if (args->errstr != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "%s: %s", + args->reason, args->errstr); + } else { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "%s", args->reason); + } + if (sudo_lbuf_error(lbuf)) + goto oom; + } + debug_return_bool(true); + } + + /* A TSID may be a sudoers-style session ID or a free-form string. */ + iolog_file = evlog->iolog_file; + if (iolog_file != NULL) { + if (IS_SESSID(iolog_file)) { + sessid[0] = iolog_file[0]; + sessid[1] = iolog_file[1]; + sessid[2] = iolog_file[3]; + sessid[3] = iolog_file[4]; + sessid[4] = iolog_file[6]; + sessid[5] = iolog_file[7]; + sessid[6] = '\0'; + tsid = sessid; + } else { + tsid = iolog_file; + } + if (sudo_timespecisset(&evlog->iolog_offset)) { + /* Only write up to two significant digits for the decimal part. */ + if (evlog->iolog_offset.tv_nsec > 10000000) { + (void)snprintf(offsetstr, sizeof(offsetstr), "@%lld.%02ld", + (long long)evlog->iolog_offset.tv_sec, + evlog->iolog_offset.tv_nsec / 10000000); + } else if (evlog->iolog_offset.tv_sec != 0) { + (void)snprintf(offsetstr, sizeof(offsetstr), "@%lld", + (long long)evlog->iolog_offset.tv_sec); + } + } + } + + /* Sudo-format logs use the short form of the ttyname. */ + if ((tty = evlog->ttyname) != NULL) { + if (strncmp(tty, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) + tty += sizeof(_PATH_DEV) - 1; + } + + /* + * Format the log line as an lbuf, escaping control characters in + * octal form (#0nn). Error checking (ENOMEM) is done at the end. + */ + if (args->reason != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "%s%s", args->reason, + args->errstr ? " : " : " ; "); + } + if (args->errstr != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "%s ; ", args->errstr); + } + if (evlog->submithost != NULL && !evl_conf->omit_hostname) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "HOST=%s ; ", + evlog->submithost); + } + if (tty != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "TTY=%s ; ", tty); + } + if (evlog->runchroot != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "CHROOT=%s ; ", + evlog->runchroot); + } + if (evlog->runcwd != NULL || evlog->cwd != NULL) { + if (ISSET(flags, EVLOG_CWD)) { + /* For sudoreplay -l output format. */ + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "CWD=%s ; ", + evlog->runcwd ? evlog->runcwd : evlog->cwd); + } else if (evlog->runcwd != NULL) { + /* For backwards compatibility with sudo log format. */ + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "PWD=%s ; ", + evlog->runcwd); + } + } + if (evlog->runuser != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "USER=%s ; ", + evlog->runuser); + } + if (evlog->rungroup != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "GROUP=%s ; ", + evlog->rungroup); + } + if (tsid != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "TSID=%s%s ; ", tsid, + offsetstr); + } + if (evlog->env_add != NULL && evlog->env_add[0] != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "ENV=%s", + evlog->env_add[0]); + for (i = 1; evlog->env_add[i] != NULL; i++) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, " %s", + evlog->env_add[i]); + } + sudo_lbuf_append(lbuf, " ; "); + } + if (evlog->command != NULL && evlog->runargv != NULL) { + /* Command plus argv. */ + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL|LBUF_ESC_BLANK, + "COMMAND=%s", evlog->command); + if (evlog->runargv[0] != NULL) { + for (i = 1; evlog->runargv[i] != NULL; i++) { + sudo_lbuf_append(lbuf, " "); + if (strchr(evlog->runargv[i], ' ') != NULL) { + /* Wrap args containing spaces in single quotes. */ + sudo_lbuf_append(lbuf, "'"); + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL|LBUF_ESC_QUOTE, + "%s", evlog->runargv[i]); + sudo_lbuf_append(lbuf, "'"); + } else { + /* Escape quotes here too for consistency. */ + sudo_lbuf_append_esc(lbuf, + LBUF_ESC_CNTRL|LBUF_ESC_BLANK|LBUF_ESC_QUOTE, + "%s", evlog->runargv[i]); + } + } + } + if (event_type == EVLOG_EXIT) { + if (evlog->signal_name != NULL) { + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, " ; SIGNAL=%s", + evlog->signal_name); + } + if (evlog->exit_value != -1) { + (void)snprintf(exit_str, sizeof(exit_str), "%d", + evlog->exit_value); + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, " ; EXIT=%s", + exit_str); + } + } + } else if (evlog->command != NULL) { + /* Just the command, no argv. */ + sudo_lbuf_append_esc(lbuf, LBUF_ESC_CNTRL, "COMMAND=%s", + evlog->command); + } + + if (!sudo_lbuf_error(lbuf)) + debug_return_bool(true); +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_bool(false); +} + +bool +eventlog_store_sudo(int event_type, const struct eventlog *evlog, + struct sudo_lbuf *lbuf) +{ + struct eventlog_args args = { NULL }; + + return new_logline(event_type, EVLOG_CWD, &args, evlog, lbuf); +} + +static void +closefrom_nodebug(int lowfd) +{ + unsigned char *debug_fds; + int fd, startfd; + debug_decl(closefrom_nodebug, SUDO_DEBUG_UTIL); + + startfd = sudo_debug_get_fds(&debug_fds) + 1; + if (lowfd > startfd) + startfd = lowfd; + + /* Close fds higher than the debug fds. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "closing fds >= %d", startfd); + closefrom(startfd); + + /* Close fds [lowfd, startfd) that are not in debug_fds. */ + for (fd = lowfd; fd < startfd; fd++) { + if (sudo_isset(debug_fds, fd)) + continue; + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "closing fd %d", fd); +#ifdef __APPLE__ + /* Avoid potential libdispatch crash when we close its fds. */ + (void) fcntl(fd, F_SETFD, FD_CLOEXEC); +#else + (void) close(fd); +#endif + } + debug_return; +} + +#define MAX_MAILFLAGS 63 + +sudo_noreturn static void +exec_mailer(int pipein) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + char *last, *mflags, *p, *argv[MAX_MAILFLAGS + 1]; + const char *mpath = evl_conf->mailerpath; + size_t i; + const char * const root_envp[] = { + "HOME=/", + "PATH=/usr/bin:/bin:/usr/sbin:/sbin", + "LOGNAME=root", + "USER=root", +# ifdef _AIX + "LOGIN=root", +# endif + NULL + }; + debug_decl(exec_mailer, SUDO_DEBUG_UTIL); + + /* Set stdin to read side of the pipe. */ + if (dup3(pipein, STDIN_FILENO, 0) == -1) { + syslog(LOG_ERR, _("unable to dup stdin: %m")); // -V618 + sudo_debug_printf(SUDO_DEBUG_ERROR, + "unable to dup stdin: %s", strerror(errno)); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(127); + } + + /* Build up an argv based on the mailer path and flags */ + if ((mflags = strdup(evl_conf->mailerflags)) == NULL) { + syslog(LOG_ERR, _("unable to allocate memory")); // -V618 + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(127); + } + argv[0] = sudo_basename(mpath); + + i = 1; + for (p = strtok_r(mflags, " \t", &last); p != NULL; + p = strtok_r(NULL, " \t", &last)) { + if (i < MAX_MAILFLAGS) + argv[i++] = p; + } + argv[i] = NULL; + + /* + * Depending on the config, either run the mailer as root + * (so user cannot kill it) or as the user (for the paranoid). + */ + if (setuid(ROOT_UID) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to change uid to %u", + ROOT_UID); + } + if (evl_conf->mailuid != ROOT_UID) { + if (setuid(evl_conf->mailuid) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to change uid to %u", + (unsigned int)evl_conf->mailuid); + } + } + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + if (evl_conf->mailuid == ROOT_UID) + execve(mpath, argv, (char **)root_envp); + else + execv(mpath, argv); + syslog(LOG_ERR, _("unable to execute %s: %m"), mpath); // -V618 + sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to execute %s: %s", + mpath, strerror(errno)); + _exit(127); +} + +/* Send a message to the mailto user */ +static bool +send_mail(const struct eventlog *evlog, const char *message) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const char *cp, *timefmt = evl_conf->time_fmt; + struct sigaction sa; + char timebuf[1024]; + sigset_t chldmask; + struct tm tm; + time_t now; + FILE *mail; + int fd, pfd[2], status; + size_t len; + pid_t pid, rv; + struct stat sb; +#if defined(HAVE_NL_LANGINFO) && defined(CODESET) + char *locale; +#endif + debug_decl(send_mail, SUDO_DEBUG_UTIL); + + /* If mailer is disabled just return. */ + if (evl_conf->mailerpath == NULL || evl_conf->mailto == NULL) + debug_return_bool(true); + + /* Make sure the mailer exists and is a regular file. */ + if (stat(evl_conf->mailerpath, &sb) != 0 || !S_ISREG(sb.st_mode)) + debug_return_bool(false); + + time(&now); + if (localtime_r(&now, &tm) == NULL) + debug_return_bool(false); + + /* Block SIGCHLD for the duration since we call waitpid() below. */ + sigemptyset(&chldmask); + sigaddset(&chldmask, SIGCHLD); + (void)sigprocmask(SIG_BLOCK, &chldmask, NULL); + + /* Fork and return, child will daemonize. */ + switch (pid = sudo_debug_fork()) { + case -1: + /* Error. */ + sudo_warn("%s", U_("unable to fork")); + + /* Unblock SIGCHLD and return. */ + (void)sigprocmask(SIG_UNBLOCK, &chldmask, NULL); + debug_return_bool(false); + case 0: + /* Child. */ + switch (fork()) { + case -1: + /* Error. */ + syslog(LOG_ERR, _("unable to fork: %m")); // -V618 + sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to fork: %s", + strerror(errno)); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(EXIT_FAILURE); + /* NOTREACHED */ + case 0: + /* Grandchild continues below. */ + sudo_debug_enter(__func__, __FILE__, __LINE__, sudo_debug_subsys); + break; + default: + /* Parent will wait for us. */ + _exit(EXIT_SUCCESS); + /* NOTREACHED */ + } + break; + default: + /* Parent. */ + for (;;) { + rv = waitpid(pid, &status, 0); + if (rv == -1 && errno != EINTR) + break; + if (rv != -1 && !WIFSTOPPED(status)) + break; + } + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "child (%d) exit value %d", (int)rv, status); + + /* Unblock SIGCHLD and return. */ + (void)sigprocmask(SIG_UNBLOCK, &chldmask, NULL); + debug_return_bool(true); + } + + /* Reset SIGCHLD to default and unblock it. */ + memset(&sa, 0, sizeof(sa)); + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sa.sa_handler = SIG_DFL; + (void)sigaction(SIGCHLD, &sa, NULL); + (void)sigprocmask(SIG_UNBLOCK, &chldmask, NULL); + + /* Daemonize - disassociate from session/tty. */ + if (setsid() == -1) + sudo_warn("setsid"); + if (chdir("/") == -1) + sudo_warn("chdir(/)"); + fd = open(_PATH_DEVNULL, O_RDWR, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + if (fd != -1) { + (void) dup2(fd, STDIN_FILENO); + (void) dup2(fd, STDOUT_FILENO); + (void) dup2(fd, STDERR_FILENO); + } + + /* Close non-debug fds so we don't leak anything. */ + closefrom_nodebug(STDERR_FILENO + 1); + + if (pipe2(pfd, O_CLOEXEC) == -1) { + syslog(LOG_ERR, _("unable to open pipe: %m")); // -V618 + sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to open pipe: %s", + strerror(errno)); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(EXIT_FAILURE); + } + + switch (pid = sudo_debug_fork()) { + case -1: + /* Error. */ + syslog(LOG_ERR, _("unable to fork: %m")); // -V618 + sudo_debug_printf( + SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to fork"); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(EXIT_FAILURE); + /* NOTREACHED */ + case 0: + /* Child. */ + exec_mailer(pfd[0]); + /* NOTREACHED */ + } + + (void) close(pfd[0]); + if ((mail = fdopen(pfd[1], "w")) == NULL) { + syslog(LOG_ERR, "fdopen: %m"); + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to fdopen pipe"); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(EXIT_FAILURE); + } + + /* Pipes are all setup, send message. */ + (void) fprintf(mail, "To: %s\nFrom: %s\nAuto-Submitted: %s\nSubject: ", + evl_conf->mailto, + evl_conf->mailfrom ? evl_conf->mailfrom : + (evlog ? evlog->submituser : "root"), + "auto-generated"); + for (cp = _(evl_conf->mailsub); *cp; cp++) { + /* Expand escapes in the subject */ + if (*cp == '%' && *(cp+1) != '%') { + switch (*(++cp)) { + case 'h': + if (evlog != NULL) + (void) fputs(evlog->submithost, mail); + break; + case 'u': + if (evlog != NULL) + (void) fputs(evlog->submituser, mail); + break; + default: + cp--; + break; + } + } else + (void) fputc(*cp, mail); + } + +#if defined(HAVE_NL_LANGINFO) && defined(CODESET) + locale = setlocale(LC_ALL, NULL); + if (locale[0] != 'C' || locale[1] != '\0') + (void) fprintf(mail, "\nContent-Type: text/plain; charset=\"%s\"\nContent-Transfer-Encoding: 8bit", nl_langinfo(CODESET)); +#endif /* HAVE_NL_LANGINFO && CODESET */ + + timebuf[sizeof(timebuf) - 1] = '\0'; + len = strftime(timebuf, sizeof(timebuf), timefmt, &tm); + if (len == 0 || timebuf[sizeof(timebuf) - 1] != '\0') { + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_ERROR, + "strftime() failed to format time: %s", timefmt); + /* Fall back to default time format string. */ + timebuf[sizeof(timebuf) - 1] = '\0'; + len = strftime(timebuf, sizeof(timebuf), "%h %e %T", &tm); + if (len == 0 || timebuf[sizeof(timebuf) - 1] != '\0') { + timebuf[0] = '\0'; /* give up */ + } + } + if (evlog != NULL) { + (void) fprintf(mail, "\n\n%s : %s : %s : ", evlog->submithost, timebuf, + evlog->submituser); + } else { + (void) fprintf(mail, "\n\n%s : ", timebuf); + } + fputs(message, mail); + fputs("\n\n", mail); + + fclose(mail); + for (;;) { + rv = waitpid(pid, &status, 0); + if (rv == -1 && errno != EINTR) + break; + if (rv != -1 && !WIFSTOPPED(status)) + break; + } + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "child (%d) exit value %d", (int)rv, status); + sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys); + _exit(EXIT_SUCCESS); +} + +static bool +json_add_timestamp(struct json_container *jsonc, const char *name, + const struct timespec *ts, bool format_timestamp) +{ + struct json_value json_value; + size_t len; + debug_decl(json_add_timestamp, SUDO_DEBUG_PLUGIN); + + if (!sudo_json_open_object(jsonc, name)) + goto oom; + + json_value.type = JSON_NUMBER; + json_value.u.number = ts->tv_sec; + if (!sudo_json_add_value(jsonc, "seconds", &json_value)) + goto oom; + + json_value.type = JSON_NUMBER; + json_value.u.number = ts->tv_nsec; + if (!sudo_json_add_value(jsonc, "nanoseconds", &json_value)) + goto oom; + + if (format_timestamp) { + const struct eventlog_config *evl_conf = eventlog_getconf(); + const char *timefmt = evl_conf->time_fmt; + time_t secs = ts->tv_sec; + char timebuf[1024]; + struct tm tm; + + if (gmtime_r(&secs, &tm) != NULL) { + timebuf[sizeof(timebuf) - 1] = '\0'; + len = strftime(timebuf, sizeof(timebuf), "%Y%m%d%H%M%SZ", &tm); + if (len != 0 && timebuf[sizeof(timebuf) - 1] == '\0') { + json_value.type = JSON_STRING; + json_value.u.string = timebuf; // -V507 + if (!sudo_json_add_value(jsonc, "iso8601", &json_value)) + goto oom; + } + } + + if (localtime_r(&secs, &tm) != NULL) { + timebuf[sizeof(timebuf) - 1] = '\0'; + len = strftime(timebuf, sizeof(timebuf), timefmt, &tm); + if (len != 0 && timebuf[sizeof(timebuf) - 1] == '\0') { + json_value.type = JSON_STRING; + json_value.u.string = timebuf; // -V507 + if (!sudo_json_add_value(jsonc, "localtime", &json_value)) + goto oom; + } + } + } + + if (!sudo_json_close_object(jsonc)) + goto oom; + + debug_return_bool(true); +oom: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "%s: %s", __func__, "unable to allocate memory"); + debug_return_bool(false); +} + +/* + * Store the contents of struct eventlog as JSON. + * The submit_time and iolog_path members are not stored, they should + * be stored and formatted by the caller. + */ +bool +eventlog_store_json(struct json_container *jsonc, const struct eventlog *evlog) +{ + struct json_value json_value; + size_t i; + char *cp; + debug_decl(eventlog_store_json, SUDO_DEBUG_UTIL); + + /* Required settings. */ + if (evlog == NULL || evlog->submituser == NULL) + debug_return_bool(false); + + /* + * The most important values are written first in case + * the log record gets truncated. + * Note: submit_time and iolog_path are not stored here. + */ + + json_value.type = JSON_STRING; + json_value.u.string = evlog->submituser; + if (!sudo_json_add_value(jsonc, "submituser", &json_value)) + goto oom; + + if (evlog->command != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->command; + if (!sudo_json_add_value(jsonc, "command", &json_value)) + goto oom; + } + + if (evlog->runuser != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->runuser; + if (!sudo_json_add_value(jsonc, "runuser", &json_value)) + goto oom; + } + + if (evlog->rungroup != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->rungroup; + if (!sudo_json_add_value(jsonc, "rungroup", &json_value)) + goto oom; + } + + if (evlog->runchroot != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->runchroot; + if (!sudo_json_add_value(jsonc, "runchroot", &json_value)) + goto oom; + } + + if (evlog->runcwd != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->runcwd; + if (!sudo_json_add_value(jsonc, "runcwd", &json_value)) + goto oom; + } + + if (evlog->source != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->source; + if (!sudo_json_add_value(jsonc, "source", &json_value)) + goto oom; + } + + if (evlog->ttyname != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->ttyname; + if (!sudo_json_add_value(jsonc, "ttyname", &json_value)) + goto oom; + } + + if (evlog->submithost != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->submithost; + if (!sudo_json_add_value(jsonc, "submithost", &json_value)) + goto oom; + } + + if (evlog->cwd != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->cwd; + if (!sudo_json_add_value(jsonc, "submitcwd", &json_value)) + goto oom; + } + + if (evlog->rungroup!= NULL && evlog->rungid != (gid_t)-1) { + json_value.type = JSON_ID; + json_value.u.id = evlog->rungid; + if (!sudo_json_add_value(jsonc, "rungid", &json_value)) + goto oom; + } + + if (evlog->runuid != (uid_t)-1) { + json_value.type = JSON_ID; + json_value.u.id = evlog->runuid; + if (!sudo_json_add_value(jsonc, "runuid", &json_value)) + goto oom; + } + + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->columns; + if (!sudo_json_add_value(jsonc, "columns", &json_value)) + goto oom; + + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->lines; + if (!sudo_json_add_value(jsonc, "lines", &json_value)) + goto oom; + + if (evlog->runargv != NULL) { + if (!sudo_json_open_array(jsonc, "runargv")) + goto oom; + for (i = 0; (cp = evlog->runargv[i]) != NULL; i++) { + json_value.type = JSON_STRING; + json_value.u.string = cp; + if (!sudo_json_add_value(jsonc, NULL, &json_value)) + goto oom; + } + if (!sudo_json_close_array(jsonc)) + goto oom; + } + + if (evlog->runenv != NULL) { + if (!sudo_json_open_array(jsonc, "runenv")) + goto oom; + for (i = 0; (cp = evlog->runenv[i]) != NULL; i++) { + json_value.type = JSON_STRING; + json_value.u.string = cp; + if (!sudo_json_add_value(jsonc, NULL, &json_value)) + goto oom; + } + if (!sudo_json_close_array(jsonc)) + goto oom; + } + + if (evlog->submitenv != NULL) { + if (!sudo_json_open_array(jsonc, "submitenv")) + goto oom; + for (i = 0; (cp = evlog->submitenv[i]) != NULL; i++) { + json_value.type = JSON_STRING; + json_value.u.string = cp; + if (!sudo_json_add_value(jsonc, NULL, &json_value)) + goto oom; + } + if (!sudo_json_close_array(jsonc)) + goto oom; + } + + debug_return_bool(true); + +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_bool(false); +} + +static bool +default_json_cb(struct json_container *jsonc, void *v) +{ + return eventlog_store_json(jsonc, v); +} + +static char * +format_json(int event_type, struct eventlog_args *args, + const struct eventlog *evlog, bool compact) +{ + eventlog_json_callback_t info_cb = args->json_info_cb; + void *info = args->json_info; + struct json_container jsonc = { 0 }; + struct json_value json_value; + const char *time_str, *type_str; + struct timespec now; + debug_decl(format_json, SUDO_DEBUG_UTIL); + + if (info_cb == NULL) { + info_cb = default_json_cb; + info = (void *)evlog; + } + + if (sudo_gettime_real(&now) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to read the clock"); + debug_return_str(NULL); + } + + switch (event_type) { + case EVLOG_ACCEPT: + type_str = "accept"; + time_str = "submit_time"; + break; + case EVLOG_REJECT: + type_str = "reject"; + time_str = "submit_time"; + break; + case EVLOG_ALERT: + type_str = "alert"; + time_str = "alert_time"; + break; + case EVLOG_EXIT: + type_str = "exit"; + time_str = "exit_time"; + break; + default: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unexpected event type %d", event_type); + debug_return_str(NULL); + } + + if (!sudo_json_init(&jsonc, 4, compact, false, false)) + goto bad; + if (!sudo_json_open_object(&jsonc, type_str)) + goto bad; + + if (evlog != NULL && evlog->uuid_str[0] != '\0') { + json_value.type = JSON_STRING; + json_value.u.string = evlog->uuid_str; + if (!sudo_json_add_value(&jsonc, "uuid", &json_value)) + goto bad; + } + + /* Reject and Alert events include a reason and optional error string. */ + if (args->reason != NULL) { + char *ereason = NULL; + + if (args->errstr != NULL) { + const int len = asprintf(&ereason, _("%s: %s"), args->reason, + args->errstr); + if (len == -1) { + sudo_warnx(U_("%s: %s"), __func__, + U_("unable to allocate memory")); + goto bad; + } + } + json_value.type = JSON_STRING; + json_value.u.string = ereason ? ereason : args->reason; + if (!sudo_json_add_value(&jsonc, "reason", &json_value)) { + free(ereason); + goto bad; + } + free(ereason); + } + + /* Log event time on server (set earlier) */ + if (!json_add_timestamp(&jsonc, "server_time", &now, true)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable format timestamp"); + goto bad; + } + + /* Log event time from client */ + if (args->event_time != NULL) { + if (!json_add_timestamp(&jsonc, time_str, args->event_time, true)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable format timestamp"); + goto bad; + } + } + + if (event_type == EVLOG_EXIT && evlog != NULL) { + /* Exit events don't need evlog details if there is a UUID. */ + if (evlog->uuid_str[0] != '\0') { + if (args->json_info == NULL) + info = NULL; + } + + if (sudo_timespecisset(&evlog->run_time)) { + if (!json_add_timestamp(&jsonc, "run_time", &evlog->run_time, false)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable format timestamp"); + goto bad; + } + } + if (evlog->signal_name != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->signal_name; + if (!sudo_json_add_value(&jsonc, "signal", &json_value)) + goto bad; + + json_value.type = JSON_BOOL; + json_value.u.boolean = evlog->dumped_core; + if (!sudo_json_add_value(&jsonc, "dumped_core", &json_value)) + goto bad; + } + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->exit_value; + if (!sudo_json_add_value(&jsonc, "exit_value", &json_value)) + goto bad; + } + + /* Event log info may be missing for alert messages. */ + if (evlog != NULL) { + if (evlog->peeraddr != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->peeraddr; + if (!sudo_json_add_value(&jsonc, "peeraddr", &json_value)) + goto bad; + } + + if (evlog->iolog_path != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->iolog_path; + if (!sudo_json_add_value(&jsonc, "iolog_path", &json_value)) + goto bad; + + if (sudo_timespecisset(&evlog->iolog_offset)) { + if (!json_add_timestamp(&jsonc, "iolog_offset", &evlog->iolog_offset, false)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable format timestamp"); + goto bad; + } + } + } + + if (event_type == EVLOG_EXIT) { + /* Exit events don't need evlog details if there is a UUID. */ + if (evlog->uuid_str[0] != '\0') { + if (args->json_info == NULL) + info = NULL; + } + + if (sudo_timespecisset(&evlog->run_time)) { + if (!json_add_timestamp(&jsonc, "run_time", &evlog->run_time, + false)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable format timestamp"); + goto bad; + } + } + if (evlog->signal_name != NULL) { + json_value.type = JSON_STRING; + json_value.u.string = evlog->signal_name; + if (!sudo_json_add_value(&jsonc, "signal", &json_value)) + goto bad; + + json_value.type = JSON_BOOL; + json_value.u.boolean = evlog->dumped_core; + if (!sudo_json_add_value(&jsonc, "dumped_core", &json_value)) + goto bad; + } + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->exit_value; + if (!sudo_json_add_value(&jsonc, "exit_value", &json_value)) + goto bad; + } + } + + /* Write log info. */ + if (info != NULL) { + if (!info_cb(&jsonc, info)) + goto bad; + } + + if (!sudo_json_close_object(&jsonc)) + goto bad; + + /* Caller is responsible for freeing the buffer. */ + debug_return_str(sudo_json_get_buf(&jsonc)); + +bad: + sudo_json_free(&jsonc); + debug_return_str(NULL); +} + +/* + * Log a message to syslog, prepending the username and splitting the + * message into parts if it is longer than syslog_maxlen. + */ +static bool +do_syslog_sudo(int pri, char *logline, const struct eventlog *evlog) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + size_t len, maxlen; + char *p, *tmp, save; + const char *fmt; + debug_decl(do_syslog_sudo, SUDO_DEBUG_UTIL); + + evl_conf->open_log(EVLOG_SYSLOG, NULL); + + if (evlog == NULL) { + /* Not a command, just log it as-is. */ + syslog(pri, "%s", logline); + goto done; + } + + /* + * Log the full line, breaking into multiple syslog(3) calls if necessary + */ + fmt = _("%8s : %s"); + maxlen = evl_conf->syslog_maxlen - + (strlen(fmt) - 5 + strlen(evlog->submituser)); + for (p = logline; *p != '\0'; ) { + len = strlen(p); + if (len > maxlen) { + /* + * Break up the line into what will fit on one syslog(3) line + * Try to avoid breaking words into several lines if possible. + */ + tmp = memrchr(p, ' ', maxlen); + if (tmp == NULL) + tmp = p + maxlen; + + /* NULL terminate line, but save the char to restore later */ + save = *tmp; + *tmp = '\0'; + + syslog(pri, fmt, evlog->submituser, p); + + *tmp = save; /* restore saved character */ + + /* Advance p and eliminate leading whitespace */ + for (p = tmp; *p == ' '; p++) + continue; + } else { + syslog(pri, fmt, evlog->submituser, p); + p += len; + } + fmt = _("%8s : (command continued) %s"); + maxlen = evl_conf->syslog_maxlen - + (strlen(fmt) - 5 + strlen(evlog->submituser)); + } +done: + evl_conf->close_log(EVLOG_SYSLOG, NULL); + + debug_return_bool(true); +} + +static bool +do_syslog_json(int pri, int event_type, struct eventlog_args *args, + const struct eventlog *evlog) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + char *json_str; + debug_decl(do_syslog_json, SUDO_DEBUG_UTIL); + + /* Format as a compact JSON message (no newlines) */ + json_str = format_json(event_type, args, evlog, true); + if (json_str == NULL) + debug_return_bool(false); + + /* Syslog it in a sudo object with a @cee: prefix. */ + /* TODO: use evl_conf->syslog_maxlen to break up long messages. */ + evl_conf->open_log(EVLOG_SYSLOG, NULL); + syslog(pri, "@cee:{\"sudo\":{%s}}", json_str); + evl_conf->close_log(EVLOG_SYSLOG, NULL); + free(json_str); + debug_return_bool(true); +} + +/* + * Log a message to syslog in either sudo or JSON format. + */ +static bool +do_syslog(int event_type, int flags, struct eventlog_args *args, + const struct eventlog *evlog) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + struct sudo_lbuf lbuf; + bool ret = false; + int pri; + debug_decl(do_syslog, SUDO_DEBUG_UTIL); + + sudo_lbuf_init(&lbuf, NULL, 0, NULL, 0); + + /* Sudo format logs and mailed logs use the same log line format. */ + if (evl_conf->format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) { + if (!new_logline(event_type, flags, args, evlog, &lbuf)) + goto done; + + if (ISSET(flags, EVLOG_MAIL)) { + if (!send_mail(evlog, lbuf.buf)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to mail log line"); + } + if (ISSET(flags, EVLOG_MAIL_ONLY)) { + ret = true; + goto done; + } + } + } + + switch (event_type) { + case EVLOG_ACCEPT: + case EVLOG_EXIT: + pri = evl_conf->syslog_acceptpri; + break; + case EVLOG_REJECT: + pri = evl_conf->syslog_rejectpri; + break; + case EVLOG_ALERT: + pri = evl_conf->syslog_alertpri; + break; + default: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unexpected event type %d", event_type); + pri = -1; + break; + } + if (pri == -1) { + /* syslog disabled for this message type */ + ret = true; + goto done; + } + + switch (evl_conf->format) { + case EVLOG_SUDO: + ret = do_syslog_sudo(pri, lbuf.buf, evlog); + break; + case EVLOG_JSON: + ret = do_syslog_json(pri, event_type, args, evlog); + break; + default: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unexpected eventlog format %d", evl_conf->format); + break; + } +done: + sudo_lbuf_destroy(&lbuf); + debug_return_bool(ret); +} + +static bool +do_logfile_sudo(const char *logline, const struct eventlog *evlog, + const struct timespec *event_time) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + char *full_line, timebuf[8192], *timestr = NULL; + const char *timefmt = evl_conf->time_fmt; + const char *logfile = evl_conf->logpath; + struct tm tm; + bool ret = false; + FILE *fp; + int len; + debug_decl(do_logfile_sudo, SUDO_DEBUG_UTIL); + + if ((fp = evl_conf->open_log(EVLOG_FILE, logfile)) == NULL) + debug_return_bool(false); + + if (!sudo_lock_file(fileno(fp), SUDO_LOCK)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to lock log file %s", logfile); + goto done; + } + + if (event_time != NULL) { + time_t tv_sec = event_time->tv_sec; + if (localtime_r(&tv_sec, &tm) != NULL) { + /* strftime() does not guarantee to NUL-terminate so we must check. */ + timebuf[sizeof(timebuf) - 1] = '\0'; + if (strftime(timebuf, sizeof(timebuf), timefmt, &tm) != 0 && + timebuf[sizeof(timebuf) - 1] == '\0') { + timestr = timebuf; + } + } + } + if (evlog != NULL) { + len = asprintf(&full_line, "%s : %s : %s", + timestr ? timestr : "invalid date", evlog->submituser, logline); + } else { + len = asprintf(&full_line, "%s : %s", + timestr ? timestr : "invalid date", logline); + } + if (len == -1) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + eventlog_writeln(fp, full_line, (size_t)len, evl_conf->file_maxlen); + free(full_line); + (void)fflush(fp); + if (ferror(fp)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to write log file %s", logfile); + goto done; + } + ret = true; + +done: + (void)sudo_lock_file(fileno(fp), SUDO_UNLOCK); + evl_conf->close_log(EVLOG_FILE, fp); + debug_return_bool(ret); +} + +static bool +do_logfile_json(int event_type, struct eventlog_args *args, + const struct eventlog *evlog) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const char *logfile = evl_conf->logpath; + struct stat sb; + char *json_str; + int ret = false; + FILE *fp; + debug_decl(do_logfile_json, SUDO_DEBUG_UTIL); + + if ((fp = evl_conf->open_log(EVLOG_FILE, logfile)) == NULL) + debug_return_bool(false); + + json_str = format_json(event_type, args, evlog, false); + if (json_str == NULL) + goto done; + + if (!sudo_lock_file(fileno(fp), SUDO_LOCK)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to lock log file %s", logfile); + goto done; + } + + /* Note: assumes file ends in "\n}\n" */ + if (fstat(fileno(fp), &sb) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "unable to stat %s", logfile); + goto done; + } + if (sb.st_size == 0) { + /* New file */ + putc('{', fp); + } else if (fseeko(fp, -3, SEEK_END) == 0) { + /* Continue file, overwrite the final "\n}\n" */ + putc(',', fp); + } else { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "unable to seek %s", logfile); + goto done; + } + fputs(json_str, fp); + fputs("\n}\n", fp); /* close JSON */ + fflush(fp); + /* XXX - check for file error and recover */ + + ret = true; + +done: + free(json_str); + (void)sudo_lock_file(fileno(fp), SUDO_UNLOCK); + evl_conf->close_log(EVLOG_FILE, fp); + debug_return_bool(ret); +} + +static bool +do_logfile(int event_type, int flags, struct eventlog_args *args, + const struct eventlog *evlog) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + struct sudo_lbuf lbuf; + bool ret = false; + debug_decl(do_logfile, SUDO_DEBUG_UTIL); + + sudo_lbuf_init(&lbuf, NULL, 0, NULL, 0); + + /* Sudo format logs and mailed logs use the same log line format. */ + if (evl_conf->format == EVLOG_SUDO || ISSET(flags, EVLOG_MAIL)) { + if (!new_logline(event_type, flags, args, evlog, &lbuf)) + goto done; + + if (ISSET(flags, EVLOG_MAIL)) { + if (!send_mail(evlog, lbuf.buf)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to mail log line"); + } + if (ISSET(flags, EVLOG_MAIL_ONLY)) { + ret = true; + goto done; + } + } + } + + switch (evl_conf->format) { + case EVLOG_SUDO: + ret = do_logfile_sudo(lbuf.buf ? lbuf.buf : args->reason, evlog, + args->event_time); + break; + case EVLOG_JSON: + ret = do_logfile_json(event_type, args, evlog); + break; + default: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unexpected eventlog format %d", evl_conf->format); + break; + } + +done: + sudo_lbuf_destroy(&lbuf); + debug_return_bool(ret); +} + +bool +eventlog_accept(const struct eventlog *evlog, int flags, + eventlog_json_callback_t info_cb, void *info) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const int log_type = evl_conf->type; + struct eventlog_args args = { NULL }; + bool ret = true; + debug_decl(eventlog_accept, SUDO_DEBUG_UTIL); + + args.event_time = &evlog->submit_time; + args.json_info_cb = info_cb; + args.json_info = info; + + if (ISSET(log_type, EVLOG_SYSLOG)) { + if (!do_syslog(EVLOG_ACCEPT, flags, &args, evlog)) + ret = false; + CLR(flags, EVLOG_MAIL); + } + if (ISSET(log_type, EVLOG_FILE)) { + if (!do_logfile(EVLOG_ACCEPT, flags, &args, evlog)) + ret = false; + } + + debug_return_bool(ret); +} + +bool +eventlog_reject(const struct eventlog *evlog, int flags, const char *reason, + eventlog_json_callback_t info_cb, void *info) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const int log_type = evl_conf->type; + struct eventlog_args args = { NULL }; + bool ret = true; + debug_decl(eventlog_reject, SUDO_DEBUG_UTIL); + + args.reason = reason; + args.event_time = &evlog->submit_time; + args.json_info_cb = info_cb; + args.json_info = info; + + if (ISSET(log_type, EVLOG_SYSLOG)) { + if (!do_syslog(EVLOG_REJECT, flags, &args, evlog)) + ret = false; + CLR(flags, EVLOG_MAIL); + } + if (ISSET(log_type, EVLOG_FILE)) { + if (!do_logfile(EVLOG_REJECT, flags, &args, evlog)) + ret = false; + } + + debug_return_bool(ret); +} + +bool +eventlog_alert(const struct eventlog *evlog, int flags, + struct timespec *alert_time, const char *reason, const char *errstr) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const int log_type = evl_conf->type; + struct eventlog_args args = { NULL }; + bool ret = true; + debug_decl(eventlog_alert, SUDO_DEBUG_UTIL); + + args.reason = reason; + args.errstr = errstr; + args.event_time = alert_time; + + if (ISSET(log_type, EVLOG_SYSLOG)) { + if (!do_syslog(EVLOG_ALERT, flags, &args, evlog)) + ret = false; + CLR(flags, EVLOG_MAIL); + } + if (ISSET(log_type, EVLOG_FILE)) { + if (!do_logfile(EVLOG_ALERT, flags, &args, evlog)) + ret = false; + } + + debug_return_bool(ret); +} + +bool +eventlog_mail(const struct eventlog *evlog, int flags, + struct timespec *event_time, const char *reason, const char *errstr, + char * const extra[]) +{ + struct eventlog_args args = { NULL }; + struct sudo_lbuf lbuf; + bool ret = false; + debug_decl(eventlog_mail, SUDO_DEBUG_UTIL); + + args.reason = reason; + args.errstr = errstr; + args.event_time = event_time; + + sudo_lbuf_init(&lbuf, NULL, 0, NULL, 0); + if (!new_logline(EVLOG_ALERT, flags, &args, evlog, &lbuf)) + goto done; + + if (extra != NULL) { + /* Each extra message is written on its own line. */ + while (*extra != NULL) { + sudo_lbuf_append(&lbuf, "\n"); + sudo_lbuf_append_esc(&lbuf, LBUF_ESC_CNTRL, "%s", *extra); + if (sudo_lbuf_error(&lbuf)) { + sudo_debug_printf( + SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to format mail message"); + goto done; + } + extra++; + } + } + + ret = send_mail(evlog, lbuf.buf); + if (!ret) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to mail log line"); + } + +done: + sudo_lbuf_destroy(&lbuf); + debug_return_bool(ret); +} + +bool +eventlog_exit(const struct eventlog *evlog, int flags) +{ + const struct eventlog_config *evl_conf = eventlog_getconf(); + const int log_type = evl_conf->type; + struct eventlog_args args = { NULL }; + struct timespec exit_time; + bool ret = true; + debug_decl(eventlog_exit, SUDO_DEBUG_UTIL); + + if (sudo_timespecisset(&evlog->run_time)) { + sudo_timespecadd(&evlog->submit_time, &evlog->run_time, &exit_time); + args.event_time = &exit_time; + } + + if (ISSET(log_type, EVLOG_SYSLOG)) { + if (!do_syslog(EVLOG_EXIT, flags, &args, evlog)) + ret = false; + CLR(flags, EVLOG_MAIL); + } + if (ISSET(log_type, EVLOG_FILE)) { + if (!do_logfile(EVLOG_EXIT, flags, &args, evlog)) + ret = false; + } + + debug_return_bool(ret); +} diff --git a/lib/eventlog/eventlog_conf.c b/lib/eventlog/eventlog_conf.c new file mode 100644 index 0000000..0663a38 --- /dev/null +++ b/lib/eventlog/eventlog_conf.c @@ -0,0 +1,226 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1994-1996, 1998-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <netinet/in.h> + +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <grp.h> +#include <locale.h> +#include <pwd.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <time.h> +#include <unistd.h> + +#include <pathnames.h> +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_json.h> +#include <sudo_queue.h> +#include <sudo_util.h> + +static FILE *eventlog_stub_open_log(int type, const char *logfile); +static void eventlog_stub_close_log(int type, FILE *fp); + +/* Eventlog config settings (default values). */ +static struct eventlog_config evl_conf = { + EVLOG_NONE, /* type */ + EVLOG_SUDO, /* format */ + LOG_NOTICE, /* syslog_acceptpri */ + LOG_ALERT, /* syslog_rejectpri */ + LOG_ALERT, /* syslog_alertpri */ + MAXSYSLOGLEN, /* syslog_maxlen */ + 0, /* file_maxlen */ + ROOT_UID, /* mailuid */ + false, /* omit_hostname */ + _PATH_SUDO_LOGFILE, /* logpath */ + "%h %e %T", /* time_fmt */ +#ifdef _PATH_SUDO_SENDMAIL + _PATH_SUDO_SENDMAIL, /* mailerpath */ +#else + NULL, /* mailerpath (disabled) */ +#endif + "-t", /* mailerflags */ + NULL, /* mailfrom */ + MAILTO, /* mailto */ + N_(MAILSUBJECT), /* mailsub */ + eventlog_stub_open_log, /* open_log */ + eventlog_stub_close_log /* close_log */ +}; + +static FILE * +eventlog_stub_open_log(int type, const char *logfile) +{ + debug_decl(eventlog_stub_open_log, SUDO_DEBUG_UTIL); + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO, + "open_log not set, using stub"); + debug_return_ptr(NULL); +} + +static void +eventlog_stub_close_log(int type, FILE *fp) +{ + debug_decl(eventlog_stub_close_log, SUDO_DEBUG_UTIL); + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO, + "close_log not set, using stub"); + debug_return; +} + +/* + * eventlog config setters. + */ + +void +eventlog_set_type(int type) +{ + evl_conf.type = type; +} + +void +eventlog_set_format(enum eventlog_format format) +{ + evl_conf.format = format; +} + +void +eventlog_set_syslog_acceptpri(int pri) +{ + evl_conf.syslog_acceptpri = pri; +} + +void +eventlog_set_syslog_rejectpri(int pri) +{ + evl_conf.syslog_rejectpri = pri; +} + +void +eventlog_set_syslog_alertpri(int pri) +{ + evl_conf.syslog_alertpri = pri; +} + +void +eventlog_set_syslog_maxlen(size_t len) +{ + evl_conf.syslog_maxlen = len; +} + +void +eventlog_set_file_maxlen(size_t len) +{ + evl_conf.file_maxlen = len; +} + +void +eventlog_set_mailuid(uid_t uid) +{ + evl_conf.mailuid = uid; +} + +void +eventlog_set_omit_hostname(bool omit_hostname) +{ + evl_conf.omit_hostname = omit_hostname; +} + +void +eventlog_set_logpath(const char *path) +{ + evl_conf.logpath = path; +} + +void +eventlog_set_time_fmt(const char *fmt) +{ + evl_conf.time_fmt = fmt; +} + +void +eventlog_set_mailerpath(const char *path) +{ + evl_conf.mailerpath = path; +} + +void +eventlog_set_mailerflags(const char *mflags) +{ + evl_conf.mailerflags = mflags; +} + +void +eventlog_set_mailfrom(const char *from_addr) +{ + evl_conf.mailfrom = from_addr; +} + +void +eventlog_set_mailto(const char *to_addr) +{ + evl_conf.mailto = to_addr; +} + +void +eventlog_set_mailsub(const char *subject) +{ + evl_conf.mailsub = subject; +} + +void +eventlog_set_open_log(FILE *(*fn)(int type, const char *)) +{ + evl_conf.open_log = fn; +} + +void +eventlog_set_close_log(void (*fn)(int type, FILE *)) +{ + evl_conf.close_log = fn; +} + +/* + * get eventlog config. + */ +const struct eventlog_config * +eventlog_getconf(void) +{ + return &evl_conf; +} diff --git a/lib/eventlog/eventlog_free.c b/lib/eventlog/eventlog_free.c new file mode 100644 index 0000000..7643f52 --- /dev/null +++ b/lib/eventlog/eventlog_free.c @@ -0,0 +1,86 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_util.h> + +/* + * Free the strings in a struct eventlog. + */ +void +eventlog_free(struct eventlog *evlog) +{ + size_t i; + debug_decl(eventlog_free, SUDO_DEBUG_UTIL); + + if (evlog != NULL) { + free(evlog->iolog_path); + free(evlog->command); + free(evlog->cwd); + free(evlog->runchroot); + free(evlog->runcwd); + free(evlog->rungroup); + free(evlog->runuser); + free(evlog->peeraddr); + free(evlog->signal_name); + free(evlog->source); + if (evlog->submitenv != NULL) { + for (i = 0; evlog->submitenv[i] != NULL; i++) + free(evlog->submitenv[i]); + free(evlog->submitenv); + } + free(evlog->submithost); + free(evlog->submituser); + free(evlog->submitgroup); + free(evlog->ttyname); + if (evlog->runargv != NULL) { + for (i = 0; evlog->runargv[i] != NULL; i++) + free(evlog->runargv[i]); + free(evlog->runargv); + } + if (evlog->runenv != NULL) { + for (i = 0; evlog->runenv[i] != NULL; i++) + free(evlog->runenv[i]); + free(evlog->runenv); + } + if (evlog->env_add != NULL) { + for (i = 0; evlog->env_add[i] != NULL; i++) + free(evlog->env_add[i]); + free(evlog->env_add); + } + free(evlog); + } + + debug_return; +} diff --git a/lib/eventlog/logwrap.c b/lib/eventlog/logwrap.c new file mode 100644 index 0000000..849ccb4 --- /dev/null +++ b/lib/eventlog/logwrap.c @@ -0,0 +1,90 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011, 2014-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> +#include <sudo_eventlog.h> + +size_t +eventlog_writeln(FILE * restrict fp, char * restrict line, size_t linelen, size_t maxlen) +{ + const char *indent = ""; + char *beg = line; + char *end; + int len; + size_t outlen = 0; + debug_decl(eventlog_writeln, SUDO_DEBUG_UTIL); + + if (maxlen < sizeof(EVENTLOG_INDENT)) { + /* Maximum length too small, disable wrapping. */ + outlen = fwrite(line, 1, linelen, fp); + if (outlen != linelen) + debug_return_size_t((size_t)-1); + if (fputc('\n', fp) == EOF) + debug_return_size_t((size_t)-1); + debug_return_size_t(outlen + 1); + } + + /* + * Print out line with word wrap around maxlen characters. + */ + while (linelen > maxlen) { + end = beg + maxlen; + while (end != beg && *end != ' ') + end--; + if (beg == end) { + /* Unable to find word break within maxlen, look beyond. */ + end = strchr(beg + maxlen, ' '); + if (end == NULL) + break; /* no word break */ + } + len = fprintf(fp, "%s%.*s\n", indent, (int)(end - beg), beg); + if (len < 0) + debug_return_size_t((size_t)-1); + outlen += (size_t)len; + while (*end == ' ') + end++; + linelen -= (size_t)(end - beg); + beg = end; + if (indent[0] == '\0') { + indent = EVENTLOG_INDENT; + maxlen -= sizeof(EVENTLOG_INDENT) - 1; + } + } + /* Print remainder, if any. */ + if (linelen) { + len = fprintf(fp, "%s%s\n", indent, beg); + if (len < 0) + debug_return_size_t((size_t)-1); + outlen += (size_t)len; + } + + debug_return_size_t(outlen); +} diff --git a/lib/eventlog/parse_json.c b/lib/eventlog/parse_json.c new file mode 100644 index 0000000..9b5a168 --- /dev/null +++ b/lib/eventlog/parse_json.c @@ -0,0 +1,1071 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <unistd.h> +#include <ctype.h> +#include <limits.h> +#include <fcntl.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +#include <parse_json.h> + +struct json_stack { + unsigned int depth; + unsigned int maxdepth; + struct eventlog_json_object *frames[64]; +}; +#define JSON_STACK_INTIALIZER(s) { 0, nitems((s).frames) }; + +static char *iolog_file; + +static bool +json_store_columns(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_columns, SUDO_DEBUG_UTIL); + + if (item->u.number < 1 || item->u.number > INT_MAX) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "tty cols %lld: out of range", item->u.number); + evlog->columns = 0; + debug_return_bool(false); + } + + evlog->columns = (int)item->u.number; + debug_return_bool(true); +} + +static bool +json_store_command(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_command, SUDO_DEBUG_UTIL); + + /* + * Note: struct eventlog must store command + args. + * We don't have argv yet so we append the args later. + */ + free(evlog->command); + evlog->command = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_dumped_core(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_dumped_core, SUDO_DEBUG_UTIL); + + evlog->dumped_core = item->u.boolean; + debug_return_bool(true); +} + +static bool +json_store_exit_value(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_exit_value, SUDO_DEBUG_UTIL); + + if (item->u.number < 0 || item->u.number > INT_MAX) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "exit value %lld: out of range", item->u.number); + evlog->exit_value = -1; + debug_return_bool(false); + } + + evlog->exit_value = (int)item->u.number; + debug_return_bool(true); +} + +static bool +json_store_iolog_file(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_iolog_file, SUDO_DEBUG_UTIL); + + /* Do set evlog->iolog_file directly, it is a substring of iolog_path. */ + free(iolog_file); + iolog_file = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_iolog_path(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_iolog_path, SUDO_DEBUG_UTIL); + + free(evlog->iolog_path); + evlog->iolog_path = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_lines(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_lines, SUDO_DEBUG_UTIL); + + if (item->u.number < 1 || item->u.number > INT_MAX) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "tty lines %lld: out of range", item->u.number); + evlog->lines = 0; + debug_return_bool(false); + } + + evlog->lines = (int)item->u.number; + debug_return_bool(true); +} + +static bool +json_store_peeraddr(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_peeraddr, SUDO_DEBUG_UTIL); + + free(evlog->peeraddr); + evlog->peeraddr = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static char ** +json_array_to_strvec(struct eventlog_json_object *array) +{ + struct json_item *item; + size_t len = 0; + char **ret; + debug_decl(json_array_to_strvec, SUDO_DEBUG_UTIL); + + TAILQ_FOREACH(item, &array->items, entries) { + /* Can only convert arrays of string. */ + if (item->type != JSON_STRING) { + sudo_warnx(U_("expected JSON_STRING, got %d"), item->type); + debug_return_ptr(NULL); + } + /* Prevent integer overflow. */ + if (++len == INT_MAX) { + sudo_warnx("%s", U_("JSON_ARRAY too large")); + debug_return_ptr(NULL); + } + } + if ((ret = reallocarray(NULL, len + 1, sizeof(char *))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_ptr(NULL); + } + len = 0; + TAILQ_FOREACH(item, &array->items, entries) { + ret[len++] = item->u.string; + item->u.string = NULL; + } + ret[len] = NULL; + + debug_return_ptr(ret); +} + +static bool +json_store_submitenv(struct json_item *item, struct eventlog *evlog) +{ + size_t i; + debug_decl(json_store_submitenv, SUDO_DEBUG_UTIL); + + if (evlog->submitenv != NULL) { + for (i = 0; evlog->submitenv[i] != NULL; i++) + free(evlog->submitenv[i]); + free(evlog->submitenv); + } + evlog->submitenv = json_array_to_strvec(&item->u.child); + + debug_return_bool(evlog->submitenv != NULL); +} + +static bool +json_store_runargv(struct json_item *item, struct eventlog *evlog) +{ + size_t i; + debug_decl(json_store_runargv, SUDO_DEBUG_UTIL); + + if (evlog->runargv != NULL) { + for (i = 0; evlog->runargv[i] != NULL; i++) + free(evlog->runargv[i]); + free(evlog->runargv); + } + evlog->runargv = json_array_to_strvec(&item->u.child); + + debug_return_bool(evlog->runargv != NULL); +} + +static bool +json_store_runenv(struct json_item *item, struct eventlog *evlog) +{ + size_t i; + debug_decl(json_store_runenv, SUDO_DEBUG_UTIL); + + if (evlog->runenv != NULL) { + for (i = 0; evlog->runenv[i] != NULL; i++) + free(evlog->runenv[i]); + free(evlog->runenv); + } + evlog->runenv = json_array_to_strvec(&item->u.child); + + debug_return_bool(evlog->runenv != NULL); +} + +static bool +json_store_runenv_override(struct json_item *item, struct eventlog *evlog) +{ + size_t i; + debug_decl(json_store_runenv_override, SUDO_DEBUG_UTIL); + + if (evlog->env_add != NULL) { + for (i = 0; evlog->env_add[i] != NULL; i++) + free(evlog->env_add[i]); + free(evlog->env_add); + } + evlog->env_add = json_array_to_strvec(&item->u.child); + + debug_return_bool(evlog->env_add != NULL); +} + +static bool +json_store_rungid(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_rungid, SUDO_DEBUG_UTIL); + + evlog->rungid = (gid_t)item->u.number; + debug_return_bool(true); +} + +static bool +json_store_rungroup(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_rungroup, SUDO_DEBUG_UTIL); + + free(evlog->rungroup); + evlog->rungroup = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_runuid(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_runuid, SUDO_DEBUG_UTIL); + + evlog->runuid = (uid_t)item->u.number; + debug_return_bool(true); +} + +static bool +json_store_runuser(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_runuser, SUDO_DEBUG_UTIL); + + free(evlog->runuser); + evlog->runuser = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_runchroot(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_runchroot, SUDO_DEBUG_UTIL); + + free(evlog->runchroot); + evlog->runchroot = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_runcwd(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_runcwd, SUDO_DEBUG_UTIL); + + free(evlog->runcwd); + evlog->runcwd = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_signal(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_signal, SUDO_DEBUG_UTIL); + + free(evlog->signal_name); + evlog->signal_name = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_source(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_source, SUDO_DEBUG_UTIL); + + free(evlog->source); + evlog->source = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_submitcwd(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_submitcwd, SUDO_DEBUG_UTIL); + + free(evlog->cwd); + evlog->cwd = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_submithost(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_submithost, SUDO_DEBUG_UTIL); + + free(evlog->submithost); + evlog->submithost = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_submituser(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_submituser, SUDO_DEBUG_UTIL); + + free(evlog->submituser); + evlog->submituser = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_submitgroup(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_submitgroup, SUDO_DEBUG_UTIL); + + free(evlog->submitgroup); + evlog->submitgroup = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_timespec(struct json_item *item, struct timespec *ts) +{ + struct eventlog_json_object *object; + debug_decl(json_store_timespec, SUDO_DEBUG_UTIL); + + object = &item->u.child; + TAILQ_FOREACH(item, &object->items, entries) { + if (item->type != JSON_NUMBER) + continue; + if (strcmp(item->name, "seconds") == 0) { + ts->tv_sec = (time_t)item->u.number; + continue; + } + if (strcmp(item->name, "nanoseconds") == 0) { + ts->tv_nsec = (long)item->u.number; + continue; + } + } + debug_return_bool(true); +} + +static bool +json_store_iolog_offset(struct json_item *item, struct eventlog *evlog) +{ + return json_store_timespec(item, &evlog->iolog_offset); +} + +static bool +json_store_run_time(struct json_item *item, struct eventlog *evlog) +{ + return json_store_timespec(item, &evlog->run_time); +} + +static bool +json_store_timestamp(struct json_item *item, struct eventlog *evlog) +{ + return json_store_timespec(item, &evlog->submit_time); +} + +static bool +json_store_ttyname(struct json_item *item, struct eventlog *evlog) +{ + debug_decl(json_store_ttyname, SUDO_DEBUG_UTIL); + + free(evlog->ttyname); + evlog->ttyname = item->u.string; + item->u.string = NULL; + debug_return_bool(true); +} + +static bool +json_store_uuid(struct json_item *item, struct eventlog *evlog) +{ + bool ret = false; + debug_decl(json_store_uuid, SUDO_DEBUG_UTIL); + + if (strlen(item->u.string) == sizeof(evlog->uuid_str) - 1) { + memcpy(evlog->uuid_str, item->u.string, sizeof(evlog->uuid_str)); + ret = true; + } + free(item->u.string); + item->u.string = NULL; + debug_return_bool(ret); +} + +static struct evlog_json_key { + const char *name; + enum json_value_type type; + bool (*setter)(struct json_item *, struct eventlog *); +} evlog_json_keys[] = { + { "columns", JSON_NUMBER, json_store_columns }, + { "command", JSON_STRING, json_store_command }, + { "dumped_core", JSON_BOOL, json_store_dumped_core }, + { "exit_value", JSON_NUMBER, json_store_exit_value }, + { "iolog_file", JSON_STRING, json_store_iolog_file }, + { "iolog_path", JSON_STRING, json_store_iolog_path }, + { "iolog_offset", JSON_OBJECT, json_store_iolog_offset }, + { "lines", JSON_NUMBER, json_store_lines }, + { "peeraddr", JSON_STRING, json_store_peeraddr }, + { "run_time", JSON_OBJECT, json_store_run_time }, + { "runargv", JSON_ARRAY, json_store_runargv }, + { "runenv", JSON_ARRAY, json_store_runenv }, + { "runenv_override", JSON_ARRAY, json_store_runenv_override }, + { "rungid", JSON_ID, json_store_rungid }, + { "rungroup", JSON_STRING, json_store_rungroup }, + { "runuid", JSON_ID, json_store_runuid }, + { "runuser", JSON_STRING, json_store_runuser }, + { "runchroot", JSON_STRING, json_store_runchroot }, + { "runcwd", JSON_STRING, json_store_runcwd }, + { "source", JSON_STRING, json_store_source }, + { "signal", JSON_STRING, json_store_signal }, + { "submitcwd", JSON_STRING, json_store_submitcwd }, + { "submitenv", JSON_ARRAY, json_store_submitenv }, + { "submithost", JSON_STRING, json_store_submithost }, + { "submitgroup", JSON_STRING, json_store_submitgroup }, + { "submituser", JSON_STRING, json_store_submituser }, + { "timestamp", JSON_OBJECT, json_store_timestamp }, + { "ttyname", JSON_STRING, json_store_ttyname }, + { "uuid", JSON_STRING, json_store_uuid }, + { NULL } +}; + +static struct json_item * +new_json_item(enum json_value_type type, char *name, unsigned int lineno) +{ + struct json_item *item; + debug_decl(new_json_item, SUDO_DEBUG_UTIL); + + if ((item = malloc(sizeof(*item))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, + U_("unable to allocate memory")); + debug_return_ptr(NULL); + } + item->name = name; + item->type = type; + item->lineno = lineno; + + debug_return_ptr(item); +} + +static char * +json_parse_string(char **strp) +{ + char *dst, *end, *ret, *src = *strp + 1; + size_t len; + debug_decl(json_parse_string, SUDO_DEBUG_UTIL); + + for (end = src; *end != '"' && *end != '\0'; end++) { + if (end[0] == '\\' && end[1] == '"') + end++; + } + if (*end != '"') { + sudo_warnx("%s", U_("missing double quote in name")); + debug_return_str(NULL); + } + len = (size_t)(end - src); + + /* Copy string, flattening escaped chars. */ + dst = ret = malloc(len + 1); + if (dst == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_str(NULL); + } + while (src < end) { + int ch = *src++; + if (ch == '\\') { + switch (*src) { + case 'b': + ch = '\b'; + break; + case 'f': + ch = '\f'; + break; + case 'n': + ch = '\n'; + break; + case 'r': + ch = '\r'; + break; + case 't': + ch = '\t'; + break; + case 'u': + /* Only currently handles 8-bit ASCII. */ + if (src[1] == '0' && src[2] == '0') { + ch = sudo_hexchar(&src[3]); + if (ch != -1) { + src += 4; + break; + } + } + /* Not in \u00XX format. */ + FALLTHROUGH; + case '"': + case '\\': + default: + /* Note: a bare \ at the end of a string will be removed. */ + ch = *src; + break; + } + src++; + } + *dst++ = (char)ch; + } + *dst = '\0'; + + /* Trim trailing whitespace. */ + do { + end++; + } while (isspace((unsigned char)*end)); + *strp = end; + + debug_return_str(ret); +} + +static void +free_json_items(struct json_item_list *items) +{ + struct json_item *item; + debug_decl(free_json_items, SUDO_DEBUG_UTIL); + + while ((item = TAILQ_FIRST(items)) != NULL) { + TAILQ_REMOVE(items, item, entries); + switch (item->type) { + case JSON_STRING: + free(item->u.string); + break; + case JSON_ARRAY: + case JSON_OBJECT: + free_json_items(&item->u.child.items); + break; + case JSON_ID: + case JSON_NUMBER: + case JSON_BOOL: + case JSON_NULL: + /* Nothing to free. */ + break; + default: + sudo_warnx("%s: internal error, invalid JSON type %d", + __func__, item->type); + break; + } + free(item->name); + free(item); + } + + debug_return; +} + +void +eventlog_json_free(struct eventlog_json_object *root) +{ + debug_decl(eventlog_json_free, SUDO_DEBUG_UTIL); + if (root != NULL) { + free_json_items(&root->items); + free(root); + } + debug_return; +} + +bool +eventlog_json_parse(struct eventlog_json_object *object, struct eventlog *evlog) +{ + struct json_item *item; + bool ret = false; + debug_decl(eventlog_json_parse, SUDO_DEBUG_UTIL); + + /* First object holds all the actual data. */ + item = TAILQ_FIRST(&object->items); + if (item == NULL) { + sudo_warnx("%s", U_("missing JSON_OBJECT")); + goto done; + } + if (item->type != JSON_OBJECT) { + sudo_warnx(U_("expected JSON_OBJECT, got %d"), item->type); + goto done; + } + object = &item->u.child; + + TAILQ_FOREACH(item, &object->items, entries) { + struct evlog_json_key *key; + + /* expecting key:value pairs */ + if (item->name == NULL) { + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO, + "%s: missing object name", __func__); + goto done; + } + + /* lookup name */ + for (key = evlog_json_keys; key->name != NULL; key++) { + if (strcmp(item->name, key->name) == 0) + break; + } + if (key->name == NULL) { + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO, + "%s: unknown key %s", __func__, item->name); + } else if (key->type != item->type && + (key->type != JSON_ID || item->type != JSON_NUMBER)) { + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO, + "%s: key mismatch %s type %d, expected %d", __func__, + item->name, item->type, key->type); + goto done; + } else { + /* Matched name and type. */ + if (!key->setter(item, evlog)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to store %s", key->name); + goto done; + } + } + } + + /* + * iolog_file must be a substring of iolog_path. + */ + if (iolog_file != NULL && evlog->iolog_path != NULL) { + const size_t filelen = strlen(iolog_file); + const size_t pathlen = strlen(evlog->iolog_path); + if (filelen <= pathlen) { + const char *cp = &evlog->iolog_path[pathlen - filelen]; + if (strcmp(cp, iolog_file) == 0) { + evlog->iolog_file = cp; + } + } + } + + ret = true; + +done: + free(iolog_file); + iolog_file = NULL; + + debug_return_bool(ret); +} + +static bool +json_insert_bool(struct json_item_list *items, char *name, bool value, + unsigned int lineno) +{ + struct json_item *item; + debug_decl(json_insert_bool, SUDO_DEBUG_UTIL); + + if ((item = new_json_item(JSON_BOOL, name, lineno)) == NULL) + debug_return_bool(false); + item->u.boolean = value; + TAILQ_INSERT_TAIL(items, item, entries); + + debug_return_bool(true); +} + +static bool +json_insert_null(struct json_item_list *items, char *name, unsigned int lineno) +{ + struct json_item *item; + debug_decl(json_insert_null, SUDO_DEBUG_UTIL); + + if ((item = new_json_item(JSON_NULL, name, lineno)) == NULL) + debug_return_bool(false); + TAILQ_INSERT_TAIL(items, item, entries); + + debug_return_bool(true); +} + +static bool +json_insert_num(struct json_item_list *items, char *name, long long value, + unsigned int lineno) +{ + struct json_item *item; + debug_decl(json_insert_num, SUDO_DEBUG_UTIL); + + if ((item = new_json_item(JSON_NUMBER, name, lineno)) == NULL) + debug_return_bool(false); + item->u.number = value; + TAILQ_INSERT_TAIL(items, item, entries); + + debug_return_bool(true); +} + +static bool +json_insert_str(struct json_item_list *items, char *name, char **strp, + unsigned int lineno) +{ + struct json_item *item; + debug_decl(json_insert_str, SUDO_DEBUG_UTIL); + + if ((item = new_json_item(JSON_STRING, name, lineno)) == NULL) + debug_return_bool(false); + item->u.string = json_parse_string(strp); + if (item->u.string == NULL) { + free(item); + debug_return_bool(false); + } + TAILQ_INSERT_TAIL(items, item, entries); + + debug_return_bool(true); +} + +static struct eventlog_json_object * +json_stack_push(struct json_stack *stack, struct json_item_list *items, + struct eventlog_json_object *frame, enum json_value_type type, char *name, + unsigned int lineno) +{ + struct json_item *item; + debug_decl(json_stack_push, SUDO_DEBUG_UTIL); + + /* We limit the stack size rather than expanding it. */ + if (stack->depth >= stack->maxdepth) { + sudo_warnx(U_("json stack exhausted (max %u frames)"), stack->maxdepth); + debug_return_ptr(NULL); + } + + /* Allocate a new item and insert it into the list. */ + if ((item = new_json_item(type, name, lineno)) == NULL) + debug_return_ptr(NULL); + TAILQ_INIT(&item->u.child.items); + item->u.child.parent = item; + TAILQ_INSERT_TAIL(items, item, entries); + + /* Push the current frame onto the stack (depth check performed above). */ + stack->frames[stack->depth++] = frame; + + /* Return the new frame */ + debug_return_ptr(&item->u.child); +} + +/* Only expect a value if a name is defined or we are in an array. */ +#define expect_value (name != NULL || (frame->parent != NULL && frame->parent->type == JSON_ARRAY)) + +struct eventlog_json_object * +eventlog_json_read(FILE *fp, const char *filename) +{ + struct eventlog_json_object *frame, *root; + struct json_stack stack = JSON_STACK_INTIALIZER(stack); + unsigned int lineno = 0; + char *name = NULL; + char *cp, *line = NULL; + size_t len, linesize = 0; + ssize_t linelen; + bool saw_comma = false; + long long num; + char ch; + debug_decl(eventlog_json_read, SUDO_DEBUG_UTIL); + + root = malloc(sizeof(*root)); + if (root == NULL) + goto bad; + + root->parent = NULL; + TAILQ_INIT(&root->items); + + frame = root; + while ((linelen = getdelim(&line, &linesize, '\n', fp)) != -1) { + char *ep = line + linelen - 1; + cp = line; + + lineno++; + + /* Trim trailing whitespace. */ + while (ep > cp && isspace((unsigned char)*ep)) + ep--; + ep[1] = '\0'; + + for (;;) { + const char *errstr; + + /* Trim leading whitespace, skip blank lines. */ + while (isspace((unsigned char)*cp)) + cp++; + + /* Check for comma separator and strip it out. */ + if (*cp == ',') { + saw_comma = true; + cp++; + while (isspace((unsigned char)*cp)) + cp++; + } + + /* End of line? */ + if (*cp == '\0') + break; + + switch (*cp) { + case '{': + if (name == NULL && frame->parent != NULL) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("objects must consist of name:value pairs")); + goto bad; + } + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + cp++; + saw_comma = false; + frame = json_stack_push(&stack, &frame->items, frame, + JSON_OBJECT, name, lineno); + if (frame == NULL) + goto bad; + name = NULL; + break; + case '}': + if (stack.depth == 0 || frame->parent == NULL || + frame->parent->type != JSON_OBJECT) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unmatched close brace")); + goto bad; + } + cp++; + frame = stack.frames[--stack.depth]; + saw_comma = false; + break; + case '[': + if (frame->parent == NULL) { + /* Must have an enclosing object. */ + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected array")); + goto bad; + } + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + cp++; + saw_comma = false; + frame = json_stack_push(&stack, &frame->items, frame, + JSON_ARRAY, name, lineno); + if (frame == NULL) + goto bad; + name = NULL; + break; + case ']': + if (stack.depth == 0 || frame->parent == NULL || + frame->parent->type != JSON_ARRAY) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unmatched close bracket")); + goto bad; + } + cp++; + frame = stack.frames[--stack.depth]; + saw_comma = false; + break; + case '"': + if (frame->parent == NULL) { + /* Must have an enclosing object. */ + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected string")); + goto bad; + } + + if (!expect_value) { + /* Parse "name": */ + if ((name = json_parse_string(&cp)) == NULL) + goto bad; + /* TODO: allow colon on next line? */ + if (*cp != ':') { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing colon after name")); + goto bad; + } + cp++; + } else { + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + saw_comma = false; + if (!json_insert_str(&frame->items, name, &cp, lineno)) + goto bad; + name = NULL; + } + break; + case 't': + if (strncmp(cp, "true", sizeof("true") - 1) != 0) + goto parse_error; + if (!expect_value) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected boolean")); + goto bad; + } + cp += sizeof("true") - 1; + if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0') + goto parse_error; + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + saw_comma = false; + + if (!json_insert_bool(&frame->items, name, true, lineno)) + goto bad; + name = NULL; + break; + case 'f': + if (strncmp(cp, "false", sizeof("false") - 1) != 0) + goto parse_error; + if (!expect_value) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected boolean")); + goto bad; + } + cp += sizeof("false") - 1; + if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0') + goto parse_error; + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + saw_comma = false; + + if (!json_insert_bool(&frame->items, name, false, lineno)) + goto bad; + name = NULL; + break; + case 'n': + if (strncmp(cp, "null", sizeof("null") - 1) != 0) + goto parse_error; + if (!expect_value) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected null")); + goto bad; + } + cp += sizeof("null") - 1; + if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0') + goto parse_error; + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + saw_comma = false; + + if (!json_insert_null(&frame->items, name, lineno)) + goto bad; + name = NULL; + break; + case '+': case '-': case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': case '8': case '9': + if (!expect_value) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unexpected number")); + goto bad; + } + /* XXX - strtonumx() would be simpler here. */ + len = strcspn(cp, " \f\n\r\t\v,"); + ch = cp[len]; + cp[len] = '\0'; + if (!saw_comma && !TAILQ_EMPTY(&frame->items)) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("missing separator between values")); + goto bad; + } + saw_comma = false; + num = sudo_strtonum(cp, LLONG_MIN, LLONG_MAX, &errstr); + if (errstr != NULL) { + sudo_warnx("%s:%u:%td: %s: %s", filename, lineno, cp - line, + cp, U_(errstr)); + goto bad; + } + cp += len; + *cp = ch; + + if (!json_insert_num(&frame->items, name, num, lineno)) + goto bad; + name = NULL; + break; + default: + goto parse_error; + } + } + } + if (stack.depth != 0) { + frame = stack.frames[stack.depth - 1]; + if (frame->parent == NULL || frame->parent->type == JSON_OBJECT) { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unmatched close brace")); + } else { + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, + U_("unmatched close bracket")); + } + goto bad; + } + + goto done; + +parse_error: + sudo_warnx("%s:%u:%td: %s", filename, lineno, cp - line, U_("parse error")); +bad: + eventlog_json_free(root); + root = NULL; +done: + free(line); + free(name); + + debug_return_ptr(root); +} diff --git a/lib/eventlog/parse_json.h b/lib/eventlog/parse_json.h new file mode 100644 index 0000000..e04efea --- /dev/null +++ b/lib/eventlog/parse_json.h @@ -0,0 +1,46 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef PARSE_JSON_H +#define PARSE_JSON_H + +#include <sudo_json.h> +#include <sudo_queue.h> + +TAILQ_HEAD(json_item_list, json_item); + +struct eventlog_json_object { + struct json_item *parent; + struct json_item_list items; +}; + +struct json_item { + TAILQ_ENTRY(json_item) entries; + char *name; /* may be NULL for first brace */ + unsigned int lineno; + enum json_value_type type; + union { + struct eventlog_json_object child; + char *string; + long long number; + id_t id; + bool boolean; + } u; +}; + +#endif /* PARSE_JSON_H */ diff --git a/lib/eventlog/regress/eventlog_store/store_json_test.c b/lib/eventlog/regress/eventlog_store/store_json_test.c new file mode 100644 index 0000000..5c8f6fe --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/store_json_test.c @@ -0,0 +1,199 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +#include <parse_json.h> + +sudo_dso_public int main(int argc, char *argv[]); + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s [-cv] input_file ...\n", + getprogname()); + exit(EXIT_FAILURE); +} + +static bool +compare(FILE *fp, const char *infile, struct json_container *jsonc) +{ + const char *cp; + unsigned int lineno = 0; + size_t linesize = 0; + char *line = NULL; + ssize_t len; + + cp = sudo_json_get_buf(jsonc); + + while ((len = getdelim(&line, &linesize, '\n', fp)) != -1) { + lineno++; + + /* skip open/close brace, not present in formatted output */ + if (lineno == 1 && strcmp(line, "{\n") == 0) + continue; + if (*cp == '\0' && strcmp(line, "}\n") == 0) + continue; + + /* Ignore newlines in output to make comparison easier. */ + if (*cp == '\n') + cp++; + if (line[len - 1] == '\n') + len--; + + if (strncmp(line, cp, (size_t)len) != 0) { + fprintf(stderr, "%s: mismatch on line %u\n", infile, lineno); + fprintf(stderr, "expected: %s", line); + fprintf(stderr, "got : %.*s\n", (int)len, cp); + return false; + } + cp += len; + } + free(line); + + return true; +} + +int +main(int argc, char *argv[]) +{ + int ch, i, ntests = 0, errors = 0; + bool cat = false; + + initprogname(argc > 0 ? argv[0] : "store_json_test"); + + while ((ch = getopt(argc, argv, "cv")) != -1) { + switch (ch) { + case 'c': + cat = true; + break; + case 'v': + /* ignored */ + break; + default: + usage(); + /* NOTREACHED */ + } + } + argc -= optind; + argv += optind; + + if (argc < 1) + usage(); + + for (i = 0; i < argc; i++) { + struct eventlog_json_object *root; + struct eventlog *evlog = NULL; + struct json_container jsonc; + const char *infile = argv[i]; + const char *outfile = argv[i]; + const char *cp; + char pathbuf[PATH_MAX]; + FILE *infp = NULL; + FILE *outfp = NULL; + + ntests++; + + if (!sudo_json_init(&jsonc, 4, false, true, true)) { + errors++; + continue; + } + + /* Parse input file. */ + if ((infp = fopen(infile, "r")) == NULL) { + sudo_warn("%s", argv[i]); + errors++; + continue; + } + root = eventlog_json_read(infp, infile); + if (root == NULL) { + errors++; + goto next; + } + + /* Convert JSON to event log. */ + evlog = calloc(1, sizeof(*evlog)); + if (evlog == NULL) { + sudo_warnx("%s: %s", __func__, "unable to allocate memory"); + errors++; + goto next; + } + if (!eventlog_json_parse(root, evlog)) { + errors++; + goto next; + } + + /* Format event log as JSON. */ + if (!eventlog_store_json(&jsonc, evlog)) { + errors++; + goto next; + } + + /* Check for a .out.ok file in the same location as the .in file. */ + cp = strrchr(infile, '.'); + if (cp != NULL && strcmp(cp, ".in") == 0) { + snprintf(pathbuf, sizeof(pathbuf), "%.*s.out.ok", + (int)(cp - infile), infile); + if ((outfp = fopen(pathbuf, "r")) != NULL) + outfile = pathbuf; + } + if (outfp == NULL) + outfp = infp; + + /* Compare output to expected output. */ + rewind(outfp); + if (!compare(outfp, outfile, &jsonc)) + errors++; + + /* Write the formatted output to stdout for -c (cat) */ + if (cat) { + fprintf(stdout, "{%s\n}\n", sudo_json_get_buf(&jsonc)); + fflush(stdout); + } + +next: + eventlog_free(evlog); + eventlog_json_free(root); + sudo_json_free(&jsonc); + if (infp != NULL) + fclose(infp); + if (outfp != NULL && outfp != infp) + fclose(outfp); + } + + if (ntests != 0) { + printf("%s: %d test%s run, %d errors, %d%% success rate\n", + getprogname(), ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/eventlog/regress/eventlog_store/store_sudo_test.c b/lib/eventlog/regress/eventlog_store/store_sudo_test.c new file mode 100644 index 0000000..f873cd5 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/store_sudo_test.c @@ -0,0 +1,209 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_lbuf.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s [-cv] input_file ...\n", + getprogname()); + exit(EXIT_FAILURE); +} + +static bool +compare(FILE *fp, const char *infile, const char *output) +{ + static size_t linesize = 0; + static char *line = NULL; + int i; + + /* Expect two log lines, one for accept, one for exit. */ + for (i = 0; i < 2; i++) { + ssize_t output_len = (ssize_t)strcspn(output, "\n"); + ssize_t len = getdelim(&line, &linesize, '\n', fp); + if (len == -1) { + sudo_warn("getdelim"); + return false; + } + if (line[len - 1] == '\n') + len--; + + if (len != output_len || strncmp(line, output, (size_t)len) != 0) { + fprintf(stderr, "%s: %s mismatch\n", infile, i ? "exit" : "accept"); + fprintf(stderr, "expected: %.*s\n", (int)len, line); + fprintf(stderr, "got : %.*s\n", (int)output_len, output); + return false; + } + if (i == 0) { + /* Skip past newline in accept record output. */ + output += output_len; + if (output[0] != '\n' || output[1] == '\0') { + sudo_warnx("missing exit record"); + return false; + } + output++; + } + } + + return true; +} + +int +main(int argc, char *argv[]) +{ + int ch, i, ntests = 0, errors = 0; + struct sudo_lbuf lbuf; + bool cat = false; + + initprogname(argc > 0 ? argv[0] : "store_sudo_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'c': + cat = true; + break; + case 'v': + /* ignored */ + break; + default: + usage(); + /* NOTREACHED */ + } + } + argc -= optind; + argv += optind; + + if (argc < 1) + usage(); + + sudo_lbuf_init(&lbuf, NULL, 0, NULL, 0); + for (i = 0; i < argc; i++) { + struct eventlog_json_object *root; + struct eventlog *evlog = NULL; + const char *infile = argv[i]; + const char *outfile = argv[i]; + char pathbuf[PATH_MAX]; + FILE *infp = NULL; + FILE *outfp = NULL; + size_t len; + + ntests++; + + /* Parse input file. */ + if ((infp = fopen(infile, "r")) == NULL) { + sudo_warn("%s", argv[i]); + errors++; + continue; + } + root = eventlog_json_read(infp, infile); + if (root == NULL) { + errors++; + goto next; + } + + /* Convert JSON to event log. */ + evlog = calloc(1, sizeof(*evlog)); + if (evlog == NULL) { + sudo_warnx("%s: %s", __func__, "unable to allocate memory"); + errors++; + goto next; + } + if (!eventlog_json_parse(root, evlog)) { + errors++; + goto next; + } + + /* Format event log in sudo log format. */ + if (!eventlog_store_sudo(EVLOG_ACCEPT, evlog, &lbuf)) { + errors++; + goto next; + } + sudo_lbuf_append(&lbuf, "\n"); + if (!eventlog_store_sudo(EVLOG_EXIT, evlog, &lbuf)) { + errors++; + goto next; + } + sudo_lbuf_append(&lbuf, "\n"); + + /* Write the formatted output to stdout for -c (cat) */ + if (cat) { + puts(lbuf.buf); + fflush(stdout); + } + + /* Check for a .out.ok file in the same location as the .in file. */ + len = strlen(infile); + if (len < sizeof(".json.in")) { + sudo_warnx("%s must end in .json.in", infile); + errors++; + goto next; + } + len -= sizeof(".json.in") - 1; + if (strcmp(&infile[len], ".json.in") != 0) { + sudo_warnx("%s must end in .json.in", infile); + errors++; + goto next; + } + snprintf(pathbuf, sizeof(pathbuf), "%.*s.sudo.out.ok", + (int)len, infile); + if ((outfp = fopen(pathbuf, "r")) == NULL) { + sudo_warn("%s", pathbuf); + errors++; + goto next; + } + + /* Compare output to expected output. */ + if (!compare(outfp, outfile, lbuf.buf)) + errors++; + +next: + lbuf.len = 0; + eventlog_json_free(root); + eventlog_free(evlog); + if (infp != NULL) + fclose(infp); + if (outfp != NULL && outfp != infp) + fclose(outfp); + } + sudo_lbuf_destroy(&lbuf); + + if (ntests != 0) { + printf("%s: %d test%s run, %d errors, %d%% success rate\n", + getprogname(), ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/eventlog/regress/eventlog_store/test1.json.in b/lib/eventlog/regress/eventlog_store/test1.json.in new file mode 100644 index 0000000..0e73df9 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test1.json.in @@ -0,0 +1,52 @@ +{ + "uuid": "94109a6eb8-9bed-41ba-0ff1-79926f3947", + "server_time": { + "seconds": 1677638673, + "nanoseconds": 98769807, + "iso8601": "20230301024433Z", + "localtime": "Tue Feb 28 19:44:33 MST 2023" + }, + "submit_time": { + "seconds": 1677638673, + "nanoseconds": 93789768, + "iso8601": "20230301024433Z", + "localtime": "Tue Feb 28 19:44:33 MST 2023" + }, + "peeraddr": "172.30.200.2", + "iolog_path": "/var/log/sudo-logsrvd/millert/00/03/FI", + "iolog_file": "00/03/FI", + "columns": 80, + "command": "/usr/bin/ci", + "lines": 24, + "runargv": [ + "ci", + "-u", + "aliases\n" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/ci -u aliases", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ], + "runenv_override": [ + "KRB5CCNAME=bogus", + "LD_LIBRARY_PATH=/opt/sudo/libexec" + ], + "runuid": 0, + "runuser": "root", + "source": "/etc/sudoers:89:24", + "submitcwd": "/etc/mail", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypb", + "exit_value": 1 +} diff --git a/lib/eventlog/regress/eventlog_store/test1.json.out.ok b/lib/eventlog/regress/eventlog_store/test1.json.out.ok new file mode 100644 index 0000000..2ddc8c5 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test1.json.out.ok @@ -0,0 +1,31 @@ +{ + "submituser": "millert", + "command": "/usr/bin/ci", + "runuser": "root", + "source": "/etc/sudoers:89:24", + "ttyname": "/dev/ttypb", + "submithost": "xerxes.sudo.ws", + "submitcwd": "/etc/mail", + "runuid": 0, + "columns": 80, + "lines": 24, + "runargv": [ + "ci", + "-u", + "aliases\n" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/ci -u aliases", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ] +} diff --git a/lib/eventlog/regress/eventlog_store/test1.sudo.out.ok b/lib/eventlog/regress/eventlog_store/test1.sudo.out.ok new file mode 100644 index 0000000..17c344e --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test1.sudo.out.ok @@ -0,0 +1,2 @@ +HOST=xerxes.sudo.ws ; TTY=ttypb ; CWD=/etc/mail ; USER=root ; TSID=0003FI ; ENV=KRB5CCNAME=bogus LD_LIBRARY_PATH=/opt/sudo/libexec ; COMMAND=/usr/bin/ci -u aliases#012 +HOST=xerxes.sudo.ws ; TTY=ttypb ; CWD=/etc/mail ; USER=root ; TSID=0003FI ; ENV=KRB5CCNAME=bogus LD_LIBRARY_PATH=/opt/sudo/libexec ; COMMAND=/usr/bin/ci -u aliases#012 ; EXIT=1 diff --git a/lib/eventlog/regress/eventlog_store/test2.json.in b/lib/eventlog/regress/eventlog_store/test2.json.in new file mode 100644 index 0000000..6af3a31 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test2.json.in @@ -0,0 +1,48 @@ +{ + "uuid": "a17521dd52-1b7f-4ca1-5086-6957336362", + "server_time": { + "seconds": 1671070212, + "nanoseconds": 246006550, + "iso8601": "20221215021012Z", + "localtime": "Wed Dec 14 19:10:12 MST 2022" + }, + "submit_time": { + "seconds": 1671070212, + "nanoseconds": 243017337, + "iso8601": "20221215021012Z", + "localtime": "Wed Dec 14 19:10:12 MST 2022" + }, + "peeraddr": "172.30.200.2", + "iolog_path": "/var/log/sudo-logsrvd/millert/00/03/5Q", + "iolog_file": "00/03/5Q", + "columns": 80, + "command": "/usr/bin/id", + "lines": 24, + "runargv": [ + "id" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/id", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ], + "runenv_override": [ + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "source": "sudoRole %wheel", + "submitcwd": "/usr/src/local/millert/sudo/trunk", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttyp0" +} diff --git a/lib/eventlog/regress/eventlog_store/test2.json.out.ok b/lib/eventlog/regress/eventlog_store/test2.json.out.ok new file mode 100644 index 0000000..e26290c --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test2.json.out.ok @@ -0,0 +1,29 @@ +{ + "submituser": "millert", + "command": "/usr/bin/id", + "runuser": "root", + "source": "sudoRole %wheel", + "ttyname": "/dev/ttyp0", + "submithost": "xerxes.sudo.ws", + "submitcwd": "/usr/src/local/millert/sudo/trunk", + "runuid": 0, + "columns": 80, + "lines": 24, + "runargv": [ + "id" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/id", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ] +} diff --git a/lib/eventlog/regress/eventlog_store/test2.sudo.out.ok b/lib/eventlog/regress/eventlog_store/test2.sudo.out.ok new file mode 100644 index 0000000..51faf04 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test2.sudo.out.ok @@ -0,0 +1,2 @@ +HOST=xerxes.sudo.ws ; TTY=ttyp0 ; CWD=/usr/src/local/millert/sudo/trunk ; USER=root ; TSID=00035Q ; ENV=KRB5CCNAME=bogus ; COMMAND=/usr/bin/id +HOST=xerxes.sudo.ws ; TTY=ttyp0 ; CWD=/usr/src/local/millert/sudo/trunk ; USER=root ; TSID=00035Q ; ENV=KRB5CCNAME=bogus ; COMMAND=/usr/bin/id ; EXIT=0 diff --git a/lib/eventlog/regress/eventlog_store/test3.json.in b/lib/eventlog/regress/eventlog_store/test3.json.in new file mode 100644 index 0000000..184333f --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test3.json.in @@ -0,0 +1,49 @@ +{ + "uuid": "54e6806305-0f50-44bf-fe6a-c8fa7a65ac", + "server_time": { + "seconds": 1678475729, + "nanoseconds": 286796437, + "iso8601": "20230310191529Z", + "localtime": "Fri Mar 10 12:15:29 MST 2023" + }, + "submit_time": { + "seconds": 1633116433, + "nanoseconds": 682537651, + "iso8601": "20211001192713Z", + "localtime": "Fri Oct 1 13:27:13 MDT 2021" + }, + "peeraddr": "172.30.200.50", + "iolog_path": "/var/log/sudo-logsrvd/millert/00/00/5H", + "iolog_file": "00/00/5H", + "columns": 80, + "command": "/usr/bin/find", + "lines": 24, + "runargv": [ + "find", + "build/out/sudoers/" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/find build/out/sudoers/", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ], + "runuid": 0, + "runuser": "root", + "source": "/etc/sudoers:89:24", + "submitcwd": "/home/millert/sudo/oss-fuzz", + "submithost": "linux-build", + "submituser": "millert", + "ttyname": "/dev/pts/1", + "exit_value": 131, + "signal": "QUIT", + "dumped_core": true +} diff --git a/lib/eventlog/regress/eventlog_store/test3.json.out.ok b/lib/eventlog/regress/eventlog_store/test3.json.out.ok new file mode 100644 index 0000000..967a75c --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test3.json.out.ok @@ -0,0 +1,30 @@ +{ + "submituser": "millert", + "command": "/usr/bin/find", + "runuser": "root", + "source": "/etc/sudoers:89:24", + "ttyname": "/dev/pts/1", + "submithost": "linux-build", + "submitcwd": "/home/millert/sudo/oss-fuzz", + "runuid": 0, + "columns": 80, + "lines": 24, + "runargv": [ + "find", + "build/out/sudoers/" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/find build/out/sudoers/", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20" + ] +} diff --git a/lib/eventlog/regress/eventlog_store/test3.sudo.out.ok b/lib/eventlog/regress/eventlog_store/test3.sudo.out.ok new file mode 100644 index 0000000..5f7fee2 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test3.sudo.out.ok @@ -0,0 +1,2 @@ +HOST=linux-build ; TTY=pts/1 ; CWD=/home/millert/sudo/oss-fuzz ; USER=root ; TSID=00005H ; COMMAND=/usr/bin/find build/out/sudoers/ +HOST=linux-build ; TTY=pts/1 ; CWD=/home/millert/sudo/oss-fuzz ; USER=root ; TSID=00005H ; COMMAND=/usr/bin/find build/out/sudoers/ ; SIGNAL=QUIT ; EXIT=131 diff --git a/lib/eventlog/regress/eventlog_store/test4.json.in b/lib/eventlog/regress/eventlog_store/test4.json.in new file mode 100644 index 0000000..8836a44 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test4.json.in @@ -0,0 +1,47 @@ +{ + "uuid": "0bf9f26a7c-5e8b-4f82-f6c1-24a49a254c", + "server_time": { + "seconds": 1677638637, + "nanoseconds": 369091862, + "iso8601": "20230301024357Z", + "localtime": "Tue Feb 28 19:43:57 MST 2023" + }, + "submit_time": { + "seconds": 1677638637, + "nanoseconds": 364571747, + "iso8601": "20230301024357Z", + "localtime": "Tue Feb 28 19:43:57 MST 2023" + }, + "peeraddr": "172.30.200.2", + "iolog_path": "/var/log/sudo-logsrvd/millert/00/03/FG", + "iolog_file": "00/03/FG", + "columns": 80, + "command": "/usr/bin/vi", + "lines": 24, + "runargv": [ + "vi", + "aliases" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/vi aliases", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "source": "/etc/sudoers:89:24", + "submitcwd": "/etc/mail", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypb" +} diff --git a/lib/eventlog/regress/eventlog_store/test4.json.out.ok b/lib/eventlog/regress/eventlog_store/test4.json.out.ok new file mode 100644 index 0000000..2f15940 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test4.json.out.ok @@ -0,0 +1,31 @@ +{ + "submituser": "millert", + "command": "/usr/bin/vi", + "runuser": "root", + "source": "/etc/sudoers:89:24", + "ttyname": "/dev/ttypb", + "submithost": "xerxes.sudo.ws", + "submitcwd": "/etc/mail", + "runuid": 0, + "columns": 80, + "lines": 24, + "runargv": [ + "vi", + "aliases" + ], + "runenv": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=tmux", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/bash", + "SUDO_COMMAND=/usr/bin/vi aliases", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ] +} diff --git a/lib/eventlog/regress/eventlog_store/test4.sudo.out.ok b/lib/eventlog/regress/eventlog_store/test4.sudo.out.ok new file mode 100644 index 0000000..c1589d0 --- /dev/null +++ b/lib/eventlog/regress/eventlog_store/test4.sudo.out.ok @@ -0,0 +1,2 @@ +HOST=xerxes.sudo.ws ; TTY=ttypb ; CWD=/etc/mail ; USER=root ; TSID=0003FG ; COMMAND=/usr/bin/vi aliases +HOST=xerxes.sudo.ws ; TTY=ttypb ; CWD=/etc/mail ; USER=root ; TSID=0003FG ; COMMAND=/usr/bin/vi aliases ; EXIT=0 diff --git a/lib/eventlog/regress/logwrap/check_wrap.c b/lib/eventlog/regress/logwrap/check_wrap.c new file mode 100644 index 0000000..15134f0 --- /dev/null +++ b/lib/eventlog/regress/logwrap/check_wrap.c @@ -0,0 +1,124 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s [-v] inputfile\n", getprogname()); + exit(EXIT_FAILURE); +} + +int +main(int argc, char *argv[]) +{ + int ch, lineno = 0, which = 0; + char *line, lines[2][2048]; + const char *infile; + unsigned int len; + FILE *fp; + + initprogname(argc > 0 ? argv[0] : "check_wrap"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignored */ + break; + default: + usage(); + /* NOTREACHED */ + } + } + argc -= optind; + argv += optind; + + if (argc != 1) + usage(); + infile = argv[0]; + + fp = fopen(infile, "r"); + if (fp == NULL) + sudo_fatalx("unable to open %s", infile); + + /* + * Each test record consists of a log entry on one line and a list of + * line lengths to test it with on the next. E.g. + * + * Jun 30 14:49:51 : millert : TTY=ttypn ; PWD=/usr/src/local/millert/hg/sudo/trunk/plugins/sudoers ; USER=root ; TSID=0004LD ; COMMAND=/usr/local/sbin/visudo + * 60-80,40 + */ + while ((line = fgets(lines[which], sizeof(lines[which]), fp)) != NULL) { + char *cp, *last; + + line[strcspn(line, "\n")] = '\0'; + + /* If we read the 2nd line, parse list of line lengths and check. */ + if (which) { + lineno++; + for (cp = strtok_r(lines[1], ",", &last); cp != NULL; cp = strtok_r(NULL, ",", &last)) { + unsigned int maxlen; + const char *errstr; + char *dash; + + /* May be either a number or a range. */ + dash = strchr(cp, '-'); + if (dash != NULL) { + *dash = '\0'; + len = (unsigned int)sudo_strtonum(cp, 0, INT_MAX, &errstr); + if (errstr == NULL) + maxlen = (unsigned int)sudo_strtonum(dash + 1, 0, INT_MAX, &errstr); + } else { + len = maxlen = (unsigned int)sudo_strtonum(cp, 0, INT_MAX, &errstr); + } + if (errstr != NULL) { + sudo_fatalx("%s: invalid length on line %d", infile, lineno); + } + while (len <= maxlen) { + if (len == 0) { + puts("# word wrap disabled"); + } else { + printf("# word wrap at %u characters\n", len); + } + eventlog_writeln(stdout, lines[0], strlen(lines[0]), len); + len++; + } + } + } + which = !which; + } + + return EXIT_SUCCESS; +} diff --git a/lib/eventlog/regress/logwrap/check_wrap.in b/lib/eventlog/regress/logwrap/check_wrap.in new file mode 100644 index 0000000..e8e7081 --- /dev/null +++ b/lib/eventlog/regress/logwrap/check_wrap.in @@ -0,0 +1,4 @@ +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +0,60-80,120,140 +Jun 26 18:00:06 : millert : TTY=ttypm ; PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +0,60-80,120,140 diff --git a/lib/eventlog/regress/logwrap/check_wrap.out.ok b/lib/eventlog/regress/logwrap/check_wrap.out.ok new file mode 100644 index 0000000..55e9da8 --- /dev/null +++ b/lib/eventlog/regress/logwrap/check_wrap.out.ok @@ -0,0 +1,179 @@ +# word wrap disabled +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +# word wrap at 60 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 + ; PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 61 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 + ; PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 62 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 63 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 64 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 65 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 66 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 67 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool + list users +# word wrap at 68 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool + list users +# word wrap at 69 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool + list users +# word wrap at 70 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool + list users +# word wrap at 71 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool + list users +# word wrap at 72 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 73 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 74 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 75 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 76 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 77 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list + users +# word wrap at 78 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +# word wrap at 79 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +# word wrap at 80 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; + PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +# word wrap at 120 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; PWD=/home/tu2sp3-a ; USER=root ; + COMMAND=/opt/quest/bin/vastool list users +# word wrap at 140 characters +Jul 11 11:30:17 : tu2sp3-a : command not allowed ; TTY=pts/1 ; PWD=/home/tu2sp3-a ; USER=root ; COMMAND=/opt/quest/bin/vastool list users +# word wrap disabled +Jun 26 18:00:06 : millert : TTY=ttypm ; PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 60 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 61 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 62 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 63 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 64 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 65 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 66 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 67 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 68 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 69 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; + TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 70 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT + ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 71 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT + ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 72 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 73 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 74 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 75 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 76 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 77 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 78 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 79 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; + PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 80 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; PWD=/usr/src/local/millert/hg/sudo/build + ; USER=root ; TSID=0004KT ; COMMAND=/bin/rm /root/.bash_profile +# word wrap at 120 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; + COMMAND=/bin/rm /root/.bash_profile +# word wrap at 140 characters +Jun 26 18:00:06 : millert : TTY=ttypm ; PWD=/usr/src/local/millert/hg/sudo/build ; USER=root ; TSID=0004KT ; COMMAND=/bin/rm + /root/.bash_profile diff --git a/lib/eventlog/regress/parse_json/check_parse_json.c b/lib/eventlog/regress/parse_json/check_parse_json.c new file mode 100644 index 0000000..496fac9 --- /dev/null +++ b/lib/eventlog/regress/parse_json/check_parse_json.c @@ -0,0 +1,270 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +#include <parse_json.h> + +sudo_dso_public int main(int argc, char *argv[]); + +static bool +json_print_object(struct json_container *jsonc, struct eventlog_json_object *object) +{ + struct json_item *item; + struct json_value json_value; + bool ret = false; + + TAILQ_FOREACH(item, &object->items, entries) { + switch (item->type) { + case JSON_STRING: + json_value.type = JSON_STRING; + json_value.u.string = item->u.string; + if (!sudo_json_add_value(jsonc, item->name, &json_value)) + goto oom; + break; + case JSON_NUMBER: + json_value.type = JSON_NUMBER; + json_value.u.number = item->u.number; + if (!sudo_json_add_value(jsonc, item->name, &json_value)) + goto oom; + break; + case JSON_OBJECT: + if (!sudo_json_open_object(jsonc, item->name)) + goto oom; + if (!json_print_object(jsonc, &item->u.child)) + goto done; + if (!sudo_json_close_object(jsonc)) + goto oom; + break; + case JSON_ARRAY: + if (!sudo_json_open_array(jsonc, item->name)) + goto oom; + if (!json_print_object(jsonc, &item->u.child)) + goto done; + if (!sudo_json_close_array(jsonc)) + goto oom; + break; + case JSON_BOOL: + json_value.type = JSON_BOOL; + json_value.u.boolean = item->u.boolean; + if (!sudo_json_add_value(jsonc, item->name, &json_value)) + goto oom; + break; + case JSON_NULL: + json_value.type = JSON_NULL; + if (!sudo_json_add_value(jsonc, item->name, &json_value)) + goto oom; + break; + default: + sudo_warnx("unsupported JSON type %d", item->type); + goto done; + } + } + + ret = true; + goto done; + +oom: + sudo_warnx("%s: %s", __func__, "unable to allocate memory"); +done: + return ret; +} + +static bool +json_format(struct json_container *jsonc, struct eventlog_json_object *object) +{ + struct json_item *item; + bool ret = false; + + /* First object holds all the actual data. */ + item = TAILQ_FIRST(&object->items); + if (item->type != JSON_OBJECT) { + sudo_warnx("expected JSON_OBJECT, got %d", item->type); + goto done; + } + object = &item->u.child; + + if (!json_print_object(jsonc, object)) + goto done; + + ret = true; + +done: + return ret; +} + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s [-cv] input_file ...\n", + getprogname()); + exit(EXIT_FAILURE); +} + +static bool +compare(FILE *fp, const char *infile, struct json_container *jsonc) +{ + const char *cp; + unsigned int lineno = 0; + size_t linesize = 0; + char *line = NULL; + ssize_t len; + + cp = sudo_json_get_buf(jsonc); + + while ((len = getdelim(&line, &linesize, '\n', fp)) != -1) { + lineno++; + + /* skip open/close brace, not present in formatted output */ + if (lineno == 1 && strcmp(line, "{\n") == 0) + continue; + if (*cp == '\0' && strcmp(line, "}\n") == 0) + continue; + + /* Ignore newlines in output to make comparison easier. */ + if (*cp == '\n') + cp++; + if (line[len - 1] == '\n') + len--; + + if (strncmp(line, cp, (size_t)len) != 0) { + fprintf(stderr, "%s: mismatch on line %u\n", infile, lineno); + fprintf(stderr, "expected: %s", line); + fprintf(stderr, "got : %.*s\n", (int)len, cp); + return false; + } + cp += len; + } + free(line); + + return true; +} + +int +main(int argc, char *argv[]) +{ + int ch, i, ntests = 0, errors = 0; + bool cat = false; + + initprogname(argc > 0 ? argv[0] : "check_parse_json"); + + while ((ch = getopt(argc, argv, "cv")) != -1) { + switch (ch) { + case 'c': + cat = true; + break; + case 'v': + /* ignored */ + break; + default: + usage(); + } + } + argc -= optind; + argv += optind; + + if (argc < 1) + usage(); + + for (i = 0; i < argc; i++) { + struct eventlog_json_object *root; + struct json_container jsonc; + const char *infile = argv[i]; + const char *outfile = argv[i]; + const char *cp; + char pathbuf[PATH_MAX]; + FILE *infp = NULL; + FILE *outfp = NULL; + + ntests++; + + if (!sudo_json_init(&jsonc, 4, false, true, true)) { + errors++; + continue; + } + + /* Parse input file. */ + if ((infp = fopen(infile, "r")) == NULL) { + sudo_warn("%s", argv[i]); + errors++; + continue; + } + root = eventlog_json_read(infp, infile); + if (root == NULL) { + errors++; + goto next; + } + + /* Format as pretty-printed JSON */ + if (!json_format(&jsonc, root)) { + errors++; + goto next; + } + + /* Check for a .out.ok file in the same location as the .in file. */ + cp = strrchr(infile, '.'); + if (cp != NULL && strcmp(cp, ".in") == 0) { + snprintf(pathbuf, sizeof(pathbuf), "%.*s.out.ok", + (int)(cp - infile), infile); + if ((outfp = fopen(pathbuf, "r")) != NULL) + outfile = pathbuf; + } + if (outfp == NULL) + outfp = infp; + + /* Compare output to expected output. */ + rewind(outfp); + if (!compare(outfp, outfile, &jsonc)) + errors++; + + /* Write the formatted output to stdout for -c (cat) */ + if (cat) { + fprintf(stdout, "{%s\n}\n", sudo_json_get_buf(&jsonc)); + fflush(stdout); + } + +next: + eventlog_json_free(root); + sudo_json_free(&jsonc); + if (infp != NULL) + fclose(infp); + if (outfp != NULL && outfp != infp) + fclose(outfp); + } + + if (ntests != 0) { + printf("%s: %d test%s run, %d errors, %d%% success rate\n", + getprogname(), ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/eventlog/regress/parse_json/test1.in b/lib/eventlog/regress/parse_json/test1.in new file mode 100644 index 0000000..8ad3689 --- /dev/null +++ b/lib/eventlog/regress/parse_json/test1.in @@ -0,0 +1,34 @@ +{ + "timestamp": { + "seconds": 1584993067, + "nanoseconds": 880288287 + }, + "columns": 80, + "command": "/usr/bin/make", + "lines": 24, + "runargv": [ + "make", + "test" + ], + "runenv": [ + "LANG=en_US.UTF-8", + "PATH=/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/X11R6/bin:/usr/local/bin:/usr/local/sbin", + "TERM=vt100", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/make test", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "A__z=\"*SHLVL" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/home/test", + "submithost": "sudo.ws", + "submituser": "millert", + "ttyname": "/dev/console" +} diff --git a/lib/eventlog/regress/parse_json/test2.in b/lib/eventlog/regress/parse_json/test2.in new file mode 100644 index 0000000..df7170f --- /dev/null +++ b/lib/eventlog/regress/parse_json/test2.in @@ -0,0 +1,28 @@ +{ + "timestamp": { "seconds": 1584993067, "nanoseconds": 880288287 }, + "columns": 80, + "command": "/usr/bin/make", + "lines": 24, + "runargv": [ "make", "test" ], + "runenv": [ + "LANG=en_US.UTF-8", + "PATH=/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/X11R6/bin:/usr/local/bin:/usr/local/sbin", + "TERM=vt100", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/make test", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "A__z=\"*SHLVL" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/home/test", + "submithost": "sudo.ws", + "submituser": "millert", + "ttyname": "/dev/console" +} diff --git a/lib/eventlog/regress/parse_json/test2.out.ok b/lib/eventlog/regress/parse_json/test2.out.ok new file mode 100644 index 0000000..8ad3689 --- /dev/null +++ b/lib/eventlog/regress/parse_json/test2.out.ok @@ -0,0 +1,34 @@ +{ + "timestamp": { + "seconds": 1584993067, + "nanoseconds": 880288287 + }, + "columns": 80, + "command": "/usr/bin/make", + "lines": 24, + "runargv": [ + "make", + "test" + ], + "runenv": [ + "LANG=en_US.UTF-8", + "PATH=/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/X11R6/bin:/usr/local/bin:/usr/local/sbin", + "TERM=vt100", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/make test", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "A__z=\"*SHLVL" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/home/test", + "submithost": "sudo.ws", + "submituser": "millert", + "ttyname": "/dev/console" +} diff --git a/lib/eventlog/regress/parse_json/test3.in b/lib/eventlog/regress/parse_json/test3.in new file mode 100644 index 0000000..6f243e3 --- /dev/null +++ b/lib/eventlog/regress/parse_json/test3.in @@ -0,0 +1,22 @@ +{ + "true": false, + "false": true, + "number": 1234567890, + "null": null, + "string": "non\u0073ense", + "scope": { + "a": "b", + "bah": null + }, + "array1": [ + "foo", + "bar", + [ + 123, + null, + false, + "fizz", + "buzz" + ] + ] +} diff --git a/lib/eventlog/regress/parse_json/test3.out.ok b/lib/eventlog/regress/parse_json/test3.out.ok new file mode 100644 index 0000000..ea2df89 --- /dev/null +++ b/lib/eventlog/regress/parse_json/test3.out.ok @@ -0,0 +1,22 @@ +{ + "true": false, + "false": true, + "number": 1234567890, + "null": null, + "string": "nonsense", + "scope": { + "a": "b", + "bah": null + }, + "array1": [ + "foo", + "bar", + [ + 123, + null, + false, + "fizz", + "buzz" + ] + ] +} diff --git a/lib/fuzzstub/Makefile.in b/lib/fuzzstub/Makefile.in new file mode 100644 index 0000000..8c472b5 --- /dev/null +++ b/lib/fuzzstub/Makefile.in @@ -0,0 +1,176 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) -I$(top_srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to the link stage +LDFLAGS = @LDFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Libraries +LT_LIBS = +LIBS = $(LT_LIBS) + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LIBFUZZSTUB_OBJS = fuzzstub.lo + +IOBJS = $(LIBFUZZSTUB_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +all: libsudo_fuzzstub.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/fuzzstub/Makefile.in + cd $(top_builddir) && ./config.status --file lib/fuzzstub/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/fuzzstub/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +libsudo_fuzzstub.la: $(LIBFUZZSTUB_OBJS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBFUZZSTUB_OBJS) $(LT_LIBS) + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +pvs-log-files: $(POBJS) + +pvs-studio: $(POBJS) + plog-converter $(PVS_LOG_OPTS) $(POBJS) + +fuzz: + +check-fuzzer: + +check: check-fuzzer + +check-verbose: check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +fuzzstub.lo: $(srcdir)/fuzzstub.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/fuzzstub.c +fuzzstub.i: $(srcdir)/fuzzstub.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fuzzstub.plog: fuzzstub.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/fuzzstub.c --i-file $< --output-file $@ diff --git a/lib/fuzzstub/fuzzstub.c b/lib/fuzzstub/fuzzstub.c new file mode 100644 index 0000000..abe8e7f --- /dev/null +++ b/lib/fuzzstub/fuzzstub.c @@ -0,0 +1,133 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Simple driver for fuzzers built for LLVM libfuzzer. + * This stub library allows fuzz targets to be built and run without + * libfuzzer. No actual fuzzing will occur but the provided inputs + * will be tested. + */ +int +main(int argc, char *argv[]) +{ + struct timespec start_time, stop_time; + size_t filesize, bufsize = 0; + ssize_t nread; + struct stat sb; + uint8_t *buf = NULL; + int fd, i, errors = 0; + int verbose = 0; + long ms; + + /* Test provided input files. */ + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (*arg == '-') { + if (strncmp(arg, "-verbosity=", sizeof("-verbosity=") - 1) == 0) { + verbose = atoi(arg + sizeof("-verbosity=") - 1); + } + continue; + } + fd = open(arg, O_RDONLY); + if (fd == -1 || fstat(fd, &sb) != 0) { + fprintf(stderr, "open %s: %s\n", arg, strerror(errno)); + if (fd != -1) + close(fd); + errors++; + continue; + } +#ifndef __LP64__ + if (sizeof(sb.st_size) > sizeof(size_t) && sb.st_size > SSIZE_MAX) { + errno = E2BIG; + fprintf(stderr, "%s: %s\n", arg, strerror(errno)); + close(fd); + errors++; + continue; + } +#endif + filesize = (size_t)sb.st_size; + if (bufsize < filesize) { + void *tmp = realloc(buf, filesize); + if (tmp == NULL) { + fprintf(stderr, "realloc: %s\n", strerror(errno)); + close(fd); + errors++; + continue; + } + buf = tmp; + bufsize = filesize; + } + nread = read(fd, buf, filesize); + if ((size_t)nread != filesize) { + if (nread == -1) + fprintf(stderr, "read %s: %s\n", arg, strerror(errno)); + else + fprintf(stderr, "read %s: short read\n", arg); + close(fd); + errors++; + continue; + } + close(fd); + + /* NOTE: doesn't support LLVMFuzzerInitialize() (but we don't use it) */ + if (verbose > 0) { + fprintf(stderr, "Running: %s\n", arg); + sudo_gettime_mono(&start_time); + } + LLVMFuzzerTestOneInput(buf, (size_t)nread); + if (verbose > 0) { + sudo_gettime_mono(&stop_time); + sudo_timespecsub(&stop_time, &start_time, &stop_time); + ms = (stop_time.tv_sec * 1000) + (stop_time.tv_nsec / 1000000); + fprintf(stderr, "Executed %s in %ld ms\n", arg, ms); + } + } + free(buf); + + return errors; +} diff --git a/lib/iolog/Makefile.in b/lib/iolog/Makefile.in new file mode 100644 index 0000000..75dc534 --- /dev/null +++ b/lib/iolog/Makefile.in @@ -0,0 +1,823 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2011-2023 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +incdir = $(top_srcdir)/include +scriptdir = $(top_srcdir)/scripts +cross_compiling = @CROSS_COMPILING@ + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ +SHA1SUM = @SHA1SUM@ +EGREP = @EGREP@ +SED = @SED@ + +# Libraries +LIBEVENTLOG = $(top_builddir)/lib/eventlog/libsudo_eventlog.la +LIBFUZZSTUB = $(top_builddir)/lib/fuzzstub/libsudo_fuzzstub.la +LIBUTIL = $(top_builddir)/lib/util/libsudo_util.la +LT_LIBS = $(LIBUTIL) +LIBS = @LIBS@ @ZLIB@ $(LT_LIBS) + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to the link stage +LDFLAGS = @LDFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Regression tests +TEST_PROGS = check_iolog_filter check_iolog_mkpath check_iolog_path \ + check_iolog_timing host_port_test +TEST_LIBS = @LIBS@ +TEST_LDFLAGS = @LDFLAGS@ +TEST_VERBOSE = + +# Fuzzers +LIB_FUZZING_ENGINE = @FUZZ_ENGINE@ +FUZZ_PROGS = fuzz_iolog_json fuzz_iolog_legacy fuzz_iolog_timing +FUZZ_SEED_CORPUS = ${FUZZ_PROGS:=_seed_corpus.zip} +FUZZ_LIBS = libsudo_iolog.la $(LIBEVENTLOG) $(LIB_FUZZING_ENGINE) $(LIBS) +FUZZ_LDFLAGS = @LDFLAGS@ +FUZZ_MAX_LEN = 4096 +FUZZ_RUNS = 8192 +FUZZ_VERBOSE = + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LIBIOLOG_OBJS = host_port.lo hostcheck.lo iolog_clearerr.lo iolog_close.lo \ + iolog_conf.lo iolog_eof.lo iolog_filter.lo iolog_flush.lo \ + iolog_gets.lo iolog_json.lo iolog_legacy.lo iolog_loginfo.lo \ + iolog_mkdirs.lo iolog_mkdtemp.lo iolog_mkpath.lo \ + iolog_nextid.lo iolog_open.lo iolog_openat.lo iolog_path.lo \ + iolog_read.lo iolog_seek.lo iolog_swapids.lo iolog_timing.lo \ + iolog_util.lo iolog_write.lo + +IOBJS = $(LIBIOLOG_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +CHECK_IOLOG_MKPATH_OBJS = check_iolog_mkpath.lo + +CHECK_IOLOG_PATH_OBJS = check_iolog_path.lo + +CHECK_IOLOG_TIMING_OBJS = check_iolog_timing.lo + +CHECK_IOLOG_FILTER_OBJS = check_iolog_filter.lo + +HOST_PORT_TEST_OBJS = host_port_test.lo + +FUZZ_IOLOG_JSON_OBJS = fuzz_iolog_json.lo + +FUZZ_IOLOG_JSON_CORPUS = $(srcdir)/regress/corpus/seed/log_json/*.json + +FUZZ_IOLOG_LEGACY_OBJS = fuzz_iolog_legacy.lo + +FUZZ_IOLOG_LEGACY_CORPUS = $(srcdir)/regress/corpus/seed/log_legacy/*.log + +FUZZ_IOLOG_TIMING_OBJS = fuzz_iolog_timing.lo + +FUZZ_IOLOG_TIMING_CORPUS = $(srcdir)/regress/corpus/seed/timing/timing.* + +all: libsudo_iolog.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/iolog/Makefile.in + cd $(top_builddir) && ./config.status --file lib/iolog/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/iolog/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +libsudo_iolog.la: $(LIBIOLOG_OBJS) $(LT_LIBS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBIOLOG_OBJS) $(LT_LIBS) @ZLIB@ @NET_LIBS@ + +check_iolog_path: $(CHECK_IOLOG_PATH_OBJS) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_IOLOG_PATH_OBJS) libsudo_iolog.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +check_iolog_mkpath: $(CHECK_IOLOG_MKPATH_OBJS) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_IOLOG_MKPATH_OBJS) libsudo_iolog.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +check_iolog_timing: $(CHECK_IOLOG_TIMING_OBJS) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_IOLOG_TIMING_OBJS) libsudo_iolog.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +check_iolog_filter: $(CHECK_IOLOG_FILTER_OBJS) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CHECK_IOLOG_FILTER_OBJS) libsudo_iolog.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +host_port_test: $(HOST_PORT_TEST_OBJS) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(HOST_PORT_TEST_OBJS) libsudo_iolog.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +fuzz_iolog_json: $(FUZZ_IOLOG_JSON_OBJS) $(LIBFUZZSTUB) $(LIBEVENTLOG) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link @FUZZ_LD@ -o $@ $(FUZZ_IOLOG_JSON_OBJS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(FUZZ_LDFLAGS) $(FUZZ_LIBS) + +fuzz_iolog_legacy: $(FUZZ_IOLOG_LEGACY_OBJS) $(LIBFUZZSTUB) $(LIBEVENTLOG) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link @FUZZ_LD@ -o $@ $(FUZZ_IOLOG_LEGACY_OBJS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(FUZZ_LDFLAGS) $(FUZZ_LIBS) + +fuzz_iolog_timing: $(FUZZ_IOLOG_TIMING_OBJS) $(LIBFUZZSTUB) $(LIBEVENTLOG) $(LIBUTIL) libsudo_iolog.la + $(LIBTOOL) $(LTFLAGS) --mode=link @FUZZ_LD@ -o $@ $(FUZZ_IOLOG_TIMING_OBJS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(FUZZ_LDFLAGS) $(FUZZ_LIBS) + +fuzz_iolog_json_seed_corpus.zip: + tdir=fuzz_iolog_json.$$$$; \ + mkdir $$tdir; \ + for f in $(FUZZ_IOLOG_JSON_CORPUS); do \ + cp $$f $$tdir/`$(SHA1SUM) $$f | $(SED) -e 's/^.*= *//' -e 's/ .*//'`; \ + done; \ + zip -j $@ $$tdir/*; \ + rm -rf $$tdir + +run-fuzz_iolog_json: fuzz_iolog_json + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + umask 022; \ + corpus=regress/corpus/iolog_json; \ + mkdir -p $$corpus; \ + for f in $(FUZZ_IOLOG_JSON_CORPUS); do \ + cp $$f $$corpus; \ + done; \ + ./fuzz_iolog_json -dict=$(srcdir)/regress/fuzz/fuzz_iolog_json.dict -max_len=$(FUZZ_MAX_LEN) -runs=$(FUZZ_RUNS) $(FUZZ_VERBOSE) $$corpus + +fuzz_iolog_legacy_seed_corpus.zip: + tdir=fuzz_iolog_legacy.$$$$; \ + mkdir $$tdir; \ + for f in $(FUZZ_IOLOG_LEGACY_CORPUS); do \ + cp $$f $$tdir/`$(SHA1SUM) $$f | $(SED) -e 's/^.*= *//' -e 's/ .*//'`; \ + done; \ + zip -j $@ $$tdir/*; \ + rm -rf $$tdir + +run-fuzz_iolog_legacy: fuzz_iolog_legacy + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + umask 022; \ + corpus=regress/corpus/iolog_legacy; \ + mkdir -p $$corpus; \ + for f in $(FUZZ_IOLOG_LEGACY_CORPUS); do \ + cp $$f $$corpus; \ + done; \ + ./fuzz_iolog_legacy -dict=$(srcdir)/regress/fuzz/fuzz_iolog_legacy.dict -max_len=$(FUZZ_MAX_LEN) -runs=$(FUZZ_RUNS) $(FUZZ_VERBOSE) $$corpus + +fuzz_iolog_timing_seed_corpus.zip: + tdir=fuzz_iolog_timing.$$$$; \ + mkdir $$tdir; \ + for f in $(FUZZ_IOLOG_TIMING_CORPUS); do \ + cp $$f $$tdir/`$(SHA1SUM) $$f | $(SED) -e 's/^.*= *//' -e 's/ .*//'`; \ + done; \ + zip -j $@ $$tdir/*; \ + rm -rf $$tdir + +run-fuzz_iolog_timing: fuzz_iolog_timing + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + umask 022; \ + corpus=regress/corpus/iolog_timing; \ + mkdir -p $$corpus; \ + for f in $(FUZZ_IOLOG_TIMING_CORPUS); do \ + cp $$f $$corpus; \ + done; \ + ./fuzz_iolog_timing -dict=$(srcdir)/regress/fuzz/fuzz_iolog_timing.dict -max_len=$(FUZZ_MAX_LEN) -runs=$(FUZZ_RUNS) $(FUZZ_VERBOSE) $$corpus + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: $(FUZZ_PROGS) $(FUZZ_SEED_CORPUS) + @if test X"$(FUZZ_DESTDIR)" = X""; then \ + echo "must set FUZZ_DESTDIR for install-fuzzer target"; \ + else \ + cp $(FUZZ_PROGS) $(FUZZ_SEED_CORPUS) $(FUZZ_DESTDIR); \ + cp $(srcdir)/regress/fuzz/*.dict $(FUZZ_DESTDIR); \ + fi + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) $(srcdir)/*.c + +pvs-log-files: $(POBJS) + +pvs-studio: $(POBJS) + plog-converter $(PVS_LOG_OPTS) $(POBJS) + +fuzz: run-fuzz_iolog_json run-fuzz_iolog_legacy run-fuzz_iolog_timing + +check-fuzzer: $(FUZZ_PROGS) + @if test X"$(cross_compiling)" != X"yes"; then \ + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + echo "fuzz_iolog_legacy: verifying corpus"; \ + ./fuzz_iolog_legacy $(FUZZ_VERBOSE) $(FUZZ_IOLOG_LEGACY_CORPUS); \ + echo "fuzz_iolog_json: verifying corpus"; \ + ./fuzz_iolog_json $(FUZZ_VERBOSE) $(FUZZ_IOLOG_JSON_CORPUS); \ + echo "fuzz_iolog_timing: verifying corpus"; \ + ./fuzz_iolog_timing $(FUZZ_VERBOSE) $(FUZZ_IOLOG_TIMING_CORPUS); \ + fi + +check: $(TEST_PROGS) check-fuzzer + @if test X"$(cross_compiling)" != X"yes"; then \ + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + rval=0; \ + ./check_iolog_filter $(TEST_VERBOSE) $(srcdir)/regress/iolog_filter/test[1-9]* || rval=`expr $$rval + $$?`; \ + ./check_iolog_path $(TEST_VERBOSE) $(srcdir)/regress/iolog_path/data || rval=`expr $$rval + $$?`; \ + ./check_iolog_mkpath $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./check_iolog_timing $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./host_port_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + exit $$rval; \ + fi + +check-verbose: + exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v FUZZ_VERBOSE=-verbosity=1 check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(TEST_PROGS) $(FUZZ_PROGS) \ + *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* regress/*/*.out \ + regress/*/*.err + -rm -rf regress/corpus/iolog_json regress/corpus/iolog_legacy \ + regress/corpus/iolog_timing + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean \ + $(FUZZ_SEED_CORPUS) run-fuzz_iolog_json run-fuzz_iolog_legacy \ + run-fuzz_iolog_timing + +# Autogenerated dependencies, do not modify +check_iolog_filter.lo: $(srcdir)/regress/iolog_filter/check_iolog_filter.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/iolog_filter/check_iolog_filter.c +check_iolog_filter.i: $(srcdir)/regress/iolog_filter/check_iolog_filter.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_iolog_filter.plog: check_iolog_filter.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/iolog_filter/check_iolog_filter.c --i-file $< --output-file $@ +check_iolog_mkpath.lo: $(srcdir)/regress/iolog_mkpath/check_iolog_mkpath.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/iolog_mkpath/check_iolog_mkpath.c +check_iolog_mkpath.i: $(srcdir)/regress/iolog_mkpath/check_iolog_mkpath.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_iolog_mkpath.plog: check_iolog_mkpath.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/iolog_mkpath/check_iolog_mkpath.c --i-file $< --output-file $@ +check_iolog_path.lo: $(srcdir)/regress/iolog_path/check_iolog_path.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/iolog_path/check_iolog_path.c +check_iolog_path.i: $(srcdir)/regress/iolog_path/check_iolog_path.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_iolog_path.plog: check_iolog_path.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/iolog_path/check_iolog_path.c --i-file $< --output-file $@ +check_iolog_timing.lo: $(srcdir)/regress/iolog_timing/check_iolog_timing.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/iolog_timing/check_iolog_timing.c +check_iolog_timing.i: $(srcdir)/regress/iolog_timing/check_iolog_timing.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +check_iolog_timing.plog: check_iolog_timing.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/iolog_timing/check_iolog_timing.c --i-file $< --output-file $@ +fuzz_iolog_json.lo: $(srcdir)/regress/fuzz/fuzz_iolog_json.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/fuzz/fuzz_iolog_json.c +fuzz_iolog_json.i: $(srcdir)/regress/fuzz/fuzz_iolog_json.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fuzz_iolog_json.plog: fuzz_iolog_json.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/fuzz/fuzz_iolog_json.c --i-file $< --output-file $@ +fuzz_iolog_legacy.lo: $(srcdir)/regress/fuzz/fuzz_iolog_legacy.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/fuzz/fuzz_iolog_legacy.c +fuzz_iolog_legacy.i: $(srcdir)/regress/fuzz/fuzz_iolog_legacy.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fuzz_iolog_legacy.plog: fuzz_iolog_legacy.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/fuzz/fuzz_iolog_legacy.c --i-file $< --output-file $@ +fuzz_iolog_timing.lo: $(srcdir)/regress/fuzz/fuzz_iolog_timing.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/fuzz/fuzz_iolog_timing.c +fuzz_iolog_timing.i: $(srcdir)/regress/fuzz/fuzz_iolog_timing.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_eventlog.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fuzz_iolog_timing.plog: fuzz_iolog_timing.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/fuzz/fuzz_iolog_timing.c --i-file $< --output-file $@ +host_port.lo: $(srcdir)/host_port.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/host_port.c +host_port.i: $(srcdir)/host_port.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +host_port.plog: host_port.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/host_port.c --i-file $< --output-file $@ +host_port_test.lo: $(srcdir)/regress/host_port/host_port_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/host_port/host_port_test.c +host_port_test.i: $(srcdir)/regress/host_port/host_port_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +host_port_test.plog: host_port_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/host_port/host_port_test.c --i-file $< --output-file $@ +hostcheck.lo: $(srcdir)/hostcheck.c $(incdir)/compat/stdbool.h \ + $(incdir)/hostcheck.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/hostcheck.c +hostcheck.i: $(srcdir)/hostcheck.c $(incdir)/compat/stdbool.h \ + $(incdir)/hostcheck.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +hostcheck.plog: hostcheck.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/hostcheck.c --i-file $< --output-file $@ +iolog_clearerr.lo: $(srcdir)/iolog_clearerr.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_clearerr.c +iolog_clearerr.i: $(srcdir)/iolog_clearerr.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_clearerr.plog: iolog_clearerr.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_clearerr.c --i-file $< --output-file $@ +iolog_close.lo: $(srcdir)/iolog_close.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_close.c +iolog_close.i: $(srcdir)/iolog_close.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_close.plog: iolog_close.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_close.c --i-file $< --output-file $@ +iolog_conf.lo: $(srcdir)/iolog_conf.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h \ + $(top_builddir)/pathnames.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_conf.c +iolog_conf.i: $(srcdir)/iolog_conf.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h \ + $(top_builddir)/pathnames.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_conf.plog: iolog_conf.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_conf.c --i-file $< --output-file $@ +iolog_eof.lo: $(srcdir)/iolog_eof.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_eof.c +iolog_eof.i: $(srcdir)/iolog_eof.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_eof.plog: iolog_eof.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_eof.c --i-file $< --output-file $@ +iolog_filter.lo: $(srcdir)/iolog_filter.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_filter.c +iolog_filter.i: $(srcdir)/iolog_filter.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_filter.plog: iolog_filter.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_filter.c --i-file $< --output-file $@ +iolog_flush.lo: $(srcdir)/iolog_flush.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_flush.c +iolog_flush.i: $(srcdir)/iolog_flush.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_flush.plog: iolog_flush.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_flush.c --i-file $< --output-file $@ +iolog_gets.lo: $(srcdir)/iolog_gets.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_gets.c +iolog_gets.i: $(srcdir)/iolog_gets.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_gets.plog: iolog_gets.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_gets.c --i-file $< --output-file $@ +iolog_json.lo: $(srcdir)/iolog_json.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_json.c +iolog_json.i: $(srcdir)/iolog_json.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_json.plog: iolog_json.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_json.c --i-file $< --output-file $@ +iolog_legacy.lo: $(srcdir)/iolog_legacy.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_legacy.c +iolog_legacy.i: $(srcdir)/iolog_legacy.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_legacy.plog: iolog_legacy.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_legacy.c --i-file $< --output-file $@ +iolog_loginfo.lo: $(srcdir)/iolog_loginfo.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_loginfo.c +iolog_loginfo.i: $(srcdir)/iolog_loginfo.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_json.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_loginfo.plog: iolog_loginfo.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_loginfo.c --i-file $< --output-file $@ +iolog_mkdirs.lo: $(srcdir)/iolog_mkdirs.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_mkdirs.c +iolog_mkdirs.i: $(srcdir)/iolog_mkdirs.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_mkdirs.plog: iolog_mkdirs.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_mkdirs.c --i-file $< --output-file $@ +iolog_mkdtemp.lo: $(srcdir)/iolog_mkdtemp.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_mkdtemp.c +iolog_mkdtemp.i: $(srcdir)/iolog_mkdtemp.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_mkdtemp.plog: iolog_mkdtemp.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_mkdtemp.c --i-file $< --output-file $@ +iolog_mkpath.lo: $(srcdir)/iolog_mkpath.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_mkpath.c +iolog_mkpath.i: $(srcdir)/iolog_mkpath.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_mkpath.plog: iolog_mkpath.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_mkpath.c --i-file $< --output-file $@ +iolog_nextid.lo: $(srcdir)/iolog_nextid.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_nextid.c +iolog_nextid.i: $(srcdir)/iolog_nextid.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_nextid.plog: iolog_nextid.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_nextid.c --i-file $< --output-file $@ +iolog_open.lo: $(srcdir)/iolog_open.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_open.c +iolog_open.i: $(srcdir)/iolog_open.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_open.plog: iolog_open.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_open.c --i-file $< --output-file $@ +iolog_openat.lo: $(srcdir)/iolog_openat.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_openat.c +iolog_openat.i: $(srcdir)/iolog_openat.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_openat.plog: iolog_openat.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_openat.c --i-file $< --output-file $@ +iolog_path.lo: $(srcdir)/iolog_path.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_path.c +iolog_path.i: $(srcdir)/iolog_path.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_path.plog: iolog_path.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_path.c --i-file $< --output-file $@ +iolog_read.lo: $(srcdir)/iolog_read.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_read.c +iolog_read.i: $(srcdir)/iolog_read.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_read.plog: iolog_read.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_read.c --i-file $< --output-file $@ +iolog_seek.lo: $(srcdir)/iolog_seek.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_seek.c +iolog_seek.i: $(srcdir)/iolog_seek.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_seek.plog: iolog_seek.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_seek.c --i-file $< --output-file $@ +iolog_swapids.lo: $(srcdir)/iolog_swapids.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_swapids.c +iolog_swapids.i: $(srcdir)/iolog_swapids.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_swapids.plog: iolog_swapids.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_swapids.c --i-file $< --output-file $@ +iolog_timing.lo: $(srcdir)/iolog_timing.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_timing.c +iolog_timing.i: $(srcdir)/iolog_timing.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_eventlog.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_gettext.h $(incdir)/sudo_iolog.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_timing.plog: iolog_timing.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_timing.c --i-file $< --output-file $@ +iolog_util.lo: $(srcdir)/iolog_util.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_util.c +iolog_util.i: $(srcdir)/iolog_util.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_util.plog: iolog_util.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_util.c --i-file $< --output-file $@ +iolog_write.lo: $(srcdir)/iolog_write.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/iolog_write.c +iolog_write.i: $(srcdir)/iolog_write.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_iolog.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +iolog_write.plog: iolog_write.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/iolog_write.c --i-file $< --output-file $@ diff --git a/lib/iolog/host_port.c b/lib/iolog/host_port.c new file mode 100644 index 0000000..615dade --- /dev/null +++ b/lib/iolog/host_port.c @@ -0,0 +1,109 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <stdio.h> +#include <string.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_gettext.h> +#include <sudo_util.h> +#include <sudo_iolog.h> + +/* + * Parse a string in the form host[:port] where host can also be + * an IPv4 address or an IPv6 address in square brackets. + * Fills in hostp and portp which may point within str, which is modified. + */ +bool +iolog_parse_host_port(char *str, char **hostp, char **portp, bool *tlsp, + const char *defport, const char *defport_tls) +{ + char *flags, *port, *host = str; + bool ret = false; + bool tls = false; + debug_decl(iolog_parse_host_port, SUDO_DEBUG_UTIL); + + /* Check for IPv6 address like [::0] followed by optional port */ + if (*host == '[') { + host++; + port = strchr(host, ']'); + if (port == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "invalid IPv6 address %s", str); + goto done; + } + *port++ = '\0'; + switch (*port) { + case ':': + port++; + break; + case '\0': + port = NULL; /* no port specified */ + break; + case '(': + /* flag, handled below */ + break; + default: + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "invalid IPv6 address %s", str); + goto done; + } + } else { + port = strrchr(host, ':'); + if (port != NULL) + *port++ = '\0'; + } + + /* Check for optional tls flag at the end. */ + flags = strchr(port ? port : host, '('); + if (flags != NULL) { + if (strcasecmp(flags, "(tls)") == 0) + tls = true; + *flags = '\0'; + if (port == flags) + port = NULL; + } + + if (port == NULL) + port = tls ? (char *)defport_tls : (char *)defport; + else if (*port == '\0') + goto done; + + *hostp = host; + *portp = port; + *tlsp = tls; + + ret = true; + +done: + debug_return_bool(ret); +} diff --git a/lib/iolog/hostcheck.c b/lib/iolog/hostcheck.c new file mode 100644 index 0000000..efb016c --- /dev/null +++ b/lib/iolog/hostcheck.c @@ -0,0 +1,400 @@ +/* + * Copyright (c) 2020 Laszlo Orban <laszlo.orban@oneidentity.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#if defined(HAVE_OPENSSL) +# if defined(HAVE_WOLFSSL) +# include <wolfssl/options.h> +# endif +# include <sys/types.h> +# include <sys/socket.h> +# include <netinet/in.h> +# include <arpa/inet.h> +# include <stdlib.h> +# include <string.h> +# include <netdb.h> + +# define NEED_INET_NTOP /* to expose sudo_inet_ntop in sudo_compat.h */ + +# include <sudo_compat.h> +# include <sudo_debug.h> +# include <sudo_util.h> +# include <hostcheck.h> + +#ifndef INET_ADDRSTRLEN +# define INET_ADDRSTRLEN 16 +#endif +#ifndef INET6_ADDRSTRLEN +# define INET6_ADDRSTRLEN 46 +#endif + +#if !defined(HAVE_ASN1_STRING_GET0_DATA) && !defined(HAVE_WOLFSSL) +# define ASN1_STRING_get0_data(x) ASN1_STRING_data(x) +#endif /* !HAVE_ASN1_STRING_GET0_DATA && !HAVE_WOLFSSL */ + +/** + * @brief Checks if given hostname resolves to the given IP address. + * + * @param hostname hostname to be resolved + * @param ipaddr ip address to be checked + * + * @return 1 if hostname resolves to the given IP address + * 0 otherwise + */ +static int +forward_lookup_match(const char *hostname, const char *ipaddr) +{ + int rc, ret = 0; + struct addrinfo *res = NULL, *p; + void *addr; + struct sockaddr_in *ipv4; +#if defined(HAVE_STRUCT_IN6_ADDR) + struct sockaddr_in6 *ipv6; + char ipstr[INET6_ADDRSTRLEN]; +#else + char ipstr[INET_ADDRSTRLEN]; +#endif + debug_decl(forward_lookup_match, SUDO_DEBUG_UTIL); + + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "verify %s resolves to %s", hostname, ipaddr); + + if ((rc = getaddrinfo(hostname, NULL, NULL, &res)) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to resolve %s: %s", hostname, gai_strerror(rc)); + goto exit; + } + + for (p = res; p != NULL; p = p->ai_next) { + if (p->ai_family == AF_INET) { + ipv4 = (struct sockaddr_in *)p->ai_addr; + addr = &(ipv4->sin_addr); +#if defined(HAVE_STRUCT_IN6_ADDR) + } else if (p->ai_family == AF_INET6) { + ipv6 = (struct sockaddr_in6 *)p->ai_addr; + addr = &(ipv6->sin6_addr); +#endif + } else { + goto exit; + } + + if (inet_ntop(p->ai_family, addr, ipstr, sizeof(ipstr)) != 0) { + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "comparing %s to %s", ipstr, ipaddr); + if (strcmp(ipaddr, ipstr) == 0) { + ret = 1; + break; + } + } + } + +exit: + if (res != NULL) { + freeaddrinfo(res); + } + debug_return_int(ret); +} + +/** + * @brief Compares the given hostname with a DNS entry in a certificate. + * + * The certificate DNS name can contain wildcards in the left-most label. + * A wildcard can match only one label. + * Accepted names: + * - foo.bar.example.com + * - *.example.com + * - *.bar.example.com + * + * @param hostname peer's name + * @param certname_asn1 hostname in the certificate + * + * @return MatchFound + * MatchNotFound + */ +static HostnameValidationResult +validate_name(const char *hostname, ASN1_STRING *certname_asn1) +{ + char *certname_s = (char *)ASN1_STRING_get0_data(certname_asn1); + size_t certname_len = (size_t)ASN1_STRING_length(certname_asn1); + size_t hostname_len = strlen(hostname); + debug_decl(validate_name, SUDO_DEBUG_UTIL); + + /* remove last '.' from hostname if exists */ + if (hostname_len != 0 && hostname[hostname_len - 1] == '.') { + --hostname_len; + } + + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "comparing %.*s to %.*s in cert", (int)hostname_len, hostname, + (int)certname_len, certname_s); + + /* skip the first label if wildcard */ + if (certname_len > 2 && certname_s[0] == '*' && certname_s[1] == '.') { + while (hostname_len != 0) { + --hostname_len; + if (*hostname++ == '.') { + break; + } + } + certname_s += 2; + certname_len -= 2; + } + /* Compare expected hostname with the DNS name */ + if (certname_len != hostname_len) { + debug_return_int(MatchNotFound); + } + if (strncasecmp(hostname, certname_s, hostname_len) != 0) { + debug_return_int(MatchNotFound); + } + + debug_return_int(MatchFound); +} + +/** + * @brief Matches a hostname with the cert's CN. + * + * @param hostname peer's name + * on client side: it is the name where the client is connected to + * on server side, it is in fact an IP address of the remote client + * @param ipaddr peer's IP address + * @param cert peer's X509 certificate + * @param resolve if the value is not 0, the function checks that the value of the CN + * resolves to the given ipaddr or not. + * + * @return MatchFound + * MatchNotFound + * MalformedCertificate + * Error + */ +static HostnameValidationResult +matches_common_name(const char *hostname, const char *ipaddr, const X509 *cert, int resolve) +{ + X509_NAME_ENTRY *common_name_entry = NULL; + ASN1_STRING *common_name_asn1 = NULL; + int common_name_loc; + debug_decl(matches_common_name, SUDO_DEBUG_UTIL); + + /* Find the position of the CN field in the Subject field of the certificate */ + common_name_loc = X509_NAME_get_index_by_NID(X509_get_subject_name((X509 *) cert), NID_commonName, -1); + if (common_name_loc < 0) { + debug_return_int(Error); + } + + /* Extract the CN field */ + common_name_entry = X509_NAME_get_entry(X509_get_subject_name((X509 *) cert), common_name_loc); + if (common_name_entry == NULL) { + debug_return_int(Error); + } + + /* Convert the CN field to a C string */ + common_name_asn1 = X509_NAME_ENTRY_get_data(common_name_entry); + if (common_name_asn1 == NULL) { + debug_return_int(Error); + } + const unsigned char *common_name_str = ASN1_STRING_get0_data(common_name_asn1); + const size_t common_name_length = (size_t)ASN1_STRING_length(common_name_asn1); + + /* Make sure there isn't an embedded NUL character in the CN */ + if (memchr(common_name_str, '\0', common_name_length) != NULL) { + debug_return_int(MalformedCertificate); + } + + /* Compare expected hostname with the CN */ + if (validate_name(hostname, common_name_asn1) == MatchFound) { + debug_return_int(MatchFound); + } + + char *nullterm_common_name = malloc(common_name_length + 1); + if (nullterm_common_name == NULL) { + debug_return_int(Error); + } + + memcpy(nullterm_common_name, common_name_str, common_name_length); + nullterm_common_name[common_name_length] = '\0'; + + + /* check if hostname in the CN field resolves to the given ip address */ + if (resolve && forward_lookup_match(nullterm_common_name, ipaddr)) { + free(nullterm_common_name); + debug_return_int(MatchFound); + } + + free(nullterm_common_name); + debug_return_int(MatchNotFound); +} + +/** + * @brief Matches a hostname or ipaddr with the cert's corresponding SAN field. + * + * SAN can have different fields. For hostname matching, the GEN_DNS field is used, + * for IP address matching, the GEN_IPADD field is used. + * Since SAN is an X503 v3 extension, it can happen that the cert does + * not contain SAN at all. + * + * @param hostname remote peer's name + * on client side: it is the name where the client is connected to + * on server side, it is in fact an IP address of the remote client + * @param ipaddr remote peer's IP address + * @param cert peer's X509 certificate + * @param resolve if the value is not 0, the function checks that the value of the + * SAN GEN_DNS resolves to the given ipaddr or not. + * + * @return MatchFound + * MatchNotFound + * NoSANPresent + * MalformedCertificate + * Error + */ +static HostnameValidationResult +matches_subject_alternative_name(const char *hostname, const char *ipaddr, const X509 *cert, int resolve) +{ + HostnameValidationResult result = MatchNotFound; + int i; + int san_names_nb; + STACK_OF(GENERAL_NAME) *san_names = NULL; + debug_decl(matches_subject_alternative_name, SUDO_DEBUG_UTIL); + + /* Try to extract the names within the SAN extension from the certificate */ + san_names = X509_get_ext_d2i((X509 *) cert, NID_subject_alt_name, NULL, NULL); + if (san_names == NULL) { + debug_return_int(NoSANPresent); + } + san_names_nb = sk_GENERAL_NAME_num(san_names); + + /* Check each name within the extension */ + for (i=0; i<san_names_nb; i++) { + const GENERAL_NAME *current_name = sk_GENERAL_NAME_value(san_names, i); + + if (current_name->type == GEN_DNS) { + const unsigned char *dns_name = ASN1_STRING_get0_data(current_name->d.dNSName); + const size_t dns_name_length = (size_t)ASN1_STRING_length(current_name->d.dNSName); + + /* Make sure there isn't an embedded NUL character in the DNS name */ + if (memchr(dns_name, '\0', dns_name_length) != NULL) { + result = MalformedCertificate; + break; + } else { + /* Compare expected hostname with the DNS name */ + if (validate_name(hostname, current_name->d.dNSName) == MatchFound) { + result = MatchFound; + break; + } + + char *nullterm_dns_name = malloc(dns_name_length + 1); + if (nullterm_dns_name == NULL) { + debug_return_int(Error); + } + + memcpy(nullterm_dns_name, dns_name, dns_name_length); + nullterm_dns_name[dns_name_length] = '\0'; + + if (resolve && forward_lookup_match(nullterm_dns_name, ipaddr)) { + free(nullterm_dns_name); + result = MatchFound; + break; + } + free(nullterm_dns_name); + } + } else if (current_name->type == GEN_IPADD) { + const unsigned char *san_ip = ASN1_STRING_get0_data(current_name->d.iPAddress); +#if defined(HAVE_STRUCT_IN6_ADDR) + char san_ip_str[INET6_ADDRSTRLEN]; +#else + char san_ip_str[INET_ADDRSTRLEN]; +#endif + + /* IPV4 address */ + if(current_name->d.iPAddress->length == 4) { + if (inet_ntop(AF_INET, san_ip, san_ip_str, INET_ADDRSTRLEN) == NULL) { + result = MalformedCertificate; + break; + } +#if defined(HAVE_STRUCT_IN6_ADDR) + /* IPV6 address */ + } else if (current_name->d.iPAddress->length == 16) { + if (inet_ntop(AF_INET6, san_ip, san_ip_str, INET6_ADDRSTRLEN) == NULL) { + result = MalformedCertificate; + break; + } +# endif + } else { + result = MalformedCertificate; + break; + } + + if (strcasecmp(ipaddr, san_ip_str) == 0) { + result = MatchFound; + break; + } + } + } + sk_GENERAL_NAME_pop_free(san_names, GENERAL_NAME_free); + + debug_return_int(result); +} + +/** + * @brief Do hostname/IP validation on the given X509 certificate. + * + * According to RFC 6125 section 6.4.4, first the certificate's SAN field + * has to be checked. If there is no SAN field, the certificate's CN field + * has to be checked. + * + * @param cert X509 certificate + * @param hostname remote peer's name + * on client side: it is the name where the client is connected to + * on server side, it is in fact an IP address of the remote client + * @param ipaddr remote peer's IP address + * @param resolve if the value is not 0, the function checks that the value of the + * SAN GEN_DNS or the value of CN resolves to the given ipaddr or not. + * + * @return MatchFound + * MatchNotFound + * MalformedCertificate + * Error + */ +HostnameValidationResult +validate_hostname(const X509 *cert, const char *hostname, const char *ipaddr, int resolve) +{ + HostnameValidationResult res = MatchFound; + debug_decl(validate_hostname, SUDO_DEBUG_UTIL); + + /* hostname can be also an ip address, if client connects + * to ip instead of FQDN + */ + if((ipaddr == NULL) || (cert == NULL)) { + debug_return_int(Error); + } + + /* check SAN first if exists */ + res = matches_subject_alternative_name(hostname, ipaddr, cert, resolve); + + /* According to RFC 6125 section 6.4.4, check CN only, + * if no SAN name was provided + */ + if (res == NoSANPresent) { + res = matches_common_name(hostname, ipaddr, cert, resolve); + } + + debug_return_int(res); +} +#endif /* HAVE_OPENSSL */ diff --git a/lib/iolog/iolog_clearerr.c b/lib/iolog/iolog_clearerr.c new file mode 100644 index 0000000..44a9b34 --- /dev/null +++ b/lib/iolog/iolog_clearerr.c @@ -0,0 +1,45 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +void +iolog_clearerr(struct iolog_file *iol) +{ + debug_decl(iolog_eof, SUDO_DEBUG_UTIL); + +#ifdef HAVE_ZLIB_H + if (iol->compressed) + gzclearerr(iol->fd.g); + else +#endif + clearerr(iol->fd.f); + debug_return; +} diff --git a/lib/iolog/iolog_close.c b/lib/iolog/iolog_close.c new file mode 100644 index 0000000..29add54 --- /dev/null +++ b/lib/iolog/iolog_close.c @@ -0,0 +1,80 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <errno.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Close an I/O log. + */ +bool +iolog_close(struct iolog_file *iol, const char **errstr) +{ + bool ret = true; + debug_decl(iolog_close, SUDO_DEBUG_UTIL); + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + int errnum; + + /* Must check error indicator before closing. */ + if (iol->writable) { + if (gzflush(iol->fd.g, Z_SYNC_FLUSH) != Z_OK) { + ret = false; + if (errstr != NULL) { + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + } + } + errnum = gzclose(iol->fd.g); + if (ret && errnum != Z_OK) { + ret = false; + if (errstr != NULL) + *errstr = errnum == Z_ERRNO ? strerror(errno) : "unknown error"; + } + } else +#endif + if (fclose(iol->fd.f) != 0) { + ret = false; + if (errstr != NULL) + *errstr = strerror(errno); + } + + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_conf.c b/lib/iolog/iolog_conf.c new file mode 100644 index 0000000..1921b8f --- /dev/null +++ b/lib/iolog/iolog_conf.c @@ -0,0 +1,202 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif + +#include <pathnames.h> +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> +#include <sudo_iolog.h> + +static unsigned int sessid_max = SESSID_MAX; +static mode_t iolog_filemode = S_IRUSR|S_IWUSR; +static mode_t iolog_dirmode = S_IRWXU; +static uid_t iolog_uid = ROOT_UID; +static gid_t iolog_gid = ROOT_GID; +static bool iolog_gid_set; +static bool iolog_docompress; +static bool iolog_doflush; + +/* + * Reset I/O log settings to default values. + */ +void +iolog_set_defaults(void) +{ + sessid_max = SESSID_MAX; + iolog_filemode = S_IRUSR|S_IWUSR; + iolog_dirmode = S_IRWXU; + iolog_uid = ROOT_UID; + iolog_gid = ROOT_GID; + iolog_gid_set = false; + iolog_docompress = false; + iolog_doflush = false; +} + +/* + * Set max sequence number (aka session ID) + */ +void +iolog_set_maxseq(unsigned int newval) +{ + debug_decl(iolog_set_maxseq, SUDO_DEBUG_UTIL); + + /* Clamp to SESSID_MAX as documented. */ + if (newval > SESSID_MAX) + newval = SESSID_MAX; + sessid_max = newval; + + debug_return; +} + +/* + * Set iolog_uid (and iolog_gid if gid not explicitly set). + */ +void +iolog_set_owner(uid_t uid, gid_t gid) +{ + debug_decl(iolog_set_owner, SUDO_DEBUG_UTIL); + + iolog_uid = uid; + if (!iolog_gid_set) + iolog_gid = gid; + + debug_return; +} + +/* + * Set iolog_gid. + */ +void +iolog_set_gid(gid_t gid) +{ + debug_decl(iolog_set_gid, SUDO_DEBUG_UTIL); + + iolog_gid = gid; + iolog_gid_set = true; + + debug_return; +} + +/* + * Set iolog_filemode and iolog_dirmode. + */ +void +iolog_set_mode(mode_t mode) +{ + debug_decl(iolog_set_mode, SUDO_DEBUG_UTIL); + + /* I/O log files must be readable and writable by owner. */ + iolog_filemode = S_IRUSR|S_IWUSR; + + /* Add in group and other read/write if specified. */ + iolog_filemode |= mode & (S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); + + /* For directory mode, add execute bits as needed. */ + iolog_dirmode = iolog_filemode | S_IXUSR; + if (iolog_dirmode & (S_IRGRP|S_IWGRP)) + iolog_dirmode |= S_IXGRP; + if (iolog_dirmode & (S_IROTH|S_IWOTH)) + iolog_dirmode |= S_IXOTH; + + debug_return; +} + +/* + * Set iolog_docompress + */ +void +iolog_set_compress(bool newval) +{ + debug_decl(iolog_set_compress, SUDO_DEBUG_UTIL); + iolog_docompress = newval; + debug_return; +} + +/* + * Set iolog_doflush + */ +void +iolog_set_flush(bool newval) +{ + debug_decl(iolog_set_flush, SUDO_DEBUG_UTIL); + iolog_doflush = newval; + debug_return; +} + +/* + * Getters. + */ + +unsigned int +iolog_get_maxseq(void) +{ + return sessid_max; +} + +uid_t +iolog_get_uid(void) +{ + return iolog_uid; +} + +gid_t +iolog_get_gid(void) +{ + return iolog_gid; +} + +mode_t +iolog_get_file_mode(void) +{ + return iolog_filemode; +} + +mode_t +iolog_get_dir_mode(void) +{ + return iolog_dirmode; +} + +bool +iolog_get_compress(void) +{ + return iolog_docompress; +} + +bool +iolog_get_flush(void) +{ + return iolog_doflush; +} diff --git a/lib/iolog/iolog_eof.c b/lib/iolog/iolog_eof.c new file mode 100644 index 0000000..4f4eb05 --- /dev/null +++ b/lib/iolog/iolog_eof.c @@ -0,0 +1,54 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Returns true if at end of I/O log file, else false. + */ +bool +iolog_eof(struct iolog_file *iol) +{ + bool ret; + debug_decl(iolog_eof, SUDO_DEBUG_UTIL); + +#ifdef HAVE_ZLIB_H + if (iol->compressed) + ret = gzeof(iol->fd.g) != 0; + else +#endif + ret = feof(iol->fd.f) != 0; + debug_return_int(ret); +} diff --git a/lib/iolog/iolog_filter.c b/lib/iolog/iolog_filter.c new file mode 100644 index 0000000..e78f2ae --- /dev/null +++ b/lib/iolog/iolog_filter.c @@ -0,0 +1,248 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <regex.h> +#include <string.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_queue.h> +#include <sudo_util.h> + +struct pwfilt_regex { + TAILQ_ENTRY(pwfilt_regex) entries; + char *pattern; + regex_t regex; +}; +TAILQ_HEAD(pwfilt_regex_list, pwfilt_regex); + +struct pwfilt_handle { + struct pwfilt_regex_list filters; + bool is_filtered; +}; + +/* + * Allocate a new filter handle. + */ +void * +iolog_pwfilt_alloc(void) +{ + struct pwfilt_handle *handle; + debug_decl(iolog_pwfilt_alloc, SUDO_DEBUG_UTIL); + + handle = malloc(sizeof(*handle)); + if (handle != NULL) { + TAILQ_INIT(&handle->filters); + handle->is_filtered = false; + } + + debug_return_ptr(handle); +} + +/* + * Unlink filt from filters and free it. + */ +static void +iolog_pwfilt_free_filter(struct pwfilt_regex_list *filters, + struct pwfilt_regex *filt) +{ + debug_decl(iolog_pwfilt_free_filter, SUDO_DEBUG_UTIL); + + if (filt != NULL) { + TAILQ_REMOVE(filters, filt, entries); + regfree(&filt->regex); + free(filt->pattern); + free(filt); + } + + debug_return; +} + +/* + * Free the given password filter handle. + */ +void +iolog_pwfilt_free(void *vhandle) +{ + struct pwfilt_handle *handle = vhandle; + struct pwfilt_regex *filt; + debug_decl(iolog_pwfilt_free, SUDO_DEBUG_UTIL); + + if (handle != NULL) { + while ((filt = TAILQ_FIRST(&handle->filters)) != NULL) { + iolog_pwfilt_free_filter(&handle->filters, filt); + } + free(handle); + } + debug_return; +} + +/* + * Add a pattern to the password filter list. + */ +bool +iolog_pwfilt_add(void *vhandle, const char *pattern) +{ + struct pwfilt_handle *handle = vhandle; + struct pwfilt_regex *filt; + const char *errstr; + debug_decl(iolog_pwfilt_add, SUDO_DEBUG_UTIL); + + filt = malloc(sizeof(*filt)); + if (filt == NULL) + goto oom; + filt->pattern = strdup(pattern); + if (filt->pattern == NULL) + goto oom; + + if (!sudo_regex_compile(&filt->regex, filt->pattern, &errstr)) { + sudo_warnx(U_("invalid regular expression \"%s\": %s"), + pattern, U_(errstr)); + goto bad; + } + + TAILQ_INSERT_TAIL(&handle->filters, filt, entries); + debug_return_bool(true); + +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); +bad: + if (filt != NULL) { + free(filt->pattern); + free(filt); + } + debug_return_bool(false); +} + +/* + * Remove a pattern from the password filter list. + */ +bool +iolog_pwfilt_remove(void *vhandle, const char *pattern) +{ + struct pwfilt_handle *handle = vhandle; + struct pwfilt_regex *filt, *next; + bool ret = false; + debug_decl(iolog_pwfilt_remove, SUDO_DEBUG_UTIL); + + TAILQ_FOREACH_SAFE(filt, &handle->filters, entries, next) { + if (strcmp(filt->pattern, pattern) == 0) { + iolog_pwfilt_free_filter(&handle->filters, filt); + ret = true; + } + } + debug_return_bool(ret); +} + +/* + * If logging output and filtering is _not_ enabled, match buf against the + * password filter list patterns and, if there is a match, enable filtering. + * If logging output and filtering _is_ enabled, disable filtering. + * If logging input and filtering is enabled, replace all characters in + * buf with stars ('*') up to the next linefeed or carriage return. + */ +bool +iolog_pwfilt_run(void *vhandle, int event, const char *buf, + size_t len, char **newbuf) +{ + struct pwfilt_handle *handle = vhandle; + struct pwfilt_regex *filt; + char *copy; + debug_decl(iolog_pwfilt_run, SUDO_DEBUG_UTIL); + + /* + * We only filter ttyin/ttyout. It is only possible to disable + * echo when a tty is present. Filtering passwords in the input + * log when they appear in the output is pointless. This does + * assume that the password prompt is written to the tty as well. + */ + switch (event) { + case IO_EVENT_TTYOUT: + /* If filtering passwords and we receive output, disable it. */ + if (handle->is_filtered) + handle->is_filtered = false; + + /* Make a copy of buf that is NUL-terminated. */ + copy = malloc(len + 1); + if (copy == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_bool(false); + } + memcpy(copy, buf, len); + copy[len] = '\0'; + + /* Check output for a password prompt. */ + TAILQ_FOREACH(filt, &handle->filters, entries) { + if (regexec(&filt->regex, copy, 0, NULL, 0) == 0) { + handle->is_filtered = true; + break; + } + } + free(copy); + break; + case IO_EVENT_TTYIN: + if (handle->is_filtered) { + unsigned int i; + + for (i = 0; i < len; i++) { + /* We will stop filtering after reaching cr/nl. */ + if (buf[i] == '\r' || buf[i] == '\n') { + handle->is_filtered = false; + break; + } + } + if (i != 0) { + /* Filtered, replace buffer with '*' chars. */ + copy = malloc(len); + if (copy == NULL) { + sudo_warnx(U_("%s: %s"), __func__, + U_("unable to allocate memory")); + debug_return_bool(false); + } + memset(copy, '*', i); + if (i != len) { + /* Done filtering, copy cr/nl and subsequent characters. */ + memcpy(copy + i, buf + i, len - i); + } + *newbuf = copy; + } + } + break; + } + + debug_return_bool(true); +} diff --git a/lib/iolog/iolog_flush.c b/lib/iolog/iolog_flush.c new file mode 100644 index 0000000..9104473 --- /dev/null +++ b/lib/iolog/iolog_flush.c @@ -0,0 +1,66 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * I/O log wrapper for fflush/gzflush. + */ +bool +iolog_flush(struct iolog_file *iol, const char **errstr) +{ + debug_decl(iolog_flush, SUDO_DEBUG_UTIL); + bool ret = true; + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + int errnum; + if (gzflush(iol->fd.g, Z_SYNC_FLUSH) != Z_OK) { + if (errstr != NULL) { + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + ret = false; + } + } else +#endif + { + if (fflush(iol->fd.f) != 0) { + if (errstr != NULL) + *errstr = strerror(errno); + ret = false; + } + } + + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_gets.c b/lib/iolog/iolog_gets.c new file mode 100644 index 0000000..f60c3b0 --- /dev/null +++ b/lib/iolog/iolog_gets.c @@ -0,0 +1,78 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Like fgets() but for struct iolog_file. + */ +char * +iolog_gets(struct iolog_file *iol, char *buf, int bufsize, + const char **errstr) +{ + char *str; + debug_decl(iolog_gets, SUDO_DEBUG_UTIL); + + if (bufsize < 0) { + errno = EINVAL; + if (errstr != NULL) + *errstr = strerror(errno); + debug_return_str(NULL); + } + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + if ((str = gzgets(iol->fd.g, buf, bufsize)) == NULL) { + if (errstr != NULL) { + int errnum; + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + } + } else +#endif + { + if ((str = fgets(buf, bufsize, iol->fd.f)) == NULL) { + if (errstr != NULL) + *errstr = strerror(errno); + } + } + debug_return_str(str); +} diff --git a/lib/iolog/iolog_json.c b/lib/iolog/iolog_json.c new file mode 100644 index 0000000..8ae68a0 --- /dev/null +++ b/lib/iolog/iolog_json.c @@ -0,0 +1,56 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_iolog.h> + +bool +iolog_parse_loginfo_json(FILE *fp, const char *iolog_dir, struct eventlog *evlog) +{ + struct eventlog_json_object *root; + bool ret = false; + debug_decl(iolog_parse_loginfo_json, SUDO_DEBUG_UTIL); + + root = eventlog_json_read(fp, iolog_dir); + if (root != NULL) { + /* Parse the JSON into an eventlog. */ + ret = eventlog_json_parse(root, evlog); + + /* Cleanup. */ + eventlog_json_free(root); + } + + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_legacy.c b/lib/iolog/iolog_legacy.c new file mode 100644 index 0000000..5ebe537 --- /dev/null +++ b/lib/iolog/iolog_legacy.c @@ -0,0 +1,169 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <signal.h> +#include <limits.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +bool +iolog_parse_loginfo_legacy(FILE *fp, const char *iolog_dir, + struct eventlog *evlog) +{ + char *buf = NULL, *cp, *ep; + const char *errstr; + size_t bufsize = 0, cwdsize = 0, cmdsize = 0; + bool ret = false; + debug_decl(iolog_parse_loginfo_legacy, SUDO_DEBUG_UTIL); + + /* + * Info file has three lines: + * 1) a log info line + * 2) cwd + * 3) command with args + */ + if (getdelim(&buf, &bufsize, '\n', fp) == -1 || + getdelim(&evlog->cwd, &cwdsize, '\n', fp) == -1 || + getdelim(&evlog->command, &cmdsize, '\n', fp) == -1) { + sudo_warn(U_("%s: invalid log file"), iolog_dir); + goto done; + } + + /* Strip the newline from the cwd and command. */ + evlog->cwd[strcspn(evlog->cwd, "\n")] = '\0'; + evlog->command[strcspn(evlog->command, "\n")] = '\0'; + + /* + * Crack the log line (lines and cols not present in old versions). + * timestamp:user:runas_user:runas_group:tty:lines:cols + * XXX - probably better to use strtok and switch on the state. + */ + buf[strcspn(buf, "\n")] = '\0'; + cp = buf; + + /* timestamp */ + if ((ep = strchr(cp, ':')) == NULL) { + sudo_warn(U_("%s: time stamp field is missing"), iolog_dir); + goto done; + } + *ep = '\0'; + evlog->submit_time.tv_sec = + (time_t)sudo_strtonum(cp, 0, TIME_T_MAX, &errstr); + if (errstr != NULL) { + sudo_warn(U_("%s: time stamp %s: %s"), iolog_dir, cp, errstr); + goto done; + } + + /* submit user */ + cp = ep + 1; + if ((ep = strchr(cp, ':')) == NULL) { + sudo_warn(U_("%s: user field is missing"), iolog_dir); + goto done; + } + if ((evlog->submituser = strndup(cp, (size_t)(ep - cp))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + + /* runas user */ + cp = ep + 1; + if ((ep = strchr(cp, ':')) == NULL) { + sudo_warn(U_("%s: runas user field is missing"), iolog_dir); + goto done; + } + if ((evlog->runuser = strndup(cp, (size_t)(ep - cp))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + + /* runas group */ + cp = ep + 1; + if ((ep = strchr(cp, ':')) == NULL) { + sudo_warn(U_("%s: runas group field is missing"), iolog_dir); + goto done; + } + if (cp != ep) { + if ((evlog->rungroup = strndup(cp, (size_t)(ep - cp))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + } + + /* tty, followed by optional lines + cols */ + cp = ep + 1; + if ((ep = strchr(cp, ':')) == NULL) { + /* just the tty */ + if ((evlog->ttyname = strdup(cp)) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + } else { + /* tty followed by lines + cols */ + if ((evlog->ttyname = strndup(cp, (size_t)(ep - cp))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto done; + } + cp = ep + 1; + /* need to NULL out separator to use sudo_strtonum() */ + /* XXX - use sudo_strtonumx */ + if ((ep = strchr(cp, ':')) != NULL) { + *ep = '\0'; + } + evlog->lines = (int)sudo_strtonum(cp, 1, INT_MAX, &errstr); + if (errstr != NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: tty lines %s: %s", iolog_dir, cp, errstr); + } + if (ep != NULL) { + cp = ep + 1; + evlog->columns = (int)sudo_strtonum(cp, 1, INT_MAX, &errstr); + if (errstr != NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: tty cols %s: %s", iolog_dir, cp, errstr); + } + } + } + + ret = true; + +done: + free(buf); + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_loginfo.c b/lib/iolog/iolog_loginfo.c new file mode 100644 index 0000000..3527cce --- /dev/null +++ b/lib/iolog/iolog_loginfo.c @@ -0,0 +1,238 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <unistd.h> +#include <fcntl.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_json.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +struct eventlog * +iolog_parse_loginfo(int dfd, const char *iolog_dir) +{ + struct eventlog *evlog = NULL; + FILE *fp = NULL; + int fd = -1; + int tmpfd = -1; + bool ok, legacy = false; + debug_decl(iolog_parse_loginfo, SUDO_DEBUG_UTIL); + + if (dfd == -1) { + if ((tmpfd = open(iolog_dir, O_RDONLY)) == -1) { + sudo_warn("%s", iolog_dir); + goto bad; + } + dfd = tmpfd; + } + if ((fd = openat(dfd, "log.json", O_RDONLY, 0)) == -1) { + fd = openat(dfd, "log", O_RDONLY, 0); + legacy = true; + } + if (tmpfd != -1) + close(tmpfd); + if (fd == -1 || (fp = fdopen(fd, "r")) == NULL) { + sudo_warn("%s/log", iolog_dir); + goto bad; + } + fd = -1; + + if ((evlog = calloc(1, sizeof(*evlog))) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + goto bad; + } + evlog->runuid = (uid_t)-1; + evlog->rungid = (gid_t)-1; + evlog->exit_value = -1; + + ok = legacy ? iolog_parse_loginfo_legacy(fp, iolog_dir, evlog) : + iolog_parse_loginfo_json(fp, iolog_dir, evlog); + if (ok) { + fclose(fp); + debug_return_ptr(evlog); + } + +bad: + if (fd != -1) + close(fd); + if (fp != NULL) + fclose(fp); + eventlog_free(evlog); + debug_return_ptr(NULL); +} + +/* + * Write the legacy I/O log file that contains the user and command info. + * This file is not compressed. + */ +static bool +iolog_write_info_file_legacy(int dfd, struct eventlog *evlog) +{ + char * const *av; + FILE *fp; + int error, fd; + debug_decl(iolog_info_write_log, SUDO_DEBUG_UTIL); + + fd = iolog_openat(dfd, "log", O_CREAT|O_TRUNC|O_WRONLY); + if (fd == -1 || (fp = fdopen(fd, "w")) == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to %sopen %s/log", fd == -1 ? "" : "fd", evlog->iolog_path); + if (fd != -1) + close(fd); + debug_return_bool(false); + } + if (fchown(fd, iolog_get_uid(), iolog_get_gid()) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to fchown %d:%d %s/log", __func__, + (int)iolog_get_uid(), (int)iolog_get_gid(), evlog->iolog_path); + } + + fprintf(fp, "%lld:%s:%s:%s:%s:%d:%d\n%s\n", + (long long)evlog->submit_time.tv_sec, + evlog->submituser ? evlog->submituser : "unknown", + evlog->runuser ? evlog->runuser : RUNAS_DEFAULT, + evlog->rungroup ? evlog->rungroup : "", + evlog->ttyname ? evlog->ttyname : "unknown", + evlog->lines, evlog->columns, + evlog->cwd ? evlog->cwd : "unknown"); + fputs(evlog->command ? evlog->command : "unknown", fp); + for (av = evlog->runargv + 1; *av != NULL; av++) { + fputc(' ', fp); + fputs(*av, fp); + } + fputc('\n', fp); + fflush(fp); + if ((error = ferror(fp))) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to write to I/O log file %s/log", evlog->iolog_path); + } + fclose(fp); + + debug_return_bool(!error); +} + +/* + * Write the "log.json" file that contains the user and command info. + * This file is not compressed. + */ +static bool +iolog_write_info_file_json(int dfd, struct eventlog *evlog) +{ + struct json_container jsonc; + struct json_value json_value; + bool ret = false; + FILE *fp = NULL; + int fd = -1; + debug_decl(iolog_write_info_file_json, SUDO_DEBUG_UTIL); + + if (!sudo_json_init(&jsonc, 4, false, false, false)) + debug_return_bool(false); + + /* Timestamp */ + if (!sudo_json_open_object(&jsonc, "timestamp")) + goto oom; + + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->submit_time.tv_sec; + if (!sudo_json_add_value(&jsonc, "seconds", &json_value)) + goto oom; + + json_value.type = JSON_NUMBER; + json_value.u.number = evlog->submit_time.tv_nsec; + if (!sudo_json_add_value(&jsonc, "nanoseconds", &json_value)) + goto oom; + + if (!sudo_json_close_object(&jsonc)) + goto oom; + + if (!eventlog_store_json(&jsonc, evlog)) + goto done; + + fd = iolog_openat(dfd, "log.json", O_CREAT|O_TRUNC|O_WRONLY); + if (fd == -1 || (fp = fdopen(fd, "w")) == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to %sopen %s/log.json", fd == -1 ? "" : "fd", + evlog->iolog_path); + goto done; + } + if (fchown(fd, iolog_get_uid(), iolog_get_gid()) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to fchown %d:%d %s/log.json", __func__, + (int)iolog_get_uid(), (int)iolog_get_gid(), evlog->iolog_path); + } + fd = -1; + + fprintf(fp, "{%s\n}\n", sudo_json_get_buf(&jsonc)); + fflush(fp); + if (ferror(fp)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to write to I/O log file %s/log.json", evlog->iolog_path); + goto done; + } + + ret = true; + goto done; + +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); +done: + sudo_json_free(&jsonc); + if (fp != NULL) + fclose(fp); + if (fd != -1) + close(fd); + + debug_return_bool(ret); +} + +/* + * Write the I/O log and log.json files that contain user and command info. + * These files are not compressed. + */ +bool +iolog_write_info_file(int dfd, struct eventlog *evlog) +{ + debug_decl(iolog_write_info_file, SUDO_DEBUG_UTIL); + + if (!iolog_write_info_file_legacy(dfd, evlog)) + debug_return_bool(false); + if (!iolog_write_info_file_json(dfd, evlog)) + debug_return_bool(false); + + debug_return_bool(true); +} diff --git a/lib/iolog/iolog_mkdirs.c b/lib/iolog/iolog_mkdirs.c new file mode 100644 index 0000000..2c69e84 --- /dev/null +++ b/lib/iolog/iolog_mkdirs.c @@ -0,0 +1,145 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +/* + * Create directory and any parent directories as needed. + */ +bool +iolog_mkdirs(const char *path) +{ + const mode_t iolog_filemode = iolog_get_file_mode(); + const mode_t iolog_dirmode = iolog_get_dir_mode(); + const uid_t iolog_uid = iolog_get_uid(); + const gid_t iolog_gid = iolog_get_gid(); + bool ok = true, uid_changed = false; + struct stat sb; + mode_t omask; + int dfd; + debug_decl(iolog_mkdirs, SUDO_DEBUG_UTIL); + + dfd = open(path, O_RDONLY|O_NONBLOCK); + if (dfd == -1 && errno == EACCES) { + /* Try again as the I/O log owner (for NFS). */ + if (iolog_swapids(false)) { + dfd = open(path, O_RDONLY|O_NONBLOCK); + if (!iolog_swapids(true)) { + ok = false; + goto done; + } + } + } + if (dfd != -1 && fstat(dfd, &sb) != -1) { + if (S_ISDIR(sb.st_mode)) { + if (sb.st_uid != iolog_uid || sb.st_gid != iolog_gid) { + if (fchown(dfd, iolog_uid, iolog_gid) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to chown %d:%d %s", __func__, + (int)iolog_uid, (int)iolog_gid, path); + } + } + if ((sb.st_mode & ALLPERMS) != iolog_dirmode) { + if (fchmod(dfd, iolog_dirmode) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to chmod 0%o %s", __func__, + (int)iolog_dirmode, path); + } + } + } else { + sudo_warnx(U_("%s exists but is not a directory (0%o)"), + path, (unsigned int) sb.st_mode); + errno = ENOTDIR; + ok = false; + } + goto done; + } + + /* umask must not be more restrictive than the file modes. */ + omask = umask(ACCESSPERMS & ~(iolog_filemode|iolog_dirmode)); + + ok = false; + if (dfd != -1) + close(dfd); + dfd = sudo_open_parent_dir(path, iolog_uid, iolog_gid, iolog_dirmode, true); + if (dfd == -1 && errno == EACCES) { + /* Try again as the I/O log owner (for NFS). */ + uid_changed = iolog_swapids(false); + if (uid_changed) + dfd = sudo_open_parent_dir(path, (uid_t)-1, (gid_t)-1, + iolog_dirmode, false); + } + if (dfd != -1) { + /* Create final path component. */ + const char *base = sudo_basename(path); + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "mkdir %s, mode 0%o", path, (unsigned int) iolog_dirmode); + ok = mkdirat(dfd, base, iolog_dirmode) == 0 || errno == EEXIST; + if (!ok) { + if (errno == EACCES && !uid_changed) { + /* Try again as the I/O log owner (for NFS). */ + uid_changed = iolog_swapids(false); + if (uid_changed) + ok = mkdirat(dfd, base, iolog_dirmode) == 0 || errno == EEXIST; + } + if (!ok) + sudo_warn(U_("unable to mkdir %s"), path); + } else { + if (fchownat(dfd, base, iolog_uid, iolog_gid, AT_SYMLINK_NOFOLLOW) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to chown %d:%d %s", __func__, + (int)iolog_uid, (int)iolog_gid, path); + } + } + } + if (uid_changed) { + if (!iolog_swapids(true)) + ok = false; + } + + umask(omask); + +done: + if (dfd != -1) + close(dfd); + debug_return_bool(ok); +} diff --git a/lib/iolog/iolog_mkdtemp.c b/lib/iolog/iolog_mkdtemp.c new file mode 100644 index 0000000..6ac9c8f --- /dev/null +++ b/lib/iolog/iolog_mkdtemp.c @@ -0,0 +1,100 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <time.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_util.h> +#include <sudo_iolog.h> + +/* + * Create temporary directory and any parent directories as needed. + */ +bool +iolog_mkdtemp(char *path) +{ + const mode_t iolog_filemode = iolog_get_file_mode(); + const mode_t iolog_dirmode = iolog_get_dir_mode(); + const uid_t iolog_uid = iolog_get_uid(); + const gid_t iolog_gid = iolog_get_gid(); + bool ok = false, uid_changed = false; + char *dir = sudo_basename(path); + mode_t omask; + int dfd; + debug_decl(iolog_mkdtemp, SUDO_DEBUG_UTIL); + + /* umask must not be more restrictive than the file modes. */ + omask = umask(ACCESSPERMS & ~(iolog_filemode|iolog_dirmode)); + + dfd = sudo_open_parent_dir(path, iolog_uid, iolog_gid, iolog_dirmode, true); + if (dfd == -1 && errno == EACCES) { + /* Try again as the I/O log owner (for NFS). */ + uid_changed = iolog_swapids(false); + if (uid_changed) + dfd = sudo_open_parent_dir(path, (uid_t)-1, (gid_t)-1, + iolog_dirmode, false); + } + if (dfd != -1) { + /* Create final path component. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "mkdtemp %s", path); + /* We cannot retry mkdtemp() so always open as iolog user */ + if (!uid_changed) + uid_changed = iolog_swapids(false); + if (mkdtempat(dfd, dir) == NULL) { + sudo_warn(U_("unable to mkdir %s"), path); + ok = false; + } else { + if (fchmodat(dfd, dir, iolog_dirmode, 0) != 0) { + /* Not a fatal error, pre-existing mode is 0700. */ + sudo_warn(U_("unable to change mode of %s to 0%o"), + path, (unsigned int)iolog_dirmode); + } + ok = true; + } + close(dfd); + } + + umask(omask); + + if (uid_changed) { + if (!iolog_swapids(true)) + ok = false; + } + debug_return_bool(ok); +} diff --git a/lib/iolog/iolog_mkpath.c b/lib/iolog/iolog_mkpath.c new file mode 100644 index 0000000..75a79e1 --- /dev/null +++ b/lib/iolog/iolog_mkpath.c @@ -0,0 +1,65 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Create path and any intermediate directories. + * If path ends in 'XXXXXX', use mkdtemp(). + */ +bool +iolog_mkpath(char *path) +{ + size_t len; + bool ret; + debug_decl(iolog_mkpath, SUDO_DEBUG_UTIL); + + /* + * Create path and intermediate subdirs as needed. + * If path ends in at least 6 Xs (ala POSIX mktemp), use mkdtemp(). + * Sets iolog_gid (if it is not already set) as a side effect. + */ + len = strlen(path); + if (len >= 6 && strcmp(&path[len - 6], "XXXXXX") == 0) + ret = iolog_mkdtemp(path); + else + ret = iolog_mkdirs(path); + + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, "iolog path %s", path); + + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_nextid.c b/lib/iolog/iolog_nextid.c new file mode 100644 index 0000000..3cc1609 --- /dev/null +++ b/lib/iolog/iolog_nextid.c @@ -0,0 +1,151 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +/* + * Read the on-disk sequence number, set sessid to the next + * number, and update the on-disk copy. + * Uses file locking to avoid sequence number collisions. + */ +bool +iolog_nextid(const char *iolog_dir, char sessid[7]) +{ + char buf[32], *ep; + int i, fd = -1; + unsigned long id = 0; + size_t len; + ssize_t nread; + bool ret = false; + char pathbuf[PATH_MAX]; + static const char b36char[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + const uid_t iolog_uid = iolog_get_uid(); + const gid_t iolog_gid = iolog_get_gid(); + debug_decl(iolog_nextid, SUDO_DEBUG_UTIL); + + /* + * Create I/O log directory if it doesn't already exist. + */ + len = strlcpy(pathbuf, iolog_dir, sizeof(pathbuf)); + if (len >= sizeof(pathbuf)) { + errno = ENAMETOOLONG; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: %s", __func__, iolog_dir); + goto done; + } + if (!iolog_mkdirs(pathbuf)) + goto done; + + /* + * Open sequence file + */ + len = strlcat(pathbuf, "/seq", sizeof(pathbuf)); + if (len >= sizeof(pathbuf)) { + errno = ENAMETOOLONG; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: %s/seq", __func__, iolog_dir); + goto done; + } + fd = iolog_openat(AT_FDCWD, pathbuf, O_RDWR|O_CREAT); + if (fd == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to open %s", __func__, pathbuf); + goto done; + } + if (!sudo_lock_file(fd, SUDO_LOCK)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to lock %s", pathbuf); + goto done; + } + if (fchown(fd, iolog_uid, iolog_gid) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to fchown %d:%d %s", __func__, + (int)iolog_uid, (int)iolog_gid, pathbuf); + } + + /* Read current seq number (base 36). */ + nread = read(fd, buf, sizeof(buf) - 1); + if (nread != 0) { + if (nread == -1) { + goto done; + } + if (buf[nread - 1] == '\n') + nread--; + buf[nread] = '\0'; + id = strtoul(buf, &ep, 36); + if (ep == buf || *ep != '\0' || id >= iolog_get_maxseq()) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: bad sequence number: %s", pathbuf, buf); + id = 0; + } + } + id++; + + /* + * Convert id to a string and stash in sessid. + * Note that that least significant digits go at the end of the string. + */ + for (i = 5; i >= 0; i--) { + buf[i] = b36char[id % 36]; + id /= 36; + } + buf[6] = '\n'; + + /* Stash id for logging purposes. */ + memcpy(sessid, buf, 6); + sessid[6] = '\0'; + + /* Rewind and overwrite old seq file, including the NUL byte. */ + if (pwrite(fd, buf, 7, 0) != 7) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to write %s", __func__, pathbuf); + goto done; + } + ret = true; + +done: + if (fd != -1) + close(fd); + debug_return_bool(ret); +} diff --git a/lib/iolog/iolog_open.c b/lib/iolog/iolog_open.c new file mode 100644 index 0000000..24e19d8 --- /dev/null +++ b/lib/iolog/iolog_open.c @@ -0,0 +1,127 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <errno.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +static unsigned char const gzip_magic[2] = {0x1f, 0x8b}; + +/* + * Open the specified I/O log file and store in iol. + * Stores the open file handle which has the close-on-exec flag set. + */ +bool +iolog_open(struct iolog_file *iol, int dfd, int iofd, const char *mode) +{ + int flags; + const char *file; + unsigned char magic[2]; + const uid_t iolog_uid = iolog_get_uid(); + const gid_t iolog_gid = iolog_get_gid(); + debug_decl(iolog_open, SUDO_DEBUG_UTIL); + + if (mode[0] == 'r') { + flags = mode[1] == '+' ? O_RDWR : O_RDONLY; + } else if (mode[0] == 'w') { + flags = O_CREAT|O_TRUNC; + flags |= mode[1] == '+' ? O_RDWR : O_WRONLY; + } else { + sudo_debug_printf(SUDO_DEBUG_ERROR, + "%s: invalid I/O mode %s", __func__, mode); + debug_return_bool(false); + } + if ((file = iolog_fd_to_name(iofd)) == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR, + "%s: invalid iofd %d", __func__, iofd); + debug_return_bool(false); + } + + iol->writable = false; + iol->compressed = false; + if (iol->enabled) { + int fd = iolog_openat(dfd, file, flags); + if (fd != -1) { + if (*mode == 'w') { + if (fchown(fd, iolog_uid, iolog_gid) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to fchown %d:%d %s", __func__, + (int)iolog_uid, (int)iolog_gid, file); + } + iol->compressed = iolog_get_compress(); + } else { + /* check for gzip magic number */ + if (pread(fd, magic, sizeof(magic), 0) == ssizeof(magic)) { + if (magic[0] == gzip_magic[0] && magic[1] == gzip_magic[1]) + iol->compressed = true; + } + } + if (fcntl(fd, F_SETFD, FD_CLOEXEC) != -1) { +#ifdef HAVE_ZLIB_H + if (iol->compressed) + iol->fd.g = gzdopen(fd, mode); + else +#endif + iol->fd.f = fdopen(fd, mode); + } + if (iol->fd.v != NULL) { + switch ((flags & O_ACCMODE)) { + case O_WRONLY: + case O_RDWR: + iol->writable = true; + break; + } + } else { + int save_errno = errno; + close(fd); + errno = save_errno; + fd = -1; + } + } + if (fd == -1) { + iol->enabled = false; + debug_return_bool(false); + } + } else { + if (*mode == 'w') { + /* Remove old log file in case we recycled sequence numbers. */ + (void)unlinkat(dfd, file, 0); + } + } + debug_return_bool(true); +} diff --git a/lib/iolog/iolog_openat.c b/lib/iolog/iolog_openat.c new file mode 100644 index 0000000..75146a5 --- /dev/null +++ b/lib/iolog/iolog_openat.c @@ -0,0 +1,90 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +/* + * Wrapper for openat(2) that sets umask and retries as iolog_uid/iolog_gid + * if openat(2) returns EACCES. + */ +int +iolog_openat(int dfd, const char *path, int flags) +{ + const mode_t iolog_filemode = iolog_get_file_mode(); + const mode_t iolog_dirmode = iolog_get_dir_mode(); + mode_t omask = S_IRWXG|S_IRWXO; + int fd; + debug_decl(iolog_openat, SUDO_DEBUG_UTIL); + + if (ISSET(flags, O_CREAT)) { + /* umask must not be more restrictive than the file modes. */ + omask = umask(ACCESSPERMS & ~(iolog_filemode|iolog_dirmode)); + } + fd = openat(dfd, path, flags, iolog_filemode); + if (fd == -1 && errno == EACCES) { + /* Enable write bit if it is missing. */ + struct stat sb; + if (fstatat(dfd, path, &sb, 0) == 0) { + mode_t write_bits = iolog_filemode & (S_IWUSR|S_IWGRP|S_IWOTH); + if ((sb.st_mode & write_bits) != write_bits) { + if (fchmodat(dfd, path, iolog_filemode, 0) == 0) + fd = openat(dfd, path, flags, iolog_filemode); + } + } + } + if (fd == -1 && errno == EACCES) { + /* Try again as the I/O log owner (for NFS). */ + if (iolog_swapids(false)) { + fd = openat(dfd, path, flags, iolog_filemode); + if (!iolog_swapids(true)) { + /* iolog_swapids() warns on error. */ + if (fd != -1) { + close(fd); + fd = -1; + } + } + } + } + if (ISSET(flags, O_CREAT)) + umask(omask); + debug_return_int(fd); +} diff --git a/lib/iolog/iolog_path.c b/lib/iolog/iolog_path.c new file mode 100644 index 0000000..ef018e1 --- /dev/null +++ b/lib/iolog/iolog_path.c @@ -0,0 +1,130 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <limits.h> +#include <time.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +/* + * Expand any escape sequences in inpath, returning the expanded path. + */ +bool +expand_iolog_path(const char *inpath, char *path, size_t pathlen, + const struct iolog_path_escape *escapes, void *closure) +{ + char *dst, *pathend, tmpbuf[PATH_MAX]; + const char *endbrace, *src; + bool strfit = false; + size_t len; + debug_decl(expand_iolog_path, SUDO_DEBUG_UTIL); + + /* Collapse multiple leading slashes. */ + while (inpath[0] == '/' && inpath[1] == '/') + inpath++; + + pathend = path + pathlen; + for (src = inpath, dst = path; *src != '\0'; src++) { + if (src[0] == '%') { + if (src[1] == '{') { + endbrace = strchr(src + 2, '}'); + if (endbrace != NULL) { + const struct iolog_path_escape *esc; + len = (size_t)(endbrace - src - 2); + for (esc = escapes; esc->name != NULL; esc++) { + if (strncmp(src + 2, esc->name, len) == 0 && + esc->name[len] == '\0') + break; + } + if (esc->name != NULL) { + len = esc->copy_fn(dst, (size_t)(pathend - dst), + closure); + if (len >= (size_t)(pathend - dst)) + goto bad; + dst += len; + src = endbrace; + continue; + } + } + } else if (src[1] == '%') { + /* Collapse %% -> % */ + src++; + } else { + /* May need strftime() */ + strfit = true; + } + } + /* Need at least 2 chars, including the NUL terminator. */ + if (dst + 1 >= pathend) + goto bad; + *dst++ = *src; + } + + /* Trim trailing slashes and NUL terminate. */ + while (dst > path && dst[-1] == '/') + dst--; + *dst = '\0'; + + /* Expand strftime escapes as needed. */ + if (strfit) { + struct tm tm; + time_t now; + + time(&now); + if (localtime_r(&now, &tm) == NULL) + goto bad; + + /* We only call strftime() on the current part of the buffer. */ + tmpbuf[sizeof(tmpbuf) - 1] = '\0'; + len = strftime(tmpbuf, sizeof(tmpbuf), path, &tm); + + if (len == 0 || tmpbuf[sizeof(tmpbuf) - 1] != '\0') + goto bad; /* strftime() failed, buf too small? */ + + if (len >= (size_t)(pathend - path)) + goto bad; /* expanded buffer too big to fit. */ + memcpy(path, tmpbuf, len); + dst = path + len; + *dst = '\0'; + } + + debug_return_bool(true); +bad: + debug_return_bool(false); +} diff --git a/lib/iolog/iolog_read.c b/lib/iolog/iolog_read.c new file mode 100644 index 0000000..013ecaa --- /dev/null +++ b/lib/iolog/iolog_read.c @@ -0,0 +1,79 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Read from a (possibly compressed) I/O log file. + */ +ssize_t +iolog_read(struct iolog_file *iol, void *buf, size_t nbytes, + const char **errstr) +{ + ssize_t nread; + debug_decl(iolog_read, SUDO_DEBUG_UTIL); + + if (nbytes > UINT_MAX || nbytes > SSIZE_MAX) { // -V590 + errno = EINVAL; + if (errstr != NULL) + *errstr = strerror(errno); + debug_return_ssize_t(-1); + } + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + if ((nread = gzread(iol->fd.g, buf, (unsigned int)nbytes)) == -1) { + if (errstr != NULL) { + int errnum; + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + } + } else +#endif + { + nread = (ssize_t)fread(buf, 1, nbytes, iol->fd.f); + if (nread <= 0 && ferror(iol->fd.f)) { + nread = -1; + if (errstr != NULL) + *errstr = strerror(errno); + } + } + debug_return_ssize_t(nread); +} diff --git a/lib/iolog/iolog_seek.c b/lib/iolog/iolog_seek.c new file mode 100644 index 0000000..d08799a --- /dev/null +++ b/lib/iolog/iolog_seek.c @@ -0,0 +1,69 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * I/O log wrapper for fseek/gzseek. + */ +off_t +iolog_seek(struct iolog_file *iol, off_t offset, int whence) +{ + off_t ret; + //debug_decl(iolog_seek, SUDO_DEBUG_UTIL); + +#ifdef HAVE_ZLIB_H + if (iol->compressed) + ret = gzseek(iol->fd.g, offset, whence); + else +#endif + ret = fseeko(iol->fd.f, offset, whence); + + //debug_return_off_t(ret); + return ret; +} + +/* + * I/O log wrapper for rewind/gzrewind. + */ +void +iolog_rewind(struct iolog_file *iol) +{ + debug_decl(iolog_rewind, SUDO_DEBUG_UTIL); + +#ifdef HAVE_ZLIB_H + if (iol->compressed) + (void)gzrewind(iol->fd.g); + else +#endif + rewind(iol->fd.f); + + debug_return; +} diff --git a/lib/iolog/iolog_swapids.c b/lib/iolog/iolog_swapids.c new file mode 100644 index 0000000..d55123b --- /dev/null +++ b/lib/iolog/iolog_swapids.c @@ -0,0 +1,102 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <time.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> + +/* + * Set effective user and group-IDs to iolog_uid and iolog_gid. + * If restore flag is set, swap them back. + */ +bool +iolog_swapids(bool restore) +{ +#ifdef HAVE_SETEUID + static uid_t user_euid = (uid_t)-1; + static gid_t user_egid = (gid_t)-1; + const uid_t iolog_uid = iolog_get_uid(); + const gid_t iolog_gid = iolog_get_gid(); + debug_decl(io_swapids, SUDO_DEBUG_UTIL); + + if (user_euid == (uid_t)-1) + user_euid = geteuid(); + if (user_egid == (gid_t)-1) + user_egid = getegid(); + + if (user_euid == iolog_uid && user_egid == iolog_gid) { + sudo_debug_printf(SUDO_DEBUG_NOTICE, + "%s: effective uid/gid matches iolog uid/gid, nothing to do", + __func__); + debug_return_bool(true); + } + + if (restore) { + if (seteuid(user_euid) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to restore effective uid to %d", __func__, + (int)user_euid); + sudo_warn("seteuid() %d -> %d", (int)iolog_uid, (int)user_euid); + debug_return_bool(false); + } + if (setegid(user_egid) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to restore effective gid to %d", __func__, + (int)user_egid); + sudo_warn("setegid() %d -> %d", (int)iolog_gid, (int)user_egid); + debug_return_bool(false); + } + } else { + /* Fail silently if the user has insufficient privileges. */ + if (setegid(iolog_gid) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to set effective gid to %d", __func__, + (int)iolog_gid); + debug_return_bool(false); + } + if (seteuid(iolog_uid) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to set effective uid to %d", __func__, + (int)iolog_uid); + debug_return_bool(false); + } + } + debug_return_bool(true); +#else + return false; +#endif +} diff --git a/lib/iolog/iolog_timing.c b/lib/iolog/iolog_timing.c new file mode 100644 index 0000000..c933b4c --- /dev/null +++ b/lib/iolog/iolog_timing.c @@ -0,0 +1,273 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <signal.h> +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <limits.h> +#include <fcntl.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +static int timing_event_adj; + +void +iolog_adjust_delay(struct timespec *delay, struct timespec *max_delay, + double scale_factor) +{ + debug_decl(iolog_adjust_delay, SUDO_DEBUG_UTIL); + + if (scale_factor != 1.0) { + /* Order is important: we don't want to double the remainder. */ + const double seconds = (double)delay->tv_sec / scale_factor; + const double nseconds = (double)delay->tv_nsec / scale_factor; + delay->tv_sec = (time_t)seconds; + delay->tv_nsec = (long)nseconds; + delay->tv_nsec += (long)((seconds - (double)delay->tv_sec) * 1000000000); + while (delay->tv_nsec >= 1000000000) { + delay->tv_sec++; + delay->tv_nsec -= 1000000000; + } + } + + /* Clamp to max delay. */ + if (max_delay != NULL) { + if (sudo_timespeccmp(delay, max_delay, >)) { + delay->tv_sec = max_delay->tv_sec; + delay->tv_nsec = max_delay->tv_nsec; + } + } + + debug_return; +} + +/* + * Parse the delay as seconds and nanoseconds: %lld.%09ld + * Sudo used to write this as a double, but since timing data is logged + * in the C locale this may not match the current locale. + */ +char * +iolog_parse_delay(const char *cp, struct timespec *delay, + const char *decimal_point) +{ + char numbuf[STRLEN_MAX_SIGNED(long long) + 1]; + const char *errstr, *ep; + long long llval; + size_t len; + debug_decl(iolog_parse_delay, SUDO_DEBUG_UTIL); + + /* Parse seconds (whole number portion). */ + for (ep = cp; isdigit((unsigned char)*ep); ep++) + continue; + len = (size_t)(ep - cp); + if (len >= sizeof(numbuf)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: number of seconds is too large", cp); + debug_return_ptr(NULL); + } + memcpy(numbuf, cp, len); + numbuf[len] = '\0'; + delay->tv_sec = (time_t)sudo_strtonum(numbuf, 0, TIME_T_MAX, &errstr); + if (errstr != NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: number of seconds is %s", numbuf, errstr); + debug_return_ptr(NULL); + } + + /* Radix may be in user's locale for sudo < 1.7.4 so accept that too. */ + if (*ep != '.' && *ep != *decimal_point) { + if (*ep == '\0' || isspace((unsigned char)*ep)) { + /* No fractional part. */ + delay->tv_nsec = 0; + goto done; + } + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "invalid characters after seconds: %s", ep); + debug_return_ptr(NULL); + } + cp = ep + 1; + + /* Parse fractional part, we may read more precision than we can store. */ + for (ep = cp; isdigit((unsigned char)*ep); ep++) + continue; + len = (size_t)(ep - cp); + if (len >= sizeof(numbuf)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: number of nanoseconds is too large", cp); + debug_return_ptr(NULL); + } + memcpy(numbuf, cp, len); + numbuf[len] = '\0'; + llval = sudo_strtonum(numbuf, 0, LLONG_MAX, &errstr); + if (errstr != NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: number of nanoseconds is %s", numbuf, errstr); + debug_return_ptr(NULL); + } + + /* Adjust fractional part to nanosecond precision. */ + if (len < 9) { + /* Convert to nanosecond precision. */ + do { + llval *= 10; + } while (++len < 9); + } else if (len > 9) { + /* Clamp to nanoseconds. */ + do { + llval /= 10; + } while (--len > 9); + } + delay->tv_nsec = (long)llval; + +done: + /* Advance to the next field. */ + while (isspace((unsigned char)*ep)) + ep++; + + debug_return_str((char *)ep); +} + +/* + * Parse a timing line, which is formatted as: + * IO_EVENT_TTYOUT sleep_time num_bytes + * IO_EVENT_WINSIZE sleep_time lines cols + * IO_EVENT_SUSPEND sleep_time signo + * Where type is IO_EVENT_*, sleep_time is the number of seconds to sleep + * before writing the data and num_bytes is the number of bytes to output. + * Returns true on success and false on failure. + */ +bool +iolog_parse_timing(const char *line, struct timing_closure *timing) +{ + unsigned long ulval; + char *cp, *ep; + debug_decl(iolog_parse_timing, SUDO_DEBUG_UTIL); + + /* Clear iolog descriptor. */ + timing->iol = NULL; + + /* Parse event type. */ + ulval = strtoul(line, &ep, 10); + if (ep == line || !isspace((unsigned char) *ep)) + goto bad; + if (ulval >= IO_EVENT_COUNT) + goto bad; + if (ulval == IO_EVENT_TTYOUT_1_8_7) { + /* work around a bug in timing files generated by sudo 1.8.7 */ + timing_event_adj = 2; + } + timing->event = (int)ulval - timing_event_adj; + for (cp = ep + 1; isspace((unsigned char) *cp); cp++) + continue; + + /* Parse delay, returns the next field or NULL on error. */ + if ((cp = iolog_parse_delay(cp, &timing->delay, timing->decimal)) == NULL) + goto bad; + + switch (timing->event) { + case IO_EVENT_SUSPEND: + /* Signal name (no leading SIG prefix) or number. */ + if (str2sig(cp, &timing->u.signo) == -1) + goto bad; + break; + case IO_EVENT_WINSIZE: + ulval = strtoul(cp, &ep, 10); + if (ep == cp || !isspace((unsigned char) *ep)) + goto bad; + if (ulval > INT_MAX) + goto bad; + timing->u.winsize.lines = (int)ulval; + for (cp = ep + 1; isspace((unsigned char) *cp); cp++) + continue; + + ulval = strtoul(cp, &ep, 10); + if (ep == cp || *ep != '\0') + goto bad; + if (ulval > INT_MAX) + goto bad; + timing->u.winsize.cols = (int)ulval; + break; + default: + errno = 0; + ulval = strtoul(cp, &ep, 10); + if (ep == cp || *ep != '\0') + goto bad; + /* Note: assumes SIZE_MAX == ULONG_MAX */ + if (errno == ERANGE && ulval == ULONG_MAX) + goto bad; + timing->u.nbytes = (size_t)ulval; + break; + } + + debug_return_bool(true); +bad: + debug_return_bool(false); +} + +/* + * Read the next record from the timing file. + * Return 0 on success, 1 on EOF and -1 on error. + */ +int +iolog_read_timing_record(struct iolog_file *iol, struct timing_closure *timing) +{ + char line[LINE_MAX]; + const char *errstr; + debug_decl(iolog_read_timing_record, SUDO_DEBUG_UTIL); + + /* Read next record from timing file. */ + if (iolog_gets(iol, line, sizeof(line), &errstr) == NULL) { + /* EOF or error reading timing file, we are done. */ + if (iolog_eof(iol)) + debug_return_int(1); + sudo_warnx(U_("error reading timing file: %s"), errstr); + debug_return_int(-1); + } + + /* Parse timing file record. */ + line[strcspn(line, "\n")] = '\0'; + if (!iolog_parse_timing(line, timing)) { + sudo_warnx(U_("invalid timing file line: %s"), line); + debug_return_int(-1); + } + + debug_return_int(0); +} diff --git a/lib/iolog/iolog_util.c b/lib/iolog/iolog_util.c new file mode 100644 index 0000000..8ff5b83 --- /dev/null +++ b/lib/iolog/iolog_util.c @@ -0,0 +1,74 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Map IOFD_* -> name. + */ +const char * +iolog_fd_to_name(int iofd) +{ + const char *ret; + debug_decl(iolog_fd_to_name, SUDO_DEBUG_UTIL); + + switch (iofd) { + case IOFD_STDIN: + ret = "stdin"; + break; + case IOFD_STDOUT: + ret = "stdout"; + break; + case IOFD_STDERR: + ret = "stderr"; + break; + case IOFD_TTYIN: + ret = "ttyin"; + break; + case IOFD_TTYOUT: + ret = "ttyout"; + break; + case IOFD_TIMING: + ret = "timing"; + break; + default: + ret = "unknown"; + sudo_debug_printf(SUDO_DEBUG_ERROR, "%s: unexpected iofd %d", + __func__, iofd); + break; + } + debug_return_const_str(ret); +} diff --git a/lib/iolog/iolog_write.c b/lib/iolog/iolog_write.c new file mode 100644 index 0000000..0ce5a81 --- /dev/null +++ b/lib/iolog/iolog_write.c @@ -0,0 +1,105 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_iolog.h> + +/* + * Write to an I/O log, optionally compressing. + */ +ssize_t +iolog_write(struct iolog_file *iol, const void *buf, size_t len, + const char **errstr) +{ + ssize_t ret; + debug_decl(iolog_write, SUDO_DEBUG_UTIL); + + if (len > UINT_MAX || len > SSIZE_MAX) { // -V590 + errno = EINVAL; + if (errstr != NULL) + *errstr = strerror(errno); + debug_return_ssize_t(-1); + } + +#ifdef HAVE_ZLIB_H + if (iol->compressed) { + int errnum; + + ret = gzwrite(iol->fd.g, buf, (unsigned int)len); + if (ret == 0) { + ret = -1; + if (errstr != NULL) { + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + goto done; + } + if (iolog_get_flush()) { + if (gzflush(iol->fd.g, Z_SYNC_FLUSH) != Z_OK) { + ret = -1; + if (errstr != NULL) { + *errstr = gzerror(iol->fd.g, &errnum); + if (errnum == Z_ERRNO) + *errstr = strerror(errno); + } + goto done; + } + } + } else +#endif + { + ret = (ssize_t)fwrite(buf, 1, len, iol->fd.f); + if (ret <= 0) { + ret = -1; + if (errstr != NULL) + *errstr = strerror(errno); + goto done; + } + if (iolog_get_flush()) { + if (fflush(iol->fd.f) != 0) { + ret = -1; + if (errstr != NULL) + *errstr = strerror(errno); + goto done; + } + } + } + +done: + debug_return_ssize_t(ret); +} diff --git a/lib/iolog/regress/corpus/seed/log_json/id.json b/lib/iolog/regress/corpus/seed/log_json/id.json new file mode 100644 index 0000000..5655639 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/id.json @@ -0,0 +1,36 @@ +{ + "timestamp": { + "seconds": 1603746837, + "nanoseconds": 16450063 + }, + "columns": 80, + "command": "/usr/bin/id", + "lines": 24, + "runargv": [ + "id" + ], + "runenv": [ + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "TERM=xterm-color", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/id", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "rungid": 0, + "runcwd": "/usr/src/local/millert/sudo/trunk/lib/eventlog/regress", + "runuser": "root", + "rungroup": "wheel", + "submitcwd": "/usr/src/local/millert/sudo/trunk/lib/eventlog/regress", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypb" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/ls.json b/lib/iolog/regress/corpus/seed/log_json/ls.json new file mode 100644 index 0000000..17c99d8 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/ls.json @@ -0,0 +1,31 @@ +{ + "timestamp": { + "seconds": 1584790549, + "nanoseconds": 782859154 + }, + "columns": 80, + "command": "/bin/ls", + "lines": 24, + "runargv": [ "ls" ], + "runenv": [ + "LANG=en_US.UTF-8", + "TERM=tmux", + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/bin/ls", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/usr/src/local/millert/hg/sudo/1.7", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttyp3" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/mailq.json b/lib/iolog/regress/corpus/seed/log_json/mailq.json new file mode 100644 index 0000000..669090d --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/mailq.json @@ -0,0 +1,31 @@ +{ + "timestamp": { + "seconds": 1584884264, + "nanoseconds": 499794755 + }, + "columns": 80, + "command": "/usr/bin/mailq", + "lines": 24, + "runargv": [ "mailq" ], + "runenv": [ + "LANG=en_US.UTF-8", + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "TERM=tmux", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/mailq", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/home/millert", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttyp3" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/make.json b/lib/iolog/regress/corpus/seed/log_json/make.json new file mode 100644 index 0000000..dcc4736 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/make.json @@ -0,0 +1,36 @@ +{ + "timestamp": { + "seconds": 1584977889, + "nanoseconds": 510217787 + }, + "columns": 80, + "command": "/usr/bin/make", + "lines": 24, + "runargv": [ + "make", + "-C", + "/usr/src/usr.bin/sort", + "install" + ], + "runenv": [ + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "TERM=xterm-color", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/make -C /usr/src/usr.bin/sort install", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/home/millert/tmp/src/usr.bin/sort", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypi" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/pkg_add.json b/lib/iolog/regress/corpus/seed/log_json/pkg_add.json new file mode 100644 index 0000000..bfebc76 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/pkg_add.json @@ -0,0 +1,34 @@ +{ + "timestamp": { + "seconds": 1595281300, + "nanoseconds": 130458256 + }, + "columns": 80, + "command": "/usr/sbin/pkg_add", + "lines": 24, + "runargv": [ + "pkg_add", + "p5-PDF-API2" + ], + "runenv": [ + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "TERM=xterm-color", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/sbin/pkg_add p5-PDF-API2", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/usr/src/local/Music/chordpro", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypd" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/pkg_delete.json b/lib/iolog/regress/corpus/seed/log_json/pkg_delete.json new file mode 100644 index 0000000..f0e4fba --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/pkg_delete.json @@ -0,0 +1,34 @@ +{ + "timestamp": { + "seconds": 1595620314, + "nanoseconds": 965982512 + }, + "columns": 80, + "command": "/usr/sbin/pkg_delete", + "lines": 24, + "runargv": [ + "pkg_delete", + "chordpro" + ], + "runenv": [ + "PATH=/home/millert/bin/OpenBSD.amd64:/home/millert/bin:/home/millert/bin/scripts:/home/millert/node_modules/.bin:/usr/local/gnu/bin:/usr/local/bin:/usr/local/sbin:/usr/local/etc:/usr/local/rcs/bin:/usr/local/nmh/bin:/usr/local/news/bin:/usr/local/emacs/bin:/usr/local/netpbm/bin:/usr/local/mtools/bin:/usr/local/netscape/bin:/usr/local/ghostscript/bin:/usr/local/frame-5.5.6/bin:/usr/local/teTeX/bin:/usr/local/cvs-1.10.1/bin:/usr/local/games/bin:/usr/local/archivers/bin:/usr/local/skey/bin:/usr/local/audio/bin:/usr/local/rtty/bin:/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/X11R6/bin:/usr/local/bin:/usr/obj/bin:/usr/src/bin", + "TERM=xterm-color", + "LANG=en_US.UTF-8", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/sbin/pkg_delete chordpro", + "SUDO_USER=millert", + "SUDO_UID=8036", + "SUDO_GID=20", + "KRB5CCNAME=bogus" + ], + "runuid": 0, + "runuser": "root", + "submitcwd": "/usr/ports/textproc/chordpro/pkg", + "submithost": "xerxes.sudo.ws", + "submituser": "millert", + "ttyname": "/dev/ttypd" +} diff --git a/lib/iolog/regress/corpus/seed/log_json/printenv.json b/lib/iolog/regress/corpus/seed/log_json/printenv.json new file mode 100644 index 0000000..6e78719 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_json/printenv.json @@ -0,0 +1,34 @@ +{ + "timestamp": { + "seconds": 1601411718, + "nanoseconds": 269131020 + }, + "columns": 80, + "command": "/usr/bin/printenv", + "lines": 24, + "runargv": [ + "/usr/bin/printenv" + ], + "runenv": [ + "KRB5CCNAME=bogus", + "LANG=en_US.UTF-8", + "PATH=/tmp", + "TERM=xterm-color", + "MAIL=/var/mail/root", + "LOGNAME=root", + "USER=root", + "HOME=/root", + "SHELL=/bin/ksh", + "SUDO_COMMAND=/usr/bin/printenv", + "SUDO_USER=testdude", + "SUDO_UID=1000", + "SUDO_GID=1000" + ], + "runuid": 0, + "runcwd": "/usr/src/local/millert/sudo/trunk/plugins/sudoers", + "runuser": "root", + "submitcwd": "/usr/src/local/millert/sudo/trunk/plugins/sudoers", + "submithost": "xerxes.sudo.ws", + "submituser": "testdude", + "ttyname": "/dev/ttypb" +} diff --git a/lib/iolog/regress/corpus/seed/log_legacy/id.log b/lib/iolog/regress/corpus/seed/log_legacy/id.log new file mode 100644 index 0000000..e59965e --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/id.log @@ -0,0 +1,3 @@ +1603746837:millert:root::/dev/ttypb:24:80 +/usr/src/local/millert/sudo/trunk/lib/eventlog/regress +/usr/bin/id diff --git a/lib/iolog/regress/corpus/seed/log_legacy/less.log b/lib/iolog/regress/corpus/seed/log_legacy/less.log new file mode 100644 index 0000000..66e2929 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/less.log @@ -0,0 +1,3 @@ +1611859113:bob:bob:ldap:/dev/console:24:80 +/var/tmp +/usr/bin/less /etc/ldapd.conf diff --git a/lib/iolog/regress/corpus/seed/log_legacy/ls.log b/lib/iolog/regress/corpus/seed/log_legacy/ls.log new file mode 100644 index 0000000..808605c --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/ls.log @@ -0,0 +1,3 @@ +1584790549:millert:root::/dev/ttyp3:24:80 +/usr/src/local/millert/hg/sudo/1.7 +/bin/ls diff --git a/lib/iolog/regress/corpus/seed/log_legacy/mailq.log b/lib/iolog/regress/corpus/seed/log_legacy/mailq.log new file mode 100644 index 0000000..9b1fdd6 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/mailq.log @@ -0,0 +1,3 @@ +1584884264:millert:root::/dev/ttyp3:24:80 +/home/millert +/usr/bin/mailq diff --git a/lib/iolog/regress/corpus/seed/log_legacy/make.log b/lib/iolog/regress/corpus/seed/log_legacy/make.log new file mode 100644 index 0000000..c27798a --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/make.log @@ -0,0 +1,3 @@ +1584977889:millert:root::/dev/ttypi:24:80 +/home/millert/tmp/src/usr.bin/sort +/usr/bin/make -C /usr/src/usr.bin/sort install diff --git a/lib/iolog/regress/corpus/seed/log_legacy/pkg_add.log b/lib/iolog/regress/corpus/seed/log_legacy/pkg_add.log new file mode 100644 index 0000000..78358e7 --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/pkg_add.log @@ -0,0 +1,3 @@ +1595281300:millert:root::/dev/ttypd:24:80 +/usr/src/local/Music/chordpro +/usr/sbin/pkg_add p5-PDF-API2 diff --git a/lib/iolog/regress/corpus/seed/log_legacy/pkg_delete.log b/lib/iolog/regress/corpus/seed/log_legacy/pkg_delete.log new file mode 100644 index 0000000..ce0899a --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/pkg_delete.log @@ -0,0 +1,3 @@ +1595620314:millert:root::/dev/ttypd:24:80 +/usr/ports/textproc/chordpro/pkg +/usr/sbin/pkg_delete chordpro diff --git a/lib/iolog/regress/corpus/seed/log_legacy/printenv.log b/lib/iolog/regress/corpus/seed/log_legacy/printenv.log new file mode 100644 index 0000000..dbc739a --- /dev/null +++ b/lib/iolog/regress/corpus/seed/log_legacy/printenv.log @@ -0,0 +1,3 @@ +1601411718:testdude:root::/dev/ttypb:24:80 +/usr/src/local/millert/sudo/trunk/plugins/sudoers +/usr/bin/printenv diff --git 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0.001361477 TSTP +7 2.677917273 CONT +4 0.001090445 7 +4 0.000695543 914 +3 1.566157098 1 +3 0.130276992 1 +4 0.003990123 27 +3 0.201715122 1 +4 0.000382345 105 +3 0.239728138 1 +4 0.000703854 15 +3 0.183585413 1 +4 0.001608753 22 +3 0.198057579 1 +4 0.000422730 37 +3 0.167314657 1 +4 0.101159452 31 +3 0.043125007 1 +4 0.000340134 16 +3 0.167883234 1 +3 0.056208548 1 +4 0.001792780 28 +3 0.317497649 1 +4 0.000387046 17 +3 0.103776317 1 +4 0.000373976 17 +3 0.135697848 1 +4 0.000467905 17 +3 0.135580381 1 +4 0.000480750 17 +3 0.031618064 1 +4 0.000861943 17 +3 0.110813826 1 +4 0.000349600 17 +3 0.183789669 1 +4 0.000339386 31 +3 0.216650735 1 +4 0.112823566 32 +3 0.174864673 1 +4 0.003063388 10 +3 0.180669765 1 +4 0.001724638 1 +3 0.174368732 1 +4 0.002114123 1 +3 0.134554835 1 +4 0.002041362 1 +4 0.001560387 71 +3 0.980188224 1 +3 0.135913384 1 +4 0.002612273 41 diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_json.c b/lib/iolog/regress/fuzz/fuzz_iolog_json.c new file mode 100644 index 0000000..b4cfcaf --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_json.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +static FILE * +open_data(const uint8_t *data, size_t size) +{ +#ifdef HAVE_FMEMOPEN + /* Operate in-memory. */ + return fmemopen((void *)data, size, "r"); +#else + char tempfile[] = "/tmp/json.XXXXXX"; + size_t nwritten; + int fd; + + /* Use (unlinked) temporary file. */ + fd = mkstemp(tempfile); + if (fd == -1) + return NULL; + unlink(tempfile); + nwritten = write(fd, data, size); + if (nwritten != size) { + close(fd); + return NULL; + } + lseek(fd, 0, SEEK_SET); + return fdopen(fd, "r"); +#endif +} + +static int +fuzz_conversation(int num_msgs, const struct sudo_conv_message msgs[], + struct sudo_conv_reply replies[], struct sudo_conv_callback *callback) +{ + int n; + + for (n = 0; n < num_msgs; n++) { + const struct sudo_conv_message *msg = &msgs[n]; + + switch (msg->msg_type & 0xff) { + case SUDO_CONV_PROMPT_ECHO_ON: + case SUDO_CONV_PROMPT_MASK: + case SUDO_CONV_PROMPT_ECHO_OFF: + /* input not supported */ + return -1; + case SUDO_CONV_ERROR_MSG: + case SUDO_CONV_INFO_MSG: + /* no output for fuzzers */ + break; + default: + return -1; + } + } + return 0; +} + +int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + struct eventlog *evlog = NULL; + FILE *fp; + + initprogname("fuzz_iolog_json"); + if (getenv("SUDO_FUZZ_VERBOSE") == NULL) + sudo_warn_set_conversation(fuzz_conversation); + + fp = open_data(data, size); + if (fp == NULL) + return 0; + + /* Parsed contents of an log.json file are stored in evlog. */ + evlog = calloc(1, sizeof(*evlog)); + if (evlog != NULL) { + evlog->runuid = (uid_t)-1; + evlog->rungid = (gid_t)-1; + evlog->exit_value = -1; + + /* Try to parse buffer as a JSON-format I/O log info file. */ + iolog_parse_loginfo_json(fp, "fuzz.json", evlog); + eventlog_free(evlog); + } + fclose(fp); + + fflush(stdout); + + return 0; +} diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_json.dict b/lib/iolog/regress/fuzz/fuzz_iolog_json.dict new file mode 100644 index 0000000..2caf63d --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_json.dict @@ -0,0 +1,21 @@ +# I/O log JSON keywords +"\"columns\"" +"\"command\"" +"\"dumped_core\"" +"\"exit_value\"" +"\"lines\"" +"\"run_time\"" +"\"runargv\"" +"\"runenv\"" +"\"rungid\"" +"\"rungroup\"" +"\"runuid\"" +"\"runuser\"" +"\"runchroot\"" +"\"runcwd\"" +"\"signal\"" +"\"submitcwd\"" +"\"submithost\"" +"\"submituser\"" +"\"timestamp\"" +"\"ttyname\""" diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_legacy.c b/lib/iolog/regress/fuzz/fuzz_iolog_legacy.c new file mode 100644 index 0000000..fae456e --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_legacy.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +static FILE * +open_data(const uint8_t *data, size_t size) +{ +#ifdef HAVE_FMEMOPEN + /* Operate in-memory. */ + return fmemopen((void *)data, size, "r"); +#else + char tempfile[] = "/tmp/legacy.XXXXXX"; + size_t nwritten; + int fd; + + /* Use (unlinked) temporary file. */ + fd = mkstemp(tempfile); + if (fd == -1) + return NULL; + unlink(tempfile); + nwritten = write(fd, data, size); + if (nwritten != size) { + close(fd); + return NULL; + } + lseek(fd, 0, SEEK_SET); + return fdopen(fd, "r"); +#endif +} + +static int +fuzz_conversation(int num_msgs, const struct sudo_conv_message msgs[], + struct sudo_conv_reply replies[], struct sudo_conv_callback *callback) +{ + int n; + + for (n = 0; n < num_msgs; n++) { + const struct sudo_conv_message *msg = &msgs[n]; + + switch (msg->msg_type & 0xff) { + case SUDO_CONV_PROMPT_ECHO_ON: + case SUDO_CONV_PROMPT_MASK: + case SUDO_CONV_PROMPT_ECHO_OFF: + /* input not supported */ + return -1; + case SUDO_CONV_ERROR_MSG: + case SUDO_CONV_INFO_MSG: + /* no output for fuzzers */ + break; + default: + return -1; + } + } + return 0; +} + +int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + struct eventlog *evlog = NULL; + FILE *fp; + + initprogname("fuzz_iolog_legacy"); + if (getenv("SUDO_FUZZ_VERBOSE") == NULL) + sudo_warn_set_conversation(fuzz_conversation); + + fp = open_data(data, size); + if (fp == NULL) + return 0; + + /* Parsed contents of an I/O log info file are stored in evlog. */ + evlog = calloc(1, sizeof(*evlog)); + if (evlog != NULL) { + evlog->runuid = (uid_t)-1; + evlog->rungid = (gid_t)-1; + + /* Try to parse buffer as a legacy-format I/O log info file. */ + iolog_parse_loginfo_legacy(fp, "fuzz.legacy", evlog); + eventlog_free(evlog); + } + fclose(fp); + fflush(stdout); + + return 0; +} diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_legacy.dict b/lib/iolog/regress/fuzz/fuzz_iolog_legacy.dict new file mode 100644 index 0000000..d524d49 --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_legacy.dict @@ -0,0 +1,42 @@ +# Legacy I/O log info file: +# timestamp:submit_user:run_user:run_group:tty:lines:columns +# working directory +# command [args] + +# users and groups +"millert" +"root" +"bin" +"wheel" +"operator" +"testuser" +"alice" +"bob" +"users" + +# terminals +"/dev/console" +"/dev/tty00" +"/dev/tty01" +"/dev/pts/0" +"/dev/pts/1" +"/dev/ttyp2" +"/dev/ttyp3" + +# directories +"/root" +"/home/millert" +"/home/alice" +"/home/bob" +"/tmp" +"/usr/local" +"/usr/src" + +# commands +"/bin/ls" +"/usr/bin/id -u" +"/usr/bin/su -" +"/usr/bin/mailq" +"/usr/bin/make -C /usr/src/usr.bin/sort install" +"/usr/bin/apt update" +"/usr/bin/rpm -e sudo" diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_timing.c b/lib/iolog/regress/fuzz/fuzz_iolog_timing.c new file mode 100644 index 0000000..87a5fcf --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_timing.c @@ -0,0 +1,132 @@ +/* + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_eventlog.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +static int +fuzz_conversation(int num_msgs, const struct sudo_conv_message msgs[], + struct sudo_conv_reply replies[], struct sudo_conv_callback *callback) +{ + int n; + + for (n = 0; n < num_msgs; n++) { + const struct sudo_conv_message *msg = &msgs[n]; + + switch (msg->msg_type & 0xff) { + case SUDO_CONV_PROMPT_ECHO_ON: + case SUDO_CONV_PROMPT_MASK: + case SUDO_CONV_PROMPT_ECHO_OFF: + /* input not supported */ + return -1; + case SUDO_CONV_ERROR_MSG: + case SUDO_CONV_INFO_MSG: + /* no output for fuzzers */ + break; + default: + return -1; + } + } + return 0; +} + +int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + struct iolog_file iolog_file = { true }; + struct timing_closure closure; + char logdir[] = "/tmp/timing.XXXXXX"; + int dfd = -1, fd = -1; + + initprogname("fuzz_iolog_timing"); + if (getenv("SUDO_FUZZ_VERBOSE") == NULL) + sudo_warn_set_conversation(fuzz_conversation); + + /* I/O logs consist of multiple files in a directory. */ + if (mkdtemp(logdir) == NULL) + return 0; + + /* Create a timing file from the supplied data. */ + dfd = open(logdir, O_RDONLY); + if (dfd == -1) + goto cleanup; + + fd = openat(dfd, "timing", O_WRONLY|O_CREAT|O_EXCL, S_IRWXU); + if (fd == -1) + goto cleanup; + + if (write(fd, data, size) != (ssize_t)size) + goto cleanup; + close(fd); + fd = -1; + + /* Open the timing file we wrote and try to parse it. */ + if (!iolog_open(&iolog_file, dfd, IOFD_TIMING, "r")) + goto cleanup; + + memset(&closure, 0, sizeof(closure)); + closure.decimal = "."; + for (;;) { + if (iolog_read_timing_record(&iolog_file, &closure) != 0) + break; + } + iolog_close(&iolog_file, NULL); + +cleanup: + if (dfd != -1) { + if (fd != -1) + close(fd); + unlinkat(dfd, "timing", 0); + close(dfd); + } + rmdir(logdir); + fflush(stdout); + + return 0; +} + +/* STUB */ +bool +iolog_swapids(bool restore) +{ + return false; +} diff --git a/lib/iolog/regress/fuzz/fuzz_iolog_timing.dict b/lib/iolog/regress/fuzz/fuzz_iolog_timing.dict new file mode 100644 index 0000000..42bdeb5 --- /dev/null +++ b/lib/iolog/regress/fuzz/fuzz_iolog_timing.dict @@ -0,0 +1,89 @@ +# I/O log timing lines are formatted as: +# [0-4] sleep_time num_bytes +# 5 sleep_time lines cols +# 7 sleep_time signum|sigabbrev + +# Signal abbreviations +"ABRT" +"ALRM" +"BUS" +"CANCEL" +"CHLD" +"CLD" +"CONT" +"CONT" +"EMT" +"FPE" +"FREEZE" +"HUP" +"ILL" +"INFO" +"INT" +"IO" +"IOT" +"KILL" +"LOST" +"LWP" +"PIPE" +"POLL" +"PROF" +"PWR" +"QUIT" +"SEGV" +"STKFLT" +"STOP" +"STOP" +"SYS" +"TERM" +"THAW" +"TRAP" +"TSTP" +"TSTP" +"TTIN" +"TTIN" +"TTOU" +"TTOU" +"UNUSED" +"URG" +"USR1" +"USR2" +"VTALRM" +"WAITING" +"WINCH" +"XCPU" +"XFSZ" + +# Signal numbers, 0-32 +"0" +"1" +"2" +"3" +"4" +"5" +"6" +"7" +"8" +"9" +"10" +"11" +"12" +"13" +"14" +"15" +"16" +"17" +"18" +"19" +"20" +"21" +"22" +"23" +"24" +"25" +"26" +"27" +"28" +"29" +"30" +"31" +"32" diff --git a/lib/iolog/regress/host_port/host_port_test.c b/lib/iolog/regress/host_port/host_port_test.c new file mode 100644 index 0000000..128e0f9 --- /dev/null +++ b/lib/iolog/regress/host_port/host_port_test.c @@ -0,0 +1,158 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <time.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that iolog_parse_host_port() works as expected. + */ + +struct host_port_test { + const char *str; /* input string */ + const char *host; /* parsed host */ + const char *port; /* parsed port */ + bool tls; /* parsed TLS flag */ + const char *defport; /* default port */ + const char *defport_tls; /* default port */ + bool ret; /* return value */ +}; + +static struct host_port_test test_data[] = { + /* No TLS */ + { "xerxes", "xerxes", "12345", false, "12345", NULL, true }, + { "xerxes:12345", "xerxes", "12345", false, "67890", NULL, true }, + { "127.0.0.1", "127.0.0.1", "12345", false, "12345", NULL, true }, + { "127.0.0.1:12345", "127.0.0.1", "12345", false, "67890", NULL, true }, + { "[::1]", "::1", "12345", false, "12345", NULL, true }, + { "[::1]:12345", "::1", "12345", false, "67890", NULL, true }, + + /* With TLS */ + { "xerxes(tls)", "xerxes", "12345", true, "5678", "12345", true }, + { "xerxes:12345(tls)", "xerxes", "12345", true, "5678", "67890", true }, + { "127.0.0.1(tls)", "127.0.0.1", "12345", true, "5678", "12345", true }, + { "127.0.0.1:12345(tls)", "127.0.0.1", "12345", true, "5678", "67890", true }, + { "[::1](tls)", "::1", "12345", true, "5678", "12345", true }, + { "[::1]:12345(tls)", "::1", "12345", true, "5678", "67890", true }, + + /* Errors */ + { "xerxes:", NULL, NULL, false, "12345", NULL, false }, /* missing port */ + { "127.0.0.1:", NULL, NULL, false, "12345", NULL, false }, /* missing port */ + { "[::1:12345", NULL, NULL, false, "67890", NULL, false }, /* missing bracket */ + { "[::1]:", NULL, NULL, false, "12345", NULL, false }, /* missing port */ + { NULL } +}; + +int +main(int argc, char *argv[]) +{ + int ch, i, errors = 0, ntests = 0; + char *host, *port, *copy = NULL; + bool ret, tls; + + initprogname(argc > 0 ? argv[0] : "host_port_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (i = 0; test_data[i].str != NULL; i++) { + host = port = NULL; + tls = false; + free(copy); + if ((copy = strdup(test_data[i].str)) == NULL) + sudo_fatal_nodebug(NULL); + + ntests++; + ret = iolog_parse_host_port(copy, &host, &port, &tls, + test_data[i].defport, test_data[i].defport_tls); + if (ret != test_data[i].ret) { + sudo_warnx_nodebug("test #%d: %s: returned %s, expected %s", + ntests, test_data[i].str, ret ? "true" : "false", + test_data[i].ret ? "true" : "false"); + errors++; + continue; + } + if (!ret) + continue; + + if (host == NULL) { + sudo_warnx_nodebug("test #%d: %s: NULL host", + ntests, test_data[i].str); + errors++; + continue; + } + if (strcmp(host, test_data[i].host) != 0) { + sudo_warnx_nodebug("test #%d: %s: bad host, expected %s, got %s", + ntests, test_data[i].str, test_data[i].host, host); + errors++; + continue; + } + if (port == NULL) { + sudo_warnx_nodebug("test #%d: %s: NULL port", + ntests, test_data[i].str); + errors++; + continue; + } + if (strcmp(port, test_data[i].port) != 0) { + sudo_warnx_nodebug("test #%d: %s: bad port, expected %s, got %s", + ntests, test_data[i].str, test_data[i].port, port); + errors++; + continue; + } + if (tls != test_data[i].tls) { + sudo_warnx_nodebug("test #%d: %s: bad tls, expected %s, got %s", + ntests, test_data[i].str, test_data[i].tls ? "true" : "false", + tls ? "true" : "false"); + errors++; + continue; + } + } + free(copy); + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/iolog/regress/iolog_filter/check_iolog_filter.c b/lib/iolog/regress/iolog_filter/check_iolog_filter.c new file mode 100644 index 0000000..bb51420 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/check_iolog_filter.c @@ -0,0 +1,203 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +#include <sudo_iolog.h> + +sudo_dso_public int main(int argc, char *argv[]); + +int +main(int argc, char *argv[]) +{ + int dfd = -1, ttyin_fd = -1, ttyout_fd = -1, ttyin_ok_fd = -1; + int ch, i, ntests = 0, errors = 0; + void *passprompt_regex = NULL; + + initprogname(argc > 0 ? argv[0] : "check_iolog_filter"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v] iolog_dir ...\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + passprompt_regex = iolog_pwfilt_alloc(); + if (passprompt_regex == NULL) + sudo_fatalx("unable to allocate memory"); + if (!iolog_pwfilt_add(passprompt_regex, "(?i)password[: ]*")) + exit(1); + + for (i = 0; i < argc; i++) { + struct iolog_file iolog_timing = { true }; + struct timing_closure timing; + const char *logdir = argv[i]; + char tbuf[8192], fbuf[8192]; + ssize_t nread; + + ntests++; + + /* I/O logs consist of multiple files in a directory. */ + dfd = open(logdir, O_RDONLY); + if (dfd == -1) { + sudo_warn("%s", logdir); + errors++; + continue; + } + + if (!iolog_open(&iolog_timing, dfd, IOFD_TIMING, "r")) { + sudo_warn("timing"); + errors++; + goto next; + } + + ttyout_fd = openat(dfd, "ttyout", O_RDONLY, 0644); + if (ttyout_fd == -1) { + sudo_warn("ttyout"); + errors++; + goto next; + } + + ttyin_fd = openat(dfd, "ttyin", O_RDONLY, 0644); + if (ttyin_fd == -1) { + sudo_warn("ttyin"); + errors++; + goto next; + } + + ttyin_ok_fd = openat(dfd, "ttyin.filtered", O_RDONLY, 0644); + if (ttyin_ok_fd == -1) { + sudo_warn("ttyin.filtered"); + errors++; + goto next; + } + + memset(&timing, 0, sizeof(timing)); + timing.decimal = "."; + for (;;) { + char *newbuf = NULL; + const char *name; + int fd; + + if (iolog_read_timing_record(&iolog_timing, &timing) != 0) + break; + + switch (timing.event) { + case IO_EVENT_TTYOUT: + fd = ttyout_fd; + name = "ttyout"; + break; + case IO_EVENT_TTYIN: + fd = ttyin_fd; + name = "ttyin"; + break; + default: + continue; + } + + if (timing.u.nbytes > sizeof(tbuf)) { + sudo_warn("buffer too small, %zu > %zu", timing.u.nbytes, + sizeof(tbuf)); + errors++; + continue; + } + + nread = read(fd, tbuf, timing.u.nbytes); + if ((size_t)nread != timing.u.nbytes) { + if (nread == -1) + sudo_warn("%s/%s", argv[i], name); + else + sudo_warnx("%s/%s: short read", argv[i], name); + errors++; + continue; + } + + /* Apply filter. */ + if (!iolog_pwfilt_run(passprompt_regex, timing.event, tbuf, + timing.u.nbytes, &newbuf)) { + errors++; + continue; + } + + if (timing.event == IO_EVENT_TTYIN) { + nread = read(ttyin_ok_fd, fbuf, timing.u.nbytes); + if (nread == -1) { + if (nread == -1) + sudo_warn("%s/ttyin.filtered", argv[i]); + else + sudo_warnx("%s/ttyin.filtered: short read", argv[i]); + errors++; + free(newbuf); + break; + } + if (memcmp(fbuf, newbuf ? newbuf : tbuf, timing.u.nbytes) != 0) { + sudo_warnx("%s: ttyin mismatch at byte %lld", argv[i], + (long long)lseek(fd, 0, SEEK_CUR)); + errors++; + free(newbuf); + break; + } + } + + free(newbuf); + } +next: + if (ttyin_fd != -1) { + close(ttyin_fd); + ttyin_fd = -1; + } + if (ttyin_ok_fd != -1) { + close(ttyin_ok_fd); + ttyin_ok_fd = -1; + } + if (dfd != -1) { + close(dfd); + dfd = -1; + } + if (iolog_timing.enabled) + iolog_close(&iolog_timing, NULL); + } + iolog_pwfilt_free(passprompt_regex); + + if (ntests != 0) { + printf("iolog_filter: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/iolog/regress/iolog_filter/test1/log b/lib/iolog/regress/iolog_filter/test1/log new file mode 100644 index 0000000..551adfb --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test1/log @@ -0,0 +1,3 @@ +1645151020:millert:root::/dev/ttypb:24:80 +/home/millert +/usr/bin/passwd diff --git a/lib/iolog/regress/iolog_filter/test1/timing b/lib/iolog/regress/iolog_filter/test1/timing new file mode 100644 index 0000000..3a62388 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test1/timing @@ -0,0 +1,44 @@ +4 0.087089703 32 +4 0.000503221 13 +3 1.617732029 1 +3 0.671818399 1 +3 0.632182533 1 +3 0.135484597 1 +3 0.120171445 1 +3 0.120200768 1 +3 0.239782513 1 +3 0.064059449 1 +3 0.184048364 1 +3 0.135992479 1 +3 0.167905298 1 +3 0.087948033 1 +3 0.135913060 1 +3 0.136306311 1 +3 0.279830387 1 +3 0.280221744 1 +4 0.000453682 2 +4 0.001188404 20 +3 0.678534827 1 +3 1.912119627 1 +3 0.303804149 1 +3 0.071831900 1 +3 0.248608651 1 +3 0.088758738 1 +3 0.262821628 1 +3 0.111839737 1 +3 0.184326849 1 +3 0.119709565 1 +3 0.184446495 1 +3 0.089439595 1 +3 0.150353799 1 +3 0.152035883 1 +3 0.392237165 1 +3 0.183498720 1 +3 0.136099560 1 +3 0.256165394 1 +4 0.000392254 2 +4 0.000348360 35 +4 0.000330782 13 +3 0.871580665 1 +4 0.000434371 2 +4 0.001150945 23 diff --git a/lib/iolog/regress/iolog_filter/test1/ttyin b/lib/iolog/regress/iolog_filter/test1/ttyin new file mode 100644 index 0000000..5a2067d --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test1/ttyin @@ -0,0 +1 @@ +A new password?
A bad password...
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test1/ttyin.filtered b/lib/iolog/regress/iolog_filter/test1/ttyin.filtered new file mode 100644 index 0000000..d4943b3 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test1/ttyin.filtered @@ -0,0 +1 @@ +***************
*****************
*
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test1/ttyout b/lib/iolog/regress/iolog_filter/test1/ttyout new file mode 100644 index 0000000..bac1f87 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test1/ttyout @@ -0,0 +1,7 @@ +Changing password for millert.
+New password:
+Retype new password:
+Mismatch; try again, EOF to quit.
+New password:
+
+Password unchanged.
diff --git a/lib/iolog/regress/iolog_filter/test2/log b/lib/iolog/regress/iolog_filter/test2/log new file mode 100644 index 0000000..8790573 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test2/log @@ -0,0 +1,3 @@ +1645153850:millert:millert::/dev/ttypb:24:80 +/home/millert +/usr/bin/su testdude diff --git a/lib/iolog/regress/iolog_filter/test2/timing b/lib/iolog/regress/iolog_filter/test2/timing new file mode 100644 index 0000000..7e6b1cc --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test2/timing @@ -0,0 +1,73 @@ +4 0.077895153 9 +3 9.876530326 1 +3 0.191980568 1 +3 0.168017746 1 +3 0.088081740 1 +3 0.183886638 1 +3 0.071966892 1 +3 0.175772878 1 +3 0.672270691 1 +4 0.000336085 2 +4 0.022264031 8 +3 4.721817713 1 +4 0.001379444 1 +3 0.086406844 1 +4 0.000383615 1 +3 0.055583229 1 +4 0.000353543 1 +3 0.079726966 1 +4 0.000336390 1 +3 0.063626746 1 +4 0.000719018 1 +3 0.135204338 1 +4 0.000342720 1 +3 0.095976209 1 +4 0.000338049 1 +3 0.047259669 1 +4 0.000339501 1 +3 0.399809817 1 +4 0.000345392 1 +3 0.111587761 1 +4 0.000366589 1 +3 0.087582640 1 +4 0.000328160 1 +3 0.480159500 1 +4 0.000370778 3 +3 0.143285883 1 +4 0.000332529 3 +3 0.135841236 1 +4 0.000343729 3 +3 0.223401313 1 +4 0.000329496 1 +3 0.063760060 1 +4 0.000382349 1 +3 0.087442363 1 +4 0.000345787 1 +3 0.095598655 1 +4 0.000343712 1 +3 0.560106197 1 +4 0.000405183 3 +3 0.151363786 1 +4 0.000345085 3 +3 0.167809002 1 +4 0.000326037 3 +3 0.135471962 1 +4 0.000378004 3 +3 0.111681517 1 +4 0.000329093 1 +3 0.127537491 1 +4 0.000355403 1 +3 0.103896235 1 +4 0.000320608 1 +3 0.095563437 1 +4 0.000327463 1 +3 0.087808248 1 +4 0.000321244 1 +3 0.503531970 1 +4 0.000338699 1 +3 1.383887942 1 +4 0.000324499 3 +4 0.000334583 11 +4 0.000324866 8 +3 0.999440679 1 +4 0.000365851 5 diff --git a/lib/iolog/regress/iolog_filter/test2/ttyin b/lib/iolog/regress/iolog_filter/test2/ttyin new file mode 100644 index 0000000..29482c0 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test2/ttyin @@ -0,0 +1 @@ +test123
echo hi ereherethere!
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test2/ttyin.filtered b/lib/iolog/regress/iolog_filter/test2/ttyin.filtered new file mode 100644 index 0000000..e3c303d --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test2/ttyin.filtered @@ -0,0 +1 @@ +*******
echo hi ereherethere!
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test2/ttyout b/lib/iolog/regress/iolog_filter/test2/ttyout new file mode 100644 index 0000000..dbb7124 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test2/ttyout @@ -0,0 +1,4 @@ +Password:
+xerxes$ echo hi ere here there!
+hi there!
+xerxes$ ^D
diff --git a/lib/iolog/regress/iolog_filter/test3/log b/lib/iolog/regress/iolog_filter/test3/log new file mode 100644 index 0000000..f0500f4 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test3/log @@ -0,0 +1,3 @@ +1645201461:millert:root::/dev/ttyp0:24:80 +/home/millert +/usr/bin/ssh -oPubkeyAuthentication=no localhost diff --git a/lib/iolog/regress/iolog_filter/test3/timing b/lib/iolog/regress/iolog_filter/test3/timing new file mode 100644 index 0000000..03b67f4 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test3/timing @@ -0,0 +1,54 @@ +4 0.158768144 1 +4 0.000406264 27 +3 4.390837642 1 +3 0.119705081 1 +3 0.175600726 1 +3 0.064357615 1 +3 0.239945395 1 +3 0.088142451 1 +3 0.143665762 1 +3 0.071941169 1 +3 0.208359675 1 +3 0.145706215 1 +3 0.302231926 1 +3 0.079805215 1 +3 0.112114024 1 +3 0.143802378 1 +3 0.160033289 1 +4 0.000416283 2 +4 0.042939142 40 +4 0.000399448 27 +3 1.084753026 1 +3 0.087720859 1 +3 0.215896027 1 +3 0.167921572 1 +3 0.304253899 1 +3 0.103807201 1 +3 0.191962088 1 +3 0.071989566 1 +3 0.296183440 1 +3 0.162262688 1 +3 0.125661454 1 +3 0.192164590 1 +4 0.000394039 2 +4 0.034617321 40 +4 0.000414822 27 +3 0.796676353 1 +3 0.119589531 1 +3 0.120189440 1 +3 0.080002264 1 +3 0.120104599 1 +3 0.087897523 1 +3 0.088072936 1 +3 0.111980459 1 +3 0.064099904 1 +3 0.440166638 1 +3 0.159957933 1 +3 0.063988834 1 +3 0.247906778 1 +3 0.167767797 1 +3 0.151961605 1 +3 0.176237322 1 +3 0.368288839 1 +4 0.000364019 2 +4 0.034413644 79 diff --git a/lib/iolog/regress/iolog_filter/test3/ttyin b/lib/iolog/regress/iolog_filter/test3/ttyin new file mode 100644 index 0000000..224e0b4 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test3/ttyin @@ -0,0 +1 @@ +not a password
nope, sorry
try again please
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test3/ttyin.filtered b/lib/iolog/regress/iolog_filter/test3/ttyin.filtered new file mode 100644 index 0000000..bc6dfb5 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test3/ttyin.filtered @@ -0,0 +1 @@ +**************
***********
****************
\ No newline at end of file diff --git a/lib/iolog/regress/iolog_filter/test3/ttyout b/lib/iolog/regress/iolog_filter/test3/ttyout new file mode 100644 index 0000000..b6befb9 --- /dev/null +++ b/lib/iolog/regress/iolog_filter/test3/ttyout @@ -0,0 +1,6 @@ +
root@localhost's password:
+Permission denied, please try again.
+
root@localhost's password:
+Permission denied, please try again.
+
root@localhost's password:
+root@localhost: Permission denied (publickey,password,keyboard-interactive).
diff --git a/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c b/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c new file mode 100644 index 0000000..c11992f --- /dev/null +++ b/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c @@ -0,0 +1,115 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <sys/wait.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> + +sudo_dso_public int main(int argc, char *argv[]); + +static const char *test_paths[] = { + "testdir/a/b/c/user", /* create new */ + "testdir/a/b/c/user", /* open existing */ + "testdir/a/b/c/user.XXXXXX", /* mkdtemp new */ + NULL +}; + +static void +test_iolog_mkpath(const char *testdir, int *ntests, int *nerrors) +{ + const char **tp; + char *path; + + iolog_set_owner(geteuid(), getegid()); + + for (tp = test_paths; *tp != NULL; tp++) { + if (asprintf(&path, "%s/%s", testdir, *tp) == -1) + sudo_fatalx("unable to allocate memory"); + + (*ntests)++; + if (!iolog_mkpath(path)) { + sudo_warnx("unable to mkpath %s", path); + (*nerrors)++; + } + free(path); + } +} + +int +main(int argc, char *argv[]) +{ + char testdir[] = "mkpath.XXXXXX"; + const char *rmargs[] = { "rm", "-rf", NULL, NULL }; + int ch, status, ntests = 0, errors = 0; + + initprogname(argc > 0 ? argv[0] : "check_iolog_mkpath"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (mkdtemp(testdir) == NULL) + sudo_fatal("unable to create test dir"); + rmargs[2] = testdir; + + test_iolog_mkpath(testdir, &ntests, &errors); + + if (ntests != 0) { + printf("iolog_mkpath: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + /* Clean up (avoid running via shell) */ + switch (fork()) { + case -1: + sudo_warn("fork"); + _exit(1); + case 0: + execvp("rm", (char **)rmargs); + _exit(1); + default: + wait(&status); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) + errors++; + break; + } + + return errors; +} diff --git a/lib/iolog/regress/iolog_path/check_iolog_path.c b/lib/iolog/regress/iolog_path/check_iolog_path.c new file mode 100644 index 0000000..882135a --- /dev/null +++ b/lib/iolog/regress/iolog_path/check_iolog_path.c @@ -0,0 +1,296 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <time.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> + +static struct iolog_escape_data { + char sessid[7]; + char *user; + char *group; + char *runas_user; + char *runas_group; + char *host; + char *command; +} escape_data; + +sudo_dso_public int main(int argc, char *argv[]); + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s datafile\n", getprogname()); + exit(EXIT_FAILURE); +} + +static void +reset_escape_data(struct iolog_escape_data *data) +{ + free(data->user); + free(data->group); + free(data->runas_user); + free(data->runas_group); + free(data->host); + free(data->command); + memset(data, 0, sizeof(*data)); +} + +static size_t +fill_seq(char *str, size_t strsize, void *unused) +{ + int len; + + /* Path is of the form /var/log/sudo-io/00/00/01. */ + len = snprintf(str, strsize, "%c%c/%c%c/%c%c", escape_data.sessid[0], + escape_data.sessid[1], escape_data.sessid[2], escape_data.sessid[3], + escape_data.sessid[4], escape_data.sessid[5]); + if (len < 0) + return strsize; /* handle non-standard snprintf() */ + return (size_t)len; +} + +static size_t +fill_user(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.user, strsize); +} + +static size_t +fill_group(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.group, strsize); +} + +static size_t +fill_runas_user(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.runas_user, strsize); +} + +static size_t +fill_runas_group(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.runas_group, strsize); +} + +static size_t +fill_hostname(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.host, strsize); +} + +static size_t +fill_command(char *str, size_t strsize, void *unused) +{ + return strlcpy(str, escape_data.command, strsize); +} + +/* Note: "seq" must be first in the list. */ +static struct iolog_path_escape path_escapes[] = { + { "seq", fill_seq }, + { "user", fill_user }, + { "group", fill_group }, + { "runas_user", fill_runas_user }, + { "runas_group", fill_runas_group }, + { "hostname", fill_hostname }, + { "command", fill_command }, + { NULL, NULL } +}; + +static int +do_check(char *dir_in, char *file_in, char *tdir_out, char *tfile_out) +{ + char dir[PATH_MAX], dir_out[PATH_MAX] = ""; + char file[PATH_MAX], file_out[PATH_MAX] = ""; + int error = 0; + struct tm tm; + time_t now; + size_t len; + + /* + * Expand any strftime(3) escapes + * XXX - want to pass tm to expand_iolog_path + */ + time(&now); + if (localtime_r(&now, &tm) == NULL) + sudo_fatal("localtime_r"); + if (tdir_out[0] != '\0') { + len = strftime(dir_out, sizeof(dir_out), tdir_out, &tm); + if (len == 0 || dir_out[sizeof(dir_out) - 1] != '\0') + sudo_fatalx("dir_out: strftime overflow"); + } + if (tfile_out[0] != '\0') { + len = strftime(file_out, sizeof(file_out), tfile_out, &tm); + if (len == 0 || file_out[sizeof(file_out) - 1] != '\0') + sudo_fatalx("file_out: strftime overflow"); + } + + if (!expand_iolog_path(dir_in, dir, sizeof(dir), &path_escapes[1], NULL)) + sudo_fatalx("unable to expand I/O log dir"); + if (!expand_iolog_path(file_in, file, sizeof(file), &path_escapes[0], dir)) + sudo_fatalx("unable to expand I/O log file"); + + if (strcmp(dir, dir_out) != 0) { + sudo_warnx("%s: expected %s, got %s", dir_in, dir_out, dir); + error = 1; + } + if (strcmp(file, file_out) != 0) { + sudo_warnx("%s: expected %s, got %s", file_in, file_out, file); + error = 1; + } + + return error; +} + +#define MAX_STATE 12 + +int +main(int argc, char *argv[]) +{ + size_t len; + FILE *fp; + char line[2048]; + char *file_in = NULL, *file_out = NULL; + char *dir_in = NULL, *dir_out = NULL; + int ch, state = 0, errors = 0, ntests = 0; + + initprogname(argc > 0 ? argv[0] : "check_iolog_path"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v] data\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (argc != 1) + usage(); + + fp = fopen(argv[0], "r"); + if (fp == NULL) + sudo_fatalx("unable to open %s", argv[0]); + + /* + * Input consists of 12 lines: + * sequence number + * user name + * user gid + * runas user name + * runas gid + * hostname [short form] + * command + * dir [with escapes] + * file [with escapes] + * expanded dir + * expanded file + * empty line + */ + while (fgets(line, sizeof(line), fp) != NULL) { + len = strcspn(line, "\n"); + line[len] = '\0'; + + switch (state) { + case 0: + strlcpy(escape_data.sessid, line, sizeof(escape_data.sessid)); + break; + case 1: + if ((escape_data.user = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 2: + if ((escape_data.group = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 3: + if ((escape_data.runas_user = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 4: + if ((escape_data.runas_group = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 5: + if ((escape_data.host = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 6: + if ((escape_data.command = strdup(line)) == NULL) + sudo_fatal(NULL); + break; + case 7: + if (dir_in != NULL) + free(dir_in); + dir_in = strdup(line); + break; + case 8: + if (file_in != NULL) + free(file_in); + file_in = strdup(line); + break; + case 9: + if (dir_out != NULL) + free(dir_out); + dir_out = strdup(line); + break; + case 10: + if (file_out != NULL) + free(file_out); + file_out = strdup(line); + break; + case 11: + errors += do_check(dir_in, file_in, dir_out, file_out); + ntests++; + reset_escape_data(&escape_data); + break; + default: + sudo_fatalx("internal error, invalid state %d", state); + } + state = (state + 1) % MAX_STATE; + } + free(dir_in); + free(dir_out); + free(file_in); + free(file_out); + + if (ntests != 0) { + printf("iolog_path: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/iolog/regress/iolog_path/data b/lib/iolog/regress/iolog_path/data new file mode 100644 index 0000000..48dc87e --- /dev/null +++ b/lib/iolog/regress/iolog_path/data @@ -0,0 +1,96 @@ +000001 +nobody +nogroup +root +root +somehost +id +/var/log/sudo-io +%%{bogus} +/var/log/sudo-io +%%{bogus} + +000001 +nobody +nogroup +root +wheel +somehost +id +/var/log/sudo-io +%%{seq} +/var/log/sudo-io +%%{seq} + +000001 +nobody +nogroup +root +wheel +somehost +id +/var/log/sudo-io +%{seq} +/var/log/sudo-io +00/00/01 + +000001 +nobody +nogroup +root +wheel +somehost +id +/var/log/sudo-io/%{user} +%{seq} +/var/log/sudo-io/nobody +00/00/01 + +000001 +nobody +nogroup +root +wheel +somehost +su +/var/log/sudo-io/%{user}/%{runas_user} +%{command}_%Y%m%s_%H%M +/var/log/sudo-io/nobody/root +su_%Y%m%s_%H%M + +000001 +nobody +nogroup +root +wheel +somehost +su +/var/log/sudo-io/ +//%{user}/%{runas_user}/%{command}_%Y%m%s_%H%M +/var/log/sudo-io +/nobody/root/su_%Y%m%s_%H%M + +000001 +nobody +nogroup +root +wheel +somehost +su +/var/log/sudo-io/%d%m%Y +%{user}/%{runas_user}/%{command} +/var/log/sudo-io/%d%m%Y +nobody/root/su + +000001 +nobody +nogroup +root +wheel +somehost +su +//////// +%{user}/%{runas_user}/%{command} + +nobody/root/su + diff --git a/lib/iolog/regress/iolog_timing/check_iolog_timing.c b/lib/iolog/regress/iolog_timing/check_iolog_timing.c new file mode 100644 index 0000000..5fa34b8 --- /dev/null +++ b/lib/iolog/regress/iolog_timing/check_iolog_timing.c @@ -0,0 +1,161 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> +#include <sudo_iolog.h> + +sudo_dso_public int main(int argc, char *argv[]); + +static struct parse_delay_test { + const char *input; + const char *next_field; + struct timespec expected_delay; +} parse_delay_tests[] = { + { "10.99999999999 X", "X", { 10, 999999999 } }, /* clamp to nsec */ + { "10.999999999 X", "X", { 10, 999999999 } }, /* nsec */ + { "10.999999 X", "X", { 10, 999999000 } }, /* usec -> nsec */ + { "10.000999999 X", "X", { 10, 999999 } }, + { "10.9 X", "X", { 10, 900000000 } }, + { "10.0 X", "X", { 10, 0 } } +}; + +/* + * Test iolog_parse_delay() + */ +static void +test_parse_delay(int *ntests, int *nerrors) +{ + unsigned int i; + + for (i = 0; i < nitems(parse_delay_tests); i++) { + struct timespec delay; + struct parse_delay_test *test = &parse_delay_tests[i]; + char *cp = iolog_parse_delay(test->input, &delay, "."); + if (cp == NULL) { + sudo_warnx("%s:%u failed to parse delay: %s", __func__, + i, test->input); + (*nerrors)++; + continue; + } + if (strcmp(cp, test->next_field) != 0) { + sudo_warnx("%s:%u next field (want \"%s\", got \"%s\"", __func__, + i, test->next_field, cp); + (*nerrors)++; + continue; + } + if (delay.tv_sec != test->expected_delay.tv_sec) { + sudo_warnx("%s:%u wrong seconds (want %lld, got %lld)", __func__, + i, (long long)test->expected_delay.tv_sec, + (long long)delay.tv_sec); + (*nerrors)++; + continue; + } + if (delay.tv_nsec != test->expected_delay.tv_nsec) { + sudo_warnx("%s:%u wrong nanoseconds (want %ld, got %ld)", __func__, + i, test->expected_delay.tv_nsec, delay.tv_nsec); + (*nerrors)++; + continue; + } + } + (*ntests) += (int)i; +} + +static struct adjust_delay_test { + struct timespec in_delay; + struct timespec out_delay; + struct timespec max_delay; + double scale_factor; +} adjust_delay_tests[] = { + { { 10, 300 }, { 10, 300 }, { 0, 0 }, 1.0 }, + { { 10, 300 }, { 5, 150 }, { 0, 0 }, 2.0 }, + { { 5, 300 }, { 2, 500000150 }, { 0, 0 }, 2.0 }, + { { 0, 1000000 }, { 0, 333333 }, { 0, 0 }, 3 }, + { { 10, 1000000 }, { 3, 333666666 }, { 0, 0 }, 3 }, + { { 5, 150 }, { 10, 300 }, { 0, 0 }, 0.5 }, + { { 5, 500000000 }, { 11, 0 }, { 0, 0 }, 0.5 }, + { { 5, 150 }, { 5, 0 }, { 5, 0 }, 0.5 } +}; + +/* + * Test iolog_adjust_delay() + */ +static void +test_adjust_delay(int *ntests, int *nerrors) +{ + unsigned int i; + + for (i = 0; i < nitems(adjust_delay_tests); i++) { + struct adjust_delay_test *test = &adjust_delay_tests[i]; + + iolog_adjust_delay(&test->in_delay, + sudo_timespecisset(&test->max_delay) ? &test->max_delay : NULL, + test->scale_factor); + if (!sudo_timespeccmp(&test->in_delay, &test->out_delay, ==)) { + sudo_warnx("%s:%u want {%lld, %ld}, got {%lld, %ld}", __func__, i, + (long long)test->out_delay.tv_sec, test->out_delay.tv_nsec, + (long long)test->in_delay.tv_sec, test->in_delay.tv_nsec); + (*nerrors)++; + } + } + (*ntests) += (int)i; +} + +int +main(int argc, char *argv[]) +{ + int ch, ntests = 0, errors = 0; + + initprogname(argc > 0 ? argv[0] : "check_iolog_timing"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + test_parse_delay(&ntests, &errors); + + test_adjust_delay(&ntests, &errors); + + if (ntests != 0) { + printf("iolog_timing: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/logsrv/Makefile.in b/lib/logsrv/Makefile.in new file mode 100644 index 0000000..f81698f --- /dev/null +++ b/lib/logsrv/Makefile.in @@ -0,0 +1,186 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ + +# Libraries +LT_LIBS = + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) -I$(top_srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LIBLOGSRV_OBJS = log_server.pb-c.lo + +IOBJS = $(LIBLOGSRV_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +GENERATED = log_server.pb-c.h log_server.pb-c.c + +all: liblogsrv.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/logsrv/Makefile.in + cd $(top_builddir) && ./config.status --file lib/logsrv/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/logsrv/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +$(devdir)/log_server.pb-c.c: $(srcdir)/log_server.proto + @if [ -n "$(DEVEL)" ]; then \ + cmd='protoc-c --c_out=$(devdir) --proto_path=$(srcdir) $(srcdir)/log_server.proto'; \ + echo "$$cmd"; eval $$cmd; \ + cmd='$(scriptdir)/unanon $(devdir)/log_server.pb-c.h $(devdir)/log_server.pb-c.c'; \ + echo "$$cmd"; eval $$cmd; \ + if [ "$(devdir)" == "$(srcdir)" ]; then \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(incdir)/log_server.pb-c.h'; \ + else \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(top_builddir)/log_server.pb-c.h'; \ + fi; \ + echo "$$cmd"; eval $$cmd; \ + fi + +liblogsrv.la: $(LIBLOGSRV_OBJS) $(LT_LIBS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBLOGSRV_OBJS) $(LT_LIBS) + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +pvs-log-files: + +pvs-studio: + +fuzz: + +check-fuzzer: + +check: check-fuzzer + +check-verbose: check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + @if [ -n "$(DEVEL)" -a "$(devdir)" != "$(srcdir)" ]; then \ + cmd='rm -rf $(GENERATED)'; \ + echo "$$cmd"; eval $$cmd; \ + fi + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +log_server.pb-c.lo: $(srcdir)/log_server.pb-c.c $(incdir)/log_server.pb-c.h \ + $(incdir)/protobuf-c/protobuf-c.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/log_server.pb-c.c +log_server.pb-c.plog: $(srcdir)/log_server.pb-c.c + touch $@ diff --git a/lib/logsrv/log_server.pb-c.c b/lib/logsrv/log_server.pb-c.c new file mode 100644 index 0000000..21c87b8 --- /dev/null +++ b/lib/logsrv/log_server.pb-c.c @@ -0,0 +1,1766 @@ +/* Generated by the protocol buffer compiler. DO NOT EDIT! */ +/* Generated from: log_server.proto */ + +/* Do not generate deprecated warnings for self */ +#ifndef PROTOBUF_C__NO_DEPRECATED +#define PROTOBUF_C__NO_DEPRECATED +#endif + +#include <log_server.pb-c.h> +void client_message__init + (ClientMessage *message) +{ + static const ClientMessage init_value = CLIENT_MESSAGE__INIT; + *message = init_value; +} +size_t client_message__get_packed_size + (const ClientMessage *message) +{ + assert(message->base.descriptor == &client_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t client_message__pack + (const ClientMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &client_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t client_message__pack_to_buffer + (const ClientMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &client_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ClientMessage * + client_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ClientMessage *) + protobuf_c_message_unpack (&client_message__descriptor, + allocator, len, data); +} +void client_message__free_unpacked + (ClientMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &client_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void time_spec__init + (TimeSpec *message) +{ + static const TimeSpec init_value = TIME_SPEC__INIT; + *message = init_value; +} +size_t time_spec__get_packed_size + (const TimeSpec *message) +{ + assert(message->base.descriptor == &time_spec__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t time_spec__pack + (const TimeSpec *message, + uint8_t *out) +{ + assert(message->base.descriptor == &time_spec__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t time_spec__pack_to_buffer + (const TimeSpec *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &time_spec__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +TimeSpec * + time_spec__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (TimeSpec *) + protobuf_c_message_unpack (&time_spec__descriptor, + allocator, len, data); +} +void time_spec__free_unpacked + (TimeSpec *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &time_spec__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void io_buffer__init + (IoBuffer *message) +{ + static const IoBuffer init_value = IO_BUFFER__INIT; + *message = init_value; +} +size_t io_buffer__get_packed_size + (const IoBuffer *message) +{ + assert(message->base.descriptor == &io_buffer__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t io_buffer__pack + (const IoBuffer *message, + uint8_t *out) +{ + assert(message->base.descriptor == &io_buffer__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t io_buffer__pack_to_buffer + (const IoBuffer *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &io_buffer__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +IoBuffer * + io_buffer__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (IoBuffer *) + protobuf_c_message_unpack (&io_buffer__descriptor, + allocator, len, data); +} +void io_buffer__free_unpacked + (IoBuffer *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &io_buffer__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void info_message__string_list__init + (InfoMessage__StringList *message) +{ + static const InfoMessage__StringList init_value = INFO_MESSAGE__STRING_LIST__INIT; + *message = init_value; +} +void info_message__number_list__init + (InfoMessage__NumberList *message) +{ + static const InfoMessage__NumberList init_value = INFO_MESSAGE__NUMBER_LIST__INIT; + *message = init_value; +} +void info_message__init + (InfoMessage *message) +{ + static const InfoMessage init_value = INFO_MESSAGE__INIT; + *message = init_value; +} +size_t info_message__get_packed_size + (const InfoMessage *message) +{ + assert(message->base.descriptor == &info_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t info_message__pack + (const InfoMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &info_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t info_message__pack_to_buffer + (const InfoMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &info_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +InfoMessage * + info_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (InfoMessage *) + protobuf_c_message_unpack (&info_message__descriptor, + allocator, len, data); +} +void info_message__free_unpacked + (InfoMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &info_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void accept_message__init + (AcceptMessage *message) +{ + static const AcceptMessage init_value = ACCEPT_MESSAGE__INIT; + *message = init_value; +} +size_t accept_message__get_packed_size + (const AcceptMessage *message) +{ + assert(message->base.descriptor == &accept_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t accept_message__pack + (const AcceptMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &accept_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t accept_message__pack_to_buffer + (const AcceptMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &accept_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +AcceptMessage * + accept_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (AcceptMessage *) + protobuf_c_message_unpack (&accept_message__descriptor, + allocator, len, data); +} +void accept_message__free_unpacked + (AcceptMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &accept_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void reject_message__init + (RejectMessage *message) +{ + static const RejectMessage init_value = REJECT_MESSAGE__INIT; + *message = init_value; +} +size_t reject_message__get_packed_size + (const RejectMessage *message) +{ + assert(message->base.descriptor == &reject_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t reject_message__pack + (const RejectMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &reject_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t reject_message__pack_to_buffer + (const RejectMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &reject_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +RejectMessage * + reject_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (RejectMessage *) + protobuf_c_message_unpack (&reject_message__descriptor, + allocator, len, data); +} +void reject_message__free_unpacked + (RejectMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &reject_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void exit_message__init + (ExitMessage *message) +{ + static const ExitMessage init_value = EXIT_MESSAGE__INIT; + *message = init_value; +} +size_t exit_message__get_packed_size + (const ExitMessage *message) +{ + assert(message->base.descriptor == &exit_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t exit_message__pack + (const ExitMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &exit_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t exit_message__pack_to_buffer + (const ExitMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &exit_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ExitMessage * + exit_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ExitMessage *) + protobuf_c_message_unpack (&exit_message__descriptor, + allocator, len, data); +} +void exit_message__free_unpacked + (ExitMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &exit_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void alert_message__init + (AlertMessage *message) +{ + static const AlertMessage init_value = ALERT_MESSAGE__INIT; + *message = init_value; +} +size_t alert_message__get_packed_size + (const AlertMessage *message) +{ + assert(message->base.descriptor == &alert_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t alert_message__pack + (const AlertMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &alert_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t alert_message__pack_to_buffer + (const AlertMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &alert_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +AlertMessage * + alert_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (AlertMessage *) + protobuf_c_message_unpack (&alert_message__descriptor, + allocator, len, data); +} +void alert_message__free_unpacked + (AlertMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &alert_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void restart_message__init + (RestartMessage *message) +{ + static const RestartMessage init_value = RESTART_MESSAGE__INIT; + *message = init_value; +} +size_t restart_message__get_packed_size + (const RestartMessage *message) +{ + assert(message->base.descriptor == &restart_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t restart_message__pack + (const RestartMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &restart_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t restart_message__pack_to_buffer + (const RestartMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &restart_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +RestartMessage * + restart_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (RestartMessage *) + protobuf_c_message_unpack (&restart_message__descriptor, + allocator, len, data); +} +void restart_message__free_unpacked + (RestartMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &restart_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void change_window_size__init + (ChangeWindowSize *message) +{ + static const ChangeWindowSize init_value = CHANGE_WINDOW_SIZE__INIT; + *message = init_value; +} +size_t change_window_size__get_packed_size + (const ChangeWindowSize *message) +{ + assert(message->base.descriptor == &change_window_size__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t change_window_size__pack + (const ChangeWindowSize *message, + uint8_t *out) +{ + assert(message->base.descriptor == &change_window_size__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t change_window_size__pack_to_buffer + (const ChangeWindowSize *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &change_window_size__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ChangeWindowSize * + change_window_size__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ChangeWindowSize *) + protobuf_c_message_unpack (&change_window_size__descriptor, + allocator, len, data); +} +void change_window_size__free_unpacked + (ChangeWindowSize *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &change_window_size__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void command_suspend__init + (CommandSuspend *message) +{ + static const CommandSuspend init_value = COMMAND_SUSPEND__INIT; + *message = init_value; +} +size_t command_suspend__get_packed_size + (const CommandSuspend *message) +{ + assert(message->base.descriptor == &command_suspend__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t command_suspend__pack + (const CommandSuspend *message, + uint8_t *out) +{ + assert(message->base.descriptor == &command_suspend__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t command_suspend__pack_to_buffer + (const CommandSuspend *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &command_suspend__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +CommandSuspend * + command_suspend__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (CommandSuspend *) + protobuf_c_message_unpack (&command_suspend__descriptor, + allocator, len, data); +} +void command_suspend__free_unpacked + (CommandSuspend *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &command_suspend__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void client_hello__init + (ClientHello *message) +{ + static const ClientHello init_value = CLIENT_HELLO__INIT; + *message = init_value; +} +size_t client_hello__get_packed_size + (const ClientHello *message) +{ + assert(message->base.descriptor == &client_hello__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t client_hello__pack + (const ClientHello *message, + uint8_t *out) +{ + assert(message->base.descriptor == &client_hello__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t client_hello__pack_to_buffer + (const ClientHello *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &client_hello__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ClientHello * + client_hello__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ClientHello *) + protobuf_c_message_unpack (&client_hello__descriptor, + allocator, len, data); +} +void client_hello__free_unpacked + (ClientHello *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &client_hello__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void server_message__init + (ServerMessage *message) +{ + static const ServerMessage init_value = SERVER_MESSAGE__INIT; + *message = init_value; +} +size_t server_message__get_packed_size + (const ServerMessage *message) +{ + assert(message->base.descriptor == &server_message__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t server_message__pack + (const ServerMessage *message, + uint8_t *out) +{ + assert(message->base.descriptor == &server_message__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t server_message__pack_to_buffer + (const ServerMessage *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &server_message__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ServerMessage * + server_message__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ServerMessage *) + protobuf_c_message_unpack (&server_message__descriptor, + allocator, len, data); +} +void server_message__free_unpacked + (ServerMessage *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &server_message__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +void server_hello__init + (ServerHello *message) +{ + static const ServerHello init_value = SERVER_HELLO__INIT; + *message = init_value; +} +size_t server_hello__get_packed_size + (const ServerHello *message) +{ + assert(message->base.descriptor == &server_hello__descriptor); + return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); +} +size_t server_hello__pack + (const ServerHello *message, + uint8_t *out) +{ + assert(message->base.descriptor == &server_hello__descriptor); + return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); +} +size_t server_hello__pack_to_buffer + (const ServerHello *message, + ProtobufCBuffer *buffer) +{ + assert(message->base.descriptor == &server_hello__descriptor); + return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); +} +ServerHello * + server_hello__unpack + (ProtobufCAllocator *allocator, + size_t len, + const uint8_t *data) +{ + return (ServerHello *) + protobuf_c_message_unpack (&server_hello__descriptor, + allocator, len, data); +} +void server_hello__free_unpacked + (ServerHello *message, + ProtobufCAllocator *allocator) +{ + if(!message) + return; + assert(message->base.descriptor == &server_hello__descriptor); + protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); +} +static const ProtobufCFieldDescriptor client_message__field_descriptors[13] = +{ + { + "accept_msg", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.accept_msg), + &accept_message__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "reject_msg", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.reject_msg), + &reject_message__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "exit_msg", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.exit_msg), + &exit_message__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "restart_msg", + 4, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.restart_msg), + &restart_message__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "alert_msg", + 5, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.alert_msg), + &alert_message__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "ttyin_buf", + 6, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.ttyin_buf), + &io_buffer__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "ttyout_buf", + 7, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.ttyout_buf), + &io_buffer__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "stdin_buf", + 8, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.stdin_buf), + &io_buffer__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "stdout_buf", + 9, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.stdout_buf), + &io_buffer__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "stderr_buf", + 10, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.stderr_buf), + &io_buffer__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "winsize_event", + 11, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.winsize_event), + &change_window_size__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "suspend_event", + 12, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.suspend_event), + &command_suspend__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "hello_msg", + 13, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ClientMessage, type_case), + offsetof(ClientMessage, u.hello_msg), + &client_hello__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned client_message__field_indices_by_name[] = { + 0, /* field[0] = accept_msg */ + 4, /* field[4] = alert_msg */ + 2, /* field[2] = exit_msg */ + 12, /* field[12] = hello_msg */ + 1, /* field[1] = reject_msg */ + 3, /* field[3] = restart_msg */ + 9, /* field[9] = stderr_buf */ + 7, /* field[7] = stdin_buf */ + 8, /* field[8] = stdout_buf */ + 11, /* field[11] = suspend_event */ + 5, /* field[5] = ttyin_buf */ + 6, /* field[6] = ttyout_buf */ + 10, /* field[10] = winsize_event */ +}; +static const ProtobufCIntRange client_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 13 } +}; +const ProtobufCMessageDescriptor client_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ClientMessage", + "ClientMessage", + "ClientMessage", + "", + sizeof(ClientMessage), + 13, + client_message__field_descriptors, + client_message__field_indices_by_name, + 1, client_message__number_ranges, + (ProtobufCMessageInit) client_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor time_spec__field_descriptors[2] = +{ + { + "tv_sec", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT64, + 0, /* quantifier_offset */ + offsetof(TimeSpec, tv_sec), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "tv_nsec", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT32, + 0, /* quantifier_offset */ + offsetof(TimeSpec, tv_nsec), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned time_spec__field_indices_by_name[] = { + 1, /* field[1] = tv_nsec */ + 0, /* field[0] = tv_sec */ +}; +static const ProtobufCIntRange time_spec__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 2 } +}; +const ProtobufCMessageDescriptor time_spec__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "TimeSpec", + "TimeSpec", + "TimeSpec", + "", + sizeof(TimeSpec), + 2, + time_spec__field_descriptors, + time_spec__field_indices_by_name, + 1, time_spec__number_ranges, + (ProtobufCMessageInit) time_spec__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor io_buffer__field_descriptors[2] = +{ + { + "delay", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(IoBuffer, delay), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "data", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_BYTES, + 0, /* quantifier_offset */ + offsetof(IoBuffer, data), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned io_buffer__field_indices_by_name[] = { + 1, /* field[1] = data */ + 0, /* field[0] = delay */ +}; +static const ProtobufCIntRange io_buffer__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 2 } +}; +const ProtobufCMessageDescriptor io_buffer__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "IoBuffer", + "IoBuffer", + "IoBuffer", + "", + sizeof(IoBuffer), + 2, + io_buffer__field_descriptors, + io_buffer__field_indices_by_name, + 1, io_buffer__number_ranges, + (ProtobufCMessageInit) io_buffer__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor info_message__string_list__field_descriptors[1] = +{ + { + "strings", + 1, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_STRING, + offsetof(InfoMessage__StringList, n_strings), + offsetof(InfoMessage__StringList, strings), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned info_message__string_list__field_indices_by_name[] = { + 0, /* field[0] = strings */ +}; +static const ProtobufCIntRange info_message__string_list__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 1 } +}; +const ProtobufCMessageDescriptor info_message__string_list__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "InfoMessage.StringList", + "StringList", + "InfoMessage__StringList", + "", + sizeof(InfoMessage__StringList), + 1, + info_message__string_list__field_descriptors, + info_message__string_list__field_indices_by_name, + 1, info_message__string_list__number_ranges, + (ProtobufCMessageInit) info_message__string_list__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor info_message__number_list__field_descriptors[1] = +{ + { + "numbers", + 1, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_INT64, + offsetof(InfoMessage__NumberList, n_numbers), + offsetof(InfoMessage__NumberList, numbers), + NULL, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_PACKED, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned info_message__number_list__field_indices_by_name[] = { + 0, /* field[0] = numbers */ +}; +static const ProtobufCIntRange info_message__number_list__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 1 } +}; +const ProtobufCMessageDescriptor info_message__number_list__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "InfoMessage.NumberList", + "NumberList", + "InfoMessage__NumberList", + "", + sizeof(InfoMessage__NumberList), + 1, + info_message__number_list__field_descriptors, + info_message__number_list__field_indices_by_name, + 1, info_message__number_list__number_ranges, + (ProtobufCMessageInit) info_message__number_list__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor info_message__field_descriptors[5] = +{ + { + "key", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(InfoMessage, key), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "numval", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT64, + offsetof(InfoMessage, value_case), + offsetof(InfoMessage, u.numval), + NULL, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "strval", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + offsetof(InfoMessage, value_case), + offsetof(InfoMessage, u.strval), + NULL, + &protobuf_c_empty_string, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "strlistval", + 4, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(InfoMessage, value_case), + offsetof(InfoMessage, u.strlistval), + &info_message__string_list__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "numlistval", + 5, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(InfoMessage, value_case), + offsetof(InfoMessage, u.numlistval), + &info_message__number_list__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned info_message__field_indices_by_name[] = { + 0, /* field[0] = key */ + 4, /* field[4] = numlistval */ + 1, /* field[1] = numval */ + 3, /* field[3] = strlistval */ + 2, /* field[2] = strval */ +}; +static const ProtobufCIntRange info_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 5 } +}; +const ProtobufCMessageDescriptor info_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "InfoMessage", + "InfoMessage", + "InfoMessage", + "", + sizeof(InfoMessage), + 5, + info_message__field_descriptors, + info_message__field_indices_by_name, + 1, info_message__number_ranges, + (ProtobufCMessageInit) info_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor accept_message__field_descriptors[3] = +{ + { + "submit_time", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(AcceptMessage, submit_time), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "info_msgs", + 2, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(AcceptMessage, n_info_msgs), + offsetof(AcceptMessage, info_msgs), + &info_message__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "expect_iobufs", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_BOOL, + 0, /* quantifier_offset */ + offsetof(AcceptMessage, expect_iobufs), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned accept_message__field_indices_by_name[] = { + 2, /* field[2] = expect_iobufs */ + 1, /* field[1] = info_msgs */ + 0, /* field[0] = submit_time */ +}; +static const ProtobufCIntRange accept_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 3 } +}; +const ProtobufCMessageDescriptor accept_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "AcceptMessage", + "AcceptMessage", + "AcceptMessage", + "", + sizeof(AcceptMessage), + 3, + accept_message__field_descriptors, + accept_message__field_indices_by_name, + 1, accept_message__number_ranges, + (ProtobufCMessageInit) accept_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor reject_message__field_descriptors[3] = +{ + { + "submit_time", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(RejectMessage, submit_time), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "reason", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(RejectMessage, reason), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "info_msgs", + 3, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(RejectMessage, n_info_msgs), + offsetof(RejectMessage, info_msgs), + &info_message__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned reject_message__field_indices_by_name[] = { + 2, /* field[2] = info_msgs */ + 1, /* field[1] = reason */ + 0, /* field[0] = submit_time */ +}; +static const ProtobufCIntRange reject_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 3 } +}; +const ProtobufCMessageDescriptor reject_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "RejectMessage", + "RejectMessage", + "RejectMessage", + "", + sizeof(RejectMessage), + 3, + reject_message__field_descriptors, + reject_message__field_indices_by_name, + 1, reject_message__number_ranges, + (ProtobufCMessageInit) reject_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor exit_message__field_descriptors[5] = +{ + { + "run_time", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(ExitMessage, run_time), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "exit_value", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT32, + 0, /* quantifier_offset */ + offsetof(ExitMessage, exit_value), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "dumped_core", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_BOOL, + 0, /* quantifier_offset */ + offsetof(ExitMessage, dumped_core), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "signal", + 4, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(ExitMessage, signal), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "error", + 5, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(ExitMessage, error), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned exit_message__field_indices_by_name[] = { + 2, /* field[2] = dumped_core */ + 4, /* field[4] = error */ + 1, /* field[1] = exit_value */ + 0, /* field[0] = run_time */ + 3, /* field[3] = signal */ +}; +static const ProtobufCIntRange exit_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 5 } +}; +const ProtobufCMessageDescriptor exit_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ExitMessage", + "ExitMessage", + "ExitMessage", + "", + sizeof(ExitMessage), + 5, + exit_message__field_descriptors, + exit_message__field_indices_by_name, + 1, exit_message__number_ranges, + (ProtobufCMessageInit) exit_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor alert_message__field_descriptors[3] = +{ + { + "alert_time", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(AlertMessage, alert_time), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "reason", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(AlertMessage, reason), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "info_msgs", + 3, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(AlertMessage, n_info_msgs), + offsetof(AlertMessage, info_msgs), + &info_message__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned alert_message__field_indices_by_name[] = { + 0, /* field[0] = alert_time */ + 2, /* field[2] = info_msgs */ + 1, /* field[1] = reason */ +}; +static const ProtobufCIntRange alert_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 3 } +}; +const ProtobufCMessageDescriptor alert_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "AlertMessage", + "AlertMessage", + "AlertMessage", + "", + sizeof(AlertMessage), + 3, + alert_message__field_descriptors, + alert_message__field_indices_by_name, + 1, alert_message__number_ranges, + (ProtobufCMessageInit) alert_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor restart_message__field_descriptors[2] = +{ + { + "log_id", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(RestartMessage, log_id), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "resume_point", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(RestartMessage, resume_point), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned restart_message__field_indices_by_name[] = { + 0, /* field[0] = log_id */ + 1, /* field[1] = resume_point */ +}; +static const ProtobufCIntRange restart_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 2 } +}; +const ProtobufCMessageDescriptor restart_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "RestartMessage", + "RestartMessage", + "RestartMessage", + "", + sizeof(RestartMessage), + 2, + restart_message__field_descriptors, + restart_message__field_indices_by_name, + 1, restart_message__number_ranges, + (ProtobufCMessageInit) restart_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor change_window_size__field_descriptors[3] = +{ + { + "delay", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(ChangeWindowSize, delay), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "rows", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT32, + 0, /* quantifier_offset */ + offsetof(ChangeWindowSize, rows), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "cols", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_INT32, + 0, /* quantifier_offset */ + offsetof(ChangeWindowSize, cols), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned change_window_size__field_indices_by_name[] = { + 2, /* field[2] = cols */ + 0, /* field[0] = delay */ + 1, /* field[1] = rows */ +}; +static const ProtobufCIntRange change_window_size__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 3 } +}; +const ProtobufCMessageDescriptor change_window_size__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ChangeWindowSize", + "ChangeWindowSize", + "ChangeWindowSize", + "", + sizeof(ChangeWindowSize), + 3, + change_window_size__field_descriptors, + change_window_size__field_indices_by_name, + 1, change_window_size__number_ranges, + (ProtobufCMessageInit) change_window_size__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor command_suspend__field_descriptors[2] = +{ + { + "delay", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + 0, /* quantifier_offset */ + offsetof(CommandSuspend, delay), + &time_spec__descriptor, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "signal", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(CommandSuspend, signal), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned command_suspend__field_indices_by_name[] = { + 0, /* field[0] = delay */ + 1, /* field[1] = signal */ +}; +static const ProtobufCIntRange command_suspend__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 2 } +}; +const ProtobufCMessageDescriptor command_suspend__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "CommandSuspend", + "CommandSuspend", + "CommandSuspend", + "", + sizeof(CommandSuspend), + 2, + command_suspend__field_descriptors, + command_suspend__field_indices_by_name, + 1, command_suspend__number_ranges, + (ProtobufCMessageInit) command_suspend__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor client_hello__field_descriptors[1] = +{ + { + "client_id", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(ClientHello, client_id), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned client_hello__field_indices_by_name[] = { + 0, /* field[0] = client_id */ +}; +static const ProtobufCIntRange client_hello__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 1 } +}; +const ProtobufCMessageDescriptor client_hello__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ClientHello", + "ClientHello", + "ClientHello", + "", + sizeof(ClientHello), + 1, + client_hello__field_descriptors, + client_hello__field_indices_by_name, + 1, client_hello__number_ranges, + (ProtobufCMessageInit) client_hello__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor server_message__field_descriptors[5] = +{ + { + "hello", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ServerMessage, type_case), + offsetof(ServerMessage, u.hello), + &server_hello__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "commit_point", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_MESSAGE, + offsetof(ServerMessage, type_case), + offsetof(ServerMessage, u.commit_point), + &time_spec__descriptor, + NULL, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "log_id", + 3, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + offsetof(ServerMessage, type_case), + offsetof(ServerMessage, u.log_id), + NULL, + &protobuf_c_empty_string, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "error", + 4, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + offsetof(ServerMessage, type_case), + offsetof(ServerMessage, u.error), + NULL, + &protobuf_c_empty_string, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "abort", + 5, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + offsetof(ServerMessage, type_case), + offsetof(ServerMessage, u.abort), + NULL, + &protobuf_c_empty_string, + 0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned server_message__field_indices_by_name[] = { + 4, /* field[4] = abort */ + 1, /* field[1] = commit_point */ + 3, /* field[3] = error */ + 0, /* field[0] = hello */ + 2, /* field[2] = log_id */ +}; +static const ProtobufCIntRange server_message__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 5 } +}; +const ProtobufCMessageDescriptor server_message__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ServerMessage", + "ServerMessage", + "ServerMessage", + "", + sizeof(ServerMessage), + 5, + server_message__field_descriptors, + server_message__field_indices_by_name, + 1, server_message__number_ranges, + (ProtobufCMessageInit) server_message__init, + NULL,NULL,NULL /* reserved[123] */ +}; +static const ProtobufCFieldDescriptor server_hello__field_descriptors[4] = +{ + { + "server_id", + 1, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(ServerHello, server_id), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "redirect", + 2, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_STRING, + 0, /* quantifier_offset */ + offsetof(ServerHello, redirect), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "servers", + 3, + PROTOBUF_C_LABEL_REPEATED, + PROTOBUF_C_TYPE_STRING, + offsetof(ServerHello, n_servers), + offsetof(ServerHello, servers), + NULL, + &protobuf_c_empty_string, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, + { + "subcommands", + 4, + PROTOBUF_C_LABEL_NONE, + PROTOBUF_C_TYPE_BOOL, + 0, /* quantifier_offset */ + offsetof(ServerHello, subcommands), + NULL, + NULL, + 0, /* flags */ + 0,NULL,NULL /* reserved1,reserved2, etc */ + }, +}; +static const unsigned server_hello__field_indices_by_name[] = { + 1, /* field[1] = redirect */ + 0, /* field[0] = server_id */ + 2, /* field[2] = servers */ + 3, /* field[3] = subcommands */ +}; +static const ProtobufCIntRange server_hello__number_ranges[1 + 1] = +{ + { 1, 0 }, + { 0, 4 } +}; +const ProtobufCMessageDescriptor server_hello__descriptor = +{ + PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, + "ServerHello", + "ServerHello", + "ServerHello", + "", + sizeof(ServerHello), + 4, + server_hello__field_descriptors, + server_hello__field_indices_by_name, + 1, server_hello__number_ranges, + (ProtobufCMessageInit) server_hello__init, + NULL,NULL,NULL /* reserved[123] */ +}; diff --git a/lib/logsrv/log_server.proto b/lib/logsrv/log_server.proto new file mode 100644 index 0000000..23b716e --- /dev/null +++ b/lib/logsrv/log_server.proto @@ -0,0 +1,136 @@ +syntax = "proto3"; + +/* + * Client message to the server. Messages on the wire are + * prefixed with a 32-bit size in network byte order. + */ +message ClientMessage { + oneof type { + AcceptMessage accept_msg = 1; + RejectMessage reject_msg = 2; + ExitMessage exit_msg = 3; + RestartMessage restart_msg = 4; + AlertMessage alert_msg = 5; + IoBuffer ttyin_buf = 6; + IoBuffer ttyout_buf = 7; + IoBuffer stdin_buf = 8; + IoBuffer stdout_buf = 9; + IoBuffer stderr_buf = 10; + ChangeWindowSize winsize_event = 11; + CommandSuspend suspend_event = 12; + ClientHello hello_msg = 13; + } +} + +/* Equivalent of POSIX struct timespec */ +message TimeSpec { + int64 tv_sec = 1; /* seconds */ + int32 tv_nsec = 2; /* nanoseconds */ +} + +/* I/O buffer with keystroke data */ +message IoBuffer { + TimeSpec delay = 1; /* elapsed time since last record */ + bytes data = 2; /* keystroke data */ +} + +/* + * Key/value pairs, like Privilege Manager struct info. + * The value may be a number, a string, or a list of strings. + */ +message InfoMessage { + message StringList { + repeated string strings = 1; + } + message NumberList { + repeated int64 numbers = 1; + } + string key = 1; + oneof value { + int64 numval = 2; + string strval = 3; + StringList strlistval = 4; + NumberList numlistval = 5; + } +} + +/* + * Event log data for command accepted by the policy. + */ +message AcceptMessage { + TimeSpec submit_time = 1; /* when command was submitted */ + repeated InfoMessage info_msgs = 2; /* key,value event log data */ + bool expect_iobufs = 3; /* true if I/O logging enabled */ +} + +/* + * Event log data for command rejected by the policy. + */ +message RejectMessage { + TimeSpec submit_time = 1; /* when command was submitted */ + string reason = 2; /* reason command was rejected */ + repeated InfoMessage info_msgs = 3; /* key,value event log data */ +} + +/* Message sent by client when command exits. */ +/* Might revisit runtime and use end_time instead */ +message ExitMessage { + TimeSpec run_time = 1; /* total elapsed run time */ + int32 exit_value = 2; /* 0-255 */ + bool dumped_core = 3; /* true if command dumped core */ + string signal = 4; /* signal name if killed by signal */ + string error = 5; /* if killed due to other error */ +} + +/* Alert message, policy module-specific. */ +message AlertMessage { + TimeSpec alert_time = 1; /* time alert message occurred */ + string reason = 2; /* policy alert error string */ + repeated InfoMessage info_msgs = 3; /* optional key,value event log data */ +} + +/* Used to restart an existing I/O log on the server. */ +message RestartMessage { + string log_id = 1; /* ID of log being restarted */ + TimeSpec resume_point = 2; /* resume point (elapsed time) */ +} + +/* Window size change event. */ +message ChangeWindowSize { + TimeSpec delay = 1; /* elapsed time since last record */ + int32 rows = 2; /* new number of rows */ + int32 cols = 3; /* new number of columns */ +} + +/* Command suspend/resume event. */ +message CommandSuspend { + TimeSpec delay = 1; /* elapsed time since last record */ + string signal = 2; /* signal that caused suspend/resume */ +} + +/* Hello message from client when connecting to server. */ +message ClientHello { + string client_id = 1; /* free-form client description */ +} + +/* + * Server messages to the client. Messages on the wire are + * prefixed with a 32-bit size in network byte order. + */ +message ServerMessage { + oneof type { + ServerHello hello = 1; /* server hello message */ + TimeSpec commit_point = 2; /* cumulative time of records stored */ + string log_id = 3; /* ID of server-side I/O log */ + string error = 4; /* error message from server */ + string abort = 5; /* abort message, kill command */ + } +} + +/* Hello message from server when client connects. */ +message ServerHello { + string server_id = 1; /* free-form server description */ + string redirect = 2; /* optional redirect if busy */ + repeated string servers = 3; /* optional list of known servers */ + bool subcommands = 4; /* flag: server supports sub-commands */ +} diff --git a/lib/protobuf-c/Makefile.in b/lib/protobuf-c/Makefile.in new file mode 100644 index 0000000..49b1e9d --- /dev/null +++ b/lib/protobuf-c/Makefile.in @@ -0,0 +1,180 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) -I$(top_srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LIBPROTOBUF_C_OBJS = protobuf-c.lo + +IOBJS = $(LIBPROTOBUF_C_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +all: libprotobuf-c.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/protobuf-c/Makefile.in + cd $(top_builddir) && ./config.status --file lib/protobuf-c/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/protobuf-c/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +$(devdir)/log_server.pb-c.c: $(srcdir)/log_server.proto + @if [ -n "$(DEVEL)" ]; then \ + cmd='protoc-c --c_out=$(devdir) --proto_path=$(srcdir) $(srcdir)/log_server.proto'; \ + echo "$$cmd"; eval $$cmd; \ + cmd='$(scriptdir)/unanon $(devdir)/log_server.pb-c.h $(devdir)/log_server.pb-c.c'; \ + echo "$$cmd"; eval $$cmd; \ + if [ "$(devdir)" == "$(srcdir)" ]; then \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(incdir)/log_server.pb-c.h'; \ + else \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(top_builddir)/log_server.pb-c.h'; \ + fi; \ + echo "$$cmd"; eval $$cmd; \ + fi + +libprotobuf-c.la: $(LIBPROTOBUF_C_OBJS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBPROTOBUF_C_OBJS) + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +pvs-log-files: + +pvs-studio: + +fuzz: + +check-fuzzer: + +check: check-fuzzer + +check-verbose: check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +protobuf-c.lo: $(srcdir)/protobuf-c.c $(incdir)/compat/endian.h \ + $(incdir)/protobuf-c/protobuf-c.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/protobuf-c.c +protobuf-c.i: $(srcdir)/protobuf-c.c $(incdir)/compat/endian.h \ + $(incdir)/protobuf-c/protobuf-c.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +protobuf-c.plog: protobuf-c.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/protobuf-c.c --i-file $< --output-file $@ diff --git a/lib/protobuf-c/protobuf-c.c b/lib/protobuf-c/protobuf-c.c new file mode 100644 index 0000000..9d7da26 --- /dev/null +++ b/lib/protobuf-c/protobuf-c.c @@ -0,0 +1,3687 @@ +/* + * Copyright (c) 2008-2022, Dave Benson and the protobuf-c authors. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/*! \file + * Support library for `protoc-c` generated code. + * + * This file implements the public API used by the code generated + * by `protoc-c`. + * + * \authors Dave Benson and the protobuf-c authors + * + * \copyright 2008-2014. Licensed under the terms of the [BSD-2-Clause] license. + */ + +/** + * \todo 64-BIT OPTIMIZATION: certain implementations use 32-bit math + * even on 64-bit platforms (uint64_size, uint64_pack, parse_uint64). + * + * \todo Use size_t consistently. + */ + +#include <config.h> + +#include <stdlib.h> /* for malloc, free */ +#include <string.h> /* for strcmp, strlen, memcpy, memmove, memset */ +#if defined(HAVE_ENDIAN_H) +# include <endian.h> +#elif defined(HAVE_SYS_ENDIAN_H) +# include <sys/endian.h> +#elif defined(HAVE_MACHINE_ENDIAN_H) +# include <machine/endian.h> +#else +# include <compat/endian.h> +#endif + +#include <protobuf-c/protobuf-c.h> + +#if BYTE_ORDER == BIG_ENDIAN +# define WORDS_BIGENDIAN +#endif + +#define TRUE 1 +#define FALSE 0 + +#define PROTOBUF_C__ASSERT_NOT_REACHED() assert(0) + +/* Workaround for Microsoft compilers. */ +#ifdef _MSC_VER +# define inline __inline +#endif + +/** + * \defgroup internal Internal functions and macros + * + * These are not exported by the library but are useful to developers working + * on `libprotobuf-c` itself. + */ + +/** + * \defgroup macros Utility macros for manipulating structures + * + * Macros and constants used to manipulate the base "classes" generated by + * `protobuf-c`. They also define limits and check correctness. + * + * \ingroup internal + * @{ + */ + +/** The maximum length of a 64-bit integer in varint encoding. */ +#define MAX_UINT64_ENCODED_SIZE 10 + +#ifndef PROTOBUF_C_UNPACK_ERROR +# define PROTOBUF_C_UNPACK_ERROR(...) +#endif + +#if !defined(_WIN32) || !defined(PROTOBUF_C_USE_SHARED_LIB) +const char protobuf_c_empty_string[] = ""; +#endif + +/** + * Internal `ProtobufCMessage` manipulation macro. + * + * Base macro for manipulating a `ProtobufCMessage`. Used by STRUCT_MEMBER() and + * STRUCT_MEMBER_PTR(). + */ +#define STRUCT_MEMBER_P(struct_p, struct_offset) \ + ((void *) ((uint8_t *) (struct_p) + (struct_offset))) + +/** + * Return field in a `ProtobufCMessage` based on offset. + * + * Take a pointer to a `ProtobufCMessage` and find the field at the offset. + * Cast it to the passed type. + */ +#define STRUCT_MEMBER(member_type, struct_p, struct_offset) \ + (*(member_type *) STRUCT_MEMBER_P((struct_p), (struct_offset))) + +/** + * Return field in a `ProtobufCMessage` based on offset. + * + * Take a pointer to a `ProtobufCMessage` and find the field at the offset. Cast + * it to a pointer to the passed type. + */ +#define STRUCT_MEMBER_PTR(member_type, struct_p, struct_offset) \ + ((member_type *) STRUCT_MEMBER_P((struct_p), (struct_offset))) + +/* Assertions for magic numbers. */ + +#define ASSERT_IS_ENUM_DESCRIPTOR(desc) \ + assert((desc)->magic == PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC) + +#define ASSERT_IS_MESSAGE_DESCRIPTOR(desc) \ + assert((desc)->magic == PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC) + +#define ASSERT_IS_MESSAGE(message) \ + ASSERT_IS_MESSAGE_DESCRIPTOR((message)->descriptor) + +#define ASSERT_IS_SERVICE_DESCRIPTOR(desc) \ + assert((desc)->magic == PROTOBUF_C__SERVICE_DESCRIPTOR_MAGIC) + +/**@}*/ + +/* --- version --- */ + +const char * +protobuf_c_version(void) +{ + return PROTOBUF_C_VERSION; +} + +uint32_t +protobuf_c_version_number(void) +{ + return PROTOBUF_C_VERSION_NUMBER; +} + +/* --- allocator --- */ + +static void * +system_alloc(void *allocator_data, size_t size) +{ + (void)allocator_data; + return malloc(size); +} + +static void +system_free(void *allocator_data, void *data) +{ + (void)allocator_data; + free(data); +} + +static inline void * +do_alloc(ProtobufCAllocator *allocator, size_t size) +{ + return allocator->alloc(allocator->allocator_data, size); +} + +static inline void +do_free(ProtobufCAllocator *allocator, void *data) +{ + if (data != NULL) + allocator->free(allocator->allocator_data, data); +} + +/* + * This allocator uses the system's malloc() and free(). It is the default + * allocator used if NULL is passed as the ProtobufCAllocator to an exported + * function. + */ +static ProtobufCAllocator protobuf_c__allocator = { + .alloc = &system_alloc, + .free = &system_free, + .allocator_data = NULL, +}; + +/* === buffer-simple === */ + +void +protobuf_c_buffer_simple_append(ProtobufCBuffer *buffer, + size_t len, const uint8_t *data) +{ + ProtobufCBufferSimple *simp = (ProtobufCBufferSimple *) buffer; + size_t new_len = simp->len + len; + + if (new_len > simp->alloced) { + ProtobufCAllocator *allocator = simp->allocator; + size_t new_alloced = simp->alloced * 2; + uint8_t *new_data; + + if (allocator == NULL) + allocator = &protobuf_c__allocator; + while (new_alloced < new_len) + new_alloced += new_alloced; + new_data = do_alloc(allocator, new_alloced); + if (!new_data) + return; + memcpy(new_data, simp->data, simp->len); + if (simp->must_free_data) + do_free(allocator, simp->data); + else + simp->must_free_data = TRUE; + simp->data = new_data; + simp->alloced = new_alloced; + } + memcpy(simp->data + simp->len, data, len); + simp->len = new_len; +} + +/** + * \defgroup packedsz protobuf_c_message_get_packed_size() implementation + * + * Routines mainly used by protobuf_c_message_get_packed_size(). + * + * \ingroup internal + * @{ + */ + +/** + * Return the number of bytes required to store the tag for the field. Includes + * 3 bits for the wire-type, and a single bit that denotes the end-of-tag. + * + * \param number + * Field tag to encode. + * \return + * Number of bytes required. + */ +static inline size_t +get_tag_size(uint32_t number) +{ + if (number < (1UL << 4)) { + return 1; + } else if (number < (1UL << 11)) { + return 2; + } else if (number < (1UL << 18)) { + return 3; + } else if (number < (1UL << 25)) { + return 4; + } else { + return 5; + } +} + +/** + * Return the number of bytes required to store a variable-length unsigned + * 32-bit integer in base-128 varint encoding. + * + * \param v + * Value to encode. + * \return + * Number of bytes required. + */ +static inline size_t +uint32_size(uint32_t v) +{ + if (v < (1UL << 7)) { + return 1; + } else if (v < (1UL << 14)) { + return 2; + } else if (v < (1UL << 21)) { + return 3; + } else if (v < (1UL << 28)) { + return 4; + } else { + return 5; + } +} + +/** + * Return the number of bytes required to store a variable-length signed 32-bit + * integer in base-128 varint encoding. + * + * \param v + * Value to encode. + * \return + * Number of bytes required. + */ +static inline size_t +int32_size(int32_t v) +{ + if (v < 0) { + return 10; + } else if (v < (1L << 7)) { + return 1; + } else if (v < (1L << 14)) { + return 2; + } else if (v < (1L << 21)) { + return 3; + } else if (v < (1L << 28)) { + return 4; + } else { + return 5; + } +} + +/** + * Return the ZigZag-encoded 32-bit unsigned integer form of a 32-bit signed + * integer. + * + * \param v + * Value to encode. + * \return + * ZigZag encoded integer. + */ +static inline uint32_t +zigzag32(int32_t v) +{ + // Note: Using unsigned types prevents undefined behavior + return ((uint32_t)v << 1) ^ -((uint32_t)v >> 31); +} + +/** + * Return the number of bytes required to store a signed 32-bit integer, + * converted to an unsigned 32-bit integer with ZigZag encoding, using base-128 + * varint encoding. + * + * \param v + * Value to encode. + * \return + * Number of bytes required. + */ +static inline size_t +sint32_size(int32_t v) +{ + return uint32_size(zigzag32(v)); +} + +/** + * Return the number of bytes required to store a 64-bit unsigned integer in + * base-128 varint encoding. + * + * \param v + * Value to encode. + * \return + * Number of bytes required. + */ +static inline size_t +uint64_size(uint64_t v) +{ + uint32_t upper_v = (uint32_t) (v >> 32); + + if (upper_v == 0) { + return uint32_size((uint32_t) v); + } else if (upper_v < (1UL << 3)) { + return 5; + } else if (upper_v < (1UL << 10)) { + return 6; + } else if (upper_v < (1UL << 17)) { + return 7; + } else if (upper_v < (1UL << 24)) { + return 8; + } else if (upper_v < (1UL << 31)) { + return 9; + } else { + return 10; + } +} + +/** + * Return the ZigZag-encoded 64-bit unsigned integer form of a 64-bit signed + * integer. + * + * \param v + * Value to encode. + * \return + * ZigZag encoded integer. + */ +static inline uint64_t +zigzag64(int64_t v) +{ + // Note: Using unsigned types prevents undefined behavior + return ((uint64_t)v << 1) ^ -((uint64_t)v >> 63); +} + +/** + * Return the number of bytes required to store a signed 64-bit integer, + * converted to an unsigned 64-bit integer with ZigZag encoding, using base-128 + * varint encoding. + * + * \param v + * Value to encode. + * \return + * Number of bytes required. + */ +static inline size_t +sint64_size(int64_t v) +{ + return uint64_size(zigzag64(v)); +} + +/** + * Calculate the serialized size of a single required message field, including + * the space needed by the preceding tag. + * + * \param field + * Field descriptor for member. + * \param member + * Field to encode. + * \return + * Number of bytes required. + */ +static size_t +required_field_get_packed_size(const ProtobufCFieldDescriptor *field, + const void *member) +{ + size_t rv = get_tag_size(field->id); + + switch (field->type) { + case PROTOBUF_C_TYPE_SINT32: + return rv + sint32_size(*(const int32_t *) member); + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + return rv + int32_size(*(const int32_t *) member); + case PROTOBUF_C_TYPE_UINT32: + return rv + uint32_size(*(const uint32_t *) member); + case PROTOBUF_C_TYPE_SINT64: + return rv + sint64_size(*(const int64_t *) member); + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + return rv + uint64_size(*(const uint64_t *) member); + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + return rv + 4; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + return rv + 8; + case PROTOBUF_C_TYPE_BOOL: + return rv + 1; + case PROTOBUF_C_TYPE_FLOAT: + return rv + 4; + case PROTOBUF_C_TYPE_DOUBLE: + return rv + 8; + case PROTOBUF_C_TYPE_STRING: { + const char *str = *(char * const *) member; + size_t len = str ? strlen(str) : 0; + return rv + uint32_size(len) + len; + } + case PROTOBUF_C_TYPE_BYTES: { + size_t len = ((const ProtobufCBinaryData *) member)->len; + return rv + uint32_size(len) + len; + } + case PROTOBUF_C_TYPE_MESSAGE: { + const ProtobufCMessage *msg = *(ProtobufCMessage * const *) member; + size_t subrv = msg ? protobuf_c_message_get_packed_size(msg) : 0; + return rv + uint32_size(subrv) + subrv; + } + } + PROTOBUF_C__ASSERT_NOT_REACHED(); + return 0; +} + +/** + * Calculate the serialized size of a single oneof message field, including + * the space needed by the preceding tag. Returns 0 if the oneof field isn't + * selected or is not set. + * + * \param field + * Field descriptor for member. + * \param oneof_case + * Enum value that selects the field in the oneof. + * \param member + * Field to encode. + * \return + * Number of bytes required. + */ +static size_t +oneof_field_get_packed_size(const ProtobufCFieldDescriptor *field, + uint32_t oneof_case, + const void *member) +{ + if (oneof_case != field->id) { + return 0; + } + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void * const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } + return required_field_get_packed_size(field, member); +} + +/** + * Calculate the serialized size of a single optional message field, including + * the space needed by the preceding tag. Returns 0 if the optional field isn't + * set. + * + * \param field + * Field descriptor for member. + * \param has + * True if the field exists, false if not. + * \param member + * Field to encode. + * \return + * Number of bytes required. + */ +static size_t +optional_field_get_packed_size(const ProtobufCFieldDescriptor *field, + const protobuf_c_boolean has, + const void *member) +{ + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void * const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } else { + if (!has) + return 0; + } + return required_field_get_packed_size(field, member); +} + +static protobuf_c_boolean +field_is_zeroish(const ProtobufCFieldDescriptor *field, + const void *member) +{ + protobuf_c_boolean ret = FALSE; + + switch (field->type) { + case PROTOBUF_C_TYPE_BOOL: + ret = (0 == *(const protobuf_c_boolean *) member); + break; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_SINT32: + case PROTOBUF_C_TYPE_INT32: + case PROTOBUF_C_TYPE_UINT32: + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + ret = (0 == *(const uint32_t *) member); + break; + case PROTOBUF_C_TYPE_SINT64: + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + ret = (0 == *(const uint64_t *) member); + break; + case PROTOBUF_C_TYPE_FLOAT: + ret = (0 == *(const float *) member); + break; + case PROTOBUF_C_TYPE_DOUBLE: + ret = (0 == *(const double *) member); + break; + case PROTOBUF_C_TYPE_STRING: + ret = (NULL == *(const char * const *) member) || + ('\0' == **(const char * const *) member); + break; + case PROTOBUF_C_TYPE_BYTES: + case PROTOBUF_C_TYPE_MESSAGE: + ret = (NULL == *(const void * const *) member); + break; + default: + ret = TRUE; + break; + } + + return ret; +} + +/** + * Calculate the serialized size of a single unlabeled message field, including + * the space needed by the preceding tag. Returns 0 if the field isn't set or + * if it is set to a "zeroish" value (null pointer or 0 for numerical values). + * Unlabeled fields are supported only in proto3. + * + * \param field + * Field descriptor for member. + * \param member + * Field to encode. + * \return + * Number of bytes required. + */ +static size_t +unlabeled_field_get_packed_size(const ProtobufCFieldDescriptor *field, + const void *member) +{ + if (field_is_zeroish(field, member)) + return 0; + return required_field_get_packed_size(field, member); +} + +/** + * Calculate the serialized size of repeated message fields, which may consist + * of any number of values (including 0). Includes the space needed by the + * preceding tags (as needed). + * + * \param field + * Field descriptor for member. + * \param count + * Number of repeated field members. + * \param member + * Field to encode. + * \return + * Number of bytes required. + */ +static size_t +repeated_field_get_packed_size(const ProtobufCFieldDescriptor *field, + size_t count, const void *member) +{ + size_t header_size; + size_t rv = 0; + unsigned i; + void *array = *(void * const *) member; + + if (count == 0) + return 0; + header_size = get_tag_size(field->id); + if (0 == (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED)) + header_size *= count; + + switch (field->type) { + case PROTOBUF_C_TYPE_SINT32: + for (i = 0; i < count; i++) + rv += sint32_size(((int32_t *) array)[i]); + break; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + for (i = 0; i < count; i++) + rv += int32_size(((int32_t *) array)[i]); + break; + case PROTOBUF_C_TYPE_UINT32: + for (i = 0; i < count; i++) + rv += uint32_size(((uint32_t *) array)[i]); + break; + case PROTOBUF_C_TYPE_SINT64: + for (i = 0; i < count; i++) + rv += sint64_size(((int64_t *) array)[i]); + break; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + for (i = 0; i < count; i++) + rv += uint64_size(((uint64_t *) array)[i]); + break; + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + rv += 4 * count; + break; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + rv += 8 * count; + break; + case PROTOBUF_C_TYPE_BOOL: + rv += count; + break; + case PROTOBUF_C_TYPE_STRING: + for (i = 0; i < count; i++) { + size_t len = strlen(((char **) array)[i]); + rv += uint32_size(len) + len; + } + break; + case PROTOBUF_C_TYPE_BYTES: + for (i = 0; i < count; i++) { + size_t len = ((ProtobufCBinaryData *) array)[i].len; + rv += uint32_size(len) + len; + } + break; + case PROTOBUF_C_TYPE_MESSAGE: + for (i = 0; i < count; i++) { + size_t len = protobuf_c_message_get_packed_size( + ((ProtobufCMessage **) array)[i]); + rv += uint32_size(len) + len; + } + break; + } + + if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED)) + header_size += uint32_size(rv); + return header_size + rv; +} + +/** + * Calculate the serialized size of an unknown field, i.e. one that is passed + * through mostly uninterpreted. This is required for forward compatibility if + * new fields are added to the message descriptor. + * + * \param field + * Unknown field type. + * \return + * Number of bytes required. + */ +static inline size_t +unknown_field_get_packed_size(const ProtobufCMessageUnknownField *field) +{ + return get_tag_size(field->tag) + field->len; +} + +/**@}*/ + +/* + * Calculate the serialized size of the message. + */ +size_t protobuf_c_message_get_packed_size(const ProtobufCMessage *message) +{ + unsigned i; + size_t rv = 0; + + ASSERT_IS_MESSAGE(message); + for (i = 0; i < message->descriptor->n_fields; i++) { + const ProtobufCFieldDescriptor *field = + message->descriptor->fields + i; + const void *member = + ((const char *) message) + field->offset; + const void *qmember = + ((const char *) message) + field->quantifier_offset; + + if (field->label == PROTOBUF_C_LABEL_REQUIRED) { + rv += required_field_get_packed_size(field, member); + } else if ((field->label == PROTOBUF_C_LABEL_OPTIONAL || + field->label == PROTOBUF_C_LABEL_NONE) && + (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF))) { + rv += oneof_field_get_packed_size( + field, + *(const uint32_t *) qmember, + member + ); + } else if (field->label == PROTOBUF_C_LABEL_OPTIONAL) { + rv += optional_field_get_packed_size( + field, + *(protobuf_c_boolean *) qmember, + member + ); + } else if (field->label == PROTOBUF_C_LABEL_NONE) { + rv += unlabeled_field_get_packed_size( + field, + member + ); + } else { + rv += repeated_field_get_packed_size( + field, + *(const size_t *) qmember, + member + ); + } + } + for (i = 0; i < message->n_unknown_fields; i++) + rv += unknown_field_get_packed_size(&message->unknown_fields[i]); + return rv; +} + +/** + * \defgroup pack protobuf_c_message_pack() implementation + * + * Routines mainly used by protobuf_c_message_pack(). + * + * \ingroup internal + * @{ + */ + +/** + * Pack an unsigned 32-bit integer in base-128 varint encoding and return the + * number of bytes written, which must be 5 or less. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +uint32_pack(uint32_t value, uint8_t *out) +{ + unsigned rv = 0; + + if (value >= 0x80) { + out[rv++] = value | 0x80; + value >>= 7; + if (value >= 0x80) { + out[rv++] = value | 0x80; + value >>= 7; + if (value >= 0x80) { + out[rv++] = value | 0x80; + value >>= 7; + if (value >= 0x80) { + out[rv++] = value | 0x80; + value >>= 7; + } + } + } + } + /* assert: value<128 */ + out[rv++] = value; + return rv; +} + +/** + * Pack a signed 32-bit integer and return the number of bytes written, + * passed as unsigned to avoid implementation-specific behavior. + * Negative numbers are encoded as two's complement 64-bit integers. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +int32_pack(uint32_t value, uint8_t *out) +{ + if ((int32_t)value < 0) { + out[0] = value | 0x80; + out[1] = (value >> 7) | 0x80; + out[2] = (value >> 14) | 0x80; + out[3] = (value >> 21) | 0x80; + out[4] = (value >> 28) | 0xf0; + out[5] = out[6] = out[7] = out[8] = 0xff; + out[9] = 0x01; + return 10; + } else { + return uint32_pack(value, out); + } +} + +/** + * Pack a signed 32-bit integer using ZigZag encoding and return the number of + * bytes written. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +sint32_pack(int32_t value, uint8_t *out) +{ + return uint32_pack(zigzag32(value), out); +} + +/** + * Pack a 64-bit unsigned integer using base-128 varint encoding and return the + * number of bytes written. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +uint64_pack(uint64_t value, uint8_t *out) +{ + uint32_t hi = (uint32_t) (value >> 32); + uint32_t lo = (uint32_t) value; + unsigned rv; + + if (hi == 0) + return uint32_pack((uint32_t) lo, out); + out[0] = (lo) | 0x80; + out[1] = (lo >> 7) | 0x80; + out[2] = (lo >> 14) | 0x80; + out[3] = (lo >> 21) | 0x80; + if (hi < 8) { + out[4] = (hi << 4) | (lo >> 28); + return 5; + } else { + out[4] = ((hi & 7) << 4) | (lo >> 28) | 0x80; + hi >>= 3; + } + rv = 5; + while (hi >= 128) { + out[rv++] = hi | 0x80; + hi >>= 7; + } + out[rv++] = hi; + return rv; +} + +/** + * Pack a 64-bit signed integer in ZigZag encoding and return the number of + * bytes written. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +sint64_pack(int64_t value, uint8_t *out) +{ + return uint64_pack(zigzag64(value), out); +} + +/** + * Pack a 32-bit quantity in little-endian byte order. Used for protobuf wire + * types fixed32, sfixed32, float. Similar to "htole32". + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +fixed32_pack(uint32_t value, void *out) +{ +#if !defined(WORDS_BIGENDIAN) + memcpy(out, &value, 4); +#else + uint8_t *buf = out; + + buf[0] = value; + buf[1] = value >> 8; + buf[2] = value >> 16; + buf[3] = value >> 24; +#endif + return 4; +} + +/** + * Pack a 64-bit quantity in little-endian byte order. Used for protobuf wire + * types fixed64, sfixed64, double. Similar to "htole64". + * + * \todo The big-endian impl is really only good for 32-bit machines, a 64-bit + * version would be appreciated, plus a way to decide to use 64-bit math where + * convenient. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +fixed64_pack(uint64_t value, void *out) +{ +#if !defined(WORDS_BIGENDIAN) + memcpy(out, &value, 8); +#else + fixed32_pack(value, out); + fixed32_pack(value >> 32, ((char *) out) + 4); +#endif + return 8; +} + +/** + * Pack a boolean value as an integer and return the number of bytes written. + * + * \todo Perhaps on some platforms *out = !!value would be a better impl, b/c + * that is idiomatic C++ in some STL implementations. + * + * \param value + * Value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +boolean_pack(protobuf_c_boolean value, uint8_t *out) +{ + *out = value ? TRUE : FALSE; + return 1; +} + +/** + * Pack a NUL-terminated C string and return the number of bytes written. The + * output includes a length delimiter. + * + * The NULL pointer is treated as an empty string. This isn't really necessary, + * but it allows people to leave required strings blank. (See Issue #13 in the + * bug tracker for a little more explanation). + * + * \param str + * String to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +string_pack(const char *str, uint8_t *out) +{ + if (str == NULL) { + out[0] = 0; + return 1; + } else { + size_t len = strlen(str); + size_t rv = uint32_pack(len, out); + memcpy(out + rv, str, len); + return rv + len; + } +} + +/** + * Pack a ProtobufCBinaryData and return the number of bytes written. The output + * includes a length delimiter. + * + * \param bd + * ProtobufCBinaryData to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +binary_data_pack(const ProtobufCBinaryData *bd, uint8_t *out) +{ + size_t len = bd->len; + size_t rv = uint32_pack(len, out); + memcpy(out + rv, bd->data, len); + return rv + len; +} + +/** + * Pack a ProtobufCMessage and return the number of bytes written. The output + * includes a length delimiter. + * + * \param message + * ProtobufCMessage object to pack. + * \param[out] out + * Packed message. + * \return + * Number of bytes written to `out`. + */ +static inline size_t +prefixed_message_pack(const ProtobufCMessage *message, uint8_t *out) +{ + if (message == NULL) { + out[0] = 0; + return 1; + } else { + size_t rv = protobuf_c_message_pack(message, out + 1); + uint32_t rv_packed_size = uint32_size(rv); + if (rv_packed_size != 1) + memmove(out + rv_packed_size, out + 1, rv); + return uint32_pack(rv, out) + rv; + } +} + +/** + * Pack a field tag. + * + * Wire-type will be added in required_field_pack(). + * + * \todo Just call uint64_pack on 64-bit platforms. + * + * \param id + * Tag value to encode. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +tag_pack(uint32_t id, uint8_t *out) +{ + if (id < (1UL << (32 - 3))) + return uint32_pack(id << 3, out); + else + return uint64_pack(((uint64_t) id) << 3, out); +} + +/** + * Pack a required field and return the number of bytes written. + * + * \param field + * Field descriptor. + * \param member + * The field member. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +required_field_pack(const ProtobufCFieldDescriptor *field, + const void *member, uint8_t *out) +{ + size_t rv = tag_pack(field->id, out); + + switch (field->type) { + case PROTOBUF_C_TYPE_SINT32: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + sint32_pack(*(const int32_t *) member, out + rv); + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + int32_pack(*(const int32_t *) member, out + rv); + case PROTOBUF_C_TYPE_UINT32: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + uint32_pack(*(const uint32_t *) member, out + rv); + case PROTOBUF_C_TYPE_SINT64: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + sint64_pack(*(const int64_t *) member, out + rv); + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + uint64_pack(*(const uint64_t *) member, out + rv); + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + out[0] |= PROTOBUF_C_WIRE_TYPE_32BIT; + return rv + fixed32_pack(*(const uint32_t *) member, out + rv); + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + out[0] |= PROTOBUF_C_WIRE_TYPE_64BIT; + return rv + fixed64_pack(*(const uint64_t *) member, out + rv); + case PROTOBUF_C_TYPE_BOOL: + out[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + return rv + boolean_pack(*(const protobuf_c_boolean *) member, out + rv); + case PROTOBUF_C_TYPE_STRING: + out[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + return rv + string_pack(*(char *const *) member, out + rv); + case PROTOBUF_C_TYPE_BYTES: + out[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + return rv + binary_data_pack((const ProtobufCBinaryData *) member, out + rv); + case PROTOBUF_C_TYPE_MESSAGE: + out[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + return rv + prefixed_message_pack(*(ProtobufCMessage * const *) member, out + rv); + } + PROTOBUF_C__ASSERT_NOT_REACHED(); + return 0; +} + +/** + * Pack a oneof field and return the number of bytes written. Only packs the + * field that is selected by the case enum. + * + * \param field + * Field descriptor. + * \param oneof_case + * Enum value that selects the field in the oneof. + * \param member + * The field member. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +oneof_field_pack(const ProtobufCFieldDescriptor *field, + uint32_t oneof_case, + const void *member, uint8_t *out) +{ + if (oneof_case != field->id) { + return 0; + } + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void * const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } + return required_field_pack(field, member, out); +} + +/** + * Pack an optional field and return the number of bytes written. + * + * \param field + * Field descriptor. + * \param has + * Whether the field is set. + * \param member + * The field member. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +optional_field_pack(const ProtobufCFieldDescriptor *field, + const protobuf_c_boolean has, + const void *member, uint8_t *out) +{ + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void * const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } else { + if (!has) + return 0; + } + return required_field_pack(field, member, out); +} + +/** + * Pack an unlabeled field and return the number of bytes written. + * + * \param field + * Field descriptor. + * \param member + * The field member. + * \param[out] out + * Packed value. + * \return + * Number of bytes written to `out`. + */ +static size_t +unlabeled_field_pack(const ProtobufCFieldDescriptor *field, + const void *member, uint8_t *out) +{ + if (field_is_zeroish(field, member)) + return 0; + return required_field_pack(field, member, out); +} + +/** + * Given a field type, return the in-memory size. + * + * \todo Implement as a table lookup. + * + * \param type + * Field type. + * \return + * Size of the field. + */ +static inline size_t +sizeof_elt_in_repeated_array(ProtobufCType type) +{ + switch (type) { + case PROTOBUF_C_TYPE_SINT32: + case PROTOBUF_C_TYPE_INT32: + case PROTOBUF_C_TYPE_UINT32: + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + case PROTOBUF_C_TYPE_ENUM: + return 4; + case PROTOBUF_C_TYPE_SINT64: + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + return 8; + case PROTOBUF_C_TYPE_BOOL: + return sizeof(protobuf_c_boolean); + case PROTOBUF_C_TYPE_STRING: + case PROTOBUF_C_TYPE_MESSAGE: + return sizeof(void *); + case PROTOBUF_C_TYPE_BYTES: + return sizeof(ProtobufCBinaryData); + } + PROTOBUF_C__ASSERT_NOT_REACHED(); + return 0; +} + +/** + * Pack an array of 32-bit quantities. + * + * \param[out] out + * Destination. + * \param[in] in + * Source. + * \param[in] n + * Number of elements in the source array. + */ +static void +copy_to_little_endian_32(void *out, const void *in, const unsigned n) +{ +#if !defined(WORDS_BIGENDIAN) + memcpy(out, in, n * 4); +#else + unsigned i; + const uint32_t *ini = in; + for (i = 0; i < n; i++) + fixed32_pack(ini[i], (uint32_t *) out + i); +#endif +} + +/** + * Pack an array of 64-bit quantities. + * + * \param[out] out + * Destination. + * \param[in] in + * Source. + * \param[in] n + * Number of elements in the source array. + */ +static void +copy_to_little_endian_64(void *out, const void *in, const unsigned n) +{ +#if !defined(WORDS_BIGENDIAN) + memcpy(out, in, n * 8); +#else + unsigned i; + const uint64_t *ini = in; + for (i = 0; i < n; i++) + fixed64_pack(ini[i], (uint64_t *) out + i); +#endif +} + +/** + * Get the minimum number of bytes required to pack a field value of a + * particular type. + * + * \param type + * Field type. + * \return + * Number of bytes. + */ +static unsigned +get_type_min_size(ProtobufCType type) +{ + if (type == PROTOBUF_C_TYPE_SFIXED32 || + type == PROTOBUF_C_TYPE_FIXED32 || + type == PROTOBUF_C_TYPE_FLOAT) + { + return 4; + } + if (type == PROTOBUF_C_TYPE_SFIXED64 || + type == PROTOBUF_C_TYPE_FIXED64 || + type == PROTOBUF_C_TYPE_DOUBLE) + { + return 8; + } + return 1; +} + +/** + * Packs the elements of a repeated field and returns the serialised field and + * its length. + * + * \param field + * Field descriptor. + * \param count + * Number of elements in the repeated field array. + * \param member + * Pointer to the elements for this repeated field. + * \param[out] out + * Serialised representation of the repeated field. + * \return + * Number of bytes serialised to `out`. + */ +static size_t +repeated_field_pack(const ProtobufCFieldDescriptor *field, + size_t count, const void *member, uint8_t *out) +{ + void *array = *(void * const *) member; + unsigned i; + + if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED)) { + unsigned header_len; + unsigned len_start; + unsigned min_length; + unsigned payload_len; + unsigned length_size_min; + unsigned actual_length_size; + uint8_t *payload_at; + + if (count == 0) + return 0; + header_len = tag_pack(field->id, out); + out[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + len_start = header_len; + min_length = get_type_min_size(field->type) * count; + length_size_min = uint32_size(min_length); + header_len += length_size_min; + payload_at = out + header_len; + + switch (field->type) { + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + copy_to_little_endian_32(payload_at, array, count); + payload_at += count * 4; + break; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + copy_to_little_endian_64(payload_at, array, count); + payload_at += count * 8; + break; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: { + const int32_t *arr = (const int32_t *) array; + for (i = 0; i < count; i++) + payload_at += int32_pack(arr[i], payload_at); + break; + } + case PROTOBUF_C_TYPE_SINT32: { + const int32_t *arr = (const int32_t *) array; + for (i = 0; i < count; i++) + payload_at += sint32_pack(arr[i], payload_at); + break; + } + case PROTOBUF_C_TYPE_SINT64: { + const int64_t *arr = (const int64_t *) array; + for (i = 0; i < count; i++) + payload_at += sint64_pack(arr[i], payload_at); + break; + } + case PROTOBUF_C_TYPE_UINT32: { + const uint32_t *arr = (const uint32_t *) array; + for (i = 0; i < count; i++) + payload_at += uint32_pack(arr[i], payload_at); + break; + } + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: { + const uint64_t *arr = (const uint64_t *) array; + for (i = 0; i < count; i++) + payload_at += uint64_pack(arr[i], payload_at); + break; + } + case PROTOBUF_C_TYPE_BOOL: { + const protobuf_c_boolean *arr = (const protobuf_c_boolean *) array; + for (i = 0; i < count; i++) + payload_at += boolean_pack(arr[i], payload_at); + break; + } + default: + PROTOBUF_C__ASSERT_NOT_REACHED(); + } + + payload_len = payload_at - (out + header_len); + actual_length_size = uint32_size(payload_len); + if (length_size_min != actual_length_size) { + assert(actual_length_size == length_size_min + 1); + memmove(out + header_len + 1, out + header_len, + payload_len); + header_len++; + } + uint32_pack(payload_len, out + len_start); + return header_len + payload_len; + } else { + /* not "packed" cased */ + /* CONSIDER: optimize this case a bit (by putting the loop inside the switch) */ + size_t rv = 0; + unsigned siz = sizeof_elt_in_repeated_array(field->type); + + for (i = 0; i < count; i++) { + rv += required_field_pack(field, array, out + rv); + array = (char *)array + siz; + } + return rv; + } +} + +static size_t +unknown_field_pack(const ProtobufCMessageUnknownField *field, uint8_t *out) +{ + size_t rv = tag_pack(field->tag, out); + out[0] |= field->wire_type; + memcpy(out + rv, field->data, field->len); + return rv + field->len; +} + +/**@}*/ + +size_t +protobuf_c_message_pack(const ProtobufCMessage *message, uint8_t *out) +{ + unsigned i; + size_t rv = 0; + + ASSERT_IS_MESSAGE(message); + for (i = 0; i < message->descriptor->n_fields; i++) { + const ProtobufCFieldDescriptor *field = + message->descriptor->fields + i; + const void *member = ((const char *) message) + field->offset; + + /* + * It doesn't hurt to compute qmember (a pointer to the + * quantifier field of the structure), but the pointer is only + * valid if the field is: + * - a repeated field, or + * - a field that is part of a oneof + * - an optional field that isn't a pointer type + * (Meaning: not a message or a string). + */ + const void *qmember = + ((const char *) message) + field->quantifier_offset; + + if (field->label == PROTOBUF_C_LABEL_REQUIRED) { + rv += required_field_pack(field, member, out + rv); + } else if ((field->label == PROTOBUF_C_LABEL_OPTIONAL || + field->label == PROTOBUF_C_LABEL_NONE) && + (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF))) { + rv += oneof_field_pack( + field, + *(const uint32_t *) qmember, + member, + out + rv + ); + } else if (field->label == PROTOBUF_C_LABEL_OPTIONAL) { + rv += optional_field_pack( + field, + *(const protobuf_c_boolean *) qmember, + member, + out + rv + ); + } else if (field->label == PROTOBUF_C_LABEL_NONE) { + rv += unlabeled_field_pack(field, member, out + rv); + } else { + rv += repeated_field_pack(field, *(const size_t *) qmember, + member, out + rv); + } + } + for (i = 0; i < message->n_unknown_fields; i++) + rv += unknown_field_pack(&message->unknown_fields[i], out + rv); + return rv; +} + +/** + * \defgroup packbuf protobuf_c_message_pack_to_buffer() implementation + * + * Routines mainly used by protobuf_c_message_pack_to_buffer(). + * + * \ingroup internal + * @{ + */ + +/** + * Pack a required field to a virtual buffer. + * + * \param field + * Field descriptor. + * \param member + * The element to be packed. + * \param[out] buffer + * Virtual buffer to append data to. + * \return + * Number of bytes packed. + */ +static size_t +required_field_pack_to_buffer(const ProtobufCFieldDescriptor *field, + const void *member, ProtobufCBuffer *buffer) +{ + size_t rv; + uint8_t scratch[MAX_UINT64_ENCODED_SIZE * 2]; + + rv = tag_pack(field->id, scratch); + switch (field->type) { + case PROTOBUF_C_TYPE_SINT32: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += sint32_pack(*(const int32_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += int32_pack(*(const int32_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_UINT32: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += uint32_pack(*(const uint32_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_SINT64: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += sint64_pack(*(const int64_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += uint64_pack(*(const uint64_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_32BIT; + rv += fixed32_pack(*(const uint32_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_64BIT; + rv += fixed64_pack(*(const uint64_t *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_BOOL: + scratch[0] |= PROTOBUF_C_WIRE_TYPE_VARINT; + rv += boolean_pack(*(const protobuf_c_boolean *) member, scratch + rv); + buffer->append(buffer, rv, scratch); + break; + case PROTOBUF_C_TYPE_STRING: { + const char *str = *(char *const *) member; + size_t sublen = str ? strlen(str) : 0; + + scratch[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + rv += uint32_pack(sublen, scratch + rv); + buffer->append(buffer, rv, scratch); + buffer->append(buffer, sublen, (const uint8_t *) str); + rv += sublen; + break; + } + case PROTOBUF_C_TYPE_BYTES: { + const ProtobufCBinaryData *bd = ((const ProtobufCBinaryData *) member); + size_t sublen = bd->len; + + scratch[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + rv += uint32_pack(sublen, scratch + rv); + buffer->append(buffer, rv, scratch); + buffer->append(buffer, sublen, bd->data); + rv += sublen; + break; + } + case PROTOBUF_C_TYPE_MESSAGE: { + const ProtobufCMessage *msg = *(ProtobufCMessage * const *) member; + + scratch[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + if (msg == NULL) { + rv += uint32_pack(0, scratch + rv); + buffer->append(buffer, rv, scratch); + } else { + size_t sublen = protobuf_c_message_get_packed_size(msg); + rv += uint32_pack(sublen, scratch + rv); + buffer->append(buffer, rv, scratch); + protobuf_c_message_pack_to_buffer(msg, buffer); + rv += sublen; + } + break; + } + default: + PROTOBUF_C__ASSERT_NOT_REACHED(); + } + return rv; +} + +/** + * Pack a oneof field to a buffer. Only packs the field that is selected by the case enum. + * + * \param field + * Field descriptor. + * \param oneof_case + * Enum value that selects the field in the oneof. + * \param member + * The element to be packed. + * \param[out] buffer + * Virtual buffer to append data to. + * \return + * Number of bytes serialised to `buffer`. + */ +static size_t +oneof_field_pack_to_buffer(const ProtobufCFieldDescriptor *field, + uint32_t oneof_case, + const void *member, ProtobufCBuffer *buffer) +{ + if (oneof_case != field->id) { + return 0; + } + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void *const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } + return required_field_pack_to_buffer(field, member, buffer); +} + +/** + * Pack an optional field to a buffer. + * + * \param field + * Field descriptor. + * \param has + * Whether the field is set. + * \param member + * The element to be packed. + * \param[out] buffer + * Virtual buffer to append data to. + * \return + * Number of bytes serialised to `buffer`. + */ +static size_t +optional_field_pack_to_buffer(const ProtobufCFieldDescriptor *field, + const protobuf_c_boolean has, + const void *member, ProtobufCBuffer *buffer) +{ + if (field->type == PROTOBUF_C_TYPE_MESSAGE || + field->type == PROTOBUF_C_TYPE_STRING) + { + const void *ptr = *(const void *const *) member; + if (ptr == NULL || ptr == field->default_value) + return 0; + } else { + if (!has) + return 0; + } + return required_field_pack_to_buffer(field, member, buffer); +} + +/** + * Pack an unlabeled field to a buffer. + * + * \param field + * Field descriptor. + * \param member + * The element to be packed. + * \param[out] buffer + * Virtual buffer to append data to. + * \return + * Number of bytes serialised to `buffer`. + */ +static size_t +unlabeled_field_pack_to_buffer(const ProtobufCFieldDescriptor *field, + const void *member, ProtobufCBuffer *buffer) +{ + if (field_is_zeroish(field, member)) + return 0; + return required_field_pack_to_buffer(field, member, buffer); +} + +/** + * Get the packed size of an array of same field type. + * + * \param field + * Field descriptor. + * \param count + * Number of elements of this type. + * \param array + * The elements to get the size of. + * \return + * Number of bytes required. + */ +static size_t +get_packed_payload_length(const ProtobufCFieldDescriptor *field, + unsigned count, const void *array) +{ + unsigned rv = 0; + unsigned i; + + switch (field->type) { + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + return count * 4; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + return count * 8; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: { + const int32_t *arr = (const int32_t *) array; + for (i = 0; i < count; i++) + rv += int32_size(arr[i]); + break; + } + case PROTOBUF_C_TYPE_SINT32: { + const int32_t *arr = (const int32_t *) array; + for (i = 0; i < count; i++) + rv += sint32_size(arr[i]); + break; + } + case PROTOBUF_C_TYPE_UINT32: { + const uint32_t *arr = (const uint32_t *) array; + for (i = 0; i < count; i++) + rv += uint32_size(arr[i]); + break; + } + case PROTOBUF_C_TYPE_SINT64: { + const int64_t *arr = (const int64_t *) array; + for (i = 0; i < count; i++) + rv += sint64_size(arr[i]); + break; + } + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: { + const uint64_t *arr = (const uint64_t *) array; + for (i = 0; i < count; i++) + rv += uint64_size(arr[i]); + break; + } + case PROTOBUF_C_TYPE_BOOL: + return count; + default: + PROTOBUF_C__ASSERT_NOT_REACHED(); + } + return rv; +} + +/** + * Pack an array of same field type to a virtual buffer. + * + * \param field + * Field descriptor. + * \param count + * Number of elements of this type. + * \param array + * The elements to get the size of. + * \param[out] buffer + * Virtual buffer to append data to. + * \return + * Number of bytes packed. + */ +static size_t +pack_buffer_packed_payload(const ProtobufCFieldDescriptor *field, + unsigned count, const void *array, + ProtobufCBuffer *buffer) +{ + uint8_t scratch[16]; + size_t rv = 0; + unsigned i; + + switch (field->type) { + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: +#if !defined(WORDS_BIGENDIAN) + rv = count * 4; + goto no_packing_needed; +#else + for (i = 0; i < count; i++) { + unsigned len = fixed32_pack(((uint32_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; +#endif + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: +#if !defined(WORDS_BIGENDIAN) + rv = count * 8; + goto no_packing_needed; +#else + for (i = 0; i < count; i++) { + unsigned len = fixed64_pack(((uint64_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; +#endif + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + for (i = 0; i < count; i++) { + unsigned len = int32_pack(((int32_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; + case PROTOBUF_C_TYPE_SINT32: + for (i = 0; i < count; i++) { + unsigned len = sint32_pack(((int32_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; + case PROTOBUF_C_TYPE_UINT32: + for (i = 0; i < count; i++) { + unsigned len = uint32_pack(((uint32_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; + case PROTOBUF_C_TYPE_SINT64: + for (i = 0; i < count; i++) { + unsigned len = sint64_pack(((int64_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + for (i = 0; i < count; i++) { + unsigned len = uint64_pack(((uint64_t *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + break; + case PROTOBUF_C_TYPE_BOOL: + for (i = 0; i < count; i++) { + unsigned len = boolean_pack(((protobuf_c_boolean *) array)[i], scratch); + buffer->append(buffer, len, scratch); + rv += len; + } + return count; + default: + PROTOBUF_C__ASSERT_NOT_REACHED(); + } + return rv; + +#if !defined(WORDS_BIGENDIAN) +no_packing_needed: + buffer->append(buffer, rv, array); + return rv; +#endif +} + +static size_t +repeated_field_pack_to_buffer(const ProtobufCFieldDescriptor *field, + unsigned count, const void *member, + ProtobufCBuffer *buffer) +{ + char *array = *(char * const *) member; + + if (count == 0) + return 0; + if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED)) { + uint8_t scratch[MAX_UINT64_ENCODED_SIZE * 2]; + size_t rv = tag_pack(field->id, scratch); + size_t payload_len = get_packed_payload_length(field, count, array); + size_t tmp; + + scratch[0] |= PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED; + rv += uint32_pack(payload_len, scratch + rv); + buffer->append(buffer, rv, scratch); + tmp = pack_buffer_packed_payload(field, count, array, buffer); + assert(tmp == payload_len); + return rv + payload_len; + } else { + size_t siz; + unsigned i; + /* CONSIDER: optimize this case a bit (by putting the loop inside the switch) */ + unsigned rv = 0; + + siz = sizeof_elt_in_repeated_array(field->type); + for (i = 0; i < count; i++) { + rv += required_field_pack_to_buffer(field, array, buffer); + array += siz; + } + return rv; + } +} + +static size_t +unknown_field_pack_to_buffer(const ProtobufCMessageUnknownField *field, + ProtobufCBuffer *buffer) +{ + uint8_t header[MAX_UINT64_ENCODED_SIZE]; + size_t rv = tag_pack(field->tag, header); + + header[0] |= field->wire_type; + buffer->append(buffer, rv, header); + buffer->append(buffer, field->len, field->data); + return rv + field->len; +} + +/**@}*/ + +size_t +protobuf_c_message_pack_to_buffer(const ProtobufCMessage *message, + ProtobufCBuffer *buffer) +{ + unsigned i; + size_t rv = 0; + + ASSERT_IS_MESSAGE(message); + for (i = 0; i < message->descriptor->n_fields; i++) { + const ProtobufCFieldDescriptor *field = + message->descriptor->fields + i; + const void *member = + ((const char *) message) + field->offset; + const void *qmember = + ((const char *) message) + field->quantifier_offset; + + if (field->label == PROTOBUF_C_LABEL_REQUIRED) { + rv += required_field_pack_to_buffer(field, member, buffer); + } else if ((field->label == PROTOBUF_C_LABEL_OPTIONAL || + field->label == PROTOBUF_C_LABEL_NONE) && + (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF))) { + rv += oneof_field_pack_to_buffer( + field, + *(const uint32_t *) qmember, + member, + buffer + ); + } else if (field->label == PROTOBUF_C_LABEL_OPTIONAL) { + rv += optional_field_pack_to_buffer( + field, + *(const protobuf_c_boolean *) qmember, + member, + buffer + ); + } else if (field->label == PROTOBUF_C_LABEL_NONE) { + rv += unlabeled_field_pack_to_buffer( + field, + member, + buffer + ); + } else { + rv += repeated_field_pack_to_buffer( + field, + *(const size_t *) qmember, + member, + buffer + ); + } + } + for (i = 0; i < message->n_unknown_fields; i++) + rv += unknown_field_pack_to_buffer(&message->unknown_fields[i], buffer); + + return rv; +} + +/** + * \defgroup unpack unpacking implementation + * + * Routines mainly used by the unpacking functions. + * + * \ingroup internal + * @{ + */ + +static inline int +int_range_lookup(unsigned n_ranges, const ProtobufCIntRange *ranges, int value) +{ + unsigned n; + unsigned start; + + if (n_ranges == 0) + return -1; + start = 0; + n = n_ranges; + while (n > 1) { + unsigned mid = start + n / 2; + + if (value < ranges[mid].start_value) { + n = mid - start; + } else if (value >= ranges[mid].start_value + + (int) (ranges[mid + 1].orig_index - + ranges[mid].orig_index)) + { + unsigned new_start = mid + 1; + n = start + n - new_start; + start = new_start; + } else + return (value - ranges[mid].start_value) + + ranges[mid].orig_index; + } + if (n > 0) { + unsigned start_orig_index = ranges[start].orig_index; + unsigned range_size = + ranges[start + 1].orig_index - start_orig_index; + + if (ranges[start].start_value <= value && + value < (int) (ranges[start].start_value + range_size)) + { + return (value - ranges[start].start_value) + + start_orig_index; + } + } + return -1; +} + +static size_t +parse_tag_and_wiretype(size_t len, + const uint8_t *data, + uint32_t *tag_out, + uint8_t *wiretype_out) +{ + unsigned max_rv = len > 5 ? 5 : len; + uint32_t tag = (data[0] & 0x7f) >> 3; + unsigned shift = 4; + unsigned rv; + + /* 0 is not a valid tag value */ + if ((data[0] & 0xf8) == 0) { + return 0; + } + + *wiretype_out = data[0] & 7; + if ((data[0] & 0x80) == 0) { + *tag_out = tag; + return 1; + } + for (rv = 1; rv < max_rv; rv++) { + if (data[rv] & 0x80) { + tag |= (data[rv] & 0x7f) << shift; + shift += 7; + } else { + tag |= data[rv] << shift; + *tag_out = tag; + return rv + 1; + } + } + return 0; /* error: bad header */ +} + +/* sizeof(ScannedMember) must be <= (1UL<<BOUND_SIZEOF_SCANNED_MEMBER_LOG2) */ +#define BOUND_SIZEOF_SCANNED_MEMBER_LOG2 5 +typedef struct ScannedMember ScannedMember; +/** Field as it's being read. */ +struct ScannedMember { + uint32_t tag; /**< Field tag. */ + uint8_t wire_type; /**< Field type. */ + uint8_t length_prefix_len; /**< Prefix length. */ + const ProtobufCFieldDescriptor *field; /**< Field descriptor. */ + size_t len; /**< Field length. */ + const uint8_t *data; /**< Pointer to field data. */ +}; + +static inline size_t +scan_length_prefixed_data(size_t len, const uint8_t *data, + size_t *prefix_len_out) +{ + unsigned hdr_max = len < 5 ? len : 5; + unsigned hdr_len; + size_t val = 0; + unsigned i; + unsigned shift = 0; + + for (i = 0; i < hdr_max; i++) { + val |= ((size_t)data[i] & 0x7f) << shift; + shift += 7; + if ((data[i] & 0x80) == 0) + break; + } + if (i == hdr_max) { + PROTOBUF_C_UNPACK_ERROR("error parsing length for length-prefixed data"); + return 0; + } + hdr_len = i + 1; + *prefix_len_out = hdr_len; + if (val > INT_MAX) { + // Protobuf messages should always be less than 2 GiB in size. + // We also want to return early here so that hdr_len + val does + // not overflow on 32-bit systems. + PROTOBUF_C_UNPACK_ERROR("length prefix of %lu is too large", + (unsigned long int)val); + return 0; + } + if (hdr_len + val > len) { + PROTOBUF_C_UNPACK_ERROR("data too short after length-prefix of %lu", + (unsigned long int)val); + return 0; + } + return hdr_len + val; +} + +static size_t +max_b128_numbers(size_t len, const uint8_t *data) +{ + size_t rv = 0; + while (len--) + if ((*data++ & 0x80) == 0) + ++rv; + return rv; +} + +/**@}*/ + +/** + * Merge earlier message into a latter message. + * + * For numeric types and strings, if the same value appears multiple + * times, the parser accepts the last value it sees. For embedded + * message fields, the parser merges multiple instances of the same + * field. That is, all singular scalar fields in the latter instance + * replace those in the former, singular embedded messages are merged, + * and repeated fields are concatenated. + * + * The earlier message should be freed after calling this function, as + * some of its fields may have been reused and changed to their default + * values during the merge. + */ +static protobuf_c_boolean +merge_messages(ProtobufCMessage *earlier_msg, + ProtobufCMessage *latter_msg, + ProtobufCAllocator *allocator) +{ + unsigned i; + const ProtobufCFieldDescriptor *fields = + latter_msg->descriptor->fields; + for (i = 0; i < latter_msg->descriptor->n_fields; i++) { + if (fields[i].label == PROTOBUF_C_LABEL_REPEATED) { + size_t *n_earlier = + STRUCT_MEMBER_PTR(size_t, earlier_msg, + fields[i].quantifier_offset); + uint8_t **p_earlier = + STRUCT_MEMBER_PTR(uint8_t *, earlier_msg, + fields[i].offset); + size_t *n_latter = + STRUCT_MEMBER_PTR(size_t, latter_msg, + fields[i].quantifier_offset); + uint8_t **p_latter = + STRUCT_MEMBER_PTR(uint8_t *, latter_msg, + fields[i].offset); + + if (*n_earlier > 0) { + if (*n_latter > 0) { + /* Concatenate the repeated field */ + size_t el_size = + sizeof_elt_in_repeated_array(fields[i].type); + uint8_t *new_field; + + new_field = do_alloc(allocator, + (*n_earlier + *n_latter) * el_size); + if (!new_field) + return FALSE; + + memcpy(new_field, *p_earlier, + *n_earlier * el_size); + memcpy(new_field + + *n_earlier * el_size, + *p_latter, + *n_latter * el_size); + + do_free(allocator, *p_latter); + do_free(allocator, *p_earlier); + *p_latter = new_field; + *n_latter = *n_earlier + *n_latter; + } else { + /* Zero copy the repeated field from the earlier message */ + *n_latter = *n_earlier; + *p_latter = *p_earlier; + } + /* Make sure the field does not get double freed */ + *n_earlier = 0; + *p_earlier = 0; + } + } else if (fields[i].label == PROTOBUF_C_LABEL_OPTIONAL || + fields[i].label == PROTOBUF_C_LABEL_NONE) { + const ProtobufCFieldDescriptor *field; + uint32_t *earlier_case_p = STRUCT_MEMBER_PTR(uint32_t, + earlier_msg, + fields[i]. + quantifier_offset); + uint32_t *latter_case_p = STRUCT_MEMBER_PTR(uint32_t, + latter_msg, + fields[i]. + quantifier_offset); + protobuf_c_boolean need_to_merge = FALSE; + void *earlier_elem; + void *latter_elem; + const void *def_val; + + if (fields[i].flags & PROTOBUF_C_FIELD_FLAG_ONEOF) { + if (*latter_case_p == 0) { + /* lookup correct oneof field */ + int field_index = + int_range_lookup( + latter_msg->descriptor + ->n_field_ranges, + latter_msg->descriptor + ->field_ranges, + *earlier_case_p); + if (field_index < 0) + return FALSE; + field = latter_msg->descriptor->fields + + field_index; + } else { + /* Oneof is present in the latter message, move on */ + continue; + } + } else { + field = &fields[i]; + } + + earlier_elem = STRUCT_MEMBER_P(earlier_msg, field->offset); + latter_elem = STRUCT_MEMBER_P(latter_msg, field->offset); + def_val = field->default_value; + + switch (field->type) { + case PROTOBUF_C_TYPE_MESSAGE: { + ProtobufCMessage *em = *(ProtobufCMessage **) earlier_elem; + ProtobufCMessage *lm = *(ProtobufCMessage **) latter_elem; + if (em != NULL) { + if (lm != NULL) { + if (!merge_messages(em, lm, allocator)) + return FALSE; + /* Already merged */ + need_to_merge = FALSE; + } else { + /* Zero copy the message */ + need_to_merge = TRUE; + } + } + break; + } + case PROTOBUF_C_TYPE_BYTES: { + uint8_t *e_data = + ((ProtobufCBinaryData *) earlier_elem)->data; + uint8_t *l_data = + ((ProtobufCBinaryData *) latter_elem)->data; + const ProtobufCBinaryData *d_bd = + (ProtobufCBinaryData *) def_val; + + need_to_merge = + (e_data != NULL && + (d_bd == NULL || + e_data != d_bd->data)) && + (l_data == NULL || + (d_bd != NULL && + l_data == d_bd->data)); + break; + } + case PROTOBUF_C_TYPE_STRING: { + char *e_str = *(char **) earlier_elem; + char *l_str = *(char **) latter_elem; + const char *d_str = def_val; + + need_to_merge = e_str != d_str && l_str == d_str; + break; + } + default: { + /* Could be has field or case enum, the logic is + * equivalent, since 0 (FALSE) means not set for + * oneof */ + need_to_merge = (*earlier_case_p != 0) && + (*latter_case_p == 0); + break; + } + } + + if (need_to_merge) { + size_t el_size = + sizeof_elt_in_repeated_array(field->type); + memcpy(latter_elem, earlier_elem, el_size); + /* + * Reset the element from the old message to 0 + * to make sure earlier message deallocation + * doesn't corrupt zero-copied data in the new + * message, earlier message will be freed after + * this function is called anyway + */ + memset(earlier_elem, 0, el_size); + + if (field->quantifier_offset != 0) { + /* Set the has field or the case enum, + * if applicable */ + *latter_case_p = *earlier_case_p; + *earlier_case_p = 0; + } + } + } + } + return TRUE; +} + +/** + * Count packed elements. + * + * Given a raw slab of packed-repeated values, determine the number of + * elements. This function detects certain kinds of errors but not + * others; the remaining error checking is done by + * parse_packed_repeated_member(). + */ +static protobuf_c_boolean +count_packed_elements(ProtobufCType type, + size_t len, const uint8_t *data, size_t *count_out) +{ + switch (type) { + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + if (len % 4 != 0) { + PROTOBUF_C_UNPACK_ERROR("length must be a multiple of 4 for fixed-length 32-bit types"); + return FALSE; + } + *count_out = len / 4; + return TRUE; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + if (len % 8 != 0) { + PROTOBUF_C_UNPACK_ERROR("length must be a multiple of 8 for fixed-length 64-bit types"); + return FALSE; + } + *count_out = len / 8; + return TRUE; + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + case PROTOBUF_C_TYPE_SINT32: + case PROTOBUF_C_TYPE_UINT32: + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_SINT64: + case PROTOBUF_C_TYPE_UINT64: + *count_out = max_b128_numbers(len, data); + return TRUE; + case PROTOBUF_C_TYPE_BOOL: + *count_out = len; + return TRUE; + case PROTOBUF_C_TYPE_STRING: + case PROTOBUF_C_TYPE_BYTES: + case PROTOBUF_C_TYPE_MESSAGE: + default: + PROTOBUF_C_UNPACK_ERROR("bad protobuf-c type %u for packed-repeated", type); + return FALSE; + } +} + +static inline uint32_t +parse_uint32(unsigned len, const uint8_t *data) +{ + uint32_t rv = data[0] & 0x7f; + if (len > 1) { + rv |= ((uint32_t) (data[1] & 0x7f) << 7); + if (len > 2) { + rv |= ((uint32_t) (data[2] & 0x7f) << 14); + if (len > 3) { + rv |= ((uint32_t) (data[3] & 0x7f) << 21); + if (len > 4) + rv |= ((uint32_t) (data[4]) << 28); + } + } + } + return rv; +} + +static inline uint32_t +parse_int32(unsigned len, const uint8_t *data) +{ + return parse_uint32(len, data); +} + +static inline int32_t +unzigzag32(uint32_t v) +{ + // Note: Using unsigned types prevents undefined behavior + return (int32_t)((v >> 1) ^ -(v & 1)); +} + +static inline uint32_t +parse_fixed_uint32(const uint8_t *data) +{ +#if !defined(WORDS_BIGENDIAN) + uint32_t t; + memcpy(&t, data, 4); + return t; +#else + return data[0] | + ((uint32_t) (data[1]) << 8) | + ((uint32_t) (data[2]) << 16) | + ((uint32_t) (data[3]) << 24); +#endif +} + +static uint64_t +parse_uint64(unsigned len, const uint8_t *data) +{ + unsigned shift, i; + uint64_t rv; + + if (len < 5) + return parse_uint32(len, data); + rv = ((uint64_t) (data[0] & 0x7f)) | + ((uint64_t) (data[1] & 0x7f) << 7) | + ((uint64_t) (data[2] & 0x7f) << 14) | + ((uint64_t) (data[3] & 0x7f) << 21); + shift = 28; + for (i = 4; i < len; i++) { + rv |= (((uint64_t) (data[i] & 0x7f)) << shift); + shift += 7; + } + return rv; +} + +static inline int64_t +unzigzag64(uint64_t v) +{ + // Note: Using unsigned types prevents undefined behavior + return (int64_t)((v >> 1) ^ -(v & 1)); +} + +static inline uint64_t +parse_fixed_uint64(const uint8_t *data) +{ +#if !defined(WORDS_BIGENDIAN) + uint64_t t; + memcpy(&t, data, 8); + return t; +#else + return (uint64_t) parse_fixed_uint32(data) | + (((uint64_t) parse_fixed_uint32(data + 4)) << 32); +#endif +} + +static protobuf_c_boolean +parse_boolean(unsigned len, const uint8_t *data) +{ + unsigned i; + for (i = 0; i < len; i++) + if (data[i] & 0x7f) + return TRUE; + return FALSE; +} + +static protobuf_c_boolean +parse_required_member(ScannedMember *scanned_member, + void *member, + ProtobufCAllocator *allocator, + protobuf_c_boolean maybe_clear) +{ + unsigned len = scanned_member->len; + const uint8_t *data = scanned_member->data; + uint8_t wire_type = scanned_member->wire_type; + + switch (scanned_member->field->type) { + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) + return FALSE; + *(int32_t *) member = parse_int32(len, data); + return TRUE; + case PROTOBUF_C_TYPE_UINT32: + if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) + return FALSE; + *(uint32_t *) member = parse_uint32(len, data); + return TRUE; + case PROTOBUF_C_TYPE_SINT32: + if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) + return FALSE; + *(int32_t *) member = unzigzag32(parse_uint32(len, data)); + return TRUE; + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + if (wire_type != PROTOBUF_C_WIRE_TYPE_32BIT) + return FALSE; + *(uint32_t *) member = parse_fixed_uint32(data); + return TRUE; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) + return FALSE; + *(uint64_t *) member = parse_uint64(len, data); + return TRUE; + case PROTOBUF_C_TYPE_SINT64: + if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) + return FALSE; + *(int64_t *) member = unzigzag64(parse_uint64(len, data)); + return TRUE; + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + if (wire_type != PROTOBUF_C_WIRE_TYPE_64BIT) + return FALSE; + *(uint64_t *) member = parse_fixed_uint64(data); + return TRUE; + case PROTOBUF_C_TYPE_BOOL: + *(protobuf_c_boolean *) member = parse_boolean(len, data); + return TRUE; + case PROTOBUF_C_TYPE_STRING: { + char **pstr = member; + unsigned pref_len = scanned_member->length_prefix_len; + + if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) + return FALSE; + + if (maybe_clear && *pstr != NULL) { + const char *def = scanned_member->field->default_value; + if (*pstr != NULL && *pstr != def) + do_free(allocator, *pstr); + } + *pstr = do_alloc(allocator, len - pref_len + 1); + if (*pstr == NULL) + return FALSE; + memcpy(*pstr, data + pref_len, len - pref_len); + (*pstr)[len - pref_len] = 0; + return TRUE; + } + case PROTOBUF_C_TYPE_BYTES: { + ProtobufCBinaryData *bd = member; + const ProtobufCBinaryData *def_bd; + unsigned pref_len = scanned_member->length_prefix_len; + + if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) + return FALSE; + + def_bd = scanned_member->field->default_value; + if (maybe_clear && + bd->data != NULL && + (def_bd == NULL || bd->data != def_bd->data)) + { + do_free(allocator, bd->data); + } + if (len > pref_len) { + bd->data = do_alloc(allocator, len - pref_len); + if (bd->data == NULL) + return FALSE; + memcpy(bd->data, data + pref_len, len - pref_len); + } else { + bd->data = NULL; + } + bd->len = len - pref_len; + return TRUE; + } + case PROTOBUF_C_TYPE_MESSAGE: { + ProtobufCMessage **pmessage = member; + ProtobufCMessage *subm; + const ProtobufCMessage *def_mess; + protobuf_c_boolean merge_successful = TRUE; + unsigned pref_len = scanned_member->length_prefix_len; + + if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) + return FALSE; + + def_mess = scanned_member->field->default_value; + if (len >= pref_len) + subm = protobuf_c_message_unpack(scanned_member->field->descriptor, + allocator, + len - pref_len, + data + pref_len); + else + subm = NULL; + + if (maybe_clear && + *pmessage != NULL && + *pmessage != def_mess) + { + if (subm != NULL) + merge_successful = merge_messages(*pmessage, subm, allocator); + /* Delete the previous message */ + protobuf_c_message_free_unpacked(*pmessage, allocator); + } + *pmessage = subm; + if (subm == NULL || !merge_successful) + return FALSE; + return TRUE; + } + } + return FALSE; +} + +static protobuf_c_boolean +parse_oneof_member (ScannedMember *scanned_member, + void *member, + ProtobufCMessage *message, + ProtobufCAllocator *allocator) +{ + uint32_t *oneof_case = STRUCT_MEMBER_PTR(uint32_t, message, + scanned_member->field->quantifier_offset); + + /* If we have already parsed a member of this oneof, free it. */ + if (*oneof_case != 0) { + const ProtobufCFieldDescriptor *old_field; + size_t el_size; + /* lookup field */ + int field_index = + int_range_lookup(message->descriptor->n_field_ranges, + message->descriptor->field_ranges, + *oneof_case); + if (field_index < 0) + return FALSE; + old_field = message->descriptor->fields + field_index; + el_size = sizeof_elt_in_repeated_array(old_field->type); + + switch (old_field->type) { + case PROTOBUF_C_TYPE_STRING: { + char **pstr = member; + const char *def = old_field->default_value; + if (*pstr != NULL && *pstr != def) + do_free(allocator, *pstr); + break; + } + case PROTOBUF_C_TYPE_BYTES: { + ProtobufCBinaryData *bd = member; + const ProtobufCBinaryData *def_bd = old_field->default_value; + if (bd->data != NULL && + (def_bd == NULL || bd->data != def_bd->data)) + { + do_free(allocator, bd->data); + } + break; + } + case PROTOBUF_C_TYPE_MESSAGE: { + ProtobufCMessage **pmessage = member; + const ProtobufCMessage *def_mess = old_field->default_value; + if (*pmessage != NULL && *pmessage != def_mess) + protobuf_c_message_free_unpacked(*pmessage, allocator); + break; + } + default: + break; + } + + memset (member, 0, el_size); + } + if (!parse_required_member (scanned_member, member, allocator, TRUE)) + return FALSE; + + *oneof_case = scanned_member->tag; + return TRUE; +} + + +static protobuf_c_boolean +parse_optional_member(ScannedMember *scanned_member, + void *member, + ProtobufCMessage *message, + ProtobufCAllocator *allocator) +{ + if (!parse_required_member(scanned_member, member, allocator, TRUE)) + return FALSE; + if (scanned_member->field->quantifier_offset != 0) + STRUCT_MEMBER(protobuf_c_boolean, + message, + scanned_member->field->quantifier_offset) = TRUE; + return TRUE; +} + +static protobuf_c_boolean +parse_repeated_member(ScannedMember *scanned_member, + void *member, + ProtobufCMessage *message, + ProtobufCAllocator *allocator) +{ + const ProtobufCFieldDescriptor *field = scanned_member->field; + size_t *p_n = STRUCT_MEMBER_PTR(size_t, message, field->quantifier_offset); + size_t siz = sizeof_elt_in_repeated_array(field->type); + char *array = *(char **) member; + + if (!parse_required_member(scanned_member, array + siz * (*p_n), + allocator, FALSE)) + { + return FALSE; + } + *p_n += 1; + return TRUE; +} + +static unsigned +scan_varint(unsigned len, const uint8_t *data) +{ + unsigned i; + if (len > 10) + len = 10; + for (i = 0; i < len; i++) + if ((data[i] & 0x80) == 0) + break; + if (i == len) + return 0; + return i + 1; +} + +static protobuf_c_boolean +parse_packed_repeated_member(ScannedMember *scanned_member, + void *member, + ProtobufCMessage *message) +{ + const ProtobufCFieldDescriptor *field = scanned_member->field; + size_t *p_n = STRUCT_MEMBER_PTR(size_t, message, field->quantifier_offset); + size_t siz = sizeof_elt_in_repeated_array(field->type); + void *array = *(char **) member + siz * (*p_n); + const uint8_t *at = scanned_member->data + scanned_member->length_prefix_len; + size_t rem = scanned_member->len - scanned_member->length_prefix_len; + size_t count = 0; +#if defined(WORDS_BIGENDIAN) + unsigned i; +#endif + + switch (field->type) { + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + count = (scanned_member->len - scanned_member->length_prefix_len) / 4; +#if !defined(WORDS_BIGENDIAN) + goto no_unpacking_needed; +#else + for (i = 0; i < count; i++) { + ((uint32_t *) array)[i] = parse_fixed_uint32(at); + at += 4; + } + break; +#endif + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + count = (scanned_member->len - scanned_member->length_prefix_len) / 8; +#if !defined(WORDS_BIGENDIAN) + goto no_unpacking_needed; +#else + for (i = 0; i < count; i++) { + ((uint64_t *) array)[i] = parse_fixed_uint64(at); + at += 8; + } + break; +#endif + case PROTOBUF_C_TYPE_ENUM: + case PROTOBUF_C_TYPE_INT32: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated int32 value"); + return FALSE; + } + ((int32_t *) array)[count++] = parse_int32(s, at); + at += s; + rem -= s; + } + break; + case PROTOBUF_C_TYPE_SINT32: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated sint32 value"); + return FALSE; + } + ((int32_t *) array)[count++] = unzigzag32(parse_uint32(s, at)); + at += s; + rem -= s; + } + break; + case PROTOBUF_C_TYPE_UINT32: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated enum or uint32 value"); + return FALSE; + } + ((uint32_t *) array)[count++] = parse_uint32(s, at); + at += s; + rem -= s; + } + break; + + case PROTOBUF_C_TYPE_SINT64: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated sint64 value"); + return FALSE; + } + ((int64_t *) array)[count++] = unzigzag64(parse_uint64(s, at)); + at += s; + rem -= s; + } + break; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_UINT64: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated int64/uint64 value"); + return FALSE; + } + ((int64_t *) array)[count++] = parse_uint64(s, at); + at += s; + rem -= s; + } + break; + case PROTOBUF_C_TYPE_BOOL: + while (rem > 0) { + unsigned s = scan_varint(rem, at); + if (s == 0) { + PROTOBUF_C_UNPACK_ERROR("bad packed-repeated boolean value"); + return FALSE; + } + ((protobuf_c_boolean *) array)[count++] = parse_boolean(s, at); + at += s; + rem -= s; + } + break; + default: + PROTOBUF_C__ASSERT_NOT_REACHED(); + } + *p_n += count; + return TRUE; + +#if !defined(WORDS_BIGENDIAN) +no_unpacking_needed: + memcpy(array, at, count * siz); + *p_n += count; + return TRUE; +#endif +} + +static protobuf_c_boolean +is_packable_type(ProtobufCType type) +{ + return + type != PROTOBUF_C_TYPE_STRING && + type != PROTOBUF_C_TYPE_BYTES && + type != PROTOBUF_C_TYPE_MESSAGE; +} + +static protobuf_c_boolean +parse_member(ScannedMember *scanned_member, + ProtobufCMessage *message, + ProtobufCAllocator *allocator) +{ + const ProtobufCFieldDescriptor *field = scanned_member->field; + void *member; + + if (field == NULL) { + ProtobufCMessageUnknownField *ufield = + message->unknown_fields + + (message->n_unknown_fields++); + ufield->tag = scanned_member->tag; + ufield->wire_type = scanned_member->wire_type; + ufield->len = scanned_member->len; + ufield->data = do_alloc(allocator, scanned_member->len); + if (ufield->data == NULL) + return FALSE; + memcpy(ufield->data, scanned_member->data, ufield->len); + return TRUE; + } + member = (char *) message + field->offset; + switch (field->label) { + case PROTOBUF_C_LABEL_REQUIRED: + return parse_required_member(scanned_member, member, + allocator, TRUE); + case PROTOBUF_C_LABEL_OPTIONAL: + case PROTOBUF_C_LABEL_NONE: + if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF)) { + return parse_oneof_member(scanned_member, member, + message, allocator); + } else { + return parse_optional_member(scanned_member, member, + message, allocator); + } + case PROTOBUF_C_LABEL_REPEATED: + if (scanned_member->wire_type == + PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED && + (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED) || + is_packable_type(field->type))) + { + return parse_packed_repeated_member(scanned_member, + member, message); + } else { + return parse_repeated_member(scanned_member, + member, message, + allocator); + } + } + PROTOBUF_C__ASSERT_NOT_REACHED(); + return 0; +} + +/** + * Initialise messages generated by old code. + * + * This function is used if desc->message_init == NULL (which occurs + * for old code, and which would be useful to support allocating + * descriptors dynamically). + */ +static void +message_init_generic(const ProtobufCMessageDescriptor *desc, + ProtobufCMessage *message) +{ + unsigned i; + + memset(message, 0, desc->sizeof_message); + message->descriptor = desc; + for (i = 0; i < desc->n_fields; i++) { + if (desc->fields[i].default_value != NULL && + desc->fields[i].label != PROTOBUF_C_LABEL_REPEATED) + { + void *field = + STRUCT_MEMBER_P(message, desc->fields[i].offset); + const void *dv = desc->fields[i].default_value; + + switch (desc->fields[i].type) { + case PROTOBUF_C_TYPE_INT32: + case PROTOBUF_C_TYPE_SINT32: + case PROTOBUF_C_TYPE_SFIXED32: + case PROTOBUF_C_TYPE_UINT32: + case PROTOBUF_C_TYPE_FIXED32: + case PROTOBUF_C_TYPE_FLOAT: + case PROTOBUF_C_TYPE_ENUM: + memcpy(field, dv, 4); + break; + case PROTOBUF_C_TYPE_INT64: + case PROTOBUF_C_TYPE_SINT64: + case PROTOBUF_C_TYPE_SFIXED64: + case PROTOBUF_C_TYPE_UINT64: + case PROTOBUF_C_TYPE_FIXED64: + case PROTOBUF_C_TYPE_DOUBLE: + memcpy(field, dv, 8); + break; + case PROTOBUF_C_TYPE_BOOL: + memcpy(field, dv, sizeof(protobuf_c_boolean)); + break; + case PROTOBUF_C_TYPE_BYTES: + memcpy(field, dv, sizeof(ProtobufCBinaryData)); + break; + + case PROTOBUF_C_TYPE_STRING: + case PROTOBUF_C_TYPE_MESSAGE: + /* + * The next line essentially implements a cast + * from const, which is totally unavoidable. + */ + *(const void **) field = dv; + break; + } + } + } +} + +/**@}*/ + +/* + * ScannedMember slabs (an unpacking implementation detail). Before doing real + * unpacking, we first scan through the elements to see how many there are (for + * repeated fields), and which field to use (for non-repeated fields given + * twice). + * + * In order to avoid allocations for small messages, we keep a stack-allocated + * slab of ScannedMembers of size FIRST_SCANNED_MEMBER_SLAB_SIZE (16). After we + * fill that up, we allocate each slab twice as large as the previous one. + */ +#define FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2 4 + +/* + * The number of slabs, including the stack-allocated ones; choose the number so + * that we would overflow if we needed a slab larger than provided. + */ +#define MAX_SCANNED_MEMBER_SLAB \ + (sizeof(unsigned int)*8 - 1 \ + - BOUND_SIZEOF_SCANNED_MEMBER_LOG2 \ + - FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2) + +#define REQUIRED_FIELD_BITMAP_SET(index) \ + (required_fields_bitmap[(index)/8] |= (1UL<<((index)%8))) + +#define REQUIRED_FIELD_BITMAP_IS_SET(index) \ + (required_fields_bitmap[(index)/8] & (1UL<<((index)%8))) + +ProtobufCMessage * +protobuf_c_message_unpack(const ProtobufCMessageDescriptor *desc, + ProtobufCAllocator *allocator, + size_t len, const uint8_t *data) +{ + ProtobufCMessage *rv; + size_t rem = len; + const uint8_t *at = data; + const ProtobufCFieldDescriptor *last_field = desc->fields + 0; + ScannedMember first_member_slab[1UL << + FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2]; + + /* + * scanned_member_slabs[i] is an array of arrays of ScannedMember. + * The first slab (scanned_member_slabs[0] is just a pointer to + * first_member_slab), above. All subsequent slabs will be allocated + * using the allocator. + */ + ScannedMember *scanned_member_slabs[MAX_SCANNED_MEMBER_SLAB + 1]; + unsigned which_slab = 0; /* the slab we are currently populating */ + unsigned in_slab_index = 0; /* number of members in the slab */ + size_t n_unknown = 0; + unsigned f; + unsigned j; + unsigned i_slab; + unsigned last_field_index = 0; + unsigned required_fields_bitmap_len; + unsigned char required_fields_bitmap_stack[16]; + unsigned char *required_fields_bitmap = required_fields_bitmap_stack; + protobuf_c_boolean required_fields_bitmap_alloced = FALSE; + + ASSERT_IS_MESSAGE_DESCRIPTOR(desc); + + if (allocator == NULL) + allocator = &protobuf_c__allocator; + + rv = do_alloc(allocator, desc->sizeof_message); + if (!rv) + return (NULL); + scanned_member_slabs[0] = first_member_slab; + + required_fields_bitmap_len = (desc->n_fields + 7) / 8; + if (required_fields_bitmap_len > sizeof(required_fields_bitmap_stack)) { + required_fields_bitmap = do_alloc(allocator, required_fields_bitmap_len); + if (!required_fields_bitmap) { + do_free(allocator, rv); + return (NULL); + } + required_fields_bitmap_alloced = TRUE; + } + memset(required_fields_bitmap, 0, required_fields_bitmap_len); + + /* + * Generated code always defines "message_init". However, we provide a + * fallback for (1) users of old protobuf-c generated-code that do not + * provide the function, and (2) descriptors constructed from some other + * source (most likely, direct construction from the .proto file). + */ + if (desc->message_init != NULL) + protobuf_c_message_init(desc, rv); + else + message_init_generic(desc, rv); + + while (rem > 0) { + uint32_t tag; + uint8_t wire_type; + size_t used = parse_tag_and_wiretype(rem, at, &tag, &wire_type); + const ProtobufCFieldDescriptor *field; + ScannedMember tmp; + + if (used == 0) { + PROTOBUF_C_UNPACK_ERROR("error parsing tag/wiretype at offset %u", + (unsigned) (at - data)); + goto error_cleanup_during_scan; + } + /* + * \todo Consider optimizing for field[1].id == tag, if field[1] + * exists! + */ + if (last_field == NULL || last_field->id != tag) { + /* lookup field */ + int field_index = + int_range_lookup(desc->n_field_ranges, + desc->field_ranges, + tag); + if (field_index < 0) { + field = NULL; + n_unknown++; + } else { + field = desc->fields + field_index; + last_field = field; + last_field_index = field_index; + } + } else { + field = last_field; + } + + if (field != NULL && field->label == PROTOBUF_C_LABEL_REQUIRED) + REQUIRED_FIELD_BITMAP_SET(last_field_index); + + at += used; + rem -= used; + tmp.tag = tag; + tmp.wire_type = wire_type; + tmp.field = field; + tmp.data = at; + tmp.length_prefix_len = 0; + + switch (wire_type) { + case PROTOBUF_C_WIRE_TYPE_VARINT: { + unsigned max_len = rem < 10 ? rem : 10; + unsigned i; + + for (i = 0; i < max_len; i++) + if ((at[i] & 0x80) == 0) + break; + if (i == max_len) { + PROTOBUF_C_UNPACK_ERROR("unterminated varint at offset %u", + (unsigned) (at - data)); + goto error_cleanup_during_scan; + } + tmp.len = i + 1; + break; + } + case PROTOBUF_C_WIRE_TYPE_64BIT: + if (rem < 8) { + PROTOBUF_C_UNPACK_ERROR("too short after 64bit wiretype at offset %u", + (unsigned) (at - data)); + goto error_cleanup_during_scan; + } + tmp.len = 8; + break; + case PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED: { + size_t pref_len; + + tmp.len = scan_length_prefixed_data(rem, at, &pref_len); + if (tmp.len == 0) { + /* NOTE: scan_length_prefixed_data calls UNPACK_ERROR */ + goto error_cleanup_during_scan; + } + tmp.length_prefix_len = pref_len; + break; + } + case PROTOBUF_C_WIRE_TYPE_32BIT: + if (rem < 4) { + PROTOBUF_C_UNPACK_ERROR("too short after 32bit wiretype at offset %u", + (unsigned) (at - data)); + goto error_cleanup_during_scan; + } + tmp.len = 4; + break; + default: + PROTOBUF_C_UNPACK_ERROR("unsupported tag %u at offset %u", + wire_type, (unsigned) (at - data)); + goto error_cleanup_during_scan; + } + + if (in_slab_index == (1UL << + (which_slab + FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2))) + { + size_t size; + + in_slab_index = 0; + if (which_slab == MAX_SCANNED_MEMBER_SLAB) { + PROTOBUF_C_UNPACK_ERROR("too many fields"); + goto error_cleanup_during_scan; + } + which_slab++; + size = sizeof(ScannedMember) + << (which_slab + FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2); + scanned_member_slabs[which_slab] = do_alloc(allocator, size); + if (scanned_member_slabs[which_slab] == NULL) + goto error_cleanup_during_scan; + } + scanned_member_slabs[which_slab][in_slab_index++] = tmp; + + if (field != NULL && field->label == PROTOBUF_C_LABEL_REPEATED) { + size_t *n = STRUCT_MEMBER_PTR(size_t, rv, + field->quantifier_offset); + if (wire_type == PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED && + (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED) || + is_packable_type(field->type))) + { + size_t count; + if (!count_packed_elements(field->type, + tmp.len - + tmp.length_prefix_len, + tmp.data + + tmp.length_prefix_len, + &count)) + { + PROTOBUF_C_UNPACK_ERROR("counting packed elements"); + goto error_cleanup_during_scan; + } + *n += count; + } else { + *n += 1; + } + } + + at += tmp.len; + rem -= tmp.len; + } + + /* allocate space for repeated fields, also check that all required fields have been set */ + for (f = 0; f < desc->n_fields; f++) { + const ProtobufCFieldDescriptor *field = desc->fields + f; + if (field == NULL) { + continue; + } + if (field->label == PROTOBUF_C_LABEL_REPEATED) { + size_t siz = + sizeof_elt_in_repeated_array(field->type); + size_t *n_ptr = + STRUCT_MEMBER_PTR(size_t, rv, + field->quantifier_offset); + if (*n_ptr != 0) { + unsigned n = *n_ptr; + void *a; + *n_ptr = 0; + assert(rv->descriptor != NULL); +#define CLEAR_REMAINING_N_PTRS() \ + for(f++;f < desc->n_fields; f++) \ + { \ + field = desc->fields + f; \ + if (field->label == PROTOBUF_C_LABEL_REPEATED) \ + STRUCT_MEMBER (size_t, rv, field->quantifier_offset) = 0; \ + } + a = do_alloc(allocator, siz * n); + if (!a) { + CLEAR_REMAINING_N_PTRS(); + goto error_cleanup; + } + STRUCT_MEMBER(void *, rv, field->offset) = a; + } + } else if (field->label == PROTOBUF_C_LABEL_REQUIRED) { + if (field->default_value == NULL && + !REQUIRED_FIELD_BITMAP_IS_SET(f)) + { + CLEAR_REMAINING_N_PTRS(); + PROTOBUF_C_UNPACK_ERROR("message '%s': missing required field '%s'", + desc->name, field->name); + goto error_cleanup; + } + } + } +#undef CLEAR_REMAINING_N_PTRS + + /* allocate space for unknown fields */ + if (n_unknown) { + rv->unknown_fields = do_alloc(allocator, + n_unknown * sizeof(ProtobufCMessageUnknownField)); + if (rv->unknown_fields == NULL) + goto error_cleanup; + } + + /* do real parsing */ + for (i_slab = 0; i_slab <= which_slab; i_slab++) { + unsigned max = (i_slab == which_slab) ? + in_slab_index : (1UL << (i_slab + 4)); + ScannedMember *slab = scanned_member_slabs[i_slab]; + + for (j = 0; j < max; j++) { + if (!parse_member(slab + j, rv, allocator)) { + PROTOBUF_C_UNPACK_ERROR("error parsing member %s of %s", + slab->field ? slab->field->name : "*unknown-field*", + desc->name); + goto error_cleanup; + } + } + } + + /* cleanup */ + for (j = 1; j <= which_slab; j++) + do_free(allocator, scanned_member_slabs[j]); + if (required_fields_bitmap_alloced) + do_free(allocator, required_fields_bitmap); + return rv; + +error_cleanup: + protobuf_c_message_free_unpacked(rv, allocator); + for (j = 1; j <= which_slab; j++) + do_free(allocator, scanned_member_slabs[j]); + if (required_fields_bitmap_alloced) + do_free(allocator, required_fields_bitmap); + return NULL; + +error_cleanup_during_scan: + do_free(allocator, rv); + for (j = 1; j <= which_slab; j++) + do_free(allocator, scanned_member_slabs[j]); + if (required_fields_bitmap_alloced) + do_free(allocator, required_fields_bitmap); + return NULL; +} + +void +protobuf_c_message_free_unpacked(ProtobufCMessage *message, + ProtobufCAllocator *allocator) +{ + const ProtobufCMessageDescriptor *desc; + unsigned f; + + if (message == NULL) + return; + + desc = message->descriptor; + + ASSERT_IS_MESSAGE(message); + + if (allocator == NULL) + allocator = &protobuf_c__allocator; + message->descriptor = NULL; + for (f = 0; f < desc->n_fields; f++) { + if (0 != (desc->fields[f].flags & PROTOBUF_C_FIELD_FLAG_ONEOF) && + desc->fields[f].id != + STRUCT_MEMBER(uint32_t, message, desc->fields[f].quantifier_offset)) + { + /* This is not the selected oneof, skip it */ + continue; + } + + if (desc->fields[f].label == PROTOBUF_C_LABEL_REPEATED) { + size_t n = STRUCT_MEMBER(size_t, + message, + desc->fields[f].quantifier_offset); + void *arr = STRUCT_MEMBER(void *, + message, + desc->fields[f].offset); + + if (arr != NULL) { + if (desc->fields[f].type == PROTOBUF_C_TYPE_STRING) { + unsigned i; + for (i = 0; i < n; i++) + do_free(allocator, ((char **) arr)[i]); + } else if (desc->fields[f].type == PROTOBUF_C_TYPE_BYTES) { + unsigned i; + for (i = 0; i < n; i++) + do_free(allocator, ((ProtobufCBinaryData *) arr)[i].data); + } else if (desc->fields[f].type == PROTOBUF_C_TYPE_MESSAGE) { + unsigned i; + for (i = 0; i < n; i++) + protobuf_c_message_free_unpacked( + ((ProtobufCMessage **) arr)[i], + allocator + ); + } + do_free(allocator, arr); + } + } else if (desc->fields[f].type == PROTOBUF_C_TYPE_STRING) { + char *str = STRUCT_MEMBER(char *, message, + desc->fields[f].offset); + + if (str && str != desc->fields[f].default_value) + do_free(allocator, str); + } else if (desc->fields[f].type == PROTOBUF_C_TYPE_BYTES) { + void *data = STRUCT_MEMBER(ProtobufCBinaryData, message, + desc->fields[f].offset).data; + const ProtobufCBinaryData *default_bd; + + default_bd = desc->fields[f].default_value; + if (data != NULL && + (default_bd == NULL || + default_bd->data != data)) + { + do_free(allocator, data); + } + } else if (desc->fields[f].type == PROTOBUF_C_TYPE_MESSAGE) { + ProtobufCMessage *sm; + + sm = STRUCT_MEMBER(ProtobufCMessage *, message, + desc->fields[f].offset); + if (sm && sm != desc->fields[f].default_value) + protobuf_c_message_free_unpacked(sm, allocator); + } + } + + for (f = 0; f < message->n_unknown_fields; f++) + do_free(allocator, message->unknown_fields[f].data); + if (message->unknown_fields != NULL) + do_free(allocator, message->unknown_fields); + + do_free(allocator, message); +} + +void +protobuf_c_message_init(const ProtobufCMessageDescriptor * descriptor, + void *message) +{ + descriptor->message_init((ProtobufCMessage *) (message)); +} + +protobuf_c_boolean +protobuf_c_message_check(const ProtobufCMessage *message) +{ + unsigned i; + + if (!message || + !message->descriptor || + message->descriptor->magic != PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC) + { + return FALSE; + } + + for (i = 0; i < message->descriptor->n_fields; i++) { + const ProtobufCFieldDescriptor *f = message->descriptor->fields + i; + ProtobufCType type = f->type; + ProtobufCLabel label = f->label; + void *field = STRUCT_MEMBER_P (message, f->offset); + + if (f->flags & PROTOBUF_C_FIELD_FLAG_ONEOF) { + const uint32_t *oneof_case = STRUCT_MEMBER_P (message, f->quantifier_offset); + if (f->id != *oneof_case) { + continue; //Do not check if it is an unpopulated oneof member. + } + } + + if (label == PROTOBUF_C_LABEL_REPEATED) { + size_t *quantity = STRUCT_MEMBER_P (message, f->quantifier_offset); + + if (*quantity > 0 && *(void **) field == NULL) { + return FALSE; + } + + if (type == PROTOBUF_C_TYPE_MESSAGE) { + ProtobufCMessage **submessage = *(ProtobufCMessage ***) field; + unsigned j; + for (j = 0; j < *quantity; j++) { + if (!protobuf_c_message_check(submessage[j])) + return FALSE; + } + } else if (type == PROTOBUF_C_TYPE_STRING) { + char **string = *(char ***) field; + unsigned j; + for (j = 0; j < *quantity; j++) { + if (!string[j]) + return FALSE; + } + } else if (type == PROTOBUF_C_TYPE_BYTES) { + ProtobufCBinaryData *bd = *(ProtobufCBinaryData **) field; + unsigned j; + for (j = 0; j < *quantity; j++) { + if (bd[j].len > 0 && bd[j].data == NULL) + return FALSE; + } + } + + } else { /* PROTOBUF_C_LABEL_REQUIRED or PROTOBUF_C_LABEL_OPTIONAL */ + + if (type == PROTOBUF_C_TYPE_MESSAGE) { + ProtobufCMessage *submessage = *(ProtobufCMessage **) field; + if (label == PROTOBUF_C_LABEL_REQUIRED || submessage != NULL) { + if (!protobuf_c_message_check(submessage)) + return FALSE; + } + } else if (type == PROTOBUF_C_TYPE_STRING) { + char *string = *(char **) field; + if (label == PROTOBUF_C_LABEL_REQUIRED && string == NULL) + return FALSE; + } else if (type == PROTOBUF_C_TYPE_BYTES) { + protobuf_c_boolean *has = STRUCT_MEMBER_P (message, f->quantifier_offset); + ProtobufCBinaryData *bd = field; + if (label == PROTOBUF_C_LABEL_REQUIRED || *has == TRUE) { + if (bd->len > 0 && bd->data == NULL) + return FALSE; + } + } + } + } + + return TRUE; +} + +/* === services === */ + +typedef void (*GenericHandler) (void *service, + const ProtobufCMessage *input, + ProtobufCClosure closure, + void *closure_data); +void +protobuf_c_service_invoke_internal(ProtobufCService *service, + unsigned method_index, + const ProtobufCMessage *input, + ProtobufCClosure closure, + void *closure_data) +{ + GenericHandler *handlers; + GenericHandler handler; + + /* + * Verify that method_index is within range. If this fails, you are + * likely invoking a newly added method on an old service. (Although + * other memory corruption bugs can cause this assertion too.) + */ + assert(method_index < service->descriptor->n_methods); + + /* + * Get the array of virtual methods (which are enumerated by the + * generated code). + */ + handlers = (GenericHandler *) (service + 1); + + /* + * Get our method and invoke it. + * \todo Seems like handler == NULL is a situation that needs handling. + */ + handler = handlers[method_index]; + (*handler)(service, input, closure, closure_data); +} + +void +protobuf_c_service_generated_init(ProtobufCService *service, + const ProtobufCServiceDescriptor *descriptor, + ProtobufCServiceDestroy destroy) +{ + ASSERT_IS_SERVICE_DESCRIPTOR(descriptor); + service->descriptor = descriptor; + service->destroy = destroy; + service->invoke = protobuf_c_service_invoke_internal; + memset(&service[1], 0, descriptor->n_methods * sizeof(GenericHandler)); +} + +void protobuf_c_service_destroy(ProtobufCService *service) +{ + service->destroy(service); +} + +/* --- querying the descriptors --- */ + +const ProtobufCEnumValue * +protobuf_c_enum_descriptor_get_value_by_name(const ProtobufCEnumDescriptor *desc, + const char *name) +{ + unsigned start = 0; + unsigned count; + + if (desc == NULL || desc->values_by_name == NULL) + return NULL; + + count = desc->n_value_names; + + while (count > 1) { + unsigned mid = start + count / 2; + int rv = strcmp(desc->values_by_name[mid].name, name); + if (rv == 0) + return desc->values + desc->values_by_name[mid].index; + else if (rv < 0) { + count = start + count - (mid + 1); + start = mid + 1; + } else + count = mid - start; + } + if (count == 0) + return NULL; + if (strcmp(desc->values_by_name[start].name, name) == 0) + return desc->values + desc->values_by_name[start].index; + return NULL; +} + +const ProtobufCEnumValue * +protobuf_c_enum_descriptor_get_value(const ProtobufCEnumDescriptor *desc, + int value) +{ + int rv = int_range_lookup(desc->n_value_ranges, desc->value_ranges, value); + if (rv < 0) + return NULL; + return desc->values + rv; +} + +const ProtobufCFieldDescriptor * +protobuf_c_message_descriptor_get_field_by_name(const ProtobufCMessageDescriptor *desc, + const char *name) +{ + unsigned start = 0; + unsigned count; + const ProtobufCFieldDescriptor *field; + + if (desc == NULL || desc->fields_sorted_by_name == NULL) + return NULL; + + count = desc->n_fields; + + while (count > 1) { + unsigned mid = start + count / 2; + int rv; + field = desc->fields + desc->fields_sorted_by_name[mid]; + rv = strcmp(field->name, name); + if (rv == 0) + return field; + else if (rv < 0) { + count = start + count - (mid + 1); + start = mid + 1; + } else + count = mid - start; + } + if (count == 0) + return NULL; + field = desc->fields + desc->fields_sorted_by_name[start]; + if (strcmp(field->name, name) == 0) + return field; + return NULL; +} + +const ProtobufCFieldDescriptor * +protobuf_c_message_descriptor_get_field(const ProtobufCMessageDescriptor *desc, + unsigned value) +{ + int rv = int_range_lookup(desc->n_field_ranges,desc->field_ranges, value); + if (rv < 0) + return NULL; + return desc->fields + rv; +} + +const ProtobufCMethodDescriptor * +protobuf_c_service_descriptor_get_method_by_name(const ProtobufCServiceDescriptor *desc, + const char *name) +{ + unsigned start = 0; + unsigned count; + + if (desc == NULL || desc->method_indices_by_name == NULL) + return NULL; + + count = desc->n_methods; + + while (count > 1) { + unsigned mid = start + count / 2; + unsigned mid_index = desc->method_indices_by_name[mid]; + const char *mid_name = desc->methods[mid_index].name; + int rv = strcmp(mid_name, name); + + if (rv == 0) + return desc->methods + desc->method_indices_by_name[mid]; + if (rv < 0) { + count = start + count - (mid + 1); + start = mid + 1; + } else { + count = mid - start; + } + } + if (count == 0) + return NULL; + if (strcmp(desc->methods[desc->method_indices_by_name[start]].name, name) == 0) + return desc->methods + desc->method_indices_by_name[start]; + return NULL; +} diff --git a/lib/ssl_compat/Makefile.in b/lib/ssl_compat/Makefile.in new file mode 100644 index 0000000..7fef9ad --- /dev/null +++ b/lib/ssl_compat/Makefile.in @@ -0,0 +1,189 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ + +# Libraries +LT_LIBS = + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I$(srcdir) -I$(top_srcdir) @CPPFLAGS@ + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LIBSSL_COMPAT_OBJS = ssl_compat.lo + +IOBJS = $(LIBSSL_COMPAT_OBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +GENERATED = + +all: libssl_compat.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/ssl_compat/Makefile.in + cd $(top_builddir) && ./config.status --file lib/ssl_compat/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/ssl_compat/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +$(devdir)/log_server.pb-c.c: $(srcdir)/log_server.proto + @if [ -n "$(DEVEL)" ]; then \ + cmd='protoc-c --c_out=$(devdir) --proto_path=$(srcdir) $(srcdir)/log_server.proto'; \ + echo "$$cmd"; eval $$cmd; \ + cmd='$(scriptdir)/unanon $(devdir)/log_server.pb-c.h $(devdir)/log_server.pb-c.c'; \ + echo "$$cmd"; eval $$cmd; \ + if [ "$(devdir)" == "$(srcdir)" ]; then \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(incdir)/log_server.pb-c.h'; \ + else \ + cmd='mv -f $(devdir)/log_server.pb-c.h $(top_builddir)/log_server.pb-c.h'; \ + fi; \ + echo "$$cmd"; eval $$cmd; \ + fi + +libssl_compat.la: $(LIBSSL_COMPAT_OBJS) $(LT_LIBS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LIBSSL_COMPAT_OBJS) $(LT_LIBS) + +pre-install: + +install: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) -I$(top_srcdir) $(srcdir)/*.c + +pvs-log-files: + +pvs-studio: + +fuzz: + +check-fuzzer: + +check: check-fuzzer + +check-verbose: check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs + @if [ -n "$(DEVEL)" -a "$(devdir)" != "$(srcdir)" ]; then \ + cmd='rm -rf $(GENERATED)'; \ + echo "$$cmd"; eval $$cmd; \ + fi + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +ssl_compat.lo: $(srcdir)/ssl_compat.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_ssl_compat.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/ssl_compat.c +ssl_compat.i: $(srcdir)/ssl_compat.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_ssl_compat.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +ssl_compat.plog: ssl_compat.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/ssl_compat.c --i-file $< --output-file $@ diff --git a/lib/ssl_compat/ssl_compat.c b/lib/ssl_compat/ssl_compat.c new file mode 100644 index 0000000..2942807 --- /dev/null +++ b/lib/ssl_compat/ssl_compat.c @@ -0,0 +1,64 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#if defined(HAVE_OPENSSL) && !defined(HAVE_SSL_READ_EX) + +# include <sys/types.h> +# if defined(HAVE_WOLFSSL) +# include <wolfssl/options.h> +# endif +# include <openssl/ssl.h> + +# include <sudo_compat.h> +# include <sudo_ssl_compat.h> + +/* + * Emulate SSL_read_ex() using SSL_read(). + * Unlike the real SSL_read_ex(), this can return -1 on error. + */ +int +SSL_read_ex(SSL *ssl, void *buf, size_t num, size_t *readbytes) +{ + int nr = SSL_read(ssl, buf, (int)num); + if (nr <= 0) + return nr; + *readbytes = (size_t)nr; + return 1; +} + +/* + * Emulate SSL_write_ex() using SSL_write(). + * Unlike the real SSL_write_ex(), this can return -1 on error. + */ +int +SSL_write_ex(SSL *ssl, const void *buf, size_t num, size_t *written) +{ + int nw = SSL_write(ssl, buf, (int)num); + if (nw <= 0) + return nw; + *written = (size_t)nw; + return 1; +} +#endif /* HAVE_OPENSSL && !HAVE_SSL_READ_EX */ diff --git a/lib/util/Makefile.in b/lib/util/Makefile.in new file mode 100644 index 0000000..05455f7 --- /dev/null +++ b/lib/util/Makefile.in @@ -0,0 +1,1730 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2011-2023 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +devdir = @devdir@ +scriptdir = $(top_srcdir)/scripts +incdir = $(top_srcdir)/include +cross_compiling = @CROSS_COMPILING@ + +# Where to install things... +prefix = @prefix@ +exec_prefix = @exec_prefix@ +bindir = @bindir@ +sbindir = @sbindir@ +sysconfdir = @sysconfdir@ +adminconfdir = @adminconfdir@ +libexecdir = @libexecdir@ +datarootdir = @datarootdir@ +localstatedir = @localstatedir@ + +# File extension, mode and map file to use for shared libraries/objects +shlib_enable = @SHLIB_ENABLE@ +shlib_mode = @SHLIB_MODE@ +shlib_exp = ./util.exp +shlib_map = util.map +shlib_opt = util.opt + +# Compiler & tools to use +CC = @CC@ +HOSTCC = @CC_FOR_BUILD@ +CPP = @CPP@ +HOSTCPP = @CPP_FOR_BUILD@ +LIBTOOL = @LIBTOOL@ +SHA1SUM = @SHA1SUM@ +EGREP = @EGREP@ +SED = @SED@ +AWK = @AWK@ + +# Our install program supports extra flags... +INSTALL = $(SHELL) $(scriptdir)/install-sh -c +INSTALL_OWNER = -o $(install_uid) -g $(install_gid) +INSTALL_BACKUP = @INSTALL_BACKUP@ + +# C preprocessor defines +CPPDEFS = -D_PATH_SUDO_CONF=\"@sudo_conf@\" + +# C preprocessor flags +CPPFLAGS = -I$(incdir) -I$(top_builddir) -I. -I$(srcdir) $(CPPDEFS) \ + @CPPFLAGS@ -DDEFAULT_TEXT_DOMAIN=\"@PACKAGE_NAME@\" +HOSTCPPFLAGS = -I$(incdir) -I$(top_builddir) -I. -I$(srcdir) $(CPPDEFS) \ + @CPPFLAGS_FOR_BUILD@ -DDEFAULT_TEXT_DOMAIN=\"@PACKAGE_NAME@\" + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ +HOSTCFLAGS = @CFLAGS_FOR_BUILD@ + +# Flags to pass to the link stage +LDFLAGS = @LDFLAGS@ +LT_LDFLAGS = @LIBUTIL_LDFLAGS@ @LT_LDFLAGS@ @LT_LDEXPORTS@ + +# Flags to pass to libtool +LTFLAGS = @LT_STATIC@ + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# Libtool style shared library version +SHLIB_VERSION = 0:0:0 + +# cppcheck options, usually set in the top-level Makefile +CPPCHECK_OPTS = -q --enable=warning,performance,portability --suppress=constStatement --suppress=compareBoolExpressionWithInt --error-exitcode=1 --inline-suppr -Dva_copy=va_copy -U__cplusplus -UQUAD_MAX -UQUAD_MIN -UUQUAD_MAX -U_POSIX_HOST_NAME_MAX -U_POSIX_PATH_MAX -U__NBBY -DNSIG=64 + +# splint options, usually set in the top-level Makefile +SPLINT_OPTS = -D__restrict= -checks + +# PVS-studio options +PVS_CFG = $(top_srcdir)/PVS-Studio.cfg +PVS_IGNORE = 'V707,V011,V002,V536' +PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE) + +# Regression tests +TEST_PROGS = conf_test digest_test getgids getgrouplist_test hexchar_test \ + hltq_test json_test multiarch_test open_parent_dir_test \ + parse_gids_test parseln_test progname_test regex_test \ + strsplit_test strtobool_test strtoid_test strtomode_test \ + strtonum_test uuid_test @COMPAT_TEST_PROGS@ + +TEST_LIBS = @LIBS@ +TEST_LDFLAGS = @LDFLAGS@ +TEST_VERBOSE = +HARNESS = $(SHELL) regress/harness $(TEST_VERBOSE) + +# Fuzzers +LIBFUZZSTUB = $(top_builddir)/lib/fuzzstub/libsudo_fuzzstub.la +LIB_FUZZING_ENGINE = @FUZZ_ENGINE@ +FUZZ_PROGS = fuzz_sudo_conf +FUZZ_SEED_CORPUS = ${FUZZ_PROGS:=_seed_corpus.zip} +FUZZ_LIBS = $(LIB_FUZZING_ENGINE) @LIBS@ +FUZZ_LDFLAGS = @LDFLAGS@ +FUZZ_MAX_LEN = 4096 +FUZZ_RUNS = 8192 +FUZZ_VERBOSE = + +# User and group ids the installed files should be "owned" by +install_uid = 0 +install_gid = 0 + +# Set to non-empty for development mode +DEVEL = @DEVEL@ + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LTOBJS = basename.lo @DIGEST@ event.lo fatal.lo key_val.lo gethostname.lo \ + gettime.lo getgrouplist.lo gidlist.lo hexchar.lo json.lo lbuf.lo \ + locking.lo logfac.lo logpri.lo mkdir_parents.lo mmap_alloc.lo \ + multiarch.lo parseln.lo progname.lo rcstr.lo regex.lo roundup.lo \ + secure_path.lo setgroups.lo strsplit.lo strtobool.lo strtoid.lo \ + strtomode.lo strtonum.lo sudo_conf.lo sudo_debug.lo sudo_dso.lo \ + term.lo ttyname_dev.lo ttysize.lo uuid.lo \ + @COMMON_OBJS@ @LTLIBOBJS@ + +IOBJS = $(LTOBJS:.lo=.i) + +POBJS = $(IOBJS:.i=.plog) + +MKTEMP_TEST_OBJS = mktemp_test.lo mktemp.lo + +PARSELN_TEST_OBJS = parseln_test.lo parseln.lo + +PROGNAME_TEST_OBJS = progname_test.lo progname.lo basename.lo + +CLOSEFROM_TEST_OBJS = closefrom_test.lo closefrom.lo + +CONF_TEST_OBJS = conf_test.lo sudo_conf.lo + +DIGEST_TEST_OBJS = digest_test.lo @DIGEST@ + +FNM_TEST_OBJS = fnm_test.lo fnmatch.lo + +GLOBTEST_OBJS = globtest.lo glob.lo + +GETDELIM_TEST_OBJS = getdelim_test.lo getdelim.lo + +HLTQ_TEST_OBJS = hltq_test.lo + +HEXCHAR_TEST_OBJS = hexchar_test.lo hexchar.lo + +JSON_TEST_OBJS = json_test.lo json.lo + +MULTIARCH_TEST_OBJS = multiarch_test.lo multiarch.lo + +OPEN_PARENT_DIR_TEST_OBJS = open_parent_dir_test.lo mkdir_parents.lo + +REGEX_TEST_OBJS = regex_test.lo regex.lo + +STRTOBOOL_TEST_OBJS = strtobool_test.lo strtobool.lo + +STRTOMODE_TEST_OBJS = strtomode_test.lo strtomode.lo + +STRTOID_TEST_OBJS = strtoid_test.lo strtoid.lo strtonum.lo + +STRTONUM_TEST_OBJS = strtonum_test.lo strtonum.lo + +STRSPLIT_TEST_OBJS = strsplit_test.lo strsplit.lo + +PARSE_GIDS_TEST_OBJS = parse_gids_test.lo gidlist.lo + +GETGIDS_OBJS = getgids.lo getgrouplist.lo + +GETGROUPLIST_TEST_OBJS = getgrouplist_test.lo getgrouplist.lo + +STRSIG_TEST_OBJS = strsig_test.lo sig2str.lo str2sig.lo @SIGNAME@ + +UUID_TEST_OBJS = uuid_test.lo uuid.lo + +FUZZ_SUDO_CONF_OBJS = fuzz_sudo_conf.lo + +FUZZ_SUDO_CONF_CORPUS = $(srcdir)/regress/corpus/seed/sudo_conf/sudo.conf.* + +all: libsudo_util.la + +depend: siglist.c signame.c + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/util/Makefile.in + cd $(top_builddir) && ./config.status --file lib/util/Makefile + +harness: $(srcdir)/regress/harness.in + cd $(top_builddir) && ./config.status --file lib/util/regress/harness + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/util/Makefile + +.SUFFIXES: .c .h .i .lo .plog + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +.c.i: + $(CC) -E -o $@ $(CPPFLAGS) $< + +.i.plog: + ifile=$<; rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $${ifile%i}c --i-file $< --output-file $@ + +$(shlib_map): $(shlib_exp) + @$(AWK) 'BEGIN { print "{\n\tglobal:" } { print "\t\t"$$0";" } END { print "\tlocal:\n\t\t*;\n};" }' $(shlib_exp) > $@ + +$(shlib_opt): $(shlib_exp) + @$(SED) 's/^/+e /' $(shlib_exp) > $@ + +libsudo_util.la: $(LTOBJS) @LT_LDDEP@ + case "$(LT_LDFLAGS)" in \ + *-no-install*) \ + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LDFLAGS) $(LT_LDFLAGS) $(LTOBJS) @LT_DEP_LIBS@ @LIBINTL@ @LIBCRYPTO@ @LIBPTHREAD@ @LIBDL@ @LIBRT@ @NET_LIBS@;; \ + *) \ + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LDFLAGS) $(ASAN_LDFLAGS) $(HARDENING_LDFLAGS) $(LT_LDFLAGS) $(LTOBJS) -version-info $(SHLIB_VERSION) -rpath $(libexecdir)/sudo @LT_DEP_LIBS@ @LIBINTL@ @LIBCRYPTO@ @LIBPTHREAD@ @LIBDL@ @LIBRT@ @NET_LIBS@;; \ + esac + +siglist.c: mksiglist + ./mksiglist > $@ + +signame.c: mksigname + ./mksigname > $@ + +mksiglist: $(srcdir)/mksiglist.c mksiglist.h $(incdir)/sudo_compat.h $(top_builddir)/config.h + $(HOSTCC) $(HOSTCPPFLAGS) $(HOSTCFLAGS) $(srcdir)/mksiglist.c -o $@ + +mksigname: $(srcdir)/mksigname.c mksigname.h $(incdir)/sudo_compat.h $(top_builddir)/config.h + $(HOSTCC) $(HOSTCPPFLAGS) $(HOSTCFLAGS) $(srcdir)/mksigname.c -o $@ + +$(srcdir)/sys_siglist.h: $(srcdir)/siglist.in + @if [ -n "$(DEVEL)" ]; then \ + $(AWK) 'BEGIN {print "/* public domain */\n\n#include <config.h>\n#include <sys/types.h>\n#include <signal.h>\n#include \"sudo_compat.h\"\n\nint sudo_end_of_headers;\nstatic char *sudo_sys_siglist[NSIG];\n"} /^ [A-Z]/ {printf("#ifdef SIG%s\n if (sudo_sys_siglist[SIG%s] == NULL)\n\tsudo_sys_siglist[SIG%s] = \"%s\";\n#endif\n", $$1, $$1, $$1, substr($$0, 13))}' < $(srcdir)/siglist.in > $@; \ + fi + +$(srcdir)/sys_signame.h: $(srcdir)/siglist.in + @if [ -n "$(DEVEL)" ]; then \ + $(AWK) 'BEGIN {print "/* public domain */\n\n#include <config.h>\n#include <sys/types.h>\n#include <signal.h>\n#include \"sudo_compat.h\"\n\nint sudo_end_of_headers;\nstatic char *sudo_sys_signame[NSIG];\n"} /^ [A-Z]/ {printf("#ifdef SIG%s\n if (sudo_sys_signame[SIG%s] == NULL)\n\tsudo_sys_signame[SIG%s] = \"%s\";\n#endif\n", $$1, $$1, $$1, $$1)}' < $(srcdir)/siglist.in > $@; \ + fi + +mksiglist.h: $(srcdir)/sys_siglist.h + $(CPP) $(CPPFLAGS) $(srcdir)/sys_siglist.h | $(SED) -e '1,/^int sudo_end_of_headers;/d' -e '/^#/d' > mksiglist.h + +mksigname.h: $(srcdir)/sys_signame.h + $(CPP) $(CPPFLAGS) $(srcdir)/sys_signame.h | $(SED) -e '1,/^int sudo_end_of_headers;/d' -e '/^#/d' > mksigname.h + +closefrom_test: $(CLOSEFROM_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CLOSEFROM_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +conf_test: $(CONF_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(CONF_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +digest_test: $(DIGEST_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(DIGEST_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) @LIBCRYPTO@ + +fnm_test: $(FNM_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(FNM_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +globtest: $(GLOBTEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GLOBTEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +getdelim_test: $(GETDELIM_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GETDELIM_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +hltq_test: $(HLTQ_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(HLTQ_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +hexchar_test: $(HEXCHAR_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(HEXCHAR_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +json_test: $(JSON_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(JSON_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +mktemp_test: $(MKTEMP_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(MKTEMP_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +multiarch_test: $(MULTIARCH_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(MULTIARCH_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +open_parent_dir_test: $(OPEN_PARENT_DIR_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(OPEN_PARENT_DIR_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +parseln_test: $(PARSELN_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(PARSELN_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +progname_test: $(PROGNAME_TEST_OBJS) + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(PROGNAME_TEST_OBJS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +parse_gids_test: $(PARSE_GIDS_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(PARSE_GIDS_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +getgids: $(GETGIDS_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GETGIDS_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +getgrouplist_test: $(GETGROUPLIST_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GETGROUPLIST_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strsplit_test: $(STRSPLIT_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRSPLIT_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +regex_test: $(REGEX_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(REGEX_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strsig_test: $(STRSIG_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRSIG_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strtobool_test: $(STRTOBOOL_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRTOBOOL_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strtomode_test: $(STRTOMODE_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRTOMODE_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strtonum_test: $(STRTONUM_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRTONUM_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +strtoid_test: $(STRTOID_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(STRTOID_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +uuid_test: $(UUID_TEST_OBJS) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(UUID_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS) + +fuzz_sudo_conf: $(FUZZ_SUDO_CONF_OBJS) $(LIBFUZZSTUB) libsudo_util.la + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(FUZZ_SUDO_CONF_OBJS) $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(HARDENING_LDFLAGS) $(FUZZ_LDFLAGS) $(FUZZ_LIBS) libsudo_util.la + +fuzz_sudo_conf_seed_corpus.zip: + tdir=fuzz_sudo_conf.$$$$; \ + mkdir $$tdir; \ + for f in $(FUZZ_SUDO_CONF_CORPUS); do \ + cp $$f $$tdir/`$(SHA1SUM) $$f | $(SED) -e 's/^.*= *//' -e 's/ .*//'`; \ + done; \ + zip -j $@ $$tdir/*; \ + rm -rf $$tdir + +run-fuzz_sudo_conf: fuzz_sudo_conf + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + umask 022; \ + corpus=regress/corpus/sudo_conf; \ + mkdir -p $$corpus; \ + for f in $(FUZZ_SUDO_CONF_CORPUS); do \ + cp $$f $$corpus; \ + done; \ + ./fuzz_sudo_conf -dict=$(srcdir)/regress/fuzz/fuzz_sudo_conf.dict -max_len=$(FUZZ_MAX_LEN) -runs=$(FUZZ_RUNS) $(FUZZ_VERBOSE) $$corpus + +pre-install: + +install: install-dirs + case "$(LT_LDFLAGS)" in \ + *-no-install*) ;; \ + *) if [ X"$(shlib_enable)" = X"yes" ]; then \ + INSTALL_BACKUP='$(INSTALL_BACKUP)' $(LIBTOOL) $(LTFLAGS) --quiet --mode=install $(INSTALL) $(INSTALL_OWNER) libsudo_util.la $(DESTDIR)$(libexecdir)/sudo; \ + fi;; \ + esac + +install-dirs: + $(SHELL) $(scriptdir)/mkinstalldirs $(DESTDIR)$(libexecdir)/sudo + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: $(FUZZ_PROGS) $(FUZZ_SEED_CORPUS) + @if test X"$(FUZZ_DESTDIR)" = X""; then \ + echo "must set FUZZ_DESTDIR for install-fuzzer target"; \ + else \ + cp $(FUZZ_PROGS) $(FUZZ_SEED_CORPUS) $(FUZZ_DESTDIR); \ + cp $(srcdir)/regress/fuzz/*.dict $(FUZZ_DESTDIR); \ + fi + +uninstall: + $(LIBTOOL) $(LTFLAGS) --mode=uninstall rm -f $(DESTDIR)$(libexecdir)/sudo/libsudo_util.la + -test -z "$(INSTALL_BACKUP)" || \ + rm -f $(DESTDIR)$(libexecdir)/sudo/libsudo_util.*~ + +splint: + splint $(SPLINT_OPTS) -I$(incdir) -I$(top_builddir) $(srcdir)/*.c + +cppcheck: + cppcheck $(CPPCHECK_OPTS) -I$(incdir) -I$(top_builddir) $(srcdir)/*.c + +pvs-log-files: $(POBJS) + +pvs-studio: $(POBJS) + plog-converter $(PVS_LOG_OPTS) $(POBJS) + +fuzz: run-fuzz_sudo_conf + +check-fuzzer: $(FUZZ_PROGS) + @if test X"$(cross_compiling)" != X"yes"; then \ + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + echo "fuzz_sudo_conf: verifying corpus"; \ + ./fuzz_sudo_conf $(FUZZ_VERBOSE) $(FUZZ_SUDO_CONF_CORPUS); \ + fi + +# Note: some regress checks are run from srcdir for consistent error messages +check: $(TEST_PROGS) check-fuzzer + @if test X"$(cross_compiling)" != X"yes"; then \ + l=`locale -a 2>&1 | $(EGREP) -i '^C\.UTF-?8$$' | $(SED) 1q` || true; \ + test -n "$$l" || l="C"; \ + LC_ALL="$$l"; export LC_ALL; \ + unset LANG || LANG=; \ + unset LANGUAGE || LANGUAGE=; \ + MALLOC_OPTIONS=S; export MALLOC_OPTIONS; \ + MALLOC_CONF="abort:true,junk:true"; export MALLOC_CONF; \ + rval=0; \ + if test -f closefrom_test; then \ + ./closefrom_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + fi; \ + ./digest_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + if test -f fnm_test; then \ + ./fnm_test $(TEST_VERBOSE) $(srcdir)/regress/fnmatch/fnm_test.in || rval=`expr $$rval + $$?`; \ + fi; \ + if test -f globtest; then \ + mkdir -p `$(SED) 's@/[^/]*$$@@' $(srcdir)/regress/glob/files | sort -u`; \ + touch `cat $(srcdir)/regress/glob/files`; \ + chmod 0755 `$(EGREP) '/r[^/]*$$' $(srcdir)/regress/glob/files`; \ + chmod 0444 `$(EGREP) '/s[^/]*$$' $(srcdir)/regress/glob/files`; \ + chmod 0711 `$(EGREP) '/t[^/]*$$' $(srcdir)/regress/glob/files`; \ + ./globtest $(TEST_VERBOSE) $(srcdir)/regress/glob/globtest.in || rval=`expr $$rval + $$?`; \ + rm -rf fake; \ + fi; \ + if test -f getdelim_test; then \ + ./getdelim_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + fi; \ + if test -f mktemp_test; then \ + ./mktemp_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + fi; \ + if test -f strsig_test; then \ + ./strsig_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + fi; \ + ./getgrouplist_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./hexchar_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./hltq_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./json_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./multiarch_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./open_parent_dir_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./parse_gids_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./progname_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + rm -f ./progname_test2 $(TEST_VERBOSE); ln -s ./progname_test ./progname_test2; \ + ./progname_test2 $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + rm -f ./progname_test2; \ + ./regex_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./strsplit_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./strtobool_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./strtoid_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./strtomode_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./strtonum_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + ./uuid_test $(TEST_VERBOSE) || rval=`expr $$rval + $$?`; \ + AWK=$(AWK) $(HARNESS) sudo_conf || rval=`expr $$rval + $$?`; \ + AWK=$(AWK) $(HARNESS) sudo_parseln || rval=`expr $$rval + $$?`; \ + exit $$rval; \ + fi + +check-verbose: + exec $(MAKE) $(MFLAGS) TEST_VERBOSE=-v FUZZ_VERBOSE=-verbosity=1 check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f $(TEST_PROGS) $(FUZZ_PROGS) \ + *.lo *.o *.la + -rm -f *.i *.plog stamp-* core *.core core.* regress/*/*.out \ + regress/*/*.err + -rm -rf regress/corpus/sudo_conf + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile mksiglist mksiglist.h siglist.c \ + mksigname mksigname.h signame.c regress/harness \ + .libs $(shlib_exp) $(shlib_map) $(shlib_opt) + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean \ + harness $(FUZZ_SEED_CORPUS) run-fuzz_sudo_conf + +# Autogenerated dependencies, do not modify +aix.lo: $(srcdir)/aix.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/aix.c +aix.i: $(srcdir)/aix.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +aix.plog: aix.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/aix.c --i-file $< --output-file $@ +arc4random.lo: $(srcdir)/arc4random.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_rand.h \ + $(srcdir)/chacha_private.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/arc4random.c +arc4random.i: $(srcdir)/arc4random.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_rand.h \ + $(srcdir)/chacha_private.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +arc4random.plog: arc4random.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/arc4random.c --i-file $< --output-file $@ +arc4random_buf.lo: $(srcdir)/arc4random_buf.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_rand.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/arc4random_buf.c +arc4random_buf.i: $(srcdir)/arc4random_buf.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_rand.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +arc4random_buf.plog: arc4random_buf.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/arc4random_buf.c --i-file $< --output-file $@ +arc4random_uniform.lo: $(srcdir)/arc4random_uniform.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_rand.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/arc4random_uniform.c +arc4random_uniform.i: $(srcdir)/arc4random_uniform.c $(incdir)/sudo_compat.h \ + $(incdir)/sudo_rand.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +arc4random_uniform.plog: arc4random_uniform.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/arc4random_uniform.c --i-file $< --output-file $@ +basename.lo: $(srcdir)/basename.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/basename.c +basename.i: $(srcdir)/basename.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +basename.plog: basename.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/basename.c --i-file $< --output-file $@ +cfmakeraw.lo: $(srcdir)/cfmakeraw.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/cfmakeraw.c +cfmakeraw.i: $(srcdir)/cfmakeraw.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +cfmakeraw.plog: cfmakeraw.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/cfmakeraw.c --i-file $< --output-file $@ +closefrom.lo: $(srcdir)/closefrom.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h $(top_builddir)/pathnames.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/closefrom.c +closefrom.i: $(srcdir)/closefrom.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h $(top_builddir)/pathnames.h + $(CC) -E -o $@ $(CPPFLAGS) $< +closefrom.plog: closefrom.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/closefrom.c --i-file $< --output-file $@ +closefrom_test.lo: $(srcdir)/regress/closefrom/closefrom_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/closefrom/closefrom_test.c +closefrom_test.i: $(srcdir)/regress/closefrom/closefrom_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_plugin.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +closefrom_test.plog: closefrom_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/closefrom/closefrom_test.c --i-file $< --output-file $@ +conf_test.lo: $(srcdir)/regress/sudo_conf/conf_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_conf.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/sudo_conf/conf_test.c +conf_test.i: $(srcdir)/regress/sudo_conf/conf_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_conf.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +conf_test.plog: conf_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/sudo_conf/conf_test.c --i-file $< --output-file $@ +digest.lo: $(srcdir)/digest.c $(incdir)/compat/sha2.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_digest.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/digest.c +digest.i: $(srcdir)/digest.c $(incdir)/compat/sha2.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_digest.h \ + $(incdir)/sudo_queue.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +digest.plog: digest.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/digest.c --i-file $< --output-file $@ +digest_gcrypt.lo: $(srcdir)/digest_gcrypt.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/digest_gcrypt.c +digest_gcrypt.i: $(srcdir)/digest_gcrypt.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +digest_gcrypt.plog: digest_gcrypt.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/digest_gcrypt.c --i-file $< --output-file $@ +digest_openssl.lo: $(srcdir)/digest_openssl.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/digest_openssl.c +digest_openssl.i: $(srcdir)/digest_openssl.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_queue.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +digest_openssl.plog: digest_openssl.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/digest_openssl.c --i-file $< --output-file $@ +digest_test.lo: $(srcdir)/regress/digest/digest_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/digest/digest_test.c +digest_test.i: $(srcdir)/regress/digest/digest_test.c \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_digest.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +digest_test.plog: digest_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/digest/digest_test.c --i-file $< --output-file $@ +dup3.lo: $(srcdir)/dup3.c $(incdir)/sudo_compat.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/dup3.c +dup3.i: $(srcdir)/dup3.c $(incdir)/sudo_compat.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +dup3.plog: dup3.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/dup3.c --i-file $< --output-file $@ +event.lo: $(srcdir)/event.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/event.c +event.i: $(srcdir)/event.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_debug.h $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +event.plog: event.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/event.c --i-file $< --output-file $@ +event_poll.lo: $(srcdir)/event_poll.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/event_poll.c +event_poll.i: $(srcdir)/event_poll.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +event_poll.plog: event_poll.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/event_poll.c --i-file $< --output-file $@ +event_select.lo: $(srcdir)/event_select.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/event_select.c +event_select.i: $(srcdir)/event_select.c $(incdir)/compat/stdbool.h \ + $(incdir)/sudo_compat.h $(incdir)/sudo_debug.h \ + $(incdir)/sudo_event.h $(incdir)/sudo_fatal.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +event_select.plog: event_select.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/event_select.c --i-file $< --output-file $@ +explicit_bzero.lo: $(srcdir)/explicit_bzero.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/explicit_bzero.c +explicit_bzero.i: $(srcdir)/explicit_bzero.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +explicit_bzero.plog: explicit_bzero.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/explicit_bzero.c --i-file $< --output-file $@ +fatal.lo: $(srcdir)/fatal.c $(incdir)/compat/getaddrinfo.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/fatal.c +fatal.i: $(srcdir)/fatal.c $(incdir)/compat/getaddrinfo.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_fatal.h $(incdir)/sudo_gettext.h \ + $(incdir)/sudo_plugin.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fatal.plog: fatal.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/fatal.c --i-file $< --output-file $@ +fchmodat.lo: $(srcdir)/fchmodat.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/fchmodat.c +fchmodat.i: $(srcdir)/fchmodat.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fchmodat.plog: fchmodat.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/fchmodat.c --i-file $< --output-file $@ +fchownat.lo: $(srcdir)/fchownat.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/fchownat.c +fchownat.i: $(srcdir)/fchownat.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fchownat.plog: fchownat.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/fchownat.c --i-file $< --output-file $@ +fnm_test.lo: $(srcdir)/regress/fnmatch/fnm_test.c $(incdir)/compat/fnmatch.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/regress/fnmatch/fnm_test.c +fnm_test.i: $(srcdir)/regress/fnmatch/fnm_test.c $(incdir)/compat/fnmatch.h \ + $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \ + $(incdir)/sudo_util.h $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fnm_test.plog: fnm_test.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/fnmatch/fnm_test.c --i-file $< --output-file $@ +fnmatch.lo: $(srcdir)/fnmatch.c $(incdir)/compat/charclass.h \ + $(incdir)/compat/fnmatch.h $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/fnmatch.c +fnmatch.i: $(srcdir)/fnmatch.c $(incdir)/compat/charclass.h \ + $(incdir)/compat/fnmatch.h $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +fnmatch.plog: fnmatch.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/fnmatch.c --i-file $< --output-file $@ +freezero.lo: $(srcdir)/freezero.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/freezero.c +freezero.i: $(srcdir)/freezero.c $(incdir)/sudo_compat.h \ + $(top_builddir)/config.h + $(CC) -E -o $@ $(CPPFLAGS) $< +freezero.plog: freezero.i + rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/freezero.c --i-file $< --output-file $@ 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Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/resource.h> + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <usersec.h> +#include <uinfo.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +#ifdef HAVE_GETUSERATTR + +#ifndef HAVE_SETRLIMIT64 +# define setrlimit64(a, b) setrlimit(a, b) +# define rlimit64 rlimit +# define rlim64_t rlim_t +# define RLIM64_INFINITY RLIM_INFINITY +#endif /* HAVE_SETRLIMIT64 */ + +#ifndef RLIM_SAVED_MAX +# define RLIM_SAVED_MAX RLIM64_INFINITY +#endif + +struct aix_limit { + int resource; + const char *soft; + const char *hard; + int factor; +}; + +static struct aix_limit aix_limits[] = { + { RLIMIT_FSIZE, S_UFSIZE, S_UFSIZE_HARD, 512 }, + { RLIMIT_CPU, S_UCPU, S_UCPU_HARD, 1 }, + { RLIMIT_DATA, S_UDATA, S_UDATA_HARD, 512 }, + { RLIMIT_STACK, S_USTACK, S_USTACK_HARD, 512 }, + { RLIMIT_RSS, S_URSS, S_URSS_HARD, 512 }, + { RLIMIT_CORE, S_UCORE, S_UCORE_HARD, 512 }, + { RLIMIT_NOFILE, S_UNOFILE, S_UNOFILE_HARD, 1 } +}; + +static int +aix_getlimit(const char *user, const char *lim, int *valp) +{ + debug_decl(aix_getlimit, SUDO_DEBUG_UTIL); + + if (getuserattr((char *)user, (char *)lim, valp, SEC_INT) != 0) + debug_return_int(-1); + debug_return_int(0); +} + +static int +aix_setlimits(char *user) +{ + struct rlimit64 rlim; + int val; + size_t n; + debug_decl(aix_setlimits, SUDO_DEBUG_UTIL); + + if (setuserdb(S_READ) != 0) { + sudo_warn("%s", U_("unable to open userdb")); + debug_return_int(-1); + } + + /* + * For each resource limit, get the soft/hard values for the user + * and set those values via setrlimit64(). Must be run as euid 0. + */ + for (n = 0; n < nitems(aix_limits); n++) { + /* + * We have two strategies, depending on whether or not the + * hard limit has been defined. + */ + if (aix_getlimit(user, aix_limits[n].hard, &val) == 0) { + rlim.rlim_max = val == -1 ? RLIM64_INFINITY : (rlim64_t)val * aix_limits[n].factor; + if (aix_getlimit(user, aix_limits[n].soft, &val) == 0) + rlim.rlim_cur = val == -1 ? RLIM64_INFINITY : (rlim64_t)val * aix_limits[n].factor; + else + rlim.rlim_cur = rlim.rlim_max; /* soft not specd, use hard */ + } else { + /* No hard limit set, try soft limit, if it exists. */ + if (aix_getlimit(user, aix_limits[n].soft, &val) == -1) + continue; + rlim.rlim_cur = val == -1 ? RLIM64_INFINITY : (rlim64_t)val * aix_limits[n].factor; + + /* Set default hard limit as per limits(4). */ + switch (aix_limits[n].resource) { + case RLIMIT_CPU: + case RLIMIT_FSIZE: + rlim.rlim_max = rlim.rlim_cur; + break; + case RLIMIT_STACK: + rlim.rlim_max = 4194304UL * aix_limits[n].factor; + break; + default: + rlim.rlim_max = RLIM64_INFINITY; + break; + } + } + (void)setrlimit64(aix_limits[n].resource, &rlim); + } + enduserdb(); + debug_return_int(0); +} + +#ifdef HAVE_SETAUTHDB + +# ifndef HAVE_AUTHDB_T +typedef char authdb_t[16]; +# endif + +/* The empty string means to access all defined authentication registries. */ +static authdb_t old_registry; + +# if defined(HAVE_DECL_SETAUTHDB) && !HAVE_DECL_SETAUTHDB +int setauthdb(authdb_t new, authdb_t old); +int getauthdb(authdb_t val); +# endif +# if defined(HAVE_DECL_USRINFO) && !HAVE_DECL_USRINFO +int usrinfo(int cmd, char *buf, int count); +# endif + +/* + * Look up authentication registry for user (SYSTEM in /etc/security/user) and + * set it as the default for the process. This ensures that password and + * group lookups are made against the correct source (files, NIS, LDAP, etc). + * Does not modify errno even on error since callers do not check return value. + */ +int +aix_getauthregistry_v1(char *user, char *saved_registry) +{ + int serrno = errno; + int ret = -1; + debug_decl(aix_getauthregistry, SUDO_DEBUG_UTIL); + + saved_registry[0] = '\0'; + if (user != NULL) { + char *registry; + + if (setuserdb(S_READ) != 0) { + sudo_warn("%s", U_("unable to open userdb")); + goto done; + } + ret = getuserattr(user, (char *)S_REGISTRY, ®istry, SEC_CHAR); + if (ret == 0) { + /* sizeof(authdb_t) is guaranteed to be 16 */ + if (strlcpy(saved_registry, registry, 16) >= 16) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "registry for user %s too long: %s", user, registry); + } + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: saved authentication registry for user %s is %s", + __func__, user, saved_registry); + } + enduserdb(); + } else { + /* Get the process-wide registry. */ + ret = getauthdb(saved_registry); + } +done: + errno = serrno; + debug_return_int(ret); +} + +/* + * Set the specified authentication registry for user (SYSTEM in + * /etc/security/user) and set it as the default for the process. + * This ensures that password and group lookups are made against + * the correct source (files, NIS, LDAP, etc). + * If registry is NULL, look it up based on the user name. + * Does not modify errno even on error since callers do not check return value. + */ +int +aix_setauthdb_v1(char *user) +{ + return aix_setauthdb_v2(user, NULL); +} + +int +aix_setauthdb_v2(char *user, char *registry) +{ + authdb_t regbuf; + int serrno = errno; + int ret = -1; + debug_decl(aix_setauthdb, SUDO_DEBUG_UTIL); + + if (user != NULL) { + /* Look up authentication registry if one is not provided. */ + if (registry == NULL) { + if (aix_getauthregistry(user, regbuf) != 0) + goto done; + registry = regbuf; + } + ret = setauthdb(registry, old_registry); + if (ret != 0) { + sudo_warn(U_("unable to switch to registry \"%s\" for %s"), + registry, user); + } else { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: setting authentication registry to %s", + __func__, registry); + } + } +done: + errno = serrno; + debug_return_int(ret); +} + +/* + * Restore the saved authentication registry, if any. + * Does not modify errno even on error since callers do not check return value. + */ +int +aix_restoreauthdb_v1(void) +{ + int serrno = errno; + int ret = 0; + debug_decl(aix_setauthdb, SUDO_DEBUG_UTIL); + + if (setauthdb(old_registry, NULL) != 0) { + sudo_warn("%s", U_("unable to restore registry")); + ret = -1; + } else { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: setting authentication registry to %s", + __func__, old_registry); + } + errno = serrno; + debug_return_int(ret); +} +#endif + +int +aix_prep_user_v1(char *user, const char *tty) +{ + char *info; + int len; + debug_decl(aix_setauthdb, SUDO_DEBUG_UTIL); + + /* set usrinfo, like login(1) does */ + len = asprintf(&info, "NAME=%s%cLOGIN=%s%cLOGNAME=%s%cTTY=%s%c", + user, '\0', user, '\0', user, '\0', tty ? tty : "", '\0'); + if (len == -1) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_int(-1); + } + (void)usrinfo(SETUINFO, info, len); + free(info); + +#ifdef HAVE_SETAUTHDB + /* set authentication registry */ + if (aix_setauthdb(user, NULL) != 0) + debug_return_int(-1); +#endif + + /* set resource limits */ + if (aix_setlimits(user) != 0) + debug_return_int(-1); + + debug_return_int(0); +} +#endif /* HAVE_GETUSERATTR */ diff --git a/lib/util/arc4random.c b/lib/util/arc4random.c new file mode 100644 index 0000000..20ff4e1 --- /dev/null +++ b/lib/util/arc4random.c @@ -0,0 +1,206 @@ +/* $OpenBSD: arc4random.c,v 1.54 2015/09/13 08:31:47 guenther Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1996, David Mazieres <dm@uun.org> + * Copyright (c) 2008, Damien Miller <djm@openbsd.org> + * Copyright (c) 2013, Markus Friedl <markus@openbsd.org> + * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +/* + * ChaCha based random number generator for OpenBSD. + */ + +#include <config.h> + +#ifndef HAVE_ARC4RANDOM + +#ifdef HAVE_SYS_RANDOM_H +# include <sys/random.h> +#endif + +#include <fcntl.h> +#include <limits.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_rand.h> + +#define KEYSTREAM_ONLY +#include "chacha_private.h" + +#define minimum(a, b) ((a) < (b) ? (a) : (b)) + +#ifdef __GNUC__ +# define inline __inline +#else /* !__GNUC__ */ +# define inline +#endif /* !__GNUC__ */ + +/* Sudo isn't multithreaded */ +#define _ARC4_LOCK() +#define _ARC4_UNLOCK() + +#define KEYSZ 32 +#define IVSZ 8 +#define BLOCKSZ 64 +#define RSBUFSZ (16*BLOCKSZ) +static int rs_initialized; +static pid_t rs_stir_pid; +static chacha_ctx rs; /* chacha context for random keystream */ +static u_char rs_buf[RSBUFSZ]; /* keystream blocks */ +static size_t rs_have; /* valid bytes at end of rs_buf */ +static size_t rs_count; /* bytes till reseed */ + +static inline void _rs_rekey(unsigned char *dat, size_t datlen); + +static inline void +_rs_init(unsigned char *buf, size_t n) +{ + if (n < KEYSZ + IVSZ) + return; + chacha_keysetup(&rs, buf, KEYSZ * 8, 0); + chacha_ivsetup(&rs, buf + KEYSZ); +} + +static void +_rs_stir(void) +{ + unsigned char rnd[KEYSZ + IVSZ]; + + if (getentropy(rnd, sizeof rnd) == -1) + sudo_fatal_nodebug("getentropy"); + + if (!rs_initialized) { + rs_initialized = 1; + _rs_init(rnd, sizeof(rnd)); + } else + _rs_rekey(rnd, sizeof(rnd)); + explicit_bzero(rnd, sizeof(rnd)); /* discard source seed */ + + /* invalidate rs_buf */ + rs_have = 0; + memset(rs_buf, 0, sizeof(rs_buf)); + + rs_count = 1600000; +} + +static inline void +_rs_stir_if_needed(size_t len) +{ + pid_t pid = getpid(); + + if (rs_count <= len || !rs_initialized || rs_stir_pid != pid) { + rs_stir_pid = pid; + _rs_stir(); + } else + rs_count -= len; +} + +static inline void +_rs_rekey(unsigned char *dat, size_t datlen) +{ +#ifndef KEYSTREAM_ONLY + memset(rs_buf, 0, sizeof(rs_buf)); +#endif + /* fill rs_buf with the keystream */ + chacha_encrypt_bytes(&rs, rs_buf, rs_buf, sizeof(rs_buf)); + /* mix in optional user provided data */ + if (dat) { + size_t i, m; + + m = minimum(datlen, KEYSZ + IVSZ); + for (i = 0; i < m; i++) + rs_buf[i] ^= dat[i]; + } + /* immediately reinit for backtracking resistance */ + _rs_init(rs_buf, KEYSZ + IVSZ); + memset(rs_buf, 0, KEYSZ + IVSZ); // -V::512, 1086 + rs_have = sizeof(rs_buf) - KEYSZ - IVSZ; +} + +static inline void +_rs_random_buf(void *_buf, size_t n) +{ + unsigned char *buf = _buf; + unsigned char *keystream; + size_t m; + + _rs_stir_if_needed(n); + while (n > 0) { + if (rs_have > 0) { + m = minimum(n, rs_have); + keystream = rs_buf + sizeof(rs_buf) - rs_have; + memcpy(buf, keystream, m); + memset(keystream, 0, m); + buf += m; + n -= m; + rs_have -= m; + } + if (rs_have == 0) + _rs_rekey(NULL, 0); + } +} + +static inline void +_rs_random_u32(uint32_t *val) +{ + unsigned char *keystream; + + _rs_stir_if_needed(sizeof(*val)); + if (rs_have < sizeof(*val)) + _rs_rekey(NULL, 0); + keystream = rs_buf + sizeof(rs_buf) - rs_have; + memcpy(val, keystream, sizeof(*val)); + memset(keystream, 0, sizeof(*val)); + rs_have -= sizeof(*val); +} + +uint32_t +sudo_arc4random(void) +{ + uint32_t val; + + _ARC4_LOCK(); + _rs_random_u32(&val); + _ARC4_UNLOCK(); + return val; +} + +void +sudo_arc4random_buf(void *buf, size_t n) +{ + _ARC4_LOCK(); + _rs_random_buf(buf, n); + _ARC4_UNLOCK(); +} + +#endif /* HAVE_ARC4RANDOM */ diff --git a/lib/util/arc4random_buf.c b/lib/util/arc4random_buf.c new file mode 100644 index 0000000..c0fbe70 --- /dev/null +++ b/lib/util/arc4random_buf.c @@ -0,0 +1,70 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_ARC4RANDOM_BUF + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_rand.h> + +#define minimum(a, b) ((a) < (b) ? (a) : (b)) + +/* + * Call arc4random() repeatedly to fill buf with n bytes of random data. + */ +void +sudo_arc4random_buf(void *buf, size_t n) +{ + char *cp = buf; + + while (n != 0) { + size_t m = minimum(n, 4); + uint32_t val = arc4random(); + + switch (m) { + case 4: + *cp++ = (val >> 24) & 0xff; + FALLTHROUGH; + case 3: + *cp++ = (val >> 16) & 0xff; + FALLTHROUGH; + case 2: + *cp++ = (val >> 8) & 0xff; + FALLTHROUGH; + case 1: + *cp++ = val & 0xff; + break; + } + n -= m; + } +} + +#endif /* HAVE_ARC4RANDOM_BUF */ diff --git a/lib/util/arc4random_uniform.c b/lib/util/arc4random_uniform.c new file mode 100644 index 0000000..ad3c5aa --- /dev/null +++ b/lib/util/arc4random_uniform.c @@ -0,0 +1,76 @@ +/* $OpenBSD: arc4random_uniform.c,v 1.2 2015/09/13 08:31:47 guenther Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2008, Damien Miller <djm@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_ARC4RANDOM_UNIFORM + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_rand.h> + +/* + * Calculate a uniformly distributed random number less than upper_bound + * avoiding "modulo bias". + * + * Uniformity is achieved by generating new random numbers until the one + * returned is outside the range [0, 2**32 % upper_bound). This + * guarantees the selected random number will be inside + * [2**32 % upper_bound, 2**32) which maps back to [0, upper_bound) + * after reduction modulo upper_bound. + */ +uint32_t +sudo_arc4random_uniform(uint32_t upper_bound) +{ + uint32_t r, min; + + if (upper_bound < 2) + return 0; + + /* 2**32 % x == (2**32 - x) % x */ + min = -upper_bound % upper_bound; + + /* + * This could theoretically loop forever but each retry has + * p > 0.5 (worst case, usually far better) of selecting a + * number inside the range we need, so it should rarely need + * to re-roll. + */ + for (;;) { + r = arc4random(); + if (r >= min) + break; + } + + return r % upper_bound; +} + +#endif /* HAVE_ARC4RANDOM_UNIFORM */ diff --git a/lib/util/basename.c b/lib/util/basename.c new file mode 100644 index 0000000..a2c2c39 --- /dev/null +++ b/lib/util/basename.c @@ -0,0 +1,52 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* + * GNU-compatible basename(3) + * Unlike the POSIX version, this version never modifies its argument + * and returns an empty string if filename ends in a slash. + */ +char * +sudo_basename_v1(const char *filename) +{ + char *base; + + if ((base = strrchr(filename, '/')) != NULL) + base++; + else + base = (char *)filename; + + return base; +} diff --git a/lib/util/cfmakeraw.c b/lib/util/cfmakeraw.c new file mode 100644 index 0000000..f0dd41e --- /dev/null +++ b/lib/util/cfmakeraw.c @@ -0,0 +1,58 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <termios.h> + +#include <sudo_compat.h> + +/* Non-standard termios input flags */ +#ifndef IUCLC +# define IUCLC 0 +#endif +#ifndef IMAXBEL +# define IMAXBEL 0 +#endif + +/* Non-standard termios local flags */ +#ifndef IEXTEN +# define IEXTEN 0 +#endif + +/* + * Set termios to raw mode (BSD extension). + */ +void +sudo_cfmakeraw(struct termios *term) +{ + /* Set terminal to raw mode */ + CLR(term->c_iflag, + IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IMAXBEL|IUCLC); + CLR(term->c_oflag, OPOST); + CLR(term->c_lflag, ECHO|ECHONL|ICANON|ISIG|IEXTEN); + CLR(term->c_cflag, CSIZE|PARENB); + SET(term->c_cflag, CS8); + term->c_cc[VMIN] = 1; + term->c_cc[VTIME] = 0; +} diff --git a/lib/util/chacha_private.h b/lib/util/chacha_private.h new file mode 100644 index 0000000..7c3680f --- /dev/null +++ b/lib/util/chacha_private.h @@ -0,0 +1,222 @@ +/* +chacha-merged.c version 20080118 +D. J. Bernstein +Public domain. +*/ + +/* $OpenBSD: chacha_private.h,v 1.2 2013/10/04 07:02:27 djm Exp $ */ + +typedef unsigned char u8; +typedef unsigned int u32; + +typedef struct +{ + u32 input[16]; /* could be compressed */ +} chacha_ctx; + +#define U8C(v) (v##U) +#define U32C(v) (v##U) + +#define U8V(v) ((u8)(v) & U8C(0xFF)) +#define U32V(v) ((u32)(v) & U32C(0xFFFFFFFF)) + +#define ROTL32(v, n) \ + (U32V((v) << (n)) | ((v) >> (32 - (n)))) + +#define U8TO32_LITTLE(p) \ + (((u32)((p)[0]) ) | \ + ((u32)((p)[1]) << 8) | \ + ((u32)((p)[2]) << 16) | \ + ((u32)((p)[3]) << 24)) + +#define U32TO8_LITTLE(p, v) \ + do { \ + (p)[0] = U8V((v) ); \ + (p)[1] = U8V((v) >> 8); \ + (p)[2] = U8V((v) >> 16); \ + (p)[3] = U8V((v) >> 24); \ + } while (0) + +#define ROTATE(v,c) (ROTL32(v,c)) +#define XOR(v,w) ((v) ^ (w)) +#define PLUS(v,w) (U32V((v) + (w))) +#define PLUSONE(v) (PLUS((v),1)) + +#define QUARTERROUND(a,b,c,d) \ + a = PLUS(a,b); d = ROTATE(XOR(d,a),16); \ + c = PLUS(c,d); b = ROTATE(XOR(b,c),12); \ + a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); \ + c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); + +static const char sigma[16] = "expand 32-byte k"; +static const char tau[16] = "expand 16-byte k"; + +static void +chacha_keysetup(chacha_ctx *x,const u8 *k,u32 kbits,u32 ivbits) +{ + const char *constants; + + x->input[4] = U8TO32_LITTLE(k + 0); + x->input[5] = U8TO32_LITTLE(k + 4); + x->input[6] = U8TO32_LITTLE(k + 8); + x->input[7] = U8TO32_LITTLE(k + 12); + if (kbits == 256) { /* recommended */ + k += 16; + constants = sigma; + } else { /* kbits == 128 */ + constants = tau; + } + x->input[8] = U8TO32_LITTLE(k + 0); + x->input[9] = U8TO32_LITTLE(k + 4); + x->input[10] = U8TO32_LITTLE(k + 8); + x->input[11] = U8TO32_LITTLE(k + 12); + x->input[0] = U8TO32_LITTLE(constants + 0); + x->input[1] = U8TO32_LITTLE(constants + 4); + x->input[2] = U8TO32_LITTLE(constants + 8); + x->input[3] = U8TO32_LITTLE(constants + 12); +} + +static void +chacha_ivsetup(chacha_ctx *x,const u8 *iv) +{ + x->input[12] = 0; + x->input[13] = 0; + x->input[14] = U8TO32_LITTLE(iv + 0); + x->input[15] = U8TO32_LITTLE(iv + 4); +} + +static void +chacha_encrypt_bytes(chacha_ctx *x,const u8 *m,u8 *c,u32 bytes) +{ + u32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15; + u32 j0, j1, j2, j3, j4, j5, j6, j7, j8, j9, j10, j11, j12, j13, j14, j15; + u8 *ctarget = NULL; + u8 tmp[64]; + u_int i; + + if (!bytes) return; + + j0 = x->input[0]; + j1 = x->input[1]; + j2 = x->input[2]; + j3 = x->input[3]; + j4 = x->input[4]; + j5 = x->input[5]; + j6 = x->input[6]; + j7 = x->input[7]; + j8 = x->input[8]; + j9 = x->input[9]; + j10 = x->input[10]; + j11 = x->input[11]; + j12 = x->input[12]; + j13 = x->input[13]; + j14 = x->input[14]; + j15 = x->input[15]; + + for (;;) { + if (bytes < 64) { + for (i = 0;i < bytes;++i) tmp[i] = m[i]; + m = tmp; + ctarget = c; + c = tmp; + } + x0 = j0; + x1 = j1; + x2 = j2; + x3 = j3; + x4 = j4; + x5 = j5; + x6 = j6; + x7 = j7; + x8 = j8; + x9 = j9; + x10 = j10; + x11 = j11; + x12 = j12; + x13 = j13; + x14 = j14; + x15 = j15; + for (i = 20;i > 0;i -= 2) { + QUARTERROUND( x0, x4, x8,x12) + QUARTERROUND( x1, x5, x9,x13) + QUARTERROUND( x2, x6,x10,x14) + QUARTERROUND( x3, x7,x11,x15) + QUARTERROUND( x0, x5,x10,x15) + QUARTERROUND( x1, x6,x11,x12) + QUARTERROUND( x2, x7, x8,x13) + QUARTERROUND( x3, x4, x9,x14) + } + x0 = PLUS(x0,j0); + x1 = PLUS(x1,j1); + x2 = PLUS(x2,j2); + x3 = PLUS(x3,j3); + x4 = PLUS(x4,j4); + x5 = PLUS(x5,j5); + x6 = PLUS(x6,j6); + x7 = PLUS(x7,j7); + x8 = PLUS(x8,j8); + x9 = PLUS(x9,j9); + x10 = PLUS(x10,j10); + x11 = PLUS(x11,j11); + x12 = PLUS(x12,j12); + x13 = PLUS(x13,j13); + x14 = PLUS(x14,j14); + x15 = PLUS(x15,j15); + +#ifndef KEYSTREAM_ONLY + x0 = XOR(x0,U8TO32_LITTLE(m + 0)); + x1 = XOR(x1,U8TO32_LITTLE(m + 4)); + x2 = XOR(x2,U8TO32_LITTLE(m + 8)); + x3 = XOR(x3,U8TO32_LITTLE(m + 12)); + x4 = XOR(x4,U8TO32_LITTLE(m + 16)); + x5 = XOR(x5,U8TO32_LITTLE(m + 20)); + x6 = XOR(x6,U8TO32_LITTLE(m + 24)); + x7 = XOR(x7,U8TO32_LITTLE(m + 28)); + x8 = XOR(x8,U8TO32_LITTLE(m + 32)); + x9 = XOR(x9,U8TO32_LITTLE(m + 36)); + x10 = XOR(x10,U8TO32_LITTLE(m + 40)); + x11 = XOR(x11,U8TO32_LITTLE(m + 44)); + x12 = XOR(x12,U8TO32_LITTLE(m + 48)); + x13 = XOR(x13,U8TO32_LITTLE(m + 52)); + x14 = XOR(x14,U8TO32_LITTLE(m + 56)); + x15 = XOR(x15,U8TO32_LITTLE(m + 60)); +#endif + + j12 = PLUSONE(j12); + if (!j12) { + j13 = PLUSONE(j13); + /* stopping at 2^70 bytes per nonce is user's responsibility */ + } + + U32TO8_LITTLE(c + 0,x0); + U32TO8_LITTLE(c + 4,x1); + U32TO8_LITTLE(c + 8,x2); + U32TO8_LITTLE(c + 12,x3); + U32TO8_LITTLE(c + 16,x4); + U32TO8_LITTLE(c + 20,x5); + U32TO8_LITTLE(c + 24,x6); + U32TO8_LITTLE(c + 28,x7); + U32TO8_LITTLE(c + 32,x8); + U32TO8_LITTLE(c + 36,x9); + U32TO8_LITTLE(c + 40,x10); + U32TO8_LITTLE(c + 44,x11); + U32TO8_LITTLE(c + 48,x12); + U32TO8_LITTLE(c + 52,x13); + U32TO8_LITTLE(c + 56,x14); + U32TO8_LITTLE(c + 60,x15); + + if (bytes <= 64) { + if (bytes < 64) { + for (i = 0;i < bytes;++i) ctarget[i] = c[i]; + } + x->input[12] = j12; + x->input[13] = j13; + return; + } + bytes -= 64; + c += 64; +#ifndef KEYSTREAM_ONLY + m += 64; +#endif + } +} diff --git a/lib/util/closefrom.c b/lib/util/closefrom.c new file mode 100644 index 0000000..ef8e20c --- /dev/null +++ b/lib/util/closefrom.c @@ -0,0 +1,183 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2004-2005, 2007, 2010, 2012-2015, 2017-2022 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_CLOSEFROM + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdlib.h> +#include <unistd.h> +#ifdef HAVE_PSTAT_GETPROC +# include <sys/pstat.h> +#else +# include <dirent.h> +#endif +#ifdef HAVE_LIBPROC_H +# include <libproc.h> +#endif +#ifdef HAVE_LINUX_CLOSE_RANGE_H +# include <linux/close_range.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <pathnames.h> + +#ifndef OPEN_MAX +# define OPEN_MAX 256 +#endif + +/* Avoid potential libdispatch crash on macOS when we close its fds. */ +#ifdef __APPLE__ +# define closefrom_close(x) fcntl((x), F_SETFD, FD_CLOEXEC) +#else +# define closefrom_close(x) close(x) +#endif + +/* + * Close all file descriptors greater than or equal to lowfd. + * This is the expensive (fallback) method. + */ +static void +closefrom_fallback(int lowfd) +{ + long fd, maxfd; + + /* + * Fall back on sysconf(_SC_OPEN_MAX). This is equivalent to + * checking the RLIMIT_NOFILE soft limit. It is possible for + * there to be open file descriptors past this limit but there's + * not much we can do about that since the hard limit may be + * RLIM_INFINITY (LLONG_MAX or ULLONG_MAX on modern systems). + */ + maxfd = sysconf(_SC_OPEN_MAX); + if (maxfd < OPEN_MAX) + maxfd = OPEN_MAX; + + /* Make sure we didn't get RLIM_INFINITY as the upper limit. */ + if (maxfd > INT_MAX) + maxfd = INT_MAX; + + for (fd = lowfd; fd < maxfd; fd++) { + (void)closefrom_close((int)fd); + } +} + +/* + * Close all file descriptors greater than or equal to lowfd. + * We try the fast way first, falling back on the slow method. + */ +void +sudo_closefrom(int lowfd) +{ +#if defined(HAVE_PSTAT_GETPROC) + struct pst_status pst; +#elif defined(HAVE_DIRFD) + const char *path; + DIR *dirp; +#endif +#if defined(HAVE_PROC_PIDINFO) + struct proc_fdinfo *buf = NULL; + const pid_t pid = getpid(); + int i, n, len; +#endif + + /* Try the fast method first, if possible. */ +#if defined(HAVE_FCNTL_CLOSEM) + if (fcntl(lowfd, F_CLOSEM, 0) != -1) + return; +#elif defined(HAVE_CLOSE_RANGE) + if (close_range((unsigned int)lowfd, ~0U, 0) != -1) + return; +#elif defined(HAVE_PROC_PIDINFO) + len = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, NULL, 0); + switch (len) { + case 0: + /* No open files. */ + return; + case -1: + /* Fall back on other methods. */ + break; + default: + /* Allocate space for 4 extra fds to leave some wiggle room. */ + buf = malloc(len + (PROC_PIDLISTFD_SIZE * 4)); + if (buf == NULL) + break; + n = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, buf, len); + if (n == -1 || n > len) { + free(buf); + break; + } + n /= PROC_PIDLISTFD_SIZE; + for (i = 0; i < n; i++) { + if (buf[i].proc_fd >= lowfd) { + (void)closefrom_close(buf[i].proc_fd); + } + } + free(buf); + return; + } +#endif /* HAVE_PROC_PIDINFO */ +#if defined(HAVE_PSTAT_GETPROC) + /* + * EOVERFLOW is not a fatal error for the fields we use. + * See the "EOVERFLOW Error" section of pstat_getvminfo(3). + */ + if (pstat_getproc(&pst, sizeof(pst), 0, getpid()) != -1 || + errno == EOVERFLOW) { + int fd; + + for (fd = lowfd; fd <= pst.pst_highestfd; fd++) + (void)closefrom_close(fd); + return; + } +#elif defined(HAVE_DIRFD) + /* Use /proc/self/fd (or /dev/fd on macOS) if it exists. */ +# ifdef __APPLE__ + path = _PATH_DEV "fd"; +# else + path = "/proc/self/fd"; +# endif + if ((dirp = opendir(path)) != NULL) { + struct dirent *dent; + while ((dent = readdir(dirp)) != NULL) { + const char *errstr; + int fd = (int)sudo_strtonum(dent->d_name, lowfd, INT_MAX, &errstr); + if (errstr == NULL && fd != dirfd(dirp)) { + (void)closefrom_close(fd); + } + } + (void)closedir(dirp); + return; + } +#endif /* HAVE_DIRFD */ + + /* Do things the slow way. */ + closefrom_fallback(lowfd); +} + +#endif /* HAVE_CLOSEFROM */ diff --git a/lib/util/digest.c b/lib/util/digest.c new file mode 100644 index 0000000..b3a3b87 --- /dev/null +++ b/lib/util/digest.c @@ -0,0 +1,172 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <unistd.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_digest.h> + +#ifdef HAVE_SHA224UPDATE +# include <sha2.h> +#else +# include <compat/sha2.h> +#endif + +static struct digest_function { + const size_t digest_len; + void (*init)(SHA2_CTX *); +#ifdef SHA2_VOID_PTR + void (*update)(SHA2_CTX *, const void *, size_t); + void (*final)(void *, SHA2_CTX *); +#else + void (*update)(SHA2_CTX *, const unsigned char *, size_t); + void (*final)(unsigned char *, SHA2_CTX *); +#endif +} digest_functions[] = { + { + SHA224_DIGEST_LENGTH, + SHA224Init, + SHA224Update, + SHA224Final + }, { + SHA256_DIGEST_LENGTH, + SHA256Init, + SHA256Update, + SHA256Final + }, { + SHA384_DIGEST_LENGTH, + SHA384Init, + SHA384Update, + SHA384Final + }, { + SHA512_DIGEST_LENGTH, + SHA512Init, + SHA512Update, + SHA512Final + }, { + 0 + } +}; + +struct sudo_digest { + struct digest_function *func; + SHA2_CTX ctx; +}; + +struct sudo_digest * +sudo_digest_alloc_v1(unsigned int digest_type) +{ + debug_decl(sudo_digest_alloc, SUDO_DEBUG_UTIL); + struct digest_function *func = NULL; + struct sudo_digest *dig; + unsigned int i; + + for (i = 0; digest_functions[i].digest_len != 0; i++) { + if (digest_type == i) { + func = &digest_functions[i]; + break; + } + } + if (func == NULL) { + errno = EINVAL; + debug_return_ptr(NULL); + } + + if ((dig = malloc(sizeof(*dig))) == NULL) + debug_return_ptr(NULL); + func->init(&dig->ctx); + dig->func = func; + + debug_return_ptr(dig); +} + +void +sudo_digest_free_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_free, SUDO_DEBUG_UTIL); + + free(dig); + + debug_return; +} + +void +sudo_digest_reset_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_reset, SUDO_DEBUG_UTIL); + + dig->func->init(&dig->ctx); + + debug_return; +} + +size_t +sudo_digest_getlen_v2(unsigned int digest_type) +{ + debug_decl(sudo_digest_getlen, SUDO_DEBUG_UTIL); + unsigned int i; + + for (i = 0; digest_functions[i].digest_len != 0; i++) { + if (digest_type == i) + debug_return_size_t(digest_functions[i].digest_len); + } + + debug_return_size_t(0); +} + +int +sudo_digest_getlen_v1(unsigned int digest_type) +{ + size_t len = sudo_digest_getlen_v2(digest_type); + return len ? (int)len : -1; +} + +void +sudo_digest_update_v1(struct sudo_digest *dig, const void *data, size_t len) +{ + debug_decl(sudo_digest_update, SUDO_DEBUG_UTIL); + + dig->func->update(&dig->ctx, data, len); + + debug_return; +} + +void +sudo_digest_final_v1(struct sudo_digest *dig, unsigned char *md) +{ + debug_decl(sudo_digest_final, SUDO_DEBUG_UTIL); + + dig->func->final(md, &dig->ctx); + + debug_return; +} diff --git a/lib/util/digest_gcrypt.c b/lib/util/digest_gcrypt.c new file mode 100644 index 0000000..7deae2d --- /dev/null +++ b/lib/util/digest_gcrypt.c @@ -0,0 +1,167 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2017-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#include <gcrypt.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_digest.h> + +#define SUDO_LIBGCRYPT_VERSION_MIN "1.3.0" + +struct sudo_digest { + int gcry_digest_type; + unsigned int digest_len; + gcry_md_hd_t ctx; +}; + +/* Map sudo digest type to gcrypt digest type. */ +static int +sudo_digest_type_to_gcry(unsigned int digest_type) +{ + switch (digest_type) { + case SUDO_DIGEST_SHA224: + return GCRY_MD_SHA224; + case SUDO_DIGEST_SHA256: + return GCRY_MD_SHA256; + case SUDO_DIGEST_SHA384: + return GCRY_MD_SHA384; + case SUDO_DIGEST_SHA512: + return GCRY_MD_SHA512; + default: + return -1; + } +} + +struct sudo_digest * +sudo_digest_alloc_v1(unsigned int digest_type) +{ + debug_decl(sudo_digest_alloc, SUDO_DEBUG_UTIL); + static bool initialized = false; + struct sudo_digest *dig; + int gcry_digest_type; + + if (!initialized) { + if (!gcry_check_version(SUDO_LIBGCRYPT_VERSION_MIN)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "libgcrypt too old (need %s, have %s)", + SUDO_LIBGCRYPT_VERSION_MIN, gcry_check_version(NULL)); + debug_return_ptr(NULL); + } + gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); + initialized = true; + } + + gcry_digest_type = sudo_digest_type_to_gcry(digest_type); + if (gcry_digest_type == -1) { + errno = EINVAL; + debug_return_ptr(NULL); + } + + if ((dig = malloc(sizeof(*dig))) == NULL) + debug_return_ptr(NULL); + dig->gcry_digest_type = gcry_digest_type; + dig->digest_len = gcry_md_get_algo_dlen(gcry_digest_type); + + if (gcry_md_open(&dig->ctx, gcry_digest_type, 0) != 0) { + free(dig); + debug_return_ptr(NULL); + } + + debug_return_ptr(dig); +} + +void +sudo_digest_free_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_free, SUDO_DEBUG_UTIL); + + if (dig != NULL) { + gcry_md_close(dig->ctx); + free(dig); + } + + debug_return; +} + +void +sudo_digest_reset_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_reset, SUDO_DEBUG_UTIL); + + gcry_md_reset(dig->ctx); + + debug_return; +} + +size_t +sudo_digest_getlen_v2(unsigned int digest_type) +{ + debug_decl(sudo_digest_getlen, SUDO_DEBUG_UTIL); + int gcry_digest_type; + + gcry_digest_type = sudo_digest_type_to_gcry(digest_type); + if (gcry_digest_type == -1) + debug_return_size_t(0); + + debug_return_size_t(gcry_md_get_algo_dlen(gcry_digest_type)); +} + +int +sudo_digest_getlen_v1(unsigned int digest_type) +{ + size_t len = sudo_digest_getlen_v2(digest_type); + return len ? (int)len : -1; +} + +void +sudo_digest_update_v1(struct sudo_digest *dig, const void *data, size_t len) +{ + debug_decl(sudo_digest_update, SUDO_DEBUG_UTIL); + + gcry_md_write(dig->ctx, data, len); + + debug_return; +} + +void +sudo_digest_final_v1(struct sudo_digest *dig, unsigned char *md) +{ + debug_decl(sudo_digest_final, SUDO_DEBUG_UTIL); + + gcry_md_final(dig->ctx); + memcpy(md, gcry_md_read(dig->ctx, 0), dig->digest_len); + + debug_return; +} diff --git a/lib/util/digest_openssl.c b/lib/util/digest_openssl.c new file mode 100644 index 0000000..712b20b --- /dev/null +++ b/lib/util/digest_openssl.c @@ -0,0 +1,159 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <errno.h> + +#if defined(HAVE_WOLFSSL) +# include <wolfssl/options.h> +#endif +#include <openssl/evp.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_digest.h> + +struct sudo_digest { + EVP_MD_CTX *ctx; + const EVP_MD *md; +}; + +static const EVP_MD * +sudo_digest_type_to_md(unsigned int digest_type) +{ + const EVP_MD *md = NULL; + debug_decl(sudo_digest_type_to_md, SUDO_DEBUG_UTIL); + + switch (digest_type) { + case SUDO_DIGEST_SHA224: + md = EVP_sha224(); + break; + case SUDO_DIGEST_SHA256: + md = EVP_sha256(); + break; + case SUDO_DIGEST_SHA384: + md = EVP_sha384(); + break; + case SUDO_DIGEST_SHA512: + md = EVP_sha512(); + break; + default: + errno = EINVAL; + break; + } + debug_return_const_ptr(md); +} + +struct sudo_digest * +sudo_digest_alloc_v1(unsigned int digest_type) +{ + struct sudo_digest *dig; + EVP_MD_CTX *mdctx = NULL; + const EVP_MD *md; + debug_decl(sudo_digest_alloc, SUDO_DEBUG_UTIL); + + md = sudo_digest_type_to_md(digest_type); + if (md == NULL) + goto bad; + + mdctx = EVP_MD_CTX_new(); + if (mdctx == NULL || !EVP_DigestInit_ex(mdctx, md, NULL)) + goto bad; + + if ((dig = malloc(sizeof(*dig))) == NULL) + goto bad; + dig->md = md; + dig->ctx = mdctx; + + debug_return_ptr(dig); +bad: + EVP_MD_CTX_free(mdctx); + debug_return_ptr(NULL); +} + +void +sudo_digest_free_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_free, SUDO_DEBUG_UTIL); + + if (dig != NULL) { + EVP_MD_CTX_free(dig->ctx); + free(dig); + } + + debug_return; +} + +void +sudo_digest_reset_v1(struct sudo_digest *dig) +{ + debug_decl(sudo_digest_reset, SUDO_DEBUG_UTIL); + + /* These cannot fail. */ + EVP_MD_CTX_reset(dig->ctx); + EVP_DigestInit_ex(dig->ctx, dig->md, NULL); + + debug_return; +} + +size_t +sudo_digest_getlen_v2(unsigned int digest_type) +{ + const EVP_MD *md; + debug_decl(sudo_digest_getlen, SUDO_DEBUG_UTIL); + + md = sudo_digest_type_to_md(digest_type); + if (md == NULL) + debug_return_size_t(0); + + debug_return_size_t((size_t)EVP_MD_size(md)); +} + +int +sudo_digest_getlen_v1(unsigned int digest_type) +{ + size_t len = sudo_digest_getlen_v2(digest_type); + return len ? (int)len : -1; +} + +void +sudo_digest_update_v1(struct sudo_digest *dig, const void *data, size_t len) +{ + debug_decl(sudo_digest_update, SUDO_DEBUG_UTIL); + + EVP_DigestUpdate(dig->ctx, data, len); + + debug_return; +} + +void +sudo_digest_final_v1(struct sudo_digest *dig, unsigned char *md) +{ + debug_decl(sudo_digest_final, SUDO_DEBUG_UTIL); + + EVP_DigestFinal_ex(dig->ctx, md, NULL); + + debug_return; +} diff --git a/lib/util/dup3.c b/lib/util/dup3.c new file mode 100644 index 0000000..c3ab141 --- /dev/null +++ b/lib/util/dup3.c @@ -0,0 +1,74 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_DUP3 + +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +int +sudo_dup3(int oldd, int newd, int flags) +{ + int oflags; + + if (oldd == newd) { + errno = EINVAL; + return -1; + } + + if (dup2(oldd, newd) == -1) + return -1; + + oflags = fcntl(newd, F_GETFL, 0); + if (oflags == -1) + goto bad; + + if (ISSET(flags, O_NONBLOCK)) { + if (!ISSET(oflags, O_NONBLOCK)) { + SET(oflags, O_NONBLOCK); + if (fcntl(newd, F_SETFL, oflags) == -1) + goto bad; + } + } else { + if (ISSET(oflags, O_NONBLOCK)) { + CLR(oflags, O_NONBLOCK); + if (fcntl(newd, F_SETFL, oflags) == -1) + goto bad; + } + } + if (ISSET(flags, O_CLOEXEC)) { + if (fcntl(newd, F_SETFD, FD_CLOEXEC) == -1) + goto bad; + } + return 0; +bad: + close(newd); + return -1; +} + +#endif /* HAVE_DUP3 */ diff --git a/lib/util/event.c b/lib/util/event.c new file mode 100644 index 0000000..e49f657 --- /dev/null +++ b/lib/util/event.c @@ -0,0 +1,881 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/time.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_debug.h> +#include <sudo_event.h> +#include <sudo_util.h> + +static void sudo_ev_init(struct sudo_event *ev, int fd, int events, + sudo_ev_callback_t callback, void *closure); + +/* Default event base when none is specified. */ +static struct sudo_event_base *default_base; + +/* We need the event base to be available from the signal handler. */ +static struct sudo_event_base *signal_base; + +/* + * Add an event to the base's active queue and mark it active. + * This is extern so sudo_ev_scan_impl() can call it. + */ +void +sudo_ev_activate(struct sudo_event_base *base, struct sudo_event *ev) +{ + TAILQ_INSERT_TAIL(&base->active, ev, active_entries); + SET(ev->flags, SUDO_EVQ_ACTIVE); +} + +/* + * Remove an event from the base's active queue and mark it inactive. + */ +static inline void +sudo_ev_deactivate(struct sudo_event_base *base, struct sudo_event *ev) +{ + CLR(ev->flags, SUDO_EVQ_ACTIVE); + TAILQ_REMOVE(&base->active, ev, active_entries); +} + +/* + * Clear out the base's active queue and mark all events as inactive. + */ +static void +sudo_ev_deactivate_all(struct sudo_event_base *base) +{ + struct sudo_event *ev; + debug_decl(sudo_ev_deactivate_all, SUDO_DEBUG_EVENT); + + while ((ev = TAILQ_FIRST(&base->active)) != NULL) + sudo_ev_deactivate(base, ev); + + debug_return; +} + +/* + * Activate all signal events for which the corresponding signal_pending[] + * flag is set. + */ +static void +sudo_ev_activate_sigevents(struct sudo_event_base *base) +{ + struct sudo_event *ev; + sigset_t set, oset; + unsigned int i; + debug_decl(sudo_ev_activate_sigevents, SUDO_DEBUG_EVENT); + + /* + * We treat this as a critical section since the signal handler + * could modify the siginfo[] entry. + */ + sigfillset(&set); + sigprocmask(SIG_BLOCK, &set, &oset); + base->signal_caught = 0; + for (i = 0; i < NSIG; i++) { + if (!base->signal_pending[i]) + continue; + base->signal_pending[i] = 0; + TAILQ_FOREACH(ev, &base->signals[i], entries) { + if (ISSET(ev->events, SUDO_EV_SIGINFO)) { + struct sudo_ev_siginfo_container *sc = ev->closure; + if (base->siginfo[i]->si_signo == 0) { + /* No siginfo available. */ + sc->siginfo = NULL; + } else { + sc->siginfo = (siginfo_t *)sc->si_buf; + memcpy(sc->siginfo, base->siginfo[i], sizeof(siginfo_t)); + } + } + /* Make event active. */ + ev->revents = ev->events & (SUDO_EV_SIGNAL|SUDO_EV_SIGINFO); + TAILQ_INSERT_TAIL(&base->active, ev, active_entries); + SET(ev->flags, SUDO_EVQ_ACTIVE); + } + } + sigprocmask(SIG_SETMASK, &oset, NULL); + + debug_return; +} + +/* + * Internal callback for SUDO_EV_SIGNAL and SUDO_EV_SIGINFO. + */ +static void +signal_pipe_cb(int fd, int what, void *v) +{ + struct sudo_event_base *base = v; + unsigned char ch; + ssize_t nread; + debug_decl(signal_pipe_cb, SUDO_DEBUG_EVENT); + + /* + * Drain signal_pipe, the signal handler updated base->signals_pending. + * Actual processing of signal events is done when poll/select is + * interrupted by a signal. + */ + while ((nread = read(fd, &ch, 1)) > 0) { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: received signal %d", __func__, (int)ch); + } + if (nread == -1 && errno != EAGAIN) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "%s: error reading from signal pipe fd %d", __func__, fd); + } + + /* Activate signal events. */ + sudo_ev_activate_sigevents(base); + + debug_return; +} + +static int +sudo_ev_base_init(struct sudo_event_base *base) +{ + unsigned int i; + debug_decl(sudo_ev_base_init, SUDO_DEBUG_EVENT); + + TAILQ_INIT(&base->events); + TAILQ_INIT(&base->timeouts); + for (i = 0; i < NSIG; i++) + TAILQ_INIT(&base->signals[i]); + if (sudo_ev_base_alloc_impl(base) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR, + "%s: unable to allocate impl base", __func__); + goto bad; + } + if (pipe2(base->signal_pipe, O_NONBLOCK|O_CLOEXEC) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR, + "%s: unable to create signal pipe", __func__); + goto bad; + } + sudo_ev_init(&base->signal_event, base->signal_pipe[0], + SUDO_EV_READ|SUDO_EV_PERSIST, signal_pipe_cb, base); + + debug_return_int(0); +bad: + /* Note: signal_pipe[] not filled in. */ + sudo_ev_base_free_impl(base); + debug_return_int(-1); +} + +struct sudo_event_base * +sudo_ev_base_alloc_v1(void) +{ + struct sudo_event_base *base; + debug_decl(sudo_ev_base_alloc, SUDO_DEBUG_EVENT); + + base = calloc(1, sizeof(*base)); + if (base == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate base", __func__); + debug_return_ptr(NULL); + } + if (sudo_ev_base_init(base) != 0) { + free(base); + debug_return_ptr(NULL); + } + debug_return_ptr(base); +} + +void +sudo_ev_base_free_v1(struct sudo_event_base *base) +{ + struct sudo_event *ev, *next; + unsigned int i; + debug_decl(sudo_ev_base_free, SUDO_DEBUG_EVENT); + + if (base == NULL) + debug_return; + + /* Reset the default base if necessary. */ + if (default_base == base) + default_base = NULL; + + /* Remove any existing events before freeing the base. */ + TAILQ_FOREACH_SAFE(ev, &base->events, entries, next) { + sudo_ev_del(base, ev); + ev->base = NULL; + } + for (i = 0; i < NSIG; i++) { + TAILQ_FOREACH_SAFE(ev, &base->signals[i], entries, next) { + sudo_ev_del(base, ev); + ev->base = NULL; + } + free(base->siginfo[i]); + free(base->orig_handlers[i]); + } + sudo_ev_base_free_impl(base); + close(base->signal_pipe[0]); + close(base->signal_pipe[1]); + free(base); + + debug_return; +} + +void +sudo_ev_base_setdef_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_base_setdef, SUDO_DEBUG_EVENT); + + default_base = base; + + debug_return; +} + +/* + * Clear and fill in a struct sudo_event. + */ +static void +sudo_ev_init(struct sudo_event *ev, int fd, int events, + sudo_ev_callback_t callback, void *closure) +{ + debug_decl(sudo_ev_init, SUDO_DEBUG_EVENT); + + memset(ev, 0, sizeof(*ev)); + ev->fd = fd; + ev->events = events & SUDO_EV_MASK; + ev->pfd_idx = -1; + ev->callback = callback; + ev->closure = closure; + + debug_return; +} + +/* + * Set a pre-allocated struct sudo_event. + * Allocates space for siginfo_t for SUDO_EV_SIGINFO as needed. + */ +int +sudo_ev_set_v2(struct sudo_event *ev, int fd, int events, + sudo_ev_callback_t callback, void *closure) +{ + debug_decl(sudo_ev_set, SUDO_DEBUG_EVENT); + + /* For SUDO_EV_SIGINFO we use a container to store closure + siginfo_t */ + if (ISSET(events, SUDO_EV_SIGINFO)) { + struct sudo_ev_siginfo_container *container = + malloc(sizeof(*container) + sizeof(siginfo_t)); + if (container == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate siginfo container", __func__); + debug_return_int(-1); + } + container->closure = closure; + closure = container; + } + sudo_ev_init(ev, fd, events, callback, closure); + + debug_return_int(0); +} + +int +sudo_ev_set_v1(struct sudo_event *ev, int fd, short events, + sudo_ev_callback_t callback, void *closure) +{ + return sudo_ev_set_v2(ev, fd, events, callback, closure); +} + +struct sudo_event * +sudo_ev_alloc_v2(int fd, int events, sudo_ev_callback_t callback, void *closure) +{ + struct sudo_event *ev; + debug_decl(sudo_ev_alloc, SUDO_DEBUG_EVENT); + + ev = malloc(sizeof(*ev)); + if (ev == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate event", __func__); + debug_return_ptr(NULL); + } + if (sudo_ev_set(ev, fd, events, callback, closure) == -1) { + free(ev); + debug_return_ptr(NULL); + } + debug_return_ptr(ev); +} + +struct sudo_event * +sudo_ev_alloc_v1(int fd, short events, sudo_ev_callback_t callback, void *closure) +{ + return sudo_ev_alloc_v2(fd, events, callback, closure); +} + +void +sudo_ev_free_v1(struct sudo_event *ev) +{ + debug_decl(sudo_ev_free, SUDO_DEBUG_EVENT); + + if (ev == NULL) + debug_return; + + /* Make sure ev is not in use before freeing it. */ + if (ISSET(ev->flags, SUDO_EVQ_INSERTED)) + (void)sudo_ev_del(NULL, ev); + if (ISSET(ev->events, SUDO_EV_SIGINFO)) + free(ev->closure); + free(ev); + + debug_return; +} + +static void +sudo_ev_handler(int signo, siginfo_t *info, void *context) +{ + unsigned char ch = (unsigned char)signo; + + if (signal_base != NULL) { + /* + * Update signals_pending[] and siginfo[]. + * All signals must be blocked any time siginfo[] is accessed. + * If no siginfo available, zero out the struct in base. + */ + if (info == NULL) + memset(signal_base->siginfo[signo], 0, sizeof(*info)); + else + memcpy(signal_base->siginfo[signo], info, sizeof(*info)); + signal_base->signal_pending[signo] = 1; + signal_base->signal_caught = 1; + + /* Wake up the other end of the pipe. */ + ignore_result(write(signal_base->signal_pipe[1], &ch, 1)); + } +} + +static int +sudo_ev_add_signal(struct sudo_event_base *base, struct sudo_event *ev, + bool tohead) +{ + const int signo = ev->fd; + debug_decl(sudo_ev_add_signal, SUDO_DEBUG_EVENT); + + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: adding event %p to base %p, signal %d, events %d", + __func__, ev, base, signo, ev->events); + if (signo >= NSIG) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: signo %d larger than max %d", __func__, signo, NSIG - 1); + debug_return_int(-1); + } + if ((ev->events & ~(SUDO_EV_SIGNAL|SUDO_EV_SIGINFO|SUDO_EV_PERSIST)) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: invalid event set 0x%x", __func__, ev->events); + debug_return_int(-1); + } + + /* + * Allocate base->siginfo[signo] and base->orig_handlers[signo] as needed. + */ + if (base->siginfo[signo] == NULL) { + base->siginfo[signo] = malloc(sizeof(*base->siginfo[signo])); + if (base->siginfo[signo] == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate siginfo for signo %d", + __func__, signo); + debug_return_int(-1); + } + } + if (base->orig_handlers[signo] == NULL) { + base->orig_handlers[signo] = + malloc(sizeof(*base->orig_handlers[signo])); + if (base->orig_handlers[signo] == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate orig_handlers for signo %d", + __func__, signo); + debug_return_int(-1); + } + } + + /* Install signal handler as needed, saving the original value. */ + if (TAILQ_EMPTY(&base->signals[signo])) { + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + sigfillset(&sa.sa_mask); + sa.sa_flags = SA_RESTART|SA_SIGINFO; + sa.sa_sigaction = sudo_ev_handler; + if (sigaction(signo, &sa, base->orig_handlers[signo]) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to install handler for signo %d", __func__, signo); + debug_return_int(-1); + } + base->num_handlers++; + } + + /* + * Insert signal event into the proper tail queue. + * Signal events are always persistent. + */ + ev->base = base; + if (tohead) { + TAILQ_INSERT_HEAD(&base->signals[signo], ev, entries); + } else { + TAILQ_INSERT_TAIL(&base->signals[signo], ev, entries); + } + SET(ev->events, SUDO_EV_PERSIST); + SET(ev->flags, SUDO_EVQ_INSERTED); + + /* Add the internal signal_pipe event on demand. */ + if (!ISSET(base->signal_event.flags, SUDO_EVQ_INSERTED)) + sudo_ev_add(base, &base->signal_event, NULL, true); + + /* Update global signal base so handler to update signals_pending[] */ + signal_base = base; + + debug_return_int(0); +} + +int +sudo_ev_add_v1(struct sudo_event_base *base, struct sudo_event *ev, + const struct timeval *timo, bool tohead) +{ + struct timespec tsbuf, *ts = NULL; + + if (timo != NULL) { + TIMEVAL_TO_TIMESPEC(timo, &tsbuf); + ts = &tsbuf; + } + + return sudo_ev_add_v2(base, ev, ts, tohead); +} + +int +sudo_ev_add_v2(struct sudo_event_base *base, struct sudo_event *ev, + const struct timespec *timo, bool tohead) +{ + debug_decl(sudo_ev_add, SUDO_DEBUG_EVENT); + + /* If no base specified, use existing or default base. */ + if (base == NULL) { + if (ev->base != NULL) { + base = ev->base; + } else if (default_base != NULL) { + base = default_base; + } else { + sudo_debug_printf(SUDO_DEBUG_ERROR, "%s: no base specified", + __func__); + debug_return_int(-1); + } + } + + /* Only add new events to the events list. */ + if (ISSET(ev->flags, SUDO_EVQ_INSERTED)) { + /* If event no longer has a timeout, remove from timeouts queue. */ + if (timo == NULL && ISSET(ev->flags, SUDO_EVQ_TIMEOUTS)) { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: removing event %p from timeouts queue", __func__, ev); + CLR(ev->flags, SUDO_EVQ_TIMEOUTS); + TAILQ_REMOVE(&base->timeouts, ev, timeouts_entries); + } + } else { + /* Special handling for signal events. */ + if (ev->events & (SUDO_EV_SIGNAL|SUDO_EV_SIGINFO)) + debug_return_int(sudo_ev_add_signal(base, ev, tohead)); + + /* Add event to the base. */ + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: adding event %p to base %p, fd %d, events %d", + __func__, ev, base, ev->fd, ev->events); + if (ev->events & (SUDO_EV_READ|SUDO_EV_WRITE)) { + if (sudo_ev_add_impl(base, ev) != 0) + debug_return_int(-1); + } + ev->base = base; + if (tohead) { + TAILQ_INSERT_HEAD(&base->events, ev, entries); + } else { + TAILQ_INSERT_TAIL(&base->events, ev, entries); + } + SET(ev->flags, SUDO_EVQ_INSERTED); + } + /* Timeouts can be changed for existing events. */ + if (timo != NULL) { + struct sudo_event *evtmp; + if (ISSET(ev->flags, SUDO_EVQ_TIMEOUTS)) { + /* Remove from timeouts list, then add back. */ + TAILQ_REMOVE(&base->timeouts, ev, timeouts_entries); + } + /* Convert to absolute time and insert in sorted order; O(n). */ + sudo_gettime_mono(&ev->timeout); + sudo_timespecadd(&ev->timeout, timo, &ev->timeout); + TAILQ_FOREACH(evtmp, &base->timeouts, timeouts_entries) { + if (sudo_timespeccmp(&ev->timeout, &evtmp->timeout, <)) + break; + } + if (evtmp != NULL) { + TAILQ_INSERT_BEFORE(evtmp, ev, timeouts_entries); + } else { + TAILQ_INSERT_TAIL(&base->timeouts, ev, timeouts_entries); + } + SET(ev->flags, SUDO_EVQ_TIMEOUTS); + } + debug_return_int(0); +} + +/* + * Remove an event from the base, if specified, or the base embedded + * in the event if not. Note that there are multiple tail queues. + */ +int +sudo_ev_del_v1(struct sudo_event_base *base, struct sudo_event *ev) +{ + debug_decl(sudo_ev_del, SUDO_DEBUG_EVENT); + + /* Make sure event is really in the queue. */ + if (!ISSET(ev->flags, SUDO_EVQ_INSERTED)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: event %p not in queue", + __func__, ev); + debug_return_int(0); + } + + /* Check for event base mismatch, if one is specified. */ + if (base == NULL) { + if (ev->base == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR, "%s: no base specified", + __func__); + debug_return_int(-1); + } + base = ev->base; + } else if (base != ev->base) { + sudo_debug_printf(SUDO_DEBUG_ERROR, "%s: mismatch base %p, ev->base %p", + __func__, base, ev->base); + debug_return_int(-1); + } + + if (ev->events & (SUDO_EV_SIGNAL|SUDO_EV_SIGINFO)) { + const int signo = ev->fd; + + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: removing event %p from base %p, signo %d, events %d", + __func__, ev, base, signo, ev->events); + + /* Unlink from signal event list. */ + TAILQ_REMOVE(&base->signals[signo], ev, entries); + if (TAILQ_EMPTY(&base->signals[signo])) { + if (sigaction(signo, base->orig_handlers[signo], NULL) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to restore handler for signo %d", + __func__, signo); + debug_return_int(-1); + } + base->num_handlers--; + } + if (base->num_handlers == 0) { + /* No registered signal events, remove internal event. */ + sudo_ev_del(base, &base->signal_event); + } + } else { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: removing event %p from base %p, fd %d, events %d", + __func__, ev, base, ev->fd, ev->events); + + /* Call backend. */ + if (ev->events & (SUDO_EV_READ|SUDO_EV_WRITE)) { + if (sudo_ev_del_impl(base, ev) != 0) + debug_return_int(-1); + } + + /* Unlink from event list. */ + TAILQ_REMOVE(&base->events, ev, entries); + + /* Unlink from timeouts list. */ + if (ISSET(ev->flags, SUDO_EVQ_TIMEOUTS)) + TAILQ_REMOVE(&base->timeouts, ev, timeouts_entries); + } + + /* Unlink from active list. */ + if (ISSET(ev->flags, SUDO_EVQ_ACTIVE)) + TAILQ_REMOVE(&base->active, ev, active_entries); + + /* Mark event unused. */ + ev->flags = 0; + ev->pfd_idx = -1; + + debug_return_int(0); +} + +int +sudo_ev_dispatch_v1(struct sudo_event_base *base) +{ + return sudo_ev_loop_v1(base, 0); +} + +/* + * Run main event loop. + * Returns 0 on success, 1 if no events registered and -1 on error + */ +int +sudo_ev_loop_v1(struct sudo_event_base *base, unsigned int flags) +{ + struct timespec now; + struct sudo_event *ev; + int nready, rc = 0; + debug_decl(sudo_ev_loop, SUDO_DEBUG_EVENT); + + /* + * If sudo_ev_loopexit() was called when events were not running + * the next invocation of sudo_ev_loop() only runs once. + * All other base flags are ignored unless we are running events. + * Note that SUDO_EVLOOP_ONCE and SUDO_EVBASE_LOOPONCE are equivalent. + */ + base->flags |= (flags & SUDO_EVLOOP_ONCE); + base->flags &= (SUDO_EVBASE_LOOPEXIT|SUDO_EVBASE_LOOPONCE); + + for (;;) { +rescan: + /* Make sure we have some events. */ + if (TAILQ_EMPTY(&base->events)) { + rc = 1; + break; + } + + /* Call backend to scan for I/O events. */ + TAILQ_INIT(&base->active); + nready = sudo_ev_scan_impl(base, flags); + switch (nready) { + case -1: + if (errno == ENOMEM || errno == EAGAIN) + continue; + if (errno == EINTR) { + /* Interrupted by signal, check for sigevents. */ + if (base->signal_caught) { + signal_pipe_cb(base->signal_pipe[0], SUDO_EV_READ, base); + break; + } + continue; + } + rc = -1; + goto done; + case 0: + /* Timed out, activate timeout events. */ + sudo_gettime_mono(&now); + while ((ev = TAILQ_FIRST(&base->timeouts)) != NULL) { + if (sudo_timespeccmp(&ev->timeout, &now, >)) + break; + /* Remove from timeouts list. */ + CLR(ev->flags, SUDO_EVQ_TIMEOUTS); + TAILQ_REMOVE(&base->timeouts, ev, timeouts_entries); + /* Make event active. */ + ev->revents = SUDO_EV_TIMEOUT; + TAILQ_INSERT_TAIL(&base->active, ev, active_entries); + SET(ev->flags, SUDO_EVQ_ACTIVE); + } + if (ISSET(flags, SUDO_EVLOOP_NONBLOCK)) { + /* If nonblocking, return immediately if no active events. */ + if (TAILQ_EMPTY(&base->active)) + goto done; + } + break; + default: + /* I/O events active, sudo_ev_scan_impl() already added them. */ + break; + } + + /* + * Service each event in the active queue. + * We store the current event pointer in the base so that + * it can be cleared by sudo_ev_del(). This prevents a use + * after free if the callback frees its own event. + */ + while ((ev = TAILQ_FIRST(&base->active)) != NULL) { + /* Pop first event off the active queue. */ + sudo_ev_deactivate(base, ev); + /* Remove from base unless persistent. */ + if (!ISSET(ev->events, SUDO_EV_PERSIST)) + sudo_ev_del(base, ev); + ev->callback(ev->fd, ev->revents, + ev->closure == sudo_ev_self_cbarg() ? ev : ev->closure); + if (ISSET(base->flags, SUDO_EVBASE_LOOPBREAK)) { + /* Stop processing events immediately. */ + SET(base->flags, SUDO_EVBASE_GOT_BREAK); + sudo_ev_deactivate_all(base); + goto done; + } + if (ISSET(base->flags, SUDO_EVBASE_LOOPCONT)) { + /* Rescan events and start polling again. */ + CLR(base->flags, SUDO_EVBASE_LOOPCONT); + sudo_ev_deactivate_all(base); + goto rescan; + } + } + if (ISSET(base->flags, SUDO_EVBASE_LOOPONCE)) { + /* SUDO_EVBASE_LOOPEXIT is always set w/ SUDO_EVBASE_LOOPONCE */ + if (ISSET(base->flags, SUDO_EVBASE_LOOPEXIT)) + SET(base->flags, SUDO_EVBASE_GOT_EXIT); + sudo_ev_deactivate_all(base); + break; + } + } +done: + base->flags &= SUDO_EVBASE_GOT_MASK; + debug_return_int(rc); +} + +void +sudo_ev_loopexit_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_loopexit, SUDO_DEBUG_EVENT); + + if (base == NULL) { + if ((base = default_base) == NULL) + debug_return; + } + + /* SUDO_EVBASE_LOOPBREAK trumps SUDO_EVBASE_LOOPEXIT */ + if (!ISSET(base->flags, SUDO_EVBASE_LOOPBREAK)) { + /* SUDO_EVBASE_LOOPEXIT trumps SUDO_EVBASE_LOOPCONT */ + CLR(base->flags, SUDO_EVBASE_LOOPCONT); + SET(base->flags, (SUDO_EVBASE_LOOPEXIT|SUDO_EVBASE_LOOPONCE)); + } + debug_return; +} + +void +sudo_ev_loopbreak_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_loopbreak, SUDO_DEBUG_EVENT); + + if (base == NULL) { + if ((base = default_base) == NULL) + debug_return; + } + + /* SUDO_EVBASE_LOOPBREAK trumps SUDO_EVBASE_LOOP{CONT,EXIT,ONCE}. */ + CLR(base->flags, (SUDO_EVBASE_LOOPCONT|SUDO_EVBASE_LOOPEXIT|SUDO_EVBASE_LOOPONCE)); + SET(base->flags, SUDO_EVBASE_LOOPBREAK); + debug_return; +} + +void +sudo_ev_loopcontinue_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_loopcontinue, SUDO_DEBUG_EVENT); + + if (base == NULL) { + if ((base = default_base) == NULL) + debug_return; + } + + /* SUDO_EVBASE_LOOP{BREAK,EXIT} trumps SUDO_EVBASE_LOOPCONT */ + if (!ISSET(base->flags, SUDO_EVBASE_LOOPONCE|SUDO_EVBASE_LOOPBREAK)) { + SET(base->flags, SUDO_EVBASE_LOOPCONT); + } + debug_return; +} + +bool +sudo_ev_got_exit_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_got_exit, SUDO_DEBUG_EVENT); + + if (base == NULL) { + if ((base = default_base) == NULL) + debug_return_bool(false); + } + debug_return_bool(ISSET(base->flags, SUDO_EVBASE_GOT_EXIT)); +} + +bool +sudo_ev_got_break_v1(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_got_break, SUDO_DEBUG_EVENT); + + if (base == NULL) { + if ((base = default_base) == NULL) + debug_return_bool(false); + } + debug_return_bool(ISSET(base->flags, SUDO_EVBASE_GOT_BREAK)); +} + +int +sudo_ev_get_timeleft_v1(struct sudo_event *ev, struct timeval *tv) +{ + struct timespec ts; + int ret; + + ret = sudo_ev_get_timeleft_v2(ev, &ts); + TIMESPEC_TO_TIMEVAL(tv, &ts); + + return ret; +} + +int +sudo_ev_get_timeleft_v2(struct sudo_event *ev, struct timespec *ts) +{ + debug_decl(sudo_ev_get_timeleft, SUDO_DEBUG_EVENT); + + sudo_timespecclear(ts); + if (sudo_ev_pending_v1(ev, SUDO_EV_TIMEOUT, ts) != SUDO_EV_TIMEOUT) + debug_return_int(-1); + debug_return_int(0); +} + +int +sudo_ev_pending_v2(struct sudo_event *ev, int events, struct timespec *ts) +{ + int ret; + debug_decl(sudo_ev_pending, SUDO_DEBUG_EVENT); + + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: event %p, flags 0x%x, events 0x%x", + __func__, ev, ev->flags, ev->events); + + if (!ISSET(ev->flags, SUDO_EVQ_INSERTED)) + debug_return_int(0); + + ret = ev->events & events; + CLR(ret, SUDO_EV_TIMEOUT); + if (ISSET(ev->flags, SUDO_EVQ_TIMEOUTS) && ISSET(events, SUDO_EV_TIMEOUT)) { + ret |= SUDO_EV_TIMEOUT; + if (ts != NULL) { + struct timespec now; + + sudo_gettime_mono(&now); + sudo_timespecsub(&ev->timeout, &now, ts); + if (ts->tv_sec < 0) + sudo_timespecclear(ts); + } + } + + debug_return_int(ret); +} + +int +sudo_ev_pending_v1(struct sudo_event *ev, short events, struct timespec *ts) +{ + return sudo_ev_pending_v2(ev, events, ts); +} diff --git a/lib/util/event_poll.c b/lib/util/event_poll.c new file mode 100644 index 0000000..245fe59 --- /dev/null +++ b/lib/util/event_poll.c @@ -0,0 +1,236 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/resource.h> + +#include <limits.h> +#include <poll.h> +#include <stdlib.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> +#include <sudo_debug.h> +#include <sudo_event.h> + +#if defined(OPEN_MAX) && OPEN_MAX > 256 +# define SUDO_OPEN_MAX OPEN_MAX +#else +# define SUDO_OPEN_MAX 256 +#endif + +int +sudo_ev_base_alloc_impl(struct sudo_event_base *base) +{ + int i; + debug_decl(sudo_ev_base_alloc_impl, SUDO_DEBUG_EVENT); + + base->pfd_high = -1; + base->pfd_max = 32; + base->pfds = reallocarray(NULL, (size_t)base->pfd_max, sizeof(struct pollfd)); + if (base->pfds == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate %d pollfds", __func__, base->pfd_max); + base->pfd_max = 0; + debug_return_int(-1); + } + for (i = 0; i < base->pfd_max; i++) { + base->pfds[i].fd = -1; + } + + debug_return_int(0); +} + +void +sudo_ev_base_free_impl(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_base_free_impl, SUDO_DEBUG_EVENT); + free(base->pfds); + debug_return; +} + +int +sudo_ev_add_impl(struct sudo_event_base *base, struct sudo_event *ev) +{ + static int nofile_max = -1; + struct pollfd *pfd; + debug_decl(sudo_ev_add_impl, SUDO_DEBUG_EVENT); + + if (nofile_max == -1) { + struct rlimit rlim; + if (getrlimit(RLIMIT_NOFILE, &rlim) == 0) { + nofile_max = (int)rlim.rlim_cur; + } else { + nofile_max = SUDO_OPEN_MAX; + } + } + + /* If out of space in pfds array, realloc. */ + if (base->pfd_free == base->pfd_max) { + struct pollfd *pfds; + int i, new_max; + + /* Don't allow pfd_max to go over RLIM_NOFILE */ + new_max = base->pfd_max * 2; + if (new_max > nofile_max) + new_max = nofile_max; + if (base->pfd_free == new_max) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: out of fds (max %d)", __func__, nofile_max); + debug_return_int(-1); + } + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "%s: pfd_max %d -> %d", __func__, base->pfd_max, new_max); + pfds = reallocarray(base->pfds, (size_t)new_max, sizeof(struct pollfd)); + if (pfds == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to allocate %d pollfds", __func__, new_max); + debug_return_int(-1); + } + base->pfds = pfds; + base->pfd_max = new_max; + for (i = base->pfd_free; i < base->pfd_max; i++) { + base->pfds[i].fd = -1; + } + } + + /* Fill in pfd entry. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "%s: choosing free slot %d", __func__, base->pfd_free); + ev->pfd_idx = (short)base->pfd_free; + pfd = &base->pfds[ev->pfd_idx]; + pfd->fd = ev->fd; + pfd->events = 0; + if (ISSET(ev->events, SUDO_EV_READ)) + pfd->events |= POLLIN; + if (ISSET(ev->events, SUDO_EV_WRITE)) + pfd->events |= POLLOUT; + + /* Update pfd_high and pfd_free. */ + if (ev->pfd_idx > base->pfd_high) + base->pfd_high = ev->pfd_idx; + for (;;) { + if (++base->pfd_free == base->pfd_max) + break; + if (base->pfds[base->pfd_free].fd == -1) + break; + } + + debug_return_int(0); +} + +int +sudo_ev_del_impl(struct sudo_event_base *base, struct sudo_event *ev) +{ + debug_decl(sudo_ev_del_impl, SUDO_DEBUG_EVENT); + + /* Mark pfd entry unused, add to free list and adjust high slot. */ + base->pfds[ev->pfd_idx].fd = -1; + if (ev->pfd_idx < base->pfd_free) { + base->pfd_free = ev->pfd_idx; + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "%s: new free slot %d", __func__, base->pfd_free); + } + while (base->pfd_high >= 0 && base->pfds[base->pfd_high].fd == -1) + base->pfd_high--; + + debug_return_int(0); +} + +#ifdef HAVE_PPOLL +static int +sudo_ev_poll(struct pollfd *fds, nfds_t nfds, const struct timespec *timo) +{ + return ppoll(fds, nfds, timo, NULL); +} +#else +static int +sudo_ev_poll(struct pollfd *fds, nfds_t nfds, const struct timespec *timo) +{ + const int timeout = + timo ? (timo->tv_sec * 1000) + (timo->tv_nsec / 1000000) : -1; + + return poll(fds, nfds, timeout); +} +#endif /* HAVE_PPOLL */ + +int +sudo_ev_scan_impl(struct sudo_event_base *base, unsigned int flags) +{ + struct timespec now, ts, *timeout; + struct sudo_event *ev; + int nready; + debug_decl(sudo_ev_scan_impl, SUDO_DEBUG_EVENT); + + if ((ev = TAILQ_FIRST(&base->timeouts)) != NULL) { + sudo_gettime_mono(&now); + sudo_timespecsub(&ev->timeout, &now, &ts); + if (ts.tv_sec < 0) + sudo_timespecclear(&ts); + timeout = &ts; + } else { + if (ISSET(flags, SUDO_EVLOOP_NONBLOCK)) { + sudo_timespecclear(&ts); + timeout = &ts; + } else { + timeout = NULL; + } + } + + nready = sudo_ev_poll(base->pfds, (nfds_t)base->pfd_high + 1, timeout); + switch (nready) { + case -1: + /* Error: EINTR (signal) or EINVAL (nfds > RLIMIT_NOFILE) */ + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "sudo_ev_poll"); + break; + case 0: + /* Front end will activate timeout events. */ + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: timeout", __func__); + break; + default: + /* Activate each I/O event that fired. */ + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: %d fds ready", __func__, + nready); + TAILQ_FOREACH(ev, &base->events, entries) { + if (ev->pfd_idx != -1 && base->pfds[ev->pfd_idx].revents) { + int what = 0; + if (base->pfds[ev->pfd_idx].revents & (POLLIN|POLLHUP|POLLNVAL|POLLERR)) + what |= (ev->events & SUDO_EV_READ); + if (base->pfds[ev->pfd_idx].revents & (POLLOUT|POLLHUP|POLLNVAL|POLLERR)) + what |= (ev->events & SUDO_EV_WRITE); + /* Make event active. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG, + "%s: polled fd %d, events %d, activating %p", + __func__, ev->fd, what, ev); + ev->revents = (short)what; + sudo_ev_activate(base, ev); + } + } + break; + } + debug_return_int(nready); +} diff --git a/lib/util/event_select.c b/lib/util/event_select.c new file mode 100644 index 0000000..74e6e2f --- /dev/null +++ b/lib/util/event_select.c @@ -0,0 +1,250 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/param.h> /* for howmany() on Linux */ +#include <sys/time.h> +#ifdef HAVE_SYS_SYSMACROS_H +# include <sys/sysmacros.h> /* for howmany() on Solaris */ +#endif +#ifdef HAVE_SYS_SELECT_H +# include <sys/select.h> +#endif /* HAVE_SYS_SELECT_H */ +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> +#include <sudo_debug.h> +#include <sudo_event.h> + +int +sudo_ev_base_alloc_impl(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_base_alloc_impl, SUDO_DEBUG_EVENT); + + base->maxfd = NFDBITS - 1; + base->readfds_in = calloc(1, sizeof(fd_mask)); + base->writefds_in = calloc(1, sizeof(fd_mask)); + base->readfds_out = calloc(1, sizeof(fd_mask)); + base->writefds_out = calloc(1, sizeof(fd_mask)); + + if (base->readfds_in == NULL || base->writefds_in == NULL || + base->readfds_out == NULL || base->writefds_out == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to calloc(1, %zu)", __func__, sizeof(fd_mask)); + sudo_ev_base_free_impl(base); + debug_return_int(-1); + } + debug_return_int(0); +} + +void +sudo_ev_base_free_impl(struct sudo_event_base *base) +{ + debug_decl(sudo_ev_base_free_impl, SUDO_DEBUG_EVENT); + free(base->readfds_in); + free(base->writefds_in); + free(base->readfds_out); + free(base->writefds_out); + debug_return; +} + +int +sudo_ev_add_impl(struct sudo_event_base *base, struct sudo_event *ev) +{ + debug_decl(sudo_ev_add_impl, SUDO_DEBUG_EVENT); + + /* If out of space in fd sets, realloc. */ + if (ev->fd > base->maxfd) { + const int o = (base->maxfd + 1) / NFDBITS; + const int n = howmany(ev->fd + 1, NFDBITS); + const size_t used_bytes = (size_t)o * sizeof(fd_mask); + const size_t new_bytes = (size_t)(n - o) * sizeof(fd_mask); + fd_set *rfds_in, *wfds_in, *rfds_out, *wfds_out; + + rfds_in = reallocarray(base->readfds_in, (size_t)n, sizeof(fd_mask)); + wfds_in = reallocarray(base->writefds_in, (size_t)n, sizeof(fd_mask)); + rfds_out = reallocarray(base->readfds_out, (size_t)n, sizeof(fd_mask)); + wfds_out = reallocarray(base->writefds_out, (size_t)n, sizeof(fd_mask)); + if (rfds_in == NULL || wfds_in == NULL || + rfds_out == NULL || wfds_out == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s: unable to reallocarray(%d, %zu)", + __func__, n, sizeof(fd_mask)); + free(rfds_in); + free(wfds_in); + free(rfds_out); + free(wfds_out); + debug_return_int(-1); + } + + /* Clear newly allocated space. */ + memset((char *)rfds_in + used_bytes, 0, new_bytes); + memset((char *)wfds_in + used_bytes, 0, new_bytes); + memset((char *)rfds_out + used_bytes, 0, new_bytes); + memset((char *)wfds_out + used_bytes, 0, new_bytes); + + /* Update base. */ + base->readfds_in = rfds_in; + base->writefds_in = wfds_in; + base->readfds_out = rfds_out; + base->writefds_out = wfds_out; + base->maxfd = (n * NFDBITS) - 1; + } + + /* Set events and adjust high fd as needed. */ + if (ISSET(ev->events, SUDO_EV_READ)) { + sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: added fd %d to readfs", + __func__, ev->fd); + FD_SET(ev->fd, (fd_set *)base->readfds_in); + } + if (ISSET(ev->events, SUDO_EV_WRITE)) { + sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: added fd %d to writefds", + __func__, ev->fd); + FD_SET(ev->fd, (fd_set *)base->writefds_in); + } + if (ev->fd > base->highfd) + base->highfd = ev->fd; + + debug_return_int(0); +} + +int +sudo_ev_del_impl(struct sudo_event_base *base, struct sudo_event *ev) +{ + debug_decl(sudo_ev_del_impl, SUDO_DEBUG_EVENT); + + /* Remove from readfds and writefds and adjust high fd. */ + if (ISSET(ev->events, SUDO_EV_READ)) { + sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: removed fd %d from readfds", + __func__, ev->fd); + FD_CLR(ev->fd, (fd_set *)base->readfds_in); + } + if (ISSET(ev->events, SUDO_EV_WRITE)) { + sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: removed fd %d from writefds", + __func__, ev->fd); + FD_CLR(ev->fd, (fd_set *)base->writefds_in); + } + if (base->highfd == ev->fd) { + for (;;) { + if (FD_ISSET(base->highfd, (fd_set *)base->readfds_in) || + FD_ISSET(base->highfd, (fd_set *)base->writefds_in)) + break; + if (--base->highfd < 0) + break; + } + } + + debug_return_int(0); +} + +#ifdef HAVE_PSELECT +static int +sudo_ev_select(int nfds, fd_set *readfds, fd_set *writefds, + fd_set *exceptfds, const struct timespec *timeout) +{ + return pselect(nfds, readfds, writefds, exceptfds, timeout, NULL); +} +#else +static int +sudo_ev_select(int nfds, fd_set *readfds, fd_set *writefds, + fd_set *exceptfds, const struct timespec *timeout) +{ + struct timeval tvbuf, *tv = NULL; + + if (timeout != NULL) { + TIMESPEC_TO_TIMEVAL(&tvbuf, timeout); + tv = &tvbuf; + } + return select(nfds, readfds, writefds, exceptfds, tv); +} +#endif /* HAVE_PSELECT */ + +int +sudo_ev_scan_impl(struct sudo_event_base *base, unsigned int flags) +{ + struct timespec now, ts, *timeout; + struct sudo_event *ev; + size_t setsize; + int nready; + debug_decl(sudo_ev_loop, SUDO_DEBUG_EVENT); + + if ((ev = TAILQ_FIRST(&base->timeouts)) != NULL) { + sudo_gettime_mono(&now); + sudo_timespecsub(&ev->timeout, &now, &ts); + if (ts.tv_sec < 0) + sudo_timespecclear(&ts); + timeout = &ts; + } else { + if (ISSET(flags, SUDO_EVLOOP_NONBLOCK)) { + sudo_timespecclear(&ts); + timeout = &ts; + } else { + timeout = NULL; + } + } + + /* select() overwrites readfds/writefds so make a copy. */ + setsize = (size_t)howmany(base->highfd + 1, NFDBITS) * sizeof(fd_mask); + memcpy(base->readfds_out, base->readfds_in, setsize); + memcpy(base->writefds_out, base->writefds_in, setsize); + + sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: select high fd %d", + __func__, base->highfd); + nready = sudo_ev_select(base->highfd + 1, base->readfds_out, + base->writefds_out, NULL, timeout); + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: %d fds ready", __func__, nready); + switch (nready) { + case -1: + /* Error or interrupted by signal. */ + break; + case 0: + /* Front end will activate timeout events. */ + break; + default: + /* Activate each I/O event that fired. */ + TAILQ_FOREACH(ev, &base->events, entries) { + if (ev->fd >= 0) { + short what = 0; + if (FD_ISSET(ev->fd, (fd_set *)base->readfds_out)) + what |= (ev->events & SUDO_EV_READ); + if (FD_ISSET(ev->fd, (fd_set *)base->writefds_out)) + what |= (ev->events & SUDO_EV_WRITE); + if (what != 0) { + /* Make event active. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG, + "%s: selected fd %d, events %hd, activating %p", + __func__, ev->fd, what, ev); + ev->revents = what; + sudo_ev_activate(base, ev); + } + } + } + break; + } + debug_return_int(nready); +} diff --git a/lib/util/explicit_bzero.c b/lib/util/explicit_bzero.c new file mode 100644 index 0000000..3d0ee1f --- /dev/null +++ b/lib/util/explicit_bzero.c @@ -0,0 +1,77 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#define __STDC_WANT_LIB_EXT1__ 1 /* for memset_s() */ + +#include <string.h> +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ + +#include <sudo_compat.h> + +#ifndef HAVE_EXPLICIT_BZERO + +# if defined(HAVE_EXPLICIT_MEMSET) +void +sudo_explicit_bzero(void *s, size_t n) +{ + explicit_memset(s, 0, n); +} +# elif defined(HAVE_MEMSET_EXPLICIT) +void +sudo_explicit_bzero(void *s, size_t n) +{ + memset_explicit(s, 0, n); +} +# elif defined(HAVE_MEMSET_S) +void +sudo_explicit_bzero(void *s, size_t n) +{ + (void)memset_s(s, n, 0, n); +} +# elif defined(HAVE_BZERO) +/* Jumping through a volatile function pointer should not be optimized away. */ +void (* volatile sudo_explicit_bzero_impl)(void *, size_t) = + (void (*)(void *, size_t))bzero; + +void +sudo_explicit_bzero(void *s, size_t n) +{ + sudo_explicit_bzero_impl(s, n); +} +# else +void +sudo_explicit_bzero(void *v, size_t n) +{ + volatile unsigned char *s = v; + + /* Updating through a volatile pointer should not be optimized away. */ + while (n--) + *s++ = 0; +} +# endif /* HAVE_BZERO */ + +#endif /* HAVE_EXPLICIT_BZERO */ diff --git a/lib/util/fatal.c b/lib/util/fatal.c new file mode 100644 index 0000000..bdee6a1 --- /dev/null +++ b/lib/util/fatal.c @@ -0,0 +1,345 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2004-2005, 2010-2015, 2017-2018 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <errno.h> +#include <netdb.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <unistd.h> +#ifndef HAVE_GETADDRINFO +# include <compat/getaddrinfo.h> +#endif + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_queue.h> +#include <sudo_util.h> +#include <sudo_plugin.h> + +struct sudo_fatal_callback { + SLIST_ENTRY(sudo_fatal_callback) entries; + void (*func)(void); +}; +SLIST_HEAD(sudo_fatal_callback_list, sudo_fatal_callback); + +static struct sudo_fatal_callback_list callbacks = SLIST_HEAD_INITIALIZER(&callbacks); +static sudo_conv_t sudo_warn_conversation; +static sudo_warn_setlocale_t sudo_warn_setlocale; +static sudo_warn_setlocale_t sudo_warn_setlocale_prev; + +static void warning(const char * restrict errstr, const char * restrict fmt, va_list ap); + +static void +do_cleanup(void) +{ + struct sudo_fatal_callback *cb; + + /* Run callbacks, removing them from the list as we go. */ + while ((cb = SLIST_FIRST(&callbacks)) != NULL) { + SLIST_REMOVE_HEAD(&callbacks, entries); + cb->func(); + free(cb); + } +} + +sudo_noreturn void +sudo_fatal_nodebug_v1(const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + warning(strerror(errno), fmt, ap); + va_end(ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +sudo_noreturn void +sudo_fatalx_nodebug_v1(const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + warning(NULL, fmt, ap); + va_end(ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +sudo_noreturn void +sudo_vfatal_nodebug_v1(const char * restrict fmt, va_list ap) +{ + warning(strerror(errno), fmt, ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +sudo_noreturn void +sudo_vfatalx_nodebug_v1(const char * restrict fmt, va_list ap) +{ + warning(NULL, fmt, ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +void +sudo_warn_nodebug_v1(const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + warning(strerror(errno), fmt, ap); + va_end(ap); +} + +void +sudo_warnx_nodebug_v1(const char * restrict fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + warning(NULL, fmt, ap); + va_end(ap); +} + +void +sudo_vwarn_nodebug_v1(const char * restrict fmt, va_list ap) +{ + warning(strerror(errno), fmt, ap); +} + +void +sudo_vwarnx_nodebug_v1(const char * restrict fmt, va_list ap) +{ + warning(NULL, fmt, ap); +} + +sudo_noreturn void +sudo_gai_fatal_nodebug_v1(int errnum, const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + warning(gai_strerror(errnum), fmt, ap); + va_end(ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +sudo_noreturn void +sudo_gai_vfatal_nodebug_v1(int errnum, const char * restrict fmt, va_list ap) +{ + warning(gai_strerror(errnum), fmt, ap); + do_cleanup(); + exit(EXIT_FAILURE); +} + +void +sudo_gai_warn_nodebug_v1(int errnum, const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + warning(gai_strerror(errnum), fmt, ap); + va_end(ap); +} + +void +sudo_gai_vwarn_nodebug_v1(int errnum, const char * restrict fmt, va_list ap) +{ + warning(gai_strerror(errnum), fmt, ap); +} + +static void +warning(const char * restrict errstr, const char * restrict fmt, va_list ap) +{ + int cookie; + const int saved_errno = errno; + + /* Set user locale if setter was specified. */ + if (sudo_warn_setlocale != NULL) + sudo_warn_setlocale(false, &cookie); + + if (sudo_warn_conversation != NULL) { + struct sudo_conv_message msgs[6]; + char static_buf[1024], *buf = static_buf; + int nmsgs = 0; + + /* Use conversation function. */ + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = getprogname(); + if (fmt != NULL) { + va_list ap2; + int buflen; + + /* Use static buffer if possible, else dynamic. */ + va_copy(ap2, ap); + buflen = vsnprintf(static_buf, sizeof(static_buf), fmt, ap2); + va_end(ap2); + if (buflen >= ssizeof(static_buf)) { + /* Not enough room in static buf, allocate dynamically. */ + if (vasprintf(&buf, fmt, ap) == -1) + buf = static_buf; + } + if (buflen > 0) { + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = ": "; + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = buf; + } + } + if (errstr != NULL) { + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = ": "; + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = errstr; + } + msgs[nmsgs].msg_type = SUDO_CONV_ERROR_MSG; + msgs[nmsgs++].msg = "\n"; + sudo_warn_conversation(nmsgs, msgs, NULL, NULL); + if (buf != static_buf) + free(buf); + } else { + /* Write to the standard error. */ + fputs(getprogname(), stderr); + if (fmt != NULL) { + fputs(": ", stderr); + vfprintf(stderr, fmt, ap); + } + if (errstr != NULL) { + fputs(": ", stderr); + fputs(errstr, stderr); + } +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if (sudo_term_is_raw(fileno(stderr))) + putc('\r', stderr); +#endif + putc('\n', stderr); + } + + /* Restore old locale as needed. */ + if (sudo_warn_setlocale != NULL) + sudo_warn_setlocale(true, &cookie); + + /* Do not clobber errno. */ + errno = saved_errno; +} + +/* + * Register a callback to be run when sudo_fatal()/sudo_fatalx() is called. + */ +int +sudo_fatal_callback_register_v1(sudo_fatal_callback_t func) +{ + struct sudo_fatal_callback *cb; + + /* Do not register the same callback twice. */ + SLIST_FOREACH(cb, &callbacks, entries) { + if (func == cb->func) + return -1; /* dupe! */ + } + + /* Allocate and insert new callback. */ + cb = malloc(sizeof(*cb)); + if (cb == NULL) + return -1; + cb->func = func; + SLIST_INSERT_HEAD(&callbacks, cb, entries); + + return 0; +} + +/* + * Deregister a sudo_fatal()/sudo_fatalx() callback. + */ +int +sudo_fatal_callback_deregister_v1(sudo_fatal_callback_t func) +{ + struct sudo_fatal_callback *cb, *prev = NULL; + + /* Search for callback and remove if found, dupes are not allowed. */ + SLIST_FOREACH(cb, &callbacks, entries) { + if (cb->func == func) { + if (prev == NULL) + SLIST_REMOVE_HEAD(&callbacks, entries); + else + SLIST_REMOVE_AFTER(prev, entries); + free(cb); + return 0; + } + prev = cb; + } + + return -1; +} + +/* + * Set the conversation function to use for output insteaf of the + * standard error. If conv is NULL, switch back to standard error. + */ +void +sudo_warn_set_conversation_v1(sudo_conv_t conv) +{ + sudo_warn_conversation = conv; +} + +/* + * Set the locale function so the plugin can use a non-default + * locale for user warnings. + */ +void +sudo_warn_set_locale_func_v1(sudo_warn_setlocale_t func) +{ + sudo_warn_setlocale_prev = sudo_warn_setlocale; + sudo_warn_setlocale = func; +} + +#ifdef HAVE_LIBINTL_H +char * +sudo_warn_gettext_v1(const char *domainname, const char *msgid) +{ + int cookie; + char *msg; + + /* Set user locale if setter was specified. */ + if (sudo_warn_setlocale != NULL) + sudo_warn_setlocale(false, &cookie); + + msg = dgettext(domainname, msgid); + + /* Restore old locale as needed. */ + if (sudo_warn_setlocale != NULL) + sudo_warn_setlocale(true, &cookie); + + return msg; +} +#endif /* HAVE_LIBINTL_H */ diff --git a/lib/util/fchmodat.c b/lib/util/fchmodat.c new file mode 100644 index 0000000..39d294e --- /dev/null +++ b/lib/util/fchmodat.c @@ -0,0 +1,69 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_FCHMODAT +int +sudo_fchmodat(int dfd, const char *path, mode_t mode, int flag) +{ + int odfd, ret = -1; + + if (ISSET(flag, AT_SYMLINK_NOFOLLOW)) { + errno = ENOTSUP; + return -1; + } + + if (dfd == (int)AT_FDCWD) + return chmod(path, mode); + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + goto done; + + if (fchdir(dfd) == -1) + goto done; + + ret = chmod(path, mode); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + ret = -1; + } + +done: + if (odfd != -1) + close(odfd); + + return ret; +} +#endif /* HAVE_FCHMODAT */ diff --git a/lib/util/fchownat.c b/lib/util/fchownat.c new file mode 100644 index 0000000..035f239 --- /dev/null +++ b/lib/util/fchownat.c @@ -0,0 +1,67 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_FCHOWNAT +int +sudo_fchownat(int dfd, const char *path, uid_t uid, gid_t gid, int flags) +{ + int odfd, ret; + + if (dfd == AT_FDCWD) { + if (flags & AT_SYMLINK_NOFOLLOW) + return lchown(path, uid, gid); + else + return chown(path, uid, gid); + } + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + return -1; + + if (fchdir(dfd) == -1) { + close(odfd); + return -1; + } + + if (flags & AT_SYMLINK_NOFOLLOW) + ret = lchown(path, uid, gid); + else + ret = chown(path, uid, gid); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + ret = -1; + } + close(odfd); + + return ret; +} +#endif /* HAVE_FCHOWNAT */ diff --git a/lib/util/fnmatch.c b/lib/util/fnmatch.c new file mode 100644 index 0000000..729d546 --- /dev/null +++ b/lib/util/fnmatch.c @@ -0,0 +1,499 @@ +/* $OpenBSD: fnmatch.c,v 1.15 2011/02/10 21:31:59 stsp Exp $ */ + +/* + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2011, VMware, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the VMware, Inc. nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL VMWARE, INC. OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2008, 2016 Todd C. Miller <millert@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +/* Authored by William A. Rowe Jr. <wrowe; apache.org, vmware.com>, April 2011 + * + * Derived from The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2008 + * as described in; + * http://pubs.opengroup.org/onlinepubs/9699919799/functions/fnmatch.html + * + * Filename pattern matches defined in section 2.13, "Pattern Matching Notation" + * from chapter 2. "Shell Command Language" + * http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13 + * where; 1. A bracket expression starting with an unquoted <circumflex> '^' + * character CONTINUES to specify a non-matching list; 2. an explicit <period> '.' + * in a bracket expression matching list, e.g. "[.abc]" does NOT match a leading + * <period> in a filename; 3. a <left-square-bracket> '[' which does not introduce + * a valid bracket expression is treated as an ordinary character; 4. a differing + * number of consecutive slashes within pattern and string will NOT match; + * 5. a trailing '\' in FNM_ESCAPE mode is treated as an ordinary '\' character. + * + * Bracket expansion defined in section 9.3.5, "RE Bracket Expression", + * from chapter 9, "Regular Expressions" + * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_03_05 + * with no support for collating symbols, equivalence class expressions or + * character class expressions. A partial range expression with a leading + * hyphen following a valid range expression will match only the ordinary + * <hyphen> and the ending character (e.g. "[a-m-z]" will match characters + * 'a' through 'm', a <hyphen> '-', or a 'z'). + * + * Supports BSD extensions FNM_LEADING_DIR to match pattern to the end of one + * path segment of string, and FNM_CASEFOLD to ignore alpha case. + * + * NOTE: Only POSIX/C single byte locales are correctly supported at this time. + * Notably, non-POSIX locales with FNM_CASEFOLD produce undefined results, + * particularly in ranges of mixed case (e.g. "[A-z]") or spanning alpha and + * nonalpha characters within a range. + * + * XXX comments below indicate porting required for multi-byte character sets + * and non-POSIX locale collation orders; requires mbr* APIs to track shift + * state of pattern and string (rewinding pattern and string repeatedly). + * + * Certain parts of the code assume 0x00-0x3F are unique with any MBCS (e.g. + * UTF-8, SHIFT-JIS, etc). Any implementation allowing '\' as an alternate + * path delimiter must be aware that 0x5C is NOT unique within SHIFT-JIS. + */ + +#include <config.h> + +#ifndef HAVE_FNMATCH + +#include <ctype.h> +#include <string.h> + +#include <sudo_compat.h> +#include <compat/charclass.h> +#include <compat/fnmatch.h> + +#define RANGE_MATCH 1 +#define RANGE_NOMATCH 0 +#define RANGE_ERROR (-1) + +static int +classmatch(const char *pattern, char test, int foldcase, const char **ep) +{ + const char * const mismatch = pattern; + const char *colon; + struct cclass *cc; + int result = RANGE_NOMATCH; + size_t len; + + if (pattern[0] != '[' || pattern[1] != ':') { + *ep = mismatch; + return RANGE_ERROR; + } + pattern += 2; + + if ((colon = strchr(pattern, ':')) == NULL || colon[1] != ']') { + *ep = mismatch; + return RANGE_ERROR; + } + *ep = colon + 2; + len = (size_t)(colon - pattern); + + if (foldcase && strncmp(pattern, "upper:]", 7) == 0) + pattern = "lower:]"; + for (cc = cclasses; cc->name != NULL; cc++) { + if (!strncmp(pattern, cc->name, len) && cc->name[len] == '\0') { + if (cc->isctype((unsigned char)test)) + result = RANGE_MATCH; + break; + } + } + if (cc->name == NULL) { + /* invalid character class, treat as normal text */ + *ep = mismatch; + result = RANGE_ERROR; + } + return result; +} + +/* Most MBCS/collation/case issues handled here. Wildcard '*' is not handled. + * EOS '\0' and the FNM_PATHNAME '/' delimiters are not advanced over, + * however the "\/" sequence is advanced to '/'. + * + * Both pattern and string are **char to support pointer increment of arbitrary + * multibyte characters for the given locale, in a later iteration of this code + */ +static int fnmatch_ch(const char **pattern, const char **string, int flags) +{ + const char * const mismatch = *pattern; + const int nocase = !!(flags & FNM_CASEFOLD); + const int escape = !(flags & FNM_NOESCAPE); + const int slash = !!(flags & FNM_PATHNAME); + int result = FNM_NOMATCH; + const char *startch; + int negate; + + if (**pattern == '[') + { + ++*pattern; + + /* Handle negation, either leading ! or ^ operators (never both) */ + negate = ((**pattern == '!') || (**pattern == '^')); + if (negate) + ++*pattern; + + /* ']' is an ordinary character at the start of the range pattern */ + if (**pattern == ']') + goto leadingclosebrace; + + while (**pattern) + { + if (**pattern == ']') { + ++*pattern; + /* XXX: Fix for MBCS character width */ + ++*string; + return (result ^ negate); + } + + if (escape && (**pattern == '\\')) { + ++*pattern; + + /* Patterns must be terminated with ']', not EOS */ + if (!**pattern) + break; + } + + /* Patterns must be terminated with ']' not '/' */ + if (slash && (**pattern == '/')) + break; + + /* Match character classes. */ + switch (classmatch(*pattern, **string, nocase, pattern)) { + case RANGE_MATCH: + result = 0; + continue; + case RANGE_NOMATCH: + /* Valid character class but no match. */ + continue; + default: + /* Not a valid character class. */ + break; + } + if (!**pattern) + break; + +leadingclosebrace: + /* Look at only well-formed range patterns; + * "x-]" is not allowed unless escaped ("x-\]") + * XXX: Fix for locale/MBCS character width + */ + if (((*pattern)[1] == '-') && ((*pattern)[2] != ']')) + { + startch = *pattern; + *pattern += (escape && ((*pattern)[2] == '\\')) ? 3 : 2; + + /* NOT a properly balanced [expr] pattern, EOS terminated + * or ranges containing a slash in FNM_PATHNAME mode pattern + * fall out to to the rewind and test '[' literal code path + */ + if (!**pattern || (slash && (**pattern == '/'))) + break; + + /* XXX: handle locale/MBCS comparison, advance by MBCS char width */ + if ((**string >= *startch) && (**string <= **pattern)) + result = 0; + else if (nocase && (isupper((unsigned char)**string) || + isupper((unsigned char)*startch) || + isupper((unsigned char)**pattern)) + && (tolower((unsigned char)**string) >= tolower((unsigned char)*startch)) + && (tolower((unsigned char)**string) <= tolower((unsigned char)**pattern))) + result = 0; + + ++*pattern; + continue; + } + + /* XXX: handle locale/MBCS comparison, advance by MBCS char width */ + if ((**string == **pattern)) + result = 0; + else if (nocase && (isupper((unsigned char)**string) || + isupper((unsigned char)**pattern)) + && (tolower((unsigned char)**string) == tolower((unsigned char)**pattern))) + result = 0; + + ++*pattern; + } + + /* NOT a properly balanced [expr] pattern; Rewind + * and reset result to test '[' literal + */ + *pattern = mismatch; + result = FNM_NOMATCH; + } + else if (**pattern == '?') { + /* Optimize '?' match before unescaping **pattern */ + if (!**string || (slash && (**string == '/'))) + return FNM_NOMATCH; + result = 0; + goto fnmatch_ch_success; + } + else if (escape && (**pattern == '\\') && (*pattern)[1]) { + ++*pattern; + } + + /* XXX: handle locale/MBCS comparison, advance by the MBCS char width */ + if (**string == **pattern) + result = 0; + else if (nocase && (isupper((unsigned char)**string) || isupper((unsigned char)**pattern)) + && (tolower((unsigned char)**string) == tolower((unsigned char)**pattern))) + result = 0; + + /* Refuse to advance over trailing slash or nulls + */ + if (!**string || !**pattern || (slash && ((**string == '/') || (**pattern == '/')))) + return result; + +fnmatch_ch_success: + ++*pattern; + ++*string; + return result; +} + +int sudo_fnmatch(const char *pattern, const char *string, int flags) +{ + static const char dummystring[2] = {' ', 0}; + const int escape = !(flags & FNM_NOESCAPE); + const int slash = !!(flags & FNM_PATHNAME); + const int leading_dir = !!(flags & FNM_LEADING_DIR); + const char *strendseg; + const char *dummyptr; + const char *matchptr; + int wild; + /* For '*' wild processing only; suppress 'used before initialization' + * warnings with dummy initialization values; + */ + const char *strstartseg = NULL; + const char *mismatch = NULL; + int matchlen = 0; + + if (*pattern == '*') + goto firstsegment; + + while (*pattern && *string) + { + /* Pre-decode "\/" which has no special significance, and + * match balanced slashes, starting a new segment pattern + */ + if (slash && escape && (*pattern == '\\') && (pattern[1] == '/')) + ++pattern; + if (slash && (*pattern == '/') && (*string == '/')) { + ++pattern; + ++string; + } + +firstsegment: + /* At the beginning of each segment, validate leading period behavior. + */ + if ((flags & FNM_PERIOD) && (*string == '.')) + { + if (*pattern == '.') + ++pattern; + else if (escape && (*pattern == '\\') && (pattern[1] == '.')) + pattern += 2; + else + return FNM_NOMATCH; + ++string; + } + + /* Determine the end of string segment + * + * Presumes '/' character is unique, not composite in any MBCS encoding + */ + if (slash) { + strendseg = strchr(string, '/'); + if (!strendseg) + strendseg = strchr(string, '\0'); + } + else { + strendseg = strchr(string, '\0'); + } + + /* Allow pattern '*' to be consumed even with no remaining string to match + */ + while (*pattern) + { + if ((string > strendseg) + || ((string == strendseg) && (*pattern != '*'))) + break; + + if (slash && ((*pattern == '/') + || (escape && (*pattern == '\\') + && (pattern[1] == '/')))) + break; + + /* Reduce groups of '*' and '?' to n '?' matches + * followed by one '*' test for simplicity + */ + for (wild = 0; ((*pattern == '*') || (*pattern == '?')); ++pattern) + { + if (*pattern == '*') { + wild = 1; + } + else if (string < strendseg) { /* && (*pattern == '?') */ + /* XXX: Advance 1 char for MBCS locale */ + ++string; + } + else { /* (string >= strendseg) && (*pattern == '?') */ + return FNM_NOMATCH; + } + } + + if (wild) + { + strstartseg = string; + mismatch = pattern; + + /* Count fixed (non '*') char matches remaining in pattern + * excluding '/' (or "\/") and '*' + */ + for (matchptr = pattern, matchlen = 0; 1; ++matchlen) + { + if ((*matchptr == '\0') + || (slash && ((*matchptr == '/') + || (escape && (*matchptr == '\\') + && (matchptr[1] == '/'))))) + { + /* Compare precisely this many trailing string chars, + * the resulting match needs no wildcard loop + */ + /* XXX: Adjust for MBCS */ + if (string + matchlen > strendseg) + return FNM_NOMATCH; + + string = strendseg - matchlen; + wild = 0; + break; + } + + if (*matchptr == '*') + { + /* Ensure at least this many trailing string chars remain + * for the first comparison + */ + /* XXX: Adjust for MBCS */ + if (string + matchlen > strendseg) + return FNM_NOMATCH; + + /* Begin first wild comparison at the current position */ + break; + } + + /* Skip forward in pattern by a single character match + * Use a dummy fnmatch_ch() test to count one "[range]" escape + */ + /* XXX: Adjust for MBCS */ + if (escape && (*matchptr == '\\') && matchptr[1]) { + matchptr += 2; + } + else if (*matchptr == '[') { + dummyptr = dummystring; + fnmatch_ch(&matchptr, &dummyptr, flags); + } + else { + ++matchptr; + } + } + } + + /* Incrementally match string against the pattern + */ + while (*pattern && (string < strendseg)) + { + /* Success; begin a new wild pattern search + */ + if (*pattern == '*') + break; + + if (slash && ((*string == '/') + || (*pattern == '/') + || (escape && (*pattern == '\\') + && (pattern[1] == '/')))) + break; + + /* Compare ch's (the pattern is advanced over "\/" to the '/', + * but slashes will mismatch, and are not consumed) + */ + if (!fnmatch_ch(&pattern, &string, flags)) + continue; + + /* Failed to match, loop against next char offset of string segment + * until not enough string chars remain to match the fixed pattern + */ + if (wild) { + /* XXX: Advance 1 char for MBCS locale */ + string = ++strstartseg; + if (string + matchlen > strendseg) + return FNM_NOMATCH; + + pattern = mismatch; + continue; + } + else + return FNM_NOMATCH; + } + } + + if (*string && !((slash || leading_dir) && (*string == '/'))) + return FNM_NOMATCH; + + if (*pattern && !(slash && ((*pattern == '/') + || (escape && (*pattern == '\\') + && (pattern[1] == '/'))))) + return FNM_NOMATCH; + + if (leading_dir && !*pattern && *string == '/') + return 0; + } + + /* Where both pattern and string are at EOS, declare success + */ + if (!*string && !*pattern) + return 0; + + /* pattern didn't match to the end of string */ + return FNM_NOMATCH; +} +#endif /* HAVE_FNMATCH */ diff --git a/lib/util/freezero.c b/lib/util/freezero.c new file mode 100644 index 0000000..dae48b5 --- /dev/null +++ b/lib/util/freezero.c @@ -0,0 +1,38 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> + +#ifndef HAVE_FREEZERO +void +sudo_freezero(void *p, size_t n) +{ + explicit_bzero(p, n); + free(p); +} +#endif /* HAVE_FREEZERO */ diff --git a/lib/util/fstatat.c b/lib/util/fstatat.c new file mode 100644 index 0000000..983085d --- /dev/null +++ b/lib/util/fstatat.c @@ -0,0 +1,70 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> + +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_FSTATAT +int +sudo_fstatat(int dfd, const char *path, struct stat *sb, int flag) +{ + int odfd, ret = -1; + + if (dfd == (int)AT_FDCWD) { + if (ISSET(flag, AT_SYMLINK_NOFOLLOW)) + return lstat(path, sb); + else + return stat(path, sb); + } + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + goto done; + + if (fchdir(dfd) == -1) + goto done; + + if (ISSET(flag, AT_SYMLINK_NOFOLLOW)) + ret = lstat(path, sb); + else + ret = stat(path, sb); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + ret = -1; + } + +done: + if (odfd != -1) + close(odfd); + + return ret; +} +#endif /* HAVE_FSTATAT */ diff --git a/lib/util/getaddrinfo.c b/lib/util/getaddrinfo.c new file mode 100644 index 0000000..4d8256e --- /dev/null +++ b/lib/util/getaddrinfo.c @@ -0,0 +1,406 @@ +/* + * Replacement for a missing getaddrinfo. + * + * This is an implementation of getaddrinfo for systems that don't have one so + * that networking code can use a consistent interface without #ifdef. It is + * a fairly minimal implementation, with the following limitations: + * + * - IPv4 support only. IPv6 is not supported. + * - AI_ADDRCONFIG is ignored. + * - Not thread-safe due to gethostbyname and getservbyname. + * - SOCK_DGRAM and SOCK_STREAM only. + * - Multiple possible socket types only generate one addrinfo struct. + * - Protocol hints aren't used correctly. + * + * The last four issues could probably be easily remedied, but haven't been + * needed to date. Adding IPv6 support isn't worth it; systems with IPv6 + * support should already have getaddrinfo. + * + * The canonical version of this file is maintained in the rra-c-util package, + * which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>. + * + * Written by Russ Allbery <rra@stanford.edu> + * + * The authors hereby relinquish any claim to any copyright that they may have + * in this work, whether granted under contract or by operation of law or + * international treaty, and hereby commit to the public, at large, that they + * shall not, at any time in the future, seek to enforce any copyright in this + * work against any person or entity, or prevent any person or entity from + * copying, publishing, distributing or creating derivative works of this + * work. + */ + +#include <config.h> + +#ifndef HAVE_GETADDRINFO + +#include <sys/types.h> +#include <sys/socket.h> + +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <netdb.h> +#include <errno.h> + +#include <arpa/inet.h> +#include <netinet/in.h> +#ifdef NEED_RESOLV_H +# include <arpa/nameser.h> +# include <resolv.h> +#endif /* NEED_RESOLV_H */ + +#include <sudo_compat.h> +#include <compat/getaddrinfo.h> + +/* We need access to h_errno to map errors from gethostbyname. */ +#ifndef HAVE_DECL_H_ERRNO +extern int h_errno; +#endif + +/* + * The netdb constants, which aren't always defined (particularly if h_errno + * isn't declared). We also make sure that a few of the less-used ones are + * defined so that we can deal with them in case statements. + */ +#ifndef HOST_NOT_FOUND +# define HOST_NOT_FOUND 1 +# define TRY_AGAIN 2 +# define NO_RECOVERY 3 +# define NO_DATA 4 +#endif +#ifndef NETDB_INTERNAL +# define NETDB_INTERNAL -1 +#endif + +/* + * If we're running the test suite, rename the functions to avoid conflicts + * with the system version. Note that we don't rename the structures and + * constants, but that should be okay (except possibly for gai_strerror). + */ +#ifdef TESTING +# define gai_strerror test_gai_strerror +# define freeaddrinfo test_freeaddrinfo +# define getaddrinfo test_getaddrinfo +const char *test_gai_strerror(int); +void test_freeaddrinfo(struct addrinfo *); +int test_getaddrinfo(const char *, const char *, const struct addrinfo *, + struct addrinfo **); +#endif + +/* + * If the platform doesn't support AI_NUMERICSERV or AI_NUMERICHOST, + * pick some other values for them. + */ +#ifdef TESTING +# if AI_NUMERICSERV == 0 +# undef AI_NUMERICSERV +# define AI_NUMERICSERV 0x0080 +# endif +# if AI_NUMERICHOST == 0 +# undef AI_NUMERICHOST +# define AI_NUMERICHOST 0x0100 +# endif +#endif + +/* + * Value representing all of the hint flags set. Linux uses flags up to + * 0x0400, so be sure not to break when testing on that platform. + */ +#ifdef TESTING +# ifdef HAVE_GETADDRINFO +# define AI_INTERNAL_ALL 0x04ff +# else +# define AI_INTERNAL_ALL 0x01ff +# endif +#else +# define AI_INTERNAL_ALL 0x007f +#endif + +/* Table of strings corresponding to the EAI_* error codes. */ +static const char * const gai_errors[] = { + "Host name lookup failure", /* 1 EAI_AGAIN */ + "Invalid flag value", /* 2 EAI_BADFLAGS */ + "Unknown server error", /* 3 EAI_FAIL */ + "Unsupported address family", /* 4 EAI_FAMILY */ + "Memory allocation failure", /* 5 EAI_MEMORY */ + "Host unknown or not given", /* 6 EAI_NONAME */ + "Service not supported for socket", /* 7 EAI_SERVICE */ + "Unsupported socket type", /* 8 EAI_SOCKTYPE */ + "System error", /* 9 EAI_SYSTEM */ + "Supplied buffer too small", /* 10 EAI_OVERFLOW */ +}; + +/* Macro to set the len attribute of sockaddr_in. */ +#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN +# define sin_set_length(s) ((s)->sin_len = sizeof(struct sockaddr_in)) +#else +# define sin_set_length(s) /* empty */ +#endif + +/* + * Return a constant string for a given EAI_* error code or a string + * indicating an unknown error. + */ +const char * +sudo_gai_strerror(int ecode) +{ + if (ecode < 1 || (size_t) ecode > nitems(gai_errors)) + return "Unknown error"; + else + return gai_errors[ecode - 1]; +} + + +/* + * Free a linked list of addrinfo structs. + */ +void +sudo_freeaddrinfo(struct addrinfo *ai) +{ + struct addrinfo *next; + + while (ai != NULL) { + next = ai->ai_next; + if (ai->ai_addr != NULL) + free(ai->ai_addr); + if (ai->ai_canonname != NULL) + free(ai->ai_canonname); + free(ai); + ai = next; + } +} + + +/* + * Allocate a new addrinfo struct, setting some defaults given that this + * implementation is IPv4 only. Also allocates an attached sockaddr_in and + * zeroes it, per the requirement for getaddrinfo. Takes the socktype, + * canonical name (which is copied if not NULL), address, and port. Returns + * NULL on a memory allocation failure. + */ +static struct addrinfo * +gai_addrinfo_new(int socktype, const char *canonical, struct in_addr addr, + unsigned short port) +{ + struct addrinfo *ai; + + ai = malloc(sizeof(*ai)); + if (ai == NULL) + return NULL; + ai->ai_addr = malloc(sizeof(struct sockaddr_in)); + if (ai->ai_addr == NULL) { + free(ai); + return NULL; + } + ai->ai_next = NULL; + if (canonical == NULL) + ai->ai_canonname = NULL; + else { + ai->ai_canonname = strdup(canonical); + if (ai->ai_canonname == NULL) { + freeaddrinfo(ai); + return NULL; + } + } + memset(ai->ai_addr, 0, sizeof(struct sockaddr_in)); + ai->ai_flags = 0; + ai->ai_family = AF_INET; + ai->ai_socktype = socktype; + ai->ai_protocol = (socktype == SOCK_DGRAM) ? IPPROTO_UDP : IPPROTO_TCP; + ai->ai_addrlen = sizeof(struct sockaddr_in); + ((struct sockaddr_in *) ai->ai_addr)->sin_family = AF_INET; + ((struct sockaddr_in *) ai->ai_addr)->sin_addr = addr; + ((struct sockaddr_in *) ai->ai_addr)->sin_port = htons(port); + sin_set_length((struct sockaddr_in *) ai->ai_addr); + return ai; +} + + +/* + * Look up a service. Takes the service name (which may be numeric), the hint + * flags, a pointer to the socket type (used to determine whether TCP or UDP + * services are of interest and, if 0, is filled in with the result of + * getservbyname if the service was not numeric), and a pointer to the + * addrinfo struct to fill in. Returns 0 on success or an EAI_* error on + * failure. + */ +static int +gai_service(const char *servname, int flags, int *type, unsigned short *port) +{ + struct servent *servent; + const char *protocol; + const char *errstr; + unsigned short value; + + value = sudo_strtonum(servname, 0, USHRT_MAX, &errstr); + if (errstr == NULL) { + *port = value; + } else if (errno == ERANGE) { + return EAI_SERVICE; + } else { + if (flags & AI_NUMERICSERV) + return EAI_NONAME; + if (*type != 0) + protocol = (*type == SOCK_DGRAM) ? "udp" : "tcp"; + else + protocol = NULL; + + /* + * We really technically should be generating an addrinfo struct for + * each possible protocol unless type is set, but this works well + * enough for what I need this for. + */ + servent = getservbyname(servname, protocol); + if (servent == NULL) + return EAI_NONAME; + if (strcmp(servent->s_proto, "udp") == 0) + *type = SOCK_DGRAM; + else if (strcmp(servent->s_proto, "tcp") == 0) + *type = SOCK_STREAM; + else + return EAI_SERVICE; + *port = htons(servent->s_port); + } + return 0; +} + + +/* + * Look up a host and fill in a linked list of addrinfo structs with the + * results, one per IP address of the returned host. Takes the name or IP + * address of the host as a string, the lookup flags, the type of socket (to + * fill into the addrinfo structs), the port (likewise), and a pointer to + * where the head of the linked list should be put. Returns 0 on success or + * the appropriate EAI_* error. + */ +static int +gai_lookup(const char *nodename, int flags, int socktype, unsigned short port, + struct addrinfo **res) +{ + struct addrinfo *ai, *first, *prev; + struct in_addr addr; + struct hostent *host; + const char *canonical; + size_t i; + + if (inet_pton(AF_INET, nodename, &addr)) { + canonical = (flags & AI_CANONNAME) ? nodename : NULL; + ai = gai_addrinfo_new(socktype, canonical, addr, port); + if (ai == NULL) + return EAI_MEMORY; + *res = ai; + return 0; + } else { + if (flags & AI_NUMERICHOST) + return EAI_NONAME; + host = gethostbyname(nodename); + if (host == NULL) + switch (h_errno) { + case HOST_NOT_FOUND: + return EAI_NONAME; + case TRY_AGAIN: + case NO_DATA: + return EAI_AGAIN; + case NO_RECOVERY: + return EAI_FAIL; + case NETDB_INTERNAL: + default: + return EAI_SYSTEM; + } + if (host->h_addr_list[0] == NULL) + return EAI_FAIL; + canonical = (flags & AI_CANONNAME) + ? ((host->h_name != NULL) ? host->h_name : nodename) + : NULL; + first = NULL; + prev = NULL; + for (i = 0; host->h_addr_list[i] != NULL; i++) { + if (host->h_length != sizeof(addr)) { + freeaddrinfo(first); + return EAI_FAIL; + } + memcpy(&addr, host->h_addr_list[i], sizeof(addr)); + ai = gai_addrinfo_new(socktype, canonical, addr, port); + if (ai == NULL) { + freeaddrinfo(first); + return EAI_MEMORY; + } + if (first == NULL) { + first = ai; + prev = ai; + } else { + prev->ai_next = ai; + prev = ai; + } + } + *res = first; + return 0; + } +} + + +/* + * The actual getaddrinfo implementation. + */ +int +sudo_getaddrinfo(const char *nodename, const char *servname, + const struct addrinfo *hints, struct addrinfo **res) +{ + struct addrinfo *ai; + struct in_addr addr; + int flags, socktype, status; + unsigned short port; + + /* Take the hints into account and check them for validity. */ + if (hints != NULL) { + flags = hints->ai_flags; + socktype = hints->ai_socktype; + if ((flags & AI_INTERNAL_ALL) != flags) + return EAI_BADFLAGS; + if (hints->ai_family != AF_UNSPEC && hints->ai_family != AF_INET) + return EAI_FAMILY; + if (socktype != 0 && socktype != SOCK_STREAM && socktype != SOCK_DGRAM) + return EAI_SOCKTYPE; + + /* EAI_SOCKTYPE isn't quite right, but there isn't anything better. */ + if (hints->ai_protocol != 0) { + int protocol = hints->ai_protocol; + if (protocol != IPPROTO_TCP && protocol != IPPROTO_UDP) + return EAI_SOCKTYPE; + } + } else { + flags = 0; + socktype = 0; + } + + /* + * See what we're doing. If nodename is null, either AI_PASSIVE is set or + * we're getting information for connecting to a service on the loopback + * address. Otherwise, we're getting information for connecting to a + * remote system. + */ + if (servname == NULL) + port = 0; + else { + status = gai_service(servname, flags, &socktype, &port); + if (status != 0) + return status; + } + if (nodename != NULL) + return gai_lookup(nodename, flags, socktype, port, res); + else { + if (servname == NULL) + return EAI_NONAME; + if ((flags & AI_PASSIVE) == AI_PASSIVE) + addr.s_addr = INADDR_ANY; + else + addr.s_addr = htonl(0x7f000001UL); + ai = gai_addrinfo_new(socktype, NULL, addr, port); + if (ai == NULL) + return EAI_MEMORY; + *res = ai; + return 0; + } +} +#endif /* HAVE_GETADDRINFO */ diff --git a/lib/util/getdelim.c b/lib/util/getdelim.c new file mode 100644 index 0000000..1c95705 --- /dev/null +++ b/lib/util/getdelim.c @@ -0,0 +1,83 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_GETDELIM + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> + +#include <sudo_compat.h> + +ssize_t +sudo_getdelim(char ** restrict buf, size_t * restrict bufsize, int delim, + FILE * restrict fp) +{ + char *cp, *ep; + int ch; + + if (*buf == NULL || *bufsize == 0) { + char *tmp = realloc(*buf, LINE_MAX); + if (tmp == NULL) + return -1; + *buf = tmp; + *bufsize = LINE_MAX; + } + cp = *buf; + ep = cp + *bufsize; + + do { + if (cp + 1 >= ep) { + char *newbuf = reallocarray(*buf, *bufsize, 2); + if (newbuf == NULL) + goto bad; + *bufsize *= 2; + cp = newbuf + (cp - *buf); + ep = newbuf + *bufsize; + *buf = newbuf; + } + if ((ch = getc(fp)) == EOF) { + if (feof(fp)) + break; + goto bad; + } + *cp++ = ch; + } while (ch != delim); + + /* getdelim(3) should never return a length of 0. */ + if (cp != *buf) { + *cp = '\0'; + return (ssize_t)(cp - *buf); + } +bad: + /* Error, push back what was read if possible. */ + while (cp > *buf) { + if (ungetc(*cp--, fp) == EOF) + break; + } + return -1; +} +#endif /* HAVE_GETDELIM */ diff --git a/lib/util/getentropy.c b/lib/util/getentropy.c new file mode 100644 index 0000000..5daf0f7 --- /dev/null +++ b/lib/util/getentropy.c @@ -0,0 +1,649 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014 Theo de Raadt <deraadt@openbsd.org> + * Copyright (c) 2014 Bob Beck <beck@obtuse.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Emulation of getentropy(2) as documented at: + * http://man.openbsd.org/getentropy.2 + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_GETENTROPY + +#include <sys/param.h> +#include <sys/mman.h> +#include <sys/resource.h> +#include <sys/socket.h> +#include <sys/stat.h> +#ifdef HAVE_SYS_SYSCTL_H +# include <sys/sysctl.h> +#endif +#ifdef HAVE_SYS_STATVFS_H +# include <sys/statvfs.h> +#endif +#include <sys/stat.h> +#include <sys/time.h> +#ifdef HAVE_SYS_SYSCALL_H +# include <sys/syscall.h> +#endif +#ifdef HAVE_LINUX_RANDOM_H +# include <linux/types.h> +# include <linux/random.h> +#endif +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <termios.h> +#include <time.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#ifdef HAVE_GETAUXVAL +# include <sys/auxv.h> +#endif +#ifdef HAVE_DL_ITERATE_PHDR +# include <link.h> +#endif +#ifdef HAVE_OPENSSL +# if defined(HAVE_WOLFSSL) +# include <wolfssl/options.h> +# endif +# include <openssl/rand.h> +#endif + +#include <sudo_compat.h> +#include <sudo_digest.h> +#include <sudo_rand.h> + +#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) +# define MAP_ANON MAP_ANONYMOUS +#endif + +#ifndef MAP_FAILED +# define MAP_FAILED ((void *) -1) +#endif + +#define REPEAT 5 +#define min(a, b) (((a) < (b)) ? (a) : (b)) + +#define HX(a, b) \ + do { \ + if ((a)) \ + HD(errno); \ + else \ + HD(b); \ + } while (0) + +#define HR(x, l) (sudo_digest_update(ctx, (char *)(x), (l))) +#define HD(x) (sudo_digest_update(ctx, (char *)&(x), sizeof (x))) +#define HF(x) (sudo_digest_update(ctx, (char *)&(x), sizeof (void*))) + +int sudo_getentropy(void *buf, size_t len); + +static int getentropy_getrandom(void *buf, size_t len); +static int getentropy_sysctl(void *buf, size_t len); +static int getentropy_urandom(void *buf, size_t len, const char *path, + int devfscheck); +static int getentropy_fallback(void *buf, size_t len); +static int gotdata(char *buf, size_t len); +#ifdef HAVE_DL_ITERATE_PHDR +static int getentropy_phdr(struct dl_phdr_info *info, size_t size, void *data); +#endif + +static void * +mmap_anon(void *addr, size_t len, int prot, int flags, off_t offset) +{ +#ifdef MAP_ANON + return mmap(addr, len, prot, flags | MAP_ANON, -1, offset); +#else + int fd; + + if ((fd = open("/dev/zero", O_RDWR)) == -1) + return MAP_FAILED; + addr = mmap(addr, len, prot, flags, fd, offset); + close(fd); + return addr; +#endif +} + +int +sudo_getentropy(void *buf, size_t len) +{ + int ret = -1; + + if (len > 256) { + errno = EIO; + return (-1); + } + + ret = getentropy_getrandom(buf, len); + if (ret != -1) + return (ret); + +#ifdef HAVE_OPENSSL + if (RAND_bytes(buf, (int)len) == 1) + return (0); +#endif + + ret = getentropy_sysctl(buf, len); + if (ret != -1) + return (ret); + + /* + * Try to get entropy with /dev/urandom + */ + ret = getentropy_urandom(buf, len, "/dev/urandom", 0); + if (ret != -1) + return (ret); + + /* + * Entropy collection via /dev/urandom has failed. + * + * No other API exists for collecting entropy, and we have no + * failsafe way to get it that is not sensitive to resource exhaustion. + * + * We have very few options: + * - Even syslog_r is unsafe to call at this low level, so + * there is no way to alert the user or program. + * - Cannot call abort() because some systems have unsafe + * corefiles. + * - Could raise(SIGKILL) resulting in silent program termination. + * - Return EIO, to hint that arc4random's stir function + * should raise(SIGKILL) + * - Do the best under the circumstances.... + * + * This code path exists to bring light to the issue that the OS + * does not provide a failsafe API for entropy collection. + * + * We hope this demonstrates that the OS should consider + * providing a new failsafe API which works in a chroot or + * when file descriptors are exhausted. + */ +#undef FAIL_INSTEAD_OF_TRYING_FALLBACK +#ifdef FAIL_INSTEAD_OF_TRYING_FALLBACK + raise(SIGKILL); +#endif + ret = getentropy_fallback(buf, len); + if (ret != -1) + return (ret); + + errno = EIO; + return (ret); +} + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +/* + * Basic validity checking; wish we could do better. + */ +static int +gotdata(char *buf, size_t len) +{ + char any_set = 0; + size_t i; + + for (i = 0; i < len; ++i) + any_set |= buf[i]; + if (any_set == 0) + return (-1); + return (0); +} + +static int +getentropy_urandom(void *buf, size_t len, const char *path, int devfscheck) +{ + struct stat st; + size_t i; + int fd, flags; + int save_errno = errno; + +start: + + /* We do not use O_NOFOLLOW since /dev/urandom is a link on Solaris. */ + flags = O_RDONLY; +#ifdef O_CLOEXEC + flags |= O_CLOEXEC; +#endif + fd = open(path, flags, 0); + if (fd == -1) { + if (errno == EINTR) + goto start; + goto nodevrandom; + } +#ifndef O_CLOEXEC + fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); +#endif + + /* Lightly verify that the device node looks OK */ + if (fstat(fd, &st) == -1 || !S_ISCHR(st.st_mode)) { + close(fd); + goto nodevrandom; + } + for (i = 0; i < len; ) { + size_t wanted = len - i; + size_t ret = (size_t)read(fd, (char *)buf + i, wanted); + + if (ret == (size_t)-1) { + if (errno == EAGAIN || errno == EINTR) + continue; + close(fd); + goto nodevrandom; + } + i += ret; + } + close(fd); + if (gotdata(buf, len) == 0) { + errno = save_errno; + return (0); /* satisfied */ + } +nodevrandom: + errno = EIO; + return (-1); +} + +#if defined(HAVE_SYSCTL) && defined(KERN_ARND) +static int +getentropy_sysctl(void *buf, size_t len) +{ + int save_errno = errno; + int mib[2]; + size_t i; + + mib[0] = CTL_KERN; + mib[1] = KERN_ARND; + + for (i = 0; i < len; ) { + size_t chunk = len - i; + + if (sysctl(mib, 2, (char *)buf + i, &chunk, NULL, 0) == -1) + goto sysctlfailed; + i += chunk; + } + if (gotdata(buf, len) == 0) { + errno = save_errno; + return (0); /* satisfied */ + } +sysctlfailed: + errno = EIO; + return (-1); +} +#elif defined(SYS__sysctl) && defined(RANDOM_UUID) +static int +getentropy_sysctl(void *buf, size_t len) +{ + static int mib[3]; + size_t i; + int save_errno = errno; + + mib[0] = CTL_KERN; + mib[1] = KERN_RANDOM; + mib[2] = RANDOM_UUID; + + for (i = 0; i < len; ) { + size_t chunk = min(len - i, 16); + + /* SYS__sysctl because some systems already removed sysctl() */ + struct __sysctl_args args = { + .name = mib, + .nlen = 3, + .oldval = (char *)buf + i, + .oldlenp = &chunk, + }; + if (syscall(SYS__sysctl, &args) != 0) + goto sysctlfailed; + i += chunk; + } + if (gotdata(buf, len) == 0) { + errno = save_errno; + return (0); /* satisfied */ + } +sysctlfailed: + errno = EIO; + return (-1); +} +#else +static int +getentropy_sysctl(void *buf, size_t len) +{ + errno = ENOTSUP; + return (-1); +} +#endif + +#if defined(SYS_getrandom) && defined(GRND_NONBLOCK) +static int +getentropy_getrandom(void *buf, size_t len) +{ + int pre_errno = errno; + long ret; + + /* + * Try descriptor-less getrandom(), in non-blocking mode. + * + * The design of Linux getrandom is broken. It has an + * uninitialized phase coupled with blocking behaviour, which + * is unacceptable from within a library at boot time without + * possible recovery. See http://bugs.python.org/issue26839#msg267745 + */ + do { + ret = syscall(SYS_getrandom, buf, len, GRND_NONBLOCK); + } while (ret == -1 && errno == EINTR); + + if (ret < 0 || (size_t)ret != len) + return (-1); + errno = pre_errno; + return (0); +} +#else +static int +getentropy_getrandom(void *buf, size_t len) +{ + errno = ENOTSUP; + return (-1); +} +#endif + +#ifdef HAVE_CLOCK_GETTIME +static const int cl[] = { + CLOCK_REALTIME, +#ifdef CLOCK_MONOTONIC + CLOCK_MONOTONIC, +#endif +#ifdef CLOCK_MONOTONIC_RAW + CLOCK_MONOTONIC_RAW, +#endif +#ifdef CLOCK_TAI + CLOCK_TAI, +#endif +#ifdef CLOCK_VIRTUAL + CLOCK_VIRTUAL, +#endif +#ifdef CLOCK_UPTIME + CLOCK_UPTIME, +#endif +#ifdef CLOCK_PROCESS_CPUTIME_ID + CLOCK_PROCESS_CPUTIME_ID, +#endif +#ifdef CLOCK_THREAD_CPUTIME_ID + CLOCK_THREAD_CPUTIME_ID, +#endif +}; +#endif /* HAVE_CLOCK_GETTIME */ + +#ifdef HAVE_DL_ITERATE_PHDR +static int +getentropy_phdr(struct dl_phdr_info *info, size_t size, void *data) +{ + struct sudo_digest *ctx = data; + + sudo_digest_update(ctx, &info->dlpi_addr, sizeof (info->dlpi_addr)); + return (0); +} +#endif + +static int +getentropy_fallback(void *buf, size_t len) +{ + unsigned char *results = NULL; + int save_errno = errno, e, faster = 0; + int ret = -1; + static size_t cnt; + unsigned int repeat; + size_t pgs; + struct timespec ts; + struct timeval tv; + struct rusage ru; + sigset_t set; + struct stat st; + struct sudo_digest *ctx; + static pid_t lastpid; + pid_t pid; + size_t i, ii, m, digest_len; + char *p; + + if (len == 0) + return 0; + pgs = (size_t)sysconf(_SC_PAGESIZE); + if (pgs == (size_t)-1) + return -1; + if ((ctx = sudo_digest_alloc(SUDO_DIGEST_SHA512)) == NULL) + return -1; + digest_len = sudo_digest_getlen(SUDO_DIGEST_SHA512); + if (digest_len == 0 || (results = malloc(digest_len)) == NULL) + goto done; + + pid = getpid(); + if (lastpid == pid) { + faster = 1; + repeat = 2; + } else { + faster = 0; + lastpid = pid; + repeat = REPEAT; + } + i = 0; + do { + unsigned int j; + for (j = 0; j < repeat; j++) { + HX((e = gettimeofday(&tv, NULL)) == -1, tv); + if (e != -1) { + cnt += (size_t)tv.tv_sec; + cnt += (size_t)tv.tv_usec; + } +#ifdef HAVE_DL_ITERATE_PHDR + dl_iterate_phdr(getentropy_phdr, ctx); +#endif + +#ifdef HAVE_CLOCK_GETTIME + for (ii = 0; ii < sizeof(cl)/sizeof(cl[0]); ii++) + HX(clock_gettime(cl[ii], &ts) == -1, ts); +#endif /* HAVE_CLOCK_GETTIME */ + + HX((pid = getpid()) == -1, pid); + HX((pid = getsid(pid)) == -1, pid); + HX((pid = getppid()) == -1, pid); + HX((pid = getpgid(0)) == -1, pid); + HX((e = getpriority(0, 0)) == -1, e); + + if (!faster) { + ts.tv_sec = 0; + ts.tv_nsec = 1; + (void) nanosleep(&ts, NULL); + } + + HX(sigpending(&set) == -1, set); + HX(sigprocmask(SIG_BLOCK, NULL, &set) == -1, set); + + HF(sudo_getentropy); /* an addr in this library */ + HF(printf); /* an addr in libc */ + p = (char *)&p; + HD(p); /* an addr on stack */ + p = (char *)&errno; + HD(p); /* the addr of errno */ + + if (i == 0) { +#ifdef HAVE_SYS_STATVFS_H + struct statvfs stvfs; +#endif + struct termios tios; + off_t off; + + /* + * Prime-sized mappings encourage fragmentation; + * thus exposing some address entropy. + */ + struct mm { + size_t npg; + void *p; + } mm[] = { + { 17, MAP_FAILED }, { 3, MAP_FAILED }, + { 11, MAP_FAILED }, { 2, MAP_FAILED }, + { 5, MAP_FAILED }, { 3, MAP_FAILED }, + { 7, MAP_FAILED }, { 1, MAP_FAILED }, + { 57, MAP_FAILED }, { 3, MAP_FAILED }, + { 131, MAP_FAILED }, { 1, MAP_FAILED }, + }; + + for (m = 0; m < sizeof mm/sizeof(mm[0]); m++) { + HX(mm[m].p = mmap_anon(NULL, + mm[m].npg * pgs, + PROT_READ|PROT_WRITE, + MAP_PRIVATE, + (off_t)0), mm[m].p); + if (mm[m].p != MAP_FAILED) { + size_t mo; + + /* Touch some memory... */ + p = mm[m].p; + mo = cnt % + (mm[m].npg * pgs - 1); + p[mo] = 1; + cnt += (size_t)mm[m].p / pgs; + } + +#ifdef HAVE_CLOCK_GETTIME + /* Check cnts and times... */ + for (ii = 0; ii < sizeof(cl)/sizeof(cl[0]); + ii++) { + HX((e = clock_gettime(cl[ii], + &ts)) == -1, ts); + if (e != -1) + cnt += (size_t)ts.tv_nsec; + } +#endif /* HAVE_CLOCK_GETTIME */ + + HX((e = getrusage(RUSAGE_SELF, + &ru)) == -1, ru); + if (e != -1) { + cnt += (size_t)ru.ru_utime.tv_sec; + cnt += (size_t)ru.ru_utime.tv_usec; + } + } + + for (m = 0; m < sizeof mm/sizeof(mm[0]); m++) { + if (mm[m].p != MAP_FAILED) + munmap(mm[m].p, mm[m].npg * pgs); + mm[m].p = MAP_FAILED; + } + + HX(stat(".", &st) == -1, st); + HX(stat("/", &st) == -1, st); + +#ifdef HAVE_SYS_STATVFS_H + HX(statvfs(".", &stvfs) == -1, stvfs); + HX(statvfs("/", &stvfs) == -1, stvfs); +#endif + HX((e = fstat(0, &st)) == -1, st); + if (e == -1) { + if (S_ISREG(st.st_mode) || + S_ISFIFO(st.st_mode) || + S_ISSOCK(st.st_mode)) { +#ifdef HAVE_SYS_STATVFS_H + HX(fstatvfs(0, &stvfs) == -1, + stvfs); +#endif + HX((off = lseek(0, (off_t)0, + SEEK_CUR)) < 0, off); + } + if (S_ISCHR(st.st_mode)) { + HX(tcgetattr(0, &tios) == -1, + tios); +#if 0 + } else if (S_ISSOCK(st.st_mode)) { + struct sockaddr_storage ss; + socklen_t ssl; + memset(&ss, 0, sizeof ss); + ssl = sizeof(ss); + HX(getpeername(0, + (void *)&ss, &ssl) == -1, + ss); +#endif + } + } + + HX((e = getrusage(RUSAGE_CHILDREN, + &ru)) == -1, ru); + if (e != -1) { + cnt += (size_t)ru.ru_utime.tv_sec; + cnt += (size_t)ru.ru_utime.tv_usec; + } + } else { + /* Subsequent hashes absorb previous result */ + HR(results, digest_len); + } + + HX((e = gettimeofday(&tv, NULL)) == -1, tv); + if (e != -1) { + cnt += (size_t)tv.tv_sec; + cnt += (size_t)tv.tv_usec; + } + + HD(cnt); + } + +#ifdef HAVE_GETAUXVAL +#ifdef AT_RANDOM + /* Not as random as you think but we take what we are given */ + p = (char *) getauxval(AT_RANDOM); + if (p) + HR(p, 16); +#endif +#ifdef AT_SYSINFO_EHDR + p = (char *) getauxval(AT_SYSINFO_EHDR); + if (p) + HR(p, pgs); +#endif +#ifdef AT_BASE + p = (char *) getauxval(AT_BASE); + if (p) + HD(p); +#endif +#endif /* HAVE_GETAUXVAL */ + + sudo_digest_final(ctx, results); + sudo_digest_reset(ctx); + memcpy((char *)buf + i, results, min(digest_len, len - i)); + i += min(digest_len, len - i); + } while (i < len); + if (gotdata(buf, len) == 0) { + errno = save_errno; + ret = 0; /* satisfied */ + } else { + errno = EIO; + } +done: + sudo_digest_free(ctx); + if (results != NULL) + freezero(results, digest_len); + return (ret); +} + +#endif /* HAVE_GETENTROPY */ diff --git a/lib/util/getgrouplist.c b/lib/util/getgrouplist.c new file mode 100644 index 0000000..48d1fbe --- /dev/null +++ b/lib/util/getgrouplist.c @@ -0,0 +1,530 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010, 2011, 2013-2021 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> +#include <grp.h> +#include <limits.h> +#include <unistd.h> +#ifdef HAVE_NSS_SEARCH +# include <errno.h> +# include <limits.h> +# include <nsswitch.h> +# ifdef HAVE_NSS_DBDEFS_H +# include <nss_dbdefs.h> +# else +# include <compat/nss_dbdefs.h> +# endif +#endif + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +#ifndef HAVE_GETGROUPLIST +int +sudo_getgrouplist(const char *name, GETGROUPS_T basegid, GETGROUPS_T *groups, + int *ngroupsp) +{ + return sudo_getgrouplist2(name, basegid, &groups, ngroupsp); +} +#endif /* HAVE_GETGROUPLIST */ + +#if defined(HAVE_GETGROUPLIST) + +#if defined(HAVE_GETGROUPLIST_2) && !HAVE_DECL_GETGROUPLIST_2 +int getgrouplist_2(const char *name, GETGROUPS_T basegid, GETGROUPS_T **groups); +#endif /* HAVE_GETGROUPLIST_2 && !HAVE_DECL_GETGROUPLIST_2 */ + +/* + * Extended getgrouplist(3) using getgrouplist(3) and getgrouplist_2(3) + */ +int +sudo_getgrouplist2_v1(const char *name, GETGROUPS_T basegid, + GETGROUPS_T **groupsp, int *ngroupsp) +{ +#ifdef __APPLE__ + int *groups = (int *)*groupsp; +#else + GETGROUPS_T *groups = *groupsp; +#endif + int ngroups; +#ifndef HAVE_GETGROUPLIST_2 + long grpsize; + int tries; +#endif + debug_decl(sudo_getgrouplist2, SUDO_DEBUG_UTIL); + + /* For static group vector, just use getgrouplist(3). */ + if (groups != NULL) + debug_return_int(getgrouplist(name, basegid, groups, ngroupsp)); + +#ifdef HAVE_GETGROUPLIST_2 + if ((ngroups = getgrouplist_2(name, basegid, groupsp)) == -1) + debug_return_int(-1); + *ngroupsp = ngroups; + debug_return_int(0); +#else + grpsize = sysconf(_SC_NGROUPS_MAX); + if (grpsize < 0 || grpsize > INT_MAX) + grpsize = NGROUPS_MAX; + grpsize++; /* include space for the primary gid */ + /* + * It is possible to belong to more groups in the group database + * than NGROUPS_MAX. + */ + for (tries = 0; tries < 10; tries++) { + free(groups); + groups = reallocarray(NULL, (size_t)grpsize, sizeof(*groups)); + if (groups == NULL) + debug_return_int(-1); + ngroups = (int)grpsize; + if (getgrouplist(name, basegid, groups, &ngroups) != -1) { + *groupsp = groups; + *ngroupsp = ngroups; + debug_return_int(0); + } + if (ngroups == grpsize) { + /* Failed for some reason other than ngroups too small. */ + break; + } + /* getgrouplist(3) set ngroups to the required length, use it. */ + grpsize = ngroups; + } + free(groups); + debug_return_int(-1); +#endif /* HAVE_GETGROUPLIST_2 */ +} + +#elif defined(HAVE_GETGRSET) + +/* + * Extended getgrouplist(3) using AIX getgrset(3) + */ +int +sudo_getgrouplist2_v1(const char *name, GETGROUPS_T basegid, + GETGROUPS_T **groupsp, int *ngroupsp) +{ + GETGROUPS_T *groups = *groupsp; + char *cp, *last, *grset = NULL; + const char *errstr; + int ngroups = 1; + int grpsize = *ngroupsp; + int ret = -1; + gid_t gid; + debug_decl(sudo_getgrouplist2, SUDO_DEBUG_UTIL); + +#ifdef HAVE_SETAUTHDB + aix_setauthdb((char *) name, NULL); +#endif + if ((grset = getgrset(name)) == NULL) + goto done; + + if (groups == NULL) { + /* Dynamically-sized group vector, count groups and alloc. */ + grpsize = 1; /* reserve one for basegid */ + if (*grset != '\0') { + grpsize++; /* at least one supplementary group */ + for (cp = grset; *cp != '\0'; cp++) { + if (*cp == ',') + grpsize++; + } + } + groups = reallocarray(NULL, grpsize, sizeof(*groups)); + if (groups == NULL) + debug_return_int(-1); + } else { + /* Static group vector. */ + if (grpsize < 1) + debug_return_int(-1); + } + + /* We support BSD semantics where the first element is the base gid */ + groups[0] = basegid; + + for (cp = strtok_r(grset, ",", &last); cp != NULL; cp = strtok_r(NULL, ",", &last)) { + gid = sudo_strtoid(cp, &errstr); + if (errstr == NULL && gid != basegid) { + if (ngroups == grpsize) + goto done; + groups[ngroups++] = gid; + } + } + ret = 0; + +done: + free(grset); +#ifdef HAVE_SETAUTHDB + aix_restoreauthdb(); +#endif + *groupsp = groups; + *ngroupsp = ngroups; + + debug_return_int(ret); +} + +#elif defined(HAVE_NSS_SEARCH) + +#ifndef ALIGNBYTES +# define ALIGNBYTES (sizeof(long) - 1L) +#endif +#ifndef ALIGN +# define ALIGN(p) (((unsigned long)(p) + ALIGNBYTES) & ~ALIGNBYTES) +#endif + +#if defined(HAVE__NSS_INITF_GROUP) || defined(HAVE___NSS_INITF_GROUP) +extern void _nss_initf_group(nss_db_params_t *params); +#else +static void +_nss_initf_group(nss_db_params_t *params) +{ + params->name = NSS_DBNAM_GROUP; + params->default_config = NSS_DEFCONF_GROUP; +} +#endif + +/* + * Convert a groups file string (instr) to a struct group (ent) using + * buf for storage. + */ +static int +str2grp(const char *instr, int inlen, void *ent, char *buf, int buflen) +{ + struct group *grp = ent; + char *cp, *fieldsep = buf; + char **gr_mem, **gr_end; + const char *errstr; + int yp = 0; + id_t id; + debug_decl(str2grp, SUDO_DEBUG_UTIL); + + /* Must at least have space to copy instr -> buf. */ + if (inlen >= buflen) + debug_return_int(NSS_STR_PARSE_ERANGE); + + /* Paranoia: buf and instr should be distinct. */ + if (buf != instr) { + memmove(buf, instr, inlen); + buf[inlen] = '\0'; + } + + if ((fieldsep = strchr(cp = fieldsep, ':')) == NULL) + debug_return_int(NSS_STR_PARSE_PARSE); + *fieldsep++ = '\0'; + grp->gr_name = cp; + + /* Check for YP inclusion/exclusion entries. */ + if (*cp == '+' || *cp == '-') { + /* Only the name is required for YP inclusion/exclusion entries. */ + grp->gr_passwd = (char *)""; + grp->gr_gid = 0; + grp->gr_mem = NULL; + yp = 1; + } + + if ((fieldsep = strchr(cp = fieldsep, ':')) == NULL) + debug_return_int(yp ? NSS_STR_PARSE_SUCCESS : NSS_STR_PARSE_PARSE); + *fieldsep++ = '\0'; + grp->gr_passwd = cp; + + if ((fieldsep = strchr(cp = fieldsep, ':')) == NULL) + debug_return_int(yp ? NSS_STR_PARSE_SUCCESS : NSS_STR_PARSE_PARSE); + *fieldsep++ = '\0'; + id = sudo_strtoid(cp, &errstr); + if (errstr != NULL) { + /* + * A range error is always a fatal error, but ignore garbage + * at the end of YP entries since it has no meaning. + */ + if (errno == ERANGE) + debug_return_int(NSS_STR_PARSE_ERANGE); + debug_return_int(yp ? NSS_STR_PARSE_SUCCESS : NSS_STR_PARSE_PARSE); + } +#ifdef GID_NOBODY + /* Negative gids get mapped to nobody on Solaris. */ + if (*cp == '-' && id != 0) + grp->gr_gid = GID_NOBODY; + else +#endif + grp->gr_gid = (gid_t)id; + + /* Store group members, taking care to use proper alignment. */ + grp->gr_mem = NULL; + if (*fieldsep != '\0') { + grp->gr_mem = gr_mem = (char **)ALIGN(buf + inlen + 1); + gr_end = (char **)((unsigned long)(buf + buflen) & ~ALIGNBYTES) - 1; + for (;;) { + if (gr_mem >= gr_end) + debug_return_int(NSS_STR_PARSE_ERANGE); /* out of space! */ + *gr_mem++ = cp; + if (fieldsep == NULL) + break; + if ((fieldsep = strchr(cp = fieldsep, ',')) != NULL) + *fieldsep++ = '\0'; + } + *gr_mem = NULL; + } + debug_return_int(NSS_STR_PARSE_SUCCESS); +} + +static nss_status_t +process_cstr(const char *instr, int inlen, struct nss_groupsbymem *gbm, + int dynamic) +{ + const char *user = gbm->username; + nss_status_t ret = NSS_NOTFOUND; + nss_XbyY_buf_t *buf; + struct group *grp; + char **gr_mem; + int error, i; + debug_decl(process_cstr, SUDO_DEBUG_UTIL); + + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: parsing %.*s", __func__, + inlen, instr); + + /* Hack to let us check whether the query was handled by nscd or us. */ + if (gbm->force_slow_way != 0) + gbm->force_slow_way = 2; + + buf = _nss_XbyY_buf_alloc(sizeof(struct group), NSS_BUFLEN_GROUP); + if (buf == NULL) + debug_return_int(NSS_UNAVAIL); + + /* Parse groups file string -> struct group. */ + grp = buf->result; + error = (*gbm->str2ent)(instr, inlen, grp, buf->buffer, buf->buflen); + if (error != NSS_STR_PARSE_SUCCESS || grp->gr_mem == NULL) + goto done; + + for (gr_mem = grp->gr_mem; *gr_mem != NULL; gr_mem++) { + if (strcmp(*gr_mem, user) == 0) { + const int numgids = MIN(gbm->numgids, gbm->maxgids); + + /* Append to gid_array unless gr_gid is a dupe. */ + for (i = 0; i < numgids; i++) { + if (gbm->gid_array[i] == grp->gr_gid) + goto done; /* already present */ + } + if (i == gbm->maxgids && dynamic) { + GETGROUPS_T *tmp = reallocarray(gbm->gid_array, gbm->maxgids, + 2 * sizeof(GETGROUPS_T)); + if (tmp == NULL) { + /* Out of memory, just return what we have. */ + dynamic = 0; + } else { + gbm->gid_array = tmp; + gbm->maxgids <<= 1; + } + } + /* Store gid if there is space. */ + if (i < gbm->maxgids) + gbm->gid_array[i] = grp->gr_gid; + /* Always increment numgids so we can detect when out of space. */ + gbm->numgids++; + goto done; + } + } +done: + _nss_XbyY_buf_free(buf); + debug_return_int(ret); +} + +static nss_status_t +process_cstr_static(const char *instr, int inlen, struct nss_groupsbymem *gbm) +{ + return process_cstr(instr, inlen, gbm, 0); +} + +static nss_status_t +process_cstr_dynamic(const char *instr, int inlen, struct nss_groupsbymem *gbm) +{ + return process_cstr(instr, inlen, gbm, 1); +} + +/* + * Extended getgrouplist(3) using nss_search(3) + */ +int +sudo_getgrouplist2_v1(const char *name, GETGROUPS_T basegid, + GETGROUPS_T **groupsp, int *ngroupsp) +{ + struct nss_groupsbymem gbm; + static DEFINE_NSS_DB_ROOT(db_root); + debug_decl(sudo_getgrouplist2, SUDO_DEBUG_UTIL); + + memset(&gbm, 0, sizeof(gbm)); + gbm.username = name; + gbm.gid_array = *groupsp; + gbm.maxgids = *ngroupsp; + gbm.numgids = 1; /* for basegid */ + gbm.force_slow_way = 1; + gbm.str2ent = str2grp; + + if (gbm.gid_array == NULL) { + /* Dynamically-sized group vector. */ + gbm.maxgids = (int)sysconf(_SC_NGROUPS_MAX); + if (gbm.maxgids < 0) + gbm.maxgids = NGROUPS_MAX; + gbm.gid_array = reallocarray(NULL, gbm.maxgids, 4 * sizeof(GETGROUPS_T)); + if (gbm.gid_array == NULL) + debug_return_int(-1); + gbm.maxgids <<= 2; + gbm.process_cstr = process_cstr_dynamic; + } else { + /* Static group vector. */ + if (gbm.maxgids <= 0) + debug_return_int(-1); + gbm.process_cstr = process_cstr_static; + } + + /* We support BSD semantics where the first element is the base gid */ + gbm.gid_array[0] = basegid; + + /* + * Can't use nss_search return value since it may return NSS_UNAVAIL + * when no nsswitch.conf entry (e.g. compat mode). + */ + for (;;) { + GETGROUPS_T *tmp; + + (void)nss_search(&db_root, _nss_initf_group, NSS_DBOP_GROUP_BYMEMBER, + &gbm); + + /* + * If this was a statically-sized group vector or nscd was not used + * we are done. + */ + if (gbm.process_cstr != process_cstr_dynamic || gbm.force_slow_way == 2) + break; + + /* + * If gid_array is full and the query was handled by nscd, there + * may be more data, so double gid_array and try again. + */ + if (gbm.numgids != gbm.maxgids) + break; + + tmp = reallocarray(gbm.gid_array, gbm.maxgids, 2 * sizeof(GETGROUPS_T)); + if (tmp == NULL) { + free(gbm.gid_array); + debug_return_int(-1); + } + gbm.gid_array = tmp; + gbm.maxgids <<= 1; + } + + /* Note: we can only detect a too-small group list if nscd is not used. */ + *groupsp = gbm.gid_array; + if (gbm.numgids <= gbm.maxgids) { + *ngroupsp = gbm.numgids; + debug_return_int(0); + } + *ngroupsp = gbm.maxgids; + debug_return_int(-1); +} + +#else /* !HAVE_GETGROUPLIST && !HAVE_GETGRSET && !HAVE__GETGROUPSBYMEMBER */ + +/* + * Extended getgrouplist(3) using getgrent(3) + */ +int +sudo_getgrouplist2_v1(const char *name, GETGROUPS_T basegid, + GETGROUPS_T **groupsp, int *ngroupsp) +{ + GETGROUPS_T *groups = *groupsp; + int grpsize = *ngroupsp; + int i, ngroups = 1; + int ret = -1; + struct group *grp; + debug_decl(sudo_getgrouplist2, SUDO_DEBUG_UTIL); + + if (groups == NULL) { + /* Dynamically-sized group vector. */ + grpsize = (int)sysconf(_SC_NGROUPS_MAX); + if (grpsize < 0) + grpsize = NGROUPS_MAX; + groups = reallocarray(NULL, grpsize, 4 * sizeof(*groups)); + if (groups == NULL) + debug_return_int(-1); + grpsize <<= 2; + } else { + /* Static group vector. */ + if (grpsize < 1) + debug_return_int(-1); + } + + /* We support BSD semantics where the first element is the base gid */ + groups[0] = basegid; + + setgrent(); + while ((grp = getgrent()) != NULL) { + if (grp->gr_gid == basegid || grp->gr_mem == NULL) + continue; + + for (i = 0; grp->gr_mem[i] != NULL; i++) { + if (strcmp(name, grp->gr_mem[i]) == 0) + break; + } + if (grp->gr_mem[i] == NULL) + continue; /* user not found */ + + /* Only add if it is not the same as an existing gid */ + for (i = 0; i < ngroups; i++) { + if (grp->gr_gid == groups[i]) + break; + } + if (i == ngroups) { + if (ngroups == grpsize) { + GETGROUPS_T *tmp; + + if (*groupsp != NULL) { + /* Static group vector. */ + goto done; + } + tmp = reallocarray(groups, grpsize, 2 * sizeof(*groups)); + if (tmp == NULL) { + free(groups); + groups = NULL; + ngroups = 0; + goto done; + } + groups = tmp; + grpsize <<= 1; + } + groups[ngroups++] = grp->gr_gid; + } + } + ret = 0; + +done: + endgrent(); + *groupsp = groups; + *ngroupsp = ngroups; + + debug_return_int(ret); +} +#endif /* !HAVE_GETGROUPLIST && !HAVE_GETGRSET && !HAVE__GETGROUPSBYMEMBER */ diff --git a/lib/util/gethostname.c b/lib/util/gethostname.c new file mode 100644 index 0000000..34f714b --- /dev/null +++ b/lib/util/gethostname.c @@ -0,0 +1,59 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* + * Return a malloc()ed copy of the system hostname, or NULL if + * malloc() or gethostname() fails. + */ +char * +sudo_gethostname_v1(void) +{ + char *hname; + size_t host_name_max; + +#ifdef _SC_HOST_NAME_MAX + host_name_max = (size_t)sysconf(_SC_HOST_NAME_MAX); + if (host_name_max == (size_t)-1) +#endif + host_name_max = 255; /* POSIX and historic BSD */ + + hname = malloc(host_name_max + 1); + if (hname != NULL) { + if (gethostname(hname, host_name_max + 1) == 0 && *hname != '\0') { + /* Old gethostname() may not NUL-terminate if there is no room. */ + hname[host_name_max] = '\0'; + } else { + free(hname); + hname = NULL; + } + } + return hname; +} diff --git a/lib/util/getopt_long.c b/lib/util/getopt_long.c new file mode 100644 index 0000000..04f6d47 --- /dev/null +++ b/lib/util/getopt_long.c @@ -0,0 +1,624 @@ +/* $OpenBSD: getopt_long.c,v 1.26 2013/06/08 22:47:56 millert Exp $ */ +/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */ +/* $FreeBSD: head/lib/libc/stdlib/getopt_long.c 236936 2012-06-11 22:25:20Z delphij $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2002 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ +/*- + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Dieter Baron and Thomas Klausner. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <compat/getopt.h> + +#define GNU_COMPATIBLE /* Be more compatible with GNU getopt. */ + +#ifdef REPLACE_GETOPT +int opterr = 1; /* if error message should be printed */ +int optind = 1; /* index into parent argv vector */ +int optopt = '?'; /* character checked for validity */ +char *optarg; /* argument associated with option */ +#else +extern int opterr; /* if error message should be printed */ +extern int optind; /* index into parent argv vector */ +extern int optopt; /* character checked for validity */ +extern char *optarg; /* argument associated with option */ +#endif +#if !defined(REPLACE_GETOPT) && !defined(HAVE_OPTRESET) +int optreset; /* reset getopt */ +#endif + +#define PRINT_ERROR ((opterr) && (*options != ':')) + +#define FLAG_PERMUTE 0x01 /* permute non-options to the end of argv */ +#define FLAG_ALLARGS 0x02 /* treat non-options as args to option "-1" */ +#define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */ + +/* return values */ +#define BADCH (int)'?' +#define BADARG ((*options == ':') ? (int)':' : (int)'?') +#define INORDER (int)1 + +#define EMSG (char *)"" + +#ifdef GNU_COMPATIBLE +#define NO_PREFIX (-1) +#define D_PREFIX 0 +#define DD_PREFIX 1 +#define W_PREFIX 2 +#endif + +static int getopt_internal(int, char * const *, const char *, + const struct option *, int *, int); +static int parse_long_options(char * const *, const char *, + const struct option *, int *, int, int); +static int gcd(int, int); +static void permute_args(int, int, int, char * const *); + +static char *place = EMSG; /* option letter processing */ + +/* XXX: set optreset to 1 rather than these two */ +static int nonopt_start = -1; /* first non option argument (for permute) */ +static int nonopt_end = -1; /* first option after non options (for permute) */ + +/* Error messages */ +static const char recargchar[] = "option requires an argument -- %c"; +static const char illoptchar[] = "illegal option -- %c"; /* From P1003.2 */ +#ifdef GNU_COMPATIBLE +static int dash_prefix = NO_PREFIX; +static const char gnuoptchar[] = "invalid option -- %c"; + +static const char recargstring[] = "option `%s%s' requires an argument"; +static const char ambig[] = "option `%s%.*s' is ambiguous"; +static const char noarg[] = "option `%s%.*s' doesn't allow an argument"; +static const char illoptstring[] = "unrecognized option `%s%s'"; +#else +static const char recargstring[] = "option requires an argument -- %s"; +static const char ambig[] = "ambiguous option -- %.*s"; +static const char noarg[] = "option doesn't take an argument -- %.*s"; +static const char illoptstring[] = "unknown option -- %s"; +#endif + +/* + * Compute the greatest common divisor of a and b. + */ +static int +gcd(int a, int b) +{ + int c; + + c = a % b; + while (c != 0) { + a = b; + b = c; + c = a % b; + } + + return (b); +} + +/* + * Exchange the block from nonopt_start to nonopt_end with the block + * from nonopt_end to opt_end (keeping the same order of arguments + * in each block). + */ +static void +permute_args(int panonopt_start, int panonopt_end, int opt_end, + char * const *nargv) +{ + int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; + char *swap; + + /* + * compute lengths of blocks and number and size of cycles + */ + nnonopts = panonopt_end - panonopt_start; + nopts = opt_end - panonopt_end; + ncycle = gcd(nnonopts, nopts); + cyclelen = (opt_end - panonopt_start) / ncycle; + + for (i = 0; i < ncycle; i++) { + cstart = panonopt_end+i; + pos = cstart; + for (j = 0; j < cyclelen; j++) { + if (pos >= panonopt_end) + pos -= nnonopts; + else + pos += nopts; + swap = nargv[pos]; + /* LINTED const cast */ + ((char **) nargv)[pos] = nargv[cstart]; + /* LINTED const cast */ + ((char **)nargv)[cstart] = swap; + } + } +} + +/* + * parse_long_options -- + * Parse long options in argc/argv argument vector. + * Returns -1 if short_too is set and the option does not match long_options. + */ +static int +parse_long_options(char * const *nargv, const char *options, + const struct option *long_options, int *idx, int short_too, int flags) +{ + char *current_argv, *has_equal; +#ifdef GNU_COMPATIBLE + const char *current_dash; +#endif + size_t current_argv_len; + int i, match, exact_match, second_partial_match; + + current_argv = place; +#ifdef GNU_COMPATIBLE + switch (dash_prefix) { + case D_PREFIX: + current_dash = "-"; + break; + case DD_PREFIX: + current_dash = "--"; + break; + case W_PREFIX: + current_dash = "-W "; + break; + default: + current_dash = ""; + break; + } +#endif + match = -1; + exact_match = 0; + second_partial_match = 0; + + optind++; + + if ((has_equal = strchr(current_argv, '=')) != NULL) { + /* argument found (--option=arg) */ + current_argv_len = has_equal - current_argv; + has_equal++; + } else + current_argv_len = strlen(current_argv); + + for (i = 0; long_options[i].name; i++) { + /* find matching long option */ + if (strncmp(current_argv, long_options[i].name, + current_argv_len)) + continue; + + if (strlen(long_options[i].name) == current_argv_len) { + /* exact match */ + match = i; + exact_match = 1; + break; + } + /* + * If this is a known short option, don't allow + * a partial match of a single character. + */ + if (short_too && current_argv_len == 1) + continue; + + if (match == -1) /* first partial match */ + match = i; + else if ((flags & FLAG_LONGONLY) || + long_options[i].has_arg != + long_options[match].has_arg || + long_options[i].flag != long_options[match].flag || + long_options[i].val != long_options[match].val) + second_partial_match = 1; + } + if (!exact_match && second_partial_match) { + /* ambiguous abbreviation */ + if (PRINT_ERROR) + sudo_warnx(ambig, +#ifdef GNU_COMPATIBLE + current_dash, +#endif + (int)current_argv_len, + current_argv); + optopt = 0; + return (BADCH); + } + if (match != -1) { /* option found */ + if (long_options[match].has_arg == no_argument + && has_equal) { + if (PRINT_ERROR) + sudo_warnx(noarg, +#ifdef GNU_COMPATIBLE + current_dash, +#endif + (int)current_argv_len, + current_argv); + /* + * XXX: GNU sets optopt to val regardless of flag + */ + if (long_options[match].flag == NULL) + optopt = long_options[match].val; + else + optopt = 0; +#ifdef GNU_COMPATIBLE + return (BADCH); +#else + return (BADARG); +#endif + } + if (long_options[match].has_arg == required_argument || + long_options[match].has_arg == optional_argument) { + if (has_equal) + optarg = has_equal; + else if (long_options[match].has_arg == + required_argument) { + /* + * optional argument doesn't use next nargv + */ + optarg = nargv[optind++]; + } + } + if ((long_options[match].has_arg == required_argument) + && (optarg == NULL)) { + /* + * Missing argument; leading ':' indicates no error + * should be generated. + */ + if (PRINT_ERROR) + sudo_warnx(recargstring, +#ifdef GNU_COMPATIBLE + current_dash, +#endif + current_argv); + /* + * XXX: GNU sets optopt to val regardless of flag + */ + if (long_options[match].flag == NULL) + optopt = long_options[match].val; + else + optopt = 0; + --optind; + return (BADARG); + } + } else { /* unknown option */ + if (short_too) { + --optind; + return (-1); + } + if (PRINT_ERROR) + sudo_warnx(illoptstring, +#ifdef GNU_COMPATIBLE + current_dash, +#endif + current_argv); + optopt = 0; + return (BADCH); + } + if (idx) + *idx = match; + if (long_options[match].flag) { + *long_options[match].flag = long_options[match].val; + return (0); + } else + return (long_options[match].val); +} + +/* + * getopt_internal -- + * Parse argc/argv argument vector. Called by user level routines. + */ +static int +getopt_internal(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx, int flags) +{ + char *oli; /* option letter list index */ + int optchar, short_too; + int posixly_correct; /* no static, can be changed on the fly */ + + if (options == NULL) + return (-1); + + /* + * Disable GNU extensions if POSIXLY_CORRECT is set or options + * string begins with a '+'. + */ + posixly_correct = (getenv("POSIXLY_CORRECT") != NULL); +#ifdef GNU_COMPATIBLE + if (*options == '-') + flags |= FLAG_ALLARGS; + else if (posixly_correct || *options == '+') + flags &= ~FLAG_PERMUTE; +#else + if (posixly_correct || *options == '+') + flags &= ~FLAG_PERMUTE; + else if (*options == '-') + flags |= FLAG_ALLARGS; +#endif + if (*options == '+' || *options == '-') + options++; + + /* + * XXX Some GNU programs (like cvs) set optind to 0 instead of + * XXX using optreset. Work around this braindamage. + */ + if (optind == 0) + optind = optreset = 1; + + optarg = NULL; + if (optreset) + nonopt_start = nonopt_end = -1; +start: + if (optreset || !*place) { /* update scanning pointer */ + optreset = 0; + if (optind >= nargc) { /* end of argument vector */ + place = EMSG; + if (nonopt_end != -1) { + /* do permutation, if we have to */ + permute_args(nonopt_start, nonopt_end, + optind, nargv); + optind -= nonopt_end - nonopt_start; + } + else if (nonopt_start != -1) { + /* + * If we skipped non-options, set optind + * to the first of them. + */ + optind = nonopt_start; + } + nonopt_start = nonopt_end = -1; + return (-1); + } + if (*(place = nargv[optind]) != '-' || +#ifdef GNU_COMPATIBLE + place[1] == '\0') { +#else + (place[1] == '\0' && strchr(options, '-') == NULL)) { +#endif + place = EMSG; /* found non-option */ + if (flags & FLAG_ALLARGS) { + /* + * GNU extension: + * return non-option as argument to option 1 + */ + optarg = nargv[optind++]; + return (INORDER); + } + if (!(flags & FLAG_PERMUTE)) { + /* + * If no permutation wanted, stop parsing + * at first non-option. + */ + return (-1); + } + /* do permutation */ + if (nonopt_start == -1) + nonopt_start = optind; + else if (nonopt_end != -1) { + permute_args(nonopt_start, nonopt_end, + optind, nargv); + nonopt_start = optind - + (nonopt_end - nonopt_start); + nonopt_end = -1; + } + optind++; + /* process next argument */ + goto start; + } + if (nonopt_start != -1 && nonopt_end == -1) + nonopt_end = optind; + + /* + * If we have "-" do nothing, if "--" we are done. + */ + if (place[1] != '\0' && *++place == '-' && place[1] == '\0') { + optind++; + place = EMSG; + /* + * We found an option (--), so if we skipped + * non-options, we have to permute. + */ + if (nonopt_end != -1) { + permute_args(nonopt_start, nonopt_end, + optind, nargv); + optind -= nonopt_end - nonopt_start; + } + nonopt_start = nonopt_end = -1; + return (-1); + } + } + + /* + * Check long options if: + * 1) we were passed some + * 2) the arg is not just "-" + * 3) either the arg starts with -- we are getopt_long_only() + */ + if (long_options != NULL && place != nargv[optind] && + (*place == '-' || (flags & FLAG_LONGONLY))) { + short_too = 0; +#ifdef GNU_COMPATIBLE + dash_prefix = D_PREFIX; +#endif + if (*place == '-') { + place++; /* --foo long option */ +#ifdef GNU_COMPATIBLE + dash_prefix = DD_PREFIX; +#endif + } else if (*place != ':' && strchr(options, *place) != NULL) + short_too = 1; /* could be short option too */ + + optchar = parse_long_options(nargv, options, long_options, + idx, short_too, flags); + if (optchar != -1) { + place = EMSG; + return (optchar); + } + } + + if ((optchar = (int)*place++) == (int)':' || + (optchar == (int)'-' && *place != '\0') || + (oli = strchr(options, optchar)) == NULL) { + /* + * If the user specified "-" and '-' isn't listed in + * options, return -1 (non-option) as per POSIX. + * Otherwise, it is an unknown option character (or ':'). + */ + if (optchar == (int)'-' && *place == '\0') + return (-1); + if (!*place) + ++optind; +#ifdef GNU_COMPATIBLE + if (PRINT_ERROR) + sudo_warnx(posixly_correct ? illoptchar : gnuoptchar, + optchar); +#else + if (PRINT_ERROR) + sudo_warnx(illoptchar, optchar); +#endif + optopt = optchar; + return (BADCH); + } + if (long_options != NULL && optchar == 'W' && oli[1] == ';') { + /* -W long-option */ + if (*place) /* no space */ + /* NOTHING */; + else if (++optind >= nargc) { /* no arg */ + place = EMSG; + if (PRINT_ERROR) + sudo_warnx(recargchar, optchar); + optopt = optchar; + return (BADARG); + } else /* white space */ + place = nargv[optind]; +#ifdef GNU_COMPATIBLE + dash_prefix = W_PREFIX; +#endif + optchar = parse_long_options(nargv, options, long_options, + idx, 0, flags); + place = EMSG; + return (optchar); + } + if (*++oli != ':') { /* doesn't take argument */ + if (!*place) + ++optind; + } else { /* takes (optional) argument */ + optarg = NULL; + if (*place) /* no white space */ + optarg = place; + else if (oli[1] != ':') { /* arg not optional */ + if (++optind >= nargc) { /* no arg */ + place = EMSG; + if (PRINT_ERROR) + sudo_warnx(recargchar, optchar); + optopt = optchar; + return (BADARG); + } else + optarg = nargv[optind]; + } + place = EMSG; + ++optind; + } + /* dump back option letter */ + return (optchar); +} + +#ifdef REPLACE_GETOPT +/* + * getopt -- + * Parse argc/argv argument vector. + */ +int +sudo_getopt(int nargc, char * const *nargv, const char *options) +{ + + /* + * We don't pass FLAG_PERMUTE to getopt_internal() since + * the BSD getopt(3) (unlike GNU) has never done this. + * + * Furthermore, since many privileged programs call getopt() + * before dropping privileges it makes sense to keep things + * as simple (and bug-free) as possible. + */ + return (getopt_internal(nargc, nargv, options, NULL, NULL, 0)); +} +#endif /* REPLACE_GETOPT */ + +/* + * getopt_long -- + * Parse argc/argv argument vector. + */ +int +sudo_getopt_long(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx) +{ + + return (getopt_internal(nargc, nargv, options, long_options, idx, + FLAG_PERMUTE)); +} + +/* + * getopt_long_only -- + * Parse argc/argv argument vector. + */ +int +sudo_getopt_long_only(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx) +{ + + return (getopt_internal(nargc, nargv, options, long_options, idx, + FLAG_PERMUTE|FLAG_LONGONLY)); +} diff --git a/lib/util/gettime.c b/lib/util/gettime.c new file mode 100644 index 0000000..54fbcb3 --- /dev/null +++ b/lib/util/gettime.c @@ -0,0 +1,224 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/time.h> +#include <time.h> + +#if defined(__MACH__) && !defined(HAVE_CLOCK_GETTIME) +# include <mach/mach.h> +# include <mach/mach_time.h> +# include <mach/clock.h> +#endif + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * On Linux and FreeBSD, CLOCK_MONOTONIC does not run while sleeping. + * Linux provides CLOCK_BOOTTIME which runs while sleeping (FreeBSD does not). + * Some systems provide CLOCK_UPTIME which only runs while awake. + */ +#if defined(CLOCK_BOOTTIME) +# define SUDO_CLOCK_BOOTTIME CLOCK_BOOTTIME +#elif defined(CLOCK_MONOTONIC_RAW) +# define SUDO_CLOCK_BOOTTIME CLOCK_MONOTONIC_RAW +#elif defined(CLOCK_MONOTONIC) +# define SUDO_CLOCK_BOOTTIME CLOCK_MONOTONIC +#endif +#if defined(CLOCK_UPTIME_RAW) +# define SUDO_CLOCK_UPTIME CLOCK_UPTIME_RAW +#elif defined(CLOCK_UPTIME) +# define SUDO_CLOCK_UPTIME CLOCK_UPTIME +#elif defined(CLOCK_MONOTONIC) +# define SUDO_CLOCK_UPTIME CLOCK_MONOTONIC +#endif + +/* + * Wall clock time, may run backward. + */ +#if defined(HAVE_CLOCK_GETTIME) +int +sudo_gettime_real_v1(struct timespec *ts) +{ + debug_decl(sudo_gettime_real, SUDO_DEBUG_UTIL); + + if (clock_gettime(CLOCK_REALTIME, ts) == -1) { + struct timeval tv; + + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "clock_gettime(CLOCK_REALTIME) failed, trying gettimeofday()"); + if (gettimeofday(&tv, NULL) == -1) + debug_return_int(-1); + TIMEVAL_TO_TIMESPEC(&tv, ts); + } + debug_return_int(0); +} +#else +int +sudo_gettime_real_v1(struct timespec *ts) +{ + struct timeval tv; + debug_decl(sudo_gettime_real, SUDO_DEBUG_UTIL); + + if (gettimeofday(&tv, NULL) == -1) + debug_return_int(-1); + TIMEVAL_TO_TIMESPEC(&tv, ts); + debug_return_int(0); +} +#endif + +/* + * Monotonic time, only runs forward. + * We use a timer that only increments while sleeping, if possible. + */ +#if defined(HAVE_CLOCK_GETTIME) && defined(SUDO_CLOCK_BOOTTIME) +int +sudo_gettime_mono_v1(struct timespec *ts) +{ + static int has_monoclock = -1; + debug_decl(sudo_gettime_mono, SUDO_DEBUG_UTIL); + + /* Check whether the kernel/libc actually supports a monotonic clock. */ +# ifdef _SC_MONOTONIC_CLOCK + if (has_monoclock == -1) + has_monoclock = sysconf(_SC_MONOTONIC_CLOCK) != -1; +# endif + if (!has_monoclock) + debug_return_int(sudo_gettime_real(ts)); + if (clock_gettime(SUDO_CLOCK_BOOTTIME, ts) == -1) { + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "clock_gettime(%d) failed, using wall clock", + (int)SUDO_CLOCK_BOOTTIME); + has_monoclock = 0; + debug_return_int(sudo_gettime_real(ts)); + } + debug_return_int(0); +} +#elif defined(HAVE_GETHRTIME) +int +sudo_gettime_mono_v1(struct timespec *ts) +{ + hrtime_t nsec; + debug_decl(sudo_gettime_mono, SUDO_DEBUG_UTIL); + + nsec = gethrtime(); + ts->tv_sec = nsec / 1000000000; + ts->tv_nsec = nsec % 1000000000; + debug_return_int(0); +} +#elif defined(__MACH__) +int +sudo_gettime_mono_v1(struct timespec *ts) +{ + uint64_t abstime, nsec; + static mach_timebase_info_data_t timebase_info; + debug_decl(sudo_gettime_mono, SUDO_DEBUG_UTIL); + + if (timebase_info.denom == 0) + (void) mach_timebase_info(&timebase_info); +#ifdef HAVE_MACH_CONTINUOUS_TIME + abstime = mach_continuous_time(); /* runs while asleep */ +#else + abstime = mach_absolute_time(); /* doesn't run while asleep */ +#endif + nsec = abstime * timebase_info.numer / timebase_info.denom; + ts->tv_sec = nsec / 1000000000; + ts->tv_nsec = nsec % 1000000000; + debug_return_int(0); +} +#else +int +sudo_gettime_mono_v1(struct timespec *ts) +{ + /* No monotonic clock available, use wall clock. */ + return sudo_gettime_real(ts); +} +#endif + +/* + * Monotonic time, only runs forward. + * We use a timer that only increments while awake, if possible. + */ +#if defined(HAVE_CLOCK_GETTIME) && defined(SUDO_CLOCK_UPTIME) +int +sudo_gettime_awake_v1(struct timespec *ts) +{ + static int has_monoclock = -1; + debug_decl(sudo_gettime_awake, SUDO_DEBUG_UTIL); + + /* Check whether the kernel/libc actually supports a monotonic clock. */ +# ifdef _SC_MONOTONIC_CLOCK + if (has_monoclock == -1) + has_monoclock = sysconf(_SC_MONOTONIC_CLOCK) != -1; +# endif + if (!has_monoclock) + debug_return_int(sudo_gettime_real(ts)); + if (clock_gettime(SUDO_CLOCK_UPTIME, ts) == -1) { + sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "clock_gettime(%d) failed, using wall clock", + (int)SUDO_CLOCK_UPTIME); + has_monoclock = 0; + debug_return_int(sudo_gettime_real(ts)); + } + debug_return_int(0); +} +#elif defined(HAVE_GETHRTIME) +int +sudo_gettime_awake_v1(struct timespec *ts) +{ + hrtime_t nsec; + debug_decl(sudo_gettime_awake, SUDO_DEBUG_UTIL); + + /* Currently the same as sudo_gettime_mono() */ + nsec = gethrtime(); + ts->tv_sec = nsec / 1000000000; + ts->tv_nsec = nsec % 1000000000; + debug_return_int(0); +} +#elif defined(__MACH__) +int +sudo_gettime_awake_v1(struct timespec *ts) +{ + uint64_t abstime, nsec; + static mach_timebase_info_data_t timebase_info; + debug_decl(sudo_gettime_awake, SUDO_DEBUG_UTIL); + + if (timebase_info.denom == 0) + (void) mach_timebase_info(&timebase_info); + abstime = mach_absolute_time(); + nsec = abstime * timebase_info.numer / timebase_info.denom; + ts->tv_sec = nsec / 1000000000; + ts->tv_nsec = nsec % 1000000000; + debug_return_int(0); +} +#else +int +sudo_gettime_awake_v1(struct timespec *ts) +{ + /* No monotonic uptime clock available, use wall clock. */ + return sudo_gettime_real(ts); +} +#endif diff --git a/lib/util/getusershell.c b/lib/util/getusershell.c new file mode 100644 index 0000000..05bbc44 --- /dev/null +++ b/lib/util/getusershell.c @@ -0,0 +1,145 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +#ifdef TESTSUDOERS +# include <tsgetgrpw.h> +#endif + +static const char *shellfile = "/etc/shell"; +static char **allowed_shells, * const *current_shell; +static const char *default_shells[] = { + "/bin/sh", + "/bin/ksh", + "/bin/ksh93", + "/bin/bash", + "/bin/dash", + "/bin/zsh", + "/bin/csh", + "/bin/tcsh", + NULL +}; + +static char ** +read_shells(void) +{ + size_t maxshells = 16, nshells = 0; + size_t linesize = 0; + char *line = NULL; + FILE *fp; + debug_decl(read_shells, SUDO_DEBUG_UTIL); + + if ((fp = fopen(shellfile, "r")) == NULL) + goto bad; + + free(allowed_shells); + allowed_shells = reallocarray(NULL, maxshells, sizeof(char *)); + if (allowed_shells == NULL) + goto bad; + + while (sudo_parseln(&line, &linesize, NULL, fp, PARSELN_CONT_IGN) != -1) { + if (nshells + 1 >= maxshells) { + char **new_shells; + + new_shells = reallocarray(NULL, maxshells + 16, sizeof(char *)); + if (new_shells == NULL) + goto bad; + allowed_shells = new_shells; + maxshells += 16; + } + if ((allowed_shells[nshells] = strdup(line)) == NULL) + goto bad; + nshells++; + } + allowed_shells[nshells] = NULL; + + free(line); + fclose(fp); + debug_return_ptr(allowed_shells); +bad: + free(line); + if (fp != NULL) + fclose(fp); + while (nshells != 0) + free(allowed_shells[--nshells]); + free(allowed_shells); + allowed_shells = NULL; + debug_return_ptr(default_shells); +} + +void +sudo_setusershell(void) +{ + debug_decl(setusershell, SUDO_DEBUG_UTIL); + + current_shell = read_shells(); + + debug_return; +} + +void +sudo_endusershell(void) +{ + debug_decl(endusershell, SUDO_DEBUG_UTIL); + + if (allowed_shells != NULL) { + char **shell; + + for (shell = allowed_shells; *shell != NULL; shell++) + free(*shell); + free(allowed_shells); + allowed_shells = NULL; + } + current_shell = NULL; + + debug_return; +} + +char * +sudo_getusershell(void) +{ + debug_decl(getusershell, SUDO_DEBUG_UTIL); + + if (current_shell == NULL) + current_shell = read_shells(); + + debug_return_str(*current_shell++); +} + +#ifdef TESTSUDOERS +void +testsudoers_setshellfile(const char *file) +{ + testsudoers_endusershell(); + shellfile = file; +} +#endif /* TESTSUDOERS */ diff --git a/lib/util/gidlist.c b/lib/util/gidlist.c new file mode 100644 index 0000000..efcb7df --- /dev/null +++ b/lib/util/gidlist.c @@ -0,0 +1,87 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <grp.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +/* + * Parse a comma-separated list of gids into an allocated array of GETGROUPS_T. + * If a pointer to the base gid is specified, it is stored as the first element + * in the array. + * Returns the number of gids in the allocated array. + */ +int +sudo_parse_gids_v1(const char *gidstr, const gid_t *basegid, GETGROUPS_T **gidsp) +{ + int ngids = 0; + GETGROUPS_T *gids; + const char *cp = gidstr; + const char *errstr; + char *ep; + debug_decl(sudo_parse_gids, SUDO_DEBUG_UTIL); + + /* Count groups. */ + if (*cp != '\0') { + ngids++; + do { + if (*cp++ == ',') + ngids++; + } while (*cp != '\0'); + } + /* Base gid is optional. */ + if (basegid != NULL) + ngids++; + /* Allocate and fill in array. */ + if (ngids != 0) { + gids = reallocarray(NULL, (size_t)ngids, sizeof(GETGROUPS_T)); + if (gids == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_int(-1); + } + ngids = 0; + if (basegid != NULL) + gids[ngids++] = *basegid; + cp = gidstr; + do { + gids[ngids] = (GETGROUPS_T) sudo_strtoidx(cp, ",", &ep, &errstr); + if (errstr != NULL) { + sudo_warnx(U_("%s: %s"), cp, U_(errstr)); + free(gids); + debug_return_int(-1); + } + if (basegid == NULL || gids[ngids] != *basegid) + ngids++; + cp = ep + 1; + } while (*ep != '\0'); + *gidsp = gids; + } + debug_return_int(ngids); +} diff --git a/lib/util/glob.c b/lib/util/glob.c new file mode 100644 index 0000000..d546837 --- /dev/null +++ b/lib/util/glob.c @@ -0,0 +1,953 @@ +/* + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2008-2014 Todd C. Miller <Todd.Miller@sudo.ws> + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Guido van Rossum. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)glob.c 8.3 (Berkeley) 10/13/93 + */ + +/* + * glob(3) -- a superset of the one defined in POSIX 1003.2. + * + * The [!...] convention to negate a range is supported (SysV, Posix, ksh). + * + * Optional extra services, controlled by flags not defined by POSIX: + * + * GLOB_MAGCHAR: + * Set in gl_flags if pattern contained a globbing character. + * GLOB_TILDE: + * expand ~user/foo to the /home/dir/of/user/foo + * GLOB_BRACE: + * expand {1,2}{a,b} to 1a 1b 2a 2b + * gl_matchc: + * Number of matches in the current invocation of glob. + */ + +#include <config.h> + +#ifndef HAVE_GLOB + +#include <sys/stat.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <ctype.h> +#include <dirent.h> +#include <errno.h> +#include <limits.h> +#include <pwd.h> + +#include <sudo_compat.h> +#include <compat/glob.h> +#include <compat/charclass.h> + +#define DOLLAR '$' +#define DOT '.' +#define EOS '\0' +#define LBRACKET '[' +#define NOT '!' +#define QUESTION '?' +#define QUOTE '\\' +#define RANGE '-' +#define RBRACKET ']' +#define SEP '/' +#define STAR '*' +#define TILDE '~' +#define UNDERSCORE '_' +#define LBRACE '{' +#define RBRACE '}' +#define SLASH '/' +#define COMMA ',' + +#ifndef DEBUG + +#define M_QUOTE 0x8000 +#define M_PROTECT 0x4000 +#define M_MASK 0xffff +#define M_ASCII 0x00ff + +typedef unsigned short Char; + +#else + +#define M_QUOTE 0x80 +#define M_PROTECT 0x40 +#define M_MASK 0xff +#define M_ASCII 0x7f + +typedef char Char; + +#endif + + +#define CHAR(c) ((Char)((c)&M_ASCII)) +#define META(c) ((Char)((c)|M_QUOTE)) +#define M_ALL META('*') +#define M_END META(']') +#define M_NOT META('!') +#define M_ONE META('?') +#define M_RNG META('-') +#define M_SET META('[') +#define M_CLASS META(':') +#define ismeta(c) (((c)&M_QUOTE) != 0) + +#define GLOB_LIMIT_MALLOC 65536 +#define GLOB_LIMIT_STAT 2048 +#define GLOB_LIMIT_READDIR 16384 + +struct glob_lim { + size_t glim_malloc; + size_t glim_stat; + size_t glim_readdir; +}; + +static int compare(const void *, const void *); +static int g_Ctoc(const Char *, char *, size_t); +static int g_lstat(Char *, struct stat *, glob_t *); +static DIR *g_opendir(Char *, glob_t *); +static Char *g_strchr(const Char *, int); +static int g_strncmp(const Char *, const char *, size_t); +static int g_stat(Char *, struct stat *, glob_t *); +static int glob0(const Char *, glob_t *, struct glob_lim *); +static int glob1(Char *, Char *, glob_t *, struct glob_lim *); +static int glob2(Char *, Char *, Char *, Char *, Char *, Char *, + glob_t *, struct glob_lim *); +static int glob3(Char *, Char *, Char *, Char *, Char *, + Char *, Char *, glob_t *, struct glob_lim *); +static int globextend(const Char *, glob_t *, struct glob_lim *, + struct stat *); +static const Char * + globtilde(const Char *, Char *, size_t, glob_t *); +static int globexp1(const Char *, glob_t *, struct glob_lim *); +static int globexp2(const Char *, const Char *, glob_t *, + struct glob_lim *); +static int match(Char *, Char *, Char *); +#ifdef DEBUG +static void qprintf(const char *, Char *); +#endif + +int +sudo_glob(const char *pattern, int flags, int (*errfunc)(const char *, int), + glob_t *pglob) +{ + const unsigned char *patnext; + int c; + Char *bufnext, *bufend, patbuf[PATH_MAX]; + struct glob_lim limit = { 0, 0, 0 }; + + patnext = (unsigned char *) pattern; + if (!(flags & GLOB_APPEND)) { + pglob->gl_pathc = 0; + pglob->gl_pathv = NULL; + if (!(flags & GLOB_DOOFFS)) + pglob->gl_offs = 0; + } + pglob->gl_flags = flags & ~GLOB_MAGCHAR; + pglob->gl_errfunc = errfunc; + pglob->gl_matchc = 0; + + if (pglob->gl_offs >= SSIZE_MAX || pglob->gl_pathc >= SSIZE_MAX || + pglob->gl_pathc >= SSIZE_MAX - pglob->gl_offs - 1) + return GLOB_NOSPACE; + + if (strnlen(pattern, PATH_MAX) == PATH_MAX) + return GLOB_NOMATCH; + + bufnext = patbuf; + bufend = bufnext + PATH_MAX - 1; + if (flags & GLOB_NOESCAPE) + while (bufnext < bufend && (c = *patnext++) != EOS) + *bufnext++ = c; + else { + /* Protect the quoted characters. */ + while (bufnext < bufend && (c = *patnext++) != EOS) + if (c == QUOTE) { + if ((c = *patnext++) == EOS) { + c = QUOTE; + --patnext; + } + *bufnext++ = c | M_PROTECT; + } else + *bufnext++ = c; + } + *bufnext = EOS; + + if (flags & GLOB_BRACE) + return globexp1(patbuf, pglob, &limit); + else + return glob0(patbuf, pglob, &limit); +} + +/* + * Expand recursively a glob {} pattern. When there is no more expansion + * invoke the standard globbing routine to glob the rest of the magic + * characters + */ +static int +globexp1(const Char *pattern, glob_t *pglob, struct glob_lim *limitp) +{ + const Char* ptr = pattern; + + /* Protect a single {}, for find(1), like csh */ + if (pattern[0] == LBRACE && pattern[1] == RBRACE && pattern[2] == EOS) + return glob0(pattern, pglob, limitp); + + if ((ptr = (const Char *) g_strchr(ptr, LBRACE)) != NULL) + return globexp2(ptr, pattern, pglob, limitp); + + return glob0(pattern, pglob, limitp); +} + + +/* + * Recursive brace globbing helper. Tries to expand a single brace. + * If it succeeds then it invokes globexp1 with the new pattern. + * If it fails then it tries to glob the rest of the pattern and returns. + */ +static int +globexp2(const Char *ptr, const Char *pattern, glob_t *pglob, + struct glob_lim *limitp) +{ + int i, rv; + Char *lm, *ls; + const Char *pe, *pm, *pl; + Char patbuf[PATH_MAX]; + + /* copy part up to the brace */ + for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++) + continue; + *lm = EOS; + ls = lm; + + /* Find the balanced brace */ + for (i = 0, pe = ++ptr; *pe; pe++) + if (*pe == LBRACKET) { + /* Ignore everything between [] */ + for (pm = pe++; *pe != RBRACKET && *pe != EOS; pe++) + continue; + if (*pe == EOS) { + /* + * We could not find a matching RBRACKET. + * Ignore and just look for RBRACE + */ + pe = pm; + } + } else if (*pe == LBRACE) + i++; + else if (*pe == RBRACE) { + if (i == 0) + break; + i--; + } + + /* Non matching braces; just glob the pattern */ + if (i != 0 || *pe == EOS) + return glob0(patbuf, pglob, limitp); + + for (i = 0, pl = pm = ptr; pm <= pe; pm++) { + switch (*pm) { + case LBRACKET: + /* Ignore everything between [] */ + for (pl = pm++; *pm != RBRACKET && *pm != EOS; pm++) + continue; + if (*pm == EOS) { + /* + * We could not find a matching RBRACKET. + * Ignore and just look for RBRACE + */ + pm = pl; + } + break; + + case LBRACE: + i++; + break; + + case RBRACE: + if (i) { + i--; + break; + } + FALLTHROUGH; + case COMMA: + if (i && *pm == COMMA) + break; + else { + /* Append the current string */ + for (lm = ls; (pl < pm); *lm++ = *pl++) + continue; + + /* + * Append the rest of the pattern after the + * closing brace + */ + for (pl = pe + 1; (*lm++ = *pl++) != EOS; ) + continue; + + /* Expand the current pattern */ +#ifdef DEBUG + qprintf("globexp2:", patbuf); +#endif + rv = globexp1(patbuf, pglob, limitp); + if (rv && rv != GLOB_NOMATCH) + return rv; + + /* move after the comma, to the next string */ + pl = pm + 1; + } + break; + + default: + break; + } + } + return 0; +} + + + +/* + * expand tilde from the passwd file. + */ +static const Char * +globtilde(const Char *pattern, Char *patbuf, size_t patbuf_len, glob_t *pglob) +{ + struct passwd *pwd; + char *h; + const Char *p; + Char *b, *eb; + + if (*pattern != TILDE || !(pglob->gl_flags & GLOB_TILDE)) + return pattern; + + /* Copy up to the end of the string or / */ + eb = &patbuf[patbuf_len - 1]; + for (p = pattern + 1, h = (char *) patbuf; + h < (char *)eb && *p && *p != SLASH; *h++ = *p++) + continue; + + *h = EOS; + + if (((char *) patbuf)[0] == EOS) { + /* + * handle a plain ~ or ~/ by expanding $HOME + * first and then trying the password file + */ + if ((h = getenv("HOME")) == NULL) { + if ((pwd = getpwuid(getuid())) == NULL) + return pattern; + else + h = pwd->pw_dir; + } + } else { + /* + * Expand a ~user + */ + if ((pwd = getpwnam((char*) patbuf)) == NULL) + return pattern; + else + h = pwd->pw_dir; + } + + /* Copy the home directory */ + for (b = patbuf; b < eb && *h; *b++ = *h++) + continue; + + /* Append the rest of the pattern */ + while (b < eb && (*b++ = *p++) != EOS) + continue; + *b = EOS; + + return patbuf; +} + +static int +g_strncmp(const Char *s1, const char *s2, size_t n) +{ + int rv = 0; + + while (n--) { + rv = *(Char *)s1 - *(const unsigned char *)s2++; + if (rv) + break; + if (*s1++ == '\0') + break; + } + return rv; +} + +static int +g_charclass(const Char **patternp, Char **bufnextp) +{ + const Char *pattern = *patternp + 1; + Char *bufnext = *bufnextp; + const Char *colon; + struct cclass *cc; + size_t len; + + if ((colon = g_strchr(pattern, ':')) == NULL || colon[1] != ']') + return 1; /* not a character class */ + + len = (size_t)(colon - pattern); + for (cc = cclasses; cc->name != NULL; cc++) { + if (!g_strncmp(pattern, cc->name, len) && cc->name[len] == '\0') + break; + } + if (cc->name == NULL) + return -1; /* invalid character class */ + *bufnext++ = M_CLASS; + *bufnext++ = (Char)(cc - &cclasses[0]); + *bufnextp = bufnext; + *patternp += len + 3; + + return 0; +} + +/* + * The main glob() routine: compiles the pattern (optionally processing + * quotes), calls glob1() to do the real pattern matching, and finally + * sorts the list (unless unsorted operation is requested). Returns 0 + * if things went well, nonzero if errors occurred. It is not an error + * to find no matches. + */ +static int +glob0(const Char *pattern, glob_t *pglob, struct glob_lim *limitp) +{ + const Char *qpatnext; + int c, err; + size_t oldpathc; + Char *bufnext, patbuf[PATH_MAX]; + + qpatnext = globtilde(pattern, patbuf, PATH_MAX, pglob); + oldpathc = pglob->gl_pathc; + bufnext = patbuf; + + /* We don't need to check for buffer overflow any more. */ + while ((c = *qpatnext++) != EOS) { + switch (c) { + case LBRACKET: + c = *qpatnext; + if (c == NOT) + ++qpatnext; + if (*qpatnext == EOS || + g_strchr(qpatnext+1, RBRACKET) == NULL) { + *bufnext++ = LBRACKET; + if (c == NOT) + --qpatnext; + break; + } + *bufnext++ = M_SET; + if (c == NOT) + *bufnext++ = M_NOT; + c = *qpatnext++; + do { + if (c == LBRACKET && *qpatnext == ':') { + do { + err = g_charclass(&qpatnext, + &bufnext); + if (err) + break; + c = *qpatnext++; + } while (c == LBRACKET && *qpatnext == ':'); + if (err == -1 && + !(pglob->gl_flags & GLOB_NOCHECK)) + return GLOB_NOMATCH; + if (c == RBRACKET) + break; + } + *bufnext++ = CHAR(c); + if (*qpatnext == RANGE && + (c = qpatnext[1]) != RBRACKET) { + *bufnext++ = M_RNG; + *bufnext++ = CHAR(c); + qpatnext += 2; + } + } while ((c = *qpatnext++) != RBRACKET); + pglob->gl_flags |= GLOB_MAGCHAR; + *bufnext++ = M_END; + break; + case QUESTION: + pglob->gl_flags |= GLOB_MAGCHAR; + *bufnext++ = M_ONE; + break; + case STAR: + pglob->gl_flags |= GLOB_MAGCHAR; + /* collapse adjacent stars to one, + * to avoid exponential behavior + */ + if (bufnext == patbuf || bufnext[-1] != M_ALL) + *bufnext++ = M_ALL; + break; + default: + *bufnext++ = CHAR(c); + break; + } + } + *bufnext = EOS; +#ifdef DEBUG + qprintf("glob0:", patbuf); +#endif + + if ((err = glob1(patbuf, patbuf + PATH_MAX - 1, pglob, limitp)) != 0) + return err; + + /* + * If there was no match we are going to append the pattern + * if GLOB_NOCHECK was specified. + */ + if (pglob->gl_pathc == oldpathc) { + if ((pglob->gl_flags & GLOB_NOCHECK)) + return globextend(pattern, pglob, limitp, NULL); + else + return GLOB_NOMATCH; + } + if (!(pglob->gl_flags & GLOB_NOSORT)) { + qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc, + pglob->gl_pathc - oldpathc, sizeof(char *), compare); + } + return 0; +} + +static int +compare(const void *p, const void *q) +{ + return strcmp(*(char **)p, *(char **)q); +} + +static int +glob1(Char *pattern, Char *pattern_last, glob_t *pglob, struct glob_lim *limitp) +{ + Char pathbuf[PATH_MAX]; + + /* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */ + if (*pattern == EOS) + return 0; + return glob2(pathbuf, pathbuf + PATH_MAX - 1, + pathbuf, pathbuf + PATH_MAX - 1, + pattern, pattern_last, pglob, limitp); +} + +/* + * The functions glob2 and glob3 are mutually recursive; there is one level + * of recursion for each segment in the pattern that contains one or more + * meta characters. + */ +static int +glob2(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last, + Char *pattern, Char *pattern_last, glob_t *pglob, struct glob_lim *limitp) +{ + struct stat sb; + Char *p, *q; + int anymeta; + + /* + * Loop over pattern segments until end of pattern or until + * segment with meta character found. + */ + for (anymeta = 0;;) { + if (*pattern == EOS) { /* End of pattern? */ + *pathend = EOS; + + if ((pglob->gl_flags & GLOB_LIMIT) && + limitp->glim_stat++ >= GLOB_LIMIT_STAT) { + errno = 0; + *pathend++ = SEP; + *pathend = EOS; + return GLOB_NOSPACE; + } + if (g_lstat(pathbuf, &sb, pglob)) + return 0; + + if (((pglob->gl_flags & GLOB_MARK) && + pathend[-1] != SEP) && (S_ISDIR(sb.st_mode) || + (S_ISLNK(sb.st_mode) && + (g_stat(pathbuf, &sb, pglob) == 0) && + S_ISDIR(sb.st_mode)))) { + if (pathend+1 > pathend_last) + return 1; + *pathend++ = SEP; + *pathend = EOS; + } + ++pglob->gl_matchc; + return globextend(pathbuf, pglob, limitp, &sb); + } + + /* Find end of next segment, copy tentatively to pathend. */ + q = pathend; + p = pattern; + while (*p != EOS && *p != SEP) { + if (ismeta(*p)) + anymeta = 1; + if (q+1 > pathend_last) + return 1; + *q++ = *p++; + } + + if (!anymeta) { /* No expansion, do next segment. */ + pathend = q; + pattern = p; + while (*pattern == SEP) { + if (pathend+1 > pathend_last) + return 1; + *pathend++ = *pattern++; + } + } else + /* Need expansion, recurse. */ + return glob3(pathbuf, pathbuf_last, pathend, + pathend_last, pattern, p, pattern_last, + pglob, limitp); + } + /* NOTREACHED */ +} + +static int +glob3(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last, + Char *pattern, Char *restpattern, Char *restpattern_last, glob_t *pglob, + struct glob_lim *limitp) +{ + struct dirent *dp; + DIR *dirp; + int err; + char buf[PATH_MAX]; + + if (pathend > pathend_last) + return 1; + *pathend = EOS; + errno = 0; + + if ((dirp = g_opendir(pathbuf, pglob)) == NULL) { + /* TODO: don't call for ENOENT or ENOTDIR? */ + if (pglob->gl_errfunc) { + if (g_Ctoc(pathbuf, buf, sizeof(buf))) + return GLOB_ABORTED; + if (pglob->gl_errfunc(buf, errno) || + pglob->gl_flags & GLOB_ERR) + return GLOB_ABORTED; + } + return 0; + } + + err = 0; + + /* Search directory for matching names. */ + while ((dp = readdir(dirp))) { + unsigned char *sc; + Char *dc; + + if ((pglob->gl_flags & GLOB_LIMIT) && + limitp->glim_readdir++ >= GLOB_LIMIT_READDIR) { + errno = 0; + *pathend++ = SEP; + *pathend = EOS; + err = GLOB_NOSPACE; + break; + } + + /* Initial DOT must be matched literally. */ + if (dp->d_name[0] == DOT && *pattern != DOT) + continue; + dc = pathend; + sc = (unsigned char *) dp->d_name; + while (dc < pathend_last && (*dc++ = *sc++) != EOS) + continue; + if (dc >= pathend_last) { + *dc = EOS; + err = 1; + break; + } + + if (!match(pathend, pattern, restpattern)) { + *pathend = EOS; + continue; + } + err = glob2(pathbuf, pathbuf_last, --dc, pathend_last, + restpattern, restpattern_last, pglob, limitp); + if (err) + break; + } + + closedir(dirp); + return err; +} + +/* + * Extend the gl_pathv member of a glob_t structure to accommodate a new item, + * add the new item, and update gl_pathc. + * + * This assumes the BSD realloc, which only copies the block when its size + * crosses a power-of-two boundary; for v7 realloc, this would cause quadratic + * behavior. + * + * Return 0 if new item added, error code if memory couldn't be allocated. + * + * Invariant of the glob_t structure: + * Either gl_pathc is zero and gl_pathv is NULL; or gl_pathc > 0 and + * gl_pathv points to (gl_offs + gl_pathc + 1) items. + */ +static int +globextend(const Char *path, glob_t *pglob, struct glob_lim *limitp, + struct stat *sb) +{ + char **pathv; + size_t i, newn, len; + char *copy = NULL; + const Char *p; + + newn = 2 + pglob->gl_pathc + pglob->gl_offs; + if (pglob->gl_offs >= SSIZE_MAX || + pglob->gl_pathc >= SSIZE_MAX || + newn >= SSIZE_MAX || + SIZE_MAX / sizeof(*pathv) <= newn) { + nospace: + for (i = pglob->gl_offs; i < newn - 2; i++) { + if (pglob->gl_pathv && pglob->gl_pathv[i]) + free(pglob->gl_pathv[i]); + } + if (pglob->gl_pathv) { + free(pglob->gl_pathv); + pglob->gl_pathv = NULL; + } + return GLOB_NOSPACE; + } + + pathv = reallocarray(pglob->gl_pathv, newn, sizeof(*pathv)); + if (pathv == NULL) + goto nospace; + if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) { + /* first time around -- clear initial gl_offs items */ + pathv += pglob->gl_offs; + for (i = pglob->gl_offs; i > 0; i--) + *--pathv = NULL; + } + pglob->gl_pathv = pathv; + + for (p = path; *p++;) + continue; + len = (size_t)(p - path); + limitp->glim_malloc += len; + if ((copy = malloc(len)) != NULL) { + if (g_Ctoc(path, copy, len)) { + free(copy); + return GLOB_NOSPACE; + } + pathv[pglob->gl_offs + pglob->gl_pathc++] = copy; + } + pathv[pglob->gl_offs + pglob->gl_pathc] = NULL; + + if ((pglob->gl_flags & GLOB_LIMIT) && + (newn * sizeof(*pathv)) + limitp->glim_malloc > + GLOB_LIMIT_MALLOC) { + errno = 0; + return GLOB_NOSPACE; + } + return copy == NULL ? GLOB_NOSPACE : 0; +} + + +/* + * pattern matching function for filenames. Each occurrence of the * + * pattern causes an iteration. + * + * Note, this function differs from the original as per the discussion + * here: https://research.swtch.com/glob + * + * Basically we removed the recursion and made it use the algorithm + * from Russ Cox to not go quadratic on cases like a file called + * ("a" x 100) . "x" matched against a pattern like "a*a*a*a*a*a*a*y". + */ +static int +match(Char *name, Char *pat, Char *patend) +{ + int ok, negate_range; + Char c, k; + Char *nextp = NULL; + Char *nextn = NULL; + +loop: + while (pat < patend) { + c = *pat++; + switch (c & M_MASK) { + case M_ALL: + while (pat < patend && (*pat & M_MASK) == M_ALL) + pat++; /* eat consecutive '*' */ + if (pat == patend) + return 1; + if (*name == EOS) + return 0; + nextn = name + 1; + nextp = pat - 1; + break; + case M_ONE: + if (*name++ == EOS) + goto fail; + break; + case M_SET: + ok = 0; + if ((k = *name++) == EOS) + goto fail; + if ((negate_range = ((*pat & M_MASK) == M_NOT)) != EOS) + ++pat; + while (((c = *pat++) & M_MASK) != M_END) { + if ((c & M_MASK) == M_CLASS) { + Char idx = *pat & M_MASK; + if (idx < NCCLASSES && + cclasses[idx].isctype(k)) + ok = 1; + ++pat; + } + if ((*pat & M_MASK) == M_RNG) { + if (c <= k && k <= pat[1]) + ok = 1; + pat += 2; + } else if (c == k) + ok = 1; + } + if (ok == negate_range) + goto fail; + break; + default: + if (*name++ != c) + goto fail; + break; + } + } + if (*name == EOS) + return 1; +fail: + if (nextn) { + pat = nextp; + name = nextn; + goto loop; + } + return 0; +} + +/* Free allocated data belonging to a glob_t structure. */ +void +sudo_globfree(glob_t *pglob) +{ + size_t i; + char **pp; + + if (pglob->gl_pathv != NULL) { + pp = pglob->gl_pathv + pglob->gl_offs; + for (i = pglob->gl_pathc; i--; ++pp) + if (*pp) + free(*pp); + free(pglob->gl_pathv); + pglob->gl_pathv = NULL; + } +} + +static DIR * +g_opendir(Char *str, glob_t *pglob) +{ + char buf[PATH_MAX]; + + if (!*str) { + buf[0] = '.'; + buf[1] = '\0'; + } else { + if (g_Ctoc(str, buf, sizeof(buf))) + return NULL; + } + + return opendir(buf); +} + +static int +g_lstat(Char *fn, struct stat *sb, glob_t *pglob) +{ + char buf[PATH_MAX]; + + if (g_Ctoc(fn, buf, sizeof(buf))) + return -1; + return lstat(buf, sb); +} + +static int +g_stat(Char *fn, struct stat *sb, glob_t *pglob) +{ + char buf[PATH_MAX]; + + if (g_Ctoc(fn, buf, sizeof(buf))) + return -1; + return stat(buf, sb); +} + +static Char * +g_strchr(const Char *str, int ch) +{ + do { + if (*str == ch) + return (Char *)str; + } while (*str++); + return NULL; +} + +static int +g_Ctoc(const Char *str, char *buf, size_t len) +{ + + while (len--) { + if ((*buf++ = *str++) == EOS) + return 0; + } + return 1; +} + +#ifdef DEBUG +static void +qprintf(const char *str, Char *s) +{ + Char *p; + + (void)printf("%s:\n", str); + for (p = s; *p; p++) + (void)fputc(CHAR(*p), stdout); + (void)fputc('\n', stdout); + for (p = s; *p; p++) + (void)fputc(*p & M_PROTECT ? '"' : ' ', stdout); + (void)fputc('\n', stdout); + for (p = s; *p; p++) + (void)fputc(ismeta(*p) ? '_' : ' ', stdout); + (void)fputc('\n', stdout); +} +#endif /* DEBUG */ +#endif /* HAVE_GLOB */ diff --git a/lib/util/gmtime_r.c b/lib/util/gmtime_r.c new file mode 100644 index 0000000..11e2651 --- /dev/null +++ b/lib/util/gmtime_r.c @@ -0,0 +1,49 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_GMTIME_R + +#include <sys/types.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* + * Fake gmtime_r() that just stores the result. + * Still has the normal gmtime() side effects. + */ +struct tm * +sudo_gmtime_r(const time_t *timer, struct tm *result) +{ + struct tm *tm; + + if ((tm = gmtime(timer)) == NULL) + return NULL; + memcpy(result, tm, sizeof(struct tm)); + + return result; +} +#endif /* HAVE_GMTIME_T */ diff --git a/lib/util/hexchar.c b/lib/util/hexchar.c new file mode 100644 index 0000000..0650843 --- /dev/null +++ b/lib/util/hexchar.c @@ -0,0 +1,103 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * Converts a two-byte hex string to decimal. + * Returns a value 0-255 on success or -1 for invalid input. + */ +int +sudo_hexchar_v1(const char *s) +{ + unsigned char result[2]; + unsigned int i; + debug_decl(sudo_hexchar, SUDO_DEBUG_UTIL); + + for (i = 0; i < 2; i++) { + switch (s[i]) { + case '0': + result[i] = 0; + break; + case '1': + result[i] = 1; + break; + case '2': + result[i] = 2; + break; + case '3': + result[i] = 3; + break; + case '4': + result[i] = 4; + break; + case '5': + result[i] = 5; + break; + case '6': + result[i] = 6; + break; + case '7': + result[i] = 7; + break; + case '8': + result[i] = 8; + break; + case '9': + result[i] = 9; + break; + case 'A': + case 'a': + result[i] = 10; + break; + case 'B': + case 'b': + result[i] = 11; + break; + case 'C': + case 'c': + result[i] = 12; + break; + case 'D': + case 'd': + result[i] = 13; + break; + case 'E': + case 'e': + result[i] = 14; + break; + case 'F': + case 'f': + result[i] = 15; + break; + default: + /* Invalid input. */ + debug_return_int(-1); + } + } + debug_return_int((result[0] << 4) | result[1]); +} diff --git a/lib/util/inet_ntop.c b/lib/util/inet_ntop.c new file mode 100644 index 0000000..e456d6e --- /dev/null +++ b/lib/util/inet_ntop.c @@ -0,0 +1,229 @@ +/* $OpenBSD: inet_ntop.c,v 1.9 2014/02/05 14:20:43 millert Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1996 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#include <config.h> + +#if !defined(HAVE_INET_NTOP) + +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> +#include <string.h> +#include <errno.h> +#include <stdio.h> + +#include <sudo_compat.h> + +#ifndef EAFNOSUPPORT +# define EAFNOSUPPORT EINVAL +#endif + +#ifndef NS_IN6ADDRSZ +# ifdef IN6ADDRSZ +# define NS_IN6ADDRSZ IN6ADDRSZ +# else +# define NS_IN6ADDRSZ 16 +# endif +#endif +#ifndef NS_INT16SZ +# ifdef INT16SZ +# define NS_INT16SZ INT16SZ +# else +# define NS_INT16SZ 2 +# endif +#endif + +/* + * WARNING: Don't even consider trying to compile this on a system where + * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. + */ + +/* const char * + * inet_ntop4(src, dst, size) + * format an IPv4 address, more or less like inet_ntoa() + * return: + * `dst' (as a const) + * notes: + * (1) uses no statics + * (2) takes a unsigned char* not an in_addr as input + * author: + * Paul Vixie, 1996. + */ +static const char * +inet_ntop4(const unsigned char * restrict src, char * restrict dst, socklen_t size) +{ + const char fmt[] = "%u.%u.%u.%u"; + int len; + + len = snprintf(dst, size, fmt, src[0], src[1], src[2], src[3]); + if (len < 0 || (socklen_t)len >= size) { + errno = ENOSPC; + return (NULL); + } + return (dst); +} + +#ifdef HAVE_STRUCT_IN6_ADDR +/* const char * + * inet_ntop6(src, dst, size) + * convert IPv6 binary address into presentation (printable) format + * author: + * Paul Vixie, 1996. + */ +static const char * +inet_ntop6(const unsigned char * restrict src, char * restrict dst, socklen_t size) +{ + /* + * Note that int32_t and int16_t need only be "at least" large enough + * to contain a value of the specified size. On some systems, like + * Crays, there is no such thing as an integer variable with 16 bits. + * Keep this in mind if you think this function should have been coded + * to use pointer overlays. All the world's not a VAX. + */ + char *cp, *ep; + struct { int base, len; } best, cur; + unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ]; + int i; + int advance; + + /* + * Preprocess: + * Copy the input (bytewise) array into a wordwise array. + * Find the longest run of 0x00's in src[] for :: shorthanding. + */ + memset(words, 0, sizeof(words)); + for (i = 0; i < NS_IN6ADDRSZ; i++) + words[i / 2] |= (src[i] << ((1 - (i & 1)) << 3)); + best.base = -1; + best.len = 0; + cur.base = -1; + cur.len = 0; + for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) { + if (words[i] == 0) { + if (cur.base == -1) + cur.base = i, cur.len = 1; + else + cur.len++; + } else { + if (cur.base != -1) { + if (best.base == -1 || cur.len > best.len) + best = cur; + cur.base = -1; + } + } + } + if (cur.base != -1) { + if (best.base == -1 || cur.len > best.len) + best = cur; + } + if (best.base != -1 && best.len < 2) + best.base = -1; + + /* + * Format the result. + */ + cp = dst; + ep = dst + size; + for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ) && cp < ep; i++) { + /* Are we inside the best run of 0x00's? */ + if (best.base != -1 && i >= best.base && + i < (best.base + best.len)) { + if (i == best.base) { + if (cp + 1 >= ep) { + errno = ENOSPC; + return (NULL); + } + *cp++ = ':'; + } + continue; + } + /* Are we following an initial run of 0x00s or any real hex? */ + if (i != 0) { + if (cp + 1 >= ep) { + errno = ENOSPC; + return (NULL); + } + *cp++ = ':'; + } + /* Is this address an encapsulated IPv4? */ + if (i == 6 && best.base == 0 && + (best.len == 6 || + (best.len == 7 && words[7] != 0x0001) || + (best.len == 5 && words[5] == 0xffff))) { + if (!inet_ntop4(src + 12, cp, (socklen_t)(ep - cp))) + return (NULL); + cp += strlen(cp); + break; + } + advance = snprintf(cp, (size_t)(ep - cp), "%x", words[i]); + if (advance <= 0 || advance >= ep - cp) { + errno = ENOSPC; + return (NULL); + } + cp += advance; + } + /* Was it a trailing run of 0x00's? */ + if (best.base != -1 && + (best.base + best.len) == (NS_IN6ADDRSZ / NS_INT16SZ)) { + if (cp + 1 >= ep) { + errno = ENOSPC; + return (NULL); + } + *cp++ = ':'; + } + if (cp + 1 >= ep) { + errno = ENOSPC; + return (NULL); + } + *cp++ = '\0'; + + return (dst); +} +#endif /* HAVE_STRUCT_IN6_ADDR */ + +/* const char * + * inet_ntop(af, src, dst, size) + * convert a network format address to presentation format. + * return: + * pointer to presentation format address (`dst'), or NULL (see errno). + * author: + * Paul Vixie, 1996. + */ +const char * +sudo_inet_ntop(int af, const void * restrict src, char * restrict dst, socklen_t size) +{ + switch (af) { + case AF_INET: + return (inet_ntop4(src, dst, size)); +#ifdef HAVE_STRUCT_IN6_ADDR + case AF_INET6: + return (inet_ntop6(src, dst, size)); +#endif + default: + errno = EAFNOSUPPORT; + return (NULL); + } + /* NOTREACHED */ +} + +#endif /* !HAVE_INET_NTOP */ diff --git a/lib/util/inet_pton.c b/lib/util/inet_pton.c new file mode 100644 index 0000000..d3b4b4b --- /dev/null +++ b/lib/util/inet_pton.c @@ -0,0 +1,252 @@ +/* $OpenBSD: inet_pton.c,v 1.8 2010/05/06 15:47:14 claudio Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1996 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#include <config.h> + +#if !defined(HAVE_INET_PTON) + +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> +#include <string.h> +#include <errno.h> + +#include <sudo_compat.h> + +#ifndef EAFNOSUPPORT +# define EAFNOSUPPORT EINVAL +#endif + +#ifndef NS_INADDRSZ +# ifdef INADDRSZ +# define NS_INADDRSZ INADDRSZ +# else +# define NS_INADDRSZ 4 +# endif +#endif +#ifndef NS_IN6ADDRSZ +# ifdef IN6ADDRSZ +# define NS_IN6ADDRSZ IN6ADDRSZ +# else +# define NS_IN6ADDRSZ 16 +# endif +#endif +#ifndef NS_INT16SZ +# ifdef INT16SZ +# define NS_INT16SZ INT16SZ +# else +# define NS_INT16SZ 2 +# endif +#endif + +/* + * WARNING: Don't even consider trying to compile this on a system where + * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. + */ + +/* int + * inet_pton4(src, dst) + * like inet_aton() but without all the hexadecimal and shorthand. + * return: + * 1 if `src' is a valid dotted quad, else 0. + * notice: + * does not touch `dst' unless it's returning 1. + * author: + * Paul Vixie, 1996. + */ +static int +inet_pton4(const char *src, u_char *dst) +{ + const char digits[] = "0123456789"; + int saw_digit, octets, ch; + u_char tmp[NS_INADDRSZ], *tp; + + saw_digit = 0; + octets = 0; + /* cppcheck-suppress uninitvar */ + *(tp = tmp) = '\0'; + while ((ch = (unsigned char)*src++) != '\0') { + const char *pch; + + if ((pch = strchr(digits, ch)) != NULL) { + u_int new = *tp * 10 + (pch - digits); + + if (new > 255) + return (0); + if (!saw_digit) { + if (++octets > 4) + return (0); + saw_digit = 1; + } + *tp = new; + } else if (ch == '.' && saw_digit) { + if (octets == 4) + return (0); + *++tp = 0; + saw_digit = 0; + } else + return (0); + } + if (octets < 4) + return (0); + + memcpy(dst, tmp, NS_INADDRSZ); + return (1); +} + +#ifdef HAVE_STRUCT_IN6_ADDR +/* int + * inet_pton6(src, dst) + * convert presentation level address to network order binary form. + * return: + * 1 if `src' is a valid [RFC1884 2.2] address, else 0. + * notice: + * does not touch `dst' unless it's returning 1. + * credit: + * inspired by Mark Andrews. + * author: + * Paul Vixie, 1996. + */ +static int +inet_pton6(const char *src, u_char *dst) +{ + const char xdigits_l[] = "0123456789abcdef", + xdigits_u[] = "0123456789ABCDEF"; + u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp; + const char *xdigits, *curtok; + int ch, saw_xdigit, count_xdigit; + u_int val; + + /* cppcheck-suppress uninitvar */ + memset((tp = tmp), 0, NS_IN6ADDRSZ); + endp = tp + NS_IN6ADDRSZ; + colonp = NULL; + /* Leading :: requires some special handling. */ + if (*src == ':') + if (*++src != ':') + return (0); + curtok = src; + saw_xdigit = count_xdigit = 0; + val = 0; + while ((ch = (unsigned char)*src++) != '\0') { + const char *pch; + + if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) + pch = strchr((xdigits = xdigits_u), ch); + if (pch != NULL) { + if (count_xdigit >= 4) + return (0); + val <<= 4; + val |= (pch - xdigits); + if (val > 0xffff) + return (0); + saw_xdigit = 1; + count_xdigit++; + continue; + } + if (ch == ':') { + curtok = src; + if (!saw_xdigit) { + if (colonp) + return (0); + colonp = tp; + continue; + } else if (*src == '\0') { + return (0); + } + if (tp + NS_INT16SZ > endp) + return (0); + *tp++ = (u_char) (val >> 8) & 0xff; + *tp++ = (u_char) val & 0xff; + saw_xdigit = 0; + count_xdigit = 0; + val = 0; + continue; + } + if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) && + inet_pton4(curtok, tp) > 0) { + tp += NS_INADDRSZ; + saw_xdigit = 0; + count_xdigit = 0; + break; /* '\0' was seen by inet_pton4(). */ + } + return (0); + } + if (saw_xdigit) { + if (tp + NS_INT16SZ > endp) + return (0); + *tp++ = (u_char) (val >> 8) & 0xff; + *tp++ = (u_char) val & 0xff; + } + if (colonp != NULL) { + /* + * Since some memmove()'s erroneously fail to handle + * overlapping regions, we'll do the shift by hand. + */ + const long n = tp - colonp; + long i; + + if (tp == endp) + return (0); + for (i = 1; i <= n; i++) { + endp[- i] = colonp[n - i]; + colonp[n - i] = 0; + } + tp = endp; + } + if (tp != endp) + return (0); + memcpy(dst, tmp, NS_IN6ADDRSZ); + return (1); +} +#endif /* HAVE_STRUCT_IN6_ADDR */ + +/* int + * inet_pton(af, src, dst) + * convert from presentation format (which usually means ASCII printable) + * to network format (which is usually some kind of binary format). + * return: + * 1 if the address was valid for the specified address family + * 0 if the address wasn't valid (`dst' is untouched in this case) + * -1 if some other error occurred (`dst' is untouched in this case, too) + * author: + * Paul Vixie, 1996. + */ +int +sudo_inet_pton(int af, const char *src, void *dst) +{ + switch (af) { + case AF_INET: + return (inet_pton4(src, dst)); +#ifdef HAVE_STRUCT_IN6_ADDR + case AF_INET6: + return (inet_pton6(src, dst)); +#endif /* HAVE_STRUCT_IN6_ADDR */ + default: + errno = EAFNOSUPPORT; + return (-1); + } + /* NOTREACHED */ +} + +#endif /* HAVE_INET_PTON */ diff --git a/lib/util/isblank.c b/lib/util/isblank.c new file mode 100644 index 0000000..cc099c0 --- /dev/null +++ b/lib/util/isblank.c @@ -0,0 +1,37 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2008, 2010-2011, 2013 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_ISBLANK + +#include <sudo_compat.h> + +#undef isblank +int +isblank(int ch) +{ + return ch == ' ' || ch == '\t'; +} +#endif /* HAVE_ISBLANK */ diff --git a/lib/util/json.c b/lib/util/json.c new file mode 100644 index 0000000..e0bd286 --- /dev/null +++ b/lib/util/json.c @@ -0,0 +1,423 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_json.h> +#include <sudo_util.h> + +/* + * Double the size of the json buffer. + * Returns true on success, false if out of memory. + */ +static bool +json_expand_buf(struct json_container *jsonc) +{ + char *newbuf; + debug_decl(json_expand_buf, SUDO_DEBUG_UTIL); + + if ((newbuf = reallocarray(jsonc->buf, 2, jsonc->bufsize)) == NULL) { + if (jsonc->memfatal) { + sudo_fatalx(U_("%s: %s"), + __func__, U_("unable to allocate memory")); + } + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "%s: %s", __func__, "unable to allocate memory"); + debug_return_bool(false); + } + jsonc->buf = newbuf; + jsonc->bufsize *= 2; + + debug_return_bool(true); +} + +/* + * Start a new line and indent unless formatting as minimal JSON. + * Append "indent" number of blank characters. + */ +static bool +json_new_line(struct json_container *jsonc) +{ + unsigned int indent = jsonc->indent_level; + debug_decl(json_new_line, SUDO_DEBUG_UTIL); + + /* No non-essential white space in minimal mode. */ + if (jsonc->minimal) + debug_return_bool(true); + + while (jsonc->buflen + 1 + indent >= jsonc->bufsize) { + if (!json_expand_buf(jsonc)) + debug_return_bool(false); + } + jsonc->buf[jsonc->buflen++] = '\n'; + while (indent--) { + jsonc->buf[jsonc->buflen++] = ' '; + } + jsonc->buf[jsonc->buflen] = '\0'; + + debug_return_bool(true); +} + +/* + * Append a string to the JSON buffer, expanding as needed. + * Does not perform any quoting. + */ +static bool +json_append_buf(struct json_container *jsonc, const char *str) +{ + size_t len; + debug_decl(json_append_buf, SUDO_DEBUG_UTIL); + + len = strlen(str); + while (jsonc->buflen + len >= jsonc->bufsize) { + if (!json_expand_buf(jsonc)) + debug_return_bool(false); + } + + memcpy(jsonc->buf + jsonc->buflen, str, len); + jsonc->buflen += (unsigned int)len; + jsonc->buf[jsonc->buflen] = '\0'; + + debug_return_bool(true); +} + +/* + * Append a quoted JSON string, escaping special chars and expanding as needed. + * Treats strings as 8-bit ASCII, escaping control characters. + */ +static bool +json_append_string(struct json_container *jsonc, const char *str) +{ + const char hex[] = "0123456789abcdef"; + char ch; + debug_decl(json_append_string, SUDO_DEBUG_UTIL); + + if (!json_append_buf(jsonc, "\"")) + debug_return_bool(false); + while ((ch = *str++) != '\0') { + char buf[sizeof("\\u0000")], *cp = buf; + + switch (ch) { + case '"': + case '\\': + *cp++ = '\\'; + break; + case '\b': + *cp++ = '\\'; + ch = 'b'; + break; + case '\f': + *cp++ = '\\'; + ch = 'f'; + break; + case '\n': + *cp++ = '\\'; + ch = 'n'; + break; + case '\r': + *cp++ = '\\'; + ch = 'r'; + break; + case '\t': + *cp++ = '\\'; + ch = 't'; + break; + default: + if (iscntrl((unsigned char)ch)) { + /* Escape control characters like \u0000 */ + *cp++ = '\\'; + *cp++ = 'u'; + *cp++ = '0'; + *cp++ = '0'; + *cp++ = hex[ch >> 4]; + ch = hex[ch & 0x0f]; + } + break; + } + *cp++ = ch; + *cp = '\0'; + if (!json_append_buf(jsonc, buf)) + debug_return_bool(false); + } + if (!json_append_buf(jsonc, "\"")) + debug_return_bool(false); + + debug_return_bool(true); +} + +bool +sudo_json_init_v2(struct json_container *jsonc, unsigned int indent, + bool minimal, bool memfatal, bool quiet) +{ + debug_decl(sudo_json_init, SUDO_DEBUG_UTIL); + + memset(jsonc, 0, sizeof(*jsonc)); + jsonc->indent_level = indent; + jsonc->indent_increment = indent; + jsonc->minimal = minimal; + jsonc->memfatal = memfatal; + jsonc->quiet = quiet; + jsonc->buf = malloc(64 * 1024); + if (jsonc->buf == NULL) { + if (jsonc->memfatal) { + sudo_fatalx(U_("%s: %s"), + __func__, U_("unable to allocate memory")); + } + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO|SUDO_DEBUG_LINENO, + "%s: %s", __func__, "unable to allocate memory"); + debug_return_bool(false); + } + *jsonc->buf = '\0'; + jsonc->bufsize = 64 * 1024; + + debug_return_bool(true); +} + +bool +sudo_json_init_v1(struct json_container *jsonc, unsigned int indent, + bool minimal, bool memfatal) +{ + return sudo_json_init_v2(jsonc, indent, minimal, memfatal, false); +} + +void +sudo_json_free_v1(struct json_container *jsonc) +{ + debug_decl(sudo_json_free, SUDO_DEBUG_UTIL); + + free(jsonc->buf); + memset(jsonc, 0, sizeof(*jsonc)); + + debug_return; +} + +bool +sudo_json_open_object_v1(struct json_container *jsonc, const char *name) +{ + debug_decl(sudo_json_open_object, SUDO_DEBUG_UTIL); + + /* Add comma if we are continuing an object/array. */ + if (jsonc->need_comma) { + if (!json_append_buf(jsonc, ",")) + debug_return_bool(false); + } + if (!json_new_line(jsonc)) + debug_return_bool(false); + + if (name != NULL) { + json_append_string(jsonc, name); + if (!json_append_buf(jsonc, jsonc->minimal ? ":{" : ": {")) + debug_return_bool(false); + } else { + if (!json_append_buf(jsonc, "{")) + debug_return_bool(false); + } + + jsonc->indent_level += jsonc->indent_increment; + jsonc->need_comma = false; + + debug_return_bool(true); +} + +bool +sudo_json_close_object_v1(struct json_container *jsonc) +{ + debug_decl(sudo_json_close_object, SUDO_DEBUG_UTIL); + + if (!jsonc->minimal) { + jsonc->indent_level -= jsonc->indent_increment; + if (!json_new_line(jsonc)) + debug_return_bool(false); + } + if (!json_append_buf(jsonc, "}")) + debug_return_bool(false); + + debug_return_bool(true); +} + +bool +sudo_json_open_array_v1(struct json_container *jsonc, const char *name) +{ + debug_decl(sudo_json_open_array, SUDO_DEBUG_UTIL); + + /* Add comma if we are continuing an object/array. */ + if (jsonc->need_comma) { + if (!json_append_buf(jsonc, ",")) + debug_return_bool(false); + } + if (!json_new_line(jsonc)) + debug_return_bool(false); + + if (name != NULL) { + json_append_string(jsonc, name); + if (!json_append_buf(jsonc, jsonc->minimal ? ":[" : ": [")) + debug_return_bool(false); + } else { + if (!json_append_buf(jsonc, "[")) + debug_return_bool(false); + } + + jsonc->indent_level += jsonc->indent_increment; + jsonc->need_comma = false; + + debug_return_bool(true); +} + +bool +sudo_json_close_array_v1(struct json_container *jsonc) +{ + debug_decl(sudo_json_close_array, SUDO_DEBUG_UTIL); + + if (!jsonc->minimal) { + jsonc->indent_level -= jsonc->indent_increment; + if (!json_new_line(jsonc)) + debug_return_bool(false); + } + if (!json_append_buf(jsonc, "]")) + debug_return_bool(false); + + debug_return_bool(true); +} + +static bool +sudo_json_add_value_int(struct json_container *jsonc, const char *name, + struct json_value *value, bool as_object) +{ + struct json_container saved_container = *jsonc; + char numbuf[STRLEN_MAX_SIGNED(long long) + 1]; + debug_decl(sudo_json_add_value, SUDO_DEBUG_UTIL); + + /* Add comma if we are continuing an object/array. */ + if (jsonc->need_comma) { + if (!json_append_buf(jsonc, ",")) + goto bad; + } + if (!json_new_line(jsonc)) + goto bad; + jsonc->need_comma = true; + + if (as_object) { + if (!json_append_buf(jsonc, jsonc->minimal ? "{" : "{ ")) + goto bad; + } + + /* name */ + if (name != NULL) { + if (!json_append_string(jsonc, name)) + goto bad; + if (!json_append_buf(jsonc, jsonc->minimal ? ":" : ": ")) + goto bad; + } + + /* value */ + switch (value->type) { + case JSON_STRING: + if (!json_append_string(jsonc, value->u.string)) + goto bad; + break; + case JSON_ID: + snprintf(numbuf, sizeof(numbuf), "%u", (unsigned int)value->u.id); + if (!json_append_buf(jsonc, numbuf)) + goto bad; + break; + case JSON_NUMBER: + snprintf(numbuf, sizeof(numbuf), "%lld", value->u.number); + if (!json_append_buf(jsonc, numbuf)) + goto bad; + break; + case JSON_NULL: + if (!json_append_buf(jsonc, "null")) + goto bad; + break; + case JSON_BOOL: + if (!json_append_buf(jsonc, value->u.boolean ? "true" : "false")) + goto bad; + break; + case JSON_ARRAY: + if (!jsonc->quiet) + sudo_warnx("internal error: add JSON_ARRAY as a value"); + goto bad; + case JSON_OBJECT: + if (!jsonc->quiet) + sudo_warnx("internal error: add JSON_OBJECT as a value"); + goto bad; + default: + if (!jsonc->quiet) + sudo_warnx("internal error: unknown JSON type %d", value->type); + goto bad; + } + + if (as_object) { + if (!json_append_buf(jsonc, jsonc->minimal ? "}" : " }")) + goto bad; + } + + debug_return_bool(true); +bad: + /* Restore container but handle reallocation of buf. */ + saved_container.buf = jsonc->buf; + saved_container.bufsize = jsonc->bufsize; + *jsonc = saved_container; + jsonc->buf[jsonc->buflen] = '\0'; + debug_return_bool(false); +} + +bool +sudo_json_add_value_v1(struct json_container *jsonc, const char *name, + struct json_value *value) +{ + return sudo_json_add_value_int(jsonc, name, value, false); +} + +bool +sudo_json_add_value_as_object_v1(struct json_container *jsonc, const char *name, + struct json_value *value) +{ + return sudo_json_add_value_int(jsonc, name, value, true); +} + +char * +sudo_json_get_buf_v1(struct json_container *jsonc) +{ + return jsonc->buf; +} + +unsigned int +sudo_json_get_len_v1(struct json_container *jsonc) +{ + return jsonc->buflen; +} diff --git a/lib/util/key_val.c b/lib/util/key_val.c new file mode 100644 index 0000000..89ba4ac --- /dev/null +++ b/lib/util/key_val.c @@ -0,0 +1,56 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010-2012, 2014-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * Create a new key=value pair and return it. + * The caller is responsible for freeing the string. + */ +char * +sudo_new_key_val_v1(const char *key, const char *val) +{ + size_t key_len = strlen(key); + size_t val_len = strlen(val); + char *cp, *str; + debug_decl(sudo_new_key_val, SUDO_DEBUG_UTIL); + + cp = str = malloc(key_len + 1 + val_len + 1); + if (cp != NULL) { + memcpy(cp, key, key_len); + cp += key_len; + *cp++ = '='; + memcpy(cp, val, val_len); + cp += val_len; + *cp = '\0'; + } + + debug_return_str(str); +} diff --git a/lib/util/lbuf.c b/lib/util/lbuf.c new file mode 100644 index 0000000..6bc74ee --- /dev/null +++ b/lib/util/lbuf.c @@ -0,0 +1,496 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2007-2015, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <ctype.h> +#include <errno.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_lbuf.h> +#include <sudo_util.h> + +void +sudo_lbuf_init_v1(struct sudo_lbuf *lbuf, sudo_lbuf_output_t output, + unsigned int indent, const char *continuation, int cols) +{ + debug_decl(sudo_lbuf_init, SUDO_DEBUG_UTIL); + + if (cols < 0) + cols = 0; + + lbuf->output = output; + lbuf->continuation = continuation; + lbuf->indent = indent; + lbuf->cols = (unsigned short)cols; + lbuf->error = 0; + lbuf->len = 0; + lbuf->size = 0; + lbuf->buf = NULL; + + debug_return; +} + +void +sudo_lbuf_destroy_v1(struct sudo_lbuf *lbuf) +{ + debug_decl(sudo_lbuf_destroy, SUDO_DEBUG_UTIL); + + free(lbuf->buf); + lbuf->error = 0; + lbuf->len = 0; + lbuf->size = 0; + lbuf->buf = NULL; + + debug_return; +} + +static bool +sudo_lbuf_expand(struct sudo_lbuf *lbuf, unsigned int extra) +{ + debug_decl(sudo_lbuf_expand, SUDO_DEBUG_UTIL); + + if (lbuf->len + extra + 1 <= lbuf->len) { + errno = ENOMEM; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "integer overflow updating lbuf->len"); + lbuf->error = 1; + debug_return_bool(false); + } + + if (lbuf->len + extra + 1 > lbuf->size) { + const size_t size = lbuf->len + extra + 1; + size_t new_size = sudo_pow2_roundup(size); + char *new_buf; + + if (new_size > UINT_MAX || new_size < lbuf->size) { + errno = ENOMEM; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "integer overflow updating lbuf->size"); + lbuf->error = 1; + debug_return_bool(false); + } + if (new_size < 1024) + new_size = 1024; + if ((new_buf = realloc(lbuf->buf, new_size)) == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to allocate memory"); + lbuf->error = 1; + debug_return_bool(false); + } + lbuf->buf = new_buf; + lbuf->size = (unsigned int)new_size; + } + debug_return_bool(true); +} + +/* + * Escape a character in octal form (#0n) and store it as a string + * in buf, which must have at least 6 bytes available. + * Returns the length of buf, not counting the terminating NUL byte. + */ +static unsigned int +escape(char ch, char *buf) +{ + unsigned char uch = (unsigned char)ch; + const unsigned int len = uch < 0100 ? (uch < 010 ? 3 : 4) : 5; + + /* Work backwards from the least significant digit to most significant. */ + switch (len) { + case 5: + buf[4] = (uch & 7) + '0'; + uch >>= 3; + FALLTHROUGH; + case 4: + buf[3] = (uch & 7) + '0'; + uch >>= 3; + FALLTHROUGH; + case 3: + buf[2] = (uch & 7) + '0'; + buf[1] = '0'; + buf[0] = '#'; + break; + } + buf[len] = '\0'; + + return len; +} + +/* + * Parse the format and append strings, only %s and %% escapes are supported. + * Any non-printable characters are escaped in octal as #0nn. + */ +bool +sudo_lbuf_append_esc_v1(struct sudo_lbuf *lbuf, int flags, const char * restrict fmt, ...) +{ + unsigned int saved_len = lbuf->len; + bool ret = false; + const char *s; + va_list ap; + debug_decl(sudo_lbuf_append_esc, SUDO_DEBUG_UTIL); + + if (sudo_lbuf_error(lbuf)) + debug_return_bool(false); + +#define should_escape(ch) \ + ((ISSET(flags, LBUF_ESC_CNTRL) && iscntrl((unsigned char)ch)) || \ + (ISSET(flags, LBUF_ESC_BLANK) && isblank((unsigned char)ch))) +#define should_quote(ch) \ + (ISSET(flags, LBUF_ESC_QUOTE) && (ch == '\'' || ch == '\\')) + + va_start(ap, fmt); + while (*fmt != '\0') { + if (fmt[0] == '%' && fmt[1] == 's') { + if ((s = va_arg(ap, char *)) == NULL) + s = "(NULL)"; + while (*s != '\0') { + if (should_escape(*s)) { + if (!sudo_lbuf_expand(lbuf, sizeof("#0177") - 1)) + goto done; + lbuf->len += escape(*s++, lbuf->buf + lbuf->len); + continue; + } + if (should_quote(*s)) { + if (!sudo_lbuf_expand(lbuf, 2)) + goto done; + lbuf->buf[lbuf->len++] = '\\'; + lbuf->buf[lbuf->len++] = *s++; + continue; + } + if (!sudo_lbuf_expand(lbuf, 1)) + goto done; + lbuf->buf[lbuf->len++] = *s++; + } + fmt += 2; + continue; + } + if (should_escape(*fmt)) { + if (!sudo_lbuf_expand(lbuf, sizeof("#0177") - 1)) + goto done; + if (*fmt == '\'') { + lbuf->buf[lbuf->len++] = '\\'; + lbuf->buf[lbuf->len++] = *fmt++; + } else { + lbuf->len += escape(*fmt++, lbuf->buf + lbuf->len); + } + continue; + } + if (!sudo_lbuf_expand(lbuf, 1)) + goto done; + lbuf->buf[lbuf->len++] = *fmt++; + } + ret = true; + +done: + if (!ret) + lbuf->len = saved_len; + if (lbuf->size != 0) + lbuf->buf[lbuf->len] = '\0'; + va_end(ap); + + debug_return_bool(ret); +} + +/* + * Parse the format and append strings, only %s and %% escapes are supported. + * Any characters in set are quoted with a backslash. + */ +bool +sudo_lbuf_append_quoted_v1(struct sudo_lbuf *lbuf, const char *set, const char * restrict fmt, ...) +{ + unsigned int saved_len = lbuf->len; + bool ret = false; + const char *cp, *s; + va_list ap; + unsigned int len; + debug_decl(sudo_lbuf_append_quoted, SUDO_DEBUG_UTIL); + + if (sudo_lbuf_error(lbuf)) + debug_return_bool(false); + + va_start(ap, fmt); + while (*fmt != '\0') { + if (fmt[0] == '%' && fmt[1] == 's') { + if ((s = va_arg(ap, char *)) == NULL) + s = "(NULL)"; + while ((cp = strpbrk(s, set)) != NULL) { + len = (unsigned int)(cp - s); + if (!sudo_lbuf_expand(lbuf, len + 2)) + goto done; + memcpy(lbuf->buf + lbuf->len, s, len); + lbuf->len += len; + lbuf->buf[lbuf->len++] = '\\'; + lbuf->buf[lbuf->len++] = *cp; + s = cp + 1; + } + if (*s != '\0') { + len = (unsigned int)strlen(s); + if (!sudo_lbuf_expand(lbuf, len)) + goto done; + memcpy(lbuf->buf + lbuf->len, s, len); + lbuf->len += len; + } + fmt += 2; + continue; + } + if (!sudo_lbuf_expand(lbuf, 2)) + goto done; + if (strchr(set, *fmt) != NULL) + lbuf->buf[lbuf->len++] = '\\'; + lbuf->buf[lbuf->len++] = *fmt++; + } + ret = true; + +done: + if (!ret) + lbuf->len = saved_len; + if (lbuf->size != 0) + lbuf->buf[lbuf->len] = '\0'; + va_end(ap); + + debug_return_bool(ret); +} + +/* + * Parse the format and append strings, only %s, %n$s and %% escapes are supported. + */ +bool +sudo_lbuf_append_v1(struct sudo_lbuf *lbuf, const char * restrict fmt, ...) +{ + unsigned int saved_len = lbuf->len; + bool ret = false; + va_list ap; + const char *s; + unsigned int len; + debug_decl(sudo_lbuf_append, SUDO_DEBUG_UTIL); + + if (sudo_lbuf_error(lbuf)) + debug_return_bool(false); + + va_start(ap, fmt); + while (*fmt != '\0') { + if (fmt[0] == '%' && isdigit((unsigned char)fmt[1])) { + const char *num_start = fmt + 1; + const char *num_end = num_start; + int arg_num; + /* Find the end of the numeric part */ + while (isdigit((unsigned char)*num_end)) + num_end++; + if (num_end[0] == '$' && num_end[1] == 's' && num_end > num_start) { + /* Convert the numeric part to an integer */ + char numbuf[STRLEN_MAX_SIGNED(int) + 1]; + len = (unsigned int)(num_end - num_start); + if (len >= sizeof(numbuf)) { + errno = EINVAL; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "integer overflow parsing $n"); + lbuf->error = 1; + goto done; + } + memcpy(numbuf, num_start, len); + numbuf[len] = '\0'; + arg_num = atoi(numbuf); + if (arg_num > 0) { + va_list arg_copy; + va_copy(arg_copy, ap); + for (int i = 1; i < arg_num; i++) { + (void)va_arg(arg_copy, char *); + } + if ((s = va_arg(arg_copy, char *)) == NULL) + s = "(NULL)"; + len = (unsigned int)strlen(s); + if (!sudo_lbuf_expand(lbuf, len)) { + va_end(arg_copy); + goto done; + } + memcpy(lbuf->buf + lbuf->len, s, len); + lbuf->len += len; + fmt = num_end + 2; + va_end(arg_copy); + continue; + } + } + } + if (fmt[0] == '%' && fmt[1] == 's') { + if ((s = va_arg(ap, char *)) == NULL) + s = "(NULL)"; + len = (unsigned int)strlen(s); + if (!sudo_lbuf_expand(lbuf, len)) + goto done; + memcpy(lbuf->buf + lbuf->len, s, len); + lbuf->len += len; + fmt += 2; + continue; + } + if (!sudo_lbuf_expand(lbuf, 1)) + goto done; + lbuf->buf[lbuf->len++] = *fmt++; + } + ret = true; + +done: + if (!ret) + lbuf->len = saved_len; + if (lbuf->size != 0) + lbuf->buf[lbuf->len] = '\0'; + va_end(ap); + + debug_return_bool(ret); +} + +/* XXX - check output function return value */ +static void +sudo_lbuf_println(struct sudo_lbuf *lbuf, char *line, size_t len) +{ + char *cp, save; + size_t i, have, contlen = 0; + unsigned int indent = lbuf->indent; + bool is_comment = false; + debug_decl(sudo_lbuf_println, SUDO_DEBUG_UTIL); + + /* Comment lines don't use continuation and only indent is for "# " */ + if (line[0] == '#' && isblank((unsigned char)line[1])) { + is_comment = true; + indent = 2; + } + if (lbuf->continuation != NULL && !is_comment) + contlen = strlen(lbuf->continuation); + + /* + * Print the buffer, splitting the line as needed on a word + * boundary. + */ + cp = line; + have = lbuf->cols; + while (cp != NULL && *cp != '\0') { + char *ep = NULL; + size_t need = len - (size_t)(cp - line); + + if (need > have) { + have -= contlen; /* subtract for continuation char */ + if ((ep = memrchr(cp, ' ', have)) == NULL) + ep = memchr(cp + have, ' ', need - have); + if (ep != NULL) + need = (size_t)(ep - cp); + } + if (cp != line) { + if (is_comment) { + lbuf->output("# "); + } else { + /* indent continued lines */ + /* XXX - build up string instead? */ + for (i = 0; i < indent; i++) + lbuf->output(" "); + } + } + /* NUL-terminate cp for the output function and restore afterwards */ + save = cp[need]; + cp[need] = '\0'; + lbuf->output(cp); + cp[need] = save; + cp = ep; + + /* + * If there is more to print, reset have, incremement cp past + * the whitespace, and print a line continuaton char if needed. + */ + if (cp != NULL) { + have = lbuf->cols - indent; + ep = line + len; + while (cp < ep && isblank((unsigned char)*cp)) { + cp++; + } + if (contlen) + lbuf->output(lbuf->continuation); + } + lbuf->output("\n"); + } + + debug_return; +} + +/* + * Print the buffer with word wrap based on the tty width. + * The lbuf is reset on return. + * XXX - check output function return value + */ +void +sudo_lbuf_print_v1(struct sudo_lbuf *lbuf) +{ + char *cp, *ep; + size_t len; + debug_decl(sudo_lbuf_print, SUDO_DEBUG_UTIL); + + if (lbuf->buf == NULL || lbuf->len == 0) + goto done; + + /* For very small widths just give up... */ + len = lbuf->continuation ? strlen(lbuf->continuation) : 0; + if (lbuf->cols <= lbuf->indent + len + 20) { + lbuf->buf[lbuf->len] = '\0'; + lbuf->output(lbuf->buf); + if (lbuf->buf[lbuf->len - 1] != '\n') + lbuf->output("\n"); + goto done; + } + + /* Print each line in the buffer */ + for (cp = lbuf->buf; cp != NULL && *cp != '\0'; ) { + if (*cp == '\n') { + lbuf->output("\n"); + cp++; + } else { + len = lbuf->len - (size_t)(cp - lbuf->buf); + if ((ep = memchr(cp, '\n', len)) != NULL) + len = (size_t)(ep - cp); + if (len) + sudo_lbuf_println(lbuf, cp, len); + cp = ep ? ep + 1 : NULL; + } + } + +done: + lbuf->len = 0; /* reset the buffer for re-use. */ + lbuf->error = 0; + + debug_return; +} + +bool +sudo_lbuf_error_v1(struct sudo_lbuf *lbuf) +{ + if (lbuf != NULL && lbuf->error != 0) + return true; + return false; +} + +void +sudo_lbuf_clearerr_v1(struct sudo_lbuf *lbuf) +{ + if (lbuf != NULL) + lbuf->error = 0; +} diff --git a/lib/util/localtime_r.c b/lib/util/localtime_r.c new file mode 100644 index 0000000..180c890 --- /dev/null +++ b/lib/util/localtime_r.c @@ -0,0 +1,49 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_LOCALTIME_R + +#include <sys/types.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* + * Fake localtime_r() that just stores the result. + * Still has the normal localtime() side effects. + */ +struct tm * +sudo_localtime_r(const time_t *timer, struct tm *result) +{ + struct tm *tm; + + if ((tm = localtime(timer)) == NULL) + return NULL; + memcpy(result, tm, sizeof(struct tm)); + + return result; +} +#endif /* HAVE_LOCALTIME_T */ diff --git a/lib/util/locking.c b/lib/util/locking.c new file mode 100644 index 0000000..a6bce60 --- /dev/null +++ b/lib/util/locking.c @@ -0,0 +1,143 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1999-2005, 2007, 2009-2015 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_debug.h> + +bool +sudo_lock_file_v1(int fd, int type) +{ + return sudo_lock_region_v1(fd, type, 0); +} + +/* + * Lock/unlock all or part of a file. + */ +#ifdef HAVE_LOCKF +bool +sudo_lock_region_v1(int fd, int type, off_t len) +{ + int op, rc; + off_t oldpos = -1; + debug_decl(sudo_lock_region, SUDO_DEBUG_UTIL); + + switch (type) { + case SUDO_LOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: lock %d:%lld", + __func__, fd, (long long)len); + op = F_LOCK; + break; + case SUDO_TLOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: tlock %d:%lld", + __func__, fd, (long long)len); + op = F_TLOCK; + break; + case SUDO_UNLOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: unlock %d:%lld", + __func__, fd, (long long)len); + op = F_ULOCK; + /* Must seek to start of file to unlock the entire thing. */ + if (len == 0 && (oldpos = lseek(fd, 0, SEEK_CUR)) != -1) { + if (lseek(fd, 0, SEEK_SET) == -1) { + sudo_debug_printf( + SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to seek to beginning"); + } + } + break; + default: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: bad lock type %d", + __func__, type); + errno = EINVAL; + debug_return_bool(false); + } + rc = lockf(fd, op, len); + if (oldpos != -1) { + if (lseek(fd, oldpos, SEEK_SET) == -1) { + sudo_debug_printf( + SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to restore offset"); + } + } + debug_return_bool(rc == 0); +} +#else +bool +sudo_lock_region_v1(int fd, int type, off_t len) +{ + struct flock lock; + int func; + debug_decl(sudo_lock_file, SUDO_DEBUG_UTIL); + + switch (type) { + case SUDO_LOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: lock %d:%lld", + __func__, fd, (long long)len); + lock.l_type = F_WRLCK; + func = F_SETLKW; + break; + case SUDO_TLOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: tlock %d:%lld", + __func__, fd, (long long)len); + lock.l_type = F_WRLCK; + func = F_SETLK; + break; + case SUDO_UNLOCK: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: unlock %d:%lld", + __func__, fd, (long long)len); + lock.l_type = F_UNLCK; + func = F_SETLK; + break; + default: + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: bad lock type %d", + __func__, type); + errno = EINVAL; + debug_return_bool(false); + } + lock.l_start = 0; + lock.l_len = len; + lock.l_pid = 0; + lock.l_whence = len ? SEEK_CUR : SEEK_SET; + + debug_return_bool(fcntl(fd, func, &lock) == 0); +} +#endif diff --git a/lib/util/logfac.c b/lib/util/logfac.c new file mode 100644 index 0000000..cb9c3ce --- /dev/null +++ b/lib/util/logfac.c @@ -0,0 +1,90 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1999-2005, 2007-2019 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <string.h> +#include <syslog.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * For converting between syslog numbers and strings. + */ +struct strmap { + const char *name; + int num; +}; + +static const struct strmap facilities[] = { +#ifdef LOG_AUTHPRIV + { "authpriv", LOG_AUTHPRIV }, +#endif + { "auth", LOG_AUTH }, + { "daemon", LOG_DAEMON }, + { "user", LOG_USER }, + { "local0", LOG_LOCAL0 }, + { "local1", LOG_LOCAL1 }, + { "local2", LOG_LOCAL2 }, + { "local3", LOG_LOCAL3 }, + { "local4", LOG_LOCAL4 }, + { "local5", LOG_LOCAL5 }, + { "local6", LOG_LOCAL6 }, + { "local7", LOG_LOCAL7 }, + { NULL, -1 } +}; + +bool +sudo_str2logfac_v1(const char *str, int *logfac) +{ + const struct strmap *fac; + debug_decl(sudo_str2logfac, SUDO_DEBUG_UTIL); + + for (fac = facilities; fac->name != NULL; fac++) { + if (strcmp(str, fac->name) == 0) { + *logfac = fac->num; + debug_return_bool(true); + } + } + debug_return_bool(false); +} + +const char * +sudo_logfac2str_v1(int num) +{ + const struct strmap *fac; + debug_decl(sudo_logfac2str, SUDO_DEBUG_UTIL); + + for (fac = facilities; fac->name != NULL; fac++) { + if (fac->num == num) + break; + } + debug_return_const_str(fac->name); +} diff --git a/lib/util/logpri.c b/lib/util/logpri.c new file mode 100644 index 0000000..3fd1f6c --- /dev/null +++ b/lib/util/logpri.c @@ -0,0 +1,85 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1999-2005, 2007-2019 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <string.h> +#include <syslog.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * For converting between syslog numbers and strings. + */ +struct strmap { + const char *name; + int num; +}; + +static const struct strmap priorities[] = { + { "alert", LOG_ALERT }, + { "crit", LOG_CRIT }, + { "debug", LOG_DEBUG }, + { "emerg", LOG_EMERG }, + { "err", LOG_ERR }, + { "info", LOG_INFO }, + { "notice", LOG_NOTICE }, + { "warning", LOG_WARNING }, + { "none", -1 }, + { NULL, -1 } +}; + +bool +sudo_str2logpri_v1(const char *str, int *logpri) +{ + const struct strmap *pri; + debug_decl(sudo_str2logpri, SUDO_DEBUG_UTIL); + + for (pri = priorities; pri->name != NULL; pri++) { + if (strcmp(str, pri->name) == 0) { + *logpri = pri->num; + debug_return_bool(true); + } + } + debug_return_bool(false); +} + +const char * +sudo_logpri2str_v1(int num) +{ + const struct strmap *pri; + debug_decl(sudo_logpri2str, SUDO_DEBUG_UTIL); + + for (pri = priorities; pri->name != NULL; pri++) { + if (pri->num == num) + break; + } + debug_return_const_str(pri->name); +} diff --git a/lib/util/memrchr.c b/lib/util/memrchr.c new file mode 100644 index 0000000..0a042e4 --- /dev/null +++ b/lib/util/memrchr.c @@ -0,0 +1,51 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2007, 2010-2014 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_MEMRCHR + +#include <sys/types.h> + +#include <sudo_compat.h> + +/* + * Reverse memchr() + * Find the last occurrence of 'c' in the buffer 's' of size 'n'. + */ +void * +sudo_memrchr(const void *s, int c, size_t n) +{ + const unsigned char *cp; + + if (n != 0) { + cp = (unsigned char *)s + n; + do { + if (*(--cp) == (unsigned char)c) + return (void *)cp; + } while (--n != 0); + } + return (void *)0; +} +#endif /* HAVE_MEMRCHR */ diff --git a/lib/util/mkdir_parents.c b/lib/util/mkdir_parents.c new file mode 100644 index 0000000..b483748 --- /dev/null +++ b/lib/util/mkdir_parents.c @@ -0,0 +1,199 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif /* HAVE_STDBOOL_H */ +#include <string.h> +#include <unistd.h> +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +#ifndef O_NOFOLLOW +# define O_NOFOLLOW 0 +#endif + +/* + * Returns true if fd is a directory, else false. + * Warns on failure if not quiet. + */ +static bool +is_dir(int dfd, const char *name, int namelen, bool quiet) +{ + struct stat sb; + debug_decl(is_dir, SUDO_DEBUG_UTIL); + + if (fstat(dfd, &sb) != 0) { + if (!quiet) { + sudo_warn(U_("unable to stat %.*s"), namelen, name); + } + debug_return_bool(false); + } + if (!S_ISDIR(sb.st_mode)) { + if (!quiet) { + sudo_warnx(U_("%.*s exists but is not a directory (0%o)"), + namelen, name, (unsigned int) sb.st_mode); + } + debug_return_bool(false); + } + + debug_return_bool(true); +} + +/* + * Create any parent directories needed by path (but not path itself) + * and return an open fd for the parent directory or -1 on error. + */ +int +sudo_open_parent_dir_v1(const char *path, uid_t uid, gid_t gid, mode_t mode, + bool quiet) +{ + const char *cp, *ep, *pathend; + char name[PATH_MAX]; + int parentfd; + debug_decl(sudo_open_parent_dir, SUDO_DEBUG_UTIL); + + /* Starting parent dir is either root or cwd. */ + cp = path; + if (*cp == '/') { + do { + cp++; + } while (*cp == '/'); + parentfd = open("/", O_RDONLY|O_NONBLOCK); + } else { + parentfd = open(".", O_RDONLY|O_NONBLOCK); + } + if (parentfd == -1) { + if (!quiet) + sudo_warn(U_("unable to open %s"), *path == '/' ? "/" : "."); + debug_return_int(-1); + } + + /* Iterate over path components, skipping the last one. */ + pathend = cp + strlen(cp); + for (cp = sudo_strsplit(cp, pathend, "/", &ep); cp != NULL && ep < pathend; + cp = sudo_strsplit(NULL, pathend, "/", &ep)) { + size_t len = (size_t)(ep - cp); + int dfd; + + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "mkdir %.*s, mode 0%o, uid %d, gid %d", (int)(ep - path), path, + (unsigned int)mode, (int)uid, (int)gid); + if (len >= sizeof(name)) { + errno = ENAMETOOLONG; + if (!quiet) + sudo_warn(U_("unable to mkdir %.*s"), (int)(ep - path), path); + goto bad; + } + memcpy(name, cp, len); + name[len] = '\0'; +reopen: + dfd = openat(parentfd, name, O_RDONLY|O_NONBLOCK, 0); + if (dfd == -1) { + if (errno != ENOENT) { + if (!quiet) { + sudo_warn(U_("unable to open %.*s"), + (int)(ep - path), path); + } + goto bad; + } + if (mkdirat(parentfd, name, mode) == 0) { + dfd = openat(parentfd, name, O_RDONLY|O_NONBLOCK|O_NOFOLLOW, 0); + if (dfd == -1) { + if (!quiet) { + sudo_warn(U_("unable to open %.*s"), + (int)(ep - path), path); + } + goto bad; + } + /* Make sure the path we created is still a directory. */ + if (!is_dir(dfd, path, (int)(ep - path), quiet)) { + close(dfd); + goto bad; + } + if (uid != (uid_t)-1 && gid != (gid_t)-1) { + if (fchown(dfd, uid, gid) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: unable to chown %d:%d %.*s", __func__, + (int)uid, (int)gid, (int)(ep - path), path); + } + } + } else { + if (errno == EEXIST) + goto reopen; + if (!quiet) { + sudo_warn(U_("unable to mkdir %.*s"), + (int)(ep - path), path); + } + goto bad; + } + } else { + /* Already exists, make sure it is a directory. */ + if (!is_dir(dfd, path, (int)(ep - path), quiet)) { + close(dfd); + goto bad; + } + } + close(parentfd); + parentfd = dfd; + } + + debug_return_int(parentfd); +bad: + if (parentfd != -1) + close(parentfd); + debug_return_int(-1); +} + +/* + * Create any parent directories needed by path (but not path itself). + * Not currently used. + */ +bool +sudo_mkdir_parents_v1(const char *path, uid_t uid, gid_t gid, mode_t mode, + bool quiet) +{ + int fd; + debug_decl(sudo_mkdir_parents, SUDO_DEBUG_UTIL); + + fd = sudo_open_parent_dir(path, uid, gid, mode, quiet); + if (fd == -1) + debug_return_bool(false); + close(fd); + debug_return_bool(true); +} diff --git a/lib/util/mkdirat.c b/lib/util/mkdirat.c new file mode 100644 index 0000000..18649b1 --- /dev/null +++ b/lib/util/mkdirat.c @@ -0,0 +1,61 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015, 2019-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_MKDIRAT +int +sudo_mkdirat(int dfd, const char *path, mode_t mode) +{ + int ret, odfd; + + if (dfd == (int)AT_FDCWD) + return mkdir(path, mode); + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + return -1; + + if (fchdir(dfd) == -1) { + close(odfd); + return -1; + } + + ret = mkdir(path, mode); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + ret = -1; + } + close(odfd); + + return ret; +} +#endif /* HAVE_MKDIRAT */ diff --git a/lib/util/mksiglist.c b/lib/util/mksiglist.c new file mode 100644 index 0000000..6495e22 --- /dev/null +++ b/lib/util/mksiglist.c @@ -0,0 +1,57 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010-2012, 2015, 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + + +#include <config.h> + +#include <stdlib.h> +#include <signal.h> + +#include <sudo_compat.h> + +sudo_dso_public int main(int argc, char *argv[]); + +int +main(int argc, char *argv[]) +{ + unsigned int i; + +#include "mksiglist.h" + + /* + * For portability we must not use %zu below. + * This program is compiled with the host C compiler, + * so it cannot use any of the functions in libsudo_util. + */ + puts("const char *const sudo_sys_siglist[] = {"); + for (i = 0; i < NSIG; i++) { + if (sudo_sys_siglist[i] != NULL) { + printf(" \"%s\",\n", sudo_sys_siglist[i]); + } else { + printf(" \"Signal %u\",\n", i); + } + } + puts("};"); + + return EXIT_SUCCESS; +} diff --git a/lib/util/mksigname.c b/lib/util/mksigname.c new file mode 100644 index 0000000..1b51199 --- /dev/null +++ b/lib/util/mksigname.c @@ -0,0 +1,57 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010-2012, 2015, 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + + +#include <config.h> + +#include <stdlib.h> +#include <signal.h> + +#include <sudo_compat.h> + +sudo_dso_public int main(int argc, char *argv[]); + +int +main(int argc, char *argv[]) +{ + unsigned int i; + +#include "mksigname.h" + + /* + * For portability we must not use %zu below. + * This program is compiled with the host C compiler, + * so it cannot use any of the functions in libsudo_util. + */ + puts("const char *const sudo_sys_signame[] = {"); + for (i = 0; i < NSIG; i++) { + if (sudo_sys_signame[i] != NULL) { + printf(" \"%s\",\n", sudo_sys_signame[i]); + } else { + printf(" \"Signal %u\",\n", i); + } + } + puts("};"); + + return EXIT_SUCCESS; +} diff --git a/lib/util/mktemp.c b/lib/util/mktemp.c new file mode 100644 index 0000000..08f289a --- /dev/null +++ b/lib/util/mktemp.c @@ -0,0 +1,172 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2001, 2003, 2004, 2008-2011, 2013, 2015, 2017, 2018, 2022 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#if (!defined(HAVE_MKDTEMPAT) && !defined(HAVE_MKDTEMPAT_NP)) || \ + (!defined(HAVE_MKOSTEMPSAT) && !defined(HAVE_MKOSTEMPSAT_NP)) + +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <string.h> +#include <ctype.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_rand.h> +#include <pathnames.h> + +#define MKTEMP_FILE 1 +#define MKTEMP_DIR 2 + +#define TEMPCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" +#define NUM_CHARS (sizeof(TEMPCHARS) - 1) +#define MIN_X 6 + +#define MKOTEMP_FLAGS (O_APPEND | O_CLOEXEC | O_SYNC) + +static int +mktemp_internal(int dfd, char *path, int slen, int mode, int flags) +{ + char *start, *cp, *ep; + const char tempchars[] = TEMPCHARS; + unsigned int tries; + size_t len; + int fd; + + len = strlen(path); + if (len < MIN_X || slen < 0 || (size_t)slen > len - MIN_X) { + errno = EINVAL; + return -1; + } + ep = path + len - slen; + + for (start = ep; start > path && start[-1] == 'X'; start--) + ; + if (ep - start < MIN_X) { + errno = EINVAL; + return -1; + } + + if (flags & ~MKOTEMP_FLAGS) { + errno = EINVAL; + return -1; + } + flags |= O_CREAT | O_EXCL | O_RDWR; + + tries = INT_MAX; + do { + cp = start; + do { + unsigned short rbuf[16]; + size_t i; + + /* + * Avoid lots of arc4random() calls by using + * a buffer sized for up to 16 Xs at a time. + */ + arc4random_buf(rbuf, sizeof(rbuf)); + for (i = 0; i < nitems(rbuf) && cp != ep; i++) + *cp++ = tempchars[rbuf[i] % NUM_CHARS]; + } while (cp != ep); + + switch (mode) { + case MKTEMP_FILE: + fd = openat(dfd, path, flags, S_IRUSR|S_IWUSR); + if (fd != -1 || errno != EEXIST) + return fd; + break; + case MKTEMP_DIR: + if (mkdirat(dfd, path, S_IRWXU) == 0) + return 0; + if (errno != EEXIST) + return -1; + break; + } + } while (--tries); + + errno = EEXIST; + return -1; +} + +char * +sudo_mkdtemp(char *path) +{ + if (mktemp_internal(AT_FDCWD, path, 0, MKTEMP_DIR, 0) == -1) + return NULL; + return path; +} + +char * +sudo_mkdtempat(int dfd, char *path) +{ + if (mktemp_internal(dfd, path, 0, MKTEMP_DIR, 0) == -1) + return NULL; + return path; +} + +int +sudo_mkostempsat(int dfd, char *path, int slen, int flags) +{ + return mktemp_internal(dfd, path, slen, MKTEMP_FILE, flags); +} + +#ifdef notyet +int +sudo_mkostemps(char *path, int slen, int flags) +{ + return mktemp_internal(AT_FDCWD, path, slen, MKTEMP_FILE, flags); +} +#endif + +int +sudo_mkstemp(char *path) +{ + return mktemp_internal(AT_FDCWD, path, 0, MKTEMP_FILE, 0); +} + +#ifdef notyet +int +sudo_mkostemp(char *path, int flags) +{ + return mktemp_internal(AT_FDCWD, path, 0, MKTEMP_FILE, flags); +} +#endif + +int +sudo_mkstemps(char *path, int slen) +{ + return mktemp_internal(AT_FDCWD, path, slen, MKTEMP_FILE, 0); +} +#endif /* !HAVE_MKDTEMPAT || !HAVE_MKOSTEMPSAT */ diff --git a/lib/util/mmap_alloc.c b/lib/util/mmap_alloc.c new file mode 100644 index 0000000..b587338 --- /dev/null +++ b/lib/util/mmap_alloc.c @@ -0,0 +1,160 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net> + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/mman.h> + +#include <errno.h> +#include <limits.h> +#include <string.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> + +#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) +# define MAP_ANON MAP_ANONYMOUS +#endif + +#ifndef MAP_FAILED +# define MAP_FAILED ((void *)-1) +#endif + +/* + * This is sqrt(SIZE_MAX+1), as s1*s2 <= SIZE_MAX + * if both s1 < MUL_NO_OVERFLOW and s2 < MUL_NO_OVERFLOW + */ +#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4)) + +/* + * Allocate "size" bytes via mmap(). + * Space is allocated to store the size for later unmapping. + */ +void * +sudo_mmap_alloc_v1(size_t size) +{ + void *ptr; + unsigned long *ulp; +#ifndef MAP_ANON + int fd; + + /* SunOS-style mmap allocation using /dev/zero. */ + if ((fd = open("/dev/zero", O_RDWR)) == -1) + return NULL; + size += sizeof(unsigned long); + ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); + close(fd); +#else + size += sizeof(unsigned long); + ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); +#endif + if (ptr == MAP_FAILED) { + errno = ENOMEM; + return NULL; + } + + /* Store size before the actual data. */ + ulp = (unsigned long *)ptr; + ulp[0] = size; + return (void *)&ulp[1]; +} + +/* + * Allocate "nmemb" elements of "size" bytes via mmap(). + * If overflow would occur, errno is set to ENOMEM and + * NULL is returned. + */ +void * +sudo_mmap_allocarray_v1(size_t nmemb, size_t size) +{ + if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && + nmemb > 0 && SIZE_MAX / nmemb < size) { + errno = ENOMEM; + return NULL; + } + return sudo_mmap_alloc_v1(nmemb * size); +} + +/* + * Make a copy of "str" via mmap() and return it. + */ +char * +sudo_mmap_strdup_v1(const char *str) +{ + size_t len = strlen(str); + char *newstr; + + if (len == SIZE_MAX) { + errno = ENOMEM; + return NULL; + } + newstr = sudo_mmap_alloc_v1(len + 1); + if (newstr != NULL) { + memcpy(newstr, str, len); + newstr[len] = '\0'; + } + + return newstr; +} + +/* + * Set the page permissions for the allocation represented by "ptr" to + * read-only. Returns 0 on success, -1 on failure. + */ +int +sudo_mmap_protect_v1(void *ptr) +{ + if (ptr != NULL) { + unsigned long *ulp = ptr; + const unsigned long size = ulp[-1]; + return mprotect((void *)&ulp[-1], size, PROT_READ); + } + + /* Can't protect NULL. */ + errno = EINVAL; + return -1; +} + +/* + * Free "ptr" allocated by sudo_mmap_alloc(). + * The allocated size is stored (as unsigned long) in ptr[-1]. + */ +void +sudo_mmap_free_v1(void *ptr) +{ + if (ptr != NULL) { + unsigned long *ulp = (unsigned long *)ptr - 1; + const unsigned long size = ulp[0]; + int saved_errno = errno; + + (void)munmap((void *)ulp, size); + errno = saved_errno; + } +} diff --git a/lib/util/multiarch.c b/lib/util/multiarch.c new file mode 100644 index 0000000..0b79de5 --- /dev/null +++ b/lib/util/multiarch.c @@ -0,0 +1,103 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifdef __linux__ +# include <sys/stat.h> +# include <sys/utsname.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +# if defined(__linux__) +/* + * On Linux systems that use multi-arch, the actual DSO may be in a + * machine-specific subdirectory. If the specified path contains + * /lib/ or /libexec/, insert a multi-arch directory after it. + * If sb is non-NULL, stat(2) will be called on the new path, filling in sb. + * Returns a dynamically allocated string on success and NULL on failure. + */ +char * +sudo_stat_multiarch_v1(const char *path, struct stat *sb) +{ +# if defined(__ILP32__) + const char *libdirs[] = { "/libx32/", "/lib/", "/libexec/", NULL }; +# elif defined(__LP64__) + const char *libdirs[] = { "/lib64/", "/lib/", "/libexec/", NULL }; +# else + const char *libdirs[] = { "/lib32/", "/lib/", "/libexec/", NULL }; +# endif + const char **lp, *lib, *slash; + struct utsname unamebuf; + char *newpath = NULL; + size_t len; + + if (uname(&unamebuf) == -1) + return NULL; + + for (lp = libdirs; *lp != NULL; lp++) { + /* Replace lib64, lib32, libx32 with lib in new path. */ + const char *newlib = lp == libdirs ? "/lib/" : *lp; + + /* Search for lib dir in path, find the trailing slash. */ + lib = strstr(path, *lp); + if (lib == NULL) + continue; + slash = lib + strlen(*lp) - 1; + + /* Make sure there isn't already a machine-linux-gnu dir. */ + len = strcspn(slash + 1, "/-"); + if (strncmp(slash + 1 + len, "-linux-gnu/", 11) == 0) { + /* Multiarch already present. */ + break; + } + + /* Add machine-linux-gnu dir after /lib/ or /libexec/. */ + if (asprintf(&newpath, "%.*s%s%s-linux-gnu%s", + (int)(lib - path), path, newlib, unamebuf.machine, slash) == -1) { + newpath = NULL; + break; + } + + /* If sb was set, use stat(2) to make sure newpath exists. */ + if (sb == NULL || stat(newpath, sb) == 0) + break; + free(newpath); + newpath = NULL; + } + + return newpath; +} +#else +char * +sudo_stat_multiarch_v1(const char *path, struct stat *sb) +{ + return NULL; +} +#endif /* __linux__ */ diff --git a/lib/util/nanosleep.c b/lib/util/nanosleep.c new file mode 100644 index 0000000..84c41b8 --- /dev/null +++ b/lib/util/nanosleep.c @@ -0,0 +1,74 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2011, 2013, 2017-2018, 2023 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_NANOSLEEP + +#include <sys/types.h> +#include <sys/time.h> +#ifdef HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif /* HAVE_SYS_SELECT_H */ +#include <time.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +int +sudo_nanosleep(const struct timespec *timeout, struct timespec *remainder) +{ + struct timespec endtime, now; + struct timeval tv; + int rval; + + if (timeout->tv_sec == 0 && timeout->tv_nsec < 1000) { + tv.tv_sec = 0; + tv.tv_usec = 1; + } else { + TIMESPEC_TO_TIMEVAL(&tv, timeout); + } + if (remainder != NULL) { + if (sudo_gettime_real(&endtime) == -1) + return -1; + sudo_timespecadd(&endtime, timeout, &endtime); + } + rval = select(0, NULL, NULL, NULL, &tv); + if (remainder != NULL) { + if (rval == 0) { + /* Timeout expired, no remaining time. */ + sudo_timespecclear(remainder); + } else if (errno == EINTR) { + /* Interrupted, compute remaining time. */ + if (sudo_gettime_real(&now) == -1) + return -1; + sudo_timespecsub(&endtime, &now, remainder); + if (remainder->tv_sec < 0 || remainder->tv_nsec < 0) + sudo_timespecclear(remainder); + } + } + return rval; +} +#endif /* HAVE_NANOSLEEP */ diff --git a/lib/util/openat.c b/lib/util/openat.c new file mode 100644 index 0000000..b748be9 --- /dev/null +++ b/lib/util/openat.c @@ -0,0 +1,63 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015, 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_OPENAT +int +sudo_openat(int dfd, const char *path, int flags, mode_t mode) +{ + int fd, odfd; + + if (dfd == AT_FDCWD) + return open(path, flags, mode); + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + return -1; + + if (fchdir(dfd) == -1) { + close(odfd); + return -1; + } + + fd = open(path, flags, mode); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + if (fd != -1) { + close(fd); + fd = -1; + } + } + close(odfd); + + return fd; +} +#endif /* HAVE_OPENAT */ diff --git a/lib/util/parseln.c b/lib/util/parseln.c new file mode 100644 index 0000000..ec10d9d --- /dev/null +++ b/lib/util/parseln.c @@ -0,0 +1,130 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2007, 2013-2016 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <ctype.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_debug.h> + +/* + * Read a line of input, honoring line continuation chars. + * Remove comments and strip off leading and trailing spaces. + * Returns the line length and updates the buf and bufsize pointers. + * XXX - just use a struct w/ state, including getdelim buffer? + * could also make comment char and line continuation configurable + */ +ssize_t +sudo_parseln_v2(char **bufp, size_t *bufsizep, unsigned int *lineno, FILE *fp, int flags) +{ + ssize_t len, total = 0; + size_t bufsize, linesize = 0; + char *cp, *line = NULL; + bool continued, comment; + debug_decl(sudo_parseln, SUDO_DEBUG_UTIL); + + do { + comment = false; + continued = false; + len = getdelim(&line, &linesize, '\n', fp); + if (len == -1) + break; + if (lineno != NULL) + (*lineno)++; + + /* Remove trailing newline(s) if present. */ + while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r')) + line[--len] = '\0'; + + /* Remove comments or check for line continuation (but not both) */ + if ((cp = strchr(line, '#')) != NULL) { + if (cp == line || !ISSET(flags, PARSELN_COMM_BOL)) { + *cp = '\0'; + len = (ssize_t)(cp - line); + comment = true; + } + } + if (!comment && !ISSET(flags, PARSELN_CONT_IGN)) { + if (len > 0 && line[len - 1] == '\\' && (len == 1 || line[len - 2] != '\\')) { + line[--len] = '\0'; + continued = true; + } + } + + /* Trim leading and trailing whitespace */ + if (!continued) { + while (len > 0 && isblank((unsigned char)line[len - 1])) + line[--len] = '\0'; + } + for (cp = line; isblank((unsigned char)*cp); cp++) + len--; + + bufsize = (size_t)(total + len + 1); + if (*bufp == NULL || bufsize > *bufsizep) { + const size_t newsize = sudo_pow2_roundup(bufsize); + void *newbuf; + + if (newsize < bufsize) { + /* overflow */ + errno = ENOMEM; + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to allocate memory"); + len = -1; + total = 0; + break; + } + if ((newbuf = realloc(*bufp, newsize)) == NULL) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to allocate memory"); + len = -1; + total = 0; + break; + } + *bufp = newbuf; + *bufsizep = newsize; + } + memcpy(*bufp + total, cp, (size_t)(len + 1)); + total += len; + } while (continued); + free(line); + if (len == -1 && total == 0) + debug_return_ssize_t(-1); + debug_return_ssize_t(total); +} + +ssize_t +sudo_parseln_v1(char **bufp, size_t *bufsizep, unsigned int *lineno, FILE *fp) +{ + return sudo_parseln_v2(bufp, bufsizep, lineno, fp, 0); +} diff --git a/lib/util/pipe2.c b/lib/util/pipe2.c new file mode 100644 index 0000000..1ffcad0 --- /dev/null +++ b/lib/util/pipe2.c @@ -0,0 +1,64 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2017 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_PIPE2 + +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +int +sudo_pipe2(int fildes[2], int flags) +{ + if (pipe(fildes) != 0) + return -1; + + if (ISSET(flags, O_CLOEXEC)) { + if (fcntl(fildes[0], F_SETFD, FD_CLOEXEC) == -1) + goto bad; + if (fcntl(fildes[1], F_SETFD, FD_CLOEXEC) == -1) + goto bad; + } + if (ISSET(flags, O_NONBLOCK)) { + int oflags = fcntl(fildes[0], F_GETFL, 0); + if (oflags == -1) + goto bad; + if (fcntl(fildes[0], F_SETFL, oflags | O_NONBLOCK) == -1) + goto bad; + oflags = fcntl(fildes[1], F_GETFL, 0); + if (oflags == -1) + goto bad; + if (fcntl(fildes[1], F_SETFL, oflags | O_NONBLOCK) == -1) + goto bad; + } + return 0; +bad: + close(fildes[0]); + close(fildes[1]); + return -1; +} + +#endif /* HAVE_PIPE2 */ diff --git a/lib/util/pread.c b/lib/util/pread.c new file mode 100644 index 0000000..a8a4774 --- /dev/null +++ b/lib/util/pread.c @@ -0,0 +1,48 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <errno.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#if !defined(HAVE_PREAD) && !defined(HAVE_PREAD64) +ssize_t +sudo_pread(int fd, void *buf, size_t nbytes, off_t offset) +{ + ssize_t nread; + off_t old_offset; + + old_offset = lseek(fd, (off_t)0, SEEK_CUR); + if (old_offset == -1 || lseek(fd, offset, SEEK_SET) == -1) + return -1; + + nread = read(fd, buf, nbytes); + if (lseek(fd, old_offset, SEEK_SET) == -1) + return -1; + + return nread; +} +#endif /* !HAVE_PREAD && !HAVE_PREAD64 */ diff --git a/lib/util/progname.c b/lib/util/progname.c new file mode 100644 index 0000000..9355b6a --- /dev/null +++ b/lib/util/progname.c @@ -0,0 +1,100 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015, 2020-2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* + * Declare/define __progname[] if necessary. + * Assumes __progname[] is present if we have getprogname(3). + */ +#ifndef HAVE_SETPROGNAME +# if defined(HAVE_GETPROGNAME) || defined(HAVE___PROGNAME) +extern const char *__progname; +# else +static const char *__progname = ""; +# endif /* HAVE_GETPROGNAME || HAVE___PROGNAME */ +#endif /* HAVE_SETPROGNAME */ + +#ifndef HAVE_GETPROGNAME +const char * +sudo_getprogname(void) +{ + return __progname; +} +#endif + +#ifndef HAVE_SETPROGNAME +void +sudo_setprogname(const char *name) +{ + __progname = sudo_basename(name); +} +#endif + +void +initprogname2(const char *name, const char * const * allowed) +{ + const char *progname; + size_t i; + + /* Fall back on "name" if getprogname() returns an empty string. */ + if ((progname = getprogname()) != NULL && *progname != '\0') { + name = progname; + } else { + /* Make sure user-specified name is relative. */ + name = sudo_basename(name); + } + + /* Check for libtool prefix and strip it if present. */ + if (name[0] == 'l' && name[1] == 't' && name[2] == '-' && name[3] != '\0') + name += 3; + + /* Check allow list if present (first element is the default). */ + if (allowed != NULL) { + for (i = 0; ; i++) { + if (allowed[i] == NULL) { + name = allowed[0]; + break; + } + if (strcmp(allowed[i], name) == 0) + break; + } + } + + /* Update internal progname if needed. */ + if (name != progname) + setprogname(name); + return; +} + +void +initprogname(const char *name) +{ + initprogname2(name, NULL); +} diff --git a/lib/util/pw_dup.c b/lib/util/pw_dup.c new file mode 100644 index 0000000..d643b5b --- /dev/null +++ b/lib/util/pw_dup.c @@ -0,0 +1,99 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2000, 2002, 2012-2014 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_PW_DUP + +#include <stdlib.h> +#include <string.h> +#include <pwd.h> + +#include <sudo_compat.h> + +#define PW_SIZE(name, size) \ +do { \ + if (pw->name) { \ + size = strlen(pw->name) + 1; \ + total += size; \ + } \ +} while (0) + +#define PW_COPY(name, size) \ +do { \ + if (pw->name) { \ + (void)memcpy(cp, pw->name, size); \ + newpw->name = cp; \ + cp += size; \ + } \ +} while (0) + +struct passwd * +sudo_pw_dup(const struct passwd *pw) +{ + size_t nsize = 0, psize = 0, gsize = 0, dsize = 0, ssize = 0, total; +#ifdef HAVE_LOGIN_CAP_H + size_t csize = 0; +#endif + struct passwd *newpw; + char *cp; + + /* Allocate in one big chunk for easy freeing */ + total = sizeof(struct passwd); + PW_SIZE(pw_name, nsize); + PW_SIZE(pw_passwd, psize); +#ifdef HAVE_LOGIN_CAP_H + PW_SIZE(pw_class, csize); +#endif + PW_SIZE(pw_gecos, gsize); + PW_SIZE(pw_dir, dsize); + PW_SIZE(pw_shell, ssize); + + if ((cp = malloc(total)) == NULL) + return NULL; + newpw = (struct passwd *)cp; + + /* + * Copy in passwd contents and make strings relative to space + * at the end of the buffer. + */ + (void)memcpy(newpw, pw, sizeof(struct passwd)); + cp += sizeof(struct passwd); + + PW_COPY(pw_name, nsize); + PW_COPY(pw_passwd, psize); +#ifdef HAVE_LOGIN_CAP_H + PW_COPY(pw_class, csize); +#endif + PW_COPY(pw_gecos, gsize); + PW_COPY(pw_dir, dsize); + PW_COPY(pw_shell, ssize); + + return newpw; +} +#endif /* HAVE_PW_DUP */ diff --git a/lib/util/pwrite.c b/lib/util/pwrite.c new file mode 100644 index 0000000..24dba6c --- /dev/null +++ b/lib/util/pwrite.c @@ -0,0 +1,48 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <errno.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#if !defined(HAVE_PWRITE) && !defined(HAVE_PWRITE64) +ssize_t +sudo_pwrite(int fd, const void *buf, size_t nbytes, off_t offset) +{ + ssize_t nwritten; + off_t old_offset; + + old_offset = lseek(fd, (off_t)0, SEEK_CUR); + if (old_offset == -1 || lseek(fd, offset, SEEK_SET) == -1) + return -1; + + nwritten = write(fd, buf, nbytes); + if (lseek(fd, old_offset, SEEK_SET) == -1) + return -1; + + return nwritten; +} +#endif /* HAVE_PWRITE && !HAVE_PWRITE64 */ diff --git a/lib/util/rcstr.c b/lib/util/rcstr.c new file mode 100644 index 0000000..1fefbad --- /dev/null +++ b/lib/util/rcstr.c @@ -0,0 +1,103 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2016-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* Trivial reference-counted strings. */ +struct rcstr { + int refcnt; + char str[]; +}; + +/* + * Allocate a reference-counted string and copy src to it. + * Returns the newly-created string with a refcnt of 1. + */ +char * +sudo_rcstr_dup(const char *src) +{ + size_t len = strlen(src); + char *dst; + debug_decl(sudo_rcstr_dup, SUDO_DEBUG_UTIL); + + dst = sudo_rcstr_alloc(len); + if (dst != NULL) { + memcpy(dst, src, len); + dst[len] = '\0'; + } + debug_return_ptr(dst); +} + +char * +sudo_rcstr_alloc(size_t len) +{ + struct rcstr *rcs; + debug_decl(sudo_rcstr_dup, SUDO_DEBUG_UTIL); + + rcs = malloc(sizeof(struct rcstr) + len + 1); + if (rcs == NULL) + return NULL; + + rcs->refcnt = 1; + rcs->str[0] = '\0'; + /* cppcheck-suppress memleak */ + debug_return_ptr(rcs->str); // -V773 +} + +char * +sudo_rcstr_addref(const char *s) +{ + struct rcstr *rcs; + debug_decl(sudo_rcstr_dup, SUDO_DEBUG_UTIL); + + if (s == NULL) + debug_return_ptr(NULL); + + rcs = __containerof((const void *)s, struct rcstr, str); + rcs->refcnt++; + debug_return_ptr(rcs->str); +} + +void +sudo_rcstr_delref(const char *s) +{ + struct rcstr *rcs; + debug_decl(sudo_rcstr_dup, SUDO_DEBUG_UTIL); + + if (s != NULL) { + rcs = __containerof((const void *)s, struct rcstr, str); + if (--rcs->refcnt == 0) { + rcs->str[0] = '\0'; + free(rcs); + } + } + debug_return; +} diff --git a/lib/util/reallocarray.c b/lib/util/reallocarray.c new file mode 100644 index 0000000..63d7882 --- /dev/null +++ b/lib/util/reallocarray.c @@ -0,0 +1,57 @@ +/* $OpenBSD: reallocarray.c,v 1.2 2014/12/08 03:45:00 bcook Exp $ */ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_REALLOCARRAY + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <errno.h> +#include <limits.h> + +#include <sudo_compat.h> + +/* + * This is sqrt(SIZE_MAX+1), as s1*s2 <= SIZE_MAX + * if both s1 < MUL_NO_OVERFLOW and s2 < MUL_NO_OVERFLOW + */ +#define MUL_NO_OVERFLOW ((size_t)1 << (sizeof(size_t) * 4)) + +void * +sudo_reallocarray(void *optr, size_t nmemb, size_t size) +{ + if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) && + nmemb > 0 && SIZE_MAX / nmemb < size) { + errno = ENOMEM; + return NULL; + } + return realloc(optr, size * nmemb); +} + +#endif /* HAVE_REALLOCARRAY */ diff --git a/lib/util/realpath.c b/lib/util/realpath.c new file mode 100644 index 0000000..9e945af --- /dev/null +++ b/lib/util/realpath.c @@ -0,0 +1,205 @@ +/* + * Copyright (c) 1989, 1991, 1993, 1995 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)getcwd.c 8.5 (Berkeley) 2/7/95 + */ + +#include <config.h> + +#ifndef HAVE_REALPATH + +#include <sys/types.h> +#include <sys/stat.h> + +#include <errno.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * char *realpath(const char *path, char *resolved); + * + * Find the real name of path, by removing all ".", ".." and symlink + * components. Returns (resolved) on success, or (NULL) on failure, + * in which case the path which caused trouble is left in (resolved). + */ +char * +sudo_realpath(const char * restrict path, char * restrict resolved) +{ + struct stat sb; + int idx = 0, nlnk = 0; + const char *q; + char *p, wbuf[2][PATH_MAX], *fres = NULL; + static long symloop_max; + size_t len; + ssize_t n; + + if (path == NULL) { + errno = EINVAL; + return NULL; + } + + if (symloop_max == 0) { + if ((symloop_max = sysconf(_SC_SYMLOOP_MAX)) <= 0) + symloop_max = 8; /* POSIX */ + } + + if (resolved == NULL) { + fres = resolved = malloc(PATH_MAX); + if (resolved == NULL) + return NULL; + } + + + /* + * Build real path one by one with paying an attention to ., + * .. and symbolic link. + */ + + /* + * `p' is where we'll put a new component with prepending + * a delimiter. + */ + p = resolved; + + if (*path == '\0') { + *p = '\0'; + errno = ENOENT; + goto out; + } + + /* If relative path, start from current working directory. */ + if (*path != '/') { + if (getcwd(resolved, PATH_MAX) == NULL) { + p[0] = '.'; + p[1] = '\0'; + goto out; + } + len = strlen(resolved); + if (len > 1) + p += len; + } + +loop: + /* Skip any slash. */ + while (*path == '/') + path++; + + if (*path == '\0') { + if (p == resolved) + *p++ = '/'; + *p = '\0'; + return resolved; + } + + /* Find the end of this component. */ + q = path; + do { + q++; + } while (*q != '/' && *q != '\0'); + + /* Test . or .. */ + if (path[0] == '.') { + if (q - path == 1) { + path = q; + goto loop; + } + if (path[1] == '.' && q - path == 2) { + /* Trim the last component. */ + if (p != resolved) + while (*--p != '/') + continue; + path = q; + goto loop; + } + } + + /* Append this component. */ + if (p - resolved + 1 + q - path + 1 > PATH_MAX) { + errno = ENAMETOOLONG; + if (p == resolved) + *p++ = '/'; + *p = '\0'; + goto out; + } + p[0] = '/'; + memcpy(&p[1], path, (size_t)(q - path)); + p[1 + q - path] = '\0'; + + /* + * If this component is a symlink, toss it and prepend link + * target to unresolved path. + */ + if (lstat(resolved, &sb) == -1) + goto out; + + if (S_ISLNK(sb.st_mode)) { + if (nlnk++ >= symloop_max) { + errno = ELOOP; + goto out; + } + n = readlink(resolved, wbuf[idx], sizeof(wbuf[0]) - 1); + if (n < 0) + goto out; + if (n == 0) { + errno = ENOENT; + goto out; + } + + /* Append unresolved path to link target and switch to it. */ + if ((size_t)n + (len = strlen(q)) + 1 > sizeof(wbuf[0])) { + errno = ENAMETOOLONG; + goto out; + } + memcpy(&wbuf[idx][n], q, len + 1); + path = wbuf[idx]; + idx ^= 1; + + /* If absolute symlink, start from root. */ + if (*path == '/') + p = resolved; + goto loop; + } + if (*q == '/' && !S_ISDIR(sb.st_mode)) { + errno = ENOTDIR; + goto out; + } + + /* Advance both resolved and unresolved path. */ + p += 1 + q - path; + path = q; + goto loop; +out: + free(fres); + return NULL; +} +#endif /* HAVE_REALPATH */ diff --git a/lib/util/regex.c b/lib/util/regex.c new file mode 100644 index 0000000..1f91b4d --- /dev/null +++ b/lib/util/regex.c @@ -0,0 +1,194 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <limits.h> +#include <regex.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> +#include <sudo_gettext.h> + +static char errbuf[1024]; + +/* + * Parse a number between 0 and INT_MAX, handling escaped digits. + * Returns the number on success or -1 on error. + * Sets endp to the first non-matching character. + */ +static int +parse_num(const char *str, char **endp) +{ + debug_decl(check_pattern, SUDO_DEBUG_UTIL); + const int lastval = INT_MAX / 10; + const int remainder = INT_MAX % 10; + int result = 0; + char ch; + + while ((ch = *str++) != '\0') { + if (ch == '\\' && isdigit((unsigned char)str[0])) + ch = *str++; + else if (!isdigit((unsigned char)ch)) + break; + ch -= '0'; + if (result > lastval || (result == lastval && ch > remainder)) { + result = -1; + break; + } + result *= 10; + result += ch; + } + *endp = (char *)(str - 1); + + debug_return_int(result); +} + +/* + * Check pattern for invalid repetition sequences. + * This is implementation-specific behavior, not all regcomp(3) forbid them. + * Glibc allows it but uses excessive memory for repeated '+' ops. + */ +static int +check_pattern(const char *pattern) +{ + debug_decl(check_pattern, SUDO_DEBUG_UTIL); + const char *cp = pattern; + int b1, b2 = 0; + char ch, *ep, prev = '\0'; + + while ((ch = *cp++) != '\0') { + switch (ch) { + case '\\': + if (*cp != '\0') { + /* Skip escaped character. */ + cp++; + prev = '\0'; + continue; + } + break; + case '?': + case '*': + case '+': + if (prev == '?' || prev == '*' || prev == '+' || prev == '{' ) { + /* Invalid repetition operator. */ + debug_return_int(REG_BADRPT); + } + break; + case '{': + /* + * Try to match bound: {[0-9\\]*\?,[0-9\\]*} + * GNU libc supports escaped digits and commas. + */ + b1 = parse_num(cp, &ep); + switch (ep[0]) { + case '\\': + if (ep[1] != ',') + break; + ep++; + FALLTHROUGH; + case ',': + cp = ep + 1; + b2 = parse_num(cp, &ep); + break; + } + cp = ep; + if (*cp == '}') { + if (b1 < 0 || b1 > 255 || b2 < 0 || b2 > 255) { + /* Invalid bound value. */ + debug_return_int(REG_BADBR); + } + if (prev == '?' || prev == '*' || prev == '+' || prev == '{' ) { + /* Invalid repetition operator. */ + debug_return_int(REG_BADRPT); + } + /* Skip past '}', prev will be set to '{' below */ + cp++; + break; + } + prev = '\0'; + continue; + } + prev = ch; + } + + debug_return_int(0); +} + +/* + * Wrapper around regcomp() that handles a regex starting with (?i). + * Avoid using regex_t in the function args so we don't need to + * include regex.h everywhere. + */ +bool +sudo_regex_compile_v1(void *v, const char *pattern, const char **errstr) +{ + int errcode, cflags = REG_EXTENDED|REG_NOSUB; + regex_t *preg; + char *copy = NULL; + const char *cp; + regex_t rebuf; + debug_decl(regex_compile, SUDO_DEBUG_UTIL); + + /* Some callers just want to check the validity of the pattern. */ + preg = v ? v : &rebuf; + + /* Limit the length of regular expressions to avoid fuzzer issues. */ + if (strlen(pattern) > 1024) { + *errstr = N_("regular expression too large"); + debug_return_bool(false); + } + + /* Check for (?i) to enable case-insensitive matching. */ + cp = pattern[0] == '^' ? pattern + 1 : pattern; + if (strncmp(cp, "(?i)", 4) == 0) { + cflags |= REG_ICASE; + copy = strdup(pattern + 4); + if (copy == NULL) { + *errstr = N_("unable to allocate memory"); + debug_return_bool(false); + } + if (pattern[0] == '^') + copy[0] = '^'; + pattern = copy; + } + + errcode = check_pattern(pattern); + if (errcode == 0) + errcode = regcomp(preg, pattern, cflags); + if (errcode == 0) { + if (preg == &rebuf) + regfree(&rebuf); + } else { + regerror(errcode, preg, errbuf, sizeof(errbuf)); + *errstr = errbuf; + } + free(copy); + + debug_return_bool(errcode == 0); +} diff --git a/lib/util/regress/closefrom/closefrom_test.c b/lib/util/regress/closefrom/closefrom_test.c new file mode 100644 index 0000000..750c951 --- /dev/null +++ b/lib/util/regress/closefrom/closefrom_test.c @@ -0,0 +1,121 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_closefrom() works as expected. + */ + +int +main(int argc, char *argv[]) +{ + int ch, fds[2], flag, maxfd, minfd, errors = 0, ntests = 0; + initprogname(argc > 0 ? argv[0] : "closefrom_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + /* We use pipe() because it doesn't rely on the filesystem. */ + ntests++; + if (pipe(fds) == -1) { + sudo_warn("%s", "pipe"); + errors++; + goto done; + } + maxfd = MAX(fds[0], fds[1]); + minfd = MIN(fds[0], fds[1]); + + /* Close any fds greater than fds[0] and fds[1]. */ + sudo_closefrom(maxfd + 1); + + /* Verify that sudo_closefrom() didn't close fds[0] or fds[1]. */ + ntests++; + if (fcntl(fds[0], F_GETFL, 0) == -1) { + sudo_warnx("fd %d closed prematurely", fds[0]); + errors++; + goto done; + } + ntests++; + if (fcntl(fds[1], F_GETFL, 0) == -1) { + sudo_warnx("fd %d closed prematurely", fds[1]); + errors++; + goto done; + } + + /* Close fds[0], fds[1] and above. */ + sudo_closefrom(minfd); + + /* Verify that sudo_closefrom() closed both fds. */ + ntests++; + flag = fcntl(fds[0], F_GETFD, 0); +#ifdef __APPLE__ + /* We only set the close-on-exec flag on macOS. */ + if (flag == 1) + flag = -1; +#endif + if (flag != -1) { + sudo_warnx("fd %d still open", fds[0]); + errors++; + goto done; + } + ntests++; + flag = fcntl(fds[1], F_GETFD, 0); +#ifdef __APPLE__ + /* We only set the close-on-exec flag on macOS. */ + if (flag == 1) + flag = -1; +#endif + if (flag != -1) { + sudo_warnx("fd %d still open", fds[1]); + errors++; + goto done; + } + +done: + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.1 b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.1 new file mode 100644 index 0000000..1a58c87 --- /dev/null +++ b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.1 @@ -0,0 +1,116 @@ +# +# Default /etc/sudo.conf file +# +# Sudo plugins: +# Plugin plugin_name plugin_path plugin_options ... +# +# The plugin_path is relative to /usr/local/libexec/sudo unless +# fully qualified. +# The plugin_name corresponds to a global symbol in the plugin +# that contains the plugin interface structure. +# The plugin_options are optional. +# +# The sudoers plugin is used by default if no Plugin lines are present. +#Plugin sudoers_policy sudoers.so +#Plugin sudoers_io sudoers.so +#Plugin sudoers_audit sudoers.so + +# +# Sudo askpass: +# Path askpass /path/to/askpass +# +# An askpass helper program may be specified to provide a graphical +# password prompt for "sudo -A" support. Sudo does not ship with its +# own askpass program but can use the OpenSSH askpass. +# +# Use the OpenSSH askpass +#Path askpass /usr/X11R6/bin/ssh-askpass +# +# Use the Gnome OpenSSH askpass +#Path askpass /usr/libexec/openssh/gnome-ssh-askpass + +# +# Sudo device search path: +# Path devsearch /dev/path1:/dev/path2:/dev +# +# A colon-separated list of paths to check when searching for a user's +# terminal device. +# +#Path devsearch /dev/pts:/dev/vt:/dev/term:/dev/zcons:/dev/pty:/dev + +# +# Sudo noexec: +# Path noexec /path/to/sudo_noexec.so +# +# Path to a shared library containing replacements for the execv(), +# execve() and fexecve() library functions that just return an error. +# This is used to implement the "noexec" functionality on systems that +# support LD_PRELOAD or its equivalent. +# +# The compiled-in value is usually sufficient and should only be changed +# if you rename or move the sudo_noexec.so file. +# +#Path noexec /usr/local/libexec/sudo/sudo_noexec.so + +# +# Sudo plugin directory: +# Path plugin_dir /path/to/plugins +# +# The default directory to use when searching for plugins that are +# specified without a fully qualified path name. +# +#Path plugin_dir /usr/local/libexec/sudo + +# +# Core dumps: +# Set disable_coredump true|false +# +# By default, sudo disables core dumps while it is executing (they +# are re-enabled for the command that is run). +# To aid in debugging sudo problems, you may wish to enable core +# dumps by setting "disable_coredump" to false. +# +#Set disable_coredump false + +# +# User groups: +# Set group_source static|dynamic|adaptive +# +# Sudo passes the user's group list to the policy plugin. +# If the user is a member of the maximum number of groups (usually 16), +# sudo will query the group database directly to be sure to include +# the full list of groups. +# +# On some systems, this can be expensive so the behavior is configurable. +# The "group_source" setting has three possible values: +# static - use the user's list of groups returned by the kernel. +# dynamic - query the group database to find the list of groups. +# adaptive - if user is in less than the maximum number of groups. +# use the kernel list, else query the group database. +# +#Set group_source static + +# +# Sudo interface probing: +# Set probe_interfaces true|false +# +# By default, sudo will probe the system's network interfaces and +# pass the IP address of each enabled interface to the policy plugin. +# On systems with a large number of virtual interfaces this may take +# a noticeable amount of time. +# +#Set probe_interfaces false + +# +# Sudo debug files: +# Debug program /path/to/debug_log subsystem@priority[,subsyste@priority] +# +# Sudo and related programs support logging debug information to a file. +# The program is typically sudo, sudoers.so, sudoreplay or visudo. +# +# Subsystems vary based on the program; "all" matches all subsystems. +# Priority may be crit, err, warn, notice, diag, info, trace or debug. +# Multiple subsystem@priority may be specified, separated by a comma. +# +#Debug sudo /var/log/sudo_debug all@debug +#Debug sudoers.so /var/log/sudoers_debug all@debug diff --git a/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.2 b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.2 new file mode 100644 index 0000000..05039a5 --- /dev/null +++ b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.2 @@ -0,0 +1,116 @@ +# +# Default /etc/sudo.conf file +# +# Sudo plugins: +# Plugin plugin_name plugin_path plugin_options ... +# +# The plugin_path is relative to /usr/local/libexec/sudo unless +# fully qualified. +# The plugin_name corresponds to a global symbol in the plugin +# that contains the plugin interface structure. +# The plugin_options are optional. +# +# The sudoers plugin is used by default if no Plugin lines are present. +Plugin sudoers_policy sudoers.so +Plugin sudoers_io sudoers.so +Plugin sudoers_audit sudoers.so + +# +# Sudo askpass: +# Path askpass /path/to/askpass +# +# An askpass helper program may be specified to provide a graphical +# password prompt for "sudo -A" support. Sudo does not ship with its +# own askpass program but can use the OpenSSH askpass. +# +# Use the OpenSSH askpass +Path askpass /usr/X11R6/bin/ssh-askpass +# +# Use the Gnome OpenSSH askpass +Path askpass /usr/libexec/openssh/gnome-ssh-askpass + +# +# Sudo device search path: +# Path devsearch /dev/path1:/dev/path2:/dev +# +# A colon-separated list of paths to check when searching for a user's +# terminal device. +# +Path devsearch /dev/pts:/dev/vt:/dev/term:/dev/zcons:/dev/pty:/dev + +# +# Sudo noexec: +# Path noexec /path/to/sudo_noexec.so +# +# Path to a shared library containing replacements for the execv(), +# execve() and fexecve() library functions that just return an error. +# This is used to implement the "noexec" functionality on systems that +# support LD_PRELOAD or its equivalent. +# +# The compiled-in value is usually sufficient and should only be changed +# if you rename or move the sudo_noexec.so file. +# +Path noexec /usr/local/libexec/sudo/sudo_noexec.so + +# +# Sudo plugin directory: +# Path plugin_dir /path/to/plugins +# +# The default directory to use when searching for plugins that are +# specified without a fully qualified path name. +# +Path plugin_dir /usr/local/libexec/sudo + +# +# Core dumps: +# Set disable_coredump true|false +# +# By default, sudo disables core dumps while it is executing (they +# are re-enabled for the command that is run). +# To aid in debugging sudo problems, you may wish to enable core +# dumps by setting "disable_coredump" to false. +# +Set disable_coredump false + +# +# User groups: +# Set group_source static|dynamic|adaptive +# +# Sudo passes the user's group list to the policy plugin. +# If the user is a member of the maximum number of groups (usually 16), +# sudo will query the group database directly to be sure to include +# the full list of groups. +# +# On some systems, this can be expensive so the behavior is configurable. +# The "group_source" setting has three possible values: +# static - use the user's list of groups returned by the kernel. +# dynamic - query the group database to find the list of groups. +# adaptive - if user is in less than the maximum number of groups. +# use the kernel list, else query the group database. +# +Set group_source static + +# +# Sudo interface probing: +# Set probe_interfaces true|false +# +# By default, sudo will probe the system's network interfaces and +# pass the IP address of each enabled interface to the policy plugin. +# On systems with a large number of virtual interfaces this may take +# a noticeable amount of time. +# +Set probe_interfaces false + +# +# Sudo debug files: +# Debug program /path/to/debug_log subsystem@priority[,subsyste@priority] +# +# Sudo and related programs support logging debug information to a file. +# The program is typically sudo, sudoers.so, sudoreplay or visudo. +# +# Subsystems vary based on the program; "all" matches all subsystems. +# Priority may be crit, err, warn, notice, diag, info, trace or debug. +# Multiple subsystem@priority may be specified, separated by a comma. +# +Debug sudo /var/log/sudo_debug all@debug +Debug sudoers.so /var/log/sudoers_debug all@debug diff --git a/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.3 b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.3 new file mode 100644 index 0000000..bcfafb2 --- /dev/null +++ b/lib/util/regress/corpus/seed/sudo_conf/sudo.conf.3 @@ -0,0 +1,126 @@ +# +# Default /etc/sudo.conf file +# +# Sudo plugins: +# Plugin plugin_name plugin_path plugin_options ... +# +# The plugin_path is relative to /usr/local/libexec/sudo unless +# fully qualified. +# The plugin_name corresponds to a global symbol in the plugin +# that contains the plugin interface structure. +# The plugin_options are optional. +# +# The sudoers plugin is used by default if no Plugin lines are present. +Plugin sudoers_policy sudoers.so +Plugin sudoers_io sudoers.so +Plugin sudoers_audit sudoers.so + +# +# Sudo askpass: +# Path askpass /path/to/askpass +# +# An askpass helper program may be specified to provide a graphical +# password prompt for "sudo -A" support. Sudo does not ship with its +# own askpass program but can use the OpenSSH askpass. +# +# Use the OpenSSH askpass +Path askpass /usr/X11R6/bin/ssh-askpass +# +# Use the Gnome OpenSSH askpass +Path askpass /usr/libexec/openssh/gnome-ssh-askpass + +# +# Sudo device search path: +# Path devsearch /dev/path1:/dev/path2:/dev +# +# A colon-separated list of paths to check when searching for a user's +# terminal device. +# +Path devsearch /dev/pts:/dev/vt:/dev/term:/dev/zcons:/dev/pty:/dev + +# +# Sudo noexec: +# Path noexec /path/to/sudo_noexec.so +# +# Path to a shared library containing replacements for the execv(), +# execve() and fexecve() library functions that just return an error. +# This is used to implement the "noexec" functionality on systems that +# support LD_PRELOAD or its equivalent. +# +# The compiled-in value is usually sufficient and should only be changed +# if you rename or move the sudo_noexec.so file. +# +Path noexec /usr/local/libexec/sudo/sudo_noexec.so + +# +# Sudo plugin directory: +# Path plugin_dir /path/to/plugins +# +# The default directory to use when searching for plugins that are +# specified without a fully qualified path name. +# +Path plugin_dir /usr/local/libexec/sudo + +# +# Path to the sesh binary for SELinux support +# +Path sesh /usr/local/libexec/sudo/sesh + +# +# Core dumps: +# Set disable_coredump true|false +# +# By default, sudo disables core dumps while it is executing (they +# are re-enabled for the command that is run). +# To aid in debugging sudo problems, you may wish to enable core +# dumps by setting "disable_coredump" to false. +# +Set disable_coredump true + +# +# User groups: +# Set group_source static|dynamic|adaptive +# +# Sudo passes the user's group list to the policy plugin. +# If the user is a member of the maximum number of groups (usually 16), +# sudo will query the group database directly to be sure to include +# the full list of groups. +# +# On some systems, this can be expensive so the behavior is configurable. +# The "group_source" setting has three possible values: +# static - use the user's list of groups returned by the kernel. +# dynamic - query the group database to find the list of groups. +# adaptive - if user is in less than the maximum number of groups. +# use the kernel list, else query the group database. +# +Set group_source dynamic + +# +# Maximum number of groups to use +# +Set max_groups 8 + +# +# Sudo interface probing: +# Set probe_interfaces true|false +# +# By default, sudo will probe the system's network interfaces and +# pass the IP address of each enabled interface to the policy plugin. +# On systems with a large number of virtual interfaces this may take +# a noticeable amount of time. +# +Set probe_interfaces true + +# +# Sudo debug files: +# Debug program /path/to/debug_log subsystem@priority[,subsyste@priority] +# +# Sudo and related programs support logging debug information to a file. +# The program is typically sudo, sudoers.so, sudoreplay or visudo. +# +# Subsystems vary based on the program; "all" matches all subsystems. +# Priority may be crit, err, warn, notice, diag, info, trace or debug. +# Multiple subsystem@priority may be specified, separated by a comma. +# +Debug sudo /var/log/sudo_debug all@debug +Debug sudoers.so /var/log/sudoers_debug all@debug diff --git a/lib/util/regress/digest/digest_test.c b/lib/util/regress/digest/digest_test.c new file mode 100644 index 0000000..69740a9 --- /dev/null +++ b/lib/util/regress/digest/digest_test.c @@ -0,0 +1,1179 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_digest.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +static int errors, ntests; +static const char hex[] = "0123456789abcdef"; + +struct test_vector { + size_t len; /* length in bytes */ + const char *str; /* input string (hex bytes) */ + const char *md; /* message digest */ +}; + +/* SHA224 short messages test vectors. */ +static struct test_vector sha224_vectors[] = { + { + 0, + "", + "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f" + }, { + 1, + "\x84", + "3cd36921df5d6963e73739cf4d20211e2d8877c19cff087ade9d0e3a" + }, { + 2, + "\x5c\x7b", + "daff9bce685eb831f97fc1225b03c275a6c112e2d6e76f5faf7a36e6" + }, { + 3, + "\x51\xca\x3d", + "2c8959023515476e38388abb43599a29876b4b33d56adc06032de3a2" + }, { + 4, + "\x60\x84\x34\x7e", + "ae57c0a6d49739ba338adfa53bdae063e5c09122b77604780a8eeaa3" + }, { + 5, + "\x49\x3e\x14\x62\x3c", + "7f631f295e024e74552083245ca8f988a3fb65680ae97c3040d2e65c" + }, { + 6, + "\xd7\x29\xd8\xcd\x16\x31", + "342e8e6b23c1c6a54910631f098e08e836259c57e49c1b1d023d166d" + }, { + 7, + "\xcb\xf2\x06\x1e\x10\xfa\xa5", + "3aa702b1b66dc57d7aec3ccdbdfbd88592d7520f843ba5d0fa481168" + }, { + 8, + "\x5f\x77\xb3\x66\x48\x23\xc3\x3e", + "bdf21ff325f754157ccf417f4855360a72e8fd117d28c8fe7da3ea38" + }, { + 9, + "\x10\x71\x3b\x89\x4d\xe4\xa7\x34\xc0", + "03842600c86f5cd60c3a2147a067cb962a05303c3488b05cb45327bd" + }, { + 10, + "\x00\x64\x70\xd5\x7d\xad\x98\x93\xdc\x03", + "c90026cda5ad24115059c62ae9add57793ade445d4742273288bbce7" + }, { + 11, + "\x6f\x29\xca\x27\x41\x90\x40\x07\x20\xbb\xa2", + "ac53157947aa4b2a19089182382a4363d182dd8e4ca79cd8571390be" + }, { + 12, + "\x17\xe8\x55\x61\x76\xfc\xca\x2a\xdd\xbd\xde\x29", + "cc6ad0488db0222066f740557b5758a19b30372b302332295d8c3aff" + }, { + 13, + "\xdb\xf1\x63\x60\x1d\xb9\xa1\x22\xa4\x02\x68\x24\xde", + "9849845f4e47e1ece9a1c1e01a0d896ffea61c6c8894a75a11ce5f49" + }, { + 14, + "\x5e\x1e\xf2\xad\x86\xce\xaf\x54\x39\xfe\x87\xd2\xec\x9b", + "223c5d5d4a0116b32cea044f9af0fe44babea1c5ab201502591bcd5f" + }, { + 15, + "\x65\xf3\xb9\x86\x6f\xb8\x00\x2b\x53\xcf\xaf\x80\x6f\x70\x2f", + "b1e0806a218d593821fde8e9eacc44ab5287c32209a94f011ab66b75" + }, { + 16, + "\xb7\x76\x70\x8f\xfb\x91\xb3\x51\x5a\xc4\x65\x98\xab\x9f\xa7\x96", + "427311b1d7ab2488791c4deeb4251d783fe5f9806bfdfb5188c5443d" + }, { + 17, + "\xa4\xbc\x10\xb1\xa6\x2c\x96\xd4\x59\xfb\xaf\x3a\x5a\xa3\xfa\xce\x73", + "d7e6634723ac25cb1879bdb1508da05313530419013fe255967a39e1" + }, { + 18, + "\x9e\x8f\x3c\x66\x45\xc1\x74\x9b\x55\xc5\x0d\x20\x18\xce\x40\xdc\x24\x27", + "2f5a583bf588c8988a572d128a95bea5ef1b66780a7d4be9c29efc31" + }, { + 19, + "\x2d\xb6\xd2\x07\xc0\xb7\xd9\x11\x7f\x24\xd7\x8e\xe5\x9a\xbf\x2f\x31\x69\x78", + "35681fce28307cae19522c23cbd4a77969347f7d8ee4a3088ba90ada" + }, { + 20, + "\x3d\xf5\xe7\xf3\x99\xf6\xdd\x61\xa1\x2a\x9d\x4e\x94\x64\xfc\x49\x97\xc1\xf3\x7b", + "a3e68076e30751085a843a6cbfbf0f3dee63d9c4219c914372e50b28" + }, { + 21, + "\x65\x78\x1d\x01\x8f\x27\xca\x0c\x72\xa9\xfa\x9a\xb4\x64\x8e\xd3\x69\x64\x6d\xd3\xce", + "d15ef0d872d02da6427b8d0349dea2f204e67133b7365b4b150efc3c" + }, { + 22, + "\xaf\x48\xee\xdd\xd9\x3f\xee\x69\xd1\xbd\x7d\xe4\x28\xa6\x39\x86\x01\x1d\x10\x94\x5e\xaf", + "b89d428ee42e397cf11029ecbb27baddd036c8938f51c8ab56b875ac" + }, { + 23, + "\xdf\x2b\xf0\xd5\xf9\xc9\x94\xac\x69\xd7\x8b\xaa\x0d\x51\x2e\xce\xb7\x4d\x8a\x04\x75\x31\xc1", + "db8e1ce68c8c6b84d6db755c2b8bf54f3c4b081a881efcddaf303294" + }, { + 24, + "\x48\xd2\xf2\x09\x55\xea\x2d\x13\x43\x3c\x20\xbc\x04\x04\xeb\x2e\x6a\xd7\x9e\xd2\x8f\x7c\xb4\xc0", + "3617cc3179f8b59adce181eebeed5e2763f62650949224a67e53694b" + }, { + 25, + "\x21\x8f\x74\xa4\x2d\x3a\x47\xef\x3b\x80\x66\x01\xfb\xa0\x24\xb0\x78\xcb\xff\x4e\x4b\x85\x77\x2e\x0e", + "b5f40b95dcc363b97e9d00b67c5d7c37f17ab563297d2d67a4df20c9" + }, { + 26, + "\xef\x55\xb1\xe7\x97\x00\x0b\x04\xfc\xdb\x9b\x30\x21\xb0\x93\x27\xe3\xb4\xe2\x69\xd2\x0c\xab\xdf\x41\x8f", + "827b223d51240c2e3271c534c19c5637b6fe10083e85bcf06761ef21" + }, { + 27, + "\x96\xdf\x43\x87\xdc\x2c\x40\x29\x70\x43\xbe\xa3\x64\x83\xf6\x5e\x4e\xb1\xe0\x7e\x93\x35\x9c\xb7\xe6\x86\x10", + "98e430a63fcdedafc9419010f7f59a4d816a45b4f973beb62530ff8c" + }, { + 28, + "\x3e\xc0\xaa\x8d\x30\xd5\xed\x82\x5b\x77\xdc\x70\x95\xf4\x21\xb1\xe6\x08\x15\x87\x97\xa3\x77\xff\x8b\xed\x64\x1b", + "3108321eb7ff857f6aae69101b937f32a51ea279a6c14ba5232ac8c1" + }, { + 29, + 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"\xa3\x31\x0b\xa0\x64\xbe\x2e\x14\xad\x32\x27\x6e\x18\xcd\x03\x10\xc9\x33\xa6\xe6\x50\xc3\xc7\x54\xd0\x24\x3c\x6c\x61\x20\x78\x65\xb4\xb6\x52\x48\xf6\x6a\x08\xed\xf6\xe0\x83\x26\x89\xa9\xdc\x3a\x2e\x5d\x20\x95\xee\xea\x50\xbd\x86\x2b\xac\x88\xc8\xbd\x31\x8d", + "b2a5586d9cbf0baa999157b4af06d88ae08d7c9faab4bc1a96829d65" + }, { + 0, + NULL, + NULL + } +}; + +/* SHA256 short messages test vectors. */ +static struct test_vector sha256_vectors[] = { + { + 0, + "", + "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" + }, { + 1, + "\xd3", + "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c1" + }, { + 2, + "\x11\xaf", + "5ca7133fa735326081558ac312c620eeca9970d1e70a4b95533d956f072d1f98" + }, { + 3, + "\xb4\x19\x0e", + "dff2e73091f6c05e528896c4c831b9448653dc2ff043528f6769437bc7b975c2" + }, { + 4, + "\x74\xba\x25\x21", + "b16aa56be3880d18cd41e68384cf1ec8c17680c45a02b1575dc1518923ae8b0e" + }, { + 5, + "\xc2\x99\x20\x96\x82", + "f0887fe961c9cd3beab957e8222494abb969b1ce4c6557976df8b0f6d20e9166" + }, { + 6, + "\xe1\xdc\x72\x4d\x56\x21", + "eca0a060b489636225b4fa64d267dabbe44273067ac679f20820bddc6b6a90ac" + }, { + 7, + "\x06\xe0\x76\xf5\xa4\x42\xd5", + "3fd877e27450e6bbd5d74bb82f9870c64c66e109418baa8e6bbcff355e287926" + }, { + 8, + "\x57\x38\xc9\x29\xc4\xf4\xcc\xb6", + "963bb88f27f512777aab6c8b1a02c70ec0ad651d428f870036e1917120fb48bf" + }, { + 9, + "\x33\x34\xc5\x80\x75\xd3\xf4\x13\x9e", + "078da3d77ed43bd3037a433fd0341855023793f9afd08b4b08ea1e5597ceef20" + }, { + 10, + "\x74\xcb\x93\x81\xd8\x9f\x5a\xa7\x33\x68", + "73d6fad1caaa75b43b21733561fd3958bdc555194a037c2addec19dc2d7a52bd" + }, { + 11, + "\x76\xed\x24\xa0\xf4\x0a\x41\x22\x1e\xbf\xcf", + "044cef802901932e46dc46b2545e6c99c0fc323a0ed99b081bda4216857f38ac" + }, { + 12, + "\x9b\xaf\x69\xcb\xa3\x17\xf4\x22\xfe\x26\xa9\xa0", + "fe56287cd657e4afc50dba7a3a54c2a6324b886becdcd1fae473b769e551a09b" + }, { + 13, + "\x68\x51\x1c\xdb\x2d\xbb\xf3\x53\x0d\x7f\xb6\x1c\xbc", + "af53430466715e99a602fc9f5945719b04dd24267e6a98471f7a7869bd3b4313" + }, { + 14, + "\xaf\x39\x7a\x8b\x8d\xd7\x3a\xb7\x02\xce\x8e\x53\xaa\x9f", + "d189498a3463b18e846b8ab1b41583b0b7efc789dad8a7fb885bbf8fb5b45c5c" + }, { + 15, + "\x29\x4a\xf4\x80\x2e\x5e\x92\x5e\xb1\xc6\xcc\x9c\x72\x4f\x09", + "dcbaf335360de853b9cddfdafb90fa75567d0d3d58af8db9d764113aef570125" + }, { + 16, + "\x0a\x27\x84\x7c\xdc\x98\xbd\x6f\x62\x22\x0b\x04\x6e\xdd\x76\x2b", + "80c25ec1600587e7f28b18b1b18e3cdc89928e39cab3bc25e4d4a4c139bcedc4" + }, { + 17, + "\x1b\x50\x3f\xb9\xa7\x3b\x16\xad\xa3\xfc\xf1\x04\x26\x23\xae\x76\x10", + "d5c30315f72ed05fe519a1bf75ab5fd0ffec5ac1acb0daf66b6b769598594509" + }, { + 18, + "\x59\xeb\x45\xbb\xbe\xb0\x54\xb0\xb9\x73\x34\xd5\x35\x80\xce\x03\xf6\x99", + "32c38c54189f2357e96bd77eb00c2b9c341ebebacc2945f97804f59a93238288" + }, { + 19, + "\x58\xe5\xa3\x25\x9c\xb0\xb6\xd1\x2c\x83\xf7\x23\x37\x9e\x35\xfd\x29\x8b\x60", + "9b5b37816de8fcdf3ec10b745428708df8f391c550ea6746b2cafe019c2b6ace" + }, { + 20, + "\xc1\xef\x39\xce\xe5\x8e\x78\xf6\xfc\xdc\x12\xe0\x58\xb7\xf9\x02\xac\xd1\xa9\x3b", + "6dd52b0d8b48cc8146cebd0216fbf5f6ef7eeafc0ff2ff9d1422d6345555a142" + }, { + 21, + "\x9c\xab\x7d\x7d\xca\xec\x98\xcb\x3a\xc6\xc6\x4d\xd5\xd4\x47\x0d\x0b\x10\x3a\x81\x0c", + "44d34809fc60d1fcafa7f37b794d1d3a765dd0d23194ebbe340f013f0c39b613" + }, { + 22, + "\xea\x15\x7c\x02\xeb\xaf\x1b\x22\xde\x22\x1b\x53\xf2\x35\x39\x36\xd2\x35\x9d\x1e\x1c\x97", + "9df5c16a3f580406f07d96149303d8c408869b32053b726cf3defd241e484957" + }, { + 23, + "\xda\x99\x9b\xc1\xf9\xc7\xac\xff\x32\x82\x8a\x73\xe6\x72\xd0\xa4\x92\xf6\xee\x89\x5c\x68\x67", + "672b54e43f41ee77584bdf8bf854d97b6252c918f7ea2d26bc4097ea53a88f10" + }, { + 24, + "\x47\x99\x13\x01\x15\x6d\x1d\x97\x7c\x03\x38\xef\xbc\xad\x41\x00\x41\x33\xae\xfb\xca\x6b\xcf\x7e", + "feeb4b2b59fec8fdb1e55194a493d8c871757b5723675e93d3ac034b380b7fc9" + }, { + 25, + "\x2e\x7e\xa8\x4d\xa4\xbc\x4d\x7c\xfb\x46\x3e\x3f\x2c\x86\x47\x05\x7a\xff\xf3\xfb\xec\xec\xa1\xd2\x00", + "76e3acbc718836f2df8ad2d0d2d76f0cfa5fea0986be918f10bcee730df441b9" + }, { + 26, + "\x47\xc7\x70\xeb\x45\x49\xb6\xef\xf6\x38\x1d\x62\xe9\xbe\xb4\x64\xcd\x98\xd3\x41\xcc\x1c\x09\x98\x1a\x7a", + "6733809c73e53666c735b3bd3daf87ebc77c72756150a616a194108d71231272" + }, { + 27, + "\xac\x4c\x26\xd8\xb4\x3b\x85\x79\xd8\xf6\x1c\x98\x07\x02\x6e\x83\xe9\xb5\x86\xe1\x15\x9b\xd4\x3b\x85\x19\x37", + "0e6e3c143c3a5f7f38505ed6adc9b48c18edf6dedf11635f6e8f9ac73c39fe9e" + }, { + 28, + "\x07\x77\xfc\x1e\x1c\xa4\x73\x04\xc2\xe2\x65\x69\x28\x38\x10\x9e\x26\xaa\xb9\xe5\xc4\xae\x4e\x86\x00\xdf\x4b\x1f", + "ffb4fc03e054f8ecbc31470fc023bedcd4a406b9dd56c71da1b660dcc4842c65" + }, { + 29, + "\x1a\x57\x25\x1c\x43\x1d\x4e\x6c\x2e\x06\xd6\x52\x46\xa2\x96\x91\x50\x71\xa5\x31\x42\x5e\xcf\x25\x59\x89\x42\x2a\x66", + "c644612cd326b38b1c6813b1daded34448805aef317c35f548dfb4a0d74b8106" + }, { + 30, + "\x9b\x24\x5f\xda\xd9\xba\xeb\x89\x0d\x9c\x0d\x0e\xff\x81\x6e\xfb\x4c\xa1\x38\x61\x0b\xc7\xd7\x8c\xb1\xa8\x01\xed\x32\x73", + "c0e29eeeb0d3a7707947e623cdc7d1899adc70dd7861205ea5e5813954fb7957" + }, { + 31, + "\x95\xa7\x65\x80\x9c\xaf\x30\xad\xa9\x0a\xd6\xd6\x1c\x2b\x4b\x30\x25\x0d\xf0\xa7\xce\x23\xb7\x75\x3c\x91\x87\xf4\x31\x9c\xe2", + "a4139b74b102cf1e2fce229a6cd84c87501f50afa4c80feacf7d8cf5ed94f042" + }, { + 32, + "\x09\xfc\x1a\xcc\xc2\x30\xa2\x05\xe4\xa2\x08\xe6\x4a\x8f\x20\x42\x91\xf5\x81\xa1\x27\x56\x39\x2d\xa4\xb8\xc0\xcf\x5e\xf0\x2b\x95", + "4f44c1c7fbebb6f9601829f3897bfd650c56fa07844be76489076356ac1886a4" + }, { + 33, + "\x05\x46\xf7\xb8\x68\x2b\x5b\x95\xfd\x32\x38\x5f\xaf\x25\x85\x4c\xb3\xf7\xb4\x0c\xc8\xfa\x22\x9f\xbd\x52\xb1\x69\x34\xaa\xb3\x88\xa7", + "b31ad3cd02b10db282b3576c059b746fb24ca6f09fef69402dc90ece7421cbb7" + }, { + 34, + "\xb1\x2d\xb4\xa1\x02\x55\x29\xb3\xb7\xb1\xe4\x5c\x6d\xbc\x7b\xaa\x88\x97\xa0\x57\x6e\x66\xf6\x4b\xf3\xf8\x23\x61\x13\xa6\x27\x6e\xe7\x7d", + "1c38bf6bbfd32292d67d1d651fd9d5b623b6ec1e854406223f51d0df46968712" + }, { + 35, + "\xe6\x8c\xb6\xd8\xc1\x86\x6c\x0a\x71\xe7\x31\x3f\x83\xdc\x11\xa5\x80\x9c\xf5\xcf\xbe\xed\x1a\x58\x7c\xe9\xc2\xc9\x2e\x02\x2a\xbc\x16\x44\xbb", + "c2684c0dbb85c232b6da4fb5147dd0624429ec7e657991edd95eda37a587269e" + }, { + 36, + "\x4e\x3d\x8a\xc3\x6d\x61\xd9\xe5\x14\x80\x83\x11\x55\xb2\x53\xb3\x79\x69\xfe\x7e\xf4\x9d\xb3\xb3\x99\x26\xf3\xa0\x0b\x69\xa3\x67\x74\x36\x60\x00", + "bf9d5e5b5393053f055b380baed7e792ae85ad37c0ada5fd4519542ccc461cf3" + }, { + 37, + "\x03\xb2\x64\xbe\x51\xe4\xb9\x41\x86\x4f\x9b\x70\xb4\xc9\x58\xf5\x35\x5a\xac\x29\x4b\x4b\x87\xcb\x03\x7f\x11\xf8\x5f\x07\xeb\x57\xb3\xf0\xb8\x95\x50", + "d1f8bd684001ac5a4b67bbf79f87de524d2da99ac014dec3e4187728f4557471" + }, { + 38, + "\xd0\xfe\xfd\x96\x78\x7c\x65\xff\xa7\xf9\x10\xd6\xd0\xad\xa6\x3d\x64\xd5\xc4\x67\x99\x60\xe7\xf0\x6a\xeb\x8c\x70\xdf\xef\x95\x4f\x8e\x39\xef\xdb\x62\x9b", + "49ba38db85c2796f85ffd57dd5ec337007414528ae33935b102d16a6b91ba6c1" + }, { + 39, + "\xb7\xc7\x9d\x7e\x5f\x1e\xec\xcd\xfe\xdf\x0e\x7b\xf4\x3e\x73\x0d\x44\x7e\x60\x7d\x8d\x14\x89\x82\x3d\x09\xe1\x12\x01\xa0\xb1\x25\x80\x39\xe7\xbd\x48\x75\xb1", + "725e6f8d888ebaf908b7692259ab8839c3248edd22ca115bb13e025808654700" + }, { + 40, + "\x64\xcd\x36\x3e\xcc\xe0\x5f\xdf\xda\x24\x86\xd0\x11\xa3\xdb\x95\xb5\x20\x6a\x19\xd3\x05\x40\x46\x81\x9d\xd0\xd3\x67\x83\x95\x5d\x7e\x5b\xf8\xba\x18\xbf\x73\x8a", + "32caef024f84e97c30b4a7b9d04b678b3d8a6eb2259dff5b7f7c011f090845f8" + }, { + 41, + "\x6a\xc6\xc6\x3d\x61\x8e\xaf\x00\xd9\x1c\x5e\x28\x07\xe8\x3c\x09\x39\x12\xb8\xe2\x02\xf7\x8e\x13\x97\x03\x49\x8a\x79\xc6\x06\x7f\x54\x49\x7c\x61\x27\xa2\x39\x10\xa6", + "4bb33e7c6916e08a9b3ed6bcef790aaaee0dcf2e7a01afb056182dea2dad7d63" + }, { + 42, + "\xd2\x68\x26\xdb\x9b\xae\xaa\x89\x26\x91\xb6\x89\x00\xb9\x61\x63\x20\x8e\x80\x6a\x1d\xa0\x77\x42\x9e\x45\x4f\xa0\x11\x84\x09\x51\xa0\x31\x32\x7e\x60\x5a\xb8\x2e\xcc\xe2", + "3ac7ac6bed82fdc8cd15b746f0ee7489158192c238f371c1883c9fe90b3e2831" + }, { + 43, + "\x3f\x7a\x05\x9b\x65\xd6\xcb\x02\x49\x20\x4a\xac\x10\xb9\xf1\xa4\xac\x9e\x58\x68\xad\xeb\xbe\x93\x5a\x9e\xb5\xb9\x01\x9e\x1c\x93\x8b\xfc\x4e\x5c\x53\x78\x99\x7a\x39\x47\xf2", + "bfce809534eefe871273964d32f091fe756c71a7f512ef5f2300bcd57f699e74" + }, { + 44, + "\x60\xff\xcb\x23\xd6\xb8\x8e\x48\x5b\x92\x0a\xf8\x1d\x10\x83\xf6\x29\x1d\x06\xac\x8c\xa3\xa9\x65\xb8\x59\x14\xbc\x2a\xdd\x40\x54\x4a\x02\x7f\xca\x93\x6b\xbd\xe8\xf3\x59\x05\x1c", + "1d26f3e04f89b4eaa9dbed9231bb051eef2e8311ad26fe53d0bf0b821eaf7567" + }, { + 45, + "\x9e\xcd\x07\xb6\x84\xbb\x9e\x0e\x66\x92\xe3\x20\xce\xc4\x51\x0c\xa7\x9f\xcd\xb3\xa2\x21\x2c\x26\xd9\x0d\xf6\x5d\xb3\x3e\x69\x2d\x07\x3c\xc1\x74\x84\x0d\xb7\x97\x50\x4e\x48\x2e\xef", + "0ffeb644a49e787ccc6970fe29705a4f4c2bfcfe7d19741c158333ff6982cc9c" + }, { + 46, + "\x9d\x64\xde\x71\x61\x89\x58\x84\xe7\xfa\x3d\x6e\x9e\xb9\x96\xe7\xeb\xe5\x11\xb0\x1f\xe1\x9c\xd4\xa6\xb3\x32\x2e\x80\xaa\xf5\x2b\xf6\x44\x7e\xd1\x85\x4e\x71\x00\x1f\x4d\x54\xf8\x93\x1d", + "d048ee1524014adf9a56e60a388277de194c694cc787fc5a1b554ea9f07abfdf" + }, { + 47, + "\xc4\xad\x3c\x5e\x78\xd9\x17\xec\xb0\xcb\xbc\xd1\xc4\x81\xfc\x2a\xaf\x23\x2f\x7e\x28\x97\x79\xf4\x0e\x50\x4c\xc3\x09\x66\x2e\xe9\x6f\xec\xbd\x20\x64\x7e\xf0\x0e\x46\x19\x9f\xbc\x48\x2f\x46", + "50dbf40066f8d270484ee2ef6632282dfa300a85a8530eceeb0e04275e1c1efd" + }, { + 48, + "\x4e\xef\x51\x07\x45\x9b\xdd\xf8\xf2\x4f\xc7\x65\x6f\xd4\x89\x6d\xa8\x71\x1d\xb5\x04\x00\xc0\x16\x48\x47\xf6\x92\xb8\x86\xce\x8d\x7f\x4d\x67\x39\x50\x90\xb3\x53\x4e\xfd\x7b\x0d\x29\x8d\xa3\x4b", + "7c5d14ed83dab875ac25ce7feed6ef837d58e79dc601fb3c1fca48d4464e8b83" + }, { + 49, + "\x04\x7d\x27\x58\xe7\xc2\xc9\x62\x3f\x9b\xdb\x93\xb6\x59\x7c\x5e\x84\xa0\xcd\x34\xe6\x10\x01\x4b\xcb\x25\xb4\x9e\xd0\x5c\x7e\x35\x6e\x98\xc7\xa6\x72\xc3\xdd\xdc\xae\xb8\x43\x17\xef\x61\x4d\x34\x2f", + "7d53eccd03da37bf58c1962a8f0f708a5c5c447f6a7e9e26137c169d5bdd82e4" + }, { + 50, + "\x3d\x83\xdf\x37\x17\x2c\x81\xaf\xd0\xde\x11\x51\x39\xfb\xf4\x39\x0c\x22\xe0\x98\xc5\xaf\x4c\x5a\xb4\x85\x24\x06\x51\x0b\xc0\xe6\xcf\x74\x17\x69\xf4\x44\x30\xc5\x27\x0f\xda\xe0\xcb\x84\x9d\x71\xcb\xab", + "99dc772e91ea02d9e421d552d61901016b9fd4ad2df4a8212c1ec5ba13893ab2" + }, { + 51, + "\x33\xfd\x9b\xc1\x7e\x2b\x27\x1f\xa0\x4c\x6b\x93\xc0\xbd\xea\xe9\x86\x54\xa7\x68\x2d\x31\xd9\xb4\xda\xb7\xe6\xf3\x2c\xd5\x8f\x2f\x14\x8a\x68\xfb\xe7\xa8\x8c\x5a\xb1\xd8\x8e\xdc\xcd\xde\xb3\x0a\xb2\x1e\x5e", + "cefdae1a3d75e792e8698d5e71f177cc761314e9ad5df9602c6e60ae65c4c267" + }, { + 52, + "\x77\xa8\x79\xcf\xa1\x1d\x7f\xca\xc7\xa8\x28\x2c\xc3\x8a\x43\xdc\xf3\x76\x43\xcc\x90\x98\x37\x21\x3b\xd6\xfd\x95\xd9\x56\xb2\x19\xa1\x40\x6c\xbe\x73\xc5\x2c\xd5\x6c\x60\x0e\x55\xb7\x5b\xc3\x7e\xa6\x96\x41\xbc", + "c99d64fa4dadd4bc8a389531c68b4590c6df0b9099c4d583bc00889fb7b98008" + }, { + 53, + "\x45\xa3\xe6\xb8\x65\x27\xf2\x0b\x45\x37\xf5\xaf\x96\xcf\xc5\xad\x87\x77\xa2\xdd\xe6\xcf\x75\x11\x88\x6c\x55\x90\xec\xe2\x4f\xc6\x1b\x22\x67\x39\xd2\x07\xda\xbf\xe3\x2b\xa6\xef\xd9\xff\x4c\xd5\xdb\x1b\xd5\xea\xd3", + "4d12a849047c6acd4b2eee6be35fa9051b02d21d50d419543008c1d82c427072" + }, { + 54, + "\x25\x36\x2a\x4b\x9d\x74\xbd\xe6\x12\x8c\x4f\xdc\x67\x23\x05\x90\x09\x47\xbc\x3a\xda\x9d\x9d\x31\x6e\xbc\xf1\x66\x7a\xd4\x36\x31\x89\x93\x72\x51\xf1\x49\xc7\x2e\x06\x4a\x48\x60\x8d\x94\x0b\x75\x74\xb1\x7f\xef\xc0\xdf", + "f8e4ccab6c979229f6066cc0cb0cfa81bb21447c16c68773be7e558e9f9d798d" + }, { + 55, + "\x3e\xbf\xb0\x6d\xb8\xc3\x8d\x5b\xa0\x37\xf1\x36\x3e\x11\x85\x50\xaa\xd9\x46\x06\xe2\x68\x35\xa0\x1a\xf0\x50\x78\x53\x3c\xc2\x5f\x2f\x39\x57\x3c\x04\xb6\x32\xf6\x2f\x68\xc2\x94\xab\x31\xf2\xa3\xe2\xa1\xa0\xd8\xc2\xbe\x51", + "6595a2ef537a69ba8583dfbf7f5bec0ab1f93ce4c8ee1916eff44a93af5749c4" + }, { + 56, + "\x2d\x52\x44\x7d\x12\x44\xd2\xeb\xc2\x86\x50\xe7\xb0\x56\x54\xba\xd3\x5b\x3a\x68\xee\xdc\x7f\x85\x15\x30\x6b\x49\x6d\x75\xf3\xe7\x33\x85\xdd\x1b\x00\x26\x25\x02\x4b\x81\xa0\x2f\x2f\xd6\xdf\xfb\x6e\x6d\x56\x1c\xb7\xd0\xbd\x7a", + "cfb88d6faf2de3a69d36195acec2e255e2af2b7d933997f348e09f6ce5758360" + }, { + 57, + "\x4c\xac\xe4\x22\xe4\xa0\x15\xa7\x54\x92\xb3\xb3\xbb\xfb\xdf\x37\x58\xea\xff\x4f\xe5\x04\xb4\x6a\x26\xc9\x0d\xac\xc1\x19\xfa\x90\x50\xf6\x03\xd2\xb5\x8b\x39\x8c\xad\x6d\x6d\x9f\xa9\x22\xa1\x54\xd9\xe0\xbc\x43\x89\x96\x82\x74\xb0", + "4d54b2d284a6794581224e08f675541c8feab6eefa3ac1cfe5da4e03e62f72e4" + }, { + 58, + "\x86\x20\xb8\x6f\xbc\xaa\xce\x4f\xf3\xc2\x92\x1b\x84\x66\xdd\xd7\xba\xca\xe0\x7e\xef\xef\x69\x3c\xf1\x77\x62\xdc\xab\xb8\x9a\x84\x01\x0f\xc9\xa0\xfb\x76\xce\x1c\x26\x59\x3a\xd6\x37\xa6\x12\x53\xf2\x24\xd1\xb1\x4a\x05\xad\xdc\xca\xbe", + "dba490256c9720c54c612a5bd1ef573cd51dc12b3e7bd8c6db2eabe0aacb846b" + }, { + 59, + "\xd1\xbe\x3f\x13\xfe\xba\xfe\xfc\x14\x41\x4d\x9f\xb7\xf6\x93\xdb\x16\xdc\x1a\xe2\x70\xc5\xb6\x47\xd8\x0d\xa8\x58\x35\x87\xc1\xad\x8c\xb8\xcb\x01\x82\x43\x24\x41\x1c\xa5\xac\xe3\xca\x22\xe1\x79\xa4\xff\x49\x86\xf3\xf2\x11\x90\xf3\xd7\xf3", + "02804978eba6e1de65afdbc6a6091ed6b1ecee51e8bff40646a251de6678b7ef" + }, { + 60, + "\xf4\x99\xcc\x3f\x6e\x3c\xf7\xc3\x12\xff\xdf\xba\x61\xb1\x26\x0c\x37\x12\x9c\x1a\xfb\x39\x10\x47\x19\x33\x67\xb7\xb2\xed\xeb\x57\x92\x53\xe5\x1d\x62\xba\x6d\x91\x1e\x7b\x81\x8c\xca\xe1\x55\x3f\x61\x46\xea\x78\x0f\x78\xe2\x21\x9f\x62\x93\x09", + "0b66c8b4fefebc8dc7da0bbedc1114f228aa63c37d5c30e91ab500f3eadfcec5" + }, { + 61, + "\x6d\xd6\xef\xd6\xf6\xca\xa6\x3b\x72\x9a\xa8\x18\x6e\x30\x8b\xc1\xbd\xa0\x63\x07\xc0\x5a\x2c\x0a\xe5\xa3\x68\x4e\x6e\x46\x08\x11\x74\x86\x90\xdc\x2b\x58\x77\x59\x67\xcf\xcc\x64\x5f\xd8\x20\x64\xb1\x27\x9f\xdc\xa7\x71\x80\x3d\xb9\xdc\xa0\xff\x53", + "c464a7bf6d180de4f744bb2fe5dc27a3f681334ffd54a9814650e60260a478e3" + }, { + 62, + "\x65\x11\xa2\x24\x2d\xdb\x27\x31\x78\xe1\x9a\x82\xc5\x7c\x85\xcb\x05\xa6\x88\x7f\xf2\x01\x4c\xf1\xa3\x1c\xb9\xba\x5d\xf1\x69\x5a\xad\xb2\x5c\x22\xb3\xc5\xed\x51\xc1\x0d\x04\x7d\x25\x6b\x8e\x34\x42\x84\x2a\xe4\xe6\xc5\x25\xf8\xd7\xa5\xa9\x44\xaf\x2a", + "d6859c0b5a0b66376a24f56b2ab104286ed0078634ba19112ace0d6d60a9c1ae" + }, { + 63, + "\xe2\xf7\x6e\x97\x60\x6a\x87\x2e\x31\x74\x39\xf1\xa0\x3f\xcd\x92\xe6\x32\xe5\xbd\x4e\x7c\xbc\x4e\x97\xf1\xaf\xc1\x9a\x16\xfd\xe9\x2d\x77\xcb\xe5\x46\x41\x6b\x51\x64\x0c\xdd\xb9\x2a\xf9\x96\x53\x4d\xfd\x81\xed\xb1\x7c\x44\x24\xcf\x1a\xc4\xd7\x5a\xce\xeb", + "18041bd4665083001fba8c5411d2d748e8abbfdcdfd9218cb02b68a78e7d4c23" + }, { + 64, + "\x5a\x86\xb7\x37\xea\xea\x8e\xe9\x76\xa0\xa2\x4d\xa6\x3e\x7e\xd7\xee\xfa\xd1\x8a\x10\x1c\x12\x11\xe2\xb3\x65\x0c\x51\x87\xc2\xa8\xa6\x50\x54\x72\x08\x25\x1f\x6d\x42\x37\xe6\x61\xc7\xbf\x4c\x77\xf3\x35\x39\x03\x94\xc3\x7f\xa1\xa9\xf9\xbe\x83\x6a\xc2\x85\x09", + "42e61e174fbb3897d6dd6cef3dd2802fe67b331953b06114a65c772859dfc1aa" + }, { + 0, + NULL, + NULL + } +}; + +/* SHA512 short messages test vectors. */ +static struct test_vector sha512_vectors[] = { + { + 0, + "", + "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e" + }, { + 1, + "\x21", + "3831a6a6155e509dee59a7f451eb35324d8f8f2df6e3708894740f98fdee23889f4de5adb0c5010dfb555cda77c8ab5dc902094c52de3278f35a75ebc25f093a" + }, { + 2, + "\x90\x83", + "55586ebba48768aeb323655ab6f4298fc9f670964fc2e5f2731e34dfa4b0c09e6e1e12e3d7286b3145c61c2047fb1a2a1297f36da64160b31fa4c8c2cddd2fb4" + }, { + 3, + "\x0a\x55\xdb", + "7952585e5330cb247d72bae696fc8a6b0f7d0804577e347d99bc1b11e52f384985a428449382306a89261ae143c2f3fb613804ab20b42dc097e5bf4a96ef919b" + }, { + 4, + "\x23\xbe\x86\xd5", + "76d42c8eadea35a69990c63a762f330614a4699977f058adb988f406fb0be8f2ea3dce3a2bbd1d827b70b9b299ae6f9e5058ee97b50bd4922d6d37ddc761f8eb" + }, { + 5, + "\xeb\x0c\xa9\x46\xc1", + "d39ecedfe6e705a821aee4f58bfc489c3d9433eb4ac1b03a97e321a2586b40dd0522f40fa5aef36afff591a78c916bfc6d1ca515c4983dd8695b1ec7951d723e" + }, { + 6, + "\x38\x66\x7f\x39\x27\x7b", + "85708b8ff05d974d6af0801c152b95f5fa5c06af9a35230c5bea2752f031f9bd84bd844717b3add308a70dc777f90813c20b47b16385664eefc88449f04f2131" + }, { + 7, + "\xb3\x9f\x71\xaa\xa8\xa1\x08", + "258b8efa05b4a06b1e63c7a3f925c5ef11fa03e3d47d631bf4d474983783d8c0b09449009e842fc9fa15de586c67cf8955a17d790b20f41dadf67ee8cdcdfce6" + }, { + 8, + "\x6f\x8d\x58\xb7\xca\xb1\x88\x8c", + "a3941def2803c8dfc08f20c06ba7e9a332ae0c67e47ae57365c243ef40059b11be22c91da6a80c2cff0742a8f4bcd941bdee0b861ec872b215433ce8dcf3c031" + }, { + 9, + "\x16\x2b\x0c\xf9\xb3\x75\x0f\x94\x38", + "ade217305dc34392aa4b8e57f64f5a3afdd27f1fa969a9a2608353f82b95cfb4ae84598d01575a578a1068a59b34b5045ff6d5299c5cb7ee17180701b2d1d695" + }, { + 10, + "\xba\xd7\xc6\x18\xf4\x5b\xe2\x07\x97\x5e", + "5886828959d1f82254068be0bd14b6a88f59f534061fb20376a0541052dd3635edf3c6f0ca3d08775e13525df9333a2113c0b2af76515887529910b6c793c8a5" + }, { + 11, + "\x62\x13\xe1\x0a\x44\x20\xe0\xd9\xb7\x70\x37", + "9982dc2a04dff165567f276fd463efef2b369fa2fbca8cee31ce0de8a79a2eb0b53e437f7d9d1f41c71d725cabb949b513075bad1740c9eefbf6a5c6633400c7" + }, { + 12, + "\x63\x32\xc3\xc2\xa0\xa6\x25\xa6\x1d\xf7\x18\x58", + "9d60375d9858d9f2416fb86fa0a2189ee4213e8710314fd1ebed0fd158b043e6e7c9a76d62c6ba1e1d411a730902309ec676dd491433c6ef66c8f116233d6ce7" + }, { + 13, + "\xf4\x7b\xe3\xa2\xb0\x19\xd1\xbe\xed\xed\xf5\xb8\x0c", + 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"\xc1\x3e\x6c\xa3\xab\xb8\x93\xaa\x5f\x82\xc4\xa8\xef\x75\x44\x60\x62\x8a\xf6\xb7\x5a\xf0\x21\x68\xf4\x5b\x72\xf8\xf0\x9e\x45\xed\x12\x7c\x20\x3b\xc7\xbb\x80\xff\x0c\x7b\xd9\x6f\x8c\xc6\xd8\x11\x08\x68\xeb\x2c\xfc\x01\x03\x7d\x80\x58\x99\x2a\x6c\xf2\xef\xfc\xbf\xe4\x98\xc8\x42\xe5\x3a\x2e\x68\xa7\x93\x86\x79\x68\xba\x18\xef\xc4\xa7\x8b\x21\xcd\xf6\xa1\x1e\x5d\xe8\x21\xdc\xab\xab\x14\x92\x1d\xdb\x33\x62\x5d\x48\xa1\x3b\xaf\xfa\xd6\xfe\x82\x72\xdb\xdf\x44\x33\xbd\x0f\x7b\x81\x3c\x98\x12\x69\xc3\x88\xf0\x01", + "6e56f77f6883d0bd4face8b8d557f144661989f66d51b1fe4b8fc7124d66d9d20218616fea1bcf86c08d63bf8f2f21845a3e519083b937e70aa7c358310b5a7c" + }, { + 128, + "\xfd\x22\x03\xe4\x67\x57\x4e\x83\x4a\xb0\x7c\x90\x97\xae\x16\x45\x32\xf2\x4b\xe1\xeb\x5d\x88\xf1\xaf\x77\x48\xce\xff\x0d\x2c\x67\xa2\x1f\x4e\x40\x97\xf9\xd3\xbb\x4e\x9f\xbf\x97\x18\x6e\x0d\xb6\xdb\x01\x00\x23\x0a\x52\xb4\x53\xd4\x21\xf8\xab\x9c\x9a\x60\x43\xaa\x32\x95\xea\x20\xd2\xf0\x6a\x2f\x37\x47\x0d\x8a\x99\x07\x5f\x1b\x8a\x83\x36\xf6\x22\x8c\xf0\x8b\x59\x42\xfc\x1f\xb4\x29\x9c\x7d\x24\x80\xe8\xe8\x2b\xce\x17\x55\x40\xbd\xfa\xd7\x75\x2b\xc9\x5b\x57\x7f\x22\x95\x15\x39\x4f\x3a\xe5\xce\xc8\x70\xa4\xb2\xf8", + "a21b1077d52b27ac545af63b32746c6e3c51cb0cb9f281eb9f3580a6d4996d5c9917d2a6e484627a9d5a06fa1b25327a9d710e027387fc3e07d7c4d14c6086cc" + }, { + 0, + NULL, + NULL + } +}; + +static void +run_tests(unsigned int digest_type, struct test_vector *test_vectors) +{ + struct sudo_digest *ctx; + unsigned char md[64]; /* SHA512_DIGEST_LENGTH */ + char mdhex[128 + 1]; /* SHA512_DIGEST_LENGTH * 2 + 1 */ + size_t i, j, digest_len; + + digest_len = sudo_digest_getlen(digest_type); + if (digest_len == 0) + sudo_fatalx("unable to get digest length for type %d", digest_type); + if (digest_len > ssizeof(md)) + sudo_fatalx("digest length too big for type %d", digest_type); + + ctx = sudo_digest_alloc(digest_type); + if (ctx == NULL) + sudo_fatal(NULL); + + for (i = 0; test_vectors[i].str != NULL; i++) { + ntests++; + sudo_digest_update(ctx, test_vectors[i].str, test_vectors[i].len); + sudo_digest_final(ctx, md); + + /* Convert md to a hex string. */ + for (j = 0; j < digest_len; j++) { + mdhex[j * 2] = hex[md[j] >> 4]; + mdhex[(j * 2) + 1] = hex[md[j] & 0x0f]; + } + mdhex[j * 2] = '\0'; + + if (strcmp(test_vectors[i].md, mdhex) != 0) { + sudo_warnx("test %u:%zu: expected %s, got %s", digest_type, i, + mdhex, test_vectors[i].md); + errors++; + } + sudo_digest_reset(ctx); + } + sudo_digest_free(ctx); + + return; +} + +/* + * Verify SHA2 functions using NIST byte-oriented short message test vectors. + */ +int +main(int argc, char *argv[]) +{ + int ch; + + initprogname(argc > 0 ? argv[0] : "digest_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + + run_tests(SUDO_DIGEST_SHA224, sha224_vectors); + run_tests(SUDO_DIGEST_SHA256, sha256_vectors); + run_tests(SUDO_DIGEST_SHA512, sha512_vectors); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/fnmatch/fnm_test.c b/lib/util/regress/fnmatch/fnm_test.c new file mode 100644 index 0000000..e4689c8 --- /dev/null +++ b/lib/util/regress/fnmatch/fnm_test.c @@ -0,0 +1,92 @@ +/* $OpenBSD: fnm_test.c,v 1.1 2008/10/01 23:04:58 millert Exp $ */ + +/* + * Public domain, 2008, Todd C. Miller <Todd.Miller@sudo.ws> + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#ifdef HAVE_FNMATCH +# include <fnmatch.h> +#else +# include <compat/fnmatch.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +int +main(int argc, char *argv[]) +{ + FILE *fp = stdin; + char pattern[1024], string[1024], flagstr[1024]; + int ch, errors = 0, ntests = 0, flags, got, want; + + initprogname(argc > 0 ? argv[0] : "fnm_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (argc > 0) { + if ((fp = fopen(argv[0], "r")) == NULL) { + perror(argv[0]); + return EXIT_FAILURE; + } + } + + /* + * Read in test file, which is formatted thusly: + * + * pattern string flags expected_result + * + */ + for (;;) { + got = fscanf(fp, "%s %s %s %d\n", pattern, string, flagstr, + &want); + if (got == EOF) + break; + if (got == 4) { + flags = 0; + if (strcmp(flagstr, "FNM_NOESCAPE") == 0) + flags |= FNM_NOESCAPE; + else if (strcmp(flagstr, "FNM_PATHNAME") == 0) + flags |= FNM_PATHNAME; + else if (strcmp(flagstr, "FNM_PERIOD") == 0) + flags |= FNM_PERIOD; + else if (strcmp(flagstr, "FNM_LEADING_DIR") == 0) + flags |= FNM_LEADING_DIR; + else if (strcmp(flagstr, "FNM_CASEFOLD") == 0) + flags |= FNM_CASEFOLD; + got = fnmatch(pattern, string, flags); + if (got != want) { + fprintf(stderr, + "fnmatch: %s %s %d: want %d, got %d\n", + pattern, string, flags, want, got); + errors++; + } + ntests++; + } + } + if (ntests != 0) { + printf("fnmatch: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/fnmatch/fnm_test.in b/lib/util/regress/fnmatch/fnm_test.in new file mode 100644 index 0000000..3f53f93 --- /dev/null +++ b/lib/util/regress/fnmatch/fnm_test.in @@ -0,0 +1,6 @@ +/bin/[[:alpha:][:alnum:]]* /bin/ls FNM_PATHNAME 0 +/bin/[[:alpha:][:alnum:]]* /bin/LS FNM_CASEFOLD 0 +/bin/[[:opper:][:alnum:]]* /bin/ls NONE 1 +[[:alpha:][:alnum:]]*.c foo1.c FNM_PERIOD 0 +[[:upper:]]* FOO NONE 0 +[![:space:]]* bar NONE 0 diff --git a/lib/util/regress/fuzz/fuzz_sudo_conf.c b/lib/util/regress/fuzz/fuzz_sudo_conf.c new file mode 100644 index 0000000..e2e2723 --- /dev/null +++ b/lib/util/regress/fuzz/fuzz_sudo_conf.c @@ -0,0 +1,149 @@ +/* + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_conf.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +static int +fuzz_conversation(int num_msgs, const struct sudo_conv_message msgs[], + struct sudo_conv_reply replies[], struct sudo_conv_callback *callback) +{ + int n; + + for (n = 0; n < num_msgs; n++) { + const struct sudo_conv_message *msg = &msgs[n]; + + switch (msg->msg_type & 0xff) { + case SUDO_CONV_PROMPT_ECHO_ON: + case SUDO_CONV_PROMPT_MASK: + case SUDO_CONV_PROMPT_ECHO_OFF: + /* input not supported */ + return -1; + case SUDO_CONV_ERROR_MSG: + case SUDO_CONV_INFO_MSG: + /* no output for fuzzers */ + break; + default: + return -1; + } + } + return 0; +} + +int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + struct plugin_info_list *plugins = sudo_conf_plugins(); + struct sudo_conf_debug_list *debug_list = sudo_conf_debugging(); + struct sudo_conf_debug_file_list *debug_files; + char tempfile[] = "/tmp/sudo_conf.XXXXXX"; + struct sudo_conf_debug *debug_spec; + struct sudo_debug_file *debug_file; + struct plugin_info *info; + ssize_t nwritten; + int fd; + + initprogname("fuzz_sudo_conf"); + if (getenv("SUDO_FUZZ_VERBOSE") == NULL) + sudo_warn_set_conversation(fuzz_conversation); + + /* sudo_conf_read() uses a conf file path, not an open file. */ + fd = mkstemp(tempfile); + if (fd == -1) + return 0; + nwritten = write(fd, data, size); + if (nwritten == -1) { + close(fd); + return 0; + } + close(fd); + + /* sudo_conf_read() will re-init and free old data each time it runs. */ + sudo_conf_clear_paths(); + sudo_conf_read(tempfile, SUDO_CONF_ALL); + + /* Path settings. */ + if (sudo_conf_askpass_path() != NULL) + sudo_warnx("Path askpass %s", sudo_conf_askpass_path()); + if (sudo_conf_sesh_path() != NULL) + sudo_warnx("Path sesh %s", sudo_conf_sesh_path()); + if (sudo_conf_intercept_path() != NULL) + sudo_warnx("Path intercept %s", sudo_conf_intercept_path()); + if (sudo_conf_noexec_path() != NULL) + sudo_warnx("Path noexec %s", sudo_conf_noexec_path()); + if (sudo_conf_plugin_dir_path() != NULL) + sudo_warnx("Path plugin_dir %s", sudo_conf_plugin_dir_path()); + + /* Other settings. */ + sudo_warnx("Set disable_coredump %s", + sudo_conf_disable_coredump() ? "true" : "false"); + sudo_warnx("Set group_source %s", + sudo_conf_group_source() == GROUP_SOURCE_ADAPTIVE ? "adaptive" : + sudo_conf_group_source() == GROUP_SOURCE_STATIC ? "static" : "dynamic"); + sudo_warnx("Set max_groups %d", sudo_conf_max_groups()); + sudo_warnx("Set probe_interfaces %s", + sudo_conf_probe_interfaces() ? "true" : "false"); + + /* Plugins. */ + plugins = sudo_conf_plugins(); + TAILQ_FOREACH(info, plugins, entries) { + /* We don't bother with the plugin options. */ + sudo_warnx("Plugin %s %s", info->symbol_name, info->path); + } + + /* Debug settings. */ + debug_list = sudo_conf_debugging(); + TAILQ_FOREACH(debug_spec, debug_list, entries) { + TAILQ_FOREACH(debug_file, &debug_spec->debug_files, entries) { + sudo_warnx("Debug %s %s %s", debug_spec->progname, + debug_file->debug_file, debug_file->debug_flags); + } + } + + debug_files = sudo_conf_debug_files(getprogname()); + if (debug_files != NULL) { + TAILQ_FOREACH(debug_file, debug_files, entries) { + sudo_warnx("Debug %s %s %s", getprogname(), + debug_file->debug_file, debug_file->debug_flags); + } + } + + unlink(tempfile); + + fflush(stdout); + + return 0; +} diff --git a/lib/util/regress/fuzz/fuzz_sudo_conf.dict b/lib/util/regress/fuzz/fuzz_sudo_conf.dict new file mode 100644 index 0000000..4b26917 --- /dev/null +++ b/lib/util/regress/fuzz/fuzz_sudo_conf.dict @@ -0,0 +1,18 @@ +# sudo.conf keywords +"Debug" +"Path" +"Plugin" +"Set" + +# Paths +"askpass" +"sesh" +"noexec" +"plugin_dir" +"devsearch" + +# Variables +"disable_coredump" +"group_source" +"max_groups" +"probe_interfaces" diff --git a/lib/util/regress/getdelim/getdelim_test.c b/lib/util/regress/getdelim/getdelim_test.c new file mode 100644 index 0000000..31548cc --- /dev/null +++ b/lib/util/regress/getdelim/getdelim_test.c @@ -0,0 +1,186 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/wait.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <limits.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +ssize_t sudo_getdelim(char ** restrict bufp, size_t * restrict bufsizep, + int delim, FILE * restrict fp); + +/* + * Test that sudo_getdelim() works as expected. + */ + +struct getdelim_test { + const char *input; + const char *output[4]; + int delim; +}; + +static char longstr[LINE_MAX * 4]; +static struct getdelim_test test_data[] = { + { "a\nb\nc\n", { "a\n", "b\n", "c\n", NULL }, '\n' }, + { "a\nb\nc", { "a\n", "b\n", "c", NULL }, '\n' }, + { "a\tb\tc\t", { "a\t", "b\t", "c\t", NULL }, '\t' }, + { "a\tb\tc", { "a\t", "b\t", "c", NULL }, '\t' }, + { longstr, { longstr, NULL }, '\n' }, + { NULL, { NULL }, '\0' } +}; + +static int errors = 0, ntests = 0; + +static void +runtests(char **buf, size_t *buflen) +{ + int i, j, sv[2]; + pid_t pid; + FILE *fp; + + /* Exercise realloc case by injecting an entry > LINE_MAX. */ + memset(longstr, 'A', sizeof(longstr) - 2); + longstr[sizeof(longstr) - 2] = '\n'; + longstr[sizeof(longstr) - 1] = '\0'; + + for (i = 0; test_data[i].input != NULL; i++) { + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) + sudo_fatal_nodebug("socketpair"); + + switch ((pid = fork())) { + case -1: + sudo_fatal_nodebug("fork"); + case 0: + /* child */ + close(sv[0]); + if (send(sv[1], test_data[i].input, strlen(test_data[i].input), 0) == -1) { + sudo_warn_nodebug("send"); + _exit(127); + } + _exit(EXIT_SUCCESS); + break; + default: + /* parent */ + break; + } + + close(sv[1]); + if ((fp = fdopen(sv[0], "r")) == NULL) + sudo_fatal_nodebug("fdopen"); + + for (j = 0; test_data[i].output[j] != NULL; j++) { + ntests++; + alarm(10); + if (sudo_getdelim(buf, buflen, test_data[i].delim, fp) == -1) + sudo_fatal_nodebug("sudo_getdelim"); + alarm(0); + if (strcmp(*buf, test_data[i].output[j]) != 0) { + sudo_warnx_nodebug("failed test #%d: expected %s, got %s", + ntests, test_data[i].output[j], *buf); + errors++; + } + } + + /* test EOF */ + ntests++; + alarm(30); + if (sudo_getdelim(buf, buflen, test_data[i].delim, fp) != -1) { + sudo_warnx_nodebug("failed test #%d: expected EOF, got %s", + ntests, *buf); + errors++; + } else { + if (!feof(fp)) { + sudo_warn_nodebug("failed test #%d: expected EOF, got error", + ntests); + errors++; + } + } + + /* test error by closing the underlying fd. */ + clearerr(fp); + close(fileno(fp)); + ntests++; + alarm(30); + if (sudo_getdelim(buf, buflen, test_data[i].delim, fp) != -1) { + sudo_warnx_nodebug("failed test #%d: expected error, got %s", + ntests, *buf); + errors++; + } else { + /* Use feof(3), not ferror(3) so we can detect out of memory. */ + if (feof(fp)) { + sudo_warn_nodebug("failed test #%d: expected error, got EOF", + ntests); + errors++; + } + } + + fclose(fp); + waitpid(pid, NULL, 0); + alarm(0); + } +} + +int +main(int argc, char *argv[]) +{ + size_t buflen = 0; + char *buf = NULL; + int ch; + + initprogname(argc > 0 ? argv[0] : "getdelim_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + runtests(&buf, &buflen); + free(buf); + + /* XXX - redo tests with preallocated buffer filled with junk */ + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/getgrouplist/getgids.c b/lib/util/regress/getgrouplist/getgids.c new file mode 100644 index 0000000..83518f3 --- /dev/null +++ b/lib/util/regress/getgrouplist/getgids.c @@ -0,0 +1,91 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <unistd.h> +#include <pwd.h> +#include <grp.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Implement "id -G" using sudo_getgrouplist2(). + */ + +int +main(int argc, char *argv[]) +{ + char *username = NULL; + GETGROUPS_T *groups = NULL; + struct passwd *pw; + int ch, i, ngroups; + gid_t basegid; + + initprogname(argc > 0 ? argv[0] : "getgids"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v] [user]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (argc > 0) + username = argv[0]; + + if (username != NULL) { + if ((pw = getpwnam(username)) == NULL) + sudo_fatalx("unknown user name %s", username); + } else { + if ((pw = getpwuid(getuid())) == NULL) + sudo_fatalx("unknown user ID %u", (unsigned int)getuid()); + } + basegid = pw->pw_gid; + if ((username = strdup(pw->pw_name)) == NULL) + sudo_fatal(NULL); + + if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1) + sudo_fatal("sudo_getgroulist2"); + + for (i = 0; i < ngroups; i++) { + printf("%s%u", i ? " " : "", (unsigned int)groups[i]); + } + putchar('\n'); + return EXIT_SUCCESS; +} diff --git a/lib/util/regress/getgrouplist/getgrouplist_test.c b/lib/util/regress/getgrouplist/getgrouplist_test.c new file mode 100644 index 0000000..e400e60 --- /dev/null +++ b/lib/util/regress/getgrouplist/getgrouplist_test.c @@ -0,0 +1,117 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <pwd.h> +#include <grp.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_getgrouplist2() works as expected. + */ + +int +main(int argc, char *argv[]) +{ + int errors = 0; +#ifndef HAVE_GETGROUPLIST_2 + GETGROUPS_T *groups = NULL; + struct passwd *pw; + struct group *grp; + char *username; + int ch, i, j, ntests = 0; + int ngroups; + gid_t basegid; + + initprogname(argc > 0 ? argv[0] : "getgrouplist_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if ((pw = getpwuid(0)) == NULL) + sudo_fatal_nodebug("getpwuid(0)"); + basegid = pw->pw_gid; + if ((username = strdup(pw->pw_name)) == NULL) + sudo_fatal_nodebug(NULL); + + if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1) + sudo_fatal_nodebug("sudo_getgroulist2"); + + for (i = 0; i < ngroups; i++) { + ntests++; + + /* Verify group ID exists. */ + if ((grp = getgrgid(groups[i])) == NULL) { + sudo_warnx_nodebug("unable to look up group ID %u", + (unsigned int)groups[i]); + errors++; + continue; + } + + /* Check user's primary gid from the passwd file. */ + if (grp->gr_gid == basegid) + continue; + + /* Verify group membership. */ + for (j = 0; grp->gr_mem[j] != NULL; j++) { + if (strcmp(username, grp->gr_mem[j]) == 0) { + /* match */ + break; + } + } + if (grp->gr_mem[j] == NULL) { + sudo_warnx_nodebug("unable to find %s in group %s", + username, grp->gr_name); + errors++; + continue; + } + } + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + free(username); + free(groups); +#endif /* HAVE_GETGROUPLIST_2 */ + return errors; +} diff --git a/lib/util/regress/glob/files b/lib/util/regress/glob/files new file mode 100644 index 0000000..c5e92aa --- /dev/null +++ b/lib/util/regress/glob/files @@ -0,0 +1,47 @@ +fake/bin/[ +fake/bin/cat +fake/bin/chgrp +fake/bin/chio +fake/bin/chmod +fake/bin/cksum +fake/bin/cp +fake/bin/cpio +fake/bin/csh +fake/bin/date +fake/bin/dd +fake/bin/df +fake/bin/domainname +fake/bin/echo +fake/bin/ed +fake/bin/eject +fake/bin/expr +fake/bin/hostname +fake/bin/kill +fake/bin/ksh +fake/bin/ln +fake/bin/ls +fake/bin/md5 +fake/bin/mkdir +fake/bin/mt +fake/bin/mv +fake/bin/pax +fake/bin/ps +fake/bin/pwd +fake/bin/rcp +fake/bin/rksh +fake/bin/rm +fake/bin/rmail +fake/bin/rmd160 +fake/bin/rmdir +fake/bin/sh +fake/bin/sha1 +fake/bin/sha256 +fake/bin/sha384 +fake/bin/sha512 +fake/bin/sleep +fake/bin/stty +fake/bin/sum +fake/bin/sync +fake/bin/systrace +fake/bin/tar +fake/bin/test diff --git a/lib/util/regress/glob/globtest.c b/lib/util/regress/glob/globtest.c new file mode 100644 index 0000000..f3623a7 --- /dev/null +++ b/lib/util/regress/glob/globtest.c @@ -0,0 +1,224 @@ +/* $OpenBSD: globtest.c,v 1.1 2008/10/01 23:04:36 millert Exp $ */ + +/* + * Public domain, 2008, Todd C. Miller <Todd.Miller@sudo.ws> + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_GLOB +# include <glob.h> +#else +# include <compat/glob.h> +#endif +#include <errno.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +#define MAX_RESULTS 256 + +struct gl_entry { + int flags; + int nresults; + char pattern[1024]; + char *results[MAX_RESULTS]; +}; + +int test_glob(struct gl_entry *); +sudo_dso_public int main(int argc, char *argv[]); + +int +main(int argc, char **argv) +{ + FILE *fp = stdin; + char buf[2048], *cp, *ep; + int ch, errors = 0, ntests = 0, lineno; + struct gl_entry entry; + size_t len; + + initprogname(argc > 0 ? argv[0] : "globtest"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + if (argc > 0) { + if ((fp = fopen(argv[0], "r")) == NULL) { + perror(argv[0]); + return EXIT_FAILURE; + } + } + + /* + * Read in test file, which is formatted thusly: + * + * [pattern] <flags> + * result1 + * result2 + * result3 + * ... + * + */ + lineno = 0; + memset(&entry, 0, sizeof(entry)); + while (fgets(buf, sizeof(buf), fp) != NULL) { + lineno++; + len = strlen(buf); + if (len > 0) { + if (buf[len - 1] != '\n') { + fputs("globtest: missing newline at EOF\n", stderr); + return EXIT_FAILURE; + } + buf[--len] = '\0'; + } + if (len == 0) + continue; /* blank line */ + + if (buf[0] == '[') { + /* check previous pattern */ + if (entry.pattern[0]) { + errors += test_glob(&entry); + ntests++; + } + + /* start new entry */ + if ((cp = strrchr(buf + 1, ']')) == NULL) { + fprintf(stderr, + "globtest: invalid entry on line %d\n", + lineno); + return EXIT_FAILURE; + } + len = cp - buf - 1; + if (len >= sizeof(entry.pattern)) { + fprintf(stderr, + "globtest: pattern too big on line %d\n", + lineno); + return EXIT_FAILURE; + } + memcpy(entry.pattern, buf + 1, len); + entry.pattern[len] = '\0'; + + cp += 2; + if (*cp++ != '<') { + fprintf(stderr, + "globtest: invalid entry on line %d\n", + lineno); + return EXIT_FAILURE; + } + ep = strchr(cp, '>'); + if (ep == NULL) { + fprintf(stderr, + "globtest: invalid entry on line %d\n", + lineno); + return EXIT_FAILURE; + } + *ep = '\0'; + entry.flags = 0; + for ((cp = strtok_r(cp, "|", &ep)); cp != NULL; (cp = strtok_r(NULL, "|", &ep))) { + if (strcmp(cp, "GLOB_APPEND") == 0) + entry.flags |= GLOB_APPEND; + else if (strcmp(cp, "GLOB_DOOFFS") == 0) + entry.flags |= GLOB_DOOFFS; + else if (strcmp(cp, "GLOB_ERR") == 0) + entry.flags |= GLOB_ERR; + else if (strcmp(cp, "GLOB_MARK") == 0) + entry.flags |= GLOB_MARK; + else if (strcmp(cp, "GLOB_NOCHECK") == 0) + entry.flags |= GLOB_NOCHECK; + else if (strcmp(cp, "GLOB_NOSORT") == 0) + entry.flags |= GLOB_NOSORT; + else if (strcmp(cp, "GLOB_NOESCAPE") == 0) + entry.flags |= GLOB_NOESCAPE; + else if (strcmp(cp, "GLOB_BRACE") == 0) + entry.flags |= GLOB_BRACE; + else if (strcmp(cp, "GLOB_TILDE") == 0) + entry.flags |= GLOB_TILDE; + else if (strcmp(cp, "NONE") != 0) { + fprintf(stderr, + "globtest: invalid flags on line %d\n", + lineno); + return EXIT_FAILURE; + } + } + entry.nresults = 0; + continue; + } + if (!entry.pattern[0]) { + fprintf(stderr, "globtest: missing entry on line %d\n", + lineno); + return EXIT_FAILURE; + } + + if (entry.nresults + 1 > MAX_RESULTS) { + fprintf(stderr, + "globtest: too many results for %s, max %d\n", + entry.pattern, MAX_RESULTS); + return EXIT_FAILURE; + } + entry.results[entry.nresults++] = strdup(buf); + } + if (entry.pattern[0]) { + errors += test_glob(&entry); /* test last pattern */ + ntests++; + } + if (ntests != 0) { + printf("glob: %d test%s run, %d errors, %d%% success rate\n", + ntests, ntests == 1 ? "" : "s", errors, + (ntests - errors) * 100 / ntests); + } + return errors; +} + +static int +test_glob(struct gl_entry *entry) +{ + glob_t gl; + char **ap; + int nmatches = 0, i = 0; + + if (glob(entry->pattern, entry->flags, NULL, &gl) != 0) { + fprintf(stderr, "glob failed: %s: %s\n", entry->pattern, + strerror(errno)); + return 1; + } + + for (ap = gl.gl_pathv; *ap != NULL; ap++) + nmatches++; + + if (nmatches != entry->nresults) + goto mismatch; + + for (i = 0; i < entry->nresults; i++) { + if (strcmp(gl.gl_pathv[i], entry->results[i]) != 0) + goto mismatch; + free(entry->results[i]); + } + return 0; + mismatch: + if (nmatches != entry->nresults) { + fprintf(stderr, + "globtest: mismatch in number of results (found %d, expected %d) for pattern %s\n", + nmatches, entry->nresults, entry->pattern); + } else { + fprintf(stderr, "globtest: mismatch for pattern %s, flags 0x%x " + "(found \"%s\", expected \"%s\")\n", entry->pattern, entry->flags, + gl.gl_pathv[i], entry->results[i]); + while (i < entry->nresults) + free(entry->results[i++]); + } + return 1; +} diff --git a/lib/util/regress/glob/globtest.in b/lib/util/regress/glob/globtest.in new file mode 100644 index 0000000..20a86c1 --- /dev/null +++ b/lib/util/regress/glob/globtest.in @@ -0,0 +1,64 @@ +[fake/bin/[[:alpha:]]*] <NONE> +fake/bin/cat +fake/bin/chgrp +fake/bin/chio +fake/bin/chmod +fake/bin/cksum +fake/bin/cp +fake/bin/cpio +fake/bin/csh +fake/bin/date +fake/bin/dd +fake/bin/df +fake/bin/domainname +fake/bin/echo +fake/bin/ed +fake/bin/eject +fake/bin/expr +fake/bin/hostname +fake/bin/kill +fake/bin/ksh +fake/bin/ln +fake/bin/ls +fake/bin/md5 +fake/bin/mkdir +fake/bin/mt +fake/bin/mv +fake/bin/pax +fake/bin/ps +fake/bin/pwd +fake/bin/rcp +fake/bin/rksh +fake/bin/rm +fake/bin/rmail +fake/bin/rmd160 +fake/bin/rmdir +fake/bin/sh +fake/bin/sha1 +fake/bin/sha256 +fake/bin/sha384 +fake/bin/sha512 +fake/bin/sleep +fake/bin/stty +fake/bin/sum +fake/bin/sync +fake/bin/systrace +fake/bin/tar +fake/bin/test + +[fake/bin/rm{,dir,ail}] <GLOB_BRACE> +fake/bin/rm +fake/bin/rmdir +fake/bin/rmail + +[fake/bin/sha[[:digit:]]] <NONE> +fake/bin/sha1 + +[fake/bin/sha[[:digit:]]*] <NONE> +fake/bin/sha1 +fake/bin/sha256 +fake/bin/sha384 +fake/bin/sha512 + +[fake/bin/ca[a-z]] <NONE> +fake/bin/cat diff --git a/lib/util/regress/harness.in b/lib/util/regress/harness.in new file mode 100755 index 0000000..05fd298 --- /dev/null +++ b/lib/util/regress/harness.in @@ -0,0 +1,109 @@ +#!/bin/sh +# +# Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# Simple test harness for libsudo_util tests. +# usage: harness [-v] test_group [test_name ...] +# +srcdir="@abs_srcdir@" +builddir="@abs_builddir@" +SHELL=@SHELL@ +verbose=0 +rval=0 +ntests=0 +errors=0 + +umask 022 + +if [ "$1" = "-v" ]; then + verbose=1 + shift +fi + +if [ $# -eq 0 ]; then + echo "usage: harness test_group [test_name ...]" >&2 + exit 1 +fi +group="$1" +shift +srcdir=${srcdir%"/regress"} +builddir=${builddir%"/regress"} + +cd $srcdir || exit 1 + +if [ ! -d "regress/$group" ]; then + echo "missing test group: regress/$group" >&2 + exit 1 +fi + +mkdir -p "$builddir/regress/$group" +if [ $# -eq 0 ]; then + tests= + for t in regress/$group/*.in; do + tests="$tests `basename $t .in`" + done + set -- $tests +fi + + +while [ $# -ne 0 ]; do + test="$1" + shift + in="regress/$group/${test}.in" + out="$builddir/regress/$group/${test}.out" + out_ok="regress/$group/${test}.out.ok" + err="$builddir/regress/$group/${test}.err" + err_ok="regress/$group/${test}.err.ok" + + if [ "$group" = "sudo_conf" ]; then + $builddir/conf_test $in >$out 2>$err + else + $builddir/parseln_test <$in >$out 2>$err + fi + + ntests=`expr $ntests + 1` + if cmp $out $out_ok >/dev/null; then + if [ $verbose -eq 1 ]; then + echo "$group/$test: OK" + fi + else + errors=`expr $errors + 1` + echo "$group/$test: FAIL" + diff $out $out_ok || true + fi + + ntests=`expr $ntests + 1` + if test -s $err_ok; then + if cmp $err $err_ok >/dev/null; then + if [ $verbose -eq 1 ]; then + echo "$group/$test (stderr): OK" + fi + else + errors=`expr $errors + 1` + echo "$group/$test (stderr): FAIL" + diff $err $err_ok || true + fi + elif test -s $err; then + errors=`expr $errors + 1` + echo "$group/$test (stderr): FAIL" + fi +done +${AWK-awk} -v group=$group -v ntests=$ntests -v errors=$errors \ + 'END {printf("%s: %d tests run, %d errors, %d%% success rate\n", group, ntests, errors, (ntests - errors) * 100 / ntests)}' < /dev/null +if test $errors -ne 0; then + rval=`expr $rval + $errors` +fi + +exit $rval diff --git a/lib/util/regress/hexchar/hexchar_test.c b/lib/util/regress/hexchar/hexchar_test.c new file mode 100644 index 0000000..097cbcd --- /dev/null +++ b/lib/util/regress/hexchar/hexchar_test.c @@ -0,0 +1,81 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014-2015, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +struct hexchar_test { + char hex[3]; + int value; +}; + +int +main(int argc, char *argv[]) +{ + struct hexchar_test *test_data; + int i, ntests, result, errors = 0; + static const char xdigs_lower[] = "0123456789abcdef"; + static const char xdigs_upper[] = "0123456789ABCDEF"; + + initprogname(argc > 0 ? argv[0] : "hexchar_test"); + + /* Build up test data. */ + ntests = 256 + 256 + 3; + test_data = calloc((size_t)ntests, sizeof(*test_data)); + for (i = 0; i < 256; i++) { + /* lower case */ + test_data[i].value = i; + test_data[i].hex[1] = xdigs_lower[ (i & 0x0f)]; + test_data[i].hex[0] = xdigs_lower[((i & 0xf0) >> 4)]; + /* upper case */ + test_data[i + 256].value = i; + test_data[i + 256].hex[1] = xdigs_upper[ (i & 0x0f)]; + test_data[i + 256].hex[0] = xdigs_upper[((i & 0xf0) >> 4)]; + } + /* Also test invalid data */ + test_data[ntests - 3].hex[0] = '\0'; + test_data[ntests - 3].value = -1; + strlcpy(test_data[ntests - 2].hex, "AG", sizeof(test_data[ntests - 2].hex)); + test_data[ntests - 2].value = -1; + strlcpy(test_data[ntests - 1].hex, "-1", sizeof(test_data[ntests - 1].hex)); + test_data[ntests - 1].value = -1; + + for (i = 0; i < ntests; i++) { + result = sudo_hexchar(test_data[i].hex); + if (result != test_data[i].value) { + fprintf(stderr, "%s: expected %d, got %d\n", getprogname(), + test_data[i].value, result); + errors++; + } + } + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/json/json_test.c b/lib/util/regress/json/json_test.c new file mode 100644 index 0000000..5acaeb5 --- /dev/null +++ b/lib/util/regress/json/json_test.c @@ -0,0 +1,235 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <limits.h> +#include <string.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_json.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* Expected JSON output */ +const char outbuf[] = "\n" + " \"test1\": {\n" + " \"string1\": \"test\\\\\\b\\f\\n\\r\\t string1\",\n" + " \"id1\": 4294967295,\n" + " \"number1\": -1,\n" + " \"bool1\": true,\n" + " \"bool2\": false,\n" + " \"null1\": null,\n" + " \"array1\": [\n" + " \"string2\": \"test\\f\\u0011string2\",\n" + " \"number2\": -9223372036854775808,\n" + " \"number3\": 9223372036854775807\n" + " ]\n" + " }"; + +/* + * Simple tests for sudo json functions() + */ +int +main(int argc, char *argv[]) +{ + struct json_container jsonc; + struct json_value value; + int ch, errors = 0, ntests = 0; + + initprogname(argc > 0 ? argv[0] : "json_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + ntests++; + if (!sudo_json_init(&jsonc, 4, false, true, true)) { + sudo_warnx("unable to initialize json"); + errors++; + goto done; + } + + /* Open main JSON object. */ + ntests++; + if (!sudo_json_open_object(&jsonc, "test1")) { + sudo_warnx("unable to open json object"); + errors++; + goto done; + } + + /* Verify invalid value is detected. */ + value.type = -1; + value.u.string = NULL; + ntests++; + if (sudo_json_add_value(&jsonc, "bogus1", &value)) { + /* should have failed, not a fatal error */ + sudo_warnx("should not be able to add bogus type value"); + errors++; + } + + /* Verify that adding an array is not allowed. */ + value.type = JSON_ARRAY; + value.u.string = NULL; + ntests++; + if (sudo_json_add_value(&jsonc, "bogus2", &value)) { + /* should have failed, not a fatal error */ + sudo_warnx("should not be able to add array type value"); + errors++; + } + + /* Verify that adding an object is not allowed. */ + value.type = JSON_OBJECT; + value.u.string = NULL; + ntests++; + if (sudo_json_add_value(&jsonc, "bogus3", &value)) { + /* should have failed, not a fatal error */ + sudo_warnx("should not be able to add object type value"); + errors++; + } + + value.type = JSON_STRING; + value.u.string = "test\\\b\f\n\r\t string1"; + ntests++; + if (!sudo_json_add_value(&jsonc, "string1", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add string value (string1)"); + errors++; + } + + value.type = JSON_ID; + value.u.id = 0xffffffff; + ntests++; + if (!sudo_json_add_value(&jsonc, "id1", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add ID value (0xffffffff)"); + errors++; + } + + value.type = JSON_NUMBER; + value.u.number = -1; + ntests++; + if (!sudo_json_add_value(&jsonc, "number1", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add number value (-1)"); + errors++; + } + + value.type = JSON_BOOL; + value.u.boolean = true; + ntests++; + if (!sudo_json_add_value(&jsonc, "bool1", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add bool value (true)"); + errors++; + } + value.u.boolean = false; + ntests++; + if (!sudo_json_add_value(&jsonc, "bool2", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add bool value (false)"); + errors++; + } + + value.type = JSON_NULL; + ntests++; + if (!sudo_json_add_value(&jsonc, "null1", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add null value"); + errors++; + } + + /* Open JSON array. */ + ntests++; + if (!sudo_json_open_array(&jsonc, "array1")) { + sudo_warnx("unable to open json array"); + errors++; + goto done; + } + + value.type = JSON_STRING; + value.u.string = "test\x0c\x11string2"; + ntests++; + if (!sudo_json_add_value(&jsonc, "string2", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add string value (string2)"); + errors++; + } + + value.type = JSON_NUMBER; + value.u.number = LLONG_MIN; + ntests++; + if (!sudo_json_add_value(&jsonc, "number2", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add number value (LLONG_MIN)"); + errors++; + } + value.u.number = LLONG_MAX; + ntests++; + if (!sudo_json_add_value(&jsonc, "number3", &value)) { + /* not a fatal error */ + sudo_warnx("unable to add number value (LLONG_MAX)"); + errors++; + } + + /* Close JSON array. */ + if (!sudo_json_close_array(&jsonc)) { + sudo_warnx("unable to close json array"); + errors++; + goto done; + } + + /* Close main JSON object. */ + if (!sudo_json_close_object(&jsonc)) { + sudo_warnx("unable to close json object"); + errors++; + goto done; + } + + if (strcmp(outbuf, jsonc.buf) != 0) { + fprintf(stderr, "Expected:\n%s\n", outbuf); + fprintf(stderr, "Received:\n%s\n", jsonc.buf); + } + +done: + sudo_json_free(&jsonc); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/mktemp/mktemp_test.c b/lib/util/regress/mktemp/mktemp_test.c new file mode 100644 index 0000000..b441431 --- /dev/null +++ b/lib/util/regress/mktemp/mktemp_test.c @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2010 Philip Guenther <guenther@openbsd.org> + * + * Public domain. + * + * Verify that mkdtemp() and mkstemps() doesn't overrun or underrun + * the template buffer and that it can generate names that don't + * contain any X's + */ + +#include <config.h> + +#include <sys/mman.h> +#include <sys/stat.h> + +#include <errno.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +#ifndef MAP_ANON +# if defined(MAP_ANONYMOUS) +# define MAP_ANON MAP_ANONYMOUS +# endif +#endif + +#ifndef MAP_FAILED +# define MAP_FAILED ((void *) -1) +#endif + +#define MAX_TEMPLATE_LEN 10 +#define MAX_TRIES 100 +#define MIN_Xs 6 + +#define SUFFIX ".suff" +#define SLEN (sizeof SUFFIX - 1) + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * verify that a path generated by mkdtemp() or mkstemp() looks like a + * reasonable expansion of the template and matches the fd. Returns true + * if all the X's were replaced with non-X's + */ +static int +check(int fd, char const *kind, char const *path, char const *prefix, + size_t plen, char const *suffix, size_t slen, size_t tlen) +{ + struct stat sb, fsb; + char const *p; + + if (tlen < MIN_Xs) { + if (fd != -1) + sudo_fatalx("%s(%s) succeed with too few Xs", kind, path); + if (errno != EINVAL) + sudo_fatal("%s(%s) failed with wrong errno: %d", kind, path, errno); + return 1; + } + if (fd == -1) + sudo_fatal("%s(%s)", kind, path); + if (stat(path, &sb)) + sudo_fatal("%s: stat(%s)", kind, path); + if (fd >= 0) { + if (fstat(fd, &fsb)) + sudo_fatal("%s: fstat(%d==%s)", kind, fd, path); + if (sb.st_dev != fsb.st_dev || sb.st_ino != fsb.st_ino) + sudo_fatalx("%s: stat mismatch", kind); + } + if (memcmp(path, prefix, plen) != 0) + sudo_fatalx("%s: prefix changed! %s vs %s", kind, prefix, path); + if (memcmp(path + plen + tlen, suffix, slen + 1) != 0) + sudo_fatalx("%s: suffix changed! %s vs %s", kind, suffix, path); + for (p = path + plen; p < path + plen + tlen; p++) + if (*p == '\0') + sudo_fatalx("%s: unexpected truncation", kind); + else if (*p == 'X') + return 0; + return 1; +} + +static void +try_mkdtemp(char *p, char const *prefix, size_t len) +{ + size_t plen = strlen(prefix); + int fd, tries, ok; + + for (tries = 0; tries < MAX_TRIES; tries++) { + memcpy(p, prefix, plen); + memset(p + plen, 'X', len); + p[plen + len] = '\0'; + fd = mkdtemp(p) ? -2 : -1; + ok = check(fd, "mkdtemp", p, prefix, plen, "", 0, len); + rmdir(p); + if (ok) + return; + } + sudo_fatalx("mkdtemp: exceeded MAX_TRIES"); +} + +static void +try_mkstemps(char *p, char const *prefix, size_t len, char const *suffix) +{ + size_t plen = strlen(prefix); + size_t slen = strlen(suffix); + int tries, fd, ok; + + for (tries = 0; tries < MAX_TRIES; tries++) { + memcpy(p, prefix, plen); + memset(p + plen, 'X', len); + memcpy(p + plen + len, suffix, slen + 1); + fd = mkstemps(p, (int)slen); + ok = check(fd, "mkstemp", p, prefix, plen, suffix, slen, len); + close(fd); + unlink(p); + if (ok) + return; + } + sudo_fatalx("mkstemps: exceeded MAX_TRIES"); +} + +int +main(int argc, char *argv[]) +{ + char cwd[PATH_MAX + 1]; + char *p; + size_t clen, i; + size_t pg; + int ch; + + initprogname(argc > 0 ? argv[0] : "mktemp_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + pg = (size_t)sysconf(_SC_PAGESIZE); + if (getcwd(cwd, sizeof cwd - 1) == NULL) + sudo_fatal("getcwd"); + clen = strlen(cwd); + cwd[clen++] = '/'; + cwd[clen] = '\0'; +#ifdef MAP_ANON + p = mmap(NULL, pg * 3, PROT_READ | PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); +#else + ch = open("/dev/zero", O_RDWR); + if (ch == -1) + sudo_fatal("/dev/zero"); + p = mmap(NULL, pg * 3, PROT_READ | PROT_WRITE, MAP_PRIVATE, ch, 0); +#endif + if (p == MAP_FAILED) + sudo_fatal("mmap"); + if (mprotect(p, pg, PROT_NONE) || mprotect(p + pg * 2, pg, PROT_NONE)) + sudo_fatal("mprotect"); + p += pg; + + for (i = MAX_TEMPLATE_LEN; i != 0; i--) { + /* try first at the start of a page, no prefix */ + try_mkdtemp(p, "", i); + /* now at the end of the page, no prefix */ + try_mkdtemp(p + pg - i - 1, "", i); + /* start of the page, prefixed with the cwd */ + try_mkdtemp(p, cwd, i); + /* how about at the end of the page, prefixed with cwd? */ + try_mkdtemp(p + pg - clen - i - 1, cwd, i); + + /* again, with mkstemps() and an empty suffix */ + /* try first at the start of a page, no prefix */ + try_mkstemps(p, "", i, ""); + /* now at the end of the page, no prefix */ + try_mkstemps(p + pg - i - 1, "", i, ""); + /* start of the page, prefixed with the cwd */ + try_mkstemps(p, cwd, i, ""); + /* how about at the end of the page, prefixed with cwd? */ + try_mkstemps(p + pg - clen - i - 1, cwd, i, ""); + + /* mkstemps() and a non-empty suffix */ + /* try first at the start of a page, no prefix */ + try_mkstemps(p, "", i, SUFFIX); + /* now at the end of the page, no prefix */ + try_mkstemps(p + pg - i - SLEN - 1, "", i, SUFFIX); + /* start of the page, prefixed with the cwd */ + try_mkstemps(p, cwd, i, SUFFIX); + /* how about at the end of the page, prefixed with cwd? */ + try_mkstemps(p + pg - clen - i - SLEN - 1, cwd, i, SUFFIX); + } + + return 0; +} diff --git a/lib/util/regress/multiarch/multiarch_test.c b/lib/util/regress/multiarch/multiarch_test.c new file mode 100644 index 0000000..a6e70c1 --- /dev/null +++ b/lib/util/regress/multiarch/multiarch_test.c @@ -0,0 +1,184 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +#ifdef __linux__ +# include <sys/utsname.h> + +# if defined(__ILP32__) +# define ARCH_LIB "libx32" +# elif defined(__LP64__) +# define ARCH_LIB "lib64" +# else +# define ARCH_LIB "lib32" +# endif + +struct multiarch_test { + const char *inpath; + char *outpath; +}; + +static struct multiarch_test * +make_test_data(void) +{ + struct multiarch_test *test_data; + struct utsname unamebuf; + int i; + + if (uname(&unamebuf) == -1) + return NULL; + + test_data = calloc(7, sizeof(*test_data)); + if (test_data == NULL) + return NULL; + + test_data[0].inpath = "/usr/" ARCH_LIB "/libfoo.so"; + i = asprintf(&test_data[0].outpath, "/usr/lib/%s-linux-gnu/libfoo.so", + unamebuf.machine); + if (i == -1) { + test_data[0].outpath = NULL; + goto bad; + } + + test_data[1].inpath = "/usr/lib/something.so"; + i = asprintf(&test_data[1].outpath, "/usr/lib/%s-linux-gnu/something.so", + unamebuf.machine); + if (i == -1) { + test_data[1].outpath = NULL; + goto bad; + } + + test_data[2].inpath = "/usr/libexec/libbar.so"; + i = asprintf(&test_data[2].outpath, "/usr/libexec/%s-linux-gnu/libbar.so", + unamebuf.machine); + if (i == -1) { + test_data[2].outpath = NULL; + goto bad; + } + + test_data[3].inpath = "/usr/local/lib/sudo/libsudo_util.so"; + i = asprintf(&test_data[3].outpath, "/usr/local/lib/%s-linux-gnu/sudo/libsudo_util.so", + unamebuf.machine); + if (i == -1) { + test_data[3].outpath = NULL; + goto bad; + } + + test_data[4].inpath = "/opt/sudo/lib/sudoers.so"; + i = asprintf(&test_data[4].outpath, "/opt/sudo/lib/%s-linux-gnu/sudoers.so", + unamebuf.machine); + if (i == -1) { + test_data[4].outpath = NULL; + goto bad; + } + + i = asprintf(&test_data[5].outpath, "/usr/lib/%s-linux-gnu/something.so", + unamebuf.machine); + if (i == -1) { + test_data[5].outpath = NULL; + goto bad; + } + test_data[5].inpath = test_data[5].outpath; + test_data[5].outpath = NULL; + + return test_data; +bad: + for (i = 0; test_data[i].outpath != NULL; i++) + free(test_data[i].outpath); + free(test_data); + return NULL; +} +#endif /* __linux__ */ + +int +main(int argc, char *argv[]) +{ + int ch, errors = 0; +#ifdef __linux__ + int ntests = 0; + struct multiarch_test *test_data; +#endif + + initprogname(argc > 0 ? argv[0] : "multiarch_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + +#ifdef __linux__ + test_data = make_test_data(); + if (test_data == NULL) { + sudo_warnx("%s", "failed to generate test data"); + return EXIT_FAILURE; + } + + for (ch = 0; test_data[ch].inpath != NULL; ch++) { + char *outpath = sudo_stat_multiarch(test_data[ch].inpath, NULL); + ntests++; + if (outpath == NULL) { + if (test_data[ch].outpath != NULL) { + sudo_warnx("%s: sudo_stat_multiarch failed", + test_data[ch].inpath); + errors++; + } + } else if (strcmp(outpath, test_data[ch].outpath) != 0) { + sudo_warnx("%s: expected %s got %s", test_data[ch].inpath, + test_data[ch].outpath, outpath); + errors++; + } + /* For test_data[5], inpath is allocated and outpath is NULL. */ + if (test_data[ch].outpath != NULL) + free(test_data[ch].outpath); + else + free((char *)test_data[ch].inpath); + free(outpath); + } + free(test_data); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } +#endif /* __linux__ */ + return errors; +} diff --git a/lib/util/regress/open_parent_dir/open_parent_dir_test.c b/lib/util/regress/open_parent_dir/open_parent_dir_test.c new file mode 100644 index 0000000..0a4f252 --- /dev/null +++ b/lib/util/regress/open_parent_dir/open_parent_dir_test.c @@ -0,0 +1,166 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +static int errors = 0, ntests = 0; + +static int +run_test(const char *tdir, const char *path, uid_t uid, gid_t gid) +{ + char *cp, fullpath[PATH_MAX]; + struct stat sb1, sb2; + int dfd, len; + int ret = -1; + + /* Test creating full path. */ + len = snprintf(fullpath, sizeof(fullpath), "%s/%s", tdir, path); + if (len < 0 || len >= ssizeof(fullpath)) { + errno = ENAMETOOLONG; + sudo_fatal("%s/%s", tdir, path); + } + ntests++; + dfd = sudo_open_parent_dir(fullpath, uid, gid, 0700, false); + if (dfd == -1) { + errors++; + goto done; + } + + /* Verify that we only created the parent dir, not full path. */ + ntests++; + if (stat(fullpath, &sb1) == 0) { + sudo_warnx("created full path \"%s\", not just parent dir", + fullpath); + errors++; + goto done; + } + + /* Verify that dfd refers to the parent dir. */ + ntests++; + cp = strrchr(fullpath, '/'); + *cp = '\0'; + if (stat(fullpath, &sb1) == -1) { + sudo_warn("%s", fullpath); + errors++; + goto done; + } + if (fstat(dfd, &sb2) == -1) { + sudo_warn("%s", fullpath); + errors++; + goto done; + } + if (sb1.st_dev != sb2.st_dev || sb1.st_ino != sb2.st_ino) { + sudo_warn("%s: sudo_open_parent_dir fd mismatch", fullpath); + errors++; + goto done; + } + +done: + if (dfd != -1) + close(dfd); + return ret; +} + +int +main(int argc, char *argv[]) +{ + char tdir[] = "open_parent_dir.XXXXXXXX"; + int ch, dfd, fd, len; + char cmd[1024]; + uid_t uid; + gid_t gid; + + initprogname(argc > 0 ? argv[0] : "open_parent_dir_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + uid = geteuid(); + gid = getegid(); + + /* All tests relative to tdir. */ + if (mkdtemp(tdir) == NULL) + sudo_fatal("%s", tdir); + + /* Test creating new path. */ + dfd = run_test(tdir, "level1/level2/level3", uid, gid); + + /* Verify we can create a new file in the new parent dir. */ + if (dfd != -1) { + ntests++; + fd = openat(dfd, "testfile", O_WRONLY|O_CREAT|O_EXCL, 0600); + if (fd == -1) { + errors++; + } else { + close(fd); + } + close(dfd); + dfd = -1; + } + + /* Test exiting path when final component exists. */ + dfd = run_test(tdir, "level1/level2/testfile", uid, gid); + if (dfd != -1) { + unlinkat(dfd, "testfile", 0); + close(dfd); + } + + /* Test exiting path when final component doesn't exist. */ + dfd = run_test(tdir, "level1/level2/testfile", uid, gid); + if (dfd != -1) + close(dfd); + + /* Cleanup */ + len = snprintf(cmd, sizeof(cmd), "rm -rf \"%s\"", tdir); + if (len < 0 || len >= ssizeof(cmd)) { + errno = ENAMETOOLONG; + sudo_fatalx("rm -rf %s", tdir); + } + ignore_result(system(cmd)); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/parse_gids/parse_gids_test.c b/lib/util/regress/parse_gids/parse_gids_test.c new file mode 100644 index 0000000..3a94a72 --- /dev/null +++ b/lib/util/regress/parse_gids/parse_gids_test.c @@ -0,0 +1,124 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_parse_gids() works as expected. + */ + +struct parse_gids_test { + const char *gids; + gid_t *baseptr; + gid_t basegid; + int ngids; + const GETGROUPS_T *gidlist; +}; + +static const GETGROUPS_T test1_out[] = { 0, 1, 2, 3, 4 }; +static const GETGROUPS_T test2_out[] = { 1, 2, 3, 4 }; +static const GETGROUPS_T test3_out[] = { 0, 1, (gid_t)-2, 3, 4 }; + +/* XXX - test syntax errors too */ +static struct parse_gids_test test_data[] = { + { "1,2,3,4", &test_data[0].basegid, 0, 5, test1_out }, + { "1,2,3,4", NULL, 0, 4, test2_out }, + { "1,-2,3,4", &test_data[2].basegid, 0, 5, test3_out }, + { NULL, false, 0, 0, NULL } +}; + +static void +dump_gids(const char *prefix, int ngids, const GETGROUPS_T *gidlist) +{ + int i; + + fprintf(stderr, "%s: %s: ", getprogname(), prefix); + for (i = 0; i < ngids; i++) { + fprintf(stderr, "%s%d", i ? ", " : "", (int)gidlist[i]); + } + fputc('\n', stderr); +} + +int +main(int argc, char *argv[]) +{ + GETGROUPS_T *gidlist = NULL; + size_t i; + int j, errors = 0, ntests = 0; + int ch, ngids; + + initprogname(argc > 0 ? argv[0] : "parse_gids_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (i = 0; test_data[i].gids != NULL; i++) { + free(gidlist); + gidlist = NULL; + ngids = sudo_parse_gids(test_data[i].gids, test_data[i].baseptr, &gidlist); + if (ngids == -1) + sudo_fatal_nodebug("sudo_parse_gids"); + ntests++; + if (ngids != test_data[i].ngids) { + sudo_warnx_nodebug("test #%d: expected %d gids, got %d", + ntests, test_data[i].ngids, ngids); + dump_gids("expected", test_data[i].ngids, test_data[i].gidlist); + dump_gids("received", ngids, gidlist); + errors++; + continue; + } + ntests++; + for (j = 0; j < ngids; j++) { + if (test_data[i].gidlist[j] != gidlist[j]) { + sudo_warnx_nodebug("test #%d: gid mismatch", ntests); + dump_gids("expected", test_data[i].ngids, test_data[i].gidlist); + dump_gids("received", ngids, gidlist); + errors++; + break; + } + } + } + free(gidlist); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/progname/progname_test.c b/lib/util/regress/progname/progname_test.c new file mode 100644 index 0000000..330736c --- /dev/null +++ b/lib/util/regress/progname/progname_test.c @@ -0,0 +1,67 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that getprogname() returns the expected result. + * On some systems (AIX), we may have issues with symbolic links. + */ + +int +main(int argc, char *argv[]) +{ + const char *progbase = "progname_test"; + int ch; + + if (argc > 0) + progbase = sudo_basename(argv[0]); + initprogname(progbase); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", progbase); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + /* Make sure getprogname() matches basename of argv[0]. */ + if (strcmp(getprogname(), progbase) != 0) { + printf("%s: FAIL: incorrect program name \"%s\"\n", + progbase, getprogname()); + return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +} diff --git a/lib/util/regress/regex/regex_test.c b/lib/util/regress/regex/regex_test.c new file mode 100644 index 0000000..ce629c6 --- /dev/null +++ b/lib/util/regress/regex/regex_test.c @@ -0,0 +1,126 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <sys/types.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +struct regex_test { + const char *pattern; + bool result; +}; + +static struct regex_test test_data[] = { + { "ab++", false }, + { "ab\\++", true }, + { "ab+\\+", true }, + { "ab**", false }, + { "ab\\**", true }, + { "ab*\\*", true }, + { "ab??", false }, + { "ab\\??", true }, + { "ab?\\?", true }, + { "ab{1}{1}", false }, + { "ab{1}{1,1}", false }, + { "ab{1}{,1}", false }, + { "ab{1}{1,}", false }, + { "ab{1}\\{1}", true }, + { "ab{1}\\{1,1}", true }, + { "ab{1}\\{,1}", true }, + { "ab{1}\\{1,}", true }, + { "ab+*", false }, + { "ab\\+*", true }, + { "ab+\\*", true }, + { "ab*+", false }, + { "ab\\*+", true }, + { "ab*\\+", true }, + { "ab?*", false }, + { "ab\\?*", true }, + { "ab?\\*", true }, + { "ab{1}*", false }, + { "ab\\{1}*", true }, + { "ab{1}\\*", true }, + { "ab{256}", false }, + { "ab{,256}", false }, + { "ab{256,}", false }, + { "ab{1,256}", false }, + { "ab{1,\\256}", false }, + { "ab{1,2\\56}", false }, + { "ab{256,1}", false }, + { "ab{\\256,1}", false }, + { "ab{2\\56,1}", false }, + { NULL } +}; + +int +main(int argc, char *argv[]) +{ + struct regex_test *td; + const char *errstr; + int errors = 0, ntests = 0; + bool result; + int ch; + + initprogname(argc > 0 ? argv[0] : "regex_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (td = test_data; td->pattern != NULL; td++) { + ntests++; + result = sudo_regex_compile(NULL, td->pattern, &errstr); + if (result != td->result) { + sudo_warnx("%s: expected %d, got %d", td->pattern, (int)td->result, + (int)result); + errors++; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/strsig/strsig_test.c b/lib/util/regress/strsig/strsig_test.c new file mode 100644 index 0000000..79b40fa --- /dev/null +++ b/lib/util/regress/strsig/strsig_test.c @@ -0,0 +1,319 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Note: we do not test SIGUNUSED as it may not appear in sys_sigabbrev[] + * on Linux. FreeBSD is missing SIGLWP (aka SIGTHR) in sys_signame[]. + */ +static struct signal_data { + int rval; + int signo; + const char *sigstr; + const char *altstr; +} signal_data[] = { +#ifdef SIGHUP + { 0, SIGHUP, "HUP", NULL }, +#endif +#ifdef SIGINT + { 0, SIGINT, "INT", NULL }, +#endif +#ifdef SIGQUIT + { 0, SIGQUIT, "QUIT", NULL }, +#endif +#ifdef SIGILL + { 0, SIGILL, "ILL", NULL }, +#endif +#ifdef SIGTRAP + { 0, SIGTRAP, "TRAP", NULL }, +#endif +#ifdef SIGABRT + { 0, SIGABRT, "ABRT", "IOT" }, +#endif +#ifdef SIGIOT + { 0, SIGIOT, "IOT", "ABRT" }, +#endif +#ifdef SIGEMT + { 0, SIGEMT, "EMT", NULL }, +#endif +#ifdef SIGFPE + { 0, SIGFPE, "FPE", NULL }, +#endif +#ifdef SIGKILL + { 0, SIGKILL, "KILL", NULL }, +#endif +#ifdef SIGBUS + { 0, SIGBUS, "BUS", NULL }, +#endif +#ifdef SIGSEGV + { 0, SIGSEGV, "SEGV", NULL }, +#endif +#ifdef SIGSYS + { 0, SIGSYS, "SYS", NULL }, +#endif +#ifdef SIGPIPE + { 0, SIGPIPE, "PIPE", NULL }, +#endif +#ifdef SIGALRM + { 0, SIGALRM, "ALRM", NULL }, +#endif +#ifdef SIGTERM + { 0, SIGTERM, "TERM", NULL }, +#endif +#ifdef SIGSTKFLT + { 0, SIGSTKFLT, "STKFLT", NULL }, +#endif +#ifdef SIGIO + { 0, SIGIO, "IO", "POLL"}, +#endif +#ifdef SIGXCPU + { 0, SIGXCPU, "XCPU", NULL }, +#endif +#ifdef SIGXFSZ + { 0, SIGXFSZ, "XFSZ", NULL }, +#endif +#ifdef SIGVTALRM + { 0, SIGVTALRM, "VTALRM", NULL }, +#endif +#ifdef SIGPROF + { 0, SIGPROF, "PROF", NULL }, +#endif +#ifdef SIGWINCH + { 0, SIGWINCH, "WINCH", NULL }, +#endif +#ifdef SIGLOST + { 0, SIGLOST, "LOST", NULL }, +#endif +#ifdef SIGUSR1 + { 0, SIGUSR1, "USR1", NULL }, +#endif +#ifdef SIGUSR2 + { 0, SIGUSR2, "USR2", NULL }, +#endif +#ifdef SIGPWR + { 0, SIGPWR, "PWR", NULL }, +#endif +#ifdef SIGPOLL + { 0, SIGPOLL, "POLL", "IO" }, +#endif +#ifdef SIGSTOP + { 0, SIGSTOP, "STOP", NULL }, +#endif +#ifdef SIGTSTP + { 0, SIGTSTP, "TSTP", NULL }, +#endif +#ifdef SIGCONT + { 0, SIGCONT, "CONT", NULL }, +#endif +#ifdef SIGCHLD + { 0, SIGCHLD, "CHLD", "CLD" }, +#endif +#ifdef SIGCLD + { 0, SIGCLD, "CLD", "CHLD" }, +#endif +#ifdef SIGTTIN + { 0, SIGTTIN, "TTIN", NULL }, +#endif +#ifdef SIGTTOU + { 0, SIGTTOU, "TTOU", NULL }, +#endif +#ifdef SIGINFO + { 0, SIGINFO, "INFO", NULL }, +#endif +#ifdef SIGURG + { 0, SIGURG, "URG", NULL }, +#endif +#ifdef SIGWAITING + { 0, SIGWAITING, "WAITING", NULL }, +#endif +#if defined(SIGLWP) && !defined(__FreeBSD__) + { 0, SIGLWP, "LWP", NULL }, +#endif +#ifdef SIGFREEZE + { 0, SIGFREEZE, "FREEZE", NULL }, +#endif +#ifdef SIGTHAW + { 0, SIGTHAW, "THAW", NULL }, +#endif +#ifdef SIGCANCEL + { 0, SIGCANCEL, "CANCEL", NULL }, +#endif +#if defined(SIGRTMIN) && defined(SIGRTMAX) + { 0, -1, "RTMIN", NULL }, + { 0, -1, "RTMIN+1", NULL }, + { 0, -1, "RTMIN+2", NULL }, + { 0, -1, "RTMIN+3", NULL }, + { 0, -1, "RTMAX-3", NULL }, + { 0, -1, "RTMAX-2", NULL }, + { 0, -1, "RTMAX-1", NULL }, + { 0, -1, "RTMAX", NULL }, +#endif + { -1, 1024, "QWERT", NULL }, /* invalid */ + { -1, 0, NULL, NULL } +}; + +#ifndef HAVE_SIG2STR +static int +test_sig2str(int *ntests) +{ + struct signal_data *d; + int rval, errors = 0; + char sigstr[SIG2STR_MAX]; + + for (d = signal_data; d->signo != 0; d++) { + (*ntests)++; + rval = sudo_sig2str(d->signo, sigstr); + if (rval != d->rval) { + sudo_warnx_nodebug("FAIL: sig2str(SIG%s): %d != %d", + d->sigstr, rval, d->rval); + errors++; + continue; + } + if (rval != 0) + continue; + if (strcmp(sigstr, d->sigstr) != 0 && + (d->altstr != NULL && strcmp(sigstr, d->altstr) != 0)) { + sudo_warnx_nodebug("FAIL: signal %d: %s != %s", d->signo, + sigstr, d->sigstr); + errors++; + continue; + } + } + + return errors; +} +#else +static int +test_sig2str(int *ntests) +{ + return 0; +} +#endif /* HAVE_SIG2STR */ + +#ifndef HAVE_STR2SIG +static int +test_str2sig(int *ntests) +{ + struct signal_data *d; + int rval, errors = 0; + int signo; + + for (d = signal_data; d->sigstr != NULL; d++) { + (*ntests)++; + rval = sudo_str2sig(d->sigstr, &signo); + if (rval != d->rval) { + sudo_warnx_nodebug("FAIL: str2sig(SIG%s): %d != %d", + d->sigstr, rval, d->rval); + errors++; + continue; + } + if (rval != 0) + continue; + if (signo != d->signo) { + sudo_warnx_nodebug("FAIL: signal SIG%s: %d != %d", d->sigstr, + signo, d->signo); + errors++; + continue; + } + } + + return errors; +} +#else +static int +test_str2sig(int *ntests) +{ + return 0; +} +#endif /* HAVE_STR2SIG */ + +#if defined(SIGRTMIN) && defined(SIGRTMAX) +static +void init_sigrt(void) +{ + int i; + + /* Initialize real-time signal values. */ + for (i = 0; signal_data[i].signo != -1; i++) + continue; + signal_data[i++].signo = SIGRTMIN; + signal_data[i++].signo = SIGRTMIN + 1; + signal_data[i++].signo = SIGRTMIN + 2; + signal_data[i++].signo = SIGRTMIN + 3; + signal_data[i++].signo = SIGRTMAX - 3; + signal_data[i++].signo = SIGRTMAX - 2; + signal_data[i++].signo = SIGRTMAX - 1; + signal_data[i++].signo = SIGRTMAX; + +} +#else +static +void init_sigrt(void) +{ + /* No real-time signals. */ + return; +} +#endif + +/* + * Simple tests for sig2str() and str2sig(). + */ +int +main(int argc, char *argv[]) +{ + int ch, errors = 0, ntests = 0; + + initprogname(argc > 0 ? argv[0] : "strsig_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + init_sigrt(); + errors += test_sig2str(&ntests); + errors += test_str2sig(&ntests); + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/strsplit/strsplit_test.c b/lib/util/regress/strsplit/strsplit_test.c new file mode 100644 index 0000000..fb868f4 --- /dev/null +++ b/lib/util/regress/strsplit/strsplit_test.c @@ -0,0 +1,117 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_strsplit() works as expected. + */ + +struct strsplit_test { + const char *input; + size_t input_len; + const char **output; +}; + +static const char test1_in[] = " vi "; +static const char *test1_out[] = { "vi", NULL }; +static const char test2_in[] = "vi -r "; +static const char *test2_out[] = { "vi", "-r", NULL }; +static const char test3_in[] = "vi -r -R abc\tdef "; +static const char *test3_out[] = { "vi", "-r", "-R", "abc", "def", NULL }; +static const char test4_in[] = "vi -r -R abc\tdef "; +static const char *test4_out[] = { "vi", "-r", "-R", "abc", NULL }; +static const char test5_in[] = ""; +static const char *test5_out[] = { NULL }; + +static struct strsplit_test test_data[] = { + { test1_in, sizeof(test1_in) - 1, test1_out }, + { test2_in, sizeof(test2_in) - 1, test2_out }, + { test3_in, sizeof(test3_in) - 1, test3_out }, + { test4_in, sizeof(test4_in) - 5, test4_out }, + { test5_in, sizeof(test5_in) - 1, test5_out }, + { NULL, 0, NULL } +}; + +int +main(int argc, char *argv[]) +{ + const char *cp, *ep, *input_end; + int ch, i, j, errors = 0, ntests = 0; + size_t len; + + initprogname(argc > 0 ? argv[0] : "strsplit_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (i = 0; test_data[i].input != NULL; i++) { + input_end = test_data[i].input + test_data[i].input_len; + cp = sudo_strsplit(test_data[i].input, input_end, " \t", &ep); + for (j = 0; test_data[i].output[j] != NULL; j++) { + ntests++; + len = strlen(test_data[i].output[j]); + if ((size_t)(ep - cp) != len) { + sudo_warnx_nodebug("failed test #%d: bad length, expected " + "%zu, got %zu", ntests, len, (size_t)(ep - cp)); + errors++; + continue; + } + ntests++; + if (strncmp(cp, test_data[i].output[j], len) != 0) { + sudo_warnx_nodebug("failed test #%d: expected %s, got %.*s", + ntests, test_data[i].output[j], (int)(ep - cp), cp); + errors++; + continue; + } + cp = sudo_strsplit(NULL, input_end, " \t", &ep); + } + ntests++; + if (cp != NULL) { + sudo_warnx_nodebug("failed test #%d: extra tokens \"%.*s\"", + ntests, (int)(input_end - cp), cp); + errors++; + } + } + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/regress/strtofoo/strtobool_test.c b/lib/util/regress/strtofoo/strtobool_test.c new file mode 100644 index 0000000..8264d4f --- /dev/null +++ b/lib/util/regress/strtofoo/strtobool_test.c @@ -0,0 +1,98 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* sudo_strtobool() tests */ +static struct strtobool_data { + const char *bool_str; + int value; +} strtobool_data[] = { + { "true", true }, + { "false", false }, + { "TrUe", true }, + { "fAlSe", false }, + { "1", true }, + { "0", false }, + { "on", true }, + { "off", false }, + { "yes", true }, + { "no", false }, + { "nope", -1 }, + { "10", -1 }, + { "one", -1 }, + { "zero", -1 }, + { NULL, 0 } +}; + +/* + * Simple tests for sudo_strtobool() + */ +int +main(int argc, char *argv[]) +{ + struct strtobool_data *d; + int errors = 0, ntests = 0; + int ch, value; + + initprogname(argc > 0 ? argv[0] : "strtobool_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (d = strtobool_data; d->bool_str != NULL; d++) { + ntests++; + value = sudo_strtobool(d->bool_str); + if (value != d->value) { + sudo_warnx_nodebug("FAIL: %s != %d", d->bool_str, d->value); + errors++; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/strtofoo/strtoid_test.c b/lib/util/regress/strtofoo/strtoid_test.c new file mode 100644 index 0000000..6e5998f --- /dev/null +++ b/lib/util/regress/strtofoo/strtoid_test.c @@ -0,0 +1,118 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* sudo_strtoidx() tests */ +static struct strtoidx_data { + const char *idstr; + id_t id; + const char *sep; + const char *ep; + int errnum; +} strtoidx_data[] = { + { "0,1", 0, ",", ",", 0 }, + { "10", 10, NULL, NULL, 0 }, + { "-1", 0, NULL, NULL, EINVAL }, + { "4294967295", 0, NULL, NULL, EINVAL }, + { "4294967296", 0, NULL, NULL, ERANGE }, + { "-2147483649", 0, NULL, NULL, ERANGE }, + { "-2", (id_t)-2, NULL, NULL, 0 }, +#if SIZEOF_ID_T != SIZEOF_LONG_LONG + { "-2", (id_t)4294967294U, NULL, NULL, 0 }, +#endif + { "4294967294", (id_t)4294967294U, NULL, NULL, 0 }, + { NULL, 0, NULL, NULL, 0 } +}; + +/* + * Simple tests for sudo_strtoidx() + */ +int +main(int argc, char *argv[]) +{ + int ch, errors = 0, ntests = 0; + struct strtoidx_data *d; + const char *errstr; + char *ep; + id_t value; + + initprogname(argc > 0 ? argv[0] : "strtoid_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (d = strtoidx_data; d->idstr != NULL; d++) { + ntests++; + errstr = "some error"; + value = sudo_strtoidx(d->idstr, d->sep, &ep, &errstr); + if (d->errnum != 0) { + if (errstr == NULL) { + sudo_warnx_nodebug("FAIL: %s: missing errstr for errno %d", + d->idstr, d->errnum); + errors++; + } else if (value != 0) { + sudo_warnx_nodebug("FAIL: %s should return 0 on error", + d->idstr); + errors++; + } else if (errno != d->errnum) { + sudo_warnx_nodebug("FAIL: %s: errno mismatch, %d != %d", + d->idstr, errno, d->errnum); + errors++; + } + } else if (errstr != NULL) { + sudo_warnx_nodebug("FAIL: %s: %s", d->idstr, errstr); + errors++; + } else if (value != d->id) { + sudo_warnx_nodebug("FAIL: %s != %u", d->idstr, (unsigned int)d->id); + errors++; + } else if (d->ep != NULL && ep[0] != d->ep[0]) { + sudo_warnx_nodebug("FAIL: ep[0] %d != %d", (int)(unsigned char)ep[0], + (int)(unsigned char)d->ep[0]); + errors++; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/strtofoo/strtomode_test.c b/lib/util/regress/strtofoo/strtomode_test.c new file mode 100644 index 0000000..c7a31b0 --- /dev/null +++ b/lib/util/regress/strtofoo/strtomode_test.c @@ -0,0 +1,91 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2014-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* sudo_strtomode() tests */ +static struct strtomode_data { + const char *mode_str; + mode_t mode; +} strtomode_data[] = { + { "755", 0755 }, + { "007", 007 }, + { "7", 7 }, + { "8", (mode_t)-1 }, + { NULL, 0 } +}; + +/* + * Simple tests for sudo_strtomode(). + */ +int +main(int argc, char *argv[]) +{ + struct strtomode_data *d; + const char *errstr; + int ch, errors = 0, ntests = 0; + mode_t mode; + + initprogname(argc > 0 ? argv[0] : "strtomode_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (d = strtomode_data; d->mode_str != NULL; d++) { + ntests++; + errstr = "some error"; + mode = sudo_strtomode(d->mode_str, &errstr); + if (errstr != NULL) { + if (d->mode != (mode_t)-1) { + sudo_warnx_nodebug("FAIL: %s: %s", d->mode_str, errstr); + errors++; + } + } else if (mode != d->mode) { + sudo_warnx_nodebug("FAIL: %s != 0%o", d->mode_str, + (unsigned int) d->mode); + errors++; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/strtofoo/strtonum_test.c b/lib/util/regress/strtofoo/strtonum_test.c new file mode 100644 index 0000000..a90ed02 --- /dev/null +++ b/lib/util/regress/strtofoo/strtonum_test.c @@ -0,0 +1,135 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> +#include <errno.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_fatal.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* sudo_strtonum() tests */ +static struct strtonum_data { + const char *str; + long long minval; + long long maxval; + long long retval; + int errnum; +} strtonum_data[] = { + { "0,1", LLONG_MIN, LLONG_MAX, 0, EINVAL }, + { "0", INT_MAX, INT_MIN, 0, EINVAL }, + { "", 0, UINT_MAX, 0, EINVAL }, + { " ", 0, UINT_MAX, 0, EINVAL }, + { "-1 ", 0, UINT_MAX, 0, EINVAL }, + { "9223372036854775808X", LLONG_MIN, LLONG_MAX, 0, EINVAL }, + { "-9223372036854775809X", LLONG_MIN, LLONG_MAX, 0, EINVAL }, + + { "10", 0, 255, 10, 0 }, + { "-1", 0, UINT_MAX, 0, ERANGE }, + + { "-40", -100, -50, 0, ERANGE }, + { "-60", -100, -50, -60, 0 }, + { "-200", -100, -50, 0, ERANGE }, + + { "42", 42, 42, 42, 0 }, + { "-42", -42, -42, -42, 0 }, + + { "4294967295", 0, UINT_MAX, UINT_MAX, 0 }, + { "4294967295", INT_MIN, INT_MAX, 0, ERANGE }, + { "4294967296", 0, UINT_MAX, 0, ERANGE }, + + { "2147483647", INT_MIN, INT_MAX, INT_MAX, 0 }, + { "-2147483648", INT_MIN, INT_MAX, INT_MIN, 0 }, + { "2147483648", INT_MIN, INT_MAX, 0, ERANGE }, + { "-2147483649", INT_MIN, INT_MAX, 0, ERANGE }, + + { "9223372036854775807", LLONG_MIN, LLONG_MAX, LLONG_MAX, 0 }, + { "-9223372036854775808", LLONG_MIN, LLONG_MAX, LLONG_MIN, 0 }, + { "9223372036854775808", LLONG_MIN, LLONG_MAX, 0, ERANGE }, + { "-9223372036854775809", LLONG_MIN, LLONG_MAX, 0, ERANGE }, + + { NULL, 0, 0, 0, 0 } +}; + +/* + * Simple tests for sudo_strtonum() + */ +int +main(int argc, char *argv[]) +{ + int ch, errors = 0, ntests = 0; + struct strtonum_data *d; + const char *errstr; + long long value; + + initprogname(argc > 0 ? argv[0] : "strtonum_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + for (d = strtonum_data; d->str != NULL; d++) { + ntests++; + errstr = "some error"; + value = sudo_strtonum(d->str, d->minval, d->maxval, &errstr); + if (d->errnum != 0) { + if (errstr == NULL) { + sudo_warnx_nodebug("FAIL: \"%s\": missing errstr for errno %d", + d->str, d->errnum); + errors++; + } else if (value != 0) { + sudo_warnx_nodebug("FAIL: %s should return 0 on error", + d->str); + errors++; + } else if (errno != d->errnum) { + sudo_warnx_nodebug("FAIL: \"%s\": errno mismatch, %d != %d", + d->str, errno, d->errnum); + errors++; + } + } else if (errstr != NULL) { + sudo_warnx_nodebug("FAIL: \"%s\": %s", d->str, errstr); + errors++; + } else if (value != d->retval) { + sudo_warnx_nodebug("FAIL: %s != %lld", d->str, d->retval); + errors++; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/sudo_conf/conf_test.c b/lib/util/regress/sudo_conf/conf_test.c new file mode 100644 index 0000000..dc65bc3 --- /dev/null +++ b/lib/util/regress/sudo_conf/conf_test.c @@ -0,0 +1,126 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_conf.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +static void sudo_conf_dump(void); + +sudo_dso_public int main(int argc, char *argv[]); + +/* Awful hack for macOS where the default group source is dynamic. */ +#ifdef __APPLE__ +# undef GROUP_SOURCE_ADAPTIVE +# define GROUP_SOURCE_ADAPTIVE GROUP_SOURCE_DYNAMIC +#endif + +sudo_noreturn static void +usage(void) +{ + fprintf(stderr, "usage: %s [-v] conf_file\n", getprogname()); + exit(EXIT_FAILURE); +} + +/* + * Simple test driver for sudo_conf(). + * Parses the given configuration file and dumps the resulting + * sudo_conf_data struct to the standard output. + */ +int +main(int argc, char *argv[]) +{ + int ch; + + initprogname(argc > 0 ? argv[0] : "conf_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + usage(); + /* NOTREACHED */ + } + } + argc -= optind; + argv += optind; + + if (argc != 1) + usage(); + + sudo_conf_clear_paths(); + if (sudo_conf_read(argv[0], SUDO_CONF_ALL) == -1) + return EXIT_FAILURE; + sudo_conf_dump(); + + return EXIT_SUCCESS; +} + +static void +sudo_conf_dump(void) +{ + struct plugin_info_list *plugins = sudo_conf_plugins(); + struct sudo_conf_debug_list *debug_list = sudo_conf_debugging(); + struct sudo_conf_debug *debug_spec; + struct sudo_debug_file *debug_file; + struct plugin_info *info; + + printf("Set disable_coredump %s\n", + sudo_conf_disable_coredump() ? "true" : "false"); + printf("Set group_source %s\n", + sudo_conf_group_source() == GROUP_SOURCE_ADAPTIVE ? "adaptive" : + sudo_conf_group_source() == GROUP_SOURCE_STATIC ? "static" : "dynamic"); + printf("Set max_groups %d\n", sudo_conf_max_groups()); + printf("Set probe_interfaces %s\n", + sudo_conf_probe_interfaces() ? "true" : "false"); + if (sudo_conf_askpass_path() != NULL) + printf("Path askpass %s\n", sudo_conf_askpass_path()); + if (sudo_conf_sesh_path() != NULL) + printf("Path sesh %s\n", sudo_conf_sesh_path()); + if (sudo_conf_intercept_path() != NULL) + printf("Path intercept %s\n", sudo_conf_intercept_path()); + if (sudo_conf_noexec_path() != NULL) + printf("Path noexec %s\n", sudo_conf_noexec_path()); + if (sudo_conf_plugin_dir_path() != NULL) + printf("Path plugin_dir %s\n", sudo_conf_plugin_dir_path()); + TAILQ_FOREACH(info, plugins, entries) { + printf("Plugin %s %s", info->symbol_name, info->path); + if (info->options) { + char * const * op; + for (op = info->options; *op != NULL; op++) + printf(" %s", *op); + } + putchar('\n'); + } + TAILQ_FOREACH(debug_spec, debug_list, entries) { + TAILQ_FOREACH(debug_file, &debug_spec->debug_files, entries) { + printf("Debug %s %s %s\n", debug_spec->progname, + debug_file->debug_file, debug_file->debug_flags); + } + } +} diff --git a/lib/util/regress/sudo_conf/test1.in b/lib/util/regress/sudo_conf/test1.in new file mode 100644 index 0000000..bc9f626 --- /dev/null +++ b/lib/util/regress/sudo_conf/test1.in @@ -0,0 +1,73 @@ +# +# Sample /etc/sudo.conf file +# +# Format: +# Plugin plugin_name plugin_path plugin_options ... +# Path askpass /path/to/askpass +# Path noexec /path/to/sudo_noexec.so +# Debug sudo /var/log/sudo_debug all@warn +# Set disable_coredump true +# +# Sudo plugins: +# +# The plugin_path is relative to ${prefix}/libexec unless fully qualified. +# The plugin_name corresponds to a global symbol in the plugin +# that contains the plugin interface structure. +# The plugin_options are optional. +# +# The sudoers plugin is used by default if no Plugin lines are present. +Plugin sudoers_policy sudoers.so +Plugin sudoers_io sudoers.so + +# +# Sudo askpass: +# +# An askpass helper program may be specified to provide a graphical +# password prompt for "sudo -A" support. Sudo does not ship with its +# own askpass program but can use the OpenSSH askpass. +# +# Use the OpenSSH askpass +Path askpass /usr/X11R6/bin/ssh-askpass +# +# Use the Gnome OpenSSH askpass +#Path askpass /usr/libexec/openssh/gnome-ssh-askpass + +# +# Sudo noexec: +# +# Path to a shared library containing replacements for the execv(), +# execve() and fexecve() library functions that just return an error. +# This is used to implement the "noexec" functionality on systems that +# support LD_PRELOAD or its equivalent. +# The compiled-in value is usually sufficient and should only be changed +# if you rename or move the sudo_noexec.so file. +# +Path noexec /usr/local/libexec/sudo_noexec.so +Path noexec /usr/libexec/sudo_noexec.so + +# +# Core dumps: +# +# By default, sudo disables core dumps while it is executing (they +# are re-enabled for the command that is run). +# To aid in debugging sudo problems, you may wish to enable core +# dumps by setting "disable_coredump" to false. +# +Set disable_coredump false + +# +# User groups: +# +# Sudo passes the user's group list to the policy plugin. +# If the user is a member of the maximum number of groups (usually 16), +# sudo will query the group database directly to be sure to include +# the full list of groups. +# +# On some systems, this can be expensive so the behavior is configurable. +# The "group_source" setting has three possible values: +# static - use the user's list of groups returned by the kernel. +# dynamic - query the group database to find the list of groups. +# adaptive - if user is in less than the maximum number of groups. +# use the kernel list, else query the group database. +# +Set group_source static diff --git a/lib/util/regress/sudo_conf/test1.out.ok b/lib/util/regress/sudo_conf/test1.out.ok new file mode 100644 index 0000000..d5b784c --- /dev/null +++ b/lib/util/regress/sudo_conf/test1.out.ok @@ -0,0 +1,8 @@ +Set disable_coredump false +Set group_source static +Set max_groups -1 +Set probe_interfaces true +Path askpass /usr/X11R6/bin/ssh-askpass +Path noexec /usr/libexec/sudo_noexec.so +Plugin sudoers_policy sudoers.so +Plugin sudoers_io sudoers.so diff --git a/lib/util/regress/sudo_conf/test2.in b/lib/util/regress/sudo_conf/test2.in new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/util/regress/sudo_conf/test2.in diff --git a/lib/util/regress/sudo_conf/test2.out.ok b/lib/util/regress/sudo_conf/test2.out.ok new file mode 100644 index 0000000..cfd8a08 --- /dev/null +++ b/lib/util/regress/sudo_conf/test2.out.ok @@ -0,0 +1,4 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups -1 +Set probe_interfaces true diff --git a/lib/util/regress/sudo_conf/test3.in b/lib/util/regress/sudo_conf/test3.in new file mode 100644 index 0000000..b111a23 --- /dev/null +++ b/lib/util/regress/sudo_conf/test3.in @@ -0,0 +1,2 @@ +Plugin sudoers_policy sudoers.so sudoers_file=/etc/sudoers sudoers_mode=0400 sudoers_gid=0 sudoers_uid=0 +Plugin sudoers_io sudoers.so diff --git a/lib/util/regress/sudo_conf/test3.out.ok b/lib/util/regress/sudo_conf/test3.out.ok new file mode 100644 index 0000000..3ff2284 --- /dev/null +++ b/lib/util/regress/sudo_conf/test3.out.ok @@ -0,0 +1,6 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups -1 +Set probe_interfaces true +Plugin sudoers_policy sudoers.so sudoers_file=/etc/sudoers sudoers_mode=0400 sudoers_gid=0 sudoers_uid=0 +Plugin sudoers_io sudoers.so diff --git a/lib/util/regress/sudo_conf/test4.err.ok b/lib/util/regress/sudo_conf/test4.err.ok new file mode 100644 index 0000000..2d68831 --- /dev/null +++ b/lib/util/regress/sudo_conf/test4.err.ok @@ -0,0 +1 @@ +conf_test: invalid value for disable_coredump "foo" in regress/sudo_conf/test4.in, line 1 diff --git a/lib/util/regress/sudo_conf/test4.in b/lib/util/regress/sudo_conf/test4.in new file mode 100644 index 0000000..a60236a --- /dev/null +++ b/lib/util/regress/sudo_conf/test4.in @@ -0,0 +1 @@ +Set disable_coredump foo diff --git a/lib/util/regress/sudo_conf/test4.out.ok b/lib/util/regress/sudo_conf/test4.out.ok new file mode 100644 index 0000000..cfd8a08 --- /dev/null +++ b/lib/util/regress/sudo_conf/test4.out.ok @@ -0,0 +1,4 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups -1 +Set probe_interfaces true diff --git a/lib/util/regress/sudo_conf/test5.err.ok b/lib/util/regress/sudo_conf/test5.err.ok new file mode 100644 index 0000000..85ef46b --- /dev/null +++ b/lib/util/regress/sudo_conf/test5.err.ok @@ -0,0 +1 @@ +conf_test: invalid max groups "0" in regress/sudo_conf/test5.in, line 1 diff --git a/lib/util/regress/sudo_conf/test5.in b/lib/util/regress/sudo_conf/test5.in new file mode 100644 index 0000000..3a20495 --- /dev/null +++ b/lib/util/regress/sudo_conf/test5.in @@ -0,0 +1 @@ +Set max_groups 0 diff --git a/lib/util/regress/sudo_conf/test5.out.ok b/lib/util/regress/sudo_conf/test5.out.ok new file mode 100644 index 0000000..cfd8a08 --- /dev/null +++ b/lib/util/regress/sudo_conf/test5.out.ok @@ -0,0 +1,4 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups -1 +Set probe_interfaces true diff --git a/lib/util/regress/sudo_conf/test6.in b/lib/util/regress/sudo_conf/test6.in new file mode 100644 index 0000000..537fa57 --- /dev/null +++ b/lib/util/regress/sudo_conf/test6.in @@ -0,0 +1 @@ +Set max_groups 16 diff --git a/lib/util/regress/sudo_conf/test6.out.ok b/lib/util/regress/sudo_conf/test6.out.ok new file mode 100644 index 0000000..674ae38 --- /dev/null +++ b/lib/util/regress/sudo_conf/test6.out.ok @@ -0,0 +1,4 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups 16 +Set probe_interfaces true diff --git a/lib/util/regress/sudo_conf/test7.in b/lib/util/regress/sudo_conf/test7.in new file mode 100644 index 0000000..7438131 --- /dev/null +++ b/lib/util/regress/sudo_conf/test7.in @@ -0,0 +1,4 @@ +Debug sudo /var/log/sudo_debug all@info +Debug sudo /var/log/sudo_debug util@debug +Debug visudo /var/log/sudo_debug match@debug +Debug sudoers.so /var/log/sudoers_debug match@debug,nss@info diff --git a/lib/util/regress/sudo_conf/test7.out.ok b/lib/util/regress/sudo_conf/test7.out.ok new file mode 100644 index 0000000..7ec856d --- /dev/null +++ b/lib/util/regress/sudo_conf/test7.out.ok @@ -0,0 +1,8 @@ +Set disable_coredump true +Set group_source adaptive +Set max_groups -1 +Set probe_interfaces true +Debug sudo /var/log/sudo_debug all@info +Debug sudo /var/log/sudo_debug util@debug +Debug visudo /var/log/sudo_debug match@debug +Debug sudoers.so /var/log/sudoers_debug match@debug,nss@info diff --git a/lib/util/regress/sudo_parseln/parseln_test.c b/lib/util/regress/sudo_parseln/parseln_test.c new file mode 100644 index 0000000..9463767 --- /dev/null +++ b/lib/util/regress/sudo_parseln/parseln_test.c @@ -0,0 +1,64 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Simple test driver for sudo_parseln(). + * Behaves similarly to "cat -n" but with comment removal + * and line continuation. + */ + +int +main(int argc, char *argv[]) +{ + unsigned int lineno = 0; + size_t linesize = 0; + char *line = NULL; + int ch; + + initprogname(argc > 0 ? argv[0] : "parseln_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + while (sudo_parseln(&line, &linesize, &lineno, stdin, 0) != -1) + printf("%6u\t%s\n", lineno, line); + free(line); + return EXIT_SUCCESS; +} diff --git a/lib/util/regress/sudo_parseln/test1.in b/lib/util/regress/sudo_parseln/test1.in new file mode 100644 index 0000000..8f417dd --- /dev/null +++ b/lib/util/regress/sudo_parseln/test1.in @@ -0,0 +1,72 @@ +# +# Sample /etc/sudo.conf file +# +# Format: +# Plugin plugin_name plugin_path plugin_options ... +# Path askpass /path/to/askpass +# Path noexec /path/to/sudo_noexec.so +# Debug sudo /var/log/sudo_debug all@warn +# Set disable_coredump true +# +# Sudo plugins: +# +# The plugin_path is relative to ${prefix}/libexec unless fully qualified. +# The plugin_name corresponds to a global symbol in the plugin +# that contains the plugin interface structure. +# The plugin_options are optional. +# +# The sudoers plugin is used by default if no Plugin lines are present. +Plugin sudoers_policy sudoers.so +Plugin sudoers_io sudoers.so + +# +# Sudo askpass: +# +# An askpass helper program may be specified to provide a graphical +# password prompt for "sudo -A" support. Sudo does not ship with its +# own askpass program but can use the OpenSSH askpass. +# +# Use the OpenSSH askpass +#Path askpass /usr/X11R6/bin/ssh-askpass +# +# Use the Gnome OpenSSH askpass +#Path askpass /usr/libexec/openssh/gnome-ssh-askpass + +# +# Sudo noexec: +# +# Path to a shared library containing replacements for the execv(), +# execve() and fexecve() library functions that just return an error. +# This is used to implement the "noexec" functionality on systems that +# support LD_PRELOAD or its equivalent. +# The compiled-in value is usually sufficient and should only be changed +# if you rename or move the sudo_noexec.so file. +# +#Path noexec /usr/libexec/sudo_noexec.so + +# +# Core dumps: +# +# By default, sudo disables core dumps while it is executing (they +# are re-enabled for the command that is run). +# To aid in debugging sudo problems, you may wish to enable core +# dumps by setting "disable_coredump" to false. +# +#Set disable_coredump false + +# +# User groups: +# +# Sudo passes the user's group list to the policy plugin. +# If the user is a member of the maximum number of groups (usually 16), +# sudo will query the group database directly to be sure to include +# the full list of groups. +# +# On some systems, this can be expensive so the behavior is configurable. +# The "group_source" setting has three possible values: +# static - use the user's list of groups returned by the kernel. +# dynamic - query the group database to find the list of groups. +# adaptive - if user is in less than the maximum number of groups. +# use the kernel list, else query the group database. +# +#Set group_source static diff --git a/lib/util/regress/sudo_parseln/test1.out.ok b/lib/util/regress/sudo_parseln/test1.out.ok new file mode 100644 index 0000000..c98ca77 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test1.out.ok @@ -0,0 +1,72 @@ + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 Plugin sudoers_policy sudoers.so + 20 Plugin sudoers_io sudoers.so + 21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 + 31 + 32 + 33 + 34 + 35 + 36 + 37 + 38 + 39 + 40 + 41 + 42 + 43 + 44 + 45 + 46 + 47 + 48 + 49 + 50 + 51 + 52 + 53 + 54 + 55 + 56 + 57 + 58 + 59 + 60 + 61 + 62 + 63 + 64 + 65 + 66 + 67 + 68 + 69 + 70 + 71 + 72 diff --git a/lib/util/regress/sudo_parseln/test2.in b/lib/util/regress/sudo_parseln/test2.in new file mode 100644 index 0000000..49166ee --- /dev/null +++ b/lib/util/regress/sudo_parseln/test2.in @@ -0,0 +1,8 @@ +this \ +is all \ +one line +# this is a comment, and does not get continued\ +trim the \ + leading \ + white \ +space diff --git a/lib/util/regress/sudo_parseln/test2.out.ok b/lib/util/regress/sudo_parseln/test2.out.ok new file mode 100644 index 0000000..d921968 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test2.out.ok @@ -0,0 +1,3 @@ + 3 this is all one line + 4 + 8 trim the leading white space diff --git a/lib/util/regress/sudo_parseln/test3.in b/lib/util/regress/sudo_parseln/test3.in new file mode 100644 index 0000000..e372c07 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test3.in @@ -0,0 +1 @@ +line continuation at EOF \ diff --git a/lib/util/regress/sudo_parseln/test3.out.ok b/lib/util/regress/sudo_parseln/test3.out.ok new file mode 100644 index 0000000..2e8d16d --- /dev/null +++ b/lib/util/regress/sudo_parseln/test3.out.ok @@ -0,0 +1 @@ + 1 line continuation at EOF diff --git a/lib/util/regress/sudo_parseln/test4.in b/lib/util/regress/sudo_parseln/test4.in new file mode 100644 index 0000000..3583f3b --- /dev/null +++ b/lib/util/regress/sudo_parseln/test4.in @@ -0,0 +1,4 @@ +line contin\ +uation raw +line contin\ + uation indented diff --git a/lib/util/regress/sudo_parseln/test4.out.ok b/lib/util/regress/sudo_parseln/test4.out.ok new file mode 100644 index 0000000..38afbeb --- /dev/null +++ b/lib/util/regress/sudo_parseln/test4.out.ok @@ -0,0 +1,2 @@ + 2 line continuation raw + 4 line continuation indented diff --git a/lib/util/regress/sudo_parseln/test5.in b/lib/util/regress/sudo_parseln/test5.in new file mode 100644 index 0000000..57ddad2 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test5.in @@ -0,0 +1 @@ +\ diff --git a/lib/util/regress/sudo_parseln/test5.out.ok b/lib/util/regress/sudo_parseln/test5.out.ok new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test5.out.ok diff --git a/lib/util/regress/sudo_parseln/test6.in b/lib/util/regress/sudo_parseln/test6.in new file mode 100644 index 0000000..95cac84 --- /dev/null +++ b/lib/util/regress/sudo_parseln/test6.in @@ -0,0 +1,3 @@ + leading and trailing white space + # a comment +\ diff --git a/lib/util/regress/sudo_parseln/test6.out.ok b/lib/util/regress/sudo_parseln/test6.out.ok new file mode 100644 index 0000000..340765e --- /dev/null +++ b/lib/util/regress/sudo_parseln/test6.out.ok @@ -0,0 +1,2 @@ + 1 leading and trailing white space + 2 diff --git a/lib/util/regress/tailq/hltq_test.c b/lib/util/regress/tailq/hltq_test.c new file mode 100644 index 0000000..412d7a9 --- /dev/null +++ b/lib/util/regress/tailq/hltq_test.c @@ -0,0 +1,205 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_queue.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Note: HLTQ_ENTRY is intentionally in the middle of the struct + * to catch bad assumptions in the PREV/NEXT macros. + */ +struct test_data { + int a; + HLTQ_ENTRY(test_data) entries; + char b; +}; + +TAILQ_HEAD(test_data_list, test_data); + +/* + * Simple tests for headless tail queue macros. + */ +int +main(int argc, char *argv[]) +{ + struct test_data d1, d2, d3; + struct test_data *hltq; + struct test_data_list tq; + int ch, errors = 0, ntests = 0; + + initprogname(argc > 0 ? argv[0] : "hltq_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + /* + * Initialize three data elements and concatenate them in order. + */ + HLTQ_INIT(&d1, entries); + d1.a = 1; + d1.b = 'a'; + if (HLTQ_FIRST(&d1) != &d1) { + sudo_warnx_nodebug("FAIL: HLTQ_FIRST(1 entry) doesn't return first element: got %p, expected %p", HLTQ_FIRST(&d1), &d1); + errors++; + } + ntests++; + if (HLTQ_LAST(&d1, test_data, entries) != &d1) { + sudo_warnx_nodebug("FAIL: HLTQ_LAST(1 entry) doesn't return first element: got %p, expected %p", HLTQ_LAST(&d1, test_data, entries), &d1); + errors++; + } + ntests++; + if (HLTQ_PREV(&d1, test_data, entries) != NULL) { + sudo_warnx_nodebug("FAIL: HLTQ_PREV(1 entry) doesn't return NULL: got %p", HLTQ_PREV(&d1, test_data, entries)); + errors++; + } + ntests++; + + HLTQ_INIT(&d2, entries); + d2.a = 2; + d2.b = 'b'; + + HLTQ_INIT(&d3, entries); + d3.a = 3; + d3.b = 'c'; + + HLTQ_CONCAT(&d1, &d2, entries); + HLTQ_CONCAT(&d1, &d3, entries); + hltq = &d1; + + /* + * Verify that HLTQ_FIRST, HLTQ_LAST, HLTQ_NEXT, HLTQ_PREV + * work as expected. + */ + if (HLTQ_FIRST(hltq) != &d1) { + sudo_warnx_nodebug("FAIL: HLTQ_FIRST(3 entries) doesn't return first element: got %p, expected %p", HLTQ_FIRST(hltq), &d1); + errors++; + } + ntests++; + if (HLTQ_LAST(hltq, test_data, entries) != &d3) { + sudo_warnx_nodebug("FAIL: HLTQ_LAST(3 entries) doesn't return third element: got %p, expected %p", HLTQ_LAST(hltq, test_data, entries), &d3); + errors++; + } + ntests++; + + if (HLTQ_NEXT(&d1, entries) != &d2) { + sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d1) doesn't return &d2: got %p, expected %p", HLTQ_NEXT(&d1, entries), &d2); + errors++; + } + ntests++; + if (HLTQ_NEXT(&d2, entries) != &d3) { + sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d2) doesn't return &d3: got %p, expected %p", HLTQ_NEXT(&d2, entries), &d3); + errors++; + } + ntests++; + if (HLTQ_NEXT(&d3, entries) != NULL) { + sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d3) doesn't return NULL: got %p", HLTQ_NEXT(&d3, entries)); + errors++; + } + ntests++; + + if (HLTQ_PREV(&d1, test_data, entries) != NULL) { + sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d1) doesn't return NULL: got %p", HLTQ_PREV(&d1, test_data, entries)); + errors++; + } + ntests++; + if (HLTQ_PREV(&d2, test_data, entries) != &d1) { + sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d2) doesn't return &d1: got %p, expected %p", HLTQ_PREV(&d2, test_data, entries), &d1); + errors++; + } + ntests++; + if (HLTQ_PREV(&d3, test_data, entries) != &d2) { + sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d3) doesn't return &d2: got %p, expected %p", HLTQ_PREV(&d3, test_data, entries), &d2); + errors++; + } + ntests++; + + /* Test conversion to TAILQ. */ + HLTQ_TO_TAILQ(&tq, hltq, entries); + + if (TAILQ_FIRST(&tq) != &d1) { + sudo_warnx_nodebug("FAIL: TAILQ_FIRST(&tq) doesn't return first element: got %p, expected %p", TAILQ_FIRST(&tq), &d1); + errors++; + } + ntests++; + if (TAILQ_LAST(&tq, test_data_list) != &d3) { + sudo_warnx_nodebug("FAIL: TAILQ_LAST(&tq) doesn't return third element: got %p, expected %p", TAILQ_LAST(&tq, test_data_list), &d3); + errors++; + } + ntests++; + + if (TAILQ_NEXT(&d1, entries) != &d2) { + sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d1) doesn't return &d2: got %p, expected %p", TAILQ_NEXT(&d1, entries), &d2); + errors++; + } + ntests++; + if (TAILQ_NEXT(&d2, entries) != &d3) { + sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d2) doesn't return &d3: got %p, expected %p", TAILQ_NEXT(&d2, entries), &d3); + errors++; + } + ntests++; + if (TAILQ_NEXT(&d3, entries) != NULL) { + sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d3) doesn't return NULL: got %p", TAILQ_NEXT(&d3, entries)); + errors++; + } + ntests++; + + if (TAILQ_PREV(&d1, test_data_list, entries) != NULL) { + sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d1) doesn't return NULL: got %p", TAILQ_PREV(&d1, test_data_list, entries)); + errors++; + } + ntests++; + if (TAILQ_PREV(&d2, test_data_list, entries) != &d1) { + sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d2) doesn't return &d1: got %p, expected %p", TAILQ_PREV(&d2, test_data_list, entries), &d1); + errors++; + } + ntests++; + if (TAILQ_PREV(&d3, test_data_list, entries) != &d2) { + sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d3) doesn't return &d2: got %p, expected %p", TAILQ_PREV(&d3, test_data_list, entries), &d2); + errors++; + } + ntests++; + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + + return errors; +} diff --git a/lib/util/regress/uuid/uuid_test.c b/lib/util/regress/uuid/uuid_test.c new file mode 100644 index 0000000..411266c --- /dev/null +++ b/lib/util/regress/uuid/uuid_test.c @@ -0,0 +1,105 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <config.h> + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <string.h> +#include <unistd.h> + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_fatal.h> +#include <sudo_util.h> + +sudo_dso_public int main(int argc, char *argv[]); + +/* + * Test that sudo_uuid_create() generates a variant 1, version 4 uuid. + */ + +/* From RFC 4122. */ +struct uuid { + uint32_t time_low; + uint16_t time_mid; + uint16_t time_hi_and_version; + uint8_t clock_seq_hi_and_reserved; + uint8_t clock_seq_low; + uint8_t node[6]; +}; + +int +main(int argc, char *argv[]) +{ + int ch, errors = 0, ntests = 0; + union { + struct uuid id; + unsigned char u8[16]; + } uuid; + + initprogname(argc > 0 ? argv[0] : "uuid_test"); + + while ((ch = getopt(argc, argv, "v")) != -1) { + switch (ch) { + case 'v': + /* ignore */ + break; + default: + fprintf(stderr, "usage: %s [-v]\n", getprogname()); + return EXIT_FAILURE; + } + } + argc -= optind; + argv += optind; + + /* Do 16 passes. */ + for (ntests = 0; ntests < 16; ntests++) { + sudo_uuid_create(uuid.u8); + + /* Variant: two most significant bits (6 and 7) are 0 and 1. */ + if (ISSET(uuid.id.clock_seq_hi_and_reserved, (1 << 6))) { + sudo_warnx("uuid bit 6 set, should be clear"); + errors++; + continue; + } + if (!ISSET(uuid.id.clock_seq_hi_and_reserved, (1 << 7))) { + sudo_warnx("uuid bit 7 clear, should be set"); + errors++; + continue; + } + + /* Version: bits 12-15 are 0010. */ + if ((uuid.id.time_hi_and_version & 0xf000) != 0x4000) { + sudo_warnx("bad version: 0x%x", uuid.id.time_hi_and_version & 0xf000); + errors++; + continue; + } + } + + if (ntests != 0) { + printf("%s: %d tests run, %d errors, %d%% success rate\n", + getprogname(), ntests, errors, (ntests - errors) * 100 / ntests); + } + return errors; +} diff --git a/lib/util/roundup.c b/lib/util/roundup.c new file mode 100644 index 0000000..73cf4af --- /dev/null +++ b/lib/util/roundup.c @@ -0,0 +1,81 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * Round 32-bit unsigned length to the next highest power of two. + * Always returns at least 64. + */ +unsigned int +sudo_pow2_roundup_v1(unsigned int len) +{ + if (len < 64) + return 64; + +#ifdef HAVE___BUILTIN_CLZ + return 1U << (32 - __builtin_clz(len - 1)); +#else + len--; + len |= len >> 1; + len |= len >> 2; + len |= len >> 4; + len |= len >> 8; + len |= len >> 16; + len++; + return len; +#endif +} + +/* + * Round a size_t length to the next highest power of two. + * Always returns at least 64. + */ +size_t +sudo_pow2_roundup_v2(size_t len) +{ + if (len < 64) + return 64; + +#if defined(__LP64__) && defined(HAVE___BUILTIN_CLZL) + return 1UL << (64 - __builtin_clzl(len - 1)); +#elif !defined(__LP64__) && defined(HAVE___BUILTIN_CLZ) + return 1U << (32 - __builtin_clz(len - 1)); +#else + len--; + len |= len >> 1; + len |= len >> 2; + len |= len >> 4; + len |= len >> 8; + len |= len >> 16; +# ifdef __LP64__ + len |= len >> 32; +# endif + len++; + return len; +#endif +} diff --git a/lib/util/secure_path.c b/lib/util/secure_path.c new file mode 100644 index 0000000..aaceb57 --- /dev/null +++ b/lib/util/secure_path.c @@ -0,0 +1,203 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2012, 2014-2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <errno.h> +#include <fcntl.h> +#include <string.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_debug.h> + +/* + * Verify that path is the right type and not writable by other users. + */ +static int +sudo_check_secure(struct stat *sb, unsigned int type, uid_t uid, gid_t gid) +{ + int ret = SUDO_PATH_SECURE; + debug_decl(sudo_check_secure, SUDO_DEBUG_UTIL); + + if ((sb->st_mode & S_IFMT) != type) { + ret = SUDO_PATH_BAD_TYPE; + } else if (uid != (uid_t)-1 && sb->st_uid != uid) { + ret = SUDO_PATH_WRONG_OWNER; + } else if (sb->st_mode & S_IWOTH) { + ret = SUDO_PATH_WORLD_WRITABLE; + } else if (ISSET(sb->st_mode, S_IWGRP) && + (gid == (gid_t)-1 || sb->st_gid != gid)) { + ret = SUDO_PATH_GROUP_WRITABLE; + } + + debug_return_int(ret); +} + +/* + * Verify that path is the right type and not writable by other users. + */ +static int +sudo_secure_path(const char *path, unsigned int type, uid_t uid, gid_t gid, + struct stat *sb) +{ + int ret = SUDO_PATH_MISSING; + struct stat stat_buf; + debug_decl(sudo_secure_path, SUDO_DEBUG_UTIL); + + if (sb == NULL) + sb = &stat_buf; + + if (path != NULL && stat(path, sb) == 0) + ret = sudo_check_secure(sb, type, uid, gid); + + debug_return_int(ret); +} + +/* + * Verify that path is a regular file and not writable by other users. + * Not currently used. + */ +int +sudo_secure_file_v1(const char *path, uid_t uid, gid_t gid, struct stat *sb) +{ + return sudo_secure_path(path, S_IFREG, uid, gid, sb); +} + +/* + * Verify that path is a directory and not writable by other users. + */ +int +sudo_secure_dir_v1(const char *path, uid_t uid, gid_t gid, struct stat *sb) +{ + return sudo_secure_path(path, S_IFDIR, uid, gid, sb); +} + +/* + * Verify that fd matches type and not writable by other users. + */ +int +sudo_secure_fd_v1(int fd, unsigned int type, uid_t uid, gid_t gid, + struct stat *sb) +{ + int ret = SUDO_PATH_MISSING; + debug_decl(sudo_secure_fd, SUDO_DEBUG_UTIL); + + if (fd != -1 && fstat(fd, sb) == 0) + ret = sudo_check_secure(sb, type, uid, gid); + debug_return_int(ret); +} + +/* + * Open path read-only as long as it is not writable by other users. + * Returns an open file descriptor on success, else -1. + * Sets error to SUDO_PATH_SECURE on success, and a value < 0 on failure. + */ +static int +sudo_secure_open(const char *path, unsigned int type, uid_t uid, gid_t gid, + struct stat *sb, int *error) +{ + struct stat stat_buf; + int fd; + debug_decl(sudo_secure_open, SUDO_DEBUG_UTIL); + + if (sb == NULL) + sb = &stat_buf; + + fd = open(path, O_RDONLY|O_NONBLOCK); + if (fd == -1 || fstat(fd, sb) != 0) { + if (fd != -1) + close(fd); + *error = SUDO_PATH_MISSING; + debug_return_int(-1); + } + + *error = sudo_check_secure(sb, type, uid, gid); + if (*error == SUDO_PATH_SECURE) { + (void)fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) & ~O_NONBLOCK); + } else { + /* Not secure, caller can check error flag. */ + close(fd); + fd = -1; + } + + debug_return_int(fd); +} + +int +sudo_secure_open_file_v1(const char *path, uid_t uid, gid_t gid, + struct stat *sb, int *error) +{ + return sudo_secure_open(path, S_IFREG, uid, gid, sb, error); +} + +int +sudo_secure_open_dir_v1(const char *path, uid_t uid, gid_t gid, + struct stat *sb, int *error) +{ + return sudo_secure_open(path, S_IFDIR, uid, gid, sb, error); +} + +/* + * Open the first file found in a colon-separated list of paths. + * Subsequent files in the path are only attempted if the + * previous file does not exist. Errors other than ENOENT are + * considered fatal and will stop processing the path. + * Sets name based on the last file it tried to open, even on error. + */ +int +sudo_open_conf_path_v1(const char *path, char *name, size_t namesize, + int (*fn)(const char *, int)) +{ + const char *cp, *ep, *path_end; + int fd = -1; + debug_decl(sudo_open_conf_path, SUDO_DEBUG_UTIL); + + path_end = path + strlen(path); + for (cp = sudo_strsplit(path, path_end, ":", &ep); + cp != NULL; cp = sudo_strsplit(NULL, path_end, ":", &ep)) { + + const size_t len = (size_t)(ep - cp); + if (len >= namesize) { + /* We always set name, even on error. */ + memcpy(name, cp, namesize - 1); + name[namesize - 1] = '\0'; + errno = ENAMETOOLONG; + break; + } + memcpy(name, cp, len); + name[len] = '\0'; + + fd = fn ? + fn(name, O_RDONLY|O_NONBLOCK) : open(name, O_RDONLY|O_NONBLOCK); + if (fd != -1) { + (void)fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) & ~O_NONBLOCK); + break; + } + if (errno != ENOENT) + break; + } + debug_return_int(fd); +} diff --git a/lib/util/setgroups.c b/lib/util/setgroups.c new file mode 100644 index 0000000..7298fcc --- /dev/null +++ b/lib/util/setgroups.c @@ -0,0 +1,56 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2012, 2014-2016 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> +#include <grp.h> +#include <limits.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +int +sudo_setgroups_v1(int ngids, const GETGROUPS_T *gids) +{ + long maxgids; + int ret; + debug_decl(sudo_setgroups, SUDO_DEBUG_UTIL); + + if (ngids < 0) + debug_return_int(-1); + + ret = setgroups(ngids, (GETGROUPS_T *)gids); + if (ret == -1 && errno == EINVAL) { + /* Too many groups, try again with fewer. */ + maxgids = sysconf(_SC_NGROUPS_MAX); + if (maxgids == -1) + maxgids = NGROUPS_MAX; + if (ngids > maxgids) + ret = setgroups(maxgids, (GETGROUPS_T *)gids); + } + debug_return_int(ret); +} diff --git a/lib/util/sha2.c b/lib/util/sha2.c new file mode 100644 index 0000000..7ec6504 --- /dev/null +++ b/lib/util/sha2.c @@ -0,0 +1,515 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +/* + * Implementation of SHA-224, SHA-256, SHA-384 and SHA-512 + * as per FIPS 180-4: Secure Hash Standard (SHS) + * http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf + * + * Derived from the public domain SHA-1 and SHA-2 implementations + * by Steve Reid and Wei Dai respectively. + */ + +#include <config.h> +#include <string.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#if defined(HAVE_ENDIAN_H) +# include <endian.h> +#elif defined(HAVE_SYS_ENDIAN_H) +# include <sys/endian.h> +#elif defined(HAVE_MACHINE_ENDIAN_H) +# include <machine/endian.h> +#else +# include <compat/endian.h> +#endif + +#include <sudo_compat.h> +#include <compat/sha2.h> + +/* + * SHA-2 operates on 32-bit and 64-bit words in big endian byte order. + * The following macros convert between character arrays and big endian words. + */ +#define BE8TO32(x, y) do { \ + (x) = (((uint32_t)((y)[0] & 255) << 24) | \ + ((uint32_t)((y)[1] & 255) << 16) | \ + ((uint32_t)((y)[2] & 255) << 8) | \ + ((uint32_t)((y)[3] & 255))); \ +} while (0) + +#define BE8TO64(x, y) do { \ + (x) = (((uint64_t)((y)[0] & 255) << 56) | \ + ((uint64_t)((y)[1] & 255) << 48) | \ + ((uint64_t)((y)[2] & 255) << 40) | \ + ((uint64_t)((y)[3] & 255) << 32) | \ + ((uint64_t)((y)[4] & 255) << 24) | \ + ((uint64_t)((y)[5] & 255) << 16) | \ + ((uint64_t)((y)[6] & 255) << 8) | \ + ((uint64_t)((y)[7] & 255))); \ +} while (0) + +#define BE32TO8(x, y) do { \ + (x)[0] = (uint8_t)(((y) >> 24) & 255); \ + (x)[1] = (uint8_t)(((y) >> 16) & 255); \ + (x)[2] = (uint8_t)(((y) >> 8) & 255); \ + (x)[3] = (uint8_t)((y) & 255); \ +} while (0) + +#define BE64TO8(x, y) do { \ + (x)[0] = (uint8_t)(((y) >> 56) & 255); \ + (x)[1] = (uint8_t)(((y) >> 48) & 255); \ + (x)[2] = (uint8_t)(((y) >> 40) & 255); \ + (x)[3] = (uint8_t)(((y) >> 32) & 255); \ + (x)[4] = (uint8_t)(((y) >> 24) & 255); \ + (x)[5] = (uint8_t)(((y) >> 16) & 255); \ + (x)[6] = (uint8_t)(((y) >> 8) & 255); \ + (x)[7] = (uint8_t)((y) & 255); \ +} while (0) + +#define rotrFixed(x,y) (y ? ((x>>y) | (x<<(sizeof(x)*8-y))) : x) + +#define blk0(i) (W[i]) +#define blk2(i) (W[i&15]+=s1(W[(i-2)&15])+W[(i-7)&15]+s0(W[(i-15)&15])) + +#define Ch(x,y,z) (z^(x&(y^z))) +#define Maj(x,y,z) (y^((x^y)&(y^z))) + +#define a(i) T[(0-i)&7] +#define b(i) T[(1-i)&7] +#define c(i) T[(2-i)&7] +#define d(i) T[(3-i)&7] +#define e(i) T[(4-i)&7] +#define f(i) T[(5-i)&7] +#define g(i) T[(6-i)&7] +#define h(i) T[(7-i)&7] + +void +SHA224Init(SHA2_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state.st32[0] = 0xc1059ed8UL; + ctx->state.st32[1] = 0x367cd507UL; + ctx->state.st32[2] = 0x3070dd17UL; + ctx->state.st32[3] = 0xf70e5939UL; + ctx->state.st32[4] = 0xffc00b31UL; + ctx->state.st32[5] = 0x68581511UL; + ctx->state.st32[6] = 0x64f98fa7UL; + ctx->state.st32[7] = 0xbefa4fa4UL; +} + +void +SHA224Transform(uint32_t state[8], const uint8_t buffer[SHA224_BLOCK_LENGTH]) +{ + SHA256Transform(state, buffer); +} + +void +SHA224Update(SHA2_CTX *ctx, const uint8_t *data, size_t len) +{ + SHA256Update(ctx, data, len); +} + +void +SHA224Pad(SHA2_CTX *ctx) +{ + SHA256Pad(ctx); +} + +void +SHA224Final(uint8_t digest[SHA224_DIGEST_LENGTH], SHA2_CTX *ctx) +{ + SHA256Pad(ctx); + if (digest != NULL) { +#if BYTE_ORDER == BIG_ENDIAN + memcpy(digest, ctx->state.st32, SHA224_DIGEST_LENGTH); +#else + unsigned int i; + + for (i = 0; i < 7; i++) + BE32TO8(digest + (i * 4), ctx->state.st32[i]); +#endif + memset(ctx, 0, sizeof(*ctx)); + } +} + +static const uint32_t SHA256_K[64] = { + 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, + 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, + 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, + 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL, + 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL, + 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, + 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, + 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL, + 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL, + 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL, + 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, + 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, + 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL, + 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL, + 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL, + 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL +}; + +void +SHA256Init(SHA2_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state.st32[0] = 0x6a09e667UL; + ctx->state.st32[1] = 0xbb67ae85UL; + ctx->state.st32[2] = 0x3c6ef372UL; + ctx->state.st32[3] = 0xa54ff53aUL; + ctx->state.st32[4] = 0x510e527fUL; + ctx->state.st32[5] = 0x9b05688cUL; + ctx->state.st32[6] = 0x1f83d9abUL; + ctx->state.st32[7] = 0x5be0cd19UL; +} + +/* Round macros for SHA256 */ +#define R(i) do { \ + h(i)+=S1(e(i))+Ch(e(i),f(i),g(i))+SHA256_K[i+j]+(j?blk2(i):blk0(i)); \ + d(i)+=h(i); \ + h(i)+=S0(a(i))+Maj(a(i),b(i),c(i)); \ +} while (0) + +#define S0(x) (rotrFixed(x,2)^rotrFixed(x,13)^rotrFixed(x,22)) +#define S1(x) (rotrFixed(x,6)^rotrFixed(x,11)^rotrFixed(x,25)) +#define s0(x) (rotrFixed(x,7)^rotrFixed(x,18)^(x>>3)) +#define s1(x) (rotrFixed(x,17)^rotrFixed(x,19)^(x>>10)) + +void +SHA256Transform(uint32_t state[8], const uint8_t data[SHA256_BLOCK_LENGTH]) +{ + uint32_t W[16]; + uint32_t T[8]; + unsigned int j; + + /* Copy context state to working vars. */ + memcpy(T, state, sizeof(T)); + /* Copy data to W in big endian format. */ +#if BYTE_ORDER == BIG_ENDIAN + memcpy(W, data, sizeof(W)); +#else + for (j = 0; j < 16; j++) { + BE8TO32(W[j], data); + data += 4; + } +#endif + /* 64 operations, partially loop unrolled. */ + for (j = 0; j < 64; j += 16) + { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + /* Add the working vars back into context state. */ + state[0] += a(0); + state[1] += b(0); + state[2] += c(0); + state[3] += d(0); + state[4] += e(0); + state[5] += f(0); + state[6] += g(0); + state[7] += h(0); + /* Cleanup */ + explicit_bzero(T, sizeof(T)); + explicit_bzero(W, sizeof(W)); +} + +#undef S0 +#undef S1 +#undef s0 +#undef s1 +#undef R + +void +SHA256Update(SHA2_CTX *ctx, const uint8_t *data, size_t len) +{ + size_t i = 0, j; + + j = (size_t)((ctx->count[0] >> 3) & (SHA256_BLOCK_LENGTH - 1)); + ctx->count[0] += ((uint64_t)len << 3); + if ((j + len) > SHA256_BLOCK_LENGTH - 1) { + memcpy(&ctx->buffer[j], data, (i = SHA256_BLOCK_LENGTH - j)); + SHA256Transform(ctx->state.st32, ctx->buffer); + for ( ; i + SHA256_BLOCK_LENGTH - 1 < len; i += SHA256_BLOCK_LENGTH) + SHA256Transform(ctx->state.st32, (uint8_t *)&data[i]); + j = 0; + } + memcpy(&ctx->buffer[j], &data[i], len - i); +} + +void +SHA256Pad(SHA2_CTX *ctx) +{ + uint8_t finalcount[8]; + + /* Store unpadded message length in bits in big endian format. */ + BE64TO8(finalcount, ctx->count[0]); + + /* Append a '1' bit (0x80) to the message. */ + SHA256Update(ctx, (uint8_t *)"\200", 1); + + /* Pad message such that the resulting length modulo 512 is 448. */ + while ((ctx->count[0] & 511) != 448) + SHA256Update(ctx, (uint8_t *)"\0", 1); + + /* Append length of message in bits and do final SHA256Transform(). */ + SHA256Update(ctx, finalcount, sizeof(finalcount)); +} + +void +SHA256Final(uint8_t digest[SHA256_DIGEST_LENGTH], SHA2_CTX *ctx) +{ + SHA256Pad(ctx); + if (digest != NULL) { +#if BYTE_ORDER == BIG_ENDIAN + memcpy(digest, ctx->state.st32, SHA256_DIGEST_LENGTH); +#else + unsigned int i; + + for (i = 0; i < 8; i++) + BE32TO8(digest + (i * 4), ctx->state.st32[i]); +#endif + memset(ctx, 0, sizeof(*ctx)); + } +} + +void +SHA384Init(SHA2_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state.st64[0] = 0xcbbb9d5dc1059ed8ULL; + ctx->state.st64[1] = 0x629a292a367cd507ULL; + ctx->state.st64[2] = 0x9159015a3070dd17ULL; + ctx->state.st64[3] = 0x152fecd8f70e5939ULL; + ctx->state.st64[4] = 0x67332667ffc00b31ULL; + ctx->state.st64[5] = 0x8eb44a8768581511ULL; + ctx->state.st64[6] = 0xdb0c2e0d64f98fa7ULL; + ctx->state.st64[7] = 0x47b5481dbefa4fa4ULL; +} + +void +SHA384Transform(uint64_t state[8], const uint8_t data[SHA384_BLOCK_LENGTH]) +{ + SHA512Transform(state, data); +} + +void +SHA384Update(SHA2_CTX *ctx, const uint8_t *data, size_t len) +{ + SHA512Update(ctx, data, len); +} + +void +SHA384Pad(SHA2_CTX *ctx) +{ + SHA512Pad(ctx); +} + +void +SHA384Final(uint8_t digest[SHA384_DIGEST_LENGTH], SHA2_CTX *ctx) +{ + SHA384Pad(ctx); + if (digest != NULL) { +#if BYTE_ORDER == BIG_ENDIAN + memcpy(digest, ctx->state.st64, SHA384_DIGEST_LENGTH); +#else + unsigned int i; + + for (i = 0; i < 6; i++) + BE64TO8(digest + (i * 8), ctx->state.st64[i]); +#endif + memset(ctx, 0, sizeof(*ctx)); + } +} + +static const uint64_t SHA512_K[80] = { + 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, + 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, + 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, + 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, + 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, + 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, + 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, + 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, + 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, + 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, + 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, + 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, + 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, + 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, + 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, + 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, + 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, + 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, + 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, + 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, + 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, + 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, + 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, + 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, + 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, + 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, + 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, + 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, + 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, + 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, + 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, + 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, + 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, + 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, + 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, + 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, + 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, + 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, + 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, + 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL +}; + +void +SHA512Init(SHA2_CTX *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); + ctx->state.st64[0] = 0x6a09e667f3bcc908ULL; + ctx->state.st64[1] = 0xbb67ae8584caa73bULL; + ctx->state.st64[2] = 0x3c6ef372fe94f82bULL; + ctx->state.st64[3] = 0xa54ff53a5f1d36f1ULL; + ctx->state.st64[4] = 0x510e527fade682d1ULL; + ctx->state.st64[5] = 0x9b05688c2b3e6c1fULL; + ctx->state.st64[6] = 0x1f83d9abfb41bd6bULL; + ctx->state.st64[7] = 0x5be0cd19137e2179ULL; +} + +/* Round macros for SHA512 */ +#define R(i) do { \ + h(i)+=S1(e(i))+Ch(e(i),f(i),g(i))+SHA512_K[i+j]+(j?blk2(i):blk0(i)); \ + d(i)+=h(i); \ + h(i)+=S0(a(i))+Maj(a(i),b(i),c(i)); \ +} while (0) + +#define S0(x) (rotrFixed(x,28)^rotrFixed(x,34)^rotrFixed(x,39)) +#define S1(x) (rotrFixed(x,14)^rotrFixed(x,18)^rotrFixed(x,41)) +#define s0(x) (rotrFixed(x,1)^rotrFixed(x,8)^(x>>7)) +#define s1(x) (rotrFixed(x,19)^rotrFixed(x,61)^(x>>6)) + +void +SHA512Transform(uint64_t state[8], const uint8_t data[SHA512_BLOCK_LENGTH]) +{ + uint64_t W[16]; + uint64_t T[8]; + unsigned int j; + + /* Copy context state to working vars. */ + memcpy(T, state, sizeof(T)); + /* Copy data to W in big endian format. */ +#if BYTE_ORDER == BIG_ENDIAN + memcpy(W, data, sizeof(W)); +#else + for (j = 0; j < 16; j++) { + BE8TO64(W[j], data); + data += 8; + } +#endif + /* 80 operations, partially loop unrolled. */ + for (j = 0; j < 80; j += 16) + { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + /* Add the working vars back into context state. */ + state[0] += a(0); + state[1] += b(0); + state[2] += c(0); + state[3] += d(0); + state[4] += e(0); + state[5] += f(0); + state[6] += g(0); + state[7] += h(0); + /* Cleanup. */ + explicit_bzero(T, sizeof(T)); + explicit_bzero(W, sizeof(W)); +} + +void +SHA512Update(SHA2_CTX *ctx, const uint8_t *data, size_t len) +{ + size_t i = 0, j; + + j = (size_t)((ctx->count[0] >> 3) & (SHA512_BLOCK_LENGTH - 1)); + ctx->count[0] += ((uint64_t)len << 3); + if (ctx->count[0] < ((uint64_t)len << 3)) + ctx->count[1]++; + if ((j + len) > SHA512_BLOCK_LENGTH - 1) { + memcpy(&ctx->buffer[j], data, (i = SHA512_BLOCK_LENGTH - j)); + SHA512Transform(ctx->state.st64, ctx->buffer); + for ( ; i + SHA512_BLOCK_LENGTH - 1 < len; i += SHA512_BLOCK_LENGTH) + SHA512Transform(ctx->state.st64, (uint8_t *)&data[i]); + j = 0; + } + memcpy(&ctx->buffer[j], &data[i], len - i); +} + +void +SHA512Pad(SHA2_CTX *ctx) +{ + uint8_t finalcount[16]; + + /* Store unpadded message length in bits in big endian format. */ + BE64TO8(finalcount, ctx->count[1]); + BE64TO8(finalcount + 8, ctx->count[0]); + + /* Append a '1' bit (0x80) to the message. */ + SHA512Update(ctx, (uint8_t *)"\200", 1); + + /* Pad message such that the resulting length modulo 1024 is 896. */ + while ((ctx->count[0] & 1023) != 896) + SHA512Update(ctx, (uint8_t *)"\0", 1); + + /* Append length of message in bits and do final SHA512Transform(). */ + SHA512Update(ctx, finalcount, sizeof(finalcount)); +} + +void +SHA512Final(uint8_t digest[SHA512_DIGEST_LENGTH], SHA2_CTX *ctx) +{ + SHA512Pad(ctx); + if (digest != NULL) { +#if BYTE_ORDER == BIG_ENDIAN + memcpy(digest, ctx->state.st64, SHA512_DIGEST_LENGTH); +#else + unsigned int i; + + for (i = 0; i < 8; i++) + BE64TO8(digest + (i * 8), ctx->state.st64[i]); +#endif + memset(ctx, 0, sizeof(*ctx)); + } +} diff --git a/lib/util/sig2str.c b/lib/util/sig2str.c new file mode 100644 index 0000000..11acc5e --- /dev/null +++ b/lib/util/sig2str.c @@ -0,0 +1,100 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2012-2015, 2017-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_SIG2STR + +#include <errno.h> +#include <string.h> +#include <ctype.h> +#include <signal.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +#if !defined(HAVE_SIGABBREV_NP) +# if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1 +# define sigabbrev_np(_x) sys_signame[(_x)] +# elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1 +# define sigabbrev_np(_x) _sys_signame[(_x)] +# elif defined(HAVE_SYS_SIGABBREV) +# define sigabbrev_np(_x) sys_sigabbrev[(_x)] +# if defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 0 + /* sys_sigabbrev is not declared by glibc */ + extern const char *const sys_sigabbrev[NSIG]; +# endif +# else +# define sigabbrev_np(_x) sudo_sys_signame[(_x)] + extern const char *const sudo_sys_signame[NSIG]; +# endif +#endif /* !HAVE_SIGABBREV_NP */ + +/* + * Translate signal number to name. + */ +int +sudo_sig2str(int signo, char *signame) +{ +#if defined(SIGRTMIN) && defined(SIGRTMAX) + /* Realtime signal support. */ + if (signo >= SIGRTMIN && signo <= SIGRTMAX) { +# ifdef _SC_RTSIG_MAX + const long rtmax = sysconf(_SC_RTSIG_MAX); +# else + const long rtmax = SIGRTMAX - SIGRTMIN; +# endif + if (rtmax > 0) { + if (signo == SIGRTMIN) { + strlcpy(signame, "RTMIN", SIG2STR_MAX); + } else if (signo == SIGRTMAX) { + strlcpy(signame, "RTMAX", SIG2STR_MAX); + } else if (signo <= SIGRTMIN + (rtmax / 2) - 1) { + (void)snprintf(signame, SIG2STR_MAX, "RTMIN+%d", + (signo - SIGRTMIN)); + } else { + (void)snprintf(signame, SIG2STR_MAX, "RTMAX-%d", + (SIGRTMAX - signo)); + } + } + return 0; + } +#endif + if (signo > 0 && signo < NSIG) { + const char *cp = sigabbrev_np(signo); + if (cp != NULL) { + strlcpy(signame, cp, SIG2STR_MAX); + /* Make sure we always return an upper case signame. */ + if (islower((unsigned char)signame[0])) { + size_t i; + for (i = 0; signame[i] != '\0'; i++) + signame[i] = (char)toupper((unsigned char)signame[i]); + } + return 0; + } + } + errno = EINVAL; + return -1; +} +#endif /* HAVE_SIG2STR */ diff --git a/lib/util/siglist.in b/lib/util/siglist.in new file mode 100644 index 0000000..aa57a7a --- /dev/null +++ b/lib/util/siglist.in @@ -0,0 +1,56 @@ +# +# List of signals used to build sys_siglist (see mksiglist.c) +# Adapted from pdksh; public domain +# +# Note that if a system has multiple defines for the same signal +# (eg, SIGABRT vs SIGIOT, SIGCHLD vs SIGCLD), only the first one +# will be seen, so the order in this list is important. +# + HUP Hangup + INT Interrupt + QUIT Quit + ILL Illegal instruction + TRAP Trace trap +# before IOT (ABRT is posix and ABRT is sometimes the same as IOT) + ABRT Abort + IOT IOT instruction + EMT EMT trap + FPE Floating point exception + KILL Killed + BUS Bus error + SEGV Memory fault +# before UNUSED (SYS and UNUSED share the same value in musl libc). + SYS Bad system call + UNUSED Unused + PIPE Broken pipe + ALRM Alarm clock + TERM Terminated + STKFLT Stack fault +# before POLL (POLL is sometimes the same as IO) + IO I/O possible + XCPU CPU time limit exceeded + XFSZ File size limit exceeded + VTALRM Virtual timer expired + PROF Profiling timer expired + WINCH Window size change + LOST File lock lost + USR1 User defined signal 1 + USR2 User defined signal 2 + PWR Power-fail/Restart + POLL Pollable event occurred + STOP Stopped (signal) + TSTP Stopped + CONT Continued +# before CLD (CHLD is posix and CHLD is sometimes the same as CLD) + CHLD Child exited + CLD Child exited + TTIN Stopped (tty input) + TTOU Stopped (tty output) + INFO Information request + URG Urgent I/O condition +# Solaris (svr4?) signals + WAITING No runnable LWPs + LWP Inter-LWP signal + FREEZE Checkpoint freeze + THAW Checkpoint thaw + CANCEL Thread cancellation diff --git a/lib/util/snprintf.c b/lib/util/snprintf.c new file mode 100644 index 0000000..64765da --- /dev/null +++ b/lib/util/snprintf.c @@ -0,0 +1,1546 @@ +/* $OpenBSD: vfprintf.c,v 1.67 2014/12/21 00:23:30 daniel Exp $ */ +/* + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1999-2005, 2008, 2010-2016 + * Todd C. Miller <Todd.Miller@sudo.ws> + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * From: @(#)vfprintf.c 8.1 (Berkeley) 6/4/93 + */ + +/* + * v?snprintf/v?asprintf based on OpenBSD vfprintf.c. + */ + +#include <config.h> + +#if !defined(HAVE_VSNPRINTF) || !defined(HAVE_SNPRINTF) || \ + !defined(HAVE_VASPRINTF) || !defined(HAVE_ASPRINTF) || \ + defined(PREFER_PORTABLE_SNPRINTF) + +#include <errno.h> +#ifdef HAVE_NL_LANGINFO +# include <langinfo.h> +#endif +#include <limits.h> +#include <stdarg.h> +#include <stdlib.h> +#include <stddef.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#ifdef PRINTF_WIDE_CHAR +# include <wchar.h> +#endif +#include <fcntl.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +/* Avoid printf format attacks by ignoring the %n escape. */ +#define NO_PRINTF_PERCENT_N + +union arg { + int intarg; + unsigned int uintarg; + long longarg; + unsigned long ulongarg; + long long longlongarg; + unsigned long long ulonglongarg; + ptrdiff_t ptrdiffarg; + size_t sizearg; + ssize_t ssizearg; + intmax_t intmaxarg; + uintmax_t uintmaxarg; + void *pvoidarg; + char *pchararg; + signed char *pschararg; + short *pshortarg; + int *pintarg; + long *plongarg; + long long *plonglongarg; + ptrdiff_t *pptrdiffarg; + ssize_t *pssizearg; + intmax_t *pintmaxarg; +#ifdef FLOATING_POINT + double doublearg; + long double longdoublearg; +#endif +#ifdef PRINTF_WIDE_CHAR + wint_t wintarg; + wchar_t *pwchararg; +#endif +}; + +static int __find_arguments(const char * restrict fmt0, va_list ap, union arg **argtable); +static int __grow_type_table(unsigned char **typetable, int *tablesize); +static int xxxprintf(char ** restrict, size_t, int, const char * restrict, va_list); + +#ifdef PRINTF_WIDE_CHAR +/* + * Convert a wide character string argument for the %ls format to a multibyte + * string representation. If not -1, prec specifies the maximum number of + * bytes to output, and also means that we can't assume that the wide char + * string is null-terminated. + */ +static char * +__wcsconv(wchar_t *wcsarg, int prec) +{ + mbstate_t mbs; + char buf[MB_LEN_MAX]; + wchar_t *p; + char *convbuf; + size_t clen, nbytes; + + /* Allocate space for the maximum number of bytes we could output. */ + if (prec < 0) { + memset(&mbs, 0, sizeof(mbs)); + p = wcsarg; + nbytes = wcsrtombs(NULL, (const wchar_t **)&p, 0, &mbs); + if (nbytes == (size_t)-1) + return NULL; + } else { + /* + * Optimisation: if the output precision is small enough, + * just allocate enough memory for the maximum instead of + * scanning the string. + */ + if (prec < 128) + nbytes = prec; + else { + nbytes = 0; + p = wcsarg; + memset(&mbs, 0, sizeof(mbs)); + for (;;) { + clen = wcrtomb(buf, *p++, &mbs); + if (clen == 0 || clen == (size_t)-1 || + nbytes + clen > (size_t)prec) + break; + nbytes += clen; + } + if (clen == (size_t)-1) + return NULL; + } + } + if ((convbuf = malloc(nbytes + 1)) == NULL) + return NULL; + + /* Fill the output buffer. */ + p = wcsarg; + memset(&mbs, 0, sizeof(mbs)); + if ((nbytes = wcsrtombs(convbuf, (const wchar_t **)&p, + nbytes, &mbs)) == (size_t)-1) { + free(convbuf); + return NULL; + } + convbuf[nbytes] = '\0'; + return convbuf; +} +#endif + +#ifdef FLOATING_POINT +#include <float.h> +#include <locale.h> +#include <math.h> +#include "floatio.h" +#include "gdtoa.h" + +#define DEFPREC 6 + +static int exponent(char *, int, int); +#endif /* FLOATING_POINT */ + +/* + * The size of the buffer we use as scratch space for integer + * conversions, among other things. Technically, we would need the + * most space for base 10 conversions with thousands' grouping + * characters between each pair of digits. 100 bytes is a + * conservative overestimate even for a 128-bit uintmax_t. + */ +#define BUF 100 + +#define STATIC_ARG_TBL_SIZE 8 /* Size of static argument table. */ + + +/* + * Macros for converting digits to letters and vice versa + */ +#define to_digit(c) ((c) - '0') +#define is_digit(c) ((unsigned int)to_digit(c) <= 9) +#define to_char(n) ((n) + '0') + +/* + * Flags used during conversion. + */ +#define ALT 0x0001 /* alternate form */ +#define LADJUST 0x0004 /* left adjustment */ +#define LONGDBL 0x0008 /* long double */ +#define LONGINT 0x0010 /* long integer */ +#define LLONGINT 0x0020 /* long long integer */ +#define SHORTINT 0x0040 /* short integer */ +#define ZEROPAD 0x0080 /* zero (as opposed to blank) pad */ +#define FPT 0x0100 /* Floating point number */ +#define PTRINT 0x0200 /* (unsigned) ptrdiff_t */ +#define SIZEINT 0x0400 /* (signed) size_t */ +#define CHARINT 0x0800 /* 8 bit integer */ +#undef MAXINT /* Also defined by HP-UX param.h... */ +#define MAXINT 0x1000 /* largest integer size (intmax_t) */ + +/* + * Actual printf innards. + */ +static int +xxxprintf(char ** restrict strp, size_t strsize, int alloc, const char * restrict fmt0, va_list ap) +{ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n; /* handy integers (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + int flags; /* flags as above */ + int ret; /* return value accumulator */ + int width; /* width from format (%8d), or 0 */ + int prec; /* precision from format; <0 for N/A */ + char sign; /* sign prefix (' ', '+', '-', or \0) */ +#ifdef FLOATING_POINT + /* + * We can decompose the printed representation of floating + * point numbers into several parts, some of which may be empty: + * + * [+|-| ] [0x|0X] MMM . NNN [e|E|p|P] [+|-] ZZ + * A B ---C--- D E F + * + * A: 'sign' holds this value if present; '\0' otherwise + * B: ox[1] holds the 'x' or 'X'; '\0' if not hexadecimal + * C: cp points to the string MMMNNN. Leading and trailing + * zeros are not in the string and must be added. + * D: expchar holds this character; '\0' if no exponent, e.g. %f + * F: at least two digits for decimal, at least one digit for hex + */ +#ifdef HAVE_NL_LANGINFO + const char *decimal_point = NULL; +#else + const char *decimal_point = "."; +#endif + int signflag; /* true if float is negative */ + union { /* floating point arguments %[aAeEfFgG] */ + double dbl; + long double ldbl; + } fparg; + int expt; /* integer value of exponent */ + char expchar; /* exponent character: [eEpP\0] */ + char *dtoaend; /* pointer to end of converted digits */ + int expsize; /* character count for expstr */ + int lead; /* sig figs before decimal or group sep */ + int ndig; /* actual number of digits returned by dtoa */ + char expstr[MAXEXPDIG+2]; /* buffer for exponent string: e+ZZZ */ + char *dtoaresult = NULL; +#endif + + uintmax_t _umax; /* integer arguments %[diouxX] */ + enum { OCT, DEC, HEX } base; /* base for %[diouxX] conversion */ + int dprec; /* a copy of prec if %[diouxX], 0 otherwise */ + int realsz; /* field size expanded by dprec */ + int size; /* size of converted field or string */ + const char *xdigs = ""; /* digits for %[xX] conversion */ +#define NIOV 8 + char buf[BUF]; /* buffer with space for digits of uintmax_t */ + char ox[2]; /* space for 0x; ox[1] is either x, X, or \0 */ + char *str; /* pointer to string to fill */ + char *estr; /* pointer to last char in str */ + union arg *argtable; /* args, built due to positional arg */ + union arg statargtable[STATIC_ARG_TBL_SIZE]; + int nextarg; /* 1-based argument index */ + va_list orgap; /* original argument pointer */ +#ifdef PRINTF_WIDE_CHAR + char *convbuf; /* buffer for wide to multi-byte conversion */ +#endif + + /* + * Choose PADSIZE to trade efficiency vs. size. If larger printf + * fields occur frequently, increase PADSIZE and make the initialisers + * below longer. + */ +#define PADSIZE 16 /* pad chunk size */ + static char blanks[PADSIZE] = + {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; + static char zeroes[PADSIZE] = + {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; + + static const char xdigs_lower[16] = "0123456789abcdef"; + static const char xdigs_upper[16] = "0123456789ABCDEF"; + + /* + * BEWARE, these `goto done' on error, and PAD uses `n'. + */ + /* Print chars to "str", (allocate as needed if alloc is set). */ +#define PRINT(ptr, len) do { \ + const char *p = ptr; \ + const char *endp = ptr + len; \ + while (p < endp && (str < estr || alloc)) { \ + if (alloc && str >= estr) { \ + char *t; \ + strsize = (strsize << 1) + 1; \ + if (!(t = realloc(*strp, strsize))) { \ + free(str); \ + *strp = NULL; \ + ret = -1; \ + goto done; \ + } \ + str = t + (str - *strp); \ + estr = t + strsize - 1; \ + *strp = t; \ + } \ + *str++ = *p++; \ + } \ +} while (0) + +#define PAD(plen, pstr) do { \ + if ((n = (plen)) > 0) { \ + while (n > PADSIZE) { \ + PRINT(pstr, PADSIZE); \ + n -= PADSIZE; \ + } \ + PRINT(pstr, n); \ + } \ +} while (0) +#define PRINTANDPAD(p, ep, len, with) do { \ + int n2 = (ep) - (p); \ + if (n2 > (len)) \ + n2 = (len); \ + if (n2 > 0) \ + PRINT((p), n2); \ + PAD((len) - (n2 > 0 ? n2 : 0), (with)); \ +} while(0) + + /* + * To extend shorts properly, we need both signed and unsigned + * argument extraction methods. + */ +#define SARG() \ + ((intmax_t)(flags&MAXINT ? GETARG(intmax_t) : \ + flags&LLONGINT ? GETARG(long long) : \ + flags&LONGINT ? GETARG(long) : \ + flags&PTRINT ? GETARG(ptrdiff_t) : \ + flags&SIZEINT ? GETARG(ssize_t) : \ + flags&SHORTINT ? (short)GETARG(int) : \ + flags&CHARINT ? (signed char)GETARG(int) : \ + GETARG(int))) +#define UARG() \ + ((uintmax_t)(flags&MAXINT ? GETARG(uintmax_t) : \ + flags&LLONGINT ? GETARG(unsigned long long) : \ + flags&LONGINT ? GETARG(unsigned long) : \ + flags&PTRINT ? (uintptr_t)GETARG(ptrdiff_t) : /* XXX */ \ + flags&SIZEINT ? GETARG(size_t) : \ + flags&SHORTINT ? (unsigned short)GETARG(int) : \ + flags&CHARINT ? (unsigned char)GETARG(int) : \ + GETARG(unsigned int))) + + /* + * Append a digit to a value and check for overflow. + */ +#define APPEND_DIGIT(val, dig) do { \ + if ((val) > INT_MAX / 10) \ + goto overflow; \ + (val) *= 10; \ + if ((val) > INT_MAX - to_digit((dig))) \ + goto overflow; \ + (val) += to_digit((dig)); \ +} while (0) + + /* + * Get * arguments, including the form *nn$. Preserve the nextarg + * that the argument can be gotten once the type is determined. + */ +#define GETASTER(val) do { \ + int n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) { \ + APPEND_DIGIT(n2, *cp); \ + cp++; \ + } \ + if (*cp == '$') { \ + int hold = nextarg; \ + if (argtable == NULL) { \ + argtable = statargtable; \ + if (__find_arguments(fmt0, orgap, &argtable) == -1) { \ + ret = -1; \ + goto done; \ + } \ + } \ + nextarg = n2; \ + val = GETARG(int); \ + nextarg = hold; \ + fmt = ++cp; \ + } else { \ + val = GETARG(int); \ + } \ +} while (0) + +/* +* Get the argument indexed by nextarg. If the argument table is +* built, use it to get the argument. If its not, get the next +* argument (and arguments must be gotten sequentially). +*/ +#define GETARG(type) \ + ((argtable != NULL) ? *((type*)(&argtable[nextarg++])) : \ + (nextarg++, va_arg(ap, type))) + + fmt = (char *)fmt0; + argtable = NULL; + nextarg = 1; + va_copy(orgap, ap); + ret = 0; +#ifdef PRINTF_WIDE_CHAR + convbuf = NULL; +#endif + + if (alloc) { + strsize = 128; + *strp = str = malloc(strsize); + if (str == NULL) { + ret = -1; + goto done; + } + estr = str + 127; + } else { + str = *strp; + if (strsize) + estr = str + strsize - 1; + else + estr = NULL; + } + + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) + continue; + + if (fmt != cp) { + ptrdiff_t m = fmt - cp; + if (m < 0 || m > INT_MAX - ret) + goto overflow; + PRINT(cp, m); + ret += m; + } + if (ch == '\0') + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + dprec = 0; + width = 0; + prec = -1; + sign = '\0'; + ox[1] = '\0'; + +rflag: ch = *fmt++; +reswitch: switch (ch) { + case ' ': + /* + * ``If the space and + flags both appear, the space + * flag will be ignored.'' + * -- ANSI X3J11 + */ + if (!sign) + sign = ' '; + goto rflag; + case '#': + flags |= ALT; + goto rflag; + case '\'': + /* grouping not implemented */ + goto rflag; + case '*': + /* + * ``A negative field width argument is taken as a + * - flag followed by a positive field width.'' + * -- ANSI X3J11 + * They don't exclude field widths read from args. + */ + GETASTER(width); + if (width >= 0) + goto rflag; + if (width == INT_MIN) + goto overflow; + width = -width; + FALLTHROUGH; + case '-': + flags |= LADJUST; + goto rflag; + case '+': + sign = '+'; + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + GETASTER(n); + prec = n < 0 ? -1 : n; + goto rflag; + } + n = 0; + while (is_digit(ch)) { + APPEND_DIGIT(n, ch); + ch = *fmt++; + } + if (ch == '$') { + nextarg = n; + if (argtable == NULL) { + argtable = statargtable; + if (__find_arguments(fmt0, orgap, + &argtable) == -1) { + ret = -1; + goto done; + } + } + goto rflag; + } + prec = n; + goto reswitch; + case '0': + /* + * ``Note that 0 is taken as a flag, not as the + * beginning of a field width.'' + * -- ANSI X3J11 + */ + flags |= ZEROPAD; + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do { + APPEND_DIGIT(n, ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') { + nextarg = n; + if (argtable == NULL) { + argtable = statargtable; + if (__find_arguments(fmt0, orgap, + &argtable) == -1) { + ret = -1; + goto done; + } + } + goto rflag; + } + width = n; + goto reswitch; +#ifdef FLOATING_POINT + case 'L': + flags |= LONGDBL; + goto rflag; +#endif + case 'h': + if (*fmt == 'h') { + fmt++; + flags |= CHARINT; + } else { + flags |= SHORTINT; + } + goto rflag; + case 'j': + flags |= MAXINT; + goto rflag; + case 'l': + if (*fmt == 'l') { + fmt++; + flags |= LLONGINT; + } else { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= LLONGINT; + goto rflag; + case 't': + flags |= PTRINT; + goto rflag; + case 'z': + flags |= SIZEINT; + goto rflag; + case 'c': +#ifdef PRINTF_WIDE_CHAR + if (flags & LONGINT) { + mbstate_t mbs; + size_t mbseqlen; + + memset(&mbs, 0, sizeof(mbs)); + mbseqlen = wcrtomb(buf, + (wchar_t)GETARG(wint_t), &mbs); + if (mbseqlen == (size_t)-1) { + ret = -1; + goto done; + } + cp = buf; + size = (int)mbseqlen; + } else { +#endif + *(cp = buf) = GETARG(int); + size = 1; +#ifdef PRINTF_WIDE_CHAR + } +#endif + sign = '\0'; + break; + case 'D': + flags |= LONGINT; + FALLTHROUGH; + case 'd': + case 'i': + _umax = SARG(); + if ((intmax_t)_umax < 0) { + _umax = -_umax; + sign = '-'; + } + base = DEC; + goto number; +#ifdef FLOATING_POINT + case 'a': + case 'A': + if (ch == 'a') { + ox[1] = 'x'; + xdigs = xdigs_lower; + expchar = 'p'; + } else { + ox[1] = 'X'; + xdigs = xdigs_upper; + expchar = 'P'; + } + if (prec >= 0) + prec++; + if (dtoaresult) + __freedtoa(dtoaresult); + if (flags & LONGDBL) { + fparg.ldbl = GETARG(long double); + dtoaresult = cp = + __hldtoa(fparg.ldbl, xdigs, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto done; + } + } else { + fparg.dbl = GETARG(double); + dtoaresult = cp = + __hdtoa(fparg.dbl, xdigs, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto done; + } + } + if (prec < 0) + prec = dtoaend - cp; + if (expt == INT_MAX) + ox[1] = '\0'; + goto fp_common; + case 'e': + case 'E': + expchar = ch; + if (prec < 0) /* account for digit before decpt */ + prec = DEFPREC + 1; + else + prec++; + goto fp_begin; + case 'f': + case 'F': + expchar = '\0'; + goto fp_begin; + case 'g': + case 'G': + expchar = ch - ('g' - 'e'); + if (prec == 0) + prec = 1; +fp_begin: + if (prec < 0) + prec = DEFPREC; + if (dtoaresult) + __freedtoa(dtoaresult); + if (flags & LONGDBL) { + fparg.ldbl = GETARG(long double); + dtoaresult = cp = + __ldtoa(&fparg.ldbl, expchar ? 2 : 3, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto done; + } + } else { + fparg.dbl = GETARG(double); + dtoaresult = cp = + __dtoa(fparg.dbl, expchar ? 2 : 3, prec, + &expt, &signflag, &dtoaend); + if (dtoaresult == NULL) { + errno = ENOMEM; + goto done; + } + if (expt == 9999) + expt = INT_MAX; + } +fp_common: + if (signflag) + sign = '-'; + if (expt == INT_MAX) { /* inf or nan */ + if (*cp == 'N') + cp = (ch >= 'a') ? "nan" : "NAN"; + else + cp = (ch >= 'a') ? "inf" : "INF"; + size = 3; + flags &= ~ZEROPAD; + break; + } + flags |= FPT; + ndig = dtoaend - cp; + if (ch == 'g' || ch == 'G') { + if (expt > -4 && expt <= prec) { + /* Make %[gG] smell like %[fF] */ + expchar = '\0'; + if (flags & ALT) + prec -= expt; + else + prec = ndig - expt; + if (prec < 0) + prec = 0; + } else { + /* + * Make %[gG] smell like %[eE], but + * trim trailing zeroes if no # flag. + */ + if (!(flags & ALT)) + prec = ndig; + } + } + if (expchar) { + expsize = exponent(expstr, expt - 1, expchar); + size = expsize + prec; + if (prec > 1 || flags & ALT) + ++size; + } else { + /* space for digits before decimal point */ + if (expt > 0) + size = expt; + else /* "0" */ + size = 1; + /* space for decimal pt and following digits */ + if (prec || flags & ALT) + size += prec + 1; + lead = expt; + } + break; +#endif /* FLOATING_POINT */ +#ifndef NO_PRINTF_PERCENT_N + case 'n': + if (flags & LLONGINT) + *GETARG(long long *) = ret; + else if (flags & LONGINT) + *GETARG(long *) = ret; + else if (flags & SHORTINT) + *GETARG(short *) = ret; + else if (flags & CHARINT) + *GETARG(signed char *) = ret; + else if (flags & PTRINT) + *GETARG(ptrdiff_t *) = ret; + else if (flags & SIZEINT) + *GETARG(ssize_t *) = ret; + else if (flags & MAXINT) + *GETARG(intmax_t *) = ret; + else + *GETARG(int *) = ret; + continue; /* no output */ +#endif /* NO_PRINTF_PERCENT_N */ + case 'O': + flags |= LONGINT; + FALLTHROUGH; + case 'o': + _umax = UARG(); + base = OCT; + goto nosign; + case 'p': + /* + * ``The argument shall be a pointer to void. The + * value of the pointer is converted to a sequence + * of printable characters, in an implementation- + * defined manner.'' + * -- ANSI X3J11 + */ + /* NOSTRICT */ + _umax = (u_long)GETARG(void *); + base = HEX; + xdigs = xdigs_lower; + ox[1] = 'x'; + goto nosign; + case 's': { + size_t len; + +#ifdef PRINTF_WIDE_CHAR + if (flags & LONGINT) { + wchar_t *wcp; + + free(convbuf); + convbuf = NULL; + if ((wcp = GETARG(wchar_t *)) == NULL) { + cp = (char *)"(null)"; + } else { + convbuf = __wcsconv(wcp, prec); + if (convbuf == NULL) { + ret = -1; + goto done; + } + cp = convbuf; + } + } else +#endif /* PRINTF_WIDE_CHAR */ + if ((cp = GETARG(char *)) == NULL) + cp = (char *)"(null)"; + len = prec >= 0 ? strnlen(cp, prec) : strlen(cp); + if (len > INT_MAX) + goto overflow; + size = (int)len; + sign = '\0'; + } + break; + case 'U': + flags |= LONGINT; + FALLTHROUGH; + case 'u': + _umax = UARG(); + base = DEC; + goto nosign; + case 'X': + xdigs = xdigs_upper; + goto hex; + case 'x': + xdigs = xdigs_lower; +hex: _umax = UARG(); + base = HEX; + /* leading 0x/X only if non-zero */ + if (flags & ALT && _umax != 0) + ox[1] = ch; + + /* unsigned conversions */ +nosign: sign = '\0'; + /* + * ``... diouXx conversions ... if a precision is + * specified, the 0 flag will be ignored.'' + * -- ANSI X3J11 + */ +number: if ((dprec = prec) >= 0) + flags &= ~ZEROPAD; + + /* + * ``The result of converting a zero value with an + * explicit precision of zero is no characters.'' + * -- ANSI X3J11 + */ + cp = buf + BUF; + if (_umax != 0 || prec != 0) { + /* + * Unsigned mod is hard, and unsigned mod + * by a constant is easier than that by + * a variable; hence this switch. + */ + switch (base) { + case OCT: + do { + *--cp = to_char(_umax & 7); + _umax >>= 3; + } while (_umax); + /* handle octal leading 0 */ + if (flags & ALT && *cp != '0') + *--cp = '0'; + break; + + case DEC: + /* many numbers are 1 digit */ + while (_umax >= 10) { + *--cp = to_char(_umax % 10); + _umax /= 10; + } + *--cp = to_char(_umax); + break; + + case HEX: + do { + *--cp = xdigs[_umax & 15]; + _umax >>= 4; + } while (_umax); + break; + + default: + cp = (char *)"bug in xxxprintf: bad base"; + size = strlen(cp); + goto skipsize; + } + } + size = buf + BUF - cp; + if (size > BUF) /* should never happen */ + abort(); + skipsize: + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + /* pretend it was %c with argument ch */ + cp = buf; + *cp = ch; + size = 1; + sign = '\0'; + break; + } + + /* + * All reasonable formats wind up here. At this point, `cp' + * points to a string which (if not flags&LADJUST) should be + * padded out to `width' places. If flags&ZEROPAD, it should + * first be prefixed by any sign or other prefix; otherwise, + * it should be blank padded before the prefix is emitted. + * After any left-hand padding and prefixing, emit zeroes + * required by a decimal %[diouxX] precision, then print the + * string proper, then emit zeroes required by any leftover + * floating precision; finally, if LADJUST, pad with blanks. + * + * Compute actual size, so we know how much to pad. + * size excludes decimal prec; realsz includes it. + */ + realsz = dprec > size ? dprec : size; + if (sign) + realsz++; + if (ox[1]) + realsz+= 2; + + /* right-adjusting blank padding */ + if ((flags & (LADJUST|ZEROPAD)) == 0) + PAD(width - realsz, blanks); + + /* prefix */ + if (sign) + PRINT(&sign, 1); + if (ox[1]) { /* ox[1] is either x, X, or \0 */ + ox[0] = '0'; + PRINT(ox, 2); + } + + /* right-adjusting zero padding */ + if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD) + PAD(width - realsz, zeroes); + + /* leading zeroes from decimal precision */ + PAD(dprec - size, zeroes); + + /* the string or number proper */ +#ifdef FLOATING_POINT + if ((flags & FPT) == 0) { + PRINT(cp, size); + } else { /* glue together f_p fragments */ +#ifdef HAVE_NL_LANGINFO + if (decimal_point == NULL) + decimal_point = nl_langinfo(RADIXCHAR); +#endif + if (!expchar) { /* %[fF] or sufficiently short %[gG] */ + if (expt <= 0) { + PRINT(zeroes, 1); + if (prec || flags & ALT) + PRINT(decimal_point, 1); + PAD(-expt, zeroes); + /* already handled initial 0's */ + prec += expt; + } else { + PRINTANDPAD(cp, dtoaend, lead, zeroes); + cp += lead; + if (prec || flags & ALT) + PRINT(decimal_point, 1); + } + PRINTANDPAD(cp, dtoaend, prec, zeroes); + } else { /* %[eE] or sufficiently long %[gG] */ + if (prec > 1 || flags & ALT) { + buf[0] = *cp++; + buf[1] = *decimal_point; + PRINT(buf, 2); + PRINT(cp, ndig-1); + PAD(prec - ndig, zeroes); + } else { /* XeYYY */ + PRINT(cp, 1); + } + PRINT(expstr, expsize); + } + } +#else + PRINT(cp, size); +#endif + /* left-adjusting padding (always blank) */ + if (flags & LADJUST) + PAD(width - realsz, blanks); + + /* finally, adjust ret */ + if (width < realsz) + width = realsz; + if (width > INT_MAX - ret) + goto overflow; + ret += width; + } +done: + va_end(orgap); + if (strsize) + *str = '\0'; + goto finish; + +overflow: + errno = EOVERFLOW; + ret = -1; + +finish: +#ifdef PRINTF_WIDE_CHAR + free(convbuf); +#endif +#ifdef FLOATING_POINT + if (dtoaresult) + __freedtoa(dtoaresult); +#endif + if (argtable != NULL && argtable != statargtable) { + sudo_mmap_free(argtable); + argtable = NULL; + } + return ret; +} + +/* + * Type ids for argument type table. + */ +#define T_UNUSED 0 +#define T_SHORT 1 +#define T_U_SHORT 2 +#define TP_SHORT 3 +#define T_INT 4 +#define T_U_INT 5 +#define TP_INT 6 +#define T_LONG 7 +#define T_U_LONG 8 +#define TP_LONG 9 +#define T_LLONG 10 +#define T_U_LLONG 11 +#define TP_LLONG 12 +#define T_DOUBLE 13 +#define T_LONG_DOUBLE 14 +#define TP_CHAR 15 +#define TP_VOID 16 +#define T_PTRINT 17 +#define TP_PTRINT 18 +#define T_SIZEINT 19 +#define T_SSIZEINT 20 +#define TP_SSIZEINT 21 +#define T_MAXINT 22 +#define T_MAXUINT 23 +#define TP_MAXINT 24 +#define T_CHAR 25 +#define T_U_CHAR 26 +#define T_WINT 27 +#define TP_WCHAR 28 + +/* + * Find all arguments when a positional parameter is encountered. Returns a + * table, indexed by argument number, of pointers to each arguments. The + * initial argument table should be an array of STATIC_ARG_TBL_SIZE entries. + * It will be replaced with a mmap-ed one if it overflows (malloc cannot be + * used since we are attempting to make snprintf thread safe, and alloca is + * problematic since we have nested functions..) + */ +static int +__find_arguments(const char *fmt0, va_list ap, union arg **argtable) +{ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n; /* handy integer (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + int flags; /* flags as above */ + unsigned char *typetable; /* table of types */ + unsigned char stattypetable[STATIC_ARG_TBL_SIZE]; + int tablesize; /* current size of type table */ + int tablemax; /* largest used index in table */ + int nextarg; /* 1-based argument index */ + int ret = 0; /* return value */ + + /* + * Add an argument type to the table, expanding if necessary. + */ +#define ADDTYPE(type) \ + ((nextarg >= tablesize) ? \ + __grow_type_table(&typetable, &tablesize) : 0, \ + (nextarg > tablemax) ? tablemax = nextarg : 0, \ + typetable[nextarg++] = type) + +#define ADDSARG() \ + ((flags&MAXINT) ? ADDTYPE(T_MAXINT) : \ + ((flags&PTRINT) ? ADDTYPE(T_PTRINT) : \ + ((flags&SIZEINT) ? ADDTYPE(T_SSIZEINT) : \ + ((flags&LLONGINT) ? ADDTYPE(T_LLONG) : \ + ((flags&LONGINT) ? ADDTYPE(T_LONG) : \ + ((flags&SHORTINT) ? ADDTYPE(T_SHORT) : \ + ((flags&CHARINT) ? ADDTYPE(T_CHAR) : ADDTYPE(T_INT)))))))) + +#define ADDUARG() \ + ((flags&MAXINT) ? ADDTYPE(T_MAXUINT) : \ + ((flags&PTRINT) ? ADDTYPE(T_PTRINT) : \ + ((flags&SIZEINT) ? ADDTYPE(T_SIZEINT) : \ + ((flags&LLONGINT) ? ADDTYPE(T_U_LLONG) : \ + ((flags&LONGINT) ? ADDTYPE(T_U_LONG) : \ + ((flags&SHORTINT) ? ADDTYPE(T_U_SHORT) : \ + ((flags&CHARINT) ? ADDTYPE(T_U_CHAR) : ADDTYPE(T_U_INT)))))))) + + /* + * Add * arguments to the type array. + */ +#define ADDASTER() do { \ + int n2 = 0; \ + cp = fmt; \ + while (is_digit(*cp)) { \ + APPEND_DIGIT(n2, *cp); \ + cp++; \ + } \ + if (*cp == '$') { \ + int hold = nextarg; \ + nextarg = n2; \ + ADDTYPE(T_INT); \ + nextarg = hold; \ + fmt = ++cp; \ + } else { \ + ADDTYPE(T_INT); \ + } \ +} while (0) + fmt = (char *)fmt0; + typetable = stattypetable; + tablesize = STATIC_ARG_TBL_SIZE; + tablemax = 0; + nextarg = 1; + memset(typetable, T_UNUSED, STATIC_ARG_TBL_SIZE); + + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) + continue; + if (ch == '\0') + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + +rflag: ch = *fmt++; +reswitch: switch (ch) { + case ' ': + case '#': + case '\'': + goto rflag; + case '*': + ADDASTER(); + goto rflag; + case '-': + case '+': + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + ADDASTER(); + goto rflag; + } + while (is_digit(ch)) { + ch = *fmt++; + } + goto reswitch; + case '0': + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do { + APPEND_DIGIT(n ,ch); + ch = *fmt++; + } while (is_digit(ch)); + if (ch == '$') { + nextarg = n; + goto rflag; + } + goto reswitch; +#ifdef FLOATING_POINT + case 'L': + flags |= LONGDBL; + goto rflag; +#endif + case 'h': + if (*fmt == 'h') { + fmt++; + flags |= CHARINT; + } else { + flags |= SHORTINT; + } + goto rflag; + case 'j': + flags |= MAXINT; + goto rflag; + case 'l': + if (*fmt == 'l') { + fmt++; + flags |= LLONGINT; + } else { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= LLONGINT; + goto rflag; + case 't': + flags |= PTRINT; + goto rflag; + case 'z': + flags |= SIZEINT; + goto rflag; + case 'c': +#ifdef PRINTF_WIDE_CHAR + if (flags & LONGINT) + ADDTYPE(T_WINT); + else +#endif + ADDTYPE(T_INT); + break; + case 'D': + flags |= LONGINT; + FALLTHROUGH; + case 'd': + case 'i': + ADDSARG(); + break; +#ifdef FLOATING_POINT + case 'a': + case 'A': + case 'e': + case 'E': + case 'f': + case 'F': + case 'g': + case 'G': + if (flags & LONGDBL) + ADDTYPE(T_LONG_DOUBLE); + else + ADDTYPE(T_DOUBLE); + break; +#endif /* FLOATING_POINT */ +#ifndef NO_PRINTF_PERCENT_N + case 'n': + if (flags & LLONGINT) + ADDTYPE(TP_LLONG); + else if (flags & LONGINT) + ADDTYPE(TP_LONG); + else if (flags & SHORTINT) + ADDTYPE(TP_SHORT); + else if (flags & PTRINT) + ADDTYPE(TP_PTRINT); + else if (flags & SIZEINT) + ADDTYPE(TP_SSIZEINT); + else if (flags & MAXINT) + ADDTYPE(TP_MAXINT); + else + ADDTYPE(TP_INT); + continue; /* no output */ +#endif /* NO_PRINTF_PERCENT_N */ + case 'O': + flags |= LONGINT; + FALLTHROUGH; + case 'o': + ADDUARG(); + break; + case 'p': + ADDTYPE(TP_VOID); + break; + case 's': +#ifdef PRINTF_WIDE_CHAR + if (flags & LONGINT) + ADDTYPE(TP_WCHAR); + else +#endif + ADDTYPE(TP_CHAR); + break; + case 'U': + flags |= LONGINT; + FALLTHROUGH; + case 'u': + case 'X': + case 'x': + ADDUARG(); + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + break; + } + } +done: + /* + * Build the argument table. + */ + if (tablemax >= STATIC_ARG_TBL_SIZE) { + *argtable = sudo_mmap_allocarray(tablemax + 1, + sizeof(union arg)); + if (*argtable == NULL) + return -1; + } + + for (n = 1; n <= tablemax; n++) { + switch (typetable[n]) { + case T_UNUSED: + case T_CHAR: + case T_U_CHAR: + case T_SHORT: + case T_U_SHORT: + case T_INT: + (*argtable)[n].intarg = va_arg(ap, int); + break; + case TP_SHORT: + (*argtable)[n].pshortarg = va_arg(ap, short *); + break; + case T_U_INT: + (*argtable)[n].uintarg = va_arg(ap, unsigned int); + break; + case TP_INT: + (*argtable)[n].pintarg = va_arg(ap, int *); + break; + case T_LONG: + (*argtable)[n].longarg = va_arg(ap, long); + break; + case T_U_LONG: + (*argtable)[n].ulongarg = va_arg(ap, unsigned long); + break; + case TP_LONG: + (*argtable)[n].plongarg = va_arg(ap, long *); + break; + case T_LLONG: + (*argtable)[n].longlongarg = va_arg(ap, long long); + break; + case T_U_LLONG: + (*argtable)[n].ulonglongarg = va_arg(ap, unsigned long long); + break; + case TP_LLONG: + (*argtable)[n].plonglongarg = va_arg(ap, long long *); + break; +#ifdef FLOATING_POINT + case T_DOUBLE: + (*argtable)[n].doublearg = va_arg(ap, double); + break; + case T_LONG_DOUBLE: + (*argtable)[n].longdoublearg = va_arg(ap, long double); + break; +#endif + case TP_CHAR: + (*argtable)[n].pchararg = va_arg(ap, char *); + break; + case TP_VOID: + (*argtable)[n].pvoidarg = va_arg(ap, void *); + break; + case T_PTRINT: + (*argtable)[n].ptrdiffarg = va_arg(ap, ptrdiff_t); + break; + case TP_PTRINT: + (*argtable)[n].pptrdiffarg = va_arg(ap, ptrdiff_t *); + break; + case T_SIZEINT: + (*argtable)[n].sizearg = va_arg(ap, size_t); + break; + case T_SSIZEINT: + (*argtable)[n].ssizearg = va_arg(ap, ssize_t); + break; + case TP_SSIZEINT: + (*argtable)[n].pssizearg = va_arg(ap, ssize_t *); + break; + case T_MAXINT: + (*argtable)[n].intmaxarg = va_arg(ap, intmax_t); + break; + case T_MAXUINT: + (*argtable)[n].uintmaxarg = va_arg(ap, uintmax_t); + break; + case TP_MAXINT: + (*argtable)[n].pintmaxarg = va_arg(ap, intmax_t *); + break; +#ifdef PRINTF_WIDE_CHAR + case T_WINT: + (*argtable)[n].wintarg = va_arg(ap, wint_t); + break; + case TP_WCHAR: + (*argtable)[n].pwchararg = va_arg(ap, wchar_t *); + break; +#endif + } + } + goto finish; + +overflow: + errno = EOVERFLOW; + ret = -1; + +finish: + if (typetable != NULL && typetable != stattypetable) { + sudo_mmap_free(typetable); + typetable = NULL; + } + return ret; +} + +/* + * Increase the size of the type table. + */ +static int +__grow_type_table(unsigned char **typetable, int *tablesize) +{ + unsigned char *oldtable = *typetable; + int newsize = *tablesize * 2; + + if (*tablesize == STATIC_ARG_TBL_SIZE) { + *typetable = sudo_mmap_alloc(newsize); + if (*typetable == NULL) + return -1; + memcpy(*typetable, oldtable, *tablesize); + } else { + unsigned char *new = sudo_mmap_alloc(newsize); + if (new == NULL) + return -1; + memcpy(new, *typetable, *tablesize); + sudo_mmap_free(*typetable); + *typetable = new; + } + memset(*typetable + *tablesize, T_UNUSED, (newsize - *tablesize)); + + *tablesize = newsize; + return 0; +} + +#ifdef FLOATING_POINT +static int +exponent(char *p0, int exp, int fmtch) +{ + char *p, *t; + char expbuf[MAXEXPDIG]; + + p = p0; + *p++ = fmtch; + if (exp < 0) { + exp = -exp; + *p++ = '-'; + } else + *p++ = '+'; + t = expbuf + MAXEXPDIG; + if (exp > 9) { + do { + *--t = to_char(exp % 10); + } while ((exp /= 10) > 9); + *--t = to_char(exp); + for (; t < expbuf + MAXEXPDIG; *p++ = *t++) + /* nothing */; + } else { + /* + * Exponents for decimal floating point conversions + * (%[eEgG]) must be at least two characters long, + * whereas exponents for hexadecimal conversions can + * be only one character long. + */ + if (fmtch == 'e' || fmtch == 'E') + *p++ = '0'; + *p++ = to_char(exp); + } + return p - p0; +} +#endif /* FLOATING_POINT */ + +#if !defined(HAVE_VSNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF) +int +sudo_vsnprintf(char * restrict str, size_t n, const char * restrict fmt, va_list ap) +{ + if (n > INT_MAX) { + errno = EOVERFLOW; + *str = '\0'; + return -1; + } + return xxxprintf(&str, n, 0, fmt, ap); +} +#endif /* !HAVE_VSNPRINTF || PREFER_PORTABLE_SNPRINTF */ + +#if !defined(HAVE_SNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF) +int +sudo_snprintf(char * restrict str, size_t n, char const * restrict fmt, ...) +{ + int ret; + va_list ap; + + if (n > INT_MAX) { + errno = EOVERFLOW; + *str = '\0'; + return -1; + } + va_start(ap, fmt); + ret = xxxprintf(&str, n, 0, fmt, ap); + va_end(ap); + return ret; +} +#endif /* !HAVE_SNPRINTF || PREFER_PORTABLE_SNPRINTF */ + +#if !defined(HAVE_VASPRINTF) || defined(PREFER_PORTABLE_SNPRINTF) +int +sudo_vasprintf(char ** restrict str, const char * restrict fmt, va_list ap) +{ + int ret; + + ret = xxxprintf(str, 0, 1, fmt, ap); + if (ret == -1) + *str = NULL; + return ret; +} +#endif /* !HAVE_VASPRINTF || PREFER_PORTABLE_SNPRINTF */ + +#if !defined(HAVE_ASPRINTF) || defined(PREFER_PORTABLE_SNPRINTF) +int +sudo_asprintf(char ** restrict str, char const * restrict fmt, ...) +{ + int ret; + va_list ap; + + va_start(ap, fmt); + ret = xxxprintf(str, 0, 1, fmt, ap); + va_end(ap); + if (ret == -1) + *str = NULL; + return ret; +} +#endif /* !HAVE_ASPRINTF || PREFER_PORTABLE_SNPRINTF */ + +#endif /* !HAVE_VSNPRINTF || !HAVE_SNPRINTF || !HAVE_VASPRINTF || !HAVE_ASPRINTF || PREFER_PORTABLE_SNPRINTF */ diff --git a/lib/util/str2sig.c b/lib/util/str2sig.c new file mode 100644 index 0000000..5b0bcbf --- /dev/null +++ b/lib/util/str2sig.c @@ -0,0 +1,174 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STR2SIG + +#include <errno.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ +#include <ctype.h> +#include <signal.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_util.h> + +#if !defined(HAVE_SIGABBREV_NP) +# if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1 +# define sigabbrev_np(_x) sys_signame[(_x)] +# elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1 +# define sigabbrev_np(_x) _sys_signame[(_x)] +# elif defined(HAVE_SYS_SIGABBREV) +# define sigabbrev_np(_x) sys_sigabbrev[(_x)] +# if defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 0 + /* sys_sigabbrev is not declared by glibc */ + extern const char *const sys_sigabbrev[NSIG]; +# endif +# else +# define sigabbrev_np(_x) sudo_sys_signame[(_x)] + extern const char *const sudo_sys_signame[NSIG]; +# endif +#endif /* !HAVE_SIGABBREV_NP */ + +/* + * Many systems use aliases for source backward compatibility. + */ +static struct sigalias { + const char *name; + int number; +} sigaliases[] = { +#ifdef SIGABRT + { "ABRT", SIGABRT }, +#endif +#ifdef SIGCLD + { "CLD", SIGCLD }, +#endif +#ifdef SIGIO + { "IO", SIGIO }, +#endif +#ifdef SIGIOT + { "IOT", SIGIOT }, +#endif +#ifdef SIGLOST + { "LOST", SIGLOST }, +#endif +#ifdef SIGPOLL + { "POLL", SIGPOLL }, +#endif + { NULL, -1 } +}; + +/* + * Translate signal name to number. + */ +int +sudo_str2sig(const char *signame, int *result) +{ + struct sigalias *alias; + const char *errstr; + int signo; + + /* Could be a signal number encoded as a string. */ + if (isdigit((unsigned char)signame[0])) { + signo = (int)sudo_strtonum(signame, 0, NSIG - 1, &errstr); + if (errstr != NULL) + return -1; + *result = signo; + return 0; + } + + /* Check real-time signals. */ +#if defined(SIGRTMIN) + if (strncmp(signame, "RTMIN", 5) == 0) { + if (signame[5] == '\0') { + *result = SIGRTMIN; + return 0; + } + if (signame[5] == '+') { + if (isdigit((unsigned char)signame[6])) { +# ifdef _SC_RTSIG_MAX + const long rtmax = sysconf(_SC_RTSIG_MAX); +# else + const long rtmax = SIGRTMAX - SIGRTMIN; +# endif + const int off = signame[6] - '0'; + + if (rtmax > 0 && off < rtmax / 2) { + *result = SIGRTMIN + off; + return 0; + } + } + } + } +#endif +#if defined(SIGRTMAX) + if (strncmp(signame, "RTMAX", 5) == 0) { + if (signame[5] == '\0') { + *result = SIGRTMAX; + return 0; + } + if (signame[5] == '-') { + if (isdigit((unsigned char)signame[6])) { +# ifdef _SC_RTSIG_MAX + const long rtmax = sysconf(_SC_RTSIG_MAX); +# else + const long rtmax = SIGRTMAX - SIGRTMIN; +# endif + const int off = signame[6] - '0'; + + if (rtmax > 0 && off < rtmax / 2) { + *result = SIGRTMAX - off; + return 0; + } + } + } + } +#endif + + /* Check aliases. */ + for (alias = sigaliases; alias->name != NULL; alias++) { + if (strcmp(signame, alias->name) == 0) { + *result = alias->number; + return 0; + } + } + + for (signo = 1; signo < NSIG; signo++) { + const char *cp = sigabbrev_np(signo); + if (cp != NULL) { + /* On macOS sys_signame[] may contain lower-case names. */ + if (strcasecmp(signame, cp) == 0) { + *result = signo; + return 0; + } + } + } + + errno = EINVAL; + return -1; +} +#endif /* HAVE_STR2SIG */ diff --git a/lib/util/strlcat.c b/lib/util/strlcat.c new file mode 100644 index 0000000..a124a4f --- /dev/null +++ b/lib/util/strlcat.c @@ -0,0 +1,69 @@ +/* $OpenBSD: strlcat.c,v 1.15 2015/03/02 21:41:08 millert Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1998, 2003-2005, 2010-2011, 2013-2015 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STRLCAT + +#include <string.h> + +#include <sudo_compat.h> + +/* + * Appends src to string dst of size dsize (unlike strncat, dsize is the + * full size of dst, not space left). At most dsize-1 characters + * will be copied. Always NUL terminates (unless dsize <= strlen(dst)). + * Returns strlen(src) + MIN(dsize, strlen(initial dst)). + * If retval >= dsize, truncation occurred. + */ +size_t +sudo_strlcat(char * restrict dst, const char * restrict src, size_t dsize) +{ + const char *odst = dst; + const char *osrc = src; + size_t n = dsize; + size_t dlen; + + /* Find the end of dst and adjust bytes left but don't go past end. */ + while (n-- != 0 && *dst != '\0') + dst++; + dlen = (size_t)(dst - odst); + n = dsize - dlen; + + if (n-- == 0) + return(dlen + strlen(src)); + while (*src != '\0') { + if (n != 0) { + *dst++ = *src; + n--; + } + src++; + } + *dst = '\0'; + + return(dlen + (size_t)(src - osrc)); /* count does not include NUL */ +} +#endif /* HAVE_STRLCAT */ diff --git a/lib/util/strlcpy.c b/lib/util/strlcpy.c new file mode 100644 index 0000000..c2daada --- /dev/null +++ b/lib/util/strlcpy.c @@ -0,0 +1,64 @@ +/* $OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1998, 2003-2005, 2010-2011, 2013-2015 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STRLCPY + +#include <string.h> + +#include <sudo_compat.h> + +/* + * Copy string src to buffer dst of size dsize. At most dsize-1 + * chars will be copied. Always NUL terminates (unless dsize == 0). + * Returns strlen(src); if retval >= dsize, truncation occurred. + */ +size_t +sudo_strlcpy(char * restrict dst, const char * restrict src, size_t dsize) +{ + const char *osrc = src; + size_t nleft = dsize; + + /* Copy as many bytes as will fit. */ + if (nleft != 0) { + while (--nleft != 0) { + if ((*dst++ = *src++) == '\0') + break; + } + } + + /* Not enough room in dst, add NUL and traverse rest of src. */ + if (nleft == 0) { + if (dsize != 0) + *dst = '\0'; /* NUL-terminate dst */ + while (*src++) + continue; + } + + return((size_t)(src - osrc) - 1); /* count does not include NUL */ +} +#endif /* HAVE_STRLCPY */ diff --git a/lib/util/strndup.c b/lib/util/strndup.c new file mode 100644 index 0000000..f44fc8d --- /dev/null +++ b/lib/util/strndup.c @@ -0,0 +1,51 @@ +/* $OpenBSD: strndup.c,v 1.1 2010/05/18 22:24:55 tedu Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STRNDUP + +#include <stdlib.h> +#include <string.h> + +#include <sudo_compat.h> + +char * +sudo_strndup(const char *str, size_t maxlen) +{ + char *copy; + size_t len; + + len = strnlen(str, maxlen); + copy = malloc(len + 1); + if (copy != NULL) { + (void)memcpy(copy, str, len); + copy[len] = '\0'; + } + + return copy; +} + +#endif /* HAVE_STRNDUP */ diff --git a/lib/util/strnlen.c b/lib/util/strnlen.c new file mode 100644 index 0000000..c394515 --- /dev/null +++ b/lib/util/strnlen.c @@ -0,0 +1,45 @@ +/* $OpenBSD: strnlen.c,v 1.5 2014/06/10 04:17:37 deraadt Exp $ */ + +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STRNLEN + +#include <sys/types.h> + +#include <sudo_compat.h> + +size_t +sudo_strnlen(const char *str, size_t maxlen) +{ + const char *cp; + + for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) + continue; + + return (size_t)(cp - str); +} + +#endif /* HAVE_STRNLEN */ diff --git a/lib/util/strsignal.c b/lib/util/strsignal.c new file mode 100644 index 0000000..411252f --- /dev/null +++ b/lib/util/strsignal.c @@ -0,0 +1,52 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2014 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_STRSIGNAL + +#include <signal.h> + +#include <sudo_compat.h> +#include <sudo_gettext.h> + +#if defined(HAVE_DECL_SYS_SIGLIST) && HAVE_DECL_SYS_SIGLIST == 1 +# define sudo_sys_siglist sys_siglist +#elif defined(HAVE_DECL__SYS_SIGLIST) && HAVE_DECL__SYS_SIGLIST == 1 +# define sudo_sys_siglist _sys_siglist +#else +extern const char *const sudo_sys_siglist[NSIG]; +#endif + +/* + * Get signal description string + */ +char * +sudo_strsignal(int signo) +{ + if (signo > 0 && signo < NSIG && sudo_sys_siglist[signo] != NULL) + return (char *)sudo_sys_siglist[signo]; + /* XXX - should be "Unknown signal: %d" */ + return (char *)_("Unknown signal"); +} +#endif /* HAVE_STRSIGNAL */ diff --git a/lib/util/strsplit.c b/lib/util/strsplit.c new file mode 100644 index 0000000..2343975 --- /dev/null +++ b/lib/util/strsplit.c @@ -0,0 +1,73 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* + * Like strtok_r but non-destructive and works w/o a NUL terminator. + * TODO: Optimize by storing current char in a variable ch + */ +const char * +sudo_strsplit_v1(const char *str, const char *endstr, const char *sep, const char **last) +{ + const char *cp, *s; + debug_decl(sudo_strsplit, SUDO_DEBUG_UTIL); + + /* If no str specified, use last ptr (if any). */ + if (str == NULL) + str = *last; + + /* Skip leading separator characters. */ + while (str < endstr) { + for (s = sep; *s != '\0'; s++) { + if (*str == *s) { + str++; + break; + } + } + if (*s == '\0') + break; + } + + /* Empty string? */ + if (str >= endstr) { + *last = endstr; + debug_return_ptr(NULL); + } + + /* Scan str until we hit a char from sep. */ + for (cp = str; cp < endstr; cp++) { + for (s = sep; *s != '\0'; s++) { + if (*cp == *s) + break; + } + if (*s != '\0') + break; + } + *last = cp; + debug_return_const_ptr(str); +} diff --git a/lib/util/strtobool.c b/lib/util/strtobool.c new file mode 100644 index 0000000..61aebbc --- /dev/null +++ b/lib/util/strtobool.c @@ -0,0 +1,77 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010-2016 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +int +sudo_strtobool_v1(const char *str) +{ + debug_decl(sudo_strtobool, SUDO_DEBUG_UTIL); + + switch (*str) { + case '0': + case '1': + if (str[1] == '\0') + debug_return_int(*str - '0'); + break; + case 'y': + case 'Y': + if (strcasecmp(str, "yes") == 0) + debug_return_int(1); + break; + case 't': + case 'T': + if (strcasecmp(str, "true") == 0) + debug_return_int(1); + break; + case 'o': + case 'O': + if (strcasecmp(str, "on") == 0) + debug_return_int(1); + if (strcasecmp(str, "off") == 0) + debug_return_int(0); + break; + case 'n': + case 'N': + if (strcasecmp(str, "no") == 0) + debug_return_int(0); + break; + case 'f': + case 'F': + if (strcasecmp(str, "false") == 0) + debug_return_int(0); + break; + } + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "invalid boolean value \"%s\"", str); + + debug_return_int(-1); +} diff --git a/lib/util/strtoid.c b/lib/util/strtoid.c new file mode 100644 index 0000000..7e66a53 --- /dev/null +++ b/lib/util/strtoid.c @@ -0,0 +1,108 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> /* for id_t */ + +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <ctype.h> +#include <errno.h> +#include <limits.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +/* + * Make sure that the ID ends with a valid separator char. + */ +static bool +valid_separator(const char *p, const char *ep, const char *sep) +{ + bool valid = false; + + if (ep != p) { + /* check for valid separator (including '\0') */ + if (sep == NULL) + sep = ""; + do { + if (*ep == *sep) + valid = true; + } while (*sep++ != '\0'); + } + return valid; +} + +/* + * Parse a uid/gid in string form. + * If sep is non-NULL, it contains valid separator characters (e.g. comma, space) + * If endp is non-NULL it is set to the next char after the ID. + * On success, returns the parsed ID and clears errstr. + * On error, returns 0 and sets errstr. + */ +id_t +sudo_strtoidx_v1(const char *p, const char *sep, char **endp, const char **errstrp) +{ + const char *errstr; + char *ep; + id_t ret; + debug_decl(sudo_strtoid, SUDO_DEBUG_UTIL); + + ret = (id_t)sudo_strtonumx(p, INT_MIN, UINT_MAX, &ep, &errstr); + if (errstr == NULL) { + /* + * Disallow id -1 (UINT_MAX), which means "no change" + * and check for a valid separator (if specified). + */ + if (ret == (id_t)-1 || ret == (id_t)UINT_MAX || !valid_separator(p, ep, sep)) { + errstr = N_("invalid value"); + errno = EINVAL; + ret = 0; + } + } + if (errstrp != NULL) + *errstrp = errstr; + if (endp != NULL) + *endp = ep; + debug_return_id_t(ret); +} + +/* Backward compatibility */ +id_t +sudo_strtoid_v1(const char *p, const char *sep, char **endp, const char **errstrp) +{ + return sudo_strtoidx_v1(p, sep, endp, errstrp); +} + +/* Simplified interface */ +id_t +sudo_strtoid_v2(const char *p, const char **errstrp) +{ + return sudo_strtoidx_v1(p, NULL, NULL, errstrp); +} diff --git a/lib/util/strtomode.c b/lib/util/strtomode.c new file mode 100644 index 0000000..1902031 --- /dev/null +++ b/lib/util/strtomode.c @@ -0,0 +1,71 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> + +#include <stdlib.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +/* + * Parse an octal file mode in the range [0, 0777]. + * On success, returns the parsed mode and clears errstr. + * On error, returns 0 and sets errstr. + */ +mode_t +sudo_strtomode_v2(const char *cp, const char **errstr) +{ + char *ep; + long lval; + debug_decl(sudo_strtomode, SUDO_DEBUG_UTIL); + + errno = 0; + lval = strtol(cp, &ep, 8); + if (ep == cp || *ep != '\0') { + if (errstr != NULL) + *errstr = N_("invalid value"); + errno = EINVAL; + debug_return_mode_t(0); + } + if (lval < 0 || lval > ACCESSPERMS) { + if (errstr != NULL) + *errstr = lval < 0 ? N_("value too small") : N_("value too large"); + errno = ERANGE; + debug_return_mode_t(0); + } + if (errstr != NULL) + *errstr = NULL; + debug_return_mode_t((mode_t)lval); +} + +int +sudo_strtomode_v1(const char *cp, const char **errstr) +{ + return (int)sudo_strtomode_v2(cp, errstr); +} diff --git a/lib/util/strtonum.c b/lib/util/strtonum.c new file mode 100644 index 0000000..78e42e9 --- /dev/null +++ b/lib/util/strtonum.c @@ -0,0 +1,192 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013-2015, 2019-2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <ctype.h> +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_gettext.h> +#include <sudo_util.h> + +enum strtonum_err { + STN_INITIAL, + STN_VALID, + STN_INVALID, + STN_TOOSMALL, + STN_TOOBIG +}; + +/* + * Convert a string to a number in the range [minval, maxval] + * Unlike strtonum(), this returns the first non-digit in endp (if not NULL). + */ +long long +sudo_strtonumx(const char *str, long long minval, long long maxval, char **endp, + const char **errstrp) +{ + enum strtonum_err errval = STN_INITIAL; + long long lastval, result = 0; + const char *cp = str; + int remainder; + char ch, sign; + + if (minval > maxval) { + errval = STN_INVALID; + goto done; + } + + /* Trim leading space and check sign, if any. */ + do { + ch = *cp++; + } while (isspace((unsigned char)ch)); + switch (ch) { + case '-': + sign = '-'; + ch = *cp++; + break; + case '+': + ch = *cp++; + FALLTHROUGH; + default: + sign = '+'; + break; + } + + /* + * To prevent overflow we determine the highest (or lowest in + * the case of negative numbers) value result can have *before* + * if its multiplied (divided) by 10 as well as the remainder. + * If result matches this value and the next digit is larger than + * the remainder, we know the result is out of range. + * The remainder is always positive since it is compared against + * an unsigned digit. + */ + if (sign == '-') { + lastval = minval / 10; + remainder = -(int)(minval % 10); + if (remainder < 0) { + lastval += 1; + remainder += 10; + } + for (;; ch = *cp++) { + if (!isdigit((unsigned char)ch)) + break; + ch -= '0'; + if (result < lastval || (result == lastval && ch > remainder)) { + /* Skip remaining digits. */ + do { + ch = *cp++; + } while (isdigit((unsigned char)ch)); + errval = STN_TOOSMALL; + break; + } else { + result *= 10; + result -= ch; + errval = STN_VALID; + } + } + if (result > maxval) + errval = STN_TOOBIG; + } else { + lastval = maxval / 10; + remainder = (int)(maxval % 10); + for (;; ch = *cp++) { + if (!isdigit((unsigned char)ch)) + break; + ch -= '0'; + if (result > lastval || (result == lastval && ch > remainder)) { + /* Skip remaining digits. */ + do { + ch = *cp++; + } while (isdigit((unsigned char)ch)); + errval = STN_TOOBIG; + break; + } else { + result *= 10; + result += ch; + errval = STN_VALID; + } + } + if (result < minval) + errval = STN_TOOSMALL; + } + +done: + switch (errval) { + case STN_INITIAL: + case STN_VALID: + if (errstrp != NULL) + *errstrp = NULL; + break; + case STN_INVALID: + result = 0; + errno = EINVAL; + if (errstrp != NULL) + *errstrp = N_("invalid value"); + break; + case STN_TOOSMALL: + result = 0; + errno = ERANGE; + if (errstrp != NULL) + *errstrp = N_("value too small"); + break; + case STN_TOOBIG: + result = 0; + errno = ERANGE; + if (errstrp != NULL) + *errstrp = N_("value too large"); + break; + } + if (endp != NULL) { + if (errval == STN_INITIAL || errval == STN_INVALID) + *endp = (char *)str; + else + *endp = (char *)(cp - 1); + } + return result; +} + +/* + * Convert a string to a number in the range [minval, maxval] + */ +long long +sudo_strtonum(const char *str, long long minval, long long maxval, + const char **errstrp) +{ + const char *errstr; + char *ep; + long long ret; + + ret = sudo_strtonumx(str, minval, maxval, &ep, &errstr); + /* Check for empty string and terminating NUL. */ + if (str == ep || *ep != '\0') { + errno = EINVAL; + errstr = N_("invalid value"); + ret = 0; + } + if (errstrp != NULL) + *errstrp = errstr; + return ret; +} diff --git a/lib/util/sudo_conf.c b/lib/util/sudo_conf.c new file mode 100644 index 0000000..be22e45 --- /dev/null +++ b/lib/util/sudo_conf.c @@ -0,0 +1,809 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2009-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# include <compat/stdbool.h> +#endif +#include <string.h> +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#ifdef HAVE_DLOPEN +# include <dlfcn.h> +#endif + +#define SUDO_ERROR_WRAP 0 + +#include <sudo_compat.h> +#include <sudo_conf.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_plugin.h> +#include <sudo_util.h> +#include <pathnames.h> + +#ifndef _PATH_SUDO_INTERCEPT +# define _PATH_SUDO_INTERCEPT NULL +#endif +#ifndef _PATH_SUDO_NOEXEC +# define _PATH_SUDO_NOEXEC NULL +#endif + +struct sudo_conf_table { + const char *name; + unsigned int namelen; + int (*parser)(const char *entry, const char *conf_file, unsigned int lineno); +}; + +struct sudo_conf_path_table { + const char *pname; + unsigned int pnamelen; + bool dynamic; + const char *pval; +}; + +struct sudo_conf_settings { + bool updated; + bool disable_coredump; + bool probe_interfaces; + int group_source; + int max_groups; +}; + +static int parse_debug(const char *entry, const char *conf_file, unsigned int lineno); +static int parse_path(const char *entry, const char *conf_file, unsigned int lineno); +static int parse_plugin(const char *entry, const char *conf_file, unsigned int lineno); +static int parse_variable(const char *entry, const char *conf_file, unsigned int lineno); + +static struct sudo_conf_table sudo_conf_table[] = { + { "Debug", sizeof("Debug") - 1, parse_debug }, + { "Path", sizeof("Path") - 1, parse_path }, + { "Plugin", sizeof("Plugin") - 1, parse_plugin }, + { "Set", sizeof("Set") - 1, parse_variable }, + { NULL } +}; + +static int set_var_disable_coredump(const char *entry, const char *conf_file, unsigned int); +static int set_var_group_source(const char *entry, const char *conf_file, unsigned int); +static int set_var_max_groups(const char *entry, const char *conf_file, unsigned int); +static int set_var_probe_interfaces(const char *entry, const char *conf_file, unsigned int); + +static struct sudo_conf_table sudo_conf_var_table[] = { + { "disable_coredump", sizeof("disable_coredump") - 1, set_var_disable_coredump }, + { "group_source", sizeof("group_source") - 1, set_var_group_source }, + { "max_groups", sizeof("max_groups") - 1, set_var_max_groups }, + { "probe_interfaces", sizeof("probe_interfaces") - 1, set_var_probe_interfaces }, + { NULL } +}; + +/* Indexes into path_table[] below (order is important). */ +#define SUDO_CONF_PATH_ASKPASS 0 +#define SUDO_CONF_PATH_SESH 1 +#define SUDO_CONF_PATH_INTERCEPT 2 +#define SUDO_CONF_PATH_NOEXEC 3 +#define SUDO_CONF_PATH_PLUGIN_DIR 4 +#define SUDO_CONF_PATH_DEVSEARCH 5 + +#define SUDO_CONF_PATH_INITIALIZER { \ + { "askpass", sizeof("askpass") - 1, false, _PATH_SUDO_ASKPASS }, \ + { "sesh", sizeof("sesh") - 1, false, _PATH_SUDO_SESH }, \ + { "intercept", sizeof("intercept") - 1, false, _PATH_SUDO_INTERCEPT }, \ + { "noexec", sizeof("noexec") - 1, false, _PATH_SUDO_NOEXEC }, \ + { "plugin_dir", sizeof("plugin_dir") - 1, false, _PATH_SUDO_PLUGIN_DIR }, \ + { "devsearch", sizeof("devsearch") - 1, false, _PATH_SUDO_DEVSEARCH }, \ + { NULL } \ +} + +/* + * getgroups(2) on macOS is flakey with respect to non-local groups. + * Even with _DARWIN_UNLIMITED_GETGROUPS set we may not get all groups./ + * See bug #946 for details. + */ +#ifdef __APPLE__ +# define GROUP_SOURCE_DEFAULT GROUP_SOURCE_DYNAMIC +#else +# define GROUP_SOURCE_DEFAULT GROUP_SOURCE_ADAPTIVE +#endif + +#define SUDO_CONF_SETTINGS_INITIALIZER { \ + false, /* updated */ \ + true, /* disable_coredump */ \ + true, /* probe_interfaces */ \ + GROUP_SOURCE_DEFAULT, /* group_source */ \ + -1 /* max_groups */ \ +} + +static struct sudo_conf_data { + struct sudo_conf_settings settings; + struct sudo_conf_debug_list debugging; + struct plugin_info_list plugins; + struct sudo_conf_path_table path_table[7]; +} sudo_conf_data = { + SUDO_CONF_SETTINGS_INITIALIZER, + TAILQ_HEAD_INITIALIZER(sudo_conf_data.debugging), + TAILQ_HEAD_INITIALIZER(sudo_conf_data.plugins), + SUDO_CONF_PATH_INITIALIZER +}; + +/* + * "Set variable_name value" + */ +static int +parse_variable(const char *entry, const char *conf_file, unsigned int lineno) +{ + struct sudo_conf_table *var; + int ret; + debug_decl(parse_variable, SUDO_DEBUG_UTIL); + + for (var = sudo_conf_var_table; var->name != NULL; var++) { + if (strncmp(entry, var->name, var->namelen) == 0 && + isblank((unsigned char)entry[var->namelen])) { + entry += var->namelen + 1; + while (isblank((unsigned char)*entry)) + entry++; + ret = var->parser(entry, conf_file, lineno); + sudo_debug_printf(ret ? SUDO_DEBUG_INFO : SUDO_DEBUG_ERROR, + "%s: %s:%u: Set %s %s", __func__, conf_file, + lineno, var->name, entry); + debug_return_int(ret); + } + } + sudo_debug_printf(SUDO_DEBUG_WARN, "%s: %s:%u: unknown setting %s", + __func__, conf_file, lineno, entry); + debug_return_int(false); +} + +/* + * "Path name /path/to/file" + * If path is missing it will be set to the NULL pointer. + */ +static int +parse_path(const char *entry, const char *conf_file, unsigned int lineno) +{ + const char *entry_end = entry + strlen(entry); + const char *ep, *name, *path; + struct sudo_conf_path_table *cur; + size_t namelen; + debug_decl(parse_path, SUDO_DEBUG_UTIL); + + /* Parse name. */ + name = sudo_strsplit(entry, entry_end, " \t", &ep); + if (name == NULL) + goto bad; + namelen = (size_t)(ep - name); + + /* Parse path (if present). */ + path = sudo_strsplit(NULL, entry_end, " \t", &ep); + + /* Match supported paths, ignoring unknown paths. */ + for (cur = sudo_conf_data.path_table; cur->pname != NULL; cur++) { + if (namelen == cur->pnamelen && + strncasecmp(name, cur->pname, cur->pnamelen) == 0) { + char *pval = NULL; + if (path != NULL) { + if ((pval = strdup(path)) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, + U_("unable to allocate memory")); + debug_return_int(-1); + } + } + if (cur->dynamic) + free((char *)cur->pval); + cur->pval = pval; + cur->dynamic = true; + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: %s:%u: Path %s %s", + __func__, conf_file, lineno, cur->pname, + pval ? pval : "(none)"); + debug_return_int(true); + } + } + sudo_debug_printf(SUDO_DEBUG_WARN, "%s: %s:%u: unknown path %s", + __func__, conf_file, lineno, entry); + debug_return_int(false); +bad: + sudo_warnx(U_("invalid Path value \"%s\" in %s, line %u"), + entry, conf_file, lineno); + debug_return_int(false); +} + +/* + * "Debug program /path/to/log flags,..." + */ +static int +parse_debug(const char *entry, const char *conf_file, unsigned int lineno) +{ + struct sudo_conf_debug *debug_spec; + struct sudo_debug_file *debug_file = NULL; + const char *ep, *path, *progname, *flags; + const char *entry_end = entry + strlen(entry); + size_t pathlen, prognamelen; + debug_decl(parse_debug, SUDO_DEBUG_UTIL); + + /* Parse progname. */ + progname = sudo_strsplit(entry, entry_end, " \t", &ep); + if (progname == NULL) + debug_return_int(false); /* not enough fields */ + prognamelen = (size_t)(ep - progname); + + /* Parse path. */ + path = sudo_strsplit(NULL, entry_end, " \t", &ep); + if (path == NULL) + debug_return_int(false); /* not enough fields */ + pathlen = (size_t)(ep - path); + + /* Remainder is flags (freeform). */ + flags = sudo_strsplit(NULL, entry_end, " \t", &ep); + if (flags == NULL) + debug_return_int(false); /* not enough fields */ + + /* If progname already exists, use it, else alloc a new one. */ + TAILQ_FOREACH(debug_spec, &sudo_conf_data.debugging, entries) { + if (strncmp(debug_spec->progname, progname, prognamelen) == 0 && + debug_spec->progname[prognamelen] == '\0') + break; + } + if (debug_spec == NULL) { + debug_spec = malloc(sizeof(*debug_spec)); + if (debug_spec == NULL) + goto oom; + debug_spec->progname = strndup(progname, prognamelen); + if (debug_spec->progname == NULL) { + free(debug_spec); + debug_spec = NULL; + goto oom; + } + TAILQ_INIT(&debug_spec->debug_files); + TAILQ_INSERT_TAIL(&sudo_conf_data.debugging, debug_spec, entries); + } + debug_file = calloc(1, sizeof(*debug_file)); + if (debug_file == NULL) + goto oom; + debug_file->debug_file = strndup(path, pathlen); + if (debug_file->debug_file == NULL) + goto oom; + debug_file->debug_flags = strdup(flags); + if (debug_file->debug_flags == NULL) + goto oom; + TAILQ_INSERT_TAIL(&debug_spec->debug_files, debug_file, entries); + + debug_return_int(true); +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + if (debug_file != NULL) { + free(debug_file->debug_file); + free(debug_file->debug_flags); + free(debug_file); + } + debug_return_int(-1); +} + +/* + * "Plugin symbol /path/to/log args..." + */ +static int +parse_plugin(const char *entry, const char *conf_file, unsigned int lineno) +{ + struct plugin_info *info = NULL; + const char *ep, *path, *symbol; + const char *entry_end = entry + strlen(entry); + char **options = NULL; + size_t pathlen, symlen; + unsigned int nopts = 0; + debug_decl(parse_plugin, SUDO_DEBUG_UTIL); + + /* Parse symbol. */ + symbol = sudo_strsplit(entry, entry_end, " \t", &ep); + if (symbol == NULL) + debug_return_int(false); /* not enough fields */ + symlen = (size_t)(ep - symbol); + + /* Parse path. */ + path = sudo_strsplit(NULL, entry_end, " \t", &ep); + if (path == NULL) + debug_return_int(false); /* not enough fields */ + pathlen = (size_t)(ep - path); + + /* Split options into an array if present. */ + while (isblank((unsigned char)*ep)) + ep++; + if (*ep != '\0') { + /* Count number of options and allocate array. */ + const char *cp, *opt = ep; + + /* Count and allocate options array. */ + for (nopts = 0, cp = sudo_strsplit(opt, entry_end, " \t", &ep); + cp != NULL; cp = sudo_strsplit(NULL, entry_end, " \t", &ep)) { + nopts++; + } + options = reallocarray(NULL, nopts + 1, sizeof(*options)); + if (options == NULL) + goto oom; + + /* Fill in options array. */ + for (nopts = 0, cp = sudo_strsplit(opt, entry_end, " \t", &ep); + cp != NULL; cp = sudo_strsplit(NULL, entry_end, " \t", &ep)) { + options[nopts] = strndup(cp, (size_t)(ep - cp)); + if (options[nopts] == NULL) + goto oom; + nopts++; + } + options[nopts] = NULL; + } + + info = calloc(1, sizeof(*info)); + if (info == NULL) + goto oom; + info->symbol_name = strndup(symbol, symlen); + if (info->symbol_name == NULL) + goto oom; + info->path = strndup(path, pathlen); + if (info->path == NULL) + goto oom; + info->options = options; + info->lineno = lineno; + TAILQ_INSERT_TAIL(&sudo_conf_data.plugins, info, entries); + + debug_return_int(true); +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + if (options != NULL) { + while (nopts) + free(options[--nopts]); + free(options); + } + if (info != NULL) { + free(info->symbol_name); + free(info->path); + free(info); + } + debug_return_int(-1); +} + +static int +set_var_disable_coredump(const char *strval, const char *conf_file, + unsigned int lineno) +{ + int val = sudo_strtobool(strval); + debug_decl(set_var_disable_coredump, SUDO_DEBUG_UTIL); + + if (val == -1) { + sudo_warnx(U_("invalid value for %s \"%s\" in %s, line %u"), + "disable_coredump", strval, conf_file, lineno); + debug_return_int(false); + } + sudo_conf_data.settings.disable_coredump = val; + debug_return_int(true); +} + +static int +set_var_group_source(const char *strval, const char *conf_file, + unsigned int lineno) +{ + debug_decl(set_var_group_source, SUDO_DEBUG_UTIL); + + if (strcasecmp(strval, "adaptive") == 0) { + sudo_conf_data.settings.group_source = GROUP_SOURCE_ADAPTIVE; + } else if (strcasecmp(strval, "static") == 0) { + sudo_conf_data.settings.group_source = GROUP_SOURCE_STATIC; + } else if (strcasecmp(strval, "dynamic") == 0) { + sudo_conf_data.settings.group_source = GROUP_SOURCE_DYNAMIC; + } else { + sudo_warnx(U_("unsupported group source \"%s\" in %s, line %u"), strval, + conf_file, lineno); + debug_return_int(false); + } + debug_return_int(true); +} + +static int +set_var_max_groups(const char *strval, const char *conf_file, + unsigned int lineno) +{ + int max_groups; + debug_decl(set_var_max_groups, SUDO_DEBUG_UTIL); + + max_groups = (int)sudo_strtonum(strval, 1, 1024, NULL); + if (max_groups <= 0) { + sudo_warnx(U_("invalid max groups \"%s\" in %s, line %u"), strval, + conf_file, lineno); + debug_return_int(false); + } + sudo_conf_data.settings.max_groups = max_groups; + debug_return_int(true); +} + +static int +set_var_probe_interfaces(const char *strval, const char *conf_file, + unsigned int lineno) +{ + int val = sudo_strtobool(strval); + debug_decl(set_var_probe_interfaces, SUDO_DEBUG_UTIL); + + if (val == -1) { + sudo_warnx(U_("invalid value for %s \"%s\" in %s, line %u"), + "probe_interfaces", strval, conf_file, lineno); + debug_return_int(false); + } + sudo_conf_data.settings.probe_interfaces = val; + debug_return_int(true); +} + +const char * +sudo_conf_askpass_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_ASKPASS].pval; +} + +const char * +sudo_conf_sesh_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_SESH].pval; +} + +const char * +sudo_conf_intercept_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_INTERCEPT].pval; +} + +const char * +sudo_conf_noexec_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_NOEXEC].pval; +} + +const char * +sudo_conf_plugin_dir_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_PLUGIN_DIR].pval; +} + +const char * +sudo_conf_devsearch_path_v1(void) +{ + return sudo_conf_data.path_table[SUDO_CONF_PATH_DEVSEARCH].pval; +} + +int +sudo_conf_group_source_v1(void) +{ + return sudo_conf_data.settings.group_source; +} + +int +sudo_conf_max_groups_v1(void) +{ + return sudo_conf_data.settings.max_groups; +} + +struct plugin_info_list * +sudo_conf_plugins_v1(void) +{ + return &sudo_conf_data.plugins; +} + +struct sudo_conf_debug_list * +sudo_conf_debugging_v1(void) +{ + return &sudo_conf_data.debugging; +} + +/* Return the debug files list for a program, or NULL if none. */ +struct sudo_conf_debug_file_list * +sudo_conf_debug_files_v1(const char *progname) +{ + struct sudo_conf_debug *debug_spec; + const char *progbase; + debug_decl(sudo_conf_debug_files, SUDO_DEBUG_UTIL); + + /* Determine basename if program is fully qualified (like for plugins). */ + progbase = progname[0] == '/' ? sudo_basename(progname) : progname; + + /* Convert sudoedit -> sudo. */ + if (strcmp(progbase, "sudoedit") == 0) + progbase = "sudo"; + + TAILQ_FOREACH(debug_spec, &sudo_conf_data.debugging, entries) { + const char *prog = progbase; + + if (debug_spec->progname[0] == '/') { + /* Match fully-qualified name, if possible. */ + prog = progname; + } + if (strcmp(debug_spec->progname, prog) == 0) + debug_return_ptr(&debug_spec->debug_files); + +#ifdef RTLD_MEMBER + /* Handle names like sudoers.a(sudoers.so) for AIX. */ + const char *cp = strchr(prog, '('); + const char *ep = strchr(prog, ')'); + if (cp != NULL && ep != NULL) { + /* Match on the program name without the member. */ + size_t len = (size_t)(cp - prog); + if (strncmp(debug_spec->progname, prog, len) == 0 && + debug_spec->progname[len] == '\0') { + debug_return_ptr(&debug_spec->debug_files); + } + + /* Match on the member itself. */ + cp++; + len = (size_t)(ep - cp); + if (strncmp(debug_spec->progname, cp, len) == 0 && + debug_spec->progname[len] == '\0') { + debug_return_ptr(&debug_spec->debug_files); + } + } +#endif + } + debug_return_ptr(NULL); +} + +bool +sudo_conf_developer_mode_v1(void) +{ + /* Developer mode was removed in sudo 1.9.13. */ + return false; +} + +bool +sudo_conf_disable_coredump_v1(void) +{ + return sudo_conf_data.settings.disable_coredump; +} + +bool +sudo_conf_probe_interfaces_v1(void) +{ + return sudo_conf_data.settings.probe_interfaces; +} + +/* + * Free dynamically allocated parts of sudo_conf_data and + * reset to initial values. + */ +static void +sudo_conf_init(int conf_types) +{ + struct sudo_conf_debug *debug_spec; + struct sudo_debug_file *debug_file; + struct plugin_info *plugin_info; + size_t i; + debug_decl(sudo_conf_init, SUDO_DEBUG_UTIL); + + /* Free and reset paths. */ + if (ISSET(conf_types, SUDO_CONF_PATHS)) { + const struct sudo_conf_path_table path_table[] = SUDO_CONF_PATH_INITIALIZER; + sudo_conf_clear_paths(); + memcpy(sudo_conf_data.path_table, path_table, + sizeof(sudo_conf_data.path_table)); + } + + /* Free and reset debug settings. */ + if (ISSET(conf_types, SUDO_CONF_DEBUG)) { + while ((debug_spec = TAILQ_FIRST(&sudo_conf_data.debugging))) { + TAILQ_REMOVE(&sudo_conf_data.debugging, debug_spec, entries); + free(debug_spec->progname); + while ((debug_file = TAILQ_FIRST(&debug_spec->debug_files))) { + TAILQ_REMOVE(&debug_spec->debug_files, debug_file, entries); + free(debug_file->debug_file); + free(debug_file->debug_flags); + free(debug_file); + } + free(debug_spec); + } + } + + /* Free and reset plugins. */ + if (ISSET(conf_types, SUDO_CONF_PLUGINS)) { + while ((plugin_info = TAILQ_FIRST(&sudo_conf_data.plugins))) { + TAILQ_REMOVE(&sudo_conf_data.plugins, plugin_info, entries); + free(plugin_info->symbol_name); + free(plugin_info->path); + if (plugin_info->options != NULL) { + for (i = 0; plugin_info->options[i] != NULL; i++) + free(plugin_info->options[i]); + free(plugin_info->options); + } + free(plugin_info); + } + } + + /* Set initial values. */ + if (ISSET(conf_types, SUDO_CONF_SETTINGS)) { + const struct sudo_conf_settings settings = SUDO_CONF_SETTINGS_INITIALIZER; + sudo_conf_data.settings = settings; + } + + debug_return; +} + +/* + * Read in /etc/sudo.conf and populates sudo_conf_data. + */ +int +sudo_conf_read_v1(const char *path, int conf_types) +{ + FILE *fp = NULL; + int fd = -1, ret = false; + char *prev_locale, *line = NULL; + unsigned int conf_lineno = 0; + char conf_file[PATH_MAX]; + size_t linesize = 0; + debug_decl(sudo_conf_read, SUDO_DEBUG_UTIL); + + if ((prev_locale = setlocale(LC_ALL, NULL)) == NULL) { + sudo_warn("setlocale(LC_ALL, NULL)"); + debug_return_int(-1); + } + if ((prev_locale = strdup(prev_locale)) == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_int(-1); + } + + /* Parse sudo.conf in the "C" locale. */ + if (prev_locale[0] != 'C' || prev_locale[1] != '\0') + setlocale(LC_ALL, "C"); + + if (path != NULL) { + /* Caller specified a single file, which must exist. */ + if (strlcpy(conf_file, path, sizeof(conf_file)) >= sizeof(conf_file)) { + errno = ENAMETOOLONG; + sudo_warn("%s", path); + goto done; + } + fd = open(conf_file, O_RDONLY); + if (fd == -1) { + sudo_warn(U_("unable to open %s"), conf_file); + goto done; + } + } else { +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + struct stat sb; + int error; + + /* _PATH_SUDO_CONF is a colon-separated list of path. */ + fd = sudo_open_conf_path(_PATH_SUDO_CONF, conf_file, + sizeof(conf_file), NULL); + error = sudo_secure_fd(fd, S_IFREG, ROOT_UID, (gid_t)-1, &sb); + switch (error) { + case SUDO_PATH_SECURE: + /* OK! */ + break; + case SUDO_PATH_MISSING: + /* Root should always be able to read sudo.conf. */ + if (errno != ENOENT && geteuid() == ROOT_UID) + sudo_warn(U_("unable to open %s"), conf_file); + goto done; + case SUDO_PATH_BAD_TYPE: + sudo_warnx(U_("%s is not a regular file"), conf_file); + goto done; + case SUDO_PATH_WRONG_OWNER: + sudo_warnx(U_("%s is owned by uid %u, should be %u"), + conf_file, (unsigned int) sb.st_uid, ROOT_UID); + goto done; + case SUDO_PATH_WORLD_WRITABLE: + sudo_warnx(U_("%s is world writable"), conf_file); + goto done; + case SUDO_PATH_GROUP_WRITABLE: + sudo_warnx(U_("%s is group writable"), conf_file); + goto done; + default: + sudo_warnx("%s: internal error, unexpected error %d", + __func__, error); + goto done; + } +#else + /* No default sudo.conf when fuzzing. */ + goto done; +#endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ + } + + if ((fp = fdopen(fd, "r")) == NULL) { + sudo_warn(U_("unable to open %s"), conf_file); + goto done; + } + + /* Reset to initial values if necessary. */ + if (sudo_conf_data.settings.updated) + sudo_conf_init(conf_types); + + while (sudo_parseln(&line, &linesize, &conf_lineno, fp, 0) != -1) { + struct sudo_conf_table *cur; + size_t i; + char *cp; + + if (*(cp = line) == '\0') + continue; /* empty line or comment */ + + for (i = 0, cur = sudo_conf_table; cur->name != NULL; i++, cur++) { + if (strncasecmp(cp, cur->name, cur->namelen) == 0 && + isblank((unsigned char)cp[cur->namelen])) { + if (ISSET(conf_types, (1 << i))) { + cp += cur->namelen; + while (isblank((unsigned char)*cp)) + cp++; + ret = cur->parser(cp, conf_file, conf_lineno); + switch (ret) { + case true: + sudo_conf_data.settings.updated = true; + break; + case false: + break; + default: + goto done; + } + } + break; + } + } + if (cur->name == NULL) { + sudo_debug_printf(SUDO_DEBUG_WARN, + "%s: %s:%u: unsupported entry: %s", __func__, conf_file, + conf_lineno, line); + } + } + ret = true; + +done: + if (fp != NULL) + fclose(fp); + else if (fd != -1) + close(fd); + free(line); + + /* Restore locale if needed. */ + if (prev_locale[0] != 'C' || prev_locale[1] != '\0') + setlocale(LC_ALL, prev_locale); + free(prev_locale); + debug_return_int(ret); +} + +/* + * Used by the sudo_conf regress test to clear compile-time path settings. + */ +void +sudo_conf_clear_paths_v1(void) +{ + struct sudo_conf_path_table *cur; + debug_decl(sudo_conf_clear_paths, SUDO_DEBUG_UTIL); + + for (cur = sudo_conf_data.path_table; cur->pname != NULL; cur++) { + if (cur->dynamic) + free((char *)cur->pval); + cur->pval = NULL; + cur->dynamic = false; + } +} diff --git a/lib/util/sudo_debug.c b/lib/util/sudo_debug.c new file mode 100644 index 0000000..47a7ba7 --- /dev/null +++ b/lib/util/sudo_debug.c @@ -0,0 +1,1184 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/uio.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_conf.h> +#include <sudo_debug.h> +#include <sudo_fatal.h> +#include <sudo_gettext.h> +#include <sudo_plugin.h> +#include <sudo_util.h> + +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION +/* + * The debug priorities and subsystems are currently hard-coded. + * In the future we might consider allowing plugins to register their + * own subsystems and provide direct access to the debugging API. + */ + +/* Note: this must match the order in sudo_debug.h */ +static const char *const sudo_debug_priorities[] = { + "crit", + "err", + "warn", + "notice", + "diag", + "info", + "trace", + "debug", + NULL +}; + +/* Note: this must match the order in sudo_debug.h */ +static const char *const sudo_debug_default_subsystems[] = { + "args", + "conv", + "edit", + "event", + "exec", + "hooks", + "main", + "netif", + "pcomm", + "plugin", + "pty", + "selinux", + "util", + "utmp", + NULL +}; + +#define NUM_DEF_SUBSYSTEMS (nitems(sudo_debug_default_subsystems) - 1) + +/* + * For multiple programs/plugins there is a per-program instance + * and one or more outputs (files). + */ +struct sudo_debug_output { + SLIST_ENTRY(sudo_debug_output) entries; + char *filename; + int *settings; + int fd; +}; +SLIST_HEAD(sudo_debug_output_list, sudo_debug_output); +struct sudo_debug_instance { + char *program; + const char *const *subsystems; + const unsigned int *subsystem_ids; + unsigned int max_subsystem; + unsigned int refcnt; + struct sudo_debug_output_list outputs; +}; + +/* Support up to 10 instances. */ +#define SUDO_DEBUG_INSTANCE_MAX 10 +static struct sudo_debug_instance *sudo_debug_instances[SUDO_DEBUG_INSTANCE_MAX]; +static int sudo_debug_last_instance = -1; + +static char sudo_debug_pidstr[STRLEN_MAX_SIGNED(int) + 3]; +static size_t sudo_debug_pidlen; + +#define round_nfds(_n) (((_n) + (4 * NBBY) - 1) & ~((4 * NBBY) - 1)) +static int sudo_debug_fds_size; +static unsigned char *sudo_debug_fds; +static int sudo_debug_max_fd = -1; + +/* Default instance index to use for common utility functions. */ +static int sudo_debug_active_instance = -1; + +/* + * Free the specified output structure. + */ +static void +sudo_debug_free_output(struct sudo_debug_output *output) +{ + free(output->filename); + free(output->settings); + if (output->fd != -1) + close(output->fd); + free(output); +} + +/* + * Create a new output file for the specified debug instance. + * Returns NULL if the file cannot be opened or memory cannot be allocated. + * XXX - check for duplicates + */ +static struct sudo_debug_output * +sudo_debug_new_output(struct sudo_debug_instance *instance, + struct sudo_debug_file *debug_file, int minfd) +{ + char *buf, *cp, *last, *subsys, *pri; + struct sudo_debug_output *output; + unsigned int j; + int i; + + /* Create new output for the instance. */ + /* XXX - reuse fd for existing filename? */ + output = calloc(1, sizeof(*output)); + if (output == NULL) + goto oom; + output->fd = -1; + output->settings = reallocarray(NULL, instance->max_subsystem + 1, + sizeof(int)); + if (output->settings == NULL) + goto oom; + output->filename = strdup(debug_file->debug_file); + if (output->filename == NULL) + goto oom; + + /* Init per-subsystems settings to -1 since 0 is a valid priority. */ + for (j = 0; j <= instance->max_subsystem; j++) + output->settings[j] = -1; + + /* Open debug file. */ + output->fd = open(output->filename, O_WRONLY|O_APPEND, S_IRUSR|S_IWUSR); + if (output->fd == -1) { + /* Create debug file as needed and set group ownership. */ + if (errno == ENOENT) { + output->fd = open(output->filename, O_WRONLY|O_APPEND|O_CREAT, + S_IRUSR|S_IWUSR); + } + if (output->fd == -1) { + sudo_warn_nodebug("%s", output->filename); + goto bad; + } + ignore_result(fchown(output->fd, (uid_t)-1, 0)); + } + if (output->fd < minfd) { + int newfd = fcntl(output->fd, F_DUPFD, minfd); + if (newfd == -1) { + sudo_warn_nodebug("%s", output->filename); + goto bad; + } + close(output->fd); + output->fd = newfd; + } + if (fcntl(output->fd, F_SETFD, FD_CLOEXEC) == -1) { + sudo_warn_nodebug("%s", output->filename); + goto bad; + } + if (sudo_debug_fds_size < output->fd) { + /* Bump fds size to the next multiple of 4 * NBBY. */ + const int old_size = sudo_debug_fds_size / NBBY; + const int new_size = round_nfds(output->fd + 1) / NBBY; + unsigned char *new_fds; + + new_fds = realloc(sudo_debug_fds, (size_t)new_size); + if (new_fds == NULL) + goto oom; + memset(new_fds + old_size, 0, (size_t)(new_size - old_size)); + sudo_debug_fds = new_fds; + sudo_debug_fds_size = new_size * NBBY; + } + sudo_setbit(sudo_debug_fds, output->fd); + if (output->fd > sudo_debug_max_fd) + sudo_debug_max_fd = output->fd; + + /* Parse Debug conf string. */ + buf = strdup(debug_file->debug_flags); + if (buf == NULL) + goto oom; + for ((cp = strtok_r(buf, ",", &last)); cp != NULL; (cp = strtok_r(NULL, ",", &last))) { + /* Should be in the form subsys@pri. */ + subsys = cp; + if ((pri = strchr(cp, '@')) == NULL) + continue; + *pri++ = '\0'; + + /* Look up priority and subsystem, fill in sudo_debug_settings[]. */ + for (i = 0; sudo_debug_priorities[i] != NULL; i++) { + if (strcasecmp(pri, sudo_debug_priorities[i]) == 0) { + for (j = 0; instance->subsystems[j] != NULL; j++) { + if (strcasecmp(subsys, "all") == 0) { + const unsigned int idx = instance->subsystem_ids ? + SUDO_DEBUG_SUBSYS(instance->subsystem_ids[j]) : j; + if (i > output->settings[idx]) + output->settings[idx] = i; + continue; + } + if (strcasecmp(subsys, instance->subsystems[j]) == 0) { + const unsigned int idx = instance->subsystem_ids ? + SUDO_DEBUG_SUBSYS(instance->subsystem_ids[j]) : j; + if (i > output->settings[idx]) + output->settings[idx] = i; + break; + } + } + break; + } + } + } + free(buf); + + return output; +oom: + // -V:sudo_warn_nodebug:575, 618 + sudo_warn_nodebug(NULL); +bad: + if (output != NULL) + sudo_debug_free_output(output); + return NULL; +} + +/* + * Register a program/plugin with the debug framework, + * parses settings string from sudo.conf and opens debug_files. + * If subsystem names are specified they override the default values. + * NOTE: subsystems must not be freed by caller unless deregistered. + * Sets the active instance to the newly registered instance. + * Returns instance index on success, SUDO_DEBUG_INSTANCE_INITIALIZER + * if no debug files are specified and SUDO_DEBUG_INSTANCE_ERROR + * on error. + */ +int +sudo_debug_register_v2(const char *program, const char *const subsystems[], + unsigned int ids[], struct sudo_conf_debug_file_list *debug_files, + int minfd) +{ + struct sudo_debug_instance *instance = NULL; + struct sudo_debug_output *output; + struct sudo_debug_file *debug_file; + int idx, free_idx = -1; + debug_decl_func(sudo_debug_register); + + if (debug_files == NULL) + return SUDO_DEBUG_INSTANCE_INITIALIZER; + + /* Use default subsystem names if none are provided. */ + if (subsystems == NULL) { + subsystems = sudo_debug_default_subsystems; + } else if (ids == NULL) { + /* If subsystems are specified we must have ids[] too. */ + return SUDO_DEBUG_INSTANCE_ERROR; + } + + /* Search for existing instance. */ + for (idx = 0; idx <= sudo_debug_last_instance; idx++) { + if (sudo_debug_instances[idx] == NULL) { + free_idx = idx; + continue; + } + if (sudo_debug_instances[idx]->subsystems == subsystems && + strcmp(sudo_debug_instances[idx]->program, program) == 0) { + instance = sudo_debug_instances[idx]; + break; + } + } + + if (instance == NULL) { + size_t i; + unsigned int j, max_id = NUM_DEF_SUBSYSTEMS - 1; + + /* Fill in subsystem name -> id mapping as needed. */ + if (ids != NULL) { + for (i = 0; subsystems[i] != NULL; i++) { + /* Check default subsystems. */ + for (j = 0; j < NUM_DEF_SUBSYSTEMS; j++) { + if (strcmp(subsystems[i], sudo_debug_default_subsystems[j]) == 0) + break; + } + if (j == NUM_DEF_SUBSYSTEMS) + j = ++max_id; + ids[i] = ((j + 1) << 6); + } + } + + if (free_idx != -1) + idx = free_idx; + if (idx == SUDO_DEBUG_INSTANCE_MAX) { + /* XXX - realloc? */ + sudo_warnx_nodebug("too many debug instances (max %d)", SUDO_DEBUG_INSTANCE_MAX); + return SUDO_DEBUG_INSTANCE_ERROR; + } + if (idx != sudo_debug_last_instance + 1 && idx != free_idx) { + sudo_warnx_nodebug("%s: instance number mismatch: expected %d or %d, got %d", __func__, sudo_debug_last_instance + 1, free_idx, idx); + return SUDO_DEBUG_INSTANCE_ERROR; + } + if ((instance = malloc(sizeof(*instance))) == NULL) + return SUDO_DEBUG_INSTANCE_ERROR; + if ((instance->program = strdup(program)) == NULL) { + free(instance); + return SUDO_DEBUG_INSTANCE_ERROR; + } + instance->subsystems = subsystems; + instance->subsystem_ids = ids; + instance->max_subsystem = max_id; + instance->refcnt = 1; + SLIST_INIT(&instance->outputs); + sudo_debug_instances[idx] = instance; + if (idx != free_idx) + sudo_debug_last_instance++; + } else { + /* Check for matching instance but different ids[]. */ + if (ids != NULL && instance->subsystem_ids != ids) { + size_t i; + + for (i = 0; subsystems[i] != NULL; i++) + ids[i] = instance->subsystem_ids[i]; + } + instance->refcnt++; + } + + TAILQ_FOREACH(debug_file, debug_files, entries) { + output = sudo_debug_new_output(instance, debug_file, minfd); + if (output != NULL) + SLIST_INSERT_HEAD(&instance->outputs, output, entries); + } + + /* Set active instance. */ + sudo_debug_active_instance = idx; + + /* Stash the pid string so we only have to format it once. */ + if (sudo_debug_pidlen == 0) { + (void)snprintf(sudo_debug_pidstr, sizeof(sudo_debug_pidstr), "[%d] ", + (int)getpid()); + sudo_debug_pidlen = strlen(sudo_debug_pidstr); + } + + return idx; +} + +int +sudo_debug_register_v1(const char *program, const char *const subsystems[], + unsigned int ids[], struct sudo_conf_debug_file_list *debug_files) +{ + return sudo_debug_register_v2(program, subsystems, ids, debug_files, -1); +} + +/* + * De-register the specified instance from the debug subsystem + * and free up any associated data structures. + * Returns the number of remaining references for the instance or -1 on error. + */ +int +sudo_debug_deregister_v1(int idx) +{ + struct sudo_debug_instance *instance; + struct sudo_debug_output *output, *next; + debug_decl_func(sudo_debug_deregister); + + if (idx < 0 || idx > sudo_debug_last_instance) { + sudo_warnx_nodebug("%s: invalid instance ID %d, max %d", + __func__, idx, sudo_debug_last_instance); + return -1; + } + /* Reset active instance as needed. */ + if (sudo_debug_active_instance == idx) + sudo_debug_active_instance = -1; + + instance = sudo_debug_instances[idx]; + if (instance == NULL) + return -1; /* already deregistered */ + + if (--instance->refcnt != 0) + return (int)instance->refcnt; /* ref held by other caller */ + + /* Free up instance data, note that subsystems[] is owned by caller. */ + sudo_debug_instances[idx] = NULL; + SLIST_FOREACH_SAFE(output, &instance->outputs, entries, next) { + close(output->fd); + free(output->filename); + free(output->settings); + free(output); + } + free(instance->program); + free(instance); + + if (idx == sudo_debug_last_instance) + sudo_debug_last_instance--; + + return 0; +} + +/* + * Parse the "filename flags,..." debug_flags entry from sudo.conf + * and insert a new sudo_debug_file struct into the list. + * Returns 0 on success, 1 on parse error or -1 on malloc failure. + */ +int +sudo_debug_parse_flags_v1(struct sudo_conf_debug_file_list *debug_files, + const char *entry) +{ + struct sudo_debug_file *debug_file; + const char *filename, *flags; + size_t namelen; + + /* Only process new-style debug flags: filename flags,... */ + filename = entry; + if (*filename != '/' || (flags = strpbrk(filename, " \t")) == NULL) + return 1; + namelen = (size_t)(flags - filename); + while (isblank((unsigned char)*flags)) + flags++; + if (*flags != '\0') { + if ((debug_file = calloc(1, sizeof(*debug_file))) == NULL) + goto oom; + if ((debug_file->debug_file = strndup(filename, namelen)) == NULL) + goto oom; + if ((debug_file->debug_flags = strdup(flags)) == NULL) + goto oom; + TAILQ_INSERT_TAIL(debug_files, debug_file, entries); + } + return 0; +oom: + if (debug_file != NULL) { + free(debug_file->debug_file); + free(debug_file->debug_flags); + free(debug_file); + } + return -1; +} + +int +sudo_debug_get_instance_v1(const char *program) +{ + int idx; + + for (idx = 0; idx <= sudo_debug_last_instance; idx++) { + if (sudo_debug_instances[idx] == NULL) + continue; + if (strcmp(sudo_debug_instances[idx]->program, program) == 0) + return idx; + } + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +pid_t +sudo_debug_fork_v1(void) +{ + pid_t pid; + + if ((pid = fork()) == 0) { + (void)snprintf(sudo_debug_pidstr, sizeof(sudo_debug_pidstr), "[%d] ", + (int)getpid()); + sudo_debug_pidlen = strlen(sudo_debug_pidstr); + } + + return pid; +} + +/* Functions versions of sudo_debug_enter* for backwards compatibility. */ +void +sudo_debug_enter_v1(const char *func, const char *file, int line, + unsigned int subsys) +{ + sudo_debug_enter(func, file, line, subsys); +} + +void +sudo_debug_exit_v1(const char *func, const char *file, int line, + unsigned int subsys) +{ + sudo_debug_exit(func, file, line, subsys); +} + +void +sudo_debug_exit_int_v1(const char *func, const char *file, int line, + unsigned int subsys, int ret) +{ + sudo_debug_exit_int(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_uint_v1(const char *func, const char *file, int line, + unsigned int subsys, unsigned int ret) +{ + sudo_debug_exit_uint(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_long_v1(const char *func, const char *file, int line, + unsigned int subsys, long ret) +{ + sudo_debug_exit_long(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_id_t_v1(const char *func, const char *file, int line, + unsigned int subsys, id_t ret) +{ + sudo_debug_exit_id_t(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_size_t_v1(const char *func, const char *file, int line, + unsigned int subsys, size_t ret) +{ + sudo_debug_exit_size_t(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_ssize_t_v1(const char *func, const char *file, int line, + unsigned int subsys, ssize_t ret) +{ + sudo_debug_exit_ssize_t(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_time_t_v1(const char *func, const char *file, int line, + unsigned int subsys, time_t ret) +{ + sudo_debug_exit_time_t(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_mode_t_v1(const char *func, const char *file, int line, + unsigned int subsys, mode_t ret) +{ + sudo_debug_exit_mode_t(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_bool_v1(const char *func, const char *file, int line, + unsigned int subsys, bool ret) +{ + sudo_debug_exit_bool(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_str_v1(const char *func, const char *file, int line, + unsigned int subsys, const char *ret) +{ + sudo_debug_exit_str(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_str_masked_v1(const char *func, const char *file, int line, + unsigned int subsys, const char *ret) +{ + sudo_debug_exit_str_masked(func, file, line, subsys, ret); +} + +void +sudo_debug_exit_ptr_v1(const char *func, const char *file, int line, + unsigned int subsys, const void *ret) +{ + sudo_debug_exit_ptr(func, file, line, subsys, ret); +} + +void +sudo_debug_write2_v1(int fd, const char *func, const char *file, int lineno, + const char *str, unsigned int len, int errnum) +{ + char numbuf[(((sizeof(int) * 8) + 2) / 3) + 2]; + char timebuf[64]; + struct timeval tv; + struct iovec iov[12]; + int iovcnt = 3; + + /* Cannot use sudo_gettime_real() here since it calls sudo_debug. */ + timebuf[0] = '\0'; + if (gettimeofday(&tv, NULL) != -1) { + time_t now = tv.tv_sec; + struct tm tm; + size_t tlen; + if (localtime_r(&now, &tm) != NULL) { + timebuf[sizeof(timebuf) - 1] = '\0'; + tlen = strftime(timebuf, sizeof(timebuf), "%b %e %H:%M:%S", &tm); + if (tlen == 0 || timebuf[sizeof(timebuf) - 1] != '\0') { + /* contents are undefined on error */ + timebuf[0] = '\0'; + } else { + (void)snprintf(timebuf + tlen, sizeof(timebuf) - tlen, + ".%03d ", (int)tv.tv_usec / 1000); + } + } + } + iov[0].iov_base = timebuf; + iov[0].iov_len = strlen(timebuf); + + /* Prepend program name and pid with a trailing space. */ + iov[1].iov_base = (char *)getprogname(); + iov[1].iov_len = strlen(iov[1].iov_base); + iov[2].iov_base = sudo_debug_pidstr; + iov[2].iov_len = sudo_debug_pidlen; + + /* Add string, trimming any trailing newlines. */ + while (len > 0 && str[len - 1] == '\n') + len--; + if (len != 0) { + iov[iovcnt].iov_base = (char *)str; + iov[iovcnt].iov_len = len; + iovcnt++; + } + + /* Append error string if errno is specified. */ + if (errnum) { + if (len != 0) { + iov[iovcnt].iov_base = (char *)": "; + iov[iovcnt].iov_len = 2; + iovcnt++; + } + iov[iovcnt].iov_base = strerror(errnum); + iov[iovcnt].iov_len = strlen(iov[iovcnt].iov_base); + iovcnt++; + } + + /* If function, file and lineno are specified, append them. */ + if (func != NULL && file != NULL && lineno != 0) { + iov[iovcnt].iov_base = (char *)" @ "; + iov[iovcnt].iov_len = 3; + iovcnt++; + + iov[iovcnt].iov_base = (char *)func; + iov[iovcnt].iov_len = strlen(func); + iovcnt++; + + iov[iovcnt].iov_base = (char *)"() "; + iov[iovcnt].iov_len = 3; + iovcnt++; + + iov[iovcnt].iov_base = (char *)file; + iov[iovcnt].iov_len = strlen(file); + iovcnt++; + + (void)snprintf(numbuf, sizeof(numbuf), ":%d", lineno); + iov[iovcnt].iov_base = numbuf; + iov[iovcnt].iov_len = strlen(numbuf); + iovcnt++; + } + + /* Append newline. */ + iov[iovcnt].iov_base = (char *)"\n"; + iov[iovcnt].iov_len = 1; + iovcnt++; + + /* Write message in a single syscall */ + ignore_result(writev(fd, iov, iovcnt)); +} + +bool +sudo_debug_needed_v1(unsigned int level) +{ + unsigned int subsys; + int pri; + struct sudo_debug_instance *instance; + struct sudo_debug_output *output; + bool result = false; + + if (sudo_debug_active_instance == -1) + goto out; + + /* Extract priority and subsystem from level. */ + pri = (int)SUDO_DEBUG_PRI(level); + subsys = SUDO_DEBUG_SUBSYS(level); + + if (sudo_debug_active_instance > sudo_debug_last_instance) + goto out; + + instance = sudo_debug_instances[sudo_debug_active_instance]; + if (instance == NULL) + goto out; + + if (subsys <= instance->max_subsystem) { + SLIST_FOREACH(output, &instance->outputs, entries) { + if (output->settings[subsys] >= pri) { + result = true; + break; + } + } + } +out: + return result; +} + +void +sudo_debug_vprintf2_v1(const char *func, const char *file, int lineno, + unsigned int level, const char * restrict fmt, va_list ap) +{ + int pri, saved_errno = errno; + unsigned int subsys; + char static_buf[1024], *buf = static_buf; + struct sudo_debug_instance *instance; + struct sudo_debug_output *output; + debug_decl_func(sudo_debug_vprintf2); + + if (sudo_debug_active_instance == -1) + goto out; + + /* Extract priority and subsystem from level. */ + pri = (int)SUDO_DEBUG_PRI(level); + subsys = SUDO_DEBUG_SUBSYS(level); + + /* Disable extra info if SUDO_DEBUG_LINENO is not enabled. */ + if (!ISSET(level, SUDO_DEBUG_LINENO)) { + func = NULL; + file = NULL; + lineno = 0; + } + + /* Find matching instance. */ + if (sudo_debug_active_instance > sudo_debug_last_instance) { + sudo_warnx_nodebug("%s: invalid instance ID %d, max %d", + __func__, sudo_debug_active_instance, sudo_debug_last_instance); + goto out; + } + instance = sudo_debug_instances[sudo_debug_active_instance]; + if (instance == NULL) { + sudo_warnx_nodebug("%s: unregistered instance index %d", __func__, + sudo_debug_active_instance); + goto out; + } + + SLIST_FOREACH(output, &instance->outputs, entries) { + /* Make sure we want debug info at this level. */ + if (subsys <= instance->max_subsystem && output->settings[subsys] >= pri) { + int errcode, buflen = 0; + va_list ap2; + + if (fmt != NULL) { + /* Operate on a copy of ap to support multiple outputs. */ + va_copy(ap2, ap); + buflen = vsnprintf(static_buf, sizeof(static_buf), fmt, ap2); + va_end(ap2); + if (buflen < 0) { + sudo_warnx_nodebug("%s: invalid format string \"%s\"", + __func__, fmt); + buflen = 0; + } else if (buflen >= ssizeof(static_buf)) { + /* Not enough room in static buf, allocate dynamically. */ + va_copy(ap2, ap); + buflen = vasprintf(&buf, fmt, ap2); + if (buflen == -1) { + buf = static_buf; + buflen = (int)strlen(buf); + } + va_end(ap2); + } + } + errcode = ISSET(level, SUDO_DEBUG_ERRNO) ? saved_errno : 0; + sudo_debug_write2(output->fd, func, file, lineno, buf, + (unsigned int)buflen, errcode); + if (buf != static_buf) { + free(buf); + buf = static_buf; + } + } + } +out: + errno = saved_errno; +} + +#ifdef NO_VARIADIC_MACROS +void +sudo_debug_printf_nvm_v1(int pri, const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + sudo_debug_vprintf2(NULL, NULL, 0, pri, fmt, ap); + va_end(ap); +} +#endif /* NO_VARIADIC_MACROS */ + +void +sudo_debug_printf2_v1(const char *func, const char *file, int lineno, + unsigned int level, const char * restrict fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + sudo_debug_vprintf2(func, file, lineno, level, fmt, ap); + va_end(ap); +} + +#define EXEC_PREFIX "exec " + +void +sudo_debug_execve2_v1(unsigned int level, const char *path, char *const argv[], + char *const envp[]) +{ + int pri, saved_errno = errno; + unsigned int subsys; + struct sudo_debug_instance *instance; + struct sudo_debug_output *output; + char * const *av; + char *cp, static_buf[4096], *buf = static_buf; + size_t buflen, plen; + debug_decl_func(sudo_debug_execve2); + + if (sudo_debug_active_instance == -1 || path == NULL) + goto out; + + /* Extract priority and subsystem from level. */ + pri = (int)SUDO_DEBUG_PRI(level); + subsys = SUDO_DEBUG_SUBSYS(level); + + /* Find matching instance. */ + if (sudo_debug_active_instance > sudo_debug_last_instance) { + sudo_warnx_nodebug("%s: invalid instance ID %d, max %d", + __func__, sudo_debug_active_instance, sudo_debug_last_instance); + goto out; + } + instance = sudo_debug_instances[sudo_debug_active_instance]; + if (instance == NULL) { + sudo_warnx_nodebug("%s: unregistered instance index %d", __func__, + sudo_debug_active_instance); + goto out; + } + if (subsys > instance->max_subsystem) + goto out; + + SLIST_FOREACH(output, &instance->outputs, entries) { + bool log_envp = false; + + /* Make sure we want debug info at this level. */ + if (output->settings[subsys] < pri) + continue; + + /* Log envp for debug level "debug". */ + if (output->settings[subsys] >= SUDO_DEBUG_DEBUG - 1 && envp != NULL) + log_envp = true; + + /* Alloc and build up buffer. */ + plen = strlen(path); + buflen = sizeof(EXEC_PREFIX) -1 + plen; + if (argv != NULL && argv[0] != NULL) { + buflen += sizeof(" []") - 1; + for (av = argv; *av; av++) + buflen += strlen(*av) + 1; + buflen--; + } + if (log_envp && envp[0] != NULL) { + buflen += sizeof(" []") - 1; + for (av = envp; *av; av++) + buflen += strlen(*av) + 1; + buflen--; + } + if (buflen >= sizeof(static_buf)) { + buf = malloc(buflen + 1); + if (buf == NULL) + goto out; + } + + /* Copy prefix and command. */ + memcpy(buf, EXEC_PREFIX, sizeof(EXEC_PREFIX) - 1); + cp = buf + sizeof(EXEC_PREFIX) - 1; + memcpy(cp, path, plen); + cp += plen; + + /* Copy argv. */ + if (argv != NULL && argv[0] != NULL) { + *cp++ = ' '; + *cp++ = '['; + for (av = argv; *av; av++) { + size_t avlen = strlen(*av); + memcpy(cp, *av, avlen); + cp += avlen; + *cp++ = ' '; + } + cp[-1] = ']'; + } + + if (log_envp && envp[0] != NULL) { + *cp++ = ' '; + *cp++ = '['; + for (av = envp; *av; av++) { + size_t avlen = strlen(*av); + memcpy(cp, *av, avlen); + cp += avlen; + *cp++ = ' '; + } + cp[-1] = ']'; + } + + *cp = '\0'; + + sudo_debug_write(output->fd, buf, (unsigned int)buflen, 0); + if (buf != static_buf) { + free(buf); + buf = static_buf; + } + } +out: + errno = saved_errno; +} + +/* + * Returns the active instance or SUDO_DEBUG_INSTANCE_INITIALIZER + * if no instance is active. + */ +int +sudo_debug_get_active_instance_v1(void) +{ + return sudo_debug_active_instance; +} + +/* + * Sets a new active instance, returning the old one. + * Note that the old instance may be SUDO_DEBUG_INSTANCE_INITIALIZER + * if this is the only instance. + */ +int +sudo_debug_set_active_instance_v1(int idx) +{ + const int old_idx = sudo_debug_active_instance; + + if (idx >= -1 && idx <= sudo_debug_last_instance) + sudo_debug_active_instance = idx; + return old_idx; +} + +/* + * Replace the ofd with nfd in all outputs if present. + * Also updates sudo_debug_fds. + */ +void +sudo_debug_update_fd_v1(int ofd, int nfd) +{ + int idx; + + if (ofd <= sudo_debug_max_fd && sudo_isset(sudo_debug_fds, ofd)) { + /* Update sudo_debug_fds. */ + sudo_clrbit(sudo_debug_fds, ofd); + sudo_setbit(sudo_debug_fds, nfd); + + /* Update the outputs. */ + for (idx = 0; idx <= sudo_debug_last_instance; idx++) { + struct sudo_debug_instance *instance; + struct sudo_debug_output *output; + + instance = sudo_debug_instances[idx]; + if (instance == NULL) + continue; + SLIST_FOREACH(output, &instance->outputs, entries) { + if (output->fd == ofd) + output->fd = nfd; + } + } + } +} + +/* + * Returns the highest debug output fd or -1 if no debug files open. + * Fills in fds with the value of sudo_debug_fds. + */ +int +sudo_debug_get_fds_v1(unsigned char **fds) +{ + *fds = sudo_debug_fds; + return sudo_debug_max_fd; +} +#else /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ +int +sudo_debug_register_v2(const char *program, const char *const subsystems[], + unsigned int ids[], struct sudo_conf_debug_file_list *debug_files, + int minfd) +{ + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +int +sudo_debug_register_v1(const char *program, const char *const subsystems[], + unsigned int ids[], struct sudo_conf_debug_file_list *debug_files) +{ + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +int +sudo_debug_deregister_v1(int idx) +{ + return -1; +} + +int +sudo_debug_parse_flags_v1(struct sudo_conf_debug_file_list *debug_files, + const char *entry) +{ + return 0; +} + +int +sudo_debug_get_instance_v1(const char *program) +{ + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +pid_t +sudo_debug_fork_v1(void) +{ + return fork(); +} + +void +sudo_debug_enter_v1(const char *func, const char *file, int line, + unsigned int subsys) +{ +} + +void +sudo_debug_exit_v1(const char *func, const char *file, int line, + unsigned int subsys) +{ +} + +void +sudo_debug_exit_int_v1(const char *func, const char *file, int line, + unsigned int subsys, int ret) +{ +} + +void +sudo_debug_exit_uint_v1(const char *func, const char *file, int line, + unsigned int subsys, unsigned int ret) +{ +} + +void +sudo_debug_exit_long_v1(const char *func, const char *file, int line, + unsigned int subsys, long ret) +{ +} + +void +sudo_debug_exit_id_t_v1(const char *func, const char *file, int line, + unsigned int subsys, id_t ret) +{ +} + +void +sudo_debug_exit_size_t_v1(const char *func, const char *file, int line, + unsigned int subsys, size_t ret) +{ +} + +void +sudo_debug_exit_ssize_t_v1(const char *func, const char *file, int line, + unsigned int subsys, ssize_t ret) +{ +} + +void +sudo_debug_exit_time_t_v1(const char *func, const char *file, int line, + unsigned int subsys, time_t ret) +{ +} + +void +sudo_debug_exit_mode_t_v1(const char *func, const char *file, int line, + unsigned int subsys, mode_t ret) +{ +} + +void +sudo_debug_exit_bool_v1(const char *func, const char *file, int line, + unsigned int subsys, bool ret) +{ +} + +void +sudo_debug_exit_str_v1(const char *func, const char *file, int line, + unsigned int subsys, const char *ret) +{ +} + +void +sudo_debug_exit_str_masked_v1(const char *func, const char *file, int line, + unsigned int subsys, const char *ret) +{ +} + +void +sudo_debug_exit_ptr_v1(const char *func, const char *file, int line, + unsigned int subsys, const void *ret) +{ +} + +void +sudo_debug_write2_v1(int fd, const char *func, const char *file, int lineno, + const char *str, unsigned int len, int errnum) +{ +} + +bool +sudo_debug_needed_v1(unsigned int level) +{ + return false; +} + +void +sudo_debug_vprintf2_v1(const char *func, const char *file, int lineno, + unsigned int level, const char * restrict fmt, va_list ap) +{ +} + +#ifdef NO_VARIADIC_MACROS +void +sudo_debug_printf_nvm_v1(int pri, const char * restrict fmt, ...) +{ +} +#endif /* NO_VARIADIC_MACROS */ + +void +sudo_debug_printf2_v1(const char *func, const char *file, int lineno, + unsigned int level, const char * restrict fmt, ...) +{ +} + +void +sudo_debug_execve2_v1(unsigned int level, const char *path, char *const argv[], + char *const envp[]) +{ +} + +int +sudo_debug_get_active_instance_v1(void) +{ + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +int +sudo_debug_set_active_instance_v1(int idx) +{ + return SUDO_DEBUG_INSTANCE_INITIALIZER; +} + +void +sudo_debug_update_fd_v1(int ofd, int nfd) +{ +} + +int +sudo_debug_get_fds_v1(unsigned char **fds) +{ + return -1; +} +#endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ diff --git a/lib/util/sudo_dso.c b/lib/util/sudo_dso.c new file mode 100644 index 0000000..0124b20 --- /dev/null +++ b/lib/util/sudo_dso.c @@ -0,0 +1,432 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010, 2012-2014, 2021-2022 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifdef __linux__ +# include <sys/stat.h> +# include <sys/utsname.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#if defined(HAVE_SHL_LOAD) +# include <dl.h> +#elif defined(HAVE_DLOPEN) +# include <dlfcn.h> +#endif +#include <errno.h> + +#include <sudo_compat.h> +#include <sudo_dso.h> +#include <sudo_util.h> + +/* + * Pointer for statically compiled symbols. + */ +static struct sudo_preload_table *preload_table; + +void +sudo_dso_preload_table_v1(struct sudo_preload_table *table) +{ + preload_table = table; +} + +#if defined(HAVE_SHL_LOAD) + +# ifndef DYNAMIC_PATH +# define DYNAMIC_PATH 0 +# endif + +void * +sudo_dso_load_v1(const char *path, int mode) +{ + struct sudo_preload_table *pt; + int flags = DYNAMIC_PATH | BIND_VERBOSE; + + if (mode == 0) + mode = SUDO_DSO_LAZY; /* default behavior */ + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->path != NULL && strcmp(path, pt->path) == 0) + return pt->handle; + } + } + + /* We don't support SUDO_DSO_GLOBAL or SUDO_DSO_LOCAL yet. */ + if (ISSET(mode, SUDO_DSO_LAZY)) + flags |= BIND_DEFERRED; + if (ISSET(mode, SUDO_DSO_NOW)) + flags |= BIND_IMMEDIATE; + + return (void *)shl_load(path, flags, 0L); +} + +int +sudo_dso_unload_v1(void *handle) +{ + struct sudo_preload_table *pt; + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) + return 0; + } + } + + return shl_unload((shl_t)handle); +} + +void * +sudo_dso_findsym_v1(void *vhandle, const char *symbol) +{ + struct sudo_preload_table *pt; + shl_t handle = vhandle; + void *value = NULL; + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) { + struct sudo_preload_symbol *sym; + for (sym = pt->symbols; sym->name != NULL; sym++) { + if (strcmp(sym->name, symbol) == 0) + return sym->addr; + } + errno = ENOENT; + return NULL; + } + } + } + + /* + * Note that the behavior of of SUDO_DSO_NEXT and SUDO_DSO_SELF + * differs from most implementations when called from + * a shared library. + */ + if (vhandle == SUDO_DSO_NEXT) { + /* Iterate over all shared libs looking for symbol. */ + shl_t myhandle = PROG_HANDLE; + struct shl_descriptor *desc; + int idx = 0; + + /* Find program's real handle. */ + if (shl_gethandle(PROG_HANDLE, &desc) == 0) + myhandle = desc->handle; + while (shl_get(idx++, &desc) == 0) { + if (desc->handle == myhandle) + continue; + if (shl_findsym(&desc->handle, symbol, TYPE_UNDEFINED, &value) == 0) + break; + } + } else { + if (vhandle == SUDO_DSO_DEFAULT) + handle = NULL; + else if (vhandle == SUDO_DSO_SELF) + handle = PROG_HANDLE; + (void)shl_findsym(&handle, symbol, TYPE_UNDEFINED, &value); + } + + return value; +} + +char * +sudo_dso_strerror_v1(void) +{ + return strerror(errno); +} + +#elif defined(HAVE_DLOPEN) + +# ifndef RTLD_GLOBAL +# define RTLD_GLOBAL 0 +# endif + +/* Default member names for AIX when dlopen()ing an ar (.a) file. */ +# ifdef RTLD_MEMBER +# ifdef __LP64__ +# define SUDO_DSO_MEMBER "shr_64.o" +# else +# define SUDO_DSO_MEMBER "shr.o" +# endif +# endif + +# if defined(__linux__) +/* + * On Linux systems that use multi-arch, the actual DSO may be + * in a machine-specific subdirectory. If the specified path + * contains /lib/ or /libexec/, insert a multi-arch directory + * after it. + */ +static void * +dlopen_multi_arch(const char *path, int flags) +{ + void *ret = NULL; + struct stat sb; + char *newpath; + + /* Only try multi-arch if the original path does not exist. */ + if (stat(path, &sb) == -1 && errno == ENOENT) { + newpath = sudo_stat_multiarch(path, &sb); + if (newpath != NULL) { + ret = dlopen(newpath, flags); + free(newpath); + } + } + return ret; +} +# else +static void * +dlopen_multi_arch(const char *path, int flags) +{ + return NULL; +} +# endif /* __linux__ */ + +void * +sudo_dso_load_v1(const char *path, int mode) +{ + struct sudo_preload_table *pt; + int flags = 0; + void *ret; +# ifdef RTLD_MEMBER + char *cp; + size_t pathlen; +# endif + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->path != NULL && strcmp(path, pt->path) == 0) + return pt->handle; + } + } + + /* Map SUDO_DSO_* -> RTLD_* */ + if (ISSET(mode, SUDO_DSO_LAZY)) + SET(flags, RTLD_LAZY); + if (ISSET(mode, SUDO_DSO_NOW)) + SET(flags, RTLD_NOW); + if (ISSET(mode, SUDO_DSO_GLOBAL)) + SET(flags, RTLD_GLOBAL); + if (ISSET(mode, SUDO_DSO_LOCAL)) + SET(flags, RTLD_LOCAL); + +# ifdef RTLD_MEMBER + /* Check for AIX shlib.a(member) syntax and dlopen() with RTLD_MEMBER. */ + pathlen = strlen(path); + if (pathlen > 2 && path[pathlen - 1] == ')') { + cp = strrchr(path, '('); + if (cp != NULL && cp > path + 2 && cp[-2] == '.' && cp[-1] == 'a') { + /* Only for archive files (e.g. sudoers.a). */ + SET(flags, RTLD_MEMBER); + } + } +# endif /* RTLD_MEMBER */ + ret = dlopen(path, flags); +# if defined(RTLD_MEMBER) + /* Special fallback handling for AIX shared objects. */ + if (ret == NULL && !ISSET(flags, RTLD_MEMBER)) { + switch (errno) { + case ENOEXEC: + /* + * If we try to dlopen() an AIX .a file without an explicit member + * it will fail with ENOEXEC. Try again using the default member. + */ + if (pathlen > 2 && strcmp(&path[pathlen - 2], ".a") == 0) { + int len = asprintf(&cp, "%s(%s)", path, SUDO_DSO_MEMBER); + if (len != -1) { + ret = dlopen(cp, flags|RTLD_MEMBER); + free(cp); + } + if (ret == NULL) { + /* Retry with the original path to get the correct error. */ + ret = dlopen(path, flags); + } + } + break; + case ENOENT: + /* + * If the .so file is missing but the .a file exists, try to + * dlopen() the AIX .a file using the .so name as the member. + * This is for compatibility with versions of sudo that use + * SVR4-style shared libs, not AIX-style shared libs. + */ + if (pathlen > 3 && strcmp(&path[pathlen - 3], ".so") == 0) { + int len = asprintf(&cp, "%.*s.a(%s)", (int)(pathlen - 3), + path, sudo_basename(path)); + if (len != -1) { + ret = dlopen(cp, flags|RTLD_MEMBER); + free(cp); + } + if (ret == NULL) { + /* Retry with the original path to get the correct error. */ + ret = dlopen(path, flags); + } + } + break; + } + } +# endif /* RTLD_MEMBER */ + /* On failure, try again with a multi-arch path where possible. */ + if (ret == NULL) + ret = dlopen_multi_arch(path, flags); // -V1048 + + return ret; +} + +int +sudo_dso_unload_v1(void *handle) +{ + struct sudo_preload_table *pt; + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) + return 0; + } + } + + return dlclose(handle); +} + +void * +sudo_dso_findsym_v1(void *handle, const char *symbol) +{ + struct sudo_preload_table *pt; + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) { + struct sudo_preload_symbol *sym; + for (sym = pt->symbols; sym->name != NULL; sym++) { + if (strcmp(sym->name, symbol) == 0) + return sym->addr; + } + errno = ENOENT; + return NULL; + } + } + } + + /* + * Not all implementations support the special handles. + */ + if (handle == SUDO_DSO_NEXT) { +# ifdef RTLD_NEXT + handle = RTLD_NEXT; +# else + errno = ENOENT; + return NULL; +# endif + } else if (handle == SUDO_DSO_DEFAULT) { +# ifdef RTLD_DEFAULT + handle = RTLD_DEFAULT; +# else + errno = ENOENT; + return NULL; +# endif + } else if (handle == SUDO_DSO_SELF) { +# ifdef RTLD_SELF + handle = RTLD_SELF; +# else + errno = ENOENT; + return NULL; +# endif + } + + return dlsym(handle, symbol); +} + +char * +sudo_dso_strerror_v1(void) +{ + return dlerror(); +} + +#else /* !HAVE_SHL_LOAD && !HAVE_DLOPEN */ + +/* + * Emulate dlopen() using a static list of symbols compiled into sudo. + */ +void * +sudo_dso_load_v1(const char *path, int mode) +{ + struct sudo_preload_table *pt; + + /* Check prelinked symbols first. */ + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->path != NULL && strcmp(path, pt->path) == 0) + return pt->handle; + } + } + return NULL; +} + +int +sudo_dso_unload_v1(void *handle) +{ + struct sudo_preload_table *pt; + + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) + return 0; + } + } + return -1; +} + +void * +sudo_dso_findsym_v1(void *handle, const char *symbol) +{ + struct sudo_preload_table *pt; + + if (preload_table != NULL) { + for (pt = preload_table; pt->handle != NULL; pt++) { + if (pt->handle == handle) { + struct sudo_preload_symbol *sym; + for (sym = pt->symbols; sym->name != NULL; sym++) { + if (strcmp(sym->name, symbol) == 0) + return sym->addr; + } + } + } + } + errno = ENOENT; + return NULL; +} + +char * +sudo_dso_strerror_v1(void) +{ + return strerror(errno); +} +#endif /* !HAVE_SHL_LOAD && !HAVE_DLOPEN */ diff --git a/lib/util/sys_siglist.h b/lib/util/sys_siglist.h new file mode 100644 index 0000000..561c00e --- /dev/null +++ b/lib/util/sys_siglist.h @@ -0,0 +1,182 @@ +/* public domain */ + +#include <config.h> +#include <sys/types.h> +#include <signal.h> +#include <sudo_compat.h> + +int sudo_end_of_headers; +static char *sudo_sys_siglist[NSIG]; + +#ifdef SIGHUP + if (sudo_sys_siglist[SIGHUP] == NULL) + sudo_sys_siglist[SIGHUP] = "Hangup"; +#endif +#ifdef SIGINT + if (sudo_sys_siglist[SIGINT] == NULL) + sudo_sys_siglist[SIGINT] = "Interrupt"; +#endif +#ifdef SIGQUIT + if (sudo_sys_siglist[SIGQUIT] == NULL) + sudo_sys_siglist[SIGQUIT] = "Quit"; +#endif +#ifdef SIGILL + if (sudo_sys_siglist[SIGILL] == NULL) + sudo_sys_siglist[SIGILL] = "Illegal instruction"; +#endif +#ifdef SIGTRAP + if (sudo_sys_siglist[SIGTRAP] == NULL) + sudo_sys_siglist[SIGTRAP] = "Trace trap"; +#endif +#ifdef SIGABRT + if (sudo_sys_siglist[SIGABRT] == NULL) + sudo_sys_siglist[SIGABRT] = "Abort"; +#endif +#ifdef SIGIOT + if (sudo_sys_siglist[SIGIOT] == NULL) + sudo_sys_siglist[SIGIOT] = "IOT instruction"; +#endif +#ifdef SIGEMT + if (sudo_sys_siglist[SIGEMT] == NULL) + sudo_sys_siglist[SIGEMT] = "EMT trap"; +#endif +#ifdef SIGFPE + if (sudo_sys_siglist[SIGFPE] == NULL) + sudo_sys_siglist[SIGFPE] = "Floating point exception"; +#endif +#ifdef SIGKILL + if (sudo_sys_siglist[SIGKILL] == NULL) + sudo_sys_siglist[SIGKILL] = "Killed"; +#endif +#ifdef SIGBUS + if (sudo_sys_siglist[SIGBUS] == NULL) + sudo_sys_siglist[SIGBUS] = "Bus error"; +#endif +#ifdef SIGSEGV + if (sudo_sys_siglist[SIGSEGV] == NULL) + sudo_sys_siglist[SIGSEGV] = "Memory fault"; +#endif +#ifdef SIGSYS + if (sudo_sys_siglist[SIGSYS] == NULL) + sudo_sys_siglist[SIGSYS] = "Bad system call"; +#endif +#ifdef SIGUNUSED + if (sudo_sys_siglist[SIGUNUSED] == NULL) + sudo_sys_siglist[SIGUNUSED] = "Unused"; +#endif +#ifdef SIGPIPE + if (sudo_sys_siglist[SIGPIPE] == NULL) + sudo_sys_siglist[SIGPIPE] = "Broken pipe"; +#endif +#ifdef SIGALRM + if (sudo_sys_siglist[SIGALRM] == NULL) + sudo_sys_siglist[SIGALRM] = "Alarm clock"; +#endif +#ifdef SIGTERM + if (sudo_sys_siglist[SIGTERM] == NULL) + sudo_sys_siglist[SIGTERM] = "Terminated"; +#endif +#ifdef SIGSTKFLT + if (sudo_sys_siglist[SIGSTKFLT] == NULL) + sudo_sys_siglist[SIGSTKFLT] = "Stack fault"; +#endif +#ifdef SIGIO + if (sudo_sys_siglist[SIGIO] == NULL) + sudo_sys_siglist[SIGIO] = "I/O possible"; +#endif +#ifdef SIGXCPU + if (sudo_sys_siglist[SIGXCPU] == NULL) + sudo_sys_siglist[SIGXCPU] = "CPU time limit exceeded"; +#endif +#ifdef SIGXFSZ + if (sudo_sys_siglist[SIGXFSZ] == NULL) + sudo_sys_siglist[SIGXFSZ] = "File size limit exceeded"; +#endif +#ifdef SIGVTALRM + if (sudo_sys_siglist[SIGVTALRM] == NULL) + sudo_sys_siglist[SIGVTALRM] = "Virtual timer expired"; +#endif +#ifdef SIGPROF + if (sudo_sys_siglist[SIGPROF] == NULL) + sudo_sys_siglist[SIGPROF] = "Profiling timer expired"; +#endif +#ifdef SIGWINCH + if (sudo_sys_siglist[SIGWINCH] == NULL) + sudo_sys_siglist[SIGWINCH] = "Window size change"; +#endif +#ifdef SIGLOST + if (sudo_sys_siglist[SIGLOST] == NULL) + sudo_sys_siglist[SIGLOST] = "File lock lost"; +#endif +#ifdef SIGUSR1 + if (sudo_sys_siglist[SIGUSR1] == NULL) + sudo_sys_siglist[SIGUSR1] = "User defined signal 1"; +#endif +#ifdef SIGUSR2 + if (sudo_sys_siglist[SIGUSR2] == NULL) + sudo_sys_siglist[SIGUSR2] = "User defined signal 2"; +#endif +#ifdef SIGPWR + if (sudo_sys_siglist[SIGPWR] == NULL) + sudo_sys_siglist[SIGPWR] = "Power-fail/Restart"; +#endif +#ifdef SIGPOLL + if (sudo_sys_siglist[SIGPOLL] == NULL) + sudo_sys_siglist[SIGPOLL] = "Pollable event occurred"; +#endif +#ifdef SIGSTOP + if (sudo_sys_siglist[SIGSTOP] == NULL) + sudo_sys_siglist[SIGSTOP] = "Stopped (signal)"; +#endif +#ifdef SIGTSTP + if (sudo_sys_siglist[SIGTSTP] == NULL) + sudo_sys_siglist[SIGTSTP] = "Stopped"; +#endif +#ifdef SIGCONT + if (sudo_sys_siglist[SIGCONT] == NULL) + sudo_sys_siglist[SIGCONT] = "Continued"; +#endif +#ifdef SIGCHLD + if (sudo_sys_siglist[SIGCHLD] == NULL) + sudo_sys_siglist[SIGCHLD] = "Child exited"; +#endif +#ifdef SIGCLD + if (sudo_sys_siglist[SIGCLD] == NULL) + sudo_sys_siglist[SIGCLD] = "Child exited"; +#endif +#ifdef SIGTTIN + if (sudo_sys_siglist[SIGTTIN] == NULL) + sudo_sys_siglist[SIGTTIN] = "Stopped (tty input)"; +#endif +#ifdef SIGTTOU + if (sudo_sys_siglist[SIGTTOU] == NULL) + sudo_sys_siglist[SIGTTOU] = "Stopped (tty output)"; +#endif +#ifdef SIGINFO + if (sudo_sys_siglist[SIGINFO] == NULL) + sudo_sys_siglist[SIGINFO] = "Information request"; +#endif +#ifdef SIGURG + if (sudo_sys_siglist[SIGURG] == NULL) + sudo_sys_siglist[SIGURG] = "Urgent I/O condition"; +#endif +#ifdef SIGWAITING + if (sudo_sys_siglist[SIGWAITING] == NULL) + sudo_sys_siglist[SIGWAITING] = "No runnable LWPs"; +#endif +#ifdef SIGLWP + if (sudo_sys_siglist[SIGLWP] == NULL) + sudo_sys_siglist[SIGLWP] = "Inter-LWP signal"; +#endif +#ifdef SIGFREEZE + if (sudo_sys_siglist[SIGFREEZE] == NULL) + sudo_sys_siglist[SIGFREEZE] = "Checkpoint freeze"; +#endif +#ifdef SIGTHAW + if (sudo_sys_siglist[SIGTHAW] == NULL) + sudo_sys_siglist[SIGTHAW] = "Checkpoint thaw"; +#endif +#ifdef SIGCANCEL + if (sudo_sys_siglist[SIGCANCEL] == NULL) + sudo_sys_siglist[SIGCANCEL] = "Thread cancellation"; +#endif diff --git a/lib/util/sys_signame.h b/lib/util/sys_signame.h new file mode 100644 index 0000000..8c06829 --- /dev/null +++ b/lib/util/sys_signame.h @@ -0,0 +1,182 @@ +/* public domain */ + +#include <config.h> +#include <sys/types.h> +#include <signal.h> +#include <sudo_compat.h> + +int sudo_end_of_headers; +static char *sudo_sys_signame[NSIG]; + +#ifdef SIGHUP + if (sudo_sys_signame[SIGHUP] == NULL) + sudo_sys_signame[SIGHUP] = "HUP"; +#endif +#ifdef SIGINT + if (sudo_sys_signame[SIGINT] == NULL) + sudo_sys_signame[SIGINT] = "INT"; +#endif +#ifdef SIGQUIT + if (sudo_sys_signame[SIGQUIT] == NULL) + sudo_sys_signame[SIGQUIT] = "QUIT"; +#endif +#ifdef SIGILL + if (sudo_sys_signame[SIGILL] == NULL) + sudo_sys_signame[SIGILL] = "ILL"; +#endif +#ifdef SIGTRAP + if (sudo_sys_signame[SIGTRAP] == NULL) + sudo_sys_signame[SIGTRAP] = "TRAP"; +#endif +#ifdef SIGABRT + if (sudo_sys_signame[SIGABRT] == NULL) + sudo_sys_signame[SIGABRT] = "ABRT"; +#endif +#ifdef SIGIOT + if (sudo_sys_signame[SIGIOT] == NULL) + sudo_sys_signame[SIGIOT] = "IOT"; +#endif +#ifdef SIGEMT + if (sudo_sys_signame[SIGEMT] == NULL) + sudo_sys_signame[SIGEMT] = "EMT"; +#endif +#ifdef SIGFPE + if (sudo_sys_signame[SIGFPE] == NULL) + sudo_sys_signame[SIGFPE] = "FPE"; +#endif +#ifdef SIGKILL + if (sudo_sys_signame[SIGKILL] == NULL) + sudo_sys_signame[SIGKILL] = "KILL"; +#endif +#ifdef SIGBUS + if (sudo_sys_signame[SIGBUS] == NULL) + sudo_sys_signame[SIGBUS] = "BUS"; +#endif +#ifdef SIGSEGV + if (sudo_sys_signame[SIGSEGV] == NULL) + sudo_sys_signame[SIGSEGV] = "SEGV"; +#endif +#ifdef SIGSYS + if (sudo_sys_signame[SIGSYS] == NULL) + sudo_sys_signame[SIGSYS] = "SYS"; +#endif +#ifdef SIGUNUSED + if (sudo_sys_signame[SIGUNUSED] == NULL) + sudo_sys_signame[SIGUNUSED] = "UNUSED"; +#endif +#ifdef SIGPIPE + if (sudo_sys_signame[SIGPIPE] == NULL) + sudo_sys_signame[SIGPIPE] = "PIPE"; +#endif +#ifdef SIGALRM + if (sudo_sys_signame[SIGALRM] == NULL) + sudo_sys_signame[SIGALRM] = "ALRM"; +#endif +#ifdef SIGTERM + if (sudo_sys_signame[SIGTERM] == NULL) + sudo_sys_signame[SIGTERM] = "TERM"; +#endif +#ifdef SIGSTKFLT + if (sudo_sys_signame[SIGSTKFLT] == NULL) + sudo_sys_signame[SIGSTKFLT] = "STKFLT"; +#endif +#ifdef SIGIO + if (sudo_sys_signame[SIGIO] == NULL) + sudo_sys_signame[SIGIO] = "IO"; +#endif +#ifdef SIGXCPU + if (sudo_sys_signame[SIGXCPU] == NULL) + sudo_sys_signame[SIGXCPU] = "XCPU"; +#endif +#ifdef SIGXFSZ + if (sudo_sys_signame[SIGXFSZ] == NULL) + sudo_sys_signame[SIGXFSZ] = "XFSZ"; +#endif +#ifdef SIGVTALRM + if (sudo_sys_signame[SIGVTALRM] == NULL) + sudo_sys_signame[SIGVTALRM] = "VTALRM"; +#endif +#ifdef SIGPROF + if (sudo_sys_signame[SIGPROF] == NULL) + sudo_sys_signame[SIGPROF] = "PROF"; +#endif +#ifdef SIGWINCH + if (sudo_sys_signame[SIGWINCH] == NULL) + sudo_sys_signame[SIGWINCH] = "WINCH"; +#endif +#ifdef SIGLOST + if (sudo_sys_signame[SIGLOST] == NULL) + sudo_sys_signame[SIGLOST] = "LOST"; +#endif +#ifdef SIGUSR1 + if (sudo_sys_signame[SIGUSR1] == NULL) + sudo_sys_signame[SIGUSR1] = "USR1"; +#endif +#ifdef SIGUSR2 + if (sudo_sys_signame[SIGUSR2] == NULL) + sudo_sys_signame[SIGUSR2] = "USR2"; +#endif +#ifdef SIGPWR + if (sudo_sys_signame[SIGPWR] == NULL) + sudo_sys_signame[SIGPWR] = "PWR"; +#endif +#ifdef SIGPOLL + if (sudo_sys_signame[SIGPOLL] == NULL) + sudo_sys_signame[SIGPOLL] = "POLL"; +#endif +#ifdef SIGSTOP + if (sudo_sys_signame[SIGSTOP] == NULL) + sudo_sys_signame[SIGSTOP] = "STOP"; +#endif +#ifdef SIGTSTP + if (sudo_sys_signame[SIGTSTP] == NULL) + sudo_sys_signame[SIGTSTP] = "TSTP"; +#endif +#ifdef SIGCONT + if (sudo_sys_signame[SIGCONT] == NULL) + sudo_sys_signame[SIGCONT] = "CONT"; +#endif +#ifdef SIGCHLD + if (sudo_sys_signame[SIGCHLD] == NULL) + sudo_sys_signame[SIGCHLD] = "CHLD"; +#endif +#ifdef SIGCLD + if (sudo_sys_signame[SIGCLD] == NULL) + sudo_sys_signame[SIGCLD] = "CLD"; +#endif +#ifdef SIGTTIN + if (sudo_sys_signame[SIGTTIN] == NULL) + sudo_sys_signame[SIGTTIN] = "TTIN"; +#endif +#ifdef SIGTTOU + if (sudo_sys_signame[SIGTTOU] == NULL) + sudo_sys_signame[SIGTTOU] = "TTOU"; +#endif +#ifdef SIGINFO + if (sudo_sys_signame[SIGINFO] == NULL) + sudo_sys_signame[SIGINFO] = "INFO"; +#endif +#ifdef SIGURG + if (sudo_sys_signame[SIGURG] == NULL) + sudo_sys_signame[SIGURG] = "URG"; +#endif +#ifdef SIGWAITING + if (sudo_sys_signame[SIGWAITING] == NULL) + sudo_sys_signame[SIGWAITING] = "WAITING"; +#endif +#ifdef SIGLWP + if (sudo_sys_signame[SIGLWP] == NULL) + sudo_sys_signame[SIGLWP] = "LWP"; +#endif +#ifdef SIGFREEZE + if (sudo_sys_signame[SIGFREEZE] == NULL) + sudo_sys_signame[SIGFREEZE] = "FREEZE"; +#endif +#ifdef SIGTHAW + if (sudo_sys_signame[SIGTHAW] == NULL) + sudo_sys_signame[SIGTHAW] = "THAW"; +#endif +#ifdef SIGCANCEL + if (sudo_sys_signame[SIGCANCEL] == NULL) + sudo_sys_signame[SIGCANCEL] = "CANCEL"; +#endif diff --git a/lib/util/term.c b/lib/util/term.c new file mode 100644 index 0000000..a74e9d0 --- /dev/null +++ b/lib/util/term.c @@ -0,0 +1,491 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2011-2015, 2017-2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <signal.h> +#include <termios.h> +#include <unistd.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +/* TCSASOFT is a BSD extension that ignores control flags and speed. */ +#ifndef TCSASOFT +# define TCSASOFT 0 +#endif + +/* Non-standard termios input flags */ +#ifndef IUCLC +# define IUCLC 0 +#endif +#ifndef IMAXBEL +# define IMAXBEL 0 +#endif +#ifndef IUTF8 +# define IUTF8 0 +#endif + +/* Non-standard termios output flags */ +#ifndef OLCUC +# define OLCUC 0 +#endif +#ifndef ONLCR +# define ONLCR 0 +#endif +#ifndef OCRNL +# define OCRNL 0 +#endif +#ifndef ONOCR +# define ONOCR 0 +#endif +#ifndef ONLRET +# define ONLRET 0 +#endif + +/* Non-standard termios local flags */ +#ifndef XCASE +# define XCASE 0 +#endif +#ifndef IEXTEN +# define IEXTEN 0 +#endif +#ifndef ECHOCTL +# define ECHOCTL 0 +#endif +#ifndef ECHOKE +# define ECHOKE 0 +#endif + +/* Termios flags to copy between terminals. */ +#define INPUT_FLAGS (IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IUCLC|IXON|IXANY|IXOFF|IMAXBEL|IUTF8) +#define OUTPUT_FLAGS (OPOST|OLCUC|ONLCR|OCRNL|ONOCR|ONLRET) +#define CONTROL_FLAGS (CS7|CS8|PARENB|PARODD) +#define LOCAL_FLAGS (ISIG|ICANON|XCASE|ECHO|ECHOE|ECHOK|ECHONL|NOFLSH|TOSTOP|IEXTEN|ECHOCTL|ECHOKE) + +static struct termios orig_term; +static struct termios cur_term; +static bool changed; + +/* tgetpass() needs to know the erase and kill chars for cbreak mode. */ +sudo_dso_public int sudo_term_eof; +sudo_dso_public int sudo_term_erase; +sudo_dso_public int sudo_term_kill; + +static volatile sig_atomic_t got_sigttou; + +/* + * SIGTTOU signal handler for tcsetattr_nobg() that just sets a flag. + */ +static void +sigttou(int signo) +{ + got_sigttou = 1; +} + +/* + * Like tcsetattr() but restarts on EINTR _except_ for SIGTTOU. + * Returns 0 on success or -1 on failure, setting errno. + * Sets got_sigttou on failure if interrupted by SIGTTOU. + */ +static int +tcsetattr_nobg(int fd, int flags, struct termios *tp) +{ + struct sigaction sa, osa; + int rc; + debug_decl(tcsetattr_nobg, SUDO_DEBUG_UTIL); + + /* + * If we receive SIGTTOU from tcsetattr() it means we are + * not in the foreground process group. + * This should be less racy than using tcgetpgrp(). + */ + memset(&sa, 0, sizeof(sa)); + sigemptyset(&sa.sa_mask); + sa.sa_handler = sigttou; + got_sigttou = 0; + sigaction(SIGTTOU, &sa, &osa); + do { + rc = tcsetattr(fd, flags, tp); + } while (rc == -1 && errno == EINTR && !got_sigttou); + sigaction(SIGTTOU, &osa, NULL); + + debug_return_int(rc); +} + +/* + * Restore saved terminal settings if we are in the foreground process group. + * Returns true on success or false on failure. + */ +bool +sudo_term_restore_v1(int fd, bool flush) +{ + const int flags = flush ? (TCSASOFT|TCSAFLUSH) : (TCSASOFT|TCSADRAIN); + struct termios term = { 0 }; + bool ret = false; + debug_decl(sudo_term_restore, SUDO_DEBUG_UTIL); + + if (!changed) + debug_return_bool(true); + + sudo_lock_file(fd, SUDO_LOCK); + + /* Avoid changing term settings if changed out from under us. */ + if (tcgetattr(fd, &term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr(%d)", __func__, fd); + goto unlock; + } + if ((term.c_iflag & INPUT_FLAGS) != (cur_term.c_iflag & INPUT_FLAGS)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: not restoring terminal, " + "c_iflag changed; 0x%x, expected 0x%x", __func__, + (unsigned int)term.c_iflag, (unsigned int)cur_term.c_iflag); + /* Not an error. */ + ret = true; + goto unlock; + } + if ((term.c_oflag & OUTPUT_FLAGS) != (cur_term.c_oflag & OUTPUT_FLAGS)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: not restoring terminal, " + "c_oflag changed; 0x%x, expected 0x%x", __func__, + (unsigned int)term.c_oflag, (unsigned int)cur_term.c_oflag); + /* Not an error. */ + ret = true; + goto unlock; + } +#if !TCSASOFT + /* Only systems without TCSASOFT make changes to c_cflag. */ + if ((term.c_cflag & CONTROL_FLAGS) != (cur_term.c_cflag & CONTROL_FLAGS)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: not restoring terminal, " + "c_cflag changed; 0x%x, expected 0x%x", __func__, + (unsigned int)term.c_cflag, (unsigned int)cur_term.c_cflag); + /* Not an error. */ + ret = true; + goto unlock; + } +#endif + if ((term.c_lflag & LOCAL_FLAGS) != (cur_term.c_lflag & LOCAL_FLAGS)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: not restoring terminal, " + "c_lflag changed; 0x%x, expected 0x%x", __func__, + (unsigned int)term.c_lflag, (unsigned int)cur_term.c_lflag); + /* Not an error. */ + ret = true; + goto unlock; + } + if (memcmp(term.c_cc, cur_term.c_cc, sizeof(term.c_cc)) != 0) { + sudo_debug_printf(SUDO_DEBUG_INFO, + "%s: not restoring terminal, c_cc[] changed", __func__); + /* Not an error. */ + ret = true; + goto unlock; + } + + if (tcsetattr_nobg(fd, flags, &orig_term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcsetattr(%d)", __func__, fd); + goto unlock; + } + cur_term = orig_term; + changed = false; + ret = true; + +unlock: + sudo_lock_file(fd, SUDO_UNLOCK); + + debug_return_bool(ret); +} + +/* + * Disable terminal echo. + * Returns true on success or false on failure. + */ +bool +sudo_term_noecho_v1(int fd) +{ + struct termios term = { 0 }; + bool ret = false; + debug_decl(sudo_term_noecho, SUDO_DEBUG_UTIL); + + sudo_lock_file(fd, SUDO_LOCK); + if (!changed && tcgetattr(fd, &orig_term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr(%d)", __func__, fd); + goto unlock; + } + + term = orig_term; + CLR(term.c_lflag, ECHO|ECHONL); +#ifdef VSTATUS + term.c_cc[VSTATUS] = _POSIX_VDISABLE; +#endif + if (tcsetattr_nobg(fd, TCSASOFT|TCSADRAIN, &term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcsetattr(%d)", __func__, fd); + goto unlock; + } + cur_term = term; + changed = true; + ret = true; + +unlock: + sudo_lock_file(fd, SUDO_UNLOCK); + debug_return_bool(ret); +} + +/* + * Returns true if term is in raw mode, else false. + */ +static bool +sudo_term_is_raw_int(struct termios *term) +{ + debug_decl(sudo_term_is_raw_int, SUDO_DEBUG_UTIL); + + if (term->c_cc[VMIN] != 1 || term->c_cc[VTIME] != 0) + debug_return_bool(false); + + if (ISSET(term->c_oflag, OPOST)) + debug_return_bool(false); + + if (ISSET(term->c_oflag, ECHO|ECHONL|ICANON)) + debug_return_bool(false); + + debug_return_bool(true); +} + +/* + * Returns true if fd refers to a tty in raw mode, else false. + */ +bool +sudo_term_is_raw_v1(int fd) +{ + struct termios term = { 0 }; + debug_decl(sudo_term_is_raw, SUDO_DEBUG_UTIL); + + if (!sudo_isatty(fd, NULL)) + debug_return_bool(false); + + sudo_lock_file(fd, SUDO_LOCK); + if (tcgetattr(fd, &term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr(%d)", __func__, fd); + sudo_lock_file(fd, SUDO_UNLOCK); + debug_return_bool(false); + } + sudo_lock_file(fd, SUDO_UNLOCK); + + debug_return_bool(sudo_term_is_raw_int(&term)); +} + +/* + * Set terminal to raw mode as modified by flags. + * Returns true on success or false on failure. + */ +bool +sudo_term_raw_v1(int fd, unsigned int flags) +{ + struct termios term = { 0 }; + bool ret = false; + tcflag_t oflag; + debug_decl(sudo_term_raw, SUDO_DEBUG_UTIL); + + sudo_lock_file(fd, SUDO_LOCK); + if (!changed && tcgetattr(fd, &orig_term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr(%d)", __func__, fd); + goto unlock; + } + + if (sudo_term_is_raw_int(&term)) { + sudo_debug_printf(SUDO_DEBUG_INFO, "%s: fd %d already in raw mode", + __func__, fd); + ret = true; + goto unlock; + } + + /* + * Set terminal to raw mode but optionally enable terminal signals + * and/or preserve output flags. + */ + term = orig_term; + oflag = term.c_oflag; + cfmakeraw(&term); + if (ISSET(flags, SUDO_TERM_ISIG)) + SET(term.c_lflag, ISIG); + if (ISSET(flags, SUDO_TERM_OFLAG)) + term.c_oflag = oflag; + if (tcsetattr_nobg(fd, TCSASOFT|TCSADRAIN, &term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcsetattr(%d)", __func__, fd); + goto unlock; + } + cur_term = term; + changed = true; + ret = true; + +unlock: + sudo_lock_file(fd, SUDO_UNLOCK); + debug_return_bool(ret); +} + +/* + * Set terminal to cbreak mode. + * Returns true on success or false on failure. + */ +bool +sudo_term_cbreak_v1(int fd) +{ + struct termios term = { 0 }; + bool ret = false; + debug_decl(sudo_term_cbreak, SUDO_DEBUG_UTIL); + + sudo_lock_file(fd, SUDO_LOCK); + if (!changed && tcgetattr(fd, &orig_term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr(%d)", __func__, fd); + goto unlock; + } + + /* Set terminal to half-cooked mode */ + term = orig_term; + term.c_cc[VMIN] = 1; + term.c_cc[VTIME] = 0; + /* cppcheck-suppress redundantAssignment */ + CLR(term.c_lflag, ECHO | ECHONL | ICANON | IEXTEN); + /* cppcheck-suppress redundantAssignment */ + SET(term.c_lflag, ISIG); +#ifdef VSTATUS + term.c_cc[VSTATUS] = _POSIX_VDISABLE; +#endif + if (tcsetattr_nobg(fd, TCSASOFT|TCSADRAIN, &term) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcsetattr(%d)", __func__, fd); + goto unlock; + } + sudo_term_eof = term.c_cc[VEOF]; + sudo_term_erase = term.c_cc[VERASE]; + sudo_term_kill = term.c_cc[VKILL]; + cur_term = term; + changed = true; + ret = true; + +unlock: + sudo_lock_file(fd, SUDO_UNLOCK); + debug_return_bool(ret); +} + +/* + * Copy terminal settings from one descriptor to another. + * We cannot simply copy the struct termios as src and dst may be + * different terminal types (pseudo-tty vs. console or glass tty). + * Returns true on success or false on failure. + */ +bool +sudo_term_copy_v1(int src, int dst) +{ + struct termios tt_src, tt_dst; + struct winsize wsize; + speed_t speed; + unsigned int i; + bool ret = false; + debug_decl(sudo_term_copy, SUDO_DEBUG_UTIL); + + sudo_lock_file(src, SUDO_LOCK); + sudo_lock_file(dst, SUDO_LOCK); + if (tcgetattr(src, &tt_src) == -1 || tcgetattr(dst, &tt_dst) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcgetattr", __func__); + goto unlock; + } + + /* Clear select input, output, control and local flags. */ + CLR(tt_dst.c_iflag, INPUT_FLAGS); + CLR(tt_dst.c_oflag, OUTPUT_FLAGS); + CLR(tt_dst.c_cflag, CONTROL_FLAGS); + CLR(tt_dst.c_lflag, LOCAL_FLAGS); + + /* Copy select input, output, control and local flags. */ + SET(tt_dst.c_iflag, (tt_src.c_iflag & INPUT_FLAGS)); + SET(tt_dst.c_oflag, (tt_src.c_oflag & OUTPUT_FLAGS)); + SET(tt_dst.c_cflag, (tt_src.c_cflag & CONTROL_FLAGS)); + SET(tt_dst.c_lflag, (tt_src.c_lflag & LOCAL_FLAGS)); + + /* Copy special chars from src verbatim. */ + for (i = 0; i < NCCS; i++) + tt_dst.c_cc[i] = tt_src.c_cc[i]; + + /* Copy speed from src (zero output speed closes the connection). */ + if ((speed = cfgetospeed(&tt_src)) == B0) + speed = B38400; + cfsetospeed(&tt_dst, speed); + speed = cfgetispeed(&tt_src); + cfsetispeed(&tt_dst, speed); + + if (tcsetattr_nobg(dst, TCSASOFT|TCSAFLUSH, &tt_dst) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO, + "%s: tcsetattr(%d)", __func__, dst); + goto unlock; + } + ret = true; + + if (ioctl(src, TIOCGWINSZ, &wsize) == 0) + (void)ioctl(dst, IOCTL_REQ_CAST TIOCSWINSZ, &wsize); + +unlock: + sudo_lock_file(dst, SUDO_UNLOCK); + sudo_lock_file(src, SUDO_UNLOCK); + debug_return_bool(ret); +} + +/* + * Like isatty(3) but stats the fd and stores the result in sb. + * Only calls isatty(3) if fd is a character special device. + * Returns true if a tty, else returns false and sets errno. + */ +bool +sudo_isatty_v1(int fd, struct stat *sbp) +{ + bool ret = false; + struct stat sb; + debug_decl(sudo_isatty, SUDO_DEBUG_EXEC); + + if (sbp == NULL) + sbp = &sb; + + if (fstat(fd, sbp) == 0) { + if (!S_ISCHR(sbp->st_mode)) { + errno = ENOTTY; + } else { + ret = isatty(fd) == 1; + } + } else if (sbp != &sb) { + /* Always initialize sbp. */ + memset(sbp, 0, sizeof(*sbp)); + } + debug_return_bool(ret); +} diff --git a/lib/util/timegm.c b/lib/util/timegm.c new file mode 100644 index 0000000..acb5190 --- /dev/null +++ b/lib/util/timegm.c @@ -0,0 +1,99 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2017, 2021 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifndef HAVE_TIMEGM + +#include <stdio.h> +#include <time.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> + +/* + * Returns the offset from GMT in seconds (algorithm taken from sendmail). + */ +#ifdef HAVE_STRUCT_TM_TM_GMTOFF +static long +get_gmtoff(time_t *when) +{ + struct tm local; + + if (localtime_r(when, &local) == NULL) + return 0; + + /* Adjust for DST. */ + if (local.tm_isdst != 0) + local.tm_gmtoff -= local.tm_isdst * 3600; + + return local.tm_gmtoff; +} +#else +static long +get_gmtoff(time_t *when) +{ + struct tm gmt, local; + long offset; + + if (gmtime_r(when, &gmt) == NULL) + return 0; + if (localtime_r(when, &local) == NULL) + return 0; + + offset = (local.tm_sec - gmt.tm_sec) + + ((local.tm_min - gmt.tm_min) * 60) + + ((local.tm_hour - gmt.tm_hour) * 3600); + + /* Timezone may cause year rollover to happen on a different day. */ + if (local.tm_year < gmt.tm_year) + offset -= 24 * 3600; + else if (local.tm_year > gmt.tm_year) + offset -= 24 * 3600; + else if (local.tm_yday < gmt.tm_yday) + offset -= 24 * 3600; + else if (local.tm_yday > gmt.tm_yday) + offset += 24 * 3600; + + /* Adjust for DST. */ + if (local.tm_isdst != 0) + offset -= local.tm_isdst * 3600; + + return offset; +} +#endif /* HAVE_TM_GMTOFF */ + +time_t +sudo_timegm(struct tm *tm) +{ + time_t result; + + tm->tm_isdst = 0; + result = mktime(tm); + if (result != -1) + result += get_gmtoff(&result); + + return result; +} + +#endif /* HAVE_TIMEGM */ diff --git a/lib/util/ttyname_dev.c b/lib/util/ttyname_dev.c new file mode 100644 index 0000000..3236925 --- /dev/null +++ b/lib/util/ttyname_dev.c @@ -0,0 +1,311 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2012-2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/stat.h> +#if defined(MAJOR_IN_MKDEV) +# include <sys/mkdev.h> +#elif defined(MAJOR_IN_SYSMACROS) +# include <sys/sysmacros.h> +#else +# include <sys/param.h> +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <dirent.h> + +#include <pathnames.h> +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_conf.h> +#include <sudo_util.h> + +#if defined(HAVE_DEVNAME) +/* + * Like ttyname() but uses a dev_t instead of an open fd. + * Returns name on success and NULL on failure, setting errno. + * The BSD version uses devname(). + */ +char * +sudo_ttyname_dev_v1(dev_t tdev, char *name, size_t namelen) +{ + char *dev; + debug_decl(sudo_ttyname_dev, SUDO_DEBUG_UTIL); + + /* Some versions of devname() return NULL on failure, others do not. */ + dev = devname(tdev, S_IFCHR); + if (dev != NULL && *dev != '?' && *dev != '#') { + if (strlcpy(name, _PATH_DEV, namelen) < namelen && + strlcat(name, dev, namelen) < namelen) + debug_return_str(name); + errno = ERANGE; + } else { + /* Not all versions of devname() set errno. */ + errno = ENOENT; + } + debug_return_str(NULL); +} +#elif defined(HAVE__TTYNAME_DEV) +extern char *_ttyname_dev(dev_t rdev, char *buffer, size_t buflen); + +/* + * Like ttyname() but uses a dev_t instead of an open fd. + * Returns name on success and NULL on failure, setting errno. + * This version is just a wrapper around _ttyname_dev(). + */ +char * +sudo_ttyname_dev_v1(dev_t tdev, char *name, size_t namelen) +{ + int serrno = errno; + debug_decl(sudo_ttyname_dev, SUDO_DEBUG_UTIL); + + /* + * _ttyname_dev() sets errno to ERANGE if namelen is too small + * but does not modify it if tdev is not found. + */ + errno = ENOENT; + if (_ttyname_dev(tdev, name, namelen) == NULL) + debug_return_str(NULL); + errno = serrno; + + debug_return_str(name); +} +#else +/* + * Device nodes to ignore. + */ +static const char *ignore_devs[] = { + _PATH_DEV "stdin", + _PATH_DEV "stdout", + _PATH_DEV "stderr", + NULL +}; + +/* + * Do a scan of a directory looking for the specified device. + * Does not descend into subdirectories. + * Returns name on success and NULL on failure, setting errno. + */ +static char * +sudo_ttyname_scan(const char *dir, dev_t rdev, char *name, size_t namelen) +{ + size_t sdlen; + char pathbuf[PATH_MAX]; + char *ret = NULL; + struct dirent *dp; + struct stat sb; + size_t i; + DIR *d = NULL; + debug_decl(sudo_ttyname_scan, SUDO_DEBUG_UTIL); + + if (dir[0] == '\0') { + errno = ENOENT; + goto done; + } + if ((d = opendir(dir)) == NULL) + goto done; + + if (fstat(dirfd(d), &sb) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to fstat %s", dir); + goto done; + } + if ((sb.st_mode & S_IWOTH) != 0) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "ignoring world-writable directory %s", dir); + errno = ENOENT; + goto done; + } + + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "scanning for dev %u in %s", (unsigned int)rdev, dir); + + sdlen = strlen(dir); + while (sdlen > 0 && dir[sdlen - 1] == '/') + sdlen--; + if (sdlen + 1 >= sizeof(pathbuf)) { + errno = ERANGE; + goto done; + } + memcpy(pathbuf, dir, sdlen); + pathbuf[sdlen++] = '/'; + + while ((dp = readdir(d)) != NULL) { + /* Skip anything starting with "." */ + if (dp->d_name[0] == '.') + continue; + + pathbuf[sdlen] = '\0'; + if (strlcat(pathbuf, dp->d_name, sizeof(pathbuf)) >= sizeof(pathbuf)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "%s%s is too big to fit in pathbuf", pathbuf, dp->d_name); + continue; + } + + /* Ignore device nodes listed in ignore_devs[]. */ + for (i = 0; ignore_devs[i] != NULL; i++) { + if (strcmp(pathbuf, ignore_devs[i]) == 0) + break; + } + if (ignore_devs[i] != NULL) { + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "ignoring %s", pathbuf); + continue; + } + +# if defined(HAVE_STRUCT_DIRENT_D_TYPE) + /* + * Avoid excessive stat() calls by checking dp->d_type. + */ + switch (dp->d_type) { + case DT_CHR: + case DT_LNK: + case DT_UNKNOWN: + break; + default: + /* Not a character device or link, skip it. */ + sudo_debug_printf(SUDO_DEBUG_DEBUG|SUDO_DEBUG_LINENO, + "skipping non-device %s", pathbuf); + continue; + } +# endif + if (stat(pathbuf, &sb) == -1) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO, + "unable to stat %s", pathbuf); + continue; + } + if (S_ISCHR(sb.st_mode) && sb.st_rdev == rdev) { + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "resolved dev %u as %s", (unsigned int)rdev, pathbuf); + if (strlcpy(name, pathbuf, namelen) < namelen) { + ret = name; + } else { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to store %s, have %zu, need %zu", + pathbuf, namelen, strlen(pathbuf) + 1); + errno = ERANGE; + } + goto done; + } + } + +done: + if (d != NULL) + closedir(d); + debug_return_str(ret); +} + +static char * +sudo_dev_check(dev_t rdev, const char * restrict devname, char * restrict buf, size_t buflen) +{ + struct stat sb; + debug_decl(sudo_dev_check, SUDO_DEBUG_UTIL); + + if (stat(devname, &sb) == 0) { + if (S_ISCHR(sb.st_mode) && sb.st_rdev == rdev) { + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "comparing dev %u to %s: match!", + (unsigned int)rdev, devname); + if (strlcpy(buf, devname, buflen) < buflen) + debug_return_str(buf); + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "unable to store %s, have %zu, need %zu", + devname, buflen, strlen(devname) + 1); + errno = ERANGE; + } + } + sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO, + "comparing dev %u to %s: no", (unsigned int)rdev, devname); + debug_return_str(NULL); +} + +/* + * Like ttyname() but uses a dev_t instead of an open fd. + * Returns name on success and NULL on failure, setting errno. + * Generic version. + */ +char * +sudo_ttyname_dev_v1(dev_t rdev, char *buf, size_t buflen) +{ + const char *devsearch, *devsearch_end; + char path[PATH_MAX], *ret; + const char *cp, *ep; + size_t len; + debug_decl(sudo_ttyname_dev, SUDO_DEBUG_UTIL); + + /* + * First, check /dev/console. + */ + ret = sudo_dev_check(rdev, _PATH_DEV "console", buf, buflen); + if (ret != NULL) + goto done; + + /* + * Then check the device search path. + */ + devsearch = sudo_conf_devsearch_path(); + devsearch_end = devsearch + strlen(devsearch); + for (cp = sudo_strsplit(devsearch, devsearch_end, ":", &ep); + cp != NULL; cp = sudo_strsplit(NULL, devsearch_end, ":", &ep)) { + + len = (size_t)(ep - cp); + if (len >= sizeof(path)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "devsearch entry %.*s too long", (int)len, cp); + continue; + } + memcpy(path, cp, len); + path[len] = '\0'; + + if (strcmp(path, _PATH_DEV "pts") == 0) { + /* Special case /dev/pts */ + len = (size_t)snprintf(path, sizeof(path), "%spts/%u", + _PATH_DEV, (unsigned int)minor(rdev)); + if (len >= sizeof(path)) { + sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO, + "devsearch entry %spts/%u too long", + _PATH_DEV, (unsigned int)minor(rdev)); + continue; + } + ret = sudo_dev_check(rdev, path, buf, buflen); + if (ret != NULL) + goto done; + } else { + /* Scan path, looking for rdev. */ + ret = sudo_ttyname_scan(path, rdev, buf, buflen); + if (ret != NULL || errno == ENOMEM) + goto done; + } + } + +done: + debug_return_str(ret); +} +#endif diff --git a/lib/util/ttysize.c b/lib/util/ttysize.c new file mode 100644 index 0000000..0b582d0 --- /dev/null +++ b/lib/util/ttysize.c @@ -0,0 +1,80 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010-2012, 2014-2015, 2023 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/ioctl.h> +#include <stdlib.h> +#include <unistd.h> +#include <termios.h> /* for struct winsize on HP-UX */ +#include <limits.h> + +#include <sudo_compat.h> +#include <sudo_debug.h> +#include <sudo_util.h> + +static int +get_ttysize_ioctl(int fd, int *rowp, int *colp) +{ + struct winsize wsize; + debug_decl(get_ttysize_ioctl, SUDO_DEBUG_UTIL); + + if (fd != -1 && sudo_isatty(fd, NULL)) { + if (ioctl(fd, TIOCGWINSZ, &wsize) == 0) { + if (wsize.ws_row != 0 && wsize.ws_col != 0) { + *rowp = wsize.ws_row; + *colp = wsize.ws_col; + debug_return_int(0); + } + } + } + debug_return_int(-1); +} + +void +sudo_get_ttysize_v1(int *rowp, int *colp) +{ + sudo_get_ttysize_v2(STDERR_FILENO, rowp, colp); +} + +void +sudo_get_ttysize_v2(int fd, int *rowp, int *colp) +{ + debug_decl(sudo_get_ttysize, SUDO_DEBUG_UTIL); + + if (get_ttysize_ioctl(fd, rowp, colp) == -1) { + char *p; + + /* Fall back on $LINES and $COLUMNS. */ + if ((p = getenv("LINES")) == NULL || + (*rowp = (int)sudo_strtonum(p, 1, INT_MAX, NULL)) <= 0) { + *rowp = 24; + } + if ((p = getenv("COLUMNS")) == NULL || + (*colp = (int)sudo_strtonum(p, 1, INT_MAX, NULL)) <= 0) { + *colp = 80; + } + } + + debug_return; +} diff --git a/lib/util/unlinkat.c b/lib/util/unlinkat.c new file mode 100644 index 0000000..b62902e --- /dev/null +++ b/lib/util/unlinkat.c @@ -0,0 +1,60 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <fcntl.h> +#include <unistd.h> + +#include <sudo_compat.h> + +#ifndef HAVE_UNLINKAT +int +sudo_unlinkat(int dfd, const char *path, int flag) +{ + int odfd, ret; + + if (dfd == AT_FDCWD) + return unlink(path); + + /* Save cwd */ + if ((odfd = open(".", O_RDONLY)) == -1) + return -1; + + if (fchdir(dfd) == -1) { + close(odfd); + return -1; + } + + ret = unlink(path); + + /* Restore cwd */ + if (fchdir(odfd) == -1) { + /* Should not happen */ + ret = -1; + } + close(odfd); + + return ret; +} +#endif /* HAVE_UNLINKAT */ diff --git a/lib/util/util.exp.in b/lib/util/util.exp.in new file mode 100644 index 0000000..ca9dced --- /dev/null +++ b/lib/util/util.exp.in @@ -0,0 +1,178 @@ +@COMPAT_EXP@initprogname +initprogname2 +sudo_basename_v1 +sudo_conf_askpass_path_v1 +sudo_conf_clear_paths_v1 +sudo_conf_debug_files_v1 +sudo_conf_debugging_v1 +sudo_conf_developer_mode_v1 +sudo_conf_devsearch_path_v1 +sudo_conf_disable_coredump_v1 +sudo_conf_group_source_v1 +sudo_conf_intercept_path_v1 +sudo_conf_max_groups_v1 +sudo_conf_noexec_path_v1 +sudo_conf_plugin_dir_path_v1 +sudo_conf_plugins_v1 +sudo_conf_probe_interfaces_v1 +sudo_conf_read_v1 +sudo_conf_sesh_path_v1 +sudo_debug_deregister_v1 +sudo_debug_enter_v1 +sudo_debug_execve2_v1 +sudo_debug_exit_bool_v1 +sudo_debug_exit_id_t_v1 +sudo_debug_exit_int_v1 +sudo_debug_exit_long_v1 +sudo_debug_exit_mode_t_v1 +sudo_debug_exit_ptr_v1 +sudo_debug_exit_size_t_v1 +sudo_debug_exit_ssize_t_v1 +sudo_debug_exit_str_masked_v1 +sudo_debug_exit_str_v1 +sudo_debug_exit_time_t_v1 +sudo_debug_exit_uint_v1 +sudo_debug_exit_v1 +sudo_debug_fork_v1 +sudo_debug_get_active_instance_v1 +sudo_debug_get_fds_v1 +sudo_debug_get_instance_v1 +sudo_debug_needed_v1 +sudo_debug_parse_flags_v1 +sudo_debug_printf2_v1 +sudo_debug_register_v1 +sudo_debug_register_v2 +sudo_debug_set_active_instance_v1 +sudo_debug_update_fd_v1 +sudo_debug_vprintf2_v1 +sudo_debug_write2_v1 +sudo_digest_alloc_v1 +sudo_digest_final_v1 +sudo_digest_free_v1 +sudo_digest_getlen_v1 +sudo_digest_getlen_v2 +sudo_digest_reset_v1 +sudo_digest_update_v1 +sudo_dso_findsym_v1 +sudo_dso_load_v1 +sudo_dso_preload_table_v1 +sudo_dso_strerror_v1 +sudo_dso_unload_v1 +sudo_ev_add_v1 +sudo_ev_add_v2 +sudo_ev_alloc_v1 +sudo_ev_alloc_v2 +sudo_ev_base_alloc_v1 +sudo_ev_base_free_v1 +sudo_ev_base_setdef_v1 +sudo_ev_del_v1 +sudo_ev_dispatch_v1 +sudo_ev_free_v1 +sudo_ev_get_timeleft_v1 +sudo_ev_get_timeleft_v2 +sudo_ev_got_break_v1 +sudo_ev_got_exit_v1 +sudo_ev_loop_v1 +sudo_ev_loopbreak_v1 +sudo_ev_loopcontinue_v1 +sudo_ev_loopexit_v1 +sudo_ev_pending_v1 +sudo_ev_pending_v2 +sudo_ev_set_v1 +sudo_ev_set_v2 +sudo_fatal_callback_deregister_v1 +sudo_fatal_callback_register_v1 +sudo_fatal_nodebug_v1 +sudo_fatalx_nodebug_v1 +sudo_gai_fatal_nodebug_v1 +sudo_gai_vfatal_nodebug_v1 +sudo_gai_vwarn_nodebug_v1 +sudo_gai_warn_nodebug_v1 +sudo_get_ttysize_v1 +sudo_get_ttysize_v2 +sudo_getgrouplist2_v1 +sudo_gethostname_v1 +sudo_gettime_awake_v1 +sudo_gettime_mono_v1 +sudo_gettime_real_v1 +sudo_hexchar_v1 +sudo_isatty_v1 +sudo_json_add_value_as_object_v1 +sudo_json_add_value_v1 +sudo_json_close_array_v1 +sudo_json_close_object_v1 +sudo_json_free_v1 +sudo_json_get_buf_v1 +sudo_json_get_len_v1 +sudo_json_init_v1 +sudo_json_init_v2 +sudo_json_open_array_v1 +sudo_json_open_object_v1 +sudo_lbuf_append_esc_v1 +sudo_lbuf_append_quoted_v1 +sudo_lbuf_append_v1 +sudo_lbuf_clearerr_v1 +sudo_lbuf_destroy_v1 +sudo_lbuf_error_v1 +sudo_lbuf_init_v1 +sudo_lbuf_print_v1 +sudo_lock_file_v1 +sudo_lock_region_v1 +sudo_logfac2str_v1 +sudo_logpri2str_v1 +sudo_mkdir_parents_v1 +sudo_mmap_alloc_v1 +sudo_mmap_allocarray_v1 +sudo_mmap_free_v1 +sudo_mmap_protect_v1 +sudo_mmap_strdup_v1 +sudo_new_key_val_v1 +sudo_open_conf_path_v1 +sudo_open_parent_dir_v1 +sudo_parse_gids_v1 +sudo_parseln_v1 +sudo_parseln_v2 +sudo_pow2_roundup_v1 +sudo_pow2_roundup_v2 +sudo_rcstr_addref +sudo_rcstr_alloc +sudo_rcstr_delref +sudo_rcstr_dup +sudo_regex_compile_v1 +sudo_secure_dir_v1 +sudo_secure_fd_v1 +sudo_secure_file_v1 +sudo_secure_open_dir_v1 +sudo_secure_open_file_v1 +sudo_setgroups_v1 +sudo_stat_multiarch_v1 +sudo_str2logfac_v1 +sudo_str2logpri_v1 +sudo_strsplit_v1 +sudo_strtobool_v1 +sudo_strtoid_v1 +sudo_strtoid_v2 +sudo_strtoidx_v1 +sudo_strtomode_v1 +sudo_strtomode_v2 +sudo_strtonum +sudo_term_cbreak_v1 +sudo_term_copy_v1 +sudo_term_eof +sudo_term_erase +sudo_term_is_raw_v1 +sudo_term_kill +sudo_term_noecho_v1 +sudo_term_raw_v1 +sudo_term_restore_v1 +sudo_ttyname_dev_v1 +sudo_uuid_create_v1 +sudo_uuid_to_string_v1 +sudo_vfatal_nodebug_v1 +sudo_vfatalx_nodebug_v1 +sudo_vwarn_nodebug_v1 +sudo_vwarnx_nodebug_v1 +sudo_warn_nodebug_v1 +sudo_warn_set_conversation_v1 +sudo_warn_set_locale_func_v1 +sudo_warnx_nodebug_v1 diff --git a/lib/util/utimens.c b/lib/util/utimens.c new file mode 100644 index 0000000..74d6c65 --- /dev/null +++ b/lib/util/utimens.c @@ -0,0 +1,200 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015, 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#if !defined(HAVE_FUTIMENS) || !defined(HAVE_UTIMENSAT) + +#include <sys/stat.h> +#include <sys/time.h> +#include <errno.h> +#include <time.h> +#if !defined(HAVE_UTIMES) || defined(HAVE_FUTIME) +# include <utime.h> +#endif + +#include <sudo_compat.h> +#include <sudo_util.h> + +#if !defined(HAVE_FUTIMES) && defined(HAVE_FUTIMESAT) +# define futimes(_f, _tv) futimesat(_f, NULL, _tv) +# define HAVE_FUTIMES +#endif + +#if defined(HAVE_ST_MTIM) +# ifdef HAVE_ST__TIM +# define ATIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_atim.st__tim) +# define MTIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_mtim.st__tim) +# else +# define ATIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_atim) +# define MTIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_mtim) +# endif +#elif defined(HAVE_ST_MTIMESPEC) +# define ATIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_atimespec) +# define MTIME_TO_TIMEVAL(_x, _y) TIMESPEC_TO_TIMEVAL((_x), &(_y)->st_mtimespec) +#elif defined(HAVE_ST_NMTIME) +# define ATIME_TO_TIMEVAL(_x, _y) do { (_x)->tv_sec = (_y)->st_atime; (_x)->tv_usec = (_y)->st_natime; } while (0) +# define MTIME_TO_TIMEVAL(_x, _y) do { (_x)->tv_sec = (_y)->st_mtime; (_x)->tv_usec = (_y)->st_nmtime; } while (0) +#else +# define ATIME_TO_TIMEVAL(_x, _y) do { (_x)->tv_sec = (_y)->st_atime; (_x)->tv_usec = 0; } while (0) +# define MTIME_TO_TIMEVAL(_x, _y) do { (_x)->tv_sec = (_y)->st_mtime; (_x)->tv_usec = 0; } while (0) +#endif /* HAVE_ST_MTIM */ + +/* + * Convert the pair of timespec structs passed to futimens() / utimensat() + * to a pair of timeval structs, handling UTIME_OMIT and UTIME_NOW. + * Returns 0 on success and -1 on failure (setting errno). + */ +static int +utimens_ts_to_tv(int fd, const char *file, const struct timespec *ts, + struct timeval *tv) +{ + TIMESPEC_TO_TIMEVAL(&tv[0], &ts[0]); + TIMESPEC_TO_TIMEVAL(&tv[1], &ts[1]); + if (ts[0].tv_nsec == UTIME_OMIT || ts[1].tv_nsec == UTIME_OMIT) { + struct stat sb; + + if (fd != -1) { + /* For futimens() */ + if (fstat(fd, &sb) == -1) + return -1; + } else { + /* For utimensat() */ + if (stat(file, &sb) == -1) + return -1; + } + if (ts[0].tv_nsec == UTIME_OMIT) + ATIME_TO_TIMEVAL(&tv[0], &sb); + if (ts[1].tv_nsec == UTIME_OMIT) + MTIME_TO_TIMEVAL(&tv[1], &sb); + } + if (ts[0].tv_nsec == UTIME_NOW || ts[1].tv_nsec == UTIME_NOW) { + struct timeval now; + + if (gettimeofday(&now, NULL) == -1) + return -1; + if (ts[0].tv_nsec == UTIME_NOW) + tv[0] = now; + if (ts[1].tv_nsec == UTIME_NOW) + tv[1] = now; + } + return 0; +} + +#if defined(HAVE_FUTIMES) +/* + * Emulate futimens() via futimes() + */ +int +sudo_futimens(int fd, const struct timespec *ts) +{ + struct timeval tv[2], *times = NULL; + + if (ts != NULL) { + if (utimens_ts_to_tv(fd, NULL, ts, tv) == -1) + return -1; + times = tv; + } + return futimes(fd, times); +} +#elif defined(HAVE_FUTIME) +/* + * Emulate futimens() via futime() + */ +int +sudo_futimens(int fd, const struct timespec *ts) +{ + struct utimbuf utb, *times = NULL; + + if (ts != NULL) { + struct timeval tv[2]; + + if (utimens_ts_to_tv(fd, NULL, ts, tv) == -1) + return -1; + utb.actime = (time_t)(tv[0].tv_sec + tv[0].tv_usec / 1000000); + utb.modtime = (time_t)(tv[1].tv_sec + tv[1].tv_usec / 1000000); + times = &utb; + } + return futime(fd, times); +} +#else +/* + * Nothing to do but fail. + */ +int +sudo_futimens(int fd, const struct timespec *ts) +{ + errno = ENOSYS; + return -1; +} +#endif /* HAVE_FUTIMES */ + +#if defined(HAVE_UTIMES) +/* + * Emulate utimensat() via utimes() + */ +int +sudo_utimensat(int fd, const char *file, const struct timespec *ts, int flag) +{ + struct timeval tv[2], *times = NULL; + + if (fd != AT_FDCWD || flag != 0) { + errno = ENOTSUP; + return -1; + } + + if (ts != NULL) { + if (utimens_ts_to_tv(-1, file, ts, tv) == -1) + return -1; + times = tv; + } + return utimes(file, times); +} +#else +/* + * Emulate utimensat() via utime() + */ +int +sudo_utimensat(int fd, const char *file, const struct timespec *ts, int flag) +{ + struct utimbuf utb, *times = NULL; + + if (fd != AT_FDCWD || flag != 0) { + errno = ENOTSUP; + return -1; + } + + if (ts != NULL) { + struct timeval tv[2]; + + if (utimens_ts_to_tv(-1, file, ts, tv) == -1) + return -1; + utb.actime = (time_t)(tv[0].tv_sec + tv[0].tv_usec / 1000000); + utb.modtime = (time_t)(tv[1].tv_sec + tv[1].tv_usec / 1000000); + times = &utb; + } + return utime(file, times); +} +#endif /* !HAVE_UTIMES */ + +#endif /* !HAVE_FUTIMENS && !HAVE_UTIMENSAT */ diff --git a/lib/util/uuid.c b/lib/util/uuid.c new file mode 100644 index 0000000..764c8db --- /dev/null +++ b/lib/util/uuid.c @@ -0,0 +1,99 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2020 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <stdlib.h> +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <string.h> +#include <arpa/inet.h> + +#include <sudo_compat.h> +#include <sudo_util.h> +#include <sudo_rand.h> + +struct uuid { + uint32_t time_low; + uint16_t time_mid; + uint16_t time_hi_and_version; + uint8_t clock_seq_hi_and_reserved; + uint8_t clock_seq_low; + uint8_t node[6]; +}; + +/* + * Create a type 4 (random), variant 1 universally unique identifier (UUID). + * As per RFC 4122 section 4.4. + */ +void +sudo_uuid_create_v1(unsigned char uuid_out[16]) +{ + struct uuid uuid; + + arc4random_buf(&uuid, sizeof(uuid)); + + /* Set version to 4 (random), 4 most significant bits (12-15) are 0010. */ + uuid.time_hi_and_version &= 0x0fff; + uuid.time_hi_and_version |= 0x4000; + + /* Set variant to 1: two most significant bits (6 and 7) are 01. */ + uuid.clock_seq_hi_and_reserved &= 0x3f; + uuid.clock_seq_hi_and_reserved |= 0x80; + + memcpy(uuid_out, &uuid, 16); +} + +/* + * Format a uuid as a 36-byte string (plus one for the NUL). + */ +char * +sudo_uuid_to_string_v1(unsigned char uuid[16], char *dst, size_t dstsiz) +{ + const char hex[] = "0123456789abcdef"; + char *cp = dst; + unsigned int i; + + if (dstsiz < sizeof("123e4567-e89b-12d3-a456-426655440000")) + return NULL; + + for (i = 0; i < 16; i++) { + *cp++ = hex[uuid[i] >> 4]; + *cp++ = hex[uuid[i] & 0x0f]; + + switch (i) { + case 4: + case 6: + case 8: + case 10: + *cp++ = '-'; + break; + } + } + *cp = '\0'; + + return dst; +} diff --git a/lib/zlib/Makefile.in b/lib/zlib/Makefile.in new file mode 100644 index 0000000..df44c2a --- /dev/null +++ b/lib/zlib/Makefile.in @@ -0,0 +1,231 @@ +# +# SPDX-License-Identifier: ISC +# +# Copyright (c) 2011-2023 Todd C. Miller <Todd.Miller@sudo.ws> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# @configure_input@ +# + +#### Start of system configuration section. #### + +srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +top_srcdir = @top_srcdir@ +abs_top_srcdir = @abs_top_srcdir@ +top_builddir = @top_builddir@ +abs_top_builddir = @abs_top_builddir@ +scriptdir = $(top_srcdir)/scripts +cross_compiling = @CROSS_COMPILING@ + +# Where to install things... +prefix = @prefix@ +exec_prefix = @exec_prefix@ +bindir = @bindir@ +sbindir = @sbindir@ +sysconfdir = @sysconfdir@ +adminconfdir = @adminconfdir@ +libexecdir = @libexecdir@ +datarootdir = @datarootdir@ +localstatedir = @localstatedir@ + +# File extension, mode and map file to use for shared libraries/objects +shlib_enable = @SHLIB_ENABLE@ +shlib_mode = @SHLIB_MODE@ +shlib_exp = $(srcdir)/zlib.exp +shlib_map = zlib.map +shlib_opt = zlib.opt + +# Compiler & tools to use +CC = @CC@ +LIBTOOL = @LIBTOOL@ +SED = @SED@ +AWK = @AWK@ + +# Our install program supports extra flags... +INSTALL = $(SHELL) $(scriptdir)/install-sh -c +INSTALL_OWNER = -o $(install_uid) -g $(install_gid) +INSTALL_BACKUP = @INSTALL_BACKUP@ + +# C preprocessor flags +CPPFLAGS = -I. -I$(srcdir) + +# Usually -O and/or -g +CFLAGS = @CFLAGS@ + +# Flags to pass to the link stage +LDFLAGS = +LT_LDFLAGS = @ZLIB_LDFLAGS@ @LT_LDFLAGS@ @LT_LDEXPORTS@ + +# Flags to pass to libtool +LTFLAGS = + +# Address sanitizer flags +ASAN_CFLAGS = @ASAN_CFLAGS@ +ASAN_LDFLAGS = @ASAN_LDFLAGS@ + +# PIE flags +PIE_CFLAGS = @PIE_CFLAGS@ +PIE_LDFLAGS = @PIE_LDFLAGS@ + +# Stack smashing protection flags +HARDENING_CFLAGS = @HARDENING_CFLAGS@ +HARDENING_LDFLAGS = @HARDENING_LDFLAGS@ + +# Libtool style shared library version +SHLIB_VERSION = 0:0:0 + +# User and group ids the installed files should be "owned" by +install_uid = 0 +install_gid = 0 + +#### End of system configuration section. #### + +SHELL = @SHELL@ + +LTOBJS = adler32.lo compress.lo crc32.lo deflate.lo gzclose.lo gzlib.lo \ + gzread.lo gzwrite.lo infback.lo inffast.lo inflate.lo inftrees.lo \ + trees.lo uncompr.lo zutil.lo + +all: libsudo_z.la + +depend: + $(scriptdir)/mkdep.pl --srcdir=$(abs_top_srcdir) \ + --builddir=$(abs_top_builddir) lib/zlib/Makefile.in + cd $(top_builddir) && ./config.status --file lib/zlib/Makefile + +Makefile: $(srcdir)/Makefile.in + cd $(top_builddir) && ./config.status --file lib/zlib/Makefile + +.SUFFIXES: .c .h .lo + +.c.lo: + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $< + +$(shlib_map): $(shlib_exp) + @$(AWK) 'BEGIN { print "{\n\tglobal:" } { print "\t\t"$$0";" } END { print "\tlocal:\n\t\t*;\n};" }' $(shlib_exp) > $@ + +$(shlib_opt): $(shlib_exp) + @$(SED) 's/^/+e /' $(shlib_exp) > $@ + +libsudo_z.la: $(LTOBJS) @LT_LDDEP@ + case "$(LT_LDFLAGS)" in \ + *-no-install*) \ + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LDFLAGS) $(LT_LDFLAGS) $(LTOBJS);; \ + *) \ + $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(LDFLAGS) $(ASAN_LDFLAGS) $(HARDENING_LDFLAGS) $(LT_LDFLAGS) $(LTOBJS) -version-info $(SHLIB_VERSION) -rpath $(libexecdir)/sudo;; \ + esac + +pre-install: + +install: + case "$(LT_LDFLAGS)" in \ + *-no-install*) ;; \ + *) if [ X"$(shlib_enable)" = X"yes" ]; then \ + INSTALL_BACKUP='$(INSTALL_BACKUP)' $(LIBTOOL) $(LTFLAGS) --quiet --mode=install $(INSTALL) $(INSTALL_OWNER) libsudo_z.la $(DESTDIR)$(libexecdir)/sudo; \ + fi;; \ + esac + +install-dirs: + +install-binaries: + +install-includes: + +install-doc: + +install-plugin: + +install-fuzzer: + +uninstall: + $(LIBTOOL) $(LTFLAGS) --mode=uninstall rm -f $(DESTDIR)$(libexecdir)/sudo/libsudo_z.la + -test -z "$(INSTALL_BACKUP)" || \ + rm -f $(DESTDIR)$(libexecdir)/sudo/libsudo_z.*~ + +splint: + +cppcheck: + +pvs-log-files: + +pvs-studio: + +fuzz: + +check-fuzzer: + +check: check-fuzzer + +check-verbose: check + +clean: + -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la + -rm -f stamp-* core *.core core.* + +mostlyclean: clean + +distclean: clean + -rm -rf Makefile .libs zconf.h + +clobber: distclean + +realclean: distclean + rm -f TAGS tags + +cleandir: realclean + +.PHONY: clean mostlyclean distclean cleandir clobber realclean + +# Autogenerated dependencies, do not modify +adler32.lo: $(srcdir)/adler32.c $(srcdir)/zlib.h $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/adler32.c +compress.lo: $(srcdir)/compress.c $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/compress.c +crc32.lo: $(srcdir)/crc32.c $(srcdir)/crc32.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/crc32.c +deflate.lo: $(srcdir)/deflate.c $(srcdir)/deflate.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/deflate.c +gzclose.lo: $(srcdir)/gzclose.c $(srcdir)/gzguts.h $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/gzclose.c +gzlib.lo: $(srcdir)/gzlib.c $(srcdir)/gzguts.h $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/gzlib.c +gzread.lo: $(srcdir)/gzread.c $(srcdir)/gzguts.h $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/gzread.c +gzwrite.lo: $(srcdir)/gzwrite.c $(srcdir)/gzguts.h $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/gzwrite.c +infback.lo: $(srcdir)/infback.c $(srcdir)/inffast.h $(srcdir)/inffixed.h \ + $(srcdir)/inflate.h $(srcdir)/inftrees.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/infback.c +inffast.lo: $(srcdir)/inffast.c $(srcdir)/inffast.h $(srcdir)/inflate.h \ + $(srcdir)/inftrees.h $(srcdir)/zlib.h $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/inffast.c +inflate.lo: $(srcdir)/inflate.c $(srcdir)/inffast.h $(srcdir)/inffixed.h \ + $(srcdir)/inflate.h $(srcdir)/inftrees.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/inflate.c +inftrees.lo: $(srcdir)/inftrees.c $(srcdir)/inftrees.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/inftrees.c +trees.lo: $(srcdir)/trees.c $(srcdir)/deflate.h $(srcdir)/trees.h \ + $(srcdir)/zlib.h $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/trees.c +uncompr.lo: $(srcdir)/uncompr.c $(srcdir)/zlib.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/uncompr.c +zutil.lo: $(srcdir)/zutil.c $(srcdir)/gzguts.h $(srcdir)/zlib.h \ + $(srcdir)/zutil.h ./zconf.h + $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/zutil.c diff --git a/lib/zlib/adler32.c b/lib/zlib/adler32.c new file mode 100644 index 0000000..04b81d2 --- /dev/null +++ b/lib/zlib/adler32.c @@ -0,0 +1,164 @@ +/* adler32.c -- compute the Adler-32 checksum of a data stream + * Copyright (C) 1995-2011, 2016 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zutil.h" + +#define BASE 65521U /* largest prime smaller than 65536 */ +#define NMAX 5552 +/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ + +#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;} +#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1); +#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2); +#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); +#define DO16(buf) DO8(buf,0); DO8(buf,8); + +/* use NO_DIVIDE if your processor does not do division in hardware -- + try it both ways to see which is faster */ +#ifdef NO_DIVIDE +/* note that this assumes BASE is 65521, where 65536 % 65521 == 15 + (thank you to John Reiser for pointing this out) */ +# define CHOP(a) \ + do { \ + unsigned long tmp = a >> 16; \ + a &= 0xffffUL; \ + a += (tmp << 4) - tmp; \ + } while (0) +# define MOD28(a) \ + do { \ + CHOP(a); \ + if (a >= BASE) a -= BASE; \ + } while (0) +# define MOD(a) \ + do { \ + CHOP(a); \ + MOD28(a); \ + } while (0) +# define MOD63(a) \ + do { /* this assumes a is not negative */ \ + z_off64_t tmp = a >> 32; \ + a &= 0xffffffffL; \ + a += (tmp << 8) - (tmp << 5) + tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ + tmp = a >> 16; \ + a &= 0xffffL; \ + a += (tmp << 4) - tmp; \ + if (a >= BASE) a -= BASE; \ + } while (0) +#else +# define MOD(a) a %= BASE +# define MOD28(a) a %= BASE +# define MOD63(a) a %= BASE +#endif + +/* ========================================================================= */ +uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) { + unsigned long sum2; + unsigned n; + + /* split Adler-32 into component sums */ + sum2 = (adler >> 16) & 0xffff; + adler &= 0xffff; + + /* in case user likes doing a byte at a time, keep it fast */ + if (len == 1) { + adler += buf[0]; + if (adler >= BASE) + adler -= BASE; + sum2 += adler; + if (sum2 >= BASE) + sum2 -= BASE; + return adler | (sum2 << 16); + } + + /* initial Adler-32 value (deferred check for len == 1 speed) */ + if (buf == Z_NULL) + return 1L; + + /* in case short lengths are provided, keep it somewhat fast */ + if (len < 16) { + while (len--) { + adler += *buf++; + sum2 += adler; + } + if (adler >= BASE) + adler -= BASE; + MOD28(sum2); /* only added so many BASE's */ + return adler | (sum2 << 16); + } + + /* do length NMAX blocks -- requires just one modulo operation */ + while (len >= NMAX) { + len -= NMAX; + n = NMAX / 16; /* NMAX is divisible by 16 */ + do { + DO16(buf); /* 16 sums unrolled */ + buf += 16; + } while (--n); + MOD(adler); + MOD(sum2); + } + + /* do remaining bytes (less than NMAX, still just one modulo) */ + if (len) { /* avoid modulos if none remaining */ + while (len >= 16) { + len -= 16; + DO16(buf); + buf += 16; + } + while (len--) { + adler += *buf++; + sum2 += adler; + } + MOD(adler); + MOD(sum2); + } + + /* return recombined sums */ + return adler | (sum2 << 16); +} + +/* ========================================================================= */ +uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) { + return adler32_z(adler, buf, len); +} + +/* ========================================================================= */ +local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) { + unsigned long sum1; + unsigned long sum2; + unsigned rem; + + /* for negative len, return invalid adler32 as a clue for debugging */ + if (len2 < 0) + return 0xffffffffUL; + + /* the derivation of this formula is left as an exercise for the reader */ + MOD63(len2); /* assumes len2 >= 0 */ + rem = (unsigned)len2; + sum1 = adler1 & 0xffff; + sum2 = rem * sum1; + MOD(sum2); + sum1 += (adler2 & 0xffff) + BASE - 1; + sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; + if (sum1 >= BASE) sum1 -= BASE; + if (sum1 >= BASE) sum1 -= BASE; + if (sum2 >= ((unsigned long)BASE << 1)) sum2 -= ((unsigned long)BASE << 1); + if (sum2 >= BASE) sum2 -= BASE; + return sum1 | (sum2 << 16); +} + +/* ========================================================================= */ +uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) { + return adler32_combine_(adler1, adler2, len2); +} + +uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) { + return adler32_combine_(adler1, adler2, len2); +} diff --git a/lib/zlib/compress.c b/lib/zlib/compress.c new file mode 100644 index 0000000..f43bacf --- /dev/null +++ b/lib/zlib/compress.c @@ -0,0 +1,75 @@ +/* compress.c -- compress a memory buffer + * Copyright (C) 1995-2005, 2014, 2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#define ZLIB_INTERNAL +#include "zlib.h" + +/* =========================================================================== + Compresses the source buffer into the destination buffer. The level + parameter has the same meaning as in deflateInit. sourceLen is the byte + length of the source buffer. Upon entry, destLen is the total size of the + destination buffer, which must be at least 0.1% larger than sourceLen plus + 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. + + compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, + Z_STREAM_ERROR if the level parameter is invalid. +*/ +int ZEXPORT compress2(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong sourceLen, int level) { + z_stream stream; + int err; + const uInt max = (uInt)-1; + uLong left; + + left = *destLen; + *destLen = 0; + + stream.zalloc = (alloc_func)0; + stream.zfree = (free_func)0; + stream.opaque = (voidpf)0; + + err = deflateInit(&stream, level); + if (err != Z_OK) return err; + + stream.next_out = dest; + stream.avail_out = 0; + stream.next_in = (z_const Bytef *)source; + stream.avail_in = 0; + + do { + if (stream.avail_out == 0) { + stream.avail_out = left > (uLong)max ? max : (uInt)left; + left -= stream.avail_out; + } + if (stream.avail_in == 0) { + stream.avail_in = sourceLen > (uLong)max ? max : (uInt)sourceLen; + sourceLen -= stream.avail_in; + } + err = deflate(&stream, sourceLen ? Z_NO_FLUSH : Z_FINISH); + } while (err == Z_OK); + + *destLen = stream.total_out; + deflateEnd(&stream); + return err == Z_STREAM_END ? Z_OK : err; +} + +/* =========================================================================== + */ +int ZEXPORT compress(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong sourceLen) { + return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); +} + +/* =========================================================================== + If the default memLevel or windowBits for deflateInit() is changed, then + this function needs to be updated. + */ +uLong ZEXPORT compressBound(uLong sourceLen) { + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + + (sourceLen >> 25) + 13; +} diff --git a/lib/zlib/crc32.c b/lib/zlib/crc32.c new file mode 100644 index 0000000..6c38f5c --- /dev/null +++ b/lib/zlib/crc32.c @@ -0,0 +1,1049 @@ +/* crc32.c -- compute the CRC-32 of a data stream + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * + * This interleaved implementation of a CRC makes use of pipelined multiple + * arithmetic-logic units, commonly found in modern CPU cores. It is due to + * Kadatch and Jenkins (2010). See doc/crc-doc.1.0.pdf in this distribution. + */ + +/* @(#) $Id$ */ + +/* + Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore + protection on the static variables used to control the first-use generation + of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should + first call get_crc_table() to initialize the tables before allowing more than + one thread to use crc32(). + + MAKECRCH can be #defined to write out crc32.h. A main() routine is also + produced, so that this one source file can be compiled to an executable. + */ + +#ifdef MAKECRCH +# include <stdio.h> +# ifndef DYNAMIC_CRC_TABLE +# define DYNAMIC_CRC_TABLE +# endif /* !DYNAMIC_CRC_TABLE */ +#endif /* MAKECRCH */ + +#include "zutil.h" /* for Z_U4, Z_U8, z_crc_t, and FAR definitions */ + + /* + A CRC of a message is computed on N braids of words in the message, where + each word consists of W bytes (4 or 8). If N is 3, for example, then three + running sparse CRCs are calculated respectively on each braid, at these + indices in the array of words: 0, 3, 6, ..., 1, 4, 7, ..., and 2, 5, 8, ... + This is done starting at a word boundary, and continues until as many blocks + of N * W bytes as are available have been processed. The results are combined + into a single CRC at the end. For this code, N must be in the range 1..6 and + W must be 4 or 8. The upper limit on N can be increased if desired by adding + more #if blocks, extending the patterns apparent in the code. In addition, + crc32.h would need to be regenerated, if the maximum N value is increased. + + N and W are chosen empirically by benchmarking the execution time on a given + processor. The choices for N and W below were based on testing on Intel Kaby + Lake i7, AMD Ryzen 7, ARM Cortex-A57, Sparc64-VII, PowerPC POWER9, and MIPS64 + Octeon II processors. The Intel, AMD, and ARM processors were all fastest + with N=5, W=8. The Sparc, PowerPC, and MIPS64 were all fastest at N=5, W=4. + They were all tested with either gcc or clang, all using the -O3 optimization + level. Your mileage may vary. + */ + +/* Define N */ +#ifdef Z_TESTN +# define N Z_TESTN +#else +# define N 5 +#endif +#if N < 1 || N > 6 +# error N must be in 1..6 +#endif + +/* + z_crc_t must be at least 32 bits. z_word_t must be at least as long as + z_crc_t. It is assumed here that z_word_t is either 32 bits or 64 bits, and + that bytes are eight bits. + */ + +/* + Define W and the associated z_word_t type. If W is not defined, then a + braided calculation is not used, and the associated tables and code are not + compiled. + */ +#ifdef Z_TESTW +# if Z_TESTW-1 != -1 +# define W Z_TESTW +# endif +#else +# ifdef MAKECRCH +# define W 8 /* required for MAKECRCH */ +# else +# if defined(__x86_64__) || defined(__aarch64__) +# define W 8 +# else +# define W 4 +# endif +# endif +#endif +#ifdef W +# if W == 8 && defined(Z_U8) + typedef Z_U8 z_word_t; +# elif defined(Z_U4) +# undef W +# define W 4 + typedef Z_U4 z_word_t; +# else +# undef W +# endif +#endif + +/* If available, use the ARM processor CRC32 instruction. */ +#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8 +# define ARMCRC32 +#endif + +#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE)) +/* + Swap the bytes in a z_word_t to convert between little and big endian. Any + self-respecting compiler will optimize this to a single machine byte-swap + instruction, if one is available. This assumes that word_t is either 32 bits + or 64 bits. + */ +local z_word_t byte_swap(z_word_t word) { +# if W == 8 + return + (word & 0xff00000000000000) >> 56 | + (word & 0xff000000000000) >> 40 | + (word & 0xff0000000000) >> 24 | + (word & 0xff00000000) >> 8 | + (word & 0xff000000) << 8 | + (word & 0xff0000) << 24 | + (word & 0xff00) << 40 | + (word & 0xff) << 56; +# else /* W == 4 */ + return + (word & 0xff000000) >> 24 | + (word & 0xff0000) >> 8 | + (word & 0xff00) << 8 | + (word & 0xff) << 24; +# endif +} +#endif + +#ifdef DYNAMIC_CRC_TABLE +/* ========================================================================= + * Table of powers of x for combining CRC-32s, filled in by make_crc_table() + * below. + */ + local z_crc_t FAR x2n_table[32]; +#else +/* ========================================================================= + * Tables for byte-wise and braided CRC-32 calculations, and a table of powers + * of x for combining CRC-32s, all made by make_crc_table(). + */ +# include "crc32.h" +#endif + +/* CRC polynomial. */ +#define POLY 0xedb88320 /* p(x) reflected, with x^32 implied */ + +/* + Return a(x) multiplied by b(x) modulo p(x), where p(x) is the CRC polynomial, + reflected. For speed, this requires that a not be zero. + */ +local z_crc_t multmodp(z_crc_t a, z_crc_t b) { + z_crc_t m, p; + + m = (z_crc_t)1 << 31; + p = 0; + for (;;) { + if (a & m) { + p ^= b; + if ((a & (m - 1)) == 0) + break; + } + m >>= 1; + b = b & 1 ? (b >> 1) ^ POLY : b >> 1; + } + return p; +} + +/* + Return x^(n * 2^k) modulo p(x). Requires that x2n_table[] has been + initialized. + */ +local z_crc_t x2nmodp(z_off64_t n, unsigned k) { + z_crc_t p; + + p = (z_crc_t)1 << 31; /* x^0 == 1 */ + while (n) { + if (n & 1) + p = multmodp(x2n_table[k & 31], p); + n >>= 1; + k++; + } + return p; +} + +#ifdef DYNAMIC_CRC_TABLE +/* ========================================================================= + * Build the tables for byte-wise and braided CRC-32 calculations, and a table + * of powers of x for combining CRC-32s. + */ +local z_crc_t FAR crc_table[256]; +#ifdef W + local z_word_t FAR crc_big_table[256]; + local z_crc_t FAR crc_braid_table[W][256]; + local z_word_t FAR crc_braid_big_table[W][256]; + local void braid(z_crc_t [][256], z_word_t [][256], int, int); +#endif +#ifdef MAKECRCH + local void write_table(FILE *, const z_crc_t FAR *, int); + local void write_table32hi(FILE *, const z_word_t FAR *, int); + local void write_table64(FILE *, const z_word_t FAR *, int); +#endif /* MAKECRCH */ + +/* + Define a once() function depending on the availability of atomics. If this is + compiled with DYNAMIC_CRC_TABLE defined, and if CRCs will be computed in + multiple threads, and if atomics are not available, then get_crc_table() must + be called to initialize the tables and must return before any threads are + allowed to compute or combine CRCs. + */ + +/* Definition of once functionality. */ +typedef struct once_s once_t; + +/* Check for the availability of atomics. */ +#if defined(__STDC__) && __STDC_VERSION__ >= 201112L && \ + !defined(__STDC_NO_ATOMICS__) + +#include <stdatomic.h> + +/* Structure for once(), which must be initialized with ONCE_INIT. */ +struct once_s { + atomic_flag begun; + atomic_int done; +}; +#define ONCE_INIT {ATOMIC_FLAG_INIT, 0} + +/* + Run the provided init() function exactly once, even if multiple threads + invoke once() at the same time. The state must be a once_t initialized with + ONCE_INIT. + */ +local void once(once_t *state, void (*init)(void)) { + if (!atomic_load(&state->done)) { + if (atomic_flag_test_and_set(&state->begun)) + while (!atomic_load(&state->done)) + ; + else { + init(); + atomic_store(&state->done, 1); + } + } +} + +#else /* no atomics */ + +/* Structure for once(), which must be initialized with ONCE_INIT. */ +struct once_s { + volatile int begun; + volatile int done; +}; +#define ONCE_INIT {0, 0} + +/* Test and set. Alas, not atomic, but tries to minimize the period of + vulnerability. */ +local int test_and_set(int volatile *flag) { + int was; + + was = *flag; + *flag = 1; + return was; +} + +/* Run the provided init() function once. This is not thread-safe. */ +local void once(once_t *state, void (*init)(void)) { + if (!state->done) { + if (test_and_set(&state->begun)) + while (!state->done) + ; + else { + init(); + state->done = 1; + } + } +} + +#endif + +/* State for once(). */ +local once_t made = ONCE_INIT; + +/* + Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: + x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. + + Polynomials over GF(2) are represented in binary, one bit per coefficient, + with the lowest powers in the most significant bit. Then adding polynomials + is just exclusive-or, and multiplying a polynomial by x is a right shift by + one. If we call the above polynomial p, and represent a byte as the + polynomial q, also with the lowest power in the most significant bit (so the + byte 0xb1 is the polynomial x^7+x^3+x^2+1), then the CRC is (q*x^32) mod p, + where a mod b means the remainder after dividing a by b. + + This calculation is done using the shift-register method of multiplying and + taking the remainder. The register is initialized to zero, and for each + incoming bit, x^32 is added mod p to the register if the bit is a one (where + x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by x + (which is shifting right by one and adding x^32 mod p if the bit shifted out + is a one). We start with the highest power (least significant bit) of q and + repeat for all eight bits of q. + + The table is simply the CRC of all possible eight bit values. This is all the + information needed to generate CRCs on data a byte at a time for all + combinations of CRC register values and incoming bytes. + */ + +local void make_crc_table(void) { + unsigned i, j, n; + z_crc_t p; + + /* initialize the CRC of bytes tables */ + for (i = 0; i < 256; i++) { + p = i; + for (j = 0; j < 8; j++) + p = p & 1 ? (p >> 1) ^ POLY : p >> 1; + crc_table[i] = p; +#ifdef W + crc_big_table[i] = byte_swap(p); +#endif + } + + /* initialize the x^2^n mod p(x) table */ + p = (z_crc_t)1 << 30; /* x^1 */ + x2n_table[0] = p; + for (n = 1; n < 32; n++) + x2n_table[n] = p = multmodp(p, p); + +#ifdef W + /* initialize the braiding tables -- needs x2n_table[] */ + braid(crc_braid_table, crc_braid_big_table, N, W); +#endif + +#ifdef MAKECRCH + { + /* + The crc32.h header file contains tables for both 32-bit and 64-bit + z_word_t's, and so requires a 64-bit type be available. In that case, + z_word_t must be defined to be 64-bits. This code then also generates + and writes out the tables for the case that z_word_t is 32 bits. + */ +#if !defined(W) || W != 8 +# error Need a 64-bit integer type in order to generate crc32.h. +#endif + FILE *out; + int k, n; + z_crc_t ltl[8][256]; + z_word_t big[8][256]; + + out = fopen("crc32.h", "w"); + if (out == NULL) return; + + /* write out little-endian CRC table to crc32.h */ + fprintf(out, + "/* crc32.h -- tables for rapid CRC calculation\n" + " * Generated automatically by crc32.c\n */\n" + "\n" + "local const z_crc_t FAR crc_table[] = {\n" + " "); + write_table(out, crc_table, 256); + fprintf(out, + "};\n"); + + /* write out big-endian CRC table for 64-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#ifdef W\n" + "\n" + "#if W == 8\n" + "\n" + "local const z_word_t FAR crc_big_table[] = {\n" + " "); + write_table64(out, crc_big_table, 256); + fprintf(out, + "};\n"); + + /* write out big-endian CRC table for 32-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#else /* W == 4 */\n" + "\n" + "local const z_word_t FAR crc_big_table[] = {\n" + " "); + write_table32hi(out, crc_big_table, 256); + fprintf(out, + "};\n" + "\n" + "#endif\n"); + + /* write out braid tables for each value of N */ + for (n = 1; n <= 6; n++) { + fprintf(out, + "\n" + "#if N == %d\n", n); + + /* compute braid tables for this N and 64-bit word_t */ + braid(ltl, big, n, 8); + + /* write out braid tables for 64-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#if W == 8\n" + "\n" + "local const z_crc_t FAR crc_braid_table[][256] = {\n"); + for (k = 0; k < 8; k++) { + fprintf(out, " {"); + write_table(out, ltl[k], 256); + fprintf(out, "}%s", k < 7 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "local const z_word_t FAR crc_braid_big_table[][256] = {\n"); + for (k = 0; k < 8; k++) { + fprintf(out, " {"); + write_table64(out, big[k], 256); + fprintf(out, "}%s", k < 7 ? ",\n" : ""); + } + fprintf(out, + "};\n"); + + /* compute braid tables for this N and 32-bit word_t */ + braid(ltl, big, n, 4); + + /* write out braid tables for 32-bit z_word_t to crc32.h */ + fprintf(out, + "\n" + "#else /* W == 4 */\n" + "\n" + "local const z_crc_t FAR crc_braid_table[][256] = {\n"); + for (k = 0; k < 4; k++) { + fprintf(out, " {"); + write_table(out, ltl[k], 256); + fprintf(out, "}%s", k < 3 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "local const z_word_t FAR crc_braid_big_table[][256] = {\n"); + for (k = 0; k < 4; k++) { + fprintf(out, " {"); + write_table32hi(out, big[k], 256); + fprintf(out, "}%s", k < 3 ? ",\n" : ""); + } + fprintf(out, + "};\n" + "\n" + "#endif\n" + "\n" + "#endif\n"); + } + fprintf(out, + "\n" + "#endif\n"); + + /* write out zeros operator table to crc32.h */ + fprintf(out, + "\n" + "local const z_crc_t FAR x2n_table[] = {\n" + " "); + write_table(out, x2n_table, 32); + fprintf(out, + "};\n"); + fclose(out); + } +#endif /* MAKECRCH */ +} + +#ifdef MAKECRCH + +/* + Write the 32-bit values in table[0..k-1] to out, five per line in + hexadecimal separated by commas. + */ +local void write_table(FILE *out, const z_crc_t FAR *table, int k) { + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%08lx%s", n == 0 || n % 5 ? "" : " ", + (unsigned long)(table[n]), + n == k - 1 ? "" : (n % 5 == 4 ? ",\n" : ", ")); +} + +/* + Write the high 32-bits of each value in table[0..k-1] to out, five per line + in hexadecimal separated by commas. + */ +local void write_table32hi(FILE *out, const z_word_t FAR *table, int k) { + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%08lx%s", n == 0 || n % 5 ? "" : " ", + (unsigned long)(table[n] >> 32), + n == k - 1 ? "" : (n % 5 == 4 ? ",\n" : ", ")); +} + +/* + Write the 64-bit values in table[0..k-1] to out, three per line in + hexadecimal separated by commas. This assumes that if there is a 64-bit + type, then there is also a long long integer type, and it is at least 64 + bits. If not, then the type cast and format string can be adjusted + accordingly. + */ +local void write_table64(FILE *out, const z_word_t FAR *table, int k) { + int n; + + for (n = 0; n < k; n++) + fprintf(out, "%s0x%016llx%s", n == 0 || n % 3 ? "" : " ", + (unsigned long long)(table[n]), + n == k - 1 ? "" : (n % 3 == 2 ? ",\n" : ", ")); +} + +/* Actually do the deed. */ +int main(void) { + make_crc_table(); + return 0; +} + +#endif /* MAKECRCH */ + +#ifdef W +/* + Generate the little and big-endian braid tables for the given n and z_word_t + size w. Each array must have room for w blocks of 256 elements. + */ +local void braid(z_crc_t ltl[][256], z_word_t big[][256], int n, int w) { + int k; + z_crc_t i, p, q; + for (k = 0; k < w; k++) { + p = x2nmodp((n * w + 3 - k) << 3, 0); + ltl[k][0] = 0; + big[w - 1 - k][0] = 0; + for (i = 1; i < 256; i++) { + ltl[k][i] = q = multmodp(i << 24, p); + big[w - 1 - k][i] = byte_swap(q); + } + } +} +#endif + +#endif /* DYNAMIC_CRC_TABLE */ + +/* ========================================================================= + * This function can be used by asm versions of crc32(), and to force the + * generation of the CRC tables in a threaded application. + */ +const z_crc_t FAR * ZEXPORT get_crc_table(void) { +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return (const z_crc_t FAR *)crc_table; +} + +/* ========================================================================= + * Use ARM machine instructions if available. This will compute the CRC about + * ten times faster than the braided calculation. This code does not check for + * the presence of the CRC instruction at run time. __ARM_FEATURE_CRC32 will + * only be defined if the compilation specifies an ARM processor architecture + * that has the instructions. For example, compiling with -march=armv8.1-a or + * -march=armv8-a+crc, or -march=native if the compile machine has the crc32 + * instructions. + */ +#ifdef ARMCRC32 + +/* + Constants empirically determined to maximize speed. These values are from + measurements on a Cortex-A57. Your mileage may vary. + */ +#define Z_BATCH 3990 /* number of words in a batch */ +#define Z_BATCH_ZEROS 0xa10d3d0c /* computed from Z_BATCH = 3990 */ +#define Z_BATCH_MIN 800 /* fewest words in a final batch */ + +unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf, + z_size_t len) { + z_crc_t val; + z_word_t crc1, crc2; + const z_word_t *word; + z_word_t val0, val1, val2; + z_size_t last, last2, i; + z_size_t num; + + /* Return initial CRC, if requested. */ + if (buf == Z_NULL) return 0; + +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + + /* Pre-condition the CRC */ + crc = (~crc) & 0xffffffff; + + /* Compute the CRC up to a word boundary. */ + while (len && ((z_size_t)buf & 7) != 0) { + len--; + val = *buf++; + __asm__ volatile("crc32b %w0, %w0, %w1" : "+r"(crc) : "r"(val)); + } + + /* Prepare to compute the CRC on full 64-bit words word[0..num-1]. */ + word = (z_word_t const *)buf; + num = len >> 3; + len &= 7; + + /* Do three interleaved CRCs to realize the throughput of one crc32x + instruction per cycle. Each CRC is calculated on Z_BATCH words. The + three CRCs are combined into a single CRC after each set of batches. */ + while (num >= 3 * Z_BATCH) { + crc1 = 0; + crc2 = 0; + for (i = 0; i < Z_BATCH; i++) { + val0 = word[i]; + val1 = word[i + Z_BATCH]; + val2 = word[i + 2 * Z_BATCH]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc1) : "r"(val1)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc2) : "r"(val2)); + } + word += 3 * Z_BATCH; + num -= 3 * Z_BATCH; + crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc1; + crc = multmodp(Z_BATCH_ZEROS, crc) ^ crc2; + } + + /* Do one last smaller batch with the remaining words, if there are enough + to pay for the combination of CRCs. */ + last = num / 3; + if (last >= Z_BATCH_MIN) { + last2 = last << 1; + crc1 = 0; + crc2 = 0; + for (i = 0; i < last; i++) { + val0 = word[i]; + val1 = word[i + last]; + val2 = word[i + last2]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc1) : "r"(val1)); + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc2) : "r"(val2)); + } + word += 3 * last; + num -= 3 * last; + val = x2nmodp(last, 6); + crc = multmodp(val, crc) ^ crc1; + crc = multmodp(val, crc) ^ crc2; + } + + /* Compute the CRC on any remaining words. */ + for (i = 0; i < num; i++) { + val0 = word[i]; + __asm__ volatile("crc32x %w0, %w0, %x1" : "+r"(crc) : "r"(val0)); + } + word += num; + + /* Complete the CRC on any remaining bytes. */ + buf = (const unsigned char FAR *)word; + while (len) { + len--; + val = *buf++; + __asm__ volatile("crc32b %w0, %w0, %w1" : "+r"(crc) : "r"(val)); + } + + /* Return the CRC, post-conditioned. */ + return crc ^ 0xffffffff; +} + +#else + +#ifdef W + +/* + Return the CRC of the W bytes in the word_t data, taking the + least-significant byte of the word as the first byte of data, without any pre + or post conditioning. This is used to combine the CRCs of each braid. + */ +local z_crc_t crc_word(z_word_t data) { + int k; + for (k = 0; k < W; k++) + data = (data >> 8) ^ crc_table[data & 0xff]; + return (z_crc_t)data; +} + +local z_word_t crc_word_big(z_word_t data) { + int k; + for (k = 0; k < W; k++) + data = (data << 8) ^ + crc_big_table[(data >> ((W - 1) << 3)) & 0xff]; + return data; +} + +#endif + +/* ========================================================================= */ +unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf, + z_size_t len) { + /* Return initial CRC, if requested. */ + if (buf == Z_NULL) return 0; + +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + + /* Pre-condition the CRC */ + crc = (~crc) & 0xffffffff; + +#ifdef W + + /* If provided enough bytes, do a braided CRC calculation. */ + if (len >= N * W + W - 1) { + z_size_t blks; + z_word_t const *words; + unsigned endian; + int k; + + /* Compute the CRC up to a z_word_t boundary. */ + while (len && ((z_size_t)buf & (W - 1)) != 0) { + len--; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + + /* Compute the CRC on as many N z_word_t blocks as are available. */ + blks = len / (N * W); + len -= blks * N * W; + words = (z_word_t const *)buf; + + /* Do endian check at execution time instead of compile time, since ARM + processors can change the endianness at execution time. If the + compiler knows what the endianness will be, it can optimize out the + check and the unused branch. */ + endian = 1; + if (*(unsigned char *)&endian) { + /* Little endian. */ + + z_crc_t crc0; + z_word_t word0; +#if N > 1 + z_crc_t crc1; + z_word_t word1; +#if N > 2 + z_crc_t crc2; + z_word_t word2; +#if N > 3 + z_crc_t crc3; + z_word_t word3; +#if N > 4 + z_crc_t crc4; + z_word_t word4; +#if N > 5 + z_crc_t crc5; + z_word_t word5; +#endif +#endif +#endif +#endif +#endif + + /* Initialize the CRC for each braid. */ + crc0 = crc; +#if N > 1 + crc1 = 0; +#if N > 2 + crc2 = 0; +#if N > 3 + crc3 = 0; +#if N > 4 + crc4 = 0; +#if N > 5 + crc5 = 0; +#endif +#endif +#endif +#endif +#endif + + /* + Process the first blks-1 blocks, computing the CRCs on each braid + independently. + */ + while (--blks) { + /* Load the word for each braid into registers. */ + word0 = crc0 ^ words[0]; +#if N > 1 + word1 = crc1 ^ words[1]; +#if N > 2 + word2 = crc2 ^ words[2]; +#if N > 3 + word3 = crc3 ^ words[3]; +#if N > 4 + word4 = crc4 ^ words[4]; +#if N > 5 + word5 = crc5 ^ words[5]; +#endif +#endif +#endif +#endif +#endif + words += N; + + /* Compute and update the CRC for each word. The loop should + get unrolled. */ + crc0 = crc_braid_table[0][word0 & 0xff]; +#if N > 1 + crc1 = crc_braid_table[0][word1 & 0xff]; +#if N > 2 + crc2 = crc_braid_table[0][word2 & 0xff]; +#if N > 3 + crc3 = crc_braid_table[0][word3 & 0xff]; +#if N > 4 + crc4 = crc_braid_table[0][word4 & 0xff]; +#if N > 5 + crc5 = crc_braid_table[0][word5 & 0xff]; +#endif +#endif +#endif +#endif +#endif + for (k = 1; k < W; k++) { + crc0 ^= crc_braid_table[k][(word0 >> (k << 3)) & 0xff]; +#if N > 1 + crc1 ^= crc_braid_table[k][(word1 >> (k << 3)) & 0xff]; +#if N > 2 + crc2 ^= crc_braid_table[k][(word2 >> (k << 3)) & 0xff]; +#if N > 3 + crc3 ^= crc_braid_table[k][(word3 >> (k << 3)) & 0xff]; +#if N > 4 + crc4 ^= crc_braid_table[k][(word4 >> (k << 3)) & 0xff]; +#if N > 5 + crc5 ^= crc_braid_table[k][(word5 >> (k << 3)) & 0xff]; +#endif +#endif +#endif +#endif +#endif + } + } + + /* + Process the last block, combining the CRCs of the N braids at the + same time. + */ + crc = crc_word(crc0 ^ words[0]); +#if N > 1 + crc = crc_word(crc1 ^ words[1] ^ crc); +#if N > 2 + crc = crc_word(crc2 ^ words[2] ^ crc); +#if N > 3 + crc = crc_word(crc3 ^ words[3] ^ crc); +#if N > 4 + crc = crc_word(crc4 ^ words[4] ^ crc); +#if N > 5 + crc = crc_word(crc5 ^ words[5] ^ crc); +#endif +#endif +#endif +#endif +#endif + words += N; + } + else { + /* Big endian. */ + + z_word_t crc0, word0, comb; +#if N > 1 + z_word_t crc1, word1; +#if N > 2 + z_word_t crc2, word2; +#if N > 3 + z_word_t crc3, word3; +#if N > 4 + z_word_t crc4, word4; +#if N > 5 + z_word_t crc5, word5; +#endif +#endif +#endif +#endif +#endif + + /* Initialize the CRC for each braid. */ + crc0 = byte_swap(crc); +#if N > 1 + crc1 = 0; +#if N > 2 + crc2 = 0; +#if N > 3 + crc3 = 0; +#if N > 4 + crc4 = 0; +#if N > 5 + crc5 = 0; +#endif +#endif +#endif +#endif +#endif + + /* + Process the first blks-1 blocks, computing the CRCs on each braid + independently. + */ + while (--blks) { + /* Load the word for each braid into registers. */ + word0 = crc0 ^ words[0]; +#if N > 1 + word1 = crc1 ^ words[1]; +#if N > 2 + word2 = crc2 ^ words[2]; +#if N > 3 + word3 = crc3 ^ words[3]; +#if N > 4 + word4 = crc4 ^ words[4]; +#if N > 5 + word5 = crc5 ^ words[5]; +#endif +#endif +#endif +#endif +#endif + words += N; + + /* Compute and update the CRC for each word. The loop should + get unrolled. */ + crc0 = crc_braid_big_table[0][word0 & 0xff]; +#if N > 1 + crc1 = crc_braid_big_table[0][word1 & 0xff]; +#if N > 2 + crc2 = crc_braid_big_table[0][word2 & 0xff]; +#if N > 3 + crc3 = crc_braid_big_table[0][word3 & 0xff]; +#if N > 4 + crc4 = crc_braid_big_table[0][word4 & 0xff]; +#if N > 5 + crc5 = crc_braid_big_table[0][word5 & 0xff]; +#endif +#endif +#endif +#endif +#endif + for (k = 1; k < W; k++) { + crc0 ^= crc_braid_big_table[k][(word0 >> (k << 3)) & 0xff]; +#if N > 1 + crc1 ^= crc_braid_big_table[k][(word1 >> (k << 3)) & 0xff]; +#if N > 2 + crc2 ^= crc_braid_big_table[k][(word2 >> (k << 3)) & 0xff]; +#if N > 3 + crc3 ^= crc_braid_big_table[k][(word3 >> (k << 3)) & 0xff]; +#if N > 4 + crc4 ^= crc_braid_big_table[k][(word4 >> (k << 3)) & 0xff]; +#if N > 5 + crc5 ^= crc_braid_big_table[k][(word5 >> (k << 3)) & 0xff]; +#endif +#endif +#endif +#endif +#endif + } + } + + /* + Process the last block, combining the CRCs of the N braids at the + same time. + */ + comb = crc_word_big(crc0 ^ words[0]); +#if N > 1 + comb = crc_word_big(crc1 ^ words[1] ^ comb); +#if N > 2 + comb = crc_word_big(crc2 ^ words[2] ^ comb); +#if N > 3 + comb = crc_word_big(crc3 ^ words[3] ^ comb); +#if N > 4 + comb = crc_word_big(crc4 ^ words[4] ^ comb); +#if N > 5 + comb = crc_word_big(crc5 ^ words[5] ^ comb); +#endif +#endif +#endif +#endif +#endif + words += N; + crc = byte_swap(comb); + } + + /* + Update the pointer to the remaining bytes to process. + */ + buf = (unsigned char const *)words; + } + +#endif /* W */ + + /* Complete the computation of the CRC on any remaining bytes. */ + while (len >= 8) { + len -= 8; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + while (len) { + len--; + crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff]; + } + + /* Return the CRC, post-conditioned. */ + return crc ^ 0xffffffff; +} + +#endif + +/* ========================================================================= */ +unsigned long ZEXPORT crc32(unsigned long crc, const unsigned char FAR *buf, + uInt len) { + return crc32_z(crc, buf, len); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine64(uLong crc1, uLong crc2, z_off64_t len2) { +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine(uLong crc1, uLong crc2, z_off_t len2) { + return crc32_combine64(crc1, crc2, (z_off64_t)len2); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_gen64(z_off64_t len2) { +#ifdef DYNAMIC_CRC_TABLE + once(&made, make_crc_table); +#endif /* DYNAMIC_CRC_TABLE */ + return x2nmodp(len2, 3); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_gen(z_off_t len2) { + return crc32_combine_gen64((z_off64_t)len2); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op) { + return multmodp(op, crc1) ^ (crc2 & 0xffffffff); +} diff --git a/lib/zlib/crc32.h b/lib/zlib/crc32.h new file mode 100644 index 0000000..137df68 --- /dev/null +++ b/lib/zlib/crc32.h @@ -0,0 +1,9446 @@ +/* crc32.h -- tables for rapid CRC calculation + * Generated automatically by crc32.c + */ + +local const z_crc_t FAR crc_table[] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}; + +#ifdef W + +#if W == 8 + +local const z_word_t FAR crc_big_table[] = { + 0x0000000000000000, 0x9630077700000000, 0x2c610eee00000000, + 0xba51099900000000, 0x19c46d0700000000, 0x8ff46a7000000000, + 0x35a563e900000000, 0xa395649e00000000, 0x3288db0e00000000, + 0xa4b8dc7900000000, 0x1ee9d5e000000000, 0x88d9d29700000000, + 0x2b4cb60900000000, 0xbd7cb17e00000000, 0x072db8e700000000, + 0x911dbf9000000000, 0x6410b71d00000000, 0xf220b06a00000000, + 0x4871b9f300000000, 0xde41be8400000000, 0x7dd4da1a00000000, + 0xebe4dd6d00000000, 0x51b5d4f400000000, 0xc785d38300000000, + 0x56986c1300000000, 0xc0a86b6400000000, 0x7af962fd00000000, + 0xecc9658a00000000, 0x4f5c011400000000, 0xd96c066300000000, + 0x633d0ffa00000000, 0xf50d088d00000000, 0xc8206e3b00000000, + 0x5e10694c00000000, 0xe44160d500000000, 0x727167a200000000, + 0xd1e4033c00000000, 0x47d4044b00000000, 0xfd850dd200000000, + 0x6bb50aa500000000, 0xfaa8b53500000000, 0x6c98b24200000000, + 0xd6c9bbdb00000000, 0x40f9bcac00000000, 0xe36cd83200000000, + 0x755cdf4500000000, 0xcf0dd6dc00000000, 0x593dd1ab00000000, + 0xac30d92600000000, 0x3a00de5100000000, 0x8051d7c800000000, + 0x1661d0bf00000000, 0xb5f4b42100000000, 0x23c4b35600000000, + 0x9995bacf00000000, 0x0fa5bdb800000000, 0x9eb8022800000000, + 0x0888055f00000000, 0xb2d90cc600000000, 0x24e90bb100000000, + 0x877c6f2f00000000, 0x114c685800000000, 0xab1d61c100000000, + 0x3d2d66b600000000, 0x9041dc7600000000, 0x0671db0100000000, + 0xbc20d29800000000, 0x2a10d5ef00000000, 0x8985b17100000000, + 0x1fb5b60600000000, 0xa5e4bf9f00000000, 0x33d4b8e800000000, + 0xa2c9077800000000, 0x34f9000f00000000, 0x8ea8099600000000, + 0x18980ee100000000, 0xbb0d6a7f00000000, 0x2d3d6d0800000000, + 0x976c649100000000, 0x015c63e600000000, 0xf4516b6b00000000, + 0x62616c1c00000000, 0xd830658500000000, 0x4e0062f200000000, + 0xed95066c00000000, 0x7ba5011b00000000, 0xc1f4088200000000, + 0x57c40ff500000000, 0xc6d9b06500000000, 0x50e9b71200000000, + 0xeab8be8b00000000, 0x7c88b9fc00000000, 0xdf1ddd6200000000, + 0x492dda1500000000, 0xf37cd38c00000000, 0x654cd4fb00000000, + 0x5861b24d00000000, 0xce51b53a00000000, 0x7400bca300000000, + 0xe230bbd400000000, 0x41a5df4a00000000, 0xd795d83d00000000, + 0x6dc4d1a400000000, 0xfbf4d6d300000000, 0x6ae9694300000000, + 0xfcd96e3400000000, 0x468867ad00000000, 0xd0b860da00000000, + 0x732d044400000000, 0xe51d033300000000, 0x5f4c0aaa00000000, + 0xc97c0ddd00000000, 0x3c71055000000000, 0xaa41022700000000, + 0x10100bbe00000000, 0x86200cc900000000, 0x25b5685700000000, + 0xb3856f2000000000, 0x09d466b900000000, 0x9fe461ce00000000, + 0x0ef9de5e00000000, 0x98c9d92900000000, 0x2298d0b000000000, + 0xb4a8d7c700000000, 0x173db35900000000, 0x810db42e00000000, + 0x3b5cbdb700000000, 0xad6cbac000000000, 0x2083b8ed00000000, + 0xb6b3bf9a00000000, 0x0ce2b60300000000, 0x9ad2b17400000000, + 0x3947d5ea00000000, 0xaf77d29d00000000, 0x1526db0400000000, + 0x8316dc7300000000, 0x120b63e300000000, 0x843b649400000000, + 0x3e6a6d0d00000000, 0xa85a6a7a00000000, 0x0bcf0ee400000000, + 0x9dff099300000000, 0x27ae000a00000000, 0xb19e077d00000000, + 0x44930ff000000000, 0xd2a3088700000000, 0x68f2011e00000000, + 0xfec2066900000000, 0x5d5762f700000000, 0xcb67658000000000, + 0x71366c1900000000, 0xe7066b6e00000000, 0x761bd4fe00000000, + 0xe02bd38900000000, 0x5a7ada1000000000, 0xcc4add6700000000, + 0x6fdfb9f900000000, 0xf9efbe8e00000000, 0x43beb71700000000, + 0xd58eb06000000000, 0xe8a3d6d600000000, 0x7e93d1a100000000, + 0xc4c2d83800000000, 0x52f2df4f00000000, 0xf167bbd100000000, + 0x6757bca600000000, 0xdd06b53f00000000, 0x4b36b24800000000, + 0xda2b0dd800000000, 0x4c1b0aaf00000000, 0xf64a033600000000, + 0x607a044100000000, 0xc3ef60df00000000, 0x55df67a800000000, + 0xef8e6e3100000000, 0x79be694600000000, 0x8cb361cb00000000, + 0x1a8366bc00000000, 0xa0d26f2500000000, 0x36e2685200000000, + 0x95770ccc00000000, 0x03470bbb00000000, 0xb916022200000000, + 0x2f26055500000000, 0xbe3bbac500000000, 0x280bbdb200000000, + 0x925ab42b00000000, 0x046ab35c00000000, 0xa7ffd7c200000000, + 0x31cfd0b500000000, 0x8b9ed92c00000000, 0x1daede5b00000000, + 0xb0c2649b00000000, 0x26f263ec00000000, 0x9ca36a7500000000, + 0x0a936d0200000000, 0xa906099c00000000, 0x3f360eeb00000000, + 0x8567077200000000, 0x1357000500000000, 0x824abf9500000000, + 0x147ab8e200000000, 0xae2bb17b00000000, 0x381bb60c00000000, + 0x9b8ed29200000000, 0x0dbed5e500000000, 0xb7efdc7c00000000, + 0x21dfdb0b00000000, 0xd4d2d38600000000, 0x42e2d4f100000000, + 0xf8b3dd6800000000, 0x6e83da1f00000000, 0xcd16be8100000000, + 0x5b26b9f600000000, 0xe177b06f00000000, 0x7747b71800000000, + 0xe65a088800000000, 0x706a0fff00000000, 0xca3b066600000000, + 0x5c0b011100000000, 0xff9e658f00000000, 0x69ae62f800000000, + 0xd3ff6b6100000000, 0x45cf6c1600000000, 0x78e20aa000000000, + 0xeed20dd700000000, 0x5483044e00000000, 0xc2b3033900000000, + 0x612667a700000000, 0xf71660d000000000, 0x4d47694900000000, + 0xdb776e3e00000000, 0x4a6ad1ae00000000, 0xdc5ad6d900000000, + 0x660bdf4000000000, 0xf03bd83700000000, 0x53aebca900000000, + 0xc59ebbde00000000, 0x7fcfb24700000000, 0xe9ffb53000000000, + 0x1cf2bdbd00000000, 0x8ac2baca00000000, 0x3093b35300000000, + 0xa6a3b42400000000, 0x0536d0ba00000000, 0x9306d7cd00000000, + 0x2957de5400000000, 0xbf67d92300000000, 0x2e7a66b300000000, + 0xb84a61c400000000, 0x021b685d00000000, 0x942b6f2a00000000, + 0x37be0bb400000000, 0xa18e0cc300000000, 0x1bdf055a00000000, + 0x8def022d00000000}; + +#else /* W == 4 */ + +local const z_word_t FAR crc_big_table[] = { + 0x00000000, 0x96300777, 0x2c610eee, 0xba510999, 0x19c46d07, + 0x8ff46a70, 0x35a563e9, 0xa395649e, 0x3288db0e, 0xa4b8dc79, + 0x1ee9d5e0, 0x88d9d297, 0x2b4cb609, 0xbd7cb17e, 0x072db8e7, + 0x911dbf90, 0x6410b71d, 0xf220b06a, 0x4871b9f3, 0xde41be84, + 0x7dd4da1a, 0xebe4dd6d, 0x51b5d4f4, 0xc785d383, 0x56986c13, + 0xc0a86b64, 0x7af962fd, 0xecc9658a, 0x4f5c0114, 0xd96c0663, + 0x633d0ffa, 0xf50d088d, 0xc8206e3b, 0x5e10694c, 0xe44160d5, + 0x727167a2, 0xd1e4033c, 0x47d4044b, 0xfd850dd2, 0x6bb50aa5, + 0xfaa8b535, 0x6c98b242, 0xd6c9bbdb, 0x40f9bcac, 0xe36cd832, + 0x755cdf45, 0xcf0dd6dc, 0x593dd1ab, 0xac30d926, 0x3a00de51, + 0x8051d7c8, 0x1661d0bf, 0xb5f4b421, 0x23c4b356, 0x9995bacf, + 0x0fa5bdb8, 0x9eb80228, 0x0888055f, 0xb2d90cc6, 0x24e90bb1, + 0x877c6f2f, 0x114c6858, 0xab1d61c1, 0x3d2d66b6, 0x9041dc76, + 0x0671db01, 0xbc20d298, 0x2a10d5ef, 0x8985b171, 0x1fb5b606, + 0xa5e4bf9f, 0x33d4b8e8, 0xa2c90778, 0x34f9000f, 0x8ea80996, + 0x18980ee1, 0xbb0d6a7f, 0x2d3d6d08, 0x976c6491, 0x015c63e6, + 0xf4516b6b, 0x62616c1c, 0xd8306585, 0x4e0062f2, 0xed95066c, + 0x7ba5011b, 0xc1f40882, 0x57c40ff5, 0xc6d9b065, 0x50e9b712, + 0xeab8be8b, 0x7c88b9fc, 0xdf1ddd62, 0x492dda15, 0xf37cd38c, + 0x654cd4fb, 0x5861b24d, 0xce51b53a, 0x7400bca3, 0xe230bbd4, + 0x41a5df4a, 0xd795d83d, 0x6dc4d1a4, 0xfbf4d6d3, 0x6ae96943, + 0xfcd96e34, 0x468867ad, 0xd0b860da, 0x732d0444, 0xe51d0333, + 0x5f4c0aaa, 0xc97c0ddd, 0x3c710550, 0xaa410227, 0x10100bbe, + 0x86200cc9, 0x25b56857, 0xb3856f20, 0x09d466b9, 0x9fe461ce, + 0x0ef9de5e, 0x98c9d929, 0x2298d0b0, 0xb4a8d7c7, 0x173db359, + 0x810db42e, 0x3b5cbdb7, 0xad6cbac0, 0x2083b8ed, 0xb6b3bf9a, + 0x0ce2b603, 0x9ad2b174, 0x3947d5ea, 0xaf77d29d, 0x1526db04, + 0x8316dc73, 0x120b63e3, 0x843b6494, 0x3e6a6d0d, 0xa85a6a7a, + 0x0bcf0ee4, 0x9dff0993, 0x27ae000a, 0xb19e077d, 0x44930ff0, + 0xd2a30887, 0x68f2011e, 0xfec20669, 0x5d5762f7, 0xcb676580, + 0x71366c19, 0xe7066b6e, 0x761bd4fe, 0xe02bd389, 0x5a7ada10, + 0xcc4add67, 0x6fdfb9f9, 0xf9efbe8e, 0x43beb717, 0xd58eb060, + 0xe8a3d6d6, 0x7e93d1a1, 0xc4c2d838, 0x52f2df4f, 0xf167bbd1, + 0x6757bca6, 0xdd06b53f, 0x4b36b248, 0xda2b0dd8, 0x4c1b0aaf, + 0xf64a0336, 0x607a0441, 0xc3ef60df, 0x55df67a8, 0xef8e6e31, + 0x79be6946, 0x8cb361cb, 0x1a8366bc, 0xa0d26f25, 0x36e26852, + 0x95770ccc, 0x03470bbb, 0xb9160222, 0x2f260555, 0xbe3bbac5, + 0x280bbdb2, 0x925ab42b, 0x046ab35c, 0xa7ffd7c2, 0x31cfd0b5, + 0x8b9ed92c, 0x1daede5b, 0xb0c2649b, 0x26f263ec, 0x9ca36a75, + 0x0a936d02, 0xa906099c, 0x3f360eeb, 0x85670772, 0x13570005, + 0x824abf95, 0x147ab8e2, 0xae2bb17b, 0x381bb60c, 0x9b8ed292, + 0x0dbed5e5, 0xb7efdc7c, 0x21dfdb0b, 0xd4d2d386, 0x42e2d4f1, + 0xf8b3dd68, 0x6e83da1f, 0xcd16be81, 0x5b26b9f6, 0xe177b06f, + 0x7747b718, 0xe65a0888, 0x706a0fff, 0xca3b0666, 0x5c0b0111, + 0xff9e658f, 0x69ae62f8, 0xd3ff6b61, 0x45cf6c16, 0x78e20aa0, + 0xeed20dd7, 0x5483044e, 0xc2b30339, 0x612667a7, 0xf71660d0, + 0x4d476949, 0xdb776e3e, 0x4a6ad1ae, 0xdc5ad6d9, 0x660bdf40, + 0xf03bd837, 0x53aebca9, 0xc59ebbde, 0x7fcfb247, 0xe9ffb530, + 0x1cf2bdbd, 0x8ac2baca, 0x3093b353, 0xa6a3b424, 0x0536d0ba, + 0x9306d7cd, 0x2957de54, 0xbf67d923, 0x2e7a66b3, 0xb84a61c4, + 0x021b685d, 0x942b6f2a, 0x37be0bb4, 0xa18e0cc3, 0x1bdf055a, + 0x8def022d}; + +#endif + +#if N == 1 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xccaa009e, 0x4225077d, 0x8e8f07e3, 0x844a0efa, + 0x48e00e64, 0xc66f0987, 0x0ac50919, 0xd3e51bb5, 0x1f4f1b2b, + 0x91c01cc8, 0x5d6a1c56, 0x57af154f, 0x9b0515d1, 0x158a1232, + 0xd92012ac, 0x7cbb312b, 0xb01131b5, 0x3e9e3656, 0xf23436c8, + 0xf8f13fd1, 0x345b3f4f, 0xbad438ac, 0x767e3832, 0xaf5e2a9e, + 0x63f42a00, 0xed7b2de3, 0x21d12d7d, 0x2b142464, 0xe7be24fa, + 0x69312319, 0xa59b2387, 0xf9766256, 0x35dc62c8, 0xbb53652b, + 0x77f965b5, 0x7d3c6cac, 0xb1966c32, 0x3f196bd1, 0xf3b36b4f, + 0x2a9379e3, 0xe639797d, 0x68b67e9e, 0xa41c7e00, 0xaed97719, + 0x62737787, 0xecfc7064, 0x205670fa, 0x85cd537d, 0x496753e3, + 0xc7e85400, 0x0b42549e, 0x01875d87, 0xcd2d5d19, 0x43a25afa, + 0x8f085a64, 0x562848c8, 0x9a824856, 0x140d4fb5, 0xd8a74f2b, + 0xd2624632, 0x1ec846ac, 0x9047414f, 0x5ced41d1, 0x299dc2ed, + 0xe537c273, 0x6bb8c590, 0xa712c50e, 0xadd7cc17, 0x617dcc89, + 0xeff2cb6a, 0x2358cbf4, 0xfa78d958, 0x36d2d9c6, 0xb85dde25, + 0x74f7debb, 0x7e32d7a2, 0xb298d73c, 0x3c17d0df, 0xf0bdd041, + 0x5526f3c6, 0x998cf358, 0x1703f4bb, 0xdba9f425, 0xd16cfd3c, + 0x1dc6fda2, 0x9349fa41, 0x5fe3fadf, 0x86c3e873, 0x4a69e8ed, + 0xc4e6ef0e, 0x084cef90, 0x0289e689, 0xce23e617, 0x40ace1f4, + 0x8c06e16a, 0xd0eba0bb, 0x1c41a025, 0x92cea7c6, 0x5e64a758, + 0x54a1ae41, 0x980baedf, 0x1684a93c, 0xda2ea9a2, 0x030ebb0e, + 0xcfa4bb90, 0x412bbc73, 0x8d81bced, 0x8744b5f4, 0x4beeb56a, + 0xc561b289, 0x09cbb217, 0xac509190, 0x60fa910e, 0xee7596ed, + 0x22df9673, 0x281a9f6a, 0xe4b09ff4, 0x6a3f9817, 0xa6959889, + 0x7fb58a25, 0xb31f8abb, 0x3d908d58, 0xf13a8dc6, 0xfbff84df, + 0x37558441, 0xb9da83a2, 0x7570833c, 0x533b85da, 0x9f918544, + 0x111e82a7, 0xddb48239, 0xd7718b20, 0x1bdb8bbe, 0x95548c5d, + 0x59fe8cc3, 0x80de9e6f, 0x4c749ef1, 0xc2fb9912, 0x0e51998c, + 0x04949095, 0xc83e900b, 0x46b197e8, 0x8a1b9776, 0x2f80b4f1, + 0xe32ab46f, 0x6da5b38c, 0xa10fb312, 0xabcaba0b, 0x6760ba95, + 0xe9efbd76, 0x2545bde8, 0xfc65af44, 0x30cfafda, 0xbe40a839, + 0x72eaa8a7, 0x782fa1be, 0xb485a120, 0x3a0aa6c3, 0xf6a0a65d, + 0xaa4de78c, 0x66e7e712, 0xe868e0f1, 0x24c2e06f, 0x2e07e976, + 0xe2ade9e8, 0x6c22ee0b, 0xa088ee95, 0x79a8fc39, 0xb502fca7, + 0x3b8dfb44, 0xf727fbda, 0xfde2f2c3, 0x3148f25d, 0xbfc7f5be, + 0x736df520, 0xd6f6d6a7, 0x1a5cd639, 0x94d3d1da, 0x5879d144, + 0x52bcd85d, 0x9e16d8c3, 0x1099df20, 0xdc33dfbe, 0x0513cd12, + 0xc9b9cd8c, 0x4736ca6f, 0x8b9ccaf1, 0x8159c3e8, 0x4df3c376, + 0xc37cc495, 0x0fd6c40b, 0x7aa64737, 0xb60c47a9, 0x3883404a, + 0xf42940d4, 0xfeec49cd, 0x32464953, 0xbcc94eb0, 0x70634e2e, + 0xa9435c82, 0x65e95c1c, 0xeb665bff, 0x27cc5b61, 0x2d095278, + 0xe1a352e6, 0x6f2c5505, 0xa386559b, 0x061d761c, 0xcab77682, + 0x44387161, 0x889271ff, 0x825778e6, 0x4efd7878, 0xc0727f9b, + 0x0cd87f05, 0xd5f86da9, 0x19526d37, 0x97dd6ad4, 0x5b776a4a, + 0x51b26353, 0x9d1863cd, 0x1397642e, 0xdf3d64b0, 0x83d02561, + 0x4f7a25ff, 0xc1f5221c, 0x0d5f2282, 0x079a2b9b, 0xcb302b05, + 0x45bf2ce6, 0x89152c78, 0x50353ed4, 0x9c9f3e4a, 0x121039a9, + 0xdeba3937, 0xd47f302e, 0x18d530b0, 0x965a3753, 0x5af037cd, + 0xff6b144a, 0x33c114d4, 0xbd4e1337, 0x71e413a9, 0x7b211ab0, + 0xb78b1a2e, 0x39041dcd, 0xf5ae1d53, 0x2c8e0fff, 0xe0240f61, + 0x6eab0882, 0xa201081c, 0xa8c40105, 0x646e019b, 0xeae10678, + 0x264b06e6}, + {0x00000000, 0xa6770bb4, 0x979f1129, 0x31e81a9d, 0xf44f2413, + 0x52382fa7, 0x63d0353a, 0xc5a73e8e, 0x33ef4e67, 0x959845d3, + 0xa4705f4e, 0x020754fa, 0xc7a06a74, 0x61d761c0, 0x503f7b5d, + 0xf64870e9, 0x67de9cce, 0xc1a9977a, 0xf0418de7, 0x56368653, + 0x9391b8dd, 0x35e6b369, 0x040ea9f4, 0xa279a240, 0x5431d2a9, + 0xf246d91d, 0xc3aec380, 0x65d9c834, 0xa07ef6ba, 0x0609fd0e, + 0x37e1e793, 0x9196ec27, 0xcfbd399c, 0x69ca3228, 0x582228b5, + 0xfe552301, 0x3bf21d8f, 0x9d85163b, 0xac6d0ca6, 0x0a1a0712, + 0xfc5277fb, 0x5a257c4f, 0x6bcd66d2, 0xcdba6d66, 0x081d53e8, + 0xae6a585c, 0x9f8242c1, 0x39f54975, 0xa863a552, 0x0e14aee6, + 0x3ffcb47b, 0x998bbfcf, 0x5c2c8141, 0xfa5b8af5, 0xcbb39068, + 0x6dc49bdc, 0x9b8ceb35, 0x3dfbe081, 0x0c13fa1c, 0xaa64f1a8, + 0x6fc3cf26, 0xc9b4c492, 0xf85cde0f, 0x5e2bd5bb, 0x440b7579, + 0xe27c7ecd, 0xd3946450, 0x75e36fe4, 0xb044516a, 0x16335ade, + 0x27db4043, 0x81ac4bf7, 0x77e43b1e, 0xd19330aa, 0xe07b2a37, + 0x460c2183, 0x83ab1f0d, 0x25dc14b9, 0x14340e24, 0xb2430590, + 0x23d5e9b7, 0x85a2e203, 0xb44af89e, 0x123df32a, 0xd79acda4, + 0x71edc610, 0x4005dc8d, 0xe672d739, 0x103aa7d0, 0xb64dac64, + 0x87a5b6f9, 0x21d2bd4d, 0xe47583c3, 0x42028877, 0x73ea92ea, + 0xd59d995e, 0x8bb64ce5, 0x2dc14751, 0x1c295dcc, 0xba5e5678, + 0x7ff968f6, 0xd98e6342, 0xe86679df, 0x4e11726b, 0xb8590282, + 0x1e2e0936, 0x2fc613ab, 0x89b1181f, 0x4c162691, 0xea612d25, + 0xdb8937b8, 0x7dfe3c0c, 0xec68d02b, 0x4a1fdb9f, 0x7bf7c102, + 0xdd80cab6, 0x1827f438, 0xbe50ff8c, 0x8fb8e511, 0x29cfeea5, + 0xdf879e4c, 0x79f095f8, 0x48188f65, 0xee6f84d1, 0x2bc8ba5f, + 0x8dbfb1eb, 0xbc57ab76, 0x1a20a0c2, 0x8816eaf2, 0x2e61e146, + 0x1f89fbdb, 0xb9fef06f, 0x7c59cee1, 0xda2ec555, 0xebc6dfc8, + 0x4db1d47c, 0xbbf9a495, 0x1d8eaf21, 0x2c66b5bc, 0x8a11be08, + 0x4fb68086, 0xe9c18b32, 0xd82991af, 0x7e5e9a1b, 0xefc8763c, + 0x49bf7d88, 0x78576715, 0xde206ca1, 0x1b87522f, 0xbdf0599b, + 0x8c184306, 0x2a6f48b2, 0xdc27385b, 0x7a5033ef, 0x4bb82972, + 0xedcf22c6, 0x28681c48, 0x8e1f17fc, 0xbff70d61, 0x198006d5, + 0x47abd36e, 0xe1dcd8da, 0xd034c247, 0x7643c9f3, 0xb3e4f77d, + 0x1593fcc9, 0x247be654, 0x820cede0, 0x74449d09, 0xd23396bd, + 0xe3db8c20, 0x45ac8794, 0x800bb91a, 0x267cb2ae, 0x1794a833, + 0xb1e3a387, 0x20754fa0, 0x86024414, 0xb7ea5e89, 0x119d553d, + 0xd43a6bb3, 0x724d6007, 0x43a57a9a, 0xe5d2712e, 0x139a01c7, + 0xb5ed0a73, 0x840510ee, 0x22721b5a, 0xe7d525d4, 0x41a22e60, + 0x704a34fd, 0xd63d3f49, 0xcc1d9f8b, 0x6a6a943f, 0x5b828ea2, + 0xfdf58516, 0x3852bb98, 0x9e25b02c, 0xafcdaab1, 0x09baa105, + 0xfff2d1ec, 0x5985da58, 0x686dc0c5, 0xce1acb71, 0x0bbdf5ff, + 0xadcafe4b, 0x9c22e4d6, 0x3a55ef62, 0xabc30345, 0x0db408f1, + 0x3c5c126c, 0x9a2b19d8, 0x5f8c2756, 0xf9fb2ce2, 0xc813367f, + 0x6e643dcb, 0x982c4d22, 0x3e5b4696, 0x0fb35c0b, 0xa9c457bf, + 0x6c636931, 0xca146285, 0xfbfc7818, 0x5d8b73ac, 0x03a0a617, + 0xa5d7ada3, 0x943fb73e, 0x3248bc8a, 0xf7ef8204, 0x519889b0, + 0x6070932d, 0xc6079899, 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0xfe92dfec, + 0x462eb889, 0x549b1767, 0xec277002, 0x71f048bb, 0xc94c2fde, + 0xdbf98030, 0x6345e755, 0x6b3fa09c, 0xd383c7f9, 0xc1366817, + 0x798a0f72, 0xe45d37cb, 0x5ce150ae, 0x4e54ff40, 0xf6e89825, + 0xae8b8873, 0x1637ef16, 0x048240f8, 0xbc3e279d, 0x21e91f24, + 0x99557841, 0x8be0d7af, 0x335cb0ca, 0xed59b63b, 0x55e5d15e, + 0x47507eb0, 0xffec19d5, 0x623b216c, 0xda874609, 0xc832e9e7, + 0x708e8e82, 0x28ed9ed4, 0x9051f9b1, 0x82e4565f, 0x3a58313a, + 0xa78f0983, 0x1f336ee6, 0x0d86c108, 0xb53aa66d, 0xbd40e1a4, + 0x05fc86c1, 0x1749292f, 0xaff54e4a, 0x322276f3, 0x8a9e1196, + 0x982bbe78, 0x2097d91d, 0x78f4c94b, 0xc048ae2e, 0xd2fd01c0, + 0x6a4166a5, 0xf7965e1c, 0x4f2a3979, 0x5d9f9697, 0xe523f1f2, + 0x4d6b1905, 0xf5d77e60, 0xe762d18e, 0x5fdeb6eb, 0xc2098e52, + 0x7ab5e937, 0x680046d9, 0xd0bc21bc, 0x88df31ea, 0x3063568f, + 0x22d6f961, 0x9a6a9e04, 0x07bda6bd, 0xbf01c1d8, 0xadb46e36, + 0x15080953, 0x1d724e9a, 0xa5ce29ff, 0xb77b8611, 0x0fc7e174, + 0x9210d9cd, 0x2aacbea8, 0x38191146, 0x80a57623, 0xd8c66675, + 0x607a0110, 0x72cfaefe, 0xca73c99b, 0x57a4f122, 0xef189647, + 0xfdad39a9, 0x45115ecc, 0x764dee06, 0xcef18963, 0xdc44268d, + 0x64f841e8, 0xf92f7951, 0x41931e34, 0x5326b1da, 0xeb9ad6bf, + 0xb3f9c6e9, 0x0b45a18c, 0x19f00e62, 0xa14c6907, 0x3c9b51be, + 0x842736db, 0x96929935, 0x2e2efe50, 0x2654b999, 0x9ee8defc, + 0x8c5d7112, 0x34e11677, 0xa9362ece, 0x118a49ab, 0x033fe645, + 0xbb838120, 0xe3e09176, 0x5b5cf613, 0x49e959fd, 0xf1553e98, + 0x6c820621, 0xd43e6144, 0xc68bceaa, 0x7e37a9cf, 0xd67f4138, + 0x6ec3265d, 0x7c7689b3, 0xc4caeed6, 0x591dd66f, 0xe1a1b10a, + 0xf3141ee4, 0x4ba87981, 0x13cb69d7, 0xab770eb2, 0xb9c2a15c, + 0x017ec639, 0x9ca9fe80, 0x241599e5, 0x36a0360b, 0x8e1c516e, + 0x866616a7, 0x3eda71c2, 0x2c6fde2c, 0x94d3b949, 0x090481f0, + 0xb1b8e695, 0xa30d497b, 0x1bb12e1e, 0x43d23e48, 0xfb6e592d, + 0xe9dbf6c3, 0x516791a6, 0xccb0a91f, 0x740cce7a, 0x66b96194, + 0xde0506f1}, + {0x00000000, 0x01c26a37, 0x0384d46e, 0x0246be59, 0x0709a8dc, + 0x06cbc2eb, 0x048d7cb2, 0x054f1685, 0x0e1351b8, 0x0fd13b8f, + 0x0d9785d6, 0x0c55efe1, 0x091af964, 0x08d89353, 0x0a9e2d0a, + 0x0b5c473d, 0x1c26a370, 0x1de4c947, 0x1fa2771e, 0x1e601d29, + 0x1b2f0bac, 0x1aed619b, 0x18abdfc2, 0x1969b5f5, 0x1235f2c8, + 0x13f798ff, 0x11b126a6, 0x10734c91, 0x153c5a14, 0x14fe3023, + 0x16b88e7a, 0x177ae44d, 0x384d46e0, 0x398f2cd7, 0x3bc9928e, + 0x3a0bf8b9, 0x3f44ee3c, 0x3e86840b, 0x3cc03a52, 0x3d025065, + 0x365e1758, 0x379c7d6f, 0x35dac336, 0x3418a901, 0x3157bf84, + 0x3095d5b3, 0x32d36bea, 0x331101dd, 0x246be590, 0x25a98fa7, + 0x27ef31fe, 0x262d5bc9, 0x23624d4c, 0x22a0277b, 0x20e69922, + 0x2124f315, 0x2a78b428, 0x2bbade1f, 0x29fc6046, 0x283e0a71, + 0x2d711cf4, 0x2cb376c3, 0x2ef5c89a, 0x2f37a2ad, 0x709a8dc0, + 0x7158e7f7, 0x731e59ae, 0x72dc3399, 0x7793251c, 0x76514f2b, + 0x7417f172, 0x75d59b45, 0x7e89dc78, 0x7f4bb64f, 0x7d0d0816, + 0x7ccf6221, 0x798074a4, 0x78421e93, 0x7a04a0ca, 0x7bc6cafd, + 0x6cbc2eb0, 0x6d7e4487, 0x6f38fade, 0x6efa90e9, 0x6bb5866c, + 0x6a77ec5b, 0x68315202, 0x69f33835, 0x62af7f08, 0x636d153f, + 0x612bab66, 0x60e9c151, 0x65a6d7d4, 0x6464bde3, 0x662203ba, + 0x67e0698d, 0x48d7cb20, 0x4915a117, 0x4b531f4e, 0x4a917579, + 0x4fde63fc, 0x4e1c09cb, 0x4c5ab792, 0x4d98dda5, 0x46c49a98, + 0x4706f0af, 0x45404ef6, 0x448224c1, 0x41cd3244, 0x400f5873, + 0x4249e62a, 0x438b8c1d, 0x54f16850, 0x55330267, 0x5775bc3e, + 0x56b7d609, 0x53f8c08c, 0x523aaabb, 0x507c14e2, 0x51be7ed5, + 0x5ae239e8, 0x5b2053df, 0x5966ed86, 0x58a487b1, 0x5deb9134, + 0x5c29fb03, 0x5e6f455a, 0x5fad2f6d, 0xe1351b80, 0xe0f771b7, + 0xe2b1cfee, 0xe373a5d9, 0xe63cb35c, 0xe7fed96b, 0xe5b86732, + 0xe47a0d05, 0xef264a38, 0xeee4200f, 0xeca29e56, 0xed60f461, + 0xe82fe2e4, 0xe9ed88d3, 0xebab368a, 0xea695cbd, 0xfd13b8f0, + 0xfcd1d2c7, 0xfe976c9e, 0xff5506a9, 0xfa1a102c, 0xfbd87a1b, + 0xf99ec442, 0xf85cae75, 0xf300e948, 0xf2c2837f, 0xf0843d26, + 0xf1465711, 0xf4094194, 0xf5cb2ba3, 0xf78d95fa, 0xf64fffcd, + 0xd9785d60, 0xd8ba3757, 0xdafc890e, 0xdb3ee339, 0xde71f5bc, + 0xdfb39f8b, 0xddf521d2, 0xdc374be5, 0xd76b0cd8, 0xd6a966ef, + 0xd4efd8b6, 0xd52db281, 0xd062a404, 0xd1a0ce33, 0xd3e6706a, + 0xd2241a5d, 0xc55efe10, 0xc49c9427, 0xc6da2a7e, 0xc7184049, + 0xc25756cc, 0xc3953cfb, 0xc1d382a2, 0xc011e895, 0xcb4dafa8, + 0xca8fc59f, 0xc8c97bc6, 0xc90b11f1, 0xcc440774, 0xcd866d43, + 0xcfc0d31a, 0xce02b92d, 0x91af9640, 0x906dfc77, 0x922b422e, + 0x93e92819, 0x96a63e9c, 0x976454ab, 0x9522eaf2, 0x94e080c5, + 0x9fbcc7f8, 0x9e7eadcf, 0x9c381396, 0x9dfa79a1, 0x98b56f24, + 0x99770513, 0x9b31bb4a, 0x9af3d17d, 0x8d893530, 0x8c4b5f07, + 0x8e0de15e, 0x8fcf8b69, 0x8a809dec, 0x8b42f7db, 0x89044982, + 0x88c623b5, 0x839a6488, 0x82580ebf, 0x801eb0e6, 0x81dcdad1, + 0x8493cc54, 0x8551a663, 0x8717183a, 0x86d5720d, 0xa9e2d0a0, + 0xa820ba97, 0xaa6604ce, 0xaba46ef9, 0xaeeb787c, 0xaf29124b, + 0xad6fac12, 0xacadc625, 0xa7f18118, 0xa633eb2f, 0xa4755576, + 0xa5b73f41, 0xa0f829c4, 0xa13a43f3, 0xa37cfdaa, 0xa2be979d, + 0xb5c473d0, 0xb40619e7, 0xb640a7be, 0xb782cd89, 0xb2cddb0c, + 0xb30fb13b, 0xb1490f62, 0xb08b6555, 0xbbd72268, 0xba15485f, + 0xb853f606, 0xb9919c31, 0xbcde8ab4, 0xbd1ce083, 0xbf5a5eda, + 0xbe9834ed}, + {0x00000000, 0x191b3141, 0x32366282, 0x2b2d53c3, 0x646cc504, + 0x7d77f445, 0x565aa786, 0x4f4196c7, 0xc8d98a08, 0xd1c2bb49, + 0xfaefe88a, 0xe3f4d9cb, 0xacb54f0c, 0xb5ae7e4d, 0x9e832d8e, + 0x87981ccf, 0x4ac21251, 0x53d92310, 0x78f470d3, 0x61ef4192, + 0x2eaed755, 0x37b5e614, 0x1c98b5d7, 0x05838496, 0x821b9859, + 0x9b00a918, 0xb02dfadb, 0xa936cb9a, 0xe6775d5d, 0xff6c6c1c, + 0xd4413fdf, 0xcd5a0e9e, 0x958424a2, 0x8c9f15e3, 0xa7b24620, + 0xbea97761, 0xf1e8e1a6, 0xe8f3d0e7, 0xc3de8324, 0xdac5b265, + 0x5d5daeaa, 0x44469feb, 0x6f6bcc28, 0x7670fd69, 0x39316bae, + 0x202a5aef, 0x0b07092c, 0x121c386d, 0xdf4636f3, 0xc65d07b2, + 0xed705471, 0xf46b6530, 0xbb2af3f7, 0xa231c2b6, 0x891c9175, + 0x9007a034, 0x179fbcfb, 0x0e848dba, 0x25a9de79, 0x3cb2ef38, + 0x73f379ff, 0x6ae848be, 0x41c51b7d, 0x58de2a3c, 0xf0794f05, + 0xe9627e44, 0xc24f2d87, 0xdb541cc6, 0x94158a01, 0x8d0ebb40, + 0xa623e883, 0xbf38d9c2, 0x38a0c50d, 0x21bbf44c, 0x0a96a78f, + 0x138d96ce, 0x5ccc0009, 0x45d73148, 0x6efa628b, 0x77e153ca, + 0xbabb5d54, 0xa3a06c15, 0x888d3fd6, 0x91960e97, 0xded79850, + 0xc7cca911, 0xece1fad2, 0xf5facb93, 0x7262d75c, 0x6b79e61d, + 0x4054b5de, 0x594f849f, 0x160e1258, 0x0f152319, 0x243870da, + 0x3d23419b, 0x65fd6ba7, 0x7ce65ae6, 0x57cb0925, 0x4ed03864, + 0x0191aea3, 0x188a9fe2, 0x33a7cc21, 0x2abcfd60, 0xad24e1af, + 0xb43fd0ee, 0x9f12832d, 0x8609b26c, 0xc94824ab, 0xd05315ea, + 0xfb7e4629, 0xe2657768, 0x2f3f79f6, 0x362448b7, 0x1d091b74, + 0x04122a35, 0x4b53bcf2, 0x52488db3, 0x7965de70, 0x607eef31, + 0xe7e6f3fe, 0xfefdc2bf, 0xd5d0917c, 0xcccba03d, 0x838a36fa, + 0x9a9107bb, 0xb1bc5478, 0xa8a76539, 0x3b83984b, 0x2298a90a, + 0x09b5fac9, 0x10aecb88, 0x5fef5d4f, 0x46f46c0e, 0x6dd93fcd, + 0x74c20e8c, 0xf35a1243, 0xea412302, 0xc16c70c1, 0xd8774180, + 0x9736d747, 0x8e2de606, 0xa500b5c5, 0xbc1b8484, 0x71418a1a, + 0x685abb5b, 0x4377e898, 0x5a6cd9d9, 0x152d4f1e, 0x0c367e5f, + 0x271b2d9c, 0x3e001cdd, 0xb9980012, 0xa0833153, 0x8bae6290, + 0x92b553d1, 0xddf4c516, 0xc4eff457, 0xefc2a794, 0xf6d996d5, + 0xae07bce9, 0xb71c8da8, 0x9c31de6b, 0x852aef2a, 0xca6b79ed, + 0xd37048ac, 0xf85d1b6f, 0xe1462a2e, 0x66de36e1, 0x7fc507a0, + 0x54e85463, 0x4df36522, 0x02b2f3e5, 0x1ba9c2a4, 0x30849167, + 0x299fa026, 0xe4c5aeb8, 0xfdde9ff9, 0xd6f3cc3a, 0xcfe8fd7b, + 0x80a96bbc, 0x99b25afd, 0xb29f093e, 0xab84387f, 0x2c1c24b0, + 0x350715f1, 0x1e2a4632, 0x07317773, 0x4870e1b4, 0x516bd0f5, + 0x7a468336, 0x635db277, 0xcbfad74e, 0xd2e1e60f, 0xf9ccb5cc, + 0xe0d7848d, 0xaf96124a, 0xb68d230b, 0x9da070c8, 0x84bb4189, + 0x03235d46, 0x1a386c07, 0x31153fc4, 0x280e0e85, 0x674f9842, + 0x7e54a903, 0x5579fac0, 0x4c62cb81, 0x8138c51f, 0x9823f45e, + 0xb30ea79d, 0xaa1596dc, 0xe554001b, 0xfc4f315a, 0xd7626299, + 0xce7953d8, 0x49e14f17, 0x50fa7e56, 0x7bd72d95, 0x62cc1cd4, + 0x2d8d8a13, 0x3496bb52, 0x1fbbe891, 0x06a0d9d0, 0x5e7ef3ec, + 0x4765c2ad, 0x6c48916e, 0x7553a02f, 0x3a1236e8, 0x230907a9, + 0x0824546a, 0x113f652b, 0x96a779e4, 0x8fbc48a5, 0xa4911b66, + 0xbd8a2a27, 0xf2cbbce0, 0xebd08da1, 0xc0fdde62, 0xd9e6ef23, + 0x14bce1bd, 0x0da7d0fc, 0x268a833f, 0x3f91b27e, 0x70d024b9, + 0x69cb15f8, 0x42e6463b, 0x5bfd777a, 0xdc656bb5, 0xc57e5af4, + 0xee530937, 0xf7483876, 0xb809aeb1, 0xa1129ff0, 0x8a3fcc33, + 0x9324fd72}, + {0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x9630077700000000, 0x2c610eee00000000, + 0xba51099900000000, 0x19c46d0700000000, 0x8ff46a7000000000, + 0x35a563e900000000, 0xa395649e00000000, 0x3288db0e00000000, + 0xa4b8dc7900000000, 0x1ee9d5e000000000, 0x88d9d29700000000, + 0x2b4cb60900000000, 0xbd7cb17e00000000, 0x072db8e700000000, + 0x911dbf9000000000, 0x6410b71d00000000, 0xf220b06a00000000, + 0x4871b9f300000000, 0xde41be8400000000, 0x7dd4da1a00000000, + 0xebe4dd6d00000000, 0x51b5d4f400000000, 0xc785d38300000000, + 0x56986c1300000000, 0xc0a86b6400000000, 0x7af962fd00000000, + 0xecc9658a00000000, 0x4f5c011400000000, 0xd96c066300000000, + 0x633d0ffa00000000, 0xf50d088d00000000, 0xc8206e3b00000000, + 0x5e10694c00000000, 0xe44160d500000000, 0x727167a200000000, + 0xd1e4033c00000000, 0x47d4044b00000000, 0xfd850dd200000000, + 0x6bb50aa500000000, 0xfaa8b53500000000, 0x6c98b24200000000, + 0xd6c9bbdb00000000, 0x40f9bcac00000000, 0xe36cd83200000000, + 0x755cdf4500000000, 0xcf0dd6dc00000000, 0x593dd1ab00000000, + 0xac30d92600000000, 0x3a00de5100000000, 0x8051d7c800000000, + 0x1661d0bf00000000, 0xb5f4b42100000000, 0x23c4b35600000000, + 0x9995bacf00000000, 0x0fa5bdb800000000, 0x9eb8022800000000, + 0x0888055f00000000, 0xb2d90cc600000000, 0x24e90bb100000000, + 0x877c6f2f00000000, 0x114c685800000000, 0xab1d61c100000000, + 0x3d2d66b600000000, 0x9041dc7600000000, 0x0671db0100000000, + 0xbc20d29800000000, 0x2a10d5ef00000000, 0x8985b17100000000, + 0x1fb5b60600000000, 0xa5e4bf9f00000000, 0x33d4b8e800000000, + 0xa2c9077800000000, 0x34f9000f00000000, 0x8ea8099600000000, + 0x18980ee100000000, 0xbb0d6a7f00000000, 0x2d3d6d0800000000, + 0x976c649100000000, 0x015c63e600000000, 0xf4516b6b00000000, + 0x62616c1c00000000, 0xd830658500000000, 0x4e0062f200000000, + 0xed95066c00000000, 0x7ba5011b00000000, 0xc1f4088200000000, + 0x57c40ff500000000, 0xc6d9b06500000000, 0x50e9b71200000000, + 0xeab8be8b00000000, 0x7c88b9fc00000000, 0xdf1ddd6200000000, + 0x492dda1500000000, 0xf37cd38c00000000, 0x654cd4fb00000000, + 0x5861b24d00000000, 0xce51b53a00000000, 0x7400bca300000000, + 0xe230bbd400000000, 0x41a5df4a00000000, 0xd795d83d00000000, + 0x6dc4d1a400000000, 0xfbf4d6d300000000, 0x6ae9694300000000, + 0xfcd96e3400000000, 0x468867ad00000000, 0xd0b860da00000000, + 0x732d044400000000, 0xe51d033300000000, 0x5f4c0aaa00000000, + 0xc97c0ddd00000000, 0x3c71055000000000, 0xaa41022700000000, + 0x10100bbe00000000, 0x86200cc900000000, 0x25b5685700000000, + 0xb3856f2000000000, 0x09d466b900000000, 0x9fe461ce00000000, + 0x0ef9de5e00000000, 0x98c9d92900000000, 0x2298d0b000000000, + 0xb4a8d7c700000000, 0x173db35900000000, 0x810db42e00000000, + 0x3b5cbdb700000000, 0xad6cbac000000000, 0x2083b8ed00000000, + 0xb6b3bf9a00000000, 0x0ce2b60300000000, 0x9ad2b17400000000, + 0x3947d5ea00000000, 0xaf77d29d00000000, 0x1526db0400000000, + 0x8316dc7300000000, 0x120b63e300000000, 0x843b649400000000, + 0x3e6a6d0d00000000, 0xa85a6a7a00000000, 0x0bcf0ee400000000, + 0x9dff099300000000, 0x27ae000a00000000, 0xb19e077d00000000, + 0x44930ff000000000, 0xd2a3088700000000, 0x68f2011e00000000, + 0xfec2066900000000, 0x5d5762f700000000, 0xcb67658000000000, + 0x71366c1900000000, 0xe7066b6e00000000, 0x761bd4fe00000000, + 0xe02bd38900000000, 0x5a7ada1000000000, 0xcc4add6700000000, + 0x6fdfb9f900000000, 0xf9efbe8e00000000, 0x43beb71700000000, + 0xd58eb06000000000, 0xe8a3d6d600000000, 0x7e93d1a100000000, + 0xc4c2d83800000000, 0x52f2df4f00000000, 0xf167bbd100000000, + 0x6757bca600000000, 0xdd06b53f00000000, 0x4b36b24800000000, + 0xda2b0dd800000000, 0x4c1b0aaf00000000, 0xf64a033600000000, + 0x607a044100000000, 0xc3ef60df00000000, 0x55df67a800000000, + 0xef8e6e3100000000, 0x79be694600000000, 0x8cb361cb00000000, + 0x1a8366bc00000000, 0xa0d26f2500000000, 0x36e2685200000000, + 0x95770ccc00000000, 0x03470bbb00000000, 0xb916022200000000, + 0x2f26055500000000, 0xbe3bbac500000000, 0x280bbdb200000000, + 0x925ab42b00000000, 0x046ab35c00000000, 0xa7ffd7c200000000, + 0x31cfd0b500000000, 0x8b9ed92c00000000, 0x1daede5b00000000, + 0xb0c2649b00000000, 0x26f263ec00000000, 0x9ca36a7500000000, + 0x0a936d0200000000, 0xa906099c00000000, 0x3f360eeb00000000, + 0x8567077200000000, 0x1357000500000000, 0x824abf9500000000, + 0x147ab8e200000000, 0xae2bb17b00000000, 0x381bb60c00000000, + 0x9b8ed29200000000, 0x0dbed5e500000000, 0xb7efdc7c00000000, + 0x21dfdb0b00000000, 0xd4d2d38600000000, 0x42e2d4f100000000, + 0xf8b3dd6800000000, 0x6e83da1f00000000, 0xcd16be8100000000, + 0x5b26b9f600000000, 0xe177b06f00000000, 0x7747b71800000000, + 0xe65a088800000000, 0x706a0fff00000000, 0xca3b066600000000, + 0x5c0b011100000000, 0xff9e658f00000000, 0x69ae62f800000000, + 0xd3ff6b6100000000, 0x45cf6c1600000000, 0x78e20aa000000000, + 0xeed20dd700000000, 0x5483044e00000000, 0xc2b3033900000000, + 0x612667a700000000, 0xf71660d000000000, 0x4d47694900000000, + 0xdb776e3e00000000, 0x4a6ad1ae00000000, 0xdc5ad6d900000000, + 0x660bdf4000000000, 0xf03bd83700000000, 0x53aebca900000000, + 0xc59ebbde00000000, 0x7fcfb24700000000, 0xe9ffb53000000000, + 0x1cf2bdbd00000000, 0x8ac2baca00000000, 0x3093b35300000000, + 0xa6a3b42400000000, 0x0536d0ba00000000, 0x9306d7cd00000000, + 0x2957de5400000000, 0xbf67d92300000000, 0x2e7a66b300000000, + 0xb84a61c400000000, 0x021b685d00000000, 0x942b6f2a00000000, + 0x37be0bb400000000, 0xa18e0cc300000000, 0x1bdf055a00000000, + 0x8def022d00000000}, + {0x0000000000000000, 0x41311b1900000000, 0x8262363200000000, + 0xc3532d2b00000000, 0x04c56c6400000000, 0x45f4777d00000000, + 0x86a75a5600000000, 0xc796414f00000000, 0x088ad9c800000000, + 0x49bbc2d100000000, 0x8ae8effa00000000, 0xcbd9f4e300000000, + 0x0c4fb5ac00000000, 0x4d7eaeb500000000, 0x8e2d839e00000000, + 0xcf1c988700000000, 0x5112c24a00000000, 0x1023d95300000000, + 0xd370f47800000000, 0x9241ef6100000000, 0x55d7ae2e00000000, + 0x14e6b53700000000, 0xd7b5981c00000000, 0x9684830500000000, + 0x59981b8200000000, 0x18a9009b00000000, 0xdbfa2db000000000, + 0x9acb36a900000000, 0x5d5d77e600000000, 0x1c6c6cff00000000, + 0xdf3f41d400000000, 0x9e0e5acd00000000, 0xa224849500000000, + 0xe3159f8c00000000, 0x2046b2a700000000, 0x6177a9be00000000, + 0xa6e1e8f100000000, 0xe7d0f3e800000000, 0x2483dec300000000, + 0x65b2c5da00000000, 0xaaae5d5d00000000, 0xeb9f464400000000, + 0x28cc6b6f00000000, 0x69fd707600000000, 0xae6b313900000000, + 0xef5a2a2000000000, 0x2c09070b00000000, 0x6d381c1200000000, + 0xf33646df00000000, 0xb2075dc600000000, 0x715470ed00000000, + 0x30656bf400000000, 0xf7f32abb00000000, 0xb6c231a200000000, + 0x75911c8900000000, 0x34a0079000000000, 0xfbbc9f1700000000, + 0xba8d840e00000000, 0x79dea92500000000, 0x38efb23c00000000, + 0xff79f37300000000, 0xbe48e86a00000000, 0x7d1bc54100000000, + 0x3c2ade5800000000, 0x054f79f000000000, 0x447e62e900000000, + 0x872d4fc200000000, 0xc61c54db00000000, 0x018a159400000000, + 0x40bb0e8d00000000, 0x83e823a600000000, 0xc2d938bf00000000, + 0x0dc5a03800000000, 0x4cf4bb2100000000, 0x8fa7960a00000000, + 0xce968d1300000000, 0x0900cc5c00000000, 0x4831d74500000000, + 0x8b62fa6e00000000, 0xca53e17700000000, 0x545dbbba00000000, + 0x156ca0a300000000, 0xd63f8d8800000000, 0x970e969100000000, + 0x5098d7de00000000, 0x11a9ccc700000000, 0xd2fae1ec00000000, + 0x93cbfaf500000000, 0x5cd7627200000000, 0x1de6796b00000000, + 0xdeb5544000000000, 0x9f844f5900000000, 0x58120e1600000000, + 0x1923150f00000000, 0xda70382400000000, 0x9b41233d00000000, + 0xa76bfd6500000000, 0xe65ae67c00000000, 0x2509cb5700000000, + 0x6438d04e00000000, 0xa3ae910100000000, 0xe29f8a1800000000, + 0x21cca73300000000, 0x60fdbc2a00000000, 0xafe124ad00000000, + 0xeed03fb400000000, 0x2d83129f00000000, 0x6cb2098600000000, + 0xab2448c900000000, 0xea1553d000000000, 0x29467efb00000000, + 0x687765e200000000, 0xf6793f2f00000000, 0xb748243600000000, + 0x741b091d00000000, 0x352a120400000000, 0xf2bc534b00000000, + 0xb38d485200000000, 0x70de657900000000, 0x31ef7e6000000000, + 0xfef3e6e700000000, 0xbfc2fdfe00000000, 0x7c91d0d500000000, + 0x3da0cbcc00000000, 0xfa368a8300000000, 0xbb07919a00000000, + 0x7854bcb100000000, 0x3965a7a800000000, 0x4b98833b00000000, + 0x0aa9982200000000, 0xc9fab50900000000, 0x88cbae1000000000, + 0x4f5def5f00000000, 0x0e6cf44600000000, 0xcd3fd96d00000000, + 0x8c0ec27400000000, 0x43125af300000000, 0x022341ea00000000, + 0xc1706cc100000000, 0x804177d800000000, 0x47d7369700000000, + 0x06e62d8e00000000, 0xc5b500a500000000, 0x84841bbc00000000, + 0x1a8a417100000000, 0x5bbb5a6800000000, 0x98e8774300000000, + 0xd9d96c5a00000000, 0x1e4f2d1500000000, 0x5f7e360c00000000, + 0x9c2d1b2700000000, 0xdd1c003e00000000, 0x120098b900000000, + 0x533183a000000000, 0x9062ae8b00000000, 0xd153b59200000000, + 0x16c5f4dd00000000, 0x57f4efc400000000, 0x94a7c2ef00000000, + 0xd596d9f600000000, 0xe9bc07ae00000000, 0xa88d1cb700000000, + 0x6bde319c00000000, 0x2aef2a8500000000, 0xed796bca00000000, + 0xac4870d300000000, 0x6f1b5df800000000, 0x2e2a46e100000000, + 0xe136de6600000000, 0xa007c57f00000000, 0x6354e85400000000, + 0x2265f34d00000000, 0xe5f3b20200000000, 0xa4c2a91b00000000, + 0x6791843000000000, 0x26a09f2900000000, 0xb8aec5e400000000, + 0xf99fdefd00000000, 0x3accf3d600000000, 0x7bfde8cf00000000, + 0xbc6ba98000000000, 0xfd5ab29900000000, 0x3e099fb200000000, + 0x7f3884ab00000000, 0xb0241c2c00000000, 0xf115073500000000, + 0x32462a1e00000000, 0x7377310700000000, 0xb4e1704800000000, + 0xf5d06b5100000000, 0x3683467a00000000, 0x77b25d6300000000, + 0x4ed7facb00000000, 0x0fe6e1d200000000, 0xccb5ccf900000000, + 0x8d84d7e000000000, 0x4a1296af00000000, 0x0b238db600000000, + 0xc870a09d00000000, 0x8941bb8400000000, 0x465d230300000000, + 0x076c381a00000000, 0xc43f153100000000, 0x850e0e2800000000, + 0x42984f6700000000, 0x03a9547e00000000, 0xc0fa795500000000, + 0x81cb624c00000000, 0x1fc5388100000000, 0x5ef4239800000000, + 0x9da70eb300000000, 0xdc9615aa00000000, 0x1b0054e500000000, + 0x5a314ffc00000000, 0x996262d700000000, 0xd85379ce00000000, + 0x174fe14900000000, 0x567efa5000000000, 0x952dd77b00000000, + 0xd41ccc6200000000, 0x138a8d2d00000000, 0x52bb963400000000, + 0x91e8bb1f00000000, 0xd0d9a00600000000, 0xecf37e5e00000000, + 0xadc2654700000000, 0x6e91486c00000000, 0x2fa0537500000000, + 0xe836123a00000000, 0xa907092300000000, 0x6a54240800000000, + 0x2b653f1100000000, 0xe479a79600000000, 0xa548bc8f00000000, + 0x661b91a400000000, 0x272a8abd00000000, 0xe0bccbf200000000, + 0xa18dd0eb00000000, 0x62defdc000000000, 0x23efe6d900000000, + 0xbde1bc1400000000, 0xfcd0a70d00000000, 0x3f838a2600000000, + 0x7eb2913f00000000, 0xb924d07000000000, 0xf815cb6900000000, + 0x3b46e64200000000, 0x7a77fd5b00000000, 0xb56b65dc00000000, + 0xf45a7ec500000000, 0x370953ee00000000, 0x763848f700000000, + 0xb1ae09b800000000, 0xf09f12a100000000, 0x33cc3f8a00000000, + 0x72fd249300000000}, + {0x0000000000000000, 0x376ac20100000000, 0x6ed4840300000000, + 0x59be460200000000, 0xdca8090700000000, 0xebc2cb0600000000, + 0xb27c8d0400000000, 0x85164f0500000000, 0xb851130e00000000, + 0x8f3bd10f00000000, 0xd685970d00000000, 0xe1ef550c00000000, + 0x64f91a0900000000, 0x5393d80800000000, 0x0a2d9e0a00000000, + 0x3d475c0b00000000, 0x70a3261c00000000, 0x47c9e41d00000000, + 0x1e77a21f00000000, 0x291d601e00000000, 0xac0b2f1b00000000, + 0x9b61ed1a00000000, 0xc2dfab1800000000, 0xf5b5691900000000, + 0xc8f2351200000000, 0xff98f71300000000, 0xa626b11100000000, + 0x914c731000000000, 0x145a3c1500000000, 0x2330fe1400000000, + 0x7a8eb81600000000, 0x4de47a1700000000, 0xe0464d3800000000, + 0xd72c8f3900000000, 0x8e92c93b00000000, 0xb9f80b3a00000000, + 0x3cee443f00000000, 0x0b84863e00000000, 0x523ac03c00000000, + 0x6550023d00000000, 0x58175e3600000000, 0x6f7d9c3700000000, + 0x36c3da3500000000, 0x01a9183400000000, 0x84bf573100000000, + 0xb3d5953000000000, 0xea6bd33200000000, 0xdd01113300000000, + 0x90e56b2400000000, 0xa78fa92500000000, 0xfe31ef2700000000, + 0xc95b2d2600000000, 0x4c4d622300000000, 0x7b27a02200000000, + 0x2299e62000000000, 0x15f3242100000000, 0x28b4782a00000000, + 0x1fdeba2b00000000, 0x4660fc2900000000, 0x710a3e2800000000, + 0xf41c712d00000000, 0xc376b32c00000000, 0x9ac8f52e00000000, + 0xada2372f00000000, 0xc08d9a7000000000, 0xf7e7587100000000, + 0xae591e7300000000, 0x9933dc7200000000, 0x1c25937700000000, + 0x2b4f517600000000, 0x72f1177400000000, 0x459bd57500000000, + 0x78dc897e00000000, 0x4fb64b7f00000000, 0x16080d7d00000000, + 0x2162cf7c00000000, 0xa474807900000000, 0x931e427800000000, + 0xcaa0047a00000000, 0xfdcac67b00000000, 0xb02ebc6c00000000, + 0x87447e6d00000000, 0xdefa386f00000000, 0xe990fa6e00000000, + 0x6c86b56b00000000, 0x5bec776a00000000, 0x0252316800000000, + 0x3538f36900000000, 0x087faf6200000000, 0x3f156d6300000000, + 0x66ab2b6100000000, 0x51c1e96000000000, 0xd4d7a66500000000, + 0xe3bd646400000000, 0xba03226600000000, 0x8d69e06700000000, + 0x20cbd74800000000, 0x17a1154900000000, 0x4e1f534b00000000, + 0x7975914a00000000, 0xfc63de4f00000000, 0xcb091c4e00000000, + 0x92b75a4c00000000, 0xa5dd984d00000000, 0x989ac44600000000, + 0xaff0064700000000, 0xf64e404500000000, 0xc124824400000000, + 0x4432cd4100000000, 0x73580f4000000000, 0x2ae6494200000000, + 0x1d8c8b4300000000, 0x5068f15400000000, 0x6702335500000000, + 0x3ebc755700000000, 0x09d6b75600000000, 0x8cc0f85300000000, + 0xbbaa3a5200000000, 0xe2147c5000000000, 0xd57ebe5100000000, + 0xe839e25a00000000, 0xdf53205b00000000, 0x86ed665900000000, + 0xb187a45800000000, 0x3491eb5d00000000, 0x03fb295c00000000, + 0x5a456f5e00000000, 0x6d2fad5f00000000, 0x801b35e100000000, + 0xb771f7e000000000, 0xeecfb1e200000000, 0xd9a573e300000000, + 0x5cb33ce600000000, 0x6bd9fee700000000, 0x3267b8e500000000, + 0x050d7ae400000000, 0x384a26ef00000000, 0x0f20e4ee00000000, + 0x569ea2ec00000000, 0x61f460ed00000000, 0xe4e22fe800000000, + 0xd388ede900000000, 0x8a36abeb00000000, 0xbd5c69ea00000000, + 0xf0b813fd00000000, 0xc7d2d1fc00000000, 0x9e6c97fe00000000, + 0xa90655ff00000000, 0x2c101afa00000000, 0x1b7ad8fb00000000, + 0x42c49ef900000000, 0x75ae5cf800000000, 0x48e900f300000000, + 0x7f83c2f200000000, 0x263d84f000000000, 0x115746f100000000, + 0x944109f400000000, 0xa32bcbf500000000, 0xfa958df700000000, + 0xcdff4ff600000000, 0x605d78d900000000, 0x5737bad800000000, + 0x0e89fcda00000000, 0x39e33edb00000000, 0xbcf571de00000000, + 0x8b9fb3df00000000, 0xd221f5dd00000000, 0xe54b37dc00000000, + 0xd80c6bd700000000, 0xef66a9d600000000, 0xb6d8efd400000000, + 0x81b22dd500000000, 0x04a462d000000000, 0x33cea0d100000000, + 0x6a70e6d300000000, 0x5d1a24d200000000, 0x10fe5ec500000000, + 0x27949cc400000000, 0x7e2adac600000000, 0x494018c700000000, + 0xcc5657c200000000, 0xfb3c95c300000000, 0xa282d3c100000000, + 0x95e811c000000000, 0xa8af4dcb00000000, 0x9fc58fca00000000, + 0xc67bc9c800000000, 0xf1110bc900000000, 0x740744cc00000000, + 0x436d86cd00000000, 0x1ad3c0cf00000000, 0x2db902ce00000000, + 0x4096af9100000000, 0x77fc6d9000000000, 0x2e422b9200000000, + 0x1928e99300000000, 0x9c3ea69600000000, 0xab54649700000000, + 0xf2ea229500000000, 0xc580e09400000000, 0xf8c7bc9f00000000, + 0xcfad7e9e00000000, 0x9613389c00000000, 0xa179fa9d00000000, + 0x246fb59800000000, 0x1305779900000000, 0x4abb319b00000000, + 0x7dd1f39a00000000, 0x3035898d00000000, 0x075f4b8c00000000, + 0x5ee10d8e00000000, 0x698bcf8f00000000, 0xec9d808a00000000, + 0xdbf7428b00000000, 0x8249048900000000, 0xb523c68800000000, + 0x88649a8300000000, 0xbf0e588200000000, 0xe6b01e8000000000, + 0xd1dadc8100000000, 0x54cc938400000000, 0x63a6518500000000, + 0x3a18178700000000, 0x0d72d58600000000, 0xa0d0e2a900000000, + 0x97ba20a800000000, 0xce0466aa00000000, 0xf96ea4ab00000000, + 0x7c78ebae00000000, 0x4b1229af00000000, 0x12ac6fad00000000, + 0x25c6adac00000000, 0x1881f1a700000000, 0x2feb33a600000000, + 0x765575a400000000, 0x413fb7a500000000, 0xc429f8a000000000, + 0xf3433aa100000000, 0xaafd7ca300000000, 0x9d97bea200000000, + 0xd073c4b500000000, 0xe71906b400000000, 0xbea740b600000000, + 0x89cd82b700000000, 0x0cdbcdb200000000, 0x3bb10fb300000000, + 0x620f49b100000000, 0x55658bb000000000, 0x6822d7bb00000000, + 0x5f4815ba00000000, 0x06f653b800000000, 0x319c91b900000000, + 0xb48adebc00000000, 0x83e01cbd00000000, 0xda5e5abf00000000, + 0xed3498be00000000}, + {0x0000000000000000, 0x6567bcb800000000, 0x8bc809aa00000000, + 0xeeafb51200000000, 0x5797628f00000000, 0x32f0de3700000000, + 0xdc5f6b2500000000, 0xb938d79d00000000, 0xef28b4c500000000, + 0x8a4f087d00000000, 0x64e0bd6f00000000, 0x018701d700000000, + 0xb8bfd64a00000000, 0xddd86af200000000, 0x3377dfe000000000, + 0x5610635800000000, 0x9f57195000000000, 0xfa30a5e800000000, + 0x149f10fa00000000, 0x71f8ac4200000000, 0xc8c07bdf00000000, + 0xada7c76700000000, 0x4308727500000000, 0x266fcecd00000000, + 0x707fad9500000000, 0x1518112d00000000, 0xfbb7a43f00000000, + 0x9ed0188700000000, 0x27e8cf1a00000000, 0x428f73a200000000, + 0xac20c6b000000000, 0xc9477a0800000000, 0x3eaf32a000000000, + 0x5bc88e1800000000, 0xb5673b0a00000000, 0xd00087b200000000, + 0x6938502f00000000, 0x0c5fec9700000000, 0xe2f0598500000000, + 0x8797e53d00000000, 0xd187866500000000, 0xb4e03add00000000, + 0x5a4f8fcf00000000, 0x3f28337700000000, 0x8610e4ea00000000, + 0xe377585200000000, 0x0dd8ed4000000000, 0x68bf51f800000000, + 0xa1f82bf000000000, 0xc49f974800000000, 0x2a30225a00000000, + 0x4f579ee200000000, 0xf66f497f00000000, 0x9308f5c700000000, + 0x7da740d500000000, 0x18c0fc6d00000000, 0x4ed09f3500000000, + 0x2bb7238d00000000, 0xc518969f00000000, 0xa07f2a2700000000, + 0x1947fdba00000000, 0x7c20410200000000, 0x928ff41000000000, + 0xf7e848a800000000, 0x3d58149b00000000, 0x583fa82300000000, + 0xb6901d3100000000, 0xd3f7a18900000000, 0x6acf761400000000, + 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0x318a894600000000, 0x9ff81dc000000000, + 0x3a2b410b00000000, 0xef9917fa00000000, 0x4a4a4b3100000000, + 0xe438dfb700000000, 0x41eb837c00000000, 0xf9db866100000000, + 0x5c08daaa00000000, 0xf27a4e2c00000000, 0x57a912e700000000, + 0x1919921500000000, 0xbccacede00000000, 0x12b85a5800000000, + 0xb76b069300000000, 0x0f5b038e00000000, 0xaa885f4500000000, + 0x04facbc300000000, 0xa129970800000000, 0x749bc1f900000000, + 0xd1489d3200000000, 0x7f3a09b400000000, 0xdae9557f00000000, + 0x62d9506200000000, 0xc70a0ca900000000, 0x6978982f00000000, + 0xccabc4e400000000}, + {0x0000000000000000, 0xb40b77a600000000, 0x29119f9700000000, + 0x9d1ae83100000000, 0x13244ff400000000, 0xa72f385200000000, + 0x3a35d06300000000, 0x8e3ea7c500000000, 0x674eef3300000000, + 0xd345989500000000, 0x4e5f70a400000000, 0xfa54070200000000, + 0x746aa0c700000000, 0xc061d76100000000, 0x5d7b3f5000000000, + 0xe97048f600000000, 0xce9cde6700000000, 0x7a97a9c100000000, + 0xe78d41f000000000, 0x5386365600000000, 0xddb8919300000000, + 0x69b3e63500000000, 0xf4a90e0400000000, 0x40a279a200000000, + 0xa9d2315400000000, 0x1dd946f200000000, 0x80c3aec300000000, + 0x34c8d96500000000, 0xbaf67ea000000000, 0x0efd090600000000, + 0x93e7e13700000000, 0x27ec969100000000, 0x9c39bdcf00000000, + 0x2832ca6900000000, 0xb528225800000000, 0x012355fe00000000, + 0x8f1df23b00000000, 0x3b16859d00000000, 0xa60c6dac00000000, + 0x12071a0a00000000, 0xfb7752fc00000000, 0x4f7c255a00000000, + 0xd266cd6b00000000, 0x666dbacd00000000, 0xe8531d0800000000, + 0x5c586aae00000000, 0xc142829f00000000, 0x7549f53900000000, + 0x52a563a800000000, 0xe6ae140e00000000, 0x7bb4fc3f00000000, + 0xcfbf8b9900000000, 0x41812c5c00000000, 0xf58a5bfa00000000, + 0x6890b3cb00000000, 0xdc9bc46d00000000, 0x35eb8c9b00000000, + 0x81e0fb3d00000000, 0x1cfa130c00000000, 0xa8f164aa00000000, + 0x26cfc36f00000000, 0x92c4b4c900000000, 0x0fde5cf800000000, + 0xbbd52b5e00000000, 0x79750b4400000000, 0xcd7e7ce200000000, + 0x506494d300000000, 0xe46fe37500000000, 0x6a5144b000000000, + 0xde5a331600000000, 0x4340db2700000000, 0xf74bac8100000000, + 0x1e3be47700000000, 0xaa3093d100000000, 0x372a7be000000000, + 0x83210c4600000000, 0x0d1fab8300000000, 0xb914dc2500000000, + 0x240e341400000000, 0x900543b200000000, 0xb7e9d52300000000, + 0x03e2a28500000000, 0x9ef84ab400000000, 0x2af33d1200000000, + 0xa4cd9ad700000000, 0x10c6ed7100000000, 0x8ddc054000000000, + 0x39d772e600000000, 0xd0a73a1000000000, 0x64ac4db600000000, + 0xf9b6a58700000000, 0x4dbdd22100000000, 0xc38375e400000000, + 0x7788024200000000, 0xea92ea7300000000, 0x5e999dd500000000, + 0xe54cb68b00000000, 0x5147c12d00000000, 0xcc5d291c00000000, + 0x78565eba00000000, 0xf668f97f00000000, 0x42638ed900000000, + 0xdf7966e800000000, 0x6b72114e00000000, 0x820259b800000000, + 0x36092e1e00000000, 0xab13c62f00000000, 0x1f18b18900000000, + 0x9126164c00000000, 0x252d61ea00000000, 0xb83789db00000000, + 0x0c3cfe7d00000000, 0x2bd068ec00000000, 0x9fdb1f4a00000000, + 0x02c1f77b00000000, 0xb6ca80dd00000000, 0x38f4271800000000, + 0x8cff50be00000000, 0x11e5b88f00000000, 0xa5eecf2900000000, + 0x4c9e87df00000000, 0xf895f07900000000, 0x658f184800000000, + 0xd1846fee00000000, 0x5fbac82b00000000, 0xebb1bf8d00000000, + 0x76ab57bc00000000, 0xc2a0201a00000000, 0xf2ea168800000000, + 0x46e1612e00000000, 0xdbfb891f00000000, 0x6ff0feb900000000, + 0xe1ce597c00000000, 0x55c52eda00000000, 0xc8dfc6eb00000000, + 0x7cd4b14d00000000, 0x95a4f9bb00000000, 0x21af8e1d00000000, + 0xbcb5662c00000000, 0x08be118a00000000, 0x8680b64f00000000, + 0x328bc1e900000000, 0xaf9129d800000000, 0x1b9a5e7e00000000, + 0x3c76c8ef00000000, 0x887dbf4900000000, 0x1567577800000000, + 0xa16c20de00000000, 0x2f52871b00000000, 0x9b59f0bd00000000, + 0x0643188c00000000, 0xb2486f2a00000000, 0x5b3827dc00000000, + 0xef33507a00000000, 0x7229b84b00000000, 0xc622cfed00000000, + 0x481c682800000000, 0xfc171f8e00000000, 0x610df7bf00000000, + 0xd506801900000000, 0x6ed3ab4700000000, 0xdad8dce100000000, + 0x47c234d000000000, 0xf3c9437600000000, 0x7df7e4b300000000, + 0xc9fc931500000000, 0x54e67b2400000000, 0xe0ed0c8200000000, + 0x099d447400000000, 0xbd9633d200000000, 0x208cdbe300000000, + 0x9487ac4500000000, 0x1ab90b8000000000, 0xaeb27c2600000000, + 0x33a8941700000000, 0x87a3e3b100000000, 0xa04f752000000000, + 0x1444028600000000, 0x895eeab700000000, 0x3d559d1100000000, + 0xb36b3ad400000000, 0x07604d7200000000, 0x9a7aa54300000000, + 0x2e71d2e500000000, 0xc7019a1300000000, 0x730aedb500000000, + 0xee10058400000000, 0x5a1b722200000000, 0xd425d5e700000000, + 0x602ea24100000000, 0xfd344a7000000000, 0x493f3dd600000000, + 0x8b9f1dcc00000000, 0x3f946a6a00000000, 0xa28e825b00000000, + 0x1685f5fd00000000, 0x98bb523800000000, 0x2cb0259e00000000, + 0xb1aacdaf00000000, 0x05a1ba0900000000, 0xecd1f2ff00000000, + 0x58da855900000000, 0xc5c06d6800000000, 0x71cb1ace00000000, + 0xfff5bd0b00000000, 0x4bfecaad00000000, 0xd6e4229c00000000, + 0x62ef553a00000000, 0x4503c3ab00000000, 0xf108b40d00000000, + 0x6c125c3c00000000, 0xd8192b9a00000000, 0x56278c5f00000000, + 0xe22cfbf900000000, 0x7f3613c800000000, 0xcb3d646e00000000, + 0x224d2c9800000000, 0x96465b3e00000000, 0x0b5cb30f00000000, + 0xbf57c4a900000000, 0x3169636c00000000, 0x856214ca00000000, + 0x1878fcfb00000000, 0xac738b5d00000000, 0x17a6a00300000000, + 0xa3add7a500000000, 0x3eb73f9400000000, 0x8abc483200000000, + 0x0482eff700000000, 0xb089985100000000, 0x2d93706000000000, + 0x999807c600000000, 0x70e84f3000000000, 0xc4e3389600000000, + 0x59f9d0a700000000, 0xedf2a70100000000, 0x63cc00c400000000, + 0xd7c7776200000000, 0x4add9f5300000000, 0xfed6e8f500000000, + 0xd93a7e6400000000, 0x6d3109c200000000, 0xf02be1f300000000, + 0x4420965500000000, 0xca1e319000000000, 0x7e15463600000000, + 0xe30fae0700000000, 0x5704d9a100000000, 0xbe74915700000000, + 0x0a7fe6f100000000, 0x97650ec000000000, 0x236e796600000000, + 0xad50dea300000000, 0x195ba90500000000, 0x8441413400000000, + 0x304a369200000000}, + {0x0000000000000000, 0x9e00aacc00000000, 0x7d07254200000000, + 0xe3078f8e00000000, 0xfa0e4a8400000000, 0x640ee04800000000, + 0x87096fc600000000, 0x1909c50a00000000, 0xb51be5d300000000, + 0x2b1b4f1f00000000, 0xc81cc09100000000, 0x561c6a5d00000000, + 0x4f15af5700000000, 0xd115059b00000000, 0x32128a1500000000, + 0xac1220d900000000, 0x2b31bb7c00000000, 0xb53111b000000000, + 0x56369e3e00000000, 0xc83634f200000000, 0xd13ff1f800000000, + 0x4f3f5b3400000000, 0xac38d4ba00000000, 0x32387e7600000000, + 0x9e2a5eaf00000000, 0x002af46300000000, 0xe32d7bed00000000, + 0x7d2dd12100000000, 0x6424142b00000000, 0xfa24bee700000000, + 0x1923316900000000, 0x87239ba500000000, 0x566276f900000000, + 0xc862dc3500000000, 0x2b6553bb00000000, 0xb565f97700000000, + 0xac6c3c7d00000000, 0x326c96b100000000, 0xd16b193f00000000, + 0x4f6bb3f300000000, 0xe379932a00000000, 0x7d7939e600000000, + 0x9e7eb66800000000, 0x007e1ca400000000, 0x1977d9ae00000000, + 0x8777736200000000, 0x6470fcec00000000, 0xfa70562000000000, + 0x7d53cd8500000000, 0xe353674900000000, 0x0054e8c700000000, + 0x9e54420b00000000, 0x875d870100000000, 0x195d2dcd00000000, + 0xfa5aa24300000000, 0x645a088f00000000, 0xc848285600000000, + 0x5648829a00000000, 0xb54f0d1400000000, 0x2b4fa7d800000000, + 0x324662d200000000, 0xac46c81e00000000, 0x4f41479000000000, + 0xd141ed5c00000000, 0xedc29d2900000000, 0x73c237e500000000, + 0x90c5b86b00000000, 0x0ec512a700000000, 0x17ccd7ad00000000, + 0x89cc7d6100000000, 0x6acbf2ef00000000, 0xf4cb582300000000, + 0x58d978fa00000000, 0xc6d9d23600000000, 0x25de5db800000000, + 0xbbdef77400000000, 0xa2d7327e00000000, 0x3cd798b200000000, + 0xdfd0173c00000000, 0x41d0bdf000000000, 0xc6f3265500000000, + 0x58f38c9900000000, 0xbbf4031700000000, 0x25f4a9db00000000, + 0x3cfd6cd100000000, 0xa2fdc61d00000000, 0x41fa499300000000, + 0xdffae35f00000000, 0x73e8c38600000000, 0xede8694a00000000, + 0x0eefe6c400000000, 0x90ef4c0800000000, 0x89e6890200000000, + 0x17e623ce00000000, 0xf4e1ac4000000000, 0x6ae1068c00000000, + 0xbba0ebd000000000, 0x25a0411c00000000, 0xc6a7ce9200000000, + 0x58a7645e00000000, 0x41aea15400000000, 0xdfae0b9800000000, + 0x3ca9841600000000, 0xa2a92eda00000000, 0x0ebb0e0300000000, + 0x90bba4cf00000000, 0x73bc2b4100000000, 0xedbc818d00000000, + 0xf4b5448700000000, 0x6ab5ee4b00000000, 0x89b261c500000000, + 0x17b2cb0900000000, 0x909150ac00000000, 0x0e91fa6000000000, + 0xed9675ee00000000, 0x7396df2200000000, 0x6a9f1a2800000000, + 0xf49fb0e400000000, 0x17983f6a00000000, 0x899895a600000000, + 0x258ab57f00000000, 0xbb8a1fb300000000, 0x588d903d00000000, + 0xc68d3af100000000, 0xdf84fffb00000000, 0x4184553700000000, + 0xa283dab900000000, 0x3c83707500000000, 0xda853b5300000000, + 0x4485919f00000000, 0xa7821e1100000000, 0x3982b4dd00000000, + 0x208b71d700000000, 0xbe8bdb1b00000000, 0x5d8c549500000000, + 0xc38cfe5900000000, 0x6f9ede8000000000, 0xf19e744c00000000, + 0x1299fbc200000000, 0x8c99510e00000000, 0x9590940400000000, + 0x0b903ec800000000, 0xe897b14600000000, 0x76971b8a00000000, + 0xf1b4802f00000000, 0x6fb42ae300000000, 0x8cb3a56d00000000, + 0x12b30fa100000000, 0x0bbacaab00000000, 0x95ba606700000000, + 0x76bdefe900000000, 0xe8bd452500000000, 0x44af65fc00000000, + 0xdaafcf3000000000, 0x39a840be00000000, 0xa7a8ea7200000000, + 0xbea12f7800000000, 0x20a185b400000000, 0xc3a60a3a00000000, + 0x5da6a0f600000000, 0x8ce74daa00000000, 0x12e7e76600000000, + 0xf1e068e800000000, 0x6fe0c22400000000, 0x76e9072e00000000, + 0xe8e9ade200000000, 0x0bee226c00000000, 0x95ee88a000000000, + 0x39fca87900000000, 0xa7fc02b500000000, 0x44fb8d3b00000000, + 0xdafb27f700000000, 0xc3f2e2fd00000000, 0x5df2483100000000, + 0xbef5c7bf00000000, 0x20f56d7300000000, 0xa7d6f6d600000000, + 0x39d65c1a00000000, 0xdad1d39400000000, 0x44d1795800000000, + 0x5dd8bc5200000000, 0xc3d8169e00000000, 0x20df991000000000, + 0xbedf33dc00000000, 0x12cd130500000000, 0x8ccdb9c900000000, + 0x6fca364700000000, 0xf1ca9c8b00000000, 0xe8c3598100000000, + 0x76c3f34d00000000, 0x95c47cc300000000, 0x0bc4d60f00000000, + 0x3747a67a00000000, 0xa9470cb600000000, 0x4a40833800000000, + 0xd44029f400000000, 0xcd49ecfe00000000, 0x5349463200000000, + 0xb04ec9bc00000000, 0x2e4e637000000000, 0x825c43a900000000, + 0x1c5ce96500000000, 0xff5b66eb00000000, 0x615bcc2700000000, + 0x7852092d00000000, 0xe652a3e100000000, 0x05552c6f00000000, + 0x9b5586a300000000, 0x1c761d0600000000, 0x8276b7ca00000000, + 0x6171384400000000, 0xff71928800000000, 0xe678578200000000, + 0x7878fd4e00000000, 0x9b7f72c000000000, 0x057fd80c00000000, + 0xa96df8d500000000, 0x376d521900000000, 0xd46add9700000000, + 0x4a6a775b00000000, 0x5363b25100000000, 0xcd63189d00000000, + 0x2e64971300000000, 0xb0643ddf00000000, 0x6125d08300000000, + 0xff257a4f00000000, 0x1c22f5c100000000, 0x82225f0d00000000, + 0x9b2b9a0700000000, 0x052b30cb00000000, 0xe62cbf4500000000, + 0x782c158900000000, 0xd43e355000000000, 0x4a3e9f9c00000000, + 0xa939101200000000, 0x3739bade00000000, 0x2e307fd400000000, + 0xb030d51800000000, 0x53375a9600000000, 0xcd37f05a00000000, + 0x4a146bff00000000, 0xd414c13300000000, 0x37134ebd00000000, + 0xa913e47100000000, 0xb01a217b00000000, 0x2e1a8bb700000000, + 0xcd1d043900000000, 0x531daef500000000, 0xff0f8e2c00000000, + 0x610f24e000000000, 0x8208ab6e00000000, 0x1c0801a200000000, + 0x0501c4a800000000, 0x9b016e6400000000, 0x7806e1ea00000000, + 0xe6064b2600000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xb8bc6765, 0xaa09c88b, 0x12b5afee, 0x8f629757, + 0x37def032, 0x256b5fdc, 0x9dd738b9, 0xc5b428ef, 0x7d084f8a, + 0x6fbde064, 0xd7018701, 0x4ad6bfb8, 0xf26ad8dd, 0xe0df7733, + 0x58631056, 0x5019579f, 0xe8a530fa, 0xfa109f14, 0x42acf871, + 0xdf7bc0c8, 0x67c7a7ad, 0x75720843, 0xcdce6f26, 0x95ad7f70, + 0x2d111815, 0x3fa4b7fb, 0x8718d09e, 0x1acfe827, 0xa2738f42, + 0xb0c620ac, 0x087a47c9, 0xa032af3e, 0x188ec85b, 0x0a3b67b5, + 0xb28700d0, 0x2f503869, 0x97ec5f0c, 0x8559f0e2, 0x3de59787, + 0x658687d1, 0xdd3ae0b4, 0xcf8f4f5a, 0x7733283f, 0xeae41086, + 0x525877e3, 0x40edd80d, 0xf851bf68, 0xf02bf8a1, 0x48979fc4, + 0x5a22302a, 0xe29e574f, 0x7f496ff6, 0xc7f50893, 0xd540a77d, + 0x6dfcc018, 0x359fd04e, 0x8d23b72b, 0x9f9618c5, 0x272a7fa0, + 0xbafd4719, 0x0241207c, 0x10f48f92, 0xa848e8f7, 0x9b14583d, + 0x23a83f58, 0x311d90b6, 0x89a1f7d3, 0x1476cf6a, 0xaccaa80f, + 0xbe7f07e1, 0x06c36084, 0x5ea070d2, 0xe61c17b7, 0xf4a9b859, + 0x4c15df3c, 0xd1c2e785, 0x697e80e0, 0x7bcb2f0e, 0xc377486b, + 0xcb0d0fa2, 0x73b168c7, 0x6104c729, 0xd9b8a04c, 0x446f98f5, + 0xfcd3ff90, 0xee66507e, 0x56da371b, 0x0eb9274d, 0xb6054028, + 0xa4b0efc6, 0x1c0c88a3, 0x81dbb01a, 0x3967d77f, 0x2bd27891, + 0x936e1ff4, 0x3b26f703, 0x839a9066, 0x912f3f88, 0x299358ed, + 0xb4446054, 0x0cf80731, 0x1e4da8df, 0xa6f1cfba, 0xfe92dfec, + 0x462eb889, 0x549b1767, 0xec277002, 0x71f048bb, 0xc94c2fde, + 0xdbf98030, 0x6345e755, 0x6b3fa09c, 0xd383c7f9, 0xc1366817, + 0x798a0f72, 0xe45d37cb, 0x5ce150ae, 0x4e54ff40, 0xf6e89825, + 0xae8b8873, 0x1637ef16, 0x048240f8, 0xbc3e279d, 0x21e91f24, + 0x99557841, 0x8be0d7af, 0x335cb0ca, 0xed59b63b, 0x55e5d15e, + 0x47507eb0, 0xffec19d5, 0x623b216c, 0xda874609, 0xc832e9e7, + 0x708e8e82, 0x28ed9ed4, 0x9051f9b1, 0x82e4565f, 0x3a58313a, + 0xa78f0983, 0x1f336ee6, 0x0d86c108, 0xb53aa66d, 0xbd40e1a4, + 0x05fc86c1, 0x1749292f, 0xaff54e4a, 0x322276f3, 0x8a9e1196, + 0x982bbe78, 0x2097d91d, 0x78f4c94b, 0xc048ae2e, 0xd2fd01c0, + 0x6a4166a5, 0xf7965e1c, 0x4f2a3979, 0x5d9f9697, 0xe523f1f2, + 0x4d6b1905, 0xf5d77e60, 0xe762d18e, 0x5fdeb6eb, 0xc2098e52, + 0x7ab5e937, 0x680046d9, 0xd0bc21bc, 0x88df31ea, 0x3063568f, + 0x22d6f961, 0x9a6a9e04, 0x07bda6bd, 0xbf01c1d8, 0xadb46e36, + 0x15080953, 0x1d724e9a, 0xa5ce29ff, 0xb77b8611, 0x0fc7e174, + 0x9210d9cd, 0x2aacbea8, 0x38191146, 0x80a57623, 0xd8c66675, + 0x607a0110, 0x72cfaefe, 0xca73c99b, 0x57a4f122, 0xef189647, + 0xfdad39a9, 0x45115ecc, 0x764dee06, 0xcef18963, 0xdc44268d, + 0x64f841e8, 0xf92f7951, 0x41931e34, 0x5326b1da, 0xeb9ad6bf, + 0xb3f9c6e9, 0x0b45a18c, 0x19f00e62, 0xa14c6907, 0x3c9b51be, + 0x842736db, 0x96929935, 0x2e2efe50, 0x2654b999, 0x9ee8defc, + 0x8c5d7112, 0x34e11677, 0xa9362ece, 0x118a49ab, 0x033fe645, + 0xbb838120, 0xe3e09176, 0x5b5cf613, 0x49e959fd, 0xf1553e98, + 0x6c820621, 0xd43e6144, 0xc68bceaa, 0x7e37a9cf, 0xd67f4138, + 0x6ec3265d, 0x7c7689b3, 0xc4caeed6, 0x591dd66f, 0xe1a1b10a, + 0xf3141ee4, 0x4ba87981, 0x13cb69d7, 0xab770eb2, 0xb9c2a15c, + 0x017ec639, 0x9ca9fe80, 0x241599e5, 0x36a0360b, 0x8e1c516e, + 0x866616a7, 0x3eda71c2, 0x2c6fde2c, 0x94d3b949, 0x090481f0, + 0xb1b8e695, 0xa30d497b, 0x1bb12e1e, 0x43d23e48, 0xfb6e592d, + 0xe9dbf6c3, 0x516791a6, 0xccb0a91f, 0x740cce7a, 0x66b96194, + 0xde0506f1}, + {0x00000000, 0x01c26a37, 0x0384d46e, 0x0246be59, 0x0709a8dc, + 0x06cbc2eb, 0x048d7cb2, 0x054f1685, 0x0e1351b8, 0x0fd13b8f, + 0x0d9785d6, 0x0c55efe1, 0x091af964, 0x08d89353, 0x0a9e2d0a, + 0x0b5c473d, 0x1c26a370, 0x1de4c947, 0x1fa2771e, 0x1e601d29, + 0x1b2f0bac, 0x1aed619b, 0x18abdfc2, 0x1969b5f5, 0x1235f2c8, + 0x13f798ff, 0x11b126a6, 0x10734c91, 0x153c5a14, 0x14fe3023, + 0x16b88e7a, 0x177ae44d, 0x384d46e0, 0x398f2cd7, 0x3bc9928e, + 0x3a0bf8b9, 0x3f44ee3c, 0x3e86840b, 0x3cc03a52, 0x3d025065, + 0x365e1758, 0x379c7d6f, 0x35dac336, 0x3418a901, 0x3157bf84, + 0x3095d5b3, 0x32d36bea, 0x331101dd, 0x246be590, 0x25a98fa7, + 0x27ef31fe, 0x262d5bc9, 0x23624d4c, 0x22a0277b, 0x20e69922, + 0x2124f315, 0x2a78b428, 0x2bbade1f, 0x29fc6046, 0x283e0a71, + 0x2d711cf4, 0x2cb376c3, 0x2ef5c89a, 0x2f37a2ad, 0x709a8dc0, + 0x7158e7f7, 0x731e59ae, 0x72dc3399, 0x7793251c, 0x76514f2b, + 0x7417f172, 0x75d59b45, 0x7e89dc78, 0x7f4bb64f, 0x7d0d0816, + 0x7ccf6221, 0x798074a4, 0x78421e93, 0x7a04a0ca, 0x7bc6cafd, + 0x6cbc2eb0, 0x6d7e4487, 0x6f38fade, 0x6efa90e9, 0x6bb5866c, + 0x6a77ec5b, 0x68315202, 0x69f33835, 0x62af7f08, 0x636d153f, + 0x612bab66, 0x60e9c151, 0x65a6d7d4, 0x6464bde3, 0x662203ba, + 0x67e0698d, 0x48d7cb20, 0x4915a117, 0x4b531f4e, 0x4a917579, + 0x4fde63fc, 0x4e1c09cb, 0x4c5ab792, 0x4d98dda5, 0x46c49a98, + 0x4706f0af, 0x45404ef6, 0x448224c1, 0x41cd3244, 0x400f5873, + 0x4249e62a, 0x438b8c1d, 0x54f16850, 0x55330267, 0x5775bc3e, + 0x56b7d609, 0x53f8c08c, 0x523aaabb, 0x507c14e2, 0x51be7ed5, + 0x5ae239e8, 0x5b2053df, 0x5966ed86, 0x58a487b1, 0x5deb9134, + 0x5c29fb03, 0x5e6f455a, 0x5fad2f6d, 0xe1351b80, 0xe0f771b7, + 0xe2b1cfee, 0xe373a5d9, 0xe63cb35c, 0xe7fed96b, 0xe5b86732, + 0xe47a0d05, 0xef264a38, 0xeee4200f, 0xeca29e56, 0xed60f461, + 0xe82fe2e4, 0xe9ed88d3, 0xebab368a, 0xea695cbd, 0xfd13b8f0, + 0xfcd1d2c7, 0xfe976c9e, 0xff5506a9, 0xfa1a102c, 0xfbd87a1b, + 0xf99ec442, 0xf85cae75, 0xf300e948, 0xf2c2837f, 0xf0843d26, + 0xf1465711, 0xf4094194, 0xf5cb2ba3, 0xf78d95fa, 0xf64fffcd, + 0xd9785d60, 0xd8ba3757, 0xdafc890e, 0xdb3ee339, 0xde71f5bc, + 0xdfb39f8b, 0xddf521d2, 0xdc374be5, 0xd76b0cd8, 0xd6a966ef, + 0xd4efd8b6, 0xd52db281, 0xd062a404, 0xd1a0ce33, 0xd3e6706a, + 0xd2241a5d, 0xc55efe10, 0xc49c9427, 0xc6da2a7e, 0xc7184049, + 0xc25756cc, 0xc3953cfb, 0xc1d382a2, 0xc011e895, 0xcb4dafa8, + 0xca8fc59f, 0xc8c97bc6, 0xc90b11f1, 0xcc440774, 0xcd866d43, + 0xcfc0d31a, 0xce02b92d, 0x91af9640, 0x906dfc77, 0x922b422e, + 0x93e92819, 0x96a63e9c, 0x976454ab, 0x9522eaf2, 0x94e080c5, + 0x9fbcc7f8, 0x9e7eadcf, 0x9c381396, 0x9dfa79a1, 0x98b56f24, + 0x99770513, 0x9b31bb4a, 0x9af3d17d, 0x8d893530, 0x8c4b5f07, + 0x8e0de15e, 0x8fcf8b69, 0x8a809dec, 0x8b42f7db, 0x89044982, + 0x88c623b5, 0x839a6488, 0x82580ebf, 0x801eb0e6, 0x81dcdad1, + 0x8493cc54, 0x8551a663, 0x8717183a, 0x86d5720d, 0xa9e2d0a0, + 0xa820ba97, 0xaa6604ce, 0xaba46ef9, 0xaeeb787c, 0xaf29124b, + 0xad6fac12, 0xacadc625, 0xa7f18118, 0xa633eb2f, 0xa4755576, + 0xa5b73f41, 0xa0f829c4, 0xa13a43f3, 0xa37cfdaa, 0xa2be979d, + 0xb5c473d0, 0xb40619e7, 0xb640a7be, 0xb782cd89, 0xb2cddb0c, + 0xb30fb13b, 0xb1490f62, 0xb08b6555, 0xbbd72268, 0xba15485f, + 0xb853f606, 0xb9919c31, 0xbcde8ab4, 0xbd1ce083, 0xbf5a5eda, + 0xbe9834ed}, + {0x00000000, 0x191b3141, 0x32366282, 0x2b2d53c3, 0x646cc504, + 0x7d77f445, 0x565aa786, 0x4f4196c7, 0xc8d98a08, 0xd1c2bb49, + 0xfaefe88a, 0xe3f4d9cb, 0xacb54f0c, 0xb5ae7e4d, 0x9e832d8e, + 0x87981ccf, 0x4ac21251, 0x53d92310, 0x78f470d3, 0x61ef4192, + 0x2eaed755, 0x37b5e614, 0x1c98b5d7, 0x05838496, 0x821b9859, + 0x9b00a918, 0xb02dfadb, 0xa936cb9a, 0xe6775d5d, 0xff6c6c1c, + 0xd4413fdf, 0xcd5a0e9e, 0x958424a2, 0x8c9f15e3, 0xa7b24620, + 0xbea97761, 0xf1e8e1a6, 0xe8f3d0e7, 0xc3de8324, 0xdac5b265, + 0x5d5daeaa, 0x44469feb, 0x6f6bcc28, 0x7670fd69, 0x39316bae, + 0x202a5aef, 0x0b07092c, 0x121c386d, 0xdf4636f3, 0xc65d07b2, + 0xed705471, 0xf46b6530, 0xbb2af3f7, 0xa231c2b6, 0x891c9175, + 0x9007a034, 0x179fbcfb, 0x0e848dba, 0x25a9de79, 0x3cb2ef38, + 0x73f379ff, 0x6ae848be, 0x41c51b7d, 0x58de2a3c, 0xf0794f05, + 0xe9627e44, 0xc24f2d87, 0xdb541cc6, 0x94158a01, 0x8d0ebb40, + 0xa623e883, 0xbf38d9c2, 0x38a0c50d, 0x21bbf44c, 0x0a96a78f, + 0x138d96ce, 0x5ccc0009, 0x45d73148, 0x6efa628b, 0x77e153ca, + 0xbabb5d54, 0xa3a06c15, 0x888d3fd6, 0x91960e97, 0xded79850, + 0xc7cca911, 0xece1fad2, 0xf5facb93, 0x7262d75c, 0x6b79e61d, + 0x4054b5de, 0x594f849f, 0x160e1258, 0x0f152319, 0x243870da, + 0x3d23419b, 0x65fd6ba7, 0x7ce65ae6, 0x57cb0925, 0x4ed03864, + 0x0191aea3, 0x188a9fe2, 0x33a7cc21, 0x2abcfd60, 0xad24e1af, + 0xb43fd0ee, 0x9f12832d, 0x8609b26c, 0xc94824ab, 0xd05315ea, + 0xfb7e4629, 0xe2657768, 0x2f3f79f6, 0x362448b7, 0x1d091b74, + 0x04122a35, 0x4b53bcf2, 0x52488db3, 0x7965de70, 0x607eef31, + 0xe7e6f3fe, 0xfefdc2bf, 0xd5d0917c, 0xcccba03d, 0x838a36fa, + 0x9a9107bb, 0xb1bc5478, 0xa8a76539, 0x3b83984b, 0x2298a90a, + 0x09b5fac9, 0x10aecb88, 0x5fef5d4f, 0x46f46c0e, 0x6dd93fcd, + 0x74c20e8c, 0xf35a1243, 0xea412302, 0xc16c70c1, 0xd8774180, + 0x9736d747, 0x8e2de606, 0xa500b5c5, 0xbc1b8484, 0x71418a1a, + 0x685abb5b, 0x4377e898, 0x5a6cd9d9, 0x152d4f1e, 0x0c367e5f, + 0x271b2d9c, 0x3e001cdd, 0xb9980012, 0xa0833153, 0x8bae6290, + 0x92b553d1, 0xddf4c516, 0xc4eff457, 0xefc2a794, 0xf6d996d5, + 0xae07bce9, 0xb71c8da8, 0x9c31de6b, 0x852aef2a, 0xca6b79ed, + 0xd37048ac, 0xf85d1b6f, 0xe1462a2e, 0x66de36e1, 0x7fc507a0, + 0x54e85463, 0x4df36522, 0x02b2f3e5, 0x1ba9c2a4, 0x30849167, + 0x299fa026, 0xe4c5aeb8, 0xfdde9ff9, 0xd6f3cc3a, 0xcfe8fd7b, + 0x80a96bbc, 0x99b25afd, 0xb29f093e, 0xab84387f, 0x2c1c24b0, + 0x350715f1, 0x1e2a4632, 0x07317773, 0x4870e1b4, 0x516bd0f5, + 0x7a468336, 0x635db277, 0xcbfad74e, 0xd2e1e60f, 0xf9ccb5cc, + 0xe0d7848d, 0xaf96124a, 0xb68d230b, 0x9da070c8, 0x84bb4189, + 0x03235d46, 0x1a386c07, 0x31153fc4, 0x280e0e85, 0x674f9842, + 0x7e54a903, 0x5579fac0, 0x4c62cb81, 0x8138c51f, 0x9823f45e, + 0xb30ea79d, 0xaa1596dc, 0xe554001b, 0xfc4f315a, 0xd7626299, + 0xce7953d8, 0x49e14f17, 0x50fa7e56, 0x7bd72d95, 0x62cc1cd4, + 0x2d8d8a13, 0x3496bb52, 0x1fbbe891, 0x06a0d9d0, 0x5e7ef3ec, + 0x4765c2ad, 0x6c48916e, 0x7553a02f, 0x3a1236e8, 0x230907a9, + 0x0824546a, 0x113f652b, 0x96a779e4, 0x8fbc48a5, 0xa4911b66, + 0xbd8a2a27, 0xf2cbbce0, 0xebd08da1, 0xc0fdde62, 0xd9e6ef23, + 0x14bce1bd, 0x0da7d0fc, 0x268a833f, 0x3f91b27e, 0x70d024b9, + 0x69cb15f8, 0x42e6463b, 0x5bfd777a, 0xdc656bb5, 0xc57e5af4, + 0xee530937, 0xf7483876, 0xb809aeb1, 0xa1129ff0, 0x8a3fcc33, + 0x9324fd72}, + {0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x96300777, 0x2c610eee, 0xba510999, 0x19c46d07, + 0x8ff46a70, 0x35a563e9, 0xa395649e, 0x3288db0e, 0xa4b8dc79, + 0x1ee9d5e0, 0x88d9d297, 0x2b4cb609, 0xbd7cb17e, 0x072db8e7, + 0x911dbf90, 0x6410b71d, 0xf220b06a, 0x4871b9f3, 0xde41be84, + 0x7dd4da1a, 0xebe4dd6d, 0x51b5d4f4, 0xc785d383, 0x56986c13, + 0xc0a86b64, 0x7af962fd, 0xecc9658a, 0x4f5c0114, 0xd96c0663, + 0x633d0ffa, 0xf50d088d, 0xc8206e3b, 0x5e10694c, 0xe44160d5, + 0x727167a2, 0xd1e4033c, 0x47d4044b, 0xfd850dd2, 0x6bb50aa5, + 0xfaa8b535, 0x6c98b242, 0xd6c9bbdb, 0x40f9bcac, 0xe36cd832, + 0x755cdf45, 0xcf0dd6dc, 0x593dd1ab, 0xac30d926, 0x3a00de51, + 0x8051d7c8, 0x1661d0bf, 0xb5f4b421, 0x23c4b356, 0x9995bacf, + 0x0fa5bdb8, 0x9eb80228, 0x0888055f, 0xb2d90cc6, 0x24e90bb1, + 0x877c6f2f, 0x114c6858, 0xab1d61c1, 0x3d2d66b6, 0x9041dc76, + 0x0671db01, 0xbc20d298, 0x2a10d5ef, 0x8985b171, 0x1fb5b606, + 0xa5e4bf9f, 0x33d4b8e8, 0xa2c90778, 0x34f9000f, 0x8ea80996, + 0x18980ee1, 0xbb0d6a7f, 0x2d3d6d08, 0x976c6491, 0x015c63e6, + 0xf4516b6b, 0x62616c1c, 0xd8306585, 0x4e0062f2, 0xed95066c, + 0x7ba5011b, 0xc1f40882, 0x57c40ff5, 0xc6d9b065, 0x50e9b712, + 0xeab8be8b, 0x7c88b9fc, 0xdf1ddd62, 0x492dda15, 0xf37cd38c, + 0x654cd4fb, 0x5861b24d, 0xce51b53a, 0x7400bca3, 0xe230bbd4, + 0x41a5df4a, 0xd795d83d, 0x6dc4d1a4, 0xfbf4d6d3, 0x6ae96943, + 0xfcd96e34, 0x468867ad, 0xd0b860da, 0x732d0444, 0xe51d0333, + 0x5f4c0aaa, 0xc97c0ddd, 0x3c710550, 0xaa410227, 0x10100bbe, + 0x86200cc9, 0x25b56857, 0xb3856f20, 0x09d466b9, 0x9fe461ce, + 0x0ef9de5e, 0x98c9d929, 0x2298d0b0, 0xb4a8d7c7, 0x173db359, + 0x810db42e, 0x3b5cbdb7, 0xad6cbac0, 0x2083b8ed, 0xb6b3bf9a, + 0x0ce2b603, 0x9ad2b174, 0x3947d5ea, 0xaf77d29d, 0x1526db04, + 0x8316dc73, 0x120b63e3, 0x843b6494, 0x3e6a6d0d, 0xa85a6a7a, + 0x0bcf0ee4, 0x9dff0993, 0x27ae000a, 0xb19e077d, 0x44930ff0, + 0xd2a30887, 0x68f2011e, 0xfec20669, 0x5d5762f7, 0xcb676580, + 0x71366c19, 0xe7066b6e, 0x761bd4fe, 0xe02bd389, 0x5a7ada10, + 0xcc4add67, 0x6fdfb9f9, 0xf9efbe8e, 0x43beb717, 0xd58eb060, + 0xe8a3d6d6, 0x7e93d1a1, 0xc4c2d838, 0x52f2df4f, 0xf167bbd1, + 0x6757bca6, 0xdd06b53f, 0x4b36b248, 0xda2b0dd8, 0x4c1b0aaf, + 0xf64a0336, 0x607a0441, 0xc3ef60df, 0x55df67a8, 0xef8e6e31, + 0x79be6946, 0x8cb361cb, 0x1a8366bc, 0xa0d26f25, 0x36e26852, + 0x95770ccc, 0x03470bbb, 0xb9160222, 0x2f260555, 0xbe3bbac5, + 0x280bbdb2, 0x925ab42b, 0x046ab35c, 0xa7ffd7c2, 0x31cfd0b5, + 0x8b9ed92c, 0x1daede5b, 0xb0c2649b, 0x26f263ec, 0x9ca36a75, + 0x0a936d02, 0xa906099c, 0x3f360eeb, 0x85670772, 0x13570005, + 0x824abf95, 0x147ab8e2, 0xae2bb17b, 0x381bb60c, 0x9b8ed292, + 0x0dbed5e5, 0xb7efdc7c, 0x21dfdb0b, 0xd4d2d386, 0x42e2d4f1, + 0xf8b3dd68, 0x6e83da1f, 0xcd16be81, 0x5b26b9f6, 0xe177b06f, + 0x7747b718, 0xe65a0888, 0x706a0fff, 0xca3b0666, 0x5c0b0111, + 0xff9e658f, 0x69ae62f8, 0xd3ff6b61, 0x45cf6c16, 0x78e20aa0, + 0xeed20dd7, 0x5483044e, 0xc2b30339, 0x612667a7, 0xf71660d0, + 0x4d476949, 0xdb776e3e, 0x4a6ad1ae, 0xdc5ad6d9, 0x660bdf40, + 0xf03bd837, 0x53aebca9, 0xc59ebbde, 0x7fcfb247, 0xe9ffb530, + 0x1cf2bdbd, 0x8ac2baca, 0x3093b353, 0xa6a3b424, 0x0536d0ba, + 0x9306d7cd, 0x2957de54, 0xbf67d923, 0x2e7a66b3, 0xb84a61c4, + 0x021b685d, 0x942b6f2a, 0x37be0bb4, 0xa18e0cc3, 0x1bdf055a, + 0x8def022d}, + {0x00000000, 0x41311b19, 0x82623632, 0xc3532d2b, 0x04c56c64, + 0x45f4777d, 0x86a75a56, 0xc796414f, 0x088ad9c8, 0x49bbc2d1, + 0x8ae8effa, 0xcbd9f4e3, 0x0c4fb5ac, 0x4d7eaeb5, 0x8e2d839e, + 0xcf1c9887, 0x5112c24a, 0x1023d953, 0xd370f478, 0x9241ef61, + 0x55d7ae2e, 0x14e6b537, 0xd7b5981c, 0x96848305, 0x59981b82, + 0x18a9009b, 0xdbfa2db0, 0x9acb36a9, 0x5d5d77e6, 0x1c6c6cff, + 0xdf3f41d4, 0x9e0e5acd, 0xa2248495, 0xe3159f8c, 0x2046b2a7, + 0x6177a9be, 0xa6e1e8f1, 0xe7d0f3e8, 0x2483dec3, 0x65b2c5da, + 0xaaae5d5d, 0xeb9f4644, 0x28cc6b6f, 0x69fd7076, 0xae6b3139, + 0xef5a2a20, 0x2c09070b, 0x6d381c12, 0xf33646df, 0xb2075dc6, + 0x715470ed, 0x30656bf4, 0xf7f32abb, 0xb6c231a2, 0x75911c89, + 0x34a00790, 0xfbbc9f17, 0xba8d840e, 0x79dea925, 0x38efb23c, + 0xff79f373, 0xbe48e86a, 0x7d1bc541, 0x3c2ade58, 0x054f79f0, + 0x447e62e9, 0x872d4fc2, 0xc61c54db, 0x018a1594, 0x40bb0e8d, + 0x83e823a6, 0xc2d938bf, 0x0dc5a038, 0x4cf4bb21, 0x8fa7960a, + 0xce968d13, 0x0900cc5c, 0x4831d745, 0x8b62fa6e, 0xca53e177, + 0x545dbbba, 0x156ca0a3, 0xd63f8d88, 0x970e9691, 0x5098d7de, + 0x11a9ccc7, 0xd2fae1ec, 0x93cbfaf5, 0x5cd76272, 0x1de6796b, + 0xdeb55440, 0x9f844f59, 0x58120e16, 0x1923150f, 0xda703824, + 0x9b41233d, 0xa76bfd65, 0xe65ae67c, 0x2509cb57, 0x6438d04e, + 0xa3ae9101, 0xe29f8a18, 0x21cca733, 0x60fdbc2a, 0xafe124ad, + 0xeed03fb4, 0x2d83129f, 0x6cb20986, 0xab2448c9, 0xea1553d0, + 0x29467efb, 0x687765e2, 0xf6793f2f, 0xb7482436, 0x741b091d, + 0x352a1204, 0xf2bc534b, 0xb38d4852, 0x70de6579, 0x31ef7e60, + 0xfef3e6e7, 0xbfc2fdfe, 0x7c91d0d5, 0x3da0cbcc, 0xfa368a83, + 0xbb07919a, 0x7854bcb1, 0x3965a7a8, 0x4b98833b, 0x0aa99822, + 0xc9fab509, 0x88cbae10, 0x4f5def5f, 0x0e6cf446, 0xcd3fd96d, + 0x8c0ec274, 0x43125af3, 0x022341ea, 0xc1706cc1, 0x804177d8, + 0x47d73697, 0x06e62d8e, 0xc5b500a5, 0x84841bbc, 0x1a8a4171, + 0x5bbb5a68, 0x98e87743, 0xd9d96c5a, 0x1e4f2d15, 0x5f7e360c, + 0x9c2d1b27, 0xdd1c003e, 0x120098b9, 0x533183a0, 0x9062ae8b, + 0xd153b592, 0x16c5f4dd, 0x57f4efc4, 0x94a7c2ef, 0xd596d9f6, + 0xe9bc07ae, 0xa88d1cb7, 0x6bde319c, 0x2aef2a85, 0xed796bca, + 0xac4870d3, 0x6f1b5df8, 0x2e2a46e1, 0xe136de66, 0xa007c57f, + 0x6354e854, 0x2265f34d, 0xe5f3b202, 0xa4c2a91b, 0x67918430, + 0x26a09f29, 0xb8aec5e4, 0xf99fdefd, 0x3accf3d6, 0x7bfde8cf, + 0xbc6ba980, 0xfd5ab299, 0x3e099fb2, 0x7f3884ab, 0xb0241c2c, + 0xf1150735, 0x32462a1e, 0x73773107, 0xb4e17048, 0xf5d06b51, + 0x3683467a, 0x77b25d63, 0x4ed7facb, 0x0fe6e1d2, 0xccb5ccf9, + 0x8d84d7e0, 0x4a1296af, 0x0b238db6, 0xc870a09d, 0x8941bb84, + 0x465d2303, 0x076c381a, 0xc43f1531, 0x850e0e28, 0x42984f67, + 0x03a9547e, 0xc0fa7955, 0x81cb624c, 0x1fc53881, 0x5ef42398, + 0x9da70eb3, 0xdc9615aa, 0x1b0054e5, 0x5a314ffc, 0x996262d7, + 0xd85379ce, 0x174fe149, 0x567efa50, 0x952dd77b, 0xd41ccc62, + 0x138a8d2d, 0x52bb9634, 0x91e8bb1f, 0xd0d9a006, 0xecf37e5e, + 0xadc26547, 0x6e91486c, 0x2fa05375, 0xe836123a, 0xa9070923, + 0x6a542408, 0x2b653f11, 0xe479a796, 0xa548bc8f, 0x661b91a4, + 0x272a8abd, 0xe0bccbf2, 0xa18dd0eb, 0x62defdc0, 0x23efe6d9, + 0xbde1bc14, 0xfcd0a70d, 0x3f838a26, 0x7eb2913f, 0xb924d070, + 0xf815cb69, 0x3b46e642, 0x7a77fd5b, 0xb56b65dc, 0xf45a7ec5, + 0x370953ee, 0x763848f7, 0xb1ae09b8, 0xf09f12a1, 0x33cc3f8a, + 0x72fd2493}, + {0x00000000, 0x376ac201, 0x6ed48403, 0x59be4602, 0xdca80907, + 0xebc2cb06, 0xb27c8d04, 0x85164f05, 0xb851130e, 0x8f3bd10f, + 0xd685970d, 0xe1ef550c, 0x64f91a09, 0x5393d808, 0x0a2d9e0a, + 0x3d475c0b, 0x70a3261c, 0x47c9e41d, 0x1e77a21f, 0x291d601e, + 0xac0b2f1b, 0x9b61ed1a, 0xc2dfab18, 0xf5b56919, 0xc8f23512, + 0xff98f713, 0xa626b111, 0x914c7310, 0x145a3c15, 0x2330fe14, + 0x7a8eb816, 0x4de47a17, 0xe0464d38, 0xd72c8f39, 0x8e92c93b, + 0xb9f80b3a, 0x3cee443f, 0x0b84863e, 0x523ac03c, 0x6550023d, + 0x58175e36, 0x6f7d9c37, 0x36c3da35, 0x01a91834, 0x84bf5731, + 0xb3d59530, 0xea6bd332, 0xdd011133, 0x90e56b24, 0xa78fa925, + 0xfe31ef27, 0xc95b2d26, 0x4c4d6223, 0x7b27a022, 0x2299e620, + 0x15f32421, 0x28b4782a, 0x1fdeba2b, 0x4660fc29, 0x710a3e28, + 0xf41c712d, 0xc376b32c, 0x9ac8f52e, 0xada2372f, 0xc08d9a70, + 0xf7e75871, 0xae591e73, 0x9933dc72, 0x1c259377, 0x2b4f5176, + 0x72f11774, 0x459bd575, 0x78dc897e, 0x4fb64b7f, 0x16080d7d, + 0x2162cf7c, 0xa4748079, 0x931e4278, 0xcaa0047a, 0xfdcac67b, + 0xb02ebc6c, 0x87447e6d, 0xdefa386f, 0xe990fa6e, 0x6c86b56b, + 0x5bec776a, 0x02523168, 0x3538f369, 0x087faf62, 0x3f156d63, + 0x66ab2b61, 0x51c1e960, 0xd4d7a665, 0xe3bd6464, 0xba032266, + 0x8d69e067, 0x20cbd748, 0x17a11549, 0x4e1f534b, 0x7975914a, + 0xfc63de4f, 0xcb091c4e, 0x92b75a4c, 0xa5dd984d, 0x989ac446, + 0xaff00647, 0xf64e4045, 0xc1248244, 0x4432cd41, 0x73580f40, + 0x2ae64942, 0x1d8c8b43, 0x5068f154, 0x67023355, 0x3ebc7557, + 0x09d6b756, 0x8cc0f853, 0xbbaa3a52, 0xe2147c50, 0xd57ebe51, + 0xe839e25a, 0xdf53205b, 0x86ed6659, 0xb187a458, 0x3491eb5d, + 0x03fb295c, 0x5a456f5e, 0x6d2fad5f, 0x801b35e1, 0xb771f7e0, + 0xeecfb1e2, 0xd9a573e3, 0x5cb33ce6, 0x6bd9fee7, 0x3267b8e5, + 0x050d7ae4, 0x384a26ef, 0x0f20e4ee, 0x569ea2ec, 0x61f460ed, + 0xe4e22fe8, 0xd388ede9, 0x8a36abeb, 0xbd5c69ea, 0xf0b813fd, + 0xc7d2d1fc, 0x9e6c97fe, 0xa90655ff, 0x2c101afa, 0x1b7ad8fb, + 0x42c49ef9, 0x75ae5cf8, 0x48e900f3, 0x7f83c2f2, 0x263d84f0, + 0x115746f1, 0x944109f4, 0xa32bcbf5, 0xfa958df7, 0xcdff4ff6, + 0x605d78d9, 0x5737bad8, 0x0e89fcda, 0x39e33edb, 0xbcf571de, + 0x8b9fb3df, 0xd221f5dd, 0xe54b37dc, 0xd80c6bd7, 0xef66a9d6, + 0xb6d8efd4, 0x81b22dd5, 0x04a462d0, 0x33cea0d1, 0x6a70e6d3, + 0x5d1a24d2, 0x10fe5ec5, 0x27949cc4, 0x7e2adac6, 0x494018c7, + 0xcc5657c2, 0xfb3c95c3, 0xa282d3c1, 0x95e811c0, 0xa8af4dcb, + 0x9fc58fca, 0xc67bc9c8, 0xf1110bc9, 0x740744cc, 0x436d86cd, + 0x1ad3c0cf, 0x2db902ce, 0x4096af91, 0x77fc6d90, 0x2e422b92, + 0x1928e993, 0x9c3ea696, 0xab546497, 0xf2ea2295, 0xc580e094, + 0xf8c7bc9f, 0xcfad7e9e, 0x9613389c, 0xa179fa9d, 0x246fb598, + 0x13057799, 0x4abb319b, 0x7dd1f39a, 0x3035898d, 0x075f4b8c, + 0x5ee10d8e, 0x698bcf8f, 0xec9d808a, 0xdbf7428b, 0x82490489, + 0xb523c688, 0x88649a83, 0xbf0e5882, 0xe6b01e80, 0xd1dadc81, + 0x54cc9384, 0x63a65185, 0x3a181787, 0x0d72d586, 0xa0d0e2a9, + 0x97ba20a8, 0xce0466aa, 0xf96ea4ab, 0x7c78ebae, 0x4b1229af, + 0x12ac6fad, 0x25c6adac, 0x1881f1a7, 0x2feb33a6, 0x765575a4, + 0x413fb7a5, 0xc429f8a0, 0xf3433aa1, 0xaafd7ca3, 0x9d97bea2, + 0xd073c4b5, 0xe71906b4, 0xbea740b6, 0x89cd82b7, 0x0cdbcdb2, + 0x3bb10fb3, 0x620f49b1, 0x55658bb0, 0x6822d7bb, 0x5f4815ba, + 0x06f653b8, 0x319c91b9, 0xb48adebc, 0x83e01cbd, 0xda5e5abf, + 0xed3498be}, + {0x00000000, 0x6567bcb8, 0x8bc809aa, 0xeeafb512, 0x5797628f, + 0x32f0de37, 0xdc5f6b25, 0xb938d79d, 0xef28b4c5, 0x8a4f087d, + 0x64e0bd6f, 0x018701d7, 0xb8bfd64a, 0xddd86af2, 0x3377dfe0, + 0x56106358, 0x9f571950, 0xfa30a5e8, 0x149f10fa, 0x71f8ac42, + 0xc8c07bdf, 0xada7c767, 0x43087275, 0x266fcecd, 0x707fad95, + 0x1518112d, 0xfbb7a43f, 0x9ed01887, 0x27e8cf1a, 0x428f73a2, + 0xac20c6b0, 0xc9477a08, 0x3eaf32a0, 0x5bc88e18, 0xb5673b0a, + 0xd00087b2, 0x6938502f, 0x0c5fec97, 0xe2f05985, 0x8797e53d, + 0xd1878665, 0xb4e03add, 0x5a4f8fcf, 0x3f283377, 0x8610e4ea, + 0xe3775852, 0x0dd8ed40, 0x68bf51f8, 0xa1f82bf0, 0xc49f9748, + 0x2a30225a, 0x4f579ee2, 0xf66f497f, 0x9308f5c7, 0x7da740d5, + 0x18c0fc6d, 0x4ed09f35, 0x2bb7238d, 0xc518969f, 0xa07f2a27, + 0x1947fdba, 0x7c204102, 0x928ff410, 0xf7e848a8, 0x3d58149b, + 0x583fa823, 0xb6901d31, 0xd3f7a189, 0x6acf7614, 0x0fa8caac, + 0xe1077fbe, 0x8460c306, 0xd270a05e, 0xb7171ce6, 0x59b8a9f4, + 0x3cdf154c, 0x85e7c2d1, 0xe0807e69, 0x0e2fcb7b, 0x6b4877c3, + 0xa20f0dcb, 0xc768b173, 0x29c70461, 0x4ca0b8d9, 0xf5986f44, + 0x90ffd3fc, 0x7e5066ee, 0x1b37da56, 0x4d27b90e, 0x284005b6, + 0xc6efb0a4, 0xa3880c1c, 0x1ab0db81, 0x7fd76739, 0x9178d22b, + 0xf41f6e93, 0x03f7263b, 0x66909a83, 0x883f2f91, 0xed589329, + 0x546044b4, 0x3107f80c, 0xdfa84d1e, 0xbacff1a6, 0xecdf92fe, + 0x89b82e46, 0x67179b54, 0x027027ec, 0xbb48f071, 0xde2f4cc9, + 0x3080f9db, 0x55e74563, 0x9ca03f6b, 0xf9c783d3, 0x176836c1, + 0x720f8a79, 0xcb375de4, 0xae50e15c, 0x40ff544e, 0x2598e8f6, + 0x73888bae, 0x16ef3716, 0xf8408204, 0x9d273ebc, 0x241fe921, + 0x41785599, 0xafd7e08b, 0xcab05c33, 0x3bb659ed, 0x5ed1e555, + 0xb07e5047, 0xd519ecff, 0x6c213b62, 0x094687da, 0xe7e932c8, + 0x828e8e70, 0xd49eed28, 0xb1f95190, 0x5f56e482, 0x3a31583a, + 0x83098fa7, 0xe66e331f, 0x08c1860d, 0x6da63ab5, 0xa4e140bd, + 0xc186fc05, 0x2f294917, 0x4a4ef5af, 0xf3762232, 0x96119e8a, + 0x78be2b98, 0x1dd99720, 0x4bc9f478, 0x2eae48c0, 0xc001fdd2, + 0xa566416a, 0x1c5e96f7, 0x79392a4f, 0x97969f5d, 0xf2f123e5, + 0x05196b4d, 0x607ed7f5, 0x8ed162e7, 0xebb6de5f, 0x528e09c2, + 0x37e9b57a, 0xd9460068, 0xbc21bcd0, 0xea31df88, 0x8f566330, + 0x61f9d622, 0x049e6a9a, 0xbda6bd07, 0xd8c101bf, 0x366eb4ad, + 0x53090815, 0x9a4e721d, 0xff29cea5, 0x11867bb7, 0x74e1c70f, + 0xcdd91092, 0xa8beac2a, 0x46111938, 0x2376a580, 0x7566c6d8, + 0x10017a60, 0xfeaecf72, 0x9bc973ca, 0x22f1a457, 0x479618ef, + 0xa939adfd, 0xcc5e1145, 0x06ee4d76, 0x6389f1ce, 0x8d2644dc, + 0xe841f864, 0x51792ff9, 0x341e9341, 0xdab12653, 0xbfd69aeb, + 0xe9c6f9b3, 0x8ca1450b, 0x620ef019, 0x07694ca1, 0xbe519b3c, + 0xdb362784, 0x35999296, 0x50fe2e2e, 0x99b95426, 0xfcdee89e, + 0x12715d8c, 0x7716e134, 0xce2e36a9, 0xab498a11, 0x45e63f03, + 0x208183bb, 0x7691e0e3, 0x13f65c5b, 0xfd59e949, 0x983e55f1, + 0x2106826c, 0x44613ed4, 0xaace8bc6, 0xcfa9377e, 0x38417fd6, + 0x5d26c36e, 0xb389767c, 0xd6eecac4, 0x6fd61d59, 0x0ab1a1e1, + 0xe41e14f3, 0x8179a84b, 0xd769cb13, 0xb20e77ab, 0x5ca1c2b9, + 0x39c67e01, 0x80fea99c, 0xe5991524, 0x0b36a036, 0x6e511c8e, + 0xa7166686, 0xc271da3e, 0x2cde6f2c, 0x49b9d394, 0xf0810409, + 0x95e6b8b1, 0x7b490da3, 0x1e2eb11b, 0x483ed243, 0x2d596efb, + 0xc3f6dbe9, 0xa6916751, 0x1fa9b0cc, 0x7ace0c74, 0x9461b966, + 0xf10605de}}; + +#endif + +#endif + +#if N == 2 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xae689191, 0x87a02563, 0x29c8b4f2, 0xd4314c87, + 0x7a59dd16, 0x539169e4, 0xfdf9f875, 0x73139f4f, 0xdd7b0ede, + 0xf4b3ba2c, 0x5adb2bbd, 0xa722d3c8, 0x094a4259, 0x2082f6ab, + 0x8eea673a, 0xe6273e9e, 0x484faf0f, 0x61871bfd, 0xcfef8a6c, + 0x32167219, 0x9c7ee388, 0xb5b6577a, 0x1bdec6eb, 0x9534a1d1, + 0x3b5c3040, 0x129484b2, 0xbcfc1523, 0x4105ed56, 0xef6d7cc7, + 0xc6a5c835, 0x68cd59a4, 0x173f7b7d, 0xb957eaec, 0x909f5e1e, + 0x3ef7cf8f, 0xc30e37fa, 0x6d66a66b, 0x44ae1299, 0xeac68308, + 0x642ce432, 0xca4475a3, 0xe38cc151, 0x4de450c0, 0xb01da8b5, + 0x1e753924, 0x37bd8dd6, 0x99d51c47, 0xf11845e3, 0x5f70d472, + 0x76b86080, 0xd8d0f111, 0x25290964, 0x8b4198f5, 0xa2892c07, + 0x0ce1bd96, 0x820bdaac, 0x2c634b3d, 0x05abffcf, 0xabc36e5e, + 0x563a962b, 0xf85207ba, 0xd19ab348, 0x7ff222d9, 0x2e7ef6fa, + 0x8016676b, 0xa9ded399, 0x07b64208, 0xfa4fba7d, 0x54272bec, + 0x7def9f1e, 0xd3870e8f, 0x5d6d69b5, 0xf305f824, 0xdacd4cd6, + 0x74a5dd47, 0x895c2532, 0x2734b4a3, 0x0efc0051, 0xa09491c0, + 0xc859c864, 0x663159f5, 0x4ff9ed07, 0xe1917c96, 0x1c6884e3, + 0xb2001572, 0x9bc8a180, 0x35a03011, 0xbb4a572b, 0x1522c6ba, + 0x3cea7248, 0x9282e3d9, 0x6f7b1bac, 0xc1138a3d, 0xe8db3ecf, + 0x46b3af5e, 0x39418d87, 0x97291c16, 0xbee1a8e4, 0x10893975, + 0xed70c100, 0x43185091, 0x6ad0e463, 0xc4b875f2, 0x4a5212c8, + 0xe43a8359, 0xcdf237ab, 0x639aa63a, 0x9e635e4f, 0x300bcfde, + 0x19c37b2c, 0xb7abeabd, 0xdf66b319, 0x710e2288, 0x58c6967a, + 0xf6ae07eb, 0x0b57ff9e, 0xa53f6e0f, 0x8cf7dafd, 0x229f4b6c, + 0xac752c56, 0x021dbdc7, 0x2bd50935, 0x85bd98a4, 0x784460d1, + 0xd62cf140, 0xffe445b2, 0x518cd423, 0x5cfdedf4, 0xf2957c65, + 0xdb5dc897, 0x75355906, 0x88cca173, 0x26a430e2, 0x0f6c8410, + 0xa1041581, 0x2fee72bb, 0x8186e32a, 0xa84e57d8, 0x0626c649, + 0xfbdf3e3c, 0x55b7afad, 0x7c7f1b5f, 0xd2178ace, 0xbadad36a, + 0x14b242fb, 0x3d7af609, 0x93126798, 0x6eeb9fed, 0xc0830e7c, + 0xe94bba8e, 0x47232b1f, 0xc9c94c25, 0x67a1ddb4, 0x4e696946, + 0xe001f8d7, 0x1df800a2, 0xb3909133, 0x9a5825c1, 0x3430b450, + 0x4bc29689, 0xe5aa0718, 0xcc62b3ea, 0x620a227b, 0x9ff3da0e, + 0x319b4b9f, 0x1853ff6d, 0xb63b6efc, 0x38d109c6, 0x96b99857, + 0xbf712ca5, 0x1119bd34, 0xece04541, 0x4288d4d0, 0x6b406022, + 0xc528f1b3, 0xade5a817, 0x038d3986, 0x2a458d74, 0x842d1ce5, + 0x79d4e490, 0xd7bc7501, 0xfe74c1f3, 0x501c5062, 0xdef63758, + 0x709ea6c9, 0x5956123b, 0xf73e83aa, 0x0ac77bdf, 0xa4afea4e, + 0x8d675ebc, 0x230fcf2d, 0x72831b0e, 0xdceb8a9f, 0xf5233e6d, + 0x5b4baffc, 0xa6b25789, 0x08dac618, 0x211272ea, 0x8f7ae37b, + 0x01908441, 0xaff815d0, 0x8630a122, 0x285830b3, 0xd5a1c8c6, + 0x7bc95957, 0x5201eda5, 0xfc697c34, 0x94a42590, 0x3accb401, + 0x130400f3, 0xbd6c9162, 0x40956917, 0xeefdf886, 0xc7354c74, + 0x695ddde5, 0xe7b7badf, 0x49df2b4e, 0x60179fbc, 0xce7f0e2d, + 0x3386f658, 0x9dee67c9, 0xb426d33b, 0x1a4e42aa, 0x65bc6073, + 0xcbd4f1e2, 0xe21c4510, 0x4c74d481, 0xb18d2cf4, 0x1fe5bd65, + 0x362d0997, 0x98459806, 0x16afff3c, 0xb8c76ead, 0x910fda5f, + 0x3f674bce, 0xc29eb3bb, 0x6cf6222a, 0x453e96d8, 0xeb560749, + 0x839b5eed, 0x2df3cf7c, 0x043b7b8e, 0xaa53ea1f, 0x57aa126a, + 0xf9c283fb, 0xd00a3709, 0x7e62a698, 0xf088c1a2, 0x5ee05033, + 0x7728e4c1, 0xd9407550, 0x24b98d25, 0x8ad11cb4, 0xa319a846, + 0x0d7139d7}, + {0x00000000, 0xb9fbdbe8, 0xa886b191, 0x117d6a79, 0x8a7c6563, + 0x3387be8b, 0x22fad4f2, 0x9b010f1a, 0xcf89cc87, 0x7672176f, + 0x670f7d16, 0xdef4a6fe, 0x45f5a9e4, 0xfc0e720c, 0xed731875, + 0x5488c39d, 0x44629f4f, 0xfd9944a7, 0xece42ede, 0x551ff536, + 0xce1efa2c, 0x77e521c4, 0x66984bbd, 0xdf639055, 0x8beb53c8, + 0x32108820, 0x236de259, 0x9a9639b1, 0x019736ab, 0xb86ced43, + 0xa911873a, 0x10ea5cd2, 0x88c53e9e, 0x313ee576, 0x20438f0f, + 0x99b854e7, 0x02b95bfd, 0xbb428015, 0xaa3fea6c, 0x13c43184, + 0x474cf219, 0xfeb729f1, 0xefca4388, 0x56319860, 0xcd30977a, + 0x74cb4c92, 0x65b626eb, 0xdc4dfd03, 0xcca7a1d1, 0x755c7a39, + 0x64211040, 0xdddacba8, 0x46dbc4b2, 0xff201f5a, 0xee5d7523, + 0x57a6aecb, 0x032e6d56, 0xbad5b6be, 0xaba8dcc7, 0x1253072f, + 0x89520835, 0x30a9d3dd, 0x21d4b9a4, 0x982f624c, 0xcafb7b7d, + 0x7300a095, 0x627dcaec, 0xdb861104, 0x40871e1e, 0xf97cc5f6, + 0xe801af8f, 0x51fa7467, 0x0572b7fa, 0xbc896c12, 0xadf4066b, + 0x140fdd83, 0x8f0ed299, 0x36f50971, 0x27886308, 0x9e73b8e0, + 0x8e99e432, 0x37623fda, 0x261f55a3, 0x9fe48e4b, 0x04e58151, + 0xbd1e5ab9, 0xac6330c0, 0x1598eb28, 0x411028b5, 0xf8ebf35d, + 0xe9969924, 0x506d42cc, 0xcb6c4dd6, 0x7297963e, 0x63eafc47, + 0xda1127af, 0x423e45e3, 0xfbc59e0b, 0xeab8f472, 0x53432f9a, + 0xc8422080, 0x71b9fb68, 0x60c49111, 0xd93f4af9, 0x8db78964, + 0x344c528c, 0x253138f5, 0x9ccae31d, 0x07cbec07, 0xbe3037ef, + 0xaf4d5d96, 0x16b6867e, 0x065cdaac, 0xbfa70144, 0xaeda6b3d, + 0x1721b0d5, 0x8c20bfcf, 0x35db6427, 0x24a60e5e, 0x9d5dd5b6, + 0xc9d5162b, 0x702ecdc3, 0x6153a7ba, 0xd8a87c52, 0x43a97348, + 0xfa52a8a0, 0xeb2fc2d9, 0x52d41931, 0x4e87f0bb, 0xf77c2b53, + 0xe601412a, 0x5ffa9ac2, 0xc4fb95d8, 0x7d004e30, 0x6c7d2449, + 0xd586ffa1, 0x810e3c3c, 0x38f5e7d4, 0x29888dad, 0x90735645, + 0x0b72595f, 0xb28982b7, 0xa3f4e8ce, 0x1a0f3326, 0x0ae56ff4, + 0xb31eb41c, 0xa263de65, 0x1b98058d, 0x80990a97, 0x3962d17f, + 0x281fbb06, 0x91e460ee, 0xc56ca373, 0x7c97789b, 0x6dea12e2, + 0xd411c90a, 0x4f10c610, 0xf6eb1df8, 0xe7967781, 0x5e6dac69, + 0xc642ce25, 0x7fb915cd, 0x6ec47fb4, 0xd73fa45c, 0x4c3eab46, + 0xf5c570ae, 0xe4b81ad7, 0x5d43c13f, 0x09cb02a2, 0xb030d94a, + 0xa14db333, 0x18b668db, 0x83b767c1, 0x3a4cbc29, 0x2b31d650, + 0x92ca0db8, 0x8220516a, 0x3bdb8a82, 0x2aa6e0fb, 0x935d3b13, + 0x085c3409, 0xb1a7efe1, 0xa0da8598, 0x19215e70, 0x4da99ded, + 0xf4524605, 0xe52f2c7c, 0x5cd4f794, 0xc7d5f88e, 0x7e2e2366, + 0x6f53491f, 0xd6a892f7, 0x847c8bc6, 0x3d87502e, 0x2cfa3a57, + 0x9501e1bf, 0x0e00eea5, 0xb7fb354d, 0xa6865f34, 0x1f7d84dc, + 0x4bf54741, 0xf20e9ca9, 0xe373f6d0, 0x5a882d38, 0xc1892222, + 0x7872f9ca, 0x690f93b3, 0xd0f4485b, 0xc01e1489, 0x79e5cf61, + 0x6898a518, 0xd1637ef0, 0x4a6271ea, 0xf399aa02, 0xe2e4c07b, + 0x5b1f1b93, 0x0f97d80e, 0xb66c03e6, 0xa711699f, 0x1eeab277, + 0x85ebbd6d, 0x3c106685, 0x2d6d0cfc, 0x9496d714, 0x0cb9b558, + 0xb5426eb0, 0xa43f04c9, 0x1dc4df21, 0x86c5d03b, 0x3f3e0bd3, + 0x2e4361aa, 0x97b8ba42, 0xc33079df, 0x7acba237, 0x6bb6c84e, + 0xd24d13a6, 0x494c1cbc, 0xf0b7c754, 0xe1caad2d, 0x583176c5, + 0x48db2a17, 0xf120f1ff, 0xe05d9b86, 0x59a6406e, 0xc2a74f74, + 0x7b5c949c, 0x6a21fee5, 0xd3da250d, 0x8752e690, 0x3ea93d78, + 0x2fd45701, 0x962f8ce9, 0x0d2e83f3, 0xb4d5581b, 0xa5a83262, + 0x1c53e98a}, + {0x00000000, 0x9d0fe176, 0xe16ec4ad, 0x7c6125db, 0x19ac8f1b, + 0x84a36e6d, 0xf8c24bb6, 0x65cdaac0, 0x33591e36, 0xae56ff40, + 0xd237da9b, 0x4f383bed, 0x2af5912d, 0xb7fa705b, 0xcb9b5580, + 0x5694b4f6, 0x66b23c6c, 0xfbbddd1a, 0x87dcf8c1, 0x1ad319b7, + 0x7f1eb377, 0xe2115201, 0x9e7077da, 0x037f96ac, 0x55eb225a, + 0xc8e4c32c, 0xb485e6f7, 0x298a0781, 0x4c47ad41, 0xd1484c37, + 0xad2969ec, 0x3026889a, 0xcd6478d8, 0x506b99ae, 0x2c0abc75, + 0xb1055d03, 0xd4c8f7c3, 0x49c716b5, 0x35a6336e, 0xa8a9d218, + 0xfe3d66ee, 0x63328798, 0x1f53a243, 0x825c4335, 0xe791e9f5, + 0x7a9e0883, 0x06ff2d58, 0x9bf0cc2e, 0xabd644b4, 0x36d9a5c2, + 0x4ab88019, 0xd7b7616f, 0xb27acbaf, 0x2f752ad9, 0x53140f02, + 0xce1bee74, 0x988f5a82, 0x0580bbf4, 0x79e19e2f, 0xe4ee7f59, + 0x8123d599, 0x1c2c34ef, 0x604d1134, 0xfd42f042, 0x41b9f7f1, + 0xdcb61687, 0xa0d7335c, 0x3dd8d22a, 0x581578ea, 0xc51a999c, + 0xb97bbc47, 0x24745d31, 0x72e0e9c7, 0xefef08b1, 0x938e2d6a, + 0x0e81cc1c, 0x6b4c66dc, 0xf64387aa, 0x8a22a271, 0x172d4307, + 0x270bcb9d, 0xba042aeb, 0xc6650f30, 0x5b6aee46, 0x3ea74486, + 0xa3a8a5f0, 0xdfc9802b, 0x42c6615d, 0x1452d5ab, 0x895d34dd, + 0xf53c1106, 0x6833f070, 0x0dfe5ab0, 0x90f1bbc6, 0xec909e1d, + 0x719f7f6b, 0x8cdd8f29, 0x11d26e5f, 0x6db34b84, 0xf0bcaaf2, + 0x95710032, 0x087ee144, 0x741fc49f, 0xe91025e9, 0xbf84911f, + 0x228b7069, 0x5eea55b2, 0xc3e5b4c4, 0xa6281e04, 0x3b27ff72, + 0x4746daa9, 0xda493bdf, 0xea6fb345, 0x77605233, 0x0b0177e8, + 0x960e969e, 0xf3c33c5e, 0x6eccdd28, 0x12adf8f3, 0x8fa21985, + 0xd936ad73, 0x44394c05, 0x385869de, 0xa55788a8, 0xc09a2268, + 0x5d95c31e, 0x21f4e6c5, 0xbcfb07b3, 0x8373efe2, 0x1e7c0e94, + 0x621d2b4f, 0xff12ca39, 0x9adf60f9, 0x07d0818f, 0x7bb1a454, + 0xe6be4522, 0xb02af1d4, 0x2d2510a2, 0x51443579, 0xcc4bd40f, + 0xa9867ecf, 0x34899fb9, 0x48e8ba62, 0xd5e75b14, 0xe5c1d38e, + 0x78ce32f8, 0x04af1723, 0x99a0f655, 0xfc6d5c95, 0x6162bde3, + 0x1d039838, 0x800c794e, 0xd698cdb8, 0x4b972cce, 0x37f60915, + 0xaaf9e863, 0xcf3442a3, 0x523ba3d5, 0x2e5a860e, 0xb3556778, + 0x4e17973a, 0xd318764c, 0xaf795397, 0x3276b2e1, 0x57bb1821, + 0xcab4f957, 0xb6d5dc8c, 0x2bda3dfa, 0x7d4e890c, 0xe041687a, + 0x9c204da1, 0x012facd7, 0x64e20617, 0xf9ede761, 0x858cc2ba, + 0x188323cc, 0x28a5ab56, 0xb5aa4a20, 0xc9cb6ffb, 0x54c48e8d, + 0x3109244d, 0xac06c53b, 0xd067e0e0, 0x4d680196, 0x1bfcb560, + 0x86f35416, 0xfa9271cd, 0x679d90bb, 0x02503a7b, 0x9f5fdb0d, + 0xe33efed6, 0x7e311fa0, 0xc2ca1813, 0x5fc5f965, 0x23a4dcbe, + 0xbeab3dc8, 0xdb669708, 0x4669767e, 0x3a0853a5, 0xa707b2d3, + 0xf1930625, 0x6c9ce753, 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0x34e7416b, + 0xf5699eab, 0xdc528b28, 0x1ddc54e8, 0x843e32e9, 0x45b0ed29, + 0x78bedd24, 0xb93002e4, 0x20d264e5, 0xe15cbb25, 0xc867aea6, + 0x09e97166, 0x900b1767, 0x5185c8a7, 0xc27d3c61, 0x03f3e3a1, + 0x9a1185a0, 0x5b9f5a60, 0x72a44fe3, 0xb32a9023, 0x2ac8f622, + 0xeb4629e2, 0x50d49638, 0x915a49f8, 0x08b82ff9, 0xc936f039, + 0xe00de5ba, 0x21833a7a, 0xb8615c7b, 0x79ef83bb, 0xea17777d, + 0x2b99a8bd, 0xb27bcebc, 0x73f5117c, 0x5ace04ff, 0x9b40db3f, + 0x02a2bd3e, 0xc32c62fe, 0xfe2252f3, 0x3fac8d33, 0xa64eeb32, + 0x67c034f2, 0x4efb2171, 0x8f75feb1, 0x169798b0, 0xd7194770, + 0x44e1b3b6, 0x856f6c76, 0x1c8d0a77, 0xdd03d5b7, 0xf438c034, + 0x35b61ff4, 0xac5479f5, 0x6ddaa635, 0x77e1359f, 0xb66fea5f, + 0x2f8d8c5e, 0xee03539e, 0xc738461d, 0x06b699dd, 0x9f54ffdc, + 0x5eda201c, 0xcd22d4da, 0x0cac0b1a, 0x954e6d1b, 0x54c0b2db, + 0x7dfba758, 0xbc757898, 0x25971e99, 0xe419c159, 0xd917f154, + 0x18992e94, 0x817b4895, 0x40f59755, 0x69ce82d6, 0xa8405d16, + 0x31a23b17, 0xf02ce4d7, 0x63d41011, 0xa25acfd1, 0x3bb8a9d0, + 0xfa367610, 0xd30d6393, 0x1283bc53, 0x8b61da52, 0x4aef0592, + 0xf17dba48, 0x30f36588, 0xa9110389, 0x689fdc49, 0x41a4c9ca, + 0x802a160a, 0x19c8700b, 0xd846afcb, 0x4bbe5b0d, 0x8a3084cd, + 0x13d2e2cc, 0xd25c3d0c, 0xfb67288f, 0x3ae9f74f, 0xa30b914e, + 0x62854e8e, 0x5f8b7e83, 0x9e05a143, 0x07e7c742, 0xc6691882, + 0xef520d01, 0x2edcd2c1, 0xb73eb4c0, 0x76b06b00, 0xe5489fc6, + 0x24c64006, 0xbd242607, 0x7caaf9c7, 0x5591ec44, 0x941f3384, + 0x0dfd5585, 0xcc738a45, 0xa1a92c70, 0x6027f3b0, 0xf9c595b1, + 0x384b4a71, 0x11705ff2, 0xd0fe8032, 0x491ce633, 0x889239f3, + 0x1b6acd35, 0xdae412f5, 0x430674f4, 0x8288ab34, 0xabb3beb7, + 0x6a3d6177, 0xf3df0776, 0x3251d8b6, 0x0f5fe8bb, 0xced1377b, + 0x5733517a, 0x96bd8eba, 0xbf869b39, 0x7e0844f9, 0xe7ea22f8, + 0x2664fd38, 0xb59c09fe, 0x7412d63e, 0xedf0b03f, 0x2c7e6fff, + 0x05457a7c, 0xc4cba5bc, 0x5d29c3bd, 0x9ca71c7d, 0x2735a3a7, + 0xe6bb7c67, 0x7f591a66, 0xbed7c5a6, 0x97ecd025, 0x56620fe5, + 0xcf8069e4, 0x0e0eb624, 0x9df642e2, 0x5c789d22, 0xc59afb23, + 0x041424e3, 0x2d2f3160, 0xeca1eea0, 0x754388a1, 0xb4cd5761, + 0x89c3676c, 0x484db8ac, 0xd1afdead, 0x1021016d, 0x391a14ee, + 0xf894cb2e, 0x6176ad2f, 0xa0f872ef, 0x33008629, 0xf28e59e9, + 0x6b6c3fe8, 0xaae2e028, 0x83d9f5ab, 0x42572a6b, 0xdbb54c6a, + 0x1a3b93aa}, + {0x00000000, 0xefc26b3e, 0x04f5d03d, 0xeb37bb03, 0x09eba07a, + 0xe629cb44, 0x0d1e7047, 0xe2dc1b79, 0x13d740f4, 0xfc152bca, + 0x172290c9, 0xf8e0fbf7, 0x1a3ce08e, 0xf5fe8bb0, 0x1ec930b3, + 0xf10b5b8d, 0x27ae81e8, 0xc86cead6, 0x235b51d5, 0xcc993aeb, + 0x2e452192, 0xc1874aac, 0x2ab0f1af, 0xc5729a91, 0x3479c11c, + 0xdbbbaa22, 0x308c1121, 0xdf4e7a1f, 0x3d926166, 0xd2500a58, + 0x3967b15b, 0xd6a5da65, 0x4f5d03d0, 0xa09f68ee, 0x4ba8d3ed, + 0xa46ab8d3, 0x46b6a3aa, 0xa974c894, 0x42437397, 0xad8118a9, + 0x5c8a4324, 0xb348281a, 0x587f9319, 0xb7bdf827, 0x5561e35e, + 0xbaa38860, 0x51943363, 0xbe56585d, 0x68f38238, 0x8731e906, + 0x6c065205, 0x83c4393b, 0x61182242, 0x8eda497c, 0x65edf27f, + 0x8a2f9941, 0x7b24c2cc, 0x94e6a9f2, 0x7fd112f1, 0x901379cf, + 0x72cf62b6, 0x9d0d0988, 0x763ab28b, 0x99f8d9b5, 0x9eba07a0, + 0x71786c9e, 0x9a4fd79d, 0x758dbca3, 0x9751a7da, 0x7893cce4, + 0x93a477e7, 0x7c661cd9, 0x8d6d4754, 0x62af2c6a, 0x89989769, + 0x665afc57, 0x8486e72e, 0x6b448c10, 0x80733713, 0x6fb15c2d, + 0xb9148648, 0x56d6ed76, 0xbde15675, 0x52233d4b, 0xb0ff2632, + 0x5f3d4d0c, 0xb40af60f, 0x5bc89d31, 0xaac3c6bc, 0x4501ad82, + 0xae361681, 0x41f47dbf, 0xa32866c6, 0x4cea0df8, 0xa7ddb6fb, + 0x481fddc5, 0xd1e70470, 0x3e256f4e, 0xd512d44d, 0x3ad0bf73, + 0xd80ca40a, 0x37cecf34, 0xdcf97437, 0x333b1f09, 0xc2304484, + 0x2df22fba, 0xc6c594b9, 0x2907ff87, 0xcbdbe4fe, 0x24198fc0, + 0xcf2e34c3, 0x20ec5ffd, 0xf6498598, 0x198beea6, 0xf2bc55a5, + 0x1d7e3e9b, 0xffa225e2, 0x10604edc, 0xfb57f5df, 0x14959ee1, + 0xe59ec56c, 0x0a5cae52, 0xe16b1551, 0x0ea97e6f, 0xec756516, + 0x03b70e28, 0xe880b52b, 0x0742de15, 0xe6050901, 0x09c7623f, + 0xe2f0d93c, 0x0d32b202, 0xefeea97b, 0x002cc245, 0xeb1b7946, + 0x04d91278, 0xf5d249f5, 0x1a1022cb, 0xf12799c8, 0x1ee5f2f6, + 0xfc39e98f, 0x13fb82b1, 0xf8cc39b2, 0x170e528c, 0xc1ab88e9, + 0x2e69e3d7, 0xc55e58d4, 0x2a9c33ea, 0xc8402893, 0x278243ad, + 0xccb5f8ae, 0x23779390, 0xd27cc81d, 0x3dbea323, 0xd6891820, + 0x394b731e, 0xdb976867, 0x34550359, 0xdf62b85a, 0x30a0d364, + 0xa9580ad1, 0x469a61ef, 0xadaddaec, 0x426fb1d2, 0xa0b3aaab, + 0x4f71c195, 0xa4467a96, 0x4b8411a8, 0xba8f4a25, 0x554d211b, + 0xbe7a9a18, 0x51b8f126, 0xb364ea5f, 0x5ca68161, 0xb7913a62, + 0x5853515c, 0x8ef68b39, 0x6134e007, 0x8a035b04, 0x65c1303a, + 0x871d2b43, 0x68df407d, 0x83e8fb7e, 0x6c2a9040, 0x9d21cbcd, + 0x72e3a0f3, 0x99d41bf0, 0x761670ce, 0x94ca6bb7, 0x7b080089, + 0x903fbb8a, 0x7ffdd0b4, 0x78bf0ea1, 0x977d659f, 0x7c4ade9c, + 0x9388b5a2, 0x7154aedb, 0x9e96c5e5, 0x75a17ee6, 0x9a6315d8, + 0x6b684e55, 0x84aa256b, 0x6f9d9e68, 0x805ff556, 0x6283ee2f, + 0x8d418511, 0x66763e12, 0x89b4552c, 0x5f118f49, 0xb0d3e477, + 0x5be45f74, 0xb426344a, 0x56fa2f33, 0xb938440d, 0x520fff0e, + 0xbdcd9430, 0x4cc6cfbd, 0xa304a483, 0x48331f80, 0xa7f174be, + 0x452d6fc7, 0xaaef04f9, 0x41d8bffa, 0xae1ad4c4, 0x37e20d71, + 0xd820664f, 0x3317dd4c, 0xdcd5b672, 0x3e09ad0b, 0xd1cbc635, + 0x3afc7d36, 0xd53e1608, 0x24354d85, 0xcbf726bb, 0x20c09db8, + 0xcf02f686, 0x2ddeedff, 0xc21c86c1, 0x292b3dc2, 0xc6e956fc, + 0x104c8c99, 0xff8ee7a7, 0x14b95ca4, 0xfb7b379a, 0x19a72ce3, + 0xf66547dd, 0x1d52fcde, 0xf29097e0, 0x039bcc6d, 0xec59a753, + 0x076e1c50, 0xe8ac776e, 0x0a706c17, 0xe5b20729, 0x0e85bc2a, + 0xe147d714}, + {0x00000000, 0x177b1443, 0x2ef62886, 0x398d3cc5, 0x5dec510c, + 0x4a97454f, 0x731a798a, 0x64616dc9, 0xbbd8a218, 0xaca3b65b, + 0x952e8a9e, 0x82559edd, 0xe634f314, 0xf14fe757, 0xc8c2db92, + 0xdfb9cfd1, 0xacc04271, 0xbbbb5632, 0x82366af7, 0x954d7eb4, + 0xf12c137d, 0xe657073e, 0xdfda3bfb, 0xc8a12fb8, 0x1718e069, + 0x0063f42a, 0x39eec8ef, 0x2e95dcac, 0x4af4b165, 0x5d8fa526, + 0x640299e3, 0x73798da0, 0x82f182a3, 0x958a96e0, 0xac07aa25, + 0xbb7cbe66, 0xdf1dd3af, 0xc866c7ec, 0xf1ebfb29, 0xe690ef6a, + 0x392920bb, 0x2e5234f8, 0x17df083d, 0x00a41c7e, 0x64c571b7, + 0x73be65f4, 0x4a335931, 0x5d484d72, 0x2e31c0d2, 0x394ad491, + 0x00c7e854, 0x17bcfc17, 0x73dd91de, 0x64a6859d, 0x5d2bb958, + 0x4a50ad1b, 0x95e962ca, 0x82927689, 0xbb1f4a4c, 0xac645e0f, + 0xc80533c6, 0xdf7e2785, 0xe6f31b40, 0xf1880f03, 0xde920307, + 0xc9e91744, 0xf0642b81, 0xe71f3fc2, 0x837e520b, 0x94054648, + 0xad887a8d, 0xbaf36ece, 0x654aa11f, 0x7231b55c, 0x4bbc8999, + 0x5cc79dda, 0x38a6f013, 0x2fdde450, 0x1650d895, 0x012bccd6, + 0x72524176, 0x65295535, 0x5ca469f0, 0x4bdf7db3, 0x2fbe107a, + 0x38c50439, 0x014838fc, 0x16332cbf, 0xc98ae36e, 0xdef1f72d, + 0xe77ccbe8, 0xf007dfab, 0x9466b262, 0x831da621, 0xba909ae4, + 0xadeb8ea7, 0x5c6381a4, 0x4b1895e7, 0x7295a922, 0x65eebd61, + 0x018fd0a8, 0x16f4c4eb, 0x2f79f82e, 0x3802ec6d, 0xe7bb23bc, + 0xf0c037ff, 0xc94d0b3a, 0xde361f79, 0xba5772b0, 0xad2c66f3, + 0x94a15a36, 0x83da4e75, 0xf0a3c3d5, 0xe7d8d796, 0xde55eb53, + 0xc92eff10, 0xad4f92d9, 0xba34869a, 0x83b9ba5f, 0x94c2ae1c, + 0x4b7b61cd, 0x5c00758e, 0x658d494b, 0x72f65d08, 0x169730c1, + 0x01ec2482, 0x38611847, 0x2f1a0c04, 0x6655004f, 0x712e140c, + 0x48a328c9, 0x5fd83c8a, 0x3bb95143, 0x2cc24500, 0x154f79c5, + 0x02346d86, 0xdd8da257, 0xcaf6b614, 0xf37b8ad1, 0xe4009e92, + 0x8061f35b, 0x971ae718, 0xae97dbdd, 0xb9eccf9e, 0xca95423e, + 0xddee567d, 0xe4636ab8, 0xf3187efb, 0x97791332, 0x80020771, + 0xb98f3bb4, 0xaef42ff7, 0x714de026, 0x6636f465, 0x5fbbc8a0, + 0x48c0dce3, 0x2ca1b12a, 0x3bdaa569, 0x025799ac, 0x152c8def, + 0xe4a482ec, 0xf3df96af, 0xca52aa6a, 0xdd29be29, 0xb948d3e0, + 0xae33c7a3, 0x97befb66, 0x80c5ef25, 0x5f7c20f4, 0x480734b7, + 0x718a0872, 0x66f11c31, 0x029071f8, 0x15eb65bb, 0x2c66597e, + 0x3b1d4d3d, 0x4864c09d, 0x5f1fd4de, 0x6692e81b, 0x71e9fc58, + 0x15889191, 0x02f385d2, 0x3b7eb917, 0x2c05ad54, 0xf3bc6285, + 0xe4c776c6, 0xdd4a4a03, 0xca315e40, 0xae503389, 0xb92b27ca, + 0x80a61b0f, 0x97dd0f4c, 0xb8c70348, 0xafbc170b, 0x96312bce, + 0x814a3f8d, 0xe52b5244, 0xf2504607, 0xcbdd7ac2, 0xdca66e81, + 0x031fa150, 0x1464b513, 0x2de989d6, 0x3a929d95, 0x5ef3f05c, + 0x4988e41f, 0x7005d8da, 0x677ecc99, 0x14074139, 0x037c557a, + 0x3af169bf, 0x2d8a7dfc, 0x49eb1035, 0x5e900476, 0x671d38b3, + 0x70662cf0, 0xafdfe321, 0xb8a4f762, 0x8129cba7, 0x9652dfe4, + 0xf233b22d, 0xe548a66e, 0xdcc59aab, 0xcbbe8ee8, 0x3a3681eb, + 0x2d4d95a8, 0x14c0a96d, 0x03bbbd2e, 0x67dad0e7, 0x70a1c4a4, + 0x492cf861, 0x5e57ec22, 0x81ee23f3, 0x969537b0, 0xaf180b75, + 0xb8631f36, 0xdc0272ff, 0xcb7966bc, 0xf2f45a79, 0xe58f4e3a, + 0x96f6c39a, 0x818dd7d9, 0xb800eb1c, 0xaf7bff5f, 0xcb1a9296, + 0xdc6186d5, 0xe5ecba10, 0xf297ae53, 0x2d2e6182, 0x3a5575c1, + 0x03d84904, 0x14a35d47, 0x70c2308e, 0x67b924cd, 0x5e341808, + 0x494f0c4b}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x43147b1700000000, 0x8628f62e00000000, + 0xc53c8d3900000000, 0x0c51ec5d00000000, 0x4f45974a00000000, + 0x8a791a7300000000, 0xc96d616400000000, 0x18a2d8bb00000000, + 0x5bb6a3ac00000000, 0x9e8a2e9500000000, 0xdd9e558200000000, + 0x14f334e600000000, 0x57e74ff100000000, 0x92dbc2c800000000, + 0xd1cfb9df00000000, 0x7142c0ac00000000, 0x3256bbbb00000000, + 0xf76a368200000000, 0xb47e4d9500000000, 0x7d132cf100000000, + 0x3e0757e600000000, 0xfb3bdadf00000000, 0xb82fa1c800000000, + 0x69e0181700000000, 0x2af4630000000000, 0xefc8ee3900000000, + 0xacdc952e00000000, 0x65b1f44a00000000, 0x26a58f5d00000000, + 0xe399026400000000, 0xa08d797300000000, 0xa382f18200000000, + 0xe0968a9500000000, 0x25aa07ac00000000, 0x66be7cbb00000000, + 0xafd31ddf00000000, 0xecc766c800000000, 0x29fbebf100000000, + 0x6aef90e600000000, 0xbb20293900000000, 0xf834522e00000000, + 0x3d08df1700000000, 0x7e1ca40000000000, 0xb771c56400000000, + 0xf465be7300000000, 0x3159334a00000000, 0x724d485d00000000, + 0xd2c0312e00000000, 0x91d44a3900000000, 0x54e8c70000000000, + 0x17fcbc1700000000, 0xde91dd7300000000, 0x9d85a66400000000, + 0x58b92b5d00000000, 0x1bad504a00000000, 0xca62e99500000000, + 0x8976928200000000, 0x4c4a1fbb00000000, 0x0f5e64ac00000000, + 0xc63305c800000000, 0x85277edf00000000, 0x401bf3e600000000, + 0x030f88f100000000, 0x070392de00000000, 0x4417e9c900000000, + 0x812b64f000000000, 0xc23f1fe700000000, 0x0b527e8300000000, + 0x4846059400000000, 0x8d7a88ad00000000, 0xce6ef3ba00000000, + 0x1fa14a6500000000, 0x5cb5317200000000, 0x9989bc4b00000000, + 0xda9dc75c00000000, 0x13f0a63800000000, 0x50e4dd2f00000000, + 0x95d8501600000000, 0xd6cc2b0100000000, 0x7641527200000000, + 0x3555296500000000, 0xf069a45c00000000, 0xb37ddf4b00000000, + 0x7a10be2f00000000, 0x3904c53800000000, 0xfc38480100000000, + 0xbf2c331600000000, 0x6ee38ac900000000, 0x2df7f1de00000000, + 0xe8cb7ce700000000, 0xabdf07f000000000, 0x62b2669400000000, + 0x21a61d8300000000, 0xe49a90ba00000000, 0xa78eebad00000000, + 0xa481635c00000000, 0xe795184b00000000, 0x22a9957200000000, + 0x61bdee6500000000, 0xa8d08f0100000000, 0xebc4f41600000000, + 0x2ef8792f00000000, 0x6dec023800000000, 0xbc23bbe700000000, + 0xff37c0f000000000, 0x3a0b4dc900000000, 0x791f36de00000000, + 0xb07257ba00000000, 0xf3662cad00000000, 0x365aa19400000000, + 0x754eda8300000000, 0xd5c3a3f000000000, 0x96d7d8e700000000, + 0x53eb55de00000000, 0x10ff2ec900000000, 0xd9924fad00000000, + 0x9a8634ba00000000, 0x5fbab98300000000, 0x1caec29400000000, + 0xcd617b4b00000000, 0x8e75005c00000000, 0x4b498d6500000000, + 0x085df67200000000, 0xc130971600000000, 0x8224ec0100000000, + 0x4718613800000000, 0x040c1a2f00000000, 0x4f00556600000000, + 0x0c142e7100000000, 0xc928a34800000000, 0x8a3cd85f00000000, + 0x4351b93b00000000, 0x0045c22c00000000, 0xc5794f1500000000, + 0x866d340200000000, 0x57a28ddd00000000, 0x14b6f6ca00000000, + 0xd18a7bf300000000, 0x929e00e400000000, 0x5bf3618000000000, + 0x18e71a9700000000, 0xdddb97ae00000000, 0x9ecfecb900000000, + 0x3e4295ca00000000, 0x7d56eedd00000000, 0xb86a63e400000000, + 0xfb7e18f300000000, 0x3213799700000000, 0x7107028000000000, + 0xb43b8fb900000000, 0xf72ff4ae00000000, 0x26e04d7100000000, + 0x65f4366600000000, 0xa0c8bb5f00000000, 0xe3dcc04800000000, + 0x2ab1a12c00000000, 0x69a5da3b00000000, 0xac99570200000000, + 0xef8d2c1500000000, 0xec82a4e400000000, 0xaf96dff300000000, + 0x6aaa52ca00000000, 0x29be29dd00000000, 0xe0d348b900000000, + 0xa3c733ae00000000, 0x66fbbe9700000000, 0x25efc58000000000, + 0xf4207c5f00000000, 0xb734074800000000, 0x72088a7100000000, + 0x311cf16600000000, 0xf871900200000000, 0xbb65eb1500000000, + 0x7e59662c00000000, 0x3d4d1d3b00000000, 0x9dc0644800000000, + 0xded41f5f00000000, 0x1be8926600000000, 0x58fce97100000000, + 0x9191881500000000, 0xd285f30200000000, 0x17b97e3b00000000, + 0x54ad052c00000000, 0x8562bcf300000000, 0xc676c7e400000000, + 0x034a4add00000000, 0x405e31ca00000000, 0x893350ae00000000, + 0xca272bb900000000, 0x0f1ba68000000000, 0x4c0fdd9700000000, + 0x4803c7b800000000, 0x0b17bcaf00000000, 0xce2b319600000000, + 0x8d3f4a8100000000, 0x44522be500000000, 0x074650f200000000, + 0xc27addcb00000000, 0x816ea6dc00000000, 0x50a11f0300000000, + 0x13b5641400000000, 0xd689e92d00000000, 0x959d923a00000000, + 0x5cf0f35e00000000, 0x1fe4884900000000, 0xdad8057000000000, + 0x99cc7e6700000000, 0x3941071400000000, 0x7a557c0300000000, + 0xbf69f13a00000000, 0xfc7d8a2d00000000, 0x3510eb4900000000, + 0x7604905e00000000, 0xb3381d6700000000, 0xf02c667000000000, + 0x21e3dfaf00000000, 0x62f7a4b800000000, 0xa7cb298100000000, + 0xe4df529600000000, 0x2db233f200000000, 0x6ea648e500000000, + 0xab9ac5dc00000000, 0xe88ebecb00000000, 0xeb81363a00000000, + 0xa8954d2d00000000, 0x6da9c01400000000, 0x2ebdbb0300000000, + 0xe7d0da6700000000, 0xa4c4a17000000000, 0x61f82c4900000000, + 0x22ec575e00000000, 0xf323ee8100000000, 0xb037959600000000, + 0x750b18af00000000, 0x361f63b800000000, 0xff7202dc00000000, + 0xbc6679cb00000000, 0x795af4f200000000, 0x3a4e8fe500000000, + 0x9ac3f69600000000, 0xd9d78d8100000000, 0x1ceb00b800000000, + 0x5fff7baf00000000, 0x96921acb00000000, 0xd58661dc00000000, + 0x10baece500000000, 0x53ae97f200000000, 0x82612e2d00000000, + 0xc175553a00000000, 0x0449d80300000000, 0x475da31400000000, + 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0x10c6104f00000000, 0xf81debf600000000, 0x817796e700000000, + 0x69ac6d5e00000000, 0x25ce42c600000000, 0xcd15b97f00000000, + 0xb47fc46e00000000, 0x5ca43fd700000000, 0x46ab3e4c00000000, + 0xae70c5f500000000, 0xd71ab8e400000000, 0x3fc1435d00000000, + 0xa202cb0900000000, 0x4ad930b000000000, 0x33b34da100000000, + 0xdb68b61800000000, 0xc167b78300000000, 0x29bc4c3a00000000, + 0x50d6312b00000000, 0xb80dca9200000000, 0x6a51208200000000, + 0x828adb3b00000000, 0xfbe0a62a00000000, 0x133b5d9300000000, + 0x09345c0800000000, 0xe1efa7b100000000, 0x9885daa000000000, + 0x705e211900000000, 0xed9da94d00000000, 0x054652f400000000, + 0x7c2c2fe500000000, 0x94f7d45c00000000, 0x8ef8d5c700000000, + 0x66232e7e00000000, 0x1f49536f00000000, 0xf792a8d600000000, + 0xc68b7c8400000000, 0x2e50873d00000000, 0x573afa2c00000000, + 0xbfe1019500000000, 0xa5ee000e00000000, 0x4d35fbb700000000, + 0x345f86a600000000, 0xdc847d1f00000000, 0x4147f54b00000000, + 0xa99c0ef200000000, 0xd0f673e300000000, 0x382d885a00000000, + 0x222289c100000000, 0xcaf9727800000000, 0xb3930f6900000000, + 0x5b48f4d000000000, 0x89141ec000000000, 0x61cfe57900000000, + 0x18a5986800000000, 0xf07e63d100000000, 0xea71624a00000000, + 0x02aa99f300000000, 0x7bc0e4e200000000, 0x931b1f5b00000000, + 0x0ed8970f00000000, 0xe6036cb600000000, 0x9f6911a700000000, + 0x77b2ea1e00000000, 0x6dbdeb8500000000, 0x8566103c00000000, + 0xfc0c6d2d00000000, 0x14d7969400000000, 0x58b5b90c00000000, + 0xb06e42b500000000, 0xc9043fa400000000, 0x21dfc41d00000000, + 0x3bd0c58600000000, 0xd30b3e3f00000000, 0xaa61432e00000000, + 0x42bab89700000000, 0xdf7930c300000000, 0x37a2cb7a00000000, + 0x4ec8b66b00000000, 0xa6134dd200000000, 0xbc1c4c4900000000, + 0x54c7b7f000000000, 0x2dadcae100000000, 0xc576315800000000, + 0x172adb4800000000, 0xfff120f100000000, 0x869b5de000000000, + 0x6e40a65900000000, 0x744fa7c200000000, 0x9c945c7b00000000, + 0xe5fe216a00000000, 0x0d25dad300000000, 0x90e6528700000000, + 0x783da93e00000000, 0x0157d42f00000000, 0xe98c2f9600000000, + 0xf3832e0d00000000, 0x1b58d5b400000000, 0x6232a8a500000000, + 0x8ae9531c00000000}, + {0x0000000000000000, 0x919168ae00000000, 0x6325a08700000000, + 0xf2b4c82900000000, 0x874c31d400000000, 0x16dd597a00000000, + 0xe469915300000000, 0x75f8f9fd00000000, 0x4f9f137300000000, + 0xde0e7bdd00000000, 0x2cbab3f400000000, 0xbd2bdb5a00000000, + 0xc8d322a700000000, 0x59424a0900000000, 0xabf6822000000000, + 0x3a67ea8e00000000, 0x9e3e27e600000000, 0x0faf4f4800000000, + 0xfd1b876100000000, 0x6c8aefcf00000000, 0x1972163200000000, + 0x88e37e9c00000000, 0x7a57b6b500000000, 0xebc6de1b00000000, + 0xd1a1349500000000, 0x40305c3b00000000, 0xb284941200000000, + 0x2315fcbc00000000, 0x56ed054100000000, 0xc77c6def00000000, + 0x35c8a5c600000000, 0xa459cd6800000000, 0x7d7b3f1700000000, + 0xecea57b900000000, 0x1e5e9f9000000000, 0x8fcff73e00000000, + 0xfa370ec300000000, 0x6ba6666d00000000, 0x9912ae4400000000, + 0x0883c6ea00000000, 0x32e42c6400000000, 0xa37544ca00000000, + 0x51c18ce300000000, 0xc050e44d00000000, 0xb5a81db000000000, + 0x2439751e00000000, 0xd68dbd3700000000, 0x471cd59900000000, + 0xe34518f100000000, 0x72d4705f00000000, 0x8060b87600000000, + 0x11f1d0d800000000, 0x6409292500000000, 0xf598418b00000000, + 0x072c89a200000000, 0x96bde10c00000000, 0xacda0b8200000000, + 0x3d4b632c00000000, 0xcfffab0500000000, 0x5e6ec3ab00000000, + 0x2b963a5600000000, 0xba0752f800000000, 0x48b39ad100000000, + 0xd922f27f00000000, 0xfaf67e2e00000000, 0x6b67168000000000, + 0x99d3dea900000000, 0x0842b60700000000, 0x7dba4ffa00000000, + 0xec2b275400000000, 0x1e9fef7d00000000, 0x8f0e87d300000000, + 0xb5696d5d00000000, 0x24f805f300000000, 0xd64ccdda00000000, + 0x47dda57400000000, 0x32255c8900000000, 0xa3b4342700000000, + 0x5100fc0e00000000, 0xc09194a000000000, 0x64c859c800000000, + 0xf559316600000000, 0x07edf94f00000000, 0x967c91e100000000, + 0xe384681c00000000, 0x721500b200000000, 0x80a1c89b00000000, + 0x1130a03500000000, 0x2b574abb00000000, 0xbac6221500000000, + 0x4872ea3c00000000, 0xd9e3829200000000, 0xac1b7b6f00000000, + 0x3d8a13c100000000, 0xcf3edbe800000000, 0x5eafb34600000000, + 0x878d413900000000, 0x161c299700000000, 0xe4a8e1be00000000, + 0x7539891000000000, 0x00c170ed00000000, 0x9150184300000000, + 0x63e4d06a00000000, 0xf275b8c400000000, 0xc812524a00000000, + 0x59833ae400000000, 0xab37f2cd00000000, 0x3aa69a6300000000, + 0x4f5e639e00000000, 0xdecf0b3000000000, 0x2c7bc31900000000, + 0xbdeaabb700000000, 0x19b366df00000000, 0x88220e7100000000, + 0x7a96c65800000000, 0xeb07aef600000000, 0x9eff570b00000000, + 0x0f6e3fa500000000, 0xfddaf78c00000000, 0x6c4b9f2200000000, + 0x562c75ac00000000, 0xc7bd1d0200000000, 0x3509d52b00000000, + 0xa498bd8500000000, 0xd160447800000000, 0x40f12cd600000000, + 0xb245e4ff00000000, 0x23d48c5100000000, 0xf4edfd5c00000000, + 0x657c95f200000000, 0x97c85ddb00000000, 0x0659357500000000, + 0x73a1cc8800000000, 0xe230a42600000000, 0x10846c0f00000000, + 0x811504a100000000, 0xbb72ee2f00000000, 0x2ae3868100000000, + 0xd8574ea800000000, 0x49c6260600000000, 0x3c3edffb00000000, + 0xadafb75500000000, 0x5f1b7f7c00000000, 0xce8a17d200000000, + 0x6ad3daba00000000, 0xfb42b21400000000, 0x09f67a3d00000000, + 0x9867129300000000, 0xed9feb6e00000000, 0x7c0e83c000000000, + 0x8eba4be900000000, 0x1f2b234700000000, 0x254cc9c900000000, + 0xb4dda16700000000, 0x4669694e00000000, 0xd7f801e000000000, + 0xa200f81d00000000, 0x339190b300000000, 0xc125589a00000000, + 0x50b4303400000000, 0x8996c24b00000000, 0x1807aae500000000, + 0xeab362cc00000000, 0x7b220a6200000000, 0x0edaf39f00000000, + 0x9f4b9b3100000000, 0x6dff531800000000, 0xfc6e3bb600000000, + 0xc609d13800000000, 0x5798b99600000000, 0xa52c71bf00000000, + 0x34bd191100000000, 0x4145e0ec00000000, 0xd0d4884200000000, + 0x2260406b00000000, 0xb3f128c500000000, 0x17a8e5ad00000000, + 0x86398d0300000000, 0x748d452a00000000, 0xe51c2d8400000000, + 0x90e4d47900000000, 0x0175bcd700000000, 0xf3c174fe00000000, + 0x62501c5000000000, 0x5837f6de00000000, 0xc9a69e7000000000, + 0x3b12565900000000, 0xaa833ef700000000, 0xdf7bc70a00000000, + 0x4eeaafa400000000, 0xbc5e678d00000000, 0x2dcf0f2300000000, + 0x0e1b837200000000, 0x9f8aebdc00000000, 0x6d3e23f500000000, + 0xfcaf4b5b00000000, 0x8957b2a600000000, 0x18c6da0800000000, + 0xea72122100000000, 0x7be37a8f00000000, 0x4184900100000000, + 0xd015f8af00000000, 0x22a1308600000000, 0xb330582800000000, + 0xc6c8a1d500000000, 0x5759c97b00000000, 0xa5ed015200000000, + 0x347c69fc00000000, 0x9025a49400000000, 0x01b4cc3a00000000, + 0xf300041300000000, 0x62916cbd00000000, 0x1769954000000000, + 0x86f8fdee00000000, 0x744c35c700000000, 0xe5dd5d6900000000, + 0xdfbab7e700000000, 0x4e2bdf4900000000, 0xbc9f176000000000, + 0x2d0e7fce00000000, 0x58f6863300000000, 0xc967ee9d00000000, + 0x3bd326b400000000, 0xaa424e1a00000000, 0x7360bc6500000000, + 0xe2f1d4cb00000000, 0x10451ce200000000, 0x81d4744c00000000, + 0xf42c8db100000000, 0x65bde51f00000000, 0x97092d3600000000, + 0x0698459800000000, 0x3cffaf1600000000, 0xad6ec7b800000000, + 0x5fda0f9100000000, 0xce4b673f00000000, 0xbbb39ec200000000, + 0x2a22f66c00000000, 0xd8963e4500000000, 0x490756eb00000000, + 0xed5e9b8300000000, 0x7ccff32d00000000, 0x8e7b3b0400000000, + 0x1fea53aa00000000, 0x6a12aa5700000000, 0xfb83c2f900000000, + 0x09370ad000000000, 0x98a6627e00000000, 0xa2c188f000000000, + 0x3350e05e00000000, 0xc1e4287700000000, 0x507540d900000000, + 0x258db92400000000, 0xb41cd18a00000000, 0x46a819a300000000, + 0xd739710d00000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xccaa009e, 0x4225077d, 0x8e8f07e3, 0x844a0efa, + 0x48e00e64, 0xc66f0987, 0x0ac50919, 0xd3e51bb5, 0x1f4f1b2b, + 0x91c01cc8, 0x5d6a1c56, 0x57af154f, 0x9b0515d1, 0x158a1232, + 0xd92012ac, 0x7cbb312b, 0xb01131b5, 0x3e9e3656, 0xf23436c8, + 0xf8f13fd1, 0x345b3f4f, 0xbad438ac, 0x767e3832, 0xaf5e2a9e, + 0x63f42a00, 0xed7b2de3, 0x21d12d7d, 0x2b142464, 0xe7be24fa, + 0x69312319, 0xa59b2387, 0xf9766256, 0x35dc62c8, 0xbb53652b, + 0x77f965b5, 0x7d3c6cac, 0xb1966c32, 0x3f196bd1, 0xf3b36b4f, + 0x2a9379e3, 0xe639797d, 0x68b67e9e, 0xa41c7e00, 0xaed97719, + 0x62737787, 0xecfc7064, 0x205670fa, 0x85cd537d, 0x496753e3, + 0xc7e85400, 0x0b42549e, 0x01875d87, 0xcd2d5d19, 0x43a25afa, + 0x8f085a64, 0x562848c8, 0x9a824856, 0x140d4fb5, 0xd8a74f2b, + 0xd2624632, 0x1ec846ac, 0x9047414f, 0x5ced41d1, 0x299dc2ed, + 0xe537c273, 0x6bb8c590, 0xa712c50e, 0xadd7cc17, 0x617dcc89, + 0xeff2cb6a, 0x2358cbf4, 0xfa78d958, 0x36d2d9c6, 0xb85dde25, + 0x74f7debb, 0x7e32d7a2, 0xb298d73c, 0x3c17d0df, 0xf0bdd041, + 0x5526f3c6, 0x998cf358, 0x1703f4bb, 0xdba9f425, 0xd16cfd3c, + 0x1dc6fda2, 0x9349fa41, 0x5fe3fadf, 0x86c3e873, 0x4a69e8ed, + 0xc4e6ef0e, 0x084cef90, 0x0289e689, 0xce23e617, 0x40ace1f4, + 0x8c06e16a, 0xd0eba0bb, 0x1c41a025, 0x92cea7c6, 0x5e64a758, + 0x54a1ae41, 0x980baedf, 0x1684a93c, 0xda2ea9a2, 0x030ebb0e, + 0xcfa4bb90, 0x412bbc73, 0x8d81bced, 0x8744b5f4, 0x4beeb56a, + 0xc561b289, 0x09cbb217, 0xac509190, 0x60fa910e, 0xee7596ed, + 0x22df9673, 0x281a9f6a, 0xe4b09ff4, 0x6a3f9817, 0xa6959889, + 0x7fb58a25, 0xb31f8abb, 0x3d908d58, 0xf13a8dc6, 0xfbff84df, + 0x37558441, 0xb9da83a2, 0x7570833c, 0x533b85da, 0x9f918544, + 0x111e82a7, 0xddb48239, 0xd7718b20, 0x1bdb8bbe, 0x95548c5d, + 0x59fe8cc3, 0x80de9e6f, 0x4c749ef1, 0xc2fb9912, 0x0e51998c, + 0x04949095, 0xc83e900b, 0x46b197e8, 0x8a1b9776, 0x2f80b4f1, + 0xe32ab46f, 0x6da5b38c, 0xa10fb312, 0xabcaba0b, 0x6760ba95, + 0xe9efbd76, 0x2545bde8, 0xfc65af44, 0x30cfafda, 0xbe40a839, + 0x72eaa8a7, 0x782fa1be, 0xb485a120, 0x3a0aa6c3, 0xf6a0a65d, + 0xaa4de78c, 0x66e7e712, 0xe868e0f1, 0x24c2e06f, 0x2e07e976, + 0xe2ade9e8, 0x6c22ee0b, 0xa088ee95, 0x79a8fc39, 0xb502fca7, + 0x3b8dfb44, 0xf727fbda, 0xfde2f2c3, 0x3148f25d, 0xbfc7f5be, + 0x736df520, 0xd6f6d6a7, 0x1a5cd639, 0x94d3d1da, 0x5879d144, + 0x52bcd85d, 0x9e16d8c3, 0x1099df20, 0xdc33dfbe, 0x0513cd12, + 0xc9b9cd8c, 0x4736ca6f, 0x8b9ccaf1, 0x8159c3e8, 0x4df3c376, + 0xc37cc495, 0x0fd6c40b, 0x7aa64737, 0xb60c47a9, 0x3883404a, + 0xf42940d4, 0xfeec49cd, 0x32464953, 0xbcc94eb0, 0x70634e2e, + 0xa9435c82, 0x65e95c1c, 0xeb665bff, 0x27cc5b61, 0x2d095278, + 0xe1a352e6, 0x6f2c5505, 0xa386559b, 0x061d761c, 0xcab77682, + 0x44387161, 0x889271ff, 0x825778e6, 0x4efd7878, 0xc0727f9b, + 0x0cd87f05, 0xd5f86da9, 0x19526d37, 0x97dd6ad4, 0x5b776a4a, + 0x51b26353, 0x9d1863cd, 0x1397642e, 0xdf3d64b0, 0x83d02561, + 0x4f7a25ff, 0xc1f5221c, 0x0d5f2282, 0x079a2b9b, 0xcb302b05, + 0x45bf2ce6, 0x89152c78, 0x50353ed4, 0x9c9f3e4a, 0x121039a9, + 0xdeba3937, 0xd47f302e, 0x18d530b0, 0x965a3753, 0x5af037cd, + 0xff6b144a, 0x33c114d4, 0xbd4e1337, 0x71e413a9, 0x7b211ab0, + 0xb78b1a2e, 0x39041dcd, 0xf5ae1d53, 0x2c8e0fff, 0xe0240f61, + 0x6eab0882, 0xa201081c, 0xa8c40105, 0x646e019b, 0xeae10678, + 0x264b06e6}, + {0x00000000, 0xa6770bb4, 0x979f1129, 0x31e81a9d, 0xf44f2413, + 0x52382fa7, 0x63d0353a, 0xc5a73e8e, 0x33ef4e67, 0x959845d3, + 0xa4705f4e, 0x020754fa, 0xc7a06a74, 0x61d761c0, 0x503f7b5d, + 0xf64870e9, 0x67de9cce, 0xc1a9977a, 0xf0418de7, 0x56368653, + 0x9391b8dd, 0x35e6b369, 0x040ea9f4, 0xa279a240, 0x5431d2a9, + 0xf246d91d, 0xc3aec380, 0x65d9c834, 0xa07ef6ba, 0x0609fd0e, + 0x37e1e793, 0x9196ec27, 0xcfbd399c, 0x69ca3228, 0x582228b5, + 0xfe552301, 0x3bf21d8f, 0x9d85163b, 0xac6d0ca6, 0x0a1a0712, + 0xfc5277fb, 0x5a257c4f, 0x6bcd66d2, 0xcdba6d66, 0x081d53e8, + 0xae6a585c, 0x9f8242c1, 0x39f54975, 0xa863a552, 0x0e14aee6, + 0x3ffcb47b, 0x998bbfcf, 0x5c2c8141, 0xfa5b8af5, 0xcbb39068, + 0x6dc49bdc, 0x9b8ceb35, 0x3dfbe081, 0x0c13fa1c, 0xaa64f1a8, + 0x6fc3cf26, 0xc9b4c492, 0xf85cde0f, 0x5e2bd5bb, 0x440b7579, + 0xe27c7ecd, 0xd3946450, 0x75e36fe4, 0xb044516a, 0x16335ade, + 0x27db4043, 0x81ac4bf7, 0x77e43b1e, 0xd19330aa, 0xe07b2a37, + 0x460c2183, 0x83ab1f0d, 0x25dc14b9, 0x14340e24, 0xb2430590, + 0x23d5e9b7, 0x85a2e203, 0xb44af89e, 0x123df32a, 0xd79acda4, + 0x71edc610, 0x4005dc8d, 0xe672d739, 0x103aa7d0, 0xb64dac64, + 0x87a5b6f9, 0x21d2bd4d, 0xe47583c3, 0x42028877, 0x73ea92ea, + 0xd59d995e, 0x8bb64ce5, 0x2dc14751, 0x1c295dcc, 0xba5e5678, + 0x7ff968f6, 0xd98e6342, 0xe86679df, 0x4e11726b, 0xb8590282, + 0x1e2e0936, 0x2fc613ab, 0x89b1181f, 0x4c162691, 0xea612d25, + 0xdb8937b8, 0x7dfe3c0c, 0xec68d02b, 0x4a1fdb9f, 0x7bf7c102, + 0xdd80cab6, 0x1827f438, 0xbe50ff8c, 0x8fb8e511, 0x29cfeea5, + 0xdf879e4c, 0x79f095f8, 0x48188f65, 0xee6f84d1, 0x2bc8ba5f, + 0x8dbfb1eb, 0xbc57ab76, 0x1a20a0c2, 0x8816eaf2, 0x2e61e146, + 0x1f89fbdb, 0xb9fef06f, 0x7c59cee1, 0xda2ec555, 0xebc6dfc8, + 0x4db1d47c, 0xbbf9a495, 0x1d8eaf21, 0x2c66b5bc, 0x8a11be08, + 0x4fb68086, 0xe9c18b32, 0xd82991af, 0x7e5e9a1b, 0xefc8763c, + 0x49bf7d88, 0x78576715, 0xde206ca1, 0x1b87522f, 0xbdf0599b, + 0x8c184306, 0x2a6f48b2, 0xdc27385b, 0x7a5033ef, 0x4bb82972, + 0xedcf22c6, 0x28681c48, 0x8e1f17fc, 0xbff70d61, 0x198006d5, + 0x47abd36e, 0xe1dcd8da, 0xd034c247, 0x7643c9f3, 0xb3e4f77d, + 0x1593fcc9, 0x247be654, 0x820cede0, 0x74449d09, 0xd23396bd, + 0xe3db8c20, 0x45ac8794, 0x800bb91a, 0x267cb2ae, 0x1794a833, + 0xb1e3a387, 0x20754fa0, 0x86024414, 0xb7ea5e89, 0x119d553d, + 0xd43a6bb3, 0x724d6007, 0x43a57a9a, 0xe5d2712e, 0x139a01c7, + 0xb5ed0a73, 0x840510ee, 0x22721b5a, 0xe7d525d4, 0x41a22e60, + 0x704a34fd, 0xd63d3f49, 0xcc1d9f8b, 0x6a6a943f, 0x5b828ea2, + 0xfdf58516, 0x3852bb98, 0x9e25b02c, 0xafcdaab1, 0x09baa105, + 0xfff2d1ec, 0x5985da58, 0x686dc0c5, 0xce1acb71, 0x0bbdf5ff, + 0xadcafe4b, 0x9c22e4d6, 0x3a55ef62, 0xabc30345, 0x0db408f1, + 0x3c5c126c, 0x9a2b19d8, 0x5f8c2756, 0xf9fb2ce2, 0xc813367f, + 0x6e643dcb, 0x982c4d22, 0x3e5b4696, 0x0fb35c0b, 0xa9c457bf, + 0x6c636931, 0xca146285, 0xfbfc7818, 0x5d8b73ac, 0x03a0a617, + 0xa5d7ada3, 0x943fb73e, 0x3248bc8a, 0xf7ef8204, 0x519889b0, + 0x6070932d, 0xc6079899, 0x304fe870, 0x9638e3c4, 0xa7d0f959, + 0x01a7f2ed, 0xc400cc63, 0x6277c7d7, 0x539fdd4a, 0xf5e8d6fe, + 0x647e3ad9, 0xc209316d, 0xf3e12bf0, 0x55962044, 0x90311eca, + 0x3646157e, 0x07ae0fe3, 0xa1d90457, 0x579174be, 0xf1e67f0a, + 0xc00e6597, 0x66796e23, 0xa3de50ad, 0x05a95b19, 0x34414184, + 0x92364a30}, + {0x00000000, 0xcb5cd3a5, 0x4dc8a10b, 0x869472ae, 0x9b914216, + 0x50cd91b3, 0xd659e31d, 0x1d0530b8, 0xec53826d, 0x270f51c8, + 0xa19b2366, 0x6ac7f0c3, 0x77c2c07b, 0xbc9e13de, 0x3a0a6170, + 0xf156b2d5, 0x03d6029b, 0xc88ad13e, 0x4e1ea390, 0x85427035, + 0x9847408d, 0x531b9328, 0xd58fe186, 0x1ed33223, 0xef8580f6, + 0x24d95353, 0xa24d21fd, 0x6911f258, 0x7414c2e0, 0xbf481145, + 0x39dc63eb, 0xf280b04e, 0x07ac0536, 0xccf0d693, 0x4a64a43d, + 0x81387798, 0x9c3d4720, 0x57619485, 0xd1f5e62b, 0x1aa9358e, + 0xebff875b, 0x20a354fe, 0xa6372650, 0x6d6bf5f5, 0x706ec54d, + 0xbb3216e8, 0x3da66446, 0xf6fab7e3, 0x047a07ad, 0xcf26d408, + 0x49b2a6a6, 0x82ee7503, 0x9feb45bb, 0x54b7961e, 0xd223e4b0, + 0x197f3715, 0xe82985c0, 0x23755665, 0xa5e124cb, 0x6ebdf76e, + 0x73b8c7d6, 0xb8e41473, 0x3e7066dd, 0xf52cb578, 0x0f580a6c, + 0xc404d9c9, 0x4290ab67, 0x89cc78c2, 0x94c9487a, 0x5f959bdf, + 0xd901e971, 0x125d3ad4, 0xe30b8801, 0x28575ba4, 0xaec3290a, + 0x659ffaaf, 0x789aca17, 0xb3c619b2, 0x35526b1c, 0xfe0eb8b9, + 0x0c8e08f7, 0xc7d2db52, 0x4146a9fc, 0x8a1a7a59, 0x971f4ae1, + 0x5c439944, 0xdad7ebea, 0x118b384f, 0xe0dd8a9a, 0x2b81593f, + 0xad152b91, 0x6649f834, 0x7b4cc88c, 0xb0101b29, 0x36846987, + 0xfdd8ba22, 0x08f40f5a, 0xc3a8dcff, 0x453cae51, 0x8e607df4, + 0x93654d4c, 0x58399ee9, 0xdeadec47, 0x15f13fe2, 0xe4a78d37, + 0x2ffb5e92, 0xa96f2c3c, 0x6233ff99, 0x7f36cf21, 0xb46a1c84, + 0x32fe6e2a, 0xf9a2bd8f, 0x0b220dc1, 0xc07ede64, 0x46eaacca, + 0x8db67f6f, 0x90b34fd7, 0x5bef9c72, 0xdd7beedc, 0x16273d79, + 0xe7718fac, 0x2c2d5c09, 0xaab92ea7, 0x61e5fd02, 0x7ce0cdba, + 0xb7bc1e1f, 0x31286cb1, 0xfa74bf14, 0x1eb014d8, 0xd5ecc77d, + 0x5378b5d3, 0x98246676, 0x852156ce, 0x4e7d856b, 0xc8e9f7c5, + 0x03b52460, 0xf2e396b5, 0x39bf4510, 0xbf2b37be, 0x7477e41b, + 0x6972d4a3, 0xa22e0706, 0x24ba75a8, 0xefe6a60d, 0x1d661643, + 0xd63ac5e6, 0x50aeb748, 0x9bf264ed, 0x86f75455, 0x4dab87f0, + 0xcb3ff55e, 0x006326fb, 0xf135942e, 0x3a69478b, 0xbcfd3525, + 0x77a1e680, 0x6aa4d638, 0xa1f8059d, 0x276c7733, 0xec30a496, + 0x191c11ee, 0xd240c24b, 0x54d4b0e5, 0x9f886340, 0x828d53f8, + 0x49d1805d, 0xcf45f2f3, 0x04192156, 0xf54f9383, 0x3e134026, + 0xb8873288, 0x73dbe12d, 0x6eded195, 0xa5820230, 0x2316709e, + 0xe84aa33b, 0x1aca1375, 0xd196c0d0, 0x5702b27e, 0x9c5e61db, + 0x815b5163, 0x4a0782c6, 0xcc93f068, 0x07cf23cd, 0xf6999118, + 0x3dc542bd, 0xbb513013, 0x700de3b6, 0x6d08d30e, 0xa65400ab, + 0x20c07205, 0xeb9ca1a0, 0x11e81eb4, 0xdab4cd11, 0x5c20bfbf, + 0x977c6c1a, 0x8a795ca2, 0x41258f07, 0xc7b1fda9, 0x0ced2e0c, + 0xfdbb9cd9, 0x36e74f7c, 0xb0733dd2, 0x7b2fee77, 0x662adecf, + 0xad760d6a, 0x2be27fc4, 0xe0beac61, 0x123e1c2f, 0xd962cf8a, + 0x5ff6bd24, 0x94aa6e81, 0x89af5e39, 0x42f38d9c, 0xc467ff32, + 0x0f3b2c97, 0xfe6d9e42, 0x35314de7, 0xb3a53f49, 0x78f9ecec, + 0x65fcdc54, 0xaea00ff1, 0x28347d5f, 0xe368aefa, 0x16441b82, + 0xdd18c827, 0x5b8cba89, 0x90d0692c, 0x8dd55994, 0x46898a31, + 0xc01df89f, 0x0b412b3a, 0xfa1799ef, 0x314b4a4a, 0xb7df38e4, + 0x7c83eb41, 0x6186dbf9, 0xaada085c, 0x2c4e7af2, 0xe712a957, + 0x15921919, 0xdececabc, 0x585ab812, 0x93066bb7, 0x8e035b0f, + 0x455f88aa, 0xc3cbfa04, 0x089729a1, 0xf9c19b74, 0x329d48d1, + 0xb4093a7f, 0x7f55e9da, 0x6250d962, 0xa90c0ac7, 0x2f987869, + 0xe4c4abcc}, + {0x00000000, 0x3d6029b0, 0x7ac05360, 0x47a07ad0, 0xf580a6c0, + 0xc8e08f70, 0x8f40f5a0, 0xb220dc10, 0x30704bc1, 0x0d106271, + 0x4ab018a1, 0x77d03111, 0xc5f0ed01, 0xf890c4b1, 0xbf30be61, + 0x825097d1, 0x60e09782, 0x5d80be32, 0x1a20c4e2, 0x2740ed52, + 0x95603142, 0xa80018f2, 0xefa06222, 0xd2c04b92, 0x5090dc43, + 0x6df0f5f3, 0x2a508f23, 0x1730a693, 0xa5107a83, 0x98705333, + 0xdfd029e3, 0xe2b00053, 0xc1c12f04, 0xfca106b4, 0xbb017c64, + 0x866155d4, 0x344189c4, 0x0921a074, 0x4e81daa4, 0x73e1f314, + 0xf1b164c5, 0xccd14d75, 0x8b7137a5, 0xb6111e15, 0x0431c205, + 0x3951ebb5, 0x7ef19165, 0x4391b8d5, 0xa121b886, 0x9c419136, + 0xdbe1ebe6, 0xe681c256, 0x54a11e46, 0x69c137f6, 0x2e614d26, + 0x13016496, 0x9151f347, 0xac31daf7, 0xeb91a027, 0xd6f18997, + 0x64d15587, 0x59b17c37, 0x1e1106e7, 0x23712f57, 0x58f35849, + 0x659371f9, 0x22330b29, 0x1f532299, 0xad73fe89, 0x9013d739, + 0xd7b3ade9, 0xead38459, 0x68831388, 0x55e33a38, 0x124340e8, + 0x2f236958, 0x9d03b548, 0xa0639cf8, 0xe7c3e628, 0xdaa3cf98, + 0x3813cfcb, 0x0573e67b, 0x42d39cab, 0x7fb3b51b, 0xcd93690b, + 0xf0f340bb, 0xb7533a6b, 0x8a3313db, 0x0863840a, 0x3503adba, + 0x72a3d76a, 0x4fc3feda, 0xfde322ca, 0xc0830b7a, 0x872371aa, + 0xba43581a, 0x9932774d, 0xa4525efd, 0xe3f2242d, 0xde920d9d, + 0x6cb2d18d, 0x51d2f83d, 0x167282ed, 0x2b12ab5d, 0xa9423c8c, + 0x9422153c, 0xd3826fec, 0xeee2465c, 0x5cc29a4c, 0x61a2b3fc, + 0x2602c92c, 0x1b62e09c, 0xf9d2e0cf, 0xc4b2c97f, 0x8312b3af, + 0xbe729a1f, 0x0c52460f, 0x31326fbf, 0x7692156f, 0x4bf23cdf, + 0xc9a2ab0e, 0xf4c282be, 0xb362f86e, 0x8e02d1de, 0x3c220dce, + 0x0142247e, 0x46e25eae, 0x7b82771e, 0xb1e6b092, 0x8c869922, + 0xcb26e3f2, 0xf646ca42, 0x44661652, 0x79063fe2, 0x3ea64532, + 0x03c66c82, 0x8196fb53, 0xbcf6d2e3, 0xfb56a833, 0xc6368183, + 0x74165d93, 0x49767423, 0x0ed60ef3, 0x33b62743, 0xd1062710, + 0xec660ea0, 0xabc67470, 0x96a65dc0, 0x248681d0, 0x19e6a860, + 0x5e46d2b0, 0x6326fb00, 0xe1766cd1, 0xdc164561, 0x9bb63fb1, + 0xa6d61601, 0x14f6ca11, 0x2996e3a1, 0x6e369971, 0x5356b0c1, + 0x70279f96, 0x4d47b626, 0x0ae7ccf6, 0x3787e546, 0x85a73956, + 0xb8c710e6, 0xff676a36, 0xc2074386, 0x4057d457, 0x7d37fde7, + 0x3a978737, 0x07f7ae87, 0xb5d77297, 0x88b75b27, 0xcf1721f7, + 0xf2770847, 0x10c70814, 0x2da721a4, 0x6a075b74, 0x576772c4, + 0xe547aed4, 0xd8278764, 0x9f87fdb4, 0xa2e7d404, 0x20b743d5, + 0x1dd76a65, 0x5a7710b5, 0x67173905, 0xd537e515, 0xe857cca5, + 0xaff7b675, 0x92979fc5, 0xe915e8db, 0xd475c16b, 0x93d5bbbb, + 0xaeb5920b, 0x1c954e1b, 0x21f567ab, 0x66551d7b, 0x5b3534cb, + 0xd965a31a, 0xe4058aaa, 0xa3a5f07a, 0x9ec5d9ca, 0x2ce505da, + 0x11852c6a, 0x562556ba, 0x6b457f0a, 0x89f57f59, 0xb49556e9, + 0xf3352c39, 0xce550589, 0x7c75d999, 0x4115f029, 0x06b58af9, + 0x3bd5a349, 0xb9853498, 0x84e51d28, 0xc34567f8, 0xfe254e48, + 0x4c059258, 0x7165bbe8, 0x36c5c138, 0x0ba5e888, 0x28d4c7df, + 0x15b4ee6f, 0x521494bf, 0x6f74bd0f, 0xdd54611f, 0xe03448af, + 0xa794327f, 0x9af41bcf, 0x18a48c1e, 0x25c4a5ae, 0x6264df7e, + 0x5f04f6ce, 0xed242ade, 0xd044036e, 0x97e479be, 0xaa84500e, + 0x4834505d, 0x755479ed, 0x32f4033d, 0x0f942a8d, 0xbdb4f69d, + 0x80d4df2d, 0xc774a5fd, 0xfa148c4d, 0x78441b9c, 0x4524322c, + 0x028448fc, 0x3fe4614c, 0x8dc4bd5c, 0xb0a494ec, 0xf704ee3c, + 0xca64c78c}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0xb029603d, 0x6053c07a, 0xd07aa047, 0xc0a680f5, + 0x708fe0c8, 0xa0f5408f, 0x10dc20b2, 0xc14b7030, 0x7162100d, + 0xa118b04a, 0x1131d077, 0x01edf0c5, 0xb1c490f8, 0x61be30bf, + 0xd1975082, 0x8297e060, 0x32be805d, 0xe2c4201a, 0x52ed4027, + 0x42316095, 0xf21800a8, 0x2262a0ef, 0x924bc0d2, 0x43dc9050, + 0xf3f5f06d, 0x238f502a, 0x93a63017, 0x837a10a5, 0x33537098, + 0xe329d0df, 0x5300b0e2, 0x042fc1c1, 0xb406a1fc, 0x647c01bb, + 0xd4556186, 0xc4894134, 0x74a02109, 0xa4da814e, 0x14f3e173, + 0xc564b1f1, 0x754dd1cc, 0xa537718b, 0x151e11b6, 0x05c23104, + 0xb5eb5139, 0x6591f17e, 0xd5b89143, 0x86b821a1, 0x3691419c, + 0xe6ebe1db, 0x56c281e6, 0x461ea154, 0xf637c169, 0x264d612e, + 0x96640113, 0x47f35191, 0xf7da31ac, 0x27a091eb, 0x9789f1d6, + 0x8755d164, 0x377cb159, 0xe706111e, 0x572f7123, 0x4958f358, + 0xf9719365, 0x290b3322, 0x9922531f, 0x89fe73ad, 0x39d71390, + 0xe9adb3d7, 0x5984d3ea, 0x88138368, 0x383ae355, 0xe8404312, + 0x5869232f, 0x48b5039d, 0xf89c63a0, 0x28e6c3e7, 0x98cfa3da, + 0xcbcf1338, 0x7be67305, 0xab9cd342, 0x1bb5b37f, 0x0b6993cd, + 0xbb40f3f0, 0x6b3a53b7, 0xdb13338a, 0x0a846308, 0xbaad0335, + 0x6ad7a372, 0xdafec34f, 0xca22e3fd, 0x7a0b83c0, 0xaa712387, + 0x1a5843ba, 0x4d773299, 0xfd5e52a4, 0x2d24f2e3, 0x9d0d92de, + 0x8dd1b26c, 0x3df8d251, 0xed827216, 0x5dab122b, 0x8c3c42a9, + 0x3c152294, 0xec6f82d3, 0x5c46e2ee, 0x4c9ac25c, 0xfcb3a261, + 0x2cc90226, 0x9ce0621b, 0xcfe0d2f9, 0x7fc9b2c4, 0xafb31283, + 0x1f9a72be, 0x0f46520c, 0xbf6f3231, 0x6f159276, 0xdf3cf24b, + 0x0eaba2c9, 0xbe82c2f4, 0x6ef862b3, 0xded1028e, 0xce0d223c, + 0x7e244201, 0xae5ee246, 0x1e77827b, 0x92b0e6b1, 0x2299868c, + 0xf2e326cb, 0x42ca46f6, 0x52166644, 0xe23f0679, 0x3245a63e, + 0x826cc603, 0x53fb9681, 0xe3d2f6bc, 0x33a856fb, 0x838136c6, + 0x935d1674, 0x23747649, 0xf30ed60e, 0x4327b633, 0x102706d1, + 0xa00e66ec, 0x7074c6ab, 0xc05da696, 0xd0818624, 0x60a8e619, + 0xb0d2465e, 0x00fb2663, 0xd16c76e1, 0x614516dc, 0xb13fb69b, + 0x0116d6a6, 0x11caf614, 0xa1e39629, 0x7199366e, 0xc1b05653, + 0x969f2770, 0x26b6474d, 0xf6cce70a, 0x46e58737, 0x5639a785, + 0xe610c7b8, 0x366a67ff, 0x864307c2, 0x57d45740, 0xe7fd377d, + 0x3787973a, 0x87aef707, 0x9772d7b5, 0x275bb788, 0xf72117cf, + 0x470877f2, 0x1408c710, 0xa421a72d, 0x745b076a, 0xc4726757, + 0xd4ae47e5, 0x648727d8, 0xb4fd879f, 0x04d4e7a2, 0xd543b720, + 0x656ad71d, 0xb510775a, 0x05391767, 0x15e537d5, 0xa5cc57e8, + 0x75b6f7af, 0xc59f9792, 0xdbe815e9, 0x6bc175d4, 0xbbbbd593, + 0x0b92b5ae, 0x1b4e951c, 0xab67f521, 0x7b1d5566, 0xcb34355b, + 0x1aa365d9, 0xaa8a05e4, 0x7af0a5a3, 0xcad9c59e, 0xda05e52c, + 0x6a2c8511, 0xba562556, 0x0a7f456b, 0x597ff589, 0xe95695b4, + 0x392c35f3, 0x890555ce, 0x99d9757c, 0x29f01541, 0xf98ab506, + 0x49a3d53b, 0x983485b9, 0x281de584, 0xf86745c3, 0x484e25fe, + 0x5892054c, 0xe8bb6571, 0x38c1c536, 0x88e8a50b, 0xdfc7d428, + 0x6feeb415, 0xbf941452, 0x0fbd746f, 0x1f6154dd, 0xaf4834e0, + 0x7f3294a7, 0xcf1bf49a, 0x1e8ca418, 0xaea5c425, 0x7edf6462, + 0xcef6045f, 0xde2a24ed, 0x6e0344d0, 0xbe79e497, 0x0e5084aa, + 0x5d503448, 0xed795475, 0x3d03f432, 0x8d2a940f, 0x9df6b4bd, + 0x2ddfd480, 0xfda574c7, 0x4d8c14fa, 0x9c1b4478, 0x2c322445, + 0xfc488402, 0x4c61e43f, 0x5cbdc48d, 0xec94a4b0, 0x3cee04f7, + 0x8cc764ca}, + {0x00000000, 0xa5d35ccb, 0x0ba1c84d, 0xae729486, 0x1642919b, + 0xb391cd50, 0x1de359d6, 0xb830051d, 0x6d8253ec, 0xc8510f27, + 0x66239ba1, 0xc3f0c76a, 0x7bc0c277, 0xde139ebc, 0x70610a3a, + 0xd5b256f1, 0x9b02d603, 0x3ed18ac8, 0x90a31e4e, 0x35704285, + 0x8d404798, 0x28931b53, 0x86e18fd5, 0x2332d31e, 0xf68085ef, + 0x5353d924, 0xfd214da2, 0x58f21169, 0xe0c21474, 0x451148bf, + 0xeb63dc39, 0x4eb080f2, 0x3605ac07, 0x93d6f0cc, 0x3da4644a, + 0x98773881, 0x20473d9c, 0x85946157, 0x2be6f5d1, 0x8e35a91a, + 0x5b87ffeb, 0xfe54a320, 0x502637a6, 0xf5f56b6d, 0x4dc56e70, + 0xe81632bb, 0x4664a63d, 0xe3b7faf6, 0xad077a04, 0x08d426cf, + 0xa6a6b249, 0x0375ee82, 0xbb45eb9f, 0x1e96b754, 0xb0e423d2, + 0x15377f19, 0xc08529e8, 0x65567523, 0xcb24e1a5, 0x6ef7bd6e, + 0xd6c7b873, 0x7314e4b8, 0xdd66703e, 0x78b52cf5, 0x6c0a580f, + 0xc9d904c4, 0x67ab9042, 0xc278cc89, 0x7a48c994, 0xdf9b955f, + 0x71e901d9, 0xd43a5d12, 0x01880be3, 0xa45b5728, 0x0a29c3ae, + 0xaffa9f65, 0x17ca9a78, 0xb219c6b3, 0x1c6b5235, 0xb9b80efe, + 0xf7088e0c, 0x52dbd2c7, 0xfca94641, 0x597a1a8a, 0xe14a1f97, + 0x4499435c, 0xeaebd7da, 0x4f388b11, 0x9a8adde0, 0x3f59812b, + 0x912b15ad, 0x34f84966, 0x8cc84c7b, 0x291b10b0, 0x87698436, + 0x22bad8fd, 0x5a0ff408, 0xffdca8c3, 0x51ae3c45, 0xf47d608e, + 0x4c4d6593, 0xe99e3958, 0x47ecadde, 0xe23ff115, 0x378da7e4, + 0x925efb2f, 0x3c2c6fa9, 0x99ff3362, 0x21cf367f, 0x841c6ab4, + 0x2a6efe32, 0x8fbda2f9, 0xc10d220b, 0x64de7ec0, 0xcaacea46, + 0x6f7fb68d, 0xd74fb390, 0x729cef5b, 0xdcee7bdd, 0x793d2716, + 0xac8f71e7, 0x095c2d2c, 0xa72eb9aa, 0x02fde561, 0xbacde07c, + 0x1f1ebcb7, 0xb16c2831, 0x14bf74fa, 0xd814b01e, 0x7dc7ecd5, + 0xd3b57853, 0x76662498, 0xce562185, 0x6b857d4e, 0xc5f7e9c8, + 0x6024b503, 0xb596e3f2, 0x1045bf39, 0xbe372bbf, 0x1be47774, + 0xa3d47269, 0x06072ea2, 0xa875ba24, 0x0da6e6ef, 0x4316661d, + 0xe6c53ad6, 0x48b7ae50, 0xed64f29b, 0x5554f786, 0xf087ab4d, + 0x5ef53fcb, 0xfb266300, 0x2e9435f1, 0x8b47693a, 0x2535fdbc, + 0x80e6a177, 0x38d6a46a, 0x9d05f8a1, 0x33776c27, 0x96a430ec, + 0xee111c19, 0x4bc240d2, 0xe5b0d454, 0x4063889f, 0xf8538d82, + 0x5d80d149, 0xf3f245cf, 0x56211904, 0x83934ff5, 0x2640133e, + 0x883287b8, 0x2de1db73, 0x95d1de6e, 0x300282a5, 0x9e701623, + 0x3ba34ae8, 0x7513ca1a, 0xd0c096d1, 0x7eb20257, 0xdb615e9c, + 0x63515b81, 0xc682074a, 0x68f093cc, 0xcd23cf07, 0x189199f6, + 0xbd42c53d, 0x133051bb, 0xb6e30d70, 0x0ed3086d, 0xab0054a6, + 0x0572c020, 0xa0a19ceb, 0xb41ee811, 0x11cdb4da, 0xbfbf205c, + 0x1a6c7c97, 0xa25c798a, 0x078f2541, 0xa9fdb1c7, 0x0c2eed0c, + 0xd99cbbfd, 0x7c4fe736, 0xd23d73b0, 0x77ee2f7b, 0xcfde2a66, + 0x6a0d76ad, 0xc47fe22b, 0x61acbee0, 0x2f1c3e12, 0x8acf62d9, + 0x24bdf65f, 0x816eaa94, 0x395eaf89, 0x9c8df342, 0x32ff67c4, + 0x972c3b0f, 0x429e6dfe, 0xe74d3135, 0x493fa5b3, 0xececf978, + 0x54dcfc65, 0xf10fa0ae, 0x5f7d3428, 0xfaae68e3, 0x821b4416, + 0x27c818dd, 0x89ba8c5b, 0x2c69d090, 0x9459d58d, 0x318a8946, + 0x9ff81dc0, 0x3a2b410b, 0xef9917fa, 0x4a4a4b31, 0xe438dfb7, + 0x41eb837c, 0xf9db8661, 0x5c08daaa, 0xf27a4e2c, 0x57a912e7, + 0x19199215, 0xbccacede, 0x12b85a58, 0xb76b0693, 0x0f5b038e, + 0xaa885f45, 0x04facbc3, 0xa1299708, 0x749bc1f9, 0xd1489d32, + 0x7f3a09b4, 0xdae9557f, 0x62d95062, 0xc70a0ca9, 0x6978982f, + 0xccabc4e4}, + {0x00000000, 0xb40b77a6, 0x29119f97, 0x9d1ae831, 0x13244ff4, + 0xa72f3852, 0x3a35d063, 0x8e3ea7c5, 0x674eef33, 0xd3459895, + 0x4e5f70a4, 0xfa540702, 0x746aa0c7, 0xc061d761, 0x5d7b3f50, + 0xe97048f6, 0xce9cde67, 0x7a97a9c1, 0xe78d41f0, 0x53863656, + 0xddb89193, 0x69b3e635, 0xf4a90e04, 0x40a279a2, 0xa9d23154, + 0x1dd946f2, 0x80c3aec3, 0x34c8d965, 0xbaf67ea0, 0x0efd0906, + 0x93e7e137, 0x27ec9691, 0x9c39bdcf, 0x2832ca69, 0xb5282258, + 0x012355fe, 0x8f1df23b, 0x3b16859d, 0xa60c6dac, 0x12071a0a, + 0xfb7752fc, 0x4f7c255a, 0xd266cd6b, 0x666dbacd, 0xe8531d08, + 0x5c586aae, 0xc142829f, 0x7549f539, 0x52a563a8, 0xe6ae140e, + 0x7bb4fc3f, 0xcfbf8b99, 0x41812c5c, 0xf58a5bfa, 0x6890b3cb, + 0xdc9bc46d, 0x35eb8c9b, 0x81e0fb3d, 0x1cfa130c, 0xa8f164aa, + 0x26cfc36f, 0x92c4b4c9, 0x0fde5cf8, 0xbbd52b5e, 0x79750b44, + 0xcd7e7ce2, 0x506494d3, 0xe46fe375, 0x6a5144b0, 0xde5a3316, + 0x4340db27, 0xf74bac81, 0x1e3be477, 0xaa3093d1, 0x372a7be0, + 0x83210c46, 0x0d1fab83, 0xb914dc25, 0x240e3414, 0x900543b2, + 0xb7e9d523, 0x03e2a285, 0x9ef84ab4, 0x2af33d12, 0xa4cd9ad7, + 0x10c6ed71, 0x8ddc0540, 0x39d772e6, 0xd0a73a10, 0x64ac4db6, + 0xf9b6a587, 0x4dbdd221, 0xc38375e4, 0x77880242, 0xea92ea73, + 0x5e999dd5, 0xe54cb68b, 0x5147c12d, 0xcc5d291c, 0x78565eba, + 0xf668f97f, 0x42638ed9, 0xdf7966e8, 0x6b72114e, 0x820259b8, + 0x36092e1e, 0xab13c62f, 0x1f18b189, 0x9126164c, 0x252d61ea, + 0xb83789db, 0x0c3cfe7d, 0x2bd068ec, 0x9fdb1f4a, 0x02c1f77b, + 0xb6ca80dd, 0x38f42718, 0x8cff50be, 0x11e5b88f, 0xa5eecf29, + 0x4c9e87df, 0xf895f079, 0x658f1848, 0xd1846fee, 0x5fbac82b, + 0xebb1bf8d, 0x76ab57bc, 0xc2a0201a, 0xf2ea1688, 0x46e1612e, + 0xdbfb891f, 0x6ff0feb9, 0xe1ce597c, 0x55c52eda, 0xc8dfc6eb, + 0x7cd4b14d, 0x95a4f9bb, 0x21af8e1d, 0xbcb5662c, 0x08be118a, + 0x8680b64f, 0x328bc1e9, 0xaf9129d8, 0x1b9a5e7e, 0x3c76c8ef, + 0x887dbf49, 0x15675778, 0xa16c20de, 0x2f52871b, 0x9b59f0bd, + 0x0643188c, 0xb2486f2a, 0x5b3827dc, 0xef33507a, 0x7229b84b, + 0xc622cfed, 0x481c6828, 0xfc171f8e, 0x610df7bf, 0xd5068019, + 0x6ed3ab47, 0xdad8dce1, 0x47c234d0, 0xf3c94376, 0x7df7e4b3, + 0xc9fc9315, 0x54e67b24, 0xe0ed0c82, 0x099d4474, 0xbd9633d2, + 0x208cdbe3, 0x9487ac45, 0x1ab90b80, 0xaeb27c26, 0x33a89417, + 0x87a3e3b1, 0xa04f7520, 0x14440286, 0x895eeab7, 0x3d559d11, + 0xb36b3ad4, 0x07604d72, 0x9a7aa543, 0x2e71d2e5, 0xc7019a13, + 0x730aedb5, 0xee100584, 0x5a1b7222, 0xd425d5e7, 0x602ea241, + 0xfd344a70, 0x493f3dd6, 0x8b9f1dcc, 0x3f946a6a, 0xa28e825b, + 0x1685f5fd, 0x98bb5238, 0x2cb0259e, 0xb1aacdaf, 0x05a1ba09, + 0xecd1f2ff, 0x58da8559, 0xc5c06d68, 0x71cb1ace, 0xfff5bd0b, + 0x4bfecaad, 0xd6e4229c, 0x62ef553a, 0x4503c3ab, 0xf108b40d, + 0x6c125c3c, 0xd8192b9a, 0x56278c5f, 0xe22cfbf9, 0x7f3613c8, + 0xcb3d646e, 0x224d2c98, 0x96465b3e, 0x0b5cb30f, 0xbf57c4a9, + 0x3169636c, 0x856214ca, 0x1878fcfb, 0xac738b5d, 0x17a6a003, + 0xa3add7a5, 0x3eb73f94, 0x8abc4832, 0x0482eff7, 0xb0899851, + 0x2d937060, 0x999807c6, 0x70e84f30, 0xc4e33896, 0x59f9d0a7, + 0xedf2a701, 0x63cc00c4, 0xd7c77762, 0x4add9f53, 0xfed6e8f5, + 0xd93a7e64, 0x6d3109c2, 0xf02be1f3, 0x44209655, 0xca1e3190, + 0x7e154636, 0xe30fae07, 0x5704d9a1, 0xbe749157, 0x0a7fe6f1, + 0x97650ec0, 0x236e7966, 0xad50dea3, 0x195ba905, 0x84414134, + 0x304a3692}, + {0x00000000, 0x9e00aacc, 0x7d072542, 0xe3078f8e, 0xfa0e4a84, + 0x640ee048, 0x87096fc6, 0x1909c50a, 0xb51be5d3, 0x2b1b4f1f, + 0xc81cc091, 0x561c6a5d, 0x4f15af57, 0xd115059b, 0x32128a15, + 0xac1220d9, 0x2b31bb7c, 0xb53111b0, 0x56369e3e, 0xc83634f2, + 0xd13ff1f8, 0x4f3f5b34, 0xac38d4ba, 0x32387e76, 0x9e2a5eaf, + 0x002af463, 0xe32d7bed, 0x7d2dd121, 0x6424142b, 0xfa24bee7, + 0x19233169, 0x87239ba5, 0x566276f9, 0xc862dc35, 0x2b6553bb, + 0xb565f977, 0xac6c3c7d, 0x326c96b1, 0xd16b193f, 0x4f6bb3f3, + 0xe379932a, 0x7d7939e6, 0x9e7eb668, 0x007e1ca4, 0x1977d9ae, + 0x87777362, 0x6470fcec, 0xfa705620, 0x7d53cd85, 0xe3536749, + 0x0054e8c7, 0x9e54420b, 0x875d8701, 0x195d2dcd, 0xfa5aa243, + 0x645a088f, 0xc8482856, 0x5648829a, 0xb54f0d14, 0x2b4fa7d8, + 0x324662d2, 0xac46c81e, 0x4f414790, 0xd141ed5c, 0xedc29d29, + 0x73c237e5, 0x90c5b86b, 0x0ec512a7, 0x17ccd7ad, 0x89cc7d61, + 0x6acbf2ef, 0xf4cb5823, 0x58d978fa, 0xc6d9d236, 0x25de5db8, + 0xbbdef774, 0xa2d7327e, 0x3cd798b2, 0xdfd0173c, 0x41d0bdf0, + 0xc6f32655, 0x58f38c99, 0xbbf40317, 0x25f4a9db, 0x3cfd6cd1, + 0xa2fdc61d, 0x41fa4993, 0xdffae35f, 0x73e8c386, 0xede8694a, + 0x0eefe6c4, 0x90ef4c08, 0x89e68902, 0x17e623ce, 0xf4e1ac40, + 0x6ae1068c, 0xbba0ebd0, 0x25a0411c, 0xc6a7ce92, 0x58a7645e, + 0x41aea154, 0xdfae0b98, 0x3ca98416, 0xa2a92eda, 0x0ebb0e03, + 0x90bba4cf, 0x73bc2b41, 0xedbc818d, 0xf4b54487, 0x6ab5ee4b, + 0x89b261c5, 0x17b2cb09, 0x909150ac, 0x0e91fa60, 0xed9675ee, + 0x7396df22, 0x6a9f1a28, 0xf49fb0e4, 0x17983f6a, 0x899895a6, + 0x258ab57f, 0xbb8a1fb3, 0x588d903d, 0xc68d3af1, 0xdf84fffb, + 0x41845537, 0xa283dab9, 0x3c837075, 0xda853b53, 0x4485919f, + 0xa7821e11, 0x3982b4dd, 0x208b71d7, 0xbe8bdb1b, 0x5d8c5495, + 0xc38cfe59, 0x6f9ede80, 0xf19e744c, 0x1299fbc2, 0x8c99510e, + 0x95909404, 0x0b903ec8, 0xe897b146, 0x76971b8a, 0xf1b4802f, + 0x6fb42ae3, 0x8cb3a56d, 0x12b30fa1, 0x0bbacaab, 0x95ba6067, + 0x76bdefe9, 0xe8bd4525, 0x44af65fc, 0xdaafcf30, 0x39a840be, + 0xa7a8ea72, 0xbea12f78, 0x20a185b4, 0xc3a60a3a, 0x5da6a0f6, + 0x8ce74daa, 0x12e7e766, 0xf1e068e8, 0x6fe0c224, 0x76e9072e, + 0xe8e9ade2, 0x0bee226c, 0x95ee88a0, 0x39fca879, 0xa7fc02b5, + 0x44fb8d3b, 0xdafb27f7, 0xc3f2e2fd, 0x5df24831, 0xbef5c7bf, + 0x20f56d73, 0xa7d6f6d6, 0x39d65c1a, 0xdad1d394, 0x44d17958, + 0x5dd8bc52, 0xc3d8169e, 0x20df9910, 0xbedf33dc, 0x12cd1305, + 0x8ccdb9c9, 0x6fca3647, 0xf1ca9c8b, 0xe8c35981, 0x76c3f34d, + 0x95c47cc3, 0x0bc4d60f, 0x3747a67a, 0xa9470cb6, 0x4a408338, + 0xd44029f4, 0xcd49ecfe, 0x53494632, 0xb04ec9bc, 0x2e4e6370, + 0x825c43a9, 0x1c5ce965, 0xff5b66eb, 0x615bcc27, 0x7852092d, + 0xe652a3e1, 0x05552c6f, 0x9b5586a3, 0x1c761d06, 0x8276b7ca, + 0x61713844, 0xff719288, 0xe6785782, 0x7878fd4e, 0x9b7f72c0, + 0x057fd80c, 0xa96df8d5, 0x376d5219, 0xd46add97, 0x4a6a775b, + 0x5363b251, 0xcd63189d, 0x2e649713, 0xb0643ddf, 0x6125d083, + 0xff257a4f, 0x1c22f5c1, 0x82225f0d, 0x9b2b9a07, 0x052b30cb, + 0xe62cbf45, 0x782c1589, 0xd43e3550, 0x4a3e9f9c, 0xa9391012, + 0x3739bade, 0x2e307fd4, 0xb030d518, 0x53375a96, 0xcd37f05a, + 0x4a146bff, 0xd414c133, 0x37134ebd, 0xa913e471, 0xb01a217b, + 0x2e1a8bb7, 0xcd1d0439, 0x531daef5, 0xff0f8e2c, 0x610f24e0, + 0x8208ab6e, 0x1c0801a2, 0x0501c4a8, 0x9b016e64, 0x7806e1ea, + 0xe6064b26}}; + +#endif + +#endif + +#if N == 3 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x81256527, 0xd93bcc0f, 0x581ea928, 0x69069e5f, + 0xe823fb78, 0xb03d5250, 0x31183777, 0xd20d3cbe, 0x53285999, + 0x0b36f0b1, 0x8a139596, 0xbb0ba2e1, 0x3a2ec7c6, 0x62306eee, + 0xe3150bc9, 0x7f6b7f3d, 0xfe4e1a1a, 0xa650b332, 0x2775d615, + 0x166de162, 0x97488445, 0xcf562d6d, 0x4e73484a, 0xad664383, + 0x2c4326a4, 0x745d8f8c, 0xf578eaab, 0xc460dddc, 0x4545b8fb, + 0x1d5b11d3, 0x9c7e74f4, 0xfed6fe7a, 0x7ff39b5d, 0x27ed3275, + 0xa6c85752, 0x97d06025, 0x16f50502, 0x4eebac2a, 0xcfcec90d, + 0x2cdbc2c4, 0xadfea7e3, 0xf5e00ecb, 0x74c56bec, 0x45dd5c9b, + 0xc4f839bc, 0x9ce69094, 0x1dc3f5b3, 0x81bd8147, 0x0098e460, + 0x58864d48, 0xd9a3286f, 0xe8bb1f18, 0x699e7a3f, 0x3180d317, + 0xb0a5b630, 0x53b0bdf9, 0xd295d8de, 0x8a8b71f6, 0x0bae14d1, + 0x3ab623a6, 0xbb934681, 0xe38defa9, 0x62a88a8e, 0x26dcfab5, + 0xa7f99f92, 0xffe736ba, 0x7ec2539d, 0x4fda64ea, 0xceff01cd, + 0x96e1a8e5, 0x17c4cdc2, 0xf4d1c60b, 0x75f4a32c, 0x2dea0a04, + 0xaccf6f23, 0x9dd75854, 0x1cf23d73, 0x44ec945b, 0xc5c9f17c, + 0x59b78588, 0xd892e0af, 0x808c4987, 0x01a92ca0, 0x30b11bd7, + 0xb1947ef0, 0xe98ad7d8, 0x68afb2ff, 0x8bbab936, 0x0a9fdc11, + 0x52817539, 0xd3a4101e, 0xe2bc2769, 0x6399424e, 0x3b87eb66, + 0xbaa28e41, 0xd80a04cf, 0x592f61e8, 0x0131c8c0, 0x8014ade7, + 0xb10c9a90, 0x3029ffb7, 0x6837569f, 0xe91233b8, 0x0a073871, + 0x8b225d56, 0xd33cf47e, 0x52199159, 0x6301a62e, 0xe224c309, + 0xba3a6a21, 0x3b1f0f06, 0xa7617bf2, 0x26441ed5, 0x7e5ab7fd, + 0xff7fd2da, 0xce67e5ad, 0x4f42808a, 0x175c29a2, 0x96794c85, + 0x756c474c, 0xf449226b, 0xac578b43, 0x2d72ee64, 0x1c6ad913, + 0x9d4fbc34, 0xc551151c, 0x4474703b, 0x4db9f56a, 0xcc9c904d, + 0x94823965, 0x15a75c42, 0x24bf6b35, 0xa59a0e12, 0xfd84a73a, + 0x7ca1c21d, 0x9fb4c9d4, 0x1e91acf3, 0x468f05db, 0xc7aa60fc, + 0xf6b2578b, 0x779732ac, 0x2f899b84, 0xaeacfea3, 0x32d28a57, + 0xb3f7ef70, 0xebe94658, 0x6acc237f, 0x5bd41408, 0xdaf1712f, + 0x82efd807, 0x03cabd20, 0xe0dfb6e9, 0x61fad3ce, 0x39e47ae6, + 0xb8c11fc1, 0x89d928b6, 0x08fc4d91, 0x50e2e4b9, 0xd1c7819e, + 0xb36f0b10, 0x324a6e37, 0x6a54c71f, 0xeb71a238, 0xda69954f, + 0x5b4cf068, 0x03525940, 0x82773c67, 0x616237ae, 0xe0475289, + 0xb859fba1, 0x397c9e86, 0x0864a9f1, 0x8941ccd6, 0xd15f65fe, + 0x507a00d9, 0xcc04742d, 0x4d21110a, 0x153fb822, 0x941add05, + 0xa502ea72, 0x24278f55, 0x7c39267d, 0xfd1c435a, 0x1e094893, + 0x9f2c2db4, 0xc732849c, 0x4617e1bb, 0x770fd6cc, 0xf62ab3eb, + 0xae341ac3, 0x2f117fe4, 0x6b650fdf, 0xea406af8, 0xb25ec3d0, + 0x337ba6f7, 0x02639180, 0x8346f4a7, 0xdb585d8f, 0x5a7d38a8, + 0xb9683361, 0x384d5646, 0x6053ff6e, 0xe1769a49, 0xd06ead3e, + 0x514bc819, 0x09556131, 0x88700416, 0x140e70e2, 0x952b15c5, + 0xcd35bced, 0x4c10d9ca, 0x7d08eebd, 0xfc2d8b9a, 0xa43322b2, + 0x25164795, 0xc6034c5c, 0x4726297b, 0x1f388053, 0x9e1de574, + 0xaf05d203, 0x2e20b724, 0x763e1e0c, 0xf71b7b2b, 0x95b3f1a5, + 0x14969482, 0x4c883daa, 0xcdad588d, 0xfcb56ffa, 0x7d900add, + 0x258ea3f5, 0xa4abc6d2, 0x47becd1b, 0xc69ba83c, 0x9e850114, + 0x1fa06433, 0x2eb85344, 0xaf9d3663, 0xf7839f4b, 0x76a6fa6c, + 0xead88e98, 0x6bfdebbf, 0x33e34297, 0xb2c627b0, 0x83de10c7, + 0x02fb75e0, 0x5ae5dcc8, 0xdbc0b9ef, 0x38d5b226, 0xb9f0d701, + 0xe1ee7e29, 0x60cb1b0e, 0x51d32c79, 0xd0f6495e, 0x88e8e076, + 0x09cd8551}, + {0x00000000, 0x9b73ead4, 0xed96d3e9, 0x76e5393d, 0x005ca193, + 0x9b2f4b47, 0xedca727a, 0x76b998ae, 0x00b94326, 0x9bcaa9f2, + 0xed2f90cf, 0x765c7a1b, 0x00e5e2b5, 0x9b960861, 0xed73315c, + 0x7600db88, 0x0172864c, 0x9a016c98, 0xece455a5, 0x7797bf71, + 0x012e27df, 0x9a5dcd0b, 0xecb8f436, 0x77cb1ee2, 0x01cbc56a, + 0x9ab82fbe, 0xec5d1683, 0x772efc57, 0x019764f9, 0x9ae48e2d, + 0xec01b710, 0x77725dc4, 0x02e50c98, 0x9996e64c, 0xef73df71, + 0x740035a5, 0x02b9ad0b, 0x99ca47df, 0xef2f7ee2, 0x745c9436, + 0x025c4fbe, 0x992fa56a, 0xefca9c57, 0x74b97683, 0x0200ee2d, + 0x997304f9, 0xef963dc4, 0x74e5d710, 0x03978ad4, 0x98e46000, + 0xee01593d, 0x7572b3e9, 0x03cb2b47, 0x98b8c193, 0xee5df8ae, + 0x752e127a, 0x032ec9f2, 0x985d2326, 0xeeb81a1b, 0x75cbf0cf, + 0x03726861, 0x980182b5, 0xeee4bb88, 0x7597515c, 0x05ca1930, + 0x9eb9f3e4, 0xe85ccad9, 0x732f200d, 0x0596b8a3, 0x9ee55277, + 0xe8006b4a, 0x7373819e, 0x05735a16, 0x9e00b0c2, 0xe8e589ff, + 0x7396632b, 0x052ffb85, 0x9e5c1151, 0xe8b9286c, 0x73cac2b8, + 0x04b89f7c, 0x9fcb75a8, 0xe92e4c95, 0x725da641, 0x04e43eef, + 0x9f97d43b, 0xe972ed06, 0x720107d2, 0x0401dc5a, 0x9f72368e, + 0xe9970fb3, 0x72e4e567, 0x045d7dc9, 0x9f2e971d, 0xe9cbae20, + 0x72b844f4, 0x072f15a8, 0x9c5cff7c, 0xeab9c641, 0x71ca2c95, + 0x0773b43b, 0x9c005eef, 0xeae567d2, 0x71968d06, 0x0796568e, + 0x9ce5bc5a, 0xea008567, 0x71736fb3, 0x07caf71d, 0x9cb91dc9, + 0xea5c24f4, 0x712fce20, 0x065d93e4, 0x9d2e7930, 0xebcb400d, + 0x70b8aad9, 0x06013277, 0x9d72d8a3, 0xeb97e19e, 0x70e40b4a, + 0x06e4d0c2, 0x9d973a16, 0xeb72032b, 0x7001e9ff, 0x06b87151, + 0x9dcb9b85, 0xeb2ea2b8, 0x705d486c, 0x0b943260, 0x90e7d8b4, + 0xe602e189, 0x7d710b5d, 0x0bc893f3, 0x90bb7927, 0xe65e401a, + 0x7d2daace, 0x0b2d7146, 0x905e9b92, 0xe6bba2af, 0x7dc8487b, + 0x0b71d0d5, 0x90023a01, 0xe6e7033c, 0x7d94e9e8, 0x0ae6b42c, + 0x91955ef8, 0xe77067c5, 0x7c038d11, 0x0aba15bf, 0x91c9ff6b, + 0xe72cc656, 0x7c5f2c82, 0x0a5ff70a, 0x912c1dde, 0xe7c924e3, + 0x7cbace37, 0x0a035699, 0x9170bc4d, 0xe7958570, 0x7ce66fa4, + 0x09713ef8, 0x9202d42c, 0xe4e7ed11, 0x7f9407c5, 0x092d9f6b, + 0x925e75bf, 0xe4bb4c82, 0x7fc8a656, 0x09c87dde, 0x92bb970a, + 0xe45eae37, 0x7f2d44e3, 0x0994dc4d, 0x92e73699, 0xe4020fa4, + 0x7f71e570, 0x0803b8b4, 0x93705260, 0xe5956b5d, 0x7ee68189, + 0x085f1927, 0x932cf3f3, 0xe5c9cace, 0x7eba201a, 0x08bafb92, + 0x93c91146, 0xe52c287b, 0x7e5fc2af, 0x08e65a01, 0x9395b0d5, + 0xe57089e8, 0x7e03633c, 0x0e5e2b50, 0x952dc184, 0xe3c8f8b9, + 0x78bb126d, 0x0e028ac3, 0x95716017, 0xe394592a, 0x78e7b3fe, + 0x0ee76876, 0x959482a2, 0xe371bb9f, 0x7802514b, 0x0ebbc9e5, + 0x95c82331, 0xe32d1a0c, 0x785ef0d8, 0x0f2cad1c, 0x945f47c8, + 0xe2ba7ef5, 0x79c99421, 0x0f700c8f, 0x9403e65b, 0xe2e6df66, + 0x799535b2, 0x0f95ee3a, 0x94e604ee, 0xe2033dd3, 0x7970d707, + 0x0fc94fa9, 0x94baa57d, 0xe25f9c40, 0x792c7694, 0x0cbb27c8, + 0x97c8cd1c, 0xe12df421, 0x7a5e1ef5, 0x0ce7865b, 0x97946c8f, + 0xe17155b2, 0x7a02bf66, 0x0c0264ee, 0x97718e3a, 0xe194b707, + 0x7ae75dd3, 0x0c5ec57d, 0x972d2fa9, 0xe1c81694, 0x7abbfc40, + 0x0dc9a184, 0x96ba4b50, 0xe05f726d, 0x7b2c98b9, 0x0d950017, + 0x96e6eac3, 0xe003d3fe, 0x7b70392a, 0x0d70e2a2, 0x96030876, + 0xe0e6314b, 0x7b95db9f, 0x0d2c4331, 0x965fa9e5, 0xe0ba90d8, + 0x7bc97a0c}, + {0x00000000, 0x172864c0, 0x2e50c980, 0x3978ad40, 0x5ca19300, + 0x4b89f7c0, 0x72f15a80, 0x65d93e40, 0xb9432600, 0xae6b42c0, + 0x9713ef80, 0x803b8b40, 0xe5e2b500, 0xf2cad1c0, 0xcbb27c80, + 0xdc9a1840, 0xa9f74a41, 0xbedf2e81, 0x87a783c1, 0x908fe701, + 0xf556d941, 0xe27ebd81, 0xdb0610c1, 0xcc2e7401, 0x10b46c41, + 0x079c0881, 0x3ee4a5c1, 0x29ccc101, 0x4c15ff41, 0x5b3d9b81, + 0x624536c1, 0x756d5201, 0x889f92c3, 0x9fb7f603, 0xa6cf5b43, + 0xb1e73f83, 0xd43e01c3, 0xc3166503, 0xfa6ec843, 0xed46ac83, + 0x31dcb4c3, 0x26f4d003, 0x1f8c7d43, 0x08a41983, 0x6d7d27c3, + 0x7a554303, 0x432dee43, 0x54058a83, 0x2168d882, 0x3640bc42, + 0x0f381102, 0x181075c2, 0x7dc94b82, 0x6ae12f42, 0x53998202, + 0x44b1e6c2, 0x982bfe82, 0x8f039a42, 0xb67b3702, 0xa15353c2, + 0xc48a6d82, 0xd3a20942, 0xeadaa402, 0xfdf2c0c2, 0xca4e23c7, + 0xdd664707, 0xe41eea47, 0xf3368e87, 0x96efb0c7, 0x81c7d407, + 0xb8bf7947, 0xaf971d87, 0x730d05c7, 0x64256107, 0x5d5dcc47, + 0x4a75a887, 0x2fac96c7, 0x3884f207, 0x01fc5f47, 0x16d43b87, + 0x63b96986, 0x74910d46, 0x4de9a006, 0x5ac1c4c6, 0x3f18fa86, + 0x28309e46, 0x11483306, 0x066057c6, 0xdafa4f86, 0xcdd22b46, + 0xf4aa8606, 0xe382e2c6, 0x865bdc86, 0x9173b846, 0xa80b1506, + 0xbf2371c6, 0x42d1b104, 0x55f9d5c4, 0x6c817884, 0x7ba91c44, + 0x1e702204, 0x095846c4, 0x3020eb84, 0x27088f44, 0xfb929704, + 0xecbaf3c4, 0xd5c25e84, 0xc2ea3a44, 0xa7330404, 0xb01b60c4, + 0x8963cd84, 0x9e4ba944, 0xeb26fb45, 0xfc0e9f85, 0xc57632c5, + 0xd25e5605, 0xb7876845, 0xa0af0c85, 0x99d7a1c5, 0x8effc505, + 0x5265dd45, 0x454db985, 0x7c3514c5, 0x6b1d7005, 0x0ec44e45, + 0x19ec2a85, 0x209487c5, 0x37bce305, 0x4fed41cf, 0x58c5250f, + 0x61bd884f, 0x7695ec8f, 0x134cd2cf, 0x0464b60f, 0x3d1c1b4f, + 0x2a347f8f, 0xf6ae67cf, 0xe186030f, 0xd8feae4f, 0xcfd6ca8f, + 0xaa0ff4cf, 0xbd27900f, 0x845f3d4f, 0x9377598f, 0xe61a0b8e, + 0xf1326f4e, 0xc84ac20e, 0xdf62a6ce, 0xbabb988e, 0xad93fc4e, + 0x94eb510e, 0x83c335ce, 0x5f592d8e, 0x4871494e, 0x7109e40e, + 0x662180ce, 0x03f8be8e, 0x14d0da4e, 0x2da8770e, 0x3a8013ce, + 0xc772d30c, 0xd05ab7cc, 0xe9221a8c, 0xfe0a7e4c, 0x9bd3400c, + 0x8cfb24cc, 0xb583898c, 0xa2abed4c, 0x7e31f50c, 0x691991cc, + 0x50613c8c, 0x4749584c, 0x2290660c, 0x35b802cc, 0x0cc0af8c, + 0x1be8cb4c, 0x6e85994d, 0x79adfd8d, 0x40d550cd, 0x57fd340d, + 0x32240a4d, 0x250c6e8d, 0x1c74c3cd, 0x0b5ca70d, 0xd7c6bf4d, + 0xc0eedb8d, 0xf99676cd, 0xeebe120d, 0x8b672c4d, 0x9c4f488d, + 0xa537e5cd, 0xb21f810d, 0x85a36208, 0x928b06c8, 0xabf3ab88, + 0xbcdbcf48, 0xd902f108, 0xce2a95c8, 0xf7523888, 0xe07a5c48, + 0x3ce04408, 0x2bc820c8, 0x12b08d88, 0x0598e948, 0x6041d708, + 0x7769b3c8, 0x4e111e88, 0x59397a48, 0x2c542849, 0x3b7c4c89, + 0x0204e1c9, 0x152c8509, 0x70f5bb49, 0x67dddf89, 0x5ea572c9, + 0x498d1609, 0x95170e49, 0x823f6a89, 0xbb47c7c9, 0xac6fa309, + 0xc9b69d49, 0xde9ef989, 0xe7e654c9, 0xf0ce3009, 0x0d3cf0cb, + 0x1a14940b, 0x236c394b, 0x34445d8b, 0x519d63cb, 0x46b5070b, + 0x7fcdaa4b, 0x68e5ce8b, 0xb47fd6cb, 0xa357b20b, 0x9a2f1f4b, + 0x8d077b8b, 0xe8de45cb, 0xfff6210b, 0xc68e8c4b, 0xd1a6e88b, + 0xa4cbba8a, 0xb3e3de4a, 0x8a9b730a, 0x9db317ca, 0xf86a298a, + 0xef424d4a, 0xd63ae00a, 0xc11284ca, 0x1d889c8a, 0x0aa0f84a, + 0x33d8550a, 0x24f031ca, 0x41290f8a, 0x56016b4a, 0x6f79c60a, + 0x7851a2ca}, + {0x00000000, 0x9fda839e, 0xe4c4017d, 0x7b1e82e3, 0x12f904bb, + 0x8d238725, 0xf63d05c6, 0x69e78658, 0x25f20976, 0xba288ae8, + 0xc136080b, 0x5eec8b95, 0x370b0dcd, 0xa8d18e53, 0xd3cf0cb0, + 0x4c158f2e, 0x4be412ec, 0xd43e9172, 0xaf201391, 0x30fa900f, + 0x591d1657, 0xc6c795c9, 0xbdd9172a, 0x220394b4, 0x6e161b9a, + 0xf1cc9804, 0x8ad21ae7, 0x15089979, 0x7cef1f21, 0xe3359cbf, + 0x982b1e5c, 0x07f19dc2, 0x97c825d8, 0x0812a646, 0x730c24a5, + 0xecd6a73b, 0x85312163, 0x1aeba2fd, 0x61f5201e, 0xfe2fa380, + 0xb23a2cae, 0x2de0af30, 0x56fe2dd3, 0xc924ae4d, 0xa0c32815, + 0x3f19ab8b, 0x44072968, 0xdbddaaf6, 0xdc2c3734, 0x43f6b4aa, + 0x38e83649, 0xa732b5d7, 0xced5338f, 0x510fb011, 0x2a1132f2, + 0xb5cbb16c, 0xf9de3e42, 0x6604bddc, 0x1d1a3f3f, 0x82c0bca1, + 0xeb273af9, 0x74fdb967, 0x0fe33b84, 0x9039b81a, 0xf4e14df1, + 0x6b3bce6f, 0x10254c8c, 0x8fffcf12, 0xe618494a, 0x79c2cad4, + 0x02dc4837, 0x9d06cba9, 0xd1134487, 0x4ec9c719, 0x35d745fa, + 0xaa0dc664, 0xc3ea403c, 0x5c30c3a2, 0x272e4141, 0xb8f4c2df, + 0xbf055f1d, 0x20dfdc83, 0x5bc15e60, 0xc41bddfe, 0xadfc5ba6, + 0x3226d838, 0x49385adb, 0xd6e2d945, 0x9af7566b, 0x052dd5f5, + 0x7e335716, 0xe1e9d488, 0x880e52d0, 0x17d4d14e, 0x6cca53ad, + 0xf310d033, 0x63296829, 0xfcf3ebb7, 0x87ed6954, 0x1837eaca, + 0x71d06c92, 0xee0aef0c, 0x95146def, 0x0aceee71, 0x46db615f, + 0xd901e2c1, 0xa21f6022, 0x3dc5e3bc, 0x542265e4, 0xcbf8e67a, + 0xb0e66499, 0x2f3ce707, 0x28cd7ac5, 0xb717f95b, 0xcc097bb8, + 0x53d3f826, 0x3a347e7e, 0xa5eefde0, 0xdef07f03, 0x412afc9d, + 0x0d3f73b3, 0x92e5f02d, 0xe9fb72ce, 0x7621f150, 0x1fc67708, + 0x801cf496, 0xfb027675, 0x64d8f5eb, 0x32b39da3, 0xad691e3d, + 0xd6779cde, 0x49ad1f40, 0x204a9918, 0xbf901a86, 0xc48e9865, + 0x5b541bfb, 0x174194d5, 0x889b174b, 0xf38595a8, 0x6c5f1636, + 0x05b8906e, 0x9a6213f0, 0xe17c9113, 0x7ea6128d, 0x79578f4f, + 0xe68d0cd1, 0x9d938e32, 0x02490dac, 0x6bae8bf4, 0xf474086a, + 0x8f6a8a89, 0x10b00917, 0x5ca58639, 0xc37f05a7, 0xb8618744, + 0x27bb04da, 0x4e5c8282, 0xd186011c, 0xaa9883ff, 0x35420061, + 0xa57bb87b, 0x3aa13be5, 0x41bfb906, 0xde653a98, 0xb782bcc0, + 0x28583f5e, 0x5346bdbd, 0xcc9c3e23, 0x8089b10d, 0x1f533293, + 0x644db070, 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0xa091cb5e, 0x41bfc13a, + 0xaeed77db, 0x446baab9, 0xab391c58, 0x73e5e428, 0x9cb752c9, + 0x76318fab, 0x9963394a, 0x784d332e, 0x971f85cf, 0x7d9958ad, + 0x92cbee4c, 0x64b44a24, 0x8be6fcc5, 0x616021a7, 0x8e329746, + 0x6f1c9d22, 0x804e2bc3, 0x6ac8f6a1, 0x859a4040, 0xba8d7060, + 0x55dfc681, 0xbf591be3, 0x500bad02, 0xb125a766, 0x5e771187, + 0xb4f1cce5, 0x5ba37a04, 0xaddcde6c, 0x428e688d, 0xa808b5ef, + 0x475a030e, 0xa674096a, 0x4926bf8b, 0xa3a062e9, 0x4cf2d408, + 0x942e2c78, 0x7b7c9a99, 0x91fa47fb, 0x7ea8f11a, 0x9f86fb7e, + 0x70d44d9f, 0x9a5290fd, 0x7500261c, 0x837f8274, 0x6c2d3495, + 0x86abe9f7, 0x69f95f16, 0x88d75572, 0x6785e393, 0x8d033ef1, + 0x62518810, 0xe7cbc850, 0x08997eb1, 0xe21fa3d3, 0x0d4d1532, + 0xec631f56, 0x0331a9b7, 0xe9b774d5, 0x06e5c234, 0xf09a665c, + 0x1fc8d0bd, 0xf54e0ddf, 0x1a1cbb3e, 0xfb32b15a, 0x146007bb, + 0xfee6dad9, 0x11b46c38, 0xc9689448, 0x263a22a9, 0xccbcffcb, + 0x23ee492a, 0xc2c0434e, 0x2d92f5af, 0xc71428cd, 0x28469e2c, + 0xde393a44, 0x316b8ca5, 0xdbed51c7, 0x34bfe726, 0xd591ed42, + 0x3ac35ba3, 0xd04586c1, 0x3f173020, 0xae6be681, 0x41395060, + 0xabbf8d02, 0x44ed3be3, 0xa5c33187, 0x4a918766, 0xa0175a04, + 0x4f45ece5, 0xb93a488d, 0x5668fe6c, 0xbcee230e, 0x53bc95ef, + 0xb2929f8b, 0x5dc0296a, 0xb746f408, 0x581442e9, 0x80c8ba99, + 0x6f9a0c78, 0x851cd11a, 0x6a4e67fb, 0x8b606d9f, 0x6432db7e, + 0x8eb4061c, 0x61e6b0fd, 0x97991495, 0x78cba274, 0x924d7f16, + 0x7d1fc9f7, 0x9c31c393, 0x73637572, 0x99e5a810, 0x76b71ef1, + 0xf32d5eb1, 0x1c7fe850, 0xf6f93532, 0x19ab83d3, 0xf88589b7, + 0x17d73f56, 0xfd51e234, 0x120354d5, 0xe47cf0bd, 0x0b2e465c, + 0xe1a89b3e, 0x0efa2ddf, 0xefd427bb, 0x0086915a, 0xea004c38, + 0x0552fad9, 0xdd8e02a9, 0x32dcb448, 0xd85a692a, 0x3708dfcb, + 0xd626d5af, 0x3974634e, 0xd3f2be2c, 0x3ca008cd, 0xcadfaca5, + 0x258d1a44, 0xcf0bc726, 0x205971c7, 0xc1777ba3, 0x2e25cd42, + 0xc4a31020, 0x2bf1a6c1, 0x14e696e1, 0xfbb42000, 0x1132fd62, + 0xfe604b83, 0x1f4e41e7, 0xf01cf706, 0x1a9a2a64, 0xf5c89c85, + 0x03b738ed, 0xece58e0c, 0x0663536e, 0xe931e58f, 0x081fefeb, + 0xe74d590a, 0x0dcb8468, 0xe2993289, 0x3a45caf9, 0xd5177c18, + 0x3f91a17a, 0xd0c3179b, 0x31ed1dff, 0xdebfab1e, 0x3439767c, + 0xdb6bc09d, 0x2d1464f5, 0xc246d214, 0x28c00f76, 0xc792b997, + 0x26bcb3f3, 0xc9ee0512, 0x2368d870, 0xcc3a6e91, 0x49a02ed1, + 0xa6f29830, 0x4c744552, 0xa326f3b3, 0x4208f9d7, 0xad5a4f36, + 0x47dc9254, 0xa88e24b5, 0x5ef180dd, 0xb1a3363c, 0x5b25eb5e, + 0xb4775dbf, 0x555957db, 0xba0be13a, 0x508d3c58, 0xbfdf8ab9, + 0x670372c9, 0x8851c428, 0x62d7194a, 0x8d85afab, 0x6caba5cf, + 0x83f9132e, 0x697fce4c, 0x862d78ad, 0x7052dcc5, 0x9f006a24, + 0x7586b746, 0x9ad401a7, 0x7bfa0bc3, 0x94a8bd22, 0x7e2e6040, + 0x917cd6a1}, + {0x00000000, 0x87a6cb43, 0xd43c90c7, 0x539a5b84, 0x730827cf, + 0xf4aeec8c, 0xa734b708, 0x20927c4b, 0xe6104f9e, 0x61b684dd, + 0x322cdf59, 0xb58a141a, 0x95186851, 0x12bea312, 0x4124f896, + 0xc68233d5, 0x1751997d, 0x90f7523e, 0xc36d09ba, 0x44cbc2f9, + 0x6459beb2, 0xe3ff75f1, 0xb0652e75, 0x37c3e536, 0xf141d6e3, + 0x76e71da0, 0x257d4624, 0xa2db8d67, 0x8249f12c, 0x05ef3a6f, + 0x567561eb, 0xd1d3aaa8, 0x2ea332fa, 0xa905f9b9, 0xfa9fa23d, + 0x7d39697e, 0x5dab1535, 0xda0dde76, 0x899785f2, 0x0e314eb1, + 0xc8b37d64, 0x4f15b627, 0x1c8feda3, 0x9b2926e0, 0xbbbb5aab, + 0x3c1d91e8, 0x6f87ca6c, 0xe821012f, 0x39f2ab87, 0xbe5460c4, + 0xedce3b40, 0x6a68f003, 0x4afa8c48, 0xcd5c470b, 0x9ec61c8f, + 0x1960d7cc, 0xdfe2e419, 0x58442f5a, 0x0bde74de, 0x8c78bf9d, + 0xaceac3d6, 0x2b4c0895, 0x78d65311, 0xff709852, 0x5d4665f4, + 0xdae0aeb7, 0x897af533, 0x0edc3e70, 0x2e4e423b, 0xa9e88978, + 0xfa72d2fc, 0x7dd419bf, 0xbb562a6a, 0x3cf0e129, 0x6f6abaad, + 0xe8cc71ee, 0xc85e0da5, 0x4ff8c6e6, 0x1c629d62, 0x9bc45621, + 0x4a17fc89, 0xcdb137ca, 0x9e2b6c4e, 0x198da70d, 0x391fdb46, + 0xbeb91005, 0xed234b81, 0x6a8580c2, 0xac07b317, 0x2ba17854, + 0x783b23d0, 0xff9de893, 0xdf0f94d8, 0x58a95f9b, 0x0b33041f, + 0x8c95cf5c, 0x73e5570e, 0xf4439c4d, 0xa7d9c7c9, 0x207f0c8a, + 0x00ed70c1, 0x874bbb82, 0xd4d1e006, 0x53772b45, 0x95f51890, + 0x1253d3d3, 0x41c98857, 0xc66f4314, 0xe6fd3f5f, 0x615bf41c, + 0x32c1af98, 0xb56764db, 0x64b4ce73, 0xe3120530, 0xb0885eb4, + 0x372e95f7, 0x17bce9bc, 0x901a22ff, 0xc380797b, 0x4426b238, + 0x82a481ed, 0x05024aae, 0x5698112a, 0xd13eda69, 0xf1aca622, + 0x760a6d61, 0x259036e5, 0xa236fda6, 0xba8ccbe8, 0x3d2a00ab, + 0x6eb05b2f, 0xe916906c, 0xc984ec27, 0x4e222764, 0x1db87ce0, + 0x9a1eb7a3, 0x5c9c8476, 0xdb3a4f35, 0x88a014b1, 0x0f06dff2, + 0x2f94a3b9, 0xa83268fa, 0xfba8337e, 0x7c0ef83d, 0xaddd5295, + 0x2a7b99d6, 0x79e1c252, 0xfe470911, 0xded5755a, 0x5973be19, + 0x0ae9e59d, 0x8d4f2ede, 0x4bcd1d0b, 0xcc6bd648, 0x9ff18dcc, + 0x1857468f, 0x38c53ac4, 0xbf63f187, 0xecf9aa03, 0x6b5f6140, + 0x942ff912, 0x13893251, 0x401369d5, 0xc7b5a296, 0xe727dedd, + 0x6081159e, 0x331b4e1a, 0xb4bd8559, 0x723fb68c, 0xf5997dcf, + 0xa603264b, 0x21a5ed08, 0x01379143, 0x86915a00, 0xd50b0184, + 0x52adcac7, 0x837e606f, 0x04d8ab2c, 0x5742f0a8, 0xd0e43beb, + 0xf07647a0, 0x77d08ce3, 0x244ad767, 0xa3ec1c24, 0x656e2ff1, + 0xe2c8e4b2, 0xb152bf36, 0x36f47475, 0x1666083e, 0x91c0c37d, + 0xc25a98f9, 0x45fc53ba, 0xe7caae1c, 0x606c655f, 0x33f63edb, + 0xb450f598, 0x94c289d3, 0x13644290, 0x40fe1914, 0xc758d257, + 0x01dae182, 0x867c2ac1, 0xd5e67145, 0x5240ba06, 0x72d2c64d, + 0xf5740d0e, 0xa6ee568a, 0x21489dc9, 0xf09b3761, 0x773dfc22, + 0x24a7a7a6, 0xa3016ce5, 0x839310ae, 0x0435dbed, 0x57af8069, + 0xd0094b2a, 0x168b78ff, 0x912db3bc, 0xc2b7e838, 0x4511237b, + 0x65835f30, 0xe2259473, 0xb1bfcff7, 0x361904b4, 0xc9699ce6, + 0x4ecf57a5, 0x1d550c21, 0x9af3c762, 0xba61bb29, 0x3dc7706a, + 0x6e5d2bee, 0xe9fbe0ad, 0x2f79d378, 0xa8df183b, 0xfb4543bf, + 0x7ce388fc, 0x5c71f4b7, 0xdbd73ff4, 0x884d6470, 0x0febaf33, + 0xde38059b, 0x599eced8, 0x0a04955c, 0x8da25e1f, 0xad302254, + 0x2a96e917, 0x790cb293, 0xfeaa79d0, 0x38284a05, 0xbf8e8146, + 0xec14dac2, 0x6bb21181, 0x4b206dca, 0xcc86a689, 0x9f1cfd0d, + 0x18ba364e}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x43cba68700000000, 0xc7903cd400000000, + 0x845b9a5300000000, 0xcf27087300000000, 0x8cecaef400000000, + 0x08b734a700000000, 0x4b7c922000000000, 0x9e4f10e600000000, + 0xdd84b66100000000, 0x59df2c3200000000, 0x1a148ab500000000, + 0x5168189500000000, 0x12a3be1200000000, 0x96f8244100000000, + 0xd53382c600000000, 0x7d99511700000000, 0x3e52f79000000000, + 0xba096dc300000000, 0xf9c2cb4400000000, 0xb2be596400000000, + 0xf175ffe300000000, 0x752e65b000000000, 0x36e5c33700000000, + 0xe3d641f100000000, 0xa01de77600000000, 0x24467d2500000000, + 0x678ddba200000000, 0x2cf1498200000000, 0x6f3aef0500000000, + 0xeb61755600000000, 0xa8aad3d100000000, 0xfa32a32e00000000, + 0xb9f905a900000000, 0x3da29ffa00000000, 0x7e69397d00000000, + 0x3515ab5d00000000, 0x76de0dda00000000, 0xf285978900000000, + 0xb14e310e00000000, 0x647db3c800000000, 0x27b6154f00000000, + 0xa3ed8f1c00000000, 0xe026299b00000000, 0xab5abbbb00000000, + 0xe8911d3c00000000, 0x6cca876f00000000, 0x2f0121e800000000, + 0x87abf23900000000, 0xc46054be00000000, 0x403bceed00000000, + 0x03f0686a00000000, 0x488cfa4a00000000, 0x0b475ccd00000000, + 0x8f1cc69e00000000, 0xccd7601900000000, 0x19e4e2df00000000, + 0x5a2f445800000000, 0xde74de0b00000000, 0x9dbf788c00000000, + 0xd6c3eaac00000000, 0x95084c2b00000000, 0x1153d67800000000, + 0x529870ff00000000, 0xf465465d00000000, 0xb7aee0da00000000, + 0x33f57a8900000000, 0x703edc0e00000000, 0x3b424e2e00000000, + 0x7889e8a900000000, 0xfcd272fa00000000, 0xbf19d47d00000000, + 0x6a2a56bb00000000, 0x29e1f03c00000000, 0xadba6a6f00000000, + 0xee71cce800000000, 0xa50d5ec800000000, 0xe6c6f84f00000000, + 0x629d621c00000000, 0x2156c49b00000000, 0x89fc174a00000000, + 0xca37b1cd00000000, 0x4e6c2b9e00000000, 0x0da78d1900000000, + 0x46db1f3900000000, 0x0510b9be00000000, 0x814b23ed00000000, + 0xc280856a00000000, 0x17b307ac00000000, 0x5478a12b00000000, + 0xd0233b7800000000, 0x93e89dff00000000, 0xd8940fdf00000000, + 0x9b5fa95800000000, 0x1f04330b00000000, 0x5ccf958c00000000, + 0x0e57e57300000000, 0x4d9c43f400000000, 0xc9c7d9a700000000, + 0x8a0c7f2000000000, 0xc170ed0000000000, 0x82bb4b8700000000, + 0x06e0d1d400000000, 0x452b775300000000, 0x9018f59500000000, + 0xd3d3531200000000, 0x5788c94100000000, 0x14436fc600000000, + 0x5f3ffde600000000, 0x1cf45b6100000000, 0x98afc13200000000, + 0xdb6467b500000000, 0x73ceb46400000000, 0x300512e300000000, + 0xb45e88b000000000, 0xf7952e3700000000, 0xbce9bc1700000000, + 0xff221a9000000000, 0x7b7980c300000000, 0x38b2264400000000, + 0xed81a48200000000, 0xae4a020500000000, 0x2a11985600000000, + 0x69da3ed100000000, 0x22a6acf100000000, 0x616d0a7600000000, + 0xe536902500000000, 0xa6fd36a200000000, 0xe8cb8cba00000000, + 0xab002a3d00000000, 0x2f5bb06e00000000, 0x6c9016e900000000, + 0x27ec84c900000000, 0x6427224e00000000, 0xe07cb81d00000000, + 0xa3b71e9a00000000, 0x76849c5c00000000, 0x354f3adb00000000, + 0xb114a08800000000, 0xf2df060f00000000, 0xb9a3942f00000000, + 0xfa6832a800000000, 0x7e33a8fb00000000, 0x3df80e7c00000000, + 0x9552ddad00000000, 0xd6997b2a00000000, 0x52c2e17900000000, + 0x110947fe00000000, 0x5a75d5de00000000, 0x19be735900000000, + 0x9de5e90a00000000, 0xde2e4f8d00000000, 0x0b1dcd4b00000000, + 0x48d66bcc00000000, 0xcc8df19f00000000, 0x8f46571800000000, + 0xc43ac53800000000, 0x87f163bf00000000, 0x03aaf9ec00000000, + 0x40615f6b00000000, 0x12f92f9400000000, 0x5132891300000000, + 0xd569134000000000, 0x96a2b5c700000000, 0xddde27e700000000, + 0x9e15816000000000, 0x1a4e1b3300000000, 0x5985bdb400000000, + 0x8cb63f7200000000, 0xcf7d99f500000000, 0x4b2603a600000000, + 0x08eda52100000000, 0x4391370100000000, 0x005a918600000000, + 0x84010bd500000000, 0xc7caad5200000000, 0x6f607e8300000000, + 0x2cabd80400000000, 0xa8f0425700000000, 0xeb3be4d000000000, + 0xa04776f000000000, 0xe38cd07700000000, 0x67d74a2400000000, + 0x241ceca300000000, 0xf12f6e6500000000, 0xb2e4c8e200000000, + 0x36bf52b100000000, 0x7574f43600000000, 0x3e08661600000000, + 0x7dc3c09100000000, 0xf9985ac200000000, 0xba53fc4500000000, + 0x1caecae700000000, 0x5f656c6000000000, 0xdb3ef63300000000, + 0x98f550b400000000, 0xd389c29400000000, 0x9042641300000000, + 0x1419fe4000000000, 0x57d258c700000000, 0x82e1da0100000000, + 0xc12a7c8600000000, 0x4571e6d500000000, 0x06ba405200000000, + 0x4dc6d27200000000, 0x0e0d74f500000000, 0x8a56eea600000000, + 0xc99d482100000000, 0x61379bf000000000, 0x22fc3d7700000000, + 0xa6a7a72400000000, 0xe56c01a300000000, 0xae10938300000000, + 0xeddb350400000000, 0x6980af5700000000, 0x2a4b09d000000000, + 0xff788b1600000000, 0xbcb32d9100000000, 0x38e8b7c200000000, + 0x7b23114500000000, 0x305f836500000000, 0x739425e200000000, + 0xf7cfbfb100000000, 0xb404193600000000, 0xe69c69c900000000, + 0xa557cf4e00000000, 0x210c551d00000000, 0x62c7f39a00000000, + 0x29bb61ba00000000, 0x6a70c73d00000000, 0xee2b5d6e00000000, + 0xade0fbe900000000, 0x78d3792f00000000, 0x3b18dfa800000000, + 0xbf4345fb00000000, 0xfc88e37c00000000, 0xb7f4715c00000000, + 0xf43fd7db00000000, 0x70644d8800000000, 0x33afeb0f00000000, + 0x9b0538de00000000, 0xd8ce9e5900000000, 0x5c95040a00000000, + 0x1f5ea28d00000000, 0x542230ad00000000, 0x17e9962a00000000, + 0x93b20c7900000000, 0xd079aafe00000000, 0x054a283800000000, + 0x46818ebf00000000, 0xc2da14ec00000000, 0x8111b26b00000000, + 0xca6d204b00000000, 0x89a686cc00000000, 0x0dfd1c9f00000000, + 0x4e36ba1800000000}, + {0x0000000000000000, 0xe1b652ef00000000, 0x836bd40500000000, + 0x62dd86ea00000000, 0x06d7a80b00000000, 0xe761fae400000000, + 0x85bc7c0e00000000, 0x640a2ee100000000, 0x0cae511700000000, + 0xed1803f800000000, 0x8fc5851200000000, 0x6e73d7fd00000000, + 0x0a79f91c00000000, 0xebcfabf300000000, 0x89122d1900000000, + 0x68a47ff600000000, 0x185ca32e00000000, 0xf9eaf1c100000000, + 0x9b37772b00000000, 0x7a8125c400000000, 0x1e8b0b2500000000, + 0xff3d59ca00000000, 0x9de0df2000000000, 0x7c568dcf00000000, + 0x14f2f23900000000, 0xf544a0d600000000, 0x9799263c00000000, + 0x762f74d300000000, 0x12255a3200000000, 0xf39308dd00000000, + 0x914e8e3700000000, 0x70f8dcd800000000, 0x30b8465d00000000, + 0xd10e14b200000000, 0xb3d3925800000000, 0x5265c0b700000000, + 0x366fee5600000000, 0xd7d9bcb900000000, 0xb5043a5300000000, + 0x54b268bc00000000, 0x3c16174a00000000, 0xdda045a500000000, + 0xbf7dc34f00000000, 0x5ecb91a000000000, 0x3ac1bf4100000000, + 0xdb77edae00000000, 0xb9aa6b4400000000, 0x581c39ab00000000, + 0x28e4e57300000000, 0xc952b79c00000000, 0xab8f317600000000, + 0x4a39639900000000, 0x2e334d7800000000, 0xcf851f9700000000, + 0xad58997d00000000, 0x4ceecb9200000000, 0x244ab46400000000, + 0xc5fce68b00000000, 0xa721606100000000, 0x4697328e00000000, + 0x229d1c6f00000000, 0xc32b4e8000000000, 0xa1f6c86a00000000, + 0x40409a8500000000, 0x60708dba00000000, 0x81c6df5500000000, + 0xe31b59bf00000000, 0x02ad0b5000000000, 0x66a725b100000000, + 0x8711775e00000000, 0xe5ccf1b400000000, 0x047aa35b00000000, + 0x6cdedcad00000000, 0x8d688e4200000000, 0xefb508a800000000, + 0x0e035a4700000000, 0x6a0974a600000000, 0x8bbf264900000000, + 0xe962a0a300000000, 0x08d4f24c00000000, 0x782c2e9400000000, + 0x999a7c7b00000000, 0xfb47fa9100000000, 0x1af1a87e00000000, + 0x7efb869f00000000, 0x9f4dd47000000000, 0xfd90529a00000000, + 0x1c26007500000000, 0x74827f8300000000, 0x95342d6c00000000, + 0xf7e9ab8600000000, 0x165ff96900000000, 0x7255d78800000000, + 0x93e3856700000000, 0xf13e038d00000000, 0x1088516200000000, + 0x50c8cbe700000000, 0xb17e990800000000, 0xd3a31fe200000000, + 0x32154d0d00000000, 0x561f63ec00000000, 0xb7a9310300000000, + 0xd574b7e900000000, 0x34c2e50600000000, 0x5c669af000000000, + 0xbdd0c81f00000000, 0xdf0d4ef500000000, 0x3ebb1c1a00000000, + 0x5ab132fb00000000, 0xbb07601400000000, 0xd9dae6fe00000000, + 0x386cb41100000000, 0x489468c900000000, 0xa9223a2600000000, + 0xcbffbccc00000000, 0x2a49ee2300000000, 0x4e43c0c200000000, + 0xaff5922d00000000, 0xcd2814c700000000, 0x2c9e462800000000, + 0x443a39de00000000, 0xa58c6b3100000000, 0xc751eddb00000000, + 0x26e7bf3400000000, 0x42ed91d500000000, 0xa35bc33a00000000, + 0xc18645d000000000, 0x2030173f00000000, 0x81e66bae00000000, + 0x6050394100000000, 0x028dbfab00000000, 0xe33bed4400000000, + 0x8731c3a500000000, 0x6687914a00000000, 0x045a17a000000000, + 0xe5ec454f00000000, 0x8d483ab900000000, 0x6cfe685600000000, + 0x0e23eebc00000000, 0xef95bc5300000000, 0x8b9f92b200000000, + 0x6a29c05d00000000, 0x08f446b700000000, 0xe942145800000000, + 0x99bac88000000000, 0x780c9a6f00000000, 0x1ad11c8500000000, + 0xfb674e6a00000000, 0x9f6d608b00000000, 0x7edb326400000000, + 0x1c06b48e00000000, 0xfdb0e66100000000, 0x9514999700000000, + 0x74a2cb7800000000, 0x167f4d9200000000, 0xf7c91f7d00000000, + 0x93c3319c00000000, 0x7275637300000000, 0x10a8e59900000000, + 0xf11eb77600000000, 0xb15e2df300000000, 0x50e87f1c00000000, + 0x3235f9f600000000, 0xd383ab1900000000, 0xb78985f800000000, + 0x563fd71700000000, 0x34e251fd00000000, 0xd554031200000000, + 0xbdf07ce400000000, 0x5c462e0b00000000, 0x3e9ba8e100000000, + 0xdf2dfa0e00000000, 0xbb27d4ef00000000, 0x5a91860000000000, + 0x384c00ea00000000, 0xd9fa520500000000, 0xa9028edd00000000, + 0x48b4dc3200000000, 0x2a695ad800000000, 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0xa02ca90100000000, + 0xd71bb13000000000, 0xf07e94b100000000, 0xd8d78ae900000000, + 0xffb2af6800000000, 0x36b9ba8b00000000, 0x11dc9f0a00000000, + 0x3975815200000000, 0x1e10a4d300000000, 0x6927bce200000000, + 0x4e42996300000000, 0x66eb873b00000000, 0x418ea2ba00000000, + 0xcf040ad800000000, 0xe8612f5900000000, 0xc0c8310100000000, + 0xe7ad148000000000, 0x909a0cb100000000, 0xb7ff293000000000, + 0x9f56376800000000, 0xb83312e900000000, 0x7138070a00000000, + 0x565d228b00000000, 0x7ef43cd300000000, 0x5991195200000000, + 0x2ea6016300000000, 0x09c324e200000000, 0x216a3aba00000000, + 0x060f1f3b00000000, 0xf27b61a700000000, 0xd51e442600000000, + 0xfdb75a7e00000000, 0xdad27fff00000000, 0xade567ce00000000, + 0x8a80424f00000000, 0xa2295c1700000000, 0x854c799600000000, + 0x4c476c7500000000, 0x6b2249f400000000, 0x438b57ac00000000, + 0x64ee722d00000000, 0x13d96a1c00000000, 0x34bc4f9d00000000, + 0x1c1551c500000000, 0x3b70744400000000, 0x6af5b94d00000000, + 0x4d909ccc00000000, 0x6539829400000000, 0x425ca71500000000, + 0x356bbf2400000000, 0x120e9aa500000000, 0x3aa784fd00000000, + 0x1dc2a17c00000000, 0xd4c9b49f00000000, 0xf3ac911e00000000, + 0xdb058f4600000000, 0xfc60aac700000000, 0x8b57b2f600000000, + 0xac32977700000000, 0x849b892f00000000, 0xa3feacae00000000, + 0x578ad23200000000, 0x70eff7b300000000, 0x5846e9eb00000000, + 0x7f23cc6a00000000, 0x0814d45b00000000, 0x2f71f1da00000000, + 0x07d8ef8200000000, 0x20bdca0300000000, 0xe9b6dfe000000000, + 0xced3fa6100000000, 0xe67ae43900000000, 0xc11fc1b800000000, + 0xb628d98900000000, 0x914dfc0800000000, 0xb9e4e25000000000, + 0x9e81c7d100000000, 0x100b6fb300000000, 0x376e4a3200000000, + 0x1fc7546a00000000, 0x38a271eb00000000, 0x4f9569da00000000, + 0x68f04c5b00000000, 0x4059520300000000, 0x673c778200000000, + 0xae37626100000000, 0x895247e000000000, 0xa1fb59b800000000, + 0x869e7c3900000000, 0xf1a9640800000000, 0xd6cc418900000000, + 0xfe655fd100000000, 0xd9007a5000000000, 0x2d7404cc00000000, + 0x0a11214d00000000, 0x22b83f1500000000, 0x05dd1a9400000000, + 0x72ea02a500000000, 0x558f272400000000, 0x7d26397c00000000, + 0x5a431cfd00000000, 0x9348091e00000000, 0xb42d2c9f00000000, + 0x9c8432c700000000, 0xbbe1174600000000, 0xccd60f7700000000, + 0xebb32af600000000, 0xc31a34ae00000000, 0xe47f112f00000000, + 0xdf0f656b00000000, 0xf86a40ea00000000, 0xd0c35eb200000000, + 0xf7a67b3300000000, 0x8091630200000000, 0xa7f4468300000000, + 0x8f5d58db00000000, 0xa8387d5a00000000, 0x613368b900000000, + 0x46564d3800000000, 0x6eff536000000000, 0x499a76e100000000, + 0x3ead6ed000000000, 0x19c84b5100000000, 0x3161550900000000, + 0x1604708800000000, 0xe2700e1400000000, 0xc5152b9500000000, + 0xedbc35cd00000000, 0xcad9104c00000000, 0xbdee087d00000000, + 0x9a8b2dfc00000000, 0xb22233a400000000, 0x9547162500000000, + 0x5c4c03c600000000, 0x7b29264700000000, 0x5380381f00000000, + 0x74e51d9e00000000, 0x03d205af00000000, 0x24b7202e00000000, + 0x0c1e3e7600000000, 0x2b7b1bf700000000, 0xa5f1b39500000000, + 0x8294961400000000, 0xaa3d884c00000000, 0x8d58adcd00000000, + 0xfa6fb5fc00000000, 0xdd0a907d00000000, 0xf5a38e2500000000, + 0xd2c6aba400000000, 0x1bcdbe4700000000, 0x3ca89bc600000000, + 0x1401859e00000000, 0x3364a01f00000000, 0x4453b82e00000000, + 0x63369daf00000000, 0x4b9f83f700000000, 0x6cfaa67600000000, + 0x988ed8ea00000000, 0xbfebfd6b00000000, 0x9742e33300000000, + 0xb027c6b200000000, 0xc710de8300000000, 0xe075fb0200000000, + 0xc8dce55a00000000, 0xefb9c0db00000000, 0x26b2d53800000000, + 0x01d7f0b900000000, 0x297eeee100000000, 0x0e1bcb6000000000, + 0x792cd35100000000, 0x5e49f6d000000000, 0x76e0e88800000000, + 0x5185cd0900000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x9ba54c6f, 0xec3b9e9f, 0x779ed2f0, 0x03063b7f, + 0x98a37710, 0xef3da5e0, 0x7498e98f, 0x060c76fe, 0x9da93a91, + 0xea37e861, 0x7192a40e, 0x050a4d81, 0x9eaf01ee, 0xe931d31e, + 0x72949f71, 0x0c18edfc, 0x97bda193, 0xe0237363, 0x7b863f0c, + 0x0f1ed683, 0x94bb9aec, 0xe325481c, 0x78800473, 0x0a149b02, + 0x91b1d76d, 0xe62f059d, 0x7d8a49f2, 0x0912a07d, 0x92b7ec12, + 0xe5293ee2, 0x7e8c728d, 0x1831dbf8, 0x83949797, 0xf40a4567, + 0x6faf0908, 0x1b37e087, 0x8092ace8, 0xf70c7e18, 0x6ca93277, + 0x1e3dad06, 0x8598e169, 0xf2063399, 0x69a37ff6, 0x1d3b9679, + 0x869eda16, 0xf10008e6, 0x6aa54489, 0x14293604, 0x8f8c7a6b, + 0xf812a89b, 0x63b7e4f4, 0x172f0d7b, 0x8c8a4114, 0xfb1493e4, + 0x60b1df8b, 0x122540fa, 0x89800c95, 0xfe1ede65, 0x65bb920a, + 0x11237b85, 0x8a8637ea, 0xfd18e51a, 0x66bda975, 0x3063b7f0, + 0xabc6fb9f, 0xdc58296f, 0x47fd6500, 0x33658c8f, 0xa8c0c0e0, + 0xdf5e1210, 0x44fb5e7f, 0x366fc10e, 0xadca8d61, 0xda545f91, + 0x41f113fe, 0x3569fa71, 0xaeccb61e, 0xd95264ee, 0x42f72881, + 0x3c7b5a0c, 0xa7de1663, 0xd040c493, 0x4be588fc, 0x3f7d6173, + 0xa4d82d1c, 0xd346ffec, 0x48e3b383, 0x3a772cf2, 0xa1d2609d, + 0xd64cb26d, 0x4de9fe02, 0x3971178d, 0xa2d45be2, 0xd54a8912, + 0x4eefc57d, 0x28526c08, 0xb3f72067, 0xc469f297, 0x5fccbef8, + 0x2b545777, 0xb0f11b18, 0xc76fc9e8, 0x5cca8587, 0x2e5e1af6, + 0xb5fb5699, 0xc2658469, 0x59c0c806, 0x2d582189, 0xb6fd6de6, + 0xc163bf16, 0x5ac6f379, 0x244a81f4, 0xbfefcd9b, 0xc8711f6b, + 0x53d45304, 0x274cba8b, 0xbce9f6e4, 0xcb772414, 0x50d2687b, + 0x2246f70a, 0xb9e3bb65, 0xce7d6995, 0x55d825fa, 0x2140cc75, + 0xbae5801a, 0xcd7b52ea, 0x56de1e85, 0x60c76fe0, 0xfb62238f, + 0x8cfcf17f, 0x1759bd10, 0x63c1549f, 0xf86418f0, 0x8ffaca00, + 0x145f866f, 0x66cb191e, 0xfd6e5571, 0x8af08781, 0x1155cbee, + 0x65cd2261, 0xfe686e0e, 0x89f6bcfe, 0x1253f091, 0x6cdf821c, + 0xf77ace73, 0x80e41c83, 0x1b4150ec, 0x6fd9b963, 0xf47cf50c, + 0x83e227fc, 0x18476b93, 0x6ad3f4e2, 0xf176b88d, 0x86e86a7d, + 0x1d4d2612, 0x69d5cf9d, 0xf27083f2, 0x85ee5102, 0x1e4b1d6d, + 0x78f6b418, 0xe353f877, 0x94cd2a87, 0x0f6866e8, 0x7bf08f67, + 0xe055c308, 0x97cb11f8, 0x0c6e5d97, 0x7efac2e6, 0xe55f8e89, + 0x92c15c79, 0x09641016, 0x7dfcf999, 0xe659b5f6, 0x91c76706, + 0x0a622b69, 0x74ee59e4, 0xef4b158b, 0x98d5c77b, 0x03708b14, + 0x77e8629b, 0xec4d2ef4, 0x9bd3fc04, 0x0076b06b, 0x72e22f1a, + 0xe9476375, 0x9ed9b185, 0x057cfdea, 0x71e41465, 0xea41580a, + 0x9ddf8afa, 0x067ac695, 0x50a4d810, 0xcb01947f, 0xbc9f468f, + 0x273a0ae0, 0x53a2e36f, 0xc807af00, 0xbf997df0, 0x243c319f, + 0x56a8aeee, 0xcd0de281, 0xba933071, 0x21367c1e, 0x55ae9591, + 0xce0bd9fe, 0xb9950b0e, 0x22304761, 0x5cbc35ec, 0xc7197983, + 0xb087ab73, 0x2b22e71c, 0x5fba0e93, 0xc41f42fc, 0xb381900c, + 0x2824dc63, 0x5ab04312, 0xc1150f7d, 0xb68bdd8d, 0x2d2e91e2, + 0x59b6786d, 0xc2133402, 0xb58de6f2, 0x2e28aa9d, 0x489503e8, + 0xd3304f87, 0xa4ae9d77, 0x3f0bd118, 0x4b933897, 0xd03674f8, + 0xa7a8a608, 0x3c0dea67, 0x4e997516, 0xd53c3979, 0xa2a2eb89, + 0x3907a7e6, 0x4d9f4e69, 0xd63a0206, 0xa1a4d0f6, 0x3a019c99, + 0x448dee14, 0xdf28a27b, 0xa8b6708b, 0x33133ce4, 0x478bd56b, + 0xdc2e9904, 0xabb04bf4, 0x3015079b, 0x428198ea, 0xd924d485, + 0xaeba0675, 0x351f4a1a, 0x4187a395, 0xda22effa, 0xadbc3d0a, + 0x36197165}, + {0x00000000, 0xc18edfc0, 0x586cb9c1, 0x99e26601, 0xb0d97382, + 0x7157ac42, 0xe8b5ca43, 0x293b1583, 0xbac3e145, 0x7b4d3e85, + 0xe2af5884, 0x23218744, 0x0a1a92c7, 0xcb944d07, 0x52762b06, + 0x93f8f4c6, 0xaef6c4cb, 0x6f781b0b, 0xf69a7d0a, 0x3714a2ca, + 0x1e2fb749, 0xdfa16889, 0x46430e88, 0x87cdd148, 0x1435258e, + 0xd5bbfa4e, 0x4c599c4f, 0x8dd7438f, 0xa4ec560c, 0x656289cc, + 0xfc80efcd, 0x3d0e300d, 0x869c8fd7, 0x47125017, 0xdef03616, + 0x1f7ee9d6, 0x3645fc55, 0xf7cb2395, 0x6e294594, 0xafa79a54, + 0x3c5f6e92, 0xfdd1b152, 0x6433d753, 0xa5bd0893, 0x8c861d10, + 0x4d08c2d0, 0xd4eaa4d1, 0x15647b11, 0x286a4b1c, 0xe9e494dc, + 0x7006f2dd, 0xb1882d1d, 0x98b3389e, 0x593de75e, 0xc0df815f, + 0x01515e9f, 0x92a9aa59, 0x53277599, 0xcac51398, 0x0b4bcc58, + 0x2270d9db, 0xe3fe061b, 0x7a1c601a, 0xbb92bfda, 0xd64819ef, + 0x17c6c62f, 0x8e24a02e, 0x4faa7fee, 0x66916a6d, 0xa71fb5ad, + 0x3efdd3ac, 0xff730c6c, 0x6c8bf8aa, 0xad05276a, 0x34e7416b, + 0xf5699eab, 0xdc528b28, 0x1ddc54e8, 0x843e32e9, 0x45b0ed29, + 0x78bedd24, 0xb93002e4, 0x20d264e5, 0xe15cbb25, 0xc867aea6, + 0x09e97166, 0x900b1767, 0x5185c8a7, 0xc27d3c61, 0x03f3e3a1, + 0x9a1185a0, 0x5b9f5a60, 0x72a44fe3, 0xb32a9023, 0x2ac8f622, + 0xeb4629e2, 0x50d49638, 0x915a49f8, 0x08b82ff9, 0xc936f039, + 0xe00de5ba, 0x21833a7a, 0xb8615c7b, 0x79ef83bb, 0xea17777d, + 0x2b99a8bd, 0xb27bcebc, 0x73f5117c, 0x5ace04ff, 0x9b40db3f, + 0x02a2bd3e, 0xc32c62fe, 0xfe2252f3, 0x3fac8d33, 0xa64eeb32, + 0x67c034f2, 0x4efb2171, 0x8f75feb1, 0x169798b0, 0xd7194770, + 0x44e1b3b6, 0x856f6c76, 0x1c8d0a77, 0xdd03d5b7, 0xf438c034, + 0x35b61ff4, 0xac5479f5, 0x6ddaa635, 0x77e1359f, 0xb66fea5f, + 0x2f8d8c5e, 0xee03539e, 0xc738461d, 0x06b699dd, 0x9f54ffdc, + 0x5eda201c, 0xcd22d4da, 0x0cac0b1a, 0x954e6d1b, 0x54c0b2db, + 0x7dfba758, 0xbc757898, 0x25971e99, 0xe419c159, 0xd917f154, + 0x18992e94, 0x817b4895, 0x40f59755, 0x69ce82d6, 0xa8405d16, + 0x31a23b17, 0xf02ce4d7, 0x63d41011, 0xa25acfd1, 0x3bb8a9d0, + 0xfa367610, 0xd30d6393, 0x1283bc53, 0x8b61da52, 0x4aef0592, + 0xf17dba48, 0x30f36588, 0xa9110389, 0x689fdc49, 0x41a4c9ca, + 0x802a160a, 0x19c8700b, 0xd846afcb, 0x4bbe5b0d, 0x8a3084cd, + 0x13d2e2cc, 0xd25c3d0c, 0xfb67288f, 0x3ae9f74f, 0xa30b914e, + 0x62854e8e, 0x5f8b7e83, 0x9e05a143, 0x07e7c742, 0xc6691882, + 0xef520d01, 0x2edcd2c1, 0xb73eb4c0, 0x76b06b00, 0xe5489fc6, + 0x24c64006, 0xbd242607, 0x7caaf9c7, 0x5591ec44, 0x941f3384, + 0x0dfd5585, 0xcc738a45, 0xa1a92c70, 0x6027f3b0, 0xf9c595b1, + 0x384b4a71, 0x11705ff2, 0xd0fe8032, 0x491ce633, 0x889239f3, + 0x1b6acd35, 0xdae412f5, 0x430674f4, 0x8288ab34, 0xabb3beb7, + 0x6a3d6177, 0xf3df0776, 0x3251d8b6, 0x0f5fe8bb, 0xced1377b, + 0x5733517a, 0x96bd8eba, 0xbf869b39, 0x7e0844f9, 0xe7ea22f8, + 0x2664fd38, 0xb59c09fe, 0x7412d63e, 0xedf0b03f, 0x2c7e6fff, + 0x05457a7c, 0xc4cba5bc, 0x5d29c3bd, 0x9ca71c7d, 0x2735a3a7, + 0xe6bb7c67, 0x7f591a66, 0xbed7c5a6, 0x97ecd025, 0x56620fe5, + 0xcf8069e4, 0x0e0eb624, 0x9df642e2, 0x5c789d22, 0xc59afb23, + 0x041424e3, 0x2d2f3160, 0xeca1eea0, 0x754388a1, 0xb4cd5761, + 0x89c3676c, 0x484db8ac, 0xd1afdead, 0x1021016d, 0x391a14ee, + 0xf894cb2e, 0x6176ad2f, 0xa0f872ef, 0x33008629, 0xf28e59e9, + 0x6b6c3fe8, 0xaae2e028, 0x83d9f5ab, 0x42572a6b, 0xdbb54c6a, + 0x1a3b93aa}, + {0x00000000, 0xefc26b3e, 0x04f5d03d, 0xeb37bb03, 0x09eba07a, + 0xe629cb44, 0x0d1e7047, 0xe2dc1b79, 0x13d740f4, 0xfc152bca, + 0x172290c9, 0xf8e0fbf7, 0x1a3ce08e, 0xf5fe8bb0, 0x1ec930b3, + 0xf10b5b8d, 0x27ae81e8, 0xc86cead6, 0x235b51d5, 0xcc993aeb, + 0x2e452192, 0xc1874aac, 0x2ab0f1af, 0xc5729a91, 0x3479c11c, + 0xdbbbaa22, 0x308c1121, 0xdf4e7a1f, 0x3d926166, 0xd2500a58, + 0x3967b15b, 0xd6a5da65, 0x4f5d03d0, 0xa09f68ee, 0x4ba8d3ed, + 0xa46ab8d3, 0x46b6a3aa, 0xa974c894, 0x42437397, 0xad8118a9, + 0x5c8a4324, 0xb348281a, 0x587f9319, 0xb7bdf827, 0x5561e35e, + 0xbaa38860, 0x51943363, 0xbe56585d, 0x68f38238, 0x8731e906, + 0x6c065205, 0x83c4393b, 0x61182242, 0x8eda497c, 0x65edf27f, + 0x8a2f9941, 0x7b24c2cc, 0x94e6a9f2, 0x7fd112f1, 0x901379cf, + 0x72cf62b6, 0x9d0d0988, 0x763ab28b, 0x99f8d9b5, 0x9eba07a0, + 0x71786c9e, 0x9a4fd79d, 0x758dbca3, 0x9751a7da, 0x7893cce4, + 0x93a477e7, 0x7c661cd9, 0x8d6d4754, 0x62af2c6a, 0x89989769, + 0x665afc57, 0x8486e72e, 0x6b448c10, 0x80733713, 0x6fb15c2d, + 0xb9148648, 0x56d6ed76, 0xbde15675, 0x52233d4b, 0xb0ff2632, + 0x5f3d4d0c, 0xb40af60f, 0x5bc89d31, 0xaac3c6bc, 0x4501ad82, + 0xae361681, 0x41f47dbf, 0xa32866c6, 0x4cea0df8, 0xa7ddb6fb, + 0x481fddc5, 0xd1e70470, 0x3e256f4e, 0xd512d44d, 0x3ad0bf73, + 0xd80ca40a, 0x37cecf34, 0xdcf97437, 0x333b1f09, 0xc2304484, + 0x2df22fba, 0xc6c594b9, 0x2907ff87, 0xcbdbe4fe, 0x24198fc0, + 0xcf2e34c3, 0x20ec5ffd, 0xf6498598, 0x198beea6, 0xf2bc55a5, + 0x1d7e3e9b, 0xffa225e2, 0x10604edc, 0xfb57f5df, 0x14959ee1, + 0xe59ec56c, 0x0a5cae52, 0xe16b1551, 0x0ea97e6f, 0xec756516, + 0x03b70e28, 0xe880b52b, 0x0742de15, 0xe6050901, 0x09c7623f, + 0xe2f0d93c, 0x0d32b202, 0xefeea97b, 0x002cc245, 0xeb1b7946, + 0x04d91278, 0xf5d249f5, 0x1a1022cb, 0xf12799c8, 0x1ee5f2f6, + 0xfc39e98f, 0x13fb82b1, 0xf8cc39b2, 0x170e528c, 0xc1ab88e9, + 0x2e69e3d7, 0xc55e58d4, 0x2a9c33ea, 0xc8402893, 0x278243ad, + 0xccb5f8ae, 0x23779390, 0xd27cc81d, 0x3dbea323, 0xd6891820, + 0x394b731e, 0xdb976867, 0x34550359, 0xdf62b85a, 0x30a0d364, + 0xa9580ad1, 0x469a61ef, 0xadaddaec, 0x426fb1d2, 0xa0b3aaab, + 0x4f71c195, 0xa4467a96, 0x4b8411a8, 0xba8f4a25, 0x554d211b, + 0xbe7a9a18, 0x51b8f126, 0xb364ea5f, 0x5ca68161, 0xb7913a62, + 0x5853515c, 0x8ef68b39, 0x6134e007, 0x8a035b04, 0x65c1303a, + 0x871d2b43, 0x68df407d, 0x83e8fb7e, 0x6c2a9040, 0x9d21cbcd, + 0x72e3a0f3, 0x99d41bf0, 0x761670ce, 0x94ca6bb7, 0x7b080089, + 0x903fbb8a, 0x7ffdd0b4, 0x78bf0ea1, 0x977d659f, 0x7c4ade9c, + 0x9388b5a2, 0x7154aedb, 0x9e96c5e5, 0x75a17ee6, 0x9a6315d8, + 0x6b684e55, 0x84aa256b, 0x6f9d9e68, 0x805ff556, 0x6283ee2f, + 0x8d418511, 0x66763e12, 0x89b4552c, 0x5f118f49, 0xb0d3e477, + 0x5be45f74, 0xb426344a, 0x56fa2f33, 0xb938440d, 0x520fff0e, + 0xbdcd9430, 0x4cc6cfbd, 0xa304a483, 0x48331f80, 0xa7f174be, + 0x452d6fc7, 0xaaef04f9, 0x41d8bffa, 0xae1ad4c4, 0x37e20d71, + 0xd820664f, 0x3317dd4c, 0xdcd5b672, 0x3e09ad0b, 0xd1cbc635, + 0x3afc7d36, 0xd53e1608, 0x24354d85, 0xcbf726bb, 0x20c09db8, + 0xcf02f686, 0x2ddeedff, 0xc21c86c1, 0x292b3dc2, 0xc6e956fc, + 0x104c8c99, 0xff8ee7a7, 0x14b95ca4, 0xfb7b379a, 0x19a72ce3, + 0xf66547dd, 0x1d52fcde, 0xf29097e0, 0x039bcc6d, 0xec59a753, + 0x076e1c50, 0xe8ac776e, 0x0a706c17, 0xe5b20729, 0x0e85bc2a, + 0xe147d714}, + {0x00000000, 0x177b1443, 0x2ef62886, 0x398d3cc5, 0x5dec510c, + 0x4a97454f, 0x731a798a, 0x64616dc9, 0xbbd8a218, 0xaca3b65b, + 0x952e8a9e, 0x82559edd, 0xe634f314, 0xf14fe757, 0xc8c2db92, + 0xdfb9cfd1, 0xacc04271, 0xbbbb5632, 0x82366af7, 0x954d7eb4, + 0xf12c137d, 0xe657073e, 0xdfda3bfb, 0xc8a12fb8, 0x1718e069, + 0x0063f42a, 0x39eec8ef, 0x2e95dcac, 0x4af4b165, 0x5d8fa526, + 0x640299e3, 0x73798da0, 0x82f182a3, 0x958a96e0, 0xac07aa25, + 0xbb7cbe66, 0xdf1dd3af, 0xc866c7ec, 0xf1ebfb29, 0xe690ef6a, + 0x392920bb, 0x2e5234f8, 0x17df083d, 0x00a41c7e, 0x64c571b7, + 0x73be65f4, 0x4a335931, 0x5d484d72, 0x2e31c0d2, 0x394ad491, + 0x00c7e854, 0x17bcfc17, 0x73dd91de, 0x64a6859d, 0x5d2bb958, + 0x4a50ad1b, 0x95e962ca, 0x82927689, 0xbb1f4a4c, 0xac645e0f, + 0xc80533c6, 0xdf7e2785, 0xe6f31b40, 0xf1880f03, 0xde920307, + 0xc9e91744, 0xf0642b81, 0xe71f3fc2, 0x837e520b, 0x94054648, + 0xad887a8d, 0xbaf36ece, 0x654aa11f, 0x7231b55c, 0x4bbc8999, + 0x5cc79dda, 0x38a6f013, 0x2fdde450, 0x1650d895, 0x012bccd6, + 0x72524176, 0x65295535, 0x5ca469f0, 0x4bdf7db3, 0x2fbe107a, + 0x38c50439, 0x014838fc, 0x16332cbf, 0xc98ae36e, 0xdef1f72d, + 0xe77ccbe8, 0xf007dfab, 0x9466b262, 0x831da621, 0xba909ae4, + 0xadeb8ea7, 0x5c6381a4, 0x4b1895e7, 0x7295a922, 0x65eebd61, + 0x018fd0a8, 0x16f4c4eb, 0x2f79f82e, 0x3802ec6d, 0xe7bb23bc, + 0xf0c037ff, 0xc94d0b3a, 0xde361f79, 0xba5772b0, 0xad2c66f3, + 0x94a15a36, 0x83da4e75, 0xf0a3c3d5, 0xe7d8d796, 0xde55eb53, + 0xc92eff10, 0xad4f92d9, 0xba34869a, 0x83b9ba5f, 0x94c2ae1c, + 0x4b7b61cd, 0x5c00758e, 0x658d494b, 0x72f65d08, 0x169730c1, + 0x01ec2482, 0x38611847, 0x2f1a0c04, 0x6655004f, 0x712e140c, + 0x48a328c9, 0x5fd83c8a, 0x3bb95143, 0x2cc24500, 0x154f79c5, + 0x02346d86, 0xdd8da257, 0xcaf6b614, 0xf37b8ad1, 0xe4009e92, + 0x8061f35b, 0x971ae718, 0xae97dbdd, 0xb9eccf9e, 0xca95423e, + 0xddee567d, 0xe4636ab8, 0xf3187efb, 0x97791332, 0x80020771, + 0xb98f3bb4, 0xaef42ff7, 0x714de026, 0x6636f465, 0x5fbbc8a0, + 0x48c0dce3, 0x2ca1b12a, 0x3bdaa569, 0x025799ac, 0x152c8def, + 0xe4a482ec, 0xf3df96af, 0xca52aa6a, 0xdd29be29, 0xb948d3e0, + 0xae33c7a3, 0x97befb66, 0x80c5ef25, 0x5f7c20f4, 0x480734b7, + 0x718a0872, 0x66f11c31, 0x029071f8, 0x15eb65bb, 0x2c66597e, + 0x3b1d4d3d, 0x4864c09d, 0x5f1fd4de, 0x6692e81b, 0x71e9fc58, + 0x15889191, 0x02f385d2, 0x3b7eb917, 0x2c05ad54, 0xf3bc6285, + 0xe4c776c6, 0xdd4a4a03, 0xca315e40, 0xae503389, 0xb92b27ca, + 0x80a61b0f, 0x97dd0f4c, 0xb8c70348, 0xafbc170b, 0x96312bce, + 0x814a3f8d, 0xe52b5244, 0xf2504607, 0xcbdd7ac2, 0xdca66e81, + 0x031fa150, 0x1464b513, 0x2de989d6, 0x3a929d95, 0x5ef3f05c, + 0x4988e41f, 0x7005d8da, 0x677ecc99, 0x14074139, 0x037c557a, + 0x3af169bf, 0x2d8a7dfc, 0x49eb1035, 0x5e900476, 0x671d38b3, + 0x70662cf0, 0xafdfe321, 0xb8a4f762, 0x8129cba7, 0x9652dfe4, + 0xf233b22d, 0xe548a66e, 0xdcc59aab, 0xcbbe8ee8, 0x3a3681eb, + 0x2d4d95a8, 0x14c0a96d, 0x03bbbd2e, 0x67dad0e7, 0x70a1c4a4, + 0x492cf861, 0x5e57ec22, 0x81ee23f3, 0x969537b0, 0xaf180b75, + 0xb8631f36, 0xdc0272ff, 0xcb7966bc, 0xf2f45a79, 0xe58f4e3a, + 0x96f6c39a, 0x818dd7d9, 0xb800eb1c, 0xaf7bff5f, 0xcb1a9296, + 0xdc6186d5, 0xe5ecba10, 0xf297ae53, 0x2d2e6182, 0x3a5575c1, + 0x03d84904, 0x14a35d47, 0x70c2308e, 0x67b924cd, 0x5e341808, + 0x494f0c4b}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x43147b17, 0x8628f62e, 0xc53c8d39, 0x0c51ec5d, + 0x4f45974a, 0x8a791a73, 0xc96d6164, 0x18a2d8bb, 0x5bb6a3ac, + 0x9e8a2e95, 0xdd9e5582, 0x14f334e6, 0x57e74ff1, 0x92dbc2c8, + 0xd1cfb9df, 0x7142c0ac, 0x3256bbbb, 0xf76a3682, 0xb47e4d95, + 0x7d132cf1, 0x3e0757e6, 0xfb3bdadf, 0xb82fa1c8, 0x69e01817, + 0x2af46300, 0xefc8ee39, 0xacdc952e, 0x65b1f44a, 0x26a58f5d, + 0xe3990264, 0xa08d7973, 0xa382f182, 0xe0968a95, 0x25aa07ac, + 0x66be7cbb, 0xafd31ddf, 0xecc766c8, 0x29fbebf1, 0x6aef90e6, + 0xbb202939, 0xf834522e, 0x3d08df17, 0x7e1ca400, 0xb771c564, + 0xf465be73, 0x3159334a, 0x724d485d, 0xd2c0312e, 0x91d44a39, + 0x54e8c700, 0x17fcbc17, 0xde91dd73, 0x9d85a664, 0x58b92b5d, + 0x1bad504a, 0xca62e995, 0x89769282, 0x4c4a1fbb, 0x0f5e64ac, + 0xc63305c8, 0x85277edf, 0x401bf3e6, 0x030f88f1, 0x070392de, + 0x4417e9c9, 0x812b64f0, 0xc23f1fe7, 0x0b527e83, 0x48460594, + 0x8d7a88ad, 0xce6ef3ba, 0x1fa14a65, 0x5cb53172, 0x9989bc4b, + 0xda9dc75c, 0x13f0a638, 0x50e4dd2f, 0x95d85016, 0xd6cc2b01, + 0x76415272, 0x35552965, 0xf069a45c, 0xb37ddf4b, 0x7a10be2f, + 0x3904c538, 0xfc384801, 0xbf2c3316, 0x6ee38ac9, 0x2df7f1de, + 0xe8cb7ce7, 0xabdf07f0, 0x62b26694, 0x21a61d83, 0xe49a90ba, + 0xa78eebad, 0xa481635c, 0xe795184b, 0x22a99572, 0x61bdee65, + 0xa8d08f01, 0xebc4f416, 0x2ef8792f, 0x6dec0238, 0xbc23bbe7, + 0xff37c0f0, 0x3a0b4dc9, 0x791f36de, 0xb07257ba, 0xf3662cad, + 0x365aa194, 0x754eda83, 0xd5c3a3f0, 0x96d7d8e7, 0x53eb55de, + 0x10ff2ec9, 0xd9924fad, 0x9a8634ba, 0x5fbab983, 0x1caec294, + 0xcd617b4b, 0x8e75005c, 0x4b498d65, 0x085df672, 0xc1309716, + 0x8224ec01, 0x47186138, 0x040c1a2f, 0x4f005566, 0x0c142e71, + 0xc928a348, 0x8a3cd85f, 0x4351b93b, 0x0045c22c, 0xc5794f15, + 0x866d3402, 0x57a28ddd, 0x14b6f6ca, 0xd18a7bf3, 0x929e00e4, + 0x5bf36180, 0x18e71a97, 0xdddb97ae, 0x9ecfecb9, 0x3e4295ca, + 0x7d56eedd, 0xb86a63e4, 0xfb7e18f3, 0x32137997, 0x71070280, + 0xb43b8fb9, 0xf72ff4ae, 0x26e04d71, 0x65f43666, 0xa0c8bb5f, + 0xe3dcc048, 0x2ab1a12c, 0x69a5da3b, 0xac995702, 0xef8d2c15, + 0xec82a4e4, 0xaf96dff3, 0x6aaa52ca, 0x29be29dd, 0xe0d348b9, + 0xa3c733ae, 0x66fbbe97, 0x25efc580, 0xf4207c5f, 0xb7340748, + 0x72088a71, 0x311cf166, 0xf8719002, 0xbb65eb15, 0x7e59662c, + 0x3d4d1d3b, 0x9dc06448, 0xded41f5f, 0x1be89266, 0x58fce971, + 0x91918815, 0xd285f302, 0x17b97e3b, 0x54ad052c, 0x8562bcf3, + 0xc676c7e4, 0x034a4add, 0x405e31ca, 0x893350ae, 0xca272bb9, + 0x0f1ba680, 0x4c0fdd97, 0x4803c7b8, 0x0b17bcaf, 0xce2b3196, + 0x8d3f4a81, 0x44522be5, 0x074650f2, 0xc27addcb, 0x816ea6dc, + 0x50a11f03, 0x13b56414, 0xd689e92d, 0x959d923a, 0x5cf0f35e, + 0x1fe48849, 0xdad80570, 0x99cc7e67, 0x39410714, 0x7a557c03, + 0xbf69f13a, 0xfc7d8a2d, 0x3510eb49, 0x7604905e, 0xb3381d67, + 0xf02c6670, 0x21e3dfaf, 0x62f7a4b8, 0xa7cb2981, 0xe4df5296, + 0x2db233f2, 0x6ea648e5, 0xab9ac5dc, 0xe88ebecb, 0xeb81363a, + 0xa8954d2d, 0x6da9c014, 0x2ebdbb03, 0xe7d0da67, 0xa4c4a170, + 0x61f82c49, 0x22ec575e, 0xf323ee81, 0xb0379596, 0x750b18af, + 0x361f63b8, 0xff7202dc, 0xbc6679cb, 0x795af4f2, 0x3a4e8fe5, + 0x9ac3f696, 0xd9d78d81, 0x1ceb00b8, 0x5fff7baf, 0x96921acb, + 0xd58661dc, 0x10baece5, 0x53ae97f2, 0x82612e2d, 0xc175553a, + 0x0449d803, 0x475da314, 0x8e30c270, 0xcd24b967, 0x0818345e, + 0x4b0c4f49}, + {0x00000000, 0x3e6bc2ef, 0x3dd0f504, 0x03bb37eb, 0x7aa0eb09, + 0x44cb29e6, 0x47701e0d, 0x791bdce2, 0xf440d713, 0xca2b15fc, + 0xc9902217, 0xf7fbe0f8, 0x8ee03c1a, 0xb08bfef5, 0xb330c91e, + 0x8d5b0bf1, 0xe881ae27, 0xd6ea6cc8, 0xd5515b23, 0xeb3a99cc, + 0x9221452e, 0xac4a87c1, 0xaff1b02a, 0x919a72c5, 0x1cc17934, + 0x22aabbdb, 0x21118c30, 0x1f7a4edf, 0x6661923d, 0x580a50d2, + 0x5bb16739, 0x65daa5d6, 0xd0035d4f, 0xee689fa0, 0xedd3a84b, + 0xd3b86aa4, 0xaaa3b646, 0x94c874a9, 0x97734342, 0xa91881ad, + 0x24438a5c, 0x1a2848b3, 0x19937f58, 0x27f8bdb7, 0x5ee36155, + 0x6088a3ba, 0x63339451, 0x5d5856be, 0x3882f368, 0x06e93187, + 0x0552066c, 0x3b39c483, 0x42221861, 0x7c49da8e, 0x7ff2ed65, + 0x41992f8a, 0xccc2247b, 0xf2a9e694, 0xf112d17f, 0xcf791390, + 0xb662cf72, 0x88090d9d, 0x8bb23a76, 0xb5d9f899, 0xa007ba9e, + 0x9e6c7871, 0x9dd74f9a, 0xa3bc8d75, 0xdaa75197, 0xe4cc9378, + 0xe777a493, 0xd91c667c, 0x54476d8d, 0x6a2caf62, 0x69979889, + 0x57fc5a66, 0x2ee78684, 0x108c446b, 0x13377380, 0x2d5cb16f, + 0x488614b9, 0x76edd656, 0x7556e1bd, 0x4b3d2352, 0x3226ffb0, + 0x0c4d3d5f, 0x0ff60ab4, 0x319dc85b, 0xbcc6c3aa, 0x82ad0145, + 0x811636ae, 0xbf7df441, 0xc66628a3, 0xf80dea4c, 0xfbb6dda7, + 0xc5dd1f48, 0x7004e7d1, 0x4e6f253e, 0x4dd412d5, 0x73bfd03a, + 0x0aa40cd8, 0x34cfce37, 0x3774f9dc, 0x091f3b33, 0x844430c2, + 0xba2ff22d, 0xb994c5c6, 0x87ff0729, 0xfee4dbcb, 0xc08f1924, + 0xc3342ecf, 0xfd5fec20, 0x988549f6, 0xa6ee8b19, 0xa555bcf2, + 0x9b3e7e1d, 0xe225a2ff, 0xdc4e6010, 0xdff557fb, 0xe19e9514, + 0x6cc59ee5, 0x52ae5c0a, 0x51156be1, 0x6f7ea90e, 0x166575ec, + 0x280eb703, 0x2bb580e8, 0x15de4207, 0x010905e6, 0x3f62c709, + 0x3cd9f0e2, 0x02b2320d, 0x7ba9eeef, 0x45c22c00, 0x46791beb, + 0x7812d904, 0xf549d2f5, 0xcb22101a, 0xc89927f1, 0xf6f2e51e, + 0x8fe939fc, 0xb182fb13, 0xb239ccf8, 0x8c520e17, 0xe988abc1, + 0xd7e3692e, 0xd4585ec5, 0xea339c2a, 0x932840c8, 0xad438227, + 0xaef8b5cc, 0x90937723, 0x1dc87cd2, 0x23a3be3d, 0x201889d6, + 0x1e734b39, 0x676897db, 0x59035534, 0x5ab862df, 0x64d3a030, + 0xd10a58a9, 0xef619a46, 0xecdaadad, 0xd2b16f42, 0xabaab3a0, + 0x95c1714f, 0x967a46a4, 0xa811844b, 0x254a8fba, 0x1b214d55, + 0x189a7abe, 0x26f1b851, 0x5fea64b3, 0x6181a65c, 0x623a91b7, + 0x5c515358, 0x398bf68e, 0x07e03461, 0x045b038a, 0x3a30c165, + 0x432b1d87, 0x7d40df68, 0x7efbe883, 0x40902a6c, 0xcdcb219d, + 0xf3a0e372, 0xf01bd499, 0xce701676, 0xb76bca94, 0x8900087b, + 0x8abb3f90, 0xb4d0fd7f, 0xa10ebf78, 0x9f657d97, 0x9cde4a7c, + 0xa2b58893, 0xdbae5471, 0xe5c5969e, 0xe67ea175, 0xd815639a, + 0x554e686b, 0x6b25aa84, 0x689e9d6f, 0x56f55f80, 0x2fee8362, + 0x1185418d, 0x123e7666, 0x2c55b489, 0x498f115f, 0x77e4d3b0, + 0x745fe45b, 0x4a3426b4, 0x332ffa56, 0x0d4438b9, 0x0eff0f52, + 0x3094cdbd, 0xbdcfc64c, 0x83a404a3, 0x801f3348, 0xbe74f1a7, + 0xc76f2d45, 0xf904efaa, 0xfabfd841, 0xc4d41aae, 0x710de237, + 0x4f6620d8, 0x4cdd1733, 0x72b6d5dc, 0x0bad093e, 0x35c6cbd1, + 0x367dfc3a, 0x08163ed5, 0x854d3524, 0xbb26f7cb, 0xb89dc020, + 0x86f602cf, 0xffedde2d, 0xc1861cc2, 0xc23d2b29, 0xfc56e9c6, + 0x998c4c10, 0xa7e78eff, 0xa45cb914, 0x9a377bfb, 0xe32ca719, + 0xdd4765f6, 0xdefc521d, 0xe09790f2, 0x6dcc9b03, 0x53a759ec, + 0x501c6e07, 0x6e77ace8, 0x176c700a, 0x2907b2e5, 0x2abc850e, + 0x14d747e1}, + {0x00000000, 0xc0df8ec1, 0xc1b96c58, 0x0166e299, 0x8273d9b0, + 0x42ac5771, 0x43cab5e8, 0x83153b29, 0x45e1c3ba, 0x853e4d7b, + 0x8458afe2, 0x44872123, 0xc7921a0a, 0x074d94cb, 0x062b7652, + 0xc6f4f893, 0xcbc4f6ae, 0x0b1b786f, 0x0a7d9af6, 0xcaa21437, + 0x49b72f1e, 0x8968a1df, 0x880e4346, 0x48d1cd87, 0x8e253514, + 0x4efabbd5, 0x4f9c594c, 0x8f43d78d, 0x0c56eca4, 0xcc896265, + 0xcdef80fc, 0x0d300e3d, 0xd78f9c86, 0x17501247, 0x1636f0de, + 0xd6e97e1f, 0x55fc4536, 0x9523cbf7, 0x9445296e, 0x549aa7af, + 0x926e5f3c, 0x52b1d1fd, 0x53d73364, 0x9308bda5, 0x101d868c, + 0xd0c2084d, 0xd1a4ead4, 0x117b6415, 0x1c4b6a28, 0xdc94e4e9, + 0xddf20670, 0x1d2d88b1, 0x9e38b398, 0x5ee73d59, 0x5f81dfc0, + 0x9f5e5101, 0x59aaa992, 0x99752753, 0x9813c5ca, 0x58cc4b0b, + 0xdbd97022, 0x1b06fee3, 0x1a601c7a, 0xdabf92bb, 0xef1948d6, + 0x2fc6c617, 0x2ea0248e, 0xee7faa4f, 0x6d6a9166, 0xadb51fa7, + 0xacd3fd3e, 0x6c0c73ff, 0xaaf88b6c, 0x6a2705ad, 0x6b41e734, + 0xab9e69f5, 0x288b52dc, 0xe854dc1d, 0xe9323e84, 0x29edb045, + 0x24ddbe78, 0xe40230b9, 0xe564d220, 0x25bb5ce1, 0xa6ae67c8, + 0x6671e909, 0x67170b90, 0xa7c88551, 0x613c7dc2, 0xa1e3f303, + 0xa085119a, 0x605a9f5b, 0xe34fa472, 0x23902ab3, 0x22f6c82a, + 0xe22946eb, 0x3896d450, 0xf8495a91, 0xf92fb808, 0x39f036c9, + 0xbae50de0, 0x7a3a8321, 0x7b5c61b8, 0xbb83ef79, 0x7d7717ea, + 0xbda8992b, 0xbcce7bb2, 0x7c11f573, 0xff04ce5a, 0x3fdb409b, + 0x3ebda202, 0xfe622cc3, 0xf35222fe, 0x338dac3f, 0x32eb4ea6, + 0xf234c067, 0x7121fb4e, 0xb1fe758f, 0xb0989716, 0x704719d7, + 0xb6b3e144, 0x766c6f85, 0x770a8d1c, 0xb7d503dd, 0x34c038f4, + 0xf41fb635, 0xf57954ac, 0x35a6da6d, 0x9f35e177, 0x5fea6fb6, + 0x5e8c8d2f, 0x9e5303ee, 0x1d4638c7, 0xdd99b606, 0xdcff549f, + 0x1c20da5e, 0xdad422cd, 0x1a0bac0c, 0x1b6d4e95, 0xdbb2c054, + 0x58a7fb7d, 0x987875bc, 0x991e9725, 0x59c119e4, 0x54f117d9, + 0x942e9918, 0x95487b81, 0x5597f540, 0xd682ce69, 0x165d40a8, + 0x173ba231, 0xd7e42cf0, 0x1110d463, 0xd1cf5aa2, 0xd0a9b83b, + 0x107636fa, 0x93630dd3, 0x53bc8312, 0x52da618b, 0x9205ef4a, + 0x48ba7df1, 0x8865f330, 0x890311a9, 0x49dc9f68, 0xcac9a441, + 0x0a162a80, 0x0b70c819, 0xcbaf46d8, 0x0d5bbe4b, 0xcd84308a, + 0xcce2d213, 0x0c3d5cd2, 0x8f2867fb, 0x4ff7e93a, 0x4e910ba3, + 0x8e4e8562, 0x837e8b5f, 0x43a1059e, 0x42c7e707, 0x821869c6, + 0x010d52ef, 0xc1d2dc2e, 0xc0b43eb7, 0x006bb076, 0xc69f48e5, + 0x0640c624, 0x072624bd, 0xc7f9aa7c, 0x44ec9155, 0x84331f94, + 0x8555fd0d, 0x458a73cc, 0x702ca9a1, 0xb0f32760, 0xb195c5f9, + 0x714a4b38, 0xf25f7011, 0x3280fed0, 0x33e61c49, 0xf3399288, + 0x35cd6a1b, 0xf512e4da, 0xf4740643, 0x34ab8882, 0xb7beb3ab, + 0x77613d6a, 0x7607dff3, 0xb6d85132, 0xbbe85f0f, 0x7b37d1ce, + 0x7a513357, 0xba8ebd96, 0x399b86bf, 0xf944087e, 0xf822eae7, + 0x38fd6426, 0xfe099cb5, 0x3ed61274, 0x3fb0f0ed, 0xff6f7e2c, + 0x7c7a4505, 0xbca5cbc4, 0xbdc3295d, 0x7d1ca79c, 0xa7a33527, + 0x677cbbe6, 0x661a597f, 0xa6c5d7be, 0x25d0ec97, 0xe50f6256, + 0xe46980cf, 0x24b60e0e, 0xe242f69d, 0x229d785c, 0x23fb9ac5, + 0xe3241404, 0x60312f2d, 0xa0eea1ec, 0xa1884375, 0x6157cdb4, + 0x6c67c389, 0xacb84d48, 0xaddeafd1, 0x6d012110, 0xee141a39, + 0x2ecb94f8, 0x2fad7661, 0xef72f8a0, 0x29860033, 0xe9598ef2, + 0xe83f6c6b, 0x28e0e2aa, 0xabf5d983, 0x6b2a5742, 0x6a4cb5db, + 0xaa933b1a}, + {0x00000000, 0x6f4ca59b, 0x9f9e3bec, 0xf0d29e77, 0x7f3b0603, + 0x1077a398, 0xe0a53def, 0x8fe99874, 0xfe760c06, 0x913aa99d, + 0x61e837ea, 0x0ea49271, 0x814d0a05, 0xee01af9e, 0x1ed331e9, + 0x719f9472, 0xfced180c, 0x93a1bd97, 0x637323e0, 0x0c3f867b, + 0x83d61e0f, 0xec9abb94, 0x1c4825e3, 0x73048078, 0x029b140a, + 0x6dd7b191, 0x9d052fe6, 0xf2498a7d, 0x7da01209, 0x12ecb792, + 0xe23e29e5, 0x8d728c7e, 0xf8db3118, 0x97979483, 0x67450af4, + 0x0809af6f, 0x87e0371b, 0xe8ac9280, 0x187e0cf7, 0x7732a96c, + 0x06ad3d1e, 0x69e19885, 0x993306f2, 0xf67fa369, 0x79963b1d, + 0x16da9e86, 0xe60800f1, 0x8944a56a, 0x04362914, 0x6b7a8c8f, + 0x9ba812f8, 0xf4e4b763, 0x7b0d2f17, 0x14418a8c, 0xe49314fb, + 0x8bdfb160, 0xfa402512, 0x950c8089, 0x65de1efe, 0x0a92bb65, + 0x857b2311, 0xea37868a, 0x1ae518fd, 0x75a9bd66, 0xf0b76330, + 0x9ffbc6ab, 0x6f2958dc, 0x0065fd47, 0x8f8c6533, 0xe0c0c0a8, + 0x10125edf, 0x7f5efb44, 0x0ec16f36, 0x618dcaad, 0x915f54da, + 0xfe13f141, 0x71fa6935, 0x1eb6ccae, 0xee6452d9, 0x8128f742, + 0x0c5a7b3c, 0x6316dea7, 0x93c440d0, 0xfc88e54b, 0x73617d3f, + 0x1c2dd8a4, 0xecff46d3, 0x83b3e348, 0xf22c773a, 0x9d60d2a1, + 0x6db24cd6, 0x02fee94d, 0x8d177139, 0xe25bd4a2, 0x12894ad5, + 0x7dc5ef4e, 0x086c5228, 0x6720f7b3, 0x97f269c4, 0xf8becc5f, + 0x7757542b, 0x181bf1b0, 0xe8c96fc7, 0x8785ca5c, 0xf61a5e2e, + 0x9956fbb5, 0x698465c2, 0x06c8c059, 0x8921582d, 0xe66dfdb6, + 0x16bf63c1, 0x79f3c65a, 0xf4814a24, 0x9bcdefbf, 0x6b1f71c8, + 0x0453d453, 0x8bba4c27, 0xe4f6e9bc, 0x142477cb, 0x7b68d250, + 0x0af74622, 0x65bbe3b9, 0x95697dce, 0xfa25d855, 0x75cc4021, + 0x1a80e5ba, 0xea527bcd, 0x851ede56, 0xe06fc760, 0x8f2362fb, + 0x7ff1fc8c, 0x10bd5917, 0x9f54c163, 0xf01864f8, 0x00cafa8f, + 0x6f865f14, 0x1e19cb66, 0x71556efd, 0x8187f08a, 0xeecb5511, + 0x6122cd65, 0x0e6e68fe, 0xfebcf689, 0x91f05312, 0x1c82df6c, + 0x73ce7af7, 0x831ce480, 0xec50411b, 0x63b9d96f, 0x0cf57cf4, + 0xfc27e283, 0x936b4718, 0xe2f4d36a, 0x8db876f1, 0x7d6ae886, + 0x12264d1d, 0x9dcfd569, 0xf28370f2, 0x0251ee85, 0x6d1d4b1e, + 0x18b4f678, 0x77f853e3, 0x872acd94, 0xe866680f, 0x678ff07b, + 0x08c355e0, 0xf811cb97, 0x975d6e0c, 0xe6c2fa7e, 0x898e5fe5, + 0x795cc192, 0x16106409, 0x99f9fc7d, 0xf6b559e6, 0x0667c791, + 0x692b620a, 0xe459ee74, 0x8b154bef, 0x7bc7d598, 0x148b7003, + 0x9b62e877, 0xf42e4dec, 0x04fcd39b, 0x6bb07600, 0x1a2fe272, + 0x756347e9, 0x85b1d99e, 0xeafd7c05, 0x6514e471, 0x0a5841ea, + 0xfa8adf9d, 0x95c67a06, 0x10d8a450, 0x7f9401cb, 0x8f469fbc, + 0xe00a3a27, 0x6fe3a253, 0x00af07c8, 0xf07d99bf, 0x9f313c24, + 0xeeaea856, 0x81e20dcd, 0x713093ba, 0x1e7c3621, 0x9195ae55, + 0xfed90bce, 0x0e0b95b9, 0x61473022, 0xec35bc5c, 0x837919c7, + 0x73ab87b0, 0x1ce7222b, 0x930eba5f, 0xfc421fc4, 0x0c9081b3, + 0x63dc2428, 0x1243b05a, 0x7d0f15c1, 0x8ddd8bb6, 0xe2912e2d, + 0x6d78b659, 0x023413c2, 0xf2e68db5, 0x9daa282e, 0xe8039548, + 0x874f30d3, 0x779daea4, 0x18d10b3f, 0x9738934b, 0xf87436d0, + 0x08a6a8a7, 0x67ea0d3c, 0x1675994e, 0x79393cd5, 0x89eba2a2, + 0xe6a70739, 0x694e9f4d, 0x06023ad6, 0xf6d0a4a1, 0x999c013a, + 0x14ee8d44, 0x7ba228df, 0x8b70b6a8, 0xe43c1333, 0x6bd58b47, + 0x04992edc, 0xf44bb0ab, 0x9b071530, 0xea988142, 0x85d424d9, + 0x7506baae, 0x1a4a1f35, 0x95a38741, 0xfaef22da, 0x0a3dbcad, + 0x65711936}}; + +#endif + +#endif + +#if N == 4 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xf1da05aa, 0x38c50d15, 0xc91f08bf, 0x718a1a2a, + 0x80501f80, 0x494f173f, 0xb8951295, 0xe3143454, 0x12ce31fe, + 0xdbd13941, 0x2a0b3ceb, 0x929e2e7e, 0x63442bd4, 0xaa5b236b, + 0x5b8126c1, 0x1d596ee9, 0xec836b43, 0x259c63fc, 0xd4466656, + 0x6cd374c3, 0x9d097169, 0x541679d6, 0xa5cc7c7c, 0xfe4d5abd, + 0x0f975f17, 0xc68857a8, 0x37525202, 0x8fc74097, 0x7e1d453d, + 0xb7024d82, 0x46d84828, 0x3ab2ddd2, 0xcb68d878, 0x0277d0c7, + 0xf3add56d, 0x4b38c7f8, 0xbae2c252, 0x73fdcaed, 0x8227cf47, + 0xd9a6e986, 0x287cec2c, 0xe163e493, 0x10b9e139, 0xa82cf3ac, + 0x59f6f606, 0x90e9feb9, 0x6133fb13, 0x27ebb33b, 0xd631b691, + 0x1f2ebe2e, 0xeef4bb84, 0x5661a911, 0xa7bbacbb, 0x6ea4a404, + 0x9f7ea1ae, 0xc4ff876f, 0x352582c5, 0xfc3a8a7a, 0x0de08fd0, + 0xb5759d45, 0x44af98ef, 0x8db09050, 0x7c6a95fa, 0x7565bba4, + 0x84bfbe0e, 0x4da0b6b1, 0xbc7ab31b, 0x04efa18e, 0xf535a424, + 0x3c2aac9b, 0xcdf0a931, 0x96718ff0, 0x67ab8a5a, 0xaeb482e5, + 0x5f6e874f, 0xe7fb95da, 0x16219070, 0xdf3e98cf, 0x2ee49d65, + 0x683cd54d, 0x99e6d0e7, 0x50f9d858, 0xa123ddf2, 0x19b6cf67, + 0xe86ccacd, 0x2173c272, 0xd0a9c7d8, 0x8b28e119, 0x7af2e4b3, + 0xb3edec0c, 0x4237e9a6, 0xfaa2fb33, 0x0b78fe99, 0xc267f626, + 0x33bdf38c, 0x4fd76676, 0xbe0d63dc, 0x77126b63, 0x86c86ec9, + 0x3e5d7c5c, 0xcf8779f6, 0x06987149, 0xf74274e3, 0xacc35222, + 0x5d195788, 0x94065f37, 0x65dc5a9d, 0xdd494808, 0x2c934da2, + 0xe58c451d, 0x145640b7, 0x528e089f, 0xa3540d35, 0x6a4b058a, + 0x9b910020, 0x230412b5, 0xd2de171f, 0x1bc11fa0, 0xea1b1a0a, + 0xb19a3ccb, 0x40403961, 0x895f31de, 0x78853474, 0xc01026e1, + 0x31ca234b, 0xf8d52bf4, 0x090f2e5e, 0xeacb7748, 0x1b1172e2, + 0xd20e7a5d, 0x23d47ff7, 0x9b416d62, 0x6a9b68c8, 0xa3846077, + 0x525e65dd, 0x09df431c, 0xf80546b6, 0x311a4e09, 0xc0c04ba3, + 0x78555936, 0x898f5c9c, 0x40905423, 0xb14a5189, 0xf79219a1, + 0x06481c0b, 0xcf5714b4, 0x3e8d111e, 0x8618038b, 0x77c20621, + 0xbedd0e9e, 0x4f070b34, 0x14862df5, 0xe55c285f, 0x2c4320e0, + 0xdd99254a, 0x650c37df, 0x94d63275, 0x5dc93aca, 0xac133f60, + 0xd079aa9a, 0x21a3af30, 0xe8bca78f, 0x1966a225, 0xa1f3b0b0, + 0x5029b51a, 0x9936bda5, 0x68ecb80f, 0x336d9ece, 0xc2b79b64, + 0x0ba893db, 0xfa729671, 0x42e784e4, 0xb33d814e, 0x7a2289f1, + 0x8bf88c5b, 0xcd20c473, 0x3cfac1d9, 0xf5e5c966, 0x043fcccc, + 0xbcaade59, 0x4d70dbf3, 0x846fd34c, 0x75b5d6e6, 0x2e34f027, + 0xdfeef58d, 0x16f1fd32, 0xe72bf898, 0x5fbeea0d, 0xae64efa7, + 0x677be718, 0x96a1e2b2, 0x9faeccec, 0x6e74c946, 0xa76bc1f9, + 0x56b1c453, 0xee24d6c6, 0x1ffed36c, 0xd6e1dbd3, 0x273bde79, + 0x7cbaf8b8, 0x8d60fd12, 0x447ff5ad, 0xb5a5f007, 0x0d30e292, + 0xfceae738, 0x35f5ef87, 0xc42fea2d, 0x82f7a205, 0x732da7af, + 0xba32af10, 0x4be8aaba, 0xf37db82f, 0x02a7bd85, 0xcbb8b53a, + 0x3a62b090, 0x61e39651, 0x903993fb, 0x59269b44, 0xa8fc9eee, + 0x10698c7b, 0xe1b389d1, 0x28ac816e, 0xd97684c4, 0xa51c113e, + 0x54c61494, 0x9dd91c2b, 0x6c031981, 0xd4960b14, 0x254c0ebe, + 0xec530601, 0x1d8903ab, 0x4608256a, 0xb7d220c0, 0x7ecd287f, + 0x8f172dd5, 0x37823f40, 0xc6583aea, 0x0f473255, 0xfe9d37ff, + 0xb8457fd7, 0x499f7a7d, 0x808072c2, 0x715a7768, 0xc9cf65fd, + 0x38156057, 0xf10a68e8, 0x00d06d42, 0x5b514b83, 0xaa8b4e29, + 0x63944696, 0x924e433c, 0x2adb51a9, 0xdb015403, 0x121e5cbc, + 0xe3c45916}, + {0x00000000, 0x0ee7e8d1, 0x1dcfd1a2, 0x13283973, 0x3b9fa344, + 0x35784b95, 0x265072e6, 0x28b79a37, 0x773f4688, 0x79d8ae59, + 0x6af0972a, 0x64177ffb, 0x4ca0e5cc, 0x42470d1d, 0x516f346e, + 0x5f88dcbf, 0xee7e8d10, 0xe09965c1, 0xf3b15cb2, 0xfd56b463, + 0xd5e12e54, 0xdb06c685, 0xc82efff6, 0xc6c91727, 0x9941cb98, + 0x97a62349, 0x848e1a3a, 0x8a69f2eb, 0xa2de68dc, 0xac39800d, + 0xbf11b97e, 0xb1f651af, 0x078c1c61, 0x096bf4b0, 0x1a43cdc3, + 0x14a42512, 0x3c13bf25, 0x32f457f4, 0x21dc6e87, 0x2f3b8656, + 0x70b35ae9, 0x7e54b238, 0x6d7c8b4b, 0x639b639a, 0x4b2cf9ad, + 0x45cb117c, 0x56e3280f, 0x5804c0de, 0xe9f29171, 0xe71579a0, + 0xf43d40d3, 0xfadaa802, 0xd26d3235, 0xdc8adae4, 0xcfa2e397, + 0xc1450b46, 0x9ecdd7f9, 0x902a3f28, 0x8302065b, 0x8de5ee8a, + 0xa55274bd, 0xabb59c6c, 0xb89da51f, 0xb67a4dce, 0x0f1838c2, + 0x01ffd013, 0x12d7e960, 0x1c3001b1, 0x34879b86, 0x3a607357, + 0x29484a24, 0x27afa2f5, 0x78277e4a, 0x76c0969b, 0x65e8afe8, + 0x6b0f4739, 0x43b8dd0e, 0x4d5f35df, 0x5e770cac, 0x5090e47d, + 0xe166b5d2, 0xef815d03, 0xfca96470, 0xf24e8ca1, 0xdaf91696, + 0xd41efe47, 0xc736c734, 0xc9d12fe5, 0x9659f35a, 0x98be1b8b, + 0x8b9622f8, 0x8571ca29, 0xadc6501e, 0xa321b8cf, 0xb00981bc, + 0xbeee696d, 0x089424a3, 0x0673cc72, 0x155bf501, 0x1bbc1dd0, + 0x330b87e7, 0x3dec6f36, 0x2ec45645, 0x2023be94, 0x7fab622b, + 0x714c8afa, 0x6264b389, 0x6c835b58, 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0xd7b6d94c, 0x723d4942, 0x47d0ff11, + 0xe25b6f1f, 0x5817276e, 0xfd9cb760, 0xc8710133, 0x6dfa913d, + 0xa3aa6d95, 0x0621fd9b, 0x33cc4bc8, 0x9647dbc6, 0x741cb4d9, + 0xd19724d7, 0xe47a9284, 0x41f1028a, 0x8fa1fe22, 0x2a2a6e2c, + 0x1fc7d87f, 0xba4c4871, 0xb02e4edc, 0x15a5ded2, 0x20486881, + 0x85c3f88f, 0x4b930427, 0xee189429, 0xdbf5227a, 0x7e7eb274, + 0x9c25dd6b, 0x39ae4d65, 0x0c43fb36, 0xa9c86b38, 0x67989790, + 0xc213079e, 0xf7feb1cd, 0x527521c3, 0xe83969b2, 0x4db2f9bc, + 0x785f4fef, 0xddd4dfe1, 0x13842349, 0xb60fb347, 0x83e20514, + 0x2669951a, 0xc432fa05, 0x61b96a0b, 0x5454dc58, 0xf1df4c56, + 0x3f8fb0fe, 0x9a0420f0, 0xafe996a3, 0x0a6206ad, 0xbb2d9bf9, + 0x1ea60bf7, 0x2b4bbda4, 0x8ec02daa, 0x4090d102, 0xe51b410c, + 0xd0f6f75f, 0x757d6751, 0x9726084e, 0x32ad9840, 0x07402e13, + 0xa2cbbe1d, 0x6c9b42b5, 0xc910d2bb, 0xfcfd64e8, 0x5976f4e6, + 0xe33abc97, 0x46b12c99, 0x735c9aca, 0xd6d70ac4, 0x1887f66c, + 0xbd0c6662, 0x88e1d031, 0x2d6a403f, 0xcf312f20, 0x6ababf2e, + 0x5f57097d, 0xfadc9973, 0x348c65db, 0x9107f5d5, 0xa4ea4386, + 0x0161d388, 0x0b03d525, 0xae88452b, 0x9b65f378, 0x3eee6376, + 0xf0be9fde, 0x55350fd0, 0x60d8b983, 0xc553298d, 0x27084692, + 0x8283d69c, 0xb76e60cf, 0x12e5f0c1, 0xdcb50c69, 0x793e9c67, + 0x4cd32a34, 0xe958ba3a, 0x5314f24b, 0xf69f6245, 0xc372d416, + 0x66f94418, 0xa8a9b8b0, 0x0d2228be, 0x38cf9eed, 0x9d440ee3, + 0x7f1f61fc, 0xda94f1f2, 0xef7947a1, 0x4af2d7af, 0x84a22b07, + 0x2129bb09, 0x14c40d5a, 0xb14f9d54, 0xad2a31b3, 0x08a1a1bd, + 0x3d4c17ee, 0x98c787e0, 0x56977b48, 0xf31ceb46, 0xc6f15d15, + 0x637acd1b, 0x8121a204, 0x24aa320a, 0x11478459, 0xb4cc1457, + 0x7a9ce8ff, 0xdf1778f1, 0xeafacea2, 0x4f715eac, 0xf53d16dd, + 0x50b686d3, 0x655b3080, 0xc0d0a08e, 0x0e805c26, 0xab0bcc28, + 0x9ee67a7b, 0x3b6dea75, 0xd936856a, 0x7cbd1564, 0x4950a337, + 0xecdb3339, 0x228bcf91, 0x87005f9f, 0xb2ede9cc, 0x176679c2, + 0x1d047f6f, 0xb88fef61, 0x8d625932, 0x28e9c93c, 0xe6b93594, + 0x4332a59a, 0x76df13c9, 0xd35483c7, 0x310fecd8, 0x94847cd6, + 0xa169ca85, 0x04e25a8b, 0xcab2a623, 0x6f39362d, 0x5ad4807e, + 0xff5f1070, 0x45135801, 0xe098c80f, 0xd5757e5c, 0x70feee52, + 0xbeae12fa, 0x1b2582f4, 0x2ec834a7, 0x8b43a4a9, 0x6918cbb6, + 0xcc935bb8, 0xf97eedeb, 0x5cf57de5, 0x92a5814d, 0x372e1143, + 0x02c3a710, 0xa748371e, 0x1607aa4a, 0xb38c3a44, 0x86618c17, + 0x23ea1c19, 0xedbae0b1, 0x483170bf, 0x7ddcc6ec, 0xd85756e2, + 0x3a0c39fd, 0x9f87a9f3, 0xaa6a1fa0, 0x0fe18fae, 0xc1b17306, + 0x643ae308, 0x51d7555b, 0xf45cc555, 0x4e108d24, 0xeb9b1d2a, + 0xde76ab79, 0x7bfd3b77, 0xb5adc7df, 0x102657d1, 0x25cbe182, + 0x8040718c, 0x621b1e93, 0xc7908e9d, 0xf27d38ce, 0x57f6a8c0, + 0x99a65468, 0x3c2dc466, 0x09c07235, 0xac4be23b, 0xa629e496, + 0x03a27498, 0x364fc2cb, 0x93c452c5, 0x5d94ae6d, 0xf81f3e63, + 0xcdf28830, 0x6879183e, 0x8a227721, 0x2fa9e72f, 0x1a44517c, + 0xbfcfc172, 0x719f3dda, 0xd414add4, 0xe1f91b87, 0x44728b89, + 0xfe3ec3f8, 0x5bb553f6, 0x6e58e5a5, 0xcbd375ab, 0x05838903, + 0xa008190d, 0x95e5af5e, 0x306e3f50, 0xd235504f, 0x77bec041, + 0x42537612, 0xe7d8e61c, 0x29881ab4, 0x8c038aba, 0xb9ee3ce9, + 0x1c65ace7}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0x0e908ba500000000, 0x5d26669000000000, + 0x53b6ed3500000000, 0xfb4abdfb00000000, 0xf5da365e00000000, + 0xa66cdb6b00000000, 0xa8fc50ce00000000, 0xb7930b2c00000000, + 0xb903808900000000, 0xeab56dbc00000000, 0xe425e61900000000, + 0x4cd9b6d700000000, 0x42493d7200000000, 0x11ffd04700000000, + 0x1f6f5be200000000, 0x6e27175800000000, 0x60b79cfd00000000, + 0x330171c800000000, 0x3d91fa6d00000000, 0x956daaa300000000, + 0x9bfd210600000000, 0xc84bcc3300000000, 0xc6db479600000000, + 0xd9b41c7400000000, 0xd72497d100000000, 0x84927ae400000000, + 0x8a02f14100000000, 0x22fea18f00000000, 0x2c6e2a2a00000000, + 0x7fd8c71f00000000, 0x71484cba00000000, 0xdc4e2eb000000000, + 0xd2dea51500000000, 0x8168482000000000, 0x8ff8c38500000000, + 0x2704934b00000000, 0x299418ee00000000, 0x7a22f5db00000000, + 0x74b27e7e00000000, 0x6bdd259c00000000, 0x654dae3900000000, + 0x36fb430c00000000, 0x386bc8a900000000, 0x9097986700000000, + 0x9e0713c200000000, 0xcdb1fef700000000, 0xc321755200000000, + 0xb26939e800000000, 0xbcf9b24d00000000, 0xef4f5f7800000000, + 0xe1dfd4dd00000000, 0x4923841300000000, 0x47b30fb600000000, + 0x1405e28300000000, 0x1a95692600000000, 0x05fa32c400000000, + 0x0b6ab96100000000, 0x58dc545400000000, 0x564cdff100000000, + 0xfeb08f3f00000000, 0xf020049a00000000, 0xa396e9af00000000, + 0xad06620a00000000, 0xf99b2dbb00000000, 0xf70ba61e00000000, + 0xa4bd4b2b00000000, 0xaa2dc08e00000000, 0x02d1904000000000, + 0x0c411be500000000, 0x5ff7f6d000000000, 0x51677d7500000000, + 0x4e08269700000000, 0x4098ad3200000000, 0x132e400700000000, + 0x1dbecba200000000, 0xb5429b6c00000000, 0xbbd210c900000000, + 0xe864fdfc00000000, 0xe6f4765900000000, 0x97bc3ae300000000, + 0x992cb14600000000, 0xca9a5c7300000000, 0xc40ad7d600000000, + 0x6cf6871800000000, 0x62660cbd00000000, 0x31d0e18800000000, + 0x3f406a2d00000000, 0x202f31cf00000000, 0x2ebfba6a00000000, + 0x7d09575f00000000, 0x7399dcfa00000000, 0xdb658c3400000000, + 0xd5f5079100000000, 0x8643eaa400000000, 0x88d3610100000000, + 0x25d5030b00000000, 0x2b4588ae00000000, 0x78f3659b00000000, + 0x7663ee3e00000000, 0xde9fbef000000000, 0xd00f355500000000, + 0x83b9d86000000000, 0x8d2953c500000000, 0x9246082700000000, + 0x9cd6838200000000, 0xcf606eb700000000, 0xc1f0e51200000000, + 0x690cb5dc00000000, 0x679c3e7900000000, 0x342ad34c00000000, + 0x3aba58e900000000, 0x4bf2145300000000, 0x45629ff600000000, + 0x16d472c300000000, 0x1844f96600000000, 0xb0b8a9a800000000, + 0xbe28220d00000000, 0xed9ecf3800000000, 0xe30e449d00000000, + 0xfc611f7f00000000, 0xf2f194da00000000, 0xa14779ef00000000, + 0xafd7f24a00000000, 0x072ba28400000000, 0x09bb292100000000, + 0x5a0dc41400000000, 0x549d4fb100000000, 0xb3312aad00000000, + 0xbda1a10800000000, 0xee174c3d00000000, 0xe087c79800000000, + 0x487b975600000000, 0x46eb1cf300000000, 0x155df1c600000000, + 0x1bcd7a6300000000, 0x04a2218100000000, 0x0a32aa2400000000, + 0x5984471100000000, 0x5714ccb400000000, 0xffe89c7a00000000, + 0xf17817df00000000, 0xa2cefaea00000000, 0xac5e714f00000000, + 0xdd163df500000000, 0xd386b65000000000, 0x80305b6500000000, + 0x8ea0d0c000000000, 0x265c800e00000000, 0x28cc0bab00000000, + 0x7b7ae69e00000000, 0x75ea6d3b00000000, 0x6a8536d900000000, + 0x6415bd7c00000000, 0x37a3504900000000, 0x3933dbec00000000, + 0x91cf8b2200000000, 0x9f5f008700000000, 0xcce9edb200000000, + 0xc279661700000000, 0x6f7f041d00000000, 0x61ef8fb800000000, + 0x3259628d00000000, 0x3cc9e92800000000, 0x9435b9e600000000, + 0x9aa5324300000000, 0xc913df7600000000, 0xc78354d300000000, + 0xd8ec0f3100000000, 0xd67c849400000000, 0x85ca69a100000000, + 0x8b5ae20400000000, 0x23a6b2ca00000000, 0x2d36396f00000000, + 0x7e80d45a00000000, 0x70105fff00000000, 0x0158134500000000, + 0x0fc898e000000000, 0x5c7e75d500000000, 0x52eefe7000000000, + 0xfa12aebe00000000, 0xf482251b00000000, 0xa734c82e00000000, + 0xa9a4438b00000000, 0xb6cb186900000000, 0xb85b93cc00000000, + 0xebed7ef900000000, 0xe57df55c00000000, 0x4d81a59200000000, + 0x43112e3700000000, 0x10a7c30200000000, 0x1e3748a700000000, + 0x4aaa071600000000, 0x443a8cb300000000, 0x178c618600000000, + 0x191cea2300000000, 0xb1e0baed00000000, 0xbf70314800000000, + 0xecc6dc7d00000000, 0xe25657d800000000, 0xfd390c3a00000000, + 0xf3a9879f00000000, 0xa01f6aaa00000000, 0xae8fe10f00000000, + 0x0673b1c100000000, 0x08e33a6400000000, 0x5b55d75100000000, + 0x55c55cf400000000, 0x248d104e00000000, 0x2a1d9beb00000000, + 0x79ab76de00000000, 0x773bfd7b00000000, 0xdfc7adb500000000, + 0xd157261000000000, 0x82e1cb2500000000, 0x8c71408000000000, + 0x931e1b6200000000, 0x9d8e90c700000000, 0xce387df200000000, + 0xc0a8f65700000000, 0x6854a69900000000, 0x66c42d3c00000000, + 0x3572c00900000000, 0x3be24bac00000000, 0x96e429a600000000, + 0x9874a20300000000, 0xcbc24f3600000000, 0xc552c49300000000, + 0x6dae945d00000000, 0x633e1ff800000000, 0x3088f2cd00000000, + 0x3e18796800000000, 0x2177228a00000000, 0x2fe7a92f00000000, + 0x7c51441a00000000, 0x72c1cfbf00000000, 0xda3d9f7100000000, + 0xd4ad14d400000000, 0x871bf9e100000000, 0x898b724400000000, + 0xf8c33efe00000000, 0xf653b55b00000000, 0xa5e5586e00000000, + 0xab75d3cb00000000, 0x0389830500000000, 0x0d1908a000000000, + 0x5eafe59500000000, 0x503f6e3000000000, 0x4f5035d200000000, + 0x41c0be7700000000, 0x1276534200000000, 0x1ce6d8e700000000, + 0xb41a882900000000, 0xba8a038c00000000, 0xe93ceeb900000000, + 0xe7ac651c00000000}, + {0x0000000000000000, 0x97a61de700000000, 0x6f4b4a1500000000, + 0xf8ed57f200000000, 0xde96942a00000000, 0x493089cd00000000, + 0xb1ddde3f00000000, 0x267bc3d800000000, 0xbc2d295500000000, + 0x2b8b34b200000000, 0xd366634000000000, 0x44c07ea700000000, + 0x62bbbd7f00000000, 0xf51da09800000000, 0x0df0f76a00000000, + 0x9a56ea8d00000000, 0x785b52aa00000000, 0xeffd4f4d00000000, + 0x171018bf00000000, 0x80b6055800000000, 0xa6cdc68000000000, + 0x316bdb6700000000, 0xc9868c9500000000, 0x5e20917200000000, + 0xc4767bff00000000, 0x53d0661800000000, 0xab3d31ea00000000, + 0x3c9b2c0d00000000, 0x1ae0efd500000000, 0x8d46f23200000000, + 0x75aba5c000000000, 0xe20db82700000000, 0xb1b0d58f00000000, + 0x2616c86800000000, 0xdefb9f9a00000000, 0x495d827d00000000, + 0x6f2641a500000000, 0xf8805c4200000000, 0x006d0bb000000000, + 0x97cb165700000000, 0x0d9dfcda00000000, 0x9a3be13d00000000, + 0x62d6b6cf00000000, 0xf570ab2800000000, 0xd30b68f000000000, + 0x44ad751700000000, 0xbc4022e500000000, 0x2be63f0200000000, + 0xc9eb872500000000, 0x5e4d9ac200000000, 0xa6a0cd3000000000, + 0x3106d0d700000000, 0x177d130f00000000, 0x80db0ee800000000, + 0x7836591a00000000, 0xef9044fd00000000, 0x75c6ae7000000000, + 0xe260b39700000000, 0x1a8de46500000000, 0x8d2bf98200000000, + 0xab503a5a00000000, 0x3cf627bd00000000, 0xc41b704f00000000, + 0x53bd6da800000000, 0x2367dac400000000, 0xb4c1c72300000000, + 0x4c2c90d100000000, 0xdb8a8d3600000000, 0xfdf14eee00000000, + 0x6a57530900000000, 0x92ba04fb00000000, 0x051c191c00000000, + 0x9f4af39100000000, 0x08ecee7600000000, 0xf001b98400000000, + 0x67a7a46300000000, 0x41dc67bb00000000, 0xd67a7a5c00000000, + 0x2e972dae00000000, 0xb931304900000000, 0x5b3c886e00000000, + 0xcc9a958900000000, 0x3477c27b00000000, 0xa3d1df9c00000000, + 0x85aa1c4400000000, 0x120c01a300000000, 0xeae1565100000000, + 0x7d474bb600000000, 0xe711a13b00000000, 0x70b7bcdc00000000, + 0x885aeb2e00000000, 0x1ffcf6c900000000, 0x3987351100000000, + 0xae2128f600000000, 0x56cc7f0400000000, 0xc16a62e300000000, + 0x92d70f4b00000000, 0x057112ac00000000, 0xfd9c455e00000000, + 0x6a3a58b900000000, 0x4c419b6100000000, 0xdbe7868600000000, + 0x230ad17400000000, 0xb4accc9300000000, 0x2efa261e00000000, + 0xb95c3bf900000000, 0x41b16c0b00000000, 0xd61771ec00000000, + 0xf06cb23400000000, 0x67caafd300000000, 0x9f27f82100000000, + 0x0881e5c600000000, 0xea8c5de100000000, 0x7d2a400600000000, + 0x85c717f400000000, 0x12610a1300000000, 0x341ac9cb00000000, + 0xa3bcd42c00000000, 0x5b5183de00000000, 0xccf79e3900000000, + 0x56a174b400000000, 0xc107695300000000, 0x39ea3ea100000000, + 0xae4c234600000000, 0x8837e09e00000000, 0x1f91fd7900000000, + 0xe77caa8b00000000, 0x70dab76c00000000, 0x07c8c55200000000, + 0x906ed8b500000000, 0x68838f4700000000, 0xff2592a000000000, + 0xd95e517800000000, 0x4ef84c9f00000000, 0xb6151b6d00000000, + 0x21b3068a00000000, 0xbbe5ec0700000000, 0x2c43f1e000000000, + 0xd4aea61200000000, 0x4308bbf500000000, 0x6573782d00000000, + 0xf2d565ca00000000, 0x0a38323800000000, 0x9d9e2fdf00000000, + 0x7f9397f800000000, 0xe8358a1f00000000, 0x10d8dded00000000, + 0x877ec00a00000000, 0xa10503d200000000, 0x36a31e3500000000, + 0xce4e49c700000000, 0x59e8542000000000, 0xc3bebead00000000, + 0x5418a34a00000000, 0xacf5f4b800000000, 0x3b53e95f00000000, + 0x1d282a8700000000, 0x8a8e376000000000, 0x7263609200000000, + 0xe5c57d7500000000, 0xb67810dd00000000, 0x21de0d3a00000000, + 0xd9335ac800000000, 0x4e95472f00000000, 0x68ee84f700000000, + 0xff48991000000000, 0x07a5cee200000000, 0x9003d30500000000, + 0x0a55398800000000, 0x9df3246f00000000, 0x651e739d00000000, + 0xf2b86e7a00000000, 0xd4c3ada200000000, 0x4365b04500000000, + 0xbb88e7b700000000, 0x2c2efa5000000000, 0xce23427700000000, + 0x59855f9000000000, 0xa168086200000000, 0x36ce158500000000, + 0x10b5d65d00000000, 0x8713cbba00000000, 0x7ffe9c4800000000, + 0xe85881af00000000, 0x720e6b2200000000, 0xe5a876c500000000, + 0x1d45213700000000, 0x8ae33cd000000000, 0xac98ff0800000000, + 0x3b3ee2ef00000000, 0xc3d3b51d00000000, 0x5475a8fa00000000, + 0x24af1f9600000000, 0xb309027100000000, 0x4be4558300000000, + 0xdc42486400000000, 0xfa398bbc00000000, 0x6d9f965b00000000, + 0x9572c1a900000000, 0x02d4dc4e00000000, 0x988236c300000000, + 0x0f242b2400000000, 0xf7c97cd600000000, 0x606f613100000000, + 0x4614a2e900000000, 0xd1b2bf0e00000000, 0x295fe8fc00000000, + 0xbef9f51b00000000, 0x5cf44d3c00000000, 0xcb5250db00000000, + 0x33bf072900000000, 0xa4191ace00000000, 0x8262d91600000000, + 0x15c4c4f100000000, 0xed29930300000000, 0x7a8f8ee400000000, + 0xe0d9646900000000, 0x777f798e00000000, 0x8f922e7c00000000, + 0x1834339b00000000, 0x3e4ff04300000000, 0xa9e9eda400000000, + 0x5104ba5600000000, 0xc6a2a7b100000000, 0x951fca1900000000, + 0x02b9d7fe00000000, 0xfa54800c00000000, 0x6df29deb00000000, + 0x4b895e3300000000, 0xdc2f43d400000000, 0x24c2142600000000, + 0xb36409c100000000, 0x2932e34c00000000, 0xbe94feab00000000, + 0x4679a95900000000, 0xd1dfb4be00000000, 0xf7a4776600000000, + 0x60026a8100000000, 0x98ef3d7300000000, 0x0f49209400000000, + 0xed4498b300000000, 0x7ae2855400000000, 0x820fd2a600000000, + 0x15a9cf4100000000, 0x33d20c9900000000, 0xa474117e00000000, + 0x5c99468c00000000, 0xcb3f5b6b00000000, 0x5169b1e600000000, + 0xc6cfac0100000000, 0x3e22fbf300000000, 0xa984e61400000000, + 0x8fff25cc00000000, 0x1859382b00000000, 0xe0b46fd900000000, + 0x7712723e00000000}, + {0x0000000000000000, 0x411b8c6e00000000, 0x823618dd00000000, + 0xc32d94b300000000, 0x456b416100000000, 0x0470cd0f00000000, + 0xc75d59bc00000000, 0x8646d5d200000000, 0x8ad682c200000000, + 0xcbcd0eac00000000, 0x08e09a1f00000000, 0x49fb167100000000, + 0xcfbdc3a300000000, 0x8ea64fcd00000000, 0x4d8bdb7e00000000, + 0x0c90571000000000, 0x55ab745e00000000, 0x14b0f83000000000, + 0xd79d6c8300000000, 0x9686e0ed00000000, 0x10c0353f00000000, + 0x51dbb95100000000, 0x92f62de200000000, 0xd3eda18c00000000, + 0xdf7df69c00000000, 0x9e667af200000000, 0x5d4bee4100000000, + 0x1c50622f00000000, 0x9a16b7fd00000000, 0xdb0d3b9300000000, + 0x1820af2000000000, 0x593b234e00000000, 0xaa56e9bc00000000, + 0xeb4d65d200000000, 0x2860f16100000000, 0x697b7d0f00000000, + 0xef3da8dd00000000, 0xae2624b300000000, 0x6d0bb00000000000, + 0x2c103c6e00000000, 0x20806b7e00000000, 0x619be71000000000, + 0xa2b673a300000000, 0xe3adffcd00000000, 0x65eb2a1f00000000, + 0x24f0a67100000000, 0xe7dd32c200000000, 0xa6c6beac00000000, + 0xfffd9de200000000, 0xbee6118c00000000, 0x7dcb853f00000000, + 0x3cd0095100000000, 0xba96dc8300000000, 0xfb8d50ed00000000, + 0x38a0c45e00000000, 0x79bb483000000000, 0x752b1f2000000000, + 0x3430934e00000000, 0xf71d07fd00000000, 0xb6068b9300000000, + 0x30405e4100000000, 0x715bd22f00000000, 0xb276469c00000000, + 0xf36dcaf200000000, 0x15aba3a200000000, 0x54b02fcc00000000, + 0x979dbb7f00000000, 0xd686371100000000, 0x50c0e2c300000000, + 0x11db6ead00000000, 0xd2f6fa1e00000000, 0x93ed767000000000, + 0x9f7d216000000000, 0xde66ad0e00000000, 0x1d4b39bd00000000, + 0x5c50b5d300000000, 0xda16600100000000, 0x9b0dec6f00000000, + 0x582078dc00000000, 0x193bf4b200000000, 0x4000d7fc00000000, + 0x011b5b9200000000, 0xc236cf2100000000, 0x832d434f00000000, + 0x056b969d00000000, 0x44701af300000000, 0x875d8e4000000000, + 0xc646022e00000000, 0xcad6553e00000000, 0x8bcdd95000000000, + 0x48e04de300000000, 0x09fbc18d00000000, 0x8fbd145f00000000, + 0xcea6983100000000, 0x0d8b0c8200000000, 0x4c9080ec00000000, + 0xbffd4a1e00000000, 0xfee6c67000000000, 0x3dcb52c300000000, + 0x7cd0dead00000000, 0xfa960b7f00000000, 0xbb8d871100000000, + 0x78a013a200000000, 0x39bb9fcc00000000, 0x352bc8dc00000000, + 0x743044b200000000, 0xb71dd00100000000, 0xf6065c6f00000000, + 0x704089bd00000000, 0x315b05d300000000, 0xf276916000000000, + 0xb36d1d0e00000000, 0xea563e4000000000, 0xab4db22e00000000, + 0x6860269d00000000, 0x297baaf300000000, 0xaf3d7f2100000000, + 0xee26f34f00000000, 0x2d0b67fc00000000, 0x6c10eb9200000000, + 0x6080bc8200000000, 0x219b30ec00000000, 0xe2b6a45f00000000, + 0xa3ad283100000000, 0x25ebfde300000000, 0x64f0718d00000000, + 0xa7dde53e00000000, 0xe6c6695000000000, 0x6b50369e00000000, + 0x2a4bbaf000000000, 0xe9662e4300000000, 0xa87da22d00000000, + 0x2e3b77ff00000000, 0x6f20fb9100000000, 0xac0d6f2200000000, + 0xed16e34c00000000, 0xe186b45c00000000, 0xa09d383200000000, + 0x63b0ac8100000000, 0x22ab20ef00000000, 0xa4edf53d00000000, + 0xe5f6795300000000, 0x26dbede000000000, 0x67c0618e00000000, + 0x3efb42c000000000, 0x7fe0ceae00000000, 0xbccd5a1d00000000, + 0xfdd6d67300000000, 0x7b9003a100000000, 0x3a8b8fcf00000000, + 0xf9a61b7c00000000, 0xb8bd971200000000, 0xb42dc00200000000, + 0xf5364c6c00000000, 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0x179c83d100000000, 0x1f7fe3ed00000000, + 0x27d6c15800000000, 0x2f35a16400000000, 0x3710002000000000, + 0x3ff3601c00000000, 0x49f6c11800000000, 0x4115a12400000000, + 0x5930006000000000, 0x51d3605c00000000, 0x697a42e900000000, + 0x619922d500000000, 0x79bc839100000000, 0x715fe3ad00000000, + 0x48e8b72000000000, 0x400bd71c00000000, 0x582e765800000000, + 0x50cd166400000000, 0x686434d100000000, 0x608754ed00000000, + 0x78a2f5a900000000, 0x7041959500000000, 0x4bca2d6800000000, + 0x43294d5400000000, 0x5b0cec1000000000, 0x53ef8c2c00000000, + 0x6b46ae9900000000, 0x63a5cea500000000, 0x7b806fe100000000, + 0x73630fdd00000000, 0x4ad45b5000000000, 0x42373b6c00000000, + 0x5a129a2800000000, 0x52f1fa1400000000, 0x6a58d8a100000000, + 0x62bbb89d00000000, 0x7a9e19d900000000, 0x727d79e500000000, + 0x4d8e19f900000000, 0x456d79c500000000, 0x5d48d88100000000, + 0x55abb8bd00000000, 0x6d029a0800000000, 0x65e1fa3400000000, + 0x7dc45b7000000000, 0x75273b4c00000000, 0x4c906fc100000000, + 0x44730ffd00000000, 0x5c56aeb900000000, 0x54b5ce8500000000, + 0x6c1cec3000000000, 0x64ff8c0c00000000, 0x7cda2d4800000000, + 0x74394d7400000000, 0x4fb2f58900000000, 0x475195b500000000, + 0x5f7434f100000000, 0x579754cd00000000, 0x6f3e767800000000, + 0x67dd164400000000, 0x7ff8b70000000000, 0x771bd73c00000000, + 0x4eac83b100000000, 0x464fe38d00000000, 0x5e6a42c900000000, + 0x568922f500000000, 0x6e20004000000000, 0x66c3607c00000000, + 0x7ee6c13800000000, 0x7605a10400000000, 0x92ec833100000000, + 0x9a0fe30d00000000, 0x822a424900000000, 0x8ac9227500000000, + 0xb26000c000000000, 0xba8360fc00000000, 0xa2a6c1b800000000, + 0xaa45a18400000000, 0x93f2f50900000000, 0x9b11953500000000, + 0x8334347100000000, 0x8bd7544d00000000, 0xb37e76f800000000, + 0xbb9d16c400000000, 0xa3b8b78000000000, 0xab5bd7bc00000000, + 0x90d06f4100000000, 0x98330f7d00000000, 0x8016ae3900000000, + 0x88f5ce0500000000, 0xb05cecb000000000, 0xb8bf8c8c00000000, + 0xa09a2dc800000000, 0xa8794df400000000, 0x91ce197900000000, + 0x992d794500000000, 0x8108d80100000000, 0x89ebb83d00000000, + 0xb1429a8800000000, 0xb9a1fab400000000, 0xa1845bf000000000, + 0xa9673bcc00000000, 0x96945bd000000000, 0x9e773bec00000000, + 0x86529aa800000000, 0x8eb1fa9400000000, 0xb618d82100000000, + 0xbefbb81d00000000, 0xa6de195900000000, 0xae3d796500000000, + 0x978a2de800000000, 0x9f694dd400000000, 0x874cec9000000000, + 0x8faf8cac00000000, 0xb706ae1900000000, 0xbfe5ce2500000000, + 0xa7c06f6100000000, 0xaf230f5d00000000, 0x94a8b7a000000000, + 0x9c4bd79c00000000, 0x846e76d800000000, 0x8c8d16e400000000, + 0xb424345100000000, 0xbcc7546d00000000, 0xa4e2f52900000000, + 0xac01951500000000, 0x95b6c19800000000, 0x9d55a1a400000000, + 0x857000e000000000, 0x8d9360dc00000000, 0xb53a426900000000, + 0xbdd9225500000000, 0xa5fc831100000000, 0xad1fe32d00000000, + 0xdb1a422900000000, 0xd3f9221500000000, 0xcbdc835100000000, + 0xc33fe36d00000000, 0xfb96c1d800000000, 0xf375a1e400000000, + 0xeb5000a000000000, 0xe3b3609c00000000, 0xda04341100000000, + 0xd2e7542d00000000, 0xcac2f56900000000, 0xc221955500000000, + 0xfa88b7e000000000, 0xf26bd7dc00000000, 0xea4e769800000000, + 0xe2ad16a400000000, 0xd926ae5900000000, 0xd1c5ce6500000000, + 0xc9e06f2100000000, 0xc1030f1d00000000, 0xf9aa2da800000000, + 0xf1494d9400000000, 0xe96cecd000000000, 0xe18f8cec00000000, + 0xd838d86100000000, 0xd0dbb85d00000000, 0xc8fe191900000000, + 0xc01d792500000000, 0xf8b45b9000000000, 0xf0573bac00000000, + 0xe8729ae800000000, 0xe091fad400000000, 0xdf629ac800000000, + 0xd781faf400000000, 0xcfa45bb000000000, 0xc7473b8c00000000, + 0xffee193900000000, 0xf70d790500000000, 0xef28d84100000000, + 0xe7cbb87d00000000, 0xde7cecf000000000, 0xd69f8ccc00000000, + 0xceba2d8800000000, 0xc6594db400000000, 0xfef06f0100000000, + 0xf6130f3d00000000, 0xee36ae7900000000, 0xe6d5ce4500000000, + 0xdd5e76b800000000, 0xd5bd168400000000, 0xcd98b7c000000000, + 0xc57bd7fc00000000, 0xfdd2f54900000000, 0xf531957500000000, + 0xed14343100000000, 0xe5f7540d00000000, 0xdc40008000000000, + 0xd4a360bc00000000, 0xcc86c1f800000000, 0xc465a1c400000000, + 0xfccc837100000000, 0xf42fe34d00000000, 0xec0a420900000000, + 0xe4e9223500000000}, + {0x0000000000000000, 0xd1e8e70e00000000, 0xa2d1cf1d00000000, + 0x7339281300000000, 0x44a39f3b00000000, 0x954b783500000000, + 0xe672502600000000, 0x379ab72800000000, 0x88463f7700000000, + 0x59aed87900000000, 0x2a97f06a00000000, 0xfb7f176400000000, + 0xcce5a04c00000000, 0x1d0d474200000000, 0x6e346f5100000000, + 0xbfdc885f00000000, 0x108d7eee00000000, 0xc16599e000000000, + 0xb25cb1f300000000, 0x63b456fd00000000, 0x542ee1d500000000, + 0x85c606db00000000, 0xf6ff2ec800000000, 0x2717c9c600000000, + 0x98cb419900000000, 0x4923a69700000000, 0x3a1a8e8400000000, + 0xebf2698a00000000, 0xdc68dea200000000, 0x0d8039ac00000000, + 0x7eb911bf00000000, 0xaf51f6b100000000, 0x611c8c0700000000, + 0xb0f46b0900000000, 0xc3cd431a00000000, 0x1225a41400000000, + 0x25bf133c00000000, 0xf457f43200000000, 0x876edc2100000000, + 0x56863b2f00000000, 0xe95ab37000000000, 0x38b2547e00000000, + 0x4b8b7c6d00000000, 0x9a639b6300000000, 0xadf92c4b00000000, + 0x7c11cb4500000000, 0x0f28e35600000000, 0xdec0045800000000, + 0x7191f2e900000000, 0xa07915e700000000, 0xd3403df400000000, + 0x02a8dafa00000000, 0x35326dd200000000, 0xe4da8adc00000000, + 0x97e3a2cf00000000, 0x460b45c100000000, 0xf9d7cd9e00000000, + 0x283f2a9000000000, 0x5b06028300000000, 0x8aeee58d00000000, + 0xbd7452a500000000, 0x6c9cb5ab00000000, 0x1fa59db800000000, + 0xce4d7ab600000000, 0xc238180f00000000, 0x13d0ff0100000000, + 0x60e9d71200000000, 0xb101301c00000000, 0x869b873400000000, + 0x5773603a00000000, 0x244a482900000000, 0xf5a2af2700000000, + 0x4a7e277800000000, 0x9b96c07600000000, 0xe8afe86500000000, + 0x39470f6b00000000, 0x0eddb84300000000, 0xdf355f4d00000000, + 0xac0c775e00000000, 0x7de4905000000000, 0xd2b566e100000000, + 0x035d81ef00000000, 0x7064a9fc00000000, 0xa18c4ef200000000, + 0x9616f9da00000000, 0x47fe1ed400000000, 0x34c736c700000000, + 0xe52fd1c900000000, 0x5af3599600000000, 0x8b1bbe9800000000, + 0xf822968b00000000, 0x29ca718500000000, 0x1e50c6ad00000000, + 0xcfb821a300000000, 0xbc8109b000000000, 0x6d69eebe00000000, + 0xa324940800000000, 0x72cc730600000000, 0x01f55b1500000000, + 0xd01dbc1b00000000, 0xe7870b3300000000, 0x366fec3d00000000, + 0x4556c42e00000000, 0x94be232000000000, 0x2b62ab7f00000000, + 0xfa8a4c7100000000, 0x89b3646200000000, 0x585b836c00000000, + 0x6fc1344400000000, 0xbe29d34a00000000, 0xcd10fb5900000000, + 0x1cf81c5700000000, 0xb3a9eae600000000, 0x62410de800000000, + 0x117825fb00000000, 0xc090c2f500000000, 0xf70a75dd00000000, + 0x26e292d300000000, 0x55dbbac000000000, 0x84335dce00000000, + 0x3befd59100000000, 0xea07329f00000000, 0x993e1a8c00000000, + 0x48d6fd8200000000, 0x7f4c4aaa00000000, 0xaea4ada400000000, + 0xdd9d85b700000000, 0x0c7562b900000000, 0x8471301e00000000, + 0x5599d71000000000, 0x26a0ff0300000000, 0xf748180d00000000, + 0xc0d2af2500000000, 0x113a482b00000000, 0x6203603800000000, + 0xb3eb873600000000, 0x0c370f6900000000, 0xdddfe86700000000, + 0xaee6c07400000000, 0x7f0e277a00000000, 0x4894905200000000, + 0x997c775c00000000, 0xea455f4f00000000, 0x3badb84100000000, + 0x94fc4ef000000000, 0x4514a9fe00000000, 0x362d81ed00000000, + 0xe7c566e300000000, 0xd05fd1cb00000000, 0x01b736c500000000, + 0x728e1ed600000000, 0xa366f9d800000000, 0x1cba718700000000, + 0xcd52968900000000, 0xbe6bbe9a00000000, 0x6f83599400000000, + 0x5819eebc00000000, 0x89f109b200000000, 0xfac821a100000000, + 0x2b20c6af00000000, 0xe56dbc1900000000, 0x34855b1700000000, + 0x47bc730400000000, 0x9654940a00000000, 0xa1ce232200000000, + 0x7026c42c00000000, 0x031fec3f00000000, 0xd2f70b3100000000, + 0x6d2b836e00000000, 0xbcc3646000000000, 0xcffa4c7300000000, + 0x1e12ab7d00000000, 0x29881c5500000000, 0xf860fb5b00000000, + 0x8b59d34800000000, 0x5ab1344600000000, 0xf5e0c2f700000000, + 0x240825f900000000, 0x57310dea00000000, 0x86d9eae400000000, + 0xb1435dcc00000000, 0x60abbac200000000, 0x139292d100000000, + 0xc27a75df00000000, 0x7da6fd8000000000, 0xac4e1a8e00000000, + 0xdf77329d00000000, 0x0e9fd59300000000, 0x390562bb00000000, + 0xe8ed85b500000000, 0x9bd4ada600000000, 0x4a3c4aa800000000, + 0x4649281100000000, 0x97a1cf1f00000000, 0xe498e70c00000000, + 0x3570000200000000, 0x02eab72a00000000, 0xd302502400000000, + 0xa03b783700000000, 0x71d39f3900000000, 0xce0f176600000000, + 0x1fe7f06800000000, 0x6cded87b00000000, 0xbd363f7500000000, + 0x8aac885d00000000, 0x5b446f5300000000, 0x287d474000000000, + 0xf995a04e00000000, 0x56c456ff00000000, 0x872cb1f100000000, + 0xf41599e200000000, 0x25fd7eec00000000, 0x1267c9c400000000, + 0xc38f2eca00000000, 0xb0b606d900000000, 0x615ee1d700000000, + 0xde82698800000000, 0x0f6a8e8600000000, 0x7c53a69500000000, + 0xadbb419b00000000, 0x9a21f6b300000000, 0x4bc911bd00000000, + 0x38f039ae00000000, 0xe918dea000000000, 0x2755a41600000000, + 0xf6bd431800000000, 0x85846b0b00000000, 0x546c8c0500000000, + 0x63f63b2d00000000, 0xb21edc2300000000, 0xc127f43000000000, + 0x10cf133e00000000, 0xaf139b6100000000, 0x7efb7c6f00000000, + 0x0dc2547c00000000, 0xdc2ab37200000000, 0xebb0045a00000000, + 0x3a58e35400000000, 0x4961cb4700000000, 0x98892c4900000000, + 0x37d8daf800000000, 0xe6303df600000000, 0x950915e500000000, + 0x44e1f2eb00000000, 0x737b45c300000000, 0xa293a2cd00000000, + 0xd1aa8ade00000000, 0x00426dd000000000, 0xbf9ee58f00000000, + 0x6e76028100000000, 0x1d4f2a9200000000, 0xcca7cd9c00000000, + 0xfb3d7ab400000000, 0x2ad59dba00000000, 0x59ecb5a900000000, + 0x880452a700000000}, + {0x0000000000000000, 0xaa05daf100000000, 0x150dc53800000000, + 0xbf081fc900000000, 0x2a1a8a7100000000, 0x801f508000000000, + 0x3f174f4900000000, 0x951295b800000000, 0x543414e300000000, + 0xfe31ce1200000000, 0x4139d1db00000000, 0xeb3c0b2a00000000, + 0x7e2e9e9200000000, 0xd42b446300000000, 0x6b235baa00000000, + 0xc126815b00000000, 0xe96e591d00000000, 0x436b83ec00000000, + 0xfc639c2500000000, 0x566646d400000000, 0xc374d36c00000000, + 0x6971099d00000000, 0xd679165400000000, 0x7c7ccca500000000, + 0xbd5a4dfe00000000, 0x175f970f00000000, 0xa85788c600000000, + 0x0252523700000000, 0x9740c78f00000000, 0x3d451d7e00000000, + 0x824d02b700000000, 0x2848d84600000000, 0xd2ddb23a00000000, + 0x78d868cb00000000, 0xc7d0770200000000, 0x6dd5adf300000000, + 0xf8c7384b00000000, 0x52c2e2ba00000000, 0xedcafd7300000000, + 0x47cf278200000000, 0x86e9a6d900000000, 0x2cec7c2800000000, + 0x93e463e100000000, 0x39e1b91000000000, 0xacf32ca800000000, + 0x06f6f65900000000, 0xb9fee99000000000, 0x13fb336100000000, + 0x3bb3eb2700000000, 0x91b631d600000000, 0x2ebe2e1f00000000, + 0x84bbf4ee00000000, 0x11a9615600000000, 0xbbacbba700000000, + 0x04a4a46e00000000, 0xaea17e9f00000000, 0x6f87ffc400000000, + 0xc582253500000000, 0x7a8a3afc00000000, 0xd08fe00d00000000, + 0x459d75b500000000, 0xef98af4400000000, 0x5090b08d00000000, + 0xfa956a7c00000000, 0xa4bb657500000000, 0x0ebebf8400000000, + 0xb1b6a04d00000000, 0x1bb37abc00000000, 0x8ea1ef0400000000, + 0x24a435f500000000, 0x9bac2a3c00000000, 0x31a9f0cd00000000, + 0xf08f719600000000, 0x5a8aab6700000000, 0xe582b4ae00000000, + 0x4f876e5f00000000, 0xda95fbe700000000, 0x7090211600000000, + 0xcf983edf00000000, 0x659de42e00000000, 0x4dd53c6800000000, + 0xe7d0e69900000000, 0x58d8f95000000000, 0xf2dd23a100000000, + 0x67cfb61900000000, 0xcdca6ce800000000, 0x72c2732100000000, + 0xd8c7a9d000000000, 0x19e1288b00000000, 0xb3e4f27a00000000, + 0x0cecedb300000000, 0xa6e9374200000000, 0x33fba2fa00000000, + 0x99fe780b00000000, 0x26f667c200000000, 0x8cf3bd3300000000, + 0x7666d74f00000000, 0xdc630dbe00000000, 0x636b127700000000, + 0xc96ec88600000000, 0x5c7c5d3e00000000, 0xf67987cf00000000, + 0x4971980600000000, 0xe37442f700000000, 0x2252c3ac00000000, + 0x8857195d00000000, 0x375f069400000000, 0x9d5adc6500000000, + 0x084849dd00000000, 0xa24d932c00000000, 0x1d458ce500000000, + 0xb740561400000000, 0x9f088e5200000000, 0x350d54a300000000, + 0x8a054b6a00000000, 0x2000919b00000000, 0xb512042300000000, + 0x1f17ded200000000, 0xa01fc11b00000000, 0x0a1a1bea00000000, + 0xcb3c9ab100000000, 0x6139404000000000, 0xde315f8900000000, + 0x7434857800000000, 0xe12610c000000000, 0x4b23ca3100000000, + 0xf42bd5f800000000, 0x5e2e0f0900000000, 0x4877cbea00000000, + 0xe272111b00000000, 0x5d7a0ed200000000, 0xf77fd42300000000, + 0x626d419b00000000, 0xc8689b6a00000000, 0x776084a300000000, + 0xdd655e5200000000, 0x1c43df0900000000, 0xb64605f800000000, + 0x094e1a3100000000, 0xa34bc0c000000000, 0x3659557800000000, + 0x9c5c8f8900000000, 0x2354904000000000, 0x89514ab100000000, + 0xa11992f700000000, 0x0b1c480600000000, 0xb41457cf00000000, + 0x1e118d3e00000000, 0x8b03188600000000, 0x2106c27700000000, + 0x9e0eddbe00000000, 0x340b074f00000000, 0xf52d861400000000, + 0x5f285ce500000000, 0xe020432c00000000, 0x4a2599dd00000000, + 0xdf370c6500000000, 0x7532d69400000000, 0xca3ac95d00000000, + 0x603f13ac00000000, 0x9aaa79d000000000, 0x30afa32100000000, + 0x8fa7bce800000000, 0x25a2661900000000, 0xb0b0f3a100000000, + 0x1ab5295000000000, 0xa5bd369900000000, 0x0fb8ec6800000000, + 0xce9e6d3300000000, 0x649bb7c200000000, 0xdb93a80b00000000, + 0x719672fa00000000, 0xe484e74200000000, 0x4e813db300000000, + 0xf189227a00000000, 0x5b8cf88b00000000, 0x73c420cd00000000, + 0xd9c1fa3c00000000, 0x66c9e5f500000000, 0xcccc3f0400000000, + 0x59deaabc00000000, 0xf3db704d00000000, 0x4cd36f8400000000, + 0xe6d6b57500000000, 0x27f0342e00000000, 0x8df5eedf00000000, + 0x32fdf11600000000, 0x98f82be700000000, 0x0deabe5f00000000, + 0xa7ef64ae00000000, 0x18e77b6700000000, 0xb2e2a19600000000, + 0xecccae9f00000000, 0x46c9746e00000000, 0xf9c16ba700000000, + 0x53c4b15600000000, 0xc6d624ee00000000, 0x6cd3fe1f00000000, + 0xd3dbe1d600000000, 0x79de3b2700000000, 0xb8f8ba7c00000000, + 0x12fd608d00000000, 0xadf57f4400000000, 0x07f0a5b500000000, + 0x92e2300d00000000, 0x38e7eafc00000000, 0x87eff53500000000, + 0x2dea2fc400000000, 0x05a2f78200000000, 0xafa72d7300000000, + 0x10af32ba00000000, 0xbaaae84b00000000, 0x2fb87df300000000, + 0x85bda70200000000, 0x3ab5b8cb00000000, 0x90b0623a00000000, + 0x5196e36100000000, 0xfb93399000000000, 0x449b265900000000, + 0xee9efca800000000, 0x7b8c691000000000, 0xd189b3e100000000, + 0x6e81ac2800000000, 0xc48476d900000000, 0x3e111ca500000000, + 0x9414c65400000000, 0x2b1cd99d00000000, 0x8119036c00000000, + 0x140b96d400000000, 0xbe0e4c2500000000, 0x010653ec00000000, + 0xab03891d00000000, 0x6a25084600000000, 0xc020d2b700000000, + 0x7f28cd7e00000000, 0xd52d178f00000000, 0x403f823700000000, + 0xea3a58c600000000, 0x5532470f00000000, 0xff379dfe00000000, + 0xd77f45b800000000, 0x7d7a9f4900000000, 0xc272808000000000, + 0x68775a7100000000, 0xfd65cfc900000000, 0x5760153800000000, + 0xe8680af100000000, 0x426dd00000000000, 0x834b515b00000000, + 0x294e8baa00000000, 0x9646946300000000, 0x3c434e9200000000, + 0xa951db2a00000000, 0x035401db00000000, 0xbc5c1e1200000000, + 0x1659c4e300000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xae689191, 0x87a02563, 0x29c8b4f2, 0xd4314c87, + 0x7a59dd16, 0x539169e4, 0xfdf9f875, 0x73139f4f, 0xdd7b0ede, + 0xf4b3ba2c, 0x5adb2bbd, 0xa722d3c8, 0x094a4259, 0x2082f6ab, + 0x8eea673a, 0xe6273e9e, 0x484faf0f, 0x61871bfd, 0xcfef8a6c, + 0x32167219, 0x9c7ee388, 0xb5b6577a, 0x1bdec6eb, 0x9534a1d1, + 0x3b5c3040, 0x129484b2, 0xbcfc1523, 0x4105ed56, 0xef6d7cc7, + 0xc6a5c835, 0x68cd59a4, 0x173f7b7d, 0xb957eaec, 0x909f5e1e, + 0x3ef7cf8f, 0xc30e37fa, 0x6d66a66b, 0x44ae1299, 0xeac68308, + 0x642ce432, 0xca4475a3, 0xe38cc151, 0x4de450c0, 0xb01da8b5, + 0x1e753924, 0x37bd8dd6, 0x99d51c47, 0xf11845e3, 0x5f70d472, + 0x76b86080, 0xd8d0f111, 0x25290964, 0x8b4198f5, 0xa2892c07, + 0x0ce1bd96, 0x820bdaac, 0x2c634b3d, 0x05abffcf, 0xabc36e5e, + 0x563a962b, 0xf85207ba, 0xd19ab348, 0x7ff222d9, 0x2e7ef6fa, + 0x8016676b, 0xa9ded399, 0x07b64208, 0xfa4fba7d, 0x54272bec, + 0x7def9f1e, 0xd3870e8f, 0x5d6d69b5, 0xf305f824, 0xdacd4cd6, + 0x74a5dd47, 0x895c2532, 0x2734b4a3, 0x0efc0051, 0xa09491c0, + 0xc859c864, 0x663159f5, 0x4ff9ed07, 0xe1917c96, 0x1c6884e3, + 0xb2001572, 0x9bc8a180, 0x35a03011, 0xbb4a572b, 0x1522c6ba, + 0x3cea7248, 0x9282e3d9, 0x6f7b1bac, 0xc1138a3d, 0xe8db3ecf, + 0x46b3af5e, 0x39418d87, 0x97291c16, 0xbee1a8e4, 0x10893975, + 0xed70c100, 0x43185091, 0x6ad0e463, 0xc4b875f2, 0x4a5212c8, + 0xe43a8359, 0xcdf237ab, 0x639aa63a, 0x9e635e4f, 0x300bcfde, + 0x19c37b2c, 0xb7abeabd, 0xdf66b319, 0x710e2288, 0x58c6967a, + 0xf6ae07eb, 0x0b57ff9e, 0xa53f6e0f, 0x8cf7dafd, 0x229f4b6c, + 0xac752c56, 0x021dbdc7, 0x2bd50935, 0x85bd98a4, 0x784460d1, + 0xd62cf140, 0xffe445b2, 0x518cd423, 0x5cfdedf4, 0xf2957c65, + 0xdb5dc897, 0x75355906, 0x88cca173, 0x26a430e2, 0x0f6c8410, + 0xa1041581, 0x2fee72bb, 0x8186e32a, 0xa84e57d8, 0x0626c649, + 0xfbdf3e3c, 0x55b7afad, 0x7c7f1b5f, 0xd2178ace, 0xbadad36a, + 0x14b242fb, 0x3d7af609, 0x93126798, 0x6eeb9fed, 0xc0830e7c, + 0xe94bba8e, 0x47232b1f, 0xc9c94c25, 0x67a1ddb4, 0x4e696946, + 0xe001f8d7, 0x1df800a2, 0xb3909133, 0x9a5825c1, 0x3430b450, + 0x4bc29689, 0xe5aa0718, 0xcc62b3ea, 0x620a227b, 0x9ff3da0e, + 0x319b4b9f, 0x1853ff6d, 0xb63b6efc, 0x38d109c6, 0x96b99857, + 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0x89212dd3, 0x54b7f456, 0x29c4f20e, + 0xf4522b8b, 0x49984745, 0x940e9ec0, 0x0779ed2f, 0xdaef34aa, + 0x67255864, 0xbab381e1, 0xc7c087b9, 0x1a565e3c, 0xa79c32f2, + 0x7a0aeb77, 0x5d7a3e42, 0x80ece7c7, 0x3d268b09, 0xe0b0528c, + 0x9dc354d4, 0x40558d51, 0xfd9fe19f, 0x2009381a, 0xbd8d91ab, + 0x601b482e, 0xddd124e0, 0x0047fd65, 0x7d34fb3d, 0xa0a222b8, + 0x1d684e76, 0xc0fe97f3, 0xe78e42c6, 0x3a189b43, 0x87d2f78d, + 0x5a442e08, 0x27372850, 0xfaa1f1d5, 0x476b9d1b, 0x9afd449e, + 0x098a3771, 0xd41ceef4, 0x69d6823a, 0xb4405bbf, 0xc9335de7, + 0x14a58462, 0xa96fe8ac, 0x74f93129, 0x5389e41c, 0x8e1f3d99, + 0x33d55157, 0xee4388d2, 0x93308e8a, 0x4ea6570f, 0xf36c3bc1, + 0x2efae244, 0x0ef3da5e, 0xd36503db, 0x6eaf6f15, 0xb339b690, + 0xce4ab0c8, 0x13dc694d, 0xae160583, 0x7380dc06, 0x54f00933, + 0x8966d0b6, 0x34acbc78, 0xe93a65fd, 0x944963a5, 0x49dfba20, + 0xf415d6ee, 0x29830f6b, 0xbaf47c84, 0x6762a501, 0xdaa8c9cf, + 0x073e104a, 0x7a4d1612, 0xa7dbcf97, 0x1a11a359, 0xc7877adc, + 0xe0f7afe9, 0x3d61766c, 0x80ab1aa2, 0x5d3dc327, 0x204ec57f, + 0xfdd81cfa, 0x40127034, 0x9d84a9b1, 0xa06a2517, 0x7dfcfc92, + 0xc036905c, 0x1da049d9, 0x60d34f81, 0xbd459604, 0x008ffaca, + 0xdd19234f, 0xfa69f67a, 0x27ff2fff, 0x9a354331, 0x47a39ab4, + 0x3ad09cec, 0xe7464569, 0x5a8c29a7, 0x871af022, 0x146d83cd, + 0xc9fb5a48, 0x74313686, 0xa9a7ef03, 0xd4d4e95b, 0x094230de, + 0xb4885c10, 0x691e8595, 0x4e6e50a0, 0x93f88925, 0x2e32e5eb, + 0xf3a43c6e, 0x8ed73a36, 0x5341e3b3, 0xee8b8f7d, 0x331d56f8, + 0x13146ee2, 0xce82b767, 0x7348dba9, 0xaede022c, 0xd3ad0474, + 0x0e3bddf1, 0xb3f1b13f, 0x6e6768ba, 0x4917bd8f, 0x9481640a, + 0x294b08c4, 0xf4ddd141, 0x89aed719, 0x54380e9c, 0xe9f26252, + 0x3464bbd7, 0xa713c838, 0x7a8511bd, 0xc74f7d73, 0x1ad9a4f6, + 0x67aaa2ae, 0xba3c7b2b, 0x07f617e5, 0xda60ce60, 0xfd101b55, + 0x2086c2d0, 0x9d4cae1e, 0x40da779b, 0x3da971c3, 0xe03fa846, + 0x5df5c488, 0x80631d0d, 0x1de7b4bc, 0xc0716d39, 0x7dbb01f7, + 0xa02dd872, 0xdd5ede2a, 0x00c807af, 0xbd026b61, 0x6094b2e4, + 0x47e467d1, 0x9a72be54, 0x27b8d29a, 0xfa2e0b1f, 0x875d0d47, + 0x5acbd4c2, 0xe701b80c, 0x3a976189, 0xa9e01266, 0x7476cbe3, + 0xc9bca72d, 0x142a7ea8, 0x695978f0, 0xb4cfa175, 0x0905cdbb, + 0xd493143e, 0xf3e3c10b, 0x2e75188e, 0x93bf7440, 0x4e29adc5, + 0x335aab9d, 0xeecc7218, 0x53061ed6, 0x8e90c753, 0xae99ff49, + 0x730f26cc, 0xcec54a02, 0x13539387, 0x6e2095df, 0xb3b64c5a, + 0x0e7c2094, 0xd3eaf911, 0xf49a2c24, 0x290cf5a1, 0x94c6996f, + 0x495040ea, 0x342346b2, 0xe9b59f37, 0x547ff3f9, 0x89e92a7c, + 0x1a9e5993, 0xc7088016, 0x7ac2ecd8, 0xa754355d, 0xda273305, + 0x07b1ea80, 0xba7b864e, 0x67ed5fcb, 0x409d8afe, 0x9d0b537b, + 0x20c13fb5, 0xfd57e630, 0x8024e068, 0x5db239ed, 0xe0785523, + 0x3dee8ca6}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x85d996dd, 0x4bb55c60, 0xce6ccabd, 0x966ab9c0, + 0x13b32f1d, 0xdddfe5a0, 0x5806737d, 0x6dd3035a, 0xe80a9587, + 0x26665f3a, 0xa3bfc9e7, 0xfbb9ba9a, 0x7e602c47, 0xb00ce6fa, + 0x35d57027, 0xdaa607b4, 0x5f7f9169, 0x91135bd4, 0x14cacd09, + 0x4cccbe74, 0xc91528a9, 0x0779e214, 0x82a074c9, 0xb77504ee, + 0x32ac9233, 0xfcc0588e, 0x7919ce53, 0x211fbd2e, 0xa4c62bf3, + 0x6aaae14e, 0xef737793, 0xf54b7eb3, 0x7092e86e, 0xbefe22d3, + 0x3b27b40e, 0x6321c773, 0xe6f851ae, 0x28949b13, 0xad4d0dce, + 0x98987de9, 0x1d41eb34, 0xd32d2189, 0x56f4b754, 0x0ef2c429, + 0x8b2b52f4, 0x45479849, 0xc09e0e94, 0x2fed7907, 0xaa34efda, + 0x64582567, 0xe181b3ba, 0xb987c0c7, 0x3c5e561a, 0xf2329ca7, + 0x77eb0a7a, 0x423e7a5d, 0xc7e7ec80, 0x098b263d, 0x8c52b0e0, + 0xd454c39d, 0x518d5540, 0x9fe19ffd, 0x1a380920, 0xab918dbd, + 0x2e481b60, 0xe024d1dd, 0x65fd4700, 0x3dfb347d, 0xb822a2a0, + 0x764e681d, 0xf397fec0, 0xc6428ee7, 0x439b183a, 0x8df7d287, + 0x082e445a, 0x50283727, 0xd5f1a1fa, 0x1b9d6b47, 0x9e44fd9a, + 0x71378a09, 0xf4ee1cd4, 0x3a82d669, 0xbf5b40b4, 0xe75d33c9, + 0x6284a514, 0xace86fa9, 0x2931f974, 0x1ce48953, 0x993d1f8e, + 0x5751d533, 0xd28843ee, 0x8a8e3093, 0x0f57a64e, 0xc13b6cf3, + 0x44e2fa2e, 0x5edaf30e, 0xdb0365d3, 0x156faf6e, 0x90b639b3, + 0xc8b04ace, 0x4d69dc13, 0x830516ae, 0x06dc8073, 0x3309f054, + 0xb6d06689, 0x78bcac34, 0xfd653ae9, 0xa5634994, 0x20badf49, + 0xeed615f4, 0x6b0f8329, 0x847cf4ba, 0x01a56267, 0xcfc9a8da, + 0x4a103e07, 0x12164d7a, 0x97cfdba7, 0x59a3111a, 0xdc7a87c7, + 0xe9aff7e0, 0x6c76613d, 0xa21aab80, 0x27c33d5d, 0x7fc54e20, + 0xfa1cd8fd, 0x34701240, 0xb1a9849d, 0x17256aa0, 0x92fcfc7d, + 0x5c9036c0, 0xd949a01d, 0x814fd360, 0x049645bd, 0xcafa8f00, + 0x4f2319dd, 0x7af669fa, 0xff2fff27, 0x3143359a, 0xb49aa347, + 0xec9cd03a, 0x694546e7, 0xa7298c5a, 0x22f01a87, 0xcd836d14, + 0x485afbc9, 0x86363174, 0x03efa7a9, 0x5be9d4d4, 0xde304209, + 0x105c88b4, 0x95851e69, 0xa0506e4e, 0x2589f893, 0xebe5322e, + 0x6e3ca4f3, 0x363ad78e, 0xb3e34153, 0x7d8f8bee, 0xf8561d33, + 0xe26e1413, 0x67b782ce, 0xa9db4873, 0x2c02deae, 0x7404add3, + 0xf1dd3b0e, 0x3fb1f1b3, 0xba68676e, 0x8fbd1749, 0x0a648194, + 0xc4084b29, 0x41d1ddf4, 0x19d7ae89, 0x9c0e3854, 0x5262f2e9, + 0xd7bb6434, 0x38c813a7, 0xbd11857a, 0x737d4fc7, 0xf6a4d91a, + 0xaea2aa67, 0x2b7b3cba, 0xe517f607, 0x60ce60da, 0x551b10fd, + 0xd0c28620, 0x1eae4c9d, 0x9b77da40, 0xc371a93d, 0x46a83fe0, + 0x88c4f55d, 0x0d1d6380, 0xbcb4e71d, 0x396d71c0, 0xf701bb7d, + 0x72d82da0, 0x2ade5edd, 0xaf07c800, 0x616b02bd, 0xe4b29460, + 0xd167e447, 0x54be729a, 0x9ad2b827, 0x1f0b2efa, 0x470d5d87, + 0xc2d4cb5a, 0x0cb801e7, 0x8961973a, 0x6612e0a9, 0xe3cb7674, + 0x2da7bcc9, 0xa87e2a14, 0xf0785969, 0x75a1cfb4, 0xbbcd0509, + 0x3e1493d4, 0x0bc1e3f3, 0x8e18752e, 0x4074bf93, 0xc5ad294e, + 0x9dab5a33, 0x1872ccee, 0xd61e0653, 0x53c7908e, 0x49ff99ae, + 0xcc260f73, 0x024ac5ce, 0x87935313, 0xdf95206e, 0x5a4cb6b3, + 0x94207c0e, 0x11f9ead3, 0x242c9af4, 0xa1f50c29, 0x6f99c694, + 0xea405049, 0xb2462334, 0x379fb5e9, 0xf9f37f54, 0x7c2ae989, + 0x93599e1a, 0x168008c7, 0xd8ecc27a, 0x5d3554a7, 0x053327da, + 0x80eab107, 0x4e867bba, 0xcb5fed67, 0xfe8a9d40, 0x7b530b9d, + 0xb53fc120, 0x30e657fd, 0x68e02480, 0xed39b25d, 0x235578e0, + 0xa68cee3d}, + {0x00000000, 0x76e10f9d, 0xadc46ee1, 0xdb25617c, 0x1b8fac19, + 0x6d6ea384, 0xb64bc2f8, 0xc0aacd65, 0x361e5933, 0x40ff56ae, + 0x9bda37d2, 0xed3b384f, 0x2d91f52a, 0x5b70fab7, 0x80559bcb, + 0xf6b49456, 0x6c3cb266, 0x1addbdfb, 0xc1f8dc87, 0xb719d31a, + 0x77b31e7f, 0x015211e2, 0xda77709e, 0xac967f03, 0x5a22eb55, + 0x2cc3e4c8, 0xf7e685b4, 0x81078a29, 0x41ad474c, 0x374c48d1, + 0xec6929ad, 0x9a882630, 0xd87864cd, 0xae996b50, 0x75bc0a2c, + 0x035d05b1, 0xc3f7c8d4, 0xb516c749, 0x6e33a635, 0x18d2a9a8, + 0xee663dfe, 0x98873263, 0x43a2531f, 0x35435c82, 0xf5e991e7, + 0x83089e7a, 0x582dff06, 0x2eccf09b, 0xb444d6ab, 0xc2a5d936, + 0x1980b84a, 0x6f61b7d7, 0xafcb7ab2, 0xd92a752f, 0x020f1453, + 0x74ee1bce, 0x825a8f98, 0xf4bb8005, 0x2f9ee179, 0x597feee4, + 0x99d52381, 0xef342c1c, 0x34114d60, 0x42f042fd, 0xf1f7b941, + 0x8716b6dc, 0x5c33d7a0, 0x2ad2d83d, 0xea781558, 0x9c991ac5, + 0x47bc7bb9, 0x315d7424, 0xc7e9e072, 0xb108efef, 0x6a2d8e93, + 0x1ccc810e, 0xdc664c6b, 0xaa8743f6, 0x71a2228a, 0x07432d17, + 0x9dcb0b27, 0xeb2a04ba, 0x300f65c6, 0x46ee6a5b, 0x8644a73e, + 0xf0a5a8a3, 0x2b80c9df, 0x5d61c642, 0xabd55214, 0xdd345d89, + 0x06113cf5, 0x70f03368, 0xb05afe0d, 0xc6bbf190, 0x1d9e90ec, + 0x6b7f9f71, 0x298fdd8c, 0x5f6ed211, 0x844bb36d, 0xf2aabcf0, + 0x32007195, 0x44e17e08, 0x9fc41f74, 0xe92510e9, 0x1f9184bf, + 0x69708b22, 0xb255ea5e, 0xc4b4e5c3, 0x041e28a6, 0x72ff273b, + 0xa9da4647, 0xdf3b49da, 0x45b36fea, 0x33526077, 0xe877010b, + 0x9e960e96, 0x5e3cc3f3, 0x28ddcc6e, 0xf3f8ad12, 0x8519a28f, + 0x73ad36d9, 0x054c3944, 0xde695838, 0xa88857a5, 0x68229ac0, + 0x1ec3955d, 0xc5e6f421, 0xb307fbbc, 0xe2ef7383, 0x940e7c1e, + 0x4f2b1d62, 0x39ca12ff, 0xf960df9a, 0x8f81d007, 0x54a4b17b, + 0x2245bee6, 0xd4f12ab0, 0xa210252d, 0x79354451, 0x0fd44bcc, + 0xcf7e86a9, 0xb99f8934, 0x62bae848, 0x145be7d5, 0x8ed3c1e5, + 0xf832ce78, 0x2317af04, 0x55f6a099, 0x955c6dfc, 0xe3bd6261, + 0x3898031d, 0x4e790c80, 0xb8cd98d6, 0xce2c974b, 0x1509f637, + 0x63e8f9aa, 0xa34234cf, 0xd5a33b52, 0x0e865a2e, 0x786755b3, + 0x3a97174e, 0x4c7618d3, 0x975379af, 0xe1b27632, 0x2118bb57, + 0x57f9b4ca, 0x8cdcd5b6, 0xfa3dda2b, 0x0c894e7d, 0x7a6841e0, + 0xa14d209c, 0xd7ac2f01, 0x1706e264, 0x61e7edf9, 0xbac28c85, + 0xcc238318, 0x56aba528, 0x204aaab5, 0xfb6fcbc9, 0x8d8ec454, + 0x4d240931, 0x3bc506ac, 0xe0e067d0, 0x9601684d, 0x60b5fc1b, + 0x1654f386, 0xcd7192fa, 0xbb909d67, 0x7b3a5002, 0x0ddb5f9f, + 0xd6fe3ee3, 0xa01f317e, 0x1318cac2, 0x65f9c55f, 0xbedca423, + 0xc83dabbe, 0x089766db, 0x7e766946, 0xa553083a, 0xd3b207a7, + 0x250693f1, 0x53e79c6c, 0x88c2fd10, 0xfe23f28d, 0x3e893fe8, + 0x48683075, 0x934d5109, 0xe5ac5e94, 0x7f2478a4, 0x09c57739, + 0xd2e01645, 0xa40119d8, 0x64abd4bd, 0x124adb20, 0xc96fba5c, + 0xbf8eb5c1, 0x493a2197, 0x3fdb2e0a, 0xe4fe4f76, 0x921f40eb, + 0x52b58d8e, 0x24548213, 0xff71e36f, 0x8990ecf2, 0xcb60ae0f, + 0xbd81a192, 0x66a4c0ee, 0x1045cf73, 0xd0ef0216, 0xa60e0d8b, + 0x7d2b6cf7, 0x0bca636a, 0xfd7ef73c, 0x8b9ff8a1, 0x50ba99dd, + 0x265b9640, 0xe6f15b25, 0x901054b8, 0x4b3535c4, 0x3dd43a59, + 0xa75c1c69, 0xd1bd13f4, 0x0a987288, 0x7c797d15, 0xbcd3b070, + 0xca32bfed, 0x1117de91, 0x67f6d10c, 0x9142455a, 0xe7a34ac7, + 0x3c862bbb, 0x4a672426, 0x8acde943, 0xfc2ce6de, 0x270987a2, + 0x51e8883f}, + {0x00000000, 0xe8dbfbb9, 0x91b186a8, 0x796a7d11, 0x63657c8a, + 0x8bbe8733, 0xf2d4fa22, 0x1a0f019b, 0x87cc89cf, 0x6f177276, + 0x167d0f67, 0xfea6f4de, 0xe4a9f545, 0x0c720efc, 0x751873ed, + 0x9dc38854, 0x4f9f6244, 0xa74499fd, 0xde2ee4ec, 0x36f51f55, + 0x2cfa1ece, 0xc421e577, 0xbd4b9866, 0x559063df, 0xc853eb8b, + 0x20881032, 0x59e26d23, 0xb139969a, 0xab369701, 0x43ed6cb8, + 0x3a8711a9, 0xd25cea10, 0x9e3ec588, 0x76e53e31, 0x0f8f4320, + 0xe754b899, 0xfd5bb902, 0x158042bb, 0x6cea3faa, 0x8431c413, + 0x19f24c47, 0xf129b7fe, 0x8843caef, 0x60983156, 0x7a9730cd, + 0x924ccb74, 0xeb26b665, 0x03fd4ddc, 0xd1a1a7cc, 0x397a5c75, + 0x40102164, 0xa8cbdadd, 0xb2c4db46, 0x5a1f20ff, 0x23755dee, + 0xcbaea657, 0x566d2e03, 0xbeb6d5ba, 0xc7dca8ab, 0x2f075312, + 0x35085289, 0xddd3a930, 0xa4b9d421, 0x4c622f98, 0x7d7bfbca, + 0x95a00073, 0xecca7d62, 0x041186db, 0x1e1e8740, 0xf6c57cf9, + 0x8faf01e8, 0x6774fa51, 0xfab77205, 0x126c89bc, 0x6b06f4ad, + 0x83dd0f14, 0x99d20e8f, 0x7109f536, 0x08638827, 0xe0b8739e, + 0x32e4998e, 0xda3f6237, 0xa3551f26, 0x4b8ee49f, 0x5181e504, + 0xb95a1ebd, 0xc03063ac, 0x28eb9815, 0xb5281041, 0x5df3ebf8, + 0x249996e9, 0xcc426d50, 0xd64d6ccb, 0x3e969772, 0x47fcea63, + 0xaf2711da, 0xe3453e42, 0x0b9ec5fb, 0x72f4b8ea, 0x9a2f4353, + 0x802042c8, 0x68fbb971, 0x1191c460, 0xf94a3fd9, 0x6489b78d, + 0x8c524c34, 0xf5383125, 0x1de3ca9c, 0x07eccb07, 0xef3730be, + 0x965d4daf, 0x7e86b616, 0xacda5c06, 0x4401a7bf, 0x3d6bdaae, + 0xd5b02117, 0xcfbf208c, 0x2764db35, 0x5e0ea624, 0xb6d55d9d, + 0x2b16d5c9, 0xc3cd2e70, 0xbaa75361, 0x527ca8d8, 0x4873a943, + 0xa0a852fa, 0xd9c22feb, 0x3119d452, 0xbbf0874e, 0x532b7cf7, + 0x2a4101e6, 0xc29afa5f, 0xd895fbc4, 0x304e007d, 0x49247d6c, + 0xa1ff86d5, 0x3c3c0e81, 0xd4e7f538, 0xad8d8829, 0x45567390, + 0x5f59720b, 0xb78289b2, 0xcee8f4a3, 0x26330f1a, 0xf46fe50a, + 0x1cb41eb3, 0x65de63a2, 0x8d05981b, 0x970a9980, 0x7fd16239, + 0x06bb1f28, 0xee60e491, 0x73a36cc5, 0x9b78977c, 0xe212ea6d, + 0x0ac911d4, 0x10c6104f, 0xf81debf6, 0x817796e7, 0x69ac6d5e, + 0x25ce42c6, 0xcd15b97f, 0xb47fc46e, 0x5ca43fd7, 0x46ab3e4c, + 0xae70c5f5, 0xd71ab8e4, 0x3fc1435d, 0xa202cb09, 0x4ad930b0, + 0x33b34da1, 0xdb68b618, 0xc167b783, 0x29bc4c3a, 0x50d6312b, + 0xb80dca92, 0x6a512082, 0x828adb3b, 0xfbe0a62a, 0x133b5d93, + 0x09345c08, 0xe1efa7b1, 0x9885daa0, 0x705e2119, 0xed9da94d, + 0x054652f4, 0x7c2c2fe5, 0x94f7d45c, 0x8ef8d5c7, 0x66232e7e, + 0x1f49536f, 0xf792a8d6, 0xc68b7c84, 0x2e50873d, 0x573afa2c, + 0xbfe10195, 0xa5ee000e, 0x4d35fbb7, 0x345f86a6, 0xdc847d1f, + 0x4147f54b, 0xa99c0ef2, 0xd0f673e3, 0x382d885a, 0x222289c1, + 0xcaf97278, 0xb3930f69, 0x5b48f4d0, 0x89141ec0, 0x61cfe579, + 0x18a59868, 0xf07e63d1, 0xea71624a, 0x02aa99f3, 0x7bc0e4e2, + 0x931b1f5b, 0x0ed8970f, 0xe6036cb6, 0x9f6911a7, 0x77b2ea1e, + 0x6dbdeb85, 0x8566103c, 0xfc0c6d2d, 0x14d79694, 0x58b5b90c, + 0xb06e42b5, 0xc9043fa4, 0x21dfc41d, 0x3bd0c586, 0xd30b3e3f, + 0xaa61432e, 0x42bab897, 0xdf7930c3, 0x37a2cb7a, 0x4ec8b66b, + 0xa6134dd2, 0xbc1c4c49, 0x54c7b7f0, 0x2dadcae1, 0xc5763158, + 0x172adb48, 0xfff120f1, 0x869b5de0, 0x6e40a659, 0x744fa7c2, + 0x9c945c7b, 0xe5fe216a, 0x0d25dad3, 0x90e65287, 0x783da93e, + 0x0157d42f, 0xe98c2f96, 0xf3832e0d, 0x1b58d5b4, 0x6232a8a5, + 0x8ae9531c}, + {0x00000000, 0x919168ae, 0x6325a087, 0xf2b4c829, 0x874c31d4, + 0x16dd597a, 0xe4699153, 0x75f8f9fd, 0x4f9f1373, 0xde0e7bdd, + 0x2cbab3f4, 0xbd2bdb5a, 0xc8d322a7, 0x59424a09, 0xabf68220, + 0x3a67ea8e, 0x9e3e27e6, 0x0faf4f48, 0xfd1b8761, 0x6c8aefcf, + 0x19721632, 0x88e37e9c, 0x7a57b6b5, 0xebc6de1b, 0xd1a13495, + 0x40305c3b, 0xb2849412, 0x2315fcbc, 0x56ed0541, 0xc77c6def, + 0x35c8a5c6, 0xa459cd68, 0x7d7b3f17, 0xecea57b9, 0x1e5e9f90, + 0x8fcff73e, 0xfa370ec3, 0x6ba6666d, 0x9912ae44, 0x0883c6ea, + 0x32e42c64, 0xa37544ca, 0x51c18ce3, 0xc050e44d, 0xb5a81db0, + 0x2439751e, 0xd68dbd37, 0x471cd599, 0xe34518f1, 0x72d4705f, + 0x8060b876, 0x11f1d0d8, 0x64092925, 0xf598418b, 0x072c89a2, + 0x96bde10c, 0xacda0b82, 0x3d4b632c, 0xcfffab05, 0x5e6ec3ab, + 0x2b963a56, 0xba0752f8, 0x48b39ad1, 0xd922f27f, 0xfaf67e2e, + 0x6b671680, 0x99d3dea9, 0x0842b607, 0x7dba4ffa, 0xec2b2754, + 0x1e9fef7d, 0x8f0e87d3, 0xb5696d5d, 0x24f805f3, 0xd64ccdda, + 0x47dda574, 0x32255c89, 0xa3b43427, 0x5100fc0e, 0xc09194a0, + 0x64c859c8, 0xf5593166, 0x07edf94f, 0x967c91e1, 0xe384681c, + 0x721500b2, 0x80a1c89b, 0x1130a035, 0x2b574abb, 0xbac62215, + 0x4872ea3c, 0xd9e38292, 0xac1b7b6f, 0x3d8a13c1, 0xcf3edbe8, + 0x5eafb346, 0x878d4139, 0x161c2997, 0xe4a8e1be, 0x75398910, + 0x00c170ed, 0x91501843, 0x63e4d06a, 0xf275b8c4, 0xc812524a, + 0x59833ae4, 0xab37f2cd, 0x3aa69a63, 0x4f5e639e, 0xdecf0b30, + 0x2c7bc319, 0xbdeaabb7, 0x19b366df, 0x88220e71, 0x7a96c658, + 0xeb07aef6, 0x9eff570b, 0x0f6e3fa5, 0xfddaf78c, 0x6c4b9f22, + 0x562c75ac, 0xc7bd1d02, 0x3509d52b, 0xa498bd85, 0xd1604478, + 0x40f12cd6, 0xb245e4ff, 0x23d48c51, 0xf4edfd5c, 0x657c95f2, + 0x97c85ddb, 0x06593575, 0x73a1cc88, 0xe230a426, 0x10846c0f, + 0x811504a1, 0xbb72ee2f, 0x2ae38681, 0xd8574ea8, 0x49c62606, + 0x3c3edffb, 0xadafb755, 0x5f1b7f7c, 0xce8a17d2, 0x6ad3daba, + 0xfb42b214, 0x09f67a3d, 0x98671293, 0xed9feb6e, 0x7c0e83c0, + 0x8eba4be9, 0x1f2b2347, 0x254cc9c9, 0xb4dda167, 0x4669694e, + 0xd7f801e0, 0xa200f81d, 0x339190b3, 0xc125589a, 0x50b43034, + 0x8996c24b, 0x1807aae5, 0xeab362cc, 0x7b220a62, 0x0edaf39f, + 0x9f4b9b31, 0x6dff5318, 0xfc6e3bb6, 0xc609d138, 0x5798b996, + 0xa52c71bf, 0x34bd1911, 0x4145e0ec, 0xd0d48842, 0x2260406b, + 0xb3f128c5, 0x17a8e5ad, 0x86398d03, 0x748d452a, 0xe51c2d84, + 0x90e4d479, 0x0175bcd7, 0xf3c174fe, 0x62501c50, 0x5837f6de, + 0xc9a69e70, 0x3b125659, 0xaa833ef7, 0xdf7bc70a, 0x4eeaafa4, + 0xbc5e678d, 0x2dcf0f23, 0x0e1b8372, 0x9f8aebdc, 0x6d3e23f5, + 0xfcaf4b5b, 0x8957b2a6, 0x18c6da08, 0xea721221, 0x7be37a8f, + 0x41849001, 0xd015f8af, 0x22a13086, 0xb3305828, 0xc6c8a1d5, + 0x5759c97b, 0xa5ed0152, 0x347c69fc, 0x9025a494, 0x01b4cc3a, + 0xf3000413, 0x62916cbd, 0x17699540, 0x86f8fdee, 0x744c35c7, + 0xe5dd5d69, 0xdfbab7e7, 0x4e2bdf49, 0xbc9f1760, 0x2d0e7fce, + 0x58f68633, 0xc967ee9d, 0x3bd326b4, 0xaa424e1a, 0x7360bc65, + 0xe2f1d4cb, 0x10451ce2, 0x81d4744c, 0xf42c8db1, 0x65bde51f, + 0x97092d36, 0x06984598, 0x3cffaf16, 0xad6ec7b8, 0x5fda0f91, + 0xce4b673f, 0xbbb39ec2, 0x2a22f66c, 0xd8963e45, 0x490756eb, + 0xed5e9b83, 0x7ccff32d, 0x8e7b3b04, 0x1fea53aa, 0x6a12aa57, + 0xfb83c2f9, 0x09370ad0, 0x98a6627e, 0xa2c188f0, 0x3350e05e, + 0xc1e42877, 0x507540d9, 0x258db924, 0xb41cd18a, 0x46a819a3, + 0xd739710d}}; + +#endif + +#endif + +#if N == 5 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0xaf449247, 0x85f822cf, 0x2abcb088, 0xd08143df, + 0x7fc5d198, 0x55796110, 0xfa3df357, 0x7a7381ff, 0xd53713b8, + 0xff8ba330, 0x50cf3177, 0xaaf2c220, 0x05b65067, 0x2f0ae0ef, + 0x804e72a8, 0xf4e703fe, 0x5ba391b9, 0x711f2131, 0xde5bb376, + 0x24664021, 0x8b22d266, 0xa19e62ee, 0x0edaf0a9, 0x8e948201, + 0x21d01046, 0x0b6ca0ce, 0xa4283289, 0x5e15c1de, 0xf1515399, + 0xdbede311, 0x74a97156, 0x32bf01bd, 0x9dfb93fa, 0xb7472372, + 0x1803b135, 0xe23e4262, 0x4d7ad025, 0x67c660ad, 0xc882f2ea, + 0x48cc8042, 0xe7881205, 0xcd34a28d, 0x627030ca, 0x984dc39d, + 0x370951da, 0x1db5e152, 0xb2f17315, 0xc6580243, 0x691c9004, + 0x43a0208c, 0xece4b2cb, 0x16d9419c, 0xb99dd3db, 0x93216353, + 0x3c65f114, 0xbc2b83bc, 0x136f11fb, 0x39d3a173, 0x96973334, + 0x6caac063, 0xc3ee5224, 0xe952e2ac, 0x461670eb, 0x657e037a, + 0xca3a913d, 0xe08621b5, 0x4fc2b3f2, 0xb5ff40a5, 0x1abbd2e2, + 0x3007626a, 0x9f43f02d, 0x1f0d8285, 0xb04910c2, 0x9af5a04a, + 0x35b1320d, 0xcf8cc15a, 0x60c8531d, 0x4a74e395, 0xe53071d2, + 0x91990084, 0x3edd92c3, 0x1461224b, 0xbb25b00c, 0x4118435b, + 0xee5cd11c, 0xc4e06194, 0x6ba4f3d3, 0xebea817b, 0x44ae133c, + 0x6e12a3b4, 0xc15631f3, 0x3b6bc2a4, 0x942f50e3, 0xbe93e06b, + 0x11d7722c, 0x57c102c7, 0xf8859080, 0xd2392008, 0x7d7db24f, + 0x87404118, 0x2804d35f, 0x02b863d7, 0xadfcf190, 0x2db28338, + 0x82f6117f, 0xa84aa1f7, 0x070e33b0, 0xfd33c0e7, 0x527752a0, + 0x78cbe228, 0xd78f706f, 0xa3260139, 0x0c62937e, 0x26de23f6, + 0x899ab1b1, 0x73a742e6, 0xdce3d0a1, 0xf65f6029, 0x591bf26e, + 0xd95580c6, 0x76111281, 0x5cada209, 0xf3e9304e, 0x09d4c319, + 0xa690515e, 0x8c2ce1d6, 0x23687391, 0xcafc06f4, 0x65b894b3, + 0x4f04243b, 0xe040b67c, 0x1a7d452b, 0xb539d76c, 0x9f8567e4, + 0x30c1f5a3, 0xb08f870b, 0x1fcb154c, 0x3577a5c4, 0x9a333783, + 0x600ec4d4, 0xcf4a5693, 0xe5f6e61b, 0x4ab2745c, 0x3e1b050a, + 0x915f974d, 0xbbe327c5, 0x14a7b582, 0xee9a46d5, 0x41ded492, + 0x6b62641a, 0xc426f65d, 0x446884f5, 0xeb2c16b2, 0xc190a63a, + 0x6ed4347d, 0x94e9c72a, 0x3bad556d, 0x1111e5e5, 0xbe5577a2, + 0xf8430749, 0x5707950e, 0x7dbb2586, 0xd2ffb7c1, 0x28c24496, + 0x8786d6d1, 0xad3a6659, 0x027ef41e, 0x823086b6, 0x2d7414f1, + 0x07c8a479, 0xa88c363e, 0x52b1c569, 0xfdf5572e, 0xd749e7a6, + 0x780d75e1, 0x0ca404b7, 0xa3e096f0, 0x895c2678, 0x2618b43f, + 0xdc254768, 0x7361d52f, 0x59dd65a7, 0xf699f7e0, 0x76d78548, + 0xd993170f, 0xf32fa787, 0x5c6b35c0, 0xa656c697, 0x091254d0, + 0x23aee458, 0x8cea761f, 0xaf82058e, 0x00c697c9, 0x2a7a2741, + 0x853eb506, 0x7f034651, 0xd047d416, 0xfafb649e, 0x55bff6d9, + 0xd5f18471, 0x7ab51636, 0x5009a6be, 0xff4d34f9, 0x0570c7ae, + 0xaa3455e9, 0x8088e561, 0x2fcc7726, 0x5b650670, 0xf4219437, + 0xde9d24bf, 0x71d9b6f8, 0x8be445af, 0x24a0d7e8, 0x0e1c6760, + 0xa158f527, 0x2116878f, 0x8e5215c8, 0xa4eea540, 0x0baa3707, + 0xf197c450, 0x5ed35617, 0x746fe69f, 0xdb2b74d8, 0x9d3d0433, + 0x32799674, 0x18c526fc, 0xb781b4bb, 0x4dbc47ec, 0xe2f8d5ab, + 0xc8446523, 0x6700f764, 0xe74e85cc, 0x480a178b, 0x62b6a703, + 0xcdf23544, 0x37cfc613, 0x988b5454, 0xb237e4dc, 0x1d73769b, + 0x69da07cd, 0xc69e958a, 0xec222502, 0x4366b745, 0xb95b4412, + 0x161fd655, 0x3ca366dd, 0x93e7f49a, 0x13a98632, 0xbced1475, + 0x9651a4fd, 0x391536ba, 0xc328c5ed, 0x6c6c57aa, 0x46d0e722, + 0xe9947565}, + {0x00000000, 0x4e890ba9, 0x9d121752, 0xd39b1cfb, 0xe15528e5, + 0xafdc234c, 0x7c473fb7, 0x32ce341e, 0x19db578b, 0x57525c22, + 0x84c940d9, 0xca404b70, 0xf88e7f6e, 0xb60774c7, 0x659c683c, + 0x2b156395, 0x33b6af16, 0x7d3fa4bf, 0xaea4b844, 0xe02db3ed, + 0xd2e387f3, 0x9c6a8c5a, 0x4ff190a1, 0x01789b08, 0x2a6df89d, + 0x64e4f334, 0xb77fefcf, 0xf9f6e466, 0xcb38d078, 0x85b1dbd1, + 0x562ac72a, 0x18a3cc83, 0x676d5e2c, 0x29e45585, 0xfa7f497e, + 0xb4f642d7, 0x863876c9, 0xc8b17d60, 0x1b2a619b, 0x55a36a32, + 0x7eb609a7, 0x303f020e, 0xe3a41ef5, 0xad2d155c, 0x9fe32142, + 0xd16a2aeb, 0x02f13610, 0x4c783db9, 0x54dbf13a, 0x1a52fa93, + 0xc9c9e668, 0x8740edc1, 0xb58ed9df, 0xfb07d276, 0x289cce8d, + 0x6615c524, 0x4d00a6b1, 0x0389ad18, 0xd012b1e3, 0x9e9bba4a, + 0xac558e54, 0xe2dc85fd, 0x31479906, 0x7fce92af, 0xcedabc58, + 0x8053b7f1, 0x53c8ab0a, 0x1d41a0a3, 0x2f8f94bd, 0x61069f14, + 0xb29d83ef, 0xfc148846, 0xd701ebd3, 0x9988e07a, 0x4a13fc81, + 0x049af728, 0x3654c336, 0x78ddc89f, 0xab46d464, 0xe5cfdfcd, + 0xfd6c134e, 0xb3e518e7, 0x607e041c, 0x2ef70fb5, 0x1c393bab, + 0x52b03002, 0x812b2cf9, 0xcfa22750, 0xe4b744c5, 0xaa3e4f6c, + 0x79a55397, 0x372c583e, 0x05e26c20, 0x4b6b6789, 0x98f07b72, + 0xd67970db, 0xa9b7e274, 0xe73ee9dd, 0x34a5f526, 0x7a2cfe8f, + 0x48e2ca91, 0x066bc138, 0xd5f0ddc3, 0x9b79d66a, 0xb06cb5ff, + 0xfee5be56, 0x2d7ea2ad, 0x63f7a904, 0x51399d1a, 0x1fb096b3, + 0xcc2b8a48, 0x82a281e1, 0x9a014d62, 0xd48846cb, 0x07135a30, + 0x499a5199, 0x7b546587, 0x35dd6e2e, 0xe64672d5, 0xa8cf797c, + 0x83da1ae9, 0xcd531140, 0x1ec80dbb, 0x50410612, 0x628f320c, + 0x2c0639a5, 0xff9d255e, 0xb1142ef7, 0x46c47ef1, 0x084d7558, + 0xdbd669a3, 0x955f620a, 0xa7915614, 0xe9185dbd, 0x3a834146, + 0x740a4aef, 0x5f1f297a, 0x119622d3, 0xc20d3e28, 0x8c843581, + 0xbe4a019f, 0xf0c30a36, 0x235816cd, 0x6dd11d64, 0x7572d1e7, + 0x3bfbda4e, 0xe860c6b5, 0xa6e9cd1c, 0x9427f902, 0xdaaef2ab, + 0x0935ee50, 0x47bce5f9, 0x6ca9866c, 0x22208dc5, 0xf1bb913e, + 0xbf329a97, 0x8dfcae89, 0xc375a520, 0x10eeb9db, 0x5e67b272, + 0x21a920dd, 0x6f202b74, 0xbcbb378f, 0xf2323c26, 0xc0fc0838, + 0x8e750391, 0x5dee1f6a, 0x136714c3, 0x38727756, 0x76fb7cff, + 0xa5606004, 0xebe96bad, 0xd9275fb3, 0x97ae541a, 0x443548e1, + 0x0abc4348, 0x121f8fcb, 0x5c968462, 0x8f0d9899, 0xc1849330, + 0xf34aa72e, 0xbdc3ac87, 0x6e58b07c, 0x20d1bbd5, 0x0bc4d840, + 0x454dd3e9, 0x96d6cf12, 0xd85fc4bb, 0xea91f0a5, 0xa418fb0c, + 0x7783e7f7, 0x390aec5e, 0x881ec2a9, 0xc697c900, 0x150cd5fb, + 0x5b85de52, 0x694bea4c, 0x27c2e1e5, 0xf459fd1e, 0xbad0f6b7, + 0x91c59522, 0xdf4c9e8b, 0x0cd78270, 0x425e89d9, 0x7090bdc7, + 0x3e19b66e, 0xed82aa95, 0xa30ba13c, 0xbba86dbf, 0xf5216616, + 0x26ba7aed, 0x68337144, 0x5afd455a, 0x14744ef3, 0xc7ef5208, + 0x896659a1, 0xa2733a34, 0xecfa319d, 0x3f612d66, 0x71e826cf, + 0x432612d1, 0x0daf1978, 0xde340583, 0x90bd0e2a, 0xef739c85, + 0xa1fa972c, 0x72618bd7, 0x3ce8807e, 0x0e26b460, 0x40afbfc9, + 0x9334a332, 0xddbda89b, 0xf6a8cb0e, 0xb821c0a7, 0x6bbadc5c, + 0x2533d7f5, 0x17fde3eb, 0x5974e842, 0x8aeff4b9, 0xc466ff10, + 0xdcc53393, 0x924c383a, 0x41d724c1, 0x0f5e2f68, 0x3d901b76, + 0x731910df, 0xa0820c24, 0xee0b078d, 0xc51e6418, 0x8b976fb1, + 0x580c734a, 0x168578e3, 0x244b4cfd, 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0x16d5187b, 0x72356385, 0xe745b710, 0x67cf0be4, 0xf2bfdf71, + 0x965fa48f, 0x032f701a, 0x5f9f5373, 0xcaef87e6, 0xae0ffc18, + 0x3b7f288d, 0x176fbaca, 0x821f6e5f, 0xe6ff15a1, 0x738fc134, + 0x2f3fe25d, 0xba4f36c8, 0xdeaf4d36, 0x4bdf99a3, 0x868e69b8, + 0x13febd2d, 0x771ec6d3, 0xe26e1246, 0xbede312f, 0x2baee5ba, + 0x4f4e9e44, 0xda3e4ad1, 0xf62ed896, 0x635e0c03, 0x07be77fd, + 0x92cea368, 0xce7e8001, 0x5b0e5494, 0x3fee2f6a, 0xaa9efbff, + 0x7e3cc91d, 0xeb4c1d88, 0x8fac6676, 0x1adcb2e3, 0x466c918a, + 0xd31c451f, 0xb7fc3ee1, 0x228cea74, 0x0e9c7833, 0x9becaca6, + 0xff0cd758, 0x6a7c03cd, 0x36cc20a4, 0xa3bcf431, 0xc75c8fcf, + 0x522c5b5a, 0x9f7dab41, 0x0a0d7fd4, 0x6eed042a, 0xfb9dd0bf, + 0xa72df3d6, 0x325d2743, 0x56bd5cbd, 0xc3cd8828, 0xefdd1a6f, + 0x7aadcefa, 0x1e4db504, 0x8b3d6191, 0xd78d42f8, 0x42fd966d, + 0x261ded93, 0xb36d3906, 0x54288e16, 0xc1585a83, 0xa5b8217d, + 0x30c8f5e8, 0x6c78d681, 0xf9080214, 0x9de879ea, 0x0898ad7f, + 0x24883f38, 0xb1f8ebad, 0xd5189053, 0x406844c6, 0x1cd867af, + 0x89a8b33a, 0xed48c8c4, 0x78381c51, 0xb569ec4a, 0x201938df, + 0x44f94321, 0xd18997b4, 0x8d39b4dd, 0x18496048, 0x7ca91bb6, + 0xe9d9cf23, 0xc5c95d64, 0x50b989f1, 0x3459f20f, 0xa129269a, + 0xfd9905f3, 0x68e9d166, 0x0c09aa98, 0x99797e0d, 0x4ddb4cef, + 0xd8ab987a, 0xbc4be384, 0x293b3711, 0x758b1478, 0xe0fbc0ed, + 0x841bbb13, 0x116b6f86, 0x3d7bfdc1, 0xa80b2954, 0xcceb52aa, + 0x599b863f, 0x052ba556, 0x905b71c3, 0xf4bb0a3d, 0x61cbdea8, + 0xac9a2eb3, 0x39eafa26, 0x5d0a81d8, 0xc87a554d, 0x94ca7624, + 0x01baa2b1, 0x655ad94f, 0xf02a0dda, 0xdc3a9f9d, 0x494a4b08, + 0x2daa30f6, 0xb8dae463, 0xe46ac70a, 0x711a139f, 0x15fa6861, + 0x808abcf4}, + {0x00000000, 0xcf9e17c8, 0x444d29d1, 0x8bd33e19, 0x889a53a2, + 0x4704446a, 0xccd77a73, 0x03496dbb, 0xca45a105, 0x05dbb6cd, + 0x8e0888d4, 0x41969f1c, 0x42dff2a7, 0x8d41e56f, 0x0692db76, + 0xc90cccbe, 0x4ffa444b, 0x80645383, 0x0bb76d9a, 0xc4297a52, + 0xc76017e9, 0x08fe0021, 0x832d3e38, 0x4cb329f0, 0x85bfe54e, + 0x4a21f286, 0xc1f2cc9f, 0x0e6cdb57, 0x0d25b6ec, 0xc2bba124, + 0x49689f3d, 0x86f688f5, 0x9ff48896, 0x506a9f5e, 0xdbb9a147, + 0x1427b68f, 0x176edb34, 0xd8f0ccfc, 0x5323f2e5, 0x9cbde52d, + 0x55b12993, 0x9a2f3e5b, 0x11fc0042, 0xde62178a, 0xdd2b7a31, + 0x12b56df9, 0x996653e0, 0x56f84428, 0xd00eccdd, 0x1f90db15, + 0x9443e50c, 0x5bddf2c4, 0x58949f7f, 0x970a88b7, 0x1cd9b6ae, + 0xd347a166, 0x1a4b6dd8, 0xd5d57a10, 0x5e064409, 0x919853c1, + 0x92d13e7a, 0x5d4f29b2, 0xd69c17ab, 0x19020063, 0xe498176d, + 0x2b0600a5, 0xa0d53ebc, 0x6f4b2974, 0x6c0244cf, 0xa39c5307, + 0x284f6d1e, 0xe7d17ad6, 0x2eddb668, 0xe143a1a0, 0x6a909fb9, + 0xa50e8871, 0xa647e5ca, 0x69d9f202, 0xe20acc1b, 0x2d94dbd3, + 0xab625326, 0x64fc44ee, 0xef2f7af7, 0x20b16d3f, 0x23f80084, + 0xec66174c, 0x67b52955, 0xa82b3e9d, 0x6127f223, 0xaeb9e5eb, + 0x256adbf2, 0xeaf4cc3a, 0xe9bda181, 0x2623b649, 0xadf08850, + 0x626e9f98, 0x7b6c9ffb, 0xb4f28833, 0x3f21b62a, 0xf0bfa1e2, + 0xf3f6cc59, 0x3c68db91, 0xb7bbe588, 0x7825f240, 0xb1293efe, + 0x7eb72936, 0xf564172f, 0x3afa00e7, 0x39b36d5c, 0xf62d7a94, + 0x7dfe448d, 0xb2605345, 0x3496dbb0, 0xfb08cc78, 0x70dbf261, + 0xbf45e5a9, 0xbc0c8812, 0x73929fda, 0xf841a1c3, 0x37dfb60b, + 0xfed37ab5, 0x314d6d7d, 0xba9e5364, 0x750044ac, 0x76492917, + 0xb9d73edf, 0x320400c6, 0xfd9a170e, 0x1241289b, 0xdddf3f53, + 0x560c014a, 0x99921682, 0x9adb7b39, 0x55456cf1, 0xde9652e8, + 0x11084520, 0xd804899e, 0x179a9e56, 0x9c49a04f, 0x53d7b787, + 0x509eda3c, 0x9f00cdf4, 0x14d3f3ed, 0xdb4de425, 0x5dbb6cd0, + 0x92257b18, 0x19f64501, 0xd66852c9, 0xd5213f72, 0x1abf28ba, + 0x916c16a3, 0x5ef2016b, 0x97fecdd5, 0x5860da1d, 0xd3b3e404, + 0x1c2df3cc, 0x1f649e77, 0xd0fa89bf, 0x5b29b7a6, 0x94b7a06e, + 0x8db5a00d, 0x422bb7c5, 0xc9f889dc, 0x06669e14, 0x052ff3af, + 0xcab1e467, 0x4162da7e, 0x8efccdb6, 0x47f00108, 0x886e16c0, + 0x03bd28d9, 0xcc233f11, 0xcf6a52aa, 0x00f44562, 0x8b277b7b, + 0x44b96cb3, 0xc24fe446, 0x0dd1f38e, 0x8602cd97, 0x499cda5f, + 0x4ad5b7e4, 0x854ba02c, 0x0e989e35, 0xc10689fd, 0x080a4543, + 0xc794528b, 0x4c476c92, 0x83d97b5a, 0x809016e1, 0x4f0e0129, + 0xc4dd3f30, 0x0b4328f8, 0xf6d93ff6, 0x3947283e, 0xb2941627, + 0x7d0a01ef, 0x7e436c54, 0xb1dd7b9c, 0x3a0e4585, 0xf590524d, + 0x3c9c9ef3, 0xf302893b, 0x78d1b722, 0xb74fa0ea, 0xb406cd51, + 0x7b98da99, 0xf04be480, 0x3fd5f348, 0xb9237bbd, 0x76bd6c75, + 0xfd6e526c, 0x32f045a4, 0x31b9281f, 0xfe273fd7, 0x75f401ce, + 0xba6a1606, 0x7366dab8, 0xbcf8cd70, 0x372bf369, 0xf8b5e4a1, + 0xfbfc891a, 0x34629ed2, 0xbfb1a0cb, 0x702fb703, 0x692db760, + 0xa6b3a0a8, 0x2d609eb1, 0xe2fe8979, 0xe1b7e4c2, 0x2e29f30a, + 0xa5facd13, 0x6a64dadb, 0xa3681665, 0x6cf601ad, 0xe7253fb4, + 0x28bb287c, 0x2bf245c7, 0xe46c520f, 0x6fbf6c16, 0xa0217bde, + 0x26d7f32b, 0xe949e4e3, 0x629adafa, 0xad04cd32, 0xae4da089, + 0x61d3b741, 0xea008958, 0x259e9e90, 0xec92522e, 0x230c45e6, + 0xa8df7bff, 0x67416c37, 0x6408018c, 0xab961644, 0x2045285d, + 0xefdb3f95}, + {0x00000000, 0x24825136, 0x4904a26c, 0x6d86f35a, 0x920944d8, + 0xb68b15ee, 0xdb0de6b4, 0xff8fb782, 0xff638ff1, 0xdbe1dec7, + 0xb6672d9d, 0x92e57cab, 0x6d6acb29, 0x49e89a1f, 0x246e6945, + 0x00ec3873, 0x25b619a3, 0x01344895, 0x6cb2bbcf, 0x4830eaf9, + 0xb7bf5d7b, 0x933d0c4d, 0xfebbff17, 0xda39ae21, 0xdad59652, + 0xfe57c764, 0x93d1343e, 0xb7536508, 0x48dcd28a, 0x6c5e83bc, + 0x01d870e6, 0x255a21d0, 0x4b6c3346, 0x6fee6270, 0x0268912a, + 0x26eac01c, 0xd965779e, 0xfde726a8, 0x9061d5f2, 0xb4e384c4, + 0xb40fbcb7, 0x908ded81, 0xfd0b1edb, 0xd9894fed, 0x2606f86f, + 0x0284a959, 0x6f025a03, 0x4b800b35, 0x6eda2ae5, 0x4a587bd3, + 0x27de8889, 0x035cd9bf, 0xfcd36e3d, 0xd8513f0b, 0xb5d7cc51, + 0x91559d67, 0x91b9a514, 0xb53bf422, 0xd8bd0778, 0xfc3f564e, + 0x03b0e1cc, 0x2732b0fa, 0x4ab443a0, 0x6e361296, 0x96d8668c, + 0xb25a37ba, 0xdfdcc4e0, 0xfb5e95d6, 0x04d12254, 0x20537362, + 0x4dd58038, 0x6957d10e, 0x69bbe97d, 0x4d39b84b, 0x20bf4b11, + 0x043d1a27, 0xfbb2ada5, 0xdf30fc93, 0xb2b60fc9, 0x96345eff, + 0xb36e7f2f, 0x97ec2e19, 0xfa6add43, 0xdee88c75, 0x21673bf7, + 0x05e56ac1, 0x6863999b, 0x4ce1c8ad, 0x4c0df0de, 0x688fa1e8, + 0x050952b2, 0x218b0384, 0xde04b406, 0xfa86e530, 0x9700166a, + 0xb382475c, 0xddb455ca, 0xf93604fc, 0x94b0f7a6, 0xb032a690, + 0x4fbd1112, 0x6b3f4024, 0x06b9b37e, 0x223be248, 0x22d7da3b, + 0x06558b0d, 0x6bd37857, 0x4f512961, 0xb0de9ee3, 0x945ccfd5, + 0xf9da3c8f, 0xdd586db9, 0xf8024c69, 0xdc801d5f, 0xb106ee05, + 0x9584bf33, 0x6a0b08b1, 0x4e895987, 0x230faadd, 0x078dfbeb, + 0x0761c398, 0x23e392ae, 0x4e6561f4, 0x6ae730c2, 0x95688740, + 0xb1ead676, 0xdc6c252c, 0xf8ee741a, 0xf6c1cb59, 0xd2439a6f, + 0xbfc56935, 0x9b473803, 0x64c88f81, 0x404adeb7, 0x2dcc2ded, + 0x094e7cdb, 0x09a244a8, 0x2d20159e, 0x40a6e6c4, 0x6424b7f2, + 0x9bab0070, 0xbf295146, 0xd2afa21c, 0xf62df32a, 0xd377d2fa, + 0xf7f583cc, 0x9a737096, 0xbef121a0, 0x417e9622, 0x65fcc714, + 0x087a344e, 0x2cf86578, 0x2c145d0b, 0x08960c3d, 0x6510ff67, + 0x4192ae51, 0xbe1d19d3, 0x9a9f48e5, 0xf719bbbf, 0xd39bea89, + 0xbdadf81f, 0x992fa929, 0xf4a95a73, 0xd02b0b45, 0x2fa4bcc7, + 0x0b26edf1, 0x66a01eab, 0x42224f9d, 0x42ce77ee, 0x664c26d8, + 0x0bcad582, 0x2f4884b4, 0xd0c73336, 0xf4456200, 0x99c3915a, + 0xbd41c06c, 0x981be1bc, 0xbc99b08a, 0xd11f43d0, 0xf59d12e6, + 0x0a12a564, 0x2e90f452, 0x43160708, 0x6794563e, 0x67786e4d, + 0x43fa3f7b, 0x2e7ccc21, 0x0afe9d17, 0xf5712a95, 0xd1f37ba3, + 0xbc7588f9, 0x98f7d9cf, 0x6019add5, 0x449bfce3, 0x291d0fb9, + 0x0d9f5e8f, 0xf210e90d, 0xd692b83b, 0xbb144b61, 0x9f961a57, + 0x9f7a2224, 0xbbf87312, 0xd67e8048, 0xf2fcd17e, 0x0d7366fc, + 0x29f137ca, 0x4477c490, 0x60f595a6, 0x45afb476, 0x612de540, + 0x0cab161a, 0x2829472c, 0xd7a6f0ae, 0xf324a198, 0x9ea252c2, + 0xba2003f4, 0xbacc3b87, 0x9e4e6ab1, 0xf3c899eb, 0xd74ac8dd, + 0x28c57f5f, 0x0c472e69, 0x61c1dd33, 0x45438c05, 0x2b759e93, + 0x0ff7cfa5, 0x62713cff, 0x46f36dc9, 0xb97cda4b, 0x9dfe8b7d, + 0xf0787827, 0xd4fa2911, 0xd4161162, 0xf0944054, 0x9d12b30e, + 0xb990e238, 0x461f55ba, 0x629d048c, 0x0f1bf7d6, 0x2b99a6e0, + 0x0ec38730, 0x2a41d606, 0x47c7255c, 0x6345746a, 0x9ccac3e8, + 0xb84892de, 0xd5ce6184, 0xf14c30b2, 0xf1a008c1, 0xd52259f7, + 0xb8a4aaad, 0x9c26fb9b, 0x63a94c19, 0x472b1d2f, 0x2aadee75, + 0x0e2fbf43}, + {0x00000000, 0x36f290f3, 0x6de521e6, 0x5b17b115, 0xdbca43cc, + 0xed38d33f, 0xb62f622a, 0x80ddf2d9, 0x6ce581d9, 0x5a17112a, + 0x0100a03f, 0x37f230cc, 0xb72fc215, 0x81dd52e6, 0xdacae3f3, + 0xec387300, 0xd9cb03b2, 0xef399341, 0xb42e2254, 0x82dcb2a7, + 0x0201407e, 0x34f3d08d, 0x6fe46198, 0x5916f16b, 0xb52e826b, + 0x83dc1298, 0xd8cba38d, 0xee39337e, 0x6ee4c1a7, 0x58165154, + 0x0301e041, 0x35f370b2, 0x68e70125, 0x5e1591d6, 0x050220c3, + 0x33f0b030, 0xb32d42e9, 0x85dfd21a, 0xdec8630f, 0xe83af3fc, + 0x040280fc, 0x32f0100f, 0x69e7a11a, 0x5f1531e9, 0xdfc8c330, + 0xe93a53c3, 0xb22de2d6, 0x84df7225, 0xb12c0297, 0x87de9264, + 0xdcc92371, 0xea3bb382, 0x6ae6415b, 0x5c14d1a8, 0x070360bd, + 0x31f1f04e, 0xddc9834e, 0xeb3b13bd, 0xb02ca2a8, 0x86de325b, + 0x0603c082, 0x30f15071, 0x6be6e164, 0x5d147197, 0xd1ce024a, + 0xe73c92b9, 0xbc2b23ac, 0x8ad9b35f, 0x0a044186, 0x3cf6d175, + 0x67e16060, 0x5113f093, 0xbd2b8393, 0x8bd91360, 0xd0cea275, + 0xe63c3286, 0x66e1c05f, 0x501350ac, 0x0b04e1b9, 0x3df6714a, + 0x080501f8, 0x3ef7910b, 0x65e0201e, 0x5312b0ed, 0xd3cf4234, + 0xe53dd2c7, 0xbe2a63d2, 0x88d8f321, 0x64e08021, 0x521210d2, + 0x0905a1c7, 0x3ff73134, 0xbf2ac3ed, 0x89d8531e, 0xd2cfe20b, + 0xe43d72f8, 0xb929036f, 0x8fdb939c, 0xd4cc2289, 0xe23eb27a, + 0x62e340a3, 0x5411d050, 0x0f066145, 0x39f4f1b6, 0xd5cc82b6, + 0xe33e1245, 0xb829a350, 0x8edb33a3, 0x0e06c17a, 0x38f45189, + 0x63e3e09c, 0x5511706f, 0x60e200dd, 0x5610902e, 0x0d07213b, + 0x3bf5b1c8, 0xbb284311, 0x8ddad3e2, 0xd6cd62f7, 0xe03ff204, + 0x0c078104, 0x3af511f7, 0x61e2a0e2, 0x57103011, 0xd7cdc2c8, + 0xe13f523b, 0xba28e32e, 0x8cda73dd, 0x78ed02d5, 0x4e1f9226, + 0x15082333, 0x23fab3c0, 0xa3274119, 0x95d5d1ea, 0xcec260ff, + 0xf830f00c, 0x1408830c, 0x22fa13ff, 0x79eda2ea, 0x4f1f3219, + 0xcfc2c0c0, 0xf9305033, 0xa227e126, 0x94d571d5, 0xa1260167, + 0x97d49194, 0xccc32081, 0xfa31b072, 0x7aec42ab, 0x4c1ed258, + 0x1709634d, 0x21fbf3be, 0xcdc380be, 0xfb31104d, 0xa026a158, + 0x96d431ab, 0x1609c372, 0x20fb5381, 0x7bece294, 0x4d1e7267, + 0x100a03f0, 0x26f89303, 0x7def2216, 0x4b1db2e5, 0xcbc0403c, + 0xfd32d0cf, 0xa62561da, 0x90d7f129, 0x7cef8229, 0x4a1d12da, + 0x110aa3cf, 0x27f8333c, 0xa725c1e5, 0x91d75116, 0xcac0e003, + 0xfc3270f0, 0xc9c10042, 0xff3390b1, 0xa42421a4, 0x92d6b157, + 0x120b438e, 0x24f9d37d, 0x7fee6268, 0x491cf29b, 0xa524819b, + 0x93d61168, 0xc8c1a07d, 0xfe33308e, 0x7eeec257, 0x481c52a4, + 0x130be3b1, 0x25f97342, 0xa923009f, 0x9fd1906c, 0xc4c62179, + 0xf234b18a, 0x72e94353, 0x441bd3a0, 0x1f0c62b5, 0x29fef246, + 0xc5c68146, 0xf33411b5, 0xa823a0a0, 0x9ed13053, 0x1e0cc28a, + 0x28fe5279, 0x73e9e36c, 0x451b739f, 0x70e8032d, 0x461a93de, + 0x1d0d22cb, 0x2bffb238, 0xab2240e1, 0x9dd0d012, 0xc6c76107, + 0xf035f1f4, 0x1c0d82f4, 0x2aff1207, 0x71e8a312, 0x471a33e1, + 0xc7c7c138, 0xf13551cb, 0xaa22e0de, 0x9cd0702d, 0xc1c401ba, + 0xf7369149, 0xac21205c, 0x9ad3b0af, 0x1a0e4276, 0x2cfcd285, + 0x77eb6390, 0x4119f363, 0xad218063, 0x9bd31090, 0xc0c4a185, + 0xf6363176, 0x76ebc3af, 0x4019535c, 0x1b0ee249, 0x2dfc72ba, + 0x180f0208, 0x2efd92fb, 0x75ea23ee, 0x4318b31d, 0xc3c541c4, + 0xf537d137, 0xae206022, 0x98d2f0d1, 0x74ea83d1, 0x42181322, + 0x190fa237, 0x2ffd32c4, 0xaf20c01d, 0x99d250ee, 0xc2c5e1fb, + 0xf4377108}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0xf390f23600000000, 0xe621e56d00000000, + 0x15b1175b00000000, 0xcc43cadb00000000, 0x3fd338ed00000000, + 0x2a622fb600000000, 0xd9f2dd8000000000, 0xd981e56c00000000, + 0x2a11175a00000000, 0x3fa0000100000000, 0xcc30f23700000000, + 0x15c22fb700000000, 0xe652dd8100000000, 0xf3e3cada00000000, + 0x007338ec00000000, 0xb203cbd900000000, 0x419339ef00000000, + 0x54222eb400000000, 0xa7b2dc8200000000, 0x7e40010200000000, + 0x8dd0f33400000000, 0x9861e46f00000000, 0x6bf1165900000000, + 0x6b822eb500000000, 0x9812dc8300000000, 0x8da3cbd800000000, + 0x7e3339ee00000000, 0xa7c1e46e00000000, 0x5451165800000000, + 0x41e0010300000000, 0xb270f33500000000, 0x2501e76800000000, + 0xd691155e00000000, 0xc320020500000000, 0x30b0f03300000000, + 0xe9422db300000000, 0x1ad2df8500000000, 0x0f63c8de00000000, + 0xfcf33ae800000000, 0xfc80020400000000, 0x0f10f03200000000, + 0x1aa1e76900000000, 0xe931155f00000000, 0x30c3c8df00000000, + 0xc3533ae900000000, 0xd6e22db200000000, 0x2572df8400000000, + 0x97022cb100000000, 0x6492de8700000000, 0x7123c9dc00000000, + 0x82b33bea00000000, 0x5b41e66a00000000, 0xa8d1145c00000000, + 0xbd60030700000000, 0x4ef0f13100000000, 0x4e83c9dd00000000, + 0xbd133beb00000000, 0xa8a22cb000000000, 0x5b32de8600000000, + 0x82c0030600000000, 0x7150f13000000000, 0x64e1e66b00000000, + 0x9771145d00000000, 0x4a02ced100000000, 0xb9923ce700000000, + 0xac232bbc00000000, 0x5fb3d98a00000000, 0x8641040a00000000, + 0x75d1f63c00000000, 0x6060e16700000000, 0x93f0135100000000, + 0x93832bbd00000000, 0x6013d98b00000000, 0x75a2ced000000000, + 0x86323ce600000000, 0x5fc0e16600000000, 0xac50135000000000, + 0xb9e1040b00000000, 0x4a71f63d00000000, 0xf801050800000000, + 0x0b91f73e00000000, 0x1e20e06500000000, 0xedb0125300000000, + 0x3442cfd300000000, 0xc7d23de500000000, 0xd2632abe00000000, + 0x21f3d88800000000, 0x2180e06400000000, 0xd210125200000000, + 0xc7a1050900000000, 0x3431f73f00000000, 0xedc32abf00000000, + 0x1e53d88900000000, 0x0be2cfd200000000, 0xf8723de400000000, + 0x6f0329b900000000, 0x9c93db8f00000000, 0x8922ccd400000000, + 0x7ab23ee200000000, 0xa340e36200000000, 0x50d0115400000000, + 0x4561060f00000000, 0xb6f1f43900000000, 0xb682ccd500000000, + 0x45123ee300000000, 0x50a329b800000000, 0xa333db8e00000000, + 0x7ac1060e00000000, 0x8951f43800000000, 0x9ce0e36300000000, + 0x6f70115500000000, 0xdd00e26000000000, 0x2e90105600000000, + 0x3b21070d00000000, 0xc8b1f53b00000000, 0x114328bb00000000, + 0xe2d3da8d00000000, 0xf762cdd600000000, 0x04f23fe000000000, + 0x0481070c00000000, 0xf711f53a00000000, 0xe2a0e26100000000, + 0x1130105700000000, 0xc8c2cdd700000000, 0x3b523fe100000000, + 0x2ee328ba00000000, 0xdd73da8c00000000, 0xd502ed7800000000, + 0x26921f4e00000000, 0x3323081500000000, 0xc0b3fa2300000000, + 0x194127a300000000, 0xead1d59500000000, 0xff60c2ce00000000, + 0x0cf030f800000000, 0x0c83081400000000, 0xff13fa2200000000, + 0xeaa2ed7900000000, 0x19321f4f00000000, 0xc0c0c2cf00000000, + 0x335030f900000000, 0x26e127a200000000, 0xd571d59400000000, + 0x670126a100000000, 0x9491d49700000000, 0x8120c3cc00000000, + 0x72b031fa00000000, 0xab42ec7a00000000, 0x58d21e4c00000000, + 0x4d63091700000000, 0xbef3fb2100000000, 0xbe80c3cd00000000, + 0x4d1031fb00000000, 0x58a126a000000000, 0xab31d49600000000, + 0x72c3091600000000, 0x8153fb2000000000, 0x94e2ec7b00000000, + 0x67721e4d00000000, 0xf0030a1000000000, 0x0393f82600000000, + 0x1622ef7d00000000, 0xe5b21d4b00000000, 0x3c40c0cb00000000, + 0xcfd032fd00000000, 0xda6125a600000000, 0x29f1d79000000000, + 0x2982ef7c00000000, 0xda121d4a00000000, 0xcfa30a1100000000, + 0x3c33f82700000000, 0xe5c125a700000000, 0x1651d79100000000, + 0x03e0c0ca00000000, 0xf07032fc00000000, 0x4200c1c900000000, + 0xb19033ff00000000, 0xa42124a400000000, 0x57b1d69200000000, + 0x8e430b1200000000, 0x7dd3f92400000000, 0x6862ee7f00000000, + 0x9bf21c4900000000, 0x9b8124a500000000, 0x6811d69300000000, + 0x7da0c1c800000000, 0x8e3033fe00000000, 0x57c2ee7e00000000, + 0xa4521c4800000000, 0xb1e30b1300000000, 0x4273f92500000000, + 0x9f0023a900000000, 0x6c90d19f00000000, 0x7921c6c400000000, + 0x8ab134f200000000, 0x5343e97200000000, 0xa0d31b4400000000, + 0xb5620c1f00000000, 0x46f2fe2900000000, 0x4681c6c500000000, + 0xb51134f300000000, 0xa0a023a800000000, 0x5330d19e00000000, + 0x8ac20c1e00000000, 0x7952fe2800000000, 0x6ce3e97300000000, + 0x9f731b4500000000, 0x2d03e87000000000, 0xde931a4600000000, + 0xcb220d1d00000000, 0x38b2ff2b00000000, 0xe14022ab00000000, + 0x12d0d09d00000000, 0x0761c7c600000000, 0xf4f135f000000000, + 0xf4820d1c00000000, 0x0712ff2a00000000, 0x12a3e87100000000, + 0xe1331a4700000000, 0x38c1c7c700000000, 0xcb5135f100000000, + 0xdee022aa00000000, 0x2d70d09c00000000, 0xba01c4c100000000, + 0x499136f700000000, 0x5c2021ac00000000, 0xafb0d39a00000000, + 0x76420e1a00000000, 0x85d2fc2c00000000, 0x9063eb7700000000, + 0x63f3194100000000, 0x638021ad00000000, 0x9010d39b00000000, + 0x85a1c4c000000000, 0x763136f600000000, 0xafc3eb7600000000, + 0x5c53194000000000, 0x49e20e1b00000000, 0xba72fc2d00000000, + 0x08020f1800000000, 0xfb92fd2e00000000, 0xee23ea7500000000, + 0x1db3184300000000, 0xc441c5c300000000, 0x37d137f500000000, + 0x226020ae00000000, 0xd1f0d29800000000, 0xd183ea7400000000, + 0x2213184200000000, 0x37a20f1900000000, 0xc432fd2f00000000, + 0x1dc020af00000000, 0xee50d29900000000, 0xfbe1c5c200000000, + 0x087137f400000000}, + {0x0000000000000000, 0x3651822400000000, 0x6ca2044900000000, + 0x5af3866d00000000, 0xd844099200000000, 0xee158bb600000000, + 0xb4e60ddb00000000, 0x82b78fff00000000, 0xf18f63ff00000000, + 0xc7dee1db00000000, 0x9d2d67b600000000, 0xab7ce59200000000, + 0x29cb6a6d00000000, 0x1f9ae84900000000, 0x45696e2400000000, + 0x7338ec0000000000, 0xa319b62500000000, 0x9548340100000000, + 0xcfbbb26c00000000, 0xf9ea304800000000, 0x7b5dbfb700000000, + 0x4d0c3d9300000000, 0x17ffbbfe00000000, 0x21ae39da00000000, + 0x5296d5da00000000, 0x64c757fe00000000, 0x3e34d19300000000, + 0x086553b700000000, 0x8ad2dc4800000000, 0xbc835e6c00000000, + 0xe670d80100000000, 0xd0215a2500000000, 0x46336c4b00000000, + 0x7062ee6f00000000, 0x2a91680200000000, 0x1cc0ea2600000000, + 0x9e7765d900000000, 0xa826e7fd00000000, 0xf2d5619000000000, + 0xc484e3b400000000, 0xb7bc0fb400000000, 0x81ed8d9000000000, + 0xdb1e0bfd00000000, 0xed4f89d900000000, 0x6ff8062600000000, + 0x59a9840200000000, 0x035a026f00000000, 0x350b804b00000000, + 0xe52ada6e00000000, 0xd37b584a00000000, 0x8988de2700000000, + 0xbfd95c0300000000, 0x3d6ed3fc00000000, 0x0b3f51d800000000, + 0x51ccd7b500000000, 0x679d559100000000, 0x14a5b99100000000, + 0x22f43bb500000000, 0x7807bdd800000000, 0x4e563ffc00000000, + 0xcce1b00300000000, 0xfab0322700000000, 0xa043b44a00000000, + 0x9612366e00000000, 0x8c66d89600000000, 0xba375ab200000000, + 0xe0c4dcdf00000000, 0xd6955efb00000000, 0x5422d10400000000, + 0x6273532000000000, 0x3880d54d00000000, 0x0ed1576900000000, + 0x7de9bb6900000000, 0x4bb8394d00000000, 0x114bbf2000000000, + 0x271a3d0400000000, 0xa5adb2fb00000000, 0x93fc30df00000000, + 0xc90fb6b200000000, 0xff5e349600000000, 0x2f7f6eb300000000, + 0x192eec9700000000, 0x43dd6afa00000000, 0x758ce8de00000000, + 0xf73b672100000000, 0xc16ae50500000000, 0x9b99636800000000, + 0xadc8e14c00000000, 0xdef00d4c00000000, 0xe8a18f6800000000, + 0xb252090500000000, 0x84038b2100000000, 0x06b404de00000000, + 0x30e586fa00000000, 0x6a16009700000000, 0x5c4782b300000000, + 0xca55b4dd00000000, 0xfc0436f900000000, 0xa6f7b09400000000, + 0x90a632b000000000, 0x1211bd4f00000000, 0x24403f6b00000000, + 0x7eb3b90600000000, 0x48e23b2200000000, 0x3bdad72200000000, + 0x0d8b550600000000, 0x5778d36b00000000, 0x6129514f00000000, + 0xe39edeb000000000, 0xd5cf5c9400000000, 0x8f3cdaf900000000, + 0xb96d58dd00000000, 0x694c02f800000000, 0x5f1d80dc00000000, + 0x05ee06b100000000, 0x33bf849500000000, 0xb1080b6a00000000, + 0x8759894e00000000, 0xddaa0f2300000000, 0xebfb8d0700000000, + 0x98c3610700000000, 0xae92e32300000000, 0xf461654e00000000, + 0xc230e76a00000000, 0x4087689500000000, 0x76d6eab100000000, + 0x2c256cdc00000000, 0x1a74eef800000000, 0x59cbc1f600000000, + 0x6f9a43d200000000, 0x3569c5bf00000000, 0x0338479b00000000, + 0x818fc86400000000, 0xb7de4a4000000000, 0xed2dcc2d00000000, + 0xdb7c4e0900000000, 0xa844a20900000000, 0x9e15202d00000000, + 0xc4e6a64000000000, 0xf2b7246400000000, 0x7000ab9b00000000, + 0x465129bf00000000, 0x1ca2afd200000000, 0x2af32df600000000, + 0xfad277d300000000, 0xcc83f5f700000000, 0x9670739a00000000, + 0xa021f1be00000000, 0x22967e4100000000, 0x14c7fc6500000000, + 0x4e347a0800000000, 0x7865f82c00000000, 0x0b5d142c00000000, + 0x3d0c960800000000, 0x67ff106500000000, 0x51ae924100000000, + 0xd3191dbe00000000, 0xe5489f9a00000000, 0xbfbb19f700000000, + 0x89ea9bd300000000, 0x1ff8adbd00000000, 0x29a92f9900000000, + 0x735aa9f400000000, 0x450b2bd000000000, 0xc7bca42f00000000, + 0xf1ed260b00000000, 0xab1ea06600000000, 0x9d4f224200000000, + 0xee77ce4200000000, 0xd8264c6600000000, 0x82d5ca0b00000000, + 0xb484482f00000000, 0x3633c7d000000000, 0x006245f400000000, + 0x5a91c39900000000, 0x6cc041bd00000000, 0xbce11b9800000000, + 0x8ab099bc00000000, 0xd0431fd100000000, 0xe6129df500000000, + 0x64a5120a00000000, 0x52f4902e00000000, 0x0807164300000000, + 0x3e56946700000000, 0x4d6e786700000000, 0x7b3ffa4300000000, + 0x21cc7c2e00000000, 0x179dfe0a00000000, 0x952a71f500000000, + 0xa37bf3d100000000, 0xf98875bc00000000, 0xcfd9f79800000000, + 0xd5ad196000000000, 0xe3fc9b4400000000, 0xb90f1d2900000000, + 0x8f5e9f0d00000000, 0x0de910f200000000, 0x3bb892d600000000, + 0x614b14bb00000000, 0x571a969f00000000, 0x24227a9f00000000, + 0x1273f8bb00000000, 0x48807ed600000000, 0x7ed1fcf200000000, + 0xfc66730d00000000, 0xca37f12900000000, 0x90c4774400000000, + 0xa695f56000000000, 0x76b4af4500000000, 0x40e52d6100000000, + 0x1a16ab0c00000000, 0x2c47292800000000, 0xaef0a6d700000000, + 0x98a124f300000000, 0xc252a29e00000000, 0xf40320ba00000000, + 0x873bccba00000000, 0xb16a4e9e00000000, 0xeb99c8f300000000, + 0xddc84ad700000000, 0x5f7fc52800000000, 0x692e470c00000000, + 0x33ddc16100000000, 0x058c434500000000, 0x939e752b00000000, + 0xa5cff70f00000000, 0xff3c716200000000, 0xc96df34600000000, + 0x4bda7cb900000000, 0x7d8bfe9d00000000, 0x277878f000000000, + 0x1129fad400000000, 0x621116d400000000, 0x544094f000000000, + 0x0eb3129d00000000, 0x38e290b900000000, 0xba551f4600000000, + 0x8c049d6200000000, 0xd6f71b0f00000000, 0xe0a6992b00000000, + 0x3087c30e00000000, 0x06d6412a00000000, 0x5c25c74700000000, + 0x6a74456300000000, 0xe8c3ca9c00000000, 0xde9248b800000000, + 0x8461ced500000000, 0xb2304cf100000000, 0xc108a0f100000000, + 0xf75922d500000000, 0xadaaa4b800000000, 0x9bfb269c00000000, + 0x194ca96300000000, 0x2f1d2b4700000000, 0x75eead2a00000000, + 0x43bf2f0e00000000}, + {0x0000000000000000, 0xc8179ecf00000000, 0xd1294d4400000000, + 0x193ed38b00000000, 0xa2539a8800000000, 0x6a44044700000000, + 0x737ad7cc00000000, 0xbb6d490300000000, 0x05a145ca00000000, + 0xcdb6db0500000000, 0xd488088e00000000, 0x1c9f964100000000, + 0xa7f2df4200000000, 0x6fe5418d00000000, 0x76db920600000000, + 0xbecc0cc900000000, 0x4b44fa4f00000000, 0x8353648000000000, + 0x9a6db70b00000000, 0x527a29c400000000, 0xe91760c700000000, + 0x2100fe0800000000, 0x383e2d8300000000, 0xf029b34c00000000, + 0x4ee5bf8500000000, 0x86f2214a00000000, 0x9fccf2c100000000, + 0x57db6c0e00000000, 0xecb6250d00000000, 0x24a1bbc200000000, + 0x3d9f684900000000, 0xf588f68600000000, 0x9688f49f00000000, + 0x5e9f6a5000000000, 0x47a1b9db00000000, 0x8fb6271400000000, + 0x34db6e1700000000, 0xfcccf0d800000000, 0xe5f2235300000000, + 0x2de5bd9c00000000, 0x9329b15500000000, 0x5b3e2f9a00000000, + 0x4200fc1100000000, 0x8a1762de00000000, 0x317a2bdd00000000, + 0xf96db51200000000, 0xe053669900000000, 0x2844f85600000000, + 0xddcc0ed000000000, 0x15db901f00000000, 0x0ce5439400000000, + 0xc4f2dd5b00000000, 0x7f9f945800000000, 0xb7880a9700000000, + 0xaeb6d91c00000000, 0x66a147d300000000, 0xd86d4b1a00000000, + 0x107ad5d500000000, 0x0944065e00000000, 0xc153989100000000, + 0x7a3ed19200000000, 0xb2294f5d00000000, 0xab179cd600000000, + 0x6300021900000000, 0x6d1798e400000000, 0xa500062b00000000, + 0xbc3ed5a000000000, 0x74294b6f00000000, 0xcf44026c00000000, + 0x07539ca300000000, 0x1e6d4f2800000000, 0xd67ad1e700000000, + 0x68b6dd2e00000000, 0xa0a143e100000000, 0xb99f906a00000000, + 0x71880ea500000000, 0xcae547a600000000, 0x02f2d96900000000, + 0x1bcc0ae200000000, 0xd3db942d00000000, 0x265362ab00000000, + 0xee44fc6400000000, 0xf77a2fef00000000, 0x3f6db12000000000, + 0x8400f82300000000, 0x4c1766ec00000000, 0x5529b56700000000, + 0x9d3e2ba800000000, 0x23f2276100000000, 0xebe5b9ae00000000, + 0xf2db6a2500000000, 0x3accf4ea00000000, 0x81a1bde900000000, + 0x49b6232600000000, 0x5088f0ad00000000, 0x989f6e6200000000, + 0xfb9f6c7b00000000, 0x3388f2b400000000, 0x2ab6213f00000000, + 0xe2a1bff000000000, 0x59ccf6f300000000, 0x91db683c00000000, + 0x88e5bbb700000000, 0x40f2257800000000, 0xfe3e29b100000000, + 0x3629b77e00000000, 0x2f1764f500000000, 0xe700fa3a00000000, + 0x5c6db33900000000, 0x947a2df600000000, 0x8d44fe7d00000000, + 0x455360b200000000, 0xb0db963400000000, 0x78cc08fb00000000, + 0x61f2db7000000000, 0xa9e545bf00000000, 0x12880cbc00000000, + 0xda9f927300000000, 0xc3a141f800000000, 0x0bb6df3700000000, + 0xb57ad3fe00000000, 0x7d6d4d3100000000, 0x64539eba00000000, + 0xac44007500000000, 0x1729497600000000, 0xdf3ed7b900000000, + 0xc600043200000000, 0x0e179afd00000000, 0x9b28411200000000, + 0x533fdfdd00000000, 0x4a010c5600000000, 0x8216929900000000, + 0x397bdb9a00000000, 0xf16c455500000000, 0xe85296de00000000, + 0x2045081100000000, 0x9e8904d800000000, 0x569e9a1700000000, + 0x4fa0499c00000000, 0x87b7d75300000000, 0x3cda9e5000000000, + 0xf4cd009f00000000, 0xedf3d31400000000, 0x25e44ddb00000000, + 0xd06cbb5d00000000, 0x187b259200000000, 0x0145f61900000000, + 0xc95268d600000000, 0x723f21d500000000, 0xba28bf1a00000000, + 0xa3166c9100000000, 0x6b01f25e00000000, 0xd5cdfe9700000000, + 0x1dda605800000000, 0x04e4b3d300000000, 0xccf32d1c00000000, + 0x779e641f00000000, 0xbf89fad000000000, 0xa6b7295b00000000, + 0x6ea0b79400000000, 0x0da0b58d00000000, 0xc5b72b4200000000, + 0xdc89f8c900000000, 0x149e660600000000, 0xaff32f0500000000, + 0x67e4b1ca00000000, 0x7eda624100000000, 0xb6cdfc8e00000000, + 0x0801f04700000000, 0xc0166e8800000000, 0xd928bd0300000000, + 0x113f23cc00000000, 0xaa526acf00000000, 0x6245f40000000000, + 0x7b7b278b00000000, 0xb36cb94400000000, 0x46e44fc200000000, + 0x8ef3d10d00000000, 0x97cd028600000000, 0x5fda9c4900000000, + 0xe4b7d54a00000000, 0x2ca04b8500000000, 0x359e980e00000000, + 0xfd8906c100000000, 0x43450a0800000000, 0x8b5294c700000000, + 0x926c474c00000000, 0x5a7bd98300000000, 0xe116908000000000, + 0x29010e4f00000000, 0x303fddc400000000, 0xf828430b00000000, + 0xf63fd9f600000000, 0x3e28473900000000, 0x271694b200000000, + 0xef010a7d00000000, 0x546c437e00000000, 0x9c7bddb100000000, + 0x85450e3a00000000, 0x4d5290f500000000, 0xf39e9c3c00000000, + 0x3b8902f300000000, 0x22b7d17800000000, 0xeaa04fb700000000, + 0x51cd06b400000000, 0x99da987b00000000, 0x80e44bf000000000, + 0x48f3d53f00000000, 0xbd7b23b900000000, 0x756cbd7600000000, + 0x6c526efd00000000, 0xa445f03200000000, 0x1f28b93100000000, + 0xd73f27fe00000000, 0xce01f47500000000, 0x06166aba00000000, + 0xb8da667300000000, 0x70cdf8bc00000000, 0x69f32b3700000000, + 0xa1e4b5f800000000, 0x1a89fcfb00000000, 0xd29e623400000000, + 0xcba0b1bf00000000, 0x03b72f7000000000, 0x60b72d6900000000, + 0xa8a0b3a600000000, 0xb19e602d00000000, 0x7989fee200000000, + 0xc2e4b7e100000000, 0x0af3292e00000000, 0x13cdfaa500000000, + 0xdbda646a00000000, 0x651668a300000000, 0xad01f66c00000000, + 0xb43f25e700000000, 0x7c28bb2800000000, 0xc745f22b00000000, + 0x0f526ce400000000, 0x166cbf6f00000000, 0xde7b21a000000000, + 0x2bf3d72600000000, 0xe3e449e900000000, 0xfada9a6200000000, + 0x32cd04ad00000000, 0x89a04dae00000000, 0x41b7d36100000000, + 0x588900ea00000000, 0x909e9e2500000000, 0x2e5292ec00000000, + 0xe6450c2300000000, 0xff7bdfa800000000, 0x376c416700000000, + 0x8c01086400000000, 0x441696ab00000000, 0x5d28452000000000, + 0x953fdbef00000000}, + {0x0000000000000000, 0x95d4709500000000, 0x6baf90f100000000, + 0xfe7be06400000000, 0x9758503800000000, 0x028c20ad00000000, + 0xfcf7c0c900000000, 0x6923b05c00000000, 0x2eb1a07000000000, + 0xbb65d0e500000000, 0x451e308100000000, 0xd0ca401400000000, + 0xb9e9f04800000000, 0x2c3d80dd00000000, 0xd24660b900000000, + 0x4792102c00000000, 0x5c6241e100000000, 0xc9b6317400000000, + 0x37cdd11000000000, 0xa219a18500000000, 0xcb3a11d900000000, + 0x5eee614c00000000, 0xa095812800000000, 0x3541f1bd00000000, + 0x72d3e19100000000, 0xe707910400000000, 0x197c716000000000, + 0x8ca801f500000000, 0xe58bb1a900000000, 0x705fc13c00000000, + 0x8e24215800000000, 0x1bf051cd00000000, 0xf9c2f31900000000, + 0x6c16838c00000000, 0x926d63e800000000, 0x07b9137d00000000, + 0x6e9aa32100000000, 0xfb4ed3b400000000, 0x053533d000000000, + 0x90e1434500000000, 0xd773536900000000, 0x42a723fc00000000, + 0xbcdcc39800000000, 0x2908b30d00000000, 0x402b035100000000, + 0xd5ff73c400000000, 0x2b8493a000000000, 0xbe50e33500000000, + 0xa5a0b2f800000000, 0x3074c26d00000000, 0xce0f220900000000, + 0x5bdb529c00000000, 0x32f8e2c000000000, 0xa72c925500000000, + 0x5957723100000000, 0xcc8302a400000000, 0x8b11128800000000, + 0x1ec5621d00000000, 0xe0be827900000000, 0x756af2ec00000000, + 0x1c4942b000000000, 0x899d322500000000, 0x77e6d24100000000, + 0xe232a2d400000000, 0xf285e73300000000, 0x675197a600000000, + 0x992a77c200000000, 0x0cfe075700000000, 0x65ddb70b00000000, + 0xf009c79e00000000, 0x0e7227fa00000000, 0x9ba6576f00000000, + 0xdc34474300000000, 0x49e037d600000000, 0xb79bd7b200000000, + 0x224fa72700000000, 0x4b6c177b00000000, 0xdeb867ee00000000, + 0x20c3878a00000000, 0xb517f71f00000000, 0xaee7a6d200000000, + 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0xcca1b69e00000000, 0xaba15ed300000000, + 0x495cd65e00000000, 0x65a18e4800000000, 0x875c06c500000000, + 0xe05cee8800000000, 0x02a1660500000000, 0xb8a65fa400000000, + 0x5a5bd72900000000, 0x3d5b3f6400000000, 0xdfa6b7e900000000, + 0xf35befff00000000, 0x11a6677200000000, 0x76a68f3f00000000, + 0x945b07b200000000}, + {0x0000000000000000, 0xa90b894e00000000, 0x5217129d00000000, + 0xfb1c9bd300000000, 0xe52855e100000000, 0x4c23dcaf00000000, + 0xb73f477c00000000, 0x1e34ce3200000000, 0x8b57db1900000000, + 0x225c525700000000, 0xd940c98400000000, 0x704b40ca00000000, + 0x6e7f8ef800000000, 0xc77407b600000000, 0x3c689c6500000000, + 0x9563152b00000000, 0x16afb63300000000, 0xbfa43f7d00000000, + 0x44b8a4ae00000000, 0xedb32de000000000, 0xf387e3d200000000, + 0x5a8c6a9c00000000, 0xa190f14f00000000, 0x089b780100000000, + 0x9df86d2a00000000, 0x34f3e46400000000, 0xcfef7fb700000000, + 0x66e4f6f900000000, 0x78d038cb00000000, 0xd1dbb18500000000, + 0x2ac72a5600000000, 0x83cca31800000000, 0x2c5e6d6700000000, + 0x8555e42900000000, 0x7e497ffa00000000, 0xd742f6b400000000, + 0xc976388600000000, 0x607db1c800000000, 0x9b612a1b00000000, + 0x326aa35500000000, 0xa709b67e00000000, 0x0e023f3000000000, + 0xf51ea4e300000000, 0x5c152dad00000000, 0x4221e39f00000000, + 0xeb2a6ad100000000, 0x1036f10200000000, 0xb93d784c00000000, + 0x3af1db5400000000, 0x93fa521a00000000, 0x68e6c9c900000000, + 0xc1ed408700000000, 0xdfd98eb500000000, 0x76d207fb00000000, + 0x8dce9c2800000000, 0x24c5156600000000, 0xb1a6004d00000000, + 0x18ad890300000000, 0xe3b112d000000000, 0x4aba9b9e00000000, + 0x548e55ac00000000, 0xfd85dce200000000, 0x0699473100000000, + 0xaf92ce7f00000000, 0x58bcdace00000000, 0xf1b7538000000000, + 0x0aabc85300000000, 0xa3a0411d00000000, 0xbd948f2f00000000, + 0x149f066100000000, 0xef839db200000000, 0x468814fc00000000, + 0xd3eb01d700000000, 0x7ae0889900000000, 0x81fc134a00000000, + 0x28f79a0400000000, 0x36c3543600000000, 0x9fc8dd7800000000, + 0x64d446ab00000000, 0xcddfcfe500000000, 0x4e136cfd00000000, + 0xe718e5b300000000, 0x1c047e6000000000, 0xb50ff72e00000000, + 0xab3b391c00000000, 0x0230b05200000000, 0xf92c2b8100000000, + 0x5027a2cf00000000, 0xc544b7e400000000, 0x6c4f3eaa00000000, + 0x9753a57900000000, 0x3e582c3700000000, 0x206ce20500000000, + 0x89676b4b00000000, 0x727bf09800000000, 0xdb7079d600000000, + 0x74e2b7a900000000, 0xdde93ee700000000, 0x26f5a53400000000, + 0x8ffe2c7a00000000, 0x91cae24800000000, 0x38c16b0600000000, + 0xc3ddf0d500000000, 0x6ad6799b00000000, 0xffb56cb000000000, + 0x56bee5fe00000000, 0xada27e2d00000000, 0x04a9f76300000000, + 0x1a9d395100000000, 0xb396b01f00000000, 0x488a2bcc00000000, + 0xe181a28200000000, 0x624d019a00000000, 0xcb4688d400000000, + 0x305a130700000000, 0x99519a4900000000, 0x8765547b00000000, + 0x2e6edd3500000000, 0xd57246e600000000, 0x7c79cfa800000000, + 0xe91ada8300000000, 0x401153cd00000000, 0xbb0dc81e00000000, + 0x1206415000000000, 0x0c328f6200000000, 0xa539062c00000000, + 0x5e259dff00000000, 0xf72e14b100000000, 0xf17ec44600000000, + 0x58754d0800000000, 0xa369d6db00000000, 0x0a625f9500000000, + 0x145691a700000000, 0xbd5d18e900000000, 0x4641833a00000000, + 0xef4a0a7400000000, 0x7a291f5f00000000, 0xd322961100000000, + 0x283e0dc200000000, 0x8135848c00000000, 0x9f014abe00000000, + 0x360ac3f000000000, 0xcd16582300000000, 0x641dd16d00000000, + 0xe7d1727500000000, 0x4edafb3b00000000, 0xb5c660e800000000, + 0x1ccde9a600000000, 0x02f9279400000000, 0xabf2aeda00000000, + 0x50ee350900000000, 0xf9e5bc4700000000, 0x6c86a96c00000000, + 0xc58d202200000000, 0x3e91bbf100000000, 0x979a32bf00000000, + 0x89aefc8d00000000, 0x20a575c300000000, 0xdbb9ee1000000000, + 0x72b2675e00000000, 0xdd20a92100000000, 0x742b206f00000000, + 0x8f37bbbc00000000, 0x263c32f200000000, 0x3808fcc000000000, + 0x9103758e00000000, 0x6a1fee5d00000000, 0xc314671300000000, + 0x5677723800000000, 0xff7cfb7600000000, 0x046060a500000000, + 0xad6be9eb00000000, 0xb35f27d900000000, 0x1a54ae9700000000, + 0xe148354400000000, 0x4843bc0a00000000, 0xcb8f1f1200000000, + 0x6284965c00000000, 0x99980d8f00000000, 0x309384c100000000, + 0x2ea74af300000000, 0x87acc3bd00000000, 0x7cb0586e00000000, + 0xd5bbd12000000000, 0x40d8c40b00000000, 0xe9d34d4500000000, + 0x12cfd69600000000, 0xbbc45fd800000000, 0xa5f091ea00000000, + 0x0cfb18a400000000, 0xf7e7837700000000, 0x5eec0a3900000000, + 0xa9c21e8800000000, 0x00c997c600000000, 0xfbd50c1500000000, + 0x52de855b00000000, 0x4cea4b6900000000, 0xe5e1c22700000000, + 0x1efd59f400000000, 0xb7f6d0ba00000000, 0x2295c59100000000, + 0x8b9e4cdf00000000, 0x7082d70c00000000, 0xd9895e4200000000, + 0xc7bd907000000000, 0x6eb6193e00000000, 0x95aa82ed00000000, + 0x3ca10ba300000000, 0xbf6da8bb00000000, 0x166621f500000000, + 0xed7aba2600000000, 0x4471336800000000, 0x5a45fd5a00000000, + 0xf34e741400000000, 0x0852efc700000000, 0xa159668900000000, + 0x343a73a200000000, 0x9d31faec00000000, 0x662d613f00000000, + 0xcf26e87100000000, 0xd112264300000000, 0x7819af0d00000000, + 0x830534de00000000, 0x2a0ebd9000000000, 0x859c73ef00000000, + 0x2c97faa100000000, 0xd78b617200000000, 0x7e80e83c00000000, + 0x60b4260e00000000, 0xc9bfaf4000000000, 0x32a3349300000000, + 0x9ba8bddd00000000, 0x0ecba8f600000000, 0xa7c021b800000000, + 0x5cdcba6b00000000, 0xf5d7332500000000, 0xebe3fd1700000000, + 0x42e8745900000000, 0xb9f4ef8a00000000, 0x10ff66c400000000, + 0x9333c5dc00000000, 0x3a384c9200000000, 0xc124d74100000000, + 0x682f5e0f00000000, 0x761b903d00000000, 0xdf10197300000000, + 0x240c82a000000000, 0x8d070bee00000000, 0x18641ec500000000, + 0xb16f978b00000000, 0x4a730c5800000000, 0xe378851600000000, + 0xfd4c4b2400000000, 0x5447c26a00000000, 0xaf5b59b900000000, + 0x0650d0f700000000}, + {0x0000000000000000, 0x479244af00000000, 0xcf22f88500000000, + 0x88b0bc2a00000000, 0xdf4381d000000000, 0x98d1c57f00000000, + 0x1061795500000000, 0x57f33dfa00000000, 0xff81737a00000000, + 0xb81337d500000000, 0x30a38bff00000000, 0x7731cf5000000000, + 0x20c2f2aa00000000, 0x6750b60500000000, 0xefe00a2f00000000, + 0xa8724e8000000000, 0xfe03e7f400000000, 0xb991a35b00000000, + 0x31211f7100000000, 0x76b35bde00000000, 0x2140662400000000, + 0x66d2228b00000000, 0xee629ea100000000, 0xa9f0da0e00000000, + 0x0182948e00000000, 0x4610d02100000000, 0xcea06c0b00000000, + 0x893228a400000000, 0xdec1155e00000000, 0x995351f100000000, + 0x11e3eddb00000000, 0x5671a97400000000, 0xbd01bf3200000000, + 0xfa93fb9d00000000, 0x722347b700000000, 0x35b1031800000000, + 0x62423ee200000000, 0x25d07a4d00000000, 0xad60c66700000000, + 0xeaf282c800000000, 0x4280cc4800000000, 0x051288e700000000, + 0x8da234cd00000000, 0xca30706200000000, 0x9dc34d9800000000, + 0xda51093700000000, 0x52e1b51d00000000, 0x1573f1b200000000, + 0x430258c600000000, 0x04901c6900000000, 0x8c20a04300000000, + 0xcbb2e4ec00000000, 0x9c41d91600000000, 0xdbd39db900000000, + 0x5363219300000000, 0x14f1653c00000000, 0xbc832bbc00000000, + 0xfb116f1300000000, 0x73a1d33900000000, 0x3433979600000000, + 0x63c0aa6c00000000, 0x2452eec300000000, 0xace252e900000000, + 0xeb70164600000000, 0x7a037e6500000000, 0x3d913aca00000000, + 0xb52186e000000000, 0xf2b3c24f00000000, 0xa540ffb500000000, + 0xe2d2bb1a00000000, 0x6a62073000000000, 0x2df0439f00000000, + 0x85820d1f00000000, 0xc21049b000000000, 0x4aa0f59a00000000, + 0x0d32b13500000000, 0x5ac18ccf00000000, 0x1d53c86000000000, + 0x95e3744a00000000, 0xd27130e500000000, 0x8400999100000000, + 0xc392dd3e00000000, 0x4b22611400000000, 0x0cb025bb00000000, + 0x5b43184100000000, 0x1cd15cee00000000, 0x9461e0c400000000, + 0xd3f3a46b00000000, 0x7b81eaeb00000000, 0x3c13ae4400000000, + 0xb4a3126e00000000, 0xf33156c100000000, 0xa4c26b3b00000000, + 0xe3502f9400000000, 0x6be093be00000000, 0x2c72d71100000000, + 0xc702c15700000000, 0x809085f800000000, 0x082039d200000000, + 0x4fb27d7d00000000, 0x1841408700000000, 0x5fd3042800000000, + 0xd763b80200000000, 0x90f1fcad00000000, 0x3883b22d00000000, + 0x7f11f68200000000, 0xf7a14aa800000000, 0xb0330e0700000000, + 0xe7c033fd00000000, 0xa052775200000000, 0x28e2cb7800000000, + 0x6f708fd700000000, 0x390126a300000000, 0x7e93620c00000000, + 0xf623de2600000000, 0xb1b19a8900000000, 0xe642a77300000000, + 0xa1d0e3dc00000000, 0x29605ff600000000, 0x6ef21b5900000000, + 0xc68055d900000000, 0x8112117600000000, 0x09a2ad5c00000000, + 0x4e30e9f300000000, 0x19c3d40900000000, 0x5e5190a600000000, + 0xd6e12c8c00000000, 0x9173682300000000, 0xf406fcca00000000, + 0xb394b86500000000, 0x3b24044f00000000, 0x7cb640e000000000, + 0x2b457d1a00000000, 0x6cd739b500000000, 0xe467859f00000000, + 0xa3f5c13000000000, 0x0b878fb000000000, 0x4c15cb1f00000000, + 0xc4a5773500000000, 0x8337339a00000000, 0xd4c40e6000000000, + 0x93564acf00000000, 0x1be6f6e500000000, 0x5c74b24a00000000, + 0x0a051b3e00000000, 0x4d975f9100000000, 0xc527e3bb00000000, + 0x82b5a71400000000, 0xd5469aee00000000, 0x92d4de4100000000, + 0x1a64626b00000000, 0x5df626c400000000, 0xf584684400000000, + 0xb2162ceb00000000, 0x3aa690c100000000, 0x7d34d46e00000000, + 0x2ac7e99400000000, 0x6d55ad3b00000000, 0xe5e5111100000000, + 0xa27755be00000000, 0x490743f800000000, 0x0e95075700000000, + 0x8625bb7d00000000, 0xc1b7ffd200000000, 0x9644c22800000000, + 0xd1d6868700000000, 0x59663aad00000000, 0x1ef47e0200000000, + 0xb686308200000000, 0xf114742d00000000, 0x79a4c80700000000, + 0x3e368ca800000000, 0x69c5b15200000000, 0x2e57f5fd00000000, + 0xa6e749d700000000, 0xe1750d7800000000, 0xb704a40c00000000, + 0xf096e0a300000000, 0x78265c8900000000, 0x3fb4182600000000, + 0x684725dc00000000, 0x2fd5617300000000, 0xa765dd5900000000, + 0xe0f799f600000000, 0x4885d77600000000, 0x0f1793d900000000, + 0x87a72ff300000000, 0xc0356b5c00000000, 0x97c656a600000000, + 0xd054120900000000, 0x58e4ae2300000000, 0x1f76ea8c00000000, + 0x8e0582af00000000, 0xc997c60000000000, 0x41277a2a00000000, + 0x06b53e8500000000, 0x5146037f00000000, 0x16d447d000000000, + 0x9e64fbfa00000000, 0xd9f6bf5500000000, 0x7184f1d500000000, + 0x3616b57a00000000, 0xbea6095000000000, 0xf9344dff00000000, + 0xaec7700500000000, 0xe95534aa00000000, 0x61e5888000000000, + 0x2677cc2f00000000, 0x7006655b00000000, 0x379421f400000000, + 0xbf249dde00000000, 0xf8b6d97100000000, 0xaf45e48b00000000, + 0xe8d7a02400000000, 0x60671c0e00000000, 0x27f558a100000000, + 0x8f87162100000000, 0xc815528e00000000, 0x40a5eea400000000, + 0x0737aa0b00000000, 0x50c497f100000000, 0x1756d35e00000000, + 0x9fe66f7400000000, 0xd8742bdb00000000, 0x33043d9d00000000, + 0x7496793200000000, 0xfc26c51800000000, 0xbbb481b700000000, + 0xec47bc4d00000000, 0xabd5f8e200000000, 0x236544c800000000, + 0x64f7006700000000, 0xcc854ee700000000, 0x8b170a4800000000, + 0x03a7b66200000000, 0x4435f2cd00000000, 0x13c6cf3700000000, + 0x54548b9800000000, 0xdce437b200000000, 0x9b76731d00000000, + 0xcd07da6900000000, 0x8a959ec600000000, 0x022522ec00000000, + 0x45b7664300000000, 0x12445bb900000000, 0x55d61f1600000000, + 0xdd66a33c00000000, 0x9af4e79300000000, 0x3286a91300000000, + 0x7514edbc00000000, 0xfda4519600000000, 0xba36153900000000, + 0xedc528c300000000, 0xaa576c6c00000000, 0x22e7d04600000000, + 0x657594e900000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x65673b46, 0xcace768c, 0xafa94dca, 0x4eedeb59, + 0x2b8ad01f, 0x84239dd5, 0xe144a693, 0x9ddbd6b2, 0xf8bcedf4, + 0x5715a03e, 0x32729b78, 0xd3363deb, 0xb65106ad, 0x19f84b67, + 0x7c9f7021, 0xe0c6ab25, 0x85a19063, 0x2a08dda9, 0x4f6fe6ef, + 0xae2b407c, 0xcb4c7b3a, 0x64e536f0, 0x01820db6, 0x7d1d7d97, + 0x187a46d1, 0xb7d30b1b, 0xd2b4305d, 0x33f096ce, 0x5697ad88, + 0xf93ee042, 0x9c59db04, 0x1afc500b, 0x7f9b6b4d, 0xd0322687, + 0xb5551dc1, 0x5411bb52, 0x31768014, 0x9edfcdde, 0xfbb8f698, + 0x872786b9, 0xe240bdff, 0x4de9f035, 0x288ecb73, 0xc9ca6de0, + 0xacad56a6, 0x03041b6c, 0x6663202a, 0xfa3afb2e, 0x9f5dc068, + 0x30f48da2, 0x5593b6e4, 0xb4d71077, 0xd1b02b31, 0x7e1966fb, + 0x1b7e5dbd, 0x67e12d9c, 0x028616da, 0xad2f5b10, 0xc8486056, + 0x290cc6c5, 0x4c6bfd83, 0xe3c2b049, 0x86a58b0f, 0x35f8a016, + 0x509f9b50, 0xff36d69a, 0x9a51eddc, 0x7b154b4f, 0x1e727009, + 0xb1db3dc3, 0xd4bc0685, 0xa82376a4, 0xcd444de2, 0x62ed0028, + 0x078a3b6e, 0xe6ce9dfd, 0x83a9a6bb, 0x2c00eb71, 0x4967d037, + 0xd53e0b33, 0xb0593075, 0x1ff07dbf, 0x7a9746f9, 0x9bd3e06a, + 0xfeb4db2c, 0x511d96e6, 0x347aada0, 0x48e5dd81, 0x2d82e6c7, + 0x822bab0d, 0xe74c904b, 0x060836d8, 0x636f0d9e, 0xccc64054, + 0xa9a17b12, 0x2f04f01d, 0x4a63cb5b, 0xe5ca8691, 0x80adbdd7, + 0x61e91b44, 0x048e2002, 0xab276dc8, 0xce40568e, 0xb2df26af, + 0xd7b81de9, 0x78115023, 0x1d766b65, 0xfc32cdf6, 0x9955f6b0, + 0x36fcbb7a, 0x539b803c, 0xcfc25b38, 0xaaa5607e, 0x050c2db4, + 0x606b16f2, 0x812fb061, 0xe4488b27, 0x4be1c6ed, 0x2e86fdab, + 0x52198d8a, 0x377eb6cc, 0x98d7fb06, 0xfdb0c040, 0x1cf466d3, + 0x79935d95, 0xd63a105f, 0xb35d2b19, 0x6bf1402c, 0x0e967b6a, + 0xa13f36a0, 0xc4580de6, 0x251cab75, 0x407b9033, 0xefd2ddf9, + 0x8ab5e6bf, 0xf62a969e, 0x934dadd8, 0x3ce4e012, 0x5983db54, + 0xb8c77dc7, 0xdda04681, 0x72090b4b, 0x176e300d, 0x8b37eb09, + 0xee50d04f, 0x41f99d85, 0x249ea6c3, 0xc5da0050, 0xa0bd3b16, + 0x0f1476dc, 0x6a734d9a, 0x16ec3dbb, 0x738b06fd, 0xdc224b37, + 0xb9457071, 0x5801d6e2, 0x3d66eda4, 0x92cfa06e, 0xf7a89b28, + 0x710d1027, 0x146a2b61, 0xbbc366ab, 0xdea45ded, 0x3fe0fb7e, + 0x5a87c038, 0xf52e8df2, 0x9049b6b4, 0xecd6c695, 0x89b1fdd3, + 0x2618b019, 0x437f8b5f, 0xa23b2dcc, 0xc75c168a, 0x68f55b40, + 0x0d926006, 0x91cbbb02, 0xf4ac8044, 0x5b05cd8e, 0x3e62f6c8, + 0xdf26505b, 0xba416b1d, 0x15e826d7, 0x708f1d91, 0x0c106db0, + 0x697756f6, 0xc6de1b3c, 0xa3b9207a, 0x42fd86e9, 0x279abdaf, + 0x8833f065, 0xed54cb23, 0x5e09e03a, 0x3b6edb7c, 0x94c796b6, + 0xf1a0adf0, 0x10e40b63, 0x75833025, 0xda2a7def, 0xbf4d46a9, + 0xc3d23688, 0xa6b50dce, 0x091c4004, 0x6c7b7b42, 0x8d3fddd1, + 0xe858e697, 0x47f1ab5d, 0x2296901b, 0xbecf4b1f, 0xdba87059, + 0x74013d93, 0x116606d5, 0xf022a046, 0x95459b00, 0x3aecd6ca, + 0x5f8bed8c, 0x23149dad, 0x4673a6eb, 0xe9daeb21, 0x8cbdd067, + 0x6df976f4, 0x089e4db2, 0xa7370078, 0xc2503b3e, 0x44f5b031, + 0x21928b77, 0x8e3bc6bd, 0xeb5cfdfb, 0x0a185b68, 0x6f7f602e, + 0xc0d62de4, 0xa5b116a2, 0xd92e6683, 0xbc495dc5, 0x13e0100f, + 0x76872b49, 0x97c38dda, 0xf2a4b69c, 0x5d0dfb56, 0x386ac010, + 0xa4331b14, 0xc1542052, 0x6efd6d98, 0x0b9a56de, 0xeadef04d, + 0x8fb9cb0b, 0x201086c1, 0x4577bd87, 0x39e8cda6, 0x5c8ff6e0, + 0xf326bb2a, 0x9641806c, 0x770526ff, 0x12621db9, 0xbdcb5073, + 0xd8ac6b35}, + {0x00000000, 0xd7e28058, 0x74b406f1, 0xa35686a9, 0xe9680de2, + 0x3e8a8dba, 0x9ddc0b13, 0x4a3e8b4b, 0x09a11d85, 0xde439ddd, + 0x7d151b74, 0xaaf79b2c, 0xe0c91067, 0x372b903f, 0x947d1696, + 0x439f96ce, 0x13423b0a, 0xc4a0bb52, 0x67f63dfb, 0xb014bda3, + 0xfa2a36e8, 0x2dc8b6b0, 0x8e9e3019, 0x597cb041, 0x1ae3268f, + 0xcd01a6d7, 0x6e57207e, 0xb9b5a026, 0xf38b2b6d, 0x2469ab35, + 0x873f2d9c, 0x50ddadc4, 0x26847614, 0xf166f64c, 0x523070e5, + 0x85d2f0bd, 0xcfec7bf6, 0x180efbae, 0xbb587d07, 0x6cbafd5f, + 0x2f256b91, 0xf8c7ebc9, 0x5b916d60, 0x8c73ed38, 0xc64d6673, + 0x11afe62b, 0xb2f96082, 0x651be0da, 0x35c64d1e, 0xe224cd46, + 0x41724bef, 0x9690cbb7, 0xdcae40fc, 0x0b4cc0a4, 0xa81a460d, + 0x7ff8c655, 0x3c67509b, 0xeb85d0c3, 0x48d3566a, 0x9f31d632, + 0xd50f5d79, 0x02eddd21, 0xa1bb5b88, 0x7659dbd0, 0x4d08ec28, + 0x9aea6c70, 0x39bcead9, 0xee5e6a81, 0xa460e1ca, 0x73826192, + 0xd0d4e73b, 0x07366763, 0x44a9f1ad, 0x934b71f5, 0x301df75c, + 0xe7ff7704, 0xadc1fc4f, 0x7a237c17, 0xd975fabe, 0x0e977ae6, + 0x5e4ad722, 0x89a8577a, 0x2afed1d3, 0xfd1c518b, 0xb722dac0, + 0x60c05a98, 0xc396dc31, 0x14745c69, 0x57ebcaa7, 0x80094aff, + 0x235fcc56, 0xf4bd4c0e, 0xbe83c745, 0x6961471d, 0xca37c1b4, + 0x1dd541ec, 0x6b8c9a3c, 0xbc6e1a64, 0x1f389ccd, 0xc8da1c95, + 0x82e497de, 0x55061786, 0xf650912f, 0x21b21177, 0x622d87b9, + 0xb5cf07e1, 0x16998148, 0xc17b0110, 0x8b458a5b, 0x5ca70a03, + 0xfff18caa, 0x28130cf2, 0x78cea136, 0xaf2c216e, 0x0c7aa7c7, + 0xdb98279f, 0x91a6acd4, 0x46442c8c, 0xe512aa25, 0x32f02a7d, + 0x716fbcb3, 0xa68d3ceb, 0x05dbba42, 0xd2393a1a, 0x9807b151, + 0x4fe53109, 0xecb3b7a0, 0x3b5137f8, 0x9a11d850, 0x4df35808, + 0xeea5dea1, 0x39475ef9, 0x7379d5b2, 0xa49b55ea, 0x07cdd343, + 0xd02f531b, 0x93b0c5d5, 0x4452458d, 0xe704c324, 0x30e6437c, + 0x7ad8c837, 0xad3a486f, 0x0e6ccec6, 0xd98e4e9e, 0x8953e35a, + 0x5eb16302, 0xfde7e5ab, 0x2a0565f3, 0x603beeb8, 0xb7d96ee0, + 0x148fe849, 0xc36d6811, 0x80f2fedf, 0x57107e87, 0xf446f82e, + 0x23a47876, 0x699af33d, 0xbe787365, 0x1d2ef5cc, 0xcacc7594, + 0xbc95ae44, 0x6b772e1c, 0xc821a8b5, 0x1fc328ed, 0x55fda3a6, + 0x821f23fe, 0x2149a557, 0xf6ab250f, 0xb534b3c1, 0x62d63399, + 0xc180b530, 0x16623568, 0x5c5cbe23, 0x8bbe3e7b, 0x28e8b8d2, + 0xff0a388a, 0xafd7954e, 0x78351516, 0xdb6393bf, 0x0c8113e7, + 0x46bf98ac, 0x915d18f4, 0x320b9e5d, 0xe5e91e05, 0xa67688cb, + 0x71940893, 0xd2c28e3a, 0x05200e62, 0x4f1e8529, 0x98fc0571, + 0x3baa83d8, 0xec480380, 0xd7193478, 0x00fbb420, 0xa3ad3289, + 0x744fb2d1, 0x3e71399a, 0xe993b9c2, 0x4ac53f6b, 0x9d27bf33, + 0xdeb829fd, 0x095aa9a5, 0xaa0c2f0c, 0x7deeaf54, 0x37d0241f, + 0xe032a447, 0x436422ee, 0x9486a2b6, 0xc45b0f72, 0x13b98f2a, + 0xb0ef0983, 0x670d89db, 0x2d330290, 0xfad182c8, 0x59870461, + 0x8e658439, 0xcdfa12f7, 0x1a1892af, 0xb94e1406, 0x6eac945e, + 0x24921f15, 0xf3709f4d, 0x502619e4, 0x87c499bc, 0xf19d426c, + 0x267fc234, 0x8529449d, 0x52cbc4c5, 0x18f54f8e, 0xcf17cfd6, + 0x6c41497f, 0xbba3c927, 0xf83c5fe9, 0x2fdedfb1, 0x8c885918, + 0x5b6ad940, 0x1154520b, 0xc6b6d253, 0x65e054fa, 0xb202d4a2, + 0xe2df7966, 0x353df93e, 0x966b7f97, 0x4189ffcf, 0x0bb77484, + 0xdc55f4dc, 0x7f037275, 0xa8e1f22d, 0xeb7e64e3, 0x3c9ce4bb, + 0x9fca6212, 0x4828e24a, 0x02166901, 0xd5f4e959, 0x76a26ff0, + 0xa140efa8}, + {0x00000000, 0xef52b6e1, 0x05d46b83, 0xea86dd62, 0x0ba8d706, + 0xe4fa61e7, 0x0e7cbc85, 0xe12e0a64, 0x1751ae0c, 0xf80318ed, + 0x1285c58f, 0xfdd7736e, 0x1cf9790a, 0xf3abcfeb, 0x192d1289, + 0xf67fa468, 0x2ea35c18, 0xc1f1eaf9, 0x2b77379b, 0xc425817a, + 0x250b8b1e, 0xca593dff, 0x20dfe09d, 0xcf8d567c, 0x39f2f214, + 0xd6a044f5, 0x3c269997, 0xd3742f76, 0x325a2512, 0xdd0893f3, + 0x378e4e91, 0xd8dcf870, 0x5d46b830, 0xb2140ed1, 0x5892d3b3, + 0xb7c06552, 0x56ee6f36, 0xb9bcd9d7, 0x533a04b5, 0xbc68b254, + 0x4a17163c, 0xa545a0dd, 0x4fc37dbf, 0xa091cb5e, 0x41bfc13a, + 0xaeed77db, 0x446baab9, 0xab391c58, 0x73e5e428, 0x9cb752c9, + 0x76318fab, 0x9963394a, 0x784d332e, 0x971f85cf, 0x7d9958ad, + 0x92cbee4c, 0x64b44a24, 0x8be6fcc5, 0x616021a7, 0x8e329746, + 0x6f1c9d22, 0x804e2bc3, 0x6ac8f6a1, 0x859a4040, 0xba8d7060, + 0x55dfc681, 0xbf591be3, 0x500bad02, 0xb125a766, 0x5e771187, + 0xb4f1cce5, 0x5ba37a04, 0xaddcde6c, 0x428e688d, 0xa808b5ef, + 0x475a030e, 0xa674096a, 0x4926bf8b, 0xa3a062e9, 0x4cf2d408, + 0x942e2c78, 0x7b7c9a99, 0x91fa47fb, 0x7ea8f11a, 0x9f86fb7e, + 0x70d44d9f, 0x9a5290fd, 0x7500261c, 0x837f8274, 0x6c2d3495, + 0x86abe9f7, 0x69f95f16, 0x88d75572, 0x6785e393, 0x8d033ef1, + 0x62518810, 0xe7cbc850, 0x08997eb1, 0xe21fa3d3, 0x0d4d1532, + 0xec631f56, 0x0331a9b7, 0xe9b774d5, 0x06e5c234, 0xf09a665c, + 0x1fc8d0bd, 0xf54e0ddf, 0x1a1cbb3e, 0xfb32b15a, 0x146007bb, + 0xfee6dad9, 0x11b46c38, 0xc9689448, 0x263a22a9, 0xccbcffcb, + 0x23ee492a, 0xc2c0434e, 0x2d92f5af, 0xc71428cd, 0x28469e2c, + 0xde393a44, 0x316b8ca5, 0xdbed51c7, 0x34bfe726, 0xd591ed42, + 0x3ac35ba3, 0xd04586c1, 0x3f173020, 0xae6be681, 0x41395060, + 0xabbf8d02, 0x44ed3be3, 0xa5c33187, 0x4a918766, 0xa0175a04, + 0x4f45ece5, 0xb93a488d, 0x5668fe6c, 0xbcee230e, 0x53bc95ef, + 0xb2929f8b, 0x5dc0296a, 0xb746f408, 0x581442e9, 0x80c8ba99, + 0x6f9a0c78, 0x851cd11a, 0x6a4e67fb, 0x8b606d9f, 0x6432db7e, + 0x8eb4061c, 0x61e6b0fd, 0x97991495, 0x78cba274, 0x924d7f16, + 0x7d1fc9f7, 0x9c31c393, 0x73637572, 0x99e5a810, 0x76b71ef1, + 0xf32d5eb1, 0x1c7fe850, 0xf6f93532, 0x19ab83d3, 0xf88589b7, + 0x17d73f56, 0xfd51e234, 0x120354d5, 0xe47cf0bd, 0x0b2e465c, + 0xe1a89b3e, 0x0efa2ddf, 0xefd427bb, 0x0086915a, 0xea004c38, + 0x0552fad9, 0xdd8e02a9, 0x32dcb448, 0xd85a692a, 0x3708dfcb, + 0xd626d5af, 0x3974634e, 0xd3f2be2c, 0x3ca008cd, 0xcadfaca5, + 0x258d1a44, 0xcf0bc726, 0x205971c7, 0xc1777ba3, 0x2e25cd42, + 0xc4a31020, 0x2bf1a6c1, 0x14e696e1, 0xfbb42000, 0x1132fd62, + 0xfe604b83, 0x1f4e41e7, 0xf01cf706, 0x1a9a2a64, 0xf5c89c85, + 0x03b738ed, 0xece58e0c, 0x0663536e, 0xe931e58f, 0x081fefeb, + 0xe74d590a, 0x0dcb8468, 0xe2993289, 0x3a45caf9, 0xd5177c18, + 0x3f91a17a, 0xd0c3179b, 0x31ed1dff, 0xdebfab1e, 0x3439767c, + 0xdb6bc09d, 0x2d1464f5, 0xc246d214, 0x28c00f76, 0xc792b997, + 0x26bcb3f3, 0xc9ee0512, 0x2368d870, 0xcc3a6e91, 0x49a02ed1, + 0xa6f29830, 0x4c744552, 0xa326f3b3, 0x4208f9d7, 0xad5a4f36, + 0x47dc9254, 0xa88e24b5, 0x5ef180dd, 0xb1a3363c, 0x5b25eb5e, + 0xb4775dbf, 0x555957db, 0xba0be13a, 0x508d3c58, 0xbfdf8ab9, + 0x670372c9, 0x8851c428, 0x62d7194a, 0x8d85afab, 0x6caba5cf, + 0x83f9132e, 0x697fce4c, 0x862d78ad, 0x7052dcc5, 0x9f006a24, + 0x7586b746, 0x9ad401a7, 0x7bfa0bc3, 0x94a8bd22, 0x7e2e6040, + 0x917cd6a1}, + {0x00000000, 0x87a6cb43, 0xd43c90c7, 0x539a5b84, 0x730827cf, + 0xf4aeec8c, 0xa734b708, 0x20927c4b, 0xe6104f9e, 0x61b684dd, + 0x322cdf59, 0xb58a141a, 0x95186851, 0x12bea312, 0x4124f896, + 0xc68233d5, 0x1751997d, 0x90f7523e, 0xc36d09ba, 0x44cbc2f9, + 0x6459beb2, 0xe3ff75f1, 0xb0652e75, 0x37c3e536, 0xf141d6e3, + 0x76e71da0, 0x257d4624, 0xa2db8d67, 0x8249f12c, 0x05ef3a6f, + 0x567561eb, 0xd1d3aaa8, 0x2ea332fa, 0xa905f9b9, 0xfa9fa23d, + 0x7d39697e, 0x5dab1535, 0xda0dde76, 0x899785f2, 0x0e314eb1, + 0xc8b37d64, 0x4f15b627, 0x1c8feda3, 0x9b2926e0, 0xbbbb5aab, + 0x3c1d91e8, 0x6f87ca6c, 0xe821012f, 0x39f2ab87, 0xbe5460c4, + 0xedce3b40, 0x6a68f003, 0x4afa8c48, 0xcd5c470b, 0x9ec61c8f, + 0x1960d7cc, 0xdfe2e419, 0x58442f5a, 0x0bde74de, 0x8c78bf9d, + 0xaceac3d6, 0x2b4c0895, 0x78d65311, 0xff709852, 0x5d4665f4, + 0xdae0aeb7, 0x897af533, 0x0edc3e70, 0x2e4e423b, 0xa9e88978, + 0xfa72d2fc, 0x7dd419bf, 0xbb562a6a, 0x3cf0e129, 0x6f6abaad, + 0xe8cc71ee, 0xc85e0da5, 0x4ff8c6e6, 0x1c629d62, 0x9bc45621, + 0x4a17fc89, 0xcdb137ca, 0x9e2b6c4e, 0x198da70d, 0x391fdb46, + 0xbeb91005, 0xed234b81, 0x6a8580c2, 0xac07b317, 0x2ba17854, + 0x783b23d0, 0xff9de893, 0xdf0f94d8, 0x58a95f9b, 0x0b33041f, + 0x8c95cf5c, 0x73e5570e, 0xf4439c4d, 0xa7d9c7c9, 0x207f0c8a, + 0x00ed70c1, 0x874bbb82, 0xd4d1e006, 0x53772b45, 0x95f51890, + 0x1253d3d3, 0x41c98857, 0xc66f4314, 0xe6fd3f5f, 0x615bf41c, + 0x32c1af98, 0xb56764db, 0x64b4ce73, 0xe3120530, 0xb0885eb4, + 0x372e95f7, 0x17bce9bc, 0x901a22ff, 0xc380797b, 0x4426b238, + 0x82a481ed, 0x05024aae, 0x5698112a, 0xd13eda69, 0xf1aca622, + 0x760a6d61, 0x259036e5, 0xa236fda6, 0xba8ccbe8, 0x3d2a00ab, + 0x6eb05b2f, 0xe916906c, 0xc984ec27, 0x4e222764, 0x1db87ce0, + 0x9a1eb7a3, 0x5c9c8476, 0xdb3a4f35, 0x88a014b1, 0x0f06dff2, + 0x2f94a3b9, 0xa83268fa, 0xfba8337e, 0x7c0ef83d, 0xaddd5295, + 0x2a7b99d6, 0x79e1c252, 0xfe470911, 0xded5755a, 0x5973be19, + 0x0ae9e59d, 0x8d4f2ede, 0x4bcd1d0b, 0xcc6bd648, 0x9ff18dcc, + 0x1857468f, 0x38c53ac4, 0xbf63f187, 0xecf9aa03, 0x6b5f6140, + 0x942ff912, 0x13893251, 0x401369d5, 0xc7b5a296, 0xe727dedd, + 0x6081159e, 0x331b4e1a, 0xb4bd8559, 0x723fb68c, 0xf5997dcf, + 0xa603264b, 0x21a5ed08, 0x01379143, 0x86915a00, 0xd50b0184, + 0x52adcac7, 0x837e606f, 0x04d8ab2c, 0x5742f0a8, 0xd0e43beb, + 0xf07647a0, 0x77d08ce3, 0x244ad767, 0xa3ec1c24, 0x656e2ff1, + 0xe2c8e4b2, 0xb152bf36, 0x36f47475, 0x1666083e, 0x91c0c37d, + 0xc25a98f9, 0x45fc53ba, 0xe7caae1c, 0x606c655f, 0x33f63edb, + 0xb450f598, 0x94c289d3, 0x13644290, 0x40fe1914, 0xc758d257, + 0x01dae182, 0x867c2ac1, 0xd5e67145, 0x5240ba06, 0x72d2c64d, + 0xf5740d0e, 0xa6ee568a, 0x21489dc9, 0xf09b3761, 0x773dfc22, + 0x24a7a7a6, 0xa3016ce5, 0x839310ae, 0x0435dbed, 0x57af8069, + 0xd0094b2a, 0x168b78ff, 0x912db3bc, 0xc2b7e838, 0x4511237b, + 0x65835f30, 0xe2259473, 0xb1bfcff7, 0x361904b4, 0xc9699ce6, + 0x4ecf57a5, 0x1d550c21, 0x9af3c762, 0xba61bb29, 0x3dc7706a, + 0x6e5d2bee, 0xe9fbe0ad, 0x2f79d378, 0xa8df183b, 0xfb4543bf, + 0x7ce388fc, 0x5c71f4b7, 0xdbd73ff4, 0x884d6470, 0x0febaf33, + 0xde38059b, 0x599eced8, 0x0a04955c, 0x8da25e1f, 0xad302254, + 0x2a96e917, 0x790cb293, 0xfeaa79d0, 0x38284a05, 0xbf8e8146, + 0xec14dac2, 0x6bb21181, 0x4b206dca, 0xcc86a689, 0x9f1cfd0d, + 0x18ba364e}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x43cba687, 0xc7903cd4, 0x845b9a53, 0xcf270873, + 0x8cecaef4, 0x08b734a7, 0x4b7c9220, 0x9e4f10e6, 0xdd84b661, + 0x59df2c32, 0x1a148ab5, 0x51681895, 0x12a3be12, 0x96f82441, + 0xd53382c6, 0x7d995117, 0x3e52f790, 0xba096dc3, 0xf9c2cb44, + 0xb2be5964, 0xf175ffe3, 0x752e65b0, 0x36e5c337, 0xe3d641f1, + 0xa01de776, 0x24467d25, 0x678ddba2, 0x2cf14982, 0x6f3aef05, + 0xeb617556, 0xa8aad3d1, 0xfa32a32e, 0xb9f905a9, 0x3da29ffa, + 0x7e69397d, 0x3515ab5d, 0x76de0dda, 0xf2859789, 0xb14e310e, + 0x647db3c8, 0x27b6154f, 0xa3ed8f1c, 0xe026299b, 0xab5abbbb, + 0xe8911d3c, 0x6cca876f, 0x2f0121e8, 0x87abf239, 0xc46054be, + 0x403bceed, 0x03f0686a, 0x488cfa4a, 0x0b475ccd, 0x8f1cc69e, + 0xccd76019, 0x19e4e2df, 0x5a2f4458, 0xde74de0b, 0x9dbf788c, + 0xd6c3eaac, 0x95084c2b, 0x1153d678, 0x529870ff, 0xf465465d, + 0xb7aee0da, 0x33f57a89, 0x703edc0e, 0x3b424e2e, 0x7889e8a9, + 0xfcd272fa, 0xbf19d47d, 0x6a2a56bb, 0x29e1f03c, 0xadba6a6f, + 0xee71cce8, 0xa50d5ec8, 0xe6c6f84f, 0x629d621c, 0x2156c49b, + 0x89fc174a, 0xca37b1cd, 0x4e6c2b9e, 0x0da78d19, 0x46db1f39, + 0x0510b9be, 0x814b23ed, 0xc280856a, 0x17b307ac, 0x5478a12b, + 0xd0233b78, 0x93e89dff, 0xd8940fdf, 0x9b5fa958, 0x1f04330b, + 0x5ccf958c, 0x0e57e573, 0x4d9c43f4, 0xc9c7d9a7, 0x8a0c7f20, + 0xc170ed00, 0x82bb4b87, 0x06e0d1d4, 0x452b7753, 0x9018f595, + 0xd3d35312, 0x5788c941, 0x14436fc6, 0x5f3ffde6, 0x1cf45b61, + 0x98afc132, 0xdb6467b5, 0x73ceb464, 0x300512e3, 0xb45e88b0, + 0xf7952e37, 0xbce9bc17, 0xff221a90, 0x7b7980c3, 0x38b22644, + 0xed81a482, 0xae4a0205, 0x2a119856, 0x69da3ed1, 0x22a6acf1, + 0x616d0a76, 0xe5369025, 0xa6fd36a2, 0xe8cb8cba, 0xab002a3d, + 0x2f5bb06e, 0x6c9016e9, 0x27ec84c9, 0x6427224e, 0xe07cb81d, + 0xa3b71e9a, 0x76849c5c, 0x354f3adb, 0xb114a088, 0xf2df060f, + 0xb9a3942f, 0xfa6832a8, 0x7e33a8fb, 0x3df80e7c, 0x9552ddad, + 0xd6997b2a, 0x52c2e179, 0x110947fe, 0x5a75d5de, 0x19be7359, + 0x9de5e90a, 0xde2e4f8d, 0x0b1dcd4b, 0x48d66bcc, 0xcc8df19f, + 0x8f465718, 0xc43ac538, 0x87f163bf, 0x03aaf9ec, 0x40615f6b, + 0x12f92f94, 0x51328913, 0xd5691340, 0x96a2b5c7, 0xddde27e7, + 0x9e158160, 0x1a4e1b33, 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0x98f6b8fb, + 0xb9862787, 0xffbd40e2, 0x35f0e94d, 0x73cb8e28, 0xe06dcac9, + 0xa656adac, 0x6c1b0403, 0x2a206366, 0x2efb3afa, 0x68c05d9f, + 0xa28df430, 0xe4b69355, 0x7710d7b4, 0x312bb0d1, 0xfb66197e, + 0xbd5d7e1b, 0x9c2de167, 0xda168602, 0x105b2fad, 0x566048c8, + 0xc5c60c29, 0x83fd6b4c, 0x49b0c2e3, 0x0f8ba586, 0x16a0f835, + 0x509b9f50, 0x9ad636ff, 0xdced519a, 0x4f4b157b, 0x0970721e, + 0xc33ddbb1, 0x8506bcd4, 0xa47623a8, 0xe24d44cd, 0x2800ed62, + 0x6e3b8a07, 0xfd9dcee6, 0xbba6a983, 0x71eb002c, 0x37d06749, + 0x330b3ed5, 0x753059b0, 0xbf7df01f, 0xf946977a, 0x6ae0d39b, + 0x2cdbb4fe, 0xe6961d51, 0xa0ad7a34, 0x81dde548, 0xc7e6822d, + 0x0dab2b82, 0x4b904ce7, 0xd8360806, 0x9e0d6f63, 0x5440c6cc, + 0x127ba1a9, 0x1df0042f, 0x5bcb634a, 0x9186cae5, 0xd7bdad80, + 0x441be961, 0x02208e04, 0xc86d27ab, 0x8e5640ce, 0xaf26dfb2, + 0xe91db8d7, 0x23501178, 0x656b761d, 0xf6cd32fc, 0xb0f65599, + 0x7abbfc36, 0x3c809b53, 0x385bc2cf, 0x7e60a5aa, 0xb42d0c05, + 0xf2166b60, 0x61b02f81, 0x278b48e4, 0xedc6e14b, 0xabfd862e, + 0x8a8d1952, 0xccb67e37, 0x06fbd798, 0x40c0b0fd, 0xd366f41c, + 0x955d9379, 0x5f103ad6, 0x192b5db3, 0x2c40f16b, 0x6a7b960e, + 0xa0363fa1, 0xe60d58c4, 0x75ab1c25, 0x33907b40, 0xf9ddd2ef, + 0xbfe6b58a, 0x9e962af6, 0xd8ad4d93, 0x12e0e43c, 0x54db8359, + 0xc77dc7b8, 0x8146a0dd, 0x4b0b0972, 0x0d306e17, 0x09eb378b, + 0x4fd050ee, 0x859df941, 0xc3a69e24, 0x5000dac5, 0x163bbda0, + 0xdc76140f, 0x9a4d736a, 0xbb3dec16, 0xfd068b73, 0x374b22dc, + 0x717045b9, 0xe2d60158, 0xa4ed663d, 0x6ea0cf92, 0x289ba8f7, + 0x27100d71, 0x612b6a14, 0xab66c3bb, 0xed5da4de, 0x7efbe03f, + 0x38c0875a, 0xf28d2ef5, 0xb4b64990, 0x95c6d6ec, 0xd3fdb189, + 0x19b01826, 0x5f8b7f43, 0xcc2d3ba2, 0x8a165cc7, 0x405bf568, + 0x0660920d, 0x02bbcb91, 0x4480acf4, 0x8ecd055b, 0xc8f6623e, + 0x5b5026df, 0x1d6b41ba, 0xd726e815, 0x911d8f70, 0xb06d100c, + 0xf6567769, 0x3c1bdec6, 0x7a20b9a3, 0xe986fd42, 0xafbd9a27, + 0x65f03388, 0x23cb54ed, 0x3ae0095e, 0x7cdb6e3b, 0xb696c794, + 0xf0ada0f1, 0x630be410, 0x25308375, 0xef7d2ada, 0xa9464dbf, + 0x8836d2c3, 0xce0db5a6, 0x04401c09, 0x427b7b6c, 0xd1dd3f8d, + 0x97e658e8, 0x5dabf147, 0x1b909622, 0x1f4bcfbe, 0x5970a8db, + 0x933d0174, 0xd5066611, 0x46a022f0, 0x009b4595, 0xcad6ec3a, + 0x8ced8b5f, 0xad9d1423, 0xeba67346, 0x21ebdae9, 0x67d0bd8c, + 0xf476f96d, 0xb24d9e08, 0x780037a7, 0x3e3b50c2, 0x31b0f544, + 0x778b9221, 0xbdc63b8e, 0xfbfd5ceb, 0x685b180a, 0x2e607f6f, + 0xe42dd6c0, 0xa216b1a5, 0x83662ed9, 0xc55d49bc, 0x0f10e013, + 0x492b8776, 0xda8dc397, 0x9cb6a4f2, 0x56fb0d5d, 0x10c06a38, + 0x141b33a4, 0x522054c1, 0x986dfd6e, 0xde569a0b, 0x4df0deea, + 0x0bcbb98f, 0xc1861020, 0x87bd7745, 0xa6cde839, 0xe0f68f5c, + 0x2abb26f3, 0x6c804196, 0xff260577, 0xb91d6212, 0x7350cbbd, + 0x356bacd8}}; + +#endif + +#endif + +#if N == 6 + +#if W == 8 + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x3db1ecdc, 0x7b63d9b8, 0x46d23564, 0xf6c7b370, + 0xcb765fac, 0x8da46ac8, 0xb0158614, 0x36fe60a1, 0x0b4f8c7d, + 0x4d9db919, 0x702c55c5, 0xc039d3d1, 0xfd883f0d, 0xbb5a0a69, + 0x86ebe6b5, 0x6dfcc142, 0x504d2d9e, 0x169f18fa, 0x2b2ef426, + 0x9b3b7232, 0xa68a9eee, 0xe058ab8a, 0xdde94756, 0x5b02a1e3, + 0x66b34d3f, 0x2061785b, 0x1dd09487, 0xadc51293, 0x9074fe4f, + 0xd6a6cb2b, 0xeb1727f7, 0xdbf98284, 0xe6486e58, 0xa09a5b3c, + 0x9d2bb7e0, 0x2d3e31f4, 0x108fdd28, 0x565de84c, 0x6bec0490, + 0xed07e225, 0xd0b60ef9, 0x96643b9d, 0xabd5d741, 0x1bc05155, + 0x2671bd89, 0x60a388ed, 0x5d126431, 0xb60543c6, 0x8bb4af1a, + 0xcd669a7e, 0xf0d776a2, 0x40c2f0b6, 0x7d731c6a, 0x3ba1290e, + 0x0610c5d2, 0x80fb2367, 0xbd4acfbb, 0xfb98fadf, 0xc6291603, + 0x763c9017, 0x4b8d7ccb, 0x0d5f49af, 0x30eea573, 0x6c820349, + 0x5133ef95, 0x17e1daf1, 0x2a50362d, 0x9a45b039, 0xa7f45ce5, + 0xe1266981, 0xdc97855d, 0x5a7c63e8, 0x67cd8f34, 0x211fba50, + 0x1cae568c, 0xacbbd098, 0x910a3c44, 0xd7d80920, 0xea69e5fc, + 0x017ec20b, 0x3ccf2ed7, 0x7a1d1bb3, 0x47acf76f, 0xf7b9717b, + 0xca089da7, 0x8cdaa8c3, 0xb16b441f, 0x3780a2aa, 0x0a314e76, + 0x4ce37b12, 0x715297ce, 0xc14711da, 0xfcf6fd06, 0xba24c862, + 0x879524be, 0xb77b81cd, 0x8aca6d11, 0xcc185875, 0xf1a9b4a9, + 0x41bc32bd, 0x7c0dde61, 0x3adfeb05, 0x076e07d9, 0x8185e16c, + 0xbc340db0, 0xfae638d4, 0xc757d408, 0x7742521c, 0x4af3bec0, + 0x0c218ba4, 0x31906778, 0xda87408f, 0xe736ac53, 0xa1e49937, + 0x9c5575eb, 0x2c40f3ff, 0x11f11f23, 0x57232a47, 0x6a92c69b, + 0xec79202e, 0xd1c8ccf2, 0x971af996, 0xaaab154a, 0x1abe935e, + 0x270f7f82, 0x61dd4ae6, 0x5c6ca63a, 0xd9040692, 0xe4b5ea4e, + 0xa267df2a, 0x9fd633f6, 0x2fc3b5e2, 0x1272593e, 0x54a06c5a, + 0x69118086, 0xeffa6633, 0xd24b8aef, 0x9499bf8b, 0xa9285357, + 0x193dd543, 0x248c399f, 0x625e0cfb, 0x5fefe027, 0xb4f8c7d0, + 0x89492b0c, 0xcf9b1e68, 0xf22af2b4, 0x423f74a0, 0x7f8e987c, + 0x395cad18, 0x04ed41c4, 0x8206a771, 0xbfb74bad, 0xf9657ec9, + 0xc4d49215, 0x74c11401, 0x4970f8dd, 0x0fa2cdb9, 0x32132165, + 0x02fd8416, 0x3f4c68ca, 0x799e5dae, 0x442fb172, 0xf43a3766, + 0xc98bdbba, 0x8f59eede, 0xb2e80202, 0x3403e4b7, 0x09b2086b, + 0x4f603d0f, 0x72d1d1d3, 0xc2c457c7, 0xff75bb1b, 0xb9a78e7f, + 0x841662a3, 0x6f014554, 0x52b0a988, 0x14629cec, 0x29d37030, + 0x99c6f624, 0xa4771af8, 0xe2a52f9c, 0xdf14c340, 0x59ff25f5, + 0x644ec929, 0x229cfc4d, 0x1f2d1091, 0xaf389685, 0x92897a59, + 0xd45b4f3d, 0xe9eaa3e1, 0xb58605db, 0x8837e907, 0xcee5dc63, + 0xf35430bf, 0x4341b6ab, 0x7ef05a77, 0x38226f13, 0x059383cf, + 0x8378657a, 0xbec989a6, 0xf81bbcc2, 0xc5aa501e, 0x75bfd60a, + 0x480e3ad6, 0x0edc0fb2, 0x336de36e, 0xd87ac499, 0xe5cb2845, + 0xa3191d21, 0x9ea8f1fd, 0x2ebd77e9, 0x130c9b35, 0x55deae51, + 0x686f428d, 0xee84a438, 0xd33548e4, 0x95e77d80, 0xa856915c, + 0x18431748, 0x25f2fb94, 0x6320cef0, 0x5e91222c, 0x6e7f875f, + 0x53ce6b83, 0x151c5ee7, 0x28adb23b, 0x98b8342f, 0xa509d8f3, + 0xe3dbed97, 0xde6a014b, 0x5881e7fe, 0x65300b22, 0x23e23e46, + 0x1e53d29a, 0xae46548e, 0x93f7b852, 0xd5258d36, 0xe89461ea, + 0x0383461d, 0x3e32aac1, 0x78e09fa5, 0x45517379, 0xf544f56d, + 0xc8f519b1, 0x8e272cd5, 0xb396c009, 0x357d26bc, 0x08ccca60, + 0x4e1eff04, 0x73af13d8, 0xc3ba95cc, 0xfe0b7910, 0xb8d94c74, + 0x8568a0a8}, + {0x00000000, 0x69790b65, 0xd2f216ca, 0xbb8b1daf, 0x7e952bd5, + 0x17ec20b0, 0xac673d1f, 0xc51e367a, 0xfd2a57aa, 0x94535ccf, + 0x2fd84160, 0x46a14a05, 0x83bf7c7f, 0xeac6771a, 0x514d6ab5, + 0x383461d0, 0x2125a915, 0x485ca270, 0xf3d7bfdf, 0x9aaeb4ba, + 0x5fb082c0, 0x36c989a5, 0x8d42940a, 0xe43b9f6f, 0xdc0ffebf, + 0xb576f5da, 0x0efde875, 0x6784e310, 0xa29ad56a, 0xcbe3de0f, + 0x7068c3a0, 0x1911c8c5, 0x424b522a, 0x2b32594f, 0x90b944e0, + 0xf9c04f85, 0x3cde79ff, 0x55a7729a, 0xee2c6f35, 0x87556450, + 0xbf610580, 0xd6180ee5, 0x6d93134a, 0x04ea182f, 0xc1f42e55, + 0xa88d2530, 0x1306389f, 0x7a7f33fa, 0x636efb3f, 0x0a17f05a, + 0xb19cedf5, 0xd8e5e690, 0x1dfbd0ea, 0x7482db8f, 0xcf09c620, + 0xa670cd45, 0x9e44ac95, 0xf73da7f0, 0x4cb6ba5f, 0x25cfb13a, + 0xe0d18740, 0x89a88c25, 0x3223918a, 0x5b5a9aef, 0x8496a454, + 0xedefaf31, 0x5664b29e, 0x3f1db9fb, 0xfa038f81, 0x937a84e4, + 0x28f1994b, 0x4188922e, 0x79bcf3fe, 0x10c5f89b, 0xab4ee534, + 0xc237ee51, 0x0729d82b, 0x6e50d34e, 0xd5dbcee1, 0xbca2c584, + 0xa5b30d41, 0xccca0624, 0x77411b8b, 0x1e3810ee, 0xdb262694, + 0xb25f2df1, 0x09d4305e, 0x60ad3b3b, 0x58995aeb, 0x31e0518e, + 0x8a6b4c21, 0xe3124744, 0x260c713e, 0x4f757a5b, 0xf4fe67f4, + 0x9d876c91, 0xc6ddf67e, 0xafa4fd1b, 0x142fe0b4, 0x7d56ebd1, + 0xb848ddab, 0xd131d6ce, 0x6abacb61, 0x03c3c004, 0x3bf7a1d4, + 0x528eaab1, 0xe905b71e, 0x807cbc7b, 0x45628a01, 0x2c1b8164, + 0x97909ccb, 0xfee997ae, 0xe7f85f6b, 0x8e81540e, 0x350a49a1, + 0x5c7342c4, 0x996d74be, 0xf0147fdb, 0x4b9f6274, 0x22e66911, + 0x1ad208c1, 0x73ab03a4, 0xc8201e0b, 0xa159156e, 0x64472314, + 0x0d3e2871, 0xb6b535de, 0xdfcc3ebb, 0xd25c4ee9, 0xbb25458c, + 0x00ae5823, 0x69d75346, 0xacc9653c, 0xc5b06e59, 0x7e3b73f6, + 0x17427893, 0x2f761943, 0x460f1226, 0xfd840f89, 0x94fd04ec, + 0x51e33296, 0x389a39f3, 0x8311245c, 0xea682f39, 0xf379e7fc, + 0x9a00ec99, 0x218bf136, 0x48f2fa53, 0x8deccc29, 0xe495c74c, + 0x5f1edae3, 0x3667d186, 0x0e53b056, 0x672abb33, 0xdca1a69c, + 0xb5d8adf9, 0x70c69b83, 0x19bf90e6, 0xa2348d49, 0xcb4d862c, + 0x90171cc3, 0xf96e17a6, 0x42e50a09, 0x2b9c016c, 0xee823716, + 0x87fb3c73, 0x3c7021dc, 0x55092ab9, 0x6d3d4b69, 0x0444400c, + 0xbfcf5da3, 0xd6b656c6, 0x13a860bc, 0x7ad16bd9, 0xc15a7676, + 0xa8237d13, 0xb132b5d6, 0xd84bbeb3, 0x63c0a31c, 0x0ab9a879, + 0xcfa79e03, 0xa6de9566, 0x1d5588c9, 0x742c83ac, 0x4c18e27c, + 0x2561e919, 0x9eeaf4b6, 0xf793ffd3, 0x328dc9a9, 0x5bf4c2cc, + 0xe07fdf63, 0x8906d406, 0x56caeabd, 0x3fb3e1d8, 0x8438fc77, + 0xed41f712, 0x285fc168, 0x4126ca0d, 0xfaadd7a2, 0x93d4dcc7, + 0xabe0bd17, 0xc299b672, 0x7912abdd, 0x106ba0b8, 0xd57596c2, + 0xbc0c9da7, 0x07878008, 0x6efe8b6d, 0x77ef43a8, 0x1e9648cd, + 0xa51d5562, 0xcc645e07, 0x097a687d, 0x60036318, 0xdb887eb7, + 0xb2f175d2, 0x8ac51402, 0xe3bc1f67, 0x583702c8, 0x314e09ad, + 0xf4503fd7, 0x9d2934b2, 0x26a2291d, 0x4fdb2278, 0x1481b897, + 0x7df8b3f2, 0xc673ae5d, 0xaf0aa538, 0x6a149342, 0x036d9827, + 0xb8e68588, 0xd19f8eed, 0xe9abef3d, 0x80d2e458, 0x3b59f9f7, + 0x5220f292, 0x973ec4e8, 0xfe47cf8d, 0x45ccd222, 0x2cb5d947, + 0x35a41182, 0x5cdd1ae7, 0xe7560748, 0x8e2f0c2d, 0x4b313a57, + 0x22483132, 0x99c32c9d, 0xf0ba27f8, 0xc88e4628, 0xa1f74d4d, + 0x1a7c50e2, 0x73055b87, 0xb61b6dfd, 0xdf626698, 0x64e97b37, + 0x0d907052}, + {0x00000000, 0x7fc99b93, 0xff933726, 0x805aacb5, 0x2457680d, + 0x5b9ef39e, 0xdbc45f2b, 0xa40dc4b8, 0x48aed01a, 0x37674b89, + 0xb73de73c, 0xc8f47caf, 0x6cf9b817, 0x13302384, 0x936a8f31, + 0xeca314a2, 0x915da034, 0xee943ba7, 0x6ece9712, 0x11070c81, + 0xb50ac839, 0xcac353aa, 0x4a99ff1f, 0x3550648c, 0xd9f3702e, + 0xa63aebbd, 0x26604708, 0x59a9dc9b, 0xfda41823, 0x826d83b0, + 0x02372f05, 0x7dfeb496, 0xf9ca4629, 0x8603ddba, 0x0659710f, + 0x7990ea9c, 0xdd9d2e24, 0xa254b5b7, 0x220e1902, 0x5dc78291, + 0xb1649633, 0xcead0da0, 0x4ef7a115, 0x313e3a86, 0x9533fe3e, + 0xeafa65ad, 0x6aa0c918, 0x1569528b, 0x6897e61d, 0x175e7d8e, + 0x9704d13b, 0xe8cd4aa8, 0x4cc08e10, 0x33091583, 0xb353b936, + 0xcc9a22a5, 0x20393607, 0x5ff0ad94, 0xdfaa0121, 0xa0639ab2, + 0x046e5e0a, 0x7ba7c599, 0xfbfd692c, 0x8434f2bf, 0x28e58a13, + 0x572c1180, 0xd776bd35, 0xa8bf26a6, 0x0cb2e21e, 0x737b798d, + 0xf321d538, 0x8ce84eab, 0x604b5a09, 0x1f82c19a, 0x9fd86d2f, + 0xe011f6bc, 0x441c3204, 0x3bd5a997, 0xbb8f0522, 0xc4469eb1, + 0xb9b82a27, 0xc671b1b4, 0x462b1d01, 0x39e28692, 0x9def422a, + 0xe226d9b9, 0x627c750c, 0x1db5ee9f, 0xf116fa3d, 0x8edf61ae, + 0x0e85cd1b, 0x714c5688, 0xd5419230, 0xaa8809a3, 0x2ad2a516, + 0x551b3e85, 0xd12fcc3a, 0xaee657a9, 0x2ebcfb1c, 0x5175608f, + 0xf578a437, 0x8ab13fa4, 0x0aeb9311, 0x75220882, 0x99811c20, + 0xe64887b3, 0x66122b06, 0x19dbb095, 0xbdd6742d, 0xc21fefbe, + 0x4245430b, 0x3d8cd898, 0x40726c0e, 0x3fbbf79d, 0xbfe15b28, + 0xc028c0bb, 0x64250403, 0x1bec9f90, 0x9bb63325, 0xe47fa8b6, + 0x08dcbc14, 0x77152787, 0xf74f8b32, 0x888610a1, 0x2c8bd419, + 0x53424f8a, 0xd318e33f, 0xacd178ac, 0x51cb1426, 0x2e028fb5, + 0xae582300, 0xd191b893, 0x759c7c2b, 0x0a55e7b8, 0x8a0f4b0d, + 0xf5c6d09e, 0x1965c43c, 0x66ac5faf, 0xe6f6f31a, 0x993f6889, + 0x3d32ac31, 0x42fb37a2, 0xc2a19b17, 0xbd680084, 0xc096b412, + 0xbf5f2f81, 0x3f058334, 0x40cc18a7, 0xe4c1dc1f, 0x9b08478c, + 0x1b52eb39, 0x649b70aa, 0x88386408, 0xf7f1ff9b, 0x77ab532e, + 0x0862c8bd, 0xac6f0c05, 0xd3a69796, 0x53fc3b23, 0x2c35a0b0, + 0xa801520f, 0xd7c8c99c, 0x57926529, 0x285bfeba, 0x8c563a02, + 0xf39fa191, 0x73c50d24, 0x0c0c96b7, 0xe0af8215, 0x9f661986, + 0x1f3cb533, 0x60f52ea0, 0xc4f8ea18, 0xbb31718b, 0x3b6bdd3e, + 0x44a246ad, 0x395cf23b, 0x469569a8, 0xc6cfc51d, 0xb9065e8e, + 0x1d0b9a36, 0x62c201a5, 0xe298ad10, 0x9d513683, 0x71f22221, + 0x0e3bb9b2, 0x8e611507, 0xf1a88e94, 0x55a54a2c, 0x2a6cd1bf, + 0xaa367d0a, 0xd5ffe699, 0x792e9e35, 0x06e705a6, 0x86bda913, + 0xf9743280, 0x5d79f638, 0x22b06dab, 0xa2eac11e, 0xdd235a8d, + 0x31804e2f, 0x4e49d5bc, 0xce137909, 0xb1dae29a, 0x15d72622, + 0x6a1ebdb1, 0xea441104, 0x958d8a97, 0xe8733e01, 0x97baa592, + 0x17e00927, 0x682992b4, 0xcc24560c, 0xb3edcd9f, 0x33b7612a, + 0x4c7efab9, 0xa0ddee1b, 0xdf147588, 0x5f4ed93d, 0x208742ae, + 0x848a8616, 0xfb431d85, 0x7b19b130, 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0x34e9e396, 0x4ab51036, 0x0da6e6cd, 0xc492fdc0, 0x83810b3b, + 0x8d8bcd9b, 0xca983b60, 0x03ac206d, 0x44bfd696, 0x1fb9ad2d, + 0x58aa5bd6, 0x919e40db, 0xd68db620, 0xd8877080, 0x9f94867b, + 0x56a09d76, 0x11b36b8d, 0xe0ac6a00, 0xa7bf9cfb, 0x6e8b87f6, + 0x2998710d, 0x2792b7ad, 0x60814156, 0xa9b55a5b, 0xeea6aca0, + 0xb5a0d71b, 0xf2b321e0, 0x3b873aed, 0x7c94cc16, 0x729e0ab6, + 0x358dfc4d, 0xfcb9e740, 0xbbaa11bb, 0x509cc277, 0x178f348c, + 0xdebb2f81, 0x99a8d97a, 0x97a21fda, 0xd0b1e921, 0x1985f22c, + 0x5e9604d7, 0x05907f6c, 0x42838997, 0x8bb7929a, 0xcca46461, + 0xc2aea2c1, 0x85bd543a, 0x4c894f37, 0x0b9ab9cc, 0xfa85b841, + 0xbd964eba, 0x74a255b7, 0x33b1a34c, 0x3dbb65ec, 0x7aa89317, + 0xb39c881a, 0xf48f7ee1, 0xaf89055a, 0xe89af3a1, 0x21aee8ac, + 0x66bd1e57, 0x68b7d8f7, 0x2fa42e0c, 0xe6903501, 0xa183c3fa, + 0xdfdf305a, 0x98ccc6a1, 0x51f8ddac, 0x16eb2b57, 0x18e1edf7, + 0x5ff21b0c, 0x96c60001, 0xd1d5f6fa, 0x8ad38d41, 0xcdc07bba, + 0x04f460b7, 0x43e7964c, 0x4ded50ec, 0x0afea617, 0xc3cabd1a, + 0x84d94be1, 0x75c64a6c, 0x32d5bc97, 0xfbe1a79a, 0xbcf25161, + 0xb2f897c1, 0xf5eb613a, 0x3cdf7a37, 0x7bcc8ccc, 0x20caf777, + 0x67d9018c, 0xaeed1a81, 0xe9feec7a, 0xe7f42ada, 0xa0e7dc21, + 0x69d3c72c, 0x2ec031d7, 0x956a206c, 0xd279d697, 0x1b4dcd9a, + 0x5c5e3b61, 0x5254fdc1, 0x15470b3a, 0xdc731037, 0x9b60e6cc, + 0xc0669d77, 0x87756b8c, 0x4e417081, 0x0952867a, 0x075840da, + 0x404bb621, 0x897fad2c, 0xce6c5bd7, 0x3f735a5a, 0x7860aca1, + 0xb154b7ac, 0xf6474157, 0xf84d87f7, 0xbf5e710c, 0x766a6a01, + 0x31799cfa, 0x6a7fe741, 0x2d6c11ba, 0xe4580ab7, 0xa34bfc4c, + 0xad413aec, 0xea52cc17, 0x2366d71a, 0x647521e1, 0x1a29d241, + 0x5d3a24ba, 0x940e3fb7, 0xd31dc94c, 0xdd170fec, 0x9a04f917, + 0x5330e21a, 0x142314e1, 0x4f256f5a, 0x083699a1, 0xc10282ac, + 0x86117457, 0x881bb2f7, 0xcf08440c, 0x063c5f01, 0x412fa9fa, + 0xb030a877, 0xf7235e8c, 0x3e174581, 0x7904b37a, 0x770e75da, + 0x301d8321, 0xf929982c, 0xbe3a6ed7, 0xe53c156c, 0xa22fe397, + 0x6b1bf89a, 0x2c080e61, 0x2202c8c1, 0x65113e3a, 0xac252537, + 0xeb36d3cc}, + {0x00000000, 0xa13984ee, 0x99020f9d, 0x383b8b73, 0xe975197b, + 0x484c9d95, 0x707716e6, 0xd14e9208, 0x099b34b7, 0xa8a2b059, + 0x90993b2a, 0x31a0bfc4, 0xe0ee2dcc, 0x41d7a922, 0x79ec2251, + 0xd8d5a6bf, 0x1336696e, 0xb20fed80, 0x8a3466f3, 0x2b0de21d, + 0xfa437015, 0x5b7af4fb, 0x63417f88, 0xc278fb66, 0x1aad5dd9, + 0xbb94d937, 0x83af5244, 0x2296d6aa, 0xf3d844a2, 0x52e1c04c, + 0x6ada4b3f, 0xcbe3cfd1, 0x266cd2dc, 0x87555632, 0xbf6edd41, + 0x1e5759af, 0xcf19cba7, 0x6e204f49, 0x561bc43a, 0xf72240d4, + 0x2ff7e66b, 0x8ece6285, 0xb6f5e9f6, 0x17cc6d18, 0xc682ff10, + 0x67bb7bfe, 0x5f80f08d, 0xfeb97463, 0x355abbb2, 0x94633f5c, + 0xac58b42f, 0x0d6130c1, 0xdc2fa2c9, 0x7d162627, 0x452dad54, + 0xe41429ba, 0x3cc18f05, 0x9df80beb, 0xa5c38098, 0x04fa0476, + 0xd5b4967e, 0x748d1290, 0x4cb699e3, 0xed8f1d0d, 0x4cd9a5b8, + 0xede02156, 0xd5dbaa25, 0x74e22ecb, 0xa5acbcc3, 0x0495382d, + 0x3caeb35e, 0x9d9737b0, 0x4542910f, 0xe47b15e1, 0xdc409e92, + 0x7d791a7c, 0xac378874, 0x0d0e0c9a, 0x353587e9, 0x940c0307, + 0x5fefccd6, 0xfed64838, 0xc6edc34b, 0x67d447a5, 0xb69ad5ad, + 0x17a35143, 0x2f98da30, 0x8ea15ede, 0x5674f861, 0xf74d7c8f, + 0xcf76f7fc, 0x6e4f7312, 0xbf01e11a, 0x1e3865f4, 0x2603ee87, + 0x873a6a69, 0x6ab57764, 0xcb8cf38a, 0xf3b778f9, 0x528efc17, + 0x83c06e1f, 0x22f9eaf1, 0x1ac26182, 0xbbfbe56c, 0x632e43d3, + 0xc217c73d, 0xfa2c4c4e, 0x5b15c8a0, 0x8a5b5aa8, 0x2b62de46, + 0x13595535, 0xb260d1db, 0x79831e0a, 0xd8ba9ae4, 0xe0811197, + 0x41b89579, 0x90f60771, 0x31cf839f, 0x09f408ec, 0xa8cd8c02, + 0x70182abd, 0xd121ae53, 0xe91a2520, 0x4823a1ce, 0x996d33c6, + 0x3854b728, 0x006f3c5b, 0xa156b8b5, 0x99b34b70, 0x388acf9e, + 0x00b144ed, 0xa188c003, 0x70c6520b, 0xd1ffd6e5, 0xe9c45d96, + 0x48fdd978, 0x90287fc7, 0x3111fb29, 0x092a705a, 0xa813f4b4, + 0x795d66bc, 0xd864e252, 0xe05f6921, 0x4166edcf, 0x8a85221e, + 0x2bbca6f0, 0x13872d83, 0xb2bea96d, 0x63f03b65, 0xc2c9bf8b, + 0xfaf234f8, 0x5bcbb016, 0x831e16a9, 0x22279247, 0x1a1c1934, + 0xbb259dda, 0x6a6b0fd2, 0xcb528b3c, 0xf369004f, 0x525084a1, + 0xbfdf99ac, 0x1ee61d42, 0x26dd9631, 0x87e412df, 0x56aa80d7, + 0xf7930439, 0xcfa88f4a, 0x6e910ba4, 0xb644ad1b, 0x177d29f5, + 0x2f46a286, 0x8e7f2668, 0x5f31b460, 0xfe08308e, 0xc633bbfd, + 0x670a3f13, 0xace9f0c2, 0x0dd0742c, 0x35ebff5f, 0x94d27bb1, + 0x459ce9b9, 0xe4a56d57, 0xdc9ee624, 0x7da762ca, 0xa572c475, + 0x044b409b, 0x3c70cbe8, 0x9d494f06, 0x4c07dd0e, 0xed3e59e0, + 0xd505d293, 0x743c567d, 0xd56aeec8, 0x74536a26, 0x4c68e155, + 0xed5165bb, 0x3c1ff7b3, 0x9d26735d, 0xa51df82e, 0x04247cc0, + 0xdcf1da7f, 0x7dc85e91, 0x45f3d5e2, 0xe4ca510c, 0x3584c304, + 0x94bd47ea, 0xac86cc99, 0x0dbf4877, 0xc65c87a6, 0x67650348, + 0x5f5e883b, 0xfe670cd5, 0x2f299edd, 0x8e101a33, 0xb62b9140, + 0x171215ae, 0xcfc7b311, 0x6efe37ff, 0x56c5bc8c, 0xf7fc3862, + 0x26b2aa6a, 0x878b2e84, 0xbfb0a5f7, 0x1e892119, 0xf3063c14, + 0x523fb8fa, 0x6a043389, 0xcb3db767, 0x1a73256f, 0xbb4aa181, + 0x83712af2, 0x2248ae1c, 0xfa9d08a3, 0x5ba48c4d, 0x639f073e, + 0xc2a683d0, 0x13e811d8, 0xb2d19536, 0x8aea1e45, 0x2bd39aab, + 0xe030557a, 0x4109d194, 0x79325ae7, 0xd80bde09, 0x09454c01, + 0xa87cc8ef, 0x9047439c, 0x317ec772, 0xe9ab61cd, 0x4892e523, + 0x70a96e50, 0xd190eabe, 0x00de78b6, 0xa1e7fc58, 0x99dc772b, + 0x38e5f3c5}, + {0x00000000, 0xe81790a1, 0x0b5e2703, 0xe349b7a2, 0x16bc4e06, + 0xfeabdea7, 0x1de26905, 0xf5f5f9a4, 0x2d789c0c, 0xc56f0cad, + 0x2626bb0f, 0xce312bae, 0x3bc4d20a, 0xd3d342ab, 0x309af509, + 0xd88d65a8, 0x5af13818, 0xb2e6a8b9, 0x51af1f1b, 0xb9b88fba, + 0x4c4d761e, 0xa45ae6bf, 0x4713511d, 0xaf04c1bc, 0x7789a414, + 0x9f9e34b5, 0x7cd78317, 0x94c013b6, 0x6135ea12, 0x89227ab3, + 0x6a6bcd11, 0x827c5db0, 0xb5e27030, 0x5df5e091, 0xbebc5733, + 0x56abc792, 0xa35e3e36, 0x4b49ae97, 0xa8001935, 0x40178994, + 0x989aec3c, 0x708d7c9d, 0x93c4cb3f, 0x7bd35b9e, 0x8e26a23a, + 0x6631329b, 0x85788539, 0x6d6f1598, 0xef134828, 0x0704d889, + 0xe44d6f2b, 0x0c5aff8a, 0xf9af062e, 0x11b8968f, 0xf2f1212d, + 0x1ae6b18c, 0xc26bd424, 0x2a7c4485, 0xc935f327, 0x21226386, + 0xd4d79a22, 0x3cc00a83, 0xdf89bd21, 0x379e2d80, 0xb0b5e621, + 0x58a27680, 0xbbebc122, 0x53fc5183, 0xa609a827, 0x4e1e3886, + 0xad578f24, 0x45401f85, 0x9dcd7a2d, 0x75daea8c, 0x96935d2e, + 0x7e84cd8f, 0x8b71342b, 0x6366a48a, 0x802f1328, 0x68388389, + 0xea44de39, 0x02534e98, 0xe11af93a, 0x090d699b, 0xfcf8903f, + 0x14ef009e, 0xf7a6b73c, 0x1fb1279d, 0xc73c4235, 0x2f2bd294, + 0xcc626536, 0x2475f597, 0xd1800c33, 0x39979c92, 0xdade2b30, + 0x32c9bb91, 0x05579611, 0xed4006b0, 0x0e09b112, 0xe61e21b3, + 0x13ebd817, 0xfbfc48b6, 0x18b5ff14, 0xf0a26fb5, 0x282f0a1d, + 0xc0389abc, 0x23712d1e, 0xcb66bdbf, 0x3e93441b, 0xd684d4ba, + 0x35cd6318, 0xdddaf3b9, 0x5fa6ae09, 0xb7b13ea8, 0x54f8890a, + 0xbcef19ab, 0x491ae00f, 0xa10d70ae, 0x4244c70c, 0xaa5357ad, + 0x72de3205, 0x9ac9a2a4, 0x79801506, 0x919785a7, 0x64627c03, + 0x8c75eca2, 0x6f3c5b00, 0x872bcba1, 0xba1aca03, 0x520d5aa2, + 0xb144ed00, 0x59537da1, 0xaca68405, 0x44b114a4, 0xa7f8a306, + 0x4fef33a7, 0x9762560f, 0x7f75c6ae, 0x9c3c710c, 0x742be1ad, + 0x81de1809, 0x69c988a8, 0x8a803f0a, 0x6297afab, 0xe0ebf21b, + 0x08fc62ba, 0xebb5d518, 0x03a245b9, 0xf657bc1d, 0x1e402cbc, + 0xfd099b1e, 0x151e0bbf, 0xcd936e17, 0x2584feb6, 0xc6cd4914, + 0x2edad9b5, 0xdb2f2011, 0x3338b0b0, 0xd0710712, 0x386697b3, + 0x0ff8ba33, 0xe7ef2a92, 0x04a69d30, 0xecb10d91, 0x1944f435, + 0xf1536494, 0x121ad336, 0xfa0d4397, 0x2280263f, 0xca97b69e, + 0x29de013c, 0xc1c9919d, 0x343c6839, 0xdc2bf898, 0x3f624f3a, + 0xd775df9b, 0x5509822b, 0xbd1e128a, 0x5e57a528, 0xb6403589, + 0x43b5cc2d, 0xaba25c8c, 0x48ebeb2e, 0xa0fc7b8f, 0x78711e27, + 0x90668e86, 0x732f3924, 0x9b38a985, 0x6ecd5021, 0x86dac080, + 0x65937722, 0x8d84e783, 0x0aaf2c22, 0xe2b8bc83, 0x01f10b21, + 0xe9e69b80, 0x1c136224, 0xf404f285, 0x174d4527, 0xff5ad586, + 0x27d7b02e, 0xcfc0208f, 0x2c89972d, 0xc49e078c, 0x316bfe28, + 0xd97c6e89, 0x3a35d92b, 0xd222498a, 0x505e143a, 0xb849849b, + 0x5b003339, 0xb317a398, 0x46e25a3c, 0xaef5ca9d, 0x4dbc7d3f, + 0xa5abed9e, 0x7d268836, 0x95311897, 0x7678af35, 0x9e6f3f94, + 0x6b9ac630, 0x838d5691, 0x60c4e133, 0x88d37192, 0xbf4d5c12, + 0x575accb3, 0xb4137b11, 0x5c04ebb0, 0xa9f11214, 0x41e682b5, + 0xa2af3517, 0x4ab8a5b6, 0x9235c01e, 0x7a2250bf, 0x996be71d, + 0x717c77bc, 0x84898e18, 0x6c9e1eb9, 0x8fd7a91b, 0x67c039ba, + 0xe5bc640a, 0x0dabf4ab, 0xeee24309, 0x06f5d3a8, 0xf3002a0c, + 0x1b17baad, 0xf85e0d0f, 0x10499dae, 0xc8c4f806, 0x20d368a7, + 0xc39adf05, 0x2b8d4fa4, 0xde78b600, 0x366f26a1, 0xd5269103, + 0x3d3101a2}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x0000000000000000, 0xa19017e800000000, 0x03275e0b00000000, + 0xa2b749e300000000, 0x064ebc1600000000, 0xa7deabfe00000000, + 0x0569e21d00000000, 0xa4f9f5f500000000, 0x0c9c782d00000000, + 0xad0c6fc500000000, 0x0fbb262600000000, 0xae2b31ce00000000, + 0x0ad2c43b00000000, 0xab42d3d300000000, 0x09f59a3000000000, + 0xa8658dd800000000, 0x1838f15a00000000, 0xb9a8e6b200000000, + 0x1b1faf5100000000, 0xba8fb8b900000000, 0x1e764d4c00000000, + 0xbfe65aa400000000, 0x1d51134700000000, 0xbcc104af00000000, + 0x14a4897700000000, 0xb5349e9f00000000, 0x1783d77c00000000, + 0xb613c09400000000, 0x12ea356100000000, 0xb37a228900000000, + 0x11cd6b6a00000000, 0xb05d7c8200000000, 0x3070e2b500000000, + 0x91e0f55d00000000, 0x3357bcbe00000000, 0x92c7ab5600000000, + 0x363e5ea300000000, 0x97ae494b00000000, 0x351900a800000000, + 0x9489174000000000, 0x3cec9a9800000000, 0x9d7c8d7000000000, + 0x3fcbc49300000000, 0x9e5bd37b00000000, 0x3aa2268e00000000, + 0x9b32316600000000, 0x3985788500000000, 0x98156f6d00000000, + 0x284813ef00000000, 0x89d8040700000000, 0x2b6f4de400000000, + 0x8aff5a0c00000000, 0x2e06aff900000000, 0x8f96b81100000000, + 0x2d21f1f200000000, 0x8cb1e61a00000000, 0x24d46bc200000000, + 0x85447c2a00000000, 0x27f335c900000000, 0x8663222100000000, + 0x229ad7d400000000, 0x830ac03c00000000, 0x21bd89df00000000, + 0x802d9e3700000000, 0x21e6b5b000000000, 0x8076a25800000000, + 0x22c1ebbb00000000, 0x8351fc5300000000, 0x27a809a600000000, + 0x86381e4e00000000, 0x248f57ad00000000, 0x851f404500000000, + 0x2d7acd9d00000000, 0x8ceada7500000000, 0x2e5d939600000000, + 0x8fcd847e00000000, 0x2b34718b00000000, 0x8aa4666300000000, + 0x28132f8000000000, 0x8983386800000000, 0x39de44ea00000000, + 0x984e530200000000, 0x3af91ae100000000, 0x9b690d0900000000, + 0x3f90f8fc00000000, 0x9e00ef1400000000, 0x3cb7a6f700000000, + 0x9d27b11f00000000, 0x35423cc700000000, 0x94d22b2f00000000, + 0x366562cc00000000, 0x97f5752400000000, 0x330c80d100000000, + 0x929c973900000000, 0x302bdeda00000000, 0x91bbc93200000000, + 0x1196570500000000, 0xb00640ed00000000, 0x12b1090e00000000, + 0xb3211ee600000000, 0x17d8eb1300000000, 0xb648fcfb00000000, + 0x14ffb51800000000, 0xb56fa2f000000000, 0x1d0a2f2800000000, + 0xbc9a38c000000000, 0x1e2d712300000000, 0xbfbd66cb00000000, + 0x1b44933e00000000, 0xbad484d600000000, 0x1863cd3500000000, + 0xb9f3dadd00000000, 0x09aea65f00000000, 0xa83eb1b700000000, + 0x0a89f85400000000, 0xab19efbc00000000, 0x0fe01a4900000000, + 0xae700da100000000, 0x0cc7444200000000, 0xad5753aa00000000, + 0x0532de7200000000, 0xa4a2c99a00000000, 0x0615807900000000, + 0xa785979100000000, 0x037c626400000000, 0xa2ec758c00000000, + 0x005b3c6f00000000, 0xa1cb2b8700000000, 0x03ca1aba00000000, + 0xa25a0d5200000000, 0x00ed44b100000000, 0xa17d535900000000, + 0x0584a6ac00000000, 0xa414b14400000000, 0x06a3f8a700000000, + 0xa733ef4f00000000, 0x0f56629700000000, 0xaec6757f00000000, + 0x0c713c9c00000000, 0xade12b7400000000, 0x0918de8100000000, + 0xa888c96900000000, 0x0a3f808a00000000, 0xabaf976200000000, + 0x1bf2ebe000000000, 0xba62fc0800000000, 0x18d5b5eb00000000, + 0xb945a20300000000, 0x1dbc57f600000000, 0xbc2c401e00000000, + 0x1e9b09fd00000000, 0xbf0b1e1500000000, 0x176e93cd00000000, + 0xb6fe842500000000, 0x1449cdc600000000, 0xb5d9da2e00000000, + 0x11202fdb00000000, 0xb0b0383300000000, 0x120771d000000000, + 0xb397663800000000, 0x33baf80f00000000, 0x922aefe700000000, + 0x309da60400000000, 0x910db1ec00000000, 0x35f4441900000000, + 0x946453f100000000, 0x36d31a1200000000, 0x97430dfa00000000, + 0x3f26802200000000, 0x9eb697ca00000000, 0x3c01de2900000000, + 0x9d91c9c100000000, 0x39683c3400000000, 0x98f82bdc00000000, + 0x3a4f623f00000000, 0x9bdf75d700000000, 0x2b82095500000000, + 0x8a121ebd00000000, 0x28a5575e00000000, 0x893540b600000000, + 0x2dccb54300000000, 0x8c5ca2ab00000000, 0x2eebeb4800000000, + 0x8f7bfca000000000, 0x271e717800000000, 0x868e669000000000, + 0x24392f7300000000, 0x85a9389b00000000, 0x2150cd6e00000000, + 0x80c0da8600000000, 0x2277936500000000, 0x83e7848d00000000, + 0x222caf0a00000000, 0x83bcb8e200000000, 0x210bf10100000000, + 0x809be6e900000000, 0x2462131c00000000, 0x85f204f400000000, + 0x27454d1700000000, 0x86d55aff00000000, 0x2eb0d72700000000, + 0x8f20c0cf00000000, 0x2d97892c00000000, 0x8c079ec400000000, + 0x28fe6b3100000000, 0x896e7cd900000000, 0x2bd9353a00000000, + 0x8a4922d200000000, 0x3a145e5000000000, 0x9b8449b800000000, + 0x3933005b00000000, 0x98a317b300000000, 0x3c5ae24600000000, + 0x9dcaf5ae00000000, 0x3f7dbc4d00000000, 0x9eedaba500000000, + 0x3688267d00000000, 0x9718319500000000, 0x35af787600000000, + 0x943f6f9e00000000, 0x30c69a6b00000000, 0x91568d8300000000, + 0x33e1c46000000000, 0x9271d38800000000, 0x125c4dbf00000000, + 0xb3cc5a5700000000, 0x117b13b400000000, 0xb0eb045c00000000, + 0x1412f1a900000000, 0xb582e64100000000, 0x1735afa200000000, + 0xb6a5b84a00000000, 0x1ec0359200000000, 0xbf50227a00000000, + 0x1de76b9900000000, 0xbc777c7100000000, 0x188e898400000000, + 0xb91e9e6c00000000, 0x1ba9d78f00000000, 0xba39c06700000000, + 0x0a64bce500000000, 0xabf4ab0d00000000, 0x0943e2ee00000000, + 0xa8d3f50600000000, 0x0c2a00f300000000, 0xadba171b00000000, + 0x0f0d5ef800000000, 0xae9d491000000000, 0x06f8c4c800000000, + 0xa768d32000000000, 0x05df9ac300000000, 0xa44f8d2b00000000, + 0x00b678de00000000, 0xa1266f3600000000, 0x039126d500000000, + 0xa201313d00000000}, + {0x0000000000000000, 0xee8439a100000000, 0x9d0f029900000000, + 0x738b3b3800000000, 0x7b1975e900000000, 0x959d4c4800000000, + 0xe616777000000000, 0x08924ed100000000, 0xb7349b0900000000, + 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0x0c40440400000000, 0xa35dcfbf00000000, + 0xc656b6d600000000, 0xbc60a81300000000, 0xd96bd17a00000000, + 0x76765ac100000000, 0x137d23a800000000, 0xd6b532b100000000, + 0xb3be4bd800000000, 0x1ca3c06300000000, 0x79a8b90a00000000, + 0x039ea7cf00000000, 0x6695dea600000000, 0xc988551d00000000, + 0xac832c7400000000, 0x7ce2184c00000000, 0x19e9612500000000, + 0xb6f4ea9e00000000, 0xd3ff93f700000000, 0xa9c98d3200000000, + 0xccc2f45b00000000, 0x63df7fe000000000, 0x06d4068900000000, + 0xbdeaca5600000000, 0xd8e1b33f00000000, 0x77fc388400000000, + 0x12f741ed00000000, 0x68c15f2800000000, 0x0dca264100000000, + 0xa2d7adfa00000000, 0xc7dcd49300000000, 0x17bde0ab00000000, + 0x72b699c200000000, 0xddab127900000000, 0xb8a06b1000000000, + 0xc29675d500000000, 0xa79d0cbc00000000, 0x0880870700000000, + 0x6d8bfe6e00000000, 0xa843ef7700000000, 0xcd48961e00000000, + 0x62551da500000000, 0x075e64cc00000000, 0x7d687a0900000000, + 0x1863036000000000, 0xb77e88db00000000, 0xd275f1b200000000, + 0x0214c58a00000000, 0x671fbce300000000, 0xc802375800000000, + 0xad094e3100000000, 0xd73f50f400000000, 0xb234299d00000000, + 0x1d29a22600000000, 0x7822db4f00000000, 0x97b8811400000000, + 0xf2b3f87d00000000, 0x5dae73c600000000, 0x38a50aaf00000000, + 0x4293146a00000000, 0x27986d0300000000, 0x8885e6b800000000, + 0xed8e9fd100000000, 0x3defabe900000000, 0x58e4d28000000000, + 0xf7f9593b00000000, 0x92f2205200000000, 0xe8c43e9700000000, + 0x8dcf47fe00000000, 0x22d2cc4500000000, 0x47d9b52c00000000, + 0x8211a43500000000, 0xe71add5c00000000, 0x480756e700000000, + 0x2d0c2f8e00000000, 0x573a314b00000000, 0x3231482200000000, + 0x9d2cc39900000000, 0xf827baf000000000, 0x28468ec800000000, + 0x4d4df7a100000000, 0xe2507c1a00000000, 0x875b057300000000, + 0xfd6d1bb600000000, 0x986662df00000000, 0x377be96400000000, + 0x5270900d00000000}, + {0x0000000000000000, 0xdcecb13d00000000, 0xb8d9637b00000000, + 0x6435d24600000000, 0x70b3c7f600000000, 0xac5f76cb00000000, + 0xc86aa48d00000000, 0x148615b000000000, 0xa160fe3600000000, + 0x7d8c4f0b00000000, 0x19b99d4d00000000, 0xc5552c7000000000, + 0xd1d339c000000000, 0x0d3f88fd00000000, 0x690a5abb00000000, + 0xb5e6eb8600000000, 0x42c1fc6d00000000, 0x9e2d4d5000000000, + 0xfa189f1600000000, 0x26f42e2b00000000, 0x32723b9b00000000, + 0xee9e8aa600000000, 0x8aab58e000000000, 0x5647e9dd00000000, + 0xe3a1025b00000000, 0x3f4db36600000000, 0x5b78612000000000, + 0x8794d01d00000000, 0x9312c5ad00000000, 0x4ffe749000000000, + 0x2bcba6d600000000, 0xf72717eb00000000, 0x8482f9db00000000, + 0x586e48e600000000, 0x3c5b9aa000000000, 0xe0b72b9d00000000, + 0xf4313e2d00000000, 0x28dd8f1000000000, 0x4ce85d5600000000, + 0x9004ec6b00000000, 0x25e207ed00000000, 0xf90eb6d000000000, + 0x9d3b649600000000, 0x41d7d5ab00000000, 0x5551c01b00000000, + 0x89bd712600000000, 0xed88a36000000000, 0x3164125d00000000, + 0xc64305b600000000, 0x1aafb48b00000000, 0x7e9a66cd00000000, + 0xa276d7f000000000, 0xb6f0c24000000000, 0x6a1c737d00000000, + 0x0e29a13b00000000, 0xd2c5100600000000, 0x6723fb8000000000, + 0xbbcf4abd00000000, 0xdffa98fb00000000, 0x031629c600000000, + 0x17903c7600000000, 0xcb7c8d4b00000000, 0xaf495f0d00000000, + 0x73a5ee3000000000, 0x4903826c00000000, 0x95ef335100000000, + 0xf1dae11700000000, 0x2d36502a00000000, 0x39b0459a00000000, + 0xe55cf4a700000000, 0x816926e100000000, 0x5d8597dc00000000, + 0xe8637c5a00000000, 0x348fcd6700000000, 0x50ba1f2100000000, + 0x8c56ae1c00000000, 0x98d0bbac00000000, 0x443c0a9100000000, + 0x2009d8d700000000, 0xfce569ea00000000, 0x0bc27e0100000000, + 0xd72ecf3c00000000, 0xb31b1d7a00000000, 0x6ff7ac4700000000, + 0x7b71b9f700000000, 0xa79d08ca00000000, 0xc3a8da8c00000000, + 0x1f446bb100000000, 0xaaa2803700000000, 0x764e310a00000000, + 0x127be34c00000000, 0xce97527100000000, 0xda1147c100000000, + 0x06fdf6fc00000000, 0x62c824ba00000000, 0xbe24958700000000, + 0xcd817bb700000000, 0x116dca8a00000000, 0x755818cc00000000, + 0xa9b4a9f100000000, 0xbd32bc4100000000, 0x61de0d7c00000000, + 0x05ebdf3a00000000, 0xd9076e0700000000, 0x6ce1858100000000, + 0xb00d34bc00000000, 0xd438e6fa00000000, 0x08d457c700000000, + 0x1c52427700000000, 0xc0bef34a00000000, 0xa48b210c00000000, + 0x7867903100000000, 0x8f4087da00000000, 0x53ac36e700000000, + 0x3799e4a100000000, 0xeb75559c00000000, 0xfff3402c00000000, + 0x231ff11100000000, 0x472a235700000000, 0x9bc6926a00000000, + 0x2e2079ec00000000, 0xf2ccc8d100000000, 0x96f91a9700000000, + 0x4a15abaa00000000, 0x5e93be1a00000000, 0x827f0f2700000000, + 0xe64add6100000000, 0x3aa66c5c00000000, 0x920604d900000000, + 0x4eeab5e400000000, 0x2adf67a200000000, 0xf633d69f00000000, + 0xe2b5c32f00000000, 0x3e59721200000000, 0x5a6ca05400000000, + 0x8680116900000000, 0x3366faef00000000, 0xef8a4bd200000000, + 0x8bbf999400000000, 0x575328a900000000, 0x43d53d1900000000, + 0x9f398c2400000000, 0xfb0c5e6200000000, 0x27e0ef5f00000000, + 0xd0c7f8b400000000, 0x0c2b498900000000, 0x681e9bcf00000000, + 0xb4f22af200000000, 0xa0743f4200000000, 0x7c988e7f00000000, + 0x18ad5c3900000000, 0xc441ed0400000000, 0x71a7068200000000, + 0xad4bb7bf00000000, 0xc97e65f900000000, 0x1592d4c400000000, + 0x0114c17400000000, 0xddf8704900000000, 0xb9cda20f00000000, + 0x6521133200000000, 0x1684fd0200000000, 0xca684c3f00000000, + 0xae5d9e7900000000, 0x72b12f4400000000, 0x66373af400000000, + 0xbadb8bc900000000, 0xdeee598f00000000, 0x0202e8b200000000, + 0xb7e4033400000000, 0x6b08b20900000000, 0x0f3d604f00000000, + 0xd3d1d17200000000, 0xc757c4c200000000, 0x1bbb75ff00000000, + 0x7f8ea7b900000000, 0xa362168400000000, 0x5445016f00000000, + 0x88a9b05200000000, 0xec9c621400000000, 0x3070d32900000000, + 0x24f6c69900000000, 0xf81a77a400000000, 0x9c2fa5e200000000, + 0x40c314df00000000, 0xf525ff5900000000, 0x29c94e6400000000, + 0x4dfc9c2200000000, 0x91102d1f00000000, 0x859638af00000000, + 0x597a899200000000, 0x3d4f5bd400000000, 0xe1a3eae900000000, + 0xdb0586b500000000, 0x07e9378800000000, 0x63dce5ce00000000, + 0xbf3054f300000000, 0xabb6414300000000, 0x775af07e00000000, + 0x136f223800000000, 0xcf83930500000000, 0x7a65788300000000, + 0xa689c9be00000000, 0xc2bc1bf800000000, 0x1e50aac500000000, + 0x0ad6bf7500000000, 0xd63a0e4800000000, 0xb20fdc0e00000000, + 0x6ee36d3300000000, 0x99c47ad800000000, 0x4528cbe500000000, + 0x211d19a300000000, 0xfdf1a89e00000000, 0xe977bd2e00000000, + 0x359b0c1300000000, 0x51aede5500000000, 0x8d426f6800000000, + 0x38a484ee00000000, 0xe44835d300000000, 0x807de79500000000, + 0x5c9156a800000000, 0x4817431800000000, 0x94fbf22500000000, + 0xf0ce206300000000, 0x2c22915e00000000, 0x5f877f6e00000000, + 0x836bce5300000000, 0xe75e1c1500000000, 0x3bb2ad2800000000, + 0x2f34b89800000000, 0xf3d809a500000000, 0x97eddbe300000000, + 0x4b016ade00000000, 0xfee7815800000000, 0x220b306500000000, + 0x463ee22300000000, 0x9ad2531e00000000, 0x8e5446ae00000000, + 0x52b8f79300000000, 0x368d25d500000000, 0xea6194e800000000, + 0x1d46830300000000, 0xc1aa323e00000000, 0xa59fe07800000000, + 0x7973514500000000, 0x6df544f500000000, 0xb119f5c800000000, + 0xd52c278e00000000, 0x09c096b300000000, 0xbc267d3500000000, + 0x60cacc0800000000, 0x04ff1e4e00000000, 0xd813af7300000000, + 0xcc95bac300000000, 0x10790bfe00000000, 0x744cd9b800000000, + 0xa8a0688500000000}}; + +#else /* W == 4 */ + +local const z_crc_t FAR crc_braid_table[][256] = { + {0x00000000, 0x81256527, 0xd93bcc0f, 0x581ea928, 0x69069e5f, + 0xe823fb78, 0xb03d5250, 0x31183777, 0xd20d3cbe, 0x53285999, + 0x0b36f0b1, 0x8a139596, 0xbb0ba2e1, 0x3a2ec7c6, 0x62306eee, + 0xe3150bc9, 0x7f6b7f3d, 0xfe4e1a1a, 0xa650b332, 0x2775d615, + 0x166de162, 0x97488445, 0xcf562d6d, 0x4e73484a, 0xad664383, + 0x2c4326a4, 0x745d8f8c, 0xf578eaab, 0xc460dddc, 0x4545b8fb, + 0x1d5b11d3, 0x9c7e74f4, 0xfed6fe7a, 0x7ff39b5d, 0x27ed3275, + 0xa6c85752, 0x97d06025, 0x16f50502, 0x4eebac2a, 0xcfcec90d, + 0x2cdbc2c4, 0xadfea7e3, 0xf5e00ecb, 0x74c56bec, 0x45dd5c9b, + 0xc4f839bc, 0x9ce69094, 0x1dc3f5b3, 0x81bd8147, 0x0098e460, + 0x58864d48, 0xd9a3286f, 0xe8bb1f18, 0x699e7a3f, 0x3180d317, + 0xb0a5b630, 0x53b0bdf9, 0xd295d8de, 0x8a8b71f6, 0x0bae14d1, + 0x3ab623a6, 0xbb934681, 0xe38defa9, 0x62a88a8e, 0x26dcfab5, + 0xa7f99f92, 0xffe736ba, 0x7ec2539d, 0x4fda64ea, 0xceff01cd, + 0x96e1a8e5, 0x17c4cdc2, 0xf4d1c60b, 0x75f4a32c, 0x2dea0a04, + 0xaccf6f23, 0x9dd75854, 0x1cf23d73, 0x44ec945b, 0xc5c9f17c, + 0x59b78588, 0xd892e0af, 0x808c4987, 0x01a92ca0, 0x30b11bd7, + 0xb1947ef0, 0xe98ad7d8, 0x68afb2ff, 0x8bbab936, 0x0a9fdc11, + 0x52817539, 0xd3a4101e, 0xe2bc2769, 0x6399424e, 0x3b87eb66, + 0xbaa28e41, 0xd80a04cf, 0x592f61e8, 0x0131c8c0, 0x8014ade7, + 0xb10c9a90, 0x3029ffb7, 0x6837569f, 0xe91233b8, 0x0a073871, + 0x8b225d56, 0xd33cf47e, 0x52199159, 0x6301a62e, 0xe224c309, + 0xba3a6a21, 0x3b1f0f06, 0xa7617bf2, 0x26441ed5, 0x7e5ab7fd, + 0xff7fd2da, 0xce67e5ad, 0x4f42808a, 0x175c29a2, 0x96794c85, + 0x756c474c, 0xf449226b, 0xac578b43, 0x2d72ee64, 0x1c6ad913, + 0x9d4fbc34, 0xc551151c, 0x4474703b, 0x4db9f56a, 0xcc9c904d, + 0x94823965, 0x15a75c42, 0x24bf6b35, 0xa59a0e12, 0xfd84a73a, + 0x7ca1c21d, 0x9fb4c9d4, 0x1e91acf3, 0x468f05db, 0xc7aa60fc, + 0xf6b2578b, 0x779732ac, 0x2f899b84, 0xaeacfea3, 0x32d28a57, + 0xb3f7ef70, 0xebe94658, 0x6acc237f, 0x5bd41408, 0xdaf1712f, + 0x82efd807, 0x03cabd20, 0xe0dfb6e9, 0x61fad3ce, 0x39e47ae6, + 0xb8c11fc1, 0x89d928b6, 0x08fc4d91, 0x50e2e4b9, 0xd1c7819e, + 0xb36f0b10, 0x324a6e37, 0x6a54c71f, 0xeb71a238, 0xda69954f, + 0x5b4cf068, 0x03525940, 0x82773c67, 0x616237ae, 0xe0475289, + 0xb859fba1, 0x397c9e86, 0x0864a9f1, 0x8941ccd6, 0xd15f65fe, + 0x507a00d9, 0xcc04742d, 0x4d21110a, 0x153fb822, 0x941add05, + 0xa502ea72, 0x24278f55, 0x7c39267d, 0xfd1c435a, 0x1e094893, + 0x9f2c2db4, 0xc732849c, 0x4617e1bb, 0x770fd6cc, 0xf62ab3eb, + 0xae341ac3, 0x2f117fe4, 0x6b650fdf, 0xea406af8, 0xb25ec3d0, + 0x337ba6f7, 0x02639180, 0x8346f4a7, 0xdb585d8f, 0x5a7d38a8, + 0xb9683361, 0x384d5646, 0x6053ff6e, 0xe1769a49, 0xd06ead3e, + 0x514bc819, 0x09556131, 0x88700416, 0x140e70e2, 0x952b15c5, + 0xcd35bced, 0x4c10d9ca, 0x7d08eebd, 0xfc2d8b9a, 0xa43322b2, + 0x25164795, 0xc6034c5c, 0x4726297b, 0x1f388053, 0x9e1de574, + 0xaf05d203, 0x2e20b724, 0x763e1e0c, 0xf71b7b2b, 0x95b3f1a5, + 0x14969482, 0x4c883daa, 0xcdad588d, 0xfcb56ffa, 0x7d900add, + 0x258ea3f5, 0xa4abc6d2, 0x47becd1b, 0xc69ba83c, 0x9e850114, + 0x1fa06433, 0x2eb85344, 0xaf9d3663, 0xf7839f4b, 0x76a6fa6c, + 0xead88e98, 0x6bfdebbf, 0x33e34297, 0xb2c627b0, 0x83de10c7, + 0x02fb75e0, 0x5ae5dcc8, 0xdbc0b9ef, 0x38d5b226, 0xb9f0d701, + 0xe1ee7e29, 0x60cb1b0e, 0x51d32c79, 0xd0f6495e, 0x88e8e076, + 0x09cd8551}, + {0x00000000, 0x9b73ead4, 0xed96d3e9, 0x76e5393d, 0x005ca193, + 0x9b2f4b47, 0xedca727a, 0x76b998ae, 0x00b94326, 0x9bcaa9f2, + 0xed2f90cf, 0x765c7a1b, 0x00e5e2b5, 0x9b960861, 0xed73315c, + 0x7600db88, 0x0172864c, 0x9a016c98, 0xece455a5, 0x7797bf71, + 0x012e27df, 0x9a5dcd0b, 0xecb8f436, 0x77cb1ee2, 0x01cbc56a, + 0x9ab82fbe, 0xec5d1683, 0x772efc57, 0x019764f9, 0x9ae48e2d, + 0xec01b710, 0x77725dc4, 0x02e50c98, 0x9996e64c, 0xef73df71, + 0x740035a5, 0x02b9ad0b, 0x99ca47df, 0xef2f7ee2, 0x745c9436, + 0x025c4fbe, 0x992fa56a, 0xefca9c57, 0x74b97683, 0x0200ee2d, + 0x997304f9, 0xef963dc4, 0x74e5d710, 0x03978ad4, 0x98e46000, + 0xee01593d, 0x7572b3e9, 0x03cb2b47, 0x98b8c193, 0xee5df8ae, + 0x752e127a, 0x032ec9f2, 0x985d2326, 0xeeb81a1b, 0x75cbf0cf, + 0x03726861, 0x980182b5, 0xeee4bb88, 0x7597515c, 0x05ca1930, + 0x9eb9f3e4, 0xe85ccad9, 0x732f200d, 0x0596b8a3, 0x9ee55277, + 0xe8006b4a, 0x7373819e, 0x05735a16, 0x9e00b0c2, 0xe8e589ff, + 0x7396632b, 0x052ffb85, 0x9e5c1151, 0xe8b9286c, 0x73cac2b8, + 0x04b89f7c, 0x9fcb75a8, 0xe92e4c95, 0x725da641, 0x04e43eef, + 0x9f97d43b, 0xe972ed06, 0x720107d2, 0x0401dc5a, 0x9f72368e, + 0xe9970fb3, 0x72e4e567, 0x045d7dc9, 0x9f2e971d, 0xe9cbae20, + 0x72b844f4, 0x072f15a8, 0x9c5cff7c, 0xeab9c641, 0x71ca2c95, + 0x0773b43b, 0x9c005eef, 0xeae567d2, 0x71968d06, 0x0796568e, + 0x9ce5bc5a, 0xea008567, 0x71736fb3, 0x07caf71d, 0x9cb91dc9, + 0xea5c24f4, 0x712fce20, 0x065d93e4, 0x9d2e7930, 0xebcb400d, + 0x70b8aad9, 0x06013277, 0x9d72d8a3, 0xeb97e19e, 0x70e40b4a, + 0x06e4d0c2, 0x9d973a16, 0xeb72032b, 0x7001e9ff, 0x06b87151, + 0x9dcb9b85, 0xeb2ea2b8, 0x705d486c, 0x0b943260, 0x90e7d8b4, + 0xe602e189, 0x7d710b5d, 0x0bc893f3, 0x90bb7927, 0xe65e401a, + 0x7d2daace, 0x0b2d7146, 0x905e9b92, 0xe6bba2af, 0x7dc8487b, + 0x0b71d0d5, 0x90023a01, 0xe6e7033c, 0x7d94e9e8, 0x0ae6b42c, + 0x91955ef8, 0xe77067c5, 0x7c038d11, 0x0aba15bf, 0x91c9ff6b, + 0xe72cc656, 0x7c5f2c82, 0x0a5ff70a, 0x912c1dde, 0xe7c924e3, + 0x7cbace37, 0x0a035699, 0x9170bc4d, 0xe7958570, 0x7ce66fa4, + 0x09713ef8, 0x9202d42c, 0xe4e7ed11, 0x7f9407c5, 0x092d9f6b, + 0x925e75bf, 0xe4bb4c82, 0x7fc8a656, 0x09c87dde, 0x92bb970a, + 0xe45eae37, 0x7f2d44e3, 0x0994dc4d, 0x92e73699, 0xe4020fa4, + 0x7f71e570, 0x0803b8b4, 0x93705260, 0xe5956b5d, 0x7ee68189, + 0x085f1927, 0x932cf3f3, 0xe5c9cace, 0x7eba201a, 0x08bafb92, + 0x93c91146, 0xe52c287b, 0x7e5fc2af, 0x08e65a01, 0x9395b0d5, + 0xe57089e8, 0x7e03633c, 0x0e5e2b50, 0x952dc184, 0xe3c8f8b9, + 0x78bb126d, 0x0e028ac3, 0x95716017, 0xe394592a, 0x78e7b3fe, + 0x0ee76876, 0x959482a2, 0xe371bb9f, 0x7802514b, 0x0ebbc9e5, + 0x95c82331, 0xe32d1a0c, 0x785ef0d8, 0x0f2cad1c, 0x945f47c8, + 0xe2ba7ef5, 0x79c99421, 0x0f700c8f, 0x9403e65b, 0xe2e6df66, + 0x799535b2, 0x0f95ee3a, 0x94e604ee, 0xe2033dd3, 0x7970d707, + 0x0fc94fa9, 0x94baa57d, 0xe25f9c40, 0x792c7694, 0x0cbb27c8, + 0x97c8cd1c, 0xe12df421, 0x7a5e1ef5, 0x0ce7865b, 0x97946c8f, + 0xe17155b2, 0x7a02bf66, 0x0c0264ee, 0x97718e3a, 0xe194b707, + 0x7ae75dd3, 0x0c5ec57d, 0x972d2fa9, 0xe1c81694, 0x7abbfc40, + 0x0dc9a184, 0x96ba4b50, 0xe05f726d, 0x7b2c98b9, 0x0d950017, + 0x96e6eac3, 0xe003d3fe, 0x7b70392a, 0x0d70e2a2, 0x96030876, + 0xe0e6314b, 0x7b95db9f, 0x0d2c4331, 0x965fa9e5, 0xe0ba90d8, + 0x7bc97a0c}, + {0x00000000, 0x172864c0, 0x2e50c980, 0x3978ad40, 0x5ca19300, + 0x4b89f7c0, 0x72f15a80, 0x65d93e40, 0xb9432600, 0xae6b42c0, + 0x9713ef80, 0x803b8b40, 0xe5e2b500, 0xf2cad1c0, 0xcbb27c80, + 0xdc9a1840, 0xa9f74a41, 0xbedf2e81, 0x87a783c1, 0x908fe701, + 0xf556d941, 0xe27ebd81, 0xdb0610c1, 0xcc2e7401, 0x10b46c41, + 0x079c0881, 0x3ee4a5c1, 0x29ccc101, 0x4c15ff41, 0x5b3d9b81, + 0x624536c1, 0x756d5201, 0x889f92c3, 0x9fb7f603, 0xa6cf5b43, + 0xb1e73f83, 0xd43e01c3, 0xc3166503, 0xfa6ec843, 0xed46ac83, + 0x31dcb4c3, 0x26f4d003, 0x1f8c7d43, 0x08a41983, 0x6d7d27c3, + 0x7a554303, 0x432dee43, 0x54058a83, 0x2168d882, 0x3640bc42, + 0x0f381102, 0x181075c2, 0x7dc94b82, 0x6ae12f42, 0x53998202, + 0x44b1e6c2, 0x982bfe82, 0x8f039a42, 0xb67b3702, 0xa15353c2, + 0xc48a6d82, 0xd3a20942, 0xeadaa402, 0xfdf2c0c2, 0xca4e23c7, + 0xdd664707, 0xe41eea47, 0xf3368e87, 0x96efb0c7, 0x81c7d407, + 0xb8bf7947, 0xaf971d87, 0x730d05c7, 0x64256107, 0x5d5dcc47, + 0x4a75a887, 0x2fac96c7, 0x3884f207, 0x01fc5f47, 0x16d43b87, + 0x63b96986, 0x74910d46, 0x4de9a006, 0x5ac1c4c6, 0x3f18fa86, + 0x28309e46, 0x11483306, 0x066057c6, 0xdafa4f86, 0xcdd22b46, + 0xf4aa8606, 0xe382e2c6, 0x865bdc86, 0x9173b846, 0xa80b1506, + 0xbf2371c6, 0x42d1b104, 0x55f9d5c4, 0x6c817884, 0x7ba91c44, + 0x1e702204, 0x095846c4, 0x3020eb84, 0x27088f44, 0xfb929704, + 0xecbaf3c4, 0xd5c25e84, 0xc2ea3a44, 0xa7330404, 0xb01b60c4, + 0x8963cd84, 0x9e4ba944, 0xeb26fb45, 0xfc0e9f85, 0xc57632c5, + 0xd25e5605, 0xb7876845, 0xa0af0c85, 0x99d7a1c5, 0x8effc505, + 0x5265dd45, 0x454db985, 0x7c3514c5, 0x6b1d7005, 0x0ec44e45, + 0x19ec2a85, 0x209487c5, 0x37bce305, 0x4fed41cf, 0x58c5250f, + 0x61bd884f, 0x7695ec8f, 0x134cd2cf, 0x0464b60f, 0x3d1c1b4f, + 0x2a347f8f, 0xf6ae67cf, 0xe186030f, 0xd8feae4f, 0xcfd6ca8f, + 0xaa0ff4cf, 0xbd27900f, 0x845f3d4f, 0x9377598f, 0xe61a0b8e, + 0xf1326f4e, 0xc84ac20e, 0xdf62a6ce, 0xbabb988e, 0xad93fc4e, + 0x94eb510e, 0x83c335ce, 0x5f592d8e, 0x4871494e, 0x7109e40e, + 0x662180ce, 0x03f8be8e, 0x14d0da4e, 0x2da8770e, 0x3a8013ce, + 0xc772d30c, 0xd05ab7cc, 0xe9221a8c, 0xfe0a7e4c, 0x9bd3400c, + 0x8cfb24cc, 0xb583898c, 0xa2abed4c, 0x7e31f50c, 0x691991cc, + 0x50613c8c, 0x4749584c, 0x2290660c, 0x35b802cc, 0x0cc0af8c, + 0x1be8cb4c, 0x6e85994d, 0x79adfd8d, 0x40d550cd, 0x57fd340d, + 0x32240a4d, 0x250c6e8d, 0x1c74c3cd, 0x0b5ca70d, 0xd7c6bf4d, + 0xc0eedb8d, 0xf99676cd, 0xeebe120d, 0x8b672c4d, 0x9c4f488d, + 0xa537e5cd, 0xb21f810d, 0x85a36208, 0x928b06c8, 0xabf3ab88, + 0xbcdbcf48, 0xd902f108, 0xce2a95c8, 0xf7523888, 0xe07a5c48, + 0x3ce04408, 0x2bc820c8, 0x12b08d88, 0x0598e948, 0x6041d708, + 0x7769b3c8, 0x4e111e88, 0x59397a48, 0x2c542849, 0x3b7c4c89, + 0x0204e1c9, 0x152c8509, 0x70f5bb49, 0x67dddf89, 0x5ea572c9, + 0x498d1609, 0x95170e49, 0x823f6a89, 0xbb47c7c9, 0xac6fa309, + 0xc9b69d49, 0xde9ef989, 0xe7e654c9, 0xf0ce3009, 0x0d3cf0cb, + 0x1a14940b, 0x236c394b, 0x34445d8b, 0x519d63cb, 0x46b5070b, + 0x7fcdaa4b, 0x68e5ce8b, 0xb47fd6cb, 0xa357b20b, 0x9a2f1f4b, + 0x8d077b8b, 0xe8de45cb, 0xfff6210b, 0xc68e8c4b, 0xd1a6e88b, + 0xa4cbba8a, 0xb3e3de4a, 0x8a9b730a, 0x9db317ca, 0xf86a298a, + 0xef424d4a, 0xd63ae00a, 0xc11284ca, 0x1d889c8a, 0x0aa0f84a, + 0x33d8550a, 0x24f031ca, 0x41290f8a, 0x56016b4a, 0x6f79c60a, + 0x7851a2ca}, + {0x00000000, 0x9fda839e, 0xe4c4017d, 0x7b1e82e3, 0x12f904bb, + 0x8d238725, 0xf63d05c6, 0x69e78658, 0x25f20976, 0xba288ae8, + 0xc136080b, 0x5eec8b95, 0x370b0dcd, 0xa8d18e53, 0xd3cf0cb0, + 0x4c158f2e, 0x4be412ec, 0xd43e9172, 0xaf201391, 0x30fa900f, + 0x591d1657, 0xc6c795c9, 0xbdd9172a, 0x220394b4, 0x6e161b9a, + 0xf1cc9804, 0x8ad21ae7, 0x15089979, 0x7cef1f21, 0xe3359cbf, + 0x982b1e5c, 0x07f19dc2, 0x97c825d8, 0x0812a646, 0x730c24a5, + 0xecd6a73b, 0x85312163, 0x1aeba2fd, 0x61f5201e, 0xfe2fa380, + 0xb23a2cae, 0x2de0af30, 0x56fe2dd3, 0xc924ae4d, 0xa0c32815, + 0x3f19ab8b, 0x44072968, 0xdbddaaf6, 0xdc2c3734, 0x43f6b4aa, + 0x38e83649, 0xa732b5d7, 0xced5338f, 0x510fb011, 0x2a1132f2, + 0xb5cbb16c, 0xf9de3e42, 0x6604bddc, 0x1d1a3f3f, 0x82c0bca1, + 0xeb273af9, 0x74fdb967, 0x0fe33b84, 0x9039b81a, 0xf4e14df1, + 0x6b3bce6f, 0x10254c8c, 0x8fffcf12, 0xe618494a, 0x79c2cad4, + 0x02dc4837, 0x9d06cba9, 0xd1134487, 0x4ec9c719, 0x35d745fa, + 0xaa0dc664, 0xc3ea403c, 0x5c30c3a2, 0x272e4141, 0xb8f4c2df, + 0xbf055f1d, 0x20dfdc83, 0x5bc15e60, 0xc41bddfe, 0xadfc5ba6, + 0x3226d838, 0x49385adb, 0xd6e2d945, 0x9af7566b, 0x052dd5f5, + 0x7e335716, 0xe1e9d488, 0x880e52d0, 0x17d4d14e, 0x6cca53ad, + 0xf310d033, 0x63296829, 0xfcf3ebb7, 0x87ed6954, 0x1837eaca, + 0x71d06c92, 0xee0aef0c, 0x95146def, 0x0aceee71, 0x46db615f, + 0xd901e2c1, 0xa21f6022, 0x3dc5e3bc, 0x542265e4, 0xcbf8e67a, + 0xb0e66499, 0x2f3ce707, 0x28cd7ac5, 0xb717f95b, 0xcc097bb8, + 0x53d3f826, 0x3a347e7e, 0xa5eefde0, 0xdef07f03, 0x412afc9d, + 0x0d3f73b3, 0x92e5f02d, 0xe9fb72ce, 0x7621f150, 0x1fc67708, + 0x801cf496, 0xfb027675, 0x64d8f5eb, 0x32b39da3, 0xad691e3d, + 0xd6779cde, 0x49ad1f40, 0x204a9918, 0xbf901a86, 0xc48e9865, + 0x5b541bfb, 0x174194d5, 0x889b174b, 0xf38595a8, 0x6c5f1636, + 0x05b8906e, 0x9a6213f0, 0xe17c9113, 0x7ea6128d, 0x79578f4f, + 0xe68d0cd1, 0x9d938e32, 0x02490dac, 0x6bae8bf4, 0xf474086a, + 0x8f6a8a89, 0x10b00917, 0x5ca58639, 0xc37f05a7, 0xb8618744, + 0x27bb04da, 0x4e5c8282, 0xd186011c, 0xaa9883ff, 0x35420061, + 0xa57bb87b, 0x3aa13be5, 0x41bfb906, 0xde653a98, 0xb782bcc0, + 0x28583f5e, 0x5346bdbd, 0xcc9c3e23, 0x8089b10d, 0x1f533293, + 0x644db070, 0xfb9733ee, 0x9270b5b6, 0x0daa3628, 0x76b4b4cb, + 0xe96e3755, 0xee9faa97, 0x71452909, 0x0a5babea, 0x95812874, + 0xfc66ae2c, 0x63bc2db2, 0x18a2af51, 0x87782ccf, 0xcb6da3e1, + 0x54b7207f, 0x2fa9a29c, 0xb0732102, 0xd994a75a, 0x464e24c4, + 0x3d50a627, 0xa28a25b9, 0xc652d052, 0x598853cc, 0x2296d12f, + 0xbd4c52b1, 0xd4abd4e9, 0x4b715777, 0x306fd594, 0xafb5560a, + 0xe3a0d924, 0x7c7a5aba, 0x0764d859, 0x98be5bc7, 0xf159dd9f, + 0x6e835e01, 0x159ddce2, 0x8a475f7c, 0x8db6c2be, 0x126c4120, + 0x6972c3c3, 0xf6a8405d, 0x9f4fc605, 0x0095459b, 0x7b8bc778, + 0xe45144e6, 0xa844cbc8, 0x379e4856, 0x4c80cab5, 0xd35a492b, + 0xbabdcf73, 0x25674ced, 0x5e79ce0e, 0xc1a34d90, 0x519af58a, + 0xce407614, 0xb55ef4f7, 0x2a847769, 0x4363f131, 0xdcb972af, + 0xa7a7f04c, 0x387d73d2, 0x7468fcfc, 0xebb27f62, 0x90acfd81, + 0x0f767e1f, 0x6691f847, 0xf94b7bd9, 0x8255f93a, 0x1d8f7aa4, + 0x1a7ee766, 0x85a464f8, 0xfebae61b, 0x61606585, 0x0887e3dd, + 0x975d6043, 0xec43e2a0, 0x7399613e, 0x3f8cee10, 0xa0566d8e, + 0xdb48ef6d, 0x44926cf3, 0x2d75eaab, 0xb2af6935, 0xc9b1ebd6, + 0x566b6848}}; + +local const z_word_t FAR crc_braid_big_table[][256] = { + {0x00000000, 0x9e83da9f, 0x7d01c4e4, 0xe3821e7b, 0xbb04f912, + 0x2587238d, 0xc6053df6, 0x5886e769, 0x7609f225, 0xe88a28ba, + 0x0b0836c1, 0x958bec5e, 0xcd0d0b37, 0x538ed1a8, 0xb00ccfd3, + 0x2e8f154c, 0xec12e44b, 0x72913ed4, 0x911320af, 0x0f90fa30, + 0x57161d59, 0xc995c7c6, 0x2a17d9bd, 0xb4940322, 0x9a1b166e, + 0x0498ccf1, 0xe71ad28a, 0x79990815, 0x211fef7c, 0xbf9c35e3, + 0x5c1e2b98, 0xc29df107, 0xd825c897, 0x46a61208, 0xa5240c73, + 0x3ba7d6ec, 0x63213185, 0xfda2eb1a, 0x1e20f561, 0x80a32ffe, + 0xae2c3ab2, 0x30afe02d, 0xd32dfe56, 0x4dae24c9, 0x1528c3a0, + 0x8bab193f, 0x68290744, 0xf6aadddb, 0x34372cdc, 0xaab4f643, + 0x4936e838, 0xd7b532a7, 0x8f33d5ce, 0x11b00f51, 0xf232112a, + 0x6cb1cbb5, 0x423edef9, 0xdcbd0466, 0x3f3f1a1d, 0xa1bcc082, + 0xf93a27eb, 0x67b9fd74, 0x843be30f, 0x1ab83990, 0xf14de1f4, + 0x6fce3b6b, 0x8c4c2510, 0x12cfff8f, 0x4a4918e6, 0xd4cac279, + 0x3748dc02, 0xa9cb069d, 0x874413d1, 0x19c7c94e, 0xfa45d735, + 0x64c60daa, 0x3c40eac3, 0xa2c3305c, 0x41412e27, 0xdfc2f4b8, + 0x1d5f05bf, 0x83dcdf20, 0x605ec15b, 0xfedd1bc4, 0xa65bfcad, + 0x38d82632, 0xdb5a3849, 0x45d9e2d6, 0x6b56f79a, 0xf5d52d05, + 0x1657337e, 0x88d4e9e1, 0xd0520e88, 0x4ed1d417, 0xad53ca6c, + 0x33d010f3, 0x29682963, 0xb7ebf3fc, 0x5469ed87, 0xcaea3718, + 0x926cd071, 0x0cef0aee, 0xef6d1495, 0x71eece0a, 0x5f61db46, + 0xc1e201d9, 0x22601fa2, 0xbce3c53d, 0xe4652254, 0x7ae6f8cb, + 0x9964e6b0, 0x07e73c2f, 0xc57acd28, 0x5bf917b7, 0xb87b09cc, + 0x26f8d353, 0x7e7e343a, 0xe0fdeea5, 0x037ff0de, 0x9dfc2a41, + 0xb3733f0d, 0x2df0e592, 0xce72fbe9, 0x50f12176, 0x0877c61f, + 0x96f41c80, 0x757602fb, 0xebf5d864, 0xa39db332, 0x3d1e69ad, + 0xde9c77d6, 0x401fad49, 0x18994a20, 0x861a90bf, 0x65988ec4, + 0xfb1b545b, 0xd5944117, 0x4b179b88, 0xa89585f3, 0x36165f6c, + 0x6e90b805, 0xf013629a, 0x13917ce1, 0x8d12a67e, 0x4f8f5779, + 0xd10c8de6, 0x328e939d, 0xac0d4902, 0xf48bae6b, 0x6a0874f4, + 0x898a6a8f, 0x1709b010, 0x3986a55c, 0xa7057fc3, 0x448761b8, + 0xda04bb27, 0x82825c4e, 0x1c0186d1, 0xff8398aa, 0x61004235, + 0x7bb87ba5, 0xe53ba13a, 0x06b9bf41, 0x983a65de, 0xc0bc82b7, + 0x5e3f5828, 0xbdbd4653, 0x233e9ccc, 0x0db18980, 0x9332531f, + 0x70b04d64, 0xee3397fb, 0xb6b57092, 0x2836aa0d, 0xcbb4b476, + 0x55376ee9, 0x97aa9fee, 0x09294571, 0xeaab5b0a, 0x74288195, + 0x2cae66fc, 0xb22dbc63, 0x51afa218, 0xcf2c7887, 0xe1a36dcb, + 0x7f20b754, 0x9ca2a92f, 0x022173b0, 0x5aa794d9, 0xc4244e46, + 0x27a6503d, 0xb9258aa2, 0x52d052c6, 0xcc538859, 0x2fd19622, + 0xb1524cbd, 0xe9d4abd4, 0x7757714b, 0x94d56f30, 0x0a56b5af, + 0x24d9a0e3, 0xba5a7a7c, 0x59d86407, 0xc75bbe98, 0x9fdd59f1, + 0x015e836e, 0xe2dc9d15, 0x7c5f478a, 0xbec2b68d, 0x20416c12, + 0xc3c37269, 0x5d40a8f6, 0x05c64f9f, 0x9b459500, 0x78c78b7b, + 0xe64451e4, 0xc8cb44a8, 0x56489e37, 0xb5ca804c, 0x2b495ad3, + 0x73cfbdba, 0xed4c6725, 0x0ece795e, 0x904da3c1, 0x8af59a51, + 0x147640ce, 0xf7f45eb5, 0x6977842a, 0x31f16343, 0xaf72b9dc, + 0x4cf0a7a7, 0xd2737d38, 0xfcfc6874, 0x627fb2eb, 0x81fdac90, + 0x1f7e760f, 0x47f89166, 0xd97b4bf9, 0x3af95582, 0xa47a8f1d, + 0x66e77e1a, 0xf864a485, 0x1be6bafe, 0x85656061, 0xdde38708, + 0x43605d97, 0xa0e243ec, 0x3e619973, 0x10ee8c3f, 0x8e6d56a0, + 0x6def48db, 0xf36c9244, 0xabea752d, 0x3569afb2, 0xd6ebb1c9, + 0x48686b56}, + {0x00000000, 0xc0642817, 0x80c9502e, 0x40ad7839, 0x0093a15c, + 0xc0f7894b, 0x805af172, 0x403ed965, 0x002643b9, 0xc0426bae, + 0x80ef1397, 0x408b3b80, 0x00b5e2e5, 0xc0d1caf2, 0x807cb2cb, + 0x40189adc, 0x414af7a9, 0x812edfbe, 0xc183a787, 0x01e78f90, + 0x41d956f5, 0x81bd7ee2, 0xc11006db, 0x01742ecc, 0x416cb410, + 0x81089c07, 0xc1a5e43e, 0x01c1cc29, 0x41ff154c, 0x819b3d5b, + 0xc1364562, 0x01526d75, 0xc3929f88, 0x03f6b79f, 0x435bcfa6, + 0x833fe7b1, 0xc3013ed4, 0x036516c3, 0x43c86efa, 0x83ac46ed, + 0xc3b4dc31, 0x03d0f426, 0x437d8c1f, 0x8319a408, 0xc3277d6d, + 0x0343557a, 0x43ee2d43, 0x838a0554, 0x82d86821, 0x42bc4036, + 0x0211380f, 0xc2751018, 0x824bc97d, 0x422fe16a, 0x02829953, + 0xc2e6b144, 0x82fe2b98, 0x429a038f, 0x02377bb6, 0xc25353a1, + 0x826d8ac4, 0x4209a2d3, 0x02a4daea, 0xc2c0f2fd, 0xc7234eca, + 0x074766dd, 0x47ea1ee4, 0x878e36f3, 0xc7b0ef96, 0x07d4c781, + 0x4779bfb8, 0x871d97af, 0xc7050d73, 0x07612564, 0x47cc5d5d, + 0x87a8754a, 0xc796ac2f, 0x07f28438, 0x475ffc01, 0x873bd416, + 0x8669b963, 0x460d9174, 0x06a0e94d, 0xc6c4c15a, 0x86fa183f, + 0x469e3028, 0x06334811, 0xc6576006, 0x864ffada, 0x462bd2cd, + 0x0686aaf4, 0xc6e282e3, 0x86dc5b86, 0x46b87391, 0x06150ba8, + 0xc67123bf, 0x04b1d142, 0xc4d5f955, 0x8478816c, 0x441ca97b, + 0x0422701e, 0xc4465809, 0x84eb2030, 0x448f0827, 0x049792fb, + 0xc4f3baec, 0x845ec2d5, 0x443aeac2, 0x040433a7, 0xc4601bb0, + 0x84cd6389, 0x44a94b9e, 0x45fb26eb, 0x859f0efc, 0xc53276c5, + 0x05565ed2, 0x456887b7, 0x850cafa0, 0xc5a1d799, 0x05c5ff8e, + 0x45dd6552, 0x85b94d45, 0xc514357c, 0x05701d6b, 0x454ec40e, + 0x852aec19, 0xc5879420, 0x05e3bc37, 0xcf41ed4f, 0x0f25c558, + 0x4f88bd61, 0x8fec9576, 0xcfd24c13, 0x0fb66404, 0x4f1b1c3d, + 0x8f7f342a, 0xcf67aef6, 0x0f0386e1, 0x4faefed8, 0x8fcad6cf, + 0xcff40faa, 0x0f9027bd, 0x4f3d5f84, 0x8f597793, 0x8e0b1ae6, + 0x4e6f32f1, 0x0ec24ac8, 0xcea662df, 0x8e98bbba, 0x4efc93ad, + 0x0e51eb94, 0xce35c383, 0x8e2d595f, 0x4e497148, 0x0ee40971, + 0xce802166, 0x8ebef803, 0x4edad014, 0x0e77a82d, 0xce13803a, + 0x0cd372c7, 0xccb75ad0, 0x8c1a22e9, 0x4c7e0afe, 0x0c40d39b, + 0xcc24fb8c, 0x8c8983b5, 0x4cedaba2, 0x0cf5317e, 0xcc911969, + 0x8c3c6150, 0x4c584947, 0x0c669022, 0xcc02b835, 0x8cafc00c, + 0x4ccbe81b, 0x4d99856e, 0x8dfdad79, 0xcd50d540, 0x0d34fd57, + 0x4d0a2432, 0x8d6e0c25, 0xcdc3741c, 0x0da75c0b, 0x4dbfc6d7, + 0x8ddbeec0, 0xcd7696f9, 0x0d12beee, 0x4d2c678b, 0x8d484f9c, + 0xcde537a5, 0x0d811fb2, 0x0862a385, 0xc8068b92, 0x88abf3ab, + 0x48cfdbbc, 0x08f102d9, 0xc8952ace, 0x883852f7, 0x485c7ae0, + 0x0844e03c, 0xc820c82b, 0x888db012, 0x48e99805, 0x08d74160, + 0xc8b36977, 0x881e114e, 0x487a3959, 0x4928542c, 0x894c7c3b, + 0xc9e10402, 0x09852c15, 0x49bbf570, 0x89dfdd67, 0xc972a55e, + 0x09168d49, 0x490e1795, 0x896a3f82, 0xc9c747bb, 0x09a36fac, + 0x499db6c9, 0x89f99ede, 0xc954e6e7, 0x0930cef0, 0xcbf03c0d, + 0x0b94141a, 0x4b396c23, 0x8b5d4434, 0xcb639d51, 0x0b07b546, + 0x4baacd7f, 0x8bcee568, 0xcbd67fb4, 0x0bb257a3, 0x4b1f2f9a, + 0x8b7b078d, 0xcb45dee8, 0x0b21f6ff, 0x4b8c8ec6, 0x8be8a6d1, + 0x8abacba4, 0x4adee3b3, 0x0a739b8a, 0xca17b39d, 0x8a296af8, + 0x4a4d42ef, 0x0ae03ad6, 0xca8412c1, 0x8a9c881d, 0x4af8a00a, + 0x0a55d833, 0xca31f024, 0x8a0f2941, 0x4a6b0156, 0x0ac6796f, + 0xcaa25178}, + {0x00000000, 0xd4ea739b, 0xe9d396ed, 0x3d39e576, 0x93a15c00, + 0x474b2f9b, 0x7a72caed, 0xae98b976, 0x2643b900, 0xf2a9ca9b, + 0xcf902fed, 0x1b7a5c76, 0xb5e2e500, 0x6108969b, 0x5c3173ed, + 0x88db0076, 0x4c867201, 0x986c019a, 0xa555e4ec, 0x71bf9777, + 0xdf272e01, 0x0bcd5d9a, 0x36f4b8ec, 0xe21ecb77, 0x6ac5cb01, + 0xbe2fb89a, 0x83165dec, 0x57fc2e77, 0xf9649701, 0x2d8ee49a, + 0x10b701ec, 0xc45d7277, 0x980ce502, 0x4ce69699, 0x71df73ef, + 0xa5350074, 0x0badb902, 0xdf47ca99, 0xe27e2fef, 0x36945c74, + 0xbe4f5c02, 0x6aa52f99, 0x579ccaef, 0x8376b974, 0x2dee0002, + 0xf9047399, 0xc43d96ef, 0x10d7e574, 0xd48a9703, 0x0060e498, + 0x3d5901ee, 0xe9b37275, 0x472bcb03, 0x93c1b898, 0xaef85dee, + 0x7a122e75, 0xf2c92e03, 0x26235d98, 0x1b1ab8ee, 0xcff0cb75, + 0x61687203, 0xb5820198, 0x88bbe4ee, 0x5c519775, 0x3019ca05, + 0xe4f3b99e, 0xd9ca5ce8, 0x0d202f73, 0xa3b89605, 0x7752e59e, + 0x4a6b00e8, 0x9e817373, 0x165a7305, 0xc2b0009e, 0xff89e5e8, + 0x2b639673, 0x85fb2f05, 0x51115c9e, 0x6c28b9e8, 0xb8c2ca73, + 0x7c9fb804, 0xa875cb9f, 0x954c2ee9, 0x41a65d72, 0xef3ee404, + 0x3bd4979f, 0x06ed72e9, 0xd2070172, 0x5adc0104, 0x8e36729f, + 0xb30f97e9, 0x67e5e472, 0xc97d5d04, 0x1d972e9f, 0x20aecbe9, + 0xf444b872, 0xa8152f07, 0x7cff5c9c, 0x41c6b9ea, 0x952cca71, + 0x3bb47307, 0xef5e009c, 0xd267e5ea, 0x068d9671, 0x8e569607, + 0x5abce59c, 0x678500ea, 0xb36f7371, 0x1df7ca07, 0xc91db99c, + 0xf4245cea, 0x20ce2f71, 0xe4935d06, 0x30792e9d, 0x0d40cbeb, + 0xd9aab870, 0x77320106, 0xa3d8729d, 0x9ee197eb, 0x4a0be470, + 0xc2d0e406, 0x163a979d, 0x2b0372eb, 0xffe90170, 0x5171b806, + 0x859bcb9d, 0xb8a22eeb, 0x6c485d70, 0x6032940b, 0xb4d8e790, + 0x89e102e6, 0x5d0b717d, 0xf393c80b, 0x2779bb90, 0x1a405ee6, + 0xceaa2d7d, 0x46712d0b, 0x929b5e90, 0xafa2bbe6, 0x7b48c87d, + 0xd5d0710b, 0x013a0290, 0x3c03e7e6, 0xe8e9947d, 0x2cb4e60a, + 0xf85e9591, 0xc56770e7, 0x118d037c, 0xbf15ba0a, 0x6bffc991, + 0x56c62ce7, 0x822c5f7c, 0x0af75f0a, 0xde1d2c91, 0xe324c9e7, + 0x37ceba7c, 0x9956030a, 0x4dbc7091, 0x708595e7, 0xa46fe67c, + 0xf83e7109, 0x2cd40292, 0x11ede7e4, 0xc507947f, 0x6b9f2d09, + 0xbf755e92, 0x824cbbe4, 0x56a6c87f, 0xde7dc809, 0x0a97bb92, + 0x37ae5ee4, 0xe3442d7f, 0x4ddc9409, 0x9936e792, 0xa40f02e4, + 0x70e5717f, 0xb4b80308, 0x60527093, 0x5d6b95e5, 0x8981e67e, + 0x27195f08, 0xf3f32c93, 0xcecac9e5, 0x1a20ba7e, 0x92fbba08, + 0x4611c993, 0x7b282ce5, 0xafc25f7e, 0x015ae608, 0xd5b09593, + 0xe88970e5, 0x3c63037e, 0x502b5e0e, 0x84c12d95, 0xb9f8c8e3, + 0x6d12bb78, 0xc38a020e, 0x17607195, 0x2a5994e3, 0xfeb3e778, + 0x7668e70e, 0xa2829495, 0x9fbb71e3, 0x4b510278, 0xe5c9bb0e, + 0x3123c895, 0x0c1a2de3, 0xd8f05e78, 0x1cad2c0f, 0xc8475f94, + 0xf57ebae2, 0x2194c979, 0x8f0c700f, 0x5be60394, 0x66dfe6e2, + 0xb2359579, 0x3aee950f, 0xee04e694, 0xd33d03e2, 0x07d77079, + 0xa94fc90f, 0x7da5ba94, 0x409c5fe2, 0x94762c79, 0xc827bb0c, + 0x1ccdc897, 0x21f42de1, 0xf51e5e7a, 0x5b86e70c, 0x8f6c9497, + 0xb25571e1, 0x66bf027a, 0xee64020c, 0x3a8e7197, 0x07b794e1, + 0xd35de77a, 0x7dc55e0c, 0xa92f2d97, 0x9416c8e1, 0x40fcbb7a, + 0x84a1c90d, 0x504bba96, 0x6d725fe0, 0xb9982c7b, 0x1700950d, + 0xc3eae696, 0xfed303e0, 0x2a39707b, 0xa2e2700d, 0x76080396, + 0x4b31e6e0, 0x9fdb957b, 0x31432c0d, 0xe5a95f96, 0xd890bae0, + 0x0c7ac97b}, + {0x00000000, 0x27652581, 0x0fcc3bd9, 0x28a91e58, 0x5f9e0669, + 0x78fb23e8, 0x50523db0, 0x77371831, 0xbe3c0dd2, 0x99592853, + 0xb1f0360b, 0x9695138a, 0xe1a20bbb, 0xc6c72e3a, 0xee6e3062, + 0xc90b15e3, 0x3d7f6b7f, 0x1a1a4efe, 0x32b350a6, 0x15d67527, + 0x62e16d16, 0x45844897, 0x6d2d56cf, 0x4a48734e, 0x834366ad, + 0xa426432c, 0x8c8f5d74, 0xabea78f5, 0xdcdd60c4, 0xfbb84545, + 0xd3115b1d, 0xf4747e9c, 0x7afed6fe, 0x5d9bf37f, 0x7532ed27, + 0x5257c8a6, 0x2560d097, 0x0205f516, 0x2aaceb4e, 0x0dc9cecf, + 0xc4c2db2c, 0xe3a7fead, 0xcb0ee0f5, 0xec6bc574, 0x9b5cdd45, + 0xbc39f8c4, 0x9490e69c, 0xb3f5c31d, 0x4781bd81, 0x60e49800, + 0x484d8658, 0x6f28a3d9, 0x181fbbe8, 0x3f7a9e69, 0x17d38031, + 0x30b6a5b0, 0xf9bdb053, 0xded895d2, 0xf6718b8a, 0xd114ae0b, + 0xa623b63a, 0x814693bb, 0xa9ef8de3, 0x8e8aa862, 0xb5fadc26, + 0x929ff9a7, 0xba36e7ff, 0x9d53c27e, 0xea64da4f, 0xcd01ffce, + 0xe5a8e196, 0xc2cdc417, 0x0bc6d1f4, 0x2ca3f475, 0x040aea2d, + 0x236fcfac, 0x5458d79d, 0x733df21c, 0x5b94ec44, 0x7cf1c9c5, + 0x8885b759, 0xafe092d8, 0x87498c80, 0xa02ca901, 0xd71bb130, + 0xf07e94b1, 0xd8d78ae9, 0xffb2af68, 0x36b9ba8b, 0x11dc9f0a, + 0x39758152, 0x1e10a4d3, 0x6927bce2, 0x4e429963, 0x66eb873b, + 0x418ea2ba, 0xcf040ad8, 0xe8612f59, 0xc0c83101, 0xe7ad1480, + 0x909a0cb1, 0xb7ff2930, 0x9f563768, 0xb83312e9, 0x7138070a, + 0x565d228b, 0x7ef43cd3, 0x59911952, 0x2ea60163, 0x09c324e2, + 0x216a3aba, 0x060f1f3b, 0xf27b61a7, 0xd51e4426, 0xfdb75a7e, + 0xdad27fff, 0xade567ce, 0x8a80424f, 0xa2295c17, 0x854c7996, + 0x4c476c75, 0x6b2249f4, 0x438b57ac, 0x64ee722d, 0x13d96a1c, + 0x34bc4f9d, 0x1c1551c5, 0x3b707444, 0x6af5b94d, 0x4d909ccc, + 0x65398294, 0x425ca715, 0x356bbf24, 0x120e9aa5, 0x3aa784fd, + 0x1dc2a17c, 0xd4c9b49f, 0xf3ac911e, 0xdb058f46, 0xfc60aac7, + 0x8b57b2f6, 0xac329777, 0x849b892f, 0xa3feacae, 0x578ad232, + 0x70eff7b3, 0x5846e9eb, 0x7f23cc6a, 0x0814d45b, 0x2f71f1da, + 0x07d8ef82, 0x20bdca03, 0xe9b6dfe0, 0xced3fa61, 0xe67ae439, + 0xc11fc1b8, 0xb628d989, 0x914dfc08, 0xb9e4e250, 0x9e81c7d1, + 0x100b6fb3, 0x376e4a32, 0x1fc7546a, 0x38a271eb, 0x4f9569da, + 0x68f04c5b, 0x40595203, 0x673c7782, 0xae376261, 0x895247e0, + 0xa1fb59b8, 0x869e7c39, 0xf1a96408, 0xd6cc4189, 0xfe655fd1, + 0xd9007a50, 0x2d7404cc, 0x0a11214d, 0x22b83f15, 0x05dd1a94, + 0x72ea02a5, 0x558f2724, 0x7d26397c, 0x5a431cfd, 0x9348091e, + 0xb42d2c9f, 0x9c8432c7, 0xbbe11746, 0xccd60f77, 0xebb32af6, + 0xc31a34ae, 0xe47f112f, 0xdf0f656b, 0xf86a40ea, 0xd0c35eb2, + 0xf7a67b33, 0x80916302, 0xa7f44683, 0x8f5d58db, 0xa8387d5a, + 0x613368b9, 0x46564d38, 0x6eff5360, 0x499a76e1, 0x3ead6ed0, + 0x19c84b51, 0x31615509, 0x16047088, 0xe2700e14, 0xc5152b95, + 0xedbc35cd, 0xcad9104c, 0xbdee087d, 0x9a8b2dfc, 0xb22233a4, + 0x95471625, 0x5c4c03c6, 0x7b292647, 0x5380381f, 0x74e51d9e, + 0x03d205af, 0x24b7202e, 0x0c1e3e76, 0x2b7b1bf7, 0xa5f1b395, + 0x82949614, 0xaa3d884c, 0x8d58adcd, 0xfa6fb5fc, 0xdd0a907d, + 0xf5a38e25, 0xd2c6aba4, 0x1bcdbe47, 0x3ca89bc6, 0x1401859e, + 0x3364a01f, 0x4453b82e, 0x63369daf, 0x4b9f83f7, 0x6cfaa676, + 0x988ed8ea, 0xbfebfd6b, 0x9742e333, 0xb027c6b2, 0xc710de83, + 0xe075fb02, 0xc8dce55a, 0xefb9c0db, 0x26b2d538, 0x01d7f0b9, + 0x297eeee1, 0x0e1bcb60, 0x792cd351, 0x5e49f6d0, 0x76e0e888, + 0x5185cd09}}; + +#endif + +#endif + +#endif + +local const z_crc_t FAR x2n_table[] = { + 0x40000000, 0x20000000, 0x08000000, 0x00800000, 0x00008000, + 0xedb88320, 0xb1e6b092, 0xa06a2517, 0xed627dae, 0x88d14467, + 0xd7bbfe6a, 0xec447f11, 0x8e7ea170, 0x6427800e, 0x4d47bae0, + 0x09fe548f, 0x83852d0f, 0x30362f1a, 0x7b5a9cc3, 0x31fec169, + 0x9fec022a, 0x6c8dedc4, 0x15d6874d, 0x5fde7a4e, 0xbad90e37, + 0x2e4e5eef, 0x4eaba214, 0xa8a472c0, 0x429a969e, 0x148d302a, + 0xc40ba6d0, 0xc4e22c3c}; diff --git a/lib/zlib/deflate.c b/lib/zlib/deflate.c new file mode 100644 index 0000000..2b67bc3 --- /dev/null +++ b/lib/zlib/deflate.c @@ -0,0 +1,2116 @@ +/* deflate.c -- compress data using the deflation algorithm + * Copyright (C) 1995-2023 Jean-loup Gailly and Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process depends on being able to identify portions + * of the input text which are identical to earlier input (within a + * sliding window trailing behind the input currently being processed). + * + * The most straightforward technique turns out to be the fastest for + * most input files: try all possible matches and select the longest. + * The key feature of this algorithm is that insertions into the string + * dictionary are very simple and thus fast, and deletions are avoided + * completely. Insertions are performed at each input character, whereas + * string matches are performed only when the previous match ends. So it + * is preferable to spend more time in matches to allow very fast string + * insertions and avoid deletions. The matching algorithm for small + * strings is inspired from that of Rabin & Karp. A brute force approach + * is used to find longer strings when a small match has been found. + * A similar algorithm is used in comic (by Jan-Mark Wams) and freeze + * (by Leonid Broukhis). + * A previous version of this file used a more sophisticated algorithm + * (by Fiala and Greene) which is guaranteed to run in linear amortized + * time, but has a larger average cost, uses more memory and is patented. + * However the F&G algorithm may be faster for some highly redundant + * files if the parameter max_chain_length (described below) is too large. + * + * ACKNOWLEDGEMENTS + * + * The idea of lazy evaluation of matches is due to Jan-Mark Wams, and + * I found it in 'freeze' written by Leonid Broukhis. + * Thanks to many people for bug reports and testing. + * + * REFERENCES + * + * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". + * Available in http://tools.ietf.org/html/rfc1951 + * + * A description of the Rabin and Karp algorithm is given in the book + * "Algorithms" by R. Sedgewick, Addison-Wesley, p252. + * + * Fiala,E.R., and Greene,D.H. + * Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595 + * + */ + +/* @(#) $Id$ */ + +#include "deflate.h" + +const char deflate_copyright[] = + " deflate 1.3 Copyright 1995-2023 Jean-loup Gailly and Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +typedef enum { + need_more, /* block not completed, need more input or more output */ + block_done, /* block flush performed */ + finish_started, /* finish started, need only more output at next deflate */ + finish_done /* finish done, accept no more input or output */ +} block_state; + +typedef block_state (*compress_func)(deflate_state *s, int flush); +/* Compression function. Returns the block state after the call. */ + +local block_state deflate_stored(deflate_state *s, int flush); +local block_state deflate_fast(deflate_state *s, int flush); +#ifndef FASTEST +local block_state deflate_slow(deflate_state *s, int flush); +#endif +local block_state deflate_rle(deflate_state *s, int flush); +local block_state deflate_huff(deflate_state *s, int flush); + +/* =========================================================================== + * Local data + */ + +#define NIL 0 +/* Tail of hash chains */ + +#ifndef TOO_FAR +# define TOO_FAR 4096 +#endif +/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ + +/* Values for max_lazy_match, good_match and max_chain_length, depending on + * the desired pack level (0..9). The values given below have been tuned to + * exclude worst case performance for pathological files. Better values may be + * found for specific files. + */ +typedef struct config_s { + ush good_length; /* reduce lazy search above this match length */ + ush max_lazy; /* do not perform lazy search above this match length */ + ush nice_length; /* quit search above this match length */ + ush max_chain; + compress_func func; +} config; + +#ifdef FASTEST +local const config configuration_table[2] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}}; /* max speed, no lazy matches */ +#else +local const config configuration_table[10] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}, /* max speed, no lazy matches */ +/* 2 */ {4, 5, 16, 8, deflate_fast}, +/* 3 */ {4, 6, 32, 32, deflate_fast}, + +/* 4 */ {4, 4, 16, 16, deflate_slow}, /* lazy matches */ +/* 5 */ {8, 16, 32, 32, deflate_slow}, +/* 6 */ {8, 16, 128, 128, deflate_slow}, +/* 7 */ {8, 32, 128, 256, deflate_slow}, +/* 8 */ {32, 128, 258, 1024, deflate_slow}, +/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */ +#endif + +/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 + * For deflate_fast() (levels <= 3) good is ignored and lazy has a different + * meaning. + */ + +/* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */ +#define RANK(f) (((f) * 2) - ((f) > 4 ? 9 : 0)) + +/* =========================================================================== + * Update a hash value with the given input byte + * IN assertion: all calls to UPDATE_HASH are made with consecutive input + * characters, so that a running hash key can be computed from the previous + * key instead of complete recalculation each time. + */ +#define UPDATE_HASH(s,h,c) (h = (((h) << s->hash_shift) ^ (c)) & s->hash_mask) + + +/* =========================================================================== + * Insert string str in the dictionary and set match_head to the previous head + * of the hash chain (the most recent string with same hash key). Return + * the previous length of the hash chain. + * If this file is compiled with -DFASTEST, the compression level is forced + * to 1, and no hash chains are maintained. + * IN assertion: all calls to INSERT_STRING are made with consecutive input + * characters and the first MIN_MATCH bytes of str are valid (except for + * the last MIN_MATCH-1 bytes of the input file). + */ +#ifdef FASTEST +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#else +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#endif + +/* =========================================================================== + * Initialize the hash table (avoiding 64K overflow for 16 bit systems). + * prev[] will be initialized on the fly. + */ +#define CLEAR_HASH(s) \ + do { \ + s->head[s->hash_size - 1] = NIL; \ + zmemzero((Bytef *)s->head, \ + (unsigned)(s->hash_size - 1)*sizeof(*s->head)); \ + } while (0) + +/* =========================================================================== + * Slide the hash table when sliding the window down (could be avoided with 32 + * bit values at the expense of memory usage). We slide even when level == 0 to + * keep the hash table consistent if we switch back to level > 0 later. + */ +#if defined(__has_feature) +# if __has_feature(memory_sanitizer) + __attribute__((no_sanitize("memory"))) +# endif +#endif +local void slide_hash(deflate_state *s) { + unsigned n, m; + Posf *p; + uInt wsize = s->w_size; + + n = s->hash_size; + p = &s->head[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m - wsize : NIL); + } while (--n); + n = wsize; +#ifndef FASTEST + p = &s->prev[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m - wsize : NIL); + /* If n is not on any hash chain, prev[n] is garbage but + * its value will never be used. + */ + } while (--n); +#endif +} + +/* =========================================================================== + * Read a new buffer from the current input stream, update the adler32 + * and total number of bytes read. All deflate() input goes through + * this function so some applications may wish to modify it to avoid + * allocating a large strm->next_in buffer and copying from it. + * (See also flush_pending()). + */ +local unsigned read_buf(z_streamp strm, Bytef *buf, unsigned size) { + unsigned len = strm->avail_in; + + if (len > size) len = size; + if (len == 0) return 0; + + strm->avail_in -= len; + + zmemcpy(buf, strm->next_in, len); + if (strm->state->wrap == 1) { + strm->adler = adler32(strm->adler, buf, len); + } +#ifdef GZIP + else if (strm->state->wrap == 2) { + strm->adler = crc32(strm->adler, buf, len); + } +#endif + strm->next_in += len; + strm->total_in += len; + + return len; +} + +/* =========================================================================== + * Fill the window when the lookahead becomes insufficient. + * Updates strstart and lookahead. + * + * IN assertion: lookahead < MIN_LOOKAHEAD + * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD + * At least one byte has been read, or avail_in == 0; reads are + * performed for at least two bytes (required for the zip translate_eol + * option -- not supported here). + */ +local void fill_window(deflate_state *s) { + unsigned n; + unsigned more; /* Amount of free space at the end of the window. */ + uInt wsize = s->w_size; + + Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead"); + + do { + more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); + + /* Deal with !@#$% 64K limit: */ + if (sizeof(int) <= 2) { + if (more == 0 && s->strstart == 0 && s->lookahead == 0) { + more = wsize; + + } else if (more == (unsigned)(-1)) { + /* Very unlikely, but possible on 16 bit machine if + * strstart == 0 && lookahead == 1 (input done a byte at time) + */ + more--; + } + } + + /* If the window is almost full and there is insufficient lookahead, + * move the upper half to the lower one to make room in the upper half. + */ + if (s->strstart >= wsize + MAX_DIST(s)) { + + zmemcpy(s->window, s->window + wsize, (unsigned)wsize - more); + s->match_start -= wsize; + s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ + s->block_start -= (long) wsize; + if (s->insert > s->strstart) + s->insert = s->strstart; + slide_hash(s); + more += wsize; + } + if (s->strm->avail_in == 0) break; + + /* If there was no sliding: + * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && + * more == window_size - lookahead - strstart + * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) + * => more >= window_size - 2*WSIZE + 2 + * In the BIG_MEM or MMAP case (not yet supported), + * window_size == input_size + MIN_LOOKAHEAD && + * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. + * Otherwise, window_size == 2*WSIZE so more >= 2. + * If there was sliding, more >= WSIZE. So in all cases, more >= 2. + */ + Assert(more >= 2, "more < 2"); + + n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); + s->lookahead += n; + + /* Initialize the hash value now that we have some input: */ + if (s->lookahead + s->insert >= MIN_MATCH) { + uInt str = s->strstart - s->insert; + s->ins_h = s->window[str]; + UPDATE_HASH(s, s->ins_h, s->window[str + 1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + while (s->insert) { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + s->insert--; + if (s->lookahead + s->insert < MIN_MATCH) + break; + } + } + /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, + * but this is not important since only literal bytes will be emitted. + */ + + } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); + + /* If the WIN_INIT bytes after the end of the current data have never been + * written, then zero those bytes in order to avoid memory check reports of + * the use of uninitialized (or uninitialised as Julian writes) bytes by + * the longest match routines. Update the high water mark for the next + * time through here. WIN_INIT is set to MAX_MATCH since the longest match + * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. + */ + if (s->high_water < s->window_size) { + ulg curr = s->strstart + (ulg)(s->lookahead); + ulg init; + + if (s->high_water < curr) { + /* Previous high water mark below current data -- zero WIN_INIT + * bytes or up to end of window, whichever is less. + */ + init = s->window_size - curr; + if (init > WIN_INIT) + init = WIN_INIT; + zmemzero(s->window + curr, (unsigned)init); + s->high_water = curr + init; + } + else if (s->high_water < (ulg)curr + WIN_INIT) { + /* High water mark at or above current data, but below current data + * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up + * to end of window, whichever is less. + */ + init = (ulg)curr + WIN_INIT - s->high_water; + if (init > s->window_size - s->high_water) + init = s->window_size - s->high_water; + zmemzero(s->window + s->high_water, (unsigned)init); + s->high_water += init; + } + } + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "not enough room for search"); +} + +/* ========================================================================= */ +int ZEXPORT deflateInit_(z_streamp strm, int level, const char *version, + int stream_size) { + return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, + Z_DEFAULT_STRATEGY, version, stream_size); + /* To do: ignore strm->next_in if we use it as window */ +} + +/* ========================================================================= */ +int ZEXPORT deflateInit2_(z_streamp strm, int level, int method, + int windowBits, int memLevel, int strategy, + const char *version, int stream_size) { + deflate_state *s; + int wrap = 1; + static const char my_version[] = ZLIB_VERSION; + + if (version == Z_NULL || version[0] != my_version[0] || + stream_size != sizeof(z_stream)) { + return Z_VERSION_ERROR; + } + if (strm == Z_NULL) return Z_STREAM_ERROR; + + strm->msg = Z_NULL; + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + + if (windowBits < 0) { /* suppress zlib wrapper */ + wrap = 0; + if (windowBits < -15) + return Z_STREAM_ERROR; + windowBits = -windowBits; + } +#ifdef GZIP + else if (windowBits > 15) { + wrap = 2; /* write gzip wrapper instead */ + windowBits -= 16; + } +#endif + if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || + windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || + strategy < 0 || strategy > Z_FIXED || (windowBits == 8 && wrap != 1)) { + return Z_STREAM_ERROR; + } + if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ + s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state)); + if (s == Z_NULL) return Z_MEM_ERROR; + strm->state = (struct internal_state FAR *)s; + s->strm = strm; + s->status = INIT_STATE; /* to pass state test in deflateReset() */ + + s->wrap = wrap; + s->gzhead = Z_NULL; + s->w_bits = (uInt)windowBits; + s->w_size = 1 << s->w_bits; + s->w_mask = s->w_size - 1; + + s->hash_bits = (uInt)memLevel + 7; + s->hash_size = 1 << s->hash_bits; + s->hash_mask = s->hash_size - 1; + s->hash_shift = ((s->hash_bits + MIN_MATCH-1) / MIN_MATCH); + + s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); + s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); + s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); + + s->high_water = 0; /* nothing written to s->window yet */ + + s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ + + /* We overlay pending_buf and sym_buf. This works since the average size + * for length/distance pairs over any compressed block is assured to be 31 + * bits or less. + * + * Analysis: The longest fixed codes are a length code of 8 bits plus 5 + * extra bits, for lengths 131 to 257. The longest fixed distance codes are + * 5 bits plus 13 extra bits, for distances 16385 to 32768. The longest + * possible fixed-codes length/distance pair is then 31 bits total. + * + * sym_buf starts one-fourth of the way into pending_buf. So there are + * three bytes in sym_buf for every four bytes in pending_buf. Each symbol + * in sym_buf is three bytes -- two for the distance and one for the + * literal/length. As each symbol is consumed, the pointer to the next + * sym_buf value to read moves forward three bytes. From that symbol, up to + * 31 bits are written to pending_buf. The closest the written pending_buf + * bits gets to the next sym_buf symbol to read is just before the last + * code is written. At that time, 31*(n - 2) bits have been written, just + * after 24*(n - 2) bits have been consumed from sym_buf. sym_buf starts at + * 8*n bits into pending_buf. (Note that the symbol buffer fills when n - 1 + * symbols are written.) The closest the writing gets to what is unread is + * then n + 14 bits. Here n is lit_bufsize, which is 16384 by default, and + * can range from 128 to 32768. + * + * Therefore, at a minimum, there are 142 bits of space between what is + * written and what is read in the overlain buffers, so the symbols cannot + * be overwritten by the compressed data. That space is actually 139 bits, + * due to the three-bit fixed-code block header. + * + * That covers the case where either Z_FIXED is specified, forcing fixed + * codes, or when the use of fixed codes is chosen, because that choice + * results in a smaller compressed block than dynamic codes. That latter + * condition then assures that the above analysis also covers all dynamic + * blocks. A dynamic-code block will only be chosen to be emitted if it has + * fewer bits than a fixed-code block would for the same set of symbols. + * Therefore its average symbol length is assured to be less than 31. So + * the compressed data for a dynamic block also cannot overwrite the + * symbols from which it is being constructed. + */ + + s->pending_buf = (uchf *) ZALLOC(strm, s->lit_bufsize, 4); + s->pending_buf_size = (ulg)s->lit_bufsize * 4; + + if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || + s->pending_buf == Z_NULL) { + s->status = FINISH_STATE; + strm->msg = ERR_MSG(Z_MEM_ERROR); + deflateEnd (strm); + return Z_MEM_ERROR; + } + s->sym_buf = s->pending_buf + s->lit_bufsize; + s->sym_end = (s->lit_bufsize - 1) * 3; + /* We avoid equality with lit_bufsize*3 because of wraparound at 64K + * on 16 bit machines and because stored blocks are restricted to + * 64K-1 bytes. + */ + + s->level = level; + s->strategy = strategy; + s->method = (Byte)method; + + return deflateReset(strm); +} + +/* ========================================================================= + * Check for a valid deflate stream state. Return 0 if ok, 1 if not. + */ +local int deflateStateCheck(z_streamp strm) { + deflate_state *s; + if (strm == Z_NULL || + strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) + return 1; + s = strm->state; + if (s == Z_NULL || s->strm != strm || (s->status != INIT_STATE && +#ifdef GZIP + s->status != GZIP_STATE && +#endif + s->status != EXTRA_STATE && + s->status != NAME_STATE && + s->status != COMMENT_STATE && + s->status != HCRC_STATE && + s->status != BUSY_STATE && + s->status != FINISH_STATE)) + return 1; + return 0; +} + +/* ========================================================================= */ +int ZEXPORT deflateSetDictionary(z_streamp strm, const Bytef *dictionary, + uInt dictLength) { + deflate_state *s; + uInt str, n; + int wrap; + unsigned avail; + z_const unsigned char *next; + + if (deflateStateCheck(strm) || dictionary == Z_NULL) + return Z_STREAM_ERROR; + s = strm->state; + wrap = s->wrap; + if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead) + return Z_STREAM_ERROR; + + /* when using zlib wrappers, compute Adler-32 for provided dictionary */ + if (wrap == 1) + strm->adler = adler32(strm->adler, dictionary, dictLength); + s->wrap = 0; /* avoid computing Adler-32 in read_buf */ + + /* if dictionary would fill window, just replace the history */ + if (dictLength >= s->w_size) { + if (wrap == 0) { /* already empty otherwise */ + CLEAR_HASH(s); + s->strstart = 0; + s->block_start = 0L; + s->insert = 0; + } + dictionary += dictLength - s->w_size; /* use the tail */ + dictLength = s->w_size; + } + + /* insert dictionary into window and hash */ + avail = strm->avail_in; + next = strm->next_in; + strm->avail_in = dictLength; + strm->next_in = (z_const Bytef *)dictionary; + fill_window(s); + while (s->lookahead >= MIN_MATCH) { + str = s->strstart; + n = s->lookahead - (MIN_MATCH-1); + do { + UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); +#ifndef FASTEST + s->prev[str & s->w_mask] = s->head[s->ins_h]; +#endif + s->head[s->ins_h] = (Pos)str; + str++; + } while (--n); + s->strstart = str; + s->lookahead = MIN_MATCH-1; + fill_window(s); + } + s->strstart += s->lookahead; + s->block_start = (long)s->strstart; + s->insert = s->lookahead; + s->lookahead = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + strm->next_in = next; + strm->avail_in = avail; + s->wrap = wrap; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateGetDictionary(z_streamp strm, Bytef *dictionary, + uInt *dictLength) { + deflate_state *s; + uInt len; + + if (deflateStateCheck(strm)) + return Z_STREAM_ERROR; + s = strm->state; + len = s->strstart + s->lookahead; + if (len > s->w_size) + len = s->w_size; + if (dictionary != Z_NULL && len) + zmemcpy(dictionary, s->window + s->strstart + s->lookahead - len, len); + if (dictLength != Z_NULL) + *dictLength = len; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateResetKeep(z_streamp strm) { + deflate_state *s; + + if (deflateStateCheck(strm)) { + return Z_STREAM_ERROR; + } + + strm->total_in = strm->total_out = 0; + strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */ + strm->data_type = Z_UNKNOWN; + + s = (deflate_state *)strm->state; + s->pending = 0; + s->pending_out = s->pending_buf; + + if (s->wrap < 0) { + s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */ + } + s->status = +#ifdef GZIP + s->wrap == 2 ? GZIP_STATE : +#endif + INIT_STATE; + strm->adler = +#ifdef GZIP + s->wrap == 2 ? crc32(0L, Z_NULL, 0) : +#endif + adler32(0L, Z_NULL, 0); + s->last_flush = -2; + + _tr_init(s); + + return Z_OK; +} + +/* =========================================================================== + * Initialize the "longest match" routines for a new zlib stream + */ +local void lm_init(deflate_state *s) { + s->window_size = (ulg)2L*s->w_size; + + CLEAR_HASH(s); + + /* Set the default configuration parameters: + */ + s->max_lazy_match = configuration_table[s->level].max_lazy; + s->good_match = configuration_table[s->level].good_length; + s->nice_match = configuration_table[s->level].nice_length; + s->max_chain_length = configuration_table[s->level].max_chain; + + s->strstart = 0; + s->block_start = 0L; + s->lookahead = 0; + s->insert = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + s->ins_h = 0; +} + +/* ========================================================================= */ +int ZEXPORT deflateReset(z_streamp strm) { + int ret; + + ret = deflateResetKeep(strm); + if (ret == Z_OK) + lm_init(strm->state); + return ret; +} + +/* ========================================================================= */ +int ZEXPORT deflateSetHeader(z_streamp strm, gz_headerp head) { + if (deflateStateCheck(strm) || strm->state->wrap != 2) + return Z_STREAM_ERROR; + strm->state->gzhead = head; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflatePending(z_streamp strm, unsigned *pending, int *bits) { + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + if (pending != Z_NULL) + *pending = strm->state->pending; + if (bits != Z_NULL) + *bits = strm->state->bi_valid; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflatePrime(z_streamp strm, int bits, int value) { + deflate_state *s; + int put; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + if (bits < 0 || bits > 16 || + s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3)) + return Z_BUF_ERROR; + do { + put = Buf_size - s->bi_valid; + if (put > bits) + put = bits; + s->bi_buf |= (ush)((value & ((1 << put) - 1)) << s->bi_valid); + s->bi_valid += put; + _tr_flush_bits(s); + value >>= put; + bits -= put; + } while (bits); + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateParams(z_streamp strm, int level, int strategy) { + deflate_state *s; + compress_func func; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { + return Z_STREAM_ERROR; + } + func = configuration_table[s->level].func; + + if ((strategy != s->strategy || func != configuration_table[level].func) && + s->last_flush != -2) { + /* Flush the last buffer: */ + int err = deflate(strm, Z_BLOCK); + if (err == Z_STREAM_ERROR) + return err; + if (strm->avail_in || (s->strstart - s->block_start) + s->lookahead) + return Z_BUF_ERROR; + } + if (s->level != level) { + if (s->level == 0 && s->matches != 0) { + if (s->matches == 1) + slide_hash(s); + else + CLEAR_HASH(s); + s->matches = 0; + } + s->level = level; + s->max_lazy_match = configuration_table[level].max_lazy; + s->good_match = configuration_table[level].good_length; + s->nice_match = configuration_table[level].nice_length; + s->max_chain_length = configuration_table[level].max_chain; + } + s->strategy = strategy; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateTune(z_streamp strm, int good_length, int max_lazy, + int nice_length, int max_chain) { + deflate_state *s; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + s = strm->state; + s->good_match = (uInt)good_length; + s->max_lazy_match = (uInt)max_lazy; + s->nice_match = nice_length; + s->max_chain_length = (uInt)max_chain; + return Z_OK; +} + +/* ========================================================================= + * For the default windowBits of 15 and memLevel of 8, this function returns a + * close to exact, as well as small, upper bound on the compressed size. This + * is an expansion of ~0.03%, plus a small constant. + * + * For any setting other than those defaults for windowBits and memLevel, one + * of two worst case bounds is returned. This is at most an expansion of ~4% or + * ~13%, plus a small constant. + * + * Both the 0.03% and 4% derive from the overhead of stored blocks. The first + * one is for stored blocks of 16383 bytes (memLevel == 8), whereas the second + * is for stored blocks of 127 bytes (the worst case memLevel == 1). The + * expansion results from five bytes of header for each stored block. + * + * The larger expansion of 13% results from a window size less than or equal to + * the symbols buffer size (windowBits <= memLevel + 7). In that case some of + * the data being compressed may have slid out of the sliding window, impeding + * a stored block from being emitted. Then the only choice is a fixed or + * dynamic block, where a fixed block limits the maximum expansion to 9 bits + * per 8-bit byte, plus 10 bits for every block. The smallest block size for + * which this can occur is 255 (memLevel == 2). + * + * Shifts are used to approximate divisions, for speed. + */ +uLong ZEXPORT deflateBound(z_streamp strm, uLong sourceLen) { + deflate_state *s; + uLong fixedlen, storelen, wraplen; + + /* upper bound for fixed blocks with 9-bit literals and length 255 + (memLevel == 2, which is the lowest that may not use stored blocks) -- + ~13% overhead plus a small constant */ + fixedlen = sourceLen + (sourceLen >> 3) + (sourceLen >> 8) + + (sourceLen >> 9) + 4; + + /* upper bound for stored blocks with length 127 (memLevel == 1) -- + ~4% overhead plus a small constant */ + storelen = sourceLen + (sourceLen >> 5) + (sourceLen >> 7) + + (sourceLen >> 11) + 7; + + /* if can't get parameters, return larger bound plus a zlib wrapper */ + if (deflateStateCheck(strm)) + return (fixedlen > storelen ? fixedlen : storelen) + 6; + + /* compute wrapper length */ + s = strm->state; + switch (s->wrap) { + case 0: /* raw deflate */ + wraplen = 0; + break; + case 1: /* zlib wrapper */ + wraplen = 6 + (s->strstart ? 4 : 0); + break; +#ifdef GZIP + case 2: /* gzip wrapper */ + wraplen = 18; + if (s->gzhead != Z_NULL) { /* user-supplied gzip header */ + Bytef *str; + if (s->gzhead->extra != Z_NULL) + wraplen += 2 + s->gzhead->extra_len; + str = s->gzhead->name; + if (str != Z_NULL) + do { + wraplen++; + } while (*str++); + str = s->gzhead->comment; + if (str != Z_NULL) + do { + wraplen++; + } while (*str++); + if (s->gzhead->hcrc) + wraplen += 2; + } + break; +#endif + default: /* for compiler happiness */ + wraplen = 6; + } + + /* if not default parameters, return one of the conservative bounds */ + if (s->w_bits != 15 || s->hash_bits != 8 + 7) + return (s->w_bits <= s->hash_bits && s->level ? fixedlen : storelen) + + wraplen; + + /* default settings: return tight bound for that case -- ~0.03% overhead + plus a small constant */ + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + + (sourceLen >> 25) + 13 - 6 + wraplen; +} + +/* ========================================================================= + * Put a short in the pending buffer. The 16-bit value is put in MSB order. + * IN assertion: the stream state is correct and there is enough room in + * pending_buf. + */ +local void putShortMSB(deflate_state *s, uInt b) { + put_byte(s, (Byte)(b >> 8)); + put_byte(s, (Byte)(b & 0xff)); +} + +/* ========================================================================= + * Flush as much pending output as possible. All deflate() output, except for + * some deflate_stored() output, goes through this function so some + * applications may wish to modify it to avoid allocating a large + * strm->next_out buffer and copying into it. (See also read_buf()). + */ +local void flush_pending(z_streamp strm) { + unsigned len; + deflate_state *s = strm->state; + + _tr_flush_bits(s); + len = s->pending; + if (len > strm->avail_out) len = strm->avail_out; + if (len == 0) return; + + zmemcpy(strm->next_out, s->pending_out, len); + strm->next_out += len; + s->pending_out += len; + strm->total_out += len; + strm->avail_out -= len; + s->pending -= len; + if (s->pending == 0) { + s->pending_out = s->pending_buf; + } +} + +/* =========================================================================== + * Update the header CRC with the bytes s->pending_buf[beg..s->pending - 1]. + */ +#define HCRC_UPDATE(beg) \ + do { \ + if (s->gzhead->hcrc && s->pending > (beg)) \ + strm->adler = crc32(strm->adler, s->pending_buf + (beg), \ + s->pending - (beg)); \ + } while (0) + +/* ========================================================================= */ +int ZEXPORT deflate(z_streamp strm, int flush) { + int old_flush; /* value of flush param for previous deflate call */ + deflate_state *s; + + if (deflateStateCheck(strm) || flush > Z_BLOCK || flush < 0) { + return Z_STREAM_ERROR; + } + s = strm->state; + + if (strm->next_out == Z_NULL || + (strm->avail_in != 0 && strm->next_in == Z_NULL) || + (s->status == FINISH_STATE && flush != Z_FINISH)) { + ERR_RETURN(strm, Z_STREAM_ERROR); + } + if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR); + + old_flush = s->last_flush; + s->last_flush = flush; + + /* Flush as much pending output as possible */ + if (s->pending != 0) { + flush_pending(strm); + if (strm->avail_out == 0) { + /* Since avail_out is 0, deflate will be called again with + * more output space, but possibly with both pending and + * avail_in equal to zero. There won't be anything to do, + * but this is not an error situation so make sure we + * return OK instead of BUF_ERROR at next call of deflate: + */ + s->last_flush = -1; + return Z_OK; + } + + /* Make sure there is something to do and avoid duplicate consecutive + * flushes. For repeated and useless calls with Z_FINISH, we keep + * returning Z_STREAM_END instead of Z_BUF_ERROR. + */ + } else if (strm->avail_in == 0 && RANK(flush) <= RANK(old_flush) && + flush != Z_FINISH) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* User must not provide more input after the first FINISH: */ + if (s->status == FINISH_STATE && strm->avail_in != 0) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* Write the header */ + if (s->status == INIT_STATE && s->wrap == 0) + s->status = BUSY_STATE; + if (s->status == INIT_STATE) { + /* zlib header */ + uInt header = (Z_DEFLATED + ((s->w_bits - 8) << 4)) << 8; + uInt level_flags; + + if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2) + level_flags = 0; + else if (s->level < 6) + level_flags = 1; + else if (s->level == 6) + level_flags = 2; + else + level_flags = 3; + header |= (level_flags << 6); + if (s->strstart != 0) header |= PRESET_DICT; + header += 31 - (header % 31); + + putShortMSB(s, header); + + /* Save the adler32 of the preset dictionary: */ + if (s->strstart != 0) { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + strm->adler = adler32(0L, Z_NULL, 0); + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } +#ifdef GZIP + if (s->status == GZIP_STATE) { + /* gzip header */ + strm->adler = crc32(0L, Z_NULL, 0); + put_byte(s, 31); + put_byte(s, 139); + put_byte(s, 8); + if (s->gzhead == Z_NULL) { + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, OS_CODE); + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } + else { + put_byte(s, (s->gzhead->text ? 1 : 0) + + (s->gzhead->hcrc ? 2 : 0) + + (s->gzhead->extra == Z_NULL ? 0 : 4) + + (s->gzhead->name == Z_NULL ? 0 : 8) + + (s->gzhead->comment == Z_NULL ? 0 : 16) + ); + put_byte(s, (Byte)(s->gzhead->time & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, s->gzhead->os & 0xff); + if (s->gzhead->extra != Z_NULL) { + put_byte(s, s->gzhead->extra_len & 0xff); + put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); + } + if (s->gzhead->hcrc) + strm->adler = crc32(strm->adler, s->pending_buf, + s->pending); + s->gzindex = 0; + s->status = EXTRA_STATE; + } + } + if (s->status == EXTRA_STATE) { + if (s->gzhead->extra != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + uInt left = (s->gzhead->extra_len & 0xffff) - s->gzindex; + while (s->pending + left > s->pending_buf_size) { + uInt copy = s->pending_buf_size - s->pending; + zmemcpy(s->pending_buf + s->pending, + s->gzhead->extra + s->gzindex, copy); + s->pending = s->pending_buf_size; + HCRC_UPDATE(beg); + s->gzindex += copy; + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + left -= copy; + } + zmemcpy(s->pending_buf + s->pending, + s->gzhead->extra + s->gzindex, left); + s->pending += left; + HCRC_UPDATE(beg); + s->gzindex = 0; + } + s->status = NAME_STATE; + } + if (s->status == NAME_STATE) { + if (s->gzhead->name != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + int val; + do { + if (s->pending == s->pending_buf_size) { + HCRC_UPDATE(beg); + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + } + val = s->gzhead->name[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + HCRC_UPDATE(beg); + s->gzindex = 0; + } + s->status = COMMENT_STATE; + } + if (s->status == COMMENT_STATE) { + if (s->gzhead->comment != Z_NULL) { + ulg beg = s->pending; /* start of bytes to update crc */ + int val; + do { + if (s->pending == s->pending_buf_size) { + HCRC_UPDATE(beg); + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + beg = 0; + } + val = s->gzhead->comment[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + HCRC_UPDATE(beg); + } + s->status = HCRC_STATE; + } + if (s->status == HCRC_STATE) { + if (s->gzhead->hcrc) { + if (s->pending + 2 > s->pending_buf_size) { + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + strm->adler = crc32(0L, Z_NULL, 0); + } + s->status = BUSY_STATE; + + /* Compression must start with an empty pending buffer */ + flush_pending(strm); + if (s->pending != 0) { + s->last_flush = -1; + return Z_OK; + } + } +#endif + + /* Start a new block or continue the current one. + */ + if (strm->avail_in != 0 || s->lookahead != 0 || + (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) { + block_state bstate; + + bstate = s->level == 0 ? deflate_stored(s, flush) : + s->strategy == Z_HUFFMAN_ONLY ? deflate_huff(s, flush) : + s->strategy == Z_RLE ? deflate_rle(s, flush) : + (*(configuration_table[s->level].func))(s, flush); + + if (bstate == finish_started || bstate == finish_done) { + s->status = FINISH_STATE; + } + if (bstate == need_more || bstate == finish_started) { + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR next call, see above */ + } + return Z_OK; + /* If flush != Z_NO_FLUSH && avail_out == 0, the next call + * of deflate should use the same flush parameter to make sure + * that the flush is complete. So we don't have to output an + * empty block here, this will be done at next call. This also + * ensures that for a very small output buffer, we emit at most + * one empty block. + */ + } + if (bstate == block_done) { + if (flush == Z_PARTIAL_FLUSH) { + _tr_align(s); + } else if (flush != Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */ + _tr_stored_block(s, (char*)0, 0L, 0); + /* For a full flush, this empty block will be recognized + * as a special marker by inflate_sync(). + */ + if (flush == Z_FULL_FLUSH) { + CLEAR_HASH(s); /* forget history */ + if (s->lookahead == 0) { + s->strstart = 0; + s->block_start = 0L; + s->insert = 0; + } + } + } + flush_pending(strm); + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */ + return Z_OK; + } + } + } + + if (flush != Z_FINISH) return Z_OK; + if (s->wrap <= 0) return Z_STREAM_END; + + /* Write the trailer */ +#ifdef GZIP + if (s->wrap == 2) { + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 24) & 0xff)); + put_byte(s, (Byte)(strm->total_in & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 8) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 16) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 24) & 0xff)); + } + else +#endif + { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + flush_pending(strm); + /* If avail_out is zero, the application will call deflate again + * to flush the rest. + */ + if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */ + return s->pending != 0 ? Z_OK : Z_STREAM_END; +} + +/* ========================================================================= */ +int ZEXPORT deflateEnd(z_streamp strm) { + int status; + + if (deflateStateCheck(strm)) return Z_STREAM_ERROR; + + status = strm->state->status; + + /* Deallocate in reverse order of allocations: */ + TRY_FREE(strm, strm->state->pending_buf); + TRY_FREE(strm, strm->state->head); + TRY_FREE(strm, strm->state->prev); + TRY_FREE(strm, strm->state->window); + + ZFREE(strm, strm->state); + strm->state = Z_NULL; + + return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; +} + +/* ========================================================================= + * Copy the source state to the destination state. + * To simplify the source, this is not supported for 16-bit MSDOS (which + * doesn't have enough memory anyway to duplicate compression states). + */ +int ZEXPORT deflateCopy(z_streamp dest, z_streamp source) { +#ifdef MAXSEG_64K + (void)dest; + (void)source; + return Z_STREAM_ERROR; +#else + deflate_state *ds; + deflate_state *ss; + + + if (deflateStateCheck(source) || dest == Z_NULL) { + return Z_STREAM_ERROR; + } + + ss = source->state; + + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); + + ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); + if (ds == Z_NULL) return Z_MEM_ERROR; + dest->state = (struct internal_state FAR *) ds; + zmemcpy((voidpf)ds, (voidpf)ss, sizeof(deflate_state)); + ds->strm = dest; + + ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); + ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos)); + ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos)); + ds->pending_buf = (uchf *) ZALLOC(dest, ds->lit_bufsize, 4); + + if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || + ds->pending_buf == Z_NULL) { + deflateEnd (dest); + return Z_MEM_ERROR; + } + /* following zmemcpy do not work for 16-bit MSDOS */ + zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); + zmemcpy((voidpf)ds->prev, (voidpf)ss->prev, ds->w_size * sizeof(Pos)); + zmemcpy((voidpf)ds->head, (voidpf)ss->head, ds->hash_size * sizeof(Pos)); + zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); + + ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); + ds->sym_buf = ds->pending_buf + ds->lit_bufsize; + + ds->l_desc.dyn_tree = ds->dyn_ltree; + ds->d_desc.dyn_tree = ds->dyn_dtree; + ds->bl_desc.dyn_tree = ds->bl_tree; + + return Z_OK; +#endif /* MAXSEG_64K */ +} + +#ifndef FASTEST +/* =========================================================================== + * Set match_start to the longest match starting at the given string and + * return its length. Matches shorter or equal to prev_length are discarded, + * in which case the result is equal to prev_length and match_start is + * garbage. + * IN assertions: cur_match is the head of the hash chain for the current + * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 + * OUT assertion: the match length is not greater than s->lookahead. + */ +local uInt longest_match(deflate_state *s, IPos cur_match) { + unsigned chain_length = s->max_chain_length;/* max hash chain length */ + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + int best_len = (int)s->prev_length; /* best match length so far */ + int nice_match = s->nice_match; /* stop if match long enough */ + IPos limit = s->strstart > (IPos)MAX_DIST(s) ? + s->strstart - (IPos)MAX_DIST(s) : NIL; + /* Stop when cur_match becomes <= limit. To simplify the code, + * we prevent matches with the string of window index 0. + */ + Posf *prev = s->prev; + uInt wmask = s->w_mask; + +#ifdef UNALIGNED_OK + /* Compare two bytes at a time. Note: this is not always beneficial. + * Try with and without -DUNALIGNED_OK to check. + */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; + register ush scan_start = *(ushf*)scan; + register ush scan_end = *(ushf*)(scan + best_len - 1); +#else + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + register Byte scan_end1 = scan[best_len - 1]; + register Byte scan_end = scan[best_len]; +#endif + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + /* Do not waste too much time if we already have a good match: */ + if (s->prev_length >= s->good_match) { + chain_length >>= 2; + } + /* Do not look for matches beyond the end of the input. This is necessary + * to make deflate deterministic. + */ + if ((uInt)nice_match > s->lookahead) nice_match = (int)s->lookahead; + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "need lookahead"); + + do { + Assert(cur_match < s->strstart, "no future"); + match = s->window + cur_match; + + /* Skip to next match if the match length cannot increase + * or if the match length is less than 2. Note that the checks below + * for insufficient lookahead only occur occasionally for performance + * reasons. Therefore uninitialized memory will be accessed, and + * conditional jumps will be made that depend on those values. + * However the length of the match is limited to the lookahead, so + * the output of deflate is not affected by the uninitialized values. + */ +#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) + /* This code assumes sizeof(unsigned short) == 2. Do not use + * UNALIGNED_OK if your compiler uses a different size. + */ + if (*(ushf*)(match + best_len - 1) != scan_end || + *(ushf*)match != scan_start) continue; + + /* It is not necessary to compare scan[2] and match[2] since they are + * always equal when the other bytes match, given that the hash keys + * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at + * strstart + 3, + 5, up to strstart + 257. We check for insufficient + * lookahead only every 4th comparison; the 128th check will be made + * at strstart + 257. If MAX_MATCH-2 is not a multiple of 8, it is + * necessary to put more guard bytes at the end of the window, or + * to check more often for insufficient lookahead. + */ + Assert(scan[2] == match[2], "scan[2]?"); + scan++, match++; + do { + } while (*(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + *(ushf*)(scan += 2) == *(ushf*)(match += 2) && + scan < strend); + /* The funny "do {}" generates better code on most compilers */ + + /* Here, scan <= window + strstart + 257 */ + Assert(scan <= s->window + (unsigned)(s->window_size - 1), + "wild scan"); + if (*scan == *match) scan++; + + len = (MAX_MATCH - 1) - (int)(strend - scan); + scan = strend - (MAX_MATCH-1); + +#else /* UNALIGNED_OK */ + + if (match[best_len] != scan_end || + match[best_len - 1] != scan_end1 || + *match != *scan || + *++match != scan[1]) continue; + + /* The check at best_len - 1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match++; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart + 258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window + (unsigned)(s->window_size - 1), + "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + scan = strend - MAX_MATCH; + +#endif /* UNALIGNED_OK */ + + if (len > best_len) { + s->match_start = cur_match; + best_len = len; + if (len >= nice_match) break; +#ifdef UNALIGNED_OK + scan_end = *(ushf*)(scan + best_len - 1); +#else + scan_end1 = scan[best_len - 1]; + scan_end = scan[best_len]; +#endif + } + } while ((cur_match = prev[cur_match & wmask]) > limit + && --chain_length != 0); + + if ((uInt)best_len <= s->lookahead) return (uInt)best_len; + return s->lookahead; +} + +#else /* FASTEST */ + +/* --------------------------------------------------------------------------- + * Optimized version for FASTEST only + */ +local uInt longest_match(deflate_state *s, IPos cur_match) { + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD, + "need lookahead"); + + Assert(cur_match < s->strstart, "no future"); + + match = s->window + cur_match; + + /* Return failure if the match length is less than 2: + */ + if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1; + + /* The check at best_len - 1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match += 2; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart + 258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window + (unsigned)(s->window_size - 1), "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + + if (len < MIN_MATCH) return MIN_MATCH - 1; + + s->match_start = cur_match; + return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead; +} + +#endif /* FASTEST */ + +#ifdef ZLIB_DEBUG + +#define EQUAL 0 +/* result of memcmp for equal strings */ + +/* =========================================================================== + * Check that the match at match_start is indeed a match. + */ +local void check_match(deflate_state *s, IPos start, IPos match, int length) { + /* check that the match is indeed a match */ + if (zmemcmp(s->window + match, + s->window + start, length) != EQUAL) { + fprintf(stderr, " start %u, match %u, length %d\n", + start, match, length); + do { + fprintf(stderr, "%c%c", s->window[match++], s->window[start++]); + } while (--length != 0); + z_error("invalid match"); + } + if (z_verbose > 1) { + fprintf(stderr,"\\[%d,%d]", start - match, length); + do { putc(s->window[start++], stderr); } while (--length != 0); + } +} +#else +# define check_match(s, start, match, length) +#endif /* ZLIB_DEBUG */ + +/* =========================================================================== + * Flush the current block, with given end-of-file flag. + * IN assertion: strstart is set to the end of the current match. + */ +#define FLUSH_BLOCK_ONLY(s, last) { \ + _tr_flush_block(s, (s->block_start >= 0L ? \ + (charf *)&s->window[(unsigned)s->block_start] : \ + (charf *)Z_NULL), \ + (ulg)((long)s->strstart - s->block_start), \ + (last)); \ + s->block_start = s->strstart; \ + flush_pending(s->strm); \ + Tracev((stderr,"[FLUSH]")); \ +} + +/* Same but force premature exit if necessary. */ +#define FLUSH_BLOCK(s, last) { \ + FLUSH_BLOCK_ONLY(s, last); \ + if (s->strm->avail_out == 0) return (last) ? finish_started : need_more; \ +} + +/* Maximum stored block length in deflate format (not including header). */ +#define MAX_STORED 65535 + +/* Minimum of a and b. */ +#ifndef MIN +#define MIN(a, b) ((a) > (b) ? (b) : (a)) +#endif + +/* =========================================================================== + * Copy without compression as much as possible from the input stream, return + * the current block state. + * + * In case deflateParams() is used to later switch to a non-zero compression + * level, s->matches (otherwise unused when storing) keeps track of the number + * of hash table slides to perform. If s->matches is 1, then one hash table + * slide will be done when switching. If s->matches is 2, the maximum value + * allowed here, then the hash table will be cleared, since two or more slides + * is the same as a clear. + * + * deflate_stored() is written to minimize the number of times an input byte is + * copied. It is most efficient with large input and output buffers, which + * maximizes the opportunities to have a single copy from next_in to next_out. + */ +local block_state deflate_stored(deflate_state *s, int flush) { + /* Smallest worthy block size when not flushing or finishing. By default + * this is 32K. This can be as small as 507 bytes for memLevel == 1. For + * large input and output buffers, the stored block size will be larger. + */ + unsigned min_block = MIN(s->pending_buf_size - 5, s->w_size); + + /* Copy as many min_block or larger stored blocks directly to next_out as + * possible. If flushing, copy the remaining available input to next_out as + * stored blocks, if there is enough space. + */ + unsigned len, left, have, last = 0; + unsigned used = s->strm->avail_in; + do { + /* Set len to the maximum size block that we can copy directly with the + * available input data and output space. Set left to how much of that + * would be copied from what's left in the window. + */ + len = MAX_STORED; /* maximum deflate stored block length */ + have = (s->bi_valid + 42) >> 3; /* number of header bytes */ + if (s->strm->avail_out < have) /* need room for header */ + break; + /* maximum stored block length that will fit in avail_out: */ + have = s->strm->avail_out - have; + left = s->strstart - s->block_start; /* bytes left in window */ + if (len > (ulg)left + s->strm->avail_in) + len = left + s->strm->avail_in; /* limit len to the input */ + if (len > have) + len = have; /* limit len to the output */ + + /* If the stored block would be less than min_block in length, or if + * unable to copy all of the available input when flushing, then try + * copying to the window and the pending buffer instead. Also don't + * write an empty block when flushing -- deflate() does that. + */ + if (len < min_block && ((len == 0 && flush != Z_FINISH) || + flush == Z_NO_FLUSH || + len != left + s->strm->avail_in)) + break; + + /* Make a dummy stored block in pending to get the header bytes, + * including any pending bits. This also updates the debugging counts. + */ + last = flush == Z_FINISH && len == left + s->strm->avail_in ? 1 : 0; + _tr_stored_block(s, (char *)0, 0L, last); + + /* Replace the lengths in the dummy stored block with len. */ + s->pending_buf[s->pending - 4] = len; + s->pending_buf[s->pending - 3] = len >> 8; + s->pending_buf[s->pending - 2] = ~len; + s->pending_buf[s->pending - 1] = ~len >> 8; + + /* Write the stored block header bytes. */ + flush_pending(s->strm); + +#ifdef ZLIB_DEBUG + /* Update debugging counts for the data about to be copied. */ + s->compressed_len += len << 3; + s->bits_sent += len << 3; +#endif + + /* Copy uncompressed bytes from the window to next_out. */ + if (left) { + if (left > len) + left = len; + zmemcpy(s->strm->next_out, s->window + s->block_start, left); + s->strm->next_out += left; + s->strm->avail_out -= left; + s->strm->total_out += left; + s->block_start += left; + len -= left; + } + + /* Copy uncompressed bytes directly from next_in to next_out, updating + * the check value. + */ + if (len) { + read_buf(s->strm, s->strm->next_out, len); + s->strm->next_out += len; + s->strm->avail_out -= len; + s->strm->total_out += len; + } + } while (last == 0); + + /* Update the sliding window with the last s->w_size bytes of the copied + * data, or append all of the copied data to the existing window if less + * than s->w_size bytes were copied. Also update the number of bytes to + * insert in the hash tables, in the event that deflateParams() switches to + * a non-zero compression level. + */ + used -= s->strm->avail_in; /* number of input bytes directly copied */ + if (used) { + /* If any input was used, then no unused input remains in the window, + * therefore s->block_start == s->strstart. + */ + if (used >= s->w_size) { /* supplant the previous history */ + s->matches = 2; /* clear hash */ + zmemcpy(s->window, s->strm->next_in - s->w_size, s->w_size); + s->strstart = s->w_size; + s->insert = s->strstart; + } + else { + if (s->window_size - s->strstart <= used) { + /* Slide the window down. */ + s->strstart -= s->w_size; + zmemcpy(s->window, s->window + s->w_size, s->strstart); + if (s->matches < 2) + s->matches++; /* add a pending slide_hash() */ + if (s->insert > s->strstart) + s->insert = s->strstart; + } + zmemcpy(s->window + s->strstart, s->strm->next_in - used, used); + s->strstart += used; + s->insert += MIN(used, s->w_size - s->insert); + } + s->block_start = s->strstart; + } + if (s->high_water < s->strstart) + s->high_water = s->strstart; + + /* If the last block was written to next_out, then done. */ + if (last) + return finish_done; + + /* If flushing and all input has been consumed, then done. */ + if (flush != Z_NO_FLUSH && flush != Z_FINISH && + s->strm->avail_in == 0 && (long)s->strstart == s->block_start) + return block_done; + + /* Fill the window with any remaining input. */ + have = s->window_size - s->strstart; + if (s->strm->avail_in > have && s->block_start >= (long)s->w_size) { + /* Slide the window down. */ + s->block_start -= s->w_size; + s->strstart -= s->w_size; + zmemcpy(s->window, s->window + s->w_size, s->strstart); + if (s->matches < 2) + s->matches++; /* add a pending slide_hash() */ + have += s->w_size; /* more space now */ + if (s->insert > s->strstart) + s->insert = s->strstart; + } + if (have > s->strm->avail_in) + have = s->strm->avail_in; + if (have) { + read_buf(s->strm, s->window + s->strstart, have); + s->strstart += have; + s->insert += MIN(have, s->w_size - s->insert); + } + if (s->high_water < s->strstart) + s->high_water = s->strstart; + + /* There was not enough avail_out to write a complete worthy or flushed + * stored block to next_out. Write a stored block to pending instead, if we + * have enough input for a worthy block, or if flushing and there is enough + * room for the remaining input as a stored block in the pending buffer. + */ + have = (s->bi_valid + 42) >> 3; /* number of header bytes */ + /* maximum stored block length that will fit in pending: */ + have = MIN(s->pending_buf_size - have, MAX_STORED); + min_block = MIN(have, s->w_size); + left = s->strstart - s->block_start; + if (left >= min_block || + ((left || flush == Z_FINISH) && flush != Z_NO_FLUSH && + s->strm->avail_in == 0 && left <= have)) { + len = MIN(left, have); + last = flush == Z_FINISH && s->strm->avail_in == 0 && + len == left ? 1 : 0; + _tr_stored_block(s, (charf *)s->window + s->block_start, len, last); + s->block_start += len; + flush_pending(s->strm); + } + + /* We've done all we can with the available input and output. */ + return last ? finish_started : need_more; +} + +/* =========================================================================== + * Compress as much as possible from the input stream, return the current + * block state. + * This function does not perform lazy evaluation of matches and inserts + * new strings in the dictionary only for unmatched strings or for short + * matches. It is used only for the fast compression options. + */ +local block_state deflate_fast(deflate_state *s, int flush) { + IPos hash_head; /* head of the hash chain */ + int bflush; /* set if current block must be flushed */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart + 2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + * At this point we have always match_length < MIN_MATCH + */ + if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ + s->match_length = longest_match (s, hash_head); + /* longest_match() sets match_start */ + } + if (s->match_length >= MIN_MATCH) { + check_match(s, s->strstart, s->match_start, s->match_length); + + _tr_tally_dist(s, s->strstart - s->match_start, + s->match_length - MIN_MATCH, bflush); + + s->lookahead -= s->match_length; + + /* Insert new strings in the hash table only if the match length + * is not too large. This saves time but degrades compression. + */ +#ifndef FASTEST + if (s->match_length <= s->max_insert_length && + s->lookahead >= MIN_MATCH) { + s->match_length--; /* string at strstart already in table */ + do { + s->strstart++; + INSERT_STRING(s, s->strstart, hash_head); + /* strstart never exceeds WSIZE-MAX_MATCH, so there are + * always MIN_MATCH bytes ahead. + */ + } while (--s->match_length != 0); + s->strstart++; + } else +#endif + { + s->strstart += s->match_length; + s->match_length = 0; + s->ins_h = s->window[s->strstart]; + UPDATE_HASH(s, s->ins_h, s->window[s->strstart + 1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not + * matter since it will be recomputed at next deflate call. + */ + } + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} + +#ifndef FASTEST +/* =========================================================================== + * Same as above, but achieves better compression. We use a lazy + * evaluation for matches: a match is finally adopted only if there is + * no better match at the next window position. + */ +local block_state deflate_slow(deflate_state *s, int flush) { + IPos hash_head; /* head of hash chain */ + int bflush; /* set if current block must be flushed */ + + /* Process the input block. */ + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart + 2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + hash_head = NIL; + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + */ + s->prev_length = s->match_length, s->prev_match = s->match_start; + s->match_length = MIN_MATCH-1; + + if (hash_head != NIL && s->prev_length < s->max_lazy_match && + s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ + s->match_length = longest_match (s, hash_head); + /* longest_match() sets match_start */ + + if (s->match_length <= 5 && (s->strategy == Z_FILTERED +#if TOO_FAR <= 32767 + || (s->match_length == MIN_MATCH && + s->strstart - s->match_start > TOO_FAR) +#endif + )) { + + /* If prev_match is also MIN_MATCH, match_start is garbage + * but we will ignore the current match anyway. + */ + s->match_length = MIN_MATCH-1; + } + } + /* If there was a match at the previous step and the current + * match is not better, output the previous match: + */ + if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) { + uInt max_insert = s->strstart + s->lookahead - MIN_MATCH; + /* Do not insert strings in hash table beyond this. */ + + check_match(s, s->strstart - 1, s->prev_match, s->prev_length); + + _tr_tally_dist(s, s->strstart - 1 - s->prev_match, + s->prev_length - MIN_MATCH, bflush); + + /* Insert in hash table all strings up to the end of the match. + * strstart - 1 and strstart are already inserted. If there is not + * enough lookahead, the last two strings are not inserted in + * the hash table. + */ + s->lookahead -= s->prev_length - 1; + s->prev_length -= 2; + do { + if (++s->strstart <= max_insert) { + INSERT_STRING(s, s->strstart, hash_head); + } + } while (--s->prev_length != 0); + s->match_available = 0; + s->match_length = MIN_MATCH-1; + s->strstart++; + + if (bflush) FLUSH_BLOCK(s, 0); + + } else if (s->match_available) { + /* If there was no match at the previous position, output a + * single literal. If there was a match but the current match + * is longer, truncate the previous match to a single literal. + */ + Tracevv((stderr,"%c", s->window[s->strstart - 1])); + _tr_tally_lit(s, s->window[s->strstart - 1], bflush); + if (bflush) { + FLUSH_BLOCK_ONLY(s, 0); + } + s->strstart++; + s->lookahead--; + if (s->strm->avail_out == 0) return need_more; + } else { + /* There is no previous match to compare with, wait for + * the next step to decide. + */ + s->match_available = 1; + s->strstart++; + s->lookahead--; + } + } + Assert (flush != Z_NO_FLUSH, "no flush?"); + if (s->match_available) { + Tracevv((stderr,"%c", s->window[s->strstart - 1])); + _tr_tally_lit(s, s->window[s->strstart - 1], bflush); + s->match_available = 0; + } + s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} +#endif /* FASTEST */ + +/* =========================================================================== + * For Z_RLE, simply look for runs of bytes, generate matches only of distance + * one. Do not maintain a hash table. (It will be regenerated if this run of + * deflate switches away from Z_RLE.) + */ +local block_state deflate_rle(deflate_state *s, int flush) { + int bflush; /* set if current block must be flushed */ + uInt prev; /* byte at distance one to match */ + Bytef *scan, *strend; /* scan goes up to strend for length of run */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the longest run, plus one for the unrolled loop. + */ + if (s->lookahead <= MAX_MATCH) { + fill_window(s); + if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* See how many times the previous byte repeats */ + s->match_length = 0; + if (s->lookahead >= MIN_MATCH && s->strstart > 0) { + scan = s->window + s->strstart - 1; + prev = *scan; + if (prev == *++scan && prev == *++scan && prev == *++scan) { + strend = s->window + s->strstart + MAX_MATCH; + do { + } while (prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + prev == *++scan && prev == *++scan && + scan < strend); + s->match_length = MAX_MATCH - (uInt)(strend - scan); + if (s->match_length > s->lookahead) + s->match_length = s->lookahead; + } + Assert(scan <= s->window + (uInt)(s->window_size - 1), + "wild scan"); + } + + /* Emit match if have run of MIN_MATCH or longer, else emit literal */ + if (s->match_length >= MIN_MATCH) { + check_match(s, s->strstart, s->strstart - 1, s->match_length); + + _tr_tally_dist(s, 1, s->match_length - MIN_MATCH, bflush); + + s->lookahead -= s->match_length; + s->strstart += s->match_length; + s->match_length = 0; + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} + +/* =========================================================================== + * For Z_HUFFMAN_ONLY, do not look for matches. Do not maintain a hash table. + * (It will be regenerated if this run of deflate switches away from Huffman.) + */ +local block_state deflate_huff(deflate_state *s, int flush) { + int bflush; /* set if current block must be flushed */ + + for (;;) { + /* Make sure that we have a literal to write. */ + if (s->lookahead == 0) { + fill_window(s); + if (s->lookahead == 0) { + if (flush == Z_NO_FLUSH) + return need_more; + break; /* flush the current block */ + } + } + + /* Output a literal byte */ + s->match_length = 0; + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit(s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + if (bflush) FLUSH_BLOCK(s, 0); + } + s->insert = 0; + if (flush == Z_FINISH) { + FLUSH_BLOCK(s, 1); + return finish_done; + } + if (s->sym_next) + FLUSH_BLOCK(s, 0); + return block_done; +} diff --git a/lib/zlib/deflate.h b/lib/zlib/deflate.h new file mode 100644 index 0000000..8696791 --- /dev/null +++ b/lib/zlib/deflate.h @@ -0,0 +1,346 @@ +/* deflate.h -- internal compression state + * Copyright (C) 1995-2018 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef DEFLATE_H +#define DEFLATE_H + +#include "zutil.h" + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer creation by deflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip encoding + should be left enabled. */ +#ifndef NO_GZIP +# define GZIP +#endif + +/* =========================================================================== + * Internal compression state. + */ + +#define LENGTH_CODES 29 +/* number of length codes, not counting the special END_BLOCK code */ + +#define LITERALS 256 +/* number of literal bytes 0..255 */ + +#define L_CODES (LITERALS+1+LENGTH_CODES) +/* number of Literal or Length codes, including the END_BLOCK code */ + +#define D_CODES 30 +/* number of distance codes */ + +#define BL_CODES 19 +/* number of codes used to transfer the bit lengths */ + +#define HEAP_SIZE (2*L_CODES+1) +/* maximum heap size */ + +#define MAX_BITS 15 +/* All codes must not exceed MAX_BITS bits */ + +#define Buf_size 16 +/* size of bit buffer in bi_buf */ + +#define INIT_STATE 42 /* zlib header -> BUSY_STATE */ +#ifdef GZIP +# define GZIP_STATE 57 /* gzip header -> BUSY_STATE | EXTRA_STATE */ +#endif +#define EXTRA_STATE 69 /* gzip extra block -> NAME_STATE */ +#define NAME_STATE 73 /* gzip file name -> COMMENT_STATE */ +#define COMMENT_STATE 91 /* gzip comment -> HCRC_STATE */ +#define HCRC_STATE 103 /* gzip header CRC -> BUSY_STATE */ +#define BUSY_STATE 113 /* deflate -> FINISH_STATE */ +#define FINISH_STATE 666 /* stream complete */ +/* Stream status */ + + +/* Data structure describing a single value and its code string. */ +typedef struct ct_data_s { + union { + ush freq; /* frequency count */ + ush code; /* bit string */ + } fc; + union { + ush dad; /* father node in Huffman tree */ + ush len; /* length of bit string */ + } dl; +} FAR ct_data; + +#define Freq fc.freq +#define Code fc.code +#define Dad dl.dad +#define Len dl.len + +typedef struct static_tree_desc_s static_tree_desc; + +typedef struct tree_desc_s { + ct_data *dyn_tree; /* the dynamic tree */ + int max_code; /* largest code with non zero frequency */ + const static_tree_desc *stat_desc; /* the corresponding static tree */ +} FAR tree_desc; + +typedef ush Pos; +typedef Pos FAR Posf; +typedef unsigned IPos; + +/* A Pos is an index in the character window. We use short instead of int to + * save space in the various tables. IPos is used only for parameter passing. + */ + +typedef struct internal_state { + z_streamp strm; /* pointer back to this zlib stream */ + int status; /* as the name implies */ + Bytef *pending_buf; /* output still pending */ + ulg pending_buf_size; /* size of pending_buf */ + Bytef *pending_out; /* next pending byte to output to the stream */ + ulg pending; /* nb of bytes in the pending buffer */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + gz_headerp gzhead; /* gzip header information to write */ + ulg gzindex; /* where in extra, name, or comment */ + Byte method; /* can only be DEFLATED */ + int last_flush; /* value of flush param for previous deflate call */ + + /* used by deflate.c: */ + + uInt w_size; /* LZ77 window size (32K by default) */ + uInt w_bits; /* log2(w_size) (8..16) */ + uInt w_mask; /* w_size - 1 */ + + Bytef *window; + /* Sliding window. Input bytes are read into the second half of the window, + * and move to the first half later to keep a dictionary of at least wSize + * bytes. With this organization, matches are limited to a distance of + * wSize-MAX_MATCH bytes, but this ensures that IO is always + * performed with a length multiple of the block size. Also, it limits + * the window size to 64K, which is quite useful on MSDOS. + * To do: use the user input buffer as sliding window. + */ + + ulg window_size; + /* Actual size of window: 2*wSize, except when the user input buffer + * is directly used as sliding window. + */ + + Posf *prev; + /* Link to older string with same hash index. To limit the size of this + * array to 64K, this link is maintained only for the last 32K strings. + * An index in this array is thus a window index modulo 32K. + */ + + Posf *head; /* Heads of the hash chains or NIL. */ + + uInt ins_h; /* hash index of string to be inserted */ + uInt hash_size; /* number of elements in hash table */ + uInt hash_bits; /* log2(hash_size) */ + uInt hash_mask; /* hash_size-1 */ + + uInt hash_shift; + /* Number of bits by which ins_h must be shifted at each input + * step. It must be such that after MIN_MATCH steps, the oldest + * byte no longer takes part in the hash key, that is: + * hash_shift * MIN_MATCH >= hash_bits + */ + + long block_start; + /* Window position at the beginning of the current output block. Gets + * negative when the window is moved backwards. + */ + + uInt match_length; /* length of best match */ + IPos prev_match; /* previous match */ + int match_available; /* set if previous match exists */ + uInt strstart; /* start of string to insert */ + uInt match_start; /* start of matching string */ + uInt lookahead; /* number of valid bytes ahead in window */ + + uInt prev_length; + /* Length of the best match at previous step. Matches not greater than this + * are discarded. This is used in the lazy match evaluation. + */ + + uInt max_chain_length; + /* To speed up deflation, hash chains are never searched beyond this + * length. A higher limit improves compression ratio but degrades the + * speed. + */ + + uInt max_lazy_match; + /* Attempt to find a better match only when the current match is strictly + * smaller than this value. This mechanism is used only for compression + * levels >= 4. + */ +# define max_insert_length max_lazy_match + /* Insert new strings in the hash table only if the match length is not + * greater than this length. This saves time but degrades compression. + * max_insert_length is used only for compression levels <= 3. + */ + + int level; /* compression level (1..9) */ + int strategy; /* favor or force Huffman coding*/ + + uInt good_match; + /* Use a faster search when the previous match is longer than this */ + + int nice_match; /* Stop searching when current match exceeds this */ + + /* used by trees.c: */ + /* Didn't use ct_data typedef below to suppress compiler warning */ + struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ + struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ + struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ + + struct tree_desc_s l_desc; /* desc. for literal tree */ + struct tree_desc_s d_desc; /* desc. for distance tree */ + struct tree_desc_s bl_desc; /* desc. for bit length tree */ + + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */ + int heap_len; /* number of elements in the heap */ + int heap_max; /* element of largest frequency */ + /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. + * The same heap array is used to build all trees. + */ + + uch depth[2*L_CODES+1]; + /* Depth of each subtree used as tie breaker for trees of equal frequency + */ + + uchf *sym_buf; /* buffer for distances and literals/lengths */ + + uInt lit_bufsize; + /* Size of match buffer for literals/lengths. There are 4 reasons for + * limiting lit_bufsize to 64K: + * - frequencies can be kept in 16 bit counters + * - if compression is not successful for the first block, all input + * data is still in the window so we can still emit a stored block even + * when input comes from standard input. (This can also be done for + * all blocks if lit_bufsize is not greater than 32K.) + * - if compression is not successful for a file smaller than 64K, we can + * even emit a stored file instead of a stored block (saving 5 bytes). + * This is applicable only for zip (not gzip or zlib). + * - creating new Huffman trees less frequently may not provide fast + * adaptation to changes in the input data statistics. (Take for + * example a binary file with poorly compressible code followed by + * a highly compressible string table.) Smaller buffer sizes give + * fast adaptation but have of course the overhead of transmitting + * trees more frequently. + * - I can't count above 4 + */ + + uInt sym_next; /* running index in sym_buf */ + uInt sym_end; /* symbol table full when sym_next reaches this */ + + ulg opt_len; /* bit length of current block with optimal trees */ + ulg static_len; /* bit length of current block with static trees */ + uInt matches; /* number of string matches in current block */ + uInt insert; /* bytes at end of window left to insert */ + +#ifdef ZLIB_DEBUG + ulg compressed_len; /* total bit length of compressed file mod 2^32 */ + ulg bits_sent; /* bit length of compressed data sent mod 2^32 */ +#endif + + ush bi_buf; + /* Output buffer. bits are inserted starting at the bottom (least + * significant bits). + */ + int bi_valid; + /* Number of valid bits in bi_buf. All bits above the last valid bit + * are always zero. + */ + + ulg high_water; + /* High water mark offset in window for initialized bytes -- bytes above + * this are set to zero in order to avoid memory check warnings when + * longest match routines access bytes past the input. This is then + * updated to the new high water mark. + */ + +} FAR deflate_state; + +/* Output a byte on the stream. + * IN assertion: there is enough room in pending_buf. + */ +#define put_byte(s, c) {s->pending_buf[s->pending++] = (Bytef)(c);} + + +#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) +/* Minimum amount of lookahead, except at the end of the input file. + * See deflate.c for comments about the MIN_MATCH+1. + */ + +#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) +/* In order to simplify the code, particularly on 16 bit machines, match + * distances are limited to MAX_DIST instead of WSIZE. + */ + +#define WIN_INIT MAX_MATCH +/* Number of bytes after end of data in window to initialize in order to avoid + memory checker errors from longest match routines */ + + /* in trees.c */ +void ZLIB_INTERNAL _tr_init(deflate_state *s); +int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc); +void ZLIB_INTERNAL _tr_flush_block(deflate_state *s, charf *buf, + ulg stored_len, int last); +void ZLIB_INTERNAL _tr_flush_bits(deflate_state *s); +void ZLIB_INTERNAL _tr_align(deflate_state *s); +void ZLIB_INTERNAL _tr_stored_block(deflate_state *s, charf *buf, + ulg stored_len, int last); + +#define d_code(dist) \ + ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) +/* Mapping from a distance to a distance code. dist is the distance - 1 and + * must not have side effects. _dist_code[256] and _dist_code[257] are never + * used. + */ + +#ifndef ZLIB_DEBUG +/* Inline versions of _tr_tally for speed: */ + +#if defined(GEN_TREES_H) || !defined(STDC) + extern uch ZLIB_INTERNAL _length_code[]; + extern uch ZLIB_INTERNAL _dist_code[]; +#else + extern const uch ZLIB_INTERNAL _length_code[]; + extern const uch ZLIB_INTERNAL _dist_code[]; +#endif + +# define _tr_tally_lit(s, c, flush) \ + { uch cc = (c); \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = 0; \ + s->sym_buf[s->sym_next++] = cc; \ + s->dyn_ltree[cc].Freq++; \ + flush = (s->sym_next == s->sym_end); \ + } +# define _tr_tally_dist(s, distance, length, flush) \ + { uch len = (uch)(length); \ + ush dist = (ush)(distance); \ + s->sym_buf[s->sym_next++] = (uch)dist; \ + s->sym_buf[s->sym_next++] = (uch)(dist >> 8); \ + s->sym_buf[s->sym_next++] = len; \ + dist--; \ + s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ + s->dyn_dtree[d_code(dist)].Freq++; \ + flush = (s->sym_next == s->sym_end); \ + } +#else +# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) +# define _tr_tally_dist(s, distance, length, flush) \ + flush = _tr_tally(s, distance, length) +#endif + +#endif /* DEFLATE_H */ diff --git a/lib/zlib/gzclose.c b/lib/zlib/gzclose.c new file mode 100644 index 0000000..48d6a86 --- /dev/null +++ b/lib/zlib/gzclose.c @@ -0,0 +1,23 @@ +/* gzclose.c -- zlib gzclose() function + * Copyright (C) 2004, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* gzclose() is in a separate file so that it is linked in only if it is used. + That way the other gzclose functions can be used instead to avoid linking in + unneeded compression or decompression routines. */ +int ZEXPORT gzclose(gzFile file) { +#ifndef NO_GZCOMPRESS + gz_statep state; + + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file); +#else + return gzclose_r(file); +#endif +} diff --git a/lib/zlib/gzguts.h b/lib/zlib/gzguts.h new file mode 100644 index 0000000..4448a09 --- /dev/null +++ b/lib/zlib/gzguts.h @@ -0,0 +1,218 @@ +/* gzguts.h -- zlib internal header definitions for gz* operations + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#ifdef _LARGEFILE64_SOURCE +# ifndef _LARGEFILE_SOURCE +# define _LARGEFILE_SOURCE 1 +# endif +# undef _FILE_OFFSET_BITS +# undef _TIME_BITS +#endif + +#ifdef HAVE_HIDDEN +# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) +#else +# define ZLIB_INTERNAL +#endif + +#include "zlib.h" +#include <stdio.h> +#ifdef STDC +# include <string.h> +# include <stdlib.h> +# include <limits.h> +#endif + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif +#include <fcntl.h> + +#ifdef _WIN32 +# include <stddef.h> +#endif + +#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32) +# include <io.h> +#endif + +#if defined(_WIN32) +# define WIDECHAR +#endif + +#ifdef WINAPI_FAMILY +# define open _open +# define read _read +# define write _write +# define close _close +#endif + +#ifdef NO_DEFLATE /* for compatibility with old definition */ +# define NO_GZCOMPRESS +#endif + +#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(__CYGWIN__) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif + +#ifndef HAVE_VSNPRINTF +# ifdef MSDOS +/* vsnprintf may exist on some MS-DOS compilers (DJGPP?), + but for now we just assume it doesn't. */ +# define NO_vsnprintf +# endif +# ifdef __TURBOC__ +# define NO_vsnprintf +# endif +# ifdef WIN32 +/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ +# if !defined(vsnprintf) && !defined(NO_vsnprintf) +# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) +# define vsnprintf _vsnprintf +# endif +# endif +# endif +# ifdef __SASC +# define NO_vsnprintf +# endif +# ifdef VMS +# define NO_vsnprintf +# endif +# ifdef __OS400__ +# define NO_vsnprintf +# endif +# ifdef __MVS__ +# define NO_vsnprintf +# endif +#endif + +/* unlike snprintf (which is required in C99), _snprintf does not guarantee + null termination of the result -- however this is only used in gzlib.c where + the result is assured to fit in the space provided */ +#if defined(_MSC_VER) && _MSC_VER < 1900 +# define snprintf _snprintf +#endif + +#ifndef local +# define local static +#endif +/* since "static" is used to mean two completely different things in C, we + define "local" for the non-static meaning of "static", for readability + (compile with -Dlocal if your debugger can't find static symbols) */ + +/* gz* functions always use library allocation functions */ +#ifndef STDC + extern voidp malloc(uInt size); + extern void free(voidpf ptr); +#endif + +/* get errno and strerror definition */ +#if defined UNDER_CE +# include <windows.h> +# define zstrerror() gz_strwinerror((DWORD)GetLastError()) +#else +# ifndef NO_STRERROR +# include <errno.h> +# define zstrerror() strerror(errno) +# else +# define zstrerror() "stdio error (consult errno)" +# endif +#endif + +/* provide prototypes for these when building zlib without LFS */ +#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0 + ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *); + ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int); + ZEXTERN z_off64_t ZEXPORT gztell64(gzFile); + ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile); +#endif + +/* default memLevel */ +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif + +/* default i/o buffer size -- double this for output when reading (this and + twice this must be able to fit in an unsigned type) */ +#define GZBUFSIZE 8192 + +/* gzip modes, also provide a little integrity check on the passed structure */ +#define GZ_NONE 0 +#define GZ_READ 7247 +#define GZ_WRITE 31153 +#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */ + +/* values for gz_state how */ +#define LOOK 0 /* look for a gzip header */ +#define COPY 1 /* copy input directly */ +#define GZIP 2 /* decompress a gzip stream */ + +/* internal gzip file state data structure */ +typedef struct { + /* exposed contents for gzgetc() macro */ + struct gzFile_s x; /* "x" for exposed */ + /* x.have: number of bytes available at x.next */ + /* x.next: next output data to deliver or write */ + /* x.pos: current position in uncompressed data */ + /* used for both reading and writing */ + int mode; /* see gzip modes above */ + int fd; /* file descriptor */ + char *path; /* path or fd for error messages */ + unsigned size; /* buffer size, zero if not allocated yet */ + unsigned want; /* requested buffer size, default is GZBUFSIZE */ + unsigned char *in; /* input buffer (double-sized when writing) */ + unsigned char *out; /* output buffer (double-sized when reading) */ + int direct; /* 0 if processing gzip, 1 if transparent */ + /* just for reading */ + int how; /* 0: get header, 1: copy, 2: decompress */ + z_off64_t start; /* where the gzip data started, for rewinding */ + int eof; /* true if end of input file reached */ + int past; /* true if read requested past end */ + /* just for writing */ + int level; /* compression level */ + int strategy; /* compression strategy */ + int reset; /* true if a reset is pending after a Z_FINISH */ + /* seek request */ + z_off64_t skip; /* amount to skip (already rewound if backwards) */ + int seek; /* true if seek request pending */ + /* error information */ + int err; /* error code */ + char *msg; /* error message */ + /* zlib inflate or deflate stream */ + z_stream strm; /* stream structure in-place (not a pointer) */ +} gz_state; +typedef gz_state FAR *gz_statep; + +/* shared functions */ +void ZLIB_INTERNAL gz_error(gz_statep, int, const char *); +#if defined UNDER_CE +char ZLIB_INTERNAL *gz_strwinerror(DWORD error); +#endif + +/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t + value -- needed when comparing unsigned to z_off64_t, which is signed + (possible z_off64_t types off_t, off64_t, and long are all signed) */ +#ifdef INT_MAX +# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX) +#else +unsigned ZLIB_INTERNAL gz_intmax(void); +# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax()) +#endif diff --git a/lib/zlib/gzlib.c b/lib/zlib/gzlib.c new file mode 100644 index 0000000..29fc448 --- /dev/null +++ b/lib/zlib/gzlib.c @@ -0,0 +1,582 @@ +/* gzlib.c -- zlib functions common to reading and writing gzip files + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +#if defined(_WIN32) && !defined(__BORLANDC__) +# define LSEEK _lseeki64 +#else +#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 +# define LSEEK lseek64 +#else +# define LSEEK lseek +#endif +#endif + +#if defined UNDER_CE + +/* Map the Windows error number in ERROR to a locale-dependent error message + string and return a pointer to it. Typically, the values for ERROR come + from GetLastError. + + The string pointed to shall not be modified by the application, but may be + overwritten by a subsequent call to gz_strwinerror + + The gz_strwinerror function does not change the current setting of + GetLastError. */ +char ZLIB_INTERNAL *gz_strwinerror(DWORD error) { + static char buf[1024]; + + wchar_t *msgbuf; + DWORD lasterr = GetLastError(); + DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, + error, + 0, /* Default language */ + (LPVOID)&msgbuf, + 0, + NULL); + if (chars != 0) { + /* If there is an \r\n appended, zap it. */ + if (chars >= 2 + && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { + chars -= 2; + msgbuf[chars] = 0; + } + + if (chars > sizeof (buf) - 1) { + chars = sizeof (buf) - 1; + msgbuf[chars] = 0; + } + + wcstombs(buf, msgbuf, chars + 1); + LocalFree(msgbuf); + } + else { + sprintf(buf, "unknown win32 error (%ld)", error); + } + + SetLastError(lasterr); + return buf; +} + +#endif /* UNDER_CE */ + +/* Reset gzip file state */ +local void gz_reset(gz_statep state) { + state->x.have = 0; /* no output data available */ + if (state->mode == GZ_READ) { /* for reading ... */ + state->eof = 0; /* not at end of file */ + state->past = 0; /* have not read past end yet */ + state->how = LOOK; /* look for gzip header */ + } + else /* for writing ... */ + state->reset = 0; /* no deflateReset pending */ + state->seek = 0; /* no seek request pending */ + gz_error(state, Z_OK, NULL); /* clear error */ + state->x.pos = 0; /* no uncompressed data yet */ + state->strm.avail_in = 0; /* no input data yet */ +} + +/* Open a gzip file either by name or file descriptor. */ +local gzFile gz_open(const void *path, int fd, const char *mode) { + gz_statep state; + z_size_t len; + int oflag; +#ifdef O_CLOEXEC + int cloexec = 0; +#endif +#ifdef O_EXCL + int exclusive = 0; +#endif + + /* check input */ + if (path == NULL) + return NULL; + + /* allocate gzFile structure to return */ + state = (gz_statep)malloc(sizeof(gz_state)); + if (state == NULL) + return NULL; + state->size = 0; /* no buffers allocated yet */ + state->want = GZBUFSIZE; /* requested buffer size */ + state->msg = NULL; /* no error message yet */ + + /* interpret mode */ + state->mode = GZ_NONE; + state->level = Z_DEFAULT_COMPRESSION; + state->strategy = Z_DEFAULT_STRATEGY; + state->direct = 0; + while (*mode) { + if (*mode >= '0' && *mode <= '9') + state->level = *mode - '0'; + else + switch (*mode) { + case 'r': + state->mode = GZ_READ; + break; +#ifndef NO_GZCOMPRESS + case 'w': + state->mode = GZ_WRITE; + break; + case 'a': + state->mode = GZ_APPEND; + break; +#endif + case '+': /* can't read and write at the same time */ + free(state); + return NULL; + case 'b': /* ignore -- will request binary anyway */ + break; +#ifdef O_CLOEXEC + case 'e': + cloexec = 1; + break; +#endif +#ifdef O_EXCL + case 'x': + exclusive = 1; + break; +#endif + case 'f': + state->strategy = Z_FILTERED; + break; + case 'h': + state->strategy = Z_HUFFMAN_ONLY; + break; + case 'R': + state->strategy = Z_RLE; + break; + case 'F': + state->strategy = Z_FIXED; + break; + case 'T': + state->direct = 1; + break; + default: /* could consider as an error, but just ignore */ + ; + } + mode++; + } + + /* must provide an "r", "w", or "a" */ + if (state->mode == GZ_NONE) { + free(state); + return NULL; + } + + /* can't force transparent read */ + if (state->mode == GZ_READ) { + if (state->direct) { + free(state); + return NULL; + } + state->direct = 1; /* for empty file */ + } + + /* save the path name for error messages */ +#ifdef WIDECHAR + if (fd == -2) { + len = wcstombs(NULL, path, 0); + if (len == (z_size_t)-1) + len = 0; + } + else +#endif + len = strlen((const char *)path); + state->path = (char *)malloc(len + 1); + if (state->path == NULL) { + free(state); + return NULL; + } +#ifdef WIDECHAR + if (fd == -2) + if (len) + wcstombs(state->path, path, len + 1); + else + *(state->path) = 0; + else +#endif +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(state->path, len + 1, "%s", (const char *)path); +#else + strcpy(state->path, path); +#endif + + /* compute the flags for open() */ + oflag = +#ifdef O_LARGEFILE + O_LARGEFILE | +#endif +#ifdef O_BINARY + O_BINARY | +#endif +#ifdef O_CLOEXEC + (cloexec ? O_CLOEXEC : 0) | +#endif + (state->mode == GZ_READ ? + O_RDONLY : + (O_WRONLY | O_CREAT | +#ifdef O_EXCL + (exclusive ? O_EXCL : 0) | +#endif + (state->mode == GZ_WRITE ? + O_TRUNC : + O_APPEND))); + + /* open the file with the appropriate flags (or just use fd) */ + state->fd = fd > -1 ? fd : ( +#ifdef WIDECHAR + fd == -2 ? _wopen(path, oflag, 0666) : +#endif + open((const char *)path, oflag, 0666)); + if (state->fd == -1) { + free(state->path); + free(state); + return NULL; + } + if (state->mode == GZ_APPEND) { + LSEEK(state->fd, 0, SEEK_END); /* so gzoffset() is correct */ + state->mode = GZ_WRITE; /* simplify later checks */ + } + + /* save the current position for rewinding (only if reading) */ + if (state->mode == GZ_READ) { + state->start = LSEEK(state->fd, 0, SEEK_CUR); + if (state->start == -1) state->start = 0; + } + + /* initialize stream */ + gz_reset(state); + + /* return stream */ + return (gzFile)state; +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzopen(const char *path, const char *mode) { + return gz_open(path, -1, mode); +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzopen64(const char *path, const char *mode) { + return gz_open(path, -1, mode); +} + +/* -- see zlib.h -- */ +gzFile ZEXPORT gzdopen(int fd, const char *mode) { + char *path; /* identifier for error messages */ + gzFile gz; + + if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL) + return NULL; +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd); +#else + sprintf(path, "<fd:%d>", fd); /* for debugging */ +#endif + gz = gz_open(path, fd, mode); + free(path); + return gz; +} + +/* -- see zlib.h -- */ +#ifdef WIDECHAR +gzFile ZEXPORT gzopen_w(const wchar_t *path, const char *mode) { + return gz_open(path, -2, mode); +} +#endif + +/* -- see zlib.h -- */ +int ZEXPORT gzbuffer(gzFile file, unsigned size) { + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* make sure we haven't already allocated memory */ + if (state->size != 0) + return -1; + + /* check and set requested size */ + if ((size << 1) < size) + return -1; /* need to be able to double it */ + if (size < 8) + size = 8; /* needed to behave well with flushing */ + state->want = size; + return 0; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzrewind(gzFile file) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* back up and start over */ + if (LSEEK(state->fd, state->start, SEEK_SET) == -1) + return -1; + gz_reset(state); + return 0; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gzseek64(gzFile file, z_off64_t offset, int whence) { + unsigned n; + z_off64_t ret; + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* check that there's no error */ + if (state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + + /* can only seek from start or relative to current position */ + if (whence != SEEK_SET && whence != SEEK_CUR) + return -1; + + /* normalize offset to a SEEK_CUR specification */ + if (whence == SEEK_SET) + offset -= state->x.pos; + else if (state->seek) + offset += state->skip; + state->seek = 0; + + /* if within raw area while reading, just go there */ + if (state->mode == GZ_READ && state->how == COPY && + state->x.pos + offset >= 0) { + ret = LSEEK(state->fd, offset - (z_off64_t)state->x.have, SEEK_CUR); + if (ret == -1) + return -1; + state->x.have = 0; + state->eof = 0; + state->past = 0; + state->seek = 0; + gz_error(state, Z_OK, NULL); + state->strm.avail_in = 0; + state->x.pos += offset; + return state->x.pos; + } + + /* calculate skip amount, rewinding if needed for back seek when reading */ + if (offset < 0) { + if (state->mode != GZ_READ) /* writing -- can't go backwards */ + return -1; + offset += state->x.pos; + if (offset < 0) /* before start of file! */ + return -1; + if (gzrewind(file) == -1) /* rewind, then skip to offset */ + return -1; + } + + /* if reading, skip what's in output buffer (one less gzgetc() check) */ + if (state->mode == GZ_READ) { + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > offset ? + (unsigned)offset : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + offset -= n; + } + + /* request skip (if not zero) */ + if (offset) { + state->seek = 1; + state->skip = offset; + } + return state->x.pos + offset; +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gzseek(gzFile file, z_off_t offset, int whence) { + z_off64_t ret; + + ret = gzseek64(file, (z_off64_t)offset, whence); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gztell64(gzFile file) { + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* return position */ + return state->x.pos + (state->seek ? state->skip : 0); +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gztell(gzFile file) { + z_off64_t ret; + + ret = gztell64(file); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +z_off64_t ZEXPORT gzoffset64(gzFile file) { + z_off64_t offset; + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return -1; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return -1; + + /* compute and return effective offset in file */ + offset = LSEEK(state->fd, 0, SEEK_CUR); + if (offset == -1) + return -1; + if (state->mode == GZ_READ) /* reading */ + offset -= state->strm.avail_in; /* don't count buffered input */ + return offset; +} + +/* -- see zlib.h -- */ +z_off_t ZEXPORT gzoffset(gzFile file) { + z_off64_t ret; + + ret = gzoffset64(file); + return ret == (z_off_t)ret ? (z_off_t)ret : -1; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzeof(gzFile file) { + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return 0; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return 0; + + /* return end-of-file state */ + return state->mode == GZ_READ ? state->past : 0; +} + +/* -- see zlib.h -- */ +const char * ZEXPORT gzerror(gzFile file, int *errnum) { + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return NULL; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return NULL; + + /* return error information */ + if (errnum != NULL) + *errnum = state->err; + return state->err == Z_MEM_ERROR ? "out of memory" : + (state->msg == NULL ? "" : state->msg); +} + +/* -- see zlib.h -- */ +void ZEXPORT gzclearerr(gzFile file) { + gz_statep state; + + /* get internal structure and check integrity */ + if (file == NULL) + return; + state = (gz_statep)file; + if (state->mode != GZ_READ && state->mode != GZ_WRITE) + return; + + /* clear error and end-of-file */ + if (state->mode == GZ_READ) { + state->eof = 0; + state->past = 0; + } + gz_error(state, Z_OK, NULL); +} + +/* Create an error message in allocated memory and set state->err and + state->msg accordingly. Free any previous error message already there. Do + not try to free or allocate space if the error is Z_MEM_ERROR (out of + memory). Simply save the error message as a static string. If there is an + allocation failure constructing the error message, then convert the error to + out of memory. */ +void ZLIB_INTERNAL gz_error(gz_statep state, int err, const char *msg) { + /* free previously allocated message and clear */ + if (state->msg != NULL) { + if (state->err != Z_MEM_ERROR) + free(state->msg); + state->msg = NULL; + } + + /* if fatal, set state->x.have to 0 so that the gzgetc() macro fails */ + if (err != Z_OK && err != Z_BUF_ERROR) + state->x.have = 0; + + /* set error code, and if no message, then done */ + state->err = err; + if (msg == NULL) + return; + + /* for an out of memory error, return literal string when requested */ + if (err == Z_MEM_ERROR) + return; + + /* construct error message with path */ + if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) == + NULL) { + state->err = Z_MEM_ERROR; + return; + } +#if !defined(NO_snprintf) && !defined(NO_vsnprintf) + (void)snprintf(state->msg, strlen(state->path) + strlen(msg) + 3, + "%s%s%s", state->path, ": ", msg); +#else + strcpy(state->msg, state->path); + strcat(state->msg, ": "); + strcat(state->msg, msg); +#endif +} + +#ifndef INT_MAX +/* portably return maximum value for an int (when limits.h presumed not + available) -- we need to do this to cover cases where 2's complement not + used, since C standard permits 1's complement and sign-bit representations, + otherwise we could just use ((unsigned)-1) >> 1 */ +unsigned ZLIB_INTERNAL gz_intmax(void) { + unsigned p, q; + + p = 1; + do { + q = p; + p <<= 1; + p++; + } while (p > q); + return q >> 1; +} +#endif diff --git a/lib/zlib/gzread.c b/lib/zlib/gzread.c new file mode 100644 index 0000000..4168cbc --- /dev/null +++ b/lib/zlib/gzread.c @@ -0,0 +1,602 @@ +/* gzread.c -- zlib functions for reading gzip files + * Copyright (C) 2004-2017 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from + state->fd, and update state->eof, state->err, and state->msg as appropriate. + This function needs to loop on read(), since read() is not guaranteed to + read the number of bytes requested, depending on the type of descriptor. */ +local int gz_load(gz_statep state, unsigned char *buf, unsigned len, + unsigned *have) { + int ret; + unsigned get, max = ((unsigned)-1 >> 2) + 1; + + *have = 0; + do { + get = len - *have; + if (get > max) + get = max; + ret = read(state->fd, buf + *have, get); + if (ret <= 0) + break; + *have += (unsigned)ret; + } while (*have < len); + if (ret < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + if (ret == 0) + state->eof = 1; + return 0; +} + +/* Load up input buffer and set eof flag if last data loaded -- return -1 on + error, 0 otherwise. Note that the eof flag is set when the end of the input + file is reached, even though there may be unused data in the buffer. Once + that data has been used, no more attempts will be made to read the file. + If strm->avail_in != 0, then the current data is moved to the beginning of + the input buffer, and then the remainder of the buffer is loaded with the + available data from the input file. */ +local int gz_avail(gz_statep state) { + unsigned got; + z_streamp strm = &(state->strm); + + if (state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + if (state->eof == 0) { + if (strm->avail_in) { /* copy what's there to the start */ + unsigned char *p = state->in; + unsigned const char *q = strm->next_in; + unsigned n = strm->avail_in; + do { + *p++ = *q++; + } while (--n); + } + if (gz_load(state, state->in + strm->avail_in, + state->size - strm->avail_in, &got) == -1) + return -1; + strm->avail_in += got; + strm->next_in = state->in; + } + return 0; +} + +/* Look for gzip header, set up for inflate or copy. state->x.have must be 0. + If this is the first time in, allocate required memory. state->how will be + left unchanged if there is no more input data available, will be set to COPY + if there is no gzip header and direct copying will be performed, or it will + be set to GZIP for decompression. If direct copying, then leftover input + data from the input buffer will be copied to the output buffer. In that + case, all further file reads will be directly to either the output buffer or + a user buffer. If decompressing, the inflate state will be initialized. + gz_look() will return 0 on success or -1 on failure. */ +local int gz_look(gz_statep state) { + z_streamp strm = &(state->strm); + + /* allocate read buffers and inflate memory */ + if (state->size == 0) { + /* allocate buffers */ + state->in = (unsigned char *)malloc(state->want); + state->out = (unsigned char *)malloc(state->want << 1); + if (state->in == NULL || state->out == NULL) { + free(state->out); + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + state->size = state->want; + + /* allocate inflate memory */ + state->strm.zalloc = Z_NULL; + state->strm.zfree = Z_NULL; + state->strm.opaque = Z_NULL; + state->strm.avail_in = 0; + state->strm.next_in = Z_NULL; + if (inflateInit2(&(state->strm), 15 + 16) != Z_OK) { /* gunzip */ + free(state->out); + free(state->in); + state->size = 0; + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + } + + /* get at least the magic bytes in the input buffer */ + if (strm->avail_in < 2) { + if (gz_avail(state) == -1) + return -1; + if (strm->avail_in == 0) + return 0; + } + + /* look for gzip magic bytes -- if there, do gzip decoding (note: there is + a logical dilemma here when considering the case of a partially written + gzip file, to wit, if a single 31 byte is written, then we cannot tell + whether this is a single-byte file, or just a partially written gzip + file -- for here we assume that if a gzip file is being written, then + the header will be written in a single operation, so that reading a + single byte is sufficient indication that it is not a gzip file) */ + if (strm->avail_in > 1 && + strm->next_in[0] == 31 && strm->next_in[1] == 139) { + inflateReset(strm); + state->how = GZIP; + state->direct = 0; + return 0; + } + + /* no gzip header -- if we were decoding gzip before, then this is trailing + garbage. Ignore the trailing garbage and finish. */ + if (state->direct == 0) { + strm->avail_in = 0; + state->eof = 1; + state->x.have = 0; + return 0; + } + + /* doing raw i/o, copy any leftover input to output -- this assumes that + the output buffer is larger than the input buffer, which also assures + space for gzungetc() */ + state->x.next = state->out; + memcpy(state->x.next, strm->next_in, strm->avail_in); + state->x.have = strm->avail_in; + strm->avail_in = 0; + state->how = COPY; + state->direct = 1; + return 0; +} + +/* Decompress from input to the provided next_out and avail_out in the state. + On return, state->x.have and state->x.next point to the just decompressed + data. If the gzip stream completes, state->how is reset to LOOK to look for + the next gzip stream or raw data, once state->x.have is depleted. Returns 0 + on success, -1 on failure. */ +local int gz_decomp(gz_statep state) { + int ret = Z_OK; + unsigned had; + z_streamp strm = &(state->strm); + + /* fill output buffer up to end of deflate stream */ + had = strm->avail_out; + do { + /* get more input for inflate() */ + if (strm->avail_in == 0 && gz_avail(state) == -1) + return -1; + if (strm->avail_in == 0) { + gz_error(state, Z_BUF_ERROR, "unexpected end of file"); + break; + } + + /* decompress and handle errors */ + ret = inflate(strm, Z_NO_FLUSH); + if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) { + gz_error(state, Z_STREAM_ERROR, + "internal error: inflate stream corrupt"); + return -1; + } + if (ret == Z_MEM_ERROR) { + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + if (ret == Z_DATA_ERROR) { /* deflate stream invalid */ + gz_error(state, Z_DATA_ERROR, + strm->msg == NULL ? "compressed data error" : strm->msg); + return -1; + } + } while (strm->avail_out && ret != Z_STREAM_END); + + /* update available output */ + state->x.have = had - strm->avail_out; + state->x.next = strm->next_out - state->x.have; + + /* if the gzip stream completed successfully, look for another */ + if (ret == Z_STREAM_END) + state->how = LOOK; + + /* good decompression */ + return 0; +} + +/* Fetch data and put it in the output buffer. Assumes state->x.have is 0. + Data is either copied from the input file or decompressed from the input + file depending on state->how. If state->how is LOOK, then a gzip header is + looked for to determine whether to copy or decompress. Returns -1 on error, + otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the + end of the input file has been reached and all data has been processed. */ +local int gz_fetch(gz_statep state) { + z_streamp strm = &(state->strm); + + do { + switch(state->how) { + case LOOK: /* -> LOOK, COPY (only if never GZIP), or GZIP */ + if (gz_look(state) == -1) + return -1; + if (state->how == LOOK) + return 0; + break; + case COPY: /* -> COPY */ + if (gz_load(state, state->out, state->size << 1, &(state->x.have)) + == -1) + return -1; + state->x.next = state->out; + return 0; + case GZIP: /* -> GZIP or LOOK (if end of gzip stream) */ + strm->avail_out = state->size << 1; + strm->next_out = state->out; + if (gz_decomp(state) == -1) + return -1; + } + } while (state->x.have == 0 && (!state->eof || strm->avail_in)); + return 0; +} + +/* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */ +local int gz_skip(gz_statep state, z_off64_t len) { + unsigned n; + + /* skip over len bytes or reach end-of-file, whichever comes first */ + while (len) + /* skip over whatever is in output buffer */ + if (state->x.have) { + n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ? + (unsigned)len : state->x.have; + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + len -= n; + } + + /* output buffer empty -- return if we're at the end of the input */ + else if (state->eof && state->strm.avail_in == 0) + break; + + /* need more data to skip -- load up output buffer */ + else { + /* get more output, looking for header if required */ + if (gz_fetch(state) == -1) + return -1; + } + return 0; +} + +/* Read len bytes into buf from file, or less than len up to the end of the + input. Return the number of bytes read. If zero is returned, either the + end of file was reached, or there was an error. state->err must be + consulted in that case to determine which. */ +local z_size_t gz_read(gz_statep state, voidp buf, z_size_t len) { + z_size_t got; + unsigned n; + + /* if len is zero, avoid unnecessary operations */ + if (len == 0) + return 0; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return 0; + } + + /* get len bytes to buf, or less than len if at the end */ + got = 0; + do { + /* set n to the maximum amount of len that fits in an unsigned int */ + n = (unsigned)-1; + if (n > len) + n = (unsigned)len; + + /* first just try copying data from the output buffer */ + if (state->x.have) { + if (state->x.have < n) + n = state->x.have; + memcpy(buf, state->x.next, n); + state->x.next += n; + state->x.have -= n; + } + + /* output buffer empty -- return if we're at the end of the input */ + else if (state->eof && state->strm.avail_in == 0) { + state->past = 1; /* tried to read past end */ + break; + } + + /* need output data -- for small len or new stream load up our output + buffer */ + else if (state->how == LOOK || n < (state->size << 1)) { + /* get more output, looking for header if required */ + if (gz_fetch(state) == -1) + return 0; + continue; /* no progress yet -- go back to copy above */ + /* the copy above assures that we will leave with space in the + output buffer, allowing at least one gzungetc() to succeed */ + } + + /* large len -- read directly into user buffer */ + else if (state->how == COPY) { /* read directly */ + if (gz_load(state, (unsigned char *)buf, n, &n) == -1) + return 0; + } + + /* large len -- decompress directly into user buffer */ + else { /* state->how == GZIP */ + state->strm.avail_out = n; + state->strm.next_out = (unsigned char *)buf; + if (gz_decomp(state) == -1) + return 0; + n = state->x.have; + state->x.have = 0; + } + + /* update progress */ + len -= n; + buf = (char *)buf + n; + got += n; + state->x.pos += n; + } while (len); + + /* return number of bytes read into user buffer */ + return got; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzread(gzFile file, voidp buf, unsigned len) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* since an int is returned, make sure len fits in one, otherwise return + with an error (this avoids a flaw in the interface) */ + if ((int)len < 0) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in an int"); + return -1; + } + + /* read len or fewer bytes to buf */ + len = (unsigned)gz_read(state, buf, len); + + /* check for an error */ + if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR) + return -1; + + /* return the number of bytes read (this is assured to fit in an int) */ + return (int)len; +} + +/* -- see zlib.h -- */ +z_size_t ZEXPORT gzfread(voidp buf, z_size_t size, z_size_t nitems, gzFile file) { + z_size_t len; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return 0; + + /* compute bytes to read -- error on overflow */ + len = nitems * size; + if (size && len / size != nitems) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); + return 0; + } + + /* read len or fewer bytes to buf, return the number of full items read */ + return len ? gz_read(state, buf, len) / size : 0; +} + +/* -- see zlib.h -- */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +#else +# undef gzgetc +#endif +int ZEXPORT gzgetc(gzFile file) { + unsigned char buf[1]; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* try output buffer (no need to check for skip request) */ + if (state->x.have) { + state->x.have--; + state->x.pos++; + return *(state->x.next)++; + } + + /* nothing there -- try gz_read() */ + return gz_read(state, buf, 1) < 1 ? -1 : buf[0]; +} + +int ZEXPORT gzgetc_(gzFile file) { + return gzgetc(file); +} + +/* -- see zlib.h -- */ +int ZEXPORT gzungetc(int c, gzFile file) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* in case this was just opened, set up the input buffer */ + if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0) + (void)gz_look(state); + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return -1; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return -1; + } + + /* can't push EOF */ + if (c < 0) + return -1; + + /* if output buffer empty, put byte at end (allows more pushing) */ + if (state->x.have == 0) { + state->x.have = 1; + state->x.next = state->out + (state->size << 1) - 1; + state->x.next[0] = (unsigned char)c; + state->x.pos--; + state->past = 0; + return c; + } + + /* if no room, give up (must have already done a gzungetc()) */ + if (state->x.have == (state->size << 1)) { + gz_error(state, Z_DATA_ERROR, "out of room to push characters"); + return -1; + } + + /* slide output data if needed and insert byte before existing data */ + if (state->x.next == state->out) { + unsigned char *src = state->out + state->x.have; + unsigned char *dest = state->out + (state->size << 1); + while (src > state->out) + *--dest = *--src; + state->x.next = dest; + } + state->x.have++; + state->x.next--; + state->x.next[0] = (unsigned char)c; + state->x.pos--; + state->past = 0; + return c; +} + +/* -- see zlib.h -- */ +char * ZEXPORT gzgets(gzFile file, char *buf, int len) { + unsigned left, n; + char *str; + unsigned char *eol; + gz_statep state; + + /* check parameters and get internal structure */ + if (file == NULL || buf == NULL || len < 1) + return NULL; + state = (gz_statep)file; + + /* check that we're reading and that there's no (serious) error */ + if (state->mode != GZ_READ || + (state->err != Z_OK && state->err != Z_BUF_ERROR)) + return NULL; + + /* process a skip request */ + if (state->seek) { + state->seek = 0; + if (gz_skip(state, state->skip) == -1) + return NULL; + } + + /* copy output bytes up to new line or len - 1, whichever comes first -- + append a terminating zero to the string (we don't check for a zero in + the contents, let the user worry about that) */ + str = buf; + left = (unsigned)len - 1; + if (left) do { + /* assure that something is in the output buffer */ + if (state->x.have == 0 && gz_fetch(state) == -1) + return NULL; /* error */ + if (state->x.have == 0) { /* end of file */ + state->past = 1; /* read past end */ + break; /* return what we have */ + } + + /* look for end-of-line in current output buffer */ + n = state->x.have > left ? left : state->x.have; + eol = (unsigned char *)memchr(state->x.next, '\n', n); + if (eol != NULL) + n = (unsigned)(eol - state->x.next) + 1; + + /* copy through end-of-line, or remainder if not found */ + memcpy(buf, state->x.next, n); + state->x.have -= n; + state->x.next += n; + state->x.pos += n; + left -= n; + buf += n; + } while (left && eol == NULL); + + /* return terminated string, or if nothing, end of file */ + if (buf == str) + return NULL; + buf[0] = 0; + return str; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzdirect(gzFile file) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* if the state is not known, but we can find out, then do so (this is + mainly for right after a gzopen() or gzdopen()) */ + if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0) + (void)gz_look(state); + + /* return 1 if transparent, 0 if processing a gzip stream */ + return state->direct; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzclose_r(gzFile file) { + int ret, err; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're reading */ + if (state->mode != GZ_READ) + return Z_STREAM_ERROR; + + /* free memory and close file */ + if (state->size) { + inflateEnd(&(state->strm)); + free(state->out); + free(state->in); + } + err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK; + gz_error(state, Z_OK, NULL); + free(state->path); + ret = close(state->fd); + free(state); + return ret ? Z_ERRNO : err; +} diff --git a/lib/zlib/gzwrite.c b/lib/zlib/gzwrite.c new file mode 100644 index 0000000..435b462 --- /dev/null +++ b/lib/zlib/gzwrite.c @@ -0,0 +1,631 @@ +/* gzwrite.c -- zlib functions for writing gzip files + * Copyright (C) 2004-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "gzguts.h" + +/* Initialize state for writing a gzip file. Mark initialization by setting + state->size to non-zero. Return -1 on a memory allocation failure, or 0 on + success. */ +local int gz_init(gz_statep state) { + int ret; + z_streamp strm = &(state->strm); + + /* allocate input buffer (double size for gzprintf) */ + state->in = (unsigned char *)malloc(state->want << 1); + if (state->in == NULL) { + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + + /* only need output buffer and deflate state if compressing */ + if (!state->direct) { + /* allocate output buffer */ + state->out = (unsigned char *)malloc(state->want); + if (state->out == NULL) { + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + + /* allocate deflate memory, set up for gzip compression */ + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; + strm->opaque = Z_NULL; + ret = deflateInit2(strm, state->level, Z_DEFLATED, + MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy); + if (ret != Z_OK) { + free(state->out); + free(state->in); + gz_error(state, Z_MEM_ERROR, "out of memory"); + return -1; + } + strm->next_in = NULL; + } + + /* mark state as initialized */ + state->size = state->want; + + /* initialize write buffer if compressing */ + if (!state->direct) { + strm->avail_out = state->size; + strm->next_out = state->out; + state->x.next = strm->next_out; + } + return 0; +} + +/* Compress whatever is at avail_in and next_in and write to the output file. + Return -1 if there is an error writing to the output file or if gz_init() + fails to allocate memory, otherwise 0. flush is assumed to be a valid + deflate() flush value. If flush is Z_FINISH, then the deflate() state is + reset to start a new gzip stream. If gz->direct is true, then simply write + to the output file without compressing, and ignore flush. */ +local int gz_comp(gz_statep state, int flush) { + int ret, writ; + unsigned have, put, max = ((unsigned)-1 >> 2) + 1; + z_streamp strm = &(state->strm); + + /* allocate memory if this is the first time through */ + if (state->size == 0 && gz_init(state) == -1) + return -1; + + /* write directly if requested */ + if (state->direct) { + while (strm->avail_in) { + put = strm->avail_in > max ? max : strm->avail_in; + writ = write(state->fd, strm->next_in, put); + if (writ < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + strm->avail_in -= (unsigned)writ; + strm->next_in += writ; + } + return 0; + } + + /* check for a pending reset */ + if (state->reset) { + /* don't start a new gzip member unless there is data to write */ + if (strm->avail_in == 0) + return 0; + deflateReset(strm); + state->reset = 0; + } + + /* run deflate() on provided input until it produces no more output */ + ret = Z_OK; + do { + /* write out current buffer contents if full, or if flushing, but if + doing Z_FINISH then don't write until we get to Z_STREAM_END */ + if (strm->avail_out == 0 || (flush != Z_NO_FLUSH && + (flush != Z_FINISH || ret == Z_STREAM_END))) { + while (strm->next_out > state->x.next) { + put = strm->next_out - state->x.next > (int)max ? max : + (unsigned)(strm->next_out - state->x.next); + writ = write(state->fd, state->x.next, put); + if (writ < 0) { + gz_error(state, Z_ERRNO, zstrerror()); + return -1; + } + state->x.next += writ; + } + if (strm->avail_out == 0) { + strm->avail_out = state->size; + strm->next_out = state->out; + state->x.next = state->out; + } + } + + /* compress */ + have = strm->avail_out; + ret = deflate(strm, flush); + if (ret == Z_STREAM_ERROR) { + gz_error(state, Z_STREAM_ERROR, + "internal error: deflate stream corrupt"); + return -1; + } + have -= strm->avail_out; + } while (have); + + /* if that completed a deflate stream, allow another to start */ + if (flush == Z_FINISH) + state->reset = 1; + + /* all done, no errors */ + return 0; +} + +/* Compress len zeros to output. Return -1 on a write error or memory + allocation failure by gz_comp(), or 0 on success. */ +local int gz_zero(gz_statep state, z_off64_t len) { + int first; + unsigned n; + z_streamp strm = &(state->strm); + + /* consume whatever's left in the input buffer */ + if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1) + return -1; + + /* compress len zeros (len guaranteed > 0) */ + first = 1; + while (len) { + n = GT_OFF(state->size) || (z_off64_t)state->size > len ? + (unsigned)len : state->size; + if (first) { + memset(state->in, 0, n); + first = 0; + } + strm->avail_in = n; + strm->next_in = state->in; + state->x.pos += n; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return -1; + len -= n; + } + return 0; +} + +/* Write len bytes from buf to file. Return the number of bytes written. If + the returned value is less than len, then there was an error. */ +local z_size_t gz_write(gz_statep state, voidpc buf, z_size_t len) { + z_size_t put = len; + + /* if len is zero, avoid unnecessary operations */ + if (len == 0) + return 0; + + /* allocate memory if this is the first time through */ + if (state->size == 0 && gz_init(state) == -1) + return 0; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return 0; + } + + /* for small len, copy to input buffer, otherwise compress directly */ + if (len < state->size) { + /* copy to input buffer, compress when full */ + do { + unsigned have, copy; + + if (state->strm.avail_in == 0) + state->strm.next_in = state->in; + have = (unsigned)((state->strm.next_in + state->strm.avail_in) - + state->in); + copy = state->size - have; + if (copy > len) + copy = (unsigned)len; + memcpy(state->in + have, buf, copy); + state->strm.avail_in += copy; + state->x.pos += copy; + buf = (const char *)buf + copy; + len -= copy; + if (len && gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + } while (len); + } + else { + /* consume whatever's left in the input buffer */ + if (state->strm.avail_in && gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + + /* directly compress user buffer to file */ + state->strm.next_in = (z_const Bytef *)buf; + do { + unsigned n = (unsigned)-1; + if (n > len) + n = (unsigned)len; + state->strm.avail_in = n; + state->x.pos += n; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return 0; + len -= n; + } while (len); + } + + /* input was all buffered or compressed */ + return put; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzwrite(gzFile file, voidpc buf, unsigned len) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return 0; + + /* since an int is returned, make sure len fits in one, otherwise return + with an error (this avoids a flaw in the interface) */ + if ((int)len < 0) { + gz_error(state, Z_DATA_ERROR, "requested length does not fit in int"); + return 0; + } + + /* write len bytes from buf (the return value will fit in an int) */ + return (int)gz_write(state, buf, len); +} + +/* -- see zlib.h -- */ +z_size_t ZEXPORT gzfwrite(voidpc buf, z_size_t size, z_size_t nitems, + gzFile file) { + z_size_t len; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return 0; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return 0; + + /* compute bytes to read -- error on overflow */ + len = nitems * size; + if (size && len / size != nitems) { + gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); + return 0; + } + + /* write len bytes to buf, return the number of full items written */ + return len ? gz_write(state, buf, len) / size : 0; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzputc(gzFile file, int c) { + unsigned have; + unsigned char buf[1]; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return -1; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return -1; + } + + /* try writing to input buffer for speed (state->size == 0 if buffer not + initialized) */ + if (state->size) { + if (strm->avail_in == 0) + strm->next_in = state->in; + have = (unsigned)((strm->next_in + strm->avail_in) - state->in); + if (have < state->size) { + state->in[have] = (unsigned char)c; + strm->avail_in++; + state->x.pos++; + return c & 0xff; + } + } + + /* no room in buffer or not initialized, use gz_write() */ + buf[0] = (unsigned char)c; + if (gz_write(state, buf, 1) != 1) + return -1; + return c & 0xff; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzputs(gzFile file, const char *s) { + z_size_t len, put; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return -1; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return -1; + + /* write string */ + len = strlen(s); + if ((int)len < 0 || (unsigned)len != len) { + gz_error(state, Z_STREAM_ERROR, "string length does not fit in int"); + return -1; + } + put = gz_write(state, s, len); + return put < len ? -1 : (int)len; +} + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +#include <stdarg.h> + +/* -- see zlib.h -- */ +int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va) { + int len; + unsigned left; + char *next; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* make sure we have some buffer space */ + if (state->size == 0 && gz_init(state) == -1) + return state->err; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* do the printf() into the input buffer, put length in len -- the input + buffer is double-sized just for this function, so there is guaranteed to + be state->size bytes available after the current contents */ + if (strm->avail_in == 0) + strm->next_in = state->in; + next = (char *)(state->in + (strm->next_in - state->in) + strm->avail_in); + next[state->size - 1] = 0; +#ifdef NO_vsnprintf +# ifdef HAS_vsprintf_void + (void)vsprintf(next, format, va); + for (len = 0; len < state->size; len++) + if (next[len] == 0) break; +# else + len = vsprintf(next, format, va); +# endif +#else +# ifdef HAS_vsnprintf_void + (void)vsnprintf(next, state->size, format, va); + len = strlen(next); +# else + len = vsnprintf(next, state->size, format, va); +# endif +#endif + + /* check that printf() results fit in buffer */ + if (len == 0 || (unsigned)len >= state->size || next[state->size - 1] != 0) + return 0; + + /* update buffer and position, compress first half if past that */ + strm->avail_in += (unsigned)len; + state->x.pos += len; + if (strm->avail_in >= state->size) { + left = strm->avail_in - state->size; + strm->avail_in = state->size; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return state->err; + memmove(state->in, state->in + state->size, left); + strm->next_in = state->in; + strm->avail_in = left; + } + return len; +} + +int ZEXPORTVA gzprintf(gzFile file, const char *format, ...) { + va_list va; + int ret; + + va_start(va, format); + ret = gzvprintf(file, format, va); + va_end(va); + return ret; +} + +#else /* !STDC && !Z_HAVE_STDARG_H */ + +/* -- see zlib.h -- */ +int ZEXPORTVA gzprintf(gzFile file, const char *format, int a1, int a2, int a3, + int a4, int a5, int a6, int a7, int a8, int a9, int a10, + int a11, int a12, int a13, int a14, int a15, int a16, + int a17, int a18, int a19, int a20) { + unsigned len, left; + char *next; + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that can really pass pointer in ints */ + if (sizeof(int) != sizeof(void *)) + return Z_STREAM_ERROR; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* make sure we have some buffer space */ + if (state->size == 0 && gz_init(state) == -1) + return state->error; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->error; + } + + /* do the printf() into the input buffer, put length in len -- the input + buffer is double-sized just for this function, so there is guaranteed to + be state->size bytes available after the current contents */ + if (strm->avail_in == 0) + strm->next_in = state->in; + next = (char *)(strm->next_in + strm->avail_in); + next[state->size - 1] = 0; +#ifdef NO_snprintf +# ifdef HAS_sprintf_void + sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, + a13, a14, a15, a16, a17, a18, a19, a20); + for (len = 0; len < size; len++) + if (next[len] == 0) + break; +# else + len = sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, + a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#else +# ifdef HAS_snprintf_void + snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, + a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + len = strlen(next); +# else + len = snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#endif + + /* check that printf() results fit in buffer */ + if (len == 0 || len >= state->size || next[state->size - 1] != 0) + return 0; + + /* update buffer and position, compress first half if past that */ + strm->avail_in += len; + state->x.pos += len; + if (strm->avail_in >= state->size) { + left = strm->avail_in - state->size; + strm->avail_in = state->size; + if (gz_comp(state, Z_NO_FLUSH) == -1) + return state->err; + memmove(state->in, state->in + state->size, left); + strm->next_in = state->in; + strm->avail_in = left; + } + return (int)len; +} + +#endif + +/* -- see zlib.h -- */ +int ZEXPORT gzflush(gzFile file, int flush) { + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK) + return Z_STREAM_ERROR; + + /* check flush parameter */ + if (flush < 0 || flush > Z_FINISH) + return Z_STREAM_ERROR; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* compress remaining data with requested flush */ + (void)gz_comp(state, flush); + return state->err; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzsetparams(gzFile file, int level, int strategy) { + gz_statep state; + z_streamp strm; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + strm = &(state->strm); + + /* check that we're writing and that there's no error */ + if (state->mode != GZ_WRITE || state->err != Z_OK || state->direct) + return Z_STREAM_ERROR; + + /* if no change is requested, then do nothing */ + if (level == state->level && strategy == state->strategy) + return Z_OK; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + return state->err; + } + + /* change compression parameters for subsequent input */ + if (state->size) { + /* flush previous input with previous parameters before changing */ + if (strm->avail_in && gz_comp(state, Z_BLOCK) == -1) + return state->err; + deflateParams(strm, level, strategy); + } + state->level = level; + state->strategy = strategy; + return Z_OK; +} + +/* -- see zlib.h -- */ +int ZEXPORT gzclose_w(gzFile file) { + int ret = Z_OK; + gz_statep state; + + /* get internal structure */ + if (file == NULL) + return Z_STREAM_ERROR; + state = (gz_statep)file; + + /* check that we're writing */ + if (state->mode != GZ_WRITE) + return Z_STREAM_ERROR; + + /* check for seek request */ + if (state->seek) { + state->seek = 0; + if (gz_zero(state, state->skip) == -1) + ret = state->err; + } + + /* flush, free memory, and close file */ + if (gz_comp(state, Z_FINISH) == -1) + ret = state->err; + if (state->size) { + if (!state->direct) { + (void)deflateEnd(&(state->strm)); + free(state->out); + } + free(state->in); + } + gz_error(state, Z_OK, NULL); + free(state->path); + if (close(state->fd) == -1) + ret = Z_ERRNO; + free(state); + return ret; +} diff --git a/lib/zlib/infback.c b/lib/zlib/infback.c new file mode 100644 index 0000000..c68ef76 --- /dev/null +++ b/lib/zlib/infback.c @@ -0,0 +1,628 @@ +/* infback.c -- inflate using a call-back interface + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + This code is largely copied from inflate.c. Normally either infback.o or + inflate.o would be linked into an application--not both. The interface + with inffast.c is retained so that optimized assembler-coded versions of + inflate_fast() can be used with either inflate.c or infback.c. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +/* + strm provides memory allocation functions in zalloc and zfree, or + Z_NULL to use the library memory allocation functions. + + windowBits is in the range 8..15, and window is a user-supplied + window and output buffer that is 2**windowBits bytes. + */ +int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits, + unsigned char FAR *window, const char *version, + int stream_size) { + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL || window == Z_NULL || + windowBits < 8 || windowBits > 15) + return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + state = (struct inflate_state FAR *)ZALLOC(strm, 1, + sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + state->dmax = 32768U; + state->wbits = (uInt)windowBits; + state->wsize = 1U << windowBits; + state->window = window; + state->wnext = 0; + state->whave = 0; + state->sane = 1; + return Z_OK; +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(struct inflate_state FAR *state) { +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +/* Macros for inflateBack(): */ + +/* Load returned state from inflate_fast() */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Set state from registers for inflate_fast() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Assure that some input is available. If input is requested, but denied, + then return a Z_BUF_ERROR from inflateBack(). */ +#define PULL() \ + do { \ + if (have == 0) { \ + have = in(in_desc, &next); \ + if (have == 0) { \ + next = Z_NULL; \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflateBack() + with an error if there is no input available. */ +#define PULLBYTE() \ + do { \ + PULL(); \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflateBack() with + an error. */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* Assure that some output space is available, by writing out the window + if it's full. If the write fails, return from inflateBack() with a + Z_BUF_ERROR. */ +#define ROOM() \ + do { \ + if (left == 0) { \ + put = state->window; \ + left = state->wsize; \ + state->whave = left; \ + if (out(out_desc, put, left)) { \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* + strm provides the memory allocation functions and window buffer on input, + and provides information on the unused input on return. For Z_DATA_ERROR + returns, strm will also provide an error message. + + in() and out() are the call-back input and output functions. When + inflateBack() needs more input, it calls in(). When inflateBack() has + filled the window with output, or when it completes with data in the + window, it calls out() to write out the data. The application must not + change the provided input until in() is called again or inflateBack() + returns. The application must not change the window/output buffer until + inflateBack() returns. + + in() and out() are called with a descriptor parameter provided in the + inflateBack() call. This parameter can be a structure that provides the + information required to do the read or write, as well as accumulated + information on the input and output such as totals and check values. + + in() should return zero on failure. out() should return non-zero on + failure. If either in() or out() fails, than inflateBack() returns a + Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it + was in() or out() that caused in the error. Otherwise, inflateBack() + returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format + error, or Z_MEM_ERROR if it could not allocate memory for the state. + inflateBack() can also return Z_STREAM_ERROR if the input parameters + are not correct, i.e. strm is Z_NULL or the state was not initialized. + */ +int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc, + out_func out, void FAR *out_desc) { + struct inflate_state FAR *state; + z_const unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code here; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + /* Check that the strm exists and that the state was initialized */ + if (strm == Z_NULL || strm->state == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* Reset the state */ + strm->msg = Z_NULL; + state->mode = TYPE; + state->last = 0; + state->whave = 0; + next = strm->next_in; + have = next != Z_NULL ? strm->avail_in : 0; + hold = 0; + bits = 0; + put = state->window; + left = state->wsize; + + /* Inflate until end of block marked as last */ + for (;;) + switch (state->mode) { + case TYPE: + /* determine and dispatch block type */ + if (state->last) { + BYTEBITS(); + state->mode = DONE; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN; /* decode codes */ + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + + case STORED: + /* get and verify stored block length */ + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + + /* copy stored block from input to output */ + while (state->length != 0) { + copy = state->length; + PULL(); + ROOM(); + if (copy > have) copy = have; + if (copy > left) copy = left; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + + case TABLE: + /* get dynamic table entries descriptor */ + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + + /* get code length code lengths (not a typo) */ + state->have = 0; + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + + /* get length and distance code code lengths */ + state->have = 0; + while (state->have < state->nlen + state->ndist) { + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.val < 16) { + DROPBITS(here.bits); + state->lens[state->have++] = here.val; + } + else { + if (here.val == 16) { + NEEDBITS(here.bits + 2); + DROPBITS(here.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = (unsigned)(state->lens[state->have - 1]); + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (here.val == 17) { + NEEDBITS(here.bits + 3); + DROPBITS(here.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(here.bits + 7); + DROPBITS(here.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* check for end-of-block code (better have one) */ + if (state->lens[256] == 0) { + strm->msg = (char *)"invalid code -- missing end-of-block"; + state->mode = BAD; + break; + } + + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftrees.h + concerning the ENOUGH constants, which depend on those values */ + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (code const FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN; + ZFALLTHROUGH; + + case LEN: + /* use inflate_fast() if we have enough input and output */ + if (have >= 6 && left >= 258) { + RESTORE(); + if (state->whave < state->wsize) + state->whave = state->wsize - left; + inflate_fast(strm, state->wsize); + LOAD(); + break; + } + + /* get a literal, length, or end-of-block code */ + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.op && (here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + state->length = (unsigned)here.val; + + /* process literal */ + if (here.op == 0) { + Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here.val)); + ROOM(); + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + } + + /* process end of block */ + if (here.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + + /* invalid code */ + if (here.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + + /* length code -- get extra bits, if any */ + state->extra = (unsigned)(here.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + + /* get distance code */ + for (;;) { + here = state->distcode[BITS(state->distbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if ((here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(here.bits); + if (here.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)here.val; + + /* get distance extra bits, if any */ + state->extra = (unsigned)(here.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + } + if (state->offset > state->wsize - (state->whave < state->wsize ? + left : 0)) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + + /* copy match from window to output */ + do { + ROOM(); + copy = state->wsize - state->offset; + if (copy < left) { + from = put + copy; + copy = left - copy; + } + else { + from = put - state->offset; + copy = left; + } + if (copy > state->length) copy = state->length; + state->length -= copy; + left -= copy; + do { + *put++ = *from++; + } while (--copy); + } while (state->length != 0); + break; + + case DONE: + /* inflate stream terminated properly */ + ret = Z_STREAM_END; + goto inf_leave; + + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + + default: + /* can't happen, but makes compilers happy */ + ret = Z_STREAM_ERROR; + goto inf_leave; + } + + /* Write leftover output and return unused input */ + inf_leave: + if (left < state->wsize) { + if (out(out_desc, state->window, state->wsize - left) && + ret == Z_STREAM_END) + ret = Z_BUF_ERROR; + } + strm->next_in = next; + strm->avail_in = have; + return ret; +} + +int ZEXPORT inflateBackEnd(z_streamp strm) { + if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) + return Z_STREAM_ERROR; + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} diff --git a/lib/zlib/inffast.c b/lib/zlib/inffast.c new file mode 100644 index 0000000..9354676 --- /dev/null +++ b/lib/zlib/inffast.c @@ -0,0 +1,320 @@ +/* inffast.c -- fast decoding + * Copyright (C) 1995-2017 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifdef ASMINF +# pragma message("Assembler code may have bugs -- use at your own risk") +#else + +/* + Decode literal, length, and distance codes and write out the resulting + literal and match bytes until either not enough input or output is + available, an end-of-block is encountered, or a data error is encountered. + When large enough input and output buffers are supplied to inflate(), for + example, a 16K input buffer and a 64K output buffer, more than 95% of the + inflate execution time is spent in this routine. + + Entry assumptions: + + state->mode == LEN + strm->avail_in >= 6 + strm->avail_out >= 258 + start >= strm->avail_out + state->bits < 8 + + On return, state->mode is one of: + + LEN -- ran out of enough output space or enough available input + TYPE -- reached end of block code, inflate() to interpret next block + BAD -- error in block data + + Notes: + + - The maximum input bits used by a length/distance pair is 15 bits for the + length code, 5 bits for the length extra, 15 bits for the distance code, + and 13 bits for the distance extra. This totals 48 bits, or six bytes. + Therefore if strm->avail_in >= 6, then there is enough input to avoid + checking for available input while decoding. + + - The maximum bytes that a single length/distance pair can output is 258 + bytes, which is the maximum length that can be coded. inflate_fast() + requires strm->avail_out >= 258 for each loop to avoid checking for + output space. + */ +void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) { + struct inflate_state FAR *state; + z_const unsigned char FAR *in; /* local strm->next_in */ + z_const unsigned char FAR *last; /* have enough input while in < last */ + unsigned char FAR *out; /* local strm->next_out */ + unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ + unsigned char FAR *end; /* while out < end, enough space available */ +#ifdef INFLATE_STRICT + unsigned dmax; /* maximum distance from zlib header */ +#endif + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned wnext; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */ + unsigned long hold; /* local strm->hold */ + unsigned bits; /* local strm->bits */ + code const FAR *lcode; /* local strm->lencode */ + code const FAR *dcode; /* local strm->distcode */ + unsigned lmask; /* mask for first level of length codes */ + unsigned dmask; /* mask for first level of distance codes */ + code const *here; /* retrieved table entry */ + unsigned op; /* code bits, operation, extra bits, or */ + /* window position, window bytes to copy */ + unsigned len; /* match length, unused bytes */ + unsigned dist; /* match distance */ + unsigned char FAR *from; /* where to copy match from */ + + /* copy state to local variables */ + state = (struct inflate_state FAR *)strm->state; + in = strm->next_in; + last = in + (strm->avail_in - 5); + out = strm->next_out; + beg = out - (start - strm->avail_out); + end = out + (strm->avail_out - 257); +#ifdef INFLATE_STRICT + dmax = state->dmax; +#endif + wsize = state->wsize; + whave = state->whave; + wnext = state->wnext; + window = state->window; + hold = state->hold; + bits = state->bits; + lcode = state->lencode; + dcode = state->distcode; + lmask = (1U << state->lenbits) - 1; + dmask = (1U << state->distbits) - 1; + + /* decode literals and length/distances until end-of-block or not enough + input data or output space */ + do { + if (bits < 15) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + here = lcode + (hold & lmask); + dolen: + op = (unsigned)(here->bits); + hold >>= op; + bits -= op; + op = (unsigned)(here->op); + if (op == 0) { /* literal */ + Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here->val)); + *out++ = (unsigned char)(here->val); + } + else if (op & 16) { /* length base */ + len = (unsigned)(here->val); + op &= 15; /* number of extra bits */ + if (op) { + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + len += (unsigned)hold & ((1U << op) - 1); + hold >>= op; + bits -= op; + } + Tracevv((stderr, "inflate: length %u\n", len)); + if (bits < 15) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + here = dcode + (hold & dmask); + dodist: + op = (unsigned)(here->bits); + hold >>= op; + bits -= op; + op = (unsigned)(here->op); + if (op & 16) { /* distance base */ + dist = (unsigned)(here->val); + op &= 15; /* number of extra bits */ + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + if (bits < op) { + hold += (unsigned long)(*in++) << bits; + bits += 8; + } + } + dist += (unsigned)hold & ((1U << op) - 1); +#ifdef INFLATE_STRICT + if (dist > dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + hold >>= op; + bits -= op; + Tracevv((stderr, "inflate: distance %u\n", dist)); + op = (unsigned)(out - beg); /* max distance in output */ + if (dist > op) { /* see if copy from window */ + op = dist - op; /* distance back in window */ + if (op > whave) { + if (state->sane) { + strm->msg = + (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + if (len <= op - whave) { + do { + *out++ = 0; + } while (--len); + continue; + } + len -= op - whave; + do { + *out++ = 0; + } while (--op > whave); + if (op == 0) { + from = out - dist; + do { + *out++ = *from++; + } while (--len); + continue; + } +#endif + } + from = window; + if (wnext == 0) { /* very common case */ + from += wsize - op; + if (op < len) { /* some from window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + else if (wnext < op) { /* wrap around window */ + from += wsize + wnext - op; + op -= wnext; + if (op < len) { /* some from end of window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = window; + if (wnext < len) { /* some from start of window */ + op = wnext; + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + } + else { /* contiguous in window */ + from += wnext - op; + if (op < len) { /* some from window */ + len -= op; + do { + *out++ = *from++; + } while (--op); + from = out - dist; /* rest from output */ + } + } + while (len > 2) { + *out++ = *from++; + *out++ = *from++; + *out++ = *from++; + len -= 3; + } + if (len) { + *out++ = *from++; + if (len > 1) + *out++ = *from++; + } + } + else { + from = out - dist; /* copy direct from output */ + do { /* minimum length is three */ + *out++ = *from++; + *out++ = *from++; + *out++ = *from++; + len -= 3; + } while (len > 2); + if (len) { + *out++ = *from++; + if (len > 1) + *out++ = *from++; + } + } + } + else if ((op & 64) == 0) { /* 2nd level distance code */ + here = dcode + here->val + (hold & ((1U << op) - 1)); + goto dodist; + } + else { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + } + else if ((op & 64) == 0) { /* 2nd level length code */ + here = lcode + here->val + (hold & ((1U << op) - 1)); + goto dolen; + } + else if (op & 32) { /* end-of-block */ + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + else { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + } while (in < last && out < end); + + /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ + len = bits >> 3; + in -= len; + bits -= len << 3; + hold &= (1U << bits) - 1; + + /* update state and return */ + strm->next_in = in; + strm->next_out = out; + strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); + strm->avail_out = (unsigned)(out < end ? + 257 + (end - out) : 257 - (out - end)); + state->hold = hold; + state->bits = bits; + return; +} + +/* + inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe): + - Using bit fields for code structure + - Different op definition to avoid & for extra bits (do & for table bits) + - Three separate decoding do-loops for direct, window, and wnext == 0 + - Special case for distance > 1 copies to do overlapped load and store copy + - Explicit branch predictions (based on measured branch probabilities) + - Deferring match copy and interspersed it with decoding subsequent codes + - Swapping literal/length else + - Swapping window/direct else + - Larger unrolled copy loops (three is about right) + - Moving len -= 3 statement into middle of loop + */ + +#endif /* !ASMINF */ diff --git a/lib/zlib/inffast.h b/lib/zlib/inffast.h new file mode 100644 index 0000000..49c6d15 --- /dev/null +++ b/lib/zlib/inffast.h @@ -0,0 +1,11 @@ +/* inffast.h -- header to use inffast.c + * Copyright (C) 1995-2003, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start); diff --git a/lib/zlib/inffixed.h b/lib/zlib/inffixed.h new file mode 100644 index 0000000..d628327 --- /dev/null +++ b/lib/zlib/inffixed.h @@ -0,0 +1,94 @@ + /* inffixed.h -- table for decoding fixed codes + * Generated automatically by makefixed(). + */ + + /* WARNING: this file should *not* be used by applications. + It is part of the implementation of this library and is + subject to change. Applications should only use zlib.h. + */ + + static const code lenfix[512] = { + {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48}, + {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128}, + {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59}, + {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176}, + {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20}, + {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100}, + {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8}, + {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216}, + {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76}, + {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114}, + {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2}, + {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148}, + {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42}, + {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86}, + {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15}, + {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236}, + {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62}, + {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, + {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31}, + {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162}, + {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25}, + {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105}, + {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4}, + {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202}, + {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69}, + {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125}, + {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13}, + {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195}, + {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35}, + {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91}, + {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19}, + {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246}, + {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55}, + {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135}, + {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99}, + {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190}, + {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16}, + {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96}, + {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6}, + {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209}, + {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72}, + {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116}, + {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4}, + {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153}, + {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44}, + {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82}, + {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11}, + {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, + {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58}, + {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138}, + {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51}, + {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173}, + {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30}, + {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110}, + {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0}, + {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195}, + {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65}, + {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121}, + {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9}, + {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258}, + {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37}, + {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93}, + {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23}, + {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251}, + {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51}, + {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, + {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67}, + {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183}, + {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23}, + {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103}, + {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9}, + {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223}, + {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79}, + {0,9,255} + }; + + static const code distfix[32] = { + {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025}, + {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193}, + {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385}, + {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577}, + {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073}, + {22,5,193},{64,5,0} + }; diff --git a/lib/zlib/inflate.c b/lib/zlib/inflate.c new file mode 100644 index 0000000..ec11a97 --- /dev/null +++ b/lib/zlib/inflate.c @@ -0,0 +1,1525 @@ +/* inflate.c -- zlib decompression + * Copyright (C) 1995-2022 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * Change history: + * + * 1.2.beta0 24 Nov 2002 + * - First version -- complete rewrite of inflate to simplify code, avoid + * creation of window when not needed, minimize use of window when it is + * needed, make inffast.c even faster, implement gzip decoding, and to + * improve code readability and style over the previous zlib inflate code + * + * 1.2.beta1 25 Nov 2002 + * - Use pointers for available input and output checking in inffast.c + * - Remove input and output counters in inffast.c + * - Change inffast.c entry and loop from avail_in >= 7 to >= 6 + * - Remove unnecessary second byte pull from length extra in inffast.c + * - Unroll direct copy to three copies per loop in inffast.c + * + * 1.2.beta2 4 Dec 2002 + * - Change external routine names to reduce potential conflicts + * - Correct filename to inffixed.h for fixed tables in inflate.c + * - Make hbuf[] unsigned char to match parameter type in inflate.c + * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset) + * to avoid negation problem on Alphas (64 bit) in inflate.c + * + * 1.2.beta3 22 Dec 2002 + * - Add comments on state->bits assertion in inffast.c + * - Add comments on op field in inftrees.h + * - Fix bug in reuse of allocated window after inflateReset() + * - Remove bit fields--back to byte structure for speed + * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths + * - Change post-increments to pre-increments in inflate_fast(), PPC biased? + * - Add compile time option, POSTINC, to use post-increments instead (Intel?) + * - Make MATCH copy in inflate() much faster for when inflate_fast() not used + * - Use local copies of stream next and avail values, as well as local bit + * buffer and bit count in inflate()--for speed when inflate_fast() not used + * + * 1.2.beta4 1 Jan 2003 + * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings + * - Move a comment on output buffer sizes from inffast.c to inflate.c + * - Add comments in inffast.c to introduce the inflate_fast() routine + * - Rearrange window copies in inflate_fast() for speed and simplification + * - Unroll last copy for window match in inflate_fast() + * - Use local copies of window variables in inflate_fast() for speed + * - Pull out common wnext == 0 case for speed in inflate_fast() + * - Make op and len in inflate_fast() unsigned for consistency + * - Add FAR to lcode and dcode declarations in inflate_fast() + * - Simplified bad distance check in inflate_fast() + * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new + * source file infback.c to provide a call-back interface to inflate for + * programs like gzip and unzip -- uses window as output buffer to avoid + * window copying + * + * 1.2.beta5 1 Jan 2003 + * - Improved inflateBack() interface to allow the caller to provide initial + * input in strm. + * - Fixed stored blocks bug in inflateBack() + * + * 1.2.beta6 4 Jan 2003 + * - Added comments in inffast.c on effectiveness of POSTINC + * - Typecasting all around to reduce compiler warnings + * - Changed loops from while (1) or do {} while (1) to for (;;), again to + * make compilers happy + * - Changed type of window in inflateBackInit() to unsigned char * + * + * 1.2.beta7 27 Jan 2003 + * - Changed many types to unsigned or unsigned short to avoid warnings + * - Added inflateCopy() function + * + * 1.2.0 9 Mar 2003 + * - Changed inflateBack() interface to provide separate opaque descriptors + * for the in() and out() functions + * - Changed inflateBack() argument and in_func typedef to swap the length + * and buffer address return values for the input function + * - Check next_in and next_out for Z_NULL on entry to inflate() + * + * The history for versions after 1.2.0 are in ChangeLog in zlib distribution. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifdef MAKEFIXED +# ifndef BUILDFIXED +# define BUILDFIXED +# endif +#endif + +local int inflateStateCheck(z_streamp strm) { + struct inflate_state FAR *state; + if (strm == Z_NULL || + strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) + return 1; + state = (struct inflate_state FAR *)strm->state; + if (state == Z_NULL || state->strm != strm || + state->mode < HEAD || state->mode > SYNC) + return 1; + return 0; +} + +int ZEXPORT inflateResetKeep(z_streamp strm) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + strm->total_in = strm->total_out = state->total = 0; + strm->msg = Z_NULL; + if (state->wrap) /* to support ill-conceived Java test suite */ + strm->adler = state->wrap & 1; + state->mode = HEAD; + state->last = 0; + state->havedict = 0; + state->flags = -1; + state->dmax = 32768U; + state->head = Z_NULL; + state->hold = 0; + state->bits = 0; + state->lencode = state->distcode = state->next = state->codes; + state->sane = 1; + state->back = -1; + Tracev((stderr, "inflate: reset\n")); + return Z_OK; +} + +int ZEXPORT inflateReset(z_streamp strm) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + state->wsize = 0; + state->whave = 0; + state->wnext = 0; + return inflateResetKeep(strm); +} + +int ZEXPORT inflateReset2(z_streamp strm, int windowBits) { + int wrap; + struct inflate_state FAR *state; + + /* get the state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* extract wrap request from windowBits parameter */ + if (windowBits < 0) { + if (windowBits < -15) + return Z_STREAM_ERROR; + wrap = 0; + windowBits = -windowBits; + } + else { + wrap = (windowBits >> 4) + 5; +#ifdef GUNZIP + if (windowBits < 48) + windowBits &= 15; +#endif + } + + /* set number of window bits, free window if different */ + if (windowBits && (windowBits < 8 || windowBits > 15)) + return Z_STREAM_ERROR; + if (state->window != Z_NULL && state->wbits != (unsigned)windowBits) { + ZFREE(strm, state->window); + state->window = Z_NULL; + } + + /* update state and reset the rest of it */ + state->wrap = wrap; + state->wbits = (unsigned)windowBits; + return inflateReset(strm); +} + +int ZEXPORT inflateInit2_(z_streamp strm, int windowBits, + const char *version, int stream_size) { + int ret; + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL) return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; +#endif + } + if (strm->zfree == (free_func)0) +#ifdef Z_SOLO + return Z_STREAM_ERROR; +#else + strm->zfree = zcfree; +#endif + state = (struct inflate_state FAR *) + ZALLOC(strm, 1, sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + state->strm = strm; + state->window = Z_NULL; + state->mode = HEAD; /* to pass state test in inflateReset2() */ + ret = inflateReset2(strm, windowBits); + if (ret != Z_OK) { + ZFREE(strm, state); + strm->state = Z_NULL; + } + return ret; +} + +int ZEXPORT inflateInit_(z_streamp strm, const char *version, + int stream_size) { + return inflateInit2_(strm, DEF_WBITS, version, stream_size); +} + +int ZEXPORT inflatePrime(z_streamp strm, int bits, int value) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + if (bits == 0) + return Z_OK; + state = (struct inflate_state FAR *)strm->state; + if (bits < 0) { + state->hold = 0; + state->bits = 0; + return Z_OK; + } + if (bits > 16 || state->bits + (uInt)bits > 32) return Z_STREAM_ERROR; + value &= (1L << bits) - 1; + state->hold += (unsigned)value << state->bits; + state->bits += (uInt)bits; + return Z_OK; +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(struct inflate_state FAR *state) { +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +#ifdef MAKEFIXED +#include <stdio.h> + +/* + Write out the inffixed.h that is #include'd above. Defining MAKEFIXED also + defines BUILDFIXED, so the tables are built on the fly. makefixed() writes + those tables to stdout, which would be piped to inffixed.h. A small program + can simply call makefixed to do this: + + void makefixed(void); + + int main(void) + { + makefixed(); + return 0; + } + + Then that can be linked with zlib built with MAKEFIXED defined and run: + + a.out > inffixed.h + */ +void makefixed(void) +{ + unsigned low, size; + struct inflate_state state; + + fixedtables(&state); + puts(" /* inffixed.h -- table for decoding fixed codes"); + puts(" * Generated automatically by makefixed()."); + puts(" */"); + puts(""); + puts(" /* WARNING: this file should *not* be used by applications."); + puts(" It is part of the implementation of this library and is"); + puts(" subject to change. Applications should only use zlib.h."); + puts(" */"); + puts(""); + size = 1U << 9; + printf(" static const code lenfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 7) == 0) printf("\n "); + printf("{%u,%u,%d}", (low & 127) == 99 ? 64 : state.lencode[low].op, + state.lencode[low].bits, state.lencode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); + size = 1U << 5; + printf("\n static const code distfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 6) == 0) printf("\n "); + printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits, + state.distcode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); +} +#endif /* MAKEFIXED */ + +/* + Update the window with the last wsize (normally 32K) bytes written before + returning. If window does not exist yet, create it. This is only called + when a window is already in use, or when output has been written during this + inflate call, but the end of the deflate stream has not been reached yet. + It is also called to create a window for dictionary data when a dictionary + is loaded. + + Providing output buffers larger than 32K to inflate() should provide a speed + advantage, since only the last 32K of output is copied to the sliding window + upon return from inflate(), and since all distances after the first 32K of + output will fall in the output data, making match copies simpler and faster. + The advantage may be dependent on the size of the processor's data caches. + */ +local int updatewindow(z_streamp strm, const Bytef *end, unsigned copy) { + struct inflate_state FAR *state; + unsigned dist; + + state = (struct inflate_state FAR *)strm->state; + + /* if it hasn't been done already, allocate space for the window */ + if (state->window == Z_NULL) { + state->window = (unsigned char FAR *) + ZALLOC(strm, 1U << state->wbits, + sizeof(unsigned char)); + if (state->window == Z_NULL) return 1; + } + + /* if window not in use yet, initialize */ + if (state->wsize == 0) { + state->wsize = 1U << state->wbits; + state->wnext = 0; + state->whave = 0; + } + + /* copy state->wsize or less output bytes into the circular window */ + if (copy >= state->wsize) { + zmemcpy(state->window, end - state->wsize, state->wsize); + state->wnext = 0; + state->whave = state->wsize; + } + else { + dist = state->wsize - state->wnext; + if (dist > copy) dist = copy; + zmemcpy(state->window + state->wnext, end - copy, dist); + copy -= dist; + if (copy) { + zmemcpy(state->window, end - copy, copy); + state->wnext = copy; + state->whave = state->wsize; + } + else { + state->wnext += dist; + if (state->wnext == state->wsize) state->wnext = 0; + if (state->whave < state->wsize) state->whave += dist; + } + } + return 0; +} + +/* Macros for inflate(): */ + +/* check function to use adler32() for zlib or crc32() for gzip */ +#ifdef GUNZIP +# define UPDATE_CHECK(check, buf, len) \ + (state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) +#else +# define UPDATE_CHECK(check, buf, len) adler32(check, buf, len) +#endif + +/* check macros for header crc */ +#ifdef GUNZIP +# define CRC2(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + check = crc32(check, hbuf, 2); \ + } while (0) + +# define CRC4(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + hbuf[2] = (unsigned char)((word) >> 16); \ + hbuf[3] = (unsigned char)((word) >> 24); \ + check = crc32(check, hbuf, 4); \ + } while (0) +#endif + +/* Load registers with state in inflate() for speed */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Restore state from registers in inflate() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflate() + if there is no input available. */ +#define PULLBYTE() \ + do { \ + if (have == 0) goto inf_leave; \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflate(). */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* + inflate() uses a state machine to process as much input data and generate as + much output data as possible before returning. The state machine is + structured roughly as follows: + + for (;;) switch (state) { + ... + case STATEn: + if (not enough input data or output space to make progress) + return; + ... make progress ... + state = STATEm; + break; + ... + } + + so when inflate() is called again, the same case is attempted again, and + if the appropriate resources are provided, the machine proceeds to the + next state. The NEEDBITS() macro is usually the way the state evaluates + whether it can proceed or should return. NEEDBITS() does the return if + the requested bits are not available. The typical use of the BITS macros + is: + + NEEDBITS(n); + ... do something with BITS(n) ... + DROPBITS(n); + + where NEEDBITS(n) either returns from inflate() if there isn't enough + input left to load n bits into the accumulator, or it continues. BITS(n) + gives the low n bits in the accumulator. When done, DROPBITS(n) drops + the low n bits off the accumulator. INITBITS() clears the accumulator + and sets the number of available bits to zero. BYTEBITS() discards just + enough bits to put the accumulator on a byte boundary. After BYTEBITS() + and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. + + NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return + if there is no input available. The decoding of variable length codes uses + PULLBYTE() directly in order to pull just enough bytes to decode the next + code, and no more. + + Some states loop until they get enough input, making sure that enough + state information is maintained to continue the loop where it left off + if NEEDBITS() returns in the loop. For example, want, need, and keep + would all have to actually be part of the saved state in case NEEDBITS() + returns: + + case STATEw: + while (want < need) { + NEEDBITS(n); + keep[want++] = BITS(n); + DROPBITS(n); + } + state = STATEx; + case STATEx: + + As shown above, if the next state is also the next case, then the break + is omitted. + + A state may also return if there is not enough output space available to + complete that state. Those states are copying stored data, writing a + literal byte, and copying a matching string. + + When returning, a "goto inf_leave" is used to update the total counters, + update the check value, and determine whether any progress has been made + during that inflate() call in order to return the proper return code. + Progress is defined as a change in either strm->avail_in or strm->avail_out. + When there is a window, goto inf_leave will update the window with the last + output written. If a goto inf_leave occurs in the middle of decompression + and there is no window currently, goto inf_leave will create one and copy + output to the window for the next call of inflate(). + + In this implementation, the flush parameter of inflate() only affects the + return code (per zlib.h). inflate() always writes as much as possible to + strm->next_out, given the space available and the provided input--the effect + documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers + the allocation of and copying into a sliding window until necessary, which + provides the effect documented in zlib.h for Z_FINISH when the entire input + stream available. So the only thing the flush parameter actually does is: + when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it + will return Z_BUF_ERROR if it has not reached the end of the stream. + */ + +int ZEXPORT inflate(z_streamp strm, int flush) { + struct inflate_state FAR *state; + z_const unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned in, out; /* save starting available input and output */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code here; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ +#ifdef GUNZIP + unsigned char hbuf[4]; /* buffer for gzip header crc calculation */ +#endif + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + if (inflateStateCheck(strm) || strm->next_out == Z_NULL || + (strm->next_in == Z_NULL && strm->avail_in != 0)) + return Z_STREAM_ERROR; + + state = (struct inflate_state FAR *)strm->state; + if (state->mode == TYPE) state->mode = TYPEDO; /* skip check */ + LOAD(); + in = have; + out = left; + ret = Z_OK; + for (;;) + switch (state->mode) { + case HEAD: + if (state->wrap == 0) { + state->mode = TYPEDO; + break; + } + NEEDBITS(16); +#ifdef GUNZIP + if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */ + if (state->wbits == 0) + state->wbits = 15; + state->check = crc32(0L, Z_NULL, 0); + CRC2(state->check, hold); + INITBITS(); + state->mode = FLAGS; + break; + } + if (state->head != Z_NULL) + state->head->done = -1; + if (!(state->wrap & 1) || /* check if zlib header allowed */ +#else + if ( +#endif + ((BITS(8) << 8) + (hold >> 8)) % 31) { + strm->msg = (char *)"incorrect header check"; + state->mode = BAD; + break; + } + if (BITS(4) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + DROPBITS(4); + len = BITS(4) + 8; + if (state->wbits == 0) + state->wbits = len; + if (len > 15 || len > state->wbits) { + strm->msg = (char *)"invalid window size"; + state->mode = BAD; + break; + } + state->dmax = 1U << len; + state->flags = 0; /* indicate zlib header */ + Tracev((stderr, "inflate: zlib header ok\n")); + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = hold & 0x200 ? DICTID : TYPE; + INITBITS(); + break; +#ifdef GUNZIP + case FLAGS: + NEEDBITS(16); + state->flags = (int)(hold); + if ((state->flags & 0xff) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + if (state->flags & 0xe000) { + strm->msg = (char *)"unknown header flags set"; + state->mode = BAD; + break; + } + if (state->head != Z_NULL) + state->head->text = (int)((hold >> 8) & 1); + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + state->mode = TIME; + ZFALLTHROUGH; + case TIME: + NEEDBITS(32); + if (state->head != Z_NULL) + state->head->time = hold; + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC4(state->check, hold); + INITBITS(); + state->mode = OS; + ZFALLTHROUGH; + case OS: + NEEDBITS(16); + if (state->head != Z_NULL) { + state->head->xflags = (int)(hold & 0xff); + state->head->os = (int)(hold >> 8); + } + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + state->mode = EXLEN; + ZFALLTHROUGH; + case EXLEN: + if (state->flags & 0x0400) { + NEEDBITS(16); + state->length = (unsigned)(hold); + if (state->head != Z_NULL) + state->head->extra_len = (unsigned)hold; + if ((state->flags & 0x0200) && (state->wrap & 4)) + CRC2(state->check, hold); + INITBITS(); + } + else if (state->head != Z_NULL) + state->head->extra = Z_NULL; + state->mode = EXTRA; + ZFALLTHROUGH; + case EXTRA: + if (state->flags & 0x0400) { + copy = state->length; + if (copy > have) copy = have; + if (copy) { + if (state->head != Z_NULL && + state->head->extra != Z_NULL && + (len = state->head->extra_len - state->length) < + state->head->extra_max) { + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); + } + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + state->length -= copy; + } + if (state->length) goto inf_leave; + } + state->length = 0; + state->mode = NAME; + ZFALLTHROUGH; + case NAME: + if (state->flags & 0x0800) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->name != Z_NULL && + state->length < state->head->name_max) + state->head->name[state->length++] = (Bytef)len; + } while (len && copy < have); + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->name = Z_NULL; + state->length = 0; + state->mode = COMMENT; + ZFALLTHROUGH; + case COMMENT: + if (state->flags & 0x1000) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->comment != Z_NULL && + state->length < state->head->comm_max) + state->head->comment[state->length++] = (Bytef)len; + } while (len && copy < have); + if ((state->flags & 0x0200) && (state->wrap & 4)) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->comment = Z_NULL; + state->mode = HCRC; + ZFALLTHROUGH; + case HCRC: + if (state->flags & 0x0200) { + NEEDBITS(16); + if ((state->wrap & 4) && hold != (state->check & 0xffff)) { + strm->msg = (char *)"header crc mismatch"; + state->mode = BAD; + break; + } + INITBITS(); + } + if (state->head != Z_NULL) { + state->head->hcrc = (int)((state->flags >> 9) & 1); + state->head->done = 1; + } + strm->adler = state->check = crc32(0L, Z_NULL, 0); + state->mode = TYPE; + break; +#endif + case DICTID: + NEEDBITS(32); + strm->adler = state->check = ZSWAP32(hold); + INITBITS(); + state->mode = DICT; + ZFALLTHROUGH; + case DICT: + if (state->havedict == 0) { + RESTORE(); + return Z_NEED_DICT; + } + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = TYPE; + ZFALLTHROUGH; + case TYPE: + if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave; + ZFALLTHROUGH; + case TYPEDO: + if (state->last) { + BYTEBITS(); + state->mode = CHECK; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN_; /* decode codes */ + if (flush == Z_TREES) { + DROPBITS(2); + goto inf_leave; + } + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + case STORED: + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + state->mode = COPY_; + if (flush == Z_TREES) goto inf_leave; + ZFALLTHROUGH; + case COPY_: + state->mode = COPY; + ZFALLTHROUGH; + case COPY: + copy = state->length; + if (copy) { + if (copy > have) copy = have; + if (copy > left) copy = left; + if (copy == 0) goto inf_leave; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + break; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + case TABLE: + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + state->have = 0; + state->mode = LENLENS; + ZFALLTHROUGH; + case LENLENS: + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (const code FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + state->have = 0; + state->mode = CODELENS; + ZFALLTHROUGH; + case CODELENS: + while (state->have < state->nlen + state->ndist) { + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.val < 16) { + DROPBITS(here.bits); + state->lens[state->have++] = here.val; + } + else { + if (here.val == 16) { + NEEDBITS(here.bits + 2); + DROPBITS(here.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = state->lens[state->have - 1]; + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (here.val == 17) { + NEEDBITS(here.bits + 3); + DROPBITS(here.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(here.bits + 7); + DROPBITS(here.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* check for end-of-block code (better have one) */ + if (state->lens[256] == 0) { + strm->msg = (char *)"invalid code -- missing end-of-block"; + state->mode = BAD; + break; + } + + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftrees.h + concerning the ENOUGH constants, which depend on those values */ + state->next = state->codes; + state->lencode = (const code FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (const code FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN_; + if (flush == Z_TREES) goto inf_leave; + ZFALLTHROUGH; + case LEN_: + state->mode = LEN; + ZFALLTHROUGH; + case LEN: + if (have >= 6 && left >= 258) { + RESTORE(); + inflate_fast(strm, out); + LOAD(); + if (state->mode == TYPE) + state->back = -1; + break; + } + state->back = 0; + for (;;) { + here = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if (here.op && (here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + state->back += last.bits; + } + DROPBITS(here.bits); + state->back += here.bits; + state->length = (unsigned)here.val; + if ((int)(here.op) == 0) { + Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", here.val)); + state->mode = LIT; + break; + } + if (here.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->back = -1; + state->mode = TYPE; + break; + } + if (here.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + state->extra = (unsigned)(here.op) & 15; + state->mode = LENEXT; + ZFALLTHROUGH; + case LENEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + state->back += state->extra; + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + state->was = state->length; + state->mode = DIST; + ZFALLTHROUGH; + case DIST: + for (;;) { + here = state->distcode[BITS(state->distbits)]; + if ((unsigned)(here.bits) <= bits) break; + PULLBYTE(); + } + if ((here.op & 0xf0) == 0) { + last = here; + for (;;) { + here = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + here.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + state->back += last.bits; + } + DROPBITS(here.bits); + state->back += here.bits; + if (here.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)here.val; + state->extra = (unsigned)(here.op) & 15; + state->mode = DISTEXT; + ZFALLTHROUGH; + case DISTEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + state->back += state->extra; + } +#ifdef INFLATE_STRICT + if (state->offset > state->dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + state->mode = MATCH; + ZFALLTHROUGH; + case MATCH: + if (left == 0) goto inf_leave; + copy = out - left; + if (state->offset > copy) { /* copy from window */ + copy = state->offset - copy; + if (copy > state->whave) { + if (state->sane) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + Trace((stderr, "inflate.c too far\n")); + copy -= state->whave; + if (copy > state->length) copy = state->length; + if (copy > left) copy = left; + left -= copy; + state->length -= copy; + do { + *put++ = 0; + } while (--copy); + if (state->length == 0) state->mode = LEN; + break; +#endif + } + if (copy > state->wnext) { + copy -= state->wnext; + from = state->window + (state->wsize - copy); + } + else + from = state->window + (state->wnext - copy); + if (copy > state->length) copy = state->length; + } + else { /* copy from output */ + from = put - state->offset; + copy = state->length; + } + if (copy > left) copy = left; + left -= copy; + state->length -= copy; + do { + *put++ = *from++; + } while (--copy); + if (state->length == 0) state->mode = LEN; + break; + case LIT: + if (left == 0) goto inf_leave; + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + case CHECK: + if (state->wrap) { + NEEDBITS(32); + out -= left; + strm->total_out += out; + state->total += out; + if ((state->wrap & 4) && out) + strm->adler = state->check = + UPDATE_CHECK(state->check, put - out, out); + out = left; + if ((state->wrap & 4) && ( +#ifdef GUNZIP + state->flags ? hold : +#endif + ZSWAP32(hold)) != state->check) { + strm->msg = (char *)"incorrect data check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: check matches trailer\n")); + } +#ifdef GUNZIP + state->mode = LENGTH; + ZFALLTHROUGH; + case LENGTH: + if (state->wrap && state->flags) { + NEEDBITS(32); + if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) { + strm->msg = (char *)"incorrect length check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: length matches trailer\n")); + } +#endif + state->mode = DONE; + ZFALLTHROUGH; + case DONE: + ret = Z_STREAM_END; + goto inf_leave; + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + case MEM: + return Z_MEM_ERROR; + case SYNC: + default: + return Z_STREAM_ERROR; + } + + /* + Return from inflate(), updating the total counts and the check value. + If there was no progress during the inflate() call, return a buffer + error. Call updatewindow() to create and/or update the window state. + Note: a memory error from inflate() is non-recoverable. + */ + inf_leave: + RESTORE(); + if (state->wsize || (out != strm->avail_out && state->mode < BAD && + (state->mode < CHECK || flush != Z_FINISH))) + if (updatewindow(strm, strm->next_out, out - strm->avail_out)) { + state->mode = MEM; + return Z_MEM_ERROR; + } + in -= strm->avail_in; + out -= strm->avail_out; + strm->total_in += in; + strm->total_out += out; + state->total += out; + if ((state->wrap & 4) && out) + strm->adler = state->check = + UPDATE_CHECK(state->check, strm->next_out - out, out); + strm->data_type = (int)state->bits + (state->last ? 64 : 0) + + (state->mode == TYPE ? 128 : 0) + + (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); + if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) + ret = Z_BUF_ERROR; + return ret; +} + +int ZEXPORT inflateEnd(z_streamp strm) { + struct inflate_state FAR *state; + if (inflateStateCheck(strm)) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->window != Z_NULL) ZFREE(strm, state->window); + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} + +int ZEXPORT inflateGetDictionary(z_streamp strm, Bytef *dictionary, + uInt *dictLength) { + struct inflate_state FAR *state; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* copy dictionary */ + if (state->whave && dictionary != Z_NULL) { + zmemcpy(dictionary, state->window + state->wnext, + state->whave - state->wnext); + zmemcpy(dictionary + state->whave - state->wnext, + state->window, state->wnext); + } + if (dictLength != Z_NULL) + *dictLength = state->whave; + return Z_OK; +} + +int ZEXPORT inflateSetDictionary(z_streamp strm, const Bytef *dictionary, + uInt dictLength) { + struct inflate_state FAR *state; + unsigned long dictid; + int ret; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->wrap != 0 && state->mode != DICT) + return Z_STREAM_ERROR; + + /* check for correct dictionary identifier */ + if (state->mode == DICT) { + dictid = adler32(0L, Z_NULL, 0); + dictid = adler32(dictid, dictionary, dictLength); + if (dictid != state->check) + return Z_DATA_ERROR; + } + + /* copy dictionary to window using updatewindow(), which will amend the + existing dictionary if appropriate */ + ret = updatewindow(strm, dictionary + dictLength, dictLength); + if (ret) { + state->mode = MEM; + return Z_MEM_ERROR; + } + state->havedict = 1; + Tracev((stderr, "inflate: dictionary set\n")); + return Z_OK; +} + +int ZEXPORT inflateGetHeader(z_streamp strm, gz_headerp head) { + struct inflate_state FAR *state; + + /* check state */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; + + /* save header structure */ + state->head = head; + head->done = 0; + return Z_OK; +} + +/* + Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found + or when out of input. When called, *have is the number of pattern bytes + found in order so far, in 0..3. On return *have is updated to the new + state. If on return *have equals four, then the pattern was found and the + return value is how many bytes were read including the last byte of the + pattern. If *have is less than four, then the pattern has not been found + yet and the return value is len. In the latter case, syncsearch() can be + called again with more data and the *have state. *have is initialized to + zero for the first call. + */ +local unsigned syncsearch(unsigned FAR *have, const unsigned char FAR *buf, + unsigned len) { + unsigned got; + unsigned next; + + got = *have; + next = 0; + while (next < len && got < 4) { + if ((int)(buf[next]) == (got < 2 ? 0 : 0xff)) + got++; + else if (buf[next]) + got = 0; + else + got = 4 - got; + next++; + } + *have = got; + return next; +} + +int ZEXPORT inflateSync(z_streamp strm) { + unsigned len; /* number of bytes to look at or looked at */ + int flags; /* temporary to save header status */ + unsigned long in, out; /* temporary to save total_in and total_out */ + unsigned char buf[4]; /* to restore bit buffer to byte string */ + struct inflate_state FAR *state; + + /* check parameters */ + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR; + + /* if first time, start search in bit buffer */ + if (state->mode != SYNC) { + state->mode = SYNC; + state->hold <<= state->bits & 7; + state->bits -= state->bits & 7; + len = 0; + while (state->bits >= 8) { + buf[len++] = (unsigned char)(state->hold); + state->hold >>= 8; + state->bits -= 8; + } + state->have = 0; + syncsearch(&(state->have), buf, len); + } + + /* search available input */ + len = syncsearch(&(state->have), strm->next_in, strm->avail_in); + strm->avail_in -= len; + strm->next_in += len; + strm->total_in += len; + + /* return no joy or set up to restart inflate() on a new block */ + if (state->have != 4) return Z_DATA_ERROR; + if (state->flags == -1) + state->wrap = 0; /* if no header yet, treat as raw */ + else + state->wrap &= ~4; /* no point in computing a check value now */ + flags = state->flags; + in = strm->total_in; out = strm->total_out; + inflateReset(strm); + strm->total_in = in; strm->total_out = out; + state->flags = flags; + state->mode = TYPE; + return Z_OK; +} + +/* + Returns true if inflate is currently at the end of a block generated by + Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP + implementation to provide an additional safety check. PPP uses + Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored + block. When decompressing, PPP checks that at the end of input packet, + inflate is waiting for these length bytes. + */ +int ZEXPORT inflateSyncPoint(z_streamp strm) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + return state->mode == STORED && state->bits == 0; +} + +int ZEXPORT inflateCopy(z_streamp dest, z_streamp source) { + struct inflate_state FAR *state; + struct inflate_state FAR *copy; + unsigned char FAR *window; + unsigned wsize; + + /* check input */ + if (inflateStateCheck(source) || dest == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)source->state; + + /* allocate space */ + copy = (struct inflate_state FAR *) + ZALLOC(source, 1, sizeof(struct inflate_state)); + if (copy == Z_NULL) return Z_MEM_ERROR; + window = Z_NULL; + if (state->window != Z_NULL) { + window = (unsigned char FAR *) + ZALLOC(source, 1U << state->wbits, sizeof(unsigned char)); + if (window == Z_NULL) { + ZFREE(source, copy); + return Z_MEM_ERROR; + } + } + + /* copy state */ + zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream)); + zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state)); + copy->strm = dest; + if (state->lencode >= state->codes && + state->lencode <= state->codes + ENOUGH - 1) { + copy->lencode = copy->codes + (state->lencode - state->codes); + copy->distcode = copy->codes + (state->distcode - state->codes); + } + copy->next = copy->codes + (state->next - state->codes); + if (window != Z_NULL) { + wsize = 1U << state->wbits; + zmemcpy(window, state->window, wsize); + } + copy->window = window; + dest->state = (struct internal_state FAR *)copy; + return Z_OK; +} + +int ZEXPORT inflateUndermine(z_streamp strm, int subvert) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; +#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR + state->sane = !subvert; + return Z_OK; +#else + (void)subvert; + state->sane = 1; + return Z_DATA_ERROR; +#endif +} + +int ZEXPORT inflateValidate(z_streamp strm, int check) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (check && state->wrap) + state->wrap |= 4; + else + state->wrap &= ~4; + return Z_OK; +} + +long ZEXPORT inflateMark(z_streamp strm) { + struct inflate_state FAR *state; + + if (inflateStateCheck(strm)) + return -(1L << 16); + state = (struct inflate_state FAR *)strm->state; + return (long)(((unsigned long)((long)state->back)) << 16) + + (state->mode == COPY ? state->length : + (state->mode == MATCH ? state->was - state->length : 0)); +} + +unsigned long ZEXPORT inflateCodesUsed(z_streamp strm) { + struct inflate_state FAR *state; + if (inflateStateCheck(strm)) return (unsigned long)-1; + state = (struct inflate_state FAR *)strm->state; + return (unsigned long)(state->next - state->codes); +} diff --git a/lib/zlib/inflate.h b/lib/zlib/inflate.h new file mode 100644 index 0000000..f127b6b --- /dev/null +++ b/lib/zlib/inflate.h @@ -0,0 +1,126 @@ +/* inflate.h -- internal inflate state definition + * Copyright (C) 1995-2019 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer decoding by inflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip decoding + should be left enabled. */ +#ifndef NO_GZIP +# define GUNZIP +#endif + +/* Possible inflate modes between inflate() calls */ +typedef enum { + HEAD = 16180, /* i: waiting for magic header */ + FLAGS, /* i: waiting for method and flags (gzip) */ + TIME, /* i: waiting for modification time (gzip) */ + OS, /* i: waiting for extra flags and operating system (gzip) */ + EXLEN, /* i: waiting for extra length (gzip) */ + EXTRA, /* i: waiting for extra bytes (gzip) */ + NAME, /* i: waiting for end of file name (gzip) */ + COMMENT, /* i: waiting for end of comment (gzip) */ + HCRC, /* i: waiting for header crc (gzip) */ + DICTID, /* i: waiting for dictionary check value */ + DICT, /* waiting for inflateSetDictionary() call */ + TYPE, /* i: waiting for type bits, including last-flag bit */ + TYPEDO, /* i: same, but skip check to exit inflate on new block */ + STORED, /* i: waiting for stored size (length and complement) */ + COPY_, /* i/o: same as COPY below, but only first time in */ + COPY, /* i/o: waiting for input or output to copy stored block */ + TABLE, /* i: waiting for dynamic block table lengths */ + LENLENS, /* i: waiting for code length code lengths */ + CODELENS, /* i: waiting for length/lit and distance code lengths */ + LEN_, /* i: same as LEN below, but only first time in */ + LEN, /* i: waiting for length/lit/eob code */ + LENEXT, /* i: waiting for length extra bits */ + DIST, /* i: waiting for distance code */ + DISTEXT, /* i: waiting for distance extra bits */ + MATCH, /* o: waiting for output space to copy string */ + LIT, /* o: waiting for output space to write literal */ + CHECK, /* i: waiting for 32-bit check value */ + LENGTH, /* i: waiting for 32-bit length (gzip) */ + DONE, /* finished check, done -- remain here until reset */ + BAD, /* got a data error -- remain here until reset */ + MEM, /* got an inflate() memory error -- remain here until reset */ + SYNC /* looking for synchronization bytes to restart inflate() */ +} inflate_mode; + +/* + State transitions between above modes - + + (most modes can go to BAD or MEM on error -- not shown for clarity) + + Process header: + HEAD -> (gzip) or (zlib) or (raw) + (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -> COMMENT -> + HCRC -> TYPE + (zlib) -> DICTID or TYPE + DICTID -> DICT -> TYPE + (raw) -> TYPEDO + Read deflate blocks: + TYPE -> TYPEDO -> STORED or TABLE or LEN_ or CHECK + STORED -> COPY_ -> COPY -> TYPE + TABLE -> LENLENS -> CODELENS -> LEN_ + LEN_ -> LEN + Read deflate codes in fixed or dynamic block: + LEN -> LENEXT or LIT or TYPE + LENEXT -> DIST -> DISTEXT -> MATCH -> LEN + LIT -> LEN + Process trailer: + CHECK -> LENGTH -> DONE + */ + +/* State maintained between inflate() calls -- approximately 7K bytes, not + including the allocated sliding window, which is up to 32K bytes. */ +struct inflate_state { + z_streamp strm; /* pointer back to this zlib stream */ + inflate_mode mode; /* current inflate mode */ + int last; /* true if processing last block */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip, + bit 2 true to validate check value */ + int havedict; /* true if dictionary provided */ + int flags; /* gzip header method and flags, 0 if zlib, or + -1 if raw or no header yet */ + unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ + unsigned long check; /* protected copy of check value */ + unsigned long total; /* protected copy of output count */ + gz_headerp head; /* where to save gzip header information */ + /* sliding window */ + unsigned wbits; /* log base 2 of requested window size */ + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned wnext; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + /* bit accumulator */ + unsigned long hold; /* input bit accumulator */ + unsigned bits; /* number of bits in "in" */ + /* for string and stored block copying */ + unsigned length; /* literal or length of data to copy */ + unsigned offset; /* distance back to copy string from */ + /* for table and code decoding */ + unsigned extra; /* extra bits needed */ + /* fixed and dynamic code tables */ + code const FAR *lencode; /* starting table for length/literal codes */ + code const FAR *distcode; /* starting table for distance codes */ + unsigned lenbits; /* index bits for lencode */ + unsigned distbits; /* index bits for distcode */ + /* dynamic table building */ + unsigned ncode; /* number of code length code lengths */ + unsigned nlen; /* number of length code lengths */ + unsigned ndist; /* number of distance code lengths */ + unsigned have; /* number of code lengths in lens[] */ + code FAR *next; /* next available space in codes[] */ + unsigned short lens[320]; /* temporary storage for code lengths */ + unsigned short work[288]; /* work area for code table building */ + code codes[ENOUGH]; /* space for code tables */ + int sane; /* if false, allow invalid distance too far */ + int back; /* bits back of last unprocessed length/lit */ + unsigned was; /* initial length of match */ +}; diff --git a/lib/zlib/inftrees.c b/lib/zlib/inftrees.c new file mode 100644 index 0000000..8a208c2 --- /dev/null +++ b/lib/zlib/inftrees.c @@ -0,0 +1,299 @@ +/* inftrees.c -- generate Huffman trees for efficient decoding + * Copyright (C) 1995-2023 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" + +#define MAXBITS 15 + +const char inflate_copyright[] = + " inflate 1.3 Copyright 1995-2023 Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* + Build a set of tables to decode the provided canonical Huffman code. + The code lengths are lens[0..codes-1]. The result starts at *table, + whose indices are 0..2^bits-1. work is a writable array of at least + lens shorts, which is used as a work area. type is the type of code + to be generated, CODES, LENS, or DISTS. On return, zero is success, + -1 is an invalid code, and +1 means that ENOUGH isn't enough. table + on return points to the next available entry's address. bits is the + requested root table index bits, and on return it is the actual root + table index bits. It will differ if the request is greater than the + longest code or if it is less than the shortest code. + */ +int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens, + unsigned codes, code FAR * FAR *table, + unsigned FAR *bits, unsigned short FAR *work) { + unsigned len; /* a code's length in bits */ + unsigned sym; /* index of code symbols */ + unsigned min, max; /* minimum and maximum code lengths */ + unsigned root; /* number of index bits for root table */ + unsigned curr; /* number of index bits for current table */ + unsigned drop; /* code bits to drop for sub-table */ + int left; /* number of prefix codes available */ + unsigned used; /* code entries in table used */ + unsigned huff; /* Huffman code */ + unsigned incr; /* for incrementing code, index */ + unsigned fill; /* index for replicating entries */ + unsigned low; /* low bits for current root entry */ + unsigned mask; /* mask for low root bits */ + code here; /* table entry for duplication */ + code FAR *next; /* next available space in table */ + const unsigned short FAR *base; /* base value table to use */ + const unsigned short FAR *extra; /* extra bits table to use */ + unsigned match; /* use base and extra for symbol >= match */ + unsigned short count[MAXBITS+1]; /* number of codes of each length */ + unsigned short offs[MAXBITS+1]; /* offsets in table for each length */ + static const unsigned short lbase[31] = { /* Length codes 257..285 base */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, + 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; + static const unsigned short lext[31] = { /* Length codes 257..285 extra */ + 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 198, 203}; + static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, + 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, + 8193, 12289, 16385, 24577, 0, 0}; + static const unsigned short dext[32] = { /* Distance codes 0..29 extra */ + 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, + 28, 28, 29, 29, 64, 64}; + + /* + Process a set of code lengths to create a canonical Huffman code. The + code lengths are lens[0..codes-1]. Each length corresponds to the + symbols 0..codes-1. The Huffman code is generated by first sorting the + symbols by length from short to long, and retaining the symbol order + for codes with equal lengths. Then the code starts with all zero bits + for the first code of the shortest length, and the codes are integer + increments for the same length, and zeros are appended as the length + increases. For the deflate format, these bits are stored backwards + from their more natural integer increment ordering, and so when the + decoding tables are built in the large loop below, the integer codes + are incremented backwards. + + This routine assumes, but does not check, that all of the entries in + lens[] are in the range 0..MAXBITS. The caller must assure this. + 1..MAXBITS is interpreted as that code length. zero means that that + symbol does not occur in this code. + + The codes are sorted by computing a count of codes for each length, + creating from that a table of starting indices for each length in the + sorted table, and then entering the symbols in order in the sorted + table. The sorted table is work[], with that space being provided by + the caller. + + The length counts are used for other purposes as well, i.e. finding + the minimum and maximum length codes, determining if there are any + codes at all, checking for a valid set of lengths, and looking ahead + at length counts to determine sub-table sizes when building the + decoding tables. + */ + + /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ + for (len = 0; len <= MAXBITS; len++) + count[len] = 0; + for (sym = 0; sym < codes; sym++) + count[lens[sym]]++; + + /* bound code lengths, force root to be within code lengths */ + root = *bits; + for (max = MAXBITS; max >= 1; max--) + if (count[max] != 0) break; + if (root > max) root = max; + if (max == 0) { /* no symbols to code at all */ + here.op = (unsigned char)64; /* invalid code marker */ + here.bits = (unsigned char)1; + here.val = (unsigned short)0; + *(*table)++ = here; /* make a table to force an error */ + *(*table)++ = here; + *bits = 1; + return 0; /* no symbols, but wait for decoding to report error */ + } + for (min = 1; min < max; min++) + if (count[min] != 0) break; + if (root < min) root = min; + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; + left -= count[len]; + if (left < 0) return -1; /* over-subscribed */ + } + if (left > 0 && (type == CODES || max != 1)) + return -1; /* incomplete set */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + count[len]; + + /* sort symbols by length, by symbol order within each length */ + for (sym = 0; sym < codes; sym++) + if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; + + /* + Create and fill in decoding tables. In this loop, the table being + filled is at next and has curr index bits. The code being used is huff + with length len. That code is converted to an index by dropping drop + bits off of the bottom. For codes where len is less than drop + curr, + those top drop + curr - len bits are incremented through all values to + fill the table with replicated entries. + + root is the number of index bits for the root table. When len exceeds + root, sub-tables are created pointed to by the root entry with an index + of the low root bits of huff. This is saved in low to check for when a + new sub-table should be started. drop is zero when the root table is + being filled, and drop is root when sub-tables are being filled. + + When a new sub-table is needed, it is necessary to look ahead in the + code lengths to determine what size sub-table is needed. The length + counts are used for this, and so count[] is decremented as codes are + entered in the tables. + + used keeps track of how many table entries have been allocated from the + provided *table space. It is checked for LENS and DIST tables against + the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in + the initial root table size constants. See the comments in inftrees.h + for more information. + + sym increments through all symbols, and the loop terminates when + all codes of length max, i.e. all codes, have been processed. This + routine permits incomplete codes, so another loop after this one fills + in the rest of the decoding tables with invalid code markers. + */ + + /* set up for code type */ + switch (type) { + case CODES: + base = extra = work; /* dummy value--not used */ + match = 20; + break; + case LENS: + base = lbase; + extra = lext; + match = 257; + break; + default: /* DISTS */ + base = dbase; + extra = dext; + match = 0; + } + + /* initialize state for loop */ + huff = 0; /* starting code */ + sym = 0; /* starting code symbol */ + len = min; /* starting code length */ + next = *table; /* current table to fill in */ + curr = root; /* current table index bits */ + drop = 0; /* current bits to drop from code for index */ + low = (unsigned)(-1); /* trigger new sub-table when len > root */ + used = 1U << root; /* use root table entries */ + mask = used - 1; /* mask for comparing low */ + + /* check available table space */ + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) + return 1; + + /* process all codes and make table entries */ + for (;;) { + /* create table entry */ + here.bits = (unsigned char)(len - drop); + if (work[sym] + 1U < match) { + here.op = (unsigned char)0; + here.val = work[sym]; + } + else if (work[sym] >= match) { + here.op = (unsigned char)(extra[work[sym] - match]); + here.val = base[work[sym] - match]; + } + else { + here.op = (unsigned char)(32 + 64); /* end of block */ + here.val = 0; + } + + /* replicate for those indices with low len bits equal to huff */ + incr = 1U << (len - drop); + fill = 1U << curr; + min = fill; /* save offset to next table */ + do { + fill -= incr; + next[(huff >> drop) + fill] = here; + } while (fill != 0); + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + + /* go to next symbol, update count, len */ + sym++; + if (--(count[len]) == 0) { + if (len == max) break; + len = lens[work[sym]]; + } + + /* create new sub-table if needed */ + if (len > root && (huff & mask) != low) { + /* if first time, transition to sub-tables */ + if (drop == 0) + drop = root; + + /* increment past last table */ + next += min; /* here min is 1 << curr */ + + /* determine length of next table */ + curr = len - drop; + left = (int)(1 << curr); + while (curr + drop < max) { + left -= count[curr + drop]; + if (left <= 0) break; + curr++; + left <<= 1; + } + + /* check for enough space */ + used += 1U << curr; + if ((type == LENS && used > ENOUGH_LENS) || + (type == DISTS && used > ENOUGH_DISTS)) + return 1; + + /* point entry in root table to sub-table */ + low = huff & mask; + (*table)[low].op = (unsigned char)curr; + (*table)[low].bits = (unsigned char)root; + (*table)[low].val = (unsigned short)(next - *table); + } + } + + /* fill in remaining table entry if code is incomplete (guaranteed to have + at most one remaining entry, since if the code is incomplete, the + maximum code length that was allowed to get this far is one bit) */ + if (huff != 0) { + here.op = (unsigned char)64; /* invalid code marker */ + here.bits = (unsigned char)(len - drop); + here.val = (unsigned short)0; + next[huff] = here; + } + + /* set return parameters */ + *table += used; + *bits = root; + return 0; +} diff --git a/lib/zlib/inftrees.h b/lib/zlib/inftrees.h new file mode 100644 index 0000000..a10712d --- /dev/null +++ b/lib/zlib/inftrees.h @@ -0,0 +1,62 @@ +/* inftrees.h -- header to use inftrees.c + * Copyright (C) 1995-2005, 2010 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Structure for decoding tables. Each entry provides either the + information needed to do the operation requested by the code that + indexed that table entry, or it provides a pointer to another + table that indexes more bits of the code. op indicates whether + the entry is a pointer to another table, a literal, a length or + distance, an end-of-block, or an invalid code. For a table + pointer, the low four bits of op is the number of index bits of + that table. For a length or distance, the low four bits of op + is the number of extra bits to get after the code. bits is + the number of bits in this code or part of the code to drop off + of the bit buffer. val is the actual byte to output in the case + of a literal, the base length or distance, or the offset from + the current table to the next table. Each entry is four bytes. */ +typedef struct { + unsigned char op; /* operation, extra bits, table bits */ + unsigned char bits; /* bits in this part of the code */ + unsigned short val; /* offset in table or code value */ +} code; + +/* op values as set by inflate_table(): + 00000000 - literal + 0000tttt - table link, tttt != 0 is the number of table index bits + 0001eeee - length or distance, eeee is the number of extra bits + 01100000 - end of block + 01000000 - invalid code + */ + +/* Maximum size of the dynamic table. The maximum number of code structures is + 1444, which is the sum of 852 for literal/length codes and 592 for distance + codes. These values were found by exhaustive searches using the program + examples/enough.c found in the zlib distribution. The arguments to that + program are the number of symbols, the initial root table size, and the + maximum bit length of a code. "enough 286 9 15" for literal/length codes + returns returns 852, and "enough 30 6 15" for distance codes returns 592. + The initial root table size (9 or 6) is found in the fifth argument of the + inflate_table() calls in inflate.c and infback.c. If the root table size is + changed, then these maximum sizes would be need to be recalculated and + updated. */ +#define ENOUGH_LENS 852 +#define ENOUGH_DISTS 592 +#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS) + +/* Type of code to build for inflate_table() */ +typedef enum { + CODES, + LENS, + DISTS +} codetype; + +int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens, + unsigned codes, code FAR * FAR *table, + unsigned FAR *bits, unsigned short FAR *work); diff --git a/lib/zlib/trees.c b/lib/zlib/trees.c new file mode 100644 index 0000000..8dbdc40 --- /dev/null +++ b/lib/zlib/trees.c @@ -0,0 +1,1103 @@ +/* trees.c -- output deflated data using Huffman coding + * Copyright (C) 1995-2021 Jean-loup Gailly + * detect_data_type() function provided freely by Cosmin Truta, 2006 + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process uses several Huffman trees. The more + * common source values are represented by shorter bit sequences. + * + * Each code tree is stored in a compressed form which is itself + * a Huffman encoding of the lengths of all the code strings (in + * ascending order by source values). The actual code strings are + * reconstructed from the lengths in the inflate process, as described + * in the deflate specification. + * + * REFERENCES + * + * Deutsch, L.P.,"'Deflate' Compressed Data Format Specification". + * Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc + * + * Storer, James A. + * Data Compression: Methods and Theory, pp. 49-50. + * Computer Science Press, 1988. ISBN 0-7167-8156-5. + * + * Sedgewick, R. + * Algorithms, p290. + * Addison-Wesley, 1983. ISBN 0-201-06672-6. + */ + +/* @(#) $Id$ */ + +/* #define GEN_TREES_H */ + +#include "deflate.h" + +#ifdef ZLIB_DEBUG +# include <ctype.h> +#endif + +/* =========================================================================== + * Constants + */ + +#define MAX_BL_BITS 7 +/* Bit length codes must not exceed MAX_BL_BITS bits */ + +#define END_BLOCK 256 +/* end of block literal code */ + +#define REP_3_6 16 +/* repeat previous bit length 3-6 times (2 bits of repeat count) */ + +#define REPZ_3_10 17 +/* repeat a zero length 3-10 times (3 bits of repeat count) */ + +#define REPZ_11_138 18 +/* repeat a zero length 11-138 times (7 bits of repeat count) */ + +local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */ + = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0}; + +local const int extra_dbits[D_CODES] /* extra bits for each distance code */ + = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; + +local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */ + = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7}; + +local const uch bl_order[BL_CODES] + = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15}; +/* The lengths of the bit length codes are sent in order of decreasing + * probability, to avoid transmitting the lengths for unused bit length codes. + */ + +/* =========================================================================== + * Local data. These are initialized only once. + */ + +#define DIST_CODE_LEN 512 /* see definition of array dist_code below */ + +#if defined(GEN_TREES_H) || !defined(STDC) +/* non ANSI compilers may not accept trees.h */ + +local ct_data static_ltree[L_CODES+2]; +/* The static literal tree. Since the bit lengths are imposed, there is no + * need for the L_CODES extra codes used during heap construction. However + * The codes 286 and 287 are needed to build a canonical tree (see _tr_init + * below). + */ + +local ct_data static_dtree[D_CODES]; +/* The static distance tree. (Actually a trivial tree since all codes use + * 5 bits.) + */ + +uch _dist_code[DIST_CODE_LEN]; +/* Distance codes. The first 256 values correspond to the distances + * 3 .. 258, the last 256 values correspond to the top 8 bits of + * the 15 bit distances. + */ + +uch _length_code[MAX_MATCH-MIN_MATCH+1]; +/* length code for each normalized match length (0 == MIN_MATCH) */ + +local int base_length[LENGTH_CODES]; +/* First normalized length for each code (0 = MIN_MATCH) */ + +local int base_dist[D_CODES]; +/* First normalized distance for each code (0 = distance of 1) */ + +#else +# include "trees.h" +#endif /* GEN_TREES_H */ + +struct static_tree_desc_s { + const ct_data *static_tree; /* static tree or NULL */ + const intf *extra_bits; /* extra bits for each code or NULL */ + int extra_base; /* base index for extra_bits */ + int elems; /* max number of elements in the tree */ + int max_length; /* max bit length for the codes */ +}; + +#ifdef NO_INIT_GLOBAL_POINTERS +# define TCONST +#else +# define TCONST const +#endif + +local TCONST static_tree_desc static_l_desc = +{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; + +local TCONST static_tree_desc static_d_desc = +{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS}; + +local TCONST static_tree_desc static_bl_desc = +{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS}; + +/* =========================================================================== + * Output a short LSB first on the stream. + * IN assertion: there is enough room in pendingBuf. + */ +#define put_short(s, w) { \ + put_byte(s, (uch)((w) & 0xff)); \ + put_byte(s, (uch)((ush)(w) >> 8)); \ +} + +/* =========================================================================== + * Reverse the first len bits of a code, using straightforward code (a faster + * method would use a table) + * IN assertion: 1 <= len <= 15 + */ +local unsigned bi_reverse(unsigned code, int len) { + register unsigned res = 0; + do { + res |= code & 1; + code >>= 1, res <<= 1; + } while (--len > 0); + return res >> 1; +} + +/* =========================================================================== + * Flush the bit buffer, keeping at most 7 bits in it. + */ +local void bi_flush(deflate_state *s) { + if (s->bi_valid == 16) { + put_short(s, s->bi_buf); + s->bi_buf = 0; + s->bi_valid = 0; + } else if (s->bi_valid >= 8) { + put_byte(s, (Byte)s->bi_buf); + s->bi_buf >>= 8; + s->bi_valid -= 8; + } +} + +/* =========================================================================== + * Flush the bit buffer and align the output on a byte boundary + */ +local void bi_windup(deflate_state *s) { + if (s->bi_valid > 8) { + put_short(s, s->bi_buf); + } else if (s->bi_valid > 0) { + put_byte(s, (Byte)s->bi_buf); + } + s->bi_buf = 0; + s->bi_valid = 0; +#ifdef ZLIB_DEBUG + s->bits_sent = (s->bits_sent + 7) & ~7; +#endif +} + +/* =========================================================================== + * Generate the codes for a given tree and bit counts (which need not be + * optimal). + * IN assertion: the array bl_count contains the bit length statistics for + * the given tree and the field len is set for all tree elements. + * OUT assertion: the field code is set for all tree elements of non + * zero code length. + */ +local void gen_codes(ct_data *tree, int max_code, ushf *bl_count) { + ush next_code[MAX_BITS+1]; /* next code value for each bit length */ + unsigned code = 0; /* running code value */ + int bits; /* bit index */ + int n; /* code index */ + + /* The distribution counts are first used to generate the code values + * without bit reversal. + */ + for (bits = 1; bits <= MAX_BITS; bits++) { + code = (code + bl_count[bits - 1]) << 1; + next_code[bits] = (ush)code; + } + /* Check that the bit counts in bl_count are consistent. The last code + * must be all ones. + */ + Assert (code + bl_count[MAX_BITS] - 1 == (1 << MAX_BITS) - 1, + "inconsistent bit counts"); + Tracev((stderr,"\ngen_codes: max_code %d ", max_code)); + + for (n = 0; n <= max_code; n++) { + int len = tree[n].Len; + if (len == 0) continue; + /* Now reverse the bits */ + tree[n].Code = (ush)bi_reverse(next_code[len]++, len); + + Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ", + n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len] - 1)); + } +} + +#ifdef GEN_TREES_H +local void gen_trees_header(void); +#endif + +#ifndef ZLIB_DEBUG +# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len) + /* Send a code of the given tree. c and tree must not have side effects */ + +#else /* !ZLIB_DEBUG */ +# define send_code(s, c, tree) \ + { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \ + send_bits(s, tree[c].Code, tree[c].Len); } +#endif + +/* =========================================================================== + * Send a value on a given number of bits. + * IN assertion: length <= 16 and value fits in length bits. + */ +#ifdef ZLIB_DEBUG +local void send_bits(deflate_state *s, int value, int length) { + Tracevv((stderr," l %2d v %4x ", length, value)); + Assert(length > 0 && length <= 15, "invalid length"); + s->bits_sent += (ulg)length; + + /* If not enough room in bi_buf, use (valid) bits from bi_buf and + * (16 - bi_valid) bits from value, leaving (width - (16 - bi_valid)) + * unused bits in value. + */ + if (s->bi_valid > (int)Buf_size - length) { + s->bi_buf |= (ush)value << s->bi_valid; + put_short(s, s->bi_buf); + s->bi_buf = (ush)value >> (Buf_size - s->bi_valid); + s->bi_valid += length - Buf_size; + } else { + s->bi_buf |= (ush)value << s->bi_valid; + s->bi_valid += length; + } +} +#else /* !ZLIB_DEBUG */ + +#define send_bits(s, value, length) \ +{ int len = length;\ + if (s->bi_valid > (int)Buf_size - len) {\ + int val = (int)value;\ + s->bi_buf |= (ush)val << s->bi_valid;\ + put_short(s, s->bi_buf);\ + s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\ + s->bi_valid += len - Buf_size;\ + } else {\ + s->bi_buf |= (ush)(value) << s->bi_valid;\ + s->bi_valid += len;\ + }\ +} +#endif /* ZLIB_DEBUG */ + + +/* the arguments must not have side effects */ + +/* =========================================================================== + * Initialize the various 'constant' tables. + */ +local void tr_static_init(void) { +#if defined(GEN_TREES_H) || !defined(STDC) + static int static_init_done = 0; + int n; /* iterates over tree elements */ + int bits; /* bit counter */ + int length; /* length value */ + int code; /* code value */ + int dist; /* distance index */ + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + if (static_init_done) return; + + /* For some embedded targets, global variables are not initialized: */ +#ifdef NO_INIT_GLOBAL_POINTERS + static_l_desc.static_tree = static_ltree; + static_l_desc.extra_bits = extra_lbits; + static_d_desc.static_tree = static_dtree; + static_d_desc.extra_bits = extra_dbits; + static_bl_desc.extra_bits = extra_blbits; +#endif + + /* Initialize the mapping length (0..255) -> length code (0..28) */ + length = 0; + for (code = 0; code < LENGTH_CODES-1; code++) { + base_length[code] = length; + for (n = 0; n < (1 << extra_lbits[code]); n++) { + _length_code[length++] = (uch)code; + } + } + Assert (length == 256, "tr_static_init: length != 256"); + /* Note that the length 255 (match length 258) can be represented + * in two different ways: code 284 + 5 bits or code 285, so we + * overwrite length_code[255] to use the best encoding: + */ + _length_code[length - 1] = (uch)code; + + /* Initialize the mapping dist (0..32K) -> dist code (0..29) */ + dist = 0; + for (code = 0 ; code < 16; code++) { + base_dist[code] = dist; + for (n = 0; n < (1 << extra_dbits[code]); n++) { + _dist_code[dist++] = (uch)code; + } + } + Assert (dist == 256, "tr_static_init: dist != 256"); + dist >>= 7; /* from now on, all distances are divided by 128 */ + for ( ; code < D_CODES; code++) { + base_dist[code] = dist << 7; + for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) { + _dist_code[256 + dist++] = (uch)code; + } + } + Assert (dist == 256, "tr_static_init: 256 + dist != 512"); + + /* Construct the codes of the static literal tree */ + for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; + n = 0; + while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++; + while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++; + while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++; + while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++; + /* Codes 286 and 287 do not exist, but we must include them in the + * tree construction to get a canonical Huffman tree (longest code + * all ones) + */ + gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count); + + /* The static distance tree is trivial: */ + for (n = 0; n < D_CODES; n++) { + static_dtree[n].Len = 5; + static_dtree[n].Code = bi_reverse((unsigned)n, 5); + } + static_init_done = 1; + +# ifdef GEN_TREES_H + gen_trees_header(); +# endif +#endif /* defined(GEN_TREES_H) || !defined(STDC) */ +} + +/* =========================================================================== + * Generate the file trees.h describing the static trees. + */ +#ifdef GEN_TREES_H +# ifndef ZLIB_DEBUG +# include <stdio.h> +# endif + +# define SEPARATOR(i, last, width) \ + ((i) == (last)? "\n};\n\n" : \ + ((i) % (width) == (width) - 1 ? ",\n" : ", ")) + +void gen_trees_header(void) { + FILE *header = fopen("trees.h", "w"); + int i; + + Assert (header != NULL, "Can't open trees.h"); + fprintf(header, + "/* header created automatically with -DGEN_TREES_H */\n\n"); + + fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n"); + for (i = 0; i < L_CODES+2; i++) { + fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code, + static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5)); + } + + fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code, + static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5)); + } + + fprintf(header, "const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = {\n"); + for (i = 0; i < DIST_CODE_LEN; i++) { + fprintf(header, "%2u%s", _dist_code[i], + SEPARATOR(i, DIST_CODE_LEN-1, 20)); + } + + fprintf(header, + "const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= {\n"); + for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) { + fprintf(header, "%2u%s", _length_code[i], + SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20)); + } + + fprintf(header, "local const int base_length[LENGTH_CODES] = {\n"); + for (i = 0; i < LENGTH_CODES; i++) { + fprintf(header, "%1u%s", base_length[i], + SEPARATOR(i, LENGTH_CODES-1, 20)); + } + + fprintf(header, "local const int base_dist[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "%5u%s", base_dist[i], + SEPARATOR(i, D_CODES-1, 10)); + } + + fclose(header); +} +#endif /* GEN_TREES_H */ + +/* =========================================================================== + * Initialize a new block. + */ +local void init_block(deflate_state *s) { + int n; /* iterates over tree elements */ + + /* Initialize the trees. */ + for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0; + for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0; + for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0; + + s->dyn_ltree[END_BLOCK].Freq = 1; + s->opt_len = s->static_len = 0L; + s->sym_next = s->matches = 0; +} + +/* =========================================================================== + * Initialize the tree data structures for a new zlib stream. + */ +void ZLIB_INTERNAL _tr_init(deflate_state *s) { + tr_static_init(); + + s->l_desc.dyn_tree = s->dyn_ltree; + s->l_desc.stat_desc = &static_l_desc; + + s->d_desc.dyn_tree = s->dyn_dtree; + s->d_desc.stat_desc = &static_d_desc; + + s->bl_desc.dyn_tree = s->bl_tree; + s->bl_desc.stat_desc = &static_bl_desc; + + s->bi_buf = 0; + s->bi_valid = 0; +#ifdef ZLIB_DEBUG + s->compressed_len = 0L; + s->bits_sent = 0L; +#endif + + /* Initialize the first block of the first file: */ + init_block(s); +} + +#define SMALLEST 1 +/* Index within the heap array of least frequent node in the Huffman tree */ + + +/* =========================================================================== + * Remove the smallest element from the heap and recreate the heap with + * one less element. Updates heap and heap_len. + */ +#define pqremove(s, tree, top) \ +{\ + top = s->heap[SMALLEST]; \ + s->heap[SMALLEST] = s->heap[s->heap_len--]; \ + pqdownheap(s, tree, SMALLEST); \ +} + +/* =========================================================================== + * Compares to subtrees, using the tree depth as tie breaker when + * the subtrees have equal frequency. This minimizes the worst case length. + */ +#define smaller(tree, n, m, depth) \ + (tree[n].Freq < tree[m].Freq || \ + (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m])) + +/* =========================================================================== + * Restore the heap property by moving down the tree starting at node k, + * exchanging a node with the smallest of its two sons if necessary, stopping + * when the heap property is re-established (each father smaller than its + * two sons). + */ +local void pqdownheap(deflate_state *s, ct_data *tree, int k) { + int v = s->heap[k]; + int j = k << 1; /* left son of k */ + while (j <= s->heap_len) { + /* Set j to the smallest of the two sons: */ + if (j < s->heap_len && + smaller(tree, s->heap[j + 1], s->heap[j], s->depth)) { + j++; + } + /* Exit if v is smaller than both sons */ + if (smaller(tree, v, s->heap[j], s->depth)) break; + + /* Exchange v with the smallest son */ + s->heap[k] = s->heap[j]; k = j; + + /* And continue down the tree, setting j to the left son of k */ + j <<= 1; + } + s->heap[k] = v; +} + +/* =========================================================================== + * Compute the optimal bit lengths for a tree and update the total bit length + * for the current block. + * IN assertion: the fields freq and dad are set, heap[heap_max] and + * above are the tree nodes sorted by increasing frequency. + * OUT assertions: the field len is set to the optimal bit length, the + * array bl_count contains the frequencies for each bit length. + * The length opt_len is updated; static_len is also updated if stree is + * not null. + */ +local void gen_bitlen(deflate_state *s, tree_desc *desc) { + ct_data *tree = desc->dyn_tree; + int max_code = desc->max_code; + const ct_data *stree = desc->stat_desc->static_tree; + const intf *extra = desc->stat_desc->extra_bits; + int base = desc->stat_desc->extra_base; + int max_length = desc->stat_desc->max_length; + int h; /* heap index */ + int n, m; /* iterate over the tree elements */ + int bits; /* bit length */ + int xbits; /* extra bits */ + ush f; /* frequency */ + int overflow = 0; /* number of elements with bit length too large */ + + for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0; + + /* In a first pass, compute the optimal bit lengths (which may + * overflow in the case of the bit length tree). + */ + tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ + + for (h = s->heap_max + 1; h < HEAP_SIZE; h++) { + n = s->heap[h]; + bits = tree[tree[n].Dad].Len + 1; + if (bits > max_length) bits = max_length, overflow++; + tree[n].Len = (ush)bits; + /* We overwrite tree[n].Dad which is no longer needed */ + + if (n > max_code) continue; /* not a leaf node */ + + s->bl_count[bits]++; + xbits = 0; + if (n >= base) xbits = extra[n - base]; + f = tree[n].Freq; + s->opt_len += (ulg)f * (unsigned)(bits + xbits); + if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits); + } + if (overflow == 0) return; + + Tracev((stderr,"\nbit length overflow\n")); + /* This happens for example on obj2 and pic of the Calgary corpus */ + + /* Find the first bit length which could increase: */ + do { + bits = max_length - 1; + while (s->bl_count[bits] == 0) bits--; + s->bl_count[bits]--; /* move one leaf down the tree */ + s->bl_count[bits + 1] += 2; /* move one overflow item as its brother */ + s->bl_count[max_length]--; + /* The brother of the overflow item also moves one step up, + * but this does not affect bl_count[max_length] + */ + overflow -= 2; + } while (overflow > 0); + + /* Now recompute all bit lengths, scanning in increasing frequency. + * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all + * lengths instead of fixing only the wrong ones. This idea is taken + * from 'ar' written by Haruhiko Okumura.) + */ + for (bits = max_length; bits != 0; bits--) { + n = s->bl_count[bits]; + while (n != 0) { + m = s->heap[--h]; + if (m > max_code) continue; + if ((unsigned) tree[m].Len != (unsigned) bits) { + Tracev((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); + s->opt_len += ((ulg)bits - tree[m].Len) * tree[m].Freq; + tree[m].Len = (ush)bits; + } + n--; + } + } +} + +#ifdef DUMP_BL_TREE +# include <stdio.h> +#endif + +/* =========================================================================== + * Construct one Huffman tree and assigns the code bit strings and lengths. + * Update the total bit length for the current block. + * IN assertion: the field freq is set for all tree elements. + * OUT assertions: the fields len and code are set to the optimal bit length + * and corresponding code. The length opt_len is updated; static_len is + * also updated if stree is not null. The field max_code is set. + */ +local void build_tree(deflate_state *s, tree_desc *desc) { + ct_data *tree = desc->dyn_tree; + const ct_data *stree = desc->stat_desc->static_tree; + int elems = desc->stat_desc->elems; + int n, m; /* iterate over heap elements */ + int max_code = -1; /* largest code with non zero frequency */ + int node; /* new node being created */ + + /* Construct the initial heap, with least frequent element in + * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1]. + * heap[0] is not used. + */ + s->heap_len = 0, s->heap_max = HEAP_SIZE; + + for (n = 0; n < elems; n++) { + if (tree[n].Freq != 0) { + s->heap[++(s->heap_len)] = max_code = n; + s->depth[n] = 0; + } else { + tree[n].Len = 0; + } + } + + /* The pkzip format requires that at least one distance code exists, + * and that at least one bit should be sent even if there is only one + * possible code. So to avoid special checks later on we force at least + * two codes of non zero frequency. + */ + while (s->heap_len < 2) { + node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0); + tree[node].Freq = 1; + s->depth[node] = 0; + s->opt_len--; if (stree) s->static_len -= stree[node].Len; + /* node is 0 or 1 so it does not have extra bits */ + } + desc->max_code = max_code; + + /* The elements heap[heap_len/2 + 1 .. heap_len] are leaves of the tree, + * establish sub-heaps of increasing lengths: + */ + for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); + + /* Construct the Huffman tree by repeatedly combining the least two + * frequent nodes. + */ + node = elems; /* next internal node of the tree */ + do { + pqremove(s, tree, n); /* n = node of least frequency */ + m = s->heap[SMALLEST]; /* m = node of next least frequency */ + + s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */ + s->heap[--(s->heap_max)] = m; + + /* Create a new node father of n and m */ + tree[node].Freq = tree[n].Freq + tree[m].Freq; + s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ? + s->depth[n] : s->depth[m]) + 1); + tree[n].Dad = tree[m].Dad = (ush)node; +#ifdef DUMP_BL_TREE + if (tree == s->bl_tree) { + fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)", + node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq); + } +#endif + /* and insert the new node in the heap */ + s->heap[SMALLEST] = node++; + pqdownheap(s, tree, SMALLEST); + + } while (s->heap_len >= 2); + + s->heap[--(s->heap_max)] = s->heap[SMALLEST]; + + /* At this point, the fields freq and dad are set. We can now + * generate the bit lengths. + */ + gen_bitlen(s, (tree_desc *)desc); + + /* The field len is now set, we can generate the bit codes */ + gen_codes ((ct_data *)tree, max_code, s->bl_count); +} + +/* =========================================================================== + * Scan a literal or distance tree to determine the frequencies of the codes + * in the bit length tree. + */ +local void scan_tree(deflate_state *s, ct_data *tree, int max_code) { + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + if (nextlen == 0) max_count = 138, min_count = 3; + tree[max_code + 1].Len = (ush)0xffff; /* guard */ + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n + 1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + s->bl_tree[curlen].Freq += count; + } else if (curlen != 0) { + if (curlen != prevlen) s->bl_tree[curlen].Freq++; + s->bl_tree[REP_3_6].Freq++; + } else if (count <= 10) { + s->bl_tree[REPZ_3_10].Freq++; + } else { + s->bl_tree[REPZ_11_138].Freq++; + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Send a literal or distance tree in compressed form, using the codes in + * bl_tree. + */ +local void send_tree(deflate_state *s, ct_data *tree, int max_code) { + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + /* tree[max_code + 1].Len = -1; */ /* guard already set */ + if (nextlen == 0) max_count = 138, min_count = 3; + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n + 1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + do { send_code(s, curlen, s->bl_tree); } while (--count != 0); + + } else if (curlen != 0) { + if (curlen != prevlen) { + send_code(s, curlen, s->bl_tree); count--; + } + Assert(count >= 3 && count <= 6, " 3_6?"); + send_code(s, REP_3_6, s->bl_tree); send_bits(s, count - 3, 2); + + } else if (count <= 10) { + send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count - 3, 3); + + } else { + send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count - 11, 7); + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Construct the Huffman tree for the bit lengths and return the index in + * bl_order of the last bit length code to send. + */ +local int build_bl_tree(deflate_state *s) { + int max_blindex; /* index of last bit length code of non zero freq */ + + /* Determine the bit length frequencies for literal and distance trees */ + scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code); + scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code); + + /* Build the bit length tree: */ + build_tree(s, (tree_desc *)(&(s->bl_desc))); + /* opt_len now includes the length of the tree representations, except the + * lengths of the bit lengths codes and the 5 + 5 + 4 bits for the counts. + */ + + /* Determine the number of bit length codes to send. The pkzip format + * requires that at least 4 bit length codes be sent. (appnote.txt says + * 3 but the actual value used is 4.) + */ + for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) { + if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; + } + /* Update opt_len to include the bit length tree and counts */ + s->opt_len += 3*((ulg)max_blindex + 1) + 5 + 5 + 4; + Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", + s->opt_len, s->static_len)); + + return max_blindex; +} + +/* =========================================================================== + * Send the header for a block using dynamic Huffman trees: the counts, the + * lengths of the bit length codes, the literal tree and the distance tree. + * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. + */ +local void send_all_trees(deflate_state *s, int lcodes, int dcodes, + int blcodes) { + int rank; /* index in bl_order */ + + Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); + Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, + "too many codes"); + Tracev((stderr, "\nbl counts: ")); + send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */ + send_bits(s, dcodes - 1, 5); + send_bits(s, blcodes - 4, 4); /* not -3 as stated in appnote.txt */ + for (rank = 0; rank < blcodes; rank++) { + Tracev((stderr, "\nbl code %2d ", bl_order[rank])); + send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); + } + Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_ltree, lcodes - 1); /* literal tree */ + Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_dtree, dcodes - 1); /* distance tree */ + Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); +} + +/* =========================================================================== + * Send a stored block + */ +void ZLIB_INTERNAL _tr_stored_block(deflate_state *s, charf *buf, + ulg stored_len, int last) { + send_bits(s, (STORED_BLOCK<<1) + last, 3); /* send block type */ + bi_windup(s); /* align on byte boundary */ + put_short(s, (ush)stored_len); + put_short(s, (ush)~stored_len); + if (stored_len) + zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); + s->pending += stored_len; +#ifdef ZLIB_DEBUG + s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; + s->compressed_len += (stored_len + 4) << 3; + s->bits_sent += 2*16; + s->bits_sent += stored_len << 3; +#endif +} + +/* =========================================================================== + * Flush the bits in the bit buffer to pending output (leaves at most 7 bits) + */ +void ZLIB_INTERNAL _tr_flush_bits(deflate_state *s) { + bi_flush(s); +} + +/* =========================================================================== + * Send one empty static block to give enough lookahead for inflate. + * This takes 10 bits, of which 7 may remain in the bit buffer. + */ +void ZLIB_INTERNAL _tr_align(deflate_state *s) { + send_bits(s, STATIC_TREES<<1, 3); + send_code(s, END_BLOCK, static_ltree); +#ifdef ZLIB_DEBUG + s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ +#endif + bi_flush(s); +} + +/* =========================================================================== + * Send the block data compressed using the given Huffman trees + */ +local void compress_block(deflate_state *s, const ct_data *ltree, + const ct_data *dtree) { + unsigned dist; /* distance of matched string */ + int lc; /* match length or unmatched char (if dist == 0) */ + unsigned sx = 0; /* running index in sym_buf */ + unsigned code; /* the code to send */ + int extra; /* number of extra bits to send */ + + if (s->sym_next != 0) do { + dist = s->sym_buf[sx++] & 0xff; + dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8; + lc = s->sym_buf[sx++]; + if (dist == 0) { + send_code(s, lc, ltree); /* send a literal byte */ + Tracecv(isgraph(lc), (stderr," '%c' ", lc)); + } else { + /* Here, lc is the match length - MIN_MATCH */ + code = _length_code[lc]; + send_code(s, code + LITERALS + 1, ltree); /* send length code */ + extra = extra_lbits[code]; + if (extra != 0) { + lc -= base_length[code]; + send_bits(s, lc, extra); /* send the extra length bits */ + } + dist--; /* dist is now the match distance - 1 */ + code = d_code(dist); + Assert (code < D_CODES, "bad d_code"); + + send_code(s, code, dtree); /* send the distance code */ + extra = extra_dbits[code]; + if (extra != 0) { + dist -= (unsigned)base_dist[code]; + send_bits(s, dist, extra); /* send the extra distance bits */ + } + } /* literal or match pair ? */ + + /* Check that the overlay between pending_buf and sym_buf is ok: */ + Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow"); + + } while (sx < s->sym_next); + + send_code(s, END_BLOCK, ltree); +} + +/* =========================================================================== + * Check if the data type is TEXT or BINARY, using the following algorithm: + * - TEXT if the two conditions below are satisfied: + * a) There are no non-portable control characters belonging to the + * "block list" (0..6, 14..25, 28..31). + * b) There is at least one printable character belonging to the + * "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255). + * - BINARY otherwise. + * - The following partially-portable control characters form a + * "gray list" that is ignored in this detection algorithm: + * (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}). + * IN assertion: the fields Freq of dyn_ltree are set. + */ +local int detect_data_type(deflate_state *s) { + /* block_mask is the bit mask of block-listed bytes + * set bits 0..6, 14..25, and 28..31 + * 0xf3ffc07f = binary 11110011111111111100000001111111 + */ + unsigned long block_mask = 0xf3ffc07fUL; + int n; + + /* Check for non-textual ("block-listed") bytes. */ + for (n = 0; n <= 31; n++, block_mask >>= 1) + if ((block_mask & 1) && (s->dyn_ltree[n].Freq != 0)) + return Z_BINARY; + + /* Check for textual ("allow-listed") bytes. */ + if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0 + || s->dyn_ltree[13].Freq != 0) + return Z_TEXT; + for (n = 32; n < LITERALS; n++) + if (s->dyn_ltree[n].Freq != 0) + return Z_TEXT; + + /* There are no "block-listed" or "allow-listed" bytes: + * this stream either is empty or has tolerated ("gray-listed") bytes only. + */ + return Z_BINARY; +} + +/* =========================================================================== + * Determine the best encoding for the current block: dynamic trees, static + * trees or store, and write out the encoded block. + */ +void ZLIB_INTERNAL _tr_flush_block(deflate_state *s, charf *buf, + ulg stored_len, int last) { + ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ + int max_blindex = 0; /* index of last bit length code of non zero freq */ + + /* Build the Huffman trees unless a stored block is forced */ + if (s->level > 0) { + + /* Check if the file is binary or text */ + if (s->strm->data_type == Z_UNKNOWN) + s->strm->data_type = detect_data_type(s); + + /* Construct the literal and distance trees */ + build_tree(s, (tree_desc *)(&(s->l_desc))); + Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + + build_tree(s, (tree_desc *)(&(s->d_desc))); + Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + /* At this point, opt_len and static_len are the total bit lengths of + * the compressed block data, excluding the tree representations. + */ + + /* Build the bit length tree for the above two trees, and get the index + * in bl_order of the last bit length code to send. + */ + max_blindex = build_bl_tree(s); + + /* Determine the best encoding. Compute the block lengths in bytes. */ + opt_lenb = (s->opt_len + 3 + 7) >> 3; + static_lenb = (s->static_len + 3 + 7) >> 3; + + Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", + opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, + s->sym_next / 3)); + +#ifndef FORCE_STATIC + if (static_lenb <= opt_lenb || s->strategy == Z_FIXED) +#endif + opt_lenb = static_lenb; + + } else { + Assert(buf != (char*)0, "lost buf"); + opt_lenb = static_lenb = stored_len + 5; /* force a stored block */ + } + +#ifdef FORCE_STORED + if (buf != (char*)0) { /* force stored block */ +#else + if (stored_len + 4 <= opt_lenb && buf != (char*)0) { + /* 4: two words for the lengths */ +#endif + /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. + * Otherwise we can't have processed more than WSIZE input bytes since + * the last block flush, because compression would have been + * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to + * transform a block into a stored block. + */ + _tr_stored_block(s, buf, stored_len, last); + + } else if (static_lenb == opt_lenb) { + send_bits(s, (STATIC_TREES<<1) + last, 3); + compress_block(s, (const ct_data *)static_ltree, + (const ct_data *)static_dtree); +#ifdef ZLIB_DEBUG + s->compressed_len += 3 + s->static_len; +#endif + } else { + send_bits(s, (DYN_TREES<<1) + last, 3); + send_all_trees(s, s->l_desc.max_code + 1, s->d_desc.max_code + 1, + max_blindex + 1); + compress_block(s, (const ct_data *)s->dyn_ltree, + (const ct_data *)s->dyn_dtree); +#ifdef ZLIB_DEBUG + s->compressed_len += 3 + s->opt_len; +#endif + } + Assert (s->compressed_len == s->bits_sent, "bad compressed size"); + /* The above check is made mod 2^32, for files larger than 512 MB + * and uLong implemented on 32 bits. + */ + init_block(s); + + if (last) { + bi_windup(s); +#ifdef ZLIB_DEBUG + s->compressed_len += 7; /* align on byte boundary */ +#endif + } + Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len >> 3, + s->compressed_len - 7*last)); +} + +/* =========================================================================== + * Save the match info and tally the frequency counts. Return true if + * the current block must be flushed. + */ +int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc) { + s->sym_buf[s->sym_next++] = (uch)dist; + s->sym_buf[s->sym_next++] = (uch)(dist >> 8); + s->sym_buf[s->sym_next++] = (uch)lc; + if (dist == 0) { + /* lc is the unmatched char */ + s->dyn_ltree[lc].Freq++; + } else { + s->matches++; + /* Here, lc is the match length - MIN_MATCH */ + dist--; /* dist = match distance - 1 */ + Assert((ush)dist < (ush)MAX_DIST(s) && + (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && + (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match"); + + s->dyn_ltree[_length_code[lc] + LITERALS + 1].Freq++; + s->dyn_dtree[d_code(dist)].Freq++; + } + return (s->sym_next == s->sym_end); +} diff --git a/lib/zlib/trees.h b/lib/zlib/trees.h new file mode 100644 index 0000000..d35639d --- /dev/null +++ b/lib/zlib/trees.h @@ -0,0 +1,128 @@ +/* header created automatically with -DGEN_TREES_H */ + +local const ct_data static_ltree[L_CODES+2] = { +{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}}, +{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}}, +{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}}, +{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}}, +{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}}, +{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}}, +{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}}, +{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}}, +{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}}, +{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}}, +{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}}, +{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}}, +{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}}, +{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}}, +{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}}, +{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}}, +{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}}, +{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}}, +{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}}, +{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}}, +{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}}, +{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}}, +{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}}, +{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}}, +{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}}, +{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}}, +{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}}, +{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}}, +{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}}, +{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}}, +{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}}, +{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}}, +{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}}, +{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}}, +{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}}, +{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}}, +{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}}, +{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}}, +{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}}, +{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}}, +{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}}, +{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}}, +{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}}, +{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}}, +{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}}, +{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}}, +{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}}, +{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}}, +{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}}, +{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}}, +{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}}, +{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}}, +{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}}, +{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}}, +{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}}, +{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}}, +{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}}, +{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}} +}; + +local const ct_data static_dtree[D_CODES] = { +{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}}, +{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}}, +{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}}, +{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}}, +{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}}, +{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}} +}; + +const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = { + 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, +10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, +11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, +12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17, +18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 +}; + +const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, +13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, +17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, +19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, +21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, +22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 +}; + +local const int base_length[LENGTH_CODES] = { +0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, +64, 80, 96, 112, 128, 160, 192, 224, 0 +}; + +local const int base_dist[D_CODES] = { + 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, + 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, + 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576 +}; + diff --git a/lib/zlib/uncompr.c b/lib/zlib/uncompr.c new file mode 100644 index 0000000..5e25666 --- /dev/null +++ b/lib/zlib/uncompr.c @@ -0,0 +1,85 @@ +/* uncompr.c -- decompress a memory buffer + * Copyright (C) 1995-2003, 2010, 2014, 2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#define ZLIB_INTERNAL +#include "zlib.h" + +/* =========================================================================== + Decompresses the source buffer into the destination buffer. *sourceLen is + the byte length of the source buffer. Upon entry, *destLen is the total size + of the destination buffer, which must be large enough to hold the entire + uncompressed data. (The size of the uncompressed data must have been saved + previously by the compressor and transmitted to the decompressor by some + mechanism outside the scope of this compression library.) Upon exit, + *destLen is the size of the decompressed data and *sourceLen is the number + of source bytes consumed. Upon return, source + *sourceLen points to the + first unused input byte. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, or + Z_DATA_ERROR if the input data was corrupted, including if the input data is + an incomplete zlib stream. +*/ +int ZEXPORT uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong *sourceLen) { + z_stream stream; + int err; + const uInt max = (uInt)-1; + uLong len, left; + Byte buf[1]; /* for detection of incomplete stream when *destLen == 0 */ + + len = *sourceLen; + if (*destLen) { + left = *destLen; + *destLen = 0; + } + else { + left = 1; + dest = buf; + } + + stream.next_in = (z_const Bytef *)source; + stream.avail_in = 0; + stream.zalloc = (alloc_func)0; + stream.zfree = (free_func)0; + stream.opaque = (voidpf)0; + + err = inflateInit(&stream); + if (err != Z_OK) return err; + + stream.next_out = dest; + stream.avail_out = 0; + + do { + if (stream.avail_out == 0) { + stream.avail_out = left > (uLong)max ? max : (uInt)left; + left -= stream.avail_out; + } + if (stream.avail_in == 0) { + stream.avail_in = len > (uLong)max ? max : (uInt)len; + len -= stream.avail_in; + } + err = inflate(&stream, Z_NO_FLUSH); + } while (err == Z_OK); + + *sourceLen -= len + stream.avail_in; + if (dest != buf) + *destLen = stream.total_out; + else if (stream.total_out && err == Z_BUF_ERROR) + left = 1; + + inflateEnd(&stream); + return err == Z_STREAM_END ? Z_OK : + err == Z_NEED_DICT ? Z_DATA_ERROR : + err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR : + err; +} + +int ZEXPORT uncompress(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong sourceLen) { + return uncompress2(dest, destLen, source, &sourceLen); +} diff --git a/lib/zlib/zconf.h.in b/lib/zlib/zconf.h.in new file mode 100644 index 0000000..ae34fee --- /dev/null +++ b/lib/zlib/zconf.h.in @@ -0,0 +1,580 @@ +/* zconf.h -- configuration of the zlib compression library + * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#ifndef ZCONF_H +#define ZCONF_H + +/* The following four defines are enabled by sudo's configure script. */ +#undef HAVE_FALLTHROUGH_ATTRIBUTE +#undef HAVE_DSO_VISIBILITY +#undef HAVE_MEMCPY +#undef HAVE_UNISTD_H +#undef HAVE_VSNPRINTF +#undef _FILE_OFFSET_BITS +#undef _LARGE_FILES +#undef const + +/* We build sudo and its libs with -fvisibility=hidden where supported. */ +#ifdef HAVE_DSO_VISIBILITY +# if defined(__GNUC__) +# define ZEXTERN extern __attribute__((__visibility__("default"))) +# elif defined(__SUNPRO_C) +# define ZEXTERN extern __global +# elif defined(ZLIB_INTERNAL) +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +#endif + +#ifdef HAVE_FALLTHROUGH_ATTRIBUTE +# define ZFALLTHROUGH __attribute__((__fallthrough__)) +#else +# define ZFALLTHROUGH do { } while (0) +#endif + +/* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. + * Even better than compiling with -DZ_PREFIX would be to use configure to set + * this permanently in zconf.h using "./configure --zprefix". + */ +#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ +# define Z_PREFIX_SET + +/* all linked symbols and init macros */ +# define _dist_code z__dist_code +# define _length_code z__length_code +# define _tr_align z__tr_align +# define _tr_flush_bits z__tr_flush_bits +# define _tr_flush_block z__tr_flush_block +# define _tr_init z__tr_init +# define _tr_stored_block z__tr_stored_block +# define _tr_tally z__tr_tally +# define adler32 z_adler32 +# define adler32_combine z_adler32_combine +# define adler32_combine64 z_adler32_combine64 +# define adler32_z z_adler32_z +# ifndef Z_SOLO +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# endif +# define crc32 z_crc32 +# define crc32_combine z_crc32_combine +# define crc32_combine64 z_crc32_combine64 +# define crc32_combine_gen z_crc32_combine_gen +# define crc32_combine_gen64 z_crc32_combine_gen64 +# define crc32_combine_op z_crc32_combine_op +# define crc32_z z_crc32_z +# define deflate z_deflate +# define deflateBound z_deflateBound +# define deflateCopy z_deflateCopy +# define deflateEnd z_deflateEnd +# define deflateGetDictionary z_deflateGetDictionary +# define deflateInit z_deflateInit +# define deflateInit2 z_deflateInit2 +# define deflateInit2_ z_deflateInit2_ +# define deflateInit_ z_deflateInit_ +# define deflateParams z_deflateParams +# define deflatePending z_deflatePending +# define deflatePrime z_deflatePrime +# define deflateReset z_deflateReset +# define deflateResetKeep z_deflateResetKeep +# define deflateSetDictionary z_deflateSetDictionary +# define deflateSetHeader z_deflateSetHeader +# define deflateTune z_deflateTune +# define deflate_copyright z_deflate_copyright +# define get_crc_table z_get_crc_table +# ifndef Z_SOLO +# define gz_error z_gz_error +# define gz_intmax z_gz_intmax +# define gz_strwinerror z_gz_strwinerror +# define gzbuffer z_gzbuffer +# define gzclearerr z_gzclearerr +# define gzclose z_gzclose +# define gzclose_r z_gzclose_r +# define gzclose_w z_gzclose_w +# define gzdirect z_gzdirect +# define gzdopen z_gzdopen +# define gzeof z_gzeof +# define gzerror z_gzerror +# define gzflush z_gzflush +# define gzfread z_gzfread +# define gzfwrite z_gzfwrite +# define gzgetc z_gzgetc +# define gzgetc_ z_gzgetc_ +# define gzgets z_gzgets +# define gzoffset z_gzoffset +# define gzoffset64 z_gzoffset64 +# define gzopen z_gzopen +# define gzopen64 z_gzopen64 +# ifdef _WIN32 +# define gzopen_w z_gzopen_w +# endif +# define gzprintf z_gzprintf +# define gzputc z_gzputc +# define gzputs z_gzputs +# define gzread z_gzread +# define gzrewind z_gzrewind +# define gzseek z_gzseek +# define gzseek64 z_gzseek64 +# define gzsetparams z_gzsetparams +# define gztell z_gztell +# define gztell64 z_gztell64 +# define gzungetc z_gzungetc +# define gzvprintf z_gzvprintf +# define gzwrite z_gzwrite +# endif +# define inflate z_inflate +# define inflateBack z_inflateBack +# define inflateBackEnd z_inflateBackEnd +# define inflateBackInit z_inflateBackInit +# define inflateBackInit_ z_inflateBackInit_ +# define inflateCodesUsed z_inflateCodesUsed +# define inflateCopy z_inflateCopy +# define inflateEnd z_inflateEnd +# define inflateGetDictionary z_inflateGetDictionary +# define inflateGetHeader z_inflateGetHeader +# define inflateInit z_inflateInit +# define inflateInit2 z_inflateInit2 +# define inflateInit2_ z_inflateInit2_ +# define inflateInit_ z_inflateInit_ +# define inflateMark z_inflateMark +# define inflatePrime z_inflatePrime +# define inflateReset z_inflateReset +# define inflateReset2 z_inflateReset2 +# define inflateResetKeep z_inflateResetKeep +# define inflateSetDictionary z_inflateSetDictionary +# define inflateSync z_inflateSync +# define inflateSyncPoint z_inflateSyncPoint +# define inflateUndermine z_inflateUndermine +# define inflateValidate z_inflateValidate +# define inflate_copyright z_inflate_copyright +# define inflate_fast z_inflate_fast +# define inflate_table z_inflate_table +# ifndef Z_SOLO +# define uncompress z_uncompress +# define uncompress2 z_uncompress2 +# endif +# define zError z_zError +# ifndef Z_SOLO +# define zcalloc z_zcalloc +# define zcfree z_zcfree +# endif +# define zlibCompileFlags z_zlibCompileFlags +# define zlibVersion z_zlibVersion + +/* all zlib typedefs in zlib.h and zconf.h */ +# define Byte z_Byte +# define Bytef z_Bytef +# define alloc_func z_alloc_func +# define charf z_charf +# define free_func z_free_func +# ifndef Z_SOLO +# define gzFile z_gzFile +# endif +# define gz_header z_gz_header +# define gz_headerp z_gz_headerp +# define in_func z_in_func +# define intf z_intf +# define out_func z_out_func +# define uInt z_uInt +# define uIntf z_uIntf +# define uLong z_uLong +# define uLongf z_uLongf +# define voidp z_voidp +# define voidpc z_voidpc +# define voidpf z_voidpf + +/* all zlib structs in zlib.h and zconf.h */ +# define gz_header_s z_gz_header_s +# define internal_state z_internal_state + +#endif + +#if defined(__MSDOS__) && !defined(MSDOS) +# define MSDOS +#endif +#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) +# define OS2 +#endif +#if defined(_WINDOWS) && !defined(WINDOWS) +# define WINDOWS +#endif +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif +#endif +#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) +# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) +# ifndef SYS16BIT +# define SYS16BIT +# endif +# endif +#endif + +/* + * Compile with -DMAXSEG_64K if the alloc function cannot allocate more + * than 64k bytes at a time (needed on systems with 16-bit int). + */ +#ifdef SYS16BIT +# define MAXSEG_64K +#endif +#ifdef MSDOS +# define UNALIGNED_OK +#endif + +#ifdef __STDC_VERSION__ +# ifndef STDC +# define STDC +# endif +# if __STDC_VERSION__ >= 199901L +# ifndef STDC99 +# define STDC99 +# endif +# endif +#endif +#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) +# define STDC +#endif +#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) +# define STDC +#endif +#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) +# define STDC +#endif +#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) +# define STDC +#endif + +#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ +# define STDC +#endif + +#ifndef STDC +# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ +# define const /* note: need a more gentle solution here */ +# endif +#endif + +#if defined(ZLIB_CONST) && !defined(z_const) +# define z_const const +#else +# define z_const +#endif + +#ifdef Z_SOLO +# ifdef _WIN64 + typedef unsigned long long z_size_t; +# else + typedef unsigned long z_size_t; +# endif +#else +# define z_longlong long long +# if defined(NO_SIZE_T) + typedef unsigned NO_SIZE_T z_size_t; +# elif defined(STDC) +# include <stddef.h> + typedef size_t z_size_t; +# else + typedef unsigned long z_size_t; +# endif +# undef z_longlong +#endif + +/* Maximum value for memLevel in deflateInit2 */ +#ifndef MAX_MEM_LEVEL +# ifdef MAXSEG_64K +# define MAX_MEM_LEVEL 8 +# else +# define MAX_MEM_LEVEL 9 +# endif +#endif + +/* Maximum value for windowBits in deflateInit2 and inflateInit2. + * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files + * created by gzip. (Files created by minigzip can still be extracted by + * gzip.) + */ +#ifndef MAX_WBITS +# define MAX_WBITS 15 /* 32K LZ77 window */ +#endif + +/* The memory requirements for deflate are (in bytes): + (1 << (windowBits+2)) + (1 << (memLevel+9)) + that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) + plus a few kilobytes for small objects. For example, if you want to reduce + the default memory requirements from 256K to 128K, compile with + make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" + Of course this will generally degrade compression (there's no free lunch). + + The memory requirements for inflate are (in bytes) 1 << windowBits + that is, 32K for windowBits=15 (default value) plus about 7 kilobytes + for small objects. +*/ + + /* Type declarations */ + +#ifndef OF /* function prototypes */ +# ifdef STDC +# define OF(args) args +# else +# define OF(args) () +# endif +#endif + +#ifndef Z_ARG /* function prototypes for stdarg */ +# if defined(STDC) || defined(Z_HAVE_STDARG_H) +# define Z_ARG(args) args +# else +# define Z_ARG(args) () +# endif +#endif + +/* The following definitions for FAR are needed only for MSDOS mixed + * model programming (small or medium model with some far allocations). + * This was tested only with MSC; for other MSDOS compilers you may have + * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, + * just define FAR to be empty. + */ +#ifdef SYS16BIT +# if defined(M_I86SM) || defined(M_I86MM) + /* MSC small or medium model */ +# define SMALL_MEDIUM +# ifdef _MSC_VER +# define FAR _far +# else +# define FAR far +# endif +# endif +# if (defined(__SMALL__) || defined(__MEDIUM__)) + /* Turbo C small or medium model */ +# define SMALL_MEDIUM +# ifdef __BORLANDC__ +# define FAR _far +# else +# define FAR far +# endif +# endif +#endif + +#if defined(WINDOWS) || defined(WIN32) + /* If building or using zlib as a DLL, define ZLIB_DLL. + * This is not mandatory, but it offers a little performance increase. + */ +# ifdef ZLIB_DLL +# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) +# ifdef ZLIB_INTERNAL +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +# endif +# endif /* ZLIB_DLL */ + /* If building or using zlib with the WINAPI/WINAPIV calling convention, + * define ZLIB_WINAPI. + * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. + */ +# ifdef ZLIB_WINAPI +# ifdef FAR +# undef FAR +# endif +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include <windows.h> + /* No need for _export, use ZLIB.DEF instead. */ + /* For complete Windows compatibility, use WINAPI, not __stdcall. */ +# define ZEXPORT WINAPI +# ifdef WIN32 +# define ZEXPORTVA WINAPIV +# else +# define ZEXPORTVA FAR CDECL +# endif +# endif +#endif + +#if defined (__BEOS__) +# ifdef ZLIB_DLL +# ifdef ZLIB_INTERNAL +# define ZEXPORT __declspec(dllexport) +# define ZEXPORTVA __declspec(dllexport) +# else +# define ZEXPORT __declspec(dllimport) +# define ZEXPORTVA __declspec(dllimport) +# endif +# endif +#endif + +#ifndef ZEXTERN +# define ZEXTERN extern +#endif +#ifndef ZEXPORT +# define ZEXPORT +#endif +#ifndef ZEXPORTVA +# define ZEXPORTVA +#endif + +#ifndef FAR +# define FAR +#endif + +#if !defined(__MACTYPES__) +typedef unsigned char Byte; /* 8 bits */ +#endif +typedef unsigned int uInt; /* 16 bits or more */ +typedef unsigned long uLong; /* 32 bits or more */ + +#ifdef SMALL_MEDIUM + /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ +# define Bytef Byte FAR +#else + typedef Byte FAR Bytef; +#endif +typedef char FAR charf; +typedef int FAR intf; +typedef uInt FAR uIntf; +typedef uLong FAR uLongf; + +#ifdef STDC + typedef void const *voidpc; + typedef void FAR *voidpf; + typedef void *voidp; +#else + typedef Byte const *voidpc; + typedef Byte FAR *voidpf; + typedef Byte *voidp; +#endif + +#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC) +# include <limits.h> +# if (UINT_MAX == 0xffffffffUL) +# define Z_U4 unsigned +# elif (ULONG_MAX == 0xffffffffUL) +# define Z_U4 unsigned long +# elif (USHRT_MAX == 0xffffffffUL) +# define Z_U4 unsigned short +# endif +#endif + +#ifdef Z_U4 + typedef Z_U4 z_crc_t; +#else + typedef unsigned long z_crc_t; +#endif + +#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_UNISTD_H +#endif + +#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */ +# define Z_HAVE_STDARG_H +#endif + +#ifdef STDC +# ifndef Z_SOLO +# include <sys/types.h> /* for off_t */ +# endif +#endif + +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +# include <stdarg.h> /* for va_list */ +# endif +#endif + +#ifdef _WIN32 +# ifndef Z_SOLO +# include <stddef.h> /* for wchar_t */ +# endif +#endif + +/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and + * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even + * though the former does not conform to the LFS document), but considering + * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as + * equivalently requesting no 64-bit operations + */ +#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1 +# undef _LARGEFILE64_SOURCE +#endif + +#ifndef Z_HAVE_UNISTD_H +# ifdef __WATCOMC__ +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_HAVE_UNISTD_H +# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32) +# define Z_HAVE_UNISTD_H +# endif +#endif +#ifndef Z_SOLO +# if defined(Z_HAVE_UNISTD_H) +# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */ +# ifdef VMS +# include <unixio.h> /* for off_t */ +# endif +# ifndef z_off_t +# define z_off_t off_t +# endif +# endif +#endif + +#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0 +# define Z_LFS64 +#endif + +#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64) +# define Z_LARGE64 +#endif + +#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64) +# define Z_WANT64 +#endif + +#if !defined(SEEK_SET) && !defined(Z_SOLO) +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif + +#ifndef z_off_t +# define z_off_t long +#endif + +#if !defined(_WIN32) && defined(Z_LARGE64) +# define z_off64_t off64_t +#else +# if defined(_WIN32) && !defined(__GNUC__) +# define z_off64_t __int64 +# else +# define z_off64_t z_off_t +# endif +#endif + +/* MVS linker does not support external names larger than 8 bytes */ +#if defined(__MVS__) + #pragma map(deflateInit_,"DEIN") + #pragma map(deflateInit2_,"DEIN2") + #pragma map(deflateEnd,"DEEND") + #pragma map(deflateBound,"DEBND") + #pragma map(inflateInit_,"ININ") + #pragma map(inflateInit2_,"ININ2") + #pragma map(inflateEnd,"INEND") + #pragma map(inflateSync,"INSY") + #pragma map(inflateSetDictionary,"INSEDI") + #pragma map(compressBound,"CMBND") + #pragma map(inflate_table,"INTABL") + #pragma map(inflate_fast,"INFA") + #pragma map(inflate_copyright,"INCOPY") +#endif + +#endif /* ZCONF_H */ diff --git a/lib/zlib/zlib.exp b/lib/zlib/zlib.exp new file mode 100644 index 0000000..8f43859 --- /dev/null +++ b/lib/zlib/zlib.exp @@ -0,0 +1,88 @@ +adler32 +adler32_combine +adler32_combine64 +adler32_z +compress +compress2 +compressBound +crc32 +crc32_combine +crc32_combine64 +crc32_combine_gen +crc32_combine_gen64 +crc32_combine_op +crc32_z +deflate +deflateBound +deflateCopy +deflateEnd +deflateGetDictionary +deflateInit2_ +deflateInit_ +deflateParams +deflatePending +deflatePrime +deflateReset +deflateResetKeep +deflateSetDictionary +deflateSetHeader +deflateTune +get_crc_table +gzbuffer +gzclearerr +gzclose +gzclose_r +gzclose_w +gzdirect +gzdopen +gzeof +gzerror +gzflush +gzfread +gzfwrite +gzgetc +gzgetc_ +gzgets +gzoffset +gzoffset64 +gzopen +gzopen64 +gzprintf +gzputc +gzputs +gzread +gzrewind +gzseek +gzseek64 +gzsetparams +gztell +gztell64 +gzungetc +gzvprintf +gzwrite +inflate +inflateBack +inflateBackEnd +inflateBackInit_ +inflateCodesUsed +inflateCopy +inflateEnd +inflateGetDictionary +inflateGetHeader +inflateInit2_ +inflateInit_ +inflateMark +inflatePrime +inflateReset +inflateReset2 +inflateResetKeep +inflateSetDictionary +inflateSync +inflateSyncPoint +inflateUndermine +inflateValidate +uncompress +uncompress2 +zError +zlibCompileFlags +zlibVersion diff --git a/lib/zlib/zlib.h b/lib/zlib/zlib.h new file mode 100644 index 0000000..6b7244f --- /dev/null +++ b/lib/zlib/zlib.h @@ -0,0 +1,1938 @@ +/* zlib.h -- interface of the 'zlib' general purpose compression library + version 1.3, August 18th, 2023 + + Copyright (C) 1995-2023 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu + + + The data format used by the zlib library is described by RFCs (Request for + Comments) 1950 to 1952 in the files http://tools.ietf.org/html/rfc1950 + (zlib format), rfc1951 (deflate format) and rfc1952 (gzip format). +*/ + +#ifndef ZLIB_H +#define ZLIB_H + +#include "zconf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZLIB_VERSION "1.3" +#define ZLIB_VERNUM 0x1300 +#define ZLIB_VER_MAJOR 1 +#define ZLIB_VER_MINOR 3 +#define ZLIB_VER_REVISION 0 +#define ZLIB_VER_SUBREVISION 0 + +/* + The 'zlib' compression library provides in-memory compression and + decompression functions, including integrity checks of the uncompressed data. + This version of the library supports only one compression method (deflation) + but other algorithms will be added later and will have the same stream + interface. + + Compression can be done in a single step if the buffers are large enough, + or can be done by repeated calls of the compression function. In the latter + case, the application must provide more input and/or consume the output + (providing more output space) before each call. + + The compressed data format used by default by the in-memory functions is + the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped + around a deflate stream, which is itself documented in RFC 1951. + + The library also supports reading and writing files in gzip (.gz) format + with an interface similar to that of stdio using the functions that start + with "gz". The gzip format is different from the zlib format. gzip is a + gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. + + This library can optionally read and write gzip and raw deflate streams in + memory as well. + + The zlib format was designed to be compact and fast for use in memory + and on communications channels. The gzip format was designed for single- + file compression on file systems, has a larger header than zlib to maintain + directory information, and uses a different, slower check method than zlib. + + The library does not install any signal handler. The decoder checks + the consistency of the compressed data, so the library should never crash + even in the case of corrupted input. +*/ + +typedef voidpf (*alloc_func)(voidpf opaque, uInt items, uInt size); +typedef void (*free_func)(voidpf opaque, voidpf address); + +struct internal_state; + +typedef struct z_stream_s { + z_const Bytef *next_in; /* next input byte */ + uInt avail_in; /* number of bytes available at next_in */ + uLong total_in; /* total number of input bytes read so far */ + + Bytef *next_out; /* next output byte will go here */ + uInt avail_out; /* remaining free space at next_out */ + uLong total_out; /* total number of bytes output so far */ + + z_const char *msg; /* last error message, NULL if no error */ + struct internal_state FAR *state; /* not visible by applications */ + + alloc_func zalloc; /* used to allocate the internal state */ + free_func zfree; /* used to free the internal state */ + voidpf opaque; /* private data object passed to zalloc and zfree */ + + int data_type; /* best guess about the data type: binary or text + for deflate, or the decoding state for inflate */ + uLong adler; /* Adler-32 or CRC-32 value of the uncompressed data */ + uLong reserved; /* reserved for future use */ +} z_stream; + +typedef z_stream FAR *z_streamp; + +/* + gzip header information passed to and from zlib routines. See RFC 1952 + for more details on the meanings of these fields. +*/ +typedef struct gz_header_s { + int text; /* true if compressed data believed to be text */ + uLong time; /* modification time */ + int xflags; /* extra flags (not used when writing a gzip file) */ + int os; /* operating system */ + Bytef *extra; /* pointer to extra field or Z_NULL if none */ + uInt extra_len; /* extra field length (valid if extra != Z_NULL) */ + uInt extra_max; /* space at extra (only when reading header) */ + Bytef *name; /* pointer to zero-terminated file name or Z_NULL */ + uInt name_max; /* space at name (only when reading header) */ + Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */ + uInt comm_max; /* space at comment (only when reading header) */ + int hcrc; /* true if there was or will be a header crc */ + int done; /* true when done reading gzip header (not used + when writing a gzip file) */ +} gz_header; + +typedef gz_header FAR *gz_headerp; + +/* + The application must update next_in and avail_in when avail_in has dropped + to zero. It must update next_out and avail_out when avail_out has dropped + to zero. The application must initialize zalloc, zfree and opaque before + calling the init function. All other fields are set by the compression + library and must not be updated by the application. + + The opaque value provided by the application will be passed as the first + parameter for calls of zalloc and zfree. This can be useful for custom + memory management. The compression library attaches no meaning to the + opaque value. + + zalloc must return Z_NULL if there is not enough memory for the object. + If zlib is used in a multi-threaded application, zalloc and zfree must be + thread safe. In that case, zlib is thread-safe. When zalloc and zfree are + Z_NULL on entry to the initialization function, they are set to internal + routines that use the standard library functions malloc() and free(). + + On 16-bit systems, the functions zalloc and zfree must be able to allocate + exactly 65536 bytes, but will not be required to allocate more than this if + the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, pointers + returned by zalloc for objects of exactly 65536 bytes *must* have their + offset normalized to zero. The default allocation function provided by this + library ensures this (see zutil.c). To reduce memory requirements and avoid + any allocation of 64K objects, at the expense of compression ratio, compile + the library with -DMAX_WBITS=14 (see zconf.h). + + The fields total_in and total_out can be used for statistics or progress + reports. After compression, total_in holds the total size of the + uncompressed data and may be saved for use by the decompressor (particularly + if the decompressor wants to decompress everything in a single step). +*/ + + /* constants */ + +#define Z_NO_FLUSH 0 +#define Z_PARTIAL_FLUSH 1 +#define Z_SYNC_FLUSH 2 +#define Z_FULL_FLUSH 3 +#define Z_FINISH 4 +#define Z_BLOCK 5 +#define Z_TREES 6 +/* Allowed flush values; see deflate() and inflate() below for details */ + +#define Z_OK 0 +#define Z_STREAM_END 1 +#define Z_NEED_DICT 2 +#define Z_ERRNO (-1) +#define Z_STREAM_ERROR (-2) +#define Z_DATA_ERROR (-3) +#define Z_MEM_ERROR (-4) +#define Z_BUF_ERROR (-5) +#define Z_VERSION_ERROR (-6) +/* Return codes for the compression/decompression functions. Negative values + * are errors, positive values are used for special but normal events. + */ + +#define Z_NO_COMPRESSION 0 +#define Z_BEST_SPEED 1 +#define Z_BEST_COMPRESSION 9 +#define Z_DEFAULT_COMPRESSION (-1) +/* compression levels */ + +#define Z_FILTERED 1 +#define Z_HUFFMAN_ONLY 2 +#define Z_RLE 3 +#define Z_FIXED 4 +#define Z_DEFAULT_STRATEGY 0 +/* compression strategy; see deflateInit2() below for details */ + +#define Z_BINARY 0 +#define Z_TEXT 1 +#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ +#define Z_UNKNOWN 2 +/* Possible values of the data_type field for deflate() */ + +#define Z_DEFLATED 8 +/* The deflate compression method (the only one supported in this version) */ + +#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */ + +#define zlib_version zlibVersion() +/* for compatibility with versions < 1.0.2 */ + + + /* basic functions */ + +ZEXTERN const char * ZEXPORT zlibVersion(void); +/* The application can compare zlibVersion and ZLIB_VERSION for consistency. + If the first character differs, the library code actually used is not + compatible with the zlib.h header file used by the application. This check + is automatically made by deflateInit and inflateInit. + */ + +/* +ZEXTERN int ZEXPORT deflateInit(z_streamp strm, int level); + + Initializes the internal stream state for compression. The fields + zalloc, zfree and opaque must be initialized before by the caller. If + zalloc and zfree are set to Z_NULL, deflateInit updates them to use default + allocation functions. total_in, total_out, adler, and msg are initialized. + + The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: + 1 gives best speed, 9 gives best compression, 0 gives no compression at all + (the input data is simply copied a block at a time). Z_DEFAULT_COMPRESSION + requests a default compromise between speed and compression (currently + equivalent to level 6). + + deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if level is not a valid compression level, or + Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible + with the version assumed by the caller (ZLIB_VERSION). msg is set to null + if there is no error message. deflateInit does not perform any compression: + this will be done by deflate(). +*/ + + +ZEXTERN int ZEXPORT deflate(z_streamp strm, int flush); +/* + deflate compresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce + some output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. deflate performs one or both of the + following actions: + + - Compress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in and avail_in are updated and + processing will resume at this point for the next call of deflate(). + + - Generate more output starting at next_out and update next_out and avail_out + accordingly. This action is forced if the parameter flush is non zero. + Forcing flush frequently degrades the compression ratio, so this parameter + should be set only when necessary. Some output may be provided even if + flush is zero. + + Before the call of deflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming more + output, and updating avail_in or avail_out accordingly; avail_out should + never be zero before the call. The application can consume the compressed + output when it wants, for example when the output buffer is full (avail_out + == 0), or after each call of deflate(). If deflate returns Z_OK and with + zero avail_out, it must be called again after making room in the output + buffer because there might be more output pending. See deflatePending(), + which can be used if desired to determine whether or not there is more output + in that case. + + Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to + decide how much data to accumulate before producing output, in order to + maximize compression. + + If the parameter flush is set to Z_SYNC_FLUSH, all pending output is + flushed to the output buffer and the output is aligned on a byte boundary, so + that the decompressor can get all input data available so far. (In + particular avail_in is zero after the call if enough output space has been + provided before the call.) Flushing may degrade compression for some + compression algorithms and so it should be used only when necessary. This + completes the current deflate block and follows it with an empty stored block + that is three bits plus filler bits to the next byte, followed by four bytes + (00 00 ff ff). + + If flush is set to Z_PARTIAL_FLUSH, all pending output is flushed to the + output buffer, but the output is not aligned to a byte boundary. All of the + input data so far will be available to the decompressor, as for Z_SYNC_FLUSH. + This completes the current deflate block and follows it with an empty fixed + codes block that is 10 bits long. This assures that enough bytes are output + in order for the decompressor to finish the block before the empty fixed + codes block. + + If flush is set to Z_BLOCK, a deflate block is completed and emitted, as + for Z_SYNC_FLUSH, but the output is not aligned on a byte boundary, and up to + seven bits of the current block are held to be written as the next byte after + the next deflate block is completed. In this case, the decompressor may not + be provided enough bits at this point in order to complete decompression of + the data provided so far to the compressor. It may need to wait for the next + block to be emitted. This is for advanced applications that need to control + the emission of deflate blocks. + + If flush is set to Z_FULL_FLUSH, all output is flushed as with + Z_SYNC_FLUSH, and the compression state is reset so that decompression can + restart from this point if previous compressed data has been damaged or if + random access is desired. Using Z_FULL_FLUSH too often can seriously degrade + compression. + + If deflate returns with avail_out == 0, this function must be called again + with the same value of the flush parameter and more output space (updated + avail_out), until the flush is complete (deflate returns with non-zero + avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that + avail_out is greater than six when the flush marker begins, in order to avoid + repeated flush markers upon calling deflate() again when avail_out == 0. + + If the parameter flush is set to Z_FINISH, pending input is processed, + pending output is flushed and deflate returns with Z_STREAM_END if there was + enough output space. If deflate returns with Z_OK or Z_BUF_ERROR, this + function must be called again with Z_FINISH and more output space (updated + avail_out) but no more input data, until it returns with Z_STREAM_END or an + error. After deflate has returned Z_STREAM_END, the only possible operations + on the stream are deflateReset or deflateEnd. + + Z_FINISH can be used in the first deflate call after deflateInit if all the + compression is to be done in a single step. In order to complete in one + call, avail_out must be at least the value returned by deflateBound (see + below). Then deflate is guaranteed to return Z_STREAM_END. If not enough + output space is provided, deflate will not return Z_STREAM_END, and it must + be called again as described above. + + deflate() sets strm->adler to the Adler-32 checksum of all input read + so far (that is, total_in bytes). If a gzip stream is being generated, then + strm->adler will be the CRC-32 checksum of the input read so far. (See + deflateInit2 below.) + + deflate() may update strm->data_type if it can make a good guess about + the input data type (Z_BINARY or Z_TEXT). If in doubt, the data is + considered binary. This field is only for information purposes and does not + affect the compression algorithm in any manner. + + deflate() returns Z_OK if some progress has been made (more input + processed or more output produced), Z_STREAM_END if all input has been + consumed and all output has been produced (only when flush is set to + Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example + if next_in or next_out was Z_NULL or the state was inadvertently written over + by the application), or Z_BUF_ERROR if no progress is possible (for example + avail_in or avail_out was zero). Note that Z_BUF_ERROR is not fatal, and + deflate() can be called again with more input and more output space to + continue compressing. +*/ + + +ZEXTERN int ZEXPORT deflateEnd(z_streamp strm); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any pending + output. + + deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the + stream state was inconsistent, Z_DATA_ERROR if the stream was freed + prematurely (some input or output was discarded). In the error case, msg + may be set but then points to a static string (which must not be + deallocated). +*/ + + +/* +ZEXTERN int ZEXPORT inflateInit(z_streamp strm); + + Initializes the internal stream state for decompression. The fields + next_in, avail_in, zalloc, zfree and opaque must be initialized before by + the caller. In the current version of inflate, the provided input is not + read or consumed. The allocation of a sliding window will be deferred to + the first call of inflate (if the decompression does not complete on the + first call). If zalloc and zfree are set to Z_NULL, inflateInit updates + them to use default allocation functions. total_in, total_out, adler, and + msg are initialized. + + inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller, or Z_STREAM_ERROR if the parameters are + invalid, such as a null pointer to the structure. msg is set to null if + there is no error message. inflateInit does not perform any decompression. + Actual decompression will be done by inflate(). So next_in, and avail_in, + next_out, and avail_out are unused and unchanged. The current + implementation of inflateInit() does not process any header information -- + that is deferred until inflate() is called. +*/ + + +ZEXTERN int ZEXPORT inflate(z_streamp strm, int flush); +/* + inflate decompresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce + some output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. inflate performs one or both of the + following actions: + + - Decompress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), then next_in and avail_in are updated + accordingly, and processing will resume at this point for the next call of + inflate(). + + - Generate more output starting at next_out and update next_out and avail_out + accordingly. inflate() provides as much output as possible, until there is + no more input data or no more space in the output buffer (see below about + the flush parameter). + + Before the call of inflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming more + output, and updating the next_* and avail_* values accordingly. If the + caller of inflate() does not provide both available input and available + output space, it is possible that there will be no progress made. The + application can consume the uncompressed output when it wants, for example + when the output buffer is full (avail_out == 0), or after each call of + inflate(). If inflate returns Z_OK and with zero avail_out, it must be + called again after making room in the output buffer because there might be + more output pending. + + The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, Z_FINISH, + Z_BLOCK, or Z_TREES. Z_SYNC_FLUSH requests that inflate() flush as much + output as possible to the output buffer. Z_BLOCK requests that inflate() + stop if and when it gets to the next deflate block boundary. When decoding + the zlib or gzip format, this will cause inflate() to return immediately + after the header and before the first block. When doing a raw inflate, + inflate() will go ahead and process the first block, and will return when it + gets to the end of that block, or when it runs out of data. + + The Z_BLOCK option assists in appending to or combining deflate streams. + To assist in this, on return inflate() always sets strm->data_type to the + number of unused bits in the last byte taken from strm->next_in, plus 64 if + inflate() is currently decoding the last block in the deflate stream, plus + 128 if inflate() returned immediately after decoding an end-of-block code or + decoding the complete header up to just before the first byte of the deflate + stream. The end-of-block will not be indicated until all of the uncompressed + data from that block has been written to strm->next_out. The number of + unused bits may in general be greater than seven, except when bit 7 of + data_type is set, in which case the number of unused bits will be less than + eight. data_type is set as noted here every time inflate() returns for all + flush options, and so can be used to determine the amount of currently + consumed input in bits. + + The Z_TREES option behaves as Z_BLOCK does, but it also returns when the + end of each deflate block header is reached, before any actual data in that + block is decoded. This allows the caller to determine the length of the + deflate block header for later use in random access within a deflate block. + 256 is added to the value of strm->data_type when inflate() returns + immediately after reaching the end of the deflate block header. + + inflate() should normally be called until it returns Z_STREAM_END or an + error. However if all decompression is to be performed in a single step (a + single call of inflate), the parameter flush should be set to Z_FINISH. In + this case all pending input is processed and all pending output is flushed; + avail_out must be large enough to hold all of the uncompressed data for the + operation to complete. (The size of the uncompressed data may have been + saved by the compressor for this purpose.) The use of Z_FINISH is not + required to perform an inflation in one step. However it may be used to + inform inflate that a faster approach can be used for the single inflate() + call. Z_FINISH also informs inflate to not maintain a sliding window if the + stream completes, which reduces inflate's memory footprint. If the stream + does not complete, either because not all of the stream is provided or not + enough output space is provided, then a sliding window will be allocated and + inflate() can be called again to continue the operation as if Z_NO_FLUSH had + been used. + + In this implementation, inflate() always flushes as much output as + possible to the output buffer, and always uses the faster approach on the + first call. So the effects of the flush parameter in this implementation are + on the return value of inflate() as noted below, when inflate() returns early + when Z_BLOCK or Z_TREES is used, and when inflate() avoids the allocation of + memory for a sliding window when Z_FINISH is used. + + If a preset dictionary is needed after this call (see inflateSetDictionary + below), inflate sets strm->adler to the Adler-32 checksum of the dictionary + chosen by the compressor and returns Z_NEED_DICT; otherwise it sets + strm->adler to the Adler-32 checksum of all output produced so far (that is, + total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described + below. At the end of the stream, inflate() checks that its computed Adler-32 + checksum is equal to that saved by the compressor and returns Z_STREAM_END + only if the checksum is correct. + + inflate() can decompress and check either zlib-wrapped or gzip-wrapped + deflate data. The header type is detected automatically, if requested when + initializing with inflateInit2(). Any information contained in the gzip + header is not retained unless inflateGetHeader() is used. When processing + gzip-wrapped deflate data, strm->adler32 is set to the CRC-32 of the output + produced so far. The CRC-32 is checked against the gzip trailer, as is the + uncompressed length, modulo 2^32. + + inflate() returns Z_OK if some progress has been made (more input processed + or more output produced), Z_STREAM_END if the end of the compressed data has + been reached and all uncompressed output has been produced, Z_NEED_DICT if a + preset dictionary is needed at this point, Z_DATA_ERROR if the input data was + corrupted (input stream not conforming to the zlib format or incorrect check + value, in which case strm->msg points to a string with a more specific + error), Z_STREAM_ERROR if the stream structure was inconsistent (for example + next_in or next_out was Z_NULL, or the state was inadvertently written over + by the application), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR + if no progress was possible or if there was not enough room in the output + buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and + inflate() can be called again with more input and more output space to + continue decompressing. If Z_DATA_ERROR is returned, the application may + then call inflateSync() to look for a good compression block if a partial + recovery of the data is to be attempted. +*/ + + +ZEXTERN int ZEXPORT inflateEnd(z_streamp strm); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any pending + output. + + inflateEnd returns Z_OK if success, or Z_STREAM_ERROR if the stream state + was inconsistent. +*/ + + + /* Advanced functions */ + +/* + The following functions are needed only in some special applications. +*/ + +/* +ZEXTERN int ZEXPORT deflateInit2(z_streamp strm, + int level, + int method, + int windowBits, + int memLevel, + int strategy); + + This is another version of deflateInit with more compression options. The + fields zalloc, zfree and opaque must be initialized before by the caller. + + The method parameter is the compression method. It must be Z_DEFLATED in + this version of the library. + + The windowBits parameter is the base two logarithm of the window size + (the size of the history buffer). It should be in the range 8..15 for this + version of the library. Larger values of this parameter result in better + compression at the expense of memory usage. The default value is 15 if + deflateInit is used instead. + + For the current implementation of deflate(), a windowBits value of 8 (a + window size of 256 bytes) is not supported. As a result, a request for 8 + will result in 9 (a 512-byte window). In that case, providing 8 to + inflateInit2() will result in an error when the zlib header with 9 is + checked against the initialization of inflate(). The remedy is to not use 8 + with deflateInit2() with this initialization, or at least in that case use 9 + with inflateInit2(). + + windowBits can also be -8..-15 for raw deflate. In this case, -windowBits + determines the window size. deflate() will then generate raw deflate data + with no zlib header or trailer, and will not compute a check value. + + windowBits can also be greater than 15 for optional gzip encoding. Add + 16 to windowBits to write a simple gzip header and trailer around the + compressed data instead of a zlib wrapper. The gzip header will have no + file name, no extra data, no comment, no modification time (set to zero), no + header crc, and the operating system will be set to the appropriate value, + if the operating system was determined at compile time. If a gzip stream is + being written, strm->adler is a CRC-32 instead of an Adler-32. + + For raw deflate or gzip encoding, a request for a 256-byte window is + rejected as invalid, since only the zlib header provides a means of + transmitting the window size to the decompressor. + + The memLevel parameter specifies how much memory should be allocated + for the internal compression state. memLevel=1 uses minimum memory but is + slow and reduces compression ratio; memLevel=9 uses maximum memory for + optimal speed. The default value is 8. See zconf.h for total memory usage + as a function of windowBits and memLevel. + + The strategy parameter is used to tune the compression algorithm. Use the + value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a + filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no + string match), or Z_RLE to limit match distances to one (run-length + encoding). Filtered data consists mostly of small values with a somewhat + random distribution. In this case, the compression algorithm is tuned to + compress them better. The effect of Z_FILTERED is to force more Huffman + coding and less string matching; it is somewhat intermediate between + Z_DEFAULT_STRATEGY and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as + fast as Z_HUFFMAN_ONLY, but give better compression for PNG image data. The + strategy parameter only affects the compression ratio but not the + correctness of the compressed output even if it is not set appropriately. + Z_FIXED prevents the use of dynamic Huffman codes, allowing for a simpler + decoder for special applications. + + deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if any parameter is invalid (such as an invalid + method), or Z_VERSION_ERROR if the zlib library version (zlib_version) is + incompatible with the version assumed by the caller (ZLIB_VERSION). msg is + set to null if there is no error message. deflateInit2 does not perform any + compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateSetDictionary(z_streamp strm, + const Bytef *dictionary, + uInt dictLength); +/* + Initializes the compression dictionary from the given byte sequence + without producing any compressed output. When using the zlib format, this + function must be called immediately after deflateInit, deflateInit2 or + deflateReset, and before any call of deflate. When doing raw deflate, this + function must be called either before any call of deflate, or immediately + after the completion of a deflate block, i.e. after all input has been + consumed and all output has been delivered when using any of the flush + options Z_BLOCK, Z_PARTIAL_FLUSH, Z_SYNC_FLUSH, or Z_FULL_FLUSH. The + compressor and decompressor must use exactly the same dictionary (see + inflateSetDictionary). + + The dictionary should consist of strings (byte sequences) that are likely + to be encountered later in the data to be compressed, with the most commonly + used strings preferably put towards the end of the dictionary. Using a + dictionary is most useful when the data to be compressed is short and can be + predicted with good accuracy; the data can then be compressed better than + with the default empty dictionary. + + Depending on the size of the compression data structures selected by + deflateInit or deflateInit2, a part of the dictionary may in effect be + discarded, for example if the dictionary is larger than the window size + provided in deflateInit or deflateInit2. Thus the strings most likely to be + useful should be put at the end of the dictionary, not at the front. In + addition, the current implementation of deflate will use at most the window + size minus 262 bytes of the provided dictionary. + + Upon return of this function, strm->adler is set to the Adler-32 value + of the dictionary; the decompressor may later use this value to determine + which dictionary has been used by the compressor. (The Adler-32 value + applies to the whole dictionary even if only a subset of the dictionary is + actually used by the compressor.) If a raw deflate was requested, then the + Adler-32 value is not computed and strm->adler is not set. + + deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a + parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is + inconsistent (for example if deflate has already been called for this stream + or if not at a block boundary for raw deflate). deflateSetDictionary does + not perform any compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateGetDictionary(z_streamp strm, + Bytef *dictionary, + uInt *dictLength); +/* + Returns the sliding dictionary being maintained by deflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If deflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similarly, if dictLength is Z_NULL, then it is not set. + + deflateGetDictionary() may return a length less than the window size, even + when more than the window size in input has been provided. It may return up + to 258 bytes less in that case, due to how zlib's implementation of deflate + manages the sliding window and lookahead for matches, where matches can be + up to 258 bytes long. If the application needs the last window-size bytes of + input, then that would need to be saved by the application outside of zlib. + + deflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + +ZEXTERN int ZEXPORT deflateCopy(z_streamp dest, + z_streamp source); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when several compression strategies will be + tried, for example when there are several ways of pre-processing the input + data with a filter. The streams that will be discarded should then be freed + by calling deflateEnd. Note that deflateCopy duplicates the internal + compression state which can be quite large, so this strategy is slow and can + consume lots of memory. + + deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being Z_NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT deflateReset(z_streamp strm); +/* + This function is equivalent to deflateEnd followed by deflateInit, but + does not free and reallocate the internal compression state. The stream + will leave the compression level and any other attributes that may have been + set unchanged. total_in, total_out, adler, and msg are initialized. + + deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL). +*/ + +ZEXTERN int ZEXPORT deflateParams(z_streamp strm, + int level, + int strategy); +/* + Dynamically update the compression level and compression strategy. The + interpretation of level and strategy is as in deflateInit2(). This can be + used to switch between compression and straight copy of the input data, or + to switch to a different kind of input data requiring a different strategy. + If the compression approach (which is a function of the level) or the + strategy is changed, and if there have been any deflate() calls since the + state was initialized or reset, then the input available so far is + compressed with the old level and strategy using deflate(strm, Z_BLOCK). + There are three approaches for the compression levels 0, 1..3, and 4..9 + respectively. The new level and strategy will take effect at the next call + of deflate(). + + If a deflate(strm, Z_BLOCK) is performed by deflateParams(), and it does + not have enough output space to complete, then the parameter change will not + take effect. In this case, deflateParams() can be called again with the + same parameters and more output space to try again. + + In order to assure a change in the parameters on the first try, the + deflate stream should be flushed using deflate() with Z_BLOCK or other flush + request until strm.avail_out is not zero, before calling deflateParams(). + Then no more input data should be provided before the deflateParams() call. + If this is done, the old level and strategy will be applied to the data + compressed before deflateParams(), and the new level and strategy will be + applied to the data compressed after deflateParams(). + + deflateParams returns Z_OK on success, Z_STREAM_ERROR if the source stream + state was inconsistent or if a parameter was invalid, or Z_BUF_ERROR if + there was not enough output space to complete the compression of the + available input data before a change in the strategy or approach. Note that + in the case of a Z_BUF_ERROR, the parameters are not changed. A return + value of Z_BUF_ERROR is not fatal, in which case deflateParams() can be + retried with more output space. +*/ + +ZEXTERN int ZEXPORT deflateTune(z_streamp strm, + int good_length, + int max_lazy, + int nice_length, + int max_chain); +/* + Fine tune deflate's internal compression parameters. This should only be + used by someone who understands the algorithm used by zlib's deflate for + searching for the best matching string, and even then only by the most + fanatic optimizer trying to squeeze out the last compressed bit for their + specific input data. Read the deflate.c source code for the meaning of the + max_lazy, good_length, nice_length, and max_chain parameters. + + deflateTune() can be called after deflateInit() or deflateInit2(), and + returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. + */ + +ZEXTERN uLong ZEXPORT deflateBound(z_streamp strm, + uLong sourceLen); +/* + deflateBound() returns an upper bound on the compressed size after + deflation of sourceLen bytes. It must be called after deflateInit() or + deflateInit2(), and after deflateSetHeader(), if used. This would be used + to allocate an output buffer for deflation in a single pass, and so would be + called before deflate(). If that first deflate() call is provided the + sourceLen input bytes, an output buffer allocated to the size returned by + deflateBound(), and the flush value Z_FINISH, then deflate() is guaranteed + to return Z_STREAM_END. Note that it is possible for the compressed size to + be larger than the value returned by deflateBound() if flush options other + than Z_FINISH or Z_NO_FLUSH are used. +*/ + +ZEXTERN int ZEXPORT deflatePending(z_streamp strm, + unsigned *pending, + int *bits); +/* + deflatePending() returns the number of bytes and bits of output that have + been generated, but not yet provided in the available output. The bytes not + provided would be due to the available output space having being consumed. + The number of bits of output not provided are between 0 and 7, where they + await more bits to join them in order to fill out a full byte. If pending + or bits are Z_NULL, then those values are not set. + + deflatePending returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. + */ + +ZEXTERN int ZEXPORT deflatePrime(z_streamp strm, + int bits, + int value); +/* + deflatePrime() inserts bits in the deflate output stream. The intent + is that this function is used to start off the deflate output with the bits + leftover from a previous deflate stream when appending to it. As such, this + function can only be used for raw deflate, and must be used before the first + deflate() call after a deflateInit2() or deflateReset(). bits must be less + than or equal to 16, and that many of the least significant bits of value + will be inserted in the output. + + deflatePrime returns Z_OK if success, Z_BUF_ERROR if there was not enough + room in the internal buffer to insert the bits, or Z_STREAM_ERROR if the + source stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT deflateSetHeader(z_streamp strm, + gz_headerp head); +/* + deflateSetHeader() provides gzip header information for when a gzip + stream is requested by deflateInit2(). deflateSetHeader() may be called + after deflateInit2() or deflateReset() and before the first call of + deflate(). The text, time, os, extra field, name, and comment information + in the provided gz_header structure are written to the gzip header (xflag is + ignored -- the extra flags are set according to the compression level). The + caller must assure that, if not Z_NULL, name and comment are terminated with + a zero byte, and that if extra is not Z_NULL, that extra_len bytes are + available there. If hcrc is true, a gzip header crc is included. Note that + the current versions of the command-line version of gzip (up through version + 1.3.x) do not support header crc's, and will report that it is a "multi-part + gzip file" and give up. + + If deflateSetHeader is not used, the default gzip header has text false, + the time set to zero, and os set to the current operating system, with no + extra, name, or comment fields. The gzip header is returned to the default + state by deflateReset(). + + deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateInit2(z_streamp strm, + int windowBits); + + This is another version of inflateInit with an extra parameter. The + fields next_in, avail_in, zalloc, zfree and opaque must be initialized + before by the caller. + + The windowBits parameter is the base two logarithm of the maximum window + size (the size of the history buffer). It should be in the range 8..15 for + this version of the library. The default value is 15 if inflateInit is used + instead. windowBits must be greater than or equal to the windowBits value + provided to deflateInit2() while compressing, or it must be equal to 15 if + deflateInit2() was not used. If a compressed stream with a larger window + size is given as input, inflate() will return with the error code + Z_DATA_ERROR instead of trying to allocate a larger window. + + windowBits can also be zero to request that inflate use the window size in + the zlib header of the compressed stream. + + windowBits can also be -8..-15 for raw inflate. In this case, -windowBits + determines the window size. inflate() will then process raw deflate data, + not looking for a zlib or gzip header, not generating a check value, and not + looking for any check values for comparison at the end of the stream. This + is for use with other formats that use the deflate compressed data format + such as zip. Those formats provide their own check values. If a custom + format is developed using the raw deflate format for compressed data, it is + recommended that a check value such as an Adler-32 or a CRC-32 be applied to + the uncompressed data as is done in the zlib, gzip, and zip formats. For + most applications, the zlib format should be used as is. Note that comments + above on the use in deflateInit2() applies to the magnitude of windowBits. + + windowBits can also be greater than 15 for optional gzip decoding. Add + 32 to windowBits to enable zlib and gzip decoding with automatic header + detection, or add 16 to decode only the gzip format (the zlib format will + return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a + CRC-32 instead of an Adler-32. Unlike the gunzip utility and gzread() (see + below), inflate() will *not* automatically decode concatenated gzip members. + inflate() will return Z_STREAM_END at the end of the gzip member. The state + would need to be reset to continue decoding a subsequent gzip member. This + *must* be done if there is more data after a gzip member, in order for the + decompression to be compliant with the gzip standard (RFC 1952). + + inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller, or Z_STREAM_ERROR if the parameters are + invalid, such as a null pointer to the structure. msg is set to null if + there is no error message. inflateInit2 does not perform any decompression + apart from possibly reading the zlib header if present: actual decompression + will be done by inflate(). (So next_in and avail_in may be modified, but + next_out and avail_out are unused and unchanged.) The current implementation + of inflateInit2() does not process any header information -- that is + deferred until inflate() is called. +*/ + +ZEXTERN int ZEXPORT inflateSetDictionary(z_streamp strm, + const Bytef *dictionary, + uInt dictLength); +/* + Initializes the decompression dictionary from the given uncompressed byte + sequence. This function must be called immediately after a call of inflate, + if that call returned Z_NEED_DICT. The dictionary chosen by the compressor + can be determined from the Adler-32 value returned by that call of inflate. + The compressor and decompressor must use exactly the same dictionary (see + deflateSetDictionary). For raw inflate, this function can be called at any + time to set the dictionary. If the provided dictionary is smaller than the + window and there is already data in the window, then the provided dictionary + will amend what's there. The application must insure that the dictionary + that was used for compression is provided. + + inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a + parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is + inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the + expected one (incorrect Adler-32 value). inflateSetDictionary does not + perform any decompression: this will be done by subsequent calls of + inflate(). +*/ + +ZEXTERN int ZEXPORT inflateGetDictionary(z_streamp strm, + Bytef *dictionary, + uInt *dictLength); +/* + Returns the sliding dictionary being maintained by inflate. dictLength is + set to the number of bytes in the dictionary, and that many bytes are copied + to dictionary. dictionary must have enough space, where 32768 bytes is + always enough. If inflateGetDictionary() is called with dictionary equal to + Z_NULL, then only the dictionary length is returned, and nothing is copied. + Similarly, if dictLength is Z_NULL, then it is not set. + + inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the + stream state is inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateSync(z_streamp strm); +/* + Skips invalid compressed data until a possible full flush point (see above + for the description of deflate with Z_FULL_FLUSH) can be found, or until all + available input is skipped. No output is provided. + + inflateSync searches for a 00 00 FF FF pattern in the compressed data. + All full flush points have this pattern, but not all occurrences of this + pattern are full flush points. + + inflateSync returns Z_OK if a possible full flush point has been found, + Z_BUF_ERROR if no more input was provided, Z_DATA_ERROR if no flush point + has been found, or Z_STREAM_ERROR if the stream structure was inconsistent. + In the success case, the application may save the current current value of + total_in which indicates where valid compressed data was found. In the + error case, the application may repeatedly call inflateSync, providing more + input each time, until success or end of the input data. +*/ + +ZEXTERN int ZEXPORT inflateCopy(z_streamp dest, + z_streamp source); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when randomly accessing a large stream. The + first pass through the stream can periodically record the inflate state, + allowing restarting inflate at those points when randomly accessing the + stream. + + inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being Z_NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT inflateReset(z_streamp strm); +/* + This function is equivalent to inflateEnd followed by inflateInit, + but does not free and reallocate the internal decompression state. The + stream will keep attributes that may have been set by inflateInit2. + total_in, total_out, adler, and msg are initialized. + + inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL). +*/ + +ZEXTERN int ZEXPORT inflateReset2(z_streamp strm, + int windowBits); +/* + This function is the same as inflateReset, but it also permits changing + the wrap and window size requests. The windowBits parameter is interpreted + the same as it is for inflateInit2. If the window size is changed, then the + memory allocated for the window is freed, and the window will be reallocated + by inflate() if needed. + + inflateReset2 returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being Z_NULL), or if + the windowBits parameter is invalid. +*/ + +ZEXTERN int ZEXPORT inflatePrime(z_streamp strm, + int bits, + int value); +/* + This function inserts bits in the inflate input stream. The intent is + that this function is used to start inflating at a bit position in the + middle of a byte. The provided bits will be used before any bytes are used + from next_in. This function should only be used with raw inflate, and + should be used before the first inflate() call after inflateInit2() or + inflateReset(). bits must be less than or equal to 16, and that many of the + least significant bits of value will be inserted in the input. + + If bits is negative, then the input stream bit buffer is emptied. Then + inflatePrime() can be called again to put bits in the buffer. This is used + to clear out bits leftover after feeding inflate a block description prior + to feeding inflate codes. + + inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +ZEXTERN long ZEXPORT inflateMark(z_streamp strm); +/* + This function returns two values, one in the lower 16 bits of the return + value, and the other in the remaining upper bits, obtained by shifting the + return value down 16 bits. If the upper value is -1 and the lower value is + zero, then inflate() is currently decoding information outside of a block. + If the upper value is -1 and the lower value is non-zero, then inflate is in + the middle of a stored block, with the lower value equaling the number of + bytes from the input remaining to copy. If the upper value is not -1, then + it is the number of bits back from the current bit position in the input of + the code (literal or length/distance pair) currently being processed. In + that case the lower value is the number of bytes already emitted for that + code. + + A code is being processed if inflate is waiting for more input to complete + decoding of the code, or if it has completed decoding but is waiting for + more output space to write the literal or match data. + + inflateMark() is used to mark locations in the input data for random + access, which may be at bit positions, and to note those cases where the + output of a code may span boundaries of random access blocks. The current + location in the input stream can be determined from avail_in and data_type + as noted in the description for the Z_BLOCK flush parameter for inflate. + + inflateMark returns the value noted above, or -65536 if the provided + source stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateGetHeader(z_streamp strm, + gz_headerp head); +/* + inflateGetHeader() requests that gzip header information be stored in the + provided gz_header structure. inflateGetHeader() may be called after + inflateInit2() or inflateReset(), and before the first call of inflate(). + As inflate() processes the gzip stream, head->done is zero until the header + is completed, at which time head->done is set to one. If a zlib stream is + being decoded, then head->done is set to -1 to indicate that there will be + no gzip header information forthcoming. Note that Z_BLOCK or Z_TREES can be + used to force inflate() to return immediately after header processing is + complete and before any actual data is decompressed. + + The text, time, xflags, and os fields are filled in with the gzip header + contents. hcrc is set to true if there is a header CRC. (The header CRC + was valid if done is set to one.) If extra is not Z_NULL, then extra_max + contains the maximum number of bytes to write to extra. Once done is true, + extra_len contains the actual extra field length, and extra contains the + extra field, or that field truncated if extra_max is less than extra_len. + If name is not Z_NULL, then up to name_max characters are written there, + terminated with a zero unless the length is greater than name_max. If + comment is not Z_NULL, then up to comm_max characters are written there, + terminated with a zero unless the length is greater than comm_max. When any + of extra, name, or comment are not Z_NULL and the respective field is not + present in the header, then that field is set to Z_NULL to signal its + absence. This allows the use of deflateSetHeader() with the returned + structure to duplicate the header. However if those fields are set to + allocated memory, then the application will need to save those pointers + elsewhere so that they can be eventually freed. + + If inflateGetHeader is not used, then the header information is simply + discarded. The header is always checked for validity, including the header + CRC if present. inflateReset() will reset the process to discard the header + information. The application would need to call inflateGetHeader() again to + retrieve the header from the next gzip stream. + + inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateBackInit(z_streamp strm, int windowBits, + unsigned char FAR *window); + + Initialize the internal stream state for decompression using inflateBack() + calls. The fields zalloc, zfree and opaque in strm must be initialized + before the call. If zalloc and zfree are Z_NULL, then the default library- + derived memory allocation routines are used. windowBits is the base two + logarithm of the window size, in the range 8..15. window is a caller + supplied buffer of that size. Except for special applications where it is + assured that deflate was used with small window sizes, windowBits must be 15 + and a 32K byte window must be supplied to be able to decompress general + deflate streams. + + See inflateBack() for the usage of these routines. + + inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of + the parameters are invalid, Z_MEM_ERROR if the internal state could not be + allocated, or Z_VERSION_ERROR if the version of the library does not match + the version of the header file. +*/ + +typedef unsigned (*in_func)(void FAR *, + z_const unsigned char FAR * FAR *); +typedef int (*out_func)(void FAR *, unsigned char FAR *, unsigned); + +ZEXTERN int ZEXPORT inflateBack(z_streamp strm, + in_func in, void FAR *in_desc, + out_func out, void FAR *out_desc); +/* + inflateBack() does a raw inflate with a single call using a call-back + interface for input and output. This is potentially more efficient than + inflate() for file i/o applications, in that it avoids copying between the + output and the sliding window by simply making the window itself the output + buffer. inflate() can be faster on modern CPUs when used with large + buffers. inflateBack() trusts the application to not change the output + buffer passed by the output function, at least until inflateBack() returns. + + inflateBackInit() must be called first to allocate the internal state + and to initialize the state with the user-provided window buffer. + inflateBack() may then be used multiple times to inflate a complete, raw + deflate stream with each call. inflateBackEnd() is then called to free the + allocated state. + + A raw deflate stream is one with no zlib or gzip header or trailer. + This routine would normally be used in a utility that reads zip or gzip + files and writes out uncompressed files. The utility would decode the + header and process the trailer on its own, hence this routine expects only + the raw deflate stream to decompress. This is different from the default + behavior of inflate(), which expects a zlib header and trailer around the + deflate stream. + + inflateBack() uses two subroutines supplied by the caller that are then + called by inflateBack() for input and output. inflateBack() calls those + routines until it reads a complete deflate stream and writes out all of the + uncompressed data, or until it encounters an error. The function's + parameters and return types are defined above in the in_func and out_func + typedefs. inflateBack() will call in(in_desc, &buf) which should return the + number of bytes of provided input, and a pointer to that input in buf. If + there is no input available, in() must return zero -- buf is ignored in that + case -- and inflateBack() will return a buffer error. inflateBack() will + call out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. + out() should return zero on success, or non-zero on failure. If out() + returns non-zero, inflateBack() will return with an error. Neither in() nor + out() are permitted to change the contents of the window provided to + inflateBackInit(), which is also the buffer that out() uses to write from. + The length written by out() will be at most the window size. Any non-zero + amount of input may be provided by in(). + + For convenience, inflateBack() can be provided input on the first call by + setting strm->next_in and strm->avail_in. If that input is exhausted, then + in() will be called. Therefore strm->next_in must be initialized before + calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called + immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in + must also be initialized, and then if strm->avail_in is not zero, input will + initially be taken from strm->next_in[0 .. strm->avail_in - 1]. + + The in_desc and out_desc parameters of inflateBack() is passed as the + first parameter of in() and out() respectively when they are called. These + descriptors can be optionally used to pass any information that the caller- + supplied in() and out() functions need to do their job. + + On return, inflateBack() will set strm->next_in and strm->avail_in to + pass back any unused input that was provided by the last in() call. The + return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR + if in() or out() returned an error, Z_DATA_ERROR if there was a format error + in the deflate stream (in which case strm->msg is set to indicate the nature + of the error), or Z_STREAM_ERROR if the stream was not properly initialized. + In the case of Z_BUF_ERROR, an input or output error can be distinguished + using strm->next_in which will be Z_NULL only if in() returned an error. If + strm->next_in is not Z_NULL, then the Z_BUF_ERROR was due to out() returning + non-zero. (in() will always be called before out(), so strm->next_in is + assured to be defined if out() returns non-zero.) Note that inflateBack() + cannot return Z_OK. +*/ + +ZEXTERN int ZEXPORT inflateBackEnd(z_streamp strm); +/* + All memory allocated by inflateBackInit() is freed. + + inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream + state was inconsistent. +*/ + +ZEXTERN uLong ZEXPORT zlibCompileFlags(void); +/* Return flags indicating compile-time options. + + Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other: + 1.0: size of uInt + 3.2: size of uLong + 5.4: size of voidpf (pointer) + 7.6: size of z_off_t + + Compiler, assembler, and debug options: + 8: ZLIB_DEBUG + 9: ASMV or ASMINF -- use ASM code + 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention + 11: 0 (reserved) + + One-time table building (smaller code, but not thread-safe if true): + 12: BUILDFIXED -- build static block decoding tables when needed + 13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed + 14,15: 0 (reserved) + + Library content (indicates missing functionality): + 16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking + deflate code when not needed) + 17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect + and decode gzip streams (to avoid linking crc code) + 18-19: 0 (reserved) + + Operation variations (changes in library functionality): + 20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate + 21: FASTEST -- deflate algorithm with only one, lowest compression level + 22,23: 0 (reserved) + + The sprintf variant used by gzprintf (zero is best): + 24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format + 25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure! + 26: 0 = returns value, 1 = void -- 1 means inferred string length returned + + Remainder: + 27-31: 0 (reserved) + */ + +#ifndef Z_SOLO + + /* utility functions */ + +/* + The following utility functions are implemented on top of the basic + stream-oriented functions. To simplify the interface, some default options + are assumed (compression level and memory usage, standard memory allocation + functions). The source code of these utility functions can be modified if + you need special options. +*/ + +ZEXTERN int ZEXPORT compress(Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen); +/* + Compresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total size + of the destination buffer, which must be at least the value returned by + compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed data. compress() is equivalent to compress2() with a level + parameter of Z_DEFAULT_COMPRESSION. + + compress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer. +*/ + +ZEXTERN int ZEXPORT compress2(Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen, + int level); +/* + Compresses the source buffer into the destination buffer. The level + parameter has the same meaning as in deflateInit. sourceLen is the byte + length of the source buffer. Upon entry, destLen is the total size of the + destination buffer, which must be at least the value returned by + compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed data. + + compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, + Z_STREAM_ERROR if the level parameter is invalid. +*/ + +ZEXTERN uLong ZEXPORT compressBound(uLong sourceLen); +/* + compressBound() returns an upper bound on the compressed size after + compress() or compress2() on sourceLen bytes. It would be used before a + compress() or compress2() call to allocate the destination buffer. +*/ + +ZEXTERN int ZEXPORT uncompress(Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen); +/* + Decompresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total size + of the destination buffer, which must be large enough to hold the entire + uncompressed data. (The size of the uncompressed data must have been saved + previously by the compressor and transmitted to the decompressor by some + mechanism outside the scope of this compression library.) Upon exit, destLen + is the actual size of the uncompressed data. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. In + the case where there is not enough room, uncompress() will fill the output + buffer with the uncompressed data up to that point. +*/ + +ZEXTERN int ZEXPORT uncompress2(Bytef *dest, uLongf *destLen, + const Bytef *source, uLong *sourceLen); +/* + Same as uncompress, except that sourceLen is a pointer, where the + length of the source is *sourceLen. On return, *sourceLen is the number of + source bytes consumed. +*/ + + /* gzip file access functions */ + +/* + This library supports reading and writing files in gzip (.gz) format with + an interface similar to that of stdio, using the functions that start with + "gz". The gzip format is different from the zlib format. gzip is a gzip + wrapper, documented in RFC 1952, wrapped around a deflate stream. +*/ + +typedef struct gzFile_s *gzFile; /* semi-opaque gzip file descriptor */ + +/* +ZEXTERN gzFile ZEXPORT gzopen(const char *path, const char *mode); + + Open the gzip (.gz) file at path for reading and decompressing, or + compressing and writing. The mode parameter is as in fopen ("rb" or "wb") + but can also include a compression level ("wb9") or a strategy: 'f' for + filtered data as in "wb6f", 'h' for Huffman-only compression as in "wb1h", + 'R' for run-length encoding as in "wb1R", or 'F' for fixed code compression + as in "wb9F". (See the description of deflateInit2 for more information + about the strategy parameter.) 'T' will request transparent writing or + appending with no compression and not using the gzip format. + + "a" can be used instead of "w" to request that the gzip stream that will + be written be appended to the file. "+" will result in an error, since + reading and writing to the same gzip file is not supported. The addition of + "x" when writing will create the file exclusively, which fails if the file + already exists. On systems that support it, the addition of "e" when + reading or writing will set the flag to close the file on an execve() call. + + These functions, as well as gzip, will read and decode a sequence of gzip + streams in a file. The append function of gzopen() can be used to create + such a file. (Also see gzflush() for another way to do this.) When + appending, gzopen does not test whether the file begins with a gzip stream, + nor does it look for the end of the gzip streams to begin appending. gzopen + will simply append a gzip stream to the existing file. + + gzopen can be used to read a file which is not in gzip format; in this + case gzread will directly read from the file without decompression. When + reading, this will be detected automatically by looking for the magic two- + byte gzip header. + + gzopen returns NULL if the file could not be opened, if there was + insufficient memory to allocate the gzFile state, or if an invalid mode was + specified (an 'r', 'w', or 'a' was not provided, or '+' was provided). + errno can be checked to determine if the reason gzopen failed was that the + file could not be opened. +*/ + +ZEXTERN gzFile ZEXPORT gzdopen(int fd, const char *mode); +/* + Associate a gzFile with the file descriptor fd. File descriptors are + obtained from calls like open, dup, creat, pipe or fileno (if the file has + been previously opened with fopen). The mode parameter is as in gzopen. + + The next call of gzclose on the returned gzFile will also close the file + descriptor fd, just like fclose(fdopen(fd, mode)) closes the file descriptor + fd. If you want to keep fd open, use fd = dup(fd_keep); gz = gzdopen(fd, + mode);. The duplicated descriptor should be saved to avoid a leak, since + gzdopen does not close fd if it fails. If you are using fileno() to get the + file descriptor from a FILE *, then you will have to use dup() to avoid + double-close()ing the file descriptor. Both gzclose() and fclose() will + close the associated file descriptor, so they need to have different file + descriptors. + + gzdopen returns NULL if there was insufficient memory to allocate the + gzFile state, if an invalid mode was specified (an 'r', 'w', or 'a' was not + provided, or '+' was provided), or if fd is -1. The file descriptor is not + used until the next gz* read, write, seek, or close operation, so gzdopen + will not detect if fd is invalid (unless fd is -1). +*/ + +ZEXTERN int ZEXPORT gzbuffer(gzFile file, unsigned size); +/* + Set the internal buffer size used by this library's functions for file to + size. The default buffer size is 8192 bytes. This function must be called + after gzopen() or gzdopen(), and before any other calls that read or write + the file. The buffer memory allocation is always deferred to the first read + or write. Three times that size in buffer space is allocated. A larger + buffer size of, for example, 64K or 128K bytes will noticeably increase the + speed of decompression (reading). + + The new buffer size also affects the maximum length for gzprintf(). + + gzbuffer() returns 0 on success, or -1 on failure, such as being called + too late. +*/ + +ZEXTERN int ZEXPORT gzsetparams(gzFile file, int level, int strategy); +/* + Dynamically update the compression level and strategy for file. See the + description of deflateInit2 for the meaning of these parameters. Previously + provided data is flushed before applying the parameter changes. + + gzsetparams returns Z_OK if success, Z_STREAM_ERROR if the file was not + opened for writing, Z_ERRNO if there is an error writing the flushed data, + or Z_MEM_ERROR if there is a memory allocation error. +*/ + +ZEXTERN int ZEXPORT gzread(gzFile file, voidp buf, unsigned len); +/* + Read and decompress up to len uncompressed bytes from file into buf. If + the input file is not in gzip format, gzread copies the given number of + bytes into the buffer directly from the file. + + After reaching the end of a gzip stream in the input, gzread will continue + to read, looking for another gzip stream. Any number of gzip streams may be + concatenated in the input file, and will all be decompressed by gzread(). + If something other than a gzip stream is encountered after a gzip stream, + that remaining trailing garbage is ignored (and no error is returned). + + gzread can be used to read a gzip file that is being concurrently written. + Upon reaching the end of the input, gzread will return with the available + data. If the error code returned by gzerror is Z_OK or Z_BUF_ERROR, then + gzclearerr can be used to clear the end of file indicator in order to permit + gzread to be tried again. Z_OK indicates that a gzip stream was completed + on the last gzread. Z_BUF_ERROR indicates that the input file ended in the + middle of a gzip stream. Note that gzread does not return -1 in the event + of an incomplete gzip stream. This error is deferred until gzclose(), which + will return Z_BUF_ERROR if the last gzread ended in the middle of a gzip + stream. Alternatively, gzerror can be used before gzclose to detect this + case. + + gzread returns the number of uncompressed bytes actually read, less than + len for end of file, or -1 for error. If len is too large to fit in an int, + then nothing is read, -1 is returned, and the error state is set to + Z_STREAM_ERROR. +*/ + +ZEXTERN z_size_t ZEXPORT gzfread(voidp buf, z_size_t size, z_size_t nitems, + gzFile file); +/* + Read and decompress up to nitems items of size size from file into buf, + otherwise operating as gzread() does. This duplicates the interface of + stdio's fread(), with size_t request and return types. If the library + defines size_t, then z_size_t is identical to size_t. If not, then z_size_t + is an unsigned integer type that can contain a pointer. + + gzfread() returns the number of full items read of size size, or zero if + the end of the file was reached and a full item could not be read, or if + there was an error. gzerror() must be consulted if zero is returned in + order to determine if there was an error. If the multiplication of size and + nitems overflows, i.e. the product does not fit in a z_size_t, then nothing + is read, zero is returned, and the error state is set to Z_STREAM_ERROR. + + In the event that the end of file is reached and only a partial item is + available at the end, i.e. the remaining uncompressed data length is not a + multiple of size, then the final partial item is nevertheless read into buf + and the end-of-file flag is set. The length of the partial item read is not + provided, but could be inferred from the result of gztell(). This behavior + is the same as the behavior of fread() implementations in common libraries, + but it prevents the direct use of gzfread() to read a concurrently written + file, resetting and retrying on end-of-file, when size is not 1. +*/ + +ZEXTERN int ZEXPORT gzwrite(gzFile file, voidpc buf, unsigned len); +/* + Compress and write the len uncompressed bytes at buf to file. gzwrite + returns the number of uncompressed bytes written or 0 in case of error. +*/ + +ZEXTERN z_size_t ZEXPORT gzfwrite(voidpc buf, z_size_t size, + z_size_t nitems, gzFile file); +/* + Compress and write nitems items of size size from buf to file, duplicating + the interface of stdio's fwrite(), with size_t request and return types. If + the library defines size_t, then z_size_t is identical to size_t. If not, + then z_size_t is an unsigned integer type that can contain a pointer. + + gzfwrite() returns the number of full items written of size size, or zero + if there was an error. If the multiplication of size and nitems overflows, + i.e. the product does not fit in a z_size_t, then nothing is written, zero + is returned, and the error state is set to Z_STREAM_ERROR. +*/ + +ZEXTERN int ZEXPORTVA gzprintf(gzFile file, const char *format, ...); +/* + Convert, format, compress, and write the arguments (...) to file under + control of the string format, as in fprintf. gzprintf returns the number of + uncompressed bytes actually written, or a negative zlib error code in case + of error. The number of uncompressed bytes written is limited to 8191, or + one less than the buffer size given to gzbuffer(). The caller should assure + that this limit is not exceeded. If it is exceeded, then gzprintf() will + return an error (0) with nothing written. In this case, there may also be a + buffer overflow with unpredictable consequences, which is possible only if + zlib was compiled with the insecure functions sprintf() or vsprintf(), + because the secure snprintf() or vsnprintf() functions were not available. + This can be determined using zlibCompileFlags(). +*/ + +ZEXTERN int ZEXPORT gzputs(gzFile file, const char *s); +/* + Compress and write the given null-terminated string s to file, excluding + the terminating null character. + + gzputs returns the number of characters written, or -1 in case of error. +*/ + +ZEXTERN char * ZEXPORT gzgets(gzFile file, char *buf, int len); +/* + Read and decompress bytes from file into buf, until len-1 characters are + read, or until a newline character is read and transferred to buf, or an + end-of-file condition is encountered. If any characters are read or if len + is one, the string is terminated with a null character. If no characters + are read due to an end-of-file or len is less than one, then the buffer is + left untouched. + + gzgets returns buf which is a null-terminated string, or it returns NULL + for end-of-file or in case of error. If there was an error, the contents at + buf are indeterminate. +*/ + +ZEXTERN int ZEXPORT gzputc(gzFile file, int c); +/* + Compress and write c, converted to an unsigned char, into file. gzputc + returns the value that was written, or -1 in case of error. +*/ + +ZEXTERN int ZEXPORT gzgetc(gzFile file); +/* + Read and decompress one byte from file. gzgetc returns this byte or -1 + in case of end of file or error. This is implemented as a macro for speed. + As such, it does not do all of the checking the other functions do. I.e. + it does not check to see if file is NULL, nor whether the structure file + points to has been clobbered or not. +*/ + +ZEXTERN int ZEXPORT gzungetc(int c, gzFile file); +/* + Push c back onto the stream for file to be read as the first character on + the next read. At least one character of push-back is always allowed. + gzungetc() returns the character pushed, or -1 on failure. gzungetc() will + fail if c is -1, and may fail if a character has been pushed but not read + yet. If gzungetc is used immediately after gzopen or gzdopen, at least the + output buffer size of pushed characters is allowed. (See gzbuffer above.) + The pushed character will be discarded if the stream is repositioned with + gzseek() or gzrewind(). +*/ + +ZEXTERN int ZEXPORT gzflush(gzFile file, int flush); +/* + Flush all pending output to file. The parameter flush is as in the + deflate() function. The return value is the zlib error number (see function + gzerror below). gzflush is only permitted when writing. + + If the flush parameter is Z_FINISH, the remaining data is written and the + gzip stream is completed in the output. If gzwrite() is called again, a new + gzip stream will be started in the output. gzread() is able to read such + concatenated gzip streams. + + gzflush should be called only when strictly necessary because it will + degrade compression if called too often. +*/ + +/* +ZEXTERN z_off_t ZEXPORT gzseek(gzFile file, + z_off_t offset, int whence); + + Set the starting position to offset relative to whence for the next gzread + or gzwrite on file. The offset represents a number of bytes in the + uncompressed data stream. The whence parameter is defined as in lseek(2); + the value SEEK_END is not supported. + + If the file is opened for reading, this function is emulated but can be + extremely slow. If the file is opened for writing, only forward seeks are + supported; gzseek then compresses a sequence of zeroes up to the new + starting position. + + gzseek returns the resulting offset location as measured in bytes from + the beginning of the uncompressed stream, or -1 in case of error, in + particular if the file is opened for writing and the new starting position + would be before the current position. +*/ + +ZEXTERN int ZEXPORT gzrewind(gzFile file); +/* + Rewind file. This function is supported only for reading. + + gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET). +*/ + +/* +ZEXTERN z_off_t ZEXPORT gztell(gzFile file); + + Return the starting position for the next gzread or gzwrite on file. + This position represents a number of bytes in the uncompressed data stream, + and is zero when starting, even if appending or reading a gzip stream from + the middle of a file using gzdopen(). + + gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) +*/ + +/* +ZEXTERN z_off_t ZEXPORT gzoffset(gzFile file); + + Return the current compressed (actual) read or write offset of file. This + offset includes the count of bytes that precede the gzip stream, for example + when appending or when using gzdopen() for reading. When reading, the + offset does not include as yet unused buffered input. This information can + be used for a progress indicator. On error, gzoffset() returns -1. +*/ + +ZEXTERN int ZEXPORT gzeof(gzFile file); +/* + Return true (1) if the end-of-file indicator for file has been set while + reading, false (0) otherwise. Note that the end-of-file indicator is set + only if the read tried to go past the end of the input, but came up short. + Therefore, just like feof(), gzeof() may return false even if there is no + more data to read, in the event that the last read request was for the exact + number of bytes remaining in the input file. This will happen if the input + file size is an exact multiple of the buffer size. + + If gzeof() returns true, then the read functions will return no more data, + unless the end-of-file indicator is reset by gzclearerr() and the input file + has grown since the previous end of file was detected. +*/ + +ZEXTERN int ZEXPORT gzdirect(gzFile file); +/* + Return true (1) if file is being copied directly while reading, or false + (0) if file is a gzip stream being decompressed. + + If the input file is empty, gzdirect() will return true, since the input + does not contain a gzip stream. + + If gzdirect() is used immediately after gzopen() or gzdopen() it will + cause buffers to be allocated to allow reading the file to determine if it + is a gzip file. Therefore if gzbuffer() is used, it should be called before + gzdirect(). + + When writing, gzdirect() returns true (1) if transparent writing was + requested ("wT" for the gzopen() mode), or false (0) otherwise. (Note: + gzdirect() is not needed when writing. Transparent writing must be + explicitly requested, so the application already knows the answer. When + linking statically, using gzdirect() will include all of the zlib code for + gzip file reading and decompression, which may not be desired.) +*/ + +ZEXTERN int ZEXPORT gzclose(gzFile file); +/* + Flush all pending output for file, if necessary, close file and + deallocate the (de)compression state. Note that once file is closed, you + cannot call gzerror with file, since its structures have been deallocated. + gzclose must not be called more than once on the same file, just as free + must not be called more than once on the same allocation. + + gzclose will return Z_STREAM_ERROR if file is not valid, Z_ERRNO on a + file operation error, Z_MEM_ERROR if out of memory, Z_BUF_ERROR if the + last read ended in the middle of a gzip stream, or Z_OK on success. +*/ + +ZEXTERN int ZEXPORT gzclose_r(gzFile file); +ZEXTERN int ZEXPORT gzclose_w(gzFile file); +/* + Same as gzclose(), but gzclose_r() is only for use when reading, and + gzclose_w() is only for use when writing or appending. The advantage to + using these instead of gzclose() is that they avoid linking in zlib + compression or decompression code that is not used when only reading or only + writing respectively. If gzclose() is used, then both compression and + decompression code will be included the application when linking to a static + zlib library. +*/ + +ZEXTERN const char * ZEXPORT gzerror(gzFile file, int *errnum); +/* + Return the error message for the last error which occurred on file. + errnum is set to zlib error number. If an error occurred in the file system + and not in the compression library, errnum is set to Z_ERRNO and the + application may consult errno to get the exact error code. + + The application must not modify the returned string. Future calls to + this function may invalidate the previously returned string. If file is + closed, then the string previously returned by gzerror will no longer be + available. + + gzerror() should be used to distinguish errors from end-of-file for those + functions above that do not distinguish those cases in their return values. +*/ + +ZEXTERN void ZEXPORT gzclearerr(gzFile file); +/* + Clear the error and end-of-file flags for file. This is analogous to the + clearerr() function in stdio. This is useful for continuing to read a gzip + file that is being written concurrently. +*/ + +#endif /* !Z_SOLO */ + + /* checksum functions */ + +/* + These functions are not related to compression but are exported + anyway because they might be useful in applications using the compression + library. +*/ + +ZEXTERN uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len); +/* + Update a running Adler-32 checksum with the bytes buf[0..len-1] and + return the updated checksum. An Adler-32 value is in the range of a 32-bit + unsigned integer. If buf is Z_NULL, this function returns the required + initial value for the checksum. + + An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed + much faster. + + Usage example: + + uLong adler = adler32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + adler = adler32(adler, buffer, length); + } + if (adler != original_adler) error(); +*/ + +ZEXTERN uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, + z_size_t len); +/* + Same as adler32(), but with a size_t length. +*/ + +/* +ZEXTERN uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, + z_off_t len2); + + Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 + and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for + each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of + seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. Note + that the z_off_t type (like off_t) is a signed integer. If len2 is + negative, the result has no meaning or utility. +*/ + +ZEXTERN uLong ZEXPORT crc32(uLong crc, const Bytef *buf, uInt len); +/* + Update a running CRC-32 with the bytes buf[0..len-1] and return the + updated CRC-32. A CRC-32 value is in the range of a 32-bit unsigned integer. + If buf is Z_NULL, this function returns the required initial value for the + crc. Pre- and post-conditioning (one's complement) is performed within this + function so it shouldn't be done by the application. + + Usage example: + + uLong crc = crc32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + crc = crc32(crc, buffer, length); + } + if (crc != original_crc) error(); +*/ + +ZEXTERN uLong ZEXPORT crc32_z(uLong crc, const Bytef *buf, + z_size_t len); +/* + Same as crc32(), but with a size_t length. +*/ + +/* +ZEXTERN uLong ZEXPORT crc32_combine(uLong crc1, uLong crc2, z_off_t len2); + + Combine two CRC-32 check values into one. For two sequences of bytes, + seq1 and seq2 with lengths len1 and len2, CRC-32 check values were + calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32 + check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and + len2. +*/ + +/* +ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t len2); + + Return the operator corresponding to length len2, to be used with + crc32_combine_op(). +*/ + +ZEXTERN uLong ZEXPORT crc32_combine_op(uLong crc1, uLong crc2, uLong op); +/* + Give the same result as crc32_combine(), using op in place of len2. op is + is generated from len2 by crc32_combine_gen(). This will be faster than + crc32_combine() if the generated op is used more than once. +*/ + + + /* various hacks, don't look :) */ + +/* deflateInit and inflateInit are macros to allow checking the zlib version + * and the compiler's view of z_stream: + */ +ZEXTERN int ZEXPORT deflateInit_(z_streamp strm, int level, + const char *version, int stream_size); +ZEXTERN int ZEXPORT inflateInit_(z_streamp strm, + const char *version, int stream_size); +ZEXTERN int ZEXPORT deflateInit2_(z_streamp strm, int level, int method, + int windowBits, int memLevel, + int strategy, const char *version, + int stream_size); +ZEXTERN int ZEXPORT inflateInit2_(z_streamp strm, int windowBits, + const char *version, int stream_size); +ZEXTERN int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits, + unsigned char FAR *window, + const char *version, + int stream_size); +#ifdef Z_PREFIX_SET +# define z_deflateInit(strm, level) \ + deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_inflateInit(strm) \ + inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ + deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ + (strategy), ZLIB_VERSION, (int)sizeof(z_stream)) +# define z_inflateInit2(strm, windowBits) \ + inflateInit2_((strm), (windowBits), ZLIB_VERSION, \ + (int)sizeof(z_stream)) +# define z_inflateBackInit(strm, windowBits, window) \ + inflateBackInit_((strm), (windowBits), (window), \ + ZLIB_VERSION, (int)sizeof(z_stream)) +#else +# define deflateInit(strm, level) \ + deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) +# define inflateInit(strm) \ + inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream)) +# define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ + deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ + (strategy), ZLIB_VERSION, (int)sizeof(z_stream)) +# define inflateInit2(strm, windowBits) \ + inflateInit2_((strm), (windowBits), ZLIB_VERSION, \ + (int)sizeof(z_stream)) +# define inflateBackInit(strm, windowBits, window) \ + inflateBackInit_((strm), (windowBits), (window), \ + ZLIB_VERSION, (int)sizeof(z_stream)) +#endif + +#ifndef Z_SOLO + +/* gzgetc() macro and its supporting function and exposed data structure. Note + * that the real internal state is much larger than the exposed structure. + * This abbreviated structure exposes just enough for the gzgetc() macro. The + * user should not mess with these exposed elements, since their names or + * behavior could change in the future, perhaps even capriciously. They can + * only be used by the gzgetc() macro. You have been warned. + */ +struct gzFile_s { + unsigned have; + unsigned char *next; + z_off64_t pos; +}; +ZEXTERN int ZEXPORT gzgetc_(gzFile file); /* backward compatibility */ +#ifdef Z_PREFIX_SET +# undef z_gzgetc +# define z_gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +#else +# define gzgetc(g) \ + ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) +#endif + +/* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or + * change the regular functions to 64 bits if _FILE_OFFSET_BITS is 64 (if + * both are true, the application gets the *64 functions, and the regular + * functions are changed to 64 bits) -- in case these are set on systems + * without large file support, _LFS64_LARGEFILE must also be true + */ +#ifdef Z_LARGE64 + ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *); + ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int); + ZEXTERN z_off64_t ZEXPORT gztell64(gzFile); + ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile); + ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off64_t); + ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off64_t); + ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off64_t); +#endif + +#if !defined(ZLIB_INTERNAL) && defined(Z_WANT64) +# ifdef Z_PREFIX_SET +# define z_gzopen z_gzopen64 +# define z_gzseek z_gzseek64 +# define z_gztell z_gztell64 +# define z_gzoffset z_gzoffset64 +# define z_adler32_combine z_adler32_combine64 +# define z_crc32_combine z_crc32_combine64 +# define z_crc32_combine_gen z_crc32_combine_gen64 +# else +# define gzopen gzopen64 +# define gzseek gzseek64 +# define gztell gztell64 +# define gzoffset gzoffset64 +# define adler32_combine adler32_combine64 +# define crc32_combine crc32_combine64 +# define crc32_combine_gen crc32_combine_gen64 +# endif +# ifndef Z_LARGE64 + ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *); + ZEXTERN z_off_t ZEXPORT gzseek64(gzFile, z_off_t, int); + ZEXTERN z_off_t ZEXPORT gztell64(gzFile); + ZEXTERN z_off_t ZEXPORT gzoffset64(gzFile); + ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t); +# endif +#else + ZEXTERN gzFile ZEXPORT gzopen(const char *, const char *); + ZEXTERN z_off_t ZEXPORT gzseek(gzFile, z_off_t, int); + ZEXTERN z_off_t ZEXPORT gztell(gzFile); + ZEXTERN z_off_t ZEXPORT gzoffset(gzFile); + ZEXTERN uLong ZEXPORT adler32_combine(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t); +#endif + +#else /* Z_SOLO */ + + ZEXTERN uLong ZEXPORT adler32_combine(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine_gen(z_off_t); + +#endif /* !Z_SOLO */ + +/* undocumented functions */ +ZEXTERN const char * ZEXPORT zError(int); +ZEXTERN int ZEXPORT inflateSyncPoint(z_streamp); +ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table(void); +ZEXTERN int ZEXPORT inflateUndermine(z_streamp, int); +ZEXTERN int ZEXPORT inflateValidate(z_streamp, int); +ZEXTERN unsigned long ZEXPORT inflateCodesUsed(z_streamp); +ZEXTERN int ZEXPORT inflateResetKeep(z_streamp); +ZEXTERN int ZEXPORT deflateResetKeep(z_streamp); +#if defined(_WIN32) && !defined(Z_SOLO) +ZEXTERN gzFile ZEXPORT gzopen_w(const wchar_t *path, + const char *mode); +#endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifndef Z_SOLO +ZEXTERN int ZEXPORTVA gzvprintf(gzFile file, + const char *format, + va_list va); +# endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* ZLIB_H */ diff --git a/lib/zlib/zutil.c b/lib/zlib/zutil.c new file mode 100644 index 0000000..b1c5d2d --- /dev/null +++ b/lib/zlib/zutil.c @@ -0,0 +1,299 @@ +/* zutil.c -- target dependent utility functions for the compression library + * Copyright (C) 1995-2017 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zutil.h" +#ifndef Z_SOLO +# include "gzguts.h" +#endif + +z_const char * const z_errmsg[10] = { + (z_const char *)"need dictionary", /* Z_NEED_DICT 2 */ + (z_const char *)"stream end", /* Z_STREAM_END 1 */ + (z_const char *)"", /* Z_OK 0 */ + (z_const char *)"file error", /* Z_ERRNO (-1) */ + (z_const char *)"stream error", /* Z_STREAM_ERROR (-2) */ + (z_const char *)"data error", /* Z_DATA_ERROR (-3) */ + (z_const char *)"insufficient memory", /* Z_MEM_ERROR (-4) */ + (z_const char *)"buffer error", /* Z_BUF_ERROR (-5) */ + (z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */ + (z_const char *)"" +}; + + +const char * ZEXPORT zlibVersion(void) { + return ZLIB_VERSION; +} + +uLong ZEXPORT zlibCompileFlags(void) { + uLong flags; + + flags = 0; + switch ((int)(sizeof(uInt))) { + case 2: break; + case 4: flags += 1; break; + case 8: flags += 2; break; + default: flags += 3; + } + switch ((int)(sizeof(uLong))) { + case 2: break; + case 4: flags += 1 << 2; break; + case 8: flags += 2 << 2; break; + default: flags += 3 << 2; + } + switch ((int)(sizeof(voidpf))) { + case 2: break; + case 4: flags += 1 << 4; break; + case 8: flags += 2 << 4; break; + default: flags += 3 << 4; + } + switch ((int)(sizeof(z_off_t))) { + case 2: break; + case 4: flags += 1 << 6; break; + case 8: flags += 2 << 6; break; + default: flags += 3 << 6; + } +#ifdef ZLIB_DEBUG + flags += 1 << 8; +#endif + /* +#if defined(ASMV) || defined(ASMINF) + flags += 1 << 9; +#endif + */ +#ifdef ZLIB_WINAPI + flags += 1 << 10; +#endif +#ifdef BUILDFIXED + flags += 1 << 12; +#endif +#ifdef DYNAMIC_CRC_TABLE + flags += 1 << 13; +#endif +#ifdef NO_GZCOMPRESS + flags += 1L << 16; +#endif +#ifdef NO_GZIP + flags += 1L << 17; +#endif +#ifdef PKZIP_BUG_WORKAROUND + flags += 1L << 20; +#endif +#ifdef FASTEST + flags += 1L << 21; +#endif +#if defined(STDC) || defined(Z_HAVE_STDARG_H) +# ifdef NO_vsnprintf + flags += 1L << 25; +# ifdef HAS_vsprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_vsnprintf_void + flags += 1L << 26; +# endif +# endif +#else + flags += 1L << 24; +# ifdef NO_snprintf + flags += 1L << 25; +# ifdef HAS_sprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_snprintf_void + flags += 1L << 26; +# endif +# endif +#endif + return flags; +} + +#ifdef ZLIB_DEBUG +#include <stdlib.h> +# ifndef verbose +# define verbose 0 +# endif +int ZLIB_INTERNAL z_verbose = verbose; + +void ZLIB_INTERNAL z_error(char *m) { + fprintf(stderr, "%s\n", m); + exit(1); +} +#endif + +/* exported to allow conversion of error code to string for compress() and + * uncompress() + */ +const char * ZEXPORT zError(int err) { + return ERR_MSG(err); +} + +#if defined(_WIN32_WCE) && _WIN32_WCE < 0x800 + /* The older Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. + */ + int errno = 0; +#endif + +#ifndef HAVE_MEMCPY + +void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) { + if (len == 0) return; + do { + *dest++ = *source++; /* ??? to be unrolled */ + } while (--len != 0); +} + +int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) { + uInt j; + + for (j = 0; j < len; j++) { + if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; + } + return 0; +} + +void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) { + if (len == 0) return; + do { + *dest++ = 0; /* ??? to be unrolled */ + } while (--len != 0); +} +#endif + +#ifndef Z_SOLO + +#ifdef SYS16BIT + +#ifdef __TURBOC__ +/* Turbo C in 16-bit mode */ + +# define MY_ZCALLOC + +/* Turbo C malloc() does not allow dynamic allocation of 64K bytes + * and farmalloc(64K) returns a pointer with an offset of 8, so we + * must fix the pointer. Warning: the pointer must be put back to its + * original form in order to free it, use zcfree(). + */ + +#define MAX_PTR 10 +/* 10*64K = 640K */ + +local int next_ptr = 0; + +typedef struct ptr_table_s { + voidpf org_ptr; + voidpf new_ptr; +} ptr_table; + +local ptr_table table[MAX_PTR]; +/* This table is used to remember the original form of pointers + * to large buffers (64K). Such pointers are normalized with a zero offset. + * Since MSDOS is not a preemptive multitasking OS, this table is not + * protected from concurrent access. This hack doesn't work anyway on + * a protected system like OS/2. Use Microsoft C instead. + */ + +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) { + voidpf buf; + ulg bsize = (ulg)items*size; + + (void)opaque; + + /* If we allocate less than 65520 bytes, we assume that farmalloc + * will return a usable pointer which doesn't have to be normalized. + */ + if (bsize < 65520L) { + buf = farmalloc(bsize); + if (*(ush*)&buf != 0) return buf; + } else { + buf = farmalloc(bsize + 16L); + } + if (buf == NULL || next_ptr >= MAX_PTR) return NULL; + table[next_ptr].org_ptr = buf; + + /* Normalize the pointer to seg:0 */ + *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; + *(ush*)&buf = 0; + table[next_ptr++].new_ptr = buf; + return buf; +} + +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) { + int n; + + (void)opaque; + + if (*(ush*)&ptr != 0) { /* object < 64K */ + farfree(ptr); + return; + } + /* Find the original pointer */ + for (n = 0; n < next_ptr; n++) { + if (ptr != table[n].new_ptr) continue; + + farfree(table[n].org_ptr); + while (++n < next_ptr) { + table[n-1] = table[n]; + } + next_ptr--; + return; + } + Assert(0, "zcfree: ptr not found"); +} + +#endif /* __TURBOC__ */ + + +#ifdef M_I86 +/* Microsoft C in 16-bit mode */ + +# define MY_ZCALLOC + +#if (!defined(_MSC_VER) || (_MSC_VER <= 600)) +# define _halloc halloc +# define _hfree hfree +#endif + +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) { + (void)opaque; + return _halloc((long)items, size); +} + +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) { + (void)opaque; + _hfree(ptr); +} + +#endif /* M_I86 */ + +#endif /* SYS16BIT */ + + +#ifndef MY_ZCALLOC /* Any system without a special alloc function */ + +#ifndef STDC +extern voidp malloc(uInt size); +extern voidp calloc(uInt items, uInt size); +extern void free(voidpf ptr); +#endif + +voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) { + (void)opaque; + return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : + (voidpf)calloc(items, size); +} + +void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) { + (void)opaque; + free(ptr); +} + +#endif /* MY_ZCALLOC */ + +#endif /* !Z_SOLO */ diff --git a/lib/zlib/zutil.h b/lib/zlib/zutil.h new file mode 100644 index 0000000..902a304 --- /dev/null +++ b/lib/zlib/zutil.h @@ -0,0 +1,275 @@ +/* zutil.h -- internal interface and configuration of the compression library + * Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef ZUTIL_H +#define ZUTIL_H + +#ifdef HAVE_HIDDEN +# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) +#else +# define ZLIB_INTERNAL +#endif + +#include "zlib.h" + +#if defined(STDC) && !defined(Z_SOLO) +# if !(defined(_WIN32_WCE) && defined(_MSC_VER)) +# include <stddef.h> +# endif +# include <string.h> +# include <stdlib.h> +#endif + +#ifndef local +# define local static +#endif +/* since "static" is used to mean two completely different things in C, we + define "local" for the non-static meaning of "static", for readability + (compile with -Dlocal if your debugger can't find static symbols) */ + +typedef unsigned char uch; +typedef uch FAR uchf; +typedef unsigned short ush; +typedef ush FAR ushf; +typedef unsigned long ulg; + +#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC) +# include <limits.h> +# if (ULONG_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned long +# elif (ULLONG_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned long long +# elif (UINT_MAX == 0xffffffffffffffff) +# define Z_U8 unsigned +# endif +#endif + +extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ +/* (size given to avoid silly warnings with Visual C++) */ + +#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] + +#define ERR_RETURN(strm,err) \ + return (strm->msg = ERR_MSG(err), (err)) +/* To be used only when the state is known to be valid */ + + /* common constants */ + +#ifndef DEF_WBITS +# define DEF_WBITS MAX_WBITS +#endif +/* default windowBits for decompression. MAX_WBITS is for compression only */ + +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif +/* default memLevel */ + +#define STORED_BLOCK 0 +#define STATIC_TREES 1 +#define DYN_TREES 2 +/* The three kinds of block type */ + +#define MIN_MATCH 3 +#define MAX_MATCH 258 +/* The minimum and maximum match lengths */ + +#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ + + /* target dependencies */ + +#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) +# define OS_CODE 0x00 +# ifndef Z_SOLO +# if defined(__TURBOC__) || defined(__BORLANDC__) +# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) + /* Allow compilation with ANSI keywords only enabled */ + void _Cdecl farfree( void *block ); + void *_Cdecl farmalloc( unsigned long nbytes ); +# else +# include <alloc.h> +# endif +# else /* MSC or DJGPP */ +# include <malloc.h> +# endif +# endif +#endif + +#ifdef AMIGA +# define OS_CODE 1 +#endif + +#if defined(VAXC) || defined(VMS) +# define OS_CODE 2 +# define F_OPEN(name, mode) \ + fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") +#endif + +#ifdef __370__ +# if __TARGET_LIB__ < 0x20000000 +# define OS_CODE 4 +# elif __TARGET_LIB__ < 0x40000000 +# define OS_CODE 11 +# else +# define OS_CODE 8 +# endif +#endif + +#if defined(ATARI) || defined(atarist) +# define OS_CODE 5 +#endif + +#ifdef OS2 +# define OS_CODE 6 +# if defined(M_I86) && !defined(Z_SOLO) +# include <malloc.h> +# endif +#endif + +#if defined(MACOS) || defined(TARGET_OS_MAC) +# define OS_CODE 7 +# ifndef Z_SOLO +# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include <unix.h> /* for fdopen */ +# else +# ifndef fdopen +# define fdopen(fd,mode) NULL /* No fdopen() */ +# endif +# endif +# endif +#endif + +#ifdef __acorn +# define OS_CODE 13 +#endif + +#if defined(WIN32) && !defined(__CYGWIN__) +# define OS_CODE 10 +#endif + +#ifdef _BEOS_ +# define OS_CODE 16 +#endif + +#ifdef __TOS_OS400__ +# define OS_CODE 18 +#endif + +#ifdef __APPLE__ +# define OS_CODE 19 +#endif + +#if defined(_BEOS_) || defined(RISCOS) +# define fdopen(fd,mode) NULL /* No fdopen() */ +#endif + +#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX +# if defined(_WIN32_WCE) +# define fdopen(fd,mode) NULL /* No fdopen() */ +# else +# define fdopen(fd,type) _fdopen(fd,type) +# endif +#endif + +#if defined(__BORLANDC__) && !defined(MSDOS) + #pragma warn -8004 + #pragma warn -8008 + #pragma warn -8066 +#endif + +/* provide prototypes for these when building zlib without LFS */ +#if !defined(_WIN32) && \ + (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0) + ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t); + ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t); +#endif + + /* common defaults */ + +#ifndef OS_CODE +# define OS_CODE 3 /* assume Unix */ +#endif + +#ifndef F_OPEN +# define F_OPEN(name, mode) fopen((name), (mode)) +#endif + + /* functions */ + +#if defined(pyr) || defined(Z_SOLO) +# define NO_MEMCPY +#endif +#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) + /* Use our own functions for small and medium model with MSC <= 5.0. + * You may have to use the same strategy for Borland C (untested). + * The __SC__ check is for Symantec. + */ +# define NO_MEMCPY +#endif +#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) +# define HAVE_MEMCPY +#endif +#ifdef HAVE_MEMCPY +# ifdef SMALL_MEDIUM /* MSDOS small or medium model */ +# define zmemcpy _fmemcpy +# define zmemcmp _fmemcmp +# define zmemzero(dest, len) _fmemset(dest, 0, len) +# else +# define zmemcpy memcpy +# define zmemcmp memcmp +# define zmemzero(dest, len) memset(dest, 0, len) +# endif +#else + void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len); + int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len); + void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len); +#endif + +/* Diagnostic functions */ +#ifdef ZLIB_DEBUG +# include <stdio.h> + extern int ZLIB_INTERNAL z_verbose; + extern void ZLIB_INTERNAL z_error(char *m); +# define Assert(cond,msg) {if(!(cond)) z_error(msg);} +# define Trace(x) {if (z_verbose>=0) fprintf x ;} +# define Tracev(x) {if (z_verbose>0) fprintf x ;} +# define Tracevv(x) {if (z_verbose>1) fprintf x ;} +# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} +# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} +#else +# define Assert(cond,msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c,x) +# define Tracecv(c,x) +#endif + +#ifndef Z_SOLO + voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, + unsigned size); + void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr); +#endif + +#define ZALLOC(strm, items, size) \ + (*((strm)->zalloc))((strm)->opaque, (items), (size)) +#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) +#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} + +/* Reverse the bytes in a 32-bit value */ +#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + +#endif /* ZUTIL_H */ |