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-rw-r--r--plugins/sample_approval/Makefile.in232
-rw-r--r--plugins/sample_approval/sample_approval.c169
-rw-r--r--plugins/sample_approval/sample_approval.exp1
3 files changed, 402 insertions, 0 deletions
diff --git a/plugins/sample_approval/Makefile.in b/plugins/sample_approval/Makefile.in
new file mode 100644
index 0000000..3ffe465
--- /dev/null
+++ b/plugins/sample_approval/Makefile.in
@@ -0,0 +1,232 @@
+#
+# 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@
+devdir = @devdir@
+top_builddir = @top_builddir@
+abs_top_builddir = @abs_top_builddir@
+top_srcdir = @top_srcdir@
+scriptdir = $(top_srcdir)/scripts
+incdir = $(top_srcdir)/include
+cross_compiling = @CROSS_COMPILING@
+
+# 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@
+
+# Libraries
+LT_LIBS = $(top_builddir)/lib/util/libsudo_util.la
+LIBS = $(LT_LIBS)
+
+# C preprocessor flags
+CPPFLAGS = -I$(incdir) -I$(top_builddir) @CPPFLAGS@
+
+# Usually -O and/or -g
+CFLAGS = @CFLAGS@
+
+# Flags to pass to the link stage
+LDFLAGS = @LDFLAGS@
+LT_LDFLAGS = @LT_LDFLAGS@ @LT_LDEXPORTS@
+
+# Flags to pass to libtool
+LTFLAGS = --tag=disable-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)
+
+# Where to install things...
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+bindir = @bindir@
+sbindir = @sbindir@
+sysconfdir = @sysconfdir@
+adminconfdir = @adminconfdir@
+libexecdir = @libexecdir@
+datarootdir = @datarootdir@
+localstatedir = @localstatedir@
+plugindir = @plugindir@
+
+# File mode and map file to use for shared libraries/objects
+shlib_enable = @SHLIB_ENABLE@
+shlib_mode = @SHLIB_MODE@
+shlib_exp = $(srcdir)/sample_approval.exp
+shlib_map = sample_approval.map
+shlib_opt = sample_approval.opt
+
+# User and group ids the installed files should be "owned" by
+install_uid = 0
+install_gid = 0
+
+#### End of system configuration section. ####
+
+SHELL = @SHELL@
+
+OBJS = sample_approval.lo
+
+IOBJS = $(OBJS:.lo=.i)
+
+POBJS = $(IOBJS:.i=.plog)
+
+LIBOBJDIR = $(top_builddir)/@ac_config_libobj_dir@/
+
+VERSION = @PACKAGE_VERSION@
+
+all: sample_approval.la
+
+depend:
+ $(scriptdir)/mkdep.pl --srcdir=$(top_srcdir) \
+ --builddir=$(abs_top_builddir) plugins/sample_approval/Makefile.in
+ cd $(top_builddir) && ./config.status --file plugins/sample_approval/Makefile
+
+Makefile: $(srcdir)/Makefile.in
+ cd $(top_builddir) && ./config.status --file plugins/sample_approval/Makefile
+
+.SUFFIXES: .c .h .i .lo .plog
+
+.c.lo:
+ $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c $(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) > $@
+
+sample_approval.la: $(OBJS) $(LT_LIBS) @LT_LDDEP@
+ $(LIBTOOL) $(LTFLAGS) --mode=link $(CC) $(LDFLAGS) $(ASAN_LDFLAGS) $(HARDENING_LDFLAGS) $(LT_LDFLAGS) -o $@ $(OBJS) $(LIBS) -module -avoid-version -rpath $(plugindir) -shrext .so
+
+pre-install:
+
+install: install-plugin
+
+install-dirs:
+ $(SHELL) $(scriptdir)/mkinstalldirs $(DESTDIR)$(plugindir)
+
+install-binaries:
+
+install-includes:
+
+install-doc:
+
+install-plugin: install-dirs sample_approval.la
+ if [ X"$(shlib_enable)" = X"yes" ]; then \
+ INSTALL_BACKUP='$(INSTALL_BACKUP)' $(LIBTOOL) $(LTFLAGS) --mode=install $(INSTALL) $(INSTALL_OWNER) -m $(shlib_mode) sample_approval.la $(DESTDIR)$(plugindir); \
+ fi
+
+install-fuzzer:
+
+uninstall:
+ -$(LIBTOOL) $(LTFLAGS) --mode=uninstall rm -f $(DESTDIR)$(plugindir)/sample_approval.la
+ -test -z "$(INSTALL_BACKUP)" || \
+ rm -f $(DESTDIR)$(plugindir)/sample_approval.so$(INSTALL_BACKUP)
+
+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) $(POBJS)
+
+fuzz:
+
+check-fuzzer:
+
+check: check-fuzzer
+
+check-verbose: check
+
+clean:
+ -$(LIBTOOL) $(LTFLAGS) --mode=clean rm -f *.lo *.o *.la *.a
+ -rm -f *.i *.plog stamp-* core *.core core.*
+
+mostlyclean: clean
+
+distclean: clean
+ -rm -rf Makefile .libs $(shlib_map) $(shlib_opt)
+
+clobber: distclean
+
+realclean: distclean
+ rm -f TAGS tags
+
+cleandir: realclean
+
+.PHONY: clean mostlyclean distclean cleandir clobber realclean
+
+# Autogenerated dependencies, do not modify
+getgrent.lo: $(srcdir)/getgrent.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \
+ $(top_builddir)/config.h
+ $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/getgrent.c
+getgrent.i: $(srcdir)/getgrent.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_util.h \
+ $(top_builddir)/config.h
+ $(CC) -E -o $@ $(CPPFLAGS) $<
+getgrent.plog: getgrent.i
+ rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/getgrent.c --i-file $< --output-file $@
+sample_approval.lo: $(srcdir)/sample_approval.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_plugin.h \
+ $(top_builddir)/config.h
+ $(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(HARDENING_CFLAGS) $(srcdir)/sample_approval.c
+sample_approval.i: $(srcdir)/sample_approval.c $(incdir)/compat/stdbool.h \
+ $(incdir)/sudo_compat.h $(incdir)/sudo_plugin.h \
+ $(top_builddir)/config.h
+ $(CC) -E -o $@ $(CPPFLAGS) $<
+sample_approval.plog: sample_approval.i
+ rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/sample_approval.c --i-file $< --output-file $@
diff --git a/plugins/sample_approval/sample_approval.c b/plugins/sample_approval/sample_approval.c
new file mode 100644
index 0000000..eb08f9c
--- /dev/null
+++ b/plugins/sample_approval/sample_approval.c
@@ -0,0 +1,169 @@
+/*
+ * 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 <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 <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>
+
+static int approval_debug_instance = SUDO_DEBUG_INSTANCE_INITIALIZER;
+sudo_printf_t sudo_printf;
+
+static int
+sample_approval_open(unsigned int version, sudo_conv_t conversation,
+ sudo_printf_t plugin_printf, char * const settings[],
+ char * const user_info[], int submit_optind, char * const submit_argv[],
+ char * const submit_envp[], char * const plugin_options[],
+ const char **errstr)
+{
+ struct sudo_conf_debug_file_list debug_files =
+ TAILQ_HEAD_INITIALIZER(debug_files);
+ struct sudo_debug_file *debug_file;
+ const char *cp, *plugin_path = NULL;
+ char * const *cur;
+ int ret = -1;
+ debug_decl_vars(sample_approval_open, SUDO_DEBUG_PLUGIN);
+
+ sudo_printf = plugin_printf;
+
+ /* Initialize the debug subsystem. */
+ for (cur = settings; (cp = *cur) != NULL; cur++) {
+ if (strncmp(cp, "debug_flags=", sizeof("debug_flags=") - 1) == 0) {
+ cp += sizeof("debug_flags=") - 1;
+ if (sudo_debug_parse_flags(&debug_files, cp) == -1)
+ goto oom;
+ continue;
+ }
+ if (strncmp(cp, "plugin_path=", sizeof("plugin_path=") - 1) == 0) {
+ plugin_path = cp + sizeof("plugin_path=") - 1;
+ continue;
+ }
+ }
+ if (plugin_path != NULL && !TAILQ_EMPTY(&debug_files)) {
+ approval_debug_instance =
+ sudo_debug_register(plugin_path, NULL, NULL, &debug_files, -1);
+ if (approval_debug_instance == SUDO_DEBUG_INSTANCE_ERROR) {
+ *errstr = U_("unable to initialize debugging");
+ goto done;
+ }
+ sudo_debug_enter(__func__, __FILE__, __LINE__, sudo_debug_subsys);
+ }
+
+ ret = 1;
+ goto done;
+
+oom:
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ *errstr = U_("unable to allocate memory");
+
+done:
+ while ((debug_file = TAILQ_FIRST(&debug_files)) != NULL) {
+ TAILQ_REMOVE(&debug_files, debug_file, entries);
+ free(debug_file->debug_file);
+ free(debug_file->debug_flags);
+ free(debug_file);
+ }
+
+ debug_return_int(ret);
+}
+
+static void
+sample_approval_close(void)
+{
+ debug_decl(sample_approval_close, SUDO_DEBUG_PLUGIN);
+
+ /* Nothing here, we could store a NULL pointer instead. */
+
+ debug_return;
+}
+
+static int
+sample_approval_check(char * const command_info[], char * const run_argv[],
+ char * const run_envp[], const char **errstr)
+{
+ struct tm tm;
+ time_t now;
+ int ret = 0;
+ debug_decl(sample_approval_check, SUDO_DEBUG_PLUGIN);
+
+ /*
+ * Only approve requests that are within business hours,
+ * which are 9am - 5pm local time. Does not check holidays.
+ */
+ if (time(&now) == -1 || localtime_r(&now, &tm) == NULL)
+ goto done;
+ if (tm.tm_wday < 1 || tm.tm_wday > 5) {
+ /* bad weekday */
+ goto done;
+ }
+ if (tm.tm_hour < 9 || tm.tm_hour > 17 ||
+ (tm.tm_hour == 17 && tm.tm_min > 0)) {
+ /* bad hour */
+ goto done;
+ }
+ ret = 1;
+
+done:
+ if (ret == 0) {
+ *errstr = U_("You are not allowed to use sudo outside business hours");
+ sudo_printf(SUDO_CONV_ERROR_MSG, "%s\n", *errstr);
+ }
+
+ debug_return_int(ret);
+}
+
+static int
+sample_approval_show_version(int verbose)
+{
+ debug_decl(approval_show_version, SUDO_DEBUG_PLUGIN);
+
+ sudo_printf(SUDO_CONV_INFO_MSG, "sample approval plugin version %s\n",
+ PACKAGE_VERSION);
+
+ debug_return_int(true);
+}
+
+sudo_dso_public struct approval_plugin sample_approval = {
+ SUDO_APPROVAL_PLUGIN,
+ SUDO_API_VERSION,
+ sample_approval_open,
+ sample_approval_close,
+ sample_approval_check,
+ sample_approval_show_version
+};
diff --git a/plugins/sample_approval/sample_approval.exp b/plugins/sample_approval/sample_approval.exp
new file mode 100644
index 0000000..ea9cd65
--- /dev/null
+++ b/plugins/sample_approval/sample_approval.exp
@@ -0,0 +1 @@
+sample_approval
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 03:39:28 +0000