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-rw-r--r--tests/libtest/Makefile.am25
-rw-r--r--tests/libtest/Makefile.in1157
-rw-r--r--tests/libtest/dns.c501
-rw-r--r--tests/libtest/isc.c87
-rw-r--r--tests/libtest/ns.c669
5 files changed, 2439 insertions, 0 deletions
diff --git a/tests/libtest/Makefile.am b/tests/libtest/Makefile.am
new file mode 100644
index 0000000..6bd4b80
--- /dev/null
+++ b/tests/libtest/Makefile.am
@@ -0,0 +1,25 @@
+include $(top_srcdir)/Makefile.top
+
+AM_CPPFLAGS += \
+ $(LIBISC_CFLAGS) \
+ $(LIBDNS_CFLAGS) \
+ $(LIBNS_CFLAGS) \
+ $(LIBUV_CFLAGS) \
+ -I$(top_srcdir)/lib/isc
+
+LDADD += \
+ $(LIBISC_LIBS) \
+ $(LIBDNS_LIBS) \
+ $(LIBNS_LIBS)
+
+check_LTLIBRARIES = libtest.la
+
+libtest_la_SOURCES = \
+ ../include/tests/dns.h \
+ ../include/tests/isc.h \
+ ../include/tests/ns.h \
+ dns.c \
+ isc.c \
+ ns.c
+
+include $(top_srcdir)/Makefile.tests
diff --git a/tests/libtest/Makefile.in b/tests/libtest/Makefile.in
new file mode 100644
index 0000000..8e89774
--- /dev/null
+++ b/tests/libtest/Makefile.in
@@ -0,0 +1,1157 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Hey Emacs, this is -*- makefile-automake -*- file!
+# vim: filetype=automake
+
+# Hey Emacs, this is -*- makefile-automake -*- file!
+# vim: filetype=automake
+VPATH = @srcdir@
+am__is_gnu_make = { \
+ if test -z '$(MAKELEVEL)'; then \
+ false; \
+ elif test -n '$(MAKE_HOST)'; then \
+ true; \
+ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+ true; \
+ else \
+ false; \
+ fi; \
+}
+am__make_running_with_option = \
+ case $${target_option-} in \
+ ?) ;; \
+ *) echo "am__make_running_with_option: internal error: invalid" \
+ "target option '$${target_option-}' specified" >&2; \
+ exit 1;; \
+ esac; \
+ has_opt=no; \
+ sane_makeflags=$$MAKEFLAGS; \
+ if $(am__is_gnu_make); then \
+ sane_makeflags=$$MFLAGS; \
+ else \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
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+ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
+ esac; \
+ fi; \
+ skip_next=no; \
+ strip_trailopt () \
+ { \
+ flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+ }; \
+ for flg in $$sane_makeflags; do \
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+ case $$flg in \
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+ test $$has_opt = yes
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+POST_INSTALL = :
+NORMAL_UNINSTALL = :
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+am__v_CCLD_0 = @echo " CCLD " $@;
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+DIST_SOURCES = $(libtest_la_SOURCES)
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+am__tty_colors_dummy = \
+ mgn= red= grn= lgn= blu= brg= std=; \
+ am__color_tests=no
+am__tty_colors = { \
+ $(am__tty_colors_dummy); \
+ if test "X$(AM_COLOR_TESTS)" = Xno; then \
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+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+ $(MAKE) $(AM_MAKEFLAGS) $(check_LTLIBRARIES)
+ $(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+ -test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+ -test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+ -test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkLTLIBRARIES clean-generic clean-libtool \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -f ./$(DEPDIR)/dns.Plo
+ -rm -f ./$(DEPDIR)/isc.Plo
+ -rm -f ./$(DEPDIR)/ns.Plo
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+doc: doc-am
+
+doc-am: doc-local
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f ./$(DEPDIR)/dns.Plo
+ -rm -f ./$(DEPDIR)/isc.Plo
+ -rm -f ./$(DEPDIR)/ns.Plo
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+test: test-am
+
+test-am: test-local
+
+uninstall-am:
+
+unit: unit-am
+
+unit-am: unit-local
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-TESTS \
+ check-am clean clean-checkLTLIBRARIES clean-generic \
+ clean-libtool cscopelist-am ctags ctags-am distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir doc-am doc-local dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ recheck tags tags-am test-am test-local uninstall uninstall-am \
+ unit-am unit-local
+
+.PRECIOUS: Makefile
+
+
+unit-local: check
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/libtest/dns.c b/tests/libtest/dns.c
new file mode 100644
index 0000000..ae3748f
--- /dev/null
+++ b/tests/libtest/dns.c
@@ -0,0 +1,501 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/buffer.h>
+#include <isc/file.h>
+#include <isc/hash.h>
+#include <isc/hex.h>
+#include <isc/lex.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/netmgr.h>
+#include <isc/os.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/stdio.h>
+#include <isc/string.h>
+#include <isc/task.h>
+#include <isc/timer.h>
+#include <isc/util.h>
+
+#include <dns/callbacks.h>
+#include <dns/db.h>
+#include <dns/fixedname.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include <tests/dns.h>
+
+dns_zonemgr_t *zonemgr = NULL;
+
+/*
+ * Create a view.
+ */
+isc_result_t
+dns_test_makeview(const char *name, bool with_cache, dns_view_t **viewp) {
+ isc_result_t result;
+ dns_view_t *view = NULL;
+ dns_cache_t *cache = NULL;
+
+ result = dns_view_create(mctx, dns_rdataclass_in, name, &view);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ if (with_cache) {
+ result = dns_cache_create(mctx, mctx, taskmgr, timermgr,
+ dns_rdataclass_in, "", "rbt", 0, NULL,
+ &cache);
+ if (result != ISC_R_SUCCESS) {
+ dns_view_detach(&view);
+ return (result);
+ }
+
+ dns_view_setcache(view, cache, false);
+ /*
+ * Reference count for "cache" is now at 2, so decrement it in
+ * order for the cache to be automatically freed when "view"
+ * gets freed.
+ */
+ dns_cache_detach(&cache);
+ }
+
+ *viewp = view;
+
+ return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_test_makezone(const char *name, dns_zone_t **zonep, dns_view_t *view,
+ bool createview) {
+ dns_fixedname_t fixed_origin;
+ dns_zone_t *zone = NULL;
+ isc_result_t result;
+ dns_name_t *origin;
+
+ REQUIRE(view == NULL || !createview);
+
+ /*
+ * Create the zone structure.
+ */
+ result = dns_zone_create(&zone, mctx);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ /*
+ * Set zone type and origin.
+ */
+ dns_zone_settype(zone, dns_zone_primary);
+ origin = dns_fixedname_initname(&fixed_origin);
+ result = dns_name_fromstring(origin, name, 0, NULL);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_zone;
+ }
+ result = dns_zone_setorigin(zone, origin);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_zone;
+ }
+
+ /*
+ * If requested, create a view.
+ */
+ if (createview) {
+ result = dns_test_makeview("view", false, &view);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_zone;
+ }
+ }
+
+ /*
+ * If a view was passed as an argument or created above, attach the
+ * created zone to it. Otherwise, set the zone's class to IN.
+ */
+ if (view != NULL) {
+ dns_zone_setview(zone, view);
+ dns_zone_setclass(zone, view->rdclass);
+ dns_view_addzone(view, zone);
+ } else {
+ dns_zone_setclass(zone, dns_rdataclass_in);
+ }
+
+ *zonep = zone;
+
+ return (ISC_R_SUCCESS);
+
+detach_zone:
+ dns_zone_detach(&zone);
+
+ return (result);
+}
+
+isc_result_t
+dns_test_setupzonemgr(void) {
+ isc_result_t result;
+ REQUIRE(zonemgr == NULL);
+
+ result = dns_zonemgr_create(mctx, taskmgr, timermgr, netmgr, &zonemgr);
+ return (result);
+}
+
+isc_result_t
+dns_test_managezone(dns_zone_t *zone) {
+ isc_result_t result;
+ REQUIRE(zonemgr != NULL);
+
+ result = dns_zonemgr_setsize(zonemgr, 1);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ result = dns_zonemgr_managezone(zonemgr, zone);
+ return (result);
+}
+
+void
+dns_test_releasezone(dns_zone_t *zone) {
+ REQUIRE(zonemgr != NULL);
+ dns_zonemgr_releasezone(zonemgr, zone);
+}
+
+void
+dns_test_closezonemgr(void) {
+ REQUIRE(zonemgr != NULL);
+
+ dns_zonemgr_shutdown(zonemgr);
+ dns_zonemgr_detach(&zonemgr);
+}
+
+/*
+ * Sleep for 'usec' microseconds.
+ */
+void
+dns_test_nap(uint32_t usec) {
+ struct timespec ts;
+
+ ts.tv_sec = usec / 1000000;
+ ts.tv_nsec = (usec % 1000000) * 1000;
+ nanosleep(&ts, NULL);
+}
+
+isc_result_t
+dns_test_loaddb(dns_db_t **db, dns_dbtype_t dbtype, const char *origin,
+ const char *testfile) {
+ isc_result_t result;
+ dns_fixedname_t fixed;
+ dns_name_t *name;
+
+ name = dns_fixedname_initname(&fixed);
+
+ result = dns_name_fromstring(name, origin, 0, NULL);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ result = dns_db_create(mctx, "rbt", name, dbtype, dns_rdataclass_in, 0,
+ NULL, db);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ result = dns_db_load(*db, testfile, dns_masterformat_text, 0);
+ return (result);
+}
+
+static int
+fromhex(char c) {
+ if (c >= '0' && c <= '9') {
+ return (c - '0');
+ } else if (c >= 'a' && c <= 'f') {
+ return (c - 'a' + 10);
+ } else if (c >= 'A' && c <= 'F') {
+ return (c - 'A' + 10);
+ }
+
+ printf("bad input format: %02x\n", c);
+ exit(3);
+}
+
+/*
+ * Format contents of given memory region as a hex string, using the buffer
+ * of length 'buflen' pointed to by 'buf'. 'buflen' must be at least three
+ * times 'len'. Always returns 'buf'.
+ */
+char *
+dns_test_tohex(const unsigned char *data, size_t len, char *buf,
+ size_t buflen) {
+ isc_constregion_t source = { .base = data, .length = len };
+ isc_buffer_t target;
+ isc_result_t result;
+
+ memset(buf, 0, buflen);
+ isc_buffer_init(&target, buf, buflen);
+ result = isc_hex_totext((isc_region_t *)&source, 1, " ", &target);
+ assert_int_equal(result, ISC_R_SUCCESS);
+
+ return (buf);
+}
+
+isc_result_t
+dns_test_getdata(const char *file, unsigned char *buf, size_t bufsiz,
+ size_t *sizep) {
+ isc_result_t result;
+ unsigned char *bp;
+ char *rp, *wp;
+ char s[BUFSIZ];
+ size_t len, i;
+ FILE *f = NULL;
+ int n;
+
+ result = isc_stdio_open(file, "r", &f);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ bp = buf;
+ while (fgets(s, sizeof(s), f) != NULL) {
+ rp = s;
+ wp = s;
+ len = 0;
+ while (*rp != '\0') {
+ if (*rp == '#') {
+ break;
+ }
+ if (*rp != ' ' && *rp != '\t' && *rp != '\r' &&
+ *rp != '\n')
+ {
+ *wp++ = *rp;
+ len++;
+ }
+ rp++;
+ }
+ if (len == 0U) {
+ continue;
+ }
+ if (len % 2 != 0U) {
+ result = ISC_R_UNEXPECTEDEND;
+ break;
+ }
+ if (len > bufsiz * 2) {
+ result = ISC_R_NOSPACE;
+ break;
+ }
+ rp = s;
+ for (i = 0; i < len; i += 2) {
+ n = fromhex(*rp++);
+ n *= 16;
+ n += fromhex(*rp++);
+ *bp++ = n;
+ }
+ }
+
+ if (result == ISC_R_SUCCESS) {
+ *sizep = bp - buf;
+ }
+
+ isc_stdio_close(f);
+ return (result);
+}
+
+static void
+nullmsg(dns_rdatacallbacks_t *cb, const char *fmt, ...) {
+ UNUSED(cb);
+ UNUSED(fmt);
+}
+
+isc_result_t
+dns_test_rdatafromstring(dns_rdata_t *rdata, dns_rdataclass_t rdclass,
+ dns_rdatatype_t rdtype, unsigned char *dst,
+ size_t dstlen, const char *src, bool warnings) {
+ dns_rdatacallbacks_t callbacks;
+ isc_buffer_t source, target;
+ isc_lex_t *lex = NULL;
+ isc_lexspecials_t specials = { 0 };
+ isc_result_t result;
+ size_t length;
+
+ REQUIRE(rdata != NULL);
+ REQUIRE(DNS_RDATA_INITIALIZED(rdata));
+ REQUIRE(dst != NULL);
+ REQUIRE(src != NULL);
+
+ /*
+ * Set up source to hold the input string.
+ */
+ length = strlen(src);
+ isc_buffer_constinit(&source, src, length);
+ isc_buffer_add(&source, length);
+
+ /*
+ * Create a lexer as one is required by dns_rdata_fromtext().
+ */
+ result = isc_lex_create(mctx, 64, &lex);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ /*
+ * Set characters which will be treated as valid multi-line RDATA
+ * delimiters while reading the source string. These should match
+ * specials from lib/dns/master.c.
+ */
+ specials[0] = 1;
+ specials['('] = 1;
+ specials[')'] = 1;
+ specials['"'] = 1;
+ isc_lex_setspecials(lex, specials);
+
+ /*
+ * Expect DNS masterfile comments.
+ */
+ isc_lex_setcomments(lex, ISC_LEXCOMMENT_DNSMASTERFILE);
+
+ /*
+ * Point lexer at source.
+ */
+ result = isc_lex_openbuffer(lex, &source);
+ if (result != ISC_R_SUCCESS) {
+ goto destroy_lexer;
+ }
+
+ /*
+ * Set up target for storing uncompressed wire form of provided RDATA.
+ */
+ isc_buffer_init(&target, dst, dstlen);
+
+ /*
+ * Set up callbacks so warnings and errors are not printed.
+ */
+ if (!warnings) {
+ dns_rdatacallbacks_init(&callbacks);
+ callbacks.warn = callbacks.error = nullmsg;
+ }
+
+ /*
+ * Parse input string, determining result.
+ */
+ result = dns_rdata_fromtext(rdata, rdclass, rdtype, lex, dns_rootname,
+ 0, mctx, &target, &callbacks);
+
+destroy_lexer:
+ isc_lex_destroy(&lex);
+
+ return (result);
+}
+
+void
+dns_test_namefromstring(const char *namestr, dns_fixedname_t *fname) {
+ size_t length;
+ isc_buffer_t *b = NULL;
+ isc_result_t result;
+ dns_name_t *name;
+
+ length = strlen(namestr);
+
+ name = dns_fixedname_initname(fname);
+
+ isc_buffer_allocate(mctx, &b, length);
+
+ isc_buffer_putmem(b, (const unsigned char *)namestr, length);
+ result = dns_name_fromtext(name, b, dns_rootname, 0, NULL);
+ assert_int_equal(result, ISC_R_SUCCESS);
+
+ isc_buffer_free(&b);
+}
+
+isc_result_t
+dns_test_difffromchanges(dns_diff_t *diff, const zonechange_t *changes,
+ bool warnings) {
+ isc_result_t result = ISC_R_SUCCESS;
+ unsigned char rdata_buf[1024];
+ dns_difftuple_t *tuple = NULL;
+ isc_consttextregion_t region;
+ dns_rdatatype_t rdatatype;
+ dns_fixedname_t fixedname;
+ dns_rdata_t rdata;
+ dns_name_t *name;
+ size_t i;
+
+ REQUIRE(diff != NULL);
+ REQUIRE(changes != NULL);
+
+ dns_diff_init(mctx, diff);
+
+ for (i = 0; changes[i].owner != NULL; i++) {
+ /*
+ * Parse owner name.
+ */
+ name = dns_fixedname_initname(&fixedname);
+ result = dns_name_fromstring(name, changes[i].owner, 0, mctx);
+ if (result != ISC_R_SUCCESS) {
+ break;
+ }
+
+ /*
+ * Parse RDATA type.
+ */
+ region.base = changes[i].type;
+ region.length = strlen(changes[i].type);
+ result = dns_rdatatype_fromtext(&rdatatype,
+ (isc_textregion_t *)&region);
+ if (result != ISC_R_SUCCESS) {
+ break;
+ }
+
+ /*
+ * Parse RDATA.
+ */
+ dns_rdata_init(&rdata);
+ result = dns_test_rdatafromstring(
+ &rdata, dns_rdataclass_in, rdatatype, rdata_buf,
+ sizeof(rdata_buf), changes[i].rdata, warnings);
+ if (result != ISC_R_SUCCESS) {
+ break;
+ }
+
+ /*
+ * Create a diff tuple for the parsed change and append it to
+ * the diff.
+ */
+ result = dns_difftuple_create(mctx, changes[i].op, name,
+ changes[i].ttl, &rdata, &tuple);
+ if (result != ISC_R_SUCCESS) {
+ break;
+ }
+ dns_diff_append(diff, &tuple);
+ }
+
+ if (result != ISC_R_SUCCESS) {
+ dns_diff_clear(diff);
+ }
+
+ return (result);
+}
diff --git a/tests/libtest/isc.c b/tests/libtest/isc.c
new file mode 100644
index 0000000..970a4b1
--- /dev/null
+++ b/tests/libtest/isc.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include <isc/buffer.h>
+#include <isc/hash.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/os.h>
+#include <isc/string.h>
+#include <isc/task.h>
+#include <isc/timer.h>
+#include <isc/util.h>
+
+#include "netmgr_p.h"
+#include "task_p.h"
+#include "timer_p.h"
+
+#include <tests/isc.h>
+
+isc_mem_t *mctx = NULL;
+isc_taskmgr_t *taskmgr = NULL;
+isc_timermgr_t *timermgr = NULL;
+isc_nm_t *netmgr = NULL;
+unsigned int workers = 0;
+isc_task_t *maintask = NULL;
+
+int
+setup_managers(void **state) {
+ isc_result_t result;
+
+ UNUSED(state);
+
+ REQUIRE(mctx != NULL);
+
+ if (workers == 0) {
+ char *env_workers = getenv("ISC_TASK_WORKERS");
+ if (env_workers != NULL) {
+ workers = atoi(env_workers);
+ } else {
+ workers = isc_os_ncpus();
+ }
+ INSIST(workers > 0);
+ }
+
+ result = isc_managers_create(mctx, workers, 0, &netmgr, &taskmgr,
+ &timermgr);
+ if (result != ISC_R_SUCCESS) {
+ return (-1);
+ }
+
+ result = isc_task_create_bound(taskmgr, 0, &maintask, 0);
+ if (result != ISC_R_SUCCESS) {
+ return (-1);
+ }
+
+ isc_taskmgr_setexcltask(taskmgr, maintask);
+
+ return (0);
+}
+
+int
+teardown_managers(void **state) {
+ UNUSED(state);
+
+ isc_task_detach(&maintask);
+ isc_managers_destroy(&netmgr, &taskmgr, &timermgr);
+
+ return (0);
+}
diff --git a/tests/libtest/ns.c b/tests/libtest/ns.c
new file mode 100644
index 0000000..4a53ad8
--- /dev/null
+++ b/tests/libtest/ns.c
@@ -0,0 +1,669 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <isc/buffer.h>
+#include <isc/file.h>
+#include <isc/hash.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/netmgr.h>
+#include <isc/os.h>
+#include <isc/print.h>
+#include <isc/random.h>
+#include <isc/resource.h>
+#include <isc/result.h>
+#include <isc/stdio.h>
+#include <isc/string.h>
+#include <isc/task.h>
+#include <isc/timer.h>
+#include <isc/util.h>
+
+#include <dns/cache.h>
+#include <dns/db.h>
+#include <dns/dispatch.h>
+#include <dns/fixedname.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include <ns/client.h>
+#include <ns/hooks.h>
+#include <ns/interfacemgr.h>
+#include <ns/server.h>
+
+#include <tests/ns.h>
+
+dns_dispatchmgr_t *dispatchmgr = NULL;
+ns_clientmgr_t *clientmgr = NULL;
+ns_interfacemgr_t *interfacemgr = NULL;
+ns_server_t *sctx = NULL;
+bool debug_mem_record = true;
+
+static isc_result_t
+matchview(isc_netaddr_t *srcaddr, isc_netaddr_t *destaddr,
+ dns_message_t *message, dns_aclenv_t *env, isc_result_t *sigresultp,
+ dns_view_t **viewp) {
+ UNUSED(srcaddr);
+ UNUSED(destaddr);
+ UNUSED(message);
+ UNUSED(env);
+ UNUSED(sigresultp);
+ UNUSED(viewp);
+
+ return (ISC_R_NOTIMPLEMENTED);
+}
+
+int
+setup_server(void **state) {
+ isc_result_t result;
+ ns_listenlist_t *listenon = NULL;
+ in_port_t port = 5300 + isc_random8();
+
+ setup_managers(state);
+
+ ns_server_create(mctx, matchview, &sctx);
+
+ result = dns_dispatchmgr_create(mctx, netmgr, &dispatchmgr);
+ if (result != ISC_R_SUCCESS) {
+ return (-1);
+ }
+
+ result = ns_interfacemgr_create(mctx, sctx, taskmgr, timermgr, netmgr,
+ dispatchmgr, maintask, NULL, workers,
+ false, &interfacemgr);
+ if (result != ISC_R_SUCCESS) {
+ return (-1);
+ }
+
+ result = ns_listenlist_default(mctx, port, true, AF_INET, &listenon);
+ if (result != ISC_R_SUCCESS) {
+ return (-1);
+ }
+
+ ns_interfacemgr_setlistenon4(interfacemgr, listenon);
+ ns_listenlist_detach(&listenon);
+
+ clientmgr = ns_interfacemgr_getclientmgr(interfacemgr);
+
+ return (0);
+}
+
+int
+teardown_server(void **state) {
+ if (interfacemgr != NULL) {
+ ns_interfacemgr_shutdown(interfacemgr);
+ ns_interfacemgr_detach(&interfacemgr);
+ }
+
+ if (dispatchmgr != NULL) {
+ dns_dispatchmgr_detach(&dispatchmgr);
+ }
+
+ if (sctx != NULL) {
+ ns_server_detach(&sctx);
+ }
+
+ teardown_managers(state);
+ return (0);
+}
+
+static dns_zone_t *served_zone = NULL;
+
+/*
+ * We don't want to use netmgr-based client accounting, we need to emulate it.
+ */
+atomic_uint_fast32_t client_refs[32];
+atomic_uintptr_t client_addrs[32];
+
+void
+isc__nmhandle_attach(isc_nmhandle_t *source, isc_nmhandle_t **targetp FLARG) {
+ ns_client_t *client = (ns_client_t *)source;
+ int i;
+
+ for (i = 0; i < 32; i++) {
+ if (atomic_load(&client_addrs[i]) == (uintptr_t)client) {
+ break;
+ }
+ }
+ INSIST(i < 32);
+ INSIST(atomic_load(&client_refs[i]) > 0);
+
+ atomic_fetch_add(&client_refs[i], 1);
+
+ *targetp = source;
+ return;
+}
+
+void
+isc__nmhandle_detach(isc_nmhandle_t **handlep FLARG) {
+ isc_nmhandle_t *handle = *handlep;
+ ns_client_t *client = (ns_client_t *)handle;
+ int i;
+
+ *handlep = NULL;
+
+ for (i = 0; i < 32; i++) {
+ if (atomic_load(&client_addrs[i]) == (uintptr_t)client) {
+ break;
+ }
+ }
+ INSIST(i < 32);
+
+ if (atomic_fetch_sub(&client_refs[i], 1) == 1) {
+ dns_view_detach(&client->view);
+ client->state = 4;
+ ns__client_reset_cb(client);
+ ns__client_put_cb(client);
+ isc_mem_put(mctx, client, sizeof(ns_client_t));
+ atomic_store(&client_addrs[i], (uintptr_t)NULL);
+ }
+
+ return;
+}
+
+isc_result_t
+ns_test_serve_zone(const char *zonename, const char *filename,
+ dns_view_t *view) {
+ isc_result_t result;
+ dns_db_t *db = NULL;
+
+ /*
+ * Prepare zone structure for further processing.
+ */
+ result = dns_test_makezone(zonename, &served_zone, view, false);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ /*
+ * Start zone manager.
+ */
+ result = dns_test_setupzonemgr();
+ if (result != ISC_R_SUCCESS) {
+ goto free_zone;
+ }
+
+ /*
+ * Add the zone to the zone manager.
+ */
+ result = dns_test_managezone(served_zone);
+ if (result != ISC_R_SUCCESS) {
+ goto close_zonemgr;
+ }
+
+ view->nocookieudp = 512;
+
+ /*
+ * Set path to the master file for the zone and then load it.
+ */
+ dns_zone_setfile(served_zone, filename, dns_masterformat_text,
+ &dns_master_style_default);
+ result = dns_zone_load(served_zone, false);
+ if (result != ISC_R_SUCCESS) {
+ goto release_zone;
+ }
+
+ /*
+ * The zone should now be loaded; test it.
+ */
+ result = dns_zone_getdb(served_zone, &db);
+ if (result != ISC_R_SUCCESS) {
+ goto release_zone;
+ }
+ if (db != NULL) {
+ dns_db_detach(&db);
+ }
+
+ return (ISC_R_SUCCESS);
+
+release_zone:
+ dns_test_releasezone(served_zone);
+close_zonemgr:
+ dns_test_closezonemgr();
+free_zone:
+ dns_zone_detach(&served_zone);
+
+ return (result);
+}
+
+void
+ns_test_cleanup_zone(void) {
+ dns_test_releasezone(served_zone);
+ dns_test_closezonemgr();
+
+ dns_zone_detach(&served_zone);
+}
+
+isc_result_t
+ns_test_getclient(ns_interface_t *ifp0, bool tcp, ns_client_t **clientp) {
+ isc_result_t result;
+ ns_client_t *client = isc_mem_get(mctx, sizeof(ns_client_t));
+ int i;
+
+ UNUSED(ifp0);
+ UNUSED(tcp);
+
+ result = ns__client_setup(client, clientmgr, true);
+
+ for (i = 0; i < 32; i++) {
+ if (atomic_load(&client_addrs[i]) == (uintptr_t)NULL ||
+ atomic_load(&client_addrs[i]) == (uintptr_t)client)
+ {
+ break;
+ }
+ }
+ REQUIRE(i < 32);
+
+ atomic_store(&client_refs[i], 2);
+ atomic_store(&client_addrs[i], (uintptr_t)client);
+ client->handle = (isc_nmhandle_t *)client; /* Hack */
+ *clientp = client;
+
+ return (result);
+}
+
+/*%
+ * Synthesize a DNS message based on supplied QNAME, QTYPE and flags, then
+ * parse it and store the results in client->message.
+ */
+static isc_result_t
+attach_query_msg_to_client(ns_client_t *client, const char *qnamestr,
+ dns_rdatatype_t qtype, unsigned int qflags) {
+ dns_rdataset_t *qrdataset = NULL;
+ dns_message_t *message = NULL;
+ unsigned char query[65536];
+ dns_name_t *qname = NULL;
+ isc_buffer_t querybuf;
+ dns_compress_t cctx;
+ isc_result_t result;
+
+ REQUIRE(client != NULL);
+ REQUIRE(qnamestr != NULL);
+
+ /*
+ * Create a new DNS message holding a query.
+ */
+ dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &message);
+
+ /*
+ * Set query ID to a random value.
+ */
+ message->id = isc_random16();
+
+ /*
+ * Set query flags as requested by the caller.
+ */
+ message->flags = qflags;
+
+ /*
+ * Allocate structures required to construct the query.
+ */
+ result = dns_message_gettemprdataset(message, &qrdataset);
+ if (result != ISC_R_SUCCESS) {
+ goto destroy_message;
+ }
+ result = dns_message_gettempname(message, &qname);
+ if (result != ISC_R_SUCCESS) {
+ goto put_rdataset;
+ }
+
+ /*
+ * Convert "qnamestr" to a DNS name, create a question rdataset of
+ * class IN and type "qtype", link the two and add the result to the
+ * QUESTION section of the query.
+ */
+ result = dns_name_fromstring(qname, qnamestr, 0, mctx);
+ if (result != ISC_R_SUCCESS) {
+ goto put_name;
+ }
+ dns_rdataset_makequestion(qrdataset, dns_rdataclass_in, qtype);
+ ISC_LIST_APPEND(qname->list, qrdataset, link);
+ dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+
+ /*
+ * Render the query.
+ */
+ dns_compress_init(&cctx, -1, mctx);
+ isc_buffer_init(&querybuf, query, sizeof(query));
+ result = dns_message_renderbegin(message, &cctx, &querybuf);
+ if (result != ISC_R_SUCCESS) {
+ goto destroy_message;
+ }
+ result = dns_message_rendersection(message, DNS_SECTION_QUESTION, 0);
+ if (result != ISC_R_SUCCESS) {
+ goto destroy_message;
+ }
+ result = dns_message_renderend(message);
+ if (result != ISC_R_SUCCESS) {
+ goto destroy_message;
+ }
+ dns_compress_invalidate(&cctx);
+
+ /*
+ * Destroy the created message as it was rendered into "querybuf" and
+ * the latter is all we are going to need from now on.
+ */
+ dns_message_detach(&message);
+
+ /*
+ * Parse the rendered query, storing results in client->message.
+ */
+ isc_buffer_first(&querybuf);
+ return (dns_message_parse(client->message, &querybuf, 0));
+
+put_name:
+ dns_message_puttempname(message, &qname);
+put_rdataset:
+ dns_message_puttemprdataset(message, &qrdataset);
+destroy_message:
+ dns_message_detach(&message);
+
+ return (result);
+}
+
+/*%
+ * A hook action which stores the query context pointed to by "arg" at
+ * "data". Causes execution to be interrupted at hook insertion
+ * point.
+ */
+static ns_hookresult_t
+extract_qctx(void *arg, void *data, isc_result_t *resultp) {
+ query_ctx_t **qctxp;
+ query_ctx_t *qctx;
+
+ REQUIRE(arg != NULL);
+ REQUIRE(data != NULL);
+ REQUIRE(resultp != NULL);
+
+ /*
+ * qctx is a stack variable in lib/ns/query.c. Its contents need to be
+ * duplicated or otherwise they will become invalidated once the stack
+ * gets unwound.
+ */
+ qctx = isc_mem_get(mctx, sizeof(*qctx));
+ if (qctx != NULL) {
+ memmove(qctx, (query_ctx_t *)arg, sizeof(*qctx));
+ }
+
+ qctxp = (query_ctx_t **)data;
+ /*
+ * If memory allocation failed, the supplied pointer will simply be set
+ * to NULL. We rely on the user of this hook to react properly.
+ */
+ *qctxp = qctx;
+ *resultp = ISC_R_UNSET;
+
+ return (NS_HOOK_RETURN);
+}
+
+/*%
+ * Initialize a query context for "client" and store it in "qctxp".
+ *
+ * Requires:
+ *
+ * \li "client->message" to hold a parsed DNS query.
+ */
+static isc_result_t
+create_qctx_for_client(ns_client_t *client, query_ctx_t **qctxp) {
+ ns_hooktable_t *saved_hook_table = NULL, *query_hooks = NULL;
+ const ns_hook_t hook = {
+ .action = extract_qctx,
+ .action_data = qctxp,
+ };
+
+ REQUIRE(client != NULL);
+ REQUIRE(qctxp != NULL);
+ REQUIRE(*qctxp == NULL);
+
+ /*
+ * Call ns_query_start() to initialize a query context for given
+ * client, but first hook into query_setup() so that we can just
+ * extract an initialized query context, without kicking off any
+ * further processing. Make sure we do not overwrite any previously
+ * set hooks.
+ */
+
+ ns_hooktable_create(mctx, &query_hooks);
+ ns_hook_add(query_hooks, mctx, NS_QUERY_SETUP, &hook);
+
+ saved_hook_table = ns__hook_table;
+ ns__hook_table = query_hooks;
+
+ ns_query_start(client, client->handle);
+
+ ns__hook_table = saved_hook_table;
+ ns_hooktable_free(mctx, (void **)&query_hooks);
+
+ isc_nmhandle_detach(&client->reqhandle);
+
+ if (*qctxp == NULL) {
+ return (ISC_R_NOMEMORY);
+ } else {
+ return (ISC_R_SUCCESS);
+ }
+}
+
+isc_result_t
+ns_test_qctx_create(const ns_test_qctx_create_params_t *params,
+ query_ctx_t **qctxp) {
+ ns_client_t *client = NULL;
+ isc_result_t result;
+ isc_nmhandle_t *handle = NULL;
+
+ REQUIRE(params != NULL);
+ REQUIRE(params->qname != NULL);
+ REQUIRE(qctxp != NULL);
+ REQUIRE(*qctxp == NULL);
+
+ /*
+ * Allocate and initialize a client structure.
+ */
+ result = ns_test_getclient(NULL, false, &client);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+ TIME_NOW(&client->tnow);
+
+ /*
+ * Every client needs to belong to a view.
+ */
+ result = dns_test_makeview("view", params->with_cache, &client->view);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_client;
+ }
+
+ /*
+ * Synthesize a DNS query using given QNAME, QTYPE and flags, storing
+ * it in client->message.
+ */
+ result = attach_query_msg_to_client(client, params->qname,
+ params->qtype, params->qflags);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_view;
+ }
+
+ /*
+ * Allow recursion for the client. As NS_CLIENTATTR_RA normally gets
+ * set in ns__client_request(), i.e. earlier than the unit tests hook
+ * into the call chain, just set it manually.
+ */
+ client->attributes |= NS_CLIENTATTR_RA;
+
+ /*
+ * Create a query context for a client sending the previously
+ * synthesized query.
+ */
+ result = create_qctx_for_client(client, qctxp);
+ if (result != ISC_R_SUCCESS) {
+ goto detach_query;
+ }
+
+ /*
+ * The reference count for "client" is now at 2, so we need to
+ * decrement it in order for it to drop to zero when "qctx" gets
+ * destroyed.
+ */
+ handle = client->handle;
+ isc_nmhandle_detach(&handle);
+
+ return (ISC_R_SUCCESS);
+
+detach_query:
+ dns_message_detach(&client->message);
+detach_view:
+ dns_view_detach(&client->view);
+detach_client:
+ isc_nmhandle_detach(&client->handle);
+
+ return (result);
+}
+
+void
+ns_test_qctx_destroy(query_ctx_t **qctxp) {
+ query_ctx_t *qctx;
+
+ REQUIRE(qctxp != NULL);
+ REQUIRE(*qctxp != NULL);
+
+ qctx = *qctxp;
+ *qctxp = NULL;
+
+ if (qctx->zone != NULL) {
+ dns_zone_detach(&qctx->zone);
+ }
+ if (qctx->db != NULL) {
+ dns_db_detach(&qctx->db);
+ }
+ if (qctx->client != NULL) {
+ isc_nmhandle_detach(&qctx->client->handle);
+ }
+
+ isc_mem_put(mctx, qctx, sizeof(*qctx));
+}
+
+ns_hookresult_t
+ns_test_hook_catch_call(void *arg, void *data, isc_result_t *resultp) {
+ UNUSED(arg);
+ UNUSED(data);
+
+ *resultp = ISC_R_UNSET;
+
+ return (NS_HOOK_RETURN);
+}
+
+isc_result_t
+ns_test_loaddb(dns_db_t **db, dns_dbtype_t dbtype, const char *origin,
+ const char *testfile) {
+ isc_result_t result;
+ dns_fixedname_t fixed;
+ dns_name_t *name;
+
+ name = dns_fixedname_initname(&fixed);
+
+ result = dns_name_fromstring(name, origin, 0, NULL);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ result = dns_db_create(mctx, "rbt", name, dbtype, dns_rdataclass_in, 0,
+ NULL, db);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ result = dns_db_load(*db, testfile, dns_masterformat_text, 0);
+ return (result);
+}
+
+static int
+fromhex(char c) {
+ if (c >= '0' && c <= '9') {
+ return (c - '0');
+ } else if (c >= 'a' && c <= 'f') {
+ return (c - 'a' + 10);
+ } else if (c >= 'A' && c <= 'F') {
+ return (c - 'A' + 10);
+ }
+
+ printf("bad input format: %02x\n", c);
+ exit(3);
+}
+
+isc_result_t
+ns_test_getdata(const char *file, unsigned char *buf, size_t bufsiz,
+ size_t *sizep) {
+ isc_result_t result;
+ unsigned char *bp;
+ char *rp, *wp;
+ char s[BUFSIZ];
+ size_t len, i;
+ FILE *f = NULL;
+ int n;
+
+ result = isc_stdio_open(file, "r", &f);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ bp = buf;
+ while (fgets(s, sizeof(s), f) != NULL) {
+ rp = s;
+ wp = s;
+ len = 0;
+ while (*rp != '\0') {
+ if (*rp == '#') {
+ break;
+ }
+ if (*rp != ' ' && *rp != '\t' && *rp != '\r' &&
+ *rp != '\n')
+ {
+ *wp++ = *rp;
+ len++;
+ }
+ rp++;
+ }
+ if (len == 0U) {
+ continue;
+ }
+ if (len % 2 != 0U) {
+ CHECK(ISC_R_UNEXPECTEDEND);
+ }
+ if (len > bufsiz * 2) {
+ CHECK(ISC_R_NOSPACE);
+ }
+ rp = s;
+ for (i = 0; i < len; i += 2) {
+ n = fromhex(*rp++);
+ n *= 16;
+ n += fromhex(*rp++);
+ *bp++ = n;
+ }
+ }
+
+ *sizep = bp - buf;
+
+ result = ISC_R_SUCCESS;
+
+cleanup:
+ isc_stdio_close(f);
+ return (result);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 03:25:46 +0000