Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 633 insertions, 0 deletions

diff --git a/lib/dns/tests/master_test.c b/lib/dns/tests/master_test.c
new file mode 100644
index 0000000..c060c0d
--- /dev/null
+++ b/lib/dns/tests/master_test.c
@@ -0,0 +1,633 @@
+/*
+ * 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.
+ */
+
+#if HAVE_CMOCKA
+
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/cache.h>
+#include <dns/callbacks.h>
+#include <dns/db.h>
+#include <dns/master.h>
+#include <dns/masterdump.h>
+#include <dns/name.h>
+#include <dns/rdata.h>
+#include <dns/rdatalist.h>
+#include <dns/rdataset.h>
+
+#include "dnstest.h"
+
+static int
+_setup(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = dns_test_begin(NULL, false);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	return (0);
+}
+
+static int
+_teardown(void **state) {
+	UNUSED(state);
+
+	dns_test_end();
+
+	return (0);
+}
+
+static void
+nullmsg(dns_rdatacallbacks_t *cb, const char *fmt, ...) {
+	UNUSED(cb);
+	UNUSED(fmt);
+}
+
+#define BUFLEN	    255
+#define BIGBUFLEN   (70 * 1024)
+#define TEST_ORIGIN "test"
+
+static dns_masterrawheader_t header;
+static bool headerset;
+
+dns_name_t dns_origin;
+char origin[sizeof(TEST_ORIGIN)];
+unsigned char name_buf[BUFLEN];
+dns_rdatacallbacks_t callbacks;
+char *include_file = NULL;
+
+static void
+rawdata_callback(dns_zone_t *zone, dns_masterrawheader_t *header);
+
+static isc_result_t
+add_callback(void *arg, const dns_name_t *owner, dns_rdataset_t *dataset) {
+	char buf[BIGBUFLEN];
+	isc_buffer_t target;
+	isc_result_t result;
+
+	UNUSED(arg);
+
+	isc_buffer_init(&target, buf, BIGBUFLEN);
+	result = dns_rdataset_totext(dataset, owner, false, false, &target);
+	return (result);
+}
+
+static void
+rawdata_callback(dns_zone_t *zone, dns_masterrawheader_t *h) {
+	UNUSED(zone);
+	header = *h;
+	headerset = true;
+}
+
+static isc_result_t
+setup_master(void (*warn)(struct dns_rdatacallbacks *, const char *, ...),
+	     void (*error)(struct dns_rdatacallbacks *, const char *, ...)) {
+	isc_result_t result;
+	int len;
+	isc_buffer_t source;
+	isc_buffer_t target;
+
+	strlcpy(origin, TEST_ORIGIN, sizeof(origin));
+	len = strlen(origin);
+	isc_buffer_init(&source, origin, len);
+	isc_buffer_add(&source, len);
+	isc_buffer_setactive(&source, len);
+	isc_buffer_init(&target, name_buf, BUFLEN);
+	dns_name_init(&dns_origin, NULL);
+	dns_master_initrawheader(&header);
+
+	result = dns_name_fromtext(&dns_origin, &source, dns_rootname, 0,
+				   &target);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	dns_rdatacallbacks_init_stdio(&callbacks);
+	callbacks.add = add_callback;
+	callbacks.rawdata = rawdata_callback;
+	callbacks.zone = NULL;
+	if (warn != NULL) {
+		callbacks.warn = warn;
+	}
+	if (error != NULL) {
+		callbacks.error = error;
+	}
+	headerset = false;
+	return (result);
+}
+
+static isc_result_t
+test_master(const char *testfile, dns_masterformat_t format,
+	    void (*warn)(struct dns_rdatacallbacks *, const char *, ...),
+	    void (*error)(struct dns_rdatacallbacks *, const char *, ...)) {
+	isc_result_t result;
+
+	result = setup_master(warn, error);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	dns_rdatacallbacks_init_stdio(&callbacks);
+	callbacks.add = add_callback;
+	callbacks.rawdata = rawdata_callback;
+	callbacks.zone = NULL;
+	if (warn != NULL) {
+		callbacks.warn = warn;
+	}
+	if (error != NULL) {
+		callbacks.error = error;
+	}
+
+	result = dns_master_loadfile(testfile, &dns_origin, &dns_origin,
+				     dns_rdataclass_in, true, 0, &callbacks,
+				     NULL, NULL, dt_mctx, format, 0);
+	return (result);
+}
+
+static void
+include_callback(const char *filename, void *arg) {
+	char **argp = (char **)arg;
+	*argp = isc_mem_strdup(dt_mctx, filename);
+}
+
+/*
+ * Successful load test:
+ * dns_master_loadfile() loads a valid master file and returns success
+ */
+static void
+load_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master1.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/*
+ * Unexpected end of file test:
+ * dns_master_loadfile() returns DNS_R_UNEXPECTED when file ends too soon
+ */
+static void
+unexpected_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master2.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_UNEXPECTEDEND);
+}
+
+/*
+ * No owner test:
+ * dns_master_loadfile() accepts broken zones with no TTL for first record
+ * if it is an SOA
+ */
+static void
+noowner_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master3.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, DNS_R_NOOWNER);
+}
+
+/*
+ * No TTL test:
+ * dns_master_loadfile() returns DNS_R_NOOWNER when no owner name is
+ * specified
+ */
+static void
+nottl_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master4.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/*
+ * Bad class test:
+ * dns_master_loadfile() returns DNS_R_BADCLASS when record class doesn't
+ * match zone class
+ */
+static void
+badclass_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master5.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, DNS_R_BADCLASS);
+}
+
+/*
+ * Too big rdata test:
+ * dns_master_loadfile() returns ISC_R_NOSPACE when record is too big
+ */
+static void
+toobig_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master15.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_NOSPACE);
+}
+
+/*
+ * Maximum rdata test:
+ * dns_master_loadfile() returns ISC_R_SUCCESS when record is maximum size
+ */
+static void
+maxrdata_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master16.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/*
+ * DNSKEY test:
+ * dns_master_loadfile() understands DNSKEY with key material
+ */
+static void
+dnskey_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master6.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/*
+ * DNSKEY with no key material test:
+ * dns_master_loadfile() understands DNSKEY with no key material
+ *
+ * RFC 4034 removed the ability to signal NOKEY, so empty key material should
+ * be rejected.
+ */
+static void
+dnsnokey_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master7.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_UNEXPECTEDEND);
+}
+
+/*
+ * Include test:
+ * dns_master_loadfile() understands $INCLUDE
+ */
+static void
+include_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master8.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, DNS_R_SEENINCLUDE);
+}
+
+/*
+ * Include file list test:
+ * dns_master_loadfile4() returns names of included file
+ */
+static void
+master_includelist_test(void **state) {
+	isc_result_t result;
+	char *filename = NULL;
+
+	UNUSED(state);
+
+	result = setup_master(nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = dns_master_loadfile(
+		"testdata/master/master8.data", &dns_origin, &dns_origin,
+		dns_rdataclass_in, 0, true, &callbacks, include_callback,
+		&filename, dt_mctx, dns_masterformat_text, 0);
+	assert_int_equal(result, DNS_R_SEENINCLUDE);
+	assert_non_null(filename);
+	if (filename != NULL) {
+		assert_string_equal(filename, "testdata/master/master6.data");
+		isc_mem_free(dt_mctx, filename);
+	}
+}
+
+/*
+ * Include failure test:
+ * dns_master_loadfile() understands $INCLUDE failures
+ */
+static void
+includefail_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master9.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, DNS_R_BADCLASS);
+}
+
+/*
+ * Non-empty blank lines test:
+ * dns_master_loadfile() handles non-empty blank lines
+ */
+static void
+blanklines_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master10.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/*
+ * SOA leading zeroes test:
+ * dns_master_loadfile() allows leading zeroes in SOA
+ */
+
+static void
+leadingzero_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = test_master("testdata/master/master11.data",
+			     dns_masterformat_text, nullmsg, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+}
+
+/* masterfile totext tests */
+static void
+totext_test(void **state) {
+	isc_result_t result;
+	dns_rdataset_t rdataset;
+	dns_rdatalist_t rdatalist;
+	isc_buffer_t target;
+	unsigned char buf[BIGBUFLEN];
+
+	UNUSED(state);
+
+	/* First, test with an empty rdataset */
+	dns_rdatalist_init(&rdatalist);
+	rdatalist.rdclass = dns_rdataclass_in;
+	rdatalist.type = dns_rdatatype_none;
+	rdatalist.covers = dns_rdatatype_none;
+
+	dns_rdataset_init(&rdataset);
+	result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	isc_buffer_init(&target, buf, BIGBUFLEN);
+	result = dns_master_rdatasettotext(dns_rootname, &rdataset,
+					   &dns_master_style_debug, NULL,
+					   &target);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	assert_int_equal(isc_buffer_usedlength(&target), 0);
+
+	/*
+	 * XXX: We will also need to add tests for dumping various
+	 * rdata types, classes, etc, and comparing the results against
+	 * known-good output.
+	 */
+}
+
+/*
+ * Raw load test:
+ * dns_master_loadfile() loads a valid raw file and returns success
+ */
+static void
+loadraw_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	/* Raw format version 0 */
+	result = test_master("testdata/master/master12.data",
+			     dns_masterformat_raw, nullmsg, nullmsg);
+	assert_string_equal(isc_result_totext(result), "success");
+	assert_true(headerset);
+	assert_int_equal(header.flags, 0);
+
+	/* Raw format version 1, no source serial  */
+	result = test_master("testdata/master/master13.data",
+			     dns_masterformat_raw, nullmsg, nullmsg);
+	assert_string_equal(isc_result_totext(result), "success");
+	assert_true(headerset);
+	assert_int_equal(header.flags, 0);
+
+	/* Raw format version 1, source serial == 2011120101 */
+	result = test_master("testdata/master/master14.data",
+			     dns_masterformat_raw, nullmsg, nullmsg);
+	assert_string_equal(isc_result_totext(result), "success");
+	assert_true(headerset);
+	assert_true((header.flags & DNS_MASTERRAW_SOURCESERIALSET) != 0);
+	assert_int_equal(header.sourceserial, 2011120101);
+}
+
+/*
+ * Raw dump test:
+ * dns_master_dump*() functions dump valid raw files
+ */
+static void
+dumpraw_test(void **state) {
+	isc_result_t result;
+	dns_db_t *db = NULL;
+	dns_dbversion_t *version = NULL;
+	char myorigin[sizeof(TEST_ORIGIN)];
+	dns_name_t dnsorigin;
+	isc_buffer_t source, target;
+	unsigned char namebuf[BUFLEN];
+	int len;
+
+	UNUSED(state);
+
+	strlcpy(myorigin, TEST_ORIGIN, sizeof(myorigin));
+	len = strlen(myorigin);
+	isc_buffer_init(&source, myorigin, len);
+	isc_buffer_add(&source, len);
+	isc_buffer_setactive(&source, len);
+	isc_buffer_init(&target, namebuf, BUFLEN);
+	dns_name_init(&dnsorigin, NULL);
+	result = dns_name_fromtext(&dnsorigin, &source, dns_rootname, 0,
+				   &target);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = dns_db_create(dt_mctx, "rbt", &dnsorigin, dns_dbtype_zone,
+			       dns_rdataclass_in, 0, NULL, &db);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = dns_db_load(db, "testdata/master/master1.data",
+			     dns_masterformat_text, 0);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	dns_db_currentversion(db, &version);
+
+	result = dns_master_dump(dt_mctx, db, version,
+				 &dns_master_style_default, "test.dump",
+				 dns_masterformat_raw, NULL);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = test_master("test.dump", dns_masterformat_raw, nullmsg,
+			     nullmsg);
+	assert_string_equal(isc_result_totext(result), "success");
+	assert_true(headerset);
+	assert_int_equal(header.flags, 0);
+
+	dns_master_initrawheader(&header);
+	header.sourceserial = 12345;
+	header.flags |= DNS_MASTERRAW_SOURCESERIALSET;
+
+	unlink("test.dump");
+	result = dns_master_dump(dt_mctx, db, version,
+				 &dns_master_style_default, "test.dump",
+				 dns_masterformat_raw, &header);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = test_master("test.dump", dns_masterformat_raw, nullmsg,
+			     nullmsg);
+	assert_string_equal(isc_result_totext(result), "success");
+	assert_true(headerset);
+	assert_true((header.flags & DNS_MASTERRAW_SOURCESERIALSET) != 0);
+	assert_int_equal(header.sourceserial, 12345);
+
+	unlink("test.dump");
+	dns_db_closeversion(db, &version, false);
+	dns_db_detach(&db);
+}
+
+static const char *warn_expect_value;
+static bool warn_expect_result;
+
+static void
+warn_expect(struct dns_rdatacallbacks *mycallbacks, const char *fmt, ...) {
+	char buf[4096];
+	va_list ap;
+
+	UNUSED(mycallbacks);
+
+	warn_expect_result = false;
+
+	va_start(ap, fmt);
+	vsnprintf(buf, sizeof(buf), fmt, ap);
+	va_end(ap);
+
+	if (warn_expect_value != NULL && strstr(buf, warn_expect_value) != NULL)
+	{
+		warn_expect_result = true;
+	}
+}
+
+/*
+ * Origin change test:
+ * dns_master_loadfile() rejects zones with inherited name following $ORIGIN
+ */
+static void
+neworigin_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	warn_expect_value = "record with inherited owner";
+	result = test_master("testdata/master/master17.data",
+			     dns_masterformat_text, warn_expect, nullmsg);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	assert_true(warn_expect_result);
+}
+
+int
+main(void) {
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test_setup_teardown(load_test, _setup, _teardown),
+		cmocka_unit_test_setup_teardown(unexpected_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(noowner_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(nottl_test, _setup, _teardown),
+		cmocka_unit_test_setup_teardown(badclass_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(dnskey_test, _setup, _teardown),
+		cmocka_unit_test_setup_teardown(dnsnokey_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(include_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(master_includelist_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(includefail_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(blanklines_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(leadingzero_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(totext_test, _setup, _teardown),
+		cmocka_unit_test_setup_teardown(loadraw_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(dumpraw_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(toobig_test, _setup, _teardown),
+		cmocka_unit_test_setup_teardown(maxrdata_test, _setup,
+						_teardown),
+		cmocka_unit_test_setup_teardown(neworigin_test, _setup,
+						_teardown),
+	};
+
+	return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("1..0 # Skipped: cmocka not available\n");
+	return (SKIPPED_TEST_EXIT_CODE);
+}
+
+#endif /* if HAVE_CMOCKA */