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Diffstat (limited to '')
| -rw-r--r-- | lib/dns/tests/master_test.c | 633 |
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 */ |