1 /* $NetBSD: parser_test.c,v 1.3 2025/01/26 16:25:51 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #include <inttypes.h> 17 #include <sched.h> /* IWYU pragma: keep */ 18 #include <setjmp.h> 19 #include <stdarg.h> 20 #include <stddef.h> 21 #include <stdio.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <unistd.h> 25 26 #define UNIT_TESTING 27 #include <cmocka.h> 28 29 #include <isc/buffer.h> 30 #include <isc/lex.h> 31 #include <isc/log.h> 32 #include <isc/mem.h> 33 #include <isc/string.h> 34 #include <isc/types.h> 35 #include <isc/util.h> 36 37 #include <isccfg/cfg.h> 38 #include <isccfg/grammar.h> 39 #include <isccfg/namedconf.h> 40 41 #include <tests/isc.h> 42 43 static isc_logcategory_t categories[] = { { "", 0 }, 44 { "client", 0 }, 45 { "network", 0 }, 46 { "update", 0 }, 47 { "queries", 0 }, 48 { "unmatched", 0 }, 49 { "update-security", 0 }, 50 { "query-errors", 0 }, 51 { NULL, 0 } }; 52 53 ISC_SETUP_TEST_IMPL(group) { 54 isc_result_t result; 55 isc_logdestination_t destination; 56 isc_logconfig_t *logconfig = NULL; 57 58 isc_log_create(mctx, &lctx, &logconfig); 59 isc_log_registercategories(lctx, categories); 60 isc_log_setcontext(lctx); 61 62 destination.file.stream = stderr; 63 destination.file.name = NULL; 64 destination.file.versions = ISC_LOG_ROLLNEVER; 65 destination.file.maximum_size = 0; 66 isc_log_createchannel(logconfig, "stderr", ISC_LOG_TOFILEDESC, 67 ISC_LOG_DYNAMIC, &destination, 0); 68 result = isc_log_usechannel(logconfig, "stderr", NULL, NULL); 69 70 if (result != ISC_R_SUCCESS) { 71 return -1; 72 } 73 74 return 0; 75 } 76 77 ISC_TEARDOWN_TEST_IMPL(group) { 78 if (lctx == NULL) { 79 return -1; 80 } 81 82 isc_log_setcontext(NULL); 83 isc_log_destroy(&lctx); 84 85 return 0; 86 } 87 88 /* mimic calling nzf_append() */ 89 static void 90 append(void *arg, const char *str, int len) { 91 char *buf = arg; 92 size_t l = strlen(buf); 93 snprintf(buf + l, 1024 - l, "%.*s", len, str); 94 } 95 96 ISC_RUN_TEST_IMPL(addzoneconf) { 97 isc_result_t result; 98 isc_buffer_t b; 99 cfg_parser_t *p = NULL; 100 const char *tests[] = { 101 "zone \"test4.baz\" { type primary; file \"e.db\"; };", 102 "zone \"test/.baz\" { type primary; file \"e.db\"; };", 103 "zone \"test\\\".baz\" { type primary; file \"e.db\"; };", 104 "zone \"test\\.baz\" { type primary; file \"e.db\"; };", 105 "zone \"test\\\\.baz\" { type primary; file \"e.db\"; };", 106 "zone \"test\\032.baz\" { type primary; file \"e.db\"; };", 107 "zone \"test\\010.baz\" { type primary; file \"e.db\"; };" 108 }; 109 char buf[1024]; 110 111 /* Parse with default line numbering */ 112 result = cfg_parser_create(mctx, lctx, &p); 113 assert_int_equal(result, ISC_R_SUCCESS); 114 115 for (size_t i = 0; i < ARRAY_SIZE(tests); i++) { 116 cfg_obj_t *conf = NULL; 117 const cfg_obj_t *obj = NULL, *zlist = NULL; 118 119 isc_buffer_constinit(&b, tests[i], strlen(tests[i])); 120 isc_buffer_add(&b, strlen(tests[i])); 121 122 result = cfg_parse_buffer(p, &b, "text1", 0, 123 &cfg_type_namedconf, 0, &conf); 124 assert_int_equal(result, ISC_R_SUCCESS); 125 126 /* 127 * Mimic calling nzf_append() from bin/named/server.c 128 * and check that the output matches the input. 129 */ 130 result = cfg_map_get(conf, "zone", &zlist); 131 assert_int_equal(result, ISC_R_SUCCESS); 132 133 obj = cfg_listelt_value(cfg_list_first(zlist)); 134 assert_ptr_not_equal(obj, NULL); 135 136 strlcpy(buf, "zone ", sizeof(buf)); 137 cfg_printx(obj, CFG_PRINTER_ONELINE, append, buf); 138 strlcat(buf, ";", sizeof(buf)); 139 assert_string_equal(tests[i], buf); 140 141 cfg_obj_destroy(p, &conf); 142 cfg_parser_reset(p); 143 } 144 145 cfg_parser_destroy(&p); 146 } 147 148 /* test cfg_parse_buffer() */ 149 ISC_RUN_TEST_IMPL(parse_buffer) { 150 isc_result_t result; 151 unsigned char text[] = "options\n{\nrecursion yes;\n};\n"; 152 isc_buffer_t buf1, buf2; 153 cfg_parser_t *p1 = NULL, *p2 = NULL; 154 cfg_obj_t *c1 = NULL, *c2 = NULL; 155 156 isc_buffer_init(&buf1, &text[0], sizeof(text) - 1); 157 isc_buffer_add(&buf1, sizeof(text) - 1); 158 159 /* Parse with default line numbering */ 160 result = cfg_parser_create(mctx, lctx, &p1); 161 assert_int_equal(result, ISC_R_SUCCESS); 162 163 result = cfg_parse_buffer(p1, &buf1, "text1", 0, &cfg_type_namedconf, 0, 164 &c1); 165 assert_int_equal(result, ISC_R_SUCCESS); 166 assert_int_equal(p1->line, 5); 167 168 isc_buffer_init(&buf2, &text[0], sizeof(text) - 1); 169 isc_buffer_add(&buf2, sizeof(text) - 1); 170 171 /* Parse with changed line number */ 172 result = cfg_parser_create(mctx, lctx, &p2); 173 assert_int_equal(result, ISC_R_SUCCESS); 174 175 result = cfg_parse_buffer(p2, &buf2, "text2", 100, &cfg_type_namedconf, 176 0, &c2); 177 assert_int_equal(result, ISC_R_SUCCESS); 178 assert_int_equal(p2->line, 104); 179 180 cfg_obj_destroy(p1, &c1); 181 cfg_obj_destroy(p2, &c2); 182 183 cfg_parser_destroy(&p1); 184 cfg_parser_destroy(&p2); 185 } 186 187 /* test cfg_map_firstclause() */ 188 ISC_RUN_TEST_IMPL(cfg_map_firstclause) { 189 const char *name = NULL; 190 const void *clauses = NULL; 191 unsigned int idx; 192 193 name = cfg_map_firstclause(&cfg_type_zoneopts, &clauses, &idx); 194 assert_non_null(name); 195 assert_non_null(clauses); 196 assert_int_equal(idx, 0); 197 } 198 199 /* test cfg_map_nextclause() */ 200 ISC_RUN_TEST_IMPL(cfg_map_nextclause) { 201 const char *name = NULL; 202 const void *clauses = NULL; 203 unsigned int idx; 204 205 name = cfg_map_firstclause(&cfg_type_zoneopts, &clauses, &idx); 206 assert_non_null(name); 207 assert_non_null(clauses); 208 assert_int_equal(idx, ISC_R_SUCCESS); 209 210 do { 211 name = cfg_map_nextclause(&cfg_type_zoneopts, &clauses, &idx); 212 if (name != NULL) { 213 assert_non_null(clauses); 214 } else { 215 assert_null(clauses); 216 assert_int_equal(idx, 0); 217 } 218 } while (name != NULL); 219 } 220 221 ISC_TEST_LIST_START 222 223 ISC_TEST_ENTRY(addzoneconf) 224 ISC_TEST_ENTRY(parse_buffer) 225 ISC_TEST_ENTRY(cfg_map_firstclause) 226 ISC_TEST_ENTRY(cfg_map_nextclause) 227 228 ISC_TEST_LIST_END 229 230 ISC_TEST_MAIN_CUSTOM(setup_test_group, teardown_test_group) 231