1 /* $NetBSD: parser_test.c,v 1.2 2024/02/21 22:52:51 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/print.h> 34 #include <isc/string.h> 35 #include <isc/types.h> 36 #include <isc/util.h> 37 38 #include <isccfg/cfg.h> 39 #include <isccfg/grammar.h> 40 #include <isccfg/namedconf.h> 41 42 #include <tests/isc.h> 43 44 isc_log_t *lctx = NULL; 45 static isc_logcategory_t categories[] = { { "", 0 }, 46 { "client", 0 }, 47 { "network", 0 }, 48 { "update", 0 }, 49 { "queries", 0 }, 50 { "unmatched", 0 }, 51 { "update-security", 0 }, 52 { "query-errors", 0 }, 53 { NULL, 0 } }; 54 55 ISC_SETUP_TEST_IMPL(group) { 56 isc_result_t result; 57 isc_logdestination_t destination; 58 isc_logconfig_t *logconfig = NULL; 59 60 isc_log_create(mctx, &lctx, &logconfig); 61 isc_log_registercategories(lctx, categories); 62 isc_log_setcontext(lctx); 63 64 destination.file.stream = stderr; 65 destination.file.name = NULL; 66 destination.file.versions = ISC_LOG_ROLLNEVER; 67 destination.file.maximum_size = 0; 68 isc_log_createchannel(logconfig, "stderr", ISC_LOG_TOFILEDESC, 69 ISC_LOG_DYNAMIC, &destination, 0); 70 result = isc_log_usechannel(logconfig, "stderr", NULL, NULL); 71 72 if (result != ISC_R_SUCCESS) { 73 return (-1); 74 } 75 76 return (0); 77 } 78 79 ISC_TEARDOWN_TEST_IMPL(group) { 80 if (lctx == NULL) { 81 return (-1); 82 } 83 84 isc_log_setcontext(NULL); 85 isc_log_destroy(&lctx); 86 87 return (0); 88 } 89 90 /* mimic calling nzf_append() */ 91 static void 92 append(void *arg, const char *str, int len) { 93 char *buf = arg; 94 size_t l = strlen(buf); 95 snprintf(buf + l, 1024 - l, "%.*s", len, str); 96 } 97 98 ISC_RUN_TEST_IMPL(addzoneconf) { 99 isc_result_t result; 100 isc_buffer_t b; 101 cfg_parser_t *p = NULL; 102 const char *tests[] = { 103 "zone \"test4.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\\.baz\" { type primary; file \"e.db\"; };", 107 "zone \"test\\\\.baz\" { type primary; file \"e.db\"; };", 108 "zone \"test\\032.baz\" { type primary; file \"e.db\"; };", 109 "zone \"test\\010.baz\" { type primary; file \"e.db\"; };" 110 }; 111 char buf[1024]; 112 113 /* Parse with default line numbering */ 114 result = cfg_parser_create(mctx, lctx, &p); 115 assert_int_equal(result, ISC_R_SUCCESS); 116 117 for (size_t i = 0; i < ARRAY_SIZE(tests); i++) { 118 cfg_obj_t *conf = NULL; 119 const cfg_obj_t *obj = NULL, *zlist = NULL; 120 121 isc_buffer_constinit(&b, tests[i], strlen(tests[i])); 122 isc_buffer_add(&b, strlen(tests[i])); 123 124 result = cfg_parse_buffer(p, &b, "text1", 0, 125 &cfg_type_namedconf, 0, &conf); 126 assert_int_equal(result, ISC_R_SUCCESS); 127 128 /* 129 * Mimic calling nzf_append() from bin/named/server.c 130 * and check that the output matches the input. 131 */ 132 result = cfg_map_get(conf, "zone", &zlist); 133 assert_int_equal(result, ISC_R_SUCCESS); 134 135 obj = cfg_listelt_value(cfg_list_first(zlist)); 136 assert_ptr_not_equal(obj, NULL); 137 138 strlcpy(buf, "zone ", sizeof(buf)); 139 cfg_printx(obj, CFG_PRINTER_ONELINE, append, buf); 140 strlcat(buf, ";", sizeof(buf)); 141 assert_string_equal(tests[i], buf); 142 143 cfg_obj_destroy(p, &conf); 144 cfg_parser_reset(p); 145 } 146 147 cfg_parser_destroy(&p); 148 } 149 150 /* test cfg_parse_buffer() */ 151 ISC_RUN_TEST_IMPL(parse_buffer) { 152 isc_result_t result; 153 unsigned char text[] = "options\n{\nrecursion yes;\n};\n"; 154 isc_buffer_t buf1, buf2; 155 cfg_parser_t *p1 = NULL, *p2 = NULL; 156 cfg_obj_t *c1 = NULL, *c2 = NULL; 157 158 isc_buffer_init(&buf1, &text[0], sizeof(text) - 1); 159 isc_buffer_add(&buf1, sizeof(text) - 1); 160 161 /* Parse with default line numbering */ 162 result = cfg_parser_create(mctx, lctx, &p1); 163 assert_int_equal(result, ISC_R_SUCCESS); 164 165 result = cfg_parse_buffer(p1, &buf1, "text1", 0, &cfg_type_namedconf, 0, 166 &c1); 167 assert_int_equal(result, ISC_R_SUCCESS); 168 assert_int_equal(p1->line, 5); 169 170 isc_buffer_init(&buf2, &text[0], sizeof(text) - 1); 171 isc_buffer_add(&buf2, sizeof(text) - 1); 172 173 /* Parse with changed line number */ 174 result = cfg_parser_create(mctx, lctx, &p2); 175 assert_int_equal(result, ISC_R_SUCCESS); 176 177 result = cfg_parse_buffer(p2, &buf2, "text2", 100, &cfg_type_namedconf, 178 0, &c2); 179 assert_int_equal(result, ISC_R_SUCCESS); 180 assert_int_equal(p2->line, 104); 181 182 cfg_obj_destroy(p1, &c1); 183 cfg_obj_destroy(p2, &c2); 184 185 cfg_parser_destroy(&p1); 186 cfg_parser_destroy(&p2); 187 } 188 189 /* test cfg_map_firstclause() */ 190 ISC_RUN_TEST_IMPL(cfg_map_firstclause) { 191 const char *name = NULL; 192 const void *clauses = NULL; 193 unsigned int idx; 194 195 name = cfg_map_firstclause(&cfg_type_zoneopts, &clauses, &idx); 196 assert_non_null(name); 197 assert_non_null(clauses); 198 assert_int_equal(idx, 0); 199 } 200 201 /* test cfg_map_nextclause() */ 202 ISC_RUN_TEST_IMPL(cfg_map_nextclause) { 203 const char *name = NULL; 204 const void *clauses = NULL; 205 unsigned int idx; 206 207 name = cfg_map_firstclause(&cfg_type_zoneopts, &clauses, &idx); 208 assert_non_null(name); 209 assert_non_null(clauses); 210 assert_int_equal(idx, ISC_R_SUCCESS); 211 212 do { 213 name = cfg_map_nextclause(&cfg_type_zoneopts, &clauses, &idx); 214 if (name != NULL) { 215 assert_non_null(clauses); 216 } else { 217 assert_null(clauses); 218 assert_int_equal(idx, 0); 219 } 220 } while (name != NULL); 221 } 222 223 ISC_TEST_LIST_START 224 225 ISC_TEST_ENTRY(addzoneconf) 226 ISC_TEST_ENTRY(parse_buffer) 227 ISC_TEST_ENTRY(cfg_map_firstclause) 228 ISC_TEST_ENTRY(cfg_map_nextclause) 229 230 ISC_TEST_LIST_END 231 232 ISC_TEST_MAIN_CUSTOM(setup_test_group, teardown_test_group) 233