1 /*- 2 * Copyright (c) 2012-2017 Dag-Erling Smørgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifdef HAVE_CONFIG_H 31 # include "config.h" 32 #endif 33 34 #include <err.h> 35 #include <stdint.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 #include <cryb/test.h> 41 42 #include <security/pam_appl.h> 43 #include <security/openpam.h> 44 45 #include "openpam_impl.h" 46 47 #define T_FUNC(n, d) \ 48 static const char *t_ ## n ## _desc = d; \ 49 static int t_ ## n ## _func(OPENPAM_UNUSED(char **desc), \ 50 OPENPAM_UNUSED(void *arg)) 51 52 #define T(n) \ 53 t_add_test(&t_ ## n ## _func, NULL, "%s", t_ ## n ## _desc) 54 55 /* 56 * Read a line from the temp file and verify that the result matches our 57 * expectations: whether a line was read at all, how many and which words 58 * it contained, how many lines were read (in case of quoted or escaped 59 * newlines) and whether we reached the end of the file. 60 */ 61 static int 62 orlv_expect(struct t_file *tf, const char **expectedv, int lines, int eof) 63 { 64 int expectedc, gotc, i, lineno = 0; 65 char **gotv; 66 int ret; 67 68 ret = 1; 69 expectedc = 0; 70 if (expectedv != NULL) 71 while (expectedv[expectedc] != NULL) 72 ++expectedc; 73 gotv = openpam_readlinev(tf->file, &lineno, &gotc); 74 if (t_ferror(tf)) 75 err(1, "%s(): %s", __func__, tf->name); 76 if (expectedv != NULL && gotv == NULL) { 77 t_printv("expected %d words, got nothing\n", expectedc); 78 ret = 0; 79 } else if (expectedv == NULL && gotv != NULL) { 80 t_printv("expected nothing, got %d words\n", gotc); 81 ret = 0; 82 } else if (expectedv != NULL && gotv != NULL) { 83 if (expectedc != gotc) { 84 t_printv("expected %d words, got %d\n", 85 expectedc, gotc); 86 ret = 0; 87 } 88 for (i = 0; i < gotc; ++i) { 89 if (strcmp(expectedv[i], gotv[i]) != 0) { 90 t_printv("word %d: expected <<%s>>, " 91 "got <<%s>>\n", i, expectedv[i], gotv[i]); 92 ret = 0; 93 } 94 } 95 } 96 FREEV(gotc, gotv); 97 if (lineno != lines) { 98 t_printv("expected to advance %d lines, advanced %d lines\n", 99 lines, lineno); 100 ret = 0; 101 } 102 if (eof && !t_feof(tf)) { 103 t_printv("expected EOF, but didn't get it\n"); 104 ret = 0; 105 } else if (!eof && t_feof(tf)) { 106 t_printv("didn't expect EOF, but got it anyway\n"); 107 ret = 0; 108 } 109 return (ret); 110 } 111 112 113 /*************************************************************************** 114 * Commonly-used lines 115 */ 116 117 static const char *empty[] = { 118 NULL 119 }; 120 121 static const char *hello[] = { 122 "hello", 123 NULL 124 }; 125 126 static const char *hello_world[] = { 127 "hello", 128 "world", 129 NULL 130 }; 131 132 static const char *numbers[] = { 133 "zero", "one", "two", "three", "four", "five", "six", "seven", 134 "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", 135 "fifteen", "sixteen", "seventeen", "nineteen", "twenty", 136 "twenty-one", "twenty-two", "twenty-three", "twenty-four", 137 "twenty-five", "twenty-six", "twenty-seven", "twenty-eight", 138 "twenty-nine", "thirty", "thirty-one", "thirty-two", "thirty-three", 139 "thirty-four", "thirty-five", "thirty-six", "thirty-seven", 140 "thirty-eight", "thirty-nine", "fourty", "fourty-one", "fourty-two", 141 "fourty-three", "fourty-four", "fourty-five", "fourty-six", 142 "fourty-seven", "fourty-eight", "fourty-nine", "fifty", "fifty-one", 143 "fifty-two", "fifty-three", "fifty-four", "fifty-five", "fifty-six", 144 "fifty-seven", "fifty-eight", "fifty-nine", "sixty", "sixty-one", 145 "sixty-two", "sixty-three", 146 NULL 147 }; 148 149 150 /*************************************************************************** 151 * Lines without words 152 */ 153 154 T_FUNC(empty_input, "empty input") 155 { 156 struct t_file *tf; 157 int ret; 158 159 tf = t_fopen(NULL); 160 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 161 t_fclose(tf); 162 return (ret); 163 } 164 165 T_FUNC(empty_line, "empty line") 166 { 167 struct t_file *tf; 168 int ret; 169 170 tf = t_fopen(NULL); 171 t_fprintf(tf, "\n"); 172 t_frewind(tf); 173 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 174 t_fclose(tf); 175 return (ret); 176 } 177 178 T_FUNC(unterminated_empty_line, "unterminated empty line") 179 { 180 struct t_file *tf; 181 int ret; 182 183 tf = t_fopen(NULL); 184 t_fprintf(tf, " "); 185 t_frewind(tf); 186 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 187 t_fclose(tf); 188 return (ret); 189 } 190 191 T_FUNC(whitespace, "whitespace") 192 { 193 struct t_file *tf; 194 int ret; 195 196 tf = t_fopen(NULL); 197 t_fprintf(tf, " \n"); 198 t_frewind(tf); 199 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 200 t_fclose(tf); 201 return (ret); 202 } 203 204 T_FUNC(comment, "comment") 205 { 206 struct t_file *tf; 207 int ret; 208 209 tf = t_fopen(NULL); 210 t_fprintf(tf, "# comment\n"); 211 t_frewind(tf); 212 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 213 t_fclose(tf); 214 return (ret); 215 } 216 217 T_FUNC(whitespace_before_comment, "whitespace before comment") 218 { 219 struct t_file *tf; 220 int ret; 221 222 tf = t_fopen(NULL); 223 t_fprintf(tf, " # comment\n"); 224 t_frewind(tf); 225 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 226 t_fclose(tf); 227 return (ret); 228 } 229 230 T_FUNC(line_continuation_within_whitespace, "line continuation within whitespace") 231 { 232 struct t_file *tf; 233 int ret; 234 235 tf = t_fopen(NULL); 236 t_fprintf(tf, "%s \\\n %s\n", hello_world[0], hello_world[1]); 237 t_frewind(tf); 238 ret = orlv_expect(tf, hello_world, 2 /*lines*/, 0 /*eof*/) && 239 orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 240 t_fclose(tf); 241 return (ret); 242 } 243 244 245 /*************************************************************************** 246 * Simple words 247 */ 248 249 T_FUNC(one_word, "one word") 250 { 251 struct t_file *tf; 252 int ret; 253 254 tf = t_fopen(NULL); 255 t_fprintf(tf, "hello\n"); 256 t_frewind(tf); 257 ret = orlv_expect(tf, hello, 1 /*lines*/, 0 /*eof*/); 258 t_fclose(tf); 259 return (ret); 260 } 261 262 T_FUNC(two_words, "two words") 263 { 264 struct t_file *tf; 265 int ret; 266 267 tf = t_fopen(NULL); 268 t_fprintf(tf, "hello world\n"); 269 t_frewind(tf); 270 ret = orlv_expect(tf, hello_world, 1 /*lines*/, 0 /*eof*/); 271 t_fclose(tf); 272 return (ret); 273 } 274 275 T_FUNC(many_words, "many words") 276 { 277 struct t_file *tf; 278 const char **word; 279 int ret; 280 281 tf = t_fopen(NULL); 282 for (word = numbers; *word; ++word) 283 t_fprintf(tf, " %s", *word); 284 t_fprintf(tf, "\n"); 285 t_frewind(tf); 286 ret = orlv_expect(tf, numbers, 1 /*lines*/, 0 /*eof*/); 287 t_fclose(tf); 288 return (ret); 289 } 290 291 T_FUNC(unterminated_line, "unterminated line") 292 { 293 struct t_file *tf; 294 int ret; 295 296 tf = t_fopen(NULL); 297 t_fprintf(tf, "hello world"); 298 t_frewind(tf); 299 ret = orlv_expect(tf, hello_world, 0 /*lines*/, 1 /*eof*/); 300 t_fclose(tf); 301 return (ret); 302 } 303 304 305 /*************************************************************************** 306 * Boilerplate 307 */ 308 309 static int 310 t_prepare(int argc, char *argv[]) 311 { 312 313 (void)argc; 314 (void)argv; 315 316 T(empty_input); 317 T(empty_line); 318 T(unterminated_empty_line); 319 T(whitespace); 320 T(comment); 321 T(whitespace_before_comment); 322 T(line_continuation_within_whitespace); 323 324 T(one_word); 325 T(two_words); 326 T(many_words); 327 T(unterminated_line); 328 329 return (0); 330 } 331 332 int 333 main(int argc, char *argv[]) 334 { 335 336 t_main(t_prepare, NULL, argc, argv); 337 } 338