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 static const char *numbers[] = { 151 "zero", "one", "two", "three", "four", "five", "six", "seven", 152 "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", 153 "fifteen", "sixteen", "seventeen", "nineteen", "twenty", 154 "twenty-one", "twenty-two", "twenty-three", "twenty-four", 155 "twenty-five", "twenty-six", "twenty-seven", "twenty-eight", 156 "twenty-nine", "thirty", "thirty-one", "thirty-two", "thirty-three", 157 "thirty-four", "thirty-five", "thirty-six", "thirty-seven", 158 "thirty-eight", "thirty-nine", "fourty", "fourty-one", "fourty-two", 159 "fourty-three", "fourty-four", "fourty-five", "fourty-six", 160 "fourty-seven", "fourty-eight", "fourty-nine", "fifty", "fifty-one", 161 "fifty-two", "fifty-three", "fifty-four", "fifty-five", "fifty-six", 162 "fifty-seven", "fifty-eight", "fifty-nine", "sixty", "sixty-one", 163 "sixty-two", "sixty-three", 164 NULL 165 }; 166 167 /*************************************************************************** 168 * Lines without words 169 */ 170 171 T_FUNC(empty_input, "empty input") 172 { 173 struct t_file *tf; 174 int ret; 175 176 tf = t_fopen(NULL); 177 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 178 t_fclose(tf); 179 return (ret); 180 } 181 182 T_FUNC(empty_line, "empty line") 183 { 184 struct t_file *tf; 185 int ret; 186 187 tf = t_fopen(NULL); 188 t_fprintf(tf, "\n"); 189 t_frewind(tf); 190 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 191 t_fclose(tf); 192 return (ret); 193 } 194 195 T_FUNC(unterminated_empty_line, "unterminated empty line") 196 { 197 struct t_file *tf; 198 int ret; 199 200 tf = t_fopen(NULL); 201 t_fprintf(tf, " "); 202 t_frewind(tf); 203 ret = orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 204 t_fclose(tf); 205 return (ret); 206 } 207 208 T_FUNC(whitespace, "whitespace") 209 { 210 struct t_file *tf; 211 int ret; 212 213 tf = t_fopen(NULL); 214 t_fprintf(tf, " \n"); 215 t_frewind(tf); 216 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 217 t_fclose(tf); 218 return (ret); 219 } 220 221 T_FUNC(comment, "comment") 222 { 223 struct t_file *tf; 224 int ret; 225 226 tf = t_fopen(NULL); 227 t_fprintf(tf, "# comment\n"); 228 t_frewind(tf); 229 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 230 t_fclose(tf); 231 return (ret); 232 } 233 234 T_FUNC(whitespace_before_comment, "whitespace before comment") 235 { 236 struct t_file *tf; 237 int ret; 238 239 tf = t_fopen(NULL); 240 t_fprintf(tf, " # comment\n"); 241 t_frewind(tf); 242 ret = orlv_expect(tf, empty, 1 /*lines*/, 0 /*eof*/); 243 t_fclose(tf); 244 return (ret); 245 } 246 247 T_FUNC(line_continuation_within_whitespace, "line continuation within whitespace") 248 { 249 struct t_file *tf; 250 int ret; 251 252 tf = t_fopen(NULL); 253 t_fprintf(tf, "%s \\\n %s\n", hello_world[0], hello_world[1]); 254 t_frewind(tf); 255 ret = orlv_expect(tf, hello_world, 2 /*lines*/, 0 /*eof*/) && 256 orlv_expect(tf, NULL, 0 /*lines*/, 1 /*eof*/); 257 t_fclose(tf); 258 return (ret); 259 } 260 261 262 /*************************************************************************** 263 * Simple words 264 */ 265 266 T_FUNC(one_word, "one word") 267 { 268 struct t_file *tf; 269 int ret; 270 271 tf = t_fopen(NULL); 272 t_fprintf(tf, "hello\n"); 273 t_frewind(tf); 274 ret = orlv_expect(tf, hello, 1 /*lines*/, 0 /*eof*/); 275 t_fclose(tf); 276 return (ret); 277 } 278 279 T_FUNC(two_words, "two words") 280 { 281 struct t_file *tf; 282 int ret; 283 284 tf = t_fopen(NULL); 285 t_fprintf(tf, "hello world\n"); 286 t_frewind(tf); 287 ret = orlv_expect(tf, hello_world, 1 /*lines*/, 0 /*eof*/); 288 t_fclose(tf); 289 return (ret); 290 } 291 292 T_FUNC(many_words, "many words") 293 { 294 struct t_file *tf; 295 const char **word; 296 int ret; 297 298 tf = t_fopen(NULL); 299 for (word = numbers; *word; ++word) 300 t_fprintf(tf, " %s", *word); 301 t_fprintf(tf, "\n"); 302 t_frewind(tf); 303 ret = orlv_expect(tf, numbers, 1 /*lines*/, 0 /*eof*/); 304 t_fclose(tf); 305 return (ret); 306 } 307 308 T_FUNC(unterminated_line, "unterminated line") 309 { 310 struct t_file *tf; 311 int ret; 312 313 tf = t_fopen(NULL); 314 t_fprintf(tf, "hello world"); 315 t_frewind(tf); 316 ret = orlv_expect(tf, hello_world, 0 /*lines*/, 1 /*eof*/); 317 t_fclose(tf); 318 return (ret); 319 } 320 321 322 /*************************************************************************** 323 * Boilerplate 324 */ 325 326 static int 327 t_prepare(int argc, char *argv[]) 328 { 329 330 (void)argc; 331 (void)argv; 332 333 T(empty_input); 334 T(empty_line); 335 T(unterminated_empty_line); 336 T(whitespace); 337 T(comment); 338 T(whitespace_before_comment); 339 T(line_continuation_within_whitespace); 340 341 T(one_word); 342 T(two_words); 343 T(many_words); 344 T(unterminated_line); 345 346 return (0); 347 } 348 349 int 350 main(int argc, char *argv[]) 351 { 352 353 t_main(t_prepare, NULL, argc, argv); 354 } 355