1 /* $NetBSD: t_stat.c,v 1.6 2019/07/16 17:29:18 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_stat.c,v 1.6 2019/07/16 17:29:18 martin Exp $"); 33 34 #include <sys/stat.h> 35 #include <sys/socket.h> 36 #include <sys/types.h> 37 38 #include <arpa/inet.h> 39 #include <netinet/in.h> 40 41 #include <atf-c.h> 42 #include <errno.h> 43 #include <fcntl.h> 44 #include <fts.h> 45 #include <limits.h> 46 #include <string.h> 47 #include <unistd.h> 48 49 #include <stdio.h> 50 51 static const char *path = "stat"; 52 53 ATF_TC_WITH_CLEANUP(stat_chflags); 54 ATF_TC_HEAD(stat_chflags, tc) 55 { 56 atf_tc_set_md_var(tc, "descr", "Test chflags(2) with stat(2)"); 57 } 58 59 ATF_TC_BODY(stat_chflags, tc) 60 { 61 struct stat sa, sb; 62 int fd; 63 64 (void)memset(&sa, 0, sizeof(struct stat)); 65 (void)memset(&sb, 0, sizeof(struct stat)); 66 67 fd = open(path, O_RDONLY | O_CREAT, 0600); 68 69 ATF_REQUIRE(fd != -1); 70 ATF_REQUIRE(stat(path, &sa) == 0); 71 ATF_REQUIRE(chflags(path, UF_NODUMP) == 0); 72 ATF_REQUIRE(stat(path, &sb) == 0); 73 74 if (sa.st_flags == sb.st_flags) 75 atf_tc_fail("stat(2) did not detect chflags(2)"); 76 77 ATF_REQUIRE(close(fd) == 0); 78 ATF_REQUIRE(unlink(path) == 0); 79 } 80 81 ATF_TC_CLEANUP(stat_chflags, tc) 82 { 83 (void)unlink(path); 84 } 85 86 ATF_TC(stat_dir); 87 ATF_TC_HEAD(stat_dir, tc) 88 { 89 atf_tc_set_md_var(tc, "descr", "Test stat(2) with directories"); 90 } 91 92 ATF_TC_BODY(stat_dir, tc) 93 { 94 const short depth = 2; 95 struct stat sa, sb; 96 char *argv[2]; 97 FTSENT *ftse; 98 FTS *fts; 99 int ops; 100 101 argv[1] = NULL; 102 argv[0] = __UNCONST("/"); 103 104 ops = FTS_NOCHDIR; 105 ops |= FTS_PHYSICAL; 106 107 fts = fts_open(argv, ops, NULL); 108 ATF_REQUIRE(fts != NULL); 109 110 while ((ftse = fts_read(fts)) != NULL) { 111 112 if (ftse->fts_level < 1) 113 continue; 114 115 if (ftse->fts_level > depth) { 116 (void)fts_set(fts, ftse, FTS_SKIP); 117 continue; 118 } 119 120 switch(ftse->fts_info) { 121 122 case FTS_DP: 123 124 (void)memset(&sa, 0, sizeof(struct stat)); 125 (void)memset(&sb, 0, sizeof(struct stat)); 126 127 ATF_REQUIRE(stat(ftse->fts_parent->fts_path,&sa) == 0); 128 ATF_REQUIRE(chdir(ftse->fts_path) == 0); 129 ATF_REQUIRE(stat(".", &sb) == 0); 130 131 /* 132 * The previous two stat(2) calls 133 * should be for the same directory. 134 */ 135 if (sa.st_dev != sb.st_dev || sa.st_ino != sb.st_ino) 136 atf_tc_fail("inconsistent stat(2)"); 137 138 /* 139 * Check that fts(3)'s stat(2) 140 * call equals the manual one. 141 */ 142 if (sb.st_ino != ftse->fts_statp->st_ino) 143 atf_tc_fail("stat(2) and fts(3) differ"); 144 145 break; 146 147 default: 148 break; 149 } 150 } 151 152 (void)fts_close(fts); 153 } 154 155 ATF_TC(stat_err); 156 ATF_TC_HEAD(stat_err, tc) 157 { 158 atf_tc_set_md_var(tc, "descr", "Test errors from the stat(2) family"); 159 } 160 161 ATF_TC_BODY(stat_err, tc) 162 { 163 char buf[NAME_MAX + 1]; 164 struct stat st; 165 166 (void)memset(buf, 'x', sizeof(buf)); 167 168 errno = 0; 169 ATF_REQUIRE_ERRNO(EBADF, fstat(-1, &st) == -1); 170 171 errno = 0; 172 ATF_REQUIRE_ERRNO(ENAMETOOLONG, stat(buf, &st) == -1); 173 174 errno = 0; 175 ATF_REQUIRE_ERRNO(ENAMETOOLONG, lstat(buf, &st) == -1); 176 177 errno = 0; 178 ATF_REQUIRE_ERRNO(EFAULT, stat((void *)-1, &st) == -1); 179 180 errno = 0; 181 ATF_REQUIRE_ERRNO(EFAULT, lstat((void *)-1, &st) == -1); 182 183 errno = 0; 184 ATF_REQUIRE_ERRNO(EFAULT, stat("/etc/passwd", (void *)-1) == -1); 185 186 errno = 0; 187 ATF_REQUIRE_ERRNO(EFAULT, lstat("/etc/passwd", (void *)-1) == -1); 188 189 errno = 0; 190 ATF_REQUIRE_ERRNO(ENOENT, stat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1); 191 192 errno = 0; 193 ATF_REQUIRE_ERRNO(ENOENT, lstat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1); 194 } 195 196 ATF_TC_WITH_CLEANUP(stat_mtime); 197 ATF_TC_HEAD(stat_mtime, tc) 198 { 199 atf_tc_set_md_var(tc, "descr", "Test modification times with stat(2)"); 200 } 201 202 ATF_TC_BODY(stat_mtime, tc) 203 { 204 struct stat sa, sb; 205 int fd[3]; 206 size_t i; 207 208 for (i = 0; i < __arraycount(fd); i++) { 209 210 (void)memset(&sa, 0, sizeof(struct stat)); 211 (void)memset(&sb, 0, sizeof(struct stat)); 212 213 fd[i] = open(path, O_WRONLY | O_CREAT, 0600); 214 215 ATF_REQUIRE(fd[i] != -1); 216 ATF_REQUIRE(write(fd[i], "X", 1) == 1); 217 ATF_REQUIRE(stat(path, &sa) == 0); 218 219 (void)sleep(1); 220 221 ATF_REQUIRE(write(fd[i], "X", 1) == 1); 222 ATF_REQUIRE(stat(path, &sb) == 0); 223 224 ATF_REQUIRE(close(fd[i]) == 0); 225 ATF_REQUIRE(unlink(path) == 0); 226 227 if (sa.st_mtime == sb.st_mtime) 228 atf_tc_fail("mtimes did not change"); 229 } 230 } 231 232 ATF_TC_CLEANUP(stat_mtime, tc) 233 { 234 (void)unlink(path); 235 } 236 237 ATF_TC_WITH_CLEANUP(stat_perm); 238 ATF_TC_HEAD(stat_perm, tc) 239 { 240 atf_tc_set_md_var(tc, "descr", "Test permissions with stat(2)"); 241 atf_tc_set_md_var(tc, "require.user", "root"); 242 } 243 244 ATF_TC_BODY(stat_perm, tc) 245 { 246 struct stat sa, sb; 247 gid_t gid; 248 uid_t uid; 249 int fd; 250 251 (void)memset(&sa, 0, sizeof(struct stat)); 252 (void)memset(&sb, 0, sizeof(struct stat)); 253 254 uid = getuid(); 255 gid = getgid(); 256 257 fd = open(path, O_RDONLY | O_CREAT, 0600); 258 259 ATF_REQUIRE(fd != -1); 260 ATF_REQUIRE(fstat(fd, &sa) == 0); 261 ATF_REQUIRE(stat(path, &sb) == 0); 262 263 if (gid != sa.st_gid || sa.st_gid != sb.st_gid) 264 atf_tc_fail("invalid GID"); 265 266 if (uid != sa.st_uid || sa.st_uid != sb.st_uid) 267 atf_tc_fail("invalid UID"); 268 269 ATF_REQUIRE(close(fd) == 0); 270 ATF_REQUIRE(unlink(path) == 0); 271 } 272 273 ATF_TC_CLEANUP(stat_perm, tc) 274 { 275 (void)unlink(path); 276 } 277 278 ATF_TC_WITH_CLEANUP(stat_size); 279 ATF_TC_HEAD(stat_size, tc) 280 { 281 atf_tc_set_md_var(tc, "descr", "Test file sizes with stat(2)"); 282 } 283 284 ATF_TC_BODY(stat_size, tc) 285 { 286 struct stat sa, sb, sc; 287 const size_t n = 10; 288 size_t i; 289 int fd; 290 291 fd = open(path, O_WRONLY | O_CREAT, 0600); 292 ATF_REQUIRE(fd >= 0); 293 294 for (i = 0; i < n; i++) { 295 296 (void)memset(&sa, 0, sizeof(struct stat)); 297 (void)memset(&sb, 0, sizeof(struct stat)); 298 (void)memset(&sc, 0, sizeof(struct stat)); 299 300 ATF_REQUIRE(fstat(fd, &sa) == 0); 301 ATF_REQUIRE(write(fd, "X", 1) == 1); 302 ATF_REQUIRE(fstat(fd, &sb) == 0); 303 ATF_REQUIRE(stat(path, &sc) == 0); 304 305 if (sa.st_size + 1 != sb.st_size) 306 atf_tc_fail("invalid file size"); 307 308 if (sb.st_size != sc.st_size) 309 atf_tc_fail("stat(2) and fstat(2) mismatch"); 310 } 311 312 ATF_REQUIRE(close(fd) == 0); 313 ATF_REQUIRE(unlink(path) == 0); 314 } 315 316 ATF_TC_CLEANUP(stat_size, tc) 317 { 318 (void)unlink(path); 319 } 320 321 ATF_TC(stat_socket); 322 ATF_TC_HEAD(stat_socket, tc) 323 { 324 atf_tc_set_md_var(tc, "descr", "Test fstat(2) with " 325 "a socket (PR kern/46077)"); 326 } 327 328 ATF_TC_BODY(stat_socket, tc) 329 { 330 struct sockaddr_in addr; 331 struct stat st; 332 uint32_t iaddr; 333 int fd, flags; 334 335 (void)memset(&st, 0, sizeof(struct stat)); 336 (void)memset(&addr, 0, sizeof(struct sockaddr_in)); 337 338 fd = socket(AF_INET, SOCK_STREAM, 0); 339 ATF_REQUIRE(fd >= 0); 340 341 flags = fcntl(fd, F_GETFL); 342 343 ATF_REQUIRE(flags != -1); 344 ATF_REQUIRE(fcntl(fd, F_SETFL, flags | O_NONBLOCK) != -1); 345 ATF_REQUIRE(inet_pton(AF_INET, "127.0.0.1", &iaddr) == 1); 346 347 addr.sin_port = htons(42); 348 addr.sin_family = AF_INET; 349 addr.sin_addr.s_addr = iaddr; 350 351 errno = 0; 352 353 ATF_REQUIRE_ERRNO(EINPROGRESS, 354 connect(fd, (struct sockaddr *)&addr, 355 sizeof(struct sockaddr_in)) == -1); 356 357 errno = 0; 358 359 if (fstat(fd, &st) != 0 || errno != 0) 360 atf_tc_fail("fstat(2) failed for a EINPROGRESS socket"); 361 362 (void)close(fd); 363 } 364 365 ATF_TC_WITH_CLEANUP(stat_symlink); 366 ATF_TC_HEAD(stat_symlink, tc) 367 { 368 atf_tc_set_md_var(tc, "descr", "Test symbolic links with stat(2)"); 369 } 370 371 ATF_TC_BODY(stat_symlink, tc) 372 { 373 const char *pathlink = "pathlink"; 374 struct stat sa, sb; 375 int fd; 376 377 (void)memset(&sa, 0, sizeof(struct stat)); 378 (void)memset(&sb, 0, sizeof(struct stat)); 379 380 fd = open(path, O_WRONLY | O_CREAT, 0600); 381 382 ATF_REQUIRE(fd >= 0); 383 ATF_REQUIRE(symlink(path, pathlink) == 0); 384 ATF_REQUIRE(stat(pathlink, &sa) == 0); 385 ATF_REQUIRE(lstat(pathlink, &sb) == 0); 386 387 if (S_ISLNK(sa.st_mode) != 0) 388 atf_tc_fail("stat(2) detected symbolic link"); 389 390 if (S_ISLNK(sb.st_mode) == 0) 391 atf_tc_fail("lstat(2) did not detect symbolic link"); 392 393 if (sa.st_mode == sb.st_mode) 394 atf_tc_fail("inconsistencies between stat(2) and lstat(2)"); 395 396 (void)close(fd); 397 ATF_REQUIRE(unlink(path) == 0); 398 ATF_REQUIRE(unlink(pathlink) == 0); 399 } 400 401 ATF_TC_CLEANUP(stat_symlink, tc) 402 { 403 (void)unlink(path); 404 } 405 406 ATF_TP_ADD_TCS(tp) 407 { 408 409 ATF_TP_ADD_TC(tp, stat_chflags); 410 ATF_TP_ADD_TC(tp, stat_dir); 411 ATF_TP_ADD_TC(tp, stat_err); 412 ATF_TP_ADD_TC(tp, stat_mtime); 413 ATF_TP_ADD_TC(tp, stat_perm); 414 ATF_TP_ADD_TC(tp, stat_size); 415 ATF_TP_ADD_TC(tp, stat_socket); 416 ATF_TP_ADD_TC(tp, stat_symlink); 417 418 return atf_no_error(); 419 } 420
Indexes created Sat Sep 20 22:09:52 GMT 2025