t_stat.c revision 1.3
1 /* $NetBSD: t_stat.c,v 1.3 2012/03/06 10:32:15 jruoho 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 1.3 2012/03/06 10:32:15 jruoho Exp $"); 33 34 #include <sys/stat.h> 35 #include <sys/socket.h> 36 #include <sys/types.h> 37 38 #include <arpa/inet.h> 39 40 #include <atf-c.h> 41 #include <errno.h> 42 #include <fcntl.h> 43 #include <fts.h> 44 #include <limits.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #include <stdio.h> 49 50 static const char *path = "stat"; 51 52 ATF_TC_WITH_CLEANUP(stat_chflags); 53 ATF_TC_HEAD(stat_chflags, tc) 54 { 55 atf_tc_set_md_var(tc, "descr", "Test chflags(2) with stat(2)"); 56 } 57 58 ATF_TC_BODY(stat_chflags, tc) 59 { 60 struct stat sa, sb; 61 int fd; 62 63 (void)memset(&sa, 0, sizeof(struct stat)); 64 (void)memset(&sb, 0, sizeof(struct stat)); 65 66 fd = open(path, O_RDONLY | O_CREAT); 67 68 ATF_REQUIRE(fd != -1); 69 ATF_REQUIRE(stat(path, &sa) == 0); 70 ATF_REQUIRE(chflags(path, UF_NODUMP) == 0); 71 ATF_REQUIRE(stat(path, &sb) == 0); 72 73 if (sa.st_flags == sb.st_flags) 74 atf_tc_fail("stat(2) did not detect chflags(2)"); 75 76 ATF_REQUIRE(close(fd) == 0); 77 ATF_REQUIRE(unlink(path) == 0); 78 } 79 80 ATF_TC_CLEANUP(stat_chflags, tc) 81 { 82 (void)unlink(path); 83 } 84 85 ATF_TC(stat_dir); 86 ATF_TC_HEAD(stat_dir, tc) 87 { 88 atf_tc_set_md_var(tc, "descr", "Test stat(2) with directories"); 89 } 90 91 ATF_TC_BODY(stat_dir, tc) 92 { 93 const short depth = 2; 94 struct stat sa, sb; 95 char *argv[2]; 96 FTSENT *ftse; 97 FTS *fts; 98 int ops; 99 100 argv[1] = NULL; 101 argv[0] = __UNCONST("/"); 102 103 ops = FTS_NOCHDIR; 104 ops |= FTS_PHYSICAL; 105 106 fts = fts_open(argv, ops, NULL); 107 ATF_REQUIRE(fts != NULL); 108 109 while ((ftse = fts_read(fts)) != NULL) { 110 111 if (ftse->fts_level < 1) 112 continue; 113 114 if (ftse->fts_level > depth) { 115 (void)fts_set(fts, ftse, FTS_SKIP); 116 continue; 117 } 118 119 switch(ftse->fts_info) { 120 121 case FTS_DP: 122 123 (void)memset(&sa, 0, sizeof(struct stat)); 124 (void)memset(&sb, 0, sizeof(struct stat)); 125 126 ATF_REQUIRE(stat(ftse->fts_parent->fts_path,&sa) == 0); 127 ATF_REQUIRE(chdir(ftse->fts_path) == 0); 128 ATF_REQUIRE(stat(".", &sb) == 0); 129 130 /* 131 * The previous two stat(2) calls 132 * should be for the same directory. 133 */ 134 if (sa.st_dev != sb.st_dev || sa.st_ino != sb.st_ino) 135 atf_tc_fail("inconsistent stat(2)"); 136 137 /* 138 * Check that fts(3)'s stat(2) 139 * call equals the manual one. 140 */ 141 if (sb.st_ino != ftse->fts_statp->st_ino) 142 atf_tc_fail("stat(2) and fts(3) differ"); 143 144 break; 145 146 default: 147 break; 148 } 149 } 150 151 (void)fts_close(fts); 152 } 153 154 ATF_TC(stat_err); 155 ATF_TC_HEAD(stat_err, tc) 156 { 157 atf_tc_set_md_var(tc, "descr", "Test errors from the stat(2) family"); 158 } 159 160 ATF_TC_BODY(stat_err, tc) 161 { 162 char buf[NAME_MAX + 1]; 163 struct stat st; 164 165 (void)memset(buf, 'x', sizeof(buf)); 166 167 errno = 0; 168 ATF_REQUIRE_ERRNO(EBADF, fstat(-1, &st) == -1); 169 170 errno = 0; 171 ATF_REQUIRE_ERRNO(ENAMETOOLONG, stat(buf, &st) == -1); 172 173 errno = 0; 174 ATF_REQUIRE_ERRNO(ENAMETOOLONG, lstat(buf, &st) == -1); 175 176 errno = 0; 177 ATF_REQUIRE_ERRNO(EFAULT, stat((void *)-1, &st) == -1); 178 179 errno = 0; 180 ATF_REQUIRE_ERRNO(EFAULT, lstat((void *)-1, &st) == -1); 181 182 errno = 0; 183 ATF_REQUIRE_ERRNO(EFAULT, stat("/etc/passwd", (void *)-1) == -1); 184 185 errno = 0; 186 ATF_REQUIRE_ERRNO(EFAULT, lstat("/etc/passwd", (void *)-1) == -1); 187 188 errno = 0; 189 ATF_REQUIRE_ERRNO(ENOENT, stat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1); 190 191 errno = 0; 192 ATF_REQUIRE_ERRNO(ENOENT, lstat("/a/b/c/d/e/f/g/h/i/j/k", &st) == -1); 193 } 194 195 ATF_TC_WITH_CLEANUP(stat_mtime); 196 ATF_TC_HEAD(stat_mtime, tc) 197 { 198 atf_tc_set_md_var(tc, "descr", "Test modification times with stat(2)"); 199 } 200 201 ATF_TC_BODY(stat_mtime, tc) 202 { 203 struct stat sa, sb; 204 int fd[3]; 205 size_t i; 206 207 for (i = 0; i < __arraycount(fd); i++) { 208 209 (void)memset(&sa, 0, sizeof(struct stat)); 210 (void)memset(&sb, 0, sizeof(struct stat)); 211 212 fd[i] = open(path, O_WRONLY | O_CREAT); 213 214 ATF_REQUIRE(fd[i] != -1); 215 ATF_REQUIRE(write(fd[i], "X", 1) == 1); 216 ATF_REQUIRE(stat(path, &sa) == 0); 217 218 (void)sleep(1); 219 220 ATF_REQUIRE(write(fd[i], "X", 1) == 1); 221 ATF_REQUIRE(stat(path, &sb) == 0); 222 223 ATF_REQUIRE(close(fd[i]) == 0); 224 ATF_REQUIRE(unlink(path) == 0); 225 226 if (sa.st_mtime == sb.st_mtime) 227 atf_tc_fail("mtimes did not change"); 228 } 229 } 230 231 ATF_TC_CLEANUP(stat_mtime, tc) 232 { 233 (void)unlink(path); 234 } 235 236 ATF_TC_WITH_CLEANUP(stat_perm); 237 ATF_TC_HEAD(stat_perm, tc) 238 { 239 atf_tc_set_md_var(tc, "descr", "Test permissions with stat(2)"); 240 atf_tc_set_md_var(tc, "require.user", "root"); 241 } 242 243 ATF_TC_BODY(stat_perm, tc) 244 { 245 struct stat sa, sb; 246 gid_t gid; 247 uid_t uid; 248 int fd; 249 250 (void)memset(&sa, 0, sizeof(struct stat)); 251 (void)memset(&sb, 0, sizeof(struct stat)); 252 253 uid = getuid(); 254 gid = getgid(); 255 256 fd = open(path, O_RDONLY | O_CREAT); 257 258 ATF_REQUIRE(fd != -1); 259 ATF_REQUIRE(fstat(fd, &sa) == 0); 260 ATF_REQUIRE(stat(path, &sb) == 0); 261 262 if (gid != sa.st_gid || sa.st_gid != sb.st_gid) 263 atf_tc_fail("invalid GID"); 264 265 if (uid != sa.st_uid || sa.st_uid != sb.st_uid) 266 atf_tc_fail("invalid UID"); 267 268 ATF_REQUIRE(close(fd) == 0); 269 ATF_REQUIRE(unlink(path) == 0); 270 } 271 272 ATF_TC_CLEANUP(stat_perm, tc) 273 { 274 (void)unlink(path); 275 } 276 277 ATF_TC_WITH_CLEANUP(stat_size); 278 ATF_TC_HEAD(stat_size, tc) 279 { 280 atf_tc_set_md_var(tc, "descr", "Test file sizes with stat(2)"); 281 } 282 283 ATF_TC_BODY(stat_size, tc) 284 { 285 struct stat sa, sb, sc; 286 const size_t n = 10; 287 size_t i; 288 int fd; 289 290 fd = open(path, O_WRONLY | O_CREAT); 291 ATF_REQUIRE(fd >= 0); 292 293 for (i = 0; i < n; i++) { 294 295 (void)memset(&sa, 0, sizeof(struct stat)); 296 (void)memset(&sb, 0, sizeof(struct stat)); 297 (void)memset(&sc, 0, sizeof(struct stat)); 298 299 ATF_REQUIRE(fstat(fd, &sa) == 0); 300 ATF_REQUIRE(write(fd, "X", 1) == 1); 301 ATF_REQUIRE(fstat(fd, &sb) == 0); 302 ATF_REQUIRE(stat(path, &sc) == 0); 303 304 if (sa.st_size + 1 != sb.st_size) 305 atf_tc_fail("invalid file size"); 306 307 if (sb.st_size != sc.st_size) 308 atf_tc_fail("stat(2) and fstat(2) mismatch"); 309 } 310 311 ATF_REQUIRE(close(fd) == 0); 312 ATF_REQUIRE(unlink(path) == 0); 313 } 314 315 ATF_TC_CLEANUP(stat_size, tc) 316 { 317 (void)unlink(path); 318 } 319 320 ATF_TC(stat_socket); 321 ATF_TC_HEAD(stat_socket, tc) 322 { 323 atf_tc_set_md_var(tc, "descr", "Test fstat(2) with a socket"); 324 } 325 326 ATF_TC_BODY(stat_socket, tc) 327 { 328 struct sockaddr_in addr; 329 struct stat st; 330 uint32_t iaddr; 331 int fd, flags; 332 333 atf_tc_expect_fail("PR kern/46077"); 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); 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 ATF_REQUIRE(unlink(path) == 0); 397 ATF_REQUIRE(unlink(pathlink) == 0); 398 } 399 400 ATF_TC_CLEANUP(stat_symlink, tc) 401 { 402 (void)unlink(path); 403 } 404 405 ATF_TP_ADD_TCS(tp) 406 { 407 408 ATF_TP_ADD_TC(tp, stat_chflags); 409 ATF_TP_ADD_TC(tp, stat_dir); 410 ATF_TP_ADD_TC(tp, stat_err); 411 ATF_TP_ADD_TC(tp, stat_mtime); 412 ATF_TP_ADD_TC(tp, stat_perm); 413 ATF_TP_ADD_TC(tp, stat_size); 414 ATF_TP_ADD_TC(tp, stat_socket); 415 ATF_TP_ADD_TC(tp, stat_symlink); 416 417 return atf_no_error(); 418 } 419
Indexes created Mon Sep 22 10:09:38 GMT 2025