t_vnops.c revision 1.40
1 /* $NetBSD: t_vnops.c,v 1.40 2014/07/25 12:16:22 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/stat.h> 30 #include <sys/statvfs.h> 31 32 #include <assert.h> 33 #include <atf-c.h> 34 #include <fcntl.h> 35 #include <libgen.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <unistd.h> 39 40 #include <rump/rump_syscalls.h> 41 #include <rump/rump.h> 42 43 #include "../common/h_fsmacros.h" 44 #include "../../h_macros.h" 45 46 #define TESTFILE "afile" 47 48 #define USES_DIRS \ 49 if (FSTYPE_SYSVBFS(tc)) \ 50 atf_tc_skip("directories not supported by file system") 51 52 #define USES_SYMLINKS \ 53 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) \ 54 atf_tc_skip("symlinks not supported by file system") 55 56 static char * 57 md(char *buf, const char *base, const char *tail) 58 { 59 60 sprintf(buf, "%s/%s", base, tail); 61 return buf; 62 } 63 64 static void 65 lookup_simple(const atf_tc_t *tc, const char *mountpath) 66 { 67 char pb[MAXPATHLEN], final[MAXPATHLEN]; 68 struct stat sb1, sb2; 69 70 strcpy(final, mountpath); 71 sprintf(pb, "%s/../%s", mountpath, basename(final)); 72 if (rump_sys_stat(pb, &sb1) == -1) 73 atf_tc_fail_errno("stat 1"); 74 75 sprintf(pb, "%s/./../%s", mountpath, basename(final)); 76 if (rump_sys_stat(pb, &sb2) == -1) 77 atf_tc_fail_errno("stat 2"); 78 79 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 80 } 81 82 static void 83 lookup_complex(const atf_tc_t *tc, const char *mountpath) 84 { 85 char pb[MAXPATHLEN]; 86 struct stat sb1, sb2; 87 88 USES_DIRS; 89 90 sprintf(pb, "%s/dir", mountpath); 91 if (rump_sys_mkdir(pb, 0777) == -1) 92 atf_tc_fail_errno("mkdir"); 93 if (rump_sys_stat(pb, &sb1) == -1) 94 atf_tc_fail_errno("stat 1"); 95 96 sprintf(pb, "%s/./dir/../././dir/.", mountpath); 97 if (rump_sys_stat(pb, &sb2) == -1) 98 atf_tc_fail_errno("stat 2"); 99 100 if (memcmp(&sb1, &sb2, sizeof(sb1)) != 0) { 101 printf("what\tsb1\t\tsb2\n"); 102 103 #define FIELD(FN) \ 104 printf(#FN "\t%lld\t%lld\n", \ 105 (long long)sb1.FN, (long long)sb2.FN) 106 #define TIME(FN) \ 107 printf(#FN "\t%lld.%ld\t%lld.%ld\n", \ 108 (long long)sb1.FN.tv_sec, sb1.FN.tv_nsec, \ 109 (long long)sb2.FN.tv_sec, sb2.FN.tv_nsec) 110 111 FIELD(st_dev); 112 FIELD(st_mode); 113 FIELD(st_ino); 114 FIELD(st_nlink); 115 FIELD(st_uid); 116 FIELD(st_gid); 117 FIELD(st_rdev); 118 TIME(st_atim); 119 TIME(st_mtim); 120 TIME(st_ctim); 121 TIME(st_birthtim); 122 FIELD(st_size); 123 FIELD(st_blocks); 124 FIELD(st_flags); 125 FIELD(st_gen); 126 127 #undef FIELD 128 #undef TIME 129 130 atf_tc_fail("stat results differ, see ouput for more details"); 131 } 132 } 133 134 static void 135 dir_simple(const atf_tc_t *tc, const char *mountpath) 136 { 137 char pb[MAXPATHLEN]; 138 struct stat sb; 139 140 USES_DIRS; 141 142 /* check we can create directories */ 143 sprintf(pb, "%s/dir", mountpath); 144 if (rump_sys_mkdir(pb, 0777) == -1) 145 atf_tc_fail_errno("mkdir"); 146 if (rump_sys_stat(pb, &sb) == -1) 147 atf_tc_fail_errno("stat new directory"); 148 149 /* check we can remove then and that it makes them unreachable */ 150 if (rump_sys_rmdir(pb) == -1) 151 atf_tc_fail_errno("rmdir"); 152 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 153 atf_tc_fail("ENOENT expected from stat"); 154 } 155 156 static void 157 dir_notempty(const atf_tc_t *tc, const char *mountpath) 158 { 159 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 160 int fd, rv; 161 162 USES_DIRS; 163 164 /* check we can create directories */ 165 sprintf(pb, "%s/dir", mountpath); 166 if (rump_sys_mkdir(pb, 0777) == -1) 167 atf_tc_fail_errno("mkdir"); 168 169 sprintf(pb2, "%s/dir/file", mountpath); 170 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 171 if (fd == -1) 172 atf_tc_fail_errno("create file"); 173 rump_sys_close(fd); 174 175 rv = rump_sys_rmdir(pb); 176 if (FSTYPE_ZFS(tc)) 177 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 178 if (rv != -1 || errno != ENOTEMPTY) 179 atf_tc_fail("non-empty directory removed succesfully"); 180 181 if (rump_sys_unlink(pb2) == -1) 182 atf_tc_fail_errno("cannot remove dir/file"); 183 184 if (rump_sys_rmdir(pb) == -1) 185 atf_tc_fail_errno("remove directory"); 186 } 187 188 static void 189 dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) 190 { 191 char pb[MAXPATHLEN]; 192 int xerrno; 193 194 USES_DIRS; 195 196 FSTEST_ENTER(); 197 RL(rump_sys_mkdir("test", 0777)); 198 RL(rump_sys_chdir("test")); 199 200 RL(rump_sys_mkdir("subtest", 0777)); 201 RL(rump_sys_chdir("subtest")); 202 203 md(pb, mp, "test/subtest"); 204 RL(rump_sys_rmdir(pb)); 205 md(pb, mp, "test"); 206 RL(rump_sys_rmdir(pb)); 207 208 if (FSTYPE_NFS(tc)) 209 xerrno = ESTALE; 210 else 211 xerrno = ENOENT; 212 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 213 FSTEST_EXIT(); 214 } 215 216 static void 217 checkfile(const char *path, struct stat *refp) 218 { 219 char buf[MAXPATHLEN]; 220 struct stat sb; 221 static int n = 1; 222 223 md(buf, path, "file"); 224 if (rump_sys_stat(buf, &sb) == -1) 225 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 226 if (memcmp(&sb, refp, sizeof(sb)) != 0) 227 atf_tc_fail("stat mismatch %d", n); 228 n++; 229 } 230 231 static void 232 rename_dir(const atf_tc_t *tc, const char *mp) 233 { 234 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 235 struct stat ref, sb; 236 237 if (FSTYPE_RUMPFS(tc)) 238 atf_tc_skip("rename not supported by file system"); 239 240 USES_DIRS; 241 242 md(pb1, mp, "dir1"); 243 if (rump_sys_mkdir(pb1, 0777) == -1) 244 atf_tc_fail_errno("mkdir 1"); 245 246 md(pb2, mp, "dir2"); 247 if (rump_sys_mkdir(pb2, 0777) == -1) 248 atf_tc_fail_errno("mkdir 2"); 249 md(pb2, mp, "dir2/subdir"); 250 if (rump_sys_mkdir(pb2, 0777) == -1) 251 atf_tc_fail_errno("mkdir 3"); 252 253 md(pb3, mp, "dir1/file"); 254 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 255 atf_tc_fail_errno("create file"); 256 if (rump_sys_stat(pb3, &ref) == -1) 257 atf_tc_fail_errno("stat of file"); 258 259 /* 260 * First try ops which should succeed. 261 */ 262 263 /* rename within directory */ 264 md(pb3, mp, "dir3"); 265 if (rump_sys_rename(pb1, pb3) == -1) 266 atf_tc_fail_errno("rename 1"); 267 checkfile(pb3, &ref); 268 269 /* rename directory onto itself (two ways, should fail) */ 270 md(pb1, mp, "dir3/."); 271 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 272 atf_tc_fail_errno("rename 2"); 273 if (FSTYPE_ZFS(tc)) 274 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 275 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 276 atf_tc_fail_errno("rename 3"); 277 278 checkfile(pb3, &ref); 279 280 /* rename father of directory into directory */ 281 md(pb1, mp, "dir2/dir"); 282 md(pb2, mp, "dir2"); 283 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 284 atf_tc_fail_errno("rename 4"); 285 286 /* same for grandfather */ 287 md(pb1, mp, "dir2/subdir/dir2"); 288 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 289 atf_tc_fail("rename 5"); 290 291 checkfile(pb3, &ref); 292 293 /* rename directory over a non-empty directory */ 294 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 295 atf_tc_fail("rename 6"); 296 297 /* cross-directory rename */ 298 md(pb1, mp, "dir3"); 299 md(pb2, mp, "dir2/somedir"); 300 if (rump_sys_rename(pb1, pb2) == -1) 301 atf_tc_fail_errno("rename 7"); 302 checkfile(pb2, &ref); 303 304 /* move to parent directory */ 305 md(pb1, mp, "dir2/somedir/../../dir3"); 306 if (rump_sys_rename(pb2, pb1) == -1) 307 atf_tc_fail_errno("rename 8"); 308 md(pb1, mp, "dir2/../dir3"); 309 checkfile(pb1, &ref); 310 311 /* atomic cross-directory rename */ 312 md(pb3, mp, "dir2/subdir"); 313 if (rump_sys_rename(pb1, pb3) == -1) 314 atf_tc_fail_errno("rename 9"); 315 checkfile(pb3, &ref); 316 317 /* rename directory over an empty directory */ 318 md(pb1, mp, "parent"); 319 md(pb2, mp, "parent/dir1"); 320 md(pb3, mp, "parent/dir2"); 321 RL(rump_sys_mkdir(pb1, 0777)); 322 RL(rump_sys_mkdir(pb2, 0777)); 323 RL(rump_sys_mkdir(pb3, 0777)); 324 RL(rump_sys_rename(pb2, pb3)); 325 326 RL(rump_sys_stat(pb1, &sb)); 327 if (! FSTYPE_MSDOS(tc)) 328 ATF_CHECK_EQ(sb.st_nlink, 3); 329 RL(rump_sys_rmdir(pb3)); 330 RL(rump_sys_rmdir(pb1)); 331 } 332 333 static void 334 rename_dotdot(const atf_tc_t *tc, const char *mp) 335 { 336 337 if (FSTYPE_RUMPFS(tc)) 338 atf_tc_skip("rename not supported by file system"); 339 340 USES_DIRS; 341 342 if (rump_sys_chdir(mp) == -1) 343 atf_tc_fail_errno("chdir mountpoint"); 344 345 if (rump_sys_mkdir("dir1", 0777) == -1) 346 atf_tc_fail_errno("mkdir 1"); 347 if (rump_sys_mkdir("dir2", 0777) == -1) 348 atf_tc_fail_errno("mkdir 2"); 349 350 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 351 atf_tc_fail_errno("self-dotdot to"); 352 353 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 354 atf_tc_fail_errno("self-dotdot from"); 355 356 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 357 atf_tc_fail("other-dotdot"); 358 359 rump_sys_chdir("/"); 360 } 361 362 static void 363 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 364 { 365 bool haslinks; 366 struct stat sb; 367 ino_t f1ino; 368 369 if (FSTYPE_RUMPFS(tc)) 370 atf_tc_skip("rename not supported by file system"); 371 372 if (rump_sys_chdir(mp) == -1) 373 atf_tc_fail_errno("chdir mountpoint"); 374 375 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 376 haslinks = false; 377 else 378 haslinks = true; 379 380 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 381 atf_tc_fail_errno("create file"); 382 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 383 atf_tc_fail_errno("create file"); 384 385 if (rump_sys_stat("file1", &sb) == -1) 386 atf_tc_fail_errno("stat"); 387 f1ino = sb.st_ino; 388 389 if (haslinks) { 390 if (rump_sys_link("file1", "file_link") == -1) 391 atf_tc_fail_errno("link"); 392 if (rump_sys_stat("file_link", &sb) == -1) 393 atf_tc_fail_errno("stat"); 394 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 395 ATF_REQUIRE_EQ(sb.st_nlink, 2); 396 } 397 398 if (rump_sys_stat("file2", &sb) == -1) 399 atf_tc_fail_errno("stat"); 400 401 if (rump_sys_rename("file1", "file3") == -1) 402 atf_tc_fail_errno("rename 1"); 403 if (rump_sys_stat("file3", &sb) == -1) 404 atf_tc_fail_errno("stat 1"); 405 if (haslinks) { 406 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 407 } 408 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 409 atf_tc_fail_errno("source 1"); 410 411 if (rump_sys_rename("file3", "file2") == -1) 412 atf_tc_fail_errno("rename 2"); 413 if (rump_sys_stat("file2", &sb) == -1) 414 atf_tc_fail_errno("stat 2"); 415 if (haslinks) { 416 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 417 } 418 419 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 420 atf_tc_fail_errno("source 2"); 421 422 if (haslinks) { 423 if (rump_sys_rename("file2", "file_link") == -1) 424 atf_tc_fail_errno("rename hardlink"); 425 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 426 atf_tc_fail_errno("source 3"); 427 if (rump_sys_stat("file_link", &sb) == -1) 428 atf_tc_fail_errno("stat 2"); 429 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 430 ATF_REQUIRE_EQ(sb.st_nlink, 1); 431 } 432 433 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename("file2", NULL) == -1); 434 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename(NULL, "file2") == -1); 435 436 rump_sys_chdir("/"); 437 } 438 439 static void 440 create_nametoolong(const atf_tc_t *tc, const char *mp) 441 { 442 char *name; 443 int fd; 444 long val; 445 size_t len; 446 447 if (rump_sys_chdir(mp) == -1) 448 atf_tc_fail_errno("chdir mountpoint"); 449 450 val = rump_sys_pathconf(".", _PC_NAME_MAX); 451 if (val == -1) 452 atf_tc_fail_errno("pathconf"); 453 454 len = val + 1; 455 name = malloc(len+1); 456 if (name == NULL) 457 atf_tc_fail_errno("malloc"); 458 459 memset(name, 'a', len); 460 *(name+len) = '\0'; 461 462 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 463 if (val == -1) 464 atf_tc_fail_errno("pathconf"); 465 466 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 467 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 468 atf_tc_fail_errno("open"); 469 470 if (val == 0 && rump_sys_close(fd) == -1) 471 atf_tc_fail_errno("close"); 472 if (val == 0 && rump_sys_unlink(name) == -1) 473 atf_tc_fail_errno("unlink"); 474 475 free(name); 476 477 rump_sys_chdir("/"); 478 } 479 480 static void 481 create_exist(const atf_tc_t *tc, const char *mp) 482 { 483 const char *name = "hoge"; 484 int fd; 485 486 RL(rump_sys_chdir(mp)); 487 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 488 RL(rump_sys_close(fd)); 489 RL(rump_sys_unlink(name)); 490 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 491 RL(rump_sys_close(fd)); 492 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 493 RL(rump_sys_close(fd)); 494 ATF_REQUIRE_ERRNO(EEXIST, 495 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 496 RL(rump_sys_unlink(name)); 497 RL(rump_sys_chdir("/")); 498 } 499 500 static void 501 rename_nametoolong(const atf_tc_t *tc, const char *mp) 502 { 503 char *name; 504 int res, fd; 505 long val; 506 size_t len; 507 508 if (FSTYPE_RUMPFS(tc)) 509 atf_tc_skip("rename not supported by file system"); 510 511 if (rump_sys_chdir(mp) == -1) 512 atf_tc_fail_errno("chdir mountpoint"); 513 514 val = rump_sys_pathconf(".", _PC_NAME_MAX); 515 if (val == -1) 516 atf_tc_fail_errno("pathconf"); 517 518 len = val + 1; 519 name = malloc(len+1); 520 if (name == NULL) 521 atf_tc_fail_errno("malloc"); 522 523 memset(name, 'a', len); 524 *(name+len) = '\0'; 525 526 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 527 if (fd == -1) 528 atf_tc_fail_errno("open"); 529 if (rump_sys_close(fd) == -1) 530 atf_tc_fail_errno("close"); 531 532 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 533 if (val == -1) 534 atf_tc_fail_errno("pathconf"); 535 536 res = rump_sys_rename("dummy", name); 537 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 538 atf_tc_fail_errno("rename"); 539 540 if (val == 0 && rump_sys_unlink(name) == -1) 541 atf_tc_fail_errno("unlink"); 542 543 free(name); 544 545 rump_sys_chdir("/"); 546 } 547 548 static void 549 symlink_zerolen(const atf_tc_t *tc, const char *mp) 550 { 551 552 USES_SYMLINKS; 553 554 RL(rump_sys_chdir(mp)); 555 556 RL(rump_sys_symlink("", "afile")); 557 RL(rump_sys_chdir("/")); 558 } 559 560 static void 561 symlink_root(const atf_tc_t *tc, const char *mp) 562 { 563 564 USES_SYMLINKS; 565 566 RL(rump_sys_chdir(mp)); 567 RL(rump_sys_symlink("/", "foo")); 568 RL(rump_sys_chdir("foo")); 569 } 570 571 static void 572 attrs(const atf_tc_t *tc, const char *mp) 573 { 574 struct stat sb, sb2; 575 struct timeval tv[2]; 576 int fd; 577 578 FSTEST_ENTER(); 579 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 580 RL(rump_sys_close(fd)); 581 RL(rump_sys_stat(TESTFILE, &sb)); 582 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 583 RL(rump_sys_chown(TESTFILE, 1, 2)); 584 sb.st_uid = 1; 585 sb.st_gid = 2; 586 RL(rump_sys_chmod(TESTFILE, 0123)); 587 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 588 } 589 590 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 591 tv[0].tv_usec = 1; 592 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 593 tv[1].tv_usec = 3; 594 RL(rump_sys_utimes(TESTFILE, tv)); 595 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 596 sb.st_atimespec.tv_sec = 1000000000; 597 sb.st_atimespec.tv_nsec = 1000; 598 sb.st_mtimespec.tv_sec = 1000000002; 599 sb.st_mtimespec.tv_nsec = 3000; 600 601 RL(rump_sys_stat(TESTFILE, &sb2)); 602 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 603 if (FSTYPE_ZFS(tc)) 604 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 605 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 606 CHECK(st_uid); 607 CHECK(st_gid); 608 CHECK(st_mode); 609 } 610 if (!FSTYPE_MSDOS(tc)) { 611 /* msdosfs has only access date, not time */ 612 CHECK(st_atimespec.tv_sec); 613 } 614 CHECK(st_mtimespec.tv_sec); 615 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || 616 FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(tc))) { 617 CHECK(st_atimespec.tv_nsec); 618 CHECK(st_mtimespec.tv_nsec); 619 } 620 #undef CHECK 621 622 FSTEST_EXIT(); 623 } 624 625 static void 626 fcntl_lock(const atf_tc_t *tc, const char *mp) 627 { 628 int fd, fd2; 629 struct flock l; 630 struct lwp *lwp1, *lwp2; 631 632 FSTEST_ENTER(); 633 l.l_pid = 0; 634 l.l_start = l.l_len = 1024; 635 l.l_type = F_RDLCK | F_WRLCK; 636 l.l_whence = SEEK_END; 637 638 lwp1 = rump_pub_lwproc_curlwp(); 639 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 640 RL(rump_sys_ftruncate(fd, 8192)); 641 642 /* PR kern/43321 */ 643 if (FSTYPE_ZFS(tc)) 644 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 645 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 646 647 /* Next, we fork and try to lock the same area */ 648 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 649 lwp2 = rump_pub_lwproc_curlwp(); 650 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 651 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 652 653 /* Switch back and unlock... */ 654 rump_pub_lwproc_switch(lwp1); 655 l.l_type = F_UNLCK; 656 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 657 658 /* ... and try to lock again */ 659 rump_pub_lwproc_switch(lwp2); 660 l.l_type = F_RDLCK | F_WRLCK; 661 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 662 663 RL(rump_sys_close(fd2)); 664 rump_pub_lwproc_releaselwp(); 665 666 RL(rump_sys_close(fd)); 667 668 FSTEST_EXIT(); 669 } 670 671 static int 672 flock_compare(const void *p, const void *q) 673 { 674 int a = ((const struct flock *)p)->l_start; 675 int b = ((const struct flock *)q)->l_start; 676 return a < b ? -1 : (a > b ? 1 : 0); 677 } 678 679 /* 680 * Find all locks set by fcntl_getlock_pids test 681 * using GETLK for a range [start, start+end], and, 682 * if there is a blocking lock, recursively find 683 * all locks to the left (toward the beginning of 684 * a file) and to the right of the lock. 685 * The function also understands "until end of file" 686 * convention when len==0. 687 */ 688 static unsigned int 689 fcntl_getlocks(int fildes, off_t start, off_t len, 690 struct flock *lock, struct flock *end) 691 { 692 unsigned int rv = 0; 693 const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; 694 695 if (lock == end) 696 return rv; 697 698 RL(rump_sys_fcntl(fildes, F_GETLK, &l)); 699 700 if (l.l_type == F_UNLCK) 701 return rv; 702 703 *lock++ = l; 704 rv += 1; 705 706 ATF_REQUIRE(l.l_whence == SEEK_SET); 707 708 if (l.l_start > start) { 709 unsigned int n = 710 fcntl_getlocks(fildes, start, l.l_start - start, lock, end); 711 rv += n; 712 lock += n; 713 if (lock == end) 714 return rv; 715 } 716 717 if (l.l_len == 0) /* does l spans until the end? */ 718 return rv; 719 720 if (len == 0) /* are we looking for locks until the end? */ { 721 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 722 } else if (l.l_start + l.l_len < start + len) { 723 len -= l.l_start + l.l_len - start; 724 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 725 } 726 727 return rv; 728 } 729 730 static void 731 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 732 { 733 /* test non-overlaping ranges */ 734 struct flock expect[4]; 735 const struct flock lock[4] = { 736 { 0, 2, 0, F_WRLCK, SEEK_SET }, 737 { 2, 1, 0, F_WRLCK, SEEK_SET }, 738 { 7, 5, 0, F_WRLCK, SEEK_SET }, 739 { 4, 3, 0, F_WRLCK, SEEK_SET }, 740 }; 741 742 /* Add extra element to make sure recursion does't stop at array end */ 743 struct flock result[5]; 744 745 /* Add 5th process */ 746 int fd[5]; 747 pid_t pid[5]; 748 struct lwp *lwp[5]; 749 750 unsigned int i, j; 751 const off_t sz = 8192; 752 int omode = 0755; 753 int oflags = O_RDWR | O_CREAT; 754 755 memcpy(expect, lock, sizeof(lock)); 756 757 FSTEST_ENTER(); 758 759 /* 760 * First, we create 4 processes and let each lock a range of the 761 * file. Note that the third and fourth processes lock in 762 * "reverse" order, i.e. the greater pid locks a range before 763 * the lesser pid. 764 * Then, we create 5th process which doesn't lock anything. 765 */ 766 for (i = 0; i < __arraycount(lwp); i++) { 767 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 768 769 lwp[i] = rump_pub_lwproc_curlwp(); 770 pid[i] = rump_sys_getpid(); 771 772 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 773 oflags = O_RDWR; 774 omode = 0; 775 776 RL(rump_sys_ftruncate(fd[i], sz)); 777 778 if (FSTYPE_ZFS(tc)) 779 atf_tc_expect_fail("PR kern/47656: Test known to be " 780 "broken"); 781 if (i < __arraycount(lock)) { 782 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 783 expect[i].l_pid = pid[i]; 784 } 785 } 786 787 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 788 789 /* 790 * In the context of each process, recursively find all locks 791 * that would block the current process. Processes 1-4 don't 792 * see their own lock, we insert it to simplify checks. 793 * Process 5 sees all 4 locks. 794 */ 795 for (i = 0; i < __arraycount(lwp); i++) { 796 unsigned int nlocks; 797 798 rump_pub_lwproc_switch(lwp[i]); 799 800 memset(result, 0, sizeof(result)); 801 nlocks = fcntl_getlocks(fd[i], 0, sz, 802 result, result + __arraycount(result)); 803 804 if (i < __arraycount(lock)) { 805 ATF_REQUIRE(nlocks < __arraycount(result)); 806 result[nlocks] = lock[i]; 807 result[nlocks].l_pid = pid[i]; 808 nlocks++; 809 } 810 811 ATF_CHECK_EQ(nlocks, __arraycount(expect)); 812 813 qsort(result, nlocks, sizeof(result[0]), &flock_compare); 814 815 for (j = 0; j < nlocks; j++) { 816 ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); 817 ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); 818 ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); 819 ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); 820 ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); 821 } 822 } 823 824 /* 825 * Release processes. This also releases the fds and locks 826 * making fs unmount possible 827 */ 828 for (i = 0; i < __arraycount(lwp); i++) { 829 rump_pub_lwproc_switch(lwp[i]); 830 rump_pub_lwproc_releaselwp(); 831 } 832 833 FSTEST_EXIT(); 834 } 835 836 static void 837 access_simple(const atf_tc_t *tc, const char *mp) 838 { 839 int fd; 840 int tmode; 841 842 FSTEST_ENTER(); 843 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 844 RL(rump_sys_close(fd)); 845 846 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 847 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 848 tmode = F_OK; 849 else 850 tmode = ALLACC; 851 852 RL(rump_sys_access("tfile", tmode)); 853 854 /* PR kern/44648 */ 855 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 856 #undef ALLACC 857 FSTEST_EXIT(); 858 } 859 860 static void 861 read_directory(const atf_tc_t *tc, const char *mp) 862 { 863 char buf[1024]; 864 int fd, res; 865 ssize_t size; 866 867 FSTEST_ENTER(); 868 fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); 869 ATF_REQUIRE(fd != -1); 870 871 size = rump_sys_pread(fd, buf, sizeof(buf), 0); 872 ATF_CHECK(size != -1 || errno == EISDIR); 873 size = rump_sys_read(fd, buf, sizeof(buf)); 874 ATF_CHECK(size != -1 || errno == EISDIR); 875 876 res = rump_sys_close(fd); 877 ATF_REQUIRE(res != -1); 878 FSTEST_EXIT(); 879 } 880 881 static void 882 lstat_symlink(const atf_tc_t *tc, const char *mp) 883 { 884 const char *src, *dst; 885 int res; 886 struct stat st; 887 888 USES_SYMLINKS; 889 FSTEST_ENTER(); 890 891 src = "source"; 892 dst = "destination"; 893 894 res = rump_sys_symlink(src, dst); 895 ATF_REQUIRE(res != -1); 896 res = rump_sys_lstat(dst, &st); 897 ATF_REQUIRE(res != -1); 898 899 ATF_CHECK(S_ISLNK(st.st_mode) != 0); 900 ATF_CHECK(st.st_size == (off_t)strlen(src)); 901 902 FSTEST_EXIT(); 903 } 904 905 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 906 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 907 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 908 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 909 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); 910 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " 911 "(PR kern/44288)"); 912 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); 913 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 914 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 915 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 916 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 917 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 918 ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); 919 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 920 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 921 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 922 ATF_TC_FSAPPLY(access_simple, "access(2)"); 923 ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); 924 ATF_TC_FSAPPLY(lstat_symlink, "lstat(2) values for symbolic links"); 925 926 ATF_TP_ADD_TCS(tp) 927 { 928 929 ATF_TP_FSAPPLY(lookup_simple); 930 ATF_TP_FSAPPLY(lookup_complex); 931 ATF_TP_FSAPPLY(dir_simple); 932 ATF_TP_FSAPPLY(dir_notempty); 933 ATF_TP_FSAPPLY(dir_rmdirdotdot); 934 ATF_TP_FSAPPLY(rename_dir); 935 ATF_TP_FSAPPLY(rename_dotdot); 936 ATF_TP_FSAPPLY(rename_reg_nodir); 937 ATF_TP_FSAPPLY(create_nametoolong); 938 ATF_TP_FSAPPLY(create_exist); 939 ATF_TP_FSAPPLY(rename_nametoolong); 940 ATF_TP_FSAPPLY(symlink_zerolen); 941 ATF_TP_FSAPPLY(symlink_root); 942 ATF_TP_FSAPPLY(attrs); 943 ATF_TP_FSAPPLY(fcntl_lock); 944 ATF_TP_FSAPPLY(fcntl_getlock_pids); 945 ATF_TP_FSAPPLY(access_simple); 946 ATF_TP_FSAPPLY(read_directory); 947 ATF_TP_FSAPPLY(lstat_symlink); 948 949 return atf_no_error(); 950 } 951
Indexes created Mon Sep 29 21:09:56 GMT 2025