t_vnops.c revision 1.40.2.1
1 /* $NetBSD: t_vnops.c,v 1.40.2.1 2015/01/17 11:51:33 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 if (FSTYPE_UDF(tc)) 91 atf_tc_expect_fail("PR kern/49033"); 92 93 sprintf(pb, "%s/dir", mountpath); 94 if (rump_sys_mkdir(pb, 0777) == -1) 95 atf_tc_fail_errno("mkdir"); 96 if (rump_sys_stat(pb, &sb1) == -1) 97 atf_tc_fail_errno("stat 1"); 98 99 sprintf(pb, "%s/./dir/../././dir/.", mountpath); 100 if (rump_sys_stat(pb, &sb2) == -1) 101 atf_tc_fail_errno("stat 2"); 102 103 if (memcmp(&sb1, &sb2, sizeof(sb1)) != 0) { 104 printf("what\tsb1\t\tsb2\n"); 105 106 #define FIELD(FN) \ 107 printf(#FN "\t%lld\t%lld\n", \ 108 (long long)sb1.FN, (long long)sb2.FN) 109 #define TIME(FN) \ 110 printf(#FN "\t%lld.%ld\t%lld.%ld\n", \ 111 (long long)sb1.FN.tv_sec, sb1.FN.tv_nsec, \ 112 (long long)sb2.FN.tv_sec, sb2.FN.tv_nsec) 113 114 FIELD(st_dev); 115 FIELD(st_mode); 116 FIELD(st_ino); 117 FIELD(st_nlink); 118 FIELD(st_uid); 119 FIELD(st_gid); 120 FIELD(st_rdev); 121 TIME(st_atim); 122 TIME(st_mtim); 123 TIME(st_ctim); 124 TIME(st_birthtim); 125 FIELD(st_size); 126 FIELD(st_blocks); 127 FIELD(st_flags); 128 FIELD(st_gen); 129 130 #undef FIELD 131 #undef TIME 132 133 atf_tc_fail("stat results differ, see ouput for more details"); 134 } 135 if (FSTYPE_UDF(tc)) 136 atf_tc_fail("random failure of PR kern/49033 " 137 "did not happen this time"); 138 } 139 140 static void 141 dir_simple(const atf_tc_t *tc, const char *mountpath) 142 { 143 char pb[MAXPATHLEN]; 144 struct stat sb; 145 146 USES_DIRS; 147 148 /* check we can create directories */ 149 sprintf(pb, "%s/dir", mountpath); 150 if (rump_sys_mkdir(pb, 0777) == -1) 151 atf_tc_fail_errno("mkdir"); 152 if (rump_sys_stat(pb, &sb) == -1) 153 atf_tc_fail_errno("stat new directory"); 154 155 /* check we can remove then and that it makes them unreachable */ 156 if (rump_sys_rmdir(pb) == -1) 157 atf_tc_fail_errno("rmdir"); 158 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 159 atf_tc_fail("ENOENT expected from stat"); 160 } 161 162 static void 163 dir_notempty(const atf_tc_t *tc, const char *mountpath) 164 { 165 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 166 int fd, rv; 167 168 USES_DIRS; 169 170 /* check we can create directories */ 171 sprintf(pb, "%s/dir", mountpath); 172 if (rump_sys_mkdir(pb, 0777) == -1) 173 atf_tc_fail_errno("mkdir"); 174 175 sprintf(pb2, "%s/dir/file", mountpath); 176 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 177 if (fd == -1) 178 atf_tc_fail_errno("create file"); 179 rump_sys_close(fd); 180 181 rv = rump_sys_rmdir(pb); 182 if (FSTYPE_ZFS(tc)) 183 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 184 if (rv != -1 || errno != ENOTEMPTY) 185 atf_tc_fail("non-empty directory removed succesfully"); 186 187 if (rump_sys_unlink(pb2) == -1) 188 atf_tc_fail_errno("cannot remove dir/file"); 189 190 if (rump_sys_rmdir(pb) == -1) 191 atf_tc_fail_errno("remove directory"); 192 } 193 194 static void 195 dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) 196 { 197 char pb[MAXPATHLEN]; 198 int xerrno; 199 200 USES_DIRS; 201 202 FSTEST_ENTER(); 203 RL(rump_sys_mkdir("test", 0777)); 204 RL(rump_sys_chdir("test")); 205 206 RL(rump_sys_mkdir("subtest", 0777)); 207 RL(rump_sys_chdir("subtest")); 208 209 md(pb, mp, "test/subtest"); 210 RL(rump_sys_rmdir(pb)); 211 md(pb, mp, "test"); 212 RL(rump_sys_rmdir(pb)); 213 214 if (FSTYPE_NFS(tc)) 215 xerrno = ESTALE; 216 else 217 xerrno = ENOENT; 218 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 219 FSTEST_EXIT(); 220 } 221 222 static void 223 checkfile(const char *path, struct stat *refp) 224 { 225 char buf[MAXPATHLEN]; 226 struct stat sb; 227 static int n = 1; 228 229 md(buf, path, "file"); 230 if (rump_sys_stat(buf, &sb) == -1) 231 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 232 if (memcmp(&sb, refp, sizeof(sb)) != 0) 233 atf_tc_fail("stat mismatch %d", n); 234 n++; 235 } 236 237 static void 238 rename_dir(const atf_tc_t *tc, const char *mp) 239 { 240 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 241 struct stat ref, sb; 242 243 if (FSTYPE_RUMPFS(tc)) 244 atf_tc_skip("rename not supported by file system"); 245 246 USES_DIRS; 247 248 md(pb1, mp, "dir1"); 249 if (rump_sys_mkdir(pb1, 0777) == -1) 250 atf_tc_fail_errno("mkdir 1"); 251 252 md(pb2, mp, "dir2"); 253 if (rump_sys_mkdir(pb2, 0777) == -1) 254 atf_tc_fail_errno("mkdir 2"); 255 md(pb2, mp, "dir2/subdir"); 256 if (rump_sys_mkdir(pb2, 0777) == -1) 257 atf_tc_fail_errno("mkdir 3"); 258 259 md(pb3, mp, "dir1/file"); 260 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 261 atf_tc_fail_errno("create file"); 262 if (rump_sys_stat(pb3, &ref) == -1) 263 atf_tc_fail_errno("stat of file"); 264 265 /* 266 * First try ops which should succeed. 267 */ 268 269 /* rename within directory */ 270 md(pb3, mp, "dir3"); 271 if (rump_sys_rename(pb1, pb3) == -1) 272 atf_tc_fail_errno("rename 1"); 273 checkfile(pb3, &ref); 274 275 /* rename directory onto itself (two ways, should fail) */ 276 md(pb1, mp, "dir3/."); 277 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 278 atf_tc_fail_errno("rename 2"); 279 if (FSTYPE_ZFS(tc)) 280 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 281 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 282 atf_tc_fail_errno("rename 3"); 283 284 checkfile(pb3, &ref); 285 286 /* rename father of directory into directory */ 287 md(pb1, mp, "dir2/dir"); 288 md(pb2, mp, "dir2"); 289 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 290 atf_tc_fail_errno("rename 4"); 291 292 /* same for grandfather */ 293 md(pb1, mp, "dir2/subdir/dir2"); 294 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 295 atf_tc_fail("rename 5"); 296 297 checkfile(pb3, &ref); 298 299 /* rename directory over a non-empty directory */ 300 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 301 atf_tc_fail("rename 6"); 302 303 /* cross-directory rename */ 304 md(pb1, mp, "dir3"); 305 md(pb2, mp, "dir2/somedir"); 306 if (rump_sys_rename(pb1, pb2) == -1) 307 atf_tc_fail_errno("rename 7"); 308 checkfile(pb2, &ref); 309 310 /* move to parent directory */ 311 md(pb1, mp, "dir2/somedir/../../dir3"); 312 if (rump_sys_rename(pb2, pb1) == -1) 313 atf_tc_fail_errno("rename 8"); 314 md(pb1, mp, "dir2/../dir3"); 315 checkfile(pb1, &ref); 316 317 /* atomic cross-directory rename */ 318 md(pb3, mp, "dir2/subdir"); 319 if (rump_sys_rename(pb1, pb3) == -1) 320 atf_tc_fail_errno("rename 9"); 321 checkfile(pb3, &ref); 322 323 /* rename directory over an empty directory */ 324 md(pb1, mp, "parent"); 325 md(pb2, mp, "parent/dir1"); 326 md(pb3, mp, "parent/dir2"); 327 RL(rump_sys_mkdir(pb1, 0777)); 328 RL(rump_sys_mkdir(pb2, 0777)); 329 RL(rump_sys_mkdir(pb3, 0777)); 330 RL(rump_sys_rename(pb2, pb3)); 331 332 RL(rump_sys_stat(pb1, &sb)); 333 if (! FSTYPE_MSDOS(tc)) 334 ATF_CHECK_EQ(sb.st_nlink, 3); 335 RL(rump_sys_rmdir(pb3)); 336 RL(rump_sys_rmdir(pb1)); 337 } 338 339 static void 340 rename_dotdot(const atf_tc_t *tc, const char *mp) 341 { 342 343 if (FSTYPE_RUMPFS(tc)) 344 atf_tc_skip("rename not supported by file system"); 345 346 USES_DIRS; 347 348 if (rump_sys_chdir(mp) == -1) 349 atf_tc_fail_errno("chdir mountpoint"); 350 351 if (rump_sys_mkdir("dir1", 0777) == -1) 352 atf_tc_fail_errno("mkdir 1"); 353 if (rump_sys_mkdir("dir2", 0777) == -1) 354 atf_tc_fail_errno("mkdir 2"); 355 356 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 357 atf_tc_fail_errno("self-dotdot to"); 358 359 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 360 atf_tc_fail_errno("self-dotdot from"); 361 362 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 363 atf_tc_fail("other-dotdot"); 364 365 rump_sys_chdir("/"); 366 } 367 368 static void 369 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 370 { 371 bool haslinks; 372 struct stat sb; 373 ino_t f1ino; 374 375 if (FSTYPE_RUMPFS(tc)) 376 atf_tc_skip("rename not supported by file system"); 377 378 if (rump_sys_chdir(mp) == -1) 379 atf_tc_fail_errno("chdir mountpoint"); 380 381 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 382 haslinks = false; 383 else 384 haslinks = true; 385 386 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 387 atf_tc_fail_errno("create file"); 388 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 389 atf_tc_fail_errno("create file"); 390 391 if (rump_sys_stat("file1", &sb) == -1) 392 atf_tc_fail_errno("stat"); 393 f1ino = sb.st_ino; 394 395 if (haslinks) { 396 if (rump_sys_link("file1", "file_link") == -1) 397 atf_tc_fail_errno("link"); 398 if (rump_sys_stat("file_link", &sb) == -1) 399 atf_tc_fail_errno("stat"); 400 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 401 ATF_REQUIRE_EQ(sb.st_nlink, 2); 402 } 403 404 if (rump_sys_stat("file2", &sb) == -1) 405 atf_tc_fail_errno("stat"); 406 407 if (rump_sys_rename("file1", "file3") == -1) 408 atf_tc_fail_errno("rename 1"); 409 if (rump_sys_stat("file3", &sb) == -1) 410 atf_tc_fail_errno("stat 1"); 411 if (haslinks) { 412 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 413 } 414 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 415 atf_tc_fail_errno("source 1"); 416 417 if (rump_sys_rename("file3", "file2") == -1) 418 atf_tc_fail_errno("rename 2"); 419 if (rump_sys_stat("file2", &sb) == -1) 420 atf_tc_fail_errno("stat 2"); 421 if (haslinks) { 422 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 423 } 424 425 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 426 atf_tc_fail_errno("source 2"); 427 428 if (haslinks) { 429 if (rump_sys_rename("file2", "file_link") == -1) 430 atf_tc_fail_errno("rename hardlink"); 431 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 432 atf_tc_fail_errno("source 3"); 433 if (rump_sys_stat("file_link", &sb) == -1) 434 atf_tc_fail_errno("stat 2"); 435 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 436 ATF_REQUIRE_EQ(sb.st_nlink, 1); 437 } 438 439 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename("file2", NULL) == -1); 440 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename(NULL, "file2") == -1); 441 442 rump_sys_chdir("/"); 443 } 444 445 static void 446 create_nametoolong(const atf_tc_t *tc, const char *mp) 447 { 448 char *name; 449 int fd; 450 long val; 451 size_t len; 452 453 if (rump_sys_chdir(mp) == -1) 454 atf_tc_fail_errno("chdir mountpoint"); 455 456 val = rump_sys_pathconf(".", _PC_NAME_MAX); 457 if (val == -1) 458 atf_tc_fail_errno("pathconf"); 459 460 len = val + 1; 461 name = malloc(len+1); 462 if (name == NULL) 463 atf_tc_fail_errno("malloc"); 464 465 memset(name, 'a', len); 466 *(name+len) = '\0'; 467 468 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 469 if (val == -1) 470 atf_tc_fail_errno("pathconf"); 471 472 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 473 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 474 atf_tc_fail_errno("open"); 475 476 if (val == 0 && rump_sys_close(fd) == -1) 477 atf_tc_fail_errno("close"); 478 if (val == 0 && rump_sys_unlink(name) == -1) 479 atf_tc_fail_errno("unlink"); 480 481 free(name); 482 483 rump_sys_chdir("/"); 484 } 485 486 static void 487 create_exist(const atf_tc_t *tc, const char *mp) 488 { 489 const char *name = "hoge"; 490 int fd; 491 492 RL(rump_sys_chdir(mp)); 493 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 494 RL(rump_sys_close(fd)); 495 RL(rump_sys_unlink(name)); 496 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 497 RL(rump_sys_close(fd)); 498 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 499 RL(rump_sys_close(fd)); 500 ATF_REQUIRE_ERRNO(EEXIST, 501 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 502 RL(rump_sys_unlink(name)); 503 RL(rump_sys_chdir("/")); 504 } 505 506 static void 507 rename_nametoolong(const atf_tc_t *tc, const char *mp) 508 { 509 char *name; 510 int res, fd; 511 long val; 512 size_t len; 513 514 if (FSTYPE_RUMPFS(tc)) 515 atf_tc_skip("rename not supported by file system"); 516 517 if (rump_sys_chdir(mp) == -1) 518 atf_tc_fail_errno("chdir mountpoint"); 519 520 val = rump_sys_pathconf(".", _PC_NAME_MAX); 521 if (val == -1) 522 atf_tc_fail_errno("pathconf"); 523 524 len = val + 1; 525 name = malloc(len+1); 526 if (name == NULL) 527 atf_tc_fail_errno("malloc"); 528 529 memset(name, 'a', len); 530 *(name+len) = '\0'; 531 532 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 533 if (fd == -1) 534 atf_tc_fail_errno("open"); 535 if (rump_sys_close(fd) == -1) 536 atf_tc_fail_errno("close"); 537 538 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 539 if (val == -1) 540 atf_tc_fail_errno("pathconf"); 541 542 res = rump_sys_rename("dummy", name); 543 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 544 atf_tc_fail_errno("rename"); 545 546 if (val == 0 && rump_sys_unlink(name) == -1) 547 atf_tc_fail_errno("unlink"); 548 549 free(name); 550 551 rump_sys_chdir("/"); 552 } 553 554 static void 555 symlink_zerolen(const atf_tc_t *tc, const char *mp) 556 { 557 558 USES_SYMLINKS; 559 560 RL(rump_sys_chdir(mp)); 561 562 RL(rump_sys_symlink("", "afile")); 563 RL(rump_sys_chdir("/")); 564 } 565 566 static void 567 symlink_root(const atf_tc_t *tc, const char *mp) 568 { 569 570 USES_SYMLINKS; 571 572 RL(rump_sys_chdir(mp)); 573 RL(rump_sys_symlink("/", "foo")); 574 RL(rump_sys_chdir("foo")); 575 } 576 577 static void 578 attrs(const atf_tc_t *tc, const char *mp) 579 { 580 struct stat sb, sb2; 581 struct timeval tv[2]; 582 int fd; 583 584 FSTEST_ENTER(); 585 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 586 RL(rump_sys_close(fd)); 587 RL(rump_sys_stat(TESTFILE, &sb)); 588 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 589 RL(rump_sys_chown(TESTFILE, 1, 2)); 590 sb.st_uid = 1; 591 sb.st_gid = 2; 592 RL(rump_sys_chmod(TESTFILE, 0123)); 593 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 594 } 595 596 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 597 tv[0].tv_usec = 1; 598 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 599 tv[1].tv_usec = 3; 600 RL(rump_sys_utimes(TESTFILE, tv)); 601 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 602 sb.st_atimespec.tv_sec = 1000000000; 603 sb.st_atimespec.tv_nsec = 1000; 604 sb.st_mtimespec.tv_sec = 1000000002; 605 sb.st_mtimespec.tv_nsec = 3000; 606 607 RL(rump_sys_stat(TESTFILE, &sb2)); 608 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 609 if (FSTYPE_ZFS(tc)) 610 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 611 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 612 CHECK(st_uid); 613 CHECK(st_gid); 614 CHECK(st_mode); 615 } 616 if (!FSTYPE_MSDOS(tc)) { 617 /* msdosfs has only access date, not time */ 618 CHECK(st_atimespec.tv_sec); 619 } 620 CHECK(st_mtimespec.tv_sec); 621 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || 622 FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(tc))) { 623 CHECK(st_atimespec.tv_nsec); 624 CHECK(st_mtimespec.tv_nsec); 625 } 626 #undef CHECK 627 628 FSTEST_EXIT(); 629 } 630 631 static void 632 fcntl_lock(const atf_tc_t *tc, const char *mp) 633 { 634 int fd, fd2; 635 struct flock l; 636 struct lwp *lwp1, *lwp2; 637 638 FSTEST_ENTER(); 639 l.l_pid = 0; 640 l.l_start = l.l_len = 1024; 641 l.l_type = F_RDLCK | F_WRLCK; 642 l.l_whence = SEEK_END; 643 644 lwp1 = rump_pub_lwproc_curlwp(); 645 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 646 RL(rump_sys_ftruncate(fd, 8192)); 647 648 /* PR kern/43321 */ 649 if (FSTYPE_ZFS(tc)) 650 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 651 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 652 653 /* Next, we fork and try to lock the same area */ 654 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 655 lwp2 = rump_pub_lwproc_curlwp(); 656 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 657 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 658 659 /* Switch back and unlock... */ 660 rump_pub_lwproc_switch(lwp1); 661 l.l_type = F_UNLCK; 662 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 663 664 /* ... and try to lock again */ 665 rump_pub_lwproc_switch(lwp2); 666 l.l_type = F_RDLCK | F_WRLCK; 667 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 668 669 RL(rump_sys_close(fd2)); 670 rump_pub_lwproc_releaselwp(); 671 672 RL(rump_sys_close(fd)); 673 674 FSTEST_EXIT(); 675 } 676 677 static int 678 flock_compare(const void *p, const void *q) 679 { 680 int a = ((const struct flock *)p)->l_start; 681 int b = ((const struct flock *)q)->l_start; 682 return a < b ? -1 : (a > b ? 1 : 0); 683 } 684 685 /* 686 * Find all locks set by fcntl_getlock_pids test 687 * using GETLK for a range [start, start+end], and, 688 * if there is a blocking lock, recursively find 689 * all locks to the left (toward the beginning of 690 * a file) and to the right of the lock. 691 * The function also understands "until end of file" 692 * convention when len==0. 693 */ 694 static unsigned int 695 fcntl_getlocks(int fildes, off_t start, off_t len, 696 struct flock *lock, struct flock *end) 697 { 698 unsigned int rv = 0; 699 const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; 700 701 if (lock == end) 702 return rv; 703 704 RL(rump_sys_fcntl(fildes, F_GETLK, &l)); 705 706 if (l.l_type == F_UNLCK) 707 return rv; 708 709 *lock++ = l; 710 rv += 1; 711 712 ATF_REQUIRE(l.l_whence == SEEK_SET); 713 714 if (l.l_start > start) { 715 unsigned int n = 716 fcntl_getlocks(fildes, start, l.l_start - start, lock, end); 717 rv += n; 718 lock += n; 719 if (lock == end) 720 return rv; 721 } 722 723 if (l.l_len == 0) /* does l spans until the end? */ 724 return rv; 725 726 if (len == 0) /* are we looking for locks until the end? */ { 727 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 728 } else if (l.l_start + l.l_len < start + len) { 729 len -= l.l_start + l.l_len - start; 730 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 731 } 732 733 return rv; 734 } 735 736 static void 737 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 738 { 739 /* test non-overlaping ranges */ 740 struct flock expect[4]; 741 const struct flock lock[4] = { 742 { 0, 2, 0, F_WRLCK, SEEK_SET }, 743 { 2, 1, 0, F_WRLCK, SEEK_SET }, 744 { 7, 5, 0, F_WRLCK, SEEK_SET }, 745 { 4, 3, 0, F_WRLCK, SEEK_SET }, 746 }; 747 748 /* Add extra element to make sure recursion does't stop at array end */ 749 struct flock result[5]; 750 751 /* Add 5th process */ 752 int fd[5]; 753 pid_t pid[5]; 754 struct lwp *lwp[5]; 755 756 unsigned int i, j; 757 const off_t sz = 8192; 758 int omode = 0755; 759 int oflags = O_RDWR | O_CREAT; 760 761 memcpy(expect, lock, sizeof(lock)); 762 763 FSTEST_ENTER(); 764 765 /* 766 * First, we create 4 processes and let each lock a range of the 767 * file. Note that the third and fourth processes lock in 768 * "reverse" order, i.e. the greater pid locks a range before 769 * the lesser pid. 770 * Then, we create 5th process which doesn't lock anything. 771 */ 772 for (i = 0; i < __arraycount(lwp); i++) { 773 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 774 775 lwp[i] = rump_pub_lwproc_curlwp(); 776 pid[i] = rump_sys_getpid(); 777 778 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 779 oflags = O_RDWR; 780 omode = 0; 781 782 RL(rump_sys_ftruncate(fd[i], sz)); 783 784 if (FSTYPE_ZFS(tc)) 785 atf_tc_expect_fail("PR kern/47656: Test known to be " 786 "broken"); 787 if (i < __arraycount(lock)) { 788 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 789 expect[i].l_pid = pid[i]; 790 } 791 } 792 793 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 794 795 /* 796 * In the context of each process, recursively find all locks 797 * that would block the current process. Processes 1-4 don't 798 * see their own lock, we insert it to simplify checks. 799 * Process 5 sees all 4 locks. 800 */ 801 for (i = 0; i < __arraycount(lwp); i++) { 802 unsigned int nlocks; 803 804 rump_pub_lwproc_switch(lwp[i]); 805 806 memset(result, 0, sizeof(result)); 807 nlocks = fcntl_getlocks(fd[i], 0, sz, 808 result, result + __arraycount(result)); 809 810 if (i < __arraycount(lock)) { 811 ATF_REQUIRE(nlocks < __arraycount(result)); 812 result[nlocks] = lock[i]; 813 result[nlocks].l_pid = pid[i]; 814 nlocks++; 815 } 816 817 ATF_CHECK_EQ(nlocks, __arraycount(expect)); 818 819 qsort(result, nlocks, sizeof(result[0]), &flock_compare); 820 821 for (j = 0; j < nlocks; j++) { 822 ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); 823 ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); 824 ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); 825 ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); 826 ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); 827 } 828 } 829 830 /* 831 * Release processes. This also releases the fds and locks 832 * making fs unmount possible 833 */ 834 for (i = 0; i < __arraycount(lwp); i++) { 835 rump_pub_lwproc_switch(lwp[i]); 836 rump_pub_lwproc_releaselwp(); 837 } 838 839 FSTEST_EXIT(); 840 } 841 842 static void 843 access_simple(const atf_tc_t *tc, const char *mp) 844 { 845 int fd; 846 int tmode; 847 848 FSTEST_ENTER(); 849 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 850 RL(rump_sys_close(fd)); 851 852 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 853 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 854 tmode = F_OK; 855 else 856 tmode = ALLACC; 857 858 RL(rump_sys_access("tfile", tmode)); 859 860 /* PR kern/44648 */ 861 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 862 #undef ALLACC 863 FSTEST_EXIT(); 864 } 865 866 static void 867 read_directory(const atf_tc_t *tc, const char *mp) 868 { 869 char buf[1024]; 870 int fd, res; 871 ssize_t size; 872 873 FSTEST_ENTER(); 874 fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); 875 ATF_REQUIRE(fd != -1); 876 877 size = rump_sys_pread(fd, buf, sizeof(buf), 0); 878 ATF_CHECK(size != -1 || errno == EISDIR); 879 size = rump_sys_read(fd, buf, sizeof(buf)); 880 ATF_CHECK(size != -1 || errno == EISDIR); 881 882 res = rump_sys_close(fd); 883 ATF_REQUIRE(res != -1); 884 FSTEST_EXIT(); 885 } 886 887 static void 888 lstat_symlink(const atf_tc_t *tc, const char *mp) 889 { 890 const char *src, *dst; 891 int res; 892 struct stat st; 893 894 USES_SYMLINKS; 895 FSTEST_ENTER(); 896 897 src = "source"; 898 dst = "destination"; 899 900 res = rump_sys_symlink(src, dst); 901 ATF_REQUIRE(res != -1); 902 res = rump_sys_lstat(dst, &st); 903 ATF_REQUIRE(res != -1); 904 905 ATF_CHECK(S_ISLNK(st.st_mode) != 0); 906 ATF_CHECK(st.st_size == (off_t)strlen(src)); 907 908 FSTEST_EXIT(); 909 } 910 911 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 912 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 913 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 914 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 915 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); 916 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " 917 "(PR kern/44288)"); 918 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); 919 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 920 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 921 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 922 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 923 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 924 ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); 925 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 926 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 927 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 928 ATF_TC_FSAPPLY(access_simple, "access(2)"); 929 ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); 930 ATF_TC_FSAPPLY(lstat_symlink, "lstat(2) values for symbolic links"); 931 932 ATF_TP_ADD_TCS(tp) 933 { 934 935 ATF_TP_FSAPPLY(lookup_simple); 936 ATF_TP_FSAPPLY(lookup_complex); 937 ATF_TP_FSAPPLY(dir_simple); 938 ATF_TP_FSAPPLY(dir_notempty); 939 ATF_TP_FSAPPLY(dir_rmdirdotdot); 940 ATF_TP_FSAPPLY(rename_dir); 941 ATF_TP_FSAPPLY(rename_dotdot); 942 ATF_TP_FSAPPLY(rename_reg_nodir); 943 ATF_TP_FSAPPLY(create_nametoolong); 944 ATF_TP_FSAPPLY(create_exist); 945 ATF_TP_FSAPPLY(rename_nametoolong); 946 ATF_TP_FSAPPLY(symlink_zerolen); 947 ATF_TP_FSAPPLY(symlink_root); 948 ATF_TP_FSAPPLY(attrs); 949 ATF_TP_FSAPPLY(fcntl_lock); 950 ATF_TP_FSAPPLY(fcntl_getlock_pids); 951 ATF_TP_FSAPPLY(access_simple); 952 ATF_TP_FSAPPLY(read_directory); 953 ATF_TP_FSAPPLY(lstat_symlink); 954 955 return atf_no_error(); 956 } 957
Indexes created Sat Oct 25 16:10:12 GMT 2025