t_vnops.c revision 1.37
1 /* $NetBSD: t_vnops.c,v 1.37 2013/07/28 09:03:43 njoly 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 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 101 } 102 103 static void 104 dir_simple(const atf_tc_t *tc, const char *mountpath) 105 { 106 char pb[MAXPATHLEN]; 107 struct stat sb; 108 109 USES_DIRS; 110 111 /* check we can create directories */ 112 sprintf(pb, "%s/dir", mountpath); 113 if (rump_sys_mkdir(pb, 0777) == -1) 114 atf_tc_fail_errno("mkdir"); 115 if (rump_sys_stat(pb, &sb) == -1) 116 atf_tc_fail_errno("stat new directory"); 117 118 /* check we can remove then and that it makes them unreachable */ 119 if (rump_sys_rmdir(pb) == -1) 120 atf_tc_fail_errno("rmdir"); 121 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 122 atf_tc_fail("ENOENT expected from stat"); 123 } 124 125 static void 126 dir_notempty(const atf_tc_t *tc, const char *mountpath) 127 { 128 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 129 int fd, rv; 130 131 USES_DIRS; 132 133 /* check we can create directories */ 134 sprintf(pb, "%s/dir", mountpath); 135 if (rump_sys_mkdir(pb, 0777) == -1) 136 atf_tc_fail_errno("mkdir"); 137 138 sprintf(pb2, "%s/dir/file", mountpath); 139 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 140 if (fd == -1) 141 atf_tc_fail_errno("create file"); 142 rump_sys_close(fd); 143 144 rv = rump_sys_rmdir(pb); 145 if (FSTYPE_ZFS(tc)) 146 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 147 if (rv != -1 || errno != ENOTEMPTY) 148 atf_tc_fail("non-empty directory removed succesfully"); 149 150 if (rump_sys_unlink(pb2) == -1) 151 atf_tc_fail_errno("cannot remove dir/file"); 152 153 if (rump_sys_rmdir(pb) == -1) 154 atf_tc_fail_errno("remove directory"); 155 } 156 157 static void 158 dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) 159 { 160 char pb[MAXPATHLEN]; 161 int xerrno; 162 163 USES_DIRS; 164 165 FSTEST_ENTER(); 166 RL(rump_sys_mkdir("test", 0777)); 167 RL(rump_sys_chdir("test")); 168 169 RL(rump_sys_mkdir("subtest", 0777)); 170 RL(rump_sys_chdir("subtest")); 171 172 md(pb, mp, "test/subtest"); 173 RL(rump_sys_rmdir(pb)); 174 md(pb, mp, "test"); 175 RL(rump_sys_rmdir(pb)); 176 177 if (FSTYPE_NFS(tc)) 178 xerrno = ESTALE; 179 else 180 xerrno = ENOENT; 181 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 182 FSTEST_EXIT(); 183 } 184 185 static void 186 checkfile(const char *path, struct stat *refp) 187 { 188 char buf[MAXPATHLEN]; 189 struct stat sb; 190 static int n = 1; 191 192 md(buf, path, "file"); 193 if (rump_sys_stat(buf, &sb) == -1) 194 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 195 if (memcmp(&sb, refp, sizeof(sb)) != 0) 196 atf_tc_fail("stat mismatch %d", n); 197 n++; 198 } 199 200 static void 201 rename_dir(const atf_tc_t *tc, const char *mp) 202 { 203 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 204 struct stat ref, sb; 205 206 if (FSTYPE_RUMPFS(tc)) 207 atf_tc_skip("rename not supported by file system"); 208 209 USES_DIRS; 210 211 md(pb1, mp, "dir1"); 212 if (rump_sys_mkdir(pb1, 0777) == -1) 213 atf_tc_fail_errno("mkdir 1"); 214 215 md(pb2, mp, "dir2"); 216 if (rump_sys_mkdir(pb2, 0777) == -1) 217 atf_tc_fail_errno("mkdir 2"); 218 md(pb2, mp, "dir2/subdir"); 219 if (rump_sys_mkdir(pb2, 0777) == -1) 220 atf_tc_fail_errno("mkdir 3"); 221 222 md(pb3, mp, "dir1/file"); 223 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 224 atf_tc_fail_errno("create file"); 225 if (rump_sys_stat(pb3, &ref) == -1) 226 atf_tc_fail_errno("stat of file"); 227 228 /* 229 * First try ops which should succeed. 230 */ 231 232 /* rename within directory */ 233 md(pb3, mp, "dir3"); 234 if (rump_sys_rename(pb1, pb3) == -1) 235 atf_tc_fail_errno("rename 1"); 236 checkfile(pb3, &ref); 237 238 /* rename directory onto itself (two ways, should fail) */ 239 md(pb1, mp, "dir3/."); 240 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 241 atf_tc_fail_errno("rename 2"); 242 if (FSTYPE_ZFS(tc)) 243 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 244 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 245 atf_tc_fail_errno("rename 3"); 246 247 checkfile(pb3, &ref); 248 249 /* rename father of directory into directory */ 250 md(pb1, mp, "dir2/dir"); 251 md(pb2, mp, "dir2"); 252 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 253 atf_tc_fail_errno("rename 4"); 254 255 /* same for grandfather */ 256 md(pb1, mp, "dir2/subdir/dir2"); 257 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 258 atf_tc_fail("rename 5"); 259 260 checkfile(pb3, &ref); 261 262 /* rename directory over a non-empty directory */ 263 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 264 atf_tc_fail("rename 6"); 265 266 /* cross-directory rename */ 267 md(pb1, mp, "dir3"); 268 md(pb2, mp, "dir2/somedir"); 269 if (rump_sys_rename(pb1, pb2) == -1) 270 atf_tc_fail_errno("rename 7"); 271 checkfile(pb2, &ref); 272 273 /* move to parent directory */ 274 md(pb1, mp, "dir2/somedir/../../dir3"); 275 if (rump_sys_rename(pb2, pb1) == -1) 276 atf_tc_fail_errno("rename 8"); 277 md(pb1, mp, "dir2/../dir3"); 278 checkfile(pb1, &ref); 279 280 /* atomic cross-directory rename */ 281 md(pb3, mp, "dir2/subdir"); 282 if (rump_sys_rename(pb1, pb3) == -1) 283 atf_tc_fail_errno("rename 9"); 284 checkfile(pb3, &ref); 285 286 /* rename directory over an empty directory */ 287 md(pb1, mp, "parent"); 288 md(pb2, mp, "parent/dir1"); 289 md(pb3, mp, "parent/dir2"); 290 RL(rump_sys_mkdir(pb1, 0777)); 291 RL(rump_sys_mkdir(pb2, 0777)); 292 RL(rump_sys_mkdir(pb3, 0777)); 293 RL(rump_sys_rename(pb2, pb3)); 294 295 RL(rump_sys_stat(pb1, &sb)); 296 if (! FSTYPE_MSDOS(tc)) 297 ATF_CHECK_EQ(sb.st_nlink, 3); 298 RL(rump_sys_rmdir(pb3)); 299 RL(rump_sys_rmdir(pb1)); 300 } 301 302 static void 303 rename_dotdot(const atf_tc_t *tc, const char *mp) 304 { 305 306 if (FSTYPE_RUMPFS(tc)) 307 atf_tc_skip("rename not supported by file system"); 308 309 USES_DIRS; 310 311 if (rump_sys_chdir(mp) == -1) 312 atf_tc_fail_errno("chdir mountpoint"); 313 314 if (rump_sys_mkdir("dir1", 0777) == -1) 315 atf_tc_fail_errno("mkdir 1"); 316 if (rump_sys_mkdir("dir2", 0777) == -1) 317 atf_tc_fail_errno("mkdir 2"); 318 319 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 320 atf_tc_fail_errno("self-dotdot to"); 321 322 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 323 atf_tc_fail_errno("self-dotdot from"); 324 325 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 326 atf_tc_fail("other-dotdot"); 327 328 rump_sys_chdir("/"); 329 } 330 331 static void 332 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 333 { 334 bool haslinks; 335 struct stat sb; 336 ino_t f1ino, f2ino; 337 338 if (FSTYPE_RUMPFS(tc)) 339 atf_tc_skip("rename not supported by file system"); 340 341 if (rump_sys_chdir(mp) == -1) 342 atf_tc_fail_errno("chdir mountpoint"); 343 344 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 345 haslinks = false; 346 else 347 haslinks = true; 348 349 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 350 atf_tc_fail_errno("create file"); 351 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 352 atf_tc_fail_errno("create file"); 353 354 if (rump_sys_stat("file1", &sb) == -1) 355 atf_tc_fail_errno("stat"); 356 f1ino = sb.st_ino; 357 358 if (haslinks) { 359 if (rump_sys_link("file1", "file_link") == -1) 360 atf_tc_fail_errno("link"); 361 if (rump_sys_stat("file_link", &sb) == -1) 362 atf_tc_fail_errno("stat"); 363 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 364 ATF_REQUIRE_EQ(sb.st_nlink, 2); 365 } 366 367 if (rump_sys_stat("file2", &sb) == -1) 368 atf_tc_fail_errno("stat"); 369 f2ino = sb.st_ino; 370 371 if (rump_sys_rename("file1", "file3") == -1) 372 atf_tc_fail_errno("rename 1"); 373 if (rump_sys_stat("file3", &sb) == -1) 374 atf_tc_fail_errno("stat 1"); 375 if (haslinks) { 376 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 377 } 378 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 379 atf_tc_fail_errno("source 1"); 380 381 if (rump_sys_rename("file3", "file2") == -1) 382 atf_tc_fail_errno("rename 2"); 383 if (rump_sys_stat("file2", &sb) == -1) 384 atf_tc_fail_errno("stat 2"); 385 if (haslinks) { 386 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 387 } 388 389 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 390 atf_tc_fail_errno("source 2"); 391 392 if (haslinks) { 393 if (rump_sys_rename("file2", "file_link") == -1) 394 atf_tc_fail_errno("rename hardlink"); 395 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 396 atf_tc_fail_errno("source 3"); 397 if (rump_sys_stat("file_link", &sb) == -1) 398 atf_tc_fail_errno("stat 2"); 399 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 400 ATF_REQUIRE_EQ(sb.st_nlink, 1); 401 } 402 403 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename("file2", NULL) == -1); 404 ATF_CHECK_ERRNO(EFAULT, rump_sys_rename(NULL, "file2") == -1); 405 406 rump_sys_chdir("/"); 407 } 408 409 static void 410 create_nametoolong(const atf_tc_t *tc, const char *mp) 411 { 412 char *name; 413 int fd; 414 long val; 415 size_t len; 416 417 if (rump_sys_chdir(mp) == -1) 418 atf_tc_fail_errno("chdir mountpoint"); 419 420 val = rump_sys_pathconf(".", _PC_NAME_MAX); 421 if (val == -1) 422 atf_tc_fail_errno("pathconf"); 423 424 len = val + 1; 425 name = malloc(len+1); 426 if (name == NULL) 427 atf_tc_fail_errno("malloc"); 428 429 memset(name, 'a', len); 430 *(name+len) = '\0'; 431 432 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 433 if (val == -1) 434 atf_tc_fail_errno("pathconf"); 435 436 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 437 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 438 atf_tc_fail_errno("open"); 439 440 if (val == 0 && rump_sys_close(fd) == -1) 441 atf_tc_fail_errno("close"); 442 if (val == 0 && rump_sys_unlink(name) == -1) 443 atf_tc_fail_errno("unlink"); 444 445 free(name); 446 447 rump_sys_chdir("/"); 448 } 449 450 static void 451 create_exist(const atf_tc_t *tc, const char *mp) 452 { 453 const char *name = "hoge"; 454 int fd; 455 456 RL(rump_sys_chdir(mp)); 457 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 458 RL(rump_sys_close(fd)); 459 RL(rump_sys_unlink(name)); 460 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 461 RL(rump_sys_close(fd)); 462 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 463 RL(rump_sys_close(fd)); 464 ATF_REQUIRE_ERRNO(EEXIST, 465 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 466 RL(rump_sys_unlink(name)); 467 RL(rump_sys_chdir("/")); 468 } 469 470 static void 471 rename_nametoolong(const atf_tc_t *tc, const char *mp) 472 { 473 char *name; 474 int res, fd; 475 long val; 476 size_t len; 477 478 if (FSTYPE_RUMPFS(tc)) 479 atf_tc_skip("rename not supported by file system"); 480 481 if (rump_sys_chdir(mp) == -1) 482 atf_tc_fail_errno("chdir mountpoint"); 483 484 val = rump_sys_pathconf(".", _PC_NAME_MAX); 485 if (val == -1) 486 atf_tc_fail_errno("pathconf"); 487 488 len = val + 1; 489 name = malloc(len+1); 490 if (name == NULL) 491 atf_tc_fail_errno("malloc"); 492 493 memset(name, 'a', len); 494 *(name+len) = '\0'; 495 496 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 497 if (fd == -1) 498 atf_tc_fail_errno("open"); 499 if (rump_sys_close(fd) == -1) 500 atf_tc_fail_errno("close"); 501 502 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 503 if (val == -1) 504 atf_tc_fail_errno("pathconf"); 505 506 res = rump_sys_rename("dummy", name); 507 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 508 atf_tc_fail_errno("rename"); 509 510 if (val == 0 && rump_sys_unlink(name) == -1) 511 atf_tc_fail_errno("unlink"); 512 513 free(name); 514 515 rump_sys_chdir("/"); 516 } 517 518 static void 519 symlink_zerolen(const atf_tc_t *tc, const char *mp) 520 { 521 522 USES_SYMLINKS; 523 524 RL(rump_sys_chdir(mp)); 525 526 RL(rump_sys_symlink("", "afile")); 527 RL(rump_sys_chdir("/")); 528 } 529 530 static void 531 symlink_root(const atf_tc_t *tc, const char *mp) 532 { 533 534 USES_SYMLINKS; 535 536 RL(rump_sys_chdir(mp)); 537 RL(rump_sys_symlink("/", "foo")); 538 RL(rump_sys_chdir("foo")); 539 } 540 541 static void 542 attrs(const atf_tc_t *tc, const char *mp) 543 { 544 struct stat sb, sb2; 545 struct timeval tv[2]; 546 int fd; 547 548 FSTEST_ENTER(); 549 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 550 RL(rump_sys_close(fd)); 551 RL(rump_sys_stat(TESTFILE, &sb)); 552 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 553 RL(rump_sys_chown(TESTFILE, 1, 2)); 554 sb.st_uid = 1; 555 sb.st_gid = 2; 556 RL(rump_sys_chmod(TESTFILE, 0123)); 557 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 558 } 559 560 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 561 tv[0].tv_usec = 1; 562 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 563 tv[1].tv_usec = 3; 564 RL(rump_sys_utimes(TESTFILE, tv)); 565 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 566 sb.st_atimespec.tv_sec = 1000000000; 567 sb.st_atimespec.tv_nsec = 1000; 568 sb.st_mtimespec.tv_sec = 1000000002; 569 sb.st_mtimespec.tv_nsec = 3000; 570 571 RL(rump_sys_stat(TESTFILE, &sb2)); 572 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 573 if (FSTYPE_ZFS(tc)) 574 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 575 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 576 CHECK(st_uid); 577 CHECK(st_gid); 578 CHECK(st_mode); 579 } 580 if (!FSTYPE_MSDOS(tc)) { 581 /* msdosfs has only access date, not time */ 582 CHECK(st_atimespec.tv_sec); 583 } 584 CHECK(st_mtimespec.tv_sec); 585 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || 586 FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(tc))) { 587 CHECK(st_atimespec.tv_nsec); 588 CHECK(st_mtimespec.tv_nsec); 589 } 590 #undef CHECK 591 592 FSTEST_EXIT(); 593 } 594 595 static void 596 fcntl_lock(const atf_tc_t *tc, const char *mp) 597 { 598 int fd, fd2; 599 struct flock l; 600 struct lwp *lwp1, *lwp2; 601 602 FSTEST_ENTER(); 603 l.l_pid = 0; 604 l.l_start = l.l_len = 1024; 605 l.l_type = F_RDLCK | F_WRLCK; 606 l.l_whence = SEEK_END; 607 608 lwp1 = rump_pub_lwproc_curlwp(); 609 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 610 RL(rump_sys_ftruncate(fd, 8192)); 611 612 /* PR kern/43321 */ 613 if (FSTYPE_ZFS(tc)) 614 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 615 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 616 617 /* Next, we fork and try to lock the same area */ 618 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 619 lwp2 = rump_pub_lwproc_curlwp(); 620 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 621 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 622 623 /* Switch back and unlock... */ 624 rump_pub_lwproc_switch(lwp1); 625 l.l_type = F_UNLCK; 626 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 627 628 /* ... and try to lock again */ 629 rump_pub_lwproc_switch(lwp2); 630 l.l_type = F_RDLCK | F_WRLCK; 631 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 632 633 RL(rump_sys_close(fd2)); 634 rump_pub_lwproc_releaselwp(); 635 636 RL(rump_sys_close(fd)); 637 638 FSTEST_EXIT(); 639 } 640 641 static int 642 flock_compare(const void *p, const void *q) 643 { 644 int a = ((const struct flock *)p)->l_start; 645 int b = ((const struct flock *)q)->l_start; 646 return a < b ? -1 : (a > b ? 1 : 0); 647 } 648 649 /* 650 * Find all locks set by fcntl_getlock_pids test 651 * using GETLK for a range [start, start+end], and, 652 * if there is a blocking lock, recursively find 653 * all locks to the left (toward the beginning of 654 * a file) and to the right of the lock. 655 * The function also understands "until end of file" 656 * convention when len==0. 657 */ 658 static unsigned int 659 fcntl_getlocks(int fildes, off_t start, off_t len, 660 struct flock *lock, struct flock *end) 661 { 662 unsigned int rv = 0; 663 const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; 664 665 if (lock == end) 666 return rv; 667 668 RL(rump_sys_fcntl(fildes, F_GETLK, &l)); 669 670 if (l.l_type == F_UNLCK) 671 return rv; 672 673 *lock++ = l; 674 rv += 1; 675 676 ATF_REQUIRE(l.l_whence == SEEK_SET); 677 678 if (l.l_start > start) { 679 unsigned int n = 680 fcntl_getlocks(fildes, start, l.l_start - start, lock, end); 681 rv += n; 682 lock += n; 683 if (lock == end) 684 return rv; 685 } 686 687 if (l.l_len == 0) /* does l spans until the end? */ 688 return rv; 689 690 if (len == 0) /* are we looking for locks until the end? */ { 691 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 692 } else if (l.l_start + l.l_len < start + len) { 693 len -= l.l_start + l.l_len - start; 694 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 695 } 696 697 return rv; 698 } 699 700 static void 701 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 702 { 703 /* test non-overlaping ranges */ 704 struct flock expect[4]; 705 const struct flock lock[4] = { 706 { 0, 2, 0, F_WRLCK, SEEK_SET }, 707 { 2, 1, 0, F_WRLCK, SEEK_SET }, 708 { 7, 5, 0, F_WRLCK, SEEK_SET }, 709 { 4, 3, 0, F_WRLCK, SEEK_SET }, 710 }; 711 712 /* Add extra element to make sure recursion does't stop at array end */ 713 struct flock result[5]; 714 715 /* Add 5th process */ 716 int fd[5]; 717 pid_t pid[5]; 718 struct lwp *lwp[5]; 719 720 unsigned int i, j; 721 const off_t sz = 8192; 722 int omode = 0755; 723 int oflags = O_RDWR | O_CREAT; 724 725 memcpy(expect, lock, sizeof(lock)); 726 727 FSTEST_ENTER(); 728 729 /* 730 * First, we create 4 processes and let each lock a range of the 731 * file. Note that the third and fourth processes lock in 732 * "reverse" order, i.e. the greater pid locks a range before 733 * the lesser pid. 734 * Then, we create 5th process which doesn't lock anything. 735 */ 736 for (i = 0; i < __arraycount(lwp); i++) { 737 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 738 739 lwp[i] = rump_pub_lwproc_curlwp(); 740 pid[i] = rump_sys_getpid(); 741 742 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 743 oflags = O_RDWR; 744 omode = 0; 745 746 RL(rump_sys_ftruncate(fd[i], sz)); 747 748 if (FSTYPE_ZFS(tc)) 749 atf_tc_expect_fail("PR kern/47656: Test known to be " 750 "broken"); 751 if (i < __arraycount(lock)) { 752 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 753 expect[i].l_pid = pid[i]; 754 } 755 } 756 757 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 758 759 /* 760 * In the context of each process, recursively find all locks 761 * that would block the current process. Processes 1-4 don't 762 * see their own lock, we insert it to simplify checks. 763 * Process 5 sees all 4 locks. 764 */ 765 for (i = 0; i < __arraycount(lwp); i++) { 766 unsigned int nlocks; 767 768 rump_pub_lwproc_switch(lwp[i]); 769 770 memset(result, 0, sizeof(result)); 771 nlocks = fcntl_getlocks(fd[i], 0, sz, 772 result, result + __arraycount(result)); 773 774 if (i < __arraycount(lock)) { 775 ATF_REQUIRE(nlocks < __arraycount(result)); 776 result[nlocks] = lock[i]; 777 result[nlocks].l_pid = pid[i]; 778 nlocks++; 779 } 780 781 ATF_CHECK_EQ(nlocks, __arraycount(expect)); 782 783 qsort(result, nlocks, sizeof(result[0]), &flock_compare); 784 785 for (j = 0; j < nlocks; j++) { 786 ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); 787 ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); 788 ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); 789 ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); 790 ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); 791 } 792 } 793 794 /* 795 * Release processes. This also releases the fds and locks 796 * making fs unmount possible 797 */ 798 for (i = 0; i < __arraycount(lwp); i++) { 799 rump_pub_lwproc_switch(lwp[i]); 800 rump_pub_lwproc_releaselwp(); 801 } 802 803 FSTEST_EXIT(); 804 } 805 806 static void 807 access_simple(const atf_tc_t *tc, const char *mp) 808 { 809 int fd; 810 int tmode; 811 812 FSTEST_ENTER(); 813 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 814 RL(rump_sys_close(fd)); 815 816 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 817 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 818 tmode = F_OK; 819 else 820 tmode = ALLACC; 821 822 RL(rump_sys_access("tfile", tmode)); 823 824 /* PR kern/44648 */ 825 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 826 #undef ALLACC 827 FSTEST_EXIT(); 828 } 829 830 static void 831 read_directory(const atf_tc_t *tc, const char *mp) 832 { 833 char buf[1024]; 834 int fd, res; 835 ssize_t size; 836 837 FSTEST_ENTER(); 838 fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); 839 ATF_REQUIRE(fd != -1); 840 841 size = rump_sys_pread(fd, buf, sizeof(buf), 0); 842 ATF_CHECK(size != -1 || errno == EISDIR); 843 size = rump_sys_read(fd, buf, sizeof(buf)); 844 ATF_CHECK(size != -1 || errno == EISDIR); 845 846 res = rump_sys_close(fd); 847 ATF_REQUIRE(res != -1); 848 FSTEST_EXIT(); 849 } 850 851 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 852 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 853 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 854 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 855 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); 856 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " 857 "(PR kern/44288)"); 858 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); 859 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 860 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 861 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 862 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 863 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 864 ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); 865 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 866 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 867 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 868 ATF_TC_FSAPPLY(access_simple, "access(2)"); 869 ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); 870 871 ATF_TP_ADD_TCS(tp) 872 { 873 874 ATF_TP_FSAPPLY(lookup_simple); 875 ATF_TP_FSAPPLY(lookup_complex); 876 ATF_TP_FSAPPLY(dir_simple); 877 ATF_TP_FSAPPLY(dir_notempty); 878 ATF_TP_FSAPPLY(dir_rmdirdotdot); 879 ATF_TP_FSAPPLY(rename_dir); 880 ATF_TP_FSAPPLY(rename_dotdot); 881 ATF_TP_FSAPPLY(rename_reg_nodir); 882 ATF_TP_FSAPPLY(create_nametoolong); 883 ATF_TP_FSAPPLY(create_exist); 884 ATF_TP_FSAPPLY(rename_nametoolong); 885 ATF_TP_FSAPPLY(symlink_zerolen); 886 ATF_TP_FSAPPLY(symlink_root); 887 ATF_TP_FSAPPLY(attrs); 888 ATF_TP_FSAPPLY(fcntl_lock); 889 ATF_TP_FSAPPLY(fcntl_getlock_pids); 890 ATF_TP_FSAPPLY(access_simple); 891 ATF_TP_FSAPPLY(read_directory); 892 893 return atf_no_error(); 894 } 895
Indexes created Mon Sep 29 21:09:56 GMT 2025