t_vnops.c revision 1.22
1 /* $NetBSD: t_vnops.c,v 1.22 2011/03/19 20:05:21 hannken 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)) atf_tc_skip("dirs not supported by file system") 50 51 #define USES_SYMLINKS \ 52 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) \ 53 atf_tc_skip("symlinks not supported by file system") 54 55 static char * 56 md(char *buf, const char *base, const char *tail) 57 { 58 59 sprintf(buf, "%s/%s", base, tail); 60 return buf; 61 } 62 63 static void 64 lookup_simple(const atf_tc_t *tc, const char *mountpath) 65 { 66 char pb[MAXPATHLEN], final[MAXPATHLEN]; 67 struct stat sb1, sb2; 68 69 strcpy(final, mountpath); 70 sprintf(pb, "%s/../%s", mountpath, basename(final)); 71 if (rump_sys_stat(pb, &sb1) == -1) 72 atf_tc_fail_errno("stat 1"); 73 74 sprintf(pb, "%s/./../%s", mountpath, basename(final)); 75 if (rump_sys_stat(pb, &sb2) == -1) 76 atf_tc_fail_errno("stat 2"); 77 78 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 79 } 80 81 static void 82 lookup_complex(const atf_tc_t *tc, const char *mountpath) 83 { 84 char pb[MAXPATHLEN]; 85 struct stat sb1, sb2; 86 87 USES_DIRS; 88 89 sprintf(pb, "%s/dir", mountpath); 90 if (rump_sys_mkdir(pb, 0777) == -1) 91 atf_tc_fail_errno("mkdir"); 92 if (rump_sys_stat(pb, &sb1) == -1) 93 atf_tc_fail_errno("stat 1"); 94 95 sprintf(pb, "%s/./dir/../././dir/.", mountpath); 96 if (rump_sys_stat(pb, &sb2) == -1) 97 atf_tc_fail_errno("stat 2"); 98 99 ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); 100 } 101 102 static void 103 dir_simple(const atf_tc_t *tc, const char *mountpath) 104 { 105 char pb[MAXPATHLEN]; 106 struct stat sb; 107 108 USES_DIRS; 109 110 /* check we can create directories */ 111 sprintf(pb, "%s/dir", mountpath); 112 if (rump_sys_mkdir(pb, 0777) == -1) 113 atf_tc_fail_errno("mkdir"); 114 if (rump_sys_stat(pb, &sb) == -1) 115 atf_tc_fail_errno("stat new directory"); 116 117 /* check we can remove then and that it makes them unreachable */ 118 if (rump_sys_rmdir(pb) == -1) 119 atf_tc_fail_errno("rmdir"); 120 if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) 121 atf_tc_fail("ENOENT expected from stat"); 122 } 123 124 static void 125 dir_notempty(const atf_tc_t *tc, const char *mountpath) 126 { 127 char pb[MAXPATHLEN], pb2[MAXPATHLEN]; 128 int fd, rv; 129 130 USES_DIRS; 131 132 /* check we can create directories */ 133 sprintf(pb, "%s/dir", mountpath); 134 if (rump_sys_mkdir(pb, 0777) == -1) 135 atf_tc_fail_errno("mkdir"); 136 137 sprintf(pb2, "%s/dir/file", mountpath); 138 fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); 139 if (fd == -1) 140 atf_tc_fail_errno("create file"); 141 rump_sys_close(fd); 142 143 rv = rump_sys_rmdir(pb); 144 if (rv != -1 || errno != ENOTEMPTY) 145 atf_tc_fail("non-empty directory removed succesfully"); 146 147 if (rump_sys_unlink(pb2) == -1) 148 atf_tc_fail_errno("cannot remove dir/file"); 149 150 if (rump_sys_rmdir(pb) == -1) 151 atf_tc_fail_errno("remove directory"); 152 } 153 154 static void 155 dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) 156 { 157 char pb[MAXPATHLEN]; 158 int xerrno; 159 160 USES_DIRS; 161 162 FSTEST_ENTER(); 163 RL(rump_sys_mkdir("test", 0777)); 164 RL(rump_sys_chdir("test")); 165 166 RL(rump_sys_mkdir("subtest", 0777)); 167 RL(rump_sys_chdir("subtest")); 168 169 md(pb, mp, "test/subtest"); 170 RL(rump_sys_rmdir(pb)); 171 md(pb, mp, "test"); 172 RL(rump_sys_rmdir(pb)); 173 174 if (FSTYPE_NFS(tc)) 175 xerrno = ESTALE; 176 else 177 xerrno = ENOENT; 178 if (FSTYPE_TMPFS(tc)) 179 atf_tc_expect_signal(-1, "PR kern/44657"); 180 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 181 FSTEST_EXIT(); 182 } 183 184 static void 185 checkfile(const char *path, struct stat *refp) 186 { 187 char buf[MAXPATHLEN]; 188 struct stat sb; 189 static int n = 1; 190 191 md(buf, path, "file"); 192 if (rump_sys_stat(buf, &sb) == -1) 193 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 194 if (memcmp(&sb, refp, sizeof(sb)) != 0) 195 atf_tc_fail("stat mismatch %d", n); 196 n++; 197 } 198 199 static void 200 rename_dir(const atf_tc_t *tc, const char *mp) 201 { 202 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 203 struct stat ref, sb; 204 205 if (FSTYPE_RUMPFS(tc)) 206 atf_tc_skip("rename not supported by fs"); 207 208 USES_DIRS; 209 210 md(pb1, mp, "dir1"); 211 if (rump_sys_mkdir(pb1, 0777) == -1) 212 atf_tc_fail_errno("mkdir 1"); 213 214 md(pb2, mp, "dir2"); 215 if (rump_sys_mkdir(pb2, 0777) == -1) 216 atf_tc_fail_errno("mkdir 2"); 217 md(pb2, mp, "dir2/subdir"); 218 if (rump_sys_mkdir(pb2, 0777) == -1) 219 atf_tc_fail_errno("mkdir 3"); 220 221 md(pb3, mp, "dir1/file"); 222 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 223 atf_tc_fail_errno("create file"); 224 if (rump_sys_stat(pb3, &ref) == -1) 225 atf_tc_fail_errno("stat of file"); 226 227 /* 228 * First try ops which should succeed. 229 */ 230 231 /* rename within directory */ 232 md(pb3, mp, "dir3"); 233 if (rump_sys_rename(pb1, pb3) == -1) 234 atf_tc_fail_errno("rename 1"); 235 checkfile(pb3, &ref); 236 237 /* rename directory onto itself (two ways, should fail) */ 238 md(pb1, mp, "dir3/."); 239 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 240 atf_tc_fail_errno("rename 2"); 241 if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 242 atf_tc_fail_errno("rename 3"); 243 244 checkfile(pb3, &ref); 245 246 /* rename father of directory into directory */ 247 md(pb1, mp, "dir2/dir"); 248 md(pb2, mp, "dir2"); 249 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 250 atf_tc_fail_errno("rename 4"); 251 252 /* same for grandfather */ 253 md(pb1, mp, "dir2/subdir/dir2"); 254 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 255 atf_tc_fail("rename 5"); 256 257 checkfile(pb3, &ref); 258 259 /* rename directory over a non-empty directory */ 260 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 261 atf_tc_fail("rename 6"); 262 263 /* cross-directory rename */ 264 md(pb1, mp, "dir3"); 265 md(pb2, mp, "dir2/somedir"); 266 if (rump_sys_rename(pb1, pb2) == -1) 267 atf_tc_fail_errno("rename 7"); 268 checkfile(pb2, &ref); 269 270 /* move to parent directory */ 271 md(pb1, mp, "dir2/somedir/../../dir3"); 272 if (rump_sys_rename(pb2, pb1) == -1) 273 atf_tc_fail_errno("rename 8"); 274 md(pb1, mp, "dir2/../dir3"); 275 checkfile(pb1, &ref); 276 277 /* atomic cross-directory rename */ 278 md(pb3, mp, "dir2/subdir"); 279 if (rump_sys_rename(pb1, pb3) == -1) 280 atf_tc_fail_errno("rename 9"); 281 checkfile(pb3, &ref); 282 283 /* rename directory over an empty directory */ 284 md(pb1, mp, "parent"); 285 md(pb2, mp, "parent/dir1"); 286 md(pb3, mp, "parent/dir2"); 287 RL(rump_sys_mkdir(pb1, 0777)); 288 RL(rump_sys_mkdir(pb2, 0777)); 289 RL(rump_sys_mkdir(pb3, 0777)); 290 RL(rump_sys_rename(pb2, pb3)); 291 292 RL(rump_sys_stat(pb1, &sb)); 293 if (! FSTYPE_MSDOS(tc)) 294 ATF_CHECK_EQ(sb.st_nlink, 3); 295 RL(rump_sys_rmdir(pb3)); 296 if (FSTYPE_TMPFS(tc)) 297 atf_tc_expect_signal(-1, "PR kern/44288"); 298 RL(rump_sys_rmdir(pb1)); 299 } 300 301 static void 302 rename_dotdot(const atf_tc_t *tc, const char *mp) 303 { 304 305 if (FSTYPE_RUMPFS(tc)) 306 atf_tc_skip("rename not supported by fs"); 307 308 USES_DIRS; 309 310 if (rump_sys_chdir(mp) == -1) 311 atf_tc_fail_errno("chdir mountpoint"); 312 313 if (rump_sys_mkdir("dir1", 0777) == -1) 314 atf_tc_fail_errno("mkdir 1"); 315 if (rump_sys_mkdir("dir2", 0777) == -1) 316 atf_tc_fail_errno("mkdir 2"); 317 318 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 319 atf_tc_fail_errno("self-dotdot to"); 320 321 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 322 atf_tc_fail_errno("self-dotdot from"); 323 atf_tc_expect_pass(); 324 325 if (FSTYPE_TMPFS(tc)) { 326 atf_tc_expect_fail("PR kern/43617"); 327 } 328 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 329 atf_tc_fail("other-dotdot"); 330 331 rump_sys_chdir("/"); 332 } 333 334 static void 335 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 336 { 337 bool haslinks; 338 struct stat sb; 339 ino_t f1ino, f2ino; 340 341 if (FSTYPE_RUMPFS(tc)) 342 atf_tc_skip("rename not supported by fs"); 343 344 if (rump_sys_chdir(mp) == -1) 345 atf_tc_fail_errno("chdir mountpoint"); 346 347 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 348 haslinks = false; 349 else 350 haslinks = true; 351 352 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 353 atf_tc_fail_errno("create file"); 354 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 355 atf_tc_fail_errno("create file"); 356 357 if (rump_sys_stat("file1", &sb) == -1) 358 atf_tc_fail_errno("stat"); 359 f1ino = sb.st_ino; 360 361 if (haslinks) { 362 if (rump_sys_link("file1", "file_link") == -1) 363 atf_tc_fail_errno("link"); 364 if (rump_sys_stat("file_link", &sb) == -1) 365 atf_tc_fail_errno("stat"); 366 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 367 ATF_REQUIRE_EQ(sb.st_nlink, 2); 368 } 369 370 if (rump_sys_stat("file2", &sb) == -1) 371 atf_tc_fail_errno("stat"); 372 f2ino = sb.st_ino; 373 374 if (rump_sys_rename("file1", "file3") == -1) 375 atf_tc_fail_errno("rename 1"); 376 if (rump_sys_stat("file3", &sb) == -1) 377 atf_tc_fail_errno("stat 1"); 378 if (haslinks) { 379 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 380 } 381 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 382 atf_tc_fail_errno("source 1"); 383 384 if (rump_sys_rename("file3", "file2") == -1) 385 atf_tc_fail_errno("rename 2"); 386 if (rump_sys_stat("file2", &sb) == -1) 387 atf_tc_fail_errno("stat 2"); 388 if (haslinks) { 389 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 390 } 391 392 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 393 atf_tc_fail_errno("source 2"); 394 395 if (haslinks) { 396 if (rump_sys_rename("file2", "file_link") == -1) 397 atf_tc_fail_errno("rename hardlink"); 398 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 399 atf_tc_fail_errno("source 3"); 400 if (rump_sys_stat("file_link", &sb) == -1) 401 atf_tc_fail_errno("stat 2"); 402 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 403 ATF_REQUIRE_EQ(sb.st_nlink, 1); 404 } 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 if (FSTYPE_MSDOS(tc)) 437 atf_tc_expect_fail("PR kern/43670"); 438 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 439 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 440 atf_tc_fail_errno("open"); 441 442 if (val == 0 && rump_sys_close(fd) == -1) 443 atf_tc_fail_errno("close"); 444 if (val == 0 && rump_sys_unlink(name) == -1) 445 atf_tc_fail_errno("unlink"); 446 447 free(name); 448 449 rump_sys_chdir("/"); 450 } 451 452 static void 453 create_exist(const atf_tc_t *tc, const char *mp) 454 { 455 const char *name = "hoge"; 456 int fd; 457 458 RL(rump_sys_chdir(mp)); 459 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 460 RL(rump_sys_close(fd)); 461 RL(rump_sys_unlink(name)); 462 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 463 RL(rump_sys_close(fd)); 464 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 465 RL(rump_sys_close(fd)); 466 ATF_REQUIRE_ERRNO(EEXIST, 467 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 468 RL(rump_sys_unlink(name)); 469 RL(rump_sys_chdir("/")); 470 } 471 472 static void 473 rename_nametoolong(const atf_tc_t *tc, const char *mp) 474 { 475 char *name; 476 int res, fd; 477 long val; 478 size_t len; 479 480 if (FSTYPE_RUMPFS(tc)) 481 atf_tc_skip("rename not supported by fs"); 482 483 if (rump_sys_chdir(mp) == -1) 484 atf_tc_fail_errno("chdir mountpoint"); 485 486 val = rump_sys_pathconf(".", _PC_NAME_MAX); 487 if (val == -1) 488 atf_tc_fail_errno("pathconf"); 489 490 len = val + 1; 491 name = malloc(len+1); 492 if (name == NULL) 493 atf_tc_fail_errno("malloc"); 494 495 memset(name, 'a', len); 496 *(name+len) = '\0'; 497 498 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 499 if (fd == -1) 500 atf_tc_fail_errno("open"); 501 if (rump_sys_close(fd) == -1) 502 atf_tc_fail_errno("close"); 503 504 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 505 if (val == -1) 506 atf_tc_fail_errno("pathconf"); 507 508 if (FSTYPE_MSDOS(tc)) 509 atf_tc_expect_fail("PR kern/43670"); 510 res = rump_sys_rename("dummy", name); 511 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 512 atf_tc_fail_errno("rename"); 513 514 if (val == 0 && rump_sys_unlink(name) == -1) 515 atf_tc_fail_errno("unlink"); 516 517 free(name); 518 519 rump_sys_chdir("/"); 520 } 521 522 static void 523 symlink_zerolen(const atf_tc_t *tc, const char *mp) 524 { 525 526 USES_SYMLINKS; 527 528 RL(rump_sys_chdir(mp)); 529 530 if (FSTYPE_TMPFS(tc)) { 531 atf_tc_expect_signal(SIGABRT, "PR kern/43843"); 532 } 533 534 RL(rump_sys_symlink("", "afile")); 535 RL(rump_sys_chdir("/")); 536 } 537 538 static void 539 attrs(const atf_tc_t *tc, const char *mp) 540 { 541 struct stat sb, sb2; 542 struct timeval tv[2]; 543 int fd; 544 545 FSTEST_ENTER(); 546 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 547 RL(rump_sys_close(fd)); 548 RL(rump_sys_stat(TESTFILE, &sb)); 549 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 550 RL(rump_sys_chown(TESTFILE, 1, 2)); 551 sb.st_uid = 1; 552 sb.st_gid = 2; 553 RL(rump_sys_chmod(TESTFILE, 0123)); 554 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 555 } 556 557 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 558 tv[0].tv_usec = 1; 559 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 560 tv[1].tv_usec = 3; 561 RL(rump_sys_utimes(TESTFILE, tv)); 562 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 563 sb.st_atimespec.tv_sec = 1000000000; 564 sb.st_atimespec.tv_nsec = 1000; 565 sb.st_mtimespec.tv_sec = 1000000002; 566 sb.st_mtimespec.tv_nsec = 3000; 567 568 RL(rump_sys_stat(TESTFILE, &sb2)); 569 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 570 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 571 CHECK(st_uid); 572 CHECK(st_gid); 573 CHECK(st_mode); 574 } 575 if (!FSTYPE_MSDOS(tc)) { 576 /* msdosfs has only access date, not time */ 577 CHECK(st_atimespec.tv_sec); 578 } 579 CHECK(st_mtimespec.tv_sec); 580 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 581 CHECK(st_atimespec.tv_nsec); 582 CHECK(st_mtimespec.tv_nsec); 583 } 584 #undef CHECK 585 586 FSTEST_EXIT(); 587 } 588 589 static void 590 fcntl_lock(const atf_tc_t *tc, const char *mp) 591 { 592 int fd, fd2; 593 struct flock l; 594 struct lwp *lwp1, *lwp2; 595 596 FSTEST_ENTER(); 597 l.l_pid = 0; 598 l.l_start = l.l_len = 1024; 599 l.l_type = F_RDLCK | F_WRLCK; 600 l.l_whence = SEEK_END; 601 602 lwp1 = rump_pub_lwproc_curlwp(); 603 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 604 RL(rump_sys_ftruncate(fd, 8192)); 605 606 /* PR kern/43321 */ 607 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 608 609 /* Next, we fork and try to lock the same area */ 610 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 611 lwp2 = rump_pub_lwproc_curlwp(); 612 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 613 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 614 615 /* Switch back and unlock... */ 616 rump_pub_lwproc_switch(lwp1); 617 l.l_type = F_UNLCK; 618 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 619 620 /* ... and try to lock again */ 621 rump_pub_lwproc_switch(lwp2); 622 l.l_type = F_RDLCK | F_WRLCK; 623 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 624 625 RL(rump_sys_close(fd2)); 626 rump_pub_lwproc_releaselwp(); 627 628 RL(rump_sys_close(fd)); 629 630 FSTEST_EXIT(); 631 } 632 633 static int 634 flock_compare(const void *p, const void *q) 635 { 636 int a = ((const struct flock *)p)->l_start; 637 int b = ((const struct flock *)q)->l_start; 638 return a < b ? -1 : (a > b ? 1 : 0); 639 } 640 641 static void 642 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 643 { 644 /* test non-overlaping ranges */ 645 struct flock expect[4]; 646 const struct flock lock[4] = { 647 { 0, 2, 0, F_WRLCK, SEEK_SET }, 648 { 2, 1, 0, F_WRLCK, SEEK_SET }, 649 { 7, 5, 0, F_WRLCK, SEEK_SET }, 650 { 4, 3, 0, F_WRLCK, SEEK_SET }, 651 }; 652 653 int fd[4]; 654 struct lwp *lwp[4]; 655 pid_t prevpid = 0; 656 657 unsigned int i, j; 658 const off_t sz = 8192; 659 int omode = 0755; 660 int oflags = O_RDWR | O_CREAT; 661 662 memcpy(expect, lock, sizeof(lock)); 663 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 664 665 FSTEST_ENTER(); 666 667 /* 668 * First, we create 4 processes and let each lock a range of the 669 * file. Note that the third and fourth processes lock in 670 * "reverse" order, i.e. the greater pid locks a range before 671 * the lesser pid. 672 */ 673 for(i = 0; i < __arraycount(lwp); i++) { 674 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 675 676 lwp[i] = rump_pub_lwproc_curlwp(); 677 assert(rump_sys_getpid() > prevpid); 678 prevpid = rump_sys_getpid(); 679 680 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 681 oflags = O_RDWR; 682 omode = 0; 683 684 RL(rump_sys_ftruncate(fd[i], sz)); 685 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 686 } 687 688 atf_tc_expect_fail("PR kern/44494"); 689 /* 690 * In the context of each pid , do GETLK for a readlock from 691 * i = [0,__arraycount(locks)]. If we try to lock from the same 692 * start offset as the lock our current process holds, check 693 * that we fail on the offset of the next lock ("else if" branch). 694 * Otherwise, expect to get a lock for the current offset 695 * ("if" branch). The "else" branch is purely for the last 696 * process where we expect no blocking locks. 697 */ 698 for(i = 0; i < __arraycount(lwp); i++) { 699 rump_pub_lwproc_switch(lwp[i]); 700 701 for(j = 0; j < __arraycount(lwp); j++) { 702 struct flock l; 703 l = expect[j]; 704 l.l_len = sz; 705 l.l_type = F_RDLCK; 706 707 RL(rump_sys_fcntl(fd[i], F_GETLK, &l)); 708 709 if(expect[j].l_start != lock[i].l_start) { 710 /* 711 * lock set by another process 712 */ 713 ATF_CHECK(l.l_type != F_UNLCK); 714 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 715 ATF_CHECK_EQ(l.l_len, expect[j].l_len); 716 } else if (j != __arraycount(lwp) - 1) { 717 /* 718 * lock set by the current process 719 */ 720 ATF_CHECK(l.l_type != F_UNLCK); 721 ATF_CHECK_EQ(l.l_start, expect[j+1].l_start); 722 ATF_CHECK_EQ(l.l_len, expect[j+1].l_len); 723 } else { 724 /* 725 * there are no other locks after the 726 * current process lock 727 */ 728 ATF_CHECK_EQ(l.l_type, F_UNLCK); 729 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 730 ATF_CHECK_EQ(l.l_len, sz); 731 ATF_CHECK_EQ(l.l_pid, expect[j].l_pid); 732 ATF_CHECK_EQ(l.l_whence, expect[j].l_whence); 733 } 734 } 735 } 736 737 /* 738 * Release processes. This also releases the fds and locks 739 * making fs unmount possible 740 */ 741 for(i = 0; i < __arraycount(lwp); i++) { 742 rump_pub_lwproc_switch(lwp[i]); 743 rump_pub_lwproc_releaselwp(); 744 } 745 746 FSTEST_EXIT(); 747 } 748 749 static void 750 access_simple(const atf_tc_t *tc, const char *mp) 751 { 752 int fd; 753 int tmode; 754 755 FSTEST_ENTER(); 756 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 757 RL(rump_sys_close(fd)); 758 759 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 760 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 761 tmode = F_OK; 762 else 763 tmode = ALLACC; 764 765 RL(rump_sys_access("tfile", tmode)); 766 767 /* PR kern/44648 */ 768 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 769 #undef ALLACC 770 FSTEST_EXIT(); 771 } 772 773 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 774 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 775 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 776 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 777 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out"); 778 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops"); 779 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .."); 780 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 781 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 782 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 783 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 784 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 785 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 786 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 787 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 788 ATF_TC_FSAPPLY(access_simple, "access(2)"); 789 790 ATF_TP_ADD_TCS(tp) 791 { 792 793 ATF_TP_FSAPPLY(lookup_simple); 794 ATF_TP_FSAPPLY(lookup_complex); 795 ATF_TP_FSAPPLY(dir_simple); 796 ATF_TP_FSAPPLY(dir_notempty); 797 ATF_TP_FSAPPLY(dir_rmdirdotdot); 798 ATF_TP_FSAPPLY(rename_dir); 799 ATF_TP_FSAPPLY(rename_dotdot); 800 ATF_TP_FSAPPLY(rename_reg_nodir); 801 ATF_TP_FSAPPLY(create_nametoolong); 802 ATF_TP_FSAPPLY(create_exist); 803 ATF_TP_FSAPPLY(rename_nametoolong); 804 ATF_TP_FSAPPLY(symlink_zerolen); 805 ATF_TP_FSAPPLY(attrs); 806 ATF_TP_FSAPPLY(fcntl_lock); 807 ATF_TP_FSAPPLY(fcntl_getlock_pids); 808 ATF_TP_FSAPPLY(access_simple); 809 810 return atf_no_error(); 811 } 812
Indexes created Mon Sep 29 21:09:56 GMT 2025