t_vnops.c revision 1.19
1 /* $NetBSD: t_vnops.c,v 1.19 2011/03/01 15:33:35 pooka 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_MSDOS(tc)) 206 //atf_tc_skip("test fails in some setups, reason unknown"); 207 208 if (FSTYPE_RUMPFS(tc)) 209 atf_tc_skip("rename not supported by fs"); 210 211 USES_DIRS; 212 213 md(pb1, mp, "dir1"); 214 if (rump_sys_mkdir(pb1, 0777) == -1) 215 atf_tc_fail_errno("mkdir 1"); 216 217 md(pb2, mp, "dir2"); 218 if (rump_sys_mkdir(pb2, 0777) == -1) 219 atf_tc_fail_errno("mkdir 2"); 220 md(pb2, mp, "dir2/subdir"); 221 if (rump_sys_mkdir(pb2, 0777) == -1) 222 atf_tc_fail_errno("mkdir 3"); 223 224 md(pb3, mp, "dir1/file"); 225 if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) 226 atf_tc_fail_errno("create file"); 227 if (rump_sys_stat(pb3, &ref) == -1) 228 atf_tc_fail_errno("stat of file"); 229 230 /* 231 * First try ops which should succeed. 232 */ 233 234 /* rename within directory */ 235 md(pb3, mp, "dir3"); 236 if (rump_sys_rename(pb1, pb3) == -1) 237 atf_tc_fail_errno("rename 1"); 238 checkfile(pb3, &ref); 239 240 /* rename directory onto itself (two ways, should fail) */ 241 md(pb1, mp, "dir3/."); 242 if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) 243 atf_tc_fail_errno("rename 2"); 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 ATF_CHECK_EQ(sb.st_nlink, 3); 297 RL(rump_sys_rmdir(pb3)); 298 if (FSTYPE_TMPFS(tc)) 299 atf_tc_expect_signal(-1, "PR kern/44288"); 300 RL(rump_sys_rmdir(pb1)); 301 } 302 303 static void 304 rename_dotdot(const atf_tc_t *tc, const char *mp) 305 { 306 307 if (FSTYPE_RUMPFS(tc)) 308 atf_tc_skip("rename not supported by fs"); 309 310 USES_DIRS; 311 312 if (rump_sys_chdir(mp) == -1) 313 atf_tc_fail_errno("chdir mountpoint"); 314 315 if (rump_sys_mkdir("dir1", 0777) == -1) 316 atf_tc_fail_errno("mkdir 1"); 317 if (rump_sys_mkdir("dir2", 0777) == -1) 318 atf_tc_fail_errno("mkdir 2"); 319 320 if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) 321 atf_tc_fail_errno("self-dotdot to"); 322 323 if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) 324 atf_tc_fail_errno("self-dotdot from"); 325 atf_tc_expect_pass(); 326 327 if (FSTYPE_TMPFS(tc)) { 328 atf_tc_expect_fail("PR kern/43617"); 329 } 330 if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) 331 atf_tc_fail("other-dotdot"); 332 333 rump_sys_chdir("/"); 334 } 335 336 static void 337 rename_reg_nodir(const atf_tc_t *tc, const char *mp) 338 { 339 bool haslinks; 340 struct stat sb; 341 ino_t f1ino, f2ino; 342 343 if (FSTYPE_RUMPFS(tc)) 344 atf_tc_skip("rename not supported by fs"); 345 346 if (FSTYPE_MSDOS(tc)) 347 atf_tc_skip("test fails in some setups, reason unknown"); 348 349 if (rump_sys_chdir(mp) == -1) 350 atf_tc_fail_errno("chdir mountpoint"); 351 352 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 353 haslinks = false; 354 else 355 haslinks = true; 356 357 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 358 atf_tc_fail_errno("create file"); 359 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 360 atf_tc_fail_errno("create file"); 361 362 if (rump_sys_stat("file1", &sb) == -1) 363 atf_tc_fail_errno("stat"); 364 f1ino = sb.st_ino; 365 366 if (haslinks) { 367 if (rump_sys_link("file1", "file_link") == -1) 368 atf_tc_fail_errno("link"); 369 if (rump_sys_stat("file_link", &sb) == -1) 370 atf_tc_fail_errno("stat"); 371 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 372 ATF_REQUIRE_EQ(sb.st_nlink, 2); 373 } 374 375 if (rump_sys_stat("file2", &sb) == -1) 376 atf_tc_fail_errno("stat"); 377 f2ino = sb.st_ino; 378 379 if (rump_sys_rename("file1", "file3") == -1) 380 atf_tc_fail_errno("rename 1"); 381 if (rump_sys_stat("file3", &sb) == -1) 382 atf_tc_fail_errno("stat 1"); 383 if (haslinks) { 384 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 385 } 386 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 387 atf_tc_fail_errno("source 1"); 388 389 if (rump_sys_rename("file3", "file2") == -1) 390 atf_tc_fail_errno("rename 2"); 391 if (rump_sys_stat("file2", &sb) == -1) 392 atf_tc_fail_errno("stat 2"); 393 if (haslinks) { 394 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 395 } 396 397 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 398 atf_tc_fail_errno("source 2"); 399 400 if (haslinks) { 401 if (rump_sys_rename("file2", "file_link") == -1) 402 atf_tc_fail_errno("rename hardlink"); 403 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 404 atf_tc_fail_errno("source 3"); 405 if (rump_sys_stat("file_link", &sb) == -1) 406 atf_tc_fail_errno("stat 2"); 407 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 408 ATF_REQUIRE_EQ(sb.st_nlink, 1); 409 } 410 411 rump_sys_chdir("/"); 412 } 413 414 static void 415 create_nametoolong(const atf_tc_t *tc, const char *mp) 416 { 417 char *name; 418 int fd; 419 long val; 420 size_t len; 421 422 if (rump_sys_chdir(mp) == -1) 423 atf_tc_fail_errno("chdir mountpoint"); 424 425 val = rump_sys_pathconf(".", _PC_NAME_MAX); 426 if (val == -1) 427 atf_tc_fail_errno("pathconf"); 428 429 len = val + 1; 430 name = malloc(len+1); 431 if (name == NULL) 432 atf_tc_fail_errno("malloc"); 433 434 memset(name, 'a', len); 435 *(name+len) = '\0'; 436 437 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 438 if (val == -1) 439 atf_tc_fail_errno("pathconf"); 440 441 if (FSTYPE_MSDOS(tc)) 442 atf_tc_expect_fail("PR kern/43670"); 443 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 444 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 445 atf_tc_fail_errno("open"); 446 447 if (val == 0 && rump_sys_close(fd) == -1) 448 atf_tc_fail_errno("close"); 449 if (val == 0 && rump_sys_unlink(name) == -1) 450 atf_tc_fail_errno("unlink"); 451 452 free(name); 453 454 rump_sys_chdir("/"); 455 } 456 457 static void 458 create_exist(const atf_tc_t *tc, const char *mp) 459 { 460 const char *name = "hoge"; 461 int fd; 462 463 RL(rump_sys_chdir(mp)); 464 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 465 RL(rump_sys_close(fd)); 466 RL(rump_sys_unlink(name)); 467 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 468 RL(rump_sys_close(fd)); 469 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 470 RL(rump_sys_close(fd)); 471 ATF_REQUIRE_ERRNO(EEXIST, 472 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 473 RL(rump_sys_unlink(name)); 474 RL(rump_sys_chdir("/")); 475 } 476 477 static void 478 rename_nametoolong(const atf_tc_t *tc, const char *mp) 479 { 480 char *name; 481 int res, fd; 482 long val; 483 size_t len; 484 485 if (FSTYPE_RUMPFS(tc)) 486 atf_tc_skip("rename not supported by fs"); 487 488 if (rump_sys_chdir(mp) == -1) 489 atf_tc_fail_errno("chdir mountpoint"); 490 491 val = rump_sys_pathconf(".", _PC_NAME_MAX); 492 if (val == -1) 493 atf_tc_fail_errno("pathconf"); 494 495 len = val + 1; 496 name = malloc(len+1); 497 if (name == NULL) 498 atf_tc_fail_errno("malloc"); 499 500 memset(name, 'a', len); 501 *(name+len) = '\0'; 502 503 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 504 if (fd == -1) 505 atf_tc_fail_errno("open"); 506 if (rump_sys_close(fd) == -1) 507 atf_tc_fail_errno("close"); 508 509 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 510 if (val == -1) 511 atf_tc_fail_errno("pathconf"); 512 513 if (FSTYPE_MSDOS(tc)) 514 atf_tc_expect_fail("PR kern/43670"); 515 res = rump_sys_rename("dummy", name); 516 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 517 atf_tc_fail_errno("rename"); 518 519 if (val == 0 && rump_sys_unlink(name) == -1) 520 atf_tc_fail_errno("unlink"); 521 522 free(name); 523 524 rump_sys_chdir("/"); 525 } 526 527 static void 528 symlink_zerolen(const atf_tc_t *tc, const char *mp) 529 { 530 531 USES_SYMLINKS; 532 533 RL(rump_sys_chdir(mp)); 534 535 if (FSTYPE_TMPFS(tc)) { 536 atf_tc_expect_signal(SIGABRT, "PR kern/43843"); 537 } 538 539 RL(rump_sys_symlink("", "afile")); 540 RL(rump_sys_chdir("/")); 541 } 542 543 static void 544 attrs(const atf_tc_t *tc, const char *mp) 545 { 546 struct stat sb, sb2; 547 struct timeval tv[2]; 548 int fd; 549 550 FSTEST_ENTER(); 551 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 552 RL(rump_sys_close(fd)); 553 RL(rump_sys_stat(TESTFILE, &sb)); 554 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 555 RL(rump_sys_chown(TESTFILE, 1, 2)); 556 sb.st_uid = 1; 557 sb.st_gid = 2; 558 RL(rump_sys_chmod(TESTFILE, 0123)); 559 sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; 560 } 561 562 tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ 563 tv[0].tv_usec = 1; 564 tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ 565 tv[1].tv_usec = 3; 566 RL(rump_sys_utimes(TESTFILE, tv)); 567 RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ 568 sb.st_atimespec.tv_sec = 1000000000; 569 sb.st_atimespec.tv_nsec = 1000; 570 sb.st_mtimespec.tv_sec = 1000000002; 571 sb.st_mtimespec.tv_nsec = 3000; 572 573 RL(rump_sys_stat(TESTFILE, &sb2)); 574 #define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) 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) || FSTYPE_SYSVBFS(tc))) { 586 CHECK(st_atimespec.tv_nsec); 587 CHECK(st_mtimespec.tv_nsec); 588 } 589 #undef CHECK 590 591 FSTEST_EXIT(); 592 } 593 594 static void 595 fcntl_lock(const atf_tc_t *tc, const char *mp) 596 { 597 int fd, fd2; 598 struct flock l; 599 struct lwp *lwp1, *lwp2; 600 601 FSTEST_ENTER(); 602 l.l_pid = 0; 603 l.l_start = l.l_len = 1024; 604 l.l_type = F_RDLCK | F_WRLCK; 605 l.l_whence = SEEK_END; 606 607 lwp1 = rump_pub_lwproc_curlwp(); 608 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 609 RL(rump_sys_ftruncate(fd, 8192)); 610 611 /* PR kern/43321 */ 612 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 613 614 /* Next, we fork and try to lock the same area */ 615 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 616 lwp2 = rump_pub_lwproc_curlwp(); 617 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 618 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 619 620 /* Switch back and unlock... */ 621 rump_pub_lwproc_switch(lwp1); 622 l.l_type = F_UNLCK; 623 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 624 625 /* ... and try to lock again */ 626 rump_pub_lwproc_switch(lwp2); 627 l.l_type = F_RDLCK | F_WRLCK; 628 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 629 630 RL(rump_sys_close(fd2)); 631 rump_pub_lwproc_releaselwp(); 632 633 RL(rump_sys_close(fd)); 634 635 FSTEST_EXIT(); 636 } 637 638 static int 639 flock_compare(const void *p, const void *q) 640 { 641 int a = ((const struct flock *)p)->l_start; 642 int b = ((const struct flock *)q)->l_start; 643 return a < b ? -1 : (a > b ? 1 : 0); 644 } 645 646 static void 647 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 648 { 649 /* test non-overlaping ranges */ 650 struct flock expect[4]; 651 const struct flock lock[4] = { 652 { 0, 2, 0, F_WRLCK, SEEK_SET }, 653 { 2, 1, 0, F_WRLCK, SEEK_SET }, 654 { 7, 5, 0, F_WRLCK, SEEK_SET }, 655 { 4, 3, 0, F_WRLCK, SEEK_SET }, 656 }; 657 658 int fd[4]; 659 struct lwp *lwp[4]; 660 pid_t prevpid = 0; 661 662 unsigned int i, j; 663 const off_t sz = 8192; 664 int omode = 0755; 665 int oflags = O_RDWR | O_CREAT; 666 667 memcpy(expect, lock, sizeof(lock)); 668 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 669 670 FSTEST_ENTER(); 671 672 /* 673 * First, we create 4 processes and let each lock a range of the 674 * file. Note that the third and fourth processes lock in 675 * "reverse" order, i.e. the greater pid locks a range before 676 * the lesser pid. 677 */ 678 for(i = 0; i < __arraycount(lwp); i++) { 679 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 680 681 lwp[i] = rump_pub_lwproc_curlwp(); 682 assert(rump_sys_getpid() > prevpid); 683 prevpid = rump_sys_getpid(); 684 685 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 686 oflags = O_RDWR; 687 omode = 0; 688 689 RL(rump_sys_ftruncate(fd[i], sz)); 690 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 691 } 692 693 atf_tc_expect_fail("PR kern/44494"); 694 /* 695 * In the context of each pid , do GETLK for a readlock from 696 * i = [0,__arraycount(locks)]. If we try to lock from the same 697 * start offset as the lock our current process holds, check 698 * that we fail on the offset of the next lock ("else if" branch). 699 * Otherwise, expect to get a lock for the current offset 700 * ("if" branch). The "else" branch is purely for the last 701 * process where we expect no blocking locks. 702 */ 703 for(i = 0; i < __arraycount(lwp); i++) { 704 rump_pub_lwproc_switch(lwp[i]); 705 706 for(j = 0; j < __arraycount(lwp); j++) { 707 struct flock l; 708 l = expect[j]; 709 l.l_len = sz; 710 l.l_type = F_RDLCK; 711 712 RL(rump_sys_fcntl(fd[i], F_GETLK, &l)); 713 714 if(expect[j].l_start != lock[i].l_start) { 715 /* 716 * lock set by another process 717 */ 718 ATF_CHECK(l.l_type != F_UNLCK); 719 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 720 ATF_CHECK_EQ(l.l_len, expect[j].l_len); 721 } else if (j != __arraycount(lwp) - 1) { 722 /* 723 * lock set by the current process 724 */ 725 ATF_CHECK(l.l_type != F_UNLCK); 726 ATF_CHECK_EQ(l.l_start, expect[j+1].l_start); 727 ATF_CHECK_EQ(l.l_len, expect[j+1].l_len); 728 } else { 729 /* 730 * there are no other locks after the 731 * current process lock 732 */ 733 ATF_CHECK_EQ(l.l_type, F_UNLCK); 734 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 735 ATF_CHECK_EQ(l.l_len, sz); 736 ATF_CHECK_EQ(l.l_pid, expect[j].l_pid); 737 ATF_CHECK_EQ(l.l_whence, expect[j].l_whence); 738 } 739 } 740 } 741 742 /* 743 * Release processes. This also releases the fds and locks 744 * making fs unmount possible 745 */ 746 for(i = 0; i < __arraycount(lwp); i++) { 747 rump_pub_lwproc_switch(lwp[i]); 748 rump_pub_lwproc_releaselwp(); 749 } 750 751 FSTEST_EXIT(); 752 } 753 754 static void 755 access_simple(const atf_tc_t *tc, const char *mp) 756 { 757 int fd; 758 int tmode; 759 760 FSTEST_ENTER(); 761 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 762 RL(rump_sys_close(fd)); 763 764 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 765 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 766 tmode = F_OK; 767 else 768 tmode = ALLACC; 769 770 RL(rump_sys_access("tfile", tmode)); 771 772 /* PR kern/44648 */ 773 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 774 #undef ALLACC 775 FSTEST_EXIT(); 776 } 777 778 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 779 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 780 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 781 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 782 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out"); 783 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops"); 784 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .."); 785 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 786 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 787 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 788 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 789 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 790 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 791 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 792 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 793 ATF_TC_FSAPPLY(access_simple, "access(2)"); 794 795 ATF_TP_ADD_TCS(tp) 796 { 797 798 ATF_TP_FSAPPLY(lookup_simple); 799 ATF_TP_FSAPPLY(lookup_complex); 800 ATF_TP_FSAPPLY(dir_simple); 801 ATF_TP_FSAPPLY(dir_notempty); 802 ATF_TP_FSAPPLY(dir_rmdirdotdot); 803 ATF_TP_FSAPPLY(rename_dir); 804 ATF_TP_FSAPPLY(rename_dotdot); 805 ATF_TP_FSAPPLY(rename_reg_nodir); 806 ATF_TP_FSAPPLY(create_nametoolong); 807 ATF_TP_FSAPPLY(create_exist); 808 ATF_TP_FSAPPLY(rename_nametoolong); 809 ATF_TP_FSAPPLY(symlink_zerolen); 810 ATF_TP_FSAPPLY(attrs); 811 ATF_TP_FSAPPLY(fcntl_lock); 812 ATF_TP_FSAPPLY(fcntl_getlock_pids); 813 ATF_TP_FSAPPLY(access_simple); 814 815 return atf_no_error(); 816 } 817
Indexes created Tue Sep 30 06:09:59 GMT 2025