t_vnops.c revision 1.18
1 /* $NetBSD: t_vnops.c,v 1.18 2011/03/01 15:04:47 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 ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); 179 FSTEST_EXIT(); 180 } 181 182 static void 183 checkfile(const char *path, struct stat *refp) 184 { 185 char buf[MAXPATHLEN]; 186 struct stat sb; 187 static int n = 1; 188 189 md(buf, path, "file"); 190 if (rump_sys_stat(buf, &sb) == -1) 191 atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); 192 if (memcmp(&sb, refp, sizeof(sb)) != 0) 193 atf_tc_fail("stat mismatch %d", n); 194 n++; 195 } 196 197 static void 198 rename_dir(const atf_tc_t *tc, const char *mp) 199 { 200 char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; 201 struct stat ref, sb; 202 203 //if (FSTYPE_MSDOS(tc)) 204 //atf_tc_skip("test fails in some setups, reason unknown"); 205 206 if (FSTYPE_RUMPFS(tc)) 207 atf_tc_skip("rename not supported by fs"); 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 (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) 243 atf_tc_fail_errno("rename 3"); 244 245 checkfile(pb3, &ref); 246 247 /* rename father of directory into directory */ 248 md(pb1, mp, "dir2/dir"); 249 md(pb2, mp, "dir2"); 250 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 251 atf_tc_fail_errno("rename 4"); 252 253 /* same for grandfather */ 254 md(pb1, mp, "dir2/subdir/dir2"); 255 if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) 256 atf_tc_fail("rename 5"); 257 258 checkfile(pb3, &ref); 259 260 /* rename directory over a non-empty directory */ 261 if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) 262 atf_tc_fail("rename 6"); 263 264 /* cross-directory rename */ 265 md(pb1, mp, "dir3"); 266 md(pb2, mp, "dir2/somedir"); 267 if (rump_sys_rename(pb1, pb2) == -1) 268 atf_tc_fail_errno("rename 7"); 269 checkfile(pb2, &ref); 270 271 /* move to parent directory */ 272 md(pb1, mp, "dir2/somedir/../../dir3"); 273 if (rump_sys_rename(pb2, pb1) == -1) 274 atf_tc_fail_errno("rename 8"); 275 md(pb1, mp, "dir2/../dir3"); 276 checkfile(pb1, &ref); 277 278 /* atomic cross-directory rename */ 279 md(pb3, mp, "dir2/subdir"); 280 if (rump_sys_rename(pb1, pb3) == -1) 281 atf_tc_fail_errno("rename 9"); 282 checkfile(pb3, &ref); 283 284 /* rename directory over an empty directory */ 285 md(pb1, mp, "parent"); 286 md(pb2, mp, "parent/dir1"); 287 md(pb3, mp, "parent/dir2"); 288 RL(rump_sys_mkdir(pb1, 0777)); 289 RL(rump_sys_mkdir(pb2, 0777)); 290 RL(rump_sys_mkdir(pb3, 0777)); 291 RL(rump_sys_rename(pb2, pb3)); 292 293 RL(rump_sys_stat(pb1, &sb)); 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 (FSTYPE_MSDOS(tc)) 345 atf_tc_skip("test fails in some setups, reason unknown"); 346 347 if (rump_sys_chdir(mp) == -1) 348 atf_tc_fail_errno("chdir mountpoint"); 349 350 if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) 351 haslinks = false; 352 else 353 haslinks = true; 354 355 if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) 356 atf_tc_fail_errno("create file"); 357 if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) 358 atf_tc_fail_errno("create file"); 359 360 if (rump_sys_stat("file1", &sb) == -1) 361 atf_tc_fail_errno("stat"); 362 f1ino = sb.st_ino; 363 364 if (haslinks) { 365 if (rump_sys_link("file1", "file_link") == -1) 366 atf_tc_fail_errno("link"); 367 if (rump_sys_stat("file_link", &sb) == -1) 368 atf_tc_fail_errno("stat"); 369 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 370 ATF_REQUIRE_EQ(sb.st_nlink, 2); 371 } 372 373 if (rump_sys_stat("file2", &sb) == -1) 374 atf_tc_fail_errno("stat"); 375 f2ino = sb.st_ino; 376 377 if (rump_sys_rename("file1", "file3") == -1) 378 atf_tc_fail_errno("rename 1"); 379 if (rump_sys_stat("file3", &sb) == -1) 380 atf_tc_fail_errno("stat 1"); 381 if (haslinks) { 382 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 383 } 384 if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) 385 atf_tc_fail_errno("source 1"); 386 387 if (rump_sys_rename("file3", "file2") == -1) 388 atf_tc_fail_errno("rename 2"); 389 if (rump_sys_stat("file2", &sb) == -1) 390 atf_tc_fail_errno("stat 2"); 391 if (haslinks) { 392 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 393 } 394 395 if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) 396 atf_tc_fail_errno("source 2"); 397 398 if (haslinks) { 399 if (rump_sys_rename("file2", "file_link") == -1) 400 atf_tc_fail_errno("rename hardlink"); 401 if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) 402 atf_tc_fail_errno("source 3"); 403 if (rump_sys_stat("file_link", &sb) == -1) 404 atf_tc_fail_errno("stat 2"); 405 ATF_REQUIRE_EQ(sb.st_ino, f1ino); 406 ATF_REQUIRE_EQ(sb.st_nlink, 1); 407 } 408 409 rump_sys_chdir("/"); 410 } 411 412 static void 413 create_nametoolong(const atf_tc_t *tc, const char *mp) 414 { 415 char *name; 416 int fd; 417 long val; 418 size_t len; 419 420 if (rump_sys_chdir(mp) == -1) 421 atf_tc_fail_errno("chdir mountpoint"); 422 423 val = rump_sys_pathconf(".", _PC_NAME_MAX); 424 if (val == -1) 425 atf_tc_fail_errno("pathconf"); 426 427 len = val + 1; 428 name = malloc(len+1); 429 if (name == NULL) 430 atf_tc_fail_errno("malloc"); 431 432 memset(name, 'a', len); 433 *(name+len) = '\0'; 434 435 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 436 if (val == -1) 437 atf_tc_fail_errno("pathconf"); 438 439 if (FSTYPE_MSDOS(tc)) 440 atf_tc_expect_fail("PR kern/43670"); 441 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 442 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 443 atf_tc_fail_errno("open"); 444 445 if (val == 0 && rump_sys_close(fd) == -1) 446 atf_tc_fail_errno("close"); 447 if (val == 0 && rump_sys_unlink(name) == -1) 448 atf_tc_fail_errno("unlink"); 449 450 free(name); 451 452 rump_sys_chdir("/"); 453 } 454 455 static void 456 create_exist(const atf_tc_t *tc, const char *mp) 457 { 458 const char *name = "hoge"; 459 int fd; 460 461 RL(rump_sys_chdir(mp)); 462 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 463 RL(rump_sys_close(fd)); 464 RL(rump_sys_unlink(name)); 465 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 466 RL(rump_sys_close(fd)); 467 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 468 RL(rump_sys_close(fd)); 469 ATF_REQUIRE_ERRNO(EEXIST, 470 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 471 RL(rump_sys_unlink(name)); 472 RL(rump_sys_chdir("/")); 473 } 474 475 static void 476 rename_nametoolong(const atf_tc_t *tc, const char *mp) 477 { 478 char *name; 479 int res, fd; 480 long val; 481 size_t len; 482 483 if (FSTYPE_RUMPFS(tc)) 484 atf_tc_skip("rename not supported by fs"); 485 486 if (rump_sys_chdir(mp) == -1) 487 atf_tc_fail_errno("chdir mountpoint"); 488 489 val = rump_sys_pathconf(".", _PC_NAME_MAX); 490 if (val == -1) 491 atf_tc_fail_errno("pathconf"); 492 493 len = val + 1; 494 name = malloc(len+1); 495 if (name == NULL) 496 atf_tc_fail_errno("malloc"); 497 498 memset(name, 'a', len); 499 *(name+len) = '\0'; 500 501 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 502 if (fd == -1) 503 atf_tc_fail_errno("open"); 504 if (rump_sys_close(fd) == -1) 505 atf_tc_fail_errno("close"); 506 507 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 508 if (val == -1) 509 atf_tc_fail_errno("pathconf"); 510 511 if (FSTYPE_MSDOS(tc)) 512 atf_tc_expect_fail("PR kern/43670"); 513 res = rump_sys_rename("dummy", name); 514 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 515 atf_tc_fail_errno("rename"); 516 517 if (val == 0 && rump_sys_unlink(name) == -1) 518 atf_tc_fail_errno("unlink"); 519 520 free(name); 521 522 rump_sys_chdir("/"); 523 } 524 525 static void 526 symlink_zerolen(const atf_tc_t *tc, const char *mp) 527 { 528 529 USES_SYMLINKS; 530 531 RL(rump_sys_chdir(mp)); 532 533 if (FSTYPE_TMPFS(tc)) { 534 atf_tc_expect_signal(SIGABRT, "PR kern/43843"); 535 } 536 537 RL(rump_sys_symlink("", "afile")); 538 RL(rump_sys_chdir("/")); 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_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 574 CHECK(st_uid); 575 CHECK(st_gid); 576 CHECK(st_mode); 577 } 578 if (!FSTYPE_MSDOS(tc)) { 579 /* msdosfs has only access date, not time */ 580 CHECK(st_atimespec.tv_sec); 581 } 582 CHECK(st_mtimespec.tv_sec); 583 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 584 CHECK(st_atimespec.tv_nsec); 585 CHECK(st_mtimespec.tv_nsec); 586 } 587 #undef CHECK 588 589 FSTEST_EXIT(); 590 } 591 592 static void 593 fcntl_lock(const atf_tc_t *tc, const char *mp) 594 { 595 int fd, fd2; 596 struct flock l; 597 struct lwp *lwp1, *lwp2; 598 599 FSTEST_ENTER(); 600 l.l_pid = 0; 601 l.l_start = l.l_len = 1024; 602 l.l_type = F_RDLCK | F_WRLCK; 603 l.l_whence = SEEK_END; 604 605 lwp1 = rump_pub_lwproc_curlwp(); 606 RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); 607 RL(rump_sys_ftruncate(fd, 8192)); 608 609 /* PR kern/43321 */ 610 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 611 612 /* Next, we fork and try to lock the same area */ 613 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 614 lwp2 = rump_pub_lwproc_curlwp(); 615 RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); 616 ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); 617 618 /* Switch back and unlock... */ 619 rump_pub_lwproc_switch(lwp1); 620 l.l_type = F_UNLCK; 621 RL(rump_sys_fcntl(fd, F_SETLK, &l)); 622 623 /* ... and try to lock again */ 624 rump_pub_lwproc_switch(lwp2); 625 l.l_type = F_RDLCK | F_WRLCK; 626 RL(rump_sys_fcntl(fd2, F_SETLK, &l)); 627 628 RL(rump_sys_close(fd2)); 629 rump_pub_lwproc_releaselwp(); 630 631 RL(rump_sys_close(fd)); 632 633 FSTEST_EXIT(); 634 } 635 636 static int 637 flock_compare(const void *p, const void *q) 638 { 639 int a = ((const struct flock *)p)->l_start; 640 int b = ((const struct flock *)q)->l_start; 641 return a < b ? -1 : (a > b ? 1 : 0); 642 } 643 644 static void 645 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 646 { 647 /* test non-overlaping ranges */ 648 struct flock expect[4]; 649 const struct flock lock[4] = { 650 { 0, 2, 0, F_WRLCK, SEEK_SET }, 651 { 2, 1, 0, F_WRLCK, SEEK_SET }, 652 { 7, 5, 0, F_WRLCK, SEEK_SET }, 653 { 4, 3, 0, F_WRLCK, SEEK_SET }, 654 }; 655 656 int fd[4]; 657 struct lwp *lwp[4]; 658 pid_t prevpid = 0; 659 660 unsigned int i, j; 661 const off_t sz = 8192; 662 int omode = 0755; 663 int oflags = O_RDWR | O_CREAT; 664 665 memcpy(expect, lock, sizeof(lock)); 666 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 667 668 FSTEST_ENTER(); 669 670 /* 671 * First, we create 4 processes and let each lock a range of the 672 * file. Note that the third and fourth processes lock in 673 * "reverse" order, i.e. the greater pid locks a range before 674 * the lesser pid. 675 */ 676 for(i = 0; i < __arraycount(lwp); i++) { 677 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 678 679 lwp[i] = rump_pub_lwproc_curlwp(); 680 assert(rump_sys_getpid() > prevpid); 681 prevpid = rump_sys_getpid(); 682 683 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 684 oflags = O_RDWR; 685 omode = 0; 686 687 RL(rump_sys_ftruncate(fd[i], sz)); 688 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 689 } 690 691 atf_tc_expect_fail("PR kern/44494"); 692 /* 693 * In the context of each pid , do GETLK for a readlock from 694 * i = [0,__arraycount(locks)]. If we try to lock from the same 695 * start offset as the lock our current process holds, check 696 * that we fail on the offset of the next lock ("else if" branch). 697 * Otherwise, expect to get a lock for the current offset 698 * ("if" branch). The "else" branch is purely for the last 699 * process where we expect no blocking locks. 700 */ 701 for(i = 0; i < __arraycount(lwp); i++) { 702 rump_pub_lwproc_switch(lwp[i]); 703 704 for(j = 0; j < __arraycount(lwp); j++) { 705 struct flock l; 706 l = expect[j]; 707 l.l_len = sz; 708 l.l_type = F_RDLCK; 709 710 RL(rump_sys_fcntl(fd[i], F_GETLK, &l)); 711 712 if(expect[j].l_start != lock[i].l_start) { 713 /* 714 * lock set by another process 715 */ 716 ATF_CHECK(l.l_type != F_UNLCK); 717 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 718 ATF_CHECK_EQ(l.l_len, expect[j].l_len); 719 } else if (j != __arraycount(lwp) - 1) { 720 /* 721 * lock set by the current process 722 */ 723 ATF_CHECK(l.l_type != F_UNLCK); 724 ATF_CHECK_EQ(l.l_start, expect[j+1].l_start); 725 ATF_CHECK_EQ(l.l_len, expect[j+1].l_len); 726 } else { 727 /* 728 * there are no other locks after the 729 * current process lock 730 */ 731 ATF_CHECK_EQ(l.l_type, F_UNLCK); 732 ATF_CHECK_EQ(l.l_start, expect[j].l_start); 733 ATF_CHECK_EQ(l.l_len, sz); 734 ATF_CHECK_EQ(l.l_pid, expect[j].l_pid); 735 ATF_CHECK_EQ(l.l_whence, expect[j].l_whence); 736 } 737 } 738 } 739 740 /* 741 * Release processes. This also releases the fds and locks 742 * making fs unmount possible 743 */ 744 for(i = 0; i < __arraycount(lwp); i++) { 745 rump_pub_lwproc_switch(lwp[i]); 746 rump_pub_lwproc_releaselwp(); 747 } 748 749 FSTEST_EXIT(); 750 } 751 752 static void 753 access_simple(const atf_tc_t *tc, const char *mp) 754 { 755 int fd; 756 int tmode; 757 758 FSTEST_ENTER(); 759 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 760 RL(rump_sys_close(fd)); 761 762 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 763 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 764 tmode = F_OK; 765 else 766 tmode = ALLACC; 767 768 RL(rump_sys_access("tfile", tmode)); 769 770 /* PR kern/44648 */ 771 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 772 #undef ALLACC 773 FSTEST_EXIT(); 774 } 775 776 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 777 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 778 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 779 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 780 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out"); 781 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops"); 782 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .."); 783 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 784 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 785 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 786 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 787 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 788 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 789 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 790 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 791 ATF_TC_FSAPPLY(access_simple, "access(2)"); 792 793 ATF_TP_ADD_TCS(tp) 794 { 795 796 ATF_TP_FSAPPLY(lookup_simple); 797 ATF_TP_FSAPPLY(lookup_complex); 798 ATF_TP_FSAPPLY(dir_simple); 799 ATF_TP_FSAPPLY(dir_notempty); 800 ATF_TP_FSAPPLY(dir_rmdirdotdot); 801 ATF_TP_FSAPPLY(rename_dir); 802 ATF_TP_FSAPPLY(rename_dotdot); 803 ATF_TP_FSAPPLY(rename_reg_nodir); 804 ATF_TP_FSAPPLY(create_nametoolong); 805 ATF_TP_FSAPPLY(create_exist); 806 ATF_TP_FSAPPLY(rename_nametoolong); 807 ATF_TP_FSAPPLY(symlink_zerolen); 808 ATF_TP_FSAPPLY(attrs); 809 ATF_TP_FSAPPLY(fcntl_lock); 810 ATF_TP_FSAPPLY(fcntl_getlock_pids); 811 ATF_TP_FSAPPLY(access_simple); 812 813 return atf_no_error(); 814 } 815
Indexes created Mon Sep 29 21:09:56 GMT 2025