1 /* $NetBSD: t_vnops.c,v 1.34 2013/03/16 05:45:37 jmmv 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 rump_sys_chdir("/"); 404 } 405 406 static void 407 create_nametoolong(const atf_tc_t *tc, const char *mp) 408 { 409 char *name; 410 int fd; 411 long val; 412 size_t len; 413 414 if (rump_sys_chdir(mp) == -1) 415 atf_tc_fail_errno("chdir mountpoint"); 416 417 val = rump_sys_pathconf(".", _PC_NAME_MAX); 418 if (val == -1) 419 atf_tc_fail_errno("pathconf"); 420 421 len = val + 1; 422 name = malloc(len+1); 423 if (name == NULL) 424 atf_tc_fail_errno("malloc"); 425 426 memset(name, 'a', len); 427 *(name+len) = '\0'; 428 429 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 430 if (val == -1) 431 atf_tc_fail_errno("pathconf"); 432 433 fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); 434 if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) 435 atf_tc_fail_errno("open"); 436 437 if (val == 0 && rump_sys_close(fd) == -1) 438 atf_tc_fail_errno("close"); 439 if (val == 0 && rump_sys_unlink(name) == -1) 440 atf_tc_fail_errno("unlink"); 441 442 free(name); 443 444 rump_sys_chdir("/"); 445 } 446 447 static void 448 create_exist(const atf_tc_t *tc, const char *mp) 449 { 450 const char *name = "hoge"; 451 int fd; 452 453 RL(rump_sys_chdir(mp)); 454 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); 455 RL(rump_sys_close(fd)); 456 RL(rump_sys_unlink(name)); 457 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 458 RL(rump_sys_close(fd)); 459 RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); 460 RL(rump_sys_close(fd)); 461 ATF_REQUIRE_ERRNO(EEXIST, 462 (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); 463 RL(rump_sys_unlink(name)); 464 RL(rump_sys_chdir("/")); 465 } 466 467 static void 468 rename_nametoolong(const atf_tc_t *tc, const char *mp) 469 { 470 char *name; 471 int res, fd; 472 long val; 473 size_t len; 474 475 if (FSTYPE_RUMPFS(tc)) 476 atf_tc_skip("rename not supported by file system"); 477 478 if (rump_sys_chdir(mp) == -1) 479 atf_tc_fail_errno("chdir mountpoint"); 480 481 val = rump_sys_pathconf(".", _PC_NAME_MAX); 482 if (val == -1) 483 atf_tc_fail_errno("pathconf"); 484 485 len = val + 1; 486 name = malloc(len+1); 487 if (name == NULL) 488 atf_tc_fail_errno("malloc"); 489 490 memset(name, 'a', len); 491 *(name+len) = '\0'; 492 493 fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); 494 if (fd == -1) 495 atf_tc_fail_errno("open"); 496 if (rump_sys_close(fd) == -1) 497 atf_tc_fail_errno("close"); 498 499 val = rump_sys_pathconf(".", _PC_NO_TRUNC); 500 if (val == -1) 501 atf_tc_fail_errno("pathconf"); 502 503 res = rump_sys_rename("dummy", name); 504 if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) 505 atf_tc_fail_errno("rename"); 506 507 if (val == 0 && rump_sys_unlink(name) == -1) 508 atf_tc_fail_errno("unlink"); 509 510 free(name); 511 512 rump_sys_chdir("/"); 513 } 514 515 static void 516 symlink_zerolen(const atf_tc_t *tc, const char *mp) 517 { 518 519 USES_SYMLINKS; 520 521 RL(rump_sys_chdir(mp)); 522 523 RL(rump_sys_symlink("", "afile")); 524 RL(rump_sys_chdir("/")); 525 } 526 527 static void 528 symlink_root(const atf_tc_t *tc, const char *mp) 529 { 530 531 USES_SYMLINKS; 532 533 RL(rump_sys_chdir(mp)); 534 RL(rump_sys_symlink("/", "foo")); 535 RL(rump_sys_chdir("foo")); 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_ZFS(tc)) 571 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 572 if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { 573 CHECK(st_uid); 574 CHECK(st_gid); 575 CHECK(st_mode); 576 } 577 if (!FSTYPE_MSDOS(tc)) { 578 /* msdosfs has only access date, not time */ 579 CHECK(st_atimespec.tv_sec); 580 } 581 CHECK(st_mtimespec.tv_sec); 582 if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || 583 FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(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 if (FSTYPE_ZFS(tc)) 611 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 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 /* 647 * Find all locks set by fcntl_getlock_pids test 648 * using GETLK for a range [start, start+end], and, 649 * if there is a blocking lock, recursively find 650 * all locks to the left (toward the beginning of 651 * a file) and to the right of the lock. 652 * The function also understands "until end of file" 653 * convention when len==0. 654 */ 655 static unsigned int 656 fcntl_getlocks(int fildes, off_t start, off_t len, 657 struct flock *lock, struct flock *end) 658 { 659 unsigned int rv = 0; 660 const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; 661 662 if (lock == end) 663 return rv; 664 665 RL(rump_sys_fcntl(fildes, F_GETLK, &l)); 666 667 if (l.l_type == F_UNLCK) 668 return rv; 669 670 *lock++ = l; 671 rv += 1; 672 673 ATF_REQUIRE(l.l_whence == SEEK_SET); 674 675 if (l.l_start > start) { 676 unsigned int n = 677 fcntl_getlocks(fildes, start, l.l_start - start, lock, end); 678 rv += n; 679 lock += n; 680 if (lock == end) 681 return rv; 682 } 683 684 if (l.l_len == 0) /* does l spans until the end? */ 685 return rv; 686 687 if (len == 0) /* are we looking for locks until the end? */ { 688 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 689 } else if (l.l_start + l.l_len < start + len) { 690 len -= l.l_start + l.l_len - start; 691 rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); 692 } 693 694 return rv; 695 } 696 697 static void 698 fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) 699 { 700 /* test non-overlaping ranges */ 701 struct flock expect[4]; 702 const struct flock lock[4] = { 703 { 0, 2, 0, F_WRLCK, SEEK_SET }, 704 { 2, 1, 0, F_WRLCK, SEEK_SET }, 705 { 7, 5, 0, F_WRLCK, SEEK_SET }, 706 { 4, 3, 0, F_WRLCK, SEEK_SET }, 707 }; 708 709 /* Add extra element to make sure recursion does't stop at array end */ 710 struct flock result[5]; 711 712 /* Add 5th process */ 713 int fd[5]; 714 pid_t pid[5]; 715 struct lwp *lwp[5]; 716 717 unsigned int i, j; 718 const off_t sz = 8192; 719 int omode = 0755; 720 int oflags = O_RDWR | O_CREAT; 721 722 memcpy(expect, lock, sizeof(lock)); 723 724 FSTEST_ENTER(); 725 726 /* 727 * First, we create 4 processes and let each lock a range of the 728 * file. Note that the third and fourth processes lock in 729 * "reverse" order, i.e. the greater pid locks a range before 730 * the lesser pid. 731 * Then, we create 5th process which doesn't lock anything. 732 */ 733 for (i = 0; i < __arraycount(lwp); i++) { 734 RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); 735 736 lwp[i] = rump_pub_lwproc_curlwp(); 737 pid[i] = rump_sys_getpid(); 738 739 RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); 740 oflags = O_RDWR; 741 omode = 0; 742 743 RL(rump_sys_ftruncate(fd[i], sz)); 744 745 if (FSTYPE_ZFS(tc)) 746 atf_tc_expect_fail("PR kern/47656: Test known to be " 747 "broken"); 748 if (i < __arraycount(lock)) { 749 RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); 750 expect[i].l_pid = pid[i]; 751 } 752 } 753 754 qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); 755 756 /* 757 * In the context of each process, recursively find all locks 758 * that would block the current process. Processes 1-4 don't 759 * see their own lock, we insert it to simplify checks. 760 * Process 5 sees all 4 locks. 761 */ 762 for (i = 0; i < __arraycount(lwp); i++) { 763 unsigned int nlocks; 764 765 rump_pub_lwproc_switch(lwp[i]); 766 767 memset(result, 0, sizeof(result)); 768 nlocks = fcntl_getlocks(fd[i], 0, sz, 769 result, result + __arraycount(result)); 770 771 if (i < __arraycount(lock)) { 772 ATF_REQUIRE(nlocks < __arraycount(result)); 773 result[nlocks] = lock[i]; 774 result[nlocks].l_pid = pid[i]; 775 nlocks++; 776 } 777 778 ATF_CHECK_EQ(nlocks, __arraycount(expect)); 779 780 qsort(result, nlocks, sizeof(result[0]), &flock_compare); 781 782 for (j = 0; j < nlocks; j++) { 783 ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); 784 ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); 785 ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); 786 ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); 787 ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); 788 } 789 } 790 791 /* 792 * Release processes. This also releases the fds and locks 793 * making fs unmount possible 794 */ 795 for (i = 0; i < __arraycount(lwp); i++) { 796 rump_pub_lwproc_switch(lwp[i]); 797 rump_pub_lwproc_releaselwp(); 798 } 799 800 FSTEST_EXIT(); 801 } 802 803 static void 804 access_simple(const atf_tc_t *tc, const char *mp) 805 { 806 int fd; 807 int tmode; 808 809 FSTEST_ENTER(); 810 RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); 811 RL(rump_sys_close(fd)); 812 813 #define ALLACC (F_OK | X_OK | W_OK | R_OK) 814 if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) 815 tmode = F_OK; 816 else 817 tmode = ALLACC; 818 819 RL(rump_sys_access("tfile", tmode)); 820 821 /* PR kern/44648 */ 822 ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); 823 #undef ALLACC 824 FSTEST_EXIT(); 825 } 826 827 static void 828 read_directory(const atf_tc_t *tc, const char *mp) 829 { 830 char buf[1024]; 831 int fd, res; 832 ssize_t size; 833 834 FSTEST_ENTER(); 835 fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); 836 ATF_REQUIRE(fd != -1); 837 838 size = rump_sys_pread(fd, buf, sizeof(buf), 0); 839 ATF_CHECK(size != -1 || errno == EISDIR); 840 size = rump_sys_read(fd, buf, sizeof(buf)); 841 ATF_CHECK(size != -1 || errno == EISDIR); 842 843 res = rump_sys_close(fd); 844 ATF_REQUIRE(res != -1); 845 FSTEST_EXIT(); 846 } 847 848 ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); 849 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); 850 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); 851 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); 852 ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); 853 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " 854 "(PR kern/44288)"); 855 ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); 856 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); 857 ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); 858 ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); 859 ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); 860 ATF_TC_FSAPPLY(symlink_zerolen, "symlink with 0-len target"); 861 ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); 862 ATF_TC_FSAPPLY(attrs, "check setting attributes works"); 863 ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); 864 ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); 865 ATF_TC_FSAPPLY(access_simple, "access(2)"); 866 ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); 867 868 ATF_TP_ADD_TCS(tp) 869 { 870 871 ATF_TP_FSAPPLY(lookup_simple); 872 ATF_TP_FSAPPLY(lookup_complex); 873 ATF_TP_FSAPPLY(dir_simple); 874 ATF_TP_FSAPPLY(dir_notempty); 875 ATF_TP_FSAPPLY(dir_rmdirdotdot); 876 ATF_TP_FSAPPLY(rename_dir); 877 ATF_TP_FSAPPLY(rename_dotdot); 878 ATF_TP_FSAPPLY(rename_reg_nodir); 879 ATF_TP_FSAPPLY(create_nametoolong); 880 ATF_TP_FSAPPLY(create_exist); 881 ATF_TP_FSAPPLY(rename_nametoolong); 882 ATF_TP_FSAPPLY(symlink_zerolen); 883 ATF_TP_FSAPPLY(symlink_root); 884 ATF_TP_FSAPPLY(attrs); 885 ATF_TP_FSAPPLY(fcntl_lock); 886 ATF_TP_FSAPPLY(fcntl_getlock_pids); 887 ATF_TP_FSAPPLY(access_simple); 888 ATF_TP_FSAPPLY(read_directory); 889 890 return atf_no_error(); 891 } 892