diff options
Diffstat (limited to 'contrib/netbsd-tests/fs/vfs/t_vnops.c')
| -rw-r--r-- | contrib/netbsd-tests/fs/vfs/t_vnops.c | 1001 |
1 files changed, 1001 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/fs/vfs/t_vnops.c b/contrib/netbsd-tests/fs/vfs/t_vnops.c new file mode 100644 index 0000000..66b5505 --- /dev/null +++ b/contrib/netbsd-tests/fs/vfs/t_vnops.c @@ -0,0 +1,1001 @@ +/* $NetBSD: t_vnops.c,v 1.43 2014/09/09 06:51:00 gson Exp $ */ + +/*- + * Copyright (c) 2010 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/stat.h> +#include <sys/statvfs.h> + +#include <assert.h> +#include <atf-c.h> +#include <fcntl.h> +#include <libgen.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <rump/rump_syscalls.h> +#include <rump/rump.h> + +#include "../common/h_fsmacros.h" +#include "../../h_macros.h" + +#define TESTFILE "afile" + +#define USES_DIRS \ + if (FSTYPE_SYSVBFS(tc)) \ + atf_tc_skip("directories not supported by file system") + +#define USES_SYMLINKS \ + if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) \ + atf_tc_skip("symlinks not supported by file system") + +static char * +md(char *buf, const char *base, const char *tail) +{ + + sprintf(buf, "%s/%s", base, tail); + return buf; +} + +static void +lookup_simple(const atf_tc_t *tc, const char *mountpath) +{ + char pb[MAXPATHLEN], final[MAXPATHLEN]; + struct stat sb1, sb2; + + strcpy(final, mountpath); + sprintf(pb, "%s/../%s", mountpath, basename(final)); + if (rump_sys_stat(pb, &sb1) == -1) + atf_tc_fail_errno("stat 1"); + + sprintf(pb, "%s/./../%s", mountpath, basename(final)); + if (rump_sys_stat(pb, &sb2) == -1) + atf_tc_fail_errno("stat 2"); + + ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0); +} + +static void +lookup_complex(const atf_tc_t *tc, const char *mountpath) +{ + char pb[MAXPATHLEN]; + struct stat sb1, sb2; + + USES_DIRS; + + if (FSTYPE_UDF(tc)) + atf_tc_expect_fail("PR kern/49033"); + + sprintf(pb, "%s/dir", mountpath); + if (rump_sys_mkdir(pb, 0777) == -1) + atf_tc_fail_errno("mkdir"); + if (rump_sys_stat(pb, &sb1) == -1) + atf_tc_fail_errno("stat 1"); + + sprintf(pb, "%s/./dir/../././dir/.", mountpath); + if (rump_sys_stat(pb, &sb2) == -1) + atf_tc_fail_errno("stat 2"); + + if (memcmp(&sb1, &sb2, sizeof(sb1)) != 0) { + printf("what\tsb1\t\tsb2\n"); + +#define FIELD(FN) \ + printf(#FN "\t%lld\t%lld\n", \ + (long long)sb1.FN, (long long)sb2.FN) +#define TIME(FN) \ + printf(#FN "\t%lld.%ld\t%lld.%ld\n", \ + (long long)sb1.FN.tv_sec, sb1.FN.tv_nsec, \ + (long long)sb2.FN.tv_sec, sb2.FN.tv_nsec) + + FIELD(st_dev); + FIELD(st_mode); + FIELD(st_ino); + FIELD(st_nlink); + FIELD(st_uid); + FIELD(st_gid); + FIELD(st_rdev); + TIME(st_atim); + TIME(st_mtim); + TIME(st_ctim); + TIME(st_birthtim); + FIELD(st_size); + FIELD(st_blocks); + FIELD(st_flags); + FIELD(st_gen); + +#undef FIELD +#undef TIME + + atf_tc_fail("stat results differ, see ouput for more details"); + } + if (FSTYPE_UDF(tc)) + atf_tc_fail("random failure of PR kern/49033 " + "did not happen this time"); +} + +static void +dir_simple(const atf_tc_t *tc, const char *mountpath) +{ + char pb[MAXPATHLEN]; + struct stat sb; + + USES_DIRS; + + /* check we can create directories */ + sprintf(pb, "%s/dir", mountpath); + if (rump_sys_mkdir(pb, 0777) == -1) + atf_tc_fail_errno("mkdir"); + if (rump_sys_stat(pb, &sb) == -1) + atf_tc_fail_errno("stat new directory"); + + /* check we can remove then and that it makes them unreachable */ + if (rump_sys_rmdir(pb) == -1) + atf_tc_fail_errno("rmdir"); + if (rump_sys_stat(pb, &sb) != -1 || errno != ENOENT) + atf_tc_fail("ENOENT expected from stat"); +} + +static void +dir_notempty(const atf_tc_t *tc, const char *mountpath) +{ + char pb[MAXPATHLEN], pb2[MAXPATHLEN]; + int fd, rv; + + USES_DIRS; + + /* check we can create directories */ + sprintf(pb, "%s/dir", mountpath); + if (rump_sys_mkdir(pb, 0777) == -1) + atf_tc_fail_errno("mkdir"); + + sprintf(pb2, "%s/dir/file", mountpath); + fd = rump_sys_open(pb2, O_RDWR | O_CREAT, 0777); + if (fd == -1) + atf_tc_fail_errno("create file"); + rump_sys_close(fd); + + rv = rump_sys_rmdir(pb); + if (FSTYPE_ZFS(tc)) + atf_tc_expect_fail("PR kern/47656: Test known to be broken"); + if (rv != -1 || errno != ENOTEMPTY) + atf_tc_fail("non-empty directory removed succesfully"); + + if (rump_sys_unlink(pb2) == -1) + atf_tc_fail_errno("cannot remove dir/file"); + + if (rump_sys_rmdir(pb) == -1) + atf_tc_fail_errno("remove directory"); +} + +static void +dir_rmdirdotdot(const atf_tc_t *tc, const char *mp) +{ + char pb[MAXPATHLEN]; + int xerrno; + + USES_DIRS; + + FSTEST_ENTER(); + RL(rump_sys_mkdir("test", 0777)); + RL(rump_sys_chdir("test")); + + RL(rump_sys_mkdir("subtest", 0777)); + RL(rump_sys_chdir("subtest")); + + md(pb, mp, "test/subtest"); + RL(rump_sys_rmdir(pb)); + md(pb, mp, "test"); + RL(rump_sys_rmdir(pb)); + + if (FSTYPE_NFS(tc)) + xerrno = ESTALE; + else + xerrno = ENOENT; + ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1); + FSTEST_EXIT(); +} + +static void +checkfile(const char *path, struct stat *refp) +{ + char buf[MAXPATHLEN]; + struct stat sb; + static int n = 1; + + md(buf, path, "file"); + if (rump_sys_stat(buf, &sb) == -1) + atf_tc_fail_errno("cannot stat file %d (%s)", n, buf); + if (memcmp(&sb, refp, sizeof(sb)) != 0) + atf_tc_fail("stat mismatch %d", n); + n++; +} + +static void +rename_dir(const atf_tc_t *tc, const char *mp) +{ + char pb1[MAXPATHLEN], pb2[MAXPATHLEN], pb3[MAXPATHLEN]; + struct stat ref, sb; + + if (FSTYPE_RUMPFS(tc)) + atf_tc_skip("rename not supported by file system"); + + USES_DIRS; + + md(pb1, mp, "dir1"); + if (rump_sys_mkdir(pb1, 0777) == -1) + atf_tc_fail_errno("mkdir 1"); + + md(pb2, mp, "dir2"); + if (rump_sys_mkdir(pb2, 0777) == -1) + atf_tc_fail_errno("mkdir 2"); + md(pb2, mp, "dir2/subdir"); + if (rump_sys_mkdir(pb2, 0777) == -1) + atf_tc_fail_errno("mkdir 3"); + + md(pb3, mp, "dir1/file"); + if (rump_sys_mknod(pb3, S_IFREG | 0777, -1) == -1) + atf_tc_fail_errno("create file"); + if (rump_sys_stat(pb3, &ref) == -1) + atf_tc_fail_errno("stat of file"); + + /* + * First try ops which should succeed. + */ + + /* rename within directory */ + md(pb3, mp, "dir3"); + if (rump_sys_rename(pb1, pb3) == -1) + atf_tc_fail_errno("rename 1"); + checkfile(pb3, &ref); + + /* rename directory onto itself (two ways, should fail) */ + md(pb1, mp, "dir3/."); + if (rump_sys_rename(pb1, pb3) != -1 || errno != EINVAL) + atf_tc_fail_errno("rename 2"); + if (FSTYPE_ZFS(tc)) + atf_tc_expect_fail("PR kern/47656: Test known to be broken"); + if (rump_sys_rename(pb3, pb1) != -1 || errno != EISDIR) + atf_tc_fail_errno("rename 3"); + + checkfile(pb3, &ref); + + /* rename father of directory into directory */ + md(pb1, mp, "dir2/dir"); + md(pb2, mp, "dir2"); + if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) + atf_tc_fail_errno("rename 4"); + + /* same for grandfather */ + md(pb1, mp, "dir2/subdir/dir2"); + if (rump_sys_rename(pb2, pb1) != -1 || errno != EINVAL) + atf_tc_fail("rename 5"); + + checkfile(pb3, &ref); + + /* rename directory over a non-empty directory */ + if (rump_sys_rename(pb2, pb3) != -1 || errno != ENOTEMPTY) + atf_tc_fail("rename 6"); + + /* cross-directory rename */ + md(pb1, mp, "dir3"); + md(pb2, mp, "dir2/somedir"); + if (rump_sys_rename(pb1, pb2) == -1) + atf_tc_fail_errno("rename 7"); + checkfile(pb2, &ref); + + /* move to parent directory */ + md(pb1, mp, "dir2/somedir/../../dir3"); + if (rump_sys_rename(pb2, pb1) == -1) + atf_tc_fail_errno("rename 8"); + md(pb1, mp, "dir2/../dir3"); + checkfile(pb1, &ref); + + /* atomic cross-directory rename */ + md(pb3, mp, "dir2/subdir"); + if (rump_sys_rename(pb1, pb3) == -1) + atf_tc_fail_errno("rename 9"); + checkfile(pb3, &ref); + + /* rename directory over an empty directory */ + md(pb1, mp, "parent"); + md(pb2, mp, "parent/dir1"); + md(pb3, mp, "parent/dir2"); + RL(rump_sys_mkdir(pb1, 0777)); + RL(rump_sys_mkdir(pb2, 0777)); + RL(rump_sys_mkdir(pb3, 0777)); + RL(rump_sys_rename(pb2, pb3)); + + RL(rump_sys_stat(pb1, &sb)); + if (! FSTYPE_MSDOS(tc)) + ATF_CHECK_EQ(sb.st_nlink, 3); + RL(rump_sys_rmdir(pb3)); + RL(rump_sys_rmdir(pb1)); +} + +static void +rename_dotdot(const atf_tc_t *tc, const char *mp) +{ + + if (FSTYPE_RUMPFS(tc)) + atf_tc_skip("rename not supported by file system"); + + USES_DIRS; + + if (rump_sys_chdir(mp) == -1) + atf_tc_fail_errno("chdir mountpoint"); + + if (rump_sys_mkdir("dir1", 0777) == -1) + atf_tc_fail_errno("mkdir 1"); + if (rump_sys_mkdir("dir2", 0777) == -1) + atf_tc_fail_errno("mkdir 2"); + + if (rump_sys_rename("dir1", "dir1/..") != -1 || errno != EINVAL) + atf_tc_fail_errno("self-dotdot to"); + + if (rump_sys_rename("dir1/..", "sometarget") != -1 || errno != EINVAL) + atf_tc_fail_errno("self-dotdot from"); + + if (rump_sys_rename("dir1", "dir2/..") != -1 || errno != EINVAL) + atf_tc_fail("other-dotdot"); + + rump_sys_chdir("/"); +} + +static void +rename_reg_nodir(const atf_tc_t *tc, const char *mp) +{ + bool haslinks; + struct stat sb; + ino_t f1ino; + + if (FSTYPE_RUMPFS(tc)) + atf_tc_skip("rename not supported by file system"); + + if (rump_sys_chdir(mp) == -1) + atf_tc_fail_errno("chdir mountpoint"); + + if (FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc)) + haslinks = false; + else + haslinks = true; + + if (rump_sys_mknod("file1", S_IFREG | 0777, -1) == -1) + atf_tc_fail_errno("create file"); + if (rump_sys_mknod("file2", S_IFREG | 0777, -1) == -1) + atf_tc_fail_errno("create file"); + + if (rump_sys_stat("file1", &sb) == -1) + atf_tc_fail_errno("stat"); + f1ino = sb.st_ino; + + if (haslinks) { + if (rump_sys_link("file1", "file_link") == -1) + atf_tc_fail_errno("link"); + if (rump_sys_stat("file_link", &sb) == -1) + atf_tc_fail_errno("stat"); + ATF_REQUIRE_EQ(sb.st_ino, f1ino); + ATF_REQUIRE_EQ(sb.st_nlink, 2); + } + + if (rump_sys_stat("file2", &sb) == -1) + atf_tc_fail_errno("stat"); + + if (rump_sys_rename("file1", "file3") == -1) + atf_tc_fail_errno("rename 1"); + if (rump_sys_stat("file3", &sb) == -1) + atf_tc_fail_errno("stat 1"); + if (haslinks) { + ATF_REQUIRE_EQ(sb.st_ino, f1ino); + } + if (rump_sys_stat("file1", &sb) != -1 || errno != ENOENT) + atf_tc_fail_errno("source 1"); + + if (rump_sys_rename("file3", "file2") == -1) + atf_tc_fail_errno("rename 2"); + if (rump_sys_stat("file2", &sb) == -1) + atf_tc_fail_errno("stat 2"); + if (haslinks) { + ATF_REQUIRE_EQ(sb.st_ino, f1ino); + } + + if (rump_sys_stat("file3", &sb) != -1 || errno != ENOENT) + atf_tc_fail_errno("source 2"); + + if (haslinks) { + if (rump_sys_rename("file2", "file_link") == -1) + atf_tc_fail_errno("rename hardlink"); + if (rump_sys_stat("file2", &sb) != -1 || errno != ENOENT) + atf_tc_fail_errno("source 3"); + if (rump_sys_stat("file_link", &sb) == -1) + atf_tc_fail_errno("stat 2"); + ATF_REQUIRE_EQ(sb.st_ino, f1ino); + ATF_REQUIRE_EQ(sb.st_nlink, 1); + } + + ATF_CHECK_ERRNO(EFAULT, rump_sys_rename("file2", NULL) == -1); + ATF_CHECK_ERRNO(EFAULT, rump_sys_rename(NULL, "file2") == -1); + + rump_sys_chdir("/"); +} + +static void +create_nametoolong(const atf_tc_t *tc, const char *mp) +{ + char *name; + int fd; + long val; + size_t len; + + if (rump_sys_chdir(mp) == -1) + atf_tc_fail_errno("chdir mountpoint"); + + val = rump_sys_pathconf(".", _PC_NAME_MAX); + if (val == -1) + atf_tc_fail_errno("pathconf"); + + len = val + 1; + name = malloc(len+1); + if (name == NULL) + atf_tc_fail_errno("malloc"); + + memset(name, 'a', len); + *(name+len) = '\0'; + + val = rump_sys_pathconf(".", _PC_NO_TRUNC); + if (val == -1) + atf_tc_fail_errno("pathconf"); + + fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666); + if (val != 0 && (fd != -1 || errno != ENAMETOOLONG)) + atf_tc_fail_errno("open"); + + if (val == 0 && rump_sys_close(fd) == -1) + atf_tc_fail_errno("close"); + if (val == 0 && rump_sys_unlink(name) == -1) + atf_tc_fail_errno("unlink"); + + free(name); + + rump_sys_chdir("/"); +} + +static void +create_exist(const atf_tc_t *tc, const char *mp) +{ + const char *name = "hoge"; + int fd; + + RL(rump_sys_chdir(mp)); + RL(fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666)); + RL(rump_sys_close(fd)); + RL(rump_sys_unlink(name)); + RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); + RL(rump_sys_close(fd)); + RL(fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)); + RL(rump_sys_close(fd)); + ATF_REQUIRE_ERRNO(EEXIST, + (fd = rump_sys_open(name, O_RDWR|O_CREAT|O_EXCL, 0666))); + RL(rump_sys_unlink(name)); + RL(rump_sys_chdir("/")); +} + +static void +rename_nametoolong(const atf_tc_t *tc, const char *mp) +{ + char *name; + int res, fd; + long val; + size_t len; + + if (FSTYPE_RUMPFS(tc)) + atf_tc_skip("rename not supported by file system"); + + if (rump_sys_chdir(mp) == -1) + atf_tc_fail_errno("chdir mountpoint"); + + val = rump_sys_pathconf(".", _PC_NAME_MAX); + if (val == -1) + atf_tc_fail_errno("pathconf"); + + len = val + 1; + name = malloc(len+1); + if (name == NULL) + atf_tc_fail_errno("malloc"); + + memset(name, 'a', len); + *(name+len) = '\0'; + + fd = rump_sys_open("dummy", O_RDWR|O_CREAT, 0666); + if (fd == -1) + atf_tc_fail_errno("open"); + if (rump_sys_close(fd) == -1) + atf_tc_fail_errno("close"); + + val = rump_sys_pathconf(".", _PC_NO_TRUNC); + if (val == -1) + atf_tc_fail_errno("pathconf"); + + res = rump_sys_rename("dummy", name); + if (val != 0 && (res != -1 || errno != ENAMETOOLONG)) + atf_tc_fail_errno("rename"); + + if (val == 0 && rump_sys_unlink(name) == -1) + atf_tc_fail_errno("unlink"); + + free(name); + + rump_sys_chdir("/"); +} + +/* + * Test creating a symlink whose length is "len" bytes, not including + * the terminating NUL. + */ +static void +symlink_len(const atf_tc_t *tc, const char *mp, size_t len) +{ + char *buf; + int r; + + USES_SYMLINKS; + + RL(rump_sys_chdir(mp)); + + buf = malloc(len + 1); + ATF_REQUIRE(buf); + memset(buf, 'a', len); + buf[len] = '\0'; + r = rump_sys_symlink(buf, "afile"); + if (r == -1) { + ATF_REQUIRE_ERRNO(ENAMETOOLONG, r); + } else { + RL(rump_sys_unlink("afile")); + } + free(buf); + + RL(rump_sys_chdir("/")); +} + +static void +symlink_zerolen(const atf_tc_t *tc, const char *mp) +{ + symlink_len(tc, mp, 0); +} + +static void +symlink_long(const atf_tc_t *tc, const char *mp) +{ + /* + * Test lengths close to powers of two, as those are likely + * to be edge cases. + */ + size_t len; + int fuzz; + for (len = 2; len <= 65536; len *= 2) { + for (fuzz = -1; fuzz <= 1; fuzz++) { + symlink_len(tc, mp, len + fuzz); + } + } +} + +static void +symlink_root(const atf_tc_t *tc, const char *mp) +{ + + USES_SYMLINKS; + + RL(rump_sys_chdir(mp)); + RL(rump_sys_symlink("/", "foo")); + RL(rump_sys_chdir("foo")); +} + +static void +attrs(const atf_tc_t *tc, const char *mp) +{ + struct stat sb, sb2; + struct timeval tv[2]; + int fd; + + FSTEST_ENTER(); + RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); + RL(rump_sys_close(fd)); + RL(rump_sys_stat(TESTFILE, &sb)); + if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { + RL(rump_sys_chown(TESTFILE, 1, 2)); + sb.st_uid = 1; + sb.st_gid = 2; + RL(rump_sys_chmod(TESTFILE, 0123)); + sb.st_mode = (sb.st_mode & ~ACCESSPERMS) | 0123; + } + + tv[0].tv_sec = 1000000000; /* need something >1980 for msdosfs */ + tv[0].tv_usec = 1; + tv[1].tv_sec = 1000000002; /* need even seconds for msdosfs */ + tv[1].tv_usec = 3; + RL(rump_sys_utimes(TESTFILE, tv)); + RL(rump_sys_utimes(TESTFILE, tv)); /* XXX: utimes & birthtime */ + sb.st_atimespec.tv_sec = 1000000000; + sb.st_atimespec.tv_nsec = 1000; + sb.st_mtimespec.tv_sec = 1000000002; + sb.st_mtimespec.tv_nsec = 3000; + + RL(rump_sys_stat(TESTFILE, &sb2)); +#define CHECK(a) ATF_REQUIRE_EQ(sb.a, sb2.a) + if (FSTYPE_ZFS(tc)) + atf_tc_expect_fail("PR kern/47656: Test known to be broken"); + if (!(FSTYPE_MSDOS(tc) || FSTYPE_SYSVBFS(tc))) { + CHECK(st_uid); + CHECK(st_gid); + CHECK(st_mode); + } + if (!FSTYPE_MSDOS(tc)) { + /* msdosfs has only access date, not time */ + CHECK(st_atimespec.tv_sec); + } + CHECK(st_mtimespec.tv_sec); + if (!(FSTYPE_EXT2FS(tc) || FSTYPE_MSDOS(tc) || + FSTYPE_SYSVBFS(tc) || FSTYPE_V7FS(tc))) { + CHECK(st_atimespec.tv_nsec); + CHECK(st_mtimespec.tv_nsec); + } +#undef CHECK + + FSTEST_EXIT(); +} + +static void +fcntl_lock(const atf_tc_t *tc, const char *mp) +{ + int fd, fd2; + struct flock l; + struct lwp *lwp1, *lwp2; + + FSTEST_ENTER(); + l.l_pid = 0; + l.l_start = l.l_len = 1024; + l.l_type = F_RDLCK | F_WRLCK; + l.l_whence = SEEK_END; + + lwp1 = rump_pub_lwproc_curlwp(); + RL(fd = rump_sys_open(TESTFILE, O_RDWR | O_CREAT, 0755)); + RL(rump_sys_ftruncate(fd, 8192)); + + /* PR kern/43321 */ + if (FSTYPE_ZFS(tc)) + atf_tc_expect_fail("PR kern/47656: Test known to be broken"); + RL(rump_sys_fcntl(fd, F_SETLK, &l)); + + /* Next, we fork and try to lock the same area */ + RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); + lwp2 = rump_pub_lwproc_curlwp(); + RL(fd2 = rump_sys_open(TESTFILE, O_RDWR, 0)); + ATF_REQUIRE_ERRNO(EAGAIN, rump_sys_fcntl(fd2, F_SETLK, &l)); + + /* Switch back and unlock... */ + rump_pub_lwproc_switch(lwp1); + l.l_type = F_UNLCK; + RL(rump_sys_fcntl(fd, F_SETLK, &l)); + + /* ... and try to lock again */ + rump_pub_lwproc_switch(lwp2); + l.l_type = F_RDLCK | F_WRLCK; + RL(rump_sys_fcntl(fd2, F_SETLK, &l)); + + RL(rump_sys_close(fd2)); + rump_pub_lwproc_releaselwp(); + + RL(rump_sys_close(fd)); + + FSTEST_EXIT(); +} + +static int +flock_compare(const void *p, const void *q) +{ + int a = ((const struct flock *)p)->l_start; + int b = ((const struct flock *)q)->l_start; + return a < b ? -1 : (a > b ? 1 : 0); +} + +/* + * Find all locks set by fcntl_getlock_pids test + * using GETLK for a range [start, start+end], and, + * if there is a blocking lock, recursively find + * all locks to the left (toward the beginning of + * a file) and to the right of the lock. + * The function also understands "until end of file" + * convention when len==0. + */ +static unsigned int +fcntl_getlocks(int fildes, off_t start, off_t len, + struct flock *lock, struct flock *end) +{ + unsigned int rv = 0; + const struct flock l = { start, len, 0, F_RDLCK, SEEK_SET }; + + if (lock == end) + return rv; + + RL(rump_sys_fcntl(fildes, F_GETLK, &l)); + + if (l.l_type == F_UNLCK) + return rv; + + *lock++ = l; + rv += 1; + + ATF_REQUIRE(l.l_whence == SEEK_SET); + + if (l.l_start > start) { + unsigned int n = + fcntl_getlocks(fildes, start, l.l_start - start, lock, end); + rv += n; + lock += n; + if (lock == end) + return rv; + } + + if (l.l_len == 0) /* does l spans until the end? */ + return rv; + + if (len == 0) /* are we looking for locks until the end? */ { + rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); + } else if (l.l_start + l.l_len < start + len) { + len -= l.l_start + l.l_len - start; + rv += fcntl_getlocks(fildes, l.l_start + l.l_len, len, lock, end); + } + + return rv; +} + +static void +fcntl_getlock_pids(const atf_tc_t *tc, const char *mp) +{ + /* test non-overlaping ranges */ + struct flock expect[4]; + const struct flock lock[4] = { + { 0, 2, 0, F_WRLCK, SEEK_SET }, + { 2, 1, 0, F_WRLCK, SEEK_SET }, + { 7, 5, 0, F_WRLCK, SEEK_SET }, + { 4, 3, 0, F_WRLCK, SEEK_SET }, + }; + + /* Add extra element to make sure recursion does't stop at array end */ + struct flock result[5]; + + /* Add 5th process */ + int fd[5]; + pid_t pid[5]; + struct lwp *lwp[5]; + + unsigned int i, j; + const off_t sz = 8192; + int omode = 0755; + int oflags = O_RDWR | O_CREAT; + + memcpy(expect, lock, sizeof(lock)); + + FSTEST_ENTER(); + + /* + * First, we create 4 processes and let each lock a range of the + * file. Note that the third and fourth processes lock in + * "reverse" order, i.e. the greater pid locks a range before + * the lesser pid. + * Then, we create 5th process which doesn't lock anything. + */ + for (i = 0; i < __arraycount(lwp); i++) { + RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG)); + + lwp[i] = rump_pub_lwproc_curlwp(); + pid[i] = rump_sys_getpid(); + + RL(fd[i] = rump_sys_open(TESTFILE, oflags, omode)); + oflags = O_RDWR; + omode = 0; + + RL(rump_sys_ftruncate(fd[i], sz)); + + if (FSTYPE_ZFS(tc)) + atf_tc_expect_fail("PR kern/47656: Test known to be " + "broken"); + if (i < __arraycount(lock)) { + RL(rump_sys_fcntl(fd[i], F_SETLK, &lock[i])); + expect[i].l_pid = pid[i]; + } + } + + qsort(expect, __arraycount(expect), sizeof(expect[0]), &flock_compare); + + /* + * In the context of each process, recursively find all locks + * that would block the current process. Processes 1-4 don't + * see their own lock, we insert it to simplify checks. + * Process 5 sees all 4 locks. + */ + for (i = 0; i < __arraycount(lwp); i++) { + unsigned int nlocks; + + rump_pub_lwproc_switch(lwp[i]); + + memset(result, 0, sizeof(result)); + nlocks = fcntl_getlocks(fd[i], 0, sz, + result, result + __arraycount(result)); + + if (i < __arraycount(lock)) { + ATF_REQUIRE(nlocks < __arraycount(result)); + result[nlocks] = lock[i]; + result[nlocks].l_pid = pid[i]; + nlocks++; + } + + ATF_CHECK_EQ(nlocks, __arraycount(expect)); + + qsort(result, nlocks, sizeof(result[0]), &flock_compare); + + for (j = 0; j < nlocks; j++) { + ATF_CHECK_EQ(result[j].l_start, expect[j].l_start ); + ATF_CHECK_EQ(result[j].l_len, expect[j].l_len ); + ATF_CHECK_EQ(result[j].l_pid, expect[j].l_pid ); + ATF_CHECK_EQ(result[j].l_type, expect[j].l_type ); + ATF_CHECK_EQ(result[j].l_whence, expect[j].l_whence); + } + } + + /* + * Release processes. This also releases the fds and locks + * making fs unmount possible + */ + for (i = 0; i < __arraycount(lwp); i++) { + rump_pub_lwproc_switch(lwp[i]); + rump_pub_lwproc_releaselwp(); + } + + FSTEST_EXIT(); +} + +static void +access_simple(const atf_tc_t *tc, const char *mp) +{ + int fd; + int tmode; + + FSTEST_ENTER(); + RL(fd = rump_sys_open("tfile", O_CREAT | O_RDWR, 0777)); + RL(rump_sys_close(fd)); + +#define ALLACC (F_OK | X_OK | W_OK | R_OK) + if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc)) + tmode = F_OK; + else + tmode = ALLACC; + + RL(rump_sys_access("tfile", tmode)); + + /* PR kern/44648 */ + ATF_REQUIRE_ERRNO(EINVAL, rump_sys_access("tfile", ALLACC+1) == -1); +#undef ALLACC + FSTEST_EXIT(); +} + +static void +read_directory(const atf_tc_t *tc, const char *mp) +{ + char buf[1024]; + int fd, res; + ssize_t size; + + FSTEST_ENTER(); + fd = rump_sys_open(".", O_DIRECTORY | O_RDONLY, 0777); + ATF_REQUIRE(fd != -1); + + size = rump_sys_pread(fd, buf, sizeof(buf), 0); + ATF_CHECK(size != -1 || errno == EISDIR); + size = rump_sys_read(fd, buf, sizeof(buf)); + ATF_CHECK(size != -1 || errno == EISDIR); + + res = rump_sys_close(fd); + ATF_REQUIRE(res != -1); + FSTEST_EXIT(); +} + +static void +lstat_symlink(const atf_tc_t *tc, const char *mp) +{ + const char *src, *dst; + int res; + struct stat st; + + USES_SYMLINKS; + + if (FSTYPE_V7FS(tc)) + atf_tc_expect_fail("PR kern/48864"); + + FSTEST_ENTER(); + + src = "source"; + dst = "destination"; + + res = rump_sys_symlink(src, dst); + ATF_REQUIRE(res != -1); + res = rump_sys_lstat(dst, &st); + ATF_REQUIRE(res != -1); + + ATF_CHECK(S_ISLNK(st.st_mode) != 0); + ATF_CHECK(st.st_size == (off_t)strlen(src)); + + FSTEST_EXIT(); +} + +ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)"); +ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries"); +ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir"); +ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed"); +ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out (PR kern/44657)"); +ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops " +"(PR kern/44288)"); +ATF_TC_FSAPPLY(rename_dotdot, "rename dir .. (PR kern/43617)"); +ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories"); +ATF_TC_FSAPPLY(create_nametoolong, "create file with name too long"); +ATF_TC_FSAPPLY(create_exist, "create with O_EXCL"); +ATF_TC_FSAPPLY(rename_nametoolong, "rename to file with name too long"); +ATF_TC_FSAPPLY(symlink_zerolen, "symlink with target of length 0"); +ATF_TC_FSAPPLY(symlink_long, "symlink with target of length > 0"); +ATF_TC_FSAPPLY(symlink_root, "symlink to root directory"); +ATF_TC_FSAPPLY(attrs, "check setting attributes works"); +ATF_TC_FSAPPLY(fcntl_lock, "check fcntl F_SETLK"); +ATF_TC_FSAPPLY(fcntl_getlock_pids,"fcntl F_GETLK w/ many procs, PR kern/44494"); +ATF_TC_FSAPPLY(access_simple, "access(2)"); +ATF_TC_FSAPPLY(read_directory, "read(2) on directories"); +ATF_TC_FSAPPLY(lstat_symlink, "lstat(2) values for symbolic links"); + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_FSAPPLY(lookup_simple); + ATF_TP_FSAPPLY(lookup_complex); + ATF_TP_FSAPPLY(dir_simple); + ATF_TP_FSAPPLY(dir_notempty); + ATF_TP_FSAPPLY(dir_rmdirdotdot); + ATF_TP_FSAPPLY(rename_dir); + ATF_TP_FSAPPLY(rename_dotdot); + ATF_TP_FSAPPLY(rename_reg_nodir); + ATF_TP_FSAPPLY(create_nametoolong); + ATF_TP_FSAPPLY(create_exist); + ATF_TP_FSAPPLY(rename_nametoolong); + ATF_TP_FSAPPLY(symlink_zerolen); + ATF_TP_FSAPPLY(symlink_long); + ATF_TP_FSAPPLY(symlink_root); + ATF_TP_FSAPPLY(attrs); + ATF_TP_FSAPPLY(fcntl_lock); + ATF_TP_FSAPPLY(fcntl_getlock_pids); + ATF_TP_FSAPPLY(access_simple); + ATF_TP_FSAPPLY(read_directory); + ATF_TP_FSAPPLY(lstat_symlink); + + return atf_no_error(); +} |
