minix/tests/fs/vfs/t_vnops.c

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/* $NetBSD: t_vnops.c,v 1.36 2013/07/10 18:55:00 reinoud 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;
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");
ATF_REQUIRE(memcmp(&sb1, &sb2, sizeof(sb1)) == 0);
}
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, f2ino;
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");
f2ino = sb.st_ino;
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);
}
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("/");
}
static void
symlink_zerolen(const atf_tc_t *tc, const char *mp)
{
USES_SYMLINKS;
RL(rump_sys_chdir(mp));
RL(rump_sys_symlink("", "afile"));
RL(rump_sys_chdir("/"));
}
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();
}
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 0-len target");
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_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_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);
return atf_no_error();
}