[LTP] [PATCH 1/2] syscalls/fchown: Convert fchown04 to the new API
Xie Ziyao
xieziyao@huawei.com
Mon May 31 13:25:21 CEST 2021
Cleanup and convert fchown04 to the new API.
Signed-off-by: Xie Ziyao <xieziyao@huawei.com>
---
testcases/kernel/syscalls/fchown/fchown04.c | 179 +++++---------------
1 file changed, 47 insertions(+), 132 deletions(-)
diff --git a/testcases/kernel/syscalls/fchown/fchown04.c b/testcases/kernel/syscalls/fchown/fchown04.c
index 12e332671..da14920d3 100644
--- a/testcases/kernel/syscalls/fchown/fchown04.c
+++ b/testcases/kernel/syscalls/fchown/fchown04.c
@@ -1,168 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * Copyright (c) International Business Machines Corp., 2001
- * 07/2001 Ported by Wayne Boyer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (c) International Business Machines Corp., 2001
+ * 07/2001 Ported by Wayne Boyer
+ * Copyright (c) 2021 Xie Ziyao <xieziyao@huawei.com>
*/
-/*
- * Test Description:
- * Verify that,
- * 1) fchown(2) returns -1 and sets errno to EPERM if the effective user id
- * of process does not match the owner of the file and the process is
- * not super user.
- * 2) fchown(2) returns -1 and sets errno to EBADF if the file descriptor
- * of the specified file is not valid.
- * 3) fchown(2) returns -1 and sets errno to EROFS if the named file resides
- * on a read-only file system.
+/*\
+ * [Description]
+ *
+ * Verify that:
+ *
+ * 1. fchown() returns -1 and sets errno to EPERM if the effective user id
+ * of process does not match the owner of the file and the process is
+ * not super user.
+ * 2. fchown() returns -1 and sets errno to EBADF if the file descriptor
+ * of the specified file is not valid.
+ * 3. fchown() returns -1 and sets errno to EROFS if the named file resides
+ * on a read-only file system.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <signal.h>
-#include <grp.h>
#include <pwd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mount.h>
-#include "test.h"
-#include "safe_macros.h"
-#include "compat_16.h"
+#include "tst_test.h"
+#include "compat_tst_16.h"
+#include "tst_safe_macros.h"
-#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
- S_IXGRP|S_IROTH|S_IXOTH)
+#define MNT_POINT "mntpoint"
+#define TEST_FILE "tfile_1"
+#define MODE 0666
+#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
static int fd1;
static int fd2 = -1;
static int fd3;
-static const char *device;
-static int mount_flag;
static struct test_case_t {
int *fd;
int exp_errno;
-} test_cases[] = {
+} tc[] = {
{&fd1, EPERM},
{&fd2, EBADF},
{&fd3, EROFS},
};
-TCID_DEFINE(fchown04);
-int TST_TOTAL = ARRAY_SIZE(test_cases);
-
-static void setup(void);
-static void fchown_verify(int);
-static void cleanup(void);
-
-int main(int ac, char **av)
-{
- int lc;
- int i;
-
- tst_parse_opts(ac, av, NULL, NULL);
-
- setup();
-
- for (lc = 0; TEST_LOOPING(lc); lc++) {
-
- tst_count = 0;
-
- for (i = 0; i < TST_TOTAL; i++)
- fchown_verify(i);
- }
-
- cleanup();
- tst_exit();
-}
-
static void setup(void)
{
struct passwd *ltpuser;
- const char *fs_type;
-
- TEST_PAUSE;
-
- tst_require_root();
-
- tst_tmpdir();
-
- fs_type = tst_dev_fs_type();
- device = tst_acquire_device(cleanup);
-
- if (!device)
- tst_brkm(TCONF, cleanup, "Failed to acquire device");
-
- tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
- fd1 = SAFE_OPEN(cleanup, "tfile_1", O_RDWR | O_CREAT, 0666);
- tst_mkfs(cleanup, device, fs_type, NULL, NULL);
- SAFE_MKDIR(cleanup, "mntpoint", DIR_MODE);
- SAFE_MOUNT(cleanup, device, "mntpoint", fs_type, 0, NULL);
- mount_flag = 1;
- SAFE_TOUCH(cleanup, "mntpoint/tfile_3", 0644, NULL);
- SAFE_MOUNT(cleanup, device, "mntpoint", fs_type,
- MS_REMOUNT | MS_RDONLY, NULL);
- fd3 = SAFE_OPEN(cleanup, "mntpoint/tfile_3", O_RDONLY);
+ fd1 = SAFE_OPEN(TEST_FILE, O_RDWR | O_CREAT, MODE);
+ fd3 = SAFE_OPEN(MNT_POINT, O_RDONLY);
- ltpuser = SAFE_GETPWNAM(cleanup, "nobody");
- SAFE_SETEUID(cleanup, ltpuser->pw_uid);
+ ltpuser = SAFE_GETPWNAM("nobody");
+ SAFE_SETEUID(ltpuser->pw_uid);
}
-static void fchown_verify(int i)
+static void run(unsigned int i)
{
- UID16_CHECK(geteuid(), "fchown", cleanup)
- GID16_CHECK(getegid(), "fchown", cleanup)
+ uid_t uid;
+ gid_t gid;
- TEST(FCHOWN(cleanup, *test_cases[i].fd, geteuid(), getegid()));
+ UID16_CHECK((uid = geteuid()), "fchown");
+ GID16_CHECK((gid = getegid()), "fchown");
- if (TEST_RETURN == -1) {
- if (TEST_ERRNO == test_cases[i].exp_errno) {
- tst_resm(TPASS | TTERRNO, "fchown failed as expected");
- } else {
- tst_resm(TFAIL | TTERRNO,
- "fchown failed unexpectedly; expected %d - %s",
- test_cases[i].exp_errno,
- strerror(test_cases[i].exp_errno));
- }
- } else {
- tst_resm(TFAIL, "fchown passed unexpectedly");
- }
+ TST_EXP_FAIL(FCHOWN(*tc[i].fd, uid, gid), tc[i].exp_errno);
}
static void cleanup(void)
{
- if (seteuid(0))
- tst_resm(TWARN | TERRNO, "Failet to seteuid(0) before cleanup");
-
- if (fd1 > 0 && close(fd1))
- tst_resm(TWARN | TERRNO, "Failed to close fd1");
-
- if (fd3 > 0 && close(fd3))
- tst_resm(TWARN | TERRNO, "Failed to close fd3");
-
- if (mount_flag && tst_umount("mntpoint") < 0)
- tst_resm(TWARN | TERRNO, "umount device:%s failed", device);
-
- if (device)
- tst_release_device(device);
-
- tst_rmdir();
+ SAFE_SETEUID(0);
+ SAFE_CLOSE(fd1);
+ SAFE_CLOSE(fd3);
}
+
+static struct tst_test test = {
+ .needs_root = 1,
+ .needs_rofs = 1,
+ .mntpoint = MNT_POINT,
+ .tcnt = ARRAY_SIZE(tc),
+ .test = run,
+ .setup = setup,
+ .cleanup = cleanup,
+};
--
2.17.1
More information about the ltp
mailing list