Signed-off-by: Xiaoguang Wang <wangxg.f...@cn.fujitsu.com>
---
runtest/ltplite | 1 +
runtest/stress.part3 | 1 +
runtest/syscalls | 1 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/rename/rename11.c | 214 ++++++++++++++++++++++++++++
5 files changed, 218 insertions(+)
create mode 100644 testcases/kernel/syscalls/rename/rename11.c
diff --git a/runtest/ltplite b/runtest/ltplite
index 6daf4c3..1d10b26 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -640,6 +640,7 @@ rename07 rename07
rename08 rename08
rename09 rename09
rename10 rename10
+rename11 rename11 -D $LTP_DEV -T $LTP_DEV_FS_TYPE
rename12 rename12
rename13 rename13
rename14 rename14
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index 44b1081..6fbe41b 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -550,6 +550,7 @@ rename07 rename07
rename08 rename08
rename09 rename09
rename10 rename10
+rename11 rename11 -D $LTP_DEV -T $LTP_DEV_FS_TYPE
rename12 rename12
rename13 rename13
rename14 rename14
diff --git a/runtest/syscalls b/runtest/syscalls
index c132a69..0eec586 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -845,6 +845,7 @@ rename07 rename07
rename08 rename08
rename09 rename09
rename10 rename10
+rename11 rename11 -D $LTP_DEV -T $LTP_DEV_FS_TYPE
rename12 rename12
rename13 rename13
rename14 rename14
diff --git a/testcases/kernel/syscalls/.gitignore
b/testcases/kernel/syscalls/.gitignore
index 256cad0..d89ec8c 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -690,6 +690,7 @@
/rename/rename08
/rename/rename09
/rename/rename10
+/rename/rename11
/rename/rename12
/rename/rename13
/rename/rename14
diff --git a/testcases/kernel/syscalls/rename/rename11.c
b/testcases/kernel/syscalls/rename/rename11.c
new file mode 100644
index 0000000..e2ab029
--- /dev/null
+++ b/testcases/kernel/syscalls/rename/rename11.c
@@ -0,0 +1,214 @@
+/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Xiaoguang Wang <wangxg.f...@cn.fujitsu.com>
+ *
+ * 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
+ */
+
+/*
+ * Test Description:
+ * Verify that,
+ * 1. rename() fails with -1 return value and sets errno to ELOOP, if too
+ * many symbolic links were encountered in resolving oldpath or newpath.
+ * 2. rename() fails with -1 return value and sets errno to EROFS,
+ * if the file is on a read-only file system.
+ * 3. rename() fails with -1 return value and sets errno to EMLINK,
+ * if the file named by old is a directory and the link count of
+ * the parent directory of new would exceed {LINK_MAX}.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mount.h>
+
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+
+char *TCID = "rename11";
+
+#define MNTPOINT "mntpoint"
+#define TEST_EROFS "mntpoint/test_erofs"
+#define TEST_NEW_EROFS "mntpoint/new_test_erofs"
+
+#define TEST_EMLINK "test_emlink"
+#define TEST_NEW_EMLINK "emlink_dir/testdir"
+
+#define TEST_NEW_ELOOP "new_test_eloop"
+#define ELOPFILE "/test_eloop"
+static char elooppathname[sizeof(ELOPFILE) * 43] = ".";
+static int max_subdirs;
+
+static char *fstype = "ext2";
+static char *device;
+static int mount_flag;
+
+static option_t options[] = {
+ {"T:", NULL, &fstype},
+ {"D:", NULL, &device},
+ {NULL, NULL, NULL},
+};
+
+static int exp_enos[] = { ELOOP, EROFS, EMLINK, 0 };
+
+static void cleanup(void);
+static void setup(void);
+static void help(void);
+static void test_eloop(void);
+static void test_erofs(void);
+static void test_emlink(void);
+
+static void (*testfunc[])(void) = { test_eloop, test_erofs, test_emlink };
+
+int TST_TOTAL = ARRAY_SIZE(testfunc);
+
+int main(int ac, char **av)
+{
+ int lc, i;
+ const char *msg;
+
+ msg = parse_opts(ac, av, options, help);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ if (!device) {
+ tst_brkm(TBROK, NULL, "you must specify the device "
+ "used for mounting with -D option");
+ }
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+
+ for (i = 0; i < TST_TOTAL; i++)
+ (*testfunc[i])();
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ int i;
+
+ tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+ tst_require_root(NULL);
+
+ tst_tmpdir();
+
+ TEST_EXP_ENOS(exp_enos);
+
+ TEST_PAUSE;
+
+ tst_mkfs(NULL, device, fstype, NULL);
+ SAFE_MKDIR(cleanup, MNTPOINT, 0755);
+ if (mount(device, MNTPOINT, fstype, 0, NULL) < 0) {
+ tst_brkm(TBROK | TERRNO, cleanup,
+ "mount device:%s failed", device);
+ }
+ mount_flag = 1;
+ SAFE_TOUCH(cleanup, TEST_EROFS, 0644, NULL);
+
+ SAFE_MKDIR(cleanup, TEST_EMLINK, 0755);
+ max_subdirs = tst_fs_fill_subdirs(cleanup, "emlink_dir");
+ /*
+ * NOTE: the ELOOP test is written based on that the consecutive
+ * symlinks limits in kernel is hardwired to 40.
+ */
+ SAFE_MKDIR(cleanup, "test_eloop", 0644);
+ SAFE_SYMLINK(cleanup, "../test_eloop", "test_eloop/test_eloop");
+ for (i = 0; i < 43; i++)
+ strcat(elooppathname, ELOPFILE);
+}
+
+static void check_and_print(int expected_errno)
+{
+ if (TEST_RETURN == -1) {
+ if (TEST_ERRNO == expected_errno) {
+ tst_resm(TPASS | TTERRNO, "failed as expected");
+ } else {
+ tst_resm(TFAIL | TTERRNO,
+ "failed unexpectedly; expected - %d : %s",
+ expected_errno, strerror(expected_errno));
+ }
+ } else {
+ tst_resm(TFAIL, "rename succeeded unexpectedly");
+ }
+}
+
+static void test_eloop(void)
+{
+ TEST(rename(elooppathname, TEST_NEW_ELOOP));
+ check_and_print(ELOOP);
+
+ if (TEST_RETURN == 0)
+ SAFE_UNLINK(cleanup, TEST_NEW_ELOOP);
+}
+
+static void test_erofs(void)
+{
+ if (mount(device, MNTPOINT, fstype, MS_REMOUNT | MS_RDONLY, NULL) < 0) {
+ tst_brkm(TBROK | TERRNO, cleanup,
+ "mount device:%s failed", device);
+ }
+
+ TEST(rename(TEST_EROFS, TEST_NEW_EROFS));
+ check_and_print(EROFS);
+
+ if (TEST_RETURN == 0)
+ SAFE_UNLINK(cleanup, TEST_NEW_EROFS);
+
+ if (mount(device, MNTPOINT, fstype, MS_REMOUNT, NULL) < 0) {
+ tst_brkm(TBROK | TERRNO, cleanup,
+ "remount device:%s failed", device);
+ }
+}
+
+static void test_emlink(void)
+{
+ if (max_subdirs == 0) {
+ tst_resm(TCONF, "EMLINK test is not appropriate");
+ return;
+ }
+
+ TEST(rename(TEST_EMLINK, TEST_NEW_EMLINK));
+ check_and_print(EMLINK);
+
+ if (TEST_RETURN == 0)
+ SAFE_RMDIR(cleanup, TEST_NEW_EMLINK);
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+
+ if (mount_flag && umount(MNTPOINT) < 0)
+ tst_resm(TWARN | TERRNO, "umount device:%s failed", device);
+
+ tst_rmdir();
+}
+
+static void help(void)
+{
+ printf("-T type : specifies the type of filesystem to be mounted. "
+ "Default ext2.\n");
+ printf("-D device : device used for mounting.\n");
+}
--
1.8.2.1
------------------------------------------------------------------------------
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