[LTP] [PATCH] chown/chown04.c: Add ELOOP EROFS

[Zeng Linggang <zenglg.jy@cn.fujitsu.com>]

Add ELOOP, EROFS error number test in chown04.c for chown(2)

Signed-off-by: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
---
 runtest/ltplite                           |  2 +-
 runtest/stress.part3                      |  2 +-
 runtest/syscalls                          |  4 +--
 testcases/kernel/syscalls/chown/chown04.c | 58 +++++++++++++++++++++++++++++--
 4 files changed, 59 insertions(+), 7 deletions(-)

diff --git a/runtest/ltplite b/runtest/ltplite
index 60140e2..a6f57e2 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -110,7 +110,7 @@ chmod07 chmod07
 chown01 chown01
 chown02 chown02
 chown03 export change_owner=$LTPROOT/testcases/bin/change_owner;chown03
-chown04 cp -p $LTPROOT/testcases/bin/change_owner $TMPDIR;chown04
+chown04 cp -p $LTPROOT/testcases/bin/change_owner $TMPDIR;chown04 -D DEVICE -T DEVICE_FS_TYPE
 chown05 chown05
 
 chroot01 chroot01
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index 7e7f1b7..2962cc4 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -52,7 +52,7 @@ chmod07 chmod07
 chown01 chown01
 chown02 chown02
 chown03 export change_owner=$LTPROOT/testcases/bin/change_owner;chown03
-chown04 cp -p $LTPROOT/testcases/bin/change_owner $TMPDIR;chown04
+chown04 cp -p $LTPROOT/testcases/bin/change_owner $TMPDIR;chown04 -D DEVICE -T DEVICE_FS_TYPE
 chown05 chown05
 
 chroot01 chroot01
diff --git a/runtest/syscalls b/runtest/syscalls
index 0486b95..180fb58 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -63,8 +63,8 @@ chown02 chown02
 chown02_16 chown02_16
 chown03 chown03
 chown03_16 chown03_16
-chown04 chown04
-chown04_16 chown04_16
+chown04 chown04 -D DEVICE -T DEVICE_FS_TYPE
+chown04_16 chown04_16 -D DEVICE -T DEVICE_FS_TYPE
 chown05 chown05
 chown05_16 chown05_16
 
diff --git a/testcases/kernel/syscalls/chown/chown04.c b/testcases/kernel/syscalls/chown/chown04.c
index f45afc5..47b54bb 100644
--- a/testcases/kernel/syscalls/chown/chown04.c
+++ b/testcases/kernel/syscalls/chown/chown04.c
@@ -88,24 +88,41 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
+#include <sys/mount.h>
 
 #include "test.h"
 #include "usctest.h"
+#include "safe_macros.h"
 
 #define MODE_RWX		 (S_IRWXU|S_IRWXG|S_IRWXO)
 #define FILE_MODE		 (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)
+#define DIR_MODE		 (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
+				 S_IXGRP|S_IROTH|S_IXOTH)
 #define DIR_TEMP		 "testdir_1"
 #define TEST_FILE1		 "tfile_1"
 #define TEST_FILE2		 (DIR_TEMP "/tfile_2")
 #define TEST_FILE3		 "t_file/tfile_3"
+#define TEST_FILE4		 "test_eloop1"
+#define TEST_FILE5		 "mntpoint"
 
 void setup1();
 void setup2();
 void setup3();
 void longpath_setup();
+static void help(void);
 
 char Longpathname[PATH_MAX + 2];
 char high_address_node[64];
+static char *fstype = "ext2";
+static char *device;
+static int dflag;
+static int mount_flag;
+
+static option_t options[] = {
+	{"T:", NULL, &fstype},
+	{"D:", &dflag, &device},
+	{NULL, NULL, NULL}
+};
 
 struct test_case_t {
 	char *pathname;
@@ -119,11 +136,14 @@ struct test_case_t {
 	(char *)-1, EFAULT, NULL}, {
 	Longpathname, ENAMETOOLONG, longpath_setup}, {
 	"", ENOENT, NULL}, {
-TEST_FILE3, ENOTDIR, setup3},};
+	TEST_FILE3, ENOTDIR, setup3}, {
+	TEST_FILE4, ELOOP, NULL}, {
+	TEST_FILE5, EROFS, NULL},};
 
 char *TCID = "chown04";
 int TST_TOTAL = sizeof(test_cases) / sizeof(*test_cases);
-int exp_enos[] = { EPERM, EACCES, EFAULT, ENAMETOOLONG, ENOENT, ENOTDIR, 0 };
+int exp_enos[] = { EPERM, EACCES, EFAULT, ENAMETOOLONG, ENOENT, ENOTDIR,
+		   ELOOP, EROFS, 0 };
 
 struct passwd *ltpuser;
 
@@ -141,8 +161,13 @@ int main(int ac, char **av)
 	uid_t user_id;
 	gid_t group_id;
 
-	if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
+	msg = parse_opts(ac, av, options, help);
+	if (msg != NULL)
 		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+	if (!dflag) {
+		tst_brkm(TBROK, NULL, "you must specify the device used for "
+			 "mounting with -D option");
+	}
 
 	setup();
 
@@ -185,9 +210,12 @@ int main(int ac, char **av)
 void setup()
 {
 	int i;
+	int fd;
 
 	tst_require_root(NULL);
 
+	tst_mkfs(NULL, device, fstype, NULL);
+
 	tst_sig(FORK, DEF_HANDLER, cleanup);
 
 	ltpuser = getpwnam("nobody");
@@ -208,6 +236,19 @@ void setup()
 
 	test_cases[3].pathname = bad_addr;
 
+	SAFE_SYMLINK(cleanup, "test_eloop1", "test_eloop2");
+	SAFE_SYMLINK(cleanup, "test_eloop2", "test_eloop1");
+
+	SAFE_SETEUID(cleanup, 0);
+	SAFE_MKDIR(cleanup, "mntpoint", DIR_MODE);
+	if (mount(device, "mntpoint", fstype, MS_RDONLY, NULL) < 0) {
+		tst_brkm(TBROK | TERRNO, cleanup,
+			 "mount device:%s failed", device);
+	}
+	mount_flag = 1;
+
+	SAFE_SETEUID(cleanup, ltpuser->pw_uid);
+
 	for (i = 0; i < TST_TOTAL; i++)
 		if (test_cases[i].setupfunc != NULL)
 			test_cases[i].setupfunc();
@@ -290,7 +331,18 @@ void cleanup()
 
 	if (seteuid(0) == -1)
 		tst_resm(TWARN | TERRNO, "seteuid(0) failed");
+	if (mount_flag && umount("mntpoint") < 0) {
+		tst_brkm(TBROK | TERRNO, NULL,
+			 "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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