1. Set new egid.
2. Create a new file.
3. Verify the file's st_gid is equal to the new egid.
Signed-off-by: Zeng Linggang <zenglg...@cn.fujitsu.com>
---
runtest/ltplite | 1 +
runtest/stress.part3 | 1 +
runtest/syscalls | 2 +
testcases/kernel/syscalls/.gitignore | 2 +
testcases/kernel/syscalls/setresgid/setresgid04.c | 104 ++++++++++++++++++++++
5 files changed, 110 insertions(+)
create mode 100644 testcases/kernel/syscalls/setresgid/setresgid04.c
diff --git a/runtest/ltplite b/runtest/ltplite
index 4b22444..59e1c8a 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -769,6 +769,7 @@ setregid04 setregid04
setresgid01 setresgid01
setresgid02 setresgid02
setresgid03 setresgid03
+setresgid04 setresgid04
setresuid01 setresuid01
setresuid02 setresuid02
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index 38aaa1d..3b3a45c 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -673,6 +673,7 @@ setregid04 setregid04
setresgid01 setresgid01
setresgid02 setresgid02
setresgid03 setresgid03
+setresgid04 setresgid04
setresuid01 setresuid01
setresuid02 setresuid02
diff --git a/runtest/syscalls b/runtest/syscalls
index c294032..3cd249a 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -1027,6 +1027,8 @@ setresgid02 setresgid02
setresgid02_16 setresgid02_16
setresgid03 setresgid03
setresgid03_16 setresgid03_16
+setresgid04 setresgid04
+setresgid04_16 setresgid04_16
setresuid01 setresuid01
setresuid01_16 setresuid01_16
diff --git a/testcases/kernel/syscalls/.gitignore
b/testcases/kernel/syscalls/.gitignore
index 31d5c1f..184c1c1 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -819,6 +819,8 @@
/setresgid/setresgid02_16
/setresgid/setresgid03
/setresgid/setresgid03_16
+/setresgid/setresgid04
+/setresgid/setresgid04_16
/setresuid/setresuid01
/setresuid/setresuid01_16
/setresuid/setresuid02
diff --git a/testcases/kernel/syscalls/setresgid/setresgid04.c
b/testcases/kernel/syscalls/setresgid/setresgid04.c
new file mode 100644
index 0000000..0cd09bb
--- /dev/null
+++ b/testcases/kernel/syscalls/setresgid/setresgid04.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Zeng Linggang <zenglg...@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * Test Description:
+ * Verify that,
+ * File system GID is always set to the same value as the (possibly new)
+ * effective GID.
+ */
+
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <sys/stat.h>
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+
+char *TCID = "setresgid04";
+int TST_TOTAL = 1;
+static struct passwd *ltpuser;
+static void setup(void);
+static void setresgid_verify(void);
+static void cleanup(void);
+
+int main(int argc, char **argv)
+{
+ int i, lc;
+ char *msg;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+ for (i = 0; i < TST_TOTAL; i++)
+ setresgid_verify();
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ tst_require_root(NULL);
+
+ tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+ TEST_PAUSE;
+
+ tst_tmpdir();
+
+ ltpuser = SAFE_GETPWNAM(cleanup, "nobody");
+}
+
+static void setresgid_verify(void)
+{
+ struct stat buf;
+
+ TEST(setresgid(-1, ltpuser->pw_gid, -1));
+
+ if (TEST_RETURN != 0) {
+ tst_resm(TFAIL | TTERRNO, "setresgid failed unexpectedly");
+ return;
+ }
+
+ SAFE_TOUCH(cleanup, "test_file", 0644, NULL);
+
+ SAFE_STAT(cleanup, "test_file", &buf);
+
+ if (ltpuser->pw_gid == buf.st_gid) {
+ tst_resm(TPASS, "setresgid succeeded as expected");
+ } else {
+ tst_resm(TFAIL,
+ "setresgid failed unexpectedly; egid(%d) - st_gid(%d)",
+ ltpuser->pw_gid, buf.st_gid);
+ }
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+
+ tst_rmdir();
+}
--
1.8.4.2
------------------------------------------------------------------------------
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