[LTP] [PATCH v2] setreuid01.c: Rewrite using new LTP API and use TST_EXP* macros

[Avinesh Kumar]

Signed-off-by: Avinesh Kumar <akumar@suse.de>
---
 .../kernel/syscalls/setreuid/setreuid01.c     | 194 +++---------------
 1 file changed, 29 insertions(+), 165 deletions(-)

diff --git a/testcases/kernel/syscalls/setreuid/setreuid01.c b/testcases/kernel/syscalls/setreuid/setreuid01.c
index 54ba2d7a8..bbf29d360 100644
--- a/testcases/kernel/syscalls/setreuid/setreuid01.c
+++ b/testcases/kernel/syscalls/setreuid/setreuid01.c
@@ -1,176 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
- *
- * 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.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * 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.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
- *
- * Author: William Roske
- * Co-pilot: Dave Fenner
+ *	Author: William Roske
+ *	Co-pilot: Dave Fenner
+ * Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
  */
 
-/*
- * Testcase to test the basic functionality of setreuid(2) system call.
+/*\
+ * [Description]
+ *
+ * Verify the basic functionality of setreuid(2) system call when executed
+ * as non-root user.
  */
 
-#include <errno.h>
-#include <string.h>
-#include <signal.h>
-#include <sys/types.h>
+#include "tst_test.h"
+#include "compat_tst_16.h"
 
-#include "test.h"
-#include "compat_16.h"
+static uid_t ruid, euid;
 
-static void setup(void);
-static void cleanup(void);
-
-TCID_DEFINE(setreuid01);
-int TST_TOTAL = 5;
-
-static uid_t ruid, euid;	/* real and effective user ids */
-
-int main(int ac, char **av)
+static void run(void)
 {
-	int lc;
-
-	tst_parse_opts(ac, av, NULL, NULL);
-
-	setup();
-
-	for (lc = 0; TEST_LOOPING(lc); lc++) {
-
-		tst_count = 0;
-
-		/*
-		 * TEST CASE:
-		 *  Don't change either real or effective uid
-		 */
-		ruid = getuid();	/* get real uid */
-		UID16_CHECK(ruid, setreuid, cleanup);
-
-		euid = geteuid();	/* get effective uid */
-		UID16_CHECK(euid, setreuid, cleanup);
-
-		TEST(SETREUID(cleanup, -1, -1));
-
-		if (TEST_RETURN == -1) {
-			tst_resm(TFAIL,
-				 "setreuid -  Don't change either real or effective uid failed, errno=%d : %s",
-				 TEST_ERRNO, strerror(TEST_ERRNO));
-		} else {
-			tst_resm(TPASS,
-				 "setreuid -  Don't change either real or effective uid returned %ld",
-				 TEST_RETURN);
-		}
-
-		/*
-		 * TEST CASE:
-		 *  change effective to effective uid
-		 */
-
-		TEST(SETREUID(cleanup, -1, euid));
-
-		if (TEST_RETURN == -1) {
-			tst_resm(TFAIL,
-				 "setreuid -  change effective to effective uid failed, errno=%d : %s",
-				 TEST_ERRNO, strerror(TEST_ERRNO));
-		} else {
-			tst_resm(TPASS,
-				 "setreuid -  change effective to effective uid returned %ld",
-				 TEST_RETURN);
-		}
-
-		/*
-		 * TEST CASE:
-		 *  change real to real uid
-		 */
-
-		TEST(SETREUID(cleanup, ruid, -1));
-
-		if (TEST_RETURN == -1) {
-			tst_resm(TFAIL,
-				 "setreuid -  change real to real uid failed, errno=%d : %s",
-				 TEST_ERRNO, strerror(TEST_ERRNO));
-		} else {
-			tst_resm(TPASS,
-				 "setreuid -  change real to real uid returned %ld",
-				 TEST_RETURN);
-		}
-
-		/*
-		 * TEST CASE:
-		 *  change effective to real uid
-		 */
-
-		TEST(SETREUID(cleanup, -1, ruid));
-
-		if (TEST_RETURN == -1) {
-			tst_resm(TFAIL,
-				 "setreuid -  change effective to real uid failed, errno=%d : %s",
-				 TEST_ERRNO, strerror(TEST_ERRNO));
-		} else {
-			tst_resm(TPASS,
-				 "setreuid -  change effective to real uid returned %ld",
-				 TEST_RETURN);
-		}
-
-		/*
-		 * TEST CASE:
-		 *  try to change real to current real
-		 */
-
-		TEST(SETREUID(cleanup, ruid, ruid));
-
-		if (TEST_RETURN == -1) {
-			tst_resm(TFAIL,
-				 "setreuid -  try to change real to current real failed, errno=%d : %s",
-				 TEST_ERRNO, strerror(TEST_ERRNO));
-		} else {
-			tst_resm(TPASS,
-				 "setreuid -  try to change real to current real returned %ld",
-				 TEST_RETURN);
-		}
-
-	}
-
-	cleanup();
-	tst_exit();
-}
-
-static void setup(void)
-{
-	tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
-	TEST_PAUSE;
-
-	tst_tmpdir();
+	ruid = getuid();
+	UID16_CHECK(ruid, setreuid);
+
+	euid = geteuid();
+	UID16_CHECK(euid, setreuid);
+
+	TST_EXP_PASS(setreuid(-1, -1));
+	TST_EXP_PASS(setreuid(-1, euid));
+	TST_EXP_PASS(setreuid(ruid, -1));
+	TST_EXP_PASS(setreuid(-1, ruid));
+	TST_EXP_PASS(setreuid(euid, -1));
+	TST_EXP_PASS(setreuid(euid, euid));
+	TST_EXP_PASS(setreuid(ruid, ruid));
 }
 
-static void cleanup(void)
-{
-	tst_rmdir();
-}
+static struct tst_test test = {
+	.test_all = run
+};
-- 
2.39.0