[v2] Port `getxattr02.c` to new test API

diff --git a/testcases/kernel/syscalls/getxattr/getxattr02.c b/testcases/kernel/syscalls/getxattr/getxattr02.c
index a42057d0a..4060d55f7 100644
--- a/testcases/kernel/syscalls/getxattr/getxattr02.c
+++ b/testcases/kernel/syscalls/getxattr/getxattr02.c
@@ -1,28 +1,12 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * 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.
+ * Copyright (C) 2011  Red Hat, Inc.
+ * Copyright (c) 2023 Marius Kittler <mkittler@suse.de>
  */
 
-/*
+/*\
+ * [Description]
+ *
  * In the user.* namespace, only regular files and directories can
  * have extended attributes. Otherwise getxattr(2) will return -1
  * and set errno to ENODATA.
@@ -40,25 +24,17 @@ 
 
 #include "config.h"
 #include <sys/types.h>
-#include <sys/stat.h>
 #include <sys/sysmacros.h>
-#include <sys/wait.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #ifdef HAVE_SYS_XATTR_H
 # include <sys/xattr.h>
 #endif
-#include "test.h"
-#include "safe_macros.h"
 
-char *TCID = "getxattr02";
+#include "tst_test.h"
+#include "tst_test_macros.h"
 
-#ifdef HAVE_SYS_XATTR_H
+#define MNTPOINT "mntpoint"
 #define XATTR_TEST_KEY "user.testkey"
 
 #define FIFO "getxattr02fifo"
@@ -66,94 +42,95 @@  char *TCID = "getxattr02";
 #define BLK  "getxattr02blk"
 #define SOCK "getxattr02sock"
 
-static void setup(void);
-static void cleanup(void);
+static char *workdir;
 
-static char *tc[] = {
-	FIFO,			/* case 00, get attr from fifo */
-	CHR,			/* case 01, get attr from char special */
-	BLK,			/* case 02, get attr from block special */
-	SOCK,			/* case 03, get attr from UNIX domain socket */
+struct test_case {
+	char *fname;
+	int mode;
+};
+struct test_case tcases[] = {
+	{ /* case 00, get attr from fifo */
+	 .fname = FIFO,
+	 .mode = S_IFIFO,
+	},
+	{ /* case 01, get attr from char special */
+	 .fname = CHR,
+	 .mode = S_IFCHR,
+	},
+	{ /* case 02, get attr from block special */
+	 .fname = BLK,
+	 .mode = S_IFBLK,
+	},
+	{ /* case 03, get attr from UNIX domain socket */
+	 .fname = SOCK,
+	 .mode = S_IFSOCK,
+	},
 };
 
-int TST_TOTAL = sizeof(tc) / sizeof(tc[0]);
-
-int main(int argc, char *argv[])
+static void run(unsigned int i)
 {
-	int lc;
-	int i;
-	int exp_eno;
-	char buf[BUFSIZ];
-
-	tst_parse_opts(argc, argv, NULL, NULL);
-
-	setup();
-
-	for (lc = 0; TEST_LOOPING(lc); lc++) {
-		tst_count = 0;
-		exp_eno = ENODATA;
-
-		for (i = 0; i < TST_TOTAL; i++) {
-			TEST(getxattr(tc[0], XATTR_TEST_KEY, buf, BUFSIZ));
-
-			if (TEST_RETURN == -1 && TEST_ERRNO == exp_eno)
-				tst_resm(TPASS | TTERRNO, "expected behavior");
-			else
-				tst_resm(TFAIL | TTERRNO, "unexpected behavior"
-					 " - expected errno %d - Got", exp_eno);
+#ifdef HAVE_SYS_XATTR_H
+	SAFE_CHDIR(workdir);
+
+	/* test for xattr support in the current filesystem */
+	if (i == 0) {
+		int fd = SAFE_CREAT("testfile", 0644);
+		close(fd);
+		TEST(setxattr("testfile", "user.test", "test", 4, XATTR_CREATE));
+		if (TST_RET < 0) {
+			if (TST_ERR == ENOTSUP)
+				tst_brk(TCONF, "no xattr support in filesystem");
+			tst_brk(TBROK | TTERRNO, "unexpected setxattr() return code");
+			return;
 		}
+		unlink("testfile");
 	}
 
-	cleanup();
-	tst_exit();
+	/* create test file */
+	struct test_case *tc = &tcases[i];
+	dev_t dev = tc->mode == S_IFCHR ? makedev(1, 3) : 0u;
+	if (mknod(tc->fname, tc->mode | 0777, dev) < 0)
+		tst_brk(TBROK | TERRNO, "create %s (mode %i) failed", tc->fname, tc->mode);
+
+	int exp_eno = ENODATA;
+	char buf[BUFSIZ];
+	TEST(getxattr(tc->fname, XATTR_TEST_KEY, buf, BUFSIZ));
+	if (TST_RET == -1 && TST_ERR == exp_eno)
+		tst_res(TPASS | TTERRNO, "expected return value");
+	else
+		tst_res(TFAIL | TTERRNO, "unexpected return value"
+				" - expected errno %d - got", exp_eno);
+#endif
 }
 
 static void setup(void)
 {
-	int fd;
-	dev_t dev;
-
-	tst_require_root();
-
-	tst_tmpdir();
-
-	/* Test for xattr support */
-	fd = SAFE_CREAT(cleanup, "testfile", 0644);
-	close(fd);
-	if (setxattr("testfile", "user.test", "test", 4, XATTR_CREATE) == -1)
-		if (errno == ENOTSUP)
-			tst_brkm(TCONF, cleanup, "No xattr support in fs or "
-				 "mount without user_xattr option");
-	unlink("testfile");
-
-	/* Create test files */
-	if (mknod(FIFO, S_IFIFO | 0777, 0) == -1)
-		tst_brkm(TBROK | TERRNO, cleanup, "Create FIFO(%s) failed",
-			 FIFO);
-
-	dev = makedev(1, 3);
-	if (mknod(CHR, S_IFCHR | 0777, dev) == -1)
-		tst_brkm(TBROK | TERRNO, cleanup, "Create char special(%s)"
-			 " failed", CHR);
-
-	if (mknod(BLK, S_IFBLK | 0777, 0) == -1)
-		tst_brkm(TBROK | TERRNO, cleanup, "Create block special(%s)"
-			 " failed", BLK);
-
-	if (mknod(SOCK, S_IFSOCK | 0777, 0) == -1)
-		tst_brkm(TBROK | TERRNO, cleanup, "Create socket(%s) failed",
-			 SOCK);
-
-	TEST_PAUSE;
+#ifdef HAVE_SYS_XATTR_H
+	char *cwd = SAFE_GETCWD(NULL, 0);
+	workdir = SAFE_MALLOC(strlen(cwd) + strlen(MNTPOINT) + 2);
+	sprintf(workdir, "%s/%s", cwd, MNTPOINT);
+	free(cwd);
+#else
+	tst_brk(TCONF, "<sys/xattr.h> does not exist.");
+#endif
 }
 
-static void cleanup(void)
-{
-	tst_rmdir();
-}
-#else /* HAVE_SYS_XATTR_H */
-int main(int argc, char *argv[])
-{
-	tst_brkm(TCONF, NULL, "<sys/xattr.h> does not exist.");
-}
+static struct tst_test test = {
+#ifdef HAVE_SYS_XATTR_H
+	.all_filesystems = 1,
+	.needs_root = 1,
+	.mntpoint = MNTPOINT,
+	.mount_device = 1,
+	.skip_filesystems = (const char *const []) {
+			"exfat",
+			"tmpfs",
+			"ramfs",
+			"nfs",
+			"vfat",
+			NULL
+	},
 #endif
+	.setup = setup,
+	.test = run,
+	.tcnt = ARRAY_SIZE(tcases)
+};