In the user.* namespace, only regular files and directories can
have extended attributes. Otherwise getxattr(2) will return -1
and set errno to ENODATA.
There are 4 test cases:
1. Get attribute from a FIFO, setxattr(2) should return -1 and
set errno to ENODATA
2. Get attribute from a char special file, setxattr(2) should
return -1 and set errno to ENODATA
3. Get attribute from a block special file, setxattr(2) should
return -1 and set errno to ENODATA
4. Get attribute from a UNIX domain socket, setxattr(2) should
return -1 and set errno to ENODATA
Signed-off-by: Eryu Guan <[email protected]>
---
v2 -> v3:
Use Macro instead of char array for test file names
v1 -> v2:
Remove unnecessary variables
runtest/syscalls | 1 +
testcases/kernel/syscalls/getxattr/getxattr02.c | 152 +++++++++++++++++++++++
2 files changed, 153 insertions(+), 0 deletions(-)
create mode 100644 testcases/kernel/syscalls/getxattr/getxattr02.c
diff --git a/runtest/syscalls b/runtest/syscalls
index 8e36ec0..1442390 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -421,6 +421,7 @@ getuid03 getuid03
getuid03_16 getuid03_16
getxattr01 getxattr01
+getxattr02 getxattr02
#Needs tty device.
#ioctl01 ioctl01 -D /dev/tty0
diff --git a/testcases/kernel/syscalls/getxattr/getxattr02.c b/testcases/kernel/syscalls/getxattr/getxattr02.c
new file mode 100644
index 0000000..54d8949
--- /dev/null
+++ b/testcases/kernel/syscalls/getxattr/getxattr02.c
@@ -0,0 +1,152 @@
+/*
+ * 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.
+ */
+
+/*
+ * In the user.* namespace, only regular files and directories can
+ * have extended attributes. Otherwise getxattr(2) will return -1
+ * and set errno to ENODATA.
+ *
+ * There are 4 test cases:
+ * 1. Get attribute from a FIFO, setxattr(2) should return -1 and
+ * set errno to ENODATA
+ * 2. Get attribute from a char special file, setxattr(2) should
+ * return -1 and set errno to ENODATA
+ * 3. Get attribute from a block special file, setxattr(2) should
+ * return -1 and set errno to ENODATA
+ * 4. Get attribute from a UNIX domain socket, setxattr(2) should
+ * return -1 and set errno to ENODATA
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <attr/xattr.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "test.h"
+#include "usctest.h"
+
+#define XATTR_TEST_KEY "user.testkey"
+
+#define FIFO "getxattr02fifo"
+#define CHR "getxattr02chr"
+#define BLK "getxattr02blk"
+#define SOCK "getxattr02sock"
+
+static void setup(void);
+static void cleanup(void);
+
+char *TCID = "getxattr02";
+
+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 */
+};
+
+int TST_TOTAL = sizeof(tc) / sizeof(tc[0]);
+
+int main(int argc, char *argv[])
+{
+ int lc;
+ int i;
+ char *msg;
+ char buf[BUFSIZ];
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ Tst_count = 0;
+
+ for (i = 0; i < TST_TOTAL; i++) {
+ TEST(getxattr(tc[0], XATTR_TEST_KEY, buf, BUFSIZ));
+
+ if (TEST_RETURN == -1 && TEST_ERRNO == ENODATA) {
+ tst_resm(TPASS | TTERRNO, "expected behavior");
+ } else {
+ tst_resm(TFAIL | TTERRNO, "unexpected behavior"
+ " - expected errno %d - Got", ENODATA);
+ }
+ }
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ int fd;
+
+ tst_require_root(NULL);
+
+ tst_tmpdir();
+
+ /* Test for xattr support */
+ fd = creat("testfile", 0644);
+ if (fd == -1)
+ tst_brkm(TBROK | TERRNO, cleanup, "Create testfile failed");
+ 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);
+
+ if (mknod(CHR, S_IFCHR | 0777, 0) == -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;
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+ tst_rmdir();
+}
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