1 /*
2 * Copyright (c) 2016 Fujitsu Ltd.
3 * Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 *
13 * You should have received a copy of the GNU General Public License
14 * alone with this program.
15 */
16 
17 /*
18 * Test Name: removexattr01
19 *
20 * Description:
21 * The testcase checks the basic functionality of the removexattr(2).
22 * removexattr(2) removes the extended attribute identified by
23 * name and associated with the given path in the filesystem.
24 */
25 
26 #include "config.h"
27 #include <errno.h>
28 #include <sys/types.h>
29 
30 #ifdef HAVE_SYS_XATTR_H
31 # include <sys/xattr.h>
32 #endif
33 
34 #include "test.h"
35 #include "safe_macros.h"
36 
37 char *TCID = "removexattr01";
38 
39 #ifdef HAVE_SYS_XATTR_H
40 #define USER_KEY	"user.test"
41 #define VALUE	"test"
42 #define VALUE_SIZE	(sizeof(VALUE) - 1)
43 
44 static void verify_removexattr(void);
45 static void setup(void);
46 static void cleanup(void);
47 
48 int TST_TOTAL = 1;
49 
50 int main(int ac, char **av)
51 {
52 	int lc;
53 
54 	tst_parse_opts(ac, av, NULL, NULL);
55 
56 	setup();
57 
58 	for (lc = 0; TEST_LOOPING(lc); lc++) {
59 		tst_count = 0;
60 
61 		verify_removexattr();
62 	}
63 
64 	cleanup();
65 	tst_exit();
66 }
67 
68 static void verify_removexattr(void)
69 {
70 	int n;
71 	int size = 64;
72 	char buf[size];
73 
74 	n = setxattr("testfile", USER_KEY, VALUE, VALUE_SIZE, XATTR_CREATE);
75 	if (n == -1) {
76 		if (errno == ENOTSUP) {
77 			tst_brkm(TCONF, cleanup, "no xattr support in fs or "
78 				 "mounted without user_xattr option");
79 		} else {
80 			tst_brkm(TFAIL | TERRNO, cleanup, "setxattr() failed");
81 		}
82 	}
83 
84 	TEST(removexattr("testfile", USER_KEY));
85 	if (TEST_RETURN != 0) {
86 		tst_resm(TFAIL | TTERRNO, "removexattr() failed");
87 		return;
88 	}
89 
90 	n = getxattr("testfile", USER_KEY, buf, size);
91 	if (n != -1) {
92 		tst_resm(TFAIL, "getxattr() succeeded for deleted key");
93 		return;
94 	}
95 
96 	if (errno != ENODATA) {
97 		tst_resm(TFAIL | TTERRNO, "getxattr() failed unexpectedly");
98 	} else {
99 		tst_resm(TPASS, "removexattr() succeeded");
100 	}
101 }
102 
103 static void setup(void)
104 {
105 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
106 
107 	TEST_PAUSE;
108 
109 	tst_tmpdir();
110 
111 	SAFE_TOUCH(cleanup, "testfile", 0644, NULL);
112 }
113 
114 static void cleanup(void)
115 {
116 	tst_rmdir();
117 }
118 
119 #else /* HAVE_SYS_XATTR_H */
120 int main(int ac, char **av)
121 {
122 	tst_brkm(TCONF, NULL, "<sys/xattr.h> does not exist.");
123 }
124 #endif
125