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: llistxattr01
19 *
20 * Description:
21 * The testcase checks the basic functionality of the llistxattr(2).
22 * llistxattr(2) retrieves the list of extended attribute names
23 * associated with the link itself in the filesystem.
24 *
25 */
26
27 #include "config.h"
28 #include <errno.h>
29 #include <sys/types.h>
30 #include <string.h>
31
32 #ifdef HAVE_ATTR_XATTR_H
33 # include <attr/xattr.h>
34 #endif
35
36 #include "tst_test.h"
37
38 #ifdef HAVE_ATTR_XATTR_H
39
40 #define SECURITY_KEY1 "security.ltptest1"
41 #define SECURITY_KEY2 "security.ltptest2"
42 #define VALUE "test"
43 #define VALUE_SIZE 4
44 #define KEY_SIZE 17
45
set_xattr(const char * path,const char * key)46 static void set_xattr(const char *path, const char *key)
47 {
48 int n;
49
50 n = lsetxattr(path, key, VALUE, VALUE_SIZE, XATTR_CREATE);
51 if (n == -1) {
52 if (errno == ENOTSUP) {
53 tst_brk(TCONF,
54 "no xattr support in fs or mounted "
55 "without user_xattr option");
56 }
57
58 if (errno == EEXIST) {
59 tst_brk(TBROK, "exist attribute %s", key);
60 } else {
61 tst_brk(TBROK | TERRNO,
62 "lsetxattr() failed");
63 }
64 }
65 }
66
has_attribute(const char * list,int llen,const char * attr)67 static int has_attribute(const char *list, int llen, const char *attr)
68 {
69 int i;
70
71 for (i = 0; i < llen; i += strlen(list + i) + 1) {
72 if (!strcmp(list + i, attr))
73 return 1;
74 }
75 return 0;
76 }
77
verify_llistxattr(void)78 static void verify_llistxattr(void)
79 {
80 int size = 64;
81 char buf[size];
82
83 TEST(llistxattr("symlink", buf, size));
84 if (TEST_RETURN == -1) {
85 tst_res(TFAIL | TERRNO, "llistxattr() failed");
86 return;
87 }
88
89 if (has_attribute(buf, size, SECURITY_KEY1)) {
90 tst_res(TFAIL, "get file attribute %s unexpectlly",
91 SECURITY_KEY1);
92 return;
93 }
94
95 if (!has_attribute(buf, size, SECURITY_KEY2)) {
96 tst_res(TFAIL, "missing attribute %s", SECURITY_KEY2);
97 return;
98 }
99
100 tst_res(TPASS, "llistxattr() succeeded");
101 }
102
setup(void)103 static void setup(void)
104 {
105 SAFE_TOUCH("testfile", 0644, NULL);
106
107 SAFE_SYMLINK("testfile", "symlink");
108
109 set_xattr("testfile", SECURITY_KEY1);
110
111 set_xattr("symlink", SECURITY_KEY2);
112 }
113
114 static struct tst_test test = {
115 .tid = "llistxattr01",
116 .needs_tmpdir = 1,
117 .needs_root = 1,
118 .test_all = verify_llistxattr,
119 .setup = setup,
120 };
121
122 #else
123 TST_TEST_TCONF("<attr/xattr.h> does not exist.");
124 #endif /* HAVE_ATTR_XATTR_H */
125
126