1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <fcntl.h>
18 #include <sys/types.h>
19 #include <sys/xattr.h>
20
21 #include <android-base/file.h>
22 #include <gtest/gtest.h>
23
24 #include "utils.h"
25
TEST(sys_xattr,setxattr)26 TEST(sys_xattr, setxattr) {
27 TemporaryFile tf;
28 char buf[10];
29 ASSERT_EQ(0, setxattr(tf.path, "user.foo", "bar", 4, 0));
30 ASSERT_EQ(4, getxattr(tf.path, "user.foo", buf, sizeof(buf)));
31 ASSERT_STREQ("bar", buf);
32 buf[0] = '\0';
33 ASSERT_EQ(4, lgetxattr(tf.path, "user.foo", buf, sizeof(buf)));
34 ASSERT_STREQ("bar", buf);
35 }
36
TEST(sys_xattr,fsetxattr)37 TEST(sys_xattr, fsetxattr) {
38 TemporaryFile tf;
39 char buf[10];
40 ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
41 ASSERT_EQ(4, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
42 ASSERT_STREQ("bar", buf);
43 }
44
TEST(sys_xattr,fsetxattr_zerobuf)45 TEST(sys_xattr, fsetxattr_zerobuf) {
46 TemporaryFile tf;
47 char buf[10];
48 ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "", 0, 0));
49 ASSERT_EQ(0, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
50 }
51
TEST(sys_xattr,fsetxattr_toosmallbuf)52 TEST(sys_xattr, fsetxattr_toosmallbuf) {
53 TemporaryFile tf;
54 char buf[10];
55 ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "01234567890123456789", 21, 0));
56 ASSERT_EQ(-1, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
57 ASSERT_ERRNO(ERANGE);
58 }
59
TEST(sys_xattr,fsetxattr_invalid_fd)60 TEST(sys_xattr, fsetxattr_invalid_fd) {
61 char buf[10];
62 errno = 0;
63 ASSERT_EQ(-1, fsetxattr(-1, "user.foo", "0123", 5, 0));
64 ASSERT_ERRNO(EBADF);
65 errno = 0;
66 ASSERT_EQ(-1, fgetxattr(-1, "user.foo", buf, sizeof(buf)));
67 ASSERT_ERRNO(EBADF);
68 }
69
TEST(sys_xattr,fsetxattr_with_opath)70 TEST(sys_xattr, fsetxattr_with_opath) {
71 TemporaryFile tf;
72 int fd = open(tf.path, O_PATH);
73 ASSERT_NE(-1, fd);
74
75 int res = fsetxattr(fd, "user.foo", "bar", 4, 0);
76 #if defined(__BIONIC__)
77 char buf[10];
78 ASSERT_EQ(0, res);
79 ASSERT_EQ(4, fgetxattr(fd, "user.foo", buf, sizeof(buf)));
80 ASSERT_STREQ("bar", buf);
81 #else
82 ASSERT_EQ(-1, res);
83 ASSERT_ERRNO(EBADF);
84 #endif
85 close(fd);
86 }
87
TEST(sys_xattr,fsetxattr_with_opath_toosmall)88 TEST(sys_xattr, fsetxattr_with_opath_toosmall) {
89 TemporaryFile tf;
90 int fd = open(tf.path, O_PATH);
91 ASSERT_NE(-1, fd);
92
93 int res = fsetxattr(fd, "user.foo", "01234567890123456789", 21, 0);
94 #if defined(__BIONIC__)
95 char buf[10];
96 ASSERT_EQ(0, res);
97 ASSERT_EQ(-1, fgetxattr(fd, "user.foo", buf, sizeof(buf)));
98 ASSERT_ERRNO(ERANGE);
99 #else
100 ASSERT_EQ(-1, res);
101 ASSERT_ERRNO(EBADF);
102 #endif
103 close(fd);
104 }
105
TEST(sys_xattr,flistattr)106 TEST(sys_xattr, flistattr) {
107 TemporaryFile tf;
108 char buf[65536]; // 64kB is max possible xattr list size. See "man 7 xattr".
109 ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
110 ssize_t result = flistxattr(tf.fd, buf, sizeof(buf));
111 ASSERT_TRUE(result >= 9);
112 ASSERT_TRUE(memmem(buf, sizeof(buf), "user.foo", 9) != nullptr);
113 }
114
TEST(sys_xattr,flistattr_opath)115 TEST(sys_xattr, flistattr_opath) {
116 TemporaryFile tf;
117 char buf[65536]; // 64kB is max possible xattr list size. See "man 7 xattr".
118 ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
119 int fd = open(tf.path, O_PATH);
120 ASSERT_NE(-1, fd);
121 ssize_t res = flistxattr(fd, buf, sizeof(buf));
122 #if defined(__BIONIC__)
123 ASSERT_TRUE(res >= 9);
124 ASSERT_TRUE(static_cast<size_t>(res) <= sizeof(buf));
125 ASSERT_TRUE(memmem(buf, res, "user.foo", 9) != nullptr);
126 #else
127 ASSERT_EQ(-1, res);
128 ASSERT_ERRNO(EBADF);
129 #endif
130 close(fd);
131 }
132
TEST(sys_xattr,flistattr_invalid_fd)133 TEST(sys_xattr, flistattr_invalid_fd) {
134 char buf[65536]; // 64kB is max possible xattr list size. See "man 7 xattr".
135 errno = 0;
136 ASSERT_EQ(-1, flistxattr(-1, buf, sizeof(buf)));
137 ASSERT_ERRNO(EBADF);
138 }
139