1 /*
2  * Copyright (C) 2024 HiHope Open Source Organization.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <cerrno>
17 #include <cstdio>
18 #include <cstdlib>
19 #include <string>
20 #include <vector>
21 #include <fcntl.h>
22 #include <unistd.h>
23 #include <gtest/gtest.h>
24 #include <sys/file.h>
25 #include <sys/stat.h>
26 #include <sys/types.h>
27 #include <sys/xattr.h>
28 #include "securec.h"
29 
30 using namespace testing::ext;
31 using namespace std;
32 
33 #define BUFFER_SIZE 128
34 static const char *TEST_FILE = "/data/local/tmp/fgetxattr.txt";
35 mode_t MODE_0644 = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
36 mode_t MODE_0400 = S_IRUSR;
37 static const char *XATTR_NAME = "user.author";
38 static const char *AUTHOR_NAME = "sun";
39 size_t g_length = strlen(AUTHOR_NAME) + 1;
40 
41 class FgetxattrApiTest : public testing::Test {
42 public:
43     static void SetUpTestCase();
44     static void TearDownTestCase();
45     void SetUp();
46     void TearDown();
47 private:
48 };
SetUp()49 void FgetxattrApiTest::SetUp()
50 {
51 }
TearDown()52 void FgetxattrApiTest::TearDown()
53 {
54 }
SetUpTestCase()55 void FgetxattrApiTest::SetUpTestCase()
56 {
57 }
TearDownTestCase()58 void FgetxattrApiTest::TearDownTestCase()
59 {
60 }
61 
62 /*
63  * @tc.number : SUB_KERNEL_SYSCALL_FGETXATTR_0100
64  * @tc.name   : FgetxattrValidFdAttrSuccess_0001
65  * @tc.desc   : fgetxattr get valid file attribute success.
66  * @tc.size   : MediumTest
67  * @tc.type   : Function
68  * @tc.level  : Level 1
69  */
HWTEST_F(FgetxattrApiTest, FgetxattrValidFdAttrSuccess_0001, Function | MediumTest | Level1)70 HWTEST_F(FgetxattrApiTest, FgetxattrValidFdAttrSuccess_0001, Function | MediumTest | Level1)
71 {
72     ssize_t ret = -1;
73     char buf[BUFFER_SIZE] = {0};
74     int fd = open(TEST_FILE, O_RDWR | O_CREAT, MODE_0644);
75     EXPECT_TRUE(fd > 0);
76     ret = setxattr(TEST_FILE, XATTR_NAME, AUTHOR_NAME, g_length, 0);
77     EXPECT_EQ(ret, 0);
78     ret = fgetxattr(fd, XATTR_NAME, buf, g_length);
79     EXPECT_EQ(ret, g_length);
80     EXPECT_STREQ(buf, AUTHOR_NAME);
81 
82     close(fd);
83     remove(TEST_FILE);
84 }
85 
86 /*
87  * @tc.number : SUB_KERNEL_SYSCALL_FGETXATTR_0200
88  * @tc.name   : FgetxattrInvalidFdAttrFail_0002
89  * @tc.desc   : fgetxattr get invalid fd attribute fail, errno EBADF.
90  * @tc.size   : MediumTest
91  * @tc.type   : Function
92  * @tc.level  : Level 2
93  */
HWTEST_F(FgetxattrApiTest, FgetxattrInvalidFdAttrFail_0002, Function | MediumTest | Level2)94 HWTEST_F(FgetxattrApiTest, FgetxattrInvalidFdAttrFail_0002, Function | MediumTest | Level2)
95 {
96     ssize_t ret = -1;
97     int invalidFd = -1;
98     char buf[BUFFER_SIZE] = {0};
99     errno = 0;
100     ret = fgetxattr(invalidFd, XATTR_NAME, buf, sizeof(buf));
101     EXPECT_EQ(ret, -1);
102     EXPECT_EQ(errno, EBADF);
103 }
104 
105 /*
106  * @tc.number : SUB_KERNEL_SYSCALL_FGETXATTR_0300
107  * @tc.name   : FgetxattrNonExistFileAttrFail_0003
108  * @tc.desc   : fgetxattr get non-exist file attribute fail, errno ENODATA.
109  * @tc.size   : MediumTest
110  * @tc.type   : Function
111  * @tc.level  : Level 2
112  */
HWTEST_F(FgetxattrApiTest, FgetxattrNonExistFileAttrFail_0003, Function | MediumTest | Level2)113 HWTEST_F(FgetxattrApiTest, FgetxattrNonExistFileAttrFail_0003, Function | MediumTest | Level2)
114 {
115     ssize_t ret = -1;
116     char buf[BUFFER_SIZE] = {0};
117     int fd = open(TEST_FILE, O_RDWR | O_CREAT, MODE_0644);
118     EXPECT_TRUE(fd > 0);
119 
120     errno = 0;
121     ret = fgetxattr(fd, XATTR_NAME, buf, g_length);
122     EXPECT_EQ(ret, -1);
123     EXPECT_EQ(errno, ENODATA);
124 
125     close(fd);
126     remove(TEST_FILE);
127 }
128 
129 /*
130  * @tc.number : SUB_KERNEL_SYSCALL_FGETXATTR_0400
131  * @tc.name   : FgetxattrGetShorterAttrFail_0004
132  * @tc.desc   : fgetxattr get file specific attribute length short than actual fail, errno ERANGE.
133  * @tc.size   : MediumTest
134  * @tc.type   : Function
135  * @tc.level  : Level 2
136  */
HWTEST_F(FgetxattrApiTest, FgetxattrAttrFail_0004, Function | MediumTest | Level2)137 HWTEST_F(FgetxattrApiTest, FgetxattrAttrFail_0004, Function | MediumTest | Level2)
138 {
139     ssize_t ret = -1;
140     char buf[BUFFER_SIZE] = {0};
141     int fd = open(TEST_FILE, O_RDWR | O_CREAT, MODE_0644);
142     EXPECT_TRUE(fd > 0);
143     ret = setxattr(TEST_FILE, XATTR_NAME, AUTHOR_NAME, g_length, 0);
144     EXPECT_EQ(ret, 0);
145     errno = 0;
146     ret = fgetxattr(fd, XATTR_NAME, buf, 1);
147     EXPECT_EQ(ret, -1);
148     EXPECT_STRNE(buf, AUTHOR_NAME);
149     EXPECT_EQ(errno, ERANGE);
150 
151     close(fd);
152     remove(TEST_FILE);
153 }
154