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 <fcntl.h>
18#include <unistd.h>
19#include <gtest/gtest.h>
20#include <linux/capability.h>
21#include <sys/capability.h>
22#include <sys/mman.h>
23#include <sys/types.h>
24
25using namespace testing::ext;
26using namespace std;
27
28static const int INVALID_VERSION = 0;
29static const int INVALID_PID = -1;
30static const int UNUSED_PID = 15464648;
31static pid_t g_pid;
32
33class CapSetApiTest : public testing::Test {
34public:
35    static void SetUpTestCase();
36    static void TearDownTestCase();
37    void SetUp();
38    void TearDown();
39private:
40};
41
42void CapSetApiTest::SetUp()
43{
44    g_pid = getpid();
45}
46
47void CapSetApiTest::TearDown()
48{
49}
50
51void CapSetApiTest::SetUpTestCase()
52{
53}
54
55void CapSetApiTest::TearDownTestCase()
56{
57}
58
59/*
60 * @tc.number : SUB_KERNEL_SYSCALL_CAPSET_0100
61 * @tc.name   : CapSetVersionSuccess_0001
62 * @tc.desc   : capset version 1 2 3 success.
63 * @tc.size   : MediumTest
64 * @tc.type   : Function
65 * @tc.level  : Level 1
66 */
67HWTEST_F(CapSetApiTest, CapSetVersionSuccess_0001, Function | MediumTest | Level1)
68{
69    struct __user_cap_header_struct hdr;
70    struct __user_cap_data_struct data[2];
71    hdr.pid = g_pid;
72
73    hdr.version = _LINUX_CAPABILITY_VERSION_1;
74    int ret = capset(&hdr, data);
75    EXPECT_TRUE(ret >= 0);
76
77    ret = -1;
78    hdr.version = _LINUX_CAPABILITY_VERSION_2;
79    ret = capset(&hdr, data);
80    EXPECT_TRUE(ret >= 0);
81
82    ret = -1;
83    hdr.version = _LINUX_CAPABILITY_VERSION_3;
84    ret = capset(&hdr, data);
85    EXPECT_TRUE(ret >= 0);
86}
87
88/*
89 * @tc.number : SUB_KERNEL_SYSCALL_CAPSET_0200
90 * @tc.name   : CapSetInvalidVersionFailed_0002
91 * @tc.desc   : capset invalid version return -1 errno EINVAL.
92 * @tc.size   : MediumTest
93 * @tc.type   : Function
94 * @tc.level  : Level 2
95 */
96HWTEST_F(CapSetApiTest, CapSetInvalidVersionFailed_0002, Function | MediumTest | Level2)
97{
98    struct __user_cap_header_struct hdr;
99    struct __user_cap_data_struct data[2];
100    hdr.pid = g_pid;
101
102    hdr.version = INVALID_VERSION;
103    errno = 0;
104    int ret = capset(&hdr, data);
105    EXPECT_EQ(ret, -1);
106    EXPECT_EQ(errno, EINVAL);
107}
108
109/*
110 * @tc.number : SUB_KERNEL_SYSCALL_CAPSET_0300
111 * @tc.name   : CapSetInvalidPidFailed_0003
112 * @tc.desc   : capset invalid g_pid return -1 errno EINVAL.
113 * @tc.size   : MediumTest
114 * @tc.type   : Function
115 * @tc.level  : Level 2
116 */
117HWTEST_F(CapSetApiTest, CapSetInvalidPidFailed_0003, Function | MediumTest | Level2)
118{
119    struct __user_cap_header_struct hdr;
120    struct __user_cap_data_struct data[2];
121    hdr.pid = INVALID_PID;
122    hdr.version = _LINUX_CAPABILITY_VERSION_2;
123
124    errno = 0;
125    int ret = capset(&hdr, data);
126    EXPECT_EQ(ret, -1);
127    EXPECT_EQ(errno, EPERM);
128}
129
130/*
131 * @tc.number : SUB_KERNEL_SYSCALL_CAPSET_0400
132 * @tc.name   : CapSetUnUsedPidFailed_0004
133 * @tc.desc   : capset unused g_pid return -1 errno ESRCH.
134 * @tc.size   : MediumTest
135 * @tc.type   : Function
136 * @tc.level  : Level 2
137 */
138HWTEST_F(CapSetApiTest, CapSetUnUsedPidFailed_0004, Function | MediumTest | Level2)
139{
140    struct __user_cap_header_struct hdr;
141    struct __user_cap_data_struct data[2];
142    hdr.pid = UNUSED_PID;
143    hdr.version = _LINUX_CAPABILITY_VERSION_2;
144
145    errno = 0;
146    int ret = capset(&hdr, data);
147    EXPECT_EQ(ret, -1);
148    EXPECT_EQ(errno, EPERM);
149}
150
151/*
152 * @tc.number : SUB_KERNEL_SYSCALL_CAPSET_0500
153 * @tc.name   : CapSetInvalidAddressFailed_0005
154 * @tc.desc   : capset invalid address return -1 errno EFAULT.
155 * @tc.size   : MediumTest
156 * @tc.type   : Function
157 * @tc.level  : Level 2
158 */
159HWTEST_F(CapSetApiTest, CapSetInvalidAddressFailed_0005, Function | MediumTest | Level2)
160{
161    struct __user_cap_data_struct data[2];
162
163    errno = 0;
164    int ret = capset(nullptr, data);
165    EXPECT_EQ(ret, -1);
166    EXPECT_EQ(errno, EFAULT);
167}