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
25 using namespace testing::ext;
26 using namespace std;
27
28 static const int INVALID_VERSION = 0;
29 static const int INVALID_PID = -1;
30 static const int UNUSED_PID = 15464648;
31 static pid_t g_pid;
32
33 class CapSetApiTest : public testing::Test {
34 public:
35 static void SetUpTestCase();
36 static void TearDownTestCase();
37 void SetUp();
38 void TearDown();
39 private:
40 };
41
SetUp()42 void CapSetApiTest::SetUp()
43 {
44 g_pid = getpid();
45 }
46
TearDown()47 void CapSetApiTest::TearDown()
48 {
49 }
50
SetUpTestCase()51 void CapSetApiTest::SetUpTestCase()
52 {
53 }
54
TearDownTestCase()55 void 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 */
HWTEST_F(CapSetApiTest, CapSetVersionSuccess_0001, Function | MediumTest | Level1)67 HWTEST_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 */
HWTEST_F(CapSetApiTest, CapSetInvalidVersionFailed_0002, Function | MediumTest | Level2)96 HWTEST_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 */
HWTEST_F(CapSetApiTest, CapSetInvalidPidFailed_0003, Function | MediumTest | Level2)117 HWTEST_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 */
HWTEST_F(CapSetApiTest, CapSetUnUsedPidFailed_0004, Function | MediumTest | Level2)138 HWTEST_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 */
HWTEST_F(CapSetApiTest, CapSetInvalidAddressFailed_0005, Function | MediumTest | Level2)159 HWTEST_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 }