1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
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 #include "common_test.h"
16 #include <limits>
17 #include <sys/xattr.h>
18 #include <sys/wait.h>
19 #include "base.h"
20
21 using namespace testing::ext;
22
23 namespace Hdc {
SetUpTestCase()24 void HdcMainTest::SetUpTestCase() {}
TearDownTestCase()25 void HdcMainTest::TearDownTestCase() {}
SetUp()26 void HdcMainTest::SetUp()
27 {
28 #ifdef UT_DEBUG
29 Base::SetLogLevel(LOG_ALL);
30 #else
31 Base::SetLogLevel(LOG_OFF);
32 #endif
33 }
TearDown()34 void HdcMainTest::TearDown() {}
35
TestIsHishellLabel(pid_t pid)36 bool HdcMainTest::TestIsHishellLabel(pid_t pid)
37 {
38 if (pid == 0) {
39 return false;
40 }
41 // static path
42 std::stringstream ss;
43 ss << "/proc/" << pid << "/attr/current";
44 std::string cmd = ss.str();
45 const char *pathBuf = cmd.c_str();
46 const char* attrName = "security.selinux";
47 // get attribute size
48 ssize_t attrSize = getxattr(pathBuf, attrName, nullptr, 0);
49 if (attrSize <= 0 || attrSize >= std::numeric_limits<size_t>::max()) {
50 return false;
51 }
52 char *attrValue = new(std::nothrow) char[attrSize];
53 if (attrValue == nullptr) {
54 return false;
55 }
56 // get attribute value
57 if (getxattr(pathBuf, attrName, attrValue, attrSize) == -1) {
58 delete []attrValue;
59 return false;
60 }
61 string label(attrValue, attrSize - 1);
62 delete []attrValue;
63 return label == "u:r:hishell_hap:s0";
64 }
65
66 HWTEST_F(HdcMainTest, TestIsHishell_1, TestSize.Level0)
67 {
68 EXPECT_FALSE(TestIsHishellLabel(0));
69 }
70
71 HWTEST_F(HdcMainTest, TestIsHishell_2, TestSize.Level0)
72 {
73 pid_t pid = fork();
74 ASSERT_GT(pid, 0);
75 if (pid == 0) {
76 pause();
77 } else {
78 // parent process
79 kill(pid, SIGUSR1);
80 EXPECT_TRUE(TestIsHishellLabel(pid));
81 }
82 }
83
84 HWTEST_F(HdcMainTest, TestIsHishell_3, TestSize.Level0)
85 {
86 pid_t pid = fork();
87 ASSERT_GT(pid, 0);
88 if (pid == 0) {
89 pause();
90 } else {
91 // parent process
92 kill(pid, SIGUSR1);
93 EXPECT_TRUE(TestIsHishellLabel(pid));
94 }
95 }
96
97 HWTEST_F(HdcMainTest, TestIsHishell_4, TestSize.Level0)
98 {
99 pid_t pid = fork();
100 ASSERT_GT(pid, 0);
101 if (pid == 0) {
102 pause();
103 } else {
104 // parent process
105 kill(pid, SIGUSR1);
106 EXPECT_TRUE(TestIsHishellLabel(pid));
107 }
108 }
109 }