1 /*
2 * Copyright (c) 2022 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
16 #include <unistd.h>
17 #include <stdlib.h>
18 #include "functionalext.h"
19
20 char *my_env[] = {"THIS=environment will be", "PASSED=to new process by", "the EXEC=functions", NULL};
21
22 /**
23 * @tc.name : execvpe_0100
24 * @tc.desc : Verify that the specified file can be executed
25 * (all parameters are valid, PATH is not empty by default)
26 * @tc.level : Level 0
27 */
execvpe_0100(void)28 void execvpe_0100(void)
29 {
30 char *path = getenv("touch");
31 pid_t fpid;
32 fpid = fork();
33 if (fpid == 0) {
34 char *argv[] = {"touch", "touch", "/data/test.txt", 0};
35 int result = execvpe("touch", argv, &path);
36 EXPECT_NE("execvpe_0100", result, -1);
37 }
38
39 sleep(1);
40 FILE *fptr = fopen("/data/test.txt", "r");
41 EXPECT_PTRNE("execvpe_0100", fptr, NULL);
42 fclose(fptr);
43 remove("/data/test.txt");
44 }
45
46 /**
47 * @tc.name : execvpe_0200
48 * @tc.desc : Verify that the specified file can be executed (all parameters are valid, PATH is null)
49 * @tc.level : Level 0
50 */
execvpe_0200(void)51 void execvpe_0200(void)
52 {
53 char *path = getenv("touch");
54 setenv("touch", "\0", 1);
55 pid_t fpid;
56 fpid = fork();
57 if (fpid == 0) {
58 char *argv[] = {"touch", "touch", "/data/test.txt", 0};
59 int result = execvpe("touch", argv, &path);
60 EXPECT_NE("execvpe_0100", result, -1);
61 }
62
63 sleep(1);
64 FILE *fptr = fopen("/data/test.txt", "r");
65 EXPECT_PTRNE("execvpe_0100", fptr, NULL);
66
67 fclose(fptr);
68 remove("/data/test.txt");
69 unsetenv("touch");
70 }
71
72 /**
73 * @tc.name : execvpe_0300
74 * @tc.desc : Verify that the specified file cannot be executed (file argument is invalid, file
75 * argument points to NULL)
76 * @tc.level : Level 2
77 */
execvpe_0300(void)78 void execvpe_0300(void)
79 {
80 char buff[] = "\0";
81 char *argv[] = {"ls", "-al", "/etc/passwd", 0};
82 int result = execvpe(buff, argv, my_env);
83 EXPECT_EQ("execvpe_0300", result, -1);
84 }
85
86 /**
87 * @tc.name : execvpe_0400
88 * @tc.desc : Verify that the specified file cannot be executed (file argument is invalid, file
89 * length exceeds NAME_MAX)
90 * @tc.level : Level 2
91 */
execvpe_0400(void)92 void execvpe_0400(void)
93 {
94 char *argv[] = {"ls", "-al", "/etc/passwd", 0};
95 char buff[300];
96 for (int i = 0; i < 300; i++) {
97 buff[i] = 'a';
98 }
99 int result = execvpe(buff, argv, my_env);
100 EXPECT_EQ("execvpe_0400", result, -1);
101 }
102
main(int argc,char * argv[])103 int main(int argc, char *argv[])
104 {
105 execvpe_0100();
106 execvpe_0200();
107 execvpe_0300();
108 execvpe_0400();
109 return t_status;
110 }