1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #define __USE_GUN
32 #include "it_test_exc.h"
33 #include <fcntl.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <sys/mman.h>
37 #include <sys/stat.h>
38 #include <unistd.h>
39
40 static char *g_args[] = {
41 "hic et nunc",
42 "-l",
43 "/dev/shm",
44 nullptr
45 };
46
TestCase(void)47 static int TestCase(void)
48 {
49 struct stat st = {0};
50 void *p = nullptr;
51 int fd = 0;
52 int shmFd = 0;
53 int rc = 0;
54 int ret = 0;
55
56 shmFd = shm_open("wurstverschwendung", O_RDWR | O_CREAT, 0777);
57 if (shmFd == -1) {
58 perror("shm_open");
59 return -1;
60 }
61
62 rc = stat("/bin/shell", &st);
63 if (rc == -1) {
64 perror("stat");
65 close(shmFd);
66 return -1;
67 }
68
69 printf("shm_fd=%d,st.st_size=%lld\n", shmFd, st.st_size);
70 rc = ftruncate(shmFd, st.st_size);
71 if (rc == -1) {
72 perror("ftruncate");
73 close(shmFd);
74 return -1;
75 }
76
77 p = mmap(nullptr, st.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, shmFd, 0);
78 if (p == MAP_FAILED) {
79 perror("mmap");
80 close(shmFd);
81 return -1;
82 }
83
84 fd = open("/bin/shell", O_RDONLY, 0);
85 printf("fd=%d\n", fd);
86 if (fd == -1) {
87 perror("openls");
88 munmap(p, st.st_size);
89 close(shmFd);
90 return -1;
91 }
92
93 rc = read(fd, p, st.st_size);
94 if (rc == -1) {
95 perror("read");
96 munmap(p, st.st_size);
97 close(shmFd);
98 return -1;
99 }
100 if (rc != st.st_size) {
101 fputs("Strange situation!\n", stderr);
102 munmap(p, st.st_size);
103 close(shmFd);
104 return -1;
105 }
106
107 munmap(p, st.st_size);
108 close(shmFd);
109
110 shmFd = shm_open("wurstverschwendung", O_RDONLY, 0);
111 ret = fexecve(shmFd, g_args, environ);
112 perror("fexecve");
113 ICUNIT_ASSERT_NOT_EQUAL(ret, -1, ret);
114
115 return LOS_OK;
116 }
117
ItTestFexecve001(void)118 void ItTestFexecve001(void)
119 {
120 TEST_ADD_CASE(__FUNCTION__, TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
121 }
122