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 #include "it_test_signal.h"
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <fcntl.h>
38
39 static const int NAME_BUF_SIZE = 500;
40 static const int FAULT1 = 6;
41 static const int FAULT2 = 7;
42
TestMkfifoReturn()43 static int TestMkfifoReturn()
44 {
45 int retValue, i;
46 int status = 0;
47 pid_t pid;
48 char pathname[NAME_BUF_SIZE];
49
50 retValue = mkfifo("/dev/fifo0", 0777); // 0777, mkfifo config.
51 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
52 retValue = mkfifo("/dev/fifo0", 0777); // 0777, mkfifo config.
53 ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
54 ICUNIT_GOTO_EQUAL(errno, EEXIST, errno, EXIT);
55
56 /* // no support errno EDQUOT ENOENT EROFS ENAMETOOLONG
57 retValue = mkfifo("/dev/fifo0/fifo1", 0777);
58 ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
59 ICUNIT_GOTO_EQUAL(errno, ENOENT, errno, EXIT);
60
61 mkdir("/dev/usr", 0444);
62 ICUNIT_GOTO_EQUAL(retValue, 0, retValue,EXIT);
63 retValue = mkfifo("/dev/usr/fifo0", 0777);
64 ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
65 ICUNIT_GOTO_EQUAL(errno, EROFS, errno, EXIT);
66
67 sprintf(pathname, "/dev/");
68 for (i = 5; i < NAME_BUF_SIZE - 4; i = i + 4) {
69 sprintf(&pathname[i], "fifo");
70 }
71 printf("pathname : %s\n", pathname);
72 retValue = mkfifo(pathname, 0777);
73 ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
74 ICUNIT_GOTO_EQUAL(errno, ENAMETOOLONG, errno, EXIT);
75
76 retValue = mkfifo("/usr/fifo0", 0777);
77 ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
78
79 pid = fork();
80 if (pid < 0) {
81 printf("Fork error\n");
82 return LOS_NOK;
83 } else if (pid == 0) {
84 for (i = 1; i <= 100024; i++) {
85 sprintf(pathname, "/dev/fifo%d", i);
86 mkfifo(pathname, 0777);
87 }
88 retValue = mkfifo("/dev/fifo100025", 0777);
89 if (retValue != -1) {
90 printf("error: unexpect return mkfifo\n");
91 exit(FAULT1);
92 }
93 if (errno != EDQUOT) {
94 printf("error: unexpect errno mkfifo\n");
95 exit(FAULT2);
96 }
97 exit(LOS_OK);
98 }
99 wait(&status);
100 ICUNIT_GOTO_EQUAL(WEXITSTATUS(status),LOS_OK,WEXITSTATUS(status), EXIT);
101
102 for (i = 0; i <= 100025; i++) {
103 sprintf(pathname, "/dev/fifo%d", i);
104 unlink(pathname);
105 } */
106 unlink("/usr/fifo0");
107 unlink("/dev/fifo0/fifo1");
108 unlink("/dev/usr/fifo0");
109 rmdir("/dev/usr");
110 unlink(pathname);
111 unlink("/dev/fifo0");
112 return LOS_OK;
113
114 EXIT:
115 unlink("/usr/fifo0");
116 unlink("/dev/fifo0/fifo1");
117 unlink("/dev/usr/fifo0");
118 rmdir("/dev/usr");
119 unlink(pathname);
120 unlink("/dev/fifo0");
121 return LOS_NOK;
122 }
123
ItPosixMkfifo002(void)124 void ItPosixMkfifo002(void)
125 {
126 TEST_ADD_CASE(__FUNCTION__, TestMkfifoReturn, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
127 }
128