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 #include <errno.h>
16 #include <signal.h>
17 #include <stdlib.h>
18 #include <string.h>
19 #include <sys/stat.h>
20 #include <sys/wait.h>
21 #include "fortify_test.h"
22 #include "test.h"
23
24 /**
25 * @tc.name : umask_0010
26 * @tc.desc : test umask normal condition
27 * @tc.level : Level 0
28 */
umask_0010(void)29 static void umask_0010(void)
30 {
31 mode_t mask = atoi("077");
32 umask(mask);
33
34 return;
35 }
36
37 /**
38 * @tc.name : umask_0020
39 * @tc.desc : test umask suppress compiler optimizations
40 * @tc.level : Level 2
41 */
umask_0020(void)42 static void umask_0020(void)
43 {
44 struct sigaction sigabrt = {
45 .sa_handler = SignalHandler,
46 };
47 sigaction(SIGABRT, &sigabrt, NULL);
48
49 mode_t mask = atoi("1023"); // 01777 in octal
50 int status;
51 int pid = fork();
52 switch (pid) {
53 case -1:
54 t_error("fork failed: %s\n", strerror(errno));
55 break;
56 case 0:
57 umask(mask);
58 exit(0);
59 default:
60 waitpid(pid, &status, WUNTRACED);
61 TEST(WIFEXITED(status) == 0);
62 TEST(WIFSTOPPED(status) == 1);
63 TEST(WSTOPSIG(status) == SIGSTOP);
64 kill(pid, SIGCONT);
65 break;
66 }
67
68 return;
69 }
70
main(int argc,char * argv[])71 int main(int argc, char *argv[]) {
72 umask_0010();
73 umask_0020();
74
75 return t_status;
76 }