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 <sigchain.h>
22 #include "fortify_test.h"
23 #include "test.h"
24
25 /**
26 * @tc.name : umask_0010
27 * @tc.desc : test umask normal condition
28 * @tc.level : Level 0
29 */
umask_0010(void)30 static void umask_0010(void)
31 {
32 mode_t mask = atoi("077");
33 umask(mask);
34
35 return;
36 }
37
38 /**
39 * @tc.name : umask_0020
40 * @tc.desc : test umask suppress compiler optimizations
41 * @tc.level : Level 2
42 */
umask_0020(void)43 static void umask_0020(void)
44 {
45 struct sigaction sigabrt = {
46 .sa_handler = SignalHandler,
47 };
48 sigaction(SIGABRT, &sigabrt, NULL);
49
50 mode_t mask = atoi("1023"); // 01777 in octal
51 int status;
52 int pid = fork();
53 switch (pid) {
54 case -1:
55 t_error("fork failed: %s\n", strerror(errno));
56 break;
57 case 0:
58 umask(mask);
59 exit(0);
60 default:
61 waitpid(pid, &status, WUNTRACED);
62 TEST(WIFEXITED(status) == 0);
63 TEST(WIFSTOPPED(status) == 1);
64 TEST(WSTOPSIG(status) == SIGSTOP);
65 kill(pid, SIGCONT);
66 break;
67 }
68
69 return;
70 }
71
main(int argc,char * argv[])72 int main(int argc, char *argv[]) {
73 remove_all_special_handler(SIGABRT);
74 umask_0010();
75 umask_0020();
76
77 return t_status;
78 }