1 #include <sys/types.h>
2 #include <fcntl.h>
3 #include <stdio.h>
4 #include <string.h>
5 #include <unistd.h>
6
main(int argc,char * argv[])7 int main(int argc, char* argv[]) {
8 if (argc == 2 && !strcmp(argv[1], "--pass")) {
9 fprintf(stderr,"[%d] %s immediately returning 0\n", getpid(), argv[0]);
10 return 0;
11 }
12
13 if (argc == 2 && !strcmp(argv[1], "--fail")) {
14 fprintf(stderr,"[%d] %s immediately returning 1\n", getpid(), argv[0]);
15 return 1;
16 }
17
18 if (argc == 2 && !strcmp(argv[1], "--checkroot")) {
19 int rc = (geteuid() == 0);
20 fprintf(stderr,"[uid:%d] %s immediately returning (geteuid() == 0) = %d\n", geteuid(), argv[0], rc);
21 return rc;
22 }
23
24 if (argc == 2 && !strcmp(argv[1], "--capmode")) {
25 /* Expect to already be in capability mode: check we can't open a file */
26 int rc = 0;
27
28 int fd = open("/etc/passwd", O_RDONLY);
29 if (fd > 0) {
30 fprintf(stderr,"[%d] %s unexpectedly able to open file\n", getpid(), argv[0]);
31 rc = 1;
32 }
33 fprintf(stderr,"[%d] %s --capmode returning %d\n", getpid(), argv[0], rc);
34 return rc;
35 }
36
37 return -1;
38 }
39