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