1 #include <unistd.h>
2 #include <sys/types.h>
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <errno.h>
7 #include <selinux/selinux.h>
8
main(int argc,char ** argv)9 int main(int argc, char **argv)
10 {
11 security_class_t tclass;
12 int ret;
13
14 if (argc != 5) {
15 fprintf(stderr, "usage: %s scontext tcontext tclass newcontext\n",
16 argv[0]);
17 exit(1);
18 }
19
20 if (security_check_context(argv[1])) {
21 fprintf(stderr, "%s: invalid source context '%s'\n", argv[0], argv[1]);
22 exit(4);
23 }
24
25 if (security_check_context(argv[2])) {
26 fprintf(stderr, "%s: invalid target context '%s'\n", argv[0], argv[2]);
27 exit(5);
28 }
29
30 tclass = string_to_security_class(argv[3]);
31 if (!tclass) {
32 fprintf(stderr, "%s: invalid class '%s'\n", argv[0], argv[3]);
33 exit(2);
34 }
35
36 if (security_check_context(argv[4])) {
37 fprintf(stderr, "%s: invalid new context '%s'\n", argv[0], argv[4]);
38 exit(6);
39 }
40
41 ret = security_validatetrans(argv[1], argv[2], tclass, argv[4]);
42 printf("security_validatetrans returned %d errno: %s\n", ret, strerror(errno));
43
44 return ret;
45 }
46