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 char *buf;
12 security_class_t tclass;
13 const char *objname;
14 int ret;
15
16 if (argc != 4 && argc != 5) {
17 fprintf(stderr, "usage: %s scontext tcontext tclass [objname]\n",
18 argv[0]);
19 exit(1);
20 }
21
22 if (security_check_context(argv[1])) {
23 fprintf(stderr, "%s: invalid source context '%s'\n", argv[0], argv[1]);
24 exit(4);
25 }
26
27 if (security_check_context(argv[2])) {
28 fprintf(stderr, "%s: invalid target context '%s'\n", argv[0], argv[2]);
29 exit(5);
30 }
31
32 tclass = string_to_security_class(argv[3]);
33 if (!tclass) {
34 fprintf(stderr, "%s: invalid class '%s'\n", argv[0], argv[3]);
35 exit(2);
36 }
37
38 objname = (argc == 5) ? argv[4] : NULL;
39
40 ret = security_compute_create_name(argv[1], argv[2], tclass, objname, &buf);
41 if (ret < 0) {
42 fprintf(stderr, "%s: security_compute_create failed: %s\n",
43 argv[0], strerror(errno));
44 exit(3);
45 }
46
47 printf("%s\n", buf);
48 freecon(buf);
49 exit(EXIT_SUCCESS);
50 }
51