1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <unistd.h>
5#include <fcntl.h>
6#include <sys/stat.h>
7#include <sys/mman.h>
8#include <errno.h>
9#include <selinux/selinux.h>
10
11int load_policy_main(int argc, char **argv)
12{
13    int fd, rc, vers;
14    struct stat sb;
15    void *map;
16    const char *path;
17
18    if (argc != 2) {
19        fprintf(stderr, "usage:  %s policy-file\n", argv[0]);
20        exit(1);
21    }
22
23    path = argv[1];
24    fd = open(path, O_RDONLY);
25    if (fd < 0) {
26        fprintf(stderr, "Could not open %s:  %s\n", path, strerror(errno));
27        exit(2);
28    }
29
30    if (fstat(fd, &sb) < 0) {
31        fprintf(stderr, "Could not stat %s:  %s\n", path, strerror(errno));
32        exit(3);
33    }
34
35    map = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
36    if (map == MAP_FAILED) {
37        fprintf(stderr, "Could not mmap %s:  %s\n", path, strerror(errno));
38        exit(4);
39    }
40
41    rc = security_load_policy(map, sb.st_size);
42    if (rc < 0) {
43        fprintf(stderr, "Could not load %s:  %s\n", path, strerror(errno));
44        exit(5);
45    }
46    munmap(map, sb.st_size);
47    close(fd);
48    exit(0);
49}
50