1 /* load_policy.c - Load a policy file 2 * 3 * Copyright 2015 The Android Open Source Project 4 5 USE_LOAD_POLICY(NEWTOY(load_policy, "<1>1", TOYFLAG_USR|TOYFLAG_SBIN)) 6 7 config LOAD_POLICY 8 bool "load_policy" 9 depends on TOYBOX_SELINUX 10 default y 11 help 12 usage: load_policy FILE 13 14 Load the specified policy file. 15 */ 16 17 #define FOR_load_policy 18 #include "toys.h" 19 20 void load_policy_main(void) 21 { 22 char *path = *toys.optargs; 23 int fd = xopen(path, O_RDONLY); 24 off_t policy_len = fdlength(fd); 25 char *policy_data = mmap(0, policy_len, PROT_READ, MAP_PRIVATE, fd, 0); 26 27 close(fd); 28 if (!policy_data || security_load_policy(policy_data, policy_len) < 0) 29 perror_exit("Couldn't %s %s", policy_data ? "load" : "read", path); 30 31 munmap(policy_data, policy_len); 32 } 33
