LXR toybox/toys/android/load

   1/* load_policy.c - Load a policy file
   2 *
   3 * Copyright 2015 The Android Open Source Project
   4
   5USE_LOAD_POLICY(NEWTOY(load_policy, "<1>1", TOYFLAG_USR|TOYFLAG_SBIN))
   6
   7config 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
  20void load_policy_main(void)
  21{
  22  int fd = xopenro(*toys.optargs);
  23  off_t policy_len = fdlength(fd);
  24  char *policy_data = xmmap(0, policy_len, PROT_READ, MAP_PRIVATE, fd, 0);
  25
  26  close(fd);
  27  if (security_load_policy(policy_data, policy_len) < 0)
  28    perror_exit("security_load_policy %s", *toys.optargs);
  29
  30  munmap(policy_data, policy_len);
  31}
  32