LXR toybox/toys/android/restorecon.c

   1/* restorecon.c - Restore default security contexts for files
   2 *
   3 * Copyright 2015 The Android Open Source Project
   4
   5USE_RESTORECON(NEWTOY(restorecon, "<1DFnRrv", TOYFLAG_USR|TOYFLAG_SBIN))
   6
   7config RESTORECON
   8  bool "restorecon"
   9  depends on TOYBOX_SELINUX
  10  default y
  11  help
  12    usage: restorecon [-D] [-F] [-R] [-n] [-v] FILE...
  13
  14    Restores the default security contexts for the given files.
  15
  16    -D  Apply to /data/data too
  17    -F  Force reset
  18    -R  Recurse into directories
  19    -n  Don't make any changes; useful with -v to see what would change
  20    -v  Verbose
  21*/
  22
  23#define FOR_restorecon
  24#include "toys.h"
  25
  26#if defined(__ANDROID__)
  27#include <selinux/android.h>
  28#endif
  29
  30void restorecon_main(void)
  31{
  32#if defined(__ANDROID__)
  33  char **s;
  34  int flags = 0;
  35
  36  if (toys.optflags & FLAG_D) flags |= SELINUX_ANDROID_RESTORECON_DATADATA;
  37  if (toys.optflags & FLAG_F) flags |= SELINUX_ANDROID_RESTORECON_FORCE;
  38  if (toys.optflags & (FLAG_R|FLAG_r))
  39    flags |= SELINUX_ANDROID_RESTORECON_RECURSE;
  40  if (toys.optflags & FLAG_n) flags |= SELINUX_ANDROID_RESTORECON_NOCHANGE;
  41  if (toys.optflags & FLAG_v) flags |= SELINUX_ANDROID_RESTORECON_VERBOSE;
  42
  43  for (s = toys.optargs; *s; s++)
  44    if (selinux_android_restorecon(*s, flags) < 0)
  45      perror_msg("restorecon failed: %s", *s);
  46#endif
  47}
  48