LXR toybox/toys/other/chcon.c

   1/* chcon.c - Change file security context
   2 *
   3 * Copyright 2014 The Android Open Source Project
   4
   5USE_CHCON(NEWTOY(chcon, "<2hvR", TOYFLAG_USR|TOYFLAG_BIN))
   6
   7config CHCON
   8  bool "chcon"
   9  depends on TOYBOX_SELINUX
  10  default y
  11  help
  12    usage: chcon [-hRv] CONTEXT FILE...
  13
  14    Change the SELinux security context of listed file[s].
  15
  16    -h  Change symlinks instead of what they point to
  17    -R  Recurse into subdirectories
  18    -v  Verbose
  19*/
  20
  21#define FOR_chcon
  22#include "toys.h"
  23
  24static int do_chcon(struct dirtree *try)
  25{
  26  char *path, *con = *toys.optargs;
  27
  28  if (!dirtree_notdotdot(try)) return 0;
  29
  30  path = dirtree_path(try, 0);
  31  if (toys.optflags & FLAG_v) printf("chcon '%s' to %s\n", path, con);
  32  if (-1 == ((toys.optflags & FLAG_h) ? lsetfilecon : setfilecon)(path, con))
  33    perror_msg("'%s' to %s", path, con);
  34  free(path);
  35
  36  return (toys.optflags & FLAG_R)*DIRTREE_RECURSE;
  37}
  38
  39void chcon_main(void)
  40{
  41  char **file;
  42
  43  for (file = toys.optargs+1; *file; file++) dirtree_read(*file, do_chcon);
  44}
  45