klibc-utils/nuke.c

   1 /*
   2  * Copyright (c) 2017 Denys Vlasenko <vda.linux@googlemail.com>
   3  *
   4  * Licensed under GPLv2, see file LICENSE in this source tree.
   5  */
   6 //config:config NUKE
   7 //config:       bool "nuke (2.9 kb)"
   8 //config:       default n  # off by default: too "accidentally destructive"
   9 //config:       help
  10 //config:       Alias to "rm -rf".
  11
  12 //applet:IF_NUKE(APPLET_NOEXEC(nuke, nuke, BB_DIR_BIN, BB_SUID_DROP, nuke))
  13
  14 //kbuild:lib-$(CONFIG_NUKE) += nuke.o
  15
  16 //usage:#define nuke_trivial_usage
  17 //usage:       "DIR..."
  18 //usage:#define nuke_full_usage "\n\n"
  19 //usage:       "Remove DIRs"
  20
  21 #include "libbb.h"
  22
  23 /* This is a NOEXEC applet. Be very careful! */
  24
  25 int nuke_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  26 int nuke_main(int argc UNUSED_PARAM, char **argv)
  27 {
  28 // klibc-utils do not check opts, will try to delete "-dir" args
  29         //opt = getopt32(argv, "");
  30         //argv += optind;
  31
  32         while (*++argv) {
  33 #if 0
  34 // klibc-utils do not check this, will happily operate on ".."
  35                 const char *base = bb_get_last_path_component_strip(*argv);
  36                 if (DOT_OR_DOTDOT(base)) {
  37                         bb_error_msg("can't remove '.' or '..'");
  38                         continue;
  39                 }
  40 #endif
  41                 remove_file(*argv, FILEUTILS_FORCE | FILEUTILS_RECUR);
  42         }
  43
  44 // klibc-utils do not indicate errors
  45         return EXIT_SUCCESS;
  46 }