release/src/router/busybox/coreutils/mkdir.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Mini mkdir implementation for busybox
   4  *
   5  * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8  */
   9
  10 /* BB_AUDIT SUSv3 compliant */
  11 /* http://www.opengroup.org/onlinepubs/007904975/utilities/mkdir.html */
  12
  13 /* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
  14  *
  15  * Fixed broken permission setting when -p was used; especially in
  16  * conjunction with -m.
  17  */
  18
  19 /* Nov 28, 2006      Yoshinori Sato <ysato@users.sourceforge.jp>: Add SELinux Support.
  20  */
  21
  22 //usage:#define mkdir_trivial_usage
  23 //usage:       "[OPTIONS] DIRECTORY..."
  24 //usage:#define mkdir_full_usage "\n\n"
  25 //usage:       "Create DIRECTORY\n"
  26 //usage:     "\n        -m MODE Mode"
  27 //usage:     "\n        -p      No error if exists; make parent directories as needed"
  28 //usage:        IF_SELINUX(
  29 //usage:     "\n        -Z      Set security context"
  30 //usage:        )
  31 //usage:
  32 //usage:#define mkdir_example_usage
  33 //usage:       "$ mkdir /tmp/foo\n"
  34 //usage:       "$ mkdir /tmp/foo\n"
  35 //usage:       "/tmp/foo: File exists\n"
  36 //usage:       "$ mkdir /tmp/foo/bar/baz\n"
  37 //usage:       "/tmp/foo/bar/baz: No such file or directory\n"
  38 //usage:       "$ mkdir -p /tmp/foo/bar/baz\n"
  39
  40 #include "libbb.h"
  41
  42 /* This is a NOFORK applet. Be very careful! */
  43
  44 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
  45 static const char mkdir_longopts[] ALIGN1 =
  46         "mode\0"    Required_argument "m"
  47         "parents\0" No_argument       "p"
  48 #if ENABLE_SELINUX
  49         "context\0" Required_argument "Z"
  50 #endif
  51 #if ENABLE_FEATURE_VERBOSE
  52         "verbose\0" No_argument       "v"
  53 #endif
  54         ;
  55 #endif
  56
  57 int mkdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  58 int mkdir_main(int argc UNUSED_PARAM, char **argv)
  59 {
  60         long mode = -1;
  61         int status = EXIT_SUCCESS;
  62         int flags = 0;
  63         unsigned opt;
  64         char *smode;
  65 #if ENABLE_SELINUX
  66         security_context_t scontext;
  67 #endif
  68
  69 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
  70         applet_long_options = mkdir_longopts;
  71 #endif
  72         opt = getopt32(argv, "m:pv" IF_SELINUX("Z:"), &smode IF_SELINUX(,&scontext));
  73         if (opt & 1) {
  74                 mode_t mmode = bb_parse_mode(smode, 0777);
  75                 if (mmode == (mode_t)-1) {
  76                         bb_error_msg_and_die("invalid mode '%s'", smode);
  77                 }
  78                 mode = mmode;
  79         }
  80         if (opt & 2)
  81                 flags |= FILEUTILS_RECUR;
  82         if ((opt & 4) && FILEUTILS_VERBOSE)
  83                 flags |= FILEUTILS_VERBOSE;
  84 #if ENABLE_SELINUX
  85         if (opt & 8) {
  86                 selinux_or_die();
  87                 setfscreatecon_or_die(scontext);
  88         }
  89 #endif
  90
  91         argv += optind;
  92         if (!argv[0])
  93                 bb_show_usage();
  94
  95         do {
  96                 if (bb_make_directory(*argv, mode, flags)) {
  97                         status = EXIT_FAILURE;
  98                 }
  99         } while (*++argv);
 100
 101         return status;
 102 }