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         ;
  52 #endif
  53
  54 int mkdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  55 int mkdir_main(int argc UNUSED_PARAM, char **argv)
  56 {
  57         long mode = -1;
  58         int status = EXIT_SUCCESS;
  59         int flags = 0;
  60         unsigned opt;
  61         char *smode;
  62 #if ENABLE_SELINUX
  63         security_context_t scontext;
  64 #endif
  65
  66 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
  67         applet_long_options = mkdir_longopts;
  68 #endif
  69         opt = getopt32(argv, "m:p" IF_SELINUX("Z:"), &smode IF_SELINUX(,&scontext));
  70         if (opt & 1) {
  71                 mode_t mmode = 0777;
  72                 if (!bb_parse_mode(smode, &mmode)) {
  73                         bb_error_msg_and_die("invalid mode '%s'", smode);
  74                 }
  75                 mode = mmode;
  76         }
  77         if (opt & 2)
  78                 flags |= FILEUTILS_RECUR;
  79 #if ENABLE_SELINUX
  80         if (opt & 4) {
  81                 selinux_or_die();
  82                 setfscreatecon_or_die(scontext);
  83         }
  84 #endif
  85
  86         argv += optind;
  87         if (!argv[0])
  88                 bb_show_usage();
  89
  90         do {
  91                 if (bb_make_directory(*argv, mode, flags)) {
  92                         status = EXIT_FAILURE;
  93                 }
  94         } while (*++argv);
  95
  96         return status;
  97 }