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 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
10 *
11 * Fixed broken permission setting when -p was used; especially in
12 * conjunction with -m.
13 */
14 /* Nov 28, 2006 Yoshinori Sato <ysato@users.sourceforge.jp>: Add SELinux Support.
15 */
16 //config:config MKDIR
17 //config: bool "mkdir"
18 //config: default y
19 //config: help
20 //config: mkdir is used to create directories with the specified names.
21 //config:
22 //config:config FEATURE_MKDIR_LONG_OPTIONS
23 //config: bool "Enable long options"
24 //config: default y
25 //config: depends on MKDIR && LONG_OPTS
26 //config: help
27 //config: Support long options for the mkdir applet.
28
29 //applet:IF_MKDIR(APPLET_NOFORK(mkdir, mkdir, BB_DIR_BIN, BB_SUID_DROP, mkdir))
30
31 //kbuild:lib-$(CONFIG_MKDIR) += mkdir.o
32
33 /* BB_AUDIT SUSv3 compliant */
34 /* http://www.opengroup.org/onlinepubs/007904975/utilities/mkdir.html */
35
36 //usage:#define mkdir_trivial_usage
37 //usage: "[OPTIONS] DIRECTORY..."
38 //usage:#define mkdir_full_usage "\n\n"
39 //usage: "Create DIRECTORY\n"
40 //usage: "\n -m MODE Mode"
41 //usage: "\n -p No error if exists; make parent directories as needed"
42 //usage: IF_SELINUX(
43 //usage: "\n -Z Set security context"
44 //usage: )
45 //usage:
46 //usage:#define mkdir_example_usage
47 //usage: "$ mkdir /tmp/foo\n"
48 //usage: "$ mkdir /tmp/foo\n"
49 //usage: "/tmp/foo: File exists\n"
50 //usage: "$ mkdir /tmp/foo/bar/baz\n"
51 //usage: "/tmp/foo/bar/baz: No such file or directory\n"
52 //usage: "$ mkdir -p /tmp/foo/bar/baz\n"
53
54 #include "libbb.h"
55
56 /* This is a NOFORK applet. Be very careful! */
57
58 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
59 static const char mkdir_longopts[] ALIGN1 =
60 "mode\0" Required_argument "m"
61 "parents\0" No_argument "p"
62 #if ENABLE_SELINUX
63 "context\0" Required_argument "Z"
64 #endif
65 #if ENABLE_FEATURE_VERBOSE
66 "verbose\0" No_argument "v"
67 #endif
68 ;
69 #endif
70
71 int mkdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
mkdir_main(int argc UNUSED_PARAM,char ** argv)72 int mkdir_main(int argc UNUSED_PARAM, char **argv)
73 {
74 long mode = -1;
75 int status = EXIT_SUCCESS;
76 int flags = 0;
77 unsigned opt;
78 char *smode;
79 #if ENABLE_SELINUX
80 security_context_t scontext;
81 #endif
82
83 #if ENABLE_FEATURE_MKDIR_LONG_OPTIONS
84 applet_long_options = mkdir_longopts;
85 #endif
86 opt = getopt32(argv, "m:pv" IF_SELINUX("Z:"), &smode IF_SELINUX(,&scontext));
87 if (opt & 1) {
88 mode_t mmode = bb_parse_mode(smode, 0777);
89 if (mmode == (mode_t)-1) {
90 bb_error_msg_and_die("invalid mode '%s'", smode);
91 }
92 mode = mmode;
93 }
94 if (opt & 2)
95 flags |= FILEUTILS_RECUR;
96 if ((opt & 4) && FILEUTILS_VERBOSE)
97 flags |= FILEUTILS_VERBOSE;
98 #if ENABLE_SELINUX
99 if (opt & 8) {
100 selinux_or_die();
101 setfscreatecon_or_die(scontext);
102 }
103 #endif
104
105 argv += optind;
106 if (!argv[0])
107 bb_show_usage();
108
109 do {
110 if (bb_make_directory(*argv, mode, flags)) {
111 status = EXIT_FAILURE;
112 }
113 } while (*++argv);
114
115 return status;
116 }
117