1 /* mkdir -- make directories
2 Copyright (C) 1990, 1995-2002, 2004-2012 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* David MacKenzie <djm@ai.mit.edu> */
22 #include <sys/types.h>
23 #include <selinux/selinux.h>
28 #include "modechange.h"
29 #include "prog-fprintf.h"
33 /* The official name of this program (e.g., no 'g' prefix). */
34 #define PROGRAM_NAME "mkdir"
36 #define AUTHORS proper_name ("David MacKenzie")
38 static struct option
const longopts
[] =
40 {GETOPT_SELINUX_CONTEXT_OPTION_DECL
},
41 {"mode", required_argument
, NULL
, 'm'},
42 {"parents", no_argument
, NULL
, 'p'},
43 {"verbose", no_argument
, NULL
, 'v'},
44 {GETOPT_HELP_OPTION_DECL
},
45 {GETOPT_VERSION_OPTION_DECL
},
52 if (status
!= EXIT_SUCCESS
)
56 printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name
);
58 Create the DIRECTORY(ies), if they do not already exist.\n\
62 Mandatory arguments to long options are mandatory for short options too.\n\
65 -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\
66 -p, --parents no error if existing, make parent directories as needed\n\
67 -v, --verbose print a message for each created directory\n\
68 -Z, --context=CTX set the SELinux security context of each created\n\
71 fputs (HELP_OPTION_DESCRIPTION
, stdout
);
72 fputs (VERSION_OPTION_DESCRIPTION
, stdout
);
73 emit_ancillary_info ();
78 /* Options passed to subsidiary functions. */
81 /* Function to make an ancestor, or NULL if ancestors should not be
83 int (*make_ancestor_function
) (char const *, char const *, void *);
85 /* Mode for ancestor directory. */
88 /* Mode for directory itself. */
91 /* File mode bits affected by MODE. */
94 /* If not null, format to use when reporting newly made directories. */
95 char const *created_directory_format
;
98 /* Report that directory DIR was made, if OPTIONS requests this. */
100 announce_mkdir (char const *dir
, void *options
)
102 struct mkdir_options
const *o
= options
;
103 if (o
->created_directory_format
)
104 prog_fprintf (stdout
, o
->created_directory_format
, quote (dir
));
107 /* Make ancestor directory DIR, whose last component is COMPONENT,
108 with options OPTIONS. Assume the working directory is COMPONENT's
109 parent. Return 0 if successful and the resulting directory is
110 readable, 1 if successful but the resulting directory is not
111 readable, -1 (setting errno) otherwise. */
113 make_ancestor (char const *dir
, char const *component
, void *options
)
115 struct mkdir_options
const *o
= options
;
116 int r
= mkdir (component
, o
->ancestor_mode
);
119 r
= ! (o
->ancestor_mode
& S_IRUSR
);
120 announce_mkdir (dir
, options
);
125 /* Process a command-line file name. */
127 process_dir (char *dir
, struct savewd
*wd
, void *options
)
129 struct mkdir_options
const *o
= options
;
130 return (make_dir_parents (dir
, wd
, o
->make_ancestor_function
, options
,
131 o
->mode
, announce_mkdir
,
132 o
->mode_bits
, (uid_t
) -1, (gid_t
) -1, true)
138 main (int argc
, char **argv
)
140 const char *specified_mode
= NULL
;
142 security_context_t scontext
= NULL
;
143 struct mkdir_options options
;
145 options
.make_ancestor_function
= NULL
;
146 options
.mode
= S_IRWXUGO
;
147 options
.mode_bits
= 0;
148 options
.created_directory_format
= NULL
;
150 initialize_main (&argc
, &argv
);
151 set_program_name (argv
[0]);
152 setlocale (LC_ALL
, "");
153 bindtextdomain (PACKAGE
, LOCALEDIR
);
154 textdomain (PACKAGE
);
156 atexit (close_stdout
);
158 while ((optc
= getopt_long (argc
, argv
, "pm:vZ:", longopts
, NULL
)) != -1)
163 options
.make_ancestor_function
= make_ancestor
;
166 specified_mode
= optarg
;
168 case 'v': /* --verbose */
169 options
.created_directory_format
= _("created directory %s");
174 case_GETOPT_HELP_CHAR
;
175 case_GETOPT_VERSION_CHAR (PROGRAM_NAME
, AUTHORS
);
177 usage (EXIT_FAILURE
);
183 error (0, 0, _("missing operand"));
184 usage (EXIT_FAILURE
);
187 if (scontext
&& setfscreatecon (scontext
) < 0)
188 error (EXIT_FAILURE
, errno
,
189 _("failed to set default file creation context to %s"),
192 if (options
.make_ancestor_function
|| specified_mode
)
194 mode_t umask_value
= umask (0);
196 options
.ancestor_mode
= (S_IRWXUGO
& ~umask_value
) | (S_IWUSR
| S_IXUSR
);
200 struct mode_change
*change
= mode_compile (specified_mode
);
202 error (EXIT_FAILURE
, 0, _("invalid mode %s"),
203 quote (specified_mode
));
204 options
.mode
= mode_adjust (S_IRWXUGO
, true, umask_value
, change
,
209 options
.mode
= S_IRWXUGO
& ~umask_value
;
212 exit (savewd_process_files (argc
- optind
, argv
+ optind
,
213 process_dir
, &options
));