1 /* mkdir -- make directories
2 Copyright (C) 90, 1995-2002, 2004-2008 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>
29 #include "modechange.h"
30 #include "prog-fprintf.h"
34 /* The official name of this program (e.g., no `g' prefix). */
35 #define PROGRAM_NAME "mkdir"
37 #define AUTHORS proper_name ("David MacKenzie")
39 static const struct option const longopts[] =
41 {GETOPT_SELINUX_CONTEXT_OPTION_DECL},
42 {"mode", required_argument, NULL, 'm'},
43 {"parents", no_argument, NULL, 'p'},
44 {"verbose", no_argument, NULL, 'v'},
45 {GETOPT_HELP_OPTION_DECL},
46 {GETOPT_VERSION_OPTION_DECL},
53 if (status != EXIT_SUCCESS)
54 fprintf (stderr, _("Try `%s --help' for more information.\n"),
58 printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
60 Create the DIRECTORY(ies), if they do not already exist.\n\
64 Mandatory arguments to long options are mandatory for short options too.\n\
67 -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\
68 -p, --parents no error if existing, make parent directories as needed\n\
69 -v, --verbose print a message for each created directory\n\
70 -Z, --context=CTX set the SELinux security context of each created\n\
73 fputs (HELP_OPTION_DESCRIPTION, stdout);
74 fputs (VERSION_OPTION_DESCRIPTION, stdout);
75 emit_bug_reporting_address ();
80 /* Options passed to subsidiary functions. */
83 /* Function to make an ancestor, or NULL if ancestors should not be
85 int (*make_ancestor_function) (char const *, char const *, void *);
87 /* Mode for ancestor directory. */
90 /* Mode for directory itself. */
93 /* File mode bits affected by MODE. */
96 /* If not null, format to use when reporting newly made directories. */
97 char const *created_directory_format;
100 /* Report that directory DIR was made, if OPTIONS requests this. */
102 announce_mkdir (char const *dir, void *options)
104 struct mkdir_options const *o = options;
105 if (o->created_directory_format)
106 prog_fprintf (stdout, o->created_directory_format, quote (dir));
109 /* Make ancestor directory DIR, whose last component is COMPONENT,
110 with options OPTIONS. Assume the working directory is COMPONENT's
111 parent. Return 0 if successful and the resulting directory is
112 readable, 1 if successful but the resulting directory is not
113 readable, -1 (setting errno) otherwise. */
115 make_ancestor (char const *dir, char const *component, void *options)
117 struct mkdir_options const *o = options;
118 int r = mkdir (component, o->ancestor_mode);
121 r = ! (o->ancestor_mode & S_IRUSR);
122 announce_mkdir (dir, options);
127 /* Process a command-line file name. */
129 process_dir (char *dir, struct savewd *wd, void *options)
131 struct mkdir_options const *o = options;
132 return (make_dir_parents (dir, wd, o->make_ancestor_function, options,
133 o->mode, announce_mkdir,
134 o->mode_bits, (uid_t) -1, (gid_t) -1, true)
140 main (int argc, char **argv)
142 const char *specified_mode = NULL;
144 security_context_t scontext = NULL;
145 struct mkdir_options options;
147 options.make_ancestor_function = NULL;
148 options.mode = S_IRWXUGO;
149 options.mode_bits = 0;
150 options.created_directory_format = NULL;
152 initialize_main (&argc, &argv);
153 set_program_name (argv[0]);
154 setlocale (LC_ALL, "");
155 bindtextdomain (PACKAGE, LOCALEDIR);
156 textdomain (PACKAGE);
158 atexit (close_stdout);
160 while ((optc = getopt_long (argc, argv, "pm:vZ:", longopts, NULL)) != -1)
165 options.make_ancestor_function = make_ancestor;
168 specified_mode = optarg;
170 case 'v': /* --verbose */
171 options.created_directory_format = _("created directory %s");
176 case_GETOPT_HELP_CHAR;
177 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
179 usage (EXIT_FAILURE);
185 error (0, 0, _("missing operand"));
186 usage (EXIT_FAILURE);
189 if (scontext && setfscreatecon (scontext) < 0)
190 error (EXIT_FAILURE, errno,
191 _("failed to set default file creation context to %s"),
194 if (options.make_ancestor_function || specified_mode)
196 mode_t umask_value = umask (0);
198 options.ancestor_mode = (S_IRWXUGO & ~umask_value) | (S_IWUSR | S_IXUSR);
202 struct mode_change *change = mode_compile (specified_mode);
204 error (EXIT_FAILURE, 0, _("invalid mode %s"),
205 quote (specified_mode));
206 options.mode = mode_adjust (S_IRWXUGO, true, umask_value, change,
211 options.mode = S_IRWXUGO & ~umask_value;
214 exit (savewd_process_files (argc - optind, argv + optind,
215 process_dir, &options));