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"
33 /* The official name of this program (e.g., no `g' prefix). */
34 #define PROGRAM_NAME "mkdir"
36 #define AUTHORS "David MacKenzie"
38 /* The name this program was run with. */
41 static struct option const longopts[] =
43 {GETOPT_SELINUX_CONTEXT_OPTION_DECL},
44 {"mode", required_argument, NULL, 'm'},
45 {"parents", no_argument, NULL, 'p'},
46 {"verbose", no_argument, NULL, 'v'},
47 {GETOPT_HELP_OPTION_DECL},
48 {GETOPT_VERSION_OPTION_DECL},
55 if (status != EXIT_SUCCESS)
56 fprintf (stderr, _("Try `%s --help' for more information.\n"),
60 printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
62 Create the DIRECTORY(ies), if they do not already exist.\n\
66 Mandatory arguments to long options are mandatory for short options too.\n\
69 -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\
70 -p, --parents no error if existing, make parent directories as needed\n\
71 -v, --verbose print a message for each created directory\n\
72 -Z, --context=CTX set the SELinux security context of each created\n\
75 fputs (HELP_OPTION_DESCRIPTION, stdout);
76 fputs (VERSION_OPTION_DESCRIPTION, stdout);
77 emit_bug_reporting_address ();
82 /* Verbose formatted output of variable count of arguments. */
84 verbose_output (FILE *fp, char const *fmt, ...)
87 fputs (program_name, fp);
90 vfprintf (fp, fmt, ap);
95 /* Options passed to subsidiary functions. */
98 /* Function to make an ancestor, or NULL if ancestors should not be
100 int (*make_ancestor_function) (char const *, char const *, void *);
102 /* Mode for ancestor directory. */
103 mode_t ancestor_mode;
105 /* Mode for directory itself. */
108 /* File mode bits affected by MODE. */
111 /* If not null, format to use when reporting newly made directories. */
112 char const *created_directory_format;
115 /* Report that directory DIR was made, if OPTIONS requests this. */
117 announce_mkdir (char const *dir, void *options)
119 struct mkdir_options const *o = options;
120 if (o->created_directory_format)
121 verbose_output (stdout, o->created_directory_format, quote (dir));
124 /* Make ancestor directory DIR, whose last component is COMPONENT,
125 with options OPTIONS. Assume the working directory is COMPONENT's
126 parent. Return 0 if successful and the resulting directory is
127 readable, 1 if successful but the resulting directory is not
128 readable, -1 (setting errno) otherwise. */
130 make_ancestor (char const *dir, char const *component, void *options)
132 struct mkdir_options const *o = options;
133 int r = mkdir (component, o->ancestor_mode);
136 r = ! (o->ancestor_mode & S_IRUSR);
137 announce_mkdir (dir, options);
142 /* Process a command-line file name. */
144 process_dir (char *dir, struct savewd *wd, void *options)
146 struct mkdir_options const *o = options;
147 return (make_dir_parents (dir, wd, o->make_ancestor_function, options,
148 o->mode, announce_mkdir,
149 o->mode_bits, (uid_t) -1, (gid_t) -1, true)
155 main (int argc, char **argv)
157 const char *specified_mode = NULL;
159 security_context_t scontext = NULL;
160 struct mkdir_options options;
162 options.make_ancestor_function = NULL;
163 options.mode = S_IRWXUGO;
164 options.mode_bits = 0;
165 options.created_directory_format = NULL;
167 initialize_main (&argc, &argv);
168 program_name = argv[0];
169 setlocale (LC_ALL, "");
170 bindtextdomain (PACKAGE, LOCALEDIR);
171 textdomain (PACKAGE);
173 atexit (close_stdout);
175 while ((optc = getopt_long (argc, argv, "pm:vZ:", longopts, NULL)) != -1)
180 options.make_ancestor_function = make_ancestor;
183 specified_mode = optarg;
185 case 'v': /* --verbose */
186 options.created_directory_format = _("created directory %s");
191 case_GETOPT_HELP_CHAR;
192 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
194 usage (EXIT_FAILURE);
200 error (0, 0, _("missing operand"));
201 usage (EXIT_FAILURE);
204 if (scontext && setfscreatecon (scontext) < 0)
205 error (EXIT_FAILURE, errno,
206 _("failed to set default file creation context to %s"),
209 if (options.make_ancestor_function || specified_mode)
211 mode_t umask_value = umask (0);
213 options.ancestor_mode = (S_IRWXUGO & ~umask_value) | (S_IWUSR | S_IXUSR);
217 struct mode_change *change = mode_compile (specified_mode);
219 error (EXIT_FAILURE, 0, _("invalid mode %s"),
220 quote (specified_mode));
221 options.mode = mode_adjust (S_IRWXUGO, true, umask_value, change,
226 options.mode = S_IRWXUGO & ~umask_value;
229 exit (savewd_process_files (argc - optind, argv + optind,
230 process_dir, &options));