/* mkdir -- make directories
- Copyright (C) 90, 1995-2002 Free Software Foundation, Inc.
+ Copyright (C) 1990-2013 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* David MacKenzie <djm@ai.mit.edu> */
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
+#include <selinux/selinux.h>
#include "system.h"
-#include "dirname.h"
#include "error.h"
-#include "makepath.h"
+#include "mkdir-p.h"
#include "modechange.h"
+#include "prog-fprintf.h"
#include "quote.h"
+#include "savewd.h"
-/* The official name of this program (e.g., no `g' prefix). */
+/* The official name of this program (e.g., no 'g' prefix). */
#define PROGRAM_NAME "mkdir"
-#define WRITTEN_BY _("Written by David MacKenzie.")
-
-/* The name this program was run with. */
-char *program_name;
-
-/* If nonzero, ensure that all parents of the specified directory exist. */
-static int create_parents;
+#define AUTHORS proper_name ("David MacKenzie")
static struct option const longopts[] =
{
+ {GETOPT_SELINUX_CONTEXT_OPTION_DECL},
{"mode", required_argument, NULL, 'm'},
{"parents", no_argument, NULL, 'p'},
{"verbose", no_argument, NULL, 'v'},
void
usage (int status)
{
- if (status != 0)
- fprintf (stderr, _("Try `%s --help' for more information.\n"),
- program_name);
+ if (status != EXIT_SUCCESS)
+ emit_try_help ();
else
{
- printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
+ printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name);
fputs (_("\
Create the DIRECTORY(ies), if they do not already exist.\n\
\n\
Mandatory arguments to long options are mandatory for short options too.\n\
"), stdout);
fputs (_("\
- -m, --mode=MODE set permission mode (as in chmod), not rwxrwxrwx - umask\n\
+ -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\
-p, --parents no error if existing, make parent directories as needed\n\
-v, --verbose print a message for each created directory\n\
+ -Z, --context=CTX set the SELinux security context of each created\n\
+ directory to CTX\n\
"), stdout);
fputs (HELP_OPTION_DESCRIPTION, stdout);
fputs (VERSION_OPTION_DESCRIPTION, stdout);
- printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+ emit_ancillary_info ();
}
exit (status);
}
+/* Options passed to subsidiary functions. */
+struct mkdir_options
+{
+ /* Function to make an ancestor, or NULL if ancestors should not be
+ made. */
+ int (*make_ancestor_function) (char const *, char const *, void *);
+
+ /* Mode for ancestor directory. */
+ mode_t ancestor_mode;
+
+ /* Mode for directory itself. */
+ mode_t mode;
+
+ /* File mode bits affected by MODE. */
+ mode_t mode_bits;
+
+ /* If not null, format to use when reporting newly made directories. */
+ char const *created_directory_format;
+};
+
+/* Report that directory DIR was made, if OPTIONS requests this. */
+static void
+announce_mkdir (char const *dir, void *options)
+{
+ struct mkdir_options const *o = options;
+ if (o->created_directory_format)
+ prog_fprintf (stdout, o->created_directory_format, quote (dir));
+}
+
+/* Make ancestor directory DIR, whose last component is COMPONENT,
+ with options OPTIONS. Assume the working directory is COMPONENT's
+ parent. Return 0 if successful and the resulting directory is
+ readable, 1 if successful but the resulting directory is not
+ readable, -1 (setting errno) otherwise. */
+static int
+make_ancestor (char const *dir, char const *component, void *options)
+{
+ struct mkdir_options const *o = options;
+ int r = mkdir (component, o->ancestor_mode);
+ if (r == 0)
+ {
+ r = ! (o->ancestor_mode & S_IRUSR);
+ announce_mkdir (dir, options);
+ }
+ return r;
+}
+
+/* Process a command-line file name. */
+static int
+process_dir (char *dir, struct savewd *wd, void *options)
+{
+ struct mkdir_options const *o = options;
+ return (make_dir_parents (dir, wd, o->make_ancestor_function, options,
+ o->mode, announce_mkdir,
+ o->mode_bits, (uid_t) -1, (gid_t) -1, true)
+ ? EXIT_SUCCESS
+ : EXIT_FAILURE);
+}
+
int
main (int argc, char **argv)
{
- mode_t newmode;
- mode_t parent_mode;
const char *specified_mode = NULL;
- const char *verbose_fmt_string = NULL;
- int errors = 0;
int optc;
+ security_context_t scontext = NULL;
+ struct mkdir_options options;
+
+ options.make_ancestor_function = NULL;
+ options.mode = S_IRWXUGO;
+ options.mode_bits = 0;
+ options.created_directory_format = NULL;
initialize_main (&argc, &argv);
- program_name = argv[0];
+ set_program_name (argv[0]);
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
atexit (close_stdout);
- create_parents = 0;
-
- while ((optc = getopt_long (argc, argv, "pm:v", longopts, NULL)) != -1)
+ while ((optc = getopt_long (argc, argv, "pm:vZ:", longopts, NULL)) != -1)
{
switch (optc)
- {
- case 0: /* Long option. */
- break;
- case 'p':
- create_parents = 1;
- break;
- case 'm':
- specified_mode = optarg;
- break;
- case 'v': /* --verbose */
- verbose_fmt_string = _("created directory %s");
- break;
- case_GETOPT_HELP_CHAR;
- case_GETOPT_VERSION_CHAR (PROGRAM_NAME, WRITTEN_BY);
- default:
- usage (EXIT_FAILURE);
- }
+ {
+ case 'p':
+ options.make_ancestor_function = make_ancestor;
+ break;
+ case 'm':
+ specified_mode = optarg;
+ break;
+ case 'v': /* --verbose */
+ options.created_directory_format = _("created directory %s");
+ break;
+ case 'Z':
+ scontext = optarg;
+ break;
+ case_GETOPT_HELP_CHAR;
+ case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
+ default:
+ usage (EXIT_FAILURE);
+ }
}
if (optind == argc)
{
- error (0, 0, _("too few arguments"));
+ error (0, 0, _("missing operand"));
usage (EXIT_FAILURE);
}
- newmode = S_IRWXUGO;
- {
- mode_t umask_value = umask (0);
- umask (umask_value); /* Restore the old value. */
- parent_mode = (newmode & (~ umask_value)) | S_IWUSR | S_IXUSR;
- }
-
- if (specified_mode)
- {
- struct mode_change *change = mode_compile (specified_mode, 0);
- newmode &= ~ umask (0);
- if (change == MODE_INVALID)
- error (EXIT_FAILURE, 0, _("invalid mode %s"), quote (specified_mode));
- else if (change == MODE_MEMORY_EXHAUSTED)
- xalloc_die ();
- newmode = mode_adjust (newmode, change);
- }
+ if (scontext && setfscreatecon (scontext) < 0)
+ error (EXIT_FAILURE, errno,
+ _("failed to set default file creation context to %s"),
+ quote (scontext));
- for (; optind < argc; ++optind)
+ if (options.make_ancestor_function || specified_mode)
{
- int fail = 0;
-
- if (create_parents)
- {
- char *dir = argv[optind];
- fail = make_path (dir, newmode, parent_mode,
- -1, -1, 1, verbose_fmt_string);
- }
+ mode_t umask_value = umask (0);
+
+ options.ancestor_mode = (S_IRWXUGO & ~umask_value) | (S_IWUSR | S_IXUSR);
+
+ if (specified_mode)
+ {
+ struct mode_change *change = mode_compile (specified_mode);
+ if (!change)
+ error (EXIT_FAILURE, 0, _("invalid mode %s"),
+ quote (specified_mode));
+ options.mode = mode_adjust (S_IRWXUGO, true, umask_value, change,
+ &options.mode_bits);
+ free (change);
+ }
else
- {
- const char *dir = argv[optind];
- int dir_created;
- fail = make_dir (dir, dir, newmode, &dir_created);
- if (fail)
- {
- /* make_dir already gave a diagnostic. */
- }
- else if (!create_parents && !dir_created)
- {
- /* make_dir `succeeds' when DIR already exists.
- In that case, mkdir must fail, unless --parents (-p)
- was specified. */
- error (0, EEXIST, _("cannot create directory %s"),
- quote (dir));
- fail = 1;
- }
- else if (verbose_fmt_string)
- error (0, 0, verbose_fmt_string, quote (dir));
-
- /* mkdir(2) is required to honor only the file permission bits.
- In particular, it needn't do anything about `special' bits,
- so if any were set in newmode, apply them with chmod.
- This extra step is necessary in some cases when the containing
- directory has a default ACL. */
-
- /* Set the permissions only if this directory has just
- been created. */
-
- if (fail == 0 && specified_mode && dir_created)
- {
- fail = chmod (dir, newmode);
- if (fail)
- error (0, errno, _("cannot set permissions of directory %s"),
- quote (dir));
- }
- }
-
- if (fail)
- errors = 1;
+ options.mode = S_IRWXUGO & ~umask_value;
}
- exit (errors);
+ exit (savewd_process_files (argc - optind, argv + optind,
+ process_dir, &options));
}