/*
* Mini chmod implementation for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
- * 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 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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
+ * Reworked by (C) 2002 Vladimir Oleynik <dzo@simtreas.ru>
+ * to correctly parse '-rwxgoa'
*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
+/* BB_AUDIT SUSv3 compliant */
+/* BB_AUDIT GNU defects - unsupported options -c, -f, -v, and long options. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chmod.html */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <getopt.h>
+#include <sys/stat.h>
#include "busybox.h"
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
- if (!parse_mode((char *)junk, &(statbuf->st_mode)))
- error_msg_and_die("internal error");
+ if (!bb_parse_mode((char *)junk, &(statbuf->st_mode)))
+ bb_error_msg_and_die( "invalid mode: %s", (char *)junk);
if (chmod(fileName, statbuf->st_mode) == 0)
return (TRUE);
- perror(fileName);
+ bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
return (FALSE);
}
-int chmod_main(int argc, char **argv)
+int chmod_main(int ATTRIBUTE_UNUSED argc, char **argv)
{
- int i;
- int opt;
+ int retval = EXIT_SUCCESS;
int recursiveFlag = FALSE;
+ int count;
+ char *smode;
+ char **p;
+ char *p0;
+ char opt = '-';
- /* do normal option parsing */
- while ((opt = getopt(argc, argv, "R")) > 0) {
- switch (opt) {
- case 'R':
+ ++argv;
+ count = 0;
+
+ for (p = argv ; *p ; p++) {
+ p0 = p[0];
+ if (p0[0] == opt) {
+ if ((p0[1] == '-') && !p0[2]) {
+ opt = 0; /* Disable further option processing. */
+ continue;
+ }
+ if (p0[1] == 'R') {
+ char *s = p0 + 2;
+ while (*s == 'R') {
+ ++s;
+ }
+ if (*s) {
+ bb_show_usage();
+ }
recursiveFlag = TRUE;
- break;
- default:
- show_usage();
+ continue;
+ }
+ if (count) {
+ bb_show_usage();
+ }
}
+ argv[count] = p0;
+ ++count;
}
- if (argc > optind && argc > 2 && argv[optind]) {
- /* Parse the specified mode */
- mode_t mode;
- if (! parse_mode(argv[optind], &mode)) {
- error_msg_and_die( "unknown mode: %s", argv[optind]);
- }
- } else {
- error_msg_and_die(too_few_args);
+ argv[count] = NULL;
+
+ if (count < 2) {
+ bb_show_usage();
}
+ smode = *argv;
+ ++argv;
+
/* Ok, ready to do the deed now */
- for (i = optind + 1; i < argc; i++) {
- if (! recursive_action (argv[i], recursiveFlag, FALSE, FALSE, fileAction,
- fileAction, argv[optind])) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, recursiveFlag, TRUE, FALSE,
+ fileAction, fileAction, smode)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
-}
+ } while (*++argv);
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/
+ return retval;
+}