/* vi: set sw=4 ts=4: */
/*
- * Mini chown/chmod/chgrp implementation for busybox
+ * Mini chmod implementation for busybox
*
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
- * Copyright (C) 1999,2000,2001 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Reworked by (C) 2002 Vladimir Oleynik <dzo@simtreas.ru>
+ * to correctly parse '-rwxgoa'
*
* 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
*
*/
+/* 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"
-
-struct stat *theMode;
-
-
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
- if (chmod(fileName, theMode->st_mode) == 0)
+ 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 opt;
+ int retval = EXIT_SUCCESS;
int recursiveFlag = FALSE;
+ int count;
+ char *smode;
+ char **p;
+ char *p0;
+ char opt = '-';
+
+ ++argv;
+ count = 0;
- /* do normal option parsing */
- while ((opt = getopt(argc, argv, "R")) > 0) {
- switch (opt) {
- case 'R':
+ 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;
- default:
- show_usage();
+ continue;
+ }
+ if (count) {
+ bb_show_usage();
+ }
}
+ argv[count] = p0;
+ ++count;
}
- if (argc > optind && argc > 2 && argv[optind]) {
- /* Parse the specified mode */
- if (parse_mode(argv[optind], &(theMode->st_mode)) == FALSE) {
- 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 */
- while (++optind < argc) {
- if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
- fileAction, fileAction, NULL) == FALSE) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, recursiveFlag, FALSE, FALSE,
+ fileAction, fileAction, smode)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
+ } while (*++argv);
+
+ return retval;
}
/*