/*
* Mini chown implementation for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.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
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-#include <stdio.h>
+/* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
+/* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
+/* BB_AUDIT Note: gnu chown does not support -H, -L, or -P. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chown.html */
+
#include <stdlib.h>
-#include <string.h>
#include <unistd.h>
+#include <string.h>
#include "busybox.h"
-/* Don't use lchown for libc5 or glibc older then 2.1.x */
-#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
-#define lchown chown
-#endif
-
-static long uid;
-static long gid;
+static uid_t uid = -1;
+static gid_t gid = -1;
static int (*chown_func)(const char *, uid_t, gid_t) = chown;
-static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
+static int fileAction(const char *fileName, struct stat *statbuf,
+ void ATTRIBUTE_UNUSED *junk)
{
- if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
- return (TRUE);
+ if (!chown_func(fileName,
+ (uid == (uid_t)-1) ? statbuf->st_uid : uid,
+ (gid == (gid_t)-1) ? statbuf->st_gid : gid)) {
+ return TRUE;
}
- perror(fileName);
- return (FALSE);
+ bb_perror_msg("%s", fileName); /* A filename could have % in it... */
+ return FALSE;
}
+#define FLAG_R 1
+#define FLAG_h 2
+
int chown_main(int argc, char **argv)
{
- int opt;
- int recursiveFlag = FALSE,
- noderefFlag = FALSE;
- char *groupName=NULL;
- char *p=NULL;
+ int flags;
+ int retval = EXIT_SUCCESS;
+ char *groupName;
- /* do normal option parsing */
- while ((opt = getopt(argc, argv, "Rh")) > 0) {
- switch (opt) {
- case 'R':
- recursiveFlag = TRUE;
- break;
- case 'h':
- noderefFlag = TRUE;
- break;
- default:
- show_usage();
- }
+ flags = bb_getopt_ulflags(argc, argv, "Rh");
+
+ if (flags & FLAG_h) chown_func = lchown;
+
+ if (argc - optind < 2) {
+ bb_show_usage();
}
- if (noderefFlag) chown_func = lchown;
+ argv += optind;
- if (argc > optind && argc > 2 && argv[optind]) {
- /* First, check if there is a group name here */
- groupName = strchr(argv[optind], '.');
- if (groupName == NULL)
- groupName = strchr(argv[optind], ':');
- if (groupName) {
- *groupName++ = '\0';
- gid = strtoul(groupName, &p, 10);
- if (groupName == p)
- gid = my_getgrnam(groupName);
- } else {
- gid = -1;
- }
- /* Now check for the username */
- uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
- if (argv[optind] == p) {
- uid = my_getpwnam(argv[optind]);
- }
- } else {
- error_msg_and_die(too_few_args);
+ /* First, check if there is a group name here */
+ if ((groupName = strchr(*argv, '.')) == NULL) {
+ groupName = strchr(*argv, ':');
}
+ /* Check for the username and groupname */
+ if (groupName) {
+ *groupName++ = '\0';
+ gid = get_ug_id(groupName, bb_xgetgrnam);
+ }
+ if (--groupName != *argv) uid = get_ug_id(*argv, bb_xgetpwnam);
+ ++argv;
+
/* Ok, ready to do the deed now */
- while (++optind < argc) {
- if (! recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
- fileAction, fileAction, NULL)) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE,
+ fileAction, fileAction, NULL)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
+ } while (*++argv);
+ return retval;
}
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/