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2b02ab9606
chown to be consistant with GNU chown, so that it follows symlinks (who cares about the perms on a link anyways?) unless the -h option is supplied. -Erik
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini chown/chmod/chgrp implementation for busybox
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*
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*
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* Copyright (C) 1999,2000,2001 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "busybox.h"
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/* Don't use lchown for libc5 or glibc older then 2.1.x */
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#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
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#define lchown chown
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#endif
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static long uid;
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static long gid;
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static int (*chown_func)() = chown;
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static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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{
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if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
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return (TRUE);
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}
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perror(fileName);
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return (FALSE);
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}
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int chown_main(int argc, char **argv)
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{
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int opt;
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int recursiveFlag = FALSE,
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noderefFlag = FALSE;
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char *groupName=NULL;
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char *p=NULL;
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "Rh")) > 0) {
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switch (opt) {
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case 'R':
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recursiveFlag = TRUE;
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break;
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case 'h':
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noderefFlag = TRUE;
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break;
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default:
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show_usage();
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}
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}
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if (noderefFlag) chown_func = lchown;
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if (argc > optind && argc > 2 && argv[optind]) {
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/* First, check if there is a group name here */
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groupName = strchr(argv[optind], '.');
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if (groupName == NULL)
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groupName = strchr(argv[optind], ':');
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if (groupName) {
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*groupName++ = '\0';
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gid = strtoul(groupName, &p, 10);
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if (groupName == p)
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gid = my_getgrnam(groupName);
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} else {
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gid = -1;
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}
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/* Now check for the username */
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uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
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if (argv[optind] == p) {
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uid = my_getpwnam(argv[optind]);
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}
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} else {
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error_msg_and_die(too_few_args);
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}
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/* Ok, ready to do the deed now */
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while (++optind < argc) {
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if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
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fileAction, fileAction, NULL) == FALSE) {
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return EXIT_FAILURE;
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}
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}
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return EXIT_SUCCESS;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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