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/* vi: set sw=4 ts=4: */
/*
* Mini chown implementation for busybox
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* 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 <unistd.h>
#include <string.h>
#include "busybox.h"
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 ATTRIBUTE_UNUSED *junk)
{
if (!chown_func(fileName,
(uid == (uid_t)-1) ? statbuf->st_uid : uid,
(gid == (gid_t)-1) ? statbuf->st_gid : gid)) {
return TRUE;
}
bb_perror_msg("%s", fileName); /* A filename can have % in it... */
return FALSE;
}
#define FLAG_R 1
#define FLAG_h 2
int chown_main(int argc, char **argv)
{
int flags;
int retval = EXIT_SUCCESS;
char *groupName;
flags = getopt32(argc, argv, "Rh");
if (flags & FLAG_h) chown_func = lchown;
if (argc - optind < 2) {
bb_show_usage();
}
argv += optind;
/* 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 */
do {
if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE,
fileAction, fileAction, NULL)) {
retval = EXIT_FAILURE;
}
} while (*++argv);
return retval;
}
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