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No, we _want_ the suid and sgid bits reverted by chown, for security reasons.

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They mean something different when the user they're switching to is different,
so if you still want suid you reset it afterwards.  This is a safety feature.
This commit is contained in:
Rob Landley 2006-01-06 18:22:05 +00:00
parent c00411a16a
commit f8ec1b51f3
1 changed files with 7 additions and 24 deletions
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31
coreutils/chown.c
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@ -4,20 +4,7 @@
* *
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
* *
* This program is free software; you can redistribute it and/or modify * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
* 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
*
*/ */
/* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */ /* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
@ -30,11 +17,6 @@
#include <string.h> #include <string.h>
#include "busybox.h" #include "busybox.h"
/* Don't use lchown for glibc older then 2.1.x */
#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long uid; static long uid;
static long gid; static long gid;
@ -42,12 +24,13 @@ 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* junk)
{ {
if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { if (!chown_func(fileName,
chmod(fileName, statbuf->st_mode); (uid == -1) ? statbuf->st_uid : uid,
return (TRUE); (gid == -1) ? statbuf->st_gid : gid)) {
return TRUE;
} }
bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */ bb_perror_msg("%s", fileName); /* A filename could have % in it... */
return (FALSE); return FALSE;
} }
#define FLAG_R 1 #define FLAG_R 1