Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261468AbVETPLS (ORCPT ); Fri, 20 May 2005 11:11:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261472AbVETPLS (ORCPT ); Fri, 20 May 2005 11:11:18 -0400 Received: from e35.co.us.ibm.com ([32.97.110.133]:62686 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S261468AbVETPLJ (ORCPT ); Fri, 20 May 2005 11:11:09 -0400 Date: Fri, 20 May 2005 10:10:50 -0500 From: Michael Halcrow To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Chris Wright , Serge Hallyn , mhalcrow@us.ibm.com Subject: [updated patch 5/7] BSD Secure Levels: allow setuid/setgid on root user processes Message-ID: <20050520151049.GD5534@halcrow.us> Reply-To: Michael Halcrow References: <20050517152303.GA2814@halcrow.us> <20050519205525.GB16215@halcrow.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050519205525.GB16215@halcrow.us> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1363 Lines: 30 This patch is applies cleanly against the new printk() patch. It allows setuid and setgid on a process if the user is already root. This allows non-root users to log in. Signed off by: Michael Halcrow Index: linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c =================================================================== --- linux-2.6.12-rc4-mm2-seclvl.orig/security/seclvl.c 2005-05-20 09:09:07.000000000 -0500 +++ linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c 2005-05-20 09:09:13.000000000 -0500 @@ -447,12 +447,12 @@ "network administrative task while " "in secure level [%d] denied\n", seclvl); return -EPERM; - } else if (cap == CAP_SETUID) { + } else if (cap == CAP_SETUID && current->uid != 0) { seclvl_printk(1, KERN_WARNING, "Attempt to setuid " "while in secure level [%d] denied\n", seclvl); return -EPERM; - } else if (cap == CAP_SETGID) { + } else if (cap == CAP_SETGID && current->uid != 0) { seclvl_printk(1, KERN_WARNING, "Attempt to setgid " "while in secure level [%d] denied\n", seclvl); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/