From owner-freebsd-bugs@FreeBSD.ORG Wed Jan 21 18:50:23 2004 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E9E0116A4CE for ; Wed, 21 Jan 2004 18:50:22 -0800 (PST) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7A73E43D31 for ; Wed, 21 Jan 2004 18:50:20 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) i0M2oKFR093766 for ; Wed, 21 Jan 2004 18:50:20 -0800 (PST) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.10/8.12.10/Submit) id i0M2oKR1093765; Wed, 21 Jan 2004 18:50:20 -0800 (PST) (envelope-from gnats) Resent-Date: Wed, 21 Jan 2004 18:50:20 -0800 (PST) Resent-Message-Id: <200401220250.i0M2oKR1093765@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Dany Nativel Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 28EA616A4CE for ; Wed, 21 Jan 2004 18:42:27 -0800 (PST) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1E6A143D48 for ; Wed, 21 Jan 2004 18:42:26 -0800 (PST) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.12.10/8.12.10) with ESMTP id i0M2gPdL045936 for ; Wed, 21 Jan 2004 18:42:25 -0800 (PST) (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.12.10/8.12.10/Submit) id i0M2gPCK045935; Wed, 21 Jan 2004 18:42:25 -0800 (PST) (envelope-from nobody) Message-Id: <200401220242.i0M2gPCK045935@www.freebsd.org> Date: Wed, 21 Jan 2004 18:42:25 -0800 (PST) From: Dany Nativel To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.0 Subject: misc/61701: Segmentation fault on OPIE when sequence number=-1 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jan 2004 02:50:23 -0000 >Number: 61701 >Category: misc >Synopsis: Segmentation fault on OPIE when sequence number=-1 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jan 21 18:50:20 PST 2004 >Closed-Date: >Last-Modified: >Originator: Dany Nativel >Release: 5.2 Release >Organization: >Environment: FreeBSD hermes.agora 5.2-RELEASE FreeBSD 5.2-RELEASE #9: Tue Jan 13 21:59:17 EST 2004 alpha@hermes.agora:/usr/obj/usr/src/sys/HERMES i386 >Description: When opie sequence number reaches -1 for a given user (no more s/key login), it's impossible to : 1) Use the regular Unix password (even if authorized and was working before) ... core dumped 2) Disable the OPIE login for this user using opiepasswd ... seg fault PS 1:How did OPIE worked in the first place with no mention to it in /etc/pam.d/login ? PS 2: /etc/pam.d/login (stock from 5.2R install) : code:auth required pam_nologin.so no_warn auth sufficient pam_self.so no_warn auth include system account requisite pam_securetty.so account include system session include system password include system >How-To-Repeat: A] LOGIN USING UNIX PASSWORD WHEN OPIE support has expired 1) from the user account : #opiepasswd -c -n 2 (any number in fact) 2) Quit the current session for login prompt : login : alpha otp-md5 2 he201 Password: 3) Enter valid s/key, loggout and repeat that process until reaching sequence number=-1 4) Then try to use you regular Unix password (I could use it when sequence key was <>-1): login: alpha otp-md5 -1 (null) ext Password: <- Unix password code:FreeBSD/i386 (local) (ttyv0) login: Jan 19 22:08:25 local kernel: pid 613 (login), uid 0:exited on signal 11 (core dumped) B] DISABLE OPIE LOGIN using opiepasswd when opie expired Using root account : #opiepasswd -d alpha (nb opiepasswd -c doesn't work either) Updating alpha: Segmentation fault (core dumped) local# Jan 19 22:10:06 local kernel: pid 627 (opiepasswd), uid 0: exited on signal 11 (core dumped) >Fix: --> Quick Fix : In order to allow my unlucky user to login back using his regular Unix password I had to remove the file /etc/opiekeys >Release-Note: >Audit-Trail: >Unformatted: