From owner-freebsd-bugs@FreeBSD.ORG Tue Jun 26 09:30:07 2012 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D908A1065670 for ; Tue, 26 Jun 2012 09:30:07 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id AA5AB8FC12 for ; Tue, 26 Jun 2012 09:30:07 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q5Q9U7F9040809 for ; Tue, 26 Jun 2012 09:30:07 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q5Q9U7i4040807; Tue, 26 Jun 2012 09:30:07 GMT (envelope-from gnats) Resent-Date: Tue, 26 Jun 2012 09:30:07 GMT Resent-Message-Id: <201206260930.q5Q9U7i4040807@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, Sakuma Takayuki Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 430721065672 for ; Tue, 26 Jun 2012 09:26:38 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 2E63A8FC0A for ; Tue, 26 Jun 2012 09:26:38 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q5Q9QcF4030159 for ; Tue, 26 Jun 2012 09:26:38 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id q5Q9QbZn030158; Tue, 26 Jun 2012 09:26:37 GMT (envelope-from nobody) Message-Id: <201206260926.q5Q9QbZn030158@red.freebsd.org> Date: Tue, 26 Jun 2012 09:26:37 GMT From: Sakuma Takayuki To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/169438: [ipsec] ipv4-in-ipv6 tunnel mode IPsec does not work X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jun 2012 09:30:08 -0000 >Number: 169438 >Category: kern >Synopsis: [ipsec] ipv4-in-ipv6 tunnel mode IPsec does not work >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jun 26 09:30:07 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Sakuma Takayuki >Release: 9.0-RELEASE >Organization: >Environment: FreeBSD freebsd9 9.0-RELEASE FreeBSD 9.0-RELEASE #2: Tue Jun 26 17:01:53 JST 2012 root@freebsd9:/sys/i386/compile/IPSEC i386 >Description: Sending IPv4 packet by tunnel mode IPsec of IPv6 transport does not work. No packet is sent. >How-To-Repeat: set SPD and SAD by 'setkey -c' as follows: spdadd 192.0.2.1/32[any] 198.51.100.1/32[any] any -P out ipsec esp/tunnel/2001:db8:c000:200::1-2001:db8:c633:6400::1/require; add 2001:db8:c000:200::2 2001:db8:c633:6400::1 esp 0x10001 -m tunnel -E des-cbc 0x2001db8c000ffff; interface address and routes are set up appropriately. >Fix: quick hack: *** sys/netipsec/ipsec_output.c.orig 2012-06-26 18:25:11.000000000 +0900 --- sys/netipsec/ipsec_output.c 2012-06-26 17:01:38.000000000 +0900 *************** *** 575,582 **** */ if (sav->tdb_xform->xf_type != XF_IP4) { ip = mtod(m, struct ip *); ! i = ip->ip_hl << 2; ! off = offsetof(struct ip, ip_p); error = (*sav->tdb_xform->xf_output)(m, isr, NULL, i, off); } else { error = ipsec_process_done(m, isr); --- 575,587 ---- */ if (sav->tdb_xform->xf_type != XF_IP4) { ip = mtod(m, struct ip *); ! if (ip->ip_v == 6) { ! i = sizeof(struct ip6_hdr); ! off = offsetof(struct ip6_hdr, ip6_nxt); ! } else { ! i = ip->ip_hl << 2; ! off = offsetof(struct ip, ip_p); ! } error = (*sav->tdb_xform->xf_output)(m, isr, NULL, i, off); } else { error = ipsec_process_done(m, isr); >Release-Note: >Audit-Trail: >Unformatted: