From owner-freebsd-jail@FreeBSD.ORG Wed Jul 29 11:56:31 2009 Return-Path: Delivered-To: freebsd-jail@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0F7AC106564A for ; Wed, 29 Jul 2009 11:56:31 +0000 (UTC) (envelope-from freebsd@levsha.org.ua) Received: from expo.ukrweb.net (mail.univua.net [91.202.128.78]) by mx1.freebsd.org (Postfix) with ESMTP id BED268FC08 for ; Wed, 29 Jul 2009 11:56:30 +0000 (UTC) (envelope-from freebsd@levsha.org.ua) Received: from levsha by expo.ukrweb.net with local (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MW7SY-000Duk-W4; Wed, 29 Jul 2009 14:36:38 +0300 Date: Wed, 29 Jul 2009 14:36:38 +0300 From: Mykola Dzham To: "Bjoern A. Zeeb" Message-ID: <20090729113638.GC20855@expo.ukrweb.net> References: <20090725163207.GP39538@expo.ukrweb.net> <20090727141808.R245@maildrop.int.zabbadoz.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090727141808.R245@maildrop.int.zabbadoz.net> X-Operating-System: FreeBSD/7.0-STABLE (i386) User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-jail@freebsd.org, freebsd-current@freebsd.org, Jamie Gritton Subject: Re: 8.0 still allow creating ipv6 udp socket in jail without ipv6 ip X-BeenThere: freebsd-jail@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion about FreeBSD jail\(8\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jul 2009 11:56:31 -0000 Bjoern A. Zeeb wrote: > On Sat, 25 Jul 2009, Mykola Dzham wrote: > > Hi, > > > After r188146 creating tcp ipv6 socket in jail without ipv6 ip is not > > allowed, but udp socket is allowed. > > I cannot really follow what you are trying to say as wrt IPv4 and IPv6 > sockets and what about UDP. > > Your sample further down is trying to use an IPv4 address on an IPv6 > Datagram socket which is an error either way. Some java programms attempt to use ipv6 sockets, then use ipv4 if socket(AF_INET6,...) fail. My sample imitate this > Prior to FreeBSD 7.2 IPv6 hadn't been supported at all for jails. > > With 7.2 it was possible to create IPv6 sockets (but only shortly and > then fail on bind/connect/...). With the commit you reference the > "Protocol not supported" came back in case there was no address of > that address family for a given jail. > > With 8 the primary syntax for jails has changed and the "backward > compat mode" again allows you to create a socket on a jail even if > no address of the same family was configured for the jail. > > This should be addressed by the following patch: > http://people.freebsd.org/~bz/20090727-01-jail8-legacy.diff > > Can you give it a try and report if that fixes your problem? Patch aplied cleanly on r195820 , but jail can not start after patching: # jail -l -U root -i /usr/home/d/guests/tap2 tap2.my.domain.com 10.112.0.151 /bin/sh /etc/rc jail: ip6: unknown boolean value "disable" -- LEFT-(UANIC|RIPE) JID: levsha@jabber.net.ua PGP fingerprint: 2A0B 7423 51AF B19B 74D5 31CA 2BFF 42F1 8094 7652