From owner-freebsd-bugs  Tue Sep 10  6:20:14 2002
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Date: Tue, 10 Sep 2002 06:20:05 -0700 (PDT)
Message-Id: <200209101320.g8ADK5sK056091@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
Cc: 
From: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>
Subject: Re: kern/40558: UDP6 sockets do not receive responses of sendto to
 IPv4mapped address
Reply-To: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>
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The following reply was made to PR kern/40558; it has been noted by GNATS.

From: Jean-Luc Richier <Jean-Luc.Richier@imag.fr>
To: freebsd-gnats-submit@FreeBSD.org, Jean-Luc.Richier@imag.fr
Cc:  
Subject: Re: kern/40558: UDP6 sockets do not receive responses of sendto to
 IPv4mapped address
Date: Tue, 10 Sep 2002 15:09:59 +0200

 This is a multi-part message in MIME format.
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 Content-Type: text/plain; charset=us-ascii; format=flowed
 Content-Transfer-Encoding: 7bit
 
 For FreeBSD 4.6/FreeBSD4.6.2 KAME has suggested the attached patch, used 
 in kame snap distributions and in FreeBSD-5.0.
 (diff done of 4.6.2 GENERIC)
 This bug has been corrected in FreeBSD current (checked end of August 
 2002) using KAME patch.
 
 -- 
 Jean-Luc RICHIER (Jean-Luc.Richier@Imag.Fr  richier@imag.fr)
 Laboratoire Logiciels, Systemes et Reseaux (LSR-IMAG)
 IMAG-CAMPUS, BP 72, F-38402 St Martin d'Heres Cedex
 Tel : +33 4 76 82 72 32 Fax : +33 4 76 82 72 87
 
 --------------060100020504080002060702
 Content-Type: text/plain;
  name="Patch-udp"
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 Content-Disposition: inline;
  filename="Patch-udp"
 
 --- sys/netinet6/ip6_output.c.DIST	Sun Apr 28 07:40:27 2002
 +++ sys/netinet6/ip6_output.c	Mon Sep  2 18:41:47 2002
 @@ -1369,6 +1369,10 @@
  					 */
  					OPTSET(IN6P_BINDV6ONLY);
  					OPTSET(IN6P_IPV6_V6ONLY);
 +					if (optval)
 +						in6p->in6p_vflag &= ~INP_IPV4;
 +					else
 +						in6p->in6p_vflag |= INP_IPV4;
  					break;
  				}
  				break;
 --- sys/netinet6/udp6_usrreq.c.DIST	Sun Apr 28 07:40:27 2002
 +++ sys/netinet6/udp6_usrreq.c	Mon Sep  2 18:45:44 2002
 @@ -534,6 +534,8 @@
  		return error;
  	inp = (struct inpcb *)so->so_pcb;
  	inp->inp_vflag |= INP_IPV6;
 +	if (ip6_mapped_addr_on)
 +		inp->inp_vflag |= INP_IPV4;
  	inp->in6p_hops = -1;	/* use kernel default */
  	inp->in6p_cksum = -1;	/* just to be sure */
  	/*
 
 --------------060100020504080002060702--
 

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