conf/89061: IPv6 6to4 auto-configuration enhancement

[Antonio Querubin]

The following reply was made to PR conf/89061; it has been noted by GNATS.

From: Antonio Querubin <tony at lava.net>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: conf/89061: IPv6 6to4 auto-configuration enhancement
Date: Fri, 29 Dec 2006 20:15:57 -1000 (HST)

 Here's an updated patch that doesn't require /usr.
 
 --- /usr/src/etc/rc.d/network_ipv6	Thu Oct  7 03:55:26 2004
 +++ /etc/rc.d/network_ipv6	Fri Dec 29 18:49:32 2006
 @@ -100,6 +100,38 @@
   	fi
 
   	# Setup IPv6 to IPv4 mapping
 +	if checkyesno auto6to4_enable; then
 +		# Determine the interface of the IPv4 default route.
 +		ipv4_default_if=`route get default \
 +			| while read name val ; do
 +				case ${name} in
 +				interface:)
 +					echo $val
 +					break
 +					;;
 +				esac
 +			done`
 +		# Define the 6to4 tunnel's IPv4 address to match the first
 +		# IPv4 address of the IPv4 default interface.
 +		stf_interface_ipv4addr=`ifconfig ${ipv4_default_if} inet \
 +			| while read family addr junk ; do
 +				case ${family} in
 +				inet)
 +					echo $addr
 +					break
 +					;;
 +				esac
 +			done`
 +		# If no IPv6 default gateway is defined, use the RFC 3068 
 +		# anycast address.
 +		case ${ipv6_defaultrouter} in
 +		[Nn][Oo] | '')
 +			ipv6_defaultrouter="2002:c058:6301::"
 +			;;
 +		*)
 +			;;
 +		esac
 +	fi
   	network6_stf_setup
 
   	# Install the "default interface" to kernel, which will be used
 
 ----------------
 
 Antonio Querubin
 tony at lava.net