From a4e656ef240a1367dbb8728aa34868cfbb272932 Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Sat, 22 Dec 2012 13:00:53 +0000
Subject: [PATCH] ipv6-support: Preliminary support for dnsmasq >=2.66

SVN-Revision: 34858
---
 package/network/ipv6/ipv6-support/Makefile    |  2 +-
 .../ipv6/ipv6-support/files/support.sh        | 32 ++++++++++++++++---
 2 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/package/network/ipv6/ipv6-support/Makefile b/package/network/ipv6/ipv6-support/Makefile
index d570e54fc4fc..6bc3f79b395a 100644
--- a/package/network/ipv6/ipv6-support/Makefile
+++ b/package/network/ipv6/ipv6-support/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ipv6-support
-PKG_VERSION:=2012-12-11
+PKG_VERSION:=2012-12-22
 PKG_RELEASE:=1
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/ipv6-support/files/support.sh b/package/network/ipv6/ipv6-support/files/support.sh
index f723e6e5a0ba..8cd044f99004 100644
--- a/package/network/ipv6/ipv6-support/files/support.sh
+++ b/package/network/ipv6/ipv6-support/files/support.sh
@@ -172,8 +172,17 @@ disable_router() {
 	# Notify the address distribution daemon
 	ubus call 6distributed deliface '{"network": "'"$network"'"}'
 
-	# Disable advertisement daemon
-	stop_service /usr/sbin/6relayd "/var/run/ipv6-router-$network.pid"
+
+	# Start RD & DHCPv6 service
+	local router_service
+	config_get router_service global router_service
+
+	if [ "$router_service" == "dnsmasq" ]; then
+		rm -f "/var/etc/dnsmasq.d/ipv6-router-$network.conf"
+		/etc/init.d/dnsmasq restart
+	else
+		stop_service /usr/sbin/6relayd "/var/run/ipv6-router-$network.pid"
+	fi
 }
 
 
@@ -424,8 +433,23 @@ enable_router() {
 	[ "$length" -ne "0" ] && ubus call 6distributed newiface '{"network": "'"$network"'", "iface": "'"$device"'", "length": '"$length"'}'
 
 	# Start RD & DHCPv6 service
-	local pid="/var/run/ipv6-router-$network.pid"
-	start_service "/usr/sbin/6relayd -S . $device" "$pid"
+	local router_service
+	config_get router_service global router_service
+
+	if [ "$router_service" == "dnsmasq" ]; then
+		local dnsmasq_opts
+		config_get dnsmasq_opts global dnsmasq_opts
+		[ -z "$dnsmasq_opts" ] && dnsmasq_opts="ra-stateful,ra-names"
+
+		local conf="/var/etc/dnsmasq.d/ipv6-router-$network.conf"
+		mkdir -p $(dirname $conf)
+		echo "dhcp-range=::1,constructor:$device,$dnsmasq_opts" > $conf
+		echo "enable-ra" >> $conf
+		/etc/init.d/dnsmasq restart
+	else
+		local pid="/var/run/ipv6-router-$network.pid"
+		start_service "/usr/sbin/6relayd -S . $device" "$pid"
+	fi
 
 	# Try relaying if necessary
 	restart_master_relay "$network"
-- 
2.30.2