From 9a62439c282490622d5817f3464b1870e9f1b87c Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Fri, 1 Feb 2013 12:28:39 +0000
Subject: odhcp6c: switch to userspace RA-handling and offload address
 assignment to netifd

SVN-Revision: 35419
---
 package/network/ipv6/odhcp6c/Makefile            |  4 +-
 package/network/ipv6/odhcp6c/files/dhcpv6.script | 73 +++++++++++++++---------
 package/network/ipv6/odhcp6c/files/dhcpv6.sh     |  7 ++-
 3 files changed, 54 insertions(+), 30 deletions(-)

diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index 6ac2c67f72..7b616c9c91 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -8,14 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcp6c
-PKG_VERSION:=2013-01-29
+PKG_VERSION:=2013-02-01
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_URL:=git://github.com/sbyx/odhcp6c.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=770741e98f2569ec0b00251ba9bf17a92e89221e
+PKG_SOURCE_VERSION:=7b3e29a4ff20f1b1e91fa65b5a0631462dbee06d
 PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index be91d16422..1f019353d5 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -3,33 +3,19 @@
 . /lib/functions.sh
 . /lib/netifd/netifd-proto.sh
 
-ipv6_conf() {
-	echo "$3" > "/proc/sys/net/ipv6/conf/$1/$2"
-}
-
-prepare_interface() {
-	local device="$1"
-	ipv6_conf "$device" accept_ra 2
-
-	# Send RS
-	if [ -x /usr/sbin/6relayd ]; then
-		sleep 1
-		/usr/sbin/6relayd -s "$device"
-		sleep 4
-		/usr/sbin/6relayd -s "$device"
-	fi
-
-}
-
-cleanup_interface() {
-	local device="$1"
-	ipv6_conf "$device" accept_ra 0
-}
-
 setup_interface () {
 	local device="$1"
 	proto_init_update "*" 1
 
+	# Merge RA-DNS
+	for radns in $RA_DNS; do
+		local duplicate=0
+		for dns in $RDNSS; do
+			[ "$radns" = "$dns" ] && duplicate=1
+		done
+		[ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
+	done
+
 	for dns in $RDNSS; do
 		proto_add_dns_server "$dns"
 	done
@@ -42,6 +28,43 @@ setup_interface () {
 		proto_add_ipv6_prefix "$prefix"
 	done
 
+	# Merge addresses
+	for entry in $RA_ADDRESSES; do
+		local duplicate=0
+		local addr="${entry%%/*}"
+		for dentry in $ADDRESSES; do
+			local daddr="${dentry%%/*}"
+			[ "$addr" = "$daddr" ] && duplicate=1
+		done
+		[ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
+	done
+
+	for entry in $ADDRESSES; do
+		local addr="${entry%%/*}"
+		entry="${entry#*/}"
+		local mask="${entry%%,*}"
+		entry="${entry#*,}"
+		local preferred="${entry%%,*}"
+		entry="${entry#*,}"
+		local valid="${entry%%,*}"
+
+		proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
+	done
+
+	for entry in $RA_ROUTES; do
+		local addr="${entry%%/*}"
+		entry="${entry#*/}"
+		local mask="${entry%%,*}"
+		entry="${entry#*,}"
+		local gw="${entry%%,*}"
+		entry="${entry#*,}"
+		local valid="${entry%%,*}"
+		entry="${entry#*,}"
+		local metric="${entry%%,*}"
+
+		proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
+	done
+
 	proto_send_update "$INTERFACE"
 
 	# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
@@ -53,12 +76,10 @@ teardown_interface() {
 }
 
 case "$2" in
-	informed|bound|updated|rebound)
+	informed|bound|updated|rebound|ra-updated)
 		setup_interface "$1"
-		prepare_interface "$1"
 	;;
 	started|stopped|unbound)
-		cleanup_interface "$1"
 		teardown_interface "$1"
 	;;
 esac
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.sh b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
index 14b6fb63b4..99867cd99d 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
@@ -9,14 +9,15 @@ proto_dhcpv6_init_config() {
 	proto_config_add_string "reqprefix"
 	proto_config_add_string "clientid"
 	proto_config_add_string "reqopts"
+	proto_config_add_string "allow_slaaconly"
 }
 
 proto_dhcpv6_setup() {
 	local config="$1"
 	local iface="$2"
 
-	local reqaddress reqprefix clientid reqopts
-	json_get_vars reqaddress reqprefix clientid reqopts
+	local reqaddress reqprefix clientid reqopts allow_slaaconly
+	json_get_vars reqaddress reqprefix clientid reqopts allow_slaaconly
 
 
 	# Configure
@@ -28,6 +29,8 @@ proto_dhcpv6_setup() {
 
 	[ -n "$clientid" ] && append opts "-c$clientid"
 
+	[ "$allow_slaaconly" = "1" ] && append opts "-S"
+
 	for opt in $reqopts; do
 		append opts "-r$opt"
 	done
-- 
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