ipv6-support: Add new IPv6-support meta-package

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34422 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/network/ipv6/ipv6-support/files/dhcpv6.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright (c) 2012 OpenWrt.org
+. /lib/ipv6/support.sh
+. /lib/netifd/netifd-proto.sh
+
+local device="$1"
+local state="$2"
+local network=""
+
+resolve_network network "$device"
+
+# Unknown network
+[ -z "$network" ] && exit 0
+
+
+# Announce prefixes
+for prefix in $PREFIXES; do
+	announce_prefix "$prefix" "$network"
+done
+
+for prefix in $PREFIXES_LOST; do
+	announce_prefix "$prefix" "$network" delprefix
+done
+
+
+# Enable relaying if requested
+local prefix_fallback
+config_get prefix_fallback "$network" prefix_fallback
+[ "$prefix_fallback" == "relay" -a -z "$PREFIXES" -a "$state" != "unbound" ] &&
+	restart_relay "$network" 1
+
+# Disable relay if requested
+[ "$prefix_fallback" != "relay" -o -n "$PREFIXES" -o "$state" == "unbound" ] &&
+	stop_relay "$network"
+
+
+# Operations in case of success
+[ "$state" == "timeout" || "$state" == "unbound" ] && exit 0
+
+local peerdns
+config_get_bool peerdns "$network" peerdns 0
+[ "peerdns" -eq "1" ] && {
+	proto_init_update "*" 1
+	for server in $RDNSS; do
+		proto_add_dns_server "$server"
+	done
+	for domain in $DOMAINS; do
+		proto_add_dns_search "$domain"
+	done
+	proto_send_update "$network"
+}
+