From 12fa3eae23edcd839944aec31cde19bda7dc49de Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Thu, 20 Feb 2014 21:36:15 +0000
Subject: [PATCH] 6in4: add support for he.net updatekey

SVN-Revision: 39646
---
 package/network/ipv6/6in4/Makefile      | 2 +-
 package/network/ipv6/6in4/files/6in4.sh | 9 ++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/package/network/ipv6/6in4/Makefile b/package/network/ipv6/6in4/Makefile
index 992c5fc67b..ea211e92ef 100644
--- a/package/network/ipv6/6in4/Makefile
+++ b/package/network/ipv6/6in4/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6in4
-PKG_VERSION:=14
+PKG_VERSION:=15
 PKG_RELEASE:=1
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh
index c4e547f6de..6e53de1e45 100755
--- a/package/network/ipv6/6in4/files/6in4.sh
+++ b/package/network/ipv6/6in4/files/6in4.sh
@@ -14,8 +14,8 @@ proto_6in4_setup() {
 	local iface="$2"
 	local link="6in4-$cfg"
 
-	local mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password sourcerouting
-	json_get_vars mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password sourcerouting
+	local mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
+	json_get_vars mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
 
 	[ -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_ADDRESS"
@@ -62,11 +62,13 @@ proto_6in4_setup() {
 
 	proto_send_update "$cfg"
 
-	[ -n "$tunnelid" -a -n "$username" -a -n "$password" ] && {
+	[ -n "$tunnelid" -a -n "$username" -a \( -n "$password" -o -n "$updatekey" \) ] && {
 		[ "${#password}" == 32 -a -z "${password//[a-fA-F0-9]/}" ] || {
 			password="$(echo -n "$password" | md5sum)"; password="${password%% *}"
 		}
 
+		[ -n "$updatekey" ] && password="$updatekey"
+
 		local url="http://ipv4.tunnelbroker.net/ipv4_end.php?ip=AUTO&apikey=$username&pass=$password&tid=$tunnelid"
 		local try=0
 		local max=3
@@ -95,6 +97,7 @@ proto_6in4_init_config() {
 	proto_config_add_string "tunnelid"
 	proto_config_add_string "username"
 	proto_config_add_string "password"
+	proto_config_add_string "updatekey"
 	proto_config_add_int "mtu"
 	proto_config_add_int "ttl"
 	proto_config_add_boolean "sourcerouting"