From 76608e477b3ccd2c909c057a62624411d009a09c Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Fri, 24 May 2013 13:03:32 +0000
Subject: [PATCH] AA: backport 6in4 from trunk

SVN-Revision: 36706
---
 package/6in4/Makefile      |  2 +-
 package/6in4/files/6in4.sh | 27 +++++++++++++++++----------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/package/6in4/Makefile b/package/6in4/Makefile
index fdab290861..7090234358 100644
--- a/package/6in4/Makefile
+++ b/package/6in4/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6in4
-PKG_VERSION:=11
+PKG_VERSION:=14
 PKG_RELEASE:=1
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/6in4/files/6in4.sh b/package/6in4/files/6in4.sh
index 71bc68940c..647a2f89cf 100755
--- a/package/6in4/files/6in4.sh
+++ b/package/6in4/files/6in4.sh
@@ -14,10 +14,10 @@ proto_6in4_setup() {
 	local iface="$2"
 	local link="6in4-$cfg"
 
-	local mtu ttl ipaddr peeraddr ip6addr tunnelid username password
-	json_get_vars mtu ttl ipaddr peeraddr ip6addr tunnelid username password
+	local mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password
+	json_get_vars mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password
 
-	[ -z "$ip6addr" -o -z "$peeraddr" ] && {
+	[ -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_ADDRESS"
 		proto_block_restart "$cfg"
 		return
@@ -33,14 +33,18 @@ proto_6in4_setup() {
 		fi
 	}
 
-	local local6="${ip6addr%%/*}"
-	local mask6="${ip6addr##*/}"
-	[[ "$local6" = "$mask6" ]] && mask6=
-
 	proto_init_update "$link" 1
-	proto_add_ipv6_address "$local6" "$mask6"
 	proto_add_ipv6_route "::" 0
 
+	[ -n "$ip6addr" ] && {
+		local local6="${ip6addr%%/*}"
+		local mask6="${ip6addr##*/}"
+		[[ "$local6" = "$mask6" ]] && mask6=
+		proto_add_ipv6_address "$local6" "$mask6"
+	}
+
+	[ -n "$ip6prefix" ] && proto_add_ipv6_prefix "$ip6prefix"
+
 	proto_add_tunnel
 	json_add_string mode sit
 	json_add_int mtu "${mtu:-1280}"
@@ -61,8 +65,10 @@ proto_6in4_setup() {
 		local max=3
 
 		while [ $((++try)) -le $max ]; do
-			wget -qO/dev/null "$url" 2>/dev/null && break
-			sleep 1
+			( exec wget -qO/dev/null "$url" 2>/dev/null ) &
+			local pid=$!
+			( sleep 5; kill $pid 2>/dev/null ) &
+			wait $pid && break
 		done
 	}
 }
@@ -77,6 +83,7 @@ proto_6in4_init_config() {
 
 	proto_config_add_string "ipaddr"
 	proto_config_add_string "ip6addr"
+	proto_config_add_string "ip6prefix"
 	proto_config_add_string "peeraddr"
 	proto_config_add_string "tunnelid"
 	proto_config_add_string "username"
-- 
2.30.2