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-rwxr-xr-xpackage/network/ipv6/6in4/files/6in4.sh97
1 files changed, 97 insertions, 0 deletions
diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh
new file mode 100755
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--- /dev/null
+++ b/package/network/ipv6/6in4/files/6in4.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+# 6in4.sh - IPv6-in-IPv4 tunnel backend
+# Copyright (c) 2010-2012 OpenWrt.org
+
+[ -n "$INCLUDE_ONLY" ] || {
+ . /lib/functions.sh
+ . /lib/functions/network.sh
+ . ../netifd-proto.sh
+ init_proto "$@"
+}
+
+proto_6in4_setup() {
+ local cfg="$1"
+ local iface="$2"
+ local link="6in4-$cfg"
+
+ local mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password
+ json_get_vars mtu ttl ipaddr peeraddr ip6addr ip6prefix tunnelid username password
+
+ [ -z "$peeraddr" ] && {
+ proto_notify_error "$cfg" "MISSING_ADDRESS"
+ proto_block_restart "$cfg"
+ return
+ }
+
+ ( proto_add_host_dependency "$cfg" 0.0.0.0 )
+
+ [ -z "$ipaddr" ] && {
+ local wanif
+ if ! network_find_wan wanif || ! network_get_ipaddr ipaddr "$wanif"; then
+ proto_notify_error "$cfg" "NO_WAN_LINK"
+ return
+ fi
+ }
+
+ proto_init_update "$link" 1
+ 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}"
+ json_add_int ttl "${ttl:-64}"
+ json_add_string local "$ipaddr"
+ json_add_string remote "$peeraddr"
+ proto_close_tunnel
+
+ proto_send_update "$cfg"
+
+ [ -n "$tunnelid" -a -n "$username" -a -n "$password" ] && {
+ [ "${#password}" == 32 -a -z "${password//[a-fA-F0-9]/}" ] || {
+ password="$(echo -n "$password" | md5sum)"; password="${password%% *}"
+ }
+
+ local url="http://ipv4.tunnelbroker.net/ipv4_end.php?ip=AUTO&apikey=$username&pass=$password&tid=$tunnelid"
+ local try=0
+ local max=3
+
+ while [ $((++try)) -le $max ]; do
+ ( exec wget -qO/dev/null "$url" 2>/dev/null ) &
+ local pid=$!
+ ( sleep 5; kill $pid 2>/dev/null ) &
+ wait $pid && break
+ done
+ }
+}
+
+proto_6in4_teardown() {
+ local cfg="$1"
+}
+
+proto_6in4_init_config() {
+ no_device=1
+ available=1
+
+ proto_config_add_string "ipaddr"
+ proto_config_add_string "ip6addr"
+ proto_config_add_string "ip6prefix"
+ proto_config_add_string "peeraddr"
+ proto_config_add_string "tunnelid"
+ proto_config_add_string "username"
+ proto_config_add_string "password"
+ proto_config_add_int "mtu"
+ proto_config_add_int "ttl"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+ add_protocol 6in4
+}