2 # 6in4.sh - IPv6-in-IPv4 tunnel backend
3 # Copyright (c) 2010-2014 OpenWrt.org
5 [ -n "$INCLUDE_ONLY" ] ||
{
7 .
/lib
/functions
/network.sh
15 local link
="6in4-$cfg"
17 local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
18 json_get_vars mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
20 [ -z "$peeraddr" ] && {
21 proto_notify_error
"$cfg" "MISSING_ADDRESS"
22 proto_block_restart
"$cfg"
26 ( proto_add_host_dependency
"$cfg" 0.0.0.0 )
30 if ! network_find_wan wanif ||
! network_get_ipaddr ipaddr
"$wanif"; then
31 proto_notify_error
"$cfg" "NO_WAN_LINK"
36 proto_init_update
"$link" 1
39 [ "$sourcerouting" != "0" ] && source="::/128"
40 proto_add_ipv6_route
"::" 0 "" "" "" "$source"
42 [ -n "$ip6addr" ] && {
43 local local6
="${ip6addr%%/*}"
44 local mask6
="${ip6addr##*/}"
45 [[ "$local6" = "$mask6" ]] && mask6
=
46 proto_add_ipv6_address
"$local6" "$mask6"
47 [ "$sourcerouting" != "0" ] && proto_add_ipv6_route
"::" 0 "" "" "" "$local6/$mask6"
50 [ -n "$ip6prefix" ] && {
51 proto_add_ipv6_prefix
"$ip6prefix"
52 [ "$sourcerouting" != "0" ] && proto_add_ipv6_route
"::" 0 "" "" "" "$ip6prefix"
56 json_add_string mode sit
57 json_add_int mtu
"${mtu:-1280}"
58 json_add_int ttl
"${ttl:-64}"
59 [ -n "$tos" ] && json_add_string tos
"$tos"
60 json_add_string
local "$ipaddr"
61 json_add_string remote
"$peeraddr"
64 proto_send_update
"$cfg"
66 [ -n "$tunnelid" -a -n "$username" -a \
( -n "$password" -o -n "$updatekey" \
) ] && {
67 [ -n "$updatekey" ] && password
="$updatekey"
69 local url
="http://ipv4.tunnelbroker.net/nic/update?username=$username&password=$password&hostname=$tunnelid"
73 while [ $
((++try
)) -le $max ]; do
74 ( exec wget
-qO/dev
/null
"$url" 2>/dev
/null
) &
76 ( sleep 5; kill $pid 2>/dev
/null
) &
82 proto_6in4_teardown
() {
86 proto_6in4_init_config
() {
90 proto_config_add_string
"ipaddr"
91 proto_config_add_string
"ip6addr"
92 proto_config_add_string
"ip6prefix"
93 proto_config_add_string
"peeraddr"
94 proto_config_add_string
"tunnelid"
95 proto_config_add_string
"username"
96 proto_config_add_string
"password"
97 proto_config_add_string
"updatekey"
98 proto_config_add_int
"mtu"
99 proto_config_add_int
"ttl"
100 proto_config_add_string
"tos"
101 proto_config_add_boolean
"sourcerouting"
104 [ -n "$INCLUDE_ONLY" ] ||
{