2012-03-19 23:10:04 +02:00
|
|
|
#!/bin/sh
|
2010-05-28 03:27:01 +03:00
|
|
|
# 6in4.sh - IPv6-in-IPv4 tunnel backend
|
2012-06-17 15:18:39 +03:00
|
|
|
# Copyright (c) 2010-2012 OpenWrt.org
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
[ -n "$INCLUDE_ONLY" ] || {
|
2012-06-05 19:04:23 +03:00
|
|
|
. /lib/functions.sh
|
2012-06-17 15:18:39 +03:00
|
|
|
. /lib/functions/network.sh
|
2012-03-19 23:10:04 +02:00
|
|
|
. ../netifd-proto.sh
|
|
|
|
init_proto "$@"
|
|
|
|
}
|
|
|
|
|
|
|
|
tun_error() {
|
|
|
|
local cfg="$1"; shift;
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
[ -n "$1" ] && proto_notify_error "$cfg" "$@"
|
|
|
|
proto_block_restart "$cfg"
|
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_6in4_setup() {
|
|
|
|
local cfg="$1"
|
|
|
|
local iface="$2"
|
|
|
|
local link="6in4-$cfg"
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-06-17 15:18:39 +03:00
|
|
|
local mtu ttl local4 peeraddr ip6addr tunnelid username password
|
|
|
|
json_get_vars mtu ttl local4 peeraddr ip6addr tunnelid username password
|
2012-03-19 23:10:04 +02:00
|
|
|
|
2012-06-17 15:18:39 +03:00
|
|
|
[ -z "$ip6addr" -o -z "$peeraddr" ] && {
|
2012-03-19 23:10:04 +02:00
|
|
|
tun_error "$cfg" "MISSING_ADDRESS"
|
|
|
|
return
|
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
[ -z "$local4" ] && {
|
2012-06-17 15:18:39 +03:00
|
|
|
local wanif
|
|
|
|
if ! network_find_wan wanif || ! network_get_ipaddr local4 "$wanif"; then
|
2012-03-19 23:10:04 +02:00
|
|
|
tun_error "$cfg" "NO_WAN_LINK"
|
|
|
|
return
|
2012-06-17 15:18:39 +03:00
|
|
|
fi
|
2010-05-29 01:03:30 +03:00
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
local local6="${ip6addr%%/*}"
|
|
|
|
local mask6="${ip6addr##*/}"
|
|
|
|
[[ "$local6" = "$mask6" ]] && mask6=
|
|
|
|
|
|
|
|
proto_init_update "$link" 1
|
|
|
|
proto_add_ipv6_address "$local6" "$mask6"
|
|
|
|
proto_add_ipv6_route "::" 0
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_add_tunnel
|
|
|
|
json_add_string mode sit
|
|
|
|
json_add_int mtu "${mtu:-1280}"
|
|
|
|
json_add_int ttl "${ttl:-64}"
|
|
|
|
json_add_string local "$local4"
|
2012-06-17 15:18:39 +03:00
|
|
|
json_add_string remote "$peeraddr"
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_close_tunnel
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_send_update "$cfg"
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
[ -n "$tunnelid" -a -n "$username" -a -n "$password" ] && {
|
|
|
|
[ "${#password}" == 32 -a -z "${password//[a-fA-F0-9]/}" ] || {
|
|
|
|
password="$(echo -n "$password" | md5sum)"; password="${password%% *}"
|
2010-05-29 01:03:30 +03:00
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
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 $max ]; do
|
|
|
|
wget -qO/dev/null "$url" 2>/dev/null && break
|
|
|
|
sleep 1
|
|
|
|
done
|
2010-05-29 01:03:30 +03:00
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
}
|
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_6in4_teardown() {
|
2010-05-28 03:27:01 +03:00
|
|
|
local cfg="$1"
|
2012-03-19 23:10:04 +02:00
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
proto_6in4_init_config() {
|
|
|
|
no_device=1
|
|
|
|
available=1
|
|
|
|
|
|
|
|
proto_config_add_string "ipaddr"
|
|
|
|
proto_config_add_string "ip6addr"
|
|
|
|
proto_config_add_string "peeraddr"
|
|
|
|
proto_config_add_string "tunnelid"
|
|
|
|
proto_config_add_string "username"
|
|
|
|
proto_config_add_string "password"
|
|
|
|
proto_config_add_int "mtu"
|
|
|
|
proto_config_add_int "ttl"
|
|
|
|
}
|
2010-05-28 03:27:01 +03:00
|
|
|
|
2012-03-19 23:10:04 +02:00
|
|
|
[ -n "$INCLUDE_ONLY" ] || {
|
|
|
|
add_protocol 6in4
|
2010-05-28 03:27:01 +03:00
|
|
|
}
|