mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 06:43:43 +02:00
5fe04db16c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31036 3c298f89-4303-0410-b956-a3cf2f4a3e73
139 lines
3.0 KiB
Bash
Executable File
139 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
|
|
# 6in4.sh - IPv6-in-IPv4 tunnel backend
|
|
# Copyright (c) 2010 OpenWrt.org
|
|
|
|
[ -n "$INCLUDE_ONLY" ] || {
|
|
. /etc/functions.sh
|
|
. ../netifd-proto.sh
|
|
init_proto "$@"
|
|
}
|
|
|
|
find_6in4_wanif() {
|
|
local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
|
|
[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
|
|
}
|
|
|
|
find_6in4_wanip() {
|
|
local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
|
|
echo "${ip%%[^0-9.]*}"
|
|
}
|
|
|
|
# Hook into scan_interfaces() to synthesize a .device option
|
|
# This is needed for /sbin/ifup to properly dispatch control
|
|
# to setup_interface_6in4() even if no .ifname is set in
|
|
# the configuration.
|
|
scan_6in4() {
|
|
config_set "$1" device "6in4-$1"
|
|
}
|
|
|
|
coldplug_interface_6in4() {
|
|
setup_interface_6in4 "6in4-$1" "$1"
|
|
}
|
|
|
|
|
|
tun_error() {
|
|
local cfg="$1"; shift;
|
|
|
|
[ -n "$1" ] && proto_notify_error "$cfg" "$@"
|
|
proto_block_restart "$cfg"
|
|
}
|
|
|
|
proto_6in4_setup() {
|
|
local cfg="$1"
|
|
local iface="$2"
|
|
local link="6in4-$cfg"
|
|
|
|
json_get_var mtu mtu
|
|
json_get_var ttl ttl
|
|
json_get_var local4 ipaddr
|
|
json_get_var remote4 peeraddr
|
|
json_get_var ip6addr ip6addr
|
|
json_get_var tunnelid tunnelid
|
|
json_get_var username username
|
|
json_get_var password password
|
|
|
|
[ -z "$ip6addr" -o -z "$remote4" ] && {
|
|
tun_error "$cfg" "MISSING_ADDRESS"
|
|
return
|
|
}
|
|
|
|
[ -z "$local4" ] && {
|
|
local wanif=$(find_6in4_wanif)
|
|
[ -z "$wanif" ] && {
|
|
tun_error "$cfg" "NO_WAN_LINK"
|
|
return
|
|
}
|
|
|
|
. /lib/network/config.sh
|
|
local wancfg="$(find_config "$wanif")"
|
|
[ -z "$wancfg" ] && {
|
|
tun_error "$cfg" "NO_WAN_LINK"
|
|
return
|
|
}
|
|
|
|
# If local4 is unset, guess local IPv4 address from the
|
|
# interface used by the default route.
|
|
[ -n "$wanif" ] && local4=$(find_6in4_wanip "$wanif")
|
|
|
|
[ -z "$local4" ] && {
|
|
tun_error "$cfg" "NO_WAN_LINK"
|
|
return
|
|
}
|
|
}
|
|
|
|
local local6="${ip6addr%%/*}"
|
|
local mask6="${ip6addr##*/}"
|
|
[[ "$local6" = "$mask6" ]] && mask6=
|
|
|
|
proto_init_update "$link" 1
|
|
proto_add_ipv6_address "$local6" "$mask6"
|
|
proto_add_ipv6_route "::" 0
|
|
|
|
proto_add_tunnel
|
|
json_add_string mode sit
|
|
json_add_int mtu "${mtu:-1280}"
|
|
json_add_int ttl "${ttl:-64}"
|
|
json_add_string local "$local4"
|
|
json_add_string remote "$remote4"
|
|
proto_close_tunnel
|
|
|
|
proto_send_update "$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 $max ]; do
|
|
wget -qO/dev/null "$url" 2>/dev/null && break
|
|
sleep 1
|
|
done
|
|
}
|
|
}
|
|
|
|
proto_6in4_teardown() {
|
|
local cfg="$1"
|
|
}
|
|
|
|
proto_6in4_init_config() {
|
|
no_device=1
|
|
available=1
|
|
|
|
proto_config_add_string "ipaddr"
|
|
proto_config_add_string "ip6addr"
|
|
proto_config_add_string "peeraddr"
|
|
proto_config_add_string "tunnelid"
|
|
proto_config_add_string "username"
|
|
proto_config_add_string "password"
|
|
proto_config_add_int "mtu"
|
|
proto_config_add_int "ttl"
|
|
}
|
|
|
|
[ -n "$INCLUDE_ONLY" ] || {
|
|
add_protocol 6in4
|
|
}
|