mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-27 21:44:04 +02:00
[package] add 6to4 - provides full automatic 6to setup with optional configuration in /etc/config/network
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23996 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow
parent
1caf373d39
commit
3abe70cd87
44
package/6to4/Makefile
Normal file
44
package/6to4/Makefile
Normal file
@ -0,0 +1,44 @@
|
||||
#
|
||||
# Copyright (C) 2010 OpenWrt.org
|
||||
#
|
||||
# This is free software, licensed under the GNU General Public License v2.
|
||||
# See /LICENSE for more information.
|
||||
#
|
||||
|
||||
include $(TOPDIR)/rules.mk
|
||||
|
||||
PKG_NAME:=6to4
|
||||
PKG_VERSION:=1
|
||||
PKG_RELEASE:=1
|
||||
|
||||
include $(INCLUDE_DIR)/package.mk
|
||||
|
||||
define Package/6to4
|
||||
SECTION:=ipv6
|
||||
CATEGORY:=IPv6
|
||||
DEPENDS:=+ip +kmod-ipv6 +kmod-sit
|
||||
TITLE:=IPv6-to-IPv4 configuration support
|
||||
MAINTAINER:=Jo-Philipp Wich <xm@subsignal.org>
|
||||
PKGARCH:=all
|
||||
endef
|
||||
|
||||
define Package/6to4/description
|
||||
Provides support for 6to4 tunnels in /etc/config/network.
|
||||
Refer to http://wiki.openwrt.org/doc/uci/network for
|
||||
configuration details.
|
||||
endef
|
||||
|
||||
define Build/Compile
|
||||
endef
|
||||
|
||||
define Build/Configure
|
||||
endef
|
||||
|
||||
define Package/6to4/install
|
||||
$(INSTALL_DIR) $(1)/lib/network
|
||||
$(INSTALL_DATA) ./files/6to4.sh $(1)/lib/network/6to4.sh
|
||||
$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
|
||||
$(INSTALL_DATA) ./files/6to4.hotplug $(1)/etc/hotplug.d/iface/91-6to4
|
||||
endef
|
||||
|
||||
$(eval $(call BuildPackage,6to4))
|
||||
29
package/6to4/files/6to4.hotplug
Normal file
29
package/6to4/files/6to4.hotplug
Normal file
@ -0,0 +1,29 @@
|
||||
#!/bin/sh
|
||||
|
||||
if [ "$ACTION" = ifup ]; then
|
||||
. /etc/functions.sh
|
||||
|
||||
include /lib/network
|
||||
scan_interfaces
|
||||
|
||||
update_tunnel() {
|
||||
local cfg="$1"
|
||||
|
||||
local proto
|
||||
config_get proto "$cfg" proto
|
||||
[ "$proto" = 6to4 ] || return 0
|
||||
|
||||
local wandev
|
||||
config_get wandev "$cfg" wan_device "$(find_6to4_wanif)"
|
||||
[ "$wandev" = "$DEVICE" ] || return 0
|
||||
|
||||
local wanip=$(find_6to4_wanip "$wandev")
|
||||
|
||||
[ -n "$wanip" ] && {
|
||||
uci_set_state network "$cfg" ipaddr "$wanip"
|
||||
( ifup "$cfg" )&
|
||||
}
|
||||
}
|
||||
|
||||
config_foreach update_tunnel interface
|
||||
fi
|
||||
190
package/6to4/files/6to4.sh
Executable file
190
package/6to4/files/6to4.sh
Executable file
@ -0,0 +1,190 @@
|
||||
# 6to4.sh - IPv6-in-IPv4 tunnel backend
|
||||
# Copyright (c) 2010 OpenWrt.org
|
||||
|
||||
find_6to4_wanif() {
|
||||
local if=$(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 "$if"
|
||||
}
|
||||
|
||||
find_6to4_wanip() {
|
||||
local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
|
||||
echo "${ip%%[^0-9.]*}"
|
||||
}
|
||||
|
||||
find_6to4_prefix() {
|
||||
local ip4="$1"
|
||||
local oIFS="$IFS"; IFS="."; set -- $ip4; IFS="$oIFS"
|
||||
|
||||
printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
|
||||
}
|
||||
|
||||
# Hook into scan_interfaces() to synthesize a .device option
|
||||
# This is needed for /sbin/ifup to properly dispatch control
|
||||
# to setup_interface_6to4() even if no .ifname is set in
|
||||
# the configuration.
|
||||
scan_6to4() {
|
||||
config_set "$1" device "6to4-$1"
|
||||
}
|
||||
|
||||
coldplug_interface_6to4() {
|
||||
setup_interface_6to4 "6to4-$1" "$1"
|
||||
}
|
||||
|
||||
setup_interface_6to4() {
|
||||
local iface="$1"
|
||||
local cfg="$2"
|
||||
local link="6to4-$cfg"
|
||||
|
||||
local local4=$(uci_get network "$cfg" ipaddr)
|
||||
|
||||
local remote4
|
||||
config_get remote4 "$cfg" peeraddr
|
||||
|
||||
local mtu
|
||||
config_get mtu "$cfg" mtu
|
||||
|
||||
local ttl
|
||||
config_get ttl "$cfg" ttl
|
||||
|
||||
local defaultroute
|
||||
config_get_bool defaultroute "$cfg" defaultroute 1
|
||||
|
||||
local wanif=$(find_6to4_wanif)
|
||||
[ -z "$wanif" ] && {
|
||||
logger -t "$link" "Cannot find wan interface - aborting"
|
||||
return
|
||||
}
|
||||
|
||||
local wancfg=$(find_config "$wanif")
|
||||
[ -z "$wancfg" ] && {
|
||||
logger -t "$link" "Cannot find wan network - aborting"
|
||||
return
|
||||
}
|
||||
|
||||
# If local4 is unset, guess local IPv4 address from the
|
||||
# interface used by the default route.
|
||||
[ -z "$local4" ] && {
|
||||
[ -n "$wanif" ] && {
|
||||
local4=$(find_6to4_wanip "$wanif")
|
||||
uci_set_state network "$cfg" wan_device "$wanif"
|
||||
}
|
||||
}
|
||||
|
||||
[ -n "$local4" ] && {
|
||||
logger -t "$link" "Starting ..."
|
||||
|
||||
# creating the tunnel below will trigger a net subsystem event
|
||||
# prevent it from touching or iface by disabling .auto here
|
||||
uci_set_state network "$cfg" ifname $link
|
||||
uci_set_state network "$cfg" auto 0
|
||||
|
||||
# find our local prefix
|
||||
local prefix6=$(find_6to4_prefix "$local4")
|
||||
local local6="$prefix6::1/16"
|
||||
|
||||
logger -t "$link" " * IPv4 address is $local4"
|
||||
logger -t "$link" " * IPv6 address is $local6"
|
||||
ip tunnel add $link mode sit remote any local $local4 ttl ${ttl:-64}
|
||||
ip link set $link up
|
||||
ip link set mtu ${mtu:-1280} dev $link
|
||||
ip addr add $local6 dev $link
|
||||
|
||||
uci_set_state network "$cfg" ipaddr $local4
|
||||
uci_set_state network "$cfg" ip6addr $local6
|
||||
|
||||
[ "$defaultroute" = 1 ] && {
|
||||
logger -t "$link" " * Adding default route"
|
||||
ip -6 route add 2000::/3 via ::192.88.99.1 dev $link metric 1
|
||||
uci_set_state network "$cfg" defaultroute 1
|
||||
}
|
||||
|
||||
# find delegation target
|
||||
local adv_interface
|
||||
config_get adv_interface "$cfg" adv_interface
|
||||
|
||||
local adv_ifname
|
||||
config_get adv_ifname "${adv_interface:-lan}" ifname
|
||||
|
||||
local adv_subnet=$(uci_get network "$cfg" adv_subnet)
|
||||
|
||||
grep -qs "^ *$adv_ifname:" /proc/net/dev && {
|
||||
local subnet6="$prefix6:${adv_subnet:-1}::1/64"
|
||||
|
||||
logger -t "$link" " * Advertising IPv6 subnet $subnet6 on ${adv_interface:-lan} ($adv_ifname)"
|
||||
ip -6 addr add $subnet6 dev $adv_ifname
|
||||
uci_set_state network "$cfg" adv_subnet "$subnet6"
|
||||
uci_set_state network "$cfg" adv_ifname "$adv_ifname"
|
||||
|
||||
[ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && {
|
||||
local sid="6to4_$cfg"
|
||||
|
||||
uci -q batch <<-EOF
|
||||
delete radvd.iface_$sid
|
||||
delete radvd.prefix_$sid
|
||||
set radvd.iface_$sid=interface
|
||||
set radvd.iface_$sid.ignore=0
|
||||
set radvd.iface_$sid.interface=${adv_interface:-lan}
|
||||
set radvd.iface_$sid.IgnoreIfMissing=1
|
||||
set radvd.iface_$sid.AdvSendAdvert=1
|
||||
set radvd.iface_$sid.MaxRtrAdvInterval=30
|
||||
set radvd.prefix_$sid=prefix
|
||||
set radvd.prefix_$sid.ignore=0
|
||||
set radvd.prefix_$sid.interface=${adv_interface:-lan}
|
||||
set radvd.prefix_$sid.prefix=0:0:0:${adv_subnet:-1}::/64
|
||||
set radvd.prefix_$sid.AdvOnLink=1
|
||||
set radvd.prefix_$sid.AdvAutonomous=1
|
||||
set radvd.prefix_$sid.AdvValidLifetime=300
|
||||
set radvd.prefix_$sid.AdvPreferredLifetime=120
|
||||
set radvd.prefix_$sid.Base6to4Interface=$wancfg
|
||||
EOF
|
||||
|
||||
/etc/init.d/radvd restart
|
||||
}
|
||||
}
|
||||
|
||||
logger -t "$link" "... started"
|
||||
|
||||
env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6to4 /sbin/hotplug-call "iface" &
|
||||
} || {
|
||||
echo "Cannot determine local IPv4 address for 6to4 tunnel $cfg - skipping"
|
||||
}
|
||||
}
|
||||
|
||||
stop_interface_6to4() {
|
||||
local cfg="$1"
|
||||
local link="6to4-$cfg"
|
||||
|
||||
local local6=$(uci_get_state network "$cfg" ip6addr)
|
||||
local defaultroute=$(uci_get_state network "$cfg" defaultroute)
|
||||
|
||||
local adv_subnet=$(uci_get_state network "$cfg" adv_subnet)
|
||||
local adv_ifname=$(uci_get_state network "$cfg" adv_ifname)
|
||||
|
||||
grep -qs "^ *$link:" /proc/net/dev && {
|
||||
logger -t "$link" "Shutting down ..."
|
||||
env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6to4 /sbin/hotplug-call "iface" &
|
||||
|
||||
[ -n "$adv_subnet" ] && [ -n "$adv_ifname" ] && {
|
||||
local sid="6to4_$cfg"
|
||||
|
||||
uci -q batch <<-EOF
|
||||
delete radvd.iface_$sid
|
||||
delete radvd.prefix_$sid
|
||||
EOF
|
||||
|
||||
/etc/init.d/radvd enabled && /etc/init.d/radvd restart
|
||||
|
||||
ip -6 addr del $adv_subnet dev $adv_ifname
|
||||
}
|
||||
|
||||
[ "$defaultroute" = "1" ] && {
|
||||
ip -6 route del 2000::/3 via ::192.88.99.1 dev $link metric 1
|
||||
}
|
||||
|
||||
ip addr del $local6 dev $link
|
||||
ip link set $link down
|
||||
ip tunnel del $link
|
||||
|
||||
logger -t "$link" "... stopped"
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user