Felix Fietkau
13 years ago
parent
8a9e94b077
commit
d8d7529e0e
@ -1,68 +0,0 @@ |
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#!/bin/sh |
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if [ "$ACTION" = ifup ]; then |
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. /etc/functions.sh |
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include /lib/network |
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scan_interfaces |
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update_tunnel() { |
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local cfg="$1" |
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local proto |
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config_get proto "$cfg" proto |
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[ "$proto" = 6in4 ] || return 0 |
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local wandev |
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config_get wandev "$cfg" wan_device "$(find_6in4_wanif)" |
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[ "$wandev" = "$DEVICE" ] || return 0 |
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local wanip=$(find_6in4_wanip "$wandev") |
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[ -n "$wanip" ] && { |
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lsmod | grep -q ^sit || { |
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logger -t 6in4-update "Tunneling driver not loaded yet, deferring action" |
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exit 0 |
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} |
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local tunnelid |
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config_get tunnelid "$cfg" tunnelid |
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local username |
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config_get username "$cfg" username |
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local password |
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config_get password "$cfg" password |
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uci_set_state network "$cfg" ipaddr "$wanip" |
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[ -n "$tunnelid" ] && [ -n "$username" ] && [ -n "$password" ] && { |
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[ "${#password}" == 32 -a -z "${password//[a-fA-F0-9]/}" ] || { |
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password="$(echo -n "$password" | md5sum)"; password="${password%% *}" |
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} |
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( |
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local url="http://ipv4.tunnelbroker.net/ipv4_end.php?ip=AUTO&apikey=$username&pass=$password&tid=$tunnelid" |
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local try=0 |
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local max=3 |
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while [ $((++try)) -le $max ]; do |
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wget -qO/dev/null "$url" 2>/dev/null && { |
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logger -t 6in4-update "Updated tunnel #$tunnelid endpoint to $wanip" |
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ifup "$cfg" |
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break |
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} || { |
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logger -t 6in4-update "Try $try/$max failed, retrying" |
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sleep 1 |
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} |
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done |
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)& |
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} || { |
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logger -t 6in4-update "Re-establishing tunnel due to change on $INTERFACE ($DEVICE)" |
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ifup "$cfg" & |
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} |
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} |
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} |
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config_foreach update_tunnel interface |
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fi |
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@ -1,104 +0,0 @@ |
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# 6in4.sh - IPv6-in-IPv4 tunnel backend |
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# Copyright (c) 2010 OpenWrt.org |
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find_6in4_wanif() { |
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local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}" |
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[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if" |
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} |
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find_6in4_wanip() { |
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local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }" |
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echo "${ip%%[^0-9.]*}" |
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} |
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# Hook into scan_interfaces() to synthesize a .device option |
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# This is needed for /sbin/ifup to properly dispatch control |
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# to setup_interface_6in4() even if no .ifname is set in |
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# the configuration. |
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scan_6in4() { |
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config_set "$1" device "6in4-$1" |
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} |
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coldplug_interface_6in4() { |
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setup_interface_6in4 "6in4-$1" "$1" |
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} |
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setup_interface_6in4() { |
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local iface="$1" |
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local cfg="$2" |
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local link="6in4-$cfg" |
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local local4=$(uci_get network "$cfg" ipaddr) |
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local remote4 |
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config_get remote4 "$cfg" peeraddr |
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local local6 |
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config_get local6 "$cfg" ip6addr |
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local mtu |
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config_get mtu "$cfg" mtu |
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local ttl |
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config_get ttl "$cfg" ttl |
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local metric |
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config_get metric "$cfg" metric |
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local defaultroute |
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config_get_bool defaultroute "$cfg" defaultroute 1 |
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# If local4 is unset, guess local IPv4 address from the |
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# interface used by the default route. |
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[ -z "$local4" ] && { |
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local wanif=$(find_6in4_wanif) |
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[ -n "$wanif" ] && { |
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local4=$(find_6in4_wanip "$wanif") |
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uci_set_state network "$cfg" wan_device "$wanif" |
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} |
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} |
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[ -n "$local4" ] && { |
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# creating the tunnel below will trigger a net subsystem event |
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# prevent it from touching or iface by disabling .auto here |
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uci_set_state network "$cfg" ifname $link |
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uci_set_state network "$cfg" auto 0 |
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ip tunnel add $link mode sit remote $remote4 local $local4 ttl ${ttl:-64} |
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ip link set $link up |
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ip link set mtu ${mtu:-1280} dev $link |
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ip addr add $local6 dev $link |
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uci_set_state network "$cfg" ipaddr $local4 |
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uci_set_state network "$cfg" ip6addr $local6 |
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[ "$defaultroute" = 1 ] && { |
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ip -6 route add ::/0 ${metric:+metric $metric} dev $link |
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uci_set_state network "$cfg" defaultroute 1 |
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} |
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env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & |
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} || { |
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echo "Cannot determine local IPv4 address for 6in4 tunnel $cfg - skipping" |
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} |
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} |
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stop_interface_6in4() { |
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local cfg="$1" |
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local link="6in4-$cfg" |
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local local6=$(uci_get_state network "$cfg" ip6addr) |
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local defaultroute=$(uci_get_state network "$cfg" defaultroute) |
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grep -qs "^ *$link:" /proc/net/dev && { |
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & |
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[ "$defaultroute" = "1" ] && { |
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ip -6 route del ::/0 dev $link |
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} |
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ip addr del $local6 dev $link |
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ip link set $link down |
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ip tunnel del $link |
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} |
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} |
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