etc/ppp/ip-down.ipv6to4000075500000006216147207542000010741 0ustar00#!/bin/sh # # ip-down.ipv6to4 # # # Taken from: # (P) & (C) 2000-2005 by Peter Bieringer # # You will find more information on the initscripts-ipv6 homepage at # http://www.deepspace6.net/projects/initscripts-ipv6.html # # Version 2005-09-22 # # Calling parameters: # $1: interface name # # Called (mostly) by /etc/ppp/ip-down.local # like: /etc/ppp/ip-down.ipv6to4 $1 >>/var/log/ppp-ipv6to4.log 2>&1 # # Note: this script will *check* whether the existing 6to4 tunnel # was set before by using "ip-up.ipv6to4" comparing IPv4 address # of device with the generated 6to4 prefix # # Uses following information from /etc/sysconfig/network-scripts/ifcfg-$1: # IPV6TO4INIT=yes|no: controls configuration # IPV6TO4_ROUTING="-/ ...": information to setup additional interfaces # # IPV6_CONTROL_RADVD=yes|no: controls radvd triggering # IPV6_RADVD_PIDFILE=: PID file of radvd for sending signals, default is "/var/run/radvd/radvd.pid" # IPV6_RADVD_TRIGGER_ACTION=startstop|reload|restart|SIGHUP: how to trigger radvd (optional, default is SIGHUP) # if [ -z "$1" ]; then echo $"Argument 1 is empty but should contain interface name - skip IPv6to4 initialization" exit 1 fi # Get global network configuration . /etc/sysconfig/network # Source IPv4 helper functions cd /etc/sysconfig/network-scripts . ./network-functions CONFIG=$1 [ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG source_config # IPv6 don't need aliases anymore, config is skipped REALDEVICE=${DEVICE%%:*} [ "$DEVICE" != "$REALDEVICE" ] && exit 0 if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then exit 1 fi . /etc/sysconfig/network-scripts/network-functions-ipv6 # Run basic IPv6 test, if not ok, skip IPv6 initialization ipv6_test testonly || exit 0 # Test status of ppp device ipv6_test_device_status $DEVICE if [ $? != 0 -a $? != 11 ]; then # device doesn't exist or other problem occurs exit 1 fi # Test status of tun6to4 device ipv6_test_device_status tun6to4 if [ $? = 0 -o $? = 11 ]; then # Device exists valid6to4config="yes" # Get IPv4 address from interface ipv4addr="$(ipv6_get_ipv4addr_of_device $DEVICE)" if [ -z "$ipv4addr" ]; then # Has no IPv4 address valid6to4config="no" fi # Get local IPv4 address of dedicated tunnel ipv4addr6to4local="$(ipv6_get_ipv4addr_of_tunnel tun6to4 local)" # IPv6to4 not enabled on this interface? if [ $IPV6TO4INIT != "yes" ]; then # Check against configured 6to4 tunnel to see if this interface was regardless used before if [ "$ipv4addr" != "$ipv4addr6to4local" ]; then # IPv4 address of interface does't match local tunnel address, interface was not used for current 6to4 setup valid6to4config="no" fi fi fi if [ "$valid6to4config" = "yes" ]; then if [ "$IPV6_CONTROL_RADVD" = "yes" ]; then # Control running radvd ipv6_trigger_radvd down "$IPV6_RADVD_TRIGGER_ACTION" $IPV6_RADVD_PIDFILE fi if [ -n "$IPV6TO4_ROUTING" ]; then # Delete routes to local networks for devsuf in $IPV6TO4_ROUTING; do dev="${devsuf%%-*}" ipv6_cleanup_6to4_device $dev done fi # Delete all configured 6to4 address ipv6_cleanup_6to4_tunnels tun6to4 fi