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-rw-r--r--ppp/ip-down.ipv6to4105
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diff --git a/ppp/ip-down.ipv6to4 b/ppp/ip-down.ipv6to4
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+#!/bin/sh
+#
+# ip-down.ipv6to4
+#
+#
+# Taken from:
+# (P) & (C) 2000-2001 by Peter Bieringer <pb@bieringer.de>
+#
+# Version 2001-05-07
+#
+# Calling parameters:
+# $1: interface name
+#
+# Called by (mostly) /etc/ppp/ip-down.local
+# like: /etc/ppp/ip-down.ipv6to4 $1 >>/var/log/ppp-ipv6to4.log 2>&1
+#
+# Uses following information from /etc/sysconfig/network:
+# NETWORKING_IPV6=yes|no: controls IPv6 initialization (global setting)
+#
+# Uses following information from /etc/sysconfig/network-scripts/ifcfg-$1:
+# IPV6TO4INIT=yes|no: controls configuration
+# IPV6TO4_RELAY=IPv4addr: remote IPv6to4 relay address
+# IPV6TO4_ROUTING="eth0-:f101::0/64 eth1-:f102::0/64": information to setup local subnetting
+# IPV6TO4_CONTROL_RADVD=yes|no: controls radvd triggering
+# IPV6TO4_RADVD_PIDFILE=file: PID file of radvd for sending signals, default is "/var/run/radvd/radvd.pid"
+#
+
+
+if [ -z "$1" ]; then
+ echo $"Arg 1 is empty but should contain interface name - skip IPv6to4 initialization" >/dev/stderr
+ 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-$CONFIG
+source_config
+
+# Test if IPv6 is globally enabled
+if [ ! "${NETWORKING_IPV6}" = "yes" ]; then
+ # Global IPv6 switch not enabled, end now
+ exit 0
+fi
+
+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
+test_ipv6 testonly || exit 0
+
+
+# Shutdown of 6to4, if configured
+valid6to4config="yes"
+if [ -z "$IPV6TO4_RELAY" ]; then
+ valid6to4config="no"
+fi
+if [ "$valid6to4config" = "yes" ]; then
+ # Beep
+ if [ -x /usr/bin/beep ]; then /usr/bin/beep -f 2666; else echo -en "\a" >/dev/console; fi
+
+ if [ "$IPV6TO4_CONTROL_RADVD" = "yes" ]; then
+ # stop RADVD from distributing no longer usable 6to4 prefixes
+ if [ -z "$IPV6TO4_RADVD_PIDFILE" ]; then
+ # Take default
+ IPV6TO4_RADVD_PIDFILE="/var/run/radvd/radvd.pid"
+ fi
+ # Send SIGHUP to radvd
+ if [ -f "$IPV6TO4_RADVD_PIDFILE" ]; then
+ pid="`cat $IPV6TO4_RADVD_PIDFILE`"
+ if [ ! -z "$pid" ]; then
+ # still waiting for feature enabling: stopping distribution of prefixes in RADVD....
+ # kill -SOMETHING $pid
+ false
+ else
+ false
+ fi
+ fi
+ fi
+
+ # Delete all static IPv6to4 routes to relay
+ ifdown_ipv6_route_all sit0 ::$IPV6TO4_RELAY
+
+ if [ ! -z "$IPV6TO4_ROUTING" ]; then
+ # Delete routes to local networks
+ for devsuf in $IPV6TO4_ROUTING; do
+ dev="`echo $devsuf | awk -F- '{ print $1 }'`"
+ ifdown_ipv6_route_all $dev ::
+ done
+ fi
+
+ # Delete all configured 6to4 address
+ ifdown_ipv6to4_all sit0
+
+ # Beep
+ if [ -x /usr/bin/beep ]; then /usr/bin/beep -f 2000; else echo -en "\a" >/dev/console; fi
+fi