Gestionnaire de fichiers - Editer - /etc/sysconfig/network-scripts/ifdown-ipv6
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#!/bin/sh # # ifdown-ipv6 # # # Taken from: # (P) & (C) 2000-2004 by Peter Bieringer <pb@bieringer.de> # # You will find more information on the initscripts-ipv6 homepage at # http://www.deepspace6.net/projects/initscripts-ipv6.html # # RHL integration assistance by Pekka Savola <pekkas@netcore.fi> # # Version 2005-09-22 # # Note: if called as (like normally) by /etc/sysconfig/network-scripts/ifdown # exit codes aren't handled by "ifdown" # # Uses following information from /etc/sysconfig/network-scripts/ifcfg-$1: # DEVICE=<device> # IPV6INIT=yes|no: controls IPv6 configuration for this interface # # Optional for 6to4 tunneling: # IPV6TO4_RELAY=<IPv4 address>: IPv4 address of the remote 6to4 relay [default: 192.88.99.1] # IPV6TO4_ROUTING="<device>-<suffix>/<prefix length> ...": information to setup internal interfaces # # Optional for 6to4 tunneling links to trigger radvd: # IPV6_CONTROL_RADVD=yes|no: controls radvd triggering [optional] # IPV6_RADVD_PIDFILE=<file>: PID file of radvd for sending signals, default is "/var/run/radvd/radvd.pid" [optional] # IPV6_RADVD_TRIGGER_ACTION=startstop|reload|restart|SIGHUP: how to trigger radvd [optional, default is SIGHUP] # # Required version of radvd to use 6to4 prefix recalculation # 0.6.2p3 or newer supporting option "Base6to4Interface" # Required version of radvd to use dynamic ppp links # 0.7.0 + fixes or newer # . /etc/sysconfig/network cd /etc/sysconfig/network-scripts . ./network-functions CONFIG=$1 [ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG source_config REALDEVICE=${DEVICE%%:*} DEVICE=$REALDEVICE [ -f /etc/sysconfig/network-scripts/network-functions-ipv6 ] || exit 1 . /etc/sysconfig/network-scripts/network-functions-ipv6 # IPv6 test, no module loaded, exit if system is not IPv6-ready ipv6_test testonly || exit 0 # Test device status ipv6_test_device_status $DEVICE if [ $? != 0 -a $? != 11 ]; then # device doesn't exist or other problem occurs exit 1 fi if [ ! "$IPV6_SET_SYSCTLS" = "no" ]; then # Switch some sysctls to secure mode /sbin/sysctl -e -w net.ipv6.conf.$SYSCTLDEVICE.forwarding=0 >/dev/null 2>&1 /sbin/sysctl -e -w net.ipv6.conf.$SYSCTLDEVICE.accept_ra=0 >/dev/null 2>&1 /sbin/sysctl -e -w net.ipv6.conf.$SYSCTLDEVICE.accept_redirects=0 >/dev/null 2>&1 fi /sbin/ip link set $DEVICE addrgenmode eui64 >/dev/null 2>&1 # Test status of tun6to4 device ipv6_test_device_status tun6to4 if [ $? = 0 -o $? = 11 ]; then # Device exists valid6to4config="yes" if [ -z "$IPV6TO4_RELAY" ]; then IPV6TO4_RELAY="192.88.99.1" fi # Get IPv4 address from interface if [ -n "$IPV6TO4_IPV4ADDR" ]; then # Take special configured from config file (precedence 1) ipv4addr="$IPV6TO4_IPV4ADDR" # Get IPv4 address from interface first ipv4addrlocal="$(ipv6_get_ipv4addr_of_device $DEVICE)" if [ -z "$ipv4addrlocal" ]; then # Take configured from config file ipv4addrlocal="$IPADDR" fi else # Get IPv4 address from interface first (has precedence 2) ipv4addr="$(ipv6_get_ipv4addr_of_device $DEVICE)" if [ -z "$ipv4addr" ]; then # Take configured from config file (precedence 3) ipv4addr="$IPADDR" fi ipv4addrlocal="$ipv4addr" fi # Get local IPv4 address of dedicated tunnel ipv4addr6to4local="$(ipv6_get_ipv4addr_of_tunnel tun6to4 local)" if [ -z "$ipv4addrlocal" -o -z "$ipv4addr6to4local" ]; then # no IPv4 addresses given, 6to4 sure not configured valid6to4config="no" else # Check against configured 6to4 tunnel to see if this interface was # used before if [ "$ipv4addrlocal" != "$ipv4addr6to4local" ]; then # IPv4 address of interface does't match local tunnel address, # interface was not used for current 6to4 setup valid6to4config="no" fi fi fi # Shutdown of 6to4, if configured if [ "$valid6to4config" = "yes" ]; then if [ -n "$IPV6TO4_ROUTING" ]; then # Delete routes to local networks for devsuf in $IPV6TO4_ROUTING; do dev="${devsuf%%-*}" ipv6_cleanup_6to4_device $dev done fi # Delete all configured 6to4 address ipv6_cleanup_6to4_tunnels tun6to4 # Control running radvd ipv6_trigger_radvd down "$IPV6_RADVD_TRIGGER_ACTION" $IPV6_RADVD_PIDFILE fi # Delete all current configured IPv6 addresses on this interface ipv6_cleanup_device $DEVICE
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