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#!/bin/bash
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#
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# ifup-sit
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#
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#
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# Taken from:
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# (P) & (C) 2000-2003 by Peter Bieringer <pb@bieringer.de>
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#
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# You will find more information on the initscripts-ipv6 homepage at
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# http://www.deepspace6.net/projects/initscripts-ipv6.html
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#
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# RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
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#
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# Version: 2003-09-08
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#
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# Uses following information from /etc/sysconfig/network:
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# IPV6_DEFAULTDEV=<device>: controls default route (optional)
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# IPV6_DEFAULTGW=<address>: controls default route (optional)
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#
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# Uses following information from /etc/sysconfig/network-scripts/ifcfg-$1:
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# DEVICE=<device>
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# IPV6INIT=yes|no: controls IPv6 configuration for this interface
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# IPV6_MTU=<MTU for IPv6>: controls IPv6 MTU for this link (optional)
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#
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# For static tunnels
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# IPV6TUNNELIPV4=<IPv4 address>: IPv4 address of remote tunnel endpoint
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# IPV6TUNNELIPV4LOCAL=<IPv4 address>: (optional) local IPv4 address of tunnel
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# IPV6ADDR=<IPv6 address>[/<prefix length>]: (optional) local IPv6 address of a numbered tunnel
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# IPV6ADDR_SECONDARIES="<IPv6 address>[/<prefix length>] ..." (optional) additional local IPv6 addresses
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#
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. /etc/sysconfig/network
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cd /etc/sysconfig/network-scripts
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. ./network-functions
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CONFIG=$1
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[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
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source_config
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# IPv6 don't need aliases anymore, config is skipped
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REALDEVICE=${DEVICE%%:*}
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[ "$DEVICE" != "$REALDEVICE" ] && exit 0
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# Test whether IPv6 configuration is disabled for this interface
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is_false "$IPV6INIT" && exit 0
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[ -f /etc/sysconfig/network-scripts/network-functions-ipv6 ] || exit 1
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. /etc/sysconfig/network-scripts/network-functions-ipv6
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# IPv6 test, module loaded, exit if system is not IPv6-ready
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ipv6_test || exit 1
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# Generic tunnel device sit0 is not supported here
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if [ "$DEVICE" = "sit0" ]; then
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net_log $"Device '$DEVICE' isn't supported here, use IPV6_AUTOTUNNEL setting and restart (IPv6) networking"
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exit 1
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fi
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if [ -z "$IPV6TUNNELIPV4" ]; then
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net_log $"Missing remote IPv4 address of tunnel, configuration is not valid"
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exit 1
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fi
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# Test device status
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ipv6_test_device_status $DEVICE
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if [ $? = 0 ]; then
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# device is already up
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net_log $"Device '$DEVICE' is already up, please shutdown first"
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exit 1
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fi
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# Create tunnel
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ipv6_add_tunnel_device $DEVICE $IPV6TUNNELIPV4 "" $IPV6TUNNELIPV4LOCAL || exit 1
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# Set IPv6 MTU, if given
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if [ -n "$IPV6_MTU" ]; then
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ipv6_set_mtu $DEVICE $IPV6_MTU
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fi
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# Apply local IPv6 address, if given (numbered tunnel)
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if [ -n "$IPV6ADDR" ]; then
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ipv6_add_addr_on_device $DEVICE $IPV6ADDR
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fi
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# Setup additional IPv6 addresses from list, if given
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if [ -n "$IPV6ADDR_SECONDARIES" ]; then
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for ipv6addr in $IPV6ADDR_SECONDARIES; do
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ipv6_add_addr_on_device $DEVICE $ipv6addr
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done
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fi
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# Setup default IPv6 route, check are done by function
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if [ -n "$IPV6_DEFAULTDEV" -o -n "$IPV6_DEFAULTGW" ]; then
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ipv6_set_default_route "$IPV6_DEFAULTGW" "$IPV6_DEFAULTDEV" "$DEVICE"
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fi
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# Setup additional static IPv6 routes on specified interface, if given
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if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
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LC_ALL=C grep -w "^$DEVICE" /etc/sysconfig/static-routes-ipv6 | while read device ipv6route args; do
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ipv6_add_route $ipv6route :: $DEVICE
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done
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fi
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# Setup static routes
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/etc/sysconfig/network-scripts/ifup-routes ${REALDEVICE}
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