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authorBill Nottingham <notting@redhat.com>2001-07-11 05:23:56 +0000
committerBill Nottingham <notting@redhat.com>2001-07-11 05:23:56 +0000
commit3b86e2508b13f4bd6339f7be708a2cf1eab99a44 (patch)
tree9cab5aea5252b6fc072670e92fd2f07cede5ed9d /sysconfig/network-scripts/init.ipv6-global
parentd4b006581428be84473825bf5d31ed81f6c4a647 (diff)
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big ipv6 update from Pekka Savola (<pekkas@netcore.fi>)
Diffstat (limited to 'sysconfig/network-scripts/init.ipv6-global')
-rwxr-xr-xsysconfig/network-scripts/init.ipv6-global188
1 files changed, 188 insertions, 0 deletions
diff --git a/sysconfig/network-scripts/init.ipv6-global b/sysconfig/network-scripts/init.ipv6-global
new file mode 100755
index 00000000..da46d4ba
--- /dev/null
+++ b/sysconfig/network-scripts/init.ipv6-global
@@ -0,0 +1,188 @@
+#!/bin/sh
+#
+# init.ipv6-global
+#
+#
+# Taken from:
+# (P) & (C) 2001 by Peter Bieringer <pb@bieringer.de>
+#
+# RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
+#
+# Version 2001-05-22d
+#
+# Calling parameters:
+# $1: action (currently supported: start|stop|showsysctl)
+# $2: position for start|stop (currently supported: pre|post)
+#
+# Called by hooks from /etc/rc.d/init.d/network
+#
+# Uses following information from /etc/sysconfig/network:
+# NETWORKING_IPV6=yes|no: controls global IPv6 initialization (default: no)
+# IPV6FORWARDING=yes|no: controls global IPv6 forwarding (default: no)
+# IPV6AUTOCONF=yes|no: controls global automatic IPv6 configuration
+# (default: yes if IPV6FORWARDING=no, no if IPV6FORWARDING=yes)
+# IPV6_AUTOTUNNEL=yes|no: controls automatic IPv6 tunneling (default: no)
+#
+
+
+
+# Get global network configuration
+. /etc/sysconfig/network
+
+# Source IPv4 helper functions
+cd /etc/sysconfig/network-scripts
+. network-functions
+
+# Get action and hook position
+ACTION="$1"
+POSITION="$2"
+
+# Test for IPv6 enabling
+if [ ! "${NETWORKING_IPV6}" = "yes" ]; then
+ exit 0
+fi
+
+if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then
+ exit 1
+fi
+
+# Source IPv6 helper functions
+. /etc/sysconfig/network-scripts/network-functions-ipv6
+
+# Initialize IPv6, depending on caller option
+case $ACTION in
+ start)
+ case $POSITION in
+ pre)
+ # IPv6 test, module loaded, exit if system is not IPv6-ready
+ test_ipv6 || exit 1
+
+
+ if [ "$IPV6FORWARDING" = "yes" ]; then
+ ipv6_global_forwarding=1
+ ipv6_global_auto=0
+ else
+ ipv6_global_forwarding=0
+ if [ "$IPV6AUTO" = "no" ]; then
+ ipv6_global_auto=0
+ else
+ ipv6_global_auto=1
+ fi
+ fi
+
+ # Reset IPv6 sysctl switches for "all", "default" and still existing devices
+ for i in /proc/sys/net/ipv6/conf/*; do
+ if [ ! -d $i ]; then
+ continue
+ fi
+ interface="`echo $i | awk -F/ '{ print $NF}'`"
+ # Host/Router behaviour for the interface
+ sysctl -w net.ipv6.conf.$interface.forwarding=$ipv6_global_forwarding >/dev/null
+
+ # Autoconfiguration and redirect handling for Hosts
+ sysctl -w net.ipv6.conf.$interface.accept_ra=$ipv6_global_auto >/dev/null
+ sysctl -w net.ipv6.conf.$interface.accept_redirects=$ipv6_global_auto >/dev/null
+ done
+
+ if [ "$IPV6_AUTOTUNNEL" = "yes" ]; then
+ ifup_ipv6_autotunnel
+ fi
+ ;;
+
+ post)
+ # IPv6 test, module loaded, exit if system is not IPv6-ready
+ test_ipv6 || exit 1
+
+
+ ## Add some routes which should never appear on the wire
+ # Unreachable IPv4-only addresses, normally blocked by source address selection
+ ip route add unreach ::ffff:0.0.0.0/96
+ # Unreachable IPv4-mapped addresses
+ ip route add unreach ::0.0.0.0/96
+ # Unreachable 6to4: IPv4 multicast, reserved, limited broadcast
+ ip route add unreach 2002:e000::/19
+ # Unreachable 6to4: IPv4 loopback
+ ip route add unreach 2002:7f00::/24
+ # Unreachable 6to4: IPv4 private (RFC1918)
+ ip route add unreach 2002:0a00::/24
+ ip route add unreach 2002:ac10::/28
+ ip route add unreach 2002:c0a8::/32
+ # Unreachable 6to4: IPv4 private (DHCP link-local)
+ ip route add unreach 2002:a9fe::/32
+ ;;
+
+ *)
+ echo "Usage: $0 $1 {pre|post}"
+ ;;
+
+ esac
+ ;;
+
+ stop)
+ case $POSITION in
+ pre)
+ # IPv6 test, no module loaded, exit if system is not IPv6-ready
+ test_ipv6 testonly || exit 0
+
+
+ ;;
+
+ post)
+ # IPv6 test, no module loaded, exit if system is not IPv6-ready
+ test_ipv6 testonly || exit 0
+
+
+ for i in /proc/sys/net/ipv6/conf/*; do
+ if [ ! -d $i ]; then
+ continue
+ fi
+ interface="`echo $i | awk -F/ '{ print $NF}'`"
+ # Assume Host behaviour
+ sysctl -w net.ipv6.conf.$interface.forwarding=0 >/dev/null
+
+ # Disable autoconfiguration and redirects
+ sysctl -w net.ipv6.conf.$interface.accept_ra=0 >/dev/null
+ sysctl -w net.ipv6.conf.$interface.accept_redirects=0 >/dev/null
+ done
+
+ # Find still existing tunnel devices and shutdown and delete them
+ LC_ALL=C ip tunnel | grep "ipv6/ip" | awk -F: '{ print $1 }' | while read device; do
+ ifdown_ipv6_tunneldev $device
+ done
+
+ ;;
+
+ *)
+ echo "Usage: $0 $1 {pre|post}"
+ ;;
+
+ esac
+ ;;
+
+ restart|reload)
+ # do nothing, will be handled by main script
+ ;;
+
+ showsysctl)
+ # Run only basic tests, no module is loaded, if not ok, skip IPv6 initialization
+ test_ipv6 testonly || exit 0
+
+ # Show sysctl switches
+ for i in /proc/sys/net/ipv6/conf/default/*; do
+ if [ ! -f $i ]; then continue; fi
+ switch="`echo $i | awk -F/ '{ print $NF}'`"
+ for j in /proc/sys/net/ipv6/conf/*; do
+ if [ ! -d $j ]; then continue; fi
+ interface="`echo $j | awk -F/ '{ print $NF}'`"
+ sysctl net.ipv6.conf.$interface.$switch
+ done
+ echo
+ done
+ ;;
+
+ *)
+ echo "Usage: $0 {start|stop|showsysctl}"
+ exit 1
+ ;;
+
+esac