From 599631bda00f650cdfc6e3f39d112efc0bb7c6bf Mon Sep 17 00:00:00 2001
From: Miloslav Trmac <mitr@volny.cz>
Date: Sun, 14 May 2006 01:34:30 +0000
Subject: Modify IPV6TO4_ROUTING to also add addresses on the interfaces Add
 RFC 3041 (IPv6 privacy) support (patch for both by Peter Bieringer
 <pb@bieringer.de>)

---
 sysconfig/network-scripts/ifdown-ipv6 | 84 +++++++++++++++++++----------------
 1 file changed, 45 insertions(+), 39 deletions(-)

(limited to 'sysconfig/network-scripts/ifdown-ipv6')

diff --git a/sysconfig/network-scripts/ifdown-ipv6 b/sysconfig/network-scripts/ifdown-ipv6
index b9120134..64ee246d 100755
--- a/sysconfig/network-scripts/ifdown-ipv6
+++ b/sysconfig/network-scripts/ifdown-ipv6
@@ -11,7 +11,7 @@
 #
 # RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
 #
-# Version 2004-09-02
+# Version 2005-09-22
 #
 # Note: if called as (like normally) by /etc/sysconfig/network-scripts/ifdown
 #        exit codes aren't handled by "ifdown"
@@ -25,7 +25,7 @@
 #
 # 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 local subnetting
+#  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]
@@ -39,10 +39,10 @@
 #
 
 
-. /etc/sysconfig/network 
+. /etc/sysconfig/network
 
 cd /etc/sysconfig/network-scripts
-. network-functions 
+. network-functions
 
 CONFIG=$1
 [ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
@@ -74,45 +74,51 @@ ipv6_exec_sysctl -w net.ipv6.conf.$DEVICE.forwarding=0 >/dev/null 2>&1
 ipv6_exec_sysctl -w net.ipv6.conf.$DEVICE.accept_ra=0 >/dev/null 2>&1
 ipv6_exec_sysctl -w net.ipv6.conf.$DEVICE.accept_redirects=0 >/dev/null 2>&1
 
-# Shutdown of 6to4, if configured
-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"
+# Test status of tun6to4 device
+ipv6_test_device_status tun6to4
+if [ $? = 0 -o $? = 11 ]; then
+	# Device exists
+	valid6to4config="yes"
 
-	# Get IPv4 address from interface first
-	ipv4addrlocal="`ipv6_get_ipv4addr_of_device $DEVICE`"
-	if [ -z "$ipv4addrlocal" ]; then
-		# Take configured from config file
-		ipv4addrlocal="$IPADDR"
+	if [ -z "$IPV6TO4_RELAY" ]; then
+		IPV6TO4_RELAY="192.88.99.1"
 	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="$IPADDR"
+
+	# Get IPv4 address from interface
+	if [ -n "$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
-	ipv4addrlocal="$ipv4addr"
-fi
 
-# Get local IPv4 address of dedicated tunnel
-ipv4addr6to4local="`ipv6_get_ipv4addr_of_tunnel tun6to4 local`"
+	# 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
+	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
@@ -121,16 +127,16 @@ if [ "$valid6to4config" = "yes" ]; then
 		# Delete routes to local networks
 		for devsuf in $IPV6TO4_ROUTING; do
 			dev="`echo $devsuf | awk -F- '{ print $1 }'`"
-			ipv6_cleanup_routes $dev ::
+			ipv6_cleanup_6to4_device $dev
 		done
 	fi
 
 	# Delete all configured 6to4 address
-	ipv6_cleanup_6to4_tunnels tun6to4 
+	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 
+# Delete all current configured IPv6 addresses on this interface
 ipv6_cleanup_device $DEVICE
-- 
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