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>)

1 files changed, 32 insertions, 27 deletions

diff --git a/ppp/ip-down.ipv6to4 b/ppp/ip-down.ipv6to4
index 9ca7250a..850005d8 100644
--- a/ppp/ip-down.ipv6to4
+++ b/ppp/ip-down.ipv6to4
@@ -4,12 +4,12 @@
 #
 #
 # Taken from:
-# (P) & (C) 2000-2002 by Peter Bieringer <pb@bieringer.de>
+# (P) & (C) 2000-2005 by Peter Bieringer <pb@bieringer.de>
 #
-#  You will find more information in the IPv6-HowTo for Linux at
-#   http://www.bieringer.de/linux/IPv6/
+#  You will find more information on the initscripts-ipv6 homepage at
+#   http://www.deepspace6.net/projects/initscripts-ipv6.html
 #
-# Version 2002-10-30
+# Version 2005-09-22
 #
 # Calling parameters:
 #  $1: interface name
@@ -26,7 +26,7 @@
 #
 # Uses following information from /etc/sysconfig/network-scripts/ifcfg-$1:
 #  IPV6TO4INIT=yes|no: controls configuration
-#  IPV6TO4_ROUTING="<device>-<suffix>/<prefix length> ...": information to setup local subnetting
+#  IPV6TO4_ROUTING="<device>-<suffix>/<prefix length> ...": information to setup additional interfaces
 #
 #  IPV6_CONTROL_RADVD=yes|no: controls radvd triggering
 #  IPV6_RADVD_PIDFILE=<file>: PID file of radvd for sending signals, default is "/var/run/radvd/radvd.pid"
@@ -40,11 +40,11 @@ if [ -z "$1" ]; then
 fi
 
 # Get global network configuration
-. /etc/sysconfig/network 
+. /etc/sysconfig/network
 
 # Source IPv4 helper functions
 cd /etc/sysconfig/network-scripts
-. network-functions 
+. network-functions
 
 CONFIG=$1
 [ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
@@ -67,33 +67,38 @@ fi
 # Run basic IPv6 test, if not ok, skip IPv6 initialization
 ipv6_test testonly || exit 0
 
-# Test device status
+# Test status of ppp device
 ipv6_test_device_status $DEVICE
 if [ $? != 0 -a $? != 11 ]; then
         # device doesn't exist or other problem occurs
         exit 1
 fi
 
-# Shutdown of 6to4, if configured
-valid6to4config="yes"
-
-# Get IPv4 address from interface
-ipv4addr="`ipv6_get_ipv4addr_of_device $DEVICE`"
-if [ -z "$ipv4addr" ]; then
-	# Has no IPv4 address
-	valid6to4config="no"
-fi
+# Test status of tun6to4 device
+ipv6_test_device_status tun6to4
+if [ $? = 0 -o $? = 11 ]; then
+	# Device exists
+	valid6to4config="yes"
+
+	# Get IPv4 address from interface
+	ipv4addr="`ipv6_get_ipv4addr_of_device $DEVICE`"
+	if [ -z "$ipv4addr" ]; then
+		# Has no IPv4 address
+		valid6to4config="no"
+	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`"
 
-# IPv6to4 not enabled on this interface? 
-if [ $IPV6TO4INIT != "yes" ]; then
-	# Check against configured 6to4 tunnel to see if this interface was regardless used before
-	if [ "$ipv4addr" != "$ipv4addr6to4local" ]; then
-        	# IPv4 address of interface does't match local tunnel address, interface was not used for current 6to4 setup
-	        valid6to4config="no"
+	# IPv6to4 not enabled on this interface?
+	if [ $IPV6TO4INIT != "yes" ]; then
+		# Check against configured 6to4 tunnel to see if this interface was regardless used before
+		if [ "$ipv4addr" != "$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
 
 if [ "$valid6to4config" = "yes" ]; then
@@ -106,10 +111,10 @@ if [ "$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
 fi