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authorBill Nottingham <notting@redhat.com>2001-07-24 20:09:07 +0000
committerBill Nottingham <notting@redhat.com>2001-07-24 20:09:07 +0000
commitee673429a7dae3de798f97ec323ea2530c22348e (patch)
treef5bb9cc241fe4cfbccfb06b4ebf1ff04c5276703 /sysconfig/network-scripts/ifdown-ipv6
parent4bd3e0cd786167ab7cb8bf7e33974c482fa44296 (diff)
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ipv6 update (<pekkas@netcore.fi>)
Diffstat (limited to 'sysconfig/network-scripts/ifdown-ipv6')
-rwxr-xr-xsysconfig/network-scripts/ifdown-ipv648
1 files changed, 39 insertions, 9 deletions
diff --git a/sysconfig/network-scripts/ifdown-ipv6 b/sysconfig/network-scripts/ifdown-ipv6
index d111d1cb..8f4319ba 100755
--- a/sysconfig/network-scripts/ifdown-ipv6
+++ b/sysconfig/network-scripts/ifdown-ipv6
@@ -8,7 +8,7 @@
#
# RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
#
-# Version 2001-05-22d
+# Version 2001-07-15
#
# Uses following information from /etc/sysconfig/network:
# NETWORKING_IPV6=yes|no: controls IPv6 initialization (global setting)
@@ -36,14 +36,10 @@ CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
source_config
-# Test if IPv6 is globally enabled
-if [ ! "${NETWORKING_IPV6}" = "yes" ]; then
- # Global IPv6 switch not enabled, end now
- exit 0
-fi
+# Test whether IPv6 should be configured, else stop
+[ "${NETWORKING_IPV6}" = "yes" ] || exit 0
if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then
- # IPv6 setup isn't well
exit 1
fi
@@ -68,7 +64,6 @@ if [ "$valid6to4config" = "yes" ]; then
if [ "$IPV6TO4_CONTROL_RADVD" = "yes" ]; then
# stop RADVD from distributing no longer usable 6to4 prefixes
if [ -z "$IPV6TO4_RADVD_PIDFILE" ]; then
- # Take default
IPV6TO4_RADVD_PIDFILE="/var/run/radvd/radvd.pid"
fi
# Send SIGHUP to radvd
@@ -92,8 +87,43 @@ if [ "$valid6to4config" = "yes" ]; then
done
fi
+ # Detect type of address, whether it is IPv4 or IPv6
+ if testipv6_valid $IPV6TO4_RELAY; then
+ relay6to4type="ipv6"
+ fi
+
# Delete all static IPv6to4 routes
- ifdown_ipv6_route_all sit0 ::$IPV6TO4_RELAY
+ if [ "$relay6to4type" = "ipv6" ]; then
+ ifdown_ipv6_route_all sit0 $IPV6TO4_RELAY
+ else
+ ifdown_ipv6_route_all sit0 ::$IPV6TO4_RELAY
+ fi
+
+ # Delete old 6to4 routes, even if IPV6TO4_RELAY was changed
+ if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
+ grep -w "^sit0" /etc/sysconfig/static-routes-ipv6 | while read device network dummy; do
+ if [ "$EXISTS_ipv6calc" = "yes" ]; then
+ # Convert given network to compressed one
+ network="`ipv6calc --addr_to_compressed $network`"
+ fi
+ LC_ALL=C route -A inet6 | grep "^$network" | while read destination nexthop flags metric ref use iface dummy; do
+ if ! [ "$device" = "$iface" -a "$network" = "$destination" ]; then
+ continue
+ fi
+ # Look for routes to a compatible IPv4 address, delete them
+ if echo $nexthop | egrep -q '^::[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'; then
+ ifdown_ipv6_route $destination $nexthop $iface
+ fi
+ # Look for routes to a IPv6to4 address, delete them
+ if echo $nexthop | egrep -q '^2002::'; then
+ ifdown_ipv6_route $destination $nexthop $iface
+ fi
+ done
+ done
+ fi
+
+ # Delete 6to4 route
+ ifdown_ipv6_route 2002::/16 :: sit0
# Delete all configured 6to4 address
ifdown_ipv6to4_all sit0