diff options
Diffstat (limited to 'sysconfig/network-scripts/ifdown-ipv6')
| -rwxr-xr-x | sysconfig/network-scripts/ifdown-ipv6 | 48 |
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 |