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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/ifup-ipv6
parent4bd3e0cd786167ab7cb8bf7e33974c482fa44296 (diff)
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ipv6 update (<pekkas@netcore.fi>)
Diffstat (limited to 'sysconfig/network-scripts/ifup-ipv6')
-rwxr-xr-xsysconfig/network-scripts/ifup-ipv675
1 files changed, 40 insertions, 35 deletions
diff --git a/sysconfig/network-scripts/ifup-ipv6 b/sysconfig/network-scripts/ifup-ipv6
index b8a5c71c..cd5d0062 100755
--- a/sysconfig/network-scripts/ifup-ipv6
+++ b/sysconfig/network-scripts/ifup-ipv6
@@ -8,7 +8,7 @@
#
# RHL integration assistance by Pekka Savola <pekkas@netcore.fi>
#
-# Version 2001-05-22d
+# Version 2001-07-16
#
# Uses following information from "/etc/sysconfig/network":
# NETWORKING_IPV6=yes|no: controls IPv6 initialization (global setting)
@@ -22,10 +22,11 @@
# defaults:
# IPV6FORWARDING=yes: IPV6_AUTOCONF=no, IPV6_ROUTER=yes
# IPV6FORWARDING=no: IPV6_AUTOCONF=yes
+# IPV6_MTU=<MTU for IPv6>: controls IPv6 MTU for this link [optional]
#
# Optional for 6to4 tunneling:
# IPV6TO4INIT=yes|no: controls 6to4 tunneling setup
-# IPV6TO4_RELAY=<ipv4address>: IPv4 address of the remote 6to4 relay
+# IPV6TO4_RELAY=<ipv4address|ipv6to4address>: IPv4/IPv6to4 address of the remote 6to4 relay
# IPV6TO4_IPV4ADDR=<ipv6address>: overwrite local IPv4 address [optional]
# IPV6TO4_ROUTING="eth0-:f101::0/64 eth1-:f102::0/64": information to setup local subnetting
# IPV6TO4_CONTROL_RADVD=yes|no: controls radvd triggering [optional]
@@ -47,20 +48,13 @@ CONFIG=$1
[ -f "$CONFIG" ] || CONFIG=ifcfg-$CONFIG
source_config
-# Test if IPv6 configuration is enabled
-if [ ! "$IPV6INIT" = "yes" ]; then
- # not enabled, stop here
- exit 0
-fi
+# Test whether IPv6 configuration is enabled for this interface, else stop
+[ "$IPV6INIT" = "yes" ] || exit 0
-# Test if IPv6 is up
-if [ ! "${NETWORKING_IPV6}" = "yes" ]; then
- # Global IPv6 switch not enabled, end now
- exit 0
-fi
+# Test whether IPv6 should be configured, else stop
+[ "${NETWORKING_IPV6}" = "yes" ] || exit 0
if [ ! -f /etc/sysconfig/network-scripts/network-functions-ipv6 ]; then
- # IPv6 setup isn't well
exit 1
fi
@@ -85,19 +79,16 @@ if [ "$IPV6FORWARDING" = "yes" ]; then
# Check, if global IPv6 forwarding was already set by global script
if [ $ipv6_global_forwarding_current -ne 1 ]; then
- # Forwarding enabled, but not set, display warning
echo $"Global IPv6 forwarding is enabled in configuration, but not currently enabled in kernel"
- echo $"Please restart network with '/etc/rc.d/init.d/network restart'"
+# echo $"Please restart network with '/sbin/service network restart'"
fi
ipv6_local_forwarding=1
ipv6_local_auto=0
if [ "$IPV6_ROUTER" = "no" ]; then
- # Interface should not act as a Router
ipv6_local_forwarding=0
fi
if [ "$IPV6_AUTOCONF" = "yes" ]; then
- # Interface should be autoconfigured
ipv6_local_auto=1
fi
else
@@ -105,15 +96,13 @@ else
# Check, if global IPv6 forwarding was already set by global script
if [ $ipv6_global_forwarding_current -ne 0 ]; then
- # Forwarding disabled, but not set, display warning
echo $"Global IPv6 forwarding is disabled in configuration, but not currently disabled in kernel"
- echo $"Please restart network with '/etc/rc.d/init.d/network restart'"
+# echo $"Please restart network with '/sbin/service network restart'"
fi
ipv6_local_forwarding=0
ipv6_local_auto=1
if [ "$IPV6_AUTOCONF" = "no" ]; then
- # Interface should not be autoconfigured
ipv6_local_auto=0
fi
fi
@@ -121,6 +110,11 @@ sysctl -w net.ipv6.conf.$DEVICE.forwarding=$ipv6_local_forwarding >/dev/null
sysctl -w net.ipv6.conf.$DEVICE.accept_ra=$ipv6_local_auto >/dev/null
sysctl -w net.ipv6.conf.$DEVICE.accept_redirects=$ipv6_local_auto >/dev/null
+# Set IPv6 MTU, if given
+if [ ! -z "$IPV6_MTU" ]; then
+ ipv6_set_mtu $DEVICE $IPV6_MTU
+fi
+
# Setup additional IPv6 addresses from list
if [ ! -z "$IPV6ADDR_SECONDARIES" ]; then
for ipv6addr in $IPV6ADDR_SECONDARIES; do
@@ -130,10 +124,8 @@ fi
# Setup additional static IPv6 routes on specified interface
if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
- grep "^$DEVICE\W" /etc/sysconfig/static-routes-ipv6 | while read device args; do
- if [ "$device" = "$DEVICE" ]; then
- ifup_ipv6_route $args $DEVICE
- fi
+ grep -w "^$DEVICE" /etc/sysconfig/static-routes-ipv6 | while read device args; do
+ ifup_ipv6_route $args $DEVICE
done
fi
@@ -152,7 +144,6 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
fi
fi
if [ ! -z "$ipv4addr" ]; then
- # Test for non-global IPv4 address
if ! testipv4_globalusable $ipv4addr; then
echo $"Given IPv4 address $ipv4addr is not a globally usable one, 6to4 configuration is not valid!"
valid6to4config="no"
@@ -162,8 +153,19 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
valid6to4config="no"
fi
if [ "$valid6to4config" = "yes" ]; then
- if ! testipv4_globalusable $IPV6TO4_RELAY; then
- echo $"Given IPv4 address of relay is not a globally usable one, 6to4 configuration is not valid!"
+ if testipv4_globalusable $IPV6TO4_RELAY 2>/dev/null; then
+ true
+ elif testipv6_valid $IPV6TO4_RELAY; then
+ relay6to4type="ipv6"
+ if echo $IPV6TO4_RELAY | grep -q "^2002:"; then
+ # IPv6 address is a 6to4 (further tests not be implemented at the moment)
+ true
+ else
+ echo $"Given IPv6 address of relay is not a 6to4 one, 6to4 configuration is not valid!"
+ valid6to4config="no"
+ fi
+ else
+ echo $"Given address of relay is not a globally usable one, 6to4 configuration is not valid!"
valid6to4config="no"
fi
fi
@@ -173,27 +175,31 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
fi
if [ "$valid6to4config" = "yes" ]; then
ifup_ipv6to4 $DEVICE $ipv4addr
+
+ # Add static routes
if [ -f /etc/sysconfig/static-routes-ipv6 ]; then
- grep "^sit0" /etc/sysconfig/static-routes-ipv6 | while read device args; do
- if [ "$device" = "sit0" ]; then
- ifup_ipv6_route $args ::$IPV6TO4_RELAY sit0
+ grep -w "^sit0" /etc/sysconfig/static-routes-ipv6 | while read device network dummy; do
+ if [ "$relay6to4type" = "ipv6" ]; then
+ # Foreign 6to4 relay gateway as IPv6to4
+ ifup_ipv6_route $network $IPV6TO4_RELAY sit0
+ else
+ # Foreign 6to4 relay gateway as compatible IPv4
+ ifup_ipv6_route $network ::$IPV6TO4_RELAY sit0
fi
done
fi
if [ "$IPV6TO4_CONTROL_RADVD" = "yes" ]; then
- # RADVD is in use, so forwarding of IPv6 packets should be enabled
+ # RADVD is in use, so forwarding of IPv6 packets should be enabled, display warning
if [ $ipv6_global_forwarding_current -ne 1 ]; then
- # Forwarding not set, display warning
echo $"Using 6to4 and RADVD IPv6 forwarding usually should be enabled, but it isn't!"
fi
if [ -z "$IPV6TO4_RADVD_PIDFILE" ]; then
- # Take default
IPV6TO4_RADVD_PIDFILE="/var/run/radvd/radvd.pid"
fi
- # Send SIGHUP to radvd
+ # Send SIGHUP to radvd for prefix recalculation
if [ -f "$IPV6TO4_RADVD_PIDFILE" ]; then
pid="`cat $IPV6TO4_RADVD_PIDFILE`"
if [ ! -z "$pid" ]; then
@@ -204,7 +210,6 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
fi
fi
if [ ! -z "$IPV6TO4_ROUTING" ]; then
- # Generate 6to4 address
ipv6to4prefix="`create6to4prefix $ipv4addr`"
if [ ! -z "$ipv6to4prefix" ]; then
# Add route to local networks