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|
#!/bin/sh
#
# network Bring up/down networking
#
# Source function library.
. /etc/rc.d/init.d/functions
if [ ! -f /etc/sysconfig/network ]; then
exit 0
fi
. /etc/sysconfig/network
if [ -f /etc/sysconfig/pcmcia ]; then
. /etc/sysconfig/pcmcia
fi
# Turn IP forwarding on or off. We do this before bringing up the interfaces
# to make sure we don't forward when we shouldn't, and we do it even if
# networking isn't configured (why not?).
if [ -d /proc/sys/net/ipv4 ]; then
# people could have left this out of their kernel, which isn't
# exactly an error
if [ ! -f /proc/sys/net/ipv4/ip_forward ] ; then
echo "/proc/sys/net/ipv4/ip_forward is missing --" \
"cannot control IP forwarding" >&2
else
if [ "$FORWARD_IPV4" = "no" -o "$FORWARD_IPV4" = "false" ]; then
value=0
echo "Disabling IPv4 packet forwarding."
else
value=1
echo "Enabling IPv4 packet forwarding."
fi
echo "$value" > /proc/sys/net/ipv4/ip_forward
fi
fi
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
[ -x /sbin/ifconfig ] || exit 0
cd /etc/sysconfig/network-scripts
# find all the interfaces besides loopback.
# ignore aliases, alternative configurations, and editor backup files
interfaces=`ls ifcfg* | egrep -v '(ifcfg-lo|:)' | egrep 'ifcfg-[a-z0-9]+$'`
# See how we were called.
case "$1" in
start)
./ifup ifcfg-lo
for i in $interfaces; do
./ifup $i boot
done
touch /var/lock/subsys/network
;;
stop)
for i in $interfaces; do
./ifdown $i boot
done
./ifdown ifcfg-lo
rm -f /var/lock/subsys/network
;;
*)
echo "Usage: network {start|stop}"
exit 1
esac
exit 0
|
