SERVICES:
tftp Tftp daemon
dhcp Dhcp daemon
+ ipt Iptables setup (snat for clients)
nfs All necessary nfs daemons
<> ALL services
sleep 1
startDhcp
}
+# }}}
+# IPTABLES {{{
function runIptables
{
- if [ -x /sbin/iptables ] ; then
- if [[ "$NAT_INTERFACE_" != "none" ]]; then
+ if [[ $IPTABLES_SNAT_ != "true" ]]; then
+ return
+ fi
+ startIptables
+}
+
+function startIptables
+{
+ if [ -x /sbin/iptables ] ; then
+ if [[ $NAT_INTERFACE_ != "" ]]; then
local nat_source_ip_=`netGetIp "$NAT_INTERFACE_" warn`
if iptables -t nat -vnL POSTROUTING | grep -q "SNAT.*${NAT_INTERFACE_}.*to:${nat_source_ip_}" ; then
echo 1 > /proc/sys/net/ipv4/ip_forward && echo done || echo failed
fi
fi
- else
+ else
warn "iptables executable not avilable"
- fi
+ fi
+}
+
+function stopIptables
+{
+ if [[ $IPTABLES_SNAT_ != "true" ]]; then
+ return
+ fi
+ if [ -x /sbin/iptables ] ; then
+ if [[ $NAT_INTERFACE_ != "" ]]; then
+ local nat_source_ip_=`netGetIp "$NAT_INTERFACE_" warn`
+
+ if iptables -t nat -vnL POSTROUTING | grep -q "SNAT.*${NAT_INTERFACE_}.*to:${nat_source_ip_}" ; then
+ iptables -t nat -F POSTROUTING &>/dev/null && \
+ iptables -t nat -D POSTROUTING -o "$NAT_INTERFACE_" -j SNAT --to-source "$nat_source_ip_"
+ fi
+ echo 0 > /proc/sys/net/ipv4/ip_forward
+ fi
+ fi
}
# }}}
echo -n "Starting dhcpd: "
runDhcp && echo done || echo failed
- #runIptables
+ runIptables
echo "Finally starting nfs services..."
- startNfs && echo "Sucessfully finished startup of grml-terminalserver." || echo 'Startup of grml-terminalserver-config failed!'
+ startNfs && echo "Sucessfully finished startup of grml-terminalserver." || echo 'Startup of grml-terminalserver failed!'
}
function actionStop
{
stopTftp
stopDhcp
+ stopIptables
stopNfs
notice "Terminal-server stopped"
}
"") actionStart ;;
tftp) runTftp ;;
dhcp) runDhcp ;;
+ ipt) startIptables ;;
nfs) startNfs ;;
*) warn "Service $service_ not available" ;;
esac
"") actionStop ;;
tftp) stopTftp ;;
dhcp) stopDhcp ;;
+ ipt) stopIptables ;;
nfs) stopNfs ;;
*) warn "Service $service_ not available" ;;
esac