Commit e591985d by Heiko Kokemoor

prox-fire öffnet jetzt nur noch den Zugang zum Frontend für die IP, die das Script ausführt.

1 parent 1123e00c
Showing with 55 additions and 49 deletions
#!/bin/bash #!/bin/bash
# <prox-fire Proxmox-Port öffnen und schließen> # <prox-fire Proxmox-Port öffnen und schließen>
# version: 0.2 # version: 0.3
# Copyright (C) <2013> <Heiko Kokemoor> # Copyright (C) <2013> <Heiko Kokemoor>
# This program is free software: you can redistribute it and/or modify # This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by # it under the terms of the GNU General Public License as published by
...@@ -15,7 +15,7 @@ ...@@ -15,7 +15,7 @@
# #
# You should have received a copy of the GNU General Public License # You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>. # along with this program. If not, see <http://www.gnu.org/licenses/>.
EXT_IFACE='eth0' EXT_IFACE='eth0'
...@@ -25,76 +25,82 @@ LOGLEVELDROP='4' # 1=alert,2=critical,3=error,4=warning,5=notice,6=info,7=debug ...@@ -25,76 +25,82 @@ LOGLEVELDROP='4' # 1=alert,2=critical,3=error,4=warning,5=notice,6=info,7=debug
LOGLEVELACCEPT='4' LOGLEVELACCEPT='4'
PROXPORT='8006' PROXPORT='8006'
check_rule_start() check_rule_start()
{ {
CLIENT_IP=$(echo $SSH_CLIENT | awk '{ print $1}')
$IPTABLES -L|grep "tcp dpt:$PROXPORT" $IPTABLES -L|grep "tcp dpt:$PROXPORT"
} }
accept_proxmox() accept_proxmox()
{ {
CLIENT_IP=$(echo $SSH_CLIENT | awk '{ print $1}') CLIENT_IP=$(echo $SSH_CLIENT | awk '{ print $1}')
CLIENT_PORT=$(echo $SSH_CLIENT | awk '{ print $2}')
printf "$CLIENT_IP\t$CLIENT_PORT" >> $OPEN_PORTS_FILE
$IPTABLES -A INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -s $CLIENT_IP -j ACCEPT $IPTABLES -A INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -s $CLIENT_IP -j ACCEPT
$IPTABLES -A OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -s $CLIENT_IP -j ACCEPT $IPTABLES -A OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -d $CLIENT_IP -j ACCEPT
echo "Port $PROXPORT for IP $CLIENT_IP is unblocked"
} }
drop_proxmox() drop_proxmox()
{ {
CLIENT_IP=$(echo $SSH_CLIENT | awk '{ print $1}')
EI=0 EI=0
EO=0 EO=0
while [ $EI = 0 ] && [ $EO = 0 ] while [ $EI = 0 ] && [ $EO = 0 ]
do do
$IPTABLES -D INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -j ACCEPT $IPTABLES -D INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -s $CLIENT_IP -j ACCEPT 2&>/dev/null
EI=$? EI=$?
$IPTABLES -D OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -j ACCEPT $IPTABLES -D OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -d $CLIENT_IP -j ACCEPT 2&>/dev/null
EO=$? EO=$?
done done
echo "Port $PROXPORT for IP $CLIENT_IP is blocked"
} }
stop_all()
{
C=0
unset L
unset Z
unset A
A=$(iptables -L -n |grep $PROXPORT |awk '{print $4}'|uniq)
while [ $C = 0 ] stop_all()
do {
L=$(wcalc -q $L+1) C=0
Z[$L]=$(echo $A|cut -d' ' -f$L) L=0
$IPTABLES -D INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -s ${Z[$L]} -j ACCEPT unset Z
$IPTABLES -D OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -s ${Z[$L]} -j ACCEPT declare -a Z
if [ -z ${Z[$L]} ]
then C=1 A=$(iptables -L -n |grep $PROXPORT |awk '{print $4}'|grep -v 0.0.0.0||iptables -L -n |grep $PROXPORT |awk '{print $5}'|grep -v 0.0.0.0)
fi
done while [ $C = 0 ]
do
L=$(( $L+1 ))
Z[$L]=$(echo $A|awk '{ print $'''$L'''}')
$IPTABLES -D INPUT -i $EXT_IFACE -p tcp --dport $PROXPORT -s ${Z[$L]} -j ACCEPT 2&>/dev/null
$IPTABLES -D OUTPUT -o $EXT_IFACE -p tcp --dport $PROXPORT -d ${Z[$L]} -j ACCEPT 2&>/dev/null
if [ -z ${Z[$L]} ]
then C=1
fi
done
echo "Port $PROXPORT for all IPs blocked"
} }
i=$1 i=$1
case $i in case $i in
start) start)
check_rule_start # check_rule_start
if [ $? = 1 ] # if [ $? = 1 ]
then # then
accept_proxmox accept_proxmox
fi # fi
;; ;;
stop) stop)
drop_proxmox drop_proxmox
;; ;;
stop-all) stop-all)
stop_all stop_all
;; ;;
*) *)
echo $(basename $0) '[start|stop] - opens a port for the Porxmox Webinterface' echo $(basename $0) '[start|stop|stop-all] - opens a port for the Proxmox Webinterface'
;; ;;
esac esac
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