testing/tests/wlan/hosts/moon/etc/init.d/iptables

   1 #!/sbin/runscript
   2 # Copyright 1999-2004 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4
   5 opts="start stop reload"
   6
   7 depend() {
   8         before net
   9         need logger
  10 }
  11
  12 start() {
  13         ebegin "Starting firewall"
  14
  15         # enable IP forwarding
  16         echo 1 > /proc/sys/net/ipv4/ip_forward
  17
  18         # default policy is DROP
  19         /sbin/iptables -P INPUT DROP
  20         /sbin/iptables -P OUTPUT DROP
  21         /sbin/iptables -P FORWARD DROP
  22
  23         # allow esp
  24         iptables -A INPUT  -i eth1 -p 50 -j ACCEPT
  25         iptables -A OUTPUT -o eth1 -p 50 -j ACCEPT
  26
  27         # allow IKE
  28         iptables -A INPUT  -i eth1 -p udp --sport 500 --dport 500 -j ACCEPT
  29         iptables -A OUTPUT -o eth1 -p udp --dport 500 --sport 500 -j ACCEPT
  30
  31         # allow crl fetch from winnetou
  32         iptables -A INPUT   -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
  33         iptables -A FORWARD -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
  34         iptables -A FORWARD -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
  35         iptables -A OUTPUT  -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
  36
  37         # allow ssh
  38         iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
  39         iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
  40
  41         # enable SNAT
  42         iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p icmp -j SNAT --to-source PH_IP_MOON
  43         iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp  -j SNAT --to-source PH_IP_MOON:2000-2100
  44
  45         eend $?
  46 }
  47
  48 stop() {
  49         ebegin "Stopping firewall"
  50                 for a in `cat /proc/net/ip_tables_names`; do
  51                         /sbin/iptables -F -t $a
  52                         /sbin/iptables -X -t $a
  53
  54                         if [ $a == nat ]; then
  55                                 /sbin/iptables -t nat -P PREROUTING ACCEPT
  56                                 /sbin/iptables -t nat -P POSTROUTING ACCEPT
  57                                 /sbin/iptables -t nat -P OUTPUT ACCEPT
  58                         elif [ $a == mangle ]; then
  59                                 /sbin/iptables -t mangle -P PREROUTING ACCEPT
  60                                 /sbin/iptables -t mangle -P INPUT ACCEPT
  61                                 /sbin/iptables -t mangle -P FORWARD ACCEPT
  62                                 /sbin/iptables -t mangle -P OUTPUT ACCEPT
  63                                 /sbin/iptables -t mangle -P POSTROUTING ACCEPT
  64                         elif [ $a == filter ]; then
  65                                 /sbin/iptables -t filter -P INPUT ACCEPT
  66                                 /sbin/iptables -t filter -P FORWARD ACCEPT
  67                                 /sbin/iptables -t filter -P OUTPUT ACCEPT
  68                         fi
  69                 done
  70         eend $?
  71 }
  72
  73 reload() {
  74         ebegin "Flushing firewall"
  75                 for a in `cat /proc/net/ip_tables_names`; do
  76                         /sbin/iptables -F -t $a
  77                         /sbin/iptables -X -t $a
  78                 done;
  79         eend $?
  80         start
  81 }
  82