ansible.fftdf.supernode/files/sn_startup.sh.j2

#!/bin/sh

# Stop tunneldigger until bat0 is up
#/usr/sbin/service tunneldigger stop

# Set unreachable for table 200
#/bin/ip route add unreachable 0.0.0.0/0 table iffy

#while ! ping -c 1 -W 1 {{ sn_iffy_traffic }}; do
#    echo "Waiting for {{ sn_iffy_traffic }} - network interface might be down..."
#    sleep 5
#done


# Activate IP forwarding
/sbin/sysctl -w net.ipv6.conf.all.forwarding=1
/sbin/sysctl -w net.ipv4.ip_forward=1
/sbin/sysctl kernel.panic=10

# Routing table 200 for traffic above port 1023
#/bin/grep 200 /etc/iproute2/rt_tables || /bin/echo 200	iffy >> /etc/iproute2/rt_tables

# Set table for traffice with mark 4
#/bin/ip rule add fwmark 0x4 table iffy

# Set mark 4 to traffic above port 1023
#/sbin/iptables -t mangle -A PREROUTING -p tcp --dport 1024:65535 -s 10.0.0.0/8 ! -d 10.0.0.0/8 -j MARK --set-mark 4
#/sbin/iptables -t mangle -A PREROUTING -p udp --dport 1024:65535 -s 10.0.0.0/8 ! -d 10.0.0.0/8 -j MARK --set-mark 4

# NAT on eth0
/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

# Allow MAC address spoofing
/sbin/sysctl net.ipv4.conf.bat0.rp_filter=0

# Set gateway for table 200
#/bin/ip route replace default via {{ sn_iffy_traffic }} table iffy

# Start tunneldigger
#/usr/sbin/service tunneldigger start

exit 0