diff options
Diffstat (limited to 'src/start_slip.sh')
| -rwxr-xr-x | src/start_slip.sh | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/start_slip.sh b/src/start_slip.sh new file mode 100755 index 0000000..8a9320a --- /dev/null +++ b/src/start_slip.sh @@ -0,0 +1,56 @@ +#!/bin/sh + +# Configurable stuff: + +TTY=/dev/ttyUSB0 # serial port to use +BAUD=9600 # must match compiled-in value in rs232dev.c +SLATTACH=a8_slattach # slattach binary (possibly patched) +SLIP_IFACE=sl0 # probably no need to change this +LOCAL_IP=192.168.0.1 # SLIP IP address for Linux host +REMOTE_IP=192.168.0.2 # SLIP IP address for Atari host +IP_FORWARD=yes # Route packets for the Atari? +IP_MASQUERADE=yes # NAT for the Atari? +MASQ_IFACE=eth1 # if NATing, our main (LAM or internet) interface +DUMP_PACKETS=yes # Run tcpdump on sl0 interface? + +# DELAY may not be needed on all systems... + +# No delay: +#DELAY="true" + +# 1 second: +#DELAY="sleep 1" + +# 1/4 second (may not work on old Linux installs): +DELAY="usleep 250000" + +# End of config section, start of code: + +ifconfig $SLIP_IFACE down 2&>/dev/null +killall $SLATTACH 2&>/dev/null +fuser -k $TTY 2&>/dev/null # make sure nobody's using the port... +$DELAY +fuser -k -9 $TTY 2&>/dev/null # Just in case... +$DELAY + +echo "Starting SLIP on $SLIP_IFACE, local $LOCAL_IP, remote $REMOTE_IP" +$SLATTACH -L -p slip -s $BAUD $TTY & +$DELAY +ifconfig $SLIP_IFACE $LOCAL_IP mtu 576 +ifconfig $SLIP_IFACE $LOCAL_IP pointopoint $REMOTE_IP + +if [ "$IP_MASQUERADE" = "yes" ]; then + echo "IP Masquerading enabled" + iptables -F + iptables -t nat -F + iptables -t nat -A POSTROUTING -o $MASQ_IFACE -j MASQUERADE +fi + +if [ "$IP_FORWARD" = "yes" ]; then + echo "IP Forwarding enabled" + echo "1" > /proc/sys/net/ipv4/ip_forward +fi + +if [ "$DUMP_PACKETS" = "yes" ]; then + tcpdump -i $SLIP_IFACE -X -n -vvv -s 0 +fi |