#!/bin/bash
#
# Usage: copy to /etc/sshvpn/server-tun0 and configure root "authorized_keys" with: 
#
# tunnel="0",command="/etc/sshvpn/server-tun0" ssh-dss <key string> root@client
#
#

INTERFACE="tun0"
SERVER_IP="192.168.5.1"
CLIENT_IP="192.168.5.2"
IFCONFIG="/sbin/ifconfig"
LOGGER="/usr/bin/logger"

remote="${SSH_CLIENT/ /:}"
remote="${remote// *}"

${IFCONFIG} ${INTERFACE} ${SERVER_IP} pointopoint ${CLIENT_IP} up
retval=$?

[ -x "${LOGGER}" ] || exit ${retval}

if [ "$retval" = 0 ]; then
	${LOGGER} -t sshvpn -p daemon.info "SSH VPN Connection with ${remote} established."
else
	${LOGGER} -t sshvpn -p daemon.error "SSH VPN Connection from ${remote} failed."
fi

exit ${retval}