#!/bin/sh
# /usr/local/bin/ptunnel_client

PTUNNEL_PROXY_SERVER="123.234.123.234"
PTUNNEL_PROXY_SERVER_SSH_PORT="22"
PTUNNEL_PROXY_SERVER_SSH_USER="icydoge"
PTUNNEL_PASSWORD="SomePassword"
LOCAL_INTERFACE="en0" # usually eth0 on Linux distributions, en0 on macOS
LOCAL_FORWARD_PORT="8000"
LOCAL_SOCKS5_PORT="1080"

echo "ptunnel requires sudo to run, it will drop uid/pid to an unprivileged user as soon as possible."
sudo ptunnel -p ${PTUNNEL_PROXY_SERVER} -lp ${LOCAL_FORWARD_PORT} -da ${PTUNNEL_PROXY_SERVER} \
 -dp ${PTUNNEL_PROXY_SERVER_SSH_PORT} -c ${LOCAL_INTERFACE} \
 -setuid nobody -setgid nobody -x ${PTUNNEL_PASSWORD} -daemon /tmp/ptunnel -syslog
echo ""

echo "ptunnel should now be running if there is no SSH error below. Set application network proxy\
 to 127.0.0.1:${LOCAL_SOCKS5_PORT} to tunnel application traffic through ptunnel"
echo "Press [ctrl+c] to exit the proxied shell"
echo ""

ssh ${PTUNNEL_PROXY_SERVER_SSH_USER}@127.0.0.1 -p ${LOCAL_FORWARD_PORT} -D ${LOCAL_SOCKS5_PORT} -N
read -p "Press [Enter] to terminate the still-running ptunnel"

echo ""
echo "Requires sudo to kill the running ptunnel daemon."
sudo killall ptunnel