ssh_forward_port

#!/bin/bash

if [[ $1 == "" || $2 == "" || $3 == "" ]]; then
    echo "Usage: $0 <host> <port> <type>" >&2
    exit 1
fi

free_port=$(python -c 'import socket; s=socket.socket(); s.bind(("", 0)); print(s.getsockname()[1]); s.close()')
ssh -N -L $free_port:localhost:$2 $1 sshforward &
if [[ $3 == "http" ]]; then
    open "http://localhost:$free_port"
fi