Stops a previously started SSH tunnel.

ssh-forward-stop.sh

#!/bin/bash

# *********************************************************************
# script: ssh-forward-stop.sh
# summary: Stops an SSH Port Forward process, previously started by
#   the companion script `ssh-forward-start.sh`.
#
# Tested on macOS Sierra.
#    
# dependencies: 
#   - The forward must have been started by the companion script.
#   - The PID file must be present in the current folder.
# 
# *********************************************************************

pid_filename="ssh-forward.pid"

echo ""
echo "ssh-forward-stop.sh"
echo "Stops an SSH Port Forward Session, previously started."
echo "Assumes you started the Forward Session with the companion script."
echo ""

if [[ -f ${pid_filename} ]]; then
  ssh_pid=$(cat ${pid_filename})
  kill -9 ${ssh_pid}
  rm ${pid_filename}
  echo "done: ssh fw stopped!"
else
  echo "error: ssh fw process not found! Start one with ssh-forward-start.sh!"
fi

echo ""