#!/bin/bash

# Script for accessing AR VMs from outside DCC

remoteviewer=remote-viewer

echo "Going to start SOCKS proxy at ssh.alunos.dcc.up.pt"
read -p "DCC Labs Username: " user

ssh -N -f -D 1080 ${user}@ssh.alunos.dcc.fc.up.pt

echo -e "\nMake sure your browser is configured for using SOCKSv5 proxy 127.0.0.1, port 1080, with DNS access through the proxy.  Go to https://lredes-ovirt.alunos.dcc.fc.up.pt/ , start the VM and download the .vv file to the current directory (`pwd`). Do not open the file.\n"

read -n 1 -s -r -p "Press any key when ready..."

unset GREP_OPTIONS GREP_COLOR GREP_COLORS

if [ ! -f console.vv ]; then
	echo "ERROR: No console.vv file in current dir" >&2
	ps axwww | grep "ssh -N -f -D 1080 ${user}@ssh.alunos.dcc.fc.up.pt" | grep -v grep | sed -e 's/^\s\+//' | cut -f1 -d' ' | xargs kill
	exit 1
fi

host=`grep -m 1 '^host=' console.vv | cut -f2 -d=`
port=`grep -m 1 '^tls-port=' console.vv | cut -f2 -d=`

eschost=`echo $host | sed -e 's/\./\\\\./g'`

sed -i -e "s/host=$eschost/host=127.0.0.1/" console.vv

ssh -N -f -L${port}:${host}:${port} ${user}@ssh.alunos.dcc.fc.up.pt

"$remoteviewer" console.vv

ps axwww | grep "ssh -N -f -D 1080 ${user}@ssh.alunos.dcc.fc.up.pt" | grep -v grep | sed -e 's/^\s\+//' | cut -f1 -d' ' | xargs kill
ps axwww | grep "ssh -N -f -L${port}:${host}:${port} ${user}@ssh.alunos.dcc.fc.up.pt" | grep -v grep | sed -e 's/^\s\+//' | cut -f1 -d' ' | xargs kill