crashplan_remote.sh

#!/bin/bash
# crashplan_remote.sh
# Author: Luca Zorzi (@LucaTNT)
# License: WTFPL (http://www.wtfpl.net)
#
# Connects to CrashPlan running in a FreeNAS jail and launches the Desktop APP, then reverts all the settings back to their defaults

CRASHPLAN_SERVER="192.168.1.78"
CRASHPLAN_USER="luca"

# Backup the current .ui_info config file
sudo cp /Library/Application\ Support/CrashPlan/.ui_info /Library/Application\ Support/CrashPlan/LOCAL.ui_info

# Get token and port from the jail, combine them to form a .ui_info config file
ssh $CRASHPLAN_USER@$CRASHPLAN_SERVER cat /var/lib/crashplan/.ui_info > /tmp/REMOTE.ui_info
CRASHPLAN_PORT=`cat /tmp/REMOTE.ui_info | grep -oE '[0-9]{4},' | grep -oE '[0-9]{4}' | head -n 1`
CRASHPLAN_TOKEN=`cat /tmp/REMOTE.ui_info | awk -F ',' '{print $2}'`
rm  /tmp/REMOTE.ui_info

echo "PORT: $CRASHPLAN_PORT"
echo "TOKEN: $CRASHPLAN_TOKEN"

echo "4200,$CRASHPLAN_TOKEN,127.0.0.1" | sudo tee /Library/Application\ Support/CrashPlan/.ui_info > /dev/null;
echo ".ui_info updated, creating SSH tunnel..."

# -f: background
# -N: No command sent to SSH server
# -M: Master mode, required to be able to control ssh while in the background
# -S: Socket file, used to control ssh
# -L: Bind port $CRASHPLAN_PORT on the remote host (127.0.0.1, relative to the server) to the local port 4200
ssh -f -N -M -S /tmp/crashplan-remote.sock -L 4200:127.0.0.1:$CRASHPLAN_PORT $CRASHPLAN_USER@$CRASHPLAN_SERVER

echo "SSH tunnel established, launching CrashPlan Desktop"

/Applications/CrashPlan.app/Contents/MacOS/CrashPlan > /dev/null 2>&1

echo "CrashPlan Desktop closed, terminating SSH tunnel..."

# Terminate the connection using the specified socket file (-S)
ssh -S /tmp/crashplan-remote.sock -O exit $CRASHPLAN_USER@$CRASHPLAN_SERVER

echo "Restoring local CrashPlan settings..."
sudo cp /Library/Application\ Support/CrashPlan/LOCAL.ui_info /Library/Application\ Support/CrashPlan/.ui_info

echo "CrashPlan Desktop closed, terminating SSH tunnel..."

# Terminate the connection using the specified socket file (-S)
ssh -S /tmp/crashplan-remote.sock -O exit $CRASHPLAN_USER@$CRASHPLAN_SERVER

echo "Restoring local CrashPlan settings..."
sudo mv /Library/Application\ Support/CrashPlan/LOCAL.ui_info /Library/Application\ Support/CrashPlan/.ui_info