Script to connect to a headless Linux Crashplan server from OS X

crashplan-remote

#!/bin/bash

if [ "$1" == '' ]; then echo "Please provide a hostname to connect."; exit 1; fi
if [ $(whoami) != 'root' ]; then echo "Need to run with sudo"; exit 1; fi

host=$1

# get secrets
remote_secret=$(ssh root@$host "cat /var/lib/crashplan/.ui_info | cut -d',' -f2")
local_secret=$(cat /Library/Application\ Support/CrashPlan/.ui_info | cut -d',' -f2)

# write setting for remote (GNU sed)
echo -n "4200,$remote_secret,127.0.0.1" > /Library/Application\ Support/CrashPlan/.ui_info
sed -i 's/4243/4200/' /Library/Application\ Support/CrashPlan/ui_${SUDO_USER}.properties

# ssh tunnel
ssh -f -L 4200:localhost:4243 $host sleep 30

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

sleep 10

# revert config change (GNU sed)
echo -n "4243,$local_secret,127.0.0.1" > /Library/Application\ Support/CrashPlan/.ui_info
sed -i 's/4200/4243/' /Library/Application\ Support/CrashPlan/ui_${SUDO_USER}.properties