chromeos_bashrc

# /etc/skel/.bashrc
#
# This file is sourced by all *interactive* bash shells on startup,
# including some apparently interactive shells such as scp and rcp
# that can't tolerate any output.  So make sure this doesn't display
# anything or bad things will happen !


# Test for an interactive shell.  There is no need to set anything
# past this point for scp and rcp, and it's important to refrain from
# outputting anything in those cases.
if [[ $- != *i* ]] ; then
	# Shell is non-interactive.  Be done now!
	return
fi


# Put your fun stuff here.

# VPN functions

function workdns(){
    normdns
    cp  -v ~/vpn_resolv.conf_bak ~/vpn_resolv.conf &&
    if sudo mount -v --bind ~/vpn_resolv.conf /var/run/shill/resolv.conf; then
        echo "DNS settings succesfully changed"                
    fi
}

function startvpn(){
    echo "startvpn function"
    sudo openvpn --mktun --dev tun0 &&
    sleep 3 &&
    workdns &&
    sudo openvpn --config ~/client.ovpn --dev tun0 &&
    normdns
}

function normdns(){
    # Unmount all mounts
    while true
    do
        if ! sudo umount -v /var/run/shill/resolv.conf; then
            echo "Restored DNS settings"
            break
        fi
    done
}