#! /bin/sh -

# Extension to vyprvpn program to select a random server
# and automatically connect when Wi-Fi connects
# Resides in /etc/network/if-up.d

if ip tuntap show | grep tun0; then
    exit 1
fi

if [ $IFACE = "wlp3s0" ]; then
    numlines=$(vyprvpn server list | wc -l | cut -d ' ' -f 1)
    x=`expr $numlines - 1`
    rand=$(tr -cd 0-9 < /dev/urandom | head -c 3)
    linenum=`expr $rand % $x`
    line=$(vyprvpn server list | head -"$linenum" | tail -1)
    vyprvpn server set $line
    vyprvpn connect
fi