#!/bin/bash
## Mandatory variables
sessionStart="UNSET"
clientHostAddress="UNSET"
clientUID="UNSET"
sessionDuration="UNSET"
txVolume="UNSET"
rxVolume="UNSET"
## Parse variables
if [ ! -z "$time_ascii" ]; then
sessionStart=$time_ascii
fi
if [ ! -z "$trusted_ip" ]; then
clientHostAddress=$trusted_ip
fi
if [ ! -z "$username" ]; then
clientUID=$username
fi
if [ ! -z "$time_duration" ]; then
sessionDuration=$time_duration
fi
if [ ! -z "$bytes_sent" ]; then
txVolume=$bytes_sent
fi
if [ ! -z "$bytes_received" ]; then
rxVolume=$bytes_received
fi
echo "$common_name ($clientHostAddress) Disconnect: Last for $sessionDuration seconds, TX: $txVolume bytes RX: $rxVolume bytes" >> /etc/openvpn/usage.log
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