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pivpn/scripts/openvpn/clientStat.sh

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#!/usr/bin/env bash
# PiVPN: client status script
STATUS_LOG="/var/log/openvpn-status.log"
if [ ! -f "${STATUS_LOG}" ]; then
echo "The file: $STATUS_LOG was not found!"
exit 1
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fi
scriptusage(){
echo "::: List any connected clients to the server"
echo ":::"
echo "::: Usage: pivpn <-c|clients> [-b|bytes]"
echo ":::"
echo "::: Commands:"
echo "::: [none] List clients with human readable format"
echo "::: -b, bytes List clients with dotted decimal notation"
echo "::: -h, help Show this usage dialog"
}
hr(){
numfmt --to=iec-i --suffix=B "$1"
}
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listClients(){
printf ": NOTE : The output below is NOT real-time!\n"
printf ": : It may be off by a few minutes.\n"
printf "\n"
printf "\e[1m::: Client Status List :::\e[0m\n"
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{
printf "\e[4mName\e[0m \t \e[4mRemote IP\e[0m \t \e[4mVirtual IP\e[0m \t \e[4mBytes Received\e[0m \t \e[4mBytes Sent\e[0m \t \e[4mConnected Since\e[0m\n"
if grep -q "^CLIENT_LIST" "${STATUS_LOG}"; then
if [ -n "$(type -t numfmt)" ]; then
if [ "$HR" = 1 ]; then
while read -r line; do
read -r -a array <<< $line
[[ ${array[0]} = CLIENT_LIST ]] || continue
printf "%s \t %s \t %s \t %s \t %s \t %s %s %s - %s\n" ${array[1]} ${array[2]} ${array[3]} $(hr ${array[4]}) $(hr ${array[5]}) ${array[7]} ${array[8]} ${array[10]} ${array[9]}
done <$STATUS_LOG
else
while read -r line; do
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read -r -a array <<< $line
[[ ${array[0]} = CLIENT_LIST ]] || continue
printf "%s \t %s \t %s \t %'d \t %'d \t %s %s %s - %s\n" ${array[1]} ${array[2]} ${array[3]} ${array[4]} ${array[5]} ${array[7]} ${array[8]} ${array[10]} ${array[9]}
done <$STATUS_LOG
fi
else
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awk -F' ' -v s='CLIENT_LIST' '$1 == s {print $2"\t\t"$3"\t"$4"\t"$5"\t\t"$6"\t\t"$8" "$9" "$11" - "$10"\n"}' ${STATUS_LOG}
fi
else
printf "\nNo Clients Connected!\n"
fi
printf "\n"
} | column -t -s $'\t'
}
if [[ $# -eq 0 ]]; then
HR=1
listClients
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else
while true; do
case "$1" in
-b|bytes)
HR=0
listClients
exit 0
;;
-h|help)
scriptusage
exit 0
;;
*)
HR=0
listClients
exit 0
;;
esac
done
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fi