Add client name to "wg show" command

wgs.sh

#!/bin/bash

# This script adds client name to "wg show" output

# Create tmp file
tmp_file=$(mktemp tmp-wg-out-XXXXXX.log)
# Get colored output from original "wg show" command into file
script --return --quiet --log-out "/dev/null" --command "wg show" --echo never >$tmp_file

# Array to store ip<->client_name asscociation
declare -A clients=()

# Traverse all *.conf files and save ip address and client name (from conf file name)
for conf in $(ls *.conf); do 
    ip_address="$(awk '/Address/{print $3}' $conf | awk -F "/" '{print $1}')"
    client_name="$(basename $(echo $conf | cut -d "-" -f 3-) .conf)"
    clients["$ip_address"]="$client_name"
done    

# Make bold font
bold_start="\033[1m"
bold_end="\033[0m"

# Read wg output and add Client if "allowed ips" string appears
while read line_raw; do
    # Remove color codes
    line_clean=$(echo $line_raw | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g')
    # Get ip address if string has "allowed ips" or "" if does not
    ip_address=$(echo $line_clean | awk '/allowed ips/{print $3}'|awk -F "/" '{print $1}')
    # Print original line
    echo $line_raw
    # And print client name if ip_address is not empty
    [ -n "$ip_address" ] && echo -e "${bold_start}Client${bold_end}: ${clients[$ip_address]}"
done<$tmp_file

# Remove wg output
rm $tmp_file

Improves wireguard wg show commands by adding client name to output