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#!/bin/sh
# File: /usr/bin/vpn-trayicon
# Location: stackrpms-acer-chromebook package
# Author: bgstack15
# SPDX-License-Identifier: GPL-3.0
# Startdate: 2021-12-26 21:10
# Title: Vpn Trayicon utility
# Package: stackrpms-acer-chromebook
# Purpose: Provide easy vpn control from system tray
# History:
# 2022-11-03 adapted for package
# Usage:
# On demand, run vpn-trayicon
# Reference: keyboard-leds-trayicons
# Improve:
# Documentation:
# for some stupid reason sudo /usr/local/bin/vpn-on doesn't work, so I just use the real commands here.
# Dependencies:
# dep-devuan: mktrayicon
clean_vpn_trayicon() {
{ test -e "${vpn_trayicon}" && echo "q" > "${vpn_trayicon}" ; } 1>/dev/null 2>&1 &
sleep 1 && rm -f "${vpn_trayicon}" "${vpn_KILLFILE}"
}
export vpn_trayicon="/var/run/user/$( id -u )/${$}.vpn.icon"
export vpn_KILLFILE=/tmp/kill-all-vpn-trayicons
test "ON" = "ON" && {
mkfifo "${vpn_trayicon}"
mktrayicon "${vpn_trayicon}" &
echo "m Turn vpn on,sudo wg-quick up wg0|Turn vpn off,sudo wg-quick down wg0|quit,echo 'q' > ${vpn_trayicon} ; touch \"${vpn_KILLFILE}\"" > "${vpn_trayicon}"
echo "i networkmanager" > "${vpn_trayicon}"
}
rm -f "${vpn_KILLFILE}"
trap 'trap "" 2 ; touch "${vpn_KILLFILE}" ' 2 # CTRL-C
while ! test -e "${vpn_KILLFILE}" 2>/dev/null ;
do
ip -o a s wg0 1>/dev/null 2>&1 ; status_now=$? ;
if test "${status_now}" != "${status_old}" ;
then
test -p "${vpn_trayicon}" && case "${status_now}" in
0) # vpn is on now
test -n "${VPN_DEBUG}" && echo "vpn is on (icon file ${vpn_trayicon})" 1>&2
echo "i vpn-on" > "${vpn_trayicon}"
echo "t vpn is on" > "${vpn_trayicon}"
;;
1) # vpn is off now
test -n "${VPN_DEBUG}" && echo "vpn is off (icon file ${vpn_trayicon})" 1>&2
echo "i vpn-off" > "${vpn_trayicon}"
echo "t vpn is off" > "${vpn_trayicon}"
;;
esac
fi
status_old="${status_now}"
sleep 1
done
# safety shutoff
clean_vpn_trayicon
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