#!/usr/bin/env bash # Copyright (C) 2014 Julien Bonjean # Copyright (C) 2014 Alexander Keller # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . #------------------------------------------------------------------------ # Use the provided interface, otherwise the device used for the default route. IF="${IFACE:-$BLOCK_INSTANCE}" for version in 4 6; do IF="${IF:-$(ip -$version route | sed -n 's/^default.*dev \([^ ]*\).*/\1/p' | head -1)}" done # Exit if there is no default route [[ -z "$IF" ]] && exit #------------------------------------------------------------------------ # As per #36 -- It is transparent: e.g. if the machine has no battery or wireless # connection (think desktop), the corresponding block should not be displayed. [[ ! -d /sys/class/net/${IF} ]] && exit #------------------------------------------------------------------------ AF=${ADDRESS_FAMILY:-"inet6\?"} LABEL="${LABEL:-}" for flag in "$1" "$2"; do case "$flag" in -4) AF=inet ;; -6) AF=inet6 ;; -L) if [[ "$IF" = "" ]]; then LABEL="iface" else LABEL="$IF:" fi ;; esac done if [[ "$IF" = "" ]] || [[ "$(cat /sys/class/net/$IF/operstate)" = 'down' ]]; then echo "${LABEL} down" # full text echo "${LABEL} down" # short text echo \#FF0000 # color exit fi # Use the first global scope address that matches limitation and preffer not local one) while read -r ipaddr; do case "$ipaddr" in ""|169\.*|f*) IPADDR="${IPADDR:-$ipaddr}" continue # try another one esac IPADDR="$ipaddr" break done <<<"$(ip addr show "$IF" | sed -n 's/.*inet6\? \([^/]\+\).* scope global.*/\1/p')" case $BLOCK_BUTTON in 3) echo -n "$IPADDR" | xclip -q -se c ;; esac #------------------------------------------------------------------------ echo "$IPADDR" # full text echo "$IPADDR" # short text #------------------------------------------------------------------------ # Use ping to check if we have connection # We ping only once and wait for one second PINGV="-c 1 -w 1" # Ping nic.cz if ping $PINGV cynerd.cz >/dev/null 2>&1; then echo \#00FF00 # color else # Ping nic.cz by ip if ping $PINGV 77.93.223.198 >/dev/null 2>&1; then # No DNS echo \#FFFF00 # color else # Ping default gateway of this interface if ping $PINGV $(ip route show dev $IF | awk '/^default via/ {print $3}') >/dev/null 2>&1; then # No internet connection but gateway accessible echo \#FF9000 # color else # No internet connection echo \#FF0000 # color fi fi fi