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#!/usr/bin/env bash
# Copyright (C) 2014 Julien Bonjean <julien@bonjean.info>
# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
# 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 <http://www.gnu.org/licenses/>.
#------------------------------------------------------------------------
# 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
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