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#!/bin/sh
TestHosts="4.2.2.4 8.8.8.8"
PingTrials=2
iftest () {
ifconfig $1 2>/dev/null | grep -q RUNNING
}
pingtest () {
# TODO: replace with something parallel
for i in $(seq 1 $PingTrials); do
for h in $2; do
ping -c 1 -w 5 -I $1 $h &>/dev/null
if [ $? -eq 0 ]; then
exit 0;
fi
done
done
}
case "$1" in
internet)
IFace=$(uci get network.wan.ifname)
;;
vpn)
IFace=tun0
;;
*)
echo "Usage:
$0 <internet|vpn>" >&2
exit 1
;;
esac
iftest $IFace && pingtest $IFace $TestHosts
exit 1
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