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#!/bin/ash
# Wait until we have a nameserver in resolv.conf
# and we have a gateway configured
w=0
while ! grep -q ^nameserver /etc/resolv.conf && [ "$w" -lt 10 ]; do
let w++
sleep 1
done
ns=$w
# We don't consider a missing nameserver fatal, but a missing gateway, if no proxy is set
. /etc/profile
while [ -z "$http_proxy" ] && [ -z "$ALL_PROXY" ] && ! ip route show | grep -q ^default; do
[ "$w" -gt 12 ] && exit 1 # Give up - not online
let w++
sleep 1
. /etc/profile
done
gw=$(( w - ns ))
if [ "$ns" -gt 2 ] || [ "$gw" -gt 2 ]; then
echo "Waited $ns seconds for DNS, $gw seconds for default gateway/proxy"
fi
exit 0
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