forcing networking in case it fails

This commit is contained in:
brent s. 2015-03-21 04:55:07 -04:00
parent 17feef94c6
commit 4c562f7be6
1 changed files with 41 additions and 0 deletions

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@ -7,3 +7,44 @@ chmod 700 /var/db/sudo/lectured
chgrp bdisk /var/db/sudo/lectured/bdisk
chmod 600 /var/db/sudo/lectured/bdisk
chmod 4755 /usr/bin/sudo

function fuck_you_gimme_net() {
IFACE=$(ifconfig -a -s | egrep -E '^((en|wl)p?|em)' | awk '{print $1}' | tr '\n' ' ' | sed -e 's/\ $//g')
for i in ${IFACE};
do

LINK_STATE=$(ethtool ${i} | egrep '^[[:space:]]*Link' | sed -re 's/^[[:space:]]*Link detected:(.*)/\1/g')
DEV=$(echo ${i} | sed -re 's/^([A-Za-z]{1}).*/\1/g' | tr '[[:upper:]]' '[[:lower:]]' )
if [ "${DEV}" == "e" ];
then
if [ "${LINK_STATE}" != "no" ];
then
DEV='ethernet-dhcp'
else
# skip disconnected ethernet
continue
fi
else
DEV='wireless-open'
fi

ifconfig ${i} down
cp -a /etc/netctl/examples/${DEV} /etc/netctl/${i}
sed -i -re "s/^([[:space:]]*Interface[[:space:]]*=).*/\1${i}/g" /etc/netctl/${i}
if [ "${DEV}" == "wireless-open" ];
then
ifconfig ${i} up && \
ESSID=$(iwlist ${i} scanning | egrep -A5 -B5 '^[[:space:]]*Encryption key:off' | egrep '^[[:space:]]*ESSID:' | sed -re 's/^[[:space:]]*ESSID:(.*)/\1/g')
sed -i -re "s/^([[:space:]]*ESSID[[:space:]]*=).*/\1${ESSID}/g" /etc/netctl/${i}
ifconfig ${i} down
fi
netctl start ${i} > /dev/null 2>&1
done
}

ping -c1 google.com | grep -q '1 received'
if [[ "${?}" != "0" ]];
then
fuck_you_gimme_net
systemctl restart openvpn@*
fi