ambevar-dotfiles/.netinit

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#!/bin/bash
################################################################################
## Custom network initialization script.
## 2012-04-09
################################################################################
if [ $(id -u) -ne 0 ]; then
echo "You must be root to run this script."
exit
fi
NET_INTERFACE=wlan0
WPA_SUPPLICANT_CONF="/etc/wpa_supplicant.conf"
TIMEOUT_LIMIT=500
## Clean running processes if any.
pkill dhcpcd
pkill wpa_supplicant
## In case network inteface is not up.
ip link set ${NET_INTERFACE} up
## Connection.
if [ $# -eq 0 ]; then
# Associate if needed.
if [ "$(iwconfig ${NET_INTERFACE} | grep 'Not-Associated')" != "" ]; then
wpa_supplicant -B -i ${NET_INTERFACE} -D wext -c "${WPA_SUPPLICANT_CONF}"
fi
## Wait until wpa_supplicant has finished association.
i=0
while [ "$(iwconfig ${NET_INTERFACE} | grep 'off/any')" != "" ] && [ $i -lt $TIMEOUT_LIMIT ] ; do
i=$(($i+1))
done
## Get IP.
dhcpcd $NET_INTERFACE
fi
if [ "$1" == "ucd" ]; then
iwconfig ${NET_INTERFACE} essid "WaveLAN Network"
fi