b43-fwcutter/install_bcm43xx_firmware

#!/bin/sh
#
# install_bcm43xx_firmware
#
# This script tries to download and install the firmware needed to run
# WLAN cards using Broadcom's bcm43xx chips.

# firmware for b43
URL1=http://www.lwfinger.com/b43-firmware
FILE1=broadcom-wl-5.100.138.tar.bz2
FIRMWARE1=broadcom-wl-5.100.138/linux/wl_apsta.o

# firmware for b43legacy
URL2=http://downloads.openwrt.org/sources
FILE2=wl_apsta-3.130.20.0.o

test -z "$( type -p curl)" && { echo "'curl' is not installed, aborting. Please install 'curl' and try again."; exit 1; }
test -z "$( type -p b43-fwcutter)" && { echo "'b43-fwcutter' is not installed, aborting. Please install 'b43-fwcutter' and try again."; exit 1; }
test -d /lib/firmware || mkdir -p /lib/firmware

TMPDIR=$(mktemp -d /var/tmp/bcm.XXXXXX) || exit 1

pushd $TMPDIR >/dev/null

echo "Downloading b43 firmware"
curl -# -f -o $FILE1 $URL1/$FILE1
if [ $? -eq 0 ];then
	echo "Extracting b43 firmware"
	tar xjf $FILE1
	b43-fwcutter -w /lib/firmware $FIRMWARE1
else
	echo "Could not download b43 firmware. Please look at /usr/share/doc/packages/b43-fwcutter/README."
fi

echo
echo "Downloading b43legacy firmware"
curl -# -f -o $FILE2 $URL2/$FILE2
if [ $? -eq 0 ];then
	echo "Extracting b43legacy firmware"
	b43-fwcutter -w /lib/firmware $FILE2
else
	echo "Could not download b43legacy firmware. Please look at /usr/share/doc/packages/b43-fwcutter/README."
fi

echo
if [ -d /lib/firmware/b43 ] ; then
	echo "b43 firmware successfully installed."
	/sbin/modprobe -r b43
	/sbin/modprobe b43
else
	echo "b43 firmware installation failed."
fi
if [ -d /lib/firmware/b43legacy ] ; then
	echo "b43legacy firmware successfully installed."
	/sbin/modprobe -r b43legacy
	/sbin/modprobe b43legacy
else
	echo "b43legacy firmware installation failed."
fi

popd >/dev/null
rm -rf $TMPDIR

exit 0