#!/bin/bash

INSTALL="@INSTALL@"

HOTPLUGPATH=/etc/hotplug

SCRIPTNAME=libmtp.sh

USERMAP=libmtp.usermap

UDEVPATH=/etc/udev/rules.d

UDEVRULES=libmtp.rules

HALBASEPATH=/usr/share/hal/fdi/information

HALPATH=/usr/share/hal/fdi/information/20thirdparty

HALRULES=libmtp.fdi

# See if the parameter script ($2), device ($3) and productid ($4)

# are already defined in the usermap ($1)

function inmap {

    while read LINE; do

	if [ "x${LINE}" != "x" ]; then

	    firstword=`echo ${LINE} | awk '{ print $1 }'`

	    if [ ${firstword} != "#" ]; then

	        # This is a device line entry

		script=${firstword}

		manid=`echo ${LINE} | awk '{ print $3 }'`

		productid=`echo ${LINE} | awk '{ print $4 }'`

		# Skip blank products...

		if [ "x${script}" = "x$2" ]; then

		    if [ "x${manid}" = "x$3" ]; then

			if [ "x${productid}" = "x$4" ]; then

			    echo "yes"

			    return 0

			fi

		    fi

		fi

	    fi

	fi

    done < $1

    echo "no"

    return 0

}

# Scan the usermap $2 for all devices in $1 to see if they are already

# there, else patch the usermap.

function patchusermap {

    # Nullify comment

    comment=""

    while read LINE; do

	if [ "x$LINE" != "x" ]; then

	    firstword=`echo ${LINE} | awk '{ print $1 }'`

	    if [ ${firstword} = "#" ]; then

	    # This is a comment line, save it.

		comment=${LINE}

	    else

	        # This is a device line entry

		script=${firstword}

		manid=`echo ${LINE} | awk '{ print $3 }'`

		productid=`echo ${LINE} | awk '{ print $4 }'`

		# Skip blank products...

		if [ "x${manid}" != "x" ]; then

	            # See if this product is already in the usermap

		    echo "Checking for product ${productid} in $2..."

		    if [ `inmap $2 ${script} ${manid} ${productid}` = "no" ]; then

			echo "Not present, adding to hotplug map."

			echo ${comment} >> $2

			echo ${LINE} >> $2

			comment=""

		    else

			echo "Already installed."

		    fi

		fi

	    fi

	fi

    done < $1

}

# Check for udev first

if test -d ${UDEVPATH} ; then

    echo "You seem to have udev on your system. Installing udev rules..."

    ${INSTALL} ${UDEVRULES} ${UDEVPATH}

    echo "You may need additional setup to get correct permissions on your device."

    echo "See the INSTALL file for information."

    echo "Do you also want to install HAL support or the old hotplug support (y/n)?"

    read IN

    if [ "$IN" = "y" ] || [ "$IN" = "Y" ]; then

	echo "Continuing..."

    else

	exit 0

    fi

fi

# Check for HAL next

if test -d ${HALBASEPATH} ; then

    echo "You seem to have HAL on your system. Installing HAL rules..."

    mkdir -p ${HALPATH}

    ${INSTALL} ${HALRULES} ${HALPATH}

    echo "Do you also want to install the old hotplug support (y/n)?"

    read IN

    if [ "$IN" = "y" ] || [ "$IN" = "Y" ]; then

	echo "Continuing..."

    else

	exit 0

    fi

fi

# Check prerequisites

COMMAND=`which grep 2> /dev/null`

if [ "x${COMMAND}" = "x" ];

then

    echo "Missing grep program. Fatal error."

    exit 1

fi

COMMAND=`which awk 2> /dev/null`

if [ "x${COMMAND}" = "x" ];

then

    echo "Missing awk program. Fatal error."

    exit 1

fi

if [ "x${USER}" != "xroot" ];

then

    echo "WARNING: this program should be run as root!"

fi

# This script locates the hotplug distribution on a certain host

# and sets up userland hotplugging scripts according to rules.

# The in-parameters are the hotplug directory and the name of a

# file of hotplug device entries and a script to be executed for

# these deviced.

if test -d ${HOTPLUGPATH}

then

    echo "Hotplug in ${HOTPLUGPATH}"

else

    echo "Hotplug missing on this system. Cannot install."

    exit 1

fi

if test -d ${HOTPLUGPATH}/usb

then

    echo "Has usb subdirectory."

else

    mkdir ${HOTPLUGPATH}/usb

fi

echo "Installing script."

${INSTALL} libmtp.sh ${HOTPLUGPATH}/usb

echo "Installing usermap."

${INSTALL} -m 644 ${USERMAP} ${HOTPLUGPATH}/usb

# If we find a usb.usermap file, and we see that this distribution

# of hotplug does not support private usermaps, then we need to

# patch the usb.usermap file.

#

# Create a merged file, diff the files to each other, and if there

# were mismatches, then patch the installed file.

echo "Checking hotplugging CVS version..."

echo "/etc/hotplug/usb/*.usermap support was added in august 2002"

EDITMAP="yes"

CVSTAG=`grep '\$Id:' /etc/hotplug/usb.agent`

if [ "x${CVSTAG}" != "x" ]; then

    DATE=`echo ${CVSTAG} | awk '{ print $5 }'`

    echo "Hotplug version seems to be from ${DATE}"

    YEAR=`echo ${DATE} | awk 'BEGIN { FS="/"} {print $1; }'`

    MONTH=`echo ${DATE} | awk 'BEGIN { FS="/"} {print $2; }'`

    DAY=`echo ${DATE} | awk 'BEGIN { FS="/"} {print $3; }'`

    if [ "${YEAR}" -gt "2002" ]; then

	EDITMAP="no"

    else

	if [ "${YEAR}" -eq "2002" ]; then

	    if [ "${MONTH}" -ge "08" ]; then

		EDITMAP="no"

	    fi

	fi

    fi

fi

if [ "x${EDITMAP}" == "xyes" ]; then

    echo "We need to edit the ${HOTPLUGPATH}/usb.usermap if it exists..."

    if test -f ${HOTPLUGPATH}/usb.usermap

    then

	echo "We have a usb.usermap..."

	patchusermap ${USERMAP} /etc/hotplug/usb.usermap

    fi

fi

echo "Hotplugging successfully installed."

exit 0