root/trunk/freewrt/scripts/ib.sh

#!/bin/sh
#-
# $FreeWRT$
#-
# This file is part of the FreeWRT project. FreeWRT is copyrighted
# material, please see the LICENCE file in the top-level directory
# or at http://www.freewrt.org/licence for details.

# Copyright (c) Waldemar Brodkorb <wbx@freewrt.org>
# image builder script (version 0.1)

# change here the base variables
basedir=/srv/apache2/downloads
toolsdir=/var/ib/bin
database=/srv/database/wib_dev.db
usetmpfs=0

# do not change anything below

usage() {
        echo "Usage: `basename $0` -a <arch> -b <board> -k <kernelversion> -f <filesystem> -d <device> -o <outputfile> -p <packagelist>"
        echo "          -a cpu architecture, f.e. mipsel"
        echo "          -b board type, f.e. brcm"
        echo "          -k kernel version, 2.4 or 2.6"
        echo "          -f root filesystem type, f.e. jffs2"
        echo "          -d specific device, f.e. asus-wl500g"
        echo "          -p package list filename"
        echo "          -o output file for the firmware image"
        exit 1
}

# check for needed applications
tools="mksquashfs-lzma trx addpattern mkfs.jffs2 ipkg"

for t in ${tools}
  do 
   [ -x ${toolsdir}/${t} ] || echo "${t} application missing or not executable" 
done

# check for sqlite 
sqlite=$(which sqlite)
[ -x ${sqlite} ] || "sqlite application is missing"

# simple sql functions
sql() {
        sqlite $database "select $1 from $2"
}
sqlw() {
        sqlite $database "select $1 from $2 where $3=\"$4\""
}

allowed_fs=$(sql name filesystems)
allowed_archs=$(sql name arches)
allowed_boards=$(sql name boards)
allowed_devices=$(sql name devices)
allowed_os_kernels=$(sql name os_kernels)

while getopts a:b:f:k:d:o:p: option
do
  case $option in
        a)
                archs=$OPTARG
                for a in $allowed_archs
                do
                        if [ $archs = $a ]
                        then
                                arch=$a
                        fi
                done
                if [ -z $arch ]
                  then
                        echo "unsupported architecture: $archs"
                        exit 1
                fi
                ;;
        b)
                boards=$OPTARG
                for b in $allowed_boards
                do
                        if [ $boards = $b ]
                        then
                                board=$b
                        fi
                done
                if [ -z $board ]
                  then
                        echo "unsupported board: $boards"
                        exit 1
                fi
                ;;
        f)
                filesystems=$OPTARG
                for f in $allowed_fs 
                  do
                        if [ $filesystems = $f ]
                        then 
                                fs=$f
                        fi
                done
                if [ -z $fs ]
                  then
                        echo "unsupported filesystem: $filesystems"
                        exit 1
                fi
                ;;
        k)
                kernels=$OPTARG
                for k in $allowed_os_kernels
                  do
                        if [ $kernels = $k ]
                        then 
                                kernel=$k
                        fi
                done
                if [ -z $kernel ]
                  then
                        echo "unsupported kernel version: $kernels"
                        exit 1
                fi
                ;;
        d)
                devices=$OPTARG
                for d in $allowed_devices
                  do
                        if [ $devices = $d ]
                        then 
                                device=$d
                        fi
                done
                if [ -z $device ]
                  then
                        echo "unsupported device: $devices"
                        exit 1
                fi
                ;;
        o)
                outputfile=$OPTARG
                if [ -z $outputfile ] 
                then
                        echo "You need to set an output file"
                        exit 1
                fi
                ;;
        p)
                packagelist=$OPTARG
                if [ -z $packagelist ] 
                then
                        echo "You need to set a package list file"
                        exit 1
                fi
                ;;
        *)
                echo "$0: unknown option: $option"
                usage
                exit 1
                ;;
  esac
done

if [ -z $1 ]
  then
    usage
    exit 1
fi

if [ $usetmpfs = 1 ]
  then
   tmpdir=$(mktemp -d /dev/shm/fwrt.XXXXXX)
else
   tmpdir=$(mktemp -d)
fi
mkdir -p ${tmpdir}/tmp
mkdir -p ${tmpdir}/root
echo "creating temporary dir: ${tmpdir}"

printf '%s\n%s\n' "dest root /" "option offline_root ${tmpdir}/root" >${tmpdir}/ipkg.conf
ipkg_command="env IPKG_TMP=${tmpdir}/tmp IPKG_INSTROOT=${tmpdir}/root IPKG_CONF_DIR=${tmpdir} ${toolsdir}/ipkg -force-defaults -force-depends"

for p in $(grep -v '^#' $packagelist)
  do
        $ipkg_command install $(ls ${basedir}/${board}-${kernel}/packages/${p}_*)
done

erase_size=$(sqlw erase_size devices name ${device})

if [ $fs = "squashfs-symlinks" -o $fs = "squashfs-overlay" ]
  then 
        align=1024
else
        align=${erase_size}
fi

case $device in 
        asus-wl500g)
                device_opts="-p WL500g -v 1.9.6.0"
                image_command="${toolsdir}/trx ${device_opts} -o ${outputfile} -a ${align} ${tmpdir}/root.${fs}"
                ;;
        asus-wl500g-deluxe)
                device_opts="-p WL500gx -v 1.9.6.0"
                image_command="${toolsdir}/trx ${device_opts} -o ${outputfile} -a ${align} ${tmpdir}/root.${fs}"
                ;;
        asus-wl500g-premium)
                device_opts="-p WL500gp -v 1.9.7.0"
                image_command="${toolsdir}/trx ${device_opts} -o ${outputfile} -a ${align} ${tmpdir}/root.${fs}"
                ;;
esac

jffs_opts="--little-endian --pad --squash-uid"
squashfs_opts="-le -nopad -noappend -root-owned"

case $fs in
        jffs2)
                fs_command="${toolsdir}/mkfs.jffs2 -e ${erase_size} -o ${tmpdir}/root.${fs} -d ${tmpdir}/root"
                ;;
        squashfs-*)
                fs_command="${toolsdir}/mksquashfs-lzma ${tmpdir}/root ${tmpdir}/root.${fs} ${squashfs_opts}"
                ;;
esac

echo "create root filesystem image" 
$fs_command || echo "creating the root filesystem image failed"

echo "create firmware image"
$image_command || echo "failed to create firmware image"

[ -n $tmpdir ] && rm -rf $tmpdir
echo "successfully build firmware image: ${outputfile}"