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Viewing file:     mkinitrd (54.29 KB)      -rwxr-xr-x

#!/bin/bash --norc
#
# mkinitrd
#
# Copyright 2005 Red Hat, Inc.
#
# Written by Erik Troan <ewt@redhat.com>
#
# Contributors:
#       Elliot Lee <sopwith@cuc.edu>
#       Miguel de Icaza <miguel@nuclecu.unam.mx>
#       Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de>
#       Michael K. Johnson <johnsonm@redhat.com>
#       Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr>
#       Jakub Jelinek <jakub@redhat.com>
#       Carlo Arenas Belon (carenas@chasqui.lared.net.pe>
#       Keith Owens <kaos@ocs.com.au>
#       Bernhard Rosenkraenzer <bero@redhat.com>
#       Matt Wilson <msw@redhat.com>
#       Trond Eivind Glomsrød <teg@redhat.com>
#       Jeremy Katz <katzj@redhat.com>
#       Preston Brown <pbrown@redhat.com>
#       Bill Nottingham <notting@redhat.com>
#       Guillaume Cottenceau <gc@mandrakesoft.com>
#       Peter Jones <pjones@redhat.com>

export MALLOC_PERTURB_=204

PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
export PATH

. /etc/rc.d/init.d/functions

LC_COLLATE=C
export LC_COLLATE
# Set the umask. For iscsi, the initrd can contain platintext
# password (chap secret), so only allow read by owner.
umask 077

VERSION=5.1.19.6

PROBE="yes"
MODULES=""
BOOTMODULES=""
FIPSMODULES=""
MODLOOPS=""
PREMODS=""
PREINTERFACES=""
NET_LIST=""
DHCPDEVS=""

ncryptodevs=0
ncryptoparts=0
ncryptolvs=0
ncryptoraids=0

CFG_DIR=${MKINITRD_CONFIG_DIR:-/etc/sysconfig/mkinitrd}
cfgs="$CFG_DIR/*[^~]"
for cfg in $cfgs ; do
    [ -x $cfg ] && . $cfg
done

CONFMODS="$MODULES"
MODULES=""
ARCH=$(uname -m | sed -e 's/s390x/s390/')

compress=1
allowmissing=""
target=""
kernel=""
force=""
verbose=""
img_vers=""
builtins=""
modulefile=/etc/modules.conf
[ "$ARCH" == "s390" ] && withusb=0 || withusb=1
[ "$MULTIPATH" == "no" ] && withmpath=0 || withmpath=1
[ "$DMRAID" == "no" ] && withdmraid=0 || withdmraid=1
withfips=0
if [ -f /proc/sys/crypto/fips_enabled ]; then
    withfips=$(cat /proc/sys/crypto/fips_enabled)
fi
rc=0


IMAGESIZE=8000
PRESCSIMODS="sd_mod"
fstab="/etc/fstab"

vg_list=""
net_list="$NET_LIST"

vecho()
{
    NONL=""
    if [ "$1" == "-n" ]; then
        NONL="-n"
        shift
    fi
    if [ -n "$verbose" ]; then
        echo $NONL "$@"
    fi
}

error()
{
    NONL=""
    if [ "$1" == "-n" ]; then
        NONL="-n"
        shift
    fi
    echo $NONL "$@" >&2
}

usage () {
    if [ "$1" == "-n" ]; then
        cmd=echo
    else
        cmd=error
    fi

    $cmd "usage: `basename $0` [--version] [--help] [-v] [-f] [--preload <module>]"
    $cmd "       [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]"
    $cmd "       [--image-version] [--force-raid-probe | --omit-raid-modules]"
    $cmd "       [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"
    $cmd "       [--builtin=<module>] [--net-dev=<interface>] [--with-fips]"
    $cmd "       [--without-usb] [--without-multipath] [--without-dmraid]"
    $cmd "       [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"
    $cmd ""
    $cmd "       (ex: `basename $0` /boot/initrd-2.2.5-15.img 2.2.5-15)"

    if [ "$1" == "-n" ]; then
        exit 0
    else
        exit 1
    fi
}

moduledep() {
    vecho -n "Looking for deps of module $1"
    deps=$(modprobe --set-version $kernel --show-depends $1 2>/dev/null| awk '/^insmod / { print gensub(".*/","","g",$2) }' | while read foo ; do [ "${foo%%.ko}" != "$1" ] && echo -n "${foo%%.ko} " ; done)
    [ -n "$deps" ] && vecho ": $deps" || vecho
}

locatemodule() {
    fmPath=$(modprobe --set-version $kernel --show-depends $1 2>/dev/null | awk '/^insmod / { print $2; }' | tail -1)
    if [ -n "$fmPath" -a -f "$fmPath" ]; then
        return 0
    fi
    for modExt in o.gz o ko ; do
        for modDir in /lib/modules/$kernel/updates /lib/modules/$kernel ; do
            if [ -d $modDir ]; then
                fmPath=$(findone $modDir -name $1.$modExt)
                if [ -L "$fmPath" ]; then
                    fmPath=$(readlink -f "$fmPath")
                fi
                if [ -n "$fmPath" -a -f "$fmPath" ]; then
                    return 0
                fi
            fi
        done
    done
    return 1
}

findone() {
    echo nash-find "$@" | /sbin/nash --force --quiet \
        | /bin/awk '{ print $1; exit; }'
}

findall() {
    echo nash-find "$@" | /sbin/nash --force --quiet
}

resolve_device_name() {
    echo nash-resolveDevice "$1" | /sbin/nash --forcequiet
}

find_dm_in_sysblock() {
        devname=$(resolve_device_name $1)
        [ -z "$devname" ] && return 1
        majmin=$(get_numeric_dev dec $devname)
        [ -z "$majmin" ] && return 1
        findall /sys/block -name dev | while read device ; do \
                  echo "$majmin" | cmp -s $device && echo $device ; done \
                  | sed -e 's,/dev$,,'
}

is_mpath() {
    major=$(echo $1 | cut -d: -f1)
    minor=$(echo $1 | cut -d: -f2)
    for target in $(dmsetup -C -j $major -m $minor table 2>/dev/null | \
            grep -v "No devices found" | awk ' { print $3 }') ; do
        [ "$target" == "multipath" ] && return 0
    done
    return 1
}

get_disk_vendor() {
    local vendor=$(scsi_id -g -u -s ${1#/sys} -x | grep ^ID_VENDOR= | \
        sed 's/^ID_VENDOR=//')
    [ -n "$vendor" ] || vendor=$(scsi_id -g -ppre-spc3-83 -u -s ${1#/sys} -x \
        | grep ^ID_VENDOR= | sed 's/^ID_VENDOR=//')
    [ -z "$vendor" ] && return 1
    echo ${vendor}
}

# this sucks; we need a generic way to get the hardware handler
is_emc() {
    local syspath=$1
    local devpath=$2
    local majmin=$(cat ${syspath}/dev)
    local major=$(echo $1 | cut -d: -f1)
    local minor=$(echo $1 | cut -d: -f2)
    if dmsetup -C -j $major -m $minor table 2>/dev/null | \
            grep -v "No devices found" | grep -q " emc " ; then
        return 0
    fi
    if [ "$(get_disk_vendor ${syspath})" == "DGC" ]; then
        return 0
    fi
    return 1
}

find_mpath_deps() {
    local devpath="/dev/$(echo $1 | sed -e 's,.*/\([^/]\+\),\1,' )"
    local arg2="$2"
    local majmin=$(cat $1/dev)
    local ret=1
    if [ "${arg2}" == "yes" ]; then
        if is_emc ${1} ${devpath} ; then
            ret=0
        fi
    fi
    if is_mpath ${majmin} ; then
        arg2=yes
    fi
    slaves="$1/slaves/*"
    for slave in $slaves ; do
        [ -e $slave ] || continue
        find_mpath_deps $(readlink $slave) ${arg2} && ret=0
    done
    if [ "$2" == "yes" ]; then
        echo $devpath
    fi
    return $ret
}

findmodule() {
    skiperrors=""

    if [ $1 == "--skiperrors" ]; then
        skiperrors=--skiperrors
        shift
    fi

    if [ $1 == "--loop" ]; then
        MODLOOPS=" $MODLOOPS$2 "
        shift
        shift
    fi

    local modName=$1

    if [ "$modName" = "off" -o "$modName" = "null" ]; then
        return
    fi

    if [ "$modName" != "${modName##-}" ]; then
        skiperrors=--skiperrors
        modName="${modName##-}"
    fi

    case "$MODULES $BOOTMODULES $FIPSMODULES " in
        *"/$modName.ko "*) return ;;
    esac

    if echo $builtins | egrep -q '(^| )'$modName'( |$)' ; then
        vecho "module $modName assumed to be built in"
        return
    fi

    # special cases
    if [ "$modName" = "i2o_block" ]; then
        findmodule i2o_core
        findmodule -i2o_pci
        modName="i2o_block"
    elif [ "$modName" = "ppa" ]; then
        findmodule parport
        findmodule parport_pc
        modName="ppa"
    elif [ "$modName" = "sbp2" ]; then
        findmodule ieee1394
        findmodule ohci1394
        modName="sbp2"
    elif [ "$modName" = "gfs2" ]; then
        case " $MODLOOPS " in
            *" gfs2 "*) ;;
            *)
                findmodule --loop gfs2 lock_nolock
                case " $MODULES " in
                    *"/gfs2.ko "*) return ;;
                esac
                ;;
        esac
    elif [ "$modName" = "nfs" ]; then
        findmodule sunrpc
        modName="nfs"
    elif [ "$modName" = "usb-storage" -o "$modName" = "ub" ]; then
        usbModName="$modName"
    fi

    if [ -n "$usbModName" \
            -a "$modName" != "uhci-hcd" \
            -a "$modName" != "ohci-hcd" \
            -a "$modName" != "ehci-hcd" ]; then
        withusb=1
        findmodule ehci-hcd
        findmodule ohci-hcd
        findmodule uhci-hcd

        usbModName=""
    fi

    moduledep $modName
    for i in $deps; do
        findmodule $i
    done

    locatemodule $modName

    if [ ! -f "$fmPath" ]; then
        if [ -n "$skiperrors" ]; then
            return
        fi

        # ignore the absence of the scsi modules
        for n in $PRESCSIMODS; do
            if [ "$n" = "$modName" ]; then
                return;
            fi
        done;

        if [ -n "$allowmissing" ]; then
            error "WARNING: No module $modName found for kernel $kernel, continuing anyway"
            return
        fi

        error "No module $modName found for kernel $kernel, aborting."
        exit 1
    fi

    # only need to add each module once
    MODULES="$MODULES $fmPath"

    # need to handle prescsimods here -- they need to go _after_ scsi_mod
    if [ "$modName" = "scsi_mod" ]; then
        for n in $PRESCSIMODS ; do
            findmodule $n
        done
    fi
}

find_scsi_dh_modules() {
    local scsipath=$(modprobe --set-version $kernel --show-depends sg 2>/dev/null | awk '/^insmod / { print $2; }' | tail -1)
    scsipath="${scsipath%%sg.ko}device_handler/"
    [ -d "$scsipath" ] || return
    for x in $scsipath/*.ko ; do
        local h=${x##*/}
        findmodule -${h%%.ko}
    done
}

inst() {
    if [ "$#" != "2" ];then
        echo "usage: inst <file> <destination>"
        return
    fi
    vecho "$1 -> $2"
    mkdir -p $(dirname $2)
    cp $1 $2
}

readlink() {
    echo nash-readlink "$1" | /sbin/nash --force --quiet
}

access() {
    echo nash-access "$@" | /sbin/nash --force --quiet
}

slavestried=""
findstoragedriverinsys () {
    while [ ! -L device ]; do
        if [ -d slaves ]; then
            for slave in slaves/* ; do
                [ "$slave" == "slaves/*" ] && continue
                slavename=${slave##*/}
                case " $slavestried " in
                    *" $slavename "*)
                        continue
                        ;;
                    *)
                        slavestried="$slavestried $slavename"
                        pushd $slave >/dev/null 2>&1
                        findstoragedriverinsys
                        popd >/dev/null 2>&1
                        ;;
                esac
            done
        fi
        [ "$PWD" = "/sys" ] && return
        cd ..
    done
    cd $(readlink ./device)
    if is_iscsi $PWD; then
        handleiscsi "$PWD"
        return
    fi
    if echo $PWD | grep -q /virtio-pci/ ; then
        findmodule virtio_pci
    fi
    while [ "$PWD" != "/sys/devices" ]; do
        deps=
        if [ -f modalias ]; then
            moduledep $(cat modalias)
        fi

        [ -z "$deps" -a -L driver/module ] && \
            deps=$(basename $(readlink driver/module))
        for driver in $deps ; do
            findmodule $driver
        done
        cd ..
    done
}

findstoragedriver () {
    for device in $@ ; do
        case " $handleddevices " in
            *" $device "*)
                continue ;;
            *) handleddevices="$handleddevices $device" ;;
        esac
        if [[ "$device" =~ "^md[0-9]+" ]]; then
            vecho "Found RAID component $device"
            handleraid "$device"
            continue
        fi
	vecho "Looking for driver for device $device"
        if [[ "$device" =~ ^(dm-|mapper/) ]]; then
            device=$(resolve_dm $device)
            vecho "Found DM device $device"
            majmin=$(get_numeric_dev dec "/dev/$device")
            sysfs=$(find_dm_in_sysblock /dev/$device)
            handledm $(echo "$majmin" |cut -d : -f 1) $(echo "$majmin" |cut -d : -f 2)
        else
            sysfs=$(findone -type d /sys/block -name $device)
        fi
        [ -z "$sysfs" ] && return
        pushd $sysfs >/dev/null 2>&1
        findstoragedriverinsys
        popd >/dev/null 2>&1
    done
}

findnetdriver() {
    for device in $@ ; do
        case " $handleddevices " in
            *" $device "*)
                continue ;;
            *) handleddevices="$handleddevices $device" ;;
        esac
        if [ -f /sys/class/net/$device/device/modalias ]; then
            modalias=$(cat /sys/class/net/$device/device/modalias)
	    moduledep $modalias
	    for driver in $deps ; do
		findmodule $driver
	    done
	elif [ "$(basename $(readlink /sys/class/net/$device/device/bus) 2>/dev/null)" = "xen" ]; then
	    findmodule xennet # FIXME: hack for xennet sucking
	else
	    findmodule $(ethtool -i $device | awk '/^driver:/ { print $2 }')
 	fi
    done
}

iscsi_get_rec_val() {

    # The open-iscsi 742 release changed to using flat files in
    # /var/lib/iscsi.

    result=$(/sbin/iscsiadm --show -m session -r ${1} | grep "^${2} = ")
    result=${result##* = }
}

ibft_get_rec_val() {
    result=$(/sbin/iscsiadm -m fw 2>/dev/null | grep "^${1} = ")
    result=${result##* = }
}

iscsi_set_parameters() {
    path=$1
    vecho setting iscsi parameters

    # Check once before getting explicit values, so we can output a decent
    # error message.

    if ! /sbin/iscsiadm -m session -r ${path} >/dev/null ; then
        echo Unable to find iscsi record for $path
        exit 1
    fi

    nit_name=$(grep "^InitiatorName=" /etc/iscsi/initiatorname.iscsi | \
        sed -e "s/^InitiatorName=//")


    iscsi_get_rec_val $path "node.name"; tgt_name=${result}
    iscsi_get_rec_val $path "node.tpgt"; tpgt=${result}
    iscsi_get_rec_val $path "node.conn\[0\].address"; tgt_ipaddr=${result}
    iscsi_get_rec_val $path "node.conn\[0\].port"; tgt_port=${result}

    # Note: we get chap secrets (passwords) in plaintext, and also store
    # them in the initrd.

    iscsi_get_rec_val $path "node.session.auth.username"
    chap=${result}
    if [ -n "${chap}" -a "${chap}" != "<empty>" ]; then
        chap="-u ${chap}"
        iscsi_get_rec_val $path "node.session.auth.password" 
        chap_pw="-w ${result}"
    else
	chap=""
    fi

    iscsi_get_rec_val $path "node.session.auth.username_in"
    chap_in=${result}
    if [ -n "${chap_in}" -a "${chap_in}" != "<empty>" ]; then
        chap_in="-U ${chap_in}"
        iscsi_get_rec_val $path "node.session.auth.password_in" 
        chap_in_pw="-W ${result}"
    else
	chap_in=""
    fi
}

iscsi_is_ibft() {
    path=$1

    iscsi_get_rec_val $path "node.name"; tgt_name=${result}
    iscsi_get_rec_val $path "node.conn\[0\].address"; tgt_ipaddr=${result}
    iscsi_get_rec_val $path "node.conn\[0\].port"; tgt_port=${result}

    found_name=no
    found_ipaddr=no
    found_port=no
    res=$(iscsiadm -m fw 2>/dev/null | while read key equal value ; do
            if [ "$key" == "node.name" ]; then
                [ "$value" == "$tgt_name" ] && found_name=yes
            elif [[ "$key" =~ "node.conn\[[[:alnum:]]+\].address" ]]; then
                [ "$value" == "$tgt_ipaddr" ] && found_ipaddr=yes
            elif [[ "$key" =~ "node.conn\[[[:alnum:]]+\].port" ]]; then
                [ "$value" == "$tgt_port" ] && found_port=yes
            fi
            if [ "$found_name" == "yes" -a \
                    "$found_ipaddr" == "yes" -a "$found_port" == "yes" ]; then
                echo yes
                break
            fi
        done)
    if [ "$res" == "yes" ]; then
        return 0
    else
        return 1
    fi
}

emit_iscsi_device() {
    dev=${1##iscsi_device_}
    emit "echo Attaching to iSCSI storage"

    inst /sbin/iscsistart "$MNTIMAGE/sbin/iscsistart"
    if iscsi_is_ibft $dev ; then
        emit "/bin/iscsistart -b"
    else
        iscsi_set_parameters $dev
        # recid is not really used, just use 0 for it
        emit "/bin/iscsistart -t ${tgt_name} -i ${nit_name} \
            -g ${tpgt} -a ${tgt_ipaddr} ${chap} ${chap_pw} \
            ${chap_in} ${chap_in_pw}"
    fi
}

is_iscsi() {
    path=$1
    if echo $path | grep -q "/platform/host[0-9]*/session[0-9]*/target[0-9]*:[0-9]*:[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*"; then
        return 0
    else 
        return 1
    fi
}

handleiscsi() {
    vecho "Found iscsi component $1"
    findmodule iscsi_tcp
    findmodule sd_mod

    # We call iscsi_set_parameters once here to figure out what network to
    # use (it sets tgt_ipaddr), and once again to emit iscsi values,
    # not very efficient.
    if iscsi_is_ibft $1 ; then
	findmodule iscsi_ibft
	for mac in $(cat /sys/firmware/ibft/ethernet*/mac) ; do
	    netdev=$(/sbin/ip -o link list | grep $mac | \
		sed 's/^[^ ]\+ \([^ ]\+\): .*$/\1/g')
            addnetdev $netdev
        done
    else
        iscsi_set_parameters $1
        netdev=$(/sbin/ip route get to $tgt_ipaddr | \
            sed 's|.*dev \(.*\).*|\1|g' | awk '{ print $1; exit }')
        addnetdev $netdev
    fi
    iscsi_devs="$iscsi_devs $1"

    MODULES="$MODULES iscsi_device_$1"
}

handleraid() {
    local start=0

    if [ -n "$noraid" -o ! -f /proc/mdstat ]; then
        return 0
    fi

    levels=$(awk "/^$1[	 ]*:/ { print\$4 }" /proc/mdstat)
    devs=$(gawk "/^$1[	 ]*:/ { print gensub(\"\\\\[[0-9]*\\\\]\",\"\",\"g\",gensub(\"^md.*raid[0-9]*\",\"\",\"1\")) }" /proc/mdstat)

    for level in $levels ; do
        case $level in
        linear)
            findmodule linear
            start=1
            ;;
        multipath)
            findmodule multipath
            start=1
            ;;
        raid[01456] | raid10)
            findmodule $level
            start=1
            ;;
        *)
            error "raid level $level (in /proc/mdstat) not recognized"
            ;;
        esac
    done
    findstoragedriver $devs
    if [ "$start" = 1 ]; then
        raiddevices="$raiddevices $1"
    fi
    return $start
}

resolve_dm() {
    # resolve device mapper nodes to something of the form /dev/mapper/foo
    if [[ ! "$1" =~ ^dm- ]]; then
	echo $1
	return 0
    fi
    majmin=$(cat /sys/block/$1/dev)
    for dmdev in /dev/mapper/* ; do
	dmnum=$(get_numeric_dev dec $dmdev)
	if [ "$dmnum" = "$majmin" ]; then
	    echo ${dmdev#/dev/}
	    break
	fi
    done
}


handledm() {
    major=$1
    minor=$2
    while read dmstart dmend dmtype r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 ; do
        case "$dmtype" in
            crypt)
            	slavedev=$(findall /sys/block -name dev \
			   | while read device ; do \
                                echo "$r3" \
                                    | cmp -s $device && echo $device ; \
                             done \
                           | sed -e 's,.*/\([^/]\+\)/dev,\1,;s,!,/,' )
                slavedev=$(resolve_dm ${slavedev##/dev/})
                cryptsetup isLuks "/dev/$slavedev" 2>/dev/null || continue
                vecho "device is LUKS, slave is $slavedev"
                find_base_dm_mods
                findmodule dm-crypt
                for mod in $(echo $r0 | tr ':-' '  ') ; do
                    findmodule --skiperrors $mod
                done
                dmname=$(dmsetup info -j $major -m $minor -c --noheadings -o name)
                slavedev=$(resolve_dm $slavedev)

                # determine if $slavedev is an LV
                #  if so, add the device to latecryptodevs
                #  if not, add the device to cryptodevs
                local vg=$(lvm.static lvs --ignorelockingfailure --noheadings -o vg_name /dev/$slavedev 2>/dev/null)

                if [ -n "$vg" ]; then
                    eval cryptolv${ncryptolvs}='"'/dev/$slavedev $dmname'"'
                    let ncryptolvs++
                elif grep -q "^$slavedev :" /proc/mdstat ; then
                    eval cryptoraid${ncryptoraids}='"'/dev/$slavedev $dmname'"'
                    let ncryptoraids++
                else
                    eval cryptopart${ncryptoparts}='"'/dev/$slavedev $dmname'"'
                    let ncryptoparts++
                fi

                let ncryptodevs++
                handlelvordev "/dev/$slavedev"
                ;;
        esac
    done << EOF
        $(dmsetup table -j $major -m $minor 2>/dev/null)
EOF
}

dmmods_found="n"
find_base_dm_mods()
{
    [ "$dmmods_found" == "n" ] || return
    findmodule -dm-mod
    
    # DM requires all of these to be there in case someone used the
    # feature.  broken.  (#132001)
    findmodule -dm-mirror
    findmodule -dm-zero
    findmodule -dm-snapshot
    dmmods_found="y"
}

handlelvordev() {
    local vg=`lvm.static lvs --ignorelockingfailure --noheadings -o vg_name $1 2>/dev/null`
    if [ -n "$vg" ]; then
        vg=`echo $vg` # strip whitespace
        case " $vg_list " in
        *" $vg "*)
            ;;
        *)
            vg_list="$vg_list $vg"
            for device in `lvm.static vgdisplay --ignorelockingfailure -v $vg 2>/dev/null | sed -n 's/PV Name//p'`; do
                findstoragedriver ${device##/dev/}
            done
            ;;
        esac
    else
        findstoragedriver ${1##/dev/}
    fi
}

handlenetdev() {
    local dev=$1

    source /etc/sysconfig/network
    if [ ! -f /etc/sysconfig/network-scripts/ifcfg-$dev ]; then
        error "unable to find network device configuration for $dev"
    else
        source /etc/sysconfig/network-scripts/ifcfg-$dev
    fi

    if [ x"$BOOTPROTO" = x ]; then
        error "bootproto not specified for $dev, assuming DHCP"
        BOOTPROTO=dhcp
    fi

    [ -n "$IPADDR" ] && IPSTR="$IPSTR --ip $IPADDR"
    [ -n "$NETMASK" ] && IPSTR="$IPSTR --netmask $NETMASK"
    [ -n "$GATEWAY" ] && IPSTR="$IPSTR --gateway $GATEWAY"
    [ -n "$ETHTOOL_OPTS" ] && IPSTR="$IPSTR --ethtool \"$ETHTOOL_OPTS\""
    [ -n "$MTU" ] && IPSTR="$IPSTR --mtu $MTU"
    if [ -n "$IPADDR" ]; then
        [ -z "$DOMAIN" ] && DOMAIN=$(awk '/^search / { print gensub("^search ","",1) }' /etc/resolv.conf)
        if [ -z "$DNS1" ]; then
            DNS1=$(awk '/^nameserver / { ORS="" ; if (x > 0) print "," ; printf "%s", $2 ; x = 1}' /etc/resolv.conf)
        fi
    fi
    [ -n "$DOMAIN" ] && IPSTR="$IPSTR --domain \"$DOMAIN\""
    if [ -n "$DNS1" ]; then
        if [ -n "$DNS2" ]; then
            IPSTR="$IPSTR --dns $DNS1,$DNS2"
        else
            IPSTR="$IPSTR --dns $DNS1"
        fi
    fi
    prenetwork=""
    if [ -n "$HWADDR" ]; then
	prenetwork="netname $HWADDR $dev"
    fi
    network="network --device $dev --bootproto $BOOTPROTO $IPSTR"
    if [ "$BOOTPROTO" = "dhcp" ]; then
        postnetwork="rename /var/lib/dhclient/dhclient.leases /var/lib/dhclient/dhclient-$dev.leases"
        DHCPDEVS="$DHCPDEVS $dev"
        mkdir -p $MNTIMAGE/var/lib/dhclient
    fi
}

addnetdev() {
    dev=$1

    vecho "Adding network device $dev"
    findnetdriver $dev
    MODULES="$MODULES network_device_$netdev"
    net_list="$net_list $netdev"
}

handlenfs() {
    remote=${1%%:*}
    remoteip=$(host $remote | awk '/ address / { print $4 }')
    # assume, if it didn't resolve, that it's an IP
    [ -z "$remoteip" ] && remoteip=$remote
    netdev=`/sbin/ip route get to $remoteip |sed 's|.*dev \(.*\).*|\1|g' |awk '{ print $1; exit }'`
    addnetdev $netdev
}

emit_modules()
{
    scsi=""
    usb_mounted="prep"
    for MODULE in "$@"; do
        text=""

        if [[ "$MODULE" =~ "^iscsi_device_" ]] ; then
            emit_iscsi_device "${MODULE##iscsi_device_}"
            continue
        elif [[ "$MODULE" =~ "^network_device_" ]] ; then
            netdev="${MODULE##network_device_}"
            emit "echo Bringing up $netdev"
            handlenetdev "$netdev"
            if [ -n "$prenetwork" ]; then
                emit $prenetwork
            fi
            emit $network
            if [ -n "$postnetwork" ]; then
                emit $postnetwork
            fi
            continue
        fi

        module=`echo $MODULE | sed -e "s|.*/||" -e "s/.k\?o$//"`
        fullmodule=`echo $MODULE | sed "s|.*/||"`

        options=`sed -n -e ':a' -e '/\\\\$/N; s/\\\\\n//; ta' -e "s/^options[ 	][ 	]*$module[ 	][ 	]*//p" $modulefile 2>/dev/null`
        
        if [ -n "$options" ]; then
            vecho "Adding module $module$text with options $options"
        else
            vecho "Adding module $module$text"
        fi

        # we mount usbfs before the first module *after* the HCDs
        if [ "$usb_mounted" == "prep" ]; then
            if [[ "$module" =~ ".hci[_-]hcd" ]]; then
                usb_mounted="no"
            fi
        elif [ "$usb_mounted" == "no" ]; then
            if [[ ! "$module" =~ ".hci[_-]hcd" ]]; then
                usb_mounted=yes
                emit "mount -t usbfs /proc/bus/usb /proc/bus/usb"
            fi
        fi

        emit "echo \"Loading $fullmodule module\""
        emit "insmod /lib/$fullmodule $options"
            
        # Hack - we need a delay after loading usb-storage to give things
        #        time to settle down before we start looking a block devices
        if [ "$module" = "usb-storage" -o "$module" = "ub" ]; then
            emit "echo Waiting for driver initialization."
            emit "stabilized /proc/bus/usb/devices"
        fi
        if [ "$module" = "sbp2" ]; then
            emit "echo Waiting for driver initialization."
            emit "stabilized /sys/bus/ieee1394/drivers/sbp2"
        fi
        if [ "$module" = "scsi_mod" ]; then
            scsi="yes"
        fi
        if [ "$module" = "zfcp" -a -f /etc/zfcp.conf ]; then
            emit "echo Waiting 2 seconds for driver initialization."
            emit "sleep 2"
            cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE TWO THREE FOUR FIVE; do
                if [ -z "$FIVE" ]; then
                    WWPN=$TWO
                    FCPLUN=$THREE
                else
                    WWPN=$THREE
                    FCPLUN=$FIVE
                fi
                cemit <<EOF 
echo -n $WWPN > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add
echo -n $FCPLUN > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/$WWPN/unit_add
echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online
EOF
            done
        fi
    done
    unset usb_mounted

    if [ -n "$scsi" ]; then
        emit "echo Waiting for driver initialization."
        emit "stabilized --hash --interval 1000 /proc/scsi/scsi"
    fi

    # HACK: module loading + device creation isn't necessarily synchronous...
    # this will make sure that we have all of our devices before trying
    # things like RAID or LVM
    emit "mkblkdevs"
}

while [ $# -gt 0 ]; do
    case $1 in
        --fstab*)
            if [ "$1" != "${1##--fstab=}" ]; then
                fstab=${1##--fstab=}
            else
                fstab=$2
                shift
            fi
            ;;

        --with-fips)
            withfips=1
            ;;

        --with-usb*)
            if [ "$1" != "${1##--with-usb=}" ]; then
                usbmodule=${1##--with-usb=}
            else
                usbmodule="usb-storage"
            fi
            basicmodules="$basicmodules $usbmodule"
            unset usbmodule
            ;;

        --without-usb)
            withusb=0
            ;;

        --without-multipath)
            withmpath=0
            ;;

        --without-dmraid)
            withdmraid=0
            ;;

        --with*)
            if [ "$1" != "${1##--with=}" ]; then
                modname=${1##--with=}
            else
                modname=$2
                shift
            fi

            basicmodules="$basicmodules $modname"
            ;;

        --builtin*)
            if [ "$1" != "${1##--builtin=}" ]; then
                modname=${1##--builtin=}
            else
                modname=$2
                shift
            fi
            builtins="$builtins $modname"
            ;;

        --version)
            echo "mkinitrd: version $VERSION"
            exit 0
            ;;

        -v)
            verbose=-v
            ;;

        --nocompress)
            compress=""
            ;;

        --ifneeded)
            # legacy
            ;;

        -f)
            force=1
            ;;
        --preload*)
            if [ "$1" != "${1##--preload=}" ]; then
                modname=${1##--preload=}
            else
                modname=$2
                shift
            fi
            PREMODS="$PREMODS $modname"
            ;;
        --force-scsi-probe)
            forcescsi=1
            ;;
        --omit-scsi-modules)
            PRESCSIMODS=""
            noscsi=1
            ;;
        --force-raid-probe)
            forceraid=1
            ;;
        --omit-raid-modules)
            noraid=1
            ;;
        --force-lvm-probe)
            forcelvm=1
            ;;
        --omit-lvm-modules)
            nolvm=1
            ;;
        --force-ide-probe)
            forceide=1
            ;;
        --image-version)
            img_vers=yes
            ;;
        --allow-missing)
            allowmissing=yes
            ;;
        --net-dev*)
            if [ "$1" != "${1##--net-dev=}" ]; then
                PREINTERFACES="$PREINTERFACES ${1##--net-dev=}"
            else
                PREINTERFACES="$PREINTERFACES $2"
                shift
            fi
            ;;
        --noresume)
            noresume=1
            ;;
	--rootdev*)
            if [ "$1" != "${1##--rootdev=}" ]; then
                rootdev="${1##--rootdev=}"
            else
                rootdev="$2"
                shift
            fi
	    ;;
	--rootfs*)
            if [ "$1" != "${1##--rootfs=}" ]; then
                rootfs="${1##--rootfs=}"
            else
                rootfs="$2"
                shift
            fi
	    ;;
	--rootopts*)
            if [ "$1" != "${1##--rootopts=}" ]; then
                rootopts="${1##--rootopts=}"
            else
                rootopts="$2"
                shift
            fi
	    ;;
	--loopdev*)
            if [ "$1" != "${1##--loopdev=}" ]; then
                loopdev="${1##--loopdev=}"
            else
                loopdev="$2"
                shift
            fi
	    ;;
	--loopfs*)
            if [ "$1" != "${1##--loopfs=}" ]; then
                loopfs="${1##--loopfs=}"
            else
                loopfs="$2"
                shift
            fi
	    ;;
	--loopopts*)
            if [ "$1" != "${1##--loopopts=}" ]; then
                loopopts="${1##--loopopts=}"
            else
                loopopts="$2"
                shift
            fi
	    ;;
	--looppath*)
            if [ "$1" != "${1##--looppath=}" ]; then
                looppath="${1##--looppath=}"
            else
                looppath="$2"
                shift
            fi
	    ;;
        --help)
            usage -n
            ;;
        *)
            if [ -z "$target" ]; then
                target=$1
            elif [ -z "$kernel" ]; then
                kernel=$1
            else
                usage
            fi
            ;;
    esac

    shift
done

if [ -z "$target" -o -z "$kernel" ]; then
    usage
fi

if [ -n "$img_vers" ]; then
    target="$target-$kernel"
fi

if [ -z "$force" -a -f $target ]; then
    error "$target already exists."
    exit 1
fi

if [ -n "$forcescsi" -a -n "$noscsi" ]; then
    error "Can't both force scsi probe and omit scsi modules"
    exit 1
fi

if [ -n "$forceraid" -a -n "$noraid" ]; then
    error "Can't both force raid probe and omit raid modules"
    exit 1
fi

if [ -n "$forcelvm" -a -n "$nolvm" ]; then
    error "Can't both force LVM probe and omit LVM modules"
    exit 1
fi

if [ ! -d /lib/modules/$kernel ]; then
    error 'No modules available for kernel "'${kernel}'".'
    exit 1
fi

if [ $UID != 0 ]; then
    error "mkinitrd must be run as root."
    exit 1
fi

vecho "Creating initramfs"
modulefile=/etc/modprobe.conf

# find a temporary directory which doesn't use tmpfs
if [ -z "$loopfs" ]; then
    TMPDIR="/tmp"
else
    TMPDIR=""
    for t in /tmp /var/tmp /root ${PWD}; do
        if [ ! -d $t ]; then continue; fi
        if ! access -w $t ; then continue; fi
    
        fs=$(df -T $t 2>/dev/null | awk '{line=$1;} END {printf $2;}')
        if [ "$fs" != "tmpfs" ]; then
            TMPDIR=$t
            break
        fi
    done
fi

if [ -z "$TMPDIR" ]; then
    error "no temporary directory could be found."
    exit 1
fi

if [ $TMPDIR = "/root" -o $TMPDIR = "${PWD}" ]; then
    error "WARNING: using $TMPDIR for temporary files"
fi

if [ "$withfips" -eq 1 ]; then
    if [ "$(uname -m)" == "ia64" ]; then
        BOOT=/boot/efi
        HMAC_PATH=/boot/efi/efi/redhat
    else
        BOOT=/boot
        HMAC_PATH=/boot
    fi
    bootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "'$BOOT'") { print $3; }}' $fstab)
    bootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "'$BOOT'") { print $1; }}' $fstab)

    if [ -z "$bootfs" ]; then
        error "ERROR: fips without a separate $BOOT partition is not supported!"
        exit 1
    fi

    # in case the boot filesystem is modular
    findmodule -${bootfs}

    if [[ "$bootdev" =~ ^(LABEL=|UUID=) ]]; then
        devname=$(resolve_device_name $bootdev)
    else
        devname=$bootdev
    fi
    devname=${devname##/dev/}

    # cciss is *very* special not only does its devicename contain a / which
    # must be translated to a ! in sysfs, doing the translation is not enough
    # as cciss' /sys/block entries lack a device symlink (great guys, really
    # great!) so just hardcode it
    if [[ "$devname" =~ "^cciss/" ]]; then
        findmodule cciss
    else
        findstoragedriver $devname
    fi

    BOOTMODULES="$MODULES"
    MODULES=""
    vecho "Using $BOOT modules: $BOOTMODULES"

    FIPSMODULES="aead aes_generic -aes-x86_64 ansi_cprng cbc ccm chainiv ctr"
    FIPSMODULES="$FIPSMODULES des deflate ecb eseqiv hmac seqiv sha256 sha512"
    FIPSMODULES="$FIPSMODULES cryptomgr crypto_null tcrypt"
    # To resolve deps (and in case of aes-x86_64 see if it exists)
    for n in $FIPSMODULES; do
        findmodule $n
    done
    FIPSMODULES="$MODULES"
    MODULES=""
    vecho "Forcibly loading cryptmodules: $FIPSMODULES"
fi

for n in $PREMODS; do
        findmodule $n
done

for n in $PREINTERFACES ; do
    findnetdriver $n
    MODULES="$MODULES network_device_$n"
    net_list="$net_list $n"
done

if [ "$withusb" -eq 1 ]; then
    findmodule ehci-hcd
    findmodule ohci-hcd
    findmodule uhci-hcd
fi

if [ "x$PROBE" == "xyes" ]; then
    [ -z "$rootfs" ] && rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' $fstab)
    [ -z "$rootopts" ] && rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' $fstab)
    [ -z "$rootopts" ] && rootopts="defaults"

    # in case the root filesystem is modular
    findmodule -${rootfs}

    [ -z "$rootdev" ] && rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' $fstab)
    # check if it's nfsroot
    if [ "$rootfs" == "nfs" -a "x$net_list" == "x" ]; then
        handlenfs $rootdev
    # check if it's root by label
    elif [ "$rootdev" != "${rootdev##LABEL=}" -o \
            "$rootdev" != "${rootdev##UUID=}" ]; then
        rootopts=$(echo $rootopts | sed -e 's/^r[ow],//'		\
                                        -e 's/,_netdev//'		\
                                        -e 's/_netdev//'		\
                                        -e 's/,_rnetdev//'		\
                                        -e 's/_rnetdev//'		\
                                        -e 's/,r[ow],$//'		\
                                        -e 's/,r[ow],/,/'		\
                                        -e 's/^r[ow]$/defaults/'	\
                                        -e 's/$/,ro/')
        devname=$(resolve_device_name $rootdev)
        majmin=$(get_numeric_dev dec $devname)
        if [[ "$devname" =~ ^/dev/mapper/ ]]; then
            vecho "Found root device $devname for $rootdev"
            rootdev=$devname
        elif [ -n "$majmin" ]; then
            dev=$(findall /sys/block -name dev | while read device ; do \
                  echo "$majmin" | cmp -s $device && echo $device ; done \
                  | sed -e 's,.*/\([^/]\+\)/dev,\1,' )
            if [ -n "$dev" ]; then
                vecho "Found root device $dev for $rootdev"
                rootdev=$dev
            fi
        fi
    else
        rootopts=$(echo $rootopts | sed -e 's/^r[ow],//'		\
                                        -e 's/,_netdev//'		\
                                        -e 's/_netdev//'		\
                                        -e 's/,_rnetdev//'		\
                                        -e 's/_rnetdev//'		\
                                        -e 's/,r[ow],$//'		\
                                        -e 's/,r[ow],/,/'		\
                                        -e 's/^r[ow]$/defaults/'	\
                                        -e 's/$/,ro/')
    fi
    [ "$rootfs" != "nfs" ] && handlelvordev $rootdev

    # find the first swap dev which would get used for swsusp
    swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; exit }}' $fstab)
    if [ -n "$swsuspdev" ]; then
        swsuspdevresolved=$swsuspdev
        if [[ "$swsuspdev" =~ ^(LABEL=|UUID=) ]]; then
            swsuspdevresolved=$(resolve_device_name $swsuspdev)
        fi
        handlelvordev $swsuspdevresolved
    fi
fi

if [ -n "$forcescsi" -o -z "$noscsi" -a "x$PROBE" == "xyes" ]; then
    if [ ! -f $modulefile ]; then
        modulefile=/etc/conf.modules
    fi

    if [ -f $modulefile ]; then
        scsimodules=`grep "alias[[:space:]]\+scsi_hostadapter" $modulefile | grep -v '^[ 	]*#' | LC_ALL=C sort -u | awk '{ print $3 }'`

        if [ -n "$scsimodules" ]; then
            for n in $scsimodules; do
    # for now allow scsi modules to come from anywhere.  There are some
    # RAID controllers with drivers in block/
                findmodule $n
            done
        fi
    fi
fi

# If we have ide devices and module ide, do the right thing
ide=/proc/ide/ide*
if [ -n "$forceide" -o -n "$ide" -a "x$PROBE" == "xyes" ]; then
    findmodule -ide-disk
fi

# If we have dasd devices, include the necessary modules (S/390)
if [ "x$PROBE" == "xyes" -a -d /proc/dasd ]; then
    findmodule -dasd_mod
    findmodule -dasd_eckd_mod
    findmodule -dasd_fba_mod
fi

# Loopback root support
# loopdev : device or nfs server:path file is on
# looppath : filename
# loopfs : filesystem of loopdev
# loopots : options to mount loopfs

if [ -n "${loopfs}" ] || [[ "$rootopts" =~ "loop" ]]; then
    	# FIXME: probe this somehow?
	
	rootdev=/dev/loop0
	
	[ -z "$rootopts" ] && rootopts="defaults"
	
	findmodule loop
	findmodule -${loopfs}
	
	if [ "$loopfs" == "nfs" -a "x$net_list" == "x" ]; then
	    handlenfs $loopdev
	fi
	# FIXME: label support
	
	[ "$loopfs" != "nfs" ] && handlelvordev $loopdev
fi

# If we use LVM or dm-based raid, include dm-mod
testdm=""
[ -n "$vg_list" ] && testdm="yes"
[ -n "$forceraid" -o -n "$forcelvm" ] && testdm="yes"
[ -z "$nolvm" -o -z "$noraid" ] && testdm="yes"
[ "x$PROBE" != "xyes" ] && testdm=""

MNTIMAGE=`mktemp -d ${TMPDIR}/initrd.XXXXXX`
IMAGE=`mktemp ${TMPDIR}/initrd.img.XXXXXX`
RCFILE=$MNTIMAGE/init

cemit()
{
    cat >> $RCFILE
}

emit()
{
    NONL=""
    if [ "$1" == "-n" ]; then
        NONL="-n"
        shift
    fi
    echo $NONL "$@" >> $RCFILE
}

use_multipath=0
use_emc=0
use_xdr=0
if [ -n "$testdm" -a -x /sbin/dmsetup -a -e /dev/mapper/control ]; then
    dmout=$(/sbin/dmsetup ls 2>/dev/null)

    if [ "$dmout" != "No devices found" -a "$dmout" != "" ]; then
        sysroot=$(find_dm_in_sysblock ${rootdev})
        rootdevs=""
        if [ "${withmpath}" -eq 1 -a -n "${sysroot}" ]; then
            for rd in ${sysroot} ; do 
                somedeps=""
                vg=`lvm.static lvs --ignorelockingfailure --noheadings -o vg_name $rootdev 2>/dev/null`
                if [ -n "$vg" ]; then
                    for pv in `lvm.static vgdisplay --ignorelockingfailure -v $vg 2>/dev/null | sed -n 's/PV Name//p'`; do
                        syspv=$(find_dm_in_sysblock ${pv})
                        thesedeps=$(find_mpath_deps ${syspv})
                        [ "$?" == "0" ] && use_emc=1
                        for dep in ${thesedeps}; do
                            [[ ${majmin} =~ ^9: ]] && continue
        	            [[ ${dep} =~ ^/dev/xvd.+ ]] && continue
                            case " ${somedeps} " in
                                *" ${dep} "*) continue ;;
                                *) somedeps="${somedeps} ${dep}" ;;
                            esac
                        done
                    done
                else
                    thesedeps=$(find_mpath_deps ${rd})
                    [ "$?" == "0" ] && use_emc=1
                    for dep in ${thesedeps}; do
	                [[ ${majmin} =~ ^9: ]] && continue
                        [[ ${dep} =~ ^/dev/xvd.+ ]] && continue
                        case " ${somedeps} " in
                            *" ${dep} "*) continue ;;
                            *) somedeps="${somedeps} ${dep}" ;;
                        esac
                    done
		fi
                [ -z "$somedeps" ] && continue
                for dep in ${somedeps} ; do
                    majmin=$(get_numeric_dev dec ${dep})
                    [[ ${majmin} =~ ^9: ]] && continue
                    [[ ${dep} =~ ^/dev/xvd.+ ]] && continue
                    case " ${rootdevs} " in
                        *" ${dep} "*) continue ;;
                        *) rootdevs="${rootdevs} ${dep}" ;;
                    esac
                done
            done
        fi
        if [ -z "$rootdevs" ]; then
            rootdevs="$rootdev"
        fi
        root_wwids=""
        if [ "${withmpath}" -eq "1" ]; then
            for rootpath in ${rootdevs} ; do
                disk=$(find_dm_in_sysblock ${rootpath} | sed -e 's,^/sys,,')
                wwid=$(/sbin/scsi_id -g -u -s ${disk})
                if [ -z "${wwid}" ]; then
                    # Could be EMC unit requiring special option
                    wwid=$(/sbin/scsi_id -g -ppre-spc3-83 -u -s ${disk})
                fi
                if [ -n "${wwid}" ]; then
                    case " ${root_wwids} " in
                        *" ${wwid} "*) continue ;;
                        *) root_wwids="${root_wwids} ${wwid}" ;;
                    esac
                fi
            done
            if [ -n "$root_wwids" ]; then
                use_multipath=1
            fi
        fi

        find_base_dm_mods
    
        # If we use dm-multipath devices, include the needed modules
        if [ "$use_multipath" == "1" ]; then
            find_scsi_dh_modules
            findmodule -dm-multipath
            findmodule -dm-round-robin
            if [ "$use_emc" == "1" ]; then
                findmodule -dm-emc
            fi
        fi
    fi
    # could be using xDR multipath on s390
    if [ "${ARCH}" = "s390" ]; then
        if [ -x /sbin/xdrgetuid ]; then
	    dasdlist="$(cd /dev ; /bin/ls -1 dasd?)"
            if [ ! -z "${dasdlist}" ]; then
                for dasddev in ${dasdlist} ; do
                    if [ ! -z "$(/sbin/xdrgetuid -p ${dasddev} | grep "^xdr")" ]; then
                        use_multipath=1
                        use_xdr=1
                        break
                    fi
                done
            fi
        fi
    find_base_dm_mods
    findmodule multipath
    findmodule dm-multipath
    findmodule -dm-round-robin
    fi
fi

if [ "$withdmraid" == "1" ]; then
    findmodule -dm-mem-cache
    findmodule -dm-region_hash
    findmodule -dm-message
    findmodule -dm-raid45
fi

for n in $basicmodules; do
    findmodule $n
done

for n in $CONFMODS; do
    findmodule $n
done

vecho "Using modules: $MODULES"


if [ -z "$MNTIMAGE" -o -z "$IMAGE" ]; then
    error "Error creating temporaries.  Try again"
    exit 1
fi

mkdir -p $MNTIMAGE
mkdir -p $MNTIMAGE/lib/firmware
mkdir -p $MNTIMAGE/bin
mkdir -p $MNTIMAGE/etc
mkdir -p $MNTIMAGE/dev
mkdir -p $MNTIMAGE/proc
mkdir -p $MNTIMAGE/sys
mkdir -p $MNTIMAGE/sysroot
ln -s bin $MNTIMAGE/sbin

if [ -e /etc/fstab.sys ]; then
    inst /etc/fstab.sys "$MNTIMAGE/etc/fstab.sys"
fi
inst /sbin/nash "$MNTIMAGE/bin/nash"
inst /sbin/insmod.static "$MNTIMAGE/bin/insmod"
ln -s /sbin/nash $MNTIMAGE/sbin/modprobe

for MODULE in $BOOTMODULES $FIPSMODULES $MODULES; do
    if [[ "$MODULE" =~ "^iscsi_device_" ]]; then
        continue
    fi
    if [[ "$MODULE" =~ "^network_device_" ]] ; then
        continue
    fi
    if [ -x /usr/bin/strip ]; then
        /usr/bin/strip -g $verbose $MODULE -o $MNTIMAGE/lib/$(basename $MODULE)
    else
        cp $verbose -a $MODULE $MNTIMAGE/lib
    fi
    for fw in $(/sbin/modinfo -F firmware $MODULE 2>/dev/null); do
        if [ -f /lib/firmware/$fw ]; then
            cp $verbose -a /lib/firmware/$fw $MNTIMAGE/lib/firmware/
        fi
    done
done

# mknod'ing the devices instead of copying them works both with and
# without devfs...
mkdir $MNTIMAGE/dev/mapper

mknod $MNTIMAGE/dev/ram0 b 1 0
mknod $MNTIMAGE/dev/ram1 b 1 1
ln -sf ram1 $MNTIMAGE/dev/ram

mknod $MNTIMAGE/dev/null c 1 3
mknod $MNTIMAGE/dev/zero c 1 5
mknod $MNTIMAGE/dev/systty c 4 0
if ! echo "$(uname -m)" | grep -q "s390"; then 
  for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 ; do
    mknod $MNTIMAGE/dev/tty$i c 4 $i
  done
fi
for i in 0 1 2 3 ; do
    mknod $MNTIMAGE/dev/ttyS$i c 4 $(($i + 64))
done
mknod $MNTIMAGE/dev/tty c 5 0
mknod $MNTIMAGE/dev/console c 5 1
mknod $MNTIMAGE/dev/ptmx c 5 2
mknod $MNTIMAGE/dev/rtc c 10 135
if [ "$(uname -m)" == "ia64" ]; then
    mknod $MNTIMAGE/dev/efirtc c 10 136
fi

# FIXME -- this can really go poorly with clvm or duplicate vg names.
# nash should do lvm probing for us and write its own configs.
if [ -n "$vg_list" ]; then
    inst /sbin/lvm.static "$MNTIMAGE/bin/lvm"
    if [ -f /etc/lvm/lvm.conf ]; then
        mkdir -p $MNTIMAGE/etc/lvm
        /sbin/lvm.static dumpconfig > $MNTIMAGE/etc/lvm/lvm.conf
    fi
fi

if [ "$use_multipath" == "1" ]; then
    # For multipath command
    inst /sbin/multipath.static $MNTIMAGE/bin/multipath
    if [ -f /etc/multipath.conf ]; then
        inst /etc/multipath.conf $MNTIMAGE/etc/multipath.conf
    fi
    if [ -f /var/lib/multipath/bindings ]; then
        inst /var/lib/multipath/bindings $MNTIMAGE/var/lib/multipath/bindings
    fi
    inst /sbin/scsi_id $MNTIMAGE/bin/scsi_id
    inst /etc/scsi_id.config $MNTIMAGE/etc/scsi_id.config
    # This includes all mpath_prio checkers in the image (~2.5M)
    # Alternately we can only include those that are used by the
    # current mpath config. This would require users to rebuild 
    # the initrd if migrating/adding controllers from different
    # storage vendors
    for M in /sbin/mpath_prio_*.static ; do
        inst ${M} $MNTIMAGE/${M%%.static};
    done
    mkdir -p $MNTIMAGE/tmp

    # For kpartx command which creates device maps for disk partitions
    # and creates device files
    inst /sbin/dmsetup.static $MNTIMAGE/bin/dmsetup
    inst /sbin/kpartx.static $MNTIMAGE/bin/kpartx
fi

if [ "$use_xdr" == "1" ]; then
    inst /sbin/xdrgetuid $MNTIMAGE/bin/xdrgetuid
    inst /sbin/xdrgetprio $MNTIMAGE/bin/xdrgetprio
    if [ -f /etc/xdrdevices.conf ]; then
        inst /etc/xdrdevices.conf $MNTIMAGE/etc/xdrdevices.conf
    fi
    # ugly hack for starters because the xdr-tools are not static
    inst /lib64/libc.so.6 $MNTIMAGE/lib64/libc.so.6
    inst /lib/ld64.so.1 $MNTIMAGE/lib/ld64.so.1
fi

if [ "$withdmraid" == "1" ]; then
    # Only dmraid is needed to set up dmraid volume
    inst /sbin/dmraid.static "$MNTIMAGE/bin/dmraid"
    inst /sbin/kpartx.static "$MNTIMAGE/bin/kpartx"
fi

findkeymap () {
    local MAP=$1

    if [ ! -f "$MAP" ]; then
        MAP=$(find /lib/kbd/keymaps -type f -name $MAP -o -name $MAP.\* | head -n1)
    fi

    case " $KEYMAPS " in
        *" $MAP "*)
            return
    esac

    KEYMAPS="$KEYMAPS $MAP"

    case $MAP in
        *.gz)
            cmd=zgrep
            ;;
        *.bz2)
            cmd=bzgrep
            ;;
        *)
            cmd=grep
            ;;
    esac

    for INCL in $($cmd "^include " $MAP | cut -d' ' -f2 | tr -d '"'); do
        for FN in $(find /lib/kbd/keymaps -type f -name $INCL\*); do
            findkeymap $FN
        done
    done
}

if [ $ncryptodevs -ne 0 ]; then
    inst /sbin/cryptsetup "$MNTIMAGE/sbin/cryptsetup"

    KEYTABLE=
    KEYMAP=
    LOADKEYS=
    if [ -f /etc/sysconfig/console/default.kmap ]; then
        KEYMAP=/etc/sysconfig/console/default.kmap
    else
        if [ -f /etc/sysconfig/keyboard ]; then
            . /etc/sysconfig/keyboard
        fi
        if [ -n "$KEYTABLE" -a -d "/lib/kbd/keymaps" ]; then
            KEYMAP="$KEYTABLE.map"
        fi
    fi

    if [ -n "$KEYMAP" -a -x /bin/loadkeys.static ]; then
        LOADKEYS=loadkeys
        if [ -f /etc/sysconfig/i18n ]; then
            . /etc/sysconfig/i18n
        fi
        if [ "${LANG}" != "${LANG%%.UTF-8}" -o "${LANG}" != "${LANG%%.utf8}" ]; then
            LOADKEYS="loadkeys -u"
        fi

        inst /bin/loadkeys.static "$MNTIMAGE/bin/loadkeys"
        findkeymap $KEYMAP

        for FN in $KEYMAPS; do
            inst $FN "$MNTIMAGE$FN"
            case "$FN" in
                *.gz)
                    gzip -d "$MNTIMAGE$FN"
                    ;;
                *.bz2)
                    bzip2 -d "$MNTIMAGE$FN"
                    ;;
            esac
        done
    else
        vecho "Not including any keymaps"
    fi
fi

if [ "$withfips" -eq 1 ]; then
    set -e
    inst /usr/bin/sha512hmac $MNTIMAGE/bin/sha512hmac
    # sha512mac is dynamically linked and uses dlopen-ed .so files,
    # this must be this way for libnss fips cert.
    libs=$(ldd /usr/bin/sha512hmac | cut -d ' ' -f 3)
    ld_linux=$(ldd /usr/bin/sha512hmac | cut -d ' ' -f 1 | grep /lib)
    if echo "$libs" | grep -q lib64; then
        libdir="lib64"
    else
        libdir="lib"
    fi
    libs="$libs $ld_linux"
    libs="$libs /usr/$libdir/libsoftokn3.so /usr/$libdir/libsoftokn3.chk"
    libs="$libs /usr/$libdir/libfreebl3.so /usr/$libdir/libfreebl3.chk"

    for lib in $libs; do
        basename=$(basename $lib)
        while [ -L $lib ]; do
            lib=$(readlink $lib)
        done
        inst $lib $MNTIMAGE/$libdir/$basename
    done

    inst /usr/$libdir/hmaccalc/sha512hmac.hmac $MNTIMAGE/usr/$libdir/hmaccalc/sha512hmac.hmac

    # rmmod to rmmod tcrypt when we're done with it. Note rmmod is also
    # dynmically linked, but sha512hmac already brings in all needed libs
    inst /sbin/rmmod $MNTIMAGE/bin/rmmod

    set +e
fi

echo -n >| $RCFILE
cemit << EOF
#!/bin/nash

mount -t proc /proc /proc
setquiet
echo Mounting proc filesystem
echo Mounting sysfs filesystem
mount -t sysfs /sys /sys
echo Creating /dev
mount -o mode=0755 -t tmpfs /dev /dev
mkdir /dev/pts
mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
mkdir /dev/shm
mkdir /dev/mapper
echo Creating initial device nodes
mknod /dev/null c 1 3
mknod /dev/zero c 1 5
mknod /dev/urandom c 1 9
mknod /dev/systty c 4 0
mknod /dev/tty c 5 0
mknod /dev/console c 5 1
mknod /dev/ptmx c 5 2
mknod /dev/rtc c 10 135
EOF
if [ "$(uname -m)" == "ia64" ]; then
    emit "mknod /dev/efirtc c 10 136"
fi

# XXX really we need to openvt too, in case someting changes the
# color palette and then changes vts on fbcon before gettys start.
# (yay, fbcon bugs!)
if ! echo "$(uname -m)" | grep -q "s390"; then 
    for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 ; do
        emit "mknod /dev/tty$i c 4 $i"
    done
fi

for i in 0 1 2 3 ; do
    emit "mknod /dev/ttyS$i c 4 $(($i + 64))"
done

emit "echo Setting up hotplug."
emit "hotplug"

emit "echo Creating block device nodes."
emit "mkblkdevs"

if [ "$withfips" -eq 1 ]; then
    emit_modules $BOOTMODULES
    emit "echo Mounting $BOOT and integrity checking the kernel"
    emit "mkdir /boot"
    if [ "$(uname -m)" == "ia64" ]; then
        emit "mkdir /boot/efi"
    fi
    emit "mount -t $bootfs -o ro $bootdev $BOOT"
    emit "sha512hmac -c $HMAC_PATH/.vmlinuz-$kernel.hmac"
    emit "cond -ne 0 nash-exit 1"
    emit "umount $BOOT"

    # We need to load all crypt modules here, as they *all* need to
    # have their signature checked before *any* of them may be used
    # Also we need to stop booting if any of them fails to load.
    emit "echo Loading and integrity checking all crypto modules"
    for module in $FIPSMODULES; do
        if [ "${module##*/}" != "tcrypt.ko" ]; then
            emit "insmod /lib/${module##*/}"
            emit "cond -ne 0 nash-exit 1"
        fi
    done
    emit "echo Self testing crypto algorithms"
    emit "insmod /lib/tcrypt.ko noexit=1"
    emit "cond -ne 0 nash-exit 1"
    emit "rmmod tcrypt"
    emit "echo All initrd crypto checks done"
fi

emit_modules $MODULES

#if [ -n "$vg_list" ]; then
#    emit "echo Making device-mapper control node"
#    emit "mkdmnod"
#fi

if [ "$use_multipath" == "1" ]; then
    emit "echo Creating multipath devices"
    emit "/bin/multipath -v 0"
    if [ "$use_xdr" == "1" ]; then
        emit "echo Setting up XDR dm device"
        emit "/bin/multipath -v 0"
    fi
    emit "dmsetup ls --target multipath --exec 'kpartx -a -p p'"
fi

if [ "$withdmraid" == "1" ]; then
    emit "echo Scanning and configuring dmraid supported devices"
    for x in $(/sbin/dmraid.static -s -cr -i 2>/dev/null | \
               egrep -iv "^no ") ; do
        dmname=$(resolve_dm_name $x)
        [ -z "$dmname" ] && continue
        emit "dmraid -ay -i -p --rm_partitions \"$dmname\""
        emit "kpartx -a -p p \"/dev/mapper/$dmname\""
    done
fi

emitcrypto()
{
    emit "echo Setting up disk encryption: $1"
    emit "cryptsetup luksOpen $1 $2"
}

if [ -n "$KEYMAP" -a -n "$LOADKEYS" ]; then
    emit "echo Loading keymap."
    emit "$LOADKEYS $KEYMAP"
fi

for cryptdev in ${!cryptopart@} ; do
    emitcrypto `eval echo '$'$cryptdev`
done

if [ -n "$raiddevices" ]; then
    for dev in $raiddevices; do
        cp -a /dev/${dev} $MNTIMAGE/dev
        emit "raidautorun /dev/${dev}"
    done
fi

for cryptdev in ${!cryptoraid@} ; do
    emitcrypto `eval echo '$'$cryptdev`
done

if [ -n "$vg_list" ]; then
    emit "echo Scanning logical volumes"
    emit "lvm vgscan --ignorelockingfailure"
    emit "echo Activating logical volumes"
    emit "lvm vgchange -ay --ignorelockingfailure $vg_list"
fi

for cryptdev in ${!cryptolv@} ; do
    emitcrypto `eval echo '$'$cryptdev`
done

if [ -z "$noresume" -a -n "$swsuspdev" ]; then
    emit "resume $swsuspdev"
fi

if [ -n "$loopfs" ]; then
    emit "echo Mounting loop backing store."
    emit "mkdir /tmpmount"
    emit "mount -t $loopfs -o ${loopopts:-defaults} $loopdev /tmpmount"
    emit "echo Creating loop device."
    emit "losetup /dev/loop0 /tmpmount/$looppath"
fi

emit "echo Creating root device."
# mkrootdev does "echo /dev/root /sysroot ext3 defaults,ro 0 0 >/etc/fstab"
emit "mkrootdev -t $rootfs -o $rootopts $rootdev"
rootdev=/dev/root

emit "echo Mounting root filesystem."
emit "mount /sysroot"

if [ -n "$loopfs" ]; then
     emit "Cleaning up loop mount."
     emit "umount /tmpmount"
fi

emit "echo Setting up other filesystems."
emit "setuproot"

for dev in $DHCPDEVS ; do
    emit "echo Copying DHCP lease for $dev"
    emit "cp /var/lib/dhclient/dhclient-$dev.leases /sysroot/dev/.dhclient-$dev.leases"
done

emit "echo Switching to new root and running init."
emit "switchroot"

chmod +x $RCFILE

(cd $MNTIMAGE; findall . | cpio --quiet -c -o) >| $IMAGE || exit 1

if [ -n "$compress" ]; then
    gzip -9 < $IMAGE >| $target || rc=1
else
    cp -a $IMAGE $target || rc=1
fi
rm -rf $MNTIMAGE $IMAGE
if [ -n "$MNTPOINT" ]; then rm -rf $MNTPOINT ; fi

exit $rc

# vim:ts=8:sw=4:sts=4:et