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gebi1-redpill
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rploader 0.7.0.6.sh

#!/bin/bash
#
# Author :
# Date : 220425
# Version : 0.7.0.6
#
#
# User Variables :

rploaderver="0.7.0.6"
rploaderfile="https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/rploader.sh"
rploaderrepo="https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/"

redpillextension="https://gitee.com/gebi1/pocopico-rp-ext/raw/main/redpill/rpext-index.json"
modextention="https://gitee.com/gebi1/pocopico-rp-ext/raw/main/rpext-index.json"
modalias4="https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/modules.alias.4.json.gz"
modalias3="https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/modules.alias.3.json.gz"
dtcbin="https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/dtc"
dtsfiles="https://gitee.com/gebi1/pocopico-tinycore-redpill/main"

fullupdatefiles="custom_config.json global_config.json modules.alias.3.json.gz modules.alias.4.json.gz rpext-index.json user_config.json dtc rploader.sh ds1621p.dts ds920p.dts"

# END Do not modify after this line
######################################################################################################

function savesession() {

    lastsessiondir="/mnt/${tcrppart}/lastsession"

    echo -n "Saving user session for future use. "

    [ ! -d ${lastsessiondir} ] && sudo mkdir ${lastsessiondir}

    echo -n "Saving current extensions "

    cat /home/tc/redpill-load/custom/extensions/*/*json | jq '.url' >${lastsessiondir}/extensions.list

    [ -f ${lastsessiondir}/extensions.list ] && echo " -> OK !"

    echo -n "Saving current user_config.json "

    cp /home/tc/user_config.json ${lastsessiondir}/user_config.json

    [ -f ${lastsessiondir}/user_config.json ] && echo " -> OK !"

}

function restoresession() {

    lastsessiondir="/mnt/${tcrppart}/lastsession"

    if [ -d $lastsessiondir ]; then

        echo -n "Found last user session :  , restore session ? [yY/nN] : "
        read answer

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

            if [ -d $lastsessiondir ] && [ -f ${lastsessiondir}/extensions.list ]; then
                for extension in $(cat ${lastsessiondir}/extensions.list); do
                    echo "Adding extension ${extension} "
                    cd /home/tc/redpill-load/ && ./ext-manager.sh add "$(echo $extension | sed -s 's/"//g' | sed -s 's/,//g')"
                done
            fi
            if [ -d $lastsessiondir ] && [ -f ${lastsessiondir}/user_config.json ]; then
                echo "Copying last user_config.json"
                cp ${lastsessiondir}/user_config.json /home/tc
            fi

        fi
    else
        echo "OK, we will not restore last session"
    fi
}

function downloadextractor() {
    loaderdisk="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)"
    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    local_cache="/mnt/${tcrppart}/auxfiles"
    temp_folder="/tmp/synoesp"

    if [ -d ${local_cache/extractor /} ] && [ -f ${local_cache}/extractor/scemd ]; then

        echo "Found extractor locally cached"

        echo "Copying required libraries to local lib directory"
        sudo cp /mnt/${tcrppart}/auxfiles/extractor/lib* /lib/
        echo "Linking lib to lib64"
        [ ! -h /lib64 ] && sudo ln -s /lib /lib64
        echo "Copying executable"
        sudo cp /mnt/${tcrppart}/auxfiles/extractor/scemd /bin/syno_extract_system_patch

        echo "Removing temp folder /tmp/synoesp"
        rm -rf $temp_folder

        echo "Checking if tool is accessible"
        /bin/syno_extract_system_patch 2>&1 >/dev/null
        if [ $? -eq 255 ]; then echo "Executed succesfully"; else echo "Cound not execute"; fi

    else

        echo "Getting required extraction tool"
        echo "------------------------------------------------------------------"
        echo "Checking tinycore cache folder"

        [ -d $local_cache ] && echo "Found tinycore cache folder, linking to home/tc/custom-module" && [ ! -h /home/tc/custom-module ] && sudo ln -s $local_cache /home/tc/custom-module

        echo "Creating temp folder /tmp/synoesp"

        mkdir ${temp_folder}

        if [ -d /home/tc/custom-module ] && [ -f /home/tc/custom-module/*42218*.pat ]; then

            patfile=$(ls /home/tc/custom-module/*42218*.pat | head -1)
            echo "Found custom pat file ${patfile}"
            echo "Processing old pat file to extract required files for extraction"
            tar -C${temp_folder} -xf /${patfile} rd.gz
        else
            curl --location https://global.download.synology.com/download/DSM/release/7.0.1/42218/DSM_DS3622xs%2B_42218.pat --output /home/tc/oldpat.tar.gz
            [ -f /home/tc/oldpat.tar.gz ] && tar -C${temp_folder} -xf /home/tc/oldpat.tar.gz rd.gz
        fi

        echo "Entering synoesp"
        cd ${temp_folder}

        xz -dc <rd.gz >rd 2>/dev/null || echo "extract rd.gz"
        echo "finish"
        cpio -idm <rd 2>&1 || echo "extract rd"
        mkdir extract

        mkdir /mnt/${tcrppart}/auxfiles && cd /mnt/${tcrppart}/auxfiles

        echo "Copying required files to local cache folder for future use"

        mkdir /mnt/${tcrppart}/auxfiles/extractor

        for file in usr/lib/libcurl.so.4 usr/lib/libmbedcrypto.so.5 usr/lib/libmbedtls.so.13 usr/lib/libmbedx509.so.1 usr/lib/libmsgpackc.so.2 usr/lib/libsodium.so usr/lib/libsynocodesign-ng-virtual-junior-wins.so.7 usr/syno/bin/scemd; do
            echo "Copying $file to /mnt/${tcrppart}/auxfiles"
            cp $file /mnt/${tcrppart}/auxfiles/extractor
        done

        echo "Copying required libraries to local lib directory"
        sudo cp /mnt/${tcrppart}/auxfiles/extractor/lib* /lib/
        echo "Linking lib to lib64"
        [ ! -h /lib64 ] && sudo ln -s /lib /lib64
        echo "Copying executable"
        sudo cp /mnt/${tcrppart}/auxfiles/extractor/scemd /bin/syno_extract_system_patch

        echo "Removing temp folder /tmp/synoesp"
        rm -rf $temp_folder

        echo "Checking if tools is accessible"
        /bin/syno_extract_system_patch
        if [ $? -eq 255 ]; then echo "Executed succesfully"; else echo "Cound not execute"; fi

    fi

}

function processpat() {

    loaderdisk="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)"
    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    local_cache="/mnt/${tcrppart}/auxfiles"
    temp_pat_folder="/tmp/pat"

    if [ "${TARGET_PLATFORM}" = "apollolake" ]; then
        SYNOMODEL="ds918p_$TARGET_REVISION" && MODEL="DS918+"
    elif [ "${TARGET_PLATFORM}" = "bromolow" ]; then
        SYNOMODEL="ds3615xs_$TARGET_REVISION" && MODEL="DS3615xs"
    elif [ "${TARGET_PLATFORM}" = "broadwell" ]; then
        SYNOMODEL="ds3617xs_$TARGET_REVISION" && MODEL="DS3617xs"
    elif [ "${TARGET_PLATFORM}" = "broadwellnk" ]; then
        SYNOMODEL="ds3622xsp_$TARGET_REVISION" && MODEL="DS3622xs+"
    elif [ "${TARGET_PLATFORM}" = "v1000" ]; then
        SYNOMODEL="ds1621p_$TARGET_REVISION" && MODEL="DS1621+"
    elif [ "${TARGET_PLATFORM}" = "denverton" ]; then
        SYNOMODEL="dva3221_$TARGET_REVISION" && MODEL="DVA3221"
    elif [ "${TARGET_PLATFORM}" = "geminilake" ]; then
        SYNOMODEL="ds920p_$TARGET_REVISION" && MODEL="DS920+"
    fi

    if [ ! -d "${temp_pat_folder}" ]; then
        echo "Creating temp folder ${temp_pat_folder} "
        mkdir ${temp_pat_folder} && cd ${temp_pat_folder}
    fi

    echo "Checking for cached pat file"
    [ -d $local_cache ] && echo "Found tinycore cache folder, linking to home/tc/custom-module" && [ ! -h /home/tc/custom-module ] && sudo ln -s $local_cache /home/tc/custom-module

    if [ -d ${local_cache} ] && [ -f ${local_cache}/*${SYNOMODEL}*.pat ] || [ -f ${local_cache}/*${MODEL}*${TARGET_REVISION}*.pat ]; then

        [ -f /home/tc/custom-module/*${SYNOMODEL}*.pat ] && patfile=$(ls /home/tc/custom-module/*${SYNOMODEL}*.pat | head -1)
        [ -f ${local_cache}/*${MODEL}*${TARGET_REVISION}*.pat ] && patfile=$(ls /home/tc/custom-module/*${MODEL}*${TARGET_REVISION}*.pat | head -1)

        echo "Found locally cached pat file ${patfile}"

        testarchive "${patfile}"
        if [ ${isencrypted} = "no" ]; then
            echo "File ${patfile} is already unencrypted"
            echo "Copying file to /home/tc/redpill-load/cache folder"
            cp ${patfile} /home/tc/redpill-load/cache/
        elif [ ${isencrypted} = "yes" ]; then
            [ -f /home/tc/redpill-load/cache/${SYNOMODEL}.pat ] && testarchive /home/tc/redpill-load/cache/${SYNOMODEL}.pat
            if [ -f /home/tc/redpill-load/cache/${SYNOMODEL}.pat ] && [ ${isencrypted} = "no" ]; then
                echo "Unecrypted file is already cached in :  /home/tc/redpill-load/cache/${SYNOMODEL}.pat"
                patfile="/home/tc/redpill-load/cache/${SYNOMODEL}.pat"
            else
                echo "Extracting encrypted pat file : ${patfile} to ${temp_pat_folder}"
                sudo /bin/syno_extract_system_patch ${patfile} ${temp_pat_folder} || echo "extract latest pat"
                echo "Creating unecrypted pat file ${SYNOMODEL}.pat to /home/tc/redpill-load/cache folder "
                mkdir -p /home/tc/redpill-load/cache/
                cd ${temp_pat_folder} && tar -czf /home/tc/redpill-load/cache/${SYNOMODEL}.pat ./
                patfile="/home/tc/redpill-load/cache/${SYNOMODEL}.pat"

            fi

        else

            echo "Something went wrong, please check cache files"
            exit 99
        fi

        tar xvf /home/tc/redpill-load/cache/${SYNOMODEL}.pat ./VERSION && . ./VERSION && rm ./VERSION
        os_sha256=$(sha256sum ${patfile} | awk '{print $1}')
        echo "Pat file  sha256sum is : $os_sha256"

        echo -n "Checking config file existence -> "
        if [ -f "/home/tc/redpill-load/config/$MODEL/${major}.${minor}.${micro}-${buildnumber}/config.json" ]; then
            echo "OK"
            configfile="/home/tc/redpill-load/config/$MODEL/${major}.${minor}.${micro}-${buildnumber}/config.json"
        else
            echo "No config file found, please use the proper repo, clean and download again"
            exit 99
        fi

        echo -n "Editing config file -> "
        sed -i "/\"os\": {/!b;n;n;n;c\"sha256\": \"$os_sha256\"" ${configfile}
        echo -n "Verifying config file -> "
        verifyid="$(cat ${configfile} | jq -r -e '.os .sha256')"

        if [ "$os_sha256" == "$verifyid" ]; then
            echo "OK ! "
        else
            echo "config file, os sha256 verify FAILED, check ${configfile} "
            exit 99
        fi

        echo "Clearing temp folders"
        sudo rm -rf ${temp_pat_folder}

        return

    else

        echo "Could not find pat file locally cached"
        configdir="/home/tc/redpill-load/config/${MODEL}/${TARGET_VERSION}-${TARGET_REVISION}"
        configfile="${configdir}/config.json"
        pat_url=$(cat ${configfile} | jq '.os .pat_url' | sed -s 's/"//g')
        echo -e "Configdir : $configdir \nConfigfile: $configfile \nPat URL : $pat_url"
        echo "Downloading pat file from URL : ${pat_url} "

        if [ $(df -h /${local_cache} | grep mnt | awk '{print $4}' | cut -c 1-3) -le 370 ]; then
            echo "No adequate space on ${local_cache} to download file into cache folder, clean up the space and restart"
            exit 99
        fi

        [ -n $pat_url ] && curl --location ${pat_url} -o "/${local_cache}/${SYNOMODEL}.pat"
        patfile="/${local_cache}/${SYNOMODEL}.pat"
        if [ -f ${patfile} ]; then
            testarchive ${patfile}
        else
            echo "Failed to download PAT file $patfile from ${pat_url} "
            exit 99
        fi

        if [ "${isencrypted}" = "yes" ]; then
            echo "File ${patfile}, has been cached but its encrypted, re-running decrypting process"
            processpat
        else
            return
        fi

    fi

}

function testarchive() {

    archive="$1"
    archiveheader="$(od -bc ${archive} | head -1 | awk '{print $3}')"

    case ${archiveheader} in
    105)
        echo "${archive}, is a Tar file"
        isencrypted="no"
        return 0
        ;;
    255)
        echo "File ${archive}, is  encrypted"
        isencrypted="yes"
        return 1
        ;;
    213)
        echo "File ${archive}, is a compressed tar"
        isencrypted="no"
        ;;
    *)
        echo "Could not determine if file ${archive} is encrypted or not, maybe corrupted"
        ls -ltr ${archive}
        echo ${archiveheader}
        exit 99
        ;;
    esac

}

function addrequiredexts() {

    echo "Processing add_extensions entries found on custom_config.json file : ${EXTENSIONS}"

    for extension in ${EXTENSIONS_SOURCE_URL}; do
        echo "Adding extension ${extension} "
        cd /home/tc/redpill-load/ && ./ext-manager.sh add "$(echo $extension | sed -s 's/"//g' | sed -s 's/,//g')"
    done
    for extension in ${EXTENSIONS}; do
        echo "Updating extension : ${extension} contents for model : ${SYNOMODEL}  "
        cd /home/tc/redpill-load/ && ./ext-manager.sh _update_platform_exts ${SYNOMODEL} ${extension}
    done

    if [ ${TARGET_PLATFORM} = "geminilake" ] || [ ${TARGET_PLATFORM} = "v1000" ]; then
        patchdtc
    fi

}

function installapache() {

    echo "Installing apache2 and php module"

    tce-load -iw apache2.4.tcz
    tce-load -iw apache2.4-doc.tcz
    tce-load -iw php-8.0-mod.tcz
    tce-load -iw libnghttp2.tcz
    #cd /usr/local/
    #sudo tar xvf /home/tc/tcrphtml/tc.apache.tar.gz etc/httpd/
    #apachectl start

}

function postupdate() {

    echo "Mounting root to get the latest dsmroot patch in /.syno/patch "

    if [ ! -f /home/tc/redpill-load/user_config.json ]; then
        [ ! -h /home/tc/redpill-load/user_config.json ] && ln -s /home/tc/user_config.json /home/tc/redpill-load/user_config.json
    fi

    if [ $(mount | grep -i dsmroot | wc -l) -le 0 ]; then
        mountdsmroot
        [ $(mount | grep -i dsmroot | wc -l) -le 0 ] && echo "Failed to mount DSM root, cannot continue the postupdate process, returning" && return
    else
        echo "Already mounted"
    fi

    echo "Clearing last created loader "
    rm -f redpill-load/loader.img

    if [ ! -d "/lib64" ]; then
        echo "/lib64 does not exist, bringing linking /lib"
        [ ! -h /lib64 ] && ln -s /lib /lib64
    fi

    if [ ! -n "$(which bspatch)" ]; then

        echo "bspatch does not exist, bringing over from repo"

        curl --location "https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/bspatch" -O

        chmod 777 bspatch
        sudo mv bspatch /usr/local/bin/

    fi

    echo "Checking available patch"

    if [ -d "/mnt/dsmroot/.syno/patch/" ]; then
        cd /mnt/dsmroot/.syno/patch/
        . ./VERSION
        . ./GRUB_VER
    else
        echo "Patch directory not found, please remember that you have to run update usign DSM manual upgrade first"
        echo "Postupdate is not possible, returning"
        return
    fi

    echo "Found Platform : ${PLATFORM}  Model : $MODEL Version : ${major}.${minor}.${micro}-${buildnumber} "

    echo -n "Do you want to use this for the loader ? [yY/nN] : "
    read answer

    if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
        patfile="$(echo ${MODEL}_${buildnumber} | sed -e 's/\+/p/' | tr '[:upper:]' '[:lower:]').pat"
        echo "Creating pat file ${patfile} using contents of : $(pwd) "
        [ ! -d "/home/tc/redpill-load/cache" ] && mkdir /home/tc/redpill-load/cache/
        tar cfz /home/tc/redpill-load/cache/${patfile} *
        os_sha256=$(sha256sum /home/tc/redpill-load/cache/${patfile} | awk '{print $1}')
        echo "Created pat file with sha256sum : $os_sha256"
        cd /home/tc
    else
        echo "OK, see you later"
        return
    fi

    echo -n "Checking config file existence -> "
    if [ -f "/home/tc/redpill-load/config/$MODEL/${major}.${minor}.${micro}-${buildnumber}/config.json" ]; then
        echo "OK"
        configfile="/home/tc/redpill-load/config/$MODEL/${major}.${minor}.${micro}-${buildnumber}/config.json"
    else
        echo "No config file found, please use the proper repo, clean and download again"
        exit 99
    fi

    echo -n "Editing config file -> "
    sed -i "/\"os\": {/!b;n;n;n;c\"sha256\": \"$os_sha256\"" ${configfile}
    echo -n "Verifying config file -> "
    verifyid="$(cat ${configfile} | jq -r -e '.os .sha256')"

    if [ "$os_sha256" == "$verifyid" ]; then
        echo "OK ! "
    else
        echo "config file, os sha256 verify FAILED, check ${configfile} "
        exit 99
    fi

    removebundledexts

    cd /home/tc/redpill-load/

    addrequiredexts

    echo "Creating loader ${MODEL} ${major}.${minor}.${micro}-${buildnumber} ... "

    sudo ./build-loader.sh ${MODEL} ${major}.${minor}.${micro}-${buildnumber}

    loadername="redpill-${MODEL}_${major}.${minor}.${micro}-${buildnumber}"
    loaderimg=$(ls -ltr /home/tc/redpill-load/images/${loadername}* | tail -1 | awk '{print $9}')

    echo "Moving loader ${loaderimg} to loader.img "
    if [ -f "${loaderimg}" ]; then
        mv -f $loaderimg loader.img
    else
        echo "Failed to find loader ${loaderimg}, exiting"
        exit 99
    fi

    if [ ! -n "$(losetup -j loader.img | awk '{print $1}' | sed -e 's/://')" ]; then
        echo -n "Setting up loader img loop -> "
        sudo losetup -fP ./loader.img
        loopdev=$(losetup -j loader.img | awk '{print $1}' | sed -e 's/://')
        echo "$loopdev"
    else
        echo -n "Loop device exists, removing "
        losetup -d $(losetup -j loader.img | awk '{print $1}' | sed -e 's/://')
        echo -n "Setting up loader img loop -> "
        sudo losetup -fP ./loader.img
        loopdev=$(losetup -j loader.img | awk '{print $1}' | sed -e 's/://')
    fi

    echo -n "Mounting loop disks -> "

    [ ! -d /home/tc/redpill-load/localdiskp1 ] && mkdir /home/tc/redpill-load/localdiskp1
    [ ! -d /home/tc/redpill-load/localdiskp2 ] && mkdir /home/tc/redpill-load/localdiskp2

    [ ! -n "$(mount | grep -i localdiskp1)" ] && sudo mount ${loopdev}p1 localdiskp1
    [ ! -n "$(mount | grep -i localdiskp2)" ] && sudo mount ${loopdev}p2 localdiskp2

    [ -n "mount |grep -i localdiskp1" ] && [ -n "mount |grep -i localdiskp2" ] && echo "mounted succesfully"

    echo -n "Mounting loader disk -> "
    loaderdisk="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)"

    sudo mount /dev/${loaderdisk}1
    sudo mount /dev/${loaderdisk}2

    [ -n "mount |grep -i ${loaderdisk}1" ] && [ -n "mount |grep -i ${loaderdisk}2" ] && echo "mounted succesfully"

    echo -n "Copying loader files -> "
    echo -n "rd.gz : "
    cp -f /home/tc/redpill-load/localdiskp1/rd.gz /mnt/${loaderdisk}1/rd.gz
    cp -f /home/tc/redpill-load/localdiskp2/rd.gz /mnt/${loaderdisk}2/rd.gz
    [ "$(sha256sum /home/tc/redpill-load/localdiskp1/rd.gz | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}1/rd.gz | awk '{print $1}')" ] && [ "$(sha256sum /home/tc/redpill-load/localdiskp2/rd.gz | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}2/rd.gz | awk '{print $1}')" ] && echo -n "OK !!!"
    echo -n " zImage : "
    cp -f /home/tc/redpill-load/localdiskp1/zImage /mnt/${loaderdisk}1/zImage
    cp -f /home/tc/redpill-load/localdiskp2/zImage /mnt/${loaderdisk}2/zImage
    [ "$(sha256sum /home/tc/redpill-load/localdiskp1/zImage | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}1/zImage | awk '{print $1}')" ] && [ "$(sha256sum /home/tc/redpill-load/localdiskp2/zImage | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}2/zImage | awk '{print $1}')" ] && echo -n "OK !!!"
    echo -n " grub.cfg : "
    cp -f /home/tc/redpill-load/localdiskp1/boot/grub/grub.cfg /mnt/${loaderdisk}1/boot/grub/grub.cfg
    [ "$(sha256sum /home/tc/redpill-load/localdiskp1/boot/grub/grub.cfg | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}1/boot/grub/grub.cfg | awk '{print $1}')" ] && echo "OK !!!"
    echo "Creating tinycore entry"
    tinyentry | sudo tee --append /mnt/${loaderdisk}1/boot/grub/grub.cfg

    echo "Do you want to overwrite your custom.gz as well ? [yY/nN] : "
    read answer

    if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
        echo "Copying custom.gz"
        cp -f /home/tc/redpill-load/localdiskp1/custom.gz /mnt/${loaderdisk}1/custom.gz
        [ "$(sha256sum /home/tc/redpill-load/localdiskp1/custom.gz | awk '{print $1}')" == "$(sha256sum /mnt/${loaderdisk}1/custom.gz | awk '{print $1}')" ] && echo "OK !!!"
    else
        echo "OK, you should be fine keeping your existing custom.gz"
    fi

    echo "Cleaning up... "
    echo -n "Unmounting loaderdisk ${loaderdisk} -> "
    sudo umount /dev/${loaderdisk}1 && sudo umount /dev/${loaderdisk}2
    [ -z $(mount | grep -i ${loaderdisk}1) ] && [ -z $(mount | grep -i ${loaderdisk}2) ] && echo "OK !!!"

    echo -n "Unmounting loader image ${loopdev} -> "
    sudo umount ${loopdev}p1 && sudo umount ${loopdev}p2
    [ -z $(mount | grep -i ${loopdev}p1) ] && [ -z $(mount | grep -i ${loopdev}p2) ] && echo "OK !!!"
    echo -n "Detaching loop loader image -> "
    sudo losetup -d ${loopdev}
    [ -z $(losetup | grep -i loader.img) ] && echo "OK !!!"

    if [ -f /home/tc/redpill-load/loader.img ]; then
        echo -n "Removing loader.img -> "
        sudo rm -rf /home/tc/redpill-load/loader.img
        [ ! -f /home/tc/redpill-load/loader.img ] && echo "OK !!!"
    fi

    echo "Unmounting dsmroot -> "
    [ ! -z "$(mount | grep -i dsmroot)" ] && sudo umount /mnt/dsmroot
    [ -z "$(mount | grep -i dsmroot)" ] && echo "OK !!! "

    echo "Done, closing"

}

function removebundledexts() {

    echo "Entering redpill-load directory"
    cd /home/tc/redpill-load/

    echo "Removing bundled exts directories"
    for bundledext in $(grep ":" bundled-exts.json | awk '{print $2}' | sed -e 's/"//g' | sed -e 's/,/\n/g'); do
        bundledextdir=$(curl --location -s "$bundledext" | jq -r -e '.id')
        if [ -d /home/tc/redpill-load/custom/extensions/${bundledextdir} ]; then
            echo "Removing : ${bundledextdir}"
            sudo rm -rf /home/tc/redpill-load/custom/extensions/${bundledextdir}
        fi

    done

}

function fullupgrade() {

    backupdate="$(date +%Y-%b-%d-%H-%M)"

    echo "Performing a full TCRP upgrade"
    echo "Warning some of your local files will be moved to /home/tc/old/xxxx.${backupdate}"

    [ ! -d /home/tc/old ] && mkdir /home/tc/old

    for updatefile in ${fullupdatefiles}; do

        echo "Updating ${updatefile}"

        sudo mv $updatefile old/${updatefile}.${backupdate}
        sudo curl --location "${rploaderrepo}/${updatefile}" -O

    done

    sudo chown tc:staff $fullupdatefiles
    gunzip -f modules.alias.*.gz
    sudo chmod 700 rploader.sh

    backup

}

function backuploader() {

    loaderdisk="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)"
    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    homesize=$(du -sh /home/tc | awk '{print $1}')
    backupdate="$(date +%Y-%b-%d-%H-%M)"

    if [ ! -n "$loaderdisk" ] || [ ! -n "$tcrppart" ]; then
        echo "No Loader disk or no TCRP partition found, return"
        return
    fi

    if [ $(df -h /mnt/${tcrppart} | grep mnt | awk '{print $4}' | cut -c 1-3) -le 50 ]; then
        echo "No adequate space on TCRP loader partition  /mnt/${tcrppart} "
        return
    fi

    echo "Backing up current loader"
    echo "Checking backup folder existence"
    [ ! -d /mnt/${tcrppart}/backup ] && mkdir /mnt/${tcrppart}/backup
    echo "The backup folder holds the following backups"
    ls -ltr /mnt/${tcrppart}/backup
    echo "Creating backup folder $backupdate"
    [ ! -d /mnt/${tcrppart}/backup/${backupdate} ] && mkdir /mnt/${tcrppart}/backup/${backupdate}
    echo "Mounting partition 1"
    mount /dev/${loaderdisk}1
    cd /mnt/${loaderdisk}1
    tar cfz /mnt/${tcrppart}/backup/${backupdate}/partition1.tgz *

    echo "Mounting partition 2"
    mount /dev/${loaderdisk}2
    cd /mnt/${loaderdisk}2
    tar cfz /mnt/${tcrppart}/backup/${backupdate}/partition2.tgz *

    cd
    echo "Listing backup files : "

    ls -ltr /mnt/${tcrppart}/backup/${backupdate}/

    echo "Partition 1 : $(tar tfz /mnt/${tcrppart}/backup/${backupdate}/partition1.tgz | wc -l) files and directories "
    echo "Partition 2 : $(tar tfz /mnt/${tcrppart}/backup/${backupdate}/partition2.tgz | wc -l) files and directories "

    echo "DONE"

}

function restoreloader() {

    loaderdisk="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)"
    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    homesize=$(du -sh /home/tc | awk '{print $1}')
    PS3="Select backup folder to restore : "
    options=""

    if [ ! -n "$loaderdisk" ] || [ ! -n "$tcrppart" ]; then
        echo "No Loader disk or no TCRP partition found, return"
        return
    fi

    echo "Restoring loader from backup"
    echo "The backup folder holds the following backups"

    for folder in $(ls /mnt/${tcrppart}/backup | sed -e 's/\///g'); do
        options=" $options ${folder}"
        echo -n $folder
        echo -n "Partition 1 : $(tar tfz /mnt/${tcrppart}/backup/${folder}/partition1.tgz | wc -l) files and directories "
        echo "Partition 2 : $(tar tfz /mnt/${tcrppart}/backup/${folder}/partition2.tgz | wc -l) files and directories "
    done

    select restorefolder in ${options[@]}; do
        if [ "$REPLY" == "quit" ]; then
            return
        fi
        if [ -f "/mnt/${tcrppart}/backup/$restorefolder/partition1.tgz" ]; then
            echo " Restore folder : $restorefolder"
            echo -n "You have chosen ${restorefolder} : "
            echo "Folder contains : "
            ls -ltr /mnt/${tcrppart}/backup/$restorefolder

            echo -n "Do you want to restore [yY/nN] : "
            read answer

            if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
                echo restoring $restorefolder
                echo "Mounting partition 1"
                mount /dev/${loaderdisk}1
                echo "Restoring partition1 "
                cd /mnt/${loaderdisk}1
                tar xfz /mnt/${tcrppart}/backup/${restorefolder}/partition1.tgz *
                ls -ltr /mnt/${loaderdisk}1
                echo "Mounting partition 2"
                mount /dev/${loaderdisk}2
                echo "Restoring partition2 "
                cd /mnt/${loaderdisk}2
                tar xfz /mnt/${tcrppart}/backup/${restorefolder}/partition2.tgz *
                ls -ltr /mnt/${loaderdisk}2
                return
            else
                echo "OK, retry "
                return
            fi
        fi
        echo "Invalid choice : $REPLY"
    done

}

function checkforscsi() {

    # Make sure we load SCSI modules if SCSI/RAID/SAS HBAs exist on the system
    #
    if [ $(lspci -nn | grep -ie "\[0100\]" -ie "\[0104\]" -ie "\[0107\]" | wc -l) -gt 0 ]; then
        echo "Found SCSI HBAs, We need to install the SCSI modules"
        tce-load -iw scsi-5.10.3-tinycore64.tcz
        [ $(losetup | grep -i "scsi-" | wc -l) -gt 0 ] && echo "Succesfully installed SCSI modules"
    fi

}

function mountdsmroot() {

    # DSM Disks will be linux_raid_member and will  have the
    # same DSM PARTUUID with the addition of the partition number e.g :
    #/dev/sdb1: UUID="629ae3df-7eef-54e3-05d9-49f7b0bbaec7" TYPE="linux_raid_member" PARTUUID="d5ff7cea-01"
    #/dev/sdb2: UUID="260b3a01-ff65-a527-05d9-49f7b0bbaec7" TYPE="linux_raid_member" PARTUUID="d5ff7cea-02"
    # So a command like the below will list the first partition of a DSM disk
    #blkid /dev/sd* |grep -i raid  | awk '{print $1 " " $4}' |grep UUID | grep "\-01" | awk -F ":" '{print $1}'

    checkforscsi

    dsmrootdisk="$(blkid /dev/sd* | grep -i raid | awk '{print $1 " " $4}' | grep UUID | grep sd[a-z]1 | head -1 | awk -F ":" '{print $1}')"
    # OLD DSM
    #dsmrootdisk="$(blkid /dev/sd* | grep -i raid | awk '{print $1 " " $4}' | grep UUID | grep "\-01" | awk -F ":" '{print $1}' | head -1)"

    [[ ! -d /mnt/dsmroot ]] && mkdir /mnt/dsmroot

    [ ! $(mount | grep -i dsmroot | wc -l) -gt 0 ] && sudo mount -t ext4 $dsmrootdisk /mnt/dsmroot

    if [ $(mount | grep -i dsmroot | wc -l) -gt 0 ]; then
        echo "Succesfully mounted under /mnt/dsmroot"
    else
        echo "Failed to mount"
        return
    fi

    echo "Checking if patch version exists"

    if [ -d /mnt/dsmroot/.syno/patch ]; then
        echo "Patch directory exists"
        sudo cp /mnt/dsmroot/.syno/patch/VERSION /tmp/VERSION
        sudo chmod 666 /tmp/VERSION
        . /tmp/VERSION
        echo "DSM Root holds a patch version $productversion-$base-$nano "
    else
        echo "No DSM patch directory exists"
        return
    fi

}

function mountdatadisk() {

    echo "Assembling MD ..."
    sudo mdadm -Asf

    for mdarray in "$(ls /dev/md* | awk -F "\/" '{print $3}')"; do
        echo "Mounting $mdarray"
        echo "Getting md devices for array $mdarray"

        # Keep for LVM root disks recovery in future release
        if [ "$(fstype /dev/${mdarray})" == "LVM2_member" ]; then
            echo "Found LVM array, downloading LVM"
            tce-load -iw lvm2
            sudo vgchange -a y
            for volume in $(sudo lvs | grep -i vol | awk '{print $2"-"$1}'); do

                if [ "$(fstype /dev/mapper/$volume)" == "btrfs" ]; then
                    echo "BTRFS Mounting is not supported in tinycore"
                    return
                fi
                mkdir /mnt/$volume
                sudo mount /dev/mapper/$volume
            done
        else
            echo "Mounting $mdarray "
            sudo mkdir /mnt/$mdarray
            sudo mount /dev/$mdarray /mnt/$mdarray
        fi
    done

}

function patchdtc() {

    loaderdisk=$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)
    localdisks=$(lsblk | grep -i disk | grep -i sd | awk '{print $1}' | grep -v $loaderdisk)
    localnvme=$(lsblk | grep -i nvme | awk '{print $1}')
    usbpid=$(cat user_config.json | jq '.extra_cmdline .pid' | sed -e 's/"//g' | sed -e 's/0x//g')
    usbvid=$(cat user_config.json | jq '.extra_cmdline .vid' | sed -e 's/"//g' | sed -e 's/0x//g')
    loaderusb=$(lsusb | grep "${usbvid}:${usbpid}" | awk '{print $2 "-"  $4 }' | sed -e 's/://g' | sed -s 's/00//g')

    if [ "${TARGET_PLATFORM}" = "v1000" ]; then
        dtbfile="ds1621p"
    elif [ "${TARGET_PLATFORM}" = "geminilake" ]; then
        dtbfile="ds920p"
    else
        echo "${TARGET_PLATFORM} does not require model.dtc patching "
        return
    fi

    if [ ! -d /lib64 ]; then
        [ ! -h /lib64 ] && sudo ln -s /lib /lib64
    fi

    echo "Downloading dtc binary"
    curl --location --progress-bar "$dtcbin" -O
    chmod 700 dtc

    if [ ! -f ${dtbfile}.dts ]; then
        echo "dts file for ${dtbfile} not found, trying to download"
        curl --location --progress-bar -O "${dtsfiles}/${dtbfile}.dts"
    fi

    echo "Found $(echo $localdisks | wc -w) disks and $(echo $localnvme | wc -w) nvme"
    let diskslot=1
    echo "Collecting disk paths"

    for disk in $localdisks; do
        diskpath=$(udevadm info --query path --name $disk | awk -F "\/" '{print $4 ":" $5 }' | awk -F ":" '{print $2 ":" $3 "," $6}' | sed 's/,*$//')
        diskport=$(udevadm info --query path --name $disk | sed -n '/target/{s/.*target//;p;}' | awk -F: '{print $1}')

        echo "Found local disk $disk with path $diskpath, adding into internal_slot $diskslot with portnumber $diskport"
        if [ "${dtbfile}" == "ds920p" ]; then
            sed -i "/internal_slot\@${diskslot} {/!b;n;n;n;n;n;n;n;cpcie_root = \"$diskpath\";" ${dtbfile}.dts
            sed -i "/internal_slot\@${diskslot} {/!b;n;n;n;n;n;n;n;n;cata_port = <0x$diskport>;" ${dtbfile}.dts
            let diskslot=$diskslot+1
        else
            sed -i "/internal_slot\@${diskslot} {/!b;n;n;n;n;n;cpcie_root = \"$diskpath\";" ${dtbfile}.dts
            sed -i "/internal_slot\@${diskslot} {/!b;n;n;n;n;n;n;cata_port = <0x$diskport>;" ${dtbfile}.dts
            let diskslot=$diskslot+1
        fi

    done

    if [ $(echo $localnvme | wc -w) -gt 0 ]; then
        let nvmeslot=1
        echo "Collecting nvme paths"

        for nvme in $localnvme; do
            nvmepath=$(udevadm info --query path --name $nvme | awk -F "\/" '{print $4 ":" $5 }' | awk -F ":" '{print $2 ":" $3 "," $6}' | sed 's/,*$//')
            echo "Found local nvme $nvme with path $nvmepath, adding into m2_card $nvmeslot"
            if [ "${dtbfile}" == "ds920p" ]; then
                sed -i "/nvme_slot\@${nvmeslot} {/!b;n;cpcie_root = \"$nvmepath\";" ${dtbfile}.dts
                let diskslot=$diskslot+1
            else
                sed -i "/m2_card\@${nvmeslot} {/!b;n;n;n;cpcie_root = \"$nvmepath\";" ${dtbfile}.dts
                let nvmeslot=$diskslot+1
            fi
        done

    else
        echo "NO NVME disks found, returning"
    fi

    if
        [ ! -z $loaderusb ] && [ -n $loaderusb ]
    then
        echo "Patching USB to include your loader. Loader found in ${loaderusb} port"
        sed -i "/usb_slot\@1 {/!b;n;n;n;n;n;n;n;cusb_port = \"${loaderusb}\";" ${dtbfile}.dts
    else
        echo "Your loader is not in USB, i will not try to patch dtb for USB"
    fi

    echo "Converting dts file : ${dtbfile}.dts to dtb file : >${dtbfile}.dtb "
    ./dtc -q -I dts -O dtb ${dtbfile}.dts >${dtbfile}.dtb

    dtbextfile="$(find /home/tc/redpill-load/custom -name model_${dtbfile}.dtb)"
    if [ ! -z ${dtbextfile} ] && [ -f ${dtbextfile} ]; then
        echo -n "Copying patched dtb file ${dtbfile}.dtb to ${dtbextfile} -> "
        sudo cp ${dtbfile}.dtb ${dtbextfile}
        if [ $(sha256sum ${dtbfile}.dtb | awk '{print $1}') = $(sha256sum ${dtbextfile} | awk '{print $1}') ]; then
            echo -e "OK ! File copied and verified !"
        else
            echo -e "ERROR !\nFile has not been copied succesfully, you will need to copy it yourself"
        fi
    else
        [ -z ${dtbextfile} ] && echo "dtb extension is not loaded and its required for DSM to find disks on ${SYNOMODEL}"
        echo "Copy of the DTB file ${dtbfile}.dtb to ${dtbextfile} was not succesfull."
        echo "Please remember to replace the dtb extension model file ..."
        echo "execute manually : cp ${dtbfile}.dtb ${dtbextfile} and re-run"
        exit 99
    fi
}

function mountshare() {

    echo "smb user of the share, leave empty when you do not want to use one"
    read -r user

    echo "smb password of the share, leave empty when you do not want to use one"
    read -r password

    if [ -n "$user" ] && [ -z "$password" ]; then
        echo "u used a username, so we need a password too"
        echo "smb password of the share"
        read -r password
    fi

    echo "smb host ip or hostname"
    read -r server

    echo "smb shared folder. Start always with /"
    read -r share

    echo "local mount folder. Use foldername for the mount. This folder is created in /home/tc (default:/home/tc/mount)"
    read -r mountpoint

    if [ -z "$mountpoint" ]; then
        echo "use /home/tc/mount folder, nothing was entered to use so we use the default folder"
        mountpoint="/home/tc/mount"

        if [ ! -d "$mountpoint" ]; then
            sudo mkdir -p "$mountpoint"
        fi
    else
        sudo mkdir -p "$mountpoint"
    fi

    if [ -n "$user" ] && [ -n "$password" ]; then
        sudo mount.cifs "//$server$share" "$mountpoint" -o user="$user",pass="$password"
    else
        echo "No user/password given, mount without. Press enter"
        sudo mount.cifs "//$server$share" "$mountpoint"
    fi
}

function checkmachine() {

    if grep -q ^flags.*\ hypervisor\  /proc/cpuinfo; then
        MACHINE="VIRTUAL"
        HYPERVISOR=$(dmesg | grep -i "Hypervisor detected" | awk '{print $5}')
        echo "Machine is $MACHINE Hypervisor=$HYPERVISOR"
    fi

}

function backup() {

    loaderdisk=$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)
    homesize=$(du -sh /home/tc | awk '{print $1}')

    echo "Please make sure you are using the latest 1GB img before using backup option"
    echo "Current /home/tc size is $homesize , try to keep it less than 1GB as it might not fit into your image"

    echo "Should i update the $loaderdisk with your current files [Yy/Nn]"
    read answer
    if [ -n "$answer" ] && [ "$answer" = "Y" ] || [ "$answer" = "y" ]; then
        echo -n "Backing up home files to $loaderdisk : "
        if filetool.sh -b ${loaderdisk}3; then
            echo ""
        else
            echo "Error: Couldn't backup files"
        fi
    else
        echo "OK, keeping last status"
    fi

}

function satamap() {

    checkmachine

    checkforscsi

    let controller=0
    let diskidxmap=0

    if [ "$MACHINE" = "VIRTUAL" ] && [ "$HYPERVISOR" = "VMware" ]; then
        echo "Running on VMware, Possible working solution, SataPortMap=1 DiskIdxMap=00"
    else
        for hba in $(lsscsi -Hv | grep pci | grep -v usb | cut -c 44-50 | uniq); do
            if [ $(lsscsi -Hv | grep "$hba" | grep ata | wc -l) -gt 0 ]; then
                echo "HBA: $hba Disks : $(lsscsi -Hv | grep "$hba" | wc -l)"
                lsscsi -Hv | grep "$hba" | wc -l >>satamap.$$
                if [ $controller = 0 ]; then
                    printf "%02X" $diskidxmap >>diskmap.$$
                else
                    let diskidxmap=$diskidxmap+$(lsscsi -Hv | grep "$hba" | wc -l)
                    printf "%02X" $diskidxmap >>diskmap.$$
                fi
            else
                if [ $(lsscsi -Hv | grep -B 2 $hba | head -1 | awk '{print $2}' | grep vmw | wc -l) -gt 0 ]; then
                    pcidev=$(lsscsi -Hv | grep $hba | awk '{print $3}')
                    echo "HBA: $hba Disks : $(ls -ltrd ${pcidev}/target* | wc -l)"
                    ls -ltrd ${pcidev}/target* | wc -l >>satamap.$$
                    if [ $controller = 0 ]; then
                        printf "%02X" $diskidxmap >>diskmap.$$
                    else
                        let diskidxmap=$diskidxmap+$(lsscsi -Hv | grep "$hba" | wc -l)
                        printf "%02X" $diskidxmap >>diskmap.$$
                    fi
                else
                    pcidev=$(lsscsi -Hv | grep $hba | awk '{print $3}')
                    echo "HBA: $hba Disks : $(ls -ltrd ${pcidev}/port* | wc -l)"
                    ls -ltrd ${pcidev}/port* | wc -l >>satamap.$$
                    if [ $controller = 0 ]; then
                        printf "%02X" $diskidxmap >>diskmap.$$
                    else
                        let diskidxmap=$diskidxmap+$(lsscsi -Hv | grep "$hba" | wc -l)
                        printf "%02X" $diskidxmap >>diskmap.$$
                    fi
                fi
            fi
            let controller=$controller+1
        done

        sataportmap=$(cat satamap.$$ | tr -d '\n')
        diskidxmap=$(cat diskmap.$$ | tr -d '\n')
        echo "SataPortMap=$sataportmap"
        echo "DiskIdxMap=$diskidxmap"

        echo "Should i update the user_config.json with these values ? [Yy/Nn]"
        read answer
        if [ -n "$answer" ] && [ "$answer" = "Y" ] || [ "$answer" = "y" ]; then
            sed -i "/\"SataPortMap\": \"/c\    \"SataPortMap\": \"$sataportmap\"," user_config.json
            sed -i "/\"DiskIdxMap\": \"/c\    \"DiskIdxMap\": \"$diskidxmap\"" user_config.json
        else
            echo "OK remember to update manually by editing user_config.json file"
        fi

        rm satamap.$$
        rm diskmap.$$
    fi

}

function usbidentify() {

    checkmachine

    if [ "$MACHINE" = "VIRTUAL" ] && [ "$HYPERVISOR" = "VMware" ]; then
        echo "Running on VMware, no need to set USB VID and PID, you should SATA shim instead"
        exit 0
    fi

    if [ "$MACHINE" = "VIRTUAL" ] && [ "$HYPERVISOR" = "QEMU" ]; then
        echo "Running on QEMU, If you are using USB shim, VID 0x46f4 and PID 0x0001 should work for you"
        vendorid="0x46f4"
        productid="0x0001"
        echo "Vendor ID : $vendorid Product ID : $productid"

        echo "Should i update the user_config.json with these values ? [Yy/Nn]"
        read answer
        if [ -n "$answer" ] && [ "$answer" = "Y" ] || [ "$answer" = "y" ]; then
            sed -i "/\"pid\": \"/c\    \"pid\": \"$productid\"," user_config.json
            sed -i "/\"vid\": \"/c\    \"vid\": \"$vendorid\"," user_config.json
        else
            echo "OK remember to update manually by editing user_config.json file"
        fi
        exit 0
    fi

    loaderdisk=$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)

    lsusb -v 2>&1 | grep -B 33 -A 1 SCSI >/tmp/lsusb.out

    usblist=$(grep -B 33 -A 1 SCSI /tmp/lsusb.out)
    vendorid=$(grep -B 33 -A 1 SCSI /tmp/lsusb.out | grep -i idVendor | awk '{print $2}')
    productid=$(grep -B 33 -A 1 SCSI /tmp/lsusb.out | grep -i idProduct | awk '{print $2}')

    if [ $(echo $vendorid | wc -w) -gt 1 ]; then
        echo "Found more than one USB disk devices, please select which one is your loader on"
        usbvendor=$(for item in $vendorid; do grep $item /tmp/lsusb.out | awk '{print $3}'; done)
        select usbdev in $usbvendor; do
            vendorid=$(grep -B 10 -A 10 $usbdev /tmp/lsusb.out | grep idVendor | grep $usbdev | awk '{print $2}')
            productid=$(grep -B 10 -A 10 $usbdev /tmp/lsusb.out | grep -A 1 idVendor | grep idProduct | awk '{print $2}')
            echo "Selected Device : $usbdev , with VendorID: $vendorid and ProductID: $productid"
            break
        done
    else
        usbdevice="$(grep iManufacturer /tmp/lsusb.out | awk '{print $3}') $(grep iProduct /tmp/lsusb.out | awk '{print $3}') SerialNumber: $(grep iSerial /tmp/lsusb.out | awk '{print $3}')"
    fi

    if [ -n "$usbdevice" ] && [ -n "$vendorid" ] && [ -n "$productid" ]; then
        echo "Found $usbdevice"
        echo "Vendor ID : $vendorid Product ID : $productid"

        echo "Should i update the user_config.json with these values ? [Yy/Nn]"
        read answer
        if [ -n "$answer" ] && [ "$answer" = "Y" ] || [ "$answer" = "y" ]; then
            sed -i "/\"pid\": \"/c\    \"pid\": \"$productid\"," user_config.json
            sed -i "/\"vid\": \"/c\    \"vid\": \"$vendorid\"," user_config.json
        else
            echo "OK remember to update manually by editing user_config.json file"
        fi
    else
        echo "Sorry, no usb disk could be identified"
        rm /tmp/lsusb.out
    fi
}

function serialgen() {

    if [ "$1" = "DS3615xs" ] || [ "$1" = "DS3617xs" ] || [ "$1" = "DS916+" ] || [ "$1" = "DS918+" ] || [ "$1" = "DS920+" ] || [ "$1" = "DS3622xs+" ] || [ "$1" = "FS6400" ] || [ "$1" = "DVA3219" ] || [ "$1" = "DVA3221" ] || [ "$1" = "DS1621+" ]; then
        serial="$(generateSerial $1)"
        mac="$(generateMacAddress $1)"
        echo "Serial Number for Model : $serial"
        echo "Mac Address for Model $1 : $mac "

        echo "Should i update the user_config.json with these values ? [Yy/Nn]"
        read answer
        if [ -n "$answer" ] && [ "$answer" = "Y" ] || [ "$answer" = "y" ]; then
            sed -i "/\"sn\": \"/c\    \"sn\": \"$serial\"," user_config.json
            macaddress=$(echo $mac | sed -s 's/://g')
            sed -i "/\"mac1\": \"/c\    \"mac1\": \"$macaddress\"," user_config.json
        else
            echo "OK remember to update manually by editing user_config.json file"
        fi
    else
        echo "Error : $2 is not an available model for serial number generation. "
        echo "Available Models : DS3615xs DS3617xs DS916+ DS918+ DS920+ DS3622xs+ FS6400 DVA3219 DVA3221 DS1621+"
    fi

}

function beginArray() {

    case $1 in
    DS3615xs)
        permanent="LWN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS3617xs)
        permanent="ODN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS916+)
        permanent="NZN"
        serialstart="1130 1230 1330 1430"
        ;;
    DS918+)
        permanent="PDN"
        serialstart="1780 1790 1860 1980"
        ;;
    DS920+)
        permanent="SBR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DS3622xs+)
        permanent="SQR"
        serialstart="2030 2040 20C0 2150"
        ;;
    DS1621+)
        permanent="S7R"
        serialstart="2080"
        ;;
    FS6400)
        permanent="PSN"
        serialstart="1960"
        ;;
    DVA3219)
        permanent="RFR"
        serialstart="1930 1940"
        ;;
    DVA3221)
        permanent="SJR"
        serialstart="2030 2040 20C0 2150"
        ;;
    esac

}

function random() {

    printf "%06d" $(($RANDOM % 30000 + 1))

}
function randomhex() {
    val=$(($RANDOM % 255 + 1))
    echo "obase=16; $val" | bc
}

function generateRandomLetter() {
    for i in a b c d e f g h j k l m n p q r s t v w x y z; do
        echo $i
    done | sort -R | tail -1
}

function generateRandomValue() {
    for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f g h j k l m n p q r s t v w x y z; do
        echo $i
    done | sort -R | tail -1
}

function toupper() {
    echo $1 | tr '[:lower:]' '[:upper:]'
}

function generateMacAddress() {
    #toupper "Mac Address: 00:11:32:$(randomhex):$(randomhex):$(randomhex)"
    printf '00:11:32:%02X:%02X:%02X' $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256))

}

function generateSerial() {

    beginArray $1

    case $1 in

    DS3615xs)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS3617xs)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS916+)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS918+)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    FS6400)
        serialnum="$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(random)
        ;;
    DS920+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS3622xs+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DS1621+)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DVA3219)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    DVA3221)
        serialnum=$(toupper "$(echo "$serialstart" | tr ' ' '\n' | sort -R | tail -1)$permanent"$(generateRandomLetter)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomValue)$(generateRandomLetter))
        ;;
    esac

    echo $serialnum

}

function prepareforcompile() {

    echo "Downloading required build software "
    tce-load -wi git compiletc coreutils bc perl5 openssl-1.1.1-dev

    if [ ! -d /lib64 ]; then
        [ ! -h /lib64 ] && sudo ln -s /lib /lib64
    fi
    if [ ! -f /lib64/libbz2.so.1 ]; then
        [ ! -h /lib64/libbz2.so.1 ] && sudo ln -s /usr/local/lib/libbz2.so.1.0.8 /lib64/libbz2.so.1
    fi

}

function gettoolchain() {

    if [ -d /usr/local/x86_64-pc-linux-gnu/ ]; then
        echo "Toolchain already cached"
        return
    fi

    cd /home/tc

    if [ -f dsm-toolchain.7.0.txz ]; then
        echo "File already cached"
    else
        echo "Downloading and caching toolchain"
        curl --progress-bar --location "${TOOLKIT_URL}" --output dsm-toolchain.7.0.txz
    fi

    echo -n "Checking file -> "
    checkfilechecksum dsm-toolchain.7.0.txz ${TOOLKIT_SHA}
    echo "OK, file matches sha256sum, extracting"
    cd / && sudo tar -xf /home/tc/dsm-toolchain.7.0.txz usr/local/x86_64-pc-linux-gnu/x86_64-pc-linux-gnu/sys-root/usr/lib/modules/DSM-7.0/build
    if [ $? = 0 ]; then
        return
    else
        echo "Failed to extract toolchain"
    fi

}

function getPlatforms() {

    platform_versions=$(jq -s '.[0].build_configs=(.[1].build_configs + .[0].build_configs | unique_by(.id)) | .[0]' global_config.json custom_config.json | jq -r '.build_configs[].id')
    echo "$platform_versions"

}

function selectPlatform() {

    platform_selected=$(jq -s '.[0].build_configs=(.[1].build_configs + .[0].build_configs | unique_by(.id)) | .[0]' global_config.json custom_config.json | jq ".build_configs[] | select(.id==\"${1}\")")

}
function getValueByJsonPath() {

    local JSONPATH=${1}
    local CONFIG=${2}
    jq -c -r "${JSONPATH}" <<<${CONFIG}

}

function readConfig() {

    if [ ! -e custom_config.json ]; then
        cat global_config.json
    else
        jq -s '.[0].build_configs=(.[1].build_configs + .[0].build_configs | unique_by(.id)) | .[0]' global_config.json custom_config.json
    fi

}

function getsynokernel() {

    if [ -d /home/tc/linux-kernel ]; then
        if [ -f /home/tc/linux-kernel/synoconfigs/${TARGET_PLATFORM} ]; then
            echo "Synokernel already cached"
            return
        else
            echo "Synokernel is cached but does not match the required sources"
            rm -rf /home/tc/linux-kernel
            rm -rf synokernel.txz
        fi
    fi

    cd /home/tc

    if [ -f synokernel.txz ]; then
        echo -n "File already cached, checking file -> "
        checkfilechecksum synokernel.txz ${SYNOKERNEL_SHA}
        echo "OK, file matches sha256sum, extracting"
        tar xf /home/tc/synokernel.txz
        mv $(tar --exclude="*/*/*" -tf synokernel.txz | head -1) linux-kernel
        rm -rf synokernel.txz
    else
        echo "Downloading and caching synokernel"
        cd /home/tc && curl --progress-bar --location ${SYNOKERNEL_URL} --output synokernel.txz
        checkfilechecksum synokernel.txz ${SYNOKERNEL_SHA}
        echo "OK, file matches sha256sum, extracting"
        echo "Extracting synokernel"
        tar xf /home/tc/synokernel.txz
        mv $(tar --exclude="*/*/*" -tf synokernel.txz | head -1) linux-kernel
        rm -rf synokernel.txz
    fi

}

function cleanloader() {

    echo "Clearing local redpill files"
    sudo rm -rf /home/tc/redpill*
    sudo rm -rf /home/tc/*tgz
    sudo rm -rf /home/tc/latestrploader.sh

}

function compileredpill() {

    cd /home/tc

    export DSM_VERSION=${TARGET_VERSION}
    export REDPILL_LOAD_SRC=/home/tc/redpill-load
    export REDPILL_LKM_SRC=/home/tc/redpill-lkm
    export LOCAL_RP_LOAD_USE=false
    export ARCH=x86_64
    export LOCAL_RP_LKM_USE=false

    echo "Compiling redpill with $COMPILE_METHOD"
    if [ "$COMPILE_METHOD" = "toolkit_dev" ]; then
        export LINUX_SRC=/usr/local/x86_64-pc-linux-gnu/x86_64-pc-linux-gnu/sys-root/usr/lib/modules/DSM-7.0/build

    else
        export LINUX_SRC=/home/tc/linux-kernel
    fi

    cd redpill-lkm && make ${REDPILL_LKM_MAKE_TARGET}
    strip --strip-debug /home/tc/redpill-lkm/redpill.ko
    modinfo /home/tc/redpill-lkm/redpill.ko
    REDPILL_MOD_NAME="redpill-linux-v$(modinfo redpill.ko | grep vermagic | awk '{print $2}').ko"
    cp /home/tc/redpill-lkm/redpill.ko /home/tc/redpill-load/ext/rp-lkm/${REDPILL_MOD_NAME}

}

function checkfilechecksum() {

    local FILE="${1}"
    local EXPECTED_SHA256="${2}"
    local SHA256_RESULT=$(sha256sum ${FILE})
    if [ "${SHA256_RESULT%% *}" != "${EXPECTED_SHA256}" ]; then
        echo "The ${FILE} is corrupted, expected sha256 checksum ${EXPECTED_SHA256}, got ${SHA256_RESULT%% *}"
        #rm -f "${FILE}"
        #echo "Deleted corrupted file ${FILE}. Please re-run your action!"
        echo "Please delete the file ${FILE} manualy and re-run your command!"
        exit 99
    fi

}

function tinyentry() {

    cat <<EOF
menuentry 'Tiny Core Image Build' {
        savedefault
        set root=(hd0,msdos3)
        echo Loading Linux...
        linux /vmlinuz64 loglevel=3 cde waitusb=5 vga=791
        echo Loading initramfs...
        initrd /corepure64.gz
        echo Booting TinyCore for loader creation
}
EOF

}

function showhelp() {
    cat <<EOF
$(basename ${0})

Version : $rploaderver
----------------------------------------------------------------------------------------
Usage: ${0} <action> <platform version> <static or compile module> [extension manager arguments]

Actions: build, ext, download, clean, update, listmod, serialgen, identifyusb, satamap, mountshare

- build:        Build the 💊 RedPill LKM and update the loader image for the specified
                platform version and update current loader.

- ext:          Manage extensions, options go after platform (add/force_add/info/remove/update/cleanup/auto)

                example:

                rploader.sh ext apollolake-7.0.1-42218 add https://gitee.com/gebi1/pocopico-rp-ext/raw/main/e1000/rpext-index.json

                or for auto detect use

                rploader.sh ext apollolake-7.0.1-42218 auto

- download:     Download redpill sources only

- clean:        Removes all cached files and starts over

- update:       Checks github repo for latest version of rploader

- listmods:     Tries to figure out required extensions

- serialgen:    Generates a serial number and mac address for the following platforms

                DS3615xs DS3617xs DS916+ DS918+ DS920+ DS3622xs+ FS6400 DVA3219 DVA3221 DS1621+

- identifyusb:  Tries to identify your loader usb stick VID:PID and updates the user_config.json file

- patchdtc:     Tries to identify and patch your dtc model for your disk and nvme devices.

- satamap:      Tries to identify your SataPortMap and DiskIdxMap values and updates the user_config.json file

- backup:       Backup and make changes /home/tc changed permanent to your loader disk

- backuploader: Backup current loader partitions to your TCRP partition

- restoreloader:Restore current loader partitions from your TCRP partition

- restoresession: Restore last user session files. (extensions and user_config.json)

- mountdsmroot: Mount DSM root for manual intervention on DSM root partition

- postupdate:   Runs a postupdate process to recreate your rd.gz, zImage and custom.gz for junior to match root

- mountshare:   Mounts a remote CIFS working directory

Version : $rploaderver
----------------------------------------------------------------------------------------
Available platform versions:
----------------------------------------------------------------------------------------
$(getPlatforms)
----------------------------------------------------------------------------------------
Check global_settings.json for settings.
EOF

}

function checkinternet() {

    echo -n "Checking Internet Access -> "
    nslookup github.com 2>&1 >/dev/null
    if [ $? -eq 0 ]; then
        echo "OK"
    else
        echo "Error: No internet found, or github is not accessible"
        exit 99
    fi

}

function gitdownload() {

    cd /home/tc

    if [ -d redpill-lkm ]; then
        echo "Redpill sources already downloaded, pulling latest"
        cd redpill-lkm
        git pull
        cd /home/tc
    else
        git clone -b $LKM_BRANCH "$LKM_SOURCE_URL" redpill-lkm
		sudo chmod -R 777 redpill-lkm
    fi

    if [ -d redpill-load ]; then
        echo "Loader sources already downloaded, pulling latest"
        cd redpill-load
        git pull
        cd /home/tc
    else
        git clone -b $LD_BRANCH "$LD_SOURCE_URL" redpill-load
		sudo chmod -R 777 redpill-load
    fi

}

function getstaticmodule() {

    cd /home/tc

    if [ -d /home/tc/custom-module ] && [ -f /home/tc/custom-module/redpill.ko ]; then
        echo "Found custom redpill module, do you want to use this instead ? [yY/nN] : "
        read answer

        if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
            REDPILL_MOD_NAME="redpill-linux-v$(modinfo /home/tc/custom-module/redpill.ko | grep vermagic | awk '{print $2}').ko"
            cp /home/tc/custom-module/redpill.ko /home/tc/redpill-load/ext/rp-lkm/${REDPILL_MOD_NAME}
            strip --strip-debug /home/tc/redpill-load/ext/rp-lkm/${REDPILL_MOD_NAME}
            return
        fi

    fi

    echo "Removing any old redpill.ko modules"
    [ -f /home/tc/redpill.ko ] && rm -f /home/tc/redpill.ko

    extension=$(curl -s --location "$redpillextension")

    if [ "${TARGET_PLATFORM}" = "apollolake" ]; then
        SYNOMODEL="ds918p_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "bromolow" ]; then
        SYNOMODEL="ds3615xs_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "broadwell" ]; then
        SYNOMODEL="ds3617xs_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "broadwellnk" ]; then
        SYNOMODEL="ds3622xsp_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "v1000" ]; then
        SYNOMODEL="ds1621p_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "denverton" ]; then
        SYNOMODEL="dva3221_$TARGET_REVISION"
    elif [ "${TARGET_PLATFORM}" = "geminilake" ]; then
        SYNOMODEL="ds920p_$TARGET_REVISION"
    fi

    echo "Looking for redpill for : $SYNOMODEL "

    #release=`echo $extension |  jq -r '.releases .${SYNOMODEL}_{$TARGET_REVISION}'`
    release=$(echo $extension | jq -r -e --arg SYNOMODEL $SYNOMODEL '.releases[$SYNOMODEL]')
    files=$(curl -s --location "$release" | jq -r '.files[] .url')

    for file in $files; do
        echo "Getting file $file"
        curl -s -O $file
        if [ -f redpill*.tgz ]; then
            echo "Extracting module"
            tar xf redpill*.tgz
            rm redpill*.tgz
            strip --strip-debug redpill.ko
        fi
    done

    if [ -f redpill.ko ] && [ -n $(strings redpill.ko | grep $SYNOMODEL) ]; then
        REDPILL_MOD_NAME="redpill-linux-v$(modinfo redpill.ko | grep vermagic | awk '{print $2}').ko"
        mv /home/tc/redpill.ko /home/tc/redpill-load/ext/rp-lkm/${REDPILL_MOD_NAME}
    else
        echo "Module does not contain platorm information for ${SYNOMODEL}"
        exit 99
    fi

}

function downloadtools() {

    curl -s --progress-bar --location "https://packages.slackonly.com/pub/packages/14.1-x86_64/development/bsdiff/bsdiff-4.3-x86_64-1_slack.txz" --output /home/tc/bsdiff.txz
    [ ! -f /home/tc/bsdiff.txz ] && echo "bsdiff binary was not downloaded"
    [ -f /home/tc/bsdiff.txz ] && cd / && sudo tar xf /home/tc/bsdiff.txz && rm -rf /home/tc/bsdiff.txz && cd /home/tc

}

function buildloader() {

    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    local_cache="/mnt/${tcrppart}/auxfiles"

    [ -d $local_cache ] && echo "Found tinycore cache folder, linking to home/tc/custom-module" && [ ! -d /home/tc/custom-module ] && ln -s $local_cache /home/tc/custom-module

    cd /home/tc

    echo -n "Checking user_config.json : "
    if jq -s . user_config.json >/dev/null; then
        echo "Done"
    else
        echo "Error : Problem found in user_config.json"
        exit 99
    fi

    removebundledexts

    downloadtools

    if [ ! -d /lib64 ]; then
        sudo ln -s /lib /lib64
    fi
    if [ ! -f /lib64/libbz2.so.1 ]; then
        sudo ln -s /usr/local/lib/libbz2.so.1.0.8 /lib64/libbz2.so.1
    fi

    if [ ! -f /home/tc/redpill-load/user_config.json ]; then
        ln -s /home/tc/user_config.json /home/tc/redpill-load/user_config.json
    fi

    cd /home/tc/redpill-load

    if [ -d cache ]; then
        echo "Cache directory OK "
    else
        mkdir cache
    fi

    if [ ${TARGET_REVISION} -gt 42218 ]; then

        echo "Found build request for revision greater than 42218"
        downloadextractor
        processpat

    else

        if [ -d /home/tc/custom-module ]; then
            echo "Want to use firmware files from /home/tc/custom-module/*.pat ? [yY/nN] : "
            read answer

            if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
                sudo cp -adp /home/tc/custom-module/*${TARGET_REVISION}*.pat /home/tc/redpill-load/cache/
            fi
        fi

    fi

    [ -d /home/tc/redpill-load ] && cd /home/tc/redpill-load

    addrequiredexts

    sudo ./build-loader.sh $MODEL $TARGET_VERSION-$TARGET_REVISION loader.img

    if [ $? -ne 0 ]; then
        echo "FAILED : Loader creation failed check the output for any errors"
        exit 99
    fi

    sudo losetup -fP ./loader.img
    loopdev=$(losetup -j loader.img | awk '{print $1}' | sed -e 's/://')

    if [ -d part1 ]; then
        sudo mount ${loopdev}p1 part1
    else
        mkdir part1
        sudo mount ${loopdev}p1 part1
    fi

    if [ -d part2 ]; then
        sudo mount ${loopdev}p2 part2
    else
        mkdir part2
        sudo mount ${loopdev}p2 part2
    fi

    loaderdisk=$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)

    if [ -d localdiskp1 ]; then
        sudo mount /dev/${loaderdisk}1 localdiskp1
        echo "Mounting /dev/${loaderdisk}1 to localdiskp1 "
    else
        mkdir localdiskp1
        sudo mount /dev/${loaderdisk}1 localdiskp1
        echo "Mounting /dev/${loaderdisk}1 to localdiskp1 "
    fi

    if [ -d localdiskp2 ]; then
        sudo mount /dev/${loaderdisk}2 localdiskp2
        echo "Mounting /dev/${loaderdisk}2 to localdiskp2 "
    else
        mkdir localdiskp2
        sudo mount /dev/${loaderdisk}2 localdiskp2
        echo /dev/${loaderdisk}2 localdiskp2
    fi

    if [ $(mount | grep -i part1 | wc -l) -eq 1 ] && [ $(mount | grep -i part2 | wc -l) -eq 1 ] && [ $(mount | grep -i localdiskp1 | wc -l) -eq 1 ] && [ $(mount | grep -i localdiskp2 | wc -l) -eq 1 ]; then
        sudo cp -rf part1/* localdiskp1/
        sudo cp -rf part2/* localdiskp2/
        echo "Creating tinycore entry"
        tinyentry | sudo tee --append localdiskp1/boot/grub/grub.cfg
    else
        echo "ERROR: Failed to mount correctly all required partitions"
    fi

    echo "Entries in Localdisk bootloader : "
    echo "======================================================================="
    grep menuentry localdiskp1/boot/grub/grub.cfg

    checkmachine

    if [ "$MACHINE" = "VIRTUAL" ]; then
        echo "Setting default boot entry to SATA"
        sudo sed -i "/set default=\"0\"/cset default=\"1\"" localdiskp1/boot/grub/grub.cfg
    fi

    sudo umount part1
    sudo umount part2
    sudo umount localdiskp1
    sudo umount localdiskp2
    sudo losetup -D

    echo "Caching files for future use"
    [ ! -d ${local_cache} ] && mkdir ${local_cache}

    if [ $(df -h /mnt/${tcrppart} | grep mnt | awk '{print $4}' | cut -c 1-3 | sed -e 's/M//g') -le 400 ]; then
        echo "No adequate space on TCRP loader partition /mnt/${tcrppart} to cache pat file"
        echo "Found $(ls /mnt/${tcrppart}/auxfiles/*pat) file"
        echo -n "Do you want me to remove older cached pat files and cache current ? [yY/nN] : "
        read answer
        if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
            rm -f /mnt/${tcrppart}/auxfiles/*.pat
            patfile=$(ls /home/tc/redpill-load/cache/*${TARGET_REVISION}*.pat | head -1)
            echo "Found ${patfile}, copying to cache directory : ${local_cache} "
            cp -f ${patfile} ${local_cache}
        fi
    else
        if [ -f "$(ls /home/tc/redpill-load/cache/*${TARGET_REVISION}*.pat | head -1)" ]; then
            patfile=$(ls /home/tc/redpill-load/cache/*${TARGET_REVISION}*.pat | head -1)
            echo "Found ${patfile}, copying to cache directory : ${local_cache} "
            cp -f ${patfile} ${local_cache}
        fi
    fi

}

function kernelprepare() {

    export ARCH=x86_64

    cd /home/tc/linux-kernel
    cp synoconfigs/${TARGET_PLATFORM} .config
    if [ ${TARGET_PLATFORM} = "apollolake" ]; then
        echo '+' >.scmversion
    fi

    if [ ${TARGET_PLATFORM} = "bromolow" ]; then

        cat <<EOF >patch-reloc
--- arch/x86/tools/relocs.c
+++ arch/x86/tools/relocs.b
@@ -692,7 +692,7 @@
*
*/
static int per_cpu_shndx       = -1;
-Elf_Addr per_cpu_load_addr;
+static Elf_Addr per_cpu_load_addr;

static void percpu_init(void)
{
EOF

        if ! patch -R -p0 -s -f --dry-run <patch-reloc; then
            patch -p0 <patch-reloc
        fi

    fi

    make oldconfig
    make headers_install
    make modules_prepare

}

function getlatestrploader() {

    echo -n "Checking if a newer version exists on the repo -> "

    curl -s --location "$rploaderfile" --output latestrploader.sh
    curl -s --location "$modalias3" --output modules.alias.3.json.gz
    [ -f modules.alias.3.json.gz ] && gunzip -f modules.alias.3.json.gz
    curl -s --location "$modalias4" --output modules.alias.4.json.gz
    [ -f modules.alias.4.json.gz ] && gunzip -f modules.alias.4.json.gz

    CURRENTSHA="$(sha256sum rploader.sh | awk '{print $1}')"
    REPOSHA="$(sha256sum latestrploader.sh | awk '{print $1}')"

    if [ -f latestrploader.sh ] && [ "${CURRENTSHA}" != "${REPOSHA}" ]; then
        echo -n "There is a newer version of the script on the repo should we use that ? [yY/nN]"
        read confirmation
        if [ "$confirmation" = "y" ] || [ "$confirmation" = "Y" ]; then
            echo "OK, updating, please re-run after updating"
            cp -f /home/tc/latestrploader.sh /home/tc/rploader.sh
            rm -f /home/tc/latestrploader.sh
            loaderdisk=$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)
            echo "Updating tinycore loader with latest updates"
            #cleanloader
            filetool.sh -b ${loaderdisk}3
            exit
        else
            rm -f /home/tc/latestrploader.sh
            return
        fi
    else
        echo "Version is current"
        rm -f /home/tc/latestrploader.sh
    fi

}

function getvars() {

    CONFIG=$(readConfig)
    selectPlatform $1

    LD_SOURCE_URL="$(echo $platform_selected | jq -r -e '.redpill_load .source_url')"
    LD_BRANCH="$(echo $platform_selected | jq -r -e '.redpill_load .branch')"
    LKM_SOURCE_URL="$(echo $platform_selected | jq -r -e '.redpill_lkm .source_url')"
    LKM_BRANCH="$(echo $platform_selected | jq -r -e '.redpill_lkm .branch')"
    #EXTENSIONS="$(echo $platform_selected | jq -r -e '.add_extensions[]')"
    EXTENSIONS="$(echo $platform_selected | jq -r -e '.add_extensions[]' | grep json | awk -F: '{print $1}' | sed -s 's/"//g')"
    #EXTENSIONS_SOURCE_URL="$(echo $platform_selected | jq '.add_extensions[] .url')"
    EXTENSIONS_SOURCE_URL="$(echo $platform_selected | jq '.add_extensions[]' | grep json | awk '{print $2}')"
    TOOLKIT_URL="$(echo $platform_selected | jq -r -e '.downloads .toolkit_dev .url')"
    TOOLKIT_SHA="$(echo $platform_selected | jq -r -e '.downloads .toolkit_dev .sha256')"
    SYNOKERNEL_URL="$(echo $platform_selected | jq -r -e '.downloads .kernel .url')"
    SYNOKERNEL_SHA="$(echo $platform_selected | jq -r -e '.downloads .kernel .sha256')"
    COMPILE_METHOD="$(echo $platform_selected | jq -r -e '.compile_with')"
    TARGET_PLATFORM="$(echo $platform_selected | jq -r -e '.platform_version | split("-")' | jq -r -e .[0])"
    TARGET_VERSION="$(echo $platform_selected | jq -r -e '.platform_version | split("-")' | jq -r -e .[1])"
    TARGET_REVISION="$(echo $platform_selected | jq -r -e '.platform_version | split("-")' | jq -r -e .[2])"
    REDPILL_LKM_MAKE_TARGET="$(echo $platform_selected | jq -r -e '.redpill_lkm_make_target')"
    tcrppart="$(mount | grep -i optional | grep cde | awk -F / '{print $3}' | uniq | cut -c 1-3)3"
    local_cache="/mnt/${tcrppart}/auxfiles"

    [ ! -d ${local_cache} ] && sudo mkdir -p ${local_cache}
    [ ! -h /home/tc/custom-module ] && sudo ln -s $local_cache /home/tc/custom-module

    if [ -z "$TARGET_PLATFORM" ] || [ -z "$TARGET_VERSION" ] || [ -z "$TARGET_REVISION" ]; then
        echo "Error : Platform not found "
        showhelp
        exit 99
    fi

    case $TARGET_PLATFORM in

    bromolow)
        KERNEL_MAJOR="3"
        MODULE_ALIAS_FILE="modules.alias.3.json"
        ;;
    apollolake | broadwell | broadwellnk | v1000 | denverton | geminilake)
        KERNEL_MAJOR="4"
        MODULE_ALIAS_FILE="modules.alias.4.json"
        ;;
    esac

    if [ "${TARGET_PLATFORM}" = "apollolake" ]; then
        SYNOMODEL="ds918p_$TARGET_REVISION" && MODEL="DS918+"
    elif [ "${TARGET_PLATFORM}" = "bromolow" ]; then
        SYNOMODEL="ds3615xs_$TARGET_REVISION" && MODEL="DS3615xs"
    elif [ "${TARGET_PLATFORM}" = "broadwell" ]; then
        SYNOMODEL="ds3617xs_$TARGET_REVISION" && MODEL="DS3617xs"
    elif [ "${TARGET_PLATFORM}" = "broadwellnk" ]; then
        SYNOMODEL="ds3622xsp_$TARGET_REVISION" && MODEL="DS3622xs+"
    elif [ "${TARGET_PLATFORM}" = "v1000" ]; then
        SYNOMODEL="ds1621p_$TARGET_REVISION" && MODEL="DS1621+"
    elif [ "${TARGET_PLATFORM}" = "denverton" ]; then
        SYNOMODEL="dva3221_$TARGET_REVISION" && MODEL="DVA3221"
    elif [ "${TARGET_PLATFORM}" = "geminilake" ]; then
        SYNOMODEL="ds920p_$TARGET_REVISION" && MODEL="DS920+"
    fi

    #echo "Platform : $platform_selected"
    echo "Rploader Version : ${rploaderver}"
    echo "Loader source : $LD_SOURCE_URL Loader Branch : $LD_BRANCH "
    echo "Redpill module source : $LKM_SOURCE_URL : Redpill module branch : $LKM_BRANCH "
    echo "Extensions : $EXTENSIONS "
    echo "Extensions URL : $EXTENSIONS_SOURCE_URL"
    echo "TOOLKIT_URL : $TOOLKIT_URL"
    echo "TOOLKIT_SHA : $TOOLKIT_SHA"
    echo "SYNOKERNEL_URL : $SYNOKERNEL_URL"
    echo "SYNOKERNEL_SHA : $SYNOKERNEL_SHA"
    echo "COMPILE_METHOD : $COMPILE_METHOD"
    echo "TARGET_PLATFORM       : $TARGET_PLATFORM"
    echo "TARGET_VERSION    : $TARGET_VERSION"
    echo "TARGET_REVISION : $TARGET_REVISION"
    echo "REDPILL_LKM_MAKE_TARGET : $REDPILL_LKM_MAKE_TARGET"
    echo "KERNEL_MAJOR : $KERNEL_MAJOR"
    echo "MODULE_ALIAS_FILE :  $MODULE_ALIAS_FILE"
    echo "SYNOMODEL : $SYNOMODEL "
    echo "MODEL : $MODEL "
    echo "Local Cache Folder : $local_cache"
}

function matchpciidmodule() {

    vendor="$(echo $1 | sed 's/[a-z]/\U&/g')"
    device="$(echo $2 | sed 's/[a-z]/\U&/g')"

    pciid="${vendor}d0000${device}"

    #jq -e -r ".modules[] | select(.alias | test(\"(?i)${1}\")?) |   .name " modules.alias.json
    # Correction to work with tinycore jq
    matchedmodule=$(jq -e -r ".modules[] | select(.alias | contains(\"${pciid}\")?) | .name " $MODULE_ALIAS_FILE)

    # Call listextensions for extention matching

    echo "$matchedmodule"

    listextension $matchedmodule

}

function listpci() {

    lspci -n | while read line; do

        bus="$(echo $line | cut -c 1-7)"
        class="$(echo $line | cut -c 9-12)"
        vendor="$(echo $line | cut -c 15-18)"
        device="$(echo $line | cut -c 20-23)"

        #echo "PCI : $bus Class : $class Vendor: $vendor Device: $device"
        case $class in
        0100)
            echo "Found SCSI Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0106)
            echo "Found SATA Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0101)
            echo "Found IDE Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0107)
            echo "Found SAS Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0200)
            echo "Found Ethernet Interface : pciid ${vendor}d0000${device} Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0300)
            echo "Found VGA Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        0c04)
            echo "Found Fibre Channel Controller : pciid ${vendor}d0000${device}  Required Extension : $(matchpciidmodule ${vendor} ${device})"
            ;;
        esac
    done

}

function getmodulealiasjson() {

    echo "{"
    echo "\"modules\" : ["

    for module in $(ls *.ko); do
        if [ $(modinfo ./$module --field alias | grep -ie pci -ie usb | wc -l) -ge 1 ]; then
            for alias in $(modinfo ./$module --field alias | grep -ie pci -ie usb); do
                echo "{"
                echo "\"name\" :  \"${module}\"",
                echo "\"alias\" :  \"${alias}\""
                echo "}",
            done
        fi
        #       echo "},"
    done | sed '$ s/,//'

    echo "]"
    echo "}"

    #
    # To query alias for module run #cat n | jq '.modules[] | select(.alias | test ("8086d00001000")?) .name'
    # or cat modules.alias.json | jq '.modules[] | select(.alias | test("(?i)1000d00000030")?) |  .name'
    #
    #

}

function getmodaliasfile() {

    echo "{"
    echo "\"modules\" : ["

    grep -ie pci -ie usb /lib/modules/$(uname -r)/modules.alias | while read line; do

        read alias pciid module <<<"$line"
        echo "{"
        echo "\"name\" :  \"${module}\"",
        echo "\"alias\" :  \"${pciid}\""
        echo "}",
        #       echo "},"

    done | sed '$ s/,//'

    echo "]"
    echo "}"

}

function listmodules() {

    if [ ! -f $MODULE_ALIAS_FILE ]; then
        echo "Creating module alias json file"
        getmodaliasfile >modules.alias.4.json
    fi

    echo -n "Testing $MODULE_ALIAS_FILE -> "
    if $(jq '.' $MODULE_ALIAS_FILE >/dev/null); then
        echo "File OK"
        echo "------------------------------------------------------------------------------------------------"
        echo -e "It looks that you will need the following modules : \n\n"
        listpci
        echo "------------------------------------------------------------------------------------------------"
    else
        echo "Error : File $MODULE_ALIAS_FILE could not be parsed"
    fi

}

function listextension() {

    if [ ! -f rpext-index.json ]; then
        curl --progress-bar --location "${modextention}" --output rpext-index.json
    fi

    ## Get extension author rpext-index.json and then parse for extension download with :
    #       jq '. | select(.id | contains("vxge")) .url  ' rpext-index.json

    if [ ! -z $1 ]; then
        echo "Searching for matching extension for $1"
        matchingextension=($(jq ". | select(.id | contains(\"${1}\")) .url  " rpext-index.json))

        if [ ! -z $matchingextension ]; then
            echo "Found matching extension : "
            echo $matchingextension
            ./redpill-load/ext-manager.sh add "${matchingextension//\"/}"
        fi

        extensionslist+="${matchingextension} "
        #echo $extensionslist
    else
        echo "No matching extension"
    fi

}

function ext_manager() {

    local _SCRIPTNAME="${0}"
    local _ACTION="${1}"
    local _PLATFORM_VERSION="${2}"
    shift 2
    local _REDPILL_LOAD_SRC="/home/tc/redpill-load"
    export MRP_SRC_NAME="${_SCRIPTNAME} ${_ACTION} ${_PLATFORM_VERSION}"
    ${_REDPILL_LOAD_SRC}/ext-manager.sh $@
    exit $?

}

if [ $# -lt 2 ]; then
    showhelp
    exit 99
fi

case $1 in

download)
    getvars $2
    checkinternet
    gitdownload
    ;;

build)

    getvars $2
    checkinternet
    getlatestrploader
    gitdownload

    case $3 in

    compile)
        prepareforcompile
        if [ "$COMPILE_METHOD" = "toolkit_dev" ]; then
            gettoolchain
            compileredpill
            echo "Starting loader creation "
            buildloader
        else
            getsynokernel
            kernelprepare
            compileredpill
            echo "Starting loader creation "
            buildloader
        fi
        ;;

    static)
        echo "Using static compiled redpill extension"
        getstaticmodule
        echo "Got $REDPILL_MOD_NAME "
        listmodules
        echo "Starting loader creation "
        buildloader
        [ $? -eq 0 ] && savesession
        ;;

    manual)

        echo "Using static compiled redpill extension"
        getstaticmodule
        echo "Got $REDPILL_MOD_NAME "
        echo "Manual extension handling,skipping extension auto detection "
        echo "Starting loader creation "
        buildloader
        [ $? -eq 0 ] && savesession
        ;;

    *)
        echo "No extra build option specified, using default <static> "
        echo "Using static compiled redpill extension"
        getstaticmodule
        echo "Got $REDPILL_MOD_NAME "
        listmodules
        echo "Starting loader creation "
        buildloader
        [ $? -eq 0 ] && savesession
        ;;

    esac
    ;;

ext)
    getvars $2
    checkinternet
    gitdownload

    if [ "$3" = "auto" ]; then
        listmodules
    else
        ext_manager $@ # instead of listmodules
    fi
    ;;

restoresession)
    getvars $2
    checkinternet
    gitdownload
    restoresession
    ;;

clean)
    cleanloader
    ;;

update)
    checkinternet
    getlatestrploader
    ;;

listmods)
    getvars $2
    checkinternet
    gitdownload
    listmodules
    echo "$extensionslist"
    ;;

serialgen)
    serialgen $2
    ;;

interactive)
    if [ -f interactive.sh ]; then
        . ./interactive.sh
    else
        curl --location --progress-bar "https://gitee.com/gebi1/pocopico-tinycore-redpill/raw/main/interactive.sh" --output interactive.sh
        . ./interactive.sh
        exit 99
    fi
    ;;

identifyusb)
    usbidentify
    ;;

patchdtc)
    getvars $2
    checkinternet
    patchdtc
    ;;

satamap)
    satamap
    ;;

backup)
    backup
    ;;

backuploader)
    backuploader
    ;;

restoreloader)
    restoreloader
    ;;
postupdate)
    getvars $2
    checkinternet
    gitdownload
    getstaticmodule
    postupdate
    [ $? -eq 0 ] && savesession
    ;;

mountdsmroot)
    mountdsmroot
    ;;
fullupgrade)
    fullupgrade
    ;;

mountshare)
    mountshare
    ;;
installapache)
    installapache
    ;;
*)
    showhelp
    exit 99
    ;;

esac