skc.sh

#!/bin/bash

sbdir=''
certdir='/usr/local/share/efitools/'
bootdir='/boot'
kernelver=${2}
kernelsrc="/usr/src/linux-${kernelver}-gentoo"
vmzfile="/arch/x86_64/boot/bzImage"
bootfile="${bootdir}/kernel-signed-${kernelver}"
rebuildboot="yes"
bconfig="grub2-mkconfig"
bconfigfile="/boot/grub2/grub.cfg"

. /etc/conf.d/skc.conf

function sanityCheck() {

if [ -d "$kernelsrc" ]
then
        if [ -f $bootfile ]
        then
                echo -e "\nWARNING - BOOT OUTPUT FILE ( ${bootfile} ) ALREADY EXISTS. \nPLEASE APPEND NEW FILE ENDING ( ex _1 ) AT PROMPT OR [enter] TO OVERWRITE.\n"
                read newbootfile
        else
                newbootfile=""
        fi
        bootfile=${bootfile}${newbootfile}
        signKernel
else
        echo -e "\nWARNING - KERNEL SOURCE DIRECTORY ( ${kernelsrc} ) DOES NOT EXIST!\n"
fi

}

function signKernel() {

echo -e "\nSIGNING NEW KERNEL AND COPYING TO BOOT LOCATION\n"

${sbdir}sbsign --key ${certdir}DB.key --cert ${certdir}DB.crt --output ${bootfile} ${kernelsrc}/${vmzfile}

if [ $? -eq "0" ]
then
        if [ "${rebuildboot}" = "yes" ]
        then
                configBoot
        else
                echo "\nKERNEL IS INSTALLED AND READY TO BOOT!\n"
        fi
else
        echo -e "\nSBSIGN RETURNED AN ERROR!\n"
        exit 1
fi

}

function configBoot() {

echo -e "\nREBUILDING BOOT CONFIG FILE\n"

${bconfig} -o ${bconfigfile} 2>&1 |tee >/dev/null

if [ $? -eq "0" ]
then
        echo -e "\nKERNEL IS INSTALLED AND READY TO BOOT!\n"
fi

}

function helpMe() {

echo -e $"\nMain Function:\n   { --install $KNEREL_VER }\n\n"
echo -e "Options:   { --no-bconf } \n\n"
echo -e "EX: '${0} --install 3.10.2'\n"
echo -e "EX: '${0} --install 3.10.2 --no-bconf\n"

}

if [ "${1}" = "--install" ]
then
        if[ "${3}" = "--no-bconf" ]
        then
                rebuildboot="no"
        fi
        sanityCheck
else
        helpMe
fi