#!/bin/bash

SUDOER_PSW=

function restofscript(){
    USERNAMETOADD=
    PASSWORDTOADD=
    PUBKEYCONTENT=
    useradd -m -s /bin/bash ${USERNAMETOADD}
    echo "${USERNAMETOADD}:${PASSWORDTOADD}" | chpasswd
    loginctl enable-linger ${USERNAMETOADD}
    cd /home/${USERNAMETOADD}
    mkdir .ssh
    pushd .ssh
    pwd
    echo ${PUBKEYCONTENT} >> authorized_keys
    chmod 600 authorized_keys
    popd
    chown -R "${USERNAMETOADD}:${USERNAMETOADD}" .ssh
}

echo "${SUDOER_PSW}" | sudo -S bash -c "$(declare -f restofscript); restofscript"
exit