#!/bin/bash

SUDOER_PSW=

function restofscript(){
    USERNAMETOADD=
    PASSWORDTOADD=
    echo "hello, $(whoami)"
    useradd -m -s /bin/bash ${USERNAMETOADD}
    echo "user added"
    echo "${USERNAMETOADD}:${PASSWORDTOADD}" | chpasswd
    echo "password updated"
    loginctl enable-linger ${USERNAMETOADD}
    echo "linger enabled"
    mkdir /home/${USERNAMETOADD}/.ssh
    echo "user has .ssh/"
    touch /home/${USERNAMETOADD}/authorized_keys
    echo "user has .ssh/authorized keys"
    cat ssh.pub >> /home/${USERNAMETOADD}/.ssh/authorized_keys
    echo "authorized keys should accept ssh.pub"
    chmod 600 /home/${USERNAMETOADD}/authorized_keys
    echo "authorized keys should be mode 600"
    chown -R "${USERNAMETOADD}:${USERNAMETOADD}" /home/${USERNAMETOADD}/.ssh
    echo "correct user should own his .ssh directory. done!"
}

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