xrdp-installer-1.1.sh

#!/bin/bash
#####################################################################################################
# Script_Name : xrdp-installer-1.1.sh
# Description : Perform xRDP installation on Ubuntu 16.04,18.04,19.04,19.10 and perform
# additional post configuration to improve end user experience
# Date : November 2019
# written by : Griffon
# WebSite :http://www.c-nergy.be - http://www.c-nergy.be/blog
# Version : 1.1
# History : 1.1 - Tackling multiple run of the script
#               - Improved checkinstall method/check ssl group memberhsip
#               - Replaced ~/Downloads by a variable
# : 1.0 - Added remove option + Final optimization
# : 0.9 - updated compile section to use checkinstall
# : 0.8 - Updated the fix_theme function to add support for Ubuntu 16.04
# : 0.7 - Updated prereqs function to add support for Ubuntu 16.04
# : 0.6 - Adding logic to detect Ubuntu version for U16.04
# : 0.5 - Adding env variable Fix
# : 0.4 - Adding SSL Fix
# : 0.3 - Adding custom login screen option
# : 0.2 - Adding new code for passing parameters
# : 0.1 - Initial Script (merging custom & Std)
# Disclaimer : Script provided AS IS. Use it at your own risk....
# You can use this script and distribute it as long as credits are kept
# in place and unchanged
####################################################################################################

#--------------------------------------------------------------------------#
# -----------------------Function Section - DO NOT MODIFY -----------------#
#--------------------------------------------------------------------------#

############################################################################
# DEFAULT INSTALLATION MODE : STANDARD INSTALLATION
############################################################################

#---------------------------------------------------#
# Function 1 - check xserver-xorg-core package....
#---------------------------------------------------#

check_hwe() {
    echo
    /bin/echo -e "\e[1;33m |-| Detecting xserver-xorg-core package installed \e[0m"
    xorgver=$(dpkg-query -W -f ='${Status}\n' xserver-xorg-core | awk {'print $3'})

    if [[ "$xorgver" == *not-installed* ]]; then
        # - hwe version is installed on the system
        /bin/echo -e "\e[1;32m |-| xorg package version: xserver-xorg-core-hwe \e[0m"
        HWE="yes"
    else
        /bin/echo -e "\e[1;32m |-| xorg package version: xserver-xorg-core \e[0m"
        HWE="no"
    fi
}

#---------------------------------------------------#
# Function 2 - Install xRDP Software....
#---------------------------------------------------#

install_xrdp() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Installing XRDP Packages...Proceeding... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    if [[ $HWE == "yes" ]] && [[ "$version" == *"Ubuntu 18.04"* ]]; then
        sudo apt-get install xrdp -y
        sudo apt-get install xorgxrdp-hwe-18.04
    else
        sudo apt-get install xrdp -y
    fi
}

############################################################################
# ADVANCED INSTALLATION MODE : CUSTOM INSTALLATION
############################################################################

#---------------------------------------------------#
# Function 0 - Install Prereqs...
#---------------------------------------------------#

install_prereqs() {
    echo
    Release=$(lsb_release -sr)
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Installing PreReqs packages..Proceeding. ! \e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    sudo apt-get -y install libx11-dev libxfixes-dev libssl-dev libpam0g-dev libtool libjpeg-dev flex bison gettext autoconf libxml-parser-perl libfuse-dev xsltproc libxrandr-dev python-libxml2 nasm fuse pkg-config git intltool checkinstall
    echo
    if [ $HWE = "yes" ]; then
        # - xorg-hwe-* to be installed
        /bin/echo -e "\e[1;32m |-| xorg package version: xserver-xorg-core-hwe-$Release \e[0m"
        sudo apt-get install -y xserver-xorg-dev-hwe-$Release xserver-xorg-core-hwe-$Release
    else
        #-no-hwe
        /bin/echo -e "\e[1;32m |-| xorg package version: xserver-xorg-core \e[0m"
        echo
        sudo apt-get install -y xserver-xorg-dev xserver-xorg-core
    fi
}

#---------------------------------------------------#
# Function 1 - Download XRDP Binaries...
#---------------------------------------------------#
get_binaries() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Download xRDP Binaries.......Proceeding. ! \e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    #cd ~/Downloads
    Dwnload=$(xdg-user-dir DOWNLOAD)
    cd $Dwnload

    ## -- Download the xrdp latest files
    echo
    /bin/echo -e "\e[1;32m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;32m ! Preparing download xrdp package !\e[0m"
    /bin/echo -e "\e[1;32m !---------------------------------------------!\e[0m"
    echo
    git clone https://github.com/neutrinolabs/xrdp.git
    echo
    /bin/echo -e "\e[1;32m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;32m ! Preparing download xorgxrdp package !\e[0m"
    /bin/echo -e "\e[1;32m !---------------------------------------------!\e[0m"
    echo
    git clone https://github.com/neutrinolabs/xorgxrdp.git
}

#---------------------------------------------------#
# Function 2 - compiling xrdp...
#---------------------------------------------------#
compile_source() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Compile xRDP packages .......Proceeding. ! \e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    #cd ~/Downloads/xrdp
    cd $Dwnload/xrdp

    sudo ./bootstrap
    sudo ./configure --enable-fuse --enable-jpeg --enable-rfxcodec
    sudo make

    #-- check if no error during compilation
    if [ $? -eq 0 ]; then
        /bin/echo -e "\e[1;33m |-| Make Operation Completed successfully \e[0m"
    else
        echo
        echo
        /bin/echo -e "\e[1;31m !---------------------------------------------!\e[0m"
        /bin/echo -e "\e[1;31m ! Error while Executing make !\e[0m"
        /bin/echo -e "\e[1;31m ! The Script is exiting.... !\e[0m"
        /bin/echo -e "\e[1;31m !---------------------------------------------!\e[0m"
        exit
    fi
    sudo checkinstall --pkgname=xrdp --pkgversion=0.9.11 --pkgrelease=1 --default

    #xorgxrdp package compilation
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Compile xorgxrdp packages....Proceeding. ! \e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    #cd ~/Downloads/xorgxrdp
    cd $Dwnload/xorgxrdp

    sudo ./bootstrap
    sudo ./configure
    sudo make

    # check if no error during compilation
    if [ $? -eq 0 ]; then
        echo
        /bin/echo -e "\e[1;33m |-| Make Operation Completed successfully \e[0m"
        echo
    else
        echo
        /bin/echo -e "\e[1;31m !---------------------------------------------!\e[0m"
        /bin/echo -e "\e[1;31m ! Error while Executing make !\e[0m"
        /bin/echo -e "\e[1;31m ! The Script is exiting.... !\e[0m"
        /bin/echo -e "\e[1;31m !---------------------------------------------!\e[0m"
        exit
    fi
    sudo checkinstall --pkgname=xorgxrdp --pkgversion=0.2.11 --pkgrelease=1 --default
}

#---------------------------------------------------#
# Function 3 - create services ....
#---------------------------------------------------#
enable_service() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Creating xRDP services.......Proceeding. ! \e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    sudo systemctl daemon-reload
    sudo systemctl enable xrdp.service
    sudo systemctl enable xrdp-sesman.service
    sudo systemctl start xrdp

}

############################################################################
# COMMON FUNCTIONS - WHATEVER INSTALLATION MODE
############################################################################

#---------------------------------------------------#
# Function 0 - Install Gnome Tweak Tool....
#---------------------------------------------------#
install_tweak() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Installing Gnome Tweak...Proceeding... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    sudo apt-get install gnome-tweak-tool -y
}

#--------------------------------------------------------------------#
# Fucntion 1 - Allow console Access ....(seems optional in u18.04)
#--------------------------------------------------------------------#
allow_console() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Granting Console Access...Proceeding... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    sudo sed -i 's/allowed_users=console/allowed_users=anybody/' /etc/X11/Xwrapper.config
}

#---------------------------------------------------#
# Function 2 - create policies exceptions ....
#---------------------------------------------------#
create_polkit() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Creating Polkit File...Proceeding... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    #All Ubuntu version
    sudo bash -c "cat >/etc/polkit-1/localauthority/50-local.d/45-allow.colord.pkla" <<EOF
[Allow Colord all Users]
Identity=unix-user:*
Action=org.freedesktop.color-manager.create-device;org.freedesktop.color-manager.create-profile;org.freedesktop.color-manager.delete-device;org.freedesktop.color-manager.delete-profile;org.freedesktop.color-manager.modify-device;org.freedesktop.color-manager.modify-profile
ResultAny=no
ResultInactive=no
ResultActive=yes
EOF

    #Specific Versions
    if [[ "$version" == *"Ubuntu 19.04"* ]] || [[ "$version" == *"Ubuntu 19.10"* ]]; then
        sudo bash -c "cat >/etc/polkit-1/localauthority/50-local.d/46-allow-update-repo.pkla" <<EOF
[Allow Package Management all Users]
Identity=unix-user:*
Action=org.freedesktop.packagekit.system-sources-refresh
ResultAny=yes
ResultInactive=yes
ResultActive=yes
EOF
    fi
}

#---------------------------------------------------#
# Function 3 - Fixing Theme and Extensions ....
#---------------------------------------------------#
fix_theme() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Fix Theme and extensions...Proceeding... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"

    # Checking if script has run already
    if [ -f /etc/xrdp/startwm.sh.griffon ]; then
        sudo rm /etc/xrdp/startwm.sh
        sudo mv /etc/xrdp/startwm.sh.griffon /etc/xrdp/startwm.sh
    fi

    #Backup the file before modifying it
    sudo cp /etc/xrdp/startwm.sh /etc/xrdp/startwm.sh.griffon

    if [[ "$version" == *"Ubuntu 16.04"* ]]; then
        echo
        sudo sed -i "/# auth /a cat >~/.xsession << EOF\n#Unity Xrdp multi-users \n/usr/lib/gnome-session/gnome-session-binary --session=ubuntu &\n/usr/lib/x86_64-linux-gnu/unity/unity-panel-service &\n/usr/lib/unity-settings-daemon/unity-settings-daemon &\nfor indicator in /usr/lib/x86_64-linux-gnu/indicator-*;\ndo\nbasename='basename \\\\\${indicator}'\ndirname='dirname \\\\\${indicator}'\nservice=\\\\\${dirname}/\\\\\${basename}/\\\\\${basename}-service\n\\\\\${service} &\ndone\nunity\nEOF" /etc/xrdp/startwm.sh
        echo
    else
        echo
        sudo sed -i "4 a #Improved Look n Feel Method\ncat <<EOF > ~/.xsessionrc\nexport GNOME_SHELL_SESSION_MODE=ubuntu\nexport XDG_CURRENT_DESKTOP=ubuntu:GNOME\nexport XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg\nEOF\n" /etc/xrdp/startwm.sh
        echo
    fi
}

#---------------------------------------------------#
# Function 4 - Enable Sound Redirection ....
#---------------------------------------------------#
enable_sound() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Enabling Sound Redirection... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    # Step 1 - Enable Source Code Repository
    sudo apt-add-repository -s 'deb http://de.archive.ubuntu.com/ubuntu/ '$codename' main restricted'
    sudo apt-add-repository -s 'deb http://de.archive.ubuntu.com/ubuntu/ '$codename' restricted universe main multiverse'
    sudo apt-add-repository -s 'deb http://de.archive.ubuntu.com/ubuntu/ '$codename'-updates restricted universe main multiverse'
    sudo apt-add-repository -s 'deb http://de.archive.ubuntu.com/ubuntu/ '$codename'-backports main restricted universe multiverse'
    sudo apt-add-repository -s 'deb http://de.archive.ubuntu.com/ubuntu/ '$codename'-security main restricted universe main multiverse'
    sudo apt-get update

    # Step 2 - Install Some PreReqs
    sudo apt-get install git libpulse-dev autoconf m4 intltool build-essential dpkg-dev libtool libsndfile-dev libcap-dev -y
    sudo apt build-dep pulseaudio -y

    # Step 3 - Download pulseaudio source in /tmp directory - Do not forget to enable source repositories
    cd /tmp
    sudo apt source pulseaudio

    # Step 4 - Compile
    pulsever=$(pulseaudio --version | awk '{print $2}')
    cd /tmp/pulseaudio-$pulsever
    sudo ./configure

    # step 5 - Create xrdp sound modules
    sudo git clone https://github.com/neutrinolabs/pulseaudio-module-xrdp.git
    cd pulseaudio-module-xrdp
    sudo ./bootstrap
    sudo ./configure PULSE_DIR="/tmp/pulseaudio-$pulsever"
    sudo make

    #Step 6 copy files to correct location (as defined in /etc/xrdp/pulse/default.pa)
    cd /tmp/pulseaudio-$pulsever/pulseaudio-module-xrdp/src/.libs
    sudo install -t "/var/lib/xrdp-pulseaudio-installer" -D -m 644 *.so
    sudo install -t "/usr/lib/pulse-$pulsever/modules" -D -m 644 *.so
    echo

}

#---------------------------------------------------#
# Function 5 - Custom xRDP Login Screen ....
#---------------------------------------------------#
custom_login() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Customizing xRDP login screen !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo

    #cd ~/Downloads
    cd $Dwnload
    wget http://www.c-nergy.be/downloads/griffon_logo_xrdp.bmp

    #Check if script has run once...
    if [ -f /etc/xrdp/xrdp.ini.griffon ]; then
        sudo rm /etc/xrdp/xrdp.ini
        sudo mv /etc/xrdp/xrdp.ini.griffon /etc/xrdp/xrdp.ini
    fi

    #Backup file
    sudo cp /etc/xrdp/xrdp.ini /etc/xrdp/xrdp.ini.griffon

    if [[ "$adv" == "yes" ]] || [[ "$version" == *"Ubuntu 16.04"* ]]; then
        sudo cp griffon_logo_xrdp.bmp /usr/local/share/xrdp
        sudo sed -i 's/ls_logo_filename=/ls_logo_filename=\/usr\/local\/share\/xrdp\/griffon_logo_xrdp.bmp/g' /etc/xrdp/xrdp.ini
    else
        sudo cp griffon_logo_xrdp.bmp /usr/share/xrdp
        sudo sed -i 's/ls_logo_filename=/ls_logo_filename=\/usr\/share\/xrdp\/griffon_logo_xrdp.bmp/g' /etc/xrdp/xrdp.ini
    fi

    sudo sed -i 's/blue=009cb5/blue=dedede/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/#white=ffffff/white=dedede/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/#ls_title=My Login Title/ls_title=Remote Desktop for Linux/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/ls_top_window_bg_color=009cb5/ls_top_window_bg_color=2c001e/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/ls_bg_color=dedede/ls_bg_color=ffffff/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/ls_logo_x_pos=55/ls_logo_x_pos=0/' /etc/xrdp/xrdp.ini
    sudo sed -i 's/ls_logo_y_pos=50/ls_logo_y_pos=5/' /etc/xrdp/xrdp.ini
}

#---------------------------------------------------#
# Function 6 - Fix SSL Minor Issue ....
#---------------------------------------------------#
fix_ssl() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Fixing SSL Cert Issue ... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    if [[ "id -Gn xrdp | grep ssl-cert" ]]; then
        /bin/echo -e "\e[1;32m !--xrdp already member ssl-cert...Skipping ---!\e[0m"
    else
        sudo adduser xrdp ssl-cert
    fi
}

#---------------------------------------------------#
# Function 7 - Fixing env variables in XRDP ....
#---------------------------------------------------#
fix_env() {
    #Add this line to /etc/pam.d/xrdp-sesman if not present
    if grep -Fxq "session required pam_env.so readenv=1 user_readenv=0" /etc/pam.d/xrdp-sesman; then
        echo "Env settings already set"
    else
        sudo sed -i '1 a session required pam_env.so readenv=1 user_readenv=0' /etc/pam.d/xrdp-sesman
    fi
}

#---------------------------------------------------#
# Function 8 - Removing XRDP Packages ....
#---------------------------------------------------#
remove_xrdp() {
    echo
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;33m ! Removing xRDP Packages... !\e[0m"
    /bin/echo -e "\e[1;33m !---------------------------------------------!\e[0m"
    echo
    #remove xrdp package
    sudo systemctl stop xrdp
    sudo systemctl disable xrdp
    sudo apt-get autoremove xrdp -y
    sudo apt-get purge xrdp -y
    #remove xorgxrdp
    sudo systemctl stop xorgxrdp
    sudo systemctl disable xorgxrdp
    sudo apt-get autoremove xorgxrdp -y
    sudo apt-get purge xorgxrdp -y
}

sh_credits() {
    echo
    /bin/echo -e "\e[1;36m !----------------------------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;36m ! Installation Completed...Please test your xRDP configuration !\e[0m"
    /bin/echo -e "\e[1;36m ! If Sound option selected, shutdown your machine completely !\e[0m"
    /bin/echo -e "\e[1;36m ! start it again to have sound working as expected !\e[0m"
    /bin/echo -e "\e[1;36m ! !\e[0m"
    /bin/echo -e "\e[1;36m ! Credits : Written by Griffon - November 2019 !\e[0m"
    /bin/echo -e "\e[1;36m ! www.c-nergy.be -xrdp-installer-v1.1.sh - ver 1.1 !\e[0m"
    /bin/echo -e "\e[1;36m !----------------------------------------------------------------!\e[0m"
    echo
}

#---------------------------------------------------#
# SECTION FOR OPTIMIZING CODE USAGE... #
#---------------------------------------------------#

install_common() {
    allow_console
    create_polkit
    fix_theme
    fix_ssl
    fix_env
}

install_custom() {
    install_prereqs
    get_binaries
    compile_source
    enable_service

}

#--------------------------------------------------------------------------#
# -----------------------END Function Section -----------------#
#--------------------------------------------------------------------------#

#--------------------------------------------------------------------------#
#------------ MAIN SCRIPT SECTION -------------------#
#--------------------------------------------------------------------------#

#---------------------------------------------------#
# Script Version information Displayed #
#---------------------------------------------------#

echo
/bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
/bin/echo -e "\e[1;36m ! xrdp-installer-1.1 Script !\e[0m"
/bin/echo -e "\e[1;36m ! Support U16.04/18.04/19.04/19.10 !\e[0m"
/bin/echo -e "\e[1;36m ! Written by Griffon - November 2019 - www.c-nergy.be !\e[0m"
/bin/echo -e "\e[1;36m ! !\e[0m"
/bin/echo -e "\e[1;36m ! For Help and Syntax, type ./xrdp-installer-1.1.sh -h !\e[0m"
/bin/echo -e "\e[1;36m ! !\e[0m"
/bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
echo

#----------------------------------------------------------#
# Step 0 -Detecting if Parameters passed to script .... #
#----------------------------------------------------------#
for arg in "$@"; do
    #Help Menu Requested
    if [ "$arg" == "--help" ] || [ "$arg" == "-h" ]; then
        echo "Usage Syntax and Examples"
        echo
        echo " --custom or -c custom xRDP install (compilation from sources)"
        echo " --loginscreen or -l customize xRDP login screen"
        echo " --remove or -r removing xRDP packages"
        echo " --sound or -s enable sound redirection in xRDP"
        echo
        echo "example "
        echo
        echo " ./xrdp-installer-1.0.sh -c -s custom install with sound redirection"
        echo " ./xrdp-installer-1.0.sh -l standard install with custom login screen"
        echo " ./xrdp-installer-1.0.sh standard install no additional features"
        echo
        exit
    fi

    if [ "$arg" == "--sound" ] || [ "$arg" == "-s" ]; then
        fixSound="yes"
    fi

    if [ "$arg" == "--loginscreen" ] || [ "$arg" == "-l" ]; then
        fixlogin="yes"
    fi

    if [ "$arg" == "--custom" ] || [ "$arg" == "-c" ]; then
        adv="yes"
    fi

    if [ "$arg" == "--remove" ] || [ "$arg" == "-r" ]; then
        removal="yes"
    fi
done

#--------------------------------------------------------------------------------#
#-- Step 0 - Check that the script is run as normal user and not as root....
#-------------------------------------------------------------------------------#

if [[ $EUID -ne 0 ]]; then
    /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;36m ! Standard user detected....Proceeding.... !\e[0m"
    /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
else
    echo
    /bin/echo -e "\e[1;31m !-------------------------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;31m ! Script running with admin priveleges. The script should be !\e[0m"
    /bin/echo -e "\e[1;31m ! run under a standard user account. sudo privileges will be !\e[0m"
    /bin/echo -e "\e[1;31m ! prompted during execution !\e[0m"
    /bin/echo -e "\e[1;31m !-------------------------------------------------------------!\e[0m"
    echo
    sh_credits
    exit
fi

#-----------------------------------------------------------------------
#Step 2 - checking for additional Settings - xorg-xserver-core version
#----------------------------------------------------------------------

check_hwe

#---------------------------------------------------#
#-- Step 1 - Try to Detect Ubuntu Version....
#---------------------------------------------------#

version=$(lsb_release -sd)
codename=$(lsb_release -sc)

echo
/bin/echo -e "\e[1;33m |-| Detecting Ubuntu version \e[0m"
if [[ "$version" == *"Ubuntu 16.04"* ]]; then
    /bin/echo -e "\e[1;32m |-| Ubuntu Version : $version\e[0m"
    echo
elif [[ "$version" == *"Ubuntu 18.04"* ]]; then
    /bin/echo -e "\e[1;32m |-| Ubuntu Version : $version\e[0m"
    echo
elif [[ "$version" == *"Ubuntu 19.04"* ]]; then
    /bin/echo -e "\e[1;32m |-| Ubuntu Version : $version\e[0m"
    echo
elif [[ "$version" == *"Ubuntu 19.10"* ]]; then
    /bin/echo -e "\e[1;32m |-| Ubuntu Version : $version\e[0m"
    echo
else
    /bin/echo -e "\e[1;31m !--------------------------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;31m ! Your system is not running a supported version !\e[0m"
    /bin/echo -e "\e[1;31m ! The script has been tested only on the following versions !\e[0m"
    /bin/echo -e "\e[1;31m ! U16.04.x/18.04.x/19.04.x/19.10 !\e[0m"
    /bin/echo -e "\e[1;31m ! The script is exiting... !\e[0m"
    /bin/echo -e "\e[1;31m !--------------------------------------------------------------!\e[0m"
    echo
    exit
fi

#--------------------------------------------------------------------------------#
#-- Step 3 - Check if Removal Option Selected
#--------------------------------------------------------------------------------#

if [ "$removal" = "yes" ]; then
    remove_xrdp
    echo
    sh_credits
    exit
fi

#---------------------------------------------------------#
# Step 3 - Executing the installation & config tasks .... #
#---------------------------------------------------------#

#-------------------------------------------------------------------
#- If Ubuntu 16.04 detected, we always perform a custom installation
#-------------------------------------------------------------------

#Check if script has run once...
if [ -f /etc/xrdp/xrdp-installer-check.log ]; then
    echo
    /bin/echo -e "\e[1;36m !----------------------------------------------------------------!\e[0m"
    /bin/echo -e "\e[1;36m ! INFO : xrdp-install script ran at least once on this computer. !\e[0m"
    /bin/echo -e "\e[1;36m !----------------------------------------------------------------!\e[0m"
else
    if [[ "$version" == *"Ubuntu 16.04"* ]]; then
        echo
        /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
        /bin/echo -e "\e[1;36m ! Custom Installation for Ubuntu 16.04.x !\e[0m"
        /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
        echo
        install_custom
        install_common
    fi

    #---------------------------------------------------------------------------------------
    #- If custom option detected, additional check for U16.04 so skipped
    #----------------------------------------------------------------------------------------

    if [[ "$version" != *"Ubuntu 16.04"* ]]; then
        if [ "$adv" = "yes" ]; then
            echo
            /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
            /bin/echo -e "\e[1;36m ! Custom Installation Option Selected..... !\e[0m"
            /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
            echo
            install_custom
            install_tweak
            install_common
        else
            echo
            /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
            /bin/echo -e "\e[1;36m ! Standard Installation Mode Selected - U18.04 and later !\e[0m"
            /bin/echo -e "\e[1;36m !-------------------------------------------------------------!\e[0m"
            echo
            install_xrdp
            install_tweak
            install_common

        fi #end if Adv option
    fi # end if version check not like U16.04
fi # End check if file exists
#---------------------------------------------------------------------------------------
#- Check for Additional Options selected
#----------------------------------------------------------------------------------------

if [ "$fixSound" = "yes" ]; then
    enable_sound
fi

if [ "$fixlogin" = "yes" ]; then
    echo
    custom_login
fi

#-----------------------------------------------------------------------
# Create Check fil to see if script has run at least once...
#----------------------------------------------------------------------
#Create the log file
sudo touch /etc/xrdp/xrdp-installer-check.log

#---------------------------------------------------------------------------------------
#- show Credits and finishing script
#---------------------------------------------------------------------------------------

sh_credits