#!/bin/sh
#
# Copyright 1994, 1998, 1999  Patrick Volkerding, Moorhead, Minnesota USA
# Copyright 2002, 2003  Slackware Linux, Inc, Concord, CA
# Copyright 2007, 2008, 2011, 2013, 2018, 2020, 2024  Patrick Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
TMP=/var/log/setup/tmp
CONSOLETYPE=standard
unset UTFVT

# Most of the time LILO is not used on UEFI machines (in fact, it is useless
# unless the machine is running in legacy BIOS mode). So, we'll detect if
# this is a machine running UEFI and suggest skipping LILO installation.
# We'll still allow it if the user wants it, though. It won't hurt anything,
# and might be useful for booting in Legacy BIOS mode later.
if [ -d /sys/firmware/efi ]; then
  dialog --title "UEFI FIRMWARE DETECTED" \
--backtitle "LILO (Linux Loader) installation" \
--menu \
"Since LILO (the traditional Linux Loader) does not work with machines \
running UEFI firmware (except in Legacy BIOS mode), you probably do not \
need to install it. Instead, you'll need ELILO, which is a version of \
LILO designed to work with EFI/UEFI systems." \
12 70 2 \
"skip" "Skip installing LILO and proceed to ELILO installation" \
"install" "Install LILO anyway" 2> $TMP/reply
 if [ $? = 1 -o $? = 255 ]; then
  exit
 fi
 REPLY="$(cat $TMP/reply)"
 rm -f $TMP/reply
 if [ "$REPLY" = "skip" ]; then
   exit
 fi
fi

# Set the OS root directory (called T_PX for some unknown reason).
# If an argument is given to this script and it is a directory, it
# is taken to be the root directory. First though, we check for a
# directory named $T_PX, and that gets the first priority.
if [ ! -d "$T_PX" ]; then
  if [ ! "$1" = "" ]; then
    if [ -d "$1" ]; then
      T_PX="$1"
    fi
  else
    # Are we on the installer image?
    if [ -r /usr/lib/setup/SeTpartitions ]; then
      T_PX=/mnt
    # Or, are we on a running system?
    elif [ -r /etc/slackware-version ]; then
      T_PX=/
    # One more installer-likely thing:
    elif [ -r /usr/lib/setup/setup ]; then
      T_PX=/mnt
    else
      # We will have to assume we're on an installed and running system.
      T_PX=/
    fi
  fi
fi

# If os-prober is availible, we will use it to filter out unbootable
# FAT/NTFS partitions. If it is not availble, we'll use /bin/true
# instead to avoid filtering.
if which os-prober > /dev/null ; then
  OSPROBER=os-prober
else
  OSPROBER=true
fi

# Determine LILO documentation directory:
LILODOCDIR="$(ls -d $T_PX/usr/doc/lilo-* 2> /dev/null | tail -n 1)"
if [ ! -d "$LILODOCDIR" ]; then
  LILODOCDIR="/usr/doc/lilo/"
fi

# If there's no boot_message.txt, start the header for one now:
if [ ! -r $T_PX/boot/boot_message.txt ]; then
 cat << EOF > $T_PX/boot/boot_message.txt

Welcome to the LILO Boot Loader!

Please enter the name of the partition you would like to boot
at the prompt below. The choices are:

EOF
fi

# The default install location may be set here:
DEFAULT=" --default-item MBR "

# This is a different 'probe' than the function below.
PROBE() {
  if [ -x /sbin/probe ]; then
    /sbin/probe -c
  else # use fdisk directly:
    fdisk -l 2> /dev/null | sed -e "s/Linux filesystem/Linux/g"
  fi
}

# Function to ask if the Slackware logo boot screen should be used.
ask_boot_splash() {
  dialog --title "OPTIONAL SLACKWARE LOGO BOOT SCREEN" \
  --yesno \
"Would you like to use a boot screen with the Slackware logo \
against a black background? If you answer no here, the standard \
LILO menu will be used.\n\
" 7 65 2> $TMP/reply
  RETVAL=$?
  return $RETVAL
}

boot_bmp() {
  cat << EO_BMP
# Boot BMP Image.
# Bitmap in BMP format: 640x480x8
  bitmap = /boot/slack.bmp
# Menu colors (foreground, background, shadow, highlighted
# foreground, highlighted background, highlighted shadow):
  bmp-colors = 255,0,255,0,255,0
# Location of the option table: location x, location y, number of
# columns, lines per column (max 15), "spill" (this is how many
# entries must be in the first column before the next begins to
# be used. We don't specify it here, as there's just one column.
  bmp-table = 60,6,1,16
# Timer location x, timer location y, foreground color,
# background color, shadow color.
  bmp-timer = 65,27,0,255
EO_BMP
}

# Menu to check if we want to use VESA framebuffer support:
use_framebuffer() {
if cat /proc/devices | grep "29 fb" 1> /dev/null ; then
  dialog --title "CONFIGURE LILO TO USE FRAME BUFFER CONSOLE?" \
  --default-item standard \
  --menu "Looking at /proc/devices, it seems your kernel has support for \
the VESA frame buffer console. If we enable this in /etc/lilo.conf, it \
will allow more rows and columns of text on the screen and give you a cool \
penguin logo at boot time. However, the frame buffer text console is \
slower than a standard text console. In addition, not every video card \
or monitor supports all of these video modes, and some X drivers could be \
confused by them. Would you like to use the frame buffer console, \
or the standard Linux console?" 0 0 0 \
  "standard" "Use the standard Linux console (the safe choice)" \
  "ask" "Ask about using VESA modes at boot; time out to standard" \
  "640x480x64k" "Frame buffer console, 640x480x64k" \
  "800x600x64k" "Frame buffer console, 800x600x64k" \
  "1024x768x64k" "Frame buffer console, 1024x768x64k" \
  "640x480x32k" "Frame buffer console, 640x480x32k" \
  "800x600x32k" "Frame buffer console, 800x600x32k" \
  "1024x768x32k" "Frame buffer console, 1024x768x32k" \
  "640x480x256" "Frame buffer console, 640x480x256" \
  "800x600x256" "Frame buffer console, 800x600x256" \
  "1024x768x256" "Frame buffer console, 1024x768x256" \
  2> $TMP/reply
  if [ $? = 1 -o $? = 255 ]; then
    exit
  fi
# Frame buffer modes above 1024x768 look terrible except
# on LCD panels, and 32 bit color is slow. Since we don't
# even need to run a framebuffer console to run framebuffer
# X anymore, these modes aren't of much real use.
#  "1280x1024x256" "Frame buffer console, 1280x1024x256" \
#  "1600x1200x256" "Frame buffer console, 1600x1200x256" \
#  "1280x1024x32k" "Frame buffer console, 1280x1024x32k" \
#  "1600x1200x32k" "Frame buffer console, 1600x1200x32k" \
#  "1280x1024x64k" "Frame buffer console, 1280x1024x64k" \
#  "1600x1200x64k" "Frame buffer console, 1600x1200x64k" \
#  "640x480x16m" "Frame buffer console, 640x480x16.8m" \
#  "800x600x16m" "Frame buffer console, 800x600x16.8m" \
#  "1024x768x16m" "Frame buffer console, 1024x768x16.8m" \
#  "1280x1024x16m" "Frame buffer console, 1280x1024x16.8m" \
#  "1600x1200x16m" "Frame buffer console, 1600x1200x16.8m"
  CONSOLETYPE="$(cat $TMP/reply)"
  if [ "$CONSOLETYPE" = "1600x1200x16m" ]; then
    CONSOLENUM=799
  elif [ "$CONSOLETYPE" = "1600x1200x64k" ]; then
    CONSOLENUM=798
  elif [ "$CONSOLETYPE" = "1600x1200x32k" ]; then
    CONSOLENUM=797
  elif [ "$CONSOLETYPE" = "1600x1200x256" ]; then
    CONSOLENUM=796
  elif [ "$CONSOLETYPE" = "1280x1024x16m" ]; then
    CONSOLENUM=795
  elif [ "$CONSOLETYPE" = "1280x1024x64k" ]; then
    CONSOLENUM=794
  elif [ "$CONSOLETYPE" = "1280x1024x32k" ]; then
    CONSOLENUM=793
  elif [ "$CONSOLETYPE" = "1280x1024x256" ]; then
    CONSOLENUM=775
  elif [ "$CONSOLETYPE" = "1024x768x16m" ]; then
    CONSOLENUM=792
  elif [ "$CONSOLETYPE" = "1024x768x64k" ]; then
    CONSOLENUM=791
  elif [ "$CONSOLETYPE" = "1024x768x32k" ]; then
    CONSOLENUM=790
  elif [ "$CONSOLETYPE" = "1024x768x256" ]; then
    CONSOLENUM=773
  elif [ "$CONSOLETYPE" = "800x600x16m" ]; then
    CONSOLENUM=789
  elif [ "$CONSOLETYPE" = "800x600x64k" ]; then
    CONSOLENUM=788
  elif [ "$CONSOLETYPE" = "800x600x32k" ]; then
    CONSOLENUM=787
  elif [ "$CONSOLETYPE" = "800x600x256" ]; then
    CONSOLENUM=771
  elif [ "$CONSOLETYPE" = "640x480x16m" ]; then
    CONSOLENUM=786
  elif [ "$CONSOLETYPE" = "640x480x64k" ]; then
    CONSOLENUM=785
  elif [ "$CONSOLETYPE" = "640x480x32k" ]; then
    CONSOLENUM=784
  elif [ "$CONSOLETYPE" = "640x480x256" ]; then
    CONSOLENUM=769
  fi
fi
}

# A function to ask for append= parameters. 
ask_append() {
 dialog --title "OPTIONAL LILO append=\"<kernel parameters>\" LINE" --inputbox \
"Some systems might require extra parameters to be passed to the kernel. \
If you needed to pass parameters to the kernel when you booted the Slackware \
bootdisk, you'll probably want to enter the same ones here. Most \
systems won't require any extra parameters. If you don't need any, just \
hit ENTER to continue.\n\
" 12 72 2> $TMP/reply
 RETVAL=$?
 return $RETVAL
}

# This function scans for bootable partitions (making some assumptions along
# the way which may or may not be correct, but usually work), and sets up
# LILO in either the superblock, or the MBR.
simplelilo()
{
 use_framebuffer;

 ask_append;
 if [ $? = 1 -o $? = 255 ]; then
  APPEND=""
 fi
 APPEND="$(cat $TMP/reply)"

 # If we got here, we either don't have boot manager or don't want to use it
 # Note 3/2018: or OS/2 Boot Manager cruft was removed ;-)
 dialog --title "SELECT LILO DESTINATION" $DEFAULT --menu \
"LILO can be installed to a variety of places:\n\
\n\
  1. The superblock of your root Linux partition. (which could\n\
     be made the bootable partition with Windows or Linux fdisk, or\n\
     booted with a program like OS/2 Boot Manager)\n\
  2. A formatted floppy disk.\n\
  3. The Master Boot Record of your first hard drive.\n\
\n\
Options 1 and 2 are the safest, but option 1 does require a little\n\
extra work later (setting the partition bootable with fdisk).\n\
Which option would you like?" \
 20 72 3 \
 "Root" "Install to superblock (not for use with XFS)" \
 "Floppy" "Install to a formatted floppy in /dev/fd0 (A:)" \
 "MBR" "Install to Master Boot Record" \
 2> $TMP/reply
 if [ $? = 1 -o $? = 255 ]; then
  exit
 fi
 TG="$(cat $TMP/reply)"
 rm -r $TMP/reply
 dialog --infobox "\nScanning partitions and generating /etc/lilo.conf..." 5 57
 sleep 1
 if [ "$TG" = "MBR" ]; then
  MBR_TARGET=/dev/sda
  echo $MBR_TARGET > $TMP/LILOMBR
  cat /proc/partitions | while read LINE ; do
   MAJOR="$(echo $LINE | cut -f 1 -d ' ')"
   MINOR="$(echo $LINE | cut -f 2 -d ' ')"
   if [ ! "$MINOR" = "0" -a ! "$MINOR" = "64" ]; then # ignore whole devices to weed out CD drives
    if [ "$MAJOR" = "3" ]; then
     MBR_TARGET=/dev/hda
     echo $MBR_TARGET > $TMP/LILOMBR
    elif [ "$MAJOR" = "22" -a ! "$MBR_TARGET" = "/dev/hda" ]; then
     MBR_TARGET=/dev/hdc
     echo $MBR_TARGET > $TMP/LILOMBR
    elif [ "$MAJOR" = "33" -a ! "$MBR_TARGET" = "/dev/hda" -a ! "$MBR_TARGET" = "/dev/hdc" ]; then
     MBR_TARGET=/dev/hde
     echo $MBR_TARGET > $TMP/LILOMBR
    elif [ "$MAJOR" = "34" -a ! "$MBR_TARGET" = "/dev/hda" -a ! "$MBR_TARGET" = "/dev/hdc" -a ! "$MBR_TARGET" = "/dev/hde" ]; then
     MBR_TARGET=/dev/hdg
     echo $MBR_TARGET > $TMP/LILOMBR
    elif [ "$MAJOR" = "259" -a ! "$MBR_TARGET" = "/dev/hda" -a ! "$MBR_TARGET" = "/dev/hdc" -a ! "$MBR_TARGET" = "/dev/hde" -a ! "$MBR_TARGET" = "/dev/hdg" ]; then
     if [ "$(echo $LINE | cut -f 4 -d ' ' | cut -b 1-4)" = "nvme" ]; then
      MBR_TARGET="/dev/$(echo $LINE | cut -f 4 -d ' ' | cut -f 1 -d p)"
      echo $MBR_TARGET > $TMP/LILOMBR
     fi
    fi
    if dmidecode 2> /dev/null | grep -q QEMU 2> /dev/null ; then
     if [ -r /dev/vda ]; then
       MBR_TARGET=/dev/vda
       echo $MBR_TARGET > $TMP/LILOMBR
     fi
    fi
   fi
  done
  LILO_TARGET=$(cat $TMP/LILOMBR)
 elif [ "$TG" = "Root" ]; then
  LILO_TARGET=$(echo $ROOT_DEVICE)
 elif [ "$TG" = "Floppy" ]; then
  LILO_TARGET="/dev/fd0"
 fi
 cat << EOF > $T_PX/etc/lilo.conf
# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
EOF
 #if [ ! "$APPEND" = "" -o ! "$UTFVT" = "" ]; then
  echo "# Append any additional kernel parameters:" >> $T_PX/etc/lilo.conf
  echo "append=\"$APPEND $UTFVT\"" >> $T_PX/etc/lilo.conf
  echo >> $T_PX/etc/lilo.conf
 #fi

 if echo $LILO_TARGET | grep -q vda 2>/dev/null ; then
  echo "disk = /dev/vda bios=0x80 max-partitions=7" >> $T_PX/etc/lilo.conf
 fi
 cat << EOF >> $T_PX/etc/lilo.conf
boot = $LILO_TARGET
# This option loads the kernel and initrd much faster:
compact

# Boot BMP Image.
# Bitmap in BMP format: 640x480x8
  bitmap = /boot/slack.bmp
# Menu colors (foreground, background, shadow, highlighted
# foreground, highlighted background, highlighted shadow):
  bmp-colors = 255,0,255,0,255,0
# Location of the option table: location x, location y, number of
# columns, lines per column (max 15), "spill" (this is how many
# entries must be in the first column before the next begins to
# be used. We don't specify it here, as there's just one column.
  bmp-table = 60,6,1,16
# Timer location x, timer location y, foreground color,
# background color, shadow color.
  bmp-timer = 65,27,0,255

# Standard menu.
# Or, you can comment out the bitmap menu above and 
# use a boot message with the standard menu:
#message = /boot/boot_message.txt

# Wait until the timeout to boot (if commented out, boot the
# first entry immediately):
prompt
# Timeout before the first entry boots.
# This is given in tenths of a second, so 600 for every minute:
timeout = 1200
# Override dangerous defaults that rewrite the partition table:
change-rules
  reset
EOF
 if [ $CONSOLETYPE = standard ]; then
   cat << EOF >> $T_PX/etc/lilo.conf
# Normal VGA console
vga = normal
# Ask for video mode at boot (time out to normal in 30s)
#vga = ask
EOF
 elif [ $CONSOLETYPE = ask ]; then
   cat << EOF >> $T_PX/etc/lilo.conf
# Ask for video mode at boot (time out to normal in 30s)
vga = ask
# Normal VGA console
#vga = normal
EOF
 else
   cat << EOF >> $T_PX/etc/lilo.conf
# VESA framebuffer console @ $CONSOLETYPE
vga = $CONSOLENUM
# Normal VGA console
#vga = normal
# Ask for video mode at boot (time out to normal in 30s)
#vga = ask
EOF
 fi
cat << EOF >> $T_PX/etc/lilo.conf
# VESA framebuffer console @ 1024x768x64k
#vga=791
# VESA framebuffer console @ 1024x768x32k
#vga=790
# VESA framebuffer console @ 1024x768x256
#vga=773
# VESA framebuffer console @ 800x600x64k
#vga=788
# VESA framebuffer console @ 800x600x32k
#vga=787
# VESA framebuffer console @ 800x600x256
#vga=771
# VESA framebuffer console @ 640x480x64k
#vga=785
# VESA framebuffer console @ 640x480x32k
#vga=784
# VESA framebuffer console @ 640x480x256
#vga=769
EOF
cat << EOF >> $T_PX/etc/lilo.conf
# End LILO global section
EOF
 # OK, now let's look for Windows partitions:
 # If we have os-prober, use the Windows partition list from that:
 if which os-prober > /dev/null ; then
  DOSP="$(os-prober 2> /dev/null | grep :Windows: | cut -f 1 -d :)"
 else # use PROBE output:
  DOSP="$(PROBE -l | grep "DOS
Win
W95
FAT12
FAT16
HPFS" | grep -v "Ext'd" | grep -v "Extend" | sort )"
  DOSP="$(echo $DOSP | cut -f 1 -d ' ')"
 fi
 if [ ! "$DOSP" = "" ]; then
  TABLE="$(echo $DOSP | cut -b1-8)"
  cat << EOF >> $T_PX/etc/lilo.conf
# Windows bootable partition config begins
other = $DOSP
  label = Windows
  table = $TABLE
# Windows bootable partition config ends
EOF
  echo "Windows  -  (Windows FAT/NTFS partition)" >> $T_PX/boot/boot_message.txt
 fi
 # Next, we search for Linux partitions:
 LNXP="$(PROBE -l | grep "Linux$")" 
 LNXP="$(echo $LNXP | cut -f 1 -d ' ' | sort)"
 if [ ! "$LNXP" = "" ]; then

  if [ -z "$INITRD" ]; then
   cat << EOF >> $T_PX/etc/lilo.conf
# Linux bootable partition config begins
image = $KERNEL
  root = $ROOT_DEVICE
  label = Linux
  read-only  # Partitions should be mounted read-only for checking
# Linux bootable partition config ends
EOF
  else
   cat << EOF >> $T_PX/etc/lilo.conf
# Linux bootable partition config begins
image = $KERNEL
  initrd = $INITRD
  root = $ROOT_DEVICE
  label = Linux
  read-only  # Partitions should be mounted read-only for checking
# Linux bootable partition config ends
EOF
  fi

  echo "Linux    -  (Linux partition)" >> $T_PX/boot/boot_message.txt
 fi
# DEAD CODE, BUT IN CASE OS/2 MAKES A COMEBACK!
# # OK, hopefully we can remember how to deal with OS/2 :^)
# OS2P="$(PROBE -l | grep "HPFS")"
# OS2P="$(echo $OS2P | cut -f 1 -d ' ' | sort)"
# if [ ! "$OS2P" = "" ]; then
#  TABLE="$(echo $OS2P | cut -b1-8)"
#  if [ "$TABLE" = "/dev/hda" ]; then
#   cat << EOF >> $T_PX/etc/lilo.conf
## OS/2 bootable partition config begins
#other = $OS2P
#  label = OS2
#  table = $TABLE
## OS/2 bootable partition config ends
#EOF
#  else
#    cat << EOF >> $T_PX/etc/lilo.conf
## OS/2 bootable partition config begins
#other = $OS2P
#  label = OS2
#  table = $TABLE
#  loader = /boot/os2_d.b
##  map-drive = 0x80
##   to = 0x81
##  map-drive = 0x81
##   to = 0x80
## OS/2 bootable partition config ends
#EOF
#   echo "OS2     - OS/2 Warp (HPFS partition)" >> $T_PX/boot/boot_message.txt
#  fi
# fi
 echo >> $T_PX/boot/boot_message.txt
 # Done, now we must install lilo:
 installcolor;
}

checkp_text()
{
 if [ ! -r $1 ]; then
  echo
  echo "I can't find a device named '$1'!"
  echo
  echo -n "Are you sure you want to use this device name [y]es, [n]o? "
  read use_device;
  if [ ! "$use_device" = "y" ]; then
   return 1;
  fi
  return 0;
 fi
}

checkp_dialog()
{
 if [ ! -r $1 ]; then
  dialog --title "DEVICE FILE NOT FOUND" --yesno "I can't find a \
device named '$1'. Are you sure you want to use this device \
name?" 7 60
  return $?;
 fi
}

checkbootsplash()
{
 if [ "$(uname -m)" = "x86_64" ]; then
  if [ -r $LILODOCDIR/sample/slack64.bmp ]; then
   cp -a $LILODOCDIR/sample/slack64.bmp /boot/slack.bmp
  fi
 else
  if [ -r $LILODOCDIR/sample/slack.bmp ]; then
   cp -a $LILODOCDIR/sample/slack.bmp /boot/slack.bmp
  fi
 fi
 if [ -r $HOME/1337 ]; then
  if [ -r $LILODOCDIR/sample/sl1337.bmp ]; then
   cp -a $LILODOCDIR/sample/sl1337.bmp /boot/slack.bmp
  fi
 fi
 # Mayan calendar easter egg
 if [ "$(date "+%Y%m%d")" = "20121221" ]; then
  if [ -r $LILODOCDIR/sample/slack14.0.2012.bmp ]; then
   cp -a $LILODOCDIR/sample/slack14.0.2012.bmp /boot/slack.bmp
  fi
 fi
}

installcolor()
{
 checkbootsplash;
 dialog --infobox "\nInstalling the Linux Loader..." 5 35
 if [ "$T_PX" = "/" ]; then
  lilo 1> /dev/null 2> /etc/lilo-error.$$
  SUCCESS=$?
 else
  lilo -r $T_PX -m /boot/map -C /etc/lilo.conf 1> /dev/null 2> /etc/lilo-error.$$
  SUCCESS=$?
 fi
 if [ ! "$SUCCESS" = "0" ]; then # edit file to try lba32 mode:
  cat $T_PX/etc/lilo.conf | while read line ; do
   echo $line
   if [ "$line" = "# Start LILO global section" ] ; then
     echo "lba32 # Allow booting past 1024th cylinder with a recent BIOS"
   fi
  done > $T_PX/etc/lilo.conf.lba32
  mv $T_PX/etc/lilo.conf.lba32 $T_PX/etc/lilo.conf
  if [ "$T_PX" = "/" ]; then
   lilo 1> /dev/null 2> /etc/lilo-error.$$
   SUCCESS=$?
  else
   lilo -r $T_PX -m /boot/map -C /etc/lilo.conf 1> /dev/null 2> /etc/lilo-error.$$
   SUCCESS=$?
  fi
 fi
 sleep 1
 if [ ! "$SUCCESS" = "0" ]; then # some LILO error occured
  echo >> /etc/lilo-error.$$
cat << EOF >> /etc/lilo-error.$$
Sorry, but the attempt to install LILO has returned an error, so LILO \
has not been correctly installed. You'll have to use a bootdisk \
to start your \
machine instead. It should still be possible to get LILO working by \
editing the /etc/lilo.conf and reinstalling LILO manually. See the \
LILO man page and documentation in $LILODOCDIR for more help. \
The error message may be seen above.
EOF
  dialog --msgbox "$(cat /etc/lilo-error.$$)" 0 0
 fi
}

installtext()
{
 checkbootsplash;
 echo "Installing the Linux Loader..."
 if [ "$T_PX" = "/" ]; then
  lilo
  SUCCESS=$?
 else
  lilo -r $T_PX -m /boot/map -C /etc/lilo.conf
  SUCCESS=$?
 fi
 if [ ! "$SUCCESS" = "0" ]; then # try lba32 mode:
  cat $T_PX/etc/lilo.conf | while read line ; do
   echo $line
   if [ "$line" = "# Start LILO global section" ] ; then
     echo "lba32 # Allow booting past 1024th cylinder with a recent BIOS"
   fi
  done > $T_PX/etc/lilo.conf.lba32
  mv $T_PX/etc/lilo.conf.lba32 $T_PX/etc/lilo.conf
  if [ "$T_PX" = "/" ]; then
   lilo 1> /dev/null 2> /dev/null
   SUCCESS=$?
  else
   lilo -r $T_PX -m /boot/map -C /etc/lilo.conf 1> /dev/null 2> /dev/null
   SUCCESS=$?
  fi
 fi
 sleep 1
 if [ ! "$SUCCESS" = "0" ]; then # some LILO error occured
  cat << EOF

LILO INSTALL ERROR # $SUCCESS

Sorry, but the attempt to install LILO has returned an error, so LILO
has not been correctly installed. You'll have to use a bootdisk to
start your machine instead. It should still be possible to get LILO
working by editing the /etc/lilo.conf and reinstalling LILO manually.
See the LILO man page and documentation in $LILODOCDIR for more
help.

EOF
 fi
}

# 'probe()' borrowed from LILO QuickInst.
probe()
{
 [ ! -z "$(dd if=$1 bs=1 count=1 2>/dev/null | tr '\0' x)" ]
 return
}

# Figure out if we're installing from the hard drive
if [ -r $TMP/SeTT_PX ]; then
 T_PX="$(cat $TMP/SeTT_PX)"
else
 if [ "$T_PX" = "" -a ! "$1" = "" ]; then
  T_PX=$1
 else
  T_PX=/
 fi
fi
HDR="no" # this means the header section of /etc/lilo.conf has not yet
         # been configured
LNX="no" # this means no Linux partition has been defined as bootable
         # through LILO. Both of these must change to "yes" before LILO will
         # install from this script.
# Determine the root partition (such as /dev/hda2)
ROOT_DEVICE=$2
if [ "$ROOT_DEVICE" = "" ]; then
 if [ -r $TMP/SeTrootdev ]; then
  ROOT_DEVICE="$(cat $TMP/SeTrootdev)"
 else
  ROOT_DEVICE="$(mount | grep " on $T_PX " | cut -f 1 -d " " | head -n 1)"
 fi
fi

# Figure out where the kernel is:
ARCHTYPE=i386
if [ -r $T_PX/boot/vmlinuz-generic ]; then
  KERNEL=/boot/vmlinuz-generic
elif [ -r $T_PX/boot/vmlinuz ]; then
  KERNEL=/boot/vmlinuz
elif [ -r $T_PX/usr/src/linux/arch/$ARCHTYPE/boot/bzImage ]; then
  KERNEL=/usr/src/linux/arch/$ARCHTYPE/boot/bzImage
else
  echo "ERROR: could not find a Linux kernel."
  echo "Tried: $T_PX/boot/vmlinuz-generic $T_PX/boot/vmlinuz $T_PX/usr/src/linux/arch/$ARCHTYPE/boot/bzImage"
  exit 99
fi

# Figure out where the initrd is:
if [ -r $T_PX/boot/initrd-generic.img ]; then
  INITRD=/boot/initrd-generic.img
elif [ -r $T_PX/boot/initrd.gz ]; then
  INITRD=/boot/initrd.gz
else
  # Having an initrd is not mandatory.
  unset INITRD
fi

 # OK, now let's see if we should automate things:
 dialog --title "INSTALL LILO" --menu "LILO (Linux Loader) is a generic \
boot loader. There's a simple installation which tries to automatically \
set up LILO to boot Linux (also Windows if found). For \
more advanced users, the expert option offers more control over the \
installation process. Since LILO does not work in all cases (and can \
damage partitions if incorrectly installed), there's the third (safe) \
option, which is to skip installing LILO for now. You can always install \
it later with the 'liloconfig' command. Which option would you like?" \
 18 67 3 \
 "simple" "Try to install LILO automatically" \
 "expert" "Use expert lilo.conf setup menu" \
 "skip" "Do not install LILO" 2> $TMP/reply
 if [ $? = 1 -o $? = 255 ]; then
  exit
 fi
 REPLY="$(cat $TMP/reply)"
 rm -f $TMP/reply
 if [ "$REPLY" = "skip" ]; then
  exit
 elif [ "$REPLY" = "simple" ]; then
  # Do simple LILO setup
  simplelilo
  exit
 fi
 # drop through to last option: (use the expert menus)
 while [ 0 ]; do
  dialog --title "EXPERT LILO INSTALLATION" --menu \
"This menu directs the creation of the LILO config file, lilo.conf. \
To install, you make a new LILO configuration file by creating a new header \
and then adding one or more bootable partitions to the file. Once you've done \
this, you can select the install option. Alternately, if you already have an \
/etc/lilo.conf, you may reinstall using that. If you make a mistake, you can \
always start over by choosing 'Begin'. \
Which option would you like?" 21 73 8 \
"Begin" "Start LILO configuration with a new LILO header" \
"Linux" "Add a Linux partition to the LILO config" \
"Windows" "Add a Windows FAT or NTFS partition to the LILO config" \
"Install" "Install LILO" \
"Recycle" "Reinstall LILO using the existing lilo.conf" \
"Skip" "Skip LILO installation and exit this menu" \
"View" "View your current /etc/lilo.conf" \
"Help" "Read the Linux Loader HELP file"  2> $TMP/reply
  if [ $? = 1 -o $? = 255 ]; then
   REPLY="Skip"
  else
   REPLY="$(cat $TMP/reply)"
  fi
  rm -r $TMP/reply
  if [ "$REPLY" = "Begin" ]; then
   ask_append;
   if [ $? = 1 -o $? = 255 ]; then
    APPEND=""
    HDR="no"
    continue;
   else
    APPEND="$(cat $TMP/reply)"
   fi
   #ask_utf;
   #if [ $? = 1 -o $? = 255 ]; then
   # UTFVT="vt.default_utf8=0"
   #else
   # UTFVT="vt.default_utf8=1"
   #fi
   use_framebuffer;
   dialog --title "SELECT LILO TARGET LOCATION" $DEFAULT --menu "LILO can be installed \
to a variety of places:  \
the superblock of your root Linux partition (which could then be made the \
bootable partition with fdisk), a formatted floppy disk, \
or the master boot record of your first hard drive. If you're using \
a boot system such as Boot Manager, you should use the "Root" \
selection. Please pick a target location:" 15 65 3 \
"Root" "Install to superblock (not for use with XFS)" \
"Floppy" "Use a formatted floppy disk in the boot drive" \
"MBR" "Use the Master Boot Record (possibly unsafe)" \
2> $TMP/reply
   if [ $? = 1 -o $? = 255 ]; then
    HDR="no"
    continue;
   else
    LNX="no"
    TG="$(cat $TMP/reply)"
   fi
   rm -r $TMP/reply
   if [ "$TG" = "MBR" ]; then
    MBR_TARGET=/dev/sda
    echo $MBR_TARGET > $TMP/LILOMBR
    cat /proc/partitions | while read LINE ; do
     MAJOR="$(echo $LINE | cut -f 1 -d ' ')"
     MINOR="$(echo $LINE | cut -f 2 -d ' ')"
     if [ ! "$MINOR" = "0" -a ! "$MINOR" = "64" ]; then # ignore whole devices to weed out CD drives
      if [ "$MAJOR" = "3" ]; then
       MBR_TARGET=/dev/hda
       echo $MBR_TARGET > $TMP/LILOMBR
      elif [ "$MAJOR" = "22" -a ! "$MBR_TARGET" = "/dev/hda" ]; then
       MBR_TARGET=/dev/hdc
       echo $MBR_TARGET > $TMP/LILOMBR
      elif [ "$MAJOR" = "33" -a ! "$MBR_TARGET" = "/dev/hda" -a ! "$MBR_TARGET" = "/dev/hdc" ]; then
       MBR_TARGET=/dev/hde
       echo $MBR_TARGET > $TMP/LILOMBR
      elif [ "$MAJOR" = "34" -a ! "$MBR_TARGET" = "/dev/hda" -a ! "$MBR_TARGET" = "/dev/hdc" -a ! "$MBR_TARGET" = "/dev/hde" ]; then
       MBR_TARGET=/dev/hdg
       echo $MBR_TARGET > $TMP/LILOMBR
      fi
      if dmidecode 2> /dev/null | grep -q QEMU 2> /dev/null ; then
       if [ -r /dev/vda ]; then
         MBR_TARGET=/dev/vda
         echo $MBR_TARGET > $TMP/LILOMBR
       fi
      fi
     fi
    done
    LILO_TARGET=$(cat $TMP/LILOMBR)
    dialog --title "CONFIRM LOCATION TO INSTALL LILO" --inputbox \
"The auto-detected location to install the LILO boot block is shown below. \
If you need to make any changes, you can make them below. Otherwise, hit \
ENTER to accept the target location shown." 11 60 $LILO_TARGET 2> $TMP/reply
    if [ $? = 0 ]; then
      LILO_TARGET="$(cat $TMP/reply)"
    fi
    rm -f $TMP/reply
   elif [ "$TG" = "Root" ]; then
    LILO_TARGET=$(echo $ROOT_DEVICE)
   elif [ "$TG" = "Floppy" ]; then
    LILO_TARGET="/dev/fd0"    
   else
    HDR="no"
    continue;
   fi
   dialog --title "CHOOSE LILO TIMEOUT" --menu "At boot time, how long would \
you like LILO to wait for you to select an operating system? If you \
let LILO time out, it will boot the first OS in the configuration file by \
default." 13 74 4 \
"None" "Don't wait at all - boot straight into the first OS" \
"5" "5 seconds" \
"30" "30 seconds" \
"Forever" "Present a prompt and wait until a choice is made" 2> $TMP/reply
   if [ $? = 1 -o $? = 255 ]; then
    HDR="no"
    continue;
   else
    TIMEOUT="$(cat $TMP/reply)"
   fi
   rm -r $TMP/reply
   if [ "$TIMEOUT" = "None" ]; then 
    PROMPT="#prompt"
    TIMEOUT="#timeout = 5"
   elif [ "$TIMEOUT" = "5" ]; then
    PROMPT="prompt"
    TIMEOUT="timeout = 50"
   elif [ "$TIMEOUT" = "30" ]; then
    PROMPT="prompt"
    TIMEOUT="timeout = 300" 
   elif [ "$TIMEOUT" = "Forever" ]; then
    PROMPT="prompt"
    TIMEOUT="#timeout = 300"
   else
    HDR="no"
    continue;
   fi
   cat << EOF > $TMP/lilo.conf
# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
boot = $LILO_TARGET

# This option loads the kernel and initrd much faster:
compact

EOF
   # Boot splash
   if [ "$PROMPT" = "prompt" ]; then
    if ask_boot_splash ; then
     boot_bmp >> $TMP/lilo.conf
     cat << EOF >> $TMP/lilo.conf
# Standard menu.
# Or, you can comment out the bitmap menu above and
# use a boot message with the standard menu:
#message = /boot/boot_message.txt

EOF
    fi
   else
    cat << EOF >> $TMP/lilo.conf
# Standard menu.
message = /boot/boot_message.txt

EOF
   fi
   #if [ ! "$APPEND" = "" -o ! "$UTFVT" = "" ]; then
     echo "# Append any additional kernel parameters:" >> $TMP/lilo.conf
     echo "append=\"$APPEND $UTFVT\"" >> $TMP/lilo.conf
   #fi
   if echo $LILO_TARGET | grep -q vda 2>/dev/null ; then
    echo "disk = /dev/vda bios=0x80 max-partitions=7" >> $TMP/lilo.conf
   fi
   cat << EOF >> $TMP/lilo.conf
$PROMPT
$TIMEOUT
EOF
   if [ "$CONSOLETYPE" = "standard" ]; then
     cat << EOF >> $TMP/lilo.conf
# Normal VGA console
vga = normal
# Ask for video mode at boot (time out to normal in 30s)
#vga = ask
EOF
   elif [ "$CONSOLETYPE" = "ask" ]; then
     cat << EOF >> $TMP/lilo.conf
# Ask for video mode at boot (time out to normal in 30s)
vga = ask
# Normal VGA console
#vga = normal
EOF
   else
     cat << EOF >> $TMP/lilo.conf
# VESA framebuffer console @ $CONSOLETYPE
vga = $CONSOLENUM
# Normal VGA console
#vga = normal
# Ask for video mode at boot (time out to normal in 30s)
#vga = ask
EOF
   fi
   cat << EOF >> $TMP/lilo.conf
# VESA framebuffer console @ 1024x768x64k
# vga=791
# VESA framebuffer console @ 1024x768x32k
# vga=790
# VESA framebuffer console @ 1024x768x256
# vga=773
# VESA framebuffer console @ 800x600x64k
# vga=788
# VESA framebuffer console @ 800x600x32k
# vga=787
# VESA framebuffer console @ 800x600x256
# vga=771
# VESA framebuffer console @ 640x480x64k
# vga=785
# VESA framebuffer console @ 640x480x32k
# vga=784
# VESA framebuffer console @ 640x480x256
# vga=769
EOF
   cat << EOF >> $TMP/lilo.conf
# ramdisk = 0     # paranoia setting
# End LILO global section
EOF
    HDR="yes"
  elif [ "$REPLY" = "Linux" ]; then
   dialog --infobox "\nScanning for Linux partitions..." 5 37
   sleep 1
   if [ "$HDR" = "yes" ]; then
    if [ "$ROOT_DEVICE" != "" ]; then
     DEFROOT="--default-item $ROOT_DEVICE"
    fi
    echo "dialog --title \"SELECT LINUX PARTITION\" $DEFROOT --menu \\" > $TMP/tmpmsg
    echo "\"Which Linux partition would you like LILO to boot?\n\
\n\
   Partition             Start         End     Sectors   ID\" 22 74 13 \\" >> $TMP/tmpmsg
    PROBE -l 2> /dev/null | grep "Linux$" | sort | while read STR; do
     STR1="$(echo -n "$STR" | cut -f 1 -d ' ')"
     STR2="$(echo -n "$STR" | cut -f 2- -d ' ')"
     echo "\"$STR1\" \"$STR2\" \\" >> $TMP/tmpmsg
    done
    echo "2> $TMP/reply" >> $TMP/tmpmsg
    . $TMP/tmpmsg
    if [ $? = 1 -o $? = 255 ]; then
     rm $TMP/tmpmsg
     continue
    fi
    rm $TMP/tmpmsg
    LINUX_PART="$(cat $TMP/reply)"
    checkp_dialog $LINUX_PART
    if [ ! $? = 0 ]; then
     continue;
    fi
    dialog --title "SELECT PARTITION NAME FOR $LINUX_PART" --inputbox \
"Now you must select a short, unique name for this partition. \
You'll use this name if you specify a partition to boot at the \
LILO prompt. 'Linux' might not be a bad choice. THIS MUST BE A \
SINGLE WORD." 11 60 2> $TMP/reply
    if [ $? = 1 -o $? = 255 ]; then
     continue
    fi
    LABEL="$(cat $TMP/reply)"

    if [ -z "$INITRD" ]; then
     cat << EOF >> $TMP/lilo.conf
# Linux bootable partition config begins
image = $KERNEL
  root = $LINUX_PART
  label = $LABEL
  read-only  # Partitions should be mounted read-only for checking
# Linux bootable partition config ends
EOF
    else
     cat << EOF >> $TMP/lilo.conf
# Linux bootable partition config begins
image = $KERNEL
  initrd = $INITRD
  root = $LINUX_PART
  label = $LABEL
  read-only  # Partitions should be mounted read-only for checking
# Linux bootable partition config ends
EOF
    fi

   else
    dialog --title "CAN'T ADD LINUX PARTITION" --msgbox "You can't add \
partitions unless you start over with a new LILO header." 6 60
    continue
   fi
   LNX="yes"
  # MORE OS/2 DEAD CODE...  DOESN'T HURT.
  # THIS ITEM HAS LONG BEEN REMOVED FROM THE MENU...
  elif [ "$REPLY" = "OS/2" ]; then
   if [ "$HDR" = "yes" ]; then
    echo "These are possibly OS/2 partitions. They will be treated" > $TMP/tmpmsg
    echo "as such if you install them using this menu." >> $TMP/tmpmsg
    echo >> $TMP/tmpmsg
    echo "   Device Boot      Start         End      Blocks   Id  System" >> $TMP/tmpmsg
    PROBE -l | grep DOS | sort >> $TMP/tmpmsg
    PROBE -l | grep HPFS | sort >> $TMP/tmpmsg
    echo >> $TMP/tmpmsg
    echo "Which one would you like LILO to boot?" >> $TMP/tmpmsg
    dialog --title "SELECT OS/2 PARTITION" --no-collapse --inputbox \
"$(cat $TMP/tmpmsg)" 20 74 2> $TMP/reply
    if [ $? = 1 -o $? = 255 ]; then
     rm $TMP/tmpmsg
     continue
    fi
    rm $TMP/tmpmsg
    OS_2_PART="$(cat $TMP/reply)"
    checkp_dialog $OS_2_PART
    if [ ! $? = 0 ]; then
     continue;
    fi
    dialog --title "SELECT PARTITION NAME" --inputbox \
"Now you must select a short, unique name for this partition. \
You'll use this name if you specify a partition to boot at the \
LILO prompt. 'OS/2' might not be a bad choice. THIS MUST BE A \
SINGLE WORD."  11 60 2> $TMP/reply
    if [ $? = 1 -o $? = 255 ]; then
     continue
    fi
    LABEL="$(cat $TMP/reply)"
    TABLE="$(echo $OS_2_PART | cut -b1-8)"
    if [ "$(echo $TABLE | cut -b6-8)" = "hda" ]; then
     cat << EOF >> $TMP/lilo.conf
# OS/2 bootable partition config begins
other = $OS_2_PART
  label = $LABEL
  table = $TABLE
# OS/2 bootable partition config ends
EOF
    else
     cat << EOF >> $TMP/lilo.conf
# OS/2 bootable partition config begins
other = $OS_2_PART
  label = $LABEL
  table = $TABLE
  loader = /boot/os2_d.b
#  map-drive = 0x80
#   to = 0x81
#  map-drive = 0x81
#   to = 0x80
# OS/2 bootable partition config ends
EOF
    fi
   else
    dialog --title "CAN'T ADD OS/2 PARTITION" --msgbox "You can't add \
partitions unless you start over with a new LILO header." 6 60
    continue
   fi
   LNX="yes"
  elif [ "$REPLY" = "Windows" ]; then
   dialog --infobox "\nScanning for Windows partitions..." 5 39
   sleep 1
   if [ "$HDR" = "yes" ]; then
    echo "These are possibly Windows partitions. They will be treated as" > $TMP/tmpmsg
    echo "such if you install them using this menu." >> $TMP/tmpmsg
    echo >> $TMP/tmpmsg
    echo "   Device Boot      Start         End      Blocks   Id  System" >> $TMP/tmpmsg
    PROBE -l | grep "DOS
Win
W95
FAT12
FAT16
HPFS" | grep -v "Ext'd" | grep -v "Extend" | sort | grep "$($OSPROBER 2> /dev/null | grep :Windows: | cut -f 1 -d :)" >> $TMP/tmpmsg
    echo >> $TMP/tmpmsg
    echo "Which one would you like LILO to boot?" >> $TMP/tmpmsg
    dialog --title "SELECT WINDOWS PARTITION" --no-collapse --inputbox \
"$(cat $TMP/tmpmsg)" 20 74 2> $TMP/reply
    if [ $? = 1 -o $? = 255 ]; then
     rm $TMP/tmpmsg
     continue
    fi
    rm $TMP/tmpmsg
    DOSPART="$(cat $TMP/reply)"
    checkp_dialog $DOSPART
    if [ ! $? = 0 ]; then
     continue;
    fi
    dialog --title "SELECT PARTITION NAME" --inputbox \
"Now you must select a short, unique name for this partition. \
You'll use this name if you specify a partition to boot at the \
LILO prompt. 'Windows' might not be a bad choice. THIS MUST BE A \
SINGLE WORD." 11 60 2> $TMP/reply
    if [ $? = 1 -o $? = 255 ]; then
     continue
    fi
    LABEL="$(cat $TMP/reply)"
    unset USE_LOADER
    TABLE="$(echo $DOSPART | cut -b1-8)"
    if [ "$(echo $TABLE | cut -b6-8)" = "hda" ]; then
     USE_LOADER="no"
    fi
    if [ "$(echo $TABLE | cut -b6-8)" = "sda" ]; then
     if probe /dev/hda; then
      USE_LOADER="yes"
     else
      USE_LOADER="no"
     fi
    fi
    if [ "$USE_LOADER" = "no" ]; then
     cat << EOF >> $TMP/lilo.conf
# Windows bootable partition config begins
other = $DOSPART
  label = $LABEL
  table = $TABLE
# Windows bootable partition config ends
EOF
    else
     cat << EOF >> $TMP/lilo.conf
# Windows bootable partition config begins
other = $DOSPART
  label = $LABEL
#  map-drive = 0x80
#   to = 0x81
#  map-drive = 0x81
#   to = 0x80
  table = $TABLE
# Windows bootable partition config ends
EOF
    fi
   else
    dialog --title "CAN'T ADD WINDOWS PARTITION" --msgbox "You can't add \
partitions unless you start over with a new LILO header." 6 60
    continue
   fi
   LNX="yes"
  elif [ "$REPLY" = "Install" -o "$REPLY" = "Recycle" ]; then
   if [ "$REPLY" = "Recycle" -a -r $T_PX/etc/lilo.conf ]; then
    LNX="yes"
   fi
   if [ "$LNX" = "no" ]; then
    dialog --title "CAN'T INSTALL LILO" --msgbox "LILO could not be \
installed. If you have not created a LILO configuration file by defining \
a new header and adding at least one bootable partition to it, you must do \
so before installing LILO. If you were attempting to use an existing LILO \
configuration file, it could not be found. Try making a new one." 9 70
    continue
   else
    if [ "$REPLY" = "Install" ]; then
     if [ -r $TMP/lilo.conf ]; then
      if [ -r $T_PX/etc/lilo.conf ]; then
       mv $T_PX/etc/lilo.conf $T_PX/etc/lilo.conf.bak
      fi
      cp $TMP/lilo.conf $T_PX/etc/lilo.conf
      chmod 644 $T_PX/etc/lilo.conf
     fi
    fi    
    installcolor;
   fi
   rm -f $TMP/tmpmsg $TMP/reply
   break
  elif [ "$REPLY" = "Skip" ]; then
   rm -f $TMP/tmpmsg $TMP/reply
   break
  elif [ "$REPLY" = "View" ]; then
   if [ -r $TMP/lilo.conf ]; then
    dialog --title "YOUR NEW /etc/lilo.conf" --textbox "$TMP/lilo.conf" 22 70
   else
    if [ -r $T_PX/etc/lilo.conf ]; then
     dialog --title "YOUR OLD /etc/lilo.conf" --textbox "$T_PX/etc/lilo.conf" 22 70
    elif [ "$T_PX" = "/" -a -r /etc/lilo.conf ]; then
     dialog --title "YOUR OLD /etc/lilo.conf" --textbox "/etc/lilo.conf" 22 70
    else
     dialog --title "NO CONFIG FILE FOUND" --msgbox "Sorry, but you don't \
have a LILO configuration file that can be viewed." 6 60
    fi
   fi
  elif [ "$REPLY" = "Help" ]; then
   dialog --title "LILO INSTALLATION HELP" --textbox "$T_PX/var/log/setup/text.lilohelp" 22 68
  fi
 done