#!/bin/sh
#
# Copyright 2011  Eric Hameleers, Eindhoven, NL
# Copyright 2011  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.
#
# Bug reports, suggestions, etc for pxesetup: alien@slackware.com
#
TMP=/var/log/setup/tmp
if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
rm -f $TMP/SeT*
# If a keymap was set up, restore that data:
if [ -r $TMP/Pkeymap ]; then
  cp $TMP/Pkeymap $TMP/SeTkeymap
fi
echo "on" > $TMP/SeTcolor # turn on color menus
PATH="$PATH:/usr/lib/setup"
export PATH;
export COLOR=on
# Before probing, activate any LVM partitions that may exist from
# before the boot - perhaps the Slackware tree is on a local partition:
vgchange -ay 1> /dev/null 2> /dev/null
if probe -l 2> /dev/null | grep -E 'Linux$' 1> /dev/null 2> /dev/null ; then
 probe -l 2> /dev/null | grep -E 'Linux$' | sort 1> $TMP/SeTplist 2> /dev/null
fi

while [ 0 ]; do

 dialog --title "Slackware PXE Setup (version 13.37)" \
--menu \
"Welcome to Slackware PXE Setup.\n\
Select an option below using the UP/DOWN keys and SPACE or ENTER.\n\
Alternate keys may also be used: '+', '-', and TAB." 18 72 9 \
"HELP" "Read the Slackware PXE Setup HELP file" \
"NETWORK" "Configure your network parameters" \
"SOURCE" "Select source media" \
"ACTIVATE" "Activate the Slackware PXE Server" \
"EXIT" "Exit Slackware PXE Setup" 2> $TMP/hdset
 if [ ! $? = 0 ]; then
  rm -f $TMP/hdset $TMP/SeT*
  exit
 fi
 MAINSELECT="`cat $TMP/hdset`"
 rm $TMP/hdset

 # Start checking what to do. Some modules may reset MAINSELECT to run the
 # next item in line.

 if [ "$MAINSELECT" = "HELP" ]; then
  SeTPXEHELP
 fi

 if [ "$MAINSELECT" = "NETWORK" ]; then
  SeTnet
  SeTpxe
  if [ -r $TMP/SeTpxe ]; then
   MAINSELECT="SOURCE" 
  fi
 fi
 
 if [ "$MAINSELECT" = "SOURCE" ]; then
  SeTpxemedia 
  if [ -r $TMP/SeTsource ]; then
   MAINSELECT="ACTIVATE"
  fi
 fi
 
 if [ "$MAINSELECT" = "ACTIVATE" ]; then
  if [ ! -r $TMP/SeTpxe -o ! -r $TMP/SeTsource ]; then
   dialog --title "CANNOT START PXE SERVER YET" --msgbox "\
\n\
Before you can start the PXE Server, complete the following tasks:\n\
\n\
1. Set up your computer's network parameters.\n\
2. Select your source media.\n\
\n\
Press ENTER to return to the main menu." 14 68
   continue
  fi
  # Time to start the BOOTP/TFTP/HTTP servers:
  dnsmasq -C /etc/dnsmasq.conf
  httpd -h /var/log/mount

  dialog --backtitle "Slackware PXE Server." \
   --title "PXE Client activity log" \
   --ok-label "EXIT" \
   --tailbox /var/log/dnsmasq.log 18 68

  # Time to kill the BOOTP/TFTP/HTTP servers:
  kill -TERM $(cat /var/run/dnsmasq.pid)
  killall -TERM httpd
 fi

 if [ "$MAINSELECT" = "EXIT" ]; then
  break
 fi

done # end of main loop

# end slackware PXE setup script