#!/bin/sh

# $Id: rc.initrd,v 1.16 2005/10/15 23:58:12 thomasez Exp $ 

#
# floppyfw initfile
#

. /etc/functions.inc

echo "Init started OK." 

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
TERM=linux
export PATH TERM
umask 022

COMMAND_LINE=`cat /proc/cmdline`

ROOTDEV=`echo $COMMAND_LINE |sed -e 's/$/ /' -e 's/.*source=\([^ ]*\) .*/\1/' -e 's/,/ /g' -e 's:/dev/nfs:/dev/fd0:'`

set -- $ROOTDEV
# Backward compatibility with a single device argument
if [ $# -eq 1 ]
then
       set -- $1 vfat
fi
while [ "$1" -a "$2" ]
do
       SOURCE_DEV=$1
       SOURCE_FS=$2
       echo "Attempting to mount $SOURCE_DEV ($SOURCE_FS)"
       load_fsmod $SOURCE_DEV $SOURCE_FS
       if mount -t $SOURCE_FS $SOURCE_DEV /mnt/tmp
        then
         echo "Mounted $SOURCE_DEV on /mnt/tmp"
         break
       else
         echo "Mount failed"
       fi
       shift; shift
done


#
# Getting rid of old mounts.
#

echo "Unmounting old root"
umount /initrd
freeramdisk /dev/rd/0

cd /
echo  

echo "Extracting filesystem: "
[ -f /mnt/tmp/add.bz2 ] && tar -xjf /mnt/tmp/add.bz2
[ -f /mnt/tmp/add.ffw ] && lzmacat /mnt/tmp/add.ffw | tar -x

echo -n "Extracting module packages: "
for i in /mnt/tmp/modules/*.bz2; do
	if test -f $i
	then
		echo "	$i "
		tar -xjf $i
	fi
done
echo

for i in /mnt/tmp/modules/*.ffw; do
	if test -f $i
	then
		echo "	$i "
		lzmacat $i | tar -x
	fi
done
echo


#Modules.
[ -f  /mnt/tmp/modules/*.o ] && cp  /mnt/tmp/modules/*.o /lib/modules 2> /dev/null
# cp  /mnt/tmp/modules/*.o /lib/modules 2> /dev/null


# 
# If the ROOT device is a read-only device we might have a second 
# device where the config flies reside:
# (The configdevice option in the append line.)
#
# The reason for having this as late as this is that we may have some modules
# available that we could use (like USB-storage)
#

case $COMMAND_LINE in 
 *configdevice* ) 
  CONFDEV=`echo $COMMAND_LINE | sed -e 's/$/ /' -e 's/.*configdevice=\([^ ]*\) .*/\1/' -e 's/,/ /g' -e 's:/dev/nfs:/dev/fd0:'`
  echo $CONFDEV > /etc/configdevice
  echo "You have some of your configuration on a separate medium, using it."
  CONFDEV=`cat /etc/configdevice`  
  mkdir /mnt/config
  set -- $CONFDEV
  # Backward compatibility with a single device argument
  if [ $# -eq 1 ]
   then
    set -- $1 vfat
  fi
  while [ "$1" -a "$2" ]
  do
       echo "Attempting to mount $1 ($2)"
       load_fsmod $1 $2
       if mount -t $2 $1 /mnt/config
        then
         echo "Mounted $1 on /mnt/config"
         break
       else
         echo "Mount failed"
         rm -r /mnt/config 
       fi
       shift; shift
  done
esac

# 
# We need to do this one file at a time (could be traversing a list but then
# we'd have to not rename it on it's way.
# (and I'm lazy and just testing if this works at all anyway)
# 
# The best would be to trust the user and just copy all the files on the
# device. 
#

# echo "Her er vi"
# set -x
# set -e
# exec >/tmp/${0##*/}.log

CONFIG_FILES="config ethers hosts modules.lst firewall.ini network.ini"

for cf in $CONFIG_FILES 
  do
    if [ -f /mnt/config/$cf ]
   then
    stripcr /mnt/config/$cf /etc/$cf
  else
    stripcr /mnt/tmp/$cf /etc/$cf
echo "Stripped $cf"
  fi
done

# I want real nice names.
mv /etc/network.ini /etc/network.init
chmod 755 /etc/network.init
mv /etc/firewall.ini /etc/firewall.init
chmod 755 /etc/firewall.init
stripcr /mnt/tmp/floppyfw.msg /etc/issue 644

# I also want to add the source device and file system so that I can remount.
echo "SOURCE_DEV=$SOURCE_DEV" >> /etc/config
echo "SOURCE_FS=$SOURCE_FS" >> /etc/config

#
# Before I source it I want to fix the password. It's in the config but 
# I do not want it in clear text and available to the running scripts.
# 
# So, login.ini will make the /etc/config, without PASSWORD
#
# The login.ini
#
/etc/login.ini

. /etc/config


#
# Packages (contributed by: t'Sade) 
#
echo -n "Looking for extra packages: "
for i in /mnt/tmp/packages/*.bz2; do
	if test -f $i
	then
		echo "	$i "
		tar -xjf $i
	fi
done

for i in /mnt/tmp/packages/*.ffw; do
	if test -f $i
	then
		echo "	$i "
		lzmacat $i | tar -x
	fi
done
echo

# 
# Since we have to assume that the live filesystem is on a read-only
# file system we'd do this (and probably "overwrite") after modules
# and packages are unpacked.
# 
if [ -d /mnt/tmp/live ]
 then
  echo "We got ourselves a (part of a) live filesystem."
  if [ -d /mnt/tmp/live/modules ]
   then
    LIVE_SYSTEM="y"
#    ln -s /mnt/tmp/modules /lib/modules

    for i in /mnt/tmp/live/modules/*; do
      if test -d $i
       then
	echo $i
	F=`basename $i`
	echo "BASE:$F"
	# We don't need the original directory when we are putting a symbolic
        # link there.
	rm -rf /lib/modules/$F
        ln -s $i /lib/modules/$F
    fi
  done
  fi # /if [ -d /mnt/tmp/modules ]
fi # /if [ -d /mnt/tmp/live ]

echo

if [ ${SECOND_DEVICE} != 'n' ];
 then
  mkdir /mnt/second
  mount -t $SECOND_DEVICE_FS ${SECOND_DEVICE} /mnt/second
  echo "Unpacking packages from secondary device \"${SECOND_DEVICE}\" "
  for i in /mnt/second/packages/*.bz2; do
    if test -f $i
    then
       echo -n "$i "
	tar -xjf $i
    fi
  done
  for i in /mnt/second/packages/*.ffw; do
	if test -f $i
	then
		echo "	$i "
		lzmacat $i | tar -x
	fi
  done
echo
  umount /mnt/second
  echo
fi

echo "Looking for pre- scripts..."

for i in /mnt/tmp/packages/pre-*.ini; do
	if test -f $i
	then
		PRE=${i#/mnt/tmp/packages/}
		stripcr $i /etc/$PRE 755
		fi
done
for i in /etc/pre-*.ini; do
	if test -f $i
	then
		echo "Running $i"
		chmod 755 $i
		$i
	fi
done
echo "...scripts done." 

# Need to create a modules.conf file for the options:
echo "Creating modules.conf."
#grep -v "[#|^\s]" /etc/modules.lst | grep "\w \w" > /tmp/modc.tmp
#while read cline
# do
#  echo "options $cline" >> /etc/modules.conf
# done < /tmp/modc.tmp
#rm /tmp/modc.tmp
      
# This one didn't work :=(
# grep -v "[#|^\s]" modules.lst | grep "\w \w" | sed -r -e 's/(.*)/options $1/ 

# Grygory Farkas suggested this one:
grep "\w \w" /etc/modules.lst | sed '/^#/d;s/^/options /' >> /etc/modules.conf 

echo "Inserting modules."
while read myline
 do
  case o${myline} in
   o\#*|o)
    ;;
   oinsmod*)
    ${myline} >> $DEBUG_LOG 2>&1
    ;;
   o*)
    # insmod ${myline} >> $DEBUG_LOG 2>&1
    modprobe ${myline} >> $DEBUG_LOG 2>&1
    if [ $? -eq  0 ]
      then
       echo -n "${myline}  "
    fi
    ;;
  esac
 done < /etc/modules.lst

# 
# This used to be where the time zone file was copied.
# Now, it's only a variable and a file. 
# 
if [ $TIMEZONE ] 
 then 
  echo $TIMEZONE > /etc/TZ
fi


if [ -f /mnt/tmp/packages/keymap ]
 then
  echo "Loading keymap."
  cp  /mnt/tmp/packages/keymap /etc/default.kmap
  loadkmap < /etc/default.kmap
fi

echo
echo "Initializing network: "
/etc/network.init
echo 

if [ ${USE_SYSLOG} = 'y' ]; 
then
       echo "Starting klogd and syslogd"
       echo -n "klogd "
       /sbin/klogd
       echo "syslogd"
       /sbin/syslogd ${SYSLOG_FLAGS}
fi

if [ ${FAKEIDENT} ]; 
then
  echo "running fakeidentd with ${FAKEIDENT} as the ident answer."
  echo "(You are taking a risk by running this application.)"
  fakeidentd ${FAKEIDENT}
fi

echo "Looking for post- scripts..."
for i in /mnt/tmp/packages/post-*.ini; do
	if test -f $i
	then
		POST=${i#/mnt/tmp/packages/}
		stripcr $i /etc/$POST 755
	fi
done
for i in /etc/post-*.ini; do
	if test -f $i
	then
		echo "Running $i"
		chmod 755 $i
		$i
	fi
done
echo "...scripts done." 

# 
# Ok, this is not used, will not be documented and is commented out.
# It's just too darn cute not to have here:
# Ken Yap posted this on the floppyfw.general news group.
#
# FILE=/zelow/floppyfw/index.html
# SERVER=www.zelow.no
# DEST=test.html
# echo -e "GET $FILE HTTP/1.0\n" | nc $SERVER 80 | sed '1,/^.$/d' > $DEST
# And yes, you have to unpack the packages and run scripts.

if [ $LIVE_SYSTEM ]
 then
  echo "Not unmounting the main media, we have a live file system on it."
 else 
  umount /mnt/tmp
  rm -r /mnt/tmp
fi

#
# To be possible again in some future..:
#
# if [ ${OPEN_SHELL} = 'y' ];
# then
# fi