#!bin/sh
#	$Id: cpio.magic,v 1.12 1994/06/28 07:20:30 jkh Exp $
#
set_tmp_dir()
{
	def_tmp_dir=`pwd`
	[ "$def_tmp_dir" = "/" ] && def_tmp_dir=/usr/distrib
	echo -n "Where do we ${1:-put} the distrbution files? [${def_tmp_dir}] "
	read tmp_dir
	[ ! "$tmp_dir" ] && tmp_dir=$def_tmp_dir
	if [ ! -d "$tmp_dir" ]; then
		/bin/rm -rf $tmp_dir
		mkdir -p $tmp_dir
	fi
	echo
}
tmp_dir()
{
	if [ "$tmp_dir" = "" ]; then
		set_tmp_dir $1
	fi
	cd $tmp_dir
}
load_fd()
{
	tmp_dir
	drive=
	altdrive=
	subdir=
	while [ -z "$drive" ]; do
		echo -n "Read from which drive (or ? for help)? [c] "
		read answer junk
		case "${answer:-c}" in
		a*b|A*B)	
			drive=A; altdrive=B
			;;
		b*a|B*A)	
			drive=B; altdrive=A
			;;
		a*|A*)	
			drive=A; altdrive=A
			;;
		b*|B*)	
			drive=B; altdrive=B
			;;
		c*|C*)
			while read data; do
				msdos_device=`expr X"$data" : 'X[ 	]*\([^ 	]*\)[^M]*pcfs'`
				msdos_dir=`expr X"$data" : 'X[ 	]*[^ 	]*[ 	]*\([^ 	]*\)'`
				[ "${msdos_device}" ] && break
			done </etc/fstab
			if [ ! "$msdos_device" ]; then
				echo
				echo	"Cannot find MS-DOS in filesystem table"
				continue
			fi
			drive=C; altdrive=C
			while :; do
				echo
				echo -n "Read from which MS-DOS drive C: directory? [/] "
				read resp junk
				newdir=$(echo "${resp:-/}" | \
				awk '{ sub(/^[Cc]*:*/, ""); gsub(/\\/, "/"); gsub(/^\/*/, ""); gsub(/\/*$/, ""); print $0 }')
				if [ -d ${msdos_dir}/${newdir} ]; then
					subdir=$newdir
					break
				else
					echo "C:/${newdir}: No such directory"
				fi
			done
			;;
		q*|Q*)	
			drive=q
			;;
		\?*)	
			echo
			echo "Enter:		To:"
			echo "------		---"
			echo "  a		Read from floppy drive A:"
			echo "  b		Read from floppy drive B:"
			echo "  c		Read from MS-DOS hard drive C:"
			echo "  ab		Alternate between A: and B:, starting with A:"
			echo "  ba		Alternate between A: and B:, starting with B:"
			echo "  q		Quit"
			echo
			;;
		esac
	done
	verbose=-v
	interactive=-i
	if [ "$drive" = "C" ]; then
		dir=${msdos_dir}
	elif [ "$drive" != "q" ]; then
		dir=/tmp/floppy
		[ -d $dir ] && umount $dir >/dev/null 2>&1
		[ -f $dir ] && rm -f $dir
		mkdir -p $dir
	fi
	while [ "$drive" != "q" ]
	do
		device=/dev/fd0
		[ "$drive" = "B" ] && device=/dev/fd1
		[ "$drive" = "C" ] && device=${msdos_device}
		echo; 
		if [ "$drive" != "C" ]; then
			echo	"Insert floppy in drive $drive:, then press RETURN to copy files,"
			echo -n "or enter option (? for help): "
		else
			echo -n "Press RETURN to copy files, or enter option (? for help): "
		fi
		read answer junk
		case "${answer:-g}" in
		c*|C*)
			if [ "$drive" != "C" ]; then
				echo "Cannot change directory: not reading from MS-DOS drive C:"
			else
				echo
				echo -n "Read from which MS-DOS drive C: directory? [/${subdir}] "
				read resp junk
				[ ! "$resp" ] && resp="/$subdir"
				absolute=`expr X"$resp" : 'X[Cc]*:*\([/\]\)'`
				subsub=$(echo "${resp}" | \
				awk '{ sub(/^[Cc]*:*/, ""); gsub(/\\/, "/"); gsub(/^\/*/, ""); gsub(/\/*$/, ""); print $0 }')
				if [ "$absolute" -o ! "$subdir" ]; then
					newsub=$subsub
				else
					newsub=$subdir/$subsub
				fi
				if [ -d ${dir}/${newsub} ]; then
					subdir=$newsub
				else
					echo "C:/${newsub}: No such directory"
				fi
			fi
			;;
		g*|G*)	
			sync
			if [ "$drive" = "C" ]; then
				[ "$verbose" ] &&
				{ echo; echo "Copying files from MS-DOS C:/${subdir}"; }
				cp ${msdos_dir}/${subdir}/* .
				sync
			elif mount -t pcfs $verbose $device $dir; then 
				[ "$verbose" ] && 
				{ echo; echo "Copying files to disk..."; }
				cp $interactive $dir/* .
				sync
				umount $dir
				tmp=$drive; drive=$altdrive; altdrive=$tmp
			fi
			;;
		i*|I*)	
			tmp=$interactive; interactive=; [ -z "$tmp" ] && interactive=-i
			tmp=on; [ -z "$interactive" ] && tmp=off
			echo "interactive mode is $tmp"
			;;
		l*|L*)
			sync
			[ "$verbose" ] && echo "Directory of ${drive}:/${subdir}"
			if [ "$drive" = "C" ]; then
				ls -l $dir/${subdir}
			else
				umount $dir >/dev/null 2>&1
				if mount -t pcfs $device $dir; then 
					ls -l $dir/${subdir}
					umount $dir
				fi
			fi
			;;
		o*|O*)	
			tmp=$drive; drive=$altdrive; altdrive=$tmp
			;;
		q*|Q*)	
			drive=q
			;;
		s*|S*)	
			echo; echo -n "tmp_dir is set to $tmp_dir"
			[ "$tmp_dir" != "`pwd`" ] && echo -n " (physically `pwd`)"
			echo; echo "Free space in tmp_dir:"
			df -k .
			echo -n "Reading from drive $drive:"
			[ "$drive" != "$altdrive" ] && echo -n " and drive $altdrive:"
			echo
			tmp=on; [ -z "$verbose" ] && tmp=off
			echo "Verbose mode is $tmp"
			tmp=on; [ -z "$interactive" ] && tmp=off
			echo "Interactive mode is $tmp"
			;;
		v*|V*)	
			tmp=$verbose; verbose=; [ -z "$tmp" ] && verbose=-v
			tmp=on; [ -z "$verbose" ] && tmp=off
			echo "verbose mode is $tmp"
			;;
		\?)	
			echo
			echo "Enter:		To:"
			echo "-----		---"
			echo "(just RETURN)	Copy files from ${drive}:/${subdir} to $tmp_dir"
			echo "  c		Change directory of MS-DOS drive C:"
			echo "  i		Toggle interactive mode (cp -i)"
			echo "  l		List directory of current drive"
			echo "  o		Read from alternate floppy drive"
			echo "  q		Quit"
			echo "  s		Show status"
			echo "  v		Toggle verbose mode"
			echo 
			;;
		esac
	done
	echo "Working directory: `pwd`"
	unset verbose answer drive altdrive device dir subdir tmp interactive
}
load_dos()
{
	load_fd
}
load_qic_tape()
{
	tmp_dir
	echo -n "Insert tape into QIC tape drive and hit return to continue: "
	read foo
	tar --unlink -xvf /dev/rwt0
}
load_scsi_tape()
{
	tmp_dir
	echo -n "Insert tape into SCSI tape drive and hit return to continue: "
	read foo
	tar --unlink -xvf /dev/nrst0
}
extract()
{
	[ X"$1" = X"" ] && { echo "usage: extract dist-prefix"; return; }
	tmp_dir find
	echo -n "Would you like to be verbose about this? [n] "
	read verbose
	case $verbose in
	y*|Y*)
		tarverbose=--verbose
		;;
	*)
		tarverbose=
		;;
	esac
	#XXX ugly hacks to get around busy text files/symlink problems.
	if [ X"$1" = X"bin" ]; then
		rm -f /bin/sh.$$ /sbin/init.$$ /etc/termcap.$$
		mv /bin/sh /bin/sh.$$
		mv /sbin/init /sbin/init.$$
		mv /etc/termcap /etc/termcap.$$
	fi
	if [ X"$1" = X"des" ]; then
		rm -f /sbin/init.$$
		mv /sbin/init /sbin/init.$$
	fi
	for i in $*; do
		cat "$i"* | 
		gunzip |
		(cd / ; tar --unlink --extract --file - --preserve-permissions ${tarverbose} )
	done
	sync
	[ X"$1" = X"bin" ] && echo "Run \`configure' to complete installation." 
	echo "(wd is now: `pwd`)"
}
configure()
{
	echo	"You will now be prompted for information about this"
	echo	"machine.  If you hit return, the default answer (in"
	echo	"brackets) will be used."

	echo
	echo -n "What is this machine's hostname? [unknown.host.domain] "
	read hname

	if [ "$hname" = "" ]; then
		hname=unknown.host.domain
	fi
	echo $hname > /etc/myname
	proto_domain=`echo $hname | sed -e 's/[^.]*\.//'`
	
	echo
	echo	"What domain is this machine in (this is NOT its YP"
	echo -n "domain name)? [$proto_domain] "
	read dname

	if [ "$dname" = "" ]; then
		dname=$proto_domain
	fi

	echo
	echo -n "Does this machine have an ethernet interface? [y] "
	read resp
	case "$resp" in
	n*)
		;;
	*)
		intf=
		while [ "$intf" = "" ]; do
			echo -n "What is the primary interface name (i.e. ed0, etc.)? "
			read intf
		done
		echo -n "What is the hostname for this interface? [$hname] "
		read ifname
		if [ "$ifname" = "" ]; then
			ifname=$hname
		fi
		ifaddr=
		while [ "$ifaddr" = "" ]; do
			echo -n "What is the IP address associated with this interface? "
			read ifaddr
		done
		echo "$ifaddr    $ifname `echo $ifname | sed -e s/\.$dname//`" \
			>> /etc/hosts

		echo -n "Does this interface have a special netmask? [n] "
		read resp
		case "$resp" in
		y*)
			echo -n "What is the netmask? [0xffffff00] "
			read resp
			if [ "$resp" = "" ]; then
				ifnetmask="netmask 0xffffff00"
			else
				ifnetmask="netmask $resp"
			fi
			;;
		*)
			ifnetmask=
			;;
		esac
		
		echo -n "Does this interface need additional flags? [n] "
		read resp
		case "$resp" in
		y*)
			echo -n "What flags? [llc0] "
			read ifflags
			if [ "$ifflags" = "" ]; then
				ifflags=llc0
			fi
			;;
		*)
			ifflags=
			;;
		esac
		
		echo "inet $ifname $ifnetmask $ifflags" > /etc/hostname.$intf

		echo	""
		echo	"WARNING: if you have any more ethernet interfaces, you"
		echo	"will have to configure them by hand.  Read the comments"
		echo	"in /etc/netstart to learn how to do this"
		;;
	esac

	echo
	echo	"Setting up access to a nameserver:"
	echo -n	"Do you want to configure /etc/resolv.conf? [n]: "
	read resp
	case "$resp" in
	y*)
		echo    "OK: Configuring your /etc/resolv.conf"
		echo	"If you need more information about resolv.conf"
		echo	"type \"man 5 resolver\" once you have COMPLETED"
		echo	"installation of the binary distribution."
		echo	""

		nameserver=
		while [ "$nameserver" = "" ]; do
			echo -n "Enter the IP number of your nameserver: "
			read nameserver
		done

		echo "nameserver $nameserver" > /etc/resolv.conf
		
		echo " "
		;;
	*)
		;;
	esac

	sync

	echo
	echo	"OK.  You should be completely set up now."
	echo	"You should now reboot your machine by issuing the 'reboot' command"
	echo	"after removing anything that happens to be in your floppy drive."
}