#!/bin/sh
# @(#)addclipr.sh	1.6	8/25/95

trap "" 1 2 15

LMPATHS="`/bin/dirname $0`/../lib/lmpaths"

if [ -f ${LMPATHS} ]
then
    . ${LMPATHS}
else
    . lmpaths
fi

oulimit=`ulimit`

ulimit 512

prname=$2

clname=`echo $1 | tr "[A-Z]" "[a-z]"`
prtype=$3

#
# check that the user is root
#
if [ -x /usr/bin/id ]
then
	eval `/usr/bin/id | sed 's/(/ \# /'`
	if [ "${uid:=0}" -ne 0 ]
	then
	  echo "You must be super-user (root) to execute this script."
	  exit 1
	fi
else
	echo "$0: Cannot check user id."
	exit 1
fi

if [ $# -lt 3 ]
then
	echo "usage: addclipr <clientname> <printername> <printertype>"
	exit 1
fi

#
# Make sure the setuid bit is on in disable.
#

uidbit=`/bin/ls -l $LPDISABLE_PATH | cut -c4`
if [ "$uidbit" != "s" ]
then
	echo
	echo " To use client printers, '$PUBLIC_FILE_OWNER' must be allowed \c"
	echo " to disable printers."
	echo " The 'disable' command on this machine is restricted  \c"
	echo " to 'lp' and 'root'."

	ans=x
	while [ "$ans" != "y" -a "$ans" != "Y" -a "$ans" != "n" -a "$ans" != "N" -a "$ans" != "" ]
	do
		echo " Can 'disable' privileges be granted to all users? [y/n] y\b\c"
		read ans
	done

	if [ "$ans" = "n" -o "$ans" = "N" ]
	then
		echo
		echo " Client printer not added."
		exit 1
	fi

	/bin/chmod u+s $LPDISABLE_PATH
fi

action="add"

echo
echo " Adding the device..."

if [ "$clname" = "" -o "$prtype" = "" ]
then
	echo
	echo " You must enter the client name and printer type,"
	echo " as requested."
	echo
	echo " Client printer not added."
	exit 1
fi

for i in config spool clipr standard
do
	if [ "$clname" = "$i" ]
	then
		echo
		echo " The client printer name you selected is reserved."
		echo
		echo " Client printer not added."
		exit 1 
	fi
done

#
# You can only set up one printer per client.
#

file=`grep "CLIENT=$clname$" $CONFIGDIR_PATH/* 2>/dev/null \
	| cut -d: -f1`

if [ -n "$file" ]
then
	echo
	echo " There is already a printer shared on \"$clname\"."
	echo
	echo " Client printer not added."
	exit 1
fi


notrunning=`$LPSTAT_PATH -r | grep not`
if [ -n "$notrunning" ]
then
	echo
	echo " The LP Spooler is not currently running."
	echo " It must be running in order to $action the client printer."
	echo

	ans=x
	while [ "$ans" != "y" -a "$ans" != "Y" -a "$ans" != "n" -a "$ans" != "N" -a "$ans" != "" ]
	do
		echo " Would you like to restart the Spooler now [y/n]? y\b\c"

		read ans
	done

	if [ "$ans" != "n" -a "$ans" != "N" ]
	then
		echo
		echo " The Spooler will be restarted... "

		$LPSCHED_PATH >/dev/null 2>/dev/null

		if [ "$?" -ne 0 ]
		then
			echo
			echo " Cannot restart the LP Spooler."
			echo
			echo " Follow the printer instructions in your System "
			echo " Administration manual to restart the Spooler "
			echo " and then $action the client printer."

			if [ "$action" = "add" ]
			then
				exit 1
			fi

			exit 1
		fi
	else
		echo
		echo " Follow the printer instructions in your System "
		echo " Administration manual to restart the Spooler "
		echo " and then $action the client printer."

		exit 1
	fi
fi

#
# See if the client name has already been used for a printer name.
# If it hasn't been used, use the client name.  Else, use a variation.
#

if [ "$prname" = "" ]
then
	prname=`echo $clname | cut -c1-8`
fi

(
cd $LANMAN_PATH

if [ "$action" = "add" ]
then
	prtlist=`$LPSTAT_PATH -p 2>/dev/null | cut -d' ' -f2`

	for name in $prtlist
	do
		if [ "$name" = "$prname" ]
		then
			nameinuse=0
		fi
	done

	#
	# If the LP Spooler name has already been used fail this operation
	#

	if [ "$nameinuse" = "0" ]
	then
		echo
		echo " The printer name \"$prname\" is already in use\c"
		echo " by the LP Spooler."
		echo " Please try this command again with a different printer\c"
		echo " name."
		echo

		>/tmp/nogo$$ 2>/dev/null
		exit 1
	fi

	#
	# Try to create a client share that is associated with this printer.
	# This is where jobs will be queued for the client printer.
	#

	clshare=0

	newname=`echo $prname | cut -c1-7`

	for ltr in z y x w v u t s r q p
	do
		$LMSHARE_PATH -f $newname$ltr 1 >/dev/null 2>/dev/null

		if [ "$?" -ne 0 ]
		then
			clshare=$newname$ltr
			break;
		fi
	done

	if [ "$clshare" = "0" ]
	then
		echo
		echo " Unable to create a client spool share using the sharename \c"
		echo " [$prname]."
		echo
		echo " Please select a printer name other than [$prname]."

		>/tmp/nogo$$ 2>/dev/null
		exit 1
	fi

	#
	# Create client spool directory share and verify that it happened.
	# (Share it as READ-ONLY, Maxusers = 1.)
	
	ulimit $oulimit >/dev/null 2>/dev/null

	$LMSHARE_PATH -a -i >/dev/null 2>/dev/null <<END
"$clshare" "d" "Client Printer Share for $clname" "r" "1" "$CLIPRDIR_PATH/$prname" "" "" "0" "" "0" "" "0" "" "" "" "" ""
END

	$LMSHARE_PATH -f $clshare 1 >/dev/null 2>/dev/null

	if [ "$?" -ne 0 ]
	then
		echo
		echo " Unable to share [$clshare]."
		echo
		echo " Please select a sharename other than [$prname]."

		>/tmp/nogo$$ 2>/dev/null
		exit 1
	fi
	
	#
	# Create client spool directory for client printer to match that 
	# specified in the share name above.
	#

	CLISHARE=$CLIPRDIR_PATH/$prname
	if [ ! -d "$CLISHARE" ]
	then
		mkdir $CLISHARE
	fi
	chmod 777 $CLISHARE
	chown $PUBLIC_DIR_OWNER $CLISHARE

	#
	# Grant access to client spool dir to Domain Users and Domain Guests.
	#
	$NET_PATH access c:$CLIPRDIR_PATH/$prname /grant "Domain Users":r "Domain Guests":r >/dev/null 2>/dev/null

	ulimit 512

	JOBFILE=$CLISHARE/job
	if [ ! -f "$JOBFILE" ]
	then
		> $JOBFILE
	fi
	chmod 666 $JOBFILE
	chown $PUBLIC_FILE_OWNER $JOBFILE

	#
	# Create configuration directory for client printers if it doesn't exist.
	# Create the printers config file in it.
	#

	if [ ! -d $CONFIGDIR_PATH ]
	then
		mkdir $CONFIGDIR_PATH
	fi
	chown $PUBLIC_DIR_OWNER $CONFIGDIR_PATH
	echo "CLIENT=$clname" > $CONFIGDIR_PATH/$prname
	echo "#PRTYPE=$prtype" >> $CONFIGDIR_PATH/$prname
	echo "CLSHARE=$clshare" >> $CONFIGDIR_PATH/$prname
	# ensure everybody can read it
	chmod g+r $CONFIGDIR_PATH/$prname
	chmod o+r $CONFIGDIR_PATH/$prname
else
	# make sure you didn't use a variation on the client name.
	if [ ! -f $CONFIGDIR_PATH/$prname ]
	then
		newname=`echo $clname | cut -c1-7`

		for num in 0 1 2 3 4 5 6 7 8 9
		do
			newname=$newname$num
			if [ -f $CONFIGDIR_PATH/$newname ]
			then
				prname=$newname
				break;
			fi
		done
	fi
fi

#
# Do the lp stuff... 
# Change LOGNAME so alerts come from the right source.
# Null out the environmment to be sure things run right.
# cd / so printer alerts won't cd to the current directory.
#

tmptype=""
#if [ -f "$PORTSET_DATABASE_PATH" ]
#then
#	tmptype=`grep  "^$prtype	" $PORTSET_DATABASE_PATH`
#else
#	tmptype=`grep  "^$prtype	" $DATABASE_PATH`
#fi
if [ -n "$tmptype" ]
then
	realtype=`echo $tmptype | cut -d' ' -f4`
else
	realtype=$prtype
fi
if [ "$realtype" = "ps" ]
then
	realtype="PS"
fi

cd /
if [ "$action" = "add" ]
then
	env - LOGNAME=lp OnChAnGe=1 $LPADMIN_PATH -p$prname \
		-v/dev/null -i $TMPL_IFC_PATH \
		-T$realtype -onobanner \
		-fdeny:none -Fcontinue  \
		-o stty=-opost
else
	#
	# Only make the change if the printer type is really being changed.
	#
	samepr=`grep "PRTYPE" $CONFIGDIR_PATH/$prname | grep $prtype`
	if [ -n "$samepr" ]
	then
		# The printer type is NOT being changed!
		>/tmp/nochg$$ 2>/dev/null
	else
		env - LOGNAME=lp OnChaAnGe=1 $LPADMIN_PATH -p$prname \
			-T$realtype >/dev/null 2>/dev/null

		grep -v "PRTYPE" $CONFIGDIR_PATH/$prname > /tmp/$prname$$
		echo "#PRTYPE=$prtype" >> /tmp/$prname$$
		cp /tmp/$prname$$ $CONFIGDIR_PATH/$prname
		rm -f /tmp/$prname$$
	fi
fi

if [ "$?" -ne 0 ]
then
	echo
	if [ "$action" = "add" ]
	then
		echo " Unable to add \"$prname\" to LP administration."
		echo

		#
		# Undo what's been done.  Since there's alot of stuff, just call
		# delcli ...
		#

		$DELCLIPR_PATH $prname "no"
		echo
	else
		echo " Unable to modify \"$prname\"."
	fi

	>/tmp/nogo$$ 2>/dev/null
	exit 1
else
	echo
	if [ "$action" = "add" ]
	then
		echo " The printer connected to the client PC named\c"
		echo " \"$clname\" has been added to the"
		echo " LP Spooler."
		echo " This device can be accessed by UNIX users via the\c"
		echo " \"lp -d$prname\""
		echo " command."
		echo
		echo " To make the client print device available over the\c"
		echo " network you must: "
		echo " 1. Share a print queue that sends jobs to the device \c"
		echo "\"$prname\"."
		echo " 2. Activate the printer connected to the client PC\c"
		echo " named \"$clname\"."
		echo "    (Consult your manual for more details.) "
	else
		if [ ! -f /tmp/nochg$$ ]
		then
			echo " The client printer named \"$prname\" has been changed."
		fi
	fi
fi

if [ "$action" = "add" ]
then
	#
	# Accept and enable the printer.
	#

	$LPACCEPT_PATH $prname >>/dev/null 2>>/dev/null

	if [ "$?" -ne 0 ]
	then
		echo
		echo " Unable to get \"$prname\" to accept new jobs."
		echo
		echo " Follow the printer instructions in your System Administration manual"
		echo " to accept new jobs on your client printer \"$prname\" when you want"
		echo " it to become active."
	fi

	$LPENABLE_PATH $prname >>/dev/null 2>>/dev/null

	if [ "$?" -ne 0 ]
	then
		echo
		echo " Could not enable \"$prname\"."
		echo
		echo " Follow the printer instructions in your System Administration manual"
		echo " to accept new jobs on your client printer \"$prname\" when you want"
		echo " it to become active."
	fi
fi

if [ "$realtype" = "PS" ]
then
	env - LOGNAME=lp OnChAnGe=1 $LPADMIN_PATH -p$prname -Ipostscript \
		>/dev/null 2>/dev/null

	if [ $? -ne 0 ]
	then
		echo
		echo " The type of printer that you selected was postscript."
		echo
		echo " In order for jobs to print successfully on this printer,"
		echo " you must set the content type for $prname to postscript."
		echo
		echo " Consult your System Administrator's Guide for the exact "
		echo " procedure."
	fi
fi
)

if [ -f /tmp/nogo$$ ]
then
	/bin/rm -f /tmp/nogo$$ >/dev/null 2>/dev/null
	exit 1
fi

echo
if [ "$action" = "add" ]
then
	echo " The addition of the client printer to LP is complete."
	echo
else
	if [ ! -f /tmp/nochg$$ ]
	then
		echo " The change is now complete."
	else
		echo " The printer type for $clname was already $prtype."
		echo 
		echo " Change aborted."
		/bin/rm -f /tmp/nochg$$ >/dev/null 2>/dev/null
	fi
fi
exit 0