#!/bin/sh
#
# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#ident	"@(#)i.nametomajor	1.32	05/07/11 SMI"

PATH=/usr/bin:/usr/sbin:$PATH; export PATH

#
# add_major - adds new major numbers to system for device drivers on older
# Solaris systems where add_drv -b was not available or had bugs.  This 
# code will be removed when doing a server_upgrade on systems with missing
# or broken add_drv is eventually EOL'd.  DO NOT COPY THIS CODE TO OTHER
# PACKAGE SCRIPTS!
#
add_major()
{
	tmpfile=/tmp/nm.$$.tmp

	if [ -f $BASEDIR/etc/rem_name_to_major ]; then
		rem_file="$BASEDIR/etc/rem_name_to_major"
	fi

	sort +1 -2n $dest $rem_file | nawk '#
BEGIN	{oldmajor = -1}
NR == 1	{n=split(namelist,x)
	 if (n < 1)
	    exit(1)
	 for (i=1; i<=n; i++)
	    chklist[x[i]]++
	}
	{for (name in chklist)
	 {
	    if ($1 == name)
		delete chklist[name]
	 }
	 if (($2 - oldmajor) > 1)
	 {
	    gap++
	    gaplist[gap] = oldmajor " " $2;
	 }
	 oldmajor = $2;
	}
END	{addsize=1
	 for (name in chklist)
	    addlist[addsize++] = name
	
	 addidx = 1
	 for (i=1; i<=gap && addidx < addsize; i++)
	 {
	    split(gaplist[i],x)
	    begmajor = x[1]
	    endmajor = x[2]
	    for (begmajor++;begmajor < endmajor && addidx < addsize;)
	    {
		printf "%s %d\n",addlist[addidx],begmajor
		addidx++
		begmajor++
	    }
	 }
	 for (; addidx < addsize; addidx++)
	 {
	    oldmajor++
	    printf "%s %d\n",addlist[addidx],oldmajor
	 }
	}
' namelist="$*" - > $tmpfile

	if [ -s $tmpfile ]; then
		echo "Adding the following devices to $dest :"
		cat $tmpfile
		sort +1 -2n $dest $tmpfile -o $dest
	fi

	rm -f $tmpfile
}

#
# obsolete_sparc - Filter function to remove obsolete SPARC driver entries.
# We define an associative array of bad driver names, and then nawk out
# lines where the first token is defined in our array.
#
obsolete_sparc()
{
	nawk 'BEGIN {
		obs["rip"] = 1;
		obs["svloop"] = 1;
		obs["tcl"] = 1;
		obs["tco"] = 1;
		obs["tcoo"] = 1;
		obs["sp"] = 1;
		obs["consfb"] = 1;
		obs["XXunusedXX"] = 1;
		obs["sw"] = 1;
		obs["cgtwo"] = 1;
		obs["xy"] = 1;
		obs["xd"] = 1;
		obs["pc"] = 1;
		obs["app"] = 1;
		obs["evq"] = 1;
		obs["win"] = 1;
		obs["svarp"] = 1;
		obs["svip"] = 1;
		obs["svrip"] = 1;
		obs["svicmp"] = 1;
		obs["svudp"] = 1;
		obs["svtcp"] = 1;
		obs["vme"] = 1;
		obs["ie"] = 1;
		obs["qe"] = 1;
		obs["qec"] = 1;
		obs["ncr"] = 1;
		obs["xt"] = 1;
		obs["id"] = 1;
		obs["vmemem"] = 1;
		obs["pn"] = 1;
		obs["kmac"] = 1;
		obs["ipi3sc"] = 1;
		obs["cgfour"] = 1;
		obs["cgeight-p4"] = 1;
		obs["xdc"] = 1;
		obs["xyc"] = 1;
		obs["mcp"] = 1;
		obs["mcpzsa"] = 1;
		obs["mcpp"] = 1;
		obs["be"] = 1;
		obs["p9000"] = 1;
		obs["p9100"] = 1;
		obs["pci"] = 1;
		obs["profile"] = 1;
		obs["eeprom"] = 1;
		obs["PFUaga"] = 1;
		obs["atapicd"] = 1;
		obs["cgeight"] = 1;
		obs["cgfourteen"] = 1;
		obs["xbox"] = 1;
		obs["sx"] = 1;
		obs["sx_cmem"] = 1;
		obs["stc"] = 1;
		obs["bbc"] = 1;
		obs["gptwo"] = 1;
		obs["bwtwo"] = 1;
		obs["cgthree"] = 1;
		obs["obio"] = 1;
		obs["cpu"] = 1;
		obs["bootbus"] = 1;
		obs["sbi"] = 1;
		obs["mic"] = 1;
		obs["pln"] = 1;
		obs["soc"] = 1;
		obs["sc_nct"] = 1;
		obs["tomtppm"] = 1;
	} !($1 in obs) { print $1, $2 }'
}

#
# obsolete_i386 - Filter function to remove obsolete i386 driver entries.
# We define an associative array of bad driver names, and then nawk out
# lines where the first token is defined in our array.
#
obsolete_i386()
{
	nawk 'BEGIN {
		obs["aha"] = 1;
		obs["aic"] = 1;
		obs["app"] = 1;
		obs["audiocs"] = 1;
		obs["blogic"] = 1;
		obs["chanmux"] = 1;
		obs["cmtp"] = 1;
		obs["corvette"] = 1;
		obs["cpqncr"] = 1;
		obs["csa"] = 1;
		obs["dpt"] = 1;
		obs["dsa"] = 1;
		obs["eepro"] = 1;
		obs["eha"] = 1;
		obs["el"] = 1;
		obs["elink"] = 1;
		obs["elx"] = 1;
		obs["envm"] = 1;
		obs["esa"] = 1;
		obs["esa"] = 1;
		obs["iee"] = 1;
		obs["ieef"] = 1;
		obs["iss"] = 1;
		obs["kd"] = 1;
		obs["kdmouse"] = 1;
		obs["lp"] = 1;
		obs["mc"] = 1;
		obs["mcis"] = 1;
		obs["mega"] = 1;
		obs["mlx"] = 1;
		obs["nee"] = 1;
		obs["nei"] = 1;
		obs["nfe"] = 1;
		obs["p9000"] = 1;
		obs["p9100"] = 1;
		obs["pcaic"] = 1;
		obs["profile"] = 1;
		obs["riles"] = 1;
		obs["rip"] = 1;
		obs["smartii"] = 1;
		obs["smc"] = 1;
		obs["smce"] = 1;
		obs["smceu"] = 1;
		obs["smcf"] = 1;
		obs["sp"] = 1;
		obs["svarp"] = 1;
		obs["svicmp"] = 1;
		obs["svip"] = 1;
		obs["svloop"] = 1;
		obs["svrip"] = 1;
		obs["svtcp"] = 1;
		obs["svudp"] = 1;
		obs["tcl"] = 1;
		obs["tco"] = 1;
		obs["tcoo"] = 1;
		obs["tiqmouse"] = 1;
		obs["tr"] = 1;
		obs["trantor"] = 1;
	} !($1 in obs) { print $1, $2 }'
}

#
# Useful debugging which is reasonable to include in a production system:
# we copy the salient driver files to the package undo directory before
# doing any work.  This will help diagnose add_drv errors before the system
# becomes an unbootable smoldering ruin.
#
for file in driver_aliases driver_classes minor_perm name_to_major; do
	cp $BASEDIR/etc/$file $PKGSAV/$file.orig >/dev/null 2>&1
done

#
# Add_drv needs /etc/driver_aliases in order to work properly; if for
# some reason it has been removed, create an empty one at this time.
# Recall that in SUNWcsr's pkginfo.tmpl, the driver_aliases class-action
# script is invoked *after* this class-action script.  This is critical
# because if we are going to add_drv a new driver 'foo', and 'foo' has
# an alias 'bar', the add_drv of 'foo' will fail if the alias is already
# present.  Thus new aliases must be added *after* new driver major entries.
# The driver_aliases class-action script will add the complete set of aliases
# if we create an empty file here, so this code allows us to continue and
# get a correct upgrade in the face of a missing driver_aliases file.
#
if [ ! -f $BASEDIR/etc/driver_aliases ]; then
        touch $BASEDIR/etc/driver_aliases
        chmod 0644 $BASEDIR/etc/driver_aliases
	chown root $BASEDIR/etc/driver_aliases
        chgrp sys $BASEDIR/etc/driver_aliases
fi

while read src dest; do
	if [ -f $dest ]; then
		#
		# Strip obsolete entries from the existing name_to_major
		#
		if [ $ARCH = sparc ]; then
			obsolete_sparc < $dest > /tmp/onm.$$.tmp
		else
			obsolete_i386  < $dest > /tmp/onm.$$.tmp
		fi

		cp /tmp/onm.$$.tmp $dest
		rm -f /tmp/onm.$$.tmp

		# PKG_CLIENT_VERSION is provided by PSARC 2001/472 for allowing
		# package developers to inspect a client's OS VERSION from
		# within a package procedure script. It returns following
		# possible OS VERSION #'s(up to S10): 2.3, 2.4, 2.5, 2.5.1, 2.6
		# 2.7, 8, 9, 10...
		if [ "$PKG_CLIENT_VERSION" ]; then
			# remove the leading "2.", if any
			os_rev=`echo $PKG_CLIENT_VERSION | sed -e 's/^2\.//'`
		else
			# fall back to use "uname" and remove the leading "5."
			os_rev=`uname -r | sed -e 's/^5\.//'`
		fi

		while read name major; do
			#
			# If the driver is already present in name_to_major,
			# leave the existing number and continue
			#
			grep -w $name $dest >/dev/null 2>&1 && continue

			#
			# Otherwise add the driver to name_to_major using
			# add_major or add_drv:
			#
			case $os_rev in
			   "3") add_major $name;;
			   "4") add_major $name;; 
			   "5") add_major $name;; 
			 "5.1") add_major $name;; 
			     *)
				#
				# add_drv produces spurious output even on
				# success, so save its output in a temporary
				# file in case an error occurs.
				#
				if add_drv -b $BASEDIR $name \
				    >/tmp/ad.$$.tmp 2>&1; then
					echo "added $name to $dest"
				else
					echo "$PKG: failed to add $name to " \
					    "$dest:" >& 2
					cat /tmp/ad.$$.tmp >& 2
				fi
				;;
			esac
		done < $src
		rm -f /tmp/ad.$$.tmp
	else
		#
		# If no name_to_major is present on the target system,
		# just copy over the one from the package.
		#
		cp -p $src $dest
	fi

    	sort +1 -2n -o $dest $dest
done
exit 0