#
# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# ident	"%Z%%M%	%I%	%E% SMI"
#
# Class action script for "kcfconf" class files.
#
# This script appends the input file from the package to the 
# /etc/crypto/kcf.conf file.
#
# The syntax of the input file for a kernel software provider package is
# <provider_name>:supportedlist=<mechlist> 
#   where
#     <provider_name> ::= the kernel software module base name
#     <mechlist> ::= <mechanism>{,<mechanism>}*
#     <mechanism> ::= a mechanism name as specified by the RSA PKCS#11 spec.
#
# The syntax of the input file for a cryptographic provider device driver(s)
# package is 
# driver_names=<driver_name_list>
#   where
#     <driver_name_list> ::= <name>{,<name>}*
#     <name> ::= a device driver name
#
pkg_start="# Start $PKGINST"
pkg_end="# End $PKGINST"
tmpfile=/tmp/$$kcfconf
error=no
 
while read src dest
do
	[ "$src" = /dev/null ] && continue

	if [ -f "$dest" ]
	then
		# For multiple input files; exit if error occurred in previous
		# input file.
		if [ "$error" = yes ]
		then
			echo "$0: failed to update $lastdest for $PKGINST."
			exit 2
		fi
		lastdest=$dest

		#
		# If the package has been already installed, remove old entries
		#
		start=0;
		end=0;
		egrep -s "$pkg_start" $dest && start=1
		egrep -s "$pkg_end" $dest && end=1

		if [ $start -ne $end ]
		then
			echo "$0: missing Start or End delimiters for \
			    $PKGINST in $dest."
			echo "$0: $dest may be corrupted and was not updated."
			error=yes
			continue
		fi

		if [ $start -eq 1 ]
		then
			sed -e "/$pkg_start/,/$pkg_end/d" $dest > $tmpfile \
			|| error=yes
		else
			cp $dest $tmpfile || error=yes
		fi

		#
		# Check the input file syntax and append the input entries 
		# with the package delimiters.
		#
		line_count=`wc -l $src | awk '{ print $1}'`

		grep "driver_names" $src > /dev/null
		if [ $? -eq 0 ]
		then
			#
			# This is a device driver package.
			# - $src should contain only one line.
			# - If syntax of $src is correct, append the package
			#   start delimiter with the driver_names string.
			#
			if [ $line_count -ne 1 ]; then
				echo "$0: Syntax Error - $src for $PKGINST."
				error=yes
				continue
			else 
				echo "$pkg_start `cat $src`" >> $tmpfile \
				|| error=yes
			fi
		else 
			#
			# This is a kernel software provider package.
			# - Each line in $src should contain "supportedlist".
			# - If syntax of $src is correct, append the package
			#   start delimiter and the $src file.
			#
			supported_count=`grep supportedlist $src |wc -l`
			if [ $line_count -ne $supported_count ]
			then
				echo "$0: Syntax Error - $src for $PKGINST."
				error=yes
				continue
			else
				echo "$pkg_start" >> $tmpfile || error=yes
				cat $src >> $tmpfile || error=yes
			fi
		fi
		echo "$pkg_end" >> $tmpfile || error=yes
    
		# Install the updated config file and clean up the tmp file
                if [ "$error" = no ]
                then 
			mv $tmpfile $dest || error=yes
		fi
		rm -f $tmpfile   
	else
		echo "$0: ERROR - $dest doesn't exist for $PKGINST."
		exit 2
	fi
done

if [ "$error" = yes ]
then
	echo "$0: ERROR - failed to update $lastdest for $PKGINST."
	exit 2
fi

exit 0