# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: mail-filter/dspam/dspam-3.4.ebuild Exp $

inherit eutils

S=${WORKDIR}/${PN}-${PV}
DESCRIPTION="A statistical-algorithmic hybrid anti-spam filter"
SRC_URI="http://dspam.nuclearelephant.com/sources/${PN}-${PV}.tar.gz
		http://dspam.nuclearelephant.com/sources/extras/dspam_sa_trainer.tar.gz"
HOMEPAGE="http://dspam.nuclearelephant.com/"
LICENSE="GPL-2"

IUSE="cyrus debug exim mysql maildrop neural oci8 postgres procmail sqlite sqlite3 large-domain"
DEPEND="exim? ( >=mail-mta/exim-4.34 )
		mysql? ( >=dev-db/mysql-3.23 ) || ( >=sys-libs/db-4.0 )
		maildrop? ( >=mail-filter/maildrop-1.5.3 )
		sqlite? ( <dev-db/sqlite-3 )
		sqlite3? ( >=dev-db/sqlite-3 )
		postgres? ( >=dev-db/postgresql-7.4.3 )
		procmail? ( >=mail-filter/procmail-3.22 )
		x86? ( cyrus? ( >=net-mail/cyrus-imapd-2.1.15 ) )
		>=sys-libs/db-4.0
		"
RDEPEND="sys-process/cronbase
		app-admin/logrotate"
KEYWORDS="~x86 ~ppc ~alpha"
SLOT="0"

# some FHS-like structure
HOMEDIR="/etc/mail/dspam"
DATADIR="/var/spool/dspam"
LOGDIR="/var/log/dspam"

pkg_setup() {
	local multiple_dbs="0"
	local supported_dbs="mysql postgres oci8 sqlite sqlite3"
	for foo in ${supported_dbs}; do
		if use ${foo}; then
			let multiple_dbs="((multiple_dbs + 1 ))"
			einfo " ${foo} database support in your USE flags."
		fi
	done
	if [ "${multiple_dbs}" -ge "2" ]; then
		echo
		ewarn "You have multiple database backends active in your USE flags."
		ewarn "Will default to MySQL as your dspam database backend."
		ewarn "If you want to build with another database backend; hit Control-C now."
		ewarn "Change your USE flag -mysql and emerge again."
		echo
		has_version ">=sys-apps/portage-2.0.50" && (
		einfo "It would be best practice to add the set of USE flags that you use for this"
		einfo "package to the file: /etc/portage/package.use. Example:"
		einfo "\`echo \"mail-filter/dspam -mysql postgres -oci8 -sqlite\" >> /etc/portage/package.use\`"
		einfo "to build dspam with Postgres database as your dspam backend."
		)
		echo
		ewarn "Waiting 30 seconds before starting..."
		ewarn "(Control-C to abort)..."
		epause 30
	elif [ "${multiple_dbs}" -eq "0" ]; then
		echo
		ewarn "You need to select at least one database backend in your USE flags."
		ewarn "Please enable one of the following USE flags:"
		ewarn "  ${supported_dbs}"
		echo
		die "Database support missing"
	fi
	has_version sys-kernel/linux26-headers || (
		einfo "To use the new DSPAM deamon mode, you need to emerge"
		einfo "sys-kernel/linux26-headers and rebuild glibc to support NPTL"
		echo
		ewarn "Waiting 30 seconds before starting..."
		ewarn "(Control-C to abort)..."
		epause 30
	)
	id dspam 2>/dev/null || enewgroup dspam 26
	id dspam 2>/dev/null || enewuser dspam 26 /bin/bash ${HOMEDIR} dspam
}

src_compile() {
	local myconf

	# Enable/Disable options
	#myconf="${myconf} --disable-alternative-bayesian"
	#myconf="${myconf} --disable-bias"
	#myconf="${myconf} --disable-burton-bayesian"
	#myconf="${myconf} --disable-graham-bayesian"
	#myconf="${myconf} --disable-mysql4-initialization"
	#myconf="${myconf} --disable-test-conditional"
	#myconf="${myconf} --disable-traditional-bayesian"
	#myconf="${myconf} --disable-trusted-user-security"
	#myconf="${myconf} --enable-bnr-debug"
	#myconf="${myconf} --enable-chi-square"
	#myconf="${myconf} --enable-dclassify-extension"
	#myconf="${myconf} --enable-daemon"
	#myconf="${myconf} --enable-dclassify-extension"
	#myconf="${myconf} --enable-debug"
	#myconf="${myconf} --enable-dependency-tracking"
	#myconf="${myconf} --enable-domain-scale"
	#myconf="${myconf} --enable-fast-install"
	#myconf="${myconf} --enable-homedir"
	#myconf="${myconf} --enable-large-scale"
	#myconf="${myconf} --enable-long-usernames"
	#myconf="${myconf} --enable-neural-networking"
	#myconf="${myconf} --enable-nodalcore"
	#myconf="${myconf} --enable-preferences-extension"
	#myconf="${myconf} --enable-profiling"
	#myconf="${myconf} --enable-robinson"
	#myconf="${myconf} --enable-robinson-pvalues"
	#myconf="${myconf} --enable-shared"
	#myconf="${myconf} --enable-static"
	#myconf="${myconf} --enable-spam-delivery"
	#myconf="${myconf} --enable-verbose"
	#myconf="${myconf} --enable-verbose-debug"
	#myconf="${myconf} --enable-virtual-users"
	#myconf="${myconf} --enable-warnings"

	# With options
	#myconf="${myconf} --with-db3-includes"
	#myconf="${myconf} --with-db3-libraries"
	#myconf="${myconf} --with-db4-includes"
	#myconf="${myconf} --with-db4-libraries"
	#myconf="${myconf} --with-delivery-agent"
	#myconf="${myconf} --with-dspam-group"
	#myconf="${myconf} --with-dspam-home"
	#myconf="${myconf} --with-dspam-home-group"
	#myconf="${myconf} --with-dspam-home-mode"
	#myconf="${myconf} --with-dspam-home-owner"
	#myconf="${myconf} --with-dspam-mode"
	#myconf="${myconf} --with-dspam-owner"
	#myconf="${myconf} --with-logdir"
	#myconf="${myconf} --with-mysql-includes"
	#myconf="${myconf} --with-mysql-libraries"
	#myconf="${myconf} --with-oracle-home"
	#myconf="${myconf} --with-pgsql-includes"
	#myconf="${myconf} --with-pgsql-libraries"
	#myconf="${myconf} --with-sqlite-includes"
	#myconf="${myconf} --with-sqlite-libraries"
	#myconf="${myconf} --with-storage-driver"

	myconf="${myconf} --enable-long-username"
	if use large-domain; then
	    myconf="${myconf} --enable-large-scale"
	else
	    myconf="${myconf} --enable-domain-scale"
	fi

	myconf="${myconf} --with-dspam-mode=4755"
	myconf="${myconf} --with-dspam-owner=dspam"
	myconf="${myconf} --with-dspam-group=dspam"
	myconf="${myconf} --with-dspam-home=${HOMEDIR}"
 	myconf="${myconf} --sysconfdir=${HOMEDIR}"
	myconf="${myconf} --with-logdir=${LOGDIR}"

	# enables support for debugging (touch /etc/dspam/.debug to turn on)
	# optional: even MORE debugging output, use with extreme caution!
	if use debug; 	then
		myconf="${myconf} --enable-debug"
 		myconf="${myconf} --enable-verbose-debug"
	fi

	# select storage driver
	if use mysql; then
		myconf="${myconf} --with-storage-driver=mysql_drv"
		myconf="${myconf} --with-mysql-includes=/usr/include/mysql"
		myconf="${myconf} --with-mysql-libraries=/usr/lib/mysql"
		myconf="${myconf} --enable-virtual-users"
		myconf="${myconf} --enable-preferences-extension"

		if has_version sys-kernel/linux26-headers; then
			myconf="${myconf} --enable-daemon"
		fi

		# an experimental feature available with MySQL and PgSQL backend
		if use neural ; then
			myconf="${myconf} --enable-neural-networking"
		fi
	elif use postgres ; then
		myconf="${myconf} --with-storage-driver=pgsql_drv"
		myconf="${myconf} --with-pgsql-includes=/usr/include/postgresql"
		myconf="${myconf} --with-pgsql-libraries=/usr/lib/postgresql"
		myconf="${myconf} --enable-virtual-users"
		myconf="${myconf} --enable-preferences-extension"

		if has_version sys-kernel/linux26-headers; then
			myconf="${myconf} --enable-daemon"
		fi

		# an experimental feature available with MySQL and PgSQL backend
		if use neural ; then
			myconf="${myconf} --enable-neural-networking"
		fi
	elif use oci8 ; then
		myconf="${myconf} --with-storage-driver=ora_drv"
		myconf="${myconf} --with-oracle-home=${ORACLE_HOME}"
		myconf="${myconf} --enable-virtual-users"

		# I am in no way a Oracle specialist. If someone knows
		# how to query the version of Oracle, then let me know.
		if (expr ${ORACLE_HOME/*\/} : 10 1>/dev/null 2>&1); then
			myconf="${myconf} --with-oracle-version=10"
		fi
	elif use sqlite3 ; then
		myconf="${myconf} --with-storage-driver=sqlite3_drv"
		myconf="${myconf} --enable-virtual-users"
	elif use sqlite ; then
		myconf="${myconf} --with-storage-driver=sqlite_drv"
		myconf="${myconf} --enable-virtual-users"
	else
		myconf="${myconf} --with-storage-driver=libdb4_drv"
	fi

	econf ${myconf} || die
	emake || die

}

src_install () {

	# Fix issues with older dspam configuration
	CONFIG_PROTECT="${CONFIG_PROTECT} ${DATADIR} /var/run/dspam"
	CONFIG_PROTECT_MASK="${CONFIG_PROTECTMASK/${HOMEDIR}/}"
	CONFIG_PROTECT_MASK="${CONFIG_PROTECTMASK/${DATADIR}/}"

	# open up perms on /etc/mail/dspam
	diropts -m0775 -o dspam -g dspam
	dodir ${HOMEDIR}
	keepdir ${HOMEDIR}

	# keeps dspam data in /var
	diropts -m0775 -o dspam -g dspam
	dodir ${DATADIR}
	keepdir ${DATADIR}

	# keeps dspam log in /var/log
	diropts -m0775 -o dspam -g dspam
	dodir ${LOGDIR}
	keepdir ${LOGDIR}
        touch ${T}/empty.file
	newins ${T}/empty.file system.log
	dosym ${LOGDIR}/system.log ${HOMEDIR}/system.log

	# ${HOMEDIR}/data is a symlink to ${DATADIR}
	dosym ${DATADIR} ${HOMEDIR}/data

	# make install
	sed -e 's/rm -f ..mandir.\(.*\)/rm -f ${D}${mandir}\1/g' \
		-e 's/ln -s ..mandir.\(.*\) ..mandir.\(.*3\)/ln -s ${mandir}\1.gz ${D}${mandir}\2.gz/g' \
		-i Makefile
	make DESTDIR=${D} install || die
	chmod 4755 ${D}/usr/bin/dspam
	chmod 4755 ${D}/usr/bin/dspam_stats

	# documentation
	dodoc CHANGELOG LICENSE README* RELEASE.NOTES UPGRADING
	dodoc ${FILESDIR}/README.postfix ${FILESDIR}/README.qmail
	if use mysql; then
		dodoc src/tools.mysql_drv/README
	elif use postgres ; then
		dodoc src/tools.pgsql_drv/README
	elif use oci8 ; then
		dodoc src/tools.ora_drv/README
	elif use sqlite || sqlite3 ; then
		dodoc src/tools.sqlite_drv/README
	fi
	doman man/dspam*
	dodoc ${DISTDIR}/dspam_sa_trainer.tar.gz

	# build some initial configuration data
	cp src/dspam.conf ${T}/dspam.conf
	if use cyrus; then
		sed -i 's:^#*\(UntrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/lib/cyrus/deliver %u\":gI' ${T}/dspam.conf
		sed -i 's:^\(TrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/lib/cyrus/deliver\":gI' ${T}/dspam.conf
	elif use exim; then
		sed -i 's:^#*\(UntrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/sbin/exim -oMr spam-scanned %u\":gI' ${T}/dspam.conf
		sed -i 's:^\(TrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/sbin/exim -oMr spam-scanned %u\":gI' ${T}/dspam.conf
	elif use maildrop; then
		sed -i 's:^#*\(UntrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/bin/maildrop -d %u\":gI' ${T}/dspam.conf
		sed -i 's:^\(TrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/bin/maildrop\":gI' ${T}/dspam.conf
	elif use procmail; then
		sed -i 's:^#*\(UntrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/bin/procmail -d %u\":gI' ${T}/dspam.conf
		sed -i 's:^\(TrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/bin/procmail":gI' ${T}/dspam.conf
	else
		sed -i 's:^#*\(UntrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/sbin/sendmail\":gI' ${T}/dspam.conf
		sed -i 's:^\(TrustedDeliveryAgent\)[\t ]*.*:\1 \"/usr/sbin/sendmail\":gI' ${T}/dspam.conf
	fi
	if use mysql || use postgres; then
		if has_version sys-kernel/linux26-headers; then
			# keeps dspam socket for deamon in /var/run/dspam
			diropts -m0775 -o dspam -g dspam
			dodir /var/run/dspam
			keepdir /var/run/dspam

			# We use sockets for the deamon instead of tcp port 24
			sed -i 's:^#*\(ServerDomainSocketPath[\t ]\{1,\}\).*:\1\"/var/run/dspam/dspam.sock\":gI' ${T}/dspam.conf
			sed -i 's:^#*\(ServerPID[\t ]\{1,\}\).*:\1/var/run/dspam/dspam.pid:gI' ${T}/dspam.conf
	
			# dspam init script
			exeinto /etc/init.d
			exeopts -m0755 -o root -g root
			newexe ${FILESDIR}/dspam.rc dspam
		fi
	fi

	# generate random password
	local PASSWORD="${RANDOM}${RANDOM}${RANDOM}${RANDOM}"

	# database related configuration and scripts
	if use mysql; then
		# Use existing configuration if possible
		if [[ -f ${ROOT}${HOMEDIR}/mysql.data ]]; then
			DSPAM_DB_DATA=( $(sed "s:^[\t ]*$:###:gI" "${ROOT}${HOMEDIR}/mysql.data") )
			for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
				[[ "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" = "###" ]] && DSPAM_DB_DATA[$DB_DATA_INDEX]=""
			done
		else
			DSPAM_DB_DATA[0]="/var/run/mysqld/mysqld.sock"
			DSPAM_DB_DATA[1]=""
			DSPAM_DB_DATA[2]="dspam"
			DSPAM_DB_DATA[3]="${PASSWORD}"
			DSPAM_DB_DATA[4]="dspam"
			DSPAM_DB_DATA[5]="true"
		fi

		# Modify configuration and create mysql.data file
		sed -i "s:^#*\(MySQLServer[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[0]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(MySQLPort[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[1]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(MySQLUser[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[2]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(MySQLPass[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[3]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(MySQLDb[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[4]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(MySQLCompress[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[5]}:gI" ${T}/dspam.conf
		for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
			echo "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" >> ${T}/mysql.data
		done
		insinto ${HOMEDIR}
		insopts -m644 -o dspam -g dspam
		doins ${T}/mysql.data
		newins src/tools.mysql_drv/mysql_objects-space.sql mysql_objects-space.sql
		newins src/tools.mysql_drv/mysql_objects-speed.sql mysql_objects-speed.sql
		newins src/tools.mysql_drv/mysql_objects-4.1.sql mysql_objects-4.1.sql
		newins src/tools.mysql_drv/virtual_users.sql mysql_virtual_users.sql
		newins src/tools.mysql_drv/neural.sql mysql_neural.sql
		newins src/tools.mysql_drv/purge.sql mysql_purge.sql
		newins src/tools.mysql_drv/purge-4.1.sql mysql_purge-4.1.sql

	elif use postgres ; then
		# Use existing configuration if possible
		if [ -f ${ROOT}${HOMEDIR}/pgsql.data ]; then
			DSPAM_DB_DATA=( $(cat "${ROOT}${HOMEDIR}/pgsql.data") )
			for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
				[[ "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" = "###" ]] && DSPAM_DB_DATA[$DB_DATA_INDEX]=""
			done
		else
			DSPAM_DB_DATA[0]="127.0.0.1"
			DSPAM_DB_DATA[1]="5432"
			DSPAM_DB_DATA[2]="dspam"
			DSPAM_DB_DATA[3]="${PASSWORD}"
			DSPAM_DB_DATA[4]="dspam"
		fi

		# Modify configuration and create pgsql.data file
		sed -i "s:^#*\(PgSQLServer[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[0]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(PgSQLPort[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[1]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(PgSQLUser[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[2]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(PgSQLPass[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[3]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(PgSQLDb[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[4]}:gI" ${T}/dspam.conf
		sed -i "s:^#*\(PgSQLConnectionCache[\t ]*.\):\1:gI" ${T}/dspam.conf
		for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
			echo "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" >> ${T}/pgsql.data
		done

		insinto ${HOMEDIR}
		insopts -m644 -o dspam -g dspam
		doins ${T}/pgsql.data
		newins src/tools.pgsql_drv/pgsql_objects.sql pgsql_objects.sql
		newins src/tools.pgsql_drv/virtual_users.sql pgsql_virtual_users.sql
		newins src/tools.pgsql_drv/purge.sql pgsql_purge.sql

	elif use oci8 ; then
		# Use existing configuration if possible
		if [ -f ${ROOT}${HOMEDIR}/oracle.data ]; then
			DSPAM_DB_DATA=( $(cat "${ROOT}${HOMEDIR}/oracle.data") )
			for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
				[[ "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" = "###" ]] && DSPAM_DB_DATA[$DB_DATA_INDEX]=""
			done
		else
			DSPAM_DB_DATA[0]="(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SID=PROD)))"
			DSPAM_DB_DATA[1]="dspam"
			DSPAM_DB_DATA[2]="${PASSWORD}"
			DSPAM_DB_DATA[3]="dspam"
		fi

		# Modify configuration and create oracle.data file
		sed -i "s:^#*\(OraServer[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[0]}:gI" ${T}/dspam.conf
		sed -i "s:^\(OraUser[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[1]}:gI" ${T}/dspam.conf
		sed -i "s:^\(OraPass[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[2]}:gI" ${T}/dspam.conf
		sed -i "s:^\(OraSchema[\t ]\{1,\}\).*:\1${DSPAM_DB_DATA[3]}:gI" ${T}/dspam.conf
		for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
			echo "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" >> ${T}/oracle.data
		done

		insinto ${HOMEDIR}
		insopts -m644 -o dspam -g dspam
		doins ${T}/oracle.data
		newins src/tools.ora_drv/oral_objects.sql ora_objects.sql
		newins src/tools.ora_drv/virtual_users.sql ora_virtual_users.sql
		newins src/tools.ora_drv/purge.sql ora_purge.sql
	elif use sqlite || sqlite3 ; then
		insinto ${HOMEDIR}
		insopts -m644 -o dspam -g dspam
		newins src/tools.sqlite_drv/purge.sql sqlite_purge.sql
	fi

	sed -i "s:^\(Purge.*\):###\1:g" ${T}/dspam.conf
	sed -i "s:^#\(Purge.*\):\1:g" ${T}/dspam.conf
	sed -i "s:^###\(Purge.*\):#\1:g" ${T}/dspam.conf
	insinto ${HOMEDIR}
	insopts -m644 -o dspam -g dspam
	doins ${T}/dspam.conf

	# installs the notification messages
	# -> The documentation is wrong! The files need to be in ./txt
	diropts -m0775 -o dspam -g dspam
	dodir ${HOMEDIR}/txt
	keepdir ${HOMEDIR}/txt
	insinto ${HOMEDIR}/txt
	insopts -m644 -o dspam -g dspam
	doins ${S}/txt/*.txt

	# Create the opt-in / opt-out directories
	diropts -m0775 -o dspam -g dspam
	dodir ${HOMEDIR}/opt-in
	keepdir ${HOMEDIR}/opt-in
	dodir ${HOMEDIR}/opt-out
	keepdir ${HOMEDIR}/opt-out

	# logrotation scripts
	diropts -m0755 -o dspam -g dspam
	dodir /etc/logrotate.d
	keepdir /etc/logrotate.d
	insinto /etc/logrotate.d
	insopts -m0755 -o dspam -g dspam
	newins ${FILESDIR}/logrotate.dspam dspam

	# dspam cron job
	diropts -m0755 -o dspam -g dspam
	dodir /etc/cron.daily
	keepdir /etc/cron.daily
	exeinto /etc/cron.daily
	exeopts -m0755 -o dspam -g dspam
	doexe ${FILESDIR}/dspam.cron

	# dspam enviroment
	echo -ne "CONFIG_PROTECT=\"${DATADIR} /var/run/dspam\"\n\n" > ${T}/40dspam
	doenvd ${T}/40dspam || die
}

pkg_postinst() {
	env-update
	if use mysql || use postgres || use oci8; then
		echo
		einfo "To setup DSPAM to run out-of-the-box on your system with a MySQL,"
		einfo "PostgreSQL or Oracle database, run:"
		einfo "ebuild /var/db/pkg/${CATEGORY}/${PF}/${PF}.ebuild config"
	fi
	if use mysql || use postgres; then
		if has_version sys-kernel/linux26-headers; then
			einfo "If you want to run DSPAM in the new deamon mode. Remember"
			einfo "to make the DSPAM daemon start durig boot:"
			einfo "  rc-update add dspam default"
		fi
	fi
	if use exim ; then
		echo
		einfo "To use dspam in conjunction with your exim system, you should read the README"
	fi
}

pkg_config () {
	if use mysql ; then
		[[ -f ${HOMEDIR}/mysql.data ]] && mv -f ${HOMEDIR}/mysql.data ${HOMEDIR}

		DSPAM_DB_DATA=( $(sed "s:^[\t ]*$:###:gI" "${ROOT}${HOMEDIR}/mysql.data") )
		for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
			[[ "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" = "###" ]] && DSPAM_DB_DATA[$DB_DATA_INDEX]=""
		done
		DSPAM_MySQL_USER="$DSPAM_DB_DATA[2]"
		DSPAM_MySQL_PWD="$DSPAM_DB_DATA[3]"
		DSPAM_MySQL_DB="$DSPAM_DB_DATA[4]"

		ewarn "When prompted for a password, please enter your MySQL root password"
		ewarn ""

		einfo "Creating DSPAM MySQL database \"${DSPAM_MySQL_DB}\""
		/usr/bin/mysqladmin -u root -p create ${DSPAM_MySQL_DB}

		einfo "Creating DSPAM MySQL tables for data objects"
		einfo "  Please select what kind of object database you like to use."
		einfo "    [1] Space optimized database"
		einfo "    [2] Speed optimized database"
		einfo
		while true
		do
			read -n 1 -s -p "  Press 1 or 2 on the keyboard to select database" DSPAM_MySQL_DB_Type
			[[ "${DSPAM_MySQL_DB_Type}" == "1" || "${DSPAM_MySQL_DB_Type}" == "2" ]] && echo && break
		done

		if [ "${DSPAM_MySQL_DB_Type}" == "1" ]
		then
			/usr/bin/mysql -u root -p ${DSPAM_MySQL_DB} < ${HOMEDIR}/mysql_objects-space.sql
		else
			/usr/bin/mysql -u root -p ${DSPAM_MySQL_DB} < ${HOMEDIR}/mysql_objects-speed.sql
		fi

		einfo "Creating DSPAM MySQL database for virtual users"
		/usr/bin/mysql -u root -p ${DSPAM_MySQL_DB} < ${HOMEDIR}/mysql_virtual_users.sql

		if use neural ; then
			/usr/bin/mysql -u root -p ${DSPAM_MySQL_DB} < ${HOMEDIR}/mysql_neural.sql
		fi

		einfo "Creating DSPAM MySQL user \"${DSPAM_MySQL_USER}\""
		/usr/bin/mysql -u root -p -e "GRANT SELECT,INSERT,UPDATE,DELETE ON ${DSPAM_MySQL_DB}.* TO ${DSPAM_MySQL_USER}@localhost IDENTIFIED BY '${DSPAM_MySQL_PWD}';FLUSH PRIVILEGES;" -D mysql
	elif use postgres ; then
		[[ -f ${HOMEDIR}/pgsql.data ]] && mv -f ${HOMEDIR}/pgsql.data ${HOMEDIR}

		DSPAM_DB_DATA=( $(sed "s:^[\t ]*$:###:gI" "${ROOT}${HOMEDIR}/pgsql.data") )
		for DB_DATA_INDEX in $(seq 0 $((${#DSPAM_DB_DATA[@]} - 1))); do
			[[ "${DSPAM_DB_DATA[$DB_DATA_INDEX]}" = "###" ]] && DSPAM_DB_DATA[$DB_DATA_INDEX]=""
		done
		DSPAM_PgSQL_USER="${DSPAM_DB_DATA[2]}"
		DSPAM_PgSQL_PWD="${DSPAM_DB_DATA[3]}"
		DSPAM_PgSQL_DB="${DSPAM_DB_DATA[4]}"

		ewarn "When prompted for a password, please enter your PgSQL postgres password"
		ewarn ""

		einfo "Creating DSPAM PostgreSQL database \"${DSPAM_PgSQL_DB}\" and user \"${DSPAM_PgSQL_USER}\""
		/usr/bin/psql -h localhost -d template1 -U postgres -c "CREATE USER ${DSPAM_PgSQL_USER} WITH PASSWORD '${DSPAM_PgSQL_PWD}' NOCREATEDB NOCREATEUSER; CREATE DATABASE ${DSPAM_PgSQL_DB}; GRANT ALL PRIVILEGES ON DATABASE ${DSPAM_PgSQL_DB} TO ${DSPAM_PgSQL_USER}; GRANT ALL PRIVILEGES ON SCHEMA public TO ${DSPAM_PgSQL_USER}; UPDATE pg_database SET datdba=(SELECT usesysid FROM pg_shadow WHERE usename='${DSPAM_PgSQL_USER}') WHERE datname='${DSPAM_PgSQL_DB}';"

		einfo "Creating DSPAM PostgreSQL tables"
		PGUSER=${DSPAM_PgSQL_USER} PGPASSWORD=${DSPAM_PgSQL_PWD} /usr/bin/psql -d ${DSPAM_PgSQL_DB} -U ${DSPAM_PgSQL_USER} -f ${HOMEDIR}/pgsql_objects.sql 1>/dev/null 2>&1
		PGUSER=${DSPAM_PgSQL_USER} PGPASSWORD=${DSPAM_PgSQL_PWD} /usr/bin/psql -d ${DSPAM_PgSQL_DB} -U ${DSPAM_PgSQL_USER} -f ${HOMEDIR}/pgsql_virtual_users.sql 1>/dev/null 2>&1

	elif use oci8 ; then
		[[ -f ${HOMEDIR}/oracle.data ]] && mv -f ${HOMEDIR}/oracle.data ${HOMEDIR}
		einfo "We have not enought Oracle knowledge to configure Oracle"
		einfo "automatically. If you know how, please post a message in"
		einfo "Gentoo Bugzilla."
		einfo ""
		einfo "You need manually to create the Oracle user for DSPAM and"
		einfo "the necessary database."
		einfo "But the DSPAM configuration file dspam.conf and oracle.data"
		einfo "was already configured with the necessary information to"
		einfo "access the database."
		einfo "Pleae read your dspam.conf, oracle.data and the README for"
		einfo "more info on how to setup DSPAM with Oracle."
	elif use sqlite3 ; then
		einfo "sqlite3_drv will automatically create the necessary database"
		einfo "objects for each user upon first use of DSPAM by that user."
	elif use sqlite ; then
		einfo "sqlite_drv will automatically create the necessary database"
		einfo "objects for each user upon first use of DSPAM by that user."
	fi

}