# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-nds/openldap/openldap-2.3.30-r1.ebuild,v 1.3 2006/12/25 14:49:06 jokey Exp $

WANT_AUTOCONF="latest"
WANT_AUTOMAKE="latest"
AT_M4DIR="./build"
inherit autotools eutils flag-o-matic multilib toolchain-funcs versionator

DESCRIPTION="LDAP suite of application and development tools"
HOMEPAGE="http://www.OpenLDAP.org/"
SRC_URI="mirror://openldap/openldap-release/${P}.tgz"

LICENSE="OPENLDAP"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
IUSE="berkdb crypt debug gdbm ipv6 kerberos minimal odbc overlays perl readline
samba sasl slp smbkrb5passwd ssl tcpd selinux"

# note that the 'samba' USE flag pulling in OpenSSL is NOT an error.  OpenLDAP
# uses OpenSSL for LanMan/NTLM hashing (which is used in some enviroments, like
# mine at work)!
# Robin H. Johnson <robbat2@gentoo.org> March 8, 2004

RDEPEND_BERKDB=">=sys-libs/db-4.2.52_p2-r1"
RDEPEND="sys-libs/ncurses
	tcpd? ( sys-apps/tcp-wrappers )
	ssl? ( dev-libs/openssl )
	readline? ( sys-libs/readline )
	sasl? ( dev-libs/cyrus-sasl )
	!minimal? (
		odbc? ( dev-db/unixODBC )
		slp? ( net-libs/openslp )
		perl? ( dev-lang/perl )
		samba? ( dev-libs/openssl )
		kerberos? ( virtual/krb5 )
		berkdb? ( ${RDEPEND_BERKDB} )
		!berkdb? (
			gdbm? ( sys-libs/gdbm )
			!gdbm? ( ${RDEPEND_BERKDB} )
		)
		smbkrb5passwd? (
			dev-libs/openssl
			app-crypt/heimdal
		)
	)
	selinux? ( sec-policy/selinux-openldap )"
DEPEND="${RDEPEND}"

# for tracking versions
OPENLDAP_VERSIONTAG=".version-tag"
OPENLDAP_DEFAULTDIR_VERSIONTAG="/var/lib/openldap-data"

openldap_upgrade_howto() {
	eerror
	eerror "A (possible old) installation of OpenLDAP was detected,"
	eerror "installation will not proceed for now."
	eerror
	eerror "As major version upgrades can corrupt your database,"
	eerror "you need to dump your database and re-create it afterwards."
	eerror ""
	d="$(date -u +%s)"
	l="/root/ldapdump.${d}"
	i="${l}.raw"
	eerror " 1. /etc/init.d/slurpd stop ; /etc/init.d/slapd stop"
	eerror " 2. slapcat -l ${i}"
	eerror " 3. egrep -v '^entryCSN:' <${i} >${l}"
	eerror " 4. mv /var/lib/openldap-data/ /var/lib/openldap-data-backup/"
	eerror " 5. emerge --update \=net-nds/${PF}"
	eerror " 6. etc-update, and ensure that you apply the changes"
	eerror " 7. slapadd -l ${l}"
	eerror " 8. chown ldap:ldap /var/lib/openldap-data/*"
	eerror " 9. /etc/init.d/slapd start"
	eerror "10. check that your data is intact."
	eerror "11. set up the new replication system."
	eerror
	die "You need to upgrade your database first"
}

openldap_find_versiontags() {
	# scan for all datadirs
	openldap_datadirs=""
	if [ -f ${ROOT}/etc/openldap/slapd.conf ]; then
		openldap_datadirs="$(awk '{if($1 == "directory") print $2 }' ${ROOT}/etc/openldap/slapd.conf)"
	fi
	openldap_datadirs="${openldap_datadirs} ${OPENLDAP_DEFAULTDIR_VERSIONTAG}"

	einfo
	einfo "Scanning datadir(s) from slapd.conf and"
	einfo "the default installdir for Versiontags"
	einfo "(${OPENLDAP_DEFAULTDIR_VERSIONTAG} may appear twice)"
	einfo

	# scan datadirs if we have a version tag
	openldap_found_tag=0
	for each in ${openldap_datadirs}; do
		CURRENT_TAGDIR=${ROOT}`echo ${each} | sed "s:\/::"`
		CURRENT_TAG=${CURRENT_TAGDIR}/${OPENLDAP_VERSIONTAG}
		if [ -d ${CURRENT_TAGDIR} ] &&	[ ${openldap_found_tag} == 0 ] ; then
			einfo "- Checking ${each}..."
			if [ -r ${CURRENT_TAG} ] ; then
				# yey, we have one :)
				einfo "   Found Versiontag in ${each}"
				source ${CURRENT_TAG}
				if [ "${OLDPF}" == "" ] ; then
					eerror "Invalid Versiontag found in ${CURRENT_TAGDIR}"
					eerror "Please delete it"
					eerror
					die "Please kill the invalid versiontag in ${CURRENT_TAGDIR}"
				fi

				OLD_MAJOR=`get_version_component_range 2-3 ${OLDPF}`

				# are we on the same branch?
				if [ "${OLD_MAJOR}" != "${PV:0:3}" ] ; then
					ewarn "   Versiontag doesn't match current major release!"
					if [[ `ls -a ${CURRENT_TAGDIR} | wc -l` -gt 5 ]] ; then
						eerror "   Versiontag says other major and you (probably) have datafiles!"
						echo
						openldap_upgrade_howto
					else
						einfo "   No real problem, seems there's no database."
					fi
				else
					einfo "   Versiontag is fine here :)"
				fi
			else
				einfo "   Non-tagged dir ${each}"
				if [[ `ls -a ${each} | wc -l` > 5 ]] ; then
					einfo "   EEK! Non-empty non-tagged datadir, counting `ls -a ${each} | wc -l` files"
					echo

					eerror
					eerror "Your OpenLDAP Installation has a non tagged datadir that"
					eerror "possibly contains a database at ${CURRENT_TAGDIR}"
					eerror
					eerror "Please export data if any entered and empty or remove"
					eerror "the directory, installation has been stopped so you"
					eerror "can take required action"
					eerror
					eerror "For a HOWTO on exporting the data, see instructions in the ebuild"
					eerror
					die "Please move the datadir ${CURRENT_TAGDIR} away"
				fi
			fi
			einfo
		fi
	done

	echo
	einfo
	einfo "All datadirs are fine, proceeding with merge now..."
	einfo

}

pkg_setup() {
	if has_version "<=dev-lang/perl-5.8.8_rc1" && built_with_use dev-lang/perl minimal ; then
		die "You must have a complete (USE='-minimal') Perl install to use the perl backend!"
	fi

	if use minimal && has_version "net-nds/openldap" && built_with_use net-nds/openldap minimal ; then
		einfo
		einfo "Skipping scan for previous datadirs as requested by minimal useflag"
		einfo
	else
		openldap_find_versiontags
	fi

}

pkg_preinst() {
	enewgroup ldap 439
	enewuser ldap 439 -1 /usr/$(get_libdir)/openldap ldap
}

src_unpack() {
	unpack ${A}

	# According to MDK, the link order needs to be changed so that
	# on systems w/ MD5 passwords the system crypt library is used
	# (the net result is that "passwd" can be used to change ldap passwords w/
	#  proper pam support)
	sed -i -e 's/$(SECURITY_LIBS) $(LDIF_LIBS) $(LUTIL_LIBS)/$(LUTIL_LIBS) $(SECURITY_LIBS) $(LDIF_LIBS)/' \
		${S}/servers/slapd/Makefile.in

	# supersedes old fix for bug #31202
	EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/${PN}-2.2.14-perlthreadsfix.patch

	# ensure correct SLAPI path by default
	sed -i -e 's,\(#define LDAPI_SOCK\).*,\1 "/var/run/openldap/slapd.sock",' \
		${S}/include/ldap_defaults.h

	EPATCH_OPTS="-p0 -d ${S}"

	# ximian connector 1.4.7 ntlm patch
	epatch ${FILESDIR}/${PN}-2.2.6-ntlm.patch

	# bug #132263
	if use overlays ; then
		epatch ${FILESDIR}/${PN}-2.3.21-ppolicy.patch
	fi

	# fix up stuff for newer autoconf that simulates autoconf-2.13, but doesn't
	# do it perfectly.
	cd ${S}/build
	ln -s shtool install
	ln -s shtool install.sh
	einfo "Making sure upstream build strip does not do stripping too early"
	sed -i.orig \
		-e '/^STRIP/s,-s,,g' \
		top.mk || die "Failed to block stripping"

	# bug #116045
	# patch contrib modules
	if ! use minimal ; then
		cd ${S}/contrib
		epatch ${FILESDIR}/${PN}-2.3.24-contrib-smbk5pwd.patch
	fi
}

src_compile() {
	local myconf

	# HDB is only available with BerkDB
	myconf_berkdb='--enable-bdb --enable-ldbm-api=berkeley --enable-hdb=mod'
	myconf_gdbm='--disable-bdb --enable-ldbm-api=gdbm --disable-hdb'

	use debug && myconf="${myconf} --enable-debug" # there is no disable-debug

	# enable slapd/slurpd servers if not doing a minimal build
	if ! use minimal ; then
		myconf="${myconf} --enable-slapd --enable-slurpd"
		# base backend stuff
		myconf="${myconf} --enable-ldbm"
		if use berkdb ; then
			einfo "Using Berkeley DB for local backend"
			myconf="${myconf} ${myconf_berkdb}"
		elif use gdbm ; then
			einfo "Using GDBM for local backend"
			myconf="${myconf} ${myconf_gdbm}"
		else
			ewarn "Neither gdbm or berkdb USE flags present, falling back to"
			ewarn "Berkeley DB for local backend"
			myconf="${myconf} ${myconf_berkdb}"
		fi
		# extra backend stuff
		myconf="${myconf} --enable-passwd=mod --enable-phonetic=mod"
		myconf="${myconf} --enable-dnssrv=mod --enable-ldap"
		myconf="${myconf} --enable-meta=mod --enable-monitor=mod"
		myconf="${myconf} --enable-null=mod --enable-shell=mod"
		myconf="${myconf} --enable-relay=mod"
		myconf="${myconf} `use_enable perl perl mod`"
		myconf="${myconf} `use_enable odbc sql mod`"
		# slapd options
		myconf="${myconf} `use_enable crypt` `use_enable slp`"
		myconf="${myconf} --enable-rewrite --enable-rlookups"
		myconf="${myconf} --enable-aci --enable-modules"
		myconf="${myconf} --enable-cleartext --enable-slapi"
		myconf="${myconf} `use_with samba lmpasswd`"
		# slapd overlay options
		myconf="${myconf} --enable-dyngroup --enable-proxycache"
		myconf="${myconf} `use_enable overlays`"
	else
		myconf="${myconf} --disable-slapd --disable-slurpd"
		myconf="${myconf} --disable-bdb --disable-ldbm"
		myconf="${myconf} --disable-hdb --disable-monitor"
		myconf="${myconf} --disable-slurpd --disable-overlays"
		myconf="${myconf} --disable-relay"
	fi

	# basic functionality stuff
	myconf="${myconf} --enable-syslog --enable-dynamic"
	myconf="${myconf} --enable-local --enable-proctitle"

	myconf="${myconf} `use_enable ipv6` `use_enable readline`"
	myconf="${myconf} `use_with sasl cyrus-sasl` `use_enable sasl spasswd`"
	myconf="${myconf} `use_enable tcpd wrappers` `use_with ssl tls`"

	if [ $(get_libdir) != "lib" ] ; then
		append-ldflags -L/usr/$(get_libdir)
	fi

	STRIP=/bin/true \
	econf \
		--enable-static \
		--enable-shared \
		--libexecdir=/usr/$(get_libdir)/openldap \
		${myconf} || die "configure failed"

	emake depend || die "make depend failed"
	emake || die "make failed"

	# openldap/contrib
	tc-export CC
	if ! use minimal ; then
		# dsaschema
			einfo "Building contributed dsaschema"
			cd "${S}"/contrib/slapd-modules/dsaschema
			${CC} -shared -I../../../include ${CFLAGS} -fPIC \
			-Wall -o libdsaschema-plugin.so dsaschema.c || \
			die "failed to compile dsaschema module"
		# kerberos passwd
		if use kerberos ; then
			einfo "Building contributed pw-kerberos"
			cd "${S}"/contrib/slapd-modules/passwd/ && \
			${CC} -shared -I../../../include ${CFLAGS} -fPIC \
			-DHAVE_KRB5 -o pw-kerberos.so kerberos.c || \
			die "failed to compile kerberos password module"
		fi
		# netscape mta-md5 password
			einfo "Building contributed pw-netscape"
			cd "${S}"/contrib/slapd-modules/passwd/ && \
			${CC} -shared -I../../../include ${CFLAGS} -fPIC \
			-o pw-netscape.so netscape.c || \
			die "failed to compile netscape password module"
		# smbk5pwd overlay
		# Note: this modules builds, but may not work with
		#	Gentoo's MIT-Kerberos.	It was designed for Heimdal
		#	Kerberos.
		if use smbkrb5passwd ; then
			einfo "Building contributed smbk5pwd"
			local mydef
			local mykrb5inc
			mydef="-DDO_SAMBA -DDO_KRB5"
			mykrb5inc="-I/usr/include/heimdal/"
			cd "${S}"/contrib/slapd-modules/smbk5pwd && \
			libexecdir="/usr/$(get_libdir)/openldap" \
			DEFS="${mydef}" KRB5_INC="${mykrb5inc}" emake || \
			die "failed to compile smbk5pwd module"
		fi
		# addrdnvalues
			einfo "Building contributed addrdnvalues"
			cd "${S}"/contrib/slapi-plugins/addrdnvalues/ && \
			${CC} -shared -I../../../include ${CFLAGS} -fPIC \
			-o libaddrdnvalues-plugin.so addrdnvalues.c || \
			die "failed to compile addrdnvalues plugin"
	fi
}

src_test() {
	einfo "Doing tests"
	cd tests ; make tests || die "make tests failed"
}

src_install() {
	emake DESTDIR="${D}" install || die "make install failed"

	dodoc ANNOUNCEMENT CHANGES COPYRIGHT README LICENSE ${FILESDIR}/DB_CONFIG.fast.example
	docinto rfc ; dodoc doc/rfc/*.txt

	# openldap modules go here
	# TODO: write some code to populate slapd.conf with moduleload statements
	keepdir /usr/$(get_libdir)/openldap/openldap/

	# make state directories
	local dirlist="data"
	if ! use minimal; then
		dirlist="${dirlist} slurp ldbm"
	fi
	for x in ${dirlist}; do
		keepdir /var/lib/openldap-${x}
		fowners ldap:ldap /var/lib/openldap-${x}
		fperms 0700 /var/lib/openldap-${x}
	done

	echo "OLDPF='${PF}'" >${D}${OPENLDAP_DEFAULTDIR_VERSIONTAG}/${OPENLDAP_VERSIONTAG}
	echo "# do NOT delete this. it is used" >>${D}${OPENLDAP_DEFAULTDIR_VERSIONTAG}/${OPENLDAP_VERSIONTAG}
	echo "# to track versions for upgrading." >>${D}${OPENLDAP_DEFAULTDIR_VERSIONTAG}/${OPENLDAP_VERSIONTAG}

	# manually remove /var/tmp references in .la
	# because it is packaged with an ancient libtool
	for x in "${D}"/usr/$(get_libdir)/lib*.la; do
		sed -i -e "s:-L${S}[/]*libraries::" ${x}
	done

	# change slapd.pid location in configuration file
	keepdir /var/run/openldap
	fowners ldap:ldap /var/run/openldap
	fperms 0755 /var/run/openldap

	if ! use minimal; then
		# config modifications
		for f in /etc/openldap/slapd.conf /etc/openldap/slapd.conf.default; do
			sed -e "s:/var/lib/run/slapd.:/var/run/openldap/slapd.:" -i "${D}"/${f}
			sed -e "/database\tbdb$/acheckpoint	32	30 # <kbyte> <min>" -i "${D}"/${f}
			fowners root:ldap ${f}
			fperms 0640 ${f}
		done

		# install our own init scripts
		newinitd "${FILESDIR}"/2.0/slapd slapd
		newinitd "${FILESDIR}"/2.0/slurpd slurpd
		newconfd "${FILESDIR}"/2.0/slapd.conf slapd

		if [ $(get_libdir) != lib ]; then
			sed -e "s,/usr/lib/,/usr/$(get_libdir)/," -i "${D}"/etc/init.d/{slapd,slurpd}
		fi

		# install contributed modules
		docinto /
		if [ -e "${S}"/contrib/slapd-modules/dsaschema/libdsaschema-plugin.so ];
		then
			cd "${S}"/contrib/slapd-modules/dsaschema/
			newdoc README README.contrib.dsaschema
			exeinto /usr/$(get_libdir)/openldap/openldap
			doexe libdsaschema-plugin.so || \
			die "failed to install dsaschema module"
		fi
		if [ -e "${S}"/contrib/slapd-modules/passwd/pw-kerberos.so ]; then
			cd "${S}"/contrib/slapd-modules/passwd/
			newdoc README README.contrib.passwd
			exeinto /usr/$(get_libdir)/openldap/openldap
			doexe pw-kerberos.so || \
			die "failed to install kerberos passwd module"
		fi
		if [ -e "${S}"/contrib/slapd-modules/passwd/pw-netscape.so ]; then
			cd "${S}"/contrib/slapd-modules/passwd/
			newdoc README README.contrib.passwd
			exeinto /usr/$(get_libdir)/openldap/openldap
			doexe "${S}"/contrib/slapd-modules/passwd/pw-netscape.so || \
			die "failed to install Netscape MTA-MD5 passwd module"
		fi
		if [ -e "${S}"/contrib/slapd-modules/smbk5pwd/.libs/smbk5pwd.so ]; then
			cd "${S}"/contrib/slapd-modules/smbk5pwd
			newdoc README.contrib.smbk5pwd
			libexecdir="/usr/$(get_libdir)/openldap" \
			emake DESTDIR="${D}" install-mod || \
			die "failed to install smbk5pwd overlay module"
		fi
		if [ -e "${S}"/contrib/slapd-tools/statslog ]; then
			cd "${S}"/contrib/slapd-tools
			exeinto /usr/bin
			newexe statslog ldapstatslog || \
			die "failed to install ldapstatslog script"
		fi
		if [ -e "${S}"/contrib/slapi-plugins/addrdnvalues/libaddrdnvalues-plugin.so ];
		then
			cd "${S}"/contrib/slapi-plugins/addrdnvalues
			newdoc README README.contrib.addrdnvalues
			exeinto /usr/$(get_libdir)/openldap/openldap
			doexe libaddrdnvalues-plugin.so || \
			die "failed to install addrdnvalues plugin"
		fi

	fi

	# install MDK's ssl cert script
	if use ssl || use samba; then
		dodir /etc/openldap/ssl
		exeinto /etc/openldap/ssl
		doexe "${FILESDIR}"/gencert.sh
	fi

	# keep old libs if any
	LIBSUFFIXES=".so.2.0.130 -2.2.so.7"
	for LIBSUFFIX in ${LIBSUFFIXES} ; do
		for each in lber libldap libldap_r ; do
			preserve_old_lib "${ROOT}usr/$(get_libdir)/${each}${LIBSUFFIX}"
		done
	done
}

pkg_postinst() {
	if use ssl; then
		# make a self-signed ssl cert (if there isn't one there already)
		if [ ! -e /etc/openldap/ssl/ldap.pem ]
		then
			cd /etc/openldap/ssl
			yes "" | sh gencert.sh
			chmod 640 ldap.pem
			chown root:ldap ldap.pem
		else
			einfo
			einfo "An LDAP cert already appears to exist, no creating"
			einfo
		fi
	fi
	chown ldap:ldap "${ROOT}"var/run/openldap
	chmod 0755 "${ROOT}"var/run/openldap
	chown root:ldap "${ROOT}"etc/openldap/slapd.conf{,.default}
	chmod 0640 "${ROOT}"etc/openldap/slapd.conf{,.default}
	chown ldap:ldap "${ROOT}"var/lib/openldap-{data,ldbm,slurp}

	if use ssl; then
		ewarn
		ewarn "Self-signed SSL certificates are treated harshly by OpenLDAP 2.[12]"
		ewarn "add 'TLS_REQCERT never' if you want to use them."
		ewarn
	fi

	# Reference inclusion bug #77330
	echo
	einfo
	einfo "Getting started using OpenLDAP? There is some documentation available:"
	einfo "Gentoo Guide to OpenLDAP Authentication"
	einfo "(http://www.gentoo.org/doc/en/ldap-howto.xml)"
	einfo

	# note to bug #110412
	echo
	einfo
	einfo "An example file for tuning BDB backends with openldap is:"
	einfo "/usr/share/doc/${P}/DB_CONFIG.fast.example.gz"
	einfo

	LIBSUFFIXES=".so.2.0.130 -2.2.so.7"
	for LIBSUFFIX in ${LIBSUFFIXES} ; do
		for each in lber libldap libldap_r ; do
			preserve_old_lib_notify "${ROOT}usr/$(get_libdir)/${each}${LIBSUFFIX}"
		done
	done
}