# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/mail-mta/postfix/postfix-2.2.11-r1.ebuild,v 1.6 2008/02/17 13:55:47 nixnut Exp $

inherit eutils ssl-cert toolchain-funcs flag-o-matic pam
IUSE="ipv6 pam ldap mysql postgres ssl sasl mailwrapper mbox nis vda selinux hardened cdb"
#IUSE="ipv6 pam ldap mysql postgres ssl sasl mailwrapper mbox nis vda selinux hardened devel"

MY_PV=${PV}
MY_SRC=${PN}-${MY_PV}
#DEV_SRC=${MY_SRC}-newdb-nonprod
VDA_VER=2.2.10
VDA_P="${PN}-${VDA_VER}-vda"
RC_VER="2.2.9"

DESCRIPTION="A fast and secure drop-in replacement for sendmail."
HOMEPAGE="http://www.postfix.org/"
SRC_URI="ftp://ftp.porcupine.org/mirrors/postfix-release/official/${MY_SRC}.tar.gz
	vda? ( http://web.onda.com.br/nadal/postfix/VDA/${VDA_P}.patch.gz ) "
#	devel? ( ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/${DEV_SRC}.tar.gz ) "

LICENSE="IPL-1"
SLOT="0"
KEYWORDS="alpha ~amd64 ~arm hppa ia64 ppc ppc64 ~s390 ~sh sparc x86"

PROVIDE="virtual/mta virtual/mda"
DEPEND="cdb? ( || ( >=dev-db/cdb-0.75-r1 >=dev-db/tinycdb-0.74 ) )
	>=sys-libs/db-3.2
	>=dev-libs/libpcre-3.4
	pam? ( virtual/pam )
	ldap? ( >=net-nds/openldap-1.2 )
	mysql? ( virtual/mysql )
	postgres? ( >=dev-db/postgresql-7.1 )
	ssl? ( >=dev-libs/openssl-0.9.6g )
	sasl? ( >=dev-libs/cyrus-sasl-2 )"
RDEPEND="${DEPEND}
	>=net-mail/mailbase-0.00
	!mailwrapper? ( !virtual/mta )
	mailwrapper? ( >=net-mail/mailwrapper-0.2 )
	selinux? ( sec-policy/selinux-postfix )"

#if use devel; then
#	MY_SRC=${DEV_SRC}
#fi

S=${WORKDIR}/${MY_SRC}

group_user_check() {
	einfo "checking for postfix group...	create if missing."
	enewgroup postfix 207
	einfo "checking for postdrop group...	create if missing."
	enewgroup postdrop 208
	einfo "checking for postfix user...		create if missing."
	enewuser postfix 207 -1 /var/spool/postfix postfix
}

pkg_setup() {
	# do not upgrade from postfix-2.1. logic to fix bug #53324
	if [[ -f /var/lib/init.d/started/postfix ]] ; then
		if has_version '<mail-mta/postfix-2.2' ; then
			if [ "${FORCE_UPGRADE}" ]; then
				echo
				ewarn "You are upgrading from a incompatible version and"
				ewarn "you have FORCE_UPGRADE set,  will build this package with postfix running."
				ewarn "You MUST stop postfix BEFORE install it to your system."
				echo
			else
				echo
				eerror "You are upgrading from a incompatible version."
				eerror "You MUST stop postfix BEFORE install it to your system."
				eerror "If you want a minimal downtime, emerge postfix with:"
				eerror "\`FORCE_UPGRADE=1 emerge --buildpkgonly postfix\`; then"
				eerror "\`/etc/init.d/postfix stop && emerge --usepkgonly postfix\`"
				eerror "run etc-update or dispatch-conf and merge the configuration files."
				eerror "Next /etc/init.d/postfix start"
				die "upgrade from an incompatible version!"
				echo
			fi

		else
			echo
			ewarn "It is safe to upgrade your current version while it's running."
			ewarn "If you don't want to take any chance; please hit Ctrl+C now;"
			ewarn "stop Postfix then emerge again."
			ewarn "You have been warned!"
			ewarn "Waiting 5 seconds before continuing."
			echo
			epause 5
		fi
	fi

	echo
	ewarn "Read \"ftp://ftp.porcupine.org/mirrors/postfix-release/official/${MY_SRC}.RELEASE_NOTES\""
	ewarn "for incompatible changes before continue."
	ewarn "Bugs should be filed at \"http://bugs.gentoo.org\""
	ewarn "assign to \"net-mail@gentoo.org\"."
	echo
	#epause 5

	# put out warnings to work around bug #45764
	if has_version '<=mail-mta/postfix-2.0.18'; then
		echo
		ewarn "You are upgrading from postfix-2.0.18 or earlier, one of the empty queue"
		ewarn "directory get deleted during unmerge the older version (#45764). Please run"
		ewarn "\`etc/postfix/post-install upgrade-source\` to recreate them."
		echo
	#epause 5
	fi

	#TLS non-prod warn
	if use ssl; then
		echo
		ewarn "you have \"ssl\" in your USE flags, TLS will be enabled."
		ewarn "This service entry is incompatible with previous TLS patch."
		ewarn "Visit http://www.postfix.org/TLS_README.html for more info."
		echo
	#epause 5
	fi

	# IPV6 non-prod warn
	if use ipv6; then
		echo
		ewarn "you have \"ipv6\" in your USE flags, IPV6 will be enabled."
		ewarn "Visit http://www.postfix.org/IPV6_README.html for more info."
		echo
	fi

	# add postfix, postdrop user/group. Bug #77565.
	group_user_check || die "failed to check/add needed user/group"

}

src_unpack() {
	unpack ${A} && cd "${S}"

	epatch "${FILESDIR}/${PN}-master.cf.patch"

	if use vda ; then
		epatch "${WORKDIR}/${VDA_P}.patch"
	fi

	# Postfix does not get the FQDN if no hostname is configured.
	epatch "${FILESDIR}/${PN}-2.0.9-get-FQDN.patch"

	sed -i -e "/^#define ALIAS_DB_MAP/s|hash:/etc/aliases|hash:/etc/mail/aliases|" \
		src/util/sys_defs.h || die "sed failed"

}

src_compile() {
	# added -Wl,-z,now wrt 62674.
	# remove -ldl as it is not necessary, resolve bug #106446.
	# -Wl,-z,now replaced by $(bindnow-flags)
	# make sure LDFLAGS get passed down to the executables.
	local mycc="-DHAS_PCRE" mylibs="$(bindnow-flags) ${LDFLAGS} -lpcre -lcrypt -lpthread"

	use pam && mylibs="${mylibs} -lpam"

	if use ldap ; then
		mycc="${mycc} -DHAS_LDAP"
		mylibs="${mylibs} -lldap -llber"
	fi

	if use mysql ; then
		mycc="${mycc} -DHAS_MYSQL -I/usr/include/mysql"
		mylibs="${mylibs} -lmysqlclient -lm -lz"
	fi

	if use postgres ; then
		if best_version '=dev-db/postgresql-7.3*' ; then
			mycc="${mycc} -DHAS_PGSQL -I/usr/include/postgresql"
		else
			mycc="${mycc} -DHAS_PGSQL -I/usr/include/postgresql/pgsql"
		fi
		mylibs="${mylibs} -lpq"
	fi

	if use ssl ; then
		mycc="${mycc} -DUSE_TLS"
		mylibs="${mylibs} -lssl -lcrypto"
	fi

	if use sasl ; then
		mycc="${mycc} -DUSE_SASL_AUTH -I/usr/include/sasl"
		mylibs="${mylibs} -lsasl2"
	fi

	if ! use nis; then
		sed -i -e "s|#define HAS_NIS|//#define HAS_NIS|g" src/util/sys_defs.h || \
			die "sed failed"
	fi

	if use cdb; then
		mycc="${mycc} -DHAS_CDB"
		CDB_LIBS=""

		# tinycdb is preferred.
		if has_version dev-db/tinycdb; then
			einfo "build with dev-db/tinycdb"
			# ugly hack because gentoo doesn't install cdb.h
			cp /usr/include/tinycdb.h "${S}"/src/util/cdb.h || die \
				"failed to cp /usr/include/tinycdb.h to ${S}/util/cdb.h"
			CDB_LIBS="-ltinycdb"
		else
			CDB_PATH="/usr/lib"
			for i in cdb.a alloc.a buffer.a unix.a byte.a
				do CDB_LIBS="${CDB_LIBS} ${CDB_PATH}/${i}"
			done
		fi

		mylibs="${mylibs} ${CDB_LIBS}"
	fi

	mycc="${mycc} -DDEF_DAEMON_DIR=\\\"/usr/lib/postfix\\\""
	mycc="${mycc} -DDEF_MANPAGE_DIR=\\\"/usr/share/man\\\""
	mycc="${mycc} -DDEF_README_DIR=\\\"/usr/share/doc/${PF}/readme\\\""
	mycc="${mycc} -DDEF_HTML_DIR=\\\"/usr/share/doc/${PF}/html\\\""

	ebegin "Starting make makefiles..."

	local my_cc=$(tc-getCC)
	einfo "CC=${my_cc:=gcc}"

	# workaround for bug #76512
	[ "$(gcc-version)" == "3.4" ] && use hardened && replace-flags -O? -Os

	make CC="${my_cc:=gcc}" OPT="${CFLAGS}" CCARGS="${mycc}" AUXLIBS="${mylibs}" \
		makefiles || die "configure problem"

	emake || die "compile problem"
}

src_install () {
	/bin/sh postfix-install \
		-non-interactive \
		install_root="${D}" \
		config_directory="/usr/share/doc/${PF}/defaults" \
		readme_directory="/usr/share/doc/${PF}/readme" \
		|| die "postfix-install failed"

	# Fix spool removal on upgrade.
	rm -rf "${D}/var"
	keepdir /var/spool/postfix

	# Install an rmail for UUCP, closing bug #19127.
	dobin auxiliary/rmail/rmail

	# mailwrapper stuff
	if use mailwrapper ; then
		mv "${D}/usr/sbin/sendmail" "${D}/usr/sbin/sendmail.postfix"
		mv "${D}/usr/bin/rmail" "${D}/usr/bin/rmail.postfix"

		mv "${D}/usr/share/man/man1/sendmail.1" \
			"${D}/usr/share/man/man1/sendmail-postfix.1"
		mv "${D}/usr/share/man/man1/newaliases.1" \
			"${D}/usr/share/man/man1/newaliases-postfix.1"
		mv "${D}/usr/share/man/man1/mailq.1" \
			"${D}/usr/share/man/man1/mailq-postfix.1"
		mv "${D}/usr/share/man/man5/aliases.5" \
			"${D}/usr/share/man/man5/aliases-postfix.5"

		insinto /etc/mail
		doins "${FILESDIR}/mailer.conf"
	else
		# Provide another link for legacy FSH.
		dosym /usr/sbin/sendmail /usr/lib/sendmail
	fi

	# Install qshape tool.
	dobin auxiliary/qshape/qshape.pl

	# performance tuning tools.
	dosbin bin/smtp-{source,sink} bin/qmqp-{source,sink}
	doman man/man1/smtp-{source,sink}.1 man/man1/qmqp-{source,sink}.1

	# Set proper permissions on required files/directories.
	fowners root:postdrop /usr/sbin/post{drop,queue}
	fperms 02711 /usr/sbin/post{drop,queue}

	keepdir /etc/postfix
	mv "${D}"/usr/share/doc/${PF}/defaults/{*.cf,post*-*} "${D}"/etc/postfix
	if use mbox ; then
		mypostconf="mail_spool_directory=/var/spool/mail"
	else
		mypostconf="home_mailbox=.maildir/"
	fi

	"${D}/usr/sbin/postconf" -c "${D}/etc/postfix" -e \
		${mypostconf} || die "postconf failed"

	insinto /etc/postfix
	newins "${FILESDIR}/smtp.pass" saslpass
	fperms 600 /etc/postfix/saslpass

	newinitd "${FILESDIR}/postfix.rc6.${RC_VER}" postfix || \
		die "newinitd failed"

	mv "${S}/examples" "${D}/usr/share/doc/${PF}/"
	dodoc *README COMPATIBILITY HISTORY INSTALL PORTING RELEASE_NOTES*
	dohtml html/*

	pamd_mimic_system smtp auth account

	if use sasl ; then
		insinto /etc/sasl2
		newins "${FILESDIR}/smtp.sasl" smtpd.conf
	fi
}

pkg_postinst() {

	# add postfix, postdrop user/group. Bug #77565.
	group_user_check || die "failed to check/add needed user/group"

	# Do not install server.{key,pem) SSL certificates if they already exist
	if use ssl && [[ ! -f "${ROOT}"/etc/ssl/postfix/server.key \
		&& ! -f "${ROOT}"/etc/ssl/postfix/server.pem ]] ; then
		SSL_ORGANIZATION="${SSL_ORGANIZATION:-Postfix SMTP Server}"
		install_cert /etc/ssl/postfix/server
		chown postfix:mail "${ROOT}"/etc/ssl/postfix/server.{key,pem}
	fi

	ebegin "Fixing queue directories and permissions"
	"${ROOT}/etc/postfix/post-install" upgrade-permissions
	echo
	ewarn "If you upgraded from postfix-1.x, you must revisit"
	ewarn "your configuration files.  See"
	ewarn "  /usr/share/doc/${PF}/RELEASE_NOTES"
	ewarn "for a list of changes."

	if [ ! -e /etc/mail/aliases.db ] ; then
		echo
		ewarn "You must edit /etc/mail/aliases to suit your needs"
		ewarn "and then run /usr/bin/newaliases. Postfix will not"
		ewarn "work correctly without it."
	fi

	if ! use mailwrapper && [[ -e /etc/mailer.conf ]]
	then
		einfo
		einfo "Since you emerged $PN without mailwrapper in USE,"
		einfo "you probably want to 'emerge -C mailwrapper' now."
		einfo
	fi

}