# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/net-mail/courier/courier-0.41.0.ebuild

inherit flag-o-matic eutils

filter-flags -fomit-frame-pointer
filter-flags -funroll-loops

DESCRIPTION="An MTA designed specifically for maildirs"
SRC_URI="mirror://sourceforge/courier/${P}.tar.bz2"
HOMEPAGE="http://www.courier-mta.org/"

SLOT="0"
LICENSE="GPL-2"
KEYWORDS="x86 -ppc -sparc"
IUSE="gdbm tcltk postgres ldap mysql pam nls tcltk ipv6 spell fax crypt"

PROVIDE="virtual/mta
	 virtual/imapd"

RDEPEND="virtual/glibc
	>=dev-libs/openssl-0.9.6
	crypt? ( >=app-crypt/gnupg-1.0.4 )
	fax? (	>=media-libs/netpbm-9.12
		>=app-text/ghostscript-7.05.5
		>=net-dialup/mgetty-1.1.28 )
	pam? ( >=sys-libs/pam-0.75 )
	gdbm? ( >=sys-libs/gdbm-1.8.0 )
	mysql? ( >=dev-db/mysql-3.23.36 )
	ldap? ( >=net-nds/openldap-1.2.11 )
	postgres? ( >=dev-db/postgresql-7.1.3 )
	spell? ( virtual/aspell-dict )
	!virtual/imapd"

	# Removed these from RDEP until the tcltk situation is clarified.
	# They are only necessary for non-virtual users to be able to change
	# passwords via webmail. Hopefully not a highly used feature.
	#>=dev-tcltk/expect-5.33.0
	#tcltk? ( >=dev-tcltk/expect-5.33.0 )


DEPEND="${RDEPEND}
	app-admin/fam-oss
	dev-lang/perl
	sys-apps/procps"

src_compile() {
	local myconf
	use pam || myconf="${myconf} --without-authpam"
	use ldap || myconf="${myconf} --without-authldap"
	use mysql || myconf="${myconf} --without-authmysql"
	use postgres || myconf="${myconf} --without-authpostgresql"

# courier does not work well with db4, and we don't have a working fix yet to
# make it use db3
#	use berkdb \
#                && myconf="${myconf} --with-db=db" \
#                || myconf="${myconf} --with-db=gdbm"
	myconf="${myconf} --with-db=gdbm"

	use ipv6 || myconf="${myconf} --without-ipv6"
	use spell \
		&& myconf="${myconf} --with-ispell" \
		|| myconf="${myconf} --without-ispell"

	if [ -f /var/vpopmail/etc/lib_deps ]; then
		myconf="${myconf} --with-authvchkpw"
	else
		myconf="${myconf} --without-authvchkpw"
	fi

	#
	# 1. If nls is enabled and ENABLE_UNICODE is not empty...
	#    enable the specified unicode sets
	# 2. If nls is enabled and no unicode sets are specified,
	#    enable them all
	# 3. If nls is disabled, disable unicode sets
	#
	if use nls && [ ! -z "$ENABLE_UNICODE" ]; then
		myconf="${myconf} --enable-unicode=$ENABLE_UNICODE"
	elif use nls; then
		myconf="${myconf} --enable-unicode"
	else
		myconf="${myconf} --disable-unicode"
	fi

	myconf="${myconf} debug=true"

	./configure \
		--prefix=/usr \
		--disable-root-check \
		--mandir=/usr/share/man \
		--sysconfdir=/etc/courier \
		--libexecdir=/usr/lib/courier \
		--datadir=/usr/share/courier \
		--sharedstatedir=/var/lib/courier/com \
		--localstatedir=/var/lib/courier \
		--with-piddir=/var/run/courier \
		--with-authdaemonvar=/var/lib/courier/authdaemon \
		--with-mailuser=mail \
		--with-mailgroup=mail \
		--with-paranoid-smtpext \
		--disable-autorenamesent \
		--enable-mimetypes=/etc/apache/conf/mime.types \
		--enable-workarounds-for-imap-client-bugs \
		--host=${CHOST} ${myconf} || die "bad ./configure"

	emake || die "Compile problem"
}

chg_cfg() {
	file=${1}
	key=${2}
	value=${3}

	echo "changing ${file}: ${key} to ${value}"
	sed -e "/\#\#NAME: ${key}/,+20 s|${key}=.*|${key}=\"${value}\"|g" ${file} > ${file}.tmp && chmod --reference ${file} ${file}.tmp && mv ${file}.tmp ${file}
	rm -f ${f}.tmp 1>/dev/null 2>&1
}

set_mime() {
	local files=$*

	chk_badmime='##NAME: BOFHBADMIME:0'
	pos_badmime='##NAME: NOADDMSGID:0'
	ins_badmime='\
##NAME: BOFHBADMIME:0\
#\
# set BOFHBADMIME\
#   to \"reject\" to return mail with invalid MIME header\
#   to \"wrap\" to wrap mail with invalid MIME header in an attachmant\
#   to \"accept\" to pass mail with invalid MIME header untouched\
\
BOFHBADMIME=accept\
'

	local f
	for f in ${files}
	do
		if ! grep -q "${chk_badmime}" ${f}
		then
			echo "adding parameter ${chk_badmime} to ${f}"
			sed -e"/${pos_badmime}/ i ${ins_badmime}" ${f} > ${f}.tmp && chmod --reference ${f} ${f}.tmp && mv -f ${f}.tmp ${f}
			rm -f ${f}.tmp 1>/dev/null 2>&1
		fi
	done
}

set_maildir() {
	local files=$*

	origmaildir='Maildir'
	newmaildir='.maildir'

	local f
	for f in ${files}
	do
		echo "changing ${origmaildir} in ${f} to ${newmaildir}"
		sed -e"/^[^\#]/ s/${origmaildir}/${newmaildir}/g" ${f} > ${f}.tmp && chmod --reference ${f} ${f}.tmp && mv -f ${f}.tmp ${f}
		rm -f ${f}.tmp 1> /dev/null 2>&1
	done
}

src_install() {
	dodir /var/lib/courier
	dodir /etc/pam.d
	make install DESTDIR=${D} || die
	# fix bug #15873 bad owner on /var/run/courier
	diropts -o mail -g mail
	keepdir /var/run/courier
	# make install creates a ton of dirs that we want to keep
	# and we don't want to run keepdir 900 times
	find ${D} -type d -exec touch {}/.keep

	local f
	cd ${D}/etc/courier
	mv imapd.authpam imap.authpam
	mv pop3d.authpam pop3.authpam
	for f in *.authpam
	do
		cp "${f}" "${D}/etc/pam.d/${f%%.authpam}"
	done

	exeinto /etc/init.d
	# we install the new single init script as courier
	newexe ${FILESDIR}/courier-init courier
	# and install the old main init script as courier-old if the old one
	# is installed which it will be now, but for the future...
	`grep DAEMONLIST /etc/init.d/courier >&/dev/null` && \
		newexe ${FILESDIR}/courier courier-old
	# the rest of them don't need to be installed

	einfo "Setting up maildirs by default in the account skeleton ..."
	diropts -m 755 -o root -g root
	insinto /etc/skel
	${D}/usr/bin/maildirmake ${D}/etc/skel/.maildir
	newins ${FILESDIR}/dot_courier .courier
	fperms 644 /etc/skel/.courier
	${D}/usr/bin/maildirmake ${D}/var/spool/mail/.maildir
	insinto /etc/courier
	newins ${FILESDIR}/bofh bofh
	newins ${FILESDIR}/locallowercase locallowercase
	newins ${FILESDIR}/sizelimit sizelimit
	newins ${FILESDIR}/apache-sqwebmail.inc apache-sqwebmail.inc

	touch ${D}/var/lib/courier/webmail-logincache/.keep
	touch ${D}/var/lib/courier/tmp/broken/.keep
	touch ${D}/var/lib/courier/msgs/.keep
	touch ${D}/var/lib/courier/msgq/.keep
	touch ${D}/var/lib/courier/filters/.keep
	touch ${D}/var/lib/courier/faxtmp/.keep
	touch ${D}/var/lib/courier/calendar/public/.keep
	touch ${D}/var/lib/courier/calendar/private/.keep
	touch ${D}/var/lib/courier/calendar/localcache/.keep
	touch ${D}/var/lib/courier/calendar/.keep
	touch ${D}/var/lib/courier/allfilters/.keep

	dodoc AUTHORS BENCHMARKS ChangeLog* NEWS README TODO

	# See bug #10574
	# file which describes the webadmin password file
	insinto /etc/courier/webadmin
	insopts -m 400 -o mail -g mail
	doins ${FILESDIR}/password.dist

	# fixes bug#25028 courier doesn't symlink sendmail to /usr/sbin
	dosym /usr/bin/sendmail /usr/sbin/sendmail

}

pkg_preinst() {
	# avoid name collisions in /usr/sbin
	local y
	cd ${D}/usr/share/courier
	set_maildir imapd imapd-ssl pop3d pop3d-ssl

	cd ${D}/usr/sbin
	for y in imapd imapd-ssl pop3d pop3d-ssl
	do
		mv ${y} courier-${y}
	done

	cd ${D}/etc/courier
	for y in *.dist
	do
		cp ${y} ${y%%.dist}
	done
	touch esmtproutes
	touch backuprelay
	touch maildroprc
	chown mail:root ldapaliasrc
	chg_cfg imapd-ssl COURIERTLS /usr/bin/couriertls
	chg_cfg authdaemonrc authmodulelist authpam
	chg_cfg authdaemonrc version authdaemond.plain
	set_mime esmtpd esmtpd-ssl esmtpd-msa
	set_maildir courierd
}

pkg_postinst() {
	cd ${S}
	make install-configure

	# fixes bug #15873 for upgrades, should be able to yank this sometime in
	# the future
	chown --recursive mail:mail ${ROOT}/var/run/courier

	# need to do this for new installs to be able to start courier
	# without having to run rc-update ...
	/etc/init.d/depscan.sh

	einfo "The following command will setup courier for you system:"
	einfo "ebuild /var/db/pkg/${CATEGORY}/${PN}-${PV}/${PN}-${PV}.ebuild config"
	echo
	einfo "To enable webmail/webadmin, run the following commands:"
	einfo "$ echo \"Include /etc/courier/apache-sqwebmail.inc\" >> /etc/apache*/conf/apache.conf"
	einfo "$ chmod a+rx /usr/lib/courier/courier/webmail"
	einfo "Then visit: http(s)://localhost/courier/webmail"
	echo
	einfo "imap behavior has changed, you may need to have you imap clients logoff"
	einfo "and back on again"
	echo
	echo
	ewarn "The init scripts for courier have changed."
	ewarn "There is now one init script (/etc/init.d/courier). The rest"
	ewarn "are obsolete. You can remove /etc/init.d/courier-*. You also"
	ewarn "need to edit the following files in /etc/courier to enable"
	ewarn "the different services:"
	ewarn "imapd"
	ewarn "pop3d"
	ewarn "pop3d-ssl"
	ewarn "esmtpd"
	ewarn "imapd-ssl"
	ewarn "esmtpd-msa"
	ewarn "esmtpd-ssl"
	ewarn "hint: look for a line at the bottom of the file that looks like so"
	ewarn "ESMTPDSTART=NO"
	ewarn "and change it to YES for the services that you use"
	echo -ne "\a" ; sleep 1
	echo -ne "\a" ; sleep 1
	echo -ne "\a" ; sleep 1
	echo -ne "\a" ; sleep 1
	echo -ne "\a" ; sleep 1
}

pkg_config() {
	mailhost=`hostname`
	export mailhost

	domainname=`echo ${mailhost} | sed -e "s/[^\.]*\.\(.*\)/\1/"`
	export domainname


	if [ ${ROOT} = "/" ] ; then
		file=${ROOT}/etc/courier/locals
		if [ ! -f ${file} ] ; then
			echo "localhost" > ${file};
			echo ${domainname} >> ${file};
		fi
		file=${ROOT}/etc/courier/esmtpacceptmailfor.dir/${domainname}
		if [ ! -f ${file} ] ; then
			echo ${domainname} > ${file}
			/usr/sbin/makeacceptmailfor
		fi

		file=${ROOT}/etc/courier/smtpaccess/${domainname}
		if [ ! -f ${file} ]
		then
			netstat -nr | grep "^[1-9]" | while read network gateway netmask rest
			do
				i=1
				net=""
				TIFS=${IFS}
				IFS="."
				for o in ${netmask}
				do
					if [ ${o} == "255" ]
					then
						[ "_${net}" == "_" ] || net="${net}."
						t=`echo ${network} | cut -d " " -f ${i}`
						net="${net}${t}"
					fi
					i=$((${i} + 1))
				done
				IFS=${TIFS}
				echo "doing configuration - relay control for the network ${net} !"
				echo "${net}	allow,RELAYCLIENT" >> ${file}
			done
			/usr/sbin/makesmtpaccess
		fi
	fi

	echo "creating cert for esmtpd-ssl:"
	/usr/sbin/mkesmtpdcert
	echo "creating cert for imapd-ssl:"
	/usr/sbin/mkpop3dcert
	echo "creating cert for pop3d-ssl:"
	/usr/sbin/mkimapdcert
}