# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/mail-mta/courier/courier-0.47.20041113.ebuild,v 1.2 2004/11/16 23:34:09 swtaylor Exp $

inherit eutils

DESCRIPTION="An MTA designed specifically for maildirs"
[ -z "${PV/?.??/}" ] && SRC_URI="mirror://sourceforge/courier/${P}.tar.bz2" || SRC_URI="http://www.courier-mta.org/beta/courier/${P}.tar.bz2"
HOMEPAGE="http://www.courier-mta.org/"

SLOT="0"
LICENSE="GPL-2"
#KEYWORDS="~x86 ~alpha ~ppc ~sparc ~amd64 ~mips"
KEYWORDS="-*"
IUSE="postgres ldap mysql pam nls ipv6 spell fax crypt norewrite uclibc mailwrapper"

PROVIDE="virtual/mta
	 virtual/mda
	 virtual/imapd"

DEPEND="virtual/libc
	mail-mta/courier-authlib
	>=dev-libs/openssl-0.9.6
	>=sys-libs/gdbm-1.8.0
	crypt? ( >=app-crypt/gnupg-1.0.4 )
	fax? (	>=media-libs/netpbm-9.12 virtual/ghostscript >=net-dialup/mgetty-1.1.28 )
	pam? ( >=sys-libs/pam-0.75 )
	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 )
	!mailwrapper? ( !virtual/mta )
	mailwrapper? ( >=net-mail/mailwrapper-0.2 )
	!virtual/mda
	!virtual/imapd"

RDEPEND="${DEPEND}
	mail-mta/courier-authlib
	app-admin/fam
	dev-lang/perl
	sys-apps/procps"

src_unpack() {
	unpack ${A}
	cd ${S}
	use norewrite && epatch ${FILESDIR}/norewrite.patch
	use uclibc && sed -i -e 's:linux-gnu\*:linux-gnu\*\ \|\ linux-uclibc:' config.sub
}

src_compile() {
	local myconf
	myconf="`use_with spell ispell` `use_with ipv6` `use_enable ldap maildropldap`"

	use ldap && myconf="${myconf} --with-ldapconfig=/etc/courier/maildrop.ldaprc"

	if use nls && [ ! -z "$ENABLE_UNICODE" ]; then
		myconf="${myconf} --enable-unicode=$ENABLE_UNICODE"
	else
		myconf="${myconf} `use_enable nls unicode`"
	fi

	myconf="${myconf} debug=true"

	einfo "Building courier with: ${myconf}"

	./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 \
		--with-db=gdbm \
		--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
}

set_dollarmaildir() {
	local files=$*

	origmaildir='Maildir'
	newmaildir='$MAILDIRPATH'

	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
	mkdir -p ${D}/var/run/courier
	diropts -o mail -g mail
	for dir2keep in `(cd ${D} && find . -type d)` ; do
		keepdir $dir2keep || die "failed running keepdir: $dir2keep"
	done

	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
	newexe ${FILESDIR}/courier-init courier
	`grep DAEMONLIST /etc/init.d/courier >&/dev/null` && \
		newexe ${FILESDIR}/courier courier-old

	einfo "Setting up maildirs by default in the account skeleton ..."
	diropts -m 755 -o root -g root
	keepdir /etc/skel
	${D}/usr/bin/maildirmake ${D}/etc/skel/.maildir
	keepdir /var/spool/mail
	${D}/usr/bin/maildirmake ${D}/var/spool/mail/.maildir
	insinto /etc/courier
	newins ${FILESDIR}/bofh bofh
	newins ${FILESDIR}/locallowercase locallowercase
	newins ${FILESDIR}/apache-sqwebmail.inc apache-sqwebmail.inc
	echo 0 > ${D}/etc/courier/sizelimit

	cd ${S}
	use nls && cp unicode/README README.unicode
	cp imap/README README.imap
	dodoc AUTHORS BENCHMARKS COPYING* ChangeLog* INSTALL NEWS README* TODO courier/doc/*.txt
	echo "See /usr/share/courier/htmldoc/index.html for docs in html format" \
		>>${D}/usr/share/doc/${P}/README.htmldocs

	insinto /usr/lib/courier/courier
	insopts -m  755 -o mail -g mail
	doins ${S}/courier/webmaild

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

	if use mailwrapper ; then
		mv ${D}/usr/bin/sendmail ${D}/usr/bin/sendmail.courier
		rm ${D}/usr/bin/rmail
		insinto /etc/mail
		doins ${FILESDIR}/mailer.conf
	else
		dosym /usr/bin/sendmail /usr/sbin/sendmail
	fi

	echo "MAILDIR=\$HOME/.maildir" >> ${D}/etc/courier/courierd

	# we change the names of the binaries, but webadmin is still looking
	# for the old names
	sed -i -e 's:\$sbindir\/imapd:\$sbindir\/courier-imapd:g' \
		-e 's:\$sbindir\/imapd-ssl:\$sbindir\/courier-imapd-ssl:g' \
		${D}/usr/share/courier/courierwebadmin/admin-40imap.pl \
		|| ewarn "failed to fix webadmin"
	sed -i -e 's:\$sbindir\/pop3d:\$sbindir\/courier-pop3d:g' \
		-e 's:\$sbindir\/pop3d-ssl:\$sbindir\/courier-pop3d-ssl:g' \
		${D}/usr/share/courier/courierwebadmin/admin-45pop3.pl \
		|| ewarn "failed to fix webadmin"

	# avoid name collisions in /usr/sbin
	local y
	cd ${D}/usr/share/courier
	set_dollarmaildir 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
	[ -e ldapaliasrc ] && 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 imapd imapd-ssl pop3d pop3d-ssl sqwebmaild *.dist
}

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

	einfo "The following command will setup courier for your 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
	ewarn "There is one init script (/etc/init.d/courier)."
	ewarn "Each component is activated by a line in its config"
	ewarn "which is in /etc/courier:"
	ewarn "imapd"
	ewarn "imapd-ssl"
	ewarn "pop3d"
	ewarn "pop3d-ssl"
	ewarn "esmtpd"
	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
	einfo "expect was removed as a dependency due to it's limited usefulness."
	einfo "If you need the ability to change passwords via webmail _while_ using AUTHPAM, you'll"
	einfo "have to emerge expect manually. Other auth modules are unaffected."
	ebeep 5
}

pkg_config() {
	mailhost=`hostname`
	export mailhost

	domainname=`domainname`
	if [ "x$domainname" = "x(none)" ] ; then
		domainname=`echo ${mailhost} | sed -e "s/[^\.]*\.\(.*\)/\1/"`
	fi
	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
}