# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

IUSE="s25r"

inherit eutils

DESCRIPTION="Simple greylisting for qmail (with Qgray s25r patch)"
HOMEPAGE="http://www.jonatkins.com/page/software/qgreylist/
		  http://k2net.hakuba.jp/qgrey/"
SRC_URI="http://www.jonatkins.com/qgreylist/${P}.tar.gz
         s25r? (http://k2net.hakuba.jp/pub/qgrey-0.1-0.3.tar.gz)"

# Qgray patch based http://k2net.hakuba.jp/rgrey/index.html postfix filter
# combined FQDN check & greylisting

LICENSE="as-is"
SLOT="0"
KEYWORDS="~x86 ~amd64"

DEPEND=">=dev-lang/perl-5.8
		>=mail-mta/qmail-1.03-r15"

RDEPEND=""

S=${WORKDIR}/qgreylist

src_unpack() {
	unpack ${A}
	cd ${S}
	if use s25r; then
	    epatch ../qgrey-0.1-0.3/qgrey.patch
	fi
}

src_install() {
	diropts -m 755 -o qmaild -g qmail
	insopts -m 755 -o qmaild -g qmail
	exeopts -o qmaild -g qmail

	into /var/qmail/
	
	dodir /var/qmail/greylist
	dodir /var/qmail/whitelist

	if use s25r; then
		insinto /var/qmail/
		doins ../qgrey-0.1-0.3/s25r
	fi	

	dobin greylist || die

	dodoc README
}

pkg_postinst() {
	einfo
	einfo "Please edit /var/qmail/control/conf-smtpd and add:"
	einfo "QMAIL_SMTP_PRE=\"\${QMAIL_SMTP_PRE} /var/qmail/bin/greylist\" "
	einfo "The latter must be placed BEFORE rblsmtpd and AFTER relay-ctrl-check."
	einfo "Example:"
	einfo "  QMAIL_TCPSERVER_PRE=\"\${QMAIL_TCPSERVER_PRE} envdir /etc/relay-ctrl relay-ctrl-chdir\" "
	einfo "  QMAIL_SMTP_PRE=\"\${QMAIL_SMTP_PRE} relay-ctrl-check\" "
	einfo "  QMAIL_SMTP_PRE=\"\${QMAIL_SMTP_PRE} /var/qmail/bin/greylist\" "
	einfo "  QMAIL_SMTP_PRE=\"\${QMAIL_SMTP_PRE} rblsmtpd -r relays.ordb.org\" "
	einfo "You may also want to modify the following lines in /var/qmail/bin/greylist:"
	einfo "  my \$domain = <your default domain>"
	einfo "  my \$greylistclassc = 0/1 (greylist class C networks or not)"
	einfo "  print \"220 \$domain qgreylist \$version\" (SMTP custom greeting)"
	einfo "The greylisted IP addresses are stored as files in /var/qmail/greylist."
	einfo "You can whitelist IPs (or subnets) by creating a file named after the "
	einfo "remote host's IP address in /var/qmail/whitelist "
	einfo "(or moving it from /var/qmail/greylist)."
	einfo "You can check SMTP qgreylist activity by simply grepping the log:"
	einfo "  e.g. tail /var/log/messages | grep greylist"
	einfo
}