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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-mail/mailgraph/mailgraph-1.14.ebuild,v 1.9 2007/12/27 23:50:58 rich0 Exp $

inherit eutils webapp

DESCRIPTION="A mail statistics RRDtool frontend for Postfix"
HOMEPAGE="http://mailgraph.schweikert.ch/"
SRC_URI="http://mailgraph.schweikert.ch//pub/${P}.tar.gz"

LICENSE="GPL-2"
KEYWORDS="amd64 ppc ppc64 sparc x86"
IUSE=""

RDEPEND="dev-lang/perl
	dev-perl/File-Tail
	>=net-analyzer/rrdtool-1.2.2"
DEPEND=">=sys-apps/sed-4"

user_group_setup() {
	# add user and group for mailgraph daemon
	# also add mgraph to the group adm so it's able to
	# read syslog logfile /var/log/messages (should be owned by
	# root:adm with permission 0640)
	enewgroup mgraph
	enewuser mgraph -1 -1 /var/empty mgraph,adm
}

pkg_setup() {
	webapp_pkg_setup
	built_with_use net-analyzer/rrdtool perl \
		|| die "net-analyzer/rrdtool must be built with USE=perl"
	user_group_setup
}

src_unpack() {
	unpack ${A}
	cd "${S}"
	sed -i \
		-e "s|\(my \$rrd = '\).*'|\1/var/lib/mailgraph/mailgraph.rrd'|" \
		-e "s|\(my \$rrd_virus = '\).*'|\1/var/lib/mailgraph/mailgraph_virus.rrd'|" \
		mailgraph.cgi || die "sed mailgraph.cgi failed"
}

src_install() {
	webapp_src_preinst
	# be sure to run webapp_src_install *before* doing the directories below
	# because it cripples all other permissions :-(
	webapp_src_install

	# for the RRDs
	dodir /var/lib
	diropts -omgraph -gmgraph -m0750
	dodir /var/lib/mailgraph
	keepdir /var/lib/mailgraph

	# log and pid file
	diropts ""
	dodir /var/log
	dodir /var/run
	diropts -omgraph -gadm -m0750
	dodir /var/log/mailgraph
	keepdir /var/log/mailgraph
	dodir /var/run/mailgraph
	keepdir /var/run/mailgraph

	# logrotate config for mailgraph log
	diropts ""
	dodir /etc/logrotate.d
	insopts -m0644
	insinto /etc/logrotate.d
	newins "${FILESDIR}"/mailgraph.logrotate-new mailgraph

	# mailgraph daemon
	newbin mailgraph.pl mailgraph

	# mailgraph CGI script
	exeinto ${MY_CGIBINDIR}
	doexe mailgraph.cgi

	# init/conf files for mailgraph daemon
	newinitd "${FILESDIR}"/mailgraph.initd-new mailgraph
	newconfd "${FILESDIR}"/mailgraph.confd-new mailgraph

	# docs
	dodoc README CHANGES
}

pkg_postinst() {
	# Fix ownerships - previous versions installed these with
	# root as owner
	if has_version '<=net-mail/mailgraph-1.12' ; then
		if [[ -d /var/lib/mailgraph ]] ; then
			chown mgraph:mgraph /var/lib/mailgraph
		fi
		if [[ -d /var/log/mailgraph ]] ; then
			chown mgraph:adm /var/log/mailgraph
		fi
		if [[ -d /var/run/mailgraph ]] ; then
			chown mgraph:adm /var/run/mailgraph
		fi
	fi
	elog
	elog "Mailgraph will run as user mgraph with group adm by default."
	elog "This can be changed in /etc/conf.d/mailgraph if it doesn't fit."
	elog "Remember to adjust MG_DAEMON_LOG, MG_DAEMON_PID and MG_DAEMON_RRD"
	elog "as well!"
	elog
	elog
	ewarn
	ewarn "Please make sure the MG_LOGFILE (default: /var/log/messages) is readable"
	ewarn "by group adm or change MG_DAEMON_GID in /etc/conf.d/mailgraph accordingly!"
	ewarn
	ewarn "Please make sure *all* mail related logs (MTA, spamfilter, virus scanner)"
	ewarn "go to the file /var/log/messages or change MG_LOGFILE in"
	ewarn "/etc/conf.d/mailgraph accordingly! Otherwise mailgraph won't get to know"
	ewarn "the corresponding events (virus/spam mail found etc.)."
	ewarn
	ewarn
	elog
	elog "Checking for user apache"
	if egetent passwd apache >&/dev/null; then
		elog
		elog "Adding user apache to group mgraph so the included"
		elog "CGI script is able to read the mailgraph RRD files"
		elog
		if ! gpasswd -a apache mgraph >&/dev/null; then
			eerror "Failed to add user apache to group mgraph!"
			eerror "Please check manually."
		fi
	else
		elog
		elog "User apache not found, maybe we will be running a"
		elog "webserver with a different UID?"
		elog "If that's the case, please add that user to the"
		elog "group mgraph manually to enable the included"
		elog "CGI script to read the mailgraph RRD files:"
		elog
		elog "\tgpasswd -a <user> mgraph"
		elog
	fi
}