# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-dns/djbdns/djbdns-1.05-r23.ebuild,v 1.10 2012/06/14 02:04:37 zmedico Exp $

IUSE="doc ipv6 selinux static"

inherit eutils flag-o-matic toolchain-funcs user

DESCRIPTION="Excellent high-performance DNS services"
HOMEPAGE="http://cr.yp.to/djbdns.html"
IPV6_PATCH="test23"

SRC_URI="
	http://cr.yp.to/djbdns/${P}.tar.gz
	ipv6? ( http://www.fefe.de/dns/${P}-${IPV6_PATCH}.diff.bz2 )
"

SLOT="0"
LICENSE="public-domain"
KEYWORDS="alpha amd64 hppa ~mips ppc ppc64 sparc x86"

RDEPEND="
	virtual/daemontools
	sys-apps/ucspi-tcp
	doc? ( app-doc/djbdns-man )
	selinux? ( sec-policy/selinux-djbdns )
"

src_unpack() {
	unpack "${P}.tar.gz"
	cd "${S}"

	echo
	elog 'Several patches have been dropped from this djbdns ebuild revision.'
	elog 'Please use the DJBDNS_PATCH_DIR variable to specify a directory'
	elog 'of custom patches.'
	elog
	elog 'Some of them can be found at http://tinydns.org/ or'
	elog 'http://homepages.tesco.net/J.deBoynePollard/Softwares/djbdns/'
	elog

	epatch \
		"${FILESDIR}/headtail.patch" \
		"${FILESDIR}/dnsroots.patch" \
		"${FILESDIR}/dnstracesort.patch"

	# Fix CVE2009-0858
	epatch "${FILESDIR}/CVE2009-0858_0001-check-response-domain-name-length.patch"

	if use ipv6; then
		elog "At present dnstrace does NOT support IPv6. It will"\
		     "be compiled without IPv6 support."
		cp -pR "${S}" "${S}-noipv6"
		# Careful -- >=test21 of the IPv6 patch includes the errno patch
		epatch "${DISTDIR}/${P}-${IPV6_PATCH}.diff.bz2"

		# Fix CVE2008-4392
		epatch \
			"${FILESDIR}/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries-ipv6.patch" \
			"${FILESDIR}/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch"

		cd "${S}-noipv6"
	fi

	# Fix CVE2008-4392
	epatch \
		"${FILESDIR}/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch" \
		"${FILESDIR}/CVE2008-4392_0002-dnscache-cache-soa-records.patch"

	epatch "${FILESDIR}/${PV}-errno.patch"

	if [[ -n "${DJBDNS_PATCH_DIR}" && -d "${DJBDNS_PATCH_DIR}" ]]
	then
		echo
		ewarn "You enabled custom patches from ${DJBDNS_PATCH_DIR}."
		ewarn "Be warned that you won't get any support when using "
		ewarn "this feature. You're on your own from now!"
		echo
		ebeep
		cd "${S}" && epatch "${DJBDNS_PATCH_DIR}/"*
	fi
}

src_compile() {
	use static && append-ldflags -static
	echo "$(tc-getCC) ${CFLAGS}" > conf-cc
	echo "$(tc-getCC) ${LDFLAGS}" > conf-ld
	echo "/usr" > conf-home
	emake -j1 || die "emake failed"

	# If djbdns is compiled with IPv6 support, it breaks dnstrace.
	# Therefore we must compile dnstrace separately without IPv6
	# support.
	if use ipv6; then
		elog "Compiling dnstrace without ipv6 support"
		cd "${S}-noipv6"
		echo "$(tc-getCC) ${CFLAGS}" > conf-cc
		echo "$(tc-getCC) ${LDFLAGS}" > conf-ld
		echo "/usr" > conf-home
		emake -j1 dnstrace || die "emake failed"
	fi
}

src_install() {
	insinto /etc
	doins dnsroots.global

	into /usr
	dobin *-conf dnscache tinydns walldns rbldns pickdns axfrdns \
		*-get *-data *-edit dnsip dnsipq dnsname dnstxt dnsmx \
		dnsfilter random-ip dnsqr dnsq dnstrace dnstracesort

	use ipv6 && dobin dnsip6 dnsip6q "${S}-noipv6/dnstrace"

	dodoc CHANGES FILES README SYSDEPS TARGETS TODO VERSION

	dobin "${FILESDIR}/dnscache-setup" || die
	dobin "${FILESDIR}/tinydns-setup" || die
	dobin "${FILESDIR}/djbdns-setup" || die
}

pkg_setup() {
	# The nofiles group is provided by baselayout
	enewuser dnscache -1 -1 -1 nofiles
	enewuser dnslog -1 -1 -1 nofiles
	enewuser tinydns -1 -1 -1 nofiles
}

pkg_postinst() {
	elog "Use dnscache-setup & tinydns-setup or djbdns-setup to configure djbdns."
}