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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit flag-o-matic

DESCRIPTION="Fast, production-quality, standard-conformant FTP server"
HOMEPAGE="http://www.pureftpd.org/"
if [[ "${PV}" == 9999 ]] ; then
	inherit autotools git-r3
	EGIT_REPO_URI="https://github.com/jedisct1/pure-ftpd.git"
else
	SRC_URI="ftp://ftp.pureftpd.org/pub/${PN}/releases/${P}.tar.bz2
		http://download.pureftpd.org/pub/${PN}/releases/${P}.tar.bz2"
	KEYWORDS="~alpha amd64 arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 sparc x86"
fi

LICENSE="BSD"
SLOT="0"

IUSE="anondel anonperm anonren anonres caps implicittls ldap libressl mysql noiplog pam paranoidmsg postgres resolveids selinux ssl sysquota vchroot xinetd"

REQUIRED_USE="implicittls? ( ssl )"

DEPEND="caps? ( sys-libs/libcap )
	ldap? ( >=net-nds/openldap-2.0.25 )
	mysql? ( || (
		dev-db/mariadb-connector-c
		dev-db/mysql-connector-c
	) )
	pam? ( sys-libs/pam )
	postgres? ( dev-db/postgresql:= )
	ssl? (
		!libressl? ( >=dev-libs/openssl-0.9.6g:0=[-bindist] )
		libressl? ( dev-libs/libressl:= )
	)
	sysquota? ( sys-fs/quota[-rpc] )
	xinetd? ( virtual/inetd )"

RDEPEND="${DEPEND}
	dev-libs/libsodium:=
	net-ftp/ftpbase
	selinux? ( sec-policy/selinux-ftp )"

PATCHES=(
	"${FILESDIR}/${PN}-1.0.28-pam.patch"

	# https://bugs.gentoo.org/711124
	"${FILESDIR}/${P}-diraliases_uninitialized_pointer.patch"
	"${FILESDIR}/${P}-pure_strcmp_OOB_read.patch"
)

src_prepare() {
	default
	[[ "${PV}" == 9999 ]] && eautoreconf
}

src_configure() {
	# adjust max user length to something more appropriate
	# for virtual hosts. See bug #62472 for details.
	sed -e "s:# define MAX_USER_LENGTH 32U:# define MAX_USER_LENGTH 127U:" \
		-i "${S}/src/ftpd.h" || die "sed failed"

	# Those features are only configurable like this, see bug #179375.
	use anondel && append-cppflags -DANON_CAN_DELETE
	use anonperm && append-cppflags -DANON_CAN_CHANGE_PERMS
	use anonren && append-cppflags -DANON_CAN_RENAME
	use anonres && append-cppflags -DANON_CAN_RESUME
	use resolveids && append-cppflags -DALWAYS_RESOLVE_IDS

	# Do not auto-use SSP -- let the user select this.
	export ax_cv_check_cflags___fstack_protector_all=no

	local myeconfargs=(
		--enable-largefile
		# Required for correct pid file location.
		# pure-ftpd appends "/run/pure-ftpd.pid" to the localstatedir
		# path, and tries to write to that file even when being
		# started in foreground. So we need to pin this to /
		--localstatedir="${EPREFIX}"/
		--with-altlog
		--with-cookie
		--with-diraliases
		--with-extauth
		--with-ftpwho
		--with-language=${PUREFTPD_LANG:=english}
		--with-peruserlimits
		--with-privsep
		--with-puredb
		--with-quotas
		--with-ratios
		--with-throttling
		--with-uploadscript
		--with-virtualhosts
		$(use_with ldap)
		$(use_with mysql)
		$(use_with pam)
		$(use_with paranoidmsg)
		$(use_with postgres pgsql)
		$(use_with ssl tls)
		$(use_with implicittls)
		$(use_with vchroot virtualchroot)
		$(use_with sysquota sysquotas)
		$(usex caps '' '--without-capabilities')
		$(usex noiplog '--without-iplogging' '')
		$(usex xinetd '' '--without-inetd')
	)
	econf "${myeconfargs[@]}"
}

src_install() {
	local DOCS=( AUTHORS ChangeLog FAQ HISTORY README* NEWS )

	default

	newinitd "${FILESDIR}/pure-ftpd.rc11" ${PN}
	newconfd "${FILESDIR}/pure-ftpd.conf_d-3" ${PN}

	if use implicittls ; then
		sed -i '/^SERVER/s@21@990@' "${ED}"/etc/conf.d/${PN} \
			|| die "Adjusting default server port for implicittls usage failed!"
	fi

	keepdir /var/lib/run/${PN}

	if use xinetd ; then
		insinto /etc/xinetd.d
		newins "${FILESDIR}/pure-ftpd.xinetd" ${PN}
	fi

	if use ldap ; then
		insinto /etc/openldap/schema
		doins pureftpd.schema
		insinto /etc/openldap
		insopts -m 0600
		doins pureftpd-ldap.conf
	fi
}

pkg_postinst() {
	if [[ -z "${REPLACING_VERSIONS}" ]]; then
		# This is a new installation
		elog
		elog "Before starting Pure-FTPd, you have to edit the /etc/conf.d/pure-ftpd file!"
		elog
		ewarn "It's *really* important to read the README provided with Pure-FTPd!"
		ewarn "Check out http://download.pureftpd.org/pub/pure-ftpd/doc/README for general info"
		ewarn "and http://download.pureftpd.org/pub/pure-ftpd/doc/README.TLS for SSL/TLS info."
		ewarn
	fi
}