net-ftp/ftpbase: add zeroconf support

Also dropped old blocker, which are ancient.

Closes: https://bugs.gentoo.org/261910
Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

net-ftp/ftpbase/files/ftp.service

@@ -0,0 +1,10 @@
+<?xml version="1.0" standalone='no'?><!--*-nxml-*-->
+<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
+
+<service-group>
+	<name replace-wildcards="yes">File Transfer Protocol (FTP) on %h</name>
+	<service>
+		<port>21</port>
+		<type>_ftp._tcp</type>
+	</service>
+</service-group>

net-ftp/ftpbase/ftpbase-0.01-r5.ebuild

@@ -0,0 +1,39 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit pam
+
+DESCRIPTION="File Transfer Protocol (FTP) base layout"
+HOMEPAGE="https://wiki.gentoo.org/wiki/No_homepage"
+S="${WORKDIR}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+IUSE="pam zeroconf"
+
+DEPEND="
+	pam? ( sys-libs/pam )
+	zeroconf? ( net-dns/avahi )
+"
+
+RDEPEND="
+	acct-group/ftp
+	acct-user/ftp
+"
+
+src_install() {
+	# The ftpusers file is a list of people who are NOT allowed
+	# to use the ftp service.
+	insinto /etc
+	doins "${FILESDIR}/ftpusers"
+
+	use pam	&& newpamd "${FILESDIR}"/ftp-pamd-include ftp
+
+	if use zeroconf; then
+		insinto /etc/avahi/services
+		doins "${FILESDIR}/ftp.service"
+	fi
+}

net-ftp/ftpbase/metadata.xml

@@ -6,4 +6,7 @@
 		<name>Conrad Kostecki</name>
 	</maintainer>
 	<stabilize-allarches/>
+	<use>
+		<flag name="zeroconf">Enable support for zero-configuration networking via Avahi.</flag>
+	</use>
 </pkgmetadata>