net-misc/dropbear: skip default keys generation if -r

Closes: https://bugs.gentoo.org/947598
Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>

net-misc/dropbear/dropbear-2025.88-r1.ebuild

@@ -187,7 +187,7 @@ src_install() {
 	set_options
 	emake "${makeopts[@]}" PROGRAMS="${progs[*]}" DESTDIR="${D}" install
 	doman manpages/*.8
-	newinitd "${FILESDIR}"/dropbear.init.d dropbear
+	newinitd "${FILESDIR}"/dropbear.init.d-r1 dropbear
 	newconfd "${FILESDIR}"/dropbear.conf.d dropbear
 	dodoc CHANGES README.md SMALL.md MULTI.md
 

net-misc/dropbear/files/dropbear.init.d-r1

@@ -0,0 +1,41 @@
+#!/sbin/openrc-run
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+depend() {
+	use logger dns
+	need net
+}
+
+check_config() {
+	# bug #947598 - don't generate keys if DROPBEAR_OPTS contains option `-r`
+	echo "${DROPBEAR_OPTS}" | grep -E '(^-r)|(\s-r)' > /dev/null 2>&1 && return
+
+	mkdir -p /etc/dropbear
+
+	local t k
+	for t in rsa ecdsa ed25519; do
+		k="/etc/dropbear/dropbear_${t}_host_key"
+		if [ ! -e ${k} ] ; then
+			# See if support is enabled for this key type.
+			if dropbearkey -h 2>&1 | grep -q "	${t}$" ; then
+				einfo "Generating ${k} ..."
+				dropbearkey -t ${t} -f ${k} >/dev/null
+			fi
+		fi &
+	done
+	wait
+}
+
+start() {
+	check_config || return 1
+	ebegin "Starting dropbear"
+	dropbear ${DROPBEAR_OPTS}
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping dropbear"
+	start-stop-daemon --stop --pidfile /var/run/dropbear.pid
+	eend $?
+}