--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit autotools git-r3
+
+DESCRIPTION="A utility for finding, fingerprinting and testing IKE VPN servers"
+HOMEPAGE="https://github.com/royhills/ike-scan/"
+EGIT_REPO_URI="https://github.com/royhills/ike-scan"
+
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="libressl ssl"
+KEYWORDS=""
+
+DEPEND="
+ ssl? (
+ !libressl? ( dev-libs/openssl:0= )
+ libressl? ( dev-libs/libressl:0= )
+ )
+"
+RDEPEND="
+ ${DEPEND}
+"
+
+src_prepare() {
+ # Fix buffer overflow, bug #277556
+ sed \
+ -e "/MAXLINE/s:255:511:g" \
+ -i ike-scan.h || die
+
+ default
+
+ eautoreconf
+}
+
+src_configure() {
+ econf $(use_with ssl openssl)
+}
+
+src_install() {
+ default
+ dodoc udp-backoff-fingerprinting-paper.txt
+}