packages: add openvpn-otp

packages/openvpn-otp/.gitignore

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+openvpn-otp/
+*.deb
+*.dsc
+*.buildinfo
+*.changes
+*.git

packages/openvpn-otp/Jenkinsfile

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+// Copyright (C) 2020-2021 VyOS maintainers and contributors
+//
+// This program is free software; you can redistribute it and/or modify
+// in order to easy exprort images built to "external" world
+// it under the terms of the GNU General Public License version 2 or later as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+@NonCPS
+
+// Using a version specifier library, use 'current' branch. The underscore (_)
+// is not a typo! You need this underscore if the line immediately after the
+// @Library annotation is not an import statement!
+@Library('vyos-build@current')_
+
+// NOTE: we can build with -d as the libbpf dependency is installed manually
+// and not via a DEB package
+def pkgList = [
+    ['name': 'openvpn-otp',
+     'scmCommit': 'master',
+     'scmUrl': 'https://github.com/evgeny-gridasov/openvpn-otp',
+     'buildCmd': 'cd ..; ./build-openvpn-otp.sh'],
+]
+// Start package build using library function from https://github.com/vyos/vyos-build
+buildPackage('openvpn-otp', pkgList, null, true, "**/packages/openvpn-otp/*")

packages/openvpn-otp/build-openvpn-otp.sh

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+#!/bin/sh
+CWD=$(pwd)
+set -e
+
+SRC=openvpn-otp
+
+if [ ! -d ${SRC} ]; then
+    echo "source directory does not exists, please 'git clone'"
+    exit 1
+fi
+
+# Build instructions as per https://github.com/evgeny-gridasov/openvpn-otp/blob/master/README.md
+cd ${SRC}
+apt-get -y install debhelper libssl-dev openvpn
+./autogen.sh
+./configure --prefix=/usr
+make
+
+# install
+mkdir -p usr/lib/openvpn
+cp src/.libs/openvpn-otp.so usr/lib/openvpn
+
+fpm --input-type dir --output-type deb --name openvpn-otp \
+    --maintainer "VyOS Package Maintainers <maintainers@vyos.net>" \
+    --description "OpenVPN OTP Authentication support." \
+    --depends openvpn --architecture $(dpkg --print-architecture) \
+    --version $(git describe --always) --deb-compression gz usr
+
+cp *.deb ${CWD}
+
+# do not confuse Jenkins by providing multiple openvpn-otp deb files
+cd ${CWD}
+rm -rf ${SRC}