p-cscf: Add plugin stub

src/libcharon/plugins/p_cscf/Makefile.am

@@ -0,0 +1,18 @@
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libhydra \
+	-I$(top_srcdir)/src/libcharon
+
+AM_CFLAGS = \
+	$(PLUGIN_CFLAGS)
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-p-cscf.la
+else
+plugin_LTLIBRARIES = libstrongswan-p-cscf.la
+endif
+
+libstrongswan_p_cscf_la_SOURCES = \
+	p_cscf_plugin.c p_cscf_plugin.h
+
+libstrongswan_p_cscf_la_LDFLAGS = -module -avoid-version

src/libcharon/plugins/p_cscf/p_cscf_plugin.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include "p_cscf_plugin.h"
+
+#include <daemon.h>
+
+typedef struct private_p_cscf_plugin_t private_p_cscf_plugin_t;
+
+/**
+ * Private data
+ */
+struct private_p_cscf_plugin_t {
+
+	/**
+	 * Public interface
+	 */
+	p_cscf_plugin_t public;
+};
+
+METHOD(plugin_t, get_name, char*,
+	private_p_cscf_plugin_t *this)
+{
+	return "p-cscf";
+}
+
+METHOD(plugin_t, destroy, void,
+	private_p_cscf_plugin_t *this)
+{
+	free(this);
+}
+
+/**
+ * See header
+ */
+plugin_t *p_cscf_plugin_create()
+{
+	private_p_cscf_plugin_t *this;
+
+	INIT(this,
+		.public = {
+			.plugin = {
+				.get_name = _get_name,
+				.destroy = _destroy,
+			},
+		},
+	);
+
+	return &this->public.plugin;
+}

src/libcharon/plugins/p_cscf/p_cscf_plugin.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup p_cscf p_cscf
+ * @ingroup cplugins
+ *
+ * @defgroup p_cscf_plugin p_cscf_plugin
+ * @{ @ingroup p_cscf
+ */
+
+#ifndef P_CSCF_PLUGIN_H_
+#define P_CSCF_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct p_cscf_plugin_t p_cscf_plugin_t;
+
+/**
+ * Plugin that requests P-CSCF server addresses from an ePDG as specified
+ * in RFC 7651.
+ */
+struct p_cscf_plugin_t {
+
+	/**
+	 * Implements plugin interface.
+	 */
+	plugin_t plugin;
+};
+
+#endif /** P_CSCF_PLUGIN_H_ @}*/