Added kernel_ipsec/net plugin feature loading callbacks

src/libhydra/Makefile.am

@@ -8,7 +8,7 @@ attributes/attribute_manager.c attributes/attribute_manager.h \
 attributes/mem_pool.c attributes/mem_pool.h \
 kernel/kernel_interface.c kernel/kernel_interface.h \
 kernel/kernel_ipsec.c kernel/kernel_ipsec.h \
-kernel/kernel_net.h \
+kernel/kernel_net.c kernel/kernel_net.h \
 kernel/kernel_listener.h
 
 libhydra_la_LIBADD =

src/libhydra/kernel/kernel_ipsec.c

@@ -15,6 +15,8 @@
 
 #include "kernel_ipsec.h"
 
+#include <hydra.h>
+
 ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_DROP,
 	"TRANSPORT",
 	"TUNNEL",
@@ -37,3 +39,21 @@ ENUM(ipcomp_transform_names, IPCOMP_NONE, IPCOMP_LZJH,
 	"IPCOMP_LZJH"
 );
 
+/**
+ * See header
+ */
+bool kernel_ipsec_register(plugin_t *plugin, plugin_feature_t *feature,
+						   bool reg, void *data)
+{
+	if (reg)
+	{
+		hydra->kernel_interface->add_ipsec_interface(hydra->kernel_interface,
+											(kernel_ipsec_constructor_t)data);
+	}
+	else
+	{
+		hydra->kernel_interface->remove_ipsec_interface(hydra->kernel_interface,
+											(kernel_ipsec_constructor_t)data);
+	}
+	return TRUE;
+}

src/libhydra/kernel/kernel_ipsec.h

@@ -37,6 +37,7 @@ typedef struct mark_t mark_t;
 #include <utils/host.h>
 #include <crypto/prf_plus.h>
 #include <selectors/traffic_selector.h>
+#include <plugins/plugin.h>
 
 /**
  * Mode of an IPsec SA.
@@ -386,4 +387,18 @@ struct kernel_ipsec_t {
 	void (*destroy) (kernel_ipsec_t *this);
 };
 
+/**
+ * Helper function to (un-)register IPsec kernel interfaces from plugin features.
+ *
+ * This function is a plugin_feature_callback_t and can be used with the
+ * PLUGIN_CALLBACK macro to register an IPsec kernel interface constructor.
+ *
+ * @param plugin		plugin registering the kernel interface
+ * @param feature		associated plugin feature
+ * @param reg			TRUE to register, FALSE to unregister
+ * @param data			data passed to callback, an kernel_ipsec_constructor_t
+ */
+bool kernel_ipsec_register(plugin_t *plugin, plugin_feature_t *feature,
+						   bool reg, void *data);
+
 #endif /** KERNEL_IPSEC_H_ @}*/

src/libhydra/kernel/kernel_net.c

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2011 Martin Willi
+ * Copyright (C) 2011 revosec AG
+ *
+ * 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 "kernel_net.h"
+
+#include <hydra.h>
+
+/**
+ * See header
+ */
+bool kernel_net_register(plugin_t *plugin, plugin_feature_t *feature,
+						 bool reg, void *data)
+{
+	if (reg)
+	{
+		hydra->kernel_interface->add_net_interface(hydra->kernel_interface,
+											(kernel_net_constructor_t)data);
+	}
+	else
+	{
+		hydra->kernel_interface->remove_net_interface(hydra->kernel_interface,
+											(kernel_net_constructor_t)data);
+	}
+	return TRUE;
+}

src/libhydra/kernel/kernel_net.h

@@ -26,6 +26,7 @@ typedef struct kernel_net_t kernel_net_t;
 
 #include <utils/enumerator.h>
 #include <utils/host.h>
+#include <plugins/plugin.h>
 
 /**
  * Interface to the network subsystem of the kernel.
@@ -142,4 +143,18 @@ struct kernel_net_t {
 	void (*destroy) (kernel_net_t *this);
 };
 
+/**
+ * Helper function to (un-)register net kernel interfaces from plugin features.
+ *
+ * This function is a plugin_feature_callback_t and can be used with the
+ * PLUGIN_CALLBACK macro to register an net kernel interface constructor.
+ *
+ * @param plugin		plugin registering the kernel interface
+ * @param feature		associated plugin feature
+ * @param reg			TRUE to register, FALSE to unregister
+ * @param data			data passed to callback, an kernel_net_constructor_t
+ */
+bool kernel_net_register(plugin_t *plugin, plugin_feature_t *feature,
+						 bool reg, void *data);
+
 #endif /** KERNEL_NET_H_ @}*/