added TNC_TNCS_ReserveAdditionalIMVID() function

src/libcharon/plugins/tnc_imv/tnc_imv.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2006 Mike McCauley
- * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2010-2011 Andreas Steffen,
+ * HSR 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
@@ -21,6 +22,7 @@
 
 #include <debug.h>
 #include <library.h>
+#include <utils/linked_list.h>
 #include <threading/mutex.h>
 
 typedef struct private_tnc_imv_t private_tnc_imv_t;
@@ -55,6 +57,11 @@ struct private_tnc_imv_t {
 	 */
 	TNC_IMVID id;
 
+	/**
+	 * List of additional IMV IDs
+	 */
+	linked_list_t *additional_ids;
+
 	/**
 	 * List of message types supported by IMV - Vendor ID part
 	 */
@@ -88,6 +95,50 @@ METHOD(imv_t, get_id, TNC_IMVID,
 	return this->id;
 }
 
+METHOD(imv_t, add_id, void,
+	private_tnc_imv_t *this, TNC_IMVID id)
+{
+	TNC_IMVID *new_id;
+
+	new_id = malloc_thing(TNC_IMVID);
+	*new_id = id;
+	this->additional_ids->insert_last(this->additional_ids, new_id);
+}
+
+METHOD(imv_t, has_id, bool,
+	private_tnc_imv_t *this, TNC_IMVID id)
+{
+	enumerator_t *enumerator;
+	TNC_IMVID *additional_id;
+	bool found = FALSE;
+
+	/* check primary IMV ID */
+	if (id == this->id)
+	{
+		return TRUE;
+	}
+
+	/* return if there are no additional IMV IDs */
+	if (this->additional_ids->get_count(this->additional_ids) == 0)
+	{
+		return FALSE;
+	}
+
+	/* check additional IMV IDs */
+	enumerator = this->additional_ids->create_enumerator(this->additional_ids);
+	while (enumerator->enumerate(enumerator, &additional_id))
+	{
+		if (id == *additional_id)
+		{
+			found = TRUE;
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	return found;
+}
+
 METHOD(imv_t, get_name, char*,
 	private_tnc_imv_t *this)
 {
@@ -257,6 +308,7 @@ METHOD(imv_t, destroy, void,
 {
 	dlclose(this->handle);
 	this->mutex->destroy(this->mutex);
+	this->additional_ids->destroy_function(this->additional_ids, free);
 	free(this->supported_vids);
 	free(this->supported_subtypes);
 	free(this->name);
@@ -275,6 +327,8 @@ imv_t* tnc_imv_create(char *name, char *path)
 		.public = {
 			.set_id = _set_id,
 			.get_id = _get_id,
+			.add_id = _add_id,
+			.has_id = _has_id,
 			.get_name = _get_name,
 			.set_message_types = _set_message_types,
 			.set_message_types_long = _set_message_types_long,
@@ -283,6 +337,7 @@ imv_t* tnc_imv_create(char *name, char *path)
 		},
 		.name = name,
 		.path = path,
+		.additional_ids = linked_list_create(),
 		.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
 	);
 

src/libcharon/plugins/tnc_imv/tnc_imv_bind_function.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2006 Mike McCauley
- * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2010-2011 Andreas Steffen
+ * HSR 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
@@ -180,6 +181,20 @@ TNC_Result TNC_TNCS_SetAttribute(TNC_IMVID imv_id,
 									 attribute_id, buffer_len, buffer);
 }
 
+/**
+ * Called by the IMV when it wants to reserve an additional IMV ID for itself
+ */
+TNC_Result TNC_TNCC_ReserveAdditionalIMVID(TNC_IMVID imv_id, TNC_UInt32 *new_id)
+{
+	if (tnc->imvs->reserve_id(tnc->imvs, imv_id, new_id))
+	{
+		return TNC_RESULT_SUCCESS;
+	}
+	DBG1(DBG_TNC, "ignoring ReserveAdditionalIMVID() from unregistered IMV %u",
+				   imv_id);
+	return TNC_RESULT_INVALID_PARAMETER;
+}
+
 /**
  * Called by the IMV when it needs a function pointer
  */
@@ -219,6 +234,10 @@ TNC_Result TNC_TNCS_BindFunction(TNC_IMVID id,
 	{
 		*function_pointer = (void*)TNC_TNCS_SetAttribute;
 	}
+    else if (streq(function_name, "TNC_TNCS_ReserveAdditionalIMVID"))
+	{
+		*function_pointer = (void*)TNC_TNCS_ReserveAdditionalIMVID;
+	}
 	else
 	{
 		return TNC_RESULT_INVALID_PARAMETER;

src/libcharon/plugins/tnc_imv/tnc_imv_manager.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2006 Mike McCauley
- * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2010-2011 Andreas Steffen
+ * HSR 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
@@ -147,7 +148,7 @@ METHOD(imv_manager_t, is_registered, bool,
 	enumerator = this->imvs->create_enumerator(this->imvs);
 	while (enumerator->enumerate(enumerator, &imv))
 	{
-		if (id == imv->get_id(imv))
+		if (imv->has_id(imv, id))
 		{
 			found = TRUE;
 			break;
@@ -158,6 +159,28 @@ METHOD(imv_manager_t, is_registered, bool,
 	return found;
 }
 
+METHOD(imv_manager_t, reserve_id, bool,
+	private_tnc_imv_manager_t *this, TNC_IMVID id, TNC_UInt32 *new_id)
+{
+	enumerator_t *enumerator;
+	imv_t *imv;
+	bool found = FALSE;
+
+	enumerator = this->imvs->create_enumerator(this->imvs);
+	while (enumerator->enumerate(enumerator, &imv))
+	{
+		if (imv->get_id(imv))
+		{
+			imv->add_id(imv, this->next_imv_id++);
+			found = TRUE;
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	return found;
+}
+
 METHOD(imv_manager_t, get_recommendation_policy, recommendation_policy_t,
 	private_tnc_imv_manager_t *this)
 {
@@ -384,6 +407,7 @@ imv_manager_t* tnc_imv_manager_create(void)
 			.remove = _remove_, /* avoid name conflict with stdio.h */
 			.load = _load,
 			.is_registered = _is_registered,
+			.reserve_id = _reserve_id,
 			.get_recommendation_policy = _get_recommendation_policy,
 			.create_recommendations = _create_recommendations,
 			.enforce_recommendation = _enforce_recommendation,

src/libtnccs/tnc/imv/imv.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 Andreas Steffen
+ * Copyright (C) 2010-2011 Andreas Steffen
  * HSR Hochschule fuer Technik Rapperswil
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -143,6 +143,20 @@ struct imv_t {
 	 */
 	TNC_IMVID (*get_id)(imv_t *this);
 
+	/**
+	 * Assign an additional ID to an imv_t object.
+	 *
+	 * @param id					additional IMV ID to be assigned
+	 */
+	void (*add_id)(imv_t *this, TNC_IMVID id);
+
+	/**
+	 * Checks if the ID is assigned to the imv_t object.
+	 *
+	 * @return						TRUE if IMV ID is assigned to imv_t object
+	 */
+	bool (*has_id)(imv_t *this, TNC_IMVID id);
+
 	/**
 	 * Returns the name of an imv_t object.
 	 *

src/libtnccs/tnc/imv/imv_manager.h

@@ -67,6 +67,14 @@ struct imv_manager_t {
 	 */
 	bool (*is_registered)(imv_manager_t *this, TNC_IMVID id);
 
+	/**
+	 * Reserve an additional ID for an IMV
+	 *
+	 * @param id				ID of IMV instance
+	 * @param new_id			reserved ID assigned to IMV
+	 * @return					TRUE if primary IMV ID was used
+	 */
+	bool (*reserve_id)(imv_manager_t *this, TNC_IMVID id, TNC_UInt32 *new_id);
 
 	/**
 	 * Get the configured recommendation policy