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/*
* Copyright (C) 2006 Mike McCauley
* Copyright (C) 2010 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
* 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 <tnc/tnc.h>
#include <tnc/imc/imc_manager.h>
#include <tnc/tnccs/tnccs_manager.h>
#include <utils/debug.h>
/**
* Called by the IMC to inform a TNCC about the set of message types the IMC
* is able to receive
*/
TNC_Result TNC_TNCC_ReportMessageTypes(TNC_IMCID imc_id,
TNC_MessageTypeList supported_types,
TNC_UInt32 type_count)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring ReportMessageTypes() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->imcs->set_message_types(tnc->imcs, imc_id, supported_types,
type_count);
}
/**
* Called by the IMC to inform a TNCC about the set of message types the IMC
* is able to receive. This function supports long message types.
*/
TNC_Result TNC_TNCC_ReportMessageTypesLong(TNC_IMCID imc_id,
TNC_VendorIDList supported_vids,
TNC_MessageSubtypeList supported_subtypes,
TNC_UInt32 type_count)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring ReportMessageTypesLong() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->imcs->set_message_types_long(tnc->imcs, imc_id, supported_vids,
supported_subtypes, type_count);
}
/**
* Called by the IMC to ask a TNCC to retry an Integrity Check Handshake
*/
TNC_Result TNC_TNCC_RequestHandshakeRetry(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_RetryReason reason)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring RequestHandshakeRetry() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->tnccs->request_handshake_retry(tnc->tnccs, TRUE, imc_id,
connection_id, reason);
}
/**
* Called by the IMC when an IMC-IMV message is to be sent
*/
TNC_Result TNC_TNCC_SendMessage(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_MessageType msg_type)
{
TNC_VendorID msg_vid;
TNC_MessageSubtype msg_subtype;
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring SendMessage() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
msg_vid = (msg_type >> 8) & TNC_VENDORID_ANY;
msg_subtype = msg_type & TNC_SUBTYPE_ANY;
return tnc->tnccs->send_message(tnc->tnccs, imc_id, TNC_IMVID_ANY,
connection_id, 0, msg, msg_len, msg_vid, msg_subtype);
}
/**
* Called by the IMC when an IMC-IMV message is to be sent over IF-TNCCS 2.0
*/
TNC_Result TNC_TNCC_SendMessageLong(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_UInt32 msg_flags,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_VendorID msg_vid,
TNC_MessageSubtype msg_subtype,
TNC_UInt32 imv_id)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring SendMessage() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->tnccs->send_message(tnc->tnccs, imc_id, imv_id, connection_id,
msg_flags, msg, msg_len, msg_vid, msg_subtype);
}
/**
* Called by the IMC to get the value of an attribute associated with a
* connection or with the TNCC as a whole.
*/
TNC_Result TNC_TNCC_GetAttribute(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_AttributeID attribute_id,
TNC_UInt32 buffer_len,
TNC_BufferReference buffer,
TNC_UInt32 *out_value_len)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring GetAttribute() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->tnccs->get_attribute(tnc->tnccs, TRUE, imc_id, connection_id,
attribute_id, buffer_len, buffer, out_value_len);
}
/**
* Called by the IMC to set the value of an attribute associated with a
* connection or with the TNCC as a whole.
*/
TNC_Result TNC_TNCC_SetAttribute(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_AttributeID attribute_id,
TNC_UInt32 buffer_len,
TNC_BufferReference buffer)
{
if (!tnc->imcs->is_registered(tnc->imcs, imc_id))
{
DBG1(DBG_TNC, "ignoring SetAttribute() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
return tnc->tnccs->set_attribute(tnc->tnccs, TRUE, imc_id, connection_id,
attribute_id, buffer_len, buffer);
}
/**
* Called by the IMC when it wants to reserve an additional IMC ID for itself
*/
TNC_Result TNC_TNCC_ReserveAdditionalIMCID(TNC_IMCID imc_id, TNC_UInt32 *new_id)
{
if (tnc->imcs->reserve_id(tnc->imcs, imc_id, new_id))
{
return TNC_RESULT_SUCCESS;
}
DBG1(DBG_TNC, "ignoring ReserveAdditionalIMCID() from unregistered IMC %u",
imc_id);
return TNC_RESULT_INVALID_PARAMETER;
}
/**
* Called by the IMC when it needs a function pointer
*/
TNC_Result TNC_TNCC_BindFunction(TNC_IMCID id,
char *function_name,
void **function_pointer)
{
if (streq(function_name, "TNC_TNCC_ReportMessageTypes"))
{
*function_pointer = (void*)TNC_TNCC_ReportMessageTypes;
}
else if (streq(function_name, "TNC_TNCC_ReportMessageTypesLong"))
{
*function_pointer = (void*)TNC_TNCC_ReportMessageTypesLong;
}
else if (streq(function_name, "TNC_TNCC_RequestHandshakeRetry"))
{
*function_pointer = (void*)TNC_TNCC_RequestHandshakeRetry;
}
else if (streq(function_name, "TNC_TNCC_SendMessage"))
{
*function_pointer = (void*)TNC_TNCC_SendMessage;
}
else if (streq(function_name, "TNC_TNCC_SendMessageLong"))
{
*function_pointer = (void*)TNC_TNCC_SendMessageLong;
}
else if (streq(function_name, "TNC_TNCC_GetAttribute"))
{
*function_pointer = (void*)TNC_TNCC_GetAttribute;
}
else if (streq(function_name, "TNC_TNCC_SetAttribute"))
{
*function_pointer = (void*)TNC_TNCC_SetAttribute;
}
else if (streq(function_name, "TNC_TNCC_ReserveAdditionalIMCID"))
{
*function_pointer = (void*)TNC_TNCC_ReserveAdditionalIMCID;
}
else
{
return TNC_RESULT_INVALID_PARAMETER;
}
return TNC_RESULT_SUCCESS;
}
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