--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/core/eapol_rc4_key_header.cpp Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,369 @@
+/*
+* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: EAP and WLAN authentication protocols.
+*
+*/
+
+
+// This is enumeration of EAPOL source code.
+#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+ #undef EAP_FILE_NUMBER_ENUM
+ #define EAP_FILE_NUMBER_ENUM 52
+ #undef EAP_FILE_NUMBER_DATE
+ #define EAP_FILE_NUMBER_DATE 1127594498
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+
+#include "eapol_rc4_key_header.h"
+
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_RC4_key_header_c::~eapol_RC4_key_header_c()
+{
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_RC4_key_header_c::eapol_RC4_key_header_c(
+ abs_eap_am_tools_c * const tools,
+ void * const header_begin,
+ const u32_t header_buffer_length)
+ : eap_general_header_base_c(tools, header_begin, header_buffer_length)
+ , m_am_tools(tools)
+{
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_protocol_version_e eapol_RC4_key_header_c::get_eapol_protocol_version() const
+{
+ const u8_t * const data = get_header_offset(m_offset_eapol_version, sizeof(u8_t));
+ if (data != 0)
+ {
+ return static_cast<eapol_protocol_version_e>(*data);
+ }
+ else
+ {
+ return eapol_protocol_version_none;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_packet_type_e eapol_RC4_key_header_c::get_eapol_packet_type() const
+{
+ const u8_t * const data = get_header_offset(m_offset_eapol_type, sizeof(u8_t));
+ if (data != 0)
+ {
+ return static_cast<eapol_packet_type_e>(*data);
+ }
+ else
+ {
+ return eapol_packet_type_no_type;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u16_t eapol_RC4_key_header_c::get_eapol_packet_body_length() const
+{
+ const u8_t * const data = get_header_offset(m_offset_eapol_packet_body_length, sizeof(u16_t));
+ if (data != 0)
+ {
+ return eap_read_u16_t_network_order(data, sizeof(u16_t));
+ }
+ else
+ {
+ return 0ul;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_key_descriptor_type_e eapol_RC4_key_header_c::get_key_descriptor_type() const
+{
+ const u8_t * const data = get_header_offset(m_offset_key_descriptor_type, sizeof(u8_t));
+ if (data != 0)
+ {
+ return static_cast<eapol_key_descriptor_type_e>(*data);
+ }
+ else
+ {
+ return eapol_key_descriptor_type_none;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u16_t eapol_RC4_key_header_c::get_key_length() const
+{
+ const u8_t * const data = get_header_offset(m_offset_key_length, sizeof(u16_t));
+ if (data != 0)
+ {
+ return eap_read_u16_t_network_order(data, sizeof(u16_t));
+ }
+ else
+ {
+ return 0ul;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u8_t *eapol_RC4_key_header_c::get_replay_counter()
+{
+ u8_t * const data = get_header_offset(m_offset_replay_counter, EAPOL_RC4_KEY_REPLAY_COUNTER_LENGTH);
+ return data;
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u8_t *eapol_RC4_key_header_c::get_key_IV()
+{
+ u8_t * const data = get_header_offset(m_offset_key_IV, EAPOL_RC4_KEY_IV_LENGTH);
+ return data;
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eapol_RC4_key_flags_e eapol_RC4_key_header_c::get_key_flag() const
+{
+ const u8_t * const data = get_header_offset(m_offset_key_index, sizeof(u8_t));
+ if (data != 0)
+ {
+ return static_cast<eapol_RC4_key_flags_e>((((*data) & m_flag_mask_key_flag) >> m_flag_shift_key_flag));
+ }
+ else
+ {
+ return eapol_RC4_key_flag_none;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u8_t eapol_RC4_key_header_c::get_key_index() const
+{
+ const u8_t * const data = get_header_offset(m_offset_key_index, sizeof(u8_t));
+ if (data != 0)
+ {
+ return static_cast<u8_t>(((*data) & ~m_flag_mask_key_flag));
+ }
+ else
+ {
+ // This is illegal index.
+ return 0xff;
+ }
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u8_t *eapol_RC4_key_header_c::get_key_signature() const
+{
+ u8_t * const data = get_header_offset(m_offset_key_signature, EAPOL_RC4_KEY_SIGNATURE_LENGTH);
+ return data;
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u16_t eapol_RC4_key_header_c::get_header_length()
+{
+ return m_offset_data;
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT u8_t * eapol_RC4_key_header_c::get_key() const
+{
+ if (get_eapol_packet_body_length() > SIZE_OF_EMPTY_EAPOL_RC4_KEY_BODY)
+ {
+ u8_t * const data = get_header_offset(
+ m_offset_data,
+ get_header_buffer_length() - SIZE_OF_EMPTY_EAPOL_RC4_KEY_FRAME);
+ return data; // Data begins after the header.
+ }
+ return 0;
+}
+
+//------------------------------------------------------
+//------------------------------------------------------
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_eapol_protocol_version(eapol_protocol_version_e version)
+{
+ u8_t * const data = get_header_offset(m_offset_eapol_version, sizeof(u8_t));
+ if (data != 0)
+ {
+ *data = static_cast<u8_t>(version);
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_eapol_packet_type(eapol_packet_type_e type)
+{
+ u8_t * const data = get_header_offset(m_offset_eapol_type, sizeof(u8_t));
+ if (data != 0)
+ {
+ *data = static_cast<u8_t>(type);
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_eapol_packet_body_length(u16_t eapol_length)
+{
+ if (eapol_length - eapol_header_base_c::get_header_length() > eapol_RC4_key_header_c::EAPOL_RC4_EAPOL_KEY_MAXIMUM_SIZE)
+ {
+ EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_too_long_message);
+ }
+
+ u8_t * const data = get_header_offset(m_offset_eapol_packet_body_length, sizeof(u16_t));
+ if (data != 0)
+ {
+ const u16_t eapol_length_u16_t = static_cast<u16_t>(eapol_length);
+ return eap_write_u16_t_network_order(data, sizeof(u16_t), eapol_length_u16_t);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_key_descriptor_type(eapol_key_descriptor_type_e eapol_key_descriptor_type)
+{
+ u8_t * const data = get_header_offset(m_offset_key_descriptor_type, sizeof(u8_t));
+ if (data != 0)
+ {
+ *data = static_cast<u8_t>(eapol_key_descriptor_type);
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_key_length(u16_t length)
+{
+ u8_t * const data = get_header_offset(m_offset_key_length, sizeof(u16_t));
+ if (data != 0)
+ {
+ return eap_write_u16_t_network_order(data, sizeof(u16_t), length);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_key_flag(eapol_RC4_key_flags_e flags)
+{
+ u8_t * const data = get_header_offset(m_offset_key_index, sizeof(u8_t));
+ if (data != 0)
+ {
+ *data = ((*data) & ~m_flag_mask_key_flag) | static_cast<u8_t>((((flags << m_flag_shift_key_flag) & m_flag_mask_key_flag)));
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+//------------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::set_key_index(u8_t index)
+{
+ u8_t * const data = get_header_offset(m_offset_key_index, sizeof(u8_t));
+ if (data != 0)
+ {
+ *data = ((*data) & m_flag_mask_key_flag) | static_cast<u8_t>((index & ~m_flag_mask_key_flag));
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+ }
+ else
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+ }
+}
+
+
+//------------------------------------------------------
+//------------------------------------------------------
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT void eapol_RC4_key_header_c::zero_key_signature(
+ abs_eap_am_tools_c * const m_am_tools
+ )
+{
+ u8_t * const signature = get_key_signature();
+ m_am_tools->memset(signature, 0, EAPOL_RC4_KEY_SIGNATURE_LENGTH);
+}
+
+//------------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eapol_RC4_key_header_c::check_header() const
+{
+ if (get_eapol_protocol_version() == eapol_protocol_version_none)
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_wrong_eapol_version);
+ }
+ else if (get_eapol_packet_type() > eapol_packet_type_enc_asf_alert)
+ {
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_wrong_eapol_type);
+ }
+ return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//------------------------------------------------------
+//------------------------------------------------------
+//------------------------------------------------------
+
+
+
+// End.