diff -r 000000000000 -r c8830336c852 eapol/eapol_framework/eapol_common/common/eapol_header.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eapol/eapol_framework/eapol_common/common/eapol_header.cpp Thu Dec 17 08:47:43 2009 +0200 @@ -0,0 +1,244 @@ +/* +* 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 33 + #undef EAP_FILE_NUMBER_DATE + #define EAP_FILE_NUMBER_DATE 1127594498 +#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) + + + +#include "eapol_header.h" + + +//-------------------------------------------------- + +// +EAP_FUNC_EXPORT eapol_header_base_c::~eapol_header_base_c() +{ +} + +// +EAP_FUNC_EXPORT eapol_header_base_c::eapol_header_base_c( + abs_eap_am_tools_c * const tools, + void * const header_buffer, + const u32_t header_buffer_length) + : eap_general_header_base_c(tools, header_buffer, header_buffer_length) + , m_am_tools(tools) +{ +} + +EAP_FUNC_EXPORT eapol_protocol_version_e eapol_header_base_c::get_version() const +{ + const u8_t * const version_data = get_header_offset(m_version_offset, sizeof(u8_t)); + if (version_data != 0) + { + return static_cast(*version_data); + } + else + { + return eapol_protocol_version_none; + } +} + +EAP_FUNC_EXPORT eapol_packet_type_e eapol_header_base_c::get_packet_type() const +{ + const u8_t * const type_data = get_header_offset(m_packet_type_offset, sizeof(u8_t)); + if (type_data != 0) + { + return static_cast(*type_data); + } + else + { + return eapol_packet_type_no_type; + } +} + +EAP_FUNC_EXPORT u16_t eapol_header_base_c::get_data_length() const +{ + const u8_t * const length_data = get_header_offset(m_data_length_offset, sizeof(u16_t)); + if (length_data != 0) + { + return eap_read_u16_t_network_order(length_data, sizeof(u16_t)); + } + else + { + return 0ul; + } +} + +EAP_FUNC_EXPORT u32_t eapol_header_base_c::get_header_length() +{ + return m_data_offset; +} + +EAP_FUNC_EXPORT u8_t * eapol_header_base_c::get_data(const u32_t data_length) const +{ + return get_header_offset(m_data_offset, data_length); // Data begins after the header. +} + +EAP_FUNC_EXPORT void eapol_header_base_c::set_version(const eapol_protocol_version_e p_version) +{ + u8_t * const version_data = get_header_offset(m_version_offset, sizeof(u8_t)); + EAP_ASSERT(version_data != 0); + *version_data = static_cast(p_version); +} + +EAP_FUNC_EXPORT void eapol_header_base_c::set_packet_type(const eapol_packet_type_e p_packet_type) +{ + u8_t * const type_data = get_header_offset(m_packet_type_offset, sizeof(u8_t)); + EAP_ASSERT(type_data != 0); + *type_data = static_cast(p_packet_type); +} + +EAP_FUNC_EXPORT void eapol_header_base_c::set_data_length(const u16_t p_data_length) +{ + u8_t * const data_length = get_header_offset(m_data_length_offset, sizeof(u16_t)); + EAP_ASSERT(data_length != 0); + data_length[0] = static_cast((p_data_length & 0xff00) >> 8); + data_length[1] = static_cast(p_data_length & 0x00ff); +} + +EAP_FUNC_EXPORT eap_const_string eapol_header_base_c::get_type_string() const +{ + +#if defined(USE_EAP_TRACE_STRINGS) + eapol_packet_type_e type = get_packet_type(); + + EAP_IF_RETURN_STRING(type, eapol_packet_type_eap) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_start) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_logoff) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_key) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_enc_asf_alert) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_SAE_KE) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_SAE_EAP) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_SAE_START) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_SAE_LOGOFF) + else EAP_IF_RETURN_STRING(type, eapol_packet_type_no_type) + else +#endif // #if defined(USE_EAP_TRACE_STRINGS) + { + return EAPL("Unknown EAPOL-type"); + } +} + +EAP_FUNC_EXPORT eap_status_e eapol_header_base_c::check_header() const +{ + eap_status_e status = eap_status_process_general_error; + + if (get_version() == eapol_protocol_version_none) + { + status = eap_status_wrong_eapol_version; + + EAP_TRACE_DEBUG( + m_am_tools, + TRACE_FLAGS_DEFAULT, + (EAPL("ERROR: eapol_header_base_c::check_header(), illegal version field 0x%02x, at least 0x%02x was expected, eap_status_e %d\n"), + get_version(), + eapol_protocol_version_none+1, + status)); + } + else if (/* get_packet_type() < eapol_packet_type_eap // This is always false. + || */ + eapol_packet_type_SAE_LOGOFF < get_packet_type()) + { + status = eap_status_wrong_eapol_type; + + EAP_TRACE_DEBUG( + m_am_tools, + TRACE_FLAGS_DEFAULT, + (EAPL("ERROR: eapol_header_base_c::check_header(), illegal type field 0x%02x, eap_status_e %d\n"), + get_packet_type(), status)); + } + else + { + status = eap_status_ok; + } + return EAP_STATUS_RETURN(m_am_tools, status); +} + +//-------------------------------------------------- +//-------------------------------------------------- +//-------------------------------------------------- + +// +EAP_FUNC_EXPORT eapol_header_rd_c::~eapol_header_rd_c() +{ +} + +// +EAP_FUNC_EXPORT eapol_header_rd_c::eapol_header_rd_c( + abs_eap_am_tools_c * const tools, + u8_t * const header_buffer, + const u32_t header_buffer_length) + : eapol_header_base_c(tools, header_buffer, header_buffer_length) + , m_am_tools(tools) +{ +} + +EAP_FUNC_EXPORT u8_t * eapol_header_rd_c::get_eap_header() const +{ + return get_data(eap_header_base_c::get_header_length()); +} + +//-------------------------------------------------- +//-------------------------------------------------- +//-------------------------------------------------- + +// +EAP_FUNC_EXPORT eapol_header_wr_c::~eapol_header_wr_c() +{ +} + +//-------------------------------------------------- + +// +EAP_FUNC_EXPORT eapol_header_wr_c::eapol_header_wr_c( + abs_eap_am_tools_c * const tools, + u8_t * const header_buffer, + const u32_t header_buffer_length) + : eapol_header_base_c(tools, header_buffer, header_buffer_length) + , m_am_tools(tools) +{ +} + +//-------------------------------------------------- + +EAP_FUNC_EXPORT u8_t * eapol_header_wr_c::get_eap_header() +{ + return get_data(eap_header_base_c::get_header_length()); +} + +//-------------------------------------------------- + +EAP_FUNC_EXPORT void eapol_header_wr_c::reset_header(u16_t buffer_length) +{ + set_version(eapol_protocol_version_none); + set_packet_type(eapol_packet_type_eap); + EAP_ASSERT(buffer_length >= get_header_length()); + set_data_length(static_cast(buffer_length-get_header_length())); +} + +//-------------------------------------------------- + + + +// End.