eapol/eapol_framework/eapol_common/common/eapol_ethernet_header.cpp
changeset 0 c8830336c852
child 2 1c7bc153c08e
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     1 /*
       
     2 * Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  EAP and WLAN authentication protocols.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // This is enumeration of EAPOL source code.
       
    20 #if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
       
    21 	#undef EAP_FILE_NUMBER_ENUM
       
    22 	#define EAP_FILE_NUMBER_ENUM 32 
       
    23 	#undef EAP_FILE_NUMBER_DATE 
       
    24 	#define EAP_FILE_NUMBER_DATE 1127594498 
       
    25 #endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
       
    26 
       
    27 
       
    28 
       
    29 #include "eapol_ethernet_header.h"
       
    30 
       
    31 
       
    32 //--------------------------------------------------
       
    33 
       
    34 // 
       
    35 EAP_FUNC_EXPORT eapol_ethernet_header_base_c::~eapol_ethernet_header_base_c()
       
    36 {
       
    37 }
       
    38 
       
    39 // 
       
    40 EAP_FUNC_EXPORT eapol_ethernet_header_base_c::eapol_ethernet_header_base_c(
       
    41 	abs_eap_am_tools_c * const tools,
       
    42 	void * const header_buffer,
       
    43 	const u32_t header_buffer_length)
       
    44 	: eap_general_header_base_c(tools, header_buffer, header_buffer_length)
       
    45 	, m_am_tools(tools)
       
    46 {
       
    47 }
       
    48 
       
    49 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_base_c::get_destination() const
       
    50 {
       
    51 	return (get_header_offset(m_destination_offset, EAPOL_ETHERNET_ADDRESS_LENGTH));
       
    52 }
       
    53 
       
    54 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_base_c::get_source() const
       
    55 {
       
    56 	return (get_header_offset(m_source_offset, EAPOL_ETHERNET_ADDRESS_LENGTH));
       
    57 }
       
    58 
       
    59 EAP_FUNC_EXPORT u32_t eapol_ethernet_header_base_c::get_destination_length() const
       
    60 {
       
    61 	return EAPOL_ETHERNET_ADDRESS_LENGTH;
       
    62 }
       
    63 
       
    64 EAP_FUNC_EXPORT u32_t eapol_ethernet_header_base_c::get_source_length() const
       
    65 {
       
    66 	return EAPOL_ETHERNET_ADDRESS_LENGTH;
       
    67 }
       
    68 
       
    69 EAP_FUNC_EXPORT u16_t eapol_ethernet_header_base_c::get_type() const
       
    70 {
       
    71 	const u8_t * const type_data = get_header_offset(m_type_offset, sizeof(u16_t));
       
    72 	if (type_data != 0)
       
    73 	{
       
    74 		return eap_read_u16_t_network_order(type_data, sizeof(u16_t));
       
    75 	}
       
    76 	else
       
    77 	{
       
    78 		return 0;
       
    79 	}
       
    80 }
       
    81 
       
    82 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_base_c::get_data(const u32_t data_length) const
       
    83 {
       
    84 	return get_header_offset(m_data_offset, data_length);
       
    85 }
       
    86 
       
    87 EAP_FUNC_EXPORT u32_t eapol_ethernet_header_base_c::get_data_length() const
       
    88 {
       
    89 	return get_header_buffer_length()-get_header_length();
       
    90 }
       
    91 
       
    92 EAP_FUNC_EXPORT u16_t eapol_ethernet_header_base_c::get_header_length()
       
    93 {
       
    94 	return m_data_offset;
       
    95 }
       
    96 
       
    97 EAP_FUNC_EXPORT void eapol_ethernet_header_base_c::set_type(const eapol_ethernet_type_e type)
       
    98 {
       
    99 	u8_t * const type_data = get_header_offset(m_type_offset, sizeof(u16_t));
       
   100 	EAP_ASSERT(type_data != 0);
       
   101 	type_data[0] = static_cast<u8_t>((type & 0xff00) >> 8);
       
   102 	type_data[1] = static_cast<u8_t>(type & 0x00ff);
       
   103 }
       
   104 
       
   105 EAP_FUNC_EXPORT eap_status_e eapol_ethernet_header_base_c::check_header() const
       
   106 {
       
   107 	if (get_type() != eapol_ethernet_type_pae
       
   108 		&& get_type() != eapol_ethernet_type_preauthentication)
       
   109 	{
       
   110 		return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
       
   111 	}
       
   112 	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
       
   113 }
       
   114 
       
   115 //--------------------------------------------------
       
   116 //--------------------------------------------------
       
   117 //--------------------------------------------------
       
   118 
       
   119 // 
       
   120 EAP_FUNC_EXPORT eapol_ethernet_header_rd_c::~eapol_ethernet_header_rd_c()
       
   121 {
       
   122 }
       
   123 
       
   124 // 
       
   125 EAP_FUNC_EXPORT eapol_ethernet_header_rd_c::eapol_ethernet_header_rd_c(
       
   126 	abs_eap_am_tools_c * const tools,
       
   127 	const u8_t * const header_buffer,
       
   128 	const u32_t header_buffer_length)
       
   129 	: eapol_ethernet_header_base_c(tools, const_cast<u8_t *>(header_buffer), header_buffer_length)
       
   130 	, m_am_tools(tools)
       
   131 {
       
   132 }
       
   133 
       
   134 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_rd_c::get_eapol_header() const
       
   135 {
       
   136 	return eapol_ethernet_header_base_c::get_data(eapol_header_base_c::get_header_length());
       
   137 }
       
   138 
       
   139 //--------------------------------------------------
       
   140 //--------------------------------------------------
       
   141 //--------------------------------------------------
       
   142 
       
   143 // 
       
   144 EAP_FUNC_EXPORT eapol_ethernet_header_wr_c::~eapol_ethernet_header_wr_c()
       
   145 {
       
   146 }
       
   147 
       
   148 // 
       
   149 EAP_FUNC_EXPORT eapol_ethernet_header_wr_c::eapol_ethernet_header_wr_c(
       
   150 	abs_eap_am_tools_c * const tools,
       
   151 	const u8_t * const header_buffer,
       
   152 	const u32_t header_buffer_length)
       
   153 	: eapol_ethernet_header_base_c(tools, const_cast<u8_t *>(header_buffer), header_buffer_length)
       
   154 	, m_am_tools(tools)
       
   155 {
       
   156 }
       
   157 
       
   158 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_wr_c::get_eapol_header() const
       
   159 {
       
   160 	return eapol_ethernet_header_base_c::get_data(eapol_header_base_c::get_header_length());
       
   161 }
       
   162 
       
   163 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_wr_c::get_destination()
       
   164 {
       
   165 	return eapol_ethernet_header_base_c::get_destination();
       
   166 }
       
   167 
       
   168 EAP_FUNC_EXPORT u8_t * eapol_ethernet_header_wr_c::get_source()
       
   169 {
       
   170 	return eapol_ethernet_header_base_c::get_source();
       
   171 }
       
   172 
       
   173 EAP_FUNC_EXPORT void eapol_ethernet_header_wr_c::reset_header(const eapol_ethernet_type_e type, const u16_t buffer_length)
       
   174 {
       
   175 	EAP_UNREFERENCED_PARAMETER(buffer_length); // <-- in release version
       
   176 	m_am_tools->memset(get_destination(), 0, EAPOL_ETHERNET_ADDRESS_LENGTH);
       
   177 	m_am_tools->memset(get_source(), 0, EAPOL_ETHERNET_ADDRESS_LENGTH);
       
   178 	
       
   179 	set_type(type);
       
   180 	
       
   181 	EAP_ASSERT(buffer_length >= get_header_length()+eapol_header_wr_c::get_header_length());
       
   182 }
       
   183 
       
   184 //--------------------------------------------------
       
   185 
       
   186 
       
   187 
       
   188 // End.