author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:47:43 +0200 | |
changeset 0 | c8830336c852 |
child 2 | 1c7bc153c08e |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: EAP and WLAN authentication protocols. |
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* |
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*/ |
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|
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|
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// This is enumeration of EAPOL source code. |
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#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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#undef EAP_FILE_NUMBER_ENUM |
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#define EAP_FILE_NUMBER_ENUM 39 |
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#undef EAP_FILE_NUMBER_DATE |
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#define EAP_FILE_NUMBER_DATE 1127594498 |
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#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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#include "eap_am_memory.h" |
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#include "eap_tlv_header.h" |
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/** @file */ |
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//-------------------------------------------------- |
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EAP_FUNC_EXPORT eap_tlv_header_c::~eap_tlv_header_c() |
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{ |
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} |
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//-------------------------------------------------- |
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|
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EAP_FUNC_EXPORT eap_tlv_header_c::eap_tlv_header_c( |
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abs_eap_am_tools_c * const tools, |
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void * const header_begin, |
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const u32_t header_buffer_length) |
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: eap_general_header_base_c(tools, header_begin, header_buffer_length) |
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, m_am_tools(tools) |
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{ |
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} |
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//-------------------------------------------------- |
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EAP_FUNC_EXPORT eap_tlv_type_t eap_tlv_header_c::get_type() const |
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{ |
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const u8_t * const tlv_type_data = get_header_offset(m_type_offset, sizeof(u32_t)); |
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if (tlv_type_data != 0) |
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{ |
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return static_cast<eap_tlv_type_t>(eap_read_u32_t_network_order(tlv_type_data, sizeof(u32_t))); |
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} |
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else |
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{ |
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return eap_tlv_type_none; |
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} |
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} |
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//-------------------------------------------------- |
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EAP_FUNC_EXPORT u32_t eap_tlv_header_c::get_value_length() const |
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{ |
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const u8_t * const tlv_length_data = get_header_offset(m_length_offset, sizeof(u32_t)); |
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if (tlv_length_data != 0) |
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{ |
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return eap_read_u32_t_network_order(tlv_length_data, sizeof(u32_t)); |
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} |
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else |
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{ |
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return 0ul; |
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} |
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} |
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//-------------------------------------------------- |
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EAP_FUNC_EXPORT u32_t eap_tlv_header_c::get_header_length() |
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{ |
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return m_data_offset; |
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} |
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//-------------------------------------------------- |
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EAP_FUNC_EXPORT u8_t * eap_tlv_header_c::get_value_offset(const u32_t offset, const u32_t contignuous_bytes) const |
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{ |
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EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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u32_t data_length = get_value_length(); |
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if (data_length >= offset+contignuous_bytes) |
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{ |
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u8_t * const data = get_header_offset(m_data_offset, offset+contignuous_bytes); |
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if (data != 0) |
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{ |
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return &data[offset]; |
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} |
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else |
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{ |
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return 0; |
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106 |
} |
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} |
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108 |
else |
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109 |
{ |
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EAP_ASSERT_ALWAYS(data_length >= offset+contignuous_bytes); |
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} |
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return 0; |
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} |
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114 |
|
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115 |
|
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//-------------------------------------------------- |
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117 |
|
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EAP_FUNC_EXPORT u8_t * eap_tlv_header_c::get_value(const u32_t contignuous_bytes) const |
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119 |
{ |
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return get_value_offset(0u, contignuous_bytes); |
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} |
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122 |
|
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123 |
|
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//-------------------------------------------------- |
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125 |
|
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EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::check_header() const |
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127 |
{ |
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if ((get_header_length() + get_value_length()) > get_header_buffer_length()) |
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129 |
{ |
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EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted); |
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} |
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133 |
|
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return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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} |
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136 |
|
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//-------------------------------------------------- |
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138 |
|
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EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::set_type(const eap_tlv_type_t type) |
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140 |
{ |
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if (type == eap_tlv_type_none) |
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142 |
{ |
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EAP_ASSERT(type != eap_tlv_type_none); |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_wrong_type); |
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} |
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146 |
|
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u8_t * const type_data = get_header_offset(m_type_offset, sizeof(u32_t)); |
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148 |
|
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if (type_data == 0) |
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150 |
{ |
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EAP_ASSERT(type_data != 0); |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted); |
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} |
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154 |
|
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eap_write_u32_t_network_order(type_data, sizeof(u32_t), type); |
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|
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return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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} |
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159 |
|
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//-------------------------------------------------- |
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161 |
|
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EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::set_value_length(const u32_t value_length) |
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163 |
{ |
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if (get_header_length() + value_length > get_header_buffer_length()) |
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165 |
{ |
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EAP_ASSERT(get_header_length() + value_length <= get_header_buffer_length()); |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_too_long_message); |
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} |
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169 |
|
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u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u32_t)); |
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171 |
|
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if (length_data == 0) |
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173 |
{ |
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EAP_ASSERT(length_data != 0); |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted); |
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176 |
} |
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177 |
|
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eap_write_u32_t_network_order(length_data, sizeof(u32_t), value_length); |
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179 |
|
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return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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} |
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182 |
|
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//-------------------------------------------------- |
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184 |
|
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EAP_FUNC_EXPORT eap_status_e eap_tlv_header_c::reset_header( |
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const eap_tlv_type_t type, |
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const u32_t value_length) |
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{ |
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eap_status_e status = set_type(type); |
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if (status != eap_status_ok) |
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191 |
{ |
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return EAP_STATUS_RETURN(m_am_tools, status); |
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} |
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194 |
|
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status = set_value_length(value_length); |
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if (status != eap_status_ok) |
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197 |
{ |
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return EAP_STATUS_RETURN(m_am_tools, status); |
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} |
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200 |
|
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return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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} |
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203 |
|
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//-------------------------------------------------- |
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205 |
|
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|
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207 |
|
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208 |
// End. |