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1 /* |
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2 * Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: EAP and WLAN authentication protocols. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // This is enumeration of EAPOL source code. |
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20 #if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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21 #undef EAP_FILE_NUMBER_ENUM |
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22 #define EAP_FILE_NUMBER_ENUM 21 |
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23 #undef EAP_FILE_NUMBER_DATE |
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24 #define EAP_FILE_NUMBER_DATE 1127594498 |
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25 #endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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26 |
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27 |
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28 |
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29 #include "eap_am_memory.h" |
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30 #include "eap_buffer.h" |
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31 #include "eap_am_assert.h" |
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32 #include "eap_am_tools.h" |
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33 #include "eapol_ethernet_header.h" |
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34 |
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35 static const bool EAP_BUFFER_DO_PACKET_RETRANSMISSION_INIT_VALUE = true; |
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36 |
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37 //----------------------------------------------------------------------------- |
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38 |
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39 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::check_guard_bytes(const u8_t * const guard) const |
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40 { |
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41 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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42 |
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43 if (m_data == 0) |
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44 { |
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45 return false; |
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46 } |
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47 |
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48 u32_t ind = 0; |
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49 for (ind = 0; ind < m_data->m_mem_guard_length; ind++) |
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50 { |
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51 if (guard[ind] != EAP_MEM_GUARD_BYTE) |
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52 { |
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53 EAP_TRACE_ERROR( |
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54 m_am_tools, |
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55 TRACE_FLAGS_DEFAULT, |
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56 (EAPL("ERROR: check_guard_bytes(): buffer overflow in byte %d."), |
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57 ind)); |
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58 EAP_ASSERT_ANYWAY_TOOLS(m_am_tools); |
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59 return false; |
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60 } |
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61 } |
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62 return true; |
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63 } |
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64 |
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65 //----------------------------------------------------------------------------- |
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66 |
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67 EAP_FUNC_EXPORT abs_eap_am_tools_c * eap_buf_chain_base_c::get_am_tools() |
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68 { |
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69 return m_am_tools; |
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70 } |
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71 |
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72 //----------------------------------------------------------------------------- |
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73 |
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74 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::check_guards() const |
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75 { |
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76 |
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77 #if defined(_DEBUG) |
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78 if (m_data == 0 |
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79 || m_data->m_buffer == 0) |
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80 { |
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81 return false; |
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82 } |
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83 |
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84 if (m_data->m_buffer->get_is_writable() == true) |
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85 { |
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86 const u8_t * const buffer = m_data->m_buffer->get_data( |
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87 m_data->m_buffer->get_data_length()); |
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88 |
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89 if (buffer == 0) |
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90 { |
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91 return true; |
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92 } |
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93 |
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94 if (check_guard_bytes(buffer) == false |
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95 || check_guard_bytes( |
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96 buffer+(m_data->m_buffer->get_buffer_length() |
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97 - m_data->m_mem_guard_length)) == false |
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98 /* || check_guard_bytes(buffer+(m_data->m_real_data_length |
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99 - m_data->m_mem_guard_length)) == false */) |
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100 { |
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101 EAP_TRACE_ERROR( |
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102 m_am_tools, |
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103 TRACE_FLAGS_DEFAULT, |
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104 (EAPL("ERROR: check_guard_bytes(): buffer overflow, buffer 0x%08x."), |
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105 buffer - m_data->m_mem_guard_length)); |
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106 EAP_ASSERT_ANYWAY_TOOLS(m_am_tools); |
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107 return false; |
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108 } |
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109 } |
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110 #endif //#if defined(_DEBUG) |
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111 |
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112 return true; |
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113 } |
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114 |
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115 //----------------------------------------------------------------------------- |
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116 |
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117 EAP_FUNC_EXPORT eap_buf_chain_base_c::~eap_buf_chain_base_c() |
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118 { |
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119 if (m_data != 0) |
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120 { |
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121 check_guards(); |
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122 |
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123 delete m_data->m_buffer; |
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124 m_data->m_buffer = 0; |
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125 } |
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126 |
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127 delete m_data; |
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128 m_data = 0; |
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129 } |
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130 |
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131 //----------------------------------------------------------------------------- |
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132 |
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133 EAP_FUNC_EXPORT eap_buf_chain_base_c::eap_buf_chain_base_c( |
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134 const eap_write_buffer_e, |
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135 abs_eap_am_tools_c * const tools, |
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136 u8_t * const data, |
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137 const u32_t data_length, |
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138 const bool reset_data, |
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139 const bool free_buffer, |
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140 const u32_t mem_guard_length) |
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141 : m_am_tools(tools) |
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142 , m_data(0) |
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143 { |
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144 eap_status_e status = initialize(mem_guard_length); |
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145 if (status != eap_status_ok) |
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146 { |
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147 if (free_buffer == true) |
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148 { |
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149 delete [] data; |
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150 } |
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151 return; |
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152 } |
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153 |
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154 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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155 |
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156 if (m_data == 0 |
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157 || m_data->m_buffer == 0) |
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158 { |
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159 if (free_buffer == true) |
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160 { |
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161 delete [] data; |
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162 } |
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163 return; |
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164 } |
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165 |
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166 status = m_data->m_buffer->set_buffer( |
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167 data, |
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168 data_length, |
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169 free_buffer, |
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170 true); |
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171 if (status != eap_status_ok) |
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172 { |
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173 if (free_buffer == true) |
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174 { |
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175 delete [] data; |
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176 } |
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177 m_data->m_is_valid = false; |
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178 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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179 return; |
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180 } |
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181 |
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182 EAP_ASSERT_TOOLS(m_am_tools, data_length >= m_data->m_mem_guard_length); |
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183 m_data->m_buffer->set_data_length(data_length - m_data->m_mem_guard_length); |
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184 |
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185 set_mem_guard_bytes(); |
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186 |
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187 if (reset_data == true) |
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188 { |
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189 reset_data_buffer(); |
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190 } |
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191 } |
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192 |
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193 //----------------------------------------------------------------------------- |
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194 |
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195 EAP_FUNC_EXPORT eap_buf_chain_base_c::eap_buf_chain_base_c( |
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196 const eap_read_buffer_e, |
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197 abs_eap_am_tools_c * const tools, |
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198 const u8_t * const data, |
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199 const u32_t data_length, |
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200 const bool free_buffer) |
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201 : m_am_tools(tools) |
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202 , m_data(0) |
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203 { |
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204 eap_status_e status = initialize(0ul); |
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205 if (status != eap_status_ok) |
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206 { |
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207 return; |
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208 } |
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209 |
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210 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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211 |
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212 if (m_data == 0 |
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213 || m_data->m_buffer == 0) |
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214 { |
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215 return; |
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216 } |
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217 |
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218 status = m_data->m_buffer->set_buffer( |
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219 data, |
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220 data_length, |
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221 free_buffer, |
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222 false); |
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223 if (status != eap_status_ok) |
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224 { |
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225 m_data->m_is_valid = false; |
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226 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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227 return; |
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228 } |
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229 } |
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230 |
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231 //----------------------------------------------------------------------------- |
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232 |
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233 EAP_FUNC_EXPORT eap_buf_chain_base_c::eap_buf_chain_base_c( |
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234 const eap_write_buffer_e, |
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235 abs_eap_am_tools_c * const tools, |
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236 const u32_t data_length) |
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237 : m_am_tools(tools) |
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238 , m_data(0) |
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239 { |
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240 eap_status_e status = initialize(EAP_MEM_GUARD_LENGTH); |
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241 if (status != eap_status_ok) |
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242 { |
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243 return; |
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244 } |
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245 |
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246 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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247 |
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248 if (m_data == 0 |
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249 || m_data->m_buffer == 0) |
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250 { |
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251 return; |
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252 } |
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253 |
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254 status = m_data->m_buffer->init(data_length+2*m_data->m_mem_guard_length); |
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255 if (status == eap_status_ok) |
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256 { |
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257 m_data->m_buffer->set_is_valid(); |
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258 m_data->m_buffer->set_data_length(m_data->m_mem_guard_length); |
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259 set_mem_guard_bytes(); |
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260 } |
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261 else |
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262 { |
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263 m_data->m_is_valid = false; |
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264 } |
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265 } |
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266 |
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267 //----------------------------------------------------------------------------- |
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268 |
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269 EAP_FUNC_EXPORT eap_buf_chain_base_c::eap_buf_chain_base_c( |
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270 const eap_read_buffer_e, |
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271 abs_eap_am_tools_c * const tools, |
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272 const u32_t data_length) |
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273 : m_am_tools(tools) |
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274 , m_data(0) |
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275 { |
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276 eap_status_e status = initialize(EAP_MEM_GUARD_LENGTH); |
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277 if (status != eap_status_ok) |
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278 { |
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279 return; |
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280 } |
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281 |
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282 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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283 |
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284 if (m_data == 0 |
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285 || m_data->m_buffer == 0) |
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286 { |
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287 return; |
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288 } |
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289 |
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290 if (data_length > 0ul) |
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291 { |
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292 status = m_data->m_buffer->init(data_length+2*m_data->m_mem_guard_length); |
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293 if (status == eap_status_ok) |
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294 { |
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295 m_data->m_buffer->set_is_valid(); |
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296 m_data->m_buffer->set_data_length(m_data->m_mem_guard_length); |
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297 set_mem_guard_bytes(); |
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298 } |
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299 else |
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300 { |
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301 m_data->m_is_valid = false; |
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302 } |
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303 } |
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304 } |
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305 |
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306 //----------------------------------------------------------------------------- |
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307 |
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308 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::initialize( |
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309 const u32_t mem_guard_length) |
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310 { |
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311 m_data = new eap_buf_chain_base_impl_str; |
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312 if (m_data == 0) |
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313 { |
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314 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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315 } |
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316 |
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317 m_data->m_mem_guard_length = mem_guard_length; |
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318 m_data->m_buffer = 0; |
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319 m_data->m_next_buffer = 0; |
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320 m_data->m_random_error_type = eap_random_error_type_none_keep_this_last_case; |
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321 m_data->m_send_packet_index = 0ul; |
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322 m_data->m_stack_address = 0; |
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323 m_data->m_is_valid = false; |
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324 m_data->m_is_manipulated = false; |
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325 m_data->m_do_packet_retransmission = EAP_BUFFER_DO_PACKET_RETRANSMISSION_INIT_VALUE; |
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326 m_data->m_is_client = true; |
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327 m_data->m_do_length_checks = false; |
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328 m_data->m_encrypt = false; |
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329 |
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330 m_data->m_buffer = new eap_variable_data_c(m_am_tools); |
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331 if (m_data->m_buffer == 0 |
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332 || m_data->m_buffer->get_is_valid() == false) |
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333 { |
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334 delete m_data; |
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335 m_data = 0; |
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336 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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337 } |
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338 |
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339 m_data->m_is_valid = true; |
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340 |
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341 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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342 } |
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343 |
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344 //----------------------------------------------------------------------------- |
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345 |
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346 EAP_FUNC_EXPORT void eap_buf_chain_base_c::reset_data_buffer() |
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347 { |
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348 if (m_data == 0 |
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349 || m_data->m_buffer == 0) |
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350 { |
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351 return; |
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352 } |
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353 |
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354 m_am_tools->memset( |
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355 get_data(get_data_length()), |
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356 0, |
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357 get_data_length()); |
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358 } |
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359 |
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360 //----------------------------------------------------------------------------- |
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361 |
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362 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_mem_guard_bytes() |
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363 { |
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364 EAP_ASSERT_TOOLS( |
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365 m_am_tools, |
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366 m_data != 0); |
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367 EAP_ASSERT_TOOLS( |
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368 m_am_tools, |
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369 m_data->m_buffer->get_buffer_length() |
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370 >= m_data->m_mem_guard_length); |
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371 EAP_ASSERT_TOOLS( |
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372 m_am_tools, |
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373 m_data->m_buffer->get_data_length() |
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374 >= m_data->m_mem_guard_length); |
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375 |
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376 if (m_data == 0 |
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377 || m_data->m_buffer == 0) |
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378 { |
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379 return; |
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380 } |
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381 |
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382 u8_t * const buffer = m_data->m_buffer->get_data(m_data->m_buffer->get_data_length()); |
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383 |
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384 m_am_tools->memset( |
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385 buffer, |
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386 EAP_MEM_GUARD_BYTE, |
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387 m_data->m_mem_guard_length); |
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388 |
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389 m_am_tools->memset( |
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390 buffer+(m_data->m_buffer->get_buffer_length() - m_data->m_mem_guard_length), |
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391 EAP_MEM_GUARD_BYTE, |
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392 m_data->m_mem_guard_length); |
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393 |
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394 m_am_tools->memset( |
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395 buffer+(m_data->m_buffer->get_data_length()), |
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396 EAP_MEM_GUARD_BYTE, |
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397 m_data->m_mem_guard_length); |
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398 } |
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399 |
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400 //----------------------------------------------------------------------------- |
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401 |
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402 EAP_FUNC_EXPORT u32_t eap_buf_chain_base_c::get_mem_guard_length() |
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403 { |
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404 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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405 |
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406 if (m_data == 0) |
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407 { |
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408 return 0; |
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409 } |
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410 |
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411 return m_data->m_mem_guard_length; |
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412 } |
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413 |
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414 //----------------------------------------------------------------------------- |
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415 |
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416 EAP_FUNC_EXPORT u32_t eap_buf_chain_base_c::get_buffer_length() const |
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417 { |
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418 EAP_ASSERT_TOOLS( |
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419 m_am_tools, |
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420 m_data != 0); |
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421 EAP_ASSERT_TOOLS( |
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422 m_am_tools, |
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423 m_data->m_buffer->get_buffer_length() |
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424 >= 2ul*m_data->m_mem_guard_length); |
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425 |
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426 if (m_data == 0 |
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427 || m_data->m_buffer == 0) |
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428 { |
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429 return 0; |
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430 } |
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431 |
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432 return m_data->m_buffer->get_buffer_length() - 2ul*m_data->m_mem_guard_length; |
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433 } |
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434 |
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435 //----------------------------------------------------------------------------- |
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436 |
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437 EAP_FUNC_EXPORT u32_t eap_buf_chain_base_c::get_data_length() const |
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438 { |
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439 EAP_ASSERT_TOOLS( |
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440 m_am_tools, |
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441 m_data != 0); |
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442 EAP_ASSERT_TOOLS( |
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443 m_am_tools, |
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444 m_data->m_buffer->get_data_length() |
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445 >= m_data->m_mem_guard_length); |
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446 |
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447 if (m_data == 0 |
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448 || m_data->m_buffer == 0) |
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449 { |
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450 return 0; |
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451 } |
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452 |
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453 return m_data->m_buffer->get_data_length() - m_data->m_mem_guard_length; |
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454 } |
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455 |
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456 //----------------------------------------------------------------------------- |
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457 |
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458 EAP_FUNC_EXPORT u8_t * eap_buf_chain_base_c::get_data_offset( |
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459 const u32_t p_offset, |
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460 const u32_t p_continuous_bytes) const |
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461 { |
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462 EAP_ASSERT_TOOLS( |
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463 m_am_tools, |
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464 m_data != 0); |
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465 EAP_ASSERT_TOOLS( |
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466 m_am_tools, |
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467 m_data->m_buffer->get_data_length() >= m_data->m_mem_guard_length); |
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468 |
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469 if (m_data == 0 |
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470 || m_data->m_buffer == 0) |
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471 { |
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472 return 0; |
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473 } |
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474 |
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475 if (p_offset+p_continuous_bytes <= get_buffer_length()) |
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476 { |
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477 return m_data->m_buffer->get_buffer_offset( |
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478 p_offset + m_data->m_mem_guard_length, |
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479 p_continuous_bytes); |
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480 } |
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481 else |
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482 { |
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483 EAP_TRACE_ERROR( |
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484 m_am_tools, |
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485 TRACE_FLAGS_DEFAULT, |
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486 (EAPL("ERROR: Fragments are not supported yet.\n"))); |
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487 EAP_ASSERT_ALWAYS_TOOLS( |
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488 m_am_tools, |
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489 p_offset+p_continuous_bytes <= get_data_length()); |
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490 return 0; |
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491 } |
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492 } |
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493 |
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494 //----------------------------------------------------------------------------- |
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495 |
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496 EAP_FUNC_EXPORT u8_t * eap_buf_chain_base_c::get_data( |
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497 const u32_t p_continuous_bytes) const |
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498 { |
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499 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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500 |
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501 if (m_data == 0 |
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502 || m_data->m_buffer == 0) |
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503 { |
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504 return 0; |
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505 } |
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506 |
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507 return get_data_offset(0u, p_continuous_bytes); |
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508 } |
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509 |
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510 //----------------------------------------------------------------------------- |
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511 |
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512 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::set_buffer_length( |
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513 const u32_t buffer_length) |
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514 { |
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515 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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516 EAP_ASSERT_TOOLS(m_am_tools, m_data->m_buffer != 0); |
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517 |
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518 if (m_data == 0 |
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519 || m_am_tools == 0 |
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520 || m_am_tools->get_is_valid() == false) |
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521 { |
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522 return eap_status_allocation_error; |
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523 } |
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524 |
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525 if (m_data->m_buffer == 0) |
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526 { |
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527 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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528 } |
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529 |
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530 m_data->m_buffer->reset(); |
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531 |
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532 eap_status_e status = m_data->m_buffer->init(buffer_length+2*m_data->m_mem_guard_length); |
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533 if (status == eap_status_ok) |
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534 { |
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535 m_data->m_buffer->set_is_valid(); |
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536 m_data->m_buffer->set_data_length(m_data->m_mem_guard_length); |
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537 set_mem_guard_bytes(); |
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538 } |
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539 |
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540 return EAP_STATUS_RETURN(m_am_tools, status); |
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541 } |
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542 |
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543 //----------------------------------------------------------------------------- |
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544 |
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545 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::set_data_length( |
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546 const u32_t length) |
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547 { |
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548 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
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549 EAP_ASSERT_TOOLS(m_am_tools, m_data->m_buffer != 0); |
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550 EAP_ASSERT_TOOLS(m_am_tools, m_data->m_buffer->get_is_writable() == true); |
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551 |
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552 if (m_data == 0 |
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553 || m_am_tools == 0 |
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554 || m_am_tools->get_is_valid() == false) |
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555 { |
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556 return eap_status_allocation_error; |
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557 } |
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558 |
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559 if (m_data->m_buffer == 0) |
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560 { |
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561 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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562 } |
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563 |
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564 check_guards(); |
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565 |
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566 if (get_buffer_length() > length) |
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567 { |
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568 // Here we must reset the memory guard bytes because not all of the buffer is used. |
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569 EAP_ASSERT_TOOLS( |
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570 m_am_tools, |
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571 m_data->m_buffer->get_data_length() |
|
572 >= m_data->m_mem_guard_length); |
|
573 |
|
574 u8_t * const buffer = m_data->m_buffer->get_data_offset( |
|
575 m_data->m_mem_guard_length, |
|
576 m_data->m_buffer->get_data_length() - m_data->m_mem_guard_length); |
|
577 if (buffer == 0) |
|
578 { |
|
579 return EAP_STATUS_RETURN(m_am_tools, eap_status_buffer_too_short); |
|
580 } |
|
581 |
|
582 m_am_tools->memset( |
|
583 buffer+length, |
|
584 EAP_MEM_GUARD_BYTE, |
|
585 m_data->m_mem_guard_length); |
|
586 } |
|
587 |
|
588 m_data->m_buffer->set_data_length(length + m_data->m_mem_guard_length); |
|
589 |
|
590 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
|
591 } |
|
592 |
|
593 //----------------------------------------------------------------------------- |
|
594 |
|
595 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_is_valid() const |
|
596 { |
|
597 if (m_data == 0) |
|
598 { |
|
599 return false; |
|
600 } |
|
601 |
|
602 return m_data->m_is_valid; |
|
603 } |
|
604 |
|
605 //-------------------------------------------------- |
|
606 |
|
607 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_is_valid_data() const |
|
608 { |
|
609 if (m_data == 0) |
|
610 { |
|
611 return false; |
|
612 } |
|
613 |
|
614 if (m_data->m_is_valid == false) |
|
615 { |
|
616 return false; |
|
617 } |
|
618 |
|
619 // Note the buffer could be empty. |
|
620 if (m_data->m_buffer == 0) |
|
621 { |
|
622 return false; |
|
623 } |
|
624 |
|
625 return true; |
|
626 } |
|
627 |
|
628 //----------------------------------------------------------------------------- |
|
629 |
|
630 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_is_manipulated() |
|
631 { |
|
632 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
633 |
|
634 if (m_data == 0) |
|
635 { |
|
636 return; |
|
637 } |
|
638 |
|
639 m_data->m_is_manipulated = true; |
|
640 } |
|
641 |
|
642 //----------------------------------------------------------------------------- |
|
643 |
|
644 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_is_manipulated() |
|
645 { |
|
646 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
647 |
|
648 if (m_data == 0) |
|
649 { |
|
650 return false; |
|
651 } |
|
652 |
|
653 return m_data->m_is_manipulated; |
|
654 } |
|
655 |
|
656 //----------------------------------------------------------------------------- |
|
657 |
|
658 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_send_packet_index(const u32_t send_packet_index) |
|
659 { |
|
660 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
661 |
|
662 if (m_data == 0) |
|
663 { |
|
664 return; |
|
665 } |
|
666 |
|
667 m_data->m_send_packet_index = send_packet_index; |
|
668 } |
|
669 |
|
670 //----------------------------------------------------------------------------- |
|
671 |
|
672 EAP_FUNC_EXPORT u32_t eap_buf_chain_base_c::get_send_packet_index() |
|
673 { |
|
674 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
675 |
|
676 if (m_data == 0) |
|
677 { |
|
678 return 0; |
|
679 } |
|
680 |
|
681 return m_data->m_send_packet_index; |
|
682 } |
|
683 |
|
684 //----------------------------------------------------------------------------- |
|
685 |
|
686 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_random_error_type( |
|
687 eap_random_error_type error_type) |
|
688 { |
|
689 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
690 |
|
691 if (m_data == 0) |
|
692 { |
|
693 return; |
|
694 } |
|
695 |
|
696 m_data->m_random_error_type = error_type; |
|
697 } |
|
698 |
|
699 //----------------------------------------------------------------------------- |
|
700 |
|
701 EAP_FUNC_EXPORT eap_random_error_type eap_buf_chain_base_c::get_random_error_type() |
|
702 { |
|
703 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
704 |
|
705 if (m_data == 0) |
|
706 { |
|
707 return eap_random_error_type_manipulate_byte; |
|
708 } |
|
709 |
|
710 return m_data->m_random_error_type; |
|
711 } |
|
712 |
|
713 //----------------------------------------------------------------------------- |
|
714 |
|
715 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_do_packet_retransmission( |
|
716 const bool do_packet_retransmission_when_true) |
|
717 { |
|
718 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
719 |
|
720 if (m_data == 0) |
|
721 { |
|
722 return; |
|
723 } |
|
724 |
|
725 m_data->m_do_packet_retransmission = do_packet_retransmission_when_true; |
|
726 } |
|
727 |
|
728 //----------------------------------------------------------------------------- |
|
729 |
|
730 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_do_packet_retransmission() |
|
731 { |
|
732 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
733 |
|
734 if (m_data == 0) |
|
735 { |
|
736 return false; |
|
737 } |
|
738 |
|
739 return m_data->m_do_packet_retransmission; |
|
740 } |
|
741 |
|
742 //----------------------------------------------------------------------------- |
|
743 |
|
744 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_is_client(const bool is_client_when_true) |
|
745 { |
|
746 m_data->m_is_client = is_client_when_true; |
|
747 } |
|
748 |
|
749 //----------------------------------------------------------------------------- |
|
750 |
|
751 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_is_client() const |
|
752 { |
|
753 return m_data->m_is_client; |
|
754 } |
|
755 |
|
756 //----------------------------------------------------------------------------- |
|
757 |
|
758 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_do_length_checks(const bool do_length_checks) |
|
759 { |
|
760 m_data->m_do_length_checks = do_length_checks; |
|
761 } |
|
762 |
|
763 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_do_length_checks() const |
|
764 { |
|
765 return m_data->m_do_length_checks; |
|
766 } |
|
767 |
|
768 //----------------------------------------------------------------------------- |
|
769 |
|
770 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_encrypt(const bool encrypt_when_true) |
|
771 { |
|
772 m_data->m_encrypt = encrypt_when_true; |
|
773 } |
|
774 |
|
775 EAP_FUNC_EXPORT bool eap_buf_chain_base_c::get_encrypt() const |
|
776 { |
|
777 return m_data->m_encrypt; |
|
778 } |
|
779 |
|
780 //----------------------------------------------------------------------------- |
|
781 |
|
782 EAP_FUNC_EXPORT void eap_buf_chain_base_c::set_stack_address(const void * const stack_address) |
|
783 { |
|
784 m_data->m_stack_address = stack_address; |
|
785 } |
|
786 |
|
787 EAP_FUNC_EXPORT const void * eap_buf_chain_base_c::get_stack_address() const |
|
788 { |
|
789 return m_data->m_stack_address; |
|
790 } |
|
791 |
|
792 //----------------------------------------------------------------------------- |
|
793 |
|
794 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::add_data( |
|
795 const void * const buffer, |
|
796 const u32_t buffer_length) |
|
797 { |
|
798 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
799 |
|
800 if (m_data == 0 |
|
801 || m_am_tools == 0 |
|
802 || m_am_tools->get_is_valid() == false) |
|
803 { |
|
804 return eap_status_allocation_error; |
|
805 } |
|
806 |
|
807 eap_status_e status = add_data_to_offset( |
|
808 get_data_length(), |
|
809 buffer, |
|
810 buffer_length); |
|
811 return EAP_STATUS_RETURN(m_am_tools, status); |
|
812 } |
|
813 |
|
814 //----------------------------------------------------------------------------- |
|
815 |
|
816 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::add_data( |
|
817 const eap_variable_data_c * const buffer) |
|
818 { |
|
819 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
820 |
|
821 if (m_data == 0 |
|
822 || m_am_tools == 0 |
|
823 || m_am_tools->get_is_valid() == false) |
|
824 { |
|
825 return eap_status_allocation_error; |
|
826 } |
|
827 |
|
828 return EAP_STATUS_RETURN(m_am_tools, add_data( |
|
829 buffer->get_data(buffer->get_data_length()), |
|
830 buffer->get_data_length())); |
|
831 } |
|
832 |
|
833 //----------------------------------------------------------------------------- |
|
834 |
|
835 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::add_data_to_offset( |
|
836 const u32_t offset, |
|
837 const void * const buffer, |
|
838 const u32_t buffer_length) |
|
839 { |
|
840 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
841 |
|
842 if (m_data == 0 |
|
843 || m_am_tools == 0 |
|
844 || m_am_tools->get_is_valid() == false) |
|
845 { |
|
846 return eap_status_allocation_error; |
|
847 } |
|
848 |
|
849 eap_status_e status = m_data->m_buffer->add_data_to_offset( |
|
850 m_data->m_mem_guard_length+offset, |
|
851 buffer, |
|
852 buffer_length); |
|
853 |
|
854 return EAP_STATUS_RETURN(m_am_tools, status); |
|
855 } |
|
856 |
|
857 //----------------------------------------------------------------------------- |
|
858 |
|
859 EAP_FUNC_EXPORT eap_status_e eap_buf_chain_base_c::add_data_to_offset( |
|
860 const u32_t offset, |
|
861 const eap_variable_data_c * const buffer) |
|
862 { |
|
863 EAP_ASSERT_TOOLS(m_am_tools, m_data != 0); |
|
864 |
|
865 if (m_data == 0 |
|
866 || m_am_tools == 0 |
|
867 || m_am_tools->get_is_valid() == false) |
|
868 { |
|
869 return eap_status_allocation_error; |
|
870 } |
|
871 |
|
872 eap_status_e status = m_data->m_buffer->add_data_to_offset( |
|
873 m_data->m_mem_guard_length+offset, |
|
874 buffer->get_data(buffer->get_data_length()), |
|
875 buffer->get_data_length()); |
|
876 |
|
877 return EAP_STATUS_RETURN(m_am_tools, status); |
|
878 } |
|
879 |
|
880 |
|
881 //----------------------------------------------------------------------------- |
|
882 //----------------------------------------------------------------------------- |
|
883 //----------------------------------------------------------------------------- |
|
884 |
|
885 EAP_FUNC_EXPORT eap_buf_chain_wr_c::~eap_buf_chain_wr_c() |
|
886 { |
|
887 } |
|
888 |
|
889 //----------------------------------------------------------------------------- |
|
890 |
|
891 EAP_FUNC_EXPORT eap_buf_chain_wr_c::eap_buf_chain_wr_c( |
|
892 const eap_write_buffer_e, |
|
893 abs_eap_am_tools_c * const tools, |
|
894 u8_t * const data, |
|
895 const u32_t data_length, |
|
896 const bool reset_data, |
|
897 const bool free_buffer, |
|
898 const u32_t mem_guard_length) |
|
899 : eap_buf_chain_base_c( |
|
900 eap_write_buffer, |
|
901 tools, |
|
902 data, |
|
903 data_length, |
|
904 reset_data, |
|
905 free_buffer, |
|
906 mem_guard_length) |
|
907 { |
|
908 } |
|
909 |
|
910 //----------------------------------------------------------------------------- |
|
911 |
|
912 EAP_FUNC_EXPORT eap_buf_chain_wr_c::eap_buf_chain_wr_c( |
|
913 const eap_write_buffer_e, |
|
914 abs_eap_am_tools_c * const tools, |
|
915 const u32_t data_length) |
|
916 : eap_buf_chain_base_c(eap_write_buffer, tools, data_length) |
|
917 { |
|
918 } |
|
919 |
|
920 //----------------------------------------------------------------------------- |
|
921 |
|
922 EAP_FUNC_EXPORT eap_buf_chain_wr_c::eap_buf_chain_wr_c( |
|
923 const eap_write_buffer_e, |
|
924 abs_eap_am_tools_c * const tools) |
|
925 : eap_buf_chain_base_c(eap_write_buffer, tools, 0ul) |
|
926 { |
|
927 } |
|
928 |
|
929 //----------------------------------------------------------------------------- |
|
930 |
|
931 EAP_FUNC_EXPORT void eap_buf_chain_wr_c::force_inheritance() |
|
932 { |
|
933 } |
|
934 |
|
935 //----------------------------------------------------------------------------- |
|
936 |
|
937 EAP_FUNC_EXPORT u8_t * eap_buf_chain_wr_c::get_ethernet_header() |
|
938 { |
|
939 return static_cast<u8_t *>( |
|
940 get_data( |
|
941 eapol_ethernet_header_wr_c::get_header_length())); |
|
942 } |
|
943 |
|
944 //----------------------------------------------------------------------------- |
|
945 |
|
946 EAP_FUNC_EXPORT eap_buf_chain_wr_c * eap_buf_chain_wr_c::copy() |
|
947 { |
|
948 if (get_is_valid() == false) |
|
949 { |
|
950 return 0; |
|
951 } |
|
952 |
|
953 u8_t *new_data = new u8_t[get_buffer_length()+(2u*get_mem_guard_length())]; |
|
954 |
|
955 if (new_data == 0) |
|
956 { |
|
957 return 0; |
|
958 } |
|
959 |
|
960 get_am_tools()->memmove( |
|
961 new_data+get_mem_guard_length(), |
|
962 get_data(get_buffer_length()), |
|
963 get_buffer_length()); |
|
964 |
|
965 eap_buf_chain_wr_c * const new_buffer |
|
966 = new eap_buf_chain_wr_c( |
|
967 eap_write_buffer, |
|
968 get_am_tools(), |
|
969 new_data, |
|
970 get_buffer_length()+(2u*get_mem_guard_length()), |
|
971 false, // Do not init data |
|
972 true, // Free buffer on destructor |
|
973 get_mem_guard_length()); |
|
974 |
|
975 if (new_buffer == 0 |
|
976 || new_buffer->get_is_valid_data() == false) |
|
977 { |
|
978 delete new_buffer; |
|
979 return 0; |
|
980 } |
|
981 |
|
982 new_buffer->set_data_length(get_data_length()); |
|
983 |
|
984 new_buffer->set_send_packet_index(get_send_packet_index()); |
|
985 new_buffer->set_random_error_type(get_random_error_type()); |
|
986 new_buffer->set_stack_address(get_stack_address()); |
|
987 new_buffer->set_is_client(get_is_client()); |
|
988 |
|
989 return new_buffer; |
|
990 } |
|
991 |
|
992 //----------------------------------------------------------------------------- |
|
993 //----------------------------------------------------------------------------- |
|
994 //----------------------------------------------------------------------------- |
|
995 |
|
996 EAP_FUNC_EXPORT eap_buf_chain_rd_c::~eap_buf_chain_rd_c() |
|
997 { |
|
998 check_guards(); |
|
999 } |
|
1000 |
|
1001 //----------------------------------------------------------------------------- |
|
1002 |
|
1003 EAP_FUNC_EXPORT eap_buf_chain_rd_c::eap_buf_chain_rd_c( |
|
1004 const eap_read_buffer_e, |
|
1005 abs_eap_am_tools_c * const tools, |
|
1006 const u8_t * const data, |
|
1007 const u32_t data_length, |
|
1008 const bool free_buffer) |
|
1009 : eap_buf_chain_base_c( |
|
1010 eap_read_buffer, |
|
1011 tools, |
|
1012 data, |
|
1013 data_length, |
|
1014 free_buffer) |
|
1015 { |
|
1016 } |
|
1017 |
|
1018 //----------------------------------------------------------------------------- |
|
1019 |
|
1020 EAP_FUNC_EXPORT eap_buf_chain_rd_c::eap_buf_chain_rd_c( |
|
1021 const eap_read_buffer_e, |
|
1022 abs_eap_am_tools_c * const tools, |
|
1023 const u32_t data_length) |
|
1024 : eap_buf_chain_base_c(eap_read_buffer, tools, data_length) |
|
1025 { |
|
1026 } |
|
1027 |
|
1028 //----------------------------------------------------------------------------- |
|
1029 |
|
1030 EAP_FUNC_EXPORT void eap_buf_chain_rd_c::force_inheritance() |
|
1031 { |
|
1032 } |
|
1033 |
|
1034 //----------------------------------------------------------------------------- |
|
1035 |
|
1036 EAP_FUNC_EXPORT const u8_t * eap_buf_chain_rd_c::get_data( |
|
1037 const u32_t p_continuous_bytes) const |
|
1038 { |
|
1039 return static_cast<const u8_t *>( |
|
1040 eap_buf_chain_base_c::get_data(p_continuous_bytes)); |
|
1041 } |
|
1042 |
|
1043 //----------------------------------------------------------------------------- |
|
1044 |
|
1045 EAP_FUNC_EXPORT const u8_t * eap_buf_chain_rd_c::get_data_offset( |
|
1046 const u32_t p_offset, |
|
1047 const u32_t p_continuous_bytes) const |
|
1048 { |
|
1049 return static_cast<const u8_t *>( |
|
1050 eap_buf_chain_base_c::get_data_offset( |
|
1051 p_offset, |
|
1052 p_continuous_bytes)); |
|
1053 } |
|
1054 |
|
1055 //----------------------------------------------------------------------------- |
|
1056 |
|
1057 EAP_FUNC_EXPORT const u8_t * eap_buf_chain_rd_c::get_ethernet_header() const |
|
1058 { |
|
1059 return static_cast<const u8_t *>( |
|
1060 get_data( |
|
1061 eapol_ethernet_header_rd_c::get_header_length())); |
|
1062 } |
|
1063 |
|
1064 //----------------------------------------------------------------------------- |
|
1065 |
|
1066 |
|
1067 |
|
1068 |
|
1069 // End. |