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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 53 |
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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 "eapol_rsna_key_data_gtk_header.h" |
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30 |
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31 |
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32 //------------------------------------------------------ |
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33 |
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34 // |
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35 eapol_rsna_key_data_gtk_header_c::~eapol_rsna_key_data_gtk_header_c() |
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36 { |
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37 } |
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38 |
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39 //------------------------------------------------------ |
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40 |
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41 // |
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42 eapol_rsna_key_data_gtk_header_c::eapol_rsna_key_data_gtk_header_c( |
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43 abs_eap_am_tools_c * const tools, |
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44 void * const header_begin, |
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45 const u32_t header_buffer_length) |
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46 : eap_general_header_base_c(tools, header_begin, header_buffer_length) |
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47 , m_am_tools(tools) |
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48 { |
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49 } |
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50 |
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51 //------------------------------------------------------ |
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52 |
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53 // |
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54 u8_t eapol_rsna_key_data_gtk_header_c::get_key_index() const |
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55 { |
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56 const u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE); |
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57 if (data != 0) |
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58 { |
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59 return static_cast<u8_t>(((*data) & EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK) >> EAPOL_RSNA_KEY_DATA_GTK_INDEX_SHIFT); |
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60 } |
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61 else |
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62 { |
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63 return EAPOL_RSNA_KEY_DATA_INVALID_GTK_INDEX; |
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64 } |
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65 } |
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66 |
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67 //------------------------------------------------------ |
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68 |
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69 // |
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70 bool eapol_rsna_key_data_gtk_header_c::get_tx_bit() const |
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71 { |
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72 const u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE); |
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73 if (data != 0) |
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74 { |
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75 u8_t flag = static_cast<u8_t>(((*data) & EAPOL_RSNA_KEY_DATA_TX_MASK) >> EAPOL_RSNA_KEY_DATA_TX_SHIFT); |
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76 if (flag != 0) |
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77 { |
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78 return true; |
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79 } |
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80 else |
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81 { |
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82 return false; |
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83 } |
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84 } |
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85 else |
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86 { |
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87 return false; |
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88 } |
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89 } |
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90 |
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91 //------------------------------------------------------ |
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92 |
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93 // |
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94 u8_t * eapol_rsna_key_data_gtk_header_c::get_gtk_offset(const u32_t offset, const u32_t contignuous_bytes) const |
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95 { |
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96 u32_t GTK_buffer_length = get_header_buffer_length() - get_header_length(); |
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97 |
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98 if (GTK_buffer_length >= offset+contignuous_bytes) |
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99 { |
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100 // This is pointer to the offset of the Data. |
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101 u8_t * const data = get_header_offset(m_offset_gtk, offset+contignuous_bytes); |
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102 if (data != 0) |
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103 { |
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104 return &data[offset]; |
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105 } |
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106 else |
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107 { |
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108 return 0; |
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109 } |
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110 } |
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111 else |
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112 { |
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113 EAP_ASSERT_ALWAYS(GTK_buffer_length >= offset+contignuous_bytes); |
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114 } |
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115 return 0; |
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116 } |
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117 |
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118 //------------------------------------------------------ |
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119 |
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120 // |
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121 u8_t * eapol_rsna_key_data_gtk_header_c::get_gtk(const u32_t contignuous_bytes) const |
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122 { |
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123 return get_gtk_offset(0u, contignuous_bytes); |
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124 } |
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125 |
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126 //------------------------------------------------------ |
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127 |
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128 // |
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129 u16_t eapol_rsna_key_data_gtk_header_c::get_header_length() |
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130 { |
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131 return m_offset_gtk; |
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132 } |
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133 |
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134 //------------------------------------------------------ |
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135 |
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136 // |
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137 eap_status_e eapol_rsna_key_data_gtk_header_c::set_key_index(const u32_t index) |
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138 { |
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139 u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE); |
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140 if (data != 0) |
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141 { |
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142 *data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK) |
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143 | ((index <<EAPOL_RSNA_KEY_DATA_GTK_INDEX_SHIFT) & EAPOL_RSNA_KEY_DATA_GTK_INDEX_MASK)); |
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144 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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145 } |
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146 else |
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147 { |
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148 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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149 } |
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150 } |
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151 |
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152 //------------------------------------------------------ |
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153 |
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154 // |
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155 eap_status_e eapol_rsna_key_data_gtk_header_c::set_tx(const bool tx) |
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156 { |
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157 u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE); |
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158 if (data != 0) |
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159 { |
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160 *data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_TX_MASK) |
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161 | ((tx <<EAPOL_RSNA_KEY_DATA_TX_SHIFT) & EAPOL_RSNA_KEY_DATA_TX_MASK)); |
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162 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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163 } |
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164 else |
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165 { |
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166 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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167 } |
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168 } |
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169 |
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170 //------------------------------------------------------ |
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171 |
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172 // |
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173 eap_status_e eapol_rsna_key_data_gtk_header_c::set_reserved_flag(const u32_t index) |
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174 { |
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175 u8_t * const data = get_header_offset(m_offset_flags, EAPOL_RSNA_KEY_DATA_FLAGS_FIELD_SIZE); |
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176 if (data != 0) |
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177 { |
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178 *data = static_cast<u8_t>(((*data) && ~EAPOL_RSNA_KEY_DATA_RESERVED_MASK) |
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179 | ((index <<EAPOL_RSNA_KEY_DATA_RESERVED_SHIFT) & EAPOL_RSNA_KEY_DATA_RESERVED_MASK)); |
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180 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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181 } |
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182 else |
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183 { |
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184 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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185 } |
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186 } |
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187 |
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188 //------------------------------------------------------ |
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189 |
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190 // |
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191 eap_status_e eapol_rsna_key_data_gtk_header_c::set_reserved_field(const u32_t reserved) |
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192 { |
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193 u8_t * const data = get_header_offset(m_offset_reserved, EAPOL_RSNA_KEY_DATA_RESERVED_FIELD_SIZE); |
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194 if (data != 0) |
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195 { |
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196 *data = static_cast<u8_t>(reserved); |
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197 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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198 } |
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199 else |
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200 { |
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201 return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error); |
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202 } |
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203 } |
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204 |
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205 //------------------------------------------------------ |
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206 |
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207 // |
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208 eap_status_e eapol_rsna_key_data_gtk_header_c::check_header() const |
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209 { |
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210 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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211 } |
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212 |
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213 //------------------------------------------------------ |
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214 |
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215 // |
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216 eap_status_e eapol_rsna_key_data_gtk_header_c::reset_header() |
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217 { |
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218 eap_status_e status(eap_status_process_general_error); |
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219 |
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220 m_am_tools->memset( |
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221 get_header_buffer(get_header_buffer_length()), |
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222 0ul, |
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223 get_header_buffer_length()); |
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224 |
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225 status = set_key_index(0ul); |
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226 if (status != eap_status_ok) |
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227 { |
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228 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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229 return EAP_STATUS_RETURN(m_am_tools, status); |
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230 } |
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231 |
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232 status = set_tx(false); |
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233 if (status != eap_status_ok) |
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234 { |
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235 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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236 return EAP_STATUS_RETURN(m_am_tools, status); |
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237 } |
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238 |
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239 status = set_reserved_flag(0ul); |
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240 if (status != eap_status_ok) |
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241 { |
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242 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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243 return EAP_STATUS_RETURN(m_am_tools, status); |
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244 } |
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245 |
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246 status = set_reserved_field(0ul); |
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247 if (status != eap_status_ok) |
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248 { |
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249 EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT); |
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250 return EAP_STATUS_RETURN(m_am_tools, status); |
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251 } |
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252 |
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253 return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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254 } |
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255 |
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256 //------------------------------------------------------ |
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257 |
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258 |
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259 |
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260 // End. |