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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 105 |
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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 #include "eap_radius_header.h" |
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29 #include "eap_radius_header_string.h" |
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30 |
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31 //-------------------------------------------------- |
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32 |
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33 EAP_FUNC_EXPORT eap_radius_header_base_c::~eap_radius_header_base_c() |
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34 { |
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35 } |
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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 EAP_FUNC_EXPORT eap_radius_header_base_c::eap_radius_header_base_c( |
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41 abs_eap_am_tools_c * const tools, |
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42 void * const header_begin, |
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43 const u32_t header_buffer_length) |
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44 : eap_general_header_base_c(tools, header_begin, header_buffer_length) |
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45 , m_am_tools(tools) |
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46 { |
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47 } |
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48 |
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49 //-------------------------------------------------- |
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50 |
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51 EAP_FUNC_EXPORT u32_t eap_radius_header_base_c::get_header_length() |
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52 { |
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53 return m_attributes_offset; |
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54 } |
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55 |
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56 //-------------------------------------------------- |
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57 |
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58 EAP_FUNC_EXPORT eap_radius_code_value_e eap_radius_header_base_c::get_code() const |
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59 { |
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60 const u8_t * const code_data = get_header_offset(m_code_offset, sizeof(u8_t)); |
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61 if (code_data != 0) |
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62 { |
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63 return static_cast<eap_radius_code_value_e>(*code_data); |
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64 } |
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65 else |
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66 { |
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67 return eap_radius_code_none; |
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68 } |
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69 } |
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70 |
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71 /// This function returns the authenticator field of RADIUS-header. |
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72 EAP_FUNC_EXPORT u8_t * eap_radius_header_base_c::get_authenticator() const |
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73 { |
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74 u8_t * authenticator = get_header_offset( |
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75 m_authenticator_offset, |
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76 get_authenticator_length()); |
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77 if (authenticator != 0) |
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78 { |
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79 return authenticator; |
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80 } |
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81 else |
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82 { |
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83 return 0; |
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84 } |
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85 } |
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86 |
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87 /// This function returns the length of the authenticator field of RADIUS-header. |
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88 EAP_FUNC_EXPORT u32_t eap_radius_header_base_c::get_authenticator_length() const |
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89 { |
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90 return EAP_RADIUS_AUTHENTICATOR_LENGTH*sizeof(u8_t); |
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91 } |
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92 |
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93 //-------------------------------------------------- |
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94 |
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95 EAP_FUNC_EXPORT u8_t eap_radius_header_base_c::get_identifier() const |
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96 { |
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97 const u8_t * const identifier_data = get_header_offset(m_identifier_offset, sizeof(u8_t)); |
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98 if (identifier_data != 0) |
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99 { |
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100 return *identifier_data; |
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101 } |
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102 else |
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103 { |
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104 return 0xff; |
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105 } |
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106 } |
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107 |
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108 //-------------------------------------------------- |
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109 |
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110 EAP_FUNC_EXPORT u16_t eap_radius_header_base_c::get_length() const |
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111 { |
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112 const u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t)); |
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113 if (length_data != 0) |
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114 { |
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115 return static_cast<u16_t>(static_cast<u16_t>(length_data[0]) << 8 |
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116 | static_cast<u16_t>(length_data[1])); |
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117 } |
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118 else |
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119 { |
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120 return 0ul; |
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121 } |
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122 } |
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123 |
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124 //-------------------------------------------------- |
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125 |
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126 EAP_FUNC_EXPORT u16_t eap_radius_header_base_c::get_data_length() const |
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127 { |
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128 u32_t length = get_length(); |
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129 if (length >= get_header_length()) |
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130 { |
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131 return static_cast<u16_t>(length-get_header_length()); |
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132 } |
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133 else |
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134 { |
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135 return 0ul; |
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136 } |
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137 } |
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138 |
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139 //-------------------------------------------------- |
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140 |
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141 EAP_FUNC_EXPORT u8_t * eap_radius_header_base_c::get_data_offset( |
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142 const u32_t p_offset, const u32_t p_continuous_bytes) const |
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143 { |
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144 if (get_length() >= static_cast<u16_t>(get_header_length()+p_offset+p_continuous_bytes)) |
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145 { |
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146 u8_t * const data_begin = get_header_offset(m_attributes_offset, sizeof(u8_t)); |
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147 if (data_begin == 0) |
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148 { |
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149 return 0; |
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150 } |
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151 return &(data_begin[p_offset]); |
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152 } |
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153 else |
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154 { |
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155 return 0; |
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156 } |
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157 } |
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158 |
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159 //-------------------------------------------------- |
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160 |
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161 EAP_FUNC_EXPORT void eap_radius_header_base_c::set_code(const eap_radius_code_value_e p_code) |
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162 { |
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163 u8_t * const code_data = get_header_offset(m_code_offset, sizeof(u8_t)); |
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164 EAP_ASSERT(code_data != 0); |
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165 |
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166 *code_data = static_cast<u8_t>(p_code); |
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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 EAP_FUNC_EXPORT void eap_radius_header_base_c::set_identifier(const u8_t p_identifier) |
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172 { |
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173 u8_t * const identifier_data = get_header_offset(m_identifier_offset, sizeof(u8_t)); |
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174 EAP_ASSERT(identifier_data != 0); |
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175 |
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176 *identifier_data = p_identifier; |
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177 } |
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178 |
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179 //-------------------------------------------------- |
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180 |
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181 EAP_FUNC_EXPORT void eap_radius_header_base_c::set_length(const u16_t p_length) |
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182 { |
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183 u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t)); |
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184 EAP_ASSERT(length_data != 0); |
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185 |
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186 length_data[0] = static_cast<u8_t>((p_length & 0xff00) >> 8); |
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187 length_data[1] = static_cast<u8_t>(p_length & 0x00ff); |
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188 } |
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189 |
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190 //-------------------------------------------------- |
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191 |
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192 EAP_FUNC_EXPORT void eap_radius_header_base_c::set_data_length(const u16_t data_length) |
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193 { |
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194 u16_t length = static_cast<u16_t>(data_length+get_header_length()); |
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195 |
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196 u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t)); |
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197 EAP_ASSERT(length_data != 0); |
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198 |
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199 length_data[0] = static_cast<u8_t>((length & 0xff00) >> 8); |
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200 length_data[1] = static_cast<u8_t>(length & 0x00ff); |
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201 } |
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202 |
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203 //-------------------------------------------------- |
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204 |
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205 EAP_FUNC_EXPORT eap_const_string eap_radius_header_base_c::get_code_string() const |
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206 { |
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207 return eap_radius_header_string_c::get_code_string(get_code()); |
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208 } |
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209 |
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210 //-------------------------------------------------- |
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211 |
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212 EAP_FUNC_EXPORT eap_status_e eap_radius_header_base_c::check_header() const |
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213 { |
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214 eap_status_e status = eap_status_process_general_error; |
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215 |
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216 if (get_code() > eap_radius_code_maximum_supported |
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217 || eap_radius_code_maximum_supported < get_code()) |
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218 { |
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219 status = eap_status_illegal_eap_code; |
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220 |
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221 EAP_TRACE_DEBUG( |
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222 get_am_tools(), |
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223 TRACE_FLAGS_DEFAULT, |
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224 (EAPL("ERROR: eap_header_c::check_header(), illegal code field 0x%02x, eap_status_e %d\n"), |
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225 get_code(), |
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226 status)); |
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227 } |
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228 else |
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229 { |
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230 status = eap_status_ok; |
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231 } |
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232 |
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233 return EAP_STATUS_RETURN(m_am_tools, status); |
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234 } |
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235 |
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236 /// This function resets the RADIUS-header. |
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237 /// The buffer_length parameter is the length of the RADISU-header and the following attribute data buffer. |
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238 EAP_FUNC_EXPORT void eap_radius_header_base_c::reset_header(u16_t buffer_length) |
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239 { |
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240 set_code(eap_radius_code_none); |
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241 set_identifier(0u); |
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242 set_length(buffer_length); |
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243 } |
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244 |
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245 //-------------------------------------------------- |
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246 |
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247 |
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248 |
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249 // End. |