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1 /* |
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2 * Copyright (c) 2002 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 "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: Server authentication |
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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 |
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20 #include <imcvcodc.h> |
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21 #include <e32math.h> |
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22 #include "NSmlAuth.h" |
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23 #include "nsmlcliagconstants.h" |
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24 #include "NSmlAgentBase.h" |
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25 #include "nsmlagenttestdefines.h" |
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26 |
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27 |
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28 |
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29 // --------------------------------------------------------- |
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30 // CNSmlAuth::CNSmlAuth() |
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31 // Constructor, nothing special in here. |
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32 // --------------------------------------------------------- |
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33 // |
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34 CNSmlAuth::CNSmlAuth() |
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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 // CNSmlAuth::~CNSmlAuth() |
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40 // Destructor |
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41 // --------------------------------------------------------- |
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42 // |
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43 CNSmlAuth::~CNSmlAuth() |
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44 { |
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45 delete iCredential; |
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46 delete iType; |
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47 delete iFormat; |
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48 delete iNonce; |
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49 delete iB64Nonce; |
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50 } |
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51 |
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52 // --------------------------------------------------------- |
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53 // CNSmlAuth::NewL() |
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54 // Creates new instance of CNSmlAuth. |
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55 // --------------------------------------------------------- |
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56 // |
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57 EXPORT_C CNSmlAuth* CNSmlAuth::NewL() |
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58 { |
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59 CNSmlAuth* self = new (ELeave) CNSmlAuth(); |
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60 CleanupStack::PushL( self ); |
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61 self->ConstructL(); |
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62 CleanupStack::Pop(); |
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63 return( self ); |
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64 } |
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65 // --------------------------------------------------------- |
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66 // CNSmlAuth::SetSyncAgent() |
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67 // |
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68 // --------------------------------------------------------- |
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69 EXPORT_C void CNSmlAuth::SetSyncAgent( CNSmlAgentBase* aAgent ) |
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70 { |
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71 iAgent = aAgent; |
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72 } |
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73 // --------------------------------------------------------- |
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74 // CNSmlAuth::SetCredentialL() |
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75 // |
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76 // --------------------------------------------------------- |
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77 // |
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78 EXPORT_C void CNSmlAuth::SetCredentialL( const TDesC8& aCredential ) |
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79 { |
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80 delete iCredential; |
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81 iCredential = NULL; |
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82 iCredential = aCredential.AllocL(); |
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83 |
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84 } |
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85 // --------------------------------------------------------- |
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86 // CNSmlAuth::SetTypeL() |
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87 // |
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88 // --------------------------------------------------------- |
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89 // |
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90 void CNSmlAuth::SetTypeL( const TDesC8& aType ) |
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91 { |
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92 delete iType; |
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93 iType = NULL; |
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94 iType = aType.AllocL(); |
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95 } |
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96 // --------------------------------------------------------- |
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97 // CNSmlAuth::SetFormatL() |
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98 // |
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99 // --------------------------------------------------------- |
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100 // |
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101 void CNSmlAuth::SetFormatL( const TDesC8& aFormat ) |
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102 { |
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103 delete iFormat; |
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104 iFormat = NULL; |
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105 iFormat = aFormat.AllocL(); |
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106 } |
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107 |
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108 // --------------------------------------------------------- |
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109 // CNSmlAuth::SetAuthRequiredL() |
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110 // |
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111 // --------------------------------------------------------- |
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112 // |
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113 EXPORT_C void CNSmlAuth::SetAuthRequiredL() |
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114 { |
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115 iAuthState = ENotAuthenticated; |
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116 HBufC* unicodeNonce = iAgent->ServerNonceAllocL(); |
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117 CleanupStack::PushL( unicodeNonce ); |
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118 iNonce = HBufC8::NewL( unicodeNonce->Length() ); |
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119 iNonce->Des().Copy( *unicodeNonce ); |
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120 CleanupStack::PopAndDestroy(); //unicodeNonce |
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121 if ( iNonce->Length() == 0 ) |
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122 { |
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123 CreateAndSaveNewNonceL(); |
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124 } |
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125 } |
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126 // --------------------------------------------------------- |
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127 // CNSmlAuth::SetChallenced() |
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128 // |
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129 // --------------------------------------------------------- |
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130 // |
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131 void CNSmlAuth::SetChallenced() |
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132 { |
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133 if ( iAuthState == ENotAuthenticated ) |
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134 { |
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135 iAuthState = EAuthChallenced; |
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136 } |
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137 if ( iAuthState == EAuthenticated ) |
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138 { |
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139 iAuthState = EChallencedForNext; |
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140 } |
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141 } |
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142 |
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143 // --------------------------------------------------------- |
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144 // CNSmlAuth::CreateAndSaveNewNonceL() |
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145 // --------------------------------------------------------- |
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146 void CNSmlAuth::CreateAndSaveNewNonceL() |
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147 { |
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148 delete iNonce; |
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149 iNonce = NULL; |
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150 iNonce = HBufC8::NewL( 5 ); |
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151 _LIT8( KNSmlNonceMask, "%05d" ); |
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152 TInt64 seed = User::TickCount(); |
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153 TInt nonce = Math::Rand( seed ); |
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154 iNonce->Des().Format( KNSmlNonceMask, nonce ); |
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155 #ifdef __CONSTANT_NONCE |
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156 *iNonce = _L8("nonce"); |
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157 #endif |
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158 HBufC* unicodeNonce = HBufC::NewLC( iNonce->Length() ); |
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159 unicodeNonce->Des().Copy( *iNonce ); |
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160 iAgent->SetServerNonceL( *unicodeNonce ); |
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161 CleanupStack::PopAndDestroy(); //unicodeNonce |
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162 } |
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163 |
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164 // --------------------------------------------------------- |
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165 // CNSmlAuth::NonceL() |
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166 // |
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167 // --------------------------------------------------------- |
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168 // |
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169 TPtrC8 CNSmlAuth::NonceL() |
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170 { |
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171 if ( iAuthState == EAuthenticated ) |
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172 { |
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173 CreateAndSaveNewNonceL(); |
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174 } |
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175 TImCodecB64 B64Coder; |
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176 delete iB64Nonce; |
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177 iB64Nonce = NULL; |
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178 iB64Nonce = HBufC8::NewL( iNonce->Length() * 2 + 1 ); |
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179 TPtr8 B64NoncePtr( iB64Nonce->Des() ); |
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180 User::LeaveIfError( B64Coder.Encode( *iNonce, B64NoncePtr ) ); |
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181 return *iB64Nonce; |
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182 } |
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183 |
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184 // --------------------------------------------------------- |
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185 // CNSmlAuth::ChallengeNeeded() |
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186 // |
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187 // --------------------------------------------------------- |
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188 // |
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189 TBool CNSmlAuth::ChallengeNeeded() const |
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190 { |
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191 if ( iAuthState == ENotAuthenticated || iAuthState == EAuthenticated ) |
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192 { |
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193 return ETrue; |
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194 } |
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195 return EFalse; |
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196 } |
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197 |
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198 // --------------------------------------------------------- |
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199 // CNSmlAuth::Challenged() |
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200 // |
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201 // --------------------------------------------------------- |
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202 // |
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203 EXPORT_C TBool CNSmlAuth::Challenged() const |
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204 { |
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205 if ( iAuthState == EAuthChallenced ) |
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206 { |
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207 return ETrue; |
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208 } |
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209 return EFalse; |
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210 } |
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211 |
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212 // --------------------------------------------------------- |
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213 // CNSmlAuth::StatusCodeL() |
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214 // |
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215 // --------------------------------------------------------- |
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216 // |
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217 TNSmlError::TNSmlSyncMLStatusCode CNSmlAuth::StatusCodeL() |
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218 { |
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219 if ( iAuthState == ENotInUse ) |
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220 { |
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221 return TNSmlError::ESmlStatusOK; |
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222 } |
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223 if ( iAuthState == EAuthenticated || iAuthState == EChallencedForNext ) |
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224 { |
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225 return TNSmlError::ESmlStatusAuthenticationAccepted; |
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226 } |
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227 TNSmlError::TNSmlSyncMLStatusCode statusCode = TNSmlError::ESmlStatusOK; |
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228 if ( iCredential == NULL || iType == NULL ) |
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229 { |
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230 statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired; |
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231 } |
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232 else |
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233 { |
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234 if ( iType->Des() != KNSmlAgentAuthMD5 ) |
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235 { |
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236 statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired; |
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237 } |
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238 else |
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239 { |
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240 statusCode = CheckCredentialL(); |
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241 if ( statusCode == TNSmlError::ESmlStatusAuthenticationAccepted ) |
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242 { |
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243 iAuthState = EAuthenticated; |
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244 } |
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245 } |
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246 } |
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247 if ( iAuthState == EAuthChallenced && statusCode == TNSmlError::ESmlStatusClientAuthenticationRequired ) |
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248 { |
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249 statusCode = TNSmlError::ESmlStatusUnauthorized; |
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250 } |
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251 return statusCode; |
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252 } |
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253 // --------------------------------------------------------- |
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254 // CNSmlAuth::ConstructL() |
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255 // --------------------------------------------------------- |
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256 // |
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257 void CNSmlAuth::ConstructL() |
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258 { |
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259 iAuthState = ENotInUse; |
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260 iType = KNSmlAgentAuthMD5().AllocL(); |
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261 iFormat = HBufC8::NewL(0); |
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262 } |
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263 |
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264 // --------------------------------------------------------- |
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265 // CNSmlAuth::CheckCredentialL() |
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266 // --------------------------------------------------------- |
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267 TNSmlError::TNSmlSyncMLStatusCode CNSmlAuth::CheckCredentialL() |
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268 { |
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269 HBufC8* B64Cred; |
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270 if ( iFormat->Des() != KNSmlAgentBase64Format ) |
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271 { |
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272 TImCodecB64 B64Coder; |
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273 B64Cred = HBufC8::NewLC( iCredential->Length() * 2 + 1 ); |
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274 TPtr8 B64CredPtr( B64Cred->Des() ); |
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275 User::LeaveIfError( B64Coder.Encode( *iCredential, B64CredPtr ) ); |
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276 } |
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277 else |
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278 { |
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279 B64Cred = iCredential->AllocLC(); |
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280 } |
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281 HBufC8* digest = iAgent->Md5CredentialL( ETrue ); |
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282 TNSmlError::TNSmlSyncMLStatusCode statusCode = TNSmlError::ESmlStatusAuthenticationAccepted; |
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283 if ( *digest != *B64Cred ) |
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284 { |
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285 statusCode = TNSmlError::ESmlStatusClientAuthenticationRequired; |
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286 } |
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287 CleanupStack::PopAndDestroy(); //B64Cred |
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288 delete digest; |
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289 return statusCode; |
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290 } |
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291 |
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292 |
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293 |
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294 |
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295 |