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1 /* |
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2 * Copyright (c) 2004-2009 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: |
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15 * Definition of the Swi::Sis::CController |
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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 /** |
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21 @file siscontroller.cpp |
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22 */ |
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23 |
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24 #include "siscontroller.h" |
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25 #include "sisinfo.h" |
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26 #include "sissupportedlanguages.h" |
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27 #include "sissupportedoptions.h" |
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28 #include "sisproperties.h" |
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29 #include "sislogo.h" |
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30 #include "sisinstallblock.h" |
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31 #include "sisproperties.h" |
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32 #include "sisprerequisites.h" |
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33 #include "swi/sistruststatus.h" |
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34 #include "certchainconstraints.h" |
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35 #include "sisptrprovider.h" |
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36 #include "log.h" |
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37 |
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38 using namespace Swi::Sis; |
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39 |
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40 |
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41 EXPORT_C /*static*/ CController* CController::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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42 { |
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43 CController* self = new(ELeave) CController(); |
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44 CleanupStack::PushL(self); |
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45 self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour); |
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46 return self; |
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47 } |
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48 |
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49 EXPORT_C /*static*/ CController* CController::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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50 { |
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51 CController* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour); |
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52 CleanupStack::Pop(self); |
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53 return self; |
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54 } |
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55 |
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56 EXPORT_C /*static*/ CController* CController::NewLC(MSisDataProvider& aDataProvider, TReadTypeBehaviour aTypeReadBehaviour) |
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57 { |
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58 CController* self = new(ELeave) CController(); |
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59 CleanupStack::PushL(self); |
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60 TInt64 bytesRead=0; |
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61 self->ConstructL(aDataProvider, bytesRead, aTypeReadBehaviour); |
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62 return self; |
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63 } |
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64 |
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65 EXPORT_C /*static*/ CController* CController::NewL(MSisDataProvider& aDataProvider, TReadTypeBehaviour aTypeReadBehaviour) |
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66 { |
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67 CController* self = NewLC(aDataProvider, aTypeReadBehaviour); |
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68 CleanupStack::Pop(self); |
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69 return self; |
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70 } |
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71 |
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72 CController::CController() : iTrust(ESisPackageUnsignedOrSelfSigned) |
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73 { |
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74 } |
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75 |
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76 EXPORT_C CController* CController::NewLC(TPtrProvider& aDataProvider, TReadTypeBehaviour aTypeReadBehaviour) |
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77 { |
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78 CController* self = new(ELeave) CController(); |
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79 CleanupStack::PushL(self); |
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80 TInt64 bytesRead(0); |
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81 self->ConstructL(aDataProvider, bytesRead, aTypeReadBehaviour); |
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82 return self; |
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83 } |
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84 |
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85 EXPORT_C CController* CController::NewL(TPtrProvider& aDataProvider, TReadTypeBehaviour aTypeReadBehaviour) |
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86 { |
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87 CController* self = NewLC(aDataProvider, aTypeReadBehaviour); |
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88 CleanupStack::Pop(self); |
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89 return self; |
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90 } |
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91 |
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92 EXPORT_C CController* CController::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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93 { |
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94 CController* self = new(ELeave) CController(); |
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95 CleanupStack::PushL(self); |
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96 self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour); |
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97 return self; |
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98 } |
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99 |
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100 EXPORT_C CController* CController::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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101 { |
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102 CController* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour); |
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103 CleanupStack::Pop(self); |
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104 return self; |
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105 } |
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106 |
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107 EXPORT_C CController::~CController() |
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108 { |
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109 delete iInfo; |
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110 delete iInstallBlock; |
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111 delete iLanguages; |
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112 delete iSupportedOptions; |
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113 delete iProperties; |
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114 delete iLogo; |
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115 delete iPrerequisites; |
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116 delete iDataIndex; |
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117 delete iTrustStatus; |
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118 delete iCertChainConstraints; |
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119 |
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120 iCertChainIndices.Close(); |
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121 iSignatureCertificateChains.ResetAndDestroy(); |
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122 } |
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123 |
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124 void CController::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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125 { |
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126 iDataOffset=aBytesRead; |
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127 |
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128 CField::ConstructL(aDataProvider, EFieldTypeController, aBytesRead, aTypeReadBehaviour); |
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129 |
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130 iInfo=CInfo::NewL(aDataProvider, aBytesRead); |
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131 |
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132 iSupportedOptions=CSupportedOptions::NewL(aDataProvider, aBytesRead); |
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133 |
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134 iLanguages=CSupportedLanguages::NewL(aDataProvider, aBytesRead); |
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135 |
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136 iPrerequisites=CPrerequisites::NewL(aDataProvider, aBytesRead); |
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137 |
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138 iProperties=CProperties::NewL(aDataProvider, aBytesRead); |
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139 |
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140 TFieldType fieldType; |
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141 CField::ReadEnumL<TFieldType,TUint32>(aDataProvider, fieldType, aBytesRead); |
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142 |
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143 if (fieldType == EFieldTypeLogo) |
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144 { |
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145 // Logo present |
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146 iLogo=CLogo::NewL(aDataProvider, aBytesRead, EAssumeType); |
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147 iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead); |
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148 } |
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149 else if (fieldType == EFieldTypeInstallBlock) |
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150 { |
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151 // No logo present |
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152 iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead, EAssumeType); |
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153 } |
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154 else |
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155 { |
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156 User::Leave(KErrSISUnexpectedFieldType); |
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157 } |
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158 |
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159 ReadMemberCollectionL(aDataProvider, iSignatureCertificateChains, EFieldTypeSignatureCertificateChain, EFieldTypeDataIndex, aBytesRead); |
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160 |
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161 iDataIndex=CDataIndex::NewL(aDataProvider, aBytesRead, EAssumeType); |
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162 |
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163 CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - iDataOffset, aBytesRead, aTypeReadBehaviour); |
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164 CField::EnsureAlignedL(aDataProvider, aBytesRead - iDataOffset, aBytesRead, aTypeReadBehaviour); |
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165 |
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166 iTrustStatus = new (ELeave)Swi::TSisTrustStatus(); |
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167 |
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168 // Create unconstrained cert chain constraints object; this may be replaced. |
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169 iCertChainConstraints = CCertChainConstraints::NewL(); |
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170 |
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171 iRemoveWithLastDependent = 0; |
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172 |
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173 #ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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174 iUserGrantableCapabilities.SetEmpty(); |
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175 #endif |
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176 } |
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177 |
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178 void CController::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour) |
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179 { |
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180 iDataOffset=aBytesRead; |
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181 |
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182 CField::ConstructL(aDataProvider, EFieldTypeController, aBytesRead, aTypeReadBehaviour); |
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183 |
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184 iInfo=CInfo::NewL(aDataProvider, aBytesRead); |
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185 |
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186 iSupportedOptions=CSupportedOptions::NewL(aDataProvider, aBytesRead); |
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187 |
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188 iLanguages=CSupportedLanguages::NewL(aDataProvider, aBytesRead); |
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189 |
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190 iPrerequisites=CPrerequisites::NewL(aDataProvider, aBytesRead); |
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191 |
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192 iProperties=CProperties::NewL(aDataProvider, aBytesRead); |
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193 |
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194 TFieldType fieldType; |
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195 CField::ReadEnumL<TFieldType,TUint32>(aDataProvider, fieldType, aBytesRead); |
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196 |
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197 if (fieldType == EFieldTypeLogo) |
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198 { |
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199 // Logo present |
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200 iLogo=CLogo::NewL(aDataProvider, aBytesRead, EAssumeType); |
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201 iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead); |
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202 } |
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203 else if (fieldType == EFieldTypeInstallBlock) |
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204 { |
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205 // No logo present |
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206 iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead, EAssumeType); |
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207 } |
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208 else |
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209 { |
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210 User::Leave(KErrSISUnexpectedFieldType); |
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211 } |
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212 |
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213 ReadMemberCollectionL(aDataProvider, iSignatureCertificateChains, EFieldTypeSignatureCertificateChain, EFieldTypeDataIndex, aBytesRead); |
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214 |
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215 iDataIndex=CDataIndex::NewL(aDataProvider, aBytesRead, EAssumeType); |
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216 |
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217 CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - iDataOffset, aBytesRead, aTypeReadBehaviour); |
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218 CField::EnsureAlignedL(aDataProvider, aBytesRead - iDataOffset, aBytesRead, aTypeReadBehaviour); |
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219 |
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220 iTrustStatus = new (ELeave)Swi::TSisTrustStatus(); |
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221 |
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222 // Create unconstrained cert chain constraints object; this may be replaced. |
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223 iCertChainConstraints = CCertChainConstraints::NewL(); |
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224 |
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225 iRemoveWithLastDependent = 0; |
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226 |
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227 #ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK |
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228 iUserGrantableCapabilities.SetEmpty(); |
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229 #endif |
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230 } |
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231 |
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232 EXPORT_C void CController::AddChainIndex(TInt aIndex) const |
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233 { |
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234 iCertChainIndices.Append(aIndex); |
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235 } |
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236 |
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237 EXPORT_C void CController::ClearCertChainIndices() const |
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238 { |
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239 iCertChainIndices.Reset(); |
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240 } |
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241 |
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242 EXPORT_C void CController::SetCertChainConstraints(CCertChainConstraints* aConstraints) |
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243 { |
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244 // Delete existing cert chain constraints object. |
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245 delete iCertChainConstraints; |
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246 iCertChainConstraints=aConstraints; |
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247 } |
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248 |
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249 EXPORT_C TInt CController::RemoveWithLastDependent() const |
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250 { |
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251 return iRemoveWithLastDependent; |
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252 } |
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253 |
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254 EXPORT_C void CController::SetRemoveWithLastDependent() |
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255 { |
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256 iRemoveWithLastDependent = 1; |
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257 } |
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258 |
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259 |
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260 EXPORT_C CMessageDigest* CController::GenerateControllerHashLC(const TDesC8& aController) |
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261 { |
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262 TInt64 infoLength = iInfo->Length() + iInfo->HeaderSize() + iInfo->PaddingSize(); |
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263 TInt64 installBLength = iInstallBlock->Length() + iInstallBlock->HeaderSize() + iInstallBlock->PaddingSize(); |
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264 TInt64 supportLLength = iLanguages->Length() + iLanguages->HeaderSize() + iLanguages->PaddingSize(); |
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265 TInt64 supportOLength = iSupportedOptions->Length() + iSupportedOptions->HeaderSize() + iSupportedOptions->PaddingSize(); |
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266 TInt64 propertiesLength = iProperties->Length() + iProperties->HeaderSize() + iProperties->PaddingSize(); |
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267 TInt64 prerequisitesLength = iPrerequisites->Length() + iPrerequisites->HeaderSize() + iPrerequisites->PaddingSize(); |
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268 TInt64 logoLength = 0; |
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269 |
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270 if (iLogo) |
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271 { |
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272 logoLength = iLogo->Length() + iLogo->HeaderSize() + iLogo->PaddingSize(); |
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273 } |
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274 |
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275 TInt64 controllerLength = 0; |
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276 controllerLength = infoLength + installBLength + supportLLength + supportOLength + propertiesLength + prerequisitesLength + logoLength; |
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277 |
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278 // Length octets are either 4 or 8 bytes but since controllers are loaded into |
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279 // bytes should ALWAYS be sufficient. |
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280 TInt offset = 4; |
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281 |
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282 // Should really modify the length and not the offset skipping the length octets. |
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283 // This makes the controller hash independent of the signature chains. |
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284 // |
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285 // Unfortunately, this is fixed and changing it potentially breaks compatibility |
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286 // E.g. If the firmware is upgraded without reformatting the system drive then SWI |
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287 // may think that an application on removable media has not been installed. |
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288 controllerLength += (Length() > 0x80000000 ? 8 : 4); |
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289 |
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290 DEBUG_PRINTF4(_L8("GenerateControllerHashLC aController.Length()=%d, offset=%d, controllerLength=%d"), |
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291 aController.Length(), offset, controllerLength); |
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292 |
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293 if (offset + controllerLength >= aController.Length()) |
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294 { |
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295 // Mid will panic if the lengths are outside the buffer. |
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296 User::Leave(KErrCorrupt); |
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297 } |
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298 TPtrC8 ptr; |
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299 ptr.Set(aController.Mid(offset, controllerLength)); |
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300 |
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301 CMessageDigest* digest = CMessageDigestFactory::NewDigestLC(CMessageDigest::ESHA1); |
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302 digest->Update(ptr); |
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303 |
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304 return digest; |
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305 } |