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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // f32\sfile\sf_lwins.cpp |
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15 // |
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16 // |
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17 |
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18 #include "sf_std.h" |
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19 #include <f32image.h> |
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20 #include "sf_image.h" |
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21 #include <e32uid.h> |
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22 #include <emulator.h> |
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23 #include <e32wins.h> |
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24 #include <stdlib.h> |
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25 #include <hal.h> |
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26 |
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27 _LIT(KDirSystemPrograms,"\\System\\Programs\\"); |
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28 _LIT(KDirSystemLibs,"\\System\\Libs\\"); |
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29 _LIT8(KRomSystemLibs,"z:\\system\\libs\\"); |
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30 |
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31 _LIT(KDirSysBin,"\\sys\\bin\\"); |
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32 _LIT8(KRomSysBin,"z:\\sys\\bin\\"); |
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33 _LIT(KDirSystemBin,"\\System\\Bin\\"); |
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34 _LIT8(KRomSystemBin,"z:\\system\\Bin\\"); |
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35 |
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36 #ifdef _DEBUG |
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37 extern TRequestStatus* ProcessDestructStatPtr; |
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38 extern TBool ProcessCreated; |
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39 #endif |
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40 |
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41 |
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42 /****************************************************************************** |
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43 * Executable file find routines for WINS |
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44 ******************************************************************************/ |
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45 |
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46 TInt GetPEInfo(TProcessCreateInfo& aInfo) |
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47 // |
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48 // Extract the Uids, etc from the PE file |
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49 // |
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50 { |
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51 TBuf<MAX_PATH> ifilename; |
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52 ifilename.Copy(aInfo.iFileName); |
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53 TBuf<MAX_PATH> filename; |
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54 TInt r = MapEmulatedFileName(filename, ifilename); |
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55 if (r == KErrNone) |
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56 { |
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57 Emulator::RImageFile pefile; |
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58 r = pefile.Open(filename.PtrZ()); |
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59 if (r == KErrNone) |
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60 { |
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61 pefile.GetInfo(aInfo); |
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62 // Overide capabilities in image |
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63 for(TInt i=0; i<SCapabilitySet::ENCapW; i++) |
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64 { |
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65 aInfo.iS.iCaps[i] |= DisabledCapabilities[i]; |
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66 aInfo.iS.iCaps[i] &= AllCapabilities[i]; |
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67 } |
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68 pefile.Close(); |
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69 } |
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70 } |
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71 return r; |
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72 } |
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73 |
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74 TBool CheckIsDirectoryName(TProcessCreateInfo& aInfo) |
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75 // |
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76 // Attempt to get file attributes from Windows if attributes can't be found |
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77 // just assume not a directory otherwise check the directory bit |
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78 // Only intended for use by FindBin, FindDll and FindExe |
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79 // |
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80 { |
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81 TBuf<MAX_PATH> ifilename; |
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82 ifilename.Copy(aInfo.iFileName); |
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83 TBuf<MAX_PATH> filename; |
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84 if (MapEmulatedFileName(filename, ifilename) != KErrNone) |
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85 return EFalse; // just return EFalse as the error will be picked up later |
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86 |
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87 DWORD attr = Emulator::GetFileAttributes(filename.PtrZ()); |
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88 if (attr != -1 && (attr & FILE_ATTRIBUTE_DIRECTORY)) |
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89 return ETrue; |
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90 return EFalse; |
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91 } |
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92 |
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93 TInt FindBin(E32Image& aImage) |
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94 // |
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95 // WINS find Binary in system bin |
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96 // System directories on all drives Y-A,Z |
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97 // |
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98 { |
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99 __IF_DEBUG(Printf("FindBin")); |
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100 |
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101 TInt len=aImage.iFileName.Length(); |
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102 // check if it's a bare drive letter with no path |
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103 if (len>=3 && aImage.iFileName[1]==':' && aImage.iFileName[2]!='\\') |
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104 { |
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105 if (len + KRomSysBin().Length()-2 <= aImage.iFileName.MaxLength()) |
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106 aImage.iFileName.Insert(2,KRomSysBin().Mid(2)); |
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107 } |
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108 |
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109 // Ensure consistent error codes with h/w, see DEF092502 |
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110 // Unlike Symbian on h/w targets, on Windows searching |
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111 // for a driectory, including "." and "..", will return KErrorAccessDenied |
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112 if (CheckIsDirectoryName(aImage)) |
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113 return KErrNotFound; |
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114 |
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115 // first try and find it in the given directory |
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116 TInt r=GetPEInfo(aImage); |
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117 |
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118 // Next : if looking at z:\sys\bin then look for it in emulator path |
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119 if (r == KErrNotFound || r == KErrPathNotFound) |
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120 { |
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121 if (aImage.iFileName.FindF(KRomSysBin) == 0) |
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122 { |
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123 aImage.iFileName.Delete(0, KRomSysBin().Length()); |
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124 r = GetPEInfo(aImage); |
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125 } |
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126 |
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127 if (r==KErrNotFound || r == KErrPathNotFound) |
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128 { |
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129 // Now try finding it in the EPOC scheme of things |
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130 TBuf<MAX_PATH> ifilename; |
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131 ifilename.Copy(aImage.iFileName); |
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132 TFindFile ff(gTheLoaderFs); |
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133 r=ff.FindByDir(ifilename,KDirSysBin); |
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134 if (r==KErrNone) |
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135 { |
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136 aImage.iFileName.Copy(ff.File()); |
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137 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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138 r=GetPEInfo(aImage); |
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139 } |
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140 else |
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141 { |
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142 // Last chance look in emulator path for driveless things |
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143 if (aImage.iFileName.FindF(KRomSysBin().Mid(2)) == 0) |
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144 { |
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145 aImage.iFileName.Delete(0, KRomSysBin().Length()-2); |
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146 r = GetPEInfo(aImage); |
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147 } |
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148 else |
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149 { |
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150 __IF_DEBUG(Printf("Filename %S not found in ?:\\sys\\bin",&aImage.iFileName)); |
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151 r=KErrNotFound; |
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152 } |
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153 } |
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154 } |
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155 } |
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156 |
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157 if(PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
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158 return r; |
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159 |
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160 // Next : if looking at z:\system\bin then look for it in emulator path |
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161 if (r == KErrNotFound || r == KErrPathNotFound) |
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162 { |
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163 if (aImage.iFileName.FindF(KRomSystemBin) == 0) |
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164 { |
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165 aImage.iFileName.Delete(0, KRomSystemBin().Length()); |
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166 r = GetPEInfo(aImage); |
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167 } |
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168 |
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169 if (r==KErrNotFound || r == KErrPathNotFound) |
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170 { |
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171 // Now try finding it in the EPOC scheme of things |
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172 TBuf<MAX_PATH> ifilename; |
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173 ifilename.Copy(aImage.iFileName); |
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174 TFindFile ff(gTheLoaderFs); |
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175 r=ff.FindByDir(ifilename,KDirSystemBin); |
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176 if (r==KErrNone) |
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177 { |
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178 aImage.iFileName.Copy(ff.File()); |
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179 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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180 r=GetPEInfo(aImage); |
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181 } |
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182 else |
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183 { |
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184 __IF_DEBUG(Printf("Filename %S not found",&aImage.iFileName)); |
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185 r=KErrNotFound; |
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186 } |
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187 } |
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188 } |
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189 return r; |
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190 } |
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191 |
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192 |
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193 TInt FindExe(E32Image& aImage) |
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194 // |
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195 // WINS find executable |
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196 // System directories on all drives Y-A,Z |
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197 // |
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198 { |
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199 __IF_DEBUG(Printf("FindExe")); |
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200 |
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201 TInt len = aImage.iFileName.Length(); |
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202 // check if it's a bare drive letter with no path |
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203 if (len >= 3 && aImage.iFileName[1]==':' && aImage.iFileName[2]!='\\') |
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204 { |
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205 if (len + KRomSysBin().Length()-2 <= aImage.iFileName.MaxLength()) |
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206 aImage.iFileName.Insert(2,KRomSysBin().Mid(2)); |
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207 } |
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208 // Ensure consistent error codes with h/w, see DEF092502 |
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209 // Unlike Symbian on h/w targets, on Windows searching |
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210 // for a driectory, including "." and "..", will return KErrorAccessDenied |
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211 if (CheckIsDirectoryName(aImage)) |
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212 return KErrNotFound; |
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213 |
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214 // first try and find it in the given directory |
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215 TInt r=GetPEInfo(aImage); |
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216 |
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217 // Next : if looking at z:\sys\bin then look for it in emulator path |
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218 if (r == KErrNotFound || r == KErrPathNotFound) |
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219 { |
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220 if (aImage.iFileName.FindF(KRomSysBin) == 0) |
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221 { |
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222 aImage.iFileName.Delete(0, KRomSysBin().Length()); |
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223 r = GetPEInfo(aImage); |
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224 } |
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225 |
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226 if (r==KErrNotFound || r == KErrPathNotFound) |
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227 { |
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228 // Now try finding it in the EPOC scheme of things |
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229 TBuf<MAX_PATH> ifilename; |
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230 ifilename.Copy(aImage.iFileName); |
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231 TFindFile ff(gTheLoaderFs); |
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232 r=ff.FindByDir(ifilename,KDirSysBin); |
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233 if (r==KErrNone) |
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234 { |
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235 aImage.iFileName.Copy(ff.File()); |
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236 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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237 r=GetPEInfo(aImage); |
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238 } |
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239 else |
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240 { |
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241 __IF_DEBUG(Printf("Filename %S not found in ?:\\sys\\bin",&aImage.iFileName)); |
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242 r=KErrNotFound; |
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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 if(PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
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248 return r; |
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249 |
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250 // Next : if looking at z:\system\libs then look for it in emulator path |
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251 if (r == KErrNotFound || r == KErrPathNotFound) |
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252 { |
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253 if (aImage.iFileName.FindF(KRomSystemLibs) == 0) |
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254 { |
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255 aImage.iFileName.Delete(0, KRomSystemLibs().Length()); |
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256 r = GetPEInfo(aImage); |
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257 } |
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258 |
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259 if (r==KErrNotFound || r == KErrPathNotFound) |
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260 { |
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261 // Now try finding it in the EPOC scheme of things |
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262 TBuf<MAX_PATH> ifilename; |
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263 ifilename.Copy(aImage.iFileName); |
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264 TFindFile ff(gTheLoaderFs); |
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265 r=ff.FindByDir(ifilename,KDirSystemPrograms); |
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266 if (r==KErrNone) |
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267 { |
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268 aImage.iFileName.Copy(ff.File()); |
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269 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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270 r=GetPEInfo(aImage); |
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271 } |
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272 else |
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273 { |
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274 __IF_DEBUG(Printf("Filename %S not found",&aImage.iFileName)); |
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275 r=KErrNotFound; |
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276 } |
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277 } |
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278 } |
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279 return r; |
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280 } |
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281 |
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282 // WINS FindDll |
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283 TInt FindDll(E32Image& aImage, const TDesC8* aPath) |
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284 // |
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285 // Search for a dll in the following sequence ... |
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286 // 1. Supplied path parameter |
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287 // 2. System directories on all drives |
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288 // |
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289 { |
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290 |
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291 TInt len = aImage.iFileName.Length(); |
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292 // check if it's a bare drive letter with no path |
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293 if (len >=3 && aImage.iFileName[1]==':' && aImage.iFileName[2]!='\\') |
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294 { |
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295 if (len + KRomSysBin().Length()-2 <= aImage.iFileName.MaxLength()) |
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296 aImage.iFileName.Insert(2,KRomSysBin().Mid(2)); |
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297 } |
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298 |
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299 // Ensure consistent error codes with h/w, see DEF092502 |
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300 // Unlike Symbian on h/w targets, on Windows searching |
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301 // for a driectory, including "." and "..", will return KErrorAccessDenied |
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302 if (CheckIsDirectoryName(aImage)) |
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303 return KErrNotFound; |
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304 |
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305 TInt r=GetPEInfo(aImage); |
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306 |
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307 // Next : if looking at z:\system\libs then look for it in emulator path |
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308 if (r == KErrNotFound || r == KErrPathNotFound) |
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309 { |
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310 if (aImage.iFileName.FindF(KRomSysBin) == 0) |
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311 { |
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312 aImage.iFileName.Delete(0, KRomSysBin().Length()); |
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313 r = GetPEInfo(aImage); |
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314 } |
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315 |
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316 if(!PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
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317 if (r == KErrNotFound || r == KErrPathNotFound) |
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318 if (aImage.iFileName.FindF(KRomSystemLibs) == 0) |
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319 { |
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320 aImage.iFileName.Delete(0, KRomSystemLibs().Length()); |
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321 r = GetPEInfo(aImage); |
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322 } |
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323 |
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324 TBuf<MAX_PATH> ifilename; |
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325 ifilename.Copy(aImage.iFileName); |
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326 if (r==KErrNotFound || r == KErrPathNotFound) |
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327 { |
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328 // Now try finding it in the EPOC scheme of things |
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329 TFindFile ff(gTheLoaderFs); |
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330 __IF_DEBUG(Printf("FindDll aDllName %S, aPath %S",&aImage.iFileName,aPath?aPath:&KNullDesC8)); |
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331 if (aPath && aPath->Length()!=0) |
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332 { |
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333 TBuf<MAX_PATH> ipath; |
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334 ipath.Copy(*aPath); |
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335 r=ff.FindByPath(ifilename, &ipath); |
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336 if (r==KErrNone) |
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337 { |
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338 aImage.iFileName.Copy(ff.File()); |
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339 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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340 r=GetPEInfo(aImage); |
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341 } |
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342 } |
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343 |
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344 if (r!=KErrNone) |
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345 { |
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346 r=ff.FindByDir(ifilename,KDirSysBin); |
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347 if (r==KErrNone) |
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348 { |
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349 aImage.iFileName.Copy(ff.File()); |
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350 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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351 r=GetPEInfo(aImage); |
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352 } |
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353 } |
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354 |
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355 if(!PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
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356 if (r!=KErrNone) |
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357 { |
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358 r=ff.FindByDir(ifilename,KDirSystemLibs); |
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359 if (r==KErrNone) |
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360 { |
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361 aImage.iFileName.Copy(ff.File()); |
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362 __IF_DEBUG(Printf("Found file %S",&aImage.iFileName)); |
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363 r=GetPEInfo(aImage); |
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364 } |
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365 } |
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366 |
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367 if(r!=KErrNone) |
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368 { |
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369 __IF_DEBUG(Printf("Filename %S not found",&aImage.iFileName)); |
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370 r=KErrNotFound; |
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371 } |
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372 } |
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373 } |
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374 return r; |
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375 } |
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376 |
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377 /****************************************************************************** |
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378 * WINS specific E32Image functions |
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379 ******************************************************************************/ |
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380 |
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381 TInt E32Image::ProcessFileName() |
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382 // |
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383 // Get the properly capitalised file name and root name |
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384 // |
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385 { |
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386 |
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387 TFileNameInfo fni; |
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388 TInt r = fni.Set(iFileName, 0); |
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389 if (r!=KErrNone) |
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390 return r; |
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391 iRootNameOffset = fni.iBasePos; |
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392 iRootNameLength = fni.iLen - fni.iBasePos; |
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393 iExtOffset = fni.iExtPos; |
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394 // TBuf<MAX_PATH> filename; |
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395 // TInt r=MapEmulatedFileName(filename, iFileName); |
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396 // if (r!=KErrNone) |
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397 // return r; |
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398 // WIN32_FIND_DATA w32fd; |
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399 // HANDLE h=Emulator::FindFirstFile(filename.PtrZ(), &w32fd); |
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400 // if (h==0) |
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401 // return Emulator::LastError(); |
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402 // TPtrC real_filename((const TText*)&w32fd.cFileName[0]); |
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403 // FindClose(h); |
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404 // iFileName.SetLength(slash+1); |
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405 // iFileName+=real_filename; |
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406 __IF_DEBUG(Printf("ProcessFileName: %S,%d,%d,%d",&iFileName,iRootNameOffset,iRootNameLength,iExtOffset)); |
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407 return KErrNone; |
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408 } |
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409 |
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410 TInt E32Image::LoadProcess(const RLdrReq& aReq) |
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411 { |
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412 __IF_DEBUG(Printf("E32Image::LoadProcess %S",&aReq.iFileName)); |
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413 |
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414 iFileName=*aReq.iFileName; |
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415 TInt r=FindExe(*this); |
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416 if (r!=KErrNone) |
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417 r=FindBin(*this); |
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418 if (r==KErrNone) |
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419 r=ProcessFileName(); |
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420 if (r==KErrNone) |
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421 r=CheckUids(iUids, aReq.iRequestedUids); |
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422 if (r!=KErrNone) |
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423 return r; |
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424 r = aReq.iMsg->Client((RThread&)aReq.iClientThread); |
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425 if (r!=KErrNone) |
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426 return r; |
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427 iClientHandle=aReq.iClientThread.Handle(); |
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428 #ifdef _DEBUG |
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429 iDestructStat = ProcessDestructStatPtr; |
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430 #endif |
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431 iFlags |= EDataUnpaged; // Data paging is not supported on the emulator |
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432 r=E32Loader::ProcessCreate(*this, aReq.iCmd); |
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433 __IF_DEBUG(Printf("Done E32Loader::ProcessCreate %d",r)); |
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434 if (r!=KErrNone) |
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435 return r; |
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436 #ifdef _DEBUG |
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437 ProcessCreated = ETrue; |
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438 #endif |
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439 iClientProcessHandle=iProcessHandle; |
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440 r=E32Loader::ProcessLoaded(*this); |
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441 return r; |
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442 } |
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443 |
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444 // Load a code segment, plus all imports if main loadee |
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445 TInt E32Image::LoadCodeSeg(const RLdrReq& aReq) |
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446 { |
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447 __IF_DEBUG(Printf("E32Image::LoadCodeSeg %S",aReq.iFileName)); |
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448 |
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449 const TDesC8& reqName=*aReq.iFileName; |
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450 const TDesC8* searchPath=aReq.iPath; |
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451 |
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452 iFileName=reqName; |
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453 TInt r=FindDll(*this, searchPath); |
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454 if (r!=KErrNone) |
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455 r=FindBin(*this); |
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456 // Hack to support EXEDLLs which are DLLs but have EXE file extentions |
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457 if(r==KErrNotFound) |
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458 { |
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459 if(iFileName.Right(4).CompareF(_L8(".DLL"))==0) |
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460 { |
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461 TUint8* p = (TUint8*)iFileName.Ptr() + iFileName.Length() - 3; |
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462 *p++ = 'E'; |
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463 *p++ = 'X'; |
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464 *p++ = 'E'; |
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465 r=FindDll(*this, searchPath); |
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466 if (r!=KErrNone) |
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467 r=FindBin(*this); |
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468 } |
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469 } |
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470 if (r==KErrNone) |
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471 r=ProcessFileName(); |
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472 if (r==KErrNone) |
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473 r=CheckUids(iUids, aReq.iRequestedUids); |
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474 |
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475 if(r==KErrNone) |
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476 { |
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477 if(this == iMain) |
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478 { |
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479 // Check that we can legally load the DLL into the process |
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480 r=aReq.CheckSecInfo(iS); |
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481 } |
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482 } |
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483 if (r!=KErrNone) |
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484 return r; |
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485 |
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486 __IF_DEBUG(Printf("Checking uids for %S", &iFileName)); |
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487 if (iUids[0]!=KDynamicLibraryUid && iUids[0]!=KExecutableImageUid) |
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488 return KErrNotSupported; |
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489 r=CheckAlreadyLoaded(); |
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490 if (r!=KErrNone || iAlreadyLoaded) |
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491 { |
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492 __IF_DEBUG(Printf("<LoadCodeSeg AlreadyLoaded %d",r)); |
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493 return r; // already loaded, either share or give up |
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494 } |
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495 __IF_DEBUG(Printf("CodeSeg create")); |
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496 r=E32Loader::CodeSegCreate(*this); |
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497 if (r==KErrNone) |
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498 r=E32Loader::CodeSegLoaded(*this); |
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499 |
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500 __IF_DEBUG(Printf("<LoadCodeSeg, r=%d",r)); |
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501 return r; |
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502 } |
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503 |
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504 //__DATA_CAGING__ |
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505 TInt ReadCapabilities(RLdrReq& aReq) |
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506 // |
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507 // Wins version |
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508 // |
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509 { |
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510 E32Image* e=new E32Image; |
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511 if (!e) |
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512 return KErrNoMemory; |
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513 e->iMain=e; |
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514 e->iFileName=*aReq.iFileName; |
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515 TInt r=GetPEInfo(*e); |
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516 if (r==KErrNotFound || r == KErrPathNotFound) |
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517 { |
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518 // z:\sys\bin\* may be found in emulator path |
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519 if (e->iFileName.FindF(KRomSysBin) == 0) |
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520 { |
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521 e->iFileName.Delete(0, KRomSysBin().Length()); |
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522 r = GetPEInfo(*e); |
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523 } |
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524 } |
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525 |
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526 if(!PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
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527 if (r==KErrNotFound || r == KErrPathNotFound) |
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528 { |
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529 // z:\system\bin\* may be found in emulator path |
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530 if (e->iFileName.FindF(KRomSystemBin) == 0) |
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531 { |
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532 e->iFileName.Delete(0, KRomSystemBin().Length()); |
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533 r = GetPEInfo(*e); |
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534 } |
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535 } |
|
536 TPtrC8 caps((const TUint8*)&e->iS.iCaps, sizeof(e->iS.iCaps)); |
|
537 if (r==KErrNone) |
|
538 r=aReq.iMsg->Write(2, caps); |
|
539 delete e; |
|
540 return r; |
|
541 } |
|
542 |
|
543 TInt GetModuleInfo(RLdrReq& aReq) |
|
544 // |
|
545 // Read capabilities from file found |
|
546 // |
|
547 { |
|
548 __IF_DEBUG(Printf("ReadModuleInfo %S",aReq.iFileName)); |
|
549 TFileNameInfo& fi = aReq.iFileNameInfo; |
|
550 TInt r = KErrNotSupported; |
|
551 |
|
552 // must specify a fully qualified name |
|
553 if (fi.DriveLen() && fi.PathLen()) |
|
554 { |
|
555 E32Image* e=new E32Image; |
|
556 if (!e) |
|
557 return KErrNoMemory; |
|
558 e->iMain = e; |
|
559 e->iFileName = *aReq.iFileName; |
|
560 r = GetPEInfo(*e); |
|
561 if (r==KErrNotFound || r == KErrPathNotFound) |
|
562 { |
|
563 // z:\system\bin\* may be found in emulator path |
|
564 if (e->iFileName.FindF(KRomSysBin) == 0) |
|
565 { |
|
566 e->iFileName.Delete(0, KRomSysBin().Length()); |
|
567 r = GetPEInfo(*e); |
|
568 } |
|
569 |
|
570 if(!PlatSec::ConfigSetting(PlatSec::EPlatSecEnforceSysBin)) |
|
571 if(r!=KErrNone) |
|
572 if (e->iFileName.FindF(KRomSystemBin) == 0) |
|
573 { |
|
574 e->iFileName.Delete(0, KRomSystemBin().Length()); |
|
575 r = GetPEInfo(*e); |
|
576 } |
|
577 } |
|
578 if (r == KErrNone) |
|
579 { |
|
580 RLibrary::TInfo ret_info; |
|
581 memclr(&ret_info,sizeof(ret_info)); |
|
582 ret_info.iModuleVersion = e->iModuleVersion; |
|
583 ret_info.iUids = e->iUids; |
|
584 *(SSecurityInfo*)&ret_info.iSecurityInfo = e->iS; |
|
585 TPckgC<RLibrary::TInfo> ret_pckg(ret_info); |
|
586 r = aReq.iMsg->Write(2, ret_pckg); |
|
587 } |
|
588 delete e; |
|
589 } |
|
590 return r; |
|
591 } |
|
592 |
|
593 TInt GetInfoFromHeader(const RLoaderMsg& /*aMsg*/) |
|
594 { |
|
595 TInt r; |
|
596 r = KErrNotSupported; |
|
597 return r; |
|
598 } |
|
599 |
|
600 |
|
601 |