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1 // Copyright (c) 2006-2009 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 // \f32test\loader\t_loader_delete.cpp |
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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 #include <e32test.h> |
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20 #include <f32file.h> |
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21 |
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22 #include "t_loader_delete.h" |
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23 |
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24 static RTest test(_L("t_loader_delete")); |
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25 |
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26 // helper functions |
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27 static void TestWithCaps(TUint32 aCaps, TInt aExpectedError); |
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28 static void TestWithCaps(TUint32 aCaps, TInt aExpectedError, const TDesC& aFileName); |
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29 static void SetHelperCaps(TUint32 aCaps); |
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30 static void CreateTestFile(RFs& aFs, const TDesC& aTestFile); |
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31 static void RunHelper(const TDesC& aFileToDelete, TInt aExpectedError); |
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32 |
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33 static void TestWithCaps(TUint32 aCaps, TInt aExpectedError) |
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34 /** |
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35 Test calling RLoader::Delete from a process with the supplied capabilities. |
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36 |
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37 @param aCapMask Capabilities of process which calls RLoader::Delete. |
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38 @param aExpectedError Expected error reason. The launched executable is expected |
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39 to panic with category KTldPanicCat and this reason, which |
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40 is the expected return code from RLoader::Delete. |
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41 */ |
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42 { |
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43 TestWithCaps(aCaps, aExpectedError, KTldTcbFile); |
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44 TestWithCaps(aCaps, aExpectedError, KTldAllFilesFile); |
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45 |
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46 // the following function function calls should fail with either |
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47 // KErrPermissionDenied if this process is not TCB+AllFiles, or with KErrBadName |
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48 // because the filename is not fully qualified. |
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49 TBool pdExp = (aExpectedError == KErrPermissionDenied); |
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50 |
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51 // test filenames which are not fully qualified |
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52 TInt remapErr = pdExp ? KErrPermissionDenied : KErrBadName; |
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53 TestWithCaps(aCaps, remapErr, KTldFileNoPath); |
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54 TestWithCaps(aCaps, remapErr, KTldFileNoDrive); |
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55 |
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56 // test cannot delete non-existent file |
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57 TInt rootNonExistErr = pdExp ? KErrPermissionDenied : KErrNotFound; |
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58 TestWithCaps(aCaps, rootNonExistErr, KTldFileNonExistRoot); |
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59 TInt dirNonExistErr = pdExp ? KErrPermissionDenied : KErrPathNotFound; |
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60 TestWithCaps(aCaps, dirNonExistErr, KTldFileNonExistDir); |
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61 } |
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62 |
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63 static void TestWithCaps(TUint32 aCaps, TInt aExpectedError, const TDesC& aFileName) |
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64 /** |
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65 Helper function for TestWithCaps(TUint32, TInt). This function invokes |
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66 a helper executable with the supplied capabilities and tells it to delete |
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67 the supplied filename. |
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68 |
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69 @param aCapMask Capabilities of process which calls RLoader::Delete. |
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70 @param aExpectedError Expected error reason. The launched executable is expected |
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71 to panic with category KTldPanicCat and this reason, which |
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72 is the expected return code from RLoader::Delete. |
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73 @param aFileName The helper executable is told to delete this file. |
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74 */ |
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75 { |
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76 test.Printf( |
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77 _L("TestWithCaps,aCaps=0x%x,aExpectedError=%d,aFileName=\"%S\"\n"), |
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78 aCaps, aExpectedError, &aFileName); |
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79 |
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80 TInt r; |
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81 |
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82 // create the file to delete |
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83 RFs fs; |
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84 r = fs.Connect(); |
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85 test(r == KErrNone); |
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86 |
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87 // if this file is expected to exist then create it |
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88 TPtrC dirName; |
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89 TBool shouldExist = (aFileName == KTldTcbFile || aFileName == KTldAllFilesFile); |
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90 if (shouldExist) |
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91 { |
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92 TParsePtrC pp(aFileName); |
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93 dirName.Set(pp.DriveAndPath()); |
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94 r = fs.MkDirAll(dirName); |
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95 test(r == KErrNone || r == KErrAlreadyExists); |
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96 CreateTestFile(fs, aFileName); |
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97 } |
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98 |
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99 SetHelperCaps(aCaps); |
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100 RunHelper(aFileName, aExpectedError); |
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101 |
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102 if (shouldExist) |
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103 { |
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104 // if the file could not be deleted then delete it now |
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105 TEntry e; |
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106 // a C++ bool for the following equality operator |
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107 bool exists = (fs.Entry(aFileName, e) == KErrNone); |
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108 test(exists == (aExpectedError != KErrNone)); |
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109 |
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110 if (exists) |
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111 { |
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112 r = fs.Delete(aFileName); |
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113 test(r == KErrNone); |
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114 } |
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115 |
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116 // delete the immediate containing directory. The error code is not |
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117 // used because the directory may be used for something else. |
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118 fs.RmDir(dirName); |
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119 } |
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120 |
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121 // delete the generated different-caps file |
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122 r = fs.Delete(_L("c:\\sys\\bin\\tld_helper_caps.exe")); |
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123 test(r == KErrNone); |
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124 r = fs.Delete(_L("c:\\sys\\hash\\tld_helper_caps.exe")); |
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125 test(r == KErrNone || r == KErrNotFound || r == KErrPathNotFound); |
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126 |
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127 fs.Close(); |
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128 } |
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129 |
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130 static void SetHelperCaps(TUint32 aCaps) |
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131 /** |
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132 Create an instance of the helper executable, tld_helper.exe, |
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133 with the supplied capabilities. |
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134 */ |
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135 { |
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136 TInt r; |
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137 _LIT(KCommandLineArgsFormat, "tld_helper.exe %x c:\\sys\\bin\\tld_helper_caps.exe"); |
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138 TBuf<128> cmdLine; |
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139 cmdLine.Format(KCommandLineArgsFormat, aCaps); |
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140 |
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141 RProcess p; |
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142 r = p.Create(_L("setcap.exe"), cmdLine); |
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143 test(r == KErrNone); |
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144 |
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145 TRequestStatus rs; |
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146 p.Logon(rs); |
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147 test(rs == KRequestPending); |
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148 p.Resume(); |
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149 User::WaitForRequest(rs); |
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150 |
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151 p.Close(); |
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152 } |
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153 |
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154 static void CreateTestFile(RFs& aFs, const TDesC& aTestFile) |
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155 /** |
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156 Create an empty file with the supplied name. This function is used |
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157 to create file which can be deleted with RLoader::Delete. |
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158 |
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159 @param aFs Open file server session. |
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160 @param aTestFile The test file's name. |
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161 */ |
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162 { |
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163 TInt r; |
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164 |
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165 RFile f; |
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166 r = f.Replace(aFs, aTestFile, EFileWrite | EFileStream | EFileShareExclusive); |
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167 test(r == KErrNone); |
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168 f.Close(); |
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169 } |
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170 |
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171 static void RunHelper(const TDesC& aFileToDelete, TInt aExpectedError) |
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172 /** |
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173 Invoke the helper executable, tell it to delete the supplied file. |
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174 |
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175 @param aFileToDelete Name of file which helper executable should delete |
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176 with RLoader::Delete. |
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177 @param aExpectedError The expected return code from RLoader::Delete. |
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178 */ |
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179 { |
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180 TInt r; |
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181 |
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182 // run the helper exe, which will try to delete the file with RLoader::Delete |
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183 RProcess ph; |
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184 r = ph.Create(_L("tld_helper_caps.exe"), aFileToDelete); |
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185 test(r == KErrNone); |
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186 |
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187 TRequestStatus rsh; |
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188 ph.Logon(rsh); |
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189 test(rsh == KRequestPending); |
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190 ph.Resume(); |
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191 User::WaitForRequest(rsh); |
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192 |
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193 // process has died so check the panic category and reason match the expected values |
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194 test(ph.ExitType() == EExitPanic); |
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195 test(ph.ExitCategory() == KTldPanicCat); |
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196 test(ph.ExitReason() == aExpectedError); |
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197 |
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198 ph.Close(); |
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199 } |
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200 |
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201 TInt E32Main() |
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202 /** |
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203 Executable entrypoint calls test functions within heap check. |
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204 */ |
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205 { |
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206 test.Title(); |
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207 test.Start(_L("Testing RLoader::Delete")); |
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208 |
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209 __UHEAP_MARK; |
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210 const TUint32 KTcbMask = 1UL << ECapabilityTCB; |
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211 const TUint32 KAllFilesMask = 1UL << ECapabilityAllFiles; |
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212 |
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213 //Check whether RLoader::Delete handles the case of a bad descriptor being passed |
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214 //as the filename( KBadDescriptor is not itself the malformed desciptor but |
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215 //it trigers the check) |
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216 TestWithCaps(KTcbMask | KAllFilesMask , KErrBadDescriptor, KBadDescriptor); |
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217 |
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218 // TCB | AllFiles sufficient without any other caps |
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219 TestWithCaps(KTcbMask | KAllFilesMask, KErrNone); |
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220 // TCB necessary |
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221 TestWithCaps(~KTcbMask, KErrPermissionDenied); |
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222 // AllFiles necessary |
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223 TestWithCaps(~KAllFilesMask, KErrPermissionDenied); |
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224 // neither TCB nor AllFiles |
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225 TestWithCaps(~(KTcbMask | KAllFilesMask), KErrPermissionDenied); |
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226 TestWithCaps(0, KErrPermissionDenied); |
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227 __UHEAP_MARKEND; |
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228 |
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229 test.End(); |
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230 return KErrNone; |
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231 } |
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232 |
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233 |