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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// f32test\loader\security\t_fuzzldr.cpp
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//
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//
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#define __E32TEST_EXTENSION__
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#include <e32test.h>
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#include <e32uid.h>
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#include <f32file.h>
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#include <f32image.h>
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#include "t_hash.h"
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// Fuzzing parameters
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const TInt KFuzzImages = 5;
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const TInt KRandomFieldIterations = 8;
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const TTimeIntervalMicroSeconds32 KDllTimeout = 10 * 1000000;
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#define FUZZFIELD(OBJ, NAME) { (const TText*)(L ## #OBJ L"." L ## #NAME), sizeof(((OBJ*)8)->NAME), _FOFF(OBJ, NAME) }
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#define DUMBFIELD(NAME, SIZE, OFFSET) { (const TText*)L ## NAME, SIZE, OFFSET }
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#define FUZZEND { NULL, 0, 0 }
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struct SFuzzField
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{
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const TText* name;
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TInt size;
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TInt offset;
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};
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const SFuzzField HeaderFields[] =
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{
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FUZZFIELD(E32ImageHeaderV, iUid1),
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FUZZFIELD(E32ImageHeaderV, iUid2),
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FUZZFIELD(E32ImageHeaderV, iUid3),
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FUZZFIELD(E32ImageHeaderV, iUidChecksum),
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FUZZFIELD(E32ImageHeaderV, iSignature),
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FUZZFIELD(E32ImageHeaderV, iHeaderCrc),
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FUZZFIELD(E32ImageHeaderV, iModuleVersion),
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FUZZFIELD(E32ImageHeaderV, iCompressionType),
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FUZZFIELD(E32ImageHeaderV, iToolsVersion.iMajor),
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FUZZFIELD(E32ImageHeaderV, iToolsVersion.iMinor),
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FUZZFIELD(E32ImageHeaderV, iToolsVersion.iBuild),
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FUZZFIELD(E32ImageHeaderV, iTimeLo),
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FUZZFIELD(E32ImageHeaderV, iTimeHi),
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FUZZFIELD(E32ImageHeaderV, iFlags),
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FUZZFIELD(E32ImageHeaderV, iCodeSize),
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FUZZFIELD(E32ImageHeaderV, iDataSize),
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FUZZFIELD(E32ImageHeaderV, iHeapSizeMin),
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FUZZFIELD(E32ImageHeaderV, iHeapSizeMax),
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FUZZFIELD(E32ImageHeaderV, iStackSize),
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FUZZFIELD(E32ImageHeaderV, iBssSize),
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FUZZFIELD(E32ImageHeaderV, iEntryPoint),
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FUZZFIELD(E32ImageHeaderV, iCodeBase),
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FUZZFIELD(E32ImageHeaderV, iDataBase),
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FUZZFIELD(E32ImageHeaderV, iDllRefTableCount),
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FUZZFIELD(E32ImageHeaderV, iExportDirOffset),
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FUZZFIELD(E32ImageHeaderV, iExportDirCount),
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FUZZFIELD(E32ImageHeaderV, iTextSize),
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FUZZFIELD(E32ImageHeaderV, iCodeOffset),
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FUZZFIELD(E32ImageHeaderV, iDataOffset),
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FUZZFIELD(E32ImageHeaderV, iImportOffset),
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FUZZFIELD(E32ImageHeaderV, iCodeRelocOffset),
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FUZZFIELD(E32ImageHeaderV, iDataRelocOffset),
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FUZZFIELD(E32ImageHeaderV, iProcessPriority),
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FUZZFIELD(E32ImageHeaderV, iCpuIdentifier),
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FUZZFIELD(E32ImageHeaderV, iUncompressedSize),
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FUZZFIELD(E32ImageHeaderV, iS.iSecureId),
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FUZZFIELD(E32ImageHeaderV, iS.iVendorId),
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FUZZFIELD(E32ImageHeaderV, iS.iCaps.iCaps[0]),
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FUZZFIELD(E32ImageHeaderV, iS.iCaps.iCaps[1]),
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FUZZFIELD(E32ImageHeaderV, iExceptionDescriptor),
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FUZZFIELD(E32ImageHeaderV, iSpare2),
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FUZZFIELD(E32ImageHeaderV, iExportDescSize),
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FUZZFIELD(E32ImageHeaderV, iExportDescType),
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FUZZFIELD(E32ImageHeaderV, iExportDesc[0]),
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FUZZEND
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};
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const SFuzzField ImportSectionFields[] =
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{
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FUZZFIELD(E32ImportSection, iSize),
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FUZZEND
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};
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const SFuzzField ImportBlockFields[] =
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{
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FUZZFIELD(E32ImportBlock, iOffsetOfDllName), // we should fuzz the string also
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FUZZFIELD(E32ImportBlock, iNumberOfImports),
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FUZZEND
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};
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const SFuzzField ImportEntryFields[] =
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{
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DUMBFIELD("import", 4, 0),
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FUZZEND
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};
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const SFuzzField RelocSectionFields[] =
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{
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FUZZFIELD(E32RelocSection, iSize),
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FUZZFIELD(E32RelocSection, iNumberOfRelocs),
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FUZZEND
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};
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const SFuzzField RelocBlockFields[] =
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{
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FUZZFIELD(E32RelocBlock, iPageOffset),
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FUZZFIELD(E32RelocBlock, iBlockSize),
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FUZZEND
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};
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const SFuzzField RelocEntryFields[] =
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{
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DUMBFIELD("reloc", 2, 0),
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FUZZEND
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};
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const SFuzzField ExportEntryFields[] =
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{
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DUMBFIELD("export", 4, 0),
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FUZZEND
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};
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const SFuzzField CompressedDataFields[] =
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{
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DUMBFIELD("data1", 4, 0),
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DUMBFIELD("data2", 4, 4),
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DUMBFIELD("data3", 4, 16),
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DUMBFIELD("data4", 4, 64),
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DUMBFIELD("data5", 4, 256),
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DUMBFIELD("data6", 4, 1024),
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DUMBFIELD("data7", 4, 4096),
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FUZZEND
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};
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// Values to try for different sizes, signed here but can be interpreted as either
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// each will also try the smaller sizes' values
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const TInt8 Values8[] = { KMinTInt8, -100, -10, -2, -1, 0, 1, 2, 10, 100, KMaxTInt8 };
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const TInt Values8Count = sizeof(Values8)/sizeof(TInt8);
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const TInt16 Values16[] = { KMinTInt16, -10000, -256, -255, 128, 255, 256, 10000, KMaxTInt16 };
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const TInt Values16Count = sizeof(Values16)/sizeof(TInt16);
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const TInt32 Values32[] = { KMinTInt32, -1000000000, -65536, -65535, 32768, 65535, 65536, 268435455, 268435456, 1000000000, KMaxTInt32 };
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const TInt Values32Count = sizeof(Values32)/sizeof(TInt32);
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const TInt ValuesCount[] = { 0, Values8Count, Values8Count+Values16Count, 0, Values8Count+Values16Count+Values32Count };
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const TInt Offsets[] = { 1, 2, 4, 16, -1, -2, -4, -16 };
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const TInt OffsetsCount = sizeof(Offsets)/sizeof(TInt);
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// Regular boring definitions and stuff
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RTest test(_L("T_FUZZLDR"));
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RFs TheFs;
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CFileMan* FileMan;
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_LIT(KOrigDir, "Z:\\sys\\bin\\");
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_LIT(KSysBin, ":\\sys\\bin\\");
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_LIT(KSysHash, ":\\sys\\hash\\");
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_LIT(KImageName, "fuzzv");
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_LIT(KExeExt, ".exe");
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_LIT(KDllExt, ".dll");
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_LIT(KMyself, "t_fuzzldr");
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_LIT(KSlaveArg, "-l ");
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TFileName Provided;
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TFileName Original;
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TFileName Current;
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TFileName Hash;
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TFileName HashDir;
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TBool LoadDll;
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RFile File;
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RTimer Timer;
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TUint8* Target;
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E32ImageHeaderV* Header;
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E32ImageHeaderV* CleanHeader;
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CSHA1* Hasher;
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TInt FileSize;
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TInt OutFileSize;
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TUint8* CleanFileData;
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TPtr8 CleanFileDes(CleanFileData, 0);
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TUint8* FileData;
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TPtr8 FileDes(FileData, 0);
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TUint8* EndOfFile;
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TChar Drive = '?', InternalDrive = '?', RemovableDrive = '?';
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TBool Verbose;
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TBool Forever = EFalse;
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TUint32 Seed = 0;
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typedef void (*TFieldFuzzer)(const SFuzzField*, TInt);
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enum SetMode {
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ESetLiteral,
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ESetOffset,
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ESetRandom,
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ESetXor,
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};
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enum ValueMode {
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EValLiteral,
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EValOffset,
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EValRandom,
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EValXor,
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EValList,
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EValOffsetList,
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};
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TUint32 Rand()
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{
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Seed *= 69069;
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Seed += 5;
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return Seed;
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}
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TUint32 Rand(TUint32 aLimit)
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{
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TUint64 temp = (TUint64)Rand() * (TUint64)aLimit;
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return (TUint32)(temp>>32);
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}
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void PrepareName(TInt aNum, TBool aDll)
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{
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Original = KOrigDir;
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Original += KImageName;
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Original.AppendNum(aNum);
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Original += aDll ? KDllExt : KExeExt;
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Current.Zero();
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Current.Append(Drive);
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Current += KSysBin;
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Current += KImageName;
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Current.AppendNum(aNum);
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Current += aDll ? KDllExt : KExeExt;
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Hash = HashDir;
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Hash += KImageName;
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Hash.AppendNum(aNum);
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Hash += aDll ? KDllExt : KExeExt;
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}
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void PrepareProvidedName()
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{
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Original = KOrigDir;
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Original += Provided;
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Current.Zero();
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Current.Append(Drive);
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Current += KSysBin;
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Current += Provided;
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Hash = HashDir;
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Hash += Provided;
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}
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void MakeCleanCopy()
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{
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Mem::Copy(FileData, CleanFileData, FileSize);
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}
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void LoadCleanFile()
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{
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test_KErrNone(File.Open(TheFs, Original, EFileRead));
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test_KErrNone(File.Size(FileSize));
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OutFileSize = FileSize;
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CleanFileData = new TUint8[FileSize];
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test_NotNull(CleanFileData);
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FileData = new TUint8[FileSize];
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EndOfFile = FileData + FileSize;
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test_NotNull(FileData);
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CleanFileDes.Set(CleanFileData, 0, FileSize);
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test_KErrNone(File.Read(CleanFileDes));
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File.Close();
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Header = (E32ImageHeaderV*)FileData;
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CleanHeader = (E32ImageHeaderV*)CleanFileData;
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FileDes.Set(FileData, FileSize, FileSize);
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MakeCleanCopy();
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test(CleanHeader->iUid1==(TUint32)KExecutableImageUidValue || CleanHeader->iUid1==(TUint32)KDynamicLibraryUidValue);
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LoadDll = CleanHeader->iUid1==(TUint32)KDynamicLibraryUidValue;
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}
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void DoneFile()
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{
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delete[] FileData;
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delete[] CleanFileData;
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}
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void RecalcChecksums()
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{
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if (Header->iUidChecksum == CleanHeader->iUidChecksum)
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{
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TUidType uids = *(const TUidType*)Header;
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TCheckedUid chkuid(uids);
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const TUint32* pChkUid = (const TUint32*)&chkuid;
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Header->iUidChecksum = pChkUid[3];
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}
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if (Header->iHeaderCrc == CleanHeader->iHeaderCrc)
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{
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Header->iHeaderCrc = KImageCrcInitialiser;
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TUint32 crc = 0;
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Mem::Crc32(crc, Header, sizeof(E32ImageHeaderV));
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Header->iHeaderCrc = crc;
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}
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}
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void Load()
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{
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RecalcChecksums();
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test_KErrNone(File.Replace(TheFs, Current, EFileWrite));
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test_KErrNone(File.Write(FileDes, OutFileSize));
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test_KErrNone(File.Flush());
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File.Close();
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if (Drive == RemovableDrive)
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{
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TPtrC8 data(FileData, OutFileSize);
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Hasher->Reset();
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Hasher->Update(data);
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TBuf8<SHA1_HASH> hashVal = Hasher->Final();
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test_KErrNone(File.Replace(TheFs, Hash, EFileWrite));
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test_KErrNone(File.Write(hashVal));
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test_KErrNone(File.Flush());
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File.Close();
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}
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RProcess p;
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TInt r;
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if (LoadDll)
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{
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TFileName args;
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args.Copy(KSlaveArg);
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args.Append(Current);
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test_KErrNone(p.Create(KMyself, args));
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TRequestStatus logon, rendez, timeout;
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p.Logon(logon);
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p.Rendezvous(rendez);
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p.Resume();
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User::WaitForRequest(rendez);
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|
351 |
test(rendez==KErrNone);
|
|
|
352 |
Timer.After(timeout, KDllTimeout);
|
|
|
353 |
User::WaitForRequest(logon, timeout);
|
|
|
354 |
if (logon == KRequestPending)
|
|
|
355 |
{
|
|
|
356 |
p.Kill(0);
|
|
|
357 |
User::WaitForRequest(logon);
|
|
|
358 |
}
|
|
|
359 |
else
|
|
|
360 |
{
|
|
|
361 |
Timer.Cancel();
|
|
|
362 |
User::WaitForRequest(timeout);
|
|
|
363 |
}
|
|
|
364 |
p.Close();
|
|
|
365 |
// we don't check the return code as passing it back makes the log output
|
|
|
366 |
// super spammy with KPANIC on - it prints for every nonzero return code.
|
|
|
367 |
if (Verbose) test.Printf(_L("\n"));
|
|
|
368 |
}
|
|
|
369 |
else
|
|
|
370 |
{
|
|
|
371 |
r = p.Create(Current, KNullDesC);
|
|
|
372 |
if (r==KErrNone)
|
|
|
373 |
p.Kill(0);
|
|
|
374 |
if (Verbose) test.Printf(_L("=> %d\n"), r);
|
|
|
375 |
}
|
|
|
376 |
p.Close();
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
|
|
|
380 |
template <typename T> void SetFieldTo(const SFuzzField* aField, T aSetTo, SetMode aMode)
|
|
|
381 |
{
|
|
|
382 |
T* field = (T*)(Target + aField->offset);
|
|
|
383 |
if ((TUint8*)field >= EndOfFile)
|
|
|
384 |
{
|
|
|
385 |
if (Verbose) test.Printf(_L("skipping, eof "));
|
|
|
386 |
return;
|
|
|
387 |
}
|
|
|
388 |
if (aMode == ESetOffset)
|
|
|
389 |
aSetTo += *field;
|
|
|
390 |
else if (aMode == ESetRandom)
|
|
|
391 |
aSetTo = (T)Rand();
|
|
|
392 |
else if (aMode == ESetXor)
|
|
|
393 |
aSetTo ^= *field;
|
|
|
394 |
*field = aSetTo;
|
|
|
395 |
if (Verbose) test.Printf(_L("%d "), aSetTo);
|
|
|
396 |
}
|
|
|
397 |
|
|
|
398 |
|
|
|
399 |
void SetField(const SFuzzField* aField, TInt aValue, ValueMode aMode)
|
|
|
400 |
{
|
|
|
401 |
if (aMode < EValList)
|
|
|
402 |
{
|
|
|
403 |
switch(aField->size)
|
|
|
404 |
{
|
|
|
405 |
case 1:
|
|
|
406 |
SetFieldTo<TInt8>(aField, aValue, (SetMode)aMode);
|
|
|
407 |
break;
|
|
|
408 |
case 2:
|
|
|
409 |
SetFieldTo<TInt16>(aField, aValue, (SetMode)aMode);
|
|
|
410 |
break;
|
|
|
411 |
case 4:
|
|
|
412 |
SetFieldTo<TInt32>(aField, aValue, (SetMode)aMode);
|
|
|
413 |
break;
|
|
|
414 |
}
|
|
|
415 |
}
|
|
|
416 |
else if (aMode == EValList)
|
|
|
417 |
{
|
|
|
418 |
switch(aField->size)
|
|
|
419 |
{
|
|
|
420 |
case 1:
|
|
|
421 |
SetFieldTo<TInt8>(aField, Values8[aValue], ESetLiteral);
|
|
|
422 |
break;
|
|
|
423 |
case 2:
|
|
|
424 |
if (aValue < ValuesCount[1])
|
|
|
425 |
SetFieldTo<TInt16>(aField, Values8[aValue], ESetLiteral);
|
|
|
426 |
else
|
|
|
427 |
SetFieldTo<TInt16>(aField, Values16[aValue-ValuesCount[1]], ESetLiteral);
|
|
|
428 |
break;
|
|
|
429 |
case 4:
|
|
|
430 |
if (aValue < ValuesCount[1])
|
|
|
431 |
SetFieldTo<TInt32>(aField, Values8[aValue], ESetLiteral);
|
|
|
432 |
else if (aValue < ValuesCount[2])
|
|
|
433 |
SetFieldTo<TInt32>(aField, Values16[aValue-ValuesCount[1]], ESetLiteral);
|
|
|
434 |
else
|
|
|
435 |
SetFieldTo<TInt32>(aField, Values32[aValue-ValuesCount[2]], ESetLiteral);
|
|
|
436 |
break;
|
|
|
437 |
}
|
|
|
438 |
}
|
|
|
439 |
else if (aMode == EValOffsetList)
|
|
|
440 |
{
|
|
|
441 |
switch(aField->size)
|
|
|
442 |
{
|
|
|
443 |
case 1:
|
|
|
444 |
SetFieldTo<TInt8>(aField, Offsets[aValue], ESetOffset);
|
|
|
445 |
break;
|
|
|
446 |
case 2:
|
|
|
447 |
SetFieldTo<TInt16>(aField, Offsets[aValue], ESetOffset);
|
|
|
448 |
break;
|
|
|
449 |
case 4:
|
|
|
450 |
SetFieldTo<TInt32>(aField, Offsets[aValue], ESetOffset);
|
|
|
451 |
break;
|
|
|
452 |
}
|
|
|
453 |
}
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
|
|
|
457 |
void FuzzFieldsDeterministically(const SFuzzField* aFields, TInt aOffset)
|
|
|
458 |
{
|
|
|
459 |
Target = FileData + aOffset;
|
|
|
460 |
|
|
|
461 |
TInt f = -1;
|
|
|
462 |
while (aFields[++f].name)
|
|
|
463 |
{
|
|
|
464 |
test.Printf(_L("FIELD: %s ...\n"), aFields[f].name);
|
|
|
465 |
TInt v;
|
|
|
466 |
if (Verbose) test.Next(_L("Using preset values"));
|
|
|
467 |
for (v = 0; v < ValuesCount[aFields[f].size]; ++v)
|
|
|
468 |
{
|
|
|
469 |
MakeCleanCopy();
|
|
|
470 |
SetField(&aFields[f], v, EValList);
|
|
|
471 |
Load();
|
|
|
472 |
}
|
|
|
473 |
if (Verbose) test.Next(_L("Using preset offsets"));
|
|
|
474 |
for (v = 0; v < OffsetsCount; ++v)
|
|
|
475 |
{
|
|
|
476 |
MakeCleanCopy();
|
|
|
477 |
SetField(&aFields[f], v, EValOffsetList);
|
|
|
478 |
Load();
|
|
|
479 |
}
|
|
|
480 |
if (Verbose) test.Next(_L("Flipping single bits"));
|
|
|
481 |
for (v = 0; v < aFields[f].size*8; ++v)
|
|
|
482 |
{
|
|
|
483 |
MakeCleanCopy();
|
|
|
484 |
SetField(&aFields[f], 1<<v, EValXor);
|
|
|
485 |
Load();
|
|
|
486 |
}
|
|
|
487 |
if (Verbose) test.Next(_L("Inverting"));
|
|
|
488 |
MakeCleanCopy();
|
|
|
489 |
SetField(&aFields[f], 0xffffffffu, EValXor);
|
|
|
490 |
Load();
|
|
|
491 |
|
|
|
492 |
// things that are offsets all go below, pointless on
|
|
|
493 |
// narrow fields
|
|
|
494 |
if (aFields[f].size == 4)
|
|
|
495 |
{
|
|
|
496 |
if (Verbose) test.Next(_L("Using filesize relative values"));
|
|
|
497 |
for (v = FileSize-4; v <= FileSize+4; ++v)
|
|
|
498 |
{
|
|
|
499 |
MakeCleanCopy();
|
|
|
500 |
SetField(&aFields[f], v, EValLiteral);
|
|
|
501 |
Load();
|
|
|
502 |
}
|
|
|
503 |
if (Verbose) test.Next(_L("Using code-end relative values"));
|
|
|
504 |
TInt codeend = CleanHeader->iCodeSize + CleanHeader->iCodeOffset;
|
|
|
505 |
for (v = codeend-4; v <= codeend+4; ++v)
|
|
|
506 |
{
|
|
|
507 |
MakeCleanCopy();
|
|
|
508 |
SetField(&aFields[f], v, EValLiteral);
|
|
|
509 |
Load();
|
|
|
510 |
}
|
|
|
511 |
}
|
|
|
512 |
}
|
|
|
513 |
}
|
|
|
514 |
|
|
|
515 |
|
|
|
516 |
void FuzzFieldsRandomly(const SFuzzField* aFields, TInt aOffset)
|
|
|
517 |
{
|
|
|
518 |
Target = FileData + aOffset;
|
|
|
519 |
|
|
|
520 |
TInt f = 0;
|
|
|
521 |
while (aFields[f].name)
|
|
|
522 |
{
|
|
|
523 |
test.Printf(_L("FIELD: %s ... (random)\n"), aFields[f].name);
|
|
|
524 |
TInt v;
|
|
|
525 |
for (v = 0; v < KRandomFieldIterations; ++v)
|
|
|
526 |
{
|
|
|
527 |
MakeCleanCopy();
|
|
|
528 |
SetField(&aFields[f], 0, EValRandom);
|
|
|
529 |
Load();
|
|
|
530 |
}
|
|
|
531 |
f++;
|
|
|
532 |
}
|
|
|
533 |
}
|
|
|
534 |
|
|
|
535 |
|
|
|
536 |
void FuzzBlockRandomly(TInt aOffset, TInt aSize)
|
|
|
537 |
{
|
|
|
538 |
SFuzzField field;
|
|
|
539 |
field.size = 1;
|
|
|
540 |
Target = FileData + aOffset;
|
|
|
541 |
|
|
|
542 |
test.Printf(_L("FIELD: random words in data\n"));
|
|
|
543 |
TInt v;
|
|
|
544 |
for (v = 0; v < KRandomFieldIterations * 4; ++v)
|
|
|
545 |
{
|
|
|
546 |
MakeCleanCopy();
|
|
|
547 |
field.offset = Rand(aSize);
|
|
|
548 |
if (Verbose) test.Printf(_L("@ %d, "), field.offset);
|
|
|
549 |
SetField(&field, 0, EValRandom);
|
|
|
550 |
Load();
|
|
|
551 |
}
|
|
|
552 |
}
|
|
|
553 |
|
|
|
554 |
|
|
|
555 |
void FuzzFile(TBool aRandom)
|
|
|
556 |
{
|
|
|
557 |
TTime before, after;
|
|
|
558 |
before.UniversalTime();
|
|
|
559 |
LoadCleanFile();
|
|
|
560 |
|
|
|
561 |
TFieldFuzzer FuzzFields = aRandom ? FuzzFieldsRandomly : FuzzFieldsDeterministically;
|
|
|
562 |
|
|
|
563 |
// E32ImageHeader
|
|
|
564 |
FuzzFields(HeaderFields, 0);
|
|
|
565 |
|
|
|
566 |
if (CleanHeader->iCompressionType == KFormatNotCompressed)
|
|
|
567 |
{
|
|
|
568 |
// import table
|
|
|
569 |
TInt offset = CleanHeader->iImportOffset;
|
|
|
570 |
if (offset != 0)
|
|
|
571 |
{
|
|
|
572 |
FuzzFields(ImportSectionFields, offset);
|
|
|
573 |
offset += sizeof(E32ImportSection);
|
|
|
574 |
FuzzFields(ImportBlockFields, offset);
|
|
|
575 |
offset += sizeof(E32ImportBlock);
|
|
|
576 |
FuzzFields(ImportEntryFields, offset);
|
|
|
577 |
}
|
|
|
578 |
|
|
|
579 |
// code relocations
|
|
|
580 |
offset = CleanHeader->iCodeRelocOffset;
|
|
|
581 |
if (offset != 0)
|
|
|
582 |
{
|
|
|
583 |
FuzzFields(RelocSectionFields, offset);
|
|
|
584 |
offset += sizeof(E32RelocSection);
|
|
|
585 |
FuzzFields(RelocBlockFields, offset);
|
|
|
586 |
offset += sizeof(E32RelocBlock);
|
|
|
587 |
FuzzFields(RelocEntryFields, offset);
|
|
|
588 |
}
|
|
|
589 |
|
|
|
590 |
// data relocations
|
|
|
591 |
offset = CleanHeader->iDataRelocOffset;
|
|
|
592 |
if (offset != 0)
|
|
|
593 |
{
|
|
|
594 |
FuzzFields(RelocSectionFields, offset);
|
|
|
595 |
offset += sizeof(E32RelocSection);
|
|
|
596 |
FuzzFields(RelocBlockFields, offset);
|
|
|
597 |
offset += sizeof(E32RelocBlock);
|
|
|
598 |
FuzzFields(RelocEntryFields, offset);
|
|
|
599 |
}
|
|
|
600 |
|
|
|
601 |
// export table
|
|
|
602 |
offset = CleanHeader->iExportDirOffset;
|
|
|
603 |
if (offset != 0)
|
|
|
604 |
{
|
|
|
605 |
FuzzFields(ExportEntryFields, offset);
|
|
|
606 |
}
|
|
|
607 |
}
|
|
|
608 |
else
|
|
|
609 |
{
|
|
|
610 |
if (aRandom)
|
|
|
611 |
{
|
|
|
612 |
// random bits of the compressed data
|
|
|
613 |
FuzzBlockRandomly(CleanHeader->iCodeOffset, FileSize - CleanHeader->iCodeOffset);
|
|
|
614 |
}
|
|
|
615 |
else
|
|
|
616 |
{
|
|
|
617 |
// arbitrary bits of the compressed data
|
|
|
618 |
FuzzFields(CompressedDataFields, CleanHeader->iCodeOffset);
|
|
|
619 |
}
|
|
|
620 |
}
|
|
|
621 |
|
|
|
622 |
DoneFile();
|
|
|
623 |
after.UniversalTime();
|
|
|
624 |
TTimeIntervalSeconds interval;
|
|
|
625 |
after.SecondsFrom(before, interval);
|
|
|
626 |
test.Printf(_L("Took %d seconds\n"), interval.Int());
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
|
|
|
630 |
void FuzzTruncateTo(TInt size)
|
|
|
631 |
{
|
|
|
632 |
OutFileSize = size - 4;
|
|
|
633 |
if (Verbose) test.Printf(_L("%d "), OutFileSize);
|
|
|
634 |
Load();
|
|
|
635 |
OutFileSize = size - 1;
|
|
|
636 |
if (Verbose) test.Printf(_L("%d "), OutFileSize);
|
|
|
637 |
Load();
|
|
|
638 |
if (size == FileSize)
|
|
|
639 |
return;
|
|
|
640 |
OutFileSize = size;
|
|
|
641 |
if (Verbose) test.Printf(_L("%d "), OutFileSize);
|
|
|
642 |
Load();
|
|
|
643 |
OutFileSize = size + 1;
|
|
|
644 |
if (Verbose) test.Printf(_L("%d "), OutFileSize);
|
|
|
645 |
Load();
|
|
|
646 |
OutFileSize = size + 4;
|
|
|
647 |
if (Verbose) test.Printf(_L("%d "), OutFileSize);
|
|
|
648 |
Load();
|
|
|
649 |
}
|
|
|
650 |
|
|
|
651 |
|
|
|
652 |
void FuzzTruncate()
|
|
|
653 |
{
|
|
|
654 |
TTime before, after;
|
|
|
655 |
before.UniversalTime();
|
|
|
656 |
LoadCleanFile();
|
|
|
657 |
|
|
|
658 |
FuzzTruncateTo(CleanHeader->iCodeOffset);
|
|
|
659 |
if (CleanHeader->iCompressionType == KFormatNotCompressed)
|
|
|
660 |
FuzzTruncateTo(CleanHeader->iCodeOffset+CleanHeader->iCodeSize);
|
|
|
661 |
FuzzTruncateTo(FileSize);
|
|
|
662 |
|
|
|
663 |
DoneFile();
|
|
|
664 |
after.UniversalTime();
|
|
|
665 |
TTimeIntervalSeconds interval;
|
|
|
666 |
after.SecondsFrom(before, interval);
|
|
|
667 |
test.Printf(_L("Took %d seconds\n"), interval.Int());
|
|
|
668 |
}
|
|
|
669 |
|
|
|
670 |
|
|
|
671 |
void FuzzAllTestImages()
|
|
|
672 |
{
|
|
|
673 |
TInt i;
|
|
|
674 |
Drive = InternalDrive;
|
|
|
675 |
test.Next(_L("Fuzzing deterministically"));
|
|
|
676 |
for (i=1; i<=KFuzzImages; ++i)
|
|
|
677 |
{
|
|
|
678 |
test.Next(_L("Next binary..."));
|
|
|
679 |
test.Printf(_L("Fuzzing exe %d\n"), i);
|
|
|
680 |
PrepareName(i, EFalse);
|
|
|
681 |
FuzzFile(EFalse);
|
|
|
682 |
if(i==5)
|
|
|
683 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
684 |
test.Next(_L("Next binary..."));
|
|
|
685 |
test.Printf(_L("Fuzzing dll %d\n"), i);
|
|
|
686 |
PrepareName(i, ETrue);
|
|
|
687 |
FuzzFile(EFalse);
|
|
|
688 |
}
|
|
|
689 |
Drive = RemovableDrive;
|
|
|
690 |
test.Next(_L("Fuzzing deterministically on removable media"));
|
|
|
691 |
for (i=1; i<=KFuzzImages; ++i)
|
|
|
692 |
{
|
|
|
693 |
test.Next(_L("Next binary..."));
|
|
|
694 |
test.Printf(_L("Fuzzing exe %d\n"), i);
|
|
|
695 |
PrepareName(i, EFalse);
|
|
|
696 |
FuzzFile(EFalse);
|
|
|
697 |
if(i==5)
|
|
|
698 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
699 |
test.Next(_L("Next binary..."));
|
|
|
700 |
test.Printf(_L("Fuzzing dll %d\n"), i);
|
|
|
701 |
PrepareName(i, ETrue);
|
|
|
702 |
FuzzFile(EFalse);
|
|
|
703 |
}
|
|
|
704 |
Drive = InternalDrive;
|
|
|
705 |
test.Next(_L("Fuzzing by truncation"));
|
|
|
706 |
for (i=1; i<=KFuzzImages; ++i)
|
|
|
707 |
{
|
|
|
708 |
test.Next(_L("Next binary..."));
|
|
|
709 |
test.Printf(_L("Fuzzing exe %d\n"), i);
|
|
|
710 |
PrepareName(i, EFalse);
|
|
|
711 |
FuzzTruncate();
|
|
|
712 |
if(i==5)
|
|
|
713 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
714 |
test.Next(_L("Next binary..."));
|
|
|
715 |
test.Printf(_L("Fuzzing dll %d\n"), i);
|
|
|
716 |
PrepareName(i, ETrue);
|
|
|
717 |
FuzzTruncate();
|
|
|
718 |
}
|
|
|
719 |
Drive = RemovableDrive;
|
|
|
720 |
test.Next(_L("Fuzzing by truncation on removable media"));
|
|
|
721 |
for (i=1; i<=KFuzzImages; ++i)
|
|
|
722 |
{
|
|
|
723 |
test.Next(_L("Next binary..."));
|
|
|
724 |
test.Printf(_L("Fuzzing exe %d\n"), i);
|
|
|
725 |
PrepareName(i, EFalse);
|
|
|
726 |
FuzzTruncate();
|
|
|
727 |
if(i==5)
|
|
|
728 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
729 |
test.Next(_L("Next binary..."));
|
|
|
730 |
test.Printf(_L("Fuzzing dll %d\n"), i);
|
|
|
731 |
PrepareName(i, ETrue);
|
|
|
732 |
FuzzTruncate();
|
|
|
733 |
}
|
|
|
734 |
test.Next(_L("Fuzzing randomly"));
|
|
|
735 |
do
|
|
|
736 |
{
|
|
|
737 |
for (i=1; i<=KFuzzImages; ++i)
|
|
|
738 |
{
|
|
|
739 |
Drive = InternalDrive;
|
|
|
740 |
test.Next(_L("Next binary..."));
|
|
|
741 |
test.Printf(_L("Fuzzing exe %d\n"), i);
|
|
|
742 |
PrepareName(i, EFalse);
|
|
|
743 |
FuzzFile(ETrue);
|
|
|
744 |
if(i==5)
|
|
|
745 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
746 |
test.Next(_L("Next binary..."));
|
|
|
747 |
test.Printf(_L("Fuzzing dll %d\n"), i);
|
|
|
748 |
PrepareName(i, ETrue);
|
|
|
749 |
FuzzFile(ETrue);
|
|
|
750 |
Drive = RemovableDrive;
|
|
|
751 |
test.Next(_L("Next binary..."));
|
|
|
752 |
test.Printf(_L("Fuzzing exe %d on removable media\n"), i);
|
|
|
753 |
PrepareName(i, EFalse);
|
|
|
754 |
FuzzFile(ETrue);
|
|
|
755 |
if(i==5)
|
|
|
756 |
continue; // DLL 5 doesn't exist because toolchain doesn't like DLLs with no exports
|
|
|
757 |
test.Next(_L("Next binary..."));
|
|
|
758 |
test.Printf(_L("Fuzzing dll %d on removable media\n"), i);
|
|
|
759 |
PrepareName(i, ETrue);
|
|
|
760 |
FuzzFile(ETrue);
|
|
|
761 |
}
|
|
|
762 |
}
|
|
|
763 |
while (Forever);
|
|
|
764 |
}
|
|
|
765 |
|
|
|
766 |
|
|
|
767 |
void FuzzProvidedImage()
|
|
|
768 |
{
|
|
|
769 |
test.Printf(_L("Fuzzing file %S\n"), &Provided);
|
|
|
770 |
PrepareProvidedName();
|
|
|
771 |
Drive = InternalDrive;
|
|
|
772 |
test.Next(_L("Fuzzing deterministically"));
|
|
|
773 |
FuzzFile(EFalse);
|
|
|
774 |
Drive = RemovableDrive;
|
|
|
775 |
test.Next(_L("Fuzzing deterministically on removable media"));
|
|
|
776 |
FuzzFile(EFalse);
|
|
|
777 |
test.Next(_L("Fuzzing by truncation"));
|
|
|
778 |
FuzzTruncate();
|
|
|
779 |
Drive = RemovableDrive;
|
|
|
780 |
test.Next(_L("Fuzzing by truncation on removable media"));
|
|
|
781 |
FuzzTruncate();
|
|
|
782 |
test.Next(_L("Fuzzing randomly"));
|
|
|
783 |
do
|
|
|
784 |
{
|
|
|
785 |
Drive = InternalDrive;
|
|
|
786 |
test.Next(_L("Internal drive"));
|
|
|
787 |
FuzzFile(ETrue);
|
|
|
788 |
Drive = RemovableDrive;
|
|
|
789 |
test.Next(_L("Removable drive"));
|
|
|
790 |
FuzzFile(ETrue);
|
|
|
791 |
}
|
|
|
792 |
while (Forever);
|
|
|
793 |
}
|
|
|
794 |
|
|
|
795 |
|
|
|
796 |
GLDEF_C TInt E32Main()
|
|
|
797 |
{
|
|
|
798 |
// default to verbose unless the fasttest trace flag is on
|
|
|
799 |
Verbose = (UserSvr::DebugMask(2)&0x00000002) == 0;
|
|
|
800 |
|
|
|
801 |
TFileName cmd;
|
|
|
802 |
User::CommandLine(cmd);
|
|
|
803 |
TLex lex(cmd);
|
|
|
804 |
FOREVER
|
|
|
805 |
{
|
|
|
806 |
lex.SkipSpace();
|
|
|
807 |
if (lex.Eos())
|
|
|
808 |
break;
|
|
|
809 |
TChar next = lex.Peek();
|
|
|
810 |
if (next == '-' || next == '/')
|
|
|
811 |
{
|
|
|
812 |
// option
|
|
|
813 |
lex.Inc();
|
|
|
814 |
switch(lex.Get())
|
|
|
815 |
{
|
|
|
816 |
case 'v':
|
|
|
817 |
Verbose = ETrue;
|
|
|
818 |
break;
|
|
|
819 |
case 'q':
|
|
|
820 |
Verbose = EFalse;
|
|
|
821 |
break;
|
|
|
822 |
case 'l':
|
|
|
823 |
{
|
|
|
824 |
// being used as a slave to load a DLL
|
|
|
825 |
TPtrC libname(lex.NextToken());
|
|
|
826 |
RLibrary l;
|
|
|
827 |
RProcess::Rendezvous(KErrNone);
|
|
|
828 |
l.Load(libname);
|
|
|
829 |
return KErrNone;
|
|
|
830 |
}
|
|
|
831 |
case 's':
|
|
|
832 |
// random seed
|
|
|
833 |
lex.SkipSpace();
|
|
|
834 |
test_KErrNone(lex.Val(Seed, EHex));
|
|
|
835 |
test.Printf(_L("Using supplied random seed %08x\n"), Seed);
|
|
|
836 |
break;
|
|
|
837 |
case 'f':
|
|
|
838 |
// run forever
|
|
|
839 |
Forever = ETrue;
|
|
|
840 |
break;
|
|
|
841 |
}
|
|
|
842 |
}
|
|
|
843 |
else
|
|
|
844 |
{
|
|
|
845 |
// filename, at least i assume it is :)
|
|
|
846 |
Provided.Copy(lex.NextToken());
|
|
|
847 |
}
|
|
|
848 |
}
|
|
|
849 |
|
|
|
850 |
test.Title();
|
|
|
851 |
test.Next(_L("Setup"));
|
|
|
852 |
__UHEAP_MARK;
|
|
|
853 |
CTrapCleanup* cleanup;
|
|
|
854 |
cleanup=CTrapCleanup::New();
|
|
|
855 |
|
|
|
856 |
if (Seed == 0)
|
|
|
857 |
{
|
|
|
858 |
TTime time;
|
|
|
859 |
time.UniversalTime();
|
|
|
860 |
Seed = (TUint32)time.Int64();
|
|
|
861 |
test.Printf(_L("Random seed is %08x\n"), Seed);
|
|
|
862 |
}
|
|
|
863 |
|
|
|
864 |
test_KErrNone(TheFs.Connect());
|
|
|
865 |
test_TRAP(FileMan=CFileMan::NewL(TheFs));
|
|
|
866 |
test_KErrNone(Timer.CreateLocal());
|
|
|
867 |
test_TRAP(Hasher=CSHA1::NewL());
|
|
|
868 |
HashDir.Append(TheFs.GetSystemDriveChar());
|
|
|
869 |
HashDir.Append(KSysHash);
|
|
|
870 |
TInt r = TheFs.MkDirAll(HashDir);
|
|
|
871 |
test(r == KErrNone || r == KErrAlreadyExists);
|
|
|
872 |
|
|
|
873 |
// Find some interesting drives
|
|
|
874 |
for (TInt driveno = EDriveA; driveno <= EDriveZ; ++driveno)
|
|
|
875 |
{
|
|
|
876 |
TDriveInfo di;
|
|
|
877 |
test_KErrNone(TheFs.Drive(di, driveno));
|
|
|
878 |
if (di.iType == EMediaNotPresent)
|
|
|
879 |
continue;
|
|
|
880 |
TChar drivechar;
|
|
|
881 |
test_KErrNone(TheFs.DriveToChar(driveno, drivechar));
|
|
|
882 |
if ((di.iDriveAtt & KDriveAttInternal) && InternalDrive == '?')
|
|
|
883 |
InternalDrive = drivechar;
|
|
|
884 |
else if ((di.iDriveAtt & KDriveAttRemovable) && RemovableDrive == '?')
|
|
|
885 |
RemovableDrive = drivechar;
|
|
|
886 |
else
|
|
|
887 |
continue;
|
|
|
888 |
|
|
|
889 |
TFileName fn;
|
|
|
890 |
fn.Append(drivechar);
|
|
|
891 |
fn.Append(KSysBin);
|
|
|
892 |
TheFs.MkDirAll(fn);
|
|
|
893 |
test(r == KErrNone || r == KErrAlreadyExists);
|
|
|
894 |
}
|
|
|
895 |
test.Printf(_L("Using %c as internal drive, %c as removable\n"), (TUint)InternalDrive, (TUint)RemovableDrive);
|
|
|
896 |
|
|
|
897 |
// Turn off evil lazy dll unloading
|
|
|
898 |
RLoader l;
|
|
|
899 |
test_KErrNone(l.Connect());
|
|
|
900 |
test_KErrNone(l.CancelLazyDllUnload());
|
|
|
901 |
l.Close();
|
|
|
902 |
|
|
|
903 |
test.Start(_L("Fuzzing loader"));
|
|
|
904 |
if (Provided.Length() == 0)
|
|
|
905 |
FuzzAllTestImages();
|
|
|
906 |
else
|
|
|
907 |
FuzzProvidedImage();
|
|
|
908 |
test.End();
|
|
|
909 |
|
|
|
910 |
delete Hasher;
|
|
|
911 |
Timer.Close();
|
|
|
912 |
delete FileMan;
|
|
|
913 |
TheFs.Close();
|
|
|
914 |
test.Close();
|
|
|
915 |
delete cleanup;
|
|
|
916 |
__UHEAP_MARKEND;
|
|
|
917 |
return KErrNone;
|
|
|
918 |
}
|
|
|
919 |
|
|
|
920 |
|