| 1 | /* $Id: winimagebase.h,v 1.3 1999-10-05 13:48:40 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Win32 PE Image base class
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| 5 | *
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| 6 | * Copyright 1998-1999 Sander van Leeuwen (sandervl@xs4all.nl)
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 | #ifndef __WINIMAGEBASE_H__
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| 13 | #define __WINIMAGEBASE_H__
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| 14 |
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| 15 | #include <peexe.h>
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| 16 |
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| 17 | #ifdef DEBUG
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| 18 | #define MAGIC_WINIMAGE 0x11223344
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| 19 | #endif
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| 20 |
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| 21 | #ifndef CCHMAXPATH
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| 22 | #define CCHMAXPATH 260
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| 23 | #endif
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| 24 |
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| 25 | #define LANG_GETFIRST 0x80000000
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| 26 | #define ID_GETFIRST LANG_GETFIRST
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| 27 | #define IDLANG_GETFIRST LANG_GETFIRST
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| 28 |
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| 29 | class Win32Resource;
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| 30 |
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| 31 | class Win32ImageBase
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| 32 | {
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| 33 | #ifdef DEBUG
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| 34 | protected:
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| 35 | DWORD magic;
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| 36 | public:
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| 37 | void checkObject()
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| 38 | {
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| 39 | if(magic != MAGIC_WINIMAGE) {
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| 40 | eprintf(("Corrupt this pointer %X %X!!", this, magic));
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| 41 | DebugInt3();
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| 42 | }
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| 43 | };
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| 44 | #endif
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| 45 |
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| 46 | public:
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| 47 | // Constructors and destructors
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| 48 | Win32ImageBase(HINSTANCE hInstance);
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| 49 | virtual ~Win32ImageBase();
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| 50 |
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| 51 | ULONG getError() { return errorState; };
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| 52 | HINSTANCE getInstanceHandle() { return hinstance; };
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| 53 |
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| 54 | virtual void setFullPath(char *name);
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| 55 | char *getFullPath() { return fullpath; };
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| 56 |
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| 57 | char *getModuleName() { return szModule; };
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| 58 |
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| 59 | virtual HRSRC findResourceA(LPCSTR lpszName, LPSTR lpszType, ULONG lang = LANG_GETFIRST);
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| 60 | HRSRC findResourceW(LPWSTR lpszName, LPWSTR lpszType, ULONG lang = LANG_GETFIRST);
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| 61 | virtual ULONG getResourceSizeA(LPCSTR lpszName, LPSTR lpszType, ULONG lang = LANG_GETFIRST);
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| 62 | ULONG getResourceSizeW(LPCWSTR lpszName, LPWSTR lpszType, ULONG lang = LANG_GETFIRST);
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| 63 |
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| 64 | virtual ULONG getVersionSize();
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| 65 | virtual BOOL getVersionStruct(char *verstruct, ULONG bufLength);
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| 66 |
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| 67 | static BOOL isPEImage(char *szFileName);
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| 68 |
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| 69 | void setEntryPoint(ULONG startAddress) { entryPoint = startAddress; };
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| 70 |
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| 71 | void setTLSAddress(LPVOID dwTlsAddress) { tlsAddress = dwTlsAddress; };
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| 72 | void setTLSIndexAddr(LPDWORD dwTlsIndexAddr) { tlsIndexAddr = dwTlsIndexAddr; };
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| 73 | void setTLSInitSize(ULONG dwTlsSize) { tlsInitSize = dwTlsSize; };
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| 74 | void setTLSTotalSize(ULONG dwTlsSize) { tlsTotalSize = dwTlsSize; };
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| 75 | void setTLSCallBackAddr(PIMAGE_TLS_CALLBACK *dwTlsCallBackAddr)
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| 76 | {
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| 77 | tlsCallBackAddr = dwTlsCallBackAddr;
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| 78 | };
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| 79 |
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| 80 | void tlsAttachThread(); //setup TLS structures for new thread
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| 81 | void tlsDetachThread(); //destroy TLS structures
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| 82 |
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| 83 | virtual BOOL isDll() = 0;
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| 84 |
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| 85 | protected:
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| 86 | void tlsAlloc(); //Allocate TLS index for this module
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| 87 | void tlsDelete(); //Destroy TLS index for this module
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| 88 |
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| 89 | Win32Resource *winres;
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| 90 |
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| 91 | ULONG errorState, entryPoint;
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| 92 |
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| 93 | char *fullpath;
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| 94 | char szModule[CCHMAXPATH];
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| 95 | char szFileName[CCHMAXPATH];
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| 96 |
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| 97 | HINSTANCE hinstance;
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| 98 |
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| 99 | LPVOID tlsAddress; //address of TLS data
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| 100 | LPDWORD tlsIndexAddr; //address of DWORD that receives the TLS index
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| 101 | ULONG tlsInitSize; //size of initialized TLS memory block
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| 102 | ULONG tlsTotalSize; //size of TLS memory block
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| 103 | PIMAGE_TLS_CALLBACK *tlsCallBackAddr; //ptr to TLS callback array
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| 104 | ULONG tlsIndex; //module TLS index
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| 105 |
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| 106 | ULONG getPEResourceSize(ULONG id, ULONG type, ULONG lang = LANG_GETFIRST);
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| 107 |
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| 108 | PIMAGE_RESOURCE_DATA_ENTRY getPEResourceEntry(ULONG id, ULONG type, ULONG lang = LANG_GETFIRST);
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| 109 | PIMAGE_RESOURCE_DATA_ENTRY ProcessResSubDir(PIMAGE_RESOURCE_DIRECTORY prdType,
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| 110 | ULONG *nodeData, int level);
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| 111 | PIMAGE_RESOURCE_DIRECTORY pResDir;
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| 112 |
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| 113 | //substracted from RVA data offsets
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| 114 | ULONG pResourceSectionStart;
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| 115 |
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| 116 | private:
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| 117 |
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| 118 | friend class Win32Resource;
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| 119 | friend ULONG SYSTEM GetVersionSize(char *modname);
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| 120 | };
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| 121 |
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| 122 | //SvL: This structure is placed at the end of the first page of the image (header
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| 123 | // page), so we can determine the Win32Image pointer from a HINSTANCE variable
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| 124 | // (which is actually the address of the win32 module)
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| 125 | typedef struct
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| 126 | {
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| 127 | Win32ImageBase *image;
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| 128 | ULONG magic;
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| 129 | } WINIMAGE_LOOKUP;
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| 130 |
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| 131 | #define WINIMAGE_LOOKUPADDR(a) (WINIMAGE_LOOKUP *)((ULONG)a + PAGE_SIZE - sizeof(WINIMAGE_LOOKUP))
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| 132 |
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| 133 | #endif //__WINIMAGEBASE_H__
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