| 1 | /* $Id: winexedummy.cpp,v 1.6 2004-01-15 10:39:09 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Win32 Dummy Exe class | 
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| 5 | * | 
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| 6 | * Copyright 2001 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 | #define INCL_DOSFILEMGR          /* File Manager values      */ | 
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| 13 | #define INCL_DOSERRORS           /* DOS Error values         */ | 
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| 14 | #define INCL_DOSPROCESS          /* DOS Process values       */ | 
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| 15 | #define INCL_DOSMISC             /* DOS Miscellanous values  */ | 
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| 16 | #define INCL_WIN | 
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| 17 | #include <os2wrap.h>    //Odin32 OS/2 api wrappers | 
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| 18 | #include <stdio.h> | 
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| 19 | #include <string.h> | 
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| 20 | #include <stdlib.h> | 
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| 21 | #include <misc.h> | 
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| 22 | #include <win32type.h> | 
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| 23 | #include "winexedummy.h" | 
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| 24 | #include <winconst.h> | 
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| 25 | #include <win32api.h> | 
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| 26 | #include <wprocess.h> | 
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| 27 | #include "initterm.h" | 
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| 28 |  | 
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| 29 | static BOOL fIsDummyExe = FALSE; | 
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| 30 |  | 
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| 31 | //****************************************************************************** | 
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| 32 | //Create Dummy Exe object | 
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| 33 | //****************************************************************************** | 
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| 34 | BOOL WIN32API RegisterDummyExe(LPSTR pszExeName) | 
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| 35 | { | 
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| 36 | if(WinExe != NULL) | 
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| 37 | return TRUE; | 
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| 38 |  | 
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| 39 | Win32DummyExe *winexe; | 
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| 40 |  | 
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| 41 | winexe = new Win32DummyExe(pszExeName); | 
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| 42 |  | 
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| 43 | if(winexe) { | 
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| 44 | InitCommandLine(FALSE); | 
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| 45 | winexe->start(); | 
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| 46 | fIsDummyExe = TRUE; | 
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| 47 | } | 
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| 48 | else { | 
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| 49 | eprintf(("Win32DummyExe creation failed!\n")); | 
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| 50 | DebugInt3(); | 
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| 51 | return FALSE; | 
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| 52 | } | 
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| 53 | return TRUE; | 
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| 54 | } | 
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| 55 | //****************************************************************************** | 
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| 56 | //****************************************************************************** | 
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| 57 | BOOL WIN32API IsDummyExeLoaded() | 
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| 58 | { | 
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| 59 | return fIsDummyExe; | 
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| 60 | } | 
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| 61 | //****************************************************************************** | 
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| 62 | //****************************************************************************** | 
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| 63 | Win32DummyExe::Win32DummyExe(LPSTR pszExeName) | 
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| 64 | : Win32ImageBase(-1), | 
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| 65 | Win32ExeBase(-1), header(0) | 
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| 66 | { | 
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| 67 | dprintf(("Win32DummyExe ctor: %s", pszExeName)); | 
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| 68 | hinstance = (HINSTANCE)buildHeader(1, 0, IMAGE_SUBSYSTEM_WINDOWS_GUI); | 
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| 69 | strcpy(szModule, pszExeName); | 
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| 70 | strcpy(szFileName, pszExeName); | 
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| 71 | setFullPath(pszExeName); | 
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| 72 | } | 
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| 73 | //****************************************************************************** | 
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| 74 | //****************************************************************************** | 
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| 75 | Win32DummyExe::~Win32DummyExe() | 
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| 76 | { | 
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| 77 | if(header) { | 
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| 78 | DosFreeMem(header); | 
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| 79 | } | 
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| 80 | } | 
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| 81 | //****************************************************************************** | 
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| 82 | //****************************************************************************** | 
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| 83 | ULONG Win32DummyExe::start() | 
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| 84 | { | 
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| 85 | return 0; | 
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| 86 | } | 
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| 87 | //****************************************************************************** | 
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| 88 | //****************************************************************************** | 
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| 89 | ULONG Win32DummyExe::getApi(char *name) | 
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| 90 | { | 
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| 91 | return 0; | 
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| 92 | } | 
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| 93 | //****************************************************************************** | 
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| 94 | //****************************************************************************** | 
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| 95 | ULONG Win32DummyExe::getApi(int ordinal) | 
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| 96 | { | 
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| 97 | return 0; | 
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| 98 | } | 
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| 99 | //****************************************************************************** | 
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| 100 | //****************************************************************************** | 
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| 101 | LPVOID Win32DummyExe::buildHeader(DWORD MajorImageVersion, DWORD MinorImageVersion, | 
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| 102 | DWORD Subsystem) | 
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| 103 | { | 
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| 104 | APIRET rc; | 
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| 105 | IMAGE_DOS_HEADER *pdosheader; | 
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| 106 | PIMAGE_OPTIONAL_HEADER poh; | 
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| 107 | PIMAGE_FILE_HEADER     pfh; | 
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| 108 | DWORD *ntsig; | 
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| 109 |  | 
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| 110 | // AH TODO: we are wasting 60kb address space here (unless using high memory)!!! | 
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| 111 | rc = DosAllocMem(&header, 4096, PAG_READ | PAG_WRITE | PAG_COMMIT | flAllocMem); | 
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| 112 | if(rc) { | 
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| 113 | dprintf(("ERROR: buildHeader DosAllocMem failed!! (rc=%x)", rc)); | 
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| 114 | DebugInt3(); | 
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| 115 | return NULL; | 
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| 116 | } | 
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| 117 | memcpy(header, dosHeader, sizeof(dosHeader)); | 
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| 118 | ntsig  = (DWORD *)((LPBYTE)header + sizeof(dosHeader)); | 
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| 119 | *ntsig = IMAGE_NT_SIGNATURE; | 
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| 120 | pfh    = (PIMAGE_FILE_HEADER)(ntsig+1); | 
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| 121 | pfh->Machine              = IMAGE_FILE_MACHINE_I386; | 
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| 122 | pfh->NumberOfSections     = 0; | 
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| 123 | pfh->TimeDateStamp        = 0x3794f60f; | 
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| 124 | pfh->PointerToSymbolTable = 0; | 
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| 125 | pfh->NumberOfSymbols      = 0; | 
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| 126 | pfh->SizeOfOptionalHeader = sizeof(IMAGE_OPTIONAL_HEADER); | 
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| 127 | pfh->Characteristics      = IMAGE_FILE_DLL | IMAGE_FILE_32BIT_MACHINE | | 
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| 128 | IMAGE_FILE_DEBUG_STRIPPED | IMAGE_FILE_EXECUTABLE_IMAGE | | 
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| 129 | IMAGE_FILE_RELOCS_STRIPPED; | 
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| 130 | poh    = (PIMAGE_OPTIONAL_HEADER)(pfh+1); | 
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| 131 | poh->Magic                       = IMAGE_NT_OPTIONAL_HDR_MAGIC; | 
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| 132 | poh->MajorLinkerVersion          = 0x3; | 
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| 133 | poh->MinorLinkerVersion          = 0xA; | 
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| 134 | poh->SizeOfCode                  = 0; | 
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| 135 | poh->SizeOfInitializedData       = 0; | 
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| 136 | poh->SizeOfUninitializedData     = 0; | 
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| 137 | poh->AddressOfEntryPoint         = 0; | 
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| 138 | poh->BaseOfCode                  = 0; | 
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| 139 | poh->BaseOfData                  = 0; | 
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| 140 | poh->ImageBase                   = 0; | 
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| 141 | poh->SectionAlignment            = 4096; | 
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| 142 | poh->FileAlignment               = 512; | 
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| 143 | poh->MajorOperatingSystemVersion = MajorImageVersion; | 
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| 144 | poh->MinorOperatingSystemVersion = MinorImageVersion; | 
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| 145 | poh->MajorImageVersion           = MajorImageVersion; | 
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| 146 | poh->MinorImageVersion           = MinorImageVersion; | 
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| 147 | poh->MajorSubsystemVersion       = ODINNT_MAJOR_VERSION; | 
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| 148 | poh->MinorSubsystemVersion       = ODINNT_MINOR_VERSION; | 
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| 149 | poh->Win32VersionValue           = 0; | 
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| 150 | poh->SizeOfImage                 = 0; | 
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| 151 | poh->SizeOfHeaders               = 1024; | 
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| 152 | poh->CheckSum                    = 0; | 
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| 153 | poh->Subsystem                   = Subsystem; | 
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| 154 | poh->DllCharacteristics          = 0; | 
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| 155 | poh->SizeOfStackReserve          = 1*1024*1024; | 
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| 156 | poh->SizeOfStackCommit           = 4096; | 
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| 157 | poh->SizeOfHeapReserve           = 1*1024*1024; | 
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| 158 | poh->SizeOfHeapCommit            = 4096; | 
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| 159 | poh->LoaderFlags                 = 0; | 
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| 160 | poh->NumberOfRvaAndSizes         = 0; | 
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| 161 | //  poh->DataDirectory[0] | 
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| 162 |  | 
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| 163 | return header; | 
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| 164 | } | 
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| 165 | //****************************************************************************** | 
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| 166 | //****************************************************************************** | 
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