/* $Id: winexedummy.cpp,v 1.1 2002-02-03 13:16:22 sandervl Exp $ */

/*
 * Win32 Dummy Exe class
 *
 * Copyright 2001 Sander van Leeuwen (sandervl@xs4all.nl)
 *
 *
 * Project Odin Software License can be found in LICENSE.TXT
 *
 */
#define INCL_DOSFILEMGR          /* File Manager values      */
#define INCL_DOSERRORS           /* DOS Error values         */
#define INCL_DOSPROCESS          /* DOS Process values       */
#define INCL_DOSMISC             /* DOS Miscellanous values  */
#define INCL_WIN
#include <os2wrap.h>	//Odin32 OS/2 api wrappers
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <misc.h>
#include <win32type.h>
#include <winexedummy.h>
#include <winconst.h>
#include <win32api.h>
#include <wprocess.h>

//******************************************************************************
//Create Dummy Exe object
//******************************************************************************
BOOL WIN32API RegisterDummyExe(LPSTR pszExeName)
{
  if(WinExe != NULL) //should never happen
    	delete(WinExe);

  Win32DummyExe *winexe;

  winexe = new Win32DummyExe(pszExeName);

  if(winexe) {
        InitCommandLine(FALSE);
   	winexe->start();
  }
  else {
      	eprintf(("Win32DummyExe creation failed!\n"));
      	DebugInt3();
   	return FALSE;
  }
  return TRUE;
}
//******************************************************************************
//******************************************************************************
Win32DummyExe::Win32DummyExe(LPSTR pszExeName)
                 : Win32ImageBase(-1),
		   Win32ExeBase(-1), header(0)
{
  dprintf(("Win32DummyExe ctor: %s", pszExeName));
  hinstance = (HINSTANCE)buildHeader(1, 0, IMAGE_SUBSYSTEM_WINDOWS_GUI);
  strcpy(szModule, pszExeName);
  strcpy(szFileName, pszExeName);
  setFullPath(pszExeName);
}
//******************************************************************************
//******************************************************************************
Win32DummyExe::~Win32DummyExe()
{
  if(header) {
	DosFreeMem(header);
  }
}
//******************************************************************************
//******************************************************************************
ULONG Win32DummyExe::start()
{
    return 0;
}
//******************************************************************************
//******************************************************************************
ULONG Win32DummyExe::getApi(char *name)
{
    return 0;
}
//******************************************************************************
//******************************************************************************
ULONG Win32DummyExe::getApi(int ordinal)
{
    return 0;
}
//******************************************************************************
//******************************************************************************
LPVOID Win32DummyExe::buildHeader(DWORD MajorImageVersion, DWORD MinorImageVersion,
                                  DWORD Subsystem) 
{
 APIRET rc;
 IMAGE_DOS_HEADER *pdosheader;
 PIMAGE_OPTIONAL_HEADER poh;
 PIMAGE_FILE_HEADER     pfh;
 DWORD *ntsig;

  rc = DosAllocMem(&header, 4096, PAG_READ | PAG_WRITE | PAG_COMMIT);
  if(rc) {
	dprintf(("ERROR: buildHeader DosAllocMem failed!! (rc=%x)", rc));
        DebugInt3();
	return NULL;
  }
  memcpy(header, dosHeader, sizeof(dosHeader));
  ntsig  = (DWORD *)((LPBYTE)header + sizeof(dosHeader));
  *ntsig = IMAGE_NT_SIGNATURE;
  pfh    = (PIMAGE_FILE_HEADER)(ntsig+1);
  pfh->Machine              = IMAGE_FILE_MACHINE_I386;
  pfh->NumberOfSections     = 0;
  pfh->TimeDateStamp        = 0x3794f60f;
  pfh->PointerToSymbolTable = 0;
  pfh->NumberOfSymbols      = 0;
  pfh->SizeOfOptionalHeader = sizeof(IMAGE_OPTIONAL_HEADER);
  pfh->Characteristics      = IMAGE_FILE_DLL | IMAGE_FILE_32BIT_MACHINE | 
                              IMAGE_FILE_DEBUG_STRIPPED | IMAGE_FILE_EXECUTABLE_IMAGE | 
                              IMAGE_FILE_RELOCS_STRIPPED;
  poh    = (PIMAGE_OPTIONAL_HEADER)(pfh+1);
  poh->Magic                       = IMAGE_NT_OPTIONAL_HDR_MAGIC;
  poh->MajorLinkerVersion          = 0x3;
  poh->MinorLinkerVersion          = 0xA;
  poh->SizeOfCode                  = 0;
  poh->SizeOfInitializedData       = 0;
  poh->SizeOfUninitializedData     = 0;
  poh->AddressOfEntryPoint         = 0;
  poh->BaseOfCode                  = 0;
  poh->BaseOfData                  = 0;
  poh->ImageBase                   = 0;
  poh->SectionAlignment            = 4096;
  poh->FileAlignment               = 512;
  poh->MajorOperatingSystemVersion = MajorImageVersion;
  poh->MinorOperatingSystemVersion = MinorImageVersion;
  poh->MajorImageVersion           = MajorImageVersion;
  poh->MinorImageVersion           = MinorImageVersion;
  poh->MajorSubsystemVersion       = ODINNT_MAJOR_VERSION;
  poh->MinorSubsystemVersion       = ODINNT_MINOR_VERSION;
  poh->Reserved1                   = 0;
  poh->SizeOfImage                 = 0;
  poh->SizeOfHeaders               = 1024;
  poh->CheckSum                    = 0;
  poh->Subsystem                   = Subsystem;
  poh->DllCharacteristics          = 0;
  poh->SizeOfStackReserve          = 1*1024*1024;
  poh->SizeOfStackCommit           = 4096;
  poh->SizeOfHeapReserve           = 1*1024*1024;
  poh->SizeOfHeapCommit            = 4096;
  poh->LoaderFlags                 = 0;
  poh->NumberOfRvaAndSizes         = 0;
//  poh->DataDirectory[0]

  return header;
}
//******************************************************************************
//******************************************************************************