mirror of
https://github.com/DxWnd/DxWnd.reloaded
synced 2024-12-30 09:25:35 +01:00
678 lines
25 KiB
C++
678 lines
25 KiB
C++
#include "dxwnd.h"
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#include "dxwcore.hpp"
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#include "syslibs.h"
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#include "dxhook.h"
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#include "dxhelper.h"
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#include "hddraw.h"
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#include "hddproxy.h"
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static HookEntry_Type Hooks[]={
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{"IsDebuggerPresent", (FARPROC)NULL, (FARPROC *)NULL, (FARPROC)extIsDebuggerPresent},
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{"GetProcAddress", (FARPROC)GetProcAddress, (FARPROC *)&pGetProcAddress, (FARPROC)extGetProcAddress},
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{"LoadLibraryA", (FARPROC)LoadLibraryA, (FARPROC *)&pLoadLibraryA, (FARPROC)extLoadLibraryA},
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{"LoadLibraryExA", (FARPROC)LoadLibraryExA, (FARPROC *)&pLoadLibraryExA, (FARPROC)extLoadLibraryExA},
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{"LoadLibraryW", (FARPROC)LoadLibraryW, (FARPROC *)&pLoadLibraryW, (FARPROC)extLoadLibraryW},
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{"LoadLibraryExW", (FARPROC)LoadLibraryExW, (FARPROC *)&pLoadLibraryExW, (FARPROC)extLoadLibraryExW},
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{"GetDriveTypeA", (FARPROC)NULL, (FARPROC *)&pGetDriveType, (FARPROC)extGetDriveType},
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{0, NULL, 0, 0} // terminator
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};
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static HookEntry_Type FixIOHooks[]={
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{"ReadFile", (FARPROC)NULL, (FARPROC *)&pReadFile, (FARPROC)extReadFile},
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{"CreateFileA", (FARPROC)NULL, (FARPROC *)&pCreateFile, (FARPROC)extCreateFile},
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{"SetFilePointer", (FARPROC)NULL, (FARPROC *)&pSetFilePointer, (FARPROC)extSetFilePointer},
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{"CloseHandle", (FARPROC)NULL, (FARPROC *)&pCloseHandle, (FARPROC)extCloseHandle},
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{0, NULL, 0, 0} // terminator
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};
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static HookEntry_Type LimitHooks[]={
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{"GetDiskFreeSpaceA", (FARPROC)GetDiskFreeSpaceA, (FARPROC *)&pGetDiskFreeSpaceA, (FARPROC)extGetDiskFreeSpaceA},
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{"GlobalMemoryStatus", (FARPROC)GlobalMemoryStatus, (FARPROC *)&pGlobalMemoryStatus, (FARPROC)extGlobalMemoryStatus},
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{0, NULL, 0, 0} // terminator
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};
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static HookEntry_Type TimeHooks[]={
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{"GetTickCount", (FARPROC)GetTickCount, (FARPROC *)&pGetTickCount, (FARPROC)extGetTickCount},
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{"GetLocalTime", (FARPROC)GetLocalTime, (FARPROC *)&pGetLocalTime, (FARPROC)extGetLocalTime},
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{"GetSystemTime", (FARPROC)GetSystemTime, (FARPROC *)&pGetSystemTime, (FARPROC)extGetSystemTime},
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{"GetSystemTimeAsFileTime", (FARPROC)GetSystemTimeAsFileTime, (FARPROC *)&pGetSystemTimeAsFileTime, (FARPROC)extGetSystemTimeAsFileTime},
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{"Sleep", (FARPROC)Sleep, (FARPROC *)&pSleep, (FARPROC)extSleep},
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{"SleepEx", (FARPROC)SleepEx, (FARPROC *)&pSleepEx, (FARPROC)extSleepEx},
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{"SetTimer", (FARPROC)SetTimer, (FARPROC *)&pSetTimer, (FARPROC)extSetTimer},
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{0, NULL, 0, 0} // terminator
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};
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static HookEntry_Type VersionHooks[]={
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{"GetVersion", (FARPROC)GetVersion, (FARPROC *)&pGetVersion, (FARPROC)extGetVersion},
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{"GetVersionEx", (FARPROC)GetVersionEx, (FARPROC *)&pGetVersionEx, (FARPROC)extGetVersionEx},
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{0, NULL, 0, 0} // terminator
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};
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static char *libname = "kernel32.dll";
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void HookKernel32(HMODULE module)
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{
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HookLibrary(module, Hooks, libname);
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if(dxw.dwFlags3 & BUFFEREDIOFIX) HookLibrary(module, FixIOHooks, libname);
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if(dxw.dwFlags2 & LIMITRESOURCES) HookLibrary(module, LimitHooks, libname);
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if(dxw.dwFlags2 & TIMESTRETCH) HookLibrary(module, TimeHooks, libname);
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if(dxw.dwFlags2 & FAKEVERSION) HookLibrary(module, VersionHooks, libname);
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}
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void HookKernel32Init()
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{
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HookLibInit(Hooks);
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HookLibInit(LimitHooks);
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HookLibInit(TimeHooks);
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HookLibInit(VersionHooks);
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}
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FARPROC Remap_kernel32_ProcAddress(LPCSTR proc, HMODULE hModule)
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{
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FARPROC addr;
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if (addr=RemapLibrary(proc, hModule, Hooks)) return addr;
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if(dxw.dwFlags3 & BUFFEREDIOFIX)
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if (addr=RemapLibrary(proc, hModule, FixIOHooks)) return addr;
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if(dxw.dwFlags2 & LIMITRESOURCES)
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if (addr=RemapLibrary(proc, hModule, LimitHooks)) return addr;
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if(dxw.dwFlags2 & TIMESTRETCH)
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if (addr=RemapLibrary(proc, hModule, TimeHooks)) return addr;
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if(dxw.dwFlags2 & FAKEVERSION)
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if (addr=RemapLibrary(proc, hModule, VersionHooks)) return addr;
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return NULL;
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}
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extern DirectDrawEnumerate_Type pDirectDrawEnumerate;
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extern DirectDrawEnumerateEx_Type pDirectDrawEnumerateEx;
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extern void HookModule(HMODULE, int);
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int WINAPI extIsDebuggerPresent(void)
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{
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OutTraceD("extIsDebuggerPresent: return FALSE\n");
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return FALSE;
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}
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BOOL WINAPI extGetDiskFreeSpaceA(LPCSTR lpRootPathName, LPDWORD lpSectorsPerCluster, LPDWORD lpBytesPerSector, LPDWORD lpNumberOfFreeClusters, LPDWORD lpTotalNumberOfClusters)
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{
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BOOL ret;
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OutTraceD("GetDiskFreeSpace: RootPathName=\"%s\"\n", lpRootPathName);
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ret=(*pGetDiskFreeSpaceA)(lpRootPathName, lpSectorsPerCluster, lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters);
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if(!ret) OutTraceE("GetDiskFreeSpace: ERROR err=%d at %d\n", GetLastError(), __LINE__);
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*lpNumberOfFreeClusters = 16000;
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return ret;
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}
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/* -------------------------------------------------------------------------------
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GlobalMemoryStatus: MSDN documents that on modern PCs that have more than DWORD
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memory values the GlobalMemoryStatus sets the fields to -1 (0xFFFFFFFF) and you
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should use GlobalMemoryStatusEx instead.
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But in some cases the value is less that DWORD max, but greater that DWORD>>1, that
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is the calling application may get a big value and see it as a signed negative
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value, as it happened to Nocturne on my PC. That's why it's not adviseable to write:
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if(lpBuffer->dwTotalPhys== -1) ...
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but this way:
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if ((int)lpBuffer->dwTotalPhys < 0) ...
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and also don't set
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BIGENOUGH 0x80000000 // possibly negative!!!
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but:
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BIGENOUGH 0x20000000 // surely positive !!!
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/* ---------------------------------------------------------------------------- */
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#define BIGENOUGH 0x20000000
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void WINAPI extGlobalMemoryStatus(LPMEMORYSTATUS lpBuffer)
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{
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(*pGlobalMemoryStatus)(lpBuffer);
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OutTraceD("GlobalMemoryStatus: Length=%x MemoryLoad=%x "
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"TotalPhys=%x AvailPhys=%x TotalPageFile=%x AvailPageFile=%x TotalVirtual=%x AvailVirtual=%x\n",
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lpBuffer->dwMemoryLoad, lpBuffer->dwTotalPhys, lpBuffer->dwAvailPhys,
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lpBuffer->dwTotalPageFile, lpBuffer->dwAvailPageFile, lpBuffer->dwTotalVirtual, lpBuffer->dwAvailVirtual);
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if(lpBuffer->dwLength==sizeof(MEMORYSTATUS)){
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if ((int)lpBuffer->dwTotalPhys < 0) lpBuffer->dwTotalPhys = BIGENOUGH;
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if ((int)lpBuffer->dwAvailPhys < 0) lpBuffer->dwAvailPhys = BIGENOUGH;
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if ((int)lpBuffer->dwTotalPageFile < 0) lpBuffer->dwTotalPageFile = BIGENOUGH;
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if ((int)lpBuffer->dwAvailPageFile < 0) lpBuffer->dwAvailPageFile = BIGENOUGH;
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if ((int)lpBuffer->dwTotalVirtual < 0) lpBuffer->dwTotalVirtual = BIGENOUGH;
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if ((int)lpBuffer->dwAvailVirtual < 0) lpBuffer->dwAvailVirtual = BIGENOUGH;
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}
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}
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/*
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From MSDN:
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Operating system Version number dwMajorVersion dwMinorVersion Other
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Windows 8 6.2 6 2 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
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Windows Server 2012 6.2 6 2 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
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Windows 7 6.1 6 1 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
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Windows Server 2008 R2 6.1 6 1 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
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Windows Server 2008 6.0 6 0 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
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Windows Vista 6.0 6 0 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
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Windows Server 2003 R2 5.2 5 2 GetSystemMetrics(SM_SERVERR2) != 0
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Windows Home Server 5.2 5 2 OSVERSIONINFOEX.wSuiteMask & VER_SUITE_WH_SERVER
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Windows Server 2003 5.2 5 2 GetSystemMetrics(SM_SERVERR2) == 0
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Windows XP Pro x64 Ed. 5.2 5 2 (OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION) && (SYSTEM_INFO.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64)
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Windows XP 5.1 5 1 Not applicable
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Windows 2000 5.0 5 0 Not applicable
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From http://delphi.about.com/cs/adptips2000/a/bltip1100_2.htm
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Windows 95 4.0 4 0
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Windows 98/SE" 4.10 4 10 if osVerInfo.szCSDVersion[1] = 'A' then Windows98SE
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Windows ME 4.90 4 90
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*/
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static struct {char bMajor; char bMinor; char *sName;} WinVersions[9]=
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{
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{4, 0, "Windows 95"},
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{4,10, "Windows 98/SE"},
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{4,90, "Windows ME"},
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{5, 0, "Windows 2000"},
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{5, 1, "Windows XP"},
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{5, 2, "Windows Server 2003"},
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{6, 0, "Windows Vista"},
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{6, 1, "Windows 7"},
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{6, 2, "Windows 8"}
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};
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BOOL WINAPI extGetVersionEx(LPOSVERSIONINFO lpVersionInfo)
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{
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BOOL ret;
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ret=(*pGetVersionEx)(lpVersionInfo);
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if(!ret) {
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OutTraceE("GetVersionEx: ERROR err=%d\n", GetLastError());
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return ret;
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}
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OutTraceD("GetVersionEx: version=%d.%d build=(%d)\n",
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lpVersionInfo->dwMajorVersion, lpVersionInfo->dwMinorVersion, lpVersionInfo->dwBuildNumber);
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if(dxw.dwFlags2 & FAKEVERSION) {
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// fake Win XP build 0
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lpVersionInfo->dwMajorVersion = WinVersions[dxw.FakeVersionId].bMajor;
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lpVersionInfo->dwMinorVersion = WinVersions[dxw.FakeVersionId].bMinor;
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lpVersionInfo->dwBuildNumber = 0;
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OutTraceD("GetVersionEx: FIXED version=%d.%d build=(%d) os=\"%s\"\n",
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lpVersionInfo->dwMajorVersion, lpVersionInfo->dwMinorVersion, lpVersionInfo->dwBuildNumber,
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WinVersions[dxw.FakeVersionId].sName);
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}
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return TRUE;
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}
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DWORD WINAPI extGetVersion(void)
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{
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DWORD dwVersion;
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DWORD dwMajorVersion;
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DWORD dwMinorVersion;
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DWORD dwBuild = 0;
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dwVersion = (*pGetVersion)();
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// Get the Windows version.
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dwMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion)));
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dwMinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion)));
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// Get the build number.
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if (dwVersion < 0x80000000)
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dwBuild = (DWORD)(HIWORD(dwVersion));
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OutTraceD("GetVersion: version=%d.%d build=(%d)\n", dwMajorVersion, dwMinorVersion, dwBuild);
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if(dxw.dwFlags2 & FAKEVERSION) {
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dwVersion = WinVersions[dxw.FakeVersionId].bMajor | (WinVersions[dxw.FakeVersionId].bMinor << 8);
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dwMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion)));
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dwMinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion)));
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dwBuild = (DWORD)(HIWORD(dwVersion));
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OutTraceD("GetVersion: FIXED version=%d.%d build=(%d) os=\"%s\"\n",
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dwMajorVersion, dwMinorVersion, dwBuild, WinVersions[dxw.FakeVersionId].sName);
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}
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return dwVersion;
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}
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/* -------------------------------------------------------------------------------
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time related APIs
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/* ---------------------------------------------------------------------------- */
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DWORD WINAPI extGetTickCount(void)
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{
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return dxw.GetTickCount();
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}
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void WINAPI extGetSystemTime(LPSYSTEMTIME lpSystemTime)
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{
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dxw.GetSystemTime(lpSystemTime);
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if (IsDebug) OutTrace("GetSystemTime: %02d:%02d:%02d.%03d\n",
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lpSystemTime->wHour, lpSystemTime->wMinute, lpSystemTime->wSecond, lpSystemTime->wMilliseconds);
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}
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void WINAPI extGetLocalTime(LPSYSTEMTIME lpLocalTime)
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{
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SYSTEMTIME SystemTime;
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dxw.GetSystemTime(&SystemTime);
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SystemTimeToTzSpecificLocalTime(NULL, &SystemTime, lpLocalTime);
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if (IsDebug) OutTrace("GetLocalTime: %02d:%02d:%02d.%03d\n",
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lpLocalTime->wHour, lpLocalTime->wMinute, lpLocalTime->wSecond, lpLocalTime->wMilliseconds);
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}
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UINT_PTR WINAPI extSetTimer(HWND hWnd, UINT_PTR nIDEvent, UINT uElapse, TIMERPROC lpTimerFunc)
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{
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UINT uShiftedElapse;
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// beware: the quicker the time flows, the more the time clicks are incremented,
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// and the lesser the pauses must be lasting! Shift operations are reverted in
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// GetSystemTime vs. Sleep or SetTimer
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uShiftedElapse = dxw.StretchTime(uElapse);
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if (IsDebug) OutTrace("SetTimer: elapse=%d->%d timeshift=%d\n", uElapse, uShiftedElapse, dxw.TimeShift);
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return (*pSetTimer)(hWnd, nIDEvent, uShiftedElapse, lpTimerFunc);
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}
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VOID WINAPI extSleep(DWORD dwMilliseconds)
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{
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DWORD dwNewDelay;
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dwNewDelay=dwMilliseconds;
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if (dwMilliseconds!=INFINITE && dwMilliseconds!=0){
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dwNewDelay = dxw.StretchTime(dwMilliseconds);
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if (dwNewDelay==0){ // oh oh! troubles...
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if (dxw.TimeShift > 0) dwNewDelay=1; // minimum allowed...
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else dwNewDelay = INFINITE-1; // maximum allowed !!!
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}
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}
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if (IsDebug) OutTrace("Sleep: msec=%d->%d timeshift=%d\n", dwMilliseconds, dwNewDelay, dxw.TimeShift);
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(*pSleep)(dwNewDelay);
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}
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DWORD WINAPI extSleepEx(DWORD dwMilliseconds, BOOL bAlertable)
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{
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DWORD dwNewDelay;
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dwNewDelay=dwMilliseconds;
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if (dwMilliseconds!=INFINITE && dwMilliseconds!=0){
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dwNewDelay = dxw.StretchTime(dwMilliseconds);
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if (dwNewDelay==0){ // oh oh! troubles...
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if (dxw.TimeShift > 0) dwNewDelay=1; // minimum allowed...
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else dwNewDelay = INFINITE-1; // maximum allowed !!!
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}
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}
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if (IsDebug) OutTrace("SleepEx: msec=%d->%d alertable=%x, timeshift=%d\n", dwMilliseconds, dwNewDelay, bAlertable, dxw.TimeShift);
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return (*pSleepEx)(dwNewDelay, bAlertable);
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}
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void WINAPI extGetSystemTimeAsFileTime(LPFILETIME lpSystemTimeAsFileTime)
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{
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if (IsDebug) OutTrace("GetSystemTimeAsFileTime\n");
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dxw.GetSystemTimeAsFileTime(lpSystemTimeAsFileTime);
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}
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HMODULE SysLibs[SYSLIBIDX_MAX];
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HMODULE WINAPI LoadLibraryExWrapper(LPCTSTR lpFileName, HANDLE hFile, DWORD dwFlags, char *api)
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{
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HMODULE libhandle;
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int idx;
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libhandle=(*pLoadLibraryExA)(lpFileName, hFile, dwFlags);
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OutTraceD("%s: FileName=%s hFile=%x Flags=%x(%s) hmodule=%x\n", api, lpFileName, hFile, dwFlags, ExplainLoadLibFlags(dwFlags), libhandle);
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if(!libhandle){
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OutTraceE("%s: ERROR FileName=%s err=%d\n", api, lpFileName, GetLastError());
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return libhandle;
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}
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// when loaded with LOAD_LIBRARY_AS_DATAFILE or LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE flags,
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// there's no symbol map, then it<69>s no possible to hook function calls.
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if(dwFlags & (LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE|LOAD_LIBRARY_AS_DATAFILE)) return libhandle;
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idx=dxw.GetDLLIndex((char *)lpFileName);
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if(idx != -1) SysLibs[idx]=libhandle;
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// handle custom OpenGL library
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if(!lstrcmpi(lpFileName,dxw.CustomOpenGLLib)){
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idx=SYSLIBIDX_OPENGL;
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SysLibs[idx]=libhandle;
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}
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if (idx == -1) HookModule(libhandle, 0);
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return libhandle;
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}
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HMODULE WINAPI extLoadLibraryA(LPCTSTR lpFileName)
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{
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return LoadLibraryExWrapper(lpFileName, NULL, 0, "LoadLibraryA");
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}
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HMODULE WINAPI extLoadLibraryW(LPCWSTR lpFileName)
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{
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char sFileName[256+1];
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wcstombs_s(NULL, sFileName, lpFileName, 80);
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return LoadLibraryExWrapper(sFileName, NULL, 0, "LoadLibraryW");;
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}
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HMODULE WINAPI extLoadLibraryExA(LPCTSTR lpFileName, HANDLE hFile, DWORD dwFlags)
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{
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return LoadLibraryExWrapper(lpFileName, hFile, dwFlags, "LoadLibraryExA");
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}
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HMODULE WINAPI extLoadLibraryExW(LPCWSTR lpFileName, HANDLE hFile, DWORD dwFlags)
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{
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char sFileName[256+1];
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wcstombs_s(NULL, sFileName, lpFileName, 80);
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return LoadLibraryExWrapper(sFileName, hFile, dwFlags, "LoadLibraryExW");;
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}
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extern DirectDrawCreate_Type pDirectDrawCreate;
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extern DirectDrawCreateEx_Type pDirectDrawCreateEx;
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extern HRESULT WINAPI extDirectDrawCreate(GUID FAR *, LPDIRECTDRAW FAR *, IUnknown FAR *);
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extern HRESULT WINAPI extDirectDrawCreateEx(GUID FAR *, LPDIRECTDRAW FAR *, REFIID, IUnknown FAR *);
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extern GetProcAddress_Type pGetProcAddress;
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//extern HRESULT STDAPICALLTYPE extCoCreateInstance(REFCLSID, LPUNKNOWN, DWORD, REFIID, LPVOID FAR*);
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FARPROC WINAPI extGetProcAddress(HMODULE hModule, LPCSTR proc)
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{
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FARPROC ret;
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int idx;
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// WARNING: seems to be called with bad LPCSTR value....
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// from MSDN:
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// The function or variable name, or the function's ordinal value.
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// If this parameter is an ordinal value, it must be in the low-order word;
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// the high-order word must be zero.
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OutTraceD("GetProcAddress: hModule=%x proc=%s\n", hModule, ProcToString(proc));
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for(idx=0; idx<SYSLIBIDX_MAX; idx++){
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if(SysLibs[idx]==hModule) break;
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}
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// to do: the else condition: the program COULD load addresses by ordinal value ... done ??
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// to do: CoCreateInstanceEx
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if((DWORD)proc & 0xFFFF0000){
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FARPROC remap;
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switch(idx){
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case SYSLIBIDX_DIRECTDRAW:
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if (remap=Remap_ddraw_ProcAddress(proc, hModule)) return remap;
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break;
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case SYSLIBIDX_USER32:
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if (remap=Remap_user32_ProcAddress(proc, hModule)) return remap;
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break;
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case SYSLIBIDX_KERNEL32:
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if (remap=Remap_kernel32_ProcAddress(proc, hModule)) return remap;
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break;
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case SYSLIBIDX_IMELIB:
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if (remap=Remap_ImeLib_ProcAddress(proc, hModule)) return remap;
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break;
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case SYSLIBIDX_WINMM:
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if (remap=Remap_WinMM_ProcAddress(proc, hModule)) return remap;
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break;
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case SYSLIBIDX_OLE32:
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if (remap=Remap_ole32_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D8:
|
||
if (remap=Remap_d3d8_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D9:
|
||
if (remap=Remap_d3d9_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D10:
|
||
if (remap=Remap_d3d10_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D10_1:
|
||
if (remap=Remap_d3d10_1_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT2D11:
|
||
if (remap=Remap_d3d11_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_OPENGL:
|
||
if (remap=Remap_gl_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_MSVFW:
|
||
if (remap=Remap_vfw_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_SMACK:
|
||
if (remap=Remap_smack_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_WINTRUST:
|
||
if (remap=Remap_trust_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_ADVAPI32:
|
||
if (remap=Remap_AdvApi32_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D:
|
||
if (remap=Remap_d3d7_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
case SYSLIBIDX_DIRECT3D700:
|
||
if (remap=Remap_d3d7_ProcAddress(proc, hModule)) return remap;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
else {
|
||
switch(idx){
|
||
case SYSLIBIDX_DIRECTDRAW:
|
||
switch((DWORD)proc){
|
||
case 0x0008: // DirectDrawCreate
|
||
pDirectDrawCreate=(DirectDrawCreate_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceD("GetProcAddress: hooking proc=%s at addr=%x\n", ProcToString(proc), pDirectDrawCreate);
|
||
return (FARPROC)extDirectDrawCreate;
|
||
break;
|
||
case 0x000A: // DirectDrawCreateEx
|
||
pDirectDrawCreateEx=(DirectDrawCreateEx_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceD("GetProcAddress: hooking proc=%s at addr=%x\n", ProcToString(proc), pDirectDrawCreateEx);
|
||
return (FARPROC)extDirectDrawCreateEx;
|
||
break;
|
||
case 0x000B: // DirectDrawEnumerateA
|
||
pDirectDrawEnumerate=(DirectDrawEnumerate_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceP("GetProcAddress: hooking proc=%s at addr=%x\n", proc, pDirectDrawEnumerate);
|
||
return (FARPROC)extDirectDrawEnumerateProxy;
|
||
break;
|
||
case 0x000C: // DirectDrawEnumerateExA
|
||
pDirectDrawEnumerateEx=(DirectDrawEnumerateEx_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceP("GetProcAddress: hooking proc=%s at addr=%x\n", proc, pDirectDrawEnumerateEx);
|
||
return (FARPROC)extDirectDrawEnumerateExProxy;
|
||
break;
|
||
}
|
||
break;
|
||
case SYSLIBIDX_USER32:
|
||
if ((DWORD)proc == 0x0020){ // ChangeDisplaySettingsA
|
||
pChangeDisplaySettings=(ChangeDisplaySettings_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceD("GetProcAddress: hooking proc=%s at addr=%x\n", ProcToString(proc), pChangeDisplaySettings);
|
||
return (FARPROC)extChangeDisplaySettings;
|
||
}
|
||
break;
|
||
#ifndef ANTICHEATING
|
||
case SYSLIBIDX_KERNEL32:
|
||
if ((DWORD)proc == 0x022D){ // "IsDebuggerPresent"
|
||
OutTraceD("GetProcAddress: hooking proc=%s at addr=%x\n", ProcToString(proc), extIsDebuggerPresent);
|
||
return (FARPROC)extIsDebuggerPresent;
|
||
}
|
||
#endif
|
||
case SYSLIBIDX_OLE32:
|
||
if ((DWORD)proc == 0x0011){ // "CoCreateInstance"
|
||
pCoCreateInstance=(CoCreateInstance_Type)(*pGetProcAddress)(hModule, proc);
|
||
OutTraceD("GetProcAddress: hooking proc=%s at addr=%x\n", ProcToString(proc), pCoCreateInstance);
|
||
return (FARPROC)extCoCreateInstance;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
ret=(*pGetProcAddress)(hModule, proc);
|
||
OutTraceD("GetProcAddress: ret=%x\n", ret);
|
||
return ret;
|
||
}
|
||
|
||
UINT WINAPI extGetDriveType(LPCTSTR lpRootPathName)
|
||
{
|
||
OutTraceD("GetDriveType: path=\"%s\"\n", lpRootPathName);
|
||
if (dxw.dwFlags3 & CDROMDRIVETYPE) return DRIVE_CDROM;
|
||
return (*pGetDriveType)(lpRootPathName);
|
||
}
|
||
|
||
static HANDLE LastFile=NULL;
|
||
static int Where=0;
|
||
static DWORD FileLength;
|
||
static DWORD IOHeapSize;
|
||
static HANDLE IOHeap;
|
||
|
||
BOOL WINAPI extReadFile(HANDLE hFile, LPVOID lpBuffer, DWORD nNumberOfBytesToRead, LPDWORD lpNumberOfBytesRead, LPOVERLAPPED lpOverlapped)
|
||
{
|
||
BOOL ret;
|
||
static char *IOBuffer=NULL;
|
||
DWORD BytesRead;
|
||
DWORD Cursor;
|
||
//HANDLE hFileRead;
|
||
|
||
OutTrace("ReadFile: hFile=%x Buffer=%x BytesToRead=%d\n", hFile, lpBuffer, nNumberOfBytesToRead);
|
||
|
||
#define SECTOR_SIZE 4096
|
||
//#define LEGACY_SIZE 1024
|
||
#define LEGACY_SIZE 1024
|
||
|
||
if(!IOBuffer) { // initial allocation
|
||
IOHeap=HeapCreate(0, 0, 0);
|
||
IOHeapSize = SECTOR_SIZE*200;
|
||
if(IOHeap==NULL) OutTraceE("HeapCreate ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
IOBuffer=(char *)HeapAlloc(IOHeap, 0, IOHeapSize);
|
||
if(IOBuffer==0) OutTraceE("HeapAlloc ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
OutTrace("ReadFile: Heap=%x Buffer=%x\n", IOHeap, IOBuffer);
|
||
}
|
||
|
||
// if reading current cached file ....
|
||
if(hFile==LastFile){
|
||
OutTrace("ReadFile: BUFFERED BEFORE BytesRequested=%d FileSize=%d where=%d\n",
|
||
nNumberOfBytesToRead, FileLength, Where);
|
||
if((Where+nNumberOfBytesToRead)<=FileLength)
|
||
*lpNumberOfBytesRead=nNumberOfBytesToRead;
|
||
else
|
||
*lpNumberOfBytesRead=FileLength-Where;
|
||
if (*lpNumberOfBytesRead < 0) *lpNumberOfBytesRead=0;
|
||
memcpy((char *)lpBuffer, IOBuffer+Where, *lpNumberOfBytesRead);
|
||
OutTrace("ReadFile: ");
|
||
for(unsigned int i=0; i<*lpNumberOfBytesRead; i++) OutTrace("%02X,", *((unsigned char *)lpBuffer+i));
|
||
OutTrace("\n");
|
||
OutTrace("ReadFile: BUFFERED READ BytesRequested=%d BytesRead=%d where=%d\n",
|
||
nNumberOfBytesToRead, *lpNumberOfBytesRead, Where);
|
||
Where += (*lpNumberOfBytesRead);
|
||
//Where = ((Where+(LEGACY_SIZE-1)) / LEGACY_SIZE) * LEGACY_SIZE;
|
||
return TRUE;
|
||
}
|
||
|
||
LastFile=hFile;
|
||
Where=Cursor=0;
|
||
// get the whole file
|
||
Where=(*pSetFilePointer)(hFile, 0, 0, FILE_CURRENT);
|
||
if(Where==INVALID_SET_FILE_POINTER){
|
||
OutTraceE("SetFilePointer ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
return FALSE;
|
||
}
|
||
if((*pSetFilePointer)(hFile, 0, 0, FILE_BEGIN)==INVALID_SET_FILE_POINTER){
|
||
OutTraceE("SetFilePointer ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
return FALSE;
|
||
}
|
||
OutTrace("SetFilePointer: current pos=%d\n", Where);
|
||
//hFileRead=ReOpenFile(hFile, 0, 0, 0);
|
||
do {// try to read it all
|
||
// when space is not enough, let's grow!
|
||
if((DWORD)(Cursor+SECTOR_SIZE) > (DWORD)IOHeapSize){
|
||
OutTrace("HeapReAlloc: about to add another chunk... current size=%d\n", IOHeapSize);
|
||
IOHeapSize += (200*SECTOR_SIZE);
|
||
IOBuffer=(char *)HeapReAlloc(IOHeap, 0, IOBuffer, IOHeapSize);
|
||
if(IOBuffer==0) OutTraceE("HeapReAlloc ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
}
|
||
ret=(*pReadFile)(hFile, IOBuffer+Cursor, SECTOR_SIZE, &BytesRead, NULL); // read one block
|
||
if(!ret)
|
||
OutTrace("ReadFIle ERROR: err=%d at %d\n", GetLastError(), __LINE__);
|
||
else
|
||
OutTrace("ReadFIle: BytesRead=%d\n", BytesRead);
|
||
Cursor+=BytesRead;
|
||
if (ret && BytesRead == 0) ret=FALSE; // eof
|
||
} while(ret);
|
||
//CloseHandle(hFileRead);
|
||
OutTrace("ReadFIle: BUFFERED FileSize=%d\n", Cursor);
|
||
FileLength=Cursor;
|
||
|
||
// recurse ...
|
||
return extReadFile(hFile, lpBuffer, nNumberOfBytesToRead, lpNumberOfBytesRead, lpOverlapped);
|
||
}
|
||
|
||
HANDLE WINAPI extCreateFile(LPCTSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
|
||
LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition,
|
||
DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
|
||
{
|
||
HANDLE ret;
|
||
OutTrace("CreateFile: FileName=%s DesiredAccess=%x SharedMode=%x Disposition=%x Flags=%x\n",
|
||
lpFileName, dwDesiredAccess, dwShareMode, dwCreationDisposition, dwFlagsAndAttributes);
|
||
|
||
//dwFlagsAndAttributes &= ~FILE_FLAG_NO_BUFFERING;
|
||
|
||
ret=(*pCreateFile)(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
||
if(ret && (ret != (HANDLE)INVALID_SET_FILE_POINTER))
|
||
OutTrace("CreateFile: ret=%x\n", ret);
|
||
else
|
||
OutTraceE("CreateFile ERROR: err=%d\n", GetLastError());
|
||
return ret;
|
||
}
|
||
|
||
BOOL WINAPI extCloseHandle(HANDLE hObject)
|
||
{
|
||
if (hObject==LastFile) {
|
||
LastFile=0; // invalidate cache
|
||
OutTrace("CloseHandle: INVALIDATE CACHE hFile=%x\n", hObject);
|
||
}
|
||
|
||
return (*pCloseHandle)(hObject);
|
||
}
|
||
|
||
DWORD WINAPI extSetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceToMoveHigh, DWORD dwMoveMethod)
|
||
{
|
||
DWORD ret;
|
||
OutTrace("SetFilePointer: hFile=%x DistanceToMove=%ld DistanceToMoveHigh=%x MoveMethod=%x\n",
|
||
hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod);
|
||
|
||
// if cached file ...
|
||
if(LastFile==hFile){
|
||
int LastPos=Where;
|
||
if(!lpDistanceToMoveHigh){
|
||
OutTrace("SetFilePointer: buffered move\n");
|
||
switch(dwMoveMethod){
|
||
case FILE_BEGIN: Where=lDistanceToMove; break;
|
||
case FILE_CURRENT: Where+=lDistanceToMove; break;
|
||
case FILE_END: Where=FileLength-lDistanceToMove; break;
|
||
}
|
||
//if(Where % LEGACY_SIZE){
|
||
// Where=LastPos;
|
||
// SetLastError(ERROR_INVALID_PARAMETER);
|
||
// OutTrace("SetFilePointer: ret=INVALID_SET_FILE_POINTER pos=%d\n", Where);
|
||
// return INVALID_SET_FILE_POINTER;
|
||
//}
|
||
|
||
// Where = ((Where + LEGACY_SIZE-1) / LEGACY_SIZE) * LEGACY_SIZE;
|
||
|
||
Where = (Where / LEGACY_SIZE) * LEGACY_SIZE;
|
||
|
||
OutTrace("SetFilePointer: ret=0x%x(#%d)\n", Where, Where);
|
||
return Where;
|
||
}
|
||
}
|
||
|
||
// proxy
|
||
ret=(*pSetFilePointer)(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod);
|
||
if(lpDistanceToMoveHigh){
|
||
if(ret)
|
||
OutTrace("SetFilePointer: DistanceToMoveHigh=%x\n", *lpDistanceToMoveHigh);
|
||
else
|
||
OutTraceE("SetFilePointer ERROR: err=%d\n", GetLastError());
|
||
}
|
||
else{
|
||
if(ret==INVALID_SET_FILE_POINTER)
|
||
OutTraceE("SetFilePointer ERROR: err=%d\n", GetLastError());
|
||
else
|
||
OutTrace("SetFilePointer: ret=%x\n", ret);
|
||
}
|
||
return ret;
|
||
}
|