
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7089 212acab6-be3b-0410-9dea-997c60f758d6
1615 lines
53 KiB
C
1615 lines
53 KiB
C
// System.cpp : Defines the entry point for the DLL application.
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//
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// Unicode support by Jim Park & Olivier Marcoux
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#include "stdafx.h"
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#include "Plugin.h"
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#include "Buffers.h"
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#include "System.h"
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#ifndef __GNUC__
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#define _DECL_DLLMAIN /* enable prototypes for DllMain and _CRT_INIT */
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#include <process.h>
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#include <crtdbg.h>
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#else
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#define _RPT0(type, msg)
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#define _CRT_WARN 0
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#endif /* __GNUC__ */
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#include <objbase.h>
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// Parse Section Type
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#define PST_PROC 0
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#define PST_PARAMS 1
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#define PST_RETURN 2
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#define PST_OPTIONS 3
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#define PCD_NONE 0
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#define PCD_PROC 1
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#define PCD_PARAMS 2
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#define PCD_DONE 3 // Just Continue
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const int PARAMSIZEBYTYPE_PTR = (4==sizeof(void*)) ? 1 : 2;
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const int ParamSizeByType[8] = {
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0, // PAT_VOID (Size will be equal to 1) //BUGBUG64?
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1, // PAT_INT
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2, // PAT_LONG
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sizeof(void*) / 4, // PAT_STRING //BUGBUG64?
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sizeof(void*) / 4, // PAT_WSTRING //BUGBUG64?
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sizeof(void*) / 4, // PAT_GUID //BUGBUG64?
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0, // PAT_CALLBACK (Size will be equal to 1) //BUGBUG64?
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0 // PAT_REGMEM //BUGBUG64?
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};
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// The size of the base type when used in a struct with the '&' syntax (multiply by (Option - PAO_ARRBASE) to get the real size)
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static const int ByteSizeByType[8] = {
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1, // PAT_VOID
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1, // PAT_INT
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1, // PAT_LONG
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1, // PAT_STRING
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2, // PAT_WSTRING (Special case for &wN notation: N is a number of WCHAR, not a number of bytes)
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1, // PAT_GUID (Must stay 1 for compatibility with the old '*(&g16,i)i.s' syntax)
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1, // PAT_CALLBACK
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1 // PAT_REGMEM
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};
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int LastStackPlace;
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int LastStackReal;
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DWORD LastError;
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volatile SystemProc *LastProc;
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int CallbackIndex;
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CallbackThunk* g_CallbackThunkListHead;
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HINSTANCE g_hInstance;
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// Return to callback caller with stack restore
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char retexpr[4]; //BUGBUG64?
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HANDLE retaddr;
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static TCHAR *MakeResultStr(SystemProc *proc, TCHAR *buf)
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{
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if (proc->ProcResult == PR_CALLBACK)
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{
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INT_PTR id = proc->CallbackIndex;
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#ifdef POPT_SYNTAX2
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if (proc->Options & POPT_SYNTAX2)
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id = (INT_PTR) GetAssociatedSysProcFromCallbackThunkPtr(proc->Proc);
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#endif
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wsprintf(buf, sizeof(void*) > 4 ? _T("callback%Id") : _T("callback%d"), id); // "%d" must match format used by system_pushintptr() in Get() because script will StrCmp!
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}
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else
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{
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const TCHAR *resstr = _T("error");
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if (proc->ProcResult == PR_OK)
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resstr = _T("ok");
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lstrcpy(buf, resstr);
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}
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return buf;
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}
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TCHAR *AllocResultStr(SystemProc *proc)
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{
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return MakeResultStr(proc, AllocString());
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}
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#ifdef SYSTEM_LOG_DEBUG
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#ifndef COUNTOF
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#define COUNTOF(a) ( sizeof(a) / sizeof(a[0]) )
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#endif
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// System log debugging turned on
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#define SYSTEM_LOG_ADD(a) do{ register int _len = lstrlen(syslogbuf); lstrcpyn(syslogbuf + _len, a, COUNTOF(syslogbuf) - _len); }while(0)
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#define SYSTEM_LOG_POST do{ SYSTEM_LOG_ADD(_T("\n")); WriteToLog(syslogbuf); *syslogbuf = 0; }while(0)
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HANDLE logfile = NULL;
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TCHAR syslogbuf[4096] = _T("");
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int logop = 0;
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void WriteToLog(TCHAR *buffer)
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{
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DWORD written;
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TCHAR timebuffer[128];
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GetTickCount();
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if (logfile == NULL) return;
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SetFilePointer(logfile, 0, 0, FILE_END);
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if (-1 != logop)
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{
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wsprintf(timebuffer, _T("%04d %04d.%03d "), (++logop)%10000,
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(GetTickCount() / 1000) % 10000, GetTickCount() % 1000);
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#ifdef _UNICODE
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#ifdef _RPTW0
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_RPTW0(_CRT_WARN, timebuffer);
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_RPTW0(_CRT_WARN, buffer);
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#endif
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#else
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_RPT0(_CRT_WARN, timebuffer);
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_RPT0(_CRT_WARN, buffer);
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#endif
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WriteFile(logfile, timebuffer, lstrlen(timebuffer)*sizeof(TCHAR), &written, NULL);
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}
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WriteFile(logfile, buffer, lstrlen(buffer)*sizeof(TCHAR), &written, NULL);
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// FlushFileBuffers(logfile);
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}
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PLUGINFUNCTION(Debug)
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{
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TCHAR *o1;
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o1 = system_popstring();
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if (logfile == NULL)
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if (lstrlen(o1) > 0)
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{
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SYSTEMTIME t;
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TCHAR buffer[1024], buftime[1024], bufdate[1024];
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// Init debugging
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logfile = CreateFile(o1, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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SetFilePointer(logfile, 0, 0, FILE_END);
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logop = 0;
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#ifdef _UNICODE
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{ // write Unicode Byte-Order Mark
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DWORD written;
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unsigned short bom = 0xfeff;
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WriteFile(logfile, &bom, 2, &written, NULL);
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}
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#endif
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GetLocalTime(&t);
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GetTimeFormat(LOCALE_SYSTEM_DEFAULT, LOCALE_NOUSEROVERRIDE, &t, NULL, buftime, 1024);
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GetDateFormat(LOCALE_SYSTEM_DEFAULT, LOCALE_NOUSEROVERRIDE, &t, NULL, bufdate, 1024);
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wsprintf(buffer, _T("System, %s %s [build %hs %hs]\n"), buftime, bufdate, __TIME__, __DATE__);
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WriteToLog(buffer);
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} else ;
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else
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if (lstrlen(o1) > 0)
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{
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// Log in to log file
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int orglogop;
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WriteToLog(o1);
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orglogop = logop, logop = -1;
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WriteToLog(_T("\n"));
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logop = orglogop;
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} else
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{
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// Stop debugging
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WriteToLog(_T("Debug stopped.\n\n\n"));
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CloseHandle(logfile);
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logfile = NULL;
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}
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if (o1) GlobalFree(o1);
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} PLUGINFUNCTIONEND
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#else
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// System log debugging turned off
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#define SYSTEM_EVENT(a)
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#define SYSTEM_LOG_ADD(a)
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#define SYSTEM_LOG_POST
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#endif
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/**
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* This function is useful for Unicode support. Since the Windows
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* GetProcAddress function always takes a char*, this function wraps
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* the windows call and does the appropriate translation when
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* appropriate.
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*
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* @param dllHandle Handle to the DLL loaded by LoadLibraryEx.
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* @param funcName The name of the function to get the address of.
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* @return The pointer to the function. Null if failure.
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*/
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void * NSISGetProcAddress(HMODULE dllHandle, TCHAR* funcName)
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{
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#ifdef _UNICODE
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char* ansiName = NULL;
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int len;
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void* funcPtr;
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len = WideCharToMultiByte(CP_ACP, 0, funcName, -1, ansiName, 0, NULL, NULL);
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ansiName = (char*) GlobalAlloc(GPTR, len);
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WideCharToMultiByte(CP_ACP, 0, funcName, -1, ansiName, len, NULL, NULL);
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funcPtr = GetProcAddress(dllHandle, ansiName);
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GlobalFree(ansiName);
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return funcPtr;
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#else
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return GetProcAddress(dllHandle, funcName);
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#endif
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}
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PLUGINFUNCTIONSHORT(Free)
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{
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HANDLE memtofree = (HANDLE)popintptr();
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if (g_CallbackThunkListHead)
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{
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CallbackThunk *pCb=g_CallbackThunkListHead,*pPrev=NULL;
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do
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{
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if (GetAssociatedSysProcFromCallbackThunkPtr(pCb) == (SystemProc*)memtofree)
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{
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if (pPrev)
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pPrev->pNext=pCb->pNext;
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else
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g_CallbackThunkListHead=pCb->pNext;
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--(CallbackIndex);
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VirtualFree(pCb,0,MEM_RELEASE);
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break;
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}
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pPrev=pCb;
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pCb=pCb->pNext;
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}
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while( pCb != NULL );
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}
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GlobalFree(memtofree);
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}
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PLUGINFUNCTIONEND
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PLUGINFUNCTION(Get)
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{
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SystemProc *proc = PrepareProc(FALSE);
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if (proc == NULL)
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{
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system_pushstring(_T("error"));
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return;
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}
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SYSTEM_LOG_ADD(_T("Get "));
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SYSTEM_LOG_ADD(proc->DllName);
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SYSTEM_LOG_ADD(_T("::"));
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SYSTEM_LOG_ADD(proc->ProcName);
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//SYSTEM_LOG_ADD(_T("\n"));
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SYSTEM_LOG_POST;
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if (proc->Options & POPT_ALWRETURN)
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{
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// Always return flag set -> return separate proc and result
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system_pushintptr((INT_PTR) proc);
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GlobalFree(system_pushstring(AllocResultStr(proc)));
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}
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else
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{
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if (proc->ProcResult != PR_OK)
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{
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// No always return flag and error result - return result
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GlobalFree(system_pushstring(AllocResultStr(proc)));
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// If proc is permanent?
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if (!(proc->Options & POPT_PERMANENT))
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GlobalFree((HGLOBAL) proc); // No, free it
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}
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else // Ok result, return proc
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system_pushintptr((INT_PTR) proc);
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}
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} PLUGINFUNCTIONEND
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#ifdef SYSTEM_ARM64
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/*
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TODO: CallProc not implemeted.
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Fake the behavior of the System plugin for the LoadImage API function etc. so MUI works.
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BUGBUG: MUI is leaking DeleteObject
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*/
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SystemProc* CallProc(SystemProc *proc)
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{
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INT_PTR ret, *place;
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if (!lstrcmp(proc->ProcName, sizeof(TCHAR) > 1 ? _T("LoadImageW") : _T("LoadImageA")))
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{
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ret = (INT_PTR) LoadImage((HINSTANCE)proc->Params[1].Value, (LPCTSTR)proc->Params[2].Value, (UINT)proc->Params[3].Value, (int)proc->Params[4].Value, (int)proc->Params[5].Value, (UINT)proc->Params[6].Value);
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LastError = GetLastError();
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}
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else if (!lstrcmp(proc->ProcName, _T("GetClientRect")))
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ret = GetClientRect((HWND)proc->Params[1].Value, (RECT*)proc->Params[2].Value);
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else if (!lstrcmp(proc->ProcName, _T("GetWindowRect")))
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ret = GetWindowRect((HWND)proc->Params[1].Value, (RECT*)proc->Params[2].Value);
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else if (!lstrcmp(proc->ProcName, _T("MapWindowPoints")))
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ret = MapWindowPoints((HWND)proc->Params[1].Value, (HWND)proc->Params[2].Value, (POINT*)proc->Params[3].Value, (UINT)proc->Params[4].Value);
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else if (!lstrcmp(proc->ProcName, _T("SetWindowPos")))
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ret = SetWindowPos((HWND)proc->Params[1].Value, (HWND)proc->Params[2].Value, (int)proc->Params[3].Value, (int)proc->Params[4].Value, (int)proc->Params[5].Value, (int)proc->Params[6].Value, (UINT)proc->Params[7].Value);
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else if (!lstrcmp(proc->ProcName, _T("GetWindowLong")))
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ret = GetWindowLong((HWND)proc->Params[1].Value, (int)proc->Params[2].Value);
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else if (!lstrcmp(proc->ProcName, _T("SetWindowLong")))
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ret = SetWindowLong((HWND)proc->Params[1].Value, (int)proc->Params[2].Value, (LONG)proc->Params[3].Value);
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else if (!lstrcmp(proc->ProcName, _T("GetWindowText")))
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ret = GetWindowText((HWND)proc->Params[1].Value, (LPTSTR)proc->Params[2].Value, (int)proc->Params[3].Value);
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else if (!lstrcmp(proc->ProcName, _T("SendMessageA")))
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ret = SendMessageA((HWND)proc->Params[1].Value, (UINT)proc->Params[2].Value, (WPARAM)proc->Params[3].Value, (LPARAM)proc->Params[4].Value);
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else if (!lstrcmp(proc->ProcName, _T("SendMessage")) || !lstrcmp(proc->ProcName, _T("SendMessageW")))
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ret = SendMessageW((HWND)proc->Params[1].Value, (UINT)proc->Params[2].Value, (WPARAM)proc->Params[3].Value, (LPARAM)proc->Params[4].Value);
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else if (!lstrcmp(proc->ProcName, _T("GetVersionEx"))) // For winver
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ret = GetVersionEx((OSVERSIONINFO*)proc->Params[1].Value), LastError = GetLastError();
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else if (!lstrcmp(proc->ProcName, _T("GetNativeSystemInfo")))
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GetNativeSystemInfo((SYSTEM_INFO*)(ret = proc->Params[1].Value));
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else if (!lstrcmp(proc->ProcName, _T("CharNextW"))) // For x64
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ret = (INT_PTR) CharNextW((LPWSTR)proc->Params[1].Value);
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else if (!lstrcmp(proc->ProcName, _T("GetCurrentProcess"))) // For x64
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ret = (INT_PTR) GetCurrentProcess();
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else if (!lstrcmp(proc->ProcName, _T("IsWow64Process"))) // For x64
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{
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if (!(ret = (INT_PTR) GetProcAddress(LoadLibrary(_T("KERNEL32")), "IsWow64Process"))) goto fail;
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ret = ((BOOL(WINAPI*)(HANDLE,BOOL*))ret)((HANDLE)proc->Params[1].Value, (BOOL*)proc->Params[2].Value);
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}
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else if (!lstrcmp(proc->ProcName, _T("IsWow64Process2"))) // For x64
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{
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if (!(ret = (INT_PTR) GetProcAddress(LoadLibrary(_T("KERNEL32")), "IsWow64Process2"))) goto fail;
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ret = ((BOOL(WINAPI*)(HANDLE,USHORT*,USHORT*))ret)((HANDLE)proc->Params[1].Value, (USHORT*)proc->Params[2].Value, (USHORT*)proc->Params[3].Value);
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}
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else if (!lstrcmp(proc->ProcName, _T("Wow64EnableWow64FsRedirection"))) // For x64
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{
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if (!(ret = (INT_PTR) GetProcAddress(LoadLibrary(_T("KERNEL32")), "Wow64EnableWow64FsRedirection"))) goto fail;
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ret = ((BYTE(WINAPI*)(BYTE))ret)((BYTE)proc->Params[1].Value);
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}
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else fail:
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proc->ProcResult = PR_ERROR, ret = 0, LastError = ERROR_INVALID_FUNCTION;
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place = (INT_PTR*) proc->Params[0].Value;
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if (!ParamIsPointer(proc->Params[0])) place = (INT_PTR*) &(proc->Params[0].Value);
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if (place) *place = ret;
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return proc;
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}
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#endif //~ SYSTEM_ARM64
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#ifdef _WIN64
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/*
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BUGBUG: TODO: CallBack support not implemeted!
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*/
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SystemProc* CallBack(SystemProc *proc)
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{
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proc->ProcResult = PR_ERROR;
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return proc;
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}
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#endif //~ _WIN64
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PLUGINFUNCTION(Call)
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{
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// Prepare input
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SystemProc *proc = PrepareProc(TRUE);
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if (proc == NULL) return;
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SYSTEM_LOG_ADD(_T("Call "));
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SYSTEM_LOG_ADD(proc->DllName);
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SYSTEM_LOG_ADD(_T("::"));
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SYSTEM_LOG_ADD(proc->ProcName);
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//SYSTEM_LOG_ADD(_T("\n"));
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SYSTEM_LOG_POST;
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if (proc->ProcResult != PR_CALLBACK) ParamAllocate(proc);
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ParamsIn(proc);
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// Make the call
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if (proc->ProcResult != PR_ERROR)
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{
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switch (proc->ProcType)
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{
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case PT_NOTHING:
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if (proc->ProcResult == PR_CALLBACK)
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proc = CallBack(proc);
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break;
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case PT_PROC:
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case PT_VTABLEPROC:
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proc = CallProc(proc); break;
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case PT_STRUCT:
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CallStruct(proc); break;
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}
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}
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// Process output
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if (proc->Options & POPT_ALWRETURN)
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{
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// Always return flag set - return separate return and result
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ParamsOut(proc);
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GlobalFree(system_pushstring(AllocResultStr(proc)));
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}
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else
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{
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if (proc->ProcResult != PR_OK)
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{
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ProcParameter pp = proc->Params[0]; // Save old return param
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// Return result instead of return value
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TCHAR resstr[50];
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proc->Params[0].Value = (INT_PTR) MakeResultStr(proc, resstr);
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proc->Params[0].Type = PAT_TSTRING;
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proc->Params[0].allocatedBlock = NULL;
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ParamsOut(proc); // Return all params
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proc->Params[0] = pp; // Restore old return param
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}
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else
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ParamsOut(proc);
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}
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if (proc->ProcResult != PR_CALLBACK)
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{
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ParamsDeAllocate(proc);
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// if not callback - check for unload library option
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if ((proc->Options & POPT_UNLOAD) && proc->ProcType == PT_PROC && proc->Dll)
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FreeLibrary(proc->Dll); // and unload it :)
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// In case of POPT_ERROR - first pop will be proc error
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if ((proc->Options & POPT_ERROR) != 0) system_pushint(LastError);
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}
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// If proc is permanent?
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if (!(proc->Options & POPT_PERMANENT)) GlobalFree((HGLOBAL) proc); // No, free it
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} PLUGINFUNCTIONEND
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PLUGINFUNCTIONSHORT(Int64Op)
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{
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__int64 i1, i2 = 0, i3, i4;
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TCHAR *op;
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#ifndef _WIN64
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TCHAR buf[25], *o1, *o2;
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#endif
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// Get parameters: <num1> <op> [num2]
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#ifdef _WIN64
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i1 = system_popintptr();
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#else
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o1 = system_popstring(), i1 = myatoi64(o1);
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#endif
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op = system_popstring();
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if ((*op != _T('~')) && (*op != _T('!')))
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{
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#ifdef _WIN64
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i2 = system_popintptr();
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#else
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o2 = system_popstring(), i2 = myatoi64(o2), GlobalFree(o2);
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#endif
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}
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// Operation
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switch (*op)
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{
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case _T('+'): i1 += i2; break;
|
|
case _T('-'): i1 -= i2; break;
|
|
case _T('*'): i1 *= i2; break;
|
|
case _T('/'):
|
|
case _T('%'):
|
|
// It's unclear, but in this case compiler will use DivMod rountine
|
|
// instead of two separate Div and Mod rountines.
|
|
if (i2 == 0) { i3 = 0; i4 = i1; }
|
|
else {i3 = i1 / i2; i4 = i1 % i2; }
|
|
if (*op == _T('/')) i1 = i3; else i1 = i4;
|
|
break;
|
|
case _T('|'): if (op[1] == _T('|')) i1 = i1 || i2; else i1 |= i2; break;
|
|
case _T('&'): if (op[1] == _T('&')) i1 = i1 && i2; else i1 &= i2; break;
|
|
case _T('^'): i1 ^= i2; break;
|
|
case _T('~'): i1 = ~i1; break;
|
|
case _T('!'): i1 = !i1; break;
|
|
case _T('<'): if (op[1] == _T('<')) i1 = i1 << i2; else i1 = i1 < i2; break;
|
|
case _T('>'): if (op[1] == _T('>')) i1 = op[2] == _T('>') ? (UINT64)i1 >> (UINT64)i2 : i1 >> i2; else i1 = i1 > i2; break;
|
|
case _T('='): i1 = (i1 == i2); break;
|
|
}
|
|
|
|
// Output and freedom
|
|
#ifdef _WIN64
|
|
system_pushintptr(i1);
|
|
#else
|
|
myitoa64(i1, buf), system_pushstring(buf), GlobalFree(o1);
|
|
#endif
|
|
GlobalFree(op);
|
|
} PLUGINFUNCTIONEND
|
|
|
|
__int64 GetIntFromString(TCHAR **p)
|
|
{
|
|
TCHAR buffer[128], *b = buffer;
|
|
(*p)++; // First character should be skipped
|
|
while (((**p >= _T('a')) && (**p <= _T('f'))) || ((**p >= _T('A')) && (**p <= _T('F'))) || ((**p >= _T('0')) && (**p <= _T('9'))) || (**p == _T('X')) || (**p == _T('-')) || (**p == _T('x')) || (**p == _T('|'))) *(b++) = *((*p)++);
|
|
*b = 0;
|
|
(*p)--; // We should point at last digit
|
|
return myatoi64(buffer);
|
|
}
|
|
|
|
SystemProc *PrepareProc(BOOL NeedForCall)
|
|
{
|
|
int SectionType = PST_PROC, // First section is always proc spec
|
|
ProcType = PT_NOTHING, // Default proc spec
|
|
ChangesDone = 0,
|
|
ParamIndex = 0,
|
|
temp = 0, temp2, temp3;
|
|
INT_PTR temp4;
|
|
BOOL param_defined = FALSE;
|
|
SystemProc *proc = NULL;
|
|
TCHAR *ibuf, *ib, *sbuf, *cbuf, *cb;
|
|
unsigned int UsedTString = 0, aligntype, inpathq = 0;
|
|
#ifdef POPT_SYNTAX2
|
|
const UINT alignflag = PAT_ALIGNFLAG;
|
|
#else
|
|
const UINT alignflag = 0;
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
temp3 = 0; // "warning: 'temp3' may be used uninitialized in this function": temp3 is set to 0 when we start parsing a new parameter
|
|
#endif
|
|
|
|
// Retrieve proc specs
|
|
cb = (cbuf = AllocString()); // Current String buffer
|
|
sbuf = AllocString(); // Safe String buffer
|
|
ib = ibuf = system_popstring(); // Input string
|
|
|
|
// Parse the string
|
|
while (SectionType != -1)
|
|
{
|
|
// Check for Section Change
|
|
BOOL changed = TRUE;
|
|
ChangesDone = SectionType;
|
|
|
|
if (SectionType != PST_PROC && proc == NULL)
|
|
// no proc after PST_PROC is done means something is wrong with
|
|
// the call syntax and we'll get a crash because everything needs
|
|
// proc from here on.
|
|
break;
|
|
|
|
switch (*ib)
|
|
{
|
|
case 0x0:
|
|
SectionType = -1;
|
|
break;
|
|
case _T('#'): // "...#" redefines proc unless preceded by ":", then it's an ordinal (dll::#123)
|
|
if ((ib <= ibuf || *(ib-1) != _T(':') || PST_PROC != SectionType) && !inpathq)
|
|
SectionType = PST_PROC, ProcType = PT_NOTHING;
|
|
else
|
|
changed = FALSE;
|
|
break;
|
|
case _T('('):
|
|
if (inpathq)
|
|
changed = FALSE;
|
|
else
|
|
{
|
|
SectionType = PST_PARAMS;
|
|
// fake-real parameter: for COM interfaces first param is Interface Pointer
|
|
ParamIndex = ((ProcType == PT_VTABLEPROC)?(2):(1));
|
|
temp3 = temp = 0;
|
|
param_defined = FALSE;
|
|
}
|
|
break;
|
|
case _T(')'):
|
|
if (inpathq)
|
|
changed = FALSE;
|
|
else
|
|
{
|
|
SectionType = PST_RETURN;
|
|
temp3 = temp = 0;
|
|
}
|
|
break;
|
|
case _T('?'):
|
|
SectionType = PST_OPTIONS; temp = 1;
|
|
break;
|
|
default:
|
|
changed = FALSE;
|
|
}
|
|
|
|
// Check for changes
|
|
if (changed)
|
|
{
|
|
switch (ChangesDone)
|
|
{
|
|
case PST_PROC:
|
|
*cb = 0;
|
|
// Adopt proc
|
|
if (proc == NULL)
|
|
{
|
|
proc = (SystemProc *) GlobalAlloc(GPTR, sizeof(SystemProc));
|
|
proc->Options = 0;
|
|
proc->ParamCount = 0;
|
|
}
|
|
// Default parameters
|
|
*proc->DllName = 0;
|
|
*proc->ProcName = 0;
|
|
proc->Dll = NULL;
|
|
proc->Proc = NULL;
|
|
proc->ProcType = ProcType;
|
|
proc->ProcResult = PR_OK;
|
|
|
|
// Section changed and previos section was Proc
|
|
switch (ProcType)
|
|
{
|
|
case PT_NOTHING:
|
|
// Is it previous proc or just unknown proc?
|
|
if (cb != cbuf)
|
|
{
|
|
// Previous proc (for clear up)
|
|
SystemProc *pr = NULL;
|
|
|
|
if (proc != NULL) GlobalFree(proc);
|
|
// Get already defined proc
|
|
proc = (SystemProc *) StrToIntPtr(cbuf);
|
|
if (!proc) break;
|
|
|
|
// Find the last clone at proc queue
|
|
while (proc && (proc->Clone != NULL)) proc = (pr = proc)->Clone;
|
|
|
|
// Clear parents record for child callback proc
|
|
if (pr != NULL) pr->Clone = NULL;
|
|
|
|
// Never Redefine?
|
|
if (proc->Options & POPT_NEVERREDEF)
|
|
{
|
|
proc = GlobalCopy(proc); // Create new proc as copy
|
|
proc->Options &= ~(POPT_NEVERREDEF|POPT_PERMANENT); // NeverRedef options is never inherited
|
|
}
|
|
else
|
|
proc->Options |= POPT_PERMANENT; // Proc is old -> permanent
|
|
}
|
|
break;
|
|
case PT_PROC:
|
|
case PT_VTABLEPROC:
|
|
lstrcpy(proc->DllName, sbuf);
|
|
case PT_STRUCT:
|
|
lstrcpy(proc->ProcName, cbuf);
|
|
break;
|
|
}
|
|
break;
|
|
case PST_PARAMS:
|
|
if (param_defined)
|
|
proc->ParamCount = ParamIndex;
|
|
else
|
|
// not simply zero because of vtable calls
|
|
proc->ParamCount = ParamIndex - 1;
|
|
case PST_RETURN:
|
|
case PST_OPTIONS:
|
|
break;
|
|
}
|
|
ib++;
|
|
cb = cbuf;
|
|
continue;
|
|
}
|
|
|
|
// Parse the section
|
|
ChangesDone = PCD_NONE;
|
|
switch (SectionType)
|
|
{
|
|
// Proc sections parser
|
|
case PST_PROC: parse_next_proc_section_char:
|
|
switch (*ib)
|
|
{
|
|
case _T('\"'):
|
|
ib++; // Skip '\"'
|
|
if (inpathq)
|
|
{
|
|
inpathq = 0;
|
|
goto parse_next_proc_section_char;
|
|
}
|
|
else
|
|
{
|
|
inpathq++;
|
|
}
|
|
break;
|
|
case _T(':'):
|
|
case _T('-'):
|
|
// Is it '::'
|
|
if ((*(ib) == _T('-')) && (*(ib+1) == _T('>')))
|
|
{
|
|
ProcType = PT_VTABLEPROC;
|
|
}
|
|
else
|
|
{
|
|
if ((*(ib+1) != _T(':')) || (*(ib) == _T('-'))) break;
|
|
ProcType = PT_PROC;
|
|
}
|
|
ib++; // Skip next ':'
|
|
|
|
if (cb > cbuf)
|
|
{
|
|
*cb = 0;
|
|
lstrcpy(sbuf, cbuf);
|
|
}
|
|
else
|
|
*sbuf = 0; // No dll - system proc
|
|
|
|
// Ok
|
|
ChangesDone = PCD_DONE;
|
|
break;
|
|
case _T('*'):
|
|
// Structure defenition
|
|
ProcType = PT_STRUCT;
|
|
ChangesDone = PCD_DONE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
// Params and return sections parser
|
|
case PST_RETURN:
|
|
ParamIndex = 0; // Uses the same logic as PST_PARAMS section
|
|
case PST_PARAMS:
|
|
temp2 = -1; temp4 = 0; // Our type placeholder
|
|
aligntype = FALSE;
|
|
switch (*ib)
|
|
{
|
|
case _T(' '):
|
|
break;
|
|
case _T('_'): // No param cutting specifier
|
|
if (proc->ParamCount > ParamIndex) ParamIndex = proc->ParamCount;
|
|
temp3 = temp = 0; // Clear parameter options
|
|
if (proc->ParamCount != ((ProcType == PT_VTABLEPROC) ? 1 : 0))
|
|
{
|
|
// only define params if the last count wasn't zero
|
|
// this prevents errornous param count for:
|
|
// 'user32::CloseClipboard()(_)'
|
|
// for vtable calls, param count should not be one
|
|
param_defined = TRUE;
|
|
}
|
|
break;
|
|
case _T(','): // Next param
|
|
temp3 = temp = 0; // Clear parameter options
|
|
ParamIndex++;
|
|
param_defined = TRUE;
|
|
break;
|
|
case _T('&'):
|
|
temp = PAO_ARRBASE; break; // Special parameter option
|
|
case _T('*'):
|
|
temp = PAO_PTRFLAG; break; // Pointer parameter option
|
|
|
|
// Types
|
|
case _T('@'): temp2 = PAT_REGMEM; break;
|
|
case _T('V'): // No extra alignment for void padding
|
|
case _T('v'): temp2 = PAT_VOID; break;
|
|
case 'B': aligntype += alignflag ? 1 : 0;
|
|
case 'b': temp2 = PAT_INT, temp = sizeof(BYTE) + 1; break; // INT8/BYTE/BOOLEAN alias for &1
|
|
case 'H': aligntype += alignflag ? 1 : 0;
|
|
case 'h': temp2 = PAT_INT, temp = sizeof(WORD) + 1; break; // INT16/WORD/SHORT alias for &2 with 'h' AKA printf type length specifier
|
|
#ifndef _WIN64
|
|
case _T('P'):
|
|
#endif
|
|
case _T('I'): aligntype += alignflag ? 1 : 0;
|
|
#ifndef _WIN64
|
|
case _T('p'):
|
|
#endif
|
|
case _T('i'): temp2 = PAT_INT; break; // INT32
|
|
#ifdef _WIN64
|
|
case _T('P'):
|
|
#endif
|
|
case _T('L'): aligntype += alignflag ? 1 : 0;
|
|
#ifdef _WIN64
|
|
case _T('p'):
|
|
#endif
|
|
case _T('l'): temp2 = PAT_LONG; break; // INT64
|
|
case _T('M'): // 1 byte, no extra alignment
|
|
case _T('m'): temp2 = PAT_STRING; break;
|
|
case _T('T'): aligntype += (alignflag && sizeof(TCHAR) > 1) ? 1 : 0;
|
|
case _T('t'): temp2 = PAT_TSTRING, ++UsedTString; break;
|
|
case _T('G'): aligntype += alignflag ? 1 : 0;
|
|
case _T('g'): temp2 = PAT_GUID; break;
|
|
case _T('W'): aligntype += alignflag ? 1 : 0;
|
|
case _T('w'): temp2 = PAT_WSTRING; break;
|
|
case _T('K'): aligntype += alignflag ? 1 : 0;
|
|
case _T('k'): temp2 = PAT_CALLBACK; break;
|
|
|
|
// Input output specifiers
|
|
case _T('.'): temp3++; break; // skip specifier
|
|
|
|
case _T('R'):
|
|
temp4 = ((INT_PTR) GetIntFromString(&ib))+1;
|
|
if (temp4 < 11) temp4 += 10;
|
|
break;
|
|
case _T('r'): temp4 = ((INT_PTR) GetIntFromString(&ib))+1; break; // Register
|
|
|
|
case _T('-'):
|
|
case _T('0'): case _T('1'): case _T('2'): case _T('3'): case _T('4'):
|
|
case _T('5'): case _T('6'): case _T('7'): case _T('8'): case _T('9'):
|
|
// Numeric inline
|
|
if (temp3 == 0)
|
|
{
|
|
ib--;
|
|
// It's stupid, I know, but I'm too lazy to do another thing
|
|
myitoa64(GetIntFromString(&(ib)),(TCHAR *)(temp4 = (INT_PTR) AllocString()));
|
|
}
|
|
break;
|
|
|
|
case _T('\"'): case _T('\''): case _T('`'):
|
|
// Character inline
|
|
{
|
|
TCHAR start = *ib;
|
|
cb = cbuf;
|
|
// copy inline
|
|
while (!((*(++ib) == start) && (*(ib+1) != start)) && (*ib))
|
|
{
|
|
if ((*ib) == start) ++ib;
|
|
*(cb++) = *(ib);
|
|
}
|
|
// finish and save
|
|
*cb = 0;
|
|
temp4 = (INT_PTR) AllocStr(cbuf);
|
|
}
|
|
break;
|
|
|
|
case _T('s'):
|
|
case _T('S'): temp4 = -1; break; // Stack
|
|
case _T('c'):
|
|
case _T('C'): temp4 = INST_CMDLINE+1; break;
|
|
case _T('d'):
|
|
case _T('D'): temp4 = INST_INSTDIR+1; break;
|
|
case _T('o'):
|
|
case _T('O'): temp4 = INST_OUTDIR+1; break;
|
|
case _T('e'):
|
|
case _T('E'): temp4 = INST_EXEDIR+1; break;
|
|
case _T('a'):
|
|
case _T('A'): temp4 = INST_LANG+1; break;
|
|
}
|
|
|
|
// Param type changed?
|
|
if (temp2 != -1)
|
|
{
|
|
const int psbt = ParamSizeByType[temp2];
|
|
param_defined = TRUE;
|
|
proc->Params[ParamIndex].Type = temp2 | (alignflag && aligntype ? alignflag : 0);
|
|
proc->Params[ParamIndex].Size = // Pointer sized or from type
|
|
ParamOptionIsPointer(temp) ? (PARAMSIZEBYTYPE_PTR) : ((psbt>0) ? (psbt) : (1)); //BUGBUG64: Is it safe to fallback to 1 for CALLBACK?
|
|
if (temp == PAO_ARRBASE) temp =
|
|
PAO_ARRBASE + ((int) GetIntFromString(&ib)); // Read '&' array count specification
|
|
proc->Params[ParamIndex].Option = temp;
|
|
proc->Params[ParamIndex].Value = 0;
|
|
proc->Params[ParamIndex].Input = IOT_NONE;
|
|
proc->Params[ParamIndex].Output = IOT_NONE;
|
|
}
|
|
|
|
// Param source/dest changed?
|
|
if (temp4 != 0)
|
|
{
|
|
param_defined = TRUE;
|
|
if (temp3 == 0)
|
|
{
|
|
// it may contain previous inline input
|
|
if (!((proc->Params[ParamIndex].Input > -1) && (proc->Params[ParamIndex].Input <= __INST_LAST)))
|
|
GlobalFree((HGLOBAL) proc->Params[ParamIndex].Input);
|
|
proc->Params[ParamIndex].Input = temp4;
|
|
}
|
|
if (temp3 == 1)
|
|
proc->Params[ParamIndex].Output = (int) temp4; // Note: As long as we never assign a pointer to temp4 when parsing a destination the cast to int is OK.
|
|
// Next parameter is output or something else
|
|
temp3++;
|
|
}
|
|
|
|
ChangesDone = PCD_DONE;
|
|
break;
|
|
|
|
// Options sections parser
|
|
case PST_OPTIONS:
|
|
temp2 = 0;
|
|
switch (*ib)
|
|
{
|
|
case _T(' '): break;
|
|
case _T('!'): temp = -temp; break;
|
|
case _T('c'):
|
|
#ifndef _WIN64
|
|
temp2 = POPT_CDECL; // Only x86 cares, just eat the option for everything else
|
|
#endif
|
|
break;
|
|
case _T('r'): temp2 = POPT_ALWRETURN; break;
|
|
case _T('n'): temp2 = POPT_NEVERREDEF; break;
|
|
case _T('s'): temp2 = POPT_GENSTACK; break;
|
|
case _T('e'): temp2 = POPT_ERROR; break;
|
|
case _T('u'): temp2 = POPT_UNLOAD; break;
|
|
#ifdef POPT_SYNTAX2
|
|
case _T('2'): temp2 = POPT_SYNTAX2; break;
|
|
#endif
|
|
}
|
|
|
|
// New Options
|
|
if (temp2 != 0)
|
|
{
|
|
if (temp == 1) proc->Options |= temp2; else proc->Options &= ~temp2;
|
|
// Back to default (turn on nothing) state
|
|
temp = 1; temp2 = 0;
|
|
}
|
|
|
|
ChangesDone = PCD_DONE;
|
|
break;
|
|
}
|
|
|
|
// Nothing done, just copy char to buffer
|
|
if (ChangesDone == PCD_NONE) *(cb++) = *(ib);
|
|
// Something done, buffer = ""
|
|
else cb = cbuf;
|
|
|
|
// Increase input pointer
|
|
ib++;
|
|
}
|
|
|
|
GlobalFree(ibuf);
|
|
GlobalFree(cbuf);
|
|
GlobalFree(sbuf);
|
|
|
|
// Ok, the final step: check proc for existance
|
|
if (proc != NULL && proc->Proc == NULL)
|
|
{
|
|
switch (proc->ProcType)
|
|
{
|
|
case PT_NOTHING: break;
|
|
case PT_VTABLEPROC:
|
|
{
|
|
// Use direct system proc address
|
|
INT_PTR addr;
|
|
|
|
proc->Dll = (HMODULE) StrToIntPtr(proc->DllName);
|
|
|
|
if (proc->Dll == 0)
|
|
{
|
|
proc->ProcResult = PR_ERROR;
|
|
break;
|
|
}
|
|
|
|
addr = (INT_PTR) proc->Dll;
|
|
|
|
// fake-real parameter: for COM interfaces first param is Interface Pointer
|
|
proc->Params[1].Output = IOT_NONE;
|
|
proc->Params[1].Input = (INT_PTR) AllocStr(proc->DllName);
|
|
proc->Params[1].Size = PARAMSIZEBYTYPE_PTR;
|
|
proc->Params[1].Type = PAT_PTR;
|
|
proc->Params[1].Option = 0;
|
|
|
|
// addr - pointer to interface vtable
|
|
addr = *((INT_PTR *)addr);
|
|
// now addr contains the pointer to first item at VTABLE
|
|
// add the index of proc
|
|
addr = addr + (INT_PTR)(myatoi64(proc->ProcName)*sizeof(void*));
|
|
proc->Proc = *((HANDLE*)addr);
|
|
}
|
|
break;
|
|
case PT_PROC:
|
|
if (*proc->DllName == 0)
|
|
{
|
|
// Use direct system proc address
|
|
if ((proc->Proc = (HANDLE) StrToIntPtr(proc->ProcName)) == 0)
|
|
proc->ProcResult = PR_ERROR;
|
|
} else
|
|
{
|
|
// Get DLL address
|
|
if ((proc->Dll = GetModuleHandle(proc->DllName)) == NULL)
|
|
if ((proc->Dll = LoadLibrary(proc->DllName)) == NULL)
|
|
{
|
|
proc->ProcResult = PR_ERROR;
|
|
break;
|
|
}
|
|
|
|
// Get proc address
|
|
proc->Proc = NSISGetProcAddress(proc->Dll, proc->ProcName);
|
|
if (!proc->Proc && *proc->ProcName == _T('#'))
|
|
{
|
|
int ordinal = myatoi(proc->ProcName+1);
|
|
if (ordinal && IS_INTRESOURCE(ordinal))
|
|
proc->Proc = GetProcAddress(proc->Dll, MAKEINTRESOURCEA(ordinal));
|
|
}
|
|
if (UsedTString || !proc->Proc)
|
|
{
|
|
FARPROC tproc;
|
|
TCHAR*ProcName = proc->ProcName; // This buffer has room for us to party on
|
|
unsigned int cch = lstrlen(ProcName);
|
|
#ifdef _UNICODE
|
|
STRSET2CH(ProcName+cch, _T('W'), _T('\0'));
|
|
#else
|
|
STRSET2CH(ProcName+cch, _T('A'), _T('\0'));
|
|
#endif
|
|
tproc = NSISGetProcAddress(proc->Dll, ProcName);
|
|
if (tproc)
|
|
proc->Proc = tproc;
|
|
else
|
|
if (!proc->Proc) proc->ProcResult = PR_ERROR;
|
|
}
|
|
}
|
|
break;
|
|
case PT_STRUCT:
|
|
if (*(proc->ProcName) != 0) proc->Proc = (HANDLE) StrToIntPtr(proc->ProcName);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return proc;
|
|
}
|
|
|
|
void ParamAllocate(SystemProc *proc)
|
|
{
|
|
UINT i, c;
|
|
for (i = 0, c = proc->ParamCount; i <= c; i++)
|
|
if (!proc->Params[i].Value && ParamIsPointer(proc->Params[i]))
|
|
proc->Params[i].Value = (INT_PTR) GlobalAlloc(GPTR, ParamSizeByType[GetParamType(proc->Params[i])] * 4);
|
|
}
|
|
|
|
void ParamsIn(SystemProc *proc)
|
|
{
|
|
int i;
|
|
HGLOBAL* place;
|
|
TCHAR *realbuf;
|
|
#ifndef _UNICODE
|
|
LPWSTR wstr;
|
|
#endif
|
|
#if !defined(_WIN64) && defined(C_ASSERT)
|
|
C_ASSERT(FIELD_OFFSET(ProcParameter, Value) + sizeof(int) == FIELD_OFFSET(ProcParameter, _value)); // Make sure PAT_LONG writes to the correct places
|
|
#endif
|
|
i = (proc->ParamCount > 0)?(1):(0);
|
|
while (TRUE)
|
|
{
|
|
ProcParameter *par = &proc->Params[i];
|
|
UINT partype;
|
|
// Step 1: retrive value
|
|
if ((par->Input == IOT_NONE) || (par->Input == IOT_INLINE))
|
|
realbuf = AllocStr(_T(""));
|
|
else if (par->Input == IOT_STACK) realbuf = system_popstring();
|
|
else if ((par->Input > 0) && (par->Input <= __INST_LAST))
|
|
realbuf = system_getuservariable((int)par->Input - 1);
|
|
else
|
|
{
|
|
// Inline input, will be freed as realbuf
|
|
realbuf = (TCHAR*) par->Input;
|
|
par->Input = IOT_INLINE;
|
|
}
|
|
|
|
// Retreive pointer to place
|
|
place = ParamIsPointer(*par) ? (HGLOBAL*) par->Value : (HGLOBAL*) &(par->Value);
|
|
|
|
// by default no blocks are allocated
|
|
par->allocatedBlock = NULL;
|
|
|
|
// Step 2: place it
|
|
switch (partype = GetParamType(*par))
|
|
{
|
|
case PAT_VOID:
|
|
par->Value = 0;
|
|
break;
|
|
case PAT_INT:
|
|
*(int*)place = myatoi(realbuf);
|
|
break;
|
|
case PAT_LONG:
|
|
*(__int64*)place = myatoi64(realbuf);
|
|
break;
|
|
case PAT_TSTRING:
|
|
/* if (par->Input == IOT_NONE)
|
|
*((int*) place) = (int) NULL;
|
|
else*/
|
|
*place = par->allocatedBlock = AllocStr(realbuf);
|
|
break;
|
|
#ifdef _UNICODE
|
|
case PAT_STRING:
|
|
*place = par->allocatedBlock = GlobalAlloc(GPTR, g_stringsize);
|
|
WideCharToMultiByte(CP_ACP, 0, realbuf, g_stringsize, *(LPSTR*)place, g_stringsize, NULL, NULL);
|
|
break;
|
|
case PAT_GUID:
|
|
*place = par->allocatedBlock = GlobalAlloc(GPTR, 16);
|
|
CLSIDFromString(realbuf, *(LPCLSID*)place);
|
|
break;
|
|
#else
|
|
case PAT_WSTRING:
|
|
case PAT_GUID:
|
|
wstr = (LPWSTR) GlobalAlloc(GPTR, g_stringsize*sizeof(WCHAR));
|
|
MultiByteToWideChar(CP_ACP, 0, realbuf, g_stringsize, wstr, g_stringsize);
|
|
if (partype == PAT_GUID)
|
|
{
|
|
*place = par->allocatedBlock = GlobalAlloc(GPTR, 16);
|
|
CLSIDFromString(wstr, *(LPCLSID*)place);
|
|
GlobalFree((HGLOBAL) wstr);
|
|
} else
|
|
*place = par->allocatedBlock = (HGLOBAL)wstr;
|
|
break;
|
|
#endif
|
|
case PAT_CALLBACK:
|
|
// Generate new or use old callback
|
|
if (realbuf[0])
|
|
par->Value = (INT_PTR) CreateCallback((SystemProc*) StrToIntPtr(realbuf));
|
|
break;
|
|
case PAT_REGMEM:
|
|
{
|
|
LPTSTR straddr = system_getuservariableptr(par->Input - 1);
|
|
par->Value = (INT_PTR) straddr;
|
|
par->Value += sizeof(void*) > 4 ? sizeof(_T("-9223372036854775807###")) : sizeof(_T("-2147483647")); // "###" for sizeof(void*) alignment
|
|
IntPtrToStr(par->Value, straddr);
|
|
}
|
|
break;
|
|
}
|
|
GlobalFree(realbuf);
|
|
|
|
#ifdef SYSTEM_LOG_DEBUG
|
|
{
|
|
TCHAR buf[666];
|
|
UINT32 hi32 = 0;
|
|
#ifndef _WIN64
|
|
hi32 = par->_value;
|
|
#endif
|
|
wsprintf(buf, _T("\t\t\tParam In %d:\tType=%#x Value=") SYSFMT_HEXPTR _T(" hi32=0x%08X"), i,
|
|
par->Type, par->Value, hi32);
|
|
SYSTEM_LOG_ADD(buf);
|
|
SYSTEM_LOG_POST;
|
|
}
|
|
#endif
|
|
|
|
if (i == 0) break;
|
|
if (i == proc->ParamCount) i = 0; else i++;
|
|
}
|
|
}
|
|
|
|
void ParamsDeAllocate(SystemProc *proc)
|
|
{
|
|
int i;
|
|
for (i = proc->ParamCount; i >= 0; i--)
|
|
if (proc->Params[i].Value && ParamIsPointer(proc->Params[i]))
|
|
{
|
|
GlobalFree((HGLOBAL) (proc->Params[i].Value));
|
|
proc->Params[i].Value = 0;
|
|
}
|
|
}
|
|
|
|
#define GetSpecialParamTypeSize(par) ( (((par).Option)-PAO_ARRBASE) * ByteSizeByType[GetParamType(par)] ) // Option must be > PAO_ARRBASE!
|
|
static const int g_intmask[4] = { 0xFFFFFFFF, 0x000000FF, 0x0000FFFF, 0x00FFFFFF };
|
|
#define GetMaskedInt32Value(val, size) ( (val) & g_intmask[((UINT)(size) < 4) ? (size) : (0)] )
|
|
#define GetSpecialParamInt32Value(par, size) GetMaskedInt32Value((par).Value, (size))
|
|
|
|
void ParamsOut(SystemProc *proc)
|
|
{
|
|
INT_PTR *place;
|
|
LPWSTR wstr;
|
|
int i, partype, intval, typsiz;
|
|
TCHAR *realbuf = AllocString();
|
|
|
|
i = proc->ParamCount;
|
|
do
|
|
{
|
|
// Retreive pointer to place
|
|
if (ParamIsPointer(proc->Params[i]))
|
|
place = (INT_PTR*) proc->Params[i].Value;
|
|
else
|
|
place = (INT_PTR*) &(proc->Params[i].Value);
|
|
|
|
// Step 1: retrive value
|
|
switch (partype = GetParamType(proc->Params[i]))
|
|
{
|
|
case PAT_VOID:
|
|
*realbuf = _T('\0');
|
|
break;
|
|
#ifndef _WIN64
|
|
case PAT_REGMEM:
|
|
#endif
|
|
case PAT_INT:
|
|
intval = (int)(*((INT_PTR*) place));
|
|
if (proc->Params[i].Option > 0) // Note: We don't handle '*' pointers, "*h" and "*b" are not supported, use "*i" even on smaller types
|
|
{
|
|
typsiz = GetSpecialParamTypeSize(proc->Params[i]);
|
|
intval = GetMaskedInt32Value(intval, typsiz);
|
|
}
|
|
wsprintf(realbuf, _T("%d"), intval);
|
|
break;
|
|
#ifdef _WIN64
|
|
case PAT_REGMEM:
|
|
#endif
|
|
case PAT_LONG:
|
|
myitoa64(*((__int64*) place), realbuf);
|
|
break;
|
|
case PAT_STRING:
|
|
#ifdef _UNICODE
|
|
MultiByteToWideChar(CP_ACP, 0, *((char**) place), g_stringsize, realbuf, g_stringsize-1);
|
|
realbuf[g_stringsize-1] = _T('\0'); // make sure we have a null terminator
|
|
#else
|
|
lstrcpyn(realbuf,*((TCHAR**) place), g_stringsize); // note: lstrcpyn always includes a null terminator (unlike strncpy)
|
|
#endif
|
|
break;
|
|
case PAT_GUID:
|
|
#ifdef _UNICODE
|
|
StringFromGUID2(*((REFGUID*)place), realbuf, g_stringsize);
|
|
#else
|
|
{
|
|
WCHAR guidstrbuf[39];
|
|
int guidcch = StringFromGUID2(*((REFGUID*)place), guidstrbuf, 39);
|
|
WideCharToMultiByte(CP_ACP, 0, guidstrbuf, guidcch, realbuf, g_stringsize, NULL, NULL);
|
|
}
|
|
#endif
|
|
break;
|
|
case PAT_WSTRING:
|
|
wstr = *((LPWSTR*)place);
|
|
#ifdef _UNICODE
|
|
lstrcpyn(realbuf, wstr, g_stringsize); // note: lstrcpyn always include a null terminator (unlike strncpy)
|
|
#else
|
|
WideCharToMultiByte(CP_ACP, 0, wstr, g_stringsize, realbuf, g_stringsize-1, NULL, NULL);
|
|
realbuf[g_stringsize-1] = _T('\0'); // make sure we have a null terminator
|
|
#endif
|
|
break;
|
|
case PAT_CALLBACK:
|
|
wsprintf(realbuf, sizeof(void*) > 4 ? _T("%Id") : _T("%d"), proc->Params[i].Value);
|
|
break;
|
|
}
|
|
|
|
// memory cleanup
|
|
if ((proc->Params[i].allocatedBlock != NULL)
|
|
&& ((proc->ProcType != PT_STRUCT) || ParamIsArray(proc->Params[i]))
|
|
)
|
|
GlobalFree(proc->Params[i].allocatedBlock);
|
|
|
|
SYSTEM_LOG_ADD(_T("\t\t\tParam Out("));
|
|
// Step 2: place it
|
|
if (proc->Params[i].Output == IOT_NONE)
|
|
SYSTEM_LOG_ADD(_T("none"));
|
|
else if (proc->Params[i].Output == IOT_STACK)
|
|
{
|
|
SYSTEM_LOG_ADD(_T("stack"));
|
|
system_pushstring(realbuf);
|
|
}
|
|
else if (proc->Params[i].Output > 0)
|
|
{
|
|
SYSTEM_LOG_ADD(_T("var"));
|
|
system_setuservariable(proc->Params[i].Output - 1, realbuf);
|
|
}
|
|
else
|
|
SYSTEM_LOG_ADD(_T("?BUG?"));
|
|
|
|
#ifdef SYSTEM_LOG_DEBUG
|
|
{
|
|
TCHAR dbgbuf[99];
|
|
wsprintf(dbgbuf, _T(")\t%d:\tType=%#x Optn=%d Size=%d Data="),
|
|
i, proc->Params[i].Type, proc->Params[i].Option, proc->Params[i].Size);
|
|
SYSTEM_LOG_ADD(dbgbuf);
|
|
SYSTEM_LOG_ADD(realbuf);
|
|
SYSTEM_LOG_POST;
|
|
}
|
|
#endif
|
|
|
|
i--;
|
|
}
|
|
while (i >= 0);
|
|
|
|
GlobalFree(realbuf);
|
|
}
|
|
|
|
HANDLE CreateCallback(SystemProc *cbproc)
|
|
{
|
|
#if defined(SYSTEM_AMD64) || defined(SYSTEM_ARM64)
|
|
return BUGBUG64(HANDLE) NULL;
|
|
#else
|
|
char *mem;
|
|
|
|
if (cbproc->Proc == NULL)
|
|
{
|
|
// Set callback index
|
|
cbproc->CallbackIndex = ++(CallbackIndex);
|
|
cbproc->Options |= POPT_PERMANENT;
|
|
|
|
mem = (char *) (cbproc->Proc = VirtualAlloc(NULL, sizeof(CallbackThunk), MEM_COMMIT, PAGE_EXECUTE_READWRITE));
|
|
|
|
((CallbackThunk*)mem)->pNext=g_CallbackThunkListHead;
|
|
g_CallbackThunkListHead=(CallbackThunk*)mem;
|
|
|
|
#ifdef SYSTEM_X86
|
|
*(mem++) = (char) 0xB8; // Mov eax, const
|
|
*((int *)mem) = (int) cbproc;
|
|
mem += sizeof(int);
|
|
*(mem++) = (char) 0xe9; // Jmp relative
|
|
*((int *)mem) = (int) RealCallBack;
|
|
*((int *)mem) -= ((int) mem) + 4;
|
|
#else
|
|
#error "Asm thunk not implemeted for this architecture!"
|
|
#endif
|
|
|
|
}
|
|
|
|
// Return proc address
|
|
return cbproc->Proc;
|
|
#endif
|
|
}
|
|
|
|
#ifdef POPT_SYNTAX2
|
|
static UINT GetStructParamAlignment(const ProcParameter *par)
|
|
{
|
|
int partype = GetParamType(*par), isarr = ParamIsArray(*par);
|
|
// &l is used to get the final struct size "*(p, &l.r0)"
|
|
// but it also allows you to write the struct size to the struct as a int<8|16|32|64> "*(p, &l4)"
|
|
// so we can't stop that with: "if ((par->Type & PAT_ALIGNFLAG) && (!isarr || partype != PAT_LONG))"
|
|
if (par->Type & PAT_ALIGNFLAG)
|
|
{
|
|
if ((partype == PAT_STRING) | (partype == PAT_WSTRING)) return ByteSizeByType[partype];
|
|
if (partype == PAT_GUID) return 16;
|
|
return !isarr ? (par->Size * 4) : GetSpecialParamTypeSize(*par);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
void CallStruct(SystemProc *proc)
|
|
{
|
|
BOOL ssflag; // "&l" struct size syntax
|
|
UINT i, paramcount = proc->ParamCount, structsize = 0, size = 0, partype;
|
|
char *st, *ptr;
|
|
#ifdef POPT_SYNTAX2
|
|
BOOL tryalign = proc->Options & POPT_SYNTAX2;
|
|
#endif
|
|
|
|
SYSTEM_LOG_ADD(_T("\t\tStruct..."));
|
|
|
|
// Calculate the structure size
|
|
for (i = 1; i <= paramcount; i++)
|
|
{
|
|
partype = GetParamType(proc->Params[i]);
|
|
// Emulate g as &g16
|
|
// (Changing ByteSizeByType would break compatibility with '*(&g16,i)i.s')
|
|
if (PAT_GUID==partype && ParamIsSimple(proc->Params[i]))
|
|
proc->Params[i].Option = PAO_ARRBASE + 16;
|
|
|
|
if (!ParamIsArray(proc->Params[i]))
|
|
size = proc->Params[i].Size * 4;
|
|
else
|
|
size = GetParamArrayTypeSize(proc->Params[i]);
|
|
|
|
#ifdef POPT_SYNTAX2
|
|
if (tryalign)
|
|
structsize = SYS_ALIGNON(structsize, GetStructParamAlignment(&proc->Params[i]));
|
|
#endif
|
|
structsize += size;
|
|
}
|
|
|
|
// Struct exists?
|
|
if (proc->Proc == NULL) // No. Allocate struct memory
|
|
proc->Proc = (HANDLE) GlobalAlloc(GPTR, structsize);
|
|
else if (structsize == 0) // In case of zero size defined structure use mapped size
|
|
structsize = (int) GlobalSize((HGLOBAL) proc->Proc);
|
|
|
|
#ifdef SYSTEM_LOG_DEBUG
|
|
{
|
|
TCHAR dbgbuf[99];
|
|
wsprintf(dbgbuf, _T("\t(%u bytes)"), structsize);
|
|
SYSTEM_LOG_ADD(dbgbuf);
|
|
}
|
|
#endif
|
|
|
|
// Pointer to current data
|
|
st = (char*) proc->Proc;
|
|
|
|
for (i = 1; i <= paramcount; i++)
|
|
{
|
|
ssflag = FALSE;
|
|
partype = GetParamType(proc->Params[i]);
|
|
|
|
// Normal or special block?
|
|
if (!ParamIsArray(proc->Params[i]))
|
|
{
|
|
// Normal
|
|
size = proc->Params[i].Size * 4;
|
|
ptr = (char*) &(proc->Params[i].Value);
|
|
}
|
|
else
|
|
{
|
|
// Special
|
|
size = GetParamArrayTypeSize(proc->Params[i]);
|
|
ptr = NULL;
|
|
switch (partype)
|
|
{
|
|
case PAT_VOID:
|
|
break;
|
|
case PAT_LONG:
|
|
// real structure size
|
|
proc->Params[i].Value = structsize;
|
|
#ifndef _WIN64
|
|
proc->Params[i]._value = 0;
|
|
#endif
|
|
ssflag = TRUE; // System::Call '*(...,&l.r0)'
|
|
// [[fallthrough]]
|
|
case PAT_INT:
|
|
proc->Params[i].Value = GetSpecialParamInt32Value(proc->Params[i], size); // clears unused value bits
|
|
// pointer
|
|
ptr = (char*) &(proc->Params[i].Value);
|
|
break;
|
|
|
|
case PAT_STRING:
|
|
case PAT_WSTRING:
|
|
case PAT_GUID:
|
|
// Jim Park: Pointer for memcopy, so keep as char*
|
|
ptr = (char*) proc->Params[i].Value;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Process them!
|
|
if (ptr != NULL)
|
|
{
|
|
#ifdef POPT_SYNTAX2
|
|
if (tryalign)
|
|
st = (char*) SYS_ALIGNON((INT_PTR) st, GetStructParamAlignment(&proc->Params[i]));
|
|
#endif
|
|
|
|
// Input
|
|
if ((proc->Params[i].Input != IOT_NONE) || (ssflag))
|
|
copymem(st, ptr, size);
|
|
|
|
// Output
|
|
if (proc->Params[i].Output != IOT_NONE)
|
|
copymem(ptr, st, size);
|
|
}
|
|
|
|
// Skip to next data block
|
|
st += size;
|
|
}
|
|
|
|
SYSTEM_LOG_POST;
|
|
|
|
// Proc virtual return - pointer to memory struct
|
|
proc->Params[0].Value = (INT_PTR) proc->Proc;
|
|
}
|
|
|
|
/*
|
|
Use of system _DllMainCRTStartup to avoid endless recursion for the debug
|
|
report macro _RPT0.
|
|
|
|
The system _DllMainCRTStartup initializes the C runtime environment.
|
|
In particular the value for _osplatform is initialized. In the function
|
|
_get_winmajor called in the execution of the _RPT0 macro an assertion
|
|
failure is raised if _osplatform is not set. The assertion is reported by
|
|
the same means as used for the _RPT0 macro. This leads to an endless recursion.
|
|
*/
|
|
|
|
BOOL WINAPI DllMain(HINSTANCE hInst, DWORD fdwReason, LPVOID lpReserved)
|
|
{
|
|
g_hInstance=hInst;
|
|
|
|
if (DLL_PROCESS_ATTACH == fdwReason)
|
|
{
|
|
// change the protection of return command
|
|
VirtualProtect(&retexpr, sizeof(retexpr), PAGE_EXECUTE_READWRITE, (PDWORD)&LastStackPlace);
|
|
|
|
// initialize some variables
|
|
LastStackPlace = 0, LastStackReal = 0;
|
|
LastError = 0;
|
|
LastProc = NULL;
|
|
CallbackIndex = 0, g_CallbackThunkListHead = NULL;
|
|
#ifdef SYSTEM_X86
|
|
retexpr[0] = (char) 0xC2;
|
|
retexpr[2] = 0x00;
|
|
#elif defined(SYSTEM_AMD64) || defined(SYSTEM_ARM64)
|
|
retexpr[0] = BUGBUG64(0);
|
|
#else
|
|
#error TODO
|
|
#endif
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
Returns size by which the stack should be expanded
|
|
*/
|
|
unsigned int GetNewStackSize(void)
|
|
{
|
|
return NEW_STACK_SIZE;
|
|
}
|
|
|
|
/*
|
|
Returns non-zero value if GENSTACK option is set
|
|
*/
|
|
unsigned int GetGenStackOption(SystemProc *proc)
|
|
{
|
|
return (proc->Options & POPT_GENSTACK);
|
|
}
|
|
|
|
/*
|
|
Returns non-zero value if CDECL option is set
|
|
*/
|
|
unsigned int GetCDeclOption(SystemProc *proc)
|
|
{
|
|
return (proc->Options & POPT_CDECL);
|
|
}
|
|
|
|
/*
|
|
Returns non-zero value if Error option is set
|
|
*/
|
|
static unsigned int GetErrorOption(SystemProc *proc)
|
|
{
|
|
return (proc->Options & POPT_ERROR);
|
|
}
|
|
|
|
/*
|
|
Returns offset for element Proc of SystemProc structure
|
|
*/
|
|
UINT_PTR GetProcOffset(void)
|
|
{
|
|
return (UINT_PTR)(&(((SystemProc *)0)->Proc));
|
|
}
|
|
|
|
/*
|
|
Returns offset for element Clone of SystemProc structure
|
|
*/
|
|
unsigned int GetCloneOffset(void)
|
|
{
|
|
return (unsigned int)(UINT_PTR) (&(((SystemProc *)0)->Clone));
|
|
}
|
|
|
|
/*
|
|
Returns offset for element ProcName of SystemProc structure
|
|
*/
|
|
unsigned int GetProcNameOffset(void)
|
|
{
|
|
return (unsigned int)(UINT_PTR) (&(((SystemProc *)0)->ProcName));
|
|
}
|
|
|
|
/*
|
|
Returns offset for element ArgsSize of SystemProc structure
|
|
*/
|
|
unsigned int GetArgsSizeOffset(void)
|
|
{
|
|
return (unsigned int)(UINT_PTR) (&(((SystemProc *)0)->ArgsSize));
|
|
}
|
|
|
|
/*
|
|
Returns number of parameters
|
|
*/
|
|
unsigned int GetParamCount(SystemProc *proc)
|
|
{
|
|
return proc->ParamCount;
|
|
}
|
|
|
|
/*
|
|
Returns offset for element Params of SystemProc structure
|
|
*/
|
|
UINT_PTR GetParamsOffset(void)
|
|
{
|
|
return (UINT_PTR)(&(((SystemProc *)0)->Params));
|
|
}
|
|
|
|
/*
|
|
Returns size of ProcParameter structure
|
|
*/
|
|
UINT_PTR GetSizeOfProcParam(void)
|
|
{
|
|
return (sizeof(ProcParameter));
|
|
}
|
|
|
|
/*
|
|
Returns offset for element Size of ProcParameter structure
|
|
*/
|
|
unsigned int GetSizeOffsetParam(void)
|
|
{
|
|
return (unsigned int)(UINT_PTR) (&(((ProcParameter *)0)->Size));
|
|
}
|
|
|
|
/*
|
|
Returns offset for element Value of ProcParameter structure
|
|
*/
|
|
UINT_PTR GetValueOffsetParam(void)
|
|
{
|
|
return (UINT_PTR)(&(((ProcParameter *)0)->Value));
|
|
}
|
|
|
|
#ifndef _WIN64
|
|
/*
|
|
Returns offset for element _value of ProcParameter structure
|
|
*/
|
|
unsigned int Get_valueOffsetParam(void)
|
|
{
|
|
return (unsigned int)(&(((ProcParameter *)0)->_value));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
Sets "CLONE" option
|
|
*/
|
|
void SetCloneOption(SystemProc *proc)
|
|
{
|
|
proc->Options |= POPT_CLONE;
|
|
}
|
|
|
|
/*
|
|
Sets Result of procedure call to be "OK"
|
|
*/
|
|
static void SetProcResultOk(SystemProc *proc)
|
|
{
|
|
proc->ProcResult = PR_OK;
|
|
}
|
|
|
|
/*
|
|
Sets Result of procedure call to be "CALLBACK"
|
|
*/
|
|
void SetProcResultCallback(SystemProc *proc)
|
|
{
|
|
proc->ProcResult = PR_CALLBACK;
|
|
}
|
|
|
|
SystemProc* CALLBACK SetCallProcResultValues(SystemProc *proc, ULARGE_INTEGER retval)
|
|
{
|
|
if (GetErrorOption(proc)) LastError = GetLastError();
|
|
#ifdef _WIN64
|
|
proc->Params[0].Value = retval.QuadPart;
|
|
#else
|
|
proc->Params[0].Value = retval.LowPart, proc->Params[0]._value = retval.HighPart;
|
|
#endif
|
|
SetProcResultOk(proc);
|
|
return proc;
|
|
}
|