-#include "w32knapi.h"\r
-\r
-HINSTANCE g_hInstance;\r
-HMODULE g_hModule = NULL;\r
-INT g_nOs;\r
-PSYSCALL_ENTRY g_SyscallTable;\r
-\r
-BOOL\r
-InitOsVersion()\r
-{\r
- OSVERSIONINFOW osv;\r
- LPWSTR pszRos;\r
-\r
- osv.dwOSVersionInfoSize = sizeof(osv);\r
- GetVersionExW(&osv);\r
- pszRos = osv.szCSDVersion + wcslen(osv.szCSDVersion) + 1;\r
- /* make sure the string is zero terminated */\r
- osv.szCSDVersion[127] = 0;\r
- /* Is ReactOS? */\r
- if (wcsstr(pszRos, L"ReactOS") != NULL)\r
- {\r
- printf("Running on %ls\n", pszRos);\r
- g_hModule = LoadLibraryW(L"w32kdll.dll");\r
- if (!g_hModule)\r
- {\r
- printf("w32kdll.dll not found!\n");\r
- return FALSE;\r
- }\r
- g_nOs = OS_REACTOS;\r
- return TRUE;\r
- }\r
-\r
- if (osv.dwPlatformId != VER_PLATFORM_WIN32_NT)\r
- {\r
- printf("Unsupported OS\n");\r
- return FALSE;\r
- }\r
-\r
- if (osv.dwMajorVersion == 5 && osv.dwMinorVersion == 1 && osv.dwBuildNumber == 2600)\r
- {\r
- printf("Running on Windows XP, build 2600\n");\r
- g_nOs = OS_WINDOWS;\r
- g_SyscallTable = SyscallTable_XP_2600;\r
- return TRUE;\r
- }\r
-\r
- printf("Unsupported OS\n");\r
-\r
- return FALSE;\r
-}\r
-\r
-\r
-static BOOL\r
-RosSyscall(LPWSTR lpszFunction, int cParams, void* pParams, DWORD* pResult)\r
-{\r
- DWORD ret;\r
- char szFunctionName[MAX_PATH];\r
- int ParamSize = cParams * 4;\r
-\r
- sprintf(szFunctionName, "%ls", lpszFunction);\r
- FARPROC proc = (FARPROC)GetProcAddress(g_hModule, szFunctionName);\r
- if (!proc)\r
- {\r
- printf("Couldn't find proc: %s\n", szFunctionName);\r
- return FALSE;\r
- }\r
-\r
- asm volatile\r
- (\r
- "subl %%eax, %%esp;" // calculate new stack pos\r
- "movl %%esp, %%edi;" // destination is stackpointer\r
- "cld;" // clear direction flag\r
- "rep movsd;" // copy params to the stack\r
- "call *%%edx" // call function\r
- : "=a" (ret)\r
- : "c" (cParams), "a" (ParamSize), "S"(pParams), "d"(proc)\r
- );\r
-\r
- *pResult = ret;\r
- return TRUE;\r
-}\r
-\r
-static PSYSCALL_ENTRY\r
-GetSyscallEntry(LPWSTR lpszFunction)\r
-{\r
- INT i;\r
-\r
- for (i = 0; g_SyscallTable[i].lpszFunction != NULL; i++)\r
- {\r
- if (wcscmp(g_SyscallTable[i].lpszFunction, lpszFunction) == 0)\r
- {\r
- return &g_SyscallTable[i];\r
- }\r
- }\r
- return NULL;\r
-}\r
-\r
-static BOOL\r
-WinSyscall(LPWSTR pszFunction, void* pParams, void* pResult)\r
-{\r
- PSYSCALL_ENTRY pEntry = GetSyscallEntry(pszFunction);\r
- DWORD ret;\r
-\r
- asm volatile ("int $0x2e\n" : "=a"(ret): "a" (pEntry->nSyscallNum), "d" (pParams));\\r
- *((DWORD*)pResult) = ret;\r
- return FALSE;\r
-}\r
-\r
-DWORD\r
-Syscall(LPWSTR pszFunction, int cParams, void* pParams)\r
-{\r
- DWORD dwRet = 0;\r
-\r
- if (g_nOs == OS_REACTOS)\r
- {\r
- RosSyscall(pszFunction, cParams, pParams, &dwRet);\r
- }\r
- else\r
- {\r
- WinSyscall(pszFunction, pParams, &dwRet);\r
- }\r
- return dwRet;\r
-}\r
-\r
-BOOL\r
-IsFunctionPresent(LPWSTR lpszFunction)\r
-{\r
- if (g_nOs == OS_REACTOS)\r
- {\r
- char szFunctionName[MAX_PATH];\r
- sprintf(szFunctionName, "%ls", lpszFunction);\r
- return (GetProcAddress(g_hModule, szFunctionName) != NULL);\r
- }\r
-\r
- return (GetSyscallEntry(lpszFunction) != NULL);\r
-}\r
-\r
-int APIENTRY\r
-WinMain(HINSTANCE hInstance,\r
- HINSTANCE hPrevInstance,\r
- LPSTR lpCmdLine,\r
- int nCmdShow)\r
-{\r
- g_hInstance = hInstance;\r
-\r
- printf("Win32k native API test\n");\r
-\r
- /* Convert to gui thread */\r
- IsGUIThread(TRUE);\r
-\r
- if (!InitOsVersion())\r
- {\r
- return 0;\r
- }\r
-\r
- printf("\n");\r
-\r
- TestMain(L"w32knapi", L"win32k.sys Nt-Api");\r
-\r
- return 0;\r
-}\r
+#include "w32knapi.h"
+
+HINSTANCE g_hInstance;
+HMODULE g_hModule = NULL;
+PGDI_TABLE_ENTRY GdiHandleTable;
+
+static
+PGDI_TABLE_ENTRY
+MyGdiQueryTable()
+{
+ PTEB pTeb = NtCurrentTeb();
+ PPEB pPeb = pTeb->ProcessEnvironmentBlock;
+ printf("TEB::PEB=0x%lx PEB::GdiHT=0x%lx, Peb=%p, Teb=%p\n", FIELD_OFFSET(TEB, ProcessEnvironmentBlock), FIELD_OFFSET(PEB, GdiSharedHandleTable), pTeb, pPeb);
+ return pPeb->GdiSharedHandleTable;
+}
+
+BOOL
+IsHandleValid(HGDIOBJ hobj)
+{
+ USHORT Index = (ULONG_PTR)hobj;
+ PGDI_TABLE_ENTRY pentry = &GdiHandleTable[Index];
+
+ if (pentry->KernelData == NULL ||
+ pentry->KernelData < (PVOID)0x80000000 ||
+ (USHORT)pentry->FullUnique != (USHORT)((ULONG_PTR)hobj >> 16))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+PVOID
+GetHandleUserData(HGDIOBJ hobj)
+{
+ USHORT Index = (ULONG_PTR)hobj;
+ PGDI_TABLE_ENTRY pentry = &GdiHandleTable[Index];
+
+ if (pentry->KernelData == NULL ||
+ pentry->KernelData < (PVOID)0x80000000 ||
+ (USHORT)pentry->FullUnique != (USHORT)((ULONG_PTR)hobj >> 16))
+ {
+ return NULL;
+ }
+
+ return pentry->UserData;
+}
+
+
+static DWORD WINAPI
+IntSyscall(FARPROC proc, UINT cParams, PVOID pFirstParam)
+{
+ DWORD retval = 0;
+
+#ifdef _M_I386
+#ifdef __GNUC__
+ asm volatile
+ (
+ "pushfl;" // Save flags
+ "movl %%ecx, %%eax;"
+ "shl $2, %%eax;" // Calculate param size
+ "subl %%eax, %%esp;" // Calculate new stack pos
+ "movl %%esp, %%edi;" // Destination is stackpointer
+ "cld;" // Clear direction flag
+ "rep movsd;" // Copy params to the stack
+ "call *%%edx;" // Call function
+ "popfl;" // Restore flags
+ : "=a" (retval)
+ : "S" (pFirstParam), "c" (cParams), "d"(proc)
+ : "%edi"
+ );
+#else
+ __asm
+ {
+ pushf
+ mov eax, cParams
+ shl eax, 2
+ sub esp, eax
+ mov edi, esp
+ cld
+ rep movsd
+ call proc
+ mov retval, eax
+ popf
+ };
+#endif
+#endif
+
+ return retval;
+}
+
+DWORD
+Syscall(LPWSTR pszFunction, int cParams, void* pParams)
+{
+ char szFunctionName[MAX_PATH];
+ FARPROC proc;
+
+ sprintf(szFunctionName, "%ls", pszFunction);
+ proc = (FARPROC)GetProcAddress(g_hModule, szFunctionName);
+ if (!proc)
+ {
+ printf("Couldn't find proc: %s\n", szFunctionName);
+ return FALSE;
+ }
+
+ return IntSyscall(proc, cParams, pParams);
+}
+
+BOOL
+IsFunctionPresent(LPWSTR lpszFunction)
+{
+ char szFunctionName[MAX_PATH];
+ sprintf(szFunctionName, "%ls", lpszFunction);
+ return (GetProcAddress(g_hModule, szFunctionName) != NULL);
+}
+
+int APIENTRY
+WinMain(HINSTANCE hInstance,
+ HINSTANCE hPrevInstance,
+ LPSTR lpCmdLine,
+ int nCmdShow)
+{
+ g_hInstance = hInstance;
+
+ printf("Win32k native API test\n");
+
+ /* Convert to gui thread */
+ // IsGUIThread(TRUE); <- does not exists on win2k
+
+ InitOsVersion();
+ printf("g_OsIdx = %d\n", g_OsIdx);
+
+ g_hModule = LoadLibraryW(L"w32kdll.dll");
+ if (!g_hModule)
+ {
+ printf("w32kdll.dll not found!\n");
+ return -1;
+ }
+
+ GdiHandleTable = MyGdiQueryTable();
+ if(!GdiHandleTable)
+ {
+ FreeLibrary(g_hModule);
+ printf("GdiHandleTable not found!\n");
+ return -1;
+ }
+
+ printf("\n");
+
+ return TestMain(L"w32knapi", L"win32k.sys Nt-Api");
+}
projects / reactos.git / blobdiff