+++ /dev/null
-/* $Id$
- *
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS system libraries
- * FILE: lib/kernel32/misc/dllmain.c
- * PURPOSE: Initialization
- * PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
- * UPDATE HISTORY:
- * Created 01/11/98
- */
-
-/* INCLUDES ******************************************************************/
-
-#include <k32.h>
-
-#define NDEBUG
-#include "../include/debug.h"
-
-/* GLOBALS *******************************************************************/
-
-extern UNICODE_STRING SystemDirectory;
-extern UNICODE_STRING WindowsDirectory;
-
-HANDLE hProcessHeap = NULL;
-HMODULE hCurrentModule = NULL;
-HANDLE hBaseDir = NULL;
-PPEB Peb;
-ULONG SessionId;
-
-static BOOL DllInitialized = FALSE;
-static BOOL ConsoleInitialized = FALSE;
-
-BOOL STDCALL
-DllMain(HANDLE hInst,
- DWORD dwReason,
- LPVOID lpReserved);
-
-/* Critical section for various kernel32 data structures */
-RTL_CRITICAL_SECTION DllLock;
-RTL_CRITICAL_SECTION ConsoleLock;
-
-extern BOOL WINAPI DefaultConsoleCtrlHandler(DWORD Event);
-extern __declspec(noreturn) VOID CALLBACK ConsoleControlDispatcher(DWORD CodeAndFlag);
-
-extern BOOL FASTCALL NlsInit();
-extern VOID FASTCALL NlsUninit();
-BOOLEAN InWindows = FALSE;
-
-HANDLE
-STDCALL
-DuplicateConsoleHandle(HANDLE hConsole,
- DWORD dwDesiredAccess,
- BOOL bInheritHandle,
- DWORD dwOptions);
-
-#define WIN_OBJ_DIR L"\\Windows"
-#define SESSION_DIR L"\\Sessions"
-
-/* FUNCTIONS *****************************************************************/
-
-NTSTATUS
-WINAPI
-OpenBaseDirectory(PHANDLE DirHandle)
-{
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING Name = RTL_CONSTANT_STRING(L"\\BaseNamedObjects");
- NTSTATUS Status;
-
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
-
- Status = NtOpenDirectoryObject(DirHandle,
- DIRECTORY_ALL_ACCESS &
- ~(DELETE | WRITE_DAC | WRITE_OWNER),
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- /* FIXME: It's not our job to create the BNO directory, csr does it */
- Status = NtCreateDirectoryObject(DirHandle,
- DIRECTORY_ALL_ACCESS,
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("NtCreateDirectoryObject() failed\n");
- }
- }
-
- DPRINT("Opened BNO: %lx\n", *DirHandle);
- return Status;
-}
-
-/*
- * @unimplemented
- */
-BOOL
-WINAPI
-BaseQueryModuleData(IN LPSTR ModuleName,
- IN LPSTR Unknown,
- IN PVOID Unknown2,
- IN PVOID Unknown3,
- IN PVOID Unknown4)
-{
- DPRINT1("BaseQueryModuleData called: %s %s %x %x %x\n",
- ModuleName,
- Unknown,
- Unknown2,
- Unknown3,
- Unknown4);
- return FALSE;
-}
-
-/*
- * @unimplemented
- */
-NTSTATUS
-WINAPI
-BaseProcessInitPostImport(VOID)
-{
- /* FIXME: Initialize TS pointers */
- return STATUS_SUCCESS;
-}
-
-BOOL
-STDCALL
-BasepInitConsole(VOID)
-{
- CSR_API_MESSAGE Request;
- ULONG CsrRequest;
- NTSTATUS Status;
- PRTL_USER_PROCESS_PARAMETERS Parameters = NtCurrentPeb()->ProcessParameters;
-
- WCHAR lpTest[MAX_PATH];
- GetModuleFileNameW(NULL, lpTest, MAX_PATH);
- DPRINT("BasepInitConsole for : %S\n", lpTest);
- DPRINT("Our current console handles are: %lx, %lx, %lx %lx\n",
- Parameters->ConsoleHandle, Parameters->StandardInput,
- Parameters->StandardOutput, Parameters->StandardError);
-
- /* We have nothing to do if this isn't a console app... */
- if (RtlImageNtHeader(GetModuleHandle(NULL))->OptionalHeader.Subsystem !=
- IMAGE_SUBSYSTEM_WINDOWS_CUI)
- {
- DPRINT("Image is not a console application\n");
- Parameters->ConsoleHandle = NULL;
- return TRUE;
- }
-
- /* Assume one is needed */
- Request.Data.AllocConsoleRequest.ConsoleNeeded = TRUE;
-
- /* Handle the special flags given to us by BasepInitializeEnvironment */
- if (Parameters->ConsoleHandle == HANDLE_DETACHED_PROCESS)
- {
- /* No console to create */
- DPRINT("No console to create\n");
- Parameters->ConsoleHandle = NULL;
- Request.Data.AllocConsoleRequest.ConsoleNeeded = FALSE;
- }
- else if (Parameters->ConsoleHandle == HANDLE_CREATE_NEW_CONSOLE)
- {
- /* We'll get the real one soon */
- DPRINT("Creating new console\n");
- Parameters->ConsoleHandle = NULL;
- }
- else if (Parameters->ConsoleHandle == HANDLE_CREATE_NO_WINDOW)
- {
- /* We'll get the real one soon */
- DPRINT1("NOT SUPPORTED: HANDLE_CREATE_NO_WINDOW\n");
- Parameters->ConsoleHandle = NULL;
- }
- else
- {
- if (Parameters->ConsoleHandle == INVALID_HANDLE_VALUE)
- {
- Parameters->ConsoleHandle = 0;
- }
- DPRINT("Using existing console: %x\n", Parameters->ConsoleHandle);
- }
-
- /* Initialize Console Ctrl Handler */
- ConsoleInitialized = TRUE;
- RtlInitializeCriticalSection(&ConsoleLock);
- SetConsoleCtrlHandler(DefaultConsoleCtrlHandler, TRUE);
-
- /* Now use the proper console handle */
- Request.Data.AllocConsoleRequest.Console = Parameters->ConsoleHandle;
-
- /*
- * Normally, we should be connecting to the Console CSR Server...
- * but we don't have one yet, so we will instead simply send a create
- * console message to the Base Server. When we finally have a Console
- * Server, this code should be changed to send connection data instead.
- *
- * Also note that this connection should be made for any console app, even
- * in the case above where -we- return.
- */
- CsrRequest = MAKE_CSR_API(ALLOC_CONSOLE, CSR_CONSOLE);
- Request.Data.AllocConsoleRequest.CtrlDispatcher = ConsoleControlDispatcher;
- Status = CsrClientCallServer(&Request,
- NULL,
- CsrRequest,
- sizeof(CSR_API_MESSAGE));
- if(!NT_SUCCESS(Status) || !NT_SUCCESS(Status = Request.Status))
- {
- DPRINT1("CSR Failed to give us a console\n");
- /* We're lying here, so at least the process can load... */
- return TRUE;
- }
-
- /* We got the handles, let's set them */
- if ((Parameters->ConsoleHandle = Request.Data.AllocConsoleRequest.Console))
- {
- /* If we already had some, don't use the new ones */
- if (!Parameters->StandardInput)
- {
- Parameters->StandardInput = Request.Data.AllocConsoleRequest.InputHandle;
- }
- if (!Parameters->StandardOutput)
- {
- Parameters->StandardOutput = Request.Data.AllocConsoleRequest.OutputHandle;
- }
- if (!Parameters->StandardError)
- {
- Parameters->StandardError = Request.Data.AllocConsoleRequest.OutputHandle;
- }
- }
-
- DPRINT("Console setup: %lx, %lx, %lx, %lx\n",
- Parameters->ConsoleHandle,
- Parameters->StandardInput,
- Parameters->StandardOutput,
- Parameters->StandardError);
- return TRUE;
-}
-
-
-BOOL
-STDCALL
-DllMain(HANDLE hDll,
- DWORD dwReason,
- LPVOID lpReserved)
-{
- NTSTATUS Status;
- BOOLEAN IsServer;
- ULONG Dummy;
- ULONG DummySize = sizeof(Dummy);
- WCHAR SessionDir[256];
-
- DPRINT("DllMain(hInst %lx, dwReason %lu)\n",
- hDll, dwReason);
-
- /* Cache the PEB and Session ID */
- Peb = NtCurrentPeb();
- SessionId = Peb->SessionId;
-
- switch (dwReason)
- {
- case DLL_PROCESS_ATTACH:
-
- /* OK, yes, this is really retarded but it works for now */
- InWindows = NtCurrentPeb()->BeingDebugged;
-
- /*
- * CreateProcess will run in the real kernel32 and it will write
- * its own BaseProcessStartThunk EIP in the CONTEXT that ZwContinue
- * will get. We'll be first called by Ldr while initializing, and we'll
- * be wrapped in 3 layers of SEH, followed by two frames, finally
- * followed by our CONTEXT on the stack. We'll modify the EIP in it
- * to match the correct one (our own) and then everything works.
- * Tested on XP and 2K3, probably doesn't work in 2K.
- */
- if (InWindows)
- {
- /*
- * Due to yet another bug in how Windows handles .local, LDR will
- * actually end up loading us twice. The second time will be the
- * "official" load, at a totally different address. It will be,
- * it will be at -that- address that all the APIs will be called.
- * However, that address is dynamic while this one will be static,
- * so we'll do initilization with this one. Plus, at this one,
- * we know exactly that we're within 3 SEH layers.
- */
- if (hDll == (HANDLE)0x7c800000)
- {
- PULONG Eip;
- Eip = (PULONG)*(PULONG)*(PULONG)NtCurrentTeb()->Tib.ExceptionList +
- 0x9 +
- FIELD_OFFSET(CONTEXT, Eip) / sizeof(ULONG);
- *Eip = (ULONG)BaseProcessStartThunk;
- }
- }
-
- /* Don't bother us for each thread */
- LdrDisableThreadCalloutsForDll((PVOID)hDll);
-
- /* Setup the right Object Directory path */
- if (!SessionId)
- {
- /* Use the raw path */
- wcscpy(SessionDir, WIN_OBJ_DIR);
- }
- else
- {
- /* Use the session path */
- swprintf(SessionDir,
- L"%ws\\%ld%ws",
- SESSION_DIR,
- SessionId,
- WIN_OBJ_DIR);
- }
-
- /* Connect to the base server */
- DPRINT("Connecting to CSR...\n");
- Status = CsrClientConnectToServer(SessionDir,
- InWindows ? 1 : 0,
- &Dummy,
- &DummySize,
- &IsServer);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Failed to connect to CSR (Status %lx)\n", Status);
- ZwTerminateProcess(NtCurrentProcess(), Status);
- return FALSE;
- }
-
- /* Check if we are running a CSR Server */
- if (!IsServer)
- {
- /* Set the termination port for the thread */
- DPRINT("Creating new thread for CSR\n");
- CsrNewThread();
- }
-
- hProcessHeap = RtlGetProcessHeap();
- hCurrentModule = hDll;
- DPRINT("Heap: %p\n", hProcessHeap);
-
- /*
- * Initialize WindowsDirectory and SystemDirectory
- */
- DPRINT("NtSystemRoot: %S\n", SharedUserData->NtSystemRoot);
- RtlCreateUnicodeString (&WindowsDirectory, SharedUserData->NtSystemRoot);
- SystemDirectory.MaximumLength = WindowsDirectory.MaximumLength + 18;
- SystemDirectory.Length = WindowsDirectory.Length + 18;
- SystemDirectory.Buffer = RtlAllocateHeap(hProcessHeap,
- 0,
- SystemDirectory.MaximumLength);
- if(SystemDirectory.Buffer == NULL)
- {
- return FALSE;
- }
- wcscpy(SystemDirectory.Buffer, WindowsDirectory.Buffer);
- wcscat(SystemDirectory.Buffer, L"\\System32");
-
- /* Open object base directory */
- Status = OpenBaseDirectory(&hBaseDir);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Failed to open object base directory (Status %lx)\n", Status);
- return FALSE;
- }
-
- /* Initialize the DLL critical section */
- RtlInitializeCriticalSection(&DllLock);
-
- /* Initialize the National Language Support routines */
- if (!NlsInit())
- {
- DPRINT1("NLS Init failed\n");
- return FALSE;
- }
-
- /* Initialize Console Support */
- if (!BasepInitConsole())
- {
- DPRINT1("Failure to set up console\n");
- return FALSE;
- }
-
- /* Insert more dll attach stuff here! */
- DllInitialized = TRUE;
- DPRINT("Initialization complete\n");
- break;
-
- case DLL_PROCESS_DETACH:
-
- DPRINT("DLL_PROCESS_DETACH\n");
- if (DllInitialized == TRUE)
- {
- /* Insert more dll detach stuff here! */
- NlsUninit();
-
- /* Delete DLL critical section */
- if (ConsoleInitialized == TRUE)
- {
- RtlDeleteCriticalSection (&ConsoleLock);
- }
- RtlDeleteCriticalSection (&DllLock);
-
- /* Close object base directory */
- NtClose(hBaseDir);
-
- RtlFreeUnicodeString (&SystemDirectory);
- RtlFreeUnicodeString (&WindowsDirectory);
- }
- break;
-
- default:
- break;
- }
-
- return TRUE;
-}
-
-/* EOF */
projects / reactos.git / blobdiff