reactos/subsystems/win32/win32k/main/dllmain.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS kernel
   4  * PURPOSE:          Driver entry and initialization of win32k
   5  * FILE:             subsystems/win32/win32k/main/main.c
   6  * PROGRAMER:
   7  */
   8
   9 #include <win32k.h>
  10 #include <include/napi.h>
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 HANDLE hModuleWin;
  16
  17 PGDI_HANDLE_TABLE INTERNAL_CALL GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
  18 BOOL INTERNAL_CALL GDI_CleanupForProcess (struct _EPROCESS *Process);
  19
  20 HANDLE GlobalUserHeap = NULL;
  21 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  22
  23 PSERVERINFO gpsi = NULL; // Global User Server Information.
  24
  25 SHORT gusLanguageID;
  26
  27 extern ULONG_PTR Win32kSSDT[];
  28 extern UCHAR Win32kSSPT[];
  29 extern ULONG Win32kNumberOfSysCalls;
  30
  31 NTSTATUS
  32 APIENTRY
  33 Win32kProcessCallback(struct _EPROCESS *Process,
  34                       BOOLEAN Create)
  35 {
  36     PPROCESSINFO Win32Process;
  37     DECLARE_RETURN(NTSTATUS);
  38
  39     DPRINT("Enter Win32kProcessCallback\n");
  40     UserEnterExclusive();
  41
  42     /* Get the Win32 Process */
  43     Win32Process = PsGetProcessWin32Process(Process);
  44
  45     /* Allocate one if needed */
  46     if (!Win32Process)
  47     {
  48         /* FIXME - lock the process */
  49         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  50                                              sizeof(PROCESSINFO),
  51                                              'p23W');
  52
  53         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  54
  55         RtlZeroMemory(Win32Process, sizeof(PROCESSINFO));
  56
  57         PsSetProcessWin32Process(Process, Win32Process);
  58         /* FIXME - unlock the process */
  59     }
  60
  61     if (Create)
  62     {
  63         SIZE_T ViewSize = 0;
  64         LARGE_INTEGER Offset;
  65         PVOID UserBase = NULL;
  66         NTSTATUS Status;
  67         extern PSECTION_OBJECT GlobalUserHeapSection;
  68         DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  69
  70         /* map the global heap into the process */
  71         Offset.QuadPart = 0;
  72         Status = MmMapViewOfSection(GlobalUserHeapSection,
  73                                     PsGetCurrentProcess(),
  74                                     &UserBase,
  75                                     0,
  76                                     0,
  77                                     &Offset,
  78                                     &ViewSize,
  79                                     ViewUnmap,
  80                                     SEC_NO_CHANGE,
  81                                     PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
  82         if (!NT_SUCCESS(Status))
  83         {
  84             DPRINT1("Failed to map the global heap! 0x%x\n", Status);
  85             RETURN(Status);
  86         }
  87         Win32Process->HeapMappings.Next = NULL;
  88         Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
  89         Win32Process->HeapMappings.UserMapping = UserBase;
  90         Win32Process->HeapMappings.Count = 1;
  91
  92         InitializeListHead(&Win32Process->MenuListHead);
  93
  94         InitializeListHead(&Win32Process->GDIBrushAttrFreeList);
  95         InitializeListHead(&Win32Process->GDIDcAttrFreeList);
  96
  97         InitializeListHead(&Win32Process->PrivateFontListHead);
  98         ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
  99
 100         InitializeListHead(&Win32Process->DriverObjListHead);
 101         ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 102
 103         Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 104         EngCreateEvent((PEVENT *)&Win32Process->InputIdleEvent);
 105         KeInitializeEvent(Win32Process->InputIdleEvent, NotificationEvent, FALSE);
 106
 107         if(Process->Peb != NULL)
 108         {
 109             /* map the gdi handle table to user land */
 110             Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(Process);
 111             Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 112         }
 113
 114         Win32Process->peProcess = Process;
 115         /* setup process flags */
 116         Win32Process->W32PF_flags = 0;
 117     }
 118     else
 119     {
 120         DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 121         Win32Process->W32PF_flags |= W32PF_TERMINATED;
 122
 123         if (Win32Process->InputIdleEvent)
 124         {
 125            EngFreeMem((PVOID)Win32Process->InputIdleEvent);
 126            Win32Process->InputIdleEvent = NULL;
 127         }
 128
 129         IntCleanupMenus(Process, Win32Process);
 130         IntCleanupCurIcons(Process, Win32Process);
 131         CleanupMonitorImpl();
 132
 133         /* no process windows should exist at this point, or the function will assert! */
 134         DestroyProcessClasses(Win32Process);
 135         Win32Process->W32PF_flags &= ~W32PF_CLASSESREGISTERED;
 136
 137         GDI_CleanupForProcess(Process);
 138
 139         co_IntGraphicsCheck(FALSE);
 140
 141         /*
 142          * Deregister logon application automatically
 143          */
 144         if(LogonProcess == Win32Process)
 145         {
 146             LogonProcess = NULL;
 147         }
 148
 149         UserSetProcessWindowStation(NULL);
 150
 151     }
 152
 153     RETURN( STATUS_SUCCESS);
 154
 155 CLEANUP:
 156     UserLeave();
 157     DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 158     END_CLEANUP;
 159 }
 160
 161
 162 NTSTATUS
 163 APIENTRY
 164 Win32kThreadCallback(struct _ETHREAD *Thread,
 165                      PSW32THREADCALLOUTTYPE Type)
 166 {
 167     struct _EPROCESS *Process;
 168     PTHREADINFO Win32Thread;
 169     int i;
 170     DECLARE_RETURN(NTSTATUS);
 171
 172     DPRINT("Enter Win32kThreadCallback\n");
 173     UserEnterExclusive();
 174
 175     Process = Thread->ThreadsProcess;
 176
 177     /* Get the Win32 Thread */
 178     Win32Thread = PsGetThreadWin32Thread(Thread);
 179
 180     /* Allocate one if needed */
 181     if (!Win32Thread)
 182     {
 183         /* FIXME - lock the process */
 184         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 185                                             sizeof(THREADINFO),
 186                                             't23W');
 187
 188         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 189
 190         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 191
 192         PsSetThreadWin32Thread(Thread, Win32Thread);
 193         /* FIXME - unlock the process */
 194     }
 195     if (Type == PsW32ThreadCalloutInitialize)
 196     {
 197         HWINSTA hWinSta = NULL;
 198         PTEB pTeb;
 199         HDESK hDesk = NULL;
 200         NTSTATUS Status;
 201         PUNICODE_STRING DesktopPath;
 202         PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 203
 204         DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 205
 206         InitializeListHead(&Win32Thread->WindowListHead);
 207         InitializeListHead(&Win32Thread->W32CallbackListHead);
 208         InitializeListHead(&Win32Thread->PtiLink);
 209         for (i = 0; i < NB_HOOKS; i++)
 210         {
 211             InitializeListHead(&Win32Thread->aphkStart[i]);
 212         }
 213
 214         /*
 215          * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 216          * info structure. See documentation of CreateProcess()
 217          */
 218         DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 219         Status = IntParseDesktopPath(Process,
 220                                      DesktopPath,
 221                                      &hWinSta,
 222                                      &hDesk);
 223         if(NT_SUCCESS(Status))
 224         {
 225             if(hWinSta != NULL)
 226             {
 227                 if(!UserSetProcessWindowStation(hWinSta))
 228                 {
 229                     DPRINT1("Failed to set process window station\n");
 230                 }
 231             }
 232
 233             if (hDesk != NULL)
 234             {
 235                 if (!IntSetThreadDesktop(hDesk, FALSE))
 236                 {
 237                         DPRINT1("Unable to set thread desktop\n");
 238                 }
 239             }
 240         }
 241         else
 242         {
 243            DPRINT1("No Desktop handle for this Thread!\n");
 244         }
 245         Win32Thread->TIF_flags &= ~TIF_INCLEANUP;
 246         co_IntDestroyCaret(Win32Thread);
 247         Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 248         Win32Thread->ptiSibling = Win32Thread->ppi->ptiList;
 249         Win32Thread->ppi->ptiList = Win32Thread;
 250         Win32Thread->ppi->cThreads++;
 251         if (Win32Thread->rpdesk && !Win32Thread->pDeskInfo)
 252         {
 253            Win32Thread->pDeskInfo = Win32Thread->rpdesk->pDeskInfo;
 254         }
 255         Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 256         Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 257         pTeb = NtCurrentTeb();
 258         if (pTeb)
 259         { /* Attempt to startup client support which should have been initialized in IntSetThreadDesktop. */
 260            PCLIENTINFO pci = (PCLIENTINFO)pTeb->Win32ClientInfo;
 261            Win32Thread->pClientInfo = pci;
 262            pci->ppi = Win32Thread->ppi;
 263            pci->fsHooks = Win32Thread->fsHooks;
 264            if (Win32Thread->KeyboardLayout) pci->hKL = Win32Thread->KeyboardLayout->hkl;
 265            pci->dwTIFlags = Win32Thread->TIF_flags;
 266            /* CI may not have been initialized. */
 267            if (!pci->pDeskInfo && Win32Thread->pDeskInfo)
 268            {
 269               if (!pci->ulClientDelta) pci->ulClientDelta = DesktopHeapGetUserDelta();
 270
 271               pci->pDeskInfo = (PVOID)((ULONG_PTR)Win32Thread->pDeskInfo - pci->ulClientDelta);
 272            }
 273            if (Win32Thread->pcti && pci->pDeskInfo)
 274               pci->pClientThreadInfo = (PVOID)((ULONG_PTR)Win32Thread->pcti - pci->ulClientDelta);
 275            else
 276               pci->pClientThreadInfo = NULL;
 277         }
 278         else
 279         {
 280            DPRINT1("No TEB for this Thread!\n");
 281            // System thread running! Now SendMessage should be okay.
 282            Win32Thread->pcti = &Win32Thread->cti;
 283         }
 284         Win32Thread->pEThread = Thread;
 285     }
 286     else
 287     {
 288         PTHREADINFO pti;
 289         PSINGLE_LIST_ENTRY e;
 290
 291         DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 292
 293         Win32Thread->TIF_flags |= TIF_INCLEANUP;
 294         pti = Win32Thread->ppi->ptiList;
 295         if (pti == Win32Thread)
 296         {
 297            Win32Thread->ppi->ptiList = Win32Thread->ptiSibling;
 298            Win32Thread->ppi->cThreads--;
 299         }
 300         else
 301         {
 302            do
 303            {
 304                if (pti->ptiSibling == Win32Thread)
 305                {
 306                   pti->ptiSibling = Win32Thread->ptiSibling;
 307                   Win32Thread->ppi->cThreads--;
 308                   break;
 309                }
 310                pti = pti->ptiSibling;
 311            }
 312            while (pti);
 313         }
 314         DceFreeThreadDCE(Win32Thread);
 315         HOOK_DestroyThreadHooks(Thread);
 316         EVENT_DestroyThreadEvents(Thread);
 317         /* Cleanup timers */
 318         DestroyTimersForThread(Win32Thread);
 319         KeSetEvent(Win32Thread->MessageQueue->NewMessages, IO_NO_INCREMENT, FALSE);
 320         UnregisterThreadHotKeys(Thread);
 321         /* what if this co_ func crash in umode? what will clean us up then? */
 322         co_DestroyThreadWindows(Thread);
 323         IntBlockInput(Win32Thread, FALSE);
 324         MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 325         IntCleanupThreadCallbacks(Win32Thread);
 326
 327         /* cleanup user object references stack */
 328         e = PopEntryList(&Win32Thread->ReferencesList);
 329         while (e)
 330         {
 331             PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 332             DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 333             UserDereferenceObject(ref->obj);
 334
 335             e = PopEntryList(&Win32Thread->ReferencesList);
 336         }
 337
 338         IntSetThreadDesktop(NULL, TRUE);
 339
 340         PsSetThreadWin32Thread(Thread, NULL);
 341     }
 342
 343     RETURN( STATUS_SUCCESS);
 344
 345 CLEANUP:
 346     UserLeave();
 347     DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 348     END_CLEANUP;
 349 }
 350
 351 NTSTATUS
 352 Win32kInitWin32Thread(PETHREAD Thread)
 353 {
 354     PEPROCESS Process;
 355
 356     Process = Thread->ThreadsProcess;
 357
 358     if (Process->Win32Process == NULL)
 359     {
 360         /* FIXME - lock the process */
 361         Process->Win32Process = ExAllocatePoolWithTag(NonPagedPool, sizeof(PROCESSINFO), USERTAG_PROCESSINFO);
 362
 363         if (Process->Win32Process == NULL)
 364             return STATUS_NO_MEMORY;
 365
 366         RtlZeroMemory(Process->Win32Process, sizeof(PROCESSINFO));
 367         /* FIXME - unlock the process */
 368
 369         Win32kProcessCallback(Process, TRUE);
 370     }
 371
 372     if (Thread->Tcb.Win32Thread == NULL)
 373     {
 374         Thread->Tcb.Win32Thread = ExAllocatePoolWithTag(NonPagedPool, sizeof(THREADINFO), USERTAG_THREADINFO);
 375         if (Thread->Tcb.Win32Thread == NULL)
 376             return STATUS_NO_MEMORY;
 377
 378         RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 379
 380         Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 381     }
 382
 383     return(STATUS_SUCCESS);
 384 }
 385
 386 C_ASSERT(sizeof(SERVERINFO) <= PAGE_SIZE);
 387
 388 // Return on failure
 389 #define NT_ROF(x) \
 390     Status = (x); \
 391     if (!NT_SUCCESS(Status)) \
 392     { \
 393         DPRINT1("Failed '%s' (0x%lx)\n", #x, Status); \
 394         return Status; \
 395     }
 396
 397 /*
 398  * This definition doesn't work
 399  */
 400 INIT_FUNCTION
 401 NTSTATUS
 402 APIENTRY
 403 DriverEntry(
 404     IN  PDRIVER_OBJECT  DriverObject,
 405     IN  PUNICODE_STRING RegistryPath)
 406 {
 407     NTSTATUS Status;
 408     BOOLEAN Result;
 409     WIN32_CALLOUTS_FPNS CalloutData = {0};
 410     PVOID GlobalUserHeapBase = NULL;
 411
 412     /*
 413      * Register user mode call interface
 414      * (system service table index = 1)
 415      */
 416     Result = KeAddSystemServiceTable(Win32kSSDT,
 417                                      NULL,
 418                                      Win32kNumberOfSysCalls,
 419                                      Win32kSSPT,
 420                                      1);
 421     if (Result == FALSE)
 422     {
 423         DPRINT1("Adding system services failed!\n");
 424         return STATUS_UNSUCCESSFUL;
 425     }
 426
 427     hModuleWin = MmPageEntireDriver(DriverEntry);
 428     DPRINT("Win32k hInstance 0x%x!\n",hModuleWin);
 429
 430     /* Register Object Manager Callbacks */
 431     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 432     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 433     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 434     CalloutData.ProcessCallout = Win32kProcessCallback;
 435     CalloutData.ThreadCallout = Win32kThreadCallback;
 436     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 437     CalloutData.DesktopOkToCloseProcedure = IntDesktopOkToClose;
 438     CalloutData.WindowStationOkToCloseProcedure = IntWinstaOkToClose;
 439
 440     /* Register our per-process and per-thread structures. */
 441     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 442
 443 #if 0 // DBG
 444     /* Register service hook callbacks */
 445     KdSystemDebugControl('CsoR', DbgPreServiceHook, ID_Win32PreServiceHook, 0, 0, 0, 0);
 446     KdSystemDebugControl('CsoR', DbgPostServiceHook, ID_Win32PostServiceHook, 0, 0, 0, 0);
 447 #endif
 448
 449     /* Create the global USER heap */
 450     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 451                                     &GlobalUserHeapBase,
 452                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 453     if (GlobalUserHeap == NULL)
 454     {
 455         DPRINT1("Failed to initialize the global heap!\n");
 456         return STATUS_UNSUCCESSFUL;
 457     }
 458
 459     /* Allocate global server info structure */
 460     gpsi = UserHeapAlloc(sizeof(SERVERINFO));
 461     if (!gpsi)
 462     {
 463         DPRINT1("Failed allocate server info structure!\n");
 464         return STATUS_UNSUCCESSFUL;
 465     }
 466
 467     RtlZeroMemory(gpsi, sizeof(SERVERINFO));
 468     DPRINT("Global Server Data -> %x\n", gpsi);
 469
 470     NT_ROF(InitGdiHandleTable());
 471     NT_ROF(InitPaletteImpl());
 472
 473     /* Create stock objects, ie. precreated objects commonly
 474        used by win32 applications */
 475     CreateStockObjects();
 476     CreateSysColorObjects();
 477
 478     NT_ROF(InitXlateImpl());
 479     NT_ROF(InitPDEVImpl());
 480     NT_ROF(InitLDEVImpl());
 481     NT_ROF(InitDeviceImpl());
 482     NT_ROF(InitDcImpl());
 483     NT_ROF(InitUserImpl());
 484     NT_ROF(InitHotkeyImpl());
 485     NT_ROF(InitWindowStationImpl());
 486     NT_ROF(InitDesktopImpl());
 487     NT_ROF(InitWindowImpl());
 488     NT_ROF(InitMenuImpl());
 489     NT_ROF(InitInputImpl());
 490     NT_ROF(InitKeyboardImpl());
 491     NT_ROF(InitMonitorImpl());
 492     NT_ROF(MsqInitializeImpl());
 493     NT_ROF(InitTimerImpl());
 494     NT_ROF(InitAcceleratorImpl());
 495     NT_ROF(InitGuiCheckImpl());
 496
 497     /* Initialize FreeType library */
 498     if (!InitFontSupport())
 499     {
 500         DPRINT1("Unable to initialize font support\n");
 501         return Status;
 502     }
 503
 504     gusLanguageID = IntGdiGetLanguageID();
 505
 506     return STATUS_SUCCESS;
 507 }
 508
 509 /* EOF */