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

   1 /*
   2  *  ReactOS W32 Subsystem
   3  *  Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  *
  21  *  Entry Point for win32k.sys
  22  */
  23
  24 #include <w32k.h>
  25 #include <include/napi.h>
  26
  27 #define NDEBUG
  28 #include <debug.h>
  29
  30 PGDI_HANDLE_TABLE INTERNAL_CALL GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
  31 BOOL INTERNAL_CALL GDI_CleanupForProcess (struct _EPROCESS *Process);
  32 /* FIXME */
  33 PGDI_HANDLE_TABLE GdiHandleTable = NULL;
  34 PSECTION_OBJECT GdiTableSection = NULL;
  35
  36 LIST_ENTRY GlobalDriverListHead;
  37
  38 HANDLE GlobalUserHeap = NULL;
  39 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  40
  41 PSERVERINFO gpsi = NULL; // Global User Server Information.
  42
  43 HSEMAPHORE hsemDriverMgmt = NULL;
  44
  45 SHORT gusLanguageID;
  46
  47 extern ULONG_PTR Win32kSSDT[];
  48 extern UCHAR Win32kSSPT[];
  49 extern ULONG Win32kNumberOfSysCalls;
  50
  51 NTSTATUS
  52 APIENTRY
  53 Win32kProcessCallback(struct _EPROCESS *Process,
  54                       BOOLEAN Create)
  55 {
  56     PW32PROCESS Win32Process;
  57     DECLARE_RETURN(NTSTATUS);
  58
  59     DPRINT("Enter Win32kProcessCallback\n");
  60     UserEnterExclusive();
  61
  62     /* Get the Win32 Process */
  63     Win32Process = PsGetProcessWin32Process(Process);
  64
  65     /* Allocate one if needed */
  66     if (!Win32Process)
  67     {
  68         /* FIXME - lock the process */
  69         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  70                                              sizeof(W32PROCESS),
  71                                              TAG('W', '3', '2', 'p'));
  72
  73         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  74
  75         RtlZeroMemory(Win32Process, sizeof(W32PROCESS));
  76
  77         PsSetProcessWin32Process(Process, Win32Process);
  78         /* FIXME - unlock the process */
  79     }
  80
  81   if (Create)
  82     {
  83       SIZE_T ViewSize = 0;
  84       LARGE_INTEGER Offset;
  85       PVOID UserBase = NULL;
  86       NTSTATUS Status;
  87       extern PSECTION_OBJECT GlobalUserHeapSection;
  88       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  89
  90       /* map the global heap into the process */
  91       Offset.QuadPart = 0;
  92       Status = MmMapViewOfSection(GlobalUserHeapSection,
  93                                   PsGetCurrentProcess(),
  94                                   &UserBase,
  95                                   0,
  96                                   0,
  97                                   &Offset,
  98                                   &ViewSize,
  99                                   ViewUnmap,
 100                                   SEC_NO_CHANGE,
 101                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 102       if (!NT_SUCCESS(Status))
 103       {
 104           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 105           RETURN(Status);
 106       }
 107       Win32Process->HeapMappings.Next = NULL;
 108       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 109       Win32Process->HeapMappings.UserMapping = UserBase;
 110       Win32Process->HeapMappings.Count = 1;
 111
 112       InitializeListHead(&Win32Process->ClassList);
 113
 114       InitializeListHead(&Win32Process->MenuListHead);
 115
 116       InitializeListHead(&Win32Process->PrivateFontListHead);
 117       ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
 118
 119       InitializeListHead(&Win32Process->DriverObjListHead);
 120       ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 121
 122       Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 123
 124       if(Process->Peb != NULL)
 125       {
 126         /* map the gdi handle table to user land */
 127         Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(GdiTableSection, Process);
 128         Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 129       }
 130
 131       /* setup process flags */
 132       Win32Process->Flags = 0;
 133     }
 134   else
 135     {
 136       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 137       IntCleanupMenus(Process, Win32Process);
 138       IntCleanupCurIcons(Process, Win32Process);
 139       CleanupMonitorImpl();
 140
 141       /* no process windows should exist at this point, or the function will assert! */
 142       DestroyProcessClasses(Win32Process);
 143
 144       GDI_CleanupForProcess(Process);
 145
 146       co_IntGraphicsCheck(FALSE);
 147
 148       /*
 149        * Deregister logon application automatically
 150        */
 151       if(LogonProcess == Win32Process)
 152       {
 153         LogonProcess = NULL;
 154       }
 155
 156       if (Win32Process->ProcessInfo != NULL)
 157       {
 158           UserHeapFree(Win32Process->ProcessInfo);
 159           Win32Process->ProcessInfo = NULL;
 160       }
 161     }
 162
 163   RETURN( STATUS_SUCCESS);
 164
 165 CLEANUP:
 166   UserLeave();
 167   DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 168   END_CLEANUP;
 169 }
 170
 171
 172 NTSTATUS
 173 APIENTRY
 174 Win32kThreadCallback(struct _ETHREAD *Thread,
 175                      PSW32THREADCALLOUTTYPE Type)
 176 {
 177     struct _EPROCESS *Process;
 178     PTHREADINFO Win32Thread;
 179     DECLARE_RETURN(NTSTATUS);
 180
 181     DPRINT("Enter Win32kThreadCallback\n");
 182     UserEnterExclusive();
 183
 184     Process = Thread->ThreadsProcess;
 185
 186     /* Get the Win32 Thread */
 187     Win32Thread = PsGetThreadWin32Thread(Thread);
 188
 189     /* Allocate one if needed */
 190     if (!Win32Thread)
 191     {
 192         /* FIXME - lock the process */
 193         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 194                                             sizeof(THREADINFO),
 195                                             TAG('W', '3', '2', 't'));
 196
 197         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 198
 199         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 200
 201         PsSetThreadWin32Thread(Thread, Win32Thread);
 202         /* FIXME - unlock the process */
 203     }
 204   if (Type == PsW32ThreadCalloutInitialize)
 205     {
 206       HWINSTA hWinSta = NULL;
 207       PTEB pTeb;
 208       HDESK hDesk = NULL;
 209       NTSTATUS Status;
 210       PUNICODE_STRING DesktopPath;
 211       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 212
 213       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 214
 215       InitializeListHead(&Win32Thread->WindowListHead);
 216       InitializeListHead(&Win32Thread->W32CallbackListHead);
 217       InitializeListHead(&Win32Thread->PtiLink);
 218
 219       /*
 220        * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 221        * info structure. See documentation of CreateProcess()
 222        */
 223       DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 224       Status = IntParseDesktopPath(Process,
 225                                    DesktopPath,
 226                                    &hWinSta,
 227                                    &hDesk);
 228       if(NT_SUCCESS(Status))
 229       {
 230         if(hWinSta != NULL)
 231         {
 232           if(Process != CsrProcess)
 233           {
 234             HWINSTA hProcessWinSta = (HWINSTA)InterlockedCompareExchangePointer((PVOID)&Process->Win32WindowStation, (PVOID)hWinSta, NULL);
 235             if(hProcessWinSta != NULL)
 236             {
 237               /* our process is already assigned to a different window station, we don't need the handle anymore */
 238               NtClose(hWinSta);
 239             }
 240           }
 241           else
 242           {
 243             NtClose(hWinSta);
 244           }
 245         }
 246
 247         if (hDesk != NULL)
 248         {
 249           PDESKTOP DesktopObject;
 250           Win32Thread->Desktop = NULL;
 251           Status = ObReferenceObjectByHandle(hDesk,
 252                                              0,
 253                                              ExDesktopObjectType,
 254                                              KernelMode,
 255                                              (PVOID*)&DesktopObject,
 256                                              NULL);
 257           NtClose(hDesk);
 258           if(NT_SUCCESS(Status))
 259           {
 260             if (!IntSetThreadDesktop(DesktopObject,
 261                                      FALSE))
 262             {
 263               DPRINT1("Unable to set thread desktop\n");
 264             }
 265           }
 266           else
 267           {
 268             DPRINT1("Unable to reference thread desktop handle 0x%x\n", hDesk);
 269           }
 270         }
 271       }
 272       Win32Thread->IsExiting = FALSE;
 273       co_IntDestroyCaret(Win32Thread);
 274       Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 275       pTeb = NtCurrentTeb();
 276       if (pTeb)
 277       {
 278           Win32Thread->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
 279           Win32Thread->pClientInfo->pClientThreadInfo = NULL;
 280       }
 281       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 282       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 283       if (Win32Thread->ThreadInfo)
 284       {
 285           Win32Thread->ThreadInfo->ClientThreadInfo.dwcPumpHook = 0;
 286           Win32Thread->pClientInfo->pClientThreadInfo = &Win32Thread->ThreadInfo->ClientThreadInfo;
 287       }
 288     }
 289   else
 290     {
 291       PSINGLE_LIST_ENTRY e;
 292
 293       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 294
 295       Win32Thread->IsExiting = TRUE;
 296       HOOK_DestroyThreadHooks(Thread);
 297       UnregisterThreadHotKeys(Thread);
 298       /* what if this co_ func crash in umode? what will clean us up then? */
 299       co_DestroyThreadWindows(Thread);
 300       IntBlockInput(Win32Thread, FALSE);
 301       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 302       IntCleanupThreadCallbacks(Win32Thread);
 303
 304       /* cleanup user object references stack */
 305       e = PopEntryList(&Win32Thread->ReferencesList);
 306       while (e)
 307       {
 308          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 309          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 310          UserDereferenceObject(ref->obj);
 311
 312          e = PopEntryList(&Win32Thread->ReferencesList);
 313       }
 314
 315       IntSetThreadDesktop(NULL,
 316                           TRUE);
 317
 318       if (Win32Thread->ThreadInfo != NULL)
 319       {
 320           UserHeapFree(Win32Thread->ThreadInfo);
 321           Win32Thread->ThreadInfo = NULL;
 322       }
 323
 324       PsSetThreadWin32Thread(Thread, NULL);
 325     }
 326
 327   RETURN( STATUS_SUCCESS);
 328
 329 CLEANUP:
 330   UserLeave();
 331   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 332   END_CLEANUP;
 333 }
 334
 335 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 336    not called there anymore, please delete */
 337 NTSTATUS
 338 Win32kInitWin32Thread(PETHREAD Thread)
 339 {
 340   PEPROCESS Process;
 341
 342   Process = Thread->ThreadsProcess;
 343
 344   if (Process->Win32Process == NULL)
 345     {
 346       /* FIXME - lock the process */
 347       Process->Win32Process = ExAllocatePool(NonPagedPool, sizeof(W32PROCESS));
 348
 349       if (Process->Win32Process == NULL)
 350         return STATUS_NO_MEMORY;
 351
 352       RtlZeroMemory(Process->Win32Process, sizeof(W32PROCESS));
 353       /* FIXME - unlock the process */
 354
 355       Win32kProcessCallback(Process, TRUE);
 356     }
 357
 358   if (Thread->Tcb.Win32Thread == NULL)
 359     {
 360       Thread->Tcb.Win32Thread = ExAllocatePool (NonPagedPool, sizeof(THREADINFO));
 361       if (Thread->Tcb.Win32Thread == NULL)
 362         return STATUS_NO_MEMORY;
 363
 364       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 365
 366       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 367     }
 368
 369   return(STATUS_SUCCESS);
 370 }
 371
 372
 373 /*
 374  * This definition doesn't work
 375  */
 376 NTSTATUS APIENTRY
 377 DriverEntry (
 378   IN    PDRIVER_OBJECT  DriverObject,
 379   IN    PUNICODE_STRING RegistryPath)
 380 {
 381   NTSTATUS Status;
 382   BOOLEAN Result;
 383   WIN32_CALLOUTS_FPNS CalloutData = {0};
 384   PVOID GlobalUserHeapBase = NULL;
 385
 386   /*
 387    * Register user mode call interface
 388    * (system service table index = 1)
 389    */
 390   Result = KeAddSystemServiceTable (Win32kSSDT,
 391                                     NULL,
 392                                     Win32kNumberOfSysCalls,
 393                                     Win32kSSPT,
 394                                     1);
 395   if (Result == FALSE)
 396     {
 397       DPRINT1("Adding system services failed!\n");
 398       return STATUS_UNSUCCESSFUL;
 399     }
 400
 401     /*
 402      * Register Object Manager Callbacks
 403      */
 404     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 405     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 406     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 407     CalloutData.ProcessCallout = Win32kProcessCallback;
 408     CalloutData.ThreadCallout = Win32kThreadCallback;
 409     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 410
 411     /*
 412      * Register our per-process and per-thread structures.
 413      */
 414     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 415
 416     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 417                                     &GlobalUserHeapBase,
 418                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 419     if (GlobalUserHeap == NULL)
 420     {
 421         DPRINT1("Failed to initialize the global heap!\n");
 422         return STATUS_UNSUCCESSFUL;
 423     }
 424
 425   /* Initialize a list of loaded drivers in Win32 subsystem */
 426   InitializeListHead(&GlobalDriverListHead);
 427
 428   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 429
 430   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 431   if (GdiHandleTable == NULL)
 432   {
 433       DPRINT1("Failed to initialize the GDI handle table.\n");
 434       return STATUS_UNSUCCESSFUL;
 435   }
 436
 437   Status = InitUserImpl();
 438   if (!NT_SUCCESS(Status))
 439   {
 440     DPRINT1("Failed to initialize user implementation!\n");
 441     return STATUS_UNSUCCESSFUL;
 442   }
 443
 444   Status = InitHotkeyImpl();
 445   if (!NT_SUCCESS(Status))
 446   {
 447     DPRINT1("Failed to initialize hotkey implementation!\n");
 448     return STATUS_UNSUCCESSFUL;
 449   }
 450
 451   Status = InitWindowStationImpl();
 452   if (!NT_SUCCESS(Status))
 453   {
 454     DPRINT1("Failed to initialize window station implementation!\n");
 455     return STATUS_UNSUCCESSFUL;
 456   }
 457
 458   Status = InitDesktopImpl();
 459   if (!NT_SUCCESS(Status))
 460   {
 461     DPRINT1("Failed to initialize desktop implementation!\n");
 462     return STATUS_UNSUCCESSFUL;
 463   }
 464
 465   Status = InitWindowImpl();
 466   if (!NT_SUCCESS(Status))
 467   {
 468     DPRINT1("Failed to initialize window implementation!\n");
 469     return STATUS_UNSUCCESSFUL;
 470   }
 471
 472   Status = InitMenuImpl();
 473   if (!NT_SUCCESS(Status))
 474   {
 475     DPRINT1("Failed to initialize menu implementation!\n");
 476     return STATUS_UNSUCCESSFUL;
 477   }
 478
 479   Status = InitInputImpl();
 480   if (!NT_SUCCESS(Status))
 481     {
 482       DPRINT1("Failed to initialize input implementation.\n");
 483       return(Status);
 484     }
 485
 486   Status = InitKeyboardImpl();
 487   if (!NT_SUCCESS(Status))
 488     {
 489       DPRINT1("Failed to initialize keyboard implementation.\n");
 490       return(Status);
 491     }
 492
 493   Status = InitMonitorImpl();
 494   if (!NT_SUCCESS(Status))
 495     {
 496       DbgPrint("Failed to initialize monitor implementation!\n");
 497       return STATUS_UNSUCCESSFUL;
 498     }
 499
 500   Status = MsqInitializeImpl();
 501   if (!NT_SUCCESS(Status))
 502     {
 503       DPRINT1("Failed to initialize message queue implementation.\n");
 504       return(Status);
 505     }
 506
 507   Status = InitTimerImpl();
 508   if (!NT_SUCCESS(Status))
 509     {
 510       DPRINT1("Failed to initialize timer implementation.\n");
 511       return(Status);
 512     }
 513
 514   Status = InitAcceleratorImpl();
 515   if (!NT_SUCCESS(Status))
 516     {
 517       DPRINT1("Failed to initialize accelerator implementation.\n");
 518       return(Status);
 519     }
 520
 521   Status = InitGuiCheckImpl();
 522   if (!NT_SUCCESS(Status))
 523     {
 524       DPRINT1("Failed to initialize GUI check implementation.\n");
 525       return(Status);
 526     }
 527
 528   Status = InitDcImpl();
 529   if (!NT_SUCCESS(Status))
 530   {
 531     DPRINT1("Failed to initialize Device context implementation!\n");
 532     return STATUS_UNSUCCESSFUL;
 533   }
 534
 535   /* Initialize FreeType library */
 536   if (! InitFontSupport())
 537     {
 538       DPRINT1("Unable to initialize font support\n");
 539       return STATUS_UNSUCCESSFUL;
 540     }
 541
 542   /* Create stock objects, ie. precreated objects commonly
 543      used by win32 applications */
 544   CreateStockObjects();
 545   CreateSysColorObjects();
 546
 547   gusLanguageID = IntGdiGetLanguageID();
 548
 549   return STATUS_SUCCESS;
 550 }
 551
 552 /* EOF */