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 extern ULONG_PTR Win32kSSDT[];
  46 extern UCHAR Win32kSSPT[];
  47 extern ULONG Win32kNumberOfSysCalls;
  48
  49 NTSTATUS
  50 STDCALL
  51 Win32kProcessCallback(struct _EPROCESS *Process,
  52                       BOOLEAN Create)
  53 {
  54     PW32PROCESS Win32Process;
  55     DECLARE_RETURN(NTSTATUS);
  56
  57     DPRINT("Enter Win32kProcessCallback\n");
  58     UserEnterExclusive();
  59
  60     /* Get the Win32 Process */
  61     Win32Process = PsGetProcessWin32Process(Process);
  62
  63     /* Allocate one if needed */
  64     if (!Win32Process)
  65     {
  66         /* FIXME - lock the process */
  67         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  68                                              sizeof(W32PROCESS),
  69                                              TAG('W', '3', '2', 'p'));
  70
  71         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  72
  73         RtlZeroMemory(Win32Process, sizeof(W32PROCESS));
  74
  75         PsSetProcessWin32Process(Process, Win32Process);
  76         /* FIXME - unlock the process */
  77     }
  78
  79   if (Create)
  80     {
  81       SIZE_T ViewSize = 0;
  82       LARGE_INTEGER Offset;
  83       PVOID UserBase = NULL;
  84       NTSTATUS Status;
  85       extern PSECTION_OBJECT GlobalUserHeapSection;
  86       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  87
  88       /* map the global heap into the process */
  89       Offset.QuadPart = 0;
  90       Status = MmMapViewOfSection(GlobalUserHeapSection,
  91                                   PsGetCurrentProcess(),
  92                                   &UserBase,
  93                                   0,
  94                                   0,
  95                                   &Offset,
  96                                   &ViewSize,
  97                                   ViewUnmap,
  98                                   SEC_NO_CHANGE,
  99                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 100       if (!NT_SUCCESS(Status))
 101       {
 102           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 103           RETURN(Status);
 104       }
 105       Win32Process->HeapMappings.Next = NULL;
 106       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 107       Win32Process->HeapMappings.UserMapping = UserBase;
 108       Win32Process->HeapMappings.Count = 1;
 109
 110       InitializeListHead(&Win32Process->ClassList);
 111
 112       InitializeListHead(&Win32Process->MenuListHead);
 113
 114       InitializeListHead(&Win32Process->PrivateFontListHead);
 115       ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
 116
 117       InitializeListHead(&Win32Process->DriverObjListHead);
 118       ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 119
 120       Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 121
 122       if(Process->Peb != NULL)
 123       {
 124         /* map the gdi handle table to user land */
 125         Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(GdiTableSection, Process);
 126         Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 127       }
 128
 129       /* setup process flags */
 130       Win32Process->Flags = 0;
 131     }
 132   else
 133     {
 134       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 135       IntCleanupMenus(Process, Win32Process);
 136       IntCleanupCurIcons(Process, Win32Process);
 137       IntEngCleanupDriverObjs(Process, Win32Process);
 138       CleanupMonitorImpl();
 139
 140       /* no process windows should exist at this point, or the function will assert! */
 141       DestroyProcessClasses(Win32Process);
 142
 143       GDI_CleanupForProcess(Process);
 144
 145       co_IntGraphicsCheck(FALSE);
 146
 147       /*
 148        * Deregister logon application automatically
 149        */
 150       if(LogonProcess == Win32Process)
 151       {
 152         LogonProcess = NULL;
 153       }
 154
 155       if (Win32Process->ProcessInfo != NULL)
 156       {
 157           UserHeapFree(Win32Process->ProcessInfo);
 158           Win32Process->ProcessInfo = NULL;
 159       }
 160     }
 161
 162   RETURN( STATUS_SUCCESS);
 163
 164 CLEANUP:
 165   UserLeave();
 166   DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 167   END_CLEANUP;
 168 }
 169
 170
 171 NTSTATUS
 172 STDCALL
 173 Win32kThreadCallback(struct _ETHREAD *Thread,
 174                      PSW32THREADCALLOUTTYPE Type)
 175 {
 176     struct _EPROCESS *Process;
 177     PW32THREAD Win32Thread;
 178     DECLARE_RETURN(NTSTATUS);
 179
 180     DPRINT("Enter Win32kThreadCallback\n");
 181     UserEnterExclusive();
 182
 183     Process = Thread->ThreadsProcess;
 184
 185     /* Get the Win32 Thread */
 186     Win32Thread = PsGetThreadWin32Thread(Thread);
 187
 188     /* Allocate one if needed */
 189     if (!Win32Thread)
 190     {
 191         /* FIXME - lock the process */
 192         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 193                                             sizeof(W32THREAD),
 194                                             TAG('W', '3', '2', 't'));
 195
 196         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 197
 198         RtlZeroMemory(Win32Thread, sizeof(W32THREAD));
 199
 200         PsSetThreadWin32Thread(Thread, Win32Thread);
 201         /* FIXME - unlock the process */
 202     }
 203   if (Type == PsW32ThreadCalloutInitialize)
 204     {
 205       HWINSTA hWinSta = NULL;
 206       HDESK hDesk = NULL;
 207       NTSTATUS Status;
 208       PUNICODE_STRING DesktopPath;
 209       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 210
 211       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 212
 213       InitializeListHead(&Win32Thread->WindowListHead);
 214       InitializeListHead(&Win32Thread->W32CallbackListHead);
 215
 216       /*
 217        * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 218        * info structure. See documentation of CreateProcess()
 219        */
 220       DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 221       Status = IntParseDesktopPath(Process,
 222                                    DesktopPath,
 223                                    &hWinSta,
 224                                    &hDesk);
 225       if(NT_SUCCESS(Status))
 226       {
 227         if(hWinSta != NULL)
 228         {
 229           if(Process != CsrProcess)
 230           {
 231             HWINSTA hProcessWinSta = (HWINSTA)InterlockedCompareExchangePointer((PVOID)&Process->Win32WindowStation, (PVOID)hWinSta, NULL);
 232             if(hProcessWinSta != NULL)
 233             {
 234               /* our process is already assigned to a different window station, we don't need the handle anymore */
 235               NtClose(hWinSta);
 236             }
 237           }
 238           else
 239           {
 240             NtClose(hWinSta);
 241           }
 242         }
 243
 244         if (hDesk != NULL)
 245         {
 246           PDESKTOP_OBJECT DesktopObject;
 247           Win32Thread->Desktop = NULL;
 248           Status = ObReferenceObjectByHandle(hDesk,
 249                                              0,
 250                                              ExDesktopObjectType,
 251                                              KernelMode,
 252                                              (PVOID*)&DesktopObject,
 253                                              NULL);
 254           NtClose(hDesk);
 255           if(NT_SUCCESS(Status))
 256           {
 257             if (!IntSetThreadDesktop(DesktopObject,
 258                                      FALSE))
 259             {
 260               DPRINT1("Unable to set thread desktop\n");
 261             }
 262           }
 263           else
 264           {
 265             DPRINT1("Unable to reference thread desktop handle 0x%x\n", hDesk);
 266           }
 267         }
 268       }
 269       Win32Thread->IsExiting = FALSE;
 270       co_IntDestroyCaret(Win32Thread);
 271       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 272       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 273       if (Win32Thread->ThreadInfo)
 274           Win32Thread->ThreadInfo->ClientThreadInfo.dwcPumpHook = 0;
 275     }
 276   else
 277     {
 278       PSINGLE_LIST_ENTRY e;
 279
 280       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 281
 282       Win32Thread->IsExiting = TRUE;
 283       HOOK_DestroyThreadHooks(Thread);
 284       UnregisterThreadHotKeys(Thread);
 285       /* what if this co_ func crash in umode? what will clean us up then? */
 286       co_DestroyThreadWindows(Thread);
 287       IntBlockInput(Win32Thread, FALSE);
 288       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 289       IntCleanupThreadCallbacks(Win32Thread);
 290
 291       /* cleanup user object references stack */
 292       e = PopEntryList(&Win32Thread->ReferencesList);
 293       while (e)
 294       {
 295          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 296          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 297          UserDereferenceObject(ref->obj);
 298
 299          e = PopEntryList(&Win32Thread->ReferencesList);
 300       }
 301
 302       IntSetThreadDesktop(NULL,
 303                           TRUE);
 304
 305       if (Win32Thread->ThreadInfo != NULL)
 306       {
 307           UserHeapFree(Win32Thread->ThreadInfo);
 308           Win32Thread->ThreadInfo = NULL;
 309       }
 310
 311       PsSetThreadWin32Thread(Thread, NULL);
 312     }
 313
 314   RETURN( STATUS_SUCCESS);
 315
 316 CLEANUP:
 317   UserLeave();
 318   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 319   END_CLEANUP;
 320 }
 321
 322 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 323    not called there anymore, please delete */
 324 NTSTATUS
 325 Win32kInitWin32Thread(PETHREAD Thread)
 326 {
 327   PEPROCESS Process;
 328
 329   Process = Thread->ThreadsProcess;
 330
 331   if (Process->Win32Process == NULL)
 332     {
 333       /* FIXME - lock the process */
 334       Process->Win32Process = ExAllocatePool(NonPagedPool, sizeof(W32PROCESS));
 335
 336       if (Process->Win32Process == NULL)
 337         return STATUS_NO_MEMORY;
 338
 339       RtlZeroMemory(Process->Win32Process, sizeof(W32PROCESS));
 340       /* FIXME - unlock the process */
 341
 342       Win32kProcessCallback(Process, TRUE);
 343     }
 344
 345   if (Thread->Tcb.Win32Thread == NULL)
 346     {
 347       Thread->Tcb.Win32Thread = ExAllocatePool (NonPagedPool, sizeof(W32THREAD));
 348       if (Thread->Tcb.Win32Thread == NULL)
 349         return STATUS_NO_MEMORY;
 350
 351       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(W32THREAD));
 352
 353       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 354     }
 355
 356   return(STATUS_SUCCESS);
 357 }
 358
 359
 360 /*
 361  * This definition doesn't work
 362  */
 363 NTSTATUS STDCALL
 364 DriverEntry (
 365   IN    PDRIVER_OBJECT  DriverObject,
 366   IN    PUNICODE_STRING RegistryPath)
 367 {
 368   NTSTATUS Status;
 369   BOOLEAN Result;
 370   WIN32_CALLOUTS_FPNS CalloutData = {0};
 371   PVOID GlobalUserHeapBase = NULL;
 372
 373   /*
 374    * Register user mode call interface
 375    * (system service table index = 1)
 376    */
 377   Result = KeAddSystemServiceTable (Win32kSSDT,
 378                                     NULL,
 379                                     Win32kNumberOfSysCalls,
 380                                     Win32kSSPT,
 381                                     1);
 382   if (Result == FALSE)
 383     {
 384       DPRINT1("Adding system services failed!\n");
 385       return STATUS_UNSUCCESSFUL;
 386     }
 387
 388     /*
 389      * Register Object Manager Callbacks
 390      */
 391     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 392     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 393     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 394     CalloutData.ProcessCallout = Win32kProcessCallback;
 395     CalloutData.ThreadCallout = Win32kThreadCallback;
 396     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 397
 398     /*
 399      * Register our per-process and per-thread structures.
 400      */
 401     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 402
 403     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 404                                     &GlobalUserHeapBase,
 405                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 406     if (GlobalUserHeap == NULL)
 407     {
 408         DPRINT1("Failed to initialize the global heap!\n");
 409         return STATUS_UNSUCCESSFUL;
 410     }
 411
 412   /* Initialize a list of loaded drivers in Win32 subsystem */
 413   InitializeListHead(&GlobalDriverListHead);
 414
 415   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 416
 417   Status = InitUserImpl();
 418   if (!NT_SUCCESS(Status))
 419   {
 420     DPRINT1("Failed to initialize user implementation!\n");
 421     return STATUS_UNSUCCESSFUL;
 422   }
 423
 424   Status = InitHotkeyImpl();
 425   if (!NT_SUCCESS(Status))
 426   {
 427     DPRINT1("Failed to initialize hotkey implementation!\n");
 428     return STATUS_UNSUCCESSFUL;
 429   }
 430
 431   Status = InitWindowStationImpl();
 432   if (!NT_SUCCESS(Status))
 433   {
 434     DPRINT1("Failed to initialize window station implementation!\n");
 435     return STATUS_UNSUCCESSFUL;
 436   }
 437
 438   Status = InitDesktopImpl();
 439   if (!NT_SUCCESS(Status))
 440   {
 441     DPRINT1("Failed to initialize desktop implementation!\n");
 442     return STATUS_UNSUCCESSFUL;
 443   }
 444
 445   Status = InitWindowImpl();
 446   if (!NT_SUCCESS(Status))
 447   {
 448     DPRINT1("Failed to initialize window implementation!\n");
 449     return STATUS_UNSUCCESSFUL;
 450   }
 451
 452   Status = InitMenuImpl();
 453   if (!NT_SUCCESS(Status))
 454   {
 455     DPRINT1("Failed to initialize menu implementation!\n");
 456     return STATUS_UNSUCCESSFUL;
 457   }
 458
 459   Status = InitInputImpl();
 460   if (!NT_SUCCESS(Status))
 461     {
 462       DPRINT1("Failed to initialize input implementation.\n");
 463       return(Status);
 464     }
 465
 466   Status = InitKeyboardImpl();
 467   if (!NT_SUCCESS(Status))
 468     {
 469       DPRINT1("Failed to initialize keyboard implementation.\n");
 470       return(Status);
 471     }
 472
 473   Status = InitMonitorImpl();
 474   if (!NT_SUCCESS(Status))
 475     {
 476       DbgPrint("Failed to initialize monitor implementation!\n");
 477       return STATUS_UNSUCCESSFUL;
 478     }
 479
 480   Status = MsqInitializeImpl();
 481   if (!NT_SUCCESS(Status))
 482     {
 483       DPRINT1("Failed to initialize message queue implementation.\n");
 484       return(Status);
 485     }
 486
 487   Status = InitTimerImpl();
 488   if (!NT_SUCCESS(Status))
 489     {
 490       DPRINT1("Failed to initialize timer implementation.\n");
 491       return(Status);
 492     }
 493
 494   Status = InitAcceleratorImpl();
 495   if (!NT_SUCCESS(Status))
 496     {
 497       DPRINT1("Failed to initialize accelerator implementation.\n");
 498       return(Status);
 499     }
 500
 501   Status = InitGuiCheckImpl();
 502   if (!NT_SUCCESS(Status))
 503     {
 504       DPRINT1("Failed to initialize GUI check implementation.\n");
 505       return(Status);
 506     }
 507
 508   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 509   if (GdiHandleTable == NULL)
 510   {
 511       DPRINT1("Failed to initialize the GDI handle table.\n");
 512       return STATUS_UNSUCCESSFUL;
 513   }
 514
 515   Status = InitDcImpl();
 516   if (!NT_SUCCESS(Status))
 517   {
 518     DPRINT1("Failed to initialize Device context implementation!\n");
 519     return STATUS_UNSUCCESSFUL;
 520   }
 521
 522   /* Initialize FreeType library */
 523   if (! InitFontSupport())
 524     {
 525       DPRINT1("Unable to initialize font support\n");
 526       return STATUS_UNSUCCESSFUL;
 527     }
 528
 529   /* Create stock objects, ie. precreated objects commonly
 530      used by win32 applications */
 531   CreateStockObjects();
 532   CreateSysColorObjects();
 533
 534   return STATUS_SUCCESS;
 535 }
 536
 537 /* EOF */