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 along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 /*
  20  *  Entry Point for win32k.sys
  21  */
  22
  23 #include <win32k.h>
  24 #include <include/napi.h>
  25
  26 #define NDEBUG
  27 #include <debug.h>
  28
  29 HANDLE hModuleWin;
  30
  31 PGDI_HANDLE_TABLE INTERNAL_CALL GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
  32 BOOL INTERNAL_CALL GDI_CleanupForProcess (struct _EPROCESS *Process);
  33 /* FIXME */
  34 PGDI_HANDLE_TABLE GdiHandleTable = NULL;
  35 PSECTION_OBJECT GdiTableSection = NULL;
  36
  37 LIST_ENTRY GlobalDriverListHead;
  38
  39 HANDLE GlobalUserHeap = NULL;
  40 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  41
  42 PSERVERINFO gpsi = NULL; // Global User Server Information.
  43
  44 HSEMAPHORE hsemDriverMgmt = NULL;
  45
  46 SHORT gusLanguageID;
  47
  48 extern ULONG_PTR Win32kSSDT[];
  49 extern UCHAR Win32kSSPT[];
  50 extern ULONG Win32kNumberOfSysCalls;
  51
  52 NTSTATUS
  53 APIENTRY
  54 Win32kProcessCallback(struct _EPROCESS *Process,
  55                       BOOLEAN Create)
  56 {
  57     PPROCESSINFO Win32Process;
  58     DECLARE_RETURN(NTSTATUS);
  59
  60     DPRINT("Enter Win32kProcessCallback\n");
  61     UserEnterExclusive();
  62
  63     /* Get the Win32 Process */
  64     Win32Process = PsGetProcessWin32Process(Process);
  65
  66     /* Allocate one if needed */
  67     if (!Win32Process)
  68     {
  69         /* FIXME - lock the process */
  70         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  71                                              sizeof(PROCESSINFO),
  72                                              'p23W');
  73
  74         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  75
  76         RtlZeroMemory(Win32Process, sizeof(PROCESSINFO));
  77
  78         PsSetProcessWin32Process(Process, Win32Process);
  79         /* FIXME - unlock the process */
  80     }
  81
  82   if (Create)
  83     {
  84       SIZE_T ViewSize = 0;
  85       LARGE_INTEGER Offset;
  86       PVOID UserBase = NULL;
  87       NTSTATUS Status;
  88       extern PSECTION_OBJECT GlobalUserHeapSection;
  89       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  90
  91       /* map the global heap into the process */
  92       Offset.QuadPart = 0;
  93       Status = MmMapViewOfSection(GlobalUserHeapSection,
  94                                   PsGetCurrentProcess(),
  95                                   &UserBase,
  96                                   0,
  97                                   0,
  98                                   &Offset,
  99                                   &ViewSize,
 100                                   ViewUnmap,
 101                                   SEC_NO_CHANGE,
 102                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 103       if (!NT_SUCCESS(Status))
 104       {
 105           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 106           RETURN(Status);
 107       }
 108       Win32Process->HeapMappings.Next = NULL;
 109       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 110       Win32Process->HeapMappings.UserMapping = UserBase;
 111       Win32Process->HeapMappings.Count = 1;
 112
 113       InitializeListHead(&Win32Process->ClassList);
 114
 115       InitializeListHead(&Win32Process->MenuListHead);
 116
 117       InitializeListHead(&Win32Process->GDIBrushAttrFreeList);
 118       InitializeListHead(&Win32Process->GDIDcAttrFreeList);
 119
 120       InitializeListHead(&Win32Process->PrivateFontListHead);
 121       ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
 122
 123       InitializeListHead(&Win32Process->DriverObjListHead);
 124       ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 125
 126       Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 127
 128       if(Process->Peb != NULL)
 129       {
 130         /* map the gdi handle table to user land */
 131         Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(GdiTableSection, Process);
 132         Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 133       }
 134
 135       Win32Process->peProcess = Process;
 136       /* setup process flags */
 137       Win32Process->W32PF_flags = 0;
 138     }
 139   else
 140     {
 141       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 142       IntCleanupMenus(Process, Win32Process);
 143       IntCleanupCurIcons(Process, Win32Process);
 144       CleanupMonitorImpl();
 145
 146       /* no process windows should exist at this point, or the function will assert! */
 147       DestroyProcessClasses(Win32Process);
 148
 149       GDI_CleanupForProcess(Process);
 150
 151       co_IntGraphicsCheck(FALSE);
 152
 153       /*
 154        * Deregister logon application automatically
 155        */
 156       if(LogonProcess == Win32Process)
 157       {
 158         LogonProcess = 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 APIENTRY
 173 Win32kThreadCallback(struct _ETHREAD *Thread,
 174                      PSW32THREADCALLOUTTYPE Type)
 175 {
 176     struct _EPROCESS *Process;
 177     PTHREADINFO 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(THREADINFO),
 194                                             't23W');
 195
 196         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 197
 198         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 199
 200         PsSetThreadWin32Thread(Thread, Win32Thread);
 201         /* FIXME - unlock the process */
 202     }
 203   if (Type == PsW32ThreadCalloutInitialize)
 204     {
 205       HWINSTA hWinSta = NULL;
 206       PTEB pTeb;
 207       HDESK hDesk = NULL;
 208       NTSTATUS Status;
 209       PUNICODE_STRING DesktopPath;
 210       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 211
 212       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 213
 214       InitializeListHead(&Win32Thread->WindowListHead);
 215       InitializeListHead(&Win32Thread->W32CallbackListHead);
 216       InitializeListHead(&Win32Thread->PtiLink);
 217
 218       /*
 219        * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 220        * info structure. See documentation of CreateProcess()
 221        */
 222       DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 223       Status = IntParseDesktopPath(Process,
 224                                    DesktopPath,
 225                                    &hWinSta,
 226                                    &hDesk);
 227       if(NT_SUCCESS(Status))
 228       {
 229         if(hWinSta != NULL)
 230         {
 231           if(Process != CsrProcess)
 232           {
 233             HWINSTA hProcessWinSta = (HWINSTA)InterlockedCompareExchangePointer((PVOID)&Process->Win32WindowStation, (PVOID)hWinSta, NULL);
 234             if(hProcessWinSta != NULL)
 235             {
 236               /* our process is already assigned to a different window station, we don't need the handle anymore */
 237               NtClose(hWinSta);
 238             }
 239           }
 240           else
 241           {
 242             NtClose(hWinSta);
 243           }
 244         }
 245
 246         if (hDesk != NULL)
 247         {
 248           PDESKTOP DesktopObject;
 249           Win32Thread->rpdesk = NULL;
 250           Status = ObReferenceObjectByHandle(hDesk,
 251                                              0,
 252                                              ExDesktopObjectType,
 253                                              KernelMode,
 254                                              (PVOID*)&DesktopObject,
 255                                              NULL);
 256           NtClose(hDesk);
 257           if(NT_SUCCESS(Status))
 258           {
 259             if (!IntSetThreadDesktop(DesktopObject,
 260                                      FALSE))
 261             {
 262               DPRINT1("Unable to set thread desktop\n");
 263             }
 264           }
 265           else
 266           {
 267             DPRINT1("Unable to reference thread desktop handle 0x%x\n", hDesk);
 268           }
 269         }
 270       }
 271       Win32Thread->TIF_flags &= ~TIF_INCLEANUP;
 272       co_IntDestroyCaret(Win32Thread);
 273       Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 274       pTeb = NtCurrentTeb();
 275       if (pTeb)
 276       {
 277           Win32Thread->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
 278           Win32Thread->pClientInfo->pClientThreadInfo = NULL;
 279       }
 280       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 281       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 282       Win32Thread->pEThread = Thread;
 283     }
 284   else
 285     {
 286       PSINGLE_LIST_ENTRY e;
 287
 288       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 289
 290       Win32Thread->TIF_flags |= TIF_INCLEANUP;
 291       DceFreeThreadDCE(Win32Thread);
 292       HOOK_DestroyThreadHooks(Thread);
 293       /* Cleanup timers */
 294       DestroyTimersForThread(Win32Thread);
 295       KeSetEvent(Win32Thread->MessageQueue->NewMessages, IO_NO_INCREMENT, FALSE);
 296       UnregisterThreadHotKeys(Thread);
 297       /* what if this co_ func crash in umode? what will clean us up then? */
 298       co_DestroyThreadWindows(Thread);
 299       IntBlockInput(Win32Thread, FALSE);
 300       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 301       IntCleanupThreadCallbacks(Win32Thread);
 302
 303       /* cleanup user object references stack */
 304       e = PopEntryList(&Win32Thread->ReferencesList);
 305       while (e)
 306       {
 307          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 308          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 309          UserDereferenceObject(ref->obj);
 310
 311          e = PopEntryList(&Win32Thread->ReferencesList);
 312       }
 313
 314       IntSetThreadDesktop(NULL,
 315                           TRUE);
 316
 317       PsSetThreadWin32Thread(Thread, NULL);
 318     }
 319
 320   RETURN( STATUS_SUCCESS);
 321
 322 CLEANUP:
 323   UserLeave();
 324   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 325   END_CLEANUP;
 326 }
 327
 328 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 329    not called there anymore, please delete */
 330 NTSTATUS
 331 Win32kInitWin32Thread(PETHREAD Thread)
 332 {
 333   PEPROCESS Process;
 334
 335   Process = Thread->ThreadsProcess;
 336
 337   if (Process->Win32Process == NULL)
 338     {
 339       /* FIXME - lock the process */
 340       Process->Win32Process = ExAllocatePoolWithTag(NonPagedPool, sizeof(PROCESSINFO), USERTAG_PROCESSINFO);
 341
 342       if (Process->Win32Process == NULL)
 343         return STATUS_NO_MEMORY;
 344
 345       RtlZeroMemory(Process->Win32Process, sizeof(PROCESSINFO));
 346       /* FIXME - unlock the process */
 347
 348       Win32kProcessCallback(Process, TRUE);
 349     }
 350
 351   if (Thread->Tcb.Win32Thread == NULL)
 352     {
 353       Thread->Tcb.Win32Thread = ExAllocatePoolWithTag(NonPagedPool, sizeof(THREADINFO), USERTAG_THREADINFO);
 354       if (Thread->Tcb.Win32Thread == NULL)
 355         return STATUS_NO_MEMORY;
 356
 357       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 358
 359       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 360     }
 361
 362   return(STATUS_SUCCESS);
 363 }
 364
 365
 366 /*
 367  * This definition doesn't work
 368  */
 369 NTSTATUS APIENTRY
 370 DriverEntry (
 371   IN    PDRIVER_OBJECT  DriverObject,
 372   IN    PUNICODE_STRING RegistryPath)
 373 {
 374   NTSTATUS Status;
 375   BOOLEAN Result;
 376   WIN32_CALLOUTS_FPNS CalloutData = {0};
 377   PVOID GlobalUserHeapBase = NULL;
 378
 379   /*
 380    * Register user mode call interface
 381    * (system service table index = 1)
 382    */
 383   Result = KeAddSystemServiceTable (Win32kSSDT,
 384                                     NULL,
 385                                     Win32kNumberOfSysCalls,
 386                                     Win32kSSPT,
 387                                     1);
 388   if (Result == FALSE)
 389     {
 390       DPRINT1("Adding system services failed!\n");
 391       return STATUS_UNSUCCESSFUL;
 392     }
 393
 394   hModuleWin = MmPageEntireDriver(DriverEntry);
 395   DPRINT("Win32k hInstance 0x%x!\n",hModuleWin);
 396     /*
 397      * Register Object Manager Callbacks
 398      */
 399     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 400     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 401     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 402     CalloutData.ProcessCallout = Win32kProcessCallback;
 403     CalloutData.ThreadCallout = Win32kThreadCallback;
 404     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 405
 406     /*
 407      * Register our per-process and per-thread structures.
 408      */
 409     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 410
 411     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 412                                     &GlobalUserHeapBase,
 413                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 414     if (GlobalUserHeap == NULL)
 415     {
 416         DPRINT1("Failed to initialize the global heap!\n");
 417         return STATUS_UNSUCCESSFUL;
 418     }
 419
 420   /* Initialize a list of loaded drivers in Win32 subsystem */
 421   InitializeListHead(&GlobalDriverListHead);
 422
 423   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 424
 425   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 426   if (GdiHandleTable == NULL)
 427   {
 428       DPRINT1("Failed to initialize the GDI handle table.\n");
 429       return STATUS_UNSUCCESSFUL;
 430   }
 431
 432   Status = InitUserImpl();
 433   if (!NT_SUCCESS(Status))
 434   {
 435     DPRINT1("Failed to initialize user implementation!\n");
 436     return STATUS_UNSUCCESSFUL;
 437   }
 438
 439   Status = InitHotkeyImpl();
 440   if (!NT_SUCCESS(Status))
 441   {
 442     DPRINT1("Failed to initialize hotkey implementation!\n");
 443     return STATUS_UNSUCCESSFUL;
 444   }
 445
 446   Status = InitWindowStationImpl();
 447   if (!NT_SUCCESS(Status))
 448   {
 449     DPRINT1("Failed to initialize window station implementation!\n");
 450     return STATUS_UNSUCCESSFUL;
 451   }
 452
 453   Status = InitDesktopImpl();
 454   if (!NT_SUCCESS(Status))
 455   {
 456     DPRINT1("Failed to initialize desktop implementation!\n");
 457     return STATUS_UNSUCCESSFUL;
 458   }
 459
 460   Status = InitWindowImpl();
 461   if (!NT_SUCCESS(Status))
 462   {
 463     DPRINT1("Failed to initialize window implementation!\n");
 464     return STATUS_UNSUCCESSFUL;
 465   }
 466
 467   Status = InitMenuImpl();
 468   if (!NT_SUCCESS(Status))
 469   {
 470     DPRINT1("Failed to initialize menu implementation!\n");
 471     return STATUS_UNSUCCESSFUL;
 472   }
 473
 474   Status = InitInputImpl();
 475   if (!NT_SUCCESS(Status))
 476     {
 477       DPRINT1("Failed to initialize input implementation.\n");
 478       return(Status);
 479     }
 480
 481   Status = InitKeyboardImpl();
 482   if (!NT_SUCCESS(Status))
 483     {
 484       DPRINT1("Failed to initialize keyboard implementation.\n");
 485       return(Status);
 486     }
 487
 488   Status = InitMonitorImpl();
 489   if (!NT_SUCCESS(Status))
 490     {
 491       DbgPrint("Failed to initialize monitor implementation!\n");
 492       return STATUS_UNSUCCESSFUL;
 493     }
 494
 495   Status = MsqInitializeImpl();
 496   if (!NT_SUCCESS(Status))
 497     {
 498       DPRINT1("Failed to initialize message queue implementation.\n");
 499       return(Status);
 500     }
 501
 502   Status = InitTimerImpl();
 503   if (!NT_SUCCESS(Status))
 504     {
 505       DPRINT1("Failed to initialize timer implementation.\n");
 506       return(Status);
 507     }
 508
 509   Status = InitAcceleratorImpl();
 510   if (!NT_SUCCESS(Status))
 511     {
 512       DPRINT1("Failed to initialize accelerator implementation.\n");
 513       return(Status);
 514     }
 515
 516   Status = InitGuiCheckImpl();
 517   if (!NT_SUCCESS(Status))
 518     {
 519       DPRINT1("Failed to initialize GUI check implementation.\n");
 520       return(Status);
 521     }
 522
 523   Status = InitDcImpl();
 524   if (!NT_SUCCESS(Status))
 525   {
 526     DPRINT1("Failed to initialize Device context implementation!\n");
 527     return STATUS_UNSUCCESSFUL;
 528   }
 529
 530   /* Initialize FreeType library */
 531   if (! InitFontSupport())
 532     {
 533       DPRINT1("Unable to initialize font support\n");
 534       return STATUS_UNSUCCESSFUL;
 535     }
 536
 537   InitXlateImpl();
 538
 539   /* Create stock objects, ie. precreated objects commonly
 540      used by win32 applications */
 541   CreateStockObjects();
 542   CreateSysColorObjects();
 543
 544   gusLanguageID = IntGdiGetLanguageID();
 545
 546   return STATUS_SUCCESS;
 547 }
 548
 549 /* EOF */