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 HANDLE hModuleWin;
  31
  32 PGDI_HANDLE_TABLE INTERNAL_CALL GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
  33 BOOL INTERNAL_CALL GDI_CleanupForProcess (struct _EPROCESS *Process);
  34 /* FIXME */
  35 PGDI_HANDLE_TABLE GdiHandleTable = NULL;
  36 PSECTION_OBJECT GdiTableSection = NULL;
  37
  38 LIST_ENTRY GlobalDriverListHead;
  39
  40 HANDLE GlobalUserHeap = NULL;
  41 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  42
  43 PSERVERINFO gpsi = NULL; // Global User Server Information.
  44
  45 HSEMAPHORE hsemDriverMgmt = NULL;
  46
  47 SHORT gusLanguageID;
  48
  49 extern ULONG_PTR Win32kSSDT[];
  50 extern UCHAR Win32kSSPT[];
  51 extern ULONG Win32kNumberOfSysCalls;
  52
  53 NTSTATUS
  54 APIENTRY
  55 Win32kProcessCallback(struct _EPROCESS *Process,
  56                       BOOLEAN Create)
  57 {
  58     PPROCESSINFO Win32Process;
  59     DECLARE_RETURN(NTSTATUS);
  60
  61     DPRINT("Enter Win32kProcessCallback\n");
  62     UserEnterExclusive();
  63
  64     /* Get the Win32 Process */
  65     Win32Process = PsGetProcessWin32Process(Process);
  66
  67     /* Allocate one if needed */
  68     if (!Win32Process)
  69     {
  70         /* FIXME - lock the process */
  71         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  72                                              sizeof(PROCESSINFO),
  73                                              'p23W');
  74
  75         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  76
  77         RtlZeroMemory(Win32Process, sizeof(PROCESSINFO));
  78
  79         PsSetProcessWin32Process(Process, Win32Process);
  80         /* FIXME - unlock the process */
  81     }
  82
  83   if (Create)
  84     {
  85       SIZE_T ViewSize = 0;
  86       LARGE_INTEGER Offset;
  87       PVOID UserBase = NULL;
  88       NTSTATUS Status;
  89       extern PSECTION_OBJECT GlobalUserHeapSection;
  90       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  91
  92       /* map the global heap into the process */
  93       Offset.QuadPart = 0;
  94       Status = MmMapViewOfSection(GlobalUserHeapSection,
  95                                   PsGetCurrentProcess(),
  96                                   &UserBase,
  97                                   0,
  98                                   0,
  99                                   &Offset,
 100                                   &ViewSize,
 101                                   ViewUnmap,
 102                                   SEC_NO_CHANGE,
 103                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 104       if (!NT_SUCCESS(Status))
 105       {
 106           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 107           RETURN(Status);
 108       }
 109       Win32Process->HeapMappings.Next = NULL;
 110       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 111       Win32Process->HeapMappings.UserMapping = UserBase;
 112       Win32Process->HeapMappings.Count = 1;
 113
 114       InitializeListHead(&Win32Process->ClassList);
 115
 116       InitializeListHead(&Win32Process->MenuListHead);
 117
 118       InitializeListHead(&Win32Process->PrivateFontListHead);
 119       ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
 120
 121       InitializeListHead(&Win32Process->DriverObjListHead);
 122       ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 123
 124       Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 125
 126       if(Process->Peb != NULL)
 127       {
 128         /* map the gdi handle table to user land */
 129         Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(GdiTableSection, Process);
 130         Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 131       }
 132
 133       /* setup process flags */
 134       Win32Process->W32PF_flags = 0;
 135     }
 136   else
 137     {
 138       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 139       IntCleanupMenus(Process, Win32Process);
 140       IntCleanupCurIcons(Process, Win32Process);
 141       CleanupMonitorImpl();
 142
 143       /* no process windows should exist at this point, or the function will assert! */
 144       DestroyProcessClasses(Win32Process);
 145
 146       GDI_CleanupForProcess(Process);
 147
 148       co_IntGraphicsCheck(FALSE);
 149
 150       /*
 151        * Deregister logon application automatically
 152        */
 153       if(LogonProcess == Win32Process)
 154       {
 155         LogonProcess = NULL;
 156       }
 157     }
 158
 159   RETURN( STATUS_SUCCESS);
 160
 161 CLEANUP:
 162   UserLeave();
 163   DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 164   END_CLEANUP;
 165 }
 166
 167
 168 NTSTATUS
 169 APIENTRY
 170 Win32kThreadCallback(struct _ETHREAD *Thread,
 171                      PSW32THREADCALLOUTTYPE Type)
 172 {
 173     struct _EPROCESS *Process;
 174     PTHREADINFO Win32Thread;
 175     DECLARE_RETURN(NTSTATUS);
 176
 177     DPRINT("Enter Win32kThreadCallback\n");
 178     UserEnterExclusive();
 179
 180     Process = Thread->ThreadsProcess;
 181
 182     /* Get the Win32 Thread */
 183     Win32Thread = PsGetThreadWin32Thread(Thread);
 184
 185     /* Allocate one if needed */
 186     if (!Win32Thread)
 187     {
 188         /* FIXME - lock the process */
 189         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 190                                             sizeof(THREADINFO),
 191                                             't23W');
 192
 193         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 194
 195         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 196
 197         PsSetThreadWin32Thread(Thread, Win32Thread);
 198         /* FIXME - unlock the process */
 199     }
 200   if (Type == PsW32ThreadCalloutInitialize)
 201     {
 202       HWINSTA hWinSta = NULL;
 203       PTEB pTeb;
 204       HDESK hDesk = NULL;
 205       NTSTATUS Status;
 206       PUNICODE_STRING DesktopPath;
 207       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 208
 209       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 210
 211       InitializeListHead(&Win32Thread->WindowListHead);
 212       InitializeListHead(&Win32Thread->W32CallbackListHead);
 213       InitializeListHead(&Win32Thread->PtiLink);
 214
 215       /*
 216        * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 217        * info structure. See documentation of CreateProcess()
 218        */
 219       DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 220       Status = IntParseDesktopPath(Process,
 221                                    DesktopPath,
 222                                    &hWinSta,
 223                                    &hDesk);
 224       if(NT_SUCCESS(Status))
 225       {
 226         if(hWinSta != NULL)
 227         {
 228           if(Process != CsrProcess)
 229           {
 230             HWINSTA hProcessWinSta = (HWINSTA)InterlockedCompareExchangePointer((PVOID)&Process->Win32WindowStation, (PVOID)hWinSta, NULL);
 231             if(hProcessWinSta != NULL)
 232             {
 233               /* our process is already assigned to a different window station, we don't need the handle anymore */
 234               NtClose(hWinSta);
 235             }
 236           }
 237           else
 238           {
 239             NtClose(hWinSta);
 240           }
 241         }
 242
 243         if (hDesk != NULL)
 244         {
 245           PDESKTOP DesktopObject;
 246           Win32Thread->Desktop = NULL;
 247           Status = ObReferenceObjectByHandle(hDesk,
 248                                              0,
 249                                              ExDesktopObjectType,
 250                                              KernelMode,
 251                                              (PVOID*)&DesktopObject,
 252                                              NULL);
 253           NtClose(hDesk);
 254           if(NT_SUCCESS(Status))
 255           {
 256             if (!IntSetThreadDesktop(DesktopObject,
 257                                      FALSE))
 258             {
 259               DPRINT1("Unable to set thread desktop\n");
 260             }
 261           }
 262           else
 263           {
 264             DPRINT1("Unable to reference thread desktop handle 0x%x\n", hDesk);
 265           }
 266         }
 267       }
 268       Win32Thread->IsExiting = FALSE;
 269       co_IntDestroyCaret(Win32Thread);
 270       Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 271       pTeb = NtCurrentTeb();
 272       if (pTeb)
 273       {
 274           Win32Thread->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
 275           Win32Thread->pClientInfo->pClientThreadInfo = NULL;
 276       }
 277       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 278       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 279       Win32Thread->pEThread = Thread;
 280     }
 281   else
 282     {
 283       PSINGLE_LIST_ENTRY e;
 284
 285       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 286
 287       Win32Thread->IsExiting = TRUE;
 288       HOOK_DestroyThreadHooks(Thread);
 289       UnregisterThreadHotKeys(Thread);
 290       /* what if this co_ func crash in umode? what will clean us up then? */
 291       co_DestroyThreadWindows(Thread);
 292       IntBlockInput(Win32Thread, FALSE);
 293       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 294       IntCleanupThreadCallbacks(Win32Thread);
 295
 296       /* cleanup user object references stack */
 297       e = PopEntryList(&Win32Thread->ReferencesList);
 298       while (e)
 299       {
 300          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 301          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 302          UserDereferenceObject(ref->obj);
 303
 304          e = PopEntryList(&Win32Thread->ReferencesList);
 305       }
 306
 307       IntSetThreadDesktop(NULL,
 308                           TRUE);
 309
 310       PsSetThreadWin32Thread(Thread, NULL);
 311     }
 312
 313   RETURN( STATUS_SUCCESS);
 314
 315 CLEANUP:
 316   UserLeave();
 317   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 318   END_CLEANUP;
 319 }
 320
 321 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 322    not called there anymore, please delete */
 323 NTSTATUS
 324 Win32kInitWin32Thread(PETHREAD Thread)
 325 {
 326   PEPROCESS Process;
 327
 328   Process = Thread->ThreadsProcess;
 329
 330   if (Process->Win32Process == NULL)
 331     {
 332       /* FIXME - lock the process */
 333       Process->Win32Process = ExAllocatePool(NonPagedPool, sizeof(PROCESSINFO));
 334
 335       if (Process->Win32Process == NULL)
 336         return STATUS_NO_MEMORY;
 337
 338       RtlZeroMemory(Process->Win32Process, sizeof(PROCESSINFO));
 339       /* FIXME - unlock the process */
 340
 341       Win32kProcessCallback(Process, TRUE);
 342     }
 343
 344   if (Thread->Tcb.Win32Thread == NULL)
 345     {
 346       Thread->Tcb.Win32Thread = ExAllocatePool (NonPagedPool, sizeof(THREADINFO));
 347       if (Thread->Tcb.Win32Thread == NULL)
 348         return STATUS_NO_MEMORY;
 349
 350       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 351
 352       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 353     }
 354
 355   return(STATUS_SUCCESS);
 356 }
 357
 358
 359 /*
 360  * This definition doesn't work
 361  */
 362 NTSTATUS APIENTRY
 363 DriverEntry (
 364   IN    PDRIVER_OBJECT  DriverObject,
 365   IN    PUNICODE_STRING RegistryPath)
 366 {
 367   NTSTATUS Status;
 368   BOOLEAN Result;
 369   WIN32_CALLOUTS_FPNS CalloutData = {0};
 370   PVOID GlobalUserHeapBase = NULL;
 371
 372   /*
 373    * Register user mode call interface
 374    * (system service table index = 1)
 375    */
 376   Result = KeAddSystemServiceTable (Win32kSSDT,
 377                                     NULL,
 378                                     Win32kNumberOfSysCalls,
 379                                     Win32kSSPT,
 380                                     1);
 381   if (Result == FALSE)
 382     {
 383       DPRINT1("Adding system services failed!\n");
 384       return STATUS_UNSUCCESSFUL;
 385     }
 386
 387   hModuleWin = MmPageEntireDriver(DriverEntry);
 388   DPRINT("Win32k hInstance 0x%x!\n",hModuleWin);
 389     /*
 390      * Register Object Manager Callbacks
 391      */
 392     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 393     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 394     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 395     CalloutData.ProcessCallout = Win32kProcessCallback;
 396     CalloutData.ThreadCallout = Win32kThreadCallback;
 397     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 398
 399     /*
 400      * Register our per-process and per-thread structures.
 401      */
 402     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 403
 404     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 405                                     &GlobalUserHeapBase,
 406                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 407     if (GlobalUserHeap == NULL)
 408     {
 409         DPRINT1("Failed to initialize the global heap!\n");
 410         return STATUS_UNSUCCESSFUL;
 411     }
 412
 413   /* Initialize a list of loaded drivers in Win32 subsystem */
 414   InitializeListHead(&GlobalDriverListHead);
 415
 416   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 417
 418   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 419   if (GdiHandleTable == NULL)
 420   {
 421       DPRINT1("Failed to initialize the GDI handle table.\n");
 422       return STATUS_UNSUCCESSFUL;
 423   }
 424
 425   Status = InitUserImpl();
 426   if (!NT_SUCCESS(Status))
 427   {
 428     DPRINT1("Failed to initialize user implementation!\n");
 429     return STATUS_UNSUCCESSFUL;
 430   }
 431
 432   Status = InitHotkeyImpl();
 433   if (!NT_SUCCESS(Status))
 434   {
 435     DPRINT1("Failed to initialize hotkey implementation!\n");
 436     return STATUS_UNSUCCESSFUL;
 437   }
 438
 439   Status = InitWindowStationImpl();
 440   if (!NT_SUCCESS(Status))
 441   {
 442     DPRINT1("Failed to initialize window station implementation!\n");
 443     return STATUS_UNSUCCESSFUL;
 444   }
 445
 446   Status = InitDesktopImpl();
 447   if (!NT_SUCCESS(Status))
 448   {
 449     DPRINT1("Failed to initialize desktop implementation!\n");
 450     return STATUS_UNSUCCESSFUL;
 451   }
 452
 453   Status = InitWindowImpl();
 454   if (!NT_SUCCESS(Status))
 455   {
 456     DPRINT1("Failed to initialize window implementation!\n");
 457     return STATUS_UNSUCCESSFUL;
 458   }
 459
 460   Status = InitMenuImpl();
 461   if (!NT_SUCCESS(Status))
 462   {
 463     DPRINT1("Failed to initialize menu implementation!\n");
 464     return STATUS_UNSUCCESSFUL;
 465   }
 466
 467   Status = InitInputImpl();
 468   if (!NT_SUCCESS(Status))
 469     {
 470       DPRINT1("Failed to initialize input implementation.\n");
 471       return(Status);
 472     }
 473
 474   Status = InitKeyboardImpl();
 475   if (!NT_SUCCESS(Status))
 476     {
 477       DPRINT1("Failed to initialize keyboard implementation.\n");
 478       return(Status);
 479     }
 480
 481   Status = InitMonitorImpl();
 482   if (!NT_SUCCESS(Status))
 483     {
 484       DbgPrint("Failed to initialize monitor implementation!\n");
 485       return STATUS_UNSUCCESSFUL;
 486     }
 487
 488   Status = MsqInitializeImpl();
 489   if (!NT_SUCCESS(Status))
 490     {
 491       DPRINT1("Failed to initialize message queue implementation.\n");
 492       return(Status);
 493     }
 494
 495   Status = InitTimerImpl();
 496   if (!NT_SUCCESS(Status))
 497     {
 498       DPRINT1("Failed to initialize timer implementation.\n");
 499       return(Status);
 500     }
 501
 502   Status = InitAcceleratorImpl();
 503   if (!NT_SUCCESS(Status))
 504     {
 505       DPRINT1("Failed to initialize accelerator implementation.\n");
 506       return(Status);
 507     }
 508
 509   Status = InitGuiCheckImpl();
 510   if (!NT_SUCCESS(Status))
 511     {
 512       DPRINT1("Failed to initialize GUI check implementation.\n");
 513       return(Status);
 514     }
 515
 516   Status = InitDcImpl();
 517   if (!NT_SUCCESS(Status))
 518   {
 519     DPRINT1("Failed to initialize Device context implementation!\n");
 520     return STATUS_UNSUCCESSFUL;
 521   }
 522
 523   /* Initialize FreeType library */
 524   if (! InitFontSupport())
 525     {
 526       DPRINT1("Unable to initialize font support\n");
 527       return STATUS_UNSUCCESSFUL;
 528     }
 529
 530   InitXlateImpl();
 531
 532   /* Create stock objects, ie. precreated objects commonly
 533      used by win32 applications */
 534   CreateStockObjects();
 535   CreateSysColorObjects();
 536
 537   gusLanguageID = IntGdiGetLanguageID();
 538
 539   return STATUS_SUCCESS;
 540 }
 541
 542 /* EOF */