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 <w32k.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 HANDLE GlobalUserHeap = NULL;
  38 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  39
  40 PSERVERINFO gpsi = NULL; // Global User Server Information.
  41
  42 HSEMAPHORE hsemDriverMgmt = NULL;
  43
  44 SHORT gusLanguageID;
  45
  46 extern ULONG_PTR Win32kSSDT[];
  47 extern UCHAR Win32kSSPT[];
  48 extern ULONG Win32kNumberOfSysCalls;
  49
  50 NTSTATUS
  51 APIENTRY
  52 Win32kProcessCallback(struct _EPROCESS *Process,
  53                       BOOLEAN Create)
  54 {
  55     PPROCESSINFO Win32Process;
  56     DECLARE_RETURN(NTSTATUS);
  57
  58     DPRINT("Enter Win32kProcessCallback\n");
  59     UserEnterExclusive();
  60
  61     /* Get the Win32 Process */
  62     Win32Process = PsGetProcessWin32Process(Process);
  63
  64     /* Allocate one if needed */
  65     if (!Win32Process)
  66     {
  67         /* FIXME - lock the process */
  68         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  69                                              sizeof(PROCESSINFO),
  70                                              'p23W');
  71
  72         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  73
  74         RtlZeroMemory(Win32Process, sizeof(PROCESSINFO));
  75
  76         PsSetProcessWin32Process(Process, Win32Process);
  77         /* FIXME - unlock the process */
  78     }
  79
  80   if (Create)
  81     {
  82       SIZE_T ViewSize = 0;
  83       LARGE_INTEGER Offset;
  84       PVOID UserBase = NULL;
  85       NTSTATUS Status;
  86       extern PSECTION_OBJECT GlobalUserHeapSection;
  87       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  88
  89       /* map the global heap into the process */
  90       Offset.QuadPart = 0;
  91       Status = MmMapViewOfSection(GlobalUserHeapSection,
  92                                   PsGetCurrentProcess(),
  93                                   &UserBase,
  94                                   0,
  95                                   0,
  96                                   &Offset,
  97                                   &ViewSize,
  98                                   ViewUnmap,
  99                                   SEC_NO_CHANGE,
 100                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 101       if (!NT_SUCCESS(Status))
 102       {
 103           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 104           RETURN(Status);
 105       }
 106       Win32Process->HeapMappings.Next = NULL;
 107       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 108       Win32Process->HeapMappings.UserMapping = UserBase;
 109       Win32Process->HeapMappings.Count = 1;
 110
 111       InitializeListHead(&Win32Process->ClassList);
 112
 113       InitializeListHead(&Win32Process->MenuListHead);
 114
 115       InitializeListHead(&Win32Process->GDIBrushAttrFreeList);
 116       InitializeListHead(&Win32Process->GDIDcAttrFreeList);
 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       Win32Process->peProcess = Process;
 134       /* setup process flags */
 135       Win32Process->W32PF_flags = 0;
 136     }
 137   else
 138     {
 139       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 140       IntCleanupMenus(Process, Win32Process);
 141       IntCleanupCurIcons(Process, Win32Process);
 142       CleanupMonitorImpl();
 143
 144       /* no process windows should exist at this point, or the function will assert! */
 145       DestroyProcessClasses(Win32Process);
 146
 147       GDI_CleanupForProcess(Process);
 148
 149       co_IntGraphicsCheck(FALSE);
 150
 151       /*
 152        * Deregister logon application automatically
 153        */
 154       if(LogonProcess == Win32Process)
 155       {
 156         LogonProcess = NULL;
 157       }
 158     }
 159
 160   RETURN( STATUS_SUCCESS);
 161
 162 CLEANUP:
 163   UserLeave();
 164   DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 165   END_CLEANUP;
 166 }
 167
 168
 169 NTSTATUS
 170 APIENTRY
 171 Win32kThreadCallback(struct _ETHREAD *Thread,
 172                      PSW32THREADCALLOUTTYPE Type)
 173 {
 174     struct _EPROCESS *Process;
 175     PTHREADINFO Win32Thread;
 176     DECLARE_RETURN(NTSTATUS);
 177
 178     DPRINT("Enter Win32kThreadCallback\n");
 179     UserEnterExclusive();
 180
 181     Process = Thread->ThreadsProcess;
 182
 183     /* Get the Win32 Thread */
 184     Win32Thread = PsGetThreadWin32Thread(Thread);
 185
 186     /* Allocate one if needed */
 187     if (!Win32Thread)
 188     {
 189         /* FIXME - lock the process */
 190         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 191                                             sizeof(THREADINFO),
 192                                             't23W');
 193
 194         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 195
 196         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 197
 198         PsSetThreadWin32Thread(Thread, Win32Thread);
 199         /* FIXME - unlock the process */
 200     }
 201   if (Type == PsW32ThreadCalloutInitialize)
 202     {
 203       HWINSTA hWinSta = NULL;
 204       PTEB pTeb;
 205       HDESK hDesk = NULL;
 206       NTSTATUS Status;
 207       PUNICODE_STRING DesktopPath;
 208       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 209
 210       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 211
 212       InitializeListHead(&Win32Thread->WindowListHead);
 213       InitializeListHead(&Win32Thread->W32CallbackListHead);
 214       InitializeListHead(&Win32Thread->PtiLink);
 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 DesktopObject;
 247           Win32Thread->rpdesk = 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->TIF_flags &= ~TIF_INCLEANUP;
 270       co_IntDestroyCaret(Win32Thread);
 271       Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 272       pTeb = NtCurrentTeb();
 273       if (pTeb)
 274       {
 275           Win32Thread->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
 276           Win32Thread->pClientInfo->pClientThreadInfo = NULL;
 277       }
 278       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 279       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 280       Win32Thread->pEThread = Thread;
 281     }
 282   else
 283     {
 284       PSINGLE_LIST_ENTRY e;
 285
 286       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 287
 288       Win32Thread->TIF_flags |= TIF_INCLEANUP;
 289       DceFreeThreadDCE(Win32Thread);
 290       HOOK_DestroyThreadHooks(Thread);
 291       UnregisterThreadHotKeys(Thread);
 292       /* what if this co_ func crash in umode? what will clean us up then? */
 293       co_DestroyThreadWindows(Thread);
 294       IntBlockInput(Win32Thread, FALSE);
 295       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 296       IntCleanupThreadCallbacks(Win32Thread);
 297
 298       /* cleanup user object references stack */
 299       e = PopEntryList(&Win32Thread->ReferencesList);
 300       while (e)
 301       {
 302          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 303          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 304          UserDereferenceObject(ref->obj);
 305
 306          e = PopEntryList(&Win32Thread->ReferencesList);
 307       }
 308
 309       IntSetThreadDesktop(NULL,
 310                           TRUE);
 311
 312       PsSetThreadWin32Thread(Thread, NULL);
 313     }
 314
 315   RETURN( STATUS_SUCCESS);
 316
 317 CLEANUP:
 318   UserLeave();
 319   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 320   END_CLEANUP;
 321 }
 322
 323 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 324    not called there anymore, please delete */
 325 NTSTATUS
 326 Win32kInitWin32Thread(PETHREAD Thread)
 327 {
 328   PEPROCESS Process;
 329
 330   Process = Thread->ThreadsProcess;
 331
 332   if (Process->Win32Process == NULL)
 333     {
 334       /* FIXME - lock the process */
 335       Process->Win32Process = ExAllocatePool(NonPagedPool, sizeof(PROCESSINFO));
 336
 337       if (Process->Win32Process == NULL)
 338         return STATUS_NO_MEMORY;
 339
 340       RtlZeroMemory(Process->Win32Process, sizeof(PROCESSINFO));
 341       /* FIXME - unlock the process */
 342
 343       Win32kProcessCallback(Process, TRUE);
 344     }
 345
 346   if (Thread->Tcb.Win32Thread == NULL)
 347     {
 348       Thread->Tcb.Win32Thread = ExAllocatePool (NonPagedPool, sizeof(THREADINFO));
 349       if (Thread->Tcb.Win32Thread == NULL)
 350         return STATUS_NO_MEMORY;
 351
 352       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 353
 354       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 355     }
 356
 357   return(STATUS_SUCCESS);
 358 }
 359
 360 C_ASSERT(sizeof(SERVERINFO) <= PAGE_SIZE);
 361
 362 /*
 363  * This definition doesn't work
 364  */
 365 NTSTATUS APIENTRY
 366 DriverEntry (
 367   IN    PDRIVER_OBJECT  DriverObject,
 368   IN    PUNICODE_STRING RegistryPath)
 369 {
 370   NTSTATUS Status;
 371   BOOLEAN Result;
 372   WIN32_CALLOUTS_FPNS CalloutData = {0};
 373   PVOID GlobalUserHeapBase = NULL;
 374
 375   /*
 376    * Register user mode call interface
 377    * (system service table index = 1)
 378    */
 379   Result = KeAddSystemServiceTable (Win32kSSDT,
 380                                     NULL,
 381                                     Win32kNumberOfSysCalls,
 382                                     Win32kSSPT,
 383                                     1);
 384   if (Result == FALSE)
 385     {
 386       DPRINT1("Adding system services failed!\n");
 387       return STATUS_UNSUCCESSFUL;
 388     }
 389
 390   hModuleWin = MmPageEntireDriver(DriverEntry);
 391   DPRINT("Win32k hInstance 0x%x!\n",hModuleWin);
 392     /*
 393      * Register Object Manager Callbacks
 394      */
 395     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 396     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 397     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 398     CalloutData.ProcessCallout = Win32kProcessCallback;
 399     CalloutData.ThreadCallout = Win32kThreadCallback;
 400     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 401
 402     /*
 403      * Register our per-process and per-thread structures.
 404      */
 405     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 406
 407     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 408                                     &GlobalUserHeapBase,
 409                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 410     if (GlobalUserHeap == NULL)
 411     {
 412         DPRINT1("Failed to initialize the global heap!\n");
 413         return STATUS_UNSUCCESSFUL;
 414     }
 415
 416    if (!gpsi)
 417    {
 418       gpsi = UserHeapAlloc(sizeof(SERVERINFO));
 419       if (gpsi)
 420       {
 421          RtlZeroMemory(gpsi, sizeof(SERVERINFO));
 422          DPRINT("Global Server Data -> %x\n", gpsi);
 423       }
 424       else
 425       {
 426           ASSERT(FALSE);
 427       }
 428    }
 429
 430   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 431
 432   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 433   if (GdiHandleTable == NULL)
 434   {
 435       DPRINT1("Failed to initialize the GDI handle table.\n");
 436       return STATUS_UNSUCCESSFUL;
 437   }
 438
 439   /* Create stock objects, ie. precreated objects commonly
 440      used by win32 applications */
 441   CreateStockObjects();
 442   CreateSysColorObjects();
 443
 444   InitXlateImpl();
 445   InitPDEVImpl();
 446   InitLDEVImpl();
 447   InitDeviceImpl();
 448
 449   Status = InitDcImpl();
 450   if (!NT_SUCCESS(Status))
 451   {
 452     DPRINT1("Failed to initialize Device context implementation!\n");
 453     return STATUS_UNSUCCESSFUL;
 454   }
 455
 456   Status = InitUserImpl();
 457   if (!NT_SUCCESS(Status))
 458   {
 459     DPRINT1("Failed to initialize user implementation!\n");
 460     return STATUS_UNSUCCESSFUL;
 461   }
 462
 463   Status = InitHotkeyImpl();
 464   if (!NT_SUCCESS(Status))
 465   {
 466     DPRINT1("Failed to initialize hotkey implementation!\n");
 467     return STATUS_UNSUCCESSFUL;
 468   }
 469
 470   Status = InitWindowStationImpl();
 471   if (!NT_SUCCESS(Status))
 472   {
 473     DPRINT1("Failed to initialize window station implementation!\n");
 474     return STATUS_UNSUCCESSFUL;
 475   }
 476
 477   Status = InitDesktopImpl();
 478   if (!NT_SUCCESS(Status))
 479   {
 480     DPRINT1("Failed to initialize desktop implementation!\n");
 481     return STATUS_UNSUCCESSFUL;
 482   }
 483
 484   Status = InitWindowImpl();
 485   if (!NT_SUCCESS(Status))
 486   {
 487     DPRINT1("Failed to initialize window implementation!\n");
 488     return STATUS_UNSUCCESSFUL;
 489   }
 490
 491   Status = InitMenuImpl();
 492   if (!NT_SUCCESS(Status))
 493   {
 494     DPRINT1("Failed to initialize menu implementation!\n");
 495     return STATUS_UNSUCCESSFUL;
 496   }
 497
 498   Status = InitInputImpl();
 499   if (!NT_SUCCESS(Status))
 500     {
 501       DPRINT1("Failed to initialize input implementation.\n");
 502       return(Status);
 503     }
 504
 505   Status = InitKeyboardImpl();
 506   if (!NT_SUCCESS(Status))
 507     {
 508       DPRINT1("Failed to initialize keyboard implementation.\n");
 509       return(Status);
 510     }
 511
 512   Status = InitMonitorImpl();
 513   if (!NT_SUCCESS(Status))
 514     {
 515       DbgPrint("Failed to initialize monitor implementation!\n");
 516       return STATUS_UNSUCCESSFUL;
 517     }
 518
 519   Status = MsqInitializeImpl();
 520   if (!NT_SUCCESS(Status))
 521     {
 522       DPRINT1("Failed to initialize message queue implementation.\n");
 523       return(Status);
 524     }
 525
 526   Status = InitTimerImpl();
 527   if (!NT_SUCCESS(Status))
 528     {
 529       DPRINT1("Failed to initialize timer implementation.\n");
 530       return(Status);
 531     }
 532
 533   Status = InitAcceleratorImpl();
 534   if (!NT_SUCCESS(Status))
 535     {
 536       DPRINT1("Failed to initialize accelerator implementation.\n");
 537       return(Status);
 538     }
 539
 540   Status = InitGuiCheckImpl();
 541   if (!NT_SUCCESS(Status))
 542     {
 543       DPRINT1("Failed to initialize GUI check implementation.\n");
 544       return(Status);
 545     }
 546
 547   /* Initialize FreeType library */
 548   if (! InitFontSupport())
 549     {
 550       DPRINT1("Unable to initialize font support\n");
 551       return STATUS_UNSUCCESSFUL;
 552     }
 553
 554   gusLanguageID = IntGdiGetLanguageID();
 555
 556   return STATUS_SUCCESS;
 557 }
 558
 559 /* EOF */