win32ss/user/winsrv/consrv/conoutput.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Server DLL
   4  * FILE:            win32ss/user/winsrv/consrv/conoutput.c
   5  * PURPOSE:         General Console Output Functions
   6  * PROGRAMMERS:     Jeffrey Morlan
   7  *                  Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   8  */
   9
  10 /* INCLUDES *******************************************************************/
  11
  12 #include "consrv.h"
  13
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17 /* PUBLIC SERVER APIS *********************************************************/
  18
  19 NTSTATUS NTAPI
  20 ConDrvInvalidateBitMapRect(IN PCONSOLE Console,
  21                            IN PCONSOLE_SCREEN_BUFFER Buffer,
  22                            IN PSMALL_RECT Region);
  23 CSR_API(SrvInvalidateBitMapRect)
  24 {
  25     NTSTATUS Status;
  26     PCONSOLE_INVALIDATEDIBITS InvalidateDIBitsRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.InvalidateDIBitsRequest;
  27     PCONSOLE_SCREEN_BUFFER Buffer;
  28
  29     DPRINT("SrvInvalidateBitMapRect\n");
  30
  31     Status = ConSrvGetScreenBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
  32                                    InvalidateDIBitsRequest->OutputHandle,
  33                                    &Buffer, GENERIC_READ, TRUE);
  34     if (!NT_SUCCESS(Status)) return Status;
  35
  36     Status = ConDrvInvalidateBitMapRect(Buffer->Header.Console,
  37                                         Buffer,
  38                                         &InvalidateDIBitsRequest->Region);
  39
  40     ConSrvReleaseScreenBuffer(Buffer, TRUE);
  41     return Status;
  42 }
  43
  44 NTSTATUS NTAPI
  45 ConDrvSetConsolePalette(IN PCONSOLE Console,
  46                         // IN PGRAPHICS_SCREEN_BUFFER Buffer,
  47                         IN PCONSOLE_SCREEN_BUFFER Buffer,
  48                         IN HPALETTE PaletteHandle,
  49                         IN UINT PaletteUsage);
  50 CSR_API(SrvSetConsolePalette)
  51 {
  52     NTSTATUS Status;
  53     PCONSOLE_SETPALETTE SetPaletteRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetPaletteRequest;
  54     // PGRAPHICS_SCREEN_BUFFER Buffer;
  55     PCONSOLE_SCREEN_BUFFER Buffer;
  56
  57     DPRINT("SrvSetConsolePalette\n");
  58
  59     // NOTE: Tests show that this function is used only for graphics screen buffers
  60     // and otherwise it returns FALSE + sets last error to invalid handle.
  61     // I think it's ridiculous, because if you are in text mode, simulating
  62     // a change of VGA palette via DAC registers (done by a call to SetConsolePalette)
  63     // cannot be done... So I allow it in ReactOS !
  64     /*
  65     Status = ConSrvGetGraphicsBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
  66                                      SetPaletteRequest->OutputHandle,
  67                                      &Buffer, GENERIC_WRITE, TRUE);
  68     */
  69     Status = ConSrvGetScreenBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
  70                                    SetPaletteRequest->OutputHandle,
  71                                    &Buffer, GENERIC_WRITE, TRUE);
  72     if (!NT_SUCCESS(Status)) return Status;
  73
  74     /*
  75      * Make the palette handle public, so that it can be
  76      * used by other threads calling GDI functions on it.
  77      * Indeed, the palette handle comes from a console app
  78      * calling ourselves, running in CSRSS.
  79      */
  80     NtUserConsoleControl(ConsoleMakePalettePublic,
  81                          &SetPaletteRequest->PaletteHandle,
  82                          sizeof(SetPaletteRequest->PaletteHandle));
  83
  84     Status = ConDrvSetConsolePalette(Buffer->Header.Console,
  85                                      Buffer,
  86                                      SetPaletteRequest->PaletteHandle,
  87                                      SetPaletteRequest->Usage);
  88
  89     ConSrvReleaseScreenBuffer(Buffer, TRUE);
  90     return Status;
  91 }
  92
  93 NTSTATUS NTAPI
  94 ConDrvGetConsoleCursorInfo(IN PCONSOLE Console,
  95                            IN PTEXTMODE_SCREEN_BUFFER Buffer,
  96                            OUT PCONSOLE_CURSOR_INFO CursorInfo);
  97 CSR_API(SrvGetConsoleCursorInfo)
  98 {
  99     NTSTATUS Status;
 100     PCONSOLE_GETSETCURSORINFO CursorInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.CursorInfoRequest;
 101     PTEXTMODE_SCREEN_BUFFER Buffer;
 102
 103     DPRINT("SrvGetConsoleCursorInfo\n");
 104
 105     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 106                                      CursorInfoRequest->OutputHandle,
 107                                      &Buffer, GENERIC_READ, TRUE);
 108     if (!NT_SUCCESS(Status)) return Status;
 109
 110     Status = ConDrvGetConsoleCursorInfo(Buffer->Header.Console,
 111                                         Buffer,
 112                                         &CursorInfoRequest->Info);
 113
 114     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 115     return Status;
 116 }
 117
 118 NTSTATUS NTAPI
 119 ConDrvSetConsoleCursorInfo(IN PCONSOLE Console,
 120                            IN PTEXTMODE_SCREEN_BUFFER Buffer,
 121                            IN PCONSOLE_CURSOR_INFO CursorInfo);
 122 CSR_API(SrvSetConsoleCursorInfo)
 123 {
 124     NTSTATUS Status;
 125     PCONSOLE_GETSETCURSORINFO CursorInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.CursorInfoRequest;
 126     PTEXTMODE_SCREEN_BUFFER Buffer;
 127
 128     DPRINT("SrvSetConsoleCursorInfo\n");
 129
 130     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 131                                      CursorInfoRequest->OutputHandle,
 132                                      &Buffer, GENERIC_WRITE, TRUE);
 133     if (!NT_SUCCESS(Status)) return Status;
 134
 135     Status = ConDrvSetConsoleCursorInfo(Buffer->Header.Console,
 136                                         Buffer,
 137                                         &CursorInfoRequest->Info);
 138
 139     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 140     return Status;
 141 }
 142
 143 NTSTATUS NTAPI
 144 ConDrvSetConsoleCursorPosition(IN PCONSOLE Console,
 145                                IN PTEXTMODE_SCREEN_BUFFER Buffer,
 146                                IN PCOORD Position);
 147 CSR_API(SrvSetConsoleCursorPosition)
 148 {
 149     NTSTATUS Status;
 150     PCONSOLE_SETCURSORPOSITION SetCursorPositionRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetCursorPositionRequest;
 151     PTEXTMODE_SCREEN_BUFFER Buffer;
 152
 153     DPRINT("SrvSetConsoleCursorPosition\n");
 154
 155     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 156                                      SetCursorPositionRequest->OutputHandle,
 157                                      &Buffer, GENERIC_WRITE, TRUE);
 158     if (!NT_SUCCESS(Status)) return Status;
 159
 160     Status = ConDrvSetConsoleCursorPosition(Buffer->Header.Console,
 161                                             Buffer,
 162                                             &SetCursorPositionRequest->Position);
 163
 164     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 165     return Status;
 166 }
 167
 168 CSR_API(SrvCreateConsoleScreenBuffer)
 169 {
 170     NTSTATUS Status = STATUS_INVALID_PARAMETER;
 171     PCONSOLE_CREATESCREENBUFFER CreateScreenBufferRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.CreateScreenBufferRequest;
 172     PCONSOLE_PROCESS_DATA ProcessData = ConsoleGetPerProcessData(CsrGetClientThread()->Process);
 173     PCONSOLE Console;
 174     PCONSOLE_SCREEN_BUFFER Buff;
 175
 176     PVOID ScreenBufferInfo = NULL;
 177     TEXTMODE_BUFFER_INFO TextModeInfo = {{80, 25},
 178                                          DEFAULT_SCREEN_ATTRIB,
 179                                          DEFAULT_POPUP_ATTRIB ,
 180                                          TRUE,
 181                                          CSR_DEFAULT_CURSOR_SIZE};
 182     GRAPHICS_BUFFER_INFO GraphicsInfo;
 183     GraphicsInfo.Info = CreateScreenBufferRequest->GraphicsBufferInfo; // HACK for MSVC
 184
 185     DPRINT("SrvCreateConsoleScreenBuffer\n");
 186
 187     Status = ConSrvGetConsole(ProcessData, &Console, TRUE);
 188     if (!NT_SUCCESS(Status)) return Status;
 189
 190     if (CreateScreenBufferRequest->ScreenBufferType == CONSOLE_TEXTMODE_BUFFER)
 191     {
 192         ScreenBufferInfo = &TextModeInfo;
 193
 194         /*
 195         if (Console->ActiveBuffer)
 196         {
 197             TextModeInfo.ScreenBufferSize = Console->ActiveBuffer->ScreenBufferSize;
 198             if (TextModeInfo.ScreenBufferSize.X == 0) TextModeInfo.ScreenBufferSize.X = 80;
 199             if (TextModeInfo.ScreenBufferSize.Y == 0) TextModeInfo.ScreenBufferSize.Y = 25;
 200
 201             TextModeInfo.ScreenAttrib = Console->ActiveBuffer->ScreenBuffer.TextBuffer.ScreenDefaultAttrib;
 202             TextModeInfo.PopupAttrib  = Console->ActiveBuffer->ScreenBuffer.TextBuffer.PopupDefaultAttrib;
 203
 204             TextModeInfo.IsCursorVisible = Console->ActiveBuffer->CursorInfo.bVisible;
 205             TextModeInfo.CursorSize      = Console->ActiveBuffer->CursorInfo.dwSize;
 206         }
 207         */
 208
 209         /*
 210          * This is Windows' behaviour
 211          */
 212
 213         /* Use the current console size. Regularize it if needed. */
 214         TextModeInfo.ScreenBufferSize = Console->ConsoleSize;
 215         if (TextModeInfo.ScreenBufferSize.X == 0) TextModeInfo.ScreenBufferSize.X = 1;
 216         if (TextModeInfo.ScreenBufferSize.Y == 0) TextModeInfo.ScreenBufferSize.Y = 1;
 217
 218         /* If we have an active screen buffer, use its attributes as the new ones */
 219         if (Console->ActiveBuffer && GetType(Console->ActiveBuffer) == TEXTMODE_BUFFER)
 220         {
 221             PTEXTMODE_SCREEN_BUFFER Buffer = (PTEXTMODE_SCREEN_BUFFER)Console->ActiveBuffer;
 222
 223             TextModeInfo.ScreenAttrib = Buffer->ScreenDefaultAttrib;
 224             TextModeInfo.PopupAttrib  = Buffer->PopupDefaultAttrib;
 225
 226             TextModeInfo.IsCursorVisible = Buffer->CursorInfo.bVisible;
 227             TextModeInfo.CursorSize      = Buffer->CursorInfo.dwSize;
 228         }
 229     }
 230     else if (CreateScreenBufferRequest->ScreenBufferType == CONSOLE_GRAPHICS_BUFFER)
 231     {
 232         /* Get infos from the graphics buffer information structure */
 233         if (!CsrValidateMessageBuffer(ApiMessage,
 234                                       (PVOID*)&CreateScreenBufferRequest->GraphicsBufferInfo.lpBitMapInfo,
 235                                       CreateScreenBufferRequest->GraphicsBufferInfo.dwBitMapInfoLength,
 236                                       sizeof(BYTE)))
 237         {
 238             Status = STATUS_INVALID_PARAMETER;
 239             goto Quit;
 240         }
 241
 242         ScreenBufferInfo = &GraphicsInfo;
 243
 244         /* Initialize shared variables */
 245         // CreateScreenBufferRequest->GraphicsBufferInfo.hMutex
 246         CreateScreenBufferRequest->hMutex   = GraphicsInfo.Info.hMutex   = INVALID_HANDLE_VALUE;
 247         // CreateScreenBufferRequest->GraphicsBufferInfo.lpBitMap
 248         CreateScreenBufferRequest->lpBitMap = GraphicsInfo.Info.lpBitMap = NULL;
 249
 250         /* A graphics screen buffer is never inheritable */
 251         CreateScreenBufferRequest->InheritHandle = FALSE;
 252     }
 253
 254     Status = ConDrvCreateScreenBuffer(&Buff,
 255                                       Console,
 256                                       CreateScreenBufferRequest->ScreenBufferType,
 257                                       ScreenBufferInfo);
 258     if (!NT_SUCCESS(Status)) goto Quit;
 259
 260     /* Insert the new handle inside the process handles table */
 261     RtlEnterCriticalSection(&ProcessData->HandleTableLock);
 262
 263     Status = ConSrvInsertObject(ProcessData,
 264                                 &CreateScreenBufferRequest->OutputHandle,
 265                                 &Buff->Header,
 266                                 CreateScreenBufferRequest->DesiredAccess,
 267                                 CreateScreenBufferRequest->InheritHandle,
 268                                 CreateScreenBufferRequest->ShareMode);
 269
 270     RtlLeaveCriticalSection(&ProcessData->HandleTableLock);
 271
 272     if (!NT_SUCCESS(Status)) goto Quit;
 273
 274     if (CreateScreenBufferRequest->ScreenBufferType == CONSOLE_GRAPHICS_BUFFER)
 275     {
 276         PGRAPHICS_SCREEN_BUFFER Buffer = (PGRAPHICS_SCREEN_BUFFER)Buff;
 277         /*
 278          * Initialize the graphics buffer information structure
 279          * and give it back to the client.
 280          */
 281         // CreateScreenBufferRequest->GraphicsBufferInfo.hMutex
 282         CreateScreenBufferRequest->hMutex   = Buffer->ClientMutex;
 283         // CreateScreenBufferRequest->GraphicsBufferInfo.lpBitMap
 284         CreateScreenBufferRequest->lpBitMap = Buffer->ClientBitMap;
 285     }
 286
 287 Quit:
 288     ConSrvReleaseConsole(Console, TRUE);
 289     return Status;
 290 }
 291
 292 NTSTATUS NTAPI
 293 ConDrvSetConsoleActiveScreenBuffer(IN PCONSOLE Console,
 294                                    IN PCONSOLE_SCREEN_BUFFER Buffer);
 295 CSR_API(SrvSetConsoleActiveScreenBuffer)
 296 {
 297     NTSTATUS Status;
 298     PCONSOLE_SETACTIVESCREENBUFFER SetScreenBufferRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetScreenBufferRequest;
 299     PCONSOLE_SCREEN_BUFFER Buffer;
 300
 301     DPRINT("SrvSetConsoleActiveScreenBuffer\n");
 302
 303     Status = ConSrvGetScreenBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 304                                    SetScreenBufferRequest->OutputHandle,
 305                                    &Buffer, GENERIC_WRITE, TRUE);
 306     if (!NT_SUCCESS(Status)) return Status;
 307
 308     Status = ConDrvSetConsoleActiveScreenBuffer(Buffer->Header.Console,
 309                                                 Buffer);
 310
 311     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 312     return Status;
 313 }
 314
 315
 316 /* CSR THREADS FOR WriteConsole ***********************************************/
 317
 318 static NTSTATUS
 319 DoWriteConsole(IN PCSR_API_MESSAGE ApiMessage,
 320                IN PCSR_THREAD ClientThread,
 321                IN BOOLEAN CreateWaitBlock OPTIONAL);
 322
 323 // Wait function CSR_WAIT_FUNCTION
 324 static BOOLEAN
 325 NTAPI
 326 WriteConsoleThread(IN PLIST_ENTRY WaitList,
 327                    IN PCSR_THREAD WaitThread,
 328                    IN PCSR_API_MESSAGE WaitApiMessage,
 329                    IN PVOID WaitContext,
 330                    IN PVOID WaitArgument1,
 331                    IN PVOID WaitArgument2,
 332                    IN ULONG WaitFlags)
 333 {
 334     NTSTATUS Status;
 335
 336     DPRINT("WriteConsoleThread - WaitContext = 0x%p, WaitArgument1 = 0x%p, WaitArgument2 = 0x%p, WaitFlags = %lu\n", WaitContext, WaitArgument1, WaitArgument2, WaitFlags);
 337
 338     /*
 339      * If we are notified of the process termination via a call
 340      * to CsrNotifyWaitBlock triggered by CsrDestroyProcess or
 341      * CsrDestroyThread, just return.
 342      */
 343     if (WaitFlags & CsrProcessTerminating)
 344     {
 345         Status = STATUS_THREAD_IS_TERMINATING;
 346         goto Quit;
 347     }
 348
 349     Status = DoWriteConsole(WaitApiMessage, WaitThread, FALSE);
 350
 351 Quit:
 352     if (Status != STATUS_PENDING)
 353     {
 354         WaitApiMessage->Status = Status;
 355     }
 356
 357     return (Status == STATUS_PENDING ? FALSE : TRUE);
 358 }
 359
 360 NTSTATUS NTAPI
 361 ConDrvWriteConsole(IN PCONSOLE Console,
 362                    IN PTEXTMODE_SCREEN_BUFFER ScreenBuffer,
 363                    IN BOOLEAN Unicode,
 364                    IN PVOID StringBuffer,
 365                    IN ULONG NumCharsToWrite,
 366                    OUT PULONG NumCharsWritten OPTIONAL);
 367 static NTSTATUS
 368 DoWriteConsole(IN PCSR_API_MESSAGE ApiMessage,
 369                IN PCSR_THREAD ClientThread,
 370                IN BOOLEAN CreateWaitBlock OPTIONAL)
 371 {
 372     NTSTATUS Status;
 373     PCONSOLE_WRITECONSOLE WriteConsoleRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.WriteConsoleRequest;
 374     PTEXTMODE_SCREEN_BUFFER ScreenBuffer;
 375
 376     PVOID Buffer;
 377     ULONG NrCharactersWritten = 0;
 378     ULONG CharSize = (WriteConsoleRequest->Unicode ? sizeof(WCHAR) : sizeof(CHAR));
 379
 380     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(ClientThread->Process),
 381                                      WriteConsoleRequest->OutputHandle,
 382                                      &ScreenBuffer, GENERIC_WRITE, FALSE);
 383     if (!NT_SUCCESS(Status)) return Status;
 384
 385     /*
 386      * For optimization purposes, Windows (and hence ReactOS, too, for
 387      * compatibility reasons) uses a static buffer if no more than eighty
 388      * bytes are written. Otherwise a new buffer is used.
 389      * The client-side expects that we know this behaviour.
 390      */
 391     if (WriteConsoleRequest->UsingStaticBuffer &&
 392         WriteConsoleRequest->NumBytes <= sizeof(WriteConsoleRequest->StaticBuffer))
 393     {
 394         /*
 395          * Adjust the internal pointer, because its old value points to
 396          * the static buffer in the original ApiMessage structure.
 397          */
 398         // WriteConsoleRequest->Buffer = WriteConsoleRequest->StaticBuffer;
 399         Buffer = WriteConsoleRequest->StaticBuffer;
 400     }
 401     else
 402     {
 403         Buffer = WriteConsoleRequest->Buffer;
 404     }
 405
 406     DPRINT("Calling ConDrvWriteConsole\n");
 407     Status = ConDrvWriteConsole(ScreenBuffer->Header.Console,
 408                                 ScreenBuffer,
 409                                 WriteConsoleRequest->Unicode,
 410                                 Buffer,
 411                                 WriteConsoleRequest->NumBytes / CharSize, // NrCharactersToWrite
 412                                 &NrCharactersWritten);
 413     DPRINT("ConDrvWriteConsole returned (%d ; Status = 0x%08x)\n",
 414            NrCharactersWritten, Status);
 415
 416     if (Status == STATUS_PENDING)
 417     {
 418         if (CreateWaitBlock)
 419         {
 420             if (!CsrCreateWait(&ScreenBuffer->Header.Console->WriteWaitQueue,
 421                                WriteConsoleThread,
 422                                ClientThread,
 423                                ApiMessage,
 424                                NULL))
 425             {
 426                 /* Fail */
 427                 Status = STATUS_NO_MEMORY;
 428                 goto Quit;
 429             }
 430         }
 431
 432         /* Wait until we un-pause the console */
 433         // Status = STATUS_PENDING;
 434     }
 435     else
 436     {
 437         /* We read all what we wanted. Set the number of bytes written. */
 438         WriteConsoleRequest->NumBytes = NrCharactersWritten * CharSize;
 439     }
 440
 441 Quit:
 442     ConSrvReleaseScreenBuffer(ScreenBuffer, FALSE);
 443     return Status;
 444 }
 445
 446
 447 /* TEXT OUTPUT APIS ***********************************************************/
 448
 449 NTSTATUS NTAPI
 450 ConDrvReadConsoleOutput(IN PCONSOLE Console,
 451                         IN PTEXTMODE_SCREEN_BUFFER Buffer,
 452                         IN BOOLEAN Unicode,
 453                         OUT PCHAR_INFO CharInfo/*Buffer*/,
 454                         IN OUT PSMALL_RECT ReadRegion);
 455 CSR_API(SrvReadConsoleOutput)
 456 {
 457     NTSTATUS Status;
 458     PCONSOLE_READOUTPUT ReadOutputRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.ReadOutputRequest;
 459     PTEXTMODE_SCREEN_BUFFER Buffer;
 460
 461     ULONG NumCells;
 462     PCHAR_INFO CharInfo;
 463
 464     DPRINT("SrvReadConsoleOutput\n");
 465
 466     /*
 467      * For optimization purposes, Windows (and hence ReactOS, too, for
 468      * compatibility reasons) uses a static buffer if no more than one
 469      * cell is read. Otherwise a new buffer is used.
 470      * The client-side expects that we know this behaviour.
 471      */
 472     NumCells = (ReadOutputRequest->ReadRegion.Right - ReadOutputRequest->ReadRegion.Left + 1) *
 473                (ReadOutputRequest->ReadRegion.Bottom - ReadOutputRequest->ReadRegion.Top + 1);
 474
 475     if (NumCells <= 1)
 476     {
 477         /*
 478          * Adjust the internal pointer, because its old value points to
 479          * the static buffer in the original ApiMessage structure.
 480          */
 481         // ReadOutputRequest->CharInfo = &ReadOutputRequest->StaticBuffer;
 482         CharInfo = &ReadOutputRequest->StaticBuffer;
 483     }
 484     else
 485     {
 486         if (!CsrValidateMessageBuffer(ApiMessage,
 487                                       (PVOID*)&ReadOutputRequest->CharInfo,
 488                                       NumCells,
 489                                       sizeof(CHAR_INFO)))
 490         {
 491             return STATUS_INVALID_PARAMETER;
 492         }
 493
 494         CharInfo = ReadOutputRequest->CharInfo;
 495     }
 496
 497     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 498                                      ReadOutputRequest->OutputHandle,
 499                                      &Buffer, GENERIC_READ, TRUE);
 500     if (!NT_SUCCESS(Status)) return Status;
 501
 502     Status = ConDrvReadConsoleOutput(Buffer->Header.Console,
 503                                      Buffer,
 504                                      ReadOutputRequest->Unicode,
 505                                      CharInfo,
 506                                      &ReadOutputRequest->ReadRegion);
 507
 508     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 509     return Status;
 510 }
 511
 512 NTSTATUS NTAPI
 513 ConDrvWriteConsoleOutput(IN PCONSOLE Console,
 514                          IN PTEXTMODE_SCREEN_BUFFER Buffer,
 515                          IN BOOLEAN Unicode,
 516                          IN PCHAR_INFO CharInfo/*Buffer*/,
 517                          IN OUT PSMALL_RECT WriteRegion);
 518 CSR_API(SrvWriteConsoleOutput)
 519 {
 520     NTSTATUS Status;
 521     PCONSOLE_WRITEOUTPUT WriteOutputRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.WriteOutputRequest;
 522     PTEXTMODE_SCREEN_BUFFER Buffer;
 523
 524     ULONG NumCells;
 525     PCHAR_INFO CharInfo;
 526
 527     DPRINT("SrvWriteConsoleOutput\n");
 528
 529     /*
 530      * For optimization purposes, Windows (and hence ReactOS, too, for
 531      * compatibility reasons) uses a static buffer if no more than one
 532      * cell is written. Otherwise a new buffer is used.
 533      * The client-side expects that we know this behaviour.
 534      */
 535     NumCells = (WriteOutputRequest->WriteRegion.Right - WriteOutputRequest->WriteRegion.Left + 1) *
 536                (WriteOutputRequest->WriteRegion.Bottom - WriteOutputRequest->WriteRegion.Top + 1);
 537
 538     if (NumCells <= 1)
 539     {
 540         /*
 541          * Adjust the internal pointer, because its old value points to
 542          * the static buffer in the original ApiMessage structure.
 543          */
 544         // WriteOutputRequest->CharInfo = &WriteOutputRequest->StaticBuffer;
 545         CharInfo = &WriteOutputRequest->StaticBuffer;
 546     }
 547     else
 548     {
 549         if (!CsrValidateMessageBuffer(ApiMessage,
 550                                       (PVOID*)&WriteOutputRequest->CharInfo,
 551                                       NumCells,
 552                                       sizeof(CHAR_INFO)))
 553         {
 554             return STATUS_INVALID_PARAMETER;
 555         }
 556
 557         CharInfo = WriteOutputRequest->CharInfo;
 558     }
 559
 560     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 561                                      WriteOutputRequest->OutputHandle,
 562                                      &Buffer, GENERIC_WRITE, TRUE);
 563     if (!NT_SUCCESS(Status)) return Status;
 564
 565     Status = ConDrvWriteConsoleOutput(Buffer->Header.Console,
 566                                       Buffer,
 567                                       WriteOutputRequest->Unicode,
 568                                       CharInfo,
 569                                       &WriteOutputRequest->WriteRegion);
 570
 571     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 572     return Status;
 573 }
 574
 575 CSR_API(SrvWriteConsole)
 576 {
 577     NTSTATUS Status;
 578     PCONSOLE_WRITECONSOLE WriteConsoleRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.WriteConsoleRequest;
 579
 580     DPRINT("SrvWriteConsole\n");
 581
 582     /*
 583      * For optimization purposes, Windows (and hence ReactOS, too, for
 584      * compatibility reasons) uses a static buffer if no more than eighty
 585      * bytes are written. Otherwise a new buffer is used.
 586      * The client-side expects that we know this behaviour.
 587      */
 588     if (WriteConsoleRequest->UsingStaticBuffer &&
 589         WriteConsoleRequest->NumBytes <= sizeof(WriteConsoleRequest->StaticBuffer))
 590     {
 591         /*
 592          * Adjust the internal pointer, because its old value points to
 593          * the static buffer in the original ApiMessage structure.
 594          */
 595         // WriteConsoleRequest->Buffer = WriteConsoleRequest->StaticBuffer;
 596     }
 597     else
 598     {
 599         if (!CsrValidateMessageBuffer(ApiMessage,
 600                                       (PVOID)&WriteConsoleRequest->Buffer,
 601                                       WriteConsoleRequest->NumBytes,
 602                                       sizeof(BYTE)))
 603         {
 604             return STATUS_INVALID_PARAMETER;
 605         }
 606     }
 607
 608     Status = DoWriteConsole(ApiMessage, CsrGetClientThread(), TRUE);
 609
 610     if (Status == STATUS_PENDING) *ReplyCode = CsrReplyPending;
 611
 612     return Status;
 613 }
 614
 615 NTSTATUS NTAPI
 616 ConDrvReadConsoleOutputString(IN PCONSOLE Console,
 617                               IN PTEXTMODE_SCREEN_BUFFER Buffer,
 618                               IN CODE_TYPE CodeType,
 619                               OUT PVOID StringBuffer,
 620                               IN ULONG NumCodesToRead,
 621                               IN PCOORD ReadCoord,
 622                               // OUT PCOORD EndCoord,
 623                               OUT PULONG NumCodesRead OPTIONAL);
 624 CSR_API(SrvReadConsoleOutputString)
 625 {
 626     NTSTATUS Status;
 627     PCONSOLE_READOUTPUTCODE ReadOutputCodeRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.ReadOutputCodeRequest;
 628     PTEXTMODE_SCREEN_BUFFER Buffer;
 629     ULONG CodeSize;
 630
 631     PVOID pCode;
 632
 633     DPRINT("SrvReadConsoleOutputString\n");
 634
 635     switch (ReadOutputCodeRequest->CodeType)
 636     {
 637         case CODE_ASCII:
 638             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, AsciiChar);
 639             break;
 640
 641         case CODE_UNICODE:
 642             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, UnicodeChar);
 643             break;
 644
 645         case CODE_ATTRIBUTE:
 646             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, Attribute);
 647             break;
 648
 649         default:
 650             return STATUS_INVALID_PARAMETER;
 651     }
 652
 653     /*
 654      * For optimization purposes, Windows (and hence ReactOS, too, for
 655      * compatibility reasons) uses a static buffer if no more than eighty
 656      * bytes are read. Otherwise a new buffer is used.
 657      * The client-side expects that we know this behaviour.
 658      */
 659     if (ReadOutputCodeRequest->NumCodes * CodeSize <= sizeof(ReadOutputCodeRequest->CodeStaticBuffer))
 660     {
 661         /*
 662          * Adjust the internal pointer, because its old value points to
 663          * the static buffer in the original ApiMessage structure.
 664          */
 665         // ReadOutputCodeRequest->pCode = ReadOutputCodeRequest->CodeStaticBuffer;
 666         pCode = ReadOutputCodeRequest->CodeStaticBuffer;
 667     }
 668     else
 669     {
 670         if (!CsrValidateMessageBuffer(ApiMessage,
 671                                       (PVOID*)&ReadOutputCodeRequest->pCode,
 672                                       ReadOutputCodeRequest->NumCodes,
 673                                       CodeSize))
 674         {
 675             return STATUS_INVALID_PARAMETER;
 676         }
 677
 678         pCode = ReadOutputCodeRequest->pCode;
 679     }
 680
 681     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 682                                      ReadOutputCodeRequest->OutputHandle,
 683                                      &Buffer, GENERIC_READ, TRUE);
 684     if (!NT_SUCCESS(Status))
 685     {
 686         ReadOutputCodeRequest->NumCodes = 0;
 687         return Status;
 688     }
 689
 690     Status = ConDrvReadConsoleOutputString(Buffer->Header.Console,
 691                                            Buffer,
 692                                            ReadOutputCodeRequest->CodeType,
 693                                            pCode,
 694                                            ReadOutputCodeRequest->NumCodes,
 695                                            &ReadOutputCodeRequest->Coord,
 696                                            // &ReadOutputCodeRequest->EndCoord,
 697                                            &ReadOutputCodeRequest->NumCodes);
 698
 699     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 700     return Status;
 701 }
 702
 703 NTSTATUS NTAPI
 704 ConDrvWriteConsoleOutputString(IN PCONSOLE Console,
 705                                IN PTEXTMODE_SCREEN_BUFFER Buffer,
 706                                IN CODE_TYPE CodeType,
 707                                IN PVOID StringBuffer,
 708                                IN ULONG NumCodesToWrite,
 709                                IN PCOORD WriteCoord,
 710                                // OUT PCOORD EndCoord,
 711                                OUT PULONG NumCodesWritten OPTIONAL);
 712 CSR_API(SrvWriteConsoleOutputString)
 713 {
 714     NTSTATUS Status;
 715     PCONSOLE_WRITEOUTPUTCODE WriteOutputCodeRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.WriteOutputCodeRequest;
 716     PTEXTMODE_SCREEN_BUFFER Buffer;
 717     ULONG CodeSize;
 718
 719     PVOID pCode;
 720
 721     DPRINT("SrvWriteConsoleOutputString\n");
 722
 723     switch (WriteOutputCodeRequest->CodeType)
 724     {
 725         case CODE_ASCII:
 726             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, AsciiChar);
 727             break;
 728
 729         case CODE_UNICODE:
 730             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, UnicodeChar);
 731             break;
 732
 733         case CODE_ATTRIBUTE:
 734             CodeSize = RTL_FIELD_SIZE(CODE_ELEMENT, Attribute);
 735             break;
 736
 737         default:
 738             return STATUS_INVALID_PARAMETER;
 739     }
 740
 741     /*
 742      * For optimization purposes, Windows (and hence ReactOS, too, for
 743      * compatibility reasons) uses a static buffer if no more than eighty
 744      * bytes are written. Otherwise a new buffer is used.
 745      * The client-side expects that we know this behaviour.
 746      */
 747     if (WriteOutputCodeRequest->NumCodes * CodeSize <= sizeof(WriteOutputCodeRequest->CodeStaticBuffer))
 748     {
 749         /*
 750          * Adjust the internal pointer, because its old value points to
 751          * the static buffer in the original ApiMessage structure.
 752          */
 753         // WriteOutputCodeRequest->pCode = WriteOutputCodeRequest->CodeStaticBuffer;
 754         pCode = WriteOutputCodeRequest->CodeStaticBuffer;
 755     }
 756     else
 757     {
 758         if (!CsrValidateMessageBuffer(ApiMessage,
 759                                       (PVOID*)&WriteOutputCodeRequest->pCode,
 760                                       WriteOutputCodeRequest->NumCodes,
 761                                       CodeSize))
 762         {
 763             return STATUS_INVALID_PARAMETER;
 764         }
 765
 766         pCode = WriteOutputCodeRequest->pCode;
 767     }
 768
 769     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 770                                      WriteOutputCodeRequest->OutputHandle,
 771                                      &Buffer, GENERIC_WRITE, TRUE);
 772     if (!NT_SUCCESS(Status))
 773     {
 774         WriteOutputCodeRequest->NumCodes = 0;
 775         return Status;
 776     }
 777
 778     Status = ConDrvWriteConsoleOutputString(Buffer->Header.Console,
 779                                             Buffer,
 780                                             WriteOutputCodeRequest->CodeType,
 781                                             pCode,
 782                                             WriteOutputCodeRequest->NumCodes,
 783                                             &WriteOutputCodeRequest->Coord,
 784                                             // &WriteOutputCodeRequest->EndCoord,
 785                                             &WriteOutputCodeRequest->NumCodes);
 786
 787     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 788     return Status;
 789 }
 790
 791 NTSTATUS NTAPI
 792 ConDrvFillConsoleOutput(IN PCONSOLE Console,
 793                         IN PTEXTMODE_SCREEN_BUFFER Buffer,
 794                         IN CODE_TYPE CodeType,
 795                         IN CODE_ELEMENT Code,
 796                         IN ULONG NumCodesToWrite,
 797                         IN PCOORD WriteCoord,
 798                         OUT PULONG NumCodesWritten OPTIONAL);
 799 CSR_API(SrvFillConsoleOutput)
 800 {
 801     NTSTATUS Status;
 802     PCONSOLE_FILLOUTPUTCODE FillOutputRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.FillOutputRequest;
 803     PTEXTMODE_SCREEN_BUFFER Buffer;
 804     CODE_TYPE CodeType = FillOutputRequest->CodeType;
 805
 806     DPRINT("SrvFillConsoleOutput\n");
 807
 808     if ( (CodeType != CODE_ASCII    ) &&
 809          (CodeType != CODE_UNICODE  ) &&
 810          (CodeType != CODE_ATTRIBUTE) )
 811     {
 812         return STATUS_INVALID_PARAMETER;
 813     }
 814
 815     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 816                                      FillOutputRequest->OutputHandle,
 817                                      &Buffer, GENERIC_WRITE, TRUE);
 818     if (!NT_SUCCESS(Status))
 819     {
 820         FillOutputRequest->NumCodes = 0;
 821         return Status;
 822     }
 823
 824     Status = ConDrvFillConsoleOutput(Buffer->Header.Console,
 825                                      Buffer,
 826                                      CodeType,
 827                                      FillOutputRequest->Code,
 828                                      FillOutputRequest->NumCodes,
 829                                      &FillOutputRequest->WriteCoord,
 830                                      &FillOutputRequest->NumCodes);
 831
 832     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 833     return Status;
 834 }
 835
 836 NTSTATUS NTAPI
 837 ConDrvGetConsoleScreenBufferInfo(IN  PCONSOLE Console,
 838                                  IN  PTEXTMODE_SCREEN_BUFFER Buffer,
 839                                  OUT PCOORD ScreenBufferSize,
 840                                  OUT PCOORD CursorPosition,
 841                                  OUT PCOORD ViewOrigin,
 842                                  OUT PCOORD ViewSize,
 843                                  OUT PCOORD MaximumViewSize,
 844                                  OUT PWORD  Attributes);
 845 CSR_API(SrvGetConsoleScreenBufferInfo)
 846 {
 847     NTSTATUS Status;
 848     PCONSOLE_GETSCREENBUFFERINFO ScreenBufferInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.ScreenBufferInfoRequest;
 849     PTEXTMODE_SCREEN_BUFFER Buffer;
 850
 851     DPRINT("SrvGetConsoleScreenBufferInfo\n");
 852
 853     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 854                                      ScreenBufferInfoRequest->OutputHandle,
 855                                      &Buffer, GENERIC_READ, TRUE);
 856     if (!NT_SUCCESS(Status)) return Status;
 857
 858     Status = ConDrvGetConsoleScreenBufferInfo(Buffer->Header.Console,
 859                                               Buffer,
 860                                               &ScreenBufferInfoRequest->ScreenBufferSize,
 861                                               &ScreenBufferInfoRequest->CursorPosition,
 862                                               &ScreenBufferInfoRequest->ViewOrigin,
 863                                               &ScreenBufferInfoRequest->ViewSize,
 864                                               &ScreenBufferInfoRequest->MaximumViewSize,
 865                                               &ScreenBufferInfoRequest->Attributes);
 866
 867     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 868     return Status;
 869 }
 870
 871 NTSTATUS NTAPI
 872 ConDrvSetConsoleTextAttribute(IN PCONSOLE Console,
 873                               IN PTEXTMODE_SCREEN_BUFFER Buffer,
 874                               IN WORD Attributes);
 875 CSR_API(SrvSetConsoleTextAttribute)
 876 {
 877     NTSTATUS Status;
 878     PCONSOLE_SETTEXTATTRIB SetTextAttribRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetTextAttribRequest;
 879     PTEXTMODE_SCREEN_BUFFER Buffer;
 880
 881     DPRINT("SrvSetConsoleTextAttribute\n");
 882
 883     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 884                                      SetTextAttribRequest->OutputHandle,
 885                                      &Buffer, GENERIC_WRITE, TRUE);
 886     if (!NT_SUCCESS(Status)) return Status;
 887
 888     Status = ConDrvSetConsoleTextAttribute(Buffer->Header.Console,
 889                                            Buffer,
 890                                            SetTextAttribRequest->Attributes);
 891
 892     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 893     return Status;
 894 }
 895
 896 NTSTATUS NTAPI
 897 ConDrvSetConsoleScreenBufferSize(IN PCONSOLE Console,
 898                                  IN PTEXTMODE_SCREEN_BUFFER Buffer,
 899                                  IN PCOORD Size);
 900 CSR_API(SrvSetConsoleScreenBufferSize)
 901 {
 902     NTSTATUS Status;
 903     PCONSOLE_SETSCREENBUFFERSIZE SetScreenBufferSizeRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetScreenBufferSizeRequest;
 904     PTEXTMODE_SCREEN_BUFFER Buffer;
 905
 906     DPRINT("SrvSetConsoleScreenBufferSize\n");
 907
 908     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 909                                      SetScreenBufferSizeRequest->OutputHandle,
 910                                      &Buffer, GENERIC_WRITE, TRUE);
 911     if (!NT_SUCCESS(Status)) return Status;
 912
 913     Status = ConDrvSetConsoleScreenBufferSize(Buffer->Header.Console,
 914                                               Buffer,
 915                                               &SetScreenBufferSizeRequest->Size);
 916
 917     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 918     return Status;
 919 }
 920
 921 NTSTATUS NTAPI
 922 ConDrvScrollConsoleScreenBuffer(IN PCONSOLE Console,
 923                                 IN PTEXTMODE_SCREEN_BUFFER Buffer,
 924                                 IN BOOLEAN Unicode,
 925                                 IN PSMALL_RECT ScrollRectangle,
 926                                 IN BOOLEAN UseClipRectangle,
 927                                 IN PSMALL_RECT ClipRectangle OPTIONAL,
 928                                 IN PCOORD DestinationOrigin,
 929                                 IN CHAR_INFO FillChar);
 930 CSR_API(SrvScrollConsoleScreenBuffer)
 931 {
 932     NTSTATUS Status;
 933     PCONSOLE_SCROLLSCREENBUFFER ScrollScreenBufferRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.ScrollScreenBufferRequest;
 934     PTEXTMODE_SCREEN_BUFFER Buffer;
 935
 936     DPRINT("SrvScrollConsoleScreenBuffer\n");
 937
 938     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 939                                      ScrollScreenBufferRequest->OutputHandle,
 940                                      &Buffer, GENERIC_WRITE, TRUE);
 941     if (!NT_SUCCESS(Status)) return Status;
 942
 943     Status = ConDrvScrollConsoleScreenBuffer(Buffer->Header.Console,
 944                                              Buffer,
 945                                              ScrollScreenBufferRequest->Unicode,
 946                                              &ScrollScreenBufferRequest->ScrollRectangle,
 947                                              ScrollScreenBufferRequest->UseClipRectangle,
 948                                              &ScrollScreenBufferRequest->ClipRectangle,
 949                                              &ScrollScreenBufferRequest->DestinationOrigin,
 950                                              ScrollScreenBufferRequest->Fill);
 951
 952     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 953     return Status;
 954 }
 955
 956 NTSTATUS NTAPI
 957 ConDrvSetConsoleWindowInfo(IN PCONSOLE Console,
 958                            IN PTEXTMODE_SCREEN_BUFFER Buffer,
 959                            IN BOOLEAN Absolute,
 960                            IN PSMALL_RECT WindowRect);
 961 CSR_API(SrvSetConsoleWindowInfo)
 962 {
 963     NTSTATUS Status;
 964     PCONSOLE_SETWINDOWINFO SetWindowInfoRequest = &((PCONSOLE_API_MESSAGE)ApiMessage)->Data.SetWindowInfoRequest;
 965     // PCONSOLE_SCREEN_BUFFER Buffer;
 966     PTEXTMODE_SCREEN_BUFFER Buffer;
 967
 968     DPRINT1("SrvSetConsoleWindowInfo(0x%08x, %d, {L%d, T%d, R%d, B%d}) called\n",
 969             SetWindowInfoRequest->OutputHandle, SetWindowInfoRequest->Absolute,
 970             SetWindowInfoRequest->WindowRect.Left ,
 971             SetWindowInfoRequest->WindowRect.Top  ,
 972             SetWindowInfoRequest->WindowRect.Right,
 973             SetWindowInfoRequest->WindowRect.Bottom);
 974
 975     // ConSrvGetScreenBuffer
 976     Status = ConSrvGetTextModeBuffer(ConsoleGetPerProcessData(CsrGetClientThread()->Process),
 977                                      SetWindowInfoRequest->OutputHandle,
 978                                      &Buffer, GENERIC_READ, TRUE);
 979     if (!NT_SUCCESS(Status)) return Status;
 980
 981     Status = ConDrvSetConsoleWindowInfo(Buffer->Header.Console,
 982                                         Buffer,
 983                                         SetWindowInfoRequest->Absolute,
 984                                         &SetWindowInfoRequest->WindowRect);
 985
 986     ConSrvReleaseScreenBuffer(Buffer, TRUE);
 987     return Status;
 988 }
 989
 990 /* EOF */