git.oblomov.eu Git - wine/blob - dlls/ntdll/file.c

   1 /*
   2  * Copyright 1999, 2000 Juergen Schmied
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdio.h>
  25 #include <errno.h>
  26 #include <assert.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #ifdef HAVE_SYS_ERRNO_H
  31 #include <sys/errno.h>
  32 #endif
  33 #ifdef HAVE_LINUX_MAJOR_H
  34 # include <linux/major.h>
  35 #endif
  36 #ifdef HAVE_SYS_STATVFS_H
  37 # include <sys/statvfs.h>
  38 #endif
  39 #ifdef HAVE_SYS_PARAM_H
  40 # include <sys/param.h>
  41 #endif
  42 #ifdef HAVE_SYS_TIME_H
  43 # include <sys/time.h>
  44 #endif
  45 #ifdef HAVE_UTIME_H
  46 # include <utime.h>
  47 #endif
  48 #ifdef STATFS_DEFINED_BY_SYS_VFS
  49 # include <sys/vfs.h>
  50 #else
  51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
  52 #  include <sys/mount.h>
  53 # else
  54 #  ifdef STATFS_DEFINED_BY_SYS_STATFS
  55 #   include <sys/statfs.h>
  56 #  endif
  57 # endif
  58 #endif
  59
  60 #define NONAMELESSUNION
  61 #define NONAMELESSSTRUCT
  62 #include "wine/unicode.h"
  63 #include "wine/debug.h"
  64 #include "wine/server.h"
  65 #include "async.h"
  66 #include "ntdll_misc.h"
  67
  68 #include "winternl.h"
  69 #include "winioctl.h"
  70
  71 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  72
  73 mode_t FILE_umask = 0;
  74
  75 #define SECSPERDAY         86400
  76 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  77
  78 /**************************************************************************
  79  *                 NtOpenFile                           [NTDLL.@]
  80  *                 ZwOpenFile                           [NTDLL.@]
  81  *
  82  * Open a file.
  83  *
  84  * PARAMS
  85  *  handle    [O] Variable that receives the file handle on return
  86  *  access    [I] Access desired by the caller to the file
  87  *  attr      [I] Structue describing the file to be opened
  88  *  io        [O] Receives details about the result of the operation
  89  *  sharing   [I] Type of shared access the caller requires
  90  *  options   [I] Options for the file open
  91  *
  92  * RETURNS
  93  *  Success: 0. FileHandle and IoStatusBlock are updated.
  94  *  Failure: An NTSTATUS error code describing the error.
  95  */
  96 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
  97                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
  98                             ULONG sharing, ULONG options )
  99 {
 100     return NtCreateFile( handle, access, attr, io, NULL, 0,
 101                          sharing, FILE_OPEN, options, NULL, 0 );
 102 }
 103
 104 /**************************************************************************
 105  *              NtCreateFile                            [NTDLL.@]
 106  *              ZwCreateFile                            [NTDLL.@]
 107  *
 108  * Either create a new file or directory, or open an existing file, device,
 109  * directory or volume.
 110  *
 111  * PARAMS
 112  *      handle       [O] Points to a variable which receives the file handle on return
 113  *      access       [I] Desired access to the file
 114  *      attr         [I] Structure describing the file
 115  *      io           [O] Receives information about the operation on return
 116  *      alloc_size   [I] Initial size of the file in bytes
 117  *      attributes   [I] Attributes to create the file with
 118  *      sharing      [I] Type of shared access the caller would like to the file
 119  *      disposition  [I] Specifies what to do, depending on whether the file already exists
 120  *      options      [I] Options for creating a new file
 121  *      ea_buffer    [I] Undocumented
 122  *      ea_length    [I] Undocumented
 123  *
 124  * RETURNS
 125  *  Success: 0. handle and io are updated.
 126  *  Failure: An NTSTATUS error code describing the error.
 127  */
 128 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 129                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 130                               ULONG attributes, ULONG sharing, ULONG disposition,
 131                               ULONG options, PVOID ea_buffer, ULONG ea_length )
 132 {
 133     static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
 134     ANSI_STRING unix_name;
 135     int created = FALSE;
 136
 137     TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
 138           "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
 139           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
 140           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
 141           attributes, sharing, disposition, options, ea_buffer, ea_length );
 142
 143     if (attr->RootDirectory)
 144     {
 145         FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
 146         return STATUS_OBJECT_NAME_NOT_FOUND;
 147     }
 148     if (alloc_size) FIXME( "alloc_size not supported\n" );
 149
 150     /* check for named pipe */
 151
 152     if (attr->ObjectName->Length > sizeof(pipeW) &&
 153         !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
 154     {
 155         SERVER_START_REQ( open_named_pipe )
 156         {
 157             req->access = access;
 158             req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
 159             wine_server_add_data( req, attr->ObjectName->Buffer + 4,
 160                                   attr->ObjectName->Length - 4*sizeof(WCHAR) );
 161             io->u.Status = wine_server_call( req );
 162             *handle = reply->handle;
 163         }
 164         SERVER_END_REQ;
 165         return io->u.Status;
 166     }
 167
 168     io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
 169                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
 170
 171     if (io->u.Status == STATUS_NO_SUCH_FILE &&
 172         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
 173     {
 174         created = TRUE;
 175         io->u.Status = STATUS_SUCCESS;
 176     }
 177
 178     if (io->u.Status == STATUS_SUCCESS)
 179     {
 180         SERVER_START_REQ( create_file )
 181         {
 182             req->access     = access;
 183             req->inherit    = (attr->Attributes & OBJ_INHERIT) != 0;
 184             req->sharing    = sharing;
 185             req->create     = disposition;
 186             req->options    = options;
 187             req->attrs      = attributes;
 188             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
 189             io->u.Status = wine_server_call( req );
 190             *handle = reply->handle;
 191         }
 192         SERVER_END_REQ;
 193         RtlFreeAnsiString( &unix_name );
 194     }
 195     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
 196
 197     if (io->u.Status == STATUS_SUCCESS)
 198     {
 199         if (created) io->Information = FILE_CREATED;
 200         else switch(disposition)
 201         {
 202         case FILE_SUPERSEDE:
 203             io->Information = FILE_SUPERSEDED;
 204             break;
 205         case FILE_CREATE:
 206             io->Information = FILE_CREATED;
 207             break;
 208         case FILE_OPEN:
 209         case FILE_OPEN_IF:
 210             io->Information = FILE_OPENED;
 211             break;
 212         case FILE_OVERWRITE:
 213         case FILE_OVERWRITE_IF:
 214             io->Information = FILE_OVERWRITTEN;
 215             break;
 216         }
 217     }
 218
 219     return io->u.Status;
 220 }
 221
 222 /***********************************************************************
 223  *                  Asynchronous file I/O                              *
 224  */
 225 static DWORD fileio_get_async_count(const async_private *ovp);
 226 static void CALLBACK fileio_call_completion_func(ULONG_PTR data);
 227 static void fileio_async_cleanup(async_private *ovp);
 228
 229 static async_ops fileio_async_ops =
 230 {
 231     fileio_get_async_count,        /* get_count */
 232     fileio_call_completion_func,   /* call_completion */
 233     fileio_async_cleanup           /* cleanup */
 234 };
 235
 236 static async_ops fileio_nocomp_async_ops =
 237 {
 238     fileio_get_async_count,        /* get_count */
 239     NULL,                          /* call_completion */
 240     fileio_async_cleanup           /* cleanup */
 241 };
 242
 243 typedef struct async_fileio
 244 {
 245     struct async_private             async;
 246     PIO_APC_ROUTINE                  apc;
 247     void*                            apc_user;
 248     char                             *buffer;
 249     unsigned int                     count;
 250     unsigned long                    offset;
 251     enum fd_type                     fd_type;
 252 } async_fileio;
 253
 254 static DWORD fileio_get_async_count(const struct async_private *ovp)
 255 {
 256     async_fileio *fileio = (async_fileio*) ovp;
 257
 258     if (fileio->count < fileio->async.iosb->Information)
 259         return 0;
 260     return fileio->count - fileio->async.iosb->Information;
 261 }
 262
 263 static void CALLBACK fileio_call_completion_func(ULONG_PTR data)
 264 {
 265     async_fileio *ovp = (async_fileio*) data;
 266     TRACE("data: %p\n", ovp);
 267
 268     ovp->apc( ovp->apc_user, ovp->async.iosb, ovp->async.iosb->Information );
 269
 270     fileio_async_cleanup( &ovp->async );
 271 }
 272
 273 static void fileio_async_cleanup( struct async_private *ovp )
 274 {
 275     RtlFreeHeap( GetProcessHeap(), 0, ovp );
 276 }
 277
 278 /***********************************************************************
 279  *           FILE_GetNtStatus(void)
 280  *
 281  * Retrieve the Nt Status code from errno.
 282  * Try to be consistent with FILE_SetDosError().
 283  */
 284 NTSTATUS FILE_GetNtStatus(void)
 285 {
 286     int err = errno;
 287
 288     TRACE( "errno = %d\n", errno );
 289     switch (err)
 290     {
 291     case EAGAIN:    return STATUS_SHARING_VIOLATION;
 292     case EBADF:     return STATUS_INVALID_HANDLE;
 293     case ENOSPC:    return STATUS_DISK_FULL;
 294     case EPERM:
 295     case EROFS:
 296     case EACCES:    return STATUS_ACCESS_DENIED;
 297     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
 298     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
 299     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
 300     case EMFILE:
 301     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
 302     case EINVAL:    return STATUS_INVALID_PARAMETER;
 303     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
 304     case EPIPE:     return STATUS_PIPE_BROKEN;
 305     case EIO:       return STATUS_DEVICE_NOT_READY;
 306 #ifdef ENOMEDIUM
 307     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
 308 #endif
 309     case ENOTTY:
 310     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
 311     case ENOEXEC:   /* ?? */
 312     case ESPIPE:    /* ?? */
 313     case EEXIST:    /* ?? */
 314     default:
 315         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 316         return STATUS_UNSUCCESSFUL;
 317     }
 318 }
 319
 320 /***********************************************************************
 321  *             FILE_AsyncReadService      (INTERNAL)
 322  *
 323  *  This function is called while the client is waiting on the
 324  *  server, so we can't make any server calls here.
 325  */
 326 static void FILE_AsyncReadService(async_private *ovp)
 327 {
 328     async_fileio *fileio = (async_fileio*) ovp;
 329     IO_STATUS_BLOCK*  io_status = fileio->async.iosb;
 330     int result;
 331     int already = io_status->Information;
 332
 333     TRACE("%p %p\n", io_status, fileio->buffer );
 334
 335     /* check to see if the data is ready (non-blocking) */
 336
 337     if ( fileio->fd_type == FD_TYPE_SOCKET )
 338         result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
 339     else
 340     {
 341         result = pread(ovp->fd, &fileio->buffer[already], fileio->count - already,
 342                        fileio->offset + already);
 343         if ((result < 0) && (errno == ESPIPE))
 344             result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
 345     }
 346
 347     if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
 348     {
 349         TRACE("Deferred read %d\n",errno);
 350         io_status->u.Status = STATUS_PENDING;
 351         return;
 352     }
 353
 354     /* check to see if the transfer is complete */
 355     if (result < 0)
 356     {
 357         io_status->u.Status = FILE_GetNtStatus();
 358         return;
 359     }
 360     else if (result == 0)
 361     {
 362         io_status->u.Status = io_status->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 363         return;
 364     }
 365
 366     io_status->Information += result;
 367     if (io_status->Information >= fileio->count || fileio->fd_type == FD_TYPE_SOCKET )
 368         io_status->u.Status = STATUS_SUCCESS;
 369     else
 370         io_status->u.Status = STATUS_PENDING;
 371
 372     TRACE("read %d more bytes %ld/%d so far\n",
 373           result, io_status->Information, fileio->count);
 374 }
 375
 376
 377 /******************************************************************************
 378  *  NtReadFile                                  [NTDLL.@]
 379  *  ZwReadFile                                  [NTDLL.@]
 380  *
 381  * Read from an open file handle.
 382  *
 383  * PARAMS
 384  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 385  *  Event         [I] Event to signal upon completion (or NULL)
 386  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 387  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 388  *  IoStatusBlock [O] Receives information about the operation on return
 389  *  Buffer        [O] Destination for the data read
 390  *  Length        [I] Size of Buffer
 391  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 392  *  Key           [O] Function unknown (may be NULL)
 393  *
 394  * RETURNS
 395  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 396  *           The number of bytes read.
 397  *  Failure: An NTSTATUS error code describing the error.
 398  */
 399 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 400                            PIO_APC_ROUTINE apc, void* apc_user,
 401                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 402                            PLARGE_INTEGER offset, PULONG key)
 403 {
 404     int unix_handle, flags;
 405     enum fd_type type;
 406
 407     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
 408           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 409
 410     io_status->Information = 0;
 411     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &type, &flags );
 412     if (io_status->u.Status) return io_status->u.Status;
 413
 414     if (flags & FD_FLAG_RECV_SHUTDOWN)
 415     {
 416         wine_server_release_fd( hFile, unix_handle );
 417         return STATUS_PIPE_DISCONNECTED;
 418     }
 419
 420     if (flags & FD_FLAG_TIMEOUT)
 421     {
 422         if (hEvent)
 423         {
 424             /* this shouldn't happen, but check it */
 425             FIXME("NIY-hEvent\n");
 426             wine_server_release_fd( hFile, unix_handle );
 427             return STATUS_NOT_IMPLEMENTED;
 428         }
 429         io_status->u.Status = NtCreateEvent(&hEvent, SYNCHRONIZE, NULL, 0, 0);
 430         if (io_status->u.Status)
 431         {
 432             wine_server_release_fd( hFile, unix_handle );
 433             return io_status->u.Status;
 434         }
 435     }
 436
 437     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 438     {
 439         async_fileio*   ovp;
 440         NTSTATUS ret;
 441
 442         if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
 443         {
 444             wine_server_release_fd( hFile, unix_handle );
 445             return STATUS_NO_MEMORY;
 446         }
 447         ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
 448         ovp->async.handle = hFile;
 449         ovp->async.fd = unix_handle;  /* FIXME */
 450         ovp->async.type = ASYNC_TYPE_READ;
 451         ovp->async.func = FILE_AsyncReadService;
 452         ovp->async.event = hEvent;
 453         ovp->async.iosb = io_status;
 454         ovp->count = length;
 455         if ( offset == NULL )
 456             ovp->offset = 0;
 457         else
 458         {
 459             ovp->offset = offset->u.LowPart;
 460             if (offset->u.HighPart) FIXME("NIY-high part\n");
 461         }
 462         ovp->apc = apc;
 463         ovp->apc_user = apc_user;
 464         ovp->buffer = buffer;
 465         ovp->fd_type = type;
 466
 467         io_status->Information = 0;
 468         ret = register_new_async(&ovp->async);
 469         if (ret != STATUS_SUCCESS)
 470             return ret;
 471         if (flags & FD_FLAG_TIMEOUT)
 472         {
 473             NtWaitForSingleObject(hEvent, TRUE, NULL);
 474             NtClose(hEvent);
 475         }
 476         else
 477         {
 478             LARGE_INTEGER   timeout;
 479
 480             /* let some APC be run, this will read some already pending data */
 481             timeout.u.LowPart = timeout.u.HighPart = 0;
 482             NtDelayExecution( TRUE, &timeout );
 483         }
 484         return io_status->u.Status;
 485     }
 486
 487     if (offset)
 488     {
 489         FILE_POSITION_INFORMATION   fpi;
 490
 491         fpi.CurrentByteOffset = *offset;
 492         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 493                                                    FilePositionInformation);
 494         if (io_status->u.Status)
 495         {
 496             wine_server_release_fd( hFile, unix_handle );
 497             return io_status->u.Status;
 498         }
 499     }
 500     /* code for synchronous reads */
 501     while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
 502     {
 503         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 504         if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
 505         io_status->u.Status = FILE_GetNtStatus();
 506         break;
 507     }
 508     wine_server_release_fd( hFile, unix_handle );
 509     return io_status->u.Status;
 510 }
 511
 512 /***********************************************************************
 513  *             FILE_AsyncWriteService      (INTERNAL)
 514  *
 515  *  This function is called while the client is waiting on the
 516  *  server, so we can't make any server calls here.
 517  */
 518 static void FILE_AsyncWriteService(struct async_private *ovp)
 519 {
 520     async_fileio *fileio = (async_fileio *) ovp;
 521     PIO_STATUS_BLOCK io_status = fileio->async.iosb;
 522     int result;
 523     int already = io_status->Information;
 524
 525     TRACE("(%p %p)\n",io_status,fileio->buffer);
 526
 527     /* write some data (non-blocking) */
 528
 529     if ( fileio->fd_type == FD_TYPE_SOCKET )
 530         result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
 531     else
 532     {
 533         result = pwrite(ovp->fd, &fileio->buffer[already], fileio->count - already,
 534                         fileio->offset + already);
 535         if ((result < 0) && (errno == ESPIPE))
 536             result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
 537     }
 538
 539     if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
 540     {
 541         io_status->u.Status = STATUS_PENDING;
 542         return;
 543     }
 544
 545     /* check to see if the transfer is complete */
 546     if (result < 0)
 547     {
 548         io_status->u.Status = FILE_GetNtStatus();
 549         return;
 550     }
 551
 552     io_status->Information += result;
 553     io_status->u.Status = (io_status->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 554     TRACE("wrote %d more bytes %ld/%d so far\n",result,io_status->Information,fileio->count);
 555 }
 556
 557 /******************************************************************************
 558  *  NtWriteFile                                 [NTDLL.@]
 559  *  ZwWriteFile                                 [NTDLL.@]
 560  *
 561  * Write to an open file handle.
 562  *
 563  * PARAMS
 564  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 565  *  Event         [I] Event to signal upon completion (or NULL)
 566  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 567  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 568  *  IoStatusBlock [O] Receives information about the operation on return
 569  *  Buffer        [I] Source for the data to write
 570  *  Length        [I] Size of Buffer
 571  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 572  *  Key           [O] Function unknown (may be NULL)
 573  *
 574  * RETURNS
 575  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 576  *           The number of bytes written.
 577  *  Failure: An NTSTATUS error code describing the error.
 578  */
 579 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 580                             PIO_APC_ROUTINE apc, void* apc_user,
 581                             PIO_STATUS_BLOCK io_status,
 582                             const void* buffer, ULONG length,
 583                             PLARGE_INTEGER offset, PULONG key)
 584 {
 585     int unix_handle, flags;
 586     enum fd_type type;
 587
 588     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
 589           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 590
 591     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
 592           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 593
 594     io_status->Information = 0;
 595     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &type, &flags );
 596     if (io_status->u.Status) return io_status->u.Status;
 597
 598     if (flags & FD_FLAG_SEND_SHUTDOWN)
 599     {
 600         wine_server_release_fd( hFile, unix_handle );
 601         return STATUS_PIPE_DISCONNECTED;
 602     }
 603
 604     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 605     {
 606         async_fileio*   ovp;
 607         NTSTATUS ret;
 608
 609         if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
 610         {
 611             wine_server_release_fd( hFile, unix_handle );
 612             return STATUS_NO_MEMORY;
 613         }
 614         ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
 615         ovp->async.handle = hFile;
 616         ovp->async.fd = unix_handle;  /* FIXME */
 617         ovp->async.type = ASYNC_TYPE_WRITE;
 618         ovp->async.func = FILE_AsyncWriteService;
 619         ovp->async.event = hEvent;
 620         ovp->async.iosb = io_status;
 621         ovp->count = length;
 622         if (offset) {
 623             ovp->offset = offset->u.LowPart;
 624             if (offset->u.HighPart) FIXME("NIY-high part\n");
 625         } else {
 626             ovp->offset = 0;
 627         }
 628         ovp->apc = apc;
 629         ovp->apc_user = apc_user;
 630         ovp->buffer = (void*)buffer;
 631         ovp->fd_type = type;
 632
 633         io_status->Information = 0;
 634         ret = register_new_async(&ovp->async);
 635         if (ret != STATUS_SUCCESS)
 636             return ret;
 637         if (flags & FD_FLAG_TIMEOUT)
 638         {
 639             NtWaitForSingleObject(hEvent, TRUE, NULL);
 640             NtClose(hEvent);
 641         }
 642         else
 643         {
 644             LARGE_INTEGER   timeout;
 645
 646             /* let some APC be run, this will write as much data as possible */
 647             timeout.u.LowPart = timeout.u.HighPart = 0;
 648             NtDelayExecution( TRUE, &timeout );
 649         }
 650         return io_status->u.Status;
 651     }
 652
 653     if (offset)
 654     {
 655         FILE_POSITION_INFORMATION   fpi;
 656
 657         fpi.CurrentByteOffset = *offset;
 658         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 659                                                    FilePositionInformation);
 660         if (io_status->u.Status)
 661         {
 662             wine_server_release_fd( hFile, unix_handle );
 663             return io_status->u.Status;
 664         }
 665     }
 666
 667     /* synchronous file write */
 668     while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
 669     {
 670         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 671         if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
 672         if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
 673         else io_status->u.Status = FILE_GetNtStatus();
 674         break;
 675     }
 676     wine_server_release_fd( hFile, unix_handle );
 677     return io_status->u.Status;
 678 }
 679
 680 /**************************************************************************
 681  *              NtDeviceIoControlFile                   [NTDLL.@]
 682  *              ZwDeviceIoControlFile                   [NTDLL.@]
 683  *
 684  * Perform an I/O control operation on an open file handle.
 685  *
 686  * PARAMS
 687  *  DeviceHandle     [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 688  *  Event            [I] Event to signal upon completion (or NULL)
 689  *  ApcRoutine       [I] Callback to call upon completion (or NULL)
 690  *  ApcContext       [I] Context for ApcRoutine (or NULL)
 691  *  IoStatusBlock    [O] Receives information about the operation on return
 692  *  IoControlCode    [I] Control code for the operation to perform
 693  *  InputBuffer      [I] Source for any input data required (or NULL)
 694  *  InputBufferSize  [I] Size of InputBuffer
 695  *  OutputBuffer     [O] Source for any output data returned (or NULL)
 696  *  OutputBufferSize [I] Size of OutputBuffer
 697  *
 698  * RETURNS
 699  *  Success: 0. IoStatusBlock is updated.
 700  *  Failure: An NTSTATUS error code describing the error.
 701  */
 702 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
 703                                       PIO_APC_ROUTINE UserApcRoutine,
 704                                       PVOID UserApcContext,
 705                                       PIO_STATUS_BLOCK IoStatusBlock,
 706                                       ULONG IoControlCode,
 707                                       PVOID InputBuffer,
 708                                       ULONG InputBufferSize,
 709                                       PVOID OutputBuffer,
 710                                       ULONG OutputBufferSize)
 711 {
 712     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
 713           DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
 714           IoStatusBlock, IoControlCode,
 715           InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
 716
 717     if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
 718                               UserApcRoutine, UserApcContext,
 719                               IoStatusBlock, IoControlCode,
 720                               InputBuffer, InputBufferSize,
 721                               OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
 722     {
 723         /* it wasn't a CDROM */
 724         FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
 725         IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
 726         IoStatusBlock->Information = 0;
 727         if (hEvent) NtSetEvent(hEvent, NULL);
 728     }
 729     return IoStatusBlock->u.Status;
 730 }
 731
 732 /******************************************************************************
 733  * NtFsControlFile [NTDLL.@]
 734  * ZwFsControlFile [NTDLL.@]
 735  */
 736 NTSTATUS WINAPI NtFsControlFile(
 737         IN HANDLE DeviceHandle,
 738         IN HANDLE Event OPTIONAL,
 739         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 740         IN PVOID ApcContext OPTIONAL,
 741         OUT PIO_STATUS_BLOCK IoStatusBlock,
 742         IN ULONG IoControlCode,
 743         IN PVOID InputBuffer,
 744         IN ULONG InputBufferSize,
 745         OUT PVOID OutputBuffer,
 746         IN ULONG OutputBufferSize)
 747 {
 748         FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
 749         DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
 750         InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
 751         return 0;
 752 }
 753
 754 /******************************************************************************
 755  *  NtSetVolumeInformationFile          [NTDLL.@]
 756  *  ZwSetVolumeInformationFile          [NTDLL.@]
 757  *
 758  * Set volume information for an open file handle.
 759  *
 760  * PARAMS
 761  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 762  *  IoStatusBlock      [O] Receives information about the operation on return
 763  *  FsInformation      [I] Source for volume information
 764  *  Length             [I] Size of FsInformation
 765  *  FsInformationClass [I] Type of volume information to set
 766  *
 767  * RETURNS
 768  *  Success: 0. IoStatusBlock is updated.
 769  *  Failure: An NTSTATUS error code describing the error.
 770  */
 771 NTSTATUS WINAPI NtSetVolumeInformationFile(
 772         IN HANDLE FileHandle,
 773         PIO_STATUS_BLOCK IoStatusBlock,
 774         PVOID FsInformation,
 775         ULONG Length,
 776         FS_INFORMATION_CLASS FsInformationClass)
 777 {
 778         FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
 779         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
 780         return 0;
 781 }
 782
 783 /******************************************************************************
 784  *  NtQueryInformationFile              [NTDLL.@]
 785  *  ZwQueryInformationFile              [NTDLL.@]
 786  *
 787  * Get information about an open file handle.
 788  *
 789  * PARAMS
 790  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 791  *  io       [O] Receives information about the operation on return
 792  *  ptr      [O] Destination for file information
 793  *  len      [I] Size of FileInformation
 794  *  class    [I] Type of file information to get
 795  *
 796  * RETURNS
 797  *  Success: 0. IoStatusBlock and FileInformation are updated.
 798  *  Failure: An NTSTATUS error code describing the error.
 799  */
 800 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
 801                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
 802 {
 803     static const size_t info_sizes[] =
 804     {
 805         0,
 806         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
 807         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
 808         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
 809         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
 810         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
 811         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
 812         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
 813         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
 814         sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR),   /* FileNameInformation */
 815         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
 816         0,                                             /* FileLinkInformation */
 817         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
 818         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
 819         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
 820         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
 821         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
 822         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
 823         sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR),    /* FileAllInformation */
 824         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
 825         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
 826         0,                                             /* FileAlternateNameInformation */
 827         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
 828         0,                                             /* FilePipeInformation */
 829         0,                                             /* FilePipeLocalInformation */
 830         0,                                             /* FilePipeRemoteInformation */
 831         0,                                             /* FileMailslotQueryInformation */
 832         0,                                             /* FileMailslotSetInformation */
 833         0,                                             /* FileCompressionInformation */
 834         0,                                             /* FileObjectIdInformation */
 835         0,                                             /* FileCompletionInformation */
 836         0,                                             /* FileMoveClusterInformation */
 837         0,                                             /* FileQuotaInformation */
 838         0,                                             /* FileReparsePointInformation */
 839         0,                                             /* FileNetworkOpenInformation */
 840         0,                                             /* FileAttributeTagInformation */
 841         0                                              /* FileTrackingInformation */
 842     };
 843
 844     struct stat st;
 845     int fd;
 846
 847     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
 848
 849     io->Information = 0;
 850
 851     if (class <= 0 || class >= FileMaximumInformation)
 852         return io->u.Status = STATUS_INVALID_INFO_CLASS;
 853     if (!info_sizes[class])
 854     {
 855         FIXME("Unsupported class (%d)\n", class);
 856         return io->u.Status = STATUS_NOT_IMPLEMENTED;
 857     }
 858     if (len < info_sizes[class])
 859         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
 860
 861     if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL, NULL )))
 862         return io->u.Status;
 863
 864     switch (class)
 865     {
 866     case FileBasicInformation:
 867         {
 868             FILE_BASIC_INFORMATION *info = ptr;
 869
 870             if (fstat( fd, &st ) == -1)
 871                 io->u.Status = FILE_GetNtStatus();
 872             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
 873                 io->u.Status = STATUS_INVALID_INFO_CLASS;
 874             else
 875             {
 876                 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 877                 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 878                 if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
 879                 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
 880                 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
 881                 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
 882                 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
 883             }
 884         }
 885         break;
 886     case FileStandardInformation:
 887         {
 888             FILE_STANDARD_INFORMATION *info = ptr;
 889
 890             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
 891             else
 892             {
 893                 if ((info->Directory = S_ISDIR(st.st_mode)))
 894                 {
 895                     info->AllocationSize.QuadPart = 0;
 896                     info->EndOfFile.QuadPart      = 0;
 897                     info->NumberOfLinks           = 1;
 898                     info->DeletePending           = FALSE;
 899                 }
 900                 else
 901                 {
 902                     info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
 903                     info->EndOfFile.QuadPart      = st.st_size;
 904                     info->NumberOfLinks           = st.st_nlink;
 905                     info->DeletePending           = FALSE; /* FIXME */
 906                 }
 907             }
 908         }
 909         break;
 910     case FilePositionInformation:
 911         {
 912             FILE_POSITION_INFORMATION *info = ptr;
 913             off_t res = lseek( fd, 0, SEEK_CUR );
 914             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
 915             else info->CurrentByteOffset.QuadPart = res;
 916         }
 917         break;
 918     case FileInternalInformation:
 919         {
 920             FILE_INTERNAL_INFORMATION *info = ptr;
 921
 922             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
 923             else info->IndexNumber.QuadPart = st.st_ino;
 924         }
 925         break;
 926     case FileEaInformation:
 927         {
 928             FILE_EA_INFORMATION *info = ptr;
 929             info->EaSize = 0;
 930         }
 931         break;
 932     case FileEndOfFileInformation:
 933         {
 934             FILE_END_OF_FILE_INFORMATION *info = ptr;
 935
 936             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
 937             else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
 938         }
 939         break;
 940     case FileAllInformation:
 941         {
 942             FILE_ALL_INFORMATION *info = ptr;
 943
 944             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
 945             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
 946                 io->u.Status = STATUS_INVALID_INFO_CLASS;
 947             else
 948             {
 949                 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
 950                 {
 951                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 952                     info->StandardInformation.AllocationSize.QuadPart = 0;
 953                     info->StandardInformation.EndOfFile.QuadPart      = 0;
 954                     info->StandardInformation.NumberOfLinks           = 1;
 955                     info->StandardInformation.DeletePending           = FALSE;
 956                 }
 957                 else
 958                 {
 959                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 960                     info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
 961                     info->StandardInformation.EndOfFile.QuadPart      = st.st_size;
 962                     info->StandardInformation.NumberOfLinks           = st.st_nlink;
 963                     info->StandardInformation.DeletePending           = FALSE; /* FIXME */
 964                 }
 965                 if (!(st.st_mode & S_IWUSR))
 966                     info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
 967                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
 968                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
 969                 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
 970                 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
 971                 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
 972                 info->EaInformation.EaSize = 0;
 973                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
 974                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
 975                 info->ModeInformation.Mode = 0;  /* FIXME */
 976                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
 977                 info->NameInformation.FileNameLength = 0;
 978                 io->Information = sizeof(*info) - sizeof(WCHAR);
 979             }
 980         }
 981         break;
 982     default:
 983         FIXME("Unsupported class (%d)\n", class);
 984         io->u.Status = STATUS_NOT_IMPLEMENTED;
 985         break;
 986     }
 987     wine_server_release_fd( hFile, fd );
 988     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
 989     return io->u.Status;
 990 }
 991
 992 /******************************************************************************
 993  *  NtSetInformationFile                [NTDLL.@]
 994  *  ZwSetInformationFile                [NTDLL.@]
 995  *
 996  * Set information about an open file handle.
 997  *
 998  * PARAMS
 999  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1000  *  io      [O] Receives information about the operation on return
1001  *  ptr     [I] Source for file information
1002  *  len     [I] Size of FileInformation
1003  *  class   [I] Type of file information to set
1004  *
1005  * RETURNS
1006  *  Success: 0. io is updated.
1007  *  Failure: An NTSTATUS error code describing the error.
1008  */
1009 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1010                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1011 {
1012     int fd;
1013
1014     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1015
1016     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL )))
1017         return io->u.Status;
1018
1019     io->u.Status = STATUS_SUCCESS;
1020     switch (class)
1021     {
1022     case FileBasicInformation:
1023         if (len >= sizeof(FILE_BASIC_INFORMATION))
1024         {
1025             struct stat st;
1026             const FILE_BASIC_INFORMATION *info = ptr;
1027
1028 #ifdef HAVE_FUTIMES
1029             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1030             {
1031                 ULONGLONG sec, nsec;
1032                 struct timeval tv[2];
1033
1034                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1035                 {
1036
1037                     tv[0].tv_sec = tv[0].tv_usec = 0;
1038                     tv[1].tv_sec = tv[1].tv_usec = 0;
1039                     if (!fstat( fd, &st ))
1040                     {
1041                         tv[0].tv_sec = st.st_atime;
1042                         tv[1].tv_sec = st.st_mtime;
1043                     }
1044                 }
1045                 if (info->LastAccessTime.QuadPart)
1046                 {
1047                     sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1048                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
1049                     tv[0].tv_usec = (UINT)nsec / 10;
1050                 }
1051                 if (info->LastWriteTime.QuadPart)
1052                 {
1053                     sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1054                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
1055                     tv[1].tv_usec = (UINT)nsec / 10;
1056                 }
1057                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1058             }
1059 #endif  /* HAVE_FUTIMES */
1060             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1061             {
1062                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1063                 else
1064                 {
1065                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1066                     {
1067                         st.st_mode &= ~0222; /* clear write permission bits */
1068                     }
1069                     else
1070                     {
1071                         /* add write permission only where we already have read permission */
1072                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1073                     }
1074                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1075                 }
1076             }
1077         }
1078         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1079         break;
1080
1081     case FilePositionInformation:
1082         if (len >= sizeof(FILE_POSITION_INFORMATION))
1083         {
1084             const FILE_POSITION_INFORMATION *info = ptr;
1085
1086             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1087                 io->u.Status = FILE_GetNtStatus();
1088         }
1089         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1090         break;
1091
1092     case FileEndOfFileInformation:
1093         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1094         {
1095             struct stat st;
1096             const FILE_END_OF_FILE_INFORMATION *info = ptr;
1097
1098             /* first try normal truncate */
1099             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1100
1101             /* now check for the need to extend the file */
1102             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1103             {
1104                 static const char zero;
1105
1106                 /* extend the file one byte beyond the requested size and then truncate it */
1107                 /* this should work around ftruncate implementations that can't extend files */
1108                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1109                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1110             }
1111             io->u.Status = FILE_GetNtStatus();
1112         }
1113         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1114         break;
1115
1116     default:
1117         FIXME("Unsupported class (%d)\n", class);
1118         io->u.Status = STATUS_NOT_IMPLEMENTED;
1119         break;
1120     }
1121     wine_server_release_fd( handle, fd );
1122     io->Information = 0;
1123     return io->u.Status;
1124 }
1125
1126
1127 /******************************************************************************
1128  *              NtQueryFullAttributesFile   (NTDLL.@)
1129  */
1130 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1131                                            FILE_NETWORK_OPEN_INFORMATION *info )
1132 {
1133     ANSI_STRING unix_name;
1134     NTSTATUS status;
1135
1136     if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1137                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1138     {
1139         struct stat st;
1140
1141         if (stat( unix_name.Buffer, &st ) == -1)
1142             status = FILE_GetNtStatus();
1143         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1144             status = STATUS_INVALID_INFO_CLASS;
1145         else
1146         {
1147             if (S_ISDIR(st.st_mode))
1148             {
1149                 info->FileAttributes          = FILE_ATTRIBUTE_DIRECTORY;
1150                 info->AllocationSize.QuadPart = 0;
1151                 info->EndOfFile.QuadPart      = 0;
1152             }
1153             else
1154             {
1155                 info->FileAttributes          = FILE_ATTRIBUTE_ARCHIVE;
1156                 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1157                 info->EndOfFile.QuadPart      = st.st_size;
1158             }
1159             if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1160             RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1161             RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1162             RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1163             RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1164             if (DIR_is_hidden_file( attr->ObjectName ))
1165                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1166         }
1167         RtlFreeAnsiString( &unix_name );
1168     }
1169     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1170     return status;
1171 }
1172
1173
1174 /******************************************************************************
1175  *              NtQueryAttributesFile   (NTDLL.@)
1176  *              ZwQueryAttributesFile   (NTDLL.@)
1177  */
1178 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1179 {
1180     FILE_NETWORK_OPEN_INFORMATION full_info;
1181     NTSTATUS status;
1182
1183     if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1184     {
1185         info->CreationTime.QuadPart   = full_info.CreationTime.QuadPart;
1186         info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1187         info->LastWriteTime.QuadPart  = full_info.LastWriteTime.QuadPart;
1188         info->ChangeTime.QuadPart     = full_info.ChangeTime.QuadPart;
1189         info->FileAttributes          = full_info.FileAttributes;
1190     }
1191     return status;
1192 }
1193
1194
1195 /******************************************************************************
1196  *  NtQueryVolumeInformationFile                [NTDLL.@]
1197  *  ZwQueryVolumeInformationFile                [NTDLL.@]
1198  *
1199  * Get volume information for an open file handle.
1200  *
1201  * PARAMS
1202  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1203  *  io          [O] Receives information about the operation on return
1204  *  buffer      [O] Destination for volume information
1205  *  length      [I] Size of FsInformation
1206  *  info_class  [I] Type of volume information to set
1207  *
1208  * RETURNS
1209  *  Success: 0. io and buffer are updated.
1210  *  Failure: An NTSTATUS error code describing the error.
1211  */
1212 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1213                                               PVOID buffer, ULONG length,
1214                                               FS_INFORMATION_CLASS info_class )
1215 {
1216     int fd;
1217     struct stat st;
1218
1219     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL )) != STATUS_SUCCESS)
1220         return io->u.Status;
1221
1222     io->u.Status = STATUS_NOT_IMPLEMENTED;
1223     io->Information = 0;
1224
1225     switch( info_class )
1226     {
1227     case FileFsVolumeInformation:
1228         FIXME( "%p: volume info not supported\n", handle );
1229         break;
1230     case FileFsLabelInformation:
1231         FIXME( "%p: label info not supported\n", handle );
1232         break;
1233     case FileFsSizeInformation:
1234         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1235             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1236         else
1237         {
1238             FILE_FS_SIZE_INFORMATION *info = buffer;
1239             struct statvfs stvfs;
1240
1241             if (fstat( fd, &st ) < 0)
1242             {
1243                 io->u.Status = FILE_GetNtStatus();
1244                 break;
1245             }
1246             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1247             {
1248                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1249                 break;
1250             }
1251             if (fstatvfs( fd, &stvfs ) < 0) io->u.Status = FILE_GetNtStatus();
1252             else
1253             {
1254                 info->TotalAllocationUnits.QuadPart = stvfs.f_blocks;
1255                 info->AvailableAllocationUnits.QuadPart = stvfs.f_bavail;
1256                 info->SectorsPerAllocationUnit = 1;
1257                 info->BytesPerSector = stvfs.f_frsize;
1258                 io->Information = sizeof(*info);
1259                 io->u.Status = STATUS_SUCCESS;
1260             }
1261         }
1262         break;
1263     case FileFsDeviceInformation:
1264         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1265             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1266         else
1267         {
1268             FILE_FS_DEVICE_INFORMATION *info = buffer;
1269
1270             info->Characteristics = 0;
1271             if (fstat( fd, &st ) < 0)
1272             {
1273                 io->u.Status = FILE_GetNtStatus();
1274                 break;
1275             }
1276             if (S_ISCHR( st.st_mode ))
1277             {
1278                 info->DeviceType = FILE_DEVICE_UNKNOWN;
1279 #ifdef linux
1280                 switch(major(st.st_rdev))
1281                 {
1282                 case MEM_MAJOR:
1283                     info->DeviceType = FILE_DEVICE_NULL;
1284                     break;
1285                 case TTY_MAJOR:
1286                     info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1287                     break;
1288                 case LP_MAJOR:
1289                     info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1290                     break;
1291                 }
1292 #endif
1293             }
1294             else if (S_ISBLK( st.st_mode ))
1295             {
1296                 info->DeviceType = FILE_DEVICE_DISK;
1297             }
1298             else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1299             {
1300                 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1301             }
1302             else  /* regular file or directory */
1303             {
1304 #if defined(linux) && defined(HAVE_FSTATFS)
1305                 struct statfs stfs;
1306
1307                 /* check for floppy disk */
1308                 if (major(st.st_dev) == FLOPPY_MAJOR)
1309                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1310
1311                 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1312                 switch (stfs.f_type)
1313                 {
1314                 case 0x9660:      /* iso9660 */
1315                 case 0x15013346:  /* udf */
1316                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1317                     info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1318                     break;
1319                 case 0x6969:  /* nfs */
1320                 case 0x517B:  /* smbfs */
1321                 case 0x564c:  /* ncpfs */
1322                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1323                     info->Characteristics |= FILE_REMOTE_DEVICE;
1324                     break;
1325                 case 0x01021994:  /* tmpfs */
1326                 case 0x28cd3d45:  /* cramfs */
1327                 case 0x1373:      /* devfs */
1328                 case 0x9fa0:      /* procfs */
1329                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1330                     break;
1331                 default:
1332                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1333                     break;
1334                 }
1335 #else
1336                 static int warned;
1337                 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1338                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1339 #endif
1340                 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1341             }
1342             io->Information = sizeof(*info);
1343             io->u.Status = STATUS_SUCCESS;
1344         }
1345         break;
1346     case FileFsAttributeInformation:
1347         FIXME( "%p: attribute info not supported\n", handle );
1348         break;
1349     case FileFsControlInformation:
1350         FIXME( "%p: control info not supported\n", handle );
1351         break;
1352     case FileFsFullSizeInformation:
1353         FIXME( "%p: full size info not supported\n", handle );
1354         break;
1355     case FileFsObjectIdInformation:
1356         FIXME( "%p: object id info not supported\n", handle );
1357         break;
1358     case FileFsMaximumInformation:
1359         FIXME( "%p: maximum info not supported\n", handle );
1360         break;
1361     default:
1362         io->u.Status = STATUS_INVALID_PARAMETER;
1363         break;
1364     }
1365     wine_server_release_fd( handle, fd );
1366     return io->u.Status;
1367 }
1368
1369
1370 /******************************************************************
1371  *              NtFlushBuffersFile  (NTDLL.@)
1372  *
1373  * Flush any buffered data on an open file handle.
1374  *
1375  * PARAMS
1376  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1377  *  IoStatusBlock      [O] Receives information about the operation on return
1378  *
1379  * RETURNS
1380  *  Success: 0. IoStatusBlock is updated.
1381  *  Failure: An NTSTATUS error code describing the error.
1382  */
1383 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1384 {
1385     NTSTATUS ret;
1386     HANDLE hEvent = NULL;
1387
1388     SERVER_START_REQ( flush_file )
1389     {
1390         req->handle = hFile;
1391         ret = wine_server_call( req );
1392         hEvent = reply->event;
1393     }
1394     SERVER_END_REQ;
1395     if (!ret && hEvent)
1396     {
1397         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1398         NtClose( hEvent );
1399     }
1400     return ret;
1401 }
1402
1403 /******************************************************************
1404  *              NtLockFile       (NTDLL.@)
1405  *
1406  *
1407  */
1408 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1409                             PIO_APC_ROUTINE apc, void* apc_user,
1410                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1411                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1412                             BOOLEAN exclusive )
1413 {
1414     NTSTATUS    ret;
1415     HANDLE      handle;
1416     BOOLEAN     async;
1417
1418     if (apc || io_status || key)
1419     {
1420         FIXME("Unimplemented yet parameter\n");
1421         return STATUS_NOT_IMPLEMENTED;
1422     }
1423
1424     for (;;)
1425     {
1426         SERVER_START_REQ( lock_file )
1427         {
1428             req->handle      = hFile;
1429             req->offset_low  = offset->u.LowPart;
1430             req->offset_high = offset->u.HighPart;
1431             req->count_low   = count->u.LowPart;
1432             req->count_high  = count->u.HighPart;
1433             req->shared      = !exclusive;
1434             req->wait        = !dont_wait;
1435             ret = wine_server_call( req );
1436             handle = reply->handle;
1437             async  = reply->overlapped;
1438         }
1439         SERVER_END_REQ;
1440         if (ret != STATUS_PENDING)
1441         {
1442             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1443             return ret;
1444         }
1445
1446         if (async)
1447         {
1448             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1449             if (handle) NtClose( handle );
1450             return STATUS_PENDING;
1451         }
1452         if (handle)
1453         {
1454             NtWaitForSingleObject( handle, FALSE, NULL );
1455             NtClose( handle );
1456         }
1457         else
1458         {
1459             LARGE_INTEGER time;
1460
1461             /* Unix lock conflict, sleep a bit and retry */
1462             time.QuadPart = 100 * (ULONGLONG)10000;
1463             time.QuadPart = -time.QuadPart;
1464             NtDelayExecution( FALSE, &time );
1465         }
1466     }
1467 }
1468
1469
1470 /******************************************************************
1471  *              NtUnlockFile    (NTDLL.@)
1472  *
1473  *
1474  */
1475 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1476                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
1477                               PULONG key )
1478 {
1479     NTSTATUS status;
1480
1481     TRACE( "%p %lx%08lx %lx%08lx\n",
1482            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1483
1484     if (io_status || key)
1485     {
1486         FIXME("Unimplemented yet parameter\n");
1487         return STATUS_NOT_IMPLEMENTED;
1488     }
1489
1490     SERVER_START_REQ( unlock_file )
1491     {
1492         req->handle      = hFile;
1493         req->offset_low  = offset->u.LowPart;
1494         req->offset_high = offset->u.HighPart;
1495         req->count_low   = count->u.LowPart;
1496         req->count_high  = count->u.HighPart;
1497         status = wine_server_call( req );
1498     }
1499     SERVER_END_REQ;
1500     return status;
1501 }