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 #ifdef HAVE_IOKIT_IOKITLIB_H
  61 # include <IOKit/IOKitLib.h>
  62 # include <CoreFoundation/CFNumber.h> /* for kCFBooleanTrue, kCFBooleanFalse */
  63 # include <paths.h>
  64 #endif
  65
  66 #define NONAMELESSUNION
  67 #define NONAMELESSSTRUCT
  68 #include "wine/unicode.h"
  69 #include "wine/debug.h"
  70 #include "thread.h"
  71 #include "wine/server.h"
  72 #include "ntdll_misc.h"
  73
  74 #include "winternl.h"
  75 #include "winioctl.h"
  76
  77 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  78
  79 mode_t FILE_umask = 0;
  80
  81 #define SECSPERDAY         86400
  82 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  83
  84 /**************************************************************************
  85  *                 NtOpenFile                           [NTDLL.@]
  86  *                 ZwOpenFile                           [NTDLL.@]
  87  *
  88  * Open a file.
  89  *
  90  * PARAMS
  91  *  handle    [O] Variable that receives the file handle on return
  92  *  access    [I] Access desired by the caller to the file
  93  *  attr      [I] Structure describing the file to be opened
  94  *  io        [O] Receives details about the result of the operation
  95  *  sharing   [I] Type of shared access the caller requires
  96  *  options   [I] Options for the file open
  97  *
  98  * RETURNS
  99  *  Success: 0. FileHandle and IoStatusBlock are updated.
 100  *  Failure: An NTSTATUS error code describing the error.
 101  */
 102 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
 103                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
 104                             ULONG sharing, ULONG options )
 105 {
 106     return NtCreateFile( handle, access, attr, io, NULL, 0,
 107                          sharing, FILE_OPEN, options, NULL, 0 );
 108 }
 109
 110 /**************************************************************************
 111  *              NtCreateFile                            [NTDLL.@]
 112  *              ZwCreateFile                            [NTDLL.@]
 113  *
 114  * Either create a new file or directory, or open an existing file, device,
 115  * directory or volume.
 116  *
 117  * PARAMS
 118  *      handle       [O] Points to a variable which receives the file handle on return
 119  *      access       [I] Desired access to the file
 120  *      attr         [I] Structure describing the file
 121  *      io           [O] Receives information about the operation on return
 122  *      alloc_size   [I] Initial size of the file in bytes
 123  *      attributes   [I] Attributes to create the file with
 124  *      sharing      [I] Type of shared access the caller would like to the file
 125  *      disposition  [I] Specifies what to do, depending on whether the file already exists
 126  *      options      [I] Options for creating a new file
 127  *      ea_buffer    [I] Pointer to an extended attributes buffer
 128  *      ea_length    [I] Length of ea_buffer
 129  *
 130  * RETURNS
 131  *  Success: 0. handle and io are updated.
 132  *  Failure: An NTSTATUS error code describing the error.
 133  */
 134 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 135                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 136                               ULONG attributes, ULONG sharing, ULONG disposition,
 137                               ULONG options, PVOID ea_buffer, ULONG ea_length )
 138 {
 139     static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
 140     static const WCHAR mailslotW[] = {'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
 141     ANSI_STRING unix_name;
 142     int created = FALSE;
 143
 144     TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
 145           "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
 146           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
 147           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
 148           attributes, sharing, disposition, options, ea_buffer, ea_length );
 149
 150     if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
 151
 152     if (attr->RootDirectory)
 153     {
 154         FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
 155         return STATUS_OBJECT_NAME_NOT_FOUND;
 156     }
 157     if (alloc_size) FIXME( "alloc_size not supported\n" );
 158
 159     /* check for named pipe */
 160
 161     if (attr->ObjectName->Length > sizeof(pipeW) &&
 162         !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
 163     {
 164         SERVER_START_REQ( open_named_pipe )
 165         {
 166             req->access = access;
 167             req->flags = options;
 168             req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
 169             wine_server_add_data( req, attr->ObjectName->Buffer + 4,
 170                                   attr->ObjectName->Length - 4*sizeof(WCHAR) );
 171             io->u.Status = wine_server_call( req );
 172             *handle = reply->handle;
 173         }
 174         SERVER_END_REQ;
 175         return io->u.Status;
 176     }
 177
 178     /* check for mailslot */
 179
 180     if (attr->ObjectName->Length > sizeof(mailslotW) &&
 181         !memicmpW( attr->ObjectName->Buffer, mailslotW, sizeof(mailslotW)/sizeof(WCHAR) ))
 182     {
 183         SERVER_START_REQ( open_mailslot )
 184         {
 185             req->access = access & GENERIC_WRITE;
 186             req->sharing = sharing;
 187             req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
 188             wine_server_add_data( req, attr->ObjectName->Buffer + 4,
 189                                   attr->ObjectName->Length - 4*sizeof(WCHAR) );
 190             io->u.Status = wine_server_call( req );
 191             *handle = reply->handle;
 192         }
 193         SERVER_END_REQ;
 194         return io->u.Status;
 195     }
 196
 197     io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
 198                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
 199
 200     if (io->u.Status == STATUS_NO_SUCH_FILE &&
 201         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
 202     {
 203         created = TRUE;
 204         io->u.Status = STATUS_SUCCESS;
 205     }
 206
 207     if (io->u.Status == STATUS_SUCCESS)
 208     {
 209         SERVER_START_REQ( create_file )
 210         {
 211             req->access     = access;
 212             req->inherit    = (attr->Attributes & OBJ_INHERIT) != 0;
 213             req->sharing    = sharing;
 214             req->create     = disposition;
 215             req->options    = options;
 216             req->attrs      = attributes;
 217             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
 218             io->u.Status = wine_server_call( req );
 219             *handle = reply->handle;
 220         }
 221         SERVER_END_REQ;
 222         RtlFreeAnsiString( &unix_name );
 223     }
 224     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
 225
 226     if (io->u.Status == STATUS_SUCCESS)
 227     {
 228         if (created) io->Information = FILE_CREATED;
 229         else switch(disposition)
 230         {
 231         case FILE_SUPERSEDE:
 232             io->Information = FILE_SUPERSEDED;
 233             break;
 234         case FILE_CREATE:
 235             io->Information = FILE_CREATED;
 236             break;
 237         case FILE_OPEN:
 238         case FILE_OPEN_IF:
 239             io->Information = FILE_OPENED;
 240             break;
 241         case FILE_OVERWRITE:
 242         case FILE_OVERWRITE_IF:
 243             io->Information = FILE_OVERWRITTEN;
 244             break;
 245         }
 246     }
 247
 248     return io->u.Status;
 249 }
 250
 251 /***********************************************************************
 252  *                  Asynchronous file I/O                              *
 253  */
 254 static void WINAPI FILE_AsyncReadService(void*, PIO_STATUS_BLOCK, ULONG);
 255 static void WINAPI FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK, ULONG);
 256
 257 typedef struct async_fileio
 258 {
 259     HANDLE              handle;
 260     PIO_APC_ROUTINE     apc;
 261     void*               apc_user;
 262     char*               buffer;
 263     unsigned int        count;
 264     off_t               offset;
 265     int                 queue_apc_on_error;
 266     BOOL                avail_mode;
 267     int                 fd;
 268     HANDLE              event;
 269 } async_fileio;
 270
 271 static void fileio_terminate(async_fileio *fileio, IO_STATUS_BLOCK* iosb)
 272 {
 273     TRACE("data: %p\n", fileio);
 274
 275     wine_server_release_fd( fileio->handle, fileio->fd );
 276     if ( fileio->event != INVALID_HANDLE_VALUE )
 277         NtSetEvent( fileio->event, NULL );
 278
 279     if (fileio->apc &&
 280         (iosb->u.Status == STATUS_SUCCESS || fileio->queue_apc_on_error))
 281         fileio->apc( fileio->apc_user, iosb, iosb->Information );
 282
 283     RtlFreeHeap( GetProcessHeap(), 0, fileio );
 284 }
 285
 286
 287 static ULONG fileio_queue_async(async_fileio* fileio, IO_STATUS_BLOCK* iosb,
 288                                 BOOL do_read)
 289 {
 290     PIO_APC_ROUTINE     apc = do_read ? FILE_AsyncReadService : FILE_AsyncWriteService;
 291     NTSTATUS            status;
 292
 293     SERVER_START_REQ( register_async )
 294     {
 295         req->handle = fileio->handle;
 296         req->io_apc = apc;
 297         req->io_sb = iosb;
 298         req->io_user = fileio;
 299         req->type = do_read ? ASYNC_TYPE_READ : ASYNC_TYPE_WRITE;
 300         req->count = (fileio->count < iosb->Information) ?
 301             0 : fileio->count - iosb->Information;
 302         status = wine_server_call( req );
 303     }
 304     SERVER_END_REQ;
 305
 306     if ( status ) iosb->u.Status = status;
 307     if ( iosb->u.Status != STATUS_PENDING )
 308     {
 309         (apc)( fileio, iosb, iosb->u.Status );
 310         return iosb->u.Status;
 311     }
 312     NtCurrentTeb()->num_async_io++;
 313     return STATUS_SUCCESS;
 314 }
 315
 316 /***********************************************************************
 317  *           FILE_GetNtStatus(void)
 318  *
 319  * Retrieve the Nt Status code from errno.
 320  * Try to be consistent with FILE_SetDosError().
 321  */
 322 NTSTATUS FILE_GetNtStatus(void)
 323 {
 324     int err = errno;
 325
 326     TRACE( "errno = %d\n", errno );
 327     switch (err)
 328     {
 329     case EAGAIN:    return STATUS_SHARING_VIOLATION;
 330     case EBADF:     return STATUS_INVALID_HANDLE;
 331     case ENOSPC:    return STATUS_DISK_FULL;
 332     case EPERM:
 333     case EROFS:
 334     case EACCES:    return STATUS_ACCESS_DENIED;
 335     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
 336     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
 337     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
 338     case EMFILE:
 339     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
 340     case EINVAL:    return STATUS_INVALID_PARAMETER;
 341     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
 342     case EPIPE:     return STATUS_PIPE_BROKEN;
 343     case EIO:       return STATUS_DEVICE_NOT_READY;
 344 #ifdef ENOMEDIUM
 345     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
 346 #endif
 347     case ENOTTY:
 348     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
 349     case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
 350     case ENOEXEC:   /* ?? */
 351     case ESPIPE:    /* ?? */
 352     case EEXIST:    /* ?? */
 353     default:
 354         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 355         return STATUS_UNSUCCESSFUL;
 356     }
 357 }
 358
 359 /***********************************************************************
 360  *             FILE_AsyncReadService      (INTERNAL)
 361  *
 362  *  This function is called while the client is waiting on the
 363  *  server, so we can't make any server calls here.
 364  */
 365 static void WINAPI FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
 366 {
 367     async_fileio *fileio = (async_fileio*)user;
 368     int result;
 369     int already = iosb->Information;
 370
 371     TRACE("%p %p 0x%lx\n", iosb, fileio->buffer, status);
 372
 373     switch (status)
 374     {
 375     case STATUS_ALERTED: /* got some new data */
 376         if (iosb->u.Status != STATUS_PENDING) FIXME("unexpected status %08lx\n", iosb->u.Status);
 377         /* check to see if the data is ready (non-blocking) */
 378         if ( fileio->avail_mode )
 379             result = read(fileio->fd, &fileio->buffer[already],
 380                           fileio->count - already);
 381         else
 382         {
 383             result = pread(fileio->fd, &fileio->buffer[already],
 384                            fileio->count - already,
 385                            fileio->offset + already);
 386             if ((result < 0) && (errno == ESPIPE))
 387                 result = read(fileio->fd, &fileio->buffer[already],
 388                               fileio->count - already);
 389         }
 390
 391         if (result < 0)
 392         {
 393             if (errno == EAGAIN || errno == EINTR)
 394             {
 395                 TRACE("Deferred read %d\n", errno);
 396                 iosb->u.Status = STATUS_PENDING;
 397             }
 398             else /* check to see if the transfer is complete */
 399                 iosb->u.Status = FILE_GetNtStatus();
 400         }
 401         else if (result == 0)
 402         {
 403             iosb->u.Status = iosb->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 404         }
 405         else
 406         {
 407             iosb->Information += result;
 408             if (iosb->Information >= fileio->count || fileio->avail_mode)
 409                 iosb->u.Status = STATUS_SUCCESS;
 410             else
 411             {
 412                 /* if we only have to read the available data, and none is available,
 413                  * simply cancel the request. If data was available, it has been read
 414                  * while in by previous call (NtDelayExecution)
 415                  */
 416                 iosb->u.Status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
 417             }
 418
 419             TRACE("read %d more bytes %ld/%d so far (%s)\n",
 420                   result, iosb->Information, fileio->count,
 421                   (iosb->u.Status == STATUS_SUCCESS) ? "success" : "pending");
 422         }
 423         /* queue another async operation ? */
 424         if (iosb->u.Status == STATUS_PENDING)
 425             fileio_queue_async(fileio, iosb, TRUE);
 426         else
 427             fileio_terminate(fileio, iosb);
 428         break;
 429     default:
 430         iosb->u.Status = status;
 431         fileio_terminate(fileio, iosb);
 432         break;
 433     }
 434 }
 435
 436
 437 /******************************************************************************
 438  *  NtReadFile                                  [NTDLL.@]
 439  *  ZwReadFile                                  [NTDLL.@]
 440  *
 441  * Read from an open file handle.
 442  *
 443  * PARAMS
 444  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 445  *  Event         [I] Event to signal upon completion (or NULL)
 446  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 447  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 448  *  IoStatusBlock [O] Receives information about the operation on return
 449  *  Buffer        [O] Destination for the data read
 450  *  Length        [I] Size of Buffer
 451  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 452  *  Key           [O] Function unknown (may be NULL)
 453  *
 454  * RETURNS
 455  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 456  *           The number of bytes read.
 457  *  Failure: An NTSTATUS error code describing the error.
 458  */
 459 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 460                            PIO_APC_ROUTINE apc, void* apc_user,
 461                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 462                            PLARGE_INTEGER offset, PULONG key)
 463 {
 464     int unix_handle, flags;
 465
 466     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
 467           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 468
 469     if (!io_status) return STATUS_ACCESS_VIOLATION;
 470
 471     io_status->Information = 0;
 472     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &flags );
 473     if (io_status->u.Status) return io_status->u.Status;
 474
 475     if (flags & FD_FLAG_RECV_SHUTDOWN)
 476     {
 477         wine_server_release_fd( hFile, unix_handle );
 478         return STATUS_PIPE_DISCONNECTED;
 479     }
 480
 481     if (flags & FD_FLAG_TIMEOUT)
 482     {
 483         if (hEvent)
 484         {
 485             /* this shouldn't happen, but check it */
 486             FIXME("NIY-hEvent\n");
 487             wine_server_release_fd( hFile, unix_handle );
 488             return STATUS_NOT_IMPLEMENTED;
 489         }
 490         io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
 491         if (io_status->u.Status)
 492         {
 493             wine_server_release_fd( hFile, unix_handle );
 494             return io_status->u.Status;
 495         }
 496     }
 497
 498     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 499     {
 500         async_fileio*   fileio;
 501         NTSTATUS ret;
 502
 503         if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
 504         {
 505             wine_server_release_fd( hFile, unix_handle );
 506             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 507             return STATUS_NO_MEMORY;
 508         }
 509         fileio->handle = hFile;
 510         fileio->count = length;
 511         if ( offset == NULL )
 512             fileio->offset = 0;
 513         else
 514         {
 515             fileio->offset = offset->QuadPart;
 516             if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
 517                 FIXME("High part of offset is lost\n");
 518         }
 519         fileio->apc = apc;
 520         fileio->apc_user = apc_user;
 521         fileio->buffer = buffer;
 522         fileio->queue_apc_on_error = 0;
 523         fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
 524         fileio->fd = unix_handle;  /* FIXME */
 525         fileio->event = hEvent;
 526         NtResetEvent(hEvent, NULL);
 527
 528         io_status->u.Status = STATUS_PENDING;
 529         ret = fileio_queue_async(fileio, io_status, TRUE);
 530         if (ret != STATUS_SUCCESS)
 531         {
 532             wine_server_release_fd( hFile, unix_handle );
 533             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 534             return ret;
 535         }
 536         if (flags & FD_FLAG_TIMEOUT)
 537         {
 538             do
 539             {
 540                 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
 541             }
 542             while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
 543             NtClose(hEvent);
 544             if (ret != STATUS_USER_APC)
 545                 fileio->queue_apc_on_error = 1;
 546         }
 547         else
 548         {
 549             LARGE_INTEGER   timeout;
 550
 551             /* let some APC be run, this will read some already pending data */
 552             timeout.u.LowPart = timeout.u.HighPart = 0;
 553             ret = NtDelayExecution( TRUE, &timeout );
 554             /* the apc didn't run and therefore the completion routine now
 555              * needs to be sent errors.
 556              * Note that there is no race between setting this flag and
 557              * returning errors because apc's are run only during alertable
 558              * waits */
 559             if (ret != STATUS_USER_APC)
 560                 fileio->queue_apc_on_error = 1;
 561         }
 562         TRACE("= 0x%08lx\n", io_status->u.Status);
 563         return io_status->u.Status;
 564     }
 565
 566     if (offset)
 567     {
 568         FILE_POSITION_INFORMATION   fpi;
 569
 570         fpi.CurrentByteOffset = *offset;
 571         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 572                                                    FilePositionInformation);
 573         if (io_status->u.Status)
 574         {
 575             wine_server_release_fd( hFile, unix_handle );
 576             return io_status->u.Status;
 577         }
 578     }
 579     /* code for synchronous reads */
 580     while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
 581     {
 582         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 583         if (errno == EFAULT)
 584         {
 585             io_status->Information = 0;
 586             io_status->u.Status = STATUS_ACCESS_VIOLATION;
 587         }
 588         else io_status->u.Status = FILE_GetNtStatus();
 589         break;
 590     }
 591     wine_server_release_fd( hFile, unix_handle );
 592     TRACE("= 0x%08lx\n", io_status->u.Status);
 593     return io_status->u.Status;
 594 }
 595
 596 /***********************************************************************
 597  *             FILE_AsyncWriteService      (INTERNAL)
 598  *
 599  *  This function is called while the client is waiting on the
 600  *  server, so we can't make any server calls here.
 601  */
 602 static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
 603 {
 604     async_fileio *fileio = (async_fileio *) ovp;
 605     int result;
 606     int already = iosb->Information;
 607
 608     TRACE("(%p %p 0x%lx)\n",iosb, fileio->buffer, status);
 609
 610     switch (status)
 611     {
 612     case STATUS_ALERTED:
 613         /* write some data (non-blocking) */
 614         if ( fileio->avail_mode )
 615             result = write(fileio->fd, &fileio->buffer[already],
 616                            fileio->count - already);
 617         else
 618         {
 619             result = pwrite(fileio->fd, &fileio->buffer[already],
 620                             fileio->count - already, fileio->offset + already);
 621             if ((result < 0) && (errno == ESPIPE))
 622                 result = write(fileio->fd, &fileio->buffer[already],
 623                                fileio->count - already);
 624         }
 625
 626         if (result < 0)
 627         {
 628             if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
 629             else iosb->u.Status = FILE_GetNtStatus();
 630         }
 631         else
 632         {
 633             iosb->Information += result;
 634             iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 635             TRACE("wrote %d more bytes %ld/%d so far\n",
 636                   result, iosb->Information, fileio->count);
 637         }
 638         if (iosb->u.Status == STATUS_PENDING)
 639             fileio_queue_async(fileio, iosb, FALSE);
 640         else
 641             fileio_terminate(fileio, iosb);
 642         break;
 643     default:
 644         iosb->u.Status = status;
 645         fileio_terminate(fileio, iosb);
 646         break;
 647     }
 648 }
 649
 650 /******************************************************************************
 651  *  NtWriteFile                                 [NTDLL.@]
 652  *  ZwWriteFile                                 [NTDLL.@]
 653  *
 654  * Write to an open file handle.
 655  *
 656  * PARAMS
 657  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 658  *  Event         [I] Event to signal upon completion (or NULL)
 659  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 660  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 661  *  IoStatusBlock [O] Receives information about the operation on return
 662  *  Buffer        [I] Source for the data to write
 663  *  Length        [I] Size of Buffer
 664  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 665  *  Key           [O] Function unknown (may be NULL)
 666  *
 667  * RETURNS
 668  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 669  *           The number of bytes written.
 670  *  Failure: An NTSTATUS error code describing the error.
 671  */
 672 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 673                             PIO_APC_ROUTINE apc, void* apc_user,
 674                             PIO_STATUS_BLOCK io_status,
 675                             const void* buffer, ULONG length,
 676                             PLARGE_INTEGER offset, PULONG key)
 677 {
 678     int unix_handle, flags;
 679
 680     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
 681           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 682
 683     if (!io_status) return STATUS_ACCESS_VIOLATION;
 684
 685     io_status->Information = 0;
 686     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
 687     if (io_status->u.Status) return io_status->u.Status;
 688
 689     if (flags & FD_FLAG_SEND_SHUTDOWN)
 690     {
 691         wine_server_release_fd( hFile, unix_handle );
 692         return STATUS_PIPE_DISCONNECTED;
 693     }
 694
 695     if (flags & FD_FLAG_TIMEOUT)
 696     {
 697         if (hEvent)
 698         {
 699             /* this shouldn't happen, but check it */
 700             FIXME("NIY-hEvent\n");
 701             wine_server_release_fd( hFile, unix_handle );
 702             return STATUS_NOT_IMPLEMENTED;
 703         }
 704         io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
 705         if (io_status->u.Status)
 706         {
 707             wine_server_release_fd( hFile, unix_handle );
 708             return io_status->u.Status;
 709         }
 710     }
 711
 712     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 713     {
 714         async_fileio*   fileio;
 715         NTSTATUS ret;
 716
 717         if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
 718         {
 719             wine_server_release_fd( hFile, unix_handle );
 720             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 721             return STATUS_NO_MEMORY;
 722         }
 723         fileio->handle = hFile;
 724         fileio->count = length;
 725         if (offset)
 726         {
 727             fileio->offset = offset->QuadPart;
 728             if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
 729                 FIXME("High part of offset is lost\n");
 730         }
 731         else
 732         {
 733             fileio->offset = 0;
 734         }
 735         fileio->apc = apc;
 736         fileio->apc_user = apc_user;
 737         fileio->buffer = (void*)buffer;
 738         fileio->queue_apc_on_error = 0;
 739         fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
 740         fileio->fd = unix_handle;  /* FIXME */
 741         fileio->event = hEvent;
 742         NtResetEvent(hEvent, NULL);
 743
 744         io_status->Information = 0;
 745         io_status->u.Status = STATUS_PENDING;
 746         ret = fileio_queue_async(fileio, io_status, FALSE);
 747         if (ret != STATUS_SUCCESS)
 748         {
 749             wine_server_release_fd( hFile, unix_handle );
 750             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 751             return ret;
 752         }
 753         if (flags & FD_FLAG_TIMEOUT)
 754         {
 755             do
 756             {
 757                 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
 758             }
 759             while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
 760             NtClose(hEvent);
 761             if (ret != STATUS_USER_APC)
 762                 fileio->queue_apc_on_error = 1;
 763         }
 764         else
 765         {
 766             LARGE_INTEGER   timeout;
 767
 768             /* let some APC be run, this will write as much data as possible */
 769             timeout.u.LowPart = timeout.u.HighPart = 0;
 770             ret = NtDelayExecution( TRUE, &timeout );
 771             /* the apc didn't run and therefore the completion routine now
 772              * needs to be sent errors.
 773              * Note that there is no race between setting this flag and
 774              * returning errors because apc's are run only during alertable
 775              * waits */
 776             if (ret != STATUS_USER_APC)
 777                 fileio->queue_apc_on_error = 1;
 778         }
 779         return io_status->u.Status;
 780     }
 781
 782     if (offset)
 783     {
 784         FILE_POSITION_INFORMATION   fpi;
 785
 786         fpi.CurrentByteOffset = *offset;
 787         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 788                                                    FilePositionInformation);
 789         if (io_status->u.Status)
 790         {
 791             wine_server_release_fd( hFile, unix_handle );
 792             return io_status->u.Status;
 793         }
 794     }
 795
 796     /* synchronous file write */
 797     while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
 798     {
 799         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 800         if (errno == EFAULT)
 801         {
 802             io_status->Information = 0;
 803             io_status->u.Status = STATUS_INVALID_USER_BUFFER;
 804         }
 805         else if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
 806         else io_status->u.Status = FILE_GetNtStatus();
 807         break;
 808     }
 809     wine_server_release_fd( hFile, unix_handle );
 810     return io_status->u.Status;
 811 }
 812
 813 /**************************************************************************
 814  *              NtDeviceIoControlFile                   [NTDLL.@]
 815  *              ZwDeviceIoControlFile                   [NTDLL.@]
 816  *
 817  * Perform an I/O control operation on an open file handle.
 818  *
 819  * PARAMS
 820  *  DeviceHandle     [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 821  *  Event            [I] Event to signal upon completion (or NULL)
 822  *  ApcRoutine       [I] Callback to call upon completion (or NULL)
 823  *  ApcContext       [I] Context for ApcRoutine (or NULL)
 824  *  IoStatusBlock    [O] Receives information about the operation on return
 825  *  IoControlCode    [I] Control code for the operation to perform
 826  *  InputBuffer      [I] Source for any input data required (or NULL)
 827  *  InputBufferSize  [I] Size of InputBuffer
 828  *  OutputBuffer     [O] Source for any output data returned (or NULL)
 829  *  OutputBufferSize [I] Size of OutputBuffer
 830  *
 831  * RETURNS
 832  *  Success: 0. IoStatusBlock is updated.
 833  *  Failure: An NTSTATUS error code describing the error.
 834  */
 835 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
 836                                       PIO_APC_ROUTINE UserApcRoutine,
 837                                       PVOID UserApcContext,
 838                                       PIO_STATUS_BLOCK IoStatusBlock,
 839                                       ULONG IoControlCode,
 840                                       PVOID InputBuffer,
 841                                       ULONG InputBufferSize,
 842                                       PVOID OutputBuffer,
 843                                       ULONG OutputBufferSize)
 844 {
 845     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
 846           DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
 847           IoStatusBlock, IoControlCode,
 848           InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
 849
 850     if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
 851                               UserApcRoutine, UserApcContext,
 852                               IoStatusBlock, IoControlCode,
 853                               InputBuffer, InputBufferSize,
 854                               OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
 855     {
 856         /* it wasn't a CDROM */
 857         FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
 858         IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
 859         IoStatusBlock->Information = 0;
 860         if (hEvent) NtSetEvent(hEvent, NULL);
 861     }
 862     return IoStatusBlock->u.Status;
 863 }
 864
 865 /******************************************************************************
 866  * NtFsControlFile [NTDLL.@]
 867  * ZwFsControlFile [NTDLL.@]
 868  */
 869 NTSTATUS WINAPI NtFsControlFile(
 870         IN HANDLE DeviceHandle,
 871         IN HANDLE Event OPTIONAL,
 872         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 873         IN PVOID ApcContext OPTIONAL,
 874         OUT PIO_STATUS_BLOCK IoStatusBlock,
 875         IN ULONG IoControlCode,
 876         IN PVOID InputBuffer,
 877         IN ULONG InputBufferSize,
 878         OUT PVOID OutputBuffer,
 879         IN ULONG OutputBufferSize)
 880 {
 881         FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
 882         DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
 883         InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
 884         return 0;
 885 }
 886
 887 /******************************************************************************
 888  *  NtSetVolumeInformationFile          [NTDLL.@]
 889  *  ZwSetVolumeInformationFile          [NTDLL.@]
 890  *
 891  * Set volume information for an open file handle.
 892  *
 893  * PARAMS
 894  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 895  *  IoStatusBlock      [O] Receives information about the operation on return
 896  *  FsInformation      [I] Source for volume information
 897  *  Length             [I] Size of FsInformation
 898  *  FsInformationClass [I] Type of volume information to set
 899  *
 900  * RETURNS
 901  *  Success: 0. IoStatusBlock is updated.
 902  *  Failure: An NTSTATUS error code describing the error.
 903  */
 904 NTSTATUS WINAPI NtSetVolumeInformationFile(
 905         IN HANDLE FileHandle,
 906         PIO_STATUS_BLOCK IoStatusBlock,
 907         PVOID FsInformation,
 908         ULONG Length,
 909         FS_INFORMATION_CLASS FsInformationClass)
 910 {
 911         FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
 912         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
 913         return 0;
 914 }
 915
 916 /******************************************************************************
 917  *  NtQueryInformationFile              [NTDLL.@]
 918  *  ZwQueryInformationFile              [NTDLL.@]
 919  *
 920  * Get information about an open file handle.
 921  *
 922  * PARAMS
 923  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 924  *  io       [O] Receives information about the operation on return
 925  *  ptr      [O] Destination for file information
 926  *  len      [I] Size of FileInformation
 927  *  class    [I] Type of file information to get
 928  *
 929  * RETURNS
 930  *  Success: 0. IoStatusBlock and FileInformation are updated.
 931  *  Failure: An NTSTATUS error code describing the error.
 932  */
 933 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
 934                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
 935 {
 936     static const size_t info_sizes[] =
 937     {
 938         0,
 939         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
 940         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
 941         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
 942         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
 943         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
 944         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
 945         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
 946         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
 947         sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR),   /* FileNameInformation */
 948         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
 949         0,                                             /* FileLinkInformation */
 950         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
 951         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
 952         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
 953         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
 954         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
 955         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
 956         sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR),    /* FileAllInformation */
 957         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
 958         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
 959         0,                                             /* FileAlternateNameInformation */
 960         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
 961         0,                                             /* FilePipeInformation */
 962         0,                                             /* FilePipeLocalInformation */
 963         0,                                             /* FilePipeRemoteInformation */
 964         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
 965         0,                                             /* FileMailslotSetInformation */
 966         0,                                             /* FileCompressionInformation */
 967         0,                                             /* FileObjectIdInformation */
 968         0,                                             /* FileCompletionInformation */
 969         0,                                             /* FileMoveClusterInformation */
 970         0,                                             /* FileQuotaInformation */
 971         0,                                             /* FileReparsePointInformation */
 972         0,                                             /* FileNetworkOpenInformation */
 973         0,                                             /* FileAttributeTagInformation */
 974         0                                              /* FileTrackingInformation */
 975     };
 976
 977     struct stat st;
 978     int fd;
 979
 980     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
 981
 982     io->Information = 0;
 983
 984     if (class <= 0 || class >= FileMaximumInformation)
 985         return io->u.Status = STATUS_INVALID_INFO_CLASS;
 986     if (!info_sizes[class])
 987     {
 988         FIXME("Unsupported class (%d)\n", class);
 989         return io->u.Status = STATUS_NOT_IMPLEMENTED;
 990     }
 991     if (len < info_sizes[class])
 992         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
 993
 994     if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
 995         return io->u.Status;
 996
 997     switch (class)
 998     {
 999     case FileBasicInformation:
1000         {
1001             FILE_BASIC_INFORMATION *info = ptr;
1002
1003             if (fstat( fd, &st ) == -1)
1004                 io->u.Status = FILE_GetNtStatus();
1005             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1006                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1007             else
1008             {
1009                 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1010                 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1011                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1012                     info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1013                 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1014                 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1015                 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1016                 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1017             }
1018         }
1019         break;
1020     case FileStandardInformation:
1021         {
1022             FILE_STANDARD_INFORMATION *info = ptr;
1023
1024             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1025             else
1026             {
1027                 if ((info->Directory = S_ISDIR(st.st_mode)))
1028                 {
1029                     info->AllocationSize.QuadPart = 0;
1030                     info->EndOfFile.QuadPart      = 0;
1031                     info->NumberOfLinks           = 1;
1032                     info->DeletePending           = FALSE;
1033                 }
1034                 else
1035                 {
1036                     info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1037                     info->EndOfFile.QuadPart      = st.st_size;
1038                     info->NumberOfLinks           = st.st_nlink;
1039                     info->DeletePending           = FALSE; /* FIXME */
1040                 }
1041             }
1042         }
1043         break;
1044     case FilePositionInformation:
1045         {
1046             FILE_POSITION_INFORMATION *info = ptr;
1047             off_t res = lseek( fd, 0, SEEK_CUR );
1048             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1049             else info->CurrentByteOffset.QuadPart = res;
1050         }
1051         break;
1052     case FileInternalInformation:
1053         {
1054             FILE_INTERNAL_INFORMATION *info = ptr;
1055
1056             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1057             else info->IndexNumber.QuadPart = st.st_ino;
1058         }
1059         break;
1060     case FileEaInformation:
1061         {
1062             FILE_EA_INFORMATION *info = ptr;
1063             info->EaSize = 0;
1064         }
1065         break;
1066     case FileEndOfFileInformation:
1067         {
1068             FILE_END_OF_FILE_INFORMATION *info = ptr;
1069
1070             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1071             else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1072         }
1073         break;
1074     case FileAllInformation:
1075         {
1076             FILE_ALL_INFORMATION *info = ptr;
1077
1078             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1079             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1080                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1081             else
1082             {
1083                 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1084                 {
1085                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1086                     info->StandardInformation.AllocationSize.QuadPart = 0;
1087                     info->StandardInformation.EndOfFile.QuadPart      = 0;
1088                     info->StandardInformation.NumberOfLinks           = 1;
1089                     info->StandardInformation.DeletePending           = FALSE;
1090                 }
1091                 else
1092                 {
1093                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1094                     info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1095                     info->StandardInformation.EndOfFile.QuadPart      = st.st_size;
1096                     info->StandardInformation.NumberOfLinks           = st.st_nlink;
1097                     info->StandardInformation.DeletePending           = FALSE; /* FIXME */
1098                 }
1099                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1100                     info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1101                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1102                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1103                 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1104                 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1105                 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1106                 info->EaInformation.EaSize = 0;
1107                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1108                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1109                 info->ModeInformation.Mode = 0;  /* FIXME */
1110                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1111                 info->NameInformation.FileNameLength = 0;
1112                 io->Information = sizeof(*info) - sizeof(WCHAR);
1113             }
1114         }
1115         break;
1116     case FileMailslotQueryInformation:
1117         {
1118             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1119
1120             SERVER_START_REQ( set_mailslot_info )
1121             {
1122                 req->handle = hFile;
1123                 req->flags = 0;
1124                 io->u.Status = wine_server_call( req );
1125                 if( io->u.Status == STATUS_SUCCESS )
1126                 {
1127                     info->MaximumMessageSize = reply->max_msgsize;
1128                     info->MailslotQuota = 0;
1129                     info->NextMessageSize = reply->next_msgsize;
1130                     info->MessagesAvailable = reply->msg_count;
1131                     info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
1132                 }
1133             }
1134             SERVER_END_REQ;
1135         }
1136         break;
1137     default:
1138         FIXME("Unsupported class (%d)\n", class);
1139         io->u.Status = STATUS_NOT_IMPLEMENTED;
1140         break;
1141     }
1142     wine_server_release_fd( hFile, fd );
1143     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1144     return io->u.Status;
1145 }
1146
1147 /******************************************************************************
1148  *  NtSetInformationFile                [NTDLL.@]
1149  *  ZwSetInformationFile                [NTDLL.@]
1150  *
1151  * Set information about an open file handle.
1152  *
1153  * PARAMS
1154  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1155  *  io      [O] Receives information about the operation on return
1156  *  ptr     [I] Source for file information
1157  *  len     [I] Size of FileInformation
1158  *  class   [I] Type of file information to set
1159  *
1160  * RETURNS
1161  *  Success: 0. io is updated.
1162  *  Failure: An NTSTATUS error code describing the error.
1163  */
1164 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1165                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1166 {
1167     int fd;
1168
1169     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1170
1171     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1172         return io->u.Status;
1173
1174     io->u.Status = STATUS_SUCCESS;
1175     switch (class)
1176     {
1177     case FileBasicInformation:
1178         if (len >= sizeof(FILE_BASIC_INFORMATION))
1179         {
1180             struct stat st;
1181             const FILE_BASIC_INFORMATION *info = ptr;
1182
1183             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1184             {
1185                 ULONGLONG sec, nsec;
1186                 struct timeval tv[2];
1187
1188                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1189                 {
1190
1191                     tv[0].tv_sec = tv[0].tv_usec = 0;
1192                     tv[1].tv_sec = tv[1].tv_usec = 0;
1193                     if (!fstat( fd, &st ))
1194                     {
1195                         tv[0].tv_sec = st.st_atime;
1196                         tv[1].tv_sec = st.st_mtime;
1197                     }
1198                 }
1199                 if (info->LastAccessTime.QuadPart)
1200                 {
1201                     sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1202                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
1203                     tv[0].tv_usec = (UINT)nsec / 10;
1204                 }
1205                 if (info->LastWriteTime.QuadPart)
1206                 {
1207                     sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1208                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
1209                     tv[1].tv_usec = (UINT)nsec / 10;
1210                 }
1211                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1212             }
1213
1214             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1215             {
1216                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1217                 else
1218                 {
1219                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1220                     {
1221                         if (S_ISDIR( st.st_mode))
1222                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1223                         else
1224                             st.st_mode &= ~0222; /* clear write permission bits */
1225                     }
1226                     else
1227                     {
1228                         /* add write permission only where we already have read permission */
1229                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1230                     }
1231                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1232                 }
1233             }
1234         }
1235         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1236         break;
1237
1238     case FilePositionInformation:
1239         if (len >= sizeof(FILE_POSITION_INFORMATION))
1240         {
1241             const FILE_POSITION_INFORMATION *info = ptr;
1242
1243             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1244                 io->u.Status = FILE_GetNtStatus();
1245         }
1246         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1247         break;
1248
1249     case FileEndOfFileInformation:
1250         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1251         {
1252             struct stat st;
1253             const FILE_END_OF_FILE_INFORMATION *info = ptr;
1254
1255             /* first try normal truncate */
1256             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1257
1258             /* now check for the need to extend the file */
1259             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1260             {
1261                 static const char zero;
1262
1263                 /* extend the file one byte beyond the requested size and then truncate it */
1264                 /* this should work around ftruncate implementations that can't extend files */
1265                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1266                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1267             }
1268             io->u.Status = FILE_GetNtStatus();
1269         }
1270         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1271         break;
1272
1273     case FileMailslotSetInformation:
1274         {
1275             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1276
1277             SERVER_START_REQ( set_mailslot_info )
1278             {
1279                 req->handle = handle;
1280                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1281                 req->read_timeout = info->ReadTimeout.QuadPart / -10000;
1282                 io->u.Status = wine_server_call( req );
1283             }
1284             SERVER_END_REQ;
1285         }
1286         break;
1287
1288     default:
1289         FIXME("Unsupported class (%d)\n", class);
1290         io->u.Status = STATUS_NOT_IMPLEMENTED;
1291         break;
1292     }
1293     wine_server_release_fd( handle, fd );
1294     io->Information = 0;
1295     return io->u.Status;
1296 }
1297
1298
1299 /******************************************************************************
1300  *              NtQueryFullAttributesFile   (NTDLL.@)
1301  */
1302 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1303                                            FILE_NETWORK_OPEN_INFORMATION *info )
1304 {
1305     ANSI_STRING unix_name;
1306     NTSTATUS status;
1307
1308     if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1309                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1310     {
1311         struct stat st;
1312
1313         if (stat( unix_name.Buffer, &st ) == -1)
1314             status = FILE_GetNtStatus();
1315         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1316             status = STATUS_INVALID_INFO_CLASS;
1317         else
1318         {
1319             if (S_ISDIR(st.st_mode))
1320             {
1321                 info->FileAttributes          = FILE_ATTRIBUTE_DIRECTORY;
1322                 info->AllocationSize.QuadPart = 0;
1323                 info->EndOfFile.QuadPart      = 0;
1324             }
1325             else
1326             {
1327                 info->FileAttributes          = FILE_ATTRIBUTE_ARCHIVE;
1328                 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1329                 info->EndOfFile.QuadPart      = st.st_size;
1330             }
1331             if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1332                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1333             RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1334             RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1335             RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1336             RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1337             if (DIR_is_hidden_file( attr->ObjectName ))
1338                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1339         }
1340         RtlFreeAnsiString( &unix_name );
1341     }
1342     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1343     return status;
1344 }
1345
1346
1347 /******************************************************************************
1348  *              NtQueryAttributesFile   (NTDLL.@)
1349  *              ZwQueryAttributesFile   (NTDLL.@)
1350  */
1351 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1352 {
1353     FILE_NETWORK_OPEN_INFORMATION full_info;
1354     NTSTATUS status;
1355
1356     if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1357     {
1358         info->CreationTime.QuadPart   = full_info.CreationTime.QuadPart;
1359         info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1360         info->LastWriteTime.QuadPart  = full_info.LastWriteTime.QuadPart;
1361         info->ChangeTime.QuadPart     = full_info.ChangeTime.QuadPart;
1362         info->FileAttributes          = full_info.FileAttributes;
1363     }
1364     return status;
1365 }
1366
1367
1368 /******************************************************************************
1369  *  NtQueryVolumeInformationFile                [NTDLL.@]
1370  *  ZwQueryVolumeInformationFile                [NTDLL.@]
1371  *
1372  * Get volume information for an open file handle.
1373  *
1374  * PARAMS
1375  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1376  *  io          [O] Receives information about the operation on return
1377  *  buffer      [O] Destination for volume information
1378  *  length      [I] Size of FsInformation
1379  *  info_class  [I] Type of volume information to set
1380  *
1381  * RETURNS
1382  *  Success: 0. io and buffer are updated.
1383  *  Failure: An NTSTATUS error code describing the error.
1384  */
1385 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1386                                               PVOID buffer, ULONG length,
1387                                               FS_INFORMATION_CLASS info_class )
1388 {
1389     int fd;
1390     struct stat st;
1391
1392     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1393         return io->u.Status;
1394
1395     io->u.Status = STATUS_NOT_IMPLEMENTED;
1396     io->Information = 0;
1397
1398     switch( info_class )
1399     {
1400     case FileFsVolumeInformation:
1401         FIXME( "%p: volume info not supported\n", handle );
1402         break;
1403     case FileFsLabelInformation:
1404         FIXME( "%p: label info not supported\n", handle );
1405         break;
1406     case FileFsSizeInformation:
1407         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1408             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1409         else
1410         {
1411             FILE_FS_SIZE_INFORMATION *info = buffer;
1412
1413             if (fstat( fd, &st ) < 0)
1414             {
1415                 io->u.Status = FILE_GetNtStatus();
1416                 break;
1417             }
1418             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1419             {
1420                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1421             }
1422             else
1423             {
1424                 /* Linux's fstatvfs is buggy */
1425 #if !defined(linux) || !defined(HAVE_FSTATFS)
1426                 struct statvfs stfs;
1427
1428                 if (fstatvfs( fd, &stfs ) < 0)
1429                 {
1430                     io->u.Status = FILE_GetNtStatus();
1431                     break;
1432                 }
1433                 info->BytesPerSector = stfs.f_frsize;
1434 #else
1435                 struct statfs stfs;
1436                 if (fstatfs( fd, &stfs ) < 0)
1437                 {
1438                     io->u.Status = FILE_GetNtStatus();
1439                     break;
1440                 }
1441                 info->BytesPerSector = stfs.f_bsize;
1442 #endif
1443                 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1444                 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1445                 info->SectorsPerAllocationUnit = 1;
1446                 io->Information = sizeof(*info);
1447                 io->u.Status = STATUS_SUCCESS;
1448             }
1449         }
1450         break;
1451     case FileFsDeviceInformation:
1452         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1453             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1454         else
1455         {
1456             FILE_FS_DEVICE_INFORMATION *info = buffer;
1457
1458             info->Characteristics = 0;
1459             if (fstat( fd, &st ) < 0)
1460             {
1461                 io->u.Status = FILE_GetNtStatus();
1462                 break;
1463             }
1464             if (S_ISCHR( st.st_mode ))
1465             {
1466                 info->DeviceType = FILE_DEVICE_UNKNOWN;
1467 #ifdef linux
1468                 switch(major(st.st_rdev))
1469                 {
1470                 case MEM_MAJOR:
1471                     info->DeviceType = FILE_DEVICE_NULL;
1472                     break;
1473                 case TTY_MAJOR:
1474                     info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1475                     break;
1476                 case LP_MAJOR:
1477                     info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1478                     break;
1479                 }
1480 #endif
1481             }
1482             else if (S_ISBLK( st.st_mode ))
1483             {
1484                 info->DeviceType = FILE_DEVICE_DISK;
1485             }
1486             else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1487             {
1488                 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1489             }
1490             else  /* regular file or directory */
1491             {
1492 #if defined(linux) && defined(HAVE_FSTATFS)
1493                 struct statfs stfs;
1494
1495                 /* check for floppy disk */
1496                 if (major(st.st_dev) == FLOPPY_MAJOR)
1497                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1498
1499                 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1500                 switch (stfs.f_type)
1501                 {
1502                 case 0x9660:      /* iso9660 */
1503                 case 0x15013346:  /* udf */
1504                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1505                     info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1506                     break;
1507                 case 0x6969:  /* nfs */
1508                 case 0x517B:  /* smbfs */
1509                 case 0x564c:  /* ncpfs */
1510                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1511                     info->Characteristics |= FILE_REMOTE_DEVICE;
1512                     break;
1513                 case 0x01021994:  /* tmpfs */
1514                 case 0x28cd3d45:  /* cramfs */
1515                 case 0x1373:      /* devfs */
1516                 case 0x9fa0:      /* procfs */
1517                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1518                     break;
1519                 default:
1520                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1521                     break;
1522                 }
1523 #elif defined(__FreeBSD__)
1524                 struct statfs stfs;
1525
1526                 /* The proper way to do this in FreeBSD seems to be with the
1527                  * name rather than the type, since their linux-compatible
1528                  * fstatfs call converts the name to one of the Linux types.
1529                  */
1530                 if (fstatfs( fd, &stfs ) < 0)
1531                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1532                 else if (!strncmp("cd9660", stfs.f_fstypename,
1533                  sizeof(stfs.f_fstypename)))
1534                 {
1535                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1536                     /* Don't assume read-only, let the mount options set it
1537                      * below
1538                      */
1539                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1540                 }
1541                 else if (!strncmp("nfs", stfs.f_fstypename,
1542                  sizeof(stfs.f_fstypename)))
1543                 {
1544                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1545                     info->Characteristics |= FILE_REMOTE_DEVICE;
1546                 }
1547                 else if (!strncmp("nwfs", stfs.f_fstypename,
1548                  sizeof(stfs.f_fstypename)))
1549                 {
1550                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1551                     info->Characteristics |= FILE_REMOTE_DEVICE;
1552                 }
1553                 else if (!strncmp("procfs", stfs.f_fstypename,
1554                  sizeof(stfs.f_fstypename)))
1555                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1556                 else
1557                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1558                 if (stfs.f_flags & MNT_RDONLY)
1559                     info->Characteristics |= FILE_READ_ONLY_DEVICE;
1560                 if (!(stfs.f_flags & MNT_LOCAL))
1561                 {
1562                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1563                     info->Characteristics |= FILE_REMOTE_DEVICE;
1564                 }
1565 #elif defined (__APPLE__)
1566                 struct statfs stfs;
1567
1568                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1569
1570                 if (fstatfs( fd, &stfs ) < 0) break;
1571
1572                 /* stfs.f_type is reserved (always set to 0) so use IOKit */
1573                 kern_return_t kernResult = KERN_FAILURE;
1574                 mach_port_t masterPort;
1575
1576                 char bsdName[6]; /* disk#\0 */
1577                 const char *name = stfs.f_mntfromname + strlen(_PATH_DEV);
1578                 memcpy( bsdName, name, min(strlen(name)+1,sizeof(bsdName)) );
1579                 bsdName[sizeof(bsdName)-1] = 0;
1580
1581                 kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
1582
1583                 if (kernResult == KERN_SUCCESS)
1584                 {
1585                     CFMutableDictionaryRef matching = IOBSDNameMatching(masterPort, 0, bsdName);
1586
1587                     if (matching)
1588                     {
1589                         CFMutableDictionaryRef properties;
1590                         io_service_t devService = IOServiceGetMatchingService(masterPort, matching);
1591
1592                         if (IORegistryEntryCreateCFProperties(devService,
1593                                                                 &properties,
1594                                                                 kCFAllocatorDefault, 0) != KERN_SUCCESS)
1595                                                                     break;
1596                         if ( CFEqual(
1597                                         CFDictionaryGetValue(properties, CFSTR("Removable")),
1598                                         kCFBooleanTrue)
1599                             ) info->Characteristics |= FILE_REMOVABLE_MEDIA;
1600
1601                         if ( CFEqual(
1602                                         CFDictionaryGetValue(properties, CFSTR("Writable")),
1603                                         kCFBooleanFalse)
1604                             ) info->Characteristics |= FILE_READ_ONLY_DEVICE;
1605
1606                         /*
1607                             NB : mounted disk image (.img/.dmg) don't provide specific type
1608                         */
1609                         CFStringRef type;
1610                         if ( (type = CFDictionaryGetValue(properties, CFSTR("Type"))) )
1611                         {
1612                             if ( CFStringCompare(type, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1613                                 || CFStringCompare(type, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1614                             )
1615                             {
1616                                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1617                             }
1618                         }
1619
1620                         if (properties)
1621                             CFRelease(properties);
1622                     }
1623                 }
1624 #elif defined(sun)
1625                 /* Use dkio to work out device types */
1626                 {
1627 # include <sys/dkio.h>
1628 # include <sys/vtoc.h>
1629                     struct dk_cinfo dkinf;
1630                     int retval = ioctl(fd, DKIOCINFO, &dkinf);
1631                     if(retval==-1){
1632                         WARN("Unable to get disk device type information - assuming a disk like device\n");
1633                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1634                     }
1635                     switch (dkinf.dki_ctype)
1636                     {
1637                     case DKC_CDROM:
1638                         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1639                         info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1640                         break;
1641                     case DKC_NCRFLOPPY:
1642                     case DKC_SMSFLOPPY:
1643                     case DKC_INTEL82072:
1644                     case DKC_INTEL82077:
1645                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1646                         info->Characteristics |= FILE_REMOVABLE_MEDIA;
1647                         break;
1648                     case DKC_MD:
1649                         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1650                         break;
1651                     default:
1652                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1653                     }
1654                 }
1655 #else
1656                 static int warned;
1657                 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1658                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1659 #endif
1660                 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1661             }
1662             io->Information = sizeof(*info);
1663             io->u.Status = STATUS_SUCCESS;
1664         }
1665         break;
1666     case FileFsAttributeInformation:
1667         FIXME( "%p: attribute info not supported\n", handle );
1668         break;
1669     case FileFsControlInformation:
1670         FIXME( "%p: control info not supported\n", handle );
1671         break;
1672     case FileFsFullSizeInformation:
1673         FIXME( "%p: full size info not supported\n", handle );
1674         break;
1675     case FileFsObjectIdInformation:
1676         FIXME( "%p: object id info not supported\n", handle );
1677         break;
1678     case FileFsMaximumInformation:
1679         FIXME( "%p: maximum info not supported\n", handle );
1680         break;
1681     default:
1682         io->u.Status = STATUS_INVALID_PARAMETER;
1683         break;
1684     }
1685     wine_server_release_fd( handle, fd );
1686     return io->u.Status;
1687 }
1688
1689
1690 /******************************************************************
1691  *              NtFlushBuffersFile  (NTDLL.@)
1692  *
1693  * Flush any buffered data on an open file handle.
1694  *
1695  * PARAMS
1696  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1697  *  IoStatusBlock      [O] Receives information about the operation on return
1698  *
1699  * RETURNS
1700  *  Success: 0. IoStatusBlock is updated.
1701  *  Failure: An NTSTATUS error code describing the error.
1702  */
1703 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1704 {
1705     NTSTATUS ret;
1706     HANDLE hEvent = NULL;
1707
1708     SERVER_START_REQ( flush_file )
1709     {
1710         req->handle = hFile;
1711         ret = wine_server_call( req );
1712         hEvent = reply->event;
1713     }
1714     SERVER_END_REQ;
1715     if (!ret && hEvent)
1716     {
1717         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1718         NtClose( hEvent );
1719     }
1720     return ret;
1721 }
1722
1723 /******************************************************************
1724  *              NtLockFile       (NTDLL.@)
1725  *
1726  *
1727  */
1728 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1729                             PIO_APC_ROUTINE apc, void* apc_user,
1730                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1731                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1732                             BOOLEAN exclusive )
1733 {
1734     NTSTATUS    ret;
1735     HANDLE      handle;
1736     BOOLEAN     async;
1737
1738     if (apc || io_status || key)
1739     {
1740         FIXME("Unimplemented yet parameter\n");
1741         return STATUS_NOT_IMPLEMENTED;
1742     }
1743
1744     for (;;)
1745     {
1746         SERVER_START_REQ( lock_file )
1747         {
1748             req->handle      = hFile;
1749             req->offset_low  = offset->u.LowPart;
1750             req->offset_high = offset->u.HighPart;
1751             req->count_low   = count->u.LowPart;
1752             req->count_high  = count->u.HighPart;
1753             req->shared      = !exclusive;
1754             req->wait        = !dont_wait;
1755             ret = wine_server_call( req );
1756             handle = reply->handle;
1757             async  = reply->overlapped;
1758         }
1759         SERVER_END_REQ;
1760         if (ret != STATUS_PENDING)
1761         {
1762             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1763             return ret;
1764         }
1765
1766         if (async)
1767         {
1768             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1769             if (handle) NtClose( handle );
1770             return STATUS_PENDING;
1771         }
1772         if (handle)
1773         {
1774             NtWaitForSingleObject( handle, FALSE, NULL );
1775             NtClose( handle );
1776         }
1777         else
1778         {
1779             LARGE_INTEGER time;
1780
1781             /* Unix lock conflict, sleep a bit and retry */
1782             time.QuadPart = 100 * (ULONGLONG)10000;
1783             time.QuadPart = -time.QuadPart;
1784             NtDelayExecution( FALSE, &time );
1785         }
1786     }
1787 }
1788
1789
1790 /******************************************************************
1791  *              NtUnlockFile    (NTDLL.@)
1792  *
1793  *
1794  */
1795 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1796                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
1797                               PULONG key )
1798 {
1799     NTSTATUS status;
1800
1801     TRACE( "%p %lx%08lx %lx%08lx\n",
1802            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1803
1804     if (io_status || key)
1805     {
1806         FIXME("Unimplemented yet parameter\n");
1807         return STATUS_NOT_IMPLEMENTED;
1808     }
1809
1810     SERVER_START_REQ( unlock_file )
1811     {
1812         req->handle      = hFile;
1813         req->offset_low  = offset->u.LowPart;
1814         req->offset_high = offset->u.HighPart;
1815         req->count_low   = count->u.LowPart;
1816         req->count_high  = count->u.HighPart;
1817         status = wine_server_call( req );
1818     }
1819     SERVER_END_REQ;
1820     return status;
1821 }
1822
1823 /******************************************************************
1824  *              NtCreateNamedPipeFile    (NTDLL.@)
1825  *
1826  *
1827  */
1828 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
1829                                        POBJECT_ATTRIBUTES oa, PIO_STATUS_BLOCK iosb,
1830                                        ULONG sharing, ULONG dispo, ULONG options,
1831                                        ULONG pipe_type, ULONG read_mode,
1832                                        ULONG completion_mode, ULONG max_inst,
1833                                        ULONG inbound_quota, ULONG outbound_quota,
1834                                        PLARGE_INTEGER timeout)
1835 {
1836     NTSTATUS    status;
1837     static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1838
1839     TRACE("(%p %lx %p %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p): stub\n",
1840           handle, access, oa, iosb, sharing, dispo, options, pipe_type,
1841           read_mode, completion_mode, max_inst, inbound_quota, outbound_quota,
1842           timeout);
1843
1844     if (oa->ObjectName->Length < sizeof(leadin) ||
1845         strncmpiW( oa->ObjectName->Buffer,
1846                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1847         return STATUS_OBJECT_NAME_INVALID;
1848     /* assume we only get relative timeout, and storable in a DWORD as ms */
1849     if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
1850         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
1851
1852     SERVER_START_REQ( create_named_pipe )
1853     {
1854         req->options = options; /* FIXME not used in server yet !!!! */
1855         req->flags =
1856             (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
1857             (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ  : 0 |
1858             (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE  : 0;
1859         req->maxinstances = max_inst;
1860         req->outsize = outbound_quota;
1861         req->insize  = inbound_quota;
1862         req->timeout = timeout->QuadPart / -10000;
1863         req->inherit = (oa->Attributes & OBJ_INHERIT) != 0;
1864         wine_server_add_data( req, oa->ObjectName->Buffer + 4,
1865                               oa->ObjectName->Length - 4 * sizeof(WCHAR) );
1866         status = wine_server_call( req );
1867         if (!status) *handle = reply->handle;
1868     }
1869     SERVER_END_REQ;
1870     return status;
1871 }
1872
1873 /******************************************************************
1874  *              NtDeleteFile    (NTDLL.@)
1875  *
1876  *
1877  */
1878 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
1879 {
1880     NTSTATUS status;
1881     HANDLE hFile;
1882     IO_STATUS_BLOCK io;
1883
1884     TRACE("%p\n", ObjectAttributes);
1885     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE, ObjectAttributes,
1886                            &io, NULL, 0,
1887                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1888                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
1889     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1890     return status;
1891 }
1892
1893 /******************************************************************
1894  *              NtCancelIoFile    (NTDLL.@)
1895  *
1896  *
1897  */
1898 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
1899 {
1900     LARGE_INTEGER timeout;
1901
1902     TRACE("%p %p\n", hFile, io_status );
1903
1904     SERVER_START_REQ( cancel_async )
1905     {
1906         req->handle = hFile;
1907         wine_server_call( req );
1908     }
1909     SERVER_END_REQ;
1910     /* Let some APC be run, so that we can run the remaining APCs on hFile
1911      * either the cancelation of the pending one, but also the execution
1912      * of the queued APC, but not yet run. This is needed to ensure proper
1913      * clean-up of allocated data.
1914      */
1915     timeout.u.LowPart = timeout.u.HighPart = 0;
1916     return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
1917 }
1918
1919 /******************************************************************************
1920  *  NtCreateMailslotFile        [NTDLL.@]
1921  *  ZwCreateMailslotFile        [NTDLL.@]
1922  *
1923  * PARAMS
1924  *  pHandle          [O] pointer to receive the handle created
1925  *  DesiredAccess    [I] access mode (read, write, etc)
1926  *  ObjectAttributes [I] fully qualified NT path of the mailslot
1927  *  IoStatusBlock    [O] receives completion status and other info
1928  *  CreateOptions    [I]
1929  *  MailslotQuota    [I]
1930  *  MaxMessageSize   [I]
1931  *  TimeOut          [I]
1932  *
1933  * RETURNS
1934  *  An NT status code
1935  */
1936 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
1937      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
1938      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
1939      PLARGE_INTEGER TimeOut)
1940 {
1941     static const WCHAR leadin[] = {
1942         '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
1943     NTSTATUS ret;
1944
1945     TRACE("%p %08lx %p %p %08lx %08lx %08lx %p\n",
1946               pHandle, DesiredAccess, attr, IoStatusBlock,
1947               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
1948
1949     if (attr->ObjectName->Length < sizeof(leadin) ||
1950         strncmpiW( attr->ObjectName->Buffer,
1951                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1952     {
1953         return STATUS_OBJECT_NAME_INVALID;
1954     }
1955
1956     SERVER_START_REQ( create_mailslot )
1957     {
1958         req->max_msgsize = MaxMessageSize;
1959         req->read_timeout = TimeOut->QuadPart / -10000;
1960         req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
1961         wine_server_add_data( req, attr->ObjectName->Buffer + 4,
1962                               attr->ObjectName->Length - 4*sizeof(WCHAR) );
1963         ret = wine_server_call( req );
1964         if( ret == STATUS_SUCCESS )
1965             *pHandle = reply->handle;
1966     }
1967     SERVER_END_REQ;
1968
1969     return ret;
1970 }