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 __APPLE__
  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             ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
 539             NtClose(hEvent);
 540             if (ret != STATUS_USER_APC)
 541                 fileio->queue_apc_on_error = 1;
 542         }
 543         else
 544         {
 545             LARGE_INTEGER   timeout;
 546
 547             /* let some APC be run, this will read some already pending data */
 548             timeout.u.LowPart = timeout.u.HighPart = 0;
 549             ret = NtDelayExecution( TRUE, &timeout );
 550             /* the apc didn't run and therefore the completion routine now
 551              * needs to be sent errors.
 552              * Note that there is no race between setting this flag and
 553              * returning errors because apc's are run only during alertable
 554              * waits */
 555             if (ret != STATUS_USER_APC)
 556                 fileio->queue_apc_on_error = 1;
 557         }
 558         TRACE("= 0x%08lx\n", io_status->u.Status);
 559         return io_status->u.Status;
 560     }
 561
 562     if (offset)
 563     {
 564         FILE_POSITION_INFORMATION   fpi;
 565
 566         fpi.CurrentByteOffset = *offset;
 567         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 568                                                    FilePositionInformation);
 569         if (io_status->u.Status)
 570         {
 571             wine_server_release_fd( hFile, unix_handle );
 572             return io_status->u.Status;
 573         }
 574     }
 575     /* code for synchronous reads */
 576     while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
 577     {
 578         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 579         if (errno == EFAULT)
 580         {
 581             io_status->Information = 0;
 582             io_status->u.Status = STATUS_ACCESS_VIOLATION;
 583         }
 584         else io_status->u.Status = FILE_GetNtStatus();
 585         break;
 586     }
 587     wine_server_release_fd( hFile, unix_handle );
 588     TRACE("= 0x%08lx\n", io_status->u.Status);
 589     return io_status->u.Status;
 590 }
 591
 592 /***********************************************************************
 593  *             FILE_AsyncWriteService      (INTERNAL)
 594  *
 595  *  This function is called while the client is waiting on the
 596  *  server, so we can't make any server calls here.
 597  */
 598 static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
 599 {
 600     async_fileio *fileio = (async_fileio *) ovp;
 601     int result;
 602     int already = iosb->Information;
 603
 604     TRACE("(%p %p 0x%lx)\n",iosb, fileio->buffer, status);
 605
 606     switch (status)
 607     {
 608     case STATUS_ALERTED:
 609         /* write some data (non-blocking) */
 610         if ( fileio->avail_mode )
 611             result = write(fileio->fd, &fileio->buffer[already],
 612                            fileio->count - already);
 613         else
 614         {
 615             result = pwrite(fileio->fd, &fileio->buffer[already],
 616                             fileio->count - already, fileio->offset + already);
 617             if ((result < 0) && (errno == ESPIPE))
 618                 result = write(fileio->fd, &fileio->buffer[already],
 619                                fileio->count - already);
 620         }
 621
 622         if (result < 0)
 623         {
 624             if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
 625             else iosb->u.Status = FILE_GetNtStatus();
 626         }
 627         else
 628         {
 629             iosb->Information += result;
 630             iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 631             TRACE("wrote %d more bytes %ld/%d so far\n",
 632                   result, iosb->Information, fileio->count);
 633         }
 634         if (iosb->u.Status == STATUS_PENDING)
 635             fileio_queue_async(fileio, iosb, FALSE);
 636         else
 637             fileio_terminate(fileio, iosb);
 638         break;
 639     default:
 640         iosb->u.Status = status;
 641         fileio_terminate(fileio, iosb);
 642         break;
 643     }
 644 }
 645
 646 /******************************************************************************
 647  *  NtWriteFile                                 [NTDLL.@]
 648  *  ZwWriteFile                                 [NTDLL.@]
 649  *
 650  * Write to an open file handle.
 651  *
 652  * PARAMS
 653  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 654  *  Event         [I] Event to signal upon completion (or NULL)
 655  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 656  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 657  *  IoStatusBlock [O] Receives information about the operation on return
 658  *  Buffer        [I] Source for the data to write
 659  *  Length        [I] Size of Buffer
 660  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 661  *  Key           [O] Function unknown (may be NULL)
 662  *
 663  * RETURNS
 664  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 665  *           The number of bytes written.
 666  *  Failure: An NTSTATUS error code describing the error.
 667  */
 668 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 669                             PIO_APC_ROUTINE apc, void* apc_user,
 670                             PIO_STATUS_BLOCK io_status,
 671                             const void* buffer, ULONG length,
 672                             PLARGE_INTEGER offset, PULONG key)
 673 {
 674     int unix_handle, flags;
 675
 676     TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
 677           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 678
 679     if (!io_status) return STATUS_ACCESS_VIOLATION;
 680
 681     io_status->Information = 0;
 682     io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
 683     if (io_status->u.Status) return io_status->u.Status;
 684
 685     if (flags & FD_FLAG_SEND_SHUTDOWN)
 686     {
 687         wine_server_release_fd( hFile, unix_handle );
 688         return STATUS_PIPE_DISCONNECTED;
 689     }
 690
 691     if (flags & FD_FLAG_TIMEOUT)
 692     {
 693         if (hEvent)
 694         {
 695             /* this shouldn't happen, but check it */
 696             FIXME("NIY-hEvent\n");
 697             wine_server_release_fd( hFile, unix_handle );
 698             return STATUS_NOT_IMPLEMENTED;
 699         }
 700         io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
 701         if (io_status->u.Status)
 702         {
 703             wine_server_release_fd( hFile, unix_handle );
 704             return io_status->u.Status;
 705         }
 706     }
 707
 708     if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
 709     {
 710         async_fileio*   fileio;
 711         NTSTATUS ret;
 712
 713         if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
 714         {
 715             wine_server_release_fd( hFile, unix_handle );
 716             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 717             return STATUS_NO_MEMORY;
 718         }
 719         fileio->handle = hFile;
 720         fileio->count = length;
 721         if (offset)
 722         {
 723             fileio->offset = offset->QuadPart;
 724             if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
 725                 FIXME("High part of offset is lost\n");
 726         }
 727         else
 728         {
 729             fileio->offset = 0;
 730         }
 731         fileio->apc = apc;
 732         fileio->apc_user = apc_user;
 733         fileio->buffer = (void*)buffer;
 734         fileio->queue_apc_on_error = 0;
 735         fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
 736         fileio->fd = unix_handle;  /* FIXME */
 737         fileio->event = hEvent;
 738         NtResetEvent(hEvent, NULL);
 739
 740         io_status->Information = 0;
 741         io_status->u.Status = STATUS_PENDING;
 742         ret = fileio_queue_async(fileio, io_status, FALSE);
 743         if (ret != STATUS_SUCCESS)
 744         {
 745             wine_server_release_fd( hFile, unix_handle );
 746             if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
 747             return ret;
 748         }
 749         if (flags & FD_FLAG_TIMEOUT)
 750         {
 751             ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
 752             NtClose(hEvent);
 753             if (ret != STATUS_USER_APC)
 754                 fileio->queue_apc_on_error = 1;
 755         }
 756         else
 757         {
 758             LARGE_INTEGER   timeout;
 759
 760             /* let some APC be run, this will write as much data as possible */
 761             timeout.u.LowPart = timeout.u.HighPart = 0;
 762             ret = NtDelayExecution( TRUE, &timeout );
 763             /* the apc didn't run and therefore the completion routine now
 764              * needs to be sent errors.
 765              * Note that there is no race between setting this flag and
 766              * returning errors because apc's are run only during alertable
 767              * waits */
 768             if (ret != STATUS_USER_APC)
 769                 fileio->queue_apc_on_error = 1;
 770         }
 771         return io_status->u.Status;
 772     }
 773
 774     if (offset)
 775     {
 776         FILE_POSITION_INFORMATION   fpi;
 777
 778         fpi.CurrentByteOffset = *offset;
 779         io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
 780                                                    FilePositionInformation);
 781         if (io_status->u.Status)
 782         {
 783             wine_server_release_fd( hFile, unix_handle );
 784             return io_status->u.Status;
 785         }
 786     }
 787
 788     /* synchronous file write */
 789     while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
 790     {
 791         if ((errno == EAGAIN) || (errno == EINTR)) continue;
 792         if (errno == EFAULT)
 793         {
 794             io_status->Information = 0;
 795             io_status->u.Status = STATUS_INVALID_USER_BUFFER;
 796         }
 797         else if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
 798         else io_status->u.Status = FILE_GetNtStatus();
 799         break;
 800     }
 801     wine_server_release_fd( hFile, unix_handle );
 802     return io_status->u.Status;
 803 }
 804
 805 /**************************************************************************
 806  *              NtDeviceIoControlFile                   [NTDLL.@]
 807  *              ZwDeviceIoControlFile                   [NTDLL.@]
 808  *
 809  * Perform an I/O control operation on an open file handle.
 810  *
 811  * PARAMS
 812  *  DeviceHandle     [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 813  *  Event            [I] Event to signal upon completion (or NULL)
 814  *  ApcRoutine       [I] Callback to call upon completion (or NULL)
 815  *  ApcContext       [I] Context for ApcRoutine (or NULL)
 816  *  IoStatusBlock    [O] Receives information about the operation on return
 817  *  IoControlCode    [I] Control code for the operation to perform
 818  *  InputBuffer      [I] Source for any input data required (or NULL)
 819  *  InputBufferSize  [I] Size of InputBuffer
 820  *  OutputBuffer     [O] Source for any output data returned (or NULL)
 821  *  OutputBufferSize [I] Size of OutputBuffer
 822  *
 823  * RETURNS
 824  *  Success: 0. IoStatusBlock is updated.
 825  *  Failure: An NTSTATUS error code describing the error.
 826  */
 827 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
 828                                       PIO_APC_ROUTINE UserApcRoutine,
 829                                       PVOID UserApcContext,
 830                                       PIO_STATUS_BLOCK IoStatusBlock,
 831                                       ULONG IoControlCode,
 832                                       PVOID InputBuffer,
 833                                       ULONG InputBufferSize,
 834                                       PVOID OutputBuffer,
 835                                       ULONG OutputBufferSize)
 836 {
 837     TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
 838           DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
 839           IoStatusBlock, IoControlCode,
 840           InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
 841
 842     if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
 843                               UserApcRoutine, UserApcContext,
 844                               IoStatusBlock, IoControlCode,
 845                               InputBuffer, InputBufferSize,
 846                               OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
 847     {
 848         /* it wasn't a CDROM */
 849         FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
 850         IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
 851         IoStatusBlock->Information = 0;
 852         if (hEvent) NtSetEvent(hEvent, NULL);
 853     }
 854     return IoStatusBlock->u.Status;
 855 }
 856
 857 /******************************************************************************
 858  * NtFsControlFile [NTDLL.@]
 859  * ZwFsControlFile [NTDLL.@]
 860  */
 861 NTSTATUS WINAPI NtFsControlFile(
 862         IN HANDLE DeviceHandle,
 863         IN HANDLE Event OPTIONAL,
 864         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 865         IN PVOID ApcContext OPTIONAL,
 866         OUT PIO_STATUS_BLOCK IoStatusBlock,
 867         IN ULONG IoControlCode,
 868         IN PVOID InputBuffer,
 869         IN ULONG InputBufferSize,
 870         OUT PVOID OutputBuffer,
 871         IN ULONG OutputBufferSize)
 872 {
 873         FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
 874         DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
 875         InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
 876         return 0;
 877 }
 878
 879 /******************************************************************************
 880  *  NtSetVolumeInformationFile          [NTDLL.@]
 881  *  ZwSetVolumeInformationFile          [NTDLL.@]
 882  *
 883  * Set volume information for an open file handle.
 884  *
 885  * PARAMS
 886  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 887  *  IoStatusBlock      [O] Receives information about the operation on return
 888  *  FsInformation      [I] Source for volume information
 889  *  Length             [I] Size of FsInformation
 890  *  FsInformationClass [I] Type of volume information to set
 891  *
 892  * RETURNS
 893  *  Success: 0. IoStatusBlock is updated.
 894  *  Failure: An NTSTATUS error code describing the error.
 895  */
 896 NTSTATUS WINAPI NtSetVolumeInformationFile(
 897         IN HANDLE FileHandle,
 898         PIO_STATUS_BLOCK IoStatusBlock,
 899         PVOID FsInformation,
 900         ULONG Length,
 901         FS_INFORMATION_CLASS FsInformationClass)
 902 {
 903         FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
 904         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
 905         return 0;
 906 }
 907
 908 /******************************************************************************
 909  *  NtQueryInformationFile              [NTDLL.@]
 910  *  ZwQueryInformationFile              [NTDLL.@]
 911  *
 912  * Get information about an open file handle.
 913  *
 914  * PARAMS
 915  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 916  *  io       [O] Receives information about the operation on return
 917  *  ptr      [O] Destination for file information
 918  *  len      [I] Size of FileInformation
 919  *  class    [I] Type of file information to get
 920  *
 921  * RETURNS
 922  *  Success: 0. IoStatusBlock and FileInformation are updated.
 923  *  Failure: An NTSTATUS error code describing the error.
 924  */
 925 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
 926                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
 927 {
 928     static const size_t info_sizes[] =
 929     {
 930         0,
 931         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
 932         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
 933         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
 934         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
 935         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
 936         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
 937         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
 938         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
 939         sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR),   /* FileNameInformation */
 940         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
 941         0,                                             /* FileLinkInformation */
 942         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
 943         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
 944         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
 945         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
 946         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
 947         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
 948         sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR),    /* FileAllInformation */
 949         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
 950         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
 951         0,                                             /* FileAlternateNameInformation */
 952         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
 953         0,                                             /* FilePipeInformation */
 954         0,                                             /* FilePipeLocalInformation */
 955         0,                                             /* FilePipeRemoteInformation */
 956         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
 957         0,                                             /* FileMailslotSetInformation */
 958         0,                                             /* FileCompressionInformation */
 959         0,                                             /* FileObjectIdInformation */
 960         0,                                             /* FileCompletionInformation */
 961         0,                                             /* FileMoveClusterInformation */
 962         0,                                             /* FileQuotaInformation */
 963         0,                                             /* FileReparsePointInformation */
 964         0,                                             /* FileNetworkOpenInformation */
 965         0,                                             /* FileAttributeTagInformation */
 966         0                                              /* FileTrackingInformation */
 967     };
 968
 969     struct stat st;
 970     int fd;
 971
 972     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
 973
 974     io->Information = 0;
 975
 976     if (class <= 0 || class >= FileMaximumInformation)
 977         return io->u.Status = STATUS_INVALID_INFO_CLASS;
 978     if (!info_sizes[class])
 979     {
 980         FIXME("Unsupported class (%d)\n", class);
 981         return io->u.Status = STATUS_NOT_IMPLEMENTED;
 982     }
 983     if (len < info_sizes[class])
 984         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
 985
 986     if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
 987         return io->u.Status;
 988
 989     switch (class)
 990     {
 991     case FileBasicInformation:
 992         {
 993             FILE_BASIC_INFORMATION *info = ptr;
 994
 995             if (fstat( fd, &st ) == -1)
 996                 io->u.Status = FILE_GetNtStatus();
 997             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
 998                 io->u.Status = STATUS_INVALID_INFO_CLASS;
 999             else
1000             {
1001                 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1002                 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1003                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1004                     info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1005                 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1006                 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1007                 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1008                 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1009             }
1010         }
1011         break;
1012     case FileStandardInformation:
1013         {
1014             FILE_STANDARD_INFORMATION *info = ptr;
1015
1016             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1017             else
1018             {
1019                 if ((info->Directory = S_ISDIR(st.st_mode)))
1020                 {
1021                     info->AllocationSize.QuadPart = 0;
1022                     info->EndOfFile.QuadPart      = 0;
1023                     info->NumberOfLinks           = 1;
1024                     info->DeletePending           = FALSE;
1025                 }
1026                 else
1027                 {
1028                     info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1029                     info->EndOfFile.QuadPart      = st.st_size;
1030                     info->NumberOfLinks           = st.st_nlink;
1031                     info->DeletePending           = FALSE; /* FIXME */
1032                 }
1033             }
1034         }
1035         break;
1036     case FilePositionInformation:
1037         {
1038             FILE_POSITION_INFORMATION *info = ptr;
1039             off_t res = lseek( fd, 0, SEEK_CUR );
1040             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1041             else info->CurrentByteOffset.QuadPart = res;
1042         }
1043         break;
1044     case FileInternalInformation:
1045         {
1046             FILE_INTERNAL_INFORMATION *info = ptr;
1047
1048             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1049             else info->IndexNumber.QuadPart = st.st_ino;
1050         }
1051         break;
1052     case FileEaInformation:
1053         {
1054             FILE_EA_INFORMATION *info = ptr;
1055             info->EaSize = 0;
1056         }
1057         break;
1058     case FileEndOfFileInformation:
1059         {
1060             FILE_END_OF_FILE_INFORMATION *info = ptr;
1061
1062             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1063             else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1064         }
1065         break;
1066     case FileAllInformation:
1067         {
1068             FILE_ALL_INFORMATION *info = ptr;
1069
1070             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1071             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1072                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1073             else
1074             {
1075                 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1076                 {
1077                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1078                     info->StandardInformation.AllocationSize.QuadPart = 0;
1079                     info->StandardInformation.EndOfFile.QuadPart      = 0;
1080                     info->StandardInformation.NumberOfLinks           = 1;
1081                     info->StandardInformation.DeletePending           = FALSE;
1082                 }
1083                 else
1084                 {
1085                     info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1086                     info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1087                     info->StandardInformation.EndOfFile.QuadPart      = st.st_size;
1088                     info->StandardInformation.NumberOfLinks           = st.st_nlink;
1089                     info->StandardInformation.DeletePending           = FALSE; /* FIXME */
1090                 }
1091                 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1092                     info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1093                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1094                 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1095                 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1096                 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1097                 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1098                 info->EaInformation.EaSize = 0;
1099                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1100                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1101                 info->ModeInformation.Mode = 0;  /* FIXME */
1102                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1103                 info->NameInformation.FileNameLength = 0;
1104                 io->Information = sizeof(*info) - sizeof(WCHAR);
1105             }
1106         }
1107         break;
1108     case FileMailslotQueryInformation:
1109         {
1110             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1111
1112             SERVER_START_REQ( set_mailslot_info )
1113             {
1114                 req->handle = hFile;
1115                 req->flags = 0;
1116                 io->u.Status = wine_server_call( req );
1117                 if( io->u.Status == STATUS_SUCCESS )
1118                 {
1119                     info->MaximumMessageSize = reply->max_msgsize;
1120                     info->MailslotQuota = 0;
1121                     info->NextMessageSize = reply->next_msgsize;
1122                     info->MessagesAvailable = reply->msg_count;
1123                     info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
1124                 }
1125             }
1126             SERVER_END_REQ;
1127         }
1128         break;
1129     default:
1130         FIXME("Unsupported class (%d)\n", class);
1131         io->u.Status = STATUS_NOT_IMPLEMENTED;
1132         break;
1133     }
1134     wine_server_release_fd( hFile, fd );
1135     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1136     return io->u.Status;
1137 }
1138
1139 /******************************************************************************
1140  *  NtSetInformationFile                [NTDLL.@]
1141  *  ZwSetInformationFile                [NTDLL.@]
1142  *
1143  * Set information about an open file handle.
1144  *
1145  * PARAMS
1146  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1147  *  io      [O] Receives information about the operation on return
1148  *  ptr     [I] Source for file information
1149  *  len     [I] Size of FileInformation
1150  *  class   [I] Type of file information to set
1151  *
1152  * RETURNS
1153  *  Success: 0. io is updated.
1154  *  Failure: An NTSTATUS error code describing the error.
1155  */
1156 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1157                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1158 {
1159     int fd;
1160
1161     TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1162
1163     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1164         return io->u.Status;
1165
1166     io->u.Status = STATUS_SUCCESS;
1167     switch (class)
1168     {
1169     case FileBasicInformation:
1170         if (len >= sizeof(FILE_BASIC_INFORMATION))
1171         {
1172             struct stat st;
1173             const FILE_BASIC_INFORMATION *info = ptr;
1174
1175             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1176             {
1177                 ULONGLONG sec, nsec;
1178                 struct timeval tv[2];
1179
1180                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1181                 {
1182
1183                     tv[0].tv_sec = tv[0].tv_usec = 0;
1184                     tv[1].tv_sec = tv[1].tv_usec = 0;
1185                     if (!fstat( fd, &st ))
1186                     {
1187                         tv[0].tv_sec = st.st_atime;
1188                         tv[1].tv_sec = st.st_mtime;
1189                     }
1190                 }
1191                 if (info->LastAccessTime.QuadPart)
1192                 {
1193                     sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1194                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
1195                     tv[0].tv_usec = (UINT)nsec / 10;
1196                 }
1197                 if (info->LastWriteTime.QuadPart)
1198                 {
1199                     sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1200                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
1201                     tv[1].tv_usec = (UINT)nsec / 10;
1202                 }
1203                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1204             }
1205
1206             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1207             {
1208                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1209                 else
1210                 {
1211                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1212                     {
1213                         if (S_ISDIR( st.st_mode))
1214                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1215                         else
1216                             st.st_mode &= ~0222; /* clear write permission bits */
1217                     }
1218                     else
1219                     {
1220                         /* add write permission only where we already have read permission */
1221                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1222                     }
1223                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1224                 }
1225             }
1226         }
1227         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1228         break;
1229
1230     case FilePositionInformation:
1231         if (len >= sizeof(FILE_POSITION_INFORMATION))
1232         {
1233             const FILE_POSITION_INFORMATION *info = ptr;
1234
1235             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1236                 io->u.Status = FILE_GetNtStatus();
1237         }
1238         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1239         break;
1240
1241     case FileEndOfFileInformation:
1242         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1243         {
1244             struct stat st;
1245             const FILE_END_OF_FILE_INFORMATION *info = ptr;
1246
1247             /* first try normal truncate */
1248             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1249
1250             /* now check for the need to extend the file */
1251             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1252             {
1253                 static const char zero;
1254
1255                 /* extend the file one byte beyond the requested size and then truncate it */
1256                 /* this should work around ftruncate implementations that can't extend files */
1257                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1258                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1259             }
1260             io->u.Status = FILE_GetNtStatus();
1261         }
1262         else io->u.Status = STATUS_INVALID_PARAMETER_3;
1263         break;
1264
1265     case FileMailslotSetInformation:
1266         {
1267             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1268
1269             SERVER_START_REQ( set_mailslot_info )
1270             {
1271                 req->handle = handle;
1272                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1273                 req->read_timeout = info->ReadTimeout.QuadPart / -10000;
1274                 io->u.Status = wine_server_call( req );
1275             }
1276             SERVER_END_REQ;
1277         }
1278         break;
1279
1280     default:
1281         FIXME("Unsupported class (%d)\n", class);
1282         io->u.Status = STATUS_NOT_IMPLEMENTED;
1283         break;
1284     }
1285     wine_server_release_fd( handle, fd );
1286     io->Information = 0;
1287     return io->u.Status;
1288 }
1289
1290
1291 /******************************************************************************
1292  *              NtQueryFullAttributesFile   (NTDLL.@)
1293  */
1294 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1295                                            FILE_NETWORK_OPEN_INFORMATION *info )
1296 {
1297     ANSI_STRING unix_name;
1298     NTSTATUS status;
1299
1300     if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1301                                               !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1302     {
1303         struct stat st;
1304
1305         if (stat( unix_name.Buffer, &st ) == -1)
1306             status = FILE_GetNtStatus();
1307         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1308             status = STATUS_INVALID_INFO_CLASS;
1309         else
1310         {
1311             if (S_ISDIR(st.st_mode))
1312             {
1313                 info->FileAttributes          = FILE_ATTRIBUTE_DIRECTORY;
1314                 info->AllocationSize.QuadPart = 0;
1315                 info->EndOfFile.QuadPart      = 0;
1316             }
1317             else
1318             {
1319                 info->FileAttributes          = FILE_ATTRIBUTE_ARCHIVE;
1320                 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1321                 info->EndOfFile.QuadPart      = st.st_size;
1322             }
1323             if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1324                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1325             RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1326             RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1327             RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1328             RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1329             if (DIR_is_hidden_file( attr->ObjectName ))
1330                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1331         }
1332         RtlFreeAnsiString( &unix_name );
1333     }
1334     else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1335     return status;
1336 }
1337
1338
1339 /******************************************************************************
1340  *              NtQueryAttributesFile   (NTDLL.@)
1341  *              ZwQueryAttributesFile   (NTDLL.@)
1342  */
1343 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1344 {
1345     FILE_NETWORK_OPEN_INFORMATION full_info;
1346     NTSTATUS status;
1347
1348     if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1349     {
1350         info->CreationTime.QuadPart   = full_info.CreationTime.QuadPart;
1351         info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1352         info->LastWriteTime.QuadPart  = full_info.LastWriteTime.QuadPart;
1353         info->ChangeTime.QuadPart     = full_info.ChangeTime.QuadPart;
1354         info->FileAttributes          = full_info.FileAttributes;
1355     }
1356     return status;
1357 }
1358
1359
1360 /******************************************************************************
1361  *  NtQueryVolumeInformationFile                [NTDLL.@]
1362  *  ZwQueryVolumeInformationFile                [NTDLL.@]
1363  *
1364  * Get volume information for an open file handle.
1365  *
1366  * PARAMS
1367  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1368  *  io          [O] Receives information about the operation on return
1369  *  buffer      [O] Destination for volume information
1370  *  length      [I] Size of FsInformation
1371  *  info_class  [I] Type of volume information to set
1372  *
1373  * RETURNS
1374  *  Success: 0. io and buffer are updated.
1375  *  Failure: An NTSTATUS error code describing the error.
1376  */
1377 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1378                                               PVOID buffer, ULONG length,
1379                                               FS_INFORMATION_CLASS info_class )
1380 {
1381     int fd;
1382     struct stat st;
1383
1384     if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1385         return io->u.Status;
1386
1387     io->u.Status = STATUS_NOT_IMPLEMENTED;
1388     io->Information = 0;
1389
1390     switch( info_class )
1391     {
1392     case FileFsVolumeInformation:
1393         FIXME( "%p: volume info not supported\n", handle );
1394         break;
1395     case FileFsLabelInformation:
1396         FIXME( "%p: label info not supported\n", handle );
1397         break;
1398     case FileFsSizeInformation:
1399         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1400             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1401         else
1402         {
1403             FILE_FS_SIZE_INFORMATION *info = buffer;
1404
1405             if (fstat( fd, &st ) < 0)
1406             {
1407                 io->u.Status = FILE_GetNtStatus();
1408                 break;
1409             }
1410             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1411             {
1412                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1413             }
1414             else
1415             {
1416                 /* Linux's fstatvfs is buggy */
1417 #if !defined(linux) || !defined(HAVE_FSTATFS)
1418                 struct statvfs stfs;
1419
1420                 if (fstatvfs( fd, &stfs ) < 0)
1421                 {
1422                     io->u.Status = FILE_GetNtStatus();
1423                     break;
1424                 }
1425                 info->BytesPerSector = stfs.f_frsize;
1426 #else
1427                 struct statfs stfs;
1428                 if (fstatfs( fd, &stfs ) < 0)
1429                 {
1430                     io->u.Status = FILE_GetNtStatus();
1431                     break;
1432                 }
1433                 info->BytesPerSector = stfs.f_bsize;
1434 #endif
1435                 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1436                 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1437                 info->SectorsPerAllocationUnit = 1;
1438                 io->Information = sizeof(*info);
1439                 io->u.Status = STATUS_SUCCESS;
1440             }
1441         }
1442         break;
1443     case FileFsDeviceInformation:
1444         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1445             io->u.Status = STATUS_BUFFER_TOO_SMALL;
1446         else
1447         {
1448             FILE_FS_DEVICE_INFORMATION *info = buffer;
1449
1450             info->Characteristics = 0;
1451             if (fstat( fd, &st ) < 0)
1452             {
1453                 io->u.Status = FILE_GetNtStatus();
1454                 break;
1455             }
1456             if (S_ISCHR( st.st_mode ))
1457             {
1458                 info->DeviceType = FILE_DEVICE_UNKNOWN;
1459 #ifdef linux
1460                 switch(major(st.st_rdev))
1461                 {
1462                 case MEM_MAJOR:
1463                     info->DeviceType = FILE_DEVICE_NULL;
1464                     break;
1465                 case TTY_MAJOR:
1466                     info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1467                     break;
1468                 case LP_MAJOR:
1469                     info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1470                     break;
1471                 }
1472 #endif
1473             }
1474             else if (S_ISBLK( st.st_mode ))
1475             {
1476                 info->DeviceType = FILE_DEVICE_DISK;
1477             }
1478             else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1479             {
1480                 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1481             }
1482             else  /* regular file or directory */
1483             {
1484 #if defined(linux) && defined(HAVE_FSTATFS)
1485                 struct statfs stfs;
1486
1487                 /* check for floppy disk */
1488                 if (major(st.st_dev) == FLOPPY_MAJOR)
1489                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1490
1491                 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1492                 switch (stfs.f_type)
1493                 {
1494                 case 0x9660:      /* iso9660 */
1495                 case 0x15013346:  /* udf */
1496                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1497                     info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1498                     break;
1499                 case 0x6969:  /* nfs */
1500                 case 0x517B:  /* smbfs */
1501                 case 0x564c:  /* ncpfs */
1502                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1503                     info->Characteristics |= FILE_REMOTE_DEVICE;
1504                     break;
1505                 case 0x01021994:  /* tmpfs */
1506                 case 0x28cd3d45:  /* cramfs */
1507                 case 0x1373:      /* devfs */
1508                 case 0x9fa0:      /* procfs */
1509                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1510                     break;
1511                 default:
1512                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1513                     break;
1514                 }
1515 #elif defined(__FreeBSD__)
1516                 struct statfs stfs;
1517
1518                 /* The proper way to do this in FreeBSD seems to be with the
1519                  * name rather than the type, since their linux-compatible
1520                  * fstatfs call converts the name to one of the Linux types.
1521                  */
1522                 if (fstatfs( fd, &stfs ) < 0)
1523                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1524                 else if (!strncmp("cd9660", stfs.f_fstypename,
1525                  sizeof(stfs.f_fstypename)))
1526                 {
1527                     info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1528                     /* Don't assume read-only, let the mount options set it
1529                      * below
1530                      */
1531                     info->Characteristics |= FILE_REMOVABLE_MEDIA;
1532                 }
1533                 else if (!strncmp("nfs", stfs.f_fstypename,
1534                  sizeof(stfs.f_fstypename)))
1535                 {
1536                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1537                     info->Characteristics |= FILE_REMOTE_DEVICE;
1538                 }
1539                 else if (!strncmp("nwfs", stfs.f_fstypename,
1540                  sizeof(stfs.f_fstypename)))
1541                 {
1542                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1543                     info->Characteristics |= FILE_REMOTE_DEVICE;
1544                 }
1545                 else if (!strncmp("procfs", stfs.f_fstypename,
1546                  sizeof(stfs.f_fstypename)))
1547                     info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1548                 else
1549                     info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1550                 if (stfs.f_flags & MNT_RDONLY)
1551                     info->Characteristics |= FILE_READ_ONLY_DEVICE;
1552                 if (!(stfs.f_flags & MNT_LOCAL))
1553                 {
1554                     info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1555                     info->Characteristics |= FILE_REMOTE_DEVICE;
1556                 }
1557 #elif defined (__APPLE__)
1558                 struct statfs stfs;
1559
1560                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1561
1562                 if (fstatfs( fd, &stfs ) < 0) break;
1563
1564                 /* stfs.f_type is reserved (always set to 0) so use IOKit */
1565                 kern_return_t kernResult = KERN_FAILURE;
1566                 mach_port_t masterPort;
1567
1568                 char bsdName[6]; /* disk#\0 */
1569                 const char *name = stfs.f_mntfromname + strlen(_PATH_DEV);
1570                 memcpy( bsdName, name, min(strlen(name)+1,sizeof(bsdName)) );
1571                 bsdName[sizeof(bsdName)-1] = 0;
1572
1573                 kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
1574
1575                 if (kernResult == KERN_SUCCESS)
1576                 {
1577                     CFMutableDictionaryRef matching = IOBSDNameMatching(masterPort, 0, bsdName);
1578
1579                     if (matching)
1580                     {
1581                         CFMutableDictionaryRef properties;
1582                         io_service_t devService = IOServiceGetMatchingService(masterPort, matching);
1583
1584                         if (IORegistryEntryCreateCFProperties(devService,
1585                                                                 &properties,
1586                                                                 kCFAllocatorDefault, 0) != KERN_SUCCESS)
1587                                                                     break;
1588                         if ( CFEqual(
1589                                         CFDictionaryGetValue(properties, CFSTR("Removable")),
1590                                         kCFBooleanTrue)
1591                             ) info->Characteristics |= FILE_REMOVABLE_MEDIA;
1592
1593                         if ( CFEqual(
1594                                         CFDictionaryGetValue(properties, CFSTR("Writable")),
1595                                         kCFBooleanFalse)
1596                             ) info->Characteristics |= FILE_READ_ONLY_DEVICE;
1597
1598                         /*
1599                             NB : mounted disk image (.img/.dmg) don't provide specific type
1600                         */
1601                         CFStringRef type;
1602                         if ( (type = CFDictionaryGetValue(properties, CFSTR("Type"))) )
1603                         {
1604                             if ( CFStringCompare(type, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1605                                 || CFStringCompare(type, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1606                             )
1607                             {
1608                                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1609                             }
1610                         }
1611
1612                         if (properties)
1613                             CFRelease(properties);
1614                     }
1615                 }
1616 #elif defined(sun)
1617                 /* Use dkio to work out device types */
1618                 {
1619 # include <sys/dkio.h>
1620 # include <sys/vtoc.h>
1621                     struct dk_cinfo dkinf;
1622                     int retval = ioctl(fd, DKIOCINFO, &dkinf);
1623                     if(retval==-1){
1624                         WARN("Unable to get disk device type information - assuming a disk like device\n");
1625                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1626                     }
1627                     switch (dkinf.dki_ctype)
1628                     {
1629                     case DKC_CDROM:
1630                         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1631                         info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1632                         break;
1633                     case DKC_NCRFLOPPY:
1634                     case DKC_SMSFLOPPY:
1635                     case DKC_INTEL82072:
1636                     case DKC_INTEL82077:
1637                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1638                         info->Characteristics |= FILE_REMOVABLE_MEDIA;
1639                         break;
1640                     case DKC_MD:
1641                         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1642                         break;
1643                     default:
1644                         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1645                     }
1646                 }
1647 #else
1648                 static int warned;
1649                 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1650                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1651 #endif
1652                 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1653             }
1654             io->Information = sizeof(*info);
1655             io->u.Status = STATUS_SUCCESS;
1656         }
1657         break;
1658     case FileFsAttributeInformation:
1659         FIXME( "%p: attribute info not supported\n", handle );
1660         break;
1661     case FileFsControlInformation:
1662         FIXME( "%p: control info not supported\n", handle );
1663         break;
1664     case FileFsFullSizeInformation:
1665         FIXME( "%p: full size info not supported\n", handle );
1666         break;
1667     case FileFsObjectIdInformation:
1668         FIXME( "%p: object id info not supported\n", handle );
1669         break;
1670     case FileFsMaximumInformation:
1671         FIXME( "%p: maximum info not supported\n", handle );
1672         break;
1673     default:
1674         io->u.Status = STATUS_INVALID_PARAMETER;
1675         break;
1676     }
1677     wine_server_release_fd( handle, fd );
1678     return io->u.Status;
1679 }
1680
1681
1682 /******************************************************************
1683  *              NtFlushBuffersFile  (NTDLL.@)
1684  *
1685  * Flush any buffered data on an open file handle.
1686  *
1687  * PARAMS
1688  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1689  *  IoStatusBlock      [O] Receives information about the operation on return
1690  *
1691  * RETURNS
1692  *  Success: 0. IoStatusBlock is updated.
1693  *  Failure: An NTSTATUS error code describing the error.
1694  */
1695 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1696 {
1697     NTSTATUS ret;
1698     HANDLE hEvent = NULL;
1699
1700     SERVER_START_REQ( flush_file )
1701     {
1702         req->handle = hFile;
1703         ret = wine_server_call( req );
1704         hEvent = reply->event;
1705     }
1706     SERVER_END_REQ;
1707     if (!ret && hEvent)
1708     {
1709         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1710         NtClose( hEvent );
1711     }
1712     return ret;
1713 }
1714
1715 /******************************************************************
1716  *              NtLockFile       (NTDLL.@)
1717  *
1718  *
1719  */
1720 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1721                             PIO_APC_ROUTINE apc, void* apc_user,
1722                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1723                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1724                             BOOLEAN exclusive )
1725 {
1726     NTSTATUS    ret;
1727     HANDLE      handle;
1728     BOOLEAN     async;
1729
1730     if (apc || io_status || key)
1731     {
1732         FIXME("Unimplemented yet parameter\n");
1733         return STATUS_NOT_IMPLEMENTED;
1734     }
1735
1736     for (;;)
1737     {
1738         SERVER_START_REQ( lock_file )
1739         {
1740             req->handle      = hFile;
1741             req->offset_low  = offset->u.LowPart;
1742             req->offset_high = offset->u.HighPart;
1743             req->count_low   = count->u.LowPart;
1744             req->count_high  = count->u.HighPart;
1745             req->shared      = !exclusive;
1746             req->wait        = !dont_wait;
1747             ret = wine_server_call( req );
1748             handle = reply->handle;
1749             async  = reply->overlapped;
1750         }
1751         SERVER_END_REQ;
1752         if (ret != STATUS_PENDING)
1753         {
1754             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1755             return ret;
1756         }
1757
1758         if (async)
1759         {
1760             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1761             if (handle) NtClose( handle );
1762             return STATUS_PENDING;
1763         }
1764         if (handle)
1765         {
1766             NtWaitForSingleObject( handle, FALSE, NULL );
1767             NtClose( handle );
1768         }
1769         else
1770         {
1771             LARGE_INTEGER time;
1772
1773             /* Unix lock conflict, sleep a bit and retry */
1774             time.QuadPart = 100 * (ULONGLONG)10000;
1775             time.QuadPart = -time.QuadPart;
1776             NtDelayExecution( FALSE, &time );
1777         }
1778     }
1779 }
1780
1781
1782 /******************************************************************
1783  *              NtUnlockFile    (NTDLL.@)
1784  *
1785  *
1786  */
1787 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1788                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
1789                               PULONG key )
1790 {
1791     NTSTATUS status;
1792
1793     TRACE( "%p %lx%08lx %lx%08lx\n",
1794            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1795
1796     if (io_status || key)
1797     {
1798         FIXME("Unimplemented yet parameter\n");
1799         return STATUS_NOT_IMPLEMENTED;
1800     }
1801
1802     SERVER_START_REQ( unlock_file )
1803     {
1804         req->handle      = hFile;
1805         req->offset_low  = offset->u.LowPart;
1806         req->offset_high = offset->u.HighPart;
1807         req->count_low   = count->u.LowPart;
1808         req->count_high  = count->u.HighPart;
1809         status = wine_server_call( req );
1810     }
1811     SERVER_END_REQ;
1812     return status;
1813 }
1814
1815 /******************************************************************
1816  *              NtCreateNamedPipeFile    (NTDLL.@)
1817  *
1818  *
1819  */
1820 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
1821                                        POBJECT_ATTRIBUTES oa, PIO_STATUS_BLOCK iosb,
1822                                        ULONG sharing, ULONG dispo, ULONG options,
1823                                        ULONG pipe_type, ULONG read_mode,
1824                                        ULONG completion_mode, ULONG max_inst,
1825                                        ULONG inbound_quota, ULONG outbound_quota,
1826                                        PLARGE_INTEGER timeout)
1827 {
1828     NTSTATUS    status;
1829     static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1830
1831     TRACE("(%p %lx %p %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p): stub\n",
1832           handle, access, oa, iosb, sharing, dispo, options, pipe_type,
1833           read_mode, completion_mode, max_inst, inbound_quota, outbound_quota,
1834           timeout);
1835
1836     if (oa->ObjectName->Length < sizeof(leadin) ||
1837         strncmpiW( oa->ObjectName->Buffer,
1838                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1839         return STATUS_OBJECT_NAME_INVALID;
1840     /* assume we only get relative timeout, and storable in a DWORD as ms */
1841     if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
1842         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
1843
1844     SERVER_START_REQ( create_named_pipe )
1845     {
1846         req->options = options; /* FIXME not used in server yet !!!! */
1847         req->flags =
1848             (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
1849             (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ  : 0 |
1850             (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE  : 0;
1851         req->maxinstances = max_inst;
1852         req->outsize = outbound_quota;
1853         req->insize  = inbound_quota;
1854         req->timeout = timeout->QuadPart / -10000;
1855         req->inherit = (oa->Attributes & OBJ_INHERIT) != 0;
1856         wine_server_add_data( req, oa->ObjectName->Buffer + 4,
1857                               oa->ObjectName->Length - 4 * sizeof(WCHAR) );
1858         status = wine_server_call( req );
1859         if (!status) *handle = reply->handle;
1860     }
1861     SERVER_END_REQ;
1862     return status;
1863 }
1864
1865 /******************************************************************
1866  *              NtDeleteFile    (NTDLL.@)
1867  *
1868  *
1869  */
1870 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
1871 {
1872     NTSTATUS status;
1873     HANDLE hFile;
1874     IO_STATUS_BLOCK io;
1875
1876     TRACE("%p\n", ObjectAttributes);
1877     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE, ObjectAttributes,
1878                            &io, NULL, 0,
1879                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1880                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
1881     if (status == STATUS_SUCCESS) status = NtClose(hFile);
1882     return status;
1883 }
1884
1885 /******************************************************************
1886  *              NtCancelIoFile    (NTDLL.@)
1887  *
1888  *
1889  */
1890 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
1891 {
1892     LARGE_INTEGER timeout;
1893
1894     TRACE("%p %p\n", hFile, io_status );
1895
1896     SERVER_START_REQ( cancel_async )
1897     {
1898         req->handle = hFile;
1899         wine_server_call( req );
1900     }
1901     SERVER_END_REQ;
1902     /* Let some APC be run, so that we can run the remaining APCs on hFile
1903      * either the cancelation of the pending one, but also the execution
1904      * of the queued APC, but not yet run. This is needed to ensure proper
1905      * clean-up of allocated data.
1906      */
1907     timeout.u.LowPart = timeout.u.HighPart = 0;
1908     return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
1909 }
1910
1911 /******************************************************************************
1912  *  NtCreateMailslotFile        [NTDLL.@]
1913  *  ZwCreateMailslotFile        [NTDLL.@]
1914  *
1915  * PARAMS
1916  *  pHandle          [O] pointer to receive the handle created
1917  *  DesiredAccess    [I] access mode (read, write, etc)
1918  *  ObjectAttributes [I] fully qualified NT path of the mailslot
1919  *  IoStatusBlock    [O] receives completion status and other info
1920  *  CreateOptions    [I]
1921  *  MailslotQuota    [I]
1922  *  MaxMessageSize   [I]
1923  *  TimeOut          [I]
1924  *
1925  * RETURNS
1926  *  An NT status code
1927  */
1928 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
1929      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
1930      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
1931      PLARGE_INTEGER TimeOut)
1932 {
1933     static const WCHAR leadin[] = {
1934         '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
1935     NTSTATUS ret;
1936
1937     TRACE("%p %08lx %p %p %08lx %08lx %08lx %p\n",
1938               pHandle, DesiredAccess, attr, IoStatusBlock,
1939               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
1940
1941     if (attr->ObjectName->Length < sizeof(leadin) ||
1942         strncmpiW( attr->ObjectName->Buffer,
1943                    leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1944     {
1945         return STATUS_OBJECT_NAME_INVALID;
1946     }
1947
1948     SERVER_START_REQ( create_mailslot )
1949     {
1950         req->max_msgsize = MaxMessageSize;
1951         req->read_timeout = TimeOut->QuadPart / -10000;
1952         req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
1953         wine_server_add_data( req, attr->ObjectName->Buffer + 4,
1954                               attr->ObjectName->Length - 4*sizeof(WCHAR) );
1955         ret = wine_server_call( req );
1956         if( ret == STATUS_SUCCESS )
1957             *pHandle = reply->handle;
1958     }
1959     SERVER_END_REQ;
1960
1961     return ret;
1962 }