dlls/ntdll/file.c

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