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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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_SYS_IOCTL_H
  46 #include <sys/ioctl.h>
  47 #endif
  48 #ifdef HAVE_SYS_FILIO_H
  49 # include <sys/filio.h>
  50 #endif
  51 #ifdef HAVE_POLL_H
  52 #include <poll.h>
  53 #endif
  54 #ifdef HAVE_SYS_POLL_H
  55 #include <sys/poll.h>
  56 #endif
  57 #ifdef HAVE_SYS_SOCKET_H
  58 #include <sys/socket.h>
  59 #endif
  60 #ifdef HAVE_UTIME_H
  61 # include <utime.h>
  62 #endif
  63 #ifdef HAVE_SYS_VFS_H
  64 # include <sys/vfs.h>
  65 #endif
  66 #ifdef HAVE_SYS_MOUNT_H
  67 # include <sys/mount.h>
  68 #endif
  69 #ifdef HAVE_SYS_STATFS_H
  70 # include <sys/statfs.h>
  71 #endif
  72 #ifdef HAVE_VALGRIND_MEMCHECK_H
  73 # include <valgrind/memcheck.h>
  74 #endif
  75
  76 #define NONAMELESSUNION
  77 #define NONAMELESSSTRUCT
  78 #include "ntstatus.h"
  79 #define WIN32_NO_STATUS
  80 #include "wine/unicode.h"
  81 #include "wine/debug.h"
  82 #include "wine/server.h"
  83 #include "ntdll_misc.h"
  84
  85 #include "winternl.h"
  86 #include "winioctl.h"
  87 #include "ddk/ntddser.h"
  88
  89 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  90
  91 mode_t FILE_umask = 0;
  92
  93 #define SECSPERDAY         86400
  94 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  95
  96
  97 /**************************************************************************
  98  *                 FILE_CreateFile                    (internal)
  99  * Open a file.
 100  *
 101  * Parameter set fully identical with NtCreateFile
 102  */
 103 static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 104                                  PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 105                                  ULONG attributes, ULONG sharing, ULONG disposition,
 106                                  ULONG options, PVOID ea_buffer, ULONG ea_length )
 107 {
 108     ANSI_STRING unix_name;
 109     int created = FALSE;
 110
 111     TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
 112           "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
 113           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
 114           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
 115           attributes, sharing, disposition, options, ea_buffer, ea_length );
 116
 117     if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
 118
 119     if (alloc_size) FIXME( "alloc_size not supported\n" );
 120
 121     if (options & FILE_OPEN_BY_FILE_ID)
 122         io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
 123     else
 124         io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
 125
 126     if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
 127     {
 128         SERVER_START_REQ( open_file_object )
 129         {
 130             req->access     = access;
 131             req->attributes = attr->Attributes;
 132             req->rootdir    = wine_server_obj_handle( attr->RootDirectory );
 133             req->sharing    = sharing;
 134             req->options    = options;
 135             wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
 136             io->u.Status = wine_server_call( req );
 137             *handle = wine_server_ptr_handle( reply->handle );
 138         }
 139         SERVER_END_REQ;
 140         if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
 141         return io->u.Status;
 142     }
 143
 144     if (io->u.Status == STATUS_NO_SUCH_FILE &&
 145         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
 146     {
 147         created = TRUE;
 148         io->u.Status = STATUS_SUCCESS;
 149     }
 150
 151     if (io->u.Status == STATUS_SUCCESS)
 152     {
 153         struct security_descriptor *sd;
 154         struct object_attributes objattr;
 155
 156         objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
 157         objattr.name_len = 0;
 158         io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
 159         if (io->u.Status != STATUS_SUCCESS)
 160         {
 161             RtlFreeAnsiString( &unix_name );
 162             return io->u.Status;
 163         }
 164
 165         SERVER_START_REQ( create_file )
 166         {
 167             req->access     = access;
 168             req->attributes = attr->Attributes;
 169             req->sharing    = sharing;
 170             req->create     = disposition;
 171             req->options    = options;
 172             req->attrs      = attributes;
 173             wine_server_add_data( req, &objattr, sizeof(objattr) );
 174             if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
 175             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
 176             io->u.Status = wine_server_call( req );
 177             *handle = wine_server_ptr_handle( reply->handle );
 178         }
 179         SERVER_END_REQ;
 180         NTDLL_free_struct_sd( sd );
 181         RtlFreeAnsiString( &unix_name );
 182     }
 183     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
 184
 185     if (io->u.Status == STATUS_SUCCESS)
 186     {
 187         if (created) io->Information = FILE_CREATED;
 188         else switch(disposition)
 189         {
 190         case FILE_SUPERSEDE:
 191             io->Information = FILE_SUPERSEDED;
 192             break;
 193         case FILE_CREATE:
 194             io->Information = FILE_CREATED;
 195             break;
 196         case FILE_OPEN:
 197         case FILE_OPEN_IF:
 198             io->Information = FILE_OPENED;
 199             break;
 200         case FILE_OVERWRITE:
 201         case FILE_OVERWRITE_IF:
 202             io->Information = FILE_OVERWRITTEN;
 203             break;
 204         }
 205     }
 206
 207     return io->u.Status;
 208 }
 209
 210 /**************************************************************************
 211  *                 NtOpenFile                           [NTDLL.@]
 212  *                 ZwOpenFile                           [NTDLL.@]
 213  *
 214  * Open a file.
 215  *
 216  * PARAMS
 217  *  handle    [O] Variable that receives the file handle on return
 218  *  access    [I] Access desired by the caller to the file
 219  *  attr      [I] Structure describing the file to be opened
 220  *  io        [O] Receives details about the result of the operation
 221  *  sharing   [I] Type of shared access the caller requires
 222  *  options   [I] Options for the file open
 223  *
 224  * RETURNS
 225  *  Success: 0. FileHandle and IoStatusBlock are updated.
 226  *  Failure: An NTSTATUS error code describing the error.
 227  */
 228 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
 229                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
 230                             ULONG sharing, ULONG options )
 231 {
 232     return FILE_CreateFile( handle, access, attr, io, NULL, 0,
 233                             sharing, FILE_OPEN, options, NULL, 0 );
 234 }
 235
 236 /**************************************************************************
 237  *              NtCreateFile                            [NTDLL.@]
 238  *              ZwCreateFile                            [NTDLL.@]
 239  *
 240  * Either create a new file or directory, or open an existing file, device,
 241  * directory or volume.
 242  *
 243  * PARAMS
 244  *      handle       [O] Points to a variable which receives the file handle on return
 245  *      access       [I] Desired access to the file
 246  *      attr         [I] Structure describing the file
 247  *      io           [O] Receives information about the operation on return
 248  *      alloc_size   [I] Initial size of the file in bytes
 249  *      attributes   [I] Attributes to create the file with
 250  *      sharing      [I] Type of shared access the caller would like to the file
 251  *      disposition  [I] Specifies what to do, depending on whether the file already exists
 252  *      options      [I] Options for creating a new file
 253  *      ea_buffer    [I] Pointer to an extended attributes buffer
 254  *      ea_length    [I] Length of ea_buffer
 255  *
 256  * RETURNS
 257  *  Success: 0. handle and io are updated.
 258  *  Failure: An NTSTATUS error code describing the error.
 259  */
 260 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 261                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 262                               ULONG attributes, ULONG sharing, ULONG disposition,
 263                               ULONG options, PVOID ea_buffer, ULONG ea_length )
 264 {
 265     return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
 266                             sharing, disposition, options, ea_buffer, ea_length );
 267 }
 268
 269 /***********************************************************************
 270  *                  Asynchronous file I/O                              *
 271  */
 272
 273 struct async_fileio
 274 {
 275     HANDLE              handle;
 276     PIO_APC_ROUTINE     apc;
 277     void               *apc_arg;
 278 };
 279
 280 typedef struct
 281 {
 282     struct async_fileio io;
 283     char*               buffer;
 284     unsigned int        already;
 285     unsigned int        count;
 286     BOOL                avail_mode;
 287 } async_fileio_read;
 288
 289 typedef struct
 290 {
 291     struct async_fileio io;
 292     const char         *buffer;
 293     unsigned int        already;
 294     unsigned int        count;
 295 } async_fileio_write;
 296
 297
 298 /* callback for file I/O user APC */
 299 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
 300 {
 301     struct async_fileio *async = arg;
 302     if (async->apc) async->apc( async->apc_arg, io, reserved );
 303     RtlFreeHeap( GetProcessHeap(), 0, async );
 304 }
 305
 306 /***********************************************************************
 307  *           FILE_GetNtStatus(void)
 308  *
 309  * Retrieve the Nt Status code from errno.
 310  * Try to be consistent with FILE_SetDosError().
 311  */
 312 NTSTATUS FILE_GetNtStatus(void)
 313 {
 314     int err = errno;
 315
 316     TRACE( "errno = %d\n", errno );
 317     switch (err)
 318     {
 319     case EAGAIN:    return STATUS_SHARING_VIOLATION;
 320     case EBADF:     return STATUS_INVALID_HANDLE;
 321     case EBUSY:     return STATUS_DEVICE_BUSY;
 322     case ENOSPC:    return STATUS_DISK_FULL;
 323     case EPERM:
 324     case EROFS:
 325     case EACCES:    return STATUS_ACCESS_DENIED;
 326     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
 327     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
 328     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
 329     case EMFILE:
 330     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
 331     case EINVAL:    return STATUS_INVALID_PARAMETER;
 332     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
 333     case EPIPE:     return STATUS_PIPE_DISCONNECTED;
 334     case EIO:       return STATUS_DEVICE_NOT_READY;
 335 #ifdef ENOMEDIUM
 336     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
 337 #endif
 338     case ENXIO:     return STATUS_NO_SUCH_DEVICE;
 339     case ENOTTY:
 340     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
 341     case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
 342     case EFAULT:    return STATUS_ACCESS_VIOLATION;
 343     case ESPIPE:    return STATUS_ILLEGAL_FUNCTION;
 344     case ENOEXEC:   /* ?? */
 345     case EEXIST:    /* ?? */
 346     default:
 347         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 348         return STATUS_UNSUCCESSFUL;
 349     }
 350 }
 351
 352 /***********************************************************************
 353  *             FILE_AsyncReadService      (INTERNAL)
 354  */
 355 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
 356 {
 357     async_fileio_read *fileio = user;
 358     int fd, needs_close, result;
 359
 360     switch (status)
 361     {
 362     case STATUS_ALERTED: /* got some new data */
 363         /* check to see if the data is ready (non-blocking) */
 364         if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
 365                                           &needs_close, NULL, NULL )))
 366             break;
 367
 368         result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
 369         if (needs_close) close( fd );
 370
 371         if (result < 0)
 372         {
 373             if (errno == EAGAIN || errno == EINTR)
 374                 status = STATUS_PENDING;
 375             else /* check to see if the transfer is complete */
 376                 status = FILE_GetNtStatus();
 377         }
 378         else if (result == 0)
 379         {
 380             status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
 381         }
 382         else
 383         {
 384             fileio->already += result;
 385             if (fileio->already >= fileio->count || fileio->avail_mode)
 386                 status = STATUS_SUCCESS;
 387             else
 388             {
 389                 /* if we only have to read the available data, and none is available,
 390                  * simply cancel the request. If data was available, it has been read
 391                  * while in by previous call (NtDelayExecution)
 392                  */
 393                 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
 394             }
 395         }
 396         break;
 397
 398     case STATUS_TIMEOUT:
 399     case STATUS_IO_TIMEOUT:
 400         if (fileio->already) status = STATUS_SUCCESS;
 401         break;
 402     }
 403     if (status != STATUS_PENDING)
 404     {
 405         iosb->u.Status = status;
 406         iosb->Information = fileio->already;
 407         *apc = fileio_apc;
 408     }
 409     return status;
 410 }
 411
 412 struct io_timeouts
 413 {
 414     int interval;   /* max interval between two bytes */
 415     int total;      /* total timeout for the whole operation */
 416     int end_time;   /* absolute time of end of operation */
 417 };
 418
 419 /* retrieve the I/O timeouts to use for a given handle */
 420 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
 421                                  struct io_timeouts *timeouts )
 422 {
 423     NTSTATUS status = STATUS_SUCCESS;
 424
 425     timeouts->interval = timeouts->total = -1;
 426
 427     switch(type)
 428     {
 429     case FD_TYPE_SERIAL:
 430         {
 431             /* GetCommTimeouts */
 432             SERIAL_TIMEOUTS st;
 433             IO_STATUS_BLOCK io;
 434
 435             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 436                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 437             if (status) break;
 438
 439             if (is_read)
 440             {
 441                 if (st.ReadIntervalTimeout)
 442                     timeouts->interval = st.ReadIntervalTimeout;
 443
 444                 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
 445                 {
 446                     timeouts->total = st.ReadTotalTimeoutConstant;
 447                     if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
 448                         timeouts->total += count * st.ReadTotalTimeoutMultiplier;
 449                 }
 450                 else if (st.ReadIntervalTimeout == MAXDWORD)
 451                     timeouts->interval = timeouts->total = 0;
 452             }
 453             else  /* write */
 454             {
 455                 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
 456                 {
 457                     timeouts->total = st.WriteTotalTimeoutConstant;
 458                     if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
 459                         timeouts->total += count * st.WriteTotalTimeoutMultiplier;
 460                 }
 461             }
 462         }
 463         break;
 464     case FD_TYPE_MAILSLOT:
 465         if (is_read)
 466         {
 467             timeouts->interval = 0;  /* return as soon as we got something */
 468             SERVER_START_REQ( set_mailslot_info )
 469             {
 470                 req->handle = wine_server_obj_handle( handle );
 471                 req->flags = 0;
 472                 if (!(status = wine_server_call( req )) &&
 473                     reply->read_timeout != TIMEOUT_INFINITE)
 474                     timeouts->total = reply->read_timeout / -10000;
 475             }
 476             SERVER_END_REQ;
 477         }
 478         break;
 479     case FD_TYPE_SOCKET:
 480     case FD_TYPE_PIPE:
 481     case FD_TYPE_CHAR:
 482         if (is_read) timeouts->interval = 0;  /* return as soon as we got something */
 483         break;
 484     default:
 485         break;
 486     }
 487     if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
 488     return STATUS_SUCCESS;
 489 }
 490
 491
 492 /* retrieve the timeout for the next wait, in milliseconds */
 493 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
 494 {
 495     int ret = -1;
 496
 497     if (timeouts->total != -1)
 498     {
 499         ret = timeouts->end_time - NtGetTickCount();
 500         if (ret < 0) ret = 0;
 501     }
 502     if (already && timeouts->interval != -1)
 503     {
 504         if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
 505     }
 506     return ret;
 507 }
 508
 509
 510 /* retrieve the avail_mode flag for async reads */
 511 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
 512 {
 513     NTSTATUS status = STATUS_SUCCESS;
 514
 515     switch(type)
 516     {
 517     case FD_TYPE_SERIAL:
 518         {
 519             /* GetCommTimeouts */
 520             SERIAL_TIMEOUTS st;
 521             IO_STATUS_BLOCK io;
 522
 523             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 524                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 525             if (status) break;
 526             *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
 527                            !st.ReadTotalTimeoutConstant &&
 528                            st.ReadIntervalTimeout == MAXDWORD);
 529         }
 530         break;
 531     case FD_TYPE_MAILSLOT:
 532     case FD_TYPE_SOCKET:
 533     case FD_TYPE_PIPE:
 534     case FD_TYPE_CHAR:
 535         *avail_mode = TRUE;
 536         break;
 537     default:
 538         *avail_mode = FALSE;
 539         break;
 540     }
 541     return status;
 542 }
 543
 544
 545 /******************************************************************************
 546  *  NtReadFile                                  [NTDLL.@]
 547  *  ZwReadFile                                  [NTDLL.@]
 548  *
 549  * Read from an open file handle.
 550  *
 551  * PARAMS
 552  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 553  *  Event         [I] Event to signal upon completion (or NULL)
 554  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 555  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 556  *  IoStatusBlock [O] Receives information about the operation on return
 557  *  Buffer        [O] Destination for the data read
 558  *  Length        [I] Size of Buffer
 559  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 560  *  Key           [O] Function unknown (may be NULL)
 561  *
 562  * RETURNS
 563  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 564  *           The number of bytes read.
 565  *  Failure: An NTSTATUS error code describing the error.
 566  */
 567 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 568                            PIO_APC_ROUTINE apc, void* apc_user,
 569                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 570                            PLARGE_INTEGER offset, PULONG key)
 571 {
 572     int result, unix_handle, needs_close, timeout_init_done = 0;
 573     unsigned int options;
 574     struct io_timeouts timeouts;
 575     NTSTATUS status;
 576     ULONG total = 0;
 577     enum server_fd_type type;
 578     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 579
 580     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
 581           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 582
 583     if (!io_status) return STATUS_ACCESS_VIOLATION;
 584
 585     status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
 586                                  &needs_close, &type, &options );
 587     if (status) return status;
 588
 589     if (!virtual_check_buffer_for_write( buffer, length ))
 590     {
 591         status = STATUS_ACCESS_VIOLATION;
 592         goto done;
 593     }
 594
 595     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 596     {
 597         /* async I/O doesn't make sense on regular files */
 598         while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
 599         {
 600             if (errno != EINTR)
 601             {
 602                 status = FILE_GetNtStatus();
 603                 goto done;
 604             }
 605         }
 606         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 607             /* update file pointer position */
 608             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 609
 610         total = result;
 611         status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 612         goto done;
 613     }
 614
 615     for (;;)
 616     {
 617         if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
 618         {
 619             total += result;
 620             if (!result || total == length)
 621             {
 622                 if (total)
 623                 {
 624                     status = STATUS_SUCCESS;
 625                     goto done;
 626                 }
 627                 switch (type)
 628                 {
 629                 case FD_TYPE_FILE:
 630                 case FD_TYPE_CHAR:
 631                     status = STATUS_END_OF_FILE;
 632                     goto done;
 633                 case FD_TYPE_SERIAL:
 634                     break;
 635                 default:
 636                     status = STATUS_PIPE_BROKEN;
 637                     goto done;
 638                 }
 639             }
 640             else if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
 641         }
 642         else if (errno != EAGAIN)
 643         {
 644             if (errno == EINTR) continue;
 645             if (!total) status = FILE_GetNtStatus();
 646             goto done;
 647         }
 648
 649         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
 650         {
 651             async_fileio_read *fileio;
 652             BOOL avail_mode;
 653
 654             if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
 655                 goto err;
 656             if (total && avail_mode)
 657             {
 658                 status = STATUS_SUCCESS;
 659                 goto done;
 660             }
 661
 662             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
 663             {
 664                 status = STATUS_NO_MEMORY;
 665                 goto err;
 666             }
 667             fileio->io.handle  = hFile;
 668             fileio->io.apc     = apc;
 669             fileio->io.apc_arg = apc_user;
 670             fileio->already = total;
 671             fileio->count = length;
 672             fileio->buffer = buffer;
 673             fileio->avail_mode = avail_mode;
 674
 675             SERVER_START_REQ( register_async )
 676             {
 677                 req->type   = ASYNC_TYPE_READ;
 678                 req->count  = length;
 679                 req->async.handle   = wine_server_obj_handle( hFile );
 680                 req->async.event    = wine_server_obj_handle( hEvent );
 681                 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
 682                 req->async.iosb     = wine_server_client_ptr( io_status );
 683                 req->async.arg      = wine_server_client_ptr( fileio );
 684                 req->async.cvalue   = cvalue;
 685                 status = wine_server_call( req );
 686             }
 687             SERVER_END_REQ;
 688
 689             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
 690             goto err;
 691         }
 692         else  /* synchronous read, wait for the fd to become ready */
 693         {
 694             struct pollfd pfd;
 695             int ret, timeout;
 696
 697             if (!timeout_init_done)
 698             {
 699                 timeout_init_done = 1;
 700                 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
 701                     goto err;
 702                 if (hEvent) NtResetEvent( hEvent, NULL );
 703             }
 704             timeout = get_next_io_timeout( &timeouts, total );
 705
 706             pfd.fd = unix_handle;
 707             pfd.events = POLLIN;
 708
 709             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
 710             {
 711                 if (total)  /* return with what we got so far */
 712                     status = STATUS_SUCCESS;
 713                 else
 714                     status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
 715                 goto done;
 716             }
 717             if (ret == -1 && errno != EINTR)
 718             {
 719                 status = FILE_GetNtStatus();
 720                 goto done;
 721             }
 722             /* will now restart the read */
 723         }
 724     }
 725
 726 done:
 727     if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
 728
 729 err:
 730     if (needs_close) close( unix_handle );
 731     if (status == STATUS_SUCCESS)
 732     {
 733         io_status->u.Status = status;
 734         io_status->Information = total;
 735         TRACE("= SUCCESS (%u)\n", total);
 736         if (hEvent) NtSetEvent( hEvent, NULL );
 737         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 738                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 739     }
 740     else
 741     {
 742         TRACE("= 0x%08x\n", status);
 743         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
 744     }
 745     return status;
 746 }
 747
 748
 749 /******************************************************************************
 750  *  NtReadFileScatter   [NTDLL.@]
 751  *  ZwReadFileScatter   [NTDLL.@]
 752  */
 753 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
 754                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
 755                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
 756 {
 757     size_t page_size = getpagesize();
 758     int result, unix_handle, needs_close;
 759     unsigned int options;
 760     NTSTATUS status;
 761     ULONG pos = 0, total = 0;
 762     enum server_fd_type type;
 763     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 764
 765     TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
 766            file, event, apc, apc_user, io_status, segments, length, offset, key);
 767
 768     if (length % page_size) return STATUS_INVALID_PARAMETER;
 769     if (!io_status) return STATUS_ACCESS_VIOLATION;
 770
 771     status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
 772                                  &needs_close, &type, &options );
 773     if (status) return status;
 774
 775     if ((type != FD_TYPE_FILE) ||
 776         (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
 777         !(options & FILE_NO_INTERMEDIATE_BUFFERING))
 778     {
 779         status = STATUS_INVALID_PARAMETER;
 780         goto error;
 781     }
 782
 783     while (length)
 784     {
 785         if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
 786             result = pread( unix_handle, (char *)segments->Buffer + pos,
 787                             page_size - pos, offset->QuadPart + total );
 788         else
 789             result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
 790
 791         if (result == -1)
 792         {
 793             if (errno == EINTR) continue;
 794             status = FILE_GetNtStatus();
 795             break;
 796         }
 797         if (!result)
 798         {
 799             status = STATUS_END_OF_FILE;
 800             break;
 801         }
 802         total += result;
 803         length -= result;
 804         if ((pos += result) == page_size)
 805         {
 806             pos = 0;
 807             segments++;
 808         }
 809     }
 810
 811     if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
 812
 813  error:
 814     if (needs_close) close( unix_handle );
 815     if (status == STATUS_SUCCESS)
 816     {
 817         io_status->u.Status = status;
 818         io_status->Information = total;
 819         TRACE("= SUCCESS (%u)\n", total);
 820         if (event) NtSetEvent( event, NULL );
 821         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 822                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 823     }
 824     else
 825     {
 826         TRACE("= 0x%08x\n", status);
 827         if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
 828     }
 829     return status;
 830 }
 831
 832
 833 /***********************************************************************
 834  *             FILE_AsyncWriteService      (INTERNAL)
 835  */
 836 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
 837 {
 838     async_fileio_write *fileio = user;
 839     int result, fd, needs_close;
 840     enum server_fd_type type;
 841
 842     switch (status)
 843     {
 844     case STATUS_ALERTED:
 845         /* write some data (non-blocking) */
 846         if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
 847                                           &needs_close, &type, NULL )))
 848             break;
 849
 850         if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 851             result = send( fd, fileio->buffer, 0, 0 );
 852         else
 853             result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
 854
 855         if (needs_close) close( fd );
 856
 857         if (result < 0)
 858         {
 859             if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
 860             else status = FILE_GetNtStatus();
 861         }
 862         else
 863         {
 864             fileio->already += result;
 865             status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 866         }
 867         break;
 868
 869     case STATUS_TIMEOUT:
 870     case STATUS_IO_TIMEOUT:
 871         if (fileio->already) status = STATUS_SUCCESS;
 872         break;
 873     }
 874     if (status != STATUS_PENDING)
 875     {
 876         iosb->u.Status = status;
 877         iosb->Information = fileio->already;
 878         *apc = fileio_apc;
 879     }
 880     return status;
 881 }
 882
 883 /******************************************************************************
 884  *  NtWriteFile                                 [NTDLL.@]
 885  *  ZwWriteFile                                 [NTDLL.@]
 886  *
 887  * Write to an open file handle.
 888  *
 889  * PARAMS
 890  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 891  *  Event         [I] Event to signal upon completion (or NULL)
 892  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 893  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 894  *  IoStatusBlock [O] Receives information about the operation on return
 895  *  Buffer        [I] Source for the data to write
 896  *  Length        [I] Size of Buffer
 897  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 898  *  Key           [O] Function unknown (may be NULL)
 899  *
 900  * RETURNS
 901  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 902  *           The number of bytes written.
 903  *  Failure: An NTSTATUS error code describing the error.
 904  */
 905 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 906                             PIO_APC_ROUTINE apc, void* apc_user,
 907                             PIO_STATUS_BLOCK io_status,
 908                             const void* buffer, ULONG length,
 909                             PLARGE_INTEGER offset, PULONG key)
 910 {
 911     int result, unix_handle, needs_close, timeout_init_done = 0;
 912     unsigned int options;
 913     struct io_timeouts timeouts;
 914     NTSTATUS status;
 915     ULONG total = 0;
 916     enum server_fd_type type;
 917     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 918
 919     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
 920           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 921
 922     if (!io_status) return STATUS_ACCESS_VIOLATION;
 923
 924     status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
 925                                  &needs_close, &type, &options );
 926     if (status) return status;
 927
 928     if (!virtual_check_buffer_for_read( buffer, length ))
 929     {
 930         status = STATUS_INVALID_USER_BUFFER;
 931         goto done;
 932     }
 933
 934     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 935     {
 936         /* async I/O doesn't make sense on regular files */
 937         while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
 938         {
 939             if (errno != EINTR)
 940             {
 941                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
 942                 else status = FILE_GetNtStatus();
 943                 goto done;
 944             }
 945         }
 946
 947         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 948             /* update file pointer position */
 949             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 950
 951         total = result;
 952         status = STATUS_SUCCESS;
 953         goto done;
 954     }
 955
 956     for (;;)
 957     {
 958         /* zero-length writes on sockets may not work with plain write(2) */
 959         if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 960             result = send( unix_handle, buffer, 0, 0 );
 961         else
 962             result = write( unix_handle, (const char *)buffer + total, length - total );
 963
 964         if (result >= 0)
 965         {
 966             total += result;
 967             if (total == length)
 968             {
 969                 status = STATUS_SUCCESS;
 970                 goto done;
 971             }
 972             if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
 973         }
 974         else if (errno != EAGAIN)
 975         {
 976             if (errno == EINTR) continue;
 977             if (!total)
 978             {
 979                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
 980                 else status = FILE_GetNtStatus();
 981             }
 982             goto done;
 983         }
 984
 985         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
 986         {
 987             async_fileio_write *fileio;
 988
 989             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
 990             {
 991                 status = STATUS_NO_MEMORY;
 992                 goto err;
 993             }
 994             fileio->io.handle  = hFile;
 995             fileio->io.apc     = apc;
 996             fileio->io.apc_arg = apc_user;
 997             fileio->already = total;
 998             fileio->count = length;
 999             fileio->buffer = buffer;
1000
1001             SERVER_START_REQ( register_async )
1002             {
1003                 req->type   = ASYNC_TYPE_WRITE;
1004                 req->count  = length;
1005                 req->async.handle   = wine_server_obj_handle( hFile );
1006                 req->async.event    = wine_server_obj_handle( hEvent );
1007                 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
1008                 req->async.iosb     = wine_server_client_ptr( io_status );
1009                 req->async.arg      = wine_server_client_ptr( fileio );
1010                 req->async.cvalue   = cvalue;
1011                 status = wine_server_call( req );
1012             }
1013             SERVER_END_REQ;
1014
1015             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1016             goto err;
1017         }
1018         else  /* synchronous write, wait for the fd to become ready */
1019         {
1020             struct pollfd pfd;
1021             int ret, timeout;
1022
1023             if (!timeout_init_done)
1024             {
1025                 timeout_init_done = 1;
1026                 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1027                     goto err;
1028                 if (hEvent) NtResetEvent( hEvent, NULL );
1029             }
1030             timeout = get_next_io_timeout( &timeouts, total );
1031
1032             pfd.fd = unix_handle;
1033             pfd.events = POLLOUT;
1034
1035             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1036             {
1037                 /* return with what we got so far */
1038                 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1039                 goto done;
1040             }
1041             if (ret == -1 && errno != EINTR)
1042             {
1043                 status = FILE_GetNtStatus();
1044                 goto done;
1045             }
1046             /* will now restart the write */
1047         }
1048     }
1049
1050 done:
1051     if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
1052
1053 err:
1054     if (needs_close) close( unix_handle );
1055     if (status == STATUS_SUCCESS)
1056     {
1057         io_status->u.Status = status;
1058         io_status->Information = total;
1059         TRACE("= SUCCESS (%u)\n", total);
1060         if (hEvent) NtSetEvent( hEvent, NULL );
1061         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1062                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1063     }
1064     else
1065     {
1066         TRACE("= 0x%08x\n", status);
1067         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1068     }
1069     return status;
1070 }
1071
1072
1073 /******************************************************************************
1074  *  NtWriteFileGather   [NTDLL.@]
1075  *  ZwWriteFileGather   [NTDLL.@]
1076  */
1077 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1078                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1079                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
1080 {
1081     size_t page_size = getpagesize();
1082     int result, unix_handle, needs_close;
1083     unsigned int options;
1084     NTSTATUS status;
1085     ULONG pos = 0, total = 0;
1086     enum server_fd_type type;
1087     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1088
1089     TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1090            file, event, apc, apc_user, io_status, segments, length, offset, key);
1091
1092     if (length % page_size) return STATUS_INVALID_PARAMETER;
1093     if (!io_status) return STATUS_ACCESS_VIOLATION;
1094
1095     status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1096                                  &needs_close, &type, &options );
1097     if (status) return status;
1098
1099     if ((type != FD_TYPE_FILE) ||
1100         (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1101         !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1102     {
1103         status = STATUS_INVALID_PARAMETER;
1104         goto error;
1105     }
1106
1107     while (length)
1108     {
1109         if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1110             result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1111                              page_size - pos, offset->QuadPart + total );
1112         else
1113             result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1114
1115         if (result == -1)
1116         {
1117             if (errno == EINTR) continue;
1118             if (errno == EFAULT)
1119             {
1120                 status = STATUS_INVALID_USER_BUFFER;
1121                 goto error;
1122             }
1123             status = FILE_GetNtStatus();
1124             break;
1125         }
1126         if (!result)
1127         {
1128             status = STATUS_DISK_FULL;
1129             break;
1130         }
1131         total += result;
1132         length -= result;
1133         if ((pos += result) == page_size)
1134         {
1135             pos = 0;
1136             segments++;
1137         }
1138     }
1139
1140     if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
1141
1142  error:
1143     if (needs_close) close( unix_handle );
1144     if (status == STATUS_SUCCESS)
1145     {
1146         io_status->u.Status = status;
1147         io_status->Information = total;
1148         TRACE("= SUCCESS (%u)\n", total);
1149         if (event) NtSetEvent( event, NULL );
1150         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1151                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1152     }
1153     else
1154     {
1155         TRACE("= 0x%08x\n", status);
1156         if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1157     }
1158     return status;
1159 }
1160
1161
1162 struct async_ioctl
1163 {
1164     HANDLE          handle;   /* handle to the device */
1165     HANDLE          event;    /* async event */
1166     void           *buffer;   /* buffer for output */
1167     ULONG           size;     /* size of buffer */
1168     PIO_APC_ROUTINE apc;      /* user apc params */
1169     void           *apc_arg;
1170 };
1171
1172 /* callback for ioctl user APC */
1173 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1174 {
1175     struct async_ioctl *async = arg;
1176     if (async->apc) async->apc( async->apc_arg, io, reserved );
1177     RtlFreeHeap( GetProcessHeap(), 0, async );
1178 }
1179
1180 /* callback for ioctl async I/O completion */
1181 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1182 {
1183     struct async_ioctl *async = arg;
1184
1185     if (status == STATUS_ALERTED)
1186     {
1187         SERVER_START_REQ( get_ioctl_result )
1188         {
1189             req->handle   = wine_server_obj_handle( async->handle );
1190             req->user_arg = wine_server_client_ptr( async );
1191             wine_server_set_reply( req, async->buffer, async->size );
1192             status = wine_server_call( req );
1193             if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1194         }
1195         SERVER_END_REQ;
1196     }
1197     if (status != STATUS_PENDING)
1198     {
1199         io->u.Status = status;
1200         if (async->apc || async->event) *apc = ioctl_apc;
1201     }
1202     return status;
1203 }
1204
1205 /* do a ioctl call through the server */
1206 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1207                                    PIO_APC_ROUTINE apc, PVOID apc_context,
1208                                    IO_STATUS_BLOCK *io, ULONG code,
1209                                    const void *in_buffer, ULONG in_size,
1210                                    PVOID out_buffer, ULONG out_size )
1211 {
1212     struct async_ioctl *async;
1213     NTSTATUS status;
1214     HANDLE wait_handle;
1215     ULONG options;
1216     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1217
1218     if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1219         return STATUS_NO_MEMORY;
1220     async->handle  = handle;
1221     async->event   = event;
1222     async->buffer  = out_buffer;
1223     async->size    = out_size;
1224     async->apc     = apc;
1225     async->apc_arg = apc_context;
1226
1227     SERVER_START_REQ( ioctl )
1228     {
1229         req->code           = code;
1230         req->blocking       = !apc && !event;
1231         req->async.handle   = wine_server_obj_handle( handle );
1232         req->async.callback = wine_server_client_ptr( ioctl_completion );
1233         req->async.iosb     = wine_server_client_ptr( io );
1234         req->async.arg      = wine_server_client_ptr( async );
1235         req->async.event    = wine_server_obj_handle( event );
1236         req->async.cvalue   = cvalue;
1237         wine_server_add_data( req, in_buffer, in_size );
1238         wine_server_set_reply( req, out_buffer, out_size );
1239         status = wine_server_call( req );
1240         wait_handle = wine_server_ptr_handle( reply->wait );
1241         options     = reply->options;
1242         if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1243     }
1244     SERVER_END_REQ;
1245
1246     if (status == STATUS_NOT_SUPPORTED)
1247         FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1248               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1249
1250     if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1251
1252     if (wait_handle)
1253     {
1254         NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1255         status = io->u.Status;
1256         NtClose( wait_handle );
1257         RtlFreeHeap( GetProcessHeap(), 0, async );
1258     }
1259
1260     return status;
1261 }
1262
1263 /* Tell Valgrind to ignore any holes in structs we will be passing to the
1264  * server */
1265 static void ignore_server_ioctl_struct_holes (ULONG code, const void *in_buffer,
1266                                               ULONG in_size)
1267 {
1268 #ifdef VALGRIND_MAKE_MEM_DEFINED
1269 # define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
1270     do { \
1271         if ((size) >= FIELD_OFFSET(t, f2) && \
1272             FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
1273             VALGRIND_MAKE_MEM_DEFINED( \
1274                 (const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
1275                 FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
1276     } while (0)
1277
1278     switch (code)
1279     {
1280     case FSCTL_PIPE_WAIT:
1281         IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
1282         break;
1283     }
1284 #endif
1285 }
1286
1287
1288 /**************************************************************************
1289  *              NtDeviceIoControlFile                   [NTDLL.@]
1290  *              ZwDeviceIoControlFile                   [NTDLL.@]
1291  *
1292  * Perform an I/O control operation on an open file handle.
1293  *
1294  * PARAMS
1295  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1296  *  event          [I] Event to signal upon completion (or NULL)
1297  *  apc            [I] Callback to call upon completion (or NULL)
1298  *  apc_context    [I] Context for ApcRoutine (or NULL)
1299  *  io             [O] Receives information about the operation on return
1300  *  code           [I] Control code for the operation to perform
1301  *  in_buffer      [I] Source for any input data required (or NULL)
1302  *  in_size        [I] Size of InputBuffer
1303  *  out_buffer     [O] Source for any output data returned (or NULL)
1304  *  out_size       [I] Size of OutputBuffer
1305  *
1306  * RETURNS
1307  *  Success: 0. IoStatusBlock is updated.
1308  *  Failure: An NTSTATUS error code describing the error.
1309  */
1310 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1311                                       PIO_APC_ROUTINE apc, PVOID apc_context,
1312                                       PIO_STATUS_BLOCK io, ULONG code,
1313                                       PVOID in_buffer, ULONG in_size,
1314                                       PVOID out_buffer, ULONG out_size)
1315 {
1316     ULONG device = (code >> 16);
1317     NTSTATUS status = STATUS_NOT_SUPPORTED;
1318
1319     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1320           handle, event, apc, apc_context, io, code,
1321           in_buffer, in_size, out_buffer, out_size);
1322
1323     switch(device)
1324     {
1325     case FILE_DEVICE_DISK:
1326     case FILE_DEVICE_CD_ROM:
1327     case FILE_DEVICE_DVD:
1328     case FILE_DEVICE_CONTROLLER:
1329     case FILE_DEVICE_MASS_STORAGE:
1330         status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1331                                        in_buffer, in_size, out_buffer, out_size);
1332         break;
1333     case FILE_DEVICE_SERIAL_PORT:
1334         status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1335                                       in_buffer, in_size, out_buffer, out_size);
1336         break;
1337     case FILE_DEVICE_TAPE:
1338         status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1339                                       in_buffer, in_size, out_buffer, out_size);
1340         break;
1341     }
1342
1343     if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1344         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1345                                     in_buffer, in_size, out_buffer, out_size );
1346
1347     if (status != STATUS_PENDING) io->u.Status = status;
1348     return status;
1349 }
1350
1351
1352 /**************************************************************************
1353  *              NtFsControlFile                 [NTDLL.@]
1354  *              ZwFsControlFile                 [NTDLL.@]
1355  *
1356  * Perform a file system control operation on an open file handle.
1357  *
1358  * PARAMS
1359  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1360  *  event          [I] Event to signal upon completion (or NULL)
1361  *  apc            [I] Callback to call upon completion (or NULL)
1362  *  apc_context    [I] Context for ApcRoutine (or NULL)
1363  *  io             [O] Receives information about the operation on return
1364  *  code           [I] Control code for the operation to perform
1365  *  in_buffer      [I] Source for any input data required (or NULL)
1366  *  in_size        [I] Size of InputBuffer
1367  *  out_buffer     [O] Source for any output data returned (or NULL)
1368  *  out_size       [I] Size of OutputBuffer
1369  *
1370  * RETURNS
1371  *  Success: 0. IoStatusBlock is updated.
1372  *  Failure: An NTSTATUS error code describing the error.
1373  */
1374 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1375                                 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1376                                 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1377 {
1378     NTSTATUS status;
1379
1380     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1381           handle, event, apc, apc_context, io, code,
1382           in_buffer, in_size, out_buffer, out_size);
1383
1384     if (!io) return STATUS_INVALID_PARAMETER;
1385
1386     ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
1387
1388     switch(code)
1389     {
1390     case FSCTL_DISMOUNT_VOLUME:
1391         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1392                                     in_buffer, in_size, out_buffer, out_size );
1393         if (!status) status = DIR_unmount_device( handle );
1394         break;
1395
1396     case FSCTL_PIPE_PEEK:
1397         {
1398             FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1399             int avail = 0, fd, needs_close;
1400
1401             if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1402             {
1403                 status = STATUS_INFO_LENGTH_MISMATCH;
1404                 break;
1405             }
1406
1407             if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1408                 break;
1409
1410 #ifdef FIONREAD
1411             if (ioctl( fd, FIONREAD, &avail ) != 0)
1412             {
1413                 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1414                 if (needs_close) close( fd );
1415                 status = FILE_GetNtStatus();
1416                 break;
1417             }
1418 #endif
1419             if (!avail)  /* check for closed pipe */
1420             {
1421                 struct pollfd pollfd;
1422                 int ret;
1423
1424                 pollfd.fd = fd;
1425                 pollfd.events = POLLIN;
1426                 pollfd.revents = 0;
1427                 ret = poll( &pollfd, 1, 0 );
1428                 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1429                 {
1430                     if (needs_close) close( fd );
1431                     status = STATUS_PIPE_BROKEN;
1432                     break;
1433                 }
1434             }
1435             buffer->NamedPipeState    = 0;  /* FIXME */
1436             buffer->ReadDataAvailable = avail;
1437             buffer->NumberOfMessages  = 0;  /* FIXME */
1438             buffer->MessageLength     = 0;  /* FIXME */
1439             io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1440             status = STATUS_SUCCESS;
1441             if (avail)
1442             {
1443                 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1444                 if (data_size)
1445                 {
1446                     int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1447                     if (res >= 0) io->Information += res;
1448                 }
1449             }
1450             if (needs_close) close( fd );
1451         }
1452         break;
1453
1454     case FSCTL_PIPE_DISCONNECT:
1455         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1456                                     in_buffer, in_size, out_buffer, out_size );
1457         if (!status)
1458         {
1459             int fd = server_remove_fd_from_cache( handle );
1460             if (fd != -1) close( fd );
1461         }
1462         break;
1463
1464     case FSCTL_PIPE_IMPERSONATE:
1465         FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1466         status = RtlImpersonateSelf( SecurityImpersonation );
1467         break;
1468
1469     case FSCTL_LOCK_VOLUME:
1470     case FSCTL_UNLOCK_VOLUME:
1471         FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1472               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1473         status = STATUS_SUCCESS;
1474         break;
1475
1476     case FSCTL_PIPE_LISTEN:
1477     case FSCTL_PIPE_WAIT:
1478     default:
1479         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1480                                     in_buffer, in_size, out_buffer, out_size );
1481         break;
1482     }
1483
1484     if (status != STATUS_PENDING) io->u.Status = status;
1485     return status;
1486 }
1487
1488 /******************************************************************************
1489  *  NtSetVolumeInformationFile          [NTDLL.@]
1490  *  ZwSetVolumeInformationFile          [NTDLL.@]
1491  *
1492  * Set volume information for an open file handle.
1493  *
1494  * PARAMS
1495  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1496  *  IoStatusBlock      [O] Receives information about the operation on return
1497  *  FsInformation      [I] Source for volume information
1498  *  Length             [I] Size of FsInformation
1499  *  FsInformationClass [I] Type of volume information to set
1500  *
1501  * RETURNS
1502  *  Success: 0. IoStatusBlock is updated.
1503  *  Failure: An NTSTATUS error code describing the error.
1504  */
1505 NTSTATUS WINAPI NtSetVolumeInformationFile(
1506         IN HANDLE FileHandle,
1507         PIO_STATUS_BLOCK IoStatusBlock,
1508         PVOID FsInformation,
1509         ULONG Length,
1510         FS_INFORMATION_CLASS FsInformationClass)
1511 {
1512         FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1513         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1514         return 0;
1515 }
1516
1517 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1518                                    LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1519 {
1520     RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1521     RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1522     RtlSecondsSince1970ToTime( st->st_atime, atime );
1523 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1524     mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1525 #endif
1526 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1527     ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1528 #endif
1529 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1530     atime->QuadPart += st->st_atim.tv_nsec / 100;
1531 #endif
1532     *creation = *mtime;
1533 }
1534
1535 /* fill in the file information that depends on the stat info */
1536 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1537 {
1538     switch (class)
1539     {
1540     case FileBasicInformation:
1541         {
1542             FILE_BASIC_INFORMATION *info = ptr;
1543
1544             get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1545                             &info->LastAccessTime, &info->CreationTime );
1546             if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1547             else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1548             if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1549                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1550         }
1551         break;
1552     case FileStandardInformation:
1553         {
1554             FILE_STANDARD_INFORMATION *info = ptr;
1555
1556             if ((info->Directory = S_ISDIR(st->st_mode)))
1557             {
1558                 info->AllocationSize.QuadPart = 0;
1559                 info->EndOfFile.QuadPart      = 0;
1560                 info->NumberOfLinks           = 1;
1561             }
1562             else
1563             {
1564                 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1565                 info->EndOfFile.QuadPart      = st->st_size;
1566                 info->NumberOfLinks           = st->st_nlink;
1567             }
1568         }
1569         break;
1570     case FileInternalInformation:
1571         {
1572             FILE_INTERNAL_INFORMATION *info = ptr;
1573             info->IndexNumber.QuadPart = st->st_ino;
1574         }
1575         break;
1576     case FileEndOfFileInformation:
1577         {
1578             FILE_END_OF_FILE_INFORMATION *info = ptr;
1579             info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1580         }
1581         break;
1582     case FileAllInformation:
1583         {
1584             FILE_ALL_INFORMATION *info = ptr;
1585             fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1586             fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1587             fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1588         }
1589         break;
1590     /* all directory structures start with the FileDirectoryInformation layout */
1591     case FileBothDirectoryInformation:
1592     case FileFullDirectoryInformation:
1593     case FileDirectoryInformation:
1594         {
1595             FILE_DIRECTORY_INFORMATION *info = ptr;
1596
1597             get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1598                             &info->LastAccessTime, &info->CreationTime );
1599             if (S_ISDIR(st->st_mode))
1600             {
1601                 info->AllocationSize.QuadPart = 0;
1602                 info->EndOfFile.QuadPart      = 0;
1603                 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1604             }
1605             else
1606             {
1607                 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1608                 info->EndOfFile.QuadPart      = st->st_size;
1609                 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1610             }
1611             if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1612                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1613         }
1614         break;
1615     case FileIdFullDirectoryInformation:
1616         {
1617             FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1618             info->FileId.QuadPart = st->st_ino;
1619             fill_stat_info( st, info, FileDirectoryInformation );
1620         }
1621         break;
1622     case FileIdBothDirectoryInformation:
1623         {
1624             FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1625             info->FileId.QuadPart = st->st_ino;
1626             fill_stat_info( st, info, FileDirectoryInformation );
1627         }
1628         break;
1629
1630     default:
1631         return STATUS_INVALID_INFO_CLASS;
1632     }
1633     return STATUS_SUCCESS;
1634 }
1635
1636 NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1637 {
1638     data_size_t size = 1024;
1639     NTSTATUS ret;
1640     char *name;
1641
1642     for (;;)
1643     {
1644         name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1645         if (!name) return STATUS_NO_MEMORY;
1646         unix_name->MaximumLength = size + 1;
1647
1648         SERVER_START_REQ( get_handle_unix_name )
1649         {
1650             req->handle = wine_server_obj_handle( handle );
1651             wine_server_set_reply( req, name, size );
1652             ret = wine_server_call( req );
1653             size = reply->name_len;
1654         }
1655         SERVER_END_REQ;
1656
1657         if (!ret)
1658         {
1659             name[size] = 0;
1660             unix_name->Buffer = name;
1661             unix_name->Length = size;
1662             break;
1663         }
1664         RtlFreeHeap( GetProcessHeap(), 0, name );
1665         if (ret != STATUS_BUFFER_OVERFLOW) break;
1666     }
1667     return ret;
1668 }
1669
1670 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1671 {
1672     UNICODE_STRING nt_name;
1673     NTSTATUS status;
1674
1675     if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1676     {
1677         const WCHAR *ptr = nt_name.Buffer;
1678         const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1679
1680         /* Skip the volume mount point. */
1681         while (ptr != end && *ptr == '\\') ++ptr;
1682         while (ptr != end && *ptr != '\\') ++ptr;
1683         while (ptr != end && *ptr == '\\') ++ptr;
1684         while (ptr != end && *ptr != '\\') ++ptr;
1685
1686         info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1687         if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1688         else *name_len = info->FileNameLength;
1689
1690         memcpy( info->FileName, ptr, *name_len );
1691         RtlFreeUnicodeString( &nt_name );
1692     }
1693
1694     return status;
1695 }
1696
1697 /******************************************************************************
1698  *  NtQueryInformationFile              [NTDLL.@]
1699  *  ZwQueryInformationFile              [NTDLL.@]
1700  *
1701  * Get information about an open file handle.
1702  *
1703  * PARAMS
1704  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1705  *  io       [O] Receives information about the operation on return
1706  *  ptr      [O] Destination for file information
1707  *  len      [I] Size of FileInformation
1708  *  class    [I] Type of file information to get
1709  *
1710  * RETURNS
1711  *  Success: 0. IoStatusBlock and FileInformation are updated.
1712  *  Failure: An NTSTATUS error code describing the error.
1713  */
1714 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1715                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1716 {
1717     static const size_t info_sizes[] =
1718     {
1719         0,
1720         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
1721         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
1722         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
1723         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
1724         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
1725         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
1726         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
1727         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
1728         sizeof(FILE_NAME_INFORMATION),                 /* FileNameInformation */
1729         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1730         0,                                             /* FileLinkInformation */
1731         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
1732         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
1733         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
1734         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
1735         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
1736         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
1737         sizeof(FILE_ALL_INFORMATION),                  /* FileAllInformation */
1738         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
1739         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
1740         0,                                             /* FileAlternateNameInformation */
1741         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1742         0,                                             /* FilePipeInformation */
1743         sizeof(FILE_PIPE_LOCAL_INFORMATION),           /* FilePipeLocalInformation */
1744         0,                                             /* FilePipeRemoteInformation */
1745         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
1746         0,                                             /* FileMailslotSetInformation */
1747         0,                                             /* FileCompressionInformation */
1748         0,                                             /* FileObjectIdInformation */
1749         0,                                             /* FileCompletionInformation */
1750         0,                                             /* FileMoveClusterInformation */
1751         0,                                             /* FileQuotaInformation */
1752         0,                                             /* FileReparsePointInformation */
1753         0,                                             /* FileNetworkOpenInformation */
1754         0,                                             /* FileAttributeTagInformation */
1755         0,                                             /* FileTrackingInformation */
1756         0,                                             /* FileIdBothDirectoryInformation */
1757         0,                                             /* FileIdFullDirectoryInformation */
1758         0,                                             /* FileValidDataLengthInformation */
1759         0,                                             /* FileShortNameInformation */
1760         0,
1761         0,
1762         0,
1763         0,                                             /* FileSfioReserveInformation */
1764         0,                                             /* FileSfioVolumeInformation */
1765         0,                                             /* FileHardLinkInformation */
1766         0,
1767         0,                                             /* FileNormalizedNameInformation */
1768         0,
1769         0,                                             /* FileIdGlobalTxDirectoryInformation */
1770         0,
1771         0,
1772         0,
1773         0                                              /* FileStandardLinkInformation */
1774     };
1775
1776     struct stat st;
1777     int fd, needs_close = FALSE;
1778
1779     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1780
1781     io->Information = 0;
1782
1783     if (class <= 0 || class >= FileMaximumInformation)
1784         return io->u.Status = STATUS_INVALID_INFO_CLASS;
1785     if (!info_sizes[class])
1786     {
1787         FIXME("Unsupported class (%d)\n", class);
1788         return io->u.Status = STATUS_NOT_IMPLEMENTED;
1789     }
1790     if (len < info_sizes[class])
1791         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1792
1793     if (class != FilePipeLocalInformation)
1794     {
1795         if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1796             return io->u.Status;
1797     }
1798
1799     switch (class)
1800     {
1801     case FileBasicInformation:
1802         if (fstat( fd, &st ) == -1)
1803             io->u.Status = FILE_GetNtStatus();
1804         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1805             io->u.Status = STATUS_INVALID_INFO_CLASS;
1806         else
1807             fill_stat_info( &st, ptr, class );
1808         break;
1809     case FileStandardInformation:
1810         {
1811             FILE_STANDARD_INFORMATION *info = ptr;
1812
1813             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1814             else
1815             {
1816                 fill_stat_info( &st, info, class );
1817                 info->DeletePending = FALSE; /* FIXME */
1818             }
1819         }
1820         break;
1821     case FilePositionInformation:
1822         {
1823             FILE_POSITION_INFORMATION *info = ptr;
1824             off_t res = lseek( fd, 0, SEEK_CUR );
1825             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1826             else info->CurrentByteOffset.QuadPart = res;
1827         }
1828         break;
1829     case FileInternalInformation:
1830         if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1831         else fill_stat_info( &st, ptr, class );
1832         break;
1833     case FileEaInformation:
1834         {
1835             FILE_EA_INFORMATION *info = ptr;
1836             info->EaSize = 0;
1837         }
1838         break;
1839     case FileEndOfFileInformation:
1840         if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1841         else fill_stat_info( &st, ptr, class );
1842         break;
1843     case FileAllInformation:
1844         {
1845             FILE_ALL_INFORMATION *info = ptr;
1846             ANSI_STRING unix_name;
1847
1848             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1849             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1850                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1851             else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1852             {
1853                 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1854
1855                 fill_stat_info( &st, info, FileAllInformation );
1856                 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1857                 info->EaInformation.EaSize = 0;
1858                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1859                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1860                 info->ModeInformation.Mode = 0;  /* FIXME */
1861                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1862
1863                 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1864                 RtlFreeAnsiString( &unix_name );
1865                 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1866             }
1867         }
1868         break;
1869     case FileMailslotQueryInformation:
1870         {
1871             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1872
1873             SERVER_START_REQ( set_mailslot_info )
1874             {
1875                 req->handle = wine_server_obj_handle( hFile );
1876                 req->flags = 0;
1877                 io->u.Status = wine_server_call( req );
1878                 if( io->u.Status == STATUS_SUCCESS )
1879                 {
1880                     info->MaximumMessageSize = reply->max_msgsize;
1881                     info->MailslotQuota = 0;
1882                     info->NextMessageSize = 0;
1883                     info->MessagesAvailable = 0;
1884                     info->ReadTimeout.QuadPart = reply->read_timeout;
1885                 }
1886             }
1887             SERVER_END_REQ;
1888             if (!io->u.Status)
1889             {
1890                 char *tmpbuf;
1891                 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1892                 if (size > 0x10000) size = 0x10000;
1893                 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1894                 {
1895                     int fd, needs_close;
1896                     if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1897                     {
1898                         int res = recv( fd, tmpbuf, size, MSG_PEEK );
1899                         info->MessagesAvailable = (res > 0);
1900                         info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1901                         if (needs_close) close( fd );
1902                     }
1903                     RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1904                 }
1905             }
1906         }
1907         break;
1908     case FilePipeLocalInformation:
1909         {
1910             FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1911
1912             SERVER_START_REQ( get_named_pipe_info )
1913             {
1914                 req->handle = wine_server_obj_handle( hFile );
1915                 if (!(io->u.Status = wine_server_call( req )))
1916                 {
1917                     pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1918                         FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1919                     pli->NamedPipeConfiguration = 0; /* FIXME */
1920                     pli->MaximumInstances = reply->maxinstances;
1921                     pli->CurrentInstances = reply->instances;
1922                     pli->InboundQuota = reply->insize;
1923                     pli->ReadDataAvailable = 0; /* FIXME */
1924                     pli->OutboundQuota = reply->outsize;
1925                     pli->WriteQuotaAvailable = 0; /* FIXME */
1926                     pli->NamedPipeState = 0; /* FIXME */
1927                     pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1928                         FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1929                 }
1930             }
1931             SERVER_END_REQ;
1932         }
1933         break;
1934     case FileNameInformation:
1935         {
1936             FILE_NAME_INFORMATION *info = ptr;
1937             ANSI_STRING unix_name;
1938
1939             if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1940             {
1941                 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
1942                 io->u.Status = fill_name_info( &unix_name, info, &name_len );
1943                 RtlFreeAnsiString( &unix_name );
1944                 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
1945             }
1946         }
1947         break;
1948     default:
1949         FIXME("Unsupported class (%d)\n", class);
1950         io->u.Status = STATUS_NOT_IMPLEMENTED;
1951         break;
1952     }
1953     if (needs_close) close( fd );
1954     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1955     return io->u.Status;
1956 }
1957
1958 /******************************************************************************
1959  *  NtSetInformationFile                [NTDLL.@]
1960  *  ZwSetInformationFile                [NTDLL.@]
1961  *
1962  * Set information about an open file handle.
1963  *
1964  * PARAMS
1965  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1966  *  io      [O] Receives information about the operation on return
1967  *  ptr     [I] Source for file information
1968  *  len     [I] Size of FileInformation
1969  *  class   [I] Type of file information to set
1970  *
1971  * RETURNS
1972  *  Success: 0. io is updated.
1973  *  Failure: An NTSTATUS error code describing the error.
1974  */
1975 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1976                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1977 {
1978     int fd, needs_close;
1979
1980     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1981
1982     io->u.Status = STATUS_SUCCESS;
1983     switch (class)
1984     {
1985     case FileBasicInformation:
1986         if (len >= sizeof(FILE_BASIC_INFORMATION))
1987         {
1988             struct stat st;
1989             const FILE_BASIC_INFORMATION *info = ptr;
1990
1991             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1992                 return io->u.Status;
1993
1994             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1995             {
1996                 struct timeval tv[2];
1997
1998                 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1999                 {
2000
2001                     tv[0].tv_sec = tv[0].tv_usec = 0;
2002                     tv[1].tv_sec = tv[1].tv_usec = 0;
2003                     if (!fstat( fd, &st ))
2004                     {
2005                         tv[0].tv_sec = st.st_atime;
2006                         tv[1].tv_sec = st.st_mtime;
2007                     }
2008                 }
2009                 if (info->LastAccessTime.QuadPart)
2010                 {
2011                     ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
2012                     UINT nsec = info->LastAccessTime.QuadPart % 10000000;
2013                     tv[0].tv_sec = sec - SECS_1601_TO_1970;
2014                     tv[0].tv_usec = nsec / 10;
2015                 }
2016                 if (info->LastWriteTime.QuadPart)
2017                 {
2018                     ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
2019                     UINT nsec = info->LastWriteTime.QuadPart % 10000000;
2020                     tv[1].tv_sec = sec - SECS_1601_TO_1970;
2021                     tv[1].tv_usec = nsec / 10;
2022                 }
2023                 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
2024             }
2025
2026             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
2027             {
2028                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2029                 else
2030                 {
2031                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2032                     {
2033                         if (S_ISDIR( st.st_mode))
2034                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2035                         else
2036                             st.st_mode &= ~0222; /* clear write permission bits */
2037                     }
2038                     else
2039                     {
2040                         /* add write permission only where we already have read permission */
2041                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2042                     }
2043                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2044                 }
2045             }
2046
2047             if (needs_close) close( fd );
2048         }
2049         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2050         break;
2051
2052     case FilePositionInformation:
2053         if (len >= sizeof(FILE_POSITION_INFORMATION))
2054         {
2055             const FILE_POSITION_INFORMATION *info = ptr;
2056
2057             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2058                 return io->u.Status;
2059
2060             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2061                 io->u.Status = FILE_GetNtStatus();
2062
2063             if (needs_close) close( fd );
2064         }
2065         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2066         break;
2067
2068     case FileEndOfFileInformation:
2069         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2070         {
2071             struct stat st;
2072             const FILE_END_OF_FILE_INFORMATION *info = ptr;
2073
2074             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2075                 return io->u.Status;
2076
2077             /* first try normal truncate */
2078             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2079
2080             /* now check for the need to extend the file */
2081             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2082             {
2083                 static const char zero;
2084
2085                 /* extend the file one byte beyond the requested size and then truncate it */
2086                 /* this should work around ftruncate implementations that can't extend files */
2087                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2088                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2089             }
2090             io->u.Status = FILE_GetNtStatus();
2091
2092             if (needs_close) close( fd );
2093         }
2094         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2095         break;
2096
2097     case FileMailslotSetInformation:
2098         {
2099             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2100
2101             SERVER_START_REQ( set_mailslot_info )
2102             {
2103                 req->handle = wine_server_obj_handle( handle );
2104                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2105                 req->read_timeout = info->ReadTimeout.QuadPart;
2106                 io->u.Status = wine_server_call( req );
2107             }
2108             SERVER_END_REQ;
2109         }
2110         break;
2111
2112     case FileCompletionInformation:
2113         if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2114         {
2115             FILE_COMPLETION_INFORMATION *info = ptr;
2116
2117             SERVER_START_REQ( set_completion_info )
2118             {
2119                 req->handle   = wine_server_obj_handle( handle );
2120                 req->chandle  = wine_server_obj_handle( info->CompletionPort );
2121                 req->ckey     = info->CompletionKey;
2122                 io->u.Status  = wine_server_call( req );
2123             }
2124             SERVER_END_REQ;
2125         } else
2126             io->u.Status = STATUS_INVALID_PARAMETER_3;
2127         break;
2128
2129     default:
2130         FIXME("Unsupported class (%d)\n", class);
2131         io->u.Status = STATUS_NOT_IMPLEMENTED;
2132         break;
2133     }
2134     io->Information = 0;
2135     return io->u.Status;
2136 }
2137
2138
2139 /******************************************************************************
2140  *              NtQueryFullAttributesFile   (NTDLL.@)
2141  */
2142 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2143                                            FILE_NETWORK_OPEN_INFORMATION *info )
2144 {
2145     ANSI_STRING unix_name;
2146     NTSTATUS status;
2147
2148     if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2149     {
2150         struct stat st;
2151
2152         if (stat( unix_name.Buffer, &st ) == -1)
2153             status = FILE_GetNtStatus();
2154         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2155             status = STATUS_INVALID_INFO_CLASS;
2156         else
2157         {
2158             FILE_BASIC_INFORMATION basic;
2159             FILE_STANDARD_INFORMATION std;
2160
2161             fill_stat_info( &st, &basic, FileBasicInformation );
2162             fill_stat_info( &st, &std, FileStandardInformation );
2163
2164             info->CreationTime   = basic.CreationTime;
2165             info->LastAccessTime = basic.LastAccessTime;
2166             info->LastWriteTime  = basic.LastWriteTime;
2167             info->ChangeTime     = basic.ChangeTime;
2168             info->AllocationSize = std.AllocationSize;
2169             info->EndOfFile      = std.EndOfFile;
2170             info->FileAttributes = basic.FileAttributes;
2171             if (DIR_is_hidden_file( attr->ObjectName ))
2172                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2173         }
2174         RtlFreeAnsiString( &unix_name );
2175     }
2176     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2177     return status;
2178 }
2179
2180
2181 /******************************************************************************
2182  *              NtQueryAttributesFile   (NTDLL.@)
2183  *              ZwQueryAttributesFile   (NTDLL.@)
2184  */
2185 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2186 {
2187     ANSI_STRING unix_name;
2188     NTSTATUS status;
2189
2190     if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2191     {
2192         struct stat st;
2193
2194         if (stat( unix_name.Buffer, &st ) == -1)
2195             status = FILE_GetNtStatus();
2196         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2197             status = STATUS_INVALID_INFO_CLASS;
2198         else
2199         {
2200             status = fill_stat_info( &st, info, FileBasicInformation );
2201             if (DIR_is_hidden_file( attr->ObjectName ))
2202                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2203         }
2204         RtlFreeAnsiString( &unix_name );
2205     }
2206     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2207     return status;
2208 }
2209
2210
2211 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
2212 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2213 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2214                                             unsigned int flags )
2215 {
2216     if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2217     {
2218         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2219         /* Don't assume read-only, let the mount options set it below */
2220         info->Characteristics |= FILE_REMOVABLE_MEDIA;
2221     }
2222     else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2223              !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2224     {
2225         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2226         info->Characteristics |= FILE_REMOTE_DEVICE;
2227     }
2228     else if (!strcmp("procfs", fstypename))
2229         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2230     else
2231         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2232
2233     if (flags & MNT_RDONLY)
2234         info->Characteristics |= FILE_READ_ONLY_DEVICE;
2235
2236     if (!(flags & MNT_LOCAL))
2237     {
2238         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2239         info->Characteristics |= FILE_REMOTE_DEVICE;
2240     }
2241 }
2242 #endif
2243
2244 static inline int is_device_placeholder( int fd )
2245 {
2246     static const char wine_placeholder[] = "Wine device placeholder";
2247     char buffer[sizeof(wine_placeholder)-1];
2248
2249     if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2250         return 0;
2251     return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2252 }
2253
2254 /******************************************************************************
2255  *              get_device_info
2256  *
2257  * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2258  */
2259 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2260 {
2261     struct stat st;
2262
2263     info->Characteristics = 0;
2264     if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2265     if (S_ISCHR( st.st_mode ))
2266     {
2267         info->DeviceType = FILE_DEVICE_UNKNOWN;
2268 #ifdef linux
2269         switch(major(st.st_rdev))
2270         {
2271         case MEM_MAJOR:
2272             info->DeviceType = FILE_DEVICE_NULL;
2273             break;
2274         case TTY_MAJOR:
2275             info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2276             break;
2277         case LP_MAJOR:
2278             info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2279             break;
2280         case SCSI_TAPE_MAJOR:
2281             info->DeviceType = FILE_DEVICE_TAPE;
2282             break;
2283         }
2284 #endif
2285     }
2286     else if (S_ISBLK( st.st_mode ))
2287     {
2288         info->DeviceType = FILE_DEVICE_DISK;
2289     }
2290     else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2291     {
2292         info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2293     }
2294     else if (is_device_placeholder( fd ))
2295     {
2296         info->DeviceType = FILE_DEVICE_DISK;
2297     }
2298     else  /* regular file or directory */
2299     {
2300 #if defined(linux) && defined(HAVE_FSTATFS)
2301         struct statfs stfs;
2302
2303         /* check for floppy disk */
2304         if (major(st.st_dev) == FLOPPY_MAJOR)
2305             info->Characteristics |= FILE_REMOVABLE_MEDIA;
2306
2307         if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2308         switch (stfs.f_type)
2309         {
2310         case 0x9660:      /* iso9660 */
2311         case 0x9fa1:      /* supermount */
2312         case 0x15013346:  /* udf */
2313             info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2314             info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2315             break;
2316         case 0x6969:  /* nfs */
2317         case 0x517B:  /* smbfs */
2318         case 0x564c:  /* ncpfs */
2319             info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2320             info->Characteristics |= FILE_REMOTE_DEVICE;
2321             break;
2322         case 0x01021994:  /* tmpfs */
2323         case 0x28cd3d45:  /* cramfs */
2324         case 0x1373:      /* devfs */
2325         case 0x9fa0:      /* procfs */
2326             info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2327             break;
2328         default:
2329             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2330             break;
2331         }
2332 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
2333         struct statfs stfs;
2334
2335         if (fstatfs( fd, &stfs ) < 0)
2336             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2337         else
2338             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2339 #elif defined(__NetBSD__)
2340         struct statvfs stfs;
2341
2342         if (fstatvfs( fd, &stfs) < 0)
2343             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2344         else
2345             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2346 #elif defined(sun)
2347         /* Use dkio to work out device types */
2348         {
2349 # include <sys/dkio.h>
2350 # include <sys/vtoc.h>
2351             struct dk_cinfo dkinf;
2352             int retval = ioctl(fd, DKIOCINFO, &dkinf);
2353             if(retval==-1){
2354                 WARN("Unable to get disk device type information - assuming a disk like device\n");
2355                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2356             }
2357             switch (dkinf.dki_ctype)
2358             {
2359             case DKC_CDROM:
2360                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2361                 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2362                 break;
2363             case DKC_NCRFLOPPY:
2364             case DKC_SMSFLOPPY:
2365             case DKC_INTEL82072:
2366             case DKC_INTEL82077:
2367                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2368                 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2369                 break;
2370             case DKC_MD:
2371                 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2372                 break;
2373             default:
2374                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2375             }
2376         }
2377 #else
2378         static int warned;
2379         if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2380         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2381 #endif
2382         info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2383     }
2384     return STATUS_SUCCESS;
2385 }
2386
2387
2388 /******************************************************************************
2389  *  NtQueryVolumeInformationFile                [NTDLL.@]
2390  *  ZwQueryVolumeInformationFile                [NTDLL.@]
2391  *
2392  * Get volume information for an open file handle.
2393  *
2394  * PARAMS
2395  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2396  *  io          [O] Receives information about the operation on return
2397  *  buffer      [O] Destination for volume information
2398  *  length      [I] Size of FsInformation
2399  *  info_class  [I] Type of volume information to set
2400  *
2401  * RETURNS
2402  *  Success: 0. io and buffer are updated.
2403  *  Failure: An NTSTATUS error code describing the error.
2404  */
2405 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2406                                               PVOID buffer, ULONG length,
2407                                               FS_INFORMATION_CLASS info_class )
2408 {
2409     int fd, needs_close;
2410     struct stat st;
2411     static int once;
2412
2413     if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2414         return io->u.Status;
2415
2416     io->u.Status = STATUS_NOT_IMPLEMENTED;
2417     io->Information = 0;
2418
2419     switch( info_class )
2420     {
2421     case FileFsVolumeInformation:
2422         if (!once++) FIXME( "%p: volume info not supported\n", handle );
2423         break;
2424     case FileFsLabelInformation:
2425         FIXME( "%p: label info not supported\n", handle );
2426         break;
2427     case FileFsSizeInformation:
2428         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2429             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2430         else
2431         {
2432             FILE_FS_SIZE_INFORMATION *info = buffer;
2433
2434             if (fstat( fd, &st ) < 0)
2435             {
2436                 io->u.Status = FILE_GetNtStatus();
2437                 break;
2438             }
2439             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2440             {
2441                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2442             }
2443             else
2444             {
2445                 ULONGLONG bsize;
2446                 /* Linux's fstatvfs is buggy */
2447 #if !defined(linux) || !defined(HAVE_FSTATFS)
2448                 struct statvfs stfs;
2449
2450                 if (fstatvfs( fd, &stfs ) < 0)
2451                 {
2452                     io->u.Status = FILE_GetNtStatus();
2453                     break;
2454                 }
2455                 bsize = stfs.f_frsize;
2456 #else
2457                 struct statfs stfs;
2458                 if (fstatfs( fd, &stfs ) < 0)
2459                 {
2460                     io->u.Status = FILE_GetNtStatus();
2461                     break;
2462                 }
2463                 bsize = stfs.f_bsize;
2464 #endif
2465                 if (bsize == 2048)  /* assume CD-ROM */
2466                 {
2467                     info->BytesPerSector = 2048;
2468                     info->SectorsPerAllocationUnit = 1;
2469                 }
2470                 else
2471                 {
2472                     info->BytesPerSector = 512;
2473                     info->SectorsPerAllocationUnit = 8;
2474                 }
2475                 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2476                 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2477                 io->Information = sizeof(*info);
2478                 io->u.Status = STATUS_SUCCESS;
2479             }
2480         }
2481         break;
2482     case FileFsDeviceInformation:
2483         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2484             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2485         else
2486         {
2487             FILE_FS_DEVICE_INFORMATION *info = buffer;
2488
2489             if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2490                 io->Information = sizeof(*info);
2491         }
2492         break;
2493     case FileFsAttributeInformation:
2494         FIXME( "%p: attribute info not supported\n", handle );
2495         break;
2496     case FileFsControlInformation:
2497         FIXME( "%p: control info not supported\n", handle );
2498         break;
2499     case FileFsFullSizeInformation:
2500         FIXME( "%p: full size info not supported\n", handle );
2501         break;
2502     case FileFsObjectIdInformation:
2503         FIXME( "%p: object id info not supported\n", handle );
2504         break;
2505     case FileFsMaximumInformation:
2506         FIXME( "%p: maximum info not supported\n", handle );
2507         break;
2508     default:
2509         io->u.Status = STATUS_INVALID_PARAMETER;
2510         break;
2511     }
2512     if (needs_close) close( fd );
2513     return io->u.Status;
2514 }
2515
2516
2517 /******************************************************************
2518  *              NtQueryEaFile  (NTDLL.@)
2519  *
2520  * Read extended attributes from NTFS files.
2521  *
2522  * PARAMS
2523  *  hFile         [I] File handle, must be opened with FILE_READ_EA access
2524  *  iosb          [O] Receives information about the operation on return
2525  *  buffer        [O] Output buffer
2526  *  length        [I] Length of output buffer
2527  *  single_entry  [I] Only read and return one entry
2528  *  ea_list       [I] Optional list with names of EAs to return
2529  *  ea_list_len   [I] Length of ea_list in bytes
2530  *  ea_index      [I] Optional pointer to 1-based index of attribute to return
2531  *  restart       [I] restart EA scan
2532  *
2533  * RETURNS
2534  *  Success: 0. Atrributes read into buffer
2535  *  Failure: An NTSTATUS error code describing the error.
2536  */
2537 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2538                                BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2539                                PULONG ea_index, BOOLEAN restart )
2540 {
2541     FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2542             hFile, iosb, buffer, length, single_entry, ea_list,
2543             ea_list_len, ea_index, restart);
2544     return STATUS_ACCESS_DENIED;
2545 }
2546
2547
2548 /******************************************************************
2549  *              NtSetEaFile  (NTDLL.@)
2550  *
2551  * Update extended attributes for NTFS files.
2552  *
2553  * PARAMS
2554  *  hFile         [I] File handle, must be opened with FILE_READ_EA access
2555  *  iosb          [O] Receives information about the operation on return
2556  *  buffer        [I] Buffer with EA information
2557  *  length        [I] Length of buffer
2558  *
2559  * RETURNS
2560  *  Success: 0. Attributes are updated
2561  *  Failure: An NTSTATUS error code describing the error.
2562  */
2563 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2564 {
2565     FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2566     return STATUS_ACCESS_DENIED;
2567 }
2568
2569
2570 /******************************************************************
2571  *              NtFlushBuffersFile  (NTDLL.@)
2572  *
2573  * Flush any buffered data on an open file handle.
2574  *
2575  * PARAMS
2576  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2577  *  IoStatusBlock      [O] Receives information about the operation on return
2578  *
2579  * RETURNS
2580  *  Success: 0. IoStatusBlock is updated.
2581  *  Failure: An NTSTATUS error code describing the error.
2582  */
2583 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2584 {
2585     NTSTATUS ret;
2586     HANDLE hEvent = NULL;
2587
2588     SERVER_START_REQ( flush_file )
2589     {
2590         req->handle = wine_server_obj_handle( hFile );
2591         ret = wine_server_call( req );
2592         hEvent = wine_server_ptr_handle( reply->event );
2593     }
2594     SERVER_END_REQ;
2595     if (!ret && hEvent)
2596     {
2597         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2598         NtClose( hEvent );
2599     }
2600     return ret;
2601 }
2602
2603 /******************************************************************
2604  *              NtLockFile       (NTDLL.@)
2605  *
2606  *
2607  */
2608 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2609                             PIO_APC_ROUTINE apc, void* apc_user,
2610                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2611                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2612                             BOOLEAN exclusive )
2613 {
2614     NTSTATUS    ret;
2615     HANDLE      handle;
2616     BOOLEAN     async;
2617     static BOOLEAN     warn = TRUE;
2618
2619     if (apc || io_status || key)
2620     {
2621         FIXME("Unimplemented yet parameter\n");
2622         return STATUS_NOT_IMPLEMENTED;
2623     }
2624
2625     if (apc_user && warn)
2626     {
2627         FIXME("I/O completion on lock not implemented yet\n");
2628         warn = FALSE;
2629     }
2630
2631     for (;;)
2632     {
2633         SERVER_START_REQ( lock_file )
2634         {
2635             req->handle      = wine_server_obj_handle( hFile );
2636             req->offset      = offset->QuadPart;
2637             req->count       = count->QuadPart;
2638             req->shared      = !exclusive;
2639             req->wait        = !dont_wait;
2640             ret = wine_server_call( req );
2641             handle = wine_server_ptr_handle( reply->handle );
2642             async  = reply->overlapped;
2643         }
2644         SERVER_END_REQ;
2645         if (ret != STATUS_PENDING)
2646         {
2647             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2648             return ret;
2649         }
2650
2651         if (async)
2652         {
2653             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2654             if (handle) NtClose( handle );
2655             return STATUS_PENDING;
2656         }
2657         if (handle)
2658         {
2659             NtWaitForSingleObject( handle, FALSE, NULL );
2660             NtClose( handle );
2661         }
2662         else
2663         {
2664             LARGE_INTEGER time;
2665
2666             /* Unix lock conflict, sleep a bit and retry */
2667             time.QuadPart = 100 * (ULONGLONG)10000;
2668             time.QuadPart = -time.QuadPart;
2669             NtDelayExecution( FALSE, &time );
2670         }
2671     }
2672 }
2673
2674
2675 /******************************************************************
2676  *              NtUnlockFile    (NTDLL.@)
2677  *
2678  *
2679  */
2680 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2681                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
2682                               PULONG key )
2683 {
2684     NTSTATUS status;
2685
2686     TRACE( "%p %x%08x %x%08x\n",
2687            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2688
2689     if (io_status || key)
2690     {
2691         FIXME("Unimplemented yet parameter\n");
2692         return STATUS_NOT_IMPLEMENTED;
2693     }
2694
2695     SERVER_START_REQ( unlock_file )
2696     {
2697         req->handle = wine_server_obj_handle( hFile );
2698         req->offset = offset->QuadPart;
2699         req->count  = count->QuadPart;
2700         status = wine_server_call( req );
2701     }
2702     SERVER_END_REQ;
2703     return status;
2704 }
2705
2706 /******************************************************************
2707  *              NtCreateNamedPipeFile    (NTDLL.@)
2708  *
2709  *
2710  */
2711 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2712                                        POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2713                                        ULONG sharing, ULONG dispo, ULONG options,
2714                                        ULONG pipe_type, ULONG read_mode,
2715                                        ULONG completion_mode, ULONG max_inst,
2716                                        ULONG inbound_quota, ULONG outbound_quota,
2717                                        PLARGE_INTEGER timeout)
2718 {
2719     NTSTATUS    status;
2720
2721     TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2722           handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2723           options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2724           outbound_quota, timeout);
2725
2726     /* assume we only get relative timeout */
2727     if (timeout->QuadPart > 0)
2728         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2729
2730     SERVER_START_REQ( create_named_pipe )
2731     {
2732         req->access  = access;
2733         req->attributes = attr->Attributes;
2734         req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2735         req->options = options;
2736         req->flags =
2737             (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2738             (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ  : 0 |
2739             (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE  : 0;
2740         req->maxinstances = max_inst;
2741         req->outsize = outbound_quota;
2742         req->insize  = inbound_quota;
2743         req->timeout = timeout->QuadPart;
2744         wine_server_add_data( req, attr->ObjectName->Buffer,
2745                               attr->ObjectName->Length );
2746         status = wine_server_call( req );
2747         if (!status) *handle = wine_server_ptr_handle( reply->handle );
2748     }
2749     SERVER_END_REQ;
2750     return status;
2751 }
2752
2753 /******************************************************************
2754  *              NtDeleteFile    (NTDLL.@)
2755  *
2756  *
2757  */
2758 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2759 {
2760     NTSTATUS status;
2761     HANDLE hFile;
2762     IO_STATUS_BLOCK io;
2763
2764     TRACE("%p\n", ObjectAttributes);
2765     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2766                            ObjectAttributes, &io, NULL, 0,
2767                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2768                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2769     if (status == STATUS_SUCCESS) status = NtClose(hFile);
2770     return status;
2771 }
2772
2773 /******************************************************************
2774  *              NtCancelIoFileEx    (NTDLL.@)
2775  *
2776  *
2777  */
2778 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2779 {
2780     LARGE_INTEGER timeout;
2781
2782     TRACE("%p %p %p\n", hFile, iosb, io_status );
2783
2784     SERVER_START_REQ( cancel_async )
2785     {
2786         req->handle      = wine_server_obj_handle( hFile );
2787         req->iosb        = wine_server_client_ptr( iosb );
2788         req->only_thread = FALSE;
2789         io_status->u.Status = wine_server_call( req );
2790     }
2791     SERVER_END_REQ;
2792     if (io_status->u.Status)
2793         return io_status->u.Status;
2794
2795     /* Let some APC be run, so that we can run the remaining APCs on hFile
2796      * either the cancelation of the pending one, but also the execution
2797      * of the queued APC, but not yet run. This is needed to ensure proper
2798      * clean-up of allocated data.
2799      */
2800     timeout.u.LowPart = timeout.u.HighPart = 0;
2801     NtDelayExecution( TRUE, &timeout );
2802     return io_status->u.Status;
2803 }
2804
2805 /******************************************************************
2806  *              NtCancelIoFile    (NTDLL.@)
2807  *
2808  *
2809  */
2810 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2811 {
2812     LARGE_INTEGER timeout;
2813
2814     TRACE("%p %p\n", hFile, io_status );
2815
2816     SERVER_START_REQ( cancel_async )
2817     {
2818         req->handle      = wine_server_obj_handle( hFile );
2819         req->iosb        = 0;
2820         req->only_thread = TRUE;
2821         io_status->u.Status = wine_server_call( req );
2822     }
2823     SERVER_END_REQ;
2824     if (io_status->u.Status)
2825         return io_status->u.Status;
2826
2827     /* Let some APC be run, so that we can run the remaining APCs on hFile
2828      * either the cancelation of the pending one, but also the execution
2829      * of the queued APC, but not yet run. This is needed to ensure proper
2830      * clean-up of allocated data.
2831      */
2832     timeout.u.LowPart = timeout.u.HighPart = 0;
2833     NtDelayExecution( TRUE, &timeout );
2834     return io_status->u.Status;
2835 }
2836
2837 /******************************************************************************
2838  *  NtCreateMailslotFile        [NTDLL.@]
2839  *  ZwCreateMailslotFile        [NTDLL.@]
2840  *
2841  * PARAMS
2842  *  pHandle          [O] pointer to receive the handle created
2843  *  DesiredAccess    [I] access mode (read, write, etc)
2844  *  ObjectAttributes [I] fully qualified NT path of the mailslot
2845  *  IoStatusBlock    [O] receives completion status and other info
2846  *  CreateOptions    [I]
2847  *  MailslotQuota    [I]
2848  *  MaxMessageSize   [I]
2849  *  TimeOut          [I]
2850  *
2851  * RETURNS
2852  *  An NT status code
2853  */
2854 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2855      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2856      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2857      PLARGE_INTEGER TimeOut)
2858 {
2859     LARGE_INTEGER timeout;
2860     NTSTATUS ret;
2861
2862     TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2863               pHandle, DesiredAccess, attr, IoStatusBlock,
2864               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2865
2866     if (!pHandle) return STATUS_ACCESS_VIOLATION;
2867     if (!attr) return STATUS_INVALID_PARAMETER;
2868     if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2869
2870     /*
2871      *  For a NULL TimeOut pointer set the default timeout value
2872      */
2873     if  (!TimeOut)
2874         timeout.QuadPart = -1;
2875     else
2876         timeout.QuadPart = TimeOut->QuadPart;
2877
2878     SERVER_START_REQ( create_mailslot )
2879     {
2880         req->access = DesiredAccess;
2881         req->attributes = attr->Attributes;
2882         req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2883         req->max_msgsize = MaxMessageSize;
2884         req->read_timeout = timeout.QuadPart;
2885         wine_server_add_data( req, attr->ObjectName->Buffer,
2886                               attr->ObjectName->Length );
2887         ret = wine_server_call( req );
2888         if( ret == STATUS_SUCCESS )
2889             *pHandle = wine_server_ptr_handle( reply->handle );
2890     }
2891     SERVER_END_REQ;
2892
2893     return ret;
2894 }