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