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_LINUX_MAJOR_H
  31 # include <linux/major.h>
  32 #endif
  33 #ifdef HAVE_SYS_STATVFS_H
  34 # include <sys/statvfs.h>
  35 #endif
  36 #ifdef HAVE_SYS_PARAM_H
  37 # include <sys/param.h>
  38 #endif
  39 #ifdef HAVE_SYS_TIME_H
  40 # include <sys/time.h>
  41 #endif
  42 #ifdef HAVE_SYS_IOCTL_H
  43 #include <sys/ioctl.h>
  44 #endif
  45 #ifdef HAVE_SYS_FILIO_H
  46 # include <sys/filio.h>
  47 #endif
  48 #ifdef HAVE_POLL_H
  49 #include <poll.h>
  50 #endif
  51 #ifdef HAVE_SYS_POLL_H
  52 #include <sys/poll.h>
  53 #endif
  54 #ifdef HAVE_SYS_SOCKET_H
  55 #include <sys/socket.h>
  56 #endif
  57 #ifdef HAVE_UTIME_H
  58 # include <utime.h>
  59 #endif
  60 #ifdef HAVE_SYS_VFS_H
  61 # include <sys/vfs.h>
  62 #endif
  63 #ifdef HAVE_SYS_MOUNT_H
  64 # include <sys/mount.h>
  65 #endif
  66 #ifdef HAVE_SYS_STATFS_H
  67 # include <sys/statfs.h>
  68 #endif
  69 #ifdef HAVE_VALGRIND_MEMCHECK_H
  70 # include <valgrind/memcheck.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/ntddk.h"
  85 #include "ddk/ntddser.h"
  86
  87 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  88 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  89
  90 mode_t FILE_umask = 0;
  91
  92 #define SECSPERDAY         86400
  93 #define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
  94
  95
  96 /**************************************************************************
  97  *                 FILE_CreateFile                    (internal)
  98  * Open a file.
  99  *
 100  * Parameter set fully identical with NtCreateFile
 101  */
 102 static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 103                                  PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 104                                  ULONG attributes, ULONG sharing, ULONG disposition,
 105                                  ULONG options, PVOID ea_buffer, ULONG ea_length )
 106 {
 107     ANSI_STRING unix_name;
 108     int created = FALSE;
 109
 110     TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
 111           "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
 112           handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
 113           attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
 114           attributes, sharing, disposition, options, ea_buffer, ea_length );
 115
 116     if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
 117
 118     if (alloc_size) FIXME( "alloc_size not supported\n" );
 119
 120     if (options & FILE_OPEN_BY_FILE_ID)
 121         io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
 122     else
 123         io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
 124
 125     if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
 126     {
 127         SERVER_START_REQ( open_file_object )
 128         {
 129             req->access     = access;
 130             req->attributes = attr->Attributes;
 131             req->rootdir    = wine_server_obj_handle( attr->RootDirectory );
 132             req->sharing    = sharing;
 133             req->options    = options;
 134             wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
 135             io->u.Status = wine_server_call( req );
 136             *handle = wine_server_ptr_handle( reply->handle );
 137         }
 138         SERVER_END_REQ;
 139         if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
 140         return io->u.Status;
 141     }
 142
 143     if (io->u.Status == STATUS_NO_SUCH_FILE &&
 144         disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
 145     {
 146         created = TRUE;
 147         io->u.Status = STATUS_SUCCESS;
 148     }
 149
 150     if (io->u.Status == STATUS_SUCCESS)
 151     {
 152         struct security_descriptor *sd;
 153         struct object_attributes objattr;
 154
 155         objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
 156         objattr.name_len = 0;
 157         io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
 158         if (io->u.Status != STATUS_SUCCESS)
 159         {
 160             RtlFreeAnsiString( &unix_name );
 161             return io->u.Status;
 162         }
 163
 164         SERVER_START_REQ( create_file )
 165         {
 166             req->access     = access;
 167             req->attributes = attr->Attributes;
 168             req->sharing    = sharing;
 169             req->create     = disposition;
 170             req->options    = options;
 171             req->attrs      = attributes;
 172             wine_server_add_data( req, &objattr, sizeof(objattr) );
 173             if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
 174             wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
 175             io->u.Status = wine_server_call( req );
 176             *handle = wine_server_ptr_handle( reply->handle );
 177         }
 178         SERVER_END_REQ;
 179         NTDLL_free_struct_sd( sd );
 180         RtlFreeAnsiString( &unix_name );
 181     }
 182     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
 183
 184     if (io->u.Status == STATUS_SUCCESS)
 185     {
 186         if (created) io->Information = FILE_CREATED;
 187         else switch(disposition)
 188         {
 189         case FILE_SUPERSEDE:
 190             io->Information = FILE_SUPERSEDED;
 191             break;
 192         case FILE_CREATE:
 193             io->Information = FILE_CREATED;
 194             break;
 195         case FILE_OPEN:
 196         case FILE_OPEN_IF:
 197             io->Information = FILE_OPENED;
 198             break;
 199         case FILE_OVERWRITE:
 200         case FILE_OVERWRITE_IF:
 201             io->Information = FILE_OVERWRITTEN;
 202             break;
 203         }
 204     }
 205     else if (io->u.Status == STATUS_TOO_MANY_OPENED_FILES)
 206     {
 207         static int once;
 208         if (!once++) ERR_(winediag)( "Too many open files, ulimit -n probably needs to be increased\n" );
 209     }
 210
 211     return io->u.Status;
 212 }
 213
 214 /**************************************************************************
 215  *                 NtOpenFile                           [NTDLL.@]
 216  *                 ZwOpenFile                           [NTDLL.@]
 217  *
 218  * Open a file.
 219  *
 220  * PARAMS
 221  *  handle    [O] Variable that receives the file handle on return
 222  *  access    [I] Access desired by the caller to the file
 223  *  attr      [I] Structure describing the file to be opened
 224  *  io        [O] Receives details about the result of the operation
 225  *  sharing   [I] Type of shared access the caller requires
 226  *  options   [I] Options for the file open
 227  *
 228  * RETURNS
 229  *  Success: 0. FileHandle and IoStatusBlock are updated.
 230  *  Failure: An NTSTATUS error code describing the error.
 231  */
 232 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
 233                             POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
 234                             ULONG sharing, ULONG options )
 235 {
 236     return FILE_CreateFile( handle, access, attr, io, NULL, 0,
 237                             sharing, FILE_OPEN, options, NULL, 0 );
 238 }
 239
 240 /**************************************************************************
 241  *              NtCreateFile                            [NTDLL.@]
 242  *              ZwCreateFile                            [NTDLL.@]
 243  *
 244  * Either create a new file or directory, or open an existing file, device,
 245  * directory or volume.
 246  *
 247  * PARAMS
 248  *      handle       [O] Points to a variable which receives the file handle on return
 249  *      access       [I] Desired access to the file
 250  *      attr         [I] Structure describing the file
 251  *      io           [O] Receives information about the operation on return
 252  *      alloc_size   [I] Initial size of the file in bytes
 253  *      attributes   [I] Attributes to create the file with
 254  *      sharing      [I] Type of shared access the caller would like to the file
 255  *      disposition  [I] Specifies what to do, depending on whether the file already exists
 256  *      options      [I] Options for creating a new file
 257  *      ea_buffer    [I] Pointer to an extended attributes buffer
 258  *      ea_length    [I] Length of ea_buffer
 259  *
 260  * RETURNS
 261  *  Success: 0. handle and io are updated.
 262  *  Failure: An NTSTATUS error code describing the error.
 263  */
 264 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
 265                               PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
 266                               ULONG attributes, ULONG sharing, ULONG disposition,
 267                               ULONG options, PVOID ea_buffer, ULONG ea_length )
 268 {
 269     return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
 270                             sharing, disposition, options, ea_buffer, ea_length );
 271 }
 272
 273 /***********************************************************************
 274  *                  Asynchronous file I/O                              *
 275  */
 276
 277 struct async_fileio
 278 {
 279     HANDLE              handle;
 280     PIO_APC_ROUTINE     apc;
 281     void               *apc_arg;
 282 };
 283
 284 typedef struct
 285 {
 286     struct async_fileio io;
 287     char*               buffer;
 288     unsigned int        already;
 289     unsigned int        count;
 290     BOOL                avail_mode;
 291 } async_fileio_read;
 292
 293 typedef struct
 294 {
 295     struct async_fileio io;
 296     const char         *buffer;
 297     unsigned int        already;
 298     unsigned int        count;
 299 } async_fileio_write;
 300
 301
 302 /* callback for file I/O user APC */
 303 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
 304 {
 305     struct async_fileio *async = arg;
 306     if (async->apc) async->apc( async->apc_arg, io, reserved );
 307     RtlFreeHeap( GetProcessHeap(), 0, async );
 308 }
 309
 310 /***********************************************************************
 311  *           FILE_GetNtStatus(void)
 312  *
 313  * Retrieve the Nt Status code from errno.
 314  * Try to be consistent with FILE_SetDosError().
 315  */
 316 NTSTATUS FILE_GetNtStatus(void)
 317 {
 318     int err = errno;
 319
 320     TRACE( "errno = %d\n", errno );
 321     switch (err)
 322     {
 323     case EAGAIN:    return STATUS_SHARING_VIOLATION;
 324     case EBADF:     return STATUS_INVALID_HANDLE;
 325     case EBUSY:     return STATUS_DEVICE_BUSY;
 326     case ENOSPC:    return STATUS_DISK_FULL;
 327     case EPERM:
 328     case EROFS:
 329     case EACCES:    return STATUS_ACCESS_DENIED;
 330     case ENOTDIR:   return STATUS_OBJECT_PATH_NOT_FOUND;
 331     case ENOENT:    return STATUS_OBJECT_NAME_NOT_FOUND;
 332     case EISDIR:    return STATUS_FILE_IS_A_DIRECTORY;
 333     case EMFILE:
 334     case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
 335     case EINVAL:    return STATUS_INVALID_PARAMETER;
 336     case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
 337     case EPIPE:     return STATUS_PIPE_DISCONNECTED;
 338     case EIO:       return STATUS_DEVICE_NOT_READY;
 339 #ifdef ENOMEDIUM
 340     case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
 341 #endif
 342     case ENXIO:     return STATUS_NO_SUCH_DEVICE;
 343     case ENOTTY:
 344     case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
 345     case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
 346     case EFAULT:    return STATUS_ACCESS_VIOLATION;
 347     case ESPIPE:    return STATUS_ILLEGAL_FUNCTION;
 348 #ifdef ETIME /* Missing on FreeBSD */
 349     case ETIME:     return STATUS_IO_TIMEOUT;
 350 #endif
 351     case ENOEXEC:   /* ?? */
 352     case EEXIST:    /* ?? */
 353     default:
 354         FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
 355         return STATUS_UNSUCCESSFUL;
 356     }
 357 }
 358
 359 /***********************************************************************
 360  *             FILE_AsyncReadService      (INTERNAL)
 361  */
 362 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
 363 {
 364     async_fileio_read *fileio = user;
 365     int fd, needs_close, result;
 366
 367     switch (status)
 368     {
 369     case STATUS_ALERTED: /* got some new data */
 370         /* check to see if the data is ready (non-blocking) */
 371         if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
 372                                           &needs_close, NULL, NULL )))
 373             break;
 374
 375         result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
 376         if (needs_close) close( fd );
 377
 378         if (result < 0)
 379         {
 380             if (errno == EAGAIN || errno == EINTR)
 381                 status = STATUS_PENDING;
 382             else /* check to see if the transfer is complete */
 383                 status = FILE_GetNtStatus();
 384         }
 385         else if (result == 0)
 386         {
 387             status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
 388         }
 389         else
 390         {
 391             fileio->already += result;
 392             if (fileio->already >= fileio->count || fileio->avail_mode)
 393                 status = STATUS_SUCCESS;
 394             else
 395             {
 396                 /* if we only have to read the available data, and none is available,
 397                  * simply cancel the request. If data was available, it has been read
 398                  * while in by previous call (NtDelayExecution)
 399                  */
 400                 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
 401             }
 402         }
 403         break;
 404
 405     case STATUS_TIMEOUT:
 406     case STATUS_IO_TIMEOUT:
 407         if (fileio->already) status = STATUS_SUCCESS;
 408         break;
 409     }
 410     if (status != STATUS_PENDING)
 411     {
 412         iosb->u.Status = status;
 413         iosb->Information = fileio->already;
 414         *apc = fileio_apc;
 415     }
 416     return status;
 417 }
 418
 419 struct io_timeouts
 420 {
 421     int interval;   /* max interval between two bytes */
 422     int total;      /* total timeout for the whole operation */
 423     int end_time;   /* absolute time of end of operation */
 424 };
 425
 426 /* retrieve the I/O timeouts to use for a given handle */
 427 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
 428                                  struct io_timeouts *timeouts )
 429 {
 430     NTSTATUS status = STATUS_SUCCESS;
 431
 432     timeouts->interval = timeouts->total = -1;
 433
 434     switch(type)
 435     {
 436     case FD_TYPE_SERIAL:
 437         {
 438             /* GetCommTimeouts */
 439             SERIAL_TIMEOUTS st;
 440             IO_STATUS_BLOCK io;
 441
 442             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 443                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 444             if (status) break;
 445
 446             if (is_read)
 447             {
 448                 if (st.ReadIntervalTimeout)
 449                     timeouts->interval = st.ReadIntervalTimeout;
 450
 451                 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
 452                 {
 453                     timeouts->total = st.ReadTotalTimeoutConstant;
 454                     if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
 455                         timeouts->total += count * st.ReadTotalTimeoutMultiplier;
 456                 }
 457                 else if (st.ReadIntervalTimeout == MAXDWORD)
 458                     timeouts->interval = timeouts->total = 0;
 459             }
 460             else  /* write */
 461             {
 462                 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
 463                 {
 464                     timeouts->total = st.WriteTotalTimeoutConstant;
 465                     if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
 466                         timeouts->total += count * st.WriteTotalTimeoutMultiplier;
 467                 }
 468             }
 469         }
 470         break;
 471     case FD_TYPE_MAILSLOT:
 472         if (is_read)
 473         {
 474             timeouts->interval = 0;  /* return as soon as we got something */
 475             SERVER_START_REQ( set_mailslot_info )
 476             {
 477                 req->handle = wine_server_obj_handle( handle );
 478                 req->flags = 0;
 479                 if (!(status = wine_server_call( req )) &&
 480                     reply->read_timeout != TIMEOUT_INFINITE)
 481                     timeouts->total = reply->read_timeout / -10000;
 482             }
 483             SERVER_END_REQ;
 484         }
 485         break;
 486     case FD_TYPE_SOCKET:
 487     case FD_TYPE_PIPE:
 488     case FD_TYPE_CHAR:
 489         if (is_read) timeouts->interval = 0;  /* return as soon as we got something */
 490         break;
 491     default:
 492         break;
 493     }
 494     if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
 495     return STATUS_SUCCESS;
 496 }
 497
 498
 499 /* retrieve the timeout for the next wait, in milliseconds */
 500 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
 501 {
 502     int ret = -1;
 503
 504     if (timeouts->total != -1)
 505     {
 506         ret = timeouts->end_time - NtGetTickCount();
 507         if (ret < 0) ret = 0;
 508     }
 509     if (already && timeouts->interval != -1)
 510     {
 511         if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
 512     }
 513     return ret;
 514 }
 515
 516
 517 /* retrieve the avail_mode flag for async reads */
 518 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
 519 {
 520     NTSTATUS status = STATUS_SUCCESS;
 521
 522     switch(type)
 523     {
 524     case FD_TYPE_SERIAL:
 525         {
 526             /* GetCommTimeouts */
 527             SERIAL_TIMEOUTS st;
 528             IO_STATUS_BLOCK io;
 529
 530             status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
 531                                             IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
 532             if (status) break;
 533             *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
 534                            !st.ReadTotalTimeoutConstant &&
 535                            st.ReadIntervalTimeout == MAXDWORD);
 536         }
 537         break;
 538     case FD_TYPE_MAILSLOT:
 539     case FD_TYPE_SOCKET:
 540     case FD_TYPE_PIPE:
 541     case FD_TYPE_CHAR:
 542         *avail_mode = TRUE;
 543         break;
 544     default:
 545         *avail_mode = FALSE;
 546         break;
 547     }
 548     return status;
 549 }
 550
 551
 552 /******************************************************************************
 553  *  NtReadFile                                  [NTDLL.@]
 554  *  ZwReadFile                                  [NTDLL.@]
 555  *
 556  * Read from an open file handle.
 557  *
 558  * PARAMS
 559  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 560  *  Event         [I] Event to signal upon completion (or NULL)
 561  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 562  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 563  *  IoStatusBlock [O] Receives information about the operation on return
 564  *  Buffer        [O] Destination for the data read
 565  *  Length        [I] Size of Buffer
 566  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 567  *  Key           [O] Function unknown (may be NULL)
 568  *
 569  * RETURNS
 570  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 571  *           The number of bytes read.
 572  *  Failure: An NTSTATUS error code describing the error.
 573  */
 574 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
 575                            PIO_APC_ROUTINE apc, void* apc_user,
 576                            PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
 577                            PLARGE_INTEGER offset, PULONG key)
 578 {
 579     int result, unix_handle, needs_close, timeout_init_done = 0;
 580     unsigned int options;
 581     struct io_timeouts timeouts;
 582     NTSTATUS status;
 583     ULONG total = 0;
 584     enum server_fd_type type;
 585     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 586     BOOL send_completion = FALSE;
 587
 588     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
 589           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 590
 591     if (!io_status) return STATUS_ACCESS_VIOLATION;
 592
 593     status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
 594                                  &needs_close, &type, &options );
 595     if (status) return status;
 596
 597     if (!virtual_check_buffer_for_write( buffer, length ))
 598     {
 599         status = STATUS_ACCESS_VIOLATION;
 600         goto done;
 601     }
 602
 603     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 604     {
 605         /* async I/O doesn't make sense on regular files */
 606         while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
 607         {
 608             if (errno != EINTR)
 609             {
 610                 status = FILE_GetNtStatus();
 611                 goto done;
 612             }
 613         }
 614         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 615             /* update file pointer position */
 616             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 617
 618         total = result;
 619         status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
 620         goto done;
 621     }
 622
 623     for (;;)
 624     {
 625         if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
 626         {
 627             total += result;
 628             if (!result || total == length)
 629             {
 630                 if (total)
 631                 {
 632                     status = STATUS_SUCCESS;
 633                     goto done;
 634                 }
 635                 switch (type)
 636                 {
 637                 case FD_TYPE_FILE:
 638                 case FD_TYPE_CHAR:
 639                     status = STATUS_END_OF_FILE;
 640                     goto done;
 641                 case FD_TYPE_SERIAL:
 642                     break;
 643                 default:
 644                     status = STATUS_PIPE_BROKEN;
 645                     goto done;
 646                 }
 647             }
 648             else if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
 649         }
 650         else if (errno != EAGAIN)
 651         {
 652             if (errno == EINTR) continue;
 653             if (!total) status = FILE_GetNtStatus();
 654             goto done;
 655         }
 656
 657         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
 658         {
 659             async_fileio_read *fileio;
 660             BOOL avail_mode;
 661
 662             if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
 663                 goto err;
 664             if (total && avail_mode)
 665             {
 666                 status = STATUS_SUCCESS;
 667                 goto done;
 668             }
 669
 670             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
 671             {
 672                 status = STATUS_NO_MEMORY;
 673                 goto err;
 674             }
 675             fileio->io.handle  = hFile;
 676             fileio->io.apc     = apc;
 677             fileio->io.apc_arg = apc_user;
 678             fileio->already = total;
 679             fileio->count = length;
 680             fileio->buffer = buffer;
 681             fileio->avail_mode = avail_mode;
 682
 683             SERVER_START_REQ( register_async )
 684             {
 685                 req->type   = ASYNC_TYPE_READ;
 686                 req->count  = length;
 687                 req->async.handle   = wine_server_obj_handle( hFile );
 688                 req->async.event    = wine_server_obj_handle( hEvent );
 689                 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
 690                 req->async.iosb     = wine_server_client_ptr( io_status );
 691                 req->async.arg      = wine_server_client_ptr( fileio );
 692                 req->async.cvalue   = cvalue;
 693                 status = wine_server_call( req );
 694             }
 695             SERVER_END_REQ;
 696
 697             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
 698             goto err;
 699         }
 700         else  /* synchronous read, wait for the fd to become ready */
 701         {
 702             struct pollfd pfd;
 703             int ret, timeout;
 704
 705             if (!timeout_init_done)
 706             {
 707                 timeout_init_done = 1;
 708                 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
 709                     goto err;
 710                 if (hEvent) NtResetEvent( hEvent, NULL );
 711             }
 712             timeout = get_next_io_timeout( &timeouts, total );
 713
 714             pfd.fd = unix_handle;
 715             pfd.events = POLLIN;
 716
 717             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
 718             {
 719                 if (total)  /* return with what we got so far */
 720                     status = STATUS_SUCCESS;
 721                 else
 722                     status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
 723                 goto done;
 724             }
 725             if (ret == -1 && errno != EINTR)
 726             {
 727                 status = FILE_GetNtStatus();
 728                 goto done;
 729             }
 730             /* will now restart the read */
 731         }
 732     }
 733
 734 done:
 735     send_completion = cvalue != 0;
 736
 737 err:
 738     if (needs_close) close( unix_handle );
 739     if (status == STATUS_SUCCESS)
 740     {
 741         io_status->u.Status = status;
 742         io_status->Information = total;
 743         TRACE("= SUCCESS (%u)\n", total);
 744         if (hEvent) NtSetEvent( hEvent, NULL );
 745         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 746                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 747     }
 748     else
 749     {
 750         TRACE("= 0x%08x\n", status);
 751         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
 752     }
 753
 754     if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
 755
 756     return status;
 757 }
 758
 759
 760 /******************************************************************************
 761  *  NtReadFileScatter   [NTDLL.@]
 762  *  ZwReadFileScatter   [NTDLL.@]
 763  */
 764 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
 765                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
 766                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
 767 {
 768     int result, unix_handle, needs_close;
 769     unsigned int options;
 770     NTSTATUS status;
 771     ULONG pos = 0, total = 0;
 772     enum server_fd_type type;
 773     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 774     BOOL send_completion = FALSE;
 775
 776     TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
 777            file, event, apc, apc_user, io_status, segments, length, offset, key);
 778
 779     if (length % page_size) return STATUS_INVALID_PARAMETER;
 780     if (!io_status) return STATUS_ACCESS_VIOLATION;
 781
 782     status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
 783                                  &needs_close, &type, &options );
 784     if (status) return status;
 785
 786     if ((type != FD_TYPE_FILE) ||
 787         (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
 788         !(options & FILE_NO_INTERMEDIATE_BUFFERING))
 789     {
 790         status = STATUS_INVALID_PARAMETER;
 791         goto error;
 792     }
 793
 794     while (length)
 795     {
 796         if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
 797             result = pread( unix_handle, (char *)segments->Buffer + pos,
 798                             page_size - pos, offset->QuadPart + total );
 799         else
 800             result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
 801
 802         if (result == -1)
 803         {
 804             if (errno == EINTR) continue;
 805             status = FILE_GetNtStatus();
 806             break;
 807         }
 808         if (!result)
 809         {
 810             status = STATUS_END_OF_FILE;
 811             break;
 812         }
 813         total += result;
 814         length -= result;
 815         if ((pos += result) == page_size)
 816         {
 817             pos = 0;
 818             segments++;
 819         }
 820     }
 821
 822     send_completion = cvalue != 0;
 823
 824  error:
 825     if (needs_close) close( unix_handle );
 826     if (status == STATUS_SUCCESS)
 827     {
 828         io_status->u.Status = status;
 829         io_status->Information = total;
 830         TRACE("= SUCCESS (%u)\n", total);
 831         if (event) NtSetEvent( event, NULL );
 832         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
 833                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
 834     }
 835     else
 836     {
 837         TRACE("= 0x%08x\n", status);
 838         if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
 839     }
 840
 841     if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
 842
 843     return status;
 844 }
 845
 846
 847 /***********************************************************************
 848  *             FILE_AsyncWriteService      (INTERNAL)
 849  */
 850 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
 851 {
 852     async_fileio_write *fileio = user;
 853     int result, fd, needs_close;
 854     enum server_fd_type type;
 855
 856     switch (status)
 857     {
 858     case STATUS_ALERTED:
 859         /* write some data (non-blocking) */
 860         if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
 861                                           &needs_close, &type, NULL )))
 862             break;
 863
 864         if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 865             result = send( fd, fileio->buffer, 0, 0 );
 866         else
 867             result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
 868
 869         if (needs_close) close( fd );
 870
 871         if (result < 0)
 872         {
 873             if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
 874             else status = FILE_GetNtStatus();
 875         }
 876         else
 877         {
 878             fileio->already += result;
 879             status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
 880         }
 881         break;
 882
 883     case STATUS_TIMEOUT:
 884     case STATUS_IO_TIMEOUT:
 885         if (fileio->already) status = STATUS_SUCCESS;
 886         break;
 887     }
 888     if (status != STATUS_PENDING)
 889     {
 890         iosb->u.Status = status;
 891         iosb->Information = fileio->already;
 892         *apc = fileio_apc;
 893     }
 894     return status;
 895 }
 896
 897 /******************************************************************************
 898  *  NtWriteFile                                 [NTDLL.@]
 899  *  ZwWriteFile                                 [NTDLL.@]
 900  *
 901  * Write to an open file handle.
 902  *
 903  * PARAMS
 904  *  FileHandle    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
 905  *  Event         [I] Event to signal upon completion (or NULL)
 906  *  ApcRoutine    [I] Callback to call upon completion (or NULL)
 907  *  ApcContext    [I] Context for ApcRoutine (or NULL)
 908  *  IoStatusBlock [O] Receives information about the operation on return
 909  *  Buffer        [I] Source for the data to write
 910  *  Length        [I] Size of Buffer
 911  *  ByteOffset    [O] Destination for the new file pointer position (or NULL)
 912  *  Key           [O] Function unknown (may be NULL)
 913  *
 914  * RETURNS
 915  *  Success: 0. IoStatusBlock is updated, and the Information member contains
 916  *           The number of bytes written.
 917  *  Failure: An NTSTATUS error code describing the error.
 918  */
 919 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
 920                             PIO_APC_ROUTINE apc, void* apc_user,
 921                             PIO_STATUS_BLOCK io_status,
 922                             const void* buffer, ULONG length,
 923                             PLARGE_INTEGER offset, PULONG key)
 924 {
 925     int result, unix_handle, needs_close, timeout_init_done = 0;
 926     unsigned int options;
 927     struct io_timeouts timeouts;
 928     NTSTATUS status;
 929     ULONG total = 0;
 930     enum server_fd_type type;
 931     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
 932     BOOL send_completion = FALSE;
 933
 934     TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
 935           hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
 936
 937     if (!io_status) return STATUS_ACCESS_VIOLATION;
 938
 939     status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
 940                                  &needs_close, &type, &options );
 941     if (status) return status;
 942
 943     if (!virtual_check_buffer_for_read( buffer, length ))
 944     {
 945         status = STATUS_INVALID_USER_BUFFER;
 946         goto done;
 947     }
 948
 949     if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
 950     {
 951         /* async I/O doesn't make sense on regular files */
 952         while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
 953         {
 954             if (errno != EINTR)
 955             {
 956                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
 957                 else status = FILE_GetNtStatus();
 958                 goto done;
 959             }
 960         }
 961
 962         if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
 963             /* update file pointer position */
 964             lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
 965
 966         total = result;
 967         status = STATUS_SUCCESS;
 968         goto done;
 969     }
 970
 971     for (;;)
 972     {
 973         /* zero-length writes on sockets may not work with plain write(2) */
 974         if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
 975             result = send( unix_handle, buffer, 0, 0 );
 976         else
 977             result = write( unix_handle, (const char *)buffer + total, length - total );
 978
 979         if (result >= 0)
 980         {
 981             total += result;
 982             if (total == length)
 983             {
 984                 status = STATUS_SUCCESS;
 985                 goto done;
 986             }
 987             if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
 988         }
 989         else if (errno != EAGAIN)
 990         {
 991             if (errno == EINTR) continue;
 992             if (!total)
 993             {
 994                 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
 995                 else status = FILE_GetNtStatus();
 996             }
 997             goto done;
 998         }
 999
1000         if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
1001         {
1002             async_fileio_write *fileio;
1003
1004             if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
1005             {
1006                 status = STATUS_NO_MEMORY;
1007                 goto err;
1008             }
1009             fileio->io.handle  = hFile;
1010             fileio->io.apc     = apc;
1011             fileio->io.apc_arg = apc_user;
1012             fileio->already = total;
1013             fileio->count = length;
1014             fileio->buffer = buffer;
1015
1016             SERVER_START_REQ( register_async )
1017             {
1018                 req->type   = ASYNC_TYPE_WRITE;
1019                 req->count  = length;
1020                 req->async.handle   = wine_server_obj_handle( hFile );
1021                 req->async.event    = wine_server_obj_handle( hEvent );
1022                 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
1023                 req->async.iosb     = wine_server_client_ptr( io_status );
1024                 req->async.arg      = wine_server_client_ptr( fileio );
1025                 req->async.cvalue   = cvalue;
1026                 status = wine_server_call( req );
1027             }
1028             SERVER_END_REQ;
1029
1030             if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1031             goto err;
1032         }
1033         else  /* synchronous write, wait for the fd to become ready */
1034         {
1035             struct pollfd pfd;
1036             int ret, timeout;
1037
1038             if (!timeout_init_done)
1039             {
1040                 timeout_init_done = 1;
1041                 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1042                     goto err;
1043                 if (hEvent) NtResetEvent( hEvent, NULL );
1044             }
1045             timeout = get_next_io_timeout( &timeouts, total );
1046
1047             pfd.fd = unix_handle;
1048             pfd.events = POLLOUT;
1049
1050             if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1051             {
1052                 /* return with what we got so far */
1053                 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1054                 goto done;
1055             }
1056             if (ret == -1 && errno != EINTR)
1057             {
1058                 status = FILE_GetNtStatus();
1059                 goto done;
1060             }
1061             /* will now restart the write */
1062         }
1063     }
1064
1065 done:
1066     send_completion = cvalue != 0;
1067
1068 err:
1069     if (needs_close) close( unix_handle );
1070     if (status == STATUS_SUCCESS)
1071     {
1072         io_status->u.Status = status;
1073         io_status->Information = total;
1074         TRACE("= SUCCESS (%u)\n", total);
1075         if (hEvent) NtSetEvent( hEvent, NULL );
1076         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1077                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1078     }
1079     else
1080     {
1081         TRACE("= 0x%08x\n", status);
1082         if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1083     }
1084
1085     if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
1086
1087     return status;
1088 }
1089
1090
1091 /******************************************************************************
1092  *  NtWriteFileGather   [NTDLL.@]
1093  *  ZwWriteFileGather   [NTDLL.@]
1094  */
1095 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1096                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1097                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
1098 {
1099     int result, unix_handle, needs_close;
1100     unsigned int options;
1101     NTSTATUS status;
1102     ULONG pos = 0, total = 0;
1103     enum server_fd_type type;
1104     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1105     BOOL send_completion = FALSE;
1106
1107     TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1108            file, event, apc, apc_user, io_status, segments, length, offset, key);
1109
1110     if (length % page_size) return STATUS_INVALID_PARAMETER;
1111     if (!io_status) return STATUS_ACCESS_VIOLATION;
1112
1113     status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1114                                  &needs_close, &type, &options );
1115     if (status) return status;
1116
1117     if ((type != FD_TYPE_FILE) ||
1118         (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1119         !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1120     {
1121         status = STATUS_INVALID_PARAMETER;
1122         goto error;
1123     }
1124
1125     while (length)
1126     {
1127         if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1128             result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1129                              page_size - pos, offset->QuadPart + total );
1130         else
1131             result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1132
1133         if (result == -1)
1134         {
1135             if (errno == EINTR) continue;
1136             if (errno == EFAULT)
1137             {
1138                 status = STATUS_INVALID_USER_BUFFER;
1139                 goto error;
1140             }
1141             status = FILE_GetNtStatus();
1142             break;
1143         }
1144         if (!result)
1145         {
1146             status = STATUS_DISK_FULL;
1147             break;
1148         }
1149         total += result;
1150         length -= result;
1151         if ((pos += result) == page_size)
1152         {
1153             pos = 0;
1154             segments++;
1155         }
1156     }
1157
1158     send_completion = cvalue != 0;
1159
1160  error:
1161     if (needs_close) close( unix_handle );
1162     if (status == STATUS_SUCCESS)
1163     {
1164         io_status->u.Status = status;
1165         io_status->Information = total;
1166         TRACE("= SUCCESS (%u)\n", total);
1167         if (event) NtSetEvent( event, NULL );
1168         if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1169                                    (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1170     }
1171     else
1172     {
1173         TRACE("= 0x%08x\n", status);
1174         if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1175     }
1176
1177     if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
1178
1179     return status;
1180 }
1181
1182
1183 struct async_ioctl
1184 {
1185     HANDLE          handle;   /* handle to the device */
1186     HANDLE          event;    /* async event */
1187     void           *buffer;   /* buffer for output */
1188     ULONG           size;     /* size of buffer */
1189     PIO_APC_ROUTINE apc;      /* user apc params */
1190     void           *apc_arg;
1191 };
1192
1193 /* callback for ioctl user APC */
1194 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1195 {
1196     struct async_ioctl *async = arg;
1197     if (async->apc) async->apc( async->apc_arg, io, reserved );
1198     RtlFreeHeap( GetProcessHeap(), 0, async );
1199 }
1200
1201 /* callback for ioctl async I/O completion */
1202 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1203 {
1204     struct async_ioctl *async = arg;
1205
1206     if (status == STATUS_ALERTED)
1207     {
1208         SERVER_START_REQ( get_ioctl_result )
1209         {
1210             req->handle   = wine_server_obj_handle( async->handle );
1211             req->user_arg = wine_server_client_ptr( async );
1212             wine_server_set_reply( req, async->buffer, async->size );
1213             status = wine_server_call( req );
1214             if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1215         }
1216         SERVER_END_REQ;
1217     }
1218     if (status != STATUS_PENDING)
1219     {
1220         io->u.Status = status;
1221         if (async->apc || async->event) *apc = ioctl_apc;
1222     }
1223     return status;
1224 }
1225
1226 /* do a ioctl call through the server */
1227 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1228                                    PIO_APC_ROUTINE apc, PVOID apc_context,
1229                                    IO_STATUS_BLOCK *io, ULONG code,
1230                                    const void *in_buffer, ULONG in_size,
1231                                    PVOID out_buffer, ULONG out_size )
1232 {
1233     struct async_ioctl *async;
1234     NTSTATUS status;
1235     HANDLE wait_handle;
1236     ULONG options;
1237     ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1238
1239     if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1240         return STATUS_NO_MEMORY;
1241     async->handle  = handle;
1242     async->event   = event;
1243     async->buffer  = out_buffer;
1244     async->size    = out_size;
1245     async->apc     = apc;
1246     async->apc_arg = apc_context;
1247
1248     SERVER_START_REQ( ioctl )
1249     {
1250         req->code           = code;
1251         req->blocking       = !apc && !event && !cvalue;
1252         req->async.handle   = wine_server_obj_handle( handle );
1253         req->async.callback = wine_server_client_ptr( ioctl_completion );
1254         req->async.iosb     = wine_server_client_ptr( io );
1255         req->async.arg      = wine_server_client_ptr( async );
1256         req->async.event    = wine_server_obj_handle( event );
1257         req->async.cvalue   = cvalue;
1258         wine_server_add_data( req, in_buffer, in_size );
1259         wine_server_set_reply( req, out_buffer, out_size );
1260         status = wine_server_call( req );
1261         wait_handle = wine_server_ptr_handle( reply->wait );
1262         options     = reply->options;
1263         if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1264     }
1265     SERVER_END_REQ;
1266
1267     if (status == STATUS_NOT_SUPPORTED)
1268         FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1269               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1270
1271     if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1272
1273     if (wait_handle)
1274     {
1275         NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1276         status = io->u.Status;
1277         NtClose( wait_handle );
1278         RtlFreeHeap( GetProcessHeap(), 0, async );
1279     }
1280
1281     return status;
1282 }
1283
1284 /* Tell Valgrind to ignore any holes in structs we will be passing to the
1285  * server */
1286 static void ignore_server_ioctl_struct_holes (ULONG code, const void *in_buffer,
1287                                               ULONG in_size)
1288 {
1289 #ifdef VALGRIND_MAKE_MEM_DEFINED
1290 # define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
1291     do { \
1292         if (FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
1293             if ((size) >= FIELD_OFFSET(t, f2)) \
1294                 VALGRIND_MAKE_MEM_DEFINED( \
1295                     (const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
1296                     FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
1297     } while (0)
1298
1299     switch (code)
1300     {
1301     case FSCTL_PIPE_WAIT:
1302         IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
1303         break;
1304     }
1305 #endif
1306 }
1307
1308
1309 /**************************************************************************
1310  *              NtDeviceIoControlFile                   [NTDLL.@]
1311  *              ZwDeviceIoControlFile                   [NTDLL.@]
1312  *
1313  * Perform an I/O control operation on an open file handle.
1314  *
1315  * PARAMS
1316  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1317  *  event          [I] Event to signal upon completion (or NULL)
1318  *  apc            [I] Callback to call upon completion (or NULL)
1319  *  apc_context    [I] Context for ApcRoutine (or NULL)
1320  *  io             [O] Receives information about the operation on return
1321  *  code           [I] Control code for the operation to perform
1322  *  in_buffer      [I] Source for any input data required (or NULL)
1323  *  in_size        [I] Size of InputBuffer
1324  *  out_buffer     [O] Source for any output data returned (or NULL)
1325  *  out_size       [I] Size of OutputBuffer
1326  *
1327  * RETURNS
1328  *  Success: 0. IoStatusBlock is updated.
1329  *  Failure: An NTSTATUS error code describing the error.
1330  */
1331 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1332                                       PIO_APC_ROUTINE apc, PVOID apc_context,
1333                                       PIO_STATUS_BLOCK io, ULONG code,
1334                                       PVOID in_buffer, ULONG in_size,
1335                                       PVOID out_buffer, ULONG out_size)
1336 {
1337     ULONG device = (code >> 16);
1338     NTSTATUS status = STATUS_NOT_SUPPORTED;
1339
1340     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1341           handle, event, apc, apc_context, io, code,
1342           in_buffer, in_size, out_buffer, out_size);
1343
1344     switch(device)
1345     {
1346     case FILE_DEVICE_DISK:
1347     case FILE_DEVICE_CD_ROM:
1348     case FILE_DEVICE_DVD:
1349     case FILE_DEVICE_CONTROLLER:
1350     case FILE_DEVICE_MASS_STORAGE:
1351         status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1352                                        in_buffer, in_size, out_buffer, out_size);
1353         break;
1354     case FILE_DEVICE_SERIAL_PORT:
1355         status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1356                                       in_buffer, in_size, out_buffer, out_size);
1357         break;
1358     case FILE_DEVICE_TAPE:
1359         status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1360                                       in_buffer, in_size, out_buffer, out_size);
1361         break;
1362     }
1363
1364     if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1365         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1366                                     in_buffer, in_size, out_buffer, out_size );
1367
1368     if (status != STATUS_PENDING) io->u.Status = status;
1369     return status;
1370 }
1371
1372
1373 /**************************************************************************
1374  *              NtFsControlFile                 [NTDLL.@]
1375  *              ZwFsControlFile                 [NTDLL.@]
1376  *
1377  * Perform a file system control operation on an open file handle.
1378  *
1379  * PARAMS
1380  *  handle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1381  *  event          [I] Event to signal upon completion (or NULL)
1382  *  apc            [I] Callback to call upon completion (or NULL)
1383  *  apc_context    [I] Context for ApcRoutine (or NULL)
1384  *  io             [O] Receives information about the operation on return
1385  *  code           [I] Control code for the operation to perform
1386  *  in_buffer      [I] Source for any input data required (or NULL)
1387  *  in_size        [I] Size of InputBuffer
1388  *  out_buffer     [O] Source for any output data returned (or NULL)
1389  *  out_size       [I] Size of OutputBuffer
1390  *
1391  * RETURNS
1392  *  Success: 0. IoStatusBlock is updated.
1393  *  Failure: An NTSTATUS error code describing the error.
1394  */
1395 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1396                                 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1397                                 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1398 {
1399     NTSTATUS status;
1400
1401     TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1402           handle, event, apc, apc_context, io, code,
1403           in_buffer, in_size, out_buffer, out_size);
1404
1405     if (!io) return STATUS_INVALID_PARAMETER;
1406
1407     ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
1408
1409     switch(code)
1410     {
1411     case FSCTL_DISMOUNT_VOLUME:
1412         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1413                                     in_buffer, in_size, out_buffer, out_size );
1414         if (!status) status = DIR_unmount_device( handle );
1415         break;
1416
1417     case FSCTL_PIPE_PEEK:
1418         {
1419             FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1420             int avail = 0, fd, needs_close;
1421
1422             if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1423             {
1424                 status = STATUS_INFO_LENGTH_MISMATCH;
1425                 break;
1426             }
1427
1428             if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1429                 break;
1430
1431 #ifdef FIONREAD
1432             if (ioctl( fd, FIONREAD, &avail ) != 0)
1433             {
1434                 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1435                 if (needs_close) close( fd );
1436                 status = FILE_GetNtStatus();
1437                 break;
1438             }
1439 #endif
1440             if (!avail)  /* check for closed pipe */
1441             {
1442                 struct pollfd pollfd;
1443                 int ret;
1444
1445                 pollfd.fd = fd;
1446                 pollfd.events = POLLIN;
1447                 pollfd.revents = 0;
1448                 ret = poll( &pollfd, 1, 0 );
1449                 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1450                 {
1451                     if (needs_close) close( fd );
1452                     status = STATUS_PIPE_BROKEN;
1453                     break;
1454                 }
1455             }
1456             buffer->NamedPipeState    = 0;  /* FIXME */
1457             buffer->ReadDataAvailable = avail;
1458             buffer->NumberOfMessages  = 0;  /* FIXME */
1459             buffer->MessageLength     = 0;  /* FIXME */
1460             io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1461             status = STATUS_SUCCESS;
1462             if (avail)
1463             {
1464                 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1465                 if (data_size)
1466                 {
1467                     int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1468                     if (res >= 0) io->Information += res;
1469                 }
1470             }
1471             if (needs_close) close( fd );
1472         }
1473         break;
1474
1475     case FSCTL_PIPE_DISCONNECT:
1476         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1477                                     in_buffer, in_size, out_buffer, out_size );
1478         if (!status)
1479         {
1480             int fd = server_remove_fd_from_cache( handle );
1481             if (fd != -1) close( fd );
1482         }
1483         break;
1484
1485     case FSCTL_PIPE_IMPERSONATE:
1486         FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1487         status = RtlImpersonateSelf( SecurityImpersonation );
1488         break;
1489
1490     case FSCTL_LOCK_VOLUME:
1491     case FSCTL_UNLOCK_VOLUME:
1492         FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1493               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1494         status = STATUS_SUCCESS;
1495         break;
1496
1497     case FSCTL_GET_RETRIEVAL_POINTERS:
1498     {
1499         RETRIEVAL_POINTERS_BUFFER *buffer = (RETRIEVAL_POINTERS_BUFFER *)out_buffer;
1500
1501         FIXME("stub: FSCTL_GET_RETRIEVAL_POINTERS\n");
1502
1503         if (out_size >= sizeof(RETRIEVAL_POINTERS_BUFFER))
1504         {
1505             buffer->ExtentCount                 = 1;
1506             buffer->StartingVcn.QuadPart        = 1;
1507             buffer->Extents[0].NextVcn.QuadPart = 0;
1508             buffer->Extents[0].Lcn.QuadPart     = 0;
1509             io->Information = sizeof(RETRIEVAL_POINTERS_BUFFER);
1510             status = STATUS_SUCCESS;
1511         }
1512         else
1513         {
1514             io->Information = 0;
1515             status = STATUS_BUFFER_TOO_SMALL;
1516         }
1517         break;
1518     }
1519     case FSCTL_PIPE_LISTEN:
1520     case FSCTL_PIPE_WAIT:
1521     default:
1522         status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1523                                     in_buffer, in_size, out_buffer, out_size );
1524         break;
1525     }
1526
1527     if (status != STATUS_PENDING) io->u.Status = status;
1528     return status;
1529 }
1530
1531 /******************************************************************************
1532  *  NtSetVolumeInformationFile          [NTDLL.@]
1533  *  ZwSetVolumeInformationFile          [NTDLL.@]
1534  *
1535  * Set volume information for an open file handle.
1536  *
1537  * PARAMS
1538  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1539  *  IoStatusBlock      [O] Receives information about the operation on return
1540  *  FsInformation      [I] Source for volume information
1541  *  Length             [I] Size of FsInformation
1542  *  FsInformationClass [I] Type of volume information to set
1543  *
1544  * RETURNS
1545  *  Success: 0. IoStatusBlock is updated.
1546  *  Failure: An NTSTATUS error code describing the error.
1547  */
1548 NTSTATUS WINAPI NtSetVolumeInformationFile(
1549         IN HANDLE FileHandle,
1550         PIO_STATUS_BLOCK IoStatusBlock,
1551         PVOID FsInformation,
1552         ULONG Length,
1553         FS_INFORMATION_CLASS FsInformationClass)
1554 {
1555         FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1556         FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1557         return 0;
1558 }
1559
1560 static NTSTATUS set_file_times( int fd, const LARGE_INTEGER *mtime, const LARGE_INTEGER *atime )
1561 {
1562     NTSTATUS status = STATUS_SUCCESS;
1563
1564 #ifdef HAVE_FUTIMENS
1565     struct timespec tv[2];
1566
1567     tv[0].tv_sec = tv[1].tv_sec = 0;
1568     tv[0].tv_nsec = tv[1].tv_nsec = UTIME_OMIT;
1569     if (atime->QuadPart)
1570     {
1571         tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
1572         tv[0].tv_nsec = (atime->QuadPart % 10000000) * 100;
1573     }
1574     if (mtime->QuadPart)
1575     {
1576         tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
1577         tv[1].tv_nsec = (mtime->QuadPart % 10000000) * 100;
1578     }
1579     if (futimens( fd, tv ) == -1) status = FILE_GetNtStatus();
1580
1581 #elif defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT)
1582     struct timeval tv[2];
1583     struct stat st;
1584
1585     if (!atime->QuadPart || !mtime->QuadPart)
1586     {
1587
1588         tv[0].tv_sec = tv[0].tv_usec = 0;
1589         tv[1].tv_sec = tv[1].tv_usec = 0;
1590         if (!fstat( fd, &st ))
1591         {
1592             tv[0].tv_sec = st.st_atime;
1593             tv[1].tv_sec = st.st_mtime;
1594 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1595             tv[0].tv_usec = st.st_atim.tv_nsec / 1000;
1596 #elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
1597             tv[0].tv_usec = st.st_atimespec.tv_nsec / 1000;
1598 #endif
1599 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1600             tv[1].tv_usec = st.st_mtim.tv_nsec / 1000;
1601 #elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
1602             tv[1].tv_usec = st.st_mtimespec.tv_nsec / 1000;
1603 #endif
1604         }
1605     }
1606     if (atime->QuadPart)
1607     {
1608         tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
1609         tv[0].tv_usec = (atime->QuadPart % 10000000) / 10;
1610     }
1611     if (mtime->QuadPart)
1612     {
1613         tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
1614         tv[1].tv_usec = (mtime->QuadPart % 10000000) / 10;
1615     }
1616 #ifdef HAVE_FUTIMES
1617     if (futimes( fd, tv ) == -1) status = FILE_GetNtStatus();
1618 #elif defined(HAVE_FUTIMESAT)
1619     if (futimesat( fd, NULL, tv ) == -1) status = FILE_GetNtStatus();
1620 #endif
1621
1622 #else  /* HAVE_FUTIMES || HAVE_FUTIMESAT */
1623     FIXME( "setting file times not supported\n" );
1624     status = STATUS_NOT_IMPLEMENTED;
1625 #endif
1626     return status;
1627 }
1628
1629 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1630                                    LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1631 {
1632     RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1633     RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1634     RtlSecondsSince1970ToTime( st->st_atime, atime );
1635 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1636     mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1637 #elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
1638     mtime->QuadPart += st->st_mtimespec.tv_nsec / 100;
1639 #endif
1640 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1641     ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1642 #elif defined(HAVE_STRUCT_STAT_ST_CTIMESPEC)
1643     ctime->QuadPart += st->st_ctimespec.tv_nsec / 100;
1644 #endif
1645 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1646     atime->QuadPart += st->st_atim.tv_nsec / 100;
1647 #elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
1648     atime->QuadPart += st->st_atimespec.tv_nsec / 100;
1649 #endif
1650 #ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
1651     RtlSecondsSince1970ToTime( st->st_birthtime, creation );
1652 #ifdef HAVE_STRUCT_STAT_ST_BIRTHTIM
1653     creation->QuadPart += st->st_birthtim.tv_nsec / 100;
1654 #elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC)
1655     creation->QuadPart += st->st_birthtimespec.tv_nsec / 100;
1656 #endif
1657 #elif defined(HAVE_STRUCT_STAT___ST_BIRTHTIME)
1658     RtlSecondsSince1970ToTime( st->__st_birthtime, creation );
1659 #ifdef HAVE_STRUCT_STAT___ST_BIRTHTIM
1660     creation->QuadPart += st->__st_birthtim.tv_nsec / 100;
1661 #endif
1662 #else
1663     *creation = *mtime;
1664 #endif
1665 }
1666
1667 /* fill in the file information that depends on the stat info */
1668 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1669 {
1670     switch (class)
1671     {
1672     case FileBasicInformation:
1673         {
1674             FILE_BASIC_INFORMATION *info = ptr;
1675
1676             get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1677                             &info->LastAccessTime, &info->CreationTime );
1678             if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1679             else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1680             if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1681                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1682         }
1683         break;
1684     case FileStandardInformation:
1685         {
1686             FILE_STANDARD_INFORMATION *info = ptr;
1687
1688             if ((info->Directory = S_ISDIR(st->st_mode)))
1689             {
1690                 info->AllocationSize.QuadPart = 0;
1691                 info->EndOfFile.QuadPart      = 0;
1692                 info->NumberOfLinks           = 1;
1693             }
1694             else
1695             {
1696                 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1697                 info->EndOfFile.QuadPart      = st->st_size;
1698                 info->NumberOfLinks           = st->st_nlink;
1699             }
1700         }
1701         break;
1702     case FileInternalInformation:
1703         {
1704             FILE_INTERNAL_INFORMATION *info = ptr;
1705             info->IndexNumber.QuadPart = st->st_ino;
1706         }
1707         break;
1708     case FileEndOfFileInformation:
1709         {
1710             FILE_END_OF_FILE_INFORMATION *info = ptr;
1711             info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1712         }
1713         break;
1714     case FileAllInformation:
1715         {
1716             FILE_ALL_INFORMATION *info = ptr;
1717             fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1718             fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1719             fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1720         }
1721         break;
1722     /* all directory structures start with the FileDirectoryInformation layout */
1723     case FileBothDirectoryInformation:
1724     case FileFullDirectoryInformation:
1725     case FileDirectoryInformation:
1726         {
1727             FILE_DIRECTORY_INFORMATION *info = ptr;
1728
1729             get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1730                             &info->LastAccessTime, &info->CreationTime );
1731             if (S_ISDIR(st->st_mode))
1732             {
1733                 info->AllocationSize.QuadPart = 0;
1734                 info->EndOfFile.QuadPart      = 0;
1735                 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1736             }
1737             else
1738             {
1739                 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1740                 info->EndOfFile.QuadPart      = st->st_size;
1741                 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1742             }
1743             if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1744                 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1745         }
1746         break;
1747     case FileIdFullDirectoryInformation:
1748         {
1749             FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1750             info->FileId.QuadPart = st->st_ino;
1751             fill_stat_info( st, info, FileDirectoryInformation );
1752         }
1753         break;
1754     case FileIdBothDirectoryInformation:
1755         {
1756             FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1757             info->FileId.QuadPart = st->st_ino;
1758             fill_stat_info( st, info, FileDirectoryInformation );
1759         }
1760         break;
1761
1762     default:
1763         return STATUS_INVALID_INFO_CLASS;
1764     }
1765     return STATUS_SUCCESS;
1766 }
1767
1768 NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1769 {
1770     data_size_t size = 1024;
1771     NTSTATUS ret;
1772     char *name;
1773
1774     for (;;)
1775     {
1776         name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1777         if (!name) return STATUS_NO_MEMORY;
1778         unix_name->MaximumLength = size + 1;
1779
1780         SERVER_START_REQ( get_handle_unix_name )
1781         {
1782             req->handle = wine_server_obj_handle( handle );
1783             wine_server_set_reply( req, name, size );
1784             ret = wine_server_call( req );
1785             size = reply->name_len;
1786         }
1787         SERVER_END_REQ;
1788
1789         if (!ret)
1790         {
1791             name[size] = 0;
1792             unix_name->Buffer = name;
1793             unix_name->Length = size;
1794             break;
1795         }
1796         RtlFreeHeap( GetProcessHeap(), 0, name );
1797         if (ret != STATUS_BUFFER_OVERFLOW) break;
1798     }
1799     return ret;
1800 }
1801
1802 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1803 {
1804     UNICODE_STRING nt_name;
1805     NTSTATUS status;
1806
1807     if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1808     {
1809         const WCHAR *ptr = nt_name.Buffer;
1810         const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1811
1812         /* Skip the volume mount point. */
1813         while (ptr != end && *ptr == '\\') ++ptr;
1814         while (ptr != end && *ptr != '\\') ++ptr;
1815         while (ptr != end && *ptr == '\\') ++ptr;
1816         while (ptr != end && *ptr != '\\') ++ptr;
1817
1818         info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1819         if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1820         else *name_len = info->FileNameLength;
1821
1822         memcpy( info->FileName, ptr, *name_len );
1823         RtlFreeUnicodeString( &nt_name );
1824     }
1825
1826     return status;
1827 }
1828
1829 /******************************************************************************
1830  *  NtQueryInformationFile              [NTDLL.@]
1831  *  ZwQueryInformationFile              [NTDLL.@]
1832  *
1833  * Get information about an open file handle.
1834  *
1835  * PARAMS
1836  *  hFile    [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1837  *  io       [O] Receives information about the operation on return
1838  *  ptr      [O] Destination for file information
1839  *  len      [I] Size of FileInformation
1840  *  class    [I] Type of file information to get
1841  *
1842  * RETURNS
1843  *  Success: 0. IoStatusBlock and FileInformation are updated.
1844  *  Failure: An NTSTATUS error code describing the error.
1845  */
1846 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1847                                         PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1848 {
1849     static const size_t info_sizes[] =
1850     {
1851         0,
1852         sizeof(FILE_DIRECTORY_INFORMATION),            /* FileDirectoryInformation */
1853         sizeof(FILE_FULL_DIRECTORY_INFORMATION),       /* FileFullDirectoryInformation */
1854         sizeof(FILE_BOTH_DIRECTORY_INFORMATION),       /* FileBothDirectoryInformation */
1855         sizeof(FILE_BASIC_INFORMATION),                /* FileBasicInformation */
1856         sizeof(FILE_STANDARD_INFORMATION),             /* FileStandardInformation */
1857         sizeof(FILE_INTERNAL_INFORMATION),             /* FileInternalInformation */
1858         sizeof(FILE_EA_INFORMATION),                   /* FileEaInformation */
1859         sizeof(FILE_ACCESS_INFORMATION),               /* FileAccessInformation */
1860         sizeof(FILE_NAME_INFORMATION),                 /* FileNameInformation */
1861         sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1862         0,                                             /* FileLinkInformation */
1863         sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR),  /* FileNamesInformation */
1864         sizeof(FILE_DISPOSITION_INFORMATION),          /* FileDispositionInformation */
1865         sizeof(FILE_POSITION_INFORMATION),             /* FilePositionInformation */
1866         sizeof(FILE_FULL_EA_INFORMATION),              /* FileFullEaInformation */
1867         sizeof(FILE_MODE_INFORMATION),                 /* FileModeInformation */
1868         sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
1869         sizeof(FILE_ALL_INFORMATION),                  /* FileAllInformation */
1870         sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
1871         sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
1872         0,                                             /* FileAlternateNameInformation */
1873         sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1874         0,                                             /* FilePipeInformation */
1875         sizeof(FILE_PIPE_LOCAL_INFORMATION),           /* FilePipeLocalInformation */
1876         0,                                             /* FilePipeRemoteInformation */
1877         sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
1878         0,                                             /* FileMailslotSetInformation */
1879         0,                                             /* FileCompressionInformation */
1880         0,                                             /* FileObjectIdInformation */
1881         0,                                             /* FileCompletionInformation */
1882         0,                                             /* FileMoveClusterInformation */
1883         0,                                             /* FileQuotaInformation */
1884         0,                                             /* FileReparsePointInformation */
1885         0,                                             /* FileNetworkOpenInformation */
1886         0,                                             /* FileAttributeTagInformation */
1887         0,                                             /* FileTrackingInformation */
1888         0,                                             /* FileIdBothDirectoryInformation */
1889         0,                                             /* FileIdFullDirectoryInformation */
1890         0,                                             /* FileValidDataLengthInformation */
1891         0,                                             /* FileShortNameInformation */
1892         0,
1893         0,
1894         0,
1895         0,                                             /* FileSfioReserveInformation */
1896         0,                                             /* FileSfioVolumeInformation */
1897         0,                                             /* FileHardLinkInformation */
1898         0,
1899         0,                                             /* FileNormalizedNameInformation */
1900         0,
1901         0,                                             /* FileIdGlobalTxDirectoryInformation */
1902         0,
1903         0,
1904         0,
1905         0                                              /* FileStandardLinkInformation */
1906     };
1907
1908     struct stat st;
1909     int fd, needs_close = FALSE;
1910
1911     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1912
1913     io->Information = 0;
1914
1915     if (class <= 0 || class >= FileMaximumInformation)
1916         return io->u.Status = STATUS_INVALID_INFO_CLASS;
1917     if (!info_sizes[class])
1918     {
1919         FIXME("Unsupported class (%d)\n", class);
1920         return io->u.Status = STATUS_NOT_IMPLEMENTED;
1921     }
1922     if (len < info_sizes[class])
1923         return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1924
1925     if (class != FilePipeLocalInformation)
1926     {
1927         if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1928             return io->u.Status;
1929     }
1930
1931     switch (class)
1932     {
1933     case FileBasicInformation:
1934         if (fstat( fd, &st ) == -1)
1935             io->u.Status = FILE_GetNtStatus();
1936         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1937             io->u.Status = STATUS_INVALID_INFO_CLASS;
1938         else
1939             fill_stat_info( &st, ptr, class );
1940         break;
1941     case FileStandardInformation:
1942         {
1943             FILE_STANDARD_INFORMATION *info = ptr;
1944
1945             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1946             else
1947             {
1948                 fill_stat_info( &st, info, class );
1949                 info->DeletePending = FALSE; /* FIXME */
1950             }
1951         }
1952         break;
1953     case FilePositionInformation:
1954         {
1955             FILE_POSITION_INFORMATION *info = ptr;
1956             off_t res = lseek( fd, 0, SEEK_CUR );
1957             if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1958             else info->CurrentByteOffset.QuadPart = res;
1959         }
1960         break;
1961     case FileInternalInformation:
1962         if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1963         else fill_stat_info( &st, ptr, class );
1964         break;
1965     case FileEaInformation:
1966         {
1967             FILE_EA_INFORMATION *info = ptr;
1968             info->EaSize = 0;
1969         }
1970         break;
1971     case FileEndOfFileInformation:
1972         if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1973         else fill_stat_info( &st, ptr, class );
1974         break;
1975     case FileAllInformation:
1976         {
1977             FILE_ALL_INFORMATION *info = ptr;
1978             ANSI_STRING unix_name;
1979
1980             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1981             else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1982                 io->u.Status = STATUS_INVALID_INFO_CLASS;
1983             else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1984             {
1985                 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1986
1987                 fill_stat_info( &st, info, FileAllInformation );
1988                 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1989                 info->EaInformation.EaSize = 0;
1990                 info->AccessInformation.AccessFlags = 0;  /* FIXME */
1991                 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1992                 info->ModeInformation.Mode = 0;  /* FIXME */
1993                 info->AlignmentInformation.AlignmentRequirement = 1;  /* FIXME */
1994
1995                 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1996                 RtlFreeAnsiString( &unix_name );
1997                 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1998             }
1999         }
2000         break;
2001     case FileMailslotQueryInformation:
2002         {
2003             FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
2004
2005             SERVER_START_REQ( set_mailslot_info )
2006             {
2007                 req->handle = wine_server_obj_handle( hFile );
2008                 req->flags = 0;
2009                 io->u.Status = wine_server_call( req );
2010                 if( io->u.Status == STATUS_SUCCESS )
2011                 {
2012                     info->MaximumMessageSize = reply->max_msgsize;
2013                     info->MailslotQuota = 0;
2014                     info->NextMessageSize = 0;
2015                     info->MessagesAvailable = 0;
2016                     info->ReadTimeout.QuadPart = reply->read_timeout;
2017                 }
2018             }
2019             SERVER_END_REQ;
2020             if (!io->u.Status)
2021             {
2022                 char *tmpbuf;
2023                 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
2024                 if (size > 0x10000) size = 0x10000;
2025                 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2026                 {
2027                     int fd, needs_close;
2028                     if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
2029                     {
2030                         int res = recv( fd, tmpbuf, size, MSG_PEEK );
2031                         info->MessagesAvailable = (res > 0);
2032                         info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
2033                         if (needs_close) close( fd );
2034                     }
2035                     RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
2036                 }
2037             }
2038         }
2039         break;
2040     case FilePipeLocalInformation:
2041         {
2042             FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
2043
2044             SERVER_START_REQ( get_named_pipe_info )
2045             {
2046                 req->handle = wine_server_obj_handle( hFile );
2047                 if (!(io->u.Status = wine_server_call( req )))
2048                 {
2049                     pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
2050                         FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
2051                     switch (reply->sharing)
2052                     {
2053                         case FILE_SHARE_READ:
2054                             pli->NamedPipeConfiguration = FILE_PIPE_OUTBOUND;
2055                             break;
2056                         case FILE_SHARE_WRITE:
2057                             pli->NamedPipeConfiguration = FILE_PIPE_INBOUND;
2058                             break;
2059                         case FILE_SHARE_READ | FILE_SHARE_WRITE:
2060                             pli->NamedPipeConfiguration = FILE_PIPE_FULL_DUPLEX;
2061                             break;
2062                     }
2063                     pli->MaximumInstances = reply->maxinstances;
2064                     pli->CurrentInstances = reply->instances;
2065                     pli->InboundQuota = reply->insize;
2066                     pli->ReadDataAvailable = 0; /* FIXME */
2067                     pli->OutboundQuota = reply->outsize;
2068                     pli->WriteQuotaAvailable = 0; /* FIXME */
2069                     pli->NamedPipeState = 0; /* FIXME */
2070                     pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
2071                         FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
2072                 }
2073             }
2074             SERVER_END_REQ;
2075         }
2076         break;
2077     case FileNameInformation:
2078         {
2079             FILE_NAME_INFORMATION *info = ptr;
2080             ANSI_STRING unix_name;
2081
2082             if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
2083             {
2084                 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
2085                 io->u.Status = fill_name_info( &unix_name, info, &name_len );
2086                 RtlFreeAnsiString( &unix_name );
2087                 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
2088             }
2089         }
2090         break;
2091     default:
2092         FIXME("Unsupported class (%d)\n", class);
2093         io->u.Status = STATUS_NOT_IMPLEMENTED;
2094         break;
2095     }
2096     if (needs_close) close( fd );
2097     if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
2098     return io->u.Status;
2099 }
2100
2101 /******************************************************************************
2102  *  NtSetInformationFile                [NTDLL.@]
2103  *  ZwSetInformationFile                [NTDLL.@]
2104  *
2105  * Set information about an open file handle.
2106  *
2107  * PARAMS
2108  *  handle  [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2109  *  io      [O] Receives information about the operation on return
2110  *  ptr     [I] Source for file information
2111  *  len     [I] Size of FileInformation
2112  *  class   [I] Type of file information to set
2113  *
2114  * RETURNS
2115  *  Success: 0. io is updated.
2116  *  Failure: An NTSTATUS error code describing the error.
2117  */
2118 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
2119                                      PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
2120 {
2121     int fd, needs_close;
2122
2123     TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
2124
2125     io->u.Status = STATUS_SUCCESS;
2126     switch (class)
2127     {
2128     case FileBasicInformation:
2129         if (len >= sizeof(FILE_BASIC_INFORMATION))
2130         {
2131             struct stat st;
2132             const FILE_BASIC_INFORMATION *info = ptr;
2133
2134             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2135                 return io->u.Status;
2136
2137             if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
2138                 io->u.Status = set_file_times( fd, &info->LastWriteTime, &info->LastAccessTime );
2139
2140             if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
2141             {
2142                 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2143                 else
2144                 {
2145                     if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2146                     {
2147                         if (S_ISDIR( st.st_mode))
2148                             WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2149                         else
2150                             st.st_mode &= ~0222; /* clear write permission bits */
2151                     }
2152                     else
2153                     {
2154                         /* add write permission only where we already have read permission */
2155                         st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2156                     }
2157                     if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2158                 }
2159             }
2160
2161             if (needs_close) close( fd );
2162         }
2163         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2164         break;
2165
2166     case FilePositionInformation:
2167         if (len >= sizeof(FILE_POSITION_INFORMATION))
2168         {
2169             const FILE_POSITION_INFORMATION *info = ptr;
2170
2171             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2172                 return io->u.Status;
2173
2174             if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2175                 io->u.Status = FILE_GetNtStatus();
2176
2177             if (needs_close) close( fd );
2178         }
2179         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2180         break;
2181
2182     case FileEndOfFileInformation:
2183         if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2184         {
2185             struct stat st;
2186             const FILE_END_OF_FILE_INFORMATION *info = ptr;
2187
2188             if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2189                 return io->u.Status;
2190
2191             /* first try normal truncate */
2192             if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2193
2194             /* now check for the need to extend the file */
2195             if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2196             {
2197                 static const char zero;
2198
2199                 /* extend the file one byte beyond the requested size and then truncate it */
2200                 /* this should work around ftruncate implementations that can't extend files */
2201                 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2202                     ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2203             }
2204             io->u.Status = FILE_GetNtStatus();
2205
2206             if (needs_close) close( fd );
2207         }
2208         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2209         break;
2210
2211     case FileMailslotSetInformation:
2212         {
2213             FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2214
2215             SERVER_START_REQ( set_mailslot_info )
2216             {
2217                 req->handle = wine_server_obj_handle( handle );
2218                 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2219                 req->read_timeout = info->ReadTimeout.QuadPart;
2220                 io->u.Status = wine_server_call( req );
2221             }
2222             SERVER_END_REQ;
2223         }
2224         break;
2225
2226     case FileCompletionInformation:
2227         if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2228         {
2229             FILE_COMPLETION_INFORMATION *info = ptr;
2230
2231             SERVER_START_REQ( set_completion_info )
2232             {
2233                 req->handle   = wine_server_obj_handle( handle );
2234                 req->chandle  = wine_server_obj_handle( info->CompletionPort );
2235                 req->ckey     = info->CompletionKey;
2236                 io->u.Status  = wine_server_call( req );
2237             }
2238             SERVER_END_REQ;
2239         } else
2240             io->u.Status = STATUS_INVALID_PARAMETER_3;
2241         break;
2242
2243     case FileAllInformation:
2244         io->u.Status = STATUS_INVALID_INFO_CLASS;
2245         break;
2246
2247     case FileValidDataLengthInformation:
2248         if (len >= sizeof(FILE_VALID_DATA_LENGTH_INFORMATION))
2249         {
2250             struct stat st;
2251             const FILE_VALID_DATA_LENGTH_INFORMATION *info = ptr;
2252
2253             if ((io->u.Status = server_get_unix_fd( handle, FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL )))
2254                 return io->u.Status;
2255
2256             if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2257             else if (info->ValidDataLength.QuadPart <= 0 || (off_t)info->ValidDataLength.QuadPart > st.st_size)
2258                 io->u.Status = STATUS_INVALID_PARAMETER;
2259             else
2260             {
2261 #ifdef HAVE_FALLOCATE
2262                 if (fallocate( fd, 0, 0, (off_t)info->ValidDataLength.QuadPart ) == -1)
2263                 {
2264                     NTSTATUS status = FILE_GetNtStatus();
2265                     if (status == STATUS_NOT_SUPPORTED) WARN( "fallocate not supported on this filesystem\n" );
2266                     else io->u.Status = status;
2267                 }
2268 #else
2269                 FIXME( "setting valid data length not supported\n" );
2270 #endif
2271             }
2272             if (needs_close) close( fd );
2273         }
2274         else io->u.Status = STATUS_INVALID_PARAMETER_3;
2275         break;
2276
2277     default:
2278         FIXME("Unsupported class (%d)\n", class);
2279         io->u.Status = STATUS_NOT_IMPLEMENTED;
2280         break;
2281     }
2282     io->Information = 0;
2283     return io->u.Status;
2284 }
2285
2286
2287 /******************************************************************************
2288  *              NtQueryFullAttributesFile   (NTDLL.@)
2289  */
2290 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2291                                            FILE_NETWORK_OPEN_INFORMATION *info )
2292 {
2293     ANSI_STRING unix_name;
2294     NTSTATUS status;
2295
2296     if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2297     {
2298         struct stat st;
2299
2300         if (stat( unix_name.Buffer, &st ) == -1)
2301             status = FILE_GetNtStatus();
2302         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2303             status = STATUS_INVALID_INFO_CLASS;
2304         else
2305         {
2306             FILE_BASIC_INFORMATION basic;
2307             FILE_STANDARD_INFORMATION std;
2308
2309             fill_stat_info( &st, &basic, FileBasicInformation );
2310             fill_stat_info( &st, &std, FileStandardInformation );
2311
2312             info->CreationTime   = basic.CreationTime;
2313             info->LastAccessTime = basic.LastAccessTime;
2314             info->LastWriteTime  = basic.LastWriteTime;
2315             info->ChangeTime     = basic.ChangeTime;
2316             info->AllocationSize = std.AllocationSize;
2317             info->EndOfFile      = std.EndOfFile;
2318             info->FileAttributes = basic.FileAttributes;
2319             if (DIR_is_hidden_file( attr->ObjectName ))
2320                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2321         }
2322         RtlFreeAnsiString( &unix_name );
2323     }
2324     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2325     return status;
2326 }
2327
2328
2329 /******************************************************************************
2330  *              NtQueryAttributesFile   (NTDLL.@)
2331  *              ZwQueryAttributesFile   (NTDLL.@)
2332  */
2333 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2334 {
2335     ANSI_STRING unix_name;
2336     NTSTATUS status;
2337
2338     if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2339     {
2340         struct stat st;
2341
2342         if (stat( unix_name.Buffer, &st ) == -1)
2343             status = FILE_GetNtStatus();
2344         else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2345             status = STATUS_INVALID_INFO_CLASS;
2346         else
2347         {
2348             status = fill_stat_info( &st, info, FileBasicInformation );
2349             if (DIR_is_hidden_file( attr->ObjectName ))
2350                 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2351         }
2352         RtlFreeAnsiString( &unix_name );
2353     }
2354     else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2355     return status;
2356 }
2357
2358
2359 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2360 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2361 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2362                                             unsigned int flags )
2363 {
2364     if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2365     {
2366         info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2367         /* Don't assume read-only, let the mount options set it below */
2368         info->Characteristics |= FILE_REMOVABLE_MEDIA;
2369     }
2370     else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2371              !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2372     {
2373         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2374         info->Characteristics |= FILE_REMOTE_DEVICE;
2375     }
2376     else if (!strcmp("procfs", fstypename))
2377         info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2378     else
2379         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2380
2381     if (flags & MNT_RDONLY)
2382         info->Characteristics |= FILE_READ_ONLY_DEVICE;
2383
2384     if (!(flags & MNT_LOCAL))
2385     {
2386         info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2387         info->Characteristics |= FILE_REMOTE_DEVICE;
2388     }
2389 }
2390 #endif
2391
2392 static inline int is_device_placeholder( int fd )
2393 {
2394     static const char wine_placeholder[] = "Wine device placeholder";
2395     char buffer[sizeof(wine_placeholder)-1];
2396
2397     if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2398         return 0;
2399     return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2400 }
2401
2402 /******************************************************************************
2403  *              get_device_info
2404  *
2405  * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2406  */
2407 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2408 {
2409     struct stat st;
2410
2411     info->Characteristics = 0;
2412     if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2413     if (S_ISCHR( st.st_mode ))
2414     {
2415         info->DeviceType = FILE_DEVICE_UNKNOWN;
2416 #ifdef linux
2417         switch(major(st.st_rdev))
2418         {
2419         case MEM_MAJOR:
2420             info->DeviceType = FILE_DEVICE_NULL;
2421             break;
2422         case TTY_MAJOR:
2423             info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2424             break;
2425         case LP_MAJOR:
2426             info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2427             break;
2428         case SCSI_TAPE_MAJOR:
2429             info->DeviceType = FILE_DEVICE_TAPE;
2430             break;
2431         }
2432 #endif
2433     }
2434     else if (S_ISBLK( st.st_mode ))
2435     {
2436         info->DeviceType = FILE_DEVICE_DISK;
2437     }
2438     else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2439     {
2440         info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2441     }
2442     else if (is_device_placeholder( fd ))
2443     {
2444         info->DeviceType = FILE_DEVICE_DISK;
2445     }
2446     else  /* regular file or directory */
2447     {
2448 #if defined(linux) && defined(HAVE_FSTATFS)
2449         struct statfs stfs;
2450
2451         /* check for floppy disk */
2452         if (major(st.st_dev) == FLOPPY_MAJOR)
2453             info->Characteristics |= FILE_REMOVABLE_MEDIA;
2454
2455         if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2456         switch (stfs.f_type)
2457         {
2458         case 0x9660:      /* iso9660 */
2459         case 0x9fa1:      /* supermount */
2460         case 0x15013346:  /* udf */
2461             info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2462             info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2463             break;
2464         case 0x6969:  /* nfs */
2465         case 0x517B:  /* smbfs */
2466         case 0x564c:  /* ncpfs */
2467             info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2468             info->Characteristics |= FILE_REMOTE_DEVICE;
2469             break;
2470         case 0x01021994:  /* tmpfs */
2471         case 0x28cd3d45:  /* cramfs */
2472         case 0x1373:      /* devfs */
2473         case 0x9fa0:      /* procfs */
2474             info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2475             break;
2476         default:
2477             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2478             break;
2479         }
2480 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2481         struct statfs stfs;
2482
2483         if (fstatfs( fd, &stfs ) < 0)
2484             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2485         else
2486             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2487 #elif defined(__NetBSD__)
2488         struct statvfs stfs;
2489
2490         if (fstatvfs( fd, &stfs) < 0)
2491             info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2492         else
2493             get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2494 #elif defined(sun)
2495         /* Use dkio to work out device types */
2496         {
2497 # include <sys/dkio.h>
2498 # include <sys/vtoc.h>
2499             struct dk_cinfo dkinf;
2500             int retval = ioctl(fd, DKIOCINFO, &dkinf);
2501             if(retval==-1){
2502                 WARN("Unable to get disk device type information - assuming a disk like device\n");
2503                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2504             }
2505             switch (dkinf.dki_ctype)
2506             {
2507             case DKC_CDROM:
2508                 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2509                 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2510                 break;
2511             case DKC_NCRFLOPPY:
2512             case DKC_SMSFLOPPY:
2513             case DKC_INTEL82072:
2514             case DKC_INTEL82077:
2515                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2516                 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2517                 break;
2518             case DKC_MD:
2519                 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2520                 break;
2521             default:
2522                 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2523             }
2524         }
2525 #else
2526         static int warned;
2527         if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2528         info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2529 #endif
2530         info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2531     }
2532     return STATUS_SUCCESS;
2533 }
2534
2535
2536 /******************************************************************************
2537  *  NtQueryVolumeInformationFile                [NTDLL.@]
2538  *  ZwQueryVolumeInformationFile                [NTDLL.@]
2539  *
2540  * Get volume information for an open file handle.
2541  *
2542  * PARAMS
2543  *  handle      [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2544  *  io          [O] Receives information about the operation on return
2545  *  buffer      [O] Destination for volume information
2546  *  length      [I] Size of FsInformation
2547  *  info_class  [I] Type of volume information to set
2548  *
2549  * RETURNS
2550  *  Success: 0. io and buffer are updated.
2551  *  Failure: An NTSTATUS error code describing the error.
2552  */
2553 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2554                                               PVOID buffer, ULONG length,
2555                                               FS_INFORMATION_CLASS info_class )
2556 {
2557     int fd, needs_close;
2558     struct stat st;
2559     static int once;
2560
2561     if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2562         return io->u.Status;
2563
2564     io->u.Status = STATUS_NOT_IMPLEMENTED;
2565     io->Information = 0;
2566
2567     switch( info_class )
2568     {
2569     case FileFsVolumeInformation:
2570         if (!once++) FIXME( "%p: volume info not supported\n", handle );
2571         break;
2572     case FileFsLabelInformation:
2573         FIXME( "%p: label info not supported\n", handle );
2574         break;
2575     case FileFsSizeInformation:
2576         if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2577             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2578         else
2579         {
2580             FILE_FS_SIZE_INFORMATION *info = buffer;
2581
2582             if (fstat( fd, &st ) < 0)
2583             {
2584                 io->u.Status = FILE_GetNtStatus();
2585                 break;
2586             }
2587             if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2588             {
2589                 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2590             }
2591             else
2592             {
2593                 ULONGLONG bsize;
2594                 /* Linux's fstatvfs is buggy */
2595 #if !defined(linux) || !defined(HAVE_FSTATFS)
2596                 struct statvfs stfs;
2597
2598                 if (fstatvfs( fd, &stfs ) < 0)
2599                 {
2600                     io->u.Status = FILE_GetNtStatus();
2601                     break;
2602                 }
2603                 bsize = stfs.f_frsize;
2604 #else
2605                 struct statfs stfs;
2606                 if (fstatfs( fd, &stfs ) < 0)
2607                 {
2608                     io->u.Status = FILE_GetNtStatus();
2609                     break;
2610                 }
2611                 bsize = stfs.f_bsize;
2612 #endif
2613                 if (bsize == 2048)  /* assume CD-ROM */
2614                 {
2615                     info->BytesPerSector = 2048;
2616                     info->SectorsPerAllocationUnit = 1;
2617                 }
2618                 else
2619                 {
2620                     info->BytesPerSector = 512;
2621                     info->SectorsPerAllocationUnit = 8;
2622                 }
2623                 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2624                 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2625                 io->Information = sizeof(*info);
2626                 io->u.Status = STATUS_SUCCESS;
2627             }
2628         }
2629         break;
2630     case FileFsDeviceInformation:
2631         if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2632             io->u.Status = STATUS_BUFFER_TOO_SMALL;
2633         else
2634         {
2635             FILE_FS_DEVICE_INFORMATION *info = buffer;
2636
2637             if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2638                 io->Information = sizeof(*info);
2639         }
2640         break;
2641     case FileFsAttributeInformation:
2642         FIXME( "%p: attribute info not supported\n", handle );
2643         break;
2644     case FileFsControlInformation:
2645         FIXME( "%p: control info not supported\n", handle );
2646         break;
2647     case FileFsFullSizeInformation:
2648         FIXME( "%p: full size info not supported\n", handle );
2649         break;
2650     case FileFsObjectIdInformation:
2651         FIXME( "%p: object id info not supported\n", handle );
2652         break;
2653     case FileFsMaximumInformation:
2654         FIXME( "%p: maximum info not supported\n", handle );
2655         break;
2656     default:
2657         io->u.Status = STATUS_INVALID_PARAMETER;
2658         break;
2659     }
2660     if (needs_close) close( fd );
2661     return io->u.Status;
2662 }
2663
2664
2665 /******************************************************************
2666  *              NtQueryEaFile  (NTDLL.@)
2667  *
2668  * Read extended attributes from NTFS files.
2669  *
2670  * PARAMS
2671  *  hFile         [I] File handle, must be opened with FILE_READ_EA access
2672  *  iosb          [O] Receives information about the operation on return
2673  *  buffer        [O] Output buffer
2674  *  length        [I] Length of output buffer
2675  *  single_entry  [I] Only read and return one entry
2676  *  ea_list       [I] Optional list with names of EAs to return
2677  *  ea_list_len   [I] Length of ea_list in bytes
2678  *  ea_index      [I] Optional pointer to 1-based index of attribute to return
2679  *  restart       [I] restart EA scan
2680  *
2681  * RETURNS
2682  *  Success: 0. Atrributes read into buffer
2683  *  Failure: An NTSTATUS error code describing the error.
2684  */
2685 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2686                                BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2687                                PULONG ea_index, BOOLEAN restart )
2688 {
2689     FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2690             hFile, iosb, buffer, length, single_entry, ea_list,
2691             ea_list_len, ea_index, restart);
2692     return STATUS_ACCESS_DENIED;
2693 }
2694
2695
2696 /******************************************************************
2697  *              NtSetEaFile  (NTDLL.@)
2698  *
2699  * Update extended attributes for NTFS files.
2700  *
2701  * PARAMS
2702  *  hFile         [I] File handle, must be opened with FILE_READ_EA access
2703  *  iosb          [O] Receives information about the operation on return
2704  *  buffer        [I] Buffer with EA information
2705  *  length        [I] Length of buffer
2706  *
2707  * RETURNS
2708  *  Success: 0. Attributes are updated
2709  *  Failure: An NTSTATUS error code describing the error.
2710  */
2711 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2712 {
2713     FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2714     return STATUS_ACCESS_DENIED;
2715 }
2716
2717
2718 /******************************************************************
2719  *              NtFlushBuffersFile  (NTDLL.@)
2720  *
2721  * Flush any buffered data on an open file handle.
2722  *
2723  * PARAMS
2724  *  FileHandle         [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2725  *  IoStatusBlock      [O] Receives information about the operation on return
2726  *
2727  * RETURNS
2728  *  Success: 0. IoStatusBlock is updated.
2729  *  Failure: An NTSTATUS error code describing the error.
2730  */
2731 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2732 {
2733     NTSTATUS ret;
2734     HANDLE hEvent = NULL;
2735
2736     SERVER_START_REQ( flush_file )
2737     {
2738         req->handle = wine_server_obj_handle( hFile );
2739         ret = wine_server_call( req );
2740         hEvent = wine_server_ptr_handle( reply->event );
2741     }
2742     SERVER_END_REQ;
2743     if (!ret && hEvent)
2744     {
2745         ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2746         NtClose( hEvent );
2747     }
2748     return ret;
2749 }
2750
2751 /******************************************************************
2752  *              NtLockFile       (NTDLL.@)
2753  *
2754  *
2755  */
2756 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2757                             PIO_APC_ROUTINE apc, void* apc_user,
2758                             PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2759                             PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2760                             BOOLEAN exclusive )
2761 {
2762     NTSTATUS    ret;
2763     HANDLE      handle;
2764     BOOLEAN     async;
2765     static BOOLEAN     warn = TRUE;
2766
2767     if (apc || io_status || key)
2768     {
2769         FIXME("Unimplemented yet parameter\n");
2770         return STATUS_NOT_IMPLEMENTED;
2771     }
2772
2773     if (apc_user && warn)
2774     {
2775         FIXME("I/O completion on lock not implemented yet\n");
2776         warn = FALSE;
2777     }
2778
2779     for (;;)
2780     {
2781         SERVER_START_REQ( lock_file )
2782         {
2783             req->handle      = wine_server_obj_handle( hFile );
2784             req->offset      = offset->QuadPart;
2785             req->count       = count->QuadPart;
2786             req->shared      = !exclusive;
2787             req->wait        = !dont_wait;
2788             ret = wine_server_call( req );
2789             handle = wine_server_ptr_handle( reply->handle );
2790             async  = reply->overlapped;
2791         }
2792         SERVER_END_REQ;
2793         if (ret != STATUS_PENDING)
2794         {
2795             if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2796             return ret;
2797         }
2798
2799         if (async)
2800         {
2801             FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2802             if (handle) NtClose( handle );
2803             return STATUS_PENDING;
2804         }
2805         if (handle)
2806         {
2807             NtWaitForSingleObject( handle, FALSE, NULL );
2808             NtClose( handle );
2809         }
2810         else
2811         {
2812             LARGE_INTEGER time;
2813
2814             /* Unix lock conflict, sleep a bit and retry */
2815             time.QuadPart = 100 * (ULONGLONG)10000;
2816             time.QuadPart = -time.QuadPart;
2817             NtDelayExecution( FALSE, &time );
2818         }
2819     }
2820 }
2821
2822
2823 /******************************************************************
2824  *              NtUnlockFile    (NTDLL.@)
2825  *
2826  *
2827  */
2828 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2829                               PLARGE_INTEGER offset, PLARGE_INTEGER count,
2830                               PULONG key )
2831 {
2832     NTSTATUS status;
2833
2834     TRACE( "%p %x%08x %x%08x\n",
2835            hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2836
2837     if (io_status || key)
2838     {
2839         FIXME("Unimplemented yet parameter\n");
2840         return STATUS_NOT_IMPLEMENTED;
2841     }
2842
2843     SERVER_START_REQ( unlock_file )
2844     {
2845         req->handle = wine_server_obj_handle( hFile );
2846         req->offset = offset->QuadPart;
2847         req->count  = count->QuadPart;
2848         status = wine_server_call( req );
2849     }
2850     SERVER_END_REQ;
2851     return status;
2852 }
2853
2854 /******************************************************************
2855  *              NtCreateNamedPipeFile    (NTDLL.@)
2856  *
2857  *
2858  */
2859 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2860                                        POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2861                                        ULONG sharing, ULONG dispo, ULONG options,
2862                                        ULONG pipe_type, ULONG read_mode,
2863                                        ULONG completion_mode, ULONG max_inst,
2864                                        ULONG inbound_quota, ULONG outbound_quota,
2865                                        PLARGE_INTEGER timeout)
2866 {
2867     NTSTATUS    status;
2868
2869     TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2870           handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2871           options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2872           outbound_quota, timeout);
2873
2874     /* assume we only get relative timeout */
2875     if (timeout->QuadPart > 0)
2876         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2877
2878     SERVER_START_REQ( create_named_pipe )
2879     {
2880         req->access  = access;
2881         req->attributes = attr->Attributes;
2882         req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2883         req->options = options;
2884         req->sharing = sharing;
2885         req->flags =
2886             (pipe_type ? NAMED_PIPE_MESSAGE_STREAM_WRITE   : 0) |
2887             (read_mode ? NAMED_PIPE_MESSAGE_STREAM_READ    : 0) |
2888             (completion_mode ? NAMED_PIPE_NONBLOCKING_MODE : 0);
2889         req->maxinstances = max_inst;
2890         req->outsize = outbound_quota;
2891         req->insize  = inbound_quota;
2892         req->timeout = timeout->QuadPart;
2893         wine_server_add_data( req, attr->ObjectName->Buffer,
2894                               attr->ObjectName->Length );
2895         status = wine_server_call( req );
2896         if (!status) *handle = wine_server_ptr_handle( reply->handle );
2897     }
2898     SERVER_END_REQ;
2899     return status;
2900 }
2901
2902 /******************************************************************
2903  *              NtDeleteFile    (NTDLL.@)
2904  *
2905  *
2906  */
2907 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2908 {
2909     NTSTATUS status;
2910     HANDLE hFile;
2911     IO_STATUS_BLOCK io;
2912
2913     TRACE("%p\n", ObjectAttributes);
2914     status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2915                            ObjectAttributes, &io, NULL, 0,
2916                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2917                            FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2918     if (status == STATUS_SUCCESS) status = NtClose(hFile);
2919     return status;
2920 }
2921
2922 /******************************************************************
2923  *              NtCancelIoFileEx    (NTDLL.@)
2924  *
2925  *
2926  */
2927 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2928 {
2929     LARGE_INTEGER timeout;
2930
2931     TRACE("%p %p %p\n", hFile, iosb, io_status );
2932
2933     SERVER_START_REQ( cancel_async )
2934     {
2935         req->handle      = wine_server_obj_handle( hFile );
2936         req->iosb        = wine_server_client_ptr( iosb );
2937         req->only_thread = FALSE;
2938         io_status->u.Status = wine_server_call( req );
2939     }
2940     SERVER_END_REQ;
2941     if (io_status->u.Status)
2942         return io_status->u.Status;
2943
2944     /* Let some APC be run, so that we can run the remaining APCs on hFile
2945      * either the cancelation of the pending one, but also the execution
2946      * of the queued APC, but not yet run. This is needed to ensure proper
2947      * clean-up of allocated data.
2948      */
2949     timeout.QuadPart = 0;
2950     NtDelayExecution( TRUE, &timeout );
2951     return io_status->u.Status;
2952 }
2953
2954 /******************************************************************
2955  *              NtCancelIoFile    (NTDLL.@)
2956  *
2957  *
2958  */
2959 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2960 {
2961     LARGE_INTEGER timeout;
2962
2963     TRACE("%p %p\n", hFile, io_status );
2964
2965     SERVER_START_REQ( cancel_async )
2966     {
2967         req->handle      = wine_server_obj_handle( hFile );
2968         req->iosb        = 0;
2969         req->only_thread = TRUE;
2970         io_status->u.Status = wine_server_call( req );
2971     }
2972     SERVER_END_REQ;
2973     if (io_status->u.Status)
2974         return io_status->u.Status;
2975
2976     /* Let some APC be run, so that we can run the remaining APCs on hFile
2977      * either the cancelation of the pending one, but also the execution
2978      * of the queued APC, but not yet run. This is needed to ensure proper
2979      * clean-up of allocated data.
2980      */
2981     timeout.QuadPart = 0;
2982     NtDelayExecution( TRUE, &timeout );
2983     return io_status->u.Status;
2984 }
2985
2986 /******************************************************************************
2987  *  NtCreateMailslotFile        [NTDLL.@]
2988  *  ZwCreateMailslotFile        [NTDLL.@]
2989  *
2990  * PARAMS
2991  *  pHandle          [O] pointer to receive the handle created
2992  *  DesiredAccess    [I] access mode (read, write, etc)
2993  *  ObjectAttributes [I] fully qualified NT path of the mailslot
2994  *  IoStatusBlock    [O] receives completion status and other info
2995  *  CreateOptions    [I]
2996  *  MailslotQuota    [I]
2997  *  MaxMessageSize   [I]
2998  *  TimeOut          [I]
2999  *
3000  * RETURNS
3001  *  An NT status code
3002  */
3003 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
3004      POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
3005      ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
3006      PLARGE_INTEGER TimeOut)
3007 {
3008     LARGE_INTEGER timeout;
3009     NTSTATUS ret;
3010
3011     TRACE("%p %08x %p %p %08x %08x %08x %p\n",
3012               pHandle, DesiredAccess, attr, IoStatusBlock,
3013               CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
3014
3015     if (!pHandle) return STATUS_ACCESS_VIOLATION;
3016     if (!attr) return STATUS_INVALID_PARAMETER;
3017     if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
3018
3019     /*
3020      *  For a NULL TimeOut pointer set the default timeout value
3021      */
3022     if  (!TimeOut)
3023         timeout.QuadPart = -1;
3024     else
3025         timeout.QuadPart = TimeOut->QuadPart;
3026
3027     SERVER_START_REQ( create_mailslot )
3028     {
3029         req->access = DesiredAccess;
3030         req->attributes = attr->Attributes;
3031         req->rootdir = wine_server_obj_handle( attr->RootDirectory );
3032         req->max_msgsize = MaxMessageSize;
3033         req->read_timeout = timeout.QuadPart;
3034         wine_server_add_data( req, attr->ObjectName->Buffer,
3035                               attr->ObjectName->Length );
3036         ret = wine_server_call( req );
3037         if( ret == STATUS_SUCCESS )
3038             *pHandle = wine_server_ptr_handle( reply->handle );
3039     }
3040     SERVER_END_REQ;
3041
3042     return ret;
3043 }