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Convert a WARN to a FIXME to make it visible to a user, replace an ERR
[wine/multimedia.git] / dlls / ntdll / file.c
blob4c0da1a1152c3ca4b32cd521bfd602ec7ff390dd
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_UTIME_H
46 # include <utime.h>
47 #endif
48 #ifdef STATFS_DEFINED_BY_SYS_VFS
49 # include <sys/vfs.h>
50 #else
51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
52 # include <sys/mount.h>
53 # else
54 # ifdef STATFS_DEFINED_BY_SYS_STATFS
55 # include <sys/statfs.h>
56 # endif
57 # endif
58 #endif
59
60 #ifdef HAVE_IOKIT_IOKITLIB_H
61 # include <IOKit/IOKitLib.h>
62 # include <CoreFoundation/CFNumber.h> /* for kCFBooleanTrue, kCFBooleanFalse */
63 # include <paths.h>
64 #endif
65
66 #define NONAMELESSUNION
67 #define NONAMELESSSTRUCT
68 #include "wine/unicode.h"
69 #include "wine/debug.h"
70 #include "thread.h"
71 #include "wine/server.h"
72 #include "ntdll_misc.h"
73
74 #include "winternl.h"
75 #include "winioctl.h"
76
77 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
78
79 mode_t FILE_umask = 0;
80
81 #define SECSPERDAY 86400
82 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
83
84 /**************************************************************************
85 * NtOpenFile [NTDLL.@]
86 * ZwOpenFile [NTDLL.@]
87 *
88 * Open a file.
89 *
90 * PARAMS
91 * handle [O] Variable that receives the file handle on return
92 * access [I] Access desired by the caller to the file
93 * attr [I] Structure describing the file to be opened
94 * io [O] Receives details about the result of the operation
95 * sharing [I] Type of shared access the caller requires
96 * options [I] Options for the file open
97 *
98 * RETURNS
99 * Success: 0. FileHandle and IoStatusBlock are updated.
100 * Failure: An NTSTATUS error code describing the error.
101 */
102 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
103 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
104 ULONG sharing, ULONG options )
105 {
106 return NtCreateFile( handle, access, attr, io, NULL, 0,
107 sharing, FILE_OPEN, options, NULL, 0 );
108 }
109
110 /**************************************************************************
111 * NtCreateFile [NTDLL.@]
112 * ZwCreateFile [NTDLL.@]
113 *
114 * Either create a new file or directory, or open an existing file, device,
115 * directory or volume.
116 *
117 * PARAMS
118 * handle [O] Points to a variable which receives the file handle on return
119 * access [I] Desired access to the file
120 * attr [I] Structure describing the file
121 * io [O] Receives information about the operation on return
122 * alloc_size [I] Initial size of the file in bytes
123 * attributes [I] Attributes to create the file with
124 * sharing [I] Type of shared access the caller would like to the file
125 * disposition [I] Specifies what to do, depending on whether the file already exists
126 * options [I] Options for creating a new file
127 * ea_buffer [I] Pointer to an extended attributes buffer
128 * ea_length [I] Length of ea_buffer
129 *
130 * RETURNS
131 * Success: 0. handle and io are updated.
132 * Failure: An NTSTATUS error code describing the error.
133 */
134 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
135 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
136 ULONG attributes, ULONG sharing, ULONG disposition,
137 ULONG options, PVOID ea_buffer, ULONG ea_length )
138 {
139 static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
140 static const WCHAR mailslotW[] = {'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
141 ANSI_STRING unix_name;
142 int created = FALSE;
143
144 TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
145 "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
146 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
147 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
148 attributes, sharing, disposition, options, ea_buffer, ea_length );
149
150 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
151
152 if (attr->RootDirectory)
153 {
154 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
155 return STATUS_OBJECT_NAME_NOT_FOUND;
156 }
157 if (alloc_size) FIXME( "alloc_size not supported\n" );
158
159 /* check for named pipe */
160
161 if (attr->ObjectName->Length > sizeof(pipeW) &&
162 !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
163 {
164 SERVER_START_REQ( open_named_pipe )
165 {
166 req->access = access;
167 req->flags = options;
168 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
169 wine_server_add_data( req, attr->ObjectName->Buffer + 4,
170 attr->ObjectName->Length - 4*sizeof(WCHAR) );
171 io->u.Status = wine_server_call( req );
172 *handle = reply->handle;
173 }
174 SERVER_END_REQ;
175 return io->u.Status;
176 }
177
178 /* check for mailslot */
179
180 if (attr->ObjectName->Length > sizeof(mailslotW) &&
181 !memicmpW( attr->ObjectName->Buffer, mailslotW, sizeof(mailslotW)/sizeof(WCHAR) ))
182 {
183 SERVER_START_REQ( open_mailslot )
184 {
185 req->access = access & GENERIC_WRITE;
186 req->sharing = sharing;
187 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
188 wine_server_add_data( req, attr->ObjectName->Buffer + 4,
189 attr->ObjectName->Length - 4*sizeof(WCHAR) );
190 io->u.Status = wine_server_call( req );
191 *handle = reply->handle;
192 }
193 SERVER_END_REQ;
194 return io->u.Status;
195 }
196
197 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
198 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
199
200 if (io->u.Status == STATUS_NO_SUCH_FILE &&
201 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
202 {
203 created = TRUE;
204 io->u.Status = STATUS_SUCCESS;
205 }
206
207 if (io->u.Status == STATUS_SUCCESS)
208 {
209 SERVER_START_REQ( create_file )
210 {
211 req->access = access;
212 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
213 req->sharing = sharing;
214 req->create = disposition;
215 req->options = options;
216 req->attrs = attributes;
217 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
218 io->u.Status = wine_server_call( req );
219 *handle = reply->handle;
220 }
221 SERVER_END_REQ;
222 RtlFreeAnsiString( &unix_name );
223 }
224 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
225
226 if (io->u.Status == STATUS_SUCCESS)
227 {
228 if (created) io->Information = FILE_CREATED;
229 else switch(disposition)
230 {
231 case FILE_SUPERSEDE:
232 io->Information = FILE_SUPERSEDED;
233 break;
234 case FILE_CREATE:
235 io->Information = FILE_CREATED;
236 break;
237 case FILE_OPEN:
238 case FILE_OPEN_IF:
239 io->Information = FILE_OPENED;
240 break;
241 case FILE_OVERWRITE:
242 case FILE_OVERWRITE_IF:
243 io->Information = FILE_OVERWRITTEN;
244 break;
245 }
246 }
247
248 return io->u.Status;
249 }
250
251 /***********************************************************************
252 * Asynchronous file I/O *
253 */
254 static void WINAPI FILE_AsyncReadService(void*, PIO_STATUS_BLOCK, ULONG);
255 static void WINAPI FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK, ULONG);
256
257 typedef struct async_fileio
258 {
259 HANDLE handle;
260 PIO_APC_ROUTINE apc;
261 void* apc_user;
262 char* buffer;
263 unsigned int count;
264 off_t offset;
265 int queue_apc_on_error;
266 BOOL avail_mode;
267 int fd;
268 HANDLE event;
269 } async_fileio;
270
271 static void fileio_terminate(async_fileio *fileio, IO_STATUS_BLOCK* iosb)
272 {
273 TRACE("data: %p\n", fileio);
274
275 wine_server_release_fd( fileio->handle, fileio->fd );
276 if ( fileio->event != INVALID_HANDLE_VALUE )
277 NtSetEvent( fileio->event, NULL );
278
279 if (fileio->apc &&
280 (iosb->u.Status == STATUS_SUCCESS || fileio->queue_apc_on_error))
281 fileio->apc( fileio->apc_user, iosb, iosb->Information );
282
283 RtlFreeHeap( GetProcessHeap(), 0, fileio );
284 }
285
286
287 static ULONG fileio_queue_async(async_fileio* fileio, IO_STATUS_BLOCK* iosb,
288 BOOL do_read)
289 {
290 PIO_APC_ROUTINE apc = do_read ? FILE_AsyncReadService : FILE_AsyncWriteService;
291 NTSTATUS status;
292
293 SERVER_START_REQ( register_async )
294 {
295 req->handle = fileio->handle;
296 req->io_apc = apc;
297 req->io_sb = iosb;
298 req->io_user = fileio;
299 req->type = do_read ? ASYNC_TYPE_READ : ASYNC_TYPE_WRITE;
300 req->count = (fileio->count < iosb->Information) ?
301 0 : fileio->count - iosb->Information;
302 status = wine_server_call( req );
303 }
304 SERVER_END_REQ;
305
306 if ( status ) iosb->u.Status = status;
307 if ( iosb->u.Status != STATUS_PENDING )
308 {
309 (apc)( fileio, iosb, iosb->u.Status );
310 return iosb->u.Status;
311 }
312 NtCurrentTeb()->num_async_io++;
313 return STATUS_SUCCESS;
314 }
315
316 /***********************************************************************
317 * FILE_GetNtStatus(void)
318 *
319 * Retrieve the Nt Status code from errno.
320 * Try to be consistent with FILE_SetDosError().
321 */
322 NTSTATUS FILE_GetNtStatus(void)
323 {
324 int err = errno;
325
326 TRACE( "errno = %d\n", errno );
327 switch (err)
328 {
329 case EAGAIN: return STATUS_SHARING_VIOLATION;
330 case EBADF: return STATUS_INVALID_HANDLE;
331 case ENOSPC: return STATUS_DISK_FULL;
332 case EPERM:
333 case EROFS:
334 case EACCES: return STATUS_ACCESS_DENIED;
335 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
336 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
337 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
338 case EMFILE:
339 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
340 case EINVAL: return STATUS_INVALID_PARAMETER;
341 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
342 case EPIPE: return STATUS_PIPE_BROKEN;
343 case EIO: return STATUS_DEVICE_NOT_READY;
344 #ifdef ENOMEDIUM
345 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
346 #endif
347 case ENOTTY:
348 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
349 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
350 case ENOEXEC: /* ?? */
351 case ESPIPE: /* ?? */
352 case EEXIST: /* ?? */
353 default:
354 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
355 return STATUS_UNSUCCESSFUL;
356 }
357 }
358
359 /***********************************************************************
360 * FILE_AsyncReadService (INTERNAL)
361 *
362 * This function is called while the client is waiting on the
363 * server, so we can't make any server calls here.
364 */
365 static void WINAPI FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
366 {
367 async_fileio *fileio = (async_fileio*)user;
368 int result;
369 int already = iosb->Information;
370
371 TRACE("%p %p 0x%lx\n", iosb, fileio->buffer, status);
372
373 switch (status)
374 {
375 case STATUS_ALERTED: /* got some new data */
376 if (iosb->u.Status != STATUS_PENDING) FIXME("unexpected status %08lx\n", iosb->u.Status);
377 /* check to see if the data is ready (non-blocking) */
378 if ( fileio->avail_mode )
379 result = read(fileio->fd, &fileio->buffer[already],
380 fileio->count - already);
381 else
382 {
383 result = pread(fileio->fd, &fileio->buffer[already],
384 fileio->count - already,
385 fileio->offset + already);
386 if ((result < 0) && (errno == ESPIPE))
387 result = read(fileio->fd, &fileio->buffer[already],
388 fileio->count - already);
389 }
390
391 if (result < 0)
392 {
393 if (errno == EAGAIN || errno == EINTR)
394 {
395 TRACE("Deferred read %d\n", errno);
396 iosb->u.Status = STATUS_PENDING;
397 }
398 else /* check to see if the transfer is complete */
399 iosb->u.Status = FILE_GetNtStatus();
400 }
401 else if (result == 0)
402 {
403 iosb->u.Status = iosb->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
404 }
405 else
406 {
407 iosb->Information += result;
408 if (iosb->Information >= fileio->count || fileio->avail_mode)
409 iosb->u.Status = STATUS_SUCCESS;
410 else
411 {
412 /* if we only have to read the available data, and none is available,
413 * simply cancel the request. If data was available, it has been read
414 * while in by previous call (NtDelayExecution)
415 */
416 iosb->u.Status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
417 }
418
419 TRACE("read %d more bytes %ld/%d so far (%s)\n",
420 result, iosb->Information, fileio->count,
421 (iosb->u.Status == STATUS_SUCCESS) ? "success" : "pending");
422 }
423 /* queue another async operation ? */
424 if (iosb->u.Status == STATUS_PENDING)
425 fileio_queue_async(fileio, iosb, TRUE);
426 else
427 fileio_terminate(fileio, iosb);
428 break;
429 default:
430 iosb->u.Status = status;
431 fileio_terminate(fileio, iosb);
432 break;
433 }
434 }
435
436
437 /******************************************************************************
438 * NtReadFile [NTDLL.@]
439 * ZwReadFile [NTDLL.@]
440 *
441 * Read from an open file handle.
442 *
443 * PARAMS
444 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
445 * Event [I] Event to signal upon completion (or NULL)
446 * ApcRoutine [I] Callback to call upon completion (or NULL)
447 * ApcContext [I] Context for ApcRoutine (or NULL)
448 * IoStatusBlock [O] Receives information about the operation on return
449 * Buffer [O] Destination for the data read
450 * Length [I] Size of Buffer
451 * ByteOffset [O] Destination for the new file pointer position (or NULL)
452 * Key [O] Function unknown (may be NULL)
453 *
454 * RETURNS
455 * Success: 0. IoStatusBlock is updated, and the Information member contains
456 * The number of bytes read.
457 * Failure: An NTSTATUS error code describing the error.
458 */
459 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
460 PIO_APC_ROUTINE apc, void* apc_user,
461 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
462 PLARGE_INTEGER offset, PULONG key)
463 {
464 int unix_handle, flags;
465
466 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
467 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
468
469 if (!io_status) return STATUS_ACCESS_VIOLATION;
470
471 io_status->Information = 0;
472 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &flags );
473 if (io_status->u.Status) return io_status->u.Status;
474
475 if (flags & FD_FLAG_RECV_SHUTDOWN)
476 {
477 wine_server_release_fd( hFile, unix_handle );
478 return STATUS_PIPE_DISCONNECTED;
479 }
480
481 if (flags & FD_FLAG_TIMEOUT)
482 {
483 if (hEvent)
484 {
485 /* this shouldn't happen, but check it */
486 FIXME("NIY-hEvent\n");
487 wine_server_release_fd( hFile, unix_handle );
488 return STATUS_NOT_IMPLEMENTED;
489 }
490 io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
491 if (io_status->u.Status)
492 {
493 wine_server_release_fd( hFile, unix_handle );
494 return io_status->u.Status;
495 }
496 }
497
498 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
499 {
500 async_fileio* fileio;
501 NTSTATUS ret;
502
503 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
504 {
505 wine_server_release_fd( hFile, unix_handle );
506 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
507 return STATUS_NO_MEMORY;
508 }
509 fileio->handle = hFile;
510 fileio->count = length;
511 if ( offset == NULL )
512 fileio->offset = 0;
513 else
514 {
515 fileio->offset = offset->QuadPart;
516 if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
517 FIXME("High part of offset is lost\n");
518 }
519 fileio->apc = apc;
520 fileio->apc_user = apc_user;
521 fileio->buffer = buffer;
522 fileio->queue_apc_on_error = 0;
523 fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
524 fileio->fd = unix_handle; /* FIXME */
525 fileio->event = hEvent;
526 NtResetEvent(hEvent, NULL);
527
528 io_status->u.Status = STATUS_PENDING;
529 ret = fileio_queue_async(fileio, io_status, TRUE);
530 if (ret != STATUS_SUCCESS)
531 {
532 wine_server_release_fd( hFile, unix_handle );
533 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
534 return ret;
535 }
536 if (flags & FD_FLAG_TIMEOUT)
537 {
538 do
539 {
540 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
541 }
542 while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
543 NtClose(hEvent);
544 if (ret != STATUS_USER_APC)
545 fileio->queue_apc_on_error = 1;
546 }
547 else
548 {
549 LARGE_INTEGER timeout;
550
551 /* let some APC be run, this will read some already pending data */
552 timeout.u.LowPart = timeout.u.HighPart = 0;
553 ret = NtDelayExecution( TRUE, &timeout );
554 /* the apc didn't run and therefore the completion routine now
555 * needs to be sent errors.
556 * Note that there is no race between setting this flag and
557 * returning errors because apc's are run only during alertable
558 * waits */
559 if (ret != STATUS_USER_APC)
560 fileio->queue_apc_on_error = 1;
561 }
562 TRACE("= 0x%08lx\n", io_status->u.Status);
563 return io_status->u.Status;
564 }
565
566 if (offset)
567 {
568 FILE_POSITION_INFORMATION fpi;
569
570 fpi.CurrentByteOffset = *offset;
571 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
572 FilePositionInformation);
573 if (io_status->u.Status)
574 {
575 wine_server_release_fd( hFile, unix_handle );
576 return io_status->u.Status;
577 }
578 }
579 /* code for synchronous reads */
580 while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
581 {
582 if ((errno == EAGAIN) || (errno == EINTR)) continue;
583 if (errno == EFAULT)
584 {
585 io_status->Information = 0;
586 io_status->u.Status = STATUS_ACCESS_VIOLATION;
587 }
588 else io_status->u.Status = FILE_GetNtStatus();
589 break;
590 }
591 wine_server_release_fd( hFile, unix_handle );
592 TRACE("= 0x%08lx\n", io_status->u.Status);
593 return io_status->u.Status;
594 }
595
596 /***********************************************************************
597 * FILE_AsyncWriteService (INTERNAL)
598 *
599 * This function is called while the client is waiting on the
600 * server, so we can't make any server calls here.
601 */
602 static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
603 {
604 async_fileio *fileio = (async_fileio *) ovp;
605 int result;
606 int already = iosb->Information;
607
608 TRACE("(%p %p 0x%lx)\n",iosb, fileio->buffer, status);
609
610 switch (status)
611 {
612 case STATUS_ALERTED:
613 /* write some data (non-blocking) */
614 if ( fileio->avail_mode )
615 result = write(fileio->fd, &fileio->buffer[already],
616 fileio->count - already);
617 else
618 {
619 result = pwrite(fileio->fd, &fileio->buffer[already],
620 fileio->count - already, fileio->offset + already);
621 if ((result < 0) && (errno == ESPIPE))
622 result = write(fileio->fd, &fileio->buffer[already],
623 fileio->count - already);
624 }
625
626 if (result < 0)
627 {
628 if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
629 else iosb->u.Status = FILE_GetNtStatus();
630 }
631 else
632 {
633 iosb->Information += result;
634 iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
635 TRACE("wrote %d more bytes %ld/%d so far\n",
636 result, iosb->Information, fileio->count);
637 }
638 if (iosb->u.Status == STATUS_PENDING)
639 fileio_queue_async(fileio, iosb, FALSE);
640 else
641 fileio_terminate(fileio, iosb);
642 break;
643 default:
644 iosb->u.Status = status;
645 fileio_terminate(fileio, iosb);
646 break;
647 }
648 }
649
650 /******************************************************************************
651 * NtWriteFile [NTDLL.@]
652 * ZwWriteFile [NTDLL.@]
653 *
654 * Write to an open file handle.
655 *
656 * PARAMS
657 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
658 * Event [I] Event to signal upon completion (or NULL)
659 * ApcRoutine [I] Callback to call upon completion (or NULL)
660 * ApcContext [I] Context for ApcRoutine (or NULL)
661 * IoStatusBlock [O] Receives information about the operation on return
662 * Buffer [I] Source for the data to write
663 * Length [I] Size of Buffer
664 * ByteOffset [O] Destination for the new file pointer position (or NULL)
665 * Key [O] Function unknown (may be NULL)
666 *
667 * RETURNS
668 * Success: 0. IoStatusBlock is updated, and the Information member contains
669 * The number of bytes written.
670 * Failure: An NTSTATUS error code describing the error.
671 */
672 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
673 PIO_APC_ROUTINE apc, void* apc_user,
674 PIO_STATUS_BLOCK io_status,
675 const void* buffer, ULONG length,
676 PLARGE_INTEGER offset, PULONG key)
677 {
678 int unix_handle, flags;
679
680 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
681 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
682
683 if (!io_status) return STATUS_ACCESS_VIOLATION;
684
685 io_status->Information = 0;
686 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
687 if (io_status->u.Status) return io_status->u.Status;
688
689 if (flags & FD_FLAG_SEND_SHUTDOWN)
690 {
691 wine_server_release_fd( hFile, unix_handle );
692 return STATUS_PIPE_DISCONNECTED;
693 }
694
695 if (flags & FD_FLAG_TIMEOUT)
696 {
697 if (hEvent)
698 {
699 /* this shouldn't happen, but check it */
700 FIXME("NIY-hEvent\n");
701 wine_server_release_fd( hFile, unix_handle );
702 return STATUS_NOT_IMPLEMENTED;
703 }
704 io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
705 if (io_status->u.Status)
706 {
707 wine_server_release_fd( hFile, unix_handle );
708 return io_status->u.Status;
709 }
710 }
711
712 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
713 {
714 async_fileio* fileio;
715 NTSTATUS ret;
716
717 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
718 {
719 wine_server_release_fd( hFile, unix_handle );
720 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
721 return STATUS_NO_MEMORY;
722 }
723 fileio->handle = hFile;
724 fileio->count = length;
725 if (offset)
726 {
727 fileio->offset = offset->QuadPart;
728 if (offset->u.HighPart && fileio->offset == offset->u.LowPart)
729 FIXME("High part of offset is lost\n");
730 }
731 else
732 {
733 fileio->offset = 0;
734 }
735 fileio->apc = apc;
736 fileio->apc_user = apc_user;
737 fileio->buffer = (void*)buffer;
738 fileio->queue_apc_on_error = 0;
739 fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
740 fileio->fd = unix_handle; /* FIXME */
741 fileio->event = hEvent;
742 NtResetEvent(hEvent, NULL);
743
744 io_status->Information = 0;
745 io_status->u.Status = STATUS_PENDING;
746 ret = fileio_queue_async(fileio, io_status, FALSE);
747 if (ret != STATUS_SUCCESS)
748 {
749 wine_server_release_fd( hFile, unix_handle );
750 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
751 return ret;
752 }
753 if (flags & FD_FLAG_TIMEOUT)
754 {
755 do
756 {
757 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
758 }
759 while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
760 NtClose(hEvent);
761 if (ret != STATUS_USER_APC)
762 fileio->queue_apc_on_error = 1;
763 }
764 else
765 {
766 LARGE_INTEGER timeout;
767
768 /* let some APC be run, this will write as much data as possible */
769 timeout.u.LowPart = timeout.u.HighPart = 0;
770 ret = NtDelayExecution( TRUE, &timeout );
771 /* the apc didn't run and therefore the completion routine now
772 * needs to be sent errors.
773 * Note that there is no race between setting this flag and
774 * returning errors because apc's are run only during alertable
775 * waits */
776 if (ret != STATUS_USER_APC)
777 fileio->queue_apc_on_error = 1;
778 }
779 return io_status->u.Status;
780 }
781
782 if (offset)
783 {
784 FILE_POSITION_INFORMATION fpi;
785
786 fpi.CurrentByteOffset = *offset;
787 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
788 FilePositionInformation);
789 if (io_status->u.Status)
790 {
791 wine_server_release_fd( hFile, unix_handle );
792 return io_status->u.Status;
793 }
794 }
795
796 /* synchronous file write */
797 while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
798 {
799 if ((errno == EAGAIN) || (errno == EINTR)) continue;
800 if (errno == EFAULT)
801 {
802 io_status->Information = 0;
803 io_status->u.Status = STATUS_INVALID_USER_BUFFER;
804 }
805 else if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
806 else io_status->u.Status = FILE_GetNtStatus();
807 break;
808 }
809 wine_server_release_fd( hFile, unix_handle );
810 return io_status->u.Status;
811 }
812
813 /**************************************************************************
814 * NtDeviceIoControlFile [NTDLL.@]
815 * ZwDeviceIoControlFile [NTDLL.@]
816 *
817 * Perform an I/O control operation on an open file handle.
818 *
819 * PARAMS
820 * DeviceHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
821 * Event [I] Event to signal upon completion (or NULL)
822 * ApcRoutine [I] Callback to call upon completion (or NULL)
823 * ApcContext [I] Context for ApcRoutine (or NULL)
824 * IoStatusBlock [O] Receives information about the operation on return
825 * IoControlCode [I] Control code for the operation to perform
826 * InputBuffer [I] Source for any input data required (or NULL)
827 * InputBufferSize [I] Size of InputBuffer
828 * OutputBuffer [O] Source for any output data returned (or NULL)
829 * OutputBufferSize [I] Size of OutputBuffer
830 *
831 * RETURNS
832 * Success: 0. IoStatusBlock is updated.
833 * Failure: An NTSTATUS error code describing the error.
834 */
835 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
836 PIO_APC_ROUTINE UserApcRoutine,
837 PVOID UserApcContext,
838 PIO_STATUS_BLOCK IoStatusBlock,
839 ULONG IoControlCode,
840 PVOID InputBuffer,
841 ULONG InputBufferSize,
842 PVOID OutputBuffer,
843 ULONG OutputBufferSize)
844 {
845 TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
846 DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
847 IoStatusBlock, IoControlCode,
848 InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
849
850 if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
851 UserApcRoutine, UserApcContext,
852 IoStatusBlock, IoControlCode,
853 InputBuffer, InputBufferSize,
854 OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
855 {
856 /* it wasn't a CDROM */
857 FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
858 IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
859 IoStatusBlock->Information = 0;
860 if (hEvent) NtSetEvent(hEvent, NULL);
861 }
862 return IoStatusBlock->u.Status;
863 }
864
865 /***********************************************************************
866 * pipe_completion_wait (Internal)
867 */
868 static void CALLBACK pipe_completion_wait(HANDLE event, PIO_STATUS_BLOCK iosb, ULONG status)
869 {
870 TRACE("for %p/%p, status=%08lx\n", event, iosb, status);
871
872 if (iosb)
873 iosb->u.Status = status;
874 NtSetEvent(event, NULL);
875 TRACE("done\n");
876 }
877
878 /**************************************************************************
879 * NtFsControlFile [NTDLL.@]
880 * ZwFsControlFile [NTDLL.@]
881 *
882 * Perform a file system control operation on an open file handle.
883 *
884 * PARAMS
885 * DeviceHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
886 * Event [I] Event to signal upon completion (or NULL)
887 * ApcRoutine [I] Callback to call upon completion (or NULL)
888 * ApcContext [I] Context for ApcRoutine (or NULL)
889 * IoStatusBlock [O] Receives information about the operation on return
890 * FsControlCode [I] Control code for the operation to perform
891 * InputBuffer [I] Source for any input data required (or NULL)
892 * InputBufferSize [I] Size of InputBuffer
893 * OutputBuffer [O] Source for any output data returned (or NULL)
894 * OutputBufferSize [I] Size of OutputBuffer
895 *
896 * RETURNS
897 * Success: 0. IoStatusBlock is updated.
898 * Failure: An NTSTATUS error code describing the error.
899 */
900 NTSTATUS WINAPI NtFsControlFile(HANDLE DeviceHandle, HANDLE Event OPTIONAL, PIO_APC_ROUTINE ApcRoutine,
901 PVOID ApcContext, PIO_STATUS_BLOCK IoStatusBlock, ULONG FsControlCode,
902 PVOID InputBuffer, ULONG InputBufferSize, PVOID OutputBuffer, ULONG OutputBufferSize)
903 {
904 NTSTATUS ret;
905
906 TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
907 DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,FsControlCode,
908 InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
909
910 if(!IoStatusBlock) return STATUS_INVALID_PARAMETER;
911
912 switch(FsControlCode)
913 {
914 case FSCTL_PIPE_LISTEN :
915 {
916 HANDLE internal_event;
917
918 if(!Event)
919 {
920 OBJECT_ATTRIBUTES obj;
921 InitializeObjectAttributes(&obj, NULL, 0, 0, NULL);
922 ret = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, &obj, FALSE, FALSE);
923 if(ret != STATUS_SUCCESS) return ret;
924 }
925
926 SERVER_START_REQ(connect_named_pipe)
927 {
928 req->handle = DeviceHandle;
929 req->event = Event ? Event : internal_event;
930 req->func = pipe_completion_wait;
931 ret = wine_server_call(req);
932 }
933 SERVER_END_REQ;
934
935 if(ret == STATUS_SUCCESS)
936 {
937 if(Event)
938 ret = STATUS_PENDING;
939 else
940 {
941 do
942 ret = NtWaitForSingleObject(internal_event, TRUE, NULL);
943 while(ret == STATUS_USER_APC);
944 NtClose(internal_event);
945 }
946 }
947 break;
948 }
949 case FSCTL_PIPE_DISCONNECT :
950 SERVER_START_REQ(disconnect_named_pipe)
951 {
952 req->handle = DeviceHandle;
953 ret = wine_server_call(req);
954 if (!ret && reply->fd != -1) close(reply->fd);
955 }
956 SERVER_END_REQ;
957 break;
958 default :
959 FIXME("Unsupported FsControlCode %lx\n", FsControlCode);
960 ret = STATUS_NOT_SUPPORTED;
961 break;
962 }
963 IoStatusBlock->u.Status = ret;
964 return ret;
965 }
966
967 /******************************************************************************
968 * NtSetVolumeInformationFile [NTDLL.@]
969 * ZwSetVolumeInformationFile [NTDLL.@]
970 *
971 * Set volume information for an open file handle.
972 *
973 * PARAMS
974 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
975 * IoStatusBlock [O] Receives information about the operation on return
976 * FsInformation [I] Source for volume information
977 * Length [I] Size of FsInformation
978 * FsInformationClass [I] Type of volume information to set
979 *
980 * RETURNS
981 * Success: 0. IoStatusBlock is updated.
982 * Failure: An NTSTATUS error code describing the error.
983 */
984 NTSTATUS WINAPI NtSetVolumeInformationFile(
985 IN HANDLE FileHandle,
986 PIO_STATUS_BLOCK IoStatusBlock,
987 PVOID FsInformation,
988 ULONG Length,
989 FS_INFORMATION_CLASS FsInformationClass)
990 {
991 FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
992 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
993 return 0;
994 }
995
996 /******************************************************************************
997 * NtQueryInformationFile [NTDLL.@]
998 * ZwQueryInformationFile [NTDLL.@]
999 *
1000 * Get information about an open file handle.
1001 *
1002 * PARAMS
1003 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1004 * io [O] Receives information about the operation on return
1005 * ptr [O] Destination for file information
1006 * len [I] Size of FileInformation
1007 * class [I] Type of file information to get
1008 *
1009 * RETURNS
1010 * Success: 0. IoStatusBlock and FileInformation are updated.
1011 * Failure: An NTSTATUS error code describing the error.
1012 */
1013 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1014 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1015 {
1016 static const size_t info_sizes[] =
1017 {
1018 0,
1019 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1020 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1021 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1022 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1023 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1024 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1025 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1026 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1027 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1028 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1029 0, /* FileLinkInformation */
1030 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1031 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1032 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1033 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1034 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1035 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1036 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1037 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1038 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1039 0, /* FileAlternateNameInformation */
1040 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1041 0, /* FilePipeInformation */
1042 0, /* FilePipeLocalInformation */
1043 0, /* FilePipeRemoteInformation */
1044 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1045 0, /* FileMailslotSetInformation */
1046 0, /* FileCompressionInformation */
1047 0, /* FileObjectIdInformation */
1048 0, /* FileCompletionInformation */
1049 0, /* FileMoveClusterInformation */
1050 0, /* FileQuotaInformation */
1051 0, /* FileReparsePointInformation */
1052 0, /* FileNetworkOpenInformation */
1053 0, /* FileAttributeTagInformation */
1054 0 /* FileTrackingInformation */
1055 };
1056
1057 struct stat st;
1058 int fd;
1059
1060 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
1061
1062 io->Information = 0;
1063
1064 if (class <= 0 || class >= FileMaximumInformation)
1065 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1066 if (!info_sizes[class])
1067 {
1068 FIXME("Unsupported class (%d)\n", class);
1069 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1070 }
1071 if (len < info_sizes[class])
1072 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1073
1074 if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
1075 return io->u.Status;
1076
1077 switch (class)
1078 {
1079 case FileBasicInformation:
1080 {
1081 FILE_BASIC_INFORMATION *info = ptr;
1082
1083 if (fstat( fd, &st ) == -1)
1084 io->u.Status = FILE_GetNtStatus();
1085 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1086 io->u.Status = STATUS_INVALID_INFO_CLASS;
1087 else
1088 {
1089 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1090 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1091 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1092 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1093 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1094 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1095 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1096 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1097 }
1098 }
1099 break;
1100 case FileStandardInformation:
1101 {
1102 FILE_STANDARD_INFORMATION *info = ptr;
1103
1104 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1105 else
1106 {
1107 if ((info->Directory = S_ISDIR(st.st_mode)))
1108 {
1109 info->AllocationSize.QuadPart = 0;
1110 info->EndOfFile.QuadPart = 0;
1111 info->NumberOfLinks = 1;
1112 info->DeletePending = FALSE;
1113 }
1114 else
1115 {
1116 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1117 info->EndOfFile.QuadPart = st.st_size;
1118 info->NumberOfLinks = st.st_nlink;
1119 info->DeletePending = FALSE; /* FIXME */
1120 }
1121 }
1122 }
1123 break;
1124 case FilePositionInformation:
1125 {
1126 FILE_POSITION_INFORMATION *info = ptr;
1127 off_t res = lseek( fd, 0, SEEK_CUR );
1128 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1129 else info->CurrentByteOffset.QuadPart = res;
1130 }
1131 break;
1132 case FileInternalInformation:
1133 {
1134 FILE_INTERNAL_INFORMATION *info = ptr;
1135
1136 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1137 else info->IndexNumber.QuadPart = st.st_ino;
1138 }
1139 break;
1140 case FileEaInformation:
1141 {
1142 FILE_EA_INFORMATION *info = ptr;
1143 info->EaSize = 0;
1144 }
1145 break;
1146 case FileEndOfFileInformation:
1147 {
1148 FILE_END_OF_FILE_INFORMATION *info = ptr;
1149
1150 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1151 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1152 }
1153 break;
1154 case FileAllInformation:
1155 {
1156 FILE_ALL_INFORMATION *info = ptr;
1157
1158 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1159 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1160 io->u.Status = STATUS_INVALID_INFO_CLASS;
1161 else
1162 {
1163 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1164 {
1165 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1166 info->StandardInformation.AllocationSize.QuadPart = 0;
1167 info->StandardInformation.EndOfFile.QuadPart = 0;
1168 info->StandardInformation.NumberOfLinks = 1;
1169 info->StandardInformation.DeletePending = FALSE;
1170 }
1171 else
1172 {
1173 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1174 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1175 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1176 info->StandardInformation.NumberOfLinks = st.st_nlink;
1177 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1178 }
1179 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1180 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1181 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1182 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1183 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1184 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1185 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1186 info->EaInformation.EaSize = 0;
1187 info->AccessInformation.AccessFlags = 0; /* FIXME */
1188 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1189 info->ModeInformation.Mode = 0; /* FIXME */
1190 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1191 info->NameInformation.FileNameLength = 0;
1192 io->Information = sizeof(*info) - sizeof(WCHAR);
1193 }
1194 }
1195 break;
1196 case FileMailslotQueryInformation:
1197 {
1198 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1199
1200 SERVER_START_REQ( set_mailslot_info )
1201 {
1202 req->handle = hFile;
1203 req->flags = 0;
1204 io->u.Status = wine_server_call( req );
1205 if( io->u.Status == STATUS_SUCCESS )
1206 {
1207 info->MaximumMessageSize = reply->max_msgsize;
1208 info->MailslotQuota = 0;
1209 info->NextMessageSize = reply->next_msgsize;
1210 info->MessagesAvailable = reply->msg_count;
1211 info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
1212 }
1213 }
1214 SERVER_END_REQ;
1215 }
1216 break;
1217 default:
1218 FIXME("Unsupported class (%d)\n", class);
1219 io->u.Status = STATUS_NOT_IMPLEMENTED;
1220 break;
1221 }
1222 wine_server_release_fd( hFile, fd );
1223 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1224 return io->u.Status;
1225 }
1226
1227 /******************************************************************************
1228 * NtSetInformationFile [NTDLL.@]
1229 * ZwSetInformationFile [NTDLL.@]
1230 *
1231 * Set information about an open file handle.
1232 *
1233 * PARAMS
1234 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1235 * io [O] Receives information about the operation on return
1236 * ptr [I] Source for file information
1237 * len [I] Size of FileInformation
1238 * class [I] Type of file information to set
1239 *
1240 * RETURNS
1241 * Success: 0. io is updated.
1242 * Failure: An NTSTATUS error code describing the error.
1243 */
1244 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1245 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1246 {
1247 int fd;
1248
1249 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1250
1251 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1252 return io->u.Status;
1253
1254 io->u.Status = STATUS_SUCCESS;
1255 switch (class)
1256 {
1257 case FileBasicInformation:
1258 if (len >= sizeof(FILE_BASIC_INFORMATION))
1259 {
1260 struct stat st;
1261 const FILE_BASIC_INFORMATION *info = ptr;
1262
1263 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1264 {
1265 ULONGLONG sec, nsec;
1266 struct timeval tv[2];
1267
1268 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1269 {
1270
1271 tv[0].tv_sec = tv[0].tv_usec = 0;
1272 tv[1].tv_sec = tv[1].tv_usec = 0;
1273 if (!fstat( fd, &st ))
1274 {
1275 tv[0].tv_sec = st.st_atime;
1276 tv[1].tv_sec = st.st_mtime;
1277 }
1278 }
1279 if (info->LastAccessTime.QuadPart)
1280 {
1281 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1282 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1283 tv[0].tv_usec = (UINT)nsec / 10;
1284 }
1285 if (info->LastWriteTime.QuadPart)
1286 {
1287 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1288 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1289 tv[1].tv_usec = (UINT)nsec / 10;
1290 }
1291 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1292 }
1293
1294 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1295 {
1296 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1297 else
1298 {
1299 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1300 {
1301 if (S_ISDIR( st.st_mode))
1302 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1303 else
1304 st.st_mode &= ~0222; /* clear write permission bits */
1305 }
1306 else
1307 {
1308 /* add write permission only where we already have read permission */
1309 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1310 }
1311 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1312 }
1313 }
1314 }
1315 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1316 break;
1317
1318 case FilePositionInformation:
1319 if (len >= sizeof(FILE_POSITION_INFORMATION))
1320 {
1321 const FILE_POSITION_INFORMATION *info = ptr;
1322
1323 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1324 io->u.Status = FILE_GetNtStatus();
1325 }
1326 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1327 break;
1328
1329 case FileEndOfFileInformation:
1330 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1331 {
1332 struct stat st;
1333 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1334
1335 /* first try normal truncate */
1336 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1337
1338 /* now check for the need to extend the file */
1339 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1340 {
1341 static const char zero;
1342
1343 /* extend the file one byte beyond the requested size and then truncate it */
1344 /* this should work around ftruncate implementations that can't extend files */
1345 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1346 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1347 }
1348 io->u.Status = FILE_GetNtStatus();
1349 }
1350 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1351 break;
1352
1353 case FileMailslotSetInformation:
1354 {
1355 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1356
1357 SERVER_START_REQ( set_mailslot_info )
1358 {
1359 req->handle = handle;
1360 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1361 req->read_timeout = info->ReadTimeout.QuadPart / -10000;
1362 io->u.Status = wine_server_call( req );
1363 }
1364 SERVER_END_REQ;
1365 }
1366 break;
1367
1368 default:
1369 FIXME("Unsupported class (%d)\n", class);
1370 io->u.Status = STATUS_NOT_IMPLEMENTED;
1371 break;
1372 }
1373 wine_server_release_fd( handle, fd );
1374 io->Information = 0;
1375 return io->u.Status;
1376 }
1377
1378
1379 /******************************************************************************
1380 * NtQueryFullAttributesFile (NTDLL.@)
1381 */
1382 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1383 FILE_NETWORK_OPEN_INFORMATION *info )
1384 {
1385 ANSI_STRING unix_name;
1386 NTSTATUS status;
1387
1388 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1389 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1390 {
1391 struct stat st;
1392
1393 if (stat( unix_name.Buffer, &st ) == -1)
1394 status = FILE_GetNtStatus();
1395 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1396 status = STATUS_INVALID_INFO_CLASS;
1397 else
1398 {
1399 if (S_ISDIR(st.st_mode))
1400 {
1401 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1402 info->AllocationSize.QuadPart = 0;
1403 info->EndOfFile.QuadPart = 0;
1404 }
1405 else
1406 {
1407 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1408 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1409 info->EndOfFile.QuadPart = st.st_size;
1410 }
1411 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1412 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1413 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1414 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1415 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1416 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1417 if (DIR_is_hidden_file( attr->ObjectName ))
1418 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1419 }
1420 RtlFreeAnsiString( &unix_name );
1421 }
1422 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1423 return status;
1424 }
1425
1426
1427 /******************************************************************************
1428 * NtQueryAttributesFile (NTDLL.@)
1429 * ZwQueryAttributesFile (NTDLL.@)
1430 */
1431 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1432 {
1433 FILE_NETWORK_OPEN_INFORMATION full_info;
1434 NTSTATUS status;
1435
1436 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1437 {
1438 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1439 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1440 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1441 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1442 info->FileAttributes = full_info.FileAttributes;
1443 }
1444 return status;
1445 }
1446
1447
1448 /******************************************************************************
1449 * FILE_GetDeviceInfo
1450 *
1451 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1452 */
1453 NTSTATUS FILE_GetDeviceInfo( int fd, FILE_FS_DEVICE_INFORMATION *info )
1454 {
1455 struct stat st;
1456
1457 info->Characteristics = 0;
1458 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1459 if (S_ISCHR( st.st_mode ))
1460 {
1461 info->DeviceType = FILE_DEVICE_UNKNOWN;
1462 #ifdef linux
1463 switch(major(st.st_rdev))
1464 {
1465 case MEM_MAJOR:
1466 info->DeviceType = FILE_DEVICE_NULL;
1467 break;
1468 case TTY_MAJOR:
1469 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1470 break;
1471 case LP_MAJOR:
1472 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1473 break;
1474 }
1475 #endif
1476 }
1477 else if (S_ISBLK( st.st_mode ))
1478 {
1479 info->DeviceType = FILE_DEVICE_DISK;
1480 }
1481 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1482 {
1483 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1484 }
1485 else /* regular file or directory */
1486 {
1487 #if defined(linux) && defined(HAVE_FSTATFS)
1488 struct statfs stfs;
1489
1490 /* check for floppy disk */
1491 if (major(st.st_dev) == FLOPPY_MAJOR)
1492 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1493
1494 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1495 switch (stfs.f_type)
1496 {
1497 case 0x9660: /* iso9660 */
1498 case 0x15013346: /* udf */
1499 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1500 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1501 break;
1502 case 0x6969: /* nfs */
1503 case 0x517B: /* smbfs */
1504 case 0x564c: /* ncpfs */
1505 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1506 info->Characteristics |= FILE_REMOTE_DEVICE;
1507 break;
1508 case 0x01021994: /* tmpfs */
1509 case 0x28cd3d45: /* cramfs */
1510 case 0x1373: /* devfs */
1511 case 0x9fa0: /* procfs */
1512 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1513 break;
1514 default:
1515 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1516 break;
1517 }
1518 #elif defined(__FreeBSD__)
1519 struct statfs stfs;
1520
1521 /* The proper way to do this in FreeBSD seems to be with the
1522 * name rather than the type, since their linux-compatible
1523 * fstatfs call converts the name to one of the Linux types.
1524 */
1525 if (fstatfs( fd, &stfs ) < 0)
1526 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1527 else if (!strncmp("cd9660", stfs.f_fstypename,
1528 sizeof(stfs.f_fstypename)))
1529 {
1530 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1531 /* Don't assume read-only, let the mount options set it
1532 * below
1533 */
1534 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1535 }
1536 else if (!strncmp("nfs", stfs.f_fstypename,
1537 sizeof(stfs.f_fstypename)))
1538 {
1539 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1540 info->Characteristics |= FILE_REMOTE_DEVICE;
1541 }
1542 else if (!strncmp("nwfs", stfs.f_fstypename,
1543 sizeof(stfs.f_fstypename)))
1544 {
1545 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1546 info->Characteristics |= FILE_REMOTE_DEVICE;
1547 }
1548 else if (!strncmp("procfs", stfs.f_fstypename,
1549 sizeof(stfs.f_fstypename)))
1550 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1551 else
1552 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1553 if (stfs.f_flags & MNT_RDONLY)
1554 info->Characteristics |= FILE_READ_ONLY_DEVICE;
1555 if (!(stfs.f_flags & MNT_LOCAL))
1556 {
1557 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1558 info->Characteristics |= FILE_REMOTE_DEVICE;
1559 }
1560 #elif defined (__APPLE__)
1561 struct statfs stfs;
1562
1563 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1564
1565 if (fstatfs( fd, &stfs ) < 0) return FILE_GetNtStatus();
1566
1567 /* stfs.f_type is reserved (always set to 0) so use IOKit */
1568 kern_return_t kernResult = KERN_FAILURE;
1569 mach_port_t masterPort;
1570
1571 char bsdName[6]; /* disk#\0 */
1572 const char *name = stfs.f_mntfromname + strlen(_PATH_DEV);
1573 memcpy( bsdName, name, min(strlen(name)+1,sizeof(bsdName)) );
1574 bsdName[sizeof(bsdName)-1] = 0;
1575
1576 kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
1577
1578 if (kernResult == KERN_SUCCESS)
1579 {
1580 CFMutableDictionaryRef matching = IOBSDNameMatching(masterPort, 0, bsdName);
1581
1582 if (matching)
1583 {
1584 CFMutableDictionaryRef properties;
1585 io_service_t devService = IOServiceGetMatchingService(masterPort, matching);
1586
1587 if (IORegistryEntryCreateCFProperties(devService,
1588 &properties,
1589 kCFAllocatorDefault, 0) != KERN_SUCCESS)
1590 return FILE_GetNtStatus(); /* FIXME */
1591 if ( CFEqual(
1592 CFDictionaryGetValue(properties, CFSTR("Removable")),
1593 kCFBooleanTrue)
1594 ) info->Characteristics |= FILE_REMOVABLE_MEDIA;
1595
1596 if ( CFEqual(
1597 CFDictionaryGetValue(properties, CFSTR("Writable")),
1598 kCFBooleanFalse)
1599 ) info->Characteristics |= FILE_READ_ONLY_DEVICE;
1600
1601 /*
1602 NB : mounted disk image (.img/.dmg) don't provide specific type
1603 */
1604 CFStringRef type;
1605 if ( (type = CFDictionaryGetValue(properties, CFSTR("Type"))) )
1606 {
1607 if ( CFStringCompare(type, CFSTR("CD-ROM"), 0) == kCFCompareEqualTo
1608 || CFStringCompare(type, CFSTR("DVD-ROM"), 0) == kCFCompareEqualTo
1609 )
1610 {
1611 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1612 }
1613 }
1614
1615 if (properties)
1616 CFRelease(properties);
1617 }
1618 }
1619 #elif defined(sun)
1620 /* Use dkio to work out device types */
1621 {
1622 # include <sys/dkio.h>
1623 # include <sys/vtoc.h>
1624 struct dk_cinfo dkinf;
1625 int retval = ioctl(fd, DKIOCINFO, &dkinf);
1626 if(retval==-1){
1627 WARN("Unable to get disk device type information - assuming a disk like device\n");
1628 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1629 }
1630 switch (dkinf.dki_ctype)
1631 {
1632 case DKC_CDROM:
1633 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1634 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1635 break;
1636 case DKC_NCRFLOPPY:
1637 case DKC_SMSFLOPPY:
1638 case DKC_INTEL82072:
1639 case DKC_INTEL82077:
1640 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1641 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1642 break;
1643 case DKC_MD:
1644 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1645 break;
1646 default:
1647 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1648 }
1649 }
1650 #else
1651 static int warned;
1652 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1653 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1654 #endif
1655 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1656 }
1657 return STATUS_SUCCESS;
1658 }
1659
1660
1661 /******************************************************************************
1662 * NtQueryVolumeInformationFile [NTDLL.@]
1663 * ZwQueryVolumeInformationFile [NTDLL.@]
1664 *
1665 * Get volume information for an open file handle.
1666 *
1667 * PARAMS
1668 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1669 * io [O] Receives information about the operation on return
1670 * buffer [O] Destination for volume information
1671 * length [I] Size of FsInformation
1672 * info_class [I] Type of volume information to set
1673 *
1674 * RETURNS
1675 * Success: 0. io and buffer are updated.
1676 * Failure: An NTSTATUS error code describing the error.
1677 */
1678 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1679 PVOID buffer, ULONG length,
1680 FS_INFORMATION_CLASS info_class )
1681 {
1682 int fd;
1683 struct stat st;
1684
1685 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1686 return io->u.Status;
1687
1688 io->u.Status = STATUS_NOT_IMPLEMENTED;
1689 io->Information = 0;
1690
1691 switch( info_class )
1692 {
1693 case FileFsVolumeInformation:
1694 FIXME( "%p: volume info not supported\n", handle );
1695 break;
1696 case FileFsLabelInformation:
1697 FIXME( "%p: label info not supported\n", handle );
1698 break;
1699 case FileFsSizeInformation:
1700 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1701 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1702 else
1703 {
1704 FILE_FS_SIZE_INFORMATION *info = buffer;
1705
1706 if (fstat( fd, &st ) < 0)
1707 {
1708 io->u.Status = FILE_GetNtStatus();
1709 break;
1710 }
1711 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1712 {
1713 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1714 }
1715 else
1716 {
1717 /* Linux's fstatvfs is buggy */
1718 #if !defined(linux) || !defined(HAVE_FSTATFS)
1719 struct statvfs stfs;
1720
1721 if (fstatvfs( fd, &stfs ) < 0)
1722 {
1723 io->u.Status = FILE_GetNtStatus();
1724 break;
1725 }
1726 info->BytesPerSector = stfs.f_frsize;
1727 #else
1728 struct statfs stfs;
1729 if (fstatfs( fd, &stfs ) < 0)
1730 {
1731 io->u.Status = FILE_GetNtStatus();
1732 break;
1733 }
1734 info->BytesPerSector = stfs.f_bsize;
1735 #endif
1736 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1737 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1738 info->SectorsPerAllocationUnit = 1;
1739 io->Information = sizeof(*info);
1740 io->u.Status = STATUS_SUCCESS;
1741 }
1742 }
1743 break;
1744 case FileFsDeviceInformation:
1745 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1746 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1747 else
1748 {
1749 FILE_FS_DEVICE_INFORMATION *info = buffer;
1750
1751 if ((io->u.Status = FILE_GetDeviceInfo( fd, info )) == STATUS_SUCCESS)
1752 io->Information = sizeof(*info);
1753 }
1754 break;
1755 case FileFsAttributeInformation:
1756 FIXME( "%p: attribute info not supported\n", handle );
1757 break;
1758 case FileFsControlInformation:
1759 FIXME( "%p: control info not supported\n", handle );
1760 break;
1761 case FileFsFullSizeInformation:
1762 FIXME( "%p: full size info not supported\n", handle );
1763 break;
1764 case FileFsObjectIdInformation:
1765 FIXME( "%p: object id info not supported\n", handle );
1766 break;
1767 case FileFsMaximumInformation:
1768 FIXME( "%p: maximum info not supported\n", handle );
1769 break;
1770 default:
1771 io->u.Status = STATUS_INVALID_PARAMETER;
1772 break;
1773 }
1774 wine_server_release_fd( handle, fd );
1775 return io->u.Status;
1776 }
1777
1778
1779 /******************************************************************
1780 * NtFlushBuffersFile (NTDLL.@)
1781 *
1782 * Flush any buffered data on an open file handle.
1783 *
1784 * PARAMS
1785 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1786 * IoStatusBlock [O] Receives information about the operation on return
1787 *
1788 * RETURNS
1789 * Success: 0. IoStatusBlock is updated.
1790 * Failure: An NTSTATUS error code describing the error.
1791 */
1792 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1793 {
1794 NTSTATUS ret;
1795 HANDLE hEvent = NULL;
1796
1797 SERVER_START_REQ( flush_file )
1798 {
1799 req->handle = hFile;
1800 ret = wine_server_call( req );
1801 hEvent = reply->event;
1802 }
1803 SERVER_END_REQ;
1804 if (!ret && hEvent)
1805 {
1806 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1807 NtClose( hEvent );
1808 }
1809 return ret;
1810 }
1811
1812 /******************************************************************
1813 * NtLockFile (NTDLL.@)
1814 *
1815 *
1816 */
1817 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1818 PIO_APC_ROUTINE apc, void* apc_user,
1819 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1820 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1821 BOOLEAN exclusive )
1822 {
1823 NTSTATUS ret;
1824 HANDLE handle;
1825 BOOLEAN async;
1826
1827 if (apc || io_status || key)
1828 {
1829 FIXME("Unimplemented yet parameter\n");
1830 return STATUS_NOT_IMPLEMENTED;
1831 }
1832
1833 for (;;)
1834 {
1835 SERVER_START_REQ( lock_file )
1836 {
1837 req->handle = hFile;
1838 req->offset_low = offset->u.LowPart;
1839 req->offset_high = offset->u.HighPart;
1840 req->count_low = count->u.LowPart;
1841 req->count_high = count->u.HighPart;
1842 req->shared = !exclusive;
1843 req->wait = !dont_wait;
1844 ret = wine_server_call( req );
1845 handle = reply->handle;
1846 async = reply->overlapped;
1847 }
1848 SERVER_END_REQ;
1849 if (ret != STATUS_PENDING)
1850 {
1851 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1852 return ret;
1853 }
1854
1855 if (async)
1856 {
1857 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1858 if (handle) NtClose( handle );
1859 return STATUS_PENDING;
1860 }
1861 if (handle)
1862 {
1863 NtWaitForSingleObject( handle, FALSE, NULL );
1864 NtClose( handle );
1865 }
1866 else
1867 {
1868 LARGE_INTEGER time;
1869
1870 /* Unix lock conflict, sleep a bit and retry */
1871 time.QuadPart = 100 * (ULONGLONG)10000;
1872 time.QuadPart = -time.QuadPart;
1873 NtDelayExecution( FALSE, &time );
1874 }
1875 }
1876 }
1877
1878
1879 /******************************************************************
1880 * NtUnlockFile (NTDLL.@)
1881 *
1882 *
1883 */
1884 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1885 PLARGE_INTEGER offset, PLARGE_INTEGER count,
1886 PULONG key )
1887 {
1888 NTSTATUS status;
1889
1890 TRACE( "%p %lx%08lx %lx%08lx\n",
1891 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1892
1893 if (io_status || key)
1894 {
1895 FIXME("Unimplemented yet parameter\n");
1896 return STATUS_NOT_IMPLEMENTED;
1897 }
1898
1899 SERVER_START_REQ( unlock_file )
1900 {
1901 req->handle = hFile;
1902 req->offset_low = offset->u.LowPart;
1903 req->offset_high = offset->u.HighPart;
1904 req->count_low = count->u.LowPart;
1905 req->count_high = count->u.HighPart;
1906 status = wine_server_call( req );
1907 }
1908 SERVER_END_REQ;
1909 return status;
1910 }
1911
1912 /******************************************************************
1913 * NtCreateNamedPipeFile (NTDLL.@)
1914 *
1915 *
1916 */
1917 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
1918 POBJECT_ATTRIBUTES oa, PIO_STATUS_BLOCK iosb,
1919 ULONG sharing, ULONG dispo, ULONG options,
1920 ULONG pipe_type, ULONG read_mode,
1921 ULONG completion_mode, ULONG max_inst,
1922 ULONG inbound_quota, ULONG outbound_quota,
1923 PLARGE_INTEGER timeout)
1924 {
1925 NTSTATUS status;
1926 static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1927
1928 TRACE("(%p %lx %s %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p)\n",
1929 handle, access, debugstr_w(oa->ObjectName->Buffer), iosb, sharing, dispo,
1930 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
1931 outbound_quota, timeout);
1932
1933 if (oa->ObjectName->Length < sizeof(leadin) ||
1934 strncmpiW( oa->ObjectName->Buffer,
1935 leadin, sizeof(leadin)/sizeof(leadin[0]) ))
1936 return STATUS_OBJECT_NAME_INVALID;
1937 /* assume we only get relative timeout, and storable in a DWORD as ms */
1938 if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
1939 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
1940
1941 SERVER_START_REQ( create_named_pipe )
1942 {
1943 req->access = access;
1944 req->options = options;
1945 req->flags =
1946 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
1947 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
1948 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
1949 req->maxinstances = max_inst;
1950 req->outsize = outbound_quota;
1951 req->insize = inbound_quota;
1952 req->timeout = timeout->QuadPart / -10000;
1953 req->inherit = (oa->Attributes & OBJ_INHERIT) != 0;
1954 wine_server_add_data( req, oa->ObjectName->Buffer + 4,
1955 oa->ObjectName->Length - 4 * sizeof(WCHAR) );
1956 status = wine_server_call( req );
1957 if (!status) *handle = reply->handle;
1958 }
1959 SERVER_END_REQ;
1960 return status;
1961 }
1962
1963 /******************************************************************
1964 * NtDeleteFile (NTDLL.@)
1965 *
1966 *
1967 */
1968 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
1969 {
1970 NTSTATUS status;
1971 HANDLE hFile;
1972 IO_STATUS_BLOCK io;
1973
1974 TRACE("%p\n", ObjectAttributes);
1975 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE, ObjectAttributes,
1976 &io, NULL, 0,
1977 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1978 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
1979 if (status == STATUS_SUCCESS) status = NtClose(hFile);
1980 return status;
1981 }
1982
1983 /******************************************************************
1984 * NtCancelIoFile (NTDLL.@)
1985 *
1986 *
1987 */
1988 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
1989 {
1990 LARGE_INTEGER timeout;
1991
1992 TRACE("%p %p\n", hFile, io_status );
1993
1994 SERVER_START_REQ( cancel_async )
1995 {
1996 req->handle = hFile;
1997 wine_server_call( req );
1998 }
1999 SERVER_END_REQ;
2000 /* Let some APC be run, so that we can run the remaining APCs on hFile
2001 * either the cancelation of the pending one, but also the execution
2002 * of the queued APC, but not yet run. This is needed to ensure proper
2003 * clean-up of allocated data.
2004 */
2005 timeout.u.LowPart = timeout.u.HighPart = 0;
2006 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2007 }
2008
2009 /******************************************************************************
2010 * NtCreateMailslotFile [NTDLL.@]
2011 * ZwCreateMailslotFile [NTDLL.@]
2012 *
2013 * PARAMS
2014 * pHandle [O] pointer to receive the handle created
2015 * DesiredAccess [I] access mode (read, write, etc)
2016 * ObjectAttributes [I] fully qualified NT path of the mailslot
2017 * IoStatusBlock [O] receives completion status and other info
2018 * CreateOptions [I]
2019 * MailslotQuota [I]
2020 * MaxMessageSize [I]
2021 * TimeOut [I]
2022 *
2023 * RETURNS
2024 * An NT status code
2025 */
2026 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2027 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2028 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2029 PLARGE_INTEGER TimeOut)
2030 {
2031 static const WCHAR leadin[] = {
2032 '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
2033 NTSTATUS ret;
2034
2035 TRACE("%p %08lx %p %p %08lx %08lx %08lx %p\n",
2036 pHandle, DesiredAccess, attr, IoStatusBlock,
2037 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2038
2039 if (attr->ObjectName->Length < sizeof(leadin) ||
2040 strncmpiW( attr->ObjectName->Buffer,
2041 leadin, sizeof(leadin)/sizeof(leadin[0]) ))
2042 {
2043 return STATUS_OBJECT_NAME_INVALID;
2044 }
2045
2046 SERVER_START_REQ( create_mailslot )
2047 {
2048 req->max_msgsize = MaxMessageSize;
2049 req->read_timeout = TimeOut->QuadPart / -10000;
2050 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
2051 wine_server_add_data( req, attr->ObjectName->Buffer + 4,
2052 attr->ObjectName->Length - 4*sizeof(WCHAR) );
2053 ret = wine_server_call( req );
2054 if( ret == STATUS_SUCCESS )
2055 *pHandle = reply->handle;
2056 }
2057 SERVER_END_REQ;
2058
2059 return ret;
2060 }
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