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ntdll: Don't bother with async I/O on regular files.
[wine/multimedia.git] / dlls / ntdll / file.c
blob0d9e7df4b8418321701ef99d688bac4fb3dfa7ec
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_SYS_IOCTL_H
46 #include <sys/ioctl.h>
47 #endif
48 #ifdef HAVE_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
70 #define NONAMELESSUNION
71 #define NONAMELESSSTRUCT
72 #include "ntstatus.h"
73 #define WIN32_NO_STATUS
74 #include "wine/unicode.h"
75 #include "wine/debug.h"
76 #include "thread.h"
77 #include "wine/server.h"
78 #include "ntdll_misc.h"
79
80 #include "winternl.h"
81 #include "winioctl.h"
82
83 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
84
85 mode_t FILE_umask = 0;
86
87 #define SECSPERDAY 86400
88 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
89
90 /**************************************************************************
91 * NtOpenFile [NTDLL.@]
92 * ZwOpenFile [NTDLL.@]
93 *
94 * Open a file.
95 *
96 * PARAMS
97 * handle [O] Variable that receives the file handle on return
98 * access [I] Access desired by the caller to the file
99 * attr [I] Structure describing the file to be opened
100 * io [O] Receives details about the result of the operation
101 * sharing [I] Type of shared access the caller requires
102 * options [I] Options for the file open
103 *
104 * RETURNS
105 * Success: 0. FileHandle and IoStatusBlock are updated.
106 * Failure: An NTSTATUS error code describing the error.
107 */
108 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
109 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
110 ULONG sharing, ULONG options )
111 {
112 return NtCreateFile( handle, access, attr, io, NULL, 0,
113 sharing, FILE_OPEN, options, NULL, 0 );
114 }
115
116 /**************************************************************************
117 * NtCreateFile [NTDLL.@]
118 * ZwCreateFile [NTDLL.@]
119 *
120 * Either create a new file or directory, or open an existing file, device,
121 * directory or volume.
122 *
123 * PARAMS
124 * handle [O] Points to a variable which receives the file handle on return
125 * access [I] Desired access to the file
126 * attr [I] Structure describing the file
127 * io [O] Receives information about the operation on return
128 * alloc_size [I] Initial size of the file in bytes
129 * attributes [I] Attributes to create the file with
130 * sharing [I] Type of shared access the caller would like to the file
131 * disposition [I] Specifies what to do, depending on whether the file already exists
132 * options [I] Options for creating a new file
133 * ea_buffer [I] Pointer to an extended attributes buffer
134 * ea_length [I] Length of ea_buffer
135 *
136 * RETURNS
137 * Success: 0. handle and io are updated.
138 * Failure: An NTSTATUS error code describing the error.
139 */
140 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
141 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
142 ULONG attributes, ULONG sharing, ULONG disposition,
143 ULONG options, PVOID ea_buffer, ULONG ea_length )
144 {
145 static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
146 static const WCHAR mailslotW[] = {'\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
147 ANSI_STRING unix_name;
148 int created = FALSE;
149
150 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
151 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
152 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
153 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
154 attributes, sharing, disposition, options, ea_buffer, ea_length );
155
156 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
157
158 if (alloc_size) FIXME( "alloc_size not supported\n" );
159
160 /* check for named pipe */
161
162 if (attr->ObjectName->Length > sizeof(pipeW) &&
163 !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
164 {
165 SERVER_START_REQ( open_named_pipe )
166 {
167 req->access = access;
168 req->attributes = attr->Attributes;
169 req->rootdir = attr->RootDirectory;
170 req->flags = options;
171 wine_server_add_data( req, attr->ObjectName->Buffer,
172 attr->ObjectName->Length );
173 io->u.Status = wine_server_call( req );
174 *handle = reply->handle;
175 }
176 SERVER_END_REQ;
177 return io->u.Status;
178 }
179
180 /* check for mailslot */
181
182 if (attr->ObjectName->Length > sizeof(mailslotW) &&
183 !memicmpW( attr->ObjectName->Buffer, mailslotW, sizeof(mailslotW)/sizeof(WCHAR) ))
184 {
185 SERVER_START_REQ( open_mailslot )
186 {
187 req->access = access & GENERIC_WRITE;
188 req->attributes = attr->Attributes;
189 req->rootdir = attr->RootDirectory;
190 req->sharing = sharing;
191 wine_server_add_data( req, attr->ObjectName->Buffer,
192 attr->ObjectName->Length );
193 io->u.Status = wine_server_call( req );
194 *handle = reply->handle;
195 }
196 SERVER_END_REQ;
197 return io->u.Status;
198 }
199
200 if (attr->RootDirectory)
201 {
202 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
203 return STATUS_OBJECT_NAME_NOT_FOUND;
204 }
205
206 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
207 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
208
209 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
210 {
211 SERVER_START_REQ( open_file_object )
212 {
213 req->access = access;
214 req->attributes = attr->Attributes;
215 req->rootdir = attr->RootDirectory;
216 req->sharing = sharing;
217 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
218 io->u.Status = wine_server_call( req );
219 *handle = reply->handle;
220 }
221 SERVER_END_REQ;
222 return io->u.Status;
223 }
224
225 if (io->u.Status == STATUS_NO_SUCH_FILE &&
226 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
227 {
228 created = TRUE;
229 io->u.Status = STATUS_SUCCESS;
230 }
231
232 if (io->u.Status == STATUS_SUCCESS)
233 {
234 SERVER_START_REQ( create_file )
235 {
236 req->access = access;
237 req->attributes = attr->Attributes;
238 req->sharing = sharing;
239 req->create = disposition;
240 req->options = options;
241 req->attrs = attributes;
242 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
243 io->u.Status = wine_server_call( req );
244 *handle = reply->handle;
245 }
246 SERVER_END_REQ;
247 RtlFreeAnsiString( &unix_name );
248 }
249 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
250
251 if (io->u.Status == STATUS_SUCCESS)
252 {
253 if (created) io->Information = FILE_CREATED;
254 else switch(disposition)
255 {
256 case FILE_SUPERSEDE:
257 io->Information = FILE_SUPERSEDED;
258 break;
259 case FILE_CREATE:
260 io->Information = FILE_CREATED;
261 break;
262 case FILE_OPEN:
263 case FILE_OPEN_IF:
264 io->Information = FILE_OPENED;
265 break;
266 case FILE_OVERWRITE:
267 case FILE_OVERWRITE_IF:
268 io->Information = FILE_OVERWRITTEN;
269 break;
270 }
271 }
272
273 return io->u.Status;
274 }
275
276 /***********************************************************************
277 * Asynchronous file I/O *
278 */
279 static void WINAPI FILE_AsyncReadService(void*, PIO_STATUS_BLOCK, ULONG);
280 static void WINAPI FILE_AsyncWriteService(void*, PIO_STATUS_BLOCK, ULONG);
281
282 typedef struct async_fileio
283 {
284 HANDLE handle;
285 PIO_APC_ROUTINE apc;
286 void* apc_user;
287 char* buffer;
288 unsigned int count;
289 int queue_apc_on_error;
290 BOOL avail_mode;
291 HANDLE event;
292 } async_fileio;
293
294 static void fileio_terminate(async_fileio *fileio, IO_STATUS_BLOCK* iosb)
295 {
296 TRACE("data: %p\n", fileio);
297
298 if (fileio->event) NtSetEvent( fileio->event, NULL );
299
300 if (fileio->apc &&
301 (iosb->u.Status == STATUS_SUCCESS || fileio->queue_apc_on_error))
302 fileio->apc( fileio->apc_user, iosb, iosb->Information );
303
304 RtlFreeHeap( GetProcessHeap(), 0, fileio );
305 }
306
307
308 static ULONG fileio_queue_async(async_fileio* fileio, IO_STATUS_BLOCK* iosb,
309 BOOL do_read)
310 {
311 PIO_APC_ROUTINE apc = do_read ? FILE_AsyncReadService : FILE_AsyncWriteService;
312 NTSTATUS status;
313
314 SERVER_START_REQ( register_async )
315 {
316 req->handle = fileio->handle;
317 req->io_apc = apc;
318 req->io_sb = iosb;
319 req->io_user = fileio;
320 req->type = do_read ? ASYNC_TYPE_READ : ASYNC_TYPE_WRITE;
321 req->count = (fileio->count < iosb->Information) ?
322 0 : fileio->count - iosb->Information;
323 status = wine_server_call( req );
324 }
325 SERVER_END_REQ;
326
327 if ( status ) iosb->u.Status = status;
328 if ( iosb->u.Status != STATUS_PENDING )
329 {
330 (apc)( fileio, iosb, iosb->u.Status );
331 return iosb->u.Status;
332 }
333 NtCurrentTeb()->num_async_io++;
334 return STATUS_SUCCESS;
335 }
336
337 /***********************************************************************
338 * FILE_GetNtStatus(void)
339 *
340 * Retrieve the Nt Status code from errno.
341 * Try to be consistent with FILE_SetDosError().
342 */
343 NTSTATUS FILE_GetNtStatus(void)
344 {
345 int err = errno;
346
347 TRACE( "errno = %d\n", errno );
348 switch (err)
349 {
350 case EAGAIN: return STATUS_SHARING_VIOLATION;
351 case EBADF: return STATUS_INVALID_HANDLE;
352 case EBUSY: return STATUS_DEVICE_BUSY;
353 case ENOSPC: return STATUS_DISK_FULL;
354 case EPERM:
355 case EROFS:
356 case EACCES: return STATUS_ACCESS_DENIED;
357 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
358 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
359 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
360 case EMFILE:
361 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
362 case EINVAL: return STATUS_INVALID_PARAMETER;
363 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
364 case EPIPE: return STATUS_PIPE_BROKEN;
365 case EIO: return STATUS_DEVICE_NOT_READY;
366 #ifdef ENOMEDIUM
367 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
368 #endif
369 case ENXIO: return STATUS_NO_SUCH_DEVICE;
370 case ENOTTY:
371 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
372 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
373 case EFAULT: return STATUS_ACCESS_VIOLATION;
374 case ENOEXEC: /* ?? */
375 case ESPIPE: /* ?? */
376 case EEXIST: /* ?? */
377 default:
378 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
379 return STATUS_UNSUCCESSFUL;
380 }
381 }
382
383 /***********************************************************************
384 * FILE_AsyncReadService (INTERNAL)
385 */
386 static void WINAPI FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
387 {
388 async_fileio *fileio = (async_fileio*)user;
389 int fd, needs_close, result;
390 int already = iosb->Information;
391
392 TRACE("%p %p 0x%x\n", iosb, fileio->buffer, status);
393
394 switch (status)
395 {
396 case STATUS_ALERTED: /* got some new data */
397 if (iosb->u.Status != STATUS_PENDING) FIXME("unexpected status %08x\n", iosb->u.Status);
398 /* check to see if the data is ready (non-blocking) */
399 if ((iosb->u.Status = server_get_unix_fd( fileio->handle, FILE_READ_DATA, &fd,
400 &needs_close, NULL, NULL )))
401 {
402 fileio_terminate(fileio, iosb);
403 break;
404 }
405 result = read(fd, &fileio->buffer[already], fileio->count - already);
406 if (needs_close) close( fd );
407
408 if (result < 0)
409 {
410 if (errno == EAGAIN || errno == EINTR)
411 {
412 TRACE("Deferred read %d\n", errno);
413 iosb->u.Status = STATUS_PENDING;
414 }
415 else /* check to see if the transfer is complete */
416 iosb->u.Status = FILE_GetNtStatus();
417 }
418 else if (result == 0)
419 {
420 iosb->u.Status = iosb->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
421 }
422 else
423 {
424 iosb->Information += result;
425 if (iosb->Information >= fileio->count || fileio->avail_mode)
426 iosb->u.Status = STATUS_SUCCESS;
427 else
428 {
429 /* if we only have to read the available data, and none is available,
430 * simply cancel the request. If data was available, it has been read
431 * while in by previous call (NtDelayExecution)
432 */
433 iosb->u.Status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
434 }
435
436 TRACE("read %d more bytes %ld/%d so far (%s)\n",
437 result, iosb->Information, fileio->count,
438 (iosb->u.Status == STATUS_SUCCESS) ? "success" : "pending");
439 }
440 /* queue another async operation ? */
441 if (iosb->u.Status == STATUS_PENDING)
442 fileio_queue_async(fileio, iosb, TRUE);
443 else
444 fileio_terminate(fileio, iosb);
445 break;
446 default:
447 iosb->u.Status = status;
448 fileio_terminate(fileio, iosb);
449 break;
450 }
451 }
452
453
454 /******************************************************************************
455 * NtReadFile [NTDLL.@]
456 * ZwReadFile [NTDLL.@]
457 *
458 * Read from an open file handle.
459 *
460 * PARAMS
461 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
462 * Event [I] Event to signal upon completion (or NULL)
463 * ApcRoutine [I] Callback to call upon completion (or NULL)
464 * ApcContext [I] Context for ApcRoutine (or NULL)
465 * IoStatusBlock [O] Receives information about the operation on return
466 * Buffer [O] Destination for the data read
467 * Length [I] Size of Buffer
468 * ByteOffset [O] Destination for the new file pointer position (or NULL)
469 * Key [O] Function unknown (may be NULL)
470 *
471 * RETURNS
472 * Success: 0. IoStatusBlock is updated, and the Information member contains
473 * The number of bytes read.
474 * Failure: An NTSTATUS error code describing the error.
475 */
476 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
477 PIO_APC_ROUTINE apc, void* apc_user,
478 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
479 PLARGE_INTEGER offset, PULONG key)
480 {
481 int result, unix_handle, needs_close, flags;
482 enum server_fd_type type;
483
484 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
485 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
486
487 if (!io_status) return STATUS_ACCESS_VIOLATION;
488
489 io_status->Information = 0;
490 io_status->u.Status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
491 &needs_close, &type, &flags );
492 if (io_status->u.Status) return io_status->u.Status;
493
494 if (type == FD_TYPE_FILE && offset)
495 {
496 /* async I/O doesn't make sense on regular files */
497 if (flags & FD_FLAG_OVERLAPPED)
498 {
499 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
500 {
501 if (errno == EINTR) continue;
502 if (errno == EAGAIN || errno == ESPIPE)
503 {
504 io_status->u.Status = STATUS_PENDING;
505 break;
506 }
507 result = 0;
508 io_status->u.Status = FILE_GetNtStatus();
509 goto done;
510 }
511 if (result >= 0)
512 {
513 io_status->Information = result;
514 io_status->u.Status = result ? STATUS_SUCCESS : STATUS_END_OF_FILE;
515 if (hEvent) NtSetEvent( hEvent, NULL );
516 if (apc && !io_status->u.Status) apc( apc_user, io_status, io_status->Information );
517 goto done;
518 }
519 }
520 else
521 {
522 if (lseek( unix_handle, offset->QuadPart, SEEK_SET ) == (off_t)-1)
523 {
524 io_status->u.Status = FILE_GetNtStatus();
525 goto done;
526 }
527 }
528 }
529
530 if (flags & FD_FLAG_RECV_SHUTDOWN)
531 {
532 if (needs_close) close( unix_handle );
533 return STATUS_PIPE_DISCONNECTED;
534 }
535
536 if (flags & FD_FLAG_TIMEOUT)
537 {
538 if (hEvent)
539 {
540 /* this shouldn't happen, but check it */
541 FIXME("NIY-hEvent\n");
542 if (needs_close) close( unix_handle );
543 return STATUS_NOT_IMPLEMENTED;
544 }
545 io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
546 if (io_status->u.Status)
547 {
548 if (needs_close) close( unix_handle );
549 return io_status->u.Status;
550 }
551 }
552
553 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
554 {
555 async_fileio* fileio;
556 NTSTATUS ret;
557
558 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
559 {
560 if (needs_close) close( unix_handle );
561 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
562 return STATUS_NO_MEMORY;
563 }
564 fileio->handle = hFile;
565 fileio->count = length;
566 fileio->apc = apc;
567 fileio->apc_user = apc_user;
568 fileio->buffer = buffer;
569 fileio->queue_apc_on_error = 0;
570 fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
571 fileio->event = hEvent;
572 if (hEvent) NtResetEvent(hEvent, NULL);
573 if (needs_close) close( unix_handle );
574
575 io_status->u.Status = STATUS_PENDING;
576 ret = fileio_queue_async(fileio, io_status, TRUE);
577 if (ret != STATUS_SUCCESS)
578 {
579 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
580 return ret;
581 }
582 if (flags & FD_FLAG_TIMEOUT)
583 {
584 do
585 {
586 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
587 }
588 while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
589 NtClose(hEvent);
590 if (ret != STATUS_USER_APC)
591 fileio->queue_apc_on_error = 1;
592 }
593 else
594 {
595 LARGE_INTEGER timeout;
596
597 /* let some APC be run, this will read some already pending data */
598 timeout.u.LowPart = timeout.u.HighPart = 0;
599 ret = NtDelayExecution( TRUE, &timeout );
600 /* the apc didn't run and therefore the completion routine now
601 * needs to be sent errors.
602 * Note that there is no race between setting this flag and
603 * returning errors because apc's are run only during alertable
604 * waits */
605 if (ret != STATUS_USER_APC)
606 fileio->queue_apc_on_error = 1;
607 }
608 TRACE("= 0x%08x\n", io_status->u.Status);
609 return io_status->u.Status;
610 }
611
612 /* code for synchronous reads */
613 while ((result = read( unix_handle, buffer, length )) == -1)
614 {
615 if ((errno == EAGAIN) || (errno == EINTR)) continue;
616 io_status->u.Status = FILE_GetNtStatus();
617 result = 0;
618 break;
619 }
620 io_status->Information = result;
621 if (io_status->u.Status == STATUS_SUCCESS && io_status->Information == 0)
622 {
623 struct stat st;
624 if (fstat( unix_handle, &st ) != -1 && S_ISSOCK( st.st_mode ))
625 io_status->u.Status = STATUS_PIPE_BROKEN;
626 else
627 io_status->u.Status = STATUS_END_OF_FILE;
628 }
629 done:
630 if (needs_close) close( unix_handle );
631 TRACE("= 0x%08x (%lu)\n", io_status->u.Status, io_status->Information);
632 return io_status->u.Status;
633 }
634
635 /***********************************************************************
636 * FILE_AsyncWriteService (INTERNAL)
637 */
638 static void WINAPI FILE_AsyncWriteService(void *ovp, IO_STATUS_BLOCK *iosb, ULONG status)
639 {
640 async_fileio *fileio = (async_fileio *) ovp;
641 int result, fd, needs_close;
642 int already = iosb->Information;
643
644 TRACE("(%p %p 0x%x)\n",iosb, fileio->buffer, status);
645
646 switch (status)
647 {
648 case STATUS_ALERTED:
649 /* write some data (non-blocking) */
650 if ((iosb->u.Status = server_get_unix_fd( fileio->handle, FILE_WRITE_DATA, &fd,
651 &needs_close, NULL, NULL )))
652 {
653 fileio_terminate(fileio, iosb);
654 break;
655 }
656 result = write(fd, &fileio->buffer[already], fileio->count - already);
657 if (needs_close) close( fd );
658
659 if (result < 0)
660 {
661 if (errno == EAGAIN || errno == EINTR) iosb->u.Status = STATUS_PENDING;
662 else iosb->u.Status = FILE_GetNtStatus();
663 }
664 else
665 {
666 iosb->Information += result;
667 iosb->u.Status = (iosb->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
668 TRACE("wrote %d more bytes %ld/%d so far\n",
669 result, iosb->Information, fileio->count);
670 }
671 if (iosb->u.Status == STATUS_PENDING)
672 fileio_queue_async(fileio, iosb, FALSE);
673 else
674 fileio_terminate(fileio, iosb);
675 break;
676 default:
677 iosb->u.Status = status;
678 fileio_terminate(fileio, iosb);
679 break;
680 }
681 }
682
683 /******************************************************************************
684 * NtWriteFile [NTDLL.@]
685 * ZwWriteFile [NTDLL.@]
686 *
687 * Write to an open file handle.
688 *
689 * PARAMS
690 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
691 * Event [I] Event to signal upon completion (or NULL)
692 * ApcRoutine [I] Callback to call upon completion (or NULL)
693 * ApcContext [I] Context for ApcRoutine (or NULL)
694 * IoStatusBlock [O] Receives information about the operation on return
695 * Buffer [I] Source for the data to write
696 * Length [I] Size of Buffer
697 * ByteOffset [O] Destination for the new file pointer position (or NULL)
698 * Key [O] Function unknown (may be NULL)
699 *
700 * RETURNS
701 * Success: 0. IoStatusBlock is updated, and the Information member contains
702 * The number of bytes written.
703 * Failure: An NTSTATUS error code describing the error.
704 */
705 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
706 PIO_APC_ROUTINE apc, void* apc_user,
707 PIO_STATUS_BLOCK io_status,
708 const void* buffer, ULONG length,
709 PLARGE_INTEGER offset, PULONG key)
710 {
711 int result, unix_handle, needs_close, flags;
712 enum server_fd_type type;
713
714 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
715 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
716
717 if (!io_status) return STATUS_ACCESS_VIOLATION;
718
719 io_status->Information = 0;
720 io_status->u.Status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
721 &needs_close, &type, &flags );
722 if (io_status->u.Status) return io_status->u.Status;
723
724 if (type == FD_TYPE_FILE && offset)
725 {
726 if (flags & FD_FLAG_OVERLAPPED)
727 {
728 /* async I/O doesn't make sense on regular files */
729 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
730 {
731 if (errno == EINTR) continue;
732 if (errno == EAGAIN || errno == ESPIPE)
733 {
734 io_status->u.Status = STATUS_PENDING;
735 break;
736 }
737 result = 0;
738 if (errno == EFAULT) io_status->u.Status = STATUS_INVALID_USER_BUFFER;
739 else io_status->u.Status = FILE_GetNtStatus();
740 goto done;
741 }
742 if (result >= 0)
743 {
744 io_status->Information = result;
745 io_status->u.Status = STATUS_SUCCESS;
746 if (hEvent) NtSetEvent( hEvent, NULL );
747 if (apc) apc( apc_user, io_status, io_status->Information );
748 goto done;
749 }
750 }
751 else
752 {
753 if (lseek( unix_handle, offset->QuadPart, SEEK_SET ) == (off_t)-1)
754 {
755 io_status->u.Status = FILE_GetNtStatus();
756 goto done;
757 }
758 }
759 }
760
761 if (flags & FD_FLAG_SEND_SHUTDOWN)
762 {
763 if (needs_close) close( unix_handle );
764 return STATUS_PIPE_DISCONNECTED;
765 }
766
767 if (flags & FD_FLAG_TIMEOUT)
768 {
769 if (hEvent)
770 {
771 /* this shouldn't happen, but check it */
772 FIXME("NIY-hEvent\n");
773 if (needs_close) close( unix_handle );
774 return STATUS_NOT_IMPLEMENTED;
775 }
776 io_status->u.Status = NtCreateEvent(&hEvent, EVENT_ALL_ACCESS, NULL, 0, 0);
777 if (io_status->u.Status)
778 {
779 if (needs_close) close( unix_handle );
780 return io_status->u.Status;
781 }
782 }
783
784 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
785 {
786 async_fileio* fileio;
787 NTSTATUS ret;
788
789 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
790 {
791 if (needs_close) close( unix_handle );
792 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
793 return STATUS_NO_MEMORY;
794 }
795 fileio->handle = hFile;
796 fileio->count = length;
797 fileio->apc = apc;
798 fileio->apc_user = apc_user;
799 fileio->buffer = (void*)buffer;
800 fileio->queue_apc_on_error = 0;
801 fileio->avail_mode = (flags & FD_FLAG_AVAILABLE);
802 fileio->event = hEvent;
803 if (hEvent) NtResetEvent(hEvent, NULL);
804 if (needs_close) close( unix_handle );
805
806 io_status->Information = 0;
807 io_status->u.Status = STATUS_PENDING;
808 ret = fileio_queue_async(fileio, io_status, FALSE);
809 if (ret != STATUS_SUCCESS)
810 {
811 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
812 return ret;
813 }
814 if (flags & FD_FLAG_TIMEOUT)
815 {
816 do
817 {
818 ret = NtWaitForSingleObject(hEvent, TRUE, NULL);
819 }
820 while (ret == STATUS_USER_APC && io_status->u.Status == STATUS_PENDING);
821 NtClose(hEvent);
822 if (ret != STATUS_USER_APC)
823 fileio->queue_apc_on_error = 1;
824 }
825 else
826 {
827 LARGE_INTEGER timeout;
828
829 /* let some APC be run, this will write as much data as possible */
830 timeout.u.LowPart = timeout.u.HighPart = 0;
831 ret = NtDelayExecution( TRUE, &timeout );
832 /* the apc didn't run and therefore the completion routine now
833 * needs to be sent errors.
834 * Note that there is no race between setting this flag and
835 * returning errors because apc's are run only during alertable
836 * waits */
837 if (ret != STATUS_USER_APC)
838 fileio->queue_apc_on_error = 1;
839 }
840 return io_status->u.Status;
841 }
842
843 /* synchronous file write */
844 while ((result = write( unix_handle, buffer, length )) == -1)
845 {
846 if ((errno == EAGAIN) || (errno == EINTR)) continue;
847 result = 0;
848 if (errno == EFAULT) io_status->u.Status = STATUS_INVALID_USER_BUFFER;
849 else io_status->u.Status = FILE_GetNtStatus();
850 break;
851 }
852 io_status->Information = result;
853 done:
854 if (needs_close) close( unix_handle );
855 return io_status->u.Status;
856 }
857
858 /**************************************************************************
859 * NtDeviceIoControlFile [NTDLL.@]
860 * ZwDeviceIoControlFile [NTDLL.@]
861 *
862 * Perform an I/O control operation on an open file handle.
863 *
864 * PARAMS
865 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
866 * event [I] Event to signal upon completion (or NULL)
867 * apc [I] Callback to call upon completion (or NULL)
868 * apc_context [I] Context for ApcRoutine (or NULL)
869 * io [O] Receives information about the operation on return
870 * code [I] Control code for the operation to perform
871 * in_buffer [I] Source for any input data required (or NULL)
872 * in_size [I] Size of InputBuffer
873 * out_buffer [O] Source for any output data returned (or NULL)
874 * out_size [I] Size of OutputBuffer
875 *
876 * RETURNS
877 * Success: 0. IoStatusBlock is updated.
878 * Failure: An NTSTATUS error code describing the error.
879 */
880 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
881 PIO_APC_ROUTINE apc, PVOID apc_context,
882 PIO_STATUS_BLOCK io, ULONG code,
883 PVOID in_buffer, ULONG in_size,
884 PVOID out_buffer, ULONG out_size)
885 {
886 ULONG device = (code >> 16);
887
888 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
889 handle, event, apc, apc_context, io, code,
890 in_buffer, in_size, out_buffer, out_size);
891
892 switch(device)
893 {
894 case FILE_DEVICE_DISK:
895 case FILE_DEVICE_CD_ROM:
896 case FILE_DEVICE_DVD:
897 case FILE_DEVICE_CONTROLLER:
898 case FILE_DEVICE_MASS_STORAGE:
899 io->u.Status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
900 in_buffer, in_size, out_buffer, out_size);
901 break;
902 case FILE_DEVICE_SERIAL_PORT:
903 io->u.Status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
904 in_buffer, in_size, out_buffer, out_size);
905 break;
906 case FILE_DEVICE_TAPE:
907 io->u.Status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
908 in_buffer, in_size, out_buffer, out_size);
909 break;
910 default:
911 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
912 code, device, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
913 io->u.Status = STATUS_NOT_SUPPORTED;
914 break;
915 }
916 return io->u.Status;
917 }
918
919 /***********************************************************************
920 * pipe_completion_wait (Internal)
921 */
922 static void CALLBACK pipe_completion_wait(HANDLE event, PIO_STATUS_BLOCK iosb, ULONG status)
923 {
924 TRACE("for %p/%p, status=%08x\n", event, iosb, status);
925
926 if (iosb)
927 iosb->u.Status = status;
928 NtSetEvent(event, NULL);
929 TRACE("done\n");
930 }
931
932 /**************************************************************************
933 * NtFsControlFile [NTDLL.@]
934 * ZwFsControlFile [NTDLL.@]
935 *
936 * Perform a file system control operation on an open file handle.
937 *
938 * PARAMS
939 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
940 * event [I] Event to signal upon completion (or NULL)
941 * apc [I] Callback to call upon completion (or NULL)
942 * apc_context [I] Context for ApcRoutine (or NULL)
943 * io [O] Receives information about the operation on return
944 * code [I] Control code for the operation to perform
945 * in_buffer [I] Source for any input data required (or NULL)
946 * in_size [I] Size of InputBuffer
947 * out_buffer [O] Source for any output data returned (or NULL)
948 * out_size [I] Size of OutputBuffer
949 *
950 * RETURNS
951 * Success: 0. IoStatusBlock is updated.
952 * Failure: An NTSTATUS error code describing the error.
953 */
954 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
955 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
956 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
957 {
958 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
959 handle, event, apc, apc_context, io, code,
960 in_buffer, in_size, out_buffer, out_size);
961
962 if (!io) return STATUS_INVALID_PARAMETER;
963
964 switch(code)
965 {
966 case FSCTL_DISMOUNT_VOLUME:
967 io->u.Status = DIR_unmount_device( handle );
968 break;
969
970 case FSCTL_PIPE_LISTEN:
971 {
972 HANDLE internal_event = 0;
973
974 if(!event)
975 {
976 io->u.Status = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, NULL, FALSE, FALSE);
977 if (io->u.Status != STATUS_SUCCESS) return io->u.Status;
978 }
979 SERVER_START_REQ(connect_named_pipe)
980 {
981 req->handle = handle;
982 req->event = event ? event : internal_event;
983 req->func = pipe_completion_wait;
984 io->u.Status = wine_server_call(req);
985 }
986 SERVER_END_REQ;
987
988 if(io->u.Status == STATUS_SUCCESS)
989 {
990 if(event) io->u.Status = STATUS_PENDING;
991 else
992 {
993 do
994 io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
995 while(io->u.Status == STATUS_USER_APC);
996 }
997 }
998 if (internal_event) NtClose(internal_event);
999 }
1000 break;
1001
1002 case FSCTL_PIPE_WAIT:
1003 {
1004 HANDLE internal_event = 0;
1005 FILE_PIPE_WAIT_FOR_BUFFER *buff = in_buffer;
1006
1007 if(!event)
1008 {
1009 io->u.Status = NtCreateEvent(&internal_event, EVENT_ALL_ACCESS, NULL, FALSE, FALSE);
1010 if (io->u.Status != STATUS_SUCCESS) return io->u.Status;
1011 }
1012 SERVER_START_REQ(wait_named_pipe)
1013 {
1014 req->handle = handle;
1015 req->timeout = buff->TimeoutSpecified ? buff->Timeout.QuadPart / -10000L
1016 : NMPWAIT_USE_DEFAULT_WAIT;
1017 req->event = event ? event : internal_event;
1018 req->func = pipe_completion_wait;
1019 wine_server_add_data( req, buff->Name, buff->NameLength );
1020 io->u.Status = wine_server_call( req );
1021 }
1022 SERVER_END_REQ;
1023
1024 if(io->u.Status == STATUS_SUCCESS)
1025 {
1026 if(event)
1027 io->u.Status = STATUS_PENDING;
1028 else
1029 {
1030 do
1031 io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
1032 while(io->u.Status == STATUS_USER_APC);
1033 }
1034 }
1035 if (internal_event) NtClose(internal_event);
1036 }
1037 break;
1038
1039 case FSCTL_PIPE_PEEK:
1040 {
1041 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1042 int avail = 0, fd, needs_close, flags;
1043
1044 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1045 {
1046 io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1047 break;
1048 }
1049
1050 if ((io->u.Status = server_get_unix_fd( handle, FILE_READ_DATA, &fd,
1051 &needs_close, NULL, &flags )))
1052 break;
1053
1054 if (flags & FD_FLAG_RECV_SHUTDOWN)
1055 {
1056 if (needs_close) close( fd );
1057 io->u.Status = STATUS_PIPE_DISCONNECTED;
1058 break;
1059 }
1060
1061 #ifdef FIONREAD
1062 if (ioctl( fd, FIONREAD, &avail ) != 0)
1063 {
1064 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1065 if (needs_close) close( fd );
1066 io->u.Status = FILE_GetNtStatus();
1067 break;
1068 }
1069 #endif
1070 if (!avail) /* check for closed pipe */
1071 {
1072 struct pollfd pollfd;
1073 int ret;
1074
1075 pollfd.fd = fd;
1076 pollfd.events = POLLIN;
1077 pollfd.revents = 0;
1078 ret = poll( &pollfd, 1, 0 );
1079 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1080 {
1081 if (needs_close) close( fd );
1082 io->u.Status = STATUS_PIPE_BROKEN;
1083 break;
1084 }
1085 }
1086 buffer->NamedPipeState = 0; /* FIXME */
1087 buffer->ReadDataAvailable = avail;
1088 buffer->NumberOfMessages = 0; /* FIXME */
1089 buffer->MessageLength = 0; /* FIXME */
1090 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1091 io->u.Status = STATUS_SUCCESS;
1092 if (avail)
1093 {
1094 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1095 if (data_size)
1096 {
1097 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1098 if (res >= 0) io->Information += res;
1099 }
1100 }
1101 if (needs_close) close( fd );
1102 }
1103 break;
1104
1105 case FSCTL_PIPE_DISCONNECT:
1106 SERVER_START_REQ(disconnect_named_pipe)
1107 {
1108 req->handle = handle;
1109 io->u.Status = wine_server_call(req);
1110 if (!io->u.Status) server_remove_fd_from_cache( handle );
1111 }
1112 SERVER_END_REQ;
1113 break;
1114
1115 case FSCTL_LOCK_VOLUME:
1116 case FSCTL_UNLOCK_VOLUME:
1117 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1118 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1119 io->u.Status = STATUS_SUCCESS;
1120 break;
1121
1122 default:
1123 FIXME("Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1124 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1125 io->u.Status = STATUS_NOT_SUPPORTED;
1126 break;
1127 }
1128 return io->u.Status;
1129 }
1130
1131 /******************************************************************************
1132 * NtSetVolumeInformationFile [NTDLL.@]
1133 * ZwSetVolumeInformationFile [NTDLL.@]
1134 *
1135 * Set volume information for an open file handle.
1136 *
1137 * PARAMS
1138 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1139 * IoStatusBlock [O] Receives information about the operation on return
1140 * FsInformation [I] Source for volume information
1141 * Length [I] Size of FsInformation
1142 * FsInformationClass [I] Type of volume information to set
1143 *
1144 * RETURNS
1145 * Success: 0. IoStatusBlock is updated.
1146 * Failure: An NTSTATUS error code describing the error.
1147 */
1148 NTSTATUS WINAPI NtSetVolumeInformationFile(
1149 IN HANDLE FileHandle,
1150 PIO_STATUS_BLOCK IoStatusBlock,
1151 PVOID FsInformation,
1152 ULONG Length,
1153 FS_INFORMATION_CLASS FsInformationClass)
1154 {
1155 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1156 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1157 return 0;
1158 }
1159
1160 /******************************************************************************
1161 * NtQueryInformationFile [NTDLL.@]
1162 * ZwQueryInformationFile [NTDLL.@]
1163 *
1164 * Get information about an open file handle.
1165 *
1166 * PARAMS
1167 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1168 * io [O] Receives information about the operation on return
1169 * ptr [O] Destination for file information
1170 * len [I] Size of FileInformation
1171 * class [I] Type of file information to get
1172 *
1173 * RETURNS
1174 * Success: 0. IoStatusBlock and FileInformation are updated.
1175 * Failure: An NTSTATUS error code describing the error.
1176 */
1177 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1178 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1179 {
1180 static const size_t info_sizes[] =
1181 {
1182 0,
1183 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1184 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1185 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1186 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1187 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1188 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1189 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1190 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1191 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1192 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1193 0, /* FileLinkInformation */
1194 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1195 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1196 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1197 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1198 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1199 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1200 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1201 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1202 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1203 0, /* FileAlternateNameInformation */
1204 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1205 0, /* FilePipeInformation */
1206 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1207 0, /* FilePipeRemoteInformation */
1208 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1209 0, /* FileMailslotSetInformation */
1210 0, /* FileCompressionInformation */
1211 0, /* FileObjectIdInformation */
1212 0, /* FileCompletionInformation */
1213 0, /* FileMoveClusterInformation */
1214 0, /* FileQuotaInformation */
1215 0, /* FileReparsePointInformation */
1216 0, /* FileNetworkOpenInformation */
1217 0, /* FileAttributeTagInformation */
1218 0 /* FileTrackingInformation */
1219 };
1220
1221 struct stat st;
1222 int fd, needs_close;
1223
1224 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1225
1226 io->Information = 0;
1227
1228 if (class <= 0 || class >= FileMaximumInformation)
1229 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1230 if (!info_sizes[class])
1231 {
1232 FIXME("Unsupported class (%d)\n", class);
1233 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1234 }
1235 if (len < info_sizes[class])
1236 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1237
1238 if (class != FilePipeLocalInformation)
1239 {
1240 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1241 return io->u.Status;
1242 }
1243
1244 switch (class)
1245 {
1246 case FileBasicInformation:
1247 {
1248 FILE_BASIC_INFORMATION *info = ptr;
1249
1250 if (fstat( fd, &st ) == -1)
1251 io->u.Status = FILE_GetNtStatus();
1252 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1253 io->u.Status = STATUS_INVALID_INFO_CLASS;
1254 else
1255 {
1256 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1257 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1258 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1259 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1260 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1261 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1262 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1263 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1264 }
1265 }
1266 break;
1267 case FileStandardInformation:
1268 {
1269 FILE_STANDARD_INFORMATION *info = ptr;
1270
1271 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1272 else
1273 {
1274 if ((info->Directory = S_ISDIR(st.st_mode)))
1275 {
1276 info->AllocationSize.QuadPart = 0;
1277 info->EndOfFile.QuadPart = 0;
1278 info->NumberOfLinks = 1;
1279 info->DeletePending = FALSE;
1280 }
1281 else
1282 {
1283 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1284 info->EndOfFile.QuadPart = st.st_size;
1285 info->NumberOfLinks = st.st_nlink;
1286 info->DeletePending = FALSE; /* FIXME */
1287 }
1288 }
1289 }
1290 break;
1291 case FilePositionInformation:
1292 {
1293 FILE_POSITION_INFORMATION *info = ptr;
1294 off_t res = lseek( fd, 0, SEEK_CUR );
1295 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1296 else info->CurrentByteOffset.QuadPart = res;
1297 }
1298 break;
1299 case FileInternalInformation:
1300 {
1301 FILE_INTERNAL_INFORMATION *info = ptr;
1302
1303 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1304 else info->IndexNumber.QuadPart = st.st_ino;
1305 }
1306 break;
1307 case FileEaInformation:
1308 {
1309 FILE_EA_INFORMATION *info = ptr;
1310 info->EaSize = 0;
1311 }
1312 break;
1313 case FileEndOfFileInformation:
1314 {
1315 FILE_END_OF_FILE_INFORMATION *info = ptr;
1316
1317 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1318 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1319 }
1320 break;
1321 case FileAllInformation:
1322 {
1323 FILE_ALL_INFORMATION *info = ptr;
1324
1325 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1326 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1327 io->u.Status = STATUS_INVALID_INFO_CLASS;
1328 else
1329 {
1330 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1331 {
1332 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1333 info->StandardInformation.AllocationSize.QuadPart = 0;
1334 info->StandardInformation.EndOfFile.QuadPart = 0;
1335 info->StandardInformation.NumberOfLinks = 1;
1336 info->StandardInformation.DeletePending = FALSE;
1337 }
1338 else
1339 {
1340 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1341 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1342 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1343 info->StandardInformation.NumberOfLinks = st.st_nlink;
1344 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1345 }
1346 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1347 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1348 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1349 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1350 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1351 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1352 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1353 info->EaInformation.EaSize = 0;
1354 info->AccessInformation.AccessFlags = 0; /* FIXME */
1355 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1356 info->ModeInformation.Mode = 0; /* FIXME */
1357 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1358 info->NameInformation.FileNameLength = 0;
1359 io->Information = sizeof(*info) - sizeof(WCHAR);
1360 }
1361 }
1362 break;
1363 case FileMailslotQueryInformation:
1364 {
1365 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1366
1367 SERVER_START_REQ( set_mailslot_info )
1368 {
1369 req->handle = hFile;
1370 req->flags = 0;
1371 io->u.Status = wine_server_call( req );
1372 if( io->u.Status == STATUS_SUCCESS )
1373 {
1374 info->MaximumMessageSize = reply->max_msgsize;
1375 info->MailslotQuota = 0;
1376 info->NextMessageSize = 0;
1377 info->MessagesAvailable = 0;
1378 info->ReadTimeout.QuadPart = reply->read_timeout * -10000;
1379 }
1380 }
1381 SERVER_END_REQ;
1382 if (!io->u.Status)
1383 {
1384 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1385 char *tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size );
1386 if (tmpbuf)
1387 {
1388 int fd, needs_close;
1389 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1390 {
1391 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1392 info->MessagesAvailable = (res > 0);
1393 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1394 if (needs_close) close( fd );
1395 }
1396 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1397 }
1398 }
1399 }
1400 break;
1401 case FilePipeLocalInformation:
1402 {
1403 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1404
1405 SERVER_START_REQ( get_named_pipe_info )
1406 {
1407 req->handle = hFile;
1408 if (!(io->u.Status = wine_server_call( req )))
1409 {
1410 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1411 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1412 pli->NamedPipeConfiguration = 0; /* FIXME */
1413 pli->MaximumInstances = reply->maxinstances;
1414 pli->CurrentInstances = reply->instances;
1415 pli->InboundQuota = reply->insize;
1416 pli->ReadDataAvailable = 0; /* FIXME */
1417 pli->OutboundQuota = reply->outsize;
1418 pli->WriteQuotaAvailable = 0; /* FIXME */
1419 pli->NamedPipeState = 0; /* FIXME */
1420 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1421 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1422 }
1423 }
1424 SERVER_END_REQ;
1425 }
1426 break;
1427 default:
1428 FIXME("Unsupported class (%d)\n", class);
1429 io->u.Status = STATUS_NOT_IMPLEMENTED;
1430 break;
1431 }
1432 if (needs_close) close( fd );
1433 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1434 return io->u.Status;
1435 }
1436
1437 /******************************************************************************
1438 * NtSetInformationFile [NTDLL.@]
1439 * ZwSetInformationFile [NTDLL.@]
1440 *
1441 * Set information about an open file handle.
1442 *
1443 * PARAMS
1444 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1445 * io [O] Receives information about the operation on return
1446 * ptr [I] Source for file information
1447 * len [I] Size of FileInformation
1448 * class [I] Type of file information to set
1449 *
1450 * RETURNS
1451 * Success: 0. io is updated.
1452 * Failure: An NTSTATUS error code describing the error.
1453 */
1454 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1455 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1456 {
1457 int fd, needs_close;
1458
1459 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1460
1461 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1462 return io->u.Status;
1463
1464 io->u.Status = STATUS_SUCCESS;
1465 switch (class)
1466 {
1467 case FileBasicInformation:
1468 if (len >= sizeof(FILE_BASIC_INFORMATION))
1469 {
1470 struct stat st;
1471 const FILE_BASIC_INFORMATION *info = ptr;
1472
1473 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1474 {
1475 ULONGLONG sec, nsec;
1476 struct timeval tv[2];
1477
1478 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1479 {
1480
1481 tv[0].tv_sec = tv[0].tv_usec = 0;
1482 tv[1].tv_sec = tv[1].tv_usec = 0;
1483 if (!fstat( fd, &st ))
1484 {
1485 tv[0].tv_sec = st.st_atime;
1486 tv[1].tv_sec = st.st_mtime;
1487 }
1488 }
1489 if (info->LastAccessTime.QuadPart)
1490 {
1491 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1492 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1493 tv[0].tv_usec = (UINT)nsec / 10;
1494 }
1495 if (info->LastWriteTime.QuadPart)
1496 {
1497 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1498 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1499 tv[1].tv_usec = (UINT)nsec / 10;
1500 }
1501 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1502 }
1503
1504 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1505 {
1506 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1507 else
1508 {
1509 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1510 {
1511 if (S_ISDIR( st.st_mode))
1512 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1513 else
1514 st.st_mode &= ~0222; /* clear write permission bits */
1515 }
1516 else
1517 {
1518 /* add write permission only where we already have read permission */
1519 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1520 }
1521 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1522 }
1523 }
1524 }
1525 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1526 break;
1527
1528 case FilePositionInformation:
1529 if (len >= sizeof(FILE_POSITION_INFORMATION))
1530 {
1531 const FILE_POSITION_INFORMATION *info = ptr;
1532
1533 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1534 io->u.Status = FILE_GetNtStatus();
1535 }
1536 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1537 break;
1538
1539 case FileEndOfFileInformation:
1540 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1541 {
1542 struct stat st;
1543 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1544
1545 /* first try normal truncate */
1546 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1547
1548 /* now check for the need to extend the file */
1549 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1550 {
1551 static const char zero;
1552
1553 /* extend the file one byte beyond the requested size and then truncate it */
1554 /* this should work around ftruncate implementations that can't extend files */
1555 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1556 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1557 }
1558 io->u.Status = FILE_GetNtStatus();
1559 }
1560 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1561 break;
1562
1563 case FileMailslotSetInformation:
1564 {
1565 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1566
1567 SERVER_START_REQ( set_mailslot_info )
1568 {
1569 req->handle = handle;
1570 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1571 req->read_timeout = info->ReadTimeout.QuadPart / -10000;
1572 io->u.Status = wine_server_call( req );
1573 }
1574 SERVER_END_REQ;
1575 }
1576 break;
1577
1578 default:
1579 FIXME("Unsupported class (%d)\n", class);
1580 io->u.Status = STATUS_NOT_IMPLEMENTED;
1581 break;
1582 }
1583 if (needs_close) close( fd );
1584 io->Information = 0;
1585 return io->u.Status;
1586 }
1587
1588
1589 /******************************************************************************
1590 * NtQueryFullAttributesFile (NTDLL.@)
1591 */
1592 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1593 FILE_NETWORK_OPEN_INFORMATION *info )
1594 {
1595 ANSI_STRING unix_name;
1596 NTSTATUS status;
1597
1598 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1599 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1600 {
1601 struct stat st;
1602
1603 if (stat( unix_name.Buffer, &st ) == -1)
1604 status = FILE_GetNtStatus();
1605 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1606 status = STATUS_INVALID_INFO_CLASS;
1607 else
1608 {
1609 if (S_ISDIR(st.st_mode))
1610 {
1611 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1612 info->AllocationSize.QuadPart = 0;
1613 info->EndOfFile.QuadPart = 0;
1614 }
1615 else
1616 {
1617 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1618 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1619 info->EndOfFile.QuadPart = st.st_size;
1620 }
1621 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1622 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1623 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1624 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1625 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1626 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1627 if (DIR_is_hidden_file( attr->ObjectName ))
1628 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1629 }
1630 RtlFreeAnsiString( &unix_name );
1631 }
1632 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1633 return status;
1634 }
1635
1636
1637 /******************************************************************************
1638 * NtQueryAttributesFile (NTDLL.@)
1639 * ZwQueryAttributesFile (NTDLL.@)
1640 */
1641 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1642 {
1643 FILE_NETWORK_OPEN_INFORMATION full_info;
1644 NTSTATUS status;
1645
1646 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1647 {
1648 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1649 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1650 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1651 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1652 info->FileAttributes = full_info.FileAttributes;
1653 }
1654 return status;
1655 }
1656
1657
1658 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1659 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1660 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1661 size_t fstypesize, unsigned int flags )
1662 {
1663 if (!strncmp("cd9660", fstypename, fstypesize) ||
1664 !strncmp("udf", fstypename, fstypesize))
1665 {
1666 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1667 /* Don't assume read-only, let the mount options set it below */
1668 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1669 }
1670 else if (!strncmp("nfs", fstypename, fstypesize) ||
1671 !strncmp("nwfs", fstypename, fstypesize) ||
1672 !strncmp("smbfs", fstypename, fstypesize) ||
1673 !strncmp("afpfs", fstypename, fstypesize))
1674 {
1675 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1676 info->Characteristics |= FILE_REMOTE_DEVICE;
1677 }
1678 else if (!strncmp("procfs", fstypename, fstypesize))
1679 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1680 else
1681 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1682
1683 if (flags & MNT_RDONLY)
1684 info->Characteristics |= FILE_READ_ONLY_DEVICE;
1685
1686 if (!(flags & MNT_LOCAL))
1687 {
1688 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1689 info->Characteristics |= FILE_REMOTE_DEVICE;
1690 }
1691 }
1692 #endif
1693
1694 /******************************************************************************
1695 * get_device_info
1696 *
1697 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1698 */
1699 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
1700 {
1701 struct stat st;
1702
1703 info->Characteristics = 0;
1704 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1705 if (S_ISCHR( st.st_mode ))
1706 {
1707 info->DeviceType = FILE_DEVICE_UNKNOWN;
1708 #ifdef linux
1709 switch(major(st.st_rdev))
1710 {
1711 case MEM_MAJOR:
1712 info->DeviceType = FILE_DEVICE_NULL;
1713 break;
1714 case TTY_MAJOR:
1715 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1716 break;
1717 case LP_MAJOR:
1718 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1719 break;
1720 case SCSI_TAPE_MAJOR:
1721 info->DeviceType = FILE_DEVICE_TAPE;
1722 break;
1723 }
1724 #endif
1725 }
1726 else if (S_ISBLK( st.st_mode ))
1727 {
1728 info->DeviceType = FILE_DEVICE_DISK;
1729 }
1730 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1731 {
1732 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1733 }
1734 else /* regular file or directory */
1735 {
1736 #if defined(linux) && defined(HAVE_FSTATFS)
1737 struct statfs stfs;
1738
1739 /* check for floppy disk */
1740 if (major(st.st_dev) == FLOPPY_MAJOR)
1741 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1742
1743 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1744 switch (stfs.f_type)
1745 {
1746 case 0x9660: /* iso9660 */
1747 case 0x9fa1: /* supermount */
1748 case 0x15013346: /* udf */
1749 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1750 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1751 break;
1752 case 0x6969: /* nfs */
1753 case 0x517B: /* smbfs */
1754 case 0x564c: /* ncpfs */
1755 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1756 info->Characteristics |= FILE_REMOTE_DEVICE;
1757 break;
1758 case 0x01021994: /* tmpfs */
1759 case 0x28cd3d45: /* cramfs */
1760 case 0x1373: /* devfs */
1761 case 0x9fa0: /* procfs */
1762 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1763 break;
1764 default:
1765 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1766 break;
1767 }
1768 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
1769 struct statfs stfs;
1770
1771 if (fstatfs( fd, &stfs ) < 0)
1772 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1773 else
1774 get_device_info_fstatfs( info, stfs.f_fstypename,
1775 sizeof(stfs.f_fstypename), stfs.f_flags );
1776 #elif defined(__NetBSD__)
1777 struct statvfs stfs;
1778
1779 if (fstatvfs( fd, &stfs) < 0)
1780 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1781 else
1782 get_device_info_fstatfs( info, stfs.f_fstypename,
1783 sizeof(stfs.f_fstypename), stfs.f_flag );
1784 #elif defined(sun)
1785 /* Use dkio to work out device types */
1786 {
1787 # include <sys/dkio.h>
1788 # include <sys/vtoc.h>
1789 struct dk_cinfo dkinf;
1790 int retval = ioctl(fd, DKIOCINFO, &dkinf);
1791 if(retval==-1){
1792 WARN("Unable to get disk device type information - assuming a disk like device\n");
1793 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1794 }
1795 switch (dkinf.dki_ctype)
1796 {
1797 case DKC_CDROM:
1798 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1799 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1800 break;
1801 case DKC_NCRFLOPPY:
1802 case DKC_SMSFLOPPY:
1803 case DKC_INTEL82072:
1804 case DKC_INTEL82077:
1805 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1806 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1807 break;
1808 case DKC_MD:
1809 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1810 break;
1811 default:
1812 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1813 }
1814 }
1815 #else
1816 static int warned;
1817 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1818 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1819 #endif
1820 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1821 }
1822 return STATUS_SUCCESS;
1823 }
1824
1825
1826 /******************************************************************************
1827 * NtQueryVolumeInformationFile [NTDLL.@]
1828 * ZwQueryVolumeInformationFile [NTDLL.@]
1829 *
1830 * Get volume information for an open file handle.
1831 *
1832 * PARAMS
1833 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1834 * io [O] Receives information about the operation on return
1835 * buffer [O] Destination for volume information
1836 * length [I] Size of FsInformation
1837 * info_class [I] Type of volume information to set
1838 *
1839 * RETURNS
1840 * Success: 0. io and buffer are updated.
1841 * Failure: An NTSTATUS error code describing the error.
1842 */
1843 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1844 PVOID buffer, ULONG length,
1845 FS_INFORMATION_CLASS info_class )
1846 {
1847 int fd, needs_close;
1848 struct stat st;
1849
1850 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1851 return io->u.Status;
1852
1853 io->u.Status = STATUS_NOT_IMPLEMENTED;
1854 io->Information = 0;
1855
1856 switch( info_class )
1857 {
1858 case FileFsVolumeInformation:
1859 FIXME( "%p: volume info not supported\n", handle );
1860 break;
1861 case FileFsLabelInformation:
1862 FIXME( "%p: label info not supported\n", handle );
1863 break;
1864 case FileFsSizeInformation:
1865 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1866 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1867 else
1868 {
1869 FILE_FS_SIZE_INFORMATION *info = buffer;
1870
1871 if (fstat( fd, &st ) < 0)
1872 {
1873 io->u.Status = FILE_GetNtStatus();
1874 break;
1875 }
1876 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1877 {
1878 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1879 }
1880 else
1881 {
1882 /* Linux's fstatvfs is buggy */
1883 #if !defined(linux) || !defined(HAVE_FSTATFS)
1884 struct statvfs stfs;
1885
1886 if (fstatvfs( fd, &stfs ) < 0)
1887 {
1888 io->u.Status = FILE_GetNtStatus();
1889 break;
1890 }
1891 info->BytesPerSector = stfs.f_frsize;
1892 #else
1893 struct statfs stfs;
1894 if (fstatfs( fd, &stfs ) < 0)
1895 {
1896 io->u.Status = FILE_GetNtStatus();
1897 break;
1898 }
1899 info->BytesPerSector = stfs.f_bsize;
1900 #endif
1901 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1902 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1903 info->SectorsPerAllocationUnit = 1;
1904 io->Information = sizeof(*info);
1905 io->u.Status = STATUS_SUCCESS;
1906 }
1907 }
1908 break;
1909 case FileFsDeviceInformation:
1910 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1911 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1912 else
1913 {
1914 FILE_FS_DEVICE_INFORMATION *info = buffer;
1915
1916 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
1917 io->Information = sizeof(*info);
1918 }
1919 break;
1920 case FileFsAttributeInformation:
1921 FIXME( "%p: attribute info not supported\n", handle );
1922 break;
1923 case FileFsControlInformation:
1924 FIXME( "%p: control info not supported\n", handle );
1925 break;
1926 case FileFsFullSizeInformation:
1927 FIXME( "%p: full size info not supported\n", handle );
1928 break;
1929 case FileFsObjectIdInformation:
1930 FIXME( "%p: object id info not supported\n", handle );
1931 break;
1932 case FileFsMaximumInformation:
1933 FIXME( "%p: maximum info not supported\n", handle );
1934 break;
1935 default:
1936 io->u.Status = STATUS_INVALID_PARAMETER;
1937 break;
1938 }
1939 if (needs_close) close( fd );
1940 return io->u.Status;
1941 }
1942
1943
1944 /******************************************************************
1945 * NtFlushBuffersFile (NTDLL.@)
1946 *
1947 * Flush any buffered data on an open file handle.
1948 *
1949 * PARAMS
1950 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1951 * IoStatusBlock [O] Receives information about the operation on return
1952 *
1953 * RETURNS
1954 * Success: 0. IoStatusBlock is updated.
1955 * Failure: An NTSTATUS error code describing the error.
1956 */
1957 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1958 {
1959 NTSTATUS ret;
1960 HANDLE hEvent = NULL;
1961
1962 SERVER_START_REQ( flush_file )
1963 {
1964 req->handle = hFile;
1965 ret = wine_server_call( req );
1966 hEvent = reply->event;
1967 }
1968 SERVER_END_REQ;
1969 if (!ret && hEvent)
1970 {
1971 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1972 NtClose( hEvent );
1973 }
1974 return ret;
1975 }
1976
1977 /******************************************************************
1978 * NtLockFile (NTDLL.@)
1979 *
1980 *
1981 */
1982 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1983 PIO_APC_ROUTINE apc, void* apc_user,
1984 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1985 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1986 BOOLEAN exclusive )
1987 {
1988 NTSTATUS ret;
1989 HANDLE handle;
1990 BOOLEAN async;
1991
1992 if (apc || io_status || key)
1993 {
1994 FIXME("Unimplemented yet parameter\n");
1995 return STATUS_NOT_IMPLEMENTED;
1996 }
1997
1998 for (;;)
1999 {
2000 SERVER_START_REQ( lock_file )
2001 {
2002 req->handle = hFile;
2003 req->offset_low = offset->u.LowPart;
2004 req->offset_high = offset->u.HighPart;
2005 req->count_low = count->u.LowPart;
2006 req->count_high = count->u.HighPart;
2007 req->shared = !exclusive;
2008 req->wait = !dont_wait;
2009 ret = wine_server_call( req );
2010 handle = reply->handle;
2011 async = reply->overlapped;
2012 }
2013 SERVER_END_REQ;
2014 if (ret != STATUS_PENDING)
2015 {
2016 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2017 return ret;
2018 }
2019
2020 if (async)
2021 {
2022 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2023 if (handle) NtClose( handle );
2024 return STATUS_PENDING;
2025 }
2026 if (handle)
2027 {
2028 NtWaitForSingleObject( handle, FALSE, NULL );
2029 NtClose( handle );
2030 }
2031 else
2032 {
2033 LARGE_INTEGER time;
2034
2035 /* Unix lock conflict, sleep a bit and retry */
2036 time.QuadPart = 100 * (ULONGLONG)10000;
2037 time.QuadPart = -time.QuadPart;
2038 NtDelayExecution( FALSE, &time );
2039 }
2040 }
2041 }
2042
2043
2044 /******************************************************************
2045 * NtUnlockFile (NTDLL.@)
2046 *
2047 *
2048 */
2049 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2050 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2051 PULONG key )
2052 {
2053 NTSTATUS status;
2054
2055 TRACE( "%p %x%08x %x%08x\n",
2056 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2057
2058 if (io_status || key)
2059 {
2060 FIXME("Unimplemented yet parameter\n");
2061 return STATUS_NOT_IMPLEMENTED;
2062 }
2063
2064 SERVER_START_REQ( unlock_file )
2065 {
2066 req->handle = hFile;
2067 req->offset_low = offset->u.LowPart;
2068 req->offset_high = offset->u.HighPart;
2069 req->count_low = count->u.LowPart;
2070 req->count_high = count->u.HighPart;
2071 status = wine_server_call( req );
2072 }
2073 SERVER_END_REQ;
2074 return status;
2075 }
2076
2077 /******************************************************************
2078 * NtCreateNamedPipeFile (NTDLL.@)
2079 *
2080 *
2081 */
2082 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2083 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2084 ULONG sharing, ULONG dispo, ULONG options,
2085 ULONG pipe_type, ULONG read_mode,
2086 ULONG completion_mode, ULONG max_inst,
2087 ULONG inbound_quota, ULONG outbound_quota,
2088 PLARGE_INTEGER timeout)
2089 {
2090 NTSTATUS status;
2091 static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
2092
2093 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2094 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2095 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2096 outbound_quota, timeout);
2097
2098 if (attr->ObjectName->Length < sizeof(leadin) ||
2099 strncmpiW( attr->ObjectName->Buffer,
2100 leadin, sizeof(leadin)/sizeof(leadin[0]) ))
2101 return STATUS_OBJECT_NAME_INVALID;
2102 /* assume we only get relative timeout, and storable in a DWORD as ms */
2103 if (timeout->QuadPart > 0 || (timeout->QuadPart / -10000) >> 32)
2104 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2105
2106 SERVER_START_REQ( create_named_pipe )
2107 {
2108 req->access = access;
2109 req->attributes = (attr) ? attr->Attributes : 0;
2110 req->rootdir = attr ? attr->RootDirectory : 0;
2111 req->options = options;
2112 req->flags =
2113 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2114 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2115 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2116 req->maxinstances = max_inst;
2117 req->outsize = outbound_quota;
2118 req->insize = inbound_quota;
2119 req->timeout = timeout->QuadPart / -10000;
2120 wine_server_add_data( req, attr->ObjectName->Buffer,
2121 attr->ObjectName->Length );
2122 status = wine_server_call( req );
2123 if (!status) *handle = reply->handle;
2124 }
2125 SERVER_END_REQ;
2126 return status;
2127 }
2128
2129 /******************************************************************
2130 * NtDeleteFile (NTDLL.@)
2131 *
2132 *
2133 */
2134 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2135 {
2136 NTSTATUS status;
2137 HANDLE hFile;
2138 IO_STATUS_BLOCK io;
2139
2140 TRACE("%p\n", ObjectAttributes);
2141 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2142 ObjectAttributes, &io, NULL, 0,
2143 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2144 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2145 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2146 return status;
2147 }
2148
2149 /******************************************************************
2150 * NtCancelIoFile (NTDLL.@)
2151 *
2152 *
2153 */
2154 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2155 {
2156 LARGE_INTEGER timeout;
2157
2158 TRACE("%p %p\n", hFile, io_status );
2159
2160 SERVER_START_REQ( cancel_async )
2161 {
2162 req->handle = hFile;
2163 wine_server_call( req );
2164 }
2165 SERVER_END_REQ;
2166 /* Let some APC be run, so that we can run the remaining APCs on hFile
2167 * either the cancelation of the pending one, but also the execution
2168 * of the queued APC, but not yet run. This is needed to ensure proper
2169 * clean-up of allocated data.
2170 */
2171 timeout.u.LowPart = timeout.u.HighPart = 0;
2172 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2173 }
2174
2175 /******************************************************************************
2176 * NtCreateMailslotFile [NTDLL.@]
2177 * ZwCreateMailslotFile [NTDLL.@]
2178 *
2179 * PARAMS
2180 * pHandle [O] pointer to receive the handle created
2181 * DesiredAccess [I] access mode (read, write, etc)
2182 * ObjectAttributes [I] fully qualified NT path of the mailslot
2183 * IoStatusBlock [O] receives completion status and other info
2184 * CreateOptions [I]
2185 * MailslotQuota [I]
2186 * MaxMessageSize [I]
2187 * TimeOut [I]
2188 *
2189 * RETURNS
2190 * An NT status code
2191 */
2192 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2193 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2194 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2195 PLARGE_INTEGER TimeOut)
2196 {
2197 static const WCHAR leadin[] = {
2198 '\\','?','?','\\','M','A','I','L','S','L','O','T','\\'};
2199 NTSTATUS ret;
2200
2201 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2202 pHandle, DesiredAccess, attr, IoStatusBlock,
2203 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2204
2205 if (attr->ObjectName->Length < sizeof(leadin) ||
2206 strncmpiW( attr->ObjectName->Buffer,
2207 leadin, sizeof(leadin)/sizeof(leadin[0]) ))
2208 {
2209 return STATUS_OBJECT_NAME_INVALID;
2210 }
2211
2212 SERVER_START_REQ( create_mailslot )
2213 {
2214 req->access = DesiredAccess;
2215 req->attributes = (attr) ? attr->Attributes : 0;
2216 req->rootdir = attr ? attr->RootDirectory : 0;
2217 req->max_msgsize = MaxMessageSize;
2218 req->read_timeout = (TimeOut->QuadPart <= 0) ? TimeOut->QuadPart / -10000 : -1;
2219 wine_server_add_data( req, attr->ObjectName->Buffer,
2220 attr->ObjectName->Length );
2221 ret = wine_server_call( req );
2222 if( ret == STATUS_SUCCESS )
2223 *pHandle = reply->handle;
2224 }
2225 SERVER_END_REQ;
2226
2227 return ret;
2228 }
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