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shell32: Implement IShellView2_CreateViewWindow2.
[wine/multimedia.git] / dlls / ntdll / file.c
blob50fa6516722d36d7b5e7b9039138f5fc47f22c80
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_SYS_IOCTL_H
46 #include <sys/ioctl.h>
47 #endif
48 #ifdef HAVE_SYS_FILIO_H
49 # include <sys/filio.h>
50 #endif
51 #ifdef HAVE_POLL_H
52 #include <poll.h>
53 #endif
54 #ifdef HAVE_SYS_POLL_H
55 #include <sys/poll.h>
56 #endif
57 #ifdef HAVE_SYS_SOCKET_H
58 #include <sys/socket.h>
59 #endif
60 #ifdef HAVE_UTIME_H
61 # include <utime.h>
62 #endif
63 #ifdef HAVE_SYS_VFS_H
64 # include <sys/vfs.h>
65 #endif
66 #ifdef HAVE_SYS_MOUNT_H
67 # include <sys/mount.h>
68 #endif
69 #ifdef HAVE_SYS_STATFS_H
70 # include <sys/statfs.h>
71 #endif
72
73 #define NONAMELESSUNION
74 #define NONAMELESSSTRUCT
75 #include "ntstatus.h"
76 #define WIN32_NO_STATUS
77 #include "wine/unicode.h"
78 #include "wine/debug.h"
79 #include "wine/server.h"
80 #include "ntdll_misc.h"
81
82 #include "winternl.h"
83 #include "winioctl.h"
84 #include "ddk/ntddser.h"
85
86 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
87
88 mode_t FILE_umask = 0;
89
90 #define SECSPERDAY 86400
91 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
92
93 /**************************************************************************
94 * NtOpenFile [NTDLL.@]
95 * ZwOpenFile [NTDLL.@]
96 *
97 * Open a file.
98 *
99 * PARAMS
100 * handle [O] Variable that receives the file handle on return
101 * access [I] Access desired by the caller to the file
102 * attr [I] Structure describing the file to be opened
103 * io [O] Receives details about the result of the operation
104 * sharing [I] Type of shared access the caller requires
105 * options [I] Options for the file open
106 *
107 * RETURNS
108 * Success: 0. FileHandle and IoStatusBlock are updated.
109 * Failure: An NTSTATUS error code describing the error.
110 */
111 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
112 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
113 ULONG sharing, ULONG options )
114 {
115 return NtCreateFile( handle, access, attr, io, NULL, 0,
116 sharing, FILE_OPEN, options, NULL, 0 );
117 }
118
119 /**************************************************************************
120 * NtCreateFile [NTDLL.@]
121 * ZwCreateFile [NTDLL.@]
122 *
123 * Either create a new file or directory, or open an existing file, device,
124 * directory or volume.
125 *
126 * PARAMS
127 * handle [O] Points to a variable which receives the file handle on return
128 * access [I] Desired access to the file
129 * attr [I] Structure describing the file
130 * io [O] Receives information about the operation on return
131 * alloc_size [I] Initial size of the file in bytes
132 * attributes [I] Attributes to create the file with
133 * sharing [I] Type of shared access the caller would like to the file
134 * disposition [I] Specifies what to do, depending on whether the file already exists
135 * options [I] Options for creating a new file
136 * ea_buffer [I] Pointer to an extended attributes buffer
137 * ea_length [I] Length of ea_buffer
138 *
139 * RETURNS
140 * Success: 0. handle and io are updated.
141 * Failure: An NTSTATUS error code describing the error.
142 */
143 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
144 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
145 ULONG attributes, ULONG sharing, ULONG disposition,
146 ULONG options, PVOID ea_buffer, ULONG ea_length )
147 {
148 ANSI_STRING unix_name;
149 int created = FALSE;
150
151 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
152 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
153 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
154 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
155 attributes, sharing, disposition, options, ea_buffer, ea_length );
156
157 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
158
159 if (alloc_size) FIXME( "alloc_size not supported\n" );
160
161 if (attr->RootDirectory)
162 {
163 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
164 return STATUS_OBJECT_NAME_NOT_FOUND;
165 }
166
167 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
168 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
169
170 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
171 {
172 SERVER_START_REQ( open_file_object )
173 {
174 req->access = access;
175 req->attributes = attr->Attributes;
176 req->rootdir = attr->RootDirectory;
177 req->sharing = sharing;
178 req->options = options;
179 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
180 io->u.Status = wine_server_call( req );
181 *handle = reply->handle;
182 }
183 SERVER_END_REQ;
184 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
185 return io->u.Status;
186 }
187
188 if (io->u.Status == STATUS_NO_SUCH_FILE &&
189 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
190 {
191 created = TRUE;
192 io->u.Status = STATUS_SUCCESS;
193 }
194
195 if (io->u.Status == STATUS_SUCCESS)
196 {
197 struct security_descriptor *sd = NULL;
198 struct object_attributes objattr;
199
200 objattr.rootdir = 0;
201 objattr.sd_len = 0;
202 objattr.name_len = 0;
203 if (attr)
204 {
205 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
206 if (io->u.Status != STATUS_SUCCESS)
207 {
208 RtlFreeAnsiString( &unix_name );
209 return io->u.Status;
210 }
211 }
212
213 SERVER_START_REQ( create_file )
214 {
215 req->access = access;
216 req->attributes = attr->Attributes;
217 req->sharing = sharing;
218 req->create = disposition;
219 req->options = options;
220 req->attrs = attributes;
221 wine_server_add_data( req, &objattr, sizeof(objattr) );
222 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
223 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
224 io->u.Status = wine_server_call( req );
225 *handle = reply->handle;
226 }
227 SERVER_END_REQ;
228 NTDLL_free_struct_sd( sd );
229 RtlFreeAnsiString( &unix_name );
230 }
231 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
232
233 if (io->u.Status == STATUS_SUCCESS)
234 {
235 if (created) io->Information = FILE_CREATED;
236 else switch(disposition)
237 {
238 case FILE_SUPERSEDE:
239 io->Information = FILE_SUPERSEDED;
240 break;
241 case FILE_CREATE:
242 io->Information = FILE_CREATED;
243 break;
244 case FILE_OPEN:
245 case FILE_OPEN_IF:
246 io->Information = FILE_OPENED;
247 break;
248 case FILE_OVERWRITE:
249 case FILE_OVERWRITE_IF:
250 io->Information = FILE_OVERWRITTEN;
251 break;
252 }
253 }
254
255 return io->u.Status;
256 }
257
258 /***********************************************************************
259 * Asynchronous file I/O *
260 */
261
262 struct async_fileio
263 {
264 HANDLE handle;
265 PIO_APC_ROUTINE apc;
266 void *apc_arg;
267 };
268
269 typedef struct
270 {
271 struct async_fileio io;
272 char* buffer;
273 unsigned int already;
274 unsigned int count;
275 BOOL avail_mode;
276 } async_fileio_read;
277
278 typedef struct
279 {
280 struct async_fileio io;
281 const char *buffer;
282 unsigned int already;
283 unsigned int count;
284 } async_fileio_write;
285
286
287 /* callback for file I/O user APC */
288 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
289 {
290 struct async_fileio *async = arg;
291 if (async->apc) async->apc( async->apc_arg, io, reserved );
292 RtlFreeHeap( GetProcessHeap(), 0, async );
293 }
294
295 /***********************************************************************
296 * FILE_GetNtStatus(void)
297 *
298 * Retrieve the Nt Status code from errno.
299 * Try to be consistent with FILE_SetDosError().
300 */
301 NTSTATUS FILE_GetNtStatus(void)
302 {
303 int err = errno;
304
305 TRACE( "errno = %d\n", errno );
306 switch (err)
307 {
308 case EAGAIN: return STATUS_SHARING_VIOLATION;
309 case EBADF: return STATUS_INVALID_HANDLE;
310 case EBUSY: return STATUS_DEVICE_BUSY;
311 case ENOSPC: return STATUS_DISK_FULL;
312 case EPERM:
313 case EROFS:
314 case EACCES: return STATUS_ACCESS_DENIED;
315 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
316 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
317 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
318 case EMFILE:
319 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
320 case EINVAL: return STATUS_INVALID_PARAMETER;
321 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
322 case EPIPE: return STATUS_PIPE_DISCONNECTED;
323 case EIO: return STATUS_DEVICE_NOT_READY;
324 #ifdef ENOMEDIUM
325 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
326 #endif
327 case ENXIO: return STATUS_NO_SUCH_DEVICE;
328 case ENOTTY:
329 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
330 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
331 case EFAULT: return STATUS_ACCESS_VIOLATION;
332 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
333 case ENOEXEC: /* ?? */
334 case EEXIST: /* ?? */
335 default:
336 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
337 return STATUS_UNSUCCESSFUL;
338 }
339 }
340
341 /***********************************************************************
342 * FILE_AsyncReadService (INTERNAL)
343 */
344 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, ULONG_PTR *total)
345 {
346 async_fileio_read *fileio = user;
347 int fd, needs_close, result;
348
349 switch (status)
350 {
351 case STATUS_ALERTED: /* got some new data */
352 /* check to see if the data is ready (non-blocking) */
353 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
354 &needs_close, NULL, NULL )))
355 break;
356
357 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
358 if (needs_close) close( fd );
359
360 if (result < 0)
361 {
362 if (errno == EAGAIN || errno == EINTR)
363 status = STATUS_PENDING;
364 else /* check to see if the transfer is complete */
365 status = FILE_GetNtStatus();
366 }
367 else if (result == 0)
368 {
369 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
370 }
371 else
372 {
373 fileio->already += result;
374 if (fileio->already >= fileio->count || fileio->avail_mode)
375 status = STATUS_SUCCESS;
376 else
377 {
378 /* if we only have to read the available data, and none is available,
379 * simply cancel the request. If data was available, it has been read
380 * while in by previous call (NtDelayExecution)
381 */
382 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
383 }
384 }
385 break;
386
387 case STATUS_TIMEOUT:
388 case STATUS_IO_TIMEOUT:
389 if (fileio->already) status = STATUS_SUCCESS;
390 break;
391 }
392 if (status != STATUS_PENDING)
393 {
394 iosb->u.Status = status;
395 iosb->Information = *total = fileio->already;
396 }
397 return status;
398 }
399
400 struct io_timeouts
401 {
402 int interval; /* max interval between two bytes */
403 int total; /* total timeout for the whole operation */
404 int end_time; /* absolute time of end of operation */
405 };
406
407 /* retrieve the I/O timeouts to use for a given handle */
408 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
409 struct io_timeouts *timeouts )
410 {
411 NTSTATUS status = STATUS_SUCCESS;
412
413 timeouts->interval = timeouts->total = -1;
414
415 switch(type)
416 {
417 case FD_TYPE_SERIAL:
418 {
419 /* GetCommTimeouts */
420 SERIAL_TIMEOUTS st;
421 IO_STATUS_BLOCK io;
422
423 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
424 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
425 if (status) break;
426
427 if (is_read)
428 {
429 if (st.ReadIntervalTimeout)
430 timeouts->interval = st.ReadIntervalTimeout;
431
432 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
433 {
434 timeouts->total = st.ReadTotalTimeoutConstant;
435 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
436 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
437 }
438 else if (st.ReadIntervalTimeout == MAXDWORD)
439 timeouts->interval = timeouts->total = 0;
440 }
441 else /* write */
442 {
443 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
444 {
445 timeouts->total = st.WriteTotalTimeoutConstant;
446 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
447 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
448 }
449 }
450 }
451 break;
452 case FD_TYPE_MAILSLOT:
453 if (is_read)
454 {
455 timeouts->interval = 0; /* return as soon as we got something */
456 SERVER_START_REQ( set_mailslot_info )
457 {
458 req->handle = handle;
459 req->flags = 0;
460 if (!(status = wine_server_call( req )) &&
461 reply->read_timeout != TIMEOUT_INFINITE)
462 timeouts->total = reply->read_timeout / -10000;
463 }
464 SERVER_END_REQ;
465 }
466 break;
467 case FD_TYPE_SOCKET:
468 case FD_TYPE_PIPE:
469 case FD_TYPE_CHAR:
470 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
471 break;
472 default:
473 break;
474 }
475 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
476 return STATUS_SUCCESS;
477 }
478
479
480 /* retrieve the timeout for the next wait, in milliseconds */
481 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
482 {
483 int ret = -1;
484
485 if (timeouts->total != -1)
486 {
487 ret = timeouts->end_time - NtGetTickCount();
488 if (ret < 0) ret = 0;
489 }
490 if (already && timeouts->interval != -1)
491 {
492 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
493 }
494 return ret;
495 }
496
497
498 /* retrieve the avail_mode flag for async reads */
499 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
500 {
501 NTSTATUS status = STATUS_SUCCESS;
502
503 switch(type)
504 {
505 case FD_TYPE_SERIAL:
506 {
507 /* GetCommTimeouts */
508 SERIAL_TIMEOUTS st;
509 IO_STATUS_BLOCK io;
510
511 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
512 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
513 if (status) break;
514 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
515 !st.ReadTotalTimeoutConstant &&
516 st.ReadIntervalTimeout == MAXDWORD);
517 }
518 break;
519 case FD_TYPE_MAILSLOT:
520 case FD_TYPE_SOCKET:
521 case FD_TYPE_PIPE:
522 case FD_TYPE_CHAR:
523 *avail_mode = TRUE;
524 break;
525 default:
526 *avail_mode = FALSE;
527 break;
528 }
529 return status;
530 }
531
532
533 /******************************************************************************
534 * NtReadFile [NTDLL.@]
535 * ZwReadFile [NTDLL.@]
536 *
537 * Read from an open file handle.
538 *
539 * PARAMS
540 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
541 * Event [I] Event to signal upon completion (or NULL)
542 * ApcRoutine [I] Callback to call upon completion (or NULL)
543 * ApcContext [I] Context for ApcRoutine (or NULL)
544 * IoStatusBlock [O] Receives information about the operation on return
545 * Buffer [O] Destination for the data read
546 * Length [I] Size of Buffer
547 * ByteOffset [O] Destination for the new file pointer position (or NULL)
548 * Key [O] Function unknown (may be NULL)
549 *
550 * RETURNS
551 * Success: 0. IoStatusBlock is updated, and the Information member contains
552 * The number of bytes read.
553 * Failure: An NTSTATUS error code describing the error.
554 */
555 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
556 PIO_APC_ROUTINE apc, void* apc_user,
557 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
558 PLARGE_INTEGER offset, PULONG key)
559 {
560 int result, unix_handle, needs_close, timeout_init_done = 0;
561 unsigned int options;
562 struct io_timeouts timeouts;
563 NTSTATUS status;
564 ULONG total = 0;
565 enum server_fd_type type;
566 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
567
568 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
569 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
570
571 if (!io_status) return STATUS_ACCESS_VIOLATION;
572
573 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
574 &needs_close, &type, &options );
575 if (status) return status;
576
577 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
578 {
579 /* async I/O doesn't make sense on regular files */
580 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
581 {
582 if (errno != EINTR)
583 {
584 status = FILE_GetNtStatus();
585 goto done;
586 }
587 }
588 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
589 /* update file pointer position */
590 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
591
592 total = result;
593 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
594 goto done;
595 }
596
597 for (;;)
598 {
599 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
600 {
601 total += result;
602 if (!result || total == length)
603 {
604 if (total)
605 {
606 status = STATUS_SUCCESS;
607 goto done;
608 }
609 switch (type)
610 {
611 case FD_TYPE_FILE:
612 case FD_TYPE_CHAR:
613 status = STATUS_END_OF_FILE;
614 goto done;
615 case FD_TYPE_SERIAL:
616 break;
617 default:
618 status = STATUS_PIPE_BROKEN;
619 goto done;
620 }
621 }
622 }
623 else
624 {
625 if (errno == EINTR) continue;
626 if (errno != EAGAIN)
627 {
628 status = FILE_GetNtStatus();
629 goto done;
630 }
631 }
632
633 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
634 {
635 async_fileio_read *fileio;
636 BOOL avail_mode;
637
638 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
639 goto err;
640 if (total && avail_mode)
641 {
642 status = STATUS_SUCCESS;
643 goto done;
644 }
645
646 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
647 {
648 status = STATUS_NO_MEMORY;
649 goto err;
650 }
651 fileio->io.handle = hFile;
652 fileio->io.apc = apc;
653 fileio->io.apc_arg = apc_user;
654 fileio->already = total;
655 fileio->count = length;
656 fileio->buffer = buffer;
657 fileio->avail_mode = avail_mode;
658
659 SERVER_START_REQ( register_async )
660 {
661 req->handle = hFile;
662 req->type = ASYNC_TYPE_READ;
663 req->count = length;
664 req->async.callback = FILE_AsyncReadService;
665 req->async.iosb = io_status;
666 req->async.arg = fileio;
667 req->async.apc = fileio_apc;
668 req->async.event = hEvent;
669 req->async.cvalue = cvalue;
670 status = wine_server_call( req );
671 }
672 SERVER_END_REQ;
673
674 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
675 goto err;
676 }
677 else /* synchronous read, wait for the fd to become ready */
678 {
679 struct pollfd pfd;
680 int ret, timeout;
681
682 if (!timeout_init_done)
683 {
684 timeout_init_done = 1;
685 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
686 goto err;
687 if (hEvent) NtResetEvent( hEvent, NULL );
688 }
689 timeout = get_next_io_timeout( &timeouts, total );
690
691 pfd.fd = unix_handle;
692 pfd.events = POLLIN;
693
694 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
695 {
696 if (total) /* return with what we got so far */
697 status = STATUS_SUCCESS;
698 else
699 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
700 goto done;
701 }
702 if (ret == -1 && errno != EINTR)
703 {
704 status = FILE_GetNtStatus();
705 goto done;
706 }
707 /* will now restart the read */
708 }
709 }
710
711 done:
712 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
713
714 err:
715 if (needs_close) close( unix_handle );
716 if (status == STATUS_SUCCESS)
717 {
718 io_status->u.Status = status;
719 io_status->Information = total;
720 TRACE("= SUCCESS (%u)\n", total);
721 if (hEvent) NtSetEvent( hEvent, NULL );
722 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
723 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
724 }
725 else
726 {
727 TRACE("= 0x%08x\n", status);
728 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
729 }
730 return status;
731 }
732
733
734 /******************************************************************************
735 * NtReadFileScatter [NTDLL.@]
736 * ZwReadFileScatter [NTDLL.@]
737 */
738 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
739 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
740 ULONG length, PLARGE_INTEGER offset, PULONG key )
741 {
742 size_t page_size = getpagesize();
743 int result, unix_handle, needs_close;
744 unsigned int options;
745 NTSTATUS status;
746 ULONG pos = 0, total = 0;
747 enum server_fd_type type;
748 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
749
750 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
751 file, event, apc, apc_user, io_status, segments, length, offset, key);
752
753 if (length % page_size) return STATUS_INVALID_PARAMETER;
754 if (!io_status) return STATUS_ACCESS_VIOLATION;
755
756 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
757 &needs_close, &type, &options );
758 if (status) return status;
759
760 if ((type != FD_TYPE_FILE) ||
761 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
762 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
763 {
764 status = STATUS_INVALID_PARAMETER;
765 goto error;
766 }
767
768 while (length)
769 {
770 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
771 result = pread( unix_handle, (char *)segments->Buffer + pos,
772 page_size - pos, offset->QuadPart + total );
773 else
774 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
775
776 if (result == -1)
777 {
778 if (errno == EINTR) continue;
779 status = FILE_GetNtStatus();
780 break;
781 }
782 if (!result)
783 {
784 status = STATUS_END_OF_FILE;
785 break;
786 }
787 total += result;
788 length -= result;
789 if ((pos += result) == page_size)
790 {
791 pos = 0;
792 segments++;
793 }
794 }
795
796 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
797
798 error:
799 if (needs_close) close( unix_handle );
800 if (status == STATUS_SUCCESS)
801 {
802 io_status->u.Status = status;
803 io_status->Information = total;
804 TRACE("= SUCCESS (%u)\n", total);
805 if (event) NtSetEvent( event, NULL );
806 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
807 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
808 }
809 else
810 {
811 TRACE("= 0x%08x\n", status);
812 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
813 }
814 return status;
815 }
816
817
818 /***********************************************************************
819 * FILE_AsyncWriteService (INTERNAL)
820 */
821 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, ULONG_PTR *total)
822 {
823 async_fileio_write *fileio = user;
824 int result, fd, needs_close;
825 enum server_fd_type type;
826
827 switch (status)
828 {
829 case STATUS_ALERTED:
830 /* write some data (non-blocking) */
831 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
832 &needs_close, &type, NULL )))
833 break;
834
835 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
836 result = send( fd, fileio->buffer, 0, 0 );
837 else
838 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
839
840 if (needs_close) close( fd );
841
842 if (result < 0)
843 {
844 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
845 else status = FILE_GetNtStatus();
846 }
847 else
848 {
849 fileio->already += result;
850 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
851 }
852 break;
853
854 case STATUS_TIMEOUT:
855 case STATUS_IO_TIMEOUT:
856 if (fileio->already) status = STATUS_SUCCESS;
857 break;
858 }
859 if (status != STATUS_PENDING)
860 {
861 iosb->u.Status = status;
862 iosb->Information = *total = fileio->already;
863 }
864 return status;
865 }
866
867 /******************************************************************************
868 * NtWriteFile [NTDLL.@]
869 * ZwWriteFile [NTDLL.@]
870 *
871 * Write to an open file handle.
872 *
873 * PARAMS
874 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
875 * Event [I] Event to signal upon completion (or NULL)
876 * ApcRoutine [I] Callback to call upon completion (or NULL)
877 * ApcContext [I] Context for ApcRoutine (or NULL)
878 * IoStatusBlock [O] Receives information about the operation on return
879 * Buffer [I] Source for the data to write
880 * Length [I] Size of Buffer
881 * ByteOffset [O] Destination for the new file pointer position (or NULL)
882 * Key [O] Function unknown (may be NULL)
883 *
884 * RETURNS
885 * Success: 0. IoStatusBlock is updated, and the Information member contains
886 * The number of bytes written.
887 * Failure: An NTSTATUS error code describing the error.
888 */
889 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
890 PIO_APC_ROUTINE apc, void* apc_user,
891 PIO_STATUS_BLOCK io_status,
892 const void* buffer, ULONG length,
893 PLARGE_INTEGER offset, PULONG key)
894 {
895 int result, unix_handle, needs_close, timeout_init_done = 0;
896 unsigned int options;
897 struct io_timeouts timeouts;
898 NTSTATUS status;
899 ULONG total = 0;
900 enum server_fd_type type;
901 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
902
903 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
904 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
905
906 if (!io_status) return STATUS_ACCESS_VIOLATION;
907
908 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
909 &needs_close, &type, &options );
910 if (status) return status;
911
912 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
913 {
914 /* async I/O doesn't make sense on regular files */
915 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
916 {
917 if (errno != EINTR)
918 {
919 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
920 else status = FILE_GetNtStatus();
921 goto done;
922 }
923 }
924
925 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
926 /* update file pointer position */
927 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
928
929 total = result;
930 status = STATUS_SUCCESS;
931 goto done;
932 }
933
934 for (;;)
935 {
936 /* zero-length writes on sockets may not work with plain write(2) */
937 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
938 result = send( unix_handle, buffer, 0, 0 );
939 else
940 result = write( unix_handle, (const char *)buffer + total, length - total );
941
942 if (result >= 0)
943 {
944 total += result;
945 if (total == length)
946 {
947 status = STATUS_SUCCESS;
948 goto done;
949 }
950 }
951 else
952 {
953 if (errno == EINTR) continue;
954 if (errno != EAGAIN)
955 {
956 if (errno == EFAULT)
957 {
958 status = STATUS_INVALID_USER_BUFFER;
959 goto err;
960 }
961 status = FILE_GetNtStatus();
962 goto done;
963 }
964 }
965
966 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
967 {
968 async_fileio_write *fileio;
969
970 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
971 {
972 status = STATUS_NO_MEMORY;
973 goto err;
974 }
975 fileio->io.handle = hFile;
976 fileio->io.apc = apc;
977 fileio->io.apc_arg = apc_user;
978 fileio->already = total;
979 fileio->count = length;
980 fileio->buffer = buffer;
981
982 SERVER_START_REQ( register_async )
983 {
984 req->handle = hFile;
985 req->type = ASYNC_TYPE_WRITE;
986 req->count = length;
987 req->async.callback = FILE_AsyncWriteService;
988 req->async.iosb = io_status;
989 req->async.arg = fileio;
990 req->async.apc = fileio_apc;
991 req->async.event = hEvent;
992 req->async.cvalue = cvalue;
993 status = wine_server_call( req );
994 }
995 SERVER_END_REQ;
996
997 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
998 goto err;
999 }
1000 else /* synchronous write, wait for the fd to become ready */
1001 {
1002 struct pollfd pfd;
1003 int ret, timeout;
1004
1005 if (!timeout_init_done)
1006 {
1007 timeout_init_done = 1;
1008 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1009 goto err;
1010 if (hEvent) NtResetEvent( hEvent, NULL );
1011 }
1012 timeout = get_next_io_timeout( &timeouts, total );
1013
1014 pfd.fd = unix_handle;
1015 pfd.events = POLLOUT;
1016
1017 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1018 {
1019 /* return with what we got so far */
1020 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1021 goto done;
1022 }
1023 if (ret == -1 && errno != EINTR)
1024 {
1025 status = FILE_GetNtStatus();
1026 goto done;
1027 }
1028 /* will now restart the write */
1029 }
1030 }
1031
1032 done:
1033 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
1034
1035 err:
1036 if (needs_close) close( unix_handle );
1037 if (status == STATUS_SUCCESS)
1038 {
1039 io_status->u.Status = status;
1040 io_status->Information = total;
1041 TRACE("= SUCCESS (%u)\n", total);
1042 if (hEvent) NtSetEvent( hEvent, NULL );
1043 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1044 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1045 }
1046 else
1047 {
1048 TRACE("= 0x%08x\n", status);
1049 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1050 }
1051 return status;
1052 }
1053
1054
1055 /******************************************************************************
1056 * NtWriteFileGather [NTDLL.@]
1057 * ZwWriteFileGather [NTDLL.@]
1058 */
1059 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1060 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1061 ULONG length, PLARGE_INTEGER offset, PULONG key )
1062 {
1063 size_t page_size = getpagesize();
1064 int result, unix_handle, needs_close;
1065 unsigned int options;
1066 NTSTATUS status;
1067 ULONG pos = 0, total = 0;
1068 enum server_fd_type type;
1069 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1070
1071 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1072 file, event, apc, apc_user, io_status, segments, length, offset, key);
1073
1074 if (length % page_size) return STATUS_INVALID_PARAMETER;
1075 if (!io_status) return STATUS_ACCESS_VIOLATION;
1076
1077 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1078 &needs_close, &type, &options );
1079 if (status) return status;
1080
1081 if ((type != FD_TYPE_FILE) ||
1082 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1083 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1084 {
1085 status = STATUS_INVALID_PARAMETER;
1086 goto error;
1087 }
1088
1089 while (length)
1090 {
1091 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1092 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1093 page_size - pos, offset->QuadPart + total );
1094 else
1095 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1096
1097 if (result == -1)
1098 {
1099 if (errno == EINTR) continue;
1100 if (errno == EFAULT)
1101 {
1102 status = STATUS_INVALID_USER_BUFFER;
1103 goto error;
1104 }
1105 status = FILE_GetNtStatus();
1106 break;
1107 }
1108 if (!result)
1109 {
1110 status = STATUS_DISK_FULL;
1111 break;
1112 }
1113 total += result;
1114 length -= result;
1115 if ((pos += result) == page_size)
1116 {
1117 pos = 0;
1118 segments++;
1119 }
1120 }
1121
1122 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
1123
1124 error:
1125 if (needs_close) close( unix_handle );
1126 if (status == STATUS_SUCCESS)
1127 {
1128 io_status->u.Status = status;
1129 io_status->Information = total;
1130 TRACE("= SUCCESS (%u)\n", total);
1131 if (event) NtSetEvent( event, NULL );
1132 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1133 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1134 }
1135 else
1136 {
1137 TRACE("= 0x%08x\n", status);
1138 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1139 }
1140 return status;
1141 }
1142
1143
1144 struct async_ioctl
1145 {
1146 HANDLE handle; /* handle to the device */
1147 void *buffer; /* buffer for output */
1148 ULONG size; /* size of buffer */
1149 PIO_APC_ROUTINE apc; /* user apc params */
1150 void *apc_arg;
1151 };
1152
1153 /* callback for ioctl async I/O completion */
1154 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
1155 {
1156 struct async_ioctl *async = arg;
1157
1158 if (status == STATUS_ALERTED)
1159 {
1160 SERVER_START_REQ( get_ioctl_result )
1161 {
1162 req->handle = async->handle;
1163 req->user_arg = async;
1164 wine_server_set_reply( req, async->buffer, async->size );
1165 if (!(status = wine_server_call( req )))
1166 io->Information = wine_server_reply_size( reply );
1167 }
1168 SERVER_END_REQ;
1169 }
1170 if (status != STATUS_PENDING) io->u.Status = status;
1171 return status;
1172 }
1173
1174 /* callback for ioctl user APC */
1175 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1176 {
1177 struct async_ioctl *async = arg;
1178 if (async->apc) async->apc( async->apc_arg, io, reserved );
1179 RtlFreeHeap( GetProcessHeap(), 0, async );
1180 }
1181
1182 /* do a ioctl call through the server */
1183 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1184 PIO_APC_ROUTINE apc, PVOID apc_context,
1185 IO_STATUS_BLOCK *io, ULONG code,
1186 const void *in_buffer, ULONG in_size,
1187 PVOID out_buffer, ULONG out_size )
1188 {
1189 struct async_ioctl *async;
1190 NTSTATUS status;
1191 HANDLE wait_handle;
1192 ULONG options;
1193 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1194
1195 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1196 return STATUS_NO_MEMORY;
1197 async->handle = handle;
1198 async->buffer = out_buffer;
1199 async->size = out_size;
1200 async->apc = apc;
1201 async->apc_arg = apc_context;
1202
1203 SERVER_START_REQ( ioctl )
1204 {
1205 req->handle = handle;
1206 req->code = code;
1207 req->async.callback = ioctl_completion;
1208 req->async.iosb = io;
1209 req->async.arg = async;
1210 req->async.apc = (apc || event) ? ioctl_apc : NULL;
1211 req->async.event = event;
1212 req->async.cvalue = cvalue;
1213 wine_server_add_data( req, in_buffer, in_size );
1214 wine_server_set_reply( req, out_buffer, out_size );
1215 if (!(status = wine_server_call( req )))
1216 io->Information = wine_server_reply_size( reply );
1217 wait_handle = reply->wait;
1218 options = reply->options;
1219 }
1220 SERVER_END_REQ;
1221
1222 if (status == STATUS_NOT_SUPPORTED)
1223 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1224 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1225
1226 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1227
1228 if (wait_handle)
1229 {
1230 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1231 status = io->u.Status;
1232 NtClose( wait_handle );
1233 RtlFreeHeap( GetProcessHeap(), 0, async );
1234 }
1235
1236 return status;
1237 }
1238
1239
1240 /**************************************************************************
1241 * NtDeviceIoControlFile [NTDLL.@]
1242 * ZwDeviceIoControlFile [NTDLL.@]
1243 *
1244 * Perform an I/O control operation on an open file handle.
1245 *
1246 * PARAMS
1247 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1248 * event [I] Event to signal upon completion (or NULL)
1249 * apc [I] Callback to call upon completion (or NULL)
1250 * apc_context [I] Context for ApcRoutine (or NULL)
1251 * io [O] Receives information about the operation on return
1252 * code [I] Control code for the operation to perform
1253 * in_buffer [I] Source for any input data required (or NULL)
1254 * in_size [I] Size of InputBuffer
1255 * out_buffer [O] Source for any output data returned (or NULL)
1256 * out_size [I] Size of OutputBuffer
1257 *
1258 * RETURNS
1259 * Success: 0. IoStatusBlock is updated.
1260 * Failure: An NTSTATUS error code describing the error.
1261 */
1262 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1263 PIO_APC_ROUTINE apc, PVOID apc_context,
1264 PIO_STATUS_BLOCK io, ULONG code,
1265 PVOID in_buffer, ULONG in_size,
1266 PVOID out_buffer, ULONG out_size)
1267 {
1268 ULONG device = (code >> 16);
1269 NTSTATUS status = STATUS_NOT_SUPPORTED;
1270
1271 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1272 handle, event, apc, apc_context, io, code,
1273 in_buffer, in_size, out_buffer, out_size);
1274
1275 switch(device)
1276 {
1277 case FILE_DEVICE_DISK:
1278 case FILE_DEVICE_CD_ROM:
1279 case FILE_DEVICE_DVD:
1280 case FILE_DEVICE_CONTROLLER:
1281 case FILE_DEVICE_MASS_STORAGE:
1282 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1283 in_buffer, in_size, out_buffer, out_size);
1284 break;
1285 case FILE_DEVICE_SERIAL_PORT:
1286 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1287 in_buffer, in_size, out_buffer, out_size);
1288 break;
1289 case FILE_DEVICE_TAPE:
1290 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1291 in_buffer, in_size, out_buffer, out_size);
1292 break;
1293 }
1294
1295 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1296 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1297 in_buffer, in_size, out_buffer, out_size );
1298
1299 if (status != STATUS_PENDING) io->u.Status = status;
1300 return status;
1301 }
1302
1303
1304 /**************************************************************************
1305 * NtFsControlFile [NTDLL.@]
1306 * ZwFsControlFile [NTDLL.@]
1307 *
1308 * Perform a file system control operation on an open file handle.
1309 *
1310 * PARAMS
1311 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1312 * event [I] Event to signal upon completion (or NULL)
1313 * apc [I] Callback to call upon completion (or NULL)
1314 * apc_context [I] Context for ApcRoutine (or NULL)
1315 * io [O] Receives information about the operation on return
1316 * code [I] Control code for the operation to perform
1317 * in_buffer [I] Source for any input data required (or NULL)
1318 * in_size [I] Size of InputBuffer
1319 * out_buffer [O] Source for any output data returned (or NULL)
1320 * out_size [I] Size of OutputBuffer
1321 *
1322 * RETURNS
1323 * Success: 0. IoStatusBlock is updated.
1324 * Failure: An NTSTATUS error code describing the error.
1325 */
1326 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1327 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1328 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1329 {
1330 NTSTATUS status;
1331
1332 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1333 handle, event, apc, apc_context, io, code,
1334 in_buffer, in_size, out_buffer, out_size);
1335
1336 if (!io) return STATUS_INVALID_PARAMETER;
1337
1338 switch(code)
1339 {
1340 case FSCTL_DISMOUNT_VOLUME:
1341 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1342 in_buffer, in_size, out_buffer, out_size );
1343 if (!status) status = DIR_unmount_device( handle );
1344 break;
1345
1346 case FSCTL_PIPE_PEEK:
1347 {
1348 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1349 int avail = 0, fd, needs_close;
1350
1351 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1352 {
1353 status = STATUS_INFO_LENGTH_MISMATCH;
1354 break;
1355 }
1356
1357 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1358 break;
1359
1360 #ifdef FIONREAD
1361 if (ioctl( fd, FIONREAD, &avail ) != 0)
1362 {
1363 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1364 if (needs_close) close( fd );
1365 status = FILE_GetNtStatus();
1366 break;
1367 }
1368 #endif
1369 if (!avail) /* check for closed pipe */
1370 {
1371 struct pollfd pollfd;
1372 int ret;
1373
1374 pollfd.fd = fd;
1375 pollfd.events = POLLIN;
1376 pollfd.revents = 0;
1377 ret = poll( &pollfd, 1, 0 );
1378 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1379 {
1380 if (needs_close) close( fd );
1381 status = STATUS_PIPE_BROKEN;
1382 break;
1383 }
1384 }
1385 buffer->NamedPipeState = 0; /* FIXME */
1386 buffer->ReadDataAvailable = avail;
1387 buffer->NumberOfMessages = 0; /* FIXME */
1388 buffer->MessageLength = 0; /* FIXME */
1389 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1390 status = STATUS_SUCCESS;
1391 if (avail)
1392 {
1393 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1394 if (data_size)
1395 {
1396 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1397 if (res >= 0) io->Information += res;
1398 }
1399 }
1400 if (needs_close) close( fd );
1401 }
1402 break;
1403
1404 case FSCTL_PIPE_DISCONNECT:
1405 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1406 in_buffer, in_size, out_buffer, out_size );
1407 if (!status)
1408 {
1409 int fd = server_remove_fd_from_cache( handle );
1410 if (fd != -1) close( fd );
1411 }
1412 break;
1413
1414 case FSCTL_PIPE_IMPERSONATE:
1415 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1416 status = RtlImpersonateSelf( SecurityImpersonation );
1417 break;
1418
1419 case FSCTL_LOCK_VOLUME:
1420 case FSCTL_UNLOCK_VOLUME:
1421 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1422 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1423 status = STATUS_SUCCESS;
1424 break;
1425
1426 case FSCTL_PIPE_LISTEN:
1427 case FSCTL_PIPE_WAIT:
1428 default:
1429 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1430 in_buffer, in_size, out_buffer, out_size );
1431 break;
1432 }
1433
1434 if (status != STATUS_PENDING) io->u.Status = status;
1435 return status;
1436 }
1437
1438 /******************************************************************************
1439 * NtSetVolumeInformationFile [NTDLL.@]
1440 * ZwSetVolumeInformationFile [NTDLL.@]
1441 *
1442 * Set volume information for an open file handle.
1443 *
1444 * PARAMS
1445 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1446 * IoStatusBlock [O] Receives information about the operation on return
1447 * FsInformation [I] Source for volume information
1448 * Length [I] Size of FsInformation
1449 * FsInformationClass [I] Type of volume information to set
1450 *
1451 * RETURNS
1452 * Success: 0. IoStatusBlock is updated.
1453 * Failure: An NTSTATUS error code describing the error.
1454 */
1455 NTSTATUS WINAPI NtSetVolumeInformationFile(
1456 IN HANDLE FileHandle,
1457 PIO_STATUS_BLOCK IoStatusBlock,
1458 PVOID FsInformation,
1459 ULONG Length,
1460 FS_INFORMATION_CLASS FsInformationClass)
1461 {
1462 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1463 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1464 return 0;
1465 }
1466
1467 /******************************************************************************
1468 * NtQueryInformationFile [NTDLL.@]
1469 * ZwQueryInformationFile [NTDLL.@]
1470 *
1471 * Get information about an open file handle.
1472 *
1473 * PARAMS
1474 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1475 * io [O] Receives information about the operation on return
1476 * ptr [O] Destination for file information
1477 * len [I] Size of FileInformation
1478 * class [I] Type of file information to get
1479 *
1480 * RETURNS
1481 * Success: 0. IoStatusBlock and FileInformation are updated.
1482 * Failure: An NTSTATUS error code describing the error.
1483 */
1484 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1485 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1486 {
1487 static const size_t info_sizes[] =
1488 {
1489 0,
1490 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1491 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1492 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1493 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1494 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1495 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1496 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1497 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1498 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1499 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1500 0, /* FileLinkInformation */
1501 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1502 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1503 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1504 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1505 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1506 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1507 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1508 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1509 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1510 0, /* FileAlternateNameInformation */
1511 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1512 0, /* FilePipeInformation */
1513 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1514 0, /* FilePipeRemoteInformation */
1515 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1516 0, /* FileMailslotSetInformation */
1517 0, /* FileCompressionInformation */
1518 0, /* FileObjectIdInformation */
1519 0, /* FileCompletionInformation */
1520 0, /* FileMoveClusterInformation */
1521 0, /* FileQuotaInformation */
1522 0, /* FileReparsePointInformation */
1523 0, /* FileNetworkOpenInformation */
1524 0, /* FileAttributeTagInformation */
1525 0 /* FileTrackingInformation */
1526 };
1527
1528 struct stat st;
1529 int fd, needs_close = FALSE;
1530
1531 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1532
1533 io->Information = 0;
1534
1535 if (class <= 0 || class >= FileMaximumInformation)
1536 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1537 if (!info_sizes[class])
1538 {
1539 FIXME("Unsupported class (%d)\n", class);
1540 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1541 }
1542 if (len < info_sizes[class])
1543 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1544
1545 if (class != FilePipeLocalInformation)
1546 {
1547 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1548 return io->u.Status;
1549 }
1550
1551 switch (class)
1552 {
1553 case FileBasicInformation:
1554 {
1555 FILE_BASIC_INFORMATION *info = ptr;
1556
1557 if (fstat( fd, &st ) == -1)
1558 io->u.Status = FILE_GetNtStatus();
1559 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1560 io->u.Status = STATUS_INVALID_INFO_CLASS;
1561 else
1562 {
1563 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1564 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1565 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1566 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1567 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1568 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1569 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1570 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1571 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1572 info->CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1573 info->LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1574 #endif
1575 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1576 info->ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1577 #endif
1578 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1579 info->LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1580 #endif
1581 }
1582 }
1583 break;
1584 case FileStandardInformation:
1585 {
1586 FILE_STANDARD_INFORMATION *info = ptr;
1587
1588 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1589 else
1590 {
1591 if ((info->Directory = S_ISDIR(st.st_mode)))
1592 {
1593 info->AllocationSize.QuadPart = 0;
1594 info->EndOfFile.QuadPart = 0;
1595 info->NumberOfLinks = 1;
1596 info->DeletePending = FALSE;
1597 }
1598 else
1599 {
1600 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1601 info->EndOfFile.QuadPart = st.st_size;
1602 info->NumberOfLinks = st.st_nlink;
1603 info->DeletePending = FALSE; /* FIXME */
1604 }
1605 }
1606 }
1607 break;
1608 case FilePositionInformation:
1609 {
1610 FILE_POSITION_INFORMATION *info = ptr;
1611 off_t res = lseek( fd, 0, SEEK_CUR );
1612 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1613 else info->CurrentByteOffset.QuadPart = res;
1614 }
1615 break;
1616 case FileInternalInformation:
1617 {
1618 FILE_INTERNAL_INFORMATION *info = ptr;
1619
1620 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1621 else info->IndexNumber.QuadPart = st.st_ino;
1622 }
1623 break;
1624 case FileEaInformation:
1625 {
1626 FILE_EA_INFORMATION *info = ptr;
1627 info->EaSize = 0;
1628 }
1629 break;
1630 case FileEndOfFileInformation:
1631 {
1632 FILE_END_OF_FILE_INFORMATION *info = ptr;
1633
1634 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1635 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1636 }
1637 break;
1638 case FileAllInformation:
1639 {
1640 FILE_ALL_INFORMATION *info = ptr;
1641
1642 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1643 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1644 io->u.Status = STATUS_INVALID_INFO_CLASS;
1645 else
1646 {
1647 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1648 {
1649 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1650 info->StandardInformation.AllocationSize.QuadPart = 0;
1651 info->StandardInformation.EndOfFile.QuadPart = 0;
1652 info->StandardInformation.NumberOfLinks = 1;
1653 info->StandardInformation.DeletePending = FALSE;
1654 }
1655 else
1656 {
1657 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1658 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1659 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1660 info->StandardInformation.NumberOfLinks = st.st_nlink;
1661 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1662 }
1663 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1664 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1665 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1666 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1667 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1668 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1669 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1670 info->BasicInformation.CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1671 info->BasicInformation.LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1672 #endif
1673 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1674 info->BasicInformation.ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1675 #endif
1676 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1677 info->BasicInformation.LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1678 #endif
1679 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1680 info->EaInformation.EaSize = 0;
1681 info->AccessInformation.AccessFlags = 0; /* FIXME */
1682 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1683 info->ModeInformation.Mode = 0; /* FIXME */
1684 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1685 info->NameInformation.FileNameLength = 0;
1686 io->Information = sizeof(*info) - sizeof(WCHAR);
1687 }
1688 }
1689 break;
1690 case FileMailslotQueryInformation:
1691 {
1692 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1693
1694 SERVER_START_REQ( set_mailslot_info )
1695 {
1696 req->handle = hFile;
1697 req->flags = 0;
1698 io->u.Status = wine_server_call( req );
1699 if( io->u.Status == STATUS_SUCCESS )
1700 {
1701 info->MaximumMessageSize = reply->max_msgsize;
1702 info->MailslotQuota = 0;
1703 info->NextMessageSize = 0;
1704 info->MessagesAvailable = 0;
1705 info->ReadTimeout.QuadPart = reply->read_timeout;
1706 }
1707 }
1708 SERVER_END_REQ;
1709 if (!io->u.Status)
1710 {
1711 char *tmpbuf;
1712 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1713 if (size > 0x10000) size = 0x10000;
1714 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1715 {
1716 int fd, needs_close;
1717 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1718 {
1719 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1720 info->MessagesAvailable = (res > 0);
1721 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1722 if (needs_close) close( fd );
1723 }
1724 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1725 }
1726 }
1727 }
1728 break;
1729 case FilePipeLocalInformation:
1730 {
1731 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1732
1733 SERVER_START_REQ( get_named_pipe_info )
1734 {
1735 req->handle = hFile;
1736 if (!(io->u.Status = wine_server_call( req )))
1737 {
1738 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1739 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1740 pli->NamedPipeConfiguration = 0; /* FIXME */
1741 pli->MaximumInstances = reply->maxinstances;
1742 pli->CurrentInstances = reply->instances;
1743 pli->InboundQuota = reply->insize;
1744 pli->ReadDataAvailable = 0; /* FIXME */
1745 pli->OutboundQuota = reply->outsize;
1746 pli->WriteQuotaAvailable = 0; /* FIXME */
1747 pli->NamedPipeState = 0; /* FIXME */
1748 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1749 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1750 }
1751 }
1752 SERVER_END_REQ;
1753 }
1754 break;
1755 default:
1756 FIXME("Unsupported class (%d)\n", class);
1757 io->u.Status = STATUS_NOT_IMPLEMENTED;
1758 break;
1759 }
1760 if (needs_close) close( fd );
1761 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1762 return io->u.Status;
1763 }
1764
1765 /******************************************************************************
1766 * NtSetInformationFile [NTDLL.@]
1767 * ZwSetInformationFile [NTDLL.@]
1768 *
1769 * Set information about an open file handle.
1770 *
1771 * PARAMS
1772 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1773 * io [O] Receives information about the operation on return
1774 * ptr [I] Source for file information
1775 * len [I] Size of FileInformation
1776 * class [I] Type of file information to set
1777 *
1778 * RETURNS
1779 * Success: 0. io is updated.
1780 * Failure: An NTSTATUS error code describing the error.
1781 */
1782 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1783 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1784 {
1785 int fd, needs_close;
1786
1787 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1788
1789 io->u.Status = STATUS_SUCCESS;
1790 switch (class)
1791 {
1792 case FileBasicInformation:
1793 if (len >= sizeof(FILE_BASIC_INFORMATION))
1794 {
1795 struct stat st;
1796 const FILE_BASIC_INFORMATION *info = ptr;
1797
1798 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1799 return io->u.Status;
1800
1801 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1802 {
1803 ULONGLONG sec, nsec;
1804 struct timeval tv[2];
1805
1806 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1807 {
1808
1809 tv[0].tv_sec = tv[0].tv_usec = 0;
1810 tv[1].tv_sec = tv[1].tv_usec = 0;
1811 if (!fstat( fd, &st ))
1812 {
1813 tv[0].tv_sec = st.st_atime;
1814 tv[1].tv_sec = st.st_mtime;
1815 }
1816 }
1817 if (info->LastAccessTime.QuadPart)
1818 {
1819 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1820 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1821 tv[0].tv_usec = (UINT)nsec / 10;
1822 }
1823 if (info->LastWriteTime.QuadPart)
1824 {
1825 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1826 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1827 tv[1].tv_usec = (UINT)nsec / 10;
1828 }
1829 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1830 }
1831
1832 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1833 {
1834 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1835 else
1836 {
1837 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1838 {
1839 if (S_ISDIR( st.st_mode))
1840 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1841 else
1842 st.st_mode &= ~0222; /* clear write permission bits */
1843 }
1844 else
1845 {
1846 /* add write permission only where we already have read permission */
1847 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1848 }
1849 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1850 }
1851 }
1852
1853 if (needs_close) close( fd );
1854 }
1855 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1856 break;
1857
1858 case FilePositionInformation:
1859 if (len >= sizeof(FILE_POSITION_INFORMATION))
1860 {
1861 const FILE_POSITION_INFORMATION *info = ptr;
1862
1863 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1864 return io->u.Status;
1865
1866 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1867 io->u.Status = FILE_GetNtStatus();
1868
1869 if (needs_close) close( fd );
1870 }
1871 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1872 break;
1873
1874 case FileEndOfFileInformation:
1875 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1876 {
1877 struct stat st;
1878 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1879
1880 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1881 return io->u.Status;
1882
1883 /* first try normal truncate */
1884 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1885
1886 /* now check for the need to extend the file */
1887 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1888 {
1889 static const char zero;
1890
1891 /* extend the file one byte beyond the requested size and then truncate it */
1892 /* this should work around ftruncate implementations that can't extend files */
1893 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1894 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1895 }
1896 io->u.Status = FILE_GetNtStatus();
1897
1898 if (needs_close) close( fd );
1899 }
1900 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1901 break;
1902
1903 case FileMailslotSetInformation:
1904 {
1905 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1906
1907 SERVER_START_REQ( set_mailslot_info )
1908 {
1909 req->handle = handle;
1910 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1911 req->read_timeout = info->ReadTimeout.QuadPart;
1912 io->u.Status = wine_server_call( req );
1913 }
1914 SERVER_END_REQ;
1915 }
1916 break;
1917
1918 case FileCompletionInformation:
1919 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1920 {
1921 FILE_COMPLETION_INFORMATION *info = (FILE_COMPLETION_INFORMATION *)ptr;
1922
1923 SERVER_START_REQ( set_completion_info )
1924 {
1925 req->handle = handle;
1926 req->chandle = info->CompletionPort;
1927 req->ckey = info->CompletionKey;
1928 io->u.Status = wine_server_call( req );
1929 }
1930 SERVER_END_REQ;
1931 } else
1932 io->u.Status = STATUS_INVALID_PARAMETER_3;
1933 break;
1934
1935 default:
1936 FIXME("Unsupported class (%d)\n", class);
1937 io->u.Status = STATUS_NOT_IMPLEMENTED;
1938 break;
1939 }
1940 io->Information = 0;
1941 return io->u.Status;
1942 }
1943
1944
1945 /******************************************************************************
1946 * NtQueryFullAttributesFile (NTDLL.@)
1947 */
1948 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1949 FILE_NETWORK_OPEN_INFORMATION *info )
1950 {
1951 ANSI_STRING unix_name;
1952 NTSTATUS status;
1953
1954 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1955 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1956 {
1957 struct stat st;
1958
1959 if (stat( unix_name.Buffer, &st ) == -1)
1960 status = FILE_GetNtStatus();
1961 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1962 status = STATUS_INVALID_INFO_CLASS;
1963 else
1964 {
1965 if (S_ISDIR(st.st_mode))
1966 {
1967 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1968 info->AllocationSize.QuadPart = 0;
1969 info->EndOfFile.QuadPart = 0;
1970 }
1971 else
1972 {
1973 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1974 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1975 info->EndOfFile.QuadPart = st.st_size;
1976 }
1977 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1978 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1979 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1980 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1981 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1982 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1983 if (DIR_is_hidden_file( attr->ObjectName ))
1984 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1985 }
1986 RtlFreeAnsiString( &unix_name );
1987 }
1988 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1989 return status;
1990 }
1991
1992
1993 /******************************************************************************
1994 * NtQueryAttributesFile (NTDLL.@)
1995 * ZwQueryAttributesFile (NTDLL.@)
1996 */
1997 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1998 {
1999 FILE_NETWORK_OPEN_INFORMATION full_info;
2000 NTSTATUS status;
2001
2002 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
2003 {
2004 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
2005 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
2006 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
2007 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
2008 info->FileAttributes = full_info.FileAttributes;
2009 }
2010 return status;
2011 }
2012
2013
2014 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
2015 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2016 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2017 unsigned int flags )
2018 {
2019 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2020 {
2021 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2022 /* Don't assume read-only, let the mount options set it below */
2023 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2024 }
2025 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2026 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2027 {
2028 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2029 info->Characteristics |= FILE_REMOTE_DEVICE;
2030 }
2031 else if (!strcmp("procfs", fstypename))
2032 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2033 else
2034 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2035
2036 if (flags & MNT_RDONLY)
2037 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2038
2039 if (!(flags & MNT_LOCAL))
2040 {
2041 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2042 info->Characteristics |= FILE_REMOTE_DEVICE;
2043 }
2044 }
2045 #endif
2046
2047 static inline int is_device_placeholder( int fd )
2048 {
2049 static const char wine_placeholder[] = "Wine device placeholder";
2050 char buffer[sizeof(wine_placeholder)-1];
2051
2052 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2053 return 0;
2054 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2055 }
2056
2057 /******************************************************************************
2058 * get_device_info
2059 *
2060 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2061 */
2062 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2063 {
2064 struct stat st;
2065
2066 info->Characteristics = 0;
2067 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2068 if (S_ISCHR( st.st_mode ))
2069 {
2070 info->DeviceType = FILE_DEVICE_UNKNOWN;
2071 #ifdef linux
2072 switch(major(st.st_rdev))
2073 {
2074 case MEM_MAJOR:
2075 info->DeviceType = FILE_DEVICE_NULL;
2076 break;
2077 case TTY_MAJOR:
2078 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2079 break;
2080 case LP_MAJOR:
2081 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2082 break;
2083 case SCSI_TAPE_MAJOR:
2084 info->DeviceType = FILE_DEVICE_TAPE;
2085 break;
2086 }
2087 #endif
2088 }
2089 else if (S_ISBLK( st.st_mode ))
2090 {
2091 info->DeviceType = FILE_DEVICE_DISK;
2092 }
2093 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2094 {
2095 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2096 }
2097 else if (is_device_placeholder( fd ))
2098 {
2099 info->DeviceType = FILE_DEVICE_DISK;
2100 }
2101 else /* regular file or directory */
2102 {
2103 #if defined(linux) && defined(HAVE_FSTATFS)
2104 struct statfs stfs;
2105
2106 /* check for floppy disk */
2107 if (major(st.st_dev) == FLOPPY_MAJOR)
2108 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2109
2110 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2111 switch (stfs.f_type)
2112 {
2113 case 0x9660: /* iso9660 */
2114 case 0x9fa1: /* supermount */
2115 case 0x15013346: /* udf */
2116 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2117 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2118 break;
2119 case 0x6969: /* nfs */
2120 case 0x517B: /* smbfs */
2121 case 0x564c: /* ncpfs */
2122 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2123 info->Characteristics |= FILE_REMOTE_DEVICE;
2124 break;
2125 case 0x01021994: /* tmpfs */
2126 case 0x28cd3d45: /* cramfs */
2127 case 0x1373: /* devfs */
2128 case 0x9fa0: /* procfs */
2129 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2130 break;
2131 default:
2132 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2133 break;
2134 }
2135 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
2136 struct statfs stfs;
2137
2138 if (fstatfs( fd, &stfs ) < 0)
2139 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2140 else
2141 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2142 #elif defined(__NetBSD__)
2143 struct statvfs stfs;
2144
2145 if (fstatvfs( fd, &stfs) < 0)
2146 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2147 else
2148 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2149 #elif defined(sun)
2150 /* Use dkio to work out device types */
2151 {
2152 # include <sys/dkio.h>
2153 # include <sys/vtoc.h>
2154 struct dk_cinfo dkinf;
2155 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2156 if(retval==-1){
2157 WARN("Unable to get disk device type information - assuming a disk like device\n");
2158 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2159 }
2160 switch (dkinf.dki_ctype)
2161 {
2162 case DKC_CDROM:
2163 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2164 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2165 break;
2166 case DKC_NCRFLOPPY:
2167 case DKC_SMSFLOPPY:
2168 case DKC_INTEL82072:
2169 case DKC_INTEL82077:
2170 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2171 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2172 break;
2173 case DKC_MD:
2174 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2175 break;
2176 default:
2177 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2178 }
2179 }
2180 #else
2181 static int warned;
2182 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2183 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2184 #endif
2185 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2186 }
2187 return STATUS_SUCCESS;
2188 }
2189
2190
2191 /******************************************************************************
2192 * NtQueryVolumeInformationFile [NTDLL.@]
2193 * ZwQueryVolumeInformationFile [NTDLL.@]
2194 *
2195 * Get volume information for an open file handle.
2196 *
2197 * PARAMS
2198 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2199 * io [O] Receives information about the operation on return
2200 * buffer [O] Destination for volume information
2201 * length [I] Size of FsInformation
2202 * info_class [I] Type of volume information to set
2203 *
2204 * RETURNS
2205 * Success: 0. io and buffer are updated.
2206 * Failure: An NTSTATUS error code describing the error.
2207 */
2208 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2209 PVOID buffer, ULONG length,
2210 FS_INFORMATION_CLASS info_class )
2211 {
2212 int fd, needs_close;
2213 struct stat st;
2214
2215 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2216 return io->u.Status;
2217
2218 io->u.Status = STATUS_NOT_IMPLEMENTED;
2219 io->Information = 0;
2220
2221 switch( info_class )
2222 {
2223 case FileFsVolumeInformation:
2224 FIXME( "%p: volume info not supported\n", handle );
2225 break;
2226 case FileFsLabelInformation:
2227 FIXME( "%p: label info not supported\n", handle );
2228 break;
2229 case FileFsSizeInformation:
2230 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2231 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2232 else
2233 {
2234 FILE_FS_SIZE_INFORMATION *info = buffer;
2235
2236 if (fstat( fd, &st ) < 0)
2237 {
2238 io->u.Status = FILE_GetNtStatus();
2239 break;
2240 }
2241 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2242 {
2243 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2244 }
2245 else
2246 {
2247 ULONGLONG bsize;
2248 /* Linux's fstatvfs is buggy */
2249 #if !defined(linux) || !defined(HAVE_FSTATFS)
2250 struct statvfs stfs;
2251
2252 if (fstatvfs( fd, &stfs ) < 0)
2253 {
2254 io->u.Status = FILE_GetNtStatus();
2255 break;
2256 }
2257 bsize = stfs.f_frsize;
2258 #else
2259 struct statfs stfs;
2260 if (fstatfs( fd, &stfs ) < 0)
2261 {
2262 io->u.Status = FILE_GetNtStatus();
2263 break;
2264 }
2265 bsize = stfs.f_bsize;
2266 #endif
2267 if (bsize == 2048) /* assume CD-ROM */
2268 {
2269 info->BytesPerSector = 2048;
2270 info->SectorsPerAllocationUnit = 1;
2271 }
2272 else
2273 {
2274 info->BytesPerSector = 512;
2275 info->SectorsPerAllocationUnit = 8;
2276 }
2277 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2278 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2279 io->Information = sizeof(*info);
2280 io->u.Status = STATUS_SUCCESS;
2281 }
2282 }
2283 break;
2284 case FileFsDeviceInformation:
2285 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2286 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2287 else
2288 {
2289 FILE_FS_DEVICE_INFORMATION *info = buffer;
2290
2291 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2292 io->Information = sizeof(*info);
2293 }
2294 break;
2295 case FileFsAttributeInformation:
2296 FIXME( "%p: attribute info not supported\n", handle );
2297 break;
2298 case FileFsControlInformation:
2299 FIXME( "%p: control info not supported\n", handle );
2300 break;
2301 case FileFsFullSizeInformation:
2302 FIXME( "%p: full size info not supported\n", handle );
2303 break;
2304 case FileFsObjectIdInformation:
2305 FIXME( "%p: object id info not supported\n", handle );
2306 break;
2307 case FileFsMaximumInformation:
2308 FIXME( "%p: maximum info not supported\n", handle );
2309 break;
2310 default:
2311 io->u.Status = STATUS_INVALID_PARAMETER;
2312 break;
2313 }
2314 if (needs_close) close( fd );
2315 return io->u.Status;
2316 }
2317
2318
2319 /******************************************************************
2320 * NtQueryEaFile (NTDLL.@)
2321 *
2322 * Read extended attributes from NTFS files.
2323 *
2324 * PARAMS
2325 * hFile [I] File handle, must be opened with FILE_READ_EA access
2326 * iosb [O] Receives information about the operation on return
2327 * buffer [O] Output buffer
2328 * length [I] Length of output buffer
2329 * single_entry [I] Only read and return one entry
2330 * ea_list [I] Optional list with names of EAs to return
2331 * ea_list_len [I] Length of ea_list in bytes
2332 * ea_index [I] Optional pointer to 1-based index of attribute to return
2333 * restart [I] restart EA scan
2334 *
2335 * RETURNS
2336 * Success: 0. Atrributes read into buffer
2337 * Failure: An NTSTATUS error code describing the error.
2338 */
2339 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2340 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2341 PULONG ea_index, BOOLEAN restart )
2342 {
2343 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2344 hFile, iosb, buffer, length, single_entry, ea_list,
2345 ea_list_len, ea_index, restart);
2346 return STATUS_ACCESS_DENIED;
2347 }
2348
2349
2350 /******************************************************************
2351 * NtSetEaFile (NTDLL.@)
2352 *
2353 * Update extended attributes for NTFS files.
2354 *
2355 * PARAMS
2356 * hFile [I] File handle, must be opened with FILE_READ_EA access
2357 * iosb [O] Receives information about the operation on return
2358 * buffer [I] Buffer with EA information
2359 * length [I] Length of buffer
2360 *
2361 * RETURNS
2362 * Success: 0. Attributes are updated
2363 * Failure: An NTSTATUS error code describing the error.
2364 */
2365 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2366 {
2367 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2368 return STATUS_ACCESS_DENIED;
2369 }
2370
2371
2372 /******************************************************************
2373 * NtFlushBuffersFile (NTDLL.@)
2374 *
2375 * Flush any buffered data on an open file handle.
2376 *
2377 * PARAMS
2378 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2379 * IoStatusBlock [O] Receives information about the operation on return
2380 *
2381 * RETURNS
2382 * Success: 0. IoStatusBlock is updated.
2383 * Failure: An NTSTATUS error code describing the error.
2384 */
2385 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2386 {
2387 NTSTATUS ret;
2388 HANDLE hEvent = NULL;
2389
2390 SERVER_START_REQ( flush_file )
2391 {
2392 req->handle = hFile;
2393 ret = wine_server_call( req );
2394 hEvent = reply->event;
2395 }
2396 SERVER_END_REQ;
2397 if (!ret && hEvent)
2398 {
2399 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2400 NtClose( hEvent );
2401 }
2402 return ret;
2403 }
2404
2405 /******************************************************************
2406 * NtLockFile (NTDLL.@)
2407 *
2408 *
2409 */
2410 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2411 PIO_APC_ROUTINE apc, void* apc_user,
2412 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2413 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2414 BOOLEAN exclusive )
2415 {
2416 NTSTATUS ret;
2417 HANDLE handle;
2418 BOOLEAN async;
2419 static BOOLEAN warn = TRUE;
2420
2421 if (apc || io_status || key)
2422 {
2423 FIXME("Unimplemented yet parameter\n");
2424 return STATUS_NOT_IMPLEMENTED;
2425 }
2426
2427 if (apc_user && warn)
2428 {
2429 FIXME("I/O completion on lock not implemented yet\n");
2430 warn = FALSE;
2431 }
2432
2433 for (;;)
2434 {
2435 SERVER_START_REQ( lock_file )
2436 {
2437 req->handle = hFile;
2438 req->offset = offset->QuadPart;
2439 req->count = count->QuadPart;
2440 req->shared = !exclusive;
2441 req->wait = !dont_wait;
2442 ret = wine_server_call( req );
2443 handle = reply->handle;
2444 async = reply->overlapped;
2445 }
2446 SERVER_END_REQ;
2447 if (ret != STATUS_PENDING)
2448 {
2449 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2450 return ret;
2451 }
2452
2453 if (async)
2454 {
2455 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2456 if (handle) NtClose( handle );
2457 return STATUS_PENDING;
2458 }
2459 if (handle)
2460 {
2461 NtWaitForSingleObject( handle, FALSE, NULL );
2462 NtClose( handle );
2463 }
2464 else
2465 {
2466 LARGE_INTEGER time;
2467
2468 /* Unix lock conflict, sleep a bit and retry */
2469 time.QuadPart = 100 * (ULONGLONG)10000;
2470 time.QuadPart = -time.QuadPart;
2471 NtDelayExecution( FALSE, &time );
2472 }
2473 }
2474 }
2475
2476
2477 /******************************************************************
2478 * NtUnlockFile (NTDLL.@)
2479 *
2480 *
2481 */
2482 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2483 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2484 PULONG key )
2485 {
2486 NTSTATUS status;
2487
2488 TRACE( "%p %x%08x %x%08x\n",
2489 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2490
2491 if (io_status || key)
2492 {
2493 FIXME("Unimplemented yet parameter\n");
2494 return STATUS_NOT_IMPLEMENTED;
2495 }
2496
2497 SERVER_START_REQ( unlock_file )
2498 {
2499 req->handle = hFile;
2500 req->offset = offset->QuadPart;
2501 req->count = count->QuadPart;
2502 status = wine_server_call( req );
2503 }
2504 SERVER_END_REQ;
2505 return status;
2506 }
2507
2508 /******************************************************************
2509 * NtCreateNamedPipeFile (NTDLL.@)
2510 *
2511 *
2512 */
2513 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2514 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2515 ULONG sharing, ULONG dispo, ULONG options,
2516 ULONG pipe_type, ULONG read_mode,
2517 ULONG completion_mode, ULONG max_inst,
2518 ULONG inbound_quota, ULONG outbound_quota,
2519 PLARGE_INTEGER timeout)
2520 {
2521 NTSTATUS status;
2522
2523 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2524 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2525 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2526 outbound_quota, timeout);
2527
2528 /* assume we only get relative timeout */
2529 if (timeout->QuadPart > 0)
2530 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2531
2532 SERVER_START_REQ( create_named_pipe )
2533 {
2534 req->access = access;
2535 req->attributes = attr->Attributes;
2536 req->rootdir = attr->RootDirectory;
2537 req->options = options;
2538 req->flags =
2539 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2540 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2541 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2542 req->maxinstances = max_inst;
2543 req->outsize = outbound_quota;
2544 req->insize = inbound_quota;
2545 req->timeout = timeout->QuadPart;
2546 wine_server_add_data( req, attr->ObjectName->Buffer,
2547 attr->ObjectName->Length );
2548 status = wine_server_call( req );
2549 if (!status) *handle = reply->handle;
2550 }
2551 SERVER_END_REQ;
2552 return status;
2553 }
2554
2555 /******************************************************************
2556 * NtDeleteFile (NTDLL.@)
2557 *
2558 *
2559 */
2560 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2561 {
2562 NTSTATUS status;
2563 HANDLE hFile;
2564 IO_STATUS_BLOCK io;
2565
2566 TRACE("%p\n", ObjectAttributes);
2567 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2568 ObjectAttributes, &io, NULL, 0,
2569 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2570 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2571 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2572 return status;
2573 }
2574
2575 /******************************************************************
2576 * NtCancelIoFile (NTDLL.@)
2577 *
2578 *
2579 */
2580 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2581 {
2582 LARGE_INTEGER timeout;
2583
2584 TRACE("%p %p\n", hFile, io_status );
2585
2586 SERVER_START_REQ( cancel_async )
2587 {
2588 req->handle = hFile;
2589 wine_server_call( req );
2590 }
2591 SERVER_END_REQ;
2592 /* Let some APC be run, so that we can run the remaining APCs on hFile
2593 * either the cancelation of the pending one, but also the execution
2594 * of the queued APC, but not yet run. This is needed to ensure proper
2595 * clean-up of allocated data.
2596 */
2597 timeout.u.LowPart = timeout.u.HighPart = 0;
2598 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2599 }
2600
2601 /******************************************************************************
2602 * NtCreateMailslotFile [NTDLL.@]
2603 * ZwCreateMailslotFile [NTDLL.@]
2604 *
2605 * PARAMS
2606 * pHandle [O] pointer to receive the handle created
2607 * DesiredAccess [I] access mode (read, write, etc)
2608 * ObjectAttributes [I] fully qualified NT path of the mailslot
2609 * IoStatusBlock [O] receives completion status and other info
2610 * CreateOptions [I]
2611 * MailslotQuota [I]
2612 * MaxMessageSize [I]
2613 * TimeOut [I]
2614 *
2615 * RETURNS
2616 * An NT status code
2617 */
2618 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2619 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2620 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2621 PLARGE_INTEGER TimeOut)
2622 {
2623 LARGE_INTEGER timeout;
2624 NTSTATUS ret;
2625
2626 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2627 pHandle, DesiredAccess, attr, IoStatusBlock,
2628 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2629
2630 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2631 if (!attr) return STATUS_INVALID_PARAMETER;
2632 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2633
2634 /*
2635 * For a NULL TimeOut pointer set the default timeout value
2636 */
2637 if (!TimeOut)
2638 timeout.QuadPart = -1;
2639 else
2640 timeout.QuadPart = TimeOut->QuadPart;
2641
2642 SERVER_START_REQ( create_mailslot )
2643 {
2644 req->access = DesiredAccess;
2645 req->attributes = attr->Attributes;
2646 req->rootdir = attr->RootDirectory;
2647 req->max_msgsize = MaxMessageSize;
2648 req->read_timeout = timeout.QuadPart;
2649 wine_server_add_data( req, attr->ObjectName->Buffer,
2650 attr->ObjectName->Length );
2651 ret = wine_server_call( req );
2652 if( ret == STATUS_SUCCESS )
2653 *pHandle = reply->handle;
2654 }
2655 SERVER_END_REQ;
2656
2657 return ret;
2658 }
Maarten's multimedia branch