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kernel32: Completely get rid of ENHANCED_KEY entry in the keymap.
[wine/multimedia.git] / dlls / ntdll / file.c
blobecba665d08f6114a68df2770e37cf1b0c0de6b75
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 (io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
163 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )) == STATUS_BAD_DEVICE_TYPE)
164 {
165 SERVER_START_REQ( open_file_object )
166 {
167 req->access = access;
168 req->attributes = attr->Attributes;
169 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
170 req->sharing = sharing;
171 req->options = options;
172 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
173 io->u.Status = wine_server_call( req );
174 *handle = wine_server_ptr_handle( reply->handle );
175 }
176 SERVER_END_REQ;
177 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
178 return io->u.Status;
179 }
180
181 if (io->u.Status == STATUS_NO_SUCH_FILE &&
182 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
183 {
184 created = TRUE;
185 io->u.Status = STATUS_SUCCESS;
186 }
187
188 if (io->u.Status == STATUS_SUCCESS)
189 {
190 struct security_descriptor *sd = NULL;
191 struct object_attributes objattr;
192
193 objattr.rootdir = 0;
194 objattr.sd_len = 0;
195 objattr.name_len = 0;
196 if (attr)
197 {
198 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
199 if (io->u.Status != STATUS_SUCCESS)
200 {
201 RtlFreeAnsiString( &unix_name );
202 return io->u.Status;
203 }
204 }
205
206 SERVER_START_REQ( create_file )
207 {
208 req->access = access;
209 req->attributes = attr->Attributes;
210 req->sharing = sharing;
211 req->create = disposition;
212 req->options = options;
213 req->attrs = attributes;
214 wine_server_add_data( req, &objattr, sizeof(objattr) );
215 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
216 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
217 io->u.Status = wine_server_call( req );
218 *handle = wine_server_ptr_handle( reply->handle );
219 }
220 SERVER_END_REQ;
221 NTDLL_free_struct_sd( sd );
222 RtlFreeAnsiString( &unix_name );
223 }
224 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
225
226 if (io->u.Status == STATUS_SUCCESS)
227 {
228 if (created) io->Information = FILE_CREATED;
229 else switch(disposition)
230 {
231 case FILE_SUPERSEDE:
232 io->Information = FILE_SUPERSEDED;
233 break;
234 case FILE_CREATE:
235 io->Information = FILE_CREATED;
236 break;
237 case FILE_OPEN:
238 case FILE_OPEN_IF:
239 io->Information = FILE_OPENED;
240 break;
241 case FILE_OVERWRITE:
242 case FILE_OVERWRITE_IF:
243 io->Information = FILE_OVERWRITTEN;
244 break;
245 }
246 }
247
248 return io->u.Status;
249 }
250
251 /***********************************************************************
252 * Asynchronous file I/O *
253 */
254
255 struct async_fileio
256 {
257 HANDLE handle;
258 PIO_APC_ROUTINE apc;
259 void *apc_arg;
260 };
261
262 typedef struct
263 {
264 struct async_fileio io;
265 char* buffer;
266 unsigned int already;
267 unsigned int count;
268 BOOL avail_mode;
269 } async_fileio_read;
270
271 typedef struct
272 {
273 struct async_fileio io;
274 const char *buffer;
275 unsigned int already;
276 unsigned int count;
277 } async_fileio_write;
278
279
280 /* callback for file I/O user APC */
281 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
282 {
283 struct async_fileio *async = arg;
284 if (async->apc) async->apc( async->apc_arg, io, reserved );
285 RtlFreeHeap( GetProcessHeap(), 0, async );
286 }
287
288 /***********************************************************************
289 * FILE_GetNtStatus(void)
290 *
291 * Retrieve the Nt Status code from errno.
292 * Try to be consistent with FILE_SetDosError().
293 */
294 NTSTATUS FILE_GetNtStatus(void)
295 {
296 int err = errno;
297
298 TRACE( "errno = %d\n", errno );
299 switch (err)
300 {
301 case EAGAIN: return STATUS_SHARING_VIOLATION;
302 case EBADF: return STATUS_INVALID_HANDLE;
303 case EBUSY: return STATUS_DEVICE_BUSY;
304 case ENOSPC: return STATUS_DISK_FULL;
305 case EPERM:
306 case EROFS:
307 case EACCES: return STATUS_ACCESS_DENIED;
308 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
309 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
310 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
311 case EMFILE:
312 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
313 case EINVAL: return STATUS_INVALID_PARAMETER;
314 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
315 case EPIPE: return STATUS_PIPE_DISCONNECTED;
316 case EIO: return STATUS_DEVICE_NOT_READY;
317 #ifdef ENOMEDIUM
318 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
319 #endif
320 case ENXIO: return STATUS_NO_SUCH_DEVICE;
321 case ENOTTY:
322 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
323 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
324 case EFAULT: return STATUS_ACCESS_VIOLATION;
325 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
326 case ENOEXEC: /* ?? */
327 case EEXIST: /* ?? */
328 default:
329 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
330 return STATUS_UNSUCCESSFUL;
331 }
332 }
333
334 /***********************************************************************
335 * FILE_AsyncReadService (INTERNAL)
336 */
337 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
338 {
339 async_fileio_read *fileio = user;
340 int fd, needs_close, result;
341
342 switch (status)
343 {
344 case STATUS_ALERTED: /* got some new data */
345 /* check to see if the data is ready (non-blocking) */
346 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
347 &needs_close, NULL, NULL )))
348 break;
349
350 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
351 if (needs_close) close( fd );
352
353 if (result < 0)
354 {
355 if (errno == EAGAIN || errno == EINTR)
356 status = STATUS_PENDING;
357 else /* check to see if the transfer is complete */
358 status = FILE_GetNtStatus();
359 }
360 else if (result == 0)
361 {
362 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
363 }
364 else
365 {
366 fileio->already += result;
367 if (fileio->already >= fileio->count || fileio->avail_mode)
368 status = STATUS_SUCCESS;
369 else
370 {
371 /* if we only have to read the available data, and none is available,
372 * simply cancel the request. If data was available, it has been read
373 * while in by previous call (NtDelayExecution)
374 */
375 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
376 }
377 }
378 break;
379
380 case STATUS_TIMEOUT:
381 case STATUS_IO_TIMEOUT:
382 if (fileio->already) status = STATUS_SUCCESS;
383 break;
384 }
385 if (status != STATUS_PENDING)
386 {
387 iosb->u.Status = status;
388 iosb->Information = fileio->already;
389 *apc = fileio_apc;
390 }
391 return status;
392 }
393
394 struct io_timeouts
395 {
396 int interval; /* max interval between two bytes */
397 int total; /* total timeout for the whole operation */
398 int end_time; /* absolute time of end of operation */
399 };
400
401 /* retrieve the I/O timeouts to use for a given handle */
402 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
403 struct io_timeouts *timeouts )
404 {
405 NTSTATUS status = STATUS_SUCCESS;
406
407 timeouts->interval = timeouts->total = -1;
408
409 switch(type)
410 {
411 case FD_TYPE_SERIAL:
412 {
413 /* GetCommTimeouts */
414 SERIAL_TIMEOUTS st;
415 IO_STATUS_BLOCK io;
416
417 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
418 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
419 if (status) break;
420
421 if (is_read)
422 {
423 if (st.ReadIntervalTimeout)
424 timeouts->interval = st.ReadIntervalTimeout;
425
426 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
427 {
428 timeouts->total = st.ReadTotalTimeoutConstant;
429 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
430 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
431 }
432 else if (st.ReadIntervalTimeout == MAXDWORD)
433 timeouts->interval = timeouts->total = 0;
434 }
435 else /* write */
436 {
437 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
438 {
439 timeouts->total = st.WriteTotalTimeoutConstant;
440 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
441 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
442 }
443 }
444 }
445 break;
446 case FD_TYPE_MAILSLOT:
447 if (is_read)
448 {
449 timeouts->interval = 0; /* return as soon as we got something */
450 SERVER_START_REQ( set_mailslot_info )
451 {
452 req->handle = wine_server_obj_handle( handle );
453 req->flags = 0;
454 if (!(status = wine_server_call( req )) &&
455 reply->read_timeout != TIMEOUT_INFINITE)
456 timeouts->total = reply->read_timeout / -10000;
457 }
458 SERVER_END_REQ;
459 }
460 break;
461 case FD_TYPE_SOCKET:
462 case FD_TYPE_PIPE:
463 case FD_TYPE_CHAR:
464 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
465 break;
466 default:
467 break;
468 }
469 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
470 return STATUS_SUCCESS;
471 }
472
473
474 /* retrieve the timeout for the next wait, in milliseconds */
475 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
476 {
477 int ret = -1;
478
479 if (timeouts->total != -1)
480 {
481 ret = timeouts->end_time - NtGetTickCount();
482 if (ret < 0) ret = 0;
483 }
484 if (already && timeouts->interval != -1)
485 {
486 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
487 }
488 return ret;
489 }
490
491
492 /* retrieve the avail_mode flag for async reads */
493 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
494 {
495 NTSTATUS status = STATUS_SUCCESS;
496
497 switch(type)
498 {
499 case FD_TYPE_SERIAL:
500 {
501 /* GetCommTimeouts */
502 SERIAL_TIMEOUTS st;
503 IO_STATUS_BLOCK io;
504
505 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
506 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
507 if (status) break;
508 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
509 !st.ReadTotalTimeoutConstant &&
510 st.ReadIntervalTimeout == MAXDWORD);
511 }
512 break;
513 case FD_TYPE_MAILSLOT:
514 case FD_TYPE_SOCKET:
515 case FD_TYPE_PIPE:
516 case FD_TYPE_CHAR:
517 *avail_mode = TRUE;
518 break;
519 default:
520 *avail_mode = FALSE;
521 break;
522 }
523 return status;
524 }
525
526
527 /******************************************************************************
528 * NtReadFile [NTDLL.@]
529 * ZwReadFile [NTDLL.@]
530 *
531 * Read from an open file handle.
532 *
533 * PARAMS
534 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
535 * Event [I] Event to signal upon completion (or NULL)
536 * ApcRoutine [I] Callback to call upon completion (or NULL)
537 * ApcContext [I] Context for ApcRoutine (or NULL)
538 * IoStatusBlock [O] Receives information about the operation on return
539 * Buffer [O] Destination for the data read
540 * Length [I] Size of Buffer
541 * ByteOffset [O] Destination for the new file pointer position (or NULL)
542 * Key [O] Function unknown (may be NULL)
543 *
544 * RETURNS
545 * Success: 0. IoStatusBlock is updated, and the Information member contains
546 * The number of bytes read.
547 * Failure: An NTSTATUS error code describing the error.
548 */
549 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
550 PIO_APC_ROUTINE apc, void* apc_user,
551 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
552 PLARGE_INTEGER offset, PULONG key)
553 {
554 int result, unix_handle, needs_close, timeout_init_done = 0;
555 unsigned int options;
556 struct io_timeouts timeouts;
557 NTSTATUS status;
558 ULONG total = 0;
559 enum server_fd_type type;
560 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
561
562 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
563 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
564
565 if (!io_status) return STATUS_ACCESS_VIOLATION;
566
567 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
568 &needs_close, &type, &options );
569 if (status) return status;
570
571 if (!virtual_check_buffer_for_write( buffer, length ))
572 {
573 status = STATUS_ACCESS_VIOLATION;
574 goto done;
575 }
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 else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
623 }
624 else if (errno != EAGAIN)
625 {
626 if (errno == EINTR) continue;
627 if (!total) status = FILE_GetNtStatus();
628 goto done;
629 }
630
631 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
632 {
633 async_fileio_read *fileio;
634 BOOL avail_mode;
635
636 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
637 goto err;
638 if (total && avail_mode)
639 {
640 status = STATUS_SUCCESS;
641 goto done;
642 }
643
644 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
645 {
646 status = STATUS_NO_MEMORY;
647 goto err;
648 }
649 fileio->io.handle = hFile;
650 fileio->io.apc = apc;
651 fileio->io.apc_arg = apc_user;
652 fileio->already = total;
653 fileio->count = length;
654 fileio->buffer = buffer;
655 fileio->avail_mode = avail_mode;
656
657 SERVER_START_REQ( register_async )
658 {
659 req->type = ASYNC_TYPE_READ;
660 req->count = length;
661 req->async.handle = wine_server_obj_handle( hFile );
662 req->async.event = wine_server_obj_handle( hEvent );
663 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
664 req->async.iosb = wine_server_client_ptr( io_status );
665 req->async.arg = wine_server_client_ptr( fileio );
666 req->async.cvalue = cvalue;
667 status = wine_server_call( req );
668 }
669 SERVER_END_REQ;
670
671 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
672 goto err;
673 }
674 else /* synchronous read, wait for the fd to become ready */
675 {
676 struct pollfd pfd;
677 int ret, timeout;
678
679 if (!timeout_init_done)
680 {
681 timeout_init_done = 1;
682 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
683 goto err;
684 if (hEvent) NtResetEvent( hEvent, NULL );
685 }
686 timeout = get_next_io_timeout( &timeouts, total );
687
688 pfd.fd = unix_handle;
689 pfd.events = POLLIN;
690
691 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
692 {
693 if (total) /* return with what we got so far */
694 status = STATUS_SUCCESS;
695 else
696 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
697 goto done;
698 }
699 if (ret == -1 && errno != EINTR)
700 {
701 status = FILE_GetNtStatus();
702 goto done;
703 }
704 /* will now restart the read */
705 }
706 }
707
708 done:
709 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
710
711 err:
712 if (needs_close) close( unix_handle );
713 if (status == STATUS_SUCCESS)
714 {
715 io_status->u.Status = status;
716 io_status->Information = total;
717 TRACE("= SUCCESS (%u)\n", total);
718 if (hEvent) NtSetEvent( hEvent, NULL );
719 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
720 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
721 }
722 else
723 {
724 TRACE("= 0x%08x\n", status);
725 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
726 }
727 return status;
728 }
729
730
731 /******************************************************************************
732 * NtReadFileScatter [NTDLL.@]
733 * ZwReadFileScatter [NTDLL.@]
734 */
735 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
736 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
737 ULONG length, PLARGE_INTEGER offset, PULONG key )
738 {
739 size_t page_size = getpagesize();
740 int result, unix_handle, needs_close;
741 unsigned int options;
742 NTSTATUS status;
743 ULONG pos = 0, total = 0;
744 enum server_fd_type type;
745 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
746
747 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
748 file, event, apc, apc_user, io_status, segments, length, offset, key);
749
750 if (length % page_size) return STATUS_INVALID_PARAMETER;
751 if (!io_status) return STATUS_ACCESS_VIOLATION;
752
753 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
754 &needs_close, &type, &options );
755 if (status) return status;
756
757 if ((type != FD_TYPE_FILE) ||
758 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
759 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
760 {
761 status = STATUS_INVALID_PARAMETER;
762 goto error;
763 }
764
765 while (length)
766 {
767 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
768 result = pread( unix_handle, (char *)segments->Buffer + pos,
769 page_size - pos, offset->QuadPart + total );
770 else
771 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
772
773 if (result == -1)
774 {
775 if (errno == EINTR) continue;
776 status = FILE_GetNtStatus();
777 break;
778 }
779 if (!result)
780 {
781 status = STATUS_END_OF_FILE;
782 break;
783 }
784 total += result;
785 length -= result;
786 if ((pos += result) == page_size)
787 {
788 pos = 0;
789 segments++;
790 }
791 }
792
793 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
794
795 error:
796 if (needs_close) close( unix_handle );
797 if (status == STATUS_SUCCESS)
798 {
799 io_status->u.Status = status;
800 io_status->Information = total;
801 TRACE("= SUCCESS (%u)\n", total);
802 if (event) NtSetEvent( event, NULL );
803 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
804 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
805 }
806 else
807 {
808 TRACE("= 0x%08x\n", status);
809 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
810 }
811 return status;
812 }
813
814
815 /***********************************************************************
816 * FILE_AsyncWriteService (INTERNAL)
817 */
818 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
819 {
820 async_fileio_write *fileio = user;
821 int result, fd, needs_close;
822 enum server_fd_type type;
823
824 switch (status)
825 {
826 case STATUS_ALERTED:
827 /* write some data (non-blocking) */
828 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
829 &needs_close, &type, NULL )))
830 break;
831
832 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
833 result = send( fd, fileio->buffer, 0, 0 );
834 else
835 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
836
837 if (needs_close) close( fd );
838
839 if (result < 0)
840 {
841 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
842 else status = FILE_GetNtStatus();
843 }
844 else
845 {
846 fileio->already += result;
847 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
848 }
849 break;
850
851 case STATUS_TIMEOUT:
852 case STATUS_IO_TIMEOUT:
853 if (fileio->already) status = STATUS_SUCCESS;
854 break;
855 }
856 if (status != STATUS_PENDING)
857 {
858 iosb->u.Status = status;
859 iosb->Information = fileio->already;
860 *apc = fileio_apc;
861 }
862 return status;
863 }
864
865 /******************************************************************************
866 * NtWriteFile [NTDLL.@]
867 * ZwWriteFile [NTDLL.@]
868 *
869 * Write to an open file handle.
870 *
871 * PARAMS
872 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
873 * Event [I] Event to signal upon completion (or NULL)
874 * ApcRoutine [I] Callback to call upon completion (or NULL)
875 * ApcContext [I] Context for ApcRoutine (or NULL)
876 * IoStatusBlock [O] Receives information about the operation on return
877 * Buffer [I] Source for the data to write
878 * Length [I] Size of Buffer
879 * ByteOffset [O] Destination for the new file pointer position (or NULL)
880 * Key [O] Function unknown (may be NULL)
881 *
882 * RETURNS
883 * Success: 0. IoStatusBlock is updated, and the Information member contains
884 * The number of bytes written.
885 * Failure: An NTSTATUS error code describing the error.
886 */
887 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
888 PIO_APC_ROUTINE apc, void* apc_user,
889 PIO_STATUS_BLOCK io_status,
890 const void* buffer, ULONG length,
891 PLARGE_INTEGER offset, PULONG key)
892 {
893 int result, unix_handle, needs_close, timeout_init_done = 0;
894 unsigned int options;
895 struct io_timeouts timeouts;
896 NTSTATUS status;
897 ULONG total = 0;
898 enum server_fd_type type;
899 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
900
901 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
902 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
903
904 if (!io_status) return STATUS_ACCESS_VIOLATION;
905
906 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
907 &needs_close, &type, &options );
908 if (status) return status;
909
910 if (!virtual_check_buffer_for_read( buffer, length ))
911 {
912 status = STATUS_INVALID_USER_BUFFER;
913 goto done;
914 }
915
916 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
917 {
918 /* async I/O doesn't make sense on regular files */
919 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
920 {
921 if (errno != EINTR)
922 {
923 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
924 else status = FILE_GetNtStatus();
925 goto done;
926 }
927 }
928
929 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
930 /* update file pointer position */
931 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
932
933 total = result;
934 status = STATUS_SUCCESS;
935 goto done;
936 }
937
938 for (;;)
939 {
940 /* zero-length writes on sockets may not work with plain write(2) */
941 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
942 result = send( unix_handle, buffer, 0, 0 );
943 else
944 result = write( unix_handle, (const char *)buffer + total, length - total );
945
946 if (result >= 0)
947 {
948 total += result;
949 if (total == length)
950 {
951 status = STATUS_SUCCESS;
952 goto done;
953 }
954 if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
955 }
956 else if (errno != EAGAIN)
957 {
958 if (errno == EINTR) continue;
959 if (!total)
960 {
961 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
962 else status = FILE_GetNtStatus();
963 }
964 goto done;
965 }
966
967 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
968 {
969 async_fileio_write *fileio;
970
971 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
972 {
973 status = STATUS_NO_MEMORY;
974 goto err;
975 }
976 fileio->io.handle = hFile;
977 fileio->io.apc = apc;
978 fileio->io.apc_arg = apc_user;
979 fileio->already = total;
980 fileio->count = length;
981 fileio->buffer = buffer;
982
983 SERVER_START_REQ( register_async )
984 {
985 req->type = ASYNC_TYPE_WRITE;
986 req->count = length;
987 req->async.handle = wine_server_obj_handle( hFile );
988 req->async.event = wine_server_obj_handle( hEvent );
989 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
990 req->async.iosb = wine_server_client_ptr( io_status );
991 req->async.arg = wine_server_client_ptr( fileio );
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 HANDLE event; /* async event */
1148 void *buffer; /* buffer for output */
1149 ULONG size; /* size of buffer */
1150 PIO_APC_ROUTINE apc; /* user apc params */
1151 void *apc_arg;
1152 };
1153
1154 /* callback for ioctl user APC */
1155 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1156 {
1157 struct async_ioctl *async = arg;
1158 if (async->apc) async->apc( async->apc_arg, io, reserved );
1159 RtlFreeHeap( GetProcessHeap(), 0, async );
1160 }
1161
1162 /* callback for ioctl async I/O completion */
1163 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1164 {
1165 struct async_ioctl *async = arg;
1166
1167 if (status == STATUS_ALERTED)
1168 {
1169 SERVER_START_REQ( get_ioctl_result )
1170 {
1171 req->handle = wine_server_obj_handle( async->handle );
1172 req->user_arg = wine_server_client_ptr( async );
1173 wine_server_set_reply( req, async->buffer, async->size );
1174 if (!(status = wine_server_call( req )))
1175 io->Information = wine_server_reply_size( reply );
1176 }
1177 SERVER_END_REQ;
1178 }
1179 if (status != STATUS_PENDING)
1180 {
1181 io->u.Status = status;
1182 if (async->apc || async->event) *apc = ioctl_apc;
1183 }
1184 return status;
1185 }
1186
1187 /* do a ioctl call through the server */
1188 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1189 PIO_APC_ROUTINE apc, PVOID apc_context,
1190 IO_STATUS_BLOCK *io, ULONG code,
1191 const void *in_buffer, ULONG in_size,
1192 PVOID out_buffer, ULONG out_size )
1193 {
1194 struct async_ioctl *async;
1195 NTSTATUS status;
1196 HANDLE wait_handle;
1197 ULONG options;
1198 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1199
1200 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1201 return STATUS_NO_MEMORY;
1202 async->handle = handle;
1203 async->event = event;
1204 async->buffer = out_buffer;
1205 async->size = out_size;
1206 async->apc = apc;
1207 async->apc_arg = apc_context;
1208
1209 SERVER_START_REQ( ioctl )
1210 {
1211 req->code = code;
1212 req->blocking = !apc && !event;
1213 req->async.handle = wine_server_obj_handle( handle );
1214 req->async.callback = wine_server_client_ptr( ioctl_completion );
1215 req->async.iosb = wine_server_client_ptr( io );
1216 req->async.arg = wine_server_client_ptr( async );
1217 req->async.event = wine_server_obj_handle( event );
1218 req->async.cvalue = cvalue;
1219 wine_server_add_data( req, in_buffer, in_size );
1220 wine_server_set_reply( req, out_buffer, out_size );
1221 if (!(status = wine_server_call( req )))
1222 io->Information = wine_server_reply_size( reply );
1223 wait_handle = wine_server_ptr_handle( reply->wait );
1224 options = reply->options;
1225 }
1226 SERVER_END_REQ;
1227
1228 if (status == STATUS_NOT_SUPPORTED)
1229 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1230 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1231
1232 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1233
1234 if (wait_handle)
1235 {
1236 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1237 status = io->u.Status;
1238 NtClose( wait_handle );
1239 RtlFreeHeap( GetProcessHeap(), 0, async );
1240 }
1241
1242 return status;
1243 }
1244
1245
1246 /**************************************************************************
1247 * NtDeviceIoControlFile [NTDLL.@]
1248 * ZwDeviceIoControlFile [NTDLL.@]
1249 *
1250 * Perform an I/O control operation on an open file handle.
1251 *
1252 * PARAMS
1253 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1254 * event [I] Event to signal upon completion (or NULL)
1255 * apc [I] Callback to call upon completion (or NULL)
1256 * apc_context [I] Context for ApcRoutine (or NULL)
1257 * io [O] Receives information about the operation on return
1258 * code [I] Control code for the operation to perform
1259 * in_buffer [I] Source for any input data required (or NULL)
1260 * in_size [I] Size of InputBuffer
1261 * out_buffer [O] Source for any output data returned (or NULL)
1262 * out_size [I] Size of OutputBuffer
1263 *
1264 * RETURNS
1265 * Success: 0. IoStatusBlock is updated.
1266 * Failure: An NTSTATUS error code describing the error.
1267 */
1268 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1269 PIO_APC_ROUTINE apc, PVOID apc_context,
1270 PIO_STATUS_BLOCK io, ULONG code,
1271 PVOID in_buffer, ULONG in_size,
1272 PVOID out_buffer, ULONG out_size)
1273 {
1274 ULONG device = (code >> 16);
1275 NTSTATUS status = STATUS_NOT_SUPPORTED;
1276
1277 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1278 handle, event, apc, apc_context, io, code,
1279 in_buffer, in_size, out_buffer, out_size);
1280
1281 switch(device)
1282 {
1283 case FILE_DEVICE_DISK:
1284 case FILE_DEVICE_CD_ROM:
1285 case FILE_DEVICE_DVD:
1286 case FILE_DEVICE_CONTROLLER:
1287 case FILE_DEVICE_MASS_STORAGE:
1288 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1289 in_buffer, in_size, out_buffer, out_size);
1290 break;
1291 case FILE_DEVICE_SERIAL_PORT:
1292 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1293 in_buffer, in_size, out_buffer, out_size);
1294 break;
1295 case FILE_DEVICE_TAPE:
1296 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1297 in_buffer, in_size, out_buffer, out_size);
1298 break;
1299 }
1300
1301 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1302 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1303 in_buffer, in_size, out_buffer, out_size );
1304
1305 if (status != STATUS_PENDING) io->u.Status = status;
1306 return status;
1307 }
1308
1309
1310 /**************************************************************************
1311 * NtFsControlFile [NTDLL.@]
1312 * ZwFsControlFile [NTDLL.@]
1313 *
1314 * Perform a file system control operation on an open file handle.
1315 *
1316 * PARAMS
1317 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1318 * event [I] Event to signal upon completion (or NULL)
1319 * apc [I] Callback to call upon completion (or NULL)
1320 * apc_context [I] Context for ApcRoutine (or NULL)
1321 * io [O] Receives information about the operation on return
1322 * code [I] Control code for the operation to perform
1323 * in_buffer [I] Source for any input data required (or NULL)
1324 * in_size [I] Size of InputBuffer
1325 * out_buffer [O] Source for any output data returned (or NULL)
1326 * out_size [I] Size of OutputBuffer
1327 *
1328 * RETURNS
1329 * Success: 0. IoStatusBlock is updated.
1330 * Failure: An NTSTATUS error code describing the error.
1331 */
1332 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1333 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1334 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1335 {
1336 NTSTATUS status;
1337
1338 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1339 handle, event, apc, apc_context, io, code,
1340 in_buffer, in_size, out_buffer, out_size);
1341
1342 if (!io) return STATUS_INVALID_PARAMETER;
1343
1344 switch(code)
1345 {
1346 case FSCTL_DISMOUNT_VOLUME:
1347 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1348 in_buffer, in_size, out_buffer, out_size );
1349 if (!status) status = DIR_unmount_device( handle );
1350 break;
1351
1352 case FSCTL_PIPE_PEEK:
1353 {
1354 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1355 int avail = 0, fd, needs_close;
1356
1357 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1358 {
1359 status = STATUS_INFO_LENGTH_MISMATCH;
1360 break;
1361 }
1362
1363 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1364 break;
1365
1366 #ifdef FIONREAD
1367 if (ioctl( fd, FIONREAD, &avail ) != 0)
1368 {
1369 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1370 if (needs_close) close( fd );
1371 status = FILE_GetNtStatus();
1372 break;
1373 }
1374 #endif
1375 if (!avail) /* check for closed pipe */
1376 {
1377 struct pollfd pollfd;
1378 int ret;
1379
1380 pollfd.fd = fd;
1381 pollfd.events = POLLIN;
1382 pollfd.revents = 0;
1383 ret = poll( &pollfd, 1, 0 );
1384 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1385 {
1386 if (needs_close) close( fd );
1387 status = STATUS_PIPE_BROKEN;
1388 break;
1389 }
1390 }
1391 buffer->NamedPipeState = 0; /* FIXME */
1392 buffer->ReadDataAvailable = avail;
1393 buffer->NumberOfMessages = 0; /* FIXME */
1394 buffer->MessageLength = 0; /* FIXME */
1395 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1396 status = STATUS_SUCCESS;
1397 if (avail)
1398 {
1399 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1400 if (data_size)
1401 {
1402 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1403 if (res >= 0) io->Information += res;
1404 }
1405 }
1406 if (needs_close) close( fd );
1407 }
1408 break;
1409
1410 case FSCTL_PIPE_DISCONNECT:
1411 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1412 in_buffer, in_size, out_buffer, out_size );
1413 if (!status)
1414 {
1415 int fd = server_remove_fd_from_cache( handle );
1416 if (fd != -1) close( fd );
1417 }
1418 break;
1419
1420 case FSCTL_PIPE_IMPERSONATE:
1421 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1422 status = RtlImpersonateSelf( SecurityImpersonation );
1423 break;
1424
1425 case FSCTL_LOCK_VOLUME:
1426 case FSCTL_UNLOCK_VOLUME:
1427 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1428 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1429 status = STATUS_SUCCESS;
1430 break;
1431
1432 case FSCTL_PIPE_LISTEN:
1433 case FSCTL_PIPE_WAIT:
1434 default:
1435 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1436 in_buffer, in_size, out_buffer, out_size );
1437 break;
1438 }
1439
1440 if (status != STATUS_PENDING) io->u.Status = status;
1441 return status;
1442 }
1443
1444 /******************************************************************************
1445 * NtSetVolumeInformationFile [NTDLL.@]
1446 * ZwSetVolumeInformationFile [NTDLL.@]
1447 *
1448 * Set volume information for an open file handle.
1449 *
1450 * PARAMS
1451 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1452 * IoStatusBlock [O] Receives information about the operation on return
1453 * FsInformation [I] Source for volume information
1454 * Length [I] Size of FsInformation
1455 * FsInformationClass [I] Type of volume information to set
1456 *
1457 * RETURNS
1458 * Success: 0. IoStatusBlock is updated.
1459 * Failure: An NTSTATUS error code describing the error.
1460 */
1461 NTSTATUS WINAPI NtSetVolumeInformationFile(
1462 IN HANDLE FileHandle,
1463 PIO_STATUS_BLOCK IoStatusBlock,
1464 PVOID FsInformation,
1465 ULONG Length,
1466 FS_INFORMATION_CLASS FsInformationClass)
1467 {
1468 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1469 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1470 return 0;
1471 }
1472
1473 /******************************************************************************
1474 * NtQueryInformationFile [NTDLL.@]
1475 * ZwQueryInformationFile [NTDLL.@]
1476 *
1477 * Get information about an open file handle.
1478 *
1479 * PARAMS
1480 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1481 * io [O] Receives information about the operation on return
1482 * ptr [O] Destination for file information
1483 * len [I] Size of FileInformation
1484 * class [I] Type of file information to get
1485 *
1486 * RETURNS
1487 * Success: 0. IoStatusBlock and FileInformation are updated.
1488 * Failure: An NTSTATUS error code describing the error.
1489 */
1490 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1491 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1492 {
1493 static const size_t info_sizes[] =
1494 {
1495 0,
1496 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1497 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1498 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1499 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1500 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1501 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1502 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1503 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1504 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1505 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1506 0, /* FileLinkInformation */
1507 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1508 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1509 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1510 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1511 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1512 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1513 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1514 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1515 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1516 0, /* FileAlternateNameInformation */
1517 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1518 0, /* FilePipeInformation */
1519 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1520 0, /* FilePipeRemoteInformation */
1521 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1522 0, /* FileMailslotSetInformation */
1523 0, /* FileCompressionInformation */
1524 0, /* FileObjectIdInformation */
1525 0, /* FileCompletionInformation */
1526 0, /* FileMoveClusterInformation */
1527 0, /* FileQuotaInformation */
1528 0, /* FileReparsePointInformation */
1529 0, /* FileNetworkOpenInformation */
1530 0, /* FileAttributeTagInformation */
1531 0 /* FileTrackingInformation */
1532 };
1533
1534 struct stat st;
1535 int fd, needs_close = FALSE;
1536
1537 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1538
1539 io->Information = 0;
1540
1541 if (class <= 0 || class >= FileMaximumInformation)
1542 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1543 if (!info_sizes[class])
1544 {
1545 FIXME("Unsupported class (%d)\n", class);
1546 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1547 }
1548 if (len < info_sizes[class])
1549 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1550
1551 if (class != FilePipeLocalInformation)
1552 {
1553 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1554 return io->u.Status;
1555 }
1556
1557 switch (class)
1558 {
1559 case FileBasicInformation:
1560 {
1561 FILE_BASIC_INFORMATION *info = ptr;
1562
1563 if (fstat( fd, &st ) == -1)
1564 io->u.Status = FILE_GetNtStatus();
1565 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1566 io->u.Status = STATUS_INVALID_INFO_CLASS;
1567 else
1568 {
1569 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1570 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1571 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1572 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1573 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1574 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1575 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1576 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1577 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1578 info->CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1579 info->LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1580 #endif
1581 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1582 info->ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1583 #endif
1584 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1585 info->LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1586 #endif
1587 }
1588 }
1589 break;
1590 case FileStandardInformation:
1591 {
1592 FILE_STANDARD_INFORMATION *info = ptr;
1593
1594 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1595 else
1596 {
1597 if ((info->Directory = S_ISDIR(st.st_mode)))
1598 {
1599 info->AllocationSize.QuadPart = 0;
1600 info->EndOfFile.QuadPart = 0;
1601 info->NumberOfLinks = 1;
1602 info->DeletePending = FALSE;
1603 }
1604 else
1605 {
1606 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1607 info->EndOfFile.QuadPart = st.st_size;
1608 info->NumberOfLinks = st.st_nlink;
1609 info->DeletePending = FALSE; /* FIXME */
1610 }
1611 }
1612 }
1613 break;
1614 case FilePositionInformation:
1615 {
1616 FILE_POSITION_INFORMATION *info = ptr;
1617 off_t res = lseek( fd, 0, SEEK_CUR );
1618 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1619 else info->CurrentByteOffset.QuadPart = res;
1620 }
1621 break;
1622 case FileInternalInformation:
1623 {
1624 FILE_INTERNAL_INFORMATION *info = ptr;
1625
1626 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1627 else info->IndexNumber.QuadPart = st.st_ino;
1628 }
1629 break;
1630 case FileEaInformation:
1631 {
1632 FILE_EA_INFORMATION *info = ptr;
1633 info->EaSize = 0;
1634 }
1635 break;
1636 case FileEndOfFileInformation:
1637 {
1638 FILE_END_OF_FILE_INFORMATION *info = ptr;
1639
1640 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1641 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1642 }
1643 break;
1644 case FileAllInformation:
1645 {
1646 FILE_ALL_INFORMATION *info = ptr;
1647
1648 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1649 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1650 io->u.Status = STATUS_INVALID_INFO_CLASS;
1651 else
1652 {
1653 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1654 {
1655 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1656 info->StandardInformation.AllocationSize.QuadPart = 0;
1657 info->StandardInformation.EndOfFile.QuadPart = 0;
1658 info->StandardInformation.NumberOfLinks = 1;
1659 info->StandardInformation.DeletePending = FALSE;
1660 }
1661 else
1662 {
1663 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1664 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1665 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1666 info->StandardInformation.NumberOfLinks = st.st_nlink;
1667 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1668 }
1669 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1670 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1671 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1672 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1673 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1674 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1675 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1676 info->BasicInformation.CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1677 info->BasicInformation.LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1678 #endif
1679 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1680 info->BasicInformation.ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1681 #endif
1682 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1683 info->BasicInformation.LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1684 #endif
1685 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1686 info->EaInformation.EaSize = 0;
1687 info->AccessInformation.AccessFlags = 0; /* FIXME */
1688 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1689 info->ModeInformation.Mode = 0; /* FIXME */
1690 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1691 info->NameInformation.FileNameLength = 0;
1692 io->Information = sizeof(*info) - sizeof(WCHAR);
1693 }
1694 }
1695 break;
1696 case FileMailslotQueryInformation:
1697 {
1698 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1699
1700 SERVER_START_REQ( set_mailslot_info )
1701 {
1702 req->handle = wine_server_obj_handle( hFile );
1703 req->flags = 0;
1704 io->u.Status = wine_server_call( req );
1705 if( io->u.Status == STATUS_SUCCESS )
1706 {
1707 info->MaximumMessageSize = reply->max_msgsize;
1708 info->MailslotQuota = 0;
1709 info->NextMessageSize = 0;
1710 info->MessagesAvailable = 0;
1711 info->ReadTimeout.QuadPart = reply->read_timeout;
1712 }
1713 }
1714 SERVER_END_REQ;
1715 if (!io->u.Status)
1716 {
1717 char *tmpbuf;
1718 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1719 if (size > 0x10000) size = 0x10000;
1720 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1721 {
1722 int fd, needs_close;
1723 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1724 {
1725 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1726 info->MessagesAvailable = (res > 0);
1727 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1728 if (needs_close) close( fd );
1729 }
1730 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1731 }
1732 }
1733 }
1734 break;
1735 case FilePipeLocalInformation:
1736 {
1737 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1738
1739 SERVER_START_REQ( get_named_pipe_info )
1740 {
1741 req->handle = wine_server_obj_handle( hFile );
1742 if (!(io->u.Status = wine_server_call( req )))
1743 {
1744 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1745 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1746 pli->NamedPipeConfiguration = 0; /* FIXME */
1747 pli->MaximumInstances = reply->maxinstances;
1748 pli->CurrentInstances = reply->instances;
1749 pli->InboundQuota = reply->insize;
1750 pli->ReadDataAvailable = 0; /* FIXME */
1751 pli->OutboundQuota = reply->outsize;
1752 pli->WriteQuotaAvailable = 0; /* FIXME */
1753 pli->NamedPipeState = 0; /* FIXME */
1754 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1755 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1756 }
1757 }
1758 SERVER_END_REQ;
1759 }
1760 break;
1761 default:
1762 FIXME("Unsupported class (%d)\n", class);
1763 io->u.Status = STATUS_NOT_IMPLEMENTED;
1764 break;
1765 }
1766 if (needs_close) close( fd );
1767 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1768 return io->u.Status;
1769 }
1770
1771 /******************************************************************************
1772 * NtSetInformationFile [NTDLL.@]
1773 * ZwSetInformationFile [NTDLL.@]
1774 *
1775 * Set information about an open file handle.
1776 *
1777 * PARAMS
1778 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1779 * io [O] Receives information about the operation on return
1780 * ptr [I] Source for file information
1781 * len [I] Size of FileInformation
1782 * class [I] Type of file information to set
1783 *
1784 * RETURNS
1785 * Success: 0. io is updated.
1786 * Failure: An NTSTATUS error code describing the error.
1787 */
1788 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1789 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1790 {
1791 int fd, needs_close;
1792
1793 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1794
1795 io->u.Status = STATUS_SUCCESS;
1796 switch (class)
1797 {
1798 case FileBasicInformation:
1799 if (len >= sizeof(FILE_BASIC_INFORMATION))
1800 {
1801 struct stat st;
1802 const FILE_BASIC_INFORMATION *info = ptr;
1803
1804 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1805 return io->u.Status;
1806
1807 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1808 {
1809 ULONGLONG sec, nsec;
1810 struct timeval tv[2];
1811
1812 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1813 {
1814
1815 tv[0].tv_sec = tv[0].tv_usec = 0;
1816 tv[1].tv_sec = tv[1].tv_usec = 0;
1817 if (!fstat( fd, &st ))
1818 {
1819 tv[0].tv_sec = st.st_atime;
1820 tv[1].tv_sec = st.st_mtime;
1821 }
1822 }
1823 if (info->LastAccessTime.QuadPart)
1824 {
1825 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1826 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1827 tv[0].tv_usec = (UINT)nsec / 10;
1828 }
1829 if (info->LastWriteTime.QuadPart)
1830 {
1831 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1832 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1833 tv[1].tv_usec = (UINT)nsec / 10;
1834 }
1835 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1836 }
1837
1838 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1839 {
1840 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1841 else
1842 {
1843 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1844 {
1845 if (S_ISDIR( st.st_mode))
1846 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1847 else
1848 st.st_mode &= ~0222; /* clear write permission bits */
1849 }
1850 else
1851 {
1852 /* add write permission only where we already have read permission */
1853 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1854 }
1855 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1856 }
1857 }
1858
1859 if (needs_close) close( fd );
1860 }
1861 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1862 break;
1863
1864 case FilePositionInformation:
1865 if (len >= sizeof(FILE_POSITION_INFORMATION))
1866 {
1867 const FILE_POSITION_INFORMATION *info = ptr;
1868
1869 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1870 return io->u.Status;
1871
1872 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1873 io->u.Status = FILE_GetNtStatus();
1874
1875 if (needs_close) close( fd );
1876 }
1877 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1878 break;
1879
1880 case FileEndOfFileInformation:
1881 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1882 {
1883 struct stat st;
1884 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1885
1886 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1887 return io->u.Status;
1888
1889 /* first try normal truncate */
1890 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1891
1892 /* now check for the need to extend the file */
1893 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1894 {
1895 static const char zero;
1896
1897 /* extend the file one byte beyond the requested size and then truncate it */
1898 /* this should work around ftruncate implementations that can't extend files */
1899 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1900 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1901 }
1902 io->u.Status = FILE_GetNtStatus();
1903
1904 if (needs_close) close( fd );
1905 }
1906 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1907 break;
1908
1909 case FileMailslotSetInformation:
1910 {
1911 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1912
1913 SERVER_START_REQ( set_mailslot_info )
1914 {
1915 req->handle = wine_server_obj_handle( handle );
1916 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1917 req->read_timeout = info->ReadTimeout.QuadPart;
1918 io->u.Status = wine_server_call( req );
1919 }
1920 SERVER_END_REQ;
1921 }
1922 break;
1923
1924 case FileCompletionInformation:
1925 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1926 {
1927 FILE_COMPLETION_INFORMATION *info = ptr;
1928
1929 SERVER_START_REQ( set_completion_info )
1930 {
1931 req->handle = wine_server_obj_handle( handle );
1932 req->chandle = wine_server_obj_handle( info->CompletionPort );
1933 req->ckey = info->CompletionKey;
1934 io->u.Status = wine_server_call( req );
1935 }
1936 SERVER_END_REQ;
1937 } else
1938 io->u.Status = STATUS_INVALID_PARAMETER_3;
1939 break;
1940
1941 default:
1942 FIXME("Unsupported class (%d)\n", class);
1943 io->u.Status = STATUS_NOT_IMPLEMENTED;
1944 break;
1945 }
1946 io->Information = 0;
1947 return io->u.Status;
1948 }
1949
1950
1951 /******************************************************************************
1952 * NtQueryFullAttributesFile (NTDLL.@)
1953 */
1954 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1955 FILE_NETWORK_OPEN_INFORMATION *info )
1956 {
1957 ANSI_STRING unix_name;
1958 NTSTATUS status;
1959
1960 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1961 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1962 {
1963 struct stat st;
1964
1965 if (stat( unix_name.Buffer, &st ) == -1)
1966 status = FILE_GetNtStatus();
1967 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1968 status = STATUS_INVALID_INFO_CLASS;
1969 else
1970 {
1971 if (S_ISDIR(st.st_mode))
1972 {
1973 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1974 info->AllocationSize.QuadPart = 0;
1975 info->EndOfFile.QuadPart = 0;
1976 }
1977 else
1978 {
1979 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1980 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1981 info->EndOfFile.QuadPart = st.st_size;
1982 }
1983 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1984 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1985 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1986 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1987 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1988 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1989 if (DIR_is_hidden_file( attr->ObjectName ))
1990 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1991 }
1992 RtlFreeAnsiString( &unix_name );
1993 }
1994 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1995 return status;
1996 }
1997
1998
1999 /******************************************************************************
2000 * NtQueryAttributesFile (NTDLL.@)
2001 * ZwQueryAttributesFile (NTDLL.@)
2002 */
2003 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2004 {
2005 FILE_NETWORK_OPEN_INFORMATION full_info;
2006 NTSTATUS status;
2007
2008 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
2009 {
2010 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
2011 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
2012 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
2013 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
2014 info->FileAttributes = full_info.FileAttributes;
2015 }
2016 return status;
2017 }
2018
2019
2020 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
2021 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2022 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2023 unsigned int flags )
2024 {
2025 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2026 {
2027 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2028 /* Don't assume read-only, let the mount options set it below */
2029 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2030 }
2031 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2032 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2033 {
2034 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2035 info->Characteristics |= FILE_REMOTE_DEVICE;
2036 }
2037 else if (!strcmp("procfs", fstypename))
2038 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2039 else
2040 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2041
2042 if (flags & MNT_RDONLY)
2043 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2044
2045 if (!(flags & MNT_LOCAL))
2046 {
2047 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2048 info->Characteristics |= FILE_REMOTE_DEVICE;
2049 }
2050 }
2051 #endif
2052
2053 static inline int is_device_placeholder( int fd )
2054 {
2055 static const char wine_placeholder[] = "Wine device placeholder";
2056 char buffer[sizeof(wine_placeholder)-1];
2057
2058 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2059 return 0;
2060 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2061 }
2062
2063 /******************************************************************************
2064 * get_device_info
2065 *
2066 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2067 */
2068 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2069 {
2070 struct stat st;
2071
2072 info->Characteristics = 0;
2073 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2074 if (S_ISCHR( st.st_mode ))
2075 {
2076 info->DeviceType = FILE_DEVICE_UNKNOWN;
2077 #ifdef linux
2078 switch(major(st.st_rdev))
2079 {
2080 case MEM_MAJOR:
2081 info->DeviceType = FILE_DEVICE_NULL;
2082 break;
2083 case TTY_MAJOR:
2084 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2085 break;
2086 case LP_MAJOR:
2087 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2088 break;
2089 case SCSI_TAPE_MAJOR:
2090 info->DeviceType = FILE_DEVICE_TAPE;
2091 break;
2092 }
2093 #endif
2094 }
2095 else if (S_ISBLK( st.st_mode ))
2096 {
2097 info->DeviceType = FILE_DEVICE_DISK;
2098 }
2099 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2100 {
2101 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2102 }
2103 else if (is_device_placeholder( fd ))
2104 {
2105 info->DeviceType = FILE_DEVICE_DISK;
2106 }
2107 else /* regular file or directory */
2108 {
2109 #if defined(linux) && defined(HAVE_FSTATFS)
2110 struct statfs stfs;
2111
2112 /* check for floppy disk */
2113 if (major(st.st_dev) == FLOPPY_MAJOR)
2114 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2115
2116 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2117 switch (stfs.f_type)
2118 {
2119 case 0x9660: /* iso9660 */
2120 case 0x9fa1: /* supermount */
2121 case 0x15013346: /* udf */
2122 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2123 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2124 break;
2125 case 0x6969: /* nfs */
2126 case 0x517B: /* smbfs */
2127 case 0x564c: /* ncpfs */
2128 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2129 info->Characteristics |= FILE_REMOTE_DEVICE;
2130 break;
2131 case 0x01021994: /* tmpfs */
2132 case 0x28cd3d45: /* cramfs */
2133 case 0x1373: /* devfs */
2134 case 0x9fa0: /* procfs */
2135 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2136 break;
2137 default:
2138 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2139 break;
2140 }
2141 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
2142 struct statfs stfs;
2143
2144 if (fstatfs( fd, &stfs ) < 0)
2145 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2146 else
2147 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2148 #elif defined(__NetBSD__)
2149 struct statvfs stfs;
2150
2151 if (fstatvfs( fd, &stfs) < 0)
2152 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2153 else
2154 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2155 #elif defined(sun)
2156 /* Use dkio to work out device types */
2157 {
2158 # include <sys/dkio.h>
2159 # include <sys/vtoc.h>
2160 struct dk_cinfo dkinf;
2161 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2162 if(retval==-1){
2163 WARN("Unable to get disk device type information - assuming a disk like device\n");
2164 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2165 }
2166 switch (dkinf.dki_ctype)
2167 {
2168 case DKC_CDROM:
2169 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2170 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2171 break;
2172 case DKC_NCRFLOPPY:
2173 case DKC_SMSFLOPPY:
2174 case DKC_INTEL82072:
2175 case DKC_INTEL82077:
2176 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2177 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2178 break;
2179 case DKC_MD:
2180 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2181 break;
2182 default:
2183 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2184 }
2185 }
2186 #else
2187 static int warned;
2188 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2189 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2190 #endif
2191 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2192 }
2193 return STATUS_SUCCESS;
2194 }
2195
2196
2197 /******************************************************************************
2198 * NtQueryVolumeInformationFile [NTDLL.@]
2199 * ZwQueryVolumeInformationFile [NTDLL.@]
2200 *
2201 * Get volume information for an open file handle.
2202 *
2203 * PARAMS
2204 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2205 * io [O] Receives information about the operation on return
2206 * buffer [O] Destination for volume information
2207 * length [I] Size of FsInformation
2208 * info_class [I] Type of volume information to set
2209 *
2210 * RETURNS
2211 * Success: 0. io and buffer are updated.
2212 * Failure: An NTSTATUS error code describing the error.
2213 */
2214 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2215 PVOID buffer, ULONG length,
2216 FS_INFORMATION_CLASS info_class )
2217 {
2218 int fd, needs_close;
2219 struct stat st;
2220
2221 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2222 return io->u.Status;
2223
2224 io->u.Status = STATUS_NOT_IMPLEMENTED;
2225 io->Information = 0;
2226
2227 switch( info_class )
2228 {
2229 case FileFsVolumeInformation:
2230 FIXME( "%p: volume info not supported\n", handle );
2231 break;
2232 case FileFsLabelInformation:
2233 FIXME( "%p: label info not supported\n", handle );
2234 break;
2235 case FileFsSizeInformation:
2236 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2237 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2238 else
2239 {
2240 FILE_FS_SIZE_INFORMATION *info = buffer;
2241
2242 if (fstat( fd, &st ) < 0)
2243 {
2244 io->u.Status = FILE_GetNtStatus();
2245 break;
2246 }
2247 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2248 {
2249 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2250 }
2251 else
2252 {
2253 ULONGLONG bsize;
2254 /* Linux's fstatvfs is buggy */
2255 #if !defined(linux) || !defined(HAVE_FSTATFS)
2256 struct statvfs stfs;
2257
2258 if (fstatvfs( fd, &stfs ) < 0)
2259 {
2260 io->u.Status = FILE_GetNtStatus();
2261 break;
2262 }
2263 bsize = stfs.f_frsize;
2264 #else
2265 struct statfs stfs;
2266 if (fstatfs( fd, &stfs ) < 0)
2267 {
2268 io->u.Status = FILE_GetNtStatus();
2269 break;
2270 }
2271 bsize = stfs.f_bsize;
2272 #endif
2273 if (bsize == 2048) /* assume CD-ROM */
2274 {
2275 info->BytesPerSector = 2048;
2276 info->SectorsPerAllocationUnit = 1;
2277 }
2278 else
2279 {
2280 info->BytesPerSector = 512;
2281 info->SectorsPerAllocationUnit = 8;
2282 }
2283 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2284 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2285 io->Information = sizeof(*info);
2286 io->u.Status = STATUS_SUCCESS;
2287 }
2288 }
2289 break;
2290 case FileFsDeviceInformation:
2291 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2292 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2293 else
2294 {
2295 FILE_FS_DEVICE_INFORMATION *info = buffer;
2296
2297 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2298 io->Information = sizeof(*info);
2299 }
2300 break;
2301 case FileFsAttributeInformation:
2302 FIXME( "%p: attribute info not supported\n", handle );
2303 break;
2304 case FileFsControlInformation:
2305 FIXME( "%p: control info not supported\n", handle );
2306 break;
2307 case FileFsFullSizeInformation:
2308 FIXME( "%p: full size info not supported\n", handle );
2309 break;
2310 case FileFsObjectIdInformation:
2311 FIXME( "%p: object id info not supported\n", handle );
2312 break;
2313 case FileFsMaximumInformation:
2314 FIXME( "%p: maximum info not supported\n", handle );
2315 break;
2316 default:
2317 io->u.Status = STATUS_INVALID_PARAMETER;
2318 break;
2319 }
2320 if (needs_close) close( fd );
2321 return io->u.Status;
2322 }
2323
2324
2325 /******************************************************************
2326 * NtQueryEaFile (NTDLL.@)
2327 *
2328 * Read extended attributes from NTFS files.
2329 *
2330 * PARAMS
2331 * hFile [I] File handle, must be opened with FILE_READ_EA access
2332 * iosb [O] Receives information about the operation on return
2333 * buffer [O] Output buffer
2334 * length [I] Length of output buffer
2335 * single_entry [I] Only read and return one entry
2336 * ea_list [I] Optional list with names of EAs to return
2337 * ea_list_len [I] Length of ea_list in bytes
2338 * ea_index [I] Optional pointer to 1-based index of attribute to return
2339 * restart [I] restart EA scan
2340 *
2341 * RETURNS
2342 * Success: 0. Atrributes read into buffer
2343 * Failure: An NTSTATUS error code describing the error.
2344 */
2345 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2346 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2347 PULONG ea_index, BOOLEAN restart )
2348 {
2349 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2350 hFile, iosb, buffer, length, single_entry, ea_list,
2351 ea_list_len, ea_index, restart);
2352 return STATUS_ACCESS_DENIED;
2353 }
2354
2355
2356 /******************************************************************
2357 * NtSetEaFile (NTDLL.@)
2358 *
2359 * Update extended attributes for NTFS files.
2360 *
2361 * PARAMS
2362 * hFile [I] File handle, must be opened with FILE_READ_EA access
2363 * iosb [O] Receives information about the operation on return
2364 * buffer [I] Buffer with EA information
2365 * length [I] Length of buffer
2366 *
2367 * RETURNS
2368 * Success: 0. Attributes are updated
2369 * Failure: An NTSTATUS error code describing the error.
2370 */
2371 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2372 {
2373 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2374 return STATUS_ACCESS_DENIED;
2375 }
2376
2377
2378 /******************************************************************
2379 * NtFlushBuffersFile (NTDLL.@)
2380 *
2381 * Flush any buffered data on an open file handle.
2382 *
2383 * PARAMS
2384 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2385 * IoStatusBlock [O] Receives information about the operation on return
2386 *
2387 * RETURNS
2388 * Success: 0. IoStatusBlock is updated.
2389 * Failure: An NTSTATUS error code describing the error.
2390 */
2391 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2392 {
2393 NTSTATUS ret;
2394 HANDLE hEvent = NULL;
2395
2396 SERVER_START_REQ( flush_file )
2397 {
2398 req->handle = wine_server_obj_handle( hFile );
2399 ret = wine_server_call( req );
2400 hEvent = wine_server_ptr_handle( reply->event );
2401 }
2402 SERVER_END_REQ;
2403 if (!ret && hEvent)
2404 {
2405 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2406 NtClose( hEvent );
2407 }
2408 return ret;
2409 }
2410
2411 /******************************************************************
2412 * NtLockFile (NTDLL.@)
2413 *
2414 *
2415 */
2416 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2417 PIO_APC_ROUTINE apc, void* apc_user,
2418 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2419 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2420 BOOLEAN exclusive )
2421 {
2422 NTSTATUS ret;
2423 HANDLE handle;
2424 BOOLEAN async;
2425 static BOOLEAN warn = TRUE;
2426
2427 if (apc || io_status || key)
2428 {
2429 FIXME("Unimplemented yet parameter\n");
2430 return STATUS_NOT_IMPLEMENTED;
2431 }
2432
2433 if (apc_user && warn)
2434 {
2435 FIXME("I/O completion on lock not implemented yet\n");
2436 warn = FALSE;
2437 }
2438
2439 for (;;)
2440 {
2441 SERVER_START_REQ( lock_file )
2442 {
2443 req->handle = wine_server_obj_handle( hFile );
2444 req->offset = offset->QuadPart;
2445 req->count = count->QuadPart;
2446 req->shared = !exclusive;
2447 req->wait = !dont_wait;
2448 ret = wine_server_call( req );
2449 handle = wine_server_ptr_handle( reply->handle );
2450 async = reply->overlapped;
2451 }
2452 SERVER_END_REQ;
2453 if (ret != STATUS_PENDING)
2454 {
2455 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2456 return ret;
2457 }
2458
2459 if (async)
2460 {
2461 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2462 if (handle) NtClose( handle );
2463 return STATUS_PENDING;
2464 }
2465 if (handle)
2466 {
2467 NtWaitForSingleObject( handle, FALSE, NULL );
2468 NtClose( handle );
2469 }
2470 else
2471 {
2472 LARGE_INTEGER time;
2473
2474 /* Unix lock conflict, sleep a bit and retry */
2475 time.QuadPart = 100 * (ULONGLONG)10000;
2476 time.QuadPart = -time.QuadPart;
2477 NtDelayExecution( FALSE, &time );
2478 }
2479 }
2480 }
2481
2482
2483 /******************************************************************
2484 * NtUnlockFile (NTDLL.@)
2485 *
2486 *
2487 */
2488 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2489 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2490 PULONG key )
2491 {
2492 NTSTATUS status;
2493
2494 TRACE( "%p %x%08x %x%08x\n",
2495 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2496
2497 if (io_status || key)
2498 {
2499 FIXME("Unimplemented yet parameter\n");
2500 return STATUS_NOT_IMPLEMENTED;
2501 }
2502
2503 SERVER_START_REQ( unlock_file )
2504 {
2505 req->handle = wine_server_obj_handle( hFile );
2506 req->offset = offset->QuadPart;
2507 req->count = count->QuadPart;
2508 status = wine_server_call( req );
2509 }
2510 SERVER_END_REQ;
2511 return status;
2512 }
2513
2514 /******************************************************************
2515 * NtCreateNamedPipeFile (NTDLL.@)
2516 *
2517 *
2518 */
2519 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2520 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2521 ULONG sharing, ULONG dispo, ULONG options,
2522 ULONG pipe_type, ULONG read_mode,
2523 ULONG completion_mode, ULONG max_inst,
2524 ULONG inbound_quota, ULONG outbound_quota,
2525 PLARGE_INTEGER timeout)
2526 {
2527 NTSTATUS status;
2528
2529 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2530 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2531 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2532 outbound_quota, timeout);
2533
2534 /* assume we only get relative timeout */
2535 if (timeout->QuadPart > 0)
2536 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2537
2538 SERVER_START_REQ( create_named_pipe )
2539 {
2540 req->access = access;
2541 req->attributes = attr->Attributes;
2542 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2543 req->options = options;
2544 req->flags =
2545 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2546 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2547 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2548 req->maxinstances = max_inst;
2549 req->outsize = outbound_quota;
2550 req->insize = inbound_quota;
2551 req->timeout = timeout->QuadPart;
2552 wine_server_add_data( req, attr->ObjectName->Buffer,
2553 attr->ObjectName->Length );
2554 status = wine_server_call( req );
2555 if (!status) *handle = wine_server_ptr_handle( reply->handle );
2556 }
2557 SERVER_END_REQ;
2558 return status;
2559 }
2560
2561 /******************************************************************
2562 * NtDeleteFile (NTDLL.@)
2563 *
2564 *
2565 */
2566 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2567 {
2568 NTSTATUS status;
2569 HANDLE hFile;
2570 IO_STATUS_BLOCK io;
2571
2572 TRACE("%p\n", ObjectAttributes);
2573 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2574 ObjectAttributes, &io, NULL, 0,
2575 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2576 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2577 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2578 return status;
2579 }
2580
2581 /******************************************************************
2582 * NtCancelIoFile (NTDLL.@)
2583 *
2584 *
2585 */
2586 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2587 {
2588 LARGE_INTEGER timeout;
2589
2590 TRACE("%p %p\n", hFile, io_status );
2591
2592 SERVER_START_REQ( cancel_async )
2593 {
2594 req->handle = wine_server_obj_handle( hFile );
2595 wine_server_call( req );
2596 }
2597 SERVER_END_REQ;
2598 /* Let some APC be run, so that we can run the remaining APCs on hFile
2599 * either the cancelation of the pending one, but also the execution
2600 * of the queued APC, but not yet run. This is needed to ensure proper
2601 * clean-up of allocated data.
2602 */
2603 timeout.u.LowPart = timeout.u.HighPart = 0;
2604 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2605 }
2606
2607 /******************************************************************************
2608 * NtCreateMailslotFile [NTDLL.@]
2609 * ZwCreateMailslotFile [NTDLL.@]
2610 *
2611 * PARAMS
2612 * pHandle [O] pointer to receive the handle created
2613 * DesiredAccess [I] access mode (read, write, etc)
2614 * ObjectAttributes [I] fully qualified NT path of the mailslot
2615 * IoStatusBlock [O] receives completion status and other info
2616 * CreateOptions [I]
2617 * MailslotQuota [I]
2618 * MaxMessageSize [I]
2619 * TimeOut [I]
2620 *
2621 * RETURNS
2622 * An NT status code
2623 */
2624 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2625 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2626 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2627 PLARGE_INTEGER TimeOut)
2628 {
2629 LARGE_INTEGER timeout;
2630 NTSTATUS ret;
2631
2632 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2633 pHandle, DesiredAccess, attr, IoStatusBlock,
2634 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2635
2636 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2637 if (!attr) return STATUS_INVALID_PARAMETER;
2638 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2639
2640 /*
2641 * For a NULL TimeOut pointer set the default timeout value
2642 */
2643 if (!TimeOut)
2644 timeout.QuadPart = -1;
2645 else
2646 timeout.QuadPart = TimeOut->QuadPart;
2647
2648 SERVER_START_REQ( create_mailslot )
2649 {
2650 req->access = DesiredAccess;
2651 req->attributes = attr->Attributes;
2652 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2653 req->max_msgsize = MaxMessageSize;
2654 req->read_timeout = timeout.QuadPart;
2655 wine_server_add_data( req, attr->ObjectName->Buffer,
2656 attr->ObjectName->Length );
2657 ret = wine_server_call( req );
2658 if( ret == STATUS_SUCCESS )
2659 *pHandle = wine_server_ptr_handle( reply->handle );
2660 }
2661 SERVER_END_REQ;
2662
2663 return ret;
2664 }
Maarten's multimedia branch