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comdlg32: Clamp hue and saturation when clicking in colour graph in colour dialog.
[wine/wine64.git] / dlls / ntdll / file.c
blobd4e80ab81a6fdb74e66c8aa376c797ac55232ed3
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_SYS_IOCTL_H
46 #include <sys/ioctl.h>
47 #endif
48 #ifdef HAVE_POLL_H
49 #include <poll.h>
50 #endif
51 #ifdef HAVE_SYS_POLL_H
52 #include <sys/poll.h>
53 #endif
54 #ifdef HAVE_SYS_SOCKET_H
55 #include <sys/socket.h>
56 #endif
57 #ifdef HAVE_UTIME_H
58 # include <utime.h>
59 #endif
60 #ifdef HAVE_SYS_VFS_H
61 # include <sys/vfs.h>
62 #endif
63 #ifdef HAVE_SYS_MOUNT_H
64 # include <sys/mount.h>
65 #endif
66 #ifdef HAVE_SYS_STATFS_H
67 # include <sys/statfs.h>
68 #endif
69
70 #define NONAMELESSUNION
71 #define NONAMELESSSTRUCT
72 #include "ntstatus.h"
73 #define WIN32_NO_STATUS
74 #include "wine/unicode.h"
75 #include "wine/debug.h"
76 #include "thread.h"
77 #include "wine/server.h"
78 #include "ntdll_misc.h"
79
80 #include "winternl.h"
81 #include "winioctl.h"
82 #include "ddk/ntddser.h"
83
84 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
85
86 mode_t FILE_umask = 0;
87
88 #define SECSPERDAY 86400
89 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
90
91 /**************************************************************************
92 * NtOpenFile [NTDLL.@]
93 * ZwOpenFile [NTDLL.@]
94 *
95 * Open a file.
96 *
97 * PARAMS
98 * handle [O] Variable that receives the file handle on return
99 * access [I] Access desired by the caller to the file
100 * attr [I] Structure describing the file to be opened
101 * io [O] Receives details about the result of the operation
102 * sharing [I] Type of shared access the caller requires
103 * options [I] Options for the file open
104 *
105 * RETURNS
106 * Success: 0. FileHandle and IoStatusBlock are updated.
107 * Failure: An NTSTATUS error code describing the error.
108 */
109 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
110 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
111 ULONG sharing, ULONG options )
112 {
113 return NtCreateFile( handle, access, attr, io, NULL, 0,
114 sharing, FILE_OPEN, options, NULL, 0 );
115 }
116
117 /**************************************************************************
118 * NtCreateFile [NTDLL.@]
119 * ZwCreateFile [NTDLL.@]
120 *
121 * Either create a new file or directory, or open an existing file, device,
122 * directory or volume.
123 *
124 * PARAMS
125 * handle [O] Points to a variable which receives the file handle on return
126 * access [I] Desired access to the file
127 * attr [I] Structure describing the file
128 * io [O] Receives information about the operation on return
129 * alloc_size [I] Initial size of the file in bytes
130 * attributes [I] Attributes to create the file with
131 * sharing [I] Type of shared access the caller would like to the file
132 * disposition [I] Specifies what to do, depending on whether the file already exists
133 * options [I] Options for creating a new file
134 * ea_buffer [I] Pointer to an extended attributes buffer
135 * ea_length [I] Length of ea_buffer
136 *
137 * RETURNS
138 * Success: 0. handle and io are updated.
139 * Failure: An NTSTATUS error code describing the error.
140 */
141 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
142 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
143 ULONG attributes, ULONG sharing, ULONG disposition,
144 ULONG options, PVOID ea_buffer, ULONG ea_length )
145 {
146 ANSI_STRING unix_name;
147 int created = FALSE;
148
149 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
150 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
151 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
152 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
153 attributes, sharing, disposition, options, ea_buffer, ea_length );
154
155 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
156
157 if (alloc_size) FIXME( "alloc_size not supported\n" );
158
159 if (attr->RootDirectory)
160 {
161 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
162 return STATUS_OBJECT_NAME_NOT_FOUND;
163 }
164
165 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
166 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
167
168 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
169 {
170 SERVER_START_REQ( open_file_object )
171 {
172 req->access = access;
173 req->attributes = attr->Attributes;
174 req->rootdir = attr->RootDirectory;
175 req->sharing = sharing;
176 req->options = options;
177 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
178 io->u.Status = wine_server_call( req );
179 *handle = reply->handle;
180 }
181 SERVER_END_REQ;
182 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
183 return io->u.Status;
184 }
185
186 if (io->u.Status == STATUS_NO_SUCH_FILE &&
187 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
188 {
189 created = TRUE;
190 io->u.Status = STATUS_SUCCESS;
191 }
192
193 if (io->u.Status == STATUS_SUCCESS)
194 {
195 struct security_descriptor *sd = NULL;
196 struct object_attributes objattr;
197
198 objattr.rootdir = 0;
199 objattr.sd_len = 0;
200 objattr.name_len = 0;
201 if (attr)
202 {
203 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
204 if (io->u.Status != STATUS_SUCCESS)
205 {
206 RtlFreeAnsiString( &unix_name );
207 return io->u.Status;
208 }
209 }
210
211 SERVER_START_REQ( create_file )
212 {
213 req->access = access;
214 req->attributes = attr->Attributes;
215 req->sharing = sharing;
216 req->create = disposition;
217 req->options = options;
218 req->attrs = attributes;
219 wine_server_add_data( req, &objattr, sizeof(objattr) );
220 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
221 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
222 io->u.Status = wine_server_call( req );
223 *handle = reply->handle;
224 }
225 SERVER_END_REQ;
226 NTDLL_free_struct_sd( sd );
227 RtlFreeAnsiString( &unix_name );
228 }
229 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
230
231 if (io->u.Status == STATUS_SUCCESS)
232 {
233 if (created) io->Information = FILE_CREATED;
234 else switch(disposition)
235 {
236 case FILE_SUPERSEDE:
237 io->Information = FILE_SUPERSEDED;
238 break;
239 case FILE_CREATE:
240 io->Information = FILE_CREATED;
241 break;
242 case FILE_OPEN:
243 case FILE_OPEN_IF:
244 io->Information = FILE_OPENED;
245 break;
246 case FILE_OVERWRITE:
247 case FILE_OVERWRITE_IF:
248 io->Information = FILE_OVERWRITTEN;
249 break;
250 }
251 }
252
253 return io->u.Status;
254 }
255
256 /***********************************************************************
257 * Asynchronous file I/O *
258 */
259
260 struct async_fileio
261 {
262 HANDLE handle;
263 PIO_APC_ROUTINE apc;
264 void *apc_arg;
265 };
266
267 typedef struct
268 {
269 struct async_fileio io;
270 char* buffer;
271 unsigned int already;
272 unsigned int count;
273 BOOL avail_mode;
274 } async_fileio_read;
275
276 typedef struct
277 {
278 struct async_fileio io;
279 const char *buffer;
280 unsigned int already;
281 unsigned int count;
282 } async_fileio_write;
283
284
285 /* callback for file I/O user APC */
286 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
287 {
288 struct async_fileio *async = arg;
289 if (async->apc) async->apc( async->apc_arg, io, reserved );
290 RtlFreeHeap( GetProcessHeap(), 0, async );
291 }
292
293 /***********************************************************************
294 * FILE_GetNtStatus(void)
295 *
296 * Retrieve the Nt Status code from errno.
297 * Try to be consistent with FILE_SetDosError().
298 */
299 NTSTATUS FILE_GetNtStatus(void)
300 {
301 int err = errno;
302
303 TRACE( "errno = %d\n", errno );
304 switch (err)
305 {
306 case EAGAIN: return STATUS_SHARING_VIOLATION;
307 case EBADF: return STATUS_INVALID_HANDLE;
308 case EBUSY: return STATUS_DEVICE_BUSY;
309 case ENOSPC: return STATUS_DISK_FULL;
310 case EPERM:
311 case EROFS:
312 case EACCES: return STATUS_ACCESS_DENIED;
313 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
314 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
315 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
316 case EMFILE:
317 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
318 case EINVAL: return STATUS_INVALID_PARAMETER;
319 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
320 case EPIPE: return STATUS_PIPE_DISCONNECTED;
321 case EIO: return STATUS_DEVICE_NOT_READY;
322 #ifdef ENOMEDIUM
323 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
324 #endif
325 case ENXIO: return STATUS_NO_SUCH_DEVICE;
326 case ENOTTY:
327 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
328 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
329 case EFAULT: return STATUS_ACCESS_VIOLATION;
330 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
331 case ENOEXEC: /* ?? */
332 case EEXIST: /* ?? */
333 default:
334 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
335 return STATUS_UNSUCCESSFUL;
336 }
337 }
338
339 /***********************************************************************
340 * FILE_AsyncReadService (INTERNAL)
341 */
342 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, ULONG_PTR *total)
343 {
344 async_fileio_read *fileio = user;
345 int fd, needs_close, result;
346
347 switch (status)
348 {
349 case STATUS_ALERTED: /* got some new data */
350 /* check to see if the data is ready (non-blocking) */
351 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
352 &needs_close, NULL, NULL )))
353 break;
354
355 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
356 if (needs_close) close( fd );
357
358 if (result < 0)
359 {
360 if (errno == EAGAIN || errno == EINTR)
361 status = STATUS_PENDING;
362 else /* check to see if the transfer is complete */
363 status = FILE_GetNtStatus();
364 }
365 else if (result == 0)
366 {
367 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
368 }
369 else
370 {
371 fileio->already += result;
372 if (fileio->already >= fileio->count || fileio->avail_mode)
373 status = STATUS_SUCCESS;
374 else
375 {
376 /* if we only have to read the available data, and none is available,
377 * simply cancel the request. If data was available, it has been read
378 * while in by previous call (NtDelayExecution)
379 */
380 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
381 }
382 }
383 break;
384
385 case STATUS_TIMEOUT:
386 case STATUS_IO_TIMEOUT:
387 if (fileio->already) status = STATUS_SUCCESS;
388 break;
389 }
390 if (status != STATUS_PENDING)
391 {
392 iosb->u.Status = status;
393 iosb->Information = *total = fileio->already;
394 }
395 return status;
396 }
397
398 struct io_timeouts
399 {
400 int interval; /* max interval between two bytes */
401 int total; /* total timeout for the whole operation */
402 int end_time; /* absolute time of end of operation */
403 };
404
405 /* retrieve the I/O timeouts to use for a given handle */
406 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
407 struct io_timeouts *timeouts )
408 {
409 NTSTATUS status = STATUS_SUCCESS;
410
411 timeouts->interval = timeouts->total = -1;
412
413 switch(type)
414 {
415 case FD_TYPE_SERIAL:
416 {
417 /* GetCommTimeouts */
418 SERIAL_TIMEOUTS st;
419 IO_STATUS_BLOCK io;
420
421 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
422 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
423 if (status) break;
424
425 if (is_read)
426 {
427 if (st.ReadIntervalTimeout)
428 timeouts->interval = st.ReadIntervalTimeout;
429
430 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
431 {
432 timeouts->total = st.ReadTotalTimeoutConstant;
433 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
434 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
435 }
436 else if (st.ReadIntervalTimeout == MAXDWORD)
437 timeouts->interval = 0;
438 }
439 else /* write */
440 {
441 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
442 {
443 timeouts->total = st.WriteTotalTimeoutConstant;
444 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
445 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
446 }
447 }
448 }
449 break;
450 case FD_TYPE_MAILSLOT:
451 if (is_read)
452 {
453 timeouts->interval = 0; /* return as soon as we got something */
454 SERVER_START_REQ( set_mailslot_info )
455 {
456 req->handle = handle;
457 req->flags = 0;
458 if (!(status = wine_server_call( req )) &&
459 reply->read_timeout != TIMEOUT_INFINITE)
460 timeouts->total = reply->read_timeout / -10000;
461 }
462 SERVER_END_REQ;
463 }
464 break;
465 case FD_TYPE_SOCKET:
466 case FD_TYPE_PIPE:
467 case FD_TYPE_CHAR:
468 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
469 break;
470 default:
471 break;
472 }
473 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
474 return STATUS_SUCCESS;
475 }
476
477
478 /* retrieve the timeout for the next wait, in milliseconds */
479 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
480 {
481 int ret = -1;
482
483 if (timeouts->total != -1)
484 {
485 ret = timeouts->end_time - NtGetTickCount();
486 if (ret < 0) ret = 0;
487 }
488 if (already && timeouts->interval != -1)
489 {
490 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
491 }
492 return ret;
493 }
494
495
496 /* retrieve the avail_mode flag for async reads */
497 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
498 {
499 NTSTATUS status = STATUS_SUCCESS;
500
501 switch(type)
502 {
503 case FD_TYPE_SERIAL:
504 {
505 /* GetCommTimeouts */
506 SERIAL_TIMEOUTS st;
507 IO_STATUS_BLOCK io;
508
509 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
510 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
511 if (status) break;
512 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
513 !st.ReadTotalTimeoutConstant &&
514 st.ReadIntervalTimeout == MAXDWORD);
515 }
516 break;
517 case FD_TYPE_MAILSLOT:
518 case FD_TYPE_SOCKET:
519 case FD_TYPE_PIPE:
520 case FD_TYPE_CHAR:
521 *avail_mode = TRUE;
522 break;
523 default:
524 *avail_mode = FALSE;
525 break;
526 }
527 return status;
528 }
529
530
531 /******************************************************************************
532 * NtReadFile [NTDLL.@]
533 * ZwReadFile [NTDLL.@]
534 *
535 * Read from an open file handle.
536 *
537 * PARAMS
538 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
539 * Event [I] Event to signal upon completion (or NULL)
540 * ApcRoutine [I] Callback to call upon completion (or NULL)
541 * ApcContext [I] Context for ApcRoutine (or NULL)
542 * IoStatusBlock [O] Receives information about the operation on return
543 * Buffer [O] Destination for the data read
544 * Length [I] Size of Buffer
545 * ByteOffset [O] Destination for the new file pointer position (or NULL)
546 * Key [O] Function unknown (may be NULL)
547 *
548 * RETURNS
549 * Success: 0. IoStatusBlock is updated, and the Information member contains
550 * The number of bytes read.
551 * Failure: An NTSTATUS error code describing the error.
552 */
553 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
554 PIO_APC_ROUTINE apc, void* apc_user,
555 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
556 PLARGE_INTEGER offset, PULONG key)
557 {
558 int result, unix_handle, needs_close, timeout_init_done = 0;
559 unsigned int options;
560 struct io_timeouts timeouts;
561 NTSTATUS status;
562 ULONG total = 0;
563 enum server_fd_type type;
564 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
565
566 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
567 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
568
569 if (!io_status) return STATUS_ACCESS_VIOLATION;
570
571 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
572 &needs_close, &type, &options );
573 if (status) return status;
574
575 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
576 {
577 /* async I/O doesn't make sense on regular files */
578 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
579 {
580 if (errno != EINTR)
581 {
582 status = FILE_GetNtStatus();
583 goto done;
584 }
585 }
586 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
587 /* update file pointer position */
588 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
589
590 total = result;
591 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
592 goto done;
593 }
594
595 for (;;)
596 {
597 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
598 {
599 total += result;
600 if (!result || total == length)
601 {
602 if (total)
603 status = STATUS_SUCCESS;
604 else
605 status = (type == FD_TYPE_FILE || type == FD_TYPE_CHAR) ? STATUS_END_OF_FILE : STATUS_PIPE_BROKEN;
606 goto done;
607 }
608 }
609 else
610 {
611 if (errno == EINTR) continue;
612 if (errno != EAGAIN)
613 {
614 status = FILE_GetNtStatus();
615 goto done;
616 }
617 }
618
619 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
620 {
621 async_fileio_read *fileio;
622 BOOL avail_mode;
623
624 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
625 goto err;
626 if (total && avail_mode)
627 {
628 status = STATUS_SUCCESS;
629 goto done;
630 }
631
632 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
633 {
634 status = STATUS_NO_MEMORY;
635 goto err;
636 }
637 fileio->io.handle = hFile;
638 fileio->io.apc = apc;
639 fileio->io.apc_arg = apc_user;
640 fileio->already = total;
641 fileio->count = length;
642 fileio->buffer = buffer;
643 fileio->avail_mode = avail_mode;
644
645 SERVER_START_REQ( register_async )
646 {
647 req->handle = hFile;
648 req->type = ASYNC_TYPE_READ;
649 req->count = length;
650 req->async.callback = FILE_AsyncReadService;
651 req->async.iosb = io_status;
652 req->async.arg = fileio;
653 req->async.apc = fileio_apc;
654 req->async.event = hEvent;
655 req->async.cvalue = cvalue;
656 status = wine_server_call( req );
657 }
658 SERVER_END_REQ;
659
660 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
661 goto err;
662 }
663 else /* synchronous read, wait for the fd to become ready */
664 {
665 struct pollfd pfd;
666 int ret, timeout;
667
668 if (!timeout_init_done)
669 {
670 timeout_init_done = 1;
671 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
672 goto err;
673 if (hEvent) NtResetEvent( hEvent, NULL );
674 }
675 timeout = get_next_io_timeout( &timeouts, total );
676
677 pfd.fd = unix_handle;
678 pfd.events = POLLIN;
679
680 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
681 {
682 if (total) /* return with what we got so far */
683 status = STATUS_SUCCESS;
684 else
685 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
686 goto done;
687 }
688 if (ret == -1 && errno != EINTR)
689 {
690 status = FILE_GetNtStatus();
691 goto done;
692 }
693 /* will now restart the read */
694 }
695 }
696
697 done:
698 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
699
700 err:
701 if (needs_close) close( unix_handle );
702 if (status == STATUS_SUCCESS)
703 {
704 io_status->u.Status = status;
705 io_status->Information = total;
706 TRACE("= SUCCESS (%u)\n", total);
707 if (hEvent) NtSetEvent( hEvent, NULL );
708 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
709 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
710 }
711 else
712 {
713 TRACE("= 0x%08x\n", status);
714 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
715 }
716 return status;
717 }
718
719 /***********************************************************************
720 * FILE_AsyncWriteService (INTERNAL)
721 */
722 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, ULONG_PTR *total)
723 {
724 async_fileio_write *fileio = user;
725 int result, fd, needs_close;
726 enum server_fd_type type;
727
728 switch (status)
729 {
730 case STATUS_ALERTED:
731 /* write some data (non-blocking) */
732 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
733 &needs_close, &type, NULL )))
734 break;
735
736 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
737 result = send( fd, fileio->buffer, 0, 0 );
738 else
739 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
740
741 if (needs_close) close( fd );
742
743 if (result < 0)
744 {
745 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
746 else status = FILE_GetNtStatus();
747 }
748 else
749 {
750 fileio->already += result;
751 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
752 }
753 break;
754
755 case STATUS_TIMEOUT:
756 case STATUS_IO_TIMEOUT:
757 if (fileio->already) status = STATUS_SUCCESS;
758 break;
759 }
760 if (status != STATUS_PENDING)
761 {
762 iosb->u.Status = status;
763 iosb->Information = *total = fileio->already;
764 }
765 return status;
766 }
767
768 /******************************************************************************
769 * NtWriteFile [NTDLL.@]
770 * ZwWriteFile [NTDLL.@]
771 *
772 * Write to an open file handle.
773 *
774 * PARAMS
775 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
776 * Event [I] Event to signal upon completion (or NULL)
777 * ApcRoutine [I] Callback to call upon completion (or NULL)
778 * ApcContext [I] Context for ApcRoutine (or NULL)
779 * IoStatusBlock [O] Receives information about the operation on return
780 * Buffer [I] Source for the data to write
781 * Length [I] Size of Buffer
782 * ByteOffset [O] Destination for the new file pointer position (or NULL)
783 * Key [O] Function unknown (may be NULL)
784 *
785 * RETURNS
786 * Success: 0. IoStatusBlock is updated, and the Information member contains
787 * The number of bytes written.
788 * Failure: An NTSTATUS error code describing the error.
789 */
790 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
791 PIO_APC_ROUTINE apc, void* apc_user,
792 PIO_STATUS_BLOCK io_status,
793 const void* buffer, ULONG length,
794 PLARGE_INTEGER offset, PULONG key)
795 {
796 int result, unix_handle, needs_close, timeout_init_done = 0;
797 unsigned int options;
798 struct io_timeouts timeouts;
799 NTSTATUS status;
800 ULONG total = 0;
801 enum server_fd_type type;
802 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
803
804 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
805 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
806
807 if (!io_status) return STATUS_ACCESS_VIOLATION;
808
809 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
810 &needs_close, &type, &options );
811 if (status) return status;
812
813 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
814 {
815 /* async I/O doesn't make sense on regular files */
816 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
817 {
818 if (errno != EINTR)
819 {
820 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
821 else status = FILE_GetNtStatus();
822 goto done;
823 }
824 }
825
826 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
827 /* update file pointer position */
828 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
829
830 total = result;
831 status = STATUS_SUCCESS;
832 goto done;
833 }
834
835 for (;;)
836 {
837 /* zero-length writes on sockets may not work with plain write(2) */
838 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
839 result = send( unix_handle, buffer, 0, 0 );
840 else
841 result = write( unix_handle, (const char *)buffer + total, length - total );
842
843 if (result >= 0)
844 {
845 total += result;
846 if (total == length)
847 {
848 status = STATUS_SUCCESS;
849 goto done;
850 }
851 }
852 else
853 {
854 if (errno == EINTR) continue;
855 if (errno != EAGAIN)
856 {
857 if (errno == EFAULT)
858 {
859 status = STATUS_INVALID_USER_BUFFER;
860 goto err;
861 }
862 status = FILE_GetNtStatus();
863 goto done;
864 }
865 }
866
867 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
868 {
869 async_fileio_write *fileio;
870
871 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
872 {
873 status = STATUS_NO_MEMORY;
874 goto err;
875 }
876 fileio->io.handle = hFile;
877 fileio->io.apc = apc;
878 fileio->io.apc_arg = apc_user;
879 fileio->already = total;
880 fileio->count = length;
881 fileio->buffer = buffer;
882
883 SERVER_START_REQ( register_async )
884 {
885 req->handle = hFile;
886 req->type = ASYNC_TYPE_WRITE;
887 req->count = length;
888 req->async.callback = FILE_AsyncWriteService;
889 req->async.iosb = io_status;
890 req->async.arg = fileio;
891 req->async.apc = fileio_apc;
892 req->async.event = hEvent;
893 req->async.cvalue = cvalue;
894 status = wine_server_call( req );
895 }
896 SERVER_END_REQ;
897
898 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
899 goto err;
900 }
901 else /* synchronous write, wait for the fd to become ready */
902 {
903 struct pollfd pfd;
904 int ret, timeout;
905
906 if (!timeout_init_done)
907 {
908 timeout_init_done = 1;
909 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
910 goto err;
911 if (hEvent) NtResetEvent( hEvent, NULL );
912 }
913 timeout = get_next_io_timeout( &timeouts, total );
914
915 pfd.fd = unix_handle;
916 pfd.events = POLLOUT;
917
918 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
919 {
920 /* return with what we got so far */
921 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
922 goto done;
923 }
924 if (ret == -1 && errno != EINTR)
925 {
926 status = FILE_GetNtStatus();
927 goto done;
928 }
929 /* will now restart the write */
930 }
931 }
932
933 done:
934 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
935
936 err:
937 if (needs_close) close( unix_handle );
938 if (status == STATUS_SUCCESS)
939 {
940 io_status->u.Status = status;
941 io_status->Information = total;
942 TRACE("= SUCCESS (%u)\n", total);
943 if (hEvent) NtSetEvent( hEvent, NULL );
944 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
945 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
946 }
947 else
948 {
949 TRACE("= 0x%08x\n", status);
950 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
951 }
952 return status;
953 }
954
955
956 struct async_ioctl
957 {
958 HANDLE handle; /* handle to the device */
959 void *buffer; /* buffer for output */
960 ULONG size; /* size of buffer */
961 PIO_APC_ROUTINE apc; /* user apc params */
962 void *apc_arg;
963 };
964
965 /* callback for ioctl async I/O completion */
966 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
967 {
968 struct async_ioctl *async = arg;
969
970 if (status == STATUS_ALERTED)
971 {
972 SERVER_START_REQ( get_ioctl_result )
973 {
974 req->handle = async->handle;
975 req->user_arg = async;
976 wine_server_set_reply( req, async->buffer, async->size );
977 if (!(status = wine_server_call( req )))
978 io->Information = wine_server_reply_size( reply );
979 }
980 SERVER_END_REQ;
981 }
982 if (status != STATUS_PENDING) io->u.Status = status;
983 return status;
984 }
985
986 /* callback for ioctl user APC */
987 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
988 {
989 struct async_ioctl *async = arg;
990 if (async->apc) async->apc( async->apc_arg, io, reserved );
991 RtlFreeHeap( GetProcessHeap(), 0, async );
992 }
993
994 /* do a ioctl call through the server */
995 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
996 PIO_APC_ROUTINE apc, PVOID apc_context,
997 IO_STATUS_BLOCK *io, ULONG code,
998 const void *in_buffer, ULONG in_size,
999 PVOID out_buffer, ULONG out_size )
1000 {
1001 struct async_ioctl *async;
1002 NTSTATUS status;
1003 HANDLE wait_handle;
1004 ULONG options;
1005 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1006
1007 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1008 return STATUS_NO_MEMORY;
1009 async->handle = handle;
1010 async->buffer = out_buffer;
1011 async->size = out_size;
1012 async->apc = apc;
1013 async->apc_arg = apc_context;
1014
1015 SERVER_START_REQ( ioctl )
1016 {
1017 req->handle = handle;
1018 req->code = code;
1019 req->async.callback = ioctl_completion;
1020 req->async.iosb = io;
1021 req->async.arg = async;
1022 req->async.apc = (apc || event) ? ioctl_apc : NULL;
1023 req->async.event = event;
1024 req->async.cvalue = cvalue;
1025 wine_server_add_data( req, in_buffer, in_size );
1026 wine_server_set_reply( req, out_buffer, out_size );
1027 if (!(status = wine_server_call( req )))
1028 io->Information = wine_server_reply_size( reply );
1029 wait_handle = reply->wait;
1030 options = reply->options;
1031 }
1032 SERVER_END_REQ;
1033
1034 if (status == STATUS_NOT_SUPPORTED)
1035 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1036 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1037
1038 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1039
1040 if (wait_handle)
1041 {
1042 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1043 status = io->u.Status;
1044 NtClose( wait_handle );
1045 RtlFreeHeap( GetProcessHeap(), 0, async );
1046 }
1047
1048 return status;
1049 }
1050
1051
1052 /**************************************************************************
1053 * NtDeviceIoControlFile [NTDLL.@]
1054 * ZwDeviceIoControlFile [NTDLL.@]
1055 *
1056 * Perform an I/O control operation on an open file handle.
1057 *
1058 * PARAMS
1059 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1060 * event [I] Event to signal upon completion (or NULL)
1061 * apc [I] Callback to call upon completion (or NULL)
1062 * apc_context [I] Context for ApcRoutine (or NULL)
1063 * io [O] Receives information about the operation on return
1064 * code [I] Control code for the operation to perform
1065 * in_buffer [I] Source for any input data required (or NULL)
1066 * in_size [I] Size of InputBuffer
1067 * out_buffer [O] Source for any output data returned (or NULL)
1068 * out_size [I] Size of OutputBuffer
1069 *
1070 * RETURNS
1071 * Success: 0. IoStatusBlock is updated.
1072 * Failure: An NTSTATUS error code describing the error.
1073 */
1074 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1075 PIO_APC_ROUTINE apc, PVOID apc_context,
1076 PIO_STATUS_BLOCK io, ULONG code,
1077 PVOID in_buffer, ULONG in_size,
1078 PVOID out_buffer, ULONG out_size)
1079 {
1080 ULONG device = (code >> 16);
1081 NTSTATUS status = STATUS_NOT_SUPPORTED;
1082
1083 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1084 handle, event, apc, apc_context, io, code,
1085 in_buffer, in_size, out_buffer, out_size);
1086
1087 switch(device)
1088 {
1089 case FILE_DEVICE_DISK:
1090 case FILE_DEVICE_CD_ROM:
1091 case FILE_DEVICE_DVD:
1092 case FILE_DEVICE_CONTROLLER:
1093 case FILE_DEVICE_MASS_STORAGE:
1094 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1095 in_buffer, in_size, out_buffer, out_size);
1096 break;
1097 case FILE_DEVICE_SERIAL_PORT:
1098 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1099 in_buffer, in_size, out_buffer, out_size);
1100 break;
1101 case FILE_DEVICE_TAPE:
1102 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1103 in_buffer, in_size, out_buffer, out_size);
1104 break;
1105 }
1106
1107 if (status == STATUS_NOT_SUPPORTED)
1108 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1109 in_buffer, in_size, out_buffer, out_size );
1110
1111 if (status != STATUS_PENDING) io->u.Status = status;
1112 return status;
1113 }
1114
1115
1116 /**************************************************************************
1117 * NtFsControlFile [NTDLL.@]
1118 * ZwFsControlFile [NTDLL.@]
1119 *
1120 * Perform a file system control operation on an open file handle.
1121 *
1122 * PARAMS
1123 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1124 * event [I] Event to signal upon completion (or NULL)
1125 * apc [I] Callback to call upon completion (or NULL)
1126 * apc_context [I] Context for ApcRoutine (or NULL)
1127 * io [O] Receives information about the operation on return
1128 * code [I] Control code for the operation to perform
1129 * in_buffer [I] Source for any input data required (or NULL)
1130 * in_size [I] Size of InputBuffer
1131 * out_buffer [O] Source for any output data returned (or NULL)
1132 * out_size [I] Size of OutputBuffer
1133 *
1134 * RETURNS
1135 * Success: 0. IoStatusBlock is updated.
1136 * Failure: An NTSTATUS error code describing the error.
1137 */
1138 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1139 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1140 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1141 {
1142 NTSTATUS status;
1143
1144 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1145 handle, event, apc, apc_context, io, code,
1146 in_buffer, in_size, out_buffer, out_size);
1147
1148 if (!io) return STATUS_INVALID_PARAMETER;
1149
1150 switch(code)
1151 {
1152 case FSCTL_DISMOUNT_VOLUME:
1153 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1154 in_buffer, in_size, out_buffer, out_size );
1155 if (!status) status = DIR_unmount_device( handle );
1156 break;
1157
1158 case FSCTL_PIPE_PEEK:
1159 {
1160 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1161 int avail = 0, fd, needs_close;
1162
1163 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1164 {
1165 status = STATUS_INFO_LENGTH_MISMATCH;
1166 break;
1167 }
1168
1169 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1170 break;
1171
1172 #ifdef FIONREAD
1173 if (ioctl( fd, FIONREAD, &avail ) != 0)
1174 {
1175 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1176 if (needs_close) close( fd );
1177 status = FILE_GetNtStatus();
1178 break;
1179 }
1180 #endif
1181 if (!avail) /* check for closed pipe */
1182 {
1183 struct pollfd pollfd;
1184 int ret;
1185
1186 pollfd.fd = fd;
1187 pollfd.events = POLLIN;
1188 pollfd.revents = 0;
1189 ret = poll( &pollfd, 1, 0 );
1190 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1191 {
1192 if (needs_close) close( fd );
1193 status = STATUS_PIPE_BROKEN;
1194 break;
1195 }
1196 }
1197 buffer->NamedPipeState = 0; /* FIXME */
1198 buffer->ReadDataAvailable = avail;
1199 buffer->NumberOfMessages = 0; /* FIXME */
1200 buffer->MessageLength = 0; /* FIXME */
1201 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1202 status = STATUS_SUCCESS;
1203 if (avail)
1204 {
1205 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1206 if (data_size)
1207 {
1208 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1209 if (res >= 0) io->Information += res;
1210 }
1211 }
1212 if (needs_close) close( fd );
1213 }
1214 break;
1215
1216 case FSCTL_PIPE_DISCONNECT:
1217 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1218 in_buffer, in_size, out_buffer, out_size );
1219 if (!status)
1220 {
1221 int fd = server_remove_fd_from_cache( handle );
1222 if (fd != -1) close( fd );
1223 }
1224 break;
1225
1226 case FSCTL_PIPE_IMPERSONATE:
1227 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1228 status = RtlImpersonateSelf( SecurityImpersonation );
1229 break;
1230
1231 case FSCTL_LOCK_VOLUME:
1232 case FSCTL_UNLOCK_VOLUME:
1233 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1234 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1235 status = STATUS_SUCCESS;
1236 break;
1237
1238 case FSCTL_PIPE_LISTEN:
1239 case FSCTL_PIPE_WAIT:
1240 default:
1241 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1242 in_buffer, in_size, out_buffer, out_size );
1243 break;
1244 }
1245
1246 if (status != STATUS_PENDING) io->u.Status = status;
1247 return status;
1248 }
1249
1250 /******************************************************************************
1251 * NtSetVolumeInformationFile [NTDLL.@]
1252 * ZwSetVolumeInformationFile [NTDLL.@]
1253 *
1254 * Set volume information for an open file handle.
1255 *
1256 * PARAMS
1257 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1258 * IoStatusBlock [O] Receives information about the operation on return
1259 * FsInformation [I] Source for volume information
1260 * Length [I] Size of FsInformation
1261 * FsInformationClass [I] Type of volume information to set
1262 *
1263 * RETURNS
1264 * Success: 0. IoStatusBlock is updated.
1265 * Failure: An NTSTATUS error code describing the error.
1266 */
1267 NTSTATUS WINAPI NtSetVolumeInformationFile(
1268 IN HANDLE FileHandle,
1269 PIO_STATUS_BLOCK IoStatusBlock,
1270 PVOID FsInformation,
1271 ULONG Length,
1272 FS_INFORMATION_CLASS FsInformationClass)
1273 {
1274 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1275 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1276 return 0;
1277 }
1278
1279 /******************************************************************************
1280 * NtQueryInformationFile [NTDLL.@]
1281 * ZwQueryInformationFile [NTDLL.@]
1282 *
1283 * Get information about an open file handle.
1284 *
1285 * PARAMS
1286 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1287 * io [O] Receives information about the operation on return
1288 * ptr [O] Destination for file information
1289 * len [I] Size of FileInformation
1290 * class [I] Type of file information to get
1291 *
1292 * RETURNS
1293 * Success: 0. IoStatusBlock and FileInformation are updated.
1294 * Failure: An NTSTATUS error code describing the error.
1295 */
1296 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1297 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1298 {
1299 static const size_t info_sizes[] =
1300 {
1301 0,
1302 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1303 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1304 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1305 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1306 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1307 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1308 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1309 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1310 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1311 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1312 0, /* FileLinkInformation */
1313 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1314 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1315 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1316 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1317 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1318 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1319 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1320 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1321 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1322 0, /* FileAlternateNameInformation */
1323 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1324 0, /* FilePipeInformation */
1325 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1326 0, /* FilePipeRemoteInformation */
1327 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1328 0, /* FileMailslotSetInformation */
1329 0, /* FileCompressionInformation */
1330 0, /* FileObjectIdInformation */
1331 0, /* FileCompletionInformation */
1332 0, /* FileMoveClusterInformation */
1333 0, /* FileQuotaInformation */
1334 0, /* FileReparsePointInformation */
1335 0, /* FileNetworkOpenInformation */
1336 0, /* FileAttributeTagInformation */
1337 0 /* FileTrackingInformation */
1338 };
1339
1340 struct stat st;
1341 int fd, needs_close = FALSE;
1342
1343 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1344
1345 io->Information = 0;
1346
1347 if (class <= 0 || class >= FileMaximumInformation)
1348 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1349 if (!info_sizes[class])
1350 {
1351 FIXME("Unsupported class (%d)\n", class);
1352 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1353 }
1354 if (len < info_sizes[class])
1355 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1356
1357 if (class != FilePipeLocalInformation)
1358 {
1359 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1360 return io->u.Status;
1361 }
1362
1363 switch (class)
1364 {
1365 case FileBasicInformation:
1366 {
1367 FILE_BASIC_INFORMATION *info = ptr;
1368
1369 if (fstat( fd, &st ) == -1)
1370 io->u.Status = FILE_GetNtStatus();
1371 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1372 io->u.Status = STATUS_INVALID_INFO_CLASS;
1373 else
1374 {
1375 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1376 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1377 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1378 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1379 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1380 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1381 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1382 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1383 }
1384 }
1385 break;
1386 case FileStandardInformation:
1387 {
1388 FILE_STANDARD_INFORMATION *info = ptr;
1389
1390 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1391 else
1392 {
1393 if ((info->Directory = S_ISDIR(st.st_mode)))
1394 {
1395 info->AllocationSize.QuadPart = 0;
1396 info->EndOfFile.QuadPart = 0;
1397 info->NumberOfLinks = 1;
1398 info->DeletePending = FALSE;
1399 }
1400 else
1401 {
1402 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1403 info->EndOfFile.QuadPart = st.st_size;
1404 info->NumberOfLinks = st.st_nlink;
1405 info->DeletePending = FALSE; /* FIXME */
1406 }
1407 }
1408 }
1409 break;
1410 case FilePositionInformation:
1411 {
1412 FILE_POSITION_INFORMATION *info = ptr;
1413 off_t res = lseek( fd, 0, SEEK_CUR );
1414 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1415 else info->CurrentByteOffset.QuadPart = res;
1416 }
1417 break;
1418 case FileInternalInformation:
1419 {
1420 FILE_INTERNAL_INFORMATION *info = ptr;
1421
1422 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1423 else info->IndexNumber.QuadPart = st.st_ino;
1424 }
1425 break;
1426 case FileEaInformation:
1427 {
1428 FILE_EA_INFORMATION *info = ptr;
1429 info->EaSize = 0;
1430 }
1431 break;
1432 case FileEndOfFileInformation:
1433 {
1434 FILE_END_OF_FILE_INFORMATION *info = ptr;
1435
1436 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1437 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1438 }
1439 break;
1440 case FileAllInformation:
1441 {
1442 FILE_ALL_INFORMATION *info = ptr;
1443
1444 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1445 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1446 io->u.Status = STATUS_INVALID_INFO_CLASS;
1447 else
1448 {
1449 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1450 {
1451 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1452 info->StandardInformation.AllocationSize.QuadPart = 0;
1453 info->StandardInformation.EndOfFile.QuadPart = 0;
1454 info->StandardInformation.NumberOfLinks = 1;
1455 info->StandardInformation.DeletePending = FALSE;
1456 }
1457 else
1458 {
1459 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1460 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1461 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1462 info->StandardInformation.NumberOfLinks = st.st_nlink;
1463 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1464 }
1465 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1466 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1467 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1468 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1469 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1470 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1471 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1472 info->EaInformation.EaSize = 0;
1473 info->AccessInformation.AccessFlags = 0; /* FIXME */
1474 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1475 info->ModeInformation.Mode = 0; /* FIXME */
1476 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1477 info->NameInformation.FileNameLength = 0;
1478 io->Information = sizeof(*info) - sizeof(WCHAR);
1479 }
1480 }
1481 break;
1482 case FileMailslotQueryInformation:
1483 {
1484 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1485
1486 SERVER_START_REQ( set_mailslot_info )
1487 {
1488 req->handle = hFile;
1489 req->flags = 0;
1490 io->u.Status = wine_server_call( req );
1491 if( io->u.Status == STATUS_SUCCESS )
1492 {
1493 info->MaximumMessageSize = reply->max_msgsize;
1494 info->MailslotQuota = 0;
1495 info->NextMessageSize = 0;
1496 info->MessagesAvailable = 0;
1497 info->ReadTimeout.QuadPart = reply->read_timeout;
1498 }
1499 }
1500 SERVER_END_REQ;
1501 if (!io->u.Status)
1502 {
1503 char *tmpbuf;
1504 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1505 if (size > 0x10000) size = 0x10000;
1506 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1507 {
1508 int fd, needs_close;
1509 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1510 {
1511 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1512 info->MessagesAvailable = (res > 0);
1513 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1514 if (needs_close) close( fd );
1515 }
1516 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1517 }
1518 }
1519 }
1520 break;
1521 case FilePipeLocalInformation:
1522 {
1523 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1524
1525 SERVER_START_REQ( get_named_pipe_info )
1526 {
1527 req->handle = hFile;
1528 if (!(io->u.Status = wine_server_call( req )))
1529 {
1530 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1531 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1532 pli->NamedPipeConfiguration = 0; /* FIXME */
1533 pli->MaximumInstances = reply->maxinstances;
1534 pli->CurrentInstances = reply->instances;
1535 pli->InboundQuota = reply->insize;
1536 pli->ReadDataAvailable = 0; /* FIXME */
1537 pli->OutboundQuota = reply->outsize;
1538 pli->WriteQuotaAvailable = 0; /* FIXME */
1539 pli->NamedPipeState = 0; /* FIXME */
1540 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1541 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1542 }
1543 }
1544 SERVER_END_REQ;
1545 }
1546 break;
1547 default:
1548 FIXME("Unsupported class (%d)\n", class);
1549 io->u.Status = STATUS_NOT_IMPLEMENTED;
1550 break;
1551 }
1552 if (needs_close) close( fd );
1553 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1554 return io->u.Status;
1555 }
1556
1557 /******************************************************************************
1558 * NtSetInformationFile [NTDLL.@]
1559 * ZwSetInformationFile [NTDLL.@]
1560 *
1561 * Set information about an open file handle.
1562 *
1563 * PARAMS
1564 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1565 * io [O] Receives information about the operation on return
1566 * ptr [I] Source for file information
1567 * len [I] Size of FileInformation
1568 * class [I] Type of file information to set
1569 *
1570 * RETURNS
1571 * Success: 0. io is updated.
1572 * Failure: An NTSTATUS error code describing the error.
1573 */
1574 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1575 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1576 {
1577 int fd, needs_close;
1578
1579 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1580
1581 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1582 return io->u.Status;
1583
1584 io->u.Status = STATUS_SUCCESS;
1585 switch (class)
1586 {
1587 case FileBasicInformation:
1588 if (len >= sizeof(FILE_BASIC_INFORMATION))
1589 {
1590 struct stat st;
1591 const FILE_BASIC_INFORMATION *info = ptr;
1592
1593 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1594 {
1595 ULONGLONG sec, nsec;
1596 struct timeval tv[2];
1597
1598 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1599 {
1600
1601 tv[0].tv_sec = tv[0].tv_usec = 0;
1602 tv[1].tv_sec = tv[1].tv_usec = 0;
1603 if (!fstat( fd, &st ))
1604 {
1605 tv[0].tv_sec = st.st_atime;
1606 tv[1].tv_sec = st.st_mtime;
1607 }
1608 }
1609 if (info->LastAccessTime.QuadPart)
1610 {
1611 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1612 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1613 tv[0].tv_usec = (UINT)nsec / 10;
1614 }
1615 if (info->LastWriteTime.QuadPart)
1616 {
1617 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1618 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1619 tv[1].tv_usec = (UINT)nsec / 10;
1620 }
1621 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1622 }
1623
1624 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1625 {
1626 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1627 else
1628 {
1629 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1630 {
1631 if (S_ISDIR( st.st_mode))
1632 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1633 else
1634 st.st_mode &= ~0222; /* clear write permission bits */
1635 }
1636 else
1637 {
1638 /* add write permission only where we already have read permission */
1639 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1640 }
1641 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1642 }
1643 }
1644 }
1645 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1646 break;
1647
1648 case FilePositionInformation:
1649 if (len >= sizeof(FILE_POSITION_INFORMATION))
1650 {
1651 const FILE_POSITION_INFORMATION *info = ptr;
1652
1653 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1654 io->u.Status = FILE_GetNtStatus();
1655 }
1656 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1657 break;
1658
1659 case FileEndOfFileInformation:
1660 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1661 {
1662 struct stat st;
1663 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1664
1665 /* first try normal truncate */
1666 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1667
1668 /* now check for the need to extend the file */
1669 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1670 {
1671 static const char zero;
1672
1673 /* extend the file one byte beyond the requested size and then truncate it */
1674 /* this should work around ftruncate implementations that can't extend files */
1675 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1676 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1677 }
1678 io->u.Status = FILE_GetNtStatus();
1679 }
1680 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1681 break;
1682
1683 case FileMailslotSetInformation:
1684 {
1685 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1686
1687 SERVER_START_REQ( set_mailslot_info )
1688 {
1689 req->handle = handle;
1690 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1691 req->read_timeout = info->ReadTimeout.QuadPart;
1692 io->u.Status = wine_server_call( req );
1693 }
1694 SERVER_END_REQ;
1695 }
1696 break;
1697
1698 case FileCompletionInformation:
1699 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1700 {
1701 FILE_COMPLETION_INFORMATION *info = (FILE_COMPLETION_INFORMATION *)ptr;
1702
1703 SERVER_START_REQ( set_completion_info )
1704 {
1705 req->handle = handle;
1706 req->chandle = info->CompletionPort;
1707 req->ckey = info->CompletionKey;
1708 io->u.Status = wine_server_call( req );
1709 }
1710 SERVER_END_REQ;
1711 } else
1712 io->u.Status = STATUS_INVALID_PARAMETER_3;
1713 break;
1714
1715 default:
1716 FIXME("Unsupported class (%d)\n", class);
1717 io->u.Status = STATUS_NOT_IMPLEMENTED;
1718 break;
1719 }
1720 if (needs_close) close( fd );
1721 io->Information = 0;
1722 return io->u.Status;
1723 }
1724
1725
1726 /******************************************************************************
1727 * NtQueryFullAttributesFile (NTDLL.@)
1728 */
1729 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1730 FILE_NETWORK_OPEN_INFORMATION *info )
1731 {
1732 ANSI_STRING unix_name;
1733 NTSTATUS status;
1734
1735 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1736 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1737 {
1738 struct stat st;
1739
1740 if (stat( unix_name.Buffer, &st ) == -1)
1741 status = FILE_GetNtStatus();
1742 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1743 status = STATUS_INVALID_INFO_CLASS;
1744 else
1745 {
1746 if (S_ISDIR(st.st_mode))
1747 {
1748 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1749 info->AllocationSize.QuadPart = 0;
1750 info->EndOfFile.QuadPart = 0;
1751 }
1752 else
1753 {
1754 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1755 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1756 info->EndOfFile.QuadPart = st.st_size;
1757 }
1758 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1759 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1760 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1761 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1762 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1763 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1764 if (DIR_is_hidden_file( attr->ObjectName ))
1765 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1766 }
1767 RtlFreeAnsiString( &unix_name );
1768 }
1769 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1770 return status;
1771 }
1772
1773
1774 /******************************************************************************
1775 * NtQueryAttributesFile (NTDLL.@)
1776 * ZwQueryAttributesFile (NTDLL.@)
1777 */
1778 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1779 {
1780 FILE_NETWORK_OPEN_INFORMATION full_info;
1781 NTSTATUS status;
1782
1783 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1784 {
1785 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1786 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1787 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1788 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1789 info->FileAttributes = full_info.FileAttributes;
1790 }
1791 return status;
1792 }
1793
1794
1795 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1796 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1797 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1798 unsigned int flags )
1799 {
1800 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
1801 {
1802 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1803 /* Don't assume read-only, let the mount options set it below */
1804 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1805 }
1806 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
1807 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
1808 {
1809 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1810 info->Characteristics |= FILE_REMOTE_DEVICE;
1811 }
1812 else if (!strcmp("procfs", fstypename))
1813 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1814 else
1815 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1816
1817 if (flags & MNT_RDONLY)
1818 info->Characteristics |= FILE_READ_ONLY_DEVICE;
1819
1820 if (!(flags & MNT_LOCAL))
1821 {
1822 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1823 info->Characteristics |= FILE_REMOTE_DEVICE;
1824 }
1825 }
1826 #endif
1827
1828 static inline int is_device_placeholder( int fd )
1829 {
1830 static const char wine_placeholder[] = "Wine device placeholder";
1831 char buffer[sizeof(wine_placeholder)-1];
1832
1833 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
1834 return 0;
1835 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
1836 }
1837
1838 /******************************************************************************
1839 * get_device_info
1840 *
1841 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1842 */
1843 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
1844 {
1845 struct stat st;
1846
1847 info->Characteristics = 0;
1848 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1849 if (S_ISCHR( st.st_mode ))
1850 {
1851 info->DeviceType = FILE_DEVICE_UNKNOWN;
1852 #ifdef linux
1853 switch(major(st.st_rdev))
1854 {
1855 case MEM_MAJOR:
1856 info->DeviceType = FILE_DEVICE_NULL;
1857 break;
1858 case TTY_MAJOR:
1859 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1860 break;
1861 case LP_MAJOR:
1862 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1863 break;
1864 case SCSI_TAPE_MAJOR:
1865 info->DeviceType = FILE_DEVICE_TAPE;
1866 break;
1867 }
1868 #endif
1869 }
1870 else if (S_ISBLK( st.st_mode ))
1871 {
1872 info->DeviceType = FILE_DEVICE_DISK;
1873 }
1874 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1875 {
1876 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1877 }
1878 else if (is_device_placeholder( fd ))
1879 {
1880 info->DeviceType = FILE_DEVICE_DISK;
1881 }
1882 else /* regular file or directory */
1883 {
1884 #if defined(linux) && defined(HAVE_FSTATFS)
1885 struct statfs stfs;
1886
1887 /* check for floppy disk */
1888 if (major(st.st_dev) == FLOPPY_MAJOR)
1889 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1890
1891 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1892 switch (stfs.f_type)
1893 {
1894 case 0x9660: /* iso9660 */
1895 case 0x9fa1: /* supermount */
1896 case 0x15013346: /* udf */
1897 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1898 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1899 break;
1900 case 0x6969: /* nfs */
1901 case 0x517B: /* smbfs */
1902 case 0x564c: /* ncpfs */
1903 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1904 info->Characteristics |= FILE_REMOTE_DEVICE;
1905 break;
1906 case 0x01021994: /* tmpfs */
1907 case 0x28cd3d45: /* cramfs */
1908 case 0x1373: /* devfs */
1909 case 0x9fa0: /* procfs */
1910 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1911 break;
1912 default:
1913 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1914 break;
1915 }
1916 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
1917 struct statfs stfs;
1918
1919 if (fstatfs( fd, &stfs ) < 0)
1920 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1921 else
1922 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
1923 #elif defined(__NetBSD__)
1924 struct statvfs stfs;
1925
1926 if (fstatvfs( fd, &stfs) < 0)
1927 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1928 else
1929 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
1930 #elif defined(sun)
1931 /* Use dkio to work out device types */
1932 {
1933 # include <sys/dkio.h>
1934 # include <sys/vtoc.h>
1935 struct dk_cinfo dkinf;
1936 int retval = ioctl(fd, DKIOCINFO, &dkinf);
1937 if(retval==-1){
1938 WARN("Unable to get disk device type information - assuming a disk like device\n");
1939 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1940 }
1941 switch (dkinf.dki_ctype)
1942 {
1943 case DKC_CDROM:
1944 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1945 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1946 break;
1947 case DKC_NCRFLOPPY:
1948 case DKC_SMSFLOPPY:
1949 case DKC_INTEL82072:
1950 case DKC_INTEL82077:
1951 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1952 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1953 break;
1954 case DKC_MD:
1955 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1956 break;
1957 default:
1958 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1959 }
1960 }
1961 #else
1962 static int warned;
1963 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1964 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1965 #endif
1966 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1967 }
1968 return STATUS_SUCCESS;
1969 }
1970
1971
1972 /******************************************************************************
1973 * NtQueryVolumeInformationFile [NTDLL.@]
1974 * ZwQueryVolumeInformationFile [NTDLL.@]
1975 *
1976 * Get volume information for an open file handle.
1977 *
1978 * PARAMS
1979 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1980 * io [O] Receives information about the operation on return
1981 * buffer [O] Destination for volume information
1982 * length [I] Size of FsInformation
1983 * info_class [I] Type of volume information to set
1984 *
1985 * RETURNS
1986 * Success: 0. io and buffer are updated.
1987 * Failure: An NTSTATUS error code describing the error.
1988 */
1989 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1990 PVOID buffer, ULONG length,
1991 FS_INFORMATION_CLASS info_class )
1992 {
1993 int fd, needs_close;
1994 struct stat st;
1995
1996 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1997 return io->u.Status;
1998
1999 io->u.Status = STATUS_NOT_IMPLEMENTED;
2000 io->Information = 0;
2001
2002 switch( info_class )
2003 {
2004 case FileFsVolumeInformation:
2005 FIXME( "%p: volume info not supported\n", handle );
2006 break;
2007 case FileFsLabelInformation:
2008 FIXME( "%p: label info not supported\n", handle );
2009 break;
2010 case FileFsSizeInformation:
2011 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2012 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2013 else
2014 {
2015 FILE_FS_SIZE_INFORMATION *info = buffer;
2016
2017 if (fstat( fd, &st ) < 0)
2018 {
2019 io->u.Status = FILE_GetNtStatus();
2020 break;
2021 }
2022 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2023 {
2024 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2025 }
2026 else
2027 {
2028 /* Linux's fstatvfs is buggy */
2029 #if !defined(linux) || !defined(HAVE_FSTATFS)
2030 struct statvfs stfs;
2031
2032 if (fstatvfs( fd, &stfs ) < 0)
2033 {
2034 io->u.Status = FILE_GetNtStatus();
2035 break;
2036 }
2037 info->BytesPerSector = stfs.f_frsize;
2038 #else
2039 struct statfs stfs;
2040 if (fstatfs( fd, &stfs ) < 0)
2041 {
2042 io->u.Status = FILE_GetNtStatus();
2043 break;
2044 }
2045 info->BytesPerSector = stfs.f_bsize;
2046 #endif
2047 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
2048 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
2049 info->SectorsPerAllocationUnit = 1;
2050 io->Information = sizeof(*info);
2051 io->u.Status = STATUS_SUCCESS;
2052 }
2053 }
2054 break;
2055 case FileFsDeviceInformation:
2056 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2057 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2058 else
2059 {
2060 FILE_FS_DEVICE_INFORMATION *info = buffer;
2061
2062 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2063 io->Information = sizeof(*info);
2064 }
2065 break;
2066 case FileFsAttributeInformation:
2067 FIXME( "%p: attribute info not supported\n", handle );
2068 break;
2069 case FileFsControlInformation:
2070 FIXME( "%p: control info not supported\n", handle );
2071 break;
2072 case FileFsFullSizeInformation:
2073 FIXME( "%p: full size info not supported\n", handle );
2074 break;
2075 case FileFsObjectIdInformation:
2076 FIXME( "%p: object id info not supported\n", handle );
2077 break;
2078 case FileFsMaximumInformation:
2079 FIXME( "%p: maximum info not supported\n", handle );
2080 break;
2081 default:
2082 io->u.Status = STATUS_INVALID_PARAMETER;
2083 break;
2084 }
2085 if (needs_close) close( fd );
2086 return io->u.Status;
2087 }
2088
2089
2090 /******************************************************************
2091 * NtFlushBuffersFile (NTDLL.@)
2092 *
2093 * Flush any buffered data on an open file handle.
2094 *
2095 * PARAMS
2096 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2097 * IoStatusBlock [O] Receives information about the operation on return
2098 *
2099 * RETURNS
2100 * Success: 0. IoStatusBlock is updated.
2101 * Failure: An NTSTATUS error code describing the error.
2102 */
2103 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2104 {
2105 NTSTATUS ret;
2106 HANDLE hEvent = NULL;
2107
2108 SERVER_START_REQ( flush_file )
2109 {
2110 req->handle = hFile;
2111 ret = wine_server_call( req );
2112 hEvent = reply->event;
2113 }
2114 SERVER_END_REQ;
2115 if (!ret && hEvent)
2116 {
2117 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2118 NtClose( hEvent );
2119 }
2120 return ret;
2121 }
2122
2123 /******************************************************************
2124 * NtLockFile (NTDLL.@)
2125 *
2126 *
2127 */
2128 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2129 PIO_APC_ROUTINE apc, void* apc_user,
2130 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2131 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2132 BOOLEAN exclusive )
2133 {
2134 NTSTATUS ret;
2135 HANDLE handle;
2136 BOOLEAN async;
2137
2138 if (apc || io_status || key)
2139 {
2140 FIXME("Unimplemented yet parameter\n");
2141 return STATUS_NOT_IMPLEMENTED;
2142 }
2143
2144 if (apc_user) FIXME("I/O completion on lock not implemented yet\n");
2145
2146 for (;;)
2147 {
2148 SERVER_START_REQ( lock_file )
2149 {
2150 req->handle = hFile;
2151 req->offset = offset->QuadPart;
2152 req->count = count->QuadPart;
2153 req->shared = !exclusive;
2154 req->wait = !dont_wait;
2155 ret = wine_server_call( req );
2156 handle = reply->handle;
2157 async = reply->overlapped;
2158 }
2159 SERVER_END_REQ;
2160 if (ret != STATUS_PENDING)
2161 {
2162 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2163 return ret;
2164 }
2165
2166 if (async)
2167 {
2168 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2169 if (handle) NtClose( handle );
2170 return STATUS_PENDING;
2171 }
2172 if (handle)
2173 {
2174 NtWaitForSingleObject( handle, FALSE, NULL );
2175 NtClose( handle );
2176 }
2177 else
2178 {
2179 LARGE_INTEGER time;
2180
2181 /* Unix lock conflict, sleep a bit and retry */
2182 time.QuadPart = 100 * (ULONGLONG)10000;
2183 time.QuadPart = -time.QuadPart;
2184 NtDelayExecution( FALSE, &time );
2185 }
2186 }
2187 }
2188
2189
2190 /******************************************************************
2191 * NtUnlockFile (NTDLL.@)
2192 *
2193 *
2194 */
2195 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2196 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2197 PULONG key )
2198 {
2199 NTSTATUS status;
2200
2201 TRACE( "%p %x%08x %x%08x\n",
2202 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2203
2204 if (io_status || key)
2205 {
2206 FIXME("Unimplemented yet parameter\n");
2207 return STATUS_NOT_IMPLEMENTED;
2208 }
2209
2210 SERVER_START_REQ( unlock_file )
2211 {
2212 req->handle = hFile;
2213 req->offset = offset->QuadPart;
2214 req->count = count->QuadPart;
2215 status = wine_server_call( req );
2216 }
2217 SERVER_END_REQ;
2218 return status;
2219 }
2220
2221 /******************************************************************
2222 * NtCreateNamedPipeFile (NTDLL.@)
2223 *
2224 *
2225 */
2226 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2227 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2228 ULONG sharing, ULONG dispo, ULONG options,
2229 ULONG pipe_type, ULONG read_mode,
2230 ULONG completion_mode, ULONG max_inst,
2231 ULONG inbound_quota, ULONG outbound_quota,
2232 PLARGE_INTEGER timeout)
2233 {
2234 NTSTATUS status;
2235
2236 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2237 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2238 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2239 outbound_quota, timeout);
2240
2241 /* assume we only get relative timeout */
2242 if (timeout->QuadPart > 0)
2243 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2244
2245 SERVER_START_REQ( create_named_pipe )
2246 {
2247 req->access = access;
2248 req->attributes = attr->Attributes;
2249 req->rootdir = attr->RootDirectory;
2250 req->options = options;
2251 req->flags =
2252 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2253 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2254 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2255 req->maxinstances = max_inst;
2256 req->outsize = outbound_quota;
2257 req->insize = inbound_quota;
2258 req->timeout = timeout->QuadPart;
2259 wine_server_add_data( req, attr->ObjectName->Buffer,
2260 attr->ObjectName->Length );
2261 status = wine_server_call( req );
2262 if (!status) *handle = reply->handle;
2263 }
2264 SERVER_END_REQ;
2265 return status;
2266 }
2267
2268 /******************************************************************
2269 * NtDeleteFile (NTDLL.@)
2270 *
2271 *
2272 */
2273 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2274 {
2275 NTSTATUS status;
2276 HANDLE hFile;
2277 IO_STATUS_BLOCK io;
2278
2279 TRACE("%p\n", ObjectAttributes);
2280 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2281 ObjectAttributes, &io, NULL, 0,
2282 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2283 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2284 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2285 return status;
2286 }
2287
2288 /******************************************************************
2289 * NtCancelIoFile (NTDLL.@)
2290 *
2291 *
2292 */
2293 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2294 {
2295 LARGE_INTEGER timeout;
2296
2297 TRACE("%p %p\n", hFile, io_status );
2298
2299 SERVER_START_REQ( cancel_async )
2300 {
2301 req->handle = hFile;
2302 wine_server_call( req );
2303 }
2304 SERVER_END_REQ;
2305 /* Let some APC be run, so that we can run the remaining APCs on hFile
2306 * either the cancelation of the pending one, but also the execution
2307 * of the queued APC, but not yet run. This is needed to ensure proper
2308 * clean-up of allocated data.
2309 */
2310 timeout.u.LowPart = timeout.u.HighPart = 0;
2311 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2312 }
2313
2314 /******************************************************************************
2315 * NtCreateMailslotFile [NTDLL.@]
2316 * ZwCreateMailslotFile [NTDLL.@]
2317 *
2318 * PARAMS
2319 * pHandle [O] pointer to receive the handle created
2320 * DesiredAccess [I] access mode (read, write, etc)
2321 * ObjectAttributes [I] fully qualified NT path of the mailslot
2322 * IoStatusBlock [O] receives completion status and other info
2323 * CreateOptions [I]
2324 * MailslotQuota [I]
2325 * MaxMessageSize [I]
2326 * TimeOut [I]
2327 *
2328 * RETURNS
2329 * An NT status code
2330 */
2331 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2332 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2333 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2334 PLARGE_INTEGER TimeOut)
2335 {
2336 LARGE_INTEGER timeout;
2337 NTSTATUS ret;
2338
2339 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2340 pHandle, DesiredAccess, attr, IoStatusBlock,
2341 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2342
2343 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2344 if (!attr) return STATUS_INVALID_PARAMETER;
2345 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2346
2347 /*
2348 * For a NULL TimeOut pointer set the default timeout value
2349 */
2350 if (!TimeOut)
2351 timeout.QuadPart = -1;
2352 else
2353 timeout.QuadPart = TimeOut->QuadPart;
2354
2355 SERVER_START_REQ( create_mailslot )
2356 {
2357 req->access = DesiredAccess;
2358 req->attributes = attr->Attributes;
2359 req->rootdir = attr->RootDirectory;
2360 req->max_msgsize = MaxMessageSize;
2361 req->read_timeout = timeout.QuadPart;
2362 wine_server_add_data( req, attr->ObjectName->Buffer,
2363 attr->ObjectName->Length );
2364 ret = wine_server_call( req );
2365 if( ret == STATUS_SUCCESS )
2366 *pHandle = reply->handle;
2367 }
2368 SERVER_END_REQ;
2369
2370 return ret;
2371 }