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d3d8: Hold the DLL lock in IDirect3D8 methods.
[wine.git] / dlls / ntdll / file.c
blobde779f2a7e6b4cae38b7b1c488a38cb203d2a28f
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 return io->u.Status;
183 }
184
185 if (io->u.Status == STATUS_NO_SUCH_FILE &&
186 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
187 {
188 created = TRUE;
189 io->u.Status = STATUS_SUCCESS;
190 }
191
192 if (io->u.Status == STATUS_SUCCESS)
193 {
194 SERVER_START_REQ( create_file )
195 {
196 req->access = access;
197 req->attributes = attr->Attributes;
198 req->sharing = sharing;
199 req->create = disposition;
200 req->options = options;
201 req->attrs = attributes;
202 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
203 io->u.Status = wine_server_call( req );
204 *handle = reply->handle;
205 }
206 SERVER_END_REQ;
207 RtlFreeAnsiString( &unix_name );
208 }
209 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
210
211 if (io->u.Status == STATUS_SUCCESS)
212 {
213 if (created) io->Information = FILE_CREATED;
214 else switch(disposition)
215 {
216 case FILE_SUPERSEDE:
217 io->Information = FILE_SUPERSEDED;
218 break;
219 case FILE_CREATE:
220 io->Information = FILE_CREATED;
221 break;
222 case FILE_OPEN:
223 case FILE_OPEN_IF:
224 io->Information = FILE_OPENED;
225 break;
226 case FILE_OVERWRITE:
227 case FILE_OVERWRITE_IF:
228 io->Information = FILE_OVERWRITTEN;
229 break;
230 }
231 }
232
233 return io->u.Status;
234 }
235
236 /***********************************************************************
237 * Asynchronous file I/O *
238 */
239
240 struct async_fileio
241 {
242 HANDLE handle;
243 PIO_APC_ROUTINE apc;
244 void *apc_arg;
245 };
246
247 typedef struct
248 {
249 struct async_fileio io;
250 char* buffer;
251 unsigned int already;
252 unsigned int count;
253 BOOL avail_mode;
254 } async_fileio_read;
255
256 typedef struct
257 {
258 struct async_fileio io;
259 const char *buffer;
260 unsigned int already;
261 unsigned int count;
262 } async_fileio_write;
263
264
265 /* callback for file I/O user APC */
266 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
267 {
268 struct async_fileio *async = arg;
269 if (async->apc) async->apc( async->apc_arg, io, reserved );
270 RtlFreeHeap( GetProcessHeap(), 0, async );
271 }
272
273 /***********************************************************************
274 * FILE_GetNtStatus(void)
275 *
276 * Retrieve the Nt Status code from errno.
277 * Try to be consistent with FILE_SetDosError().
278 */
279 NTSTATUS FILE_GetNtStatus(void)
280 {
281 int err = errno;
282
283 TRACE( "errno = %d\n", errno );
284 switch (err)
285 {
286 case EAGAIN: return STATUS_SHARING_VIOLATION;
287 case EBADF: return STATUS_INVALID_HANDLE;
288 case EBUSY: return STATUS_DEVICE_BUSY;
289 case ENOSPC: return STATUS_DISK_FULL;
290 case EPERM:
291 case EROFS:
292 case EACCES: return STATUS_ACCESS_DENIED;
293 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
294 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
295 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
296 case EMFILE:
297 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
298 case EINVAL: return STATUS_INVALID_PARAMETER;
299 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
300 case EPIPE: return STATUS_PIPE_DISCONNECTED;
301 case EIO: return STATUS_DEVICE_NOT_READY;
302 #ifdef ENOMEDIUM
303 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
304 #endif
305 case ENXIO: return STATUS_NO_SUCH_DEVICE;
306 case ENOTTY:
307 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
308 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
309 case EFAULT: return STATUS_ACCESS_VIOLATION;
310 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
311 case ENOEXEC: /* ?? */
312 case EEXIST: /* ?? */
313 default:
314 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
315 return STATUS_UNSUCCESSFUL;
316 }
317 }
318
319 /***********************************************************************
320 * FILE_AsyncReadService (INTERNAL)
321 */
322 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status)
323 {
324 async_fileio_read *fileio = user;
325 int fd, needs_close, result;
326
327 TRACE("%p %p 0x%x\n", iosb, fileio->buffer, status);
328
329 switch (status)
330 {
331 case STATUS_ALERTED: /* got some new data */
332 /* check to see if the data is ready (non-blocking) */
333 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
334 &needs_close, NULL, NULL )))
335 break;
336
337 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
338 if (needs_close) close( fd );
339
340 if (result < 0)
341 {
342 if (errno == EAGAIN || errno == EINTR)
343 {
344 TRACE("Deferred read %d\n", errno);
345 status = STATUS_PENDING;
346 }
347 else /* check to see if the transfer is complete */
348 status = FILE_GetNtStatus();
349 }
350 else if (result == 0)
351 {
352 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
353 }
354 else
355 {
356 fileio->already += result;
357 if (fileio->already >= fileio->count || fileio->avail_mode)
358 status = STATUS_SUCCESS;
359 else
360 {
361 /* if we only have to read the available data, and none is available,
362 * simply cancel the request. If data was available, it has been read
363 * while in by previous call (NtDelayExecution)
364 */
365 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
366 }
367
368 TRACE("read %d more bytes %u/%u so far (%s)\n",
369 result, fileio->already, fileio->count,
370 (status == STATUS_SUCCESS) ? "success" : "pending");
371 }
372 break;
373
374 case STATUS_TIMEOUT:
375 case STATUS_IO_TIMEOUT:
376 if (fileio->already) status = STATUS_SUCCESS;
377 break;
378 }
379 if (status != STATUS_PENDING)
380 {
381 iosb->u.Status = status;
382 iosb->Information = fileio->already;
383 }
384 return status;
385 }
386
387 struct io_timeouts
388 {
389 int interval; /* max interval between two bytes */
390 int total; /* total timeout for the whole operation */
391 int end_time; /* absolute time of end of operation */
392 };
393
394 /* retrieve the I/O timeouts to use for a given handle */
395 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
396 struct io_timeouts *timeouts )
397 {
398 NTSTATUS status = STATUS_SUCCESS;
399
400 timeouts->interval = timeouts->total = -1;
401
402 switch(type)
403 {
404 case FD_TYPE_SERIAL:
405 {
406 /* GetCommTimeouts */
407 SERIAL_TIMEOUTS st;
408 IO_STATUS_BLOCK io;
409
410 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
411 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
412 if (status) break;
413
414 if (is_read)
415 {
416 if (st.ReadIntervalTimeout)
417 timeouts->interval = st.ReadIntervalTimeout;
418
419 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
420 {
421 timeouts->total = st.ReadTotalTimeoutConstant;
422 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
423 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
424 }
425 else if (st.ReadIntervalTimeout == MAXDWORD)
426 timeouts->interval = 0;
427 }
428 else /* write */
429 {
430 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
431 {
432 timeouts->total = st.WriteTotalTimeoutConstant;
433 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
434 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
435 }
436 }
437 }
438 break;
439 case FD_TYPE_MAILSLOT:
440 if (is_read)
441 {
442 timeouts->interval = 0; /* return as soon as we got something */
443 SERVER_START_REQ( set_mailslot_info )
444 {
445 req->handle = handle;
446 req->flags = 0;
447 if (!(status = wine_server_call( req )) &&
448 reply->read_timeout != TIMEOUT_INFINITE)
449 timeouts->total = reply->read_timeout / -10000;
450 }
451 SERVER_END_REQ;
452 }
453 break;
454 case FD_TYPE_SOCKET:
455 case FD_TYPE_PIPE:
456 case FD_TYPE_CHAR:
457 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
458 break;
459 default:
460 break;
461 }
462 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
463 return STATUS_SUCCESS;
464 }
465
466
467 /* retrieve the timeout for the next wait, in milliseconds */
468 static inline int get_next_io_timeout( struct io_timeouts *timeouts, ULONG already )
469 {
470 int ret = -1;
471
472 if (timeouts->total != -1)
473 {
474 ret = timeouts->end_time - NtGetTickCount();
475 if (ret < 0) ret = 0;
476 }
477 if (already && timeouts->interval != -1)
478 {
479 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
480 }
481 return ret;
482 }
483
484
485 /* retrieve the avail_mode flag for async reads */
486 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
487 {
488 NTSTATUS status = STATUS_SUCCESS;
489
490 switch(type)
491 {
492 case FD_TYPE_SERIAL:
493 {
494 /* GetCommTimeouts */
495 SERIAL_TIMEOUTS st;
496 IO_STATUS_BLOCK io;
497
498 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
499 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
500 if (status) break;
501 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
502 !st.ReadTotalTimeoutConstant &&
503 st.ReadIntervalTimeout == MAXDWORD);
504 }
505 break;
506 case FD_TYPE_MAILSLOT:
507 case FD_TYPE_SOCKET:
508 case FD_TYPE_PIPE:
509 case FD_TYPE_CHAR:
510 *avail_mode = TRUE;
511 break;
512 default:
513 *avail_mode = FALSE;
514 break;
515 }
516 return status;
517 }
518
519
520 /******************************************************************************
521 * NtReadFile [NTDLL.@]
522 * ZwReadFile [NTDLL.@]
523 *
524 * Read from an open file handle.
525 *
526 * PARAMS
527 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
528 * Event [I] Event to signal upon completion (or NULL)
529 * ApcRoutine [I] Callback to call upon completion (or NULL)
530 * ApcContext [I] Context for ApcRoutine (or NULL)
531 * IoStatusBlock [O] Receives information about the operation on return
532 * Buffer [O] Destination for the data read
533 * Length [I] Size of Buffer
534 * ByteOffset [O] Destination for the new file pointer position (or NULL)
535 * Key [O] Function unknown (may be NULL)
536 *
537 * RETURNS
538 * Success: 0. IoStatusBlock is updated, and the Information member contains
539 * The number of bytes read.
540 * Failure: An NTSTATUS error code describing the error.
541 */
542 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
543 PIO_APC_ROUTINE apc, void* apc_user,
544 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
545 PLARGE_INTEGER offset, PULONG key)
546 {
547 int result, unix_handle, needs_close, timeout_init_done = 0;
548 unsigned int options;
549 struct io_timeouts timeouts;
550 NTSTATUS status;
551 ULONG total = 0;
552 enum server_fd_type type;
553
554 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
555 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
556
557 if (!io_status) return STATUS_ACCESS_VIOLATION;
558
559 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
560 &needs_close, &type, &options );
561 if (status) return status;
562
563 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
564 {
565 /* async I/O doesn't make sense on regular files */
566 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
567 {
568 if (errno != EINTR)
569 {
570 status = FILE_GetNtStatus();
571 goto done;
572 }
573 }
574 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
575 /* update file pointer position */
576 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
577
578 total = result;
579 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
580 goto done;
581 }
582
583 for (;;)
584 {
585 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
586 {
587 total += result;
588 if (!result || total == length)
589 {
590 if (total)
591 status = STATUS_SUCCESS;
592 else
593 status = (type == FD_TYPE_FILE || type == FD_TYPE_CHAR) ? STATUS_END_OF_FILE : STATUS_PIPE_BROKEN;
594 goto done;
595 }
596 }
597 else
598 {
599 if (errno == EINTR) continue;
600 if (errno != EAGAIN)
601 {
602 status = FILE_GetNtStatus();
603 goto done;
604 }
605 }
606
607 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
608 {
609 async_fileio_read *fileio;
610 BOOL avail_mode;
611
612 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
613 goto done;
614 if (total && avail_mode)
615 {
616 status = STATUS_SUCCESS;
617 goto done;
618 }
619
620 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
621 {
622 status = STATUS_NO_MEMORY;
623 goto done;
624 }
625 fileio->io.handle = hFile;
626 fileio->io.apc = apc;
627 fileio->io.apc_arg = apc_user;
628 fileio->already = total;
629 fileio->count = length;
630 fileio->buffer = buffer;
631 fileio->avail_mode = avail_mode;
632
633 SERVER_START_REQ( register_async )
634 {
635 req->handle = hFile;
636 req->type = ASYNC_TYPE_READ;
637 req->count = length;
638 req->async.callback = FILE_AsyncReadService;
639 req->async.iosb = io_status;
640 req->async.arg = fileio;
641 req->async.apc = fileio_apc;
642 req->async.event = hEvent;
643 status = wine_server_call( req );
644 }
645 SERVER_END_REQ;
646
647 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
648 goto done;
649 }
650 else /* synchronous read, wait for the fd to become ready */
651 {
652 struct pollfd pfd;
653 int ret, timeout;
654
655 if (!timeout_init_done)
656 {
657 timeout_init_done = 1;
658 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
659 goto done;
660 if (hEvent) NtResetEvent( hEvent, NULL );
661 }
662 timeout = get_next_io_timeout( &timeouts, total );
663
664 pfd.fd = unix_handle;
665 pfd.events = POLLIN;
666
667 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
668 {
669 if (total) /* return with what we got so far */
670 status = STATUS_SUCCESS;
671 else
672 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
673 goto done;
674 }
675 if (ret == -1 && errno != EINTR)
676 {
677 status = FILE_GetNtStatus();
678 goto done;
679 }
680 /* will now restart the read */
681 }
682 }
683
684 done:
685 if (needs_close) close( unix_handle );
686 if (status == STATUS_SUCCESS)
687 {
688 io_status->u.Status = status;
689 io_status->Information = total;
690 TRACE("= SUCCESS (%u)\n", total);
691 if (hEvent) NtSetEvent( hEvent, NULL );
692 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
693 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
694 }
695 else
696 {
697 TRACE("= 0x%08x\n", status);
698 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
699 }
700 return status;
701 }
702
703 /***********************************************************************
704 * FILE_AsyncWriteService (INTERNAL)
705 */
706 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status)
707 {
708 async_fileio_write *fileio = user;
709 int result, fd, needs_close;
710 enum server_fd_type type;
711
712 TRACE("(%p %p 0x%x)\n",iosb, fileio->buffer, status);
713
714 switch (status)
715 {
716 case STATUS_ALERTED:
717 /* write some data (non-blocking) */
718 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
719 &needs_close, &type, NULL )))
720 break;
721
722 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
723 result = send( fd, fileio->buffer, 0, 0 );
724 else
725 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
726
727 if (needs_close) close( fd );
728
729 if (result < 0)
730 {
731 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
732 else status = FILE_GetNtStatus();
733 }
734 else
735 {
736 fileio->already += result;
737 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
738 TRACE("wrote %d more bytes %u/%u so far\n", result, fileio->already, fileio->count);
739 }
740 break;
741
742 case STATUS_TIMEOUT:
743 case STATUS_IO_TIMEOUT:
744 if (fileio->already) status = STATUS_SUCCESS;
745 break;
746 }
747 if (status != STATUS_PENDING)
748 {
749 iosb->u.Status = status;
750 iosb->Information = fileio->already;
751 }
752 return status;
753 }
754
755 /******************************************************************************
756 * NtWriteFile [NTDLL.@]
757 * ZwWriteFile [NTDLL.@]
758 *
759 * Write to an open file handle.
760 *
761 * PARAMS
762 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
763 * Event [I] Event to signal upon completion (or NULL)
764 * ApcRoutine [I] Callback to call upon completion (or NULL)
765 * ApcContext [I] Context for ApcRoutine (or NULL)
766 * IoStatusBlock [O] Receives information about the operation on return
767 * Buffer [I] Source for the data to write
768 * Length [I] Size of Buffer
769 * ByteOffset [O] Destination for the new file pointer position (or NULL)
770 * Key [O] Function unknown (may be NULL)
771 *
772 * RETURNS
773 * Success: 0. IoStatusBlock is updated, and the Information member contains
774 * The number of bytes written.
775 * Failure: An NTSTATUS error code describing the error.
776 */
777 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
778 PIO_APC_ROUTINE apc, void* apc_user,
779 PIO_STATUS_BLOCK io_status,
780 const void* buffer, ULONG length,
781 PLARGE_INTEGER offset, PULONG key)
782 {
783 int result, unix_handle, needs_close, timeout_init_done = 0;
784 unsigned int options;
785 struct io_timeouts timeouts;
786 NTSTATUS status;
787 ULONG total = 0;
788 enum server_fd_type type;
789
790 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
791 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
792
793 if (!io_status) return STATUS_ACCESS_VIOLATION;
794
795 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
796 &needs_close, &type, &options );
797 if (status) return status;
798
799 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
800 {
801 /* async I/O doesn't make sense on regular files */
802 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
803 {
804 if (errno != EINTR)
805 {
806 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
807 else status = FILE_GetNtStatus();
808 goto done;
809 }
810 }
811
812 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
813 /* update file pointer position */
814 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
815
816 total = result;
817 status = STATUS_SUCCESS;
818 goto done;
819 }
820
821 for (;;)
822 {
823 /* zero-length writes on sockets may not work with plain write(2) */
824 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
825 result = send( unix_handle, buffer, 0, 0 );
826 else
827 result = write( unix_handle, (const char *)buffer + total, length - total );
828
829 if (result >= 0)
830 {
831 total += result;
832 if (total == length)
833 {
834 status = STATUS_SUCCESS;
835 goto done;
836 }
837 }
838 else
839 {
840 if (errno == EINTR) continue;
841 if (errno != EAGAIN)
842 {
843 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
844 else status = FILE_GetNtStatus();
845 goto done;
846 }
847 }
848
849 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
850 {
851 async_fileio_write *fileio;
852
853 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
854 {
855 status = STATUS_NO_MEMORY;
856 goto done;
857 }
858 fileio->io.handle = hFile;
859 fileio->io.apc = apc;
860 fileio->io.apc_arg = apc_user;
861 fileio->already = total;
862 fileio->count = length;
863 fileio->buffer = buffer;
864
865 SERVER_START_REQ( register_async )
866 {
867 req->handle = hFile;
868 req->type = ASYNC_TYPE_WRITE;
869 req->count = length;
870 req->async.callback = FILE_AsyncWriteService;
871 req->async.iosb = io_status;
872 req->async.arg = fileio;
873 req->async.apc = fileio_apc;
874 req->async.event = hEvent;
875 status = wine_server_call( req );
876 }
877 SERVER_END_REQ;
878
879 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
880 goto done;
881 }
882 else /* synchronous write, wait for the fd to become ready */
883 {
884 struct pollfd pfd;
885 int ret, timeout;
886
887 if (!timeout_init_done)
888 {
889 timeout_init_done = 1;
890 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
891 goto done;
892 if (hEvent) NtResetEvent( hEvent, NULL );
893 }
894 timeout = get_next_io_timeout( &timeouts, total );
895
896 pfd.fd = unix_handle;
897 pfd.events = POLLOUT;
898
899 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
900 {
901 /* return with what we got so far */
902 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
903 goto done;
904 }
905 if (ret == -1 && errno != EINTR)
906 {
907 status = FILE_GetNtStatus();
908 goto done;
909 }
910 /* will now restart the write */
911 }
912 }
913
914 done:
915 if (needs_close) close( unix_handle );
916 if (status == STATUS_SUCCESS)
917 {
918 io_status->u.Status = status;
919 io_status->Information = total;
920 TRACE("= SUCCESS (%u)\n", total);
921 if (hEvent) NtSetEvent( hEvent, NULL );
922 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
923 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
924 }
925 else
926 {
927 TRACE("= 0x%08x\n", status);
928 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
929 }
930 return status;
931 }
932
933
934 struct async_ioctl
935 {
936 HANDLE handle; /* handle to the device */
937 void *buffer; /* buffer for output */
938 ULONG size; /* size of buffer */
939 PIO_APC_ROUTINE apc; /* user apc params */
940 void *apc_arg;
941 };
942
943 /* callback for ioctl async I/O completion */
944 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
945 {
946 struct async_ioctl *async = arg;
947
948 if (status == STATUS_ALERTED)
949 {
950 SERVER_START_REQ( get_ioctl_result )
951 {
952 req->handle = async->handle;
953 req->user_arg = async;
954 wine_server_set_reply( req, async->buffer, async->size );
955 if (!(status = wine_server_call( req )))
956 io->Information = wine_server_reply_size( reply );
957 }
958 SERVER_END_REQ;
959 }
960 if (status != STATUS_PENDING) io->u.Status = status;
961 return status;
962 }
963
964 /* callback for ioctl user APC */
965 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
966 {
967 struct async_ioctl *async = arg;
968 if (async->apc) async->apc( async->apc_arg, io, reserved );
969 RtlFreeHeap( GetProcessHeap(), 0, async );
970 }
971
972 /* do a ioctl call through the server */
973 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
974 PIO_APC_ROUTINE apc, PVOID apc_context,
975 IO_STATUS_BLOCK *io, ULONG code,
976 PVOID in_buffer, ULONG in_size,
977 PVOID out_buffer, ULONG out_size )
978 {
979 struct async_ioctl *async;
980 NTSTATUS status;
981 HANDLE wait_handle;
982 ULONG options;
983
984 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
985 return STATUS_NO_MEMORY;
986 async->handle = handle;
987 async->buffer = out_buffer;
988 async->size = out_size;
989 async->apc = apc;
990 async->apc_arg = apc_context;
991
992 SERVER_START_REQ( ioctl )
993 {
994 req->handle = handle;
995 req->code = code;
996 req->async.callback = ioctl_completion;
997 req->async.iosb = io;
998 req->async.arg = async;
999 req->async.apc = (apc || event) ? ioctl_apc : NULL;
1000 req->async.event = event;
1001 wine_server_add_data( req, in_buffer, in_size );
1002 wine_server_set_reply( req, out_buffer, out_size );
1003 if (!(status = wine_server_call( req )))
1004 io->Information = wine_server_reply_size( reply );
1005 wait_handle = reply->wait;
1006 options = reply->options;
1007 }
1008 SERVER_END_REQ;
1009
1010 if (status == STATUS_NOT_SUPPORTED)
1011 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1012 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1013
1014 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1015
1016 if (wait_handle)
1017 {
1018 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1019 status = io->u.Status;
1020 NtClose( wait_handle );
1021 RtlFreeHeap( GetProcessHeap(), 0, async );
1022 }
1023
1024 return status;
1025 }
1026
1027
1028 /**************************************************************************
1029 * NtDeviceIoControlFile [NTDLL.@]
1030 * ZwDeviceIoControlFile [NTDLL.@]
1031 *
1032 * Perform an I/O control operation on an open file handle.
1033 *
1034 * PARAMS
1035 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1036 * event [I] Event to signal upon completion (or NULL)
1037 * apc [I] Callback to call upon completion (or NULL)
1038 * apc_context [I] Context for ApcRoutine (or NULL)
1039 * io [O] Receives information about the operation on return
1040 * code [I] Control code for the operation to perform
1041 * in_buffer [I] Source for any input data required (or NULL)
1042 * in_size [I] Size of InputBuffer
1043 * out_buffer [O] Source for any output data returned (or NULL)
1044 * out_size [I] Size of OutputBuffer
1045 *
1046 * RETURNS
1047 * Success: 0. IoStatusBlock is updated.
1048 * Failure: An NTSTATUS error code describing the error.
1049 */
1050 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1051 PIO_APC_ROUTINE apc, PVOID apc_context,
1052 PIO_STATUS_BLOCK io, ULONG code,
1053 PVOID in_buffer, ULONG in_size,
1054 PVOID out_buffer, ULONG out_size)
1055 {
1056 ULONG device = (code >> 16);
1057 NTSTATUS status;
1058
1059 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1060 handle, event, apc, apc_context, io, code,
1061 in_buffer, in_size, out_buffer, out_size);
1062
1063 switch(device)
1064 {
1065 case FILE_DEVICE_DISK:
1066 case FILE_DEVICE_CD_ROM:
1067 case FILE_DEVICE_DVD:
1068 case FILE_DEVICE_CONTROLLER:
1069 case FILE_DEVICE_MASS_STORAGE:
1070 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1071 in_buffer, in_size, out_buffer, out_size);
1072 break;
1073 case FILE_DEVICE_SERIAL_PORT:
1074 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1075 in_buffer, in_size, out_buffer, out_size);
1076 break;
1077 case FILE_DEVICE_TAPE:
1078 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1079 in_buffer, in_size, out_buffer, out_size);
1080 break;
1081 default:
1082 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1083 in_buffer, in_size, out_buffer, out_size );
1084 break;
1085 }
1086 if (status != STATUS_PENDING) io->u.Status = status;
1087 return status;
1088 }
1089
1090
1091 /**************************************************************************
1092 * NtFsControlFile [NTDLL.@]
1093 * ZwFsControlFile [NTDLL.@]
1094 *
1095 * Perform a file system control operation on an open file handle.
1096 *
1097 * PARAMS
1098 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1099 * event [I] Event to signal upon completion (or NULL)
1100 * apc [I] Callback to call upon completion (or NULL)
1101 * apc_context [I] Context for ApcRoutine (or NULL)
1102 * io [O] Receives information about the operation on return
1103 * code [I] Control code for the operation to perform
1104 * in_buffer [I] Source for any input data required (or NULL)
1105 * in_size [I] Size of InputBuffer
1106 * out_buffer [O] Source for any output data returned (or NULL)
1107 * out_size [I] Size of OutputBuffer
1108 *
1109 * RETURNS
1110 * Success: 0. IoStatusBlock is updated.
1111 * Failure: An NTSTATUS error code describing the error.
1112 */
1113 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1114 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1115 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1116 {
1117 NTSTATUS status;
1118
1119 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1120 handle, event, apc, apc_context, io, code,
1121 in_buffer, in_size, out_buffer, out_size);
1122
1123 if (!io) return STATUS_INVALID_PARAMETER;
1124
1125 switch(code)
1126 {
1127 case FSCTL_DISMOUNT_VOLUME:
1128 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1129 in_buffer, in_size, out_buffer, out_size );
1130 if (!status) status = DIR_unmount_device( handle );
1131 break;
1132
1133 case FSCTL_PIPE_PEEK:
1134 {
1135 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1136 int avail = 0, fd, needs_close;
1137
1138 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1139 {
1140 status = STATUS_INFO_LENGTH_MISMATCH;
1141 break;
1142 }
1143
1144 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1145 break;
1146
1147 #ifdef FIONREAD
1148 if (ioctl( fd, FIONREAD, &avail ) != 0)
1149 {
1150 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1151 if (needs_close) close( fd );
1152 status = FILE_GetNtStatus();
1153 break;
1154 }
1155 #endif
1156 if (!avail) /* check for closed pipe */
1157 {
1158 struct pollfd pollfd;
1159 int ret;
1160
1161 pollfd.fd = fd;
1162 pollfd.events = POLLIN;
1163 pollfd.revents = 0;
1164 ret = poll( &pollfd, 1, 0 );
1165 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1166 {
1167 if (needs_close) close( fd );
1168 status = STATUS_PIPE_BROKEN;
1169 break;
1170 }
1171 }
1172 buffer->NamedPipeState = 0; /* FIXME */
1173 buffer->ReadDataAvailable = avail;
1174 buffer->NumberOfMessages = 0; /* FIXME */
1175 buffer->MessageLength = 0; /* FIXME */
1176 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1177 status = STATUS_SUCCESS;
1178 if (avail)
1179 {
1180 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1181 if (data_size)
1182 {
1183 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1184 if (res >= 0) io->Information += res;
1185 }
1186 }
1187 if (needs_close) close( fd );
1188 }
1189 break;
1190
1191 case FSCTL_PIPE_DISCONNECT:
1192 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1193 in_buffer, in_size, out_buffer, out_size );
1194 if (!status)
1195 {
1196 int fd = server_remove_fd_from_cache( handle );
1197 if (fd != -1) close( fd );
1198 }
1199 break;
1200
1201 case FSCTL_LOCK_VOLUME:
1202 case FSCTL_UNLOCK_VOLUME:
1203 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1204 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1205 status = STATUS_SUCCESS;
1206 break;
1207
1208 case FSCTL_PIPE_LISTEN:
1209 case FSCTL_PIPE_WAIT:
1210 default:
1211 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1212 in_buffer, in_size, out_buffer, out_size );
1213 break;
1214 }
1215
1216 if (status != STATUS_PENDING) io->u.Status = status;
1217 return status;
1218 }
1219
1220 /******************************************************************************
1221 * NtSetVolumeInformationFile [NTDLL.@]
1222 * ZwSetVolumeInformationFile [NTDLL.@]
1223 *
1224 * Set volume information for an open file handle.
1225 *
1226 * PARAMS
1227 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1228 * IoStatusBlock [O] Receives information about the operation on return
1229 * FsInformation [I] Source for volume information
1230 * Length [I] Size of FsInformation
1231 * FsInformationClass [I] Type of volume information to set
1232 *
1233 * RETURNS
1234 * Success: 0. IoStatusBlock is updated.
1235 * Failure: An NTSTATUS error code describing the error.
1236 */
1237 NTSTATUS WINAPI NtSetVolumeInformationFile(
1238 IN HANDLE FileHandle,
1239 PIO_STATUS_BLOCK IoStatusBlock,
1240 PVOID FsInformation,
1241 ULONG Length,
1242 FS_INFORMATION_CLASS FsInformationClass)
1243 {
1244 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1245 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1246 return 0;
1247 }
1248
1249 /******************************************************************************
1250 * NtQueryInformationFile [NTDLL.@]
1251 * ZwQueryInformationFile [NTDLL.@]
1252 *
1253 * Get information about an open file handle.
1254 *
1255 * PARAMS
1256 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1257 * io [O] Receives information about the operation on return
1258 * ptr [O] Destination for file information
1259 * len [I] Size of FileInformation
1260 * class [I] Type of file information to get
1261 *
1262 * RETURNS
1263 * Success: 0. IoStatusBlock and FileInformation are updated.
1264 * Failure: An NTSTATUS error code describing the error.
1265 */
1266 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1267 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1268 {
1269 static const size_t info_sizes[] =
1270 {
1271 0,
1272 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1273 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1274 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1275 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1276 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1277 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1278 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1279 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1280 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1281 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1282 0, /* FileLinkInformation */
1283 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1284 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1285 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1286 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1287 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1288 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1289 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1290 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1291 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1292 0, /* FileAlternateNameInformation */
1293 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1294 0, /* FilePipeInformation */
1295 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1296 0, /* FilePipeRemoteInformation */
1297 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1298 0, /* FileMailslotSetInformation */
1299 0, /* FileCompressionInformation */
1300 0, /* FileObjectIdInformation */
1301 0, /* FileCompletionInformation */
1302 0, /* FileMoveClusterInformation */
1303 0, /* FileQuotaInformation */
1304 0, /* FileReparsePointInformation */
1305 0, /* FileNetworkOpenInformation */
1306 0, /* FileAttributeTagInformation */
1307 0 /* FileTrackingInformation */
1308 };
1309
1310 struct stat st;
1311 int fd, needs_close = FALSE;
1312
1313 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1314
1315 io->Information = 0;
1316
1317 if (class <= 0 || class >= FileMaximumInformation)
1318 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1319 if (!info_sizes[class])
1320 {
1321 FIXME("Unsupported class (%d)\n", class);
1322 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1323 }
1324 if (len < info_sizes[class])
1325 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1326
1327 if (class != FilePipeLocalInformation)
1328 {
1329 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1330 return io->u.Status;
1331 }
1332
1333 switch (class)
1334 {
1335 case FileBasicInformation:
1336 {
1337 FILE_BASIC_INFORMATION *info = ptr;
1338
1339 if (fstat( fd, &st ) == -1)
1340 io->u.Status = FILE_GetNtStatus();
1341 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1342 io->u.Status = STATUS_INVALID_INFO_CLASS;
1343 else
1344 {
1345 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1346 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1347 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1348 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1349 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1350 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1351 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1352 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1353 }
1354 }
1355 break;
1356 case FileStandardInformation:
1357 {
1358 FILE_STANDARD_INFORMATION *info = ptr;
1359
1360 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1361 else
1362 {
1363 if ((info->Directory = S_ISDIR(st.st_mode)))
1364 {
1365 info->AllocationSize.QuadPart = 0;
1366 info->EndOfFile.QuadPart = 0;
1367 info->NumberOfLinks = 1;
1368 info->DeletePending = FALSE;
1369 }
1370 else
1371 {
1372 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1373 info->EndOfFile.QuadPart = st.st_size;
1374 info->NumberOfLinks = st.st_nlink;
1375 info->DeletePending = FALSE; /* FIXME */
1376 }
1377 }
1378 }
1379 break;
1380 case FilePositionInformation:
1381 {
1382 FILE_POSITION_INFORMATION *info = ptr;
1383 off_t res = lseek( fd, 0, SEEK_CUR );
1384 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1385 else info->CurrentByteOffset.QuadPart = res;
1386 }
1387 break;
1388 case FileInternalInformation:
1389 {
1390 FILE_INTERNAL_INFORMATION *info = ptr;
1391
1392 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1393 else info->IndexNumber.QuadPart = st.st_ino;
1394 }
1395 break;
1396 case FileEaInformation:
1397 {
1398 FILE_EA_INFORMATION *info = ptr;
1399 info->EaSize = 0;
1400 }
1401 break;
1402 case FileEndOfFileInformation:
1403 {
1404 FILE_END_OF_FILE_INFORMATION *info = ptr;
1405
1406 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1407 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1408 }
1409 break;
1410 case FileAllInformation:
1411 {
1412 FILE_ALL_INFORMATION *info = ptr;
1413
1414 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1415 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1416 io->u.Status = STATUS_INVALID_INFO_CLASS;
1417 else
1418 {
1419 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1420 {
1421 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1422 info->StandardInformation.AllocationSize.QuadPart = 0;
1423 info->StandardInformation.EndOfFile.QuadPart = 0;
1424 info->StandardInformation.NumberOfLinks = 1;
1425 info->StandardInformation.DeletePending = FALSE;
1426 }
1427 else
1428 {
1429 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1430 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1431 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1432 info->StandardInformation.NumberOfLinks = st.st_nlink;
1433 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1434 }
1435 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1436 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1437 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1438 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1439 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1440 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1441 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1442 info->EaInformation.EaSize = 0;
1443 info->AccessInformation.AccessFlags = 0; /* FIXME */
1444 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1445 info->ModeInformation.Mode = 0; /* FIXME */
1446 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1447 info->NameInformation.FileNameLength = 0;
1448 io->Information = sizeof(*info) - sizeof(WCHAR);
1449 }
1450 }
1451 break;
1452 case FileMailslotQueryInformation:
1453 {
1454 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1455
1456 SERVER_START_REQ( set_mailslot_info )
1457 {
1458 req->handle = hFile;
1459 req->flags = 0;
1460 io->u.Status = wine_server_call( req );
1461 if( io->u.Status == STATUS_SUCCESS )
1462 {
1463 info->MaximumMessageSize = reply->max_msgsize;
1464 info->MailslotQuota = 0;
1465 info->NextMessageSize = 0;
1466 info->MessagesAvailable = 0;
1467 info->ReadTimeout.QuadPart = reply->read_timeout;
1468 }
1469 }
1470 SERVER_END_REQ;
1471 if (!io->u.Status)
1472 {
1473 char *tmpbuf;
1474 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1475 if (size > 0x10000) size = 0x10000;
1476 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1477 {
1478 int fd, needs_close;
1479 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1480 {
1481 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1482 info->MessagesAvailable = (res > 0);
1483 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1484 if (needs_close) close( fd );
1485 }
1486 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1487 }
1488 }
1489 }
1490 break;
1491 case FilePipeLocalInformation:
1492 {
1493 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1494
1495 SERVER_START_REQ( get_named_pipe_info )
1496 {
1497 req->handle = hFile;
1498 if (!(io->u.Status = wine_server_call( req )))
1499 {
1500 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1501 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1502 pli->NamedPipeConfiguration = 0; /* FIXME */
1503 pli->MaximumInstances = reply->maxinstances;
1504 pli->CurrentInstances = reply->instances;
1505 pli->InboundQuota = reply->insize;
1506 pli->ReadDataAvailable = 0; /* FIXME */
1507 pli->OutboundQuota = reply->outsize;
1508 pli->WriteQuotaAvailable = 0; /* FIXME */
1509 pli->NamedPipeState = 0; /* FIXME */
1510 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1511 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1512 }
1513 }
1514 SERVER_END_REQ;
1515 }
1516 break;
1517 default:
1518 FIXME("Unsupported class (%d)\n", class);
1519 io->u.Status = STATUS_NOT_IMPLEMENTED;
1520 break;
1521 }
1522 if (needs_close) close( fd );
1523 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1524 return io->u.Status;
1525 }
1526
1527 /******************************************************************************
1528 * NtSetInformationFile [NTDLL.@]
1529 * ZwSetInformationFile [NTDLL.@]
1530 *
1531 * Set information about an open file handle.
1532 *
1533 * PARAMS
1534 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1535 * io [O] Receives information about the operation on return
1536 * ptr [I] Source for file information
1537 * len [I] Size of FileInformation
1538 * class [I] Type of file information to set
1539 *
1540 * RETURNS
1541 * Success: 0. io is updated.
1542 * Failure: An NTSTATUS error code describing the error.
1543 */
1544 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1545 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1546 {
1547 int fd, needs_close;
1548
1549 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1550
1551 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1552 return io->u.Status;
1553
1554 io->u.Status = STATUS_SUCCESS;
1555 switch (class)
1556 {
1557 case FileBasicInformation:
1558 if (len >= sizeof(FILE_BASIC_INFORMATION))
1559 {
1560 struct stat st;
1561 const FILE_BASIC_INFORMATION *info = ptr;
1562
1563 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1564 {
1565 ULONGLONG sec, nsec;
1566 struct timeval tv[2];
1567
1568 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1569 {
1570
1571 tv[0].tv_sec = tv[0].tv_usec = 0;
1572 tv[1].tv_sec = tv[1].tv_usec = 0;
1573 if (!fstat( fd, &st ))
1574 {
1575 tv[0].tv_sec = st.st_atime;
1576 tv[1].tv_sec = st.st_mtime;
1577 }
1578 }
1579 if (info->LastAccessTime.QuadPart)
1580 {
1581 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1582 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1583 tv[0].tv_usec = (UINT)nsec / 10;
1584 }
1585 if (info->LastWriteTime.QuadPart)
1586 {
1587 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1588 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1589 tv[1].tv_usec = (UINT)nsec / 10;
1590 }
1591 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1592 }
1593
1594 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1595 {
1596 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1597 else
1598 {
1599 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1600 {
1601 if (S_ISDIR( st.st_mode))
1602 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1603 else
1604 st.st_mode &= ~0222; /* clear write permission bits */
1605 }
1606 else
1607 {
1608 /* add write permission only where we already have read permission */
1609 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1610 }
1611 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1612 }
1613 }
1614 }
1615 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1616 break;
1617
1618 case FilePositionInformation:
1619 if (len >= sizeof(FILE_POSITION_INFORMATION))
1620 {
1621 const FILE_POSITION_INFORMATION *info = ptr;
1622
1623 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1624 io->u.Status = FILE_GetNtStatus();
1625 }
1626 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1627 break;
1628
1629 case FileEndOfFileInformation:
1630 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1631 {
1632 struct stat st;
1633 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1634
1635 /* first try normal truncate */
1636 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1637
1638 /* now check for the need to extend the file */
1639 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1640 {
1641 static const char zero;
1642
1643 /* extend the file one byte beyond the requested size and then truncate it */
1644 /* this should work around ftruncate implementations that can't extend files */
1645 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1646 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1647 }
1648 io->u.Status = FILE_GetNtStatus();
1649 }
1650 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1651 break;
1652
1653 case FileMailslotSetInformation:
1654 {
1655 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1656
1657 SERVER_START_REQ( set_mailslot_info )
1658 {
1659 req->handle = handle;
1660 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1661 req->read_timeout = info->ReadTimeout.QuadPart;
1662 io->u.Status = wine_server_call( req );
1663 }
1664 SERVER_END_REQ;
1665 }
1666 break;
1667
1668 default:
1669 FIXME("Unsupported class (%d)\n", class);
1670 io->u.Status = STATUS_NOT_IMPLEMENTED;
1671 break;
1672 }
1673 if (needs_close) close( fd );
1674 io->Information = 0;
1675 return io->u.Status;
1676 }
1677
1678
1679 /******************************************************************************
1680 * NtQueryFullAttributesFile (NTDLL.@)
1681 */
1682 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1683 FILE_NETWORK_OPEN_INFORMATION *info )
1684 {
1685 ANSI_STRING unix_name;
1686 NTSTATUS status;
1687
1688 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1689 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1690 {
1691 struct stat st;
1692
1693 if (stat( unix_name.Buffer, &st ) == -1)
1694 status = FILE_GetNtStatus();
1695 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1696 status = STATUS_INVALID_INFO_CLASS;
1697 else
1698 {
1699 if (S_ISDIR(st.st_mode))
1700 {
1701 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1702 info->AllocationSize.QuadPart = 0;
1703 info->EndOfFile.QuadPart = 0;
1704 }
1705 else
1706 {
1707 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1708 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1709 info->EndOfFile.QuadPart = st.st_size;
1710 }
1711 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1712 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1713 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1714 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1715 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1716 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1717 if (DIR_is_hidden_file( attr->ObjectName ))
1718 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1719 }
1720 RtlFreeAnsiString( &unix_name );
1721 }
1722 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1723 return status;
1724 }
1725
1726
1727 /******************************************************************************
1728 * NtQueryAttributesFile (NTDLL.@)
1729 * ZwQueryAttributesFile (NTDLL.@)
1730 */
1731 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1732 {
1733 FILE_NETWORK_OPEN_INFORMATION full_info;
1734 NTSTATUS status;
1735
1736 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1737 {
1738 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1739 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1740 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1741 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1742 info->FileAttributes = full_info.FileAttributes;
1743 }
1744 return status;
1745 }
1746
1747
1748 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1749 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1750 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1751 size_t fstypesize, unsigned int flags )
1752 {
1753 if (!strncmp("cd9660", fstypename, fstypesize) ||
1754 !strncmp("udf", fstypename, fstypesize))
1755 {
1756 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1757 /* Don't assume read-only, let the mount options set it below */
1758 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1759 }
1760 else if (!strncmp("nfs", fstypename, fstypesize) ||
1761 !strncmp("nwfs", fstypename, fstypesize) ||
1762 !strncmp("smbfs", fstypename, fstypesize) ||
1763 !strncmp("afpfs", fstypename, fstypesize))
1764 {
1765 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1766 info->Characteristics |= FILE_REMOTE_DEVICE;
1767 }
1768 else if (!strncmp("procfs", fstypename, fstypesize))
1769 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1770 else
1771 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1772
1773 if (flags & MNT_RDONLY)
1774 info->Characteristics |= FILE_READ_ONLY_DEVICE;
1775
1776 if (!(flags & MNT_LOCAL))
1777 {
1778 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1779 info->Characteristics |= FILE_REMOTE_DEVICE;
1780 }
1781 }
1782 #endif
1783
1784 /******************************************************************************
1785 * get_device_info
1786 *
1787 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1788 */
1789 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
1790 {
1791 struct stat st;
1792
1793 info->Characteristics = 0;
1794 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1795 if (S_ISCHR( st.st_mode ))
1796 {
1797 info->DeviceType = FILE_DEVICE_UNKNOWN;
1798 #ifdef linux
1799 switch(major(st.st_rdev))
1800 {
1801 case MEM_MAJOR:
1802 info->DeviceType = FILE_DEVICE_NULL;
1803 break;
1804 case TTY_MAJOR:
1805 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1806 break;
1807 case LP_MAJOR:
1808 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1809 break;
1810 case SCSI_TAPE_MAJOR:
1811 info->DeviceType = FILE_DEVICE_TAPE;
1812 break;
1813 }
1814 #endif
1815 }
1816 else if (S_ISBLK( st.st_mode ))
1817 {
1818 info->DeviceType = FILE_DEVICE_DISK;
1819 }
1820 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1821 {
1822 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1823 }
1824 else /* regular file or directory */
1825 {
1826 #if defined(linux) && defined(HAVE_FSTATFS)
1827 struct statfs stfs;
1828
1829 /* check for floppy disk */
1830 if (major(st.st_dev) == FLOPPY_MAJOR)
1831 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1832
1833 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1834 switch (stfs.f_type)
1835 {
1836 case 0x9660: /* iso9660 */
1837 case 0x9fa1: /* supermount */
1838 case 0x15013346: /* udf */
1839 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1840 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1841 break;
1842 case 0x6969: /* nfs */
1843 case 0x517B: /* smbfs */
1844 case 0x564c: /* ncpfs */
1845 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1846 info->Characteristics |= FILE_REMOTE_DEVICE;
1847 break;
1848 case 0x01021994: /* tmpfs */
1849 case 0x28cd3d45: /* cramfs */
1850 case 0x1373: /* devfs */
1851 case 0x9fa0: /* procfs */
1852 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1853 break;
1854 default:
1855 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1856 break;
1857 }
1858 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
1859 struct statfs stfs;
1860
1861 if (fstatfs( fd, &stfs ) < 0)
1862 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1863 else
1864 get_device_info_fstatfs( info, stfs.f_fstypename,
1865 sizeof(stfs.f_fstypename), stfs.f_flags );
1866 #elif defined(__NetBSD__)
1867 struct statvfs stfs;
1868
1869 if (fstatvfs( fd, &stfs) < 0)
1870 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1871 else
1872 get_device_info_fstatfs( info, stfs.f_fstypename,
1873 sizeof(stfs.f_fstypename), stfs.f_flag );
1874 #elif defined(sun)
1875 /* Use dkio to work out device types */
1876 {
1877 # include <sys/dkio.h>
1878 # include <sys/vtoc.h>
1879 struct dk_cinfo dkinf;
1880 int retval = ioctl(fd, DKIOCINFO, &dkinf);
1881 if(retval==-1){
1882 WARN("Unable to get disk device type information - assuming a disk like device\n");
1883 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1884 }
1885 switch (dkinf.dki_ctype)
1886 {
1887 case DKC_CDROM:
1888 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1889 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1890 break;
1891 case DKC_NCRFLOPPY:
1892 case DKC_SMSFLOPPY:
1893 case DKC_INTEL82072:
1894 case DKC_INTEL82077:
1895 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1896 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1897 break;
1898 case DKC_MD:
1899 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1900 break;
1901 default:
1902 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1903 }
1904 }
1905 #else
1906 static int warned;
1907 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1908 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1909 #endif
1910 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1911 }
1912 return STATUS_SUCCESS;
1913 }
1914
1915
1916 /******************************************************************************
1917 * NtQueryVolumeInformationFile [NTDLL.@]
1918 * ZwQueryVolumeInformationFile [NTDLL.@]
1919 *
1920 * Get volume information for an open file handle.
1921 *
1922 * PARAMS
1923 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1924 * io [O] Receives information about the operation on return
1925 * buffer [O] Destination for volume information
1926 * length [I] Size of FsInformation
1927 * info_class [I] Type of volume information to set
1928 *
1929 * RETURNS
1930 * Success: 0. io and buffer are updated.
1931 * Failure: An NTSTATUS error code describing the error.
1932 */
1933 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1934 PVOID buffer, ULONG length,
1935 FS_INFORMATION_CLASS info_class )
1936 {
1937 int fd, needs_close;
1938 struct stat st;
1939
1940 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1941 return io->u.Status;
1942
1943 io->u.Status = STATUS_NOT_IMPLEMENTED;
1944 io->Information = 0;
1945
1946 switch( info_class )
1947 {
1948 case FileFsVolumeInformation:
1949 FIXME( "%p: volume info not supported\n", handle );
1950 break;
1951 case FileFsLabelInformation:
1952 FIXME( "%p: label info not supported\n", handle );
1953 break;
1954 case FileFsSizeInformation:
1955 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1956 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1957 else
1958 {
1959 FILE_FS_SIZE_INFORMATION *info = buffer;
1960
1961 if (fstat( fd, &st ) < 0)
1962 {
1963 io->u.Status = FILE_GetNtStatus();
1964 break;
1965 }
1966 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1967 {
1968 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1969 }
1970 else
1971 {
1972 /* Linux's fstatvfs is buggy */
1973 #if !defined(linux) || !defined(HAVE_FSTATFS)
1974 struct statvfs stfs;
1975
1976 if (fstatvfs( fd, &stfs ) < 0)
1977 {
1978 io->u.Status = FILE_GetNtStatus();
1979 break;
1980 }
1981 info->BytesPerSector = stfs.f_frsize;
1982 #else
1983 struct statfs stfs;
1984 if (fstatfs( fd, &stfs ) < 0)
1985 {
1986 io->u.Status = FILE_GetNtStatus();
1987 break;
1988 }
1989 info->BytesPerSector = stfs.f_bsize;
1990 #endif
1991 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1992 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1993 info->SectorsPerAllocationUnit = 1;
1994 io->Information = sizeof(*info);
1995 io->u.Status = STATUS_SUCCESS;
1996 }
1997 }
1998 break;
1999 case FileFsDeviceInformation:
2000 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2001 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2002 else
2003 {
2004 FILE_FS_DEVICE_INFORMATION *info = buffer;
2005
2006 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2007 io->Information = sizeof(*info);
2008 }
2009 break;
2010 case FileFsAttributeInformation:
2011 FIXME( "%p: attribute info not supported\n", handle );
2012 break;
2013 case FileFsControlInformation:
2014 FIXME( "%p: control info not supported\n", handle );
2015 break;
2016 case FileFsFullSizeInformation:
2017 FIXME( "%p: full size info not supported\n", handle );
2018 break;
2019 case FileFsObjectIdInformation:
2020 FIXME( "%p: object id info not supported\n", handle );
2021 break;
2022 case FileFsMaximumInformation:
2023 FIXME( "%p: maximum info not supported\n", handle );
2024 break;
2025 default:
2026 io->u.Status = STATUS_INVALID_PARAMETER;
2027 break;
2028 }
2029 if (needs_close) close( fd );
2030 return io->u.Status;
2031 }
2032
2033
2034 /******************************************************************
2035 * NtFlushBuffersFile (NTDLL.@)
2036 *
2037 * Flush any buffered data on an open file handle.
2038 *
2039 * PARAMS
2040 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2041 * IoStatusBlock [O] Receives information about the operation on return
2042 *
2043 * RETURNS
2044 * Success: 0. IoStatusBlock is updated.
2045 * Failure: An NTSTATUS error code describing the error.
2046 */
2047 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2048 {
2049 NTSTATUS ret;
2050 HANDLE hEvent = NULL;
2051
2052 SERVER_START_REQ( flush_file )
2053 {
2054 req->handle = hFile;
2055 ret = wine_server_call( req );
2056 hEvent = reply->event;
2057 }
2058 SERVER_END_REQ;
2059 if (!ret && hEvent)
2060 {
2061 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2062 NtClose( hEvent );
2063 }
2064 return ret;
2065 }
2066
2067 /******************************************************************
2068 * NtLockFile (NTDLL.@)
2069 *
2070 *
2071 */
2072 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2073 PIO_APC_ROUTINE apc, void* apc_user,
2074 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2075 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2076 BOOLEAN exclusive )
2077 {
2078 NTSTATUS ret;
2079 HANDLE handle;
2080 BOOLEAN async;
2081
2082 if (apc || io_status || key)
2083 {
2084 FIXME("Unimplemented yet parameter\n");
2085 return STATUS_NOT_IMPLEMENTED;
2086 }
2087
2088 for (;;)
2089 {
2090 SERVER_START_REQ( lock_file )
2091 {
2092 req->handle = hFile;
2093 req->offset_low = offset->u.LowPart;
2094 req->offset_high = offset->u.HighPart;
2095 req->count_low = count->u.LowPart;
2096 req->count_high = count->u.HighPart;
2097 req->shared = !exclusive;
2098 req->wait = !dont_wait;
2099 ret = wine_server_call( req );
2100 handle = reply->handle;
2101 async = reply->overlapped;
2102 }
2103 SERVER_END_REQ;
2104 if (ret != STATUS_PENDING)
2105 {
2106 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2107 return ret;
2108 }
2109
2110 if (async)
2111 {
2112 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2113 if (handle) NtClose( handle );
2114 return STATUS_PENDING;
2115 }
2116 if (handle)
2117 {
2118 NtWaitForSingleObject( handle, FALSE, NULL );
2119 NtClose( handle );
2120 }
2121 else
2122 {
2123 LARGE_INTEGER time;
2124
2125 /* Unix lock conflict, sleep a bit and retry */
2126 time.QuadPart = 100 * (ULONGLONG)10000;
2127 time.QuadPart = -time.QuadPart;
2128 NtDelayExecution( FALSE, &time );
2129 }
2130 }
2131 }
2132
2133
2134 /******************************************************************
2135 * NtUnlockFile (NTDLL.@)
2136 *
2137 *
2138 */
2139 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2140 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2141 PULONG key )
2142 {
2143 NTSTATUS status;
2144
2145 TRACE( "%p %x%08x %x%08x\n",
2146 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2147
2148 if (io_status || key)
2149 {
2150 FIXME("Unimplemented yet parameter\n");
2151 return STATUS_NOT_IMPLEMENTED;
2152 }
2153
2154 SERVER_START_REQ( unlock_file )
2155 {
2156 req->handle = hFile;
2157 req->offset_low = offset->u.LowPart;
2158 req->offset_high = offset->u.HighPart;
2159 req->count_low = count->u.LowPart;
2160 req->count_high = count->u.HighPart;
2161 status = wine_server_call( req );
2162 }
2163 SERVER_END_REQ;
2164 return status;
2165 }
2166
2167 /******************************************************************
2168 * NtCreateNamedPipeFile (NTDLL.@)
2169 *
2170 *
2171 */
2172 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2173 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2174 ULONG sharing, ULONG dispo, ULONG options,
2175 ULONG pipe_type, ULONG read_mode,
2176 ULONG completion_mode, ULONG max_inst,
2177 ULONG inbound_quota, ULONG outbound_quota,
2178 PLARGE_INTEGER timeout)
2179 {
2180 NTSTATUS status;
2181
2182 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2183 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2184 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2185 outbound_quota, timeout);
2186
2187 /* assume we only get relative timeout */
2188 if (timeout->QuadPart > 0)
2189 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2190
2191 SERVER_START_REQ( create_named_pipe )
2192 {
2193 req->access = access;
2194 req->attributes = attr->Attributes;
2195 req->rootdir = attr->RootDirectory;
2196 req->options = options;
2197 req->flags =
2198 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2199 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2200 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2201 req->maxinstances = max_inst;
2202 req->outsize = outbound_quota;
2203 req->insize = inbound_quota;
2204 req->timeout = timeout->QuadPart;
2205 wine_server_add_data( req, attr->ObjectName->Buffer,
2206 attr->ObjectName->Length );
2207 status = wine_server_call( req );
2208 if (!status) *handle = reply->handle;
2209 }
2210 SERVER_END_REQ;
2211 return status;
2212 }
2213
2214 /******************************************************************
2215 * NtDeleteFile (NTDLL.@)
2216 *
2217 *
2218 */
2219 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2220 {
2221 NTSTATUS status;
2222 HANDLE hFile;
2223 IO_STATUS_BLOCK io;
2224
2225 TRACE("%p\n", ObjectAttributes);
2226 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2227 ObjectAttributes, &io, NULL, 0,
2228 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2229 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2230 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2231 return status;
2232 }
2233
2234 /******************************************************************
2235 * NtCancelIoFile (NTDLL.@)
2236 *
2237 *
2238 */
2239 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2240 {
2241 LARGE_INTEGER timeout;
2242
2243 TRACE("%p %p\n", hFile, io_status );
2244
2245 SERVER_START_REQ( cancel_async )
2246 {
2247 req->handle = hFile;
2248 wine_server_call( req );
2249 }
2250 SERVER_END_REQ;
2251 /* Let some APC be run, so that we can run the remaining APCs on hFile
2252 * either the cancelation of the pending one, but also the execution
2253 * of the queued APC, but not yet run. This is needed to ensure proper
2254 * clean-up of allocated data.
2255 */
2256 timeout.u.LowPart = timeout.u.HighPart = 0;
2257 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2258 }
2259
2260 /******************************************************************************
2261 * NtCreateMailslotFile [NTDLL.@]
2262 * ZwCreateMailslotFile [NTDLL.@]
2263 *
2264 * PARAMS
2265 * pHandle [O] pointer to receive the handle created
2266 * DesiredAccess [I] access mode (read, write, etc)
2267 * ObjectAttributes [I] fully qualified NT path of the mailslot
2268 * IoStatusBlock [O] receives completion status and other info
2269 * CreateOptions [I]
2270 * MailslotQuota [I]
2271 * MaxMessageSize [I]
2272 * TimeOut [I]
2273 *
2274 * RETURNS
2275 * An NT status code
2276 */
2277 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2278 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2279 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2280 PLARGE_INTEGER TimeOut)
2281 {
2282 LARGE_INTEGER timeout;
2283 NTSTATUS ret;
2284
2285 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2286 pHandle, DesiredAccess, attr, IoStatusBlock,
2287 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2288
2289 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2290 if (!attr) return STATUS_INVALID_PARAMETER;
2291 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2292
2293 /*
2294 * For a NULL TimeOut pointer set the default timeout value
2295 */
2296 if (!TimeOut)
2297 timeout.QuadPart = -1;
2298 else
2299 timeout.QuadPart = TimeOut->QuadPart;
2300
2301 SERVER_START_REQ( create_mailslot )
2302 {
2303 req->access = DesiredAccess;
2304 req->attributes = attr->Attributes;
2305 req->rootdir = attr->RootDirectory;
2306 req->max_msgsize = MaxMessageSize;
2307 req->read_timeout = timeout.QuadPart;
2308 wine_server_add_data( req, attr->ObjectName->Buffer,
2309 attr->ObjectName->Length );
2310 ret = wine_server_call( req );
2311 if( ret == STATUS_SUCCESS )
2312 *pHandle = reply->handle;
2313 }
2314 SERVER_END_REQ;
2315
2316 return ret;
2317 }
Windows API implementation