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push bc3e5bf5ba806943a97979264a1f2e4a4dde5c94
[wine/hacks.git] / dlls / ntdll / file.c
blobbf35a47d73890722e46dbad9a9f5720e24639e98
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 switch (status)
328 {
329 case STATUS_ALERTED: /* got some new data */
330 /* check to see if the data is ready (non-blocking) */
331 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
332 &needs_close, NULL, NULL )))
333 break;
334
335 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
336 if (needs_close) close( fd );
337
338 if (result < 0)
339 {
340 if (errno == EAGAIN || errno == EINTR)
341 status = STATUS_PENDING;
342 else /* check to see if the transfer is complete */
343 status = FILE_GetNtStatus();
344 }
345 else if (result == 0)
346 {
347 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
348 }
349 else
350 {
351 fileio->already += result;
352 if (fileio->already >= fileio->count || fileio->avail_mode)
353 status = STATUS_SUCCESS;
354 else
355 {
356 /* if we only have to read the available data, and none is available,
357 * simply cancel the request. If data was available, it has been read
358 * while in by previous call (NtDelayExecution)
359 */
360 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
361 }
362 }
363 break;
364
365 case STATUS_TIMEOUT:
366 case STATUS_IO_TIMEOUT:
367 if (fileio->already) status = STATUS_SUCCESS;
368 break;
369 }
370 if (status != STATUS_PENDING)
371 {
372 iosb->u.Status = status;
373 iosb->Information = fileio->already;
374 }
375 return status;
376 }
377
378 struct io_timeouts
379 {
380 int interval; /* max interval between two bytes */
381 int total; /* total timeout for the whole operation */
382 int end_time; /* absolute time of end of operation */
383 };
384
385 /* retrieve the I/O timeouts to use for a given handle */
386 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
387 struct io_timeouts *timeouts )
388 {
389 NTSTATUS status = STATUS_SUCCESS;
390
391 timeouts->interval = timeouts->total = -1;
392
393 switch(type)
394 {
395 case FD_TYPE_SERIAL:
396 {
397 /* GetCommTimeouts */
398 SERIAL_TIMEOUTS st;
399 IO_STATUS_BLOCK io;
400
401 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
402 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
403 if (status) break;
404
405 if (is_read)
406 {
407 if (st.ReadIntervalTimeout)
408 timeouts->interval = st.ReadIntervalTimeout;
409
410 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
411 {
412 timeouts->total = st.ReadTotalTimeoutConstant;
413 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
414 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
415 }
416 else if (st.ReadIntervalTimeout == MAXDWORD)
417 timeouts->interval = 0;
418 }
419 else /* write */
420 {
421 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
422 {
423 timeouts->total = st.WriteTotalTimeoutConstant;
424 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
425 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
426 }
427 }
428 }
429 break;
430 case FD_TYPE_MAILSLOT:
431 if (is_read)
432 {
433 timeouts->interval = 0; /* return as soon as we got something */
434 SERVER_START_REQ( set_mailslot_info )
435 {
436 req->handle = handle;
437 req->flags = 0;
438 if (!(status = wine_server_call( req )) &&
439 reply->read_timeout != TIMEOUT_INFINITE)
440 timeouts->total = reply->read_timeout / -10000;
441 }
442 SERVER_END_REQ;
443 }
444 break;
445 case FD_TYPE_SOCKET:
446 case FD_TYPE_PIPE:
447 case FD_TYPE_CHAR:
448 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
449 break;
450 default:
451 break;
452 }
453 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
454 return STATUS_SUCCESS;
455 }
456
457
458 /* retrieve the timeout for the next wait, in milliseconds */
459 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
460 {
461 int ret = -1;
462
463 if (timeouts->total != -1)
464 {
465 ret = timeouts->end_time - NtGetTickCount();
466 if (ret < 0) ret = 0;
467 }
468 if (already && timeouts->interval != -1)
469 {
470 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
471 }
472 return ret;
473 }
474
475
476 /* retrieve the avail_mode flag for async reads */
477 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
478 {
479 NTSTATUS status = STATUS_SUCCESS;
480
481 switch(type)
482 {
483 case FD_TYPE_SERIAL:
484 {
485 /* GetCommTimeouts */
486 SERIAL_TIMEOUTS st;
487 IO_STATUS_BLOCK io;
488
489 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
490 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
491 if (status) break;
492 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
493 !st.ReadTotalTimeoutConstant &&
494 st.ReadIntervalTimeout == MAXDWORD);
495 }
496 break;
497 case FD_TYPE_MAILSLOT:
498 case FD_TYPE_SOCKET:
499 case FD_TYPE_PIPE:
500 case FD_TYPE_CHAR:
501 *avail_mode = TRUE;
502 break;
503 default:
504 *avail_mode = FALSE;
505 break;
506 }
507 return status;
508 }
509
510
511 /******************************************************************************
512 * NtReadFile [NTDLL.@]
513 * ZwReadFile [NTDLL.@]
514 *
515 * Read from an open file handle.
516 *
517 * PARAMS
518 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
519 * Event [I] Event to signal upon completion (or NULL)
520 * ApcRoutine [I] Callback to call upon completion (or NULL)
521 * ApcContext [I] Context for ApcRoutine (or NULL)
522 * IoStatusBlock [O] Receives information about the operation on return
523 * Buffer [O] Destination for the data read
524 * Length [I] Size of Buffer
525 * ByteOffset [O] Destination for the new file pointer position (or NULL)
526 * Key [O] Function unknown (may be NULL)
527 *
528 * RETURNS
529 * Success: 0. IoStatusBlock is updated, and the Information member contains
530 * The number of bytes read.
531 * Failure: An NTSTATUS error code describing the error.
532 */
533 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
534 PIO_APC_ROUTINE apc, void* apc_user,
535 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
536 PLARGE_INTEGER offset, PULONG key)
537 {
538 int result, unix_handle, needs_close, timeout_init_done = 0;
539 unsigned int options;
540 struct io_timeouts timeouts;
541 NTSTATUS status;
542 ULONG total = 0;
543 enum server_fd_type type;
544
545 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
546 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
547
548 if (!io_status) return STATUS_ACCESS_VIOLATION;
549
550 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
551 &needs_close, &type, &options );
552 if (status) return status;
553
554 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
555 {
556 /* async I/O doesn't make sense on regular files */
557 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
558 {
559 if (errno != EINTR)
560 {
561 status = FILE_GetNtStatus();
562 goto done;
563 }
564 }
565 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
566 /* update file pointer position */
567 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
568
569 total = result;
570 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
571 goto done;
572 }
573
574 for (;;)
575 {
576 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
577 {
578 total += result;
579 if (!result || total == length)
580 {
581 if (total)
582 status = STATUS_SUCCESS;
583 else
584 status = (type == FD_TYPE_FILE || type == FD_TYPE_CHAR) ? STATUS_END_OF_FILE : STATUS_PIPE_BROKEN;
585 goto done;
586 }
587 }
588 else
589 {
590 if (errno == EINTR) continue;
591 if (errno != EAGAIN)
592 {
593 status = FILE_GetNtStatus();
594 goto done;
595 }
596 }
597
598 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
599 {
600 async_fileio_read *fileio;
601 BOOL avail_mode;
602
603 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
604 goto done;
605 if (total && avail_mode)
606 {
607 status = STATUS_SUCCESS;
608 goto done;
609 }
610
611 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
612 {
613 status = STATUS_NO_MEMORY;
614 goto done;
615 }
616 fileio->io.handle = hFile;
617 fileio->io.apc = apc;
618 fileio->io.apc_arg = apc_user;
619 fileio->already = total;
620 fileio->count = length;
621 fileio->buffer = buffer;
622 fileio->avail_mode = avail_mode;
623
624 SERVER_START_REQ( register_async )
625 {
626 req->handle = hFile;
627 req->type = ASYNC_TYPE_READ;
628 req->count = length;
629 req->async.callback = FILE_AsyncReadService;
630 req->async.iosb = io_status;
631 req->async.arg = fileio;
632 req->async.apc = fileio_apc;
633 req->async.event = hEvent;
634 status = wine_server_call( req );
635 }
636 SERVER_END_REQ;
637
638 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
639 goto done;
640 }
641 else /* synchronous read, wait for the fd to become ready */
642 {
643 struct pollfd pfd;
644 int ret, timeout;
645
646 if (!timeout_init_done)
647 {
648 timeout_init_done = 1;
649 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
650 goto done;
651 if (hEvent) NtResetEvent( hEvent, NULL );
652 }
653 timeout = get_next_io_timeout( &timeouts, total );
654
655 pfd.fd = unix_handle;
656 pfd.events = POLLIN;
657
658 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
659 {
660 if (total) /* return with what we got so far */
661 status = STATUS_SUCCESS;
662 else
663 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
664 goto done;
665 }
666 if (ret == -1 && errno != EINTR)
667 {
668 status = FILE_GetNtStatus();
669 goto done;
670 }
671 /* will now restart the read */
672 }
673 }
674
675 done:
676 if (needs_close) close( unix_handle );
677 if (status == STATUS_SUCCESS)
678 {
679 io_status->u.Status = status;
680 io_status->Information = total;
681 TRACE("= SUCCESS (%u)\n", total);
682 if (hEvent) NtSetEvent( hEvent, NULL );
683 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
684 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
685 }
686 else
687 {
688 TRACE("= 0x%08x\n", status);
689 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
690 }
691 return status;
692 }
693
694 /***********************************************************************
695 * FILE_AsyncWriteService (INTERNAL)
696 */
697 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status)
698 {
699 async_fileio_write *fileio = user;
700 int result, fd, needs_close;
701 enum server_fd_type type;
702
703 switch (status)
704 {
705 case STATUS_ALERTED:
706 /* write some data (non-blocking) */
707 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
708 &needs_close, &type, NULL )))
709 break;
710
711 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
712 result = send( fd, fileio->buffer, 0, 0 );
713 else
714 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
715
716 if (needs_close) close( fd );
717
718 if (result < 0)
719 {
720 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
721 else status = FILE_GetNtStatus();
722 }
723 else
724 {
725 fileio->already += result;
726 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
727 }
728 break;
729
730 case STATUS_TIMEOUT:
731 case STATUS_IO_TIMEOUT:
732 if (fileio->already) status = STATUS_SUCCESS;
733 break;
734 }
735 if (status != STATUS_PENDING)
736 {
737 iosb->u.Status = status;
738 iosb->Information = fileio->already;
739 }
740 return status;
741 }
742
743 /******************************************************************************
744 * NtWriteFile [NTDLL.@]
745 * ZwWriteFile [NTDLL.@]
746 *
747 * Write to an open file handle.
748 *
749 * PARAMS
750 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
751 * Event [I] Event to signal upon completion (or NULL)
752 * ApcRoutine [I] Callback to call upon completion (or NULL)
753 * ApcContext [I] Context for ApcRoutine (or NULL)
754 * IoStatusBlock [O] Receives information about the operation on return
755 * Buffer [I] Source for the data to write
756 * Length [I] Size of Buffer
757 * ByteOffset [O] Destination for the new file pointer position (or NULL)
758 * Key [O] Function unknown (may be NULL)
759 *
760 * RETURNS
761 * Success: 0. IoStatusBlock is updated, and the Information member contains
762 * The number of bytes written.
763 * Failure: An NTSTATUS error code describing the error.
764 */
765 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
766 PIO_APC_ROUTINE apc, void* apc_user,
767 PIO_STATUS_BLOCK io_status,
768 const void* buffer, ULONG length,
769 PLARGE_INTEGER offset, PULONG key)
770 {
771 int result, unix_handle, needs_close, timeout_init_done = 0;
772 unsigned int options;
773 struct io_timeouts timeouts;
774 NTSTATUS status;
775 ULONG total = 0;
776 enum server_fd_type type;
777
778 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
779 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
780
781 if (!io_status) return STATUS_ACCESS_VIOLATION;
782
783 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
784 &needs_close, &type, &options );
785 if (status) return status;
786
787 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
788 {
789 /* async I/O doesn't make sense on regular files */
790 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
791 {
792 if (errno != EINTR)
793 {
794 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
795 else status = FILE_GetNtStatus();
796 goto done;
797 }
798 }
799
800 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
801 /* update file pointer position */
802 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
803
804 total = result;
805 status = STATUS_SUCCESS;
806 goto done;
807 }
808
809 for (;;)
810 {
811 /* zero-length writes on sockets may not work with plain write(2) */
812 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
813 result = send( unix_handle, buffer, 0, 0 );
814 else
815 result = write( unix_handle, (const char *)buffer + total, length - total );
816
817 if (result >= 0)
818 {
819 total += result;
820 if (total == length)
821 {
822 status = STATUS_SUCCESS;
823 goto done;
824 }
825 }
826 else
827 {
828 if (errno == EINTR) continue;
829 if (errno != EAGAIN)
830 {
831 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
832 else status = FILE_GetNtStatus();
833 goto done;
834 }
835 }
836
837 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
838 {
839 async_fileio_write *fileio;
840
841 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
842 {
843 status = STATUS_NO_MEMORY;
844 goto done;
845 }
846 fileio->io.handle = hFile;
847 fileio->io.apc = apc;
848 fileio->io.apc_arg = apc_user;
849 fileio->already = total;
850 fileio->count = length;
851 fileio->buffer = buffer;
852
853 SERVER_START_REQ( register_async )
854 {
855 req->handle = hFile;
856 req->type = ASYNC_TYPE_WRITE;
857 req->count = length;
858 req->async.callback = FILE_AsyncWriteService;
859 req->async.iosb = io_status;
860 req->async.arg = fileio;
861 req->async.apc = fileio_apc;
862 req->async.event = hEvent;
863 status = wine_server_call( req );
864 }
865 SERVER_END_REQ;
866
867 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
868 goto done;
869 }
870 else /* synchronous write, wait for the fd to become ready */
871 {
872 struct pollfd pfd;
873 int ret, timeout;
874
875 if (!timeout_init_done)
876 {
877 timeout_init_done = 1;
878 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
879 goto done;
880 if (hEvent) NtResetEvent( hEvent, NULL );
881 }
882 timeout = get_next_io_timeout( &timeouts, total );
883
884 pfd.fd = unix_handle;
885 pfd.events = POLLOUT;
886
887 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
888 {
889 /* return with what we got so far */
890 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
891 goto done;
892 }
893 if (ret == -1 && errno != EINTR)
894 {
895 status = FILE_GetNtStatus();
896 goto done;
897 }
898 /* will now restart the write */
899 }
900 }
901
902 done:
903 if (needs_close) close( unix_handle );
904 if (status == STATUS_SUCCESS)
905 {
906 io_status->u.Status = status;
907 io_status->Information = total;
908 TRACE("= SUCCESS (%u)\n", total);
909 if (hEvent) NtSetEvent( hEvent, NULL );
910 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
911 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
912 }
913 else
914 {
915 TRACE("= 0x%08x\n", status);
916 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
917 }
918 return status;
919 }
920
921
922 struct async_ioctl
923 {
924 HANDLE handle; /* handle to the device */
925 void *buffer; /* buffer for output */
926 ULONG size; /* size of buffer */
927 PIO_APC_ROUTINE apc; /* user apc params */
928 void *apc_arg;
929 };
930
931 /* callback for ioctl async I/O completion */
932 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
933 {
934 struct async_ioctl *async = arg;
935
936 if (status == STATUS_ALERTED)
937 {
938 SERVER_START_REQ( get_ioctl_result )
939 {
940 req->handle = async->handle;
941 req->user_arg = async;
942 wine_server_set_reply( req, async->buffer, async->size );
943 if (!(status = wine_server_call( req )))
944 io->Information = wine_server_reply_size( reply );
945 }
946 SERVER_END_REQ;
947 }
948 if (status != STATUS_PENDING) io->u.Status = status;
949 return status;
950 }
951
952 /* callback for ioctl user APC */
953 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
954 {
955 struct async_ioctl *async = arg;
956 if (async->apc) async->apc( async->apc_arg, io, reserved );
957 RtlFreeHeap( GetProcessHeap(), 0, async );
958 }
959
960 /* do a ioctl call through the server */
961 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
962 PIO_APC_ROUTINE apc, PVOID apc_context,
963 IO_STATUS_BLOCK *io, ULONG code,
964 const void *in_buffer, ULONG in_size,
965 PVOID out_buffer, ULONG out_size )
966 {
967 struct async_ioctl *async;
968 NTSTATUS status;
969 HANDLE wait_handle;
970 ULONG options;
971
972 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
973 return STATUS_NO_MEMORY;
974 async->handle = handle;
975 async->buffer = out_buffer;
976 async->size = out_size;
977 async->apc = apc;
978 async->apc_arg = apc_context;
979
980 SERVER_START_REQ( ioctl )
981 {
982 req->handle = handle;
983 req->code = code;
984 req->async.callback = ioctl_completion;
985 req->async.iosb = io;
986 req->async.arg = async;
987 req->async.apc = (apc || event) ? ioctl_apc : NULL;
988 req->async.event = event;
989 wine_server_add_data( req, in_buffer, in_size );
990 wine_server_set_reply( req, out_buffer, out_size );
991 if (!(status = wine_server_call( req )))
992 io->Information = wine_server_reply_size( reply );
993 wait_handle = reply->wait;
994 options = reply->options;
995 }
996 SERVER_END_REQ;
997
998 if (status == STATUS_NOT_SUPPORTED)
999 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1000 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1001
1002 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1003
1004 if (wait_handle)
1005 {
1006 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1007 status = io->u.Status;
1008 NtClose( wait_handle );
1009 RtlFreeHeap( GetProcessHeap(), 0, async );
1010 }
1011
1012 return status;
1013 }
1014
1015
1016 /**************************************************************************
1017 * NtDeviceIoControlFile [NTDLL.@]
1018 * ZwDeviceIoControlFile [NTDLL.@]
1019 *
1020 * Perform an I/O control operation on an open file handle.
1021 *
1022 * PARAMS
1023 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1024 * event [I] Event to signal upon completion (or NULL)
1025 * apc [I] Callback to call upon completion (or NULL)
1026 * apc_context [I] Context for ApcRoutine (or NULL)
1027 * io [O] Receives information about the operation on return
1028 * code [I] Control code for the operation to perform
1029 * in_buffer [I] Source for any input data required (or NULL)
1030 * in_size [I] Size of InputBuffer
1031 * out_buffer [O] Source for any output data returned (or NULL)
1032 * out_size [I] Size of OutputBuffer
1033 *
1034 * RETURNS
1035 * Success: 0. IoStatusBlock is updated.
1036 * Failure: An NTSTATUS error code describing the error.
1037 */
1038 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1039 PIO_APC_ROUTINE apc, PVOID apc_context,
1040 PIO_STATUS_BLOCK io, ULONG code,
1041 PVOID in_buffer, ULONG in_size,
1042 PVOID out_buffer, ULONG out_size)
1043 {
1044 ULONG device = (code >> 16);
1045 NTSTATUS status;
1046
1047 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1048 handle, event, apc, apc_context, io, code,
1049 in_buffer, in_size, out_buffer, out_size);
1050
1051 switch(device)
1052 {
1053 case FILE_DEVICE_DISK:
1054 case FILE_DEVICE_CD_ROM:
1055 case FILE_DEVICE_DVD:
1056 case FILE_DEVICE_CONTROLLER:
1057 case FILE_DEVICE_MASS_STORAGE:
1058 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1059 in_buffer, in_size, out_buffer, out_size);
1060 break;
1061 case FILE_DEVICE_SERIAL_PORT:
1062 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1063 in_buffer, in_size, out_buffer, out_size);
1064 break;
1065 case FILE_DEVICE_TAPE:
1066 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1067 in_buffer, in_size, out_buffer, out_size);
1068 break;
1069 default:
1070 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1071 in_buffer, in_size, out_buffer, out_size );
1072 break;
1073 }
1074 if (status != STATUS_PENDING) io->u.Status = status;
1075 return status;
1076 }
1077
1078
1079 /**************************************************************************
1080 * NtFsControlFile [NTDLL.@]
1081 * ZwFsControlFile [NTDLL.@]
1082 *
1083 * Perform a file system control operation on an open file handle.
1084 *
1085 * PARAMS
1086 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1087 * event [I] Event to signal upon completion (or NULL)
1088 * apc [I] Callback to call upon completion (or NULL)
1089 * apc_context [I] Context for ApcRoutine (or NULL)
1090 * io [O] Receives information about the operation on return
1091 * code [I] Control code for the operation to perform
1092 * in_buffer [I] Source for any input data required (or NULL)
1093 * in_size [I] Size of InputBuffer
1094 * out_buffer [O] Source for any output data returned (or NULL)
1095 * out_size [I] Size of OutputBuffer
1096 *
1097 * RETURNS
1098 * Success: 0. IoStatusBlock is updated.
1099 * Failure: An NTSTATUS error code describing the error.
1100 */
1101 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1102 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1103 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1104 {
1105 NTSTATUS status;
1106
1107 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1108 handle, event, apc, apc_context, io, code,
1109 in_buffer, in_size, out_buffer, out_size);
1110
1111 if (!io) return STATUS_INVALID_PARAMETER;
1112
1113 switch(code)
1114 {
1115 case FSCTL_DISMOUNT_VOLUME:
1116 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1117 in_buffer, in_size, out_buffer, out_size );
1118 if (!status) status = DIR_unmount_device( handle );
1119 break;
1120
1121 case FSCTL_PIPE_PEEK:
1122 {
1123 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1124 int avail = 0, fd, needs_close;
1125
1126 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1127 {
1128 status = STATUS_INFO_LENGTH_MISMATCH;
1129 break;
1130 }
1131
1132 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1133 break;
1134
1135 #ifdef FIONREAD
1136 if (ioctl( fd, FIONREAD, &avail ) != 0)
1137 {
1138 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1139 if (needs_close) close( fd );
1140 status = FILE_GetNtStatus();
1141 break;
1142 }
1143 #endif
1144 if (!avail) /* check for closed pipe */
1145 {
1146 struct pollfd pollfd;
1147 int ret;
1148
1149 pollfd.fd = fd;
1150 pollfd.events = POLLIN;
1151 pollfd.revents = 0;
1152 ret = poll( &pollfd, 1, 0 );
1153 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1154 {
1155 if (needs_close) close( fd );
1156 status = STATUS_PIPE_BROKEN;
1157 break;
1158 }
1159 }
1160 buffer->NamedPipeState = 0; /* FIXME */
1161 buffer->ReadDataAvailable = avail;
1162 buffer->NumberOfMessages = 0; /* FIXME */
1163 buffer->MessageLength = 0; /* FIXME */
1164 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1165 status = STATUS_SUCCESS;
1166 if (avail)
1167 {
1168 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1169 if (data_size)
1170 {
1171 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1172 if (res >= 0) io->Information += res;
1173 }
1174 }
1175 if (needs_close) close( fd );
1176 }
1177 break;
1178
1179 case FSCTL_PIPE_DISCONNECT:
1180 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1181 in_buffer, in_size, out_buffer, out_size );
1182 if (!status)
1183 {
1184 int fd = server_remove_fd_from_cache( handle );
1185 if (fd != -1) close( fd );
1186 }
1187 break;
1188
1189 case FSCTL_PIPE_IMPERSONATE:
1190 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1191 status = RtlImpersonateSelf( SecurityImpersonation );
1192 break;
1193
1194 case FSCTL_LOCK_VOLUME:
1195 case FSCTL_UNLOCK_VOLUME:
1196 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1197 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1198 status = STATUS_SUCCESS;
1199 break;
1200
1201 case FSCTL_PIPE_LISTEN:
1202 case FSCTL_PIPE_WAIT:
1203 default:
1204 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1205 in_buffer, in_size, out_buffer, out_size );
1206 break;
1207 }
1208
1209 if (status != STATUS_PENDING) io->u.Status = status;
1210 return status;
1211 }
1212
1213 /******************************************************************************
1214 * NtSetVolumeInformationFile [NTDLL.@]
1215 * ZwSetVolumeInformationFile [NTDLL.@]
1216 *
1217 * Set volume information for an open file handle.
1218 *
1219 * PARAMS
1220 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1221 * IoStatusBlock [O] Receives information about the operation on return
1222 * FsInformation [I] Source for volume information
1223 * Length [I] Size of FsInformation
1224 * FsInformationClass [I] Type of volume information to set
1225 *
1226 * RETURNS
1227 * Success: 0. IoStatusBlock is updated.
1228 * Failure: An NTSTATUS error code describing the error.
1229 */
1230 NTSTATUS WINAPI NtSetVolumeInformationFile(
1231 IN HANDLE FileHandle,
1232 PIO_STATUS_BLOCK IoStatusBlock,
1233 PVOID FsInformation,
1234 ULONG Length,
1235 FS_INFORMATION_CLASS FsInformationClass)
1236 {
1237 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1238 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1239 return 0;
1240 }
1241
1242 /******************************************************************************
1243 * NtQueryInformationFile [NTDLL.@]
1244 * ZwQueryInformationFile [NTDLL.@]
1245 *
1246 * Get information about an open file handle.
1247 *
1248 * PARAMS
1249 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1250 * io [O] Receives information about the operation on return
1251 * ptr [O] Destination for file information
1252 * len [I] Size of FileInformation
1253 * class [I] Type of file information to get
1254 *
1255 * RETURNS
1256 * Success: 0. IoStatusBlock and FileInformation are updated.
1257 * Failure: An NTSTATUS error code describing the error.
1258 */
1259 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1260 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1261 {
1262 static const size_t info_sizes[] =
1263 {
1264 0,
1265 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1266 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1267 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1268 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1269 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1270 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1271 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1272 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1273 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1274 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1275 0, /* FileLinkInformation */
1276 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1277 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1278 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1279 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1280 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1281 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1282 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1283 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1284 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1285 0, /* FileAlternateNameInformation */
1286 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1287 0, /* FilePipeInformation */
1288 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1289 0, /* FilePipeRemoteInformation */
1290 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1291 0, /* FileMailslotSetInformation */
1292 0, /* FileCompressionInformation */
1293 0, /* FileObjectIdInformation */
1294 0, /* FileCompletionInformation */
1295 0, /* FileMoveClusterInformation */
1296 0, /* FileQuotaInformation */
1297 0, /* FileReparsePointInformation */
1298 0, /* FileNetworkOpenInformation */
1299 0, /* FileAttributeTagInformation */
1300 0 /* FileTrackingInformation */
1301 };
1302
1303 struct stat st;
1304 int fd, needs_close = FALSE;
1305
1306 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1307
1308 io->Information = 0;
1309
1310 if (class <= 0 || class >= FileMaximumInformation)
1311 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1312 if (!info_sizes[class])
1313 {
1314 FIXME("Unsupported class (%d)\n", class);
1315 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1316 }
1317 if (len < info_sizes[class])
1318 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1319
1320 if (class != FilePipeLocalInformation)
1321 {
1322 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1323 return io->u.Status;
1324 }
1325
1326 switch (class)
1327 {
1328 case FileBasicInformation:
1329 {
1330 FILE_BASIC_INFORMATION *info = ptr;
1331
1332 if (fstat( fd, &st ) == -1)
1333 io->u.Status = FILE_GetNtStatus();
1334 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1335 io->u.Status = STATUS_INVALID_INFO_CLASS;
1336 else
1337 {
1338 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1339 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1340 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1341 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1342 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1343 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1344 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1345 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1346 }
1347 }
1348 break;
1349 case FileStandardInformation:
1350 {
1351 FILE_STANDARD_INFORMATION *info = ptr;
1352
1353 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1354 else
1355 {
1356 if ((info->Directory = S_ISDIR(st.st_mode)))
1357 {
1358 info->AllocationSize.QuadPart = 0;
1359 info->EndOfFile.QuadPart = 0;
1360 info->NumberOfLinks = 1;
1361 info->DeletePending = FALSE;
1362 }
1363 else
1364 {
1365 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1366 info->EndOfFile.QuadPart = st.st_size;
1367 info->NumberOfLinks = st.st_nlink;
1368 info->DeletePending = FALSE; /* FIXME */
1369 }
1370 }
1371 }
1372 break;
1373 case FilePositionInformation:
1374 {
1375 FILE_POSITION_INFORMATION *info = ptr;
1376 off_t res = lseek( fd, 0, SEEK_CUR );
1377 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1378 else info->CurrentByteOffset.QuadPart = res;
1379 }
1380 break;
1381 case FileInternalInformation:
1382 {
1383 FILE_INTERNAL_INFORMATION *info = ptr;
1384
1385 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1386 else info->IndexNumber.QuadPart = st.st_ino;
1387 }
1388 break;
1389 case FileEaInformation:
1390 {
1391 FILE_EA_INFORMATION *info = ptr;
1392 info->EaSize = 0;
1393 }
1394 break;
1395 case FileEndOfFileInformation:
1396 {
1397 FILE_END_OF_FILE_INFORMATION *info = ptr;
1398
1399 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1400 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1401 }
1402 break;
1403 case FileAllInformation:
1404 {
1405 FILE_ALL_INFORMATION *info = ptr;
1406
1407 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1408 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1409 io->u.Status = STATUS_INVALID_INFO_CLASS;
1410 else
1411 {
1412 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1413 {
1414 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1415 info->StandardInformation.AllocationSize.QuadPart = 0;
1416 info->StandardInformation.EndOfFile.QuadPart = 0;
1417 info->StandardInformation.NumberOfLinks = 1;
1418 info->StandardInformation.DeletePending = FALSE;
1419 }
1420 else
1421 {
1422 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1423 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1424 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1425 info->StandardInformation.NumberOfLinks = st.st_nlink;
1426 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1427 }
1428 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1429 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1430 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1431 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1432 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1433 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1434 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1435 info->EaInformation.EaSize = 0;
1436 info->AccessInformation.AccessFlags = 0; /* FIXME */
1437 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1438 info->ModeInformation.Mode = 0; /* FIXME */
1439 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1440 info->NameInformation.FileNameLength = 0;
1441 io->Information = sizeof(*info) - sizeof(WCHAR);
1442 }
1443 }
1444 break;
1445 case FileMailslotQueryInformation:
1446 {
1447 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1448
1449 SERVER_START_REQ( set_mailslot_info )
1450 {
1451 req->handle = hFile;
1452 req->flags = 0;
1453 io->u.Status = wine_server_call( req );
1454 if( io->u.Status == STATUS_SUCCESS )
1455 {
1456 info->MaximumMessageSize = reply->max_msgsize;
1457 info->MailslotQuota = 0;
1458 info->NextMessageSize = 0;
1459 info->MessagesAvailable = 0;
1460 info->ReadTimeout.QuadPart = reply->read_timeout;
1461 }
1462 }
1463 SERVER_END_REQ;
1464 if (!io->u.Status)
1465 {
1466 char *tmpbuf;
1467 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1468 if (size > 0x10000) size = 0x10000;
1469 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1470 {
1471 int fd, needs_close;
1472 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1473 {
1474 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1475 info->MessagesAvailable = (res > 0);
1476 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1477 if (needs_close) close( fd );
1478 }
1479 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1480 }
1481 }
1482 }
1483 break;
1484 case FilePipeLocalInformation:
1485 {
1486 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1487
1488 SERVER_START_REQ( get_named_pipe_info )
1489 {
1490 req->handle = hFile;
1491 if (!(io->u.Status = wine_server_call( req )))
1492 {
1493 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1494 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1495 pli->NamedPipeConfiguration = 0; /* FIXME */
1496 pli->MaximumInstances = reply->maxinstances;
1497 pli->CurrentInstances = reply->instances;
1498 pli->InboundQuota = reply->insize;
1499 pli->ReadDataAvailable = 0; /* FIXME */
1500 pli->OutboundQuota = reply->outsize;
1501 pli->WriteQuotaAvailable = 0; /* FIXME */
1502 pli->NamedPipeState = 0; /* FIXME */
1503 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1504 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1505 }
1506 }
1507 SERVER_END_REQ;
1508 }
1509 break;
1510 default:
1511 FIXME("Unsupported class (%d)\n", class);
1512 io->u.Status = STATUS_NOT_IMPLEMENTED;
1513 break;
1514 }
1515 if (needs_close) close( fd );
1516 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1517 return io->u.Status;
1518 }
1519
1520 /******************************************************************************
1521 * NtSetInformationFile [NTDLL.@]
1522 * ZwSetInformationFile [NTDLL.@]
1523 *
1524 * Set information about an open file handle.
1525 *
1526 * PARAMS
1527 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1528 * io [O] Receives information about the operation on return
1529 * ptr [I] Source for file information
1530 * len [I] Size of FileInformation
1531 * class [I] Type of file information to set
1532 *
1533 * RETURNS
1534 * Success: 0. io is updated.
1535 * Failure: An NTSTATUS error code describing the error.
1536 */
1537 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1538 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1539 {
1540 int fd, needs_close;
1541
1542 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1543
1544 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1545 return io->u.Status;
1546
1547 io->u.Status = STATUS_SUCCESS;
1548 switch (class)
1549 {
1550 case FileBasicInformation:
1551 if (len >= sizeof(FILE_BASIC_INFORMATION))
1552 {
1553 struct stat st;
1554 const FILE_BASIC_INFORMATION *info = ptr;
1555
1556 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1557 {
1558 ULONGLONG sec, nsec;
1559 struct timeval tv[2];
1560
1561 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1562 {
1563
1564 tv[0].tv_sec = tv[0].tv_usec = 0;
1565 tv[1].tv_sec = tv[1].tv_usec = 0;
1566 if (!fstat( fd, &st ))
1567 {
1568 tv[0].tv_sec = st.st_atime;
1569 tv[1].tv_sec = st.st_mtime;
1570 }
1571 }
1572 if (info->LastAccessTime.QuadPart)
1573 {
1574 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1575 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1576 tv[0].tv_usec = (UINT)nsec / 10;
1577 }
1578 if (info->LastWriteTime.QuadPart)
1579 {
1580 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1581 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1582 tv[1].tv_usec = (UINT)nsec / 10;
1583 }
1584 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1585 }
1586
1587 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1588 {
1589 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1590 else
1591 {
1592 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1593 {
1594 if (S_ISDIR( st.st_mode))
1595 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1596 else
1597 st.st_mode &= ~0222; /* clear write permission bits */
1598 }
1599 else
1600 {
1601 /* add write permission only where we already have read permission */
1602 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1603 }
1604 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1605 }
1606 }
1607 }
1608 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1609 break;
1610
1611 case FilePositionInformation:
1612 if (len >= sizeof(FILE_POSITION_INFORMATION))
1613 {
1614 const FILE_POSITION_INFORMATION *info = ptr;
1615
1616 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1617 io->u.Status = FILE_GetNtStatus();
1618 }
1619 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1620 break;
1621
1622 case FileEndOfFileInformation:
1623 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1624 {
1625 struct stat st;
1626 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1627
1628 /* first try normal truncate */
1629 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1630
1631 /* now check for the need to extend the file */
1632 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1633 {
1634 static const char zero;
1635
1636 /* extend the file one byte beyond the requested size and then truncate it */
1637 /* this should work around ftruncate implementations that can't extend files */
1638 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1639 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1640 }
1641 io->u.Status = FILE_GetNtStatus();
1642 }
1643 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1644 break;
1645
1646 case FileMailslotSetInformation:
1647 {
1648 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1649
1650 SERVER_START_REQ( set_mailslot_info )
1651 {
1652 req->handle = handle;
1653 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1654 req->read_timeout = info->ReadTimeout.QuadPart;
1655 io->u.Status = wine_server_call( req );
1656 }
1657 SERVER_END_REQ;
1658 }
1659 break;
1660
1661 default:
1662 FIXME("Unsupported class (%d)\n", class);
1663 io->u.Status = STATUS_NOT_IMPLEMENTED;
1664 break;
1665 }
1666 if (needs_close) close( fd );
1667 io->Information = 0;
1668 return io->u.Status;
1669 }
1670
1671
1672 /******************************************************************************
1673 * NtQueryFullAttributesFile (NTDLL.@)
1674 */
1675 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1676 FILE_NETWORK_OPEN_INFORMATION *info )
1677 {
1678 ANSI_STRING unix_name;
1679 NTSTATUS status;
1680
1681 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1682 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1683 {
1684 struct stat st;
1685
1686 if (stat( unix_name.Buffer, &st ) == -1)
1687 status = FILE_GetNtStatus();
1688 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1689 status = STATUS_INVALID_INFO_CLASS;
1690 else
1691 {
1692 if (S_ISDIR(st.st_mode))
1693 {
1694 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1695 info->AllocationSize.QuadPart = 0;
1696 info->EndOfFile.QuadPart = 0;
1697 }
1698 else
1699 {
1700 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1701 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1702 info->EndOfFile.QuadPart = st.st_size;
1703 }
1704 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1705 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1706 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1707 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1708 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1709 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1710 if (DIR_is_hidden_file( attr->ObjectName ))
1711 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1712 }
1713 RtlFreeAnsiString( &unix_name );
1714 }
1715 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1716 return status;
1717 }
1718
1719
1720 /******************************************************************************
1721 * NtQueryAttributesFile (NTDLL.@)
1722 * ZwQueryAttributesFile (NTDLL.@)
1723 */
1724 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1725 {
1726 FILE_NETWORK_OPEN_INFORMATION full_info;
1727 NTSTATUS status;
1728
1729 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1730 {
1731 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1732 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1733 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1734 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1735 info->FileAttributes = full_info.FileAttributes;
1736 }
1737 return status;
1738 }
1739
1740
1741 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
1742 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
1743 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
1744 unsigned int flags )
1745 {
1746 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
1747 {
1748 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1749 /* Don't assume read-only, let the mount options set it below */
1750 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1751 }
1752 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
1753 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
1754 {
1755 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1756 info->Characteristics |= FILE_REMOTE_DEVICE;
1757 }
1758 else if (!strcmp("procfs", fstypename))
1759 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1760 else
1761 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1762
1763 if (flags & MNT_RDONLY)
1764 info->Characteristics |= FILE_READ_ONLY_DEVICE;
1765
1766 if (!(flags & MNT_LOCAL))
1767 {
1768 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1769 info->Characteristics |= FILE_REMOTE_DEVICE;
1770 }
1771 }
1772 #endif
1773
1774 /******************************************************************************
1775 * get_device_info
1776 *
1777 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
1778 */
1779 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
1780 {
1781 struct stat st;
1782
1783 info->Characteristics = 0;
1784 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
1785 if (S_ISCHR( st.st_mode ))
1786 {
1787 info->DeviceType = FILE_DEVICE_UNKNOWN;
1788 #ifdef linux
1789 switch(major(st.st_rdev))
1790 {
1791 case MEM_MAJOR:
1792 info->DeviceType = FILE_DEVICE_NULL;
1793 break;
1794 case TTY_MAJOR:
1795 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1796 break;
1797 case LP_MAJOR:
1798 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1799 break;
1800 case SCSI_TAPE_MAJOR:
1801 info->DeviceType = FILE_DEVICE_TAPE;
1802 break;
1803 }
1804 #endif
1805 }
1806 else if (S_ISBLK( st.st_mode ))
1807 {
1808 info->DeviceType = FILE_DEVICE_DISK;
1809 }
1810 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1811 {
1812 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1813 }
1814 else /* regular file or directory */
1815 {
1816 #if defined(linux) && defined(HAVE_FSTATFS)
1817 struct statfs stfs;
1818
1819 /* check for floppy disk */
1820 if (major(st.st_dev) == FLOPPY_MAJOR)
1821 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1822
1823 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1824 switch (stfs.f_type)
1825 {
1826 case 0x9660: /* iso9660 */
1827 case 0x9fa1: /* supermount */
1828 case 0x15013346: /* udf */
1829 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1830 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1831 break;
1832 case 0x6969: /* nfs */
1833 case 0x517B: /* smbfs */
1834 case 0x564c: /* ncpfs */
1835 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1836 info->Characteristics |= FILE_REMOTE_DEVICE;
1837 break;
1838 case 0x01021994: /* tmpfs */
1839 case 0x28cd3d45: /* cramfs */
1840 case 0x1373: /* devfs */
1841 case 0x9fa0: /* procfs */
1842 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1843 break;
1844 default:
1845 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1846 break;
1847 }
1848 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
1849 struct statfs stfs;
1850
1851 if (fstatfs( fd, &stfs ) < 0)
1852 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1853 else
1854 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
1855 #elif defined(__NetBSD__)
1856 struct statvfs stfs;
1857
1858 if (fstatvfs( fd, &stfs) < 0)
1859 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1860 else
1861 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
1862 #elif defined(sun)
1863 /* Use dkio to work out device types */
1864 {
1865 # include <sys/dkio.h>
1866 # include <sys/vtoc.h>
1867 struct dk_cinfo dkinf;
1868 int retval = ioctl(fd, DKIOCINFO, &dkinf);
1869 if(retval==-1){
1870 WARN("Unable to get disk device type information - assuming a disk like device\n");
1871 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1872 }
1873 switch (dkinf.dki_ctype)
1874 {
1875 case DKC_CDROM:
1876 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1877 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1878 break;
1879 case DKC_NCRFLOPPY:
1880 case DKC_SMSFLOPPY:
1881 case DKC_INTEL82072:
1882 case DKC_INTEL82077:
1883 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1884 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1885 break;
1886 case DKC_MD:
1887 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1888 break;
1889 default:
1890 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1891 }
1892 }
1893 #else
1894 static int warned;
1895 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1896 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1897 #endif
1898 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1899 }
1900 return STATUS_SUCCESS;
1901 }
1902
1903
1904 /******************************************************************************
1905 * NtQueryVolumeInformationFile [NTDLL.@]
1906 * ZwQueryVolumeInformationFile [NTDLL.@]
1907 *
1908 * Get volume information for an open file handle.
1909 *
1910 * PARAMS
1911 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1912 * io [O] Receives information about the operation on return
1913 * buffer [O] Destination for volume information
1914 * length [I] Size of FsInformation
1915 * info_class [I] Type of volume information to set
1916 *
1917 * RETURNS
1918 * Success: 0. io and buffer are updated.
1919 * Failure: An NTSTATUS error code describing the error.
1920 */
1921 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1922 PVOID buffer, ULONG length,
1923 FS_INFORMATION_CLASS info_class )
1924 {
1925 int fd, needs_close;
1926 struct stat st;
1927
1928 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1929 return io->u.Status;
1930
1931 io->u.Status = STATUS_NOT_IMPLEMENTED;
1932 io->Information = 0;
1933
1934 switch( info_class )
1935 {
1936 case FileFsVolumeInformation:
1937 FIXME( "%p: volume info not supported\n", handle );
1938 break;
1939 case FileFsLabelInformation:
1940 FIXME( "%p: label info not supported\n", handle );
1941 break;
1942 case FileFsSizeInformation:
1943 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1944 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1945 else
1946 {
1947 FILE_FS_SIZE_INFORMATION *info = buffer;
1948
1949 if (fstat( fd, &st ) < 0)
1950 {
1951 io->u.Status = FILE_GetNtStatus();
1952 break;
1953 }
1954 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1955 {
1956 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1957 }
1958 else
1959 {
1960 /* Linux's fstatvfs is buggy */
1961 #if !defined(linux) || !defined(HAVE_FSTATFS)
1962 struct statvfs stfs;
1963
1964 if (fstatvfs( fd, &stfs ) < 0)
1965 {
1966 io->u.Status = FILE_GetNtStatus();
1967 break;
1968 }
1969 info->BytesPerSector = stfs.f_frsize;
1970 #else
1971 struct statfs stfs;
1972 if (fstatfs( fd, &stfs ) < 0)
1973 {
1974 io->u.Status = FILE_GetNtStatus();
1975 break;
1976 }
1977 info->BytesPerSector = stfs.f_bsize;
1978 #endif
1979 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
1980 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
1981 info->SectorsPerAllocationUnit = 1;
1982 io->Information = sizeof(*info);
1983 io->u.Status = STATUS_SUCCESS;
1984 }
1985 }
1986 break;
1987 case FileFsDeviceInformation:
1988 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1989 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1990 else
1991 {
1992 FILE_FS_DEVICE_INFORMATION *info = buffer;
1993
1994 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
1995 io->Information = sizeof(*info);
1996 }
1997 break;
1998 case FileFsAttributeInformation:
1999 FIXME( "%p: attribute info not supported\n", handle );
2000 break;
2001 case FileFsControlInformation:
2002 FIXME( "%p: control info not supported\n", handle );
2003 break;
2004 case FileFsFullSizeInformation:
2005 FIXME( "%p: full size info not supported\n", handle );
2006 break;
2007 case FileFsObjectIdInformation:
2008 FIXME( "%p: object id info not supported\n", handle );
2009 break;
2010 case FileFsMaximumInformation:
2011 FIXME( "%p: maximum info not supported\n", handle );
2012 break;
2013 default:
2014 io->u.Status = STATUS_INVALID_PARAMETER;
2015 break;
2016 }
2017 if (needs_close) close( fd );
2018 return io->u.Status;
2019 }
2020
2021
2022 /******************************************************************
2023 * NtFlushBuffersFile (NTDLL.@)
2024 *
2025 * Flush any buffered data on an open file handle.
2026 *
2027 * PARAMS
2028 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2029 * IoStatusBlock [O] Receives information about the operation on return
2030 *
2031 * RETURNS
2032 * Success: 0. IoStatusBlock is updated.
2033 * Failure: An NTSTATUS error code describing the error.
2034 */
2035 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2036 {
2037 NTSTATUS ret;
2038 HANDLE hEvent = NULL;
2039
2040 SERVER_START_REQ( flush_file )
2041 {
2042 req->handle = hFile;
2043 ret = wine_server_call( req );
2044 hEvent = reply->event;
2045 }
2046 SERVER_END_REQ;
2047 if (!ret && hEvent)
2048 {
2049 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2050 NtClose( hEvent );
2051 }
2052 return ret;
2053 }
2054
2055 /******************************************************************
2056 * NtLockFile (NTDLL.@)
2057 *
2058 *
2059 */
2060 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2061 PIO_APC_ROUTINE apc, void* apc_user,
2062 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2063 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2064 BOOLEAN exclusive )
2065 {
2066 NTSTATUS ret;
2067 HANDLE handle;
2068 BOOLEAN async;
2069
2070 if (apc || io_status || key)
2071 {
2072 FIXME("Unimplemented yet parameter\n");
2073 return STATUS_NOT_IMPLEMENTED;
2074 }
2075
2076 for (;;)
2077 {
2078 SERVER_START_REQ( lock_file )
2079 {
2080 req->handle = hFile;
2081 req->offset_low = offset->u.LowPart;
2082 req->offset_high = offset->u.HighPart;
2083 req->count_low = count->u.LowPart;
2084 req->count_high = count->u.HighPart;
2085 req->shared = !exclusive;
2086 req->wait = !dont_wait;
2087 ret = wine_server_call( req );
2088 handle = reply->handle;
2089 async = reply->overlapped;
2090 }
2091 SERVER_END_REQ;
2092 if (ret != STATUS_PENDING)
2093 {
2094 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2095 return ret;
2096 }
2097
2098 if (async)
2099 {
2100 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2101 if (handle) NtClose( handle );
2102 return STATUS_PENDING;
2103 }
2104 if (handle)
2105 {
2106 NtWaitForSingleObject( handle, FALSE, NULL );
2107 NtClose( handle );
2108 }
2109 else
2110 {
2111 LARGE_INTEGER time;
2112
2113 /* Unix lock conflict, sleep a bit and retry */
2114 time.QuadPart = 100 * (ULONGLONG)10000;
2115 time.QuadPart = -time.QuadPart;
2116 NtDelayExecution( FALSE, &time );
2117 }
2118 }
2119 }
2120
2121
2122 /******************************************************************
2123 * NtUnlockFile (NTDLL.@)
2124 *
2125 *
2126 */
2127 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2128 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2129 PULONG key )
2130 {
2131 NTSTATUS status;
2132
2133 TRACE( "%p %x%08x %x%08x\n",
2134 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2135
2136 if (io_status || key)
2137 {
2138 FIXME("Unimplemented yet parameter\n");
2139 return STATUS_NOT_IMPLEMENTED;
2140 }
2141
2142 SERVER_START_REQ( unlock_file )
2143 {
2144 req->handle = hFile;
2145 req->offset_low = offset->u.LowPart;
2146 req->offset_high = offset->u.HighPart;
2147 req->count_low = count->u.LowPart;
2148 req->count_high = count->u.HighPart;
2149 status = wine_server_call( req );
2150 }
2151 SERVER_END_REQ;
2152 return status;
2153 }
2154
2155 /******************************************************************
2156 * NtCreateNamedPipeFile (NTDLL.@)
2157 *
2158 *
2159 */
2160 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2161 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2162 ULONG sharing, ULONG dispo, ULONG options,
2163 ULONG pipe_type, ULONG read_mode,
2164 ULONG completion_mode, ULONG max_inst,
2165 ULONG inbound_quota, ULONG outbound_quota,
2166 PLARGE_INTEGER timeout)
2167 {
2168 NTSTATUS status;
2169
2170 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2171 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2172 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2173 outbound_quota, timeout);
2174
2175 /* assume we only get relative timeout */
2176 if (timeout->QuadPart > 0)
2177 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2178
2179 SERVER_START_REQ( create_named_pipe )
2180 {
2181 req->access = access;
2182 req->attributes = attr->Attributes;
2183 req->rootdir = attr->RootDirectory;
2184 req->options = options;
2185 req->flags =
2186 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2187 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2188 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2189 req->maxinstances = max_inst;
2190 req->outsize = outbound_quota;
2191 req->insize = inbound_quota;
2192 req->timeout = timeout->QuadPart;
2193 wine_server_add_data( req, attr->ObjectName->Buffer,
2194 attr->ObjectName->Length );
2195 status = wine_server_call( req );
2196 if (!status) *handle = reply->handle;
2197 }
2198 SERVER_END_REQ;
2199 return status;
2200 }
2201
2202 /******************************************************************
2203 * NtDeleteFile (NTDLL.@)
2204 *
2205 *
2206 */
2207 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2208 {
2209 NTSTATUS status;
2210 HANDLE hFile;
2211 IO_STATUS_BLOCK io;
2212
2213 TRACE("%p\n", ObjectAttributes);
2214 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2215 ObjectAttributes, &io, NULL, 0,
2216 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2217 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2218 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2219 return status;
2220 }
2221
2222 /******************************************************************
2223 * NtCancelIoFile (NTDLL.@)
2224 *
2225 *
2226 */
2227 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2228 {
2229 LARGE_INTEGER timeout;
2230
2231 TRACE("%p %p\n", hFile, io_status );
2232
2233 SERVER_START_REQ( cancel_async )
2234 {
2235 req->handle = hFile;
2236 wine_server_call( req );
2237 }
2238 SERVER_END_REQ;
2239 /* Let some APC be run, so that we can run the remaining APCs on hFile
2240 * either the cancelation of the pending one, but also the execution
2241 * of the queued APC, but not yet run. This is needed to ensure proper
2242 * clean-up of allocated data.
2243 */
2244 timeout.u.LowPart = timeout.u.HighPart = 0;
2245 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2246 }
2247
2248 /******************************************************************************
2249 * NtCreateMailslotFile [NTDLL.@]
2250 * ZwCreateMailslotFile [NTDLL.@]
2251 *
2252 * PARAMS
2253 * pHandle [O] pointer to receive the handle created
2254 * DesiredAccess [I] access mode (read, write, etc)
2255 * ObjectAttributes [I] fully qualified NT path of the mailslot
2256 * IoStatusBlock [O] receives completion status and other info
2257 * CreateOptions [I]
2258 * MailslotQuota [I]
2259 * MaxMessageSize [I]
2260 * TimeOut [I]
2261 *
2262 * RETURNS
2263 * An NT status code
2264 */
2265 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2266 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2267 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2268 PLARGE_INTEGER TimeOut)
2269 {
2270 LARGE_INTEGER timeout;
2271 NTSTATUS ret;
2272
2273 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2274 pHandle, DesiredAccess, attr, IoStatusBlock,
2275 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2276
2277 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2278 if (!attr) return STATUS_INVALID_PARAMETER;
2279 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2280
2281 /*
2282 * For a NULL TimeOut pointer set the default timeout value
2283 */
2284 if (!TimeOut)
2285 timeout.QuadPart = -1;
2286 else
2287 timeout.QuadPart = TimeOut->QuadPart;
2288
2289 SERVER_START_REQ( create_mailslot )
2290 {
2291 req->access = DesiredAccess;
2292 req->attributes = attr->Attributes;
2293 req->rootdir = attr->RootDirectory;
2294 req->max_msgsize = MaxMessageSize;
2295 req->read_timeout = timeout.QuadPart;
2296 wine_server_add_data( req, attr->ObjectName->Buffer,
2297 attr->ObjectName->Length );
2298 ret = wine_server_call( req );
2299 if( ret == STATUS_SUCCESS )
2300 *pHandle = reply->handle;
2301 }
2302 SERVER_END_REQ;
2303
2304 return ret;
2305 }
useful hacks and other patches not (yet) suitable for mainline