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msvcp90: Change basic_ios<wchar_t>::imbue to match char version.
[wine.git] / dlls / ntdll / file.c
blobe54b42a4324d64daf4a2114b11e4192d72fe92e7
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_LINUX_MAJOR_H
31 # include <linux/major.h>
32 #endif
33 #ifdef HAVE_SYS_STATVFS_H
34 # include <sys/statvfs.h>
35 #endif
36 #ifdef HAVE_SYS_PARAM_H
37 # include <sys/param.h>
38 #endif
39 #ifdef HAVE_SYS_TIME_H
40 # include <sys/time.h>
41 #endif
42 #ifdef HAVE_SYS_IOCTL_H
43 #include <sys/ioctl.h>
44 #endif
45 #ifdef HAVE_SYS_FILIO_H
46 # include <sys/filio.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 #ifdef HAVE_VALGRIND_MEMCHECK_H
70 # include <valgrind/memcheck.h>
71 #endif
72
73 #define NONAMELESSUNION
74 #define NONAMELESSSTRUCT
75 #include "ntstatus.h"
76 #define WIN32_NO_STATUS
77 #include "wine/unicode.h"
78 #include "wine/debug.h"
79 #include "wine/server.h"
80 #include "ntdll_misc.h"
81
82 #include "winternl.h"
83 #include "winioctl.h"
84 #include "ddk/ntddser.h"
85
86 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
87 WINE_DECLARE_DEBUG_CHANNEL(winediag);
88
89 mode_t FILE_umask = 0;
90
91 #define SECSPERDAY 86400
92 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
93
94
95 /**************************************************************************
96 * FILE_CreateFile (internal)
97 * Open a file.
98 *
99 * Parameter set fully identical with NtCreateFile
100 */
101 static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
102 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
103 ULONG attributes, ULONG sharing, ULONG disposition,
104 ULONG options, PVOID ea_buffer, ULONG ea_length )
105 {
106 ANSI_STRING unix_name;
107 int created = FALSE;
108
109 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
110 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
111 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
112 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
113 attributes, sharing, disposition, options, ea_buffer, ea_length );
114
115 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
116
117 if (alloc_size) FIXME( "alloc_size not supported\n" );
118
119 if (options & FILE_OPEN_BY_FILE_ID)
120 io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
121 else
122 io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
123
124 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
125 {
126 SERVER_START_REQ( open_file_object )
127 {
128 req->access = access;
129 req->attributes = attr->Attributes;
130 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
131 req->sharing = sharing;
132 req->options = options;
133 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
134 io->u.Status = wine_server_call( req );
135 *handle = wine_server_ptr_handle( reply->handle );
136 }
137 SERVER_END_REQ;
138 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
139 return io->u.Status;
140 }
141
142 if (io->u.Status == STATUS_NO_SUCH_FILE &&
143 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
144 {
145 created = TRUE;
146 io->u.Status = STATUS_SUCCESS;
147 }
148
149 if (io->u.Status == STATUS_SUCCESS)
150 {
151 struct security_descriptor *sd;
152 struct object_attributes objattr;
153
154 objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
155 objattr.name_len = 0;
156 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
157 if (io->u.Status != STATUS_SUCCESS)
158 {
159 RtlFreeAnsiString( &unix_name );
160 return io->u.Status;
161 }
162
163 SERVER_START_REQ( create_file )
164 {
165 req->access = access;
166 req->attributes = attr->Attributes;
167 req->sharing = sharing;
168 req->create = disposition;
169 req->options = options;
170 req->attrs = attributes;
171 wine_server_add_data( req, &objattr, sizeof(objattr) );
172 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
173 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
174 io->u.Status = wine_server_call( req );
175 *handle = wine_server_ptr_handle( reply->handle );
176 }
177 SERVER_END_REQ;
178 NTDLL_free_struct_sd( sd );
179 RtlFreeAnsiString( &unix_name );
180 }
181 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
182
183 if (io->u.Status == STATUS_SUCCESS)
184 {
185 if (created) io->Information = FILE_CREATED;
186 else switch(disposition)
187 {
188 case FILE_SUPERSEDE:
189 io->Information = FILE_SUPERSEDED;
190 break;
191 case FILE_CREATE:
192 io->Information = FILE_CREATED;
193 break;
194 case FILE_OPEN:
195 case FILE_OPEN_IF:
196 io->Information = FILE_OPENED;
197 break;
198 case FILE_OVERWRITE:
199 case FILE_OVERWRITE_IF:
200 io->Information = FILE_OVERWRITTEN;
201 break;
202 }
203 }
204 else if (io->u.Status == STATUS_TOO_MANY_OPENED_FILES)
205 {
206 static int once;
207 if (!once++) ERR_(winediag)( "Too many open files, ulimit -n probably needs to be increased\n" );
208 }
209
210 return io->u.Status;
211 }
212
213 /**************************************************************************
214 * NtOpenFile [NTDLL.@]
215 * ZwOpenFile [NTDLL.@]
216 *
217 * Open a file.
218 *
219 * PARAMS
220 * handle [O] Variable that receives the file handle on return
221 * access [I] Access desired by the caller to the file
222 * attr [I] Structure describing the file to be opened
223 * io [O] Receives details about the result of the operation
224 * sharing [I] Type of shared access the caller requires
225 * options [I] Options for the file open
226 *
227 * RETURNS
228 * Success: 0. FileHandle and IoStatusBlock are updated.
229 * Failure: An NTSTATUS error code describing the error.
230 */
231 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
232 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
233 ULONG sharing, ULONG options )
234 {
235 return FILE_CreateFile( handle, access, attr, io, NULL, 0,
236 sharing, FILE_OPEN, options, NULL, 0 );
237 }
238
239 /**************************************************************************
240 * NtCreateFile [NTDLL.@]
241 * ZwCreateFile [NTDLL.@]
242 *
243 * Either create a new file or directory, or open an existing file, device,
244 * directory or volume.
245 *
246 * PARAMS
247 * handle [O] Points to a variable which receives the file handle on return
248 * access [I] Desired access to the file
249 * attr [I] Structure describing the file
250 * io [O] Receives information about the operation on return
251 * alloc_size [I] Initial size of the file in bytes
252 * attributes [I] Attributes to create the file with
253 * sharing [I] Type of shared access the caller would like to the file
254 * disposition [I] Specifies what to do, depending on whether the file already exists
255 * options [I] Options for creating a new file
256 * ea_buffer [I] Pointer to an extended attributes buffer
257 * ea_length [I] Length of ea_buffer
258 *
259 * RETURNS
260 * Success: 0. handle and io are updated.
261 * Failure: An NTSTATUS error code describing the error.
262 */
263 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
264 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
265 ULONG attributes, ULONG sharing, ULONG disposition,
266 ULONG options, PVOID ea_buffer, ULONG ea_length )
267 {
268 return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
269 sharing, disposition, options, ea_buffer, ea_length );
270 }
271
272 /***********************************************************************
273 * Asynchronous file I/O *
274 */
275
276 struct async_fileio
277 {
278 HANDLE handle;
279 PIO_APC_ROUTINE apc;
280 void *apc_arg;
281 };
282
283 typedef struct
284 {
285 struct async_fileio io;
286 char* buffer;
287 unsigned int already;
288 unsigned int count;
289 BOOL avail_mode;
290 } async_fileio_read;
291
292 typedef struct
293 {
294 struct async_fileio io;
295 const char *buffer;
296 unsigned int already;
297 unsigned int count;
298 } async_fileio_write;
299
300
301 /* callback for file I/O user APC */
302 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
303 {
304 struct async_fileio *async = arg;
305 if (async->apc) async->apc( async->apc_arg, io, reserved );
306 RtlFreeHeap( GetProcessHeap(), 0, async );
307 }
308
309 /***********************************************************************
310 * FILE_GetNtStatus(void)
311 *
312 * Retrieve the Nt Status code from errno.
313 * Try to be consistent with FILE_SetDosError().
314 */
315 NTSTATUS FILE_GetNtStatus(void)
316 {
317 int err = errno;
318
319 TRACE( "errno = %d\n", errno );
320 switch (err)
321 {
322 case EAGAIN: return STATUS_SHARING_VIOLATION;
323 case EBADF: return STATUS_INVALID_HANDLE;
324 case EBUSY: return STATUS_DEVICE_BUSY;
325 case ENOSPC: return STATUS_DISK_FULL;
326 case EPERM:
327 case EROFS:
328 case EACCES: return STATUS_ACCESS_DENIED;
329 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
330 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
331 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
332 case EMFILE:
333 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
334 case EINVAL: return STATUS_INVALID_PARAMETER;
335 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
336 case EPIPE: return STATUS_PIPE_DISCONNECTED;
337 case EIO: return STATUS_DEVICE_NOT_READY;
338 #ifdef ENOMEDIUM
339 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
340 #endif
341 case ENXIO: return STATUS_NO_SUCH_DEVICE;
342 case ENOTTY:
343 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
344 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
345 case EFAULT: return STATUS_ACCESS_VIOLATION;
346 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
347 #ifdef ETIME /* Missing on FreeBSD */
348 case ETIME: return STATUS_IO_TIMEOUT;
349 #endif
350 case ENOEXEC: /* ?? */
351 case EEXIST: /* ?? */
352 default:
353 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
354 return STATUS_UNSUCCESSFUL;
355 }
356 }
357
358 /***********************************************************************
359 * FILE_AsyncReadService (INTERNAL)
360 */
361 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
362 {
363 async_fileio_read *fileio = user;
364 int fd, needs_close, result;
365
366 switch (status)
367 {
368 case STATUS_ALERTED: /* got some new data */
369 /* check to see if the data is ready (non-blocking) */
370 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
371 &needs_close, NULL, NULL )))
372 break;
373
374 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
375 if (needs_close) close( fd );
376
377 if (result < 0)
378 {
379 if (errno == EAGAIN || errno == EINTR)
380 status = STATUS_PENDING;
381 else /* check to see if the transfer is complete */
382 status = FILE_GetNtStatus();
383 }
384 else if (result == 0)
385 {
386 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
387 }
388 else
389 {
390 fileio->already += result;
391 if (fileio->already >= fileio->count || fileio->avail_mode)
392 status = STATUS_SUCCESS;
393 else
394 {
395 /* if we only have to read the available data, and none is available,
396 * simply cancel the request. If data was available, it has been read
397 * while in by previous call (NtDelayExecution)
398 */
399 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
400 }
401 }
402 break;
403
404 case STATUS_TIMEOUT:
405 case STATUS_IO_TIMEOUT:
406 if (fileio->already) status = STATUS_SUCCESS;
407 break;
408 }
409 if (status != STATUS_PENDING)
410 {
411 iosb->u.Status = status;
412 iosb->Information = fileio->already;
413 *apc = fileio_apc;
414 }
415 return status;
416 }
417
418 struct io_timeouts
419 {
420 int interval; /* max interval between two bytes */
421 int total; /* total timeout for the whole operation */
422 int end_time; /* absolute time of end of operation */
423 };
424
425 /* retrieve the I/O timeouts to use for a given handle */
426 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
427 struct io_timeouts *timeouts )
428 {
429 NTSTATUS status = STATUS_SUCCESS;
430
431 timeouts->interval = timeouts->total = -1;
432
433 switch(type)
434 {
435 case FD_TYPE_SERIAL:
436 {
437 /* GetCommTimeouts */
438 SERIAL_TIMEOUTS st;
439 IO_STATUS_BLOCK io;
440
441 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
442 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
443 if (status) break;
444
445 if (is_read)
446 {
447 if (st.ReadIntervalTimeout)
448 timeouts->interval = st.ReadIntervalTimeout;
449
450 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
451 {
452 timeouts->total = st.ReadTotalTimeoutConstant;
453 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
454 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
455 }
456 else if (st.ReadIntervalTimeout == MAXDWORD)
457 timeouts->interval = timeouts->total = 0;
458 }
459 else /* write */
460 {
461 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
462 {
463 timeouts->total = st.WriteTotalTimeoutConstant;
464 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
465 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
466 }
467 }
468 }
469 break;
470 case FD_TYPE_MAILSLOT:
471 if (is_read)
472 {
473 timeouts->interval = 0; /* return as soon as we got something */
474 SERVER_START_REQ( set_mailslot_info )
475 {
476 req->handle = wine_server_obj_handle( handle );
477 req->flags = 0;
478 if (!(status = wine_server_call( req )) &&
479 reply->read_timeout != TIMEOUT_INFINITE)
480 timeouts->total = reply->read_timeout / -10000;
481 }
482 SERVER_END_REQ;
483 }
484 break;
485 case FD_TYPE_SOCKET:
486 case FD_TYPE_PIPE:
487 case FD_TYPE_CHAR:
488 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
489 break;
490 default:
491 break;
492 }
493 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
494 return STATUS_SUCCESS;
495 }
496
497
498 /* retrieve the timeout for the next wait, in milliseconds */
499 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
500 {
501 int ret = -1;
502
503 if (timeouts->total != -1)
504 {
505 ret = timeouts->end_time - NtGetTickCount();
506 if (ret < 0) ret = 0;
507 }
508 if (already && timeouts->interval != -1)
509 {
510 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
511 }
512 return ret;
513 }
514
515
516 /* retrieve the avail_mode flag for async reads */
517 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
518 {
519 NTSTATUS status = STATUS_SUCCESS;
520
521 switch(type)
522 {
523 case FD_TYPE_SERIAL:
524 {
525 /* GetCommTimeouts */
526 SERIAL_TIMEOUTS st;
527 IO_STATUS_BLOCK io;
528
529 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
530 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
531 if (status) break;
532 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
533 !st.ReadTotalTimeoutConstant &&
534 st.ReadIntervalTimeout == MAXDWORD);
535 }
536 break;
537 case FD_TYPE_MAILSLOT:
538 case FD_TYPE_SOCKET:
539 case FD_TYPE_PIPE:
540 case FD_TYPE_CHAR:
541 *avail_mode = TRUE;
542 break;
543 default:
544 *avail_mode = FALSE;
545 break;
546 }
547 return status;
548 }
549
550
551 /******************************************************************************
552 * NtReadFile [NTDLL.@]
553 * ZwReadFile [NTDLL.@]
554 *
555 * Read from an open file handle.
556 *
557 * PARAMS
558 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
559 * Event [I] Event to signal upon completion (or NULL)
560 * ApcRoutine [I] Callback to call upon completion (or NULL)
561 * ApcContext [I] Context for ApcRoutine (or NULL)
562 * IoStatusBlock [O] Receives information about the operation on return
563 * Buffer [O] Destination for the data read
564 * Length [I] Size of Buffer
565 * ByteOffset [O] Destination for the new file pointer position (or NULL)
566 * Key [O] Function unknown (may be NULL)
567 *
568 * RETURNS
569 * Success: 0. IoStatusBlock is updated, and the Information member contains
570 * The number of bytes read.
571 * Failure: An NTSTATUS error code describing the error.
572 */
573 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
574 PIO_APC_ROUTINE apc, void* apc_user,
575 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
576 PLARGE_INTEGER offset, PULONG key)
577 {
578 int result, unix_handle, needs_close, timeout_init_done = 0;
579 unsigned int options;
580 struct io_timeouts timeouts;
581 NTSTATUS status;
582 ULONG total = 0;
583 enum server_fd_type type;
584 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
585 BOOL send_completion = FALSE;
586
587 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
588 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
589
590 if (!io_status) return STATUS_ACCESS_VIOLATION;
591
592 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
593 &needs_close, &type, &options );
594 if (status) return status;
595
596 if (!virtual_check_buffer_for_write( buffer, length ))
597 {
598 status = STATUS_ACCESS_VIOLATION;
599 goto done;
600 }
601
602 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
603 {
604 /* async I/O doesn't make sense on regular files */
605 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
606 {
607 if (errno != EINTR)
608 {
609 status = FILE_GetNtStatus();
610 goto done;
611 }
612 }
613 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
614 /* update file pointer position */
615 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
616
617 total = result;
618 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
619 goto done;
620 }
621
622 for (;;)
623 {
624 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
625 {
626 total += result;
627 if (!result || total == length)
628 {
629 if (total)
630 {
631 status = STATUS_SUCCESS;
632 goto done;
633 }
634 switch (type)
635 {
636 case FD_TYPE_FILE:
637 case FD_TYPE_CHAR:
638 status = STATUS_END_OF_FILE;
639 goto done;
640 case FD_TYPE_SERIAL:
641 break;
642 default:
643 status = STATUS_PIPE_BROKEN;
644 goto done;
645 }
646 }
647 else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
648 }
649 else if (errno != EAGAIN)
650 {
651 if (errno == EINTR) continue;
652 if (!total) status = FILE_GetNtStatus();
653 goto done;
654 }
655
656 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
657 {
658 async_fileio_read *fileio;
659 BOOL avail_mode;
660
661 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
662 goto err;
663 if (total && avail_mode)
664 {
665 status = STATUS_SUCCESS;
666 goto done;
667 }
668
669 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
670 {
671 status = STATUS_NO_MEMORY;
672 goto err;
673 }
674 fileio->io.handle = hFile;
675 fileio->io.apc = apc;
676 fileio->io.apc_arg = apc_user;
677 fileio->already = total;
678 fileio->count = length;
679 fileio->buffer = buffer;
680 fileio->avail_mode = avail_mode;
681
682 SERVER_START_REQ( register_async )
683 {
684 req->type = ASYNC_TYPE_READ;
685 req->count = length;
686 req->async.handle = wine_server_obj_handle( hFile );
687 req->async.event = wine_server_obj_handle( hEvent );
688 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
689 req->async.iosb = wine_server_client_ptr( io_status );
690 req->async.arg = wine_server_client_ptr( fileio );
691 req->async.cvalue = cvalue;
692 status = wine_server_call( req );
693 }
694 SERVER_END_REQ;
695
696 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
697 goto err;
698 }
699 else /* synchronous read, wait for the fd to become ready */
700 {
701 struct pollfd pfd;
702 int ret, timeout;
703
704 if (!timeout_init_done)
705 {
706 timeout_init_done = 1;
707 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
708 goto err;
709 if (hEvent) NtResetEvent( hEvent, NULL );
710 }
711 timeout = get_next_io_timeout( &timeouts, total );
712
713 pfd.fd = unix_handle;
714 pfd.events = POLLIN;
715
716 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
717 {
718 if (total) /* return with what we got so far */
719 status = STATUS_SUCCESS;
720 else
721 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
722 goto done;
723 }
724 if (ret == -1 && errno != EINTR)
725 {
726 status = FILE_GetNtStatus();
727 goto done;
728 }
729 /* will now restart the read */
730 }
731 }
732
733 done:
734 send_completion = cvalue != 0;
735
736 err:
737 if (needs_close) close( unix_handle );
738 if (status == STATUS_SUCCESS)
739 {
740 io_status->u.Status = status;
741 io_status->Information = total;
742 TRACE("= SUCCESS (%u)\n", total);
743 if (hEvent) NtSetEvent( hEvent, NULL );
744 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
745 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
746 }
747 else
748 {
749 TRACE("= 0x%08x\n", status);
750 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
751 }
752
753 if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
754
755 return status;
756 }
757
758
759 /******************************************************************************
760 * NtReadFileScatter [NTDLL.@]
761 * ZwReadFileScatter [NTDLL.@]
762 */
763 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
764 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
765 ULONG length, PLARGE_INTEGER offset, PULONG key )
766 {
767 size_t page_size = getpagesize();
768 int result, unix_handle, needs_close;
769 unsigned int options;
770 NTSTATUS status;
771 ULONG pos = 0, total = 0;
772 enum server_fd_type type;
773 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
774 BOOL send_completion = FALSE;
775
776 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
777 file, event, apc, apc_user, io_status, segments, length, offset, key);
778
779 if (length % page_size) return STATUS_INVALID_PARAMETER;
780 if (!io_status) return STATUS_ACCESS_VIOLATION;
781
782 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
783 &needs_close, &type, &options );
784 if (status) return status;
785
786 if ((type != FD_TYPE_FILE) ||
787 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
788 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
789 {
790 status = STATUS_INVALID_PARAMETER;
791 goto error;
792 }
793
794 while (length)
795 {
796 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
797 result = pread( unix_handle, (char *)segments->Buffer + pos,
798 page_size - pos, offset->QuadPart + total );
799 else
800 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
801
802 if (result == -1)
803 {
804 if (errno == EINTR) continue;
805 status = FILE_GetNtStatus();
806 break;
807 }
808 if (!result)
809 {
810 status = STATUS_END_OF_FILE;
811 break;
812 }
813 total += result;
814 length -= result;
815 if ((pos += result) == page_size)
816 {
817 pos = 0;
818 segments++;
819 }
820 }
821
822 send_completion = cvalue != 0;
823
824 error:
825 if (needs_close) close( unix_handle );
826 if (status == STATUS_SUCCESS)
827 {
828 io_status->u.Status = status;
829 io_status->Information = total;
830 TRACE("= SUCCESS (%u)\n", total);
831 if (event) NtSetEvent( event, NULL );
832 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
833 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
834 }
835 else
836 {
837 TRACE("= 0x%08x\n", status);
838 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
839 }
840
841 if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
842
843 return status;
844 }
845
846
847 /***********************************************************************
848 * FILE_AsyncWriteService (INTERNAL)
849 */
850 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
851 {
852 async_fileio_write *fileio = user;
853 int result, fd, needs_close;
854 enum server_fd_type type;
855
856 switch (status)
857 {
858 case STATUS_ALERTED:
859 /* write some data (non-blocking) */
860 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
861 &needs_close, &type, NULL )))
862 break;
863
864 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
865 result = send( fd, fileio->buffer, 0, 0 );
866 else
867 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
868
869 if (needs_close) close( fd );
870
871 if (result < 0)
872 {
873 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
874 else status = FILE_GetNtStatus();
875 }
876 else
877 {
878 fileio->already += result;
879 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
880 }
881 break;
882
883 case STATUS_TIMEOUT:
884 case STATUS_IO_TIMEOUT:
885 if (fileio->already) status = STATUS_SUCCESS;
886 break;
887 }
888 if (status != STATUS_PENDING)
889 {
890 iosb->u.Status = status;
891 iosb->Information = fileio->already;
892 *apc = fileio_apc;
893 }
894 return status;
895 }
896
897 /******************************************************************************
898 * NtWriteFile [NTDLL.@]
899 * ZwWriteFile [NTDLL.@]
900 *
901 * Write to an open file handle.
902 *
903 * PARAMS
904 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
905 * Event [I] Event to signal upon completion (or NULL)
906 * ApcRoutine [I] Callback to call upon completion (or NULL)
907 * ApcContext [I] Context for ApcRoutine (or NULL)
908 * IoStatusBlock [O] Receives information about the operation on return
909 * Buffer [I] Source for the data to write
910 * Length [I] Size of Buffer
911 * ByteOffset [O] Destination for the new file pointer position (or NULL)
912 * Key [O] Function unknown (may be NULL)
913 *
914 * RETURNS
915 * Success: 0. IoStatusBlock is updated, and the Information member contains
916 * The number of bytes written.
917 * Failure: An NTSTATUS error code describing the error.
918 */
919 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
920 PIO_APC_ROUTINE apc, void* apc_user,
921 PIO_STATUS_BLOCK io_status,
922 const void* buffer, ULONG length,
923 PLARGE_INTEGER offset, PULONG key)
924 {
925 int result, unix_handle, needs_close, timeout_init_done = 0;
926 unsigned int options;
927 struct io_timeouts timeouts;
928 NTSTATUS status;
929 ULONG total = 0;
930 enum server_fd_type type;
931 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
932 BOOL send_completion = FALSE;
933
934 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
935 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
936
937 if (!io_status) return STATUS_ACCESS_VIOLATION;
938
939 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
940 &needs_close, &type, &options );
941 if (status) return status;
942
943 if (!virtual_check_buffer_for_read( buffer, length ))
944 {
945 status = STATUS_INVALID_USER_BUFFER;
946 goto done;
947 }
948
949 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
950 {
951 /* async I/O doesn't make sense on regular files */
952 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
953 {
954 if (errno != EINTR)
955 {
956 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
957 else status = FILE_GetNtStatus();
958 goto done;
959 }
960 }
961
962 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
963 /* update file pointer position */
964 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
965
966 total = result;
967 status = STATUS_SUCCESS;
968 goto done;
969 }
970
971 for (;;)
972 {
973 /* zero-length writes on sockets may not work with plain write(2) */
974 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
975 result = send( unix_handle, buffer, 0, 0 );
976 else
977 result = write( unix_handle, (const char *)buffer + total, length - total );
978
979 if (result >= 0)
980 {
981 total += result;
982 if (total == length)
983 {
984 status = STATUS_SUCCESS;
985 goto done;
986 }
987 if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
988 }
989 else if (errno != EAGAIN)
990 {
991 if (errno == EINTR) continue;
992 if (!total)
993 {
994 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
995 else status = FILE_GetNtStatus();
996 }
997 goto done;
998 }
999
1000 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
1001 {
1002 async_fileio_write *fileio;
1003
1004 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
1005 {
1006 status = STATUS_NO_MEMORY;
1007 goto err;
1008 }
1009 fileio->io.handle = hFile;
1010 fileio->io.apc = apc;
1011 fileio->io.apc_arg = apc_user;
1012 fileio->already = total;
1013 fileio->count = length;
1014 fileio->buffer = buffer;
1015
1016 SERVER_START_REQ( register_async )
1017 {
1018 req->type = ASYNC_TYPE_WRITE;
1019 req->count = length;
1020 req->async.handle = wine_server_obj_handle( hFile );
1021 req->async.event = wine_server_obj_handle( hEvent );
1022 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
1023 req->async.iosb = wine_server_client_ptr( io_status );
1024 req->async.arg = wine_server_client_ptr( fileio );
1025 req->async.cvalue = cvalue;
1026 status = wine_server_call( req );
1027 }
1028 SERVER_END_REQ;
1029
1030 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1031 goto err;
1032 }
1033 else /* synchronous write, wait for the fd to become ready */
1034 {
1035 struct pollfd pfd;
1036 int ret, timeout;
1037
1038 if (!timeout_init_done)
1039 {
1040 timeout_init_done = 1;
1041 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1042 goto err;
1043 if (hEvent) NtResetEvent( hEvent, NULL );
1044 }
1045 timeout = get_next_io_timeout( &timeouts, total );
1046
1047 pfd.fd = unix_handle;
1048 pfd.events = POLLOUT;
1049
1050 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1051 {
1052 /* return with what we got so far */
1053 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1054 goto done;
1055 }
1056 if (ret == -1 && errno != EINTR)
1057 {
1058 status = FILE_GetNtStatus();
1059 goto done;
1060 }
1061 /* will now restart the write */
1062 }
1063 }
1064
1065 done:
1066 send_completion = cvalue != 0;
1067
1068 err:
1069 if (needs_close) close( unix_handle );
1070 if (status == STATUS_SUCCESS)
1071 {
1072 io_status->u.Status = status;
1073 io_status->Information = total;
1074 TRACE("= SUCCESS (%u)\n", total);
1075 if (hEvent) NtSetEvent( hEvent, NULL );
1076 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1077 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1078 }
1079 else
1080 {
1081 TRACE("= 0x%08x\n", status);
1082 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1083 }
1084
1085 if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
1086
1087 return status;
1088 }
1089
1090
1091 /******************************************************************************
1092 * NtWriteFileGather [NTDLL.@]
1093 * ZwWriteFileGather [NTDLL.@]
1094 */
1095 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1096 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1097 ULONG length, PLARGE_INTEGER offset, PULONG key )
1098 {
1099 size_t page_size = getpagesize();
1100 int result, unix_handle, needs_close;
1101 unsigned int options;
1102 NTSTATUS status;
1103 ULONG pos = 0, total = 0;
1104 enum server_fd_type type;
1105 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1106 BOOL send_completion = FALSE;
1107
1108 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1109 file, event, apc, apc_user, io_status, segments, length, offset, key);
1110
1111 if (length % page_size) return STATUS_INVALID_PARAMETER;
1112 if (!io_status) return STATUS_ACCESS_VIOLATION;
1113
1114 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1115 &needs_close, &type, &options );
1116 if (status) return status;
1117
1118 if ((type != FD_TYPE_FILE) ||
1119 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1120 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1121 {
1122 status = STATUS_INVALID_PARAMETER;
1123 goto error;
1124 }
1125
1126 while (length)
1127 {
1128 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1129 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1130 page_size - pos, offset->QuadPart + total );
1131 else
1132 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1133
1134 if (result == -1)
1135 {
1136 if (errno == EINTR) continue;
1137 if (errno == EFAULT)
1138 {
1139 status = STATUS_INVALID_USER_BUFFER;
1140 goto error;
1141 }
1142 status = FILE_GetNtStatus();
1143 break;
1144 }
1145 if (!result)
1146 {
1147 status = STATUS_DISK_FULL;
1148 break;
1149 }
1150 total += result;
1151 length -= result;
1152 if ((pos += result) == page_size)
1153 {
1154 pos = 0;
1155 segments++;
1156 }
1157 }
1158
1159 send_completion = cvalue != 0;
1160
1161 error:
1162 if (needs_close) close( unix_handle );
1163 if (status == STATUS_SUCCESS)
1164 {
1165 io_status->u.Status = status;
1166 io_status->Information = total;
1167 TRACE("= SUCCESS (%u)\n", total);
1168 if (event) NtSetEvent( event, NULL );
1169 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1170 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1171 }
1172 else
1173 {
1174 TRACE("= 0x%08x\n", status);
1175 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1176 }
1177
1178 if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
1179
1180 return status;
1181 }
1182
1183
1184 struct async_ioctl
1185 {
1186 HANDLE handle; /* handle to the device */
1187 HANDLE event; /* async event */
1188 void *buffer; /* buffer for output */
1189 ULONG size; /* size of buffer */
1190 PIO_APC_ROUTINE apc; /* user apc params */
1191 void *apc_arg;
1192 };
1193
1194 /* callback for ioctl user APC */
1195 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1196 {
1197 struct async_ioctl *async = arg;
1198 if (async->apc) async->apc( async->apc_arg, io, reserved );
1199 RtlFreeHeap( GetProcessHeap(), 0, async );
1200 }
1201
1202 /* callback for ioctl async I/O completion */
1203 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1204 {
1205 struct async_ioctl *async = arg;
1206
1207 if (status == STATUS_ALERTED)
1208 {
1209 SERVER_START_REQ( get_ioctl_result )
1210 {
1211 req->handle = wine_server_obj_handle( async->handle );
1212 req->user_arg = wine_server_client_ptr( async );
1213 wine_server_set_reply( req, async->buffer, async->size );
1214 status = wine_server_call( req );
1215 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1216 }
1217 SERVER_END_REQ;
1218 }
1219 if (status != STATUS_PENDING)
1220 {
1221 io->u.Status = status;
1222 if (async->apc || async->event) *apc = ioctl_apc;
1223 }
1224 return status;
1225 }
1226
1227 /* do a ioctl call through the server */
1228 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1229 PIO_APC_ROUTINE apc, PVOID apc_context,
1230 IO_STATUS_BLOCK *io, ULONG code,
1231 const void *in_buffer, ULONG in_size,
1232 PVOID out_buffer, ULONG out_size )
1233 {
1234 struct async_ioctl *async;
1235 NTSTATUS status;
1236 HANDLE wait_handle;
1237 ULONG options;
1238 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1239
1240 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1241 return STATUS_NO_MEMORY;
1242 async->handle = handle;
1243 async->event = event;
1244 async->buffer = out_buffer;
1245 async->size = out_size;
1246 async->apc = apc;
1247 async->apc_arg = apc_context;
1248
1249 SERVER_START_REQ( ioctl )
1250 {
1251 req->code = code;
1252 req->blocking = !apc && !event && !cvalue;
1253 req->async.handle = wine_server_obj_handle( handle );
1254 req->async.callback = wine_server_client_ptr( ioctl_completion );
1255 req->async.iosb = wine_server_client_ptr( io );
1256 req->async.arg = wine_server_client_ptr( async );
1257 req->async.event = wine_server_obj_handle( event );
1258 req->async.cvalue = cvalue;
1259 wine_server_add_data( req, in_buffer, in_size );
1260 wine_server_set_reply( req, out_buffer, out_size );
1261 status = wine_server_call( req );
1262 wait_handle = wine_server_ptr_handle( reply->wait );
1263 options = reply->options;
1264 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1265 }
1266 SERVER_END_REQ;
1267
1268 if (status == STATUS_NOT_SUPPORTED)
1269 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1270 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1271
1272 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1273
1274 if (wait_handle)
1275 {
1276 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1277 status = io->u.Status;
1278 NtClose( wait_handle );
1279 RtlFreeHeap( GetProcessHeap(), 0, async );
1280 }
1281
1282 return status;
1283 }
1284
1285 /* Tell Valgrind to ignore any holes in structs we will be passing to the
1286 * server */
1287 static void ignore_server_ioctl_struct_holes (ULONG code, const void *in_buffer,
1288 ULONG in_size)
1289 {
1290 #ifdef VALGRIND_MAKE_MEM_DEFINED
1291 # define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
1292 do { \
1293 if (FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
1294 if ((size) >= FIELD_OFFSET(t, f2)) \
1295 VALGRIND_MAKE_MEM_DEFINED( \
1296 (const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
1297 FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
1298 } while (0)
1299
1300 switch (code)
1301 {
1302 case FSCTL_PIPE_WAIT:
1303 IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
1304 break;
1305 }
1306 #endif
1307 }
1308
1309
1310 /**************************************************************************
1311 * NtDeviceIoControlFile [NTDLL.@]
1312 * ZwDeviceIoControlFile [NTDLL.@]
1313 *
1314 * Perform an I/O control operation on an open file handle.
1315 *
1316 * PARAMS
1317 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1318 * event [I] Event to signal upon completion (or NULL)
1319 * apc [I] Callback to call upon completion (or NULL)
1320 * apc_context [I] Context for ApcRoutine (or NULL)
1321 * io [O] Receives information about the operation on return
1322 * code [I] Control code for the operation to perform
1323 * in_buffer [I] Source for any input data required (or NULL)
1324 * in_size [I] Size of InputBuffer
1325 * out_buffer [O] Source for any output data returned (or NULL)
1326 * out_size [I] Size of OutputBuffer
1327 *
1328 * RETURNS
1329 * Success: 0. IoStatusBlock is updated.
1330 * Failure: An NTSTATUS error code describing the error.
1331 */
1332 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1333 PIO_APC_ROUTINE apc, PVOID apc_context,
1334 PIO_STATUS_BLOCK io, ULONG code,
1335 PVOID in_buffer, ULONG in_size,
1336 PVOID out_buffer, ULONG out_size)
1337 {
1338 ULONG device = (code >> 16);
1339 NTSTATUS status = STATUS_NOT_SUPPORTED;
1340
1341 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1342 handle, event, apc, apc_context, io, code,
1343 in_buffer, in_size, out_buffer, out_size);
1344
1345 switch(device)
1346 {
1347 case FILE_DEVICE_DISK:
1348 case FILE_DEVICE_CD_ROM:
1349 case FILE_DEVICE_DVD:
1350 case FILE_DEVICE_CONTROLLER:
1351 case FILE_DEVICE_MASS_STORAGE:
1352 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1353 in_buffer, in_size, out_buffer, out_size);
1354 break;
1355 case FILE_DEVICE_SERIAL_PORT:
1356 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1357 in_buffer, in_size, out_buffer, out_size);
1358 break;
1359 case FILE_DEVICE_TAPE:
1360 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1361 in_buffer, in_size, out_buffer, out_size);
1362 break;
1363 }
1364
1365 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1366 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1367 in_buffer, in_size, out_buffer, out_size );
1368
1369 if (status != STATUS_PENDING) io->u.Status = status;
1370 return status;
1371 }
1372
1373
1374 /**************************************************************************
1375 * NtFsControlFile [NTDLL.@]
1376 * ZwFsControlFile [NTDLL.@]
1377 *
1378 * Perform a file system control operation on an open file handle.
1379 *
1380 * PARAMS
1381 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1382 * event [I] Event to signal upon completion (or NULL)
1383 * apc [I] Callback to call upon completion (or NULL)
1384 * apc_context [I] Context for ApcRoutine (or NULL)
1385 * io [O] Receives information about the operation on return
1386 * code [I] Control code for the operation to perform
1387 * in_buffer [I] Source for any input data required (or NULL)
1388 * in_size [I] Size of InputBuffer
1389 * out_buffer [O] Source for any output data returned (or NULL)
1390 * out_size [I] Size of OutputBuffer
1391 *
1392 * RETURNS
1393 * Success: 0. IoStatusBlock is updated.
1394 * Failure: An NTSTATUS error code describing the error.
1395 */
1396 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1397 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1398 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1399 {
1400 NTSTATUS status;
1401
1402 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1403 handle, event, apc, apc_context, io, code,
1404 in_buffer, in_size, out_buffer, out_size);
1405
1406 if (!io) return STATUS_INVALID_PARAMETER;
1407
1408 ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
1409
1410 switch(code)
1411 {
1412 case FSCTL_DISMOUNT_VOLUME:
1413 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1414 in_buffer, in_size, out_buffer, out_size );
1415 if (!status) status = DIR_unmount_device( handle );
1416 break;
1417
1418 case FSCTL_PIPE_PEEK:
1419 {
1420 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1421 int avail = 0, fd, needs_close;
1422
1423 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1424 {
1425 status = STATUS_INFO_LENGTH_MISMATCH;
1426 break;
1427 }
1428
1429 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1430 break;
1431
1432 #ifdef FIONREAD
1433 if (ioctl( fd, FIONREAD, &avail ) != 0)
1434 {
1435 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1436 if (needs_close) close( fd );
1437 status = FILE_GetNtStatus();
1438 break;
1439 }
1440 #endif
1441 if (!avail) /* check for closed pipe */
1442 {
1443 struct pollfd pollfd;
1444 int ret;
1445
1446 pollfd.fd = fd;
1447 pollfd.events = POLLIN;
1448 pollfd.revents = 0;
1449 ret = poll( &pollfd, 1, 0 );
1450 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1451 {
1452 if (needs_close) close( fd );
1453 status = STATUS_PIPE_BROKEN;
1454 break;
1455 }
1456 }
1457 buffer->NamedPipeState = 0; /* FIXME */
1458 buffer->ReadDataAvailable = avail;
1459 buffer->NumberOfMessages = 0; /* FIXME */
1460 buffer->MessageLength = 0; /* FIXME */
1461 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1462 status = STATUS_SUCCESS;
1463 if (avail)
1464 {
1465 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1466 if (data_size)
1467 {
1468 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1469 if (res >= 0) io->Information += res;
1470 }
1471 }
1472 if (needs_close) close( fd );
1473 }
1474 break;
1475
1476 case FSCTL_PIPE_DISCONNECT:
1477 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1478 in_buffer, in_size, out_buffer, out_size );
1479 if (!status)
1480 {
1481 int fd = server_remove_fd_from_cache( handle );
1482 if (fd != -1) close( fd );
1483 }
1484 break;
1485
1486 case FSCTL_PIPE_IMPERSONATE:
1487 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1488 status = RtlImpersonateSelf( SecurityImpersonation );
1489 break;
1490
1491 case FSCTL_LOCK_VOLUME:
1492 case FSCTL_UNLOCK_VOLUME:
1493 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1494 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1495 status = STATUS_SUCCESS;
1496 break;
1497
1498 case FSCTL_GET_RETRIEVAL_POINTERS:
1499 {
1500 RETRIEVAL_POINTERS_BUFFER *buffer = (RETRIEVAL_POINTERS_BUFFER *)out_buffer;
1501
1502 FIXME("stub: FSCTL_GET_RETRIEVAL_POINTERS\n");
1503
1504 if (out_size >= sizeof(RETRIEVAL_POINTERS_BUFFER))
1505 {
1506 buffer->ExtentCount = 1;
1507 buffer->StartingVcn.QuadPart = 1;
1508 buffer->Extents[0].NextVcn.QuadPart = 0;
1509 buffer->Extents[0].Lcn.QuadPart = 0;
1510 io->Information = sizeof(RETRIEVAL_POINTERS_BUFFER);
1511 status = STATUS_SUCCESS;
1512 }
1513 else
1514 {
1515 io->Information = 0;
1516 status = STATUS_BUFFER_TOO_SMALL;
1517 }
1518 break;
1519 }
1520 case FSCTL_PIPE_LISTEN:
1521 case FSCTL_PIPE_WAIT:
1522 default:
1523 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1524 in_buffer, in_size, out_buffer, out_size );
1525 break;
1526 }
1527
1528 if (status != STATUS_PENDING) io->u.Status = status;
1529 return status;
1530 }
1531
1532 /******************************************************************************
1533 * NtSetVolumeInformationFile [NTDLL.@]
1534 * ZwSetVolumeInformationFile [NTDLL.@]
1535 *
1536 * Set volume information for an open file handle.
1537 *
1538 * PARAMS
1539 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1540 * IoStatusBlock [O] Receives information about the operation on return
1541 * FsInformation [I] Source for volume information
1542 * Length [I] Size of FsInformation
1543 * FsInformationClass [I] Type of volume information to set
1544 *
1545 * RETURNS
1546 * Success: 0. IoStatusBlock is updated.
1547 * Failure: An NTSTATUS error code describing the error.
1548 */
1549 NTSTATUS WINAPI NtSetVolumeInformationFile(
1550 IN HANDLE FileHandle,
1551 PIO_STATUS_BLOCK IoStatusBlock,
1552 PVOID FsInformation,
1553 ULONG Length,
1554 FS_INFORMATION_CLASS FsInformationClass)
1555 {
1556 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1557 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1558 return 0;
1559 }
1560
1561 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1562 LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1563 {
1564 RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1565 RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1566 RtlSecondsSince1970ToTime( st->st_atime, atime );
1567 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1568 mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1569 #endif
1570 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1571 ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1572 #endif
1573 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1574 atime->QuadPart += st->st_atim.tv_nsec / 100;
1575 #endif
1576 *creation = *mtime;
1577 }
1578
1579 /* fill in the file information that depends on the stat info */
1580 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1581 {
1582 switch (class)
1583 {
1584 case FileBasicInformation:
1585 {
1586 FILE_BASIC_INFORMATION *info = ptr;
1587
1588 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1589 &info->LastAccessTime, &info->CreationTime );
1590 if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1591 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1592 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1593 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1594 }
1595 break;
1596 case FileStandardInformation:
1597 {
1598 FILE_STANDARD_INFORMATION *info = ptr;
1599
1600 if ((info->Directory = S_ISDIR(st->st_mode)))
1601 {
1602 info->AllocationSize.QuadPart = 0;
1603 info->EndOfFile.QuadPart = 0;
1604 info->NumberOfLinks = 1;
1605 }
1606 else
1607 {
1608 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1609 info->EndOfFile.QuadPart = st->st_size;
1610 info->NumberOfLinks = st->st_nlink;
1611 }
1612 }
1613 break;
1614 case FileInternalInformation:
1615 {
1616 FILE_INTERNAL_INFORMATION *info = ptr;
1617 info->IndexNumber.QuadPart = st->st_ino;
1618 }
1619 break;
1620 case FileEndOfFileInformation:
1621 {
1622 FILE_END_OF_FILE_INFORMATION *info = ptr;
1623 info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1624 }
1625 break;
1626 case FileAllInformation:
1627 {
1628 FILE_ALL_INFORMATION *info = ptr;
1629 fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1630 fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1631 fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1632 }
1633 break;
1634 /* all directory structures start with the FileDirectoryInformation layout */
1635 case FileBothDirectoryInformation:
1636 case FileFullDirectoryInformation:
1637 case FileDirectoryInformation:
1638 {
1639 FILE_DIRECTORY_INFORMATION *info = ptr;
1640
1641 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1642 &info->LastAccessTime, &info->CreationTime );
1643 if (S_ISDIR(st->st_mode))
1644 {
1645 info->AllocationSize.QuadPart = 0;
1646 info->EndOfFile.QuadPart = 0;
1647 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1648 }
1649 else
1650 {
1651 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1652 info->EndOfFile.QuadPart = st->st_size;
1653 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1654 }
1655 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1656 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1657 }
1658 break;
1659 case FileIdFullDirectoryInformation:
1660 {
1661 FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1662 info->FileId.QuadPart = st->st_ino;
1663 fill_stat_info( st, info, FileDirectoryInformation );
1664 }
1665 break;
1666 case FileIdBothDirectoryInformation:
1667 {
1668 FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1669 info->FileId.QuadPart = st->st_ino;
1670 fill_stat_info( st, info, FileDirectoryInformation );
1671 }
1672 break;
1673
1674 default:
1675 return STATUS_INVALID_INFO_CLASS;
1676 }
1677 return STATUS_SUCCESS;
1678 }
1679
1680 NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1681 {
1682 data_size_t size = 1024;
1683 NTSTATUS ret;
1684 char *name;
1685
1686 for (;;)
1687 {
1688 name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1689 if (!name) return STATUS_NO_MEMORY;
1690 unix_name->MaximumLength = size + 1;
1691
1692 SERVER_START_REQ( get_handle_unix_name )
1693 {
1694 req->handle = wine_server_obj_handle( handle );
1695 wine_server_set_reply( req, name, size );
1696 ret = wine_server_call( req );
1697 size = reply->name_len;
1698 }
1699 SERVER_END_REQ;
1700
1701 if (!ret)
1702 {
1703 name[size] = 0;
1704 unix_name->Buffer = name;
1705 unix_name->Length = size;
1706 break;
1707 }
1708 RtlFreeHeap( GetProcessHeap(), 0, name );
1709 if (ret != STATUS_BUFFER_OVERFLOW) break;
1710 }
1711 return ret;
1712 }
1713
1714 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1715 {
1716 UNICODE_STRING nt_name;
1717 NTSTATUS status;
1718
1719 if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1720 {
1721 const WCHAR *ptr = nt_name.Buffer;
1722 const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1723
1724 /* Skip the volume mount point. */
1725 while (ptr != end && *ptr == '\\') ++ptr;
1726 while (ptr != end && *ptr != '\\') ++ptr;
1727 while (ptr != end && *ptr == '\\') ++ptr;
1728 while (ptr != end && *ptr != '\\') ++ptr;
1729
1730 info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1731 if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1732 else *name_len = info->FileNameLength;
1733
1734 memcpy( info->FileName, ptr, *name_len );
1735 RtlFreeUnicodeString( &nt_name );
1736 }
1737
1738 return status;
1739 }
1740
1741 /******************************************************************************
1742 * NtQueryInformationFile [NTDLL.@]
1743 * ZwQueryInformationFile [NTDLL.@]
1744 *
1745 * Get information about an open file handle.
1746 *
1747 * PARAMS
1748 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1749 * io [O] Receives information about the operation on return
1750 * ptr [O] Destination for file information
1751 * len [I] Size of FileInformation
1752 * class [I] Type of file information to get
1753 *
1754 * RETURNS
1755 * Success: 0. IoStatusBlock and FileInformation are updated.
1756 * Failure: An NTSTATUS error code describing the error.
1757 */
1758 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1759 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1760 {
1761 static const size_t info_sizes[] =
1762 {
1763 0,
1764 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1765 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1766 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1767 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1768 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1769 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1770 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1771 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1772 sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
1773 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1774 0, /* FileLinkInformation */
1775 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1776 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1777 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1778 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1779 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1780 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1781 sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
1782 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1783 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1784 0, /* FileAlternateNameInformation */
1785 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1786 0, /* FilePipeInformation */
1787 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1788 0, /* FilePipeRemoteInformation */
1789 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1790 0, /* FileMailslotSetInformation */
1791 0, /* FileCompressionInformation */
1792 0, /* FileObjectIdInformation */
1793 0, /* FileCompletionInformation */
1794 0, /* FileMoveClusterInformation */
1795 0, /* FileQuotaInformation */
1796 0, /* FileReparsePointInformation */
1797 0, /* FileNetworkOpenInformation */
1798 0, /* FileAttributeTagInformation */
1799 0, /* FileTrackingInformation */
1800 0, /* FileIdBothDirectoryInformation */
1801 0, /* FileIdFullDirectoryInformation */
1802 0, /* FileValidDataLengthInformation */
1803 0, /* FileShortNameInformation */
1804 0,
1805 0,
1806 0,
1807 0, /* FileSfioReserveInformation */
1808 0, /* FileSfioVolumeInformation */
1809 0, /* FileHardLinkInformation */
1810 0,
1811 0, /* FileNormalizedNameInformation */
1812 0,
1813 0, /* FileIdGlobalTxDirectoryInformation */
1814 0,
1815 0,
1816 0,
1817 0 /* FileStandardLinkInformation */
1818 };
1819
1820 struct stat st;
1821 int fd, needs_close = FALSE;
1822
1823 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1824
1825 io->Information = 0;
1826
1827 if (class <= 0 || class >= FileMaximumInformation)
1828 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1829 if (!info_sizes[class])
1830 {
1831 FIXME("Unsupported class (%d)\n", class);
1832 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1833 }
1834 if (len < info_sizes[class])
1835 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1836
1837 if (class != FilePipeLocalInformation)
1838 {
1839 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1840 return io->u.Status;
1841 }
1842
1843 switch (class)
1844 {
1845 case FileBasicInformation:
1846 if (fstat( fd, &st ) == -1)
1847 io->u.Status = FILE_GetNtStatus();
1848 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1849 io->u.Status = STATUS_INVALID_INFO_CLASS;
1850 else
1851 fill_stat_info( &st, ptr, class );
1852 break;
1853 case FileStandardInformation:
1854 {
1855 FILE_STANDARD_INFORMATION *info = ptr;
1856
1857 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1858 else
1859 {
1860 fill_stat_info( &st, info, class );
1861 info->DeletePending = FALSE; /* FIXME */
1862 }
1863 }
1864 break;
1865 case FilePositionInformation:
1866 {
1867 FILE_POSITION_INFORMATION *info = ptr;
1868 off_t res = lseek( fd, 0, SEEK_CUR );
1869 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1870 else info->CurrentByteOffset.QuadPart = res;
1871 }
1872 break;
1873 case FileInternalInformation:
1874 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1875 else fill_stat_info( &st, ptr, class );
1876 break;
1877 case FileEaInformation:
1878 {
1879 FILE_EA_INFORMATION *info = ptr;
1880 info->EaSize = 0;
1881 }
1882 break;
1883 case FileEndOfFileInformation:
1884 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1885 else fill_stat_info( &st, ptr, class );
1886 break;
1887 case FileAllInformation:
1888 {
1889 FILE_ALL_INFORMATION *info = ptr;
1890 ANSI_STRING unix_name;
1891
1892 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1893 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1894 io->u.Status = STATUS_INVALID_INFO_CLASS;
1895 else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1896 {
1897 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1898
1899 fill_stat_info( &st, info, FileAllInformation );
1900 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1901 info->EaInformation.EaSize = 0;
1902 info->AccessInformation.AccessFlags = 0; /* FIXME */
1903 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1904 info->ModeInformation.Mode = 0; /* FIXME */
1905 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1906
1907 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1908 RtlFreeAnsiString( &unix_name );
1909 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1910 }
1911 }
1912 break;
1913 case FileMailslotQueryInformation:
1914 {
1915 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1916
1917 SERVER_START_REQ( set_mailslot_info )
1918 {
1919 req->handle = wine_server_obj_handle( hFile );
1920 req->flags = 0;
1921 io->u.Status = wine_server_call( req );
1922 if( io->u.Status == STATUS_SUCCESS )
1923 {
1924 info->MaximumMessageSize = reply->max_msgsize;
1925 info->MailslotQuota = 0;
1926 info->NextMessageSize = 0;
1927 info->MessagesAvailable = 0;
1928 info->ReadTimeout.QuadPart = reply->read_timeout;
1929 }
1930 }
1931 SERVER_END_REQ;
1932 if (!io->u.Status)
1933 {
1934 char *tmpbuf;
1935 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1936 if (size > 0x10000) size = 0x10000;
1937 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1938 {
1939 int fd, needs_close;
1940 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1941 {
1942 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1943 info->MessagesAvailable = (res > 0);
1944 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1945 if (needs_close) close( fd );
1946 }
1947 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1948 }
1949 }
1950 }
1951 break;
1952 case FilePipeLocalInformation:
1953 {
1954 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1955
1956 SERVER_START_REQ( get_named_pipe_info )
1957 {
1958 req->handle = wine_server_obj_handle( hFile );
1959 if (!(io->u.Status = wine_server_call( req )))
1960 {
1961 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1962 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1963 switch (reply->sharing)
1964 {
1965 case FILE_SHARE_READ:
1966 pli->NamedPipeConfiguration = FILE_PIPE_OUTBOUND;
1967 break;
1968 case FILE_SHARE_WRITE:
1969 pli->NamedPipeConfiguration = FILE_PIPE_INBOUND;
1970 break;
1971 case FILE_SHARE_READ | FILE_SHARE_WRITE:
1972 pli->NamedPipeConfiguration = FILE_PIPE_FULL_DUPLEX;
1973 break;
1974 }
1975 pli->MaximumInstances = reply->maxinstances;
1976 pli->CurrentInstances = reply->instances;
1977 pli->InboundQuota = reply->insize;
1978 pli->ReadDataAvailable = 0; /* FIXME */
1979 pli->OutboundQuota = reply->outsize;
1980 pli->WriteQuotaAvailable = 0; /* FIXME */
1981 pli->NamedPipeState = 0; /* FIXME */
1982 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1983 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1984 }
1985 }
1986 SERVER_END_REQ;
1987 }
1988 break;
1989 case FileNameInformation:
1990 {
1991 FILE_NAME_INFORMATION *info = ptr;
1992 ANSI_STRING unix_name;
1993
1994 if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1995 {
1996 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
1997 io->u.Status = fill_name_info( &unix_name, info, &name_len );
1998 RtlFreeAnsiString( &unix_name );
1999 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
2000 }
2001 }
2002 break;
2003 default:
2004 FIXME("Unsupported class (%d)\n", class);
2005 io->u.Status = STATUS_NOT_IMPLEMENTED;
2006 break;
2007 }
2008 if (needs_close) close( fd );
2009 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
2010 return io->u.Status;
2011 }
2012
2013 /******************************************************************************
2014 * NtSetInformationFile [NTDLL.@]
2015 * ZwSetInformationFile [NTDLL.@]
2016 *
2017 * Set information about an open file handle.
2018 *
2019 * PARAMS
2020 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2021 * io [O] Receives information about the operation on return
2022 * ptr [I] Source for file information
2023 * len [I] Size of FileInformation
2024 * class [I] Type of file information to set
2025 *
2026 * RETURNS
2027 * Success: 0. io is updated.
2028 * Failure: An NTSTATUS error code describing the error.
2029 */
2030 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
2031 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
2032 {
2033 int fd, needs_close;
2034
2035 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
2036
2037 io->u.Status = STATUS_SUCCESS;
2038 switch (class)
2039 {
2040 case FileBasicInformation:
2041 if (len >= sizeof(FILE_BASIC_INFORMATION))
2042 {
2043 struct stat st;
2044 const FILE_BASIC_INFORMATION *info = ptr;
2045
2046 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2047 return io->u.Status;
2048
2049 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
2050 {
2051 struct timeval tv[2];
2052
2053 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
2054 {
2055
2056 tv[0].tv_sec = tv[0].tv_usec = 0;
2057 tv[1].tv_sec = tv[1].tv_usec = 0;
2058 if (!fstat( fd, &st ))
2059 {
2060 tv[0].tv_sec = st.st_atime;
2061 tv[1].tv_sec = st.st_mtime;
2062 }
2063 }
2064 if (info->LastAccessTime.QuadPart)
2065 {
2066 ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
2067 UINT nsec = info->LastAccessTime.QuadPart % 10000000;
2068 tv[0].tv_sec = sec - SECS_1601_TO_1970;
2069 tv[0].tv_usec = nsec / 10;
2070 }
2071 if (info->LastWriteTime.QuadPart)
2072 {
2073 ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
2074 UINT nsec = info->LastWriteTime.QuadPart % 10000000;
2075 tv[1].tv_sec = sec - SECS_1601_TO_1970;
2076 tv[1].tv_usec = nsec / 10;
2077 }
2078 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
2079 }
2080
2081 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
2082 {
2083 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2084 else
2085 {
2086 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2087 {
2088 if (S_ISDIR( st.st_mode))
2089 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2090 else
2091 st.st_mode &= ~0222; /* clear write permission bits */
2092 }
2093 else
2094 {
2095 /* add write permission only where we already have read permission */
2096 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2097 }
2098 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2099 }
2100 }
2101
2102 if (needs_close) close( fd );
2103 }
2104 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2105 break;
2106
2107 case FilePositionInformation:
2108 if (len >= sizeof(FILE_POSITION_INFORMATION))
2109 {
2110 const FILE_POSITION_INFORMATION *info = ptr;
2111
2112 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2113 return io->u.Status;
2114
2115 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2116 io->u.Status = FILE_GetNtStatus();
2117
2118 if (needs_close) close( fd );
2119 }
2120 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2121 break;
2122
2123 case FileEndOfFileInformation:
2124 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2125 {
2126 struct stat st;
2127 const FILE_END_OF_FILE_INFORMATION *info = ptr;
2128
2129 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2130 return io->u.Status;
2131
2132 /* first try normal truncate */
2133 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2134
2135 /* now check for the need to extend the file */
2136 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2137 {
2138 static const char zero;
2139
2140 /* extend the file one byte beyond the requested size and then truncate it */
2141 /* this should work around ftruncate implementations that can't extend files */
2142 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2143 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2144 }
2145 io->u.Status = FILE_GetNtStatus();
2146
2147 if (needs_close) close( fd );
2148 }
2149 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2150 break;
2151
2152 case FileMailslotSetInformation:
2153 {
2154 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2155
2156 SERVER_START_REQ( set_mailslot_info )
2157 {
2158 req->handle = wine_server_obj_handle( handle );
2159 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2160 req->read_timeout = info->ReadTimeout.QuadPart;
2161 io->u.Status = wine_server_call( req );
2162 }
2163 SERVER_END_REQ;
2164 }
2165 break;
2166
2167 case FileCompletionInformation:
2168 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2169 {
2170 FILE_COMPLETION_INFORMATION *info = ptr;
2171
2172 SERVER_START_REQ( set_completion_info )
2173 {
2174 req->handle = wine_server_obj_handle( handle );
2175 req->chandle = wine_server_obj_handle( info->CompletionPort );
2176 req->ckey = info->CompletionKey;
2177 io->u.Status = wine_server_call( req );
2178 }
2179 SERVER_END_REQ;
2180 } else
2181 io->u.Status = STATUS_INVALID_PARAMETER_3;
2182 break;
2183
2184 case FileAllInformation:
2185 io->u.Status = STATUS_INVALID_INFO_CLASS;
2186 break;
2187
2188 default:
2189 FIXME("Unsupported class (%d)\n", class);
2190 io->u.Status = STATUS_NOT_IMPLEMENTED;
2191 break;
2192 }
2193 io->Information = 0;
2194 return io->u.Status;
2195 }
2196
2197
2198 /******************************************************************************
2199 * NtQueryFullAttributesFile (NTDLL.@)
2200 */
2201 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2202 FILE_NETWORK_OPEN_INFORMATION *info )
2203 {
2204 ANSI_STRING unix_name;
2205 NTSTATUS status;
2206
2207 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2208 {
2209 struct stat st;
2210
2211 if (stat( unix_name.Buffer, &st ) == -1)
2212 status = FILE_GetNtStatus();
2213 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2214 status = STATUS_INVALID_INFO_CLASS;
2215 else
2216 {
2217 FILE_BASIC_INFORMATION basic;
2218 FILE_STANDARD_INFORMATION std;
2219
2220 fill_stat_info( &st, &basic, FileBasicInformation );
2221 fill_stat_info( &st, &std, FileStandardInformation );
2222
2223 info->CreationTime = basic.CreationTime;
2224 info->LastAccessTime = basic.LastAccessTime;
2225 info->LastWriteTime = basic.LastWriteTime;
2226 info->ChangeTime = basic.ChangeTime;
2227 info->AllocationSize = std.AllocationSize;
2228 info->EndOfFile = std.EndOfFile;
2229 info->FileAttributes = basic.FileAttributes;
2230 if (DIR_is_hidden_file( attr->ObjectName ))
2231 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2232 }
2233 RtlFreeAnsiString( &unix_name );
2234 }
2235 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2236 return status;
2237 }
2238
2239
2240 /******************************************************************************
2241 * NtQueryAttributesFile (NTDLL.@)
2242 * ZwQueryAttributesFile (NTDLL.@)
2243 */
2244 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2245 {
2246 ANSI_STRING unix_name;
2247 NTSTATUS status;
2248
2249 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2250 {
2251 struct stat st;
2252
2253 if (stat( unix_name.Buffer, &st ) == -1)
2254 status = FILE_GetNtStatus();
2255 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2256 status = STATUS_INVALID_INFO_CLASS;
2257 else
2258 {
2259 status = fill_stat_info( &st, info, FileBasicInformation );
2260 if (DIR_is_hidden_file( attr->ObjectName ))
2261 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2262 }
2263 RtlFreeAnsiString( &unix_name );
2264 }
2265 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2266 return status;
2267 }
2268
2269
2270 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2271 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2272 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2273 unsigned int flags )
2274 {
2275 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2276 {
2277 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2278 /* Don't assume read-only, let the mount options set it below */
2279 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2280 }
2281 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2282 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2283 {
2284 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2285 info->Characteristics |= FILE_REMOTE_DEVICE;
2286 }
2287 else if (!strcmp("procfs", fstypename))
2288 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2289 else
2290 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2291
2292 if (flags & MNT_RDONLY)
2293 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2294
2295 if (!(flags & MNT_LOCAL))
2296 {
2297 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2298 info->Characteristics |= FILE_REMOTE_DEVICE;
2299 }
2300 }
2301 #endif
2302
2303 static inline int is_device_placeholder( int fd )
2304 {
2305 static const char wine_placeholder[] = "Wine device placeholder";
2306 char buffer[sizeof(wine_placeholder)-1];
2307
2308 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2309 return 0;
2310 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2311 }
2312
2313 /******************************************************************************
2314 * get_device_info
2315 *
2316 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2317 */
2318 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2319 {
2320 struct stat st;
2321
2322 info->Characteristics = 0;
2323 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2324 if (S_ISCHR( st.st_mode ))
2325 {
2326 info->DeviceType = FILE_DEVICE_UNKNOWN;
2327 #ifdef linux
2328 switch(major(st.st_rdev))
2329 {
2330 case MEM_MAJOR:
2331 info->DeviceType = FILE_DEVICE_NULL;
2332 break;
2333 case TTY_MAJOR:
2334 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2335 break;
2336 case LP_MAJOR:
2337 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2338 break;
2339 case SCSI_TAPE_MAJOR:
2340 info->DeviceType = FILE_DEVICE_TAPE;
2341 break;
2342 }
2343 #endif
2344 }
2345 else if (S_ISBLK( st.st_mode ))
2346 {
2347 info->DeviceType = FILE_DEVICE_DISK;
2348 }
2349 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2350 {
2351 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2352 }
2353 else if (is_device_placeholder( fd ))
2354 {
2355 info->DeviceType = FILE_DEVICE_DISK;
2356 }
2357 else /* regular file or directory */
2358 {
2359 #if defined(linux) && defined(HAVE_FSTATFS)
2360 struct statfs stfs;
2361
2362 /* check for floppy disk */
2363 if (major(st.st_dev) == FLOPPY_MAJOR)
2364 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2365
2366 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2367 switch (stfs.f_type)
2368 {
2369 case 0x9660: /* iso9660 */
2370 case 0x9fa1: /* supermount */
2371 case 0x15013346: /* udf */
2372 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2373 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2374 break;
2375 case 0x6969: /* nfs */
2376 case 0x517B: /* smbfs */
2377 case 0x564c: /* ncpfs */
2378 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2379 info->Characteristics |= FILE_REMOTE_DEVICE;
2380 break;
2381 case 0x01021994: /* tmpfs */
2382 case 0x28cd3d45: /* cramfs */
2383 case 0x1373: /* devfs */
2384 case 0x9fa0: /* procfs */
2385 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2386 break;
2387 default:
2388 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2389 break;
2390 }
2391 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2392 struct statfs stfs;
2393
2394 if (fstatfs( fd, &stfs ) < 0)
2395 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2396 else
2397 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2398 #elif defined(__NetBSD__)
2399 struct statvfs stfs;
2400
2401 if (fstatvfs( fd, &stfs) < 0)
2402 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2403 else
2404 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2405 #elif defined(sun)
2406 /* Use dkio to work out device types */
2407 {
2408 # include <sys/dkio.h>
2409 # include <sys/vtoc.h>
2410 struct dk_cinfo dkinf;
2411 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2412 if(retval==-1){
2413 WARN("Unable to get disk device type information - assuming a disk like device\n");
2414 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2415 }
2416 switch (dkinf.dki_ctype)
2417 {
2418 case DKC_CDROM:
2419 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2420 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2421 break;
2422 case DKC_NCRFLOPPY:
2423 case DKC_SMSFLOPPY:
2424 case DKC_INTEL82072:
2425 case DKC_INTEL82077:
2426 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2427 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2428 break;
2429 case DKC_MD:
2430 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2431 break;
2432 default:
2433 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2434 }
2435 }
2436 #else
2437 static int warned;
2438 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2439 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2440 #endif
2441 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2442 }
2443 return STATUS_SUCCESS;
2444 }
2445
2446
2447 /******************************************************************************
2448 * NtQueryVolumeInformationFile [NTDLL.@]
2449 * ZwQueryVolumeInformationFile [NTDLL.@]
2450 *
2451 * Get volume information for an open file handle.
2452 *
2453 * PARAMS
2454 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2455 * io [O] Receives information about the operation on return
2456 * buffer [O] Destination for volume information
2457 * length [I] Size of FsInformation
2458 * info_class [I] Type of volume information to set
2459 *
2460 * RETURNS
2461 * Success: 0. io and buffer are updated.
2462 * Failure: An NTSTATUS error code describing the error.
2463 */
2464 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2465 PVOID buffer, ULONG length,
2466 FS_INFORMATION_CLASS info_class )
2467 {
2468 int fd, needs_close;
2469 struct stat st;
2470 static int once;
2471
2472 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2473 return io->u.Status;
2474
2475 io->u.Status = STATUS_NOT_IMPLEMENTED;
2476 io->Information = 0;
2477
2478 switch( info_class )
2479 {
2480 case FileFsVolumeInformation:
2481 if (!once++) FIXME( "%p: volume info not supported\n", handle );
2482 break;
2483 case FileFsLabelInformation:
2484 FIXME( "%p: label info not supported\n", handle );
2485 break;
2486 case FileFsSizeInformation:
2487 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2488 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2489 else
2490 {
2491 FILE_FS_SIZE_INFORMATION *info = buffer;
2492
2493 if (fstat( fd, &st ) < 0)
2494 {
2495 io->u.Status = FILE_GetNtStatus();
2496 break;
2497 }
2498 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2499 {
2500 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2501 }
2502 else
2503 {
2504 ULONGLONG bsize;
2505 /* Linux's fstatvfs is buggy */
2506 #if !defined(linux) || !defined(HAVE_FSTATFS)
2507 struct statvfs stfs;
2508
2509 if (fstatvfs( fd, &stfs ) < 0)
2510 {
2511 io->u.Status = FILE_GetNtStatus();
2512 break;
2513 }
2514 bsize = stfs.f_frsize;
2515 #else
2516 struct statfs stfs;
2517 if (fstatfs( fd, &stfs ) < 0)
2518 {
2519 io->u.Status = FILE_GetNtStatus();
2520 break;
2521 }
2522 bsize = stfs.f_bsize;
2523 #endif
2524 if (bsize == 2048) /* assume CD-ROM */
2525 {
2526 info->BytesPerSector = 2048;
2527 info->SectorsPerAllocationUnit = 1;
2528 }
2529 else
2530 {
2531 info->BytesPerSector = 512;
2532 info->SectorsPerAllocationUnit = 8;
2533 }
2534 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2535 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2536 io->Information = sizeof(*info);
2537 io->u.Status = STATUS_SUCCESS;
2538 }
2539 }
2540 break;
2541 case FileFsDeviceInformation:
2542 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2543 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2544 else
2545 {
2546 FILE_FS_DEVICE_INFORMATION *info = buffer;
2547
2548 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2549 io->Information = sizeof(*info);
2550 }
2551 break;
2552 case FileFsAttributeInformation:
2553 FIXME( "%p: attribute info not supported\n", handle );
2554 break;
2555 case FileFsControlInformation:
2556 FIXME( "%p: control info not supported\n", handle );
2557 break;
2558 case FileFsFullSizeInformation:
2559 FIXME( "%p: full size info not supported\n", handle );
2560 break;
2561 case FileFsObjectIdInformation:
2562 FIXME( "%p: object id info not supported\n", handle );
2563 break;
2564 case FileFsMaximumInformation:
2565 FIXME( "%p: maximum info not supported\n", handle );
2566 break;
2567 default:
2568 io->u.Status = STATUS_INVALID_PARAMETER;
2569 break;
2570 }
2571 if (needs_close) close( fd );
2572 return io->u.Status;
2573 }
2574
2575
2576 /******************************************************************
2577 * NtQueryEaFile (NTDLL.@)
2578 *
2579 * Read extended attributes from NTFS files.
2580 *
2581 * PARAMS
2582 * hFile [I] File handle, must be opened with FILE_READ_EA access
2583 * iosb [O] Receives information about the operation on return
2584 * buffer [O] Output buffer
2585 * length [I] Length of output buffer
2586 * single_entry [I] Only read and return one entry
2587 * ea_list [I] Optional list with names of EAs to return
2588 * ea_list_len [I] Length of ea_list in bytes
2589 * ea_index [I] Optional pointer to 1-based index of attribute to return
2590 * restart [I] restart EA scan
2591 *
2592 * RETURNS
2593 * Success: 0. Atrributes read into buffer
2594 * Failure: An NTSTATUS error code describing the error.
2595 */
2596 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2597 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2598 PULONG ea_index, BOOLEAN restart )
2599 {
2600 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2601 hFile, iosb, buffer, length, single_entry, ea_list,
2602 ea_list_len, ea_index, restart);
2603 return STATUS_ACCESS_DENIED;
2604 }
2605
2606
2607 /******************************************************************
2608 * NtSetEaFile (NTDLL.@)
2609 *
2610 * Update extended attributes for NTFS files.
2611 *
2612 * PARAMS
2613 * hFile [I] File handle, must be opened with FILE_READ_EA access
2614 * iosb [O] Receives information about the operation on return
2615 * buffer [I] Buffer with EA information
2616 * length [I] Length of buffer
2617 *
2618 * RETURNS
2619 * Success: 0. Attributes are updated
2620 * Failure: An NTSTATUS error code describing the error.
2621 */
2622 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2623 {
2624 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2625 return STATUS_ACCESS_DENIED;
2626 }
2627
2628
2629 /******************************************************************
2630 * NtFlushBuffersFile (NTDLL.@)
2631 *
2632 * Flush any buffered data on an open file handle.
2633 *
2634 * PARAMS
2635 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2636 * IoStatusBlock [O] Receives information about the operation on return
2637 *
2638 * RETURNS
2639 * Success: 0. IoStatusBlock is updated.
2640 * Failure: An NTSTATUS error code describing the error.
2641 */
2642 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2643 {
2644 NTSTATUS ret;
2645 HANDLE hEvent = NULL;
2646
2647 SERVER_START_REQ( flush_file )
2648 {
2649 req->handle = wine_server_obj_handle( hFile );
2650 ret = wine_server_call( req );
2651 hEvent = wine_server_ptr_handle( reply->event );
2652 }
2653 SERVER_END_REQ;
2654 if (!ret && hEvent)
2655 {
2656 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2657 NtClose( hEvent );
2658 }
2659 return ret;
2660 }
2661
2662 /******************************************************************
2663 * NtLockFile (NTDLL.@)
2664 *
2665 *
2666 */
2667 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2668 PIO_APC_ROUTINE apc, void* apc_user,
2669 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2670 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2671 BOOLEAN exclusive )
2672 {
2673 NTSTATUS ret;
2674 HANDLE handle;
2675 BOOLEAN async;
2676 static BOOLEAN warn = TRUE;
2677
2678 if (apc || io_status || key)
2679 {
2680 FIXME("Unimplemented yet parameter\n");
2681 return STATUS_NOT_IMPLEMENTED;
2682 }
2683
2684 if (apc_user && warn)
2685 {
2686 FIXME("I/O completion on lock not implemented yet\n");
2687 warn = FALSE;
2688 }
2689
2690 for (;;)
2691 {
2692 SERVER_START_REQ( lock_file )
2693 {
2694 req->handle = wine_server_obj_handle( hFile );
2695 req->offset = offset->QuadPart;
2696 req->count = count->QuadPart;
2697 req->shared = !exclusive;
2698 req->wait = !dont_wait;
2699 ret = wine_server_call( req );
2700 handle = wine_server_ptr_handle( reply->handle );
2701 async = reply->overlapped;
2702 }
2703 SERVER_END_REQ;
2704 if (ret != STATUS_PENDING)
2705 {
2706 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2707 return ret;
2708 }
2709
2710 if (async)
2711 {
2712 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2713 if (handle) NtClose( handle );
2714 return STATUS_PENDING;
2715 }
2716 if (handle)
2717 {
2718 NtWaitForSingleObject( handle, FALSE, NULL );
2719 NtClose( handle );
2720 }
2721 else
2722 {
2723 LARGE_INTEGER time;
2724
2725 /* Unix lock conflict, sleep a bit and retry */
2726 time.QuadPart = 100 * (ULONGLONG)10000;
2727 time.QuadPart = -time.QuadPart;
2728 NtDelayExecution( FALSE, &time );
2729 }
2730 }
2731 }
2732
2733
2734 /******************************************************************
2735 * NtUnlockFile (NTDLL.@)
2736 *
2737 *
2738 */
2739 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2740 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2741 PULONG key )
2742 {
2743 NTSTATUS status;
2744
2745 TRACE( "%p %x%08x %x%08x\n",
2746 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2747
2748 if (io_status || key)
2749 {
2750 FIXME("Unimplemented yet parameter\n");
2751 return STATUS_NOT_IMPLEMENTED;
2752 }
2753
2754 SERVER_START_REQ( unlock_file )
2755 {
2756 req->handle = wine_server_obj_handle( hFile );
2757 req->offset = offset->QuadPart;
2758 req->count = count->QuadPart;
2759 status = wine_server_call( req );
2760 }
2761 SERVER_END_REQ;
2762 return status;
2763 }
2764
2765 /******************************************************************
2766 * NtCreateNamedPipeFile (NTDLL.@)
2767 *
2768 *
2769 */
2770 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2771 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2772 ULONG sharing, ULONG dispo, ULONG options,
2773 ULONG pipe_type, ULONG read_mode,
2774 ULONG completion_mode, ULONG max_inst,
2775 ULONG inbound_quota, ULONG outbound_quota,
2776 PLARGE_INTEGER timeout)
2777 {
2778 NTSTATUS status;
2779
2780 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2781 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2782 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2783 outbound_quota, timeout);
2784
2785 /* assume we only get relative timeout */
2786 if (timeout->QuadPart > 0)
2787 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2788
2789 SERVER_START_REQ( create_named_pipe )
2790 {
2791 req->access = access;
2792 req->attributes = attr->Attributes;
2793 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2794 req->options = options;
2795 req->sharing = sharing;
2796 req->flags =
2797 (pipe_type ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0) |
2798 (read_mode ? NAMED_PIPE_MESSAGE_STREAM_READ : 0) |
2799 (completion_mode ? NAMED_PIPE_NONBLOCKING_MODE : 0);
2800 req->maxinstances = max_inst;
2801 req->outsize = outbound_quota;
2802 req->insize = inbound_quota;
2803 req->timeout = timeout->QuadPart;
2804 wine_server_add_data( req, attr->ObjectName->Buffer,
2805 attr->ObjectName->Length );
2806 status = wine_server_call( req );
2807 if (!status) *handle = wine_server_ptr_handle( reply->handle );
2808 }
2809 SERVER_END_REQ;
2810 return status;
2811 }
2812
2813 /******************************************************************
2814 * NtDeleteFile (NTDLL.@)
2815 *
2816 *
2817 */
2818 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2819 {
2820 NTSTATUS status;
2821 HANDLE hFile;
2822 IO_STATUS_BLOCK io;
2823
2824 TRACE("%p\n", ObjectAttributes);
2825 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2826 ObjectAttributes, &io, NULL, 0,
2827 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2828 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2829 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2830 return status;
2831 }
2832
2833 /******************************************************************
2834 * NtCancelIoFileEx (NTDLL.@)
2835 *
2836 *
2837 */
2838 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2839 {
2840 LARGE_INTEGER timeout;
2841
2842 TRACE("%p %p %p\n", hFile, iosb, io_status );
2843
2844 SERVER_START_REQ( cancel_async )
2845 {
2846 req->handle = wine_server_obj_handle( hFile );
2847 req->iosb = wine_server_client_ptr( iosb );
2848 req->only_thread = FALSE;
2849 io_status->u.Status = wine_server_call( req );
2850 }
2851 SERVER_END_REQ;
2852 if (io_status->u.Status)
2853 return io_status->u.Status;
2854
2855 /* Let some APC be run, so that we can run the remaining APCs on hFile
2856 * either the cancelation of the pending one, but also the execution
2857 * of the queued APC, but not yet run. This is needed to ensure proper
2858 * clean-up of allocated data.
2859 */
2860 timeout.u.LowPart = timeout.u.HighPart = 0;
2861 NtDelayExecution( TRUE, &timeout );
2862 return io_status->u.Status;
2863 }
2864
2865 /******************************************************************
2866 * NtCancelIoFile (NTDLL.@)
2867 *
2868 *
2869 */
2870 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2871 {
2872 LARGE_INTEGER timeout;
2873
2874 TRACE("%p %p\n", hFile, io_status );
2875
2876 SERVER_START_REQ( cancel_async )
2877 {
2878 req->handle = wine_server_obj_handle( hFile );
2879 req->iosb = 0;
2880 req->only_thread = TRUE;
2881 io_status->u.Status = wine_server_call( req );
2882 }
2883 SERVER_END_REQ;
2884 if (io_status->u.Status)
2885 return io_status->u.Status;
2886
2887 /* Let some APC be run, so that we can run the remaining APCs on hFile
2888 * either the cancelation of the pending one, but also the execution
2889 * of the queued APC, but not yet run. This is needed to ensure proper
2890 * clean-up of allocated data.
2891 */
2892 timeout.u.LowPart = timeout.u.HighPart = 0;
2893 NtDelayExecution( TRUE, &timeout );
2894 return io_status->u.Status;
2895 }
2896
2897 /******************************************************************************
2898 * NtCreateMailslotFile [NTDLL.@]
2899 * ZwCreateMailslotFile [NTDLL.@]
2900 *
2901 * PARAMS
2902 * pHandle [O] pointer to receive the handle created
2903 * DesiredAccess [I] access mode (read, write, etc)
2904 * ObjectAttributes [I] fully qualified NT path of the mailslot
2905 * IoStatusBlock [O] receives completion status and other info
2906 * CreateOptions [I]
2907 * MailslotQuota [I]
2908 * MaxMessageSize [I]
2909 * TimeOut [I]
2910 *
2911 * RETURNS
2912 * An NT status code
2913 */
2914 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2915 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2916 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2917 PLARGE_INTEGER TimeOut)
2918 {
2919 LARGE_INTEGER timeout;
2920 NTSTATUS ret;
2921
2922 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2923 pHandle, DesiredAccess, attr, IoStatusBlock,
2924 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2925
2926 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2927 if (!attr) return STATUS_INVALID_PARAMETER;
2928 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2929
2930 /*
2931 * For a NULL TimeOut pointer set the default timeout value
2932 */
2933 if (!TimeOut)
2934 timeout.QuadPart = -1;
2935 else
2936 timeout.QuadPart = TimeOut->QuadPart;
2937
2938 SERVER_START_REQ( create_mailslot )
2939 {
2940 req->access = DesiredAccess;
2941 req->attributes = attr->Attributes;
2942 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2943 req->max_msgsize = MaxMessageSize;
2944 req->read_timeout = timeout.QuadPart;
2945 wine_server_add_data( req, attr->ObjectName->Buffer,
2946 attr->ObjectName->Length );
2947 ret = wine_server_call( req );
2948 if( ret == STATUS_SUCCESS )
2949 *pHandle = wine_server_ptr_handle( reply->handle );
2950 }
2951 SERVER_END_REQ;
2952
2953 return ret;
2954 }
Windows API implementation