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odbccp32: Fix SQLInstallDriverManager{,W}.
[wine/multimedia.git] / dlls / ntdll / file.c
blob3dc5358e6c7e2458a1b873e451820a7606b24577
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "config.h"
20 #include "wine/port.h"
21
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include <assert.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #ifdef HAVE_SYS_ERRNO_H
31 #include <sys/errno.h>
32 #endif
33 #ifdef HAVE_LINUX_MAJOR_H
34 # include <linux/major.h>
35 #endif
36 #ifdef HAVE_SYS_STATVFS_H
37 # include <sys/statvfs.h>
38 #endif
39 #ifdef HAVE_SYS_PARAM_H
40 # include <sys/param.h>
41 #endif
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
44 #endif
45 #ifdef HAVE_SYS_IOCTL_H
46 #include <sys/ioctl.h>
47 #endif
48 #ifdef HAVE_SYS_FILIO_H
49 # include <sys/filio.h>
50 #endif
51 #ifdef HAVE_POLL_H
52 #include <poll.h>
53 #endif
54 #ifdef HAVE_SYS_POLL_H
55 #include <sys/poll.h>
56 #endif
57 #ifdef HAVE_SYS_SOCKET_H
58 #include <sys/socket.h>
59 #endif
60 #ifdef HAVE_UTIME_H
61 # include <utime.h>
62 #endif
63 #ifdef HAVE_SYS_VFS_H
64 # include <sys/vfs.h>
65 #endif
66 #ifdef HAVE_SYS_MOUNT_H
67 # include <sys/mount.h>
68 #endif
69 #ifdef HAVE_SYS_STATFS_H
70 # include <sys/statfs.h>
71 #endif
72 #ifdef HAVE_VALGRIND_MEMCHECK_H
73 # include <valgrind/memcheck.h>
74 #endif
75
76 #define NONAMELESSUNION
77 #define NONAMELESSSTRUCT
78 #include "ntstatus.h"
79 #define WIN32_NO_STATUS
80 #include "wine/unicode.h"
81 #include "wine/debug.h"
82 #include "wine/server.h"
83 #include "ntdll_misc.h"
84
85 #include "winternl.h"
86 #include "winioctl.h"
87 #include "ddk/ntddser.h"
88
89 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
90 WINE_DECLARE_DEBUG_CHANNEL(winediag);
91
92 mode_t FILE_umask = 0;
93
94 #define SECSPERDAY 86400
95 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
96
97
98 /**************************************************************************
99 * FILE_CreateFile (internal)
100 * Open a file.
101 *
102 * Parameter set fully identical with NtCreateFile
103 */
104 static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
105 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
106 ULONG attributes, ULONG sharing, ULONG disposition,
107 ULONG options, PVOID ea_buffer, ULONG ea_length )
108 {
109 ANSI_STRING unix_name;
110 int created = FALSE;
111
112 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
113 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
114 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
115 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
116 attributes, sharing, disposition, options, ea_buffer, ea_length );
117
118 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
119
120 if (alloc_size) FIXME( "alloc_size not supported\n" );
121
122 if (options & FILE_OPEN_BY_FILE_ID)
123 io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
124 else
125 io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
126
127 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
128 {
129 SERVER_START_REQ( open_file_object )
130 {
131 req->access = access;
132 req->attributes = attr->Attributes;
133 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
134 req->sharing = sharing;
135 req->options = options;
136 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
137 io->u.Status = wine_server_call( req );
138 *handle = wine_server_ptr_handle( reply->handle );
139 }
140 SERVER_END_REQ;
141 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
142 return io->u.Status;
143 }
144
145 if (io->u.Status == STATUS_NO_SUCH_FILE &&
146 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
147 {
148 created = TRUE;
149 io->u.Status = STATUS_SUCCESS;
150 }
151
152 if (io->u.Status == STATUS_SUCCESS)
153 {
154 struct security_descriptor *sd;
155 struct object_attributes objattr;
156
157 objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
158 objattr.name_len = 0;
159 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
160 if (io->u.Status != STATUS_SUCCESS)
161 {
162 RtlFreeAnsiString( &unix_name );
163 return io->u.Status;
164 }
165
166 SERVER_START_REQ( create_file )
167 {
168 req->access = access;
169 req->attributes = attr->Attributes;
170 req->sharing = sharing;
171 req->create = disposition;
172 req->options = options;
173 req->attrs = attributes;
174 wine_server_add_data( req, &objattr, sizeof(objattr) );
175 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
176 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
177 io->u.Status = wine_server_call( req );
178 *handle = wine_server_ptr_handle( reply->handle );
179 }
180 SERVER_END_REQ;
181 NTDLL_free_struct_sd( sd );
182 RtlFreeAnsiString( &unix_name );
183 }
184 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
185
186 if (io->u.Status == STATUS_SUCCESS)
187 {
188 if (created) io->Information = FILE_CREATED;
189 else switch(disposition)
190 {
191 case FILE_SUPERSEDE:
192 io->Information = FILE_SUPERSEDED;
193 break;
194 case FILE_CREATE:
195 io->Information = FILE_CREATED;
196 break;
197 case FILE_OPEN:
198 case FILE_OPEN_IF:
199 io->Information = FILE_OPENED;
200 break;
201 case FILE_OVERWRITE:
202 case FILE_OVERWRITE_IF:
203 io->Information = FILE_OVERWRITTEN;
204 break;
205 }
206 }
207 else if (io->u.Status == STATUS_TOO_MANY_OPENED_FILES)
208 {
209 static int once;
210 if (!once++) ERR_(winediag)( "Too many open files, ulimit -n probably needs to be increased\n" );
211 }
212
213 return io->u.Status;
214 }
215
216 /**************************************************************************
217 * NtOpenFile [NTDLL.@]
218 * ZwOpenFile [NTDLL.@]
219 *
220 * Open a file.
221 *
222 * PARAMS
223 * handle [O] Variable that receives the file handle on return
224 * access [I] Access desired by the caller to the file
225 * attr [I] Structure describing the file to be opened
226 * io [O] Receives details about the result of the operation
227 * sharing [I] Type of shared access the caller requires
228 * options [I] Options for the file open
229 *
230 * RETURNS
231 * Success: 0. FileHandle and IoStatusBlock are updated.
232 * Failure: An NTSTATUS error code describing the error.
233 */
234 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
235 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
236 ULONG sharing, ULONG options )
237 {
238 return FILE_CreateFile( handle, access, attr, io, NULL, 0,
239 sharing, FILE_OPEN, options, NULL, 0 );
240 }
241
242 /**************************************************************************
243 * NtCreateFile [NTDLL.@]
244 * ZwCreateFile [NTDLL.@]
245 *
246 * Either create a new file or directory, or open an existing file, device,
247 * directory or volume.
248 *
249 * PARAMS
250 * handle [O] Points to a variable which receives the file handle on return
251 * access [I] Desired access to the file
252 * attr [I] Structure describing the file
253 * io [O] Receives information about the operation on return
254 * alloc_size [I] Initial size of the file in bytes
255 * attributes [I] Attributes to create the file with
256 * sharing [I] Type of shared access the caller would like to the file
257 * disposition [I] Specifies what to do, depending on whether the file already exists
258 * options [I] Options for creating a new file
259 * ea_buffer [I] Pointer to an extended attributes buffer
260 * ea_length [I] Length of ea_buffer
261 *
262 * RETURNS
263 * Success: 0. handle and io are updated.
264 * Failure: An NTSTATUS error code describing the error.
265 */
266 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
267 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
268 ULONG attributes, ULONG sharing, ULONG disposition,
269 ULONG options, PVOID ea_buffer, ULONG ea_length )
270 {
271 return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
272 sharing, disposition, options, ea_buffer, ea_length );
273 }
274
275 /***********************************************************************
276 * Asynchronous file I/O *
277 */
278
279 struct async_fileio
280 {
281 HANDLE handle;
282 PIO_APC_ROUTINE apc;
283 void *apc_arg;
284 };
285
286 typedef struct
287 {
288 struct async_fileio io;
289 char* buffer;
290 unsigned int already;
291 unsigned int count;
292 BOOL avail_mode;
293 } async_fileio_read;
294
295 typedef struct
296 {
297 struct async_fileio io;
298 const char *buffer;
299 unsigned int already;
300 unsigned int count;
301 } async_fileio_write;
302
303
304 /* callback for file I/O user APC */
305 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
306 {
307 struct async_fileio *async = arg;
308 if (async->apc) async->apc( async->apc_arg, io, reserved );
309 RtlFreeHeap( GetProcessHeap(), 0, async );
310 }
311
312 /***********************************************************************
313 * FILE_GetNtStatus(void)
314 *
315 * Retrieve the Nt Status code from errno.
316 * Try to be consistent with FILE_SetDosError().
317 */
318 NTSTATUS FILE_GetNtStatus(void)
319 {
320 int err = errno;
321
322 TRACE( "errno = %d\n", errno );
323 switch (err)
324 {
325 case EAGAIN: return STATUS_SHARING_VIOLATION;
326 case EBADF: return STATUS_INVALID_HANDLE;
327 case EBUSY: return STATUS_DEVICE_BUSY;
328 case ENOSPC: return STATUS_DISK_FULL;
329 case EPERM:
330 case EROFS:
331 case EACCES: return STATUS_ACCESS_DENIED;
332 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
333 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
334 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
335 case EMFILE:
336 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
337 case EINVAL: return STATUS_INVALID_PARAMETER;
338 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
339 case EPIPE: return STATUS_PIPE_DISCONNECTED;
340 case EIO: return STATUS_DEVICE_NOT_READY;
341 #ifdef ENOMEDIUM
342 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
343 #endif
344 case ENXIO: return STATUS_NO_SUCH_DEVICE;
345 case ENOTTY:
346 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
347 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
348 case EFAULT: return STATUS_ACCESS_VIOLATION;
349 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
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 ((size) >= FIELD_OFFSET(t, f2) && \
1294 FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < 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_PIPE_LISTEN:
1499 case FSCTL_PIPE_WAIT:
1500 default:
1501 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1502 in_buffer, in_size, out_buffer, out_size );
1503 break;
1504 }
1505
1506 if (status != STATUS_PENDING) io->u.Status = status;
1507 return status;
1508 }
1509
1510 /******************************************************************************
1511 * NtSetVolumeInformationFile [NTDLL.@]
1512 * ZwSetVolumeInformationFile [NTDLL.@]
1513 *
1514 * Set volume information for an open file handle.
1515 *
1516 * PARAMS
1517 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1518 * IoStatusBlock [O] Receives information about the operation on return
1519 * FsInformation [I] Source for volume information
1520 * Length [I] Size of FsInformation
1521 * FsInformationClass [I] Type of volume information to set
1522 *
1523 * RETURNS
1524 * Success: 0. IoStatusBlock is updated.
1525 * Failure: An NTSTATUS error code describing the error.
1526 */
1527 NTSTATUS WINAPI NtSetVolumeInformationFile(
1528 IN HANDLE FileHandle,
1529 PIO_STATUS_BLOCK IoStatusBlock,
1530 PVOID FsInformation,
1531 ULONG Length,
1532 FS_INFORMATION_CLASS FsInformationClass)
1533 {
1534 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1535 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1536 return 0;
1537 }
1538
1539 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1540 LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1541 {
1542 RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1543 RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1544 RtlSecondsSince1970ToTime( st->st_atime, atime );
1545 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1546 mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1547 #endif
1548 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1549 ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1550 #endif
1551 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1552 atime->QuadPart += st->st_atim.tv_nsec / 100;
1553 #endif
1554 *creation = *mtime;
1555 }
1556
1557 /* fill in the file information that depends on the stat info */
1558 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1559 {
1560 switch (class)
1561 {
1562 case FileBasicInformation:
1563 {
1564 FILE_BASIC_INFORMATION *info = ptr;
1565
1566 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1567 &info->LastAccessTime, &info->CreationTime );
1568 if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1569 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1570 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1571 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1572 }
1573 break;
1574 case FileStandardInformation:
1575 {
1576 FILE_STANDARD_INFORMATION *info = ptr;
1577
1578 if ((info->Directory = S_ISDIR(st->st_mode)))
1579 {
1580 info->AllocationSize.QuadPart = 0;
1581 info->EndOfFile.QuadPart = 0;
1582 info->NumberOfLinks = 1;
1583 }
1584 else
1585 {
1586 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1587 info->EndOfFile.QuadPart = st->st_size;
1588 info->NumberOfLinks = st->st_nlink;
1589 }
1590 }
1591 break;
1592 case FileInternalInformation:
1593 {
1594 FILE_INTERNAL_INFORMATION *info = ptr;
1595 info->IndexNumber.QuadPart = st->st_ino;
1596 }
1597 break;
1598 case FileEndOfFileInformation:
1599 {
1600 FILE_END_OF_FILE_INFORMATION *info = ptr;
1601 info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1602 }
1603 break;
1604 case FileAllInformation:
1605 {
1606 FILE_ALL_INFORMATION *info = ptr;
1607 fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1608 fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1609 fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1610 }
1611 break;
1612 /* all directory structures start with the FileDirectoryInformation layout */
1613 case FileBothDirectoryInformation:
1614 case FileFullDirectoryInformation:
1615 case FileDirectoryInformation:
1616 {
1617 FILE_DIRECTORY_INFORMATION *info = ptr;
1618
1619 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1620 &info->LastAccessTime, &info->CreationTime );
1621 if (S_ISDIR(st->st_mode))
1622 {
1623 info->AllocationSize.QuadPart = 0;
1624 info->EndOfFile.QuadPart = 0;
1625 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1626 }
1627 else
1628 {
1629 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1630 info->EndOfFile.QuadPart = st->st_size;
1631 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1632 }
1633 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1634 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1635 }
1636 break;
1637 case FileIdFullDirectoryInformation:
1638 {
1639 FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1640 info->FileId.QuadPart = st->st_ino;
1641 fill_stat_info( st, info, FileDirectoryInformation );
1642 }
1643 break;
1644 case FileIdBothDirectoryInformation:
1645 {
1646 FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1647 info->FileId.QuadPart = st->st_ino;
1648 fill_stat_info( st, info, FileDirectoryInformation );
1649 }
1650 break;
1651
1652 default:
1653 return STATUS_INVALID_INFO_CLASS;
1654 }
1655 return STATUS_SUCCESS;
1656 }
1657
1658 NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1659 {
1660 data_size_t size = 1024;
1661 NTSTATUS ret;
1662 char *name;
1663
1664 for (;;)
1665 {
1666 name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1667 if (!name) return STATUS_NO_MEMORY;
1668 unix_name->MaximumLength = size + 1;
1669
1670 SERVER_START_REQ( get_handle_unix_name )
1671 {
1672 req->handle = wine_server_obj_handle( handle );
1673 wine_server_set_reply( req, name, size );
1674 ret = wine_server_call( req );
1675 size = reply->name_len;
1676 }
1677 SERVER_END_REQ;
1678
1679 if (!ret)
1680 {
1681 name[size] = 0;
1682 unix_name->Buffer = name;
1683 unix_name->Length = size;
1684 break;
1685 }
1686 RtlFreeHeap( GetProcessHeap(), 0, name );
1687 if (ret != STATUS_BUFFER_OVERFLOW) break;
1688 }
1689 return ret;
1690 }
1691
1692 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1693 {
1694 UNICODE_STRING nt_name;
1695 NTSTATUS status;
1696
1697 if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1698 {
1699 const WCHAR *ptr = nt_name.Buffer;
1700 const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1701
1702 /* Skip the volume mount point. */
1703 while (ptr != end && *ptr == '\\') ++ptr;
1704 while (ptr != end && *ptr != '\\') ++ptr;
1705 while (ptr != end && *ptr == '\\') ++ptr;
1706 while (ptr != end && *ptr != '\\') ++ptr;
1707
1708 info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1709 if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1710 else *name_len = info->FileNameLength;
1711
1712 memcpy( info->FileName, ptr, *name_len );
1713 RtlFreeUnicodeString( &nt_name );
1714 }
1715
1716 return status;
1717 }
1718
1719 /******************************************************************************
1720 * NtQueryInformationFile [NTDLL.@]
1721 * ZwQueryInformationFile [NTDLL.@]
1722 *
1723 * Get information about an open file handle.
1724 *
1725 * PARAMS
1726 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1727 * io [O] Receives information about the operation on return
1728 * ptr [O] Destination for file information
1729 * len [I] Size of FileInformation
1730 * class [I] Type of file information to get
1731 *
1732 * RETURNS
1733 * Success: 0. IoStatusBlock and FileInformation are updated.
1734 * Failure: An NTSTATUS error code describing the error.
1735 */
1736 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1737 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1738 {
1739 static const size_t info_sizes[] =
1740 {
1741 0,
1742 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1743 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1744 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1745 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1746 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1747 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1748 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1749 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1750 sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
1751 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1752 0, /* FileLinkInformation */
1753 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1754 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1755 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1756 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1757 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1758 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1759 sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
1760 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1761 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1762 0, /* FileAlternateNameInformation */
1763 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1764 0, /* FilePipeInformation */
1765 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1766 0, /* FilePipeRemoteInformation */
1767 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1768 0, /* FileMailslotSetInformation */
1769 0, /* FileCompressionInformation */
1770 0, /* FileObjectIdInformation */
1771 0, /* FileCompletionInformation */
1772 0, /* FileMoveClusterInformation */
1773 0, /* FileQuotaInformation */
1774 0, /* FileReparsePointInformation */
1775 0, /* FileNetworkOpenInformation */
1776 0, /* FileAttributeTagInformation */
1777 0, /* FileTrackingInformation */
1778 0, /* FileIdBothDirectoryInformation */
1779 0, /* FileIdFullDirectoryInformation */
1780 0, /* FileValidDataLengthInformation */
1781 0, /* FileShortNameInformation */
1782 0,
1783 0,
1784 0,
1785 0, /* FileSfioReserveInformation */
1786 0, /* FileSfioVolumeInformation */
1787 0, /* FileHardLinkInformation */
1788 0,
1789 0, /* FileNormalizedNameInformation */
1790 0,
1791 0, /* FileIdGlobalTxDirectoryInformation */
1792 0,
1793 0,
1794 0,
1795 0 /* FileStandardLinkInformation */
1796 };
1797
1798 struct stat st;
1799 int fd, needs_close = FALSE;
1800
1801 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1802
1803 io->Information = 0;
1804
1805 if (class <= 0 || class >= FileMaximumInformation)
1806 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1807 if (!info_sizes[class])
1808 {
1809 FIXME("Unsupported class (%d)\n", class);
1810 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1811 }
1812 if (len < info_sizes[class])
1813 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1814
1815 if (class != FilePipeLocalInformation)
1816 {
1817 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1818 return io->u.Status;
1819 }
1820
1821 switch (class)
1822 {
1823 case FileBasicInformation:
1824 if (fstat( fd, &st ) == -1)
1825 io->u.Status = FILE_GetNtStatus();
1826 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1827 io->u.Status = STATUS_INVALID_INFO_CLASS;
1828 else
1829 fill_stat_info( &st, ptr, class );
1830 break;
1831 case FileStandardInformation:
1832 {
1833 FILE_STANDARD_INFORMATION *info = ptr;
1834
1835 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1836 else
1837 {
1838 fill_stat_info( &st, info, class );
1839 info->DeletePending = FALSE; /* FIXME */
1840 }
1841 }
1842 break;
1843 case FilePositionInformation:
1844 {
1845 FILE_POSITION_INFORMATION *info = ptr;
1846 off_t res = lseek( fd, 0, SEEK_CUR );
1847 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1848 else info->CurrentByteOffset.QuadPart = res;
1849 }
1850 break;
1851 case FileInternalInformation:
1852 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1853 else fill_stat_info( &st, ptr, class );
1854 break;
1855 case FileEaInformation:
1856 {
1857 FILE_EA_INFORMATION *info = ptr;
1858 info->EaSize = 0;
1859 }
1860 break;
1861 case FileEndOfFileInformation:
1862 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1863 else fill_stat_info( &st, ptr, class );
1864 break;
1865 case FileAllInformation:
1866 {
1867 FILE_ALL_INFORMATION *info = ptr;
1868 ANSI_STRING unix_name;
1869
1870 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1871 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1872 io->u.Status = STATUS_INVALID_INFO_CLASS;
1873 else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1874 {
1875 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1876
1877 fill_stat_info( &st, info, FileAllInformation );
1878 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1879 info->EaInformation.EaSize = 0;
1880 info->AccessInformation.AccessFlags = 0; /* FIXME */
1881 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1882 info->ModeInformation.Mode = 0; /* FIXME */
1883 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1884
1885 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1886 RtlFreeAnsiString( &unix_name );
1887 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1888 }
1889 }
1890 break;
1891 case FileMailslotQueryInformation:
1892 {
1893 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1894
1895 SERVER_START_REQ( set_mailslot_info )
1896 {
1897 req->handle = wine_server_obj_handle( hFile );
1898 req->flags = 0;
1899 io->u.Status = wine_server_call( req );
1900 if( io->u.Status == STATUS_SUCCESS )
1901 {
1902 info->MaximumMessageSize = reply->max_msgsize;
1903 info->MailslotQuota = 0;
1904 info->NextMessageSize = 0;
1905 info->MessagesAvailable = 0;
1906 info->ReadTimeout.QuadPart = reply->read_timeout;
1907 }
1908 }
1909 SERVER_END_REQ;
1910 if (!io->u.Status)
1911 {
1912 char *tmpbuf;
1913 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1914 if (size > 0x10000) size = 0x10000;
1915 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1916 {
1917 int fd, needs_close;
1918 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1919 {
1920 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1921 info->MessagesAvailable = (res > 0);
1922 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1923 if (needs_close) close( fd );
1924 }
1925 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1926 }
1927 }
1928 }
1929 break;
1930 case FilePipeLocalInformation:
1931 {
1932 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1933
1934 SERVER_START_REQ( get_named_pipe_info )
1935 {
1936 req->handle = wine_server_obj_handle( hFile );
1937 if (!(io->u.Status = wine_server_call( req )))
1938 {
1939 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1940 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1941 pli->NamedPipeConfiguration = 0; /* FIXME */
1942 pli->MaximumInstances = reply->maxinstances;
1943 pli->CurrentInstances = reply->instances;
1944 pli->InboundQuota = reply->insize;
1945 pli->ReadDataAvailable = 0; /* FIXME */
1946 pli->OutboundQuota = reply->outsize;
1947 pli->WriteQuotaAvailable = 0; /* FIXME */
1948 pli->NamedPipeState = 0; /* FIXME */
1949 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1950 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1951 }
1952 }
1953 SERVER_END_REQ;
1954 }
1955 break;
1956 case FileNameInformation:
1957 {
1958 FILE_NAME_INFORMATION *info = ptr;
1959 ANSI_STRING unix_name;
1960
1961 if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1962 {
1963 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
1964 io->u.Status = fill_name_info( &unix_name, info, &name_len );
1965 RtlFreeAnsiString( &unix_name );
1966 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
1967 }
1968 }
1969 break;
1970 default:
1971 FIXME("Unsupported class (%d)\n", class);
1972 io->u.Status = STATUS_NOT_IMPLEMENTED;
1973 break;
1974 }
1975 if (needs_close) close( fd );
1976 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1977 return io->u.Status;
1978 }
1979
1980 /******************************************************************************
1981 * NtSetInformationFile [NTDLL.@]
1982 * ZwSetInformationFile [NTDLL.@]
1983 *
1984 * Set information about an open file handle.
1985 *
1986 * PARAMS
1987 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1988 * io [O] Receives information about the operation on return
1989 * ptr [I] Source for file information
1990 * len [I] Size of FileInformation
1991 * class [I] Type of file information to set
1992 *
1993 * RETURNS
1994 * Success: 0. io is updated.
1995 * Failure: An NTSTATUS error code describing the error.
1996 */
1997 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1998 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1999 {
2000 int fd, needs_close;
2001
2002 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
2003
2004 io->u.Status = STATUS_SUCCESS;
2005 switch (class)
2006 {
2007 case FileBasicInformation:
2008 if (len >= sizeof(FILE_BASIC_INFORMATION))
2009 {
2010 struct stat st;
2011 const FILE_BASIC_INFORMATION *info = ptr;
2012
2013 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2014 return io->u.Status;
2015
2016 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
2017 {
2018 struct timeval tv[2];
2019
2020 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
2021 {
2022
2023 tv[0].tv_sec = tv[0].tv_usec = 0;
2024 tv[1].tv_sec = tv[1].tv_usec = 0;
2025 if (!fstat( fd, &st ))
2026 {
2027 tv[0].tv_sec = st.st_atime;
2028 tv[1].tv_sec = st.st_mtime;
2029 }
2030 }
2031 if (info->LastAccessTime.QuadPart)
2032 {
2033 ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
2034 UINT nsec = info->LastAccessTime.QuadPart % 10000000;
2035 tv[0].tv_sec = sec - SECS_1601_TO_1970;
2036 tv[0].tv_usec = nsec / 10;
2037 }
2038 if (info->LastWriteTime.QuadPart)
2039 {
2040 ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
2041 UINT nsec = info->LastWriteTime.QuadPart % 10000000;
2042 tv[1].tv_sec = sec - SECS_1601_TO_1970;
2043 tv[1].tv_usec = nsec / 10;
2044 }
2045 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
2046 }
2047
2048 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
2049 {
2050 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2051 else
2052 {
2053 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2054 {
2055 if (S_ISDIR( st.st_mode))
2056 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2057 else
2058 st.st_mode &= ~0222; /* clear write permission bits */
2059 }
2060 else
2061 {
2062 /* add write permission only where we already have read permission */
2063 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2064 }
2065 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2066 }
2067 }
2068
2069 if (needs_close) close( fd );
2070 }
2071 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2072 break;
2073
2074 case FilePositionInformation:
2075 if (len >= sizeof(FILE_POSITION_INFORMATION))
2076 {
2077 const FILE_POSITION_INFORMATION *info = ptr;
2078
2079 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2080 return io->u.Status;
2081
2082 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2083 io->u.Status = FILE_GetNtStatus();
2084
2085 if (needs_close) close( fd );
2086 }
2087 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2088 break;
2089
2090 case FileEndOfFileInformation:
2091 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2092 {
2093 struct stat st;
2094 const FILE_END_OF_FILE_INFORMATION *info = ptr;
2095
2096 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2097 return io->u.Status;
2098
2099 /* first try normal truncate */
2100 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2101
2102 /* now check for the need to extend the file */
2103 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2104 {
2105 static const char zero;
2106
2107 /* extend the file one byte beyond the requested size and then truncate it */
2108 /* this should work around ftruncate implementations that can't extend files */
2109 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2110 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2111 }
2112 io->u.Status = FILE_GetNtStatus();
2113
2114 if (needs_close) close( fd );
2115 }
2116 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2117 break;
2118
2119 case FileMailslotSetInformation:
2120 {
2121 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2122
2123 SERVER_START_REQ( set_mailslot_info )
2124 {
2125 req->handle = wine_server_obj_handle( handle );
2126 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2127 req->read_timeout = info->ReadTimeout.QuadPart;
2128 io->u.Status = wine_server_call( req );
2129 }
2130 SERVER_END_REQ;
2131 }
2132 break;
2133
2134 case FileCompletionInformation:
2135 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2136 {
2137 FILE_COMPLETION_INFORMATION *info = ptr;
2138
2139 SERVER_START_REQ( set_completion_info )
2140 {
2141 req->handle = wine_server_obj_handle( handle );
2142 req->chandle = wine_server_obj_handle( info->CompletionPort );
2143 req->ckey = info->CompletionKey;
2144 io->u.Status = wine_server_call( req );
2145 }
2146 SERVER_END_REQ;
2147 } else
2148 io->u.Status = STATUS_INVALID_PARAMETER_3;
2149 break;
2150
2151 case FileAllInformation:
2152 io->u.Status = STATUS_INVALID_INFO_CLASS;
2153 break;
2154
2155 default:
2156 FIXME("Unsupported class (%d)\n", class);
2157 io->u.Status = STATUS_NOT_IMPLEMENTED;
2158 break;
2159 }
2160 io->Information = 0;
2161 return io->u.Status;
2162 }
2163
2164
2165 /******************************************************************************
2166 * NtQueryFullAttributesFile (NTDLL.@)
2167 */
2168 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2169 FILE_NETWORK_OPEN_INFORMATION *info )
2170 {
2171 ANSI_STRING unix_name;
2172 NTSTATUS status;
2173
2174 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2175 {
2176 struct stat st;
2177
2178 if (stat( unix_name.Buffer, &st ) == -1)
2179 status = FILE_GetNtStatus();
2180 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2181 status = STATUS_INVALID_INFO_CLASS;
2182 else
2183 {
2184 FILE_BASIC_INFORMATION basic;
2185 FILE_STANDARD_INFORMATION std;
2186
2187 fill_stat_info( &st, &basic, FileBasicInformation );
2188 fill_stat_info( &st, &std, FileStandardInformation );
2189
2190 info->CreationTime = basic.CreationTime;
2191 info->LastAccessTime = basic.LastAccessTime;
2192 info->LastWriteTime = basic.LastWriteTime;
2193 info->ChangeTime = basic.ChangeTime;
2194 info->AllocationSize = std.AllocationSize;
2195 info->EndOfFile = std.EndOfFile;
2196 info->FileAttributes = basic.FileAttributes;
2197 if (DIR_is_hidden_file( attr->ObjectName ))
2198 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2199 }
2200 RtlFreeAnsiString( &unix_name );
2201 }
2202 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2203 return status;
2204 }
2205
2206
2207 /******************************************************************************
2208 * NtQueryAttributesFile (NTDLL.@)
2209 * ZwQueryAttributesFile (NTDLL.@)
2210 */
2211 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2212 {
2213 ANSI_STRING unix_name;
2214 NTSTATUS status;
2215
2216 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2217 {
2218 struct stat st;
2219
2220 if (stat( unix_name.Buffer, &st ) == -1)
2221 status = FILE_GetNtStatus();
2222 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2223 status = STATUS_INVALID_INFO_CLASS;
2224 else
2225 {
2226 status = fill_stat_info( &st, info, FileBasicInformation );
2227 if (DIR_is_hidden_file( attr->ObjectName ))
2228 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2229 }
2230 RtlFreeAnsiString( &unix_name );
2231 }
2232 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2233 return status;
2234 }
2235
2236
2237 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
2238 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2239 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2240 unsigned int flags )
2241 {
2242 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2243 {
2244 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2245 /* Don't assume read-only, let the mount options set it below */
2246 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2247 }
2248 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2249 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2250 {
2251 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2252 info->Characteristics |= FILE_REMOTE_DEVICE;
2253 }
2254 else if (!strcmp("procfs", fstypename))
2255 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2256 else
2257 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2258
2259 if (flags & MNT_RDONLY)
2260 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2261
2262 if (!(flags & MNT_LOCAL))
2263 {
2264 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2265 info->Characteristics |= FILE_REMOTE_DEVICE;
2266 }
2267 }
2268 #endif
2269
2270 static inline int is_device_placeholder( int fd )
2271 {
2272 static const char wine_placeholder[] = "Wine device placeholder";
2273 char buffer[sizeof(wine_placeholder)-1];
2274
2275 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2276 return 0;
2277 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2278 }
2279
2280 /******************************************************************************
2281 * get_device_info
2282 *
2283 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2284 */
2285 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2286 {
2287 struct stat st;
2288
2289 info->Characteristics = 0;
2290 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2291 if (S_ISCHR( st.st_mode ))
2292 {
2293 info->DeviceType = FILE_DEVICE_UNKNOWN;
2294 #ifdef linux
2295 switch(major(st.st_rdev))
2296 {
2297 case MEM_MAJOR:
2298 info->DeviceType = FILE_DEVICE_NULL;
2299 break;
2300 case TTY_MAJOR:
2301 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2302 break;
2303 case LP_MAJOR:
2304 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2305 break;
2306 case SCSI_TAPE_MAJOR:
2307 info->DeviceType = FILE_DEVICE_TAPE;
2308 break;
2309 }
2310 #endif
2311 }
2312 else if (S_ISBLK( st.st_mode ))
2313 {
2314 info->DeviceType = FILE_DEVICE_DISK;
2315 }
2316 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2317 {
2318 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2319 }
2320 else if (is_device_placeholder( fd ))
2321 {
2322 info->DeviceType = FILE_DEVICE_DISK;
2323 }
2324 else /* regular file or directory */
2325 {
2326 #if defined(linux) && defined(HAVE_FSTATFS)
2327 struct statfs stfs;
2328
2329 /* check for floppy disk */
2330 if (major(st.st_dev) == FLOPPY_MAJOR)
2331 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2332
2333 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2334 switch (stfs.f_type)
2335 {
2336 case 0x9660: /* iso9660 */
2337 case 0x9fa1: /* supermount */
2338 case 0x15013346: /* udf */
2339 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2340 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2341 break;
2342 case 0x6969: /* nfs */
2343 case 0x517B: /* smbfs */
2344 case 0x564c: /* ncpfs */
2345 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2346 info->Characteristics |= FILE_REMOTE_DEVICE;
2347 break;
2348 case 0x01021994: /* tmpfs */
2349 case 0x28cd3d45: /* cramfs */
2350 case 0x1373: /* devfs */
2351 case 0x9fa0: /* procfs */
2352 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2353 break;
2354 default:
2355 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2356 break;
2357 }
2358 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
2359 struct statfs stfs;
2360
2361 if (fstatfs( fd, &stfs ) < 0)
2362 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2363 else
2364 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2365 #elif defined(__NetBSD__)
2366 struct statvfs stfs;
2367
2368 if (fstatvfs( fd, &stfs) < 0)
2369 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2370 else
2371 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2372 #elif defined(sun)
2373 /* Use dkio to work out device types */
2374 {
2375 # include <sys/dkio.h>
2376 # include <sys/vtoc.h>
2377 struct dk_cinfo dkinf;
2378 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2379 if(retval==-1){
2380 WARN("Unable to get disk device type information - assuming a disk like device\n");
2381 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2382 }
2383 switch (dkinf.dki_ctype)
2384 {
2385 case DKC_CDROM:
2386 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2387 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2388 break;
2389 case DKC_NCRFLOPPY:
2390 case DKC_SMSFLOPPY:
2391 case DKC_INTEL82072:
2392 case DKC_INTEL82077:
2393 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2394 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2395 break;
2396 case DKC_MD:
2397 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2398 break;
2399 default:
2400 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2401 }
2402 }
2403 #else
2404 static int warned;
2405 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2406 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2407 #endif
2408 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2409 }
2410 return STATUS_SUCCESS;
2411 }
2412
2413
2414 /******************************************************************************
2415 * NtQueryVolumeInformationFile [NTDLL.@]
2416 * ZwQueryVolumeInformationFile [NTDLL.@]
2417 *
2418 * Get volume information for an open file handle.
2419 *
2420 * PARAMS
2421 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2422 * io [O] Receives information about the operation on return
2423 * buffer [O] Destination for volume information
2424 * length [I] Size of FsInformation
2425 * info_class [I] Type of volume information to set
2426 *
2427 * RETURNS
2428 * Success: 0. io and buffer are updated.
2429 * Failure: An NTSTATUS error code describing the error.
2430 */
2431 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2432 PVOID buffer, ULONG length,
2433 FS_INFORMATION_CLASS info_class )
2434 {
2435 int fd, needs_close;
2436 struct stat st;
2437 static int once;
2438
2439 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2440 return io->u.Status;
2441
2442 io->u.Status = STATUS_NOT_IMPLEMENTED;
2443 io->Information = 0;
2444
2445 switch( info_class )
2446 {
2447 case FileFsVolumeInformation:
2448 if (!once++) FIXME( "%p: volume info not supported\n", handle );
2449 break;
2450 case FileFsLabelInformation:
2451 FIXME( "%p: label info not supported\n", handle );
2452 break;
2453 case FileFsSizeInformation:
2454 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2455 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2456 else
2457 {
2458 FILE_FS_SIZE_INFORMATION *info = buffer;
2459
2460 if (fstat( fd, &st ) < 0)
2461 {
2462 io->u.Status = FILE_GetNtStatus();
2463 break;
2464 }
2465 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2466 {
2467 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2468 }
2469 else
2470 {
2471 ULONGLONG bsize;
2472 /* Linux's fstatvfs is buggy */
2473 #if !defined(linux) || !defined(HAVE_FSTATFS)
2474 struct statvfs stfs;
2475
2476 if (fstatvfs( fd, &stfs ) < 0)
2477 {
2478 io->u.Status = FILE_GetNtStatus();
2479 break;
2480 }
2481 bsize = stfs.f_frsize;
2482 #else
2483 struct statfs stfs;
2484 if (fstatfs( fd, &stfs ) < 0)
2485 {
2486 io->u.Status = FILE_GetNtStatus();
2487 break;
2488 }
2489 bsize = stfs.f_bsize;
2490 #endif
2491 if (bsize == 2048) /* assume CD-ROM */
2492 {
2493 info->BytesPerSector = 2048;
2494 info->SectorsPerAllocationUnit = 1;
2495 }
2496 else
2497 {
2498 info->BytesPerSector = 512;
2499 info->SectorsPerAllocationUnit = 8;
2500 }
2501 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2502 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2503 io->Information = sizeof(*info);
2504 io->u.Status = STATUS_SUCCESS;
2505 }
2506 }
2507 break;
2508 case FileFsDeviceInformation:
2509 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2510 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2511 else
2512 {
2513 FILE_FS_DEVICE_INFORMATION *info = buffer;
2514
2515 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2516 io->Information = sizeof(*info);
2517 }
2518 break;
2519 case FileFsAttributeInformation:
2520 FIXME( "%p: attribute info not supported\n", handle );
2521 break;
2522 case FileFsControlInformation:
2523 FIXME( "%p: control info not supported\n", handle );
2524 break;
2525 case FileFsFullSizeInformation:
2526 FIXME( "%p: full size info not supported\n", handle );
2527 break;
2528 case FileFsObjectIdInformation:
2529 FIXME( "%p: object id info not supported\n", handle );
2530 break;
2531 case FileFsMaximumInformation:
2532 FIXME( "%p: maximum info not supported\n", handle );
2533 break;
2534 default:
2535 io->u.Status = STATUS_INVALID_PARAMETER;
2536 break;
2537 }
2538 if (needs_close) close( fd );
2539 return io->u.Status;
2540 }
2541
2542
2543 /******************************************************************
2544 * NtQueryEaFile (NTDLL.@)
2545 *
2546 * Read extended attributes from NTFS files.
2547 *
2548 * PARAMS
2549 * hFile [I] File handle, must be opened with FILE_READ_EA access
2550 * iosb [O] Receives information about the operation on return
2551 * buffer [O] Output buffer
2552 * length [I] Length of output buffer
2553 * single_entry [I] Only read and return one entry
2554 * ea_list [I] Optional list with names of EAs to return
2555 * ea_list_len [I] Length of ea_list in bytes
2556 * ea_index [I] Optional pointer to 1-based index of attribute to return
2557 * restart [I] restart EA scan
2558 *
2559 * RETURNS
2560 * Success: 0. Atrributes read into buffer
2561 * Failure: An NTSTATUS error code describing the error.
2562 */
2563 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2564 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2565 PULONG ea_index, BOOLEAN restart )
2566 {
2567 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2568 hFile, iosb, buffer, length, single_entry, ea_list,
2569 ea_list_len, ea_index, restart);
2570 return STATUS_ACCESS_DENIED;
2571 }
2572
2573
2574 /******************************************************************
2575 * NtSetEaFile (NTDLL.@)
2576 *
2577 * Update extended attributes for NTFS files.
2578 *
2579 * PARAMS
2580 * hFile [I] File handle, must be opened with FILE_READ_EA access
2581 * iosb [O] Receives information about the operation on return
2582 * buffer [I] Buffer with EA information
2583 * length [I] Length of buffer
2584 *
2585 * RETURNS
2586 * Success: 0. Attributes are updated
2587 * Failure: An NTSTATUS error code describing the error.
2588 */
2589 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2590 {
2591 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2592 return STATUS_ACCESS_DENIED;
2593 }
2594
2595
2596 /******************************************************************
2597 * NtFlushBuffersFile (NTDLL.@)
2598 *
2599 * Flush any buffered data on an open file handle.
2600 *
2601 * PARAMS
2602 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2603 * IoStatusBlock [O] Receives information about the operation on return
2604 *
2605 * RETURNS
2606 * Success: 0. IoStatusBlock is updated.
2607 * Failure: An NTSTATUS error code describing the error.
2608 */
2609 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2610 {
2611 NTSTATUS ret;
2612 HANDLE hEvent = NULL;
2613
2614 SERVER_START_REQ( flush_file )
2615 {
2616 req->handle = wine_server_obj_handle( hFile );
2617 ret = wine_server_call( req );
2618 hEvent = wine_server_ptr_handle( reply->event );
2619 }
2620 SERVER_END_REQ;
2621 if (!ret && hEvent)
2622 {
2623 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2624 NtClose( hEvent );
2625 }
2626 return ret;
2627 }
2628
2629 /******************************************************************
2630 * NtLockFile (NTDLL.@)
2631 *
2632 *
2633 */
2634 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2635 PIO_APC_ROUTINE apc, void* apc_user,
2636 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2637 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2638 BOOLEAN exclusive )
2639 {
2640 NTSTATUS ret;
2641 HANDLE handle;
2642 BOOLEAN async;
2643 static BOOLEAN warn = TRUE;
2644
2645 if (apc || io_status || key)
2646 {
2647 FIXME("Unimplemented yet parameter\n");
2648 return STATUS_NOT_IMPLEMENTED;
2649 }
2650
2651 if (apc_user && warn)
2652 {
2653 FIXME("I/O completion on lock not implemented yet\n");
2654 warn = FALSE;
2655 }
2656
2657 for (;;)
2658 {
2659 SERVER_START_REQ( lock_file )
2660 {
2661 req->handle = wine_server_obj_handle( hFile );
2662 req->offset = offset->QuadPart;
2663 req->count = count->QuadPart;
2664 req->shared = !exclusive;
2665 req->wait = !dont_wait;
2666 ret = wine_server_call( req );
2667 handle = wine_server_ptr_handle( reply->handle );
2668 async = reply->overlapped;
2669 }
2670 SERVER_END_REQ;
2671 if (ret != STATUS_PENDING)
2672 {
2673 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2674 return ret;
2675 }
2676
2677 if (async)
2678 {
2679 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2680 if (handle) NtClose( handle );
2681 return STATUS_PENDING;
2682 }
2683 if (handle)
2684 {
2685 NtWaitForSingleObject( handle, FALSE, NULL );
2686 NtClose( handle );
2687 }
2688 else
2689 {
2690 LARGE_INTEGER time;
2691
2692 /* Unix lock conflict, sleep a bit and retry */
2693 time.QuadPart = 100 * (ULONGLONG)10000;
2694 time.QuadPart = -time.QuadPart;
2695 NtDelayExecution( FALSE, &time );
2696 }
2697 }
2698 }
2699
2700
2701 /******************************************************************
2702 * NtUnlockFile (NTDLL.@)
2703 *
2704 *
2705 */
2706 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2707 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2708 PULONG key )
2709 {
2710 NTSTATUS status;
2711
2712 TRACE( "%p %x%08x %x%08x\n",
2713 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2714
2715 if (io_status || key)
2716 {
2717 FIXME("Unimplemented yet parameter\n");
2718 return STATUS_NOT_IMPLEMENTED;
2719 }
2720
2721 SERVER_START_REQ( unlock_file )
2722 {
2723 req->handle = wine_server_obj_handle( hFile );
2724 req->offset = offset->QuadPart;
2725 req->count = count->QuadPart;
2726 status = wine_server_call( req );
2727 }
2728 SERVER_END_REQ;
2729 return status;
2730 }
2731
2732 /******************************************************************
2733 * NtCreateNamedPipeFile (NTDLL.@)
2734 *
2735 *
2736 */
2737 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2738 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2739 ULONG sharing, ULONG dispo, ULONG options,
2740 ULONG pipe_type, ULONG read_mode,
2741 ULONG completion_mode, ULONG max_inst,
2742 ULONG inbound_quota, ULONG outbound_quota,
2743 PLARGE_INTEGER timeout)
2744 {
2745 NTSTATUS status;
2746
2747 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2748 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2749 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2750 outbound_quota, timeout);
2751
2752 /* assume we only get relative timeout */
2753 if (timeout->QuadPart > 0)
2754 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2755
2756 SERVER_START_REQ( create_named_pipe )
2757 {
2758 req->access = access;
2759 req->attributes = attr->Attributes;
2760 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2761 req->options = options;
2762 req->flags =
2763 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2764 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2765 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2766 req->maxinstances = max_inst;
2767 req->outsize = outbound_quota;
2768 req->insize = inbound_quota;
2769 req->timeout = timeout->QuadPart;
2770 wine_server_add_data( req, attr->ObjectName->Buffer,
2771 attr->ObjectName->Length );
2772 status = wine_server_call( req );
2773 if (!status) *handle = wine_server_ptr_handle( reply->handle );
2774 }
2775 SERVER_END_REQ;
2776 return status;
2777 }
2778
2779 /******************************************************************
2780 * NtDeleteFile (NTDLL.@)
2781 *
2782 *
2783 */
2784 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2785 {
2786 NTSTATUS status;
2787 HANDLE hFile;
2788 IO_STATUS_BLOCK io;
2789
2790 TRACE("%p\n", ObjectAttributes);
2791 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2792 ObjectAttributes, &io, NULL, 0,
2793 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2794 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2795 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2796 return status;
2797 }
2798
2799 /******************************************************************
2800 * NtCancelIoFileEx (NTDLL.@)
2801 *
2802 *
2803 */
2804 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2805 {
2806 LARGE_INTEGER timeout;
2807
2808 TRACE("%p %p %p\n", hFile, iosb, io_status );
2809
2810 SERVER_START_REQ( cancel_async )
2811 {
2812 req->handle = wine_server_obj_handle( hFile );
2813 req->iosb = wine_server_client_ptr( iosb );
2814 req->only_thread = FALSE;
2815 io_status->u.Status = wine_server_call( req );
2816 }
2817 SERVER_END_REQ;
2818 if (io_status->u.Status)
2819 return io_status->u.Status;
2820
2821 /* Let some APC be run, so that we can run the remaining APCs on hFile
2822 * either the cancelation of the pending one, but also the execution
2823 * of the queued APC, but not yet run. This is needed to ensure proper
2824 * clean-up of allocated data.
2825 */
2826 timeout.u.LowPart = timeout.u.HighPart = 0;
2827 NtDelayExecution( TRUE, &timeout );
2828 return io_status->u.Status;
2829 }
2830
2831 /******************************************************************
2832 * NtCancelIoFile (NTDLL.@)
2833 *
2834 *
2835 */
2836 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2837 {
2838 LARGE_INTEGER timeout;
2839
2840 TRACE("%p %p\n", hFile, io_status );
2841
2842 SERVER_START_REQ( cancel_async )
2843 {
2844 req->handle = wine_server_obj_handle( hFile );
2845 req->iosb = 0;
2846 req->only_thread = TRUE;
2847 io_status->u.Status = wine_server_call( req );
2848 }
2849 SERVER_END_REQ;
2850 if (io_status->u.Status)
2851 return io_status->u.Status;
2852
2853 /* Let some APC be run, so that we can run the remaining APCs on hFile
2854 * either the cancelation of the pending one, but also the execution
2855 * of the queued APC, but not yet run. This is needed to ensure proper
2856 * clean-up of allocated data.
2857 */
2858 timeout.u.LowPart = timeout.u.HighPart = 0;
2859 NtDelayExecution( TRUE, &timeout );
2860 return io_status->u.Status;
2861 }
2862
2863 /******************************************************************************
2864 * NtCreateMailslotFile [NTDLL.@]
2865 * ZwCreateMailslotFile [NTDLL.@]
2866 *
2867 * PARAMS
2868 * pHandle [O] pointer to receive the handle created
2869 * DesiredAccess [I] access mode (read, write, etc)
2870 * ObjectAttributes [I] fully qualified NT path of the mailslot
2871 * IoStatusBlock [O] receives completion status and other info
2872 * CreateOptions [I]
2873 * MailslotQuota [I]
2874 * MaxMessageSize [I]
2875 * TimeOut [I]
2876 *
2877 * RETURNS
2878 * An NT status code
2879 */
2880 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2881 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2882 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2883 PLARGE_INTEGER TimeOut)
2884 {
2885 LARGE_INTEGER timeout;
2886 NTSTATUS ret;
2887
2888 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2889 pHandle, DesiredAccess, attr, IoStatusBlock,
2890 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2891
2892 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2893 if (!attr) return STATUS_INVALID_PARAMETER;
2894 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2895
2896 /*
2897 * For a NULL TimeOut pointer set the default timeout value
2898 */
2899 if (!TimeOut)
2900 timeout.QuadPart = -1;
2901 else
2902 timeout.QuadPart = TimeOut->QuadPart;
2903
2904 SERVER_START_REQ( create_mailslot )
2905 {
2906 req->access = DesiredAccess;
2907 req->attributes = attr->Attributes;
2908 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2909 req->max_msgsize = MaxMessageSize;
2910 req->read_timeout = timeout.QuadPart;
2911 wine_server_add_data( req, attr->ObjectName->Buffer,
2912 attr->ObjectName->Length );
2913 ret = wine_server_call( req );
2914 if( ret == STATUS_SUCCESS )
2915 *pHandle = wine_server_ptr_handle( reply->handle );
2916 }
2917 SERVER_END_REQ;
2918
2919 return ret;
2920 }
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