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push 38a8c0aff9170390b5a3ded41e7cf5b02f3a73d8
[wine/hacks.git] / dlls / ntdll / file.c
blob00c54c24cf6076edd79410e49f7fb84a09c82359
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
73 #define NONAMELESSUNION
74 #define NONAMELESSSTRUCT
75 #include "ntstatus.h"
76 #define WIN32_NO_STATUS
77 #include "wine/unicode.h"
78 #include "wine/debug.h"
79 #include "wine/server.h"
80 #include "ntdll_misc.h"
81
82 #include "winternl.h"
83 #include "winioctl.h"
84 #include "ddk/ntddser.h"
85
86 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
87
88 mode_t FILE_umask = 0;
89
90 #define SECSPERDAY 86400
91 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
92
93
94 /**************************************************************************
95 * FILE_CreateFile (internal)
96 * Open a file.
97 *
98 * Parameter set fully identical with NtCreateFile
99 */
100 static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
101 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
102 ULONG attributes, ULONG sharing, ULONG disposition,
103 ULONG options, PVOID ea_buffer, ULONG ea_length )
104 {
105 ANSI_STRING unix_name;
106 int created = FALSE;
107
108 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
109 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
110 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
111 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
112 attributes, sharing, disposition, options, ea_buffer, ea_length );
113
114 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
115
116 if (alloc_size) FIXME( "alloc_size not supported\n" );
117
118 if (options & FILE_OPEN_BY_FILE_ID)
119 io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
120 else
121 io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
122
123 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
124 {
125 SERVER_START_REQ( open_file_object )
126 {
127 req->access = access;
128 req->attributes = attr->Attributes;
129 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
130 req->sharing = sharing;
131 req->options = options;
132 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
133 io->u.Status = wine_server_call( req );
134 *handle = wine_server_ptr_handle( reply->handle );
135 }
136 SERVER_END_REQ;
137 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
138 return io->u.Status;
139 }
140
141 if (io->u.Status == STATUS_NO_SUCH_FILE &&
142 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
143 {
144 created = TRUE;
145 io->u.Status = STATUS_SUCCESS;
146 }
147
148 if (io->u.Status == STATUS_SUCCESS)
149 {
150 struct security_descriptor *sd;
151 struct object_attributes objattr;
152
153 objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
154 objattr.name_len = 0;
155 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
156 if (io->u.Status != STATUS_SUCCESS)
157 {
158 RtlFreeAnsiString( &unix_name );
159 return io->u.Status;
160 }
161
162 SERVER_START_REQ( create_file )
163 {
164 req->access = access;
165 req->attributes = attr->Attributes;
166 req->sharing = sharing;
167 req->create = disposition;
168 req->options = options;
169 req->attrs = attributes;
170 wine_server_add_data( req, &objattr, sizeof(objattr) );
171 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
172 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
173 io->u.Status = wine_server_call( req );
174 *handle = wine_server_ptr_handle( reply->handle );
175 }
176 SERVER_END_REQ;
177 NTDLL_free_struct_sd( sd );
178 RtlFreeAnsiString( &unix_name );
179 }
180 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
181
182 if (io->u.Status == STATUS_SUCCESS)
183 {
184 if (created) io->Information = FILE_CREATED;
185 else switch(disposition)
186 {
187 case FILE_SUPERSEDE:
188 io->Information = FILE_SUPERSEDED;
189 break;
190 case FILE_CREATE:
191 io->Information = FILE_CREATED;
192 break;
193 case FILE_OPEN:
194 case FILE_OPEN_IF:
195 io->Information = FILE_OPENED;
196 break;
197 case FILE_OVERWRITE:
198 case FILE_OVERWRITE_IF:
199 io->Information = FILE_OVERWRITTEN;
200 break;
201 }
202 }
203
204 return io->u.Status;
205 }
206
207 /**************************************************************************
208 * NtOpenFile [NTDLL.@]
209 * ZwOpenFile [NTDLL.@]
210 *
211 * Open a file.
212 *
213 * PARAMS
214 * handle [O] Variable that receives the file handle on return
215 * access [I] Access desired by the caller to the file
216 * attr [I] Structure describing the file to be opened
217 * io [O] Receives details about the result of the operation
218 * sharing [I] Type of shared access the caller requires
219 * options [I] Options for the file open
220 *
221 * RETURNS
222 * Success: 0. FileHandle and IoStatusBlock are updated.
223 * Failure: An NTSTATUS error code describing the error.
224 */
225 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
226 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
227 ULONG sharing, ULONG options )
228 {
229 return FILE_CreateFile( handle, access, attr, io, NULL, 0,
230 sharing, FILE_OPEN, options, NULL, 0 );
231 }
232
233 /**************************************************************************
234 * NtCreateFile [NTDLL.@]
235 * ZwCreateFile [NTDLL.@]
236 *
237 * Either create a new file or directory, or open an existing file, device,
238 * directory or volume.
239 *
240 * PARAMS
241 * handle [O] Points to a variable which receives the file handle on return
242 * access [I] Desired access to the file
243 * attr [I] Structure describing the file
244 * io [O] Receives information about the operation on return
245 * alloc_size [I] Initial size of the file in bytes
246 * attributes [I] Attributes to create the file with
247 * sharing [I] Type of shared access the caller would like to the file
248 * disposition [I] Specifies what to do, depending on whether the file already exists
249 * options [I] Options for creating a new file
250 * ea_buffer [I] Pointer to an extended attributes buffer
251 * ea_length [I] Length of ea_buffer
252 *
253 * RETURNS
254 * Success: 0. handle and io are updated.
255 * Failure: An NTSTATUS error code describing the error.
256 */
257 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
258 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
259 ULONG attributes, ULONG sharing, ULONG disposition,
260 ULONG options, PVOID ea_buffer, ULONG ea_length )
261 {
262 return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
263 sharing, disposition, options, ea_buffer, ea_length );
264 }
265
266 /***********************************************************************
267 * Asynchronous file I/O *
268 */
269
270 struct async_fileio
271 {
272 HANDLE handle;
273 PIO_APC_ROUTINE apc;
274 void *apc_arg;
275 };
276
277 typedef struct
278 {
279 struct async_fileio io;
280 char* buffer;
281 unsigned int already;
282 unsigned int count;
283 BOOL avail_mode;
284 } async_fileio_read;
285
286 typedef struct
287 {
288 struct async_fileio io;
289 const char *buffer;
290 unsigned int already;
291 unsigned int count;
292 } async_fileio_write;
293
294
295 /* callback for file I/O user APC */
296 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
297 {
298 struct async_fileio *async = arg;
299 if (async->apc) async->apc( async->apc_arg, io, reserved );
300 RtlFreeHeap( GetProcessHeap(), 0, async );
301 }
302
303 /***********************************************************************
304 * FILE_GetNtStatus(void)
305 *
306 * Retrieve the Nt Status code from errno.
307 * Try to be consistent with FILE_SetDosError().
308 */
309 NTSTATUS FILE_GetNtStatus(void)
310 {
311 int err = errno;
312
313 TRACE( "errno = %d\n", errno );
314 switch (err)
315 {
316 case EAGAIN: return STATUS_SHARING_VIOLATION;
317 case EBADF: return STATUS_INVALID_HANDLE;
318 case EBUSY: return STATUS_DEVICE_BUSY;
319 case ENOSPC: return STATUS_DISK_FULL;
320 case EPERM:
321 case EROFS:
322 case EACCES: return STATUS_ACCESS_DENIED;
323 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
324 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
325 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
326 case EMFILE:
327 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
328 case EINVAL: return STATUS_INVALID_PARAMETER;
329 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
330 case EPIPE: return STATUS_PIPE_DISCONNECTED;
331 case EIO: return STATUS_DEVICE_NOT_READY;
332 #ifdef ENOMEDIUM
333 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
334 #endif
335 case ENXIO: return STATUS_NO_SUCH_DEVICE;
336 case ENOTTY:
337 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
338 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
339 case EFAULT: return STATUS_ACCESS_VIOLATION;
340 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
341 case ENOEXEC: /* ?? */
342 case EEXIST: /* ?? */
343 default:
344 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
345 return STATUS_UNSUCCESSFUL;
346 }
347 }
348
349 /***********************************************************************
350 * FILE_AsyncReadService (INTERNAL)
351 */
352 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
353 {
354 async_fileio_read *fileio = user;
355 int fd, needs_close, result;
356
357 switch (status)
358 {
359 case STATUS_ALERTED: /* got some new data */
360 /* check to see if the data is ready (non-blocking) */
361 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
362 &needs_close, NULL, NULL )))
363 break;
364
365 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
366 if (needs_close) close( fd );
367
368 if (result < 0)
369 {
370 if (errno == EAGAIN || errno == EINTR)
371 status = STATUS_PENDING;
372 else /* check to see if the transfer is complete */
373 status = FILE_GetNtStatus();
374 }
375 else if (result == 0)
376 {
377 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
378 }
379 else
380 {
381 fileio->already += result;
382 if (fileio->already >= fileio->count || fileio->avail_mode)
383 status = STATUS_SUCCESS;
384 else
385 {
386 /* if we only have to read the available data, and none is available,
387 * simply cancel the request. If data was available, it has been read
388 * while in by previous call (NtDelayExecution)
389 */
390 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
391 }
392 }
393 break;
394
395 case STATUS_TIMEOUT:
396 case STATUS_IO_TIMEOUT:
397 if (fileio->already) status = STATUS_SUCCESS;
398 break;
399 }
400 if (status != STATUS_PENDING)
401 {
402 iosb->u.Status = status;
403 iosb->Information = fileio->already;
404 *apc = fileio_apc;
405 }
406 return status;
407 }
408
409 struct io_timeouts
410 {
411 int interval; /* max interval between two bytes */
412 int total; /* total timeout for the whole operation */
413 int end_time; /* absolute time of end of operation */
414 };
415
416 /* retrieve the I/O timeouts to use for a given handle */
417 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
418 struct io_timeouts *timeouts )
419 {
420 NTSTATUS status = STATUS_SUCCESS;
421
422 timeouts->interval = timeouts->total = -1;
423
424 switch(type)
425 {
426 case FD_TYPE_SERIAL:
427 {
428 /* GetCommTimeouts */
429 SERIAL_TIMEOUTS st;
430 IO_STATUS_BLOCK io;
431
432 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
433 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
434 if (status) break;
435
436 if (is_read)
437 {
438 if (st.ReadIntervalTimeout)
439 timeouts->interval = st.ReadIntervalTimeout;
440
441 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
442 {
443 timeouts->total = st.ReadTotalTimeoutConstant;
444 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
445 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
446 }
447 else if (st.ReadIntervalTimeout == MAXDWORD)
448 timeouts->interval = timeouts->total = 0;
449 }
450 else /* write */
451 {
452 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
453 {
454 timeouts->total = st.WriteTotalTimeoutConstant;
455 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
456 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
457 }
458 }
459 }
460 break;
461 case FD_TYPE_MAILSLOT:
462 if (is_read)
463 {
464 timeouts->interval = 0; /* return as soon as we got something */
465 SERVER_START_REQ( set_mailslot_info )
466 {
467 req->handle = wine_server_obj_handle( handle );
468 req->flags = 0;
469 if (!(status = wine_server_call( req )) &&
470 reply->read_timeout != TIMEOUT_INFINITE)
471 timeouts->total = reply->read_timeout / -10000;
472 }
473 SERVER_END_REQ;
474 }
475 break;
476 case FD_TYPE_SOCKET:
477 case FD_TYPE_PIPE:
478 case FD_TYPE_CHAR:
479 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
480 break;
481 default:
482 break;
483 }
484 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
485 return STATUS_SUCCESS;
486 }
487
488
489 /* retrieve the timeout for the next wait, in milliseconds */
490 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
491 {
492 int ret = -1;
493
494 if (timeouts->total != -1)
495 {
496 ret = timeouts->end_time - NtGetTickCount();
497 if (ret < 0) ret = 0;
498 }
499 if (already && timeouts->interval != -1)
500 {
501 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
502 }
503 return ret;
504 }
505
506
507 /* retrieve the avail_mode flag for async reads */
508 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
509 {
510 NTSTATUS status = STATUS_SUCCESS;
511
512 switch(type)
513 {
514 case FD_TYPE_SERIAL:
515 {
516 /* GetCommTimeouts */
517 SERIAL_TIMEOUTS st;
518 IO_STATUS_BLOCK io;
519
520 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
521 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
522 if (status) break;
523 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
524 !st.ReadTotalTimeoutConstant &&
525 st.ReadIntervalTimeout == MAXDWORD);
526 }
527 break;
528 case FD_TYPE_MAILSLOT:
529 case FD_TYPE_SOCKET:
530 case FD_TYPE_PIPE:
531 case FD_TYPE_CHAR:
532 *avail_mode = TRUE;
533 break;
534 default:
535 *avail_mode = FALSE;
536 break;
537 }
538 return status;
539 }
540
541
542 /******************************************************************************
543 * NtReadFile [NTDLL.@]
544 * ZwReadFile [NTDLL.@]
545 *
546 * Read from an open file handle.
547 *
548 * PARAMS
549 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
550 * Event [I] Event to signal upon completion (or NULL)
551 * ApcRoutine [I] Callback to call upon completion (or NULL)
552 * ApcContext [I] Context for ApcRoutine (or NULL)
553 * IoStatusBlock [O] Receives information about the operation on return
554 * Buffer [O] Destination for the data read
555 * Length [I] Size of Buffer
556 * ByteOffset [O] Destination for the new file pointer position (or NULL)
557 * Key [O] Function unknown (may be NULL)
558 *
559 * RETURNS
560 * Success: 0. IoStatusBlock is updated, and the Information member contains
561 * The number of bytes read.
562 * Failure: An NTSTATUS error code describing the error.
563 */
564 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
565 PIO_APC_ROUTINE apc, void* apc_user,
566 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
567 PLARGE_INTEGER offset, PULONG key)
568 {
569 int result, unix_handle, needs_close, timeout_init_done = 0;
570 unsigned int options;
571 struct io_timeouts timeouts;
572 NTSTATUS status;
573 ULONG total = 0;
574 enum server_fd_type type;
575 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
576
577 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
578 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
579
580 if (!io_status) return STATUS_ACCESS_VIOLATION;
581
582 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
583 &needs_close, &type, &options );
584 if (status) return status;
585
586 if (!virtual_check_buffer_for_write( buffer, length ))
587 {
588 status = STATUS_ACCESS_VIOLATION;
589 goto done;
590 }
591
592 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
593 {
594 /* async I/O doesn't make sense on regular files */
595 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
596 {
597 if (errno != EINTR)
598 {
599 status = FILE_GetNtStatus();
600 goto done;
601 }
602 }
603 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
604 /* update file pointer position */
605 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
606
607 total = result;
608 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
609 goto done;
610 }
611
612 for (;;)
613 {
614 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
615 {
616 total += result;
617 if (!result || total == length)
618 {
619 if (total)
620 {
621 status = STATUS_SUCCESS;
622 goto done;
623 }
624 switch (type)
625 {
626 case FD_TYPE_FILE:
627 case FD_TYPE_CHAR:
628 status = STATUS_END_OF_FILE;
629 goto done;
630 case FD_TYPE_SERIAL:
631 break;
632 default:
633 status = STATUS_PIPE_BROKEN;
634 goto done;
635 }
636 }
637 else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
638 }
639 else if (errno != EAGAIN)
640 {
641 if (errno == EINTR) continue;
642 if (!total) status = FILE_GetNtStatus();
643 goto done;
644 }
645
646 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
647 {
648 async_fileio_read *fileio;
649 BOOL avail_mode;
650
651 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
652 goto err;
653 if (total && avail_mode)
654 {
655 status = STATUS_SUCCESS;
656 goto done;
657 }
658
659 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
660 {
661 status = STATUS_NO_MEMORY;
662 goto err;
663 }
664 fileio->io.handle = hFile;
665 fileio->io.apc = apc;
666 fileio->io.apc_arg = apc_user;
667 fileio->already = total;
668 fileio->count = length;
669 fileio->buffer = buffer;
670 fileio->avail_mode = avail_mode;
671
672 SERVER_START_REQ( register_async )
673 {
674 req->type = ASYNC_TYPE_READ;
675 req->count = length;
676 req->async.handle = wine_server_obj_handle( hFile );
677 req->async.event = wine_server_obj_handle( hEvent );
678 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
679 req->async.iosb = wine_server_client_ptr( io_status );
680 req->async.arg = wine_server_client_ptr( fileio );
681 req->async.cvalue = cvalue;
682 status = wine_server_call( req );
683 }
684 SERVER_END_REQ;
685
686 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
687 goto err;
688 }
689 else /* synchronous read, wait for the fd to become ready */
690 {
691 struct pollfd pfd;
692 int ret, timeout;
693
694 if (!timeout_init_done)
695 {
696 timeout_init_done = 1;
697 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
698 goto err;
699 if (hEvent) NtResetEvent( hEvent, NULL );
700 }
701 timeout = get_next_io_timeout( &timeouts, total );
702
703 pfd.fd = unix_handle;
704 pfd.events = POLLIN;
705
706 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
707 {
708 if (total) /* return with what we got so far */
709 status = STATUS_SUCCESS;
710 else
711 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
712 goto done;
713 }
714 if (ret == -1 && errno != EINTR)
715 {
716 status = FILE_GetNtStatus();
717 goto done;
718 }
719 /* will now restart the read */
720 }
721 }
722
723 done:
724 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
725
726 err:
727 if (needs_close) close( unix_handle );
728 if (status == STATUS_SUCCESS)
729 {
730 io_status->u.Status = status;
731 io_status->Information = total;
732 TRACE("= SUCCESS (%u)\n", total);
733 if (hEvent) NtSetEvent( hEvent, NULL );
734 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
735 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
736 }
737 else
738 {
739 TRACE("= 0x%08x\n", status);
740 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
741 }
742 return status;
743 }
744
745
746 /******************************************************************************
747 * NtReadFileScatter [NTDLL.@]
748 * ZwReadFileScatter [NTDLL.@]
749 */
750 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
751 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
752 ULONG length, PLARGE_INTEGER offset, PULONG key )
753 {
754 size_t page_size = getpagesize();
755 int result, unix_handle, needs_close;
756 unsigned int options;
757 NTSTATUS status;
758 ULONG pos = 0, total = 0;
759 enum server_fd_type type;
760 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
761
762 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
763 file, event, apc, apc_user, io_status, segments, length, offset, key);
764
765 if (length % page_size) return STATUS_INVALID_PARAMETER;
766 if (!io_status) return STATUS_ACCESS_VIOLATION;
767
768 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
769 &needs_close, &type, &options );
770 if (status) return status;
771
772 if ((type != FD_TYPE_FILE) ||
773 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
774 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
775 {
776 status = STATUS_INVALID_PARAMETER;
777 goto error;
778 }
779
780 while (length)
781 {
782 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
783 result = pread( unix_handle, (char *)segments->Buffer + pos,
784 page_size - pos, offset->QuadPart + total );
785 else
786 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
787
788 if (result == -1)
789 {
790 if (errno == EINTR) continue;
791 status = FILE_GetNtStatus();
792 break;
793 }
794 if (!result)
795 {
796 status = STATUS_END_OF_FILE;
797 break;
798 }
799 total += result;
800 length -= result;
801 if ((pos += result) == page_size)
802 {
803 pos = 0;
804 segments++;
805 }
806 }
807
808 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
809
810 error:
811 if (needs_close) close( unix_handle );
812 if (status == STATUS_SUCCESS)
813 {
814 io_status->u.Status = status;
815 io_status->Information = total;
816 TRACE("= SUCCESS (%u)\n", total);
817 if (event) NtSetEvent( event, NULL );
818 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
819 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
820 }
821 else
822 {
823 TRACE("= 0x%08x\n", status);
824 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
825 }
826 return status;
827 }
828
829
830 /***********************************************************************
831 * FILE_AsyncWriteService (INTERNAL)
832 */
833 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
834 {
835 async_fileio_write *fileio = user;
836 int result, fd, needs_close;
837 enum server_fd_type type;
838
839 switch (status)
840 {
841 case STATUS_ALERTED:
842 /* write some data (non-blocking) */
843 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
844 &needs_close, &type, NULL )))
845 break;
846
847 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
848 result = send( fd, fileio->buffer, 0, 0 );
849 else
850 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
851
852 if (needs_close) close( fd );
853
854 if (result < 0)
855 {
856 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
857 else status = FILE_GetNtStatus();
858 }
859 else
860 {
861 fileio->already += result;
862 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
863 }
864 break;
865
866 case STATUS_TIMEOUT:
867 case STATUS_IO_TIMEOUT:
868 if (fileio->already) status = STATUS_SUCCESS;
869 break;
870 }
871 if (status != STATUS_PENDING)
872 {
873 iosb->u.Status = status;
874 iosb->Information = fileio->already;
875 *apc = fileio_apc;
876 }
877 return status;
878 }
879
880 /******************************************************************************
881 * NtWriteFile [NTDLL.@]
882 * ZwWriteFile [NTDLL.@]
883 *
884 * Write to an open file handle.
885 *
886 * PARAMS
887 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
888 * Event [I] Event to signal upon completion (or NULL)
889 * ApcRoutine [I] Callback to call upon completion (or NULL)
890 * ApcContext [I] Context for ApcRoutine (or NULL)
891 * IoStatusBlock [O] Receives information about the operation on return
892 * Buffer [I] Source for the data to write
893 * Length [I] Size of Buffer
894 * ByteOffset [O] Destination for the new file pointer position (or NULL)
895 * Key [O] Function unknown (may be NULL)
896 *
897 * RETURNS
898 * Success: 0. IoStatusBlock is updated, and the Information member contains
899 * The number of bytes written.
900 * Failure: An NTSTATUS error code describing the error.
901 */
902 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
903 PIO_APC_ROUTINE apc, void* apc_user,
904 PIO_STATUS_BLOCK io_status,
905 const void* buffer, ULONG length,
906 PLARGE_INTEGER offset, PULONG key)
907 {
908 int result, unix_handle, needs_close, timeout_init_done = 0;
909 unsigned int options;
910 struct io_timeouts timeouts;
911 NTSTATUS status;
912 ULONG total = 0;
913 enum server_fd_type type;
914 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
915
916 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
917 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
918
919 if (!io_status) return STATUS_ACCESS_VIOLATION;
920
921 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
922 &needs_close, &type, &options );
923 if (status) return status;
924
925 if (!virtual_check_buffer_for_read( buffer, length ))
926 {
927 status = STATUS_INVALID_USER_BUFFER;
928 goto done;
929 }
930
931 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
932 {
933 /* async I/O doesn't make sense on regular files */
934 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
935 {
936 if (errno != EINTR)
937 {
938 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
939 else status = FILE_GetNtStatus();
940 goto done;
941 }
942 }
943
944 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
945 /* update file pointer position */
946 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
947
948 total = result;
949 status = STATUS_SUCCESS;
950 goto done;
951 }
952
953 for (;;)
954 {
955 /* zero-length writes on sockets may not work with plain write(2) */
956 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
957 result = send( unix_handle, buffer, 0, 0 );
958 else
959 result = write( unix_handle, (const char *)buffer + total, length - total );
960
961 if (result >= 0)
962 {
963 total += result;
964 if (total == length)
965 {
966 status = STATUS_SUCCESS;
967 goto done;
968 }
969 if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
970 }
971 else if (errno != EAGAIN)
972 {
973 if (errno == EINTR) continue;
974 if (!total)
975 {
976 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
977 else status = FILE_GetNtStatus();
978 }
979 goto done;
980 }
981
982 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
983 {
984 async_fileio_write *fileio;
985
986 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
987 {
988 status = STATUS_NO_MEMORY;
989 goto err;
990 }
991 fileio->io.handle = hFile;
992 fileio->io.apc = apc;
993 fileio->io.apc_arg = apc_user;
994 fileio->already = total;
995 fileio->count = length;
996 fileio->buffer = buffer;
997
998 SERVER_START_REQ( register_async )
999 {
1000 req->type = ASYNC_TYPE_WRITE;
1001 req->count = length;
1002 req->async.handle = wine_server_obj_handle( hFile );
1003 req->async.event = wine_server_obj_handle( hEvent );
1004 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
1005 req->async.iosb = wine_server_client_ptr( io_status );
1006 req->async.arg = wine_server_client_ptr( fileio );
1007 req->async.cvalue = cvalue;
1008 status = wine_server_call( req );
1009 }
1010 SERVER_END_REQ;
1011
1012 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1013 goto err;
1014 }
1015 else /* synchronous write, wait for the fd to become ready */
1016 {
1017 struct pollfd pfd;
1018 int ret, timeout;
1019
1020 if (!timeout_init_done)
1021 {
1022 timeout_init_done = 1;
1023 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1024 goto err;
1025 if (hEvent) NtResetEvent( hEvent, NULL );
1026 }
1027 timeout = get_next_io_timeout( &timeouts, total );
1028
1029 pfd.fd = unix_handle;
1030 pfd.events = POLLOUT;
1031
1032 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1033 {
1034 /* return with what we got so far */
1035 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1036 goto done;
1037 }
1038 if (ret == -1 && errno != EINTR)
1039 {
1040 status = FILE_GetNtStatus();
1041 goto done;
1042 }
1043 /* will now restart the write */
1044 }
1045 }
1046
1047 done:
1048 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
1049
1050 err:
1051 if (needs_close) close( unix_handle );
1052 if (status == STATUS_SUCCESS)
1053 {
1054 io_status->u.Status = status;
1055 io_status->Information = total;
1056 TRACE("= SUCCESS (%u)\n", total);
1057 if (hEvent) NtSetEvent( hEvent, NULL );
1058 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1059 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1060 }
1061 else
1062 {
1063 TRACE("= 0x%08x\n", status);
1064 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1065 }
1066 return status;
1067 }
1068
1069
1070 /******************************************************************************
1071 * NtWriteFileGather [NTDLL.@]
1072 * ZwWriteFileGather [NTDLL.@]
1073 */
1074 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1075 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1076 ULONG length, PLARGE_INTEGER offset, PULONG key )
1077 {
1078 size_t page_size = getpagesize();
1079 int result, unix_handle, needs_close;
1080 unsigned int options;
1081 NTSTATUS status;
1082 ULONG pos = 0, total = 0;
1083 enum server_fd_type type;
1084 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1085
1086 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1087 file, event, apc, apc_user, io_status, segments, length, offset, key);
1088
1089 if (length % page_size) return STATUS_INVALID_PARAMETER;
1090 if (!io_status) return STATUS_ACCESS_VIOLATION;
1091
1092 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1093 &needs_close, &type, &options );
1094 if (status) return status;
1095
1096 if ((type != FD_TYPE_FILE) ||
1097 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1098 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1099 {
1100 status = STATUS_INVALID_PARAMETER;
1101 goto error;
1102 }
1103
1104 while (length)
1105 {
1106 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1107 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1108 page_size - pos, offset->QuadPart + total );
1109 else
1110 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1111
1112 if (result == -1)
1113 {
1114 if (errno == EINTR) continue;
1115 if (errno == EFAULT)
1116 {
1117 status = STATUS_INVALID_USER_BUFFER;
1118 goto error;
1119 }
1120 status = FILE_GetNtStatus();
1121 break;
1122 }
1123 if (!result)
1124 {
1125 status = STATUS_DISK_FULL;
1126 break;
1127 }
1128 total += result;
1129 length -= result;
1130 if ((pos += result) == page_size)
1131 {
1132 pos = 0;
1133 segments++;
1134 }
1135 }
1136
1137 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
1138
1139 error:
1140 if (needs_close) close( unix_handle );
1141 if (status == STATUS_SUCCESS)
1142 {
1143 io_status->u.Status = status;
1144 io_status->Information = total;
1145 TRACE("= SUCCESS (%u)\n", total);
1146 if (event) NtSetEvent( event, NULL );
1147 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1148 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1149 }
1150 else
1151 {
1152 TRACE("= 0x%08x\n", status);
1153 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1154 }
1155 return status;
1156 }
1157
1158
1159 struct async_ioctl
1160 {
1161 HANDLE handle; /* handle to the device */
1162 HANDLE event; /* async event */
1163 void *buffer; /* buffer for output */
1164 ULONG size; /* size of buffer */
1165 PIO_APC_ROUTINE apc; /* user apc params */
1166 void *apc_arg;
1167 };
1168
1169 /* callback for ioctl user APC */
1170 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1171 {
1172 struct async_ioctl *async = arg;
1173 if (async->apc) async->apc( async->apc_arg, io, reserved );
1174 RtlFreeHeap( GetProcessHeap(), 0, async );
1175 }
1176
1177 /* callback for ioctl async I/O completion */
1178 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1179 {
1180 struct async_ioctl *async = arg;
1181
1182 if (status == STATUS_ALERTED)
1183 {
1184 SERVER_START_REQ( get_ioctl_result )
1185 {
1186 req->handle = wine_server_obj_handle( async->handle );
1187 req->user_arg = wine_server_client_ptr( async );
1188 wine_server_set_reply( req, async->buffer, async->size );
1189 status = wine_server_call( req );
1190 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1191 }
1192 SERVER_END_REQ;
1193 }
1194 if (status != STATUS_PENDING)
1195 {
1196 io->u.Status = status;
1197 if (async->apc || async->event) *apc = ioctl_apc;
1198 }
1199 return status;
1200 }
1201
1202 /* do a ioctl call through the server */
1203 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1204 PIO_APC_ROUTINE apc, PVOID apc_context,
1205 IO_STATUS_BLOCK *io, ULONG code,
1206 const void *in_buffer, ULONG in_size,
1207 PVOID out_buffer, ULONG out_size )
1208 {
1209 struct async_ioctl *async;
1210 NTSTATUS status;
1211 HANDLE wait_handle;
1212 ULONG options;
1213 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1214
1215 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1216 return STATUS_NO_MEMORY;
1217 async->handle = handle;
1218 async->event = event;
1219 async->buffer = out_buffer;
1220 async->size = out_size;
1221 async->apc = apc;
1222 async->apc_arg = apc_context;
1223
1224 SERVER_START_REQ( ioctl )
1225 {
1226 req->code = code;
1227 req->blocking = !apc && !event;
1228 req->async.handle = wine_server_obj_handle( handle );
1229 req->async.callback = wine_server_client_ptr( ioctl_completion );
1230 req->async.iosb = wine_server_client_ptr( io );
1231 req->async.arg = wine_server_client_ptr( async );
1232 req->async.event = wine_server_obj_handle( event );
1233 req->async.cvalue = cvalue;
1234 wine_server_add_data( req, in_buffer, in_size );
1235 wine_server_set_reply( req, out_buffer, out_size );
1236 status = wine_server_call( req );
1237 wait_handle = wine_server_ptr_handle( reply->wait );
1238 options = reply->options;
1239 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1240 }
1241 SERVER_END_REQ;
1242
1243 if (status == STATUS_NOT_SUPPORTED)
1244 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1245 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1246
1247 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1248
1249 if (wait_handle)
1250 {
1251 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1252 status = io->u.Status;
1253 NtClose( wait_handle );
1254 RtlFreeHeap( GetProcessHeap(), 0, async );
1255 }
1256
1257 return status;
1258 }
1259
1260
1261 /**************************************************************************
1262 * NtDeviceIoControlFile [NTDLL.@]
1263 * ZwDeviceIoControlFile [NTDLL.@]
1264 *
1265 * Perform an I/O control operation on an open file handle.
1266 *
1267 * PARAMS
1268 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1269 * event [I] Event to signal upon completion (or NULL)
1270 * apc [I] Callback to call upon completion (or NULL)
1271 * apc_context [I] Context for ApcRoutine (or NULL)
1272 * io [O] Receives information about the operation on return
1273 * code [I] Control code for the operation to perform
1274 * in_buffer [I] Source for any input data required (or NULL)
1275 * in_size [I] Size of InputBuffer
1276 * out_buffer [O] Source for any output data returned (or NULL)
1277 * out_size [I] Size of OutputBuffer
1278 *
1279 * RETURNS
1280 * Success: 0. IoStatusBlock is updated.
1281 * Failure: An NTSTATUS error code describing the error.
1282 */
1283 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1284 PIO_APC_ROUTINE apc, PVOID apc_context,
1285 PIO_STATUS_BLOCK io, ULONG code,
1286 PVOID in_buffer, ULONG in_size,
1287 PVOID out_buffer, ULONG out_size)
1288 {
1289 ULONG device = (code >> 16);
1290 NTSTATUS status = STATUS_NOT_SUPPORTED;
1291
1292 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1293 handle, event, apc, apc_context, io, code,
1294 in_buffer, in_size, out_buffer, out_size);
1295
1296 switch(device)
1297 {
1298 case FILE_DEVICE_DISK:
1299 case FILE_DEVICE_CD_ROM:
1300 case FILE_DEVICE_DVD:
1301 case FILE_DEVICE_CONTROLLER:
1302 case FILE_DEVICE_MASS_STORAGE:
1303 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1304 in_buffer, in_size, out_buffer, out_size);
1305 break;
1306 case FILE_DEVICE_SERIAL_PORT:
1307 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1308 in_buffer, in_size, out_buffer, out_size);
1309 break;
1310 case FILE_DEVICE_TAPE:
1311 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1312 in_buffer, in_size, out_buffer, out_size);
1313 break;
1314 }
1315
1316 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1317 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1318 in_buffer, in_size, out_buffer, out_size );
1319
1320 if (status != STATUS_PENDING) io->u.Status = status;
1321 return status;
1322 }
1323
1324
1325 /**************************************************************************
1326 * NtFsControlFile [NTDLL.@]
1327 * ZwFsControlFile [NTDLL.@]
1328 *
1329 * Perform a file system control operation on an open file handle.
1330 *
1331 * PARAMS
1332 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1333 * event [I] Event to signal upon completion (or NULL)
1334 * apc [I] Callback to call upon completion (or NULL)
1335 * apc_context [I] Context for ApcRoutine (or NULL)
1336 * io [O] Receives information about the operation on return
1337 * code [I] Control code for the operation to perform
1338 * in_buffer [I] Source for any input data required (or NULL)
1339 * in_size [I] Size of InputBuffer
1340 * out_buffer [O] Source for any output data returned (or NULL)
1341 * out_size [I] Size of OutputBuffer
1342 *
1343 * RETURNS
1344 * Success: 0. IoStatusBlock is updated.
1345 * Failure: An NTSTATUS error code describing the error.
1346 */
1347 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1348 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1349 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1350 {
1351 NTSTATUS status;
1352
1353 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1354 handle, event, apc, apc_context, io, code,
1355 in_buffer, in_size, out_buffer, out_size);
1356
1357 if (!io) return STATUS_INVALID_PARAMETER;
1358
1359 switch(code)
1360 {
1361 case FSCTL_DISMOUNT_VOLUME:
1362 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1363 in_buffer, in_size, out_buffer, out_size );
1364 if (!status) status = DIR_unmount_device( handle );
1365 break;
1366
1367 case FSCTL_PIPE_PEEK:
1368 {
1369 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1370 int avail = 0, fd, needs_close;
1371
1372 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1373 {
1374 status = STATUS_INFO_LENGTH_MISMATCH;
1375 break;
1376 }
1377
1378 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1379 break;
1380
1381 #ifdef FIONREAD
1382 if (ioctl( fd, FIONREAD, &avail ) != 0)
1383 {
1384 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1385 if (needs_close) close( fd );
1386 status = FILE_GetNtStatus();
1387 break;
1388 }
1389 #endif
1390 if (!avail) /* check for closed pipe */
1391 {
1392 struct pollfd pollfd;
1393 int ret;
1394
1395 pollfd.fd = fd;
1396 pollfd.events = POLLIN;
1397 pollfd.revents = 0;
1398 ret = poll( &pollfd, 1, 0 );
1399 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1400 {
1401 if (needs_close) close( fd );
1402 status = STATUS_PIPE_BROKEN;
1403 break;
1404 }
1405 }
1406 buffer->NamedPipeState = 0; /* FIXME */
1407 buffer->ReadDataAvailable = avail;
1408 buffer->NumberOfMessages = 0; /* FIXME */
1409 buffer->MessageLength = 0; /* FIXME */
1410 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1411 status = STATUS_SUCCESS;
1412 if (avail)
1413 {
1414 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1415 if (data_size)
1416 {
1417 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1418 if (res >= 0) io->Information += res;
1419 }
1420 }
1421 if (needs_close) close( fd );
1422 }
1423 break;
1424
1425 case FSCTL_PIPE_DISCONNECT:
1426 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1427 in_buffer, in_size, out_buffer, out_size );
1428 if (!status)
1429 {
1430 int fd = server_remove_fd_from_cache( handle );
1431 if (fd != -1) close( fd );
1432 }
1433 break;
1434
1435 case FSCTL_PIPE_IMPERSONATE:
1436 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1437 status = RtlImpersonateSelf( SecurityImpersonation );
1438 break;
1439
1440 case FSCTL_LOCK_VOLUME:
1441 case FSCTL_UNLOCK_VOLUME:
1442 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1443 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1444 status = STATUS_SUCCESS;
1445 break;
1446
1447 case FSCTL_PIPE_LISTEN:
1448 case FSCTL_PIPE_WAIT:
1449 default:
1450 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1451 in_buffer, in_size, out_buffer, out_size );
1452 break;
1453 }
1454
1455 if (status != STATUS_PENDING) io->u.Status = status;
1456 return status;
1457 }
1458
1459 /******************************************************************************
1460 * NtSetVolumeInformationFile [NTDLL.@]
1461 * ZwSetVolumeInformationFile [NTDLL.@]
1462 *
1463 * Set volume information for an open file handle.
1464 *
1465 * PARAMS
1466 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1467 * IoStatusBlock [O] Receives information about the operation on return
1468 * FsInformation [I] Source for volume information
1469 * Length [I] Size of FsInformation
1470 * FsInformationClass [I] Type of volume information to set
1471 *
1472 * RETURNS
1473 * Success: 0. IoStatusBlock is updated.
1474 * Failure: An NTSTATUS error code describing the error.
1475 */
1476 NTSTATUS WINAPI NtSetVolumeInformationFile(
1477 IN HANDLE FileHandle,
1478 PIO_STATUS_BLOCK IoStatusBlock,
1479 PVOID FsInformation,
1480 ULONG Length,
1481 FS_INFORMATION_CLASS FsInformationClass)
1482 {
1483 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1484 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1485 return 0;
1486 }
1487
1488 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1489 LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1490 {
1491 RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1492 RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1493 RtlSecondsSince1970ToTime( st->st_atime, atime );
1494 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1495 mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1496 #endif
1497 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1498 ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1499 #endif
1500 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1501 atime->QuadPart += st->st_atim.tv_nsec / 100;
1502 #endif
1503 *creation = *mtime;
1504 }
1505
1506 /* fill in the file information that depends on the stat info */
1507 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1508 {
1509 switch (class)
1510 {
1511 case FileBasicInformation:
1512 {
1513 FILE_BASIC_INFORMATION *info = ptr;
1514
1515 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1516 &info->LastAccessTime, &info->CreationTime );
1517 if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1518 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1519 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1520 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1521 }
1522 break;
1523 case FileStandardInformation:
1524 {
1525 FILE_STANDARD_INFORMATION *info = ptr;
1526
1527 if ((info->Directory = S_ISDIR(st->st_mode)))
1528 {
1529 info->AllocationSize.QuadPart = 0;
1530 info->EndOfFile.QuadPart = 0;
1531 info->NumberOfLinks = 1;
1532 }
1533 else
1534 {
1535 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1536 info->EndOfFile.QuadPart = st->st_size;
1537 info->NumberOfLinks = st->st_nlink;
1538 }
1539 }
1540 break;
1541 case FileInternalInformation:
1542 {
1543 FILE_INTERNAL_INFORMATION *info = ptr;
1544 info->IndexNumber.QuadPart = st->st_ino;
1545 }
1546 break;
1547 case FileEndOfFileInformation:
1548 {
1549 FILE_END_OF_FILE_INFORMATION *info = ptr;
1550 info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1551 }
1552 break;
1553 case FileAllInformation:
1554 {
1555 FILE_ALL_INFORMATION *info = ptr;
1556 fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1557 fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1558 fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1559 }
1560 break;
1561 /* all directory structures start with the FileDirectoryInformation layout */
1562 case FileBothDirectoryInformation:
1563 case FileFullDirectoryInformation:
1564 case FileDirectoryInformation:
1565 {
1566 FILE_DIRECTORY_INFORMATION *info = ptr;
1567
1568 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1569 &info->LastAccessTime, &info->CreationTime );
1570 if (S_ISDIR(st->st_mode))
1571 {
1572 info->AllocationSize.QuadPart = 0;
1573 info->EndOfFile.QuadPart = 0;
1574 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1575 }
1576 else
1577 {
1578 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1579 info->EndOfFile.QuadPart = st->st_size;
1580 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1581 }
1582 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1583 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1584 }
1585 break;
1586 case FileIdFullDirectoryInformation:
1587 {
1588 FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1589 info->FileId.QuadPart = st->st_ino;
1590 fill_stat_info( st, info, FileDirectoryInformation );
1591 }
1592 break;
1593 case FileIdBothDirectoryInformation:
1594 {
1595 FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1596 info->FileId.QuadPart = st->st_ino;
1597 fill_stat_info( st, info, FileDirectoryInformation );
1598 }
1599 break;
1600
1601 default:
1602 return STATUS_INVALID_INFO_CLASS;
1603 }
1604 return STATUS_SUCCESS;
1605 }
1606
1607 static NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1608 {
1609 data_size_t size = 1024;
1610 NTSTATUS ret;
1611 char *name;
1612
1613 for (;;)
1614 {
1615 name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1616 if (!name) return STATUS_NO_MEMORY;
1617 unix_name->MaximumLength = size + 1;
1618
1619 SERVER_START_REQ( get_handle_unix_name )
1620 {
1621 req->handle = wine_server_obj_handle( handle );
1622 wine_server_set_reply( req, name, size );
1623 ret = wine_server_call( req );
1624 size = reply->name_len;
1625 }
1626 SERVER_END_REQ;
1627
1628 if (!ret)
1629 {
1630 name[size] = 0;
1631 unix_name->Buffer = name;
1632 unix_name->Length = size;
1633 break;
1634 }
1635 RtlFreeHeap( GetProcessHeap(), 0, name );
1636 if (ret != STATUS_BUFFER_OVERFLOW) break;
1637 }
1638 return ret;
1639 }
1640
1641 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1642 {
1643 UNICODE_STRING nt_name;
1644 NTSTATUS status;
1645
1646 if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1647 {
1648 const WCHAR *ptr = nt_name.Buffer;
1649 const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1650
1651 /* Skip the volume mount point. */
1652 while (ptr != end && *ptr == '\\') ++ptr;
1653 while (ptr != end && *ptr != '\\') ++ptr;
1654 while (ptr != end && *ptr == '\\') ++ptr;
1655 while (ptr != end && *ptr != '\\') ++ptr;
1656
1657 info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1658 if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1659 else *name_len = info->FileNameLength;
1660
1661 memcpy( info->FileName, ptr, *name_len );
1662 RtlFreeUnicodeString( &nt_name );
1663 }
1664
1665 return status;
1666 }
1667
1668 /******************************************************************************
1669 * NtQueryInformationFile [NTDLL.@]
1670 * ZwQueryInformationFile [NTDLL.@]
1671 *
1672 * Get information about an open file handle.
1673 *
1674 * PARAMS
1675 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1676 * io [O] Receives information about the operation on return
1677 * ptr [O] Destination for file information
1678 * len [I] Size of FileInformation
1679 * class [I] Type of file information to get
1680 *
1681 * RETURNS
1682 * Success: 0. IoStatusBlock and FileInformation are updated.
1683 * Failure: An NTSTATUS error code describing the error.
1684 */
1685 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1686 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1687 {
1688 static const size_t info_sizes[] =
1689 {
1690 0,
1691 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1692 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1693 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1694 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1695 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1696 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1697 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1698 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1699 sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
1700 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1701 0, /* FileLinkInformation */
1702 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1703 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1704 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1705 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1706 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1707 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1708 sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
1709 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1710 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1711 0, /* FileAlternateNameInformation */
1712 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1713 0, /* FilePipeInformation */
1714 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1715 0, /* FilePipeRemoteInformation */
1716 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1717 0, /* FileMailslotSetInformation */
1718 0, /* FileCompressionInformation */
1719 0, /* FileObjectIdInformation */
1720 0, /* FileCompletionInformation */
1721 0, /* FileMoveClusterInformation */
1722 0, /* FileQuotaInformation */
1723 0, /* FileReparsePointInformation */
1724 0, /* FileNetworkOpenInformation */
1725 0, /* FileAttributeTagInformation */
1726 0, /* FileTrackingInformation */
1727 0, /* FileIdBothDirectoryInformation */
1728 0, /* FileIdFullDirectoryInformation */
1729 0, /* FileValidDataLengthInformation */
1730 0, /* FileShortNameInformation */
1731 0,
1732 0,
1733 0,
1734 0, /* FileSfioReserveInformation */
1735 0, /* FileSfioVolumeInformation */
1736 0, /* FileHardLinkInformation */
1737 0,
1738 0, /* FileNormalizedNameInformation */
1739 0,
1740 0, /* FileIdGlobalTxDirectoryInformation */
1741 0,
1742 0,
1743 0,
1744 0 /* FileStandardLinkInformation */
1745 };
1746
1747 struct stat st;
1748 int fd, needs_close = FALSE;
1749
1750 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1751
1752 io->Information = 0;
1753
1754 if (class <= 0 || class >= FileMaximumInformation)
1755 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1756 if (!info_sizes[class])
1757 {
1758 FIXME("Unsupported class (%d)\n", class);
1759 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1760 }
1761 if (len < info_sizes[class])
1762 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1763
1764 if (class != FilePipeLocalInformation)
1765 {
1766 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1767 return io->u.Status;
1768 }
1769
1770 switch (class)
1771 {
1772 case FileBasicInformation:
1773 if (fstat( fd, &st ) == -1)
1774 io->u.Status = FILE_GetNtStatus();
1775 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1776 io->u.Status = STATUS_INVALID_INFO_CLASS;
1777 else
1778 fill_stat_info( &st, ptr, class );
1779 break;
1780 case FileStandardInformation:
1781 {
1782 FILE_STANDARD_INFORMATION *info = ptr;
1783
1784 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1785 else
1786 {
1787 fill_stat_info( &st, info, class );
1788 info->DeletePending = FALSE; /* FIXME */
1789 }
1790 }
1791 break;
1792 case FilePositionInformation:
1793 {
1794 FILE_POSITION_INFORMATION *info = ptr;
1795 off_t res = lseek( fd, 0, SEEK_CUR );
1796 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1797 else info->CurrentByteOffset.QuadPart = res;
1798 }
1799 break;
1800 case FileInternalInformation:
1801 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1802 else fill_stat_info( &st, ptr, class );
1803 break;
1804 case FileEaInformation:
1805 {
1806 FILE_EA_INFORMATION *info = ptr;
1807 info->EaSize = 0;
1808 }
1809 break;
1810 case FileEndOfFileInformation:
1811 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1812 else fill_stat_info( &st, ptr, class );
1813 break;
1814 case FileAllInformation:
1815 {
1816 FILE_ALL_INFORMATION *info = ptr;
1817 ANSI_STRING unix_name;
1818
1819 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1820 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1821 io->u.Status = STATUS_INVALID_INFO_CLASS;
1822 else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1823 {
1824 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1825
1826 fill_stat_info( &st, info, FileAllInformation );
1827 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1828 info->EaInformation.EaSize = 0;
1829 info->AccessInformation.AccessFlags = 0; /* FIXME */
1830 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1831 info->ModeInformation.Mode = 0; /* FIXME */
1832 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1833
1834 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1835 RtlFreeAnsiString( &unix_name );
1836 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1837 }
1838 }
1839 break;
1840 case FileMailslotQueryInformation:
1841 {
1842 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1843
1844 SERVER_START_REQ( set_mailslot_info )
1845 {
1846 req->handle = wine_server_obj_handle( hFile );
1847 req->flags = 0;
1848 io->u.Status = wine_server_call( req );
1849 if( io->u.Status == STATUS_SUCCESS )
1850 {
1851 info->MaximumMessageSize = reply->max_msgsize;
1852 info->MailslotQuota = 0;
1853 info->NextMessageSize = 0;
1854 info->MessagesAvailable = 0;
1855 info->ReadTimeout.QuadPart = reply->read_timeout;
1856 }
1857 }
1858 SERVER_END_REQ;
1859 if (!io->u.Status)
1860 {
1861 char *tmpbuf;
1862 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1863 if (size > 0x10000) size = 0x10000;
1864 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1865 {
1866 int fd, needs_close;
1867 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1868 {
1869 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1870 info->MessagesAvailable = (res > 0);
1871 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1872 if (needs_close) close( fd );
1873 }
1874 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1875 }
1876 }
1877 }
1878 break;
1879 case FilePipeLocalInformation:
1880 {
1881 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1882
1883 SERVER_START_REQ( get_named_pipe_info )
1884 {
1885 req->handle = wine_server_obj_handle( hFile );
1886 if (!(io->u.Status = wine_server_call( req )))
1887 {
1888 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1889 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1890 pli->NamedPipeConfiguration = 0; /* FIXME */
1891 pli->MaximumInstances = reply->maxinstances;
1892 pli->CurrentInstances = reply->instances;
1893 pli->InboundQuota = reply->insize;
1894 pli->ReadDataAvailable = 0; /* FIXME */
1895 pli->OutboundQuota = reply->outsize;
1896 pli->WriteQuotaAvailable = 0; /* FIXME */
1897 pli->NamedPipeState = 0; /* FIXME */
1898 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1899 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1900 }
1901 }
1902 SERVER_END_REQ;
1903 }
1904 break;
1905 case FileNameInformation:
1906 {
1907 FILE_NAME_INFORMATION *info = ptr;
1908 ANSI_STRING unix_name;
1909
1910 if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1911 {
1912 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
1913 io->u.Status = fill_name_info( &unix_name, info, &name_len );
1914 RtlFreeAnsiString( &unix_name );
1915 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
1916 }
1917 }
1918 break;
1919 default:
1920 FIXME("Unsupported class (%d)\n", class);
1921 io->u.Status = STATUS_NOT_IMPLEMENTED;
1922 break;
1923 }
1924 if (needs_close) close( fd );
1925 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1926 return io->u.Status;
1927 }
1928
1929 /******************************************************************************
1930 * NtSetInformationFile [NTDLL.@]
1931 * ZwSetInformationFile [NTDLL.@]
1932 *
1933 * Set information about an open file handle.
1934 *
1935 * PARAMS
1936 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1937 * io [O] Receives information about the operation on return
1938 * ptr [I] Source for file information
1939 * len [I] Size of FileInformation
1940 * class [I] Type of file information to set
1941 *
1942 * RETURNS
1943 * Success: 0. io is updated.
1944 * Failure: An NTSTATUS error code describing the error.
1945 */
1946 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1947 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1948 {
1949 int fd, needs_close;
1950
1951 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1952
1953 io->u.Status = STATUS_SUCCESS;
1954 switch (class)
1955 {
1956 case FileBasicInformation:
1957 if (len >= sizeof(FILE_BASIC_INFORMATION))
1958 {
1959 struct stat st;
1960 const FILE_BASIC_INFORMATION *info = ptr;
1961
1962 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1963 return io->u.Status;
1964
1965 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1966 {
1967 struct timeval tv[2];
1968
1969 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1970 {
1971
1972 tv[0].tv_sec = tv[0].tv_usec = 0;
1973 tv[1].tv_sec = tv[1].tv_usec = 0;
1974 if (!fstat( fd, &st ))
1975 {
1976 tv[0].tv_sec = st.st_atime;
1977 tv[1].tv_sec = st.st_mtime;
1978 }
1979 }
1980 if (info->LastAccessTime.QuadPart)
1981 {
1982 ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
1983 UINT nsec = info->LastAccessTime.QuadPart % 10000000;
1984 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1985 tv[0].tv_usec = nsec / 10;
1986 }
1987 if (info->LastWriteTime.QuadPart)
1988 {
1989 ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
1990 UINT nsec = info->LastWriteTime.QuadPart % 10000000;
1991 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1992 tv[1].tv_usec = nsec / 10;
1993 }
1994 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1995 }
1996
1997 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1998 {
1999 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2000 else
2001 {
2002 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2003 {
2004 if (S_ISDIR( st.st_mode))
2005 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2006 else
2007 st.st_mode &= ~0222; /* clear write permission bits */
2008 }
2009 else
2010 {
2011 /* add write permission only where we already have read permission */
2012 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2013 }
2014 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2015 }
2016 }
2017
2018 if (needs_close) close( fd );
2019 }
2020 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2021 break;
2022
2023 case FilePositionInformation:
2024 if (len >= sizeof(FILE_POSITION_INFORMATION))
2025 {
2026 const FILE_POSITION_INFORMATION *info = ptr;
2027
2028 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2029 return io->u.Status;
2030
2031 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2032 io->u.Status = FILE_GetNtStatus();
2033
2034 if (needs_close) close( fd );
2035 }
2036 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2037 break;
2038
2039 case FileEndOfFileInformation:
2040 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2041 {
2042 struct stat st;
2043 const FILE_END_OF_FILE_INFORMATION *info = ptr;
2044
2045 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2046 return io->u.Status;
2047
2048 /* first try normal truncate */
2049 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2050
2051 /* now check for the need to extend the file */
2052 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2053 {
2054 static const char zero;
2055
2056 /* extend the file one byte beyond the requested size and then truncate it */
2057 /* this should work around ftruncate implementations that can't extend files */
2058 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2059 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2060 }
2061 io->u.Status = FILE_GetNtStatus();
2062
2063 if (needs_close) close( fd );
2064 }
2065 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2066 break;
2067
2068 case FileMailslotSetInformation:
2069 {
2070 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2071
2072 SERVER_START_REQ( set_mailslot_info )
2073 {
2074 req->handle = wine_server_obj_handle( handle );
2075 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2076 req->read_timeout = info->ReadTimeout.QuadPart;
2077 io->u.Status = wine_server_call( req );
2078 }
2079 SERVER_END_REQ;
2080 }
2081 break;
2082
2083 case FileCompletionInformation:
2084 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2085 {
2086 FILE_COMPLETION_INFORMATION *info = ptr;
2087
2088 SERVER_START_REQ( set_completion_info )
2089 {
2090 req->handle = wine_server_obj_handle( handle );
2091 req->chandle = wine_server_obj_handle( info->CompletionPort );
2092 req->ckey = info->CompletionKey;
2093 io->u.Status = wine_server_call( req );
2094 }
2095 SERVER_END_REQ;
2096 } else
2097 io->u.Status = STATUS_INVALID_PARAMETER_3;
2098 break;
2099
2100 default:
2101 FIXME("Unsupported class (%d)\n", class);
2102 io->u.Status = STATUS_NOT_IMPLEMENTED;
2103 break;
2104 }
2105 io->Information = 0;
2106 return io->u.Status;
2107 }
2108
2109
2110 /******************************************************************************
2111 * NtQueryFullAttributesFile (NTDLL.@)
2112 */
2113 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2114 FILE_NETWORK_OPEN_INFORMATION *info )
2115 {
2116 ANSI_STRING unix_name;
2117 NTSTATUS status;
2118
2119 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2120 {
2121 struct stat st;
2122
2123 if (stat( unix_name.Buffer, &st ) == -1)
2124 status = FILE_GetNtStatus();
2125 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2126 status = STATUS_INVALID_INFO_CLASS;
2127 else
2128 {
2129 FILE_BASIC_INFORMATION basic;
2130 FILE_STANDARD_INFORMATION std;
2131
2132 fill_stat_info( &st, &basic, FileBasicInformation );
2133 fill_stat_info( &st, &std, FileStandardInformation );
2134
2135 info->CreationTime = basic.CreationTime;
2136 info->LastAccessTime = basic.LastAccessTime;
2137 info->LastWriteTime = basic.LastWriteTime;
2138 info->ChangeTime = basic.ChangeTime;
2139 info->AllocationSize = std.AllocationSize;
2140 info->EndOfFile = std.EndOfFile;
2141 info->FileAttributes = basic.FileAttributes;
2142 if (DIR_is_hidden_file( attr->ObjectName ))
2143 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2144 }
2145 RtlFreeAnsiString( &unix_name );
2146 }
2147 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2148 return status;
2149 }
2150
2151
2152 /******************************************************************************
2153 * NtQueryAttributesFile (NTDLL.@)
2154 * ZwQueryAttributesFile (NTDLL.@)
2155 */
2156 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2157 {
2158 ANSI_STRING unix_name;
2159 NTSTATUS status;
2160
2161 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2162 {
2163 struct stat st;
2164
2165 if (stat( unix_name.Buffer, &st ) == -1)
2166 status = FILE_GetNtStatus();
2167 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2168 status = STATUS_INVALID_INFO_CLASS;
2169 else
2170 {
2171 status = fill_stat_info( &st, info, FileBasicInformation );
2172 if (DIR_is_hidden_file( attr->ObjectName ))
2173 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2174 }
2175 RtlFreeAnsiString( &unix_name );
2176 }
2177 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2178 return status;
2179 }
2180
2181
2182 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
2183 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2184 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2185 unsigned int flags )
2186 {
2187 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2188 {
2189 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2190 /* Don't assume read-only, let the mount options set it below */
2191 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2192 }
2193 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2194 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2195 {
2196 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2197 info->Characteristics |= FILE_REMOTE_DEVICE;
2198 }
2199 else if (!strcmp("procfs", fstypename))
2200 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2201 else
2202 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2203
2204 if (flags & MNT_RDONLY)
2205 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2206
2207 if (!(flags & MNT_LOCAL))
2208 {
2209 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2210 info->Characteristics |= FILE_REMOTE_DEVICE;
2211 }
2212 }
2213 #endif
2214
2215 static inline int is_device_placeholder( int fd )
2216 {
2217 static const char wine_placeholder[] = "Wine device placeholder";
2218 char buffer[sizeof(wine_placeholder)-1];
2219
2220 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2221 return 0;
2222 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2223 }
2224
2225 /******************************************************************************
2226 * get_device_info
2227 *
2228 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2229 */
2230 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2231 {
2232 struct stat st;
2233
2234 info->Characteristics = 0;
2235 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2236 if (S_ISCHR( st.st_mode ))
2237 {
2238 info->DeviceType = FILE_DEVICE_UNKNOWN;
2239 #ifdef linux
2240 switch(major(st.st_rdev))
2241 {
2242 case MEM_MAJOR:
2243 info->DeviceType = FILE_DEVICE_NULL;
2244 break;
2245 case TTY_MAJOR:
2246 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2247 break;
2248 case LP_MAJOR:
2249 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2250 break;
2251 case SCSI_TAPE_MAJOR:
2252 info->DeviceType = FILE_DEVICE_TAPE;
2253 break;
2254 }
2255 #endif
2256 }
2257 else if (S_ISBLK( st.st_mode ))
2258 {
2259 info->DeviceType = FILE_DEVICE_DISK;
2260 }
2261 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2262 {
2263 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2264 }
2265 else if (is_device_placeholder( fd ))
2266 {
2267 info->DeviceType = FILE_DEVICE_DISK;
2268 }
2269 else /* regular file or directory */
2270 {
2271 #if defined(linux) && defined(HAVE_FSTATFS)
2272 struct statfs stfs;
2273
2274 /* check for floppy disk */
2275 if (major(st.st_dev) == FLOPPY_MAJOR)
2276 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2277
2278 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2279 switch (stfs.f_type)
2280 {
2281 case 0x9660: /* iso9660 */
2282 case 0x9fa1: /* supermount */
2283 case 0x15013346: /* udf */
2284 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2285 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2286 break;
2287 case 0x6969: /* nfs */
2288 case 0x517B: /* smbfs */
2289 case 0x564c: /* ncpfs */
2290 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2291 info->Characteristics |= FILE_REMOTE_DEVICE;
2292 break;
2293 case 0x01021994: /* tmpfs */
2294 case 0x28cd3d45: /* cramfs */
2295 case 0x1373: /* devfs */
2296 case 0x9fa0: /* procfs */
2297 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2298 break;
2299 default:
2300 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2301 break;
2302 }
2303 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
2304 struct statfs stfs;
2305
2306 if (fstatfs( fd, &stfs ) < 0)
2307 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2308 else
2309 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2310 #elif defined(__NetBSD__)
2311 struct statvfs stfs;
2312
2313 if (fstatvfs( fd, &stfs) < 0)
2314 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2315 else
2316 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2317 #elif defined(sun)
2318 /* Use dkio to work out device types */
2319 {
2320 # include <sys/dkio.h>
2321 # include <sys/vtoc.h>
2322 struct dk_cinfo dkinf;
2323 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2324 if(retval==-1){
2325 WARN("Unable to get disk device type information - assuming a disk like device\n");
2326 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2327 }
2328 switch (dkinf.dki_ctype)
2329 {
2330 case DKC_CDROM:
2331 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2332 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2333 break;
2334 case DKC_NCRFLOPPY:
2335 case DKC_SMSFLOPPY:
2336 case DKC_INTEL82072:
2337 case DKC_INTEL82077:
2338 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2339 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2340 break;
2341 case DKC_MD:
2342 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2343 break;
2344 default:
2345 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2346 }
2347 }
2348 #else
2349 static int warned;
2350 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2351 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2352 #endif
2353 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2354 }
2355 return STATUS_SUCCESS;
2356 }
2357
2358
2359 /******************************************************************************
2360 * NtQueryVolumeInformationFile [NTDLL.@]
2361 * ZwQueryVolumeInformationFile [NTDLL.@]
2362 *
2363 * Get volume information for an open file handle.
2364 *
2365 * PARAMS
2366 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2367 * io [O] Receives information about the operation on return
2368 * buffer [O] Destination for volume information
2369 * length [I] Size of FsInformation
2370 * info_class [I] Type of volume information to set
2371 *
2372 * RETURNS
2373 * Success: 0. io and buffer are updated.
2374 * Failure: An NTSTATUS error code describing the error.
2375 */
2376 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2377 PVOID buffer, ULONG length,
2378 FS_INFORMATION_CLASS info_class )
2379 {
2380 int fd, needs_close;
2381 struct stat st;
2382 static int once;
2383
2384 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2385 return io->u.Status;
2386
2387 io->u.Status = STATUS_NOT_IMPLEMENTED;
2388 io->Information = 0;
2389
2390 switch( info_class )
2391 {
2392 case FileFsVolumeInformation:
2393 if (!once++) FIXME( "%p: volume info not supported\n", handle );
2394 break;
2395 case FileFsLabelInformation:
2396 FIXME( "%p: label info not supported\n", handle );
2397 break;
2398 case FileFsSizeInformation:
2399 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2400 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2401 else
2402 {
2403 FILE_FS_SIZE_INFORMATION *info = buffer;
2404
2405 if (fstat( fd, &st ) < 0)
2406 {
2407 io->u.Status = FILE_GetNtStatus();
2408 break;
2409 }
2410 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2411 {
2412 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2413 }
2414 else
2415 {
2416 ULONGLONG bsize;
2417 /* Linux's fstatvfs is buggy */
2418 #if !defined(linux) || !defined(HAVE_FSTATFS)
2419 struct statvfs stfs;
2420
2421 if (fstatvfs( fd, &stfs ) < 0)
2422 {
2423 io->u.Status = FILE_GetNtStatus();
2424 break;
2425 }
2426 bsize = stfs.f_frsize;
2427 #else
2428 struct statfs stfs;
2429 if (fstatfs( fd, &stfs ) < 0)
2430 {
2431 io->u.Status = FILE_GetNtStatus();
2432 break;
2433 }
2434 bsize = stfs.f_bsize;
2435 #endif
2436 if (bsize == 2048) /* assume CD-ROM */
2437 {
2438 info->BytesPerSector = 2048;
2439 info->SectorsPerAllocationUnit = 1;
2440 }
2441 else
2442 {
2443 info->BytesPerSector = 512;
2444 info->SectorsPerAllocationUnit = 8;
2445 }
2446 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2447 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2448 io->Information = sizeof(*info);
2449 io->u.Status = STATUS_SUCCESS;
2450 }
2451 }
2452 break;
2453 case FileFsDeviceInformation:
2454 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2455 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2456 else
2457 {
2458 FILE_FS_DEVICE_INFORMATION *info = buffer;
2459
2460 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2461 io->Information = sizeof(*info);
2462 }
2463 break;
2464 case FileFsAttributeInformation:
2465 FIXME( "%p: attribute info not supported\n", handle );
2466 break;
2467 case FileFsControlInformation:
2468 FIXME( "%p: control info not supported\n", handle );
2469 break;
2470 case FileFsFullSizeInformation:
2471 FIXME( "%p: full size info not supported\n", handle );
2472 break;
2473 case FileFsObjectIdInformation:
2474 FIXME( "%p: object id info not supported\n", handle );
2475 break;
2476 case FileFsMaximumInformation:
2477 FIXME( "%p: maximum info not supported\n", handle );
2478 break;
2479 default:
2480 io->u.Status = STATUS_INVALID_PARAMETER;
2481 break;
2482 }
2483 if (needs_close) close( fd );
2484 return io->u.Status;
2485 }
2486
2487
2488 /******************************************************************
2489 * NtQueryEaFile (NTDLL.@)
2490 *
2491 * Read extended attributes from NTFS files.
2492 *
2493 * PARAMS
2494 * hFile [I] File handle, must be opened with FILE_READ_EA access
2495 * iosb [O] Receives information about the operation on return
2496 * buffer [O] Output buffer
2497 * length [I] Length of output buffer
2498 * single_entry [I] Only read and return one entry
2499 * ea_list [I] Optional list with names of EAs to return
2500 * ea_list_len [I] Length of ea_list in bytes
2501 * ea_index [I] Optional pointer to 1-based index of attribute to return
2502 * restart [I] restart EA scan
2503 *
2504 * RETURNS
2505 * Success: 0. Atrributes read into buffer
2506 * Failure: An NTSTATUS error code describing the error.
2507 */
2508 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2509 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2510 PULONG ea_index, BOOLEAN restart )
2511 {
2512 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2513 hFile, iosb, buffer, length, single_entry, ea_list,
2514 ea_list_len, ea_index, restart);
2515 return STATUS_ACCESS_DENIED;
2516 }
2517
2518
2519 /******************************************************************
2520 * NtSetEaFile (NTDLL.@)
2521 *
2522 * Update extended attributes for NTFS files.
2523 *
2524 * PARAMS
2525 * hFile [I] File handle, must be opened with FILE_READ_EA access
2526 * iosb [O] Receives information about the operation on return
2527 * buffer [I] Buffer with EA information
2528 * length [I] Length of buffer
2529 *
2530 * RETURNS
2531 * Success: 0. Attributes are updated
2532 * Failure: An NTSTATUS error code describing the error.
2533 */
2534 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2535 {
2536 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2537 return STATUS_ACCESS_DENIED;
2538 }
2539
2540
2541 /******************************************************************
2542 * NtFlushBuffersFile (NTDLL.@)
2543 *
2544 * Flush any buffered data on an open file handle.
2545 *
2546 * PARAMS
2547 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2548 * IoStatusBlock [O] Receives information about the operation on return
2549 *
2550 * RETURNS
2551 * Success: 0. IoStatusBlock is updated.
2552 * Failure: An NTSTATUS error code describing the error.
2553 */
2554 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2555 {
2556 NTSTATUS ret;
2557 HANDLE hEvent = NULL;
2558
2559 SERVER_START_REQ( flush_file )
2560 {
2561 req->handle = wine_server_obj_handle( hFile );
2562 ret = wine_server_call( req );
2563 hEvent = wine_server_ptr_handle( reply->event );
2564 }
2565 SERVER_END_REQ;
2566 if (!ret && hEvent)
2567 {
2568 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2569 NtClose( hEvent );
2570 }
2571 return ret;
2572 }
2573
2574 /******************************************************************
2575 * NtLockFile (NTDLL.@)
2576 *
2577 *
2578 */
2579 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2580 PIO_APC_ROUTINE apc, void* apc_user,
2581 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2582 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2583 BOOLEAN exclusive )
2584 {
2585 NTSTATUS ret;
2586 HANDLE handle;
2587 BOOLEAN async;
2588 static BOOLEAN warn = TRUE;
2589
2590 if (apc || io_status || key)
2591 {
2592 FIXME("Unimplemented yet parameter\n");
2593 return STATUS_NOT_IMPLEMENTED;
2594 }
2595
2596 if (apc_user && warn)
2597 {
2598 FIXME("I/O completion on lock not implemented yet\n");
2599 warn = FALSE;
2600 }
2601
2602 for (;;)
2603 {
2604 SERVER_START_REQ( lock_file )
2605 {
2606 req->handle = wine_server_obj_handle( hFile );
2607 req->offset = offset->QuadPart;
2608 req->count = count->QuadPart;
2609 req->shared = !exclusive;
2610 req->wait = !dont_wait;
2611 ret = wine_server_call( req );
2612 handle = wine_server_ptr_handle( reply->handle );
2613 async = reply->overlapped;
2614 }
2615 SERVER_END_REQ;
2616 if (ret != STATUS_PENDING)
2617 {
2618 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2619 return ret;
2620 }
2621
2622 if (async)
2623 {
2624 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2625 if (handle) NtClose( handle );
2626 return STATUS_PENDING;
2627 }
2628 if (handle)
2629 {
2630 NtWaitForSingleObject( handle, FALSE, NULL );
2631 NtClose( handle );
2632 }
2633 else
2634 {
2635 LARGE_INTEGER time;
2636
2637 /* Unix lock conflict, sleep a bit and retry */
2638 time.QuadPart = 100 * (ULONGLONG)10000;
2639 time.QuadPart = -time.QuadPart;
2640 NtDelayExecution( FALSE, &time );
2641 }
2642 }
2643 }
2644
2645
2646 /******************************************************************
2647 * NtUnlockFile (NTDLL.@)
2648 *
2649 *
2650 */
2651 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2652 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2653 PULONG key )
2654 {
2655 NTSTATUS status;
2656
2657 TRACE( "%p %x%08x %x%08x\n",
2658 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2659
2660 if (io_status || key)
2661 {
2662 FIXME("Unimplemented yet parameter\n");
2663 return STATUS_NOT_IMPLEMENTED;
2664 }
2665
2666 SERVER_START_REQ( unlock_file )
2667 {
2668 req->handle = wine_server_obj_handle( hFile );
2669 req->offset = offset->QuadPart;
2670 req->count = count->QuadPart;
2671 status = wine_server_call( req );
2672 }
2673 SERVER_END_REQ;
2674 return status;
2675 }
2676
2677 /******************************************************************
2678 * NtCreateNamedPipeFile (NTDLL.@)
2679 *
2680 *
2681 */
2682 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2683 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2684 ULONG sharing, ULONG dispo, ULONG options,
2685 ULONG pipe_type, ULONG read_mode,
2686 ULONG completion_mode, ULONG max_inst,
2687 ULONG inbound_quota, ULONG outbound_quota,
2688 PLARGE_INTEGER timeout)
2689 {
2690 NTSTATUS status;
2691
2692 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2693 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2694 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2695 outbound_quota, timeout);
2696
2697 /* assume we only get relative timeout */
2698 if (timeout->QuadPart > 0)
2699 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2700
2701 SERVER_START_REQ( create_named_pipe )
2702 {
2703 req->access = access;
2704 req->attributes = attr->Attributes;
2705 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2706 req->options = options;
2707 req->flags =
2708 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2709 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2710 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2711 req->maxinstances = max_inst;
2712 req->outsize = outbound_quota;
2713 req->insize = inbound_quota;
2714 req->timeout = timeout->QuadPart;
2715 wine_server_add_data( req, attr->ObjectName->Buffer,
2716 attr->ObjectName->Length );
2717 status = wine_server_call( req );
2718 if (!status) *handle = wine_server_ptr_handle( reply->handle );
2719 }
2720 SERVER_END_REQ;
2721 return status;
2722 }
2723
2724 /******************************************************************
2725 * NtDeleteFile (NTDLL.@)
2726 *
2727 *
2728 */
2729 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2730 {
2731 NTSTATUS status;
2732 HANDLE hFile;
2733 IO_STATUS_BLOCK io;
2734
2735 TRACE("%p\n", ObjectAttributes);
2736 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2737 ObjectAttributes, &io, NULL, 0,
2738 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2739 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2740 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2741 return status;
2742 }
2743
2744 /******************************************************************
2745 * NtCancelIoFileEx (NTDLL.@)
2746 *
2747 *
2748 */
2749 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2750 {
2751 LARGE_INTEGER timeout;
2752
2753 TRACE("%p %p %p\n", hFile, iosb, io_status );
2754
2755 SERVER_START_REQ( cancel_async )
2756 {
2757 req->handle = wine_server_obj_handle( hFile );
2758 req->iosb = wine_server_client_ptr( iosb );
2759 req->only_thread = FALSE;
2760 io_status->u.Status = wine_server_call( req );
2761 }
2762 SERVER_END_REQ;
2763 if (io_status->u.Status)
2764 return io_status->u.Status;
2765
2766 /* Let some APC be run, so that we can run the remaining APCs on hFile
2767 * either the cancelation of the pending one, but also the execution
2768 * of the queued APC, but not yet run. This is needed to ensure proper
2769 * clean-up of allocated data.
2770 */
2771 timeout.u.LowPart = timeout.u.HighPart = 0;
2772 NtDelayExecution( TRUE, &timeout );
2773 return io_status->u.Status;
2774 }
2775
2776 /******************************************************************
2777 * NtCancelIoFile (NTDLL.@)
2778 *
2779 *
2780 */
2781 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2782 {
2783 LARGE_INTEGER timeout;
2784
2785 TRACE("%p %p\n", hFile, io_status );
2786
2787 SERVER_START_REQ( cancel_async )
2788 {
2789 req->handle = wine_server_obj_handle( hFile );
2790 req->iosb = 0;
2791 req->only_thread = TRUE;
2792 io_status->u.Status = wine_server_call( req );
2793 }
2794 SERVER_END_REQ;
2795 if (io_status->u.Status)
2796 return io_status->u.Status;
2797
2798 /* Let some APC be run, so that we can run the remaining APCs on hFile
2799 * either the cancelation of the pending one, but also the execution
2800 * of the queued APC, but not yet run. This is needed to ensure proper
2801 * clean-up of allocated data.
2802 */
2803 timeout.u.LowPart = timeout.u.HighPart = 0;
2804 NtDelayExecution( TRUE, &timeout );
2805 return io_status->u.Status;
2806 }
2807
2808 /******************************************************************************
2809 * NtCreateMailslotFile [NTDLL.@]
2810 * ZwCreateMailslotFile [NTDLL.@]
2811 *
2812 * PARAMS
2813 * pHandle [O] pointer to receive the handle created
2814 * DesiredAccess [I] access mode (read, write, etc)
2815 * ObjectAttributes [I] fully qualified NT path of the mailslot
2816 * IoStatusBlock [O] receives completion status and other info
2817 * CreateOptions [I]
2818 * MailslotQuota [I]
2819 * MaxMessageSize [I]
2820 * TimeOut [I]
2821 *
2822 * RETURNS
2823 * An NT status code
2824 */
2825 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2826 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2827 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2828 PLARGE_INTEGER TimeOut)
2829 {
2830 LARGE_INTEGER timeout;
2831 NTSTATUS ret;
2832
2833 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2834 pHandle, DesiredAccess, attr, IoStatusBlock,
2835 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2836
2837 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2838 if (!attr) return STATUS_INVALID_PARAMETER;
2839 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2840
2841 /*
2842 * For a NULL TimeOut pointer set the default timeout value
2843 */
2844 if (!TimeOut)
2845 timeout.QuadPart = -1;
2846 else
2847 timeout.QuadPart = TimeOut->QuadPart;
2848
2849 SERVER_START_REQ( create_mailslot )
2850 {
2851 req->access = DesiredAccess;
2852 req->attributes = attr->Attributes;
2853 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2854 req->max_msgsize = MaxMessageSize;
2855 req->read_timeout = timeout.QuadPart;
2856 wine_server_add_data( req, attr->ObjectName->Buffer,
2857 attr->ObjectName->Length );
2858 ret = wine_server_call( req );
2859 if( ret == STATUS_SUCCESS )
2860 *pHandle = wine_server_ptr_handle( reply->handle );
2861 }
2862 SERVER_END_REQ;
2863
2864 return ret;
2865 }
useful hacks and other patches not (yet) suitable for mainline