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gdi32: Return a new path from PATH_FlattenPath instead of replacing the DC path.
[wine/multimedia.git] / dlls / ntdll / file.c
blob744e09f103a27e480aca02af2deae852b5292e56
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 #ifdef ETIME /* Missing on FreeBSD */
351 case ETIME: return STATUS_IO_TIMEOUT;
352 #endif
353 case ENOEXEC: /* ?? */
354 case EEXIST: /* ?? */
355 default:
356 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
357 return STATUS_UNSUCCESSFUL;
358 }
359 }
360
361 /***********************************************************************
362 * FILE_AsyncReadService (INTERNAL)
363 */
364 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
365 {
366 async_fileio_read *fileio = user;
367 int fd, needs_close, result;
368
369 switch (status)
370 {
371 case STATUS_ALERTED: /* got some new data */
372 /* check to see if the data is ready (non-blocking) */
373 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
374 &needs_close, NULL, NULL )))
375 break;
376
377 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
378 if (needs_close) close( fd );
379
380 if (result < 0)
381 {
382 if (errno == EAGAIN || errno == EINTR)
383 status = STATUS_PENDING;
384 else /* check to see if the transfer is complete */
385 status = FILE_GetNtStatus();
386 }
387 else if (result == 0)
388 {
389 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
390 }
391 else
392 {
393 fileio->already += result;
394 if (fileio->already >= fileio->count || fileio->avail_mode)
395 status = STATUS_SUCCESS;
396 else
397 {
398 /* if we only have to read the available data, and none is available,
399 * simply cancel the request. If data was available, it has been read
400 * while in by previous call (NtDelayExecution)
401 */
402 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
403 }
404 }
405 break;
406
407 case STATUS_TIMEOUT:
408 case STATUS_IO_TIMEOUT:
409 if (fileio->already) status = STATUS_SUCCESS;
410 break;
411 }
412 if (status != STATUS_PENDING)
413 {
414 iosb->u.Status = status;
415 iosb->Information = fileio->already;
416 *apc = fileio_apc;
417 }
418 return status;
419 }
420
421 struct io_timeouts
422 {
423 int interval; /* max interval between two bytes */
424 int total; /* total timeout for the whole operation */
425 int end_time; /* absolute time of end of operation */
426 };
427
428 /* retrieve the I/O timeouts to use for a given handle */
429 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
430 struct io_timeouts *timeouts )
431 {
432 NTSTATUS status = STATUS_SUCCESS;
433
434 timeouts->interval = timeouts->total = -1;
435
436 switch(type)
437 {
438 case FD_TYPE_SERIAL:
439 {
440 /* GetCommTimeouts */
441 SERIAL_TIMEOUTS st;
442 IO_STATUS_BLOCK io;
443
444 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
445 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
446 if (status) break;
447
448 if (is_read)
449 {
450 if (st.ReadIntervalTimeout)
451 timeouts->interval = st.ReadIntervalTimeout;
452
453 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
454 {
455 timeouts->total = st.ReadTotalTimeoutConstant;
456 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
457 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
458 }
459 else if (st.ReadIntervalTimeout == MAXDWORD)
460 timeouts->interval = timeouts->total = 0;
461 }
462 else /* write */
463 {
464 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
465 {
466 timeouts->total = st.WriteTotalTimeoutConstant;
467 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
468 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
469 }
470 }
471 }
472 break;
473 case FD_TYPE_MAILSLOT:
474 if (is_read)
475 {
476 timeouts->interval = 0; /* return as soon as we got something */
477 SERVER_START_REQ( set_mailslot_info )
478 {
479 req->handle = wine_server_obj_handle( handle );
480 req->flags = 0;
481 if (!(status = wine_server_call( req )) &&
482 reply->read_timeout != TIMEOUT_INFINITE)
483 timeouts->total = reply->read_timeout / -10000;
484 }
485 SERVER_END_REQ;
486 }
487 break;
488 case FD_TYPE_SOCKET:
489 case FD_TYPE_PIPE:
490 case FD_TYPE_CHAR:
491 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
492 break;
493 default:
494 break;
495 }
496 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
497 return STATUS_SUCCESS;
498 }
499
500
501 /* retrieve the timeout for the next wait, in milliseconds */
502 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
503 {
504 int ret = -1;
505
506 if (timeouts->total != -1)
507 {
508 ret = timeouts->end_time - NtGetTickCount();
509 if (ret < 0) ret = 0;
510 }
511 if (already && timeouts->interval != -1)
512 {
513 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
514 }
515 return ret;
516 }
517
518
519 /* retrieve the avail_mode flag for async reads */
520 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
521 {
522 NTSTATUS status = STATUS_SUCCESS;
523
524 switch(type)
525 {
526 case FD_TYPE_SERIAL:
527 {
528 /* GetCommTimeouts */
529 SERIAL_TIMEOUTS st;
530 IO_STATUS_BLOCK io;
531
532 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
533 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
534 if (status) break;
535 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
536 !st.ReadTotalTimeoutConstant &&
537 st.ReadIntervalTimeout == MAXDWORD);
538 }
539 break;
540 case FD_TYPE_MAILSLOT:
541 case FD_TYPE_SOCKET:
542 case FD_TYPE_PIPE:
543 case FD_TYPE_CHAR:
544 *avail_mode = TRUE;
545 break;
546 default:
547 *avail_mode = FALSE;
548 break;
549 }
550 return status;
551 }
552
553
554 /******************************************************************************
555 * NtReadFile [NTDLL.@]
556 * ZwReadFile [NTDLL.@]
557 *
558 * Read from an open file handle.
559 *
560 * PARAMS
561 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
562 * Event [I] Event to signal upon completion (or NULL)
563 * ApcRoutine [I] Callback to call upon completion (or NULL)
564 * ApcContext [I] Context for ApcRoutine (or NULL)
565 * IoStatusBlock [O] Receives information about the operation on return
566 * Buffer [O] Destination for the data read
567 * Length [I] Size of Buffer
568 * ByteOffset [O] Destination for the new file pointer position (or NULL)
569 * Key [O] Function unknown (may be NULL)
570 *
571 * RETURNS
572 * Success: 0. IoStatusBlock is updated, and the Information member contains
573 * The number of bytes read.
574 * Failure: An NTSTATUS error code describing the error.
575 */
576 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
577 PIO_APC_ROUTINE apc, void* apc_user,
578 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
579 PLARGE_INTEGER offset, PULONG key)
580 {
581 int result, unix_handle, needs_close, timeout_init_done = 0;
582 unsigned int options;
583 struct io_timeouts timeouts;
584 NTSTATUS status;
585 ULONG total = 0;
586 enum server_fd_type type;
587 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
588 BOOL send_completion = FALSE;
589
590 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
591 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
592
593 if (!io_status) return STATUS_ACCESS_VIOLATION;
594
595 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
596 &needs_close, &type, &options );
597 if (status) return status;
598
599 if (!virtual_check_buffer_for_write( buffer, length ))
600 {
601 status = STATUS_ACCESS_VIOLATION;
602 goto done;
603 }
604
605 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
606 {
607 /* async I/O doesn't make sense on regular files */
608 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
609 {
610 if (errno != EINTR)
611 {
612 status = FILE_GetNtStatus();
613 goto done;
614 }
615 }
616 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
617 /* update file pointer position */
618 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
619
620 total = result;
621 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
622 goto done;
623 }
624
625 for (;;)
626 {
627 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
628 {
629 total += result;
630 if (!result || total == length)
631 {
632 if (total)
633 {
634 status = STATUS_SUCCESS;
635 goto done;
636 }
637 switch (type)
638 {
639 case FD_TYPE_FILE:
640 case FD_TYPE_CHAR:
641 status = STATUS_END_OF_FILE;
642 goto done;
643 case FD_TYPE_SERIAL:
644 break;
645 default:
646 status = STATUS_PIPE_BROKEN;
647 goto done;
648 }
649 }
650 else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
651 }
652 else if (errno != EAGAIN)
653 {
654 if (errno == EINTR) continue;
655 if (!total) status = FILE_GetNtStatus();
656 goto done;
657 }
658
659 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
660 {
661 async_fileio_read *fileio;
662 BOOL avail_mode;
663
664 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
665 goto err;
666 if (total && avail_mode)
667 {
668 status = STATUS_SUCCESS;
669 goto done;
670 }
671
672 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
673 {
674 status = STATUS_NO_MEMORY;
675 goto err;
676 }
677 fileio->io.handle = hFile;
678 fileio->io.apc = apc;
679 fileio->io.apc_arg = apc_user;
680 fileio->already = total;
681 fileio->count = length;
682 fileio->buffer = buffer;
683 fileio->avail_mode = avail_mode;
684
685 SERVER_START_REQ( register_async )
686 {
687 req->type = ASYNC_TYPE_READ;
688 req->count = length;
689 req->async.handle = wine_server_obj_handle( hFile );
690 req->async.event = wine_server_obj_handle( hEvent );
691 req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
692 req->async.iosb = wine_server_client_ptr( io_status );
693 req->async.arg = wine_server_client_ptr( fileio );
694 req->async.cvalue = cvalue;
695 status = wine_server_call( req );
696 }
697 SERVER_END_REQ;
698
699 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
700 goto err;
701 }
702 else /* synchronous read, wait for the fd to become ready */
703 {
704 struct pollfd pfd;
705 int ret, timeout;
706
707 if (!timeout_init_done)
708 {
709 timeout_init_done = 1;
710 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
711 goto err;
712 if (hEvent) NtResetEvent( hEvent, NULL );
713 }
714 timeout = get_next_io_timeout( &timeouts, total );
715
716 pfd.fd = unix_handle;
717 pfd.events = POLLIN;
718
719 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
720 {
721 if (total) /* return with what we got so far */
722 status = STATUS_SUCCESS;
723 else
724 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
725 goto done;
726 }
727 if (ret == -1 && errno != EINTR)
728 {
729 status = FILE_GetNtStatus();
730 goto done;
731 }
732 /* will now restart the read */
733 }
734 }
735
736 done:
737 send_completion = cvalue != 0;
738
739 err:
740 if (needs_close) close( unix_handle );
741 if (status == STATUS_SUCCESS)
742 {
743 io_status->u.Status = status;
744 io_status->Information = total;
745 TRACE("= SUCCESS (%u)\n", total);
746 if (hEvent) NtSetEvent( hEvent, NULL );
747 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
748 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
749 }
750 else
751 {
752 TRACE("= 0x%08x\n", status);
753 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
754 }
755
756 if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
757
758 return status;
759 }
760
761
762 /******************************************************************************
763 * NtReadFileScatter [NTDLL.@]
764 * ZwReadFileScatter [NTDLL.@]
765 */
766 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
767 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
768 ULONG length, PLARGE_INTEGER offset, PULONG key )
769 {
770 size_t page_size = getpagesize();
771 int result, unix_handle, needs_close;
772 unsigned int options;
773 NTSTATUS status;
774 ULONG pos = 0, total = 0;
775 enum server_fd_type type;
776 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
777 BOOL send_completion = FALSE;
778
779 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
780 file, event, apc, apc_user, io_status, segments, length, offset, key);
781
782 if (length % page_size) return STATUS_INVALID_PARAMETER;
783 if (!io_status) return STATUS_ACCESS_VIOLATION;
784
785 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
786 &needs_close, &type, &options );
787 if (status) return status;
788
789 if ((type != FD_TYPE_FILE) ||
790 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
791 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
792 {
793 status = STATUS_INVALID_PARAMETER;
794 goto error;
795 }
796
797 while (length)
798 {
799 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
800 result = pread( unix_handle, (char *)segments->Buffer + pos,
801 page_size - pos, offset->QuadPart + total );
802 else
803 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
804
805 if (result == -1)
806 {
807 if (errno == EINTR) continue;
808 status = FILE_GetNtStatus();
809 break;
810 }
811 if (!result)
812 {
813 status = STATUS_END_OF_FILE;
814 break;
815 }
816 total += result;
817 length -= result;
818 if ((pos += result) == page_size)
819 {
820 pos = 0;
821 segments++;
822 }
823 }
824
825 send_completion = cvalue != 0;
826
827 error:
828 if (needs_close) close( unix_handle );
829 if (status == STATUS_SUCCESS)
830 {
831 io_status->u.Status = status;
832 io_status->Information = total;
833 TRACE("= SUCCESS (%u)\n", total);
834 if (event) NtSetEvent( event, NULL );
835 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
836 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
837 }
838 else
839 {
840 TRACE("= 0x%08x\n", status);
841 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
842 }
843
844 if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
845
846 return status;
847 }
848
849
850 /***********************************************************************
851 * FILE_AsyncWriteService (INTERNAL)
852 */
853 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
854 {
855 async_fileio_write *fileio = user;
856 int result, fd, needs_close;
857 enum server_fd_type type;
858
859 switch (status)
860 {
861 case STATUS_ALERTED:
862 /* write some data (non-blocking) */
863 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
864 &needs_close, &type, NULL )))
865 break;
866
867 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
868 result = send( fd, fileio->buffer, 0, 0 );
869 else
870 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
871
872 if (needs_close) close( fd );
873
874 if (result < 0)
875 {
876 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
877 else status = FILE_GetNtStatus();
878 }
879 else
880 {
881 fileio->already += result;
882 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
883 }
884 break;
885
886 case STATUS_TIMEOUT:
887 case STATUS_IO_TIMEOUT:
888 if (fileio->already) status = STATUS_SUCCESS;
889 break;
890 }
891 if (status != STATUS_PENDING)
892 {
893 iosb->u.Status = status;
894 iosb->Information = fileio->already;
895 *apc = fileio_apc;
896 }
897 return status;
898 }
899
900 /******************************************************************************
901 * NtWriteFile [NTDLL.@]
902 * ZwWriteFile [NTDLL.@]
903 *
904 * Write to an open file handle.
905 *
906 * PARAMS
907 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
908 * Event [I] Event to signal upon completion (or NULL)
909 * ApcRoutine [I] Callback to call upon completion (or NULL)
910 * ApcContext [I] Context for ApcRoutine (or NULL)
911 * IoStatusBlock [O] Receives information about the operation on return
912 * Buffer [I] Source for the data to write
913 * Length [I] Size of Buffer
914 * ByteOffset [O] Destination for the new file pointer position (or NULL)
915 * Key [O] Function unknown (may be NULL)
916 *
917 * RETURNS
918 * Success: 0. IoStatusBlock is updated, and the Information member contains
919 * The number of bytes written.
920 * Failure: An NTSTATUS error code describing the error.
921 */
922 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
923 PIO_APC_ROUTINE apc, void* apc_user,
924 PIO_STATUS_BLOCK io_status,
925 const void* buffer, ULONG length,
926 PLARGE_INTEGER offset, PULONG key)
927 {
928 int result, unix_handle, needs_close, timeout_init_done = 0;
929 unsigned int options;
930 struct io_timeouts timeouts;
931 NTSTATUS status;
932 ULONG total = 0;
933 enum server_fd_type type;
934 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
935 BOOL send_completion = FALSE;
936
937 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
938 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
939
940 if (!io_status) return STATUS_ACCESS_VIOLATION;
941
942 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
943 &needs_close, &type, &options );
944 if (status) return status;
945
946 if (!virtual_check_buffer_for_read( buffer, length ))
947 {
948 status = STATUS_INVALID_USER_BUFFER;
949 goto done;
950 }
951
952 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
953 {
954 /* async I/O doesn't make sense on regular files */
955 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
956 {
957 if (errno != EINTR)
958 {
959 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
960 else status = FILE_GetNtStatus();
961 goto done;
962 }
963 }
964
965 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
966 /* update file pointer position */
967 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
968
969 total = result;
970 status = STATUS_SUCCESS;
971 goto done;
972 }
973
974 for (;;)
975 {
976 /* zero-length writes on sockets may not work with plain write(2) */
977 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
978 result = send( unix_handle, buffer, 0, 0 );
979 else
980 result = write( unix_handle, (const char *)buffer + total, length - total );
981
982 if (result >= 0)
983 {
984 total += result;
985 if (total == length)
986 {
987 status = STATUS_SUCCESS;
988 goto done;
989 }
990 if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
991 }
992 else if (errno != EAGAIN)
993 {
994 if (errno == EINTR) continue;
995 if (!total)
996 {
997 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
998 else status = FILE_GetNtStatus();
999 }
1000 goto done;
1001 }
1002
1003 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
1004 {
1005 async_fileio_write *fileio;
1006
1007 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
1008 {
1009 status = STATUS_NO_MEMORY;
1010 goto err;
1011 }
1012 fileio->io.handle = hFile;
1013 fileio->io.apc = apc;
1014 fileio->io.apc_arg = apc_user;
1015 fileio->already = total;
1016 fileio->count = length;
1017 fileio->buffer = buffer;
1018
1019 SERVER_START_REQ( register_async )
1020 {
1021 req->type = ASYNC_TYPE_WRITE;
1022 req->count = length;
1023 req->async.handle = wine_server_obj_handle( hFile );
1024 req->async.event = wine_server_obj_handle( hEvent );
1025 req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
1026 req->async.iosb = wine_server_client_ptr( io_status );
1027 req->async.arg = wine_server_client_ptr( fileio );
1028 req->async.cvalue = cvalue;
1029 status = wine_server_call( req );
1030 }
1031 SERVER_END_REQ;
1032
1033 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1034 goto err;
1035 }
1036 else /* synchronous write, wait for the fd to become ready */
1037 {
1038 struct pollfd pfd;
1039 int ret, timeout;
1040
1041 if (!timeout_init_done)
1042 {
1043 timeout_init_done = 1;
1044 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1045 goto err;
1046 if (hEvent) NtResetEvent( hEvent, NULL );
1047 }
1048 timeout = get_next_io_timeout( &timeouts, total );
1049
1050 pfd.fd = unix_handle;
1051 pfd.events = POLLOUT;
1052
1053 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1054 {
1055 /* return with what we got so far */
1056 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1057 goto done;
1058 }
1059 if (ret == -1 && errno != EINTR)
1060 {
1061 status = FILE_GetNtStatus();
1062 goto done;
1063 }
1064 /* will now restart the write */
1065 }
1066 }
1067
1068 done:
1069 send_completion = cvalue != 0;
1070
1071 err:
1072 if (needs_close) close( unix_handle );
1073 if (status == STATUS_SUCCESS)
1074 {
1075 io_status->u.Status = status;
1076 io_status->Information = total;
1077 TRACE("= SUCCESS (%u)\n", total);
1078 if (hEvent) NtSetEvent( hEvent, NULL );
1079 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1080 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1081 }
1082 else
1083 {
1084 TRACE("= 0x%08x\n", status);
1085 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1086 }
1087
1088 if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total );
1089
1090 return status;
1091 }
1092
1093
1094 /******************************************************************************
1095 * NtWriteFileGather [NTDLL.@]
1096 * ZwWriteFileGather [NTDLL.@]
1097 */
1098 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1099 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1100 ULONG length, PLARGE_INTEGER offset, PULONG key )
1101 {
1102 size_t page_size = getpagesize();
1103 int result, unix_handle, needs_close;
1104 unsigned int options;
1105 NTSTATUS status;
1106 ULONG pos = 0, total = 0;
1107 enum server_fd_type type;
1108 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1109 BOOL send_completion = FALSE;
1110
1111 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1112 file, event, apc, apc_user, io_status, segments, length, offset, key);
1113
1114 if (length % page_size) return STATUS_INVALID_PARAMETER;
1115 if (!io_status) return STATUS_ACCESS_VIOLATION;
1116
1117 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1118 &needs_close, &type, &options );
1119 if (status) return status;
1120
1121 if ((type != FD_TYPE_FILE) ||
1122 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1123 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1124 {
1125 status = STATUS_INVALID_PARAMETER;
1126 goto error;
1127 }
1128
1129 while (length)
1130 {
1131 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1132 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1133 page_size - pos, offset->QuadPart + total );
1134 else
1135 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1136
1137 if (result == -1)
1138 {
1139 if (errno == EINTR) continue;
1140 if (errno == EFAULT)
1141 {
1142 status = STATUS_INVALID_USER_BUFFER;
1143 goto error;
1144 }
1145 status = FILE_GetNtStatus();
1146 break;
1147 }
1148 if (!result)
1149 {
1150 status = STATUS_DISK_FULL;
1151 break;
1152 }
1153 total += result;
1154 length -= result;
1155 if ((pos += result) == page_size)
1156 {
1157 pos = 0;
1158 segments++;
1159 }
1160 }
1161
1162 send_completion = cvalue != 0;
1163
1164 error:
1165 if (needs_close) close( unix_handle );
1166 if (status == STATUS_SUCCESS)
1167 {
1168 io_status->u.Status = status;
1169 io_status->Information = total;
1170 TRACE("= SUCCESS (%u)\n", total);
1171 if (event) NtSetEvent( event, NULL );
1172 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1173 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1174 }
1175 else
1176 {
1177 TRACE("= 0x%08x\n", status);
1178 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1179 }
1180
1181 if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total );
1182
1183 return status;
1184 }
1185
1186
1187 struct async_ioctl
1188 {
1189 HANDLE handle; /* handle to the device */
1190 HANDLE event; /* async event */
1191 void *buffer; /* buffer for output */
1192 ULONG size; /* size of buffer */
1193 PIO_APC_ROUTINE apc; /* user apc params */
1194 void *apc_arg;
1195 };
1196
1197 /* callback for ioctl user APC */
1198 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1199 {
1200 struct async_ioctl *async = arg;
1201 if (async->apc) async->apc( async->apc_arg, io, reserved );
1202 RtlFreeHeap( GetProcessHeap(), 0, async );
1203 }
1204
1205 /* callback for ioctl async I/O completion */
1206 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
1207 {
1208 struct async_ioctl *async = arg;
1209
1210 if (status == STATUS_ALERTED)
1211 {
1212 SERVER_START_REQ( get_ioctl_result )
1213 {
1214 req->handle = wine_server_obj_handle( async->handle );
1215 req->user_arg = wine_server_client_ptr( async );
1216 wine_server_set_reply( req, async->buffer, async->size );
1217 status = wine_server_call( req );
1218 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1219 }
1220 SERVER_END_REQ;
1221 }
1222 if (status != STATUS_PENDING)
1223 {
1224 io->u.Status = status;
1225 if (async->apc || async->event) *apc = ioctl_apc;
1226 }
1227 return status;
1228 }
1229
1230 /* do a ioctl call through the server */
1231 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1232 PIO_APC_ROUTINE apc, PVOID apc_context,
1233 IO_STATUS_BLOCK *io, ULONG code,
1234 const void *in_buffer, ULONG in_size,
1235 PVOID out_buffer, ULONG out_size )
1236 {
1237 struct async_ioctl *async;
1238 NTSTATUS status;
1239 HANDLE wait_handle;
1240 ULONG options;
1241 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1242
1243 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1244 return STATUS_NO_MEMORY;
1245 async->handle = handle;
1246 async->event = event;
1247 async->buffer = out_buffer;
1248 async->size = out_size;
1249 async->apc = apc;
1250 async->apc_arg = apc_context;
1251
1252 SERVER_START_REQ( ioctl )
1253 {
1254 req->code = code;
1255 req->blocking = !apc && !event && !cvalue;
1256 req->async.handle = wine_server_obj_handle( handle );
1257 req->async.callback = wine_server_client_ptr( ioctl_completion );
1258 req->async.iosb = wine_server_client_ptr( io );
1259 req->async.arg = wine_server_client_ptr( async );
1260 req->async.event = wine_server_obj_handle( event );
1261 req->async.cvalue = cvalue;
1262 wine_server_add_data( req, in_buffer, in_size );
1263 wine_server_set_reply( req, out_buffer, out_size );
1264 status = wine_server_call( req );
1265 wait_handle = wine_server_ptr_handle( reply->wait );
1266 options = reply->options;
1267 if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
1268 }
1269 SERVER_END_REQ;
1270
1271 if (status == STATUS_NOT_SUPPORTED)
1272 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1273 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1274
1275 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1276
1277 if (wait_handle)
1278 {
1279 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1280 status = io->u.Status;
1281 NtClose( wait_handle );
1282 RtlFreeHeap( GetProcessHeap(), 0, async );
1283 }
1284
1285 return status;
1286 }
1287
1288 /* Tell Valgrind to ignore any holes in structs we will be passing to the
1289 * server */
1290 static void ignore_server_ioctl_struct_holes (ULONG code, const void *in_buffer,
1291 ULONG in_size)
1292 {
1293 #ifdef VALGRIND_MAKE_MEM_DEFINED
1294 # define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
1295 do { \
1296 if (FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
1297 if ((size) >= FIELD_OFFSET(t, f2)) \
1298 VALGRIND_MAKE_MEM_DEFINED( \
1299 (const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
1300 FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
1301 } while (0)
1302
1303 switch (code)
1304 {
1305 case FSCTL_PIPE_WAIT:
1306 IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
1307 break;
1308 }
1309 #endif
1310 }
1311
1312
1313 /**************************************************************************
1314 * NtDeviceIoControlFile [NTDLL.@]
1315 * ZwDeviceIoControlFile [NTDLL.@]
1316 *
1317 * Perform an I/O control operation on an open file handle.
1318 *
1319 * PARAMS
1320 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1321 * event [I] Event to signal upon completion (or NULL)
1322 * apc [I] Callback to call upon completion (or NULL)
1323 * apc_context [I] Context for ApcRoutine (or NULL)
1324 * io [O] Receives information about the operation on return
1325 * code [I] Control code for the operation to perform
1326 * in_buffer [I] Source for any input data required (or NULL)
1327 * in_size [I] Size of InputBuffer
1328 * out_buffer [O] Source for any output data returned (or NULL)
1329 * out_size [I] Size of OutputBuffer
1330 *
1331 * RETURNS
1332 * Success: 0. IoStatusBlock is updated.
1333 * Failure: An NTSTATUS error code describing the error.
1334 */
1335 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1336 PIO_APC_ROUTINE apc, PVOID apc_context,
1337 PIO_STATUS_BLOCK io, ULONG code,
1338 PVOID in_buffer, ULONG in_size,
1339 PVOID out_buffer, ULONG out_size)
1340 {
1341 ULONG device = (code >> 16);
1342 NTSTATUS status = STATUS_NOT_SUPPORTED;
1343
1344 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1345 handle, event, apc, apc_context, io, code,
1346 in_buffer, in_size, out_buffer, out_size);
1347
1348 switch(device)
1349 {
1350 case FILE_DEVICE_DISK:
1351 case FILE_DEVICE_CD_ROM:
1352 case FILE_DEVICE_DVD:
1353 case FILE_DEVICE_CONTROLLER:
1354 case FILE_DEVICE_MASS_STORAGE:
1355 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1356 in_buffer, in_size, out_buffer, out_size);
1357 break;
1358 case FILE_DEVICE_SERIAL_PORT:
1359 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1360 in_buffer, in_size, out_buffer, out_size);
1361 break;
1362 case FILE_DEVICE_TAPE:
1363 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1364 in_buffer, in_size, out_buffer, out_size);
1365 break;
1366 }
1367
1368 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1369 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1370 in_buffer, in_size, out_buffer, out_size );
1371
1372 if (status != STATUS_PENDING) io->u.Status = status;
1373 return status;
1374 }
1375
1376
1377 /**************************************************************************
1378 * NtFsControlFile [NTDLL.@]
1379 * ZwFsControlFile [NTDLL.@]
1380 *
1381 * Perform a file system control operation on an open file handle.
1382 *
1383 * PARAMS
1384 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1385 * event [I] Event to signal upon completion (or NULL)
1386 * apc [I] Callback to call upon completion (or NULL)
1387 * apc_context [I] Context for ApcRoutine (or NULL)
1388 * io [O] Receives information about the operation on return
1389 * code [I] Control code for the operation to perform
1390 * in_buffer [I] Source for any input data required (or NULL)
1391 * in_size [I] Size of InputBuffer
1392 * out_buffer [O] Source for any output data returned (or NULL)
1393 * out_size [I] Size of OutputBuffer
1394 *
1395 * RETURNS
1396 * Success: 0. IoStatusBlock is updated.
1397 * Failure: An NTSTATUS error code describing the error.
1398 */
1399 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1400 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1401 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1402 {
1403 NTSTATUS status;
1404
1405 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1406 handle, event, apc, apc_context, io, code,
1407 in_buffer, in_size, out_buffer, out_size);
1408
1409 if (!io) return STATUS_INVALID_PARAMETER;
1410
1411 ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
1412
1413 switch(code)
1414 {
1415 case FSCTL_DISMOUNT_VOLUME:
1416 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1417 in_buffer, in_size, out_buffer, out_size );
1418 if (!status) status = DIR_unmount_device( handle );
1419 break;
1420
1421 case FSCTL_PIPE_PEEK:
1422 {
1423 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1424 int avail = 0, fd, needs_close;
1425
1426 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1427 {
1428 status = STATUS_INFO_LENGTH_MISMATCH;
1429 break;
1430 }
1431
1432 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1433 break;
1434
1435 #ifdef FIONREAD
1436 if (ioctl( fd, FIONREAD, &avail ) != 0)
1437 {
1438 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1439 if (needs_close) close( fd );
1440 status = FILE_GetNtStatus();
1441 break;
1442 }
1443 #endif
1444 if (!avail) /* check for closed pipe */
1445 {
1446 struct pollfd pollfd;
1447 int ret;
1448
1449 pollfd.fd = fd;
1450 pollfd.events = POLLIN;
1451 pollfd.revents = 0;
1452 ret = poll( &pollfd, 1, 0 );
1453 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1454 {
1455 if (needs_close) close( fd );
1456 status = STATUS_PIPE_BROKEN;
1457 break;
1458 }
1459 }
1460 buffer->NamedPipeState = 0; /* FIXME */
1461 buffer->ReadDataAvailable = avail;
1462 buffer->NumberOfMessages = 0; /* FIXME */
1463 buffer->MessageLength = 0; /* FIXME */
1464 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1465 status = STATUS_SUCCESS;
1466 if (avail)
1467 {
1468 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1469 if (data_size)
1470 {
1471 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1472 if (res >= 0) io->Information += res;
1473 }
1474 }
1475 if (needs_close) close( fd );
1476 }
1477 break;
1478
1479 case FSCTL_PIPE_DISCONNECT:
1480 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1481 in_buffer, in_size, out_buffer, out_size );
1482 if (!status)
1483 {
1484 int fd = server_remove_fd_from_cache( handle );
1485 if (fd != -1) close( fd );
1486 }
1487 break;
1488
1489 case FSCTL_PIPE_IMPERSONATE:
1490 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1491 status = RtlImpersonateSelf( SecurityImpersonation );
1492 break;
1493
1494 case FSCTL_LOCK_VOLUME:
1495 case FSCTL_UNLOCK_VOLUME:
1496 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1497 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1498 status = STATUS_SUCCESS;
1499 break;
1500
1501 case FSCTL_GET_RETRIEVAL_POINTERS:
1502 {
1503 RETRIEVAL_POINTERS_BUFFER *buffer = (RETRIEVAL_POINTERS_BUFFER *)out_buffer;
1504
1505 FIXME("stub: FSCTL_GET_RETRIEVAL_POINTERS\n");
1506
1507 if (out_size >= sizeof(RETRIEVAL_POINTERS_BUFFER))
1508 {
1509 buffer->ExtentCount = 1;
1510 buffer->StartingVcn.QuadPart = 1;
1511 buffer->Extents[0].NextVcn.QuadPart = 0;
1512 buffer->Extents[0].Lcn.QuadPart = 0;
1513 io->Information = sizeof(RETRIEVAL_POINTERS_BUFFER);
1514 status = STATUS_SUCCESS;
1515 }
1516 else
1517 {
1518 io->Information = 0;
1519 status = STATUS_BUFFER_TOO_SMALL;
1520 }
1521 break;
1522 }
1523 case FSCTL_PIPE_LISTEN:
1524 case FSCTL_PIPE_WAIT:
1525 default:
1526 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1527 in_buffer, in_size, out_buffer, out_size );
1528 break;
1529 }
1530
1531 if (status != STATUS_PENDING) io->u.Status = status;
1532 return status;
1533 }
1534
1535 /******************************************************************************
1536 * NtSetVolumeInformationFile [NTDLL.@]
1537 * ZwSetVolumeInformationFile [NTDLL.@]
1538 *
1539 * Set volume information for an open file handle.
1540 *
1541 * PARAMS
1542 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1543 * IoStatusBlock [O] Receives information about the operation on return
1544 * FsInformation [I] Source for volume information
1545 * Length [I] Size of FsInformation
1546 * FsInformationClass [I] Type of volume information to set
1547 *
1548 * RETURNS
1549 * Success: 0. IoStatusBlock is updated.
1550 * Failure: An NTSTATUS error code describing the error.
1551 */
1552 NTSTATUS WINAPI NtSetVolumeInformationFile(
1553 IN HANDLE FileHandle,
1554 PIO_STATUS_BLOCK IoStatusBlock,
1555 PVOID FsInformation,
1556 ULONG Length,
1557 FS_INFORMATION_CLASS FsInformationClass)
1558 {
1559 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1560 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1561 return 0;
1562 }
1563
1564 static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
1565 LARGE_INTEGER *atime, LARGE_INTEGER *creation )
1566 {
1567 RtlSecondsSince1970ToTime( st->st_mtime, mtime );
1568 RtlSecondsSince1970ToTime( st->st_ctime, ctime );
1569 RtlSecondsSince1970ToTime( st->st_atime, atime );
1570 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1571 mtime->QuadPart += st->st_mtim.tv_nsec / 100;
1572 #endif
1573 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1574 ctime->QuadPart += st->st_ctim.tv_nsec / 100;
1575 #endif
1576 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1577 atime->QuadPart += st->st_atim.tv_nsec / 100;
1578 #endif
1579 *creation = *mtime;
1580 }
1581
1582 /* fill in the file information that depends on the stat info */
1583 NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
1584 {
1585 switch (class)
1586 {
1587 case FileBasicInformation:
1588 {
1589 FILE_BASIC_INFORMATION *info = ptr;
1590
1591 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1592 &info->LastAccessTime, &info->CreationTime );
1593 if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1594 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1595 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1596 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1597 }
1598 break;
1599 case FileStandardInformation:
1600 {
1601 FILE_STANDARD_INFORMATION *info = ptr;
1602
1603 if ((info->Directory = S_ISDIR(st->st_mode)))
1604 {
1605 info->AllocationSize.QuadPart = 0;
1606 info->EndOfFile.QuadPart = 0;
1607 info->NumberOfLinks = 1;
1608 }
1609 else
1610 {
1611 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1612 info->EndOfFile.QuadPart = st->st_size;
1613 info->NumberOfLinks = st->st_nlink;
1614 }
1615 }
1616 break;
1617 case FileInternalInformation:
1618 {
1619 FILE_INTERNAL_INFORMATION *info = ptr;
1620 info->IndexNumber.QuadPart = st->st_ino;
1621 }
1622 break;
1623 case FileEndOfFileInformation:
1624 {
1625 FILE_END_OF_FILE_INFORMATION *info = ptr;
1626 info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
1627 }
1628 break;
1629 case FileAllInformation:
1630 {
1631 FILE_ALL_INFORMATION *info = ptr;
1632 fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
1633 fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
1634 fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
1635 }
1636 break;
1637 /* all directory structures start with the FileDirectoryInformation layout */
1638 case FileBothDirectoryInformation:
1639 case FileFullDirectoryInformation:
1640 case FileDirectoryInformation:
1641 {
1642 FILE_DIRECTORY_INFORMATION *info = ptr;
1643
1644 get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
1645 &info->LastAccessTime, &info->CreationTime );
1646 if (S_ISDIR(st->st_mode))
1647 {
1648 info->AllocationSize.QuadPart = 0;
1649 info->EndOfFile.QuadPart = 0;
1650 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1651 }
1652 else
1653 {
1654 info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
1655 info->EndOfFile.QuadPart = st->st_size;
1656 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1657 }
1658 if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1659 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1660 }
1661 break;
1662 case FileIdFullDirectoryInformation:
1663 {
1664 FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
1665 info->FileId.QuadPart = st->st_ino;
1666 fill_stat_info( st, info, FileDirectoryInformation );
1667 }
1668 break;
1669 case FileIdBothDirectoryInformation:
1670 {
1671 FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
1672 info->FileId.QuadPart = st->st_ino;
1673 fill_stat_info( st, info, FileDirectoryInformation );
1674 }
1675 break;
1676
1677 default:
1678 return STATUS_INVALID_INFO_CLASS;
1679 }
1680 return STATUS_SUCCESS;
1681 }
1682
1683 NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
1684 {
1685 data_size_t size = 1024;
1686 NTSTATUS ret;
1687 char *name;
1688
1689 for (;;)
1690 {
1691 name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
1692 if (!name) return STATUS_NO_MEMORY;
1693 unix_name->MaximumLength = size + 1;
1694
1695 SERVER_START_REQ( get_handle_unix_name )
1696 {
1697 req->handle = wine_server_obj_handle( handle );
1698 wine_server_set_reply( req, name, size );
1699 ret = wine_server_call( req );
1700 size = reply->name_len;
1701 }
1702 SERVER_END_REQ;
1703
1704 if (!ret)
1705 {
1706 name[size] = 0;
1707 unix_name->Buffer = name;
1708 unix_name->Length = size;
1709 break;
1710 }
1711 RtlFreeHeap( GetProcessHeap(), 0, name );
1712 if (ret != STATUS_BUFFER_OVERFLOW) break;
1713 }
1714 return ret;
1715 }
1716
1717 static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
1718 {
1719 UNICODE_STRING nt_name;
1720 NTSTATUS status;
1721
1722 if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
1723 {
1724 const WCHAR *ptr = nt_name.Buffer;
1725 const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
1726
1727 /* Skip the volume mount point. */
1728 while (ptr != end && *ptr == '\\') ++ptr;
1729 while (ptr != end && *ptr != '\\') ++ptr;
1730 while (ptr != end && *ptr == '\\') ++ptr;
1731 while (ptr != end && *ptr != '\\') ++ptr;
1732
1733 info->FileNameLength = (end - ptr) * sizeof(WCHAR);
1734 if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
1735 else *name_len = info->FileNameLength;
1736
1737 memcpy( info->FileName, ptr, *name_len );
1738 RtlFreeUnicodeString( &nt_name );
1739 }
1740
1741 return status;
1742 }
1743
1744 /******************************************************************************
1745 * NtQueryInformationFile [NTDLL.@]
1746 * ZwQueryInformationFile [NTDLL.@]
1747 *
1748 * Get information about an open file handle.
1749 *
1750 * PARAMS
1751 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1752 * io [O] Receives information about the operation on return
1753 * ptr [O] Destination for file information
1754 * len [I] Size of FileInformation
1755 * class [I] Type of file information to get
1756 *
1757 * RETURNS
1758 * Success: 0. IoStatusBlock and FileInformation are updated.
1759 * Failure: An NTSTATUS error code describing the error.
1760 */
1761 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1762 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1763 {
1764 static const size_t info_sizes[] =
1765 {
1766 0,
1767 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1768 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1769 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1770 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1771 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1772 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1773 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1774 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1775 sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
1776 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1777 0, /* FileLinkInformation */
1778 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1779 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1780 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1781 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1782 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1783 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1784 sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
1785 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1786 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1787 0, /* FileAlternateNameInformation */
1788 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1789 0, /* FilePipeInformation */
1790 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1791 0, /* FilePipeRemoteInformation */
1792 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1793 0, /* FileMailslotSetInformation */
1794 0, /* FileCompressionInformation */
1795 0, /* FileObjectIdInformation */
1796 0, /* FileCompletionInformation */
1797 0, /* FileMoveClusterInformation */
1798 0, /* FileQuotaInformation */
1799 0, /* FileReparsePointInformation */
1800 0, /* FileNetworkOpenInformation */
1801 0, /* FileAttributeTagInformation */
1802 0, /* FileTrackingInformation */
1803 0, /* FileIdBothDirectoryInformation */
1804 0, /* FileIdFullDirectoryInformation */
1805 0, /* FileValidDataLengthInformation */
1806 0, /* FileShortNameInformation */
1807 0,
1808 0,
1809 0,
1810 0, /* FileSfioReserveInformation */
1811 0, /* FileSfioVolumeInformation */
1812 0, /* FileHardLinkInformation */
1813 0,
1814 0, /* FileNormalizedNameInformation */
1815 0,
1816 0, /* FileIdGlobalTxDirectoryInformation */
1817 0,
1818 0,
1819 0,
1820 0 /* FileStandardLinkInformation */
1821 };
1822
1823 struct stat st;
1824 int fd, needs_close = FALSE;
1825
1826 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1827
1828 io->Information = 0;
1829
1830 if (class <= 0 || class >= FileMaximumInformation)
1831 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1832 if (!info_sizes[class])
1833 {
1834 FIXME("Unsupported class (%d)\n", class);
1835 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1836 }
1837 if (len < info_sizes[class])
1838 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1839
1840 if (class != FilePipeLocalInformation)
1841 {
1842 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1843 return io->u.Status;
1844 }
1845
1846 switch (class)
1847 {
1848 case FileBasicInformation:
1849 if (fstat( fd, &st ) == -1)
1850 io->u.Status = FILE_GetNtStatus();
1851 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1852 io->u.Status = STATUS_INVALID_INFO_CLASS;
1853 else
1854 fill_stat_info( &st, ptr, class );
1855 break;
1856 case FileStandardInformation:
1857 {
1858 FILE_STANDARD_INFORMATION *info = ptr;
1859
1860 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1861 else
1862 {
1863 fill_stat_info( &st, info, class );
1864 info->DeletePending = FALSE; /* FIXME */
1865 }
1866 }
1867 break;
1868 case FilePositionInformation:
1869 {
1870 FILE_POSITION_INFORMATION *info = ptr;
1871 off_t res = lseek( fd, 0, SEEK_CUR );
1872 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1873 else info->CurrentByteOffset.QuadPart = res;
1874 }
1875 break;
1876 case FileInternalInformation:
1877 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1878 else fill_stat_info( &st, ptr, class );
1879 break;
1880 case FileEaInformation:
1881 {
1882 FILE_EA_INFORMATION *info = ptr;
1883 info->EaSize = 0;
1884 }
1885 break;
1886 case FileEndOfFileInformation:
1887 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1888 else fill_stat_info( &st, ptr, class );
1889 break;
1890 case FileAllInformation:
1891 {
1892 FILE_ALL_INFORMATION *info = ptr;
1893 ANSI_STRING unix_name;
1894
1895 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1896 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1897 io->u.Status = STATUS_INVALID_INFO_CLASS;
1898 else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1899 {
1900 LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
1901
1902 fill_stat_info( &st, info, FileAllInformation );
1903 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1904 info->EaInformation.EaSize = 0;
1905 info->AccessInformation.AccessFlags = 0; /* FIXME */
1906 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1907 info->ModeInformation.Mode = 0; /* FIXME */
1908 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1909
1910 io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
1911 RtlFreeAnsiString( &unix_name );
1912 io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
1913 }
1914 }
1915 break;
1916 case FileMailslotQueryInformation:
1917 {
1918 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1919
1920 SERVER_START_REQ( set_mailslot_info )
1921 {
1922 req->handle = wine_server_obj_handle( hFile );
1923 req->flags = 0;
1924 io->u.Status = wine_server_call( req );
1925 if( io->u.Status == STATUS_SUCCESS )
1926 {
1927 info->MaximumMessageSize = reply->max_msgsize;
1928 info->MailslotQuota = 0;
1929 info->NextMessageSize = 0;
1930 info->MessagesAvailable = 0;
1931 info->ReadTimeout.QuadPart = reply->read_timeout;
1932 }
1933 }
1934 SERVER_END_REQ;
1935 if (!io->u.Status)
1936 {
1937 char *tmpbuf;
1938 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1939 if (size > 0x10000) size = 0x10000;
1940 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1941 {
1942 int fd, needs_close;
1943 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1944 {
1945 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1946 info->MessagesAvailable = (res > 0);
1947 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1948 if (needs_close) close( fd );
1949 }
1950 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1951 }
1952 }
1953 }
1954 break;
1955 case FilePipeLocalInformation:
1956 {
1957 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1958
1959 SERVER_START_REQ( get_named_pipe_info )
1960 {
1961 req->handle = wine_server_obj_handle( hFile );
1962 if (!(io->u.Status = wine_server_call( req )))
1963 {
1964 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1965 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1966 switch (reply->sharing)
1967 {
1968 case FILE_SHARE_READ:
1969 pli->NamedPipeConfiguration = FILE_PIPE_OUTBOUND;
1970 break;
1971 case FILE_SHARE_WRITE:
1972 pli->NamedPipeConfiguration = FILE_PIPE_INBOUND;
1973 break;
1974 case FILE_SHARE_READ | FILE_SHARE_WRITE:
1975 pli->NamedPipeConfiguration = FILE_PIPE_FULL_DUPLEX;
1976 break;
1977 }
1978 pli->MaximumInstances = reply->maxinstances;
1979 pli->CurrentInstances = reply->instances;
1980 pli->InboundQuota = reply->insize;
1981 pli->ReadDataAvailable = 0; /* FIXME */
1982 pli->OutboundQuota = reply->outsize;
1983 pli->WriteQuotaAvailable = 0; /* FIXME */
1984 pli->NamedPipeState = 0; /* FIXME */
1985 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1986 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1987 }
1988 }
1989 SERVER_END_REQ;
1990 }
1991 break;
1992 case FileNameInformation:
1993 {
1994 FILE_NAME_INFORMATION *info = ptr;
1995 ANSI_STRING unix_name;
1996
1997 if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
1998 {
1999 LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
2000 io->u.Status = fill_name_info( &unix_name, info, &name_len );
2001 RtlFreeAnsiString( &unix_name );
2002 io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
2003 }
2004 }
2005 break;
2006 default:
2007 FIXME("Unsupported class (%d)\n", class);
2008 io->u.Status = STATUS_NOT_IMPLEMENTED;
2009 break;
2010 }
2011 if (needs_close) close( fd );
2012 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
2013 return io->u.Status;
2014 }
2015
2016 /******************************************************************************
2017 * NtSetInformationFile [NTDLL.@]
2018 * ZwSetInformationFile [NTDLL.@]
2019 *
2020 * Set information about an open file handle.
2021 *
2022 * PARAMS
2023 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2024 * io [O] Receives information about the operation on return
2025 * ptr [I] Source for file information
2026 * len [I] Size of FileInformation
2027 * class [I] Type of file information to set
2028 *
2029 * RETURNS
2030 * Success: 0. io is updated.
2031 * Failure: An NTSTATUS error code describing the error.
2032 */
2033 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
2034 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
2035 {
2036 int fd, needs_close;
2037
2038 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
2039
2040 io->u.Status = STATUS_SUCCESS;
2041 switch (class)
2042 {
2043 case FileBasicInformation:
2044 if (len >= sizeof(FILE_BASIC_INFORMATION))
2045 {
2046 struct stat st;
2047 const FILE_BASIC_INFORMATION *info = ptr;
2048
2049 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2050 return io->u.Status;
2051
2052 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
2053 {
2054 struct timeval tv[2];
2055
2056 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
2057 {
2058
2059 tv[0].tv_sec = tv[0].tv_usec = 0;
2060 tv[1].tv_sec = tv[1].tv_usec = 0;
2061 if (!fstat( fd, &st ))
2062 {
2063 tv[0].tv_sec = st.st_atime;
2064 tv[1].tv_sec = st.st_mtime;
2065 }
2066 }
2067 if (info->LastAccessTime.QuadPart)
2068 {
2069 ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
2070 UINT nsec = info->LastAccessTime.QuadPart % 10000000;
2071 tv[0].tv_sec = sec - SECS_1601_TO_1970;
2072 tv[0].tv_usec = nsec / 10;
2073 }
2074 if (info->LastWriteTime.QuadPart)
2075 {
2076 ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
2077 UINT nsec = info->LastWriteTime.QuadPart % 10000000;
2078 tv[1].tv_sec = sec - SECS_1601_TO_1970;
2079 tv[1].tv_usec = nsec / 10;
2080 }
2081 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
2082 }
2083
2084 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
2085 {
2086 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
2087 else
2088 {
2089 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
2090 {
2091 if (S_ISDIR( st.st_mode))
2092 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
2093 else
2094 st.st_mode &= ~0222; /* clear write permission bits */
2095 }
2096 else
2097 {
2098 /* add write permission only where we already have read permission */
2099 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
2100 }
2101 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
2102 }
2103 }
2104
2105 if (needs_close) close( fd );
2106 }
2107 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2108 break;
2109
2110 case FilePositionInformation:
2111 if (len >= sizeof(FILE_POSITION_INFORMATION))
2112 {
2113 const FILE_POSITION_INFORMATION *info = ptr;
2114
2115 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2116 return io->u.Status;
2117
2118 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
2119 io->u.Status = FILE_GetNtStatus();
2120
2121 if (needs_close) close( fd );
2122 }
2123 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2124 break;
2125
2126 case FileEndOfFileInformation:
2127 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
2128 {
2129 struct stat st;
2130 const FILE_END_OF_FILE_INFORMATION *info = ptr;
2131
2132 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
2133 return io->u.Status;
2134
2135 /* first try normal truncate */
2136 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2137
2138 /* now check for the need to extend the file */
2139 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
2140 {
2141 static const char zero;
2142
2143 /* extend the file one byte beyond the requested size and then truncate it */
2144 /* this should work around ftruncate implementations that can't extend files */
2145 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
2146 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2147 }
2148 io->u.Status = FILE_GetNtStatus();
2149
2150 if (needs_close) close( fd );
2151 }
2152 else io->u.Status = STATUS_INVALID_PARAMETER_3;
2153 break;
2154
2155 case FileMailslotSetInformation:
2156 {
2157 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
2158
2159 SERVER_START_REQ( set_mailslot_info )
2160 {
2161 req->handle = wine_server_obj_handle( handle );
2162 req->flags = MAILSLOT_SET_READ_TIMEOUT;
2163 req->read_timeout = info->ReadTimeout.QuadPart;
2164 io->u.Status = wine_server_call( req );
2165 }
2166 SERVER_END_REQ;
2167 }
2168 break;
2169
2170 case FileCompletionInformation:
2171 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
2172 {
2173 FILE_COMPLETION_INFORMATION *info = ptr;
2174
2175 SERVER_START_REQ( set_completion_info )
2176 {
2177 req->handle = wine_server_obj_handle( handle );
2178 req->chandle = wine_server_obj_handle( info->CompletionPort );
2179 req->ckey = info->CompletionKey;
2180 io->u.Status = wine_server_call( req );
2181 }
2182 SERVER_END_REQ;
2183 } else
2184 io->u.Status = STATUS_INVALID_PARAMETER_3;
2185 break;
2186
2187 case FileAllInformation:
2188 io->u.Status = STATUS_INVALID_INFO_CLASS;
2189 break;
2190
2191 default:
2192 FIXME("Unsupported class (%d)\n", class);
2193 io->u.Status = STATUS_NOT_IMPLEMENTED;
2194 break;
2195 }
2196 io->Information = 0;
2197 return io->u.Status;
2198 }
2199
2200
2201 /******************************************************************************
2202 * NtQueryFullAttributesFile (NTDLL.@)
2203 */
2204 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
2205 FILE_NETWORK_OPEN_INFORMATION *info )
2206 {
2207 ANSI_STRING unix_name;
2208 NTSTATUS status;
2209
2210 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2211 {
2212 struct stat st;
2213
2214 if (stat( unix_name.Buffer, &st ) == -1)
2215 status = FILE_GetNtStatus();
2216 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2217 status = STATUS_INVALID_INFO_CLASS;
2218 else
2219 {
2220 FILE_BASIC_INFORMATION basic;
2221 FILE_STANDARD_INFORMATION std;
2222
2223 fill_stat_info( &st, &basic, FileBasicInformation );
2224 fill_stat_info( &st, &std, FileStandardInformation );
2225
2226 info->CreationTime = basic.CreationTime;
2227 info->LastAccessTime = basic.LastAccessTime;
2228 info->LastWriteTime = basic.LastWriteTime;
2229 info->ChangeTime = basic.ChangeTime;
2230 info->AllocationSize = std.AllocationSize;
2231 info->EndOfFile = std.EndOfFile;
2232 info->FileAttributes = basic.FileAttributes;
2233 if (DIR_is_hidden_file( attr->ObjectName ))
2234 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2235 }
2236 RtlFreeAnsiString( &unix_name );
2237 }
2238 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2239 return status;
2240 }
2241
2242
2243 /******************************************************************************
2244 * NtQueryAttributesFile (NTDLL.@)
2245 * ZwQueryAttributesFile (NTDLL.@)
2246 */
2247 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
2248 {
2249 ANSI_STRING unix_name;
2250 NTSTATUS status;
2251
2252 if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2253 {
2254 struct stat st;
2255
2256 if (stat( unix_name.Buffer, &st ) == -1)
2257 status = FILE_GetNtStatus();
2258 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2259 status = STATUS_INVALID_INFO_CLASS;
2260 else
2261 {
2262 status = fill_stat_info( &st, info, FileBasicInformation );
2263 if (DIR_is_hidden_file( attr->ObjectName ))
2264 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
2265 }
2266 RtlFreeAnsiString( &unix_name );
2267 }
2268 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2269 return status;
2270 }
2271
2272
2273 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
2274 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2275 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2276 unsigned int flags )
2277 {
2278 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2279 {
2280 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2281 /* Don't assume read-only, let the mount options set it below */
2282 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2283 }
2284 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2285 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2286 {
2287 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2288 info->Characteristics |= FILE_REMOTE_DEVICE;
2289 }
2290 else if (!strcmp("procfs", fstypename))
2291 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2292 else
2293 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2294
2295 if (flags & MNT_RDONLY)
2296 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2297
2298 if (!(flags & MNT_LOCAL))
2299 {
2300 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2301 info->Characteristics |= FILE_REMOTE_DEVICE;
2302 }
2303 }
2304 #endif
2305
2306 static inline int is_device_placeholder( int fd )
2307 {
2308 static const char wine_placeholder[] = "Wine device placeholder";
2309 char buffer[sizeof(wine_placeholder)-1];
2310
2311 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2312 return 0;
2313 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2314 }
2315
2316 /******************************************************************************
2317 * get_device_info
2318 *
2319 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2320 */
2321 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2322 {
2323 struct stat st;
2324
2325 info->Characteristics = 0;
2326 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2327 if (S_ISCHR( st.st_mode ))
2328 {
2329 info->DeviceType = FILE_DEVICE_UNKNOWN;
2330 #ifdef linux
2331 switch(major(st.st_rdev))
2332 {
2333 case MEM_MAJOR:
2334 info->DeviceType = FILE_DEVICE_NULL;
2335 break;
2336 case TTY_MAJOR:
2337 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2338 break;
2339 case LP_MAJOR:
2340 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2341 break;
2342 case SCSI_TAPE_MAJOR:
2343 info->DeviceType = FILE_DEVICE_TAPE;
2344 break;
2345 }
2346 #endif
2347 }
2348 else if (S_ISBLK( st.st_mode ))
2349 {
2350 info->DeviceType = FILE_DEVICE_DISK;
2351 }
2352 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2353 {
2354 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2355 }
2356 else if (is_device_placeholder( fd ))
2357 {
2358 info->DeviceType = FILE_DEVICE_DISK;
2359 }
2360 else /* regular file or directory */
2361 {
2362 #if defined(linux) && defined(HAVE_FSTATFS)
2363 struct statfs stfs;
2364
2365 /* check for floppy disk */
2366 if (major(st.st_dev) == FLOPPY_MAJOR)
2367 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2368
2369 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2370 switch (stfs.f_type)
2371 {
2372 case 0x9660: /* iso9660 */
2373 case 0x9fa1: /* supermount */
2374 case 0x15013346: /* udf */
2375 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2376 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2377 break;
2378 case 0x6969: /* nfs */
2379 case 0x517B: /* smbfs */
2380 case 0x564c: /* ncpfs */
2381 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2382 info->Characteristics |= FILE_REMOTE_DEVICE;
2383 break;
2384 case 0x01021994: /* tmpfs */
2385 case 0x28cd3d45: /* cramfs */
2386 case 0x1373: /* devfs */
2387 case 0x9fa0: /* procfs */
2388 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2389 break;
2390 default:
2391 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2392 break;
2393 }
2394 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
2395 struct statfs stfs;
2396
2397 if (fstatfs( fd, &stfs ) < 0)
2398 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2399 else
2400 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2401 #elif defined(__NetBSD__)
2402 struct statvfs stfs;
2403
2404 if (fstatvfs( fd, &stfs) < 0)
2405 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2406 else
2407 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2408 #elif defined(sun)
2409 /* Use dkio to work out device types */
2410 {
2411 # include <sys/dkio.h>
2412 # include <sys/vtoc.h>
2413 struct dk_cinfo dkinf;
2414 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2415 if(retval==-1){
2416 WARN("Unable to get disk device type information - assuming a disk like device\n");
2417 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2418 }
2419 switch (dkinf.dki_ctype)
2420 {
2421 case DKC_CDROM:
2422 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2423 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2424 break;
2425 case DKC_NCRFLOPPY:
2426 case DKC_SMSFLOPPY:
2427 case DKC_INTEL82072:
2428 case DKC_INTEL82077:
2429 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2430 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2431 break;
2432 case DKC_MD:
2433 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2434 break;
2435 default:
2436 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2437 }
2438 }
2439 #else
2440 static int warned;
2441 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2442 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2443 #endif
2444 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2445 }
2446 return STATUS_SUCCESS;
2447 }
2448
2449
2450 /******************************************************************************
2451 * NtQueryVolumeInformationFile [NTDLL.@]
2452 * ZwQueryVolumeInformationFile [NTDLL.@]
2453 *
2454 * Get volume information for an open file handle.
2455 *
2456 * PARAMS
2457 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2458 * io [O] Receives information about the operation on return
2459 * buffer [O] Destination for volume information
2460 * length [I] Size of FsInformation
2461 * info_class [I] Type of volume information to set
2462 *
2463 * RETURNS
2464 * Success: 0. io and buffer are updated.
2465 * Failure: An NTSTATUS error code describing the error.
2466 */
2467 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2468 PVOID buffer, ULONG length,
2469 FS_INFORMATION_CLASS info_class )
2470 {
2471 int fd, needs_close;
2472 struct stat st;
2473 static int once;
2474
2475 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2476 return io->u.Status;
2477
2478 io->u.Status = STATUS_NOT_IMPLEMENTED;
2479 io->Information = 0;
2480
2481 switch( info_class )
2482 {
2483 case FileFsVolumeInformation:
2484 if (!once++) FIXME( "%p: volume info not supported\n", handle );
2485 break;
2486 case FileFsLabelInformation:
2487 FIXME( "%p: label info not supported\n", handle );
2488 break;
2489 case FileFsSizeInformation:
2490 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2491 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2492 else
2493 {
2494 FILE_FS_SIZE_INFORMATION *info = buffer;
2495
2496 if (fstat( fd, &st ) < 0)
2497 {
2498 io->u.Status = FILE_GetNtStatus();
2499 break;
2500 }
2501 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2502 {
2503 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2504 }
2505 else
2506 {
2507 ULONGLONG bsize;
2508 /* Linux's fstatvfs is buggy */
2509 #if !defined(linux) || !defined(HAVE_FSTATFS)
2510 struct statvfs stfs;
2511
2512 if (fstatvfs( fd, &stfs ) < 0)
2513 {
2514 io->u.Status = FILE_GetNtStatus();
2515 break;
2516 }
2517 bsize = stfs.f_frsize;
2518 #else
2519 struct statfs stfs;
2520 if (fstatfs( fd, &stfs ) < 0)
2521 {
2522 io->u.Status = FILE_GetNtStatus();
2523 break;
2524 }
2525 bsize = stfs.f_bsize;
2526 #endif
2527 if (bsize == 2048) /* assume CD-ROM */
2528 {
2529 info->BytesPerSector = 2048;
2530 info->SectorsPerAllocationUnit = 1;
2531 }
2532 else
2533 {
2534 info->BytesPerSector = 512;
2535 info->SectorsPerAllocationUnit = 8;
2536 }
2537 info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2538 info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
2539 io->Information = sizeof(*info);
2540 io->u.Status = STATUS_SUCCESS;
2541 }
2542 }
2543 break;
2544 case FileFsDeviceInformation:
2545 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2546 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2547 else
2548 {
2549 FILE_FS_DEVICE_INFORMATION *info = buffer;
2550
2551 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2552 io->Information = sizeof(*info);
2553 }
2554 break;
2555 case FileFsAttributeInformation:
2556 FIXME( "%p: attribute info not supported\n", handle );
2557 break;
2558 case FileFsControlInformation:
2559 FIXME( "%p: control info not supported\n", handle );
2560 break;
2561 case FileFsFullSizeInformation:
2562 FIXME( "%p: full size info not supported\n", handle );
2563 break;
2564 case FileFsObjectIdInformation:
2565 FIXME( "%p: object id info not supported\n", handle );
2566 break;
2567 case FileFsMaximumInformation:
2568 FIXME( "%p: maximum info not supported\n", handle );
2569 break;
2570 default:
2571 io->u.Status = STATUS_INVALID_PARAMETER;
2572 break;
2573 }
2574 if (needs_close) close( fd );
2575 return io->u.Status;
2576 }
2577
2578
2579 /******************************************************************
2580 * NtQueryEaFile (NTDLL.@)
2581 *
2582 * Read extended attributes from NTFS files.
2583 *
2584 * PARAMS
2585 * hFile [I] File handle, must be opened with FILE_READ_EA access
2586 * iosb [O] Receives information about the operation on return
2587 * buffer [O] Output buffer
2588 * length [I] Length of output buffer
2589 * single_entry [I] Only read and return one entry
2590 * ea_list [I] Optional list with names of EAs to return
2591 * ea_list_len [I] Length of ea_list in bytes
2592 * ea_index [I] Optional pointer to 1-based index of attribute to return
2593 * restart [I] restart EA scan
2594 *
2595 * RETURNS
2596 * Success: 0. Atrributes read into buffer
2597 * Failure: An NTSTATUS error code describing the error.
2598 */
2599 NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
2600 BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
2601 PULONG ea_index, BOOLEAN restart )
2602 {
2603 FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
2604 hFile, iosb, buffer, length, single_entry, ea_list,
2605 ea_list_len, ea_index, restart);
2606 return STATUS_ACCESS_DENIED;
2607 }
2608
2609
2610 /******************************************************************
2611 * NtSetEaFile (NTDLL.@)
2612 *
2613 * Update extended attributes for NTFS files.
2614 *
2615 * PARAMS
2616 * hFile [I] File handle, must be opened with FILE_READ_EA access
2617 * iosb [O] Receives information about the operation on return
2618 * buffer [I] Buffer with EA information
2619 * length [I] Length of buffer
2620 *
2621 * RETURNS
2622 * Success: 0. Attributes are updated
2623 * Failure: An NTSTATUS error code describing the error.
2624 */
2625 NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
2626 {
2627 FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
2628 return STATUS_ACCESS_DENIED;
2629 }
2630
2631
2632 /******************************************************************
2633 * NtFlushBuffersFile (NTDLL.@)
2634 *
2635 * Flush any buffered data on an open file handle.
2636 *
2637 * PARAMS
2638 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2639 * IoStatusBlock [O] Receives information about the operation on return
2640 *
2641 * RETURNS
2642 * Success: 0. IoStatusBlock is updated.
2643 * Failure: An NTSTATUS error code describing the error.
2644 */
2645 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2646 {
2647 NTSTATUS ret;
2648 HANDLE hEvent = NULL;
2649
2650 SERVER_START_REQ( flush_file )
2651 {
2652 req->handle = wine_server_obj_handle( hFile );
2653 ret = wine_server_call( req );
2654 hEvent = wine_server_ptr_handle( reply->event );
2655 }
2656 SERVER_END_REQ;
2657 if (!ret && hEvent)
2658 {
2659 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2660 NtClose( hEvent );
2661 }
2662 return ret;
2663 }
2664
2665 /******************************************************************
2666 * NtLockFile (NTDLL.@)
2667 *
2668 *
2669 */
2670 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2671 PIO_APC_ROUTINE apc, void* apc_user,
2672 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2673 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2674 BOOLEAN exclusive )
2675 {
2676 NTSTATUS ret;
2677 HANDLE handle;
2678 BOOLEAN async;
2679 static BOOLEAN warn = TRUE;
2680
2681 if (apc || io_status || key)
2682 {
2683 FIXME("Unimplemented yet parameter\n");
2684 return STATUS_NOT_IMPLEMENTED;
2685 }
2686
2687 if (apc_user && warn)
2688 {
2689 FIXME("I/O completion on lock not implemented yet\n");
2690 warn = FALSE;
2691 }
2692
2693 for (;;)
2694 {
2695 SERVER_START_REQ( lock_file )
2696 {
2697 req->handle = wine_server_obj_handle( hFile );
2698 req->offset = offset->QuadPart;
2699 req->count = count->QuadPart;
2700 req->shared = !exclusive;
2701 req->wait = !dont_wait;
2702 ret = wine_server_call( req );
2703 handle = wine_server_ptr_handle( reply->handle );
2704 async = reply->overlapped;
2705 }
2706 SERVER_END_REQ;
2707 if (ret != STATUS_PENDING)
2708 {
2709 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2710 return ret;
2711 }
2712
2713 if (async)
2714 {
2715 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2716 if (handle) NtClose( handle );
2717 return STATUS_PENDING;
2718 }
2719 if (handle)
2720 {
2721 NtWaitForSingleObject( handle, FALSE, NULL );
2722 NtClose( handle );
2723 }
2724 else
2725 {
2726 LARGE_INTEGER time;
2727
2728 /* Unix lock conflict, sleep a bit and retry */
2729 time.QuadPart = 100 * (ULONGLONG)10000;
2730 time.QuadPart = -time.QuadPart;
2731 NtDelayExecution( FALSE, &time );
2732 }
2733 }
2734 }
2735
2736
2737 /******************************************************************
2738 * NtUnlockFile (NTDLL.@)
2739 *
2740 *
2741 */
2742 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2743 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2744 PULONG key )
2745 {
2746 NTSTATUS status;
2747
2748 TRACE( "%p %x%08x %x%08x\n",
2749 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2750
2751 if (io_status || key)
2752 {
2753 FIXME("Unimplemented yet parameter\n");
2754 return STATUS_NOT_IMPLEMENTED;
2755 }
2756
2757 SERVER_START_REQ( unlock_file )
2758 {
2759 req->handle = wine_server_obj_handle( hFile );
2760 req->offset = offset->QuadPart;
2761 req->count = count->QuadPart;
2762 status = wine_server_call( req );
2763 }
2764 SERVER_END_REQ;
2765 return status;
2766 }
2767
2768 /******************************************************************
2769 * NtCreateNamedPipeFile (NTDLL.@)
2770 *
2771 *
2772 */
2773 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2774 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2775 ULONG sharing, ULONG dispo, ULONG options,
2776 ULONG pipe_type, ULONG read_mode,
2777 ULONG completion_mode, ULONG max_inst,
2778 ULONG inbound_quota, ULONG outbound_quota,
2779 PLARGE_INTEGER timeout)
2780 {
2781 NTSTATUS status;
2782
2783 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2784 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2785 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2786 outbound_quota, timeout);
2787
2788 /* assume we only get relative timeout */
2789 if (timeout->QuadPart > 0)
2790 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2791
2792 SERVER_START_REQ( create_named_pipe )
2793 {
2794 req->access = access;
2795 req->attributes = attr->Attributes;
2796 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2797 req->options = options;
2798 req->sharing = sharing;
2799 req->flags =
2800 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2801 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2802 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2803 req->maxinstances = max_inst;
2804 req->outsize = outbound_quota;
2805 req->insize = inbound_quota;
2806 req->timeout = timeout->QuadPart;
2807 wine_server_add_data( req, attr->ObjectName->Buffer,
2808 attr->ObjectName->Length );
2809 status = wine_server_call( req );
2810 if (!status) *handle = wine_server_ptr_handle( reply->handle );
2811 }
2812 SERVER_END_REQ;
2813 return status;
2814 }
2815
2816 /******************************************************************
2817 * NtDeleteFile (NTDLL.@)
2818 *
2819 *
2820 */
2821 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2822 {
2823 NTSTATUS status;
2824 HANDLE hFile;
2825 IO_STATUS_BLOCK io;
2826
2827 TRACE("%p\n", ObjectAttributes);
2828 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2829 ObjectAttributes, &io, NULL, 0,
2830 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2831 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2832 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2833 return status;
2834 }
2835
2836 /******************************************************************
2837 * NtCancelIoFileEx (NTDLL.@)
2838 *
2839 *
2840 */
2841 NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
2842 {
2843 LARGE_INTEGER timeout;
2844
2845 TRACE("%p %p %p\n", hFile, iosb, io_status );
2846
2847 SERVER_START_REQ( cancel_async )
2848 {
2849 req->handle = wine_server_obj_handle( hFile );
2850 req->iosb = wine_server_client_ptr( iosb );
2851 req->only_thread = FALSE;
2852 io_status->u.Status = wine_server_call( req );
2853 }
2854 SERVER_END_REQ;
2855 if (io_status->u.Status)
2856 return io_status->u.Status;
2857
2858 /* Let some APC be run, so that we can run the remaining APCs on hFile
2859 * either the cancelation of the pending one, but also the execution
2860 * of the queued APC, but not yet run. This is needed to ensure proper
2861 * clean-up of allocated data.
2862 */
2863 timeout.u.LowPart = timeout.u.HighPart = 0;
2864 NtDelayExecution( TRUE, &timeout );
2865 return io_status->u.Status;
2866 }
2867
2868 /******************************************************************
2869 * NtCancelIoFile (NTDLL.@)
2870 *
2871 *
2872 */
2873 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2874 {
2875 LARGE_INTEGER timeout;
2876
2877 TRACE("%p %p\n", hFile, io_status );
2878
2879 SERVER_START_REQ( cancel_async )
2880 {
2881 req->handle = wine_server_obj_handle( hFile );
2882 req->iosb = 0;
2883 req->only_thread = TRUE;
2884 io_status->u.Status = wine_server_call( req );
2885 }
2886 SERVER_END_REQ;
2887 if (io_status->u.Status)
2888 return io_status->u.Status;
2889
2890 /* Let some APC be run, so that we can run the remaining APCs on hFile
2891 * either the cancelation of the pending one, but also the execution
2892 * of the queued APC, but not yet run. This is needed to ensure proper
2893 * clean-up of allocated data.
2894 */
2895 timeout.u.LowPart = timeout.u.HighPart = 0;
2896 NtDelayExecution( TRUE, &timeout );
2897 return io_status->u.Status;
2898 }
2899
2900 /******************************************************************************
2901 * NtCreateMailslotFile [NTDLL.@]
2902 * ZwCreateMailslotFile [NTDLL.@]
2903 *
2904 * PARAMS
2905 * pHandle [O] pointer to receive the handle created
2906 * DesiredAccess [I] access mode (read, write, etc)
2907 * ObjectAttributes [I] fully qualified NT path of the mailslot
2908 * IoStatusBlock [O] receives completion status and other info
2909 * CreateOptions [I]
2910 * MailslotQuota [I]
2911 * MaxMessageSize [I]
2912 * TimeOut [I]
2913 *
2914 * RETURNS
2915 * An NT status code
2916 */
2917 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2918 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2919 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2920 PLARGE_INTEGER TimeOut)
2921 {
2922 LARGE_INTEGER timeout;
2923 NTSTATUS ret;
2924
2925 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2926 pHandle, DesiredAccess, attr, IoStatusBlock,
2927 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2928
2929 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2930 if (!attr) return STATUS_INVALID_PARAMETER;
2931 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2932
2933 /*
2934 * For a NULL TimeOut pointer set the default timeout value
2935 */
2936 if (!TimeOut)
2937 timeout.QuadPart = -1;
2938 else
2939 timeout.QuadPart = TimeOut->QuadPart;
2940
2941 SERVER_START_REQ( create_mailslot )
2942 {
2943 req->access = DesiredAccess;
2944 req->attributes = attr->Attributes;
2945 req->rootdir = wine_server_obj_handle( attr->RootDirectory );
2946 req->max_msgsize = MaxMessageSize;
2947 req->read_timeout = timeout.QuadPart;
2948 wine_server_add_data( req, attr->ObjectName->Buffer,
2949 attr->ObjectName->Length );
2950 ret = wine_server_call( req );
2951 if( ret == STATUS_SUCCESS )
2952 *pHandle = wine_server_ptr_handle( reply->handle );
2953 }
2954 SERVER_END_REQ;
2955
2956 return ret;
2957 }
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