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Do not make a directory read-only.
[wine/multimedia.git] / dlls / ntdll / file.c
blob84c4b1efb84a0ea61b2ca393529783709ac48002
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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_UTIME_H
46 # include <utime.h>
47 #endif
48 #ifdef STATFS_DEFINED_BY_SYS_VFS
49 # include <sys/vfs.h>
50 #else
51 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
52 # include <sys/mount.h>
53 # else
54 # ifdef STATFS_DEFINED_BY_SYS_STATFS
55 # include <sys/statfs.h>
56 # endif
57 # endif
58 #endif
59
60 #define NONAMELESSUNION
61 #define NONAMELESSSTRUCT
62 #include "wine/unicode.h"
63 #include "wine/debug.h"
64 #include "wine/server.h"
65 #include "async.h"
66 #include "ntdll_misc.h"
67
68 #include "winternl.h"
69 #include "winioctl.h"
70
71 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
72
73 mode_t FILE_umask = 0;
74
75 #define SECSPERDAY 86400
76 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
77
78 /**************************************************************************
79 * NtOpenFile [NTDLL.@]
80 * ZwOpenFile [NTDLL.@]
81 *
82 * Open a file.
83 *
84 * PARAMS
85 * handle [O] Variable that receives the file handle on return
86 * access [I] Access desired by the caller to the file
87 * attr [I] Structue describing the file to be opened
88 * io [O] Receives details about the result of the operation
89 * sharing [I] Type of shared access the caller requires
90 * options [I] Options for the file open
91 *
92 * RETURNS
93 * Success: 0. FileHandle and IoStatusBlock are updated.
94 * Failure: An NTSTATUS error code describing the error.
95 */
96 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
97 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
98 ULONG sharing, ULONG options )
99 {
100 return NtCreateFile( handle, access, attr, io, NULL, 0,
101 sharing, FILE_OPEN, options, NULL, 0 );
102 }
103
104 /**************************************************************************
105 * NtCreateFile [NTDLL.@]
106 * ZwCreateFile [NTDLL.@]
107 *
108 * Either create a new file or directory, or open an existing file, device,
109 * directory or volume.
110 *
111 * PARAMS
112 * handle [O] Points to a variable which receives the file handle on return
113 * access [I] Desired access to the file
114 * attr [I] Structure describing the file
115 * io [O] Receives information about the operation on return
116 * alloc_size [I] Initial size of the file in bytes
117 * attributes [I] Attributes to create the file with
118 * sharing [I] Type of shared access the caller would like to the file
119 * disposition [I] Specifies what to do, depending on whether the file already exists
120 * options [I] Options for creating a new file
121 * ea_buffer [I] Undocumented
122 * ea_length [I] Undocumented
123 *
124 * RETURNS
125 * Success: 0. handle and io are updated.
126 * Failure: An NTSTATUS error code describing the error.
127 */
128 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
129 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
130 ULONG attributes, ULONG sharing, ULONG disposition,
131 ULONG options, PVOID ea_buffer, ULONG ea_length )
132 {
133 static const WCHAR pipeW[] = {'\\','?','?','\\','p','i','p','e','\\'};
134 ANSI_STRING unix_name;
135 int created = FALSE;
136
137 TRACE("handle=%p access=%08lx name=%s objattr=%08lx root=%p sec=%p io=%p alloc_size=%p\n"
138 "attr=%08lx sharing=%08lx disp=%ld options=%08lx ea=%p.0x%08lx\n",
139 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
140 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
141 attributes, sharing, disposition, options, ea_buffer, ea_length );
142
143 if (attr->RootDirectory)
144 {
145 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
146 return STATUS_OBJECT_NAME_NOT_FOUND;
147 }
148 if (alloc_size) FIXME( "alloc_size not supported\n" );
149
150 /* check for named pipe */
151
152 if (attr->ObjectName->Length > sizeof(pipeW) &&
153 !memicmpW( attr->ObjectName->Buffer, pipeW, sizeof(pipeW)/sizeof(WCHAR) ))
154 {
155 SERVER_START_REQ( open_named_pipe )
156 {
157 req->access = access;
158 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
159 wine_server_add_data( req, attr->ObjectName->Buffer + 4,
160 attr->ObjectName->Length - 4*sizeof(WCHAR) );
161 io->u.Status = wine_server_call( req );
162 *handle = reply->handle;
163 }
164 SERVER_END_REQ;
165 return io->u.Status;
166 }
167
168 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
169 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
170
171 if (io->u.Status == STATUS_NO_SUCH_FILE &&
172 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
173 {
174 created = TRUE;
175 io->u.Status = STATUS_SUCCESS;
176 }
177
178 if (io->u.Status == STATUS_SUCCESS)
179 {
180 SERVER_START_REQ( create_file )
181 {
182 req->access = access;
183 req->inherit = (attr->Attributes & OBJ_INHERIT) != 0;
184 req->sharing = sharing;
185 req->create = disposition;
186 req->options = options;
187 req->attrs = attributes;
188 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
189 io->u.Status = wine_server_call( req );
190 *handle = reply->handle;
191 }
192 SERVER_END_REQ;
193 RtlFreeAnsiString( &unix_name );
194 }
195 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), io->u.Status );
196
197 if (io->u.Status == STATUS_SUCCESS)
198 {
199 if (created) io->Information = FILE_CREATED;
200 else switch(disposition)
201 {
202 case FILE_SUPERSEDE:
203 io->Information = FILE_SUPERSEDED;
204 break;
205 case FILE_CREATE:
206 io->Information = FILE_CREATED;
207 break;
208 case FILE_OPEN:
209 case FILE_OPEN_IF:
210 io->Information = FILE_OPENED;
211 break;
212 case FILE_OVERWRITE:
213 case FILE_OVERWRITE_IF:
214 io->Information = FILE_OVERWRITTEN;
215 break;
216 }
217 }
218
219 return io->u.Status;
220 }
221
222 /***********************************************************************
223 * Asynchronous file I/O *
224 */
225 static DWORD fileio_get_async_count(const async_private *ovp);
226 static void CALLBACK fileio_call_completion_func(ULONG_PTR data);
227 static void fileio_async_cleanup(async_private *ovp);
228
229 static async_ops fileio_async_ops =
230 {
231 fileio_get_async_count, /* get_count */
232 fileio_call_completion_func, /* call_completion */
233 fileio_async_cleanup /* cleanup */
234 };
235
236 static async_ops fileio_nocomp_async_ops =
237 {
238 fileio_get_async_count, /* get_count */
239 NULL, /* call_completion */
240 fileio_async_cleanup /* cleanup */
241 };
242
243 typedef struct async_fileio
244 {
245 struct async_private async;
246 PIO_APC_ROUTINE apc;
247 void* apc_user;
248 char *buffer;
249 unsigned int count;
250 off_t offset;
251 BOOL avail_mode;
252 } async_fileio;
253
254 static DWORD fileio_get_async_count(const struct async_private *ovp)
255 {
256 const async_fileio *fileio = (const async_fileio*) ovp;
257
258 if (fileio->count < fileio->async.iosb->Information)
259 return 0;
260 return fileio->count - fileio->async.iosb->Information;
261 }
262
263 static void CALLBACK fileio_call_completion_func(ULONG_PTR data)
264 {
265 async_fileio *ovp = (async_fileio*) data;
266 TRACE("data: %p\n", ovp);
267
268 ovp->apc( ovp->apc_user, ovp->async.iosb, ovp->async.iosb->Information );
269
270 fileio_async_cleanup( &ovp->async );
271 }
272
273 static void fileio_async_cleanup( struct async_private *ovp )
274 {
275 RtlFreeHeap( GetProcessHeap(), 0, ovp );
276 }
277
278 /***********************************************************************
279 * FILE_GetNtStatus(void)
280 *
281 * Retrieve the Nt Status code from errno.
282 * Try to be consistent with FILE_SetDosError().
283 */
284 NTSTATUS FILE_GetNtStatus(void)
285 {
286 int err = errno;
287
288 TRACE( "errno = %d\n", errno );
289 switch (err)
290 {
291 case EAGAIN: return STATUS_SHARING_VIOLATION;
292 case EBADF: return STATUS_INVALID_HANDLE;
293 case ENOSPC: return STATUS_DISK_FULL;
294 case EPERM:
295 case EROFS:
296 case EACCES: return STATUS_ACCESS_DENIED;
297 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
298 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
299 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
300 case EMFILE:
301 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
302 case EINVAL: return STATUS_INVALID_PARAMETER;
303 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
304 case EPIPE: return STATUS_PIPE_BROKEN;
305 case EIO: return STATUS_DEVICE_NOT_READY;
306 #ifdef ENOMEDIUM
307 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
308 #endif
309 case ENOTTY:
310 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
311 case ENOEXEC: /* ?? */
312 case ESPIPE: /* ?? */
313 case EEXIST: /* ?? */
314 default:
315 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
316 return STATUS_UNSUCCESSFUL;
317 }
318 }
319
320 /***********************************************************************
321 * FILE_AsyncReadService (INTERNAL)
322 *
323 * This function is called while the client is waiting on the
324 * server, so we can't make any server calls here.
325 */
326 static void FILE_AsyncReadService(async_private *ovp)
327 {
328 async_fileio *fileio = (async_fileio*) ovp;
329 IO_STATUS_BLOCK* io_status = fileio->async.iosb;
330 int result;
331 int already = io_status->Information;
332
333 TRACE("%p %p\n", io_status, fileio->buffer );
334
335 /* check to see if the data is ready (non-blocking) */
336
337 if ( fileio->avail_mode )
338 result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
339 else
340 {
341 result = pread(ovp->fd, &fileio->buffer[already], fileio->count - already,
342 fileio->offset + already);
343 if ((result < 0) && (errno == ESPIPE))
344 result = read(ovp->fd, &fileio->buffer[already], fileio->count - already);
345 }
346
347 if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
348 {
349 TRACE("Deferred read %d\n",errno);
350 io_status->u.Status = STATUS_PENDING;
351 return;
352 }
353
354 /* check to see if the transfer is complete */
355 if (result < 0)
356 {
357 io_status->u.Status = FILE_GetNtStatus();
358 return;
359 }
360 else if (result == 0)
361 {
362 io_status->u.Status = io_status->Information ? STATUS_SUCCESS : STATUS_END_OF_FILE;
363 return;
364 }
365
366 TRACE("status before: %s\n", (io_status->u.Status == STATUS_SUCCESS) ? "success" : "pending");
367 io_status->Information += result;
368 if (io_status->Information >= fileio->count || fileio->avail_mode )
369 io_status->u.Status = STATUS_SUCCESS;
370 else
371 io_status->u.Status = STATUS_PENDING;
372
373 TRACE("read %d more bytes %ld/%d so far (%s)\n",
374 result, io_status->Information, fileio->count, (io_status->u.Status == STATUS_SUCCESS) ? "success" : "pending");
375 }
376
377
378 /******************************************************************************
379 * NtReadFile [NTDLL.@]
380 * ZwReadFile [NTDLL.@]
381 *
382 * Read from an open file handle.
383 *
384 * PARAMS
385 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
386 * Event [I] Event to signal upon completion (or NULL)
387 * ApcRoutine [I] Callback to call upon completion (or NULL)
388 * ApcContext [I] Context for ApcRoutine (or NULL)
389 * IoStatusBlock [O] Receives information about the operation on return
390 * Buffer [O] Destination for the data read
391 * Length [I] Size of Buffer
392 * ByteOffset [O] Destination for the new file pointer position (or NULL)
393 * Key [O] Function unknown (may be NULL)
394 *
395 * RETURNS
396 * Success: 0. IoStatusBlock is updated, and the Information member contains
397 * The number of bytes read.
398 * Failure: An NTSTATUS error code describing the error.
399 */
400 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
401 PIO_APC_ROUTINE apc, void* apc_user,
402 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
403 PLARGE_INTEGER offset, PULONG key)
404 {
405 int unix_handle, flags;
406
407 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p),partial stub!\n",
408 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
409
410 io_status->Information = 0;
411 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_READ, &unix_handle, &flags );
412 if (io_status->u.Status) return io_status->u.Status;
413
414 if (flags & FD_FLAG_RECV_SHUTDOWN)
415 {
416 wine_server_release_fd( hFile, unix_handle );
417 return STATUS_PIPE_DISCONNECTED;
418 }
419
420 if (flags & FD_FLAG_TIMEOUT)
421 {
422 if (hEvent)
423 {
424 /* this shouldn't happen, but check it */
425 FIXME("NIY-hEvent\n");
426 wine_server_release_fd( hFile, unix_handle );
427 return STATUS_NOT_IMPLEMENTED;
428 }
429 io_status->u.Status = NtCreateEvent(&hEvent, SYNCHRONIZE, NULL, 0, 0);
430 if (io_status->u.Status)
431 {
432 wine_server_release_fd( hFile, unix_handle );
433 return io_status->u.Status;
434 }
435 }
436
437 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
438 {
439 async_fileio* ovp;
440 NTSTATUS ret;
441
442 if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
443 {
444 wine_server_release_fd( hFile, unix_handle );
445 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
446 return STATUS_NO_MEMORY;
447 }
448 ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
449 ovp->async.handle = hFile;
450 ovp->async.fd = unix_handle; /* FIXME */
451 ovp->async.type = ASYNC_TYPE_READ;
452 ovp->async.func = FILE_AsyncReadService;
453 ovp->async.event = hEvent;
454 ovp->async.iosb = io_status;
455 ovp->count = length;
456 if ( offset == NULL )
457 ovp->offset = 0;
458 else
459 {
460 ovp->offset = offset->QuadPart;
461 if (offset->u.HighPart && ovp->offset == offset->u.LowPart)
462 FIXME("High part of offset is lost\n");
463 }
464 ovp->apc = apc;
465 ovp->apc_user = apc_user;
466 ovp->buffer = buffer;
467 ovp->avail_mode = (flags & FD_FLAG_AVAILABLE);
468 NtResetEvent(hEvent, NULL);
469
470 ret = register_new_async(&ovp->async);
471 if (ret != STATUS_SUCCESS)
472 {
473 wine_server_release_fd( hFile, unix_handle );
474 if (flags & FD_FLAG_TIMEOUT) NtClose(hEvent);
475 RtlFreeHeap(GetProcessHeap(), 0, ovp);
476 return ret;
477 }
478 if (flags & FD_FLAG_TIMEOUT)
479 {
480 NtWaitForSingleObject(hEvent, TRUE, NULL);
481 NtClose(hEvent);
482 }
483 else
484 {
485 LARGE_INTEGER timeout;
486
487 /* let some APC be run, this will read some already pending data */
488 timeout.u.LowPart = timeout.u.HighPart = 0;
489 NtDelayExecution( TRUE, &timeout );
490 /* if we only have to read the available data, and none is available,
491 * simply cancel the request. If data was available, it has been read
492 * while in by previous call (NtDelayExecution)
493 */
494 if ((flags & FD_FLAG_AVAILABLE) && io_status->u.Status == STATUS_PENDING)
495 {
496 io_status->u.Status = STATUS_SUCCESS;
497 register_old_async(&ovp->async);
498 }
499 }
500 return io_status->u.Status;
501 }
502
503 if (offset)
504 {
505 FILE_POSITION_INFORMATION fpi;
506
507 fpi.CurrentByteOffset = *offset;
508 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
509 FilePositionInformation);
510 if (io_status->u.Status)
511 {
512 wine_server_release_fd( hFile, unix_handle );
513 return io_status->u.Status;
514 }
515 }
516 /* code for synchronous reads */
517 while ((io_status->Information = read( unix_handle, buffer, length )) == -1)
518 {
519 if ((errno == EAGAIN) || (errno == EINTR)) continue;
520 if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
521 io_status->u.Status = FILE_GetNtStatus();
522 break;
523 }
524 wine_server_release_fd( hFile, unix_handle );
525 return io_status->u.Status;
526 }
527
528 /***********************************************************************
529 * FILE_AsyncWriteService (INTERNAL)
530 *
531 * This function is called while the client is waiting on the
532 * server, so we can't make any server calls here.
533 */
534 static void FILE_AsyncWriteService(struct async_private *ovp)
535 {
536 async_fileio *fileio = (async_fileio *) ovp;
537 PIO_STATUS_BLOCK io_status = fileio->async.iosb;
538 int result;
539 int already = io_status->Information;
540
541 TRACE("(%p %p)\n",io_status,fileio->buffer);
542
543 /* write some data (non-blocking) */
544
545 if ( fileio->avail_mode )
546 result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
547 else
548 {
549 result = pwrite(ovp->fd, &fileio->buffer[already], fileio->count - already,
550 fileio->offset + already);
551 if ((result < 0) && (errno == ESPIPE))
552 result = write(ovp->fd, &fileio->buffer[already], fileio->count - already);
553 }
554
555 if ((result < 0) && ((errno == EAGAIN) || (errno == EINTR)))
556 {
557 io_status->u.Status = STATUS_PENDING;
558 return;
559 }
560
561 /* check to see if the transfer is complete */
562 if (result < 0)
563 {
564 io_status->u.Status = FILE_GetNtStatus();
565 return;
566 }
567
568 io_status->Information += result;
569 io_status->u.Status = (io_status->Information < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
570 TRACE("wrote %d more bytes %ld/%d so far\n",result,io_status->Information,fileio->count);
571 }
572
573 /******************************************************************************
574 * NtWriteFile [NTDLL.@]
575 * ZwWriteFile [NTDLL.@]
576 *
577 * Write to an open file handle.
578 *
579 * PARAMS
580 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
581 * Event [I] Event to signal upon completion (or NULL)
582 * ApcRoutine [I] Callback to call upon completion (or NULL)
583 * ApcContext [I] Context for ApcRoutine (or NULL)
584 * IoStatusBlock [O] Receives information about the operation on return
585 * Buffer [I] Source for the data to write
586 * Length [I] Size of Buffer
587 * ByteOffset [O] Destination for the new file pointer position (or NULL)
588 * Key [O] Function unknown (may be NULL)
589 *
590 * RETURNS
591 * Success: 0. IoStatusBlock is updated, and the Information member contains
592 * The number of bytes written.
593 * Failure: An NTSTATUS error code describing the error.
594 */
595 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
596 PIO_APC_ROUTINE apc, void* apc_user,
597 PIO_STATUS_BLOCK io_status,
598 const void* buffer, ULONG length,
599 PLARGE_INTEGER offset, PULONG key)
600 {
601 int unix_handle, flags;
602
603 TRACE("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%p)!\n",
604 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
605
606 io_status->Information = 0;
607 io_status->u.Status = wine_server_handle_to_fd( hFile, GENERIC_WRITE, &unix_handle, &flags );
608 if (io_status->u.Status) return io_status->u.Status;
609
610 if (flags & FD_FLAG_SEND_SHUTDOWN)
611 {
612 wine_server_release_fd( hFile, unix_handle );
613 return STATUS_PIPE_DISCONNECTED;
614 }
615
616 if (flags & (FD_FLAG_OVERLAPPED|FD_FLAG_TIMEOUT))
617 {
618 async_fileio* ovp;
619 NTSTATUS ret;
620
621 if (!(ovp = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(async_fileio))))
622 {
623 wine_server_release_fd( hFile, unix_handle );
624 return STATUS_NO_MEMORY;
625 }
626 ovp->async.ops = (apc ? &fileio_async_ops : &fileio_nocomp_async_ops );
627 ovp->async.handle = hFile;
628 ovp->async.fd = unix_handle; /* FIXME */
629 ovp->async.type = ASYNC_TYPE_WRITE;
630 ovp->async.func = FILE_AsyncWriteService;
631 ovp->async.event = hEvent;
632 ovp->async.iosb = io_status;
633 ovp->count = length;
634 if (offset) {
635 ovp->offset = offset->QuadPart;
636 if (offset->u.HighPart && ovp->offset == offset->u.LowPart)
637 FIXME("High part of offset is lost\n");
638 } else {
639 ovp->offset = 0;
640 }
641 ovp->apc = apc;
642 ovp->apc_user = apc_user;
643 ovp->buffer = (void*)buffer;
644 ovp->avail_mode = (flags & FD_FLAG_AVAILABLE);
645 NtResetEvent(hEvent, NULL);
646
647 io_status->Information = 0;
648 ret = register_new_async(&ovp->async);
649 if (ret != STATUS_SUCCESS)
650 return ret;
651 if (flags & FD_FLAG_TIMEOUT)
652 {
653 NtWaitForSingleObject(hEvent, TRUE, NULL);
654 NtClose(hEvent);
655 }
656 else
657 {
658 LARGE_INTEGER timeout;
659
660 /* let some APC be run, this will write as much data as possible */
661 timeout.u.LowPart = timeout.u.HighPart = 0;
662 NtDelayExecution( TRUE, &timeout );
663 }
664 return io_status->u.Status;
665 }
666
667 if (offset)
668 {
669 FILE_POSITION_INFORMATION fpi;
670
671 fpi.CurrentByteOffset = *offset;
672 io_status->u.Status = NtSetInformationFile(hFile, io_status, &fpi, sizeof(fpi),
673 FilePositionInformation);
674 if (io_status->u.Status)
675 {
676 wine_server_release_fd( hFile, unix_handle );
677 return io_status->u.Status;
678 }
679 }
680
681 /* synchronous file write */
682 while ((io_status->Information = write( unix_handle, buffer, length )) == -1)
683 {
684 if ((errno == EAGAIN) || (errno == EINTR)) continue;
685 if (errno == EFAULT) FIXME( "EFAULT handling broken for now\n" );
686 if (errno == ENOSPC) io_status->u.Status = STATUS_DISK_FULL;
687 else io_status->u.Status = FILE_GetNtStatus();
688 break;
689 }
690 wine_server_release_fd( hFile, unix_handle );
691 return io_status->u.Status;
692 }
693
694 /**************************************************************************
695 * NtDeviceIoControlFile [NTDLL.@]
696 * ZwDeviceIoControlFile [NTDLL.@]
697 *
698 * Perform an I/O control operation on an open file handle.
699 *
700 * PARAMS
701 * DeviceHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
702 * Event [I] Event to signal upon completion (or NULL)
703 * ApcRoutine [I] Callback to call upon completion (or NULL)
704 * ApcContext [I] Context for ApcRoutine (or NULL)
705 * IoStatusBlock [O] Receives information about the operation on return
706 * IoControlCode [I] Control code for the operation to perform
707 * InputBuffer [I] Source for any input data required (or NULL)
708 * InputBufferSize [I] Size of InputBuffer
709 * OutputBuffer [O] Source for any output data returned (or NULL)
710 * OutputBufferSize [I] Size of OutputBuffer
711 *
712 * RETURNS
713 * Success: 0. IoStatusBlock is updated.
714 * Failure: An NTSTATUS error code describing the error.
715 */
716 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE DeviceHandle, HANDLE hEvent,
717 PIO_APC_ROUTINE UserApcRoutine,
718 PVOID UserApcContext,
719 PIO_STATUS_BLOCK IoStatusBlock,
720 ULONG IoControlCode,
721 PVOID InputBuffer,
722 ULONG InputBufferSize,
723 PVOID OutputBuffer,
724 ULONG OutputBufferSize)
725 {
726 TRACE("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx)\n",
727 DeviceHandle, hEvent, UserApcRoutine, UserApcContext,
728 IoStatusBlock, IoControlCode,
729 InputBuffer, InputBufferSize, OutputBuffer, OutputBufferSize);
730
731 if (CDROM_DeviceIoControl(DeviceHandle, hEvent,
732 UserApcRoutine, UserApcContext,
733 IoStatusBlock, IoControlCode,
734 InputBuffer, InputBufferSize,
735 OutputBuffer, OutputBufferSize) == STATUS_NO_SUCH_DEVICE)
736 {
737 /* it wasn't a CDROM */
738 FIXME("Unimplemented dwIoControlCode=%08lx\n", IoControlCode);
739 IoStatusBlock->u.Status = STATUS_NOT_IMPLEMENTED;
740 IoStatusBlock->Information = 0;
741 if (hEvent) NtSetEvent(hEvent, NULL);
742 }
743 return IoStatusBlock->u.Status;
744 }
745
746 /******************************************************************************
747 * NtFsControlFile [NTDLL.@]
748 * ZwFsControlFile [NTDLL.@]
749 */
750 NTSTATUS WINAPI NtFsControlFile(
751 IN HANDLE DeviceHandle,
752 IN HANDLE Event OPTIONAL,
753 IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
754 IN PVOID ApcContext OPTIONAL,
755 OUT PIO_STATUS_BLOCK IoStatusBlock,
756 IN ULONG IoControlCode,
757 IN PVOID InputBuffer,
758 IN ULONG InputBufferSize,
759 OUT PVOID OutputBuffer,
760 IN ULONG OutputBufferSize)
761 {
762 FIXME("(%p,%p,%p,%p,%p,0x%08lx,%p,0x%08lx,%p,0x%08lx): stub\n",
763 DeviceHandle,Event,ApcRoutine,ApcContext,IoStatusBlock,IoControlCode,
764 InputBuffer,InputBufferSize,OutputBuffer,OutputBufferSize);
765 return 0;
766 }
767
768 /******************************************************************************
769 * NtSetVolumeInformationFile [NTDLL.@]
770 * ZwSetVolumeInformationFile [NTDLL.@]
771 *
772 * Set volume information for an open file handle.
773 *
774 * PARAMS
775 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
776 * IoStatusBlock [O] Receives information about the operation on return
777 * FsInformation [I] Source for volume information
778 * Length [I] Size of FsInformation
779 * FsInformationClass [I] Type of volume information to set
780 *
781 * RETURNS
782 * Success: 0. IoStatusBlock is updated.
783 * Failure: An NTSTATUS error code describing the error.
784 */
785 NTSTATUS WINAPI NtSetVolumeInformationFile(
786 IN HANDLE FileHandle,
787 PIO_STATUS_BLOCK IoStatusBlock,
788 PVOID FsInformation,
789 ULONG Length,
790 FS_INFORMATION_CLASS FsInformationClass)
791 {
792 FIXME("(%p,%p,%p,0x%08lx,0x%08x) stub\n",
793 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
794 return 0;
795 }
796
797 /******************************************************************************
798 * NtQueryInformationFile [NTDLL.@]
799 * ZwQueryInformationFile [NTDLL.@]
800 *
801 * Get information about an open file handle.
802 *
803 * PARAMS
804 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
805 * io [O] Receives information about the operation on return
806 * ptr [O] Destination for file information
807 * len [I] Size of FileInformation
808 * class [I] Type of file information to get
809 *
810 * RETURNS
811 * Success: 0. IoStatusBlock and FileInformation are updated.
812 * Failure: An NTSTATUS error code describing the error.
813 */
814 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
815 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
816 {
817 static const size_t info_sizes[] =
818 {
819 0,
820 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
821 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
822 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
823 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
824 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
825 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
826 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
827 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
828 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
829 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
830 0, /* FileLinkInformation */
831 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
832 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
833 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
834 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
835 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
836 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
837 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
838 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
839 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
840 0, /* FileAlternateNameInformation */
841 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
842 0, /* FilePipeInformation */
843 0, /* FilePipeLocalInformation */
844 0, /* FilePipeRemoteInformation */
845 0, /* FileMailslotQueryInformation */
846 0, /* FileMailslotSetInformation */
847 0, /* FileCompressionInformation */
848 0, /* FileObjectIdInformation */
849 0, /* FileCompletionInformation */
850 0, /* FileMoveClusterInformation */
851 0, /* FileQuotaInformation */
852 0, /* FileReparsePointInformation */
853 0, /* FileNetworkOpenInformation */
854 0, /* FileAttributeTagInformation */
855 0 /* FileTrackingInformation */
856 };
857
858 struct stat st;
859 int fd;
860
861 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", hFile, io, ptr, len, class);
862
863 io->Information = 0;
864
865 if (class <= 0 || class >= FileMaximumInformation)
866 return io->u.Status = STATUS_INVALID_INFO_CLASS;
867 if (!info_sizes[class])
868 {
869 FIXME("Unsupported class (%d)\n", class);
870 return io->u.Status = STATUS_NOT_IMPLEMENTED;
871 }
872 if (len < info_sizes[class])
873 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
874
875 if ((io->u.Status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
876 return io->u.Status;
877
878 switch (class)
879 {
880 case FileBasicInformation:
881 {
882 FILE_BASIC_INFORMATION *info = ptr;
883
884 if (fstat( fd, &st ) == -1)
885 io->u.Status = FILE_GetNtStatus();
886 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
887 io->u.Status = STATUS_INVALID_INFO_CLASS;
888 else
889 {
890 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
891 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
892 if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
893 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
894 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
895 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
896 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
897 }
898 }
899 break;
900 case FileStandardInformation:
901 {
902 FILE_STANDARD_INFORMATION *info = ptr;
903
904 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
905 else
906 {
907 if ((info->Directory = S_ISDIR(st.st_mode)))
908 {
909 info->AllocationSize.QuadPart = 0;
910 info->EndOfFile.QuadPart = 0;
911 info->NumberOfLinks = 1;
912 info->DeletePending = FALSE;
913 }
914 else
915 {
916 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
917 info->EndOfFile.QuadPart = st.st_size;
918 info->NumberOfLinks = st.st_nlink;
919 info->DeletePending = FALSE; /* FIXME */
920 }
921 }
922 }
923 break;
924 case FilePositionInformation:
925 {
926 FILE_POSITION_INFORMATION *info = ptr;
927 off_t res = lseek( fd, 0, SEEK_CUR );
928 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
929 else info->CurrentByteOffset.QuadPart = res;
930 }
931 break;
932 case FileInternalInformation:
933 {
934 FILE_INTERNAL_INFORMATION *info = ptr;
935
936 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
937 else info->IndexNumber.QuadPart = st.st_ino;
938 }
939 break;
940 case FileEaInformation:
941 {
942 FILE_EA_INFORMATION *info = ptr;
943 info->EaSize = 0;
944 }
945 break;
946 case FileEndOfFileInformation:
947 {
948 FILE_END_OF_FILE_INFORMATION *info = ptr;
949
950 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
951 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
952 }
953 break;
954 case FileAllInformation:
955 {
956 FILE_ALL_INFORMATION *info = ptr;
957
958 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
959 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
960 io->u.Status = STATUS_INVALID_INFO_CLASS;
961 else
962 {
963 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
964 {
965 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
966 info->StandardInformation.AllocationSize.QuadPart = 0;
967 info->StandardInformation.EndOfFile.QuadPart = 0;
968 info->StandardInformation.NumberOfLinks = 1;
969 info->StandardInformation.DeletePending = FALSE;
970 }
971 else
972 {
973 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
974 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
975 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
976 info->StandardInformation.NumberOfLinks = st.st_nlink;
977 info->StandardInformation.DeletePending = FALSE; /* FIXME */
978 }
979 if (!(st.st_mode & S_IWUSR))
980 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
981 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
982 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
983 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
984 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
985 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
986 info->EaInformation.EaSize = 0;
987 info->AccessInformation.AccessFlags = 0; /* FIXME */
988 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
989 info->ModeInformation.Mode = 0; /* FIXME */
990 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
991 info->NameInformation.FileNameLength = 0;
992 io->Information = sizeof(*info) - sizeof(WCHAR);
993 }
994 }
995 break;
996 default:
997 FIXME("Unsupported class (%d)\n", class);
998 io->u.Status = STATUS_NOT_IMPLEMENTED;
999 break;
1000 }
1001 wine_server_release_fd( hFile, fd );
1002 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1003 return io->u.Status;
1004 }
1005
1006 /******************************************************************************
1007 * NtSetInformationFile [NTDLL.@]
1008 * ZwSetInformationFile [NTDLL.@]
1009 *
1010 * Set information about an open file handle.
1011 *
1012 * PARAMS
1013 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1014 * io [O] Receives information about the operation on return
1015 * ptr [I] Source for file information
1016 * len [I] Size of FileInformation
1017 * class [I] Type of file information to set
1018 *
1019 * RETURNS
1020 * Success: 0. io is updated.
1021 * Failure: An NTSTATUS error code describing the error.
1022 */
1023 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1024 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1025 {
1026 int fd;
1027
1028 TRACE("(%p,%p,%p,0x%08lx,0x%08x)\n", handle, io, ptr, len, class);
1029
1030 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )))
1031 return io->u.Status;
1032
1033 io->u.Status = STATUS_SUCCESS;
1034 switch (class)
1035 {
1036 case FileBasicInformation:
1037 if (len >= sizeof(FILE_BASIC_INFORMATION))
1038 {
1039 struct stat st;
1040 const FILE_BASIC_INFORMATION *info = ptr;
1041
1042 #ifdef HAVE_FUTIMES
1043 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1044 {
1045 ULONGLONG sec, nsec;
1046 struct timeval tv[2];
1047
1048 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1049 {
1050
1051 tv[0].tv_sec = tv[0].tv_usec = 0;
1052 tv[1].tv_sec = tv[1].tv_usec = 0;
1053 if (!fstat( fd, &st ))
1054 {
1055 tv[0].tv_sec = st.st_atime;
1056 tv[1].tv_sec = st.st_mtime;
1057 }
1058 }
1059 if (info->LastAccessTime.QuadPart)
1060 {
1061 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1062 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1063 tv[0].tv_usec = (UINT)nsec / 10;
1064 }
1065 if (info->LastWriteTime.QuadPart)
1066 {
1067 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1068 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1069 tv[1].tv_usec = (UINT)nsec / 10;
1070 }
1071 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1072 }
1073 #endif /* HAVE_FUTIMES */
1074 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1075 {
1076 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1077 else
1078 {
1079 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1080 {
1081 if (S_ISDIR( st.st_mode))
1082 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1083 else
1084 st.st_mode &= ~0222; /* clear write permission bits */
1085 }
1086 else
1087 {
1088 /* add write permission only where we already have read permission */
1089 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1090 }
1091 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1092 }
1093 }
1094 }
1095 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1096 break;
1097
1098 case FilePositionInformation:
1099 if (len >= sizeof(FILE_POSITION_INFORMATION))
1100 {
1101 const FILE_POSITION_INFORMATION *info = ptr;
1102
1103 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1104 io->u.Status = FILE_GetNtStatus();
1105 }
1106 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1107 break;
1108
1109 case FileEndOfFileInformation:
1110 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1111 {
1112 struct stat st;
1113 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1114
1115 /* first try normal truncate */
1116 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1117
1118 /* now check for the need to extend the file */
1119 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1120 {
1121 static const char zero;
1122
1123 /* extend the file one byte beyond the requested size and then truncate it */
1124 /* this should work around ftruncate implementations that can't extend files */
1125 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1126 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1127 }
1128 io->u.Status = FILE_GetNtStatus();
1129 }
1130 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1131 break;
1132
1133 default:
1134 FIXME("Unsupported class (%d)\n", class);
1135 io->u.Status = STATUS_NOT_IMPLEMENTED;
1136 break;
1137 }
1138 wine_server_release_fd( handle, fd );
1139 io->Information = 0;
1140 return io->u.Status;
1141 }
1142
1143
1144 /******************************************************************************
1145 * NtQueryFullAttributesFile (NTDLL.@)
1146 */
1147 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1148 FILE_NETWORK_OPEN_INFORMATION *info )
1149 {
1150 ANSI_STRING unix_name;
1151 NTSTATUS status;
1152
1153 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1154 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1155 {
1156 struct stat st;
1157
1158 if (stat( unix_name.Buffer, &st ) == -1)
1159 status = FILE_GetNtStatus();
1160 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1161 status = STATUS_INVALID_INFO_CLASS;
1162 else
1163 {
1164 if (S_ISDIR(st.st_mode))
1165 {
1166 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1167 info->AllocationSize.QuadPart = 0;
1168 info->EndOfFile.QuadPart = 0;
1169 }
1170 else
1171 {
1172 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1173 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1174 info->EndOfFile.QuadPart = st.st_size;
1175 }
1176 if (!(st.st_mode & S_IWUSR)) info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1177 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1178 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1179 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1180 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1181 if (DIR_is_hidden_file( attr->ObjectName ))
1182 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1183 }
1184 RtlFreeAnsiString( &unix_name );
1185 }
1186 else WARN("%s not found (%lx)\n", debugstr_us(attr->ObjectName), status );
1187 return status;
1188 }
1189
1190
1191 /******************************************************************************
1192 * NtQueryAttributesFile (NTDLL.@)
1193 * ZwQueryAttributesFile (NTDLL.@)
1194 */
1195 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1196 {
1197 FILE_NETWORK_OPEN_INFORMATION full_info;
1198 NTSTATUS status;
1199
1200 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
1201 {
1202 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
1203 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
1204 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
1205 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
1206 info->FileAttributes = full_info.FileAttributes;
1207 }
1208 return status;
1209 }
1210
1211
1212 /******************************************************************************
1213 * NtQueryVolumeInformationFile [NTDLL.@]
1214 * ZwQueryVolumeInformationFile [NTDLL.@]
1215 *
1216 * Get volume information for an open file handle.
1217 *
1218 * PARAMS
1219 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1220 * io [O] Receives information about the operation on return
1221 * buffer [O] Destination for volume information
1222 * length [I] Size of FsInformation
1223 * info_class [I] Type of volume information to set
1224 *
1225 * RETURNS
1226 * Success: 0. io and buffer are updated.
1227 * Failure: An NTSTATUS error code describing the error.
1228 */
1229 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
1230 PVOID buffer, ULONG length,
1231 FS_INFORMATION_CLASS info_class )
1232 {
1233 int fd;
1234 struct stat st;
1235
1236 if ((io->u.Status = wine_server_handle_to_fd( handle, 0, &fd, NULL )) != STATUS_SUCCESS)
1237 return io->u.Status;
1238
1239 io->u.Status = STATUS_NOT_IMPLEMENTED;
1240 io->Information = 0;
1241
1242 switch( info_class )
1243 {
1244 case FileFsVolumeInformation:
1245 FIXME( "%p: volume info not supported\n", handle );
1246 break;
1247 case FileFsLabelInformation:
1248 FIXME( "%p: label info not supported\n", handle );
1249 break;
1250 case FileFsSizeInformation:
1251 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
1252 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1253 else
1254 {
1255 FILE_FS_SIZE_INFORMATION *info = buffer;
1256 struct statvfs stvfs;
1257
1258 if (fstat( fd, &st ) < 0)
1259 {
1260 io->u.Status = FILE_GetNtStatus();
1261 break;
1262 }
1263 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1264 {
1265 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
1266 break;
1267 }
1268 if (fstatvfs( fd, &stvfs ) < 0) io->u.Status = FILE_GetNtStatus();
1269 else
1270 {
1271 info->TotalAllocationUnits.QuadPart = stvfs.f_blocks;
1272 info->AvailableAllocationUnits.QuadPart = stvfs.f_bavail;
1273 info->SectorsPerAllocationUnit = 1;
1274 info->BytesPerSector = stvfs.f_frsize;
1275 io->Information = sizeof(*info);
1276 io->u.Status = STATUS_SUCCESS;
1277 }
1278 }
1279 break;
1280 case FileFsDeviceInformation:
1281 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
1282 io->u.Status = STATUS_BUFFER_TOO_SMALL;
1283 else
1284 {
1285 FILE_FS_DEVICE_INFORMATION *info = buffer;
1286
1287 info->Characteristics = 0;
1288 if (fstat( fd, &st ) < 0)
1289 {
1290 io->u.Status = FILE_GetNtStatus();
1291 break;
1292 }
1293 if (S_ISCHR( st.st_mode ))
1294 {
1295 info->DeviceType = FILE_DEVICE_UNKNOWN;
1296 #ifdef linux
1297 switch(major(st.st_rdev))
1298 {
1299 case MEM_MAJOR:
1300 info->DeviceType = FILE_DEVICE_NULL;
1301 break;
1302 case TTY_MAJOR:
1303 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
1304 break;
1305 case LP_MAJOR:
1306 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
1307 break;
1308 }
1309 #endif
1310 }
1311 else if (S_ISBLK( st.st_mode ))
1312 {
1313 info->DeviceType = FILE_DEVICE_DISK;
1314 }
1315 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
1316 {
1317 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
1318 }
1319 else /* regular file or directory */
1320 {
1321 #if defined(linux) && defined(HAVE_FSTATFS)
1322 struct statfs stfs;
1323
1324 /* check for floppy disk */
1325 if (major(st.st_dev) == FLOPPY_MAJOR)
1326 info->Characteristics |= FILE_REMOVABLE_MEDIA;
1327
1328 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
1329 switch (stfs.f_type)
1330 {
1331 case 0x9660: /* iso9660 */
1332 case 0x15013346: /* udf */
1333 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
1334 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
1335 break;
1336 case 0x6969: /* nfs */
1337 case 0x517B: /* smbfs */
1338 case 0x564c: /* ncpfs */
1339 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
1340 info->Characteristics |= FILE_REMOTE_DEVICE;
1341 break;
1342 case 0x01021994: /* tmpfs */
1343 case 0x28cd3d45: /* cramfs */
1344 case 0x1373: /* devfs */
1345 case 0x9fa0: /* procfs */
1346 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
1347 break;
1348 default:
1349 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1350 break;
1351 }
1352 #else
1353 static int warned;
1354 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
1355 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
1356 #endif
1357 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
1358 }
1359 io->Information = sizeof(*info);
1360 io->u.Status = STATUS_SUCCESS;
1361 }
1362 break;
1363 case FileFsAttributeInformation:
1364 FIXME( "%p: attribute info not supported\n", handle );
1365 break;
1366 case FileFsControlInformation:
1367 FIXME( "%p: control info not supported\n", handle );
1368 break;
1369 case FileFsFullSizeInformation:
1370 FIXME( "%p: full size info not supported\n", handle );
1371 break;
1372 case FileFsObjectIdInformation:
1373 FIXME( "%p: object id info not supported\n", handle );
1374 break;
1375 case FileFsMaximumInformation:
1376 FIXME( "%p: maximum info not supported\n", handle );
1377 break;
1378 default:
1379 io->u.Status = STATUS_INVALID_PARAMETER;
1380 break;
1381 }
1382 wine_server_release_fd( handle, fd );
1383 return io->u.Status;
1384 }
1385
1386
1387 /******************************************************************
1388 * NtFlushBuffersFile (NTDLL.@)
1389 *
1390 * Flush any buffered data on an open file handle.
1391 *
1392 * PARAMS
1393 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1394 * IoStatusBlock [O] Receives information about the operation on return
1395 *
1396 * RETURNS
1397 * Success: 0. IoStatusBlock is updated.
1398 * Failure: An NTSTATUS error code describing the error.
1399 */
1400 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
1401 {
1402 NTSTATUS ret;
1403 HANDLE hEvent = NULL;
1404
1405 SERVER_START_REQ( flush_file )
1406 {
1407 req->handle = hFile;
1408 ret = wine_server_call( req );
1409 hEvent = reply->event;
1410 }
1411 SERVER_END_REQ;
1412 if (!ret && hEvent)
1413 {
1414 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
1415 NtClose( hEvent );
1416 }
1417 return ret;
1418 }
1419
1420 /******************************************************************
1421 * NtLockFile (NTDLL.@)
1422 *
1423 *
1424 */
1425 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
1426 PIO_APC_ROUTINE apc, void* apc_user,
1427 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
1428 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
1429 BOOLEAN exclusive )
1430 {
1431 NTSTATUS ret;
1432 HANDLE handle;
1433 BOOLEAN async;
1434
1435 if (apc || io_status || key)
1436 {
1437 FIXME("Unimplemented yet parameter\n");
1438 return STATUS_NOT_IMPLEMENTED;
1439 }
1440
1441 for (;;)
1442 {
1443 SERVER_START_REQ( lock_file )
1444 {
1445 req->handle = hFile;
1446 req->offset_low = offset->u.LowPart;
1447 req->offset_high = offset->u.HighPart;
1448 req->count_low = count->u.LowPart;
1449 req->count_high = count->u.HighPart;
1450 req->shared = !exclusive;
1451 req->wait = !dont_wait;
1452 ret = wine_server_call( req );
1453 handle = reply->handle;
1454 async = reply->overlapped;
1455 }
1456 SERVER_END_REQ;
1457 if (ret != STATUS_PENDING)
1458 {
1459 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
1460 return ret;
1461 }
1462
1463 if (async)
1464 {
1465 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
1466 if (handle) NtClose( handle );
1467 return STATUS_PENDING;
1468 }
1469 if (handle)
1470 {
1471 NtWaitForSingleObject( handle, FALSE, NULL );
1472 NtClose( handle );
1473 }
1474 else
1475 {
1476 LARGE_INTEGER time;
1477
1478 /* Unix lock conflict, sleep a bit and retry */
1479 time.QuadPart = 100 * (ULONGLONG)10000;
1480 time.QuadPart = -time.QuadPart;
1481 NtDelayExecution( FALSE, &time );
1482 }
1483 }
1484 }
1485
1486
1487 /******************************************************************
1488 * NtUnlockFile (NTDLL.@)
1489 *
1490 *
1491 */
1492 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
1493 PLARGE_INTEGER offset, PLARGE_INTEGER count,
1494 PULONG key )
1495 {
1496 NTSTATUS status;
1497
1498 TRACE( "%p %lx%08lx %lx%08lx\n",
1499 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
1500
1501 if (io_status || key)
1502 {
1503 FIXME("Unimplemented yet parameter\n");
1504 return STATUS_NOT_IMPLEMENTED;
1505 }
1506
1507 SERVER_START_REQ( unlock_file )
1508 {
1509 req->handle = hFile;
1510 req->offset_low = offset->u.LowPart;
1511 req->offset_high = offset->u.HighPart;
1512 req->count_low = count->u.LowPart;
1513 req->count_high = count->u.HighPart;
1514 status = wine_server_call( req );
1515 }
1516 SERVER_END_REQ;
1517 return status;
1518 }
1519
1520 /******************************************************************
1521 * NtCreateNamedPipeFile (NTDLL.@)
1522 *
1523 *
1524 */
1525 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE FileHandle, ULONG DesiredAccess,
1526 POBJECT_ATTRIBUTES ObjectAttributes, PIO_STATUS_BLOCK IoStatusBlock,
1527 ULONG ShareAccess, ULONG CreateDisposition, ULONG CreateOptions,
1528 ULONG NamedPipeType, ULONG ReadMode, ULONG CompletionMode,
1529 ULONG MaximumInstances, ULONG InboundQuota, ULONG OutboundQuota,
1530 PLARGE_INTEGER DefaultTimeout)
1531 {
1532 FIXME("(%p %lx %p %p %lx %ld %lx %ld %ld %ld %ld %ld %ld %p): stub\n",
1533 FileHandle, DesiredAccess, ObjectAttributes, IoStatusBlock,
1534 ShareAccess, CreateDisposition, CreateOptions, NamedPipeType,
1535 ReadMode, CompletionMode, MaximumInstances, InboundQuota,
1536 OutboundQuota, DefaultTimeout);
1537 return STATUS_NOT_IMPLEMENTED;
1538 }
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