push b0b97fcd59eff07f047585692fa36859b459324f
[wine/hacks.git] / dlls / ntdll / file.c
blob57460234a9ed1d69da6497f6c23585652db3ab0d
1 /*
2 * Copyright 1999, 2000 Juergen Schmied
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.
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.
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
19 #include "config.h"
20 #include "wine/port.h"
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
73 #define NONAMELESSUNION
74 #define NONAMELESSSTRUCT
75 #include "ntstatus.h"
76 #define WIN32_NO_STATUS
77 #include "wine/unicode.h"
78 #include "wine/debug.h"
79 #include "wine/server.h"
80 #include "ntdll_misc.h"
82 #include "winternl.h"
83 #include "winioctl.h"
84 #include "ddk/ntddser.h"
86 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
88 mode_t FILE_umask = 0;
90 #define SECSPERDAY 86400
91 #define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
93 /**************************************************************************
94 * NtOpenFile [NTDLL.@]
95 * ZwOpenFile [NTDLL.@]
97 * Open a file.
99 * PARAMS
100 * handle [O] Variable that receives the file handle on return
101 * access [I] Access desired by the caller to the file
102 * attr [I] Structure describing the file to be opened
103 * io [O] Receives details about the result of the operation
104 * sharing [I] Type of shared access the caller requires
105 * options [I] Options for the file open
107 * RETURNS
108 * Success: 0. FileHandle and IoStatusBlock are updated.
109 * Failure: An NTSTATUS error code describing the error.
111 NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
112 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
113 ULONG sharing, ULONG options )
115 return NtCreateFile( handle, access, attr, io, NULL, 0,
116 sharing, FILE_OPEN, options, NULL, 0 );
119 /**************************************************************************
120 * NtCreateFile [NTDLL.@]
121 * ZwCreateFile [NTDLL.@]
123 * Either create a new file or directory, or open an existing file, device,
124 * directory or volume.
126 * PARAMS
127 * handle [O] Points to a variable which receives the file handle on return
128 * access [I] Desired access to the file
129 * attr [I] Structure describing the file
130 * io [O] Receives information about the operation on return
131 * alloc_size [I] Initial size of the file in bytes
132 * attributes [I] Attributes to create the file with
133 * sharing [I] Type of shared access the caller would like to the file
134 * disposition [I] Specifies what to do, depending on whether the file already exists
135 * options [I] Options for creating a new file
136 * ea_buffer [I] Pointer to an extended attributes buffer
137 * ea_length [I] Length of ea_buffer
139 * RETURNS
140 * Success: 0. handle and io are updated.
141 * Failure: An NTSTATUS error code describing the error.
143 NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
144 PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
145 ULONG attributes, ULONG sharing, ULONG disposition,
146 ULONG options, PVOID ea_buffer, ULONG ea_length )
148 ANSI_STRING unix_name;
149 int created = FALSE;
151 TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p\n"
152 "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
153 handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
154 attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
155 attributes, sharing, disposition, options, ea_buffer, ea_length );
157 if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
159 if (alloc_size) FIXME( "alloc_size not supported\n" );
161 if (attr->RootDirectory)
163 FIXME( "RootDirectory %p not supported\n", attr->RootDirectory );
164 return STATUS_OBJECT_NAME_NOT_FOUND;
167 io->u.Status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, disposition,
168 !(attr->Attributes & OBJ_CASE_INSENSITIVE) );
170 if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
172 SERVER_START_REQ( open_file_object )
174 req->access = access;
175 req->attributes = attr->Attributes;
176 req->rootdir = attr->RootDirectory;
177 req->sharing = sharing;
178 req->options = options;
179 wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
180 io->u.Status = wine_server_call( req );
181 *handle = reply->handle;
183 SERVER_END_REQ;
184 if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
185 return io->u.Status;
188 if (io->u.Status == STATUS_NO_SUCH_FILE &&
189 disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
191 created = TRUE;
192 io->u.Status = STATUS_SUCCESS;
195 if (io->u.Status == STATUS_SUCCESS)
197 struct security_descriptor *sd = NULL;
198 struct object_attributes objattr;
200 objattr.rootdir = 0;
201 objattr.sd_len = 0;
202 objattr.name_len = 0;
203 if (attr)
205 io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
206 if (io->u.Status != STATUS_SUCCESS)
208 RtlFreeAnsiString( &unix_name );
209 return io->u.Status;
213 SERVER_START_REQ( create_file )
215 req->access = access;
216 req->attributes = attr->Attributes;
217 req->sharing = sharing;
218 req->create = disposition;
219 req->options = options;
220 req->attrs = attributes;
221 wine_server_add_data( req, &objattr, sizeof(objattr) );
222 if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
223 wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
224 io->u.Status = wine_server_call( req );
225 *handle = reply->handle;
227 SERVER_END_REQ;
228 NTDLL_free_struct_sd( sd );
229 RtlFreeAnsiString( &unix_name );
231 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
233 if (io->u.Status == STATUS_SUCCESS)
235 if (created) io->Information = FILE_CREATED;
236 else switch(disposition)
238 case FILE_SUPERSEDE:
239 io->Information = FILE_SUPERSEDED;
240 break;
241 case FILE_CREATE:
242 io->Information = FILE_CREATED;
243 break;
244 case FILE_OPEN:
245 case FILE_OPEN_IF:
246 io->Information = FILE_OPENED;
247 break;
248 case FILE_OVERWRITE:
249 case FILE_OVERWRITE_IF:
250 io->Information = FILE_OVERWRITTEN;
251 break;
255 return io->u.Status;
258 /***********************************************************************
259 * Asynchronous file I/O *
262 struct async_fileio
264 HANDLE handle;
265 PIO_APC_ROUTINE apc;
266 void *apc_arg;
269 typedef struct
271 struct async_fileio io;
272 char* buffer;
273 unsigned int already;
274 unsigned int count;
275 BOOL avail_mode;
276 } async_fileio_read;
278 typedef struct
280 struct async_fileio io;
281 const char *buffer;
282 unsigned int already;
283 unsigned int count;
284 } async_fileio_write;
287 /* callback for file I/O user APC */
288 static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
290 struct async_fileio *async = arg;
291 if (async->apc) async->apc( async->apc_arg, io, reserved );
292 RtlFreeHeap( GetProcessHeap(), 0, async );
295 /***********************************************************************
296 * FILE_GetNtStatus(void)
298 * Retrieve the Nt Status code from errno.
299 * Try to be consistent with FILE_SetDosError().
301 NTSTATUS FILE_GetNtStatus(void)
303 int err = errno;
305 TRACE( "errno = %d\n", errno );
306 switch (err)
308 case EAGAIN: return STATUS_SHARING_VIOLATION;
309 case EBADF: return STATUS_INVALID_HANDLE;
310 case EBUSY: return STATUS_DEVICE_BUSY;
311 case ENOSPC: return STATUS_DISK_FULL;
312 case EPERM:
313 case EROFS:
314 case EACCES: return STATUS_ACCESS_DENIED;
315 case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
316 case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
317 case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
318 case EMFILE:
319 case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
320 case EINVAL: return STATUS_INVALID_PARAMETER;
321 case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
322 case EPIPE: return STATUS_PIPE_DISCONNECTED;
323 case EIO: return STATUS_DEVICE_NOT_READY;
324 #ifdef ENOMEDIUM
325 case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
326 #endif
327 case ENXIO: return STATUS_NO_SUCH_DEVICE;
328 case ENOTTY:
329 case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
330 case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
331 case EFAULT: return STATUS_ACCESS_VIOLATION;
332 case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
333 case ENOEXEC: /* ?? */
334 case EEXIST: /* ?? */
335 default:
336 FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
337 return STATUS_UNSUCCESSFUL;
341 /***********************************************************************
342 * FILE_AsyncReadService (INTERNAL)
344 static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, ULONG_PTR *total)
346 async_fileio_read *fileio = user;
347 int fd, needs_close, result;
349 switch (status)
351 case STATUS_ALERTED: /* got some new data */
352 /* check to see if the data is ready (non-blocking) */
353 if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
354 &needs_close, NULL, NULL )))
355 break;
357 result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
358 if (needs_close) close( fd );
360 if (result < 0)
362 if (errno == EAGAIN || errno == EINTR)
363 status = STATUS_PENDING;
364 else /* check to see if the transfer is complete */
365 status = FILE_GetNtStatus();
367 else if (result == 0)
369 status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
371 else
373 fileio->already += result;
374 if (fileio->already >= fileio->count || fileio->avail_mode)
375 status = STATUS_SUCCESS;
376 else
378 /* if we only have to read the available data, and none is available,
379 * simply cancel the request. If data was available, it has been read
380 * while in by previous call (NtDelayExecution)
382 status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
385 break;
387 case STATUS_TIMEOUT:
388 case STATUS_IO_TIMEOUT:
389 if (fileio->already) status = STATUS_SUCCESS;
390 break;
392 if (status != STATUS_PENDING)
394 iosb->u.Status = status;
395 iosb->Information = *total = fileio->already;
397 return status;
400 struct io_timeouts
402 int interval; /* max interval between two bytes */
403 int total; /* total timeout for the whole operation */
404 int end_time; /* absolute time of end of operation */
407 /* retrieve the I/O timeouts to use for a given handle */
408 static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
409 struct io_timeouts *timeouts )
411 NTSTATUS status = STATUS_SUCCESS;
413 timeouts->interval = timeouts->total = -1;
415 switch(type)
417 case FD_TYPE_SERIAL:
419 /* GetCommTimeouts */
420 SERIAL_TIMEOUTS st;
421 IO_STATUS_BLOCK io;
423 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
424 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
425 if (status) break;
427 if (is_read)
429 if (st.ReadIntervalTimeout)
430 timeouts->interval = st.ReadIntervalTimeout;
432 if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
434 timeouts->total = st.ReadTotalTimeoutConstant;
435 if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
436 timeouts->total += count * st.ReadTotalTimeoutMultiplier;
438 else if (st.ReadIntervalTimeout == MAXDWORD)
439 timeouts->interval = timeouts->total = 0;
441 else /* write */
443 if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
445 timeouts->total = st.WriteTotalTimeoutConstant;
446 if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
447 timeouts->total += count * st.WriteTotalTimeoutMultiplier;
451 break;
452 case FD_TYPE_MAILSLOT:
453 if (is_read)
455 timeouts->interval = 0; /* return as soon as we got something */
456 SERVER_START_REQ( set_mailslot_info )
458 req->handle = handle;
459 req->flags = 0;
460 if (!(status = wine_server_call( req )) &&
461 reply->read_timeout != TIMEOUT_INFINITE)
462 timeouts->total = reply->read_timeout / -10000;
464 SERVER_END_REQ;
466 break;
467 case FD_TYPE_SOCKET:
468 case FD_TYPE_PIPE:
469 case FD_TYPE_CHAR:
470 if (is_read) timeouts->interval = 0; /* return as soon as we got something */
471 break;
472 default:
473 break;
475 if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
476 return STATUS_SUCCESS;
480 /* retrieve the timeout for the next wait, in milliseconds */
481 static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
483 int ret = -1;
485 if (timeouts->total != -1)
487 ret = timeouts->end_time - NtGetTickCount();
488 if (ret < 0) ret = 0;
490 if (already && timeouts->interval != -1)
492 if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
494 return ret;
498 /* retrieve the avail_mode flag for async reads */
499 static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
501 NTSTATUS status = STATUS_SUCCESS;
503 switch(type)
505 case FD_TYPE_SERIAL:
507 /* GetCommTimeouts */
508 SERIAL_TIMEOUTS st;
509 IO_STATUS_BLOCK io;
511 status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
512 IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
513 if (status) break;
514 *avail_mode = (!st.ReadTotalTimeoutMultiplier &&
515 !st.ReadTotalTimeoutConstant &&
516 st.ReadIntervalTimeout == MAXDWORD);
518 break;
519 case FD_TYPE_MAILSLOT:
520 case FD_TYPE_SOCKET:
521 case FD_TYPE_PIPE:
522 case FD_TYPE_CHAR:
523 *avail_mode = TRUE;
524 break;
525 default:
526 *avail_mode = FALSE;
527 break;
529 return status;
533 /******************************************************************************
534 * NtReadFile [NTDLL.@]
535 * ZwReadFile [NTDLL.@]
537 * Read from an open file handle.
539 * PARAMS
540 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
541 * Event [I] Event to signal upon completion (or NULL)
542 * ApcRoutine [I] Callback to call upon completion (or NULL)
543 * ApcContext [I] Context for ApcRoutine (or NULL)
544 * IoStatusBlock [O] Receives information about the operation on return
545 * Buffer [O] Destination for the data read
546 * Length [I] Size of Buffer
547 * ByteOffset [O] Destination for the new file pointer position (or NULL)
548 * Key [O] Function unknown (may be NULL)
550 * RETURNS
551 * Success: 0. IoStatusBlock is updated, and the Information member contains
552 * The number of bytes read.
553 * Failure: An NTSTATUS error code describing the error.
555 NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
556 PIO_APC_ROUTINE apc, void* apc_user,
557 PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
558 PLARGE_INTEGER offset, PULONG key)
560 int result, unix_handle, needs_close, timeout_init_done = 0;
561 unsigned int options;
562 struct io_timeouts timeouts;
563 NTSTATUS status;
564 ULONG total = 0;
565 enum server_fd_type type;
566 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
568 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
569 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
571 if (!io_status) return STATUS_ACCESS_VIOLATION;
573 status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
574 &needs_close, &type, &options );
575 if (status) return status;
577 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
579 /* async I/O doesn't make sense on regular files */
580 while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
582 if (errno != EINTR)
584 status = FILE_GetNtStatus();
585 goto done;
588 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
589 /* update file pointer position */
590 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
592 total = result;
593 status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
594 goto done;
597 for (;;)
599 if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
601 total += result;
602 if (!result || total == length)
604 if (total)
606 status = STATUS_SUCCESS;
607 goto done;
609 switch (type)
611 case FD_TYPE_FILE:
612 case FD_TYPE_CHAR:
613 status = STATUS_END_OF_FILE;
614 goto done;
615 case FD_TYPE_SERIAL:
616 break;
617 default:
618 status = STATUS_PIPE_BROKEN;
619 goto done;
623 else
625 if (errno == EINTR) continue;
626 if (errno != EAGAIN)
628 status = FILE_GetNtStatus();
629 goto done;
633 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
635 async_fileio_read *fileio;
636 BOOL avail_mode;
638 if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
639 goto err;
640 if (total && avail_mode)
642 status = STATUS_SUCCESS;
643 goto done;
646 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
648 status = STATUS_NO_MEMORY;
649 goto err;
651 fileio->io.handle = hFile;
652 fileio->io.apc = apc;
653 fileio->io.apc_arg = apc_user;
654 fileio->already = total;
655 fileio->count = length;
656 fileio->buffer = buffer;
657 fileio->avail_mode = avail_mode;
659 SERVER_START_REQ( register_async )
661 req->handle = hFile;
662 req->type = ASYNC_TYPE_READ;
663 req->count = length;
664 req->async.callback = FILE_AsyncReadService;
665 req->async.iosb = io_status;
666 req->async.arg = fileio;
667 req->async.apc = fileio_apc;
668 req->async.event = hEvent;
669 req->async.cvalue = cvalue;
670 status = wine_server_call( req );
672 SERVER_END_REQ;
674 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
675 goto err;
677 else /* synchronous read, wait for the fd to become ready */
679 struct pollfd pfd;
680 int ret, timeout;
682 if (!timeout_init_done)
684 timeout_init_done = 1;
685 if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
686 goto err;
687 if (hEvent) NtResetEvent( hEvent, NULL );
689 timeout = get_next_io_timeout( &timeouts, total );
691 pfd.fd = unix_handle;
692 pfd.events = POLLIN;
694 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
696 if (total) /* return with what we got so far */
697 status = STATUS_SUCCESS;
698 else
699 status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
700 goto done;
702 if (ret == -1 && errno != EINTR)
704 status = FILE_GetNtStatus();
705 goto done;
707 /* will now restart the read */
711 done:
712 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
714 err:
715 if (needs_close) close( unix_handle );
716 if (status == STATUS_SUCCESS)
718 io_status->u.Status = status;
719 io_status->Information = total;
720 TRACE("= SUCCESS (%u)\n", total);
721 if (hEvent) NtSetEvent( hEvent, NULL );
722 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
723 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
725 else
727 TRACE("= 0x%08x\n", status);
728 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
730 return status;
734 /******************************************************************************
735 * NtReadFileScatter [NTDLL.@]
736 * ZwReadFileScatter [NTDLL.@]
738 NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
739 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
740 ULONG length, PLARGE_INTEGER offset, PULONG key )
742 size_t page_size = getpagesize();
743 int result, unix_handle, needs_close;
744 unsigned int options;
745 NTSTATUS status;
746 ULONG pos = 0, total = 0;
747 enum server_fd_type type;
748 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
750 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
751 file, event, apc, apc_user, io_status, segments, length, offset, key);
753 if (length % page_size) return STATUS_INVALID_PARAMETER;
754 if (!io_status) return STATUS_ACCESS_VIOLATION;
756 status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
757 &needs_close, &type, &options );
758 if (status) return status;
760 if ((type != FD_TYPE_FILE) ||
761 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
762 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
764 status = STATUS_INVALID_PARAMETER;
765 goto error;
768 while (length)
770 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
771 result = pread( unix_handle, (char *)segments->Buffer + pos,
772 page_size - pos, offset->QuadPart + total );
773 else
774 result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
776 if (result == -1)
778 if (errno == EINTR) continue;
779 status = FILE_GetNtStatus();
780 break;
782 if (!result)
784 status = STATUS_END_OF_FILE;
785 break;
787 total += result;
788 length -= result;
789 if ((pos += result) == page_size)
791 pos = 0;
792 segments++;
796 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
798 error:
799 if (needs_close) close( unix_handle );
800 if (status == STATUS_SUCCESS)
802 io_status->u.Status = status;
803 io_status->Information = total;
804 TRACE("= SUCCESS (%u)\n", total);
805 if (event) NtSetEvent( event, NULL );
806 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
807 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
809 else
811 TRACE("= 0x%08x\n", status);
812 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
814 return status;
818 /***********************************************************************
819 * FILE_AsyncWriteService (INTERNAL)
821 static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, ULONG_PTR *total)
823 async_fileio_write *fileio = user;
824 int result, fd, needs_close;
825 enum server_fd_type type;
827 switch (status)
829 case STATUS_ALERTED:
830 /* write some data (non-blocking) */
831 if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
832 &needs_close, &type, NULL )))
833 break;
835 if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
836 result = send( fd, fileio->buffer, 0, 0 );
837 else
838 result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
840 if (needs_close) close( fd );
842 if (result < 0)
844 if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
845 else status = FILE_GetNtStatus();
847 else
849 fileio->already += result;
850 status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
852 break;
854 case STATUS_TIMEOUT:
855 case STATUS_IO_TIMEOUT:
856 if (fileio->already) status = STATUS_SUCCESS;
857 break;
859 if (status != STATUS_PENDING)
861 iosb->u.Status = status;
862 iosb->Information = *total = fileio->already;
864 return status;
867 /******************************************************************************
868 * NtWriteFile [NTDLL.@]
869 * ZwWriteFile [NTDLL.@]
871 * Write to an open file handle.
873 * PARAMS
874 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
875 * Event [I] Event to signal upon completion (or NULL)
876 * ApcRoutine [I] Callback to call upon completion (or NULL)
877 * ApcContext [I] Context for ApcRoutine (or NULL)
878 * IoStatusBlock [O] Receives information about the operation on return
879 * Buffer [I] Source for the data to write
880 * Length [I] Size of Buffer
881 * ByteOffset [O] Destination for the new file pointer position (or NULL)
882 * Key [O] Function unknown (may be NULL)
884 * RETURNS
885 * Success: 0. IoStatusBlock is updated, and the Information member contains
886 * The number of bytes written.
887 * Failure: An NTSTATUS error code describing the error.
889 NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
890 PIO_APC_ROUTINE apc, void* apc_user,
891 PIO_STATUS_BLOCK io_status,
892 const void* buffer, ULONG length,
893 PLARGE_INTEGER offset, PULONG key)
895 int result, unix_handle, needs_close, timeout_init_done = 0;
896 unsigned int options;
897 struct io_timeouts timeouts;
898 NTSTATUS status;
899 ULONG total = 0;
900 enum server_fd_type type;
901 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
903 TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
904 hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
906 if (!io_status) return STATUS_ACCESS_VIOLATION;
908 status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
909 &needs_close, &type, &options );
910 if (status) return status;
912 if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
914 /* async I/O doesn't make sense on regular files */
915 while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
917 if (errno != EINTR)
919 if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
920 else status = FILE_GetNtStatus();
921 goto done;
925 if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
926 /* update file pointer position */
927 lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
929 total = result;
930 status = STATUS_SUCCESS;
931 goto done;
934 for (;;)
936 /* zero-length writes on sockets may not work with plain write(2) */
937 if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
938 result = send( unix_handle, buffer, 0, 0 );
939 else
940 result = write( unix_handle, (const char *)buffer + total, length - total );
942 if (result >= 0)
944 total += result;
945 if (total == length)
947 status = STATUS_SUCCESS;
948 goto done;
951 else
953 if (errno == EINTR) continue;
954 if (errno != EAGAIN)
956 if (errno == EFAULT)
958 status = STATUS_INVALID_USER_BUFFER;
959 goto err;
961 status = FILE_GetNtStatus();
962 goto done;
966 if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
968 async_fileio_write *fileio;
970 if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
972 status = STATUS_NO_MEMORY;
973 goto err;
975 fileio->io.handle = hFile;
976 fileio->io.apc = apc;
977 fileio->io.apc_arg = apc_user;
978 fileio->already = total;
979 fileio->count = length;
980 fileio->buffer = buffer;
982 SERVER_START_REQ( register_async )
984 req->handle = hFile;
985 req->type = ASYNC_TYPE_WRITE;
986 req->count = length;
987 req->async.callback = FILE_AsyncWriteService;
988 req->async.iosb = io_status;
989 req->async.arg = fileio;
990 req->async.apc = fileio_apc;
991 req->async.event = hEvent;
992 req->async.cvalue = cvalue;
993 status = wine_server_call( req );
995 SERVER_END_REQ;
997 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
998 goto err;
1000 else /* synchronous write, wait for the fd to become ready */
1002 struct pollfd pfd;
1003 int ret, timeout;
1005 if (!timeout_init_done)
1007 timeout_init_done = 1;
1008 if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1009 goto err;
1010 if (hEvent) NtResetEvent( hEvent, NULL );
1012 timeout = get_next_io_timeout( &timeouts, total );
1014 pfd.fd = unix_handle;
1015 pfd.events = POLLOUT;
1017 if (!timeout || !(ret = poll( &pfd, 1, timeout )))
1019 /* return with what we got so far */
1020 status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
1021 goto done;
1023 if (ret == -1 && errno != EINTR)
1025 status = FILE_GetNtStatus();
1026 goto done;
1028 /* will now restart the write */
1032 done:
1033 if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
1035 err:
1036 if (needs_close) close( unix_handle );
1037 if (status == STATUS_SUCCESS)
1039 io_status->u.Status = status;
1040 io_status->Information = total;
1041 TRACE("= SUCCESS (%u)\n", total);
1042 if (hEvent) NtSetEvent( hEvent, NULL );
1043 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1044 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1046 else
1048 TRACE("= 0x%08x\n", status);
1049 if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1051 return status;
1055 /******************************************************************************
1056 * NtWriteFileGather [NTDLL.@]
1057 * ZwWriteFileGather [NTDLL.@]
1059 NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
1060 PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
1061 ULONG length, PLARGE_INTEGER offset, PULONG key )
1063 size_t page_size = getpagesize();
1064 int result, unix_handle, needs_close;
1065 unsigned int options;
1066 NTSTATUS status;
1067 ULONG pos = 0, total = 0;
1068 enum server_fd_type type;
1069 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1071 TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
1072 file, event, apc, apc_user, io_status, segments, length, offset, key);
1074 if (length % page_size) return STATUS_INVALID_PARAMETER;
1075 if (!io_status) return STATUS_ACCESS_VIOLATION;
1077 status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
1078 &needs_close, &type, &options );
1079 if (status) return status;
1081 if ((type != FD_TYPE_FILE) ||
1082 (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
1083 !(options & FILE_NO_INTERMEDIATE_BUFFERING))
1085 status = STATUS_INVALID_PARAMETER;
1086 goto error;
1089 while (length)
1091 if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
1092 result = pwrite( unix_handle, (char *)segments->Buffer + pos,
1093 page_size - pos, offset->QuadPart + total );
1094 else
1095 result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
1097 if (result == -1)
1099 if (errno == EINTR) continue;
1100 if (errno == EFAULT)
1102 status = STATUS_INVALID_USER_BUFFER;
1103 goto error;
1105 status = FILE_GetNtStatus();
1106 break;
1108 if (!result)
1110 status = STATUS_DISK_FULL;
1111 break;
1113 total += result;
1114 length -= result;
1115 if ((pos += result) == page_size)
1117 pos = 0;
1118 segments++;
1122 if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
1124 error:
1125 if (needs_close) close( unix_handle );
1126 if (status == STATUS_SUCCESS)
1128 io_status->u.Status = status;
1129 io_status->Information = total;
1130 TRACE("= SUCCESS (%u)\n", total);
1131 if (event) NtSetEvent( event, NULL );
1132 if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
1133 (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1135 else
1137 TRACE("= 0x%08x\n", status);
1138 if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
1140 return status;
1144 struct async_ioctl
1146 HANDLE handle; /* handle to the device */
1147 void *buffer; /* buffer for output */
1148 ULONG size; /* size of buffer */
1149 PIO_APC_ROUTINE apc; /* user apc params */
1150 void *apc_arg;
1153 /* callback for ioctl async I/O completion */
1154 static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status )
1156 struct async_ioctl *async = arg;
1158 if (status == STATUS_ALERTED)
1160 SERVER_START_REQ( get_ioctl_result )
1162 req->handle = async->handle;
1163 req->user_arg = async;
1164 wine_server_set_reply( req, async->buffer, async->size );
1165 if (!(status = wine_server_call( req )))
1166 io->Information = wine_server_reply_size( reply );
1168 SERVER_END_REQ;
1170 if (status != STATUS_PENDING) io->u.Status = status;
1171 return status;
1174 /* callback for ioctl user APC */
1175 static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
1177 struct async_ioctl *async = arg;
1178 if (async->apc) async->apc( async->apc_arg, io, reserved );
1179 RtlFreeHeap( GetProcessHeap(), 0, async );
1182 /* do a ioctl call through the server */
1183 static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
1184 PIO_APC_ROUTINE apc, PVOID apc_context,
1185 IO_STATUS_BLOCK *io, ULONG code,
1186 const void *in_buffer, ULONG in_size,
1187 PVOID out_buffer, ULONG out_size )
1189 struct async_ioctl *async;
1190 NTSTATUS status;
1191 HANDLE wait_handle;
1192 ULONG options;
1193 ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
1195 if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
1196 return STATUS_NO_MEMORY;
1197 async->handle = handle;
1198 async->buffer = out_buffer;
1199 async->size = out_size;
1200 async->apc = apc;
1201 async->apc_arg = apc_context;
1203 SERVER_START_REQ( ioctl )
1205 req->handle = handle;
1206 req->code = code;
1207 req->async.callback = ioctl_completion;
1208 req->async.iosb = io;
1209 req->async.arg = async;
1210 req->async.apc = (apc || event) ? ioctl_apc : NULL;
1211 req->async.event = event;
1212 req->async.cvalue = cvalue;
1213 wine_server_add_data( req, in_buffer, in_size );
1214 wine_server_set_reply( req, out_buffer, out_size );
1215 if (!(status = wine_server_call( req )))
1216 io->Information = wine_server_reply_size( reply );
1217 wait_handle = reply->wait;
1218 options = reply->options;
1220 SERVER_END_REQ;
1222 if (status == STATUS_NOT_SUPPORTED)
1223 FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
1224 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1226 if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
1228 if (wait_handle)
1230 NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
1231 status = io->u.Status;
1232 NtClose( wait_handle );
1233 RtlFreeHeap( GetProcessHeap(), 0, async );
1236 return status;
1240 /**************************************************************************
1241 * NtDeviceIoControlFile [NTDLL.@]
1242 * ZwDeviceIoControlFile [NTDLL.@]
1244 * Perform an I/O control operation on an open file handle.
1246 * PARAMS
1247 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1248 * event [I] Event to signal upon completion (or NULL)
1249 * apc [I] Callback to call upon completion (or NULL)
1250 * apc_context [I] Context for ApcRoutine (or NULL)
1251 * io [O] Receives information about the operation on return
1252 * code [I] Control code for the operation to perform
1253 * in_buffer [I] Source for any input data required (or NULL)
1254 * in_size [I] Size of InputBuffer
1255 * out_buffer [O] Source for any output data returned (or NULL)
1256 * out_size [I] Size of OutputBuffer
1258 * RETURNS
1259 * Success: 0. IoStatusBlock is updated.
1260 * Failure: An NTSTATUS error code describing the error.
1262 NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
1263 PIO_APC_ROUTINE apc, PVOID apc_context,
1264 PIO_STATUS_BLOCK io, ULONG code,
1265 PVOID in_buffer, ULONG in_size,
1266 PVOID out_buffer, ULONG out_size)
1268 ULONG device = (code >> 16);
1269 NTSTATUS status = STATUS_NOT_SUPPORTED;
1271 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1272 handle, event, apc, apc_context, io, code,
1273 in_buffer, in_size, out_buffer, out_size);
1275 switch(device)
1277 case FILE_DEVICE_DISK:
1278 case FILE_DEVICE_CD_ROM:
1279 case FILE_DEVICE_DVD:
1280 case FILE_DEVICE_CONTROLLER:
1281 case FILE_DEVICE_MASS_STORAGE:
1282 status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1283 in_buffer, in_size, out_buffer, out_size);
1284 break;
1285 case FILE_DEVICE_SERIAL_PORT:
1286 status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
1287 in_buffer, in_size, out_buffer, out_size);
1288 break;
1289 case FILE_DEVICE_TAPE:
1290 status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
1291 in_buffer, in_size, out_buffer, out_size);
1292 break;
1295 if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1296 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1297 in_buffer, in_size, out_buffer, out_size );
1299 if (status != STATUS_PENDING) io->u.Status = status;
1300 return status;
1304 /**************************************************************************
1305 * NtFsControlFile [NTDLL.@]
1306 * ZwFsControlFile [NTDLL.@]
1308 * Perform a file system control operation on an open file handle.
1310 * PARAMS
1311 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1312 * event [I] Event to signal upon completion (or NULL)
1313 * apc [I] Callback to call upon completion (or NULL)
1314 * apc_context [I] Context for ApcRoutine (or NULL)
1315 * io [O] Receives information about the operation on return
1316 * code [I] Control code for the operation to perform
1317 * in_buffer [I] Source for any input data required (or NULL)
1318 * in_size [I] Size of InputBuffer
1319 * out_buffer [O] Source for any output data returned (or NULL)
1320 * out_size [I] Size of OutputBuffer
1322 * RETURNS
1323 * Success: 0. IoStatusBlock is updated.
1324 * Failure: An NTSTATUS error code describing the error.
1326 NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
1327 PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
1328 PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
1330 NTSTATUS status;
1332 TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1333 handle, event, apc, apc_context, io, code,
1334 in_buffer, in_size, out_buffer, out_size);
1336 if (!io) return STATUS_INVALID_PARAMETER;
1338 switch(code)
1340 case FSCTL_DISMOUNT_VOLUME:
1341 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1342 in_buffer, in_size, out_buffer, out_size );
1343 if (!status) status = DIR_unmount_device( handle );
1344 break;
1346 case FSCTL_PIPE_PEEK:
1348 FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
1349 int avail = 0, fd, needs_close;
1351 if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
1353 status = STATUS_INFO_LENGTH_MISMATCH;
1354 break;
1357 if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
1358 break;
1360 #ifdef FIONREAD
1361 if (ioctl( fd, FIONREAD, &avail ) != 0)
1363 TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1364 if (needs_close) close( fd );
1365 status = FILE_GetNtStatus();
1366 break;
1368 #endif
1369 if (!avail) /* check for closed pipe */
1371 struct pollfd pollfd;
1372 int ret;
1374 pollfd.fd = fd;
1375 pollfd.events = POLLIN;
1376 pollfd.revents = 0;
1377 ret = poll( &pollfd, 1, 0 );
1378 if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
1380 if (needs_close) close( fd );
1381 status = STATUS_PIPE_BROKEN;
1382 break;
1385 buffer->NamedPipeState = 0; /* FIXME */
1386 buffer->ReadDataAvailable = avail;
1387 buffer->NumberOfMessages = 0; /* FIXME */
1388 buffer->MessageLength = 0; /* FIXME */
1389 io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1390 status = STATUS_SUCCESS;
1391 if (avail)
1393 ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1394 if (data_size)
1396 int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
1397 if (res >= 0) io->Information += res;
1400 if (needs_close) close( fd );
1402 break;
1404 case FSCTL_PIPE_DISCONNECT:
1405 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1406 in_buffer, in_size, out_buffer, out_size );
1407 if (!status)
1409 int fd = server_remove_fd_from_cache( handle );
1410 if (fd != -1) close( fd );
1412 break;
1414 case FSCTL_PIPE_IMPERSONATE:
1415 FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1416 status = RtlImpersonateSelf( SecurityImpersonation );
1417 break;
1419 case FSCTL_LOCK_VOLUME:
1420 case FSCTL_UNLOCK_VOLUME:
1421 FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1422 code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1423 status = STATUS_SUCCESS;
1424 break;
1426 case FSCTL_PIPE_LISTEN:
1427 case FSCTL_PIPE_WAIT:
1428 default:
1429 status = server_ioctl_file( handle, event, apc, apc_context, io, code,
1430 in_buffer, in_size, out_buffer, out_size );
1431 break;
1434 if (status != STATUS_PENDING) io->u.Status = status;
1435 return status;
1438 /******************************************************************************
1439 * NtSetVolumeInformationFile [NTDLL.@]
1440 * ZwSetVolumeInformationFile [NTDLL.@]
1442 * Set volume information for an open file handle.
1444 * PARAMS
1445 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1446 * IoStatusBlock [O] Receives information about the operation on return
1447 * FsInformation [I] Source for volume information
1448 * Length [I] Size of FsInformation
1449 * FsInformationClass [I] Type of volume information to set
1451 * RETURNS
1452 * Success: 0. IoStatusBlock is updated.
1453 * Failure: An NTSTATUS error code describing the error.
1455 NTSTATUS WINAPI NtSetVolumeInformationFile(
1456 IN HANDLE FileHandle,
1457 PIO_STATUS_BLOCK IoStatusBlock,
1458 PVOID FsInformation,
1459 ULONG Length,
1460 FS_INFORMATION_CLASS FsInformationClass)
1462 FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
1463 FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
1464 return 0;
1467 /******************************************************************************
1468 * NtQueryInformationFile [NTDLL.@]
1469 * ZwQueryInformationFile [NTDLL.@]
1471 * Get information about an open file handle.
1473 * PARAMS
1474 * hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1475 * io [O] Receives information about the operation on return
1476 * ptr [O] Destination for file information
1477 * len [I] Size of FileInformation
1478 * class [I] Type of file information to get
1480 * RETURNS
1481 * Success: 0. IoStatusBlock and FileInformation are updated.
1482 * Failure: An NTSTATUS error code describing the error.
1484 NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
1485 PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
1487 static const size_t info_sizes[] =
1490 sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
1491 sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
1492 sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
1493 sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
1494 sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
1495 sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
1496 sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
1497 sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
1498 sizeof(FILE_NAME_INFORMATION)-sizeof(WCHAR), /* FileNameInformation */
1499 sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
1500 0, /* FileLinkInformation */
1501 sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
1502 sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
1503 sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
1504 sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
1505 sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
1506 sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
1507 sizeof(FILE_ALL_INFORMATION)-sizeof(WCHAR), /* FileAllInformation */
1508 sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
1509 sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
1510 0, /* FileAlternateNameInformation */
1511 sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
1512 0, /* FilePipeInformation */
1513 sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
1514 0, /* FilePipeRemoteInformation */
1515 sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
1516 0, /* FileMailslotSetInformation */
1517 0, /* FileCompressionInformation */
1518 0, /* FileObjectIdInformation */
1519 0, /* FileCompletionInformation */
1520 0, /* FileMoveClusterInformation */
1521 0, /* FileQuotaInformation */
1522 0, /* FileReparsePointInformation */
1523 0, /* FileNetworkOpenInformation */
1524 0, /* FileAttributeTagInformation */
1525 0 /* FileTrackingInformation */
1528 struct stat st;
1529 int fd, needs_close = FALSE;
1531 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
1533 io->Information = 0;
1535 if (class <= 0 || class >= FileMaximumInformation)
1536 return io->u.Status = STATUS_INVALID_INFO_CLASS;
1537 if (!info_sizes[class])
1539 FIXME("Unsupported class (%d)\n", class);
1540 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1542 if (len < info_sizes[class])
1543 return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1545 if (class != FilePipeLocalInformation)
1547 if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
1548 return io->u.Status;
1551 switch (class)
1553 case FileBasicInformation:
1555 FILE_BASIC_INFORMATION *info = ptr;
1557 if (fstat( fd, &st ) == -1)
1558 io->u.Status = FILE_GetNtStatus();
1559 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1560 io->u.Status = STATUS_INVALID_INFO_CLASS;
1561 else
1563 if (S_ISDIR(st.st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1564 else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1565 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1566 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1567 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime);
1568 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime);
1569 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime);
1570 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime);
1571 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1572 info->CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1573 info->LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1574 #endif
1575 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1576 info->ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1577 #endif
1578 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1579 info->LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1580 #endif
1583 break;
1584 case FileStandardInformation:
1586 FILE_STANDARD_INFORMATION *info = ptr;
1588 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1589 else
1591 if ((info->Directory = S_ISDIR(st.st_mode)))
1593 info->AllocationSize.QuadPart = 0;
1594 info->EndOfFile.QuadPart = 0;
1595 info->NumberOfLinks = 1;
1596 info->DeletePending = FALSE;
1598 else
1600 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1601 info->EndOfFile.QuadPart = st.st_size;
1602 info->NumberOfLinks = st.st_nlink;
1603 info->DeletePending = FALSE; /* FIXME */
1607 break;
1608 case FilePositionInformation:
1610 FILE_POSITION_INFORMATION *info = ptr;
1611 off_t res = lseek( fd, 0, SEEK_CUR );
1612 if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
1613 else info->CurrentByteOffset.QuadPart = res;
1615 break;
1616 case FileInternalInformation:
1618 FILE_INTERNAL_INFORMATION *info = ptr;
1620 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1621 else info->IndexNumber.QuadPart = st.st_ino;
1623 break;
1624 case FileEaInformation:
1626 FILE_EA_INFORMATION *info = ptr;
1627 info->EaSize = 0;
1629 break;
1630 case FileEndOfFileInformation:
1632 FILE_END_OF_FILE_INFORMATION *info = ptr;
1634 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1635 else info->EndOfFile.QuadPart = S_ISDIR(st.st_mode) ? 0 : st.st_size;
1637 break;
1638 case FileAllInformation:
1640 FILE_ALL_INFORMATION *info = ptr;
1642 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1643 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1644 io->u.Status = STATUS_INVALID_INFO_CLASS;
1645 else
1647 if ((info->StandardInformation.Directory = S_ISDIR(st.st_mode)))
1649 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1650 info->StandardInformation.AllocationSize.QuadPart = 0;
1651 info->StandardInformation.EndOfFile.QuadPart = 0;
1652 info->StandardInformation.NumberOfLinks = 1;
1653 info->StandardInformation.DeletePending = FALSE;
1655 else
1657 info->BasicInformation.FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1658 info->StandardInformation.AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1659 info->StandardInformation.EndOfFile.QuadPart = st.st_size;
1660 info->StandardInformation.NumberOfLinks = st.st_nlink;
1661 info->StandardInformation.DeletePending = FALSE; /* FIXME */
1663 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1664 info->BasicInformation.FileAttributes |= FILE_ATTRIBUTE_READONLY;
1665 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.CreationTime);
1666 RtlSecondsSince1970ToTime( st.st_mtime, &info->BasicInformation.LastWriteTime);
1667 RtlSecondsSince1970ToTime( st.st_ctime, &info->BasicInformation.ChangeTime);
1668 RtlSecondsSince1970ToTime( st.st_atime, &info->BasicInformation.LastAccessTime);
1669 #ifdef HAVE_STRUCT_STAT_ST_MTIM
1670 info->BasicInformation.CreationTime.QuadPart += st.st_mtim.tv_nsec / 100;
1671 info->BasicInformation.LastWriteTime.QuadPart += st.st_mtim.tv_nsec / 100;
1672 #endif
1673 #ifdef HAVE_STRUCT_STAT_ST_CTIM
1674 info->BasicInformation.ChangeTime.QuadPart += st.st_ctim.tv_nsec / 100;
1675 #endif
1676 #ifdef HAVE_STRUCT_STAT_ST_ATIM
1677 info->BasicInformation.LastAccessTime.QuadPart += st.st_atim.tv_nsec / 100;
1678 #endif
1679 info->InternalInformation.IndexNumber.QuadPart = st.st_ino;
1680 info->EaInformation.EaSize = 0;
1681 info->AccessInformation.AccessFlags = 0; /* FIXME */
1682 info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
1683 info->ModeInformation.Mode = 0; /* FIXME */
1684 info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
1685 info->NameInformation.FileNameLength = 0;
1686 io->Information = sizeof(*info) - sizeof(WCHAR);
1689 break;
1690 case FileMailslotQueryInformation:
1692 FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
1694 SERVER_START_REQ( set_mailslot_info )
1696 req->handle = hFile;
1697 req->flags = 0;
1698 io->u.Status = wine_server_call( req );
1699 if( io->u.Status == STATUS_SUCCESS )
1701 info->MaximumMessageSize = reply->max_msgsize;
1702 info->MailslotQuota = 0;
1703 info->NextMessageSize = 0;
1704 info->MessagesAvailable = 0;
1705 info->ReadTimeout.QuadPart = reply->read_timeout;
1708 SERVER_END_REQ;
1709 if (!io->u.Status)
1711 char *tmpbuf;
1712 ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
1713 if (size > 0x10000) size = 0x10000;
1714 if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1716 int fd, needs_close;
1717 if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
1719 int res = recv( fd, tmpbuf, size, MSG_PEEK );
1720 info->MessagesAvailable = (res > 0);
1721 info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
1722 if (needs_close) close( fd );
1724 RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
1728 break;
1729 case FilePipeLocalInformation:
1731 FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
1733 SERVER_START_REQ( get_named_pipe_info )
1735 req->handle = hFile;
1736 if (!(io->u.Status = wine_server_call( req )))
1738 pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
1739 FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
1740 pli->NamedPipeConfiguration = 0; /* FIXME */
1741 pli->MaximumInstances = reply->maxinstances;
1742 pli->CurrentInstances = reply->instances;
1743 pli->InboundQuota = reply->insize;
1744 pli->ReadDataAvailable = 0; /* FIXME */
1745 pli->OutboundQuota = reply->outsize;
1746 pli->WriteQuotaAvailable = 0; /* FIXME */
1747 pli->NamedPipeState = 0; /* FIXME */
1748 pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
1749 FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
1752 SERVER_END_REQ;
1754 break;
1755 default:
1756 FIXME("Unsupported class (%d)\n", class);
1757 io->u.Status = STATUS_NOT_IMPLEMENTED;
1758 break;
1760 if (needs_close) close( fd );
1761 if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
1762 return io->u.Status;
1765 /******************************************************************************
1766 * NtSetInformationFile [NTDLL.@]
1767 * ZwSetInformationFile [NTDLL.@]
1769 * Set information about an open file handle.
1771 * PARAMS
1772 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
1773 * io [O] Receives information about the operation on return
1774 * ptr [I] Source for file information
1775 * len [I] Size of FileInformation
1776 * class [I] Type of file information to set
1778 * RETURNS
1779 * Success: 0. io is updated.
1780 * Failure: An NTSTATUS error code describing the error.
1782 NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
1783 PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
1785 int fd, needs_close;
1787 TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
1789 io->u.Status = STATUS_SUCCESS;
1790 switch (class)
1792 case FileBasicInformation:
1793 if (len >= sizeof(FILE_BASIC_INFORMATION))
1795 struct stat st;
1796 const FILE_BASIC_INFORMATION *info = ptr;
1798 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1799 return io->u.Status;
1801 if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
1803 ULONGLONG sec, nsec;
1804 struct timeval tv[2];
1806 if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
1809 tv[0].tv_sec = tv[0].tv_usec = 0;
1810 tv[1].tv_sec = tv[1].tv_usec = 0;
1811 if (!fstat( fd, &st ))
1813 tv[0].tv_sec = st.st_atime;
1814 tv[1].tv_sec = st.st_mtime;
1817 if (info->LastAccessTime.QuadPart)
1819 sec = RtlLargeIntegerDivide( info->LastAccessTime.QuadPart, 10000000, &nsec );
1820 tv[0].tv_sec = sec - SECS_1601_TO_1970;
1821 tv[0].tv_usec = (UINT)nsec / 10;
1823 if (info->LastWriteTime.QuadPart)
1825 sec = RtlLargeIntegerDivide( info->LastWriteTime.QuadPart, 10000000, &nsec );
1826 tv[1].tv_sec = sec - SECS_1601_TO_1970;
1827 tv[1].tv_usec = (UINT)nsec / 10;
1829 if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
1832 if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
1834 if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
1835 else
1837 if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
1839 if (S_ISDIR( st.st_mode))
1840 WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
1841 else
1842 st.st_mode &= ~0222; /* clear write permission bits */
1844 else
1846 /* add write permission only where we already have read permission */
1847 st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
1849 if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
1853 if (needs_close) close( fd );
1855 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1856 break;
1858 case FilePositionInformation:
1859 if (len >= sizeof(FILE_POSITION_INFORMATION))
1861 const FILE_POSITION_INFORMATION *info = ptr;
1863 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1864 return io->u.Status;
1866 if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
1867 io->u.Status = FILE_GetNtStatus();
1869 if (needs_close) close( fd );
1871 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1872 break;
1874 case FileEndOfFileInformation:
1875 if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
1877 struct stat st;
1878 const FILE_END_OF_FILE_INFORMATION *info = ptr;
1880 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
1881 return io->u.Status;
1883 /* first try normal truncate */
1884 if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1886 /* now check for the need to extend the file */
1887 if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
1889 static const char zero;
1891 /* extend the file one byte beyond the requested size and then truncate it */
1892 /* this should work around ftruncate implementations that can't extend files */
1893 if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
1894 ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
1896 io->u.Status = FILE_GetNtStatus();
1898 if (needs_close) close( fd );
1900 else io->u.Status = STATUS_INVALID_PARAMETER_3;
1901 break;
1903 case FileMailslotSetInformation:
1905 FILE_MAILSLOT_SET_INFORMATION *info = ptr;
1907 SERVER_START_REQ( set_mailslot_info )
1909 req->handle = handle;
1910 req->flags = MAILSLOT_SET_READ_TIMEOUT;
1911 req->read_timeout = info->ReadTimeout.QuadPart;
1912 io->u.Status = wine_server_call( req );
1914 SERVER_END_REQ;
1916 break;
1918 case FileCompletionInformation:
1919 if (len >= sizeof(FILE_COMPLETION_INFORMATION))
1921 FILE_COMPLETION_INFORMATION *info = (FILE_COMPLETION_INFORMATION *)ptr;
1923 SERVER_START_REQ( set_completion_info )
1925 req->handle = handle;
1926 req->chandle = info->CompletionPort;
1927 req->ckey = info->CompletionKey;
1928 io->u.Status = wine_server_call( req );
1930 SERVER_END_REQ;
1931 } else
1932 io->u.Status = STATUS_INVALID_PARAMETER_3;
1933 break;
1935 default:
1936 FIXME("Unsupported class (%d)\n", class);
1937 io->u.Status = STATUS_NOT_IMPLEMENTED;
1938 break;
1940 io->Information = 0;
1941 return io->u.Status;
1945 /******************************************************************************
1946 * NtQueryFullAttributesFile (NTDLL.@)
1948 NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
1949 FILE_NETWORK_OPEN_INFORMATION *info )
1951 ANSI_STRING unix_name;
1952 NTSTATUS status;
1954 if (!(status = wine_nt_to_unix_file_name( attr->ObjectName, &unix_name, FILE_OPEN,
1955 !(attr->Attributes & OBJ_CASE_INSENSITIVE) )))
1957 struct stat st;
1959 if (stat( unix_name.Buffer, &st ) == -1)
1960 status = FILE_GetNtStatus();
1961 else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
1962 status = STATUS_INVALID_INFO_CLASS;
1963 else
1965 if (S_ISDIR(st.st_mode))
1967 info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
1968 info->AllocationSize.QuadPart = 0;
1969 info->EndOfFile.QuadPart = 0;
1971 else
1973 info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
1974 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
1975 info->EndOfFile.QuadPart = st.st_size;
1977 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
1978 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
1979 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
1980 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
1981 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
1982 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
1983 if (DIR_is_hidden_file( attr->ObjectName ))
1984 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1986 RtlFreeAnsiString( &unix_name );
1988 else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
1989 return status;
1993 /******************************************************************************
1994 * NtQueryAttributesFile (NTDLL.@)
1995 * ZwQueryAttributesFile (NTDLL.@)
1997 NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
1999 FILE_NETWORK_OPEN_INFORMATION full_info;
2000 NTSTATUS status;
2002 if (!(status = NtQueryFullAttributesFile( attr, &full_info )))
2004 info->CreationTime.QuadPart = full_info.CreationTime.QuadPart;
2005 info->LastAccessTime.QuadPart = full_info.LastAccessTime.QuadPart;
2006 info->LastWriteTime.QuadPart = full_info.LastWriteTime.QuadPart;
2007 info->ChangeTime.QuadPart = full_info.ChangeTime.QuadPart;
2008 info->FileAttributes = full_info.FileAttributes;
2010 return status;
2014 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__APPLE__)
2015 /* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2016 static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2017 unsigned int flags )
2019 if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2021 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2022 /* Don't assume read-only, let the mount options set it below */
2023 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2025 else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
2026 !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2028 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2029 info->Characteristics |= FILE_REMOTE_DEVICE;
2031 else if (!strcmp("procfs", fstypename))
2032 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2033 else
2034 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2036 if (flags & MNT_RDONLY)
2037 info->Characteristics |= FILE_READ_ONLY_DEVICE;
2039 if (!(flags & MNT_LOCAL))
2041 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2042 info->Characteristics |= FILE_REMOTE_DEVICE;
2045 #endif
2047 static inline int is_device_placeholder( int fd )
2049 static const char wine_placeholder[] = "Wine device placeholder";
2050 char buffer[sizeof(wine_placeholder)-1];
2052 if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
2053 return 0;
2054 return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
2057 /******************************************************************************
2058 * get_device_info
2060 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
2062 static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2064 struct stat st;
2066 info->Characteristics = 0;
2067 if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
2068 if (S_ISCHR( st.st_mode ))
2070 info->DeviceType = FILE_DEVICE_UNKNOWN;
2071 #ifdef linux
2072 switch(major(st.st_rdev))
2074 case MEM_MAJOR:
2075 info->DeviceType = FILE_DEVICE_NULL;
2076 break;
2077 case TTY_MAJOR:
2078 info->DeviceType = FILE_DEVICE_SERIAL_PORT;
2079 break;
2080 case LP_MAJOR:
2081 info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
2082 break;
2083 case SCSI_TAPE_MAJOR:
2084 info->DeviceType = FILE_DEVICE_TAPE;
2085 break;
2087 #endif
2089 else if (S_ISBLK( st.st_mode ))
2091 info->DeviceType = FILE_DEVICE_DISK;
2093 else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
2095 info->DeviceType = FILE_DEVICE_NAMED_PIPE;
2097 else if (is_device_placeholder( fd ))
2099 info->DeviceType = FILE_DEVICE_DISK;
2101 else /* regular file or directory */
2103 #if defined(linux) && defined(HAVE_FSTATFS)
2104 struct statfs stfs;
2106 /* check for floppy disk */
2107 if (major(st.st_dev) == FLOPPY_MAJOR)
2108 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2110 if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
2111 switch (stfs.f_type)
2113 case 0x9660: /* iso9660 */
2114 case 0x9fa1: /* supermount */
2115 case 0x15013346: /* udf */
2116 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2117 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2118 break;
2119 case 0x6969: /* nfs */
2120 case 0x517B: /* smbfs */
2121 case 0x564c: /* ncpfs */
2122 info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
2123 info->Characteristics |= FILE_REMOTE_DEVICE;
2124 break;
2125 case 0x01021994: /* tmpfs */
2126 case 0x28cd3d45: /* cramfs */
2127 case 0x1373: /* devfs */
2128 case 0x9fa0: /* procfs */
2129 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2130 break;
2131 default:
2132 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2133 break;
2135 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
2136 struct statfs stfs;
2138 if (fstatfs( fd, &stfs ) < 0)
2139 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2140 else
2141 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
2142 #elif defined(__NetBSD__)
2143 struct statvfs stfs;
2145 if (fstatvfs( fd, &stfs) < 0)
2146 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2147 else
2148 get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
2149 #elif defined(sun)
2150 /* Use dkio to work out device types */
2152 # include <sys/dkio.h>
2153 # include <sys/vtoc.h>
2154 struct dk_cinfo dkinf;
2155 int retval = ioctl(fd, DKIOCINFO, &dkinf);
2156 if(retval==-1){
2157 WARN("Unable to get disk device type information - assuming a disk like device\n");
2158 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2160 switch (dkinf.dki_ctype)
2162 case DKC_CDROM:
2163 info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
2164 info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
2165 break;
2166 case DKC_NCRFLOPPY:
2167 case DKC_SMSFLOPPY:
2168 case DKC_INTEL82072:
2169 case DKC_INTEL82077:
2170 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2171 info->Characteristics |= FILE_REMOVABLE_MEDIA;
2172 break;
2173 case DKC_MD:
2174 info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
2175 break;
2176 default:
2177 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2180 #else
2181 static int warned;
2182 if (!warned++) FIXME( "device info not properly supported on this platform\n" );
2183 info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
2184 #endif
2185 info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
2187 return STATUS_SUCCESS;
2191 /******************************************************************************
2192 * NtQueryVolumeInformationFile [NTDLL.@]
2193 * ZwQueryVolumeInformationFile [NTDLL.@]
2195 * Get volume information for an open file handle.
2197 * PARAMS
2198 * handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2199 * io [O] Receives information about the operation on return
2200 * buffer [O] Destination for volume information
2201 * length [I] Size of FsInformation
2202 * info_class [I] Type of volume information to set
2204 * RETURNS
2205 * Success: 0. io and buffer are updated.
2206 * Failure: An NTSTATUS error code describing the error.
2208 NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
2209 PVOID buffer, ULONG length,
2210 FS_INFORMATION_CLASS info_class )
2212 int fd, needs_close;
2213 struct stat st;
2215 if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
2216 return io->u.Status;
2218 io->u.Status = STATUS_NOT_IMPLEMENTED;
2219 io->Information = 0;
2221 switch( info_class )
2223 case FileFsVolumeInformation:
2224 FIXME( "%p: volume info not supported\n", handle );
2225 break;
2226 case FileFsLabelInformation:
2227 FIXME( "%p: label info not supported\n", handle );
2228 break;
2229 case FileFsSizeInformation:
2230 if (length < sizeof(FILE_FS_SIZE_INFORMATION))
2231 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2232 else
2234 FILE_FS_SIZE_INFORMATION *info = buffer;
2236 if (fstat( fd, &st ) < 0)
2238 io->u.Status = FILE_GetNtStatus();
2239 break;
2241 if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
2243 io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
2245 else
2247 /* Linux's fstatvfs is buggy */
2248 #if !defined(linux) || !defined(HAVE_FSTATFS)
2249 struct statvfs stfs;
2251 if (fstatvfs( fd, &stfs ) < 0)
2253 io->u.Status = FILE_GetNtStatus();
2254 break;
2256 info->BytesPerSector = stfs.f_frsize;
2257 #else
2258 struct statfs stfs;
2259 if (fstatfs( fd, &stfs ) < 0)
2261 io->u.Status = FILE_GetNtStatus();
2262 break;
2264 info->BytesPerSector = stfs.f_bsize;
2265 #endif
2266 info->TotalAllocationUnits.QuadPart = stfs.f_blocks;
2267 info->AvailableAllocationUnits.QuadPart = stfs.f_bavail;
2268 info->SectorsPerAllocationUnit = 1;
2269 io->Information = sizeof(*info);
2270 io->u.Status = STATUS_SUCCESS;
2273 break;
2274 case FileFsDeviceInformation:
2275 if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
2276 io->u.Status = STATUS_BUFFER_TOO_SMALL;
2277 else
2279 FILE_FS_DEVICE_INFORMATION *info = buffer;
2281 if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
2282 io->Information = sizeof(*info);
2284 break;
2285 case FileFsAttributeInformation:
2286 FIXME( "%p: attribute info not supported\n", handle );
2287 break;
2288 case FileFsControlInformation:
2289 FIXME( "%p: control info not supported\n", handle );
2290 break;
2291 case FileFsFullSizeInformation:
2292 FIXME( "%p: full size info not supported\n", handle );
2293 break;
2294 case FileFsObjectIdInformation:
2295 FIXME( "%p: object id info not supported\n", handle );
2296 break;
2297 case FileFsMaximumInformation:
2298 FIXME( "%p: maximum info not supported\n", handle );
2299 break;
2300 default:
2301 io->u.Status = STATUS_INVALID_PARAMETER;
2302 break;
2304 if (needs_close) close( fd );
2305 return io->u.Status;
2309 /******************************************************************
2310 * NtFlushBuffersFile (NTDLL.@)
2312 * Flush any buffered data on an open file handle.
2314 * PARAMS
2315 * FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
2316 * IoStatusBlock [O] Receives information about the operation on return
2318 * RETURNS
2319 * Success: 0. IoStatusBlock is updated.
2320 * Failure: An NTSTATUS error code describing the error.
2322 NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
2324 NTSTATUS ret;
2325 HANDLE hEvent = NULL;
2327 SERVER_START_REQ( flush_file )
2329 req->handle = hFile;
2330 ret = wine_server_call( req );
2331 hEvent = reply->event;
2333 SERVER_END_REQ;
2334 if (!ret && hEvent)
2336 ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
2337 NtClose( hEvent );
2339 return ret;
2342 /******************************************************************
2343 * NtLockFile (NTDLL.@)
2347 NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
2348 PIO_APC_ROUTINE apc, void* apc_user,
2349 PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
2350 PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
2351 BOOLEAN exclusive )
2353 NTSTATUS ret;
2354 HANDLE handle;
2355 BOOLEAN async;
2357 if (apc || io_status || key)
2359 FIXME("Unimplemented yet parameter\n");
2360 return STATUS_NOT_IMPLEMENTED;
2363 if (apc_user) FIXME("I/O completion on lock not implemented yet\n");
2365 for (;;)
2367 SERVER_START_REQ( lock_file )
2369 req->handle = hFile;
2370 req->offset = offset->QuadPart;
2371 req->count = count->QuadPart;
2372 req->shared = !exclusive;
2373 req->wait = !dont_wait;
2374 ret = wine_server_call( req );
2375 handle = reply->handle;
2376 async = reply->overlapped;
2378 SERVER_END_REQ;
2379 if (ret != STATUS_PENDING)
2381 if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
2382 return ret;
2385 if (async)
2387 FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
2388 if (handle) NtClose( handle );
2389 return STATUS_PENDING;
2391 if (handle)
2393 NtWaitForSingleObject( handle, FALSE, NULL );
2394 NtClose( handle );
2396 else
2398 LARGE_INTEGER time;
2400 /* Unix lock conflict, sleep a bit and retry */
2401 time.QuadPart = 100 * (ULONGLONG)10000;
2402 time.QuadPart = -time.QuadPart;
2403 NtDelayExecution( FALSE, &time );
2409 /******************************************************************
2410 * NtUnlockFile (NTDLL.@)
2414 NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
2415 PLARGE_INTEGER offset, PLARGE_INTEGER count,
2416 PULONG key )
2418 NTSTATUS status;
2420 TRACE( "%p %x%08x %x%08x\n",
2421 hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
2423 if (io_status || key)
2425 FIXME("Unimplemented yet parameter\n");
2426 return STATUS_NOT_IMPLEMENTED;
2429 SERVER_START_REQ( unlock_file )
2431 req->handle = hFile;
2432 req->offset = offset->QuadPart;
2433 req->count = count->QuadPart;
2434 status = wine_server_call( req );
2436 SERVER_END_REQ;
2437 return status;
2440 /******************************************************************
2441 * NtCreateNamedPipeFile (NTDLL.@)
2445 NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
2446 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
2447 ULONG sharing, ULONG dispo, ULONG options,
2448 ULONG pipe_type, ULONG read_mode,
2449 ULONG completion_mode, ULONG max_inst,
2450 ULONG inbound_quota, ULONG outbound_quota,
2451 PLARGE_INTEGER timeout)
2453 NTSTATUS status;
2455 TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
2456 handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
2457 options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
2458 outbound_quota, timeout);
2460 /* assume we only get relative timeout */
2461 if (timeout->QuadPart > 0)
2462 FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
2464 SERVER_START_REQ( create_named_pipe )
2466 req->access = access;
2467 req->attributes = attr->Attributes;
2468 req->rootdir = attr->RootDirectory;
2469 req->options = options;
2470 req->flags =
2471 (pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
2472 (read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
2473 (completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
2474 req->maxinstances = max_inst;
2475 req->outsize = outbound_quota;
2476 req->insize = inbound_quota;
2477 req->timeout = timeout->QuadPart;
2478 wine_server_add_data( req, attr->ObjectName->Buffer,
2479 attr->ObjectName->Length );
2480 status = wine_server_call( req );
2481 if (!status) *handle = reply->handle;
2483 SERVER_END_REQ;
2484 return status;
2487 /******************************************************************
2488 * NtDeleteFile (NTDLL.@)
2492 NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
2494 NTSTATUS status;
2495 HANDLE hFile;
2496 IO_STATUS_BLOCK io;
2498 TRACE("%p\n", ObjectAttributes);
2499 status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
2500 ObjectAttributes, &io, NULL, 0,
2501 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2502 FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
2503 if (status == STATUS_SUCCESS) status = NtClose(hFile);
2504 return status;
2507 /******************************************************************
2508 * NtCancelIoFile (NTDLL.@)
2512 NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
2514 LARGE_INTEGER timeout;
2516 TRACE("%p %p\n", hFile, io_status );
2518 SERVER_START_REQ( cancel_async )
2520 req->handle = hFile;
2521 wine_server_call( req );
2523 SERVER_END_REQ;
2524 /* Let some APC be run, so that we can run the remaining APCs on hFile
2525 * either the cancelation of the pending one, but also the execution
2526 * of the queued APC, but not yet run. This is needed to ensure proper
2527 * clean-up of allocated data.
2529 timeout.u.LowPart = timeout.u.HighPart = 0;
2530 return io_status->u.Status = NtDelayExecution( TRUE, &timeout );
2533 /******************************************************************************
2534 * NtCreateMailslotFile [NTDLL.@]
2535 * ZwCreateMailslotFile [NTDLL.@]
2537 * PARAMS
2538 * pHandle [O] pointer to receive the handle created
2539 * DesiredAccess [I] access mode (read, write, etc)
2540 * ObjectAttributes [I] fully qualified NT path of the mailslot
2541 * IoStatusBlock [O] receives completion status and other info
2542 * CreateOptions [I]
2543 * MailslotQuota [I]
2544 * MaxMessageSize [I]
2545 * TimeOut [I]
2547 * RETURNS
2548 * An NT status code
2550 NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
2551 POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
2552 ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
2553 PLARGE_INTEGER TimeOut)
2555 LARGE_INTEGER timeout;
2556 NTSTATUS ret;
2558 TRACE("%p %08x %p %p %08x %08x %08x %p\n",
2559 pHandle, DesiredAccess, attr, IoStatusBlock,
2560 CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
2562 if (!pHandle) return STATUS_ACCESS_VIOLATION;
2563 if (!attr) return STATUS_INVALID_PARAMETER;
2564 if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2567 * For a NULL TimeOut pointer set the default timeout value
2569 if (!TimeOut)
2570 timeout.QuadPart = -1;
2571 else
2572 timeout.QuadPart = TimeOut->QuadPart;
2574 SERVER_START_REQ( create_mailslot )
2576 req->access = DesiredAccess;
2577 req->attributes = attr->Attributes;
2578 req->rootdir = attr->RootDirectory;
2579 req->max_msgsize = MaxMessageSize;
2580 req->read_timeout = timeout.QuadPart;
2581 wine_server_add_data( req, attr->ObjectName->Buffer,
2582 attr->ObjectName->Length );
2583 ret = wine_server_call( req );
2584 if( ret == STATUS_SUCCESS )
2585 *pHandle = reply->handle;
2587 SERVER_END_REQ;
2589 return ret;