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wine/dlls/ntdll/file.c

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/*
* Copyright 1999, 2000 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_FILIO_H
# include <sys/filio.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
#endif
#ifdef HAVE_VALGRIND_MEMCHECK_H
# include <valgrind/memcheck.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/server.h"
#include "ntdll_misc.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/ntddser.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
mode_t FILE_umask = 0;
#define SECSPERDAY 86400
#define SECS_1601_TO_1970 ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)
/**************************************************************************
* FILE_CreateFile (internal)
* Open a file.
*
* Parameter set fully identical with NtCreateFile
*/
static NTSTATUS FILE_CreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
{
ANSI_STRING unix_name;
int created = FALSE;
TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
"attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
attributes, sharing, disposition, options, ea_buffer, ea_length );
if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;
if (alloc_size) FIXME( "alloc_size not supported\n" );
if (options & FILE_OPEN_BY_FILE_ID)
io->u.Status = file_id_to_unix_file_name( attr, &unix_name );
else
io->u.Status = nt_to_unix_file_name_attr( attr, &unix_name, disposition );
if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
{
SERVER_START_REQ( open_file_object )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = wine_server_obj_handle( attr->RootDirectory );
req->sharing = sharing;
req->options = options;
wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
io->u.Status = wine_server_call( req );
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
return io->u.Status;
}
if (io->u.Status == STATUS_NO_SUCH_FILE &&
disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
{
created = TRUE;
io->u.Status = STATUS_SUCCESS;
}
if (io->u.Status == STATUS_SUCCESS)
{
struct security_descriptor *sd;
struct object_attributes objattr;
objattr.rootdir = wine_server_obj_handle( attr->RootDirectory );
objattr.name_len = 0;
io->u.Status = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
if (io->u.Status != STATUS_SUCCESS)
{
RtlFreeAnsiString( &unix_name );
return io->u.Status;
}
SERVER_START_REQ( create_file )
{
req->access = access;
req->attributes = attr->Attributes;
req->sharing = sharing;
req->create = disposition;
req->options = options;
req->attrs = attributes;
wine_server_add_data( req, &objattr, sizeof(objattr) );
if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
io->u.Status = wine_server_call( req );
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
NTDLL_free_struct_sd( sd );
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
if (io->u.Status == STATUS_SUCCESS)
{
if (created) io->Information = FILE_CREATED;
else switch(disposition)
{
case FILE_SUPERSEDE:
io->Information = FILE_SUPERSEDED;
break;
case FILE_CREATE:
io->Information = FILE_CREATED;
break;
case FILE_OPEN:
case FILE_OPEN_IF:
io->Information = FILE_OPENED;
break;
case FILE_OVERWRITE:
case FILE_OVERWRITE_IF:
io->Information = FILE_OVERWRITTEN;
break;
}
}
return io->u.Status;
}
/**************************************************************************
* NtOpenFile [NTDLL.@]
* ZwOpenFile [NTDLL.@]
*
* Open a file.
*
* PARAMS
* handle [O] Variable that receives the file handle on return
* access [I] Access desired by the caller to the file
* attr [I] Structure describing the file to be opened
* io [O] Receives details about the result of the operation
* sharing [I] Type of shared access the caller requires
* options [I] Options for the file open
*
* RETURNS
* Success: 0. FileHandle and IoStatusBlock are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtOpenFile( PHANDLE handle, ACCESS_MASK access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK io,
ULONG sharing, ULONG options )
{
return FILE_CreateFile( handle, access, attr, io, NULL, 0,
sharing, FILE_OPEN, options, NULL, 0 );
}
/**************************************************************************
* NtCreateFile [NTDLL.@]
* ZwCreateFile [NTDLL.@]
*
* Either create a new file or directory, or open an existing file, device,
* directory or volume.
*
* PARAMS
* handle [O] Points to a variable which receives the file handle on return
* access [I] Desired access to the file
* attr [I] Structure describing the file
* io [O] Receives information about the operation on return
* alloc_size [I] Initial size of the file in bytes
* attributes [I] Attributes to create the file with
* sharing [I] Type of shared access the caller would like to the file
* disposition [I] Specifies what to do, depending on whether the file already exists
* options [I] Options for creating a new file
* ea_buffer [I] Pointer to an extended attributes buffer
* ea_length [I] Length of ea_buffer
*
* RETURNS
* Success: 0. handle and io are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtCreateFile( PHANDLE handle, ACCESS_MASK access, POBJECT_ATTRIBUTES attr,
PIO_STATUS_BLOCK io, PLARGE_INTEGER alloc_size,
ULONG attributes, ULONG sharing, ULONG disposition,
ULONG options, PVOID ea_buffer, ULONG ea_length )
{
return FILE_CreateFile( handle, access, attr, io, alloc_size, attributes,
sharing, disposition, options, ea_buffer, ea_length );
}
/***********************************************************************
* Asynchronous file I/O *
*/
struct async_fileio
{
HANDLE handle;
PIO_APC_ROUTINE apc;
void *apc_arg;
};
typedef struct
{
struct async_fileio io;
char* buffer;
unsigned int already;
unsigned int count;
BOOL avail_mode;
} async_fileio_read;
typedef struct
{
struct async_fileio io;
const char *buffer;
unsigned int already;
unsigned int count;
} async_fileio_write;
/* callback for file I/O user APC */
static void WINAPI fileio_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
{
struct async_fileio *async = arg;
if (async->apc) async->apc( async->apc_arg, io, reserved );
RtlFreeHeap( GetProcessHeap(), 0, async );
}
/***********************************************************************
* FILE_GetNtStatus(void)
*
* Retrieve the Nt Status code from errno.
* Try to be consistent with FILE_SetDosError().
*/
NTSTATUS FILE_GetNtStatus(void)
{
int err = errno;
TRACE( "errno = %d\n", errno );
switch (err)
{
case EAGAIN: return STATUS_SHARING_VIOLATION;
case EBADF: return STATUS_INVALID_HANDLE;
case EBUSY: return STATUS_DEVICE_BUSY;
case ENOSPC: return STATUS_DISK_FULL;
case EPERM:
case EROFS:
case EACCES: return STATUS_ACCESS_DENIED;
case ENOTDIR: return STATUS_OBJECT_PATH_NOT_FOUND;
case ENOENT: return STATUS_OBJECT_NAME_NOT_FOUND;
case EISDIR: return STATUS_FILE_IS_A_DIRECTORY;
case EMFILE:
case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
case EINVAL: return STATUS_INVALID_PARAMETER;
case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case EPIPE: return STATUS_PIPE_DISCONNECTED;
case EIO: return STATUS_DEVICE_NOT_READY;
#ifdef ENOMEDIUM
case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
#endif
case ENXIO: return STATUS_NO_SUCH_DEVICE;
case ENOTTY:
case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
case EFAULT: return STATUS_ACCESS_VIOLATION;
case ESPIPE: return STATUS_ILLEGAL_FUNCTION;
case ENOEXEC: /* ?? */
case EEXIST: /* ?? */
default:
FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
return STATUS_UNSUCCESSFUL;
}
}
/***********************************************************************
* FILE_AsyncReadService (INTERNAL)
*/
static NTSTATUS FILE_AsyncReadService(void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc)
{
async_fileio_read *fileio = user;
int fd, needs_close, result;
switch (status)
{
case STATUS_ALERTED: /* got some new data */
/* check to see if the data is ready (non-blocking) */
if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
&needs_close, NULL, NULL )))
break;
result = read(fd, &fileio->buffer[fileio->already], fileio->count - fileio->already);
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR)
status = STATUS_PENDING;
else /* check to see if the transfer is complete */
status = FILE_GetNtStatus();
}
else if (result == 0)
{
status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
}
else
{
fileio->already += result;
if (fileio->already >= fileio->count || fileio->avail_mode)
status = STATUS_SUCCESS;
else
{
/* if we only have to read the available data, and none is available,
* simply cancel the request. If data was available, it has been read
* while in by previous call (NtDelayExecution)
*/
status = (fileio->avail_mode) ? STATUS_SUCCESS : STATUS_PENDING;
}
}
break;
case STATUS_TIMEOUT:
case STATUS_IO_TIMEOUT:
if (fileio->already) status = STATUS_SUCCESS;
break;
}
if (status != STATUS_PENDING)
{
iosb->u.Status = status;
iosb->Information = fileio->already;
*apc = fileio_apc;
}
return status;
}
struct io_timeouts
{
int interval; /* max interval between two bytes */
int total; /* total timeout for the whole operation */
int end_time; /* absolute time of end of operation */
};
/* retrieve the I/O timeouts to use for a given handle */
static NTSTATUS get_io_timeouts( HANDLE handle, enum server_fd_type type, ULONG count, BOOL is_read,
struct io_timeouts *timeouts )
{
NTSTATUS status = STATUS_SUCCESS;
timeouts->interval = timeouts->total = -1;
switch(type)
{
case FD_TYPE_SERIAL:
{
/* GetCommTimeouts */
SERIAL_TIMEOUTS st;
IO_STATUS_BLOCK io;
status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
if (status) break;
if (is_read)
{
if (st.ReadIntervalTimeout)
timeouts->interval = st.ReadIntervalTimeout;
if (st.ReadTotalTimeoutMultiplier || st.ReadTotalTimeoutConstant)
{
timeouts->total = st.ReadTotalTimeoutConstant;
if (st.ReadTotalTimeoutMultiplier != MAXDWORD)
timeouts->total += count * st.ReadTotalTimeoutMultiplier;
}
else if (st.ReadIntervalTimeout == MAXDWORD)
timeouts->interval = timeouts->total = 0;
}
else /* write */
{
if (st.WriteTotalTimeoutMultiplier || st.WriteTotalTimeoutConstant)
{
timeouts->total = st.WriteTotalTimeoutConstant;
if (st.WriteTotalTimeoutMultiplier != MAXDWORD)
timeouts->total += count * st.WriteTotalTimeoutMultiplier;
}
}
}
break;
case FD_TYPE_MAILSLOT:
if (is_read)
{
timeouts->interval = 0; /* return as soon as we got something */
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = 0;
if (!(status = wine_server_call( req )) &&
reply->read_timeout != TIMEOUT_INFINITE)
timeouts->total = reply->read_timeout / -10000;
}
SERVER_END_REQ;
}
break;
case FD_TYPE_SOCKET:
case FD_TYPE_PIPE:
case FD_TYPE_CHAR:
if (is_read) timeouts->interval = 0; /* return as soon as we got something */
break;
default:
break;
}
if (timeouts->total != -1) timeouts->end_time = NtGetTickCount() + timeouts->total;
return STATUS_SUCCESS;
}
/* retrieve the timeout for the next wait, in milliseconds */
static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
{
int ret = -1;
if (timeouts->total != -1)
{
ret = timeouts->end_time - NtGetTickCount();
if (ret < 0) ret = 0;
}
if (already && timeouts->interval != -1)
{
if (ret == -1 || ret > timeouts->interval) ret = timeouts->interval;
}
return ret;
}
/* retrieve the avail_mode flag for async reads */
static NTSTATUS get_io_avail_mode( HANDLE handle, enum server_fd_type type, BOOL *avail_mode )
{
NTSTATUS status = STATUS_SUCCESS;
switch(type)
{
case FD_TYPE_SERIAL:
{
/* GetCommTimeouts */
SERIAL_TIMEOUTS st;
IO_STATUS_BLOCK io;
status = NtDeviceIoControlFile( handle, NULL, NULL, NULL, &io,
IOCTL_SERIAL_GET_TIMEOUTS, NULL, 0, &st, sizeof(st) );
if (status) break;
*avail_mode = (!st.ReadTotalTimeoutMultiplier &&
!st.ReadTotalTimeoutConstant &&
st.ReadIntervalTimeout == MAXDWORD);
}
break;
case FD_TYPE_MAILSLOT:
case FD_TYPE_SOCKET:
case FD_TYPE_PIPE:
case FD_TYPE_CHAR:
*avail_mode = TRUE;
break;
default:
*avail_mode = FALSE;
break;
}
return status;
}
/******************************************************************************
* NtReadFile [NTDLL.@]
* ZwReadFile [NTDLL.@]
*
* Read from an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* Event [I] Event to signal upon completion (or NULL)
* ApcRoutine [I] Callback to call upon completion (or NULL)
* ApcContext [I] Context for ApcRoutine (or NULL)
* IoStatusBlock [O] Receives information about the operation on return
* Buffer [O] Destination for the data read
* Length [I] Size of Buffer
* ByteOffset [O] Destination for the new file pointer position (or NULL)
* Key [O] Function unknown (may be NULL)
*
* RETURNS
* Success: 0. IoStatusBlock is updated, and the Information member contains
* The number of bytes read.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
PLARGE_INTEGER offset, PULONG key)
{
int result, unix_handle, needs_close, timeout_init_done = 0;
unsigned int options;
struct io_timeouts timeouts;
NTSTATUS status;
ULONG total = 0;
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
if (!io_status) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
&needs_close, &type, &options );
if (status) return status;
if (!virtual_check_buffer_for_write( buffer, length ))
{
status = STATUS_ACCESS_VIOLATION;
goto done;
}
if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
{
/* async I/O doesn't make sense on regular files */
while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
{
if (errno != EINTR)
{
status = FILE_GetNtStatus();
goto done;
}
}
if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
/* update file pointer position */
lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
total = result;
status = total ? STATUS_SUCCESS : STATUS_END_OF_FILE;
goto done;
}
for (;;)
{
if ((result = read( unix_handle, (char *)buffer + total, length - total )) >= 0)
{
total += result;
if (!result || total == length)
{
if (total)
{
status = STATUS_SUCCESS;
goto done;
}
switch (type)
{
case FD_TYPE_FILE:
case FD_TYPE_CHAR:
status = STATUS_END_OF_FILE;
goto done;
case FD_TYPE_SERIAL:
break;
default:
status = STATUS_PIPE_BROKEN;
goto done;
}
}
else if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
}
else if (errno != EAGAIN)
{
if (errno == EINTR) continue;
if (!total) status = FILE_GetNtStatus();
goto done;
}
if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
{
async_fileio_read *fileio;
BOOL avail_mode;
if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
goto err;
if (total && avail_mode)
{
status = STATUS_SUCCESS;
goto done;
}
if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
{
status = STATUS_NO_MEMORY;
goto err;
}
fileio->io.handle = hFile;
fileio->io.apc = apc;
fileio->io.apc_arg = apc_user;
fileio->already = total;
fileio->count = length;
fileio->buffer = buffer;
fileio->avail_mode = avail_mode;
SERVER_START_REQ( register_async )
{
req->type = ASYNC_TYPE_READ;
req->count = length;
req->async.handle = wine_server_obj_handle( hFile );
req->async.event = wine_server_obj_handle( hEvent );
req->async.callback = wine_server_client_ptr( FILE_AsyncReadService );
req->async.iosb = wine_server_client_ptr( io_status );
req->async.arg = wine_server_client_ptr( fileio );
req->async.cvalue = cvalue;
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
goto err;
}
else /* synchronous read, wait for the fd to become ready */
{
struct pollfd pfd;
int ret, timeout;
if (!timeout_init_done)
{
timeout_init_done = 1;
if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
goto err;
if (hEvent) NtResetEvent( hEvent, NULL );
}
timeout = get_next_io_timeout( &timeouts, total );
pfd.fd = unix_handle;
pfd.events = POLLIN;
if (!timeout || !(ret = poll( &pfd, 1, timeout )))
{
if (total) /* return with what we got so far */
status = STATUS_SUCCESS;
else
status = (type == FD_TYPE_MAILSLOT) ? STATUS_IO_TIMEOUT : STATUS_TIMEOUT;
goto done;
}
if (ret == -1 && errno != EINTR)
{
status = FILE_GetNtStatus();
goto done;
}
/* will now restart the read */
}
}
done:
if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
err:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS)
{
io_status->u.Status = status;
io_status->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (hEvent) NtSetEvent( hEvent, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
(ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
}
return status;
}
/******************************************************************************
* NtReadFileScatter [NTDLL.@]
* ZwReadFileScatter [NTDLL.@]
*/
NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
ULONG length, PLARGE_INTEGER offset, PULONG key )
{
size_t page_size = getpagesize();
int result, unix_handle, needs_close;
unsigned int options;
NTSTATUS status;
ULONG pos = 0, total = 0;
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
file, event, apc, apc_user, io_status, segments, length, offset, key);
if (length % page_size) return STATUS_INVALID_PARAMETER;
if (!io_status) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( file, FILE_READ_DATA, &unix_handle,
&needs_close, &type, &options );
if (status) return status;
if ((type != FD_TYPE_FILE) ||
(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
!(options & FILE_NO_INTERMEDIATE_BUFFERING))
{
status = STATUS_INVALID_PARAMETER;
goto error;
}
while (length)
{
if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
result = pread( unix_handle, (char *)segments->Buffer + pos,
page_size - pos, offset->QuadPart + total );
else
result = read( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
if (result == -1)
{
if (errno == EINTR) continue;
status = FILE_GetNtStatus();
break;
}
if (!result)
{
status = STATUS_END_OF_FILE;
break;
}
total += result;
length -= result;
if ((pos += result) == page_size)
{
pos = 0;
segments++;
}
}
if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
error:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS)
{
io_status->u.Status = status;
io_status->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (event) NtSetEvent( event, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
(ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
}
return status;
}
/***********************************************************************
* FILE_AsyncWriteService (INTERNAL)
*/
static NTSTATUS FILE_AsyncWriteService(void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status, void **apc)
{
async_fileio_write *fileio = user;
int result, fd, needs_close;
enum server_fd_type type;
switch (status)
{
case STATUS_ALERTED:
/* write some data (non-blocking) */
if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
&needs_close, &type, NULL )))
break;
if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
result = send( fd, fileio->buffer, 0, 0 );
else
result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );
if (needs_close) close( fd );
if (result < 0)
{
if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
else status = FILE_GetNtStatus();
}
else
{
fileio->already += result;
status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
}
break;
case STATUS_TIMEOUT:
case STATUS_IO_TIMEOUT:
if (fileio->already) status = STATUS_SUCCESS;
break;
}
if (status != STATUS_PENDING)
{
iosb->u.Status = status;
iosb->Information = fileio->already;
*apc = fileio_apc;
}
return status;
}
/******************************************************************************
* NtWriteFile [NTDLL.@]
* ZwWriteFile [NTDLL.@]
*
* Write to an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* Event [I] Event to signal upon completion (or NULL)
* ApcRoutine [I] Callback to call upon completion (or NULL)
* ApcContext [I] Context for ApcRoutine (or NULL)
* IoStatusBlock [O] Receives information about the operation on return
* Buffer [I] Source for the data to write
* Length [I] Size of Buffer
* ByteOffset [O] Destination for the new file pointer position (or NULL)
* Key [O] Function unknown (may be NULL)
*
* RETURNS
* Success: 0. IoStatusBlock is updated, and the Information member contains
* The number of bytes written.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtWriteFile(HANDLE hFile, HANDLE hEvent,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status,
const void* buffer, ULONG length,
PLARGE_INTEGER offset, PULONG key)
{
int result, unix_handle, needs_close, timeout_init_done = 0;
unsigned int options;
struct io_timeouts timeouts;
NTSTATUS status;
ULONG total = 0;
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)!\n",
hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);
if (!io_status) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
&needs_close, &type, &options );
if (status) return status;
if (!virtual_check_buffer_for_read( buffer, length ))
{
status = STATUS_INVALID_USER_BUFFER;
goto done;
}
if (type == FD_TYPE_FILE && offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */ )
{
/* async I/O doesn't make sense on regular files */
while ((result = pwrite( unix_handle, buffer, length, offset->QuadPart )) == -1)
{
if (errno != EINTR)
{
if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
else status = FILE_GetNtStatus();
goto done;
}
}
if (options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT))
/* update file pointer position */
lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
total = result;
status = STATUS_SUCCESS;
goto done;
}
for (;;)
{
/* zero-length writes on sockets may not work with plain write(2) */
if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_PIPE || type == FD_TYPE_SOCKET))
result = send( unix_handle, buffer, 0, 0 );
else
result = write( unix_handle, (const char *)buffer + total, length - total );
if (result >= 0)
{
total += result;
if (total == length)
{
status = STATUS_SUCCESS;
goto done;
}
if (type == FD_TYPE_FILE) continue; /* no async I/O on regular files */
}
else if (errno != EAGAIN)
{
if (errno == EINTR) continue;
if (!total)
{
if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
else status = FILE_GetNtStatus();
}
goto done;
}
if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
{
async_fileio_write *fileio;
if (!(fileio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*fileio))))
{
status = STATUS_NO_MEMORY;
goto err;
}
fileio->io.handle = hFile;
fileio->io.apc = apc;
fileio->io.apc_arg = apc_user;
fileio->already = total;
fileio->count = length;
fileio->buffer = buffer;
SERVER_START_REQ( register_async )
{
req->type = ASYNC_TYPE_WRITE;
req->count = length;
req->async.handle = wine_server_obj_handle( hFile );
req->async.event = wine_server_obj_handle( hEvent );
req->async.callback = wine_server_client_ptr( FILE_AsyncWriteService );
req->async.iosb = wine_server_client_ptr( io_status );
req->async.arg = wine_server_client_ptr( fileio );
req->async.cvalue = cvalue;
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
goto err;
}
else /* synchronous write, wait for the fd to become ready */
{
struct pollfd pfd;
int ret, timeout;
if (!timeout_init_done)
{
timeout_init_done = 1;
if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
goto err;
if (hEvent) NtResetEvent( hEvent, NULL );
}
timeout = get_next_io_timeout( &timeouts, total );
pfd.fd = unix_handle;
pfd.events = POLLOUT;
if (!timeout || !(ret = poll( &pfd, 1, timeout )))
{
/* return with what we got so far */
status = total ? STATUS_SUCCESS : STATUS_TIMEOUT;
goto done;
}
if (ret == -1 && errno != EINTR)
{
status = FILE_GetNtStatus();
goto done;
}
/* will now restart the write */
}
}
done:
if (cvalue) NTDLL_AddCompletion( hFile, cvalue, status, total );
err:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS)
{
io_status->u.Status = status;
io_status->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (hEvent) NtSetEvent( hEvent, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
(ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
}
return status;
}
/******************************************************************************
* NtWriteFileGather [NTDLL.@]
* ZwWriteFileGather [NTDLL.@]
*/
NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
ULONG length, PLARGE_INTEGER offset, PULONG key )
{
size_t page_size = getpagesize();
int result, unix_handle, needs_close;
unsigned int options;
NTSTATUS status;
ULONG pos = 0, total = 0;
enum server_fd_type type;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
TRACE( "(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p),partial stub!\n",
file, event, apc, apc_user, io_status, segments, length, offset, key);
if (length % page_size) return STATUS_INVALID_PARAMETER;
if (!io_status) return STATUS_ACCESS_VIOLATION;
status = server_get_unix_fd( file, FILE_WRITE_DATA, &unix_handle,
&needs_close, &type, &options );
if (status) return status;
if ((type != FD_TYPE_FILE) ||
(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) ||
!(options & FILE_NO_INTERMEDIATE_BUFFERING))
{
status = STATUS_INVALID_PARAMETER;
goto error;
}
while (length)
{
if (offset && offset->QuadPart != (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */)
result = pwrite( unix_handle, (char *)segments->Buffer + pos,
page_size - pos, offset->QuadPart + total );
else
result = write( unix_handle, (char *)segments->Buffer + pos, page_size - pos );
if (result == -1)
{
if (errno == EINTR) continue;
if (errno == EFAULT)
{
status = STATUS_INVALID_USER_BUFFER;
goto error;
}
status = FILE_GetNtStatus();
break;
}
if (!result)
{
status = STATUS_DISK_FULL;
break;
}
total += result;
length -= result;
if ((pos += result) == page_size)
{
pos = 0;
segments++;
}
}
if (cvalue) NTDLL_AddCompletion( file, cvalue, status, total );
error:
if (needs_close) close( unix_handle );
if (status == STATUS_SUCCESS)
{
io_status->u.Status = status;
io_status->Information = total;
TRACE("= SUCCESS (%u)\n", total);
if (event) NtSetEvent( event, NULL );
if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
(ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
}
else
{
TRACE("= 0x%08x\n", status);
if (status != STATUS_PENDING && event) NtResetEvent( event, NULL );
}
return status;
}
struct async_ioctl
{
HANDLE handle; /* handle to the device */
HANDLE event; /* async event */
void *buffer; /* buffer for output */
ULONG size; /* size of buffer */
PIO_APC_ROUTINE apc; /* user apc params */
void *apc_arg;
};
/* callback for ioctl user APC */
static void WINAPI ioctl_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
{
struct async_ioctl *async = arg;
if (async->apc) async->apc( async->apc_arg, io, reserved );
RtlFreeHeap( GetProcessHeap(), 0, async );
}
/* callback for ioctl async I/O completion */
static NTSTATUS ioctl_completion( void *arg, IO_STATUS_BLOCK *io, NTSTATUS status, void **apc )
{
struct async_ioctl *async = arg;
if (status == STATUS_ALERTED)
{
SERVER_START_REQ( get_ioctl_result )
{
req->handle = wine_server_obj_handle( async->handle );
req->user_arg = wine_server_client_ptr( async );
wine_server_set_reply( req, async->buffer, async->size );
status = wine_server_call( req );
if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
}
SERVER_END_REQ;
}
if (status != STATUS_PENDING)
{
io->u.Status = status;
if (async->apc || async->event) *apc = ioctl_apc;
}
return status;
}
/* do a ioctl call through the server */
static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
PIO_APC_ROUTINE apc, PVOID apc_context,
IO_STATUS_BLOCK *io, ULONG code,
const void *in_buffer, ULONG in_size,
PVOID out_buffer, ULONG out_size )
{
struct async_ioctl *async;
NTSTATUS status;
HANDLE wait_handle;
ULONG options;
ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_context;
if (!(async = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*async) )))
return STATUS_NO_MEMORY;
async->handle = handle;
async->event = event;
async->buffer = out_buffer;
async->size = out_size;
async->apc = apc;
async->apc_arg = apc_context;
SERVER_START_REQ( ioctl )
{
req->code = code;
req->blocking = !apc && !event;
req->async.handle = wine_server_obj_handle( handle );
req->async.callback = wine_server_client_ptr( ioctl_completion );
req->async.iosb = wine_server_client_ptr( io );
req->async.arg = wine_server_client_ptr( async );
req->async.event = wine_server_obj_handle( event );
req->async.cvalue = cvalue;
wine_server_add_data( req, in_buffer, in_size );
wine_server_set_reply( req, out_buffer, out_size );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );
options = reply->options;
if (status != STATUS_PENDING) io->Information = wine_server_reply_size( reply );
}
SERVER_END_REQ;
if (status == STATUS_NOT_SUPPORTED)
FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );
if (wait_handle)
{
NtWaitForSingleObject( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), NULL );
status = io->u.Status;
NtClose( wait_handle );
RtlFreeHeap( GetProcessHeap(), 0, async );
}
return status;
}
/* Tell Valgrind to ignore any holes in structs we will be passing to the
* server */
static void ignore_server_ioctl_struct_holes (ULONG code, const void *in_buffer,
ULONG in_size)
{
#ifdef VALGRIND_MAKE_MEM_DEFINED
# define IGNORE_STRUCT_HOLE(buf, size, t, f1, f2) \
do { \
if ((size) >= FIELD_OFFSET(t, f2) && \
FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
VALGRIND_MAKE_MEM_DEFINED( \
(const char *)(buf) + FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1), \
FIELD_OFFSET(t, f2) - FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1)); \
} while (0)
switch (code)
{
case FSCTL_PIPE_WAIT:
IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
break;
}
#endif
}
/**************************************************************************
* NtDeviceIoControlFile [NTDLL.@]
* ZwDeviceIoControlFile [NTDLL.@]
*
* Perform an I/O control operation on an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* event [I] Event to signal upon completion (or NULL)
* apc [I] Callback to call upon completion (or NULL)
* apc_context [I] Context for ApcRoutine (or NULL)
* io [O] Receives information about the operation on return
* code [I] Control code for the operation to perform
* in_buffer [I] Source for any input data required (or NULL)
* in_size [I] Size of InputBuffer
* out_buffer [O] Source for any output data returned (or NULL)
* out_size [I] Size of OutputBuffer
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
PIO_APC_ROUTINE apc, PVOID apc_context,
PIO_STATUS_BLOCK io, ULONG code,
PVOID in_buffer, ULONG in_size,
PVOID out_buffer, ULONG out_size)
{
ULONG device = (code >> 16);
NTSTATUS status = STATUS_NOT_SUPPORTED;
TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
switch(device)
{
case FILE_DEVICE_DISK:
case FILE_DEVICE_CD_ROM:
case FILE_DEVICE_DVD:
case FILE_DEVICE_CONTROLLER:
case FILE_DEVICE_MASS_STORAGE:
status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
case FILE_DEVICE_SERIAL_PORT:
status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
case FILE_DEVICE_TAPE:
status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
break;
}
if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
status = server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
if (status != STATUS_PENDING) io->u.Status = status;
return status;
}
/**************************************************************************
* NtFsControlFile [NTDLL.@]
* ZwFsControlFile [NTDLL.@]
*
* Perform a file system control operation on an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* event [I] Event to signal upon completion (or NULL)
* apc [I] Callback to call upon completion (or NULL)
* apc_context [I] Context for ApcRoutine (or NULL)
* io [O] Receives information about the operation on return
* code [I] Control code for the operation to perform
* in_buffer [I] Source for any input data required (or NULL)
* in_size [I] Size of InputBuffer
* out_buffer [O] Source for any output data returned (or NULL)
* out_size [I] Size of OutputBuffer
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
PVOID apc_context, PIO_STATUS_BLOCK io, ULONG code,
PVOID in_buffer, ULONG in_size, PVOID out_buffer, ULONG out_size)
{
NTSTATUS status;
TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size);
if (!io) return STATUS_INVALID_PARAMETER;
ignore_server_ioctl_struct_holes( code, in_buffer, in_size );
switch(code)
{
case FSCTL_DISMOUNT_VOLUME:
status = server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
if (!status) status = DIR_unmount_device( handle );
break;
case FSCTL_PIPE_PEEK:
{
FILE_PIPE_PEEK_BUFFER *buffer = out_buffer;
int avail = 0, fd, needs_close;
if (out_size < FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ))
{
status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if ((status = server_get_unix_fd( handle, FILE_READ_DATA, &fd, &needs_close, NULL, NULL )))
break;
#ifdef FIONREAD
if (ioctl( fd, FIONREAD, &avail ) != 0)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
if (needs_close) close( fd );
status = FILE_GetNtStatus();
break;
}
#endif
if (!avail) /* check for closed pipe */
{
struct pollfd pollfd;
int ret;
pollfd.fd = fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
ret = poll( &pollfd, 1, 0 );
if (ret == -1 || (ret == 1 && (pollfd.revents & (POLLHUP|POLLERR))))
{
if (needs_close) close( fd );
status = STATUS_PIPE_BROKEN;
break;
}
}
buffer->NamedPipeState = 0; /* FIXME */
buffer->ReadDataAvailable = avail;
buffer->NumberOfMessages = 0; /* FIXME */
buffer->MessageLength = 0; /* FIXME */
io->Information = FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
status = STATUS_SUCCESS;
if (avail)
{
ULONG data_size = out_size - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
if (data_size)
{
int res = recv( fd, buffer->Data, data_size, MSG_PEEK );
if (res >= 0) io->Information += res;
}
}
if (needs_close) close( fd );
}
break;
case FSCTL_PIPE_DISCONNECT:
status = server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
if (!status)
{
int fd = server_remove_fd_from_cache( handle );
if (fd != -1) close( fd );
}
break;
case FSCTL_PIPE_IMPERSONATE:
FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
status = RtlImpersonateSelf( SecurityImpersonation );
break;
case FSCTL_LOCK_VOLUME:
case FSCTL_UNLOCK_VOLUME:
FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
status = STATUS_SUCCESS;
break;
case FSCTL_PIPE_LISTEN:
case FSCTL_PIPE_WAIT:
default:
status = server_ioctl_file( handle, event, apc, apc_context, io, code,
in_buffer, in_size, out_buffer, out_size );
break;
}
if (status != STATUS_PENDING) io->u.Status = status;
return status;
}
/******************************************************************************
* NtSetVolumeInformationFile [NTDLL.@]
* ZwSetVolumeInformationFile [NTDLL.@]
*
* Set volume information for an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* IoStatusBlock [O] Receives information about the operation on return
* FsInformation [I] Source for volume information
* Length [I] Size of FsInformation
* FsInformationClass [I] Type of volume information to set
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtSetVolumeInformationFile(
IN HANDLE FileHandle,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID FsInformation,
ULONG Length,
FS_INFORMATION_CLASS FsInformationClass)
{
FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
return 0;
}
static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
LARGE_INTEGER *atime, LARGE_INTEGER *creation )
{
RtlSecondsSince1970ToTime( st->st_mtime, mtime );
RtlSecondsSince1970ToTime( st->st_ctime, ctime );
RtlSecondsSince1970ToTime( st->st_atime, atime );
#ifdef HAVE_STRUCT_STAT_ST_MTIM
mtime->QuadPart += st->st_mtim.tv_nsec / 100;
#endif
#ifdef HAVE_STRUCT_STAT_ST_CTIM
ctime->QuadPart += st->st_ctim.tv_nsec / 100;
#endif
#ifdef HAVE_STRUCT_STAT_ST_ATIM
atime->QuadPart += st->st_atim.tv_nsec / 100;
#endif
*creation = *mtime;
}
/* fill in the file information that depends on the stat info */
NTSTATUS fill_stat_info( const struct stat *st, void *ptr, FILE_INFORMATION_CLASS class )
{
switch (class)
{
case FileBasicInformation:
{
FILE_BASIC_INFORMATION *info = ptr;
get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
&info->LastAccessTime, &info->CreationTime );
if (S_ISDIR(st->st_mode)) info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
else info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
}
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION *info = ptr;
if ((info->Directory = S_ISDIR(st->st_mode)))
{
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
info->NumberOfLinks = 1;
}
else
{
info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
info->EndOfFile.QuadPart = st->st_size;
info->NumberOfLinks = st->st_nlink;
}
}
break;
case FileInternalInformation:
{
FILE_INTERNAL_INFORMATION *info = ptr;
info->IndexNumber.QuadPart = st->st_ino;
}
break;
case FileEndOfFileInformation:
{
FILE_END_OF_FILE_INFORMATION *info = ptr;
info->EndOfFile.QuadPart = S_ISDIR(st->st_mode) ? 0 : st->st_size;
}
break;
case FileAllInformation:
{
FILE_ALL_INFORMATION *info = ptr;
fill_stat_info( st, &info->BasicInformation, FileBasicInformation );
fill_stat_info( st, &info->StandardInformation, FileStandardInformation );
fill_stat_info( st, &info->InternalInformation, FileInternalInformation );
}
break;
/* all directory structures start with the FileDirectoryInformation layout */
case FileBothDirectoryInformation:
case FileFullDirectoryInformation:
case FileDirectoryInformation:
{
FILE_DIRECTORY_INFORMATION *info = ptr;
get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
&info->LastAccessTime, &info->CreationTime );
if (S_ISDIR(st->st_mode))
{
info->AllocationSize.QuadPart = 0;
info->EndOfFile.QuadPart = 0;
info->FileAttributes = FILE_ATTRIBUTE_DIRECTORY;
}
else
{
info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
info->EndOfFile.QuadPart = st->st_size;
info->FileAttributes = FILE_ATTRIBUTE_ARCHIVE;
}
if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
}
break;
case FileIdFullDirectoryInformation:
{
FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
info->FileId.QuadPart = st->st_ino;
fill_stat_info( st, info, FileDirectoryInformation );
}
break;
case FileIdBothDirectoryInformation:
{
FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
info->FileId.QuadPart = st->st_ino;
fill_stat_info( st, info, FileDirectoryInformation );
}
break;
default:
return STATUS_INVALID_INFO_CLASS;
}
return STATUS_SUCCESS;
}
NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
{
data_size_t size = 1024;
NTSTATUS ret;
char *name;
for (;;)
{
name = RtlAllocateHeap( GetProcessHeap(), 0, size + 1 );
if (!name) return STATUS_NO_MEMORY;
unix_name->MaximumLength = size + 1;
SERVER_START_REQ( get_handle_unix_name )
{
req->handle = wine_server_obj_handle( handle );
wine_server_set_reply( req, name, size );
ret = wine_server_call( req );
size = reply->name_len;
}
SERVER_END_REQ;
if (!ret)
{
name[size] = 0;
unix_name->Buffer = name;
unix_name->Length = size;
break;
}
RtlFreeHeap( GetProcessHeap(), 0, name );
if (ret != STATUS_BUFFER_OVERFLOW) break;
}
return ret;
}
static NTSTATUS fill_name_info( const ANSI_STRING *unix_name, FILE_NAME_INFORMATION *info, LONG *name_len )
{
UNICODE_STRING nt_name;
NTSTATUS status;
if (!(status = wine_unix_to_nt_file_name( unix_name, &nt_name )))
{
const WCHAR *ptr = nt_name.Buffer;
const WCHAR *end = ptr + (nt_name.Length / sizeof(WCHAR));
/* Skip the volume mount point. */
while (ptr != end && *ptr == '\\') ++ptr;
while (ptr != end && *ptr != '\\') ++ptr;
while (ptr != end && *ptr == '\\') ++ptr;
while (ptr != end && *ptr != '\\') ++ptr;
info->FileNameLength = (end - ptr) * sizeof(WCHAR);
if (*name_len < info->FileNameLength) status = STATUS_BUFFER_OVERFLOW;
else *name_len = info->FileNameLength;
memcpy( info->FileName, ptr, *name_len );
RtlFreeUnicodeString( &nt_name );
}
return status;
}
/******************************************************************************
* NtQueryInformationFile [NTDLL.@]
* ZwQueryInformationFile [NTDLL.@]
*
* Get information about an open file handle.
*
* PARAMS
* hFile [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* ptr [O] Destination for file information
* len [I] Size of FileInformation
* class [I] Type of file information to get
*
* RETURNS
* Success: 0. IoStatusBlock and FileInformation are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
{
static const size_t info_sizes[] =
{
0,
sizeof(FILE_DIRECTORY_INFORMATION), /* FileDirectoryInformation */
sizeof(FILE_FULL_DIRECTORY_INFORMATION), /* FileFullDirectoryInformation */
sizeof(FILE_BOTH_DIRECTORY_INFORMATION), /* FileBothDirectoryInformation */
sizeof(FILE_BASIC_INFORMATION), /* FileBasicInformation */
sizeof(FILE_STANDARD_INFORMATION), /* FileStandardInformation */
sizeof(FILE_INTERNAL_INFORMATION), /* FileInternalInformation */
sizeof(FILE_EA_INFORMATION), /* FileEaInformation */
sizeof(FILE_ACCESS_INFORMATION), /* FileAccessInformation */
sizeof(FILE_NAME_INFORMATION), /* FileNameInformation */
sizeof(FILE_RENAME_INFORMATION)-sizeof(WCHAR), /* FileRenameInformation */
0, /* FileLinkInformation */
sizeof(FILE_NAMES_INFORMATION)-sizeof(WCHAR), /* FileNamesInformation */
sizeof(FILE_DISPOSITION_INFORMATION), /* FileDispositionInformation */
sizeof(FILE_POSITION_INFORMATION), /* FilePositionInformation */
sizeof(FILE_FULL_EA_INFORMATION), /* FileFullEaInformation */
sizeof(FILE_MODE_INFORMATION), /* FileModeInformation */
sizeof(FILE_ALIGNMENT_INFORMATION), /* FileAlignmentInformation */
sizeof(FILE_ALL_INFORMATION), /* FileAllInformation */
sizeof(FILE_ALLOCATION_INFORMATION), /* FileAllocationInformation */
sizeof(FILE_END_OF_FILE_INFORMATION), /* FileEndOfFileInformation */
0, /* FileAlternateNameInformation */
sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
0, /* FilePipeInformation */
sizeof(FILE_PIPE_LOCAL_INFORMATION), /* FilePipeLocalInformation */
0, /* FilePipeRemoteInformation */
sizeof(FILE_MAILSLOT_QUERY_INFORMATION), /* FileMailslotQueryInformation */
0, /* FileMailslotSetInformation */
0, /* FileCompressionInformation */
0, /* FileObjectIdInformation */
0, /* FileCompletionInformation */
0, /* FileMoveClusterInformation */
0, /* FileQuotaInformation */
0, /* FileReparsePointInformation */
0, /* FileNetworkOpenInformation */
0, /* FileAttributeTagInformation */
0, /* FileTrackingInformation */
0, /* FileIdBothDirectoryInformation */
0, /* FileIdFullDirectoryInformation */
0, /* FileValidDataLengthInformation */
0, /* FileShortNameInformation */
0,
0,
0,
0, /* FileSfioReserveInformation */
0, /* FileSfioVolumeInformation */
0, /* FileHardLinkInformation */
0,
0, /* FileNormalizedNameInformation */
0,
0, /* FileIdGlobalTxDirectoryInformation */
0,
0,
0,
0 /* FileStandardLinkInformation */
};
struct stat st;
int fd, needs_close = FALSE;
TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
io->Information = 0;
if (class <= 0 || class >= FileMaximumInformation)
return io->u.Status = STATUS_INVALID_INFO_CLASS;
if (!info_sizes[class])
{
FIXME("Unsupported class (%d)\n", class);
return io->u.Status = STATUS_NOT_IMPLEMENTED;
}
if (len < info_sizes[class])
return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
if (class != FilePipeLocalInformation)
{
if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
}
switch (class)
{
case FileBasicInformation:
if (fstat( fd, &st ) == -1)
io->u.Status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
io->u.Status = STATUS_INVALID_INFO_CLASS;
else
fill_stat_info( &st, ptr, class );
break;
case FileStandardInformation:
{
FILE_STANDARD_INFORMATION *info = ptr;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else
{
fill_stat_info( &st, info, class );
info->DeletePending = FALSE; /* FIXME */
}
}
break;
case FilePositionInformation:
{
FILE_POSITION_INFORMATION *info = ptr;
off_t res = lseek( fd, 0, SEEK_CUR );
if (res == (off_t)-1) io->u.Status = FILE_GetNtStatus();
else info->CurrentByteOffset.QuadPart = res;
}
break;
case FileInternalInformation:
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else fill_stat_info( &st, ptr, class );
break;
case FileEaInformation:
{
FILE_EA_INFORMATION *info = ptr;
info->EaSize = 0;
}
break;
case FileEndOfFileInformation:
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else fill_stat_info( &st, ptr, class );
break;
case FileAllInformation:
{
FILE_ALL_INFORMATION *info = ptr;
ANSI_STRING unix_name;
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
io->u.Status = STATUS_INVALID_INFO_CLASS;
else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
{
LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);
fill_stat_info( &st, info, FileAllInformation );
info->StandardInformation.DeletePending = FALSE; /* FIXME */
info->EaInformation.EaSize = 0;
info->AccessInformation.AccessFlags = 0; /* FIXME */
info->PositionInformation.CurrentByteOffset.QuadPart = lseek( fd, 0, SEEK_CUR );
info->ModeInformation.Mode = 0; /* FIXME */
info->AlignmentInformation.AlignmentRequirement = 1; /* FIXME */
io->u.Status = fill_name_info( &unix_name, &info->NameInformation, &name_len );
RtlFreeAnsiString( &unix_name );
io->Information = FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName) + name_len;
}
}
break;
case FileMailslotQueryInformation:
{
FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( hFile );
req->flags = 0;
io->u.Status = wine_server_call( req );
if( io->u.Status == STATUS_SUCCESS )
{
info->MaximumMessageSize = reply->max_msgsize;
info->MailslotQuota = 0;
info->NextMessageSize = 0;
info->MessagesAvailable = 0;
info->ReadTimeout.QuadPart = reply->read_timeout;
}
}
SERVER_END_REQ;
if (!io->u.Status)
{
char *tmpbuf;
ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
if (size > 0x10000) size = 0x10000;
if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
{
int fd, needs_close;
if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
{
int res = recv( fd, tmpbuf, size, MSG_PEEK );
info->MessagesAvailable = (res > 0);
info->NextMessageSize = (res >= 0) ? res : MAILSLOT_NO_MESSAGE;
if (needs_close) close( fd );
}
RtlFreeHeap( GetProcessHeap(), 0, tmpbuf );
}
}
}
break;
case FilePipeLocalInformation:
{
FILE_PIPE_LOCAL_INFORMATION* pli = ptr;
SERVER_START_REQ( get_named_pipe_info )
{
req->handle = wine_server_obj_handle( hFile );
if (!(io->u.Status = wine_server_call( req )))
{
pli->NamedPipeType = (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) ?
FILE_PIPE_TYPE_MESSAGE : FILE_PIPE_TYPE_BYTE;
pli->NamedPipeConfiguration = 0; /* FIXME */
pli->MaximumInstances = reply->maxinstances;
pli->CurrentInstances = reply->instances;
pli->InboundQuota = reply->insize;
pli->ReadDataAvailable = 0; /* FIXME */
pli->OutboundQuota = reply->outsize;
pli->WriteQuotaAvailable = 0; /* FIXME */
pli->NamedPipeState = 0; /* FIXME */
pli->NamedPipeEnd = (reply->flags & NAMED_PIPE_SERVER_END) ?
FILE_PIPE_SERVER_END : FILE_PIPE_CLIENT_END;
}
}
SERVER_END_REQ;
}
break;
case FileNameInformation:
{
FILE_NAME_INFORMATION *info = ptr;
ANSI_STRING unix_name;
if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
{
LONG name_len = len - FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
io->u.Status = fill_name_info( &unix_name, info, &name_len );
RtlFreeAnsiString( &unix_name );
io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
}
}
break;
default:
FIXME("Unsupported class (%d)\n", class);
io->u.Status = STATUS_NOT_IMPLEMENTED;
break;
}
if (needs_close) close( fd );
if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
return io->u.Status;
}
/******************************************************************************
* NtSetInformationFile [NTDLL.@]
* ZwSetInformationFile [NTDLL.@]
*
* Set information about an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* ptr [I] Source for file information
* len [I] Size of FileInformation
* class [I] Type of file information to set
*
* RETURNS
* Success: 0. io is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
{
int fd, needs_close;
TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
io->u.Status = STATUS_SUCCESS;
switch (class)
{
case FileBasicInformation:
if (len >= sizeof(FILE_BASIC_INFORMATION))
{
struct stat st;
const FILE_BASIC_INFORMATION *info = ptr;
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
{
struct timeval tv[2];
if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
{
tv[0].tv_sec = tv[0].tv_usec = 0;
tv[1].tv_sec = tv[1].tv_usec = 0;
if (!fstat( fd, &st ))
{
tv[0].tv_sec = st.st_atime;
tv[1].tv_sec = st.st_mtime;
}
}
if (info->LastAccessTime.QuadPart)
{
ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
UINT nsec = info->LastAccessTime.QuadPart % 10000000;
tv[0].tv_sec = sec - SECS_1601_TO_1970;
tv[0].tv_usec = nsec / 10;
}
if (info->LastWriteTime.QuadPart)
{
ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
UINT nsec = info->LastWriteTime.QuadPart % 10000000;
tv[1].tv_sec = sec - SECS_1601_TO_1970;
tv[1].tv_usec = nsec / 10;
}
if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
}
if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
{
if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
else
{
if (info->FileAttributes & FILE_ATTRIBUTE_READONLY)
{
if (S_ISDIR( st.st_mode))
WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
else
st.st_mode &= ~0222; /* clear write permission bits */
}
else
{
/* add write permission only where we already have read permission */
st.st_mode |= (0600 | ((st.st_mode & 044) >> 1)) & (~FILE_umask);
}
if (fchmod( fd, st.st_mode ) == -1) io->u.Status = FILE_GetNtStatus();
}
}
if (needs_close) close( fd );
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FilePositionInformation:
if (len >= sizeof(FILE_POSITION_INFORMATION))
{
const FILE_POSITION_INFORMATION *info = ptr;
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
io->u.Status = FILE_GetNtStatus();
if (needs_close) close( fd );
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FileEndOfFileInformation:
if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
{
struct stat st;
const FILE_END_OF_FILE_INFORMATION *info = ptr;
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
return io->u.Status;
/* first try normal truncate */
if (ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
/* now check for the need to extend the file */
if (fstat( fd, &st ) != -1 && (off_t)info->EndOfFile.QuadPart > st.st_size)
{
static const char zero;
/* extend the file one byte beyond the requested size and then truncate it */
/* this should work around ftruncate implementations that can't extend files */
if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
}
io->u.Status = FILE_GetNtStatus();
if (needs_close) close( fd );
}
else io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
case FileMailslotSetInformation:
{
FILE_MAILSLOT_SET_INFORMATION *info = ptr;
SERVER_START_REQ( set_mailslot_info )
{
req->handle = wine_server_obj_handle( handle );
req->flags = MAILSLOT_SET_READ_TIMEOUT;
req->read_timeout = info->ReadTimeout.QuadPart;
io->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
}
break;
case FileCompletionInformation:
if (len >= sizeof(FILE_COMPLETION_INFORMATION))
{
FILE_COMPLETION_INFORMATION *info = ptr;
SERVER_START_REQ( set_completion_info )
{
req->handle = wine_server_obj_handle( handle );
req->chandle = wine_server_obj_handle( info->CompletionPort );
req->ckey = info->CompletionKey;
io->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
} else
io->u.Status = STATUS_INVALID_PARAMETER_3;
break;
default:
FIXME("Unsupported class (%d)\n", class);
io->u.Status = STATUS_NOT_IMPLEMENTED;
break;
}
io->Information = 0;
return io->u.Status;
}
/******************************************************************************
* NtQueryFullAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
FILE_NETWORK_OPEN_INFORMATION *info )
{
ANSI_STRING unix_name;
NTSTATUS status;
if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
{
struct stat st;
if (stat( unix_name.Buffer, &st ) == -1)
status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
FILE_BASIC_INFORMATION basic;
FILE_STANDARD_INFORMATION std;
fill_stat_info( &st, &basic, FileBasicInformation );
fill_stat_info( &st, &std, FileStandardInformation );
info->CreationTime = basic.CreationTime;
info->LastAccessTime = basic.LastAccessTime;
info->LastWriteTime = basic.LastWriteTime;
info->ChangeTime = basic.ChangeTime;
info->AllocationSize = std.AllocationSize;
info->EndOfFile = std.EndOfFile;
info->FileAttributes = basic.FileAttributes;
if (DIR_is_hidden_file( attr->ObjectName ))
info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
return status;
}
/******************************************************************************
* NtQueryAttributesFile (NTDLL.@)
* ZwQueryAttributesFile (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
{
ANSI_STRING unix_name;
NTSTATUS status;
if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
{
struct stat st;
if (stat( unix_name.Buffer, &st ) == -1)
status = FILE_GetNtStatus();
else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
status = STATUS_INVALID_INFO_CLASS;
else
{
status = fill_stat_info( &st, info, FileBasicInformation );
if (DIR_is_hidden_file( attr->ObjectName ))
info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
RtlFreeAnsiString( &unix_name );
}
else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
return status;
}
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
/* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
unsigned int flags )
{
if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
{
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
/* Don't assume read-only, let the mount options set it below */
info->Characteristics |= FILE_REMOVABLE_MEDIA;
}
else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
!strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
else if (!strcmp("procfs", fstypename))
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
else
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
if (flags & MNT_RDONLY)
info->Characteristics |= FILE_READ_ONLY_DEVICE;
if (!(flags & MNT_LOCAL))
{
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
}
}
#endif
static inline int is_device_placeholder( int fd )
{
static const char wine_placeholder[] = "Wine device placeholder";
char buffer[sizeof(wine_placeholder)-1];
if (pread( fd, buffer, sizeof(wine_placeholder) - 1, 0 ) != sizeof(wine_placeholder) - 1)
return 0;
return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
}
/******************************************************************************
* get_device_info
*
* Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
*/
static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
{
struct stat st;
info->Characteristics = 0;
if (fstat( fd, &st ) < 0) return FILE_GetNtStatus();
if (S_ISCHR( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_UNKNOWN;
#ifdef linux
switch(major(st.st_rdev))
{
case MEM_MAJOR:
info->DeviceType = FILE_DEVICE_NULL;
break;
case TTY_MAJOR:
info->DeviceType = FILE_DEVICE_SERIAL_PORT;
break;
case LP_MAJOR:
info->DeviceType = FILE_DEVICE_PARALLEL_PORT;
break;
case SCSI_TAPE_MAJOR:
info->DeviceType = FILE_DEVICE_TAPE;
break;
}
#endif
}
else if (S_ISBLK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else if (S_ISFIFO( st.st_mode ) || S_ISSOCK( st.st_mode ))
{
info->DeviceType = FILE_DEVICE_NAMED_PIPE;
}
else if (is_device_placeholder( fd ))
{
info->DeviceType = FILE_DEVICE_DISK;
}
else /* regular file or directory */
{
#if defined(linux) && defined(HAVE_FSTATFS)
struct statfs stfs;
/* check for floppy disk */
if (major(st.st_dev) == FLOPPY_MAJOR)
info->Characteristics |= FILE_REMOVABLE_MEDIA;
if (fstatfs( fd, &stfs ) < 0) stfs.f_type = 0;
switch (stfs.f_type)
{
case 0x9660: /* iso9660 */
case 0x9fa1: /* supermount */
case 0x15013346: /* udf */
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case 0x6969: /* nfs */
case 0x517B: /* smbfs */
case 0x564c: /* ncpfs */
info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOTE_DEVICE;
break;
case 0x01021994: /* tmpfs */
case 0x28cd3d45: /* cramfs */
case 0x1373: /* devfs */
case 0x9fa0: /* procfs */
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
break;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
#elif defined(__NetBSD__)
struct statvfs stfs;
if (fstatvfs( fd, &stfs) < 0)
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
else
get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
#elif defined(sun)
/* Use dkio to work out device types */
{
# include <sys/dkio.h>
# include <sys/vtoc.h>
struct dk_cinfo dkinf;
int retval = ioctl(fd, DKIOCINFO, &dkinf);
if(retval==-1){
WARN("Unable to get disk device type information - assuming a disk like device\n");
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
switch (dkinf.dki_ctype)
{
case DKC_CDROM:
info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
break;
case DKC_NCRFLOPPY:
case DKC_SMSFLOPPY:
case DKC_INTEL82072:
case DKC_INTEL82077:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
info->Characteristics |= FILE_REMOVABLE_MEDIA;
break;
case DKC_MD:
info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
break;
default:
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
}
}
#else
static int warned;
if (!warned++) FIXME( "device info not properly supported on this platform\n" );
info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
#endif
info->Characteristics |= FILE_DEVICE_IS_MOUNTED;
}
return STATUS_SUCCESS;
}
/******************************************************************************
* NtQueryVolumeInformationFile [NTDLL.@]
* ZwQueryVolumeInformationFile [NTDLL.@]
*
* Get volume information for an open file handle.
*
* PARAMS
* handle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* io [O] Receives information about the operation on return
* buffer [O] Destination for volume information
* length [I] Size of FsInformation
* info_class [I] Type of volume information to set
*
* RETURNS
* Success: 0. io and buffer are updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
PVOID buffer, ULONG length,
FS_INFORMATION_CLASS info_class )
{
int fd, needs_close;
struct stat st;
static int once;
if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
return io->u.Status;
io->u.Status = STATUS_NOT_IMPLEMENTED;
io->Information = 0;
switch( info_class )
{
case FileFsVolumeInformation:
if (!once++) FIXME( "%p: volume info not supported\n", handle );
break;
case FileFsLabelInformation:
FIXME( "%p: label info not supported\n", handle );
break;
case FileFsSizeInformation:
if (length < sizeof(FILE_FS_SIZE_INFORMATION))
io->u.Status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_SIZE_INFORMATION *info = buffer;
if (fstat( fd, &st ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
{
io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
}
else
{
ULONGLONG bsize;
/* Linux's fstatvfs is buggy */
#if !defined(linux) || !defined(HAVE_FSTATFS)
struct statvfs stfs;
if (fstatvfs( fd, &stfs ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
bsize = stfs.f_frsize;
#else
struct statfs stfs;
if (fstatfs( fd, &stfs ) < 0)
{
io->u.Status = FILE_GetNtStatus();
break;
}
bsize = stfs.f_bsize;
#endif
if (bsize == 2048) /* assume CD-ROM */
{
info->BytesPerSector = 2048;
info->SectorsPerAllocationUnit = 1;
}
else
{
info->BytesPerSector = 512;
info->SectorsPerAllocationUnit = 8;
}
info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
info->AvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
io->Information = sizeof(*info);
io->u.Status = STATUS_SUCCESS;
}
}
break;
case FileFsDeviceInformation:
if (length < sizeof(FILE_FS_DEVICE_INFORMATION))
io->u.Status = STATUS_BUFFER_TOO_SMALL;
else
{
FILE_FS_DEVICE_INFORMATION *info = buffer;
if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
io->Information = sizeof(*info);
}
break;
case FileFsAttributeInformation:
FIXME( "%p: attribute info not supported\n", handle );
break;
case FileFsControlInformation:
FIXME( "%p: control info not supported\n", handle );
break;
case FileFsFullSizeInformation:
FIXME( "%p: full size info not supported\n", handle );
break;
case FileFsObjectIdInformation:
FIXME( "%p: object id info not supported\n", handle );
break;
case FileFsMaximumInformation:
FIXME( "%p: maximum info not supported\n", handle );
break;
default:
io->u.Status = STATUS_INVALID_PARAMETER;
break;
}
if (needs_close) close( fd );
return io->u.Status;
}
/******************************************************************
* NtQueryEaFile (NTDLL.@)
*
* Read extended attributes from NTFS files.
*
* PARAMS
* hFile [I] File handle, must be opened with FILE_READ_EA access
* iosb [O] Receives information about the operation on return
* buffer [O] Output buffer
* length [I] Length of output buffer
* single_entry [I] Only read and return one entry
* ea_list [I] Optional list with names of EAs to return
* ea_list_len [I] Length of ea_list in bytes
* ea_index [I] Optional pointer to 1-based index of attribute to return
* restart [I] restart EA scan
*
* RETURNS
* Success: 0. Atrributes read into buffer
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtQueryEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length,
BOOLEAN single_entry, PVOID ea_list, ULONG ea_list_len,
PULONG ea_index, BOOLEAN restart )
{
FIXME("(%p,%p,%p,%d,%d,%p,%d,%p,%d) stub\n",
hFile, iosb, buffer, length, single_entry, ea_list,
ea_list_len, ea_index, restart);
return STATUS_ACCESS_DENIED;
}
/******************************************************************
* NtSetEaFile (NTDLL.@)
*
* Update extended attributes for NTFS files.
*
* PARAMS
* hFile [I] File handle, must be opened with FILE_READ_EA access
* iosb [O] Receives information about the operation on return
* buffer [I] Buffer with EA information
* length [I] Length of buffer
*
* RETURNS
* Success: 0. Attributes are updated
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtSetEaFile( HANDLE hFile, PIO_STATUS_BLOCK iosb, PVOID buffer, ULONG length )
{
FIXME("(%p,%p,%p,%d) stub\n", hFile, iosb, buffer, length);
return STATUS_ACCESS_DENIED;
}
/******************************************************************
* NtFlushBuffersFile (NTDLL.@)
*
* Flush any buffered data on an open file handle.
*
* PARAMS
* FileHandle [I] Handle returned from ZwOpenFile() or ZwCreateFile()
* IoStatusBlock [O] Receives information about the operation on return
*
* RETURNS
* Success: 0. IoStatusBlock is updated.
* Failure: An NTSTATUS error code describing the error.
*/
NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK* IoStatusBlock )
{
NTSTATUS ret;
HANDLE hEvent = NULL;
SERVER_START_REQ( flush_file )
{
req->handle = wine_server_obj_handle( hFile );
ret = wine_server_call( req );
hEvent = wine_server_ptr_handle( reply->event );
}
SERVER_END_REQ;
if (!ret && hEvent)
{
ret = NtWaitForSingleObject( hEvent, FALSE, NULL );
NtClose( hEvent );
}
return ret;
}
/******************************************************************
* NtLockFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
PIO_APC_ROUTINE apc, void* apc_user,
PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
BOOLEAN exclusive )
{
NTSTATUS ret;
HANDLE handle;
BOOLEAN async;
static BOOLEAN warn = TRUE;
if (apc || io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
if (apc_user && warn)
{
FIXME("I/O completion on lock not implemented yet\n");
warn = FALSE;
}
for (;;)
{
SERVER_START_REQ( lock_file )
{
req->handle = wine_server_obj_handle( hFile );
req->offset = offset->QuadPart;
req->count = count->QuadPart;
req->shared = !exclusive;
req->wait = !dont_wait;
ret = wine_server_call( req );
handle = wine_server_ptr_handle( reply->handle );
async = reply->overlapped;
}
SERVER_END_REQ;
if (ret != STATUS_PENDING)
{
if (!ret && lock_granted_event) NtSetEvent(lock_granted_event, NULL);
return ret;
}
if (async)
{
FIXME( "Async I/O lock wait not implemented, might deadlock\n" );
if (handle) NtClose( handle );
return STATUS_PENDING;
}
if (handle)
{
NtWaitForSingleObject( handle, FALSE, NULL );
NtClose( handle );
}
else
{
LARGE_INTEGER time;
/* Unix lock conflict, sleep a bit and retry */
time.QuadPart = 100 * (ULONGLONG)10000;
time.QuadPart = -time.QuadPart;
NtDelayExecution( FALSE, &time );
}
}
}
/******************************************************************
* NtUnlockFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
PLARGE_INTEGER offset, PLARGE_INTEGER count,
PULONG key )
{
NTSTATUS status;
TRACE( "%p %x%08x %x%08x\n",
hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
if (io_status || key)
{
FIXME("Unimplemented yet parameter\n");
return STATUS_NOT_IMPLEMENTED;
}
SERVER_START_REQ( unlock_file )
{
req->handle = wine_server_obj_handle( hFile );
req->offset = offset->QuadPart;
req->count = count->QuadPart;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
/******************************************************************
* NtCreateNamedPipeFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
ULONG sharing, ULONG dispo, ULONG options,
ULONG pipe_type, ULONG read_mode,
ULONG completion_mode, ULONG max_inst,
ULONG inbound_quota, ULONG outbound_quota,
PLARGE_INTEGER timeout)
{
NTSTATUS status;
TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
handle, access, debugstr_w(attr->ObjectName->Buffer), iosb, sharing, dispo,
options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
outbound_quota, timeout);
/* assume we only get relative timeout */
if (timeout->QuadPart > 0)
FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
SERVER_START_REQ( create_named_pipe )
{
req->access = access;
req->attributes = attr->Attributes;
req->rootdir = wine_server_obj_handle( attr->RootDirectory );
req->options = options;
req->flags =
(pipe_type) ? NAMED_PIPE_MESSAGE_STREAM_WRITE : 0 |
(read_mode) ? NAMED_PIPE_MESSAGE_STREAM_READ : 0 |
(completion_mode) ? NAMED_PIPE_NONBLOCKING_MODE : 0;
req->maxinstances = max_inst;
req->outsize = outbound_quota;
req->insize = inbound_quota;
req->timeout = timeout->QuadPart;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
status = wine_server_call( req );
if (!status) *handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
return status;
}
/******************************************************************
* NtDeleteFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
{
NTSTATUS status;
HANDLE hFile;
IO_STATUS_BLOCK io;
TRACE("%p\n", ObjectAttributes);
status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
ObjectAttributes, &io, NULL, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN, FILE_DELETE_ON_CLOSE, NULL, 0 );
if (status == STATUS_SUCCESS) status = NtClose(hFile);
return status;
}
/******************************************************************
* NtCancelIoFileEx (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
{
LARGE_INTEGER timeout;
TRACE("%p %p %p\n", hFile, iosb, io_status );
SERVER_START_REQ( cancel_async )
{
req->handle = wine_server_obj_handle( hFile );
req->iosb = wine_server_client_ptr( iosb );
req->only_thread = FALSE;
io_status->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
if (io_status->u.Status)
return io_status->u.Status;
/* Let some APC be run, so that we can run the remaining APCs on hFile
* either the cancelation of the pending one, but also the execution
* of the queued APC, but not yet run. This is needed to ensure proper
* clean-up of allocated data.
*/
timeout.u.LowPart = timeout.u.HighPart = 0;
NtDelayExecution( TRUE, &timeout );
return io_status->u.Status;
}
/******************************************************************
* NtCancelIoFile (NTDLL.@)
*
*
*/
NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
{
LARGE_INTEGER timeout;
TRACE("%p %p\n", hFile, io_status );
SERVER_START_REQ( cancel_async )
{
req->handle = wine_server_obj_handle( hFile );
req->iosb = 0;
req->only_thread = TRUE;
io_status->u.Status = wine_server_call( req );
}
SERVER_END_REQ;
if (io_status->u.Status)
return io_status->u.Status;
/* Let some APC be run, so that we can run the remaining APCs on hFile
* either the cancelation of the pending one, but also the execution
* of the queued APC, but not yet run. This is needed to ensure proper
* clean-up of allocated data.
*/
timeout.u.LowPart = timeout.u.HighPart = 0;
NtDelayExecution( TRUE, &timeout );
return io_status->u.Status;
}
/******************************************************************************
* NtCreateMailslotFile [NTDLL.@]
* ZwCreateMailslotFile [NTDLL.@]
*
* PARAMS
* pHandle [O] pointer to receive the handle created
* DesiredAccess [I] access mode (read, write, etc)
* ObjectAttributes [I] fully qualified NT path of the mailslot
* IoStatusBlock [O] receives completion status and other info
* CreateOptions [I]
* MailslotQuota [I]
* MaxMessageSize [I]
* TimeOut [I]
*
* RETURNS
* An NT status code
*/
NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK IoStatusBlock,
ULONG CreateOptions, ULONG MailslotQuota, ULONG MaxMessageSize,
PLARGE_INTEGER TimeOut)
{
LARGE_INTEGER timeout;
NTSTATUS ret;
TRACE("%p %08x %p %p %08x %08x %08x %p\n",
pHandle, DesiredAccess, attr, IoStatusBlock,
CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);
if (!pHandle) return STATUS_ACCESS_VIOLATION;
if (!attr) return STATUS_INVALID_PARAMETER;
if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
/*
* For a NULL TimeOut pointer set the default timeout value
*/
if (!TimeOut)
timeout.QuadPart = -1;
else
timeout.QuadPart = TimeOut->QuadPart;
SERVER_START_REQ( create_mailslot )
{
req->access = DesiredAccess;
req->attributes = attr->Attributes;
req->rootdir = wine_server_obj_handle( attr->RootDirectory );
req->max_msgsize = MaxMessageSize;
req->read_timeout = timeout.QuadPart;
wine_server_add_data( req, attr->ObjectName->Buffer,
attr->ObjectName->Length );
ret = wine_server_call( req );
if( ret == STATUS_SUCCESS )
*pHandle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
return ret;
}
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