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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
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include "config.h"
#include "wine/port.h"

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#include <stdlib.h>
#include <string.h>
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#include <stdio.h>
#include <errno.h>
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#include <assert.h>
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#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
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#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
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#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
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#ifdef HAVE_SYS_SYSCALL_H
# include <sys/syscall.h>
#endif
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#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
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#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
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#ifdef HAVE_SYS_FILIO_H
# include <sys/filio.h>
#endif
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#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
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#ifdef MAJOR_IN_MKDEV
# include <sys/mkdev.h>
#elif defined(MAJOR_IN_SYSMACROS)
# include <sys/sysmacros.h>
#endif
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#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
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#ifdef HAVE_SYS_VFS_H
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/* Work around a conflict with Solaris' system list defined in sys/list.h. */
#define list SYSLIST
#define list_next SYSLIST_NEXT
#define list_prev SYSLIST_PREV
#define list_head SYSLIST_HEAD
#define list_tail SYSLIST_TAIL
#define list_move_tail SYSLIST_MOVE_TAIL
#define list_remove SYSLIST_REMOVE
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# include <sys/vfs.h>
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#undef list
#undef list_next
#undef list_prev
#undef list_head
#undef list_tail
#undef list_move_tail
#undef list_remove
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#endif
#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
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#endif
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#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
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#ifdef HAVE_VALGRIND_MEMCHECK_H
# include <valgrind/memcheck.h>
#endif
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#include "ntstatus.h"
#define WIN32_NO_STATUS
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#define NONAMELESSUNION
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "ntdll_misc.h"
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#include "winternl.h"
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#include "winioctl.h"
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#include "ddk/ntddk.h"
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#include "ddk/ntddser.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
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WINE_DECLARE_DEBUG_CHANNEL(winediag);
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mode_t FILE_umask = 0;

#define SECSPERDAY         86400
#define SECS_1601_TO_1970  ((369 * 365 + 89) * (ULONGLONG)SECSPERDAY)

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#define FILE_WRITE_TO_END_OF_FILE      ((LONGLONG)-1)
#define FILE_USE_FILE_POINTER_POSITION ((LONGLONG)-2)

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static const WCHAR ntfsW[] = {'N','T','F','S'};
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/* fetch the attributes of a file */
static inline ULONG get_file_attributes( const struct stat *st )
{
    ULONG attr;

    if (S_ISDIR(st->st_mode))
        attr = FILE_ATTRIBUTE_DIRECTORY;
    else
        attr = FILE_ATTRIBUTE_ARCHIVE;
    if (!(st->st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
        attr |= FILE_ATTRIBUTE_READONLY;
    return attr;
}

/* get the stat info and file attributes for a file (by file descriptor) */
int fd_get_file_info( int fd, struct stat *st, ULONG *attr )
{
    int ret;

    *attr = 0;
    ret = fstat( fd, st );
    if (ret == -1) return ret;
    *attr |= get_file_attributes( st );
    return ret;
}

/* get the stat info and file attributes for a file (by name) */
int get_file_info( const char *path, struct stat *st, ULONG *attr )
{
    int ret;

    *attr = 0;
    ret = lstat( path, st );
    if (ret == -1) return ret;
    if (S_ISLNK( st->st_mode ))
    {
        ret = stat( path, st );
        if (ret == -1) return ret;
        /* is a symbolic link and a directory, consider these "reparse points" */
        if (S_ISDIR( st->st_mode )) *attr |= FILE_ATTRIBUTE_REPARSE_POINT;
    }
    *attr |= get_file_attributes( st );
    return ret;
}

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/**************************************************************************
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 *                 FILE_CreateFile                    (internal)
 * Open a file.
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 *
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 * Parameter set fully identical with NtCreateFile
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 */
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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 )
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{
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    ANSI_STRING unix_name;
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    BOOL created = FALSE;
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    TRACE("handle=%p access=%08x name=%s objattr=%08x root=%p sec=%p io=%p alloc_size=%p "
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          "attr=%08x sharing=%08x disp=%d options=%08x ea=%p.0x%08x\n",
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          handle, access, debugstr_us(attr->ObjectName), attr->Attributes,
          attr->RootDirectory, attr->SecurityDescriptor, io, alloc_size,
          attributes, sharing, disposition, options, ea_buffer, ea_length );

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    if (!attr || !attr->ObjectName) return STATUS_INVALID_PARAMETER;

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    if (alloc_size) FIXME( "alloc_size not supported\n" );

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    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)
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    {
        SERVER_START_REQ( open_file_object )
        {
            req->access     = access;
            req->attributes = attr->Attributes;
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            req->rootdir    = wine_server_obj_handle( attr->RootDirectory );
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            req->sharing    = sharing;
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            req->options    = options;
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            wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
            io->u.Status = wine_server_call( req );
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            *handle = wine_server_ptr_handle( reply->handle );
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        }
        SERVER_END_REQ;
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        if (io->u.Status == STATUS_SUCCESS) io->Information = FILE_OPENED;
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        return io->u.Status;
    }

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    if (io->u.Status == STATUS_NO_SUCH_FILE &&
        disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
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    {
        created = TRUE;
        io->u.Status = STATUS_SUCCESS;
    }

    if (io->u.Status == STATUS_SUCCESS)
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    {
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        static UNICODE_STRING empty_string;
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        OBJECT_ATTRIBUTES unix_attr = *attr;
        data_size_t len;
        struct object_attributes *objattr;
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        unix_attr.ObjectName = &empty_string;  /* we send the unix name instead */
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        if ((io->u.Status = alloc_object_attributes( &unix_attr, &objattr, &len )))
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        {
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            RtlFreeAnsiString( &unix_name );
            return io->u.Status;
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        }

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        SERVER_START_REQ( create_file )
        {
            req->access     = access;
            req->sharing    = sharing;
            req->create     = disposition;
            req->options    = options;
            req->attrs      = attributes;
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            wine_server_add_data( req, objattr, len );
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            wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
            io->u.Status = wine_server_call( req );
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            *handle = wine_server_ptr_handle( reply->handle );
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        }
        SERVER_END_REQ;
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        RtlFreeHeap( GetProcessHeap(), 0, objattr );
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        RtlFreeAnsiString( &unix_name );
    }
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    else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), io->u.Status );
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    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;
        }
    }
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    else if (io->u.Status == STATUS_TOO_MANY_OPENED_FILES)
    {
        static int once;
        if (!once++) ERR_(winediag)( "Too many open files, ulimit -n probably needs to be increased\n" );
    }
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    return io->u.Status;
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}

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/**************************************************************************
 *                 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 );
}

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/***********************************************************************
 *                  Asynchronous file I/O                              *
 */

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typedef NTSTATUS async_callback_t( void *user, IO_STATUS_BLOCK *io, NTSTATUS status );
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struct async_fileio
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{
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    async_callback_t    *callback; /* must be the first field */
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    struct async_fileio *next;
    HANDLE               handle;
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};

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struct async_fileio_read
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{
    struct async_fileio io;
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    char*               buffer;
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    unsigned int        already;
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    unsigned int        count;
    BOOL                avail_mode;
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};
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struct async_fileio_write
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{
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    struct async_fileio io;
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    const char         *buffer;
    unsigned int        already;
    unsigned int        count;
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};
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struct async_irp
{
    struct async_fileio io;
    void               *buffer;   /* buffer for output */
    ULONG               size;     /* size of buffer */
};

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static struct async_fileio *fileio_freelist;

static void release_fileio( struct async_fileio *io )
{
    for (;;)
    {
        struct async_fileio *next = fileio_freelist;
        io->next = next;
        if (interlocked_cmpxchg_ptr( (void **)&fileio_freelist, io, next ) == next) return;
    }
}

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static struct async_fileio *alloc_fileio( DWORD size, async_callback_t callback, HANDLE handle )
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{
    /* first free remaining previous fileinfos */

    struct async_fileio *io = interlocked_xchg_ptr( (void **)&fileio_freelist, NULL );

    while (io)
    {
        struct async_fileio *next = io->next;
        RtlFreeHeap( GetProcessHeap(), 0, io );
        io = next;
    }

    if ((io = RtlAllocateHeap( GetProcessHeap(), 0, size )))
    {
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        io->callback = callback;
        io->handle   = handle;
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    }
    return io;
}
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static async_data_t server_async( HANDLE handle, struct async_fileio *user, HANDLE event,
                                  PIO_APC_ROUTINE apc, void *apc_context, IO_STATUS_BLOCK *io )
{
    async_data_t async;
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    async.handle      = wine_server_obj_handle( handle );
    async.user        = wine_server_client_ptr( user );
    async.iosb        = wine_server_client_ptr( io );
    async.event       = wine_server_obj_handle( event );
    async.apc         = wine_server_client_ptr( apc );
    async.apc_context = wine_server_client_ptr( apc_context );
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    return async;
}

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static NTSTATUS wait_async( HANDLE handle, BOOL alertable, IO_STATUS_BLOCK *io )
{
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    if (NtWaitForSingleObject( handle, alertable, NULL )) return STATUS_PENDING;
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    return io->u.Status;
}

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/* callback for irp async I/O completion */
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static NTSTATUS irp_completion( void *user, IO_STATUS_BLOCK *io, NTSTATUS status )
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{
    struct async_irp *async = user;
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    ULONG information = 0;
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    if (status == STATUS_ALERTED)
    {
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        SERVER_START_REQ( get_async_result )
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        {
            req->user_arg = wine_server_client_ptr( async );
            wine_server_set_reply( req, async->buffer, async->size );
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            status = virtual_locked_server_call( req );
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            information = reply->size;
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        }
        SERVER_END_REQ;
    }
    if (status != STATUS_PENDING)
    {
        io->u.Status = status;
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        io->Information = information;
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        release_fileio( &async->io );
    }
    return status;
}

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/***********************************************************************
 *           FILE_GetNtStatus(void)
 *
 * Retrieve the Nt Status code from errno.
 * Try to be consistent with FILE_SetDosError().
 */
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NTSTATUS FILE_GetNtStatus(void)
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{
    int err = errno;

    TRACE( "errno = %d\n", errno );
    switch (err)
    {
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    case EAGAIN:    return STATUS_SHARING_VIOLATION;
    case EBADF:     return STATUS_INVALID_HANDLE;
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    case EBUSY:     return STATUS_DEVICE_BUSY;
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    case ENOSPC:    return STATUS_DISK_FULL;
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    case EPERM:
    case EROFS:
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    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;
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    case EMFILE:
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    case ENFILE:    return STATUS_TOO_MANY_OPENED_FILES;
    case EINVAL:    return STATUS_INVALID_PARAMETER;
    case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
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    case EPIPE:     return STATUS_PIPE_DISCONNECTED;
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    case EIO:       return STATUS_DEVICE_NOT_READY;
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#ifdef ENOMEDIUM
    case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;
#endif
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    case ENXIO:     return STATUS_NO_SUCH_DEVICE;
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    case ENOTTY:
    case EOPNOTSUPP:return STATUS_NOT_SUPPORTED;
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    case ECONNRESET:return STATUS_PIPE_DISCONNECTED;
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    case EFAULT:    return STATUS_ACCESS_VIOLATION;
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    case ESPIPE:    return STATUS_ILLEGAL_FUNCTION;
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#ifdef ETIME /* Missing on FreeBSD */
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    case ETIME:     return STATUS_IO_TIMEOUT;
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#endif
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    case ENOEXEC:   /* ?? */
    case EEXIST:    /* ?? */
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    default:
        FIXME( "Converting errno %d to STATUS_UNSUCCESSFUL\n", err );
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        return STATUS_UNSUCCESSFUL;
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    }
}

/***********************************************************************
 *             FILE_AsyncReadService      (INTERNAL)
 */
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static NTSTATUS FILE_AsyncReadService( void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status )
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{
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    struct async_fileio_read *fileio = user;
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    int fd, needs_close, result;
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    switch (status)
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    {
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    case STATUS_ALERTED: /* got some new data */
        /* check to see if the data is ready (non-blocking) */
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        if ((status = server_get_unix_fd( fileio->io.handle, FILE_READ_DATA, &fd,
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                                          &needs_close, NULL, NULL )))
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            break;
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        result = virtual_locked_read(fd, &fileio->buffer[fileio->already], fileio->count-fileio->already);
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        if (needs_close) close( fd );
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        if (result < 0)
        {
            if (errno == EAGAIN || errno == EINTR)
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                status = STATUS_PENDING;
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            else /* check to see if the transfer is complete */
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                status = FILE_GetNtStatus();
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        }
        else if (result == 0)
        {
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            status = fileio->already ? STATUS_SUCCESS : STATUS_PIPE_BROKEN;
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        }
        else
        {
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            fileio->already += result;
            if (fileio->already >= fileio->count || fileio->avail_mode)
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                status = STATUS_SUCCESS;
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            else
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                status = STATUS_PENDING;
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        }
        break;
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    case STATUS_TIMEOUT:
    case STATUS_IO_TIMEOUT:
        if (fileio->already) status = STATUS_SUCCESS;
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        break;
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    }
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    if (status != STATUS_PENDING)
    {
        iosb->u.Status = status;
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        iosb->Information = fileio->already;
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        release_fileio( &fileio->io );
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    }
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    return status;
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}

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/* do a read call through the server */
static NTSTATUS server_read_file( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
                                  IO_STATUS_BLOCK *io, void *buffer, ULONG size,
                                  LARGE_INTEGER *offset, ULONG *key )
{
    struct async_irp *async;
    NTSTATUS status;
    HANDLE wait_handle;
    ULONG options;

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    if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
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        return STATUS_NO_MEMORY;

    async->buffer  = buffer;
    async->size    = size;

    SERVER_START_REQ( read )
    {
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        req->async = server_async( handle, &async->io, event, apc, apc_context, io );
        req->pos   = offset ? offset->QuadPart : 0;
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        wine_server_set_reply( req, buffer, size );
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        status = virtual_locked_server_call( req );
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        wait_handle = wine_server_ptr_handle( reply->wait );
        options     = reply->options;
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        if (wait_handle && status != STATUS_PENDING)
        {
            io->u.Status    = status;
            io->Information = wine_server_reply_size( reply );
        }
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    }
    SERVER_END_REQ;

    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

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    if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), io );
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    return status;
}

/* do a write call through the server */
static NTSTATUS server_write_file( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc_context,
                                   IO_STATUS_BLOCK *io, const void *buffer, ULONG size,
                                   LARGE_INTEGER *offset, ULONG *key )
{
    struct async_irp *async;
    NTSTATUS status;
    HANDLE wait_handle;
    ULONG options;

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    if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
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        return STATUS_NO_MEMORY;

    async->buffer  = NULL;
    async->size    = 0;

    SERVER_START_REQ( write )
    {
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        req->async = server_async( handle, &async->io, event, apc, apc_context, io );
        req->pos   = offset ? offset->QuadPart : 0;
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        wine_server_add_data( req, buffer, size );
        status = wine_server_call( req );
        wait_handle = wine_server_ptr_handle( reply->wait );
        options     = reply->options;
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        if (wait_handle && status != STATUS_PENDING)
        {
            io->u.Status    = status;
            io->Information = reply->size;
        }
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    }
    SERVER_END_REQ;

    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

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    if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), io );
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    return status;
}

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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)
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                    timeouts->interval = timeouts->total = 0;
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            }
            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 )
            {
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                req->handle = wine_server_obj_handle( handle );
698
                req->flags = 0;
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                if (!(status = wine_server_call( req )) &&
                    reply->read_timeout != TIMEOUT_INFINITE)
                    timeouts->total = reply->read_timeout / -10000;
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            }
            SERVER_END_REQ;
        }
        break;
    case FD_TYPE_SOCKET:
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    case FD_TYPE_CHAR:
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        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 */
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static inline int get_next_io_timeout( const struct io_timeouts *timeouts, ULONG already )
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{
    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;
}

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/* 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:
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    case FD_TYPE_CHAR:
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        *avail_mode = TRUE;
        break;
    default:
        *avail_mode = FALSE;
        break;
    }
    return status;
}

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/* register an async I/O for a file read; helper for NtReadFile */
static NTSTATUS register_async_file_read( HANDLE handle, HANDLE event,
                                          PIO_APC_ROUTINE apc, void *apc_user,
                                          IO_STATUS_BLOCK *iosb, void *buffer,
                                          ULONG already, ULONG length, BOOL avail_mode )
{
    struct async_fileio_read *fileio;
    NTSTATUS status;

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    if (!(fileio = (struct async_fileio_read *)alloc_fileio( sizeof(*fileio), FILE_AsyncReadService, handle )))
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        return STATUS_NO_MEMORY;

    fileio->already = already;
    fileio->count = length;
    fileio->buffer = buffer;
    fileio->avail_mode = avail_mode;

    SERVER_START_REQ( register_async )
    {
        req->type   = ASYNC_TYPE_READ;
        req->count  = length;
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        req->async  = server_async( handle, &fileio->io, event, apc, apc_user, iosb );
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        status = wine_server_call( req );
    }
    SERVER_END_REQ;

    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
    return status;
}

799

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/******************************************************************************
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 *  NtReadFile					[NTDLL.@]
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Patrik Stridvall committed
802
 *  ZwReadFile					[NTDLL.@]
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803
 *
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 * Read from an open file handle.
805
 *
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 * 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.
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 */
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NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
                           PIO_APC_ROUTINE apc, void* apc_user,
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                           PIO_STATUS_BLOCK io_status, void* buffer, ULONG length,
                           PLARGE_INTEGER offset, PULONG key)
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{
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    int result, unix_handle, needs_close;
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    unsigned int options;
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    struct io_timeouts timeouts;
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    NTSTATUS status, ret_status;
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    ULONG total = 0;
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    enum server_fd_type type;
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    ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
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    BOOL send_completion = FALSE, async_read, timeout_init_done = FALSE;
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    TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)\n",
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          hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);

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    if (!io_status) return STATUS_ACCESS_VIOLATION;

841
    status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
842
                                 &needs_close, &type, &options );
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    if (status && status != STATUS_BAD_DEVICE_TYPE) return status;

    if (!virtual_check_buffer_for_write( buffer, length )) return STATUS_ACCESS_VIOLATION;

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    if (status == STATUS_BAD_DEVICE_TYPE)
        return server_read_file( hFile, hEvent, apc, apc_user, io_status, buffer, length, offset, key );

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    async_read = !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));

852
    if (type == FD_TYPE_FILE)
853
    {
854
        if (async_read && (!offset || offset->QuadPart < 0))
855
        {
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            status = STATUS_INVALID_PARAMETER;
            goto done;
        }

860
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
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        {
            /* async I/O doesn't make sense on regular files */
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            while ((result = virtual_locked_pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
864
            {
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                if (errno != EINTR)
                {
                    status = FILE_GetNtStatus();
                    goto done;
                }
870
            }
871
            if (!async_read)
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                /* update file pointer position */
                lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
874

875
            total = result;
876
            status = (total || !length) ? STATUS_SUCCESS : STATUS_END_OF_FILE;
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            goto done;
        }
879
    }
880
    else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
881
    {
882
        if (async_read && (!offset || offset->QuadPart < 0))
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        {
            status = STATUS_INVALID_PARAMETER;
            goto done;
        }
    }
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    if (type == FD_TYPE_SERIAL && async_read && length)
    {
        /* an asynchronous serial port read with a read interval timeout needs to
           skip the synchronous read to make sure that the server starts the read
           interval timer after the first read */
        if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts ))) goto err;
        if (timeouts.interval)
        {
            status = register_async_file_read( hFile, hEvent, apc, apc_user, io_status,
                                               buffer, total, length, FALSE );
            goto err;
        }
    }

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    for (;;)
    {
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        if ((result = virtual_locked_read( unix_handle, (char *)buffer + total, length - total )) >= 0)
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        {
            total += result;
            if (!result || total == length)
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            {
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                if (total)
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                {
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                    status = STATUS_SUCCESS;
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                    goto done;
                }
                switch (type)
                {
                case FD_TYPE_FILE:
                case FD_TYPE_CHAR:
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                case FD_TYPE_DEVICE:
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                    status = length ? STATUS_END_OF_FILE : STATUS_SUCCESS;
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                    goto done;
                case FD_TYPE_SERIAL:
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                    if (!length)
                    {
                        status = STATUS_SUCCESS;
                        goto done;
                    }
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                    break;
                default:
                    status = STATUS_PIPE_BROKEN;
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                    goto err;
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                }
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            }
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            else if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
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        }
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        else if (errno != EAGAIN)
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        {
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            if (errno == EINTR) continue;
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            if (!total) status = FILE_GetNtStatus();
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            goto err;
941
        }
942

943
        if (async_read)
944
        {
945
            BOOL avail_mode;
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946

947
            if ((status = get_io_avail_mode( hFile, type, &avail_mode )))
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                goto err;
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            if (total && avail_mode)
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            {
                status = STATUS_SUCCESS;
                goto done;
            }
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            status = register_async_file_read( hFile, hEvent, apc, apc_user, io_status,
                                               buffer, total, length, avail_mode );
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            goto err;
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        }
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        else  /* synchronous read, wait for the fd to become ready */
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        {
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            struct pollfd pfd;
            int ret, timeout;

            if (!timeout_init_done)
            {
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                timeout_init_done = TRUE;
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                if ((status = get_io_timeouts( hFile, type, length, TRUE, &timeouts )))
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                    goto err;
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                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 */
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        }
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    }
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992
done:
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    send_completion = cvalue != 0;
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err:
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    if (needs_close) close( unix_handle );
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    if (status == STATUS_SUCCESS || (status == STATUS_END_OF_FILE && !async_read))
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    {
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        io_status->u.Status = status;
        io_status->Information = total;
        TRACE("= SUCCESS (%u)\n", total);
        if (hEvent) NtSetEvent( hEvent, NULL );
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        if (apc && !status) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
                                              (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
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    }
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    else
1007
    {
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        TRACE("= 0x%08x\n", status);
        if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
1010
    }
1011

1012
    ret_status = async_read && type == FD_TYPE_FILE && status == STATUS_SUCCESS
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            ? STATUS_PENDING : status;

    if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total, ret_status == STATUS_PENDING );
    return ret_status;
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}
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/******************************************************************************
 *  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 )
{
    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;
1034
    BOOL send_completion = FALSE;
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    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 (!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)
    {
1055
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
1056
            result = pread( unix_handle, (char *)segments->Buffer + pos,
1057
                            min( length - pos, page_size - pos ), offset->QuadPart + total );
1058
        else
1059
            result = read( unix_handle, (char *)segments->Buffer + pos, min( length - pos, page_size - pos ) );
1060 1061 1062 1063 1064 1065 1066

        if (result == -1)
        {
            if (errno == EINTR) continue;
            status = FILE_GetNtStatus();
            break;
        }
1067
        if (!result) break;
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        total += result;
        length -= result;
        if ((pos += result) == page_size)
        {
            pos = 0;
            segments++;
        }
    }

1077 1078
    if (total == 0) status = STATUS_END_OF_FILE;

1079
    send_completion = cvalue != 0;
1080 1081

    if (needs_close) close( unix_handle );
1082

1083 1084 1085 1086 1087 1088
    io_status->u.Status = status;
    io_status->Information = total;
    TRACE("= 0x%08x (%u)\n", status, total);
    if (event) NtSetEvent( event, NULL );
    if (apc) NtQueueApcThread( GetCurrentThread(), (PNTAPCFUNC)apc,
                               (ULONG_PTR)apc_user, (ULONG_PTR)io_status, 0 );
1089
    if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total, TRUE );
1090

1091 1092 1093 1094 1095 1096 1097 1098
    return STATUS_PENDING;

error:
    if (needs_close) close( unix_handle );

    TRACE("= 0x%08x\n", status);
    if (event) NtResetEvent( event, NULL );

1099 1100 1101 1102
    return status;
}


1103 1104 1105
/***********************************************************************
 *             FILE_AsyncWriteService      (INTERNAL)
 */
1106
static NTSTATUS FILE_AsyncWriteService( void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status )
1107
{
1108
    struct async_fileio_write *fileio = user;
1109
    int result, fd, needs_close;
1110
    enum server_fd_type type;
1111

1112
    switch (status)
1113
    {
1114 1115
    case STATUS_ALERTED:
        /* write some data (non-blocking) */
1116
        if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
1117
                                          &needs_close, &type, NULL )))
1118
            break;
1119

1120
        if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_SOCKET))
1121 1122 1123 1124
            result = send( fd, fileio->buffer, 0, 0 );
        else
            result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );

1125
        if (needs_close) close( fd );
1126

1127 1128
        if (result < 0)
        {
1129 1130
            if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
            else status = FILE_GetNtStatus();
1131 1132 1133
        }
        else
        {
1134 1135
            fileio->already += result;
            status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
1136 1137
        }
        break;
1138 1139 1140 1141

    case STATUS_TIMEOUT:
    case STATUS_IO_TIMEOUT:
        if (fileio->already) status = STATUS_SUCCESS;
1142
        break;
1143
    }
1144 1145 1146
    if (status != STATUS_PENDING)
    {
        iosb->u.Status = status;
1147
        iosb->Information = fileio->already;
1148
        release_fileio( &fileio->io );
1149
    }
1150
    return status;
1151 1152
}

1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166
static NTSTATUS set_pending_write( HANDLE device )
{
    NTSTATUS status;

    SERVER_START_REQ( set_serial_info )
    {
        req->handle = wine_server_obj_handle( device );
        req->flags  = SERIALINFO_PENDING_WRITE;
        status = wine_server_call( req );
    }
    SERVER_END_REQ;
    return status;
}

1167 1168 1169 1170
/******************************************************************************
 *  NtWriteFile					[NTDLL.@]
 *  ZwWriteFile					[NTDLL.@]
 *
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 * 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.
1188
 */
1189 1190 1191 1192 1193
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)
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1194
{
1195
    int result, unix_handle, needs_close;
1196
    unsigned int options;
1197
    struct io_timeouts timeouts;
1198
    NTSTATUS status, ret_status;
1199
    ULONG total = 0;
1200
    enum server_fd_type type;
1201
    ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1202
    BOOL send_completion = FALSE, async_write, append_write = FALSE, timeout_init_done = FALSE;
1203
    LARGE_INTEGER offset_eof;
1204

1205
    TRACE("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%p)\n",
1206 1207
          hFile,hEvent,apc,apc_user,io_status,buffer,length,offset,key);

1208 1209
    if (!io_status) return STATUS_ACCESS_VIOLATION;

1210
    status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
1211
                                 &needs_close, &type, &options );
1212 1213 1214 1215 1216 1217
    if (status == STATUS_ACCESS_DENIED)
    {
        status = server_get_unix_fd( hFile, FILE_APPEND_DATA, &unix_handle,
                                     &needs_close, &type, &options );
        append_write = TRUE;
    }
1218
    if (status && status != STATUS_BAD_DEVICE_TYPE) return status;
1219

1220 1221
    async_write = !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));

1222 1223 1224 1225 1226 1227
    if (!virtual_check_buffer_for_read( buffer, length ))
    {
        status = STATUS_INVALID_USER_BUFFER;
        goto done;
    }

1228 1229 1230
    if (status == STATUS_BAD_DEVICE_TYPE)
        return server_write_file( hFile, hEvent, apc, apc_user, io_status, buffer, length, offset, key );

1231
    if (type == FD_TYPE_FILE)
1232
    {
1233
        if (async_write &&
1234
            (!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
1235
        {
1236 1237 1238 1239
            status = STATUS_INVALID_PARAMETER;
            goto done;
        }

1240 1241
        if (append_write)
        {
1242
            offset_eof.QuadPart = FILE_WRITE_TO_END_OF_FILE;
1243 1244 1245
            offset = &offset_eof;
        }

1246
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
1247
        {
1248 1249
            off_t off = offset->QuadPart;

1250
            if (offset->QuadPart == FILE_WRITE_TO_END_OF_FILE)
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            {
                struct stat st;

                if (fstat( unix_handle, &st ) == -1)
                {
                    status = FILE_GetNtStatus();
                    goto done;
                }
                off = st.st_size;
            }
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            else if (offset->QuadPart < 0)
            {
                status = STATUS_INVALID_PARAMETER;
                goto done;
            }
1266

1267
            /* async I/O doesn't make sense on regular files */
1268
            while ((result = pwrite( unix_handle, buffer, length, off )) == -1)
1269
            {
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                if (errno != EINTR)
                {
                    if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
                    else status = FILE_GetNtStatus();
                    goto done;
                }
1276
            }
1277

1278
            if (!async_write)
1279
                /* update file pointer position */
1280
                lseek( unix_handle, off + result, SEEK_SET );
1281

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            total = result;
            status = STATUS_SUCCESS;
            goto done;
        }
1286
    }
1287
    else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
1288
    {
1289
        if (async_write &&
1290
            (!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
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        {
            status = STATUS_INVALID_PARAMETER;
            goto done;
        }
    }
1296 1297 1298

    for (;;)
    {
1299
        /* zero-length writes on sockets may not work with plain write(2) */
1300
        if (!length && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_SOCKET))
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            result = send( unix_handle, buffer, 0, 0 );
        else
            result = write( unix_handle, (const char *)buffer + total, length - total );

        if (result >= 0)
1306 1307 1308
        {
            total += result;
            if (total == length)
1309
            {
1310
                status = STATUS_SUCCESS;
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                goto done;
            }
1313
            if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
1314
        }
1315
        else if (errno != EAGAIN)
1316
        {
1317
            if (errno == EINTR) continue;
1318
            if (!total)
1319
            {
1320 1321
                if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
                else status = FILE_GetNtStatus();
1322
            }
1323
            goto err;
1324
        }
1325

1326
        if (async_write)
1327
        {
1328
            struct async_fileio_write *fileio;
1329

1330
            fileio = (struct async_fileio_write *)alloc_fileio( sizeof(*fileio), FILE_AsyncWriteService, hFile );
1331
            if (!fileio)
1332 1333
            {
                status = STATUS_NO_MEMORY;
1334
                goto err;
1335 1336 1337
            }
            fileio->already = total;
            fileio->count = length;
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            fileio->buffer = buffer;

            SERVER_START_REQ( register_async )
            {
                req->type   = ASYNC_TYPE_WRITE;
                req->count  = length;
1344
                req->async  = server_async( hFile, &fileio->io, hEvent, apc, apc_user, io_status );
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                status = wine_server_call( req );
            }
            SERVER_END_REQ;

            if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1350
            goto err;
1351
        }
1352
        else  /* synchronous write, wait for the fd to become ready */
1353
        {
1354 1355 1356 1357 1358
            struct pollfd pfd;
            int ret, timeout;

            if (!timeout_init_done)
            {
1359
                timeout_init_done = TRUE;
1360
                if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1361
                    goto err;
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                if (hEvent) NtResetEvent( hEvent, NULL );
            }
            timeout = get_next_io_timeout( &timeouts, total );

            pfd.fd = unix_handle;
1367
            pfd.events = POLLOUT;
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            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 */
1381
        }
1382 1383
    }

1384
done:
1385
    send_completion = cvalue != 0;
1386 1387

err:
1388
    if (needs_close) close( unix_handle );
1389 1390 1391 1392

    if (type == FD_TYPE_SERIAL && (status == STATUS_SUCCESS || status == STATUS_PENDING))
        set_pending_write( hFile );

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    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 );
    }
1407

1408 1409
    ret_status = async_write && type == FD_TYPE_FILE && status == STATUS_SUCCESS ? STATUS_PENDING : status;
    if (send_completion) NTDLL_AddCompletion( hFile, cvalue, status, total, ret_status == STATUS_PENDING );
1410

1411
    return ret_status;
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}

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/******************************************************************************
 *  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 )
{
    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;
1429
    BOOL send_completion = FALSE;
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    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)
    {
1451
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
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            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++;
        }
    }

1482
    send_completion = cvalue != 0;
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 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 );
    }
1500

1501
    if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total, FALSE );
1502

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    return status;
}


1507
/* do an ioctl call through the server */
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static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
                                   PIO_APC_ROUTINE apc, PVOID apc_context,
                                   IO_STATUS_BLOCK *io, ULONG code,
1511
                                   const void *in_buffer, ULONG in_size,
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                                   PVOID out_buffer, ULONG out_size )
{
1514
    struct async_irp *async;
1515
    NTSTATUS status;
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    HANDLE wait_handle;
    ULONG options;
1518

1519
    if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
1520
        return STATUS_NO_MEMORY;
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    async->buffer  = out_buffer;
    async->size    = out_size;
1523

1524 1525
    SERVER_START_REQ( ioctl )
    {
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        req->code  = code;
        req->async = server_async( handle, &async->io, event, apc, apc_context, io );
1528
        wine_server_add_data( req, in_buffer, in_size );
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        if ((code & 3) != METHOD_BUFFERED)
            wine_server_add_data( req, out_buffer, out_size );
1531
        wine_server_set_reply( req, out_buffer, out_size );
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        status = virtual_locked_server_call( req );
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        wait_handle = wine_server_ptr_handle( reply->wait );
1534
        options     = reply->options;
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        if (wait_handle && status != STATUS_PENDING)
        {
            io->u.Status    = status;
            io->Information = wine_server_reply_size( reply );
        }
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    }
    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);

1547 1548
    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

1549
    if (wait_handle) status = wait_async( wait_handle, (options & FILE_SYNCHRONOUS_IO_ALERT), io );
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    return status;
}

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/* 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 { \
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        if (FIELD_OFFSET(t, f1) + sizeof(((t *)0)->f1) < FIELD_OFFSET(t, f2)) \
            if ((size) >= 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)); \
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    } while (0)

    switch (code)
    {
    case FSCTL_PIPE_WAIT:
        IGNORE_STRUCT_HOLE(in_buffer, in_size, FILE_PIPE_WAIT_FOR_BUFFER, TimeoutSpecified, Name);
        break;
    }
#endif
}

1577

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/**************************************************************************
1579
 *		NtDeviceIoControlFile			[NTDLL.@]
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 *		ZwDeviceIoControlFile			[NTDLL.@]
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 *
 * Perform an I/O control operation on an open file handle.
 *
 * PARAMS
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 *  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
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 *
 * RETURNS
 *  Success: 0. IoStatusBlock is updated.
 *  Failure: An NTSTATUS error code describing the error.
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 */
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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)
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{
1606
    ULONG device = (code >> 16);
1607
    NTSTATUS status = STATUS_NOT_SUPPORTED;
1608

1609
    TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
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          handle, event, apc, apc_context, io, code,
          in_buffer, in_size, out_buffer, out_size);

    switch(device)
1614
    {
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    case FILE_DEVICE_DISK:
    case FILE_DEVICE_CD_ROM:
    case FILE_DEVICE_DVD:
    case FILE_DEVICE_CONTROLLER:
    case FILE_DEVICE_MASS_STORAGE:
1620 1621
        status = CDROM_DeviceIoControl(handle, event, apc, apc_context, io, code,
                                       in_buffer, in_size, out_buffer, out_size);
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        break;
    case FILE_DEVICE_SERIAL_PORT:
1624 1625
        status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
                                      in_buffer, in_size, out_buffer, out_size);
1626
        break;
1627
    case FILE_DEVICE_TAPE:
1628 1629
        status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
                                      in_buffer, in_size, out_buffer, out_size);
1630
        break;
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    }

1633
    if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1634 1635
        return server_ioctl_file( handle, event, apc, apc_context, io, code,
                                  in_buffer, in_size, out_buffer, out_size );
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1637 1638
    if (status != STATUS_PENDING) io->u.Status = status;
    return status;
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}

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/**************************************************************************
 *              NtFsControlFile                 [NTDLL.@]
 *              ZwFsControlFile                 [NTDLL.@]
 *
 * Perform a file system control operation on an open file handle.
 *
 * PARAMS
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 *  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
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 *
 * RETURNS
 *  Success: 0. IoStatusBlock is updated.
 *  Failure: An NTSTATUS error code describing the error.
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 */
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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)
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{
1668 1669
    NTSTATUS status;

1670
    TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1671 1672
          handle, event, apc, apc_context, io, code,
          in_buffer, in_size, out_buffer, out_size);
1673

1674
    if (!io) return STATUS_INVALID_PARAMETER;
1675

1676 1677
    ignore_server_ioctl_struct_holes( code, in_buffer, in_size );

1678
    switch(code)
1679
    {
1680
    case FSCTL_DISMOUNT_VOLUME:
1681 1682 1683
        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 );
1684
        return status;
1685

1686
    case FSCTL_PIPE_IMPERSONATE:
1687
        FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1688 1689 1690
        status = RtlImpersonateSelf( SecurityImpersonation );
        break;

1691
    case FSCTL_IS_VOLUME_MOUNTED:
1692 1693
    case FSCTL_LOCK_VOLUME:
    case FSCTL_UNLOCK_VOLUME:
1694
        FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1695
              code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1696
        status = STATUS_SUCCESS;
1697 1698
        break;

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    case FSCTL_GET_RETRIEVAL_POINTERS:
    {
        RETRIEVAL_POINTERS_BUFFER *buffer = (RETRIEVAL_POINTERS_BUFFER *)out_buffer;

        FIXME("stub: FSCTL_GET_RETRIEVAL_POINTERS\n");

        if (out_size >= sizeof(RETRIEVAL_POINTERS_BUFFER))
        {
            buffer->ExtentCount                 = 1;
            buffer->StartingVcn.QuadPart        = 1;
            buffer->Extents[0].NextVcn.QuadPart = 0;
            buffer->Extents[0].Lcn.QuadPart     = 0;
            io->Information = sizeof(RETRIEVAL_POINTERS_BUFFER);
            status = STATUS_SUCCESS;
        }
        else
        {
            io->Information = 0;
            status = STATUS_BUFFER_TOO_SMALL;
        }
        break;
    }
1721 1722 1723 1724 1725
    case FSCTL_SET_SPARSE:
        TRACE("FSCTL_SET_SPARSE: Ignoring request\n");
        io->Information = 0;
        status = STATUS_SUCCESS;
        break;
1726
    default:
1727 1728
        return server_ioctl_file( handle, event, apc, apc_context, io, code,
                                  in_buffer, in_size, out_buffer, out_size );
1729
    }
1730 1731 1732

    if (status != STATUS_PENDING) io->u.Status = status;
    return status;
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}

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struct read_changes_fileio
{
    struct async_fileio io;
    void               *buffer;
    ULONG               buffer_size;
    ULONG               data_size;
    char                data[1];
};

1745
static NTSTATUS read_changes_apc( void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status )
1746 1747
{
    struct read_changes_fileio *fileio = user;
1748
    int size = 0;
1749

1750
    if (status == STATUS_ALERTED)
1751
    {
1752
        SERVER_START_REQ( read_change )
1753
        {
1754 1755 1756 1757
            req->handle = wine_server_obj_handle( fileio->io.handle );
            wine_server_set_reply( req, fileio->data, fileio->data_size );
            status = wine_server_call( req );
            size = wine_server_reply_size( reply );
1758
        }
1759
        SERVER_END_REQ;
1760

1761
        if (status == STATUS_SUCCESS && fileio->buffer)
1762
        {
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            FILE_NOTIFY_INFORMATION *pfni = fileio->buffer;
            int i, left = fileio->buffer_size;
            DWORD *last_entry_offset = NULL;
            struct filesystem_event *event = (struct filesystem_event*)fileio->data;

            while (size && left >= sizeof(*pfni))
            {
                /* convert to an NT style path */
                for (i = 0; i < event->len; i++)
                    if (event->name[i] == '/') event->name[i] = '\\';

                pfni->Action = event->action;
                pfni->FileNameLength = ntdll_umbstowcs( 0, event->name, event->len, pfni->FileName,
                             (left - offsetof(FILE_NOTIFY_INFORMATION, FileName)) / sizeof(WCHAR));
                last_entry_offset = &pfni->NextEntryOffset;

                if (pfni->FileNameLength == -1 || pfni->FileNameLength == -2) break;

                i = offsetof(FILE_NOTIFY_INFORMATION, FileName[pfni->FileNameLength]);
                pfni->FileNameLength *= sizeof(WCHAR);
                pfni->NextEntryOffset = i;
                pfni = (FILE_NOTIFY_INFORMATION*)((char*)pfni + i);
                left -= i;

                i = (offsetof(struct filesystem_event, name[event->len])
                     + sizeof(int)-1) / sizeof(int) * sizeof(int);
                event = (struct filesystem_event*)((char*)event + i);
                size -= i;
            }

            if (size)
            {
                status = STATUS_NOTIFY_ENUM_DIR;
                size = 0;
            }
            else
            {
                if (last_entry_offset) *last_entry_offset = 0;
                size = fileio->buffer_size - left;
            }
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        }
        else
        {
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            status = STATUS_NOTIFY_ENUM_DIR;
            size = 0;
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        }
    }
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    if (status != STATUS_PENDING)
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    {
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        iosb->u.Status = status;
        iosb->Information = size;
        release_fileio( &fileio->io );
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    }
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    return status;
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}

#define FILE_NOTIFY_ALL        (  \
 FILE_NOTIFY_CHANGE_FILE_NAME   | \
 FILE_NOTIFY_CHANGE_DIR_NAME    | \
 FILE_NOTIFY_CHANGE_ATTRIBUTES  | \
 FILE_NOTIFY_CHANGE_SIZE        | \
 FILE_NOTIFY_CHANGE_LAST_WRITE  | \
 FILE_NOTIFY_CHANGE_LAST_ACCESS | \
 FILE_NOTIFY_CHANGE_CREATION    | \
 FILE_NOTIFY_CHANGE_SECURITY   )

/******************************************************************************
 *  NtNotifyChangeDirectoryFile [NTDLL.@]
 */
NTSTATUS WINAPI NtNotifyChangeDirectoryFile( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc,
                                             void *apc_context, PIO_STATUS_BLOCK iosb, void *buffer,
                                             ULONG buffer_size, ULONG filter, BOOLEAN subtree )
{
    struct read_changes_fileio *fileio;
    NTSTATUS status;
    ULONG size = max( 4096, buffer_size );

    TRACE( "%p %p %p %p %p %p %u %u %d\n",
           handle, event, apc, apc_context, iosb, buffer, buffer_size, filter, subtree );

    if (!iosb) return STATUS_ACCESS_VIOLATION;
    if (filter == 0 || (filter & ~FILE_NOTIFY_ALL)) return STATUS_INVALID_PARAMETER;

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    fileio = (struct read_changes_fileio *)alloc_fileio( offsetof(struct read_changes_fileio, data[size]),
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                                                         read_changes_apc, handle );
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    if (!fileio) return STATUS_NO_MEMORY;
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    fileio->buffer      = buffer;
    fileio->buffer_size = buffer_size;
    fileio->data_size   = size;

    SERVER_START_REQ( read_directory_changes )
    {
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        req->filter    = filter;
        req->want_data = (buffer != NULL);
        req->subtree   = subtree;
        req->async     = server_async( handle, &fileio->io, event, apc, apc_context, iosb );
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        status = wine_server_call( req );
    }
    SERVER_END_REQ;

    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
    return status;
}

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/******************************************************************************
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 *  NtSetVolumeInformationFile		[NTDLL.@]
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 *  ZwSetVolumeInformationFile		[NTDLL.@]
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 *
 * 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.
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 */
NTSTATUS WINAPI NtSetVolumeInformationFile(
	IN HANDLE FileHandle,
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	PIO_STATUS_BLOCK IoStatusBlock,
	PVOID FsInformation,
        ULONG Length,
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	FS_INFORMATION_CLASS FsInformationClass)
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{
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	FIXME("(%p,%p,%p,0x%08x,0x%08x) stub\n",
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	FileHandle,IoStatusBlock,FsInformation,Length,FsInformationClass);
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	return 0;
}

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#if defined(__ANDROID__) && !defined(HAVE_FUTIMENS)
static int futimens( int fd, const struct timespec spec[2] )
{
    return syscall( __NR_utimensat, fd, NULL, spec, 0 );
}
#define HAVE_FUTIMENS
#endif  /* __ANDROID__ */

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#ifndef UTIME_OMIT
#define UTIME_OMIT ((1 << 30) - 2)
#endif

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static BOOL set_file_times_precise( int fd, const LARGE_INTEGER *mtime,
        const LARGE_INTEGER *atime, NTSTATUS *status )
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{
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#ifdef HAVE_FUTIMENS
    struct timespec tv[2];

    tv[0].tv_sec = tv[1].tv_sec = 0;
    tv[0].tv_nsec = tv[1].tv_nsec = UTIME_OMIT;
    if (atime->QuadPart)
    {
        tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
        tv[0].tv_nsec = (atime->QuadPart % 10000000) * 100;
    }
    if (mtime->QuadPart)
    {
        tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
        tv[1].tv_nsec = (mtime->QuadPart % 10000000) * 100;
    }
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#ifdef __APPLE__
    if (!&futimens) return FALSE;
#endif
    if (futimens( fd, tv ) == -1) *status = FILE_GetNtStatus();
    else *status = STATUS_SUCCESS;
    return TRUE;
#else
    return FALSE;
#endif
}
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static NTSTATUS set_file_times( int fd, const LARGE_INTEGER *mtime, const LARGE_INTEGER *atime )
{
    NTSTATUS status = STATUS_SUCCESS;
#if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT)
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    struct timeval tv[2];
    struct stat st;
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#endif

    if (set_file_times_precise( fd, mtime, atime, &status ))
        return status;
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#if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT)
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    if (!atime->QuadPart || !mtime->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;
#ifdef HAVE_STRUCT_STAT_ST_ATIM
            tv[0].tv_usec = st.st_atim.tv_nsec / 1000;
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#elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
            tv[0].tv_usec = st.st_atimespec.tv_nsec / 1000;
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#endif
#ifdef HAVE_STRUCT_STAT_ST_MTIM
            tv[1].tv_usec = st.st_mtim.tv_nsec / 1000;
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#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
            tv[1].tv_usec = st.st_mtimespec.tv_nsec / 1000;
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#endif
        }
    }
    if (atime->QuadPart)
    {
        tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
        tv[0].tv_usec = (atime->QuadPart % 10000000) / 10;
    }
    if (mtime->QuadPart)
    {
        tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
        tv[1].tv_usec = (mtime->QuadPart % 10000000) / 10;
    }
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#ifdef HAVE_FUTIMES
    if (futimes( fd, tv ) == -1) status = FILE_GetNtStatus();
#elif defined(HAVE_FUTIMESAT)
    if (futimesat( fd, NULL, tv ) == -1) status = FILE_GetNtStatus();
#endif

#else  /* HAVE_FUTIMES || HAVE_FUTIMESAT */
    FIXME( "setting file times not supported\n" );
    status = STATUS_NOT_IMPLEMENTED;
#endif
    return status;
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}

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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;
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#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
    mtime->QuadPart += st->st_mtimespec.tv_nsec / 100;
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#endif
#ifdef HAVE_STRUCT_STAT_ST_CTIM
    ctime->QuadPart += st->st_ctim.tv_nsec / 100;
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#elif defined(HAVE_STRUCT_STAT_ST_CTIMESPEC)
    ctime->QuadPart += st->st_ctimespec.tv_nsec / 100;
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#endif
#ifdef HAVE_STRUCT_STAT_ST_ATIM
    atime->QuadPart += st->st_atim.tv_nsec / 100;
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#elif defined(HAVE_STRUCT_STAT_ST_ATIMESPEC)
    atime->QuadPart += st->st_atimespec.tv_nsec / 100;
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#endif
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#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME
    RtlSecondsSince1970ToTime( st->st_birthtime, creation );
#ifdef HAVE_STRUCT_STAT_ST_BIRTHTIM
    creation->QuadPart += st->st_birthtim.tv_nsec / 100;
#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC)
    creation->QuadPart += st->st_birthtimespec.tv_nsec / 100;
#endif
#elif defined(HAVE_STRUCT_STAT___ST_BIRTHTIME)
    RtlSecondsSince1970ToTime( st->__st_birthtime, creation );
#ifdef HAVE_STRUCT_STAT___ST_BIRTHTIM
    creation->QuadPart += st->__st_birthtim.tv_nsec / 100;
#endif
#else
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    *creation = *mtime;
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#endif
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}

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/* fill in the file information that depends on the stat and attribute info */
NTSTATUS fill_file_info( const struct stat *st, ULONG attr, void *ptr,
                         FILE_INFORMATION_CLASS class )
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{
    switch (class)
    {
    case FileBasicInformation:
        {
            FILE_BASIC_INFORMATION *info = ptr;

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            get_file_times( st, &info->LastWriteTime, &info->ChangeTime,
                            &info->LastAccessTime, &info->CreationTime );
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            info->FileAttributes = attr;
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        }
        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;
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            fill_file_info( st, attr, &info->BasicInformation, FileBasicInformation );
            fill_file_info( st, attr, &info->StandardInformation, FileStandardInformation );
            fill_file_info( st, attr, &info->InternalInformation, FileInternalInformation );
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        }
        break;
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    /* 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;
            }
            else
            {
                info->AllocationSize.QuadPart = (ULONGLONG)st->st_blocks * 512;
                info->EndOfFile.QuadPart      = st->st_size;
            }
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            info->FileAttributes = attr;
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        }
        break;
    case FileIdFullDirectoryInformation:
        {
            FILE_ID_FULL_DIRECTORY_INFORMATION *info = ptr;
            info->FileId.QuadPart = st->st_ino;
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            fill_file_info( st, attr, info, FileDirectoryInformation );
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        }
        break;
    case FileIdBothDirectoryInformation:
        {
            FILE_ID_BOTH_DIRECTORY_INFORMATION *info = ptr;
            info->FileId.QuadPart = st->st_ino;
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            fill_file_info( st, attr, info, FileDirectoryInformation );
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        }
        break;
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    case FileIdGlobalTxDirectoryInformation:
        {
            FILE_ID_GLOBAL_TX_DIR_INFORMATION *info = ptr;
            info->FileId.QuadPart = st->st_ino;
            fill_file_info( st, attr, info, FileDirectoryInformation );
        }
        break;
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    default:
        return STATUS_INVALID_INFO_CLASS;
    }
    return STATUS_SUCCESS;
}

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NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name )
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{
    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;
}

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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;
}

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static NTSTATUS server_get_file_info( HANDLE handle, IO_STATUS_BLOCK *io, void *buffer,
                                      ULONG length, FILE_INFORMATION_CLASS info_class )
{
    SERVER_START_REQ( get_file_info )
    {
        req->handle = wine_server_obj_handle( handle );
        req->info_class = info_class;
        wine_server_set_reply( req, buffer, length );
        io->u.Status = wine_server_call( req );
        io->Information = wine_server_reply_size( reply );
    }
    SERVER_END_REQ;
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    if (io->u.Status == STATUS_NOT_IMPLEMENTED)
2210
        FIXME( "Unsupported info class %x\n", info_class );
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    return io->u.Status;

}

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/******************************************************************************
2216
 *  NtQueryInformationFile		[NTDLL.@]
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 *  ZwQueryInformationFile		[NTDLL.@]
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 *
 * Get information about an open file handle.
 *
 * PARAMS
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 *  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
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 *
 * RETURNS
 *  Success: 0. IoStatusBlock and FileInformation are updated.
 *  Failure: An NTSTATUS error code describing the error.
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 */
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NTSTATUS WINAPI NtQueryInformationFile( HANDLE hFile, PIO_STATUS_BLOCK io,
                                        PVOID ptr, LONG len, FILE_INFORMATION_CLASS class )
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{
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    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 */
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        0,                                             /* FileAccessInformation */
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        sizeof(FILE_NAME_INFORMATION),                 /* FileNameInformation */
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        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 */
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        0,                                             /* FileModeInformation */
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        sizeof(FILE_ALIGNMENT_INFORMATION),            /* FileAlignmentInformation */
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        sizeof(FILE_ALL_INFORMATION),                  /* FileAllInformation */
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        sizeof(FILE_ALLOCATION_INFORMATION),           /* FileAllocationInformation */
        sizeof(FILE_END_OF_FILE_INFORMATION),          /* FileEndOfFileInformation */
        0,                                             /* FileAlternateNameInformation */
        sizeof(FILE_STREAM_INFORMATION)-sizeof(WCHAR), /* FileStreamInformation */
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        sizeof(FILE_PIPE_INFORMATION),                 /* FilePipeInformation */
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        sizeof(FILE_PIPE_LOCAL_INFORMATION),           /* FilePipeLocalInformation */
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        0,                                             /* FilePipeRemoteInformation */
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        sizeof(FILE_MAILSLOT_QUERY_INFORMATION),       /* FileMailslotQueryInformation */
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        0,                                             /* FileMailslotSetInformation */
        0,                                             /* FileCompressionInformation */
        0,                                             /* FileObjectIdInformation */
        0,                                             /* FileCompletionInformation */
        0,                                             /* FileMoveClusterInformation */
        0,                                             /* FileQuotaInformation */
        0,                                             /* FileReparsePointInformation */
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        sizeof(FILE_NETWORK_OPEN_INFORMATION),         /* FileNetworkOpenInformation */
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        sizeof(FILE_ATTRIBUTE_TAG_INFORMATION),        /* FileAttributeTagInformation */
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        0,                                             /* FileTrackingInformation */
        0,                                             /* FileIdBothDirectoryInformation */
        0,                                             /* FileIdFullDirectoryInformation */
        0,                                             /* FileValidDataLengthInformation */
        0,                                             /* FileShortNameInformation */
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        0,                                             /* FileIoCompletionNotificationInformation, */
        0,                                             /* FileIoStatusBlockRangeInformation */
        0,                                             /* FileIoPriorityHintInformation */
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        0,                                             /* FileSfioReserveInformation */
        0,                                             /* FileSfioVolumeInformation */
        0,                                             /* FileHardLinkInformation */
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        0,                                             /* FileProcessIdsUsingFileInformation */
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        0,                                             /* FileNormalizedNameInformation */
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        0,                                             /* FileNetworkPhysicalNameInformation */
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        0,                                             /* FileIdGlobalTxDirectoryInformation */
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        0,                                             /* FileIsRemoteDeviceInformation */
        0,                                             /* FileAttributeCacheInformation */
        0,                                             /* FileNumaNodeInformation */
        0,                                             /* FileStandardLinkInformation */
        0,                                             /* FileRemoteProtocolInformation */
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        0,                                             /* FileRenameInformationBypassAccessCheck */
        0,                                             /* FileLinkInformationBypassAccessCheck */
        0,                                             /* FileVolumeNameInformation */
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        sizeof(FILE_ID_INFORMATION),                   /* FileIdInformation */
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        0,                                             /* FileIdExtdDirectoryInformation */
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        0,                                             /* FileReplaceCompletionInformation */
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        0,                                             /* FileHardLinkFullIdInformation */
        0,                                             /* FileIdExtdBothDirectoryInformation */
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    };

    struct stat st;
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    int fd, needs_close = FALSE;
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    ULONG attr;
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2307
    TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
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2309
    io->Information = 0;
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    if (class <= 0 || class >= FileMaximumInformation)
        return io->u.Status = STATUS_INVALID_INFO_CLASS;
    if (!info_sizes[class])
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        return server_get_file_info( hFile, io, ptr, len, class );
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    if (len < info_sizes[class])
        return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;

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    if ((io->u.Status = server_get_unix_fd( hFile, 0, &fd, &needs_close, NULL, NULL )))
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    {
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        if (io->u.Status != STATUS_BAD_DEVICE_TYPE) return io->u.Status;
        return server_get_file_info( hFile, io, ptr, len, class );
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    }
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    switch (class)
    {
    case FileBasicInformation:
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        if (fd_get_file_info( fd, &st, &attr ) == -1)
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            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
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            fill_file_info( &st, attr, ptr, class );
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        break;
    case FileStandardInformation:
        {
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            FILE_STANDARD_INFORMATION *info = ptr;
2337

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            if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
2339
            else
2340
            {
2341
                fill_file_info( &st, attr, info, class );
2342
                info->DeletePending = FALSE; /* FIXME */
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            }
        }
        break;
    case FilePositionInformation:
        {
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            FILE_POSITION_INFORMATION *info = ptr;
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            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:
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        if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
        else fill_file_info( &st, attr, ptr, class );
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        break;
    case FileEaInformation:
        {
            FILE_EA_INFORMATION *info = ptr;
            info->EaSize = 0;
        }
        break;
    case FileEndOfFileInformation:
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        if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
        else fill_file_info( &st, attr, ptr, class );
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        break;
    case FileAllInformation:
        {
            FILE_ALL_INFORMATION *info = ptr;
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            ANSI_STRING unix_name;
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2373
            if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
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            else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
                io->u.Status = STATUS_INVALID_INFO_CLASS;
2376
            else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
2377
            {
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                LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);

2380
                fill_file_info( &st, attr, info, FileAllInformation );
2381
                info->StandardInformation.DeletePending = FALSE; /* FIXME */
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                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 */
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                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;
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            }
        }
        break;
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    case FileMailslotQueryInformation:
        {
            FILE_MAILSLOT_QUERY_INFORMATION *info = ptr;

            SERVER_START_REQ( set_mailslot_info )
            {
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                req->handle = wine_server_obj_handle( hFile );
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                req->flags = 0;
                io->u.Status = wine_server_call( req );
                if( io->u.Status == STATUS_SUCCESS )
                {
                    info->MaximumMessageSize = reply->max_msgsize;
                    info->MailslotQuota = 0;
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                    info->NextMessageSize = 0;
                    info->MessagesAvailable = 0;
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                    info->ReadTimeout.QuadPart = reply->read_timeout;
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                }
            }
            SERVER_END_REQ;
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            if (!io->u.Status)
            {
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                char *tmpbuf;
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                ULONG size = info->MaximumMessageSize ? info->MaximumMessageSize : 0x10000;
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                if (size > 0x10000) size = 0x10000;
                if ((tmpbuf = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2419
                {
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                    if (!server_get_unix_fd( hFile, FILE_READ_DATA, &fd, &needs_close, NULL, NULL ))
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                    {
                        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 );
                }
            }
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        }
        break;
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    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);
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                io->u.Status = fill_name_info( &unix_name, info, &name_len );
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                RtlFreeAnsiString( &unix_name );
2442
                io->Information = FIELD_OFFSET(FILE_NAME_INFORMATION, FileName) + name_len;
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            }
        }
        break;
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    case FileNetworkOpenInformation:
        {
            FILE_NETWORK_OPEN_INFORMATION *info = ptr;
            ANSI_STRING unix_name;

            if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
            {
                ULONG attributes;
                struct stat st;

                if (get_file_info( unix_name.Buffer, &st, &attributes ) == -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
                {
                    FILE_BASIC_INFORMATION basic;
                    FILE_STANDARD_INFORMATION std;

                    fill_file_info( &st, attributes, &basic, FileBasicInformation );
                    fill_file_info( &st, attributes, &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;
                }
                RtlFreeAnsiString( &unix_name );
            }
        }
        break;
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    case FileIdInformation:
        if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
        else
        {
            FILE_ID_INFORMATION *info = ptr;
            info->VolumeSerialNumber = 0;  /* FIXME */
            memset( &info->FileId, 0, sizeof(info->FileId) );
            *(ULONGLONG *)&info->FileId = st.st_ino;
        }
        break;
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    case FileAttributeTagInformation:
        if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
        else
        {
            FILE_ATTRIBUTE_TAG_INFORMATION *info = ptr;
            info->FileAttributes = attr;
            info->ReparseTag = 0; /* FIXME */
        }
        break;
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    default:
        FIXME("Unsupported class (%d)\n", class);
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        io->u.Status = STATUS_NOT_IMPLEMENTED;
        break;
2503
    }
2504
    if (needs_close) close( fd );
2505
    if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
2506
    return io->u.Status;
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}

/******************************************************************************
2510
 *  NtSetInformationFile		[NTDLL.@]
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Patrik Stridvall committed
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 *  ZwSetInformationFile		[NTDLL.@]
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 *
 * Set information about an open file handle.
 *
 * PARAMS
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 *  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
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 *
 * RETURNS
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 *  Success: 0. io is updated.
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 *  Failure: An NTSTATUS error code describing the error.
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 */
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NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
                                     PVOID ptr, ULONG len, FILE_INFORMATION_CLASS class)
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{
2529
    int fd, needs_close;
2530

2531
    TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", handle, io, ptr, len, class);
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    io->u.Status = STATUS_SUCCESS;
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    switch (class)
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    {
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    case FileBasicInformation:
        if (len >= sizeof(FILE_BASIC_INFORMATION))
2538
        {
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            struct stat st;
            const FILE_BASIC_INFORMATION *info = ptr;
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            LARGE_INTEGER mtime, atime;
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            if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
                return io->u.Status;

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            mtime.QuadPart = info->LastWriteTime.QuadPart == -1 ? 0 : info->LastWriteTime.QuadPart;
            atime.QuadPart = info->LastAccessTime.QuadPart == -1 ? 0 : info->LastAccessTime.QuadPart;

            if (atime.QuadPart || mtime.QuadPart)
                io->u.Status = set_file_times( fd, &mtime, &atime );
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            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)
                    {
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                        if (S_ISDIR( st.st_mode))
                            WARN("FILE_ATTRIBUTE_READONLY ignored for directory.\n");
                        else
                            st.st_mode &= ~0222; /* clear write permission bits */
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                    }
                    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();
                }
            }
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            if (needs_close) close( fd );
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        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

    case FilePositionInformation:
        if (len >= sizeof(FILE_POSITION_INFORMATION))
        {
            const FILE_POSITION_INFORMATION *info = ptr;

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            if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
                return io->u.Status;

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            if (lseek( fd, info->CurrentByteOffset.QuadPart, SEEK_SET ) == (off_t)-1)
                io->u.Status = FILE_GetNtStatus();
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            if (needs_close) close( fd );
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        }
2591
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
2592
        break;
2593

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    case FileEndOfFileInformation:
        if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
        {
2597
            struct stat st;
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            const FILE_END_OF_FILE_INFORMATION *info = ptr;

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            if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
                return io->u.Status;

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            /* 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)
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            {
                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 */
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                if (pwrite( fd, &zero, 1, (off_t)info->EndOfFile.QuadPart ) != -1 &&
                    ftruncate( fd, (off_t)info->EndOfFile.QuadPart ) != -1) break;
2615
            }
2616
            io->u.Status = FILE_GetNtStatus();
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            if (needs_close) close( fd );
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        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

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    case FilePipeInformation:
        if (len >= sizeof(FILE_PIPE_INFORMATION))
        {
            FILE_PIPE_INFORMATION *info = ptr;

            if ((info->CompletionMode | info->ReadMode) & ~1)
            {
                io->u.Status = STATUS_INVALID_PARAMETER;
                break;
            }

            SERVER_START_REQ( set_named_pipe_info )
            {
                req->handle = wine_server_obj_handle( handle );
                req->flags  = (info->CompletionMode ? NAMED_PIPE_NONBLOCKING_MODE    : 0) |
                              (info->ReadMode       ? NAMED_PIPE_MESSAGE_STREAM_READ : 0);
                io->u.Status = wine_server_call( req );
            }
            SERVER_END_REQ;
        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

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    case FileMailslotSetInformation:
        {
            FILE_MAILSLOT_SET_INFORMATION *info = ptr;

            SERVER_START_REQ( set_mailslot_info )
            {
2652
                req->handle = wine_server_obj_handle( handle );
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                req->flags = MAILSLOT_SET_READ_TIMEOUT;
2654
                req->read_timeout = info->ReadTimeout.QuadPart;
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                io->u.Status = wine_server_call( req );
            }
            SERVER_END_REQ;
        }
        break;

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    case FileCompletionInformation:
        if (len >= sizeof(FILE_COMPLETION_INFORMATION))
        {
2664
            FILE_COMPLETION_INFORMATION *info = ptr;
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            SERVER_START_REQ( set_completion_info )
            {
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                req->handle   = wine_server_obj_handle( handle );
                req->chandle  = wine_server_obj_handle( info->CompletionPort );
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                req->ckey     = info->CompletionKey;
                io->u.Status  = wine_server_call( req );
            }
            SERVER_END_REQ;
        } else
            io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

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    case FileIoCompletionNotificationInformation:
        if (len >= sizeof(FILE_IO_COMPLETION_NOTIFICATION_INFORMATION))
        {
            FILE_IO_COMPLETION_NOTIFICATION_INFORMATION *info = ptr;

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            if (info->Flags & FILE_SKIP_SET_USER_EVENT_ON_FAST_IO)
                FIXME( "FILE_SKIP_SET_USER_EVENT_ON_FAST_IO not supported\n" );
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            SERVER_START_REQ( set_fd_completion_mode )
            {
                req->handle   = wine_server_obj_handle( handle );
                req->flags    = info->Flags;
                io->u.Status  = wine_server_call( req );
            }
            SERVER_END_REQ;
        } else
            io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
        break;

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    case FileIoPriorityHintInformation:
        if (len >= sizeof(FILE_IO_PRIORITY_HINT_INFO))
        {
            FILE_IO_PRIORITY_HINT_INFO *info = ptr;
            if (info->PriorityHint < MaximumIoPriorityHintType)
                TRACE( "ignoring FileIoPriorityHintInformation %u\n", info->PriorityHint );
            else
                io->u.Status = STATUS_INVALID_PARAMETER;
        }
        else io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
        break;

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    case FileAllInformation:
        io->u.Status = STATUS_INVALID_INFO_CLASS;
        break;

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    case FileValidDataLengthInformation:
        if (len >= sizeof(FILE_VALID_DATA_LENGTH_INFORMATION))
        {
            struct stat st;
            const FILE_VALID_DATA_LENGTH_INFORMATION *info = ptr;

            if ((io->u.Status = server_get_unix_fd( handle, FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL )))
                return io->u.Status;

            if (fstat( fd, &st ) == -1) io->u.Status = FILE_GetNtStatus();
            else if (info->ValidDataLength.QuadPart <= 0 || (off_t)info->ValidDataLength.QuadPart > st.st_size)
                io->u.Status = STATUS_INVALID_PARAMETER;
            else
            {
#ifdef HAVE_FALLOCATE
                if (fallocate( fd, 0, 0, (off_t)info->ValidDataLength.QuadPart ) == -1)
                {
                    NTSTATUS status = FILE_GetNtStatus();
                    if (status == STATUS_NOT_SUPPORTED) WARN( "fallocate not supported on this filesystem\n" );
                    else io->u.Status = status;
                }
#else
                FIXME( "setting valid data length not supported\n" );
#endif
            }
            if (needs_close) close( fd );
        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

2743 2744 2745 2746 2747
    case FileDispositionInformation:
        if (len >= sizeof(FILE_DISPOSITION_INFORMATION))
        {
            FILE_DISPOSITION_INFORMATION *info = ptr;

2748
            SERVER_START_REQ( set_fd_disp_info )
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            {
                req->handle   = wine_server_obj_handle( handle );
                req->unlink   = info->DoDeleteFile;
                io->u.Status  = wine_server_call( req );
            }
            SERVER_END_REQ;
        } else
            io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

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    case FileRenameInformation:
        if (len >= sizeof(FILE_RENAME_INFORMATION))
        {
            FILE_RENAME_INFORMATION *info = ptr;
            UNICODE_STRING name_str;
            OBJECT_ATTRIBUTES attr;
            ANSI_STRING unix_name;

            name_str.Buffer = info->FileName;
            name_str.Length = info->FileNameLength;
            name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR);

            attr.Length = sizeof(attr);
            attr.ObjectName = &name_str;
            attr.RootDirectory = info->RootDir;
            attr.Attributes = OBJ_CASE_INSENSITIVE;

            io->u.Status = nt_to_unix_file_name_attr( &attr, &unix_name, FILE_OPEN_IF );
            if (io->u.Status != STATUS_SUCCESS && io->u.Status != STATUS_NO_SUCH_FILE)
                break;

            if (!info->Replace && io->u.Status == STATUS_SUCCESS)
            {
                RtlFreeAnsiString( &unix_name );
                io->u.Status = STATUS_OBJECT_NAME_COLLISION;
                break;
            }

            SERVER_START_REQ( set_fd_name_info )
            {
                req->handle   = wine_server_obj_handle( handle );
                req->rootdir  = wine_server_obj_handle( attr.RootDirectory );
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                req->link     = FALSE;
                wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
                io->u.Status = wine_server_call( req );
            }
            SERVER_END_REQ;

            RtlFreeAnsiString( &unix_name );
        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

    case FileLinkInformation:
        if (len >= sizeof(FILE_LINK_INFORMATION))
        {
            FILE_LINK_INFORMATION *info = ptr;
            UNICODE_STRING name_str;
            OBJECT_ATTRIBUTES attr;
            ANSI_STRING unix_name;

            name_str.Buffer = info->FileName;
            name_str.Length = info->FileNameLength;
            name_str.MaximumLength = info->FileNameLength + sizeof(WCHAR);

            attr.Length = sizeof(attr);
            attr.ObjectName = &name_str;
            attr.RootDirectory = info->RootDirectory;
            attr.Attributes = OBJ_CASE_INSENSITIVE;

            io->u.Status = nt_to_unix_file_name_attr( &attr, &unix_name, FILE_OPEN_IF );
            if (io->u.Status != STATUS_SUCCESS && io->u.Status != STATUS_NO_SUCH_FILE)
                break;

            if (!info->ReplaceIfExists && io->u.Status == STATUS_SUCCESS)
            {
                RtlFreeAnsiString( &unix_name );
                io->u.Status = STATUS_OBJECT_NAME_COLLISION;
                break;
            }

            SERVER_START_REQ( set_fd_name_info )
            {
                req->handle   = wine_server_obj_handle( handle );
                req->rootdir  = wine_server_obj_handle( attr.RootDirectory );
                req->link     = TRUE;
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                wine_server_add_data( req, unix_name.Buffer, unix_name.Length );
                io->u.Status  = wine_server_call( req );
            }
            SERVER_END_REQ;

            RtlFreeAnsiString( &unix_name );
        }
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
        break;

2845 2846
    default:
        FIXME("Unsupported class (%d)\n", class);
2847 2848
        io->u.Status = STATUS_NOT_IMPLEMENTED;
        break;
2849
    }
2850 2851 2852 2853 2854 2855
    io->Information = 0;
    return io->u.Status;
}


/******************************************************************************
2856
 *              NtQueryFullAttributesFile   (NTDLL.@)
2857
 */
2858 2859
NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
                                           FILE_NETWORK_OPEN_INFORMATION *info )
2860 2861 2862 2863
{
    ANSI_STRING unix_name;
    NTSTATUS status;

2864
    if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2865
    {
2866
        ULONG attributes;
2867 2868
        struct stat st;

2869
        if (get_file_info( unix_name.Buffer, &st, &attributes ) == -1)
2870 2871 2872 2873 2874
            status = FILE_GetNtStatus();
        else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
            status = STATUS_INVALID_INFO_CLASS;
        else
        {
2875 2876 2877
            FILE_BASIC_INFORMATION basic;
            FILE_STANDARD_INFORMATION std;

2878 2879
            fill_file_info( &st, attributes, &basic, FileBasicInformation );
            fill_file_info( &st, attributes, &std, FileStandardInformation );
2880 2881 2882 2883 2884 2885 2886 2887

            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;
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            if (DIR_is_hidden_file( attr->ObjectName ))
                info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
        }
        RtlFreeAnsiString( &unix_name );
    }
2893
    else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2894
    return status;
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}

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/******************************************************************************
 *              NtQueryAttributesFile   (NTDLL.@)
 *              ZwQueryAttributesFile   (NTDLL.@)
 */
NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
{
2904
    ANSI_STRING unix_name;
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    NTSTATUS status;

2907
    if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2908
    {
2909
        ULONG attributes;
2910 2911
        struct stat st;

2912
        if (get_file_info( unix_name.Buffer, &st, &attributes ) == -1)
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            status = FILE_GetNtStatus();
        else if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
            status = STATUS_INVALID_INFO_CLASS;
        else
        {
2918
            status = fill_file_info( &st, attributes, info, FileBasicInformation );
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            if (DIR_is_hidden_file( attr->ObjectName ))
                info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
        }
        RtlFreeAnsiString( &unix_name );
2923
    }
2924
    else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
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    return status;
}


2929
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2930
/* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2931
static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2932
                                            unsigned int flags )
2933
{
2934
    if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
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    {
        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;
    }
2940 2941
    else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
             !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
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    {
        info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
        info->Characteristics |= FILE_REMOTE_DEVICE;
    }
2946
    else if (!strcmp("procfs", fstypename))
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        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

2962
static inline BOOL is_device_placeholder( int fd )
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{
    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)
2968
        return FALSE;
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    return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
}

2972
/******************************************************************************
2973
 *              get_device_info
2974 2975 2976
 *
 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
 */
2977
static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
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{
    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;
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        case SCSI_TAPE_MAJOR:
            info->DeviceType = FILE_DEVICE_TAPE;
            break;
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        }
#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;
    }
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    else if (is_device_placeholder( fd ))
    {
        info->DeviceType = FILE_DEVICE_DISK;
    }
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    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 */
3029
        case 0x9fa1:      /* supermount */
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        case 0x15013346:  /* udf */
            info->DeviceType = FILE_DEVICE_CD_ROM_FILE_SYSTEM;
            info->Characteristics |= FILE_REMOVABLE_MEDIA|FILE_READ_ONLY_DEVICE;
            break;
        case 0x6969:  /* nfs */
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        case 0xff534d42: /* cifs */
        case 0xfe534d42: /* smb2 */
        case 0x517b:  /* smbfs */
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        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;
        }
3052
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
3053 3054 3055 3056 3057
        struct statfs stfs;

        if (fstatfs( fd, &stfs ) < 0)
            info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
        else
3058
            get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
3059 3060 3061 3062
#elif defined(__NetBSD__)
        struct statvfs stfs;

        if (fstatvfs( fd, &stfs) < 0)
3063
            info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
3064
        else
3065
            get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107
#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;
}


3108
/******************************************************************************
3109
 *  NtQueryVolumeInformationFile		[NTDLL.@]
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Patrik Stridvall committed
3110
 *  ZwQueryVolumeInformationFile		[NTDLL.@]
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3111 3112 3113 3114
 *
 * Get volume information for an open file handle.
 *
 * PARAMS
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 *  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
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 *
 * RETURNS
3122
 *  Success: 0. io and buffer are updated.
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3123
 *  Failure: An NTSTATUS error code describing the error.
3124
 */
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NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
                                              PVOID buffer, ULONG length,
                                              FS_INFORMATION_CLASS info_class )
3128
{
3129
    int fd, needs_close;
3130
    struct stat st;
3131
    static int once;
3132

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    io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL );
    if (io->u.Status == STATUS_BAD_DEVICE_TYPE)
    {
        SERVER_START_REQ( get_volume_info )
        {
            req->handle = wine_server_obj_handle( handle );
            req->info_class = info_class;
            wine_server_set_reply( req, buffer, length );
            io->u.Status = wine_server_call( req );
            if (!io->u.Status) io->Information = wine_server_reply_size( reply );
        }
        SERVER_END_REQ;
3145
        return io->u.Status;
3146 3147
    }
    else if (io->u.Status) return io->u.Status;
3148

3149 3150
    io->u.Status = STATUS_NOT_IMPLEMENTED;
    io->Information = 0;
3151

3152 3153 3154
    switch( info_class )
    {
    case FileFsVolumeInformation:
3155
        if (!once++) FIXME( "%p: volume info not supported\n", handle );
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        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;
3166

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            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;
            }
3176 3177
            else
            {
3178
                ULONGLONG bsize;
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                /* 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;
                }
3188
                bsize = stfs.f_frsize;
3189 3190 3191 3192 3193 3194 3195
#else
                struct statfs stfs;
                if (fstatfs( fd, &stfs ) < 0)
                {
                    io->u.Status = FILE_GetNtStatus();
                    break;
                }
3196
                bsize = stfs.f_bsize;
3197
#endif
3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209
                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);
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                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;

3222
            if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
3223
                io->Information = sizeof(*info);
3224 3225 3226
        }
        break;
    case FileFsAttributeInformation:
3227
        if (length < offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName[ARRAY_SIZE( ntfsW )] ))
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            io->u.Status = STATUS_BUFFER_TOO_SMALL;
        else
        {
            FILE_FS_ATTRIBUTE_INFORMATION *info = buffer;

            FIXME( "%p: faking attribute info\n", handle );
            info->FileSystemAttribute = FILE_SUPPORTS_ENCRYPTION | FILE_FILE_COMPRESSION |
                                        FILE_PERSISTENT_ACLS | FILE_UNICODE_ON_DISK |
                                        FILE_CASE_PRESERVED_NAMES | FILE_CASE_SENSITIVE_SEARCH;
            info->MaximumComponentNameLength = MAXIMUM_FILENAME_LENGTH - 1;
            info->FileSystemNameLength = sizeof(ntfsW);
            memcpy(info->FileSystemName, ntfsW, sizeof(ntfsW));

            io->Information = sizeof(*info);
            io->u.Status = STATUS_SUCCESS;
        }
3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260
        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;
    }
3261
    if (needs_close) close( fd );
3262
    return io->u.Status;
3263
}
3264

3265

3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318
/******************************************************************
 *		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;
}


3319 3320
/******************************************************************
 *		NtFlushBuffersFile  (NTDLL.@)
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 *
 * 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.
3331
 */
3332
NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK *io )
3333 3334
{
    NTSTATUS ret;
3335
    HANDLE wait_handle;
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    enum server_fd_type type;
    int fd, needs_close;
3338

3339
    if (!io || !virtual_check_buffer_for_write( io, sizeof(*io) )) return STATUS_ACCESS_VIOLATION;
3340

3341
    ret = server_get_unix_fd( hFile, FILE_WRITE_DATA, &fd, &needs_close, &type, NULL );
3342 3343
    if (ret == STATUS_ACCESS_DENIED)
        ret = server_get_unix_fd( hFile, FILE_APPEND_DATA, &fd, &needs_close, &type, NULL );
3344 3345

    if (!ret && type == FD_TYPE_SERIAL)
3346
    {
3347
        ret = COMM_FlushBuffersFile( fd );
3348
    }
3349
    else if (ret != STATUS_ACCESS_DENIED)
3350
    {
3351 3352 3353 3354 3355 3356 3357
        struct async_irp *async;

        if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, hFile )))
            return STATUS_NO_MEMORY;
        async->buffer  = NULL;
        async->size    = 0;

3358
        SERVER_START_REQ( flush )
3359
        {
3360
            req->async = server_async( hFile, &async->io, NULL, NULL, NULL, io );
3361
            ret = wine_server_call( req );
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            wait_handle = wine_server_ptr_handle( reply->event );
            if (wait_handle && ret != STATUS_PENDING)
            {
                io->u.Status    = ret;
                io->Information = 0;
            }
3368 3369
        }
        SERVER_END_REQ;
3370

3371 3372
        if (ret != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

3373
        if (wait_handle) ret = wait_async( wait_handle, FALSE, io );
3374
    }
3375 3376

    if (needs_close) close( fd );
3377 3378
    return ret;
}
3379 3380 3381 3382 3383 3384 3385

/******************************************************************
 *		NtLockFile       (NTDLL.@)
 *
 *
 */
NTSTATUS WINAPI NtLockFile( HANDLE hFile, HANDLE lock_granted_event,
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                            PIO_APC_ROUTINE apc, void* apc_user,
                            PIO_STATUS_BLOCK io_status, PLARGE_INTEGER offset,
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                            PLARGE_INTEGER count, ULONG* key, BOOLEAN dont_wait,
                            BOOLEAN exclusive )
{
    NTSTATUS    ret;
    HANDLE      handle;
    BOOLEAN     async;
3394
    static BOOLEAN     warn = TRUE;
3395 3396 3397 3398 3399 3400 3401

    if (apc || io_status || key)
    {
        FIXME("Unimplemented yet parameter\n");
        return STATUS_NOT_IMPLEMENTED;
    }

3402 3403 3404 3405 3406
    if (apc_user && warn)
    {
        FIXME("I/O completion on lock not implemented yet\n");
        warn = FALSE;
    }
3407

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    for (;;)
    {
        SERVER_START_REQ( lock_file )
        {
3412
            req->handle      = wine_server_obj_handle( hFile );
3413 3414
            req->offset      = offset->QuadPart;
            req->count       = count->QuadPart;
3415 3416 3417
            req->shared      = !exclusive;
            req->wait        = !dont_wait;
            ret = wine_server_call( req );
3418
            handle = wine_server_ptr_handle( reply->handle );
3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445
            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;
3446
            NtDelayExecution( FALSE, &time );
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        }
    }
}


/******************************************************************
 *		NtUnlockFile    (NTDLL.@)
 *
 *
 */
NTSTATUS WINAPI NtUnlockFile( HANDLE hFile, PIO_STATUS_BLOCK io_status,
                              PLARGE_INTEGER offset, PLARGE_INTEGER count,
                              PULONG key )
{
    NTSTATUS status;

3463
    TRACE( "%p %x%08x %x%08x\n",
3464
           hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
3465 3466 3467 3468 3469 3470 3471 3472 3473

    if (io_status || key)
    {
        FIXME("Unimplemented yet parameter\n");
        return STATUS_NOT_IMPLEMENTED;
    }

    SERVER_START_REQ( unlock_file )
    {
3474
        req->handle = wine_server_obj_handle( hFile );
3475 3476
        req->offset = offset->QuadPart;
        req->count  = count->QuadPart;
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        status = wine_server_call( req );
    }
    SERVER_END_REQ;
    return status;
}
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/******************************************************************
 *		NtCreateNamedPipeFile    (NTDLL.@)
 *
 *
 */
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NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
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                                       POBJECT_ATTRIBUTES attr, PIO_STATUS_BLOCK iosb,
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                                       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)
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{
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    NTSTATUS status;
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    data_size_t len;
    struct object_attributes *objattr;
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    if (!attr) return STATUS_INVALID_PARAMETER;

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    TRACE("(%p %x %s %p %x %d %x %d %d %d %d %d %d %p)\n",
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          handle, access, debugstr_us(attr->ObjectName), iosb, sharing, dispo,
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          options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
          outbound_quota, timeout);
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    /* assume we only get relative timeout */
    if (timeout->QuadPart > 0)
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        FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));

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    if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
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    SERVER_START_REQ( create_named_pipe )
    {
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        req->access  = access;
        req->options = options;
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        req->sharing = sharing;
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        req->flags = 
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            (pipe_type ? NAMED_PIPE_MESSAGE_STREAM_WRITE   : 0) |
            (read_mode ? NAMED_PIPE_MESSAGE_STREAM_READ    : 0) |
            (completion_mode ? NAMED_PIPE_NONBLOCKING_MODE : 0);
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        req->maxinstances = max_inst;
        req->outsize = outbound_quota;
        req->insize  = inbound_quota;
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        req->timeout = timeout->QuadPart;
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        wine_server_add_data( req, objattr, len );
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        status = wine_server_call( req );
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        if (!status) *handle = wine_server_ptr_handle( reply->handle );
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    }
    SERVER_END_REQ;
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    RtlFreeHeap( GetProcessHeap(), 0, objattr );
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    return status;
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}
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/******************************************************************
 *		NtDeleteFile    (NTDLL.@)
 *
 *
 */
NTSTATUS WINAPI NtDeleteFile( POBJECT_ATTRIBUTES ObjectAttributes )
{
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    NTSTATUS status;
    HANDLE hFile;
    IO_STATUS_BLOCK io;

    TRACE("%p\n", ObjectAttributes);
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    status = NtCreateFile( &hFile, GENERIC_READ | GENERIC_WRITE | DELETE,
                           ObjectAttributes, &io, NULL, 0,
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                           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;
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}

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/******************************************************************
 *		NtCancelIoFileEx    (NTDLL.@)
 *
 *
 */
NTSTATUS WINAPI NtCancelIoFileEx( HANDLE hFile, PIO_STATUS_BLOCK iosb, PIO_STATUS_BLOCK io_status )
{
    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;
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    return io_status->u.Status;
}

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/******************************************************************
 *		NtCancelIoFile    (NTDLL.@)
 *
 *
 */
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NTSTATUS WINAPI NtCancelIoFile( HANDLE hFile, PIO_STATUS_BLOCK io_status )
3583
{
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    TRACE("%p %p\n", hFile, io_status );

    SERVER_START_REQ( cancel_async )
    {
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        req->handle      = wine_server_obj_handle( hFile );
        req->iosb        = 0;
        req->only_thread = TRUE;
        io_status->u.Status = wine_server_call( req );
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    }
    SERVER_END_REQ;
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    return io_status->u.Status;
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}
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/******************************************************************************
 *  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)
{
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    LARGE_INTEGER timeout;
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    NTSTATUS ret;
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    data_size_t len;
    struct object_attributes *objattr;
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3625
    TRACE("%p %08x %p %p %08x %08x %08x %p\n",
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              pHandle, DesiredAccess, attr, IoStatusBlock,
              CreateOptions, MailslotQuota, MaxMessageSize, TimeOut);

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    if (!pHandle) return STATUS_ACCESS_VIOLATION;
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    if (!attr) return STATUS_INVALID_PARAMETER;

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    if ((ret = alloc_object_attributes( attr, &objattr, &len ))) return ret;

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    /*
     *  For a NULL TimeOut pointer set the default timeout value
     */
    if  (!TimeOut)
        timeout.QuadPart = -1;
    else
        timeout.QuadPart = TimeOut->QuadPart;

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    SERVER_START_REQ( create_mailslot )
    {
3644
        req->access = DesiredAccess;
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        req->max_msgsize = MaxMessageSize;
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        req->read_timeout = timeout.QuadPart;
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        wine_server_add_data( req, objattr, len );
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        ret = wine_server_call( req );
        if( ret == STATUS_SUCCESS )
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            *pHandle = wine_server_ptr_handle( reply->handle );
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    }
    SERVER_END_REQ;
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    RtlFreeHeap( GetProcessHeap(), 0, objattr );
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    return ret;
}