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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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    case ELOOP:     return STATUS_REPARSE_POINT_NOT_RESOLVED;
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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 );
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                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;
}

800

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/******************************************************************************
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 *  NtReadFile					[NTDLL.@]
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Patrik Stridvall committed
803
 *  ZwReadFile					[NTDLL.@]
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 *
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 * Read from an open file handle.
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 *
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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;

842
    status = server_get_unix_fd( hFile, FILE_READ_DATA, &unix_handle,
843
                                 &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));

853
    if (type == FD_TYPE_FILE)
854
    {
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        if (async_read && (!offset || offset->QuadPart < 0))
856
        {
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            status = STATUS_INVALID_PARAMETER;
            goto done;
        }

861
        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)
865
            {
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                if (errno != EINTR)
                {
                    status = FILE_GetNtStatus();
                    goto done;
                }
871
            }
872
            if (!async_read)
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                /* update file pointer position */
                lseek( unix_handle, offset->QuadPart + result, SEEK_SET );
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876
            total = result;
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            status = (total || !length) ? STATUS_SUCCESS : STATUS_END_OF_FILE;
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            goto done;
        }
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    }
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    else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
882
    {
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        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;
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        }
943

944
        if (async_read)
945
        {
946
            BOOL avail_mode;
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            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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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
1008
    {
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        TRACE("= 0x%08x\n", status);
        if (status != STATUS_PENDING && hEvent) NtResetEvent( hEvent, NULL );
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    }
1012

1013
    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;
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    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)
    {
1056
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
1057
            result = pread( unix_handle, (char *)segments->Buffer + pos,
1058
                            min( length - pos, page_size - pos ), offset->QuadPart + total );
1059
        else
1060
            result = read( unix_handle, (char *)segments->Buffer + pos, min( length - pos, page_size - pos ) );
1061 1062 1063 1064 1065 1066 1067

        if (result == -1)
        {
            if (errno == EINTR) continue;
            status = FILE_GetNtStatus();
            break;
        }
1068
        if (!result) break;
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        total += result;
        length -= result;
        if ((pos += result) == page_size)
        {
            pos = 0;
            segments++;
        }
    }

1078 1079
    if (total == 0) status = STATUS_END_OF_FILE;

1080
    send_completion = cvalue != 0;
1081 1082

    if (needs_close) close( unix_handle );
1083

1084 1085 1086 1087 1088 1089
    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 );
1090
    if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total, TRUE );
1091

1092 1093 1094 1095 1096 1097 1098 1099
    return STATUS_PENDING;

error:
    if (needs_close) close( unix_handle );

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

1100 1101 1102 1103
    return status;
}


1104 1105 1106
/***********************************************************************
 *             FILE_AsyncWriteService      (INTERNAL)
 */
1107
static NTSTATUS FILE_AsyncWriteService( void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status )
1108
{
1109
    struct async_fileio_write *fileio = user;
1110
    int result, fd, needs_close;
1111
    enum server_fd_type type;
1112

1113
    switch (status)
1114
    {
1115 1116
    case STATUS_ALERTED:
        /* write some data (non-blocking) */
1117
        if ((status = server_get_unix_fd( fileio->io.handle, FILE_WRITE_DATA, &fd,
1118
                                          &needs_close, &type, NULL )))
1119
            break;
1120

1121
        if (!fileio->count && (type == FD_TYPE_MAILSLOT || type == FD_TYPE_SOCKET))
1122 1123 1124 1125
            result = send( fd, fileio->buffer, 0, 0 );
        else
            result = write( fd, &fileio->buffer[fileio->already], fileio->count - fileio->already );

1126
        if (needs_close) close( fd );
1127

1128 1129
        if (result < 0)
        {
1130 1131
            if (errno == EAGAIN || errno == EINTR) status = STATUS_PENDING;
            else status = FILE_GetNtStatus();
1132 1133 1134
        }
        else
        {
1135 1136
            fileio->already += result;
            status = (fileio->already < fileio->count) ? STATUS_PENDING : STATUS_SUCCESS;
1137 1138
        }
        break;
1139 1140 1141 1142

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

1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
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;
}

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/******************************************************************************
 *  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.
1189
 */
1190 1191 1192 1193 1194
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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1195
{
1196
    int result, unix_handle, needs_close;
1197
    unsigned int options;
1198
    struct io_timeouts timeouts;
1199
    NTSTATUS status, ret_status;
1200
    ULONG total = 0;
1201
    enum server_fd_type type;
1202
    ULONG_PTR cvalue = apc ? 0 : (ULONG_PTR)apc_user;
1203
    BOOL send_completion = FALSE, async_write, append_write = FALSE, timeout_init_done = FALSE;
1204
    LARGE_INTEGER offset_eof;
1205

1206
    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);

1209 1210
    if (!io_status) return STATUS_ACCESS_VIOLATION;

1211
    status = server_get_unix_fd( hFile, FILE_WRITE_DATA, &unix_handle,
1212
                                 &needs_close, &type, &options );
1213 1214 1215 1216 1217 1218
    if (status == STATUS_ACCESS_DENIED)
    {
        status = server_get_unix_fd( hFile, FILE_APPEND_DATA, &unix_handle,
                                     &needs_close, &type, &options );
        append_write = TRUE;
    }
1219
    if (status && status != STATUS_BAD_DEVICE_TYPE) return status;
1220

1221 1222
    async_write = !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));

1223 1224 1225 1226 1227 1228
    if (!virtual_check_buffer_for_read( buffer, length ))
    {
        status = STATUS_INVALID_USER_BUFFER;
        goto done;
    }

1229 1230 1231
    if (status == STATUS_BAD_DEVICE_TYPE)
        return server_write_file( hFile, hEvent, apc, apc_user, io_status, buffer, length, offset, key );

1232
    if (type == FD_TYPE_FILE)
1233
    {
1234
        if (async_write &&
1235
            (!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
1236
        {
1237 1238 1239 1240
            status = STATUS_INVALID_PARAMETER;
            goto done;
        }

1241 1242
        if (append_write)
        {
1243
            offset_eof.QuadPart = FILE_WRITE_TO_END_OF_FILE;
1244 1245 1246
            offset = &offset_eof;
        }

1247
        if (offset && offset->QuadPart != FILE_USE_FILE_POINTER_POSITION)
1248
        {
1249 1250
            off_t off = offset->QuadPart;

1251
            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;
            }
1267

1268
            /* async I/O doesn't make sense on regular files */
1269
            while ((result = pwrite( unix_handle, buffer, length, off )) == -1)
1270
            {
1271 1272 1273 1274 1275 1276
                if (errno != EINTR)
                {
                    if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
                    else status = FILE_GetNtStatus();
                    goto done;
                }
1277
            }
1278

1279
            if (!async_write)
1280
                /* update file pointer position */
1281
                lseek( unix_handle, off + result, SEEK_SET );
1282

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            total = result;
            status = STATUS_SUCCESS;
            goto done;
        }
1287
    }
1288
    else if (type == FD_TYPE_SERIAL || type == FD_TYPE_DEVICE)
1289
    {
1290
        if (async_write &&
1291
            (!offset || (offset->QuadPart < 0 && offset->QuadPart != FILE_WRITE_TO_END_OF_FILE)))
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        {
            status = STATUS_INVALID_PARAMETER;
            goto done;
        }
    }
1297 1298 1299

    for (;;)
    {
1300
        /* zero-length writes on sockets may not work with plain write(2) */
1301
        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)
1307 1308 1309
        {
            total += result;
            if (total == length)
1310
            {
1311
                status = STATUS_SUCCESS;
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                goto done;
            }
1314
            if (type == FD_TYPE_FILE) continue;  /* no async I/O on regular files */
1315
        }
1316
        else if (errno != EAGAIN)
1317
        {
1318
            if (errno == EINTR) continue;
1319
            if (!total)
1320
            {
1321 1322
                if (errno == EFAULT) status = STATUS_INVALID_USER_BUFFER;
                else status = FILE_GetNtStatus();
1323
            }
1324
            goto err;
1325
        }
1326

1327
        if (async_write)
1328
        {
1329
            struct async_fileio_write *fileio;
1330

1331
            fileio = (struct async_fileio_write *)alloc_fileio( sizeof(*fileio), FILE_AsyncWriteService, hFile );
1332
            if (!fileio)
1333 1334
            {
                status = STATUS_NO_MEMORY;
1335
                goto err;
1336 1337 1338
            }
            fileio->already = total;
            fileio->count = length;
1339 1340 1341 1342 1343 1344
            fileio->buffer = buffer;

            SERVER_START_REQ( register_async )
            {
                req->type   = ASYNC_TYPE_WRITE;
                req->count  = length;
1345
                req->async  = server_async( hFile, &fileio->io, hEvent, apc, apc_user, io_status );
1346 1347 1348 1349 1350
                status = wine_server_call( req );
            }
            SERVER_END_REQ;

            if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, fileio );
1351
            goto err;
1352
        }
1353
        else  /* synchronous write, wait for the fd to become ready */
1354
        {
1355 1356 1357 1358 1359
            struct pollfd pfd;
            int ret, timeout;

            if (!timeout_init_done)
            {
1360
                timeout_init_done = TRUE;
1361
                if ((status = get_io_timeouts( hFile, type, length, FALSE, &timeouts )))
1362
                    goto err;
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                if (hEvent) NtResetEvent( hEvent, NULL );
            }
            timeout = get_next_io_timeout( &timeouts, total );

            pfd.fd = unix_handle;
1368
            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 */
1382
        }
1383 1384
    }

1385
done:
1386
    send_completion = cvalue != 0;
1387 1388

err:
1389
    if (needs_close) close( unix_handle );
1390 1391 1392 1393

    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 );
    }
1408

1409 1410
    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 );
1411

1412
    return ret_status;
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}

1415

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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;
1430
    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)
    {
1452
        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++;
        }
    }

1483
    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 );
    }
1501

1502
    if (send_completion) NTDLL_AddCompletion( file, cvalue, status, total, FALSE );
1503

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    return status;
}


1508
/* 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,
1512
                                   const void *in_buffer, ULONG in_size,
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                                   PVOID out_buffer, ULONG out_size )
{
1515
    struct async_irp *async;
1516
    NTSTATUS status;
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    HANDLE wait_handle;
    ULONG options;
1519

1520
    if (!(async = (struct async_irp *)alloc_fileio( sizeof(*async), irp_completion, handle )))
1521
        return STATUS_NO_MEMORY;
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    async->buffer  = out_buffer;
    async->size    = out_size;
1524

1525 1526
    SERVER_START_REQ( ioctl )
    {
1527 1528
        req->code  = code;
        req->async = server_async( handle, &async->io, event, apc, apc_context, io );
1529
        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 );
1532
        wine_server_set_reply( req, out_buffer, out_size );
1533
        status = virtual_locked_server_call( req );
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        wait_handle = wine_server_ptr_handle( reply->wait );
1535
        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);

1548 1549
    if (status != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

1550
    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
}

1578

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1579
/**************************************************************************
1580
 *		NtDeviceIoControlFile			[NTDLL.@]
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1581
 *		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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{
1607
    ULONG device = (code >> 16);
1608
    NTSTATUS status = STATUS_NOT_SUPPORTED;
1609

1610
    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)
1615
    {
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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:
1621 1622
        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:
1625 1626
        status = COMM_DeviceIoControl(handle, event, apc, apc_context, io, code,
                                      in_buffer, in_size, out_buffer, out_size);
1627
        break;
1628
    case FILE_DEVICE_TAPE:
1629 1630
        status = TAPE_DeviceIoControl(handle, event, apc, apc_context, io, code,
                                      in_buffer, in_size, out_buffer, out_size);
1631
        break;
1632 1633
    }

1634
    if (status == STATUS_NOT_SUPPORTED || status == STATUS_BAD_DEVICE_TYPE)
1635 1636
        return server_ioctl_file( handle, event, apc, apc_context, io, code,
                                  in_buffer, in_size, out_buffer, out_size );
1637

1638 1639
    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
1660 1661 1662 1663
 *
 * 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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{
1669 1670
    NTSTATUS status;

1671
    TRACE("(%p,%p,%p,%p,%p,0x%08x,%p,0x%08x,%p,0x%08x)\n",
1672 1673
          handle, event, apc, apc_context, io, code,
          in_buffer, in_size, out_buffer, out_size);
1674

1675
    if (!io) return STATUS_INVALID_PARAMETER;
1676

1677 1678
    ignore_server_ioctl_struct_holes( code, in_buffer, in_size );

1679
    switch(code)
1680
    {
1681
    case FSCTL_DISMOUNT_VOLUME:
1682 1683 1684
        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 );
1685
        return status;
1686

1687
    case FSCTL_PIPE_IMPERSONATE:
1688
        FIXME("FSCTL_PIPE_IMPERSONATE: impersonating self\n");
1689 1690 1691
        status = RtlImpersonateSelf( SecurityImpersonation );
        break;

1692
    case FSCTL_IS_VOLUME_MOUNTED:
1693 1694
    case FSCTL_LOCK_VOLUME:
    case FSCTL_UNLOCK_VOLUME:
1695
        FIXME("stub! return success - Unsupported fsctl %x (device=%x access=%x func=%x method=%x)\n",
1696
              code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
1697
        status = STATUS_SUCCESS;
1698 1699
        break;

1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721
    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;
    }
1722 1723 1724 1725 1726
    case FSCTL_SET_SPARSE:
        TRACE("FSCTL_SET_SPARSE: Ignoring request\n");
        io->Information = 0;
        status = STATUS_SUCCESS;
        break;
1727
    default:
1728 1729
        return server_ioctl_file( handle, event, apc, apc_context, io, code,
                                  in_buffer, in_size, out_buffer, out_size );
1730
    }
1731 1732 1733

    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];
};

1746
static NTSTATUS read_changes_apc( void *user, IO_STATUS_BLOCK *iosb, NTSTATUS status )
1747 1748
{
    struct read_changes_fileio *fileio = user;
1749
    int size = 0;
1750

1751
    if (status == STATUS_ALERTED)
1752
    {
1753
        SERVER_START_REQ( read_change )
1754
        {
1755 1756 1757 1758
            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 );
1759
        }
1760
        SERVER_END_REQ;
1761

1762
        if (status == STATUS_SUCCESS && fileio->buffer)
1763
        {
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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;
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                pfni->FileNameLength = ntdll_umbstowcs( event->name, event->len, pfni->FileName,
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                             (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;
2031
#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)
2211
        FIXME( "Unsupported info class %x\n", info_class );
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    return io->u.Status;

}

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/******************************************************************************
2217
 *  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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2308
    TRACE("(%p,%p,%p,0x%08x,0x%08x)\n", hFile, io, ptr, len, class);
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2310
    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;
2338

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            if (fd_get_file_info( fd, &st, &attr ) == -1) io->u.Status = FILE_GetNtStatus();
2340
            else
2341
            {
2342
                fill_file_info( &st, attr, info, class );
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                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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            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;
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            else if (!(io->u.Status = server_get_unix_name( hFile, &unix_name )))
2378
            {
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                LONG name_len = len - FIELD_OFFSET(FILE_ALL_INFORMATION, NameInformation.FileName);

2381
                fill_file_info( &st, attr, info, FileAllInformation );
2382
                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 )))
2420
                {
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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);
2441
                io->u.Status = fill_name_info( &unix_name, info, &name_len );
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                RtlFreeAnsiString( &unix_name );
2443
                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;
2504
    }
2505
    if (needs_close) close( fd );
2506
    if (io->u.Status == STATUS_SUCCESS && !io->Information) io->Information = info_sizes[class];
2507
    return io->u.Status;
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}

/******************************************************************************
2511
 *  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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{
2530
    int fd, needs_close;
2531

2532
    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))
2539
        {
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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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        }
2592
        else io->u.Status = STATUS_INVALID_PARAMETER_3;
2593
        break;
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    case FileEndOfFileInformation:
        if (len >= sizeof(FILE_END_OF_FILE_INFORMATION))
        {
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            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;
2616
            }
2617
            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 )
            {
2653
                req->handle = wine_server_obj_handle( handle );
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                req->flags = MAILSLOT_SET_READ_TIMEOUT;
2655
                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))
        {
2665
            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;

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    case FileDispositionInformation:
        if (len >= sizeof(FILE_DISPOSITION_INFORMATION))
        {
            FILE_DISPOSITION_INFORMATION *info = ptr;

2749
            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;

2846 2847
    default:
        FIXME("Unsupported class (%d)\n", class);
2848 2849
        io->u.Status = STATUS_NOT_IMPLEMENTED;
        break;
2850
    }
2851 2852 2853 2854 2855 2856
    io->Information = 0;
    return io->u.Status;
}


/******************************************************************************
2857
 *              NtQueryFullAttributesFile   (NTDLL.@)
2858
 */
2859 2860
NTSTATUS WINAPI NtQueryFullAttributesFile( const OBJECT_ATTRIBUTES *attr,
                                           FILE_NETWORK_OPEN_INFORMATION *info )
2861 2862 2863 2864
{
    ANSI_STRING unix_name;
    NTSTATUS status;

2865
    if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2866
    {
2867
        ULONG attributes;
2868 2869
        struct stat st;

2870
        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
        {
2876 2877 2878
            FILE_BASIC_INFORMATION basic;
            FILE_STANDARD_INFORMATION std;

2879 2880
            fill_file_info( &st, attributes, &basic, FileBasicInformation );
            fill_file_info( &st, attributes, &std, FileStandardInformation );
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            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 );
    }
2894
    else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
2895
    return status;
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}

2898

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/******************************************************************************
 *              NtQueryAttributesFile   (NTDLL.@)
 *              ZwQueryAttributesFile   (NTDLL.@)
 */
NTSTATUS WINAPI NtQueryAttributesFile( const OBJECT_ATTRIBUTES *attr, FILE_BASIC_INFORMATION *info )
{
2905
    ANSI_STRING unix_name;
2906 2907
    NTSTATUS status;

2908
    if (!(status = nt_to_unix_file_name_attr( attr, &unix_name, FILE_OPEN )))
2909
    {
2910
        ULONG attributes;
2911 2912
        struct stat st;

2913
        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
        {
2919
            status = fill_file_info( &st, attributes, info, FileBasicInformation );
2920 2921 2922 2923
            if (DIR_is_hidden_file( attr->ObjectName ))
                info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
        }
        RtlFreeAnsiString( &unix_name );
2924
    }
2925
    else WARN("%s not found (%x)\n", debugstr_us(attr->ObjectName), status );
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    return status;
}


2930
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
2931
/* helper for FILE_GetDeviceInfo to hide some platform differences in fstatfs */
2932
static inline void get_device_info_fstatfs( FILE_FS_DEVICE_INFORMATION *info, const char *fstypename,
2933
                                            unsigned int flags )
2934
{
2935
    if (!strcmp("cd9660", fstypename) || !strcmp("udf", fstypename))
2936 2937 2938 2939 2940
    {
        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;
    }
2941 2942
    else if (!strcmp("nfs", fstypename) || !strcmp("nwfs", fstypename) ||
             !strcmp("smbfs", fstypename) || !strcmp("afpfs", fstypename))
2943 2944 2945 2946
    {
        info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
        info->Characteristics |= FILE_REMOTE_DEVICE;
    }
2947
    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

2963
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)
2969
        return FALSE;
2970 2971 2972
    return !memcmp( buffer, wine_placeholder, sizeof(wine_placeholder) - 1 );
}

2973
/******************************************************************************
2974
 *              get_device_info
2975 2976 2977
 *
 * Implementation of the FileFsDeviceInformation query for NtQueryVolumeInformationFile.
 */
2978
static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998
{
    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 */
3030
        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 */
3036 3037 3038
        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;
        }
3053
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
3054 3055 3056 3057 3058
        struct statfs stfs;

        if (fstatfs( fd, &stfs ) < 0)
            info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
        else
3059
            get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flags );
3060 3061 3062 3063
#elif defined(__NetBSD__)
        struct statvfs stfs;

        if (fstatvfs( fd, &stfs) < 0)
3064
            info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
3065
        else
3066
            get_device_info_fstatfs( info, stfs.f_fstypename, stfs.f_flag );
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 3108
#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;
}


3109
/******************************************************************************
3110
 *  NtQueryVolumeInformationFile		[NTDLL.@]
Patrik Stridvall's avatar
Patrik Stridvall committed
3111
 *  ZwQueryVolumeInformationFile		[NTDLL.@]
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3112 3113 3114 3115
 *
 * 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
3123
 *  Success: 0. io and buffer are updated.
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3124
 *  Failure: An NTSTATUS error code describing the error.
3125
 */
3126 3127 3128
NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io,
                                              PVOID buffer, ULONG length,
                                              FS_INFORMATION_CLASS info_class )
3129
{
3130
    int fd, needs_close;
3131
    struct stat st;
3132
    static int once;
3133

3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145
    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;
3146
        return io->u.Status;
3147 3148
    }
    else if (io->u.Status) return io->u.Status;
3149

3150 3151
    io->u.Status = STATUS_NOT_IMPLEMENTED;
    io->Information = 0;
3152

3153 3154 3155
    switch( info_class )
    {
    case FileFsVolumeInformation:
3156
        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;
3167

3168 3169 3170 3171 3172 3173 3174 3175 3176
            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;
            }
3177 3178
            else
            {
3179
                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;
                }
3189
                bsize = stfs.f_frsize;
3190 3191 3192 3193 3194 3195 3196
#else
                struct statfs stfs;
                if (fstatfs( fd, &stfs ) < 0)
                {
                    io->u.Status = FILE_GetNtStatus();
                    break;
                }
3197
                bsize = stfs.f_bsize;
3198
#endif
3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210
                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);
3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222
                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;

3223
            if ((io->u.Status = get_device_info( fd, info )) == STATUS_SUCCESS)
3224
                io->Information = sizeof(*info);
3225 3226 3227
        }
        break;
    case FileFsAttributeInformation:
3228
        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;
        }
3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261
        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;
    }
3262
    if (needs_close) close( fd );
3263
    return io->u.Status;
3264
}
3265

3266

3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283
/******************************************************************
 *		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
3284
 *  Success: 0. Attributes read into buffer
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 3319
 *  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;
}


3320 3321
/******************************************************************
 *		NtFlushBuffersFile  (NTDLL.@)
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3322 3323 3324 3325 3326 3327 3328 3329 3330 3331
 *
 * 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.
3332
 */
3333
NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK *io )
3334 3335
{
    NTSTATUS ret;
3336
    HANDLE wait_handle;
3337 3338
    enum server_fd_type type;
    int fd, needs_close;
3339

3340
    if (!io || !virtual_check_buffer_for_write( io, sizeof(*io) )) return STATUS_ACCESS_VIOLATION;
3341

3342
    ret = server_get_unix_fd( hFile, FILE_WRITE_DATA, &fd, &needs_close, &type, NULL );
3343 3344
    if (ret == STATUS_ACCESS_DENIED)
        ret = server_get_unix_fd( hFile, FILE_APPEND_DATA, &fd, &needs_close, &type, NULL );
3345 3346

    if (!ret && type == FD_TYPE_SERIAL)
3347
    {
3348
        ret = COMM_FlushBuffersFile( fd );
3349
    }
3350
    else if (ret != STATUS_ACCESS_DENIED)
3351
    {
3352 3353 3354 3355 3356 3357 3358
        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;

3359
        SERVER_START_REQ( flush )
3360
        {
3361
            req->async = server_async( hFile, &async->io, NULL, NULL, NULL, io );
3362
            ret = wine_server_call( req );
3363 3364 3365 3366 3367 3368
            wait_handle = wine_server_ptr_handle( reply->event );
            if (wait_handle && ret != STATUS_PENDING)
            {
                io->u.Status    = ret;
                io->Information = 0;
            }
3369 3370
        }
        SERVER_END_REQ;
3371

3372 3373
        if (ret != STATUS_PENDING) RtlFreeHeap( GetProcessHeap(), 0, async );

3374
        if (wait_handle) ret = wait_async( wait_handle, FALSE, io );
3375
    }
3376 3377

    if (needs_close) close( fd );
3378 3379
    return ret;
}
3380 3381 3382 3383 3384 3385 3386

/******************************************************************
 *		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;
3395
    static BOOLEAN     warn = TRUE;
3396 3397 3398 3399 3400 3401 3402

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

3403 3404 3405 3406 3407
    if (apc_user && warn)
    {
        FIXME("I/O completion on lock not implemented yet\n");
        warn = FALSE;
    }
3408

3409 3410 3411 3412
    for (;;)
    {
        SERVER_START_REQ( lock_file )
        {
3413
            req->handle      = wine_server_obj_handle( hFile );
3414 3415
            req->offset      = offset->QuadPart;
            req->count       = count->QuadPart;
3416 3417 3418
            req->shared      = !exclusive;
            req->wait        = !dont_wait;
            ret = wine_server_call( req );
3419
            handle = wine_server_ptr_handle( reply->handle );
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 3446
            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;
3447
            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;

3464
    TRACE( "%p %x%08x %x%08x\n",
3465
           hFile, offset->u.HighPart, offset->u.LowPart, count->u.HighPart, count->u.LowPart );
3466 3467 3468 3469 3470 3471 3472 3473 3474

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

    SERVER_START_REQ( unlock_file )
    {
3475
        req->handle = wine_server_obj_handle( hFile );
3476 3477
        req->offset = offset->QuadPart;
        req->count  = count->QuadPart;
3478 3479 3480 3481 3482
        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 )
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{
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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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    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 )
    {
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        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;
}