1209 lines
38 KiB
C
1209 lines
38 KiB
C
/*
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* Volume management functions
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*
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* Copyright 1993 Erik Bos
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* Copyright 1996, 2004 Alexandre Julliard
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* Copyright 1999 Petr Tomasek
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* Copyright 2000 Andreas Mohr
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* Copyright 2003 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winnls.h"
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#include "winternl.h"
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#include "ntstatus.h"
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#include "winioctl.h"
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#include "ntddstor.h"
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#include "ntddcdrm.h"
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#include "kernel_private.h"
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#include "file.h"
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#include "wine/library.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(volume);
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#define SUPERBLOCK_SIZE 2048
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#define CDFRAMES_PERSEC 75
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#define CDFRAMES_PERMIN (CDFRAMES_PERSEC * 60)
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#define FRAME_OF_ADDR(a) ((a)[1] * CDFRAMES_PERMIN + (a)[2] * CDFRAMES_PERSEC + (a)[3])
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#define FRAME_OF_TOC(toc, idx) FRAME_OF_ADDR((toc)->TrackData[(idx) - (toc)->FirstTrack].Address)
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#define GETWORD(buf,off) MAKEWORD(buf[(off)],buf[(off+1)])
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#define GETLONG(buf,off) MAKELONG(GETWORD(buf,off),GETWORD(buf,off+2))
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enum fs_type
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{
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FS_ERROR, /* error accessing the device */
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FS_UNKNOWN, /* unknown file system */
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FS_FAT1216,
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FS_FAT32,
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FS_ISO9660
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};
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/* return default device to use for serial ports */
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/* result should not be more than 16 characters long */
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static BOOL get_default_com_device( char *buffer, int num )
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{
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if (!num || num > 9) return FALSE;
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#ifdef linux
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sprintf( buffer, "/dev/ttyS%d", num - 1 );
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return TRUE;
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#else
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FIXME( "no known default for device com%d\n", num );
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return FALSE;
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#endif
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}
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/* return default device to use for parallel ports */
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/* result should not be more than 16 characters long */
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static BOOL get_default_lpt_device( char *buffer, int num )
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{
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if (!num || num > 9) return FALSE;
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#ifdef linux
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sprintf( buffer, "/dev/lp%d", num - 1 );
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return TRUE;
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#else
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FIXME( "no known default for device lpt%d\n", num );
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return FALSE;
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#endif
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}
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/* read a Unix symlink; returned buffer must be freed by caller */
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static char *read_symlink( const char *path )
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{
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char *buffer;
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int ret, size = 128;
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for (;;)
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{
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if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size )))
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{
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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return 0;
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}
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ret = readlink( path, buffer, size );
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if (ret == -1)
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{
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FILE_SetDosError();
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HeapFree( GetProcessHeap(), 0, buffer );
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return 0;
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}
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if (ret != size)
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{
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buffer[ret] = 0;
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return buffer;
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}
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HeapFree( GetProcessHeap(), 0, buffer );
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size *= 2;
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}
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}
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/* get the path of a dos device symlink in the $WINEPREFIX/dosdevices directory */
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static char *get_dos_device_path( LPCWSTR name )
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{
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const char *config_dir = wine_get_config_dir();
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char *buffer, *dev;
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int i;
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if (!(buffer = HeapAlloc( GetProcessHeap(), 0,
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strlen(config_dir) + sizeof("/dosdevices/") + 5 )))
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{
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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return NULL;
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}
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strcpy( buffer, config_dir );
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strcat( buffer, "/dosdevices/" );
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dev = buffer + strlen(buffer);
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/* no codepage conversion, DOS device names are ASCII anyway */
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for (i = 0; i < 5; i++)
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if (!(dev[i] = (char)tolowerW(name[i]))) break;
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dev[5] = 0;
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return buffer;
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}
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/* create symlinks for the DOS drives; helper for VOLUME_CreateDevices */
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static int create_drives(void)
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{
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WCHAR name[3], rootW[MAX_PATHNAME_LEN];
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int i, count = 0;
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for (i = 0; i < 26; i++)
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{
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const char *root = DRIVE_GetRoot( i );
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if (!root) continue;
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name[0] = 'a' + i;
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name[1] = ':';
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name[2] = 0;
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if (MultiByteToWideChar( CP_UNIXCP, 0, root, -1, rootW, MAX_PATHNAME_LEN ) &&
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DefineDosDeviceW( DDD_RAW_TARGET_PATH, name, rootW ))
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{
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MESSAGE( "Created symlink %s/dosdevices/%c: -> %s\n", wine_get_config_dir(), 'a' + i, root );
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count++;
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}
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}
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return count;
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}
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/***********************************************************************
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* VOLUME_CreateDevices
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*
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* Create the device files for the new device naming scheme.
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* Should go away after a transition period.
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*/
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void VOLUME_CreateDevices(void)
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{
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const char *config_dir = wine_get_config_dir();
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char *buffer;
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int i, count = 0;
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if (!(buffer = HeapAlloc( GetProcessHeap(), 0,
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strlen(config_dir) + sizeof("/dosdevices") + 3 )))
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return;
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strcpy( buffer, config_dir );
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strcat( buffer, "/dosdevices" );
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if (!mkdir( buffer, 0777 )) /* we created it, so now create the devices */
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{
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HKEY hkey;
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DWORD dummy;
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW;
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WCHAR *p, *devnameW;
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char tmp[128];
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WCHAR com[5] = {'C','O','M','1',0};
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WCHAR lpt[5] = {'L','P','T','1',0};
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static const WCHAR serialportsW[] = {'M','a','c','h','i','n','e','\\',
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'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\','W','i','n','e','\\',
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'C','o','n','f','i','g','\\',
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'S','e','r','i','a','l','P','o','r','t','s',0};
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static const WCHAR parallelportsW[] = {'M','a','c','h','i','n','e','\\',
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'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\','W','i','n','e','\\',
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'C','o','n','f','i','g','\\',
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'P','a','r','a','l','l','e','l','P','o','r','t','s',0};
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitUnicodeString( &nameW, serialportsW );
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if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
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{
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RtlInitUnicodeString( &nameW, com );
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for (i = 1; i <= 9; i++)
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{
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com[3] = '0' + i;
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if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
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tmp, sizeof(tmp), &dummy ))
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{
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devnameW = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
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if ((p = strchrW( devnameW, ',' ))) *p = 0;
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if (DefineDosDeviceW( DDD_RAW_TARGET_PATH, com, devnameW ))
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{
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char devname[32];
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WideCharToMultiByte(CP_UNIXCP, 0, devnameW, -1,
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devname, sizeof(devname), NULL, NULL);
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MESSAGE( "Created symlink %s/dosdevices/com%d -> %s\n", config_dir, i, devname );
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count++;
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}
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}
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}
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NtClose( hkey );
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}
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RtlInitUnicodeString( &nameW, parallelportsW );
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if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
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{
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RtlInitUnicodeString( &nameW, lpt );
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for (i = 1; i <= 9; i++)
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{
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lpt[3] = '0' + i;
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if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
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tmp, sizeof(tmp), &dummy ))
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{
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devnameW = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
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if ((p = strchrW( devnameW, ',' ))) *p = 0;
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if (DefineDosDeviceW( DDD_RAW_TARGET_PATH, lpt, devnameW ))
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{
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char devname[32];
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WideCharToMultiByte(CP_UNIXCP, 0, devnameW, -1,
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devname, sizeof(devname), NULL, NULL);
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MESSAGE( "Created symlink %s/dosdevices/lpt%d -> %s\n", config_dir, i, devname );
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count++;
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}
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}
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}
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NtClose( hkey );
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}
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count += create_drives();
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}
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else
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{
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struct stat st;
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int i;
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/* it is possible that the serial/parallel devices have been created but */
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/* not the drives; check for at least one drive symlink to catch that case */
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strcat( buffer, "/a:" );
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for (i = 0; i < 26; i++)
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{
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buffer[strlen(buffer)-2] = 'a' + i;
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if (!lstat( buffer, &st )) break;
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}
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if (i == 26) count += create_drives();
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}
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if (count)
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MESSAGE( "\nYou can now remove the [SerialPorts] and [ParallelPorts] sections\n"
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"in your configuration file, as well as the \"Path=\" definitions in\n"
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"the drive sections, they are replaced by the above symlinks.\n\n" );
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HeapFree( GetProcessHeap(), 0, buffer );
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}
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/******************************************************************
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* VOLUME_OpenDevice
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*/
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HANDLE VOLUME_OpenDevice( LPCWSTR name, DWORD access, DWORD sharing,
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LPSECURITY_ATTRIBUTES sa, DWORD attributes )
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{
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char *buffer, *dev;
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HANDLE ret;
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if (!(buffer = get_dos_device_path( name ))) return 0;
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dev = strrchr( buffer, '/' ) + 1;
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for (;;)
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{
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TRACE("trying %s\n", buffer );
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ret = FILE_CreateFile( buffer, access, sharing, sa, OPEN_EXISTING, 0, 0, TRUE, DRIVE_FIXED );
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if (ret || GetLastError() != ERROR_FILE_NOT_FOUND) break;
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if (!dev) break;
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/* now try some defaults for it */
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if (!strcmp( dev, "aux" ))
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{
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strcpy( dev, "com1" );
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continue;
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}
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if (!strcmp( dev, "prn" ))
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{
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strcpy( dev, "lpt1" );
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continue;
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}
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if (!strcmp( dev, "nul" ))
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{
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strcpy( buffer, "/dev/null" );
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dev = NULL; /* last try */
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continue;
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}
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if (!strncmp( dev, "com", 3 ) && get_default_com_device( buffer, dev[3] - '0' ))
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{
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dev = NULL; /* last try */
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continue;
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}
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if (!strncmp( dev, "lpt", 3 ) && get_default_lpt_device( buffer, dev[3] - '0' ))
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{
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dev = NULL; /* last try */
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continue;
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}
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break;
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}
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if (!ret) ERR( "could not open device %s err %ld\n", debugstr_w(name), GetLastError() );
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HeapFree( GetProcessHeap(), 0, buffer );
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return ret;
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}
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/******************************************************************
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* VOLUME_FindCdRomDataBestVoldesc
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*/
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static DWORD VOLUME_FindCdRomDataBestVoldesc( HANDLE handle )
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{
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BYTE cur_vd_type, max_vd_type = 0;
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BYTE buffer[16];
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DWORD size, offs, best_offs = 0, extra_offs = 0;
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for (offs = 0x8000; offs <= 0x9800; offs += 0x800)
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{
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/* if 'CDROM' occurs at position 8, this is a pre-iso9660 cd, and
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* the volume label is displaced forward by 8
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*/
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if (SetFilePointer( handle, offs, NULL, FILE_BEGIN ) != offs) break;
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if (!ReadFile( handle, buffer, sizeof(buffer), &size, NULL )) break;
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if (size != sizeof(buffer)) break;
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/* check for non-ISO9660 signature */
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if (!memcmp( buffer + 11, "ROM", 3 )) extra_offs = 8;
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cur_vd_type = buffer[extra_offs];
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if (cur_vd_type == 0xff) /* voldesc set terminator */
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break;
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if (cur_vd_type > max_vd_type)
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{
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max_vd_type = cur_vd_type;
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best_offs = offs + extra_offs;
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}
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}
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return best_offs;
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}
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/***********************************************************************
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* VOLUME_ReadFATSuperblock
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*/
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static enum fs_type VOLUME_ReadFATSuperblock( HANDLE handle, BYTE *buff )
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{
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DWORD size;
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/* try a fixed disk, with a FAT partition */
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if (SetFilePointer( handle, 0, NULL, FILE_BEGIN ) != 0 ||
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!ReadFile( handle, buff, SUPERBLOCK_SIZE, &size, NULL ) ||
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size != SUPERBLOCK_SIZE)
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return FS_ERROR;
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if (buff[0] == 0xE9 || (buff[0] == 0xEB && buff[2] == 0x90))
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{
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/* guess which type of FAT we have */
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unsigned int sz, nsect, nclust;
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sz = GETWORD(buff, 0x16);
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if (!sz) sz = GETLONG(buff, 0x24);
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nsect = GETWORD(buff, 0x13);
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if (!nsect) nsect = GETLONG(buff, 0x20);
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nsect -= GETWORD(buff, 0x0e) + buff[0x10] * sz +
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(GETWORD(buff, 0x11) * 32 + (GETWORD(buff, 0x0b) - 1)) / GETWORD(buff, 0x0b);
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nclust = nsect / buff[0x0d];
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|
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if (nclust < 65525)
|
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{
|
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if (buff[0x26] == 0x29 && !memcmp(buff+0x36, "FAT", 3))
|
|
{
|
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/* FIXME: do really all FAT have their name beginning with
|
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* "FAT" ? (At least FAT12, FAT16 and FAT32 have :)
|
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*/
|
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return FS_FAT1216;
|
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}
|
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}
|
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else if (!memcmp(buff+0x52, "FAT", 3)) return FS_FAT32;
|
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}
|
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return FS_UNKNOWN;
|
|
}
|
|
|
|
|
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/***********************************************************************
|
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* VOLUME_ReadCDSuperblock
|
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*/
|
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static enum fs_type VOLUME_ReadCDSuperblock( HANDLE handle, BYTE *buff )
|
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{
|
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DWORD size, offs = VOLUME_FindCdRomDataBestVoldesc( handle );
|
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|
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if (!offs) return FS_UNKNOWN;
|
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|
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if (SetFilePointer( handle, offs, NULL, FILE_BEGIN ) != offs ||
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!ReadFile( handle, buff, SUPERBLOCK_SIZE, &size, NULL ) ||
|
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size != SUPERBLOCK_SIZE)
|
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return FS_ERROR;
|
|
|
|
/* check for iso9660 present */
|
|
if (!memcmp(&buff[1], "CD001", 5)) return FS_ISO9660;
|
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return FS_UNKNOWN;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* VOLUME_GetSuperblockLabel
|
|
*/
|
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static void VOLUME_GetSuperblockLabel( enum fs_type type, const BYTE *superblock,
|
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WCHAR *label, DWORD len )
|
|
{
|
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const BYTE *label_ptr = NULL;
|
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DWORD label_len;
|
|
|
|
switch(type)
|
|
{
|
|
case FS_ERROR:
|
|
case FS_UNKNOWN:
|
|
label_len = 0;
|
|
break;
|
|
case FS_FAT1216:
|
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label_ptr = superblock + 0x2b;
|
|
label_len = 11;
|
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break;
|
|
case FS_FAT32:
|
|
label_ptr = superblock + 0x47;
|
|
label_len = 11;
|
|
break;
|
|
case FS_ISO9660:
|
|
{
|
|
BYTE ver = superblock[0x5a];
|
|
|
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if (superblock[0x58] == 0x25 && superblock[0x59] == 0x2f && /* Unicode ID */
|
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((ver == 0x40) || (ver == 0x43) || (ver == 0x45)))
|
|
{ /* yippee, unicode */
|
|
int i;
|
|
|
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if (len > 17) len = 17;
|
|
for (i = 0; i < len-1; i++)
|
|
label[i] = (superblock[40+2*i] << 8) | superblock[41+2*i];
|
|
label[i] = 0;
|
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while (i && label[i-1] == ' ') label[--i] = 0;
|
|
return;
|
|
}
|
|
label_ptr = superblock + 40;
|
|
label_len = 32;
|
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break;
|
|
}
|
|
}
|
|
if (label_len) RtlMultiByteToUnicodeN( label, (len-1) * sizeof(WCHAR),
|
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&label_len, label_ptr, label_len );
|
|
label_len /= sizeof(WCHAR);
|
|
label[label_len] = 0;
|
|
while (label_len && label[label_len-1] == ' ') label[--label_len] = 0;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* VOLUME_SetSuperblockLabel
|
|
*/
|
|
static BOOL VOLUME_SetSuperblockLabel( enum fs_type type, HANDLE handle, const WCHAR *label )
|
|
{
|
|
BYTE label_data[11];
|
|
DWORD offset, len;
|
|
|
|
switch(type)
|
|
{
|
|
case FS_FAT1216:
|
|
offset = 0x2b;
|
|
break;
|
|
case FS_FAT32:
|
|
offset = 0x47;
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_ACCESS_DENIED );
|
|
return FALSE;
|
|
}
|
|
RtlUnicodeToMultiByteN( label_data, sizeof(label_data), &len,
|
|
label, strlenW(label) * sizeof(WCHAR) );
|
|
if (len < sizeof(label_data))
|
|
memset( label_data + len, ' ', sizeof(label_data) - len );
|
|
|
|
return (SetFilePointer( handle, offset, NULL, FILE_BEGIN ) == offset &&
|
|
WriteFile( handle, label_data, sizeof(label_data), &len, NULL ));
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* VOLUME_GetSuperblockSerial
|
|
*/
|
|
static DWORD VOLUME_GetSuperblockSerial( enum fs_type type, const BYTE *superblock )
|
|
{
|
|
switch(type)
|
|
{
|
|
case FS_ERROR:
|
|
case FS_UNKNOWN:
|
|
break;
|
|
case FS_FAT1216:
|
|
return GETLONG( superblock, 0x27 );
|
|
case FS_FAT32:
|
|
return GETLONG( superblock, 0x33 );
|
|
case FS_ISO9660:
|
|
{
|
|
BYTE sum[4];
|
|
int i;
|
|
|
|
sum[0] = sum[1] = sum[2] = sum[3] = 0;
|
|
for (i = 0; i < 2048; i += 4)
|
|
{
|
|
/* DON'T optimize this into DWORD !! (breaks overflow) */
|
|
sum[0] += superblock[i+0];
|
|
sum[1] += superblock[i+1];
|
|
sum[2] += superblock[i+2];
|
|
sum[3] += superblock[i+3];
|
|
}
|
|
/*
|
|
* OK, another braindead one... argh. Just believe it.
|
|
* Me$$ysoft chose to reverse the serial number in NT4/W2K.
|
|
* It's true and nobody will ever be able to change it.
|
|
*/
|
|
if (GetVersion() & 0x80000000)
|
|
return (sum[3] << 24) | (sum[2] << 16) | (sum[1] << 8) | sum[0];
|
|
else
|
|
return (sum[0] << 24) | (sum[1] << 16) | (sum[2] << 8) | sum[3];
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* VOLUME_GetAudioCDSerial
|
|
*/
|
|
static DWORD VOLUME_GetAudioCDSerial( const CDROM_TOC *toc )
|
|
{
|
|
DWORD serial = 0;
|
|
int i;
|
|
|
|
for (i = 0; i <= toc->LastTrack - toc->FirstTrack; i++)
|
|
serial += ((toc->TrackData[i].Address[1] << 16) |
|
|
(toc->TrackData[i].Address[2] << 8) |
|
|
toc->TrackData[i].Address[3]);
|
|
|
|
/*
|
|
* dwStart, dwEnd collect the beginning and end of the disc respectively, in
|
|
* frames.
|
|
* There it is collected for correcting the serial when there are less than
|
|
* 3 tracks.
|
|
*/
|
|
if (toc->LastTrack - toc->FirstTrack + 1 < 3)
|
|
{
|
|
DWORD dwStart = FRAME_OF_TOC(toc, toc->FirstTrack);
|
|
DWORD dwEnd = FRAME_OF_TOC(toc, toc->LastTrack + 1);
|
|
serial += dwEnd - dwStart;
|
|
}
|
|
return serial;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetVolumeInformationW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetVolumeInformationW( LPCWSTR root, LPWSTR label, DWORD label_len,
|
|
DWORD *serial, DWORD *filename_len, DWORD *flags,
|
|
LPWSTR fsname, DWORD fsname_len )
|
|
{
|
|
static const WCHAR audiocdW[] = {'A','u','d','i','o',' ','C','D',0};
|
|
static const WCHAR fatW[] = {'F','A','T',0};
|
|
static const WCHAR cdfsW[] = {'C','D','F','S',0};
|
|
|
|
WCHAR device[] = {'\\','\\','.','\\','A',':',0};
|
|
HANDLE handle;
|
|
enum fs_type type = FS_UNKNOWN;
|
|
|
|
if (!root)
|
|
{
|
|
WCHAR path[MAX_PATH];
|
|
GetCurrentDirectoryW( MAX_PATH, path );
|
|
device[4] = path[0];
|
|
}
|
|
else
|
|
{
|
|
if (!root[0] || root[1] != ':')
|
|
{
|
|
SetLastError( ERROR_INVALID_NAME );
|
|
return FALSE;
|
|
}
|
|
device[4] = root[0];
|
|
}
|
|
|
|
/* try to open the device */
|
|
|
|
handle = CreateFileW( device, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
BYTE superblock[SUPERBLOCK_SIZE];
|
|
CDROM_TOC toc;
|
|
DWORD br;
|
|
|
|
/* check for audio CD */
|
|
/* FIXME: we only check the first track for now */
|
|
if (DeviceIoControl( handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), &br, 0 ))
|
|
{
|
|
if (!(toc.TrackData[0].Control & 0x04)) /* audio track */
|
|
{
|
|
TRACE( "%s: found audio CD\n", debugstr_w(device) );
|
|
if (label) lstrcpynW( label, audiocdW, label_len );
|
|
if (serial) *serial = VOLUME_GetAudioCDSerial( &toc );
|
|
CloseHandle( handle );
|
|
type = FS_ISO9660;
|
|
goto fill_fs_info;
|
|
}
|
|
type = VOLUME_ReadCDSuperblock( handle, superblock );
|
|
}
|
|
else
|
|
{
|
|
type = VOLUME_ReadFATSuperblock( handle, superblock );
|
|
if (type == FS_UNKNOWN) type = VOLUME_ReadCDSuperblock( handle, superblock );
|
|
}
|
|
CloseHandle( handle );
|
|
TRACE( "%s: found fs type %d\n", debugstr_w(device), type );
|
|
if (type == FS_ERROR) return FALSE;
|
|
|
|
if (label && label_len) VOLUME_GetSuperblockLabel( type, superblock, label, label_len );
|
|
if (serial) *serial = VOLUME_GetSuperblockSerial( type, superblock );
|
|
goto fill_fs_info;
|
|
}
|
|
else
|
|
{
|
|
TRACE( "cannot open device %s: err %ld\n", debugstr_w(device), GetLastError() );
|
|
if (GetLastError() != ERROR_ACCESS_DENIED) return FALSE;
|
|
}
|
|
|
|
/* we couldn't open the device, fallback to default strategy */
|
|
|
|
switch(GetDriveTypeW( root ))
|
|
{
|
|
case DRIVE_UNKNOWN:
|
|
case DRIVE_NO_ROOT_DIR:
|
|
SetLastError( ERROR_NOT_READY );
|
|
return FALSE;
|
|
case DRIVE_REMOVABLE:
|
|
case DRIVE_FIXED:
|
|
case DRIVE_REMOTE:
|
|
case DRIVE_RAMDISK:
|
|
type = FS_UNKNOWN;
|
|
break;
|
|
case DRIVE_CDROM:
|
|
type = FS_ISO9660;
|
|
break;
|
|
}
|
|
|
|
if (label && label_len)
|
|
{
|
|
WCHAR labelW[] = {'A',':','\\','.','w','i','n','d','o','w','s','-','l','a','b','e','l',0};
|
|
|
|
labelW[0] = device[4];
|
|
handle = CreateFileW( labelW, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
|
|
OPEN_EXISTING, 0, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
char buffer[256], *p;
|
|
DWORD size;
|
|
|
|
if (!ReadFile( handle, buffer, sizeof(buffer)-1, &size, NULL )) size = 0;
|
|
CloseHandle( handle );
|
|
p = buffer + size;
|
|
while (p > buffer && (p[-1] == ' ' || p[-1] == '\r' || p[-1] == '\n')) p--;
|
|
*p = 0;
|
|
if (!MultiByteToWideChar( CP_UNIXCP, 0, buffer, -1, label, label_len ))
|
|
label[label_len-1] = 0;
|
|
}
|
|
else label[0] = 0;
|
|
}
|
|
if (serial)
|
|
{
|
|
WCHAR serialW[] = {'A',':','\\','.','w','i','n','d','o','w','s','-','s','e','r','i','a','l',0};
|
|
|
|
serialW[0] = device[4];
|
|
handle = CreateFileW( serialW, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
|
|
OPEN_EXISTING, 0, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
char buffer[32];
|
|
DWORD size;
|
|
|
|
if (!ReadFile( handle, buffer, sizeof(buffer)-1, &size, NULL )) size = 0;
|
|
CloseHandle( handle );
|
|
buffer[size] = 0;
|
|
*serial = strtoul( buffer, NULL, 16 );
|
|
}
|
|
else *serial = 0;
|
|
}
|
|
|
|
fill_fs_info: /* now fill in the information that depends on the file system type */
|
|
|
|
switch(type)
|
|
{
|
|
case FS_ISO9660:
|
|
if (fsname) lstrcpynW( fsname, cdfsW, fsname_len );
|
|
if (filename_len) *filename_len = 221;
|
|
if (flags) *flags = FILE_READ_ONLY_VOLUME;
|
|
break;
|
|
case FS_FAT1216:
|
|
case FS_FAT32:
|
|
default: /* default to FAT file system (FIXME) */
|
|
if (fsname) lstrcpynW( fsname, fatW, fsname_len );
|
|
if (filename_len) *filename_len = 255;
|
|
if (flags) *flags = FILE_CASE_PRESERVED_NAMES; /* FIXME */
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetVolumeInformationA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetVolumeInformationA( LPCSTR root, LPSTR label,
|
|
DWORD label_len, DWORD *serial,
|
|
DWORD *filename_len, DWORD *flags,
|
|
LPSTR fsname, DWORD fsname_len )
|
|
{
|
|
UNICODE_STRING rootW;
|
|
LPWSTR labelW, fsnameW;
|
|
BOOL ret;
|
|
|
|
if (root) RtlCreateUnicodeStringFromAsciiz(&rootW, root);
|
|
else rootW.Buffer = NULL;
|
|
labelW = label ? HeapAlloc(GetProcessHeap(), 0, label_len * sizeof(WCHAR)) : NULL;
|
|
fsnameW = fsname ? HeapAlloc(GetProcessHeap(), 0, fsname_len * sizeof(WCHAR)) : NULL;
|
|
|
|
if ((ret = GetVolumeInformationW(rootW.Buffer, labelW, label_len, serial,
|
|
filename_len, flags, fsnameW, fsname_len)))
|
|
{
|
|
if (label) WideCharToMultiByte(CP_ACP, 0, labelW, -1, label, label_len, NULL, NULL);
|
|
if (fsname) WideCharToMultiByte(CP_ACP, 0, fsnameW, -1, fsname, fsname_len, NULL, NULL);
|
|
}
|
|
|
|
RtlFreeUnicodeString(&rootW);
|
|
if (labelW) HeapFree( GetProcessHeap(), 0, labelW );
|
|
if (fsnameW) HeapFree( GetProcessHeap(), 0, fsnameW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* SetVolumeLabelW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetVolumeLabelW( LPCWSTR root, LPCWSTR label )
|
|
{
|
|
WCHAR device[] = {'\\','\\','.','\\','A',':',0};
|
|
HANDLE handle;
|
|
enum fs_type type = FS_UNKNOWN;
|
|
|
|
if (!root)
|
|
{
|
|
WCHAR path[MAX_PATH];
|
|
GetCurrentDirectoryW( MAX_PATH, path );
|
|
device[4] = path[0];
|
|
}
|
|
else
|
|
{
|
|
if (!root[0] || root[1] != ':')
|
|
{
|
|
SetLastError( ERROR_INVALID_NAME );
|
|
return FALSE;
|
|
}
|
|
device[4] = root[0];
|
|
}
|
|
|
|
/* try to open the device */
|
|
|
|
handle = CreateFileW( device, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle == INVALID_HANDLE_VALUE)
|
|
{
|
|
/* try read-only */
|
|
handle = CreateFileW( device, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
|
|
NULL, OPEN_EXISTING, 0, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
/* device can be read but not written, return error */
|
|
CloseHandle( handle );
|
|
SetLastError( ERROR_ACCESS_DENIED );
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
BYTE superblock[SUPERBLOCK_SIZE];
|
|
BOOL ret;
|
|
|
|
type = VOLUME_ReadFATSuperblock( handle, superblock );
|
|
ret = VOLUME_SetSuperblockLabel( type, handle, label );
|
|
CloseHandle( handle );
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
TRACE( "cannot open device %s: err %ld\n", debugstr_w(device), GetLastError() );
|
|
if (GetLastError() != ERROR_ACCESS_DENIED) return FALSE;
|
|
}
|
|
|
|
/* we couldn't open the device, fallback to default strategy */
|
|
|
|
switch(GetDriveTypeW( root ))
|
|
{
|
|
case DRIVE_UNKNOWN:
|
|
case DRIVE_NO_ROOT_DIR:
|
|
SetLastError( ERROR_NOT_READY );
|
|
break;
|
|
case DRIVE_REMOVABLE:
|
|
case DRIVE_FIXED:
|
|
{
|
|
WCHAR labelW[] = {'A',':','\\','.','w','i','n','d','o','w','s','-','l','a','b','e','l',0};
|
|
|
|
labelW[0] = device[4];
|
|
handle = CreateFileW( labelW, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
|
|
CREATE_ALWAYS, 0, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
char buffer[64];
|
|
DWORD size;
|
|
|
|
if (!WideCharToMultiByte( CP_UNIXCP, 0, label, -1, buffer, sizeof(buffer), NULL, NULL ))
|
|
buffer[sizeof(buffer)-1] = 0;
|
|
WriteFile( handle, buffer, strlen(buffer), &size, NULL );
|
|
CloseHandle( handle );
|
|
return TRUE;
|
|
}
|
|
break;
|
|
}
|
|
case DRIVE_REMOTE:
|
|
case DRIVE_RAMDISK:
|
|
case DRIVE_CDROM:
|
|
SetLastError( ERROR_ACCESS_DENIED );
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetVolumeLabelA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetVolumeLabelA(LPCSTR root, LPCSTR volname)
|
|
{
|
|
UNICODE_STRING rootW, volnameW;
|
|
BOOL ret;
|
|
|
|
if (root) RtlCreateUnicodeStringFromAsciiz(&rootW, root);
|
|
else rootW.Buffer = NULL;
|
|
if (volname) RtlCreateUnicodeStringFromAsciiz(&volnameW, volname);
|
|
else volnameW.Buffer = NULL;
|
|
|
|
ret = SetVolumeLabelW( rootW.Buffer, volnameW.Buffer );
|
|
|
|
RtlFreeUnicodeString(&rootW);
|
|
RtlFreeUnicodeString(&volnameW);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetVolumeNameForVolumeMountPointW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetVolumeNameForVolumeMountPointW(LPCWSTR str, LPWSTR dst, DWORD size)
|
|
{
|
|
FIXME("(%s, %p, %lx): stub\n", debugstr_w(str), dst, size);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DefineDosDeviceW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI DefineDosDeviceW( DWORD flags, LPCWSTR devname, LPCWSTR targetpath )
|
|
{
|
|
DWORD len, dosdev;
|
|
BOOL ret = FALSE;
|
|
char *path = NULL, *target, *p;
|
|
|
|
if (!(flags & DDD_RAW_TARGET_PATH))
|
|
{
|
|
FIXME( "(0x%08lx,%s,%s) DDD_RAW_TARGET_PATH flag not set, not supported yet\n",
|
|
flags, debugstr_w(devname), debugstr_w(targetpath) );
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
len = WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, NULL, 0, NULL, NULL );
|
|
if ((target = HeapAlloc( GetProcessHeap(), 0, len )))
|
|
{
|
|
WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, target, len, NULL, NULL );
|
|
for (p = target; *p; p++) if (*p == '\\') *p = '/';
|
|
}
|
|
else
|
|
{
|
|
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
|
|
return FALSE;
|
|
}
|
|
|
|
/* first check for a DOS device */
|
|
|
|
if ((dosdev = RtlIsDosDeviceName_U( devname )))
|
|
{
|
|
WCHAR name[5];
|
|
|
|
memcpy( name, devname + HIWORD(dosdev)/sizeof(WCHAR), LOWORD(dosdev) );
|
|
name[LOWORD(dosdev)/sizeof(WCHAR)] = 0;
|
|
path = get_dos_device_path( name );
|
|
}
|
|
else if (isalphaW(devname[0]) && devname[1] == ':' && !devname[2]) /* drive mapping */
|
|
{
|
|
path = get_dos_device_path( devname );
|
|
}
|
|
else SetLastError( ERROR_FILE_NOT_FOUND );
|
|
|
|
if (path)
|
|
{
|
|
TRACE( "creating symlink %s -> %s\n", path, target );
|
|
unlink( path );
|
|
if (!symlink( target, path )) ret = TRUE;
|
|
else FILE_SetDosError();
|
|
HeapFree( GetProcessHeap(), 0, path );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, target );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DefineDosDeviceA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI DefineDosDeviceA(DWORD flags, LPCSTR devname, LPCSTR targetpath)
|
|
{
|
|
UNICODE_STRING d, t;
|
|
BOOL ret;
|
|
|
|
if (!RtlCreateUnicodeStringFromAsciiz(&d, devname))
|
|
{
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return FALSE;
|
|
}
|
|
if (!RtlCreateUnicodeStringFromAsciiz(&t, targetpath))
|
|
{
|
|
RtlFreeUnicodeString(&d);
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
return FALSE;
|
|
}
|
|
ret = DefineDosDeviceW(flags, d.Buffer, t.Buffer);
|
|
RtlFreeUnicodeString(&d);
|
|
RtlFreeUnicodeString(&t);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* QueryDosDeviceW (KERNEL32.@)
|
|
*
|
|
* returns array of strings terminated by \0, terminated by \0
|
|
*/
|
|
DWORD WINAPI QueryDosDeviceW( LPCWSTR devname, LPWSTR target, DWORD bufsize )
|
|
{
|
|
static const WCHAR auxW[] = {'A','U','X',0};
|
|
static const WCHAR nulW[] = {'N','U','L',0};
|
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static const WCHAR prnW[] = {'P','R','N',0};
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static const WCHAR comW[] = {'C','O','M',0};
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static const WCHAR lptW[] = {'L','P','T',0};
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static const WCHAR com0W[] = {'C','O','M','0',0};
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static const WCHAR com1W[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\','C','O','M','1',0,0};
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static const WCHAR lpt1W[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\','L','P','T','1',0,0};
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char buffer[16];
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struct stat st;
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if (!bufsize)
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{
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SetLastError( ERROR_INSUFFICIENT_BUFFER );
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return 0;
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}
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if (devname)
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{
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WCHAR *p, name[5];
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char *path, *link;
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DWORD dosdev, ret = 0;
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if ((dosdev = RtlIsDosDeviceName_U( devname )))
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{
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memcpy( name, devname + HIWORD(dosdev)/sizeof(WCHAR), LOWORD(dosdev) );
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name[LOWORD(dosdev)/sizeof(WCHAR)] = 0;
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}
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else if (devname[0] && devname[1] == ':' && !devname[2])
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{
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memcpy( name, devname, 3 * sizeof(WCHAR) );
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}
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else
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{
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SetLastError( ERROR_BAD_PATHNAME );
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return 0;
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}
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if (!(path = get_dos_device_path( name ))) return 0;
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link = read_symlink( path );
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HeapFree( GetProcessHeap(), 0, path );
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if (link)
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{
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ret = MultiByteToWideChar( CP_UNIXCP, 0, link, -1, target, bufsize );
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HeapFree( GetProcessHeap(), 0, link );
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}
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else if (dosdev) /* look for device defaults */
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{
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if (!strcmpiW( name, auxW ))
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{
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if (bufsize >= sizeof(com1W)/sizeof(WCHAR))
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{
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memcpy( target, com1W, sizeof(com1W) );
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ret = sizeof(com1W)/sizeof(WCHAR);
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}
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else SetLastError( ERROR_INSUFFICIENT_BUFFER );
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return ret;
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}
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if (!strcmpiW( name, prnW ))
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{
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if (bufsize >= sizeof(lpt1W)/sizeof(WCHAR))
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{
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memcpy( target, lpt1W, sizeof(lpt1W) );
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ret = sizeof(lpt1W)/sizeof(WCHAR);
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}
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else SetLastError( ERROR_INSUFFICIENT_BUFFER );
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return ret;
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}
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buffer[0] = 0;
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if (!strcmpiW( name, nulW ))
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strcpy( buffer, "/dev/null" );
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else if (!strncmpiW( name, comW, 3 ))
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get_default_com_device( buffer, name[3] - '0' );
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else if (!strncmpiW( name, lptW, 3 ))
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get_default_lpt_device( buffer, name[3] - '0' );
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if (buffer[0] && !stat( buffer, &st ))
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ret = MultiByteToWideChar( CP_UNIXCP, 0, buffer, -1, target, bufsize );
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else
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SetLastError( ERROR_FILE_NOT_FOUND );
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}
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|
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if (ret)
|
|
{
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|
if (ret < bufsize) target[ret++] = 0; /* add an extra null */
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for (p = target; *p; p++) if (*p == '/') *p = '\\';
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}
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|
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return ret;
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|
}
|
|
else /* return a list of all devices */
|
|
{
|
|
WCHAR *p = target;
|
|
char *path, *dev, buffer[16];
|
|
int i;
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|
|
|
if (bufsize <= (sizeof(auxW)+sizeof(nulW)+sizeof(prnW))/sizeof(WCHAR))
|
|
{
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
return 0;
|
|
}
|
|
|
|
memcpy( p, auxW, sizeof(auxW) );
|
|
p += sizeof(auxW) / sizeof(WCHAR);
|
|
memcpy( p, nulW, sizeof(nulW) );
|
|
p += sizeof(nulW) / sizeof(WCHAR);
|
|
memcpy( p, prnW, sizeof(prnW) );
|
|
p += sizeof(prnW) / sizeof(WCHAR);
|
|
|
|
if (!(path = get_dos_device_path( com0W ))) return 0;
|
|
dev = strrchr( path, '/' ) + 1;
|
|
|
|
for (i = 1; i <= 9; i++)
|
|
{
|
|
sprintf( dev, "com%d", i );
|
|
if (!stat( path, &st ) ||
|
|
(get_default_com_device( buffer, i ) && !stat( buffer, &st )))
|
|
{
|
|
if (p + 5 >= target + bufsize)
|
|
{
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
return 0;
|
|
}
|
|
strcpyW( p, comW );
|
|
p[3] = '0' + i;
|
|
p[4] = 0;
|
|
p += 5;
|
|
}
|
|
}
|
|
for (i = 1; i <= 9; i++)
|
|
{
|
|
sprintf( dev, "lpt%d", i );
|
|
if (!stat( path, &st ) ||
|
|
(get_default_lpt_device( buffer, i ) && !stat( buffer, &st )))
|
|
{
|
|
if (p + 5 >= target + bufsize)
|
|
{
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
return 0;
|
|
}
|
|
strcpyW( p, lptW );
|
|
p[3] = '0' + i;
|
|
p[4] = 0;
|
|
p += 5;
|
|
}
|
|
}
|
|
for (i = 0; i < 26; i++)
|
|
{
|
|
sprintf( dev, "%c:", 'a' + i );
|
|
if (!stat( path, &st ))
|
|
{
|
|
if (p + 3 >= target + bufsize)
|
|
{
|
|
SetLastError( ERROR_INSUFFICIENT_BUFFER );
|
|
return 0;
|
|
}
|
|
*p++ = 'A' + i;
|
|
*p++ = ':';
|
|
*p++ = 0;
|
|
}
|
|
}
|
|
*p++ = 0; /* terminating null */
|
|
return p - target;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* QueryDosDeviceA (KERNEL32.@)
|
|
*
|
|
* returns array of strings terminated by \0, terminated by \0
|
|
*/
|
|
DWORD WINAPI QueryDosDeviceA( LPCSTR devname, LPSTR target, DWORD bufsize )
|
|
{
|
|
DWORD ret = 0, retW;
|
|
UNICODE_STRING devnameW;
|
|
LPWSTR targetW = HeapAlloc( GetProcessHeap(),0, bufsize * sizeof(WCHAR) );
|
|
|
|
if (!targetW)
|
|
{
|
|
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
|
|
return 0;
|
|
}
|
|
|
|
if (devname) RtlCreateUnicodeStringFromAsciiz(&devnameW, devname);
|
|
else devnameW.Buffer = NULL;
|
|
|
|
retW = QueryDosDeviceW(devnameW.Buffer, targetW, bufsize);
|
|
|
|
ret = WideCharToMultiByte(CP_ACP, 0, targetW, retW, target, bufsize, NULL, NULL);
|
|
|
|
RtlFreeUnicodeString(&devnameW);
|
|
HeapFree(GetProcessHeap(), 0, targetW);
|
|
return ret;
|
|
}
|