📄 ioctl.c
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/*****************************************************************************
* ioctl.c: DVD ioctl replacement function
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: ioctl.c,v 1.2 2004/11/20 20:19:30 jbors Exp $
*
* Authors: Markus Kuespert <ltlBeBoy@beosmail.com>
* Samuel Hocevar <sam@zoy.org>
* Jon Lech Johansen <jon-vl@nanocrew.net>
* H錵an Hjort <d95hjort@dtek.chalmers.se>
* Eugenio Jarosiewicz <ej0@cise.ufl.edu>
* David Sieb鰎ger <drs-videolan@rucus.ru.ac.za>
* Alex Strelnikov <lelik@os2.ru>
* Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
//#include "config.h"
#include <stdio.h>
#include <string.h> /* memcpy(), memset() */
#include <sys/types.h>
#if defined( WIN32 ) || defined( SYS_CYGWIN )
# include <windows.h>
# include <winioctl.h>
#elif defined ( SYS_OS2 )
# define INCL_DOSFILEMGR
# define INCL_DOSDEVICES
# define INCL_DOSDEVIOCTL
# define INCL_DOSERRORS
# include <os2.h>
# include <sys/ioctl.h>
#else
# include <netinet/in.h>
# include <sys/ioctl.h>
#endif
#ifdef DVD_STRUCT_IN_SYS_CDIO_H
# include <sys/cdio.h>
#endif
#ifdef DVD_STRUCT_IN_SYS_DVDIO_H
# include <sys/dvdio.h>
#endif
#ifdef DVD_STRUCT_IN_LINUX_CDROM_H
# include <linux/cdrom.h>
#endif
#ifdef DVD_STRUCT_IN_DVD_H
# include <dvd.h>
#endif
#ifdef DVD_STRUCT_IN_BSDI_DVDIOCTL_DVD_H
# include "bsdi_dvd.h"
#endif
#ifdef SYS_BEOS
# include <malloc.h>
# include <scsi.h>
#endif
#ifdef HPUX_SCTL_IO
# include <sys/scsi.h>
#endif
#ifdef SOLARIS_USCSI
# include <unistd.h>
# include <stropts.h>
# include <sys/scsi/scsi_types.h>
# include <sys/scsi/impl/uscsi.h>
#endif
#ifdef DARWIN_DVD_IOCTL
# include <IOKit/storage/IODVDMediaBSDClient.h>
#endif
#ifdef __QNXNTO__
# include <sys/mman.h>
# include <sys/dcmd_cam.h>
#endif
#include "common.h"
#include "ioctl.h"
/*****************************************************************************
* Local prototypes, BeOS specific
*****************************************************************************/
#if defined( SYS_BEOS )
static void BeInitRDC ( raw_device_command *, int );
#endif
/*****************************************************************************
* Local prototypes, HP-UX specific
*****************************************************************************/
#if defined( HPUX_SCTL_IO )
static void HPUXInitSCTL ( struct sctl_io *sctl_io, int i_type );
#endif
/*****************************************************************************
* Local prototypes, Solaris specific
*****************************************************************************/
#if defined( SOLARIS_USCSI )
static void SolarisInitUSCSI( struct uscsi_cmd *p_sc, int i_type );
#endif
/*****************************************************************************
* Local prototypes, win32 (aspi) specific
*****************************************************************************/
#if defined( WIN32 )
static void WinInitSPTD ( SCSI_PASS_THROUGH_DIRECT *, int );
static void WinInitSSC ( struct SRB_ExecSCSICmd *, int );
static int WinSendSSC ( int, struct SRB_ExecSCSICmd * );
#endif
/*****************************************************************************
* Local prototypes, QNX specific
*****************************************************************************/
#if defined( __QNXNTO__ )
static void QNXInitCPT ( CAM_PASS_THRU *, int );
#endif
/*****************************************************************************
* Local prototypes, OS2 specific
*****************************************************************************/
#if defined( SYS_OS2 )
static void OS2InitSDC( struct OS2_ExecSCSICmd *, int );
#endif
/*****************************************************************************
* ioctl_ReadCopyright: check whether the disc is encrypted or not
*****************************************************************************/
int ioctl_ReadCopyright( int i_fd, int i_layer, int *pi_copyright )
{
int i_ret;
#if defined( HAVE_LINUX_DVD_STRUCT )
dvd_struct dvd;
memset( &dvd, 0, sizeof( dvd ) );
dvd.type = DVD_STRUCT_COPYRIGHT;
dvd.copyright.layer_num = i_layer;
i_ret = ioctl( i_fd, DVD_READ_STRUCT, &dvd );
*pi_copyright = dvd.copyright.cpst;
#elif defined( HAVE_BSD_DVD_STRUCT )
struct dvd_struct dvd;
memset( &dvd, 0, sizeof( dvd ) );
dvd.format = DVD_STRUCT_COPYRIGHT;
dvd.layer_num = i_layer;
i_ret = ioctl( i_fd, DVDIOCREADSTRUCTURE, &dvd );
*pi_copyright = dvd.cpst;
#elif defined( SYS_BEOS )
INIT_RDC( GPCMD_READ_DVD_STRUCTURE, 8 );
rdc.command[ 6 ] = i_layer;
rdc.command[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = ioctl( i_fd, B_RAW_DEVICE_COMMAND, &rdc, sizeof(rdc) );
*pi_copyright = p_buffer[ 4 ];
#elif defined( HPUX_SCTL_IO )
INIT_SCTL_IO( GPCMD_READ_DVD_STRUCTURE, 8 );
sctl_io.cdb[ 6 ] = i_layer;
sctl_io.cdb[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = ioctl( i_fd, SIOC_IO, &sctl_io );
*pi_copyright = p_buffer[ 4 ];
#elif defined( SOLARIS_USCSI )
INIT_USCSI( GPCMD_READ_DVD_STRUCTURE, 8 );
rs_cdb.cdb_opaque[ 6 ] = i_layer;
rs_cdb.cdb_opaque[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = ioctl(i_fd, USCSICMD, &sc);
if( i_ret < 0 || sc.uscsi_status ) {
i_ret = -1;
}
*pi_copyright = p_buffer[ 4 ];
/* s->copyright.rmi = p_buffer[ 5 ]; */
#elif defined( DARWIN_DVD_IOCTL )
INIT_DVDIOCTL( dk_dvd_read_structure_t, DVDCopyrightInfo,
kDVDStructureFormatCopyrightInfo );
dvd.layer = i_layer;
i_ret = ioctl( i_fd, DKIOCDVDREADSTRUCTURE, &dvd );
*pi_copyright = dvdbs.copyrightProtectionSystemType;
#elif defined( WIN32 ) || defined( SYS_CYGWIN )
if( WIN2K ) /* NT/2k/XP */
{
INIT_SPTD( GPCMD_READ_DVD_STRUCTURE, 8 );
/* When using IOCTL_DVD_READ_STRUCTURE and
DVD_COPYRIGHT_DESCRIPTOR, CopyrightProtectionType
seems to be always 6 ???
To work around this MS bug we try to send a raw scsi command
instead (if we've got enough privileges to do so). */
sptd.Cdb[ 6 ] = i_layer;
sptd.Cdb[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = SEND_SPTD( i_fd, &sptd, &tmp );
if( i_ret == 0 )
{
*pi_copyright = p_buffer[ 4 ];
}
}
else
{
INIT_SSC( GPCMD_READ_DVD_STRUCTURE, 8 );
ssc.CDBByte[ 6 ] = i_layer;
ssc.CDBByte[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = WinSendSSC( i_fd, &ssc );
*pi_copyright = p_buffer[ 4 ];
}
#elif defined( __QNXNTO__ )
INIT_CPT( GPCMD_READ_DVD_STRUCTURE, 8 );
p_cpt->cam_cdb[ 6 ] = i_layer;
p_cpt->cam_cdb[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = devctl(i_fd, DCMD_CAM_PASS_THRU, p_cpt, structSize, NULL);
*pi_copyright = p_buffer[4];
#elif defined( SYS_OS2 )
INIT_SSC( GPCMD_READ_DVD_STRUCTURE, 8 );
sdc.command[ 6 ] = i_layer;
sdc.command[ 7 ] = DVD_STRUCT_COPYRIGHT;
i_ret = DosDevIOCtl(i_fd, IOCTL_CDROMDISK, CDROMDISK_EXECMD,
&sdc, sizeof(sdc), &ulParamLen,
p_buffer, sizeof(p_buffer), &ulDataLen);
*pi_copyright = p_buffer[ 4 ];
#else
# error "DVD ioctls are unavailable on this system"
#endif
return i_ret;
}
/*****************************************************************************
* ioctl_ReadDiscKey: get the disc key
*****************************************************************************/
int ioctl_ReadDiscKey( int i_fd, int *pi_agid, uint8_t *p_key )
{
int i_ret;
#if defined( HAVE_LINUX_DVD_STRUCT )
dvd_struct dvd;
memset( &dvd, 0, sizeof( dvd ) );
dvd.type = DVD_STRUCT_DISCKEY;
dvd.disckey.agid = *pi_agid;
memset( dvd.disckey.value, 0, DVD_DISCKEY_SIZE );
i_ret = ioctl( i_fd, DVD_READ_STRUCT, &dvd );
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, dvd.disckey.value, DVD_DISCKEY_SIZE );
#elif defined( HAVE_BSD_DVD_STRUCT )
struct dvd_struct dvd;
memset( &dvd, 0, sizeof( dvd ) );
dvd.format = DVD_STRUCT_DISCKEY;
dvd.agid = *pi_agid;
memset( dvd.data, 0, DVD_DISCKEY_SIZE );
i_ret = ioctl( i_fd, DVDIOCREADSTRUCTURE, &dvd );
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, dvd.data, DVD_DISCKEY_SIZE );
#elif defined( SYS_BEOS )
INIT_RDC( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
rdc.command[ 7 ] = DVD_STRUCT_DISCKEY;
rdc.command[ 10 ] = *pi_agid << 6;
i_ret = ioctl( i_fd, B_RAW_DEVICE_COMMAND, &rdc, sizeof(rdc) );
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
#elif defined( HPUX_SCTL_IO )
INIT_SCTL_IO( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
sctl_io.cdb[ 7 ] = DVD_STRUCT_DISCKEY;
sctl_io.cdb[ 10 ] = *pi_agid << 6;
i_ret = ioctl( i_fd, SIOC_IO, &sctl_io );
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
#elif defined( SOLARIS_USCSI )
INIT_USCSI( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
rs_cdb.cdb_opaque[ 7 ] = DVD_STRUCT_DISCKEY;
rs_cdb.cdb_opaque[ 10 ] = *pi_agid << 6;
i_ret = ioctl( i_fd, USCSICMD, &sc );
if( i_ret < 0 || sc.uscsi_status )
{
i_ret = -1;
return i_ret;
}
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
#elif defined( DARWIN_DVD_IOCTL )
INIT_DVDIOCTL( dk_dvd_read_structure_t, DVDDiscKeyInfo,
kDVDStructureFormatDiscKeyInfo );
dvd.grantID = *pi_agid;
i_ret = ioctl( i_fd, DKIOCDVDREADSTRUCTURE, &dvd );
memcpy( p_key, dvdbs.discKeyStructures, DVD_DISCKEY_SIZE );
#elif defined( WIN32 ) || defined( SYS_CYGWIN )
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
uint8_t buffer[DVD_DISK_KEY_LENGTH];
PDVD_COPY_PROTECT_KEY key = (PDVD_COPY_PROTECT_KEY) &buffer;
memset( &buffer, 0, sizeof( buffer ) );
key->KeyLength = DVD_DISK_KEY_LENGTH;
key->SessionId = *pi_agid;
key->KeyType = DvdDiskKey;
key->KeyFlags = 0;
i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_DVD_READ_KEY, key,
key->KeyLength, key, key->KeyLength, &tmp, NULL ) ? 0 : -1;
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, key->KeyData, DVD_DISCKEY_SIZE );
}
else
{
INIT_SSC( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
ssc.CDBByte[ 7 ] = DVD_STRUCT_DISCKEY;
ssc.CDBByte[ 10 ] = *pi_agid << 6;
i_ret = WinSendSSC( i_fd, &ssc );
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
}
#elif defined( __QNXNTO__ )
INIT_CPT( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
p_cpt->cam_cdb[ 7 ] = DVD_STRUCT_DISCKEY;
p_cpt->cam_cdb[ 10 ] = *pi_agid << 6;
i_ret = devctl(i_fd, DCMD_CAM_PASS_THRU, p_cpt, structSize, NULL);
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
#elif defined ( SYS_OS2 )
INIT_SSC( GPCMD_READ_DVD_STRUCTURE, DVD_DISCKEY_SIZE + 4 );
sdc.command[ 7 ] = DVD_STRUCT_DISCKEY;
sdc.command[ 10 ] = *pi_agid << 6;
i_ret = DosDevIOCtl(i_fd, IOCTL_CDROMDISK, CDROMDISK_EXECMD,
&sdc, sizeof(sdc), &ulParamLen,
p_buffer, sizeof(p_buffer), &ulDataLen);
if( i_ret < 0 )
{
return i_ret;
}
memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
#else
# error "DVD ioctls are unavailable on this system"
#endif
return i_ret;
}
/*****************************************************************************
* ioctl_ReadTitleKey: get the title key
*****************************************************************************/
int ioctl_ReadTitleKey( int i_fd, int *pi_agid, int i_pos, uint8_t *p_key )
{
int i_ret;
#if defined( HAVE_LINUX_DVD_STRUCT )
dvd_authinfo auth_info;
memset( &auth_info, 0, sizeof( auth_info ) );
auth_info.type = DVD_LU_SEND_TITLE_KEY;
auth_info.lstk.agid = *pi_agid;
auth_info.lstk.lba = i_pos;
i_ret = ioctl( i_fd, DVD_AUTH, &auth_info );
memcpy( p_key, auth_info.lstk.title_key, DVD_KEY_SIZE );
#elif defined( HAVE_BSD_DVD_STRUCT )
struct dvd_authinfo auth_info;
memset( &auth_info, 0, sizeof( auth_info ) );
auth_info.format = DVD_REPORT_TITLE_KEY;
auth_info.agid = *pi_agid;
auth_info.lba = i_pos;
i_ret = ioctl( i_fd, DVDIOCREPORTKEY, &auth_info );
memcpy( p_key, auth_info.keychal, DVD_KEY_SIZE );
#elif defined( SYS_BEOS )
INIT_RDC( GPCMD_REPORT_KEY, 12 );
rdc.command[ 2 ] = ( i_pos >> 24 ) & 0xff;
rdc.command[ 3 ] = ( i_pos >> 16 ) & 0xff;
rdc.command[ 4 ] = ( i_pos >> 8 ) & 0xff;
rdc.command[ 5 ] = ( i_pos ) & 0xff;
rdc.command[ 10 ] = DVD_REPORT_TITLE_KEY | (*pi_agid << 6);
i_ret = ioctl( i_fd, B_RAW_DEVICE_COMMAND, &rdc, sizeof(rdc) );
memcpy( p_key, p_buffer + 5, DVD_KEY_SIZE );
#elif defined( HPUX_SCTL_IO )
INIT_SCTL_IO( GPCMD_REPORT_KEY, 12 );
sctl_io.cdb[ 2 ] = ( i_pos >> 24 ) & 0xff;
sctl_io.cdb[ 3 ] = ( i_pos >> 16 ) & 0xff;
sctl_io.cdb[ 4 ] = ( i_pos >> 8 ) & 0xff;
sctl_io.cdb[ 5 ] = ( i_pos ) & 0xff;
sctl_io.cdb[ 10 ] = DVD_REPORT_TITLE_KEY | (*pi_agid << 6);
i_ret = ioctl( i_fd, SIOC_IO, &sctl_io );
memcpy( p_key, p_buffer + 5, DVD_KEY_SIZE );
#elif defined( SOLARIS_USCSI )
INIT_USCSI( GPCMD_REPORT_KEY, 12 );
rs_cdb.cdb_opaque[ 2 ] = ( i_pos >> 24 ) & 0xff;
rs_cdb.cdb_opaque[ 3 ] = ( i_pos >> 16 ) & 0xff;
rs_cdb.cdb_opaque[ 4 ] = ( i_pos >> 8 ) & 0xff;
rs_cdb.cdb_opaque[ 5 ] = ( i_pos ) & 0xff;
rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_TITLE_KEY | (*pi_agid << 6);
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