/*
Try to determine what kind of CD-image and/or filesystem we
have at track i_track. Return information about the CD image
is returned in cdio_analysis and the return value.
*/
cdio_fs_anal_t
cdio_guess_cd_type(const CdIo_t *p_cdio, int start_session, track_t i_track,
/*out*/ cdio_iso_analysis_t *iso_analysis)
{
int ret = CDIO_FS_UNKNOWN;
bool sector0_read_ok;
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(p_cdio, i_track))
return CDIO_FS_AUDIO;
if ( DRIVER_OP_SUCCESS !=
_cdio_read_block(p_cdio, ISO_PVD_SECTOR, start_session, 0, i_track) )
return CDIO_FS_UNKNOWN;
if ( _cdio_is_it(INDEX_XISO) )
return CDIO_FS_ANAL_XISO;
if ( DRIVER_OP_SUCCESS != _cdio_read_block(p_cdio, ISO_SUPERBLOCK_SECTOR,
start_session, 0, i_track) )
return ret;
if ( _cdio_is_it(INDEX_UDF) ) {
/* Detect UDF version
Test if we have a valid version of UDF the xbox can read natively */
if (_cdio_read_block(p_cdio, 35, start_session, 5, i_track) < 0)
return CDIO_FS_UNKNOWN;
iso_analysis->UDFVerMinor=(unsigned int)buffer[5][240];
iso_analysis->UDFVerMajor=(unsigned int)buffer[5][241];
/* Read disc label */
if (_cdio_read_block(p_cdio, 32, start_session, 5, i_track) < 0)
return CDIO_FS_UDF;
strncpy(iso_analysis->iso_label, buffer[5]+25, 33);
iso_analysis->iso_label[32] = '\0';
return CDIO_FS_UDF;
}
/* We have something that smells of a filesystem. */
if (_cdio_is_it(INDEX_CD_I) && _cdio_is_it(INDEX_CD_RTOS)
&& !_cdio_is_it(INDEX_BRIDGE) && !_cdio_is_it(INDEX_XA)) {
return (CDIO_FS_INTERACTIVE | CDIO_FS_ANAL_ISO9660_ANY);
} else {
/* read sector 0 ONLY, when NO greenbook CD-I !!!! */
sector0_read_ok =
_cdio_read_block(p_cdio, 0, start_session, 1, i_track) == 0;
if (_cdio_is_it(INDEX_HS))
ret |= CDIO_FS_HIGH_SIERRA;
else if (_cdio_is_it(INDEX_ISOFS)) {
if (_cdio_is_it(INDEX_CD_RTOS) && _cdio_is_it(INDEX_BRIDGE))
ret = (CDIO_FS_ISO_9660_INTERACTIVE | CDIO_FS_ANAL_ISO9660_ANY);
else if (_cdio_is_hfs())
ret = CDIO_FS_ISO_HFS;
else
ret = (CDIO_FS_ISO_9660 | CDIO_FS_ANAL_ISO9660_ANY);
iso_analysis->isofs_size = _cdio_get_iso9660_fs_sec_count();
strncpy(iso_analysis->iso_label, buffer[0]+40,33);
iso_analysis->iso_label[32] = '\0';
if ( _cdio_read_block(p_cdio, UDF_ANCHOR_SECTOR, start_session, 5,
i_track) < 0)
return ret;
/* Maybe there is an UDF anchor in IOS session
so its ISO/UDF session and we prefere UDF */
if ( _cdio_is_UDF() ) {
/* Detect UDF version.
Test if we have a valid version of UDF the xbox can read natively */
if ( _cdio_read_block(p_cdio, 35, start_session, 5, i_track) < 0)
return ret;
iso_analysis->UDFVerMinor=(unsigned int)buffer[5][240];
iso_analysis->UDFVerMajor=(unsigned int)buffer[5][241];
#if 0
/* We are using ISO/UDF cd's as iso,
no need to get UDF disc label */
if (_cdio_read_block(p_cdio, 32, start_session, 5, i_track) < 0)
return ret;
stnrcpy(iso_analysis->iso_label, buffer[5]+25, 33);
iso_analysis->iso_label[32] = '\0';
#endif
ret=CDIO_FS_ISO_UDF;
}
#if 0
if (_cdio_is_rockridge())
ret |= CDIO_FS_ANAL_ROCKRIDGE;
#endif
if (_cdio_read_block(p_cdio, BOOT_SECTOR, start_session, 3, i_track) < 0)
return ret;
if (_cdio_is_joliet()) {
iso_analysis->joliet_level = _cdio_get_joliet_level();
ret |= (CDIO_FS_ANAL_JOLIET | CDIO_FS_ANAL_ISO9660_ANY);
}
if (_cdio_is_it(INDEX_BOOTABLE))
ret |= CDIO_FS_ANAL_BOOTABLE;
if ( _cdio_is_it(INDEX_XA) && _cdio_is_it(INDEX_ISOFS)
&& !(sector0_read_ok && _cdio_is_it(INDEX_PHOTO_CD)) ) {
if ( _cdio_read_block(p_cdio, VCD_INFO_SECTOR, start_session, 4,
i_track) < 0 )
return ret;
if (_cdio_is_it(INDEX_BRIDGE) && _cdio_is_it(INDEX_CD_RTOS)) {
ret |= CDIO_FS_ANAL_ISO9660_ANY;
if (_cdio_is_it(INDEX_VIDEO_CD)) ret |= CDIO_FS_ANAL_VIDEOCD;
else if (_cdio_is_it(INDEX_SVCD)) ret |= CDIO_FS_ANAL_SVCD;
} else if (_cdio_is_it(INDEX_SVCD)) ret |= CDIO_FS_ANAL_CVD;
}
}
else if (_cdio_is_hfs()) ret |= CDIO_FS_HFS;
else if (sector0_read_ok && _cdio_is_it(INDEX_EXT2))
ret |= (CDIO_FS_EXT2 | CDIO_FS_ANAL_ISO9660_ANY);
else if (_cdio_is_3do()) ret |= CDIO_FS_3DO;
else {
if ( _cdio_read_block(p_cdio, UFS_SUPERBLOCK_SECTOR, start_session, 2,
i_track) < 0 )
return ret;
if (sector0_read_ok && _cdio_is_it(INDEX_UFS))
ret |= CDIO_FS_UFS;
else
ret |= CDIO_FS_UNKNOWN;
}
}
/* other checks */
if (_cdio_is_it(INDEX_XA))
ret |= (CDIO_FS_ANAL_XA | CDIO_FS_ANAL_ISO9660_ANY);
if (_cdio_is_it(INDEX_PHOTO_CD))
ret |= (CDIO_FS_ANAL_PHOTO_CD | CDIO_FS_ANAL_ISO9660_ANY);
if (_cdio_is_it(INDEX_CDTV))
ret |= CDIO_FS_ANAL_CDTV;
return ret;
}
/*
Try to determine what kind of CD-image and/or filesystem we
have at track track_num. Return information about the CD image
is returned in cdio_analysis and the return value.
*/
cdio_fs_anal_t
cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
/*out*/ cdio_analysis_t *cdio_analysis)
{
int ret = 0;
bool sector0_read_ok;
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(cdio, track_num))
return CDIO_FS_AUDIO;
if ( _cdio_read_block(cdio, ISO_PVD_SECTOR, start_session,
0, track_num) < 0 )
return CDIO_FS_UNKNOWN;
/* We have something that smells of a filesystem. */
if (_cdio_is_it(INDEX_CD_I) && _cdio_is_it(INDEX_CD_RTOS)
&& !_cdio_is_it(INDEX_BRIDGE) && !_cdio_is_it(INDEX_XA)) {
return CDIO_FS_INTERACTIVE;
} else {
/* read sector 0 ONLY, when NO greenbook CD-I !!!! */
sector0_read_ok =
_cdio_read_block(cdio, 0, start_session, 1, track_num) == 0;
if (_cdio_is_it(INDEX_HS))
ret |= CDIO_FS_HIGH_SIERRA;
else if (_cdio_is_it(INDEX_ISOFS)) {
if (_cdio_is_it(INDEX_CD_RTOS) && _cdio_is_it(INDEX_BRIDGE))
ret = CDIO_FS_ISO_9660_INTERACTIVE;
else if (_cdio_is_hfs())
ret = CDIO_FS_ISO_HFS;
else
ret = CDIO_FS_ISO_9660;
cdio_analysis->isofs_size = _cdio_get_iso9660_fs_sec_count();
sprintf(cdio_analysis->iso_label, buffer[0]+40);
#if 0
if (_cdio_is_rockridge())
ret |= CDIO_FS_ANAL_ROCKRIDGE;
#endif
if (_cdio_read_block(cdio, BOOT_SECTOR, start_session, 3, track_num) < 0)
return ret;
if (_cdio_is_joliet()) {
cdio_analysis->joliet_level = _cdio_get_joliet_level();
ret |= CDIO_FS_ANAL_JOLIET;
}
if (_cdio_is_it(INDEX_BOOTABLE))
ret |= CDIO_FS_ANAL_BOOTABLE;
if ( _cdio_is_it(INDEX_XA) && _cdio_is_it(INDEX_ISOFS)
&& !(sector0_read_ok && _cdio_is_it(INDEX_PHOTO_CD)) ) {
if ( _cdio_read_block(cdio, VCD_INFO_SECTOR, start_session, 4,
track_num) < 0 )
return ret;
if (_cdio_is_it(INDEX_BRIDGE) && _cdio_is_it(INDEX_CD_RTOS)) {
if (_cdio_is_it(INDEX_VIDEO_CD)) ret |= CDIO_FS_ANAL_VIDEOCD;
else if (_cdio_is_it(INDEX_SVCD)) ret |= CDIO_FS_ANAL_SVCD;
} else if (_cdio_is_it(INDEX_SVCD)) ret |= CDIO_FS_ANAL_CVD;
}
}
else if (_cdio_is_hfs()) ret |= CDIO_FS_HFS;
else if (sector0_read_ok && _cdio_is_it(INDEX_EXT2)) ret |= CDIO_FS_EXT2;
else if (_cdio_is_3do()) ret |= CDIO_FS_3DO;
else {
if ( _cdio_read_block(cdio, UFS_SUPERBLOCK_SECTOR, start_session, 2,
track_num) < 0 )
return ret;
if (sector0_read_ok && _cdio_is_it(INDEX_UFS))
ret |= CDIO_FS_UFS;
else
ret |= CDIO_FS_UNKNOWN;
}
}
/* other checks */
if (_cdio_is_it(INDEX_XA)) ret |= CDIO_FS_ANAL_XA;
if (_cdio_is_it(INDEX_PHOTO_CD)) ret |= CDIO_FS_ANAL_PHOTO_CD;
if (_cdio_is_it(INDEX_CDTV)) ret |= CDIO_FS_ANAL_CDTV;
return ret;
}
