/* $Id: fsw_iso9660.h 96407 2022-08-22 17:43:14Z vboxsync $ */ /** @file * fsw_iso9660.h - ISO9660 file system driver header. */ /* * Copyright (C) 2010-2022 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * 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, in version 3 of the * License. * * 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, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 * --------------------------------------------------------------------------- * This code is based on: * * Copyright (c) 2006 Christoph Pfisterer * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * * Neither the name of Christoph Pfisterer nor the names of the * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _FSW_ISO9660_H_ #define _FSW_ISO9660_H_ #define VOLSTRUCTNAME fsw_iso9660_volume #define DNODESTRUCTNAME fsw_iso9660_dnode #include "fsw_core.h" //! Block size for ISO9660 volumes. #define ISO9660_BLOCKSIZE 2048 #define ISO9660_BLOCKSIZE_BITS 11 //! Block number where the ISO9660 superblock resides. #define ISO9660_SUPERBLOCK_BLOCKNO 16 #pragma pack(1) typedef struct { fsw_u16 lsb; fsw_u16 msb; } iso9660_u16; typedef struct { fsw_u32 lsb; fsw_u32 msb; } iso9660_u32; #define ISOINT(lsbmsbvalue) ((lsbmsbvalue).lsb) struct iso9660_dirrec { fsw_u8 dirrec_length; fsw_u8 ear_length; iso9660_u32 extent_location; iso9660_u32 data_length; fsw_u8 recording_datetime[7]; fsw_u8 file_flags; fsw_u8 file_unit_size; fsw_u8 interleave_gap_size; iso9660_u16 volume_sequence_number; fsw_u8 file_identifier_length; char file_identifier[1]; }; //#if sizeof(struct fsw_iso9660_dirrec) != 34 //#fail Structure fsw_iso9660_dirrec has wrong size //#endif struct iso9660_volume_descriptor { fsw_u8 volume_descriptor_type; char standard_identifier[5]; fsw_u8 volume_descriptor_version; }; struct iso9660_primary_volume_descriptor { fsw_u8 volume_descriptor_type; char standard_identifier[5]; fsw_u8 volume_descriptor_version; fsw_u8 unused1; char system_identifier[32]; char volume_identifier[32]; fsw_u8 unused2[8]; iso9660_u32 volume_space_size; fsw_u8 unused3[4]; fsw_u8 escape[3]; fsw_u8 unused4[25]; iso9660_u16 volume_set_size; iso9660_u16 volume_sequence_number; iso9660_u16 logical_block_size; iso9660_u32 path_table_size; fsw_u32 location_type_l_path_table; fsw_u32 location_optional_type_l_path_table; fsw_u32 location_type_m_path_table; fsw_u32 location_optional_type_m_path_table; struct iso9660_dirrec root_directory; char volume_set_identifier[128]; char publisher_identifier[128]; char data_preparer_identifier[128]; char application_identifier[128]; char copyright_file_identifier[37]; char abstract_file_identifier[37]; char bibliographic_file_identifier[37]; char volume_creation_datetime[17]; char volume_modification_datetime[17]; char volume_expiration_datetime[17]; char volume_effective_datetime[17]; fsw_u8 file_structure_version; fsw_u8 reserved1; fsw_u8 application_use[512]; fsw_u8 reserved2[653]; }; //#if sizeof(struct fsw_iso9660_volume_descriptor) != 2048 //#fail Structure fsw_iso9660_volume_descriptor has wrong size //#endif #pragma pack() struct iso9660_dirrec_buffer { fsw_u32 ino; struct fsw_string name; struct iso9660_dirrec dirrec; char dirrec_buffer[222]; }; /** * ISO9660: Volume structure with ISO9660-specific data. */ struct fsw_iso9660_volume { struct fsw_volume g; //!< Generic volume structure /*Note: don't move g!*/ int fJoliet; /*Joliet specific fields*/ int fRockRidge; /*Rock Ridge specific fields*/ int rr_susp_skip; struct iso9660_primary_volume_descriptor *primary_voldesc; //!< Full Primary Volume Descriptor }; /** * ISO9660: Dnode structure with ISO9660-specific data. */ struct fsw_iso9660_dnode { struct fsw_dnode g; //!< Generic dnode structure struct iso9660_dirrec dirrec; //!< Fixed part of the directory record (i.e. w/o name) }; struct fsw_rock_ridge_susp_entry { fsw_u8 sig[2]; fsw_u8 len; fsw_u8 ver; }; struct fsw_rock_ridge_susp_sp { struct fsw_rock_ridge_susp_entry e; fsw_u8 magic[2]; fsw_u8 skip; }; struct fsw_rock_ridge_susp_nm { struct fsw_rock_ridge_susp_entry e; fsw_u8 flags; fsw_u8 name[1]; }; #define RR_NM_CONT (1<<0) #define RR_NM_CURR (1<<1) #define RR_NM_PARE (1<<2) union fsw_rock_ridge_susp_ce { struct X{ struct fsw_rock_ridge_susp_entry e; iso9660_u32 block_loc; iso9660_u32 offset; iso9660_u32 len; } X; fsw_u8 raw[28]; }; #endif