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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* ISO 9660 filesystem specification
*/
#ifndef _ISO_SPEC_H_
#define _ISO_SPEC_H_
#include <sys/isa_defs.h>
/* routines required for date parsing */
extern struct timeval iso_parse_dirdate(); /* parse date in directory */
extern struct timeval iso__parse_longdate(); /* parse date in volume id */
/* macros to parse binary integers */
#define ZERO(x) (u_int) (((u_char *)(x))[0])
#define ONE(x) (u_int) (((u_char *)(x))[1])
#define TWO(x) (u_int) (((u_char *)(x))[2])
#define THREE(x) (u_int) (((u_char *)(x))[3])
#define MSB_INT(x) \
((((((ZERO(x) << 8) | ONE(x)) << 8) | TWO(x)) << 8) | THREE(x))
#define LSB_INT(x) \
((((((THREE(x) << 8) | TWO(x)) << 8) | ONE(x)) << 8) | ZERO(x))
#define MSB_SHORT(x) ((ZERO(x) << 8) | ONE(x))
#define LSB_SHORT(x) ((ONE(x) << 8) | ZERO(x))
#if defined(sparc)
/*
* Sparc machines requires that integer must
* be in a full word boundary. CD-ROM data aligns
* to even word boundary only. Because of this mismatch,
* we have to move integer data from CD-ROM to memory one
* byte at a time. LSB data starts first. We therefore
* use this to do byte by byte copying.
*/
#define BOTH_SHORT(x) LSB_SHORT(x)
#define BOTH_INT(x) LSB_INT(x)
#elif defined(_LITTLE_ENDIAN)
#define BOTH_SHORT(x) (short) *((short *)x)
#define BOTH_INT(x) (int) *((int *)x)
#elif defined(_BIG_ENDIAN)
#define BOTH_SHORT(x) (short) *((short *)x + 1)
#define BOTH_INT(x) (int) *((int *)x + 1)
#else
#error One of _BIG_ENDIAN and _LITTLE_ENDIAN must be defined
#endif
/*
* conversions to/from little endian format
*/
#if defined(_LITTLE_ENDIAN)
/* little endian machines */
#define ltohs(S) (S)
#define ltohl(L) (L)
#define htols(S) (S)
#define htoll(L) (L)
#else
/* big endian machines */
#define ltohs(S) LSB_SHORT((char *) (S))
#define ltohl(L) LSB_INT((char *) (L))
#define htols(S) LSB_SHORT((char *) (S))
#define htoll(L) LSB_INT((char *) (L))
#endif
/*
* The following describes actual on-disk structures.
* To achieve portability, all structures are #defines
* rather than a structure definition. Macros are provided
* to get either the data or address of individual fields.
*/
/* Overall High Sierra disk structure */
#define ISO_SECTOR_SIZE 2048 /* bytes per logical sector */
#define ISO_SECTOR_SHIFT 11 /* sector<->byte shift count */
#define ISO_SEC_PER_PAGE (PAGESIZE/HS_SECTOR_SIZE) /* sectors per page */
#define ISO_SYSAREA_SEC 0 /* 1st sector of system area */
#define ISO_VOLDESC_SEC 16 /* 1st sector of volume descriptors */
#define MAXISOOFFSET (ISO_SECTOR_SIZE - 1)
#define MAXISOMASK (~MAXISOOFFSET)
/* Standard File Structure Volume Descriptor */
enum iso_voldesc_type {
ISO_VD_BOOT=0, ISO_VD_PVD=1, ISO_VD_SVD=2, ISO_VD_VPD=3,
ISO_VD_UNIX=4, /* UNIX extension */
ISO_VD_EOV=255
};
#define ISO_ID_STRING "CD001" /* ISO_std_id field */
#define ISO_ID_STRLEN 5 /* ISO_std_id field length */
#define ISO_ID_VER 1 /* ISO_std_ver field */
#define ISO_FILE_STRUCT_ID_VER 1 /* ISO_file structure version field */
#define ISO_DATE_TO_UNIX(x) iso_parse_longdate(x) /* returns a timeval */
#define ISO_SYS_ID_STRLEN 32
#define ISO_VOL_ID_STRLEN 32
#define ISO_VOL_SET_ID_STRLEN 128
#define ISO_PUB_ID_STRLEN 128
#define ISO_PREP_ID_STRLEN 128
#define ISO_APPL_ID_STRLEN 128
#define ISO_COPYR_ID_STRLEN 37
#define ISO_ABSTR_ID_STRLEN 37
#define ISO_DATE_LEN 17
/* macros to get the address of each field */
#define ISO_desc_type(x) (&((u_char *)x)[0])
#define ISO_std_id(x) (&((u_char *)x)[1])
#define ISO_std_ver(x) (&((u_char *)x)[6])
#define ISO_sys_id(x) (&((u_char *)x)[8])
#define ISO_vol_id(x) (&((u_char *)x)[40])
#define ISO_vol_size(x) (&((u_char *)x)[80])
#define ISO_set_size(x) (&((u_char *)x)[120])
#define ISO_set_seq(x) (&((u_char *)x)[124])
#define ISO_blk_size(x) (&((u_char *)x)[128])
#define ISO_ptbl_size(x) (&((u_char *)x)[132])
#define ISO_ptbl_man_ls(x) (&((u_char *)x)[140])
#define ISO_ptbl_opt_ls1(x) (&((u_char *)x)[144])
#define ISO_ptbl_man_ms(x) (&((u_char *)x)[148])
#define ISO_ptbl_opt_ms1(x) (&((u_char *)x)[152])
#define ISO_root_dir(x) (&((u_char *)x)[156])
#define ISO_vol_set_id(x) (&((u_char *)x)[190])
#define ISO_pub_id(x) (&((u_char *)x)[318])
#define ISO_prep_id(x) (&((u_char *)x)[446])
#define ISO_appl_id(x) (&((u_char *)x)[574])
#define ISO_copyr_id(x) (&((u_char *)x)[702])
#define ISO_abstr_id(x) (&((u_char *)x)[739])
#define ISO_bibli_id(x) (&((u_char *)x)[776])
#define ISO_cre_date(x) (&((u_char *)x)[813])
#define ISO_mod_date(x) (&((u_char *)x)[830])
#define ISO_exp_date(x) (&((u_char *)x)[847])
#define ISO_eff_date(x) (&((u_char *)x)[864])
#define ISO_file_struct_ver(x) (&((u_char *)x)[881])
/* macros to get the values of each field (strings are returned as ptrs) */
#define ISO_DESC_TYPE(x) ((enum hs_voldesc_type)*(ISO_desc_type(x)))
#define ISO_STD_ID(x) ISO_std_id(x)
#define ISO_STD_VER(x) *(ISO_std_ver(x))
#define ISO_SYS_ID(x) ISO_sys_id(x)
#define ISO_VOL_ID(x) ISO_vol_id(x)
#define ISO_VOL_SIZE(x) BOTH_INT(ISO_vol_size(x))
#define ISO_SET_SIZE(x) BOTH_SHORT(ISO_set_size(x))
#define ISO_SET_SEQ(x) BOTH_SHORT(ISO_set_seq(x))
#define ISO_BLK_SIZE(x) BOTH_SHORT(ISO_blk_size(x))
#define ISO_PTBL_SIZE(x) BOTH_INT(ISO_ptbl_size(x))
#define ISO_PTBL_MAN_LS(x) LSB_INT(ISO_ptbl_man_ls(x))
#define ISO_PTBL_OPT_LS1(x) LSB_INT(ISO_ptbl_opt_ls1(x))
#define ISO_PTBL_MAN_MS(x) MSB_INT(ISO_ptbl_man_ms(x))
#define ISO_PTBL_OPT_MS1(x) MSB_INT(ISO_ptbl_opt_ms1(x))
#define ISO_ROOT_DIR(x) ISO_root_dir(x)
#define ISO_VOL_SET_ID(x) ISO_vol_set_id(x)
#define ISO_PUB_ID(x) ISO_pub_id(x)
#define ISO_PREP_ID(x) ISO_prep_id(x)
#define ISO_APPL_ID(x) ISO_appl_id(x)
#define ISO_COPYR_ID(x) ISO_copyr_id(x)
#define ISO_ABSTR_ID(x) ISO_abstr_id(x)
#define ISO_BIBLI_ID(x) ISO_bibli_id(x)
#define ISO_CRE_DATE(x) ISO_DATE_TO_UNIX(HSV_cre_date(x))
#define ISO_MOD_DATE(x) ISO_DATE_TO_UNIX(HSV_mod_date(x))
#define ISO_EXP_DATE(x) ISO_DATE_TO_UNIX(HSV_exp_date(x))
#define ISO_EFF_DATE(x) ISO_DATE_TO_UNIX(HSV_eff_date(x))
#define ISO_FILE_STRUCT_VER(x) *(ISO_file_struct_ver(x))
/* Standard File Structure Volume Descriptor date fields */
#define ISO_DATE_2DIG(x) ( (((x)[0] - '0') * 10) + \
((x)[1] - '0') )
#define ISO_DATE_4DIG(x) ( (((x)[0] - '0') * 1000) + \
(((x)[1] - '0') * 100) + \
(((x)[2] - '0') * 10) + \
((x)[3] - '0') )
#define ISO_DATE_YEAR(x) ISO_DATE_4DIG(&((u_char *)x)[0])
#define ISO_DATE_MONTH(x) ISO_DATE_2DIG(&((u_char *)x)[4])
#define ISO_DATE_DAY(x) ISO_DATE_2DIG(&((u_char *)x)[6])
#define ISO_DATE_HOUR(x) ISO_DATE_2DIG(&((u_char *)x)[8])
#define ISO_DATE_MIN(x) ISO_DATE_2DIG(&((u_char *)x)[10])
#define ISO_DATE_SEC(x) ISO_DATE_2DIG(&((u_char *)x)[12])
#define ISO_DATE_HSEC(x) ISO_DATE_2DIG(&((u_char *)x)[14])
/* Directory Entry (Directory Record) */
#define IDE_ROOT_DIR_REC_SIZE 34 /* size of root directory record */
#define IDE_FDESIZE 33 /* fixed size for hsfs directory area */
/* max size of a name */
#define IDE_MAX_NAME_LEN (255 - IDE_FDESIZE)
#define IDE_DATE_TO_UNIX(x) iso_parse_dirdate(x) /* returns a timeval */
/* macros to get the address of each field */
#define IDE_dir_len(x) (&((u_char *)x)[0])
#define IDE_xar_len(x) (&((u_char *)x)[1])
#define IDE_ext_lbn(x) (&((u_char *)x)[2])
#define IDE_ext_size(x) (&((u_char *)x)[10])
#define IDE_cdate(x) (&((u_char *)x)[18])
#define IDE_flags(x) (&((u_char *)x)[25])
#define IDE_intrlv_size(x) (&((u_char *)x)[26])
#define IDE_intrlv_skip(x) (&((u_char *)x)[27])
#define IDE_vol_set(x) (&((u_char *)x)[28])
#define IDE_name_len(x) (&((u_char *)x)[32])
#define IDE_name(x) (&((u_char *)x)[33])
/* macros to get the values of each field (strings are returned as ptrs) */
#define IDE_DIR_LEN(x) *(IDE_dir_len(x))
#define IDE_XAR_LEN(x) *(IDE_xar_len(x))
#define IDE_EXT_LBN(x) BOTH_INT(IDE_ext_lbn(x))
#define IDE_EXT_SIZE(x) BOTH_INT(IDE_ext_size(x))
#define IDE_CDATE(x) IDE_DATE_TO_UNIX(HDE_cdate(x))
#define IDE_FLAGS(x) *(IDE_flags(x))
#define IDE_INTRLV_SIZE(x) *(IDE_intrlv_size(x))
#define IDE_INTRLV_SKIP(x) *(IDE_intrlv_skip(x))
#define IDE_VOL_SET(x) BOTH_SHORT(IDE_vol_set(x))
#define IDE_NAME_LEN(x) *(IDE_name_len(x))
#define IDE_NAME(x) IDE_name(x)
/* mask bits for IDE_FLAGS */
#define IDE_EXISTENCE 0x01 /* zero if file exists */
#define IDE_DIRECTORY 0x02 /* zero if file is not a directory */
#define IDE_ASSOCIATED 0x04 /* zero if file is not Associated */
#define IDE_RECORD 0x08 /* zero if no record attributes */
#define IDE_PROTECTION 0x10 /* zero if no protection attributes */
#define IDE_UNUSED_FLAGS 0x60
#define IDE_LAST_EXTENT 0x80 /* zero if last extent in file */
#define IDE_PROHIBITED (IDE_DIRECTORY | HDE_ASSOCIATED | HDE_RECORD | \
IDE_LAST_EXTENT | IDE_UNUSED_FLAGS)
/* Directory Record date fields */
#define IDE_DATE_YEAR(x) (((u_char *)x)[0] + 1900)
#define IDE_DATE_MONTH(x) (((u_char *)x)[1])
#define IDE_DATE_DAY(x) (((u_char *)x)[2])
#define IDE_DATE_HOUR(x) (((u_char *)x)[3])
#define IDE_DATE_MIN(x) (((u_char *)x)[4])
#define IDE_DATE_SEC(x) (((u_char *)x)[5])
/* tests for Interchange Levels 1 & 2 file types */
#define IDE_REGULAR_FILE(x) (((x) & IDE_PROHIBITED) == 0)
#define IDE_REGULAR_DIR(x) (((x) & IDE_PROHIBITED) == IDE_DIRECTORY)
#define ISO_DIR_NAMELEN 31 /* max length of a directory name */
#define ISO_FILE_NAMELEN 31 /* max length of a filename */
/* Path table enry */
/* fix size of path table entry */
#define IPE_FPESIZE 8
/* macros to get the address of each field */
#define IPE_name_len(x) (&((u_char *)x)[0])
#define IPE_xar_len(x) (&((u_char *)x)[1])
#define IPE_ext_lbn(x) (&((u_char *)x)[2])
#define IPE_parent_no(x) (&((u_char *)x)[6])
#define IPE_name(x) (&((u_char *)x)[8])
/* macros to get the values of each field */
#define IPE_EXT_LBN(x) (MSB_INT(IPE_ext_lbn(x)))
#define IPE_XAR_LEN(x) *(IPE_xar_len(x))
#define IPE_NAME_LEN(x) *(IPE_name_len(x))
#define IPE_PARENT_NO(x) *(short *)(IPE_parent_no(x))
#define IPE_NAME(x) IPE_name(x)
/* cdrom UNIX extension */
/* UNIX Volume Descriptor */
#define ISO_UNIX_ID_STRING "UNIXCD01" /* ISO_UNIX_std_id field */
#define ISO_UNIX_ID_STRLEN 8 /* ISO_UNIX_std_id length */
#define ISO_UNIX_FEATURE_SYMLNK 0x01 /* CD-ROM supports symbolic links */
#define ISO_UNIX_FEATURE_LONGFN 0x02 /* CD-ROM supports long BSD file names */
#define ISO_UNIX_feature(x) (&((u_char *)x)[7])
#define ISO_UNIX_root_dir(x) (&((u_char *)x)[1395])
#define ISO_UNIX_signature(x) (&((u_char *)x)[2040])
#define ISO_UNIX_FEATURE(x) *(ISO_UNIX_feature(x))
#define ISO_UNIX_ROOT_DIR(x) ISO_UNIX_root_dir(x)
#define ISO_UNIX_SIGNATURE(x) ISO_UNIX_signature(x)
/* UNIX extension to path table entry */
/* fix size of path table entry */
#define IPE_UNIX_FPESIZE 20
#define IPE_UNIX_mode(x) (&((u_char *)x)[0])
#define IPE_UNIX_uid(x) (&((u_char *)x)[4])
#define IPE_UNIX_gid(x) (&((u_char *)x)[8])
/* macros to get the values of each field */
#define IPE_UNIX_MODE(x) (MSB_INT(IPE_UNIX_mode(x)))
#define IPE_UNIX_UID(x) (MSB_INT(IPE_UNIX_uid(x)))
#define IPE_UNIX_GID(x) (MSB_INT(IPE_UNIX_gid(x)))
/* UNIX extension to directory entry */
#define IDE_UNIX_SIG_UX "UX" /* UNIX extension signature */
#define IDE_UNIX_SIG_TI "TI" /* UNIX extension signature for time */
#define IDE_UNIX_USE_ID_VER 1 /* UNIX extension sys use id */
#define IDE_UNIX_UX_LEN 36 /* length of UX */
#define IDE_UNIX_TI_LEN 40 /* length of TI */
#define IDE_UNIX_signature(x) (&((u_char *)x)[0])
#define IDE_UNIX_ext_len(x) (&((u_char *)x)[2])
#define IDE_UNIX_use_id(x) (&((u_char *)x)[3])
#define IDE_UNIX_mode(x) (&((u_char *)x)[4])
#define IDE_UNIX_nlink(x) (&((u_char *)x)[12])
#define IDE_UNIX_uid(x) (&((u_char *)x)[20])
#define IDE_UNIX_gid(x) (&((u_char *)x)[28])
#define IDE_UNIX_cre_date(x) (&((u_char *)x)[4])
#define IDE_UNIX_mod_date(x) (&((u_char *)x)[11])
#define IDE_UNIX_exp_date(x) (&((u_char *)x)[18])
#define IDE_UNIX_eff_date(x) (&((u_char *)x)[25])
#define IDE_UNIX_acc_date(x) (&((u_char *)x)[32])
#define IDE_UNIX_reserved(x) (&((u_char *)x)[39])
#define IDE_UNIX_SIGNATURE(x) IDE_UNIX_signature(x)
#define IDE_UNIX_EXT_LEN(x) *(IDE_UNIX_ext_len(x))
#define IDE_UNIX_USE_ID(x) *(IDE_UNIX_use_id(x))
#define IDE_UNIX_MODE(x) BOTH_INT(IDE_UNIX_mode(x))
#define IDE_UNIX_NLINK(x) BOTH_INT(IDE_UNIX_nlink(x))
#define IDE_UNIX_UID(x) BOTH_INT(IDE_UNIX_uid(x))
#define IDE_UNIX_GID(x) BOTH_INT(IDE_UNIX_gid(x))
#define IDE_UNIX_CRE_DATE(x) IDE_UNIX_cre_date(x)
#define IDE_UNIX_MOD_DATE(x) IDE_UNIX_mod_date(x)
#define IDE_UNIX_EXP_DATE(x) IDE_UNIX_exp_date(x)
#define IDE_UNIX_EFF_DATE(x) IDE_UNIX_eff_date(x)
#define IDE_UNIX_ACC_DATE(x) IDE_UNIX_acc_date(x)
#define IDE_UNIX_RESERVED(x) *(IDE_UNIX_reserved(x))
/* root record */
/* size of root directory record */
#define IDE_UNIX_ROOT_DIR_REC_SIZE 34+IDE_UNIX_UX_LEN
#define IDE_UNIX_MAX_NAME_LEN IDE_MAX_NAME_LEN - IDE_UNIX_UX_LEN
#endif /*!_ISO_SPEC_H_*/
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