/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (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 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_FS_HSFS_ISOSPEC_H #define _SYS_FS_HSFS_ISOSPEC_H /* * ISO 9660 filesystem specification */ #ifdef __cplusplus extern "C" { #endif /* macros to parse binary integers */ #define ZERO(x) (uint_t)(((uchar_t *)(x))[0]) #define ONE(x) (uint_t)(((uchar_t *)(x))[1]) #define TWO(x) (uint_t)(((uchar_t *)(x))[2]) #define THREE(x) (uint_t)(((uchar_t *)(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(__i386) || defined(__amd64) #define BOTH_SHORT(x) (short)*((short *)x) #define BOTH_INT(x) (int)*((int *)x) #elif defined(__sparc) /* * SPARC machines require that integers must * be aligned on 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) #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 ISO-9660:1988 */ #define ISO_ID_VER2 2 /* ISO_std_ver field ISO-9660:1999 */ #define ISO_FILE_STRUCT_ID_VER 1 /* ISO_file structure version field */ #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_SHORT_DATE_LEN 7 #define ISO_DATE_LEN 17 /* macros to get the address of each field */ #define ISO_desc_type(x) (&((uchar_t *)x)[0]) #define ISO_std_id(x) (&((uchar_t *)x)[1]) #define ISO_std_ver(x) (&((uchar_t *)x)[6]) #define ISO_sys_id(x) (&((uchar_t *)x)[8]) #define ISO_vol_id(x) (&((uchar_t *)x)[40]) #define ISO_vol_size(x) (&((uchar_t *)x)[80]) #define ISO_svd_esc(x) (&((uchar_t *)x)[88]) /* Supplemental VD */ #define ISO_set_size(x) (&((uchar_t *)x)[120]) #define ISO_set_seq(x) (&((uchar_t *)x)[124]) #define ISO_blk_size(x) (&((uchar_t *)x)[128]) #define ISO_ptbl_size(x) (&((uchar_t *)x)[132]) #define ISO_ptbl_man_ls(x) (&((uchar_t *)x)[140]) #define ISO_ptbl_opt_ls1(x) (&((uchar_t *)x)[144]) #define ISO_ptbl_man_ms(x) (&((uchar_t *)x)[148]) #define ISO_ptbl_opt_ms1(x) (&((uchar_t *)x)[152]) #define ISO_root_dir(x) (&((uchar_t *)x)[156]) #define ISO_vol_set_id(x) (&((uchar_t *)x)[190]) #define ISO_pub_id(x) (&((uchar_t *)x)[318]) #define ISO_prep_id(x) (&((uchar_t *)x)[446]) #define ISO_appl_id(x) (&((uchar_t *)x)[574]) #define ISO_copyr_id(x) (&((uchar_t *)x)[702]) #define ISO_abstr_id(x) (&((uchar_t *)x)[739]) #define ISO_bibli_id(x) (&((uchar_t *)x)[776]) #define ISO_cre_date(x) (&((uchar_t *)x)[813]) #define ISO_mod_date(x) (&((uchar_t *)x)[830]) #define ISO_exp_date(x) (&((uchar_t *)x)[847]) #define ISO_eff_date(x) (&((uchar_t *)x)[864]) #define ISO_file_struct_ver(x) (&((uchar_t *)x)[881]) /* macros to get the values of each field (strings are returned as ptrs) */ #define ISO_DESC_TYPE(x) ((enum iso_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) HSV_cre_date(x) #define ISO_MOD_DATE(x) HSV_mod_date(x) #define ISO_EXP_DATE(x) HSV_exp_date(x) #define ISO_EFF_DATE(x) 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(&((uchar_t *)x)[0]) #define ISO_DATE_MONTH(x) ISO_DATE_2DIG(&((uchar_t *)x)[4]) #define ISO_DATE_DAY(x) ISO_DATE_2DIG(&((uchar_t *)x)[6]) #define ISO_DATE_HOUR(x) ISO_DATE_2DIG(&((uchar_t *)x)[8]) #define ISO_DATE_MIN(x) ISO_DATE_2DIG(&((uchar_t *)x)[10]) #define ISO_DATE_SEC(x) ISO_DATE_2DIG(&((uchar_t *)x)[12]) #define ISO_DATE_HSEC(x) ISO_DATE_2DIG(&((uchar_t *)x)[14]) #define ISO_DATE_GMTOFF(x) (((char *)x)[16]) /* 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) /* macros to get the address of each field */ #define IDE_dir_len(x) (&((uchar_t *)x)[0]) #define IDE_xar_len(x) (&((uchar_t *)x)[1]) #define IDE_ext_lbn(x) (&((uchar_t *)x)[2]) #define IDE_ext_size(x) (&((uchar_t *)x)[10]) #define IDE_cdate(x) (&((uchar_t *)x)[18]) #define IDE_flags(x) (&((uchar_t *)x)[25]) #define IDE_intrlv_size(x) (&((uchar_t *)x)[26]) #define IDE_intrlv_skip(x) (&((uchar_t *)x)[27]) #define IDE_vol_set(x) (&((uchar_t *)x)[28]) #define IDE_name_len(x) (&((uchar_t *)x)[32]) #define IDE_name(x) (&((uchar_t *)x)[33]) #define IDE_sys_use_area(x) (&((uchar_t *)x)[IDE_NAME_LEN(x) + \ IDE_PAD_LEN(x)] + IDE_FDESIZE) /* 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_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) #define IDE_PAD_LEN(x) ((IDE_NAME_LEN(x) % 2) ? 0 : 1) #define IDE_SUA_LEN(x) ((int)(IDE_DIR_LEN(x)) - (int)(IDE_FDESIZE) - \ (int)(IDE_NAME_LEN(x)) - (int)(IDE_PAD_LEN(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 | IDE_RECORD | \ IDE_LAST_EXTENT | IDE_UNUSED_FLAGS) /* Directory Record date fields */ #define IDE_DATE_YEAR(x) (((uchar_t *)x)[0] + 1900) #define IDE_DATE_MONTH(x) (((uchar_t *)x)[1]) #define IDE_DATE_DAY(x) (((uchar_t *)x)[2]) #define IDE_DATE_HOUR(x) (((uchar_t *)x)[3]) #define IDE_DATE_MIN(x) (((uchar_t *)x)[4]) #define IDE_DATE_SEC(x) (((uchar_t *)x)[5]) #define IDE_DATE_GMTOFF(x) (((char *)x)[6]) /* 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) /* * A ISO filename is: "ABCDE.EEE;1" -> '.' ';' * * The ISO-9660:1988 (Version 1) maximum needed string length is: * 30 chars (filename + ext) * + 2 chars ('.' + ';') * + strlen("32767") * + null byte * ================================ * = 38 chars * * ISO_DIR_NAMELEN counts 30 chars + '.' */ #define ISO_DIR_NAMELEN 31 /* max length of a directory name */ #define ISO_FILE_NAMELEN 31 /* max length of a filename, */ /* excluding ";" and version num */ #define ISO_NAMELEN_V2 207 /* ISOv2: 254 - 33 - 14 (XA Record) */ #define ISO_NAMELEN_V2_MAX 221 /* max length, ignorig ISOv2 */ #define JOLIET_NAMELEN 64 /* Joliet file name length (spec) */ #define JOLIET_NAMELEN_MAX 110 /* max Joliet file name length */ /* 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) (&((uchar_t *)x)[0]) #define IPE_xar_len(x) (&((uchar_t *)x)[1]) #define IPE_ext_lbn(x) (&((uchar_t *)x)[2]) #define IPE_parent_no(x) (&((uchar_t *)x)[6]) #define IPE_name(x) (&((uchar_t *)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) #ifdef __cplusplus } #endif #endif /* _SYS_FS_HSFS_ISOSPEC_H */