| /*- |
| * Copyright (c) 1994 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley |
| * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension |
| * Support code is derived from software contributed to Berkeley |
| * by Atsushi Murai (amurai@spec.co.jp). |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. |
| * |
| * @(#)iso.h 8.6 (Berkeley) 5/10/95 |
| * $FreeBSD$ |
| */ |
| |
| #define ISODCL(from, to) (to - from + 1) |
| |
| struct iso_volume_descriptor { |
| char type[ISODCL(1,1)]; /* 711 */ |
| char id[ISODCL(2,6)]; |
| char version[ISODCL(7,7)]; |
| char unused[ISODCL(8,8)]; |
| char type_sierra[ISODCL(9,9)]; /* 711 */ |
| char id_sierra[ISODCL(10,14)]; |
| char version_sierra[ISODCL(15,15)]; |
| char data[ISODCL(16,2048)]; |
| }; |
| |
| /* volume descriptor types */ |
| #define ISO_VD_PRIMARY 1 |
| #define ISO_VD_SUPPLEMENTARY 2 |
| #define ISO_VD_END 255 |
| |
| #define ISO_STANDARD_ID "CD001" |
| #define ISO_ECMA_ID "CDW01" |
| |
| #define ISO_SIERRA_ID "CDROM" |
| |
| struct iso_primary_descriptor { |
| char type [ISODCL ( 1, 1)]; /* 711 */ |
| char id [ISODCL ( 2, 6)]; |
| char version [ISODCL ( 7, 7)]; /* 711 */ |
| char unused1 [ISODCL ( 8, 8)]; |
| char system_id [ISODCL ( 9, 40)]; /* achars */ |
| char volume_id [ISODCL ( 41, 72)]; /* dchars */ |
| char unused2 [ISODCL ( 73, 80)]; |
| char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ |
| char unused3 [ISODCL ( 89, 120)]; |
| char volume_set_size [ISODCL (121, 124)]; /* 723 */ |
| char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ |
| char logical_block_size [ISODCL (129, 132)]; /* 723 */ |
| char path_table_size [ISODCL (133, 140)]; /* 733 */ |
| char type_l_path_table [ISODCL (141, 144)]; /* 731 */ |
| char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ |
| char type_m_path_table [ISODCL (149, 152)]; /* 732 */ |
| char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ |
| char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ |
| char volume_set_id [ISODCL (191, 318)]; /* dchars */ |
| char publisher_id [ISODCL (319, 446)]; /* achars */ |
| char preparer_id [ISODCL (447, 574)]; /* achars */ |
| char application_id [ISODCL (575, 702)]; /* achars */ |
| char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ |
| char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ |
| char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ |
| char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ |
| char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ |
| char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ |
| char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ |
| char file_structure_version [ISODCL (882, 882)]; /* 711 */ |
| char unused4 [ISODCL (883, 883)]; |
| char application_data [ISODCL (884, 1395)]; |
| char unused5 [ISODCL (1396, 2048)]; |
| }; |
| #define ISO_DEFAULT_BLOCK_SIZE 2048 |
| |
| /* |
| * Used by Microsoft Joliet extension to ISO9660. Almost the same |
| * as PVD, but byte position 8 is a flag, and 89-120 is for escape. |
| */ |
| |
| struct iso_supplementary_descriptor { |
| char type [ISODCL ( 1, 1)]; /* 711 */ |
| char id [ISODCL ( 2, 6)]; |
| char version [ISODCL ( 7, 7)]; /* 711 */ |
| char flags [ISODCL ( 8, 8)]; /* 711? */ |
| char system_id [ISODCL ( 9, 40)]; /* achars */ |
| char volume_id [ISODCL ( 41, 72)]; /* dchars */ |
| char unused2 [ISODCL ( 73, 80)]; |
| char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ |
| char escape [ISODCL ( 89, 120)]; |
| char volume_set_size [ISODCL (121, 124)]; /* 723 */ |
| char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ |
| char logical_block_size [ISODCL (129, 132)]; /* 723 */ |
| char path_table_size [ISODCL (133, 140)]; /* 733 */ |
| char type_l_path_table [ISODCL (141, 144)]; /* 731 */ |
| char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ |
| char type_m_path_table [ISODCL (149, 152)]; /* 732 */ |
| char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ |
| char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ |
| char volume_set_id [ISODCL (191, 318)]; /* dchars */ |
| char publisher_id [ISODCL (319, 446)]; /* achars */ |
| char preparer_id [ISODCL (447, 574)]; /* achars */ |
| char application_id [ISODCL (575, 702)]; /* achars */ |
| char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ |
| char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ |
| char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ |
| char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ |
| char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ |
| char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ |
| char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ |
| char file_structure_version [ISODCL (882, 882)]; /* 711 */ |
| char unused4 [ISODCL (883, 883)]; |
| char application_data [ISODCL (884, 1395)]; |
| char unused5 [ISODCL (1396, 2048)]; |
| }; |
| |
| struct iso_sierra_primary_descriptor { |
| char unknown1 [ISODCL ( 1, 8)]; /* 733 */ |
| char type [ISODCL ( 9, 9)]; /* 711 */ |
| char id [ISODCL ( 10, 14)]; |
| char version [ISODCL ( 15, 15)]; /* 711 */ |
| char unused1 [ISODCL ( 16, 16)]; |
| char system_id [ISODCL ( 17, 48)]; /* achars */ |
| char volume_id [ISODCL ( 49, 80)]; /* dchars */ |
| char unused2 [ISODCL ( 81, 88)]; |
| char volume_space_size [ISODCL ( 89, 96)]; /* 733 */ |
| char unused3 [ISODCL ( 97, 128)]; |
| char volume_set_size [ISODCL (129, 132)]; /* 723 */ |
| char volume_sequence_number [ISODCL (133, 136)]; /* 723 */ |
| char logical_block_size [ISODCL (137, 140)]; /* 723 */ |
| char path_table_size [ISODCL (141, 148)]; /* 733 */ |
| char type_l_path_table [ISODCL (149, 152)]; /* 731 */ |
| char opt_type_l_path_table [ISODCL (153, 156)]; /* 731 */ |
| char unknown2 [ISODCL (157, 160)]; /* 731 */ |
| char unknown3 [ISODCL (161, 164)]; /* 731 */ |
| char type_m_path_table [ISODCL (165, 168)]; /* 732 */ |
| char opt_type_m_path_table [ISODCL (169, 172)]; /* 732 */ |
| char unknown4 [ISODCL (173, 176)]; /* 732 */ |
| char unknown5 [ISODCL (177, 180)]; /* 732 */ |
| char root_directory_record [ISODCL (181, 214)]; /* 9.1 */ |
| char volume_set_id [ISODCL (215, 342)]; /* dchars */ |
| char publisher_id [ISODCL (343, 470)]; /* achars */ |
| char preparer_id [ISODCL (471, 598)]; /* achars */ |
| char application_id [ISODCL (599, 726)]; /* achars */ |
| char copyright_id [ISODCL (727, 790)]; /* achars */ |
| char creation_date [ISODCL (791, 806)]; /* ? */ |
| char modification_date [ISODCL (807, 822)]; /* ? */ |
| char expiration_date [ISODCL (823, 838)]; /* ? */ |
| char effective_date [ISODCL (839, 854)]; /* ? */ |
| char file_structure_version [ISODCL (855, 855)]; /* 711 */ |
| char unused4 [ISODCL (856, 2048)]; |
| }; |
| |
| struct iso_directory_record { |
| char length [ISODCL (1, 1)]; /* 711 */ |
| char ext_attr_length [ISODCL (2, 2)]; /* 711 */ |
| u_char extent [ISODCL (3, 10)]; /* 733 */ |
| u_char size [ISODCL (11, 18)]; /* 733 */ |
| char date [ISODCL (19, 25)]; /* 7 by 711 */ |
| char flags [ISODCL (26, 26)]; |
| char file_unit_size [ISODCL (27, 27)]; /* 711 */ |
| char interleave [ISODCL (28, 28)]; /* 711 */ |
| char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ |
| char name_len [ISODCL (33, 33)]; /* 711 */ |
| char name [1]; /* XXX */ |
| }; |
| /* can't take sizeof(iso_directory_record), because of possible alignment |
| of the last entry (34 instead of 33) */ |
| #define ISO_DIRECTORY_RECORD_SIZE 33 |
| |
| struct iso_extended_attributes { |
| u_char owner [ISODCL (1, 4)]; /* 723 */ |
| u_char group [ISODCL (5, 8)]; /* 723 */ |
| u_char perm [ISODCL (9, 10)]; /* 9.5.3 */ |
| char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */ |
| char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */ |
| char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */ |
| char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */ |
| char recfmt [ISODCL (79, 79)]; /* 711 */ |
| char recattr [ISODCL (80, 80)]; /* 711 */ |
| u_char reclen [ISODCL (81, 84)]; /* 723 */ |
| char system_id [ISODCL (85, 116)]; /* achars */ |
| char system_use [ISODCL (117, 180)]; |
| char version [ISODCL (181, 181)]; /* 711 */ |
| char len_esc [ISODCL (182, 182)]; /* 711 */ |
| char reserved [ISODCL (183, 246)]; |
| u_char len_au [ISODCL (247, 250)]; /* 723 */ |
| }; |
| |
| #ifdef _KERNEL |
| |
| /* CD-ROM Format type */ |
| enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, |
| ISO_FTYPE_JOLIET, ISO_FTYPE_ECMA, ISO_FTYPE_HIGH_SIERRA }; |
| |
| #ifndef ISOFSMNT_ROOT |
| #define ISOFSMNT_ROOT 0 |
| #endif |
| |
| struct iso_mnt { |
| uint64_t im_flags; |
| |
| struct mount *im_mountp; |
| struct cdev *im_dev; |
| struct vnode *im_devvp; |
| |
| struct g_consumer *im_cp; |
| struct bufobj *im_bo; |
| |
| int logical_block_size; |
| int im_bshift; |
| int im_bmask; |
| |
| int volume_space_size; |
| |
| char root[ISODCL (157, 190)]; |
| int root_extent; |
| int root_size; |
| enum ISO_FTYPE iso_ftype; |
| |
| int rr_skip; |
| int rr_skip0; |
| |
| int joliet_level; |
| |
| void *im_d2l; |
| void *im_l2d; |
| }; |
| |
| struct ifid { |
| u_short ifid_len; |
| u_short ifid_pad; |
| int ifid_ino; |
| long ifid_start; |
| }; |
| |
| #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) |
| |
| #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) |
| #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) |
| #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) |
| #define blksize(imp, ip, lbn) ((imp)->logical_block_size) |
| |
| int cd9660_vget_internal(struct mount *, ino_t, int, struct vnode **, int, |
| struct iso_directory_record *); |
| #define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \ |
| size_t, struct proc *))eopnotsupp) |
| |
| extern struct vop_vector cd9660_vnodeops; |
| extern struct vop_vector cd9660_fifoops; |
| |
| int isochar(u_char *, u_char *, int, u_short *, int *, int, void *); |
| int isofncmp(u_char *, int, u_char *, int, int, int, void *, void *); |
| void isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int, void *); |
| ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); |
| u_short sgetrune(const char *, size_t, char const **, int, void *); |
| |
| #endif /* _KERNEL */ |
| |
| /* |
| * The isonum_xxx functions are inlined anyway, and could come handy even |
| * outside the kernel. Thus we don't hide them here. |
| */ |
| |
| /* |
| * 7xy |
| * x -> 1 = 8 bits, 2 = 16 bits, 3 = 32 bits |
| * y -> 1 = little-endian, 2 = big-endian, 3 = both (le then be) |
| */ |
| |
| static __inline uint8_t |
| isonum_711(const unsigned char *p) |
| { |
| |
| return (p[0]); |
| } |
| |
| static __inline int8_t |
| isonum_712(const unsigned char *p) |
| { |
| |
| return ((signed char)p[0]); |
| } |
| |
| static __inline uint8_t |
| isonum_713(const unsigned char *p) |
| { |
| |
| return (p[0]); |
| } |
| |
| static __inline uint16_t |
| isonum_721(const unsigned char *p) |
| { |
| |
| return (p[0] | p[1] << 8); |
| } |
| |
| static __inline uint16_t |
| isonum_722(const unsigned char *p) |
| { |
| |
| return (p[1] | p[0] << 8); |
| } |
| |
| static __inline uint16_t |
| isonum_723(const unsigned char *p) |
| { |
| |
| return (p[0] | p[1] << 8); |
| } |
| |
| static __inline uint32_t |
| isonum_731(const unsigned char *p) |
| { |
| |
| return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); |
| } |
| |
| static __inline uint32_t |
| isonum_732(const unsigned char *p) |
| { |
| |
| return (p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24); |
| } |
| |
| static __inline uint32_t |
| isonum_733(const unsigned char *p) |
| { |
| |
| return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); |
| } |
| |
| /* |
| * Associated files have a leading '='. |
| */ |
| #define ASSOCCHAR '=' |