/* * SPDX-License-Identifier: BSD-3-Clause * * 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. * 3. 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 */ #ifndef ISO_H #define ISO_H #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 { uchar_t 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 */ uchar_t 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)]; } __packed; #define ISO_DEFAULT_BLOCK_SHIFT 11 #define ISO_DEFAULT_BLOCK_SIZE (1 << ISO_DEFAULT_BLOCK_SHIFT) /* * 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 { uchar_t length [ISODCL(1, 1)]; /* 711 */ uchar_t ext_attr_length [ISODCL(2, 2)]; /* 711 */ uchar_t extent [ISODCL(3, 10)]; /* 733 */ uchar_t size [ISODCL(11, 18)]; /* 733 */ char date [ISODCL(19, 25)]; /* 7 by 711 */ uchar_t 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 */ uchar_t name_len [ISODCL(33, 33)]; /* 711 */ char name [1]; /* XXX */ } __packed; /* * 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 { uchar_t owner [ISODCL(1, 4)]; /* 723 */ uchar_t group [ISODCL(5, 8)]; /* 723 */ uchar_t 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 */ uchar_t 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)]; uchar_t 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 /* * When ino_t becomes 64-bit, we can remove this definition in favor of ino_t. */ typedef __uint64_t cd_ino_t; 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 { ushort_t ifid_len; ushort_t ifid_pad; cd_ino_t 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 *, cd_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(uchar_t *, uchar_t *, int, ushort_t *, int *, int, void *); int isofncmp(uchar_t *, int, uchar_t *, int, int, int, void *, void *); void isofntrans(uchar_t *, int, uchar_t *, ushort_t *, int, int, int, int, void *); cd_ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); ushort_t 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 '=' #endif /* ISO_H */