Source to bsd/isofs/cd9660/iso.h
/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* $NetBSD: iso.h,v 1.9 1995/01/18 09:23:19 mycroft Exp $ */
/*-
* 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 ([email protected]). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai ([email protected]).
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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 8.4 (Berkeley) 12/5/94
* HISTORY
* 22-Jan-98 radar 1669467 - ISO 9660 CD support - jwc
*/
#define ISODCL(from, to) (to - from + 1)
struct iso_volume_descriptor {
char type[ISODCL(1,1)]; /* 711 */
char volume_desc_id[ISODCL(2,6)];
char version[ISODCL(7,7)];
char data[ISODCL(8,2048)];
};
/* volume descriptor types */
#define ISO_VD_PRIMARY 1
#define ISO_VD_END 255
#define ISO_STANDARD_ID "CD001"
#define ISO_ECMA_ID "CDW01"
#define ISO_XA_ID "CD-XA001" // XA style disk signature - radar 1669467
#define DEFAULTTYPE 0x54455854 // 'TEXT' - radar 1669467
#define DEFAULTCREATOR 0x68736364 // 'hscd' - radar 1669467
#define ISO9660SIGNATURE 0x4147 /* for getattrlist ATTR_VOL_SIGNATURE */
/* Finder flags, from Technical Note 40 - radar 1669467 */
#define fLockedBit 0x8000
#define fInvisibleBit 0x4000
#define fHasBundleBit 0x2000
#define fSystemBit 0x1000
#define fNoCopyBit 0x0800
#define fBusyBit 0x0400
#define fChangedBit 0x0200
#define fInitedBit 0x0100
#define fCachedBit 0x0080
#define fSharedBit 0x0040
#define fAlwaysBit 0x0020 /* always switch-launch */
#define fNeverBit 0x0010 /* never switch-launch */
#define fOwnApplBit 0x0002
#define fOnDesktopBit 0x0001
#define EXTFNDRINFOSIZE 16
struct finder_info {
unsigned long fdType;
unsigned long fdCreator;
unsigned short fdFlags;
unsigned short fdReserved[3];
};
struct iso_primary_descriptor {
char type [ISODCL ( 1, 1)]; /* 711 */
char primary_desc_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)];
#if 1 // radar 1669467
char application_data1 [ISODCL (884, 1024)];
char CDXASignature [ISODCL (1025, 1032)];
char CDXAResv [ISODCL (1033, 1050)];
char application_data2 [ISODCL (1051, 1395)];
#else
char application_data [ISODCL (884, 1395)];
char unused5 [ISODCL (1396, 2048)];
#endif // radar 1669467
};
#define ISO_DEFAULT_BLOCK_SIZE 2048
#if 1 // radar 1669467
/* from HighSierra.h in MacOS land */
typedef struct
{
char signature [ISODCL (1, 2)]; /* x42 x41 - 'BA' signature */
u_char systemUseID [ISODCL (3, 3)]; /* 02 = no icon, 03 = icon, 04 = icon + bundle */
u_char fileType [ISODCL (4, 7)]; /* such as 'TEXT' or 'STAK' */
u_char fileCreator [ISODCL (8, 11)]; /* such as 'hscd' or 'WILD' */
u_char finderFlags [ISODCL (12, 13)]; /* optional for type 06 */
} AppleExtension;
typedef struct
{
char signature [ISODCL (1, 2)]; /* x41 x41 - 'AA' signature */
u_char OSULength [ISODCL (3, 3)]; /* optional SystemUse length (size of this struct) */
u_char systemUseID [ISODCL (4, 4)]; /* 1 = ProDOS 2 = HFS */
u_char fileType [ISODCL (5, 8)]; /* such as 'TEXT' or 'STAK' */
u_char fileCreator [ISODCL (9, 12)]; /* such as 'hscd' or 'WILD' */
u_char finderFlags [ISODCL (13, 14)]; /* only certain bits of this are used */
} NewAppleExtension;
#endif
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
/*
* iso_directory_record.flags for Directory Records (except CD-I discs) - radar 1669467
*/
#define existenceBit 0x01 // Invisible
#define directoryBit 0x02
#define associatedBit 0x04
#define recordBit 0x08
#define protectionBit 0x10
#define multiextentBit 0x80
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 */
};
/* CD-ROM Format type */
enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
#ifndef ISOFSMNT_ROOT
#define ISOFSMNT_ROOT 0
#endif
struct iso_mnt {
int im_flags; // mount flags
int im_flags2; // misc flags - radar 1669467
struct mount *im_mountp;
dev_t im_dev;
struct vnode *im_devvp;
int logical_block_size;
int im_bshift;
int im_bmask;
int volume_space_size;
struct netexport im_export;
char root[ISODCL (157, 190)];
int root_extent;
int root_size;
enum ISO_FTYPE iso_ftype;
int rr_skip;
int rr_skip0;
struct timespec creation_date; /* needed for getattrlist */
struct timespec modification_date; /* needed for getattrlist */
u_char volume_id[32]; /* name of volume */
};
/* bit settings for iso_mnt.im_flags2 */
#define IMF2_IS_CDXA 0x00000001 // CD is in XA format. Need this to find where apple extensions
// are in the iso_directory_record - radar 1669467
#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_mount __P((struct mount *,
char *, caddr_t, struct nameidata *, struct proc *));
int cd9660_start __P((struct mount *, int, struct proc *));
int cd9660_unmount __P((struct mount *, int, struct proc *));
int cd9660_root __P((struct mount *, struct vnode **));
int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *));
int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *));
int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *));
int cd9660_vget __P((struct mount *, void *, struct vnode **));
int cd9660_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
struct vnode **, int *, struct ucred **));
int cd9660_vptofh __P((struct vnode *, struct fid *));
int cd9660_init __P(());
int cd9660_mountroot __P((void));
int cd9660_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *));
extern int (**cd9660_vnodeop_p)();
extern int (**cd9660_specop_p)();
#if FIFO
extern int (**cd9660_fifoop_p)();
#endif
static __inline int
isonum_711(p)
u_char *p;
{
return *p;
}
static __inline int
isonum_712(p)
char *p;
{
return *p;
}
#ifndef UNALIGNED_ACCESS
static __inline int
isonum_723(p)
u_char *p;
{
return *p|(p[1] << 8);
}
static __inline int
isonum_733(p)
u_char *p;
{
return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24);
}
#else /* UNALIGNED_ACCESS */
#if BYTE_ORDER == LITTLE_ENDIAN
static __inline int
isonum_723(p)
u_char *p
{
return *(u_int16t *)p;
}
static __inline int
isonum_733(p)
u_char *p;
{
return *(u_int32t *)p;
}
#endif
#if BYTE_ORDER == BIG_ENDIAN
static __inline int
isonum_723(p)
u_char *p
{
return *(u_int16t *)(p + 2);
}
static __inline int
isonum_733(p)
u_char *p;
{
return *(u_int32t *)(p + 4);
}
#endif
#endif /* UNALIGNED_ACCESS */
int isofncmp __P((u_char *, int, u_char *, int));
void isofntrans __P((u_char *, int, u_char *, u_short *, int, int));
ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
int attrcalcsize __P((struct attrlist *attrlist));
void packattrblk __P((struct attrlist *alist, struct vnode *vp,
void **attrbufptrptr, void **varbufptrptr));
/*
* Associated files have a leading '='.
*/
#define ASSOCCHAR '='