358 lines
12 KiB
C
358 lines
12 KiB
C
/*-
|
|
* 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 {
|
|
int im_flags;
|
|
|
|
struct mount *im_mountp;
|
|
struct cdev *im_dev;
|
|
struct vnode *im_devvp;
|
|
|
|
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;
|
|
};
|
|
|
|
#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 *);
|
|
int cd9660_init(struct vfsconf *);
|
|
int cd9660_uninit(struct vfsconf *);
|
|
#define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \
|
|
size_t, struct proc *))eopnotsupp)
|
|
|
|
extern vop_t **cd9660_vnodeop_p;
|
|
extern vop_t **cd9660_specop_p;
|
|
extern vop_t **cd9660_fifoop_p;
|
|
|
|
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.
|
|
*/
|
|
|
|
static __inline int isonum_711(u_char *);
|
|
static __inline int
|
|
isonum_711(p)
|
|
u_char *p;
|
|
{
|
|
return *p;
|
|
}
|
|
|
|
static __inline int isonum_712(char *);
|
|
static __inline int
|
|
isonum_712(p)
|
|
char *p;
|
|
{
|
|
return *p;
|
|
}
|
|
|
|
#ifndef UNALIGNED_ACCESS
|
|
|
|
static __inline int isonum_723(u_char *);
|
|
static __inline int
|
|
isonum_723(p)
|
|
u_char *p;
|
|
{
|
|
return *p|(p[1] << 8);
|
|
}
|
|
|
|
static __inline int isonum_733(u_char *);
|
|
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 */
|
|
|
|
/*
|
|
* Associated files have a leading '='.
|
|
*/
|
|
#define ASSOCCHAR '='
|