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/*
* 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
*/
/*
* ISO 9660 RRIP extension filesystem specifications
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_FS_HSFS_SUSP_H
#define _SYS_FS_HSFS_SUSP_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#define DEBUGGING_ALL 0
#define DEBUGGING 0
#define DPRINTF if (DEBUGGING) printf
#define DPRINTF_ALL if (DEBUGGING_ALL) printf
/*
* return values from SUA parsing
*/
#define SUA_NULL_POINTER -1
#define END_OF_SUA_PARSING -2
#define END_OF_SUA -3
#define GET_CONTINUATION -4
#define SUA_ENOMEM -5
#define SUA_EINVAL -6
#define RELOC_DIR -7 /* actually for rrip */
/*
* For dealing with implemented bits...
* These here expect the fsp and a bit as an agument
*/
#define SET_IMPL_BIT(fsp, y) ((fsp->hsfs_ext_impl) |= (0x01L) << (y))
#define UNSET_IMPL_BIT(fsp, y) ((fsp->hsfs_ext_impl) &= ~((0x01L) << (y)))
#define IS_IMPL_BIT_SET(fsp, y) ((fsp->hsfs_ext_impl) & ((0x01L) << (y)))
#define HAVE_SUSP 0 /* have a SUSP */
#define HAVE_PROHIBITED 1 /* prohibited file/dir type in fs */
/*
* For dealing with implemented bits...
* These here expect just the fsp->hsfs_ext_impl
*/
#define SET_SUSP_BIT(fsp) (SET_IMPL_BIT((fsp), HAVE_SUSP))
#define UNSET_SUSP_BIT(fsp) (UNSET_IMPL_BIT((fsp), HAVE_SUSP))
#define IS_SUSP_IMPLEMENTED(fsp) (IS_IMPL_BIT_SET(fsp, 0) ? 1 : 0)
#define SUSP_VERSION 1
/*
* SUSP signagure definitions
*/
#define SUSP_SP "SP"
#define SUSP_CE "CE"
#define SUSP_PD "PD"
#define SUSP_ER "ER"
#define SUSP_ST "ST"
/*
* Generic System Use Field (SUF) Macros and declarations
*/
#define SUF_SIG_LEN 2 /* length of signatures */
#define SUF_MIN_LEN 4 /* minimum length of a */
/* signature field */
#define SUF_LEN(x) *(SUF_len(x)) /* SUF length */
#define SUF_len(x) (&((uchar_t *)x)[2]) /* SUF length */
#define SUF_VER(x) *(SUF_ver(x)) /* SUF version */
#define SUF_ver(x) (&((uchar_t *)x)[3]) /* SUF version */
/*
* Extension Reference Macros
*/
#define ER_ID_LEN(x) *(ER_id_len(x)) /* Extension ref id length */
#define ER_id_len(x) (&((uchar_t *)x)[4]) /* Extension ref id length */
#define ER_DES_LEN(x) *(ER_des_len(x)) /* Extension ref description */
/* length */
#define ER_des_len(x) (&((uchar_t *)x)[5]) /* Extension ref description */
/* length */
#define ER_SRC_LEN(x) *(ER_src_len(x)) /* Extension ref source */
/* description length */
#define ER_src_len(x) (&((uchar_t *)x)[6]) /* Extension ref source */
/* description length */
#define ER_EXT_VER(x) *(ER_ext_ver(x)) /* Extension ref description */
/* length */
#define ER_ext_ver(x) (&((uchar_t *)x)[7]) /* Extension ref description */
/* length */
#define ER_EXT_ID_LOC 8 /* location where the ER id */
/* string begins */
#define ER_ext_id(x) (&((uchar_t *)x)[ER_EXT_ID_LOC])
/* extension id string */
#define ER_ext_des(x) (&((uchar_t *)x)[ER_EXT_ID_LOC + ER_ID_LEN(x)])
/* ext. description string */
#define ER_ext_src(x) (&((uchar_t *)x)[ER_EXT_ID_LOC + ER_ID_LEN(x) + \
ER_DES_LEN(x)])
/* ext. source string */
/*
* Continuation Area Macros
*/
#define CE_BLK_LOC(x) BOTH_INT(CE_blk_loc(x)) /* cont. starting block */
#define CE_blk_loc(x) (&((uchar_t *)x)[4]) /* cont. starting block */
#define CE_OFFSET(x) BOTH_INT(CE_offset(x)) /* cont. offset */
#define CE_offset(x) (&((uchar_t *)x)[12]) /* cont. offset */
#define CE_CONT_LEN(x) BOTH_INT(CE_cont_len(x)) /* continuation len */
#define CE_cont_len(x) (&((uchar_t *)x)[20]) /* continuation len */
/*
* Sharing Protocol (SP) Macros
*/
#define SP_CHK_BYTE_1(x) *(SP_chk_byte_1(x)) /* check bytes */
#define SP_chk_byte_1(x) (&((uchar_t *)x)[4]) /* check bytes */
#define SP_CHK_BYTE_2(x) *(SP_chk_byte_2(x)) /* check bytes */
#define SP_chk_byte_2(x) (&((uchar_t *)x)[5]) /* check bytes */
#define SUSP_CHECK_BYTE_1 (uchar_t)0xBE /* check for 0xBE */
#define SUSP_CHECK_BYTE_2 (uchar_t)0xEF /* check for 0xEF */
#define CHECK_BYTES_OK(x) ((SP_CHK_BYTE_1(x) == SUSP_CHECK_BYTE_1) && \
(SP_CHK_BYTE_2(x) == SUSP_CHECK_BYTE_2))
#define SP_SUA_OFFSET(x) *(SP_sua_offset(x)) /* SUA bytes to skip */
#define SP_sua_offset(x) (&((uchar_t *)x)[6]) /* SUA bytes to skip */
/*
* Forward declarations
*/
#ifdef _KERNEL
extern uchar_t *share_protocol();
extern uchar_t *share_ext_ref();
extern uchar_t *share_continue();
extern uchar_t *share_padding();
extern uchar_t *share_stop();
#endif
/*
* Extension signature structure, to corrolate the handler functions
* with the signatures
*/
struct extension_signature_struct {
char *ext_signature; /* extension signature */
uchar_t *(*sig_handler)(); /* extension handler function */
};
typedef struct extension_signature_struct ext_signature_t;
/*
* Extension name structure, to corrolate the extensions with their own
* signature tables.
*/
struct extension_name_struct {
char *extension_name; /* ER field identifier */
ushort_t ext_version; /* version # of extensions */
ext_signature_t *signature_table; /* pointer to signature */
/* table for appropriate */
/* extension */
};
typedef struct extension_name_struct extension_name_t;
/*
* Extern declaration for all supported extensions
*/
struct cont_info_struct {
uint_t cont_lbn; /* location of cont */
uint_t cont_offset; /* offset into cont */
uint_t cont_len; /* len of cont */
};
typedef struct cont_info_struct cont_info_t;
/*
* Structure for passing arguments to sig_handler()'s. Since there are
* so many sig_handler()'s, it would be slower to pass multiple
* arguments to all of them. It would also ease maintainance
*/
struct sig_args_struct {
uchar_t *dirp; /* pointer to ISO dir entry */
uchar_t *name_p; /* dir entry name */
int *name_len_p; /* dir entry name length */
short flags; /* misc flags */
ulong_t name_flags; /* misc flags */
uchar_t *SUF_ptr; /* pointer to current SUF */
struct hs_direntry *hdp; /* directory entry */
struct hsfs *fsp; /* file system */
cont_info_t *cont_info_p; /* continuation area */
};
typedef struct sig_args_struct sig_args_t;
/*
* Extern declaration for all supported extensions
*/
#ifdef _KERNEL
extern ext_signature_t rrip_signature_table[];
extern ext_signature_t susp_signature_table[];
extern extension_name_t extension_name_table[];
extern ext_signature_t *susp_sp;
extern int parse_sua(uchar_t *, int *name_len_p, int *, uchar_t *, uint_t,
struct hs_direntry *, struct hsfs *, uchar_t *, int search_num);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FS_HSFS_SUSP_H */
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