udfslib.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
* 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
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Library of support routines for UDFS data structures and conversions.
*/
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include "udfs.h"
char *tagerrs[] = {
"no error",
"invalid checksum", /* TAGERR_CKSUM */
"unknown tag id", /* TAGERR_ID */
"invalid version", /* TAGERR_VERSION */
"CRC length too large", /* TAGERR_TOOBIG */
"invalid CRC", /* TAGERR_CRC */
"location mismatch" /* TAGERR_LOC */
};
#ifdef sparc
((x) & 0xff0000) >> 8 | ((x) >> 24) & 0xff)
#else
#define SWAP16(x) (x)
#define SWAP32(x) (x)
#define SWAP64(x) (x)
#endif
static void ud_swap_ext_ad(struct extent_ad *);
static void ud_swap_tstamp(struct tstamp *);
static void ud_swap_icb_tag(struct icb_tag *);
void ud_swap_short_ad(struct short_ad *);
void ud_swap_long_ad(struct long_ad *);
static void ud_swap_pri_vol_desc(struct pri_vol_desc *);
static void ud_swap_vdp(struct vol_desc_ptr *);
static void ud_swap_iuvd(struct iuvd_desc *);
static void ud_swap_avdp(struct anch_vol_desc_ptr *);
static void ud_swap_part_desc(struct part_desc *);
static void ud_swap_log_desc(struct log_vol_desc *);
static void ud_swap_unall_desc(struct unall_spc_desc *);
static void ud_swap_lvint(struct log_vol_int_desc *);
static void ud_swap_fileset_desc(struct file_set_desc *);
static void ud_swap_term_desc(struct term_desc *);
static void ud_swap_file_id(struct file_id *);
static void ud_swap_file_entry(struct file_entry *, int);
static void ud_swap_alloc_ext(struct alloc_ext_desc *);
static void ud_swap_tstamp(tstamp_t *);
static void ud_swap_space_bitmap(struct space_bmap_desc *);
extern uint32_t ecma_version;
void
{
itp->tag_crc_len);
}
/* Swap fields */
case UD_PRI_VOL_DESC:
break;
case UD_ANCH_VOL_DESC:
break;
case UD_VOL_DESC_PTR:
break;
case UD_IMPL_USE_DESC:
break;
case UD_PART_DESC:
break;
case UD_LOG_VOL_DESC:
break;
case UD_UNALL_SPA_DESC:
break;
case UD_TERM_DESC:
break;
case UD_LOG_VOL_INT:
/* LINTED */
break;
case UD_FILE_SET_DESC:
break;
case UD_FILE_ID_DESC:
break;
case UD_ALLOC_EXT_DESC:
break;
case UD_INDIRECT_ENT:
break;
case UD_TERMINAL_ENT:
break;
case UD_FILE_ENTRY:
/* LINTED */
break;
case UD_EXT_ATTR_HDR:
break;
case UD_UNALL_SPA_ENT:
break;
case UD_SPA_BMAP_DESC:
break;
case UD_PART_INT_DESC:
break;
}
itp->tag_crc_len, 0));
/*
* Now do checksum on tag itself
*/
sum = 0;
for (i = 0; i < sizeof (*otp); i++)
}
{
int sum, i;
for (i = 0; i < sizeof (*tp); i++)
return (TAGERR_CKSUM);
return (TAGERR_ID);
if (vers > ecma_version)
return (TAGERR_VERSION);
return (TAGERR_TOOBIG);
return (TAGERR_CRC);
return (TAGERR_LOC);
if (!otp)
return (0);
otp->tag_crc_len);
/* Swap fields */
case UD_PRI_VOL_DESC:
break;
case UD_ANCH_VOL_DESC:
break;
case UD_VOL_DESC_PTR:
break;
case UD_IMPL_USE_DESC:
break;
case UD_PART_DESC:
break;
case UD_LOG_VOL_DESC:
break;
case UD_UNALL_SPA_DESC:
break;
case UD_TERM_DESC:
break;
case UD_LOG_VOL_INT:
/* LINTED */
break;
case UD_FILE_SET_DESC:
break;
case UD_FILE_ID_DESC:
break;
case UD_ALLOC_EXT_DESC:
break;
case UD_INDIRECT_ENT:
break;
case UD_TERMINAL_ENT:
break;
case UD_FILE_ENTRY:
/* LINTED */
break;
case UD_EXT_ATTR_HDR:
break;
case UD_UNALL_SPA_ENT:
break;
case UD_SPA_BMAP_DESC:
break;
case UD_PART_INT_DESC:
break;
}
return (0);
}
static void
ud_swap_ext_ad(struct extent_ad *p)
{
}
/* ARGSUSED */
static void
ud_swap_regid(struct regid *p)
{
}
static void
ud_swap_icb_tag(struct icb_tag *p)
{
}
void
ud_swap_short_ad(struct short_ad *p)
{
}
void
ud_swap_long_ad(struct long_ad *p)
{
}
static void
ud_swap_pri_vol_desc(struct pri_vol_desc *p)
{
ud_swap_ext_ad(&p->pvd_vol_abs);
ud_swap_ext_ad(&p->pvd_vcn);
ud_swap_regid(&p->pvd_appl_id);
ud_swap_tstamp(&p->pvd_time);
ud_swap_regid(&p->pvd_ii);
}
static void
ud_swap_iuvd(struct iuvd_desc *p)
{
ud_swap_regid(&p->iuvd_ii);
ud_swap_regid(&p->iuvd_iid);
}
static void
ud_swap_vdp(struct vol_desc_ptr *p)
{
ud_swap_ext_ad(&p->vdp_nvdse);
}
static void
ud_swap_avdp(struct anch_vol_desc_ptr *p)
{
ud_swap_ext_ad(&p->avd_main_vdse);
ud_swap_ext_ad(&p->avd_res_vdse);
}
static void
ud_swap_part_desc(struct part_desc *p)
{
ud_swap_regid(&p->pd_pcontents);
ud_swap_regid(&p->pd_ii);
/* LINTED */
}
}
static void
ud_swap_log_desc(struct log_vol_desc *p)
{
ud_swap_regid(&p->lvd_dom_id);
ud_swap_long_ad(&p->lvd_lvcu);
ud_swap_regid(&p->lvd_ii);
}
static void
ud_swap_unall_desc(struct unall_spc_desc *p)
{
}
static void
ud_swap_lvint(struct log_vol_int_desc *p)
{
ud_swap_tstamp(&p->lvid_tstamp);
ud_swap_ext_ad(&p->lvid_nie);
}
static void
ud_swap_fileset_desc(struct file_set_desc *p)
{
ud_swap_tstamp(&p->fsd_time);
ud_swap_long_ad(&p->fsd_root_icb);
ud_swap_regid(&p->fsd_did);
ud_swap_long_ad(&p->fsd_next);
}
/* ARGSUSED */
static void
ud_swap_term_desc(struct term_desc *p)
{
}
static void
ud_swap_file_id(struct file_id *p)
{
ud_swap_long_ad(&p->fid_icb);
}
static void
ud_swap_alloc_ext(struct alloc_ext_desc *p)
{
}
static void
ud_swap_space_bitmap(struct space_bmap_desc *p)
{
}
static void
{
int32_t i;
/* Do Extended Attributes and Allocation Descriptors */
if (rdflag) {
ud_swap_icb_tag(&p->fe_icb_tag);
}
case ICB_FLAG_SHORT_AD:
/* LINTED */
for (i = 0; i < p->fe_len_adesc / sizeof (short_ad_t);
i++, sap++)
break;
case ICB_FLAG_LONG_AD:
/* LINTED */
for (i = 0; i < p->fe_len_adesc / sizeof (long_ad_t);
i++, lap++)
break;
case ICB_FLAG_EXT_AD:
break;
case ICB_FLAG_ONE_AD:
break;
}
ud_swap_tstamp(&p->fe_acc_time);
ud_swap_tstamp(&p->fe_mod_time);
ud_swap_tstamp(&p->fe_attr_time);
ud_swap_long_ad(&p->fe_ea_icb);
ud_swap_regid(&p->fe_impl_id);
if (!rdflag) {
ud_swap_icb_tag(&p->fe_icb_tag);
}
}
static void
{
}
void
{
}
static unsigned short crctab[] = {
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};
static uint16_t
{
while (size-- > 0)
}