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/*
* wi_xid.c
*
* $Id$
*
* Functions to deal with XID structures
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2018 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdio.h>
#include "Dk.h"
#include "Wi/widv.h"
#include "Wi/wi_xid.h"
#define XID_DEBUG
char* uuid_bin_encode (void* uuid)
{
char* encoded_str = dk_alloc_box (37, DV_STRING);
#ifdef XID_DEBUG
if (box_length (uuid) != sizeof(uuid_t))
GPF_T1 ("wrong uuid object received");
#endif
uuid_unparse ((unsigned char *) uuid, encoded_str);
return encoded_str;
}
void* uuid_bin_decode (const char* uuid_str)
{
uuid_t * xid = (uuid_t *) dk_alloc_box (sizeof (uuid_t), DV_BIN);
#ifdef XID_DEBUG
if (strlen (uuid_str) != 37)
GPF_T1 ("wrong uuid string received");
#endif
if (0 == uuid_parse ((const char*)uuid_str, (unsigned char *) xid))
return xid;
dk_free_box ((box_t) xid);
return 0;
}
static char char_16_table[] = "0123456789abcdef";
static int char_r_16_table[256] =
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* 0 */{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 1 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 2 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 3 */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
/* 4 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 5 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 6 */ -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 7 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 8 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 9 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* a */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* b */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* c */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* d */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* e */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* f */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
/* encoded xid string is sequence of 3 encoded longs in
network byte order + remains encoded data... */
#if 1 /* Aleksey, enable it when the java code will be updated */
static
int encode_ptr (unsigned char * ptr, int length, unsigned char * target)
{
unsigned char * xid_ptr = ptr;
unsigned char * xid_end = ptr+length;
unsigned char * where = target;
while (xid_ptr != xid_end)
{
where[0] = char_16_table [xid_ptr[0] / 16];
where[1] = char_16_table [xid_ptr[0] % 16];
where+=2;
xid_ptr++;
}
return (int) (where - target);
}
static
int decode_ptr (const unsigned char * from, int length, unsigned char * where)
{
const unsigned char * str_ptr = from;
const unsigned char * str_e = from + 2 * ( length / 2 ); /* only even numbers are allowed */
unsigned char * xid_ptr = where;
while (str_ptr != str_e)
{
#ifdef XID_DEBUG
if (char_r_16_table[(int)str_ptr[0]] == -1 ||
char_r_16_table[(int)str_ptr[1]] == -1)
GPF_T1 ("wrong xid string");
#endif
xid_ptr[0] = (char) char_r_16_table[(int)str_ptr[0]] * 16 + (char) char_r_16_table[(int)str_ptr[1]];
str_ptr+=2;
xid_ptr++;
}
return length;
}
char*
xid_bin_encode (void* _xid)
{
unsigned char* str_ptr;
unsigned char* encoded_str = str_ptr = (unsigned char *) dk_alloc_box (sizeof(virtXID)*2 + 1 ,DV_STRING);
virtXID * xid = (virtXID *) _xid;
int length;
int32 tmp_l;
/*log_debug (">> %d %d %d", xid->formatID, xid->gtrid_length, xid->bqual_length); */
LONG_SET_NA (&tmp_l, xid->formatID);
length = encode_ptr ((unsigned char *) &tmp_l, sizeof (tmp_l), encoded_str);
LONG_SET_NA (&tmp_l, xid->gtrid_length);
length += encode_ptr ((unsigned char *) &tmp_l, sizeof (tmp_l), encoded_str + length);
LONG_SET_NA (&tmp_l, xid->bqual_length);
length += encode_ptr ((unsigned char *) &tmp_l, sizeof (tmp_l), encoded_str + length);
length += encode_ptr ((unsigned char *) xid->data, XIDDATASIZE, encoded_str + length);
encoded_str[length] = 0;
/*log_debug (">> %s", encoded_str);*/
return (char *) encoded_str;
}
void*
xid_bin_decode (const char* xid_str)
{
int length = 0;
virtXID * xid;
caddr_t xid_ptr;
int32 tmp;
if (strlen(xid_str) != (sizeof(virtXID)*2))
return 0;
xid = (virtXID *) (xid_ptr = dk_alloc_box (sizeof (virtXID), DV_BIN));
length = decode_ptr ((unsigned char*)xid_str, sizeof (int32) * 2, (unsigned char*) &tmp);
xid->formatID = LONG_REF_NA (&tmp);
length += decode_ptr ((unsigned char*) (xid_str + length), sizeof (int32) * 2, (unsigned char*) &tmp);
xid->gtrid_length = LONG_REF_NA (&tmp);
length += decode_ptr ((unsigned char*) (xid_str + length), sizeof (int32) * 2, (unsigned char*) &tmp);
xid->bqual_length = LONG_REF_NA (&tmp);
decode_ptr ((unsigned char*) (xid_str + length), (int) (strlen (xid_str) - length), (unsigned char*) xid->data);
/*log_debug ("%s << %d %d %d", xid_str, xid->formatID, xid->gtrid_length, xid->bqual_length);*/
return xid;
}
#else
char*
xid_bin_encode (void* xid)
{
char* str_ptr;
char* encoded_str = str_ptr = dk_alloc_box (sizeof(XID)*2 + 1 ,DV_STRING);
unsigned char * xid_ptr = (unsigned char*)xid;
unsigned char * xid_end = (unsigned char*)(xid) + sizeof(XID);
while (xid_ptr != xid_end)
{
str_ptr[0] = char_16_table [xid_ptr[0] / 16];
str_ptr[1] = char_16_table [xid_ptr[0] % 16];
str_ptr+=2;
xid_ptr++;
}
str_ptr[0]=0;
return encoded_str;
}
void*
xid_bin_decode (const char* xid_str)
{
XID * xid;
caddr_t xid_ptr;
const char * str_ptr = xid_str;
if (strlen(xid_str) != (sizeof(XID)*2))
return 0;
xid = (XID *) (xid_ptr = dk_alloc_box (sizeof (XID), DV_BIN));
while (str_ptr[0])
{
#ifdef XID_DEBUG
if (char_r_16_table[(int)str_ptr[0]] == -1 ||
char_r_16_table[(int)str_ptr[1]] == -1)
GPF_T1 ("wrong xid string");
#endif
xid_ptr[0] = (char) char_r_16_table[(int)str_ptr[0]] * 16 + (char) char_r_16_table[(int)str_ptr[1]];
str_ptr+=2;
xid_ptr++;
}
return xid;
}
#endif
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