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/*
*
* Bluetooth packet analyzer - Common parser functions
*
* Copyright (C) 2000-2002 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* $Id$
*/
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <netinet/in.h>
#include "parser.h"
struct parser_t parser;
void init_parser(unsigned long flags, unsigned long filter, unsigned int defpsm)
{
if ((flags & DUMP_RAW) && !(flags & DUMP_TYPE_MASK))
flags |= DUMP_HEX;
parser.flags = flags;
parser.filter = filter;
parser.defpsm = defpsm;
parser.state = 0;
}
#define PROTO_TABLE_SIZE 20
static struct {
uint16_t handle;
uint16_t psm;
uint32_t proto;
} proto_table[PROTO_TABLE_SIZE];
void set_proto(uint16_t handle, uint16_t psm, uint32_t proto)
{
int i, pos = -1;
if (psm < 0x1000)
return;
for (i = 0; i < PROTO_TABLE_SIZE; i++) {
if (proto_table[i].handle == handle && proto_table[i].psm == psm) {
pos = i;
break;
}
if (pos < 0 && !proto_table[i].handle && !proto_table[i].psm)
pos = i;
}
if (pos < 0)
return;
proto_table[pos].handle = handle;
proto_table[pos].psm = psm;
proto_table[pos].proto = proto;
}
uint32_t get_proto(uint16_t handle, uint16_t psm)
{
int i, pos = -1;
for (i = 0; i < PROTO_TABLE_SIZE; i++) {
if (proto_table[i].handle == handle && proto_table[i].psm == psm)
return proto_table[i].proto;
if (!proto_table[i].handle && proto_table[i].psm == psm)
pos = i;
}
return (pos < 0) ? 0 : proto_table[pos].proto;
}
void hex_dump(int level, struct frame *frm, int num)
{
unsigned char *buf = frm->ptr;
register int i,n;
if ((num < 0) || (num > frm->len))
num = frm->len;
for (i = 0, n = 1; i < num; i++, n++) {
if (n == 1)
p_indent(level, frm);
printf("%2.2X ", buf[i]);
if (n == DUMP_WIDTH) {
printf("\n");
n = 0;
}
}
if (i && n!=1)
printf("\n");
}
void ascii_dump(int level, struct frame *frm, int num)
{
unsigned char *buf = frm->ptr;
register int i,n;
if ((num < 0) || (num > frm->len))
num = frm->len;
for (i = 0, n = 1; i < num; i++, n++) {
if (n == 1)
p_indent(level, frm);
printf("%1c ", isprint(buf[i]) ? buf[i] : '.');
if (n == DUMP_WIDTH) {
printf("\n");
n = 0;
}
}
if (i && n!=1)
printf("\n");
}
void raw_ndump(int level, struct frame *frm, int num)
{
if (!frm->len)
return;
switch (parser.flags & DUMP_TYPE_MASK) {
case DUMP_ASCII:
ascii_dump(level, frm, num);
break;
case DUMP_HEX:
hex_dump(level, frm, num);
break;
}
}
void raw_dump(int level, struct frame *frm)
{
raw_ndump(level, frm, -1);
}
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