b636d99d91
For now, printing of Sun RPC requests is disabled because we do not yet have the RPC header files. This should affect basically noone, as we do not have any RPC-based programs yet, for the same reason. Change-Id: Ie7818faaaacdc104d8b2c37a68866b4ce18247d6
181 lines
3.8 KiB
C
181 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2009
|
|
* Siemens AG, All rights reserved.
|
|
* Dmitry Eremin-Solenikov (dbaryshkov@gmail.com)
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
#define NETDISSECT_REWORKED
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <tcpdump-stdinc.h>
|
|
|
|
#include "interface.h"
|
|
#include "addrtoname.h"
|
|
|
|
#include "extract.h"
|
|
|
|
static const char *ftypes[] = {
|
|
"Beacon", /* 0 */
|
|
"Data", /* 1 */
|
|
"ACK", /* 2 */
|
|
"Command", /* 3 */
|
|
"Reserved", /* 4 */
|
|
"Reserved", /* 5 */
|
|
"Reserved", /* 6 */
|
|
"Reserved", /* 7 */
|
|
};
|
|
|
|
static int
|
|
extract_header_length(uint16_t fc)
|
|
{
|
|
int len = 0;
|
|
|
|
switch ((fc >> 10) & 0x3) {
|
|
case 0x00:
|
|
if (fc & (1 << 6)) /* intra-PAN with none dest addr */
|
|
return -1;
|
|
break;
|
|
case 0x01:
|
|
return -1;
|
|
case 0x02:
|
|
len += 4;
|
|
break;
|
|
case 0x03:
|
|
len += 10;
|
|
break;
|
|
}
|
|
|
|
switch ((fc >> 14) & 0x3) {
|
|
case 0x00:
|
|
break;
|
|
case 0x01:
|
|
return -1;
|
|
case 0x02:
|
|
len += 4;
|
|
break;
|
|
case 0x03:
|
|
len += 10;
|
|
break;
|
|
}
|
|
|
|
if (fc & (1 << 6)) {
|
|
if (len < 2)
|
|
return -1;
|
|
len -= 2;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
u_int
|
|
ieee802_15_4_if_print(netdissect_options *ndo,
|
|
const struct pcap_pkthdr *h, const u_char *p)
|
|
{
|
|
u_int caplen = h->caplen;
|
|
int hdrlen;
|
|
uint16_t fc;
|
|
uint8_t seq;
|
|
|
|
if (caplen < 3) {
|
|
ND_PRINT((ndo, "[|802.15.4] %x", caplen));
|
|
return caplen;
|
|
}
|
|
|
|
fc = EXTRACT_LE_16BITS(p);
|
|
hdrlen = extract_header_length(fc);
|
|
|
|
seq = EXTRACT_LE_8BITS(p + 2);
|
|
|
|
p += 3;
|
|
caplen -= 3;
|
|
|
|
ND_PRINT((ndo,"IEEE 802.15.4 %s packet ", ftypes[fc & 0x7]));
|
|
if (ndo->ndo_vflag)
|
|
ND_PRINT((ndo,"seq %02x ", seq));
|
|
if (hdrlen == -1) {
|
|
ND_PRINT((ndo,"malformed! "));
|
|
return caplen;
|
|
}
|
|
|
|
|
|
if (!ndo->ndo_vflag) {
|
|
p+= hdrlen;
|
|
caplen -= hdrlen;
|
|
} else {
|
|
uint16_t panid = 0;
|
|
|
|
switch ((fc >> 10) & 0x3) {
|
|
case 0x00:
|
|
ND_PRINT((ndo,"none "));
|
|
break;
|
|
case 0x01:
|
|
ND_PRINT((ndo,"reserved destination addressing mode"));
|
|
return 0;
|
|
case 0x02:
|
|
panid = EXTRACT_LE_16BITS(p);
|
|
p += 2;
|
|
ND_PRINT((ndo,"%04x:%04x ", panid, EXTRACT_LE_16BITS(p)));
|
|
p += 2;
|
|
break;
|
|
case 0x03:
|
|
panid = EXTRACT_LE_16BITS(p);
|
|
p += 2;
|
|
ND_PRINT((ndo,"%04x:%s ", panid, le64addr_string(p)));
|
|
p += 8;
|
|
break;
|
|
}
|
|
ND_PRINT((ndo,"< "));
|
|
|
|
switch ((fc >> 14) & 0x3) {
|
|
case 0x00:
|
|
ND_PRINT((ndo,"none "));
|
|
break;
|
|
case 0x01:
|
|
ND_PRINT((ndo,"reserved source addressing mode"));
|
|
return 0;
|
|
case 0x02:
|
|
if (!(fc & (1 << 6))) {
|
|
panid = EXTRACT_LE_16BITS(p);
|
|
p += 2;
|
|
}
|
|
ND_PRINT((ndo,"%04x:%04x ", panid, EXTRACT_LE_16BITS(p)));
|
|
p += 2;
|
|
break;
|
|
case 0x03:
|
|
if (!(fc & (1 << 6))) {
|
|
panid = EXTRACT_LE_16BITS(p);
|
|
p += 2;
|
|
}
|
|
ND_PRINT((ndo,"%04x:%s ", panid, le64addr_string(p)));
|
|
p += 8;
|
|
break;
|
|
}
|
|
|
|
caplen -= hdrlen;
|
|
}
|
|
|
|
if (!ndo->ndo_suppress_default_print)
|
|
ND_DEFAULTPRINT(p, caplen);
|
|
|
|
return 0;
|
|
}
|