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138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
/*
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* Copyright (c) 2007 - Andrey "nording" Chernyak <andrew@nording.ru>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Format and print Realtek Remote Control Protocol (RRCP)
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* and Realtek Echo Protocol (RRCP-REP) packets.
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-rrcp.c,v 1.1.2.2 2008-04-11 17:00:00 gianluca Exp $";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include <stdio.h>
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#include <string.h>
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#include "netdissect.h"
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#include "addrtoname.h"
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#include "extract.h"
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#include "ether.h"
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#ifndef ETH_ALEN
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#define ETH_ALEN 6
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#endif
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struct rrcp_packet_t
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{
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u_int16_t rrcp_ethertype; /* 0x8899 */
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u_int8_t rrcp_proto; /* must be 0x01 */
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u_int8_t rrcp_opcode:7; /* 0x00 = hello, 0x01 = get, 0x02 = set */
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u_int8_t rrcp_isreply:1; /* 0 = request to switch, 1 = reply from switch */
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u_int16_t rrcp_authkey; /* 0x2379 by default */
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u_int16_t rrcp_reg_addr; /* register address */
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u_int32_t rrcp_reg_data; /* register data */
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u_int32_t cookie1;
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u_int32_t cookie2;
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};
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struct rrcp_helloreply_packet_t
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{
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u_int16_t rrcp_ethertype; /* 0x8899 */
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u_int8_t rrcp_proto; /* must be 0x01 */
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u_int8_t rrcp_opcode:7; /* 0x00 = hello, 0x01 = get, 0x02 = set */
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u_int8_t rrcp_isreply:1; /* 0 = request to switch, 1 = reply from switch */
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u_int16_t rrcp_authkey; /* 0x2379 by default */
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u_int8_t rrcp_downlink_port; /* */
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u_int8_t rrcp_uplink_port; /* */
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u_int8_t rrcp_uplink_mac[ETH_ALEN]; /* */
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u_int16_t rrcp_chip_id; /* */
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u_int32_t rrcp_vendor_id; /* */
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};
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/*
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* Print RRCP requests
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*/
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void
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rrcp_print(netdissect_options *ndo,
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register const u_char *cp,
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u_int length _U_)
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{
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const struct rrcp_packet_t *rrcp;
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const struct rrcp_helloreply_packet_t *rrcp_hello;
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register const struct ether_header *ep;
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char proto_str[16];
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char opcode_str[32];
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ep = (const struct ether_header *)cp;
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rrcp = (const struct rrcp_packet_t *)(cp+12);
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rrcp_hello = (const struct rrcp_helloreply_packet_t *)(cp+12);
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if (rrcp->rrcp_proto==1){
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strcpy(proto_str,"RRCP");
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}else if ( rrcp->rrcp_proto==2 ){
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strcpy(proto_str,"RRCP-REP");
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}else{
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sprintf(proto_str,"RRCP-0x%02d",rrcp->rrcp_proto);
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}
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if (rrcp->rrcp_opcode==0){
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strcpy(opcode_str,"hello");
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}else if ( rrcp->rrcp_opcode==1 ){
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strcpy(opcode_str,"get");
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}else if ( rrcp->rrcp_opcode==2 ){
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strcpy(opcode_str,"set");
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}else{
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sprintf(opcode_str,"unknown opcode (0x%02d)",rrcp->rrcp_opcode);
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}
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ND_PRINT((ndo, "%s > %s, %s %s",
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etheraddr_string(ESRC(ep)),
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etheraddr_string(EDST(ep)),
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proto_str, rrcp->rrcp_isreply ? "reply" : "query"));
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if (rrcp->rrcp_proto==1){
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ND_PRINT((ndo, ": %s", opcode_str));
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}
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if (rrcp->rrcp_opcode==1 || rrcp->rrcp_opcode==2){
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ND_PRINT((ndo, " addr=0x%04x, data=0x%04x",
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rrcp->rrcp_reg_addr, rrcp->rrcp_reg_data, rrcp->rrcp_authkey));
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}
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if (rrcp->rrcp_proto==1){
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ND_PRINT((ndo, ", auth=0x%04x",
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ntohs(rrcp->rrcp_authkey)));
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}
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if (rrcp->rrcp_proto==1 && rrcp->rrcp_opcode==0 && rrcp->rrcp_isreply){
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ND_PRINT((ndo, " downlink_port=%d, uplink_port=%d, uplink_mac=%s, vendor_id=%08x ,chip_id=%04x ",
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rrcp_hello->rrcp_downlink_port,
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rrcp_hello->rrcp_uplink_port,
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etheraddr_string(rrcp_hello->rrcp_uplink_mac),
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rrcp_hello->rrcp_vendor_id,
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rrcp_hello->rrcp_chip_id));
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}else if (rrcp->rrcp_opcode==1 || rrcp->rrcp_opcode==2 || rrcp->rrcp_proto==2){
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ND_PRINT((ndo, ", cookie=0x%08x%08x ",
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rrcp->cookie2, rrcp->cookie1));
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}
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if (!ndo->ndo_vflag)
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return;
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}
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