diff options
Diffstat (limited to 'contrib/tcpdump/print-rrcp.c')
| -rw-r--r-- | contrib/tcpdump/print-rrcp.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-rrcp.c b/contrib/tcpdump/print-rrcp.c new file mode 100644 index 0000000..dc30457 --- /dev/null +++ b/contrib/tcpdump/print-rrcp.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2007 - Andrey "nording" Chernyak <andrew@nording.ru> + * + * 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. + * + * Format and print Realtek Remote Control Protocol (RRCP) + * and Realtek Echo Protocol (RRCP-REP) packets. + */ + +#ifndef lint +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-rrcp.c,v 1.1.2.2 2008-04-11 17:00:00 gianluca Exp $"; +#endif + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <tcpdump-stdinc.h> + +#include <stdio.h> +#include <string.h> + +#include "netdissect.h" +#include "addrtoname.h" +#include "extract.h" +#include "ether.h" + +#ifndef ETH_ALEN +#define ETH_ALEN 6 +#endif + +struct rrcp_packet_t +{ + u_int16_t rrcp_ethertype; /* 0x8899 */ + u_int8_t rrcp_proto; /* must be 0x01 */ + u_int8_t rrcp_opcode:7; /* 0x00 = hello, 0x01 = get, 0x02 = set */ + u_int8_t rrcp_isreply:1; /* 0 = request to switch, 1 = reply from switch */ + u_int16_t rrcp_authkey; /* 0x2379 by default */ + u_int16_t rrcp_reg_addr; /* register address */ + u_int32_t rrcp_reg_data; /* register data */ + u_int32_t cookie1; + u_int32_t cookie2; +}; + +struct rrcp_helloreply_packet_t +{ + u_int16_t rrcp_ethertype; /* 0x8899 */ + u_int8_t rrcp_proto; /* must be 0x01 */ + u_int8_t rrcp_opcode:7; /* 0x00 = hello, 0x01 = get, 0x02 = set */ + u_int8_t rrcp_isreply:1; /* 0 = request to switch, 1 = reply from switch */ + u_int16_t rrcp_authkey; /* 0x2379 by default */ + u_int8_t rrcp_downlink_port; /* */ + u_int8_t rrcp_uplink_port; /* */ + u_int8_t rrcp_uplink_mac[ETH_ALEN]; /* */ + u_int16_t rrcp_chip_id; /* */ + u_int32_t rrcp_vendor_id; /* */ +}; + + +/* + * Print RRCP requests + */ +void +rrcp_print(netdissect_options *ndo, + register const u_char *cp, + u_int length _U_) +{ + const struct rrcp_packet_t *rrcp; + const struct rrcp_helloreply_packet_t *rrcp_hello; + register const struct ether_header *ep; + char proto_str[16]; + char opcode_str[32]; + + ep = (const struct ether_header *)cp; + rrcp = (const struct rrcp_packet_t *)(cp+12); + rrcp_hello = (const struct rrcp_helloreply_packet_t *)(cp+12); + + if (rrcp->rrcp_proto==1){ + strcpy(proto_str,"RRCP"); + }else if ( rrcp->rrcp_proto==2 ){ + strcpy(proto_str,"RRCP-REP"); + }else{ + sprintf(proto_str,"RRCP-0x%02d",rrcp->rrcp_proto); + } + if (rrcp->rrcp_opcode==0){ + strcpy(opcode_str,"hello"); + }else if ( rrcp->rrcp_opcode==1 ){ + strcpy(opcode_str,"get"); + }else if ( rrcp->rrcp_opcode==2 ){ + strcpy(opcode_str,"set"); + }else{ + sprintf(opcode_str,"unknown opcode (0x%02d)",rrcp->rrcp_opcode); + } + ND_PRINT((ndo, "%s > %s, %s %s", + etheraddr_string(ESRC(ep)), + etheraddr_string(EDST(ep)), + proto_str, rrcp->rrcp_isreply ? "reply" : "query")); + if (rrcp->rrcp_proto==1){ + ND_PRINT((ndo, ": %s", opcode_str)); + } + if (rrcp->rrcp_opcode==1 || rrcp->rrcp_opcode==2){ + ND_PRINT((ndo, " addr=0x%04x, data=0x%04x", + rrcp->rrcp_reg_addr, rrcp->rrcp_reg_data, rrcp->rrcp_authkey)); + } + if (rrcp->rrcp_proto==1){ + ND_PRINT((ndo, ", auth=0x%04x", + ntohs(rrcp->rrcp_authkey))); + } + if (rrcp->rrcp_proto==1 && rrcp->rrcp_opcode==0 && rrcp->rrcp_isreply){ + ND_PRINT((ndo, " downlink_port=%d, uplink_port=%d, uplink_mac=%s, vendor_id=%08x ,chip_id=%04x ", + rrcp_hello->rrcp_downlink_port, + rrcp_hello->rrcp_uplink_port, + etheraddr_string(rrcp_hello->rrcp_uplink_mac), + rrcp_hello->rrcp_vendor_id, + rrcp_hello->rrcp_chip_id)); + }else if (rrcp->rrcp_opcode==1 || rrcp->rrcp_opcode==2 || rrcp->rrcp_proto==2){ + ND_PRINT((ndo, ", cookie=0x%08x%08x ", + rrcp->cookie2, rrcp->cookie1)); + } + if (!ndo->ndo_vflag) + return; +} |
