| /* |
| * 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 1.2 2008-04-11 17:21:34 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; |
| } |