1d03c0883SXin LI /* 2d03c0883SXin LI * Copyright (c) 2013 Romain Francoise <romain@orebokech.com> 3d03c0883SXin LI * 4d03c0883SXin LI * Redistribution and use in source and binary forms, with or without 5d03c0883SXin LI * modification, are permitted provided that the following conditions 6d03c0883SXin LI * are met: 7d03c0883SXin LI * 1. Redistributions of source code must retain the above copyright 8d03c0883SXin LI * notice, this list of conditions and the following disclaimer. 9d03c0883SXin LI * 2. Redistributions in binary form must reproduce the above copyright 10d03c0883SXin LI * notice, this list of conditions and the following disclaimer in the 11d03c0883SXin LI * documentation and/or other materials provided with the distribution. 12d03c0883SXin LI * 3. Neither the name of the project nor the names of its contributors 13d03c0883SXin LI * may be used to endorse or promote products derived from this software 14d03c0883SXin LI * without specific prior written permission. 15d03c0883SXin LI * 16d03c0883SXin LI * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17d03c0883SXin LI * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18d03c0883SXin LI * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19d03c0883SXin LI * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 20d03c0883SXin LI * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21d03c0883SXin LI * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22d03c0883SXin LI * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23d03c0883SXin LI * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24d03c0883SXin LI * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25d03c0883SXin LI * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26d03c0883SXin LI * SUCH DAMAGE. 27d03c0883SXin LI */ 28d03c0883SXin LI 29*3c602fabSXin LI #define NETDISSECT_REWORKED 30d03c0883SXin LI #ifdef HAVE_CONFIG_H 31d03c0883SXin LI #include "config.h" 32d03c0883SXin LI #endif 33d03c0883SXin LI 34d03c0883SXin LI #include <tcpdump-stdinc.h> 35d03c0883SXin LI 36*3c602fabSXin LI #include "interface.h" 37d03c0883SXin LI #include "addrtoname.h" 38d03c0883SXin LI #include "extract.h" 39d03c0883SXin LI 40d03c0883SXin LI struct msnlb_heartbeat_pkt { 41*3c602fabSXin LI uint32_t unknown1; 42*3c602fabSXin LI uint32_t unknown2; 43*3c602fabSXin LI uint32_t host_prio; /* little-endian */ 44*3c602fabSXin LI uint32_t virtual_ip; 45*3c602fabSXin LI uint32_t host_ip; 46d03c0883SXin LI /* the protocol is undocumented so we ignore the rest */ 47d03c0883SXin LI }; 48d03c0883SXin LI 49d03c0883SXin LI void 50*3c602fabSXin LI msnlb_print(netdissect_options *ndo, const u_char *bp) 51d03c0883SXin LI { 52d03c0883SXin LI const struct msnlb_heartbeat_pkt *hb; 53d03c0883SXin LI 54d03c0883SXin LI hb = (struct msnlb_heartbeat_pkt *)bp; 55d03c0883SXin LI ND_TCHECK(*hb); 56d03c0883SXin LI 57d03c0883SXin LI ND_PRINT((ndo, "MS NLB heartbeat, host priority: %u,", 58d03c0883SXin LI EXTRACT_LE_32BITS(&(hb->host_prio)))); 59*3c602fabSXin LI ND_PRINT((ndo, " cluster IP: %s,", ipaddr_string(ndo, &(hb->virtual_ip)))); 60*3c602fabSXin LI ND_PRINT((ndo, " host IP: %s", ipaddr_string(ndo, &(hb->host_ip)))); 61d03c0883SXin LI return; 62d03c0883SXin LI trunc: 63d03c0883SXin LI ND_PRINT((ndo, "[|MS NLB]")); 64d03c0883SXin LI } 65