1026d7285Schristos /* 2026d7285Schristos * Copyright (c) 2013 Romain Francoise <romain@orebokech.com> 3026d7285Schristos * 4026d7285Schristos * Redistribution and use in source and binary forms, with or without 5026d7285Schristos * modification, are permitted provided that the following conditions 6026d7285Schristos * are met: 7026d7285Schristos * 1. Redistributions of source code must retain the above copyright 8026d7285Schristos * notice, this list of conditions and the following disclaimer. 9026d7285Schristos * 2. Redistributions in binary form must reproduce the above copyright 10026d7285Schristos * notice, this list of conditions and the following disclaimer in the 11026d7285Schristos * documentation and/or other materials provided with the distribution. 12026d7285Schristos * 3. Neither the name of the project nor the names of its contributors 13026d7285Schristos * may be used to endorse or promote products derived from this software 14026d7285Schristos * without specific prior written permission. 15026d7285Schristos * 16026d7285Schristos * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17026d7285Schristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18026d7285Schristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19026d7285Schristos * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 20026d7285Schristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21026d7285Schristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22026d7285Schristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23026d7285Schristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24026d7285Schristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25026d7285Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26026d7285Schristos * SUCH DAMAGE. 27026d7285Schristos */ 28026d7285Schristos 29fdccd7e4Schristos #include <sys/cdefs.h> 30fdccd7e4Schristos #ifndef lint 31*26ba0b50Schristos __RCSID("$NetBSD: print-msnlb.c,v 1.6 2024/09/02 16:15:32 christos Exp $"); 32fdccd7e4Schristos #endif 33fdccd7e4Schristos 34dc860a36Sspz /* \summary: MS Network Load Balancing's (NLB) heartbeat printer */ 35dc860a36Sspz 36c74ad251Schristos #include <config.h> 37026d7285Schristos 38c74ad251Schristos #include "netdissect-stdinc.h" 39026d7285Schristos 40784088dfSchristos #include "netdissect.h" 41026d7285Schristos #include "addrtoname.h" 42026d7285Schristos #include "extract.h" 43026d7285Schristos 44026d7285Schristos struct msnlb_heartbeat_pkt { 45c74ad251Schristos nd_byte unknown1[4]; 46c74ad251Schristos nd_byte unknown2[4]; 47c74ad251Schristos nd_uint32_t host_prio; /* little-endian */ 48c74ad251Schristos nd_ipv4 virtual_ip; 49c74ad251Schristos nd_ipv4 host_ip; 50026d7285Schristos /* the protocol is undocumented so we ignore the rest */ 51026d7285Schristos }; 52026d7285Schristos 53a8e08e94Skamil UNALIGNED_OK 54026d7285Schristos void 55026d7285Schristos msnlb_print(netdissect_options *ndo, const u_char *bp) 56026d7285Schristos { 57026d7285Schristos const struct msnlb_heartbeat_pkt *hb; 58026d7285Schristos 59c74ad251Schristos ndo->ndo_protocol = "msnlb"; 60784088dfSchristos hb = (const struct msnlb_heartbeat_pkt *)bp; 61026d7285Schristos 62c74ad251Schristos ND_PRINT("MS NLB heartbeat"); 63c74ad251Schristos ND_PRINT(", host priority: %u", GET_LE_U_4((hb->host_prio))); 64c74ad251Schristos ND_PRINT(", cluster IP: %s", GET_IPADDR_STRING(hb->virtual_ip)); 65c74ad251Schristos ND_PRINT(", host IP: %s", GET_IPADDR_STRING(hb->host_ip)); 66026d7285Schristos } 67