1*b636d99dSDavid van Moolenbroek /*
2*b636d99dSDavid van Moolenbroek * Copyright (c) 2013 Romain Francoise <romain@orebokech.com>
3*b636d99dSDavid van Moolenbroek *
4*b636d99dSDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without
5*b636d99dSDavid van Moolenbroek * modification, are permitted provided that the following conditions
6*b636d99dSDavid van Moolenbroek * are met:
7*b636d99dSDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright
8*b636d99dSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer.
9*b636d99dSDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright
10*b636d99dSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer in the
11*b636d99dSDavid van Moolenbroek * documentation and/or other materials provided with the distribution.
12*b636d99dSDavid van Moolenbroek * 3. Neither the name of the project nor the names of its contributors
13*b636d99dSDavid van Moolenbroek * may be used to endorse or promote products derived from this software
14*b636d99dSDavid van Moolenbroek * without specific prior written permission.
15*b636d99dSDavid van Moolenbroek *
16*b636d99dSDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
17*b636d99dSDavid van Moolenbroek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*b636d99dSDavid van Moolenbroek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*b636d99dSDavid van Moolenbroek * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
20*b636d99dSDavid van Moolenbroek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*b636d99dSDavid van Moolenbroek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*b636d99dSDavid van Moolenbroek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*b636d99dSDavid van Moolenbroek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*b636d99dSDavid van Moolenbroek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*b636d99dSDavid van Moolenbroek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*b636d99dSDavid van Moolenbroek * SUCH DAMAGE.
27*b636d99dSDavid van Moolenbroek */
28*b636d99dSDavid van Moolenbroek
29*b636d99dSDavid van Moolenbroek #define NETDISSECT_REWORKED
30*b636d99dSDavid van Moolenbroek #ifdef HAVE_CONFIG_H
31*b636d99dSDavid van Moolenbroek #include "config.h"
32*b636d99dSDavid van Moolenbroek #endif
33*b636d99dSDavid van Moolenbroek
34*b636d99dSDavid van Moolenbroek #include <tcpdump-stdinc.h>
35*b636d99dSDavid van Moolenbroek
36*b636d99dSDavid van Moolenbroek #include "interface.h"
37*b636d99dSDavid van Moolenbroek #include "addrtoname.h"
38*b636d99dSDavid van Moolenbroek #include "extract.h"
39*b636d99dSDavid van Moolenbroek
40*b636d99dSDavid van Moolenbroek struct msnlb_heartbeat_pkt {
41*b636d99dSDavid van Moolenbroek uint32_t unknown1;
42*b636d99dSDavid van Moolenbroek uint32_t unknown2;
43*b636d99dSDavid van Moolenbroek uint32_t host_prio; /* little-endian */
44*b636d99dSDavid van Moolenbroek uint32_t virtual_ip;
45*b636d99dSDavid van Moolenbroek uint32_t host_ip;
46*b636d99dSDavid van Moolenbroek /* the protocol is undocumented so we ignore the rest */
47*b636d99dSDavid van Moolenbroek };
48*b636d99dSDavid van Moolenbroek
49*b636d99dSDavid van Moolenbroek void
msnlb_print(netdissect_options * ndo,const u_char * bp)50*b636d99dSDavid van Moolenbroek msnlb_print(netdissect_options *ndo, const u_char *bp)
51*b636d99dSDavid van Moolenbroek {
52*b636d99dSDavid van Moolenbroek const struct msnlb_heartbeat_pkt *hb;
53*b636d99dSDavid van Moolenbroek
54*b636d99dSDavid van Moolenbroek hb = (struct msnlb_heartbeat_pkt *)bp;
55*b636d99dSDavid van Moolenbroek ND_TCHECK(*hb);
56*b636d99dSDavid van Moolenbroek
57*b636d99dSDavid van Moolenbroek ND_PRINT((ndo, "MS NLB heartbeat, host priority: %u,",
58*b636d99dSDavid van Moolenbroek EXTRACT_LE_32BITS(&(hb->host_prio))));
59*b636d99dSDavid van Moolenbroek ND_PRINT((ndo, " cluster IP: %s,", ipaddr_string(ndo, &(hb->virtual_ip))));
60*b636d99dSDavid van Moolenbroek ND_PRINT((ndo, " host IP: %s", ipaddr_string(ndo, &(hb->host_ip))));
61*b636d99dSDavid van Moolenbroek return;
62*b636d99dSDavid van Moolenbroek trunc:
63*b636d99dSDavid van Moolenbroek ND_PRINT((ndo, "[|MS NLB]"));
64*b636d99dSDavid van Moolenbroek }
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