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Diffstat (limited to 'print-msnlb.c')
| -rw-r--r-- | print-msnlb.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/print-msnlb.c b/print-msnlb.c new file mode 100644 index 00000000..8afaa7fe --- /dev/null +++ b/print-msnlb.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2013 Romain Francoise <romain@orebokech.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project 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 BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* \summary: MS Network Load Balancing's (NLB) heartbeat printer */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "netdissect-stdinc.h" + +#include "netdissect.h" +#include "addrtoname.h" +#include "extract.h" + +struct msnlb_heartbeat_pkt { + nd_byte unknown1[4]; + nd_byte unknown2[4]; + nd_uint32_t host_prio; /* little-endian */ + nd_ipv4 virtual_ip; + nd_ipv4 host_ip; + /* the protocol is undocumented so we ignore the rest */ +}; + +void +msnlb_print(netdissect_options *ndo, const u_char *bp) +{ + const struct msnlb_heartbeat_pkt *hb; + + ndo->ndo_protocol = "msnlb"; + hb = (const struct msnlb_heartbeat_pkt *)bp; + + ND_PRINT("MS NLB heartbeat"); + ND_PRINT(", host priority: %u", GET_LE_U_4((hb->host_prio))); + ND_PRINT(", cluster IP: %s", GET_IPADDR_STRING(hb->virtual_ip)); + ND_PRINT(", host IP: %s", GET_IPADDR_STRING(hb->host_ip)); +} |