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📄 CHANGES(57.87 KB)
📄 CONTRIBUTING(5.93 KB)
📄 CREDITS(14.57 KB)
📄 INSTALL.txt(5.25 KB)
📄 LICENSE(873 B)
📄 Makefile-devel-adds(614 B)
📄 Makefile.in(9.96 KB)
📄 PLATFORMS(567 B)
📄 README(9.04 KB)
📄 README.md(9.04 KB)
📄 VERSION(6 B)
📄 addrtoname.c(33.19 KB)
📄 addrtoname.h(2.78 KB)
📄 addrtostr.c(5.64 KB)
📄 addrtostr.h(2.03 KB)
📄 af.c(1.96 KB)
📄 af.h(1.81 KB)
📄 ah.h(2.34 KB)
📄 appletalk.h(4.06 KB)
📄 ascii_strcasecmp.c(3.5 KB)
📄 ascii_strcasecmp.h(1.49 KB)
📄 atime.awk(529 B)
📄 atm.h(1.14 KB)
📄 bpf_dump.c(1.9 KB)
📄 chdlc.h(1.31 KB)
📄 checksum.c(5.25 KB)
📄 config.guess(43.17 KB)
📄 config.h.in(11.19 KB)
📄 config.sub(34.93 KB)
📄 configure(255.88 KB)
📄 configure.ac(25.05 KB)
📄 configure.in(25.66 KB)
📄 cpack.c(3.92 KB)
📄 cpack.h(2.37 KB)
📄 ether.h(2.34 KB)
📄 ethertype.h(5.58 KB)
📄 extract.h(11.48 KB)
📄 funcattrs.h(4.42 KB)
📄 getopt_long.h(2.52 KB)
📄 gmpls.c(5.82 KB)
📄 gmpls.h(1.38 KB)
📄 gmt2local.c(2.01 KB)
📄 gmt2local.h(1.21 KB)
📄 in_cksum.c(6.44 KB)
📄 install-sh(5.45 KB)
📄 interface.h(2.29 KB)
📄 ip.h(5.75 KB)
📄 ip6.h(7.6 KB)
📄 ipproto.c(16.49 KB)
📄 ipproto.h(4.72 KB)
📄 l2vpn.c(3.36 KB)
📄 l2vpn.h(781 B)
📁 lbl
📄 llc.h(3.72 KB)
📄 machdep.c(2.58 KB)
📄 machdep.h(1.24 KB)
📄 makemib(6.41 KB)
📄 mib.h(26.33 KB)
📁 missing
📄 mkdep(2.43 KB)
📄 mpls.h(1.93 KB)
📄 nameser.h(10.8 KB)
📄 netdissect-stdinc.h(9.93 KB)
📄 netdissect.c(3.38 KB)
📄 netdissect.h(30.13 KB)
📄 nfs.h(13.37 KB)
📄 nfsfh.h(2.57 KB)
📄 nlpid.c(1.27 KB)
📄 nlpid.h(1.3 KB)
📄 openflow.h(2.14 KB)
📄 ospf.h(10.21 KB)
📄 oui.c(3.83 KB)
📄 oui.h(4.06 KB)
📄 packetdat.awk(1.39 KB)
📄 parsenfsfh.c(12.87 KB)
📄 pcap-missing.h(1.8 KB)
📄 pcap_dump_ftell.c(1.29 KB)
📄 ppp.h(3.07 KB)
📄 print-802_11.c(91.47 KB)
📄 print-802_15_4.c(5.5 KB)
📄 print-ah.c(2.02 KB)
📄 print-ahcp.c(10.73 KB)
📄 print-aodv.c(15.98 KB)
📄 print-aoe.c(11.13 KB)
📄 print-ap1394.c(4 KB)
📄 print-arcnet.c(8.83 KB)
📄 print-arp.c(14.57 KB)
📄 print-ascii.c(6.23 KB)
📄 print-atalk.c(16.76 KB)
📄 print-atm.c(16.81 KB)
📄 print-babel.c(23.79 KB)
📄 print-beep.c(1.71 KB)
📄 print-bfd.c(16.5 KB)
📄 print-bgp.c(99.77 KB)
📄 print-bootp.c(30.07 KB)
📄 print-bt.c(2.21 KB)
📄 print-calm-fast.c(1.81 KB)
📄 print-carp.c(2.43 KB)
📄 print-cdp.c(11.16 KB)
📄 print-cfm.c(24.19 KB)
📄 print-chdlc.c(5.88 KB)
📄 print-cip.c(2.5 KB)
📄 print-cnfp.c(13.69 KB)
📄 print-dccp.c(17.75 KB)
📄 print-decnet.c(37.63 KB)
📄 print-dhcp6.c(23.22 KB)
📄 print-domain.c(18.44 KB)
📄 print-dtp.c(3.03 KB)
📄 print-dvmrp.c(8.98 KB)
📄 print-eap.c(9.26 KB)
📄 print-egp.c(8.69 KB)
📄 print-eigrp.c(19.49 KB)
📄 print-enc.c(4.2 KB)
📄 print-esp.c(21.46 KB)
📄 print-ether.c(12.91 KB)
📄 print-fddi.c(10.51 KB)
📄 print-forces.c(45.01 KB)
📄 print-fr.c(31.99 KB)
📄 print-frag6.c(2.36 KB)
📄 print-ftp.c(973 B)
📄 print-geneve.c(6.13 KB)
📄 print-geonet.c(6.72 KB)
📄 print-gre.c(9.72 KB)
📄 print-hncp.c(26.39 KB)
📄 print-hsrp.c(4.57 KB)
📄 print-http.c(1.51 KB)
📄 print-icmp.c(22.7 KB)
📄 print-icmp6.c(59.81 KB)
📄 print-igmp.c(10.05 KB)
📄 print-igrp.c(4.64 KB)
📄 print-ip.c(17.04 KB)
📄 print-ip6.c(10.57 KB)
📄 print-ip6opts.c(5.53 KB)
📄 print-ipcomp.c(2.32 KB)
📄 print-ipfc.c(4.41 KB)
📄 print-ipnet.c(2.78 KB)
📄 print-ipx.c(6.42 KB)
📄 print-isakmp.c(81.72 KB)
📄 print-isoclns.c(107.61 KB)
📄 print-juniper.c(48.42 KB)
📄 print-krb.c(6.26 KB)
📄 print-l2tp.c(23.94 KB)
📄 print-lane.c(3.04 KB)
📄 print-ldp.c(24.35 KB)
📄 print-lisp.c(15.23 KB)
📄 print-llc.c(16.68 KB)
📄 print-lldp.c(57.26 KB)
📄 print-lmp.c(38.11 KB)
📄 print-loopback.c(3.63 KB)
📄 print-lspping.c(51.64 KB)
📄 print-lwapp.c(13.01 KB)
📄 print-lwres.c(14.08 KB)
📄 print-m3ua.c(10.92 KB)
📄 print-medsa.c(5.57 KB)
📄 print-mobile.c(3.28 KB)
📄 print-mobility.c(9.74 KB)
📄 print-mpcp.c(7.87 KB)
📄 print-mpls.c(5.31 KB)
📄 print-mptcp.c(13.68 KB)
📄 print-msdp.c(2.69 KB)
📄 print-msnlb.c(2.39 KB)
📄 print-nflog.c(4.4 KB)
📄 print-nfs.c(42.84 KB)
📄 print-nsh.c(5.39 KB)
📄 print-ntp.c(13.34 KB)
📄 print-null.c(4.01 KB)
📄 print-olsr.c(23.42 KB)
📄 print-openflow-1.0.c(76.63 KB)
📄 print-openflow.c(4.77 KB)
📄 print-ospf.c(39.49 KB)
📄 print-ospf6.c(29.86 KB)
📄 print-otv.c(2.1 KB)
📄 print-pflog.c(4.86 KB)
📄 print-pfsync.c(12.53 KB)
📄 print-pgm.c(22.17 KB)
📄 print-pim.c(32.59 KB)
📄 print-pktap.c(5.18 KB)
📄 print-ppi.c(2.68 KB)
📄 print-ppp.c(46.16 KB)
📄 print-pppoe.c(5.65 KB)
📄 print-pptp.c(25.9 KB)
📄 print-radius.c(35.1 KB)
📄 print-raw.c(1.52 KB)
📄 print-resp.c(16.5 KB)
📄 print-rip.c(9.19 KB)
📄 print-ripng.c(6 KB)
📄 print-rpki-rtr.c(10.83 KB)
📄 print-rrcp.c(4.56 KB)
📄 print-rsvp.c(78.61 KB)
📄 print-rt6.c(2.66 KB)
📄 print-rtsp.c(1.16 KB)
📄 print-rx.c(66.92 KB)
📄 print-sctp.c(23.13 KB)
📄 print-sflow.c(31.91 KB)
📄 print-sip.c(1.29 KB)
📄 print-sl.c(6.95 KB)
📄 print-sll.c(9.2 KB)
📄 print-slow.c(25.17 KB)
📄 print-smb.c(43.19 KB)
📄 print-smtp.c(983 B)
📄 print-snmp.c(43.17 KB)
📄 print-stp.c(17.18 KB)
📄 print-sunatm.c(3.27 KB)
📄 print-sunrpc.c(7.85 KB)
📄 print-symantec.c(3.78 KB)
📄 print-syslog.c(3.96 KB)
📄 print-tcp.c(35.84 KB)
📄 print-telnet.c(15.02 KB)
📄 print-tftp.c(5.2 KB)
📄 print-timed.c(4.74 KB)
📄 print-tipc.c(11.53 KB)
📄 print-token.c(7.96 KB)
📄 print-udld.c(5.47 KB)
📄 print-udp.c(21.28 KB)
📄 print-usb.c(4.18 KB)
📄 print-vjc.c(4.45 KB)
📄 print-vqp.c(6.8 KB)
📄 print-vrrp.c(6.37 KB)
📄 print-vtp.c(13.56 KB)
📄 print-vxlan-gpe.c(3.46 KB)
📄 print-vxlan.c(2.21 KB)
📄 print-wb.c(10.93 KB)
📄 print-zephyr.c(8.03 KB)
📄 print-zeromq.c(7.5 KB)
📄 print.c(11.54 KB)
📄 print.h(1.78 KB)
📄 rpc_auth.h(2.77 KB)
📄 rpc_msg.h(3.19 KB)
📄 rpl.h(4.88 KB)
📄 send-ack.awk(1.56 KB)
📄 setsignal.c(3.27 KB)
📄 setsignal.h(1.24 KB)
📄 signature.c(5.58 KB)
📄 signature.h(1.12 KB)
📄 slcompress.h(3.55 KB)
📄 smb.h(5.38 KB)
📄 smbutil.c(63.88 KB)
📄 stime.awk(567 B)
📄 strtoaddr.c(5.34 KB)
📄 strtoaddr.h(992 B)
📄 tcp.h(5.02 KB)
📄 tcpdump.1.in(60.82 KB)
📄 tcpdump.c(69.76 KB)
📄 timeval-operations.h(3.19 KB)
📄 udp.h(8.25 KB)
📄 util-print.c(23.75 KB)
📄 vfprintf.c(1.62 KB)

Editing: print-m3ua.c

/* Copyright (c) 2013, The TCPDUMP project
 * All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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: Message Transfer Part 3 (MTP3) User Adaptation Layer (M3UA) printer */

/* RFC 4666 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <netdissect-stdinc.h>

#include "netdissect.h"
#include "extract.h"

static const char tstr[] = " [|m3ua]";

#define M3UA_REL_1_0 1

struct m3ua_common_header {
  uint8_t  v;
  uint8_t  reserved;
  uint8_t  msg_class;
  uint8_t  msg_type;
  uint32_t len;
};

struct m3ua_param_header {
  uint16_t tag;
  uint16_t len;
};

/* message classes */
#define M3UA_MSGC_MGMT 0
#define M3UA_MSGC_TRANSFER 1
#define M3UA_MSGC_SSNM 2
#define M3UA_MSGC_ASPSM 3
#define M3UA_MSGC_ASPTM 4
/* reserved values */
#define M3UA_MSGC_RKM 9

static const struct tok MessageClasses[] = {
	{ M3UA_MSGC_MGMT,     "Management"            },
	{ M3UA_MSGC_TRANSFER, "Transfer"              },
	{ M3UA_MSGC_SSNM,     "SS7"                   },
	{ M3UA_MSGC_ASPSM,    "ASP"                   },
	{ M3UA_MSGC_ASPTM,    "ASP"                   },
	{ M3UA_MSGC_RKM,      "Routing Key Management"},
	{ 0, NULL }
};

/* management messages */
#define M3UA_MGMT_ERROR 0
#define M3UA_MGMT_NOTIFY 1

static const struct tok MgmtMessages[] = {
  { M3UA_MGMT_ERROR, "Error" },
  { M3UA_MGMT_NOTIFY, "Notify" },
  { 0, NULL }
};

/* transfer messages */
#define M3UA_TRANSFER_DATA 1

static const struct tok TransferMessages[] = {
  { M3UA_TRANSFER_DATA, "Data" },
  { 0, NULL }
};

/* SS7 Signaling Network Management messages */
#define M3UA_SSNM_DUNA 1
#define M3UA_SSNM_DAVA 2
#define M3UA_SSNM_DAUD 3
#define M3UA_SSNM_SCON 4
#define M3UA_SSNM_DUPU 5
#define M3UA_SSNM_DRST 6

static const struct tok SS7Messages[] = {
  { M3UA_SSNM_DUNA, "Destination Unavailable" },
  { M3UA_SSNM_DAVA, "Destination Available" },
  { M3UA_SSNM_DAUD, "Destination State Audit" },
  { M3UA_SSNM_SCON, "Signalling Congestion" },
  { M3UA_SSNM_DUPU, "Destination User Part Unavailable" },
  { M3UA_SSNM_DRST, "Destination Restricted" },
  { 0, NULL }
};

/* ASP State Maintenance messages */
#define M3UA_ASP_UP 1
#define M3UA_ASP_DN 2
#define M3UA_ASP_BEAT 3
#define M3UA_ASP_UP_ACK 4
#define M3UA_ASP_DN_ACK 5
#define M3UA_ASP_BEAT_ACK 6

static const struct tok ASPStateMessages[] = {
  { M3UA_ASP_UP, "Up" },
  { M3UA_ASP_DN, "Down" },
  { M3UA_ASP_BEAT, "Heartbeat" },
  { M3UA_ASP_UP_ACK, "Up Acknowledgement" },
  { M3UA_ASP_DN_ACK, "Down Acknowledgement" },
  { M3UA_ASP_BEAT_ACK, "Heartbeat Acknowledgement" },
  { 0, NULL }
};

/* ASP Traffic Maintenance messages */
#define M3UA_ASP_AC 1
#define M3UA_ASP_IA 2
#define M3UA_ASP_AC_ACK 3
#define M3UA_ASP_IA_ACK 4

static const struct tok ASPTrafficMessages[] = {
  { M3UA_ASP_AC, "Active" },
  { M3UA_ASP_IA, "Inactive" },
  { M3UA_ASP_AC_ACK, "Active Acknowledgement" },
  { M3UA_ASP_IA_ACK, "Inactive Acknowledgement" },
  { 0, NULL }
};

/* Routing Key Management messages */
#define M3UA_RKM_REQ 1
#define M3UA_RKM_RSP 2
#define M3UA_RKM_DEREQ 3
#define M3UA_RKM_DERSP 4

static const struct tok RoutingKeyMgmtMessages[] = {
  { M3UA_RKM_REQ, "Registration Request" },
  { M3UA_RKM_RSP, "Registration Response" },
  { M3UA_RKM_DEREQ, "Deregistration Request" },
  { M3UA_RKM_DERSP, "Deregistration Response" },
  { 0, NULL }
};

/* M3UA Parameters */
#define M3UA_PARAM_INFO 0x0004
#define M3UA_PARAM_ROUTING_CTX 0x0006
#define M3UA_PARAM_DIAGNOSTIC 0x0007
#define M3UA_PARAM_HB_DATA 0x0009
#define M3UA_PARAM_TRAFFIC_MODE_TYPE 0x000b
#define M3UA_PARAM_ERROR_CODE 0x000c
#define M3UA_PARAM_STATUS 0x000d
#define M3UA_PARAM_ASP_ID 0x0011
#define M3UA_PARAM_AFFECTED_POINT_CODE 0x0012
#define M3UA_PARAM_CORR_ID 0x0013

#define M3UA_PARAM_NETWORK_APPEARANCE 0x0200
#define M3UA_PARAM_USER 0x0204
#define M3UA_PARAM_CONGESTION_INDICATION 0x0205
#define M3UA_PARAM_CONCERNED_DST 0x0206
#define M3UA_PARAM_ROUTING_KEY 0x0207
#define M3UA_PARAM_REG_RESULT 0x0208
#define M3UA_PARAM_DEREG_RESULT 0x0209
#define M3UA_PARAM_LOCAL_ROUTING_KEY_ID 0x020a
#define M3UA_PARAM_DST_POINT_CODE 0x020b
#define M3UA_PARAM_SI 0x020c
#define M3UA_PARAM_ORIGIN_POINT_CODE_LIST 0x020e
#define M3UA_PARAM_PROTO_DATA 0x0210
#define M3UA_PARAM_REG_STATUS 0x0212
#define M3UA_PARAM_DEREG_STATUS 0x0213

static const struct tok ParamName[] = {
  { M3UA_PARAM_INFO, "INFO String" },
  { M3UA_PARAM_ROUTING_CTX, "Routing Context" },
  { M3UA_PARAM_DIAGNOSTIC, "Diagnostic Info" },
  { M3UA_PARAM_HB_DATA, "Heartbeat Data" },
  { M3UA_PARAM_TRAFFIC_MODE_TYPE, "Traffic Mode Type" },
  { M3UA_PARAM_ERROR_CODE, "Error Code" },
  { M3UA_PARAM_STATUS, "Status" },
  { M3UA_PARAM_ASP_ID, "ASP Identifier" },
  { M3UA_PARAM_AFFECTED_POINT_CODE, "Affected Point Code" },
  { M3UA_PARAM_CORR_ID, "Correlation ID" },
  { M3UA_PARAM_NETWORK_APPEARANCE, "Network Appearance" },
  { M3UA_PARAM_USER, "User/Cause" },
  { M3UA_PARAM_CONGESTION_INDICATION, "Congestion Indications" },
  { M3UA_PARAM_CONCERNED_DST, "Concerned Destination" },
  { M3UA_PARAM_ROUTING_KEY, "Routing Key" },
  { M3UA_PARAM_REG_RESULT, "Registration Result" },
  { M3UA_PARAM_DEREG_RESULT, "Deregistration Result" },
  { M3UA_PARAM_LOCAL_ROUTING_KEY_ID, "Local Routing Key Identifier" },
  { M3UA_PARAM_DST_POINT_CODE, "Destination Point Code" },
  { M3UA_PARAM_SI, "Service Indicators" },
  { M3UA_PARAM_ORIGIN_POINT_CODE_LIST, "Originating Point Code List" },
  { M3UA_PARAM_PROTO_DATA, "Protocol Data" },
  { M3UA_PARAM_REG_STATUS, "Registration Status" },
  { M3UA_PARAM_DEREG_STATUS, "Deregistration Status" },
  { 0, NULL }
};

static void
tag_value_print(netdissect_options *ndo,
                const u_char *buf, const uint16_t tag, const uint16_t size)
{
  switch (tag) {
  case M3UA_PARAM_NETWORK_APPEARANCE:
  case M3UA_PARAM_ROUTING_CTX:
  case M3UA_PARAM_CORR_ID:
    /* buf and size don't include the header */
    if (size < 4)
      goto invalid;
    ND_TCHECK2(*buf, size);
    ND_PRINT((ndo, "0x%08x", EXTRACT_32BITS(buf)));
    break;
  /* ... */
  default:
    ND_PRINT((ndo, "(length %u)", size + (u_int)sizeof(struct m3ua_param_header)));
    ND_TCHECK2(*buf, size);
  }
  return;

invalid:
  ND_PRINT((ndo, "%s", istr));
  ND_TCHECK2(*buf, size);
  return;
trunc:
  ND_PRINT((ndo, "%s", tstr));
}

/*
 *     0                   1                   2                   3
 *     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |          Parameter Tag        |       Parameter Length        |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    \                                                               \
 *    /                       Parameter Value                         /
 *    \                                                               \
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
static void
m3ua_tags_print(netdissect_options *ndo,
                const u_char *buf, const u_int size)
{
  const u_char *p = buf;
  int align;
  uint16_t hdr_tag;
  uint16_t hdr_len;

while (p < buf + size) {
    if (p + sizeof(struct m3ua_param_header) > buf + size)
      goto invalid;
    ND_TCHECK2(*p, sizeof(struct m3ua_param_header));
    /* Parameter Tag */
    hdr_tag = EXTRACT_16BITS(p);
    ND_PRINT((ndo, "\n\t\t\t%s: ", tok2str(ParamName, "Unknown Parameter (0x%04x)", hdr_tag)));
    /* Parameter Length */
    hdr_len = EXTRACT_16BITS(p + 2);
    if (hdr_len < sizeof(struct m3ua_param_header))
      goto invalid;
    /* Parameter Value */
    align = (p + hdr_len - buf) % 4;
    align = align ? 4 - align : 0;
    ND_TCHECK2(*p, hdr_len + align);
    tag_value_print(ndo, p, hdr_tag, hdr_len - sizeof(struct m3ua_param_header));
    p += hdr_len + align;
  }
  return;

invalid:
  ND_PRINT((ndo, "%s", istr));
  ND_TCHECK2(*buf, size);
  return;
trunc:
  ND_PRINT((ndo, "%s", tstr));
}

/*
 *     0                   1                   2                   3
 *     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |    Version    |   Reserved    | Message Class | Message Type  |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    |                        Message Length                         |
 *    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *    \                                                               \
 *    /                                                               /
 */
void
m3ua_print(netdissect_options *ndo,
           const u_char *buf, const u_int size)
{
  const struct m3ua_common_header *hdr = (const struct m3ua_common_header *) buf;
  const struct tok *dict;

/* size includes the header */
  if (size < sizeof(struct m3ua_common_header))
    goto invalid;
  ND_TCHECK(*hdr);
  if (hdr->v != M3UA_REL_1_0)
    return;

dict =
    hdr->msg_class == M3UA_MSGC_MGMT     ? MgmtMessages :
    hdr->msg_class == M3UA_MSGC_TRANSFER ? TransferMessages :
    hdr->msg_class == M3UA_MSGC_SSNM     ? SS7Messages :
    hdr->msg_class == M3UA_MSGC_ASPSM    ? ASPStateMessages :
    hdr->msg_class == M3UA_MSGC_ASPTM    ? ASPTrafficMessages :
    hdr->msg_class == M3UA_MSGC_RKM      ? RoutingKeyMgmtMessages :
    NULL;

ND_PRINT((ndo, "\n\t\t%s", tok2str(MessageClasses, "Unknown message class %i", hdr->msg_class)));
  if (dict != NULL)
    ND_PRINT((ndo, " %s Message", tok2str(dict, "Unknown (0x%02x)", hdr->msg_type)));

if (size != EXTRACT_32BITS(&hdr->len))
    ND_PRINT((ndo, "\n\t\t\t@@@@@@ Corrupted length %u of message @@@@@@", EXTRACT_32BITS(&hdr->len)));
  else
    m3ua_tags_print(ndo, buf + sizeof(struct m3ua_common_header), EXTRACT_32BITS(&hdr->len) - sizeof(struct m3ua_common_header));
  return;

invalid:
  ND_PRINT((ndo, "%s", istr));
  ND_TCHECK2(*buf, size);
  return;
trunc:
  ND_PRINT((ndo, "%s", tstr));
}

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