The Tcpdump Group git mirrors - tcpdump/blob - print-m3ua.c

   1 /* Copyright (c) 2013, The TCPDUMP project
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *
   7  * 1. Redistributions of source code must retain the above copyright notice, this
   8  *    list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright notice,
  10  *    this list of conditions and the following disclaimer in the documentation
  11  *    and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "config.h"
  27 #endif
  28
  29 #include <tcpdump-stdinc.h>
  30 #include "m3ua.h"
  31
  32 #include "interface.h"
  33 #include "addrtoname.h"
  34 #include "extract.h"
  35
  36 static const struct tok MgmtMessages[] = {
  37   { M3UA_MGMT_ERROR, "Error" },
  38   { M3UA_MGMT_NOTIFY, "Notify" },
  39   { 0, NULL }
  40 };
  41
  42 static const struct tok TransferMessages[] = {
  43   { M3UA_TRANSFER_DATA, "Data" },
  44   { 0, NULL }
  45 };
  46
  47 static const struct tok SS7Messages[] = {
  48   { M3UA_SSNM_DUNA, "Destination Unavailable" },
  49   { M3UA_SSNM_DAVA, "Destination Available" },
  50   { M3UA_SSNM_DAUD, "Destination State Audit" },
  51   { M3UA_SSNM_SCON, "Signalling Congestion" },
  52   { M3UA_SSNM_DUPU, "Destination User Part Unavailable" },
  53   { M3UA_SSNM_DRST, "Destination Restricted" },
  54   { 0, NULL }
  55 };
  56
  57 static const struct tok ASPStateMessages[] = {
  58   { M3UA_ASP_UP, "Up" },
  59   { M3UA_ASP_DN, "Down" },
  60   { M3UA_ASP_BEAT, "Heartbeat" },
  61   { M3UA_ASP_UP_ACK, "Up Acknowledgement" },
  62   { M3UA_ASP_DN_ACK, "Down Acknowledgement" },
  63   { M3UA_ASP_BEAT_ACK, "Heartbeat Acknowledgement" },
  64   { 0, NULL }
  65 };
  66
  67 static const struct tok ASPTrafficMessages[] = {
  68   { M3UA_ASP_AC, "Active" },
  69   { M3UA_ASP_IA, "Inactive" },
  70   { M3UA_ASP_AC_ACK, "Active Acknowledgement" },
  71   { M3UA_ASP_IA_ACK, "Inactive Acknowledgement" },
  72   { 0, NULL }
  73 };
  74
  75 static const struct tok RoutingKeyMgmtMessages[] = {
  76   { M3UA_RKM_REQ, "Registration Request" },
  77   { M3UA_RKM_RSP, "Registration Response" },
  78   { M3UA_RKM_DEREQ, "Deregistration Request" },
  79   { M3UA_RKM_DERSP, "Deregistration Response" },
  80   { 0, NULL }
  81 };
  82
  83 static const struct tok ParamName[] = {
  84   { M3UA_PARAM_INFO, "INFO String" },
  85   { M3UA_PARAM_ROUTING_CTX, "Routing Context" },
  86   { M3UA_PARAM_DIAGNOSTIC, "Diagnostic Info" },
  87   { M3UA_PARAM_HB_DATA, "Heartbeat Data" },
  88   { M3UA_PARAM_TRAFFIC_MODE_TYPE, "Traffic Mode Type" },
  89   { M3UA_PARAM_ERROR_CODE, "Error Code" },
  90   { M3UA_PARAM_STATUS, "Status" },
  91   { M3UA_PARAM_ASP_ID, "ASP Identifier" },
  92   { M3UA_PARAM_AFFECTED_POINT_CODE, "Affected Point Code" },
  93   { M3UA_PARAM_CORR_ID, "Correlation ID" },
  94   { M3UA_PARAM_NETWORK_APPEARANCE, "Network Appearance" },
  95   { M3UA_PARAM_USER, "User/Cause" },
  96   { M3UA_PARAM_CONGESTION_INDICATION, "Congestion Indications" },
  97   { M3UA_PARAM_CONCERNED_DST, "Concerned Destination" },
  98   { M3UA_PARAM_ROUTING_KEY, "Routing Key" },
  99   { M3UA_PARAM_REG_RESULT, "Registration Result" },
 100   { M3UA_PARAM_DEREG_RESULT, "Deregistration Result" },
 101   { M3UA_PARAM_LOCAL_ROUTING_KEY_ID, "Local Routing Key Identifier" },
 102   { M3UA_PARAM_DST_POINT_CODE, "Destination Point Code" },
 103   { M3UA_PARAM_SI, "Service Indicators" },
 104   { M3UA_PARAM_ORIGIN_POINT_CODE_LIST, "Originating Point Code List" },
 105   { M3UA_PARAM_PROTO_DATA, "Protocol Data" },
 106   { M3UA_PARAM_REG_STATUS, "Registration Status" },
 107   { M3UA_PARAM_DEREG_STATUS, "Deregistration Status" },
 108   { 0, NULL }
 109 };
 110
 111 static void print_tag_value(const u_char *buf, u_int16_t tag, u_int16_t size)
 112 {
 113   switch (tag) {
 114   case M3UA_PARAM_NETWORK_APPEARANCE:
 115   case M3UA_PARAM_ROUTING_CTX:
 116   case M3UA_PARAM_CORR_ID:
 117     printf("0x%08x", EXTRACT_32BITS(buf));
 118     break;
 119   /* ... */
 120   default:
 121     printf("(length %u)", size);
 122   }
 123 }
 124
 125 static void print_m3ua_tags(const u_char *buf, u_int size)
 126 {
 127   const u_char *p = buf;
 128   while (p < buf + size) {
 129     const struct m3ua_param_header *hdr = (const struct m3ua_param_header *) p;
 130     printf("\n\t\t\t%s: ", tok2str(ParamName, "Unknown Parameter (0x%04x)", EXTRACT_16BITS(&hdr->tag)));
 131     print_tag_value(p + sizeof(struct m3ua_param_header), EXTRACT_16BITS(&hdr->tag), EXTRACT_16BITS(&hdr->len));
 132     p += EXTRACT_16BITS(&hdr->len);
 133     int align = (int) (p - buf) % 4;
 134     p += (align) ? 4 - align : 0;
 135   }
 136 }
 137
 138 void print_m3ua(const u_char *buf, u_int size)
 139 {
 140   const struct m3ua_common_header *hdr = (const struct m3ua_common_header *) buf;
 141
 142   printf("\n\t\t");
 143   switch (hdr->msg_class) {
 144   case M3UA_MSGC_MGMT:
 145     printf("Management %s Message", tok2str(MgmtMessages, "Unknown (0x%02x)", hdr->msg_type));
 146     break;
 147   case M3UA_MSGC_TRANSFER:
 148     printf("Transfer %s Message", tok2str(TransferMessages, "Unknown (0x%02x)", hdr->msg_type));
 149     break;
 150   case M3UA_MSGC_SSNM:
 151     printf("SS7 %s Message", tok2str(SS7Messages, "Unknown (0x%02x)", hdr->msg_type));
 152     break;
 153   case M3UA_MSGC_ASPSM:
 154     printf("ASP %s Message", tok2str(ASPStateMessages, "Unknown (0x%02x)", hdr->msg_type));
 155     break;
 156   case M3UA_MSGC_ASPTM:
 157     printf("ASP %s Message", tok2str(ASPTrafficMessages, "Unknown (0x%02x)", hdr->msg_type));
 158     break;
 159   case M3UA_MSGC_RKM:
 160     printf("Routing Key Managment %s Message",
 161         tok2str(RoutingKeyMgmtMessages, "Unknown (0x%02x)", hdr->msg_type));
 162     break;
 163   default:
 164     printf("Unknown message class %i", hdr->msg_class);
 165     break;
 166   };
 167
 168   fflush(stdout);
 169
 170   if (size != EXTRACT_32BITS(&hdr->len))
 171     printf("\n\t\t\t@@@@@@ Corrupted length %u of message @@@@@@", EXTRACT_32BITS(&hdr->len));
 172   else
 173     print_m3ua_tags(buf + sizeof(struct m3ua_common_header), EXTRACT_32BITS(&hdr->len) - sizeof(struct m3ua_common_header));
 174 }
 175