epan/dissectors/packet-zbee-zcl-se.c

   1 /* packet-zbee-zcl-ha.c
   2  * Dissector routines for the ZigBee ZCL SE clusters like
   3  * Messaging
   4  * By Fabio Tarabelloni <fabio.tarabelloni@reloc.it>
   5  * Copyright 2013 RELOC s.r.l.
   6  *
   7  * $Id$
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 /*  Include Files */
  29 #include "config.h"
  30
  31 #include <string.h>
  32 #include <glib.h>
  33 #include <epan/packet.h>
  34 #include <epan/to_str.h>
  35
  36 #include "packet-zbee.h"
  37 #include "packet-zbee-aps.h"
  38 #include "packet-zbee-zcl.h"
  39
  40 /* ########################################################################## */
  41 /* #### (0x0703) MESSAGING CLUSTER ########################################## */
  42 /* ########################################################################## */
  43
  44 /*************************/
  45 /* Defines               */
  46 /*************************/
  47
  48 #define ZBEE_ZCL_MSG_NUM_GENERIC_ETT                   2
  49 #define ZBEE_ZCL_MSG_NUM_ETT                           (ZBEE_ZCL_MSG_NUM_GENERIC_ETT)
  50
  51 /* Attributes - None */
  52
  53 /* Server Commands Received */
  54 #define ZBEE_ZCL_CMD_ID_MSG_GET_LAST_MSG                0x00  /* Get Last Message */
  55 #define ZBEE_ZCL_CMD_ID_MSG_MSG_CONFIRM                 0x01  /* Message Confirmation */
  56
  57 /* Server Commands Generated */
  58 #define ZBEE_ZCL_CMD_ID_MSG_DISPLAY_MSG                 0x00  /* Display Message */
  59 #define ZBEE_ZCL_CMD_ID_MSG_CANCEL_MSG                  0x01  /* Cancel Message */
  60
  61 /* Message Control Field Bit Map */
  62 #define ZBEE_ZCL_MSG_CTRL_TX_MASK                       0x03
  63 #define ZBEE_ZCL_MSG_CTRL_IMPORTANCE_MASK               0x0C
  64 #define ZBEE_ZCL_MSG_CTRL_RESERVED_MASK                 0x70
  65 #define ZBEE_ZCL_MSG_CTRL_CONFIRM_MASK                  0x80
  66
  67 #define ZBEE_ZCL_MSG_CTRL_TX_NORMAL_ONLY                0x00 /* Normal Transmission Only */
  68 #define ZBEE_ZCL_MSG_CTRL_TX_NORMAL_ANON_INTERPAN       0x01 /* Normal and Anonymous Inter-PAN Transmission Only */
  69 #define ZBEE_ZCL_MSG_CTRL_TX_ANON_INTERPAN_ONLY         0x02 /* Anonymous Inter-PAN Transmission Only */
  70
  71 #define ZBEE_ZCL_MSG_CTRL_IMPORTANCE_LOW                0x00 /* Low */
  72 #define ZBEE_ZCL_MSG_CTRL_IMPORTANCE_MEDIUM             0x01 /* Medium */
  73 #define ZBEE_ZCL_MSG_CTRL_IMPORTANCE_HIGH               0x02 /* High */
  74 #define ZBEE_ZCL_MSG_CTRL_IMPORTANCE_CRITICAL           0x03 /* Critical */
  75
  76 #define ZBEE_ZCL_MSG_START_TIME_NOW                     0x00000000 /* Now */
  77
  78 /*************************/
  79 /* Function Declarations */
  80 /*************************/
  81
  82 /* Command Dissector Helpers */
  83 static void dissect_zcl_msg_display             (tvbuff_t *tvb, proto_tree *tree, guint *offset);
  84 static void dissect_zcl_msg_cancel              (tvbuff_t *tvb, proto_tree *tree, guint *offset);
  85 static void dissect_zcl_msg_confirm             (tvbuff_t *tvb, proto_tree *tree, guint *offset);
  86
  87 /* Private functions prototype */
  88 static void decode_zcl_msg_duration             (gchar *s, guint16 value);
  89
  90 /*************************/
  91 /* Global Variables      */
  92 /*************************/
  93
  94 /* Initialize the protocol and registered fields */
  95 static int proto_zbee_zcl_msg = -1;
  96
  97 static int hf_zbee_zcl_msg_srv_tx_cmd_id = -1;
  98 static int hf_zbee_zcl_msg_srv_rx_cmd_id = -1;
  99 static int hf_zbee_zcl_msg_message_id = -1;
 100 static int hf_zbee_zcl_msg_ctrl_tx = -1;
 101 static int hf_zbee_zcl_msg_ctrl_importance = -1;
 102 static int hf_zbee_zcl_msg_ctrl_reserved = -1;
 103 static int hf_zbee_zcl_msg_ctrl_confirm = -1;
 104 static int hf_zbee_zcl_msg_start_time = -1;
 105 static int hf_zbee_zcl_msg_duration = -1;
 106 static int hf_zbee_zcl_msg_message_length =- 1;
 107 static int hf_zbee_zcl_msg_message = -1;
 108 static int hf_zbee_zcl_msg_confirm_time = -1;
 109
 110 /* Initialize the subtree pointers */
 111 static gint ett_zbee_zcl_msg = -1;
 112 static gint ett_zbee_zcl_msg_message_control = -1;
 113
 114 /* Server Commands Received */
 115 static const value_string zbee_zcl_msg_srv_rx_cmd_names[] = {
 116     { ZBEE_ZCL_CMD_ID_MSG_GET_LAST_MSG,                 "Get Last Message" },
 117     { ZBEE_ZCL_CMD_ID_MSG_MSG_CONFIRM,                  "Message Confirmation" },
 118     { 0, NULL }
 119 };
 120
 121 /* Server Commands Generated */
 122 static const value_string zbee_zcl_msg_srv_tx_cmd_names[] = {
 123     { ZBEE_ZCL_CMD_ID_MSG_DISPLAY_MSG,                  "Display Message" },
 124     { ZBEE_ZCL_CMD_ID_MSG_CANCEL_MSG,                   "Cancel Message" },
 125     { 0, NULL }
 126 };
 127
 128 /* Message Control Transmission */
 129 static const value_string zbee_zcl_msg_ctrl_tx_names[] = {
 130     { ZBEE_ZCL_MSG_CTRL_TX_NORMAL_ONLY,                 "Normal Transmission Only" },
 131     { ZBEE_ZCL_MSG_CTRL_TX_NORMAL_ANON_INTERPAN,        "Normal and Anonymous Inter-PAN Transmission Only" },
 132     { ZBEE_ZCL_MSG_CTRL_TX_ANON_INTERPAN_ONLY,          "Anonymous Inter-PAN Transmission Only" },
 133     { 0, NULL }
 134 };
 135
 136 /* Message Control Importance */
 137 static const value_string zbee_zcl_msg_ctrl_importance_names[] = {
 138     { ZBEE_ZCL_MSG_CTRL_IMPORTANCE_LOW,                 "Low" },
 139     { ZBEE_ZCL_MSG_CTRL_IMPORTANCE_MEDIUM,              "Medium" },
 140     { ZBEE_ZCL_MSG_CTRL_IMPORTANCE_HIGH,                "High" },
 141     { ZBEE_ZCL_MSG_CTRL_IMPORTANCE_CRITICAL,            "Critical" },
 142     { 0, NULL }
 143 };
 144
 145
 146 /*************************/
 147 /* Function Bodies       */
 148 /*************************/
 149
 150 /*FUNCTION:------------------------------------------------------
 151  *  NAME
 152  *      dissect_zbee_zcl_msg
 153  *  DESCRIPTION
 154  *      ZigBee ZCL Messaging cluster dissector for wireshark.
 155  *  PARAMETERS
 156  *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 157  *      packet_info *pinfo  - pointer to packet information fields
 158  *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 159  *  RETURNS
 160  *      none
 161  *---------------------------------------------------------------
 162  */
 163 static int
 164 dissect_zbee_zcl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
 165 {
 166     proto_item        *payload_root;
 167     proto_tree        *payload_tree;
 168     zbee_zcl_packet   *zcl = (zbee_zcl_packet *)data;
 169     guint             offset = 0;
 170     guint8            cmd_id = zcl->cmd_id;
 171     gint              rem_len;
 172
 173     /*  Create a subtree for the ZCL Command frame, and add the command ID to it. */
 174     if (zcl->direction == ZBEE_ZCL_FCF_TO_SERVER) {
 175         /* Append the command name to the info column. */
 176         col_append_fstr(pinfo->cinfo, COL_INFO, "%s, Seq: %u",
 177             val_to_str_const(cmd_id, zbee_zcl_msg_srv_rx_cmd_names, "Unknown Command"),
 178             zcl->tran_seqno);
 179
 180         /* Add the command ID. */
 181         proto_tree_add_item(tree, hf_zbee_zcl_msg_srv_rx_cmd_id, tvb, offset, 1, cmd_id);
 182
 183         /* Check is this command has a payload, than add the payload tree */
 184         rem_len = tvb_reported_length_remaining(tvb, ++offset);
 185         if (rem_len > 0) {
 186             payload_root = proto_tree_add_text(tree, tvb, offset, rem_len, "Payload");
 187             payload_tree = proto_item_add_subtree(payload_root, ett_zbee_zcl_msg);
 188
 189             /* Call the appropriate command dissector */
 190             switch (cmd_id) {
 191
 192                 case ZBEE_ZCL_CMD_ID_MSG_GET_LAST_MSG:
 193                     /* No payload */
 194                     break;
 195
 196                 case ZBEE_ZCL_CMD_ID_MSG_MSG_CONFIRM:
 197                     dissect_zcl_msg_confirm(tvb, payload_tree, &offset);
 198                     break;
 199
 200                 default:
 201                     break;
 202             }
 203         }
 204     }
 205     else { /* ZBEE_ZCL_FCF_TO_CLIENT */
 206         /* Append the command name to the info column. */
 207         col_append_fstr(pinfo->cinfo, COL_INFO, "%s, Seq: %u",
 208             val_to_str_const(cmd_id, zbee_zcl_msg_srv_tx_cmd_names, "Unknown Command"),
 209             zcl->tran_seqno);
 210
 211         /* Add the command ID. */
 212         proto_tree_add_item(tree, hf_zbee_zcl_msg_srv_tx_cmd_id, tvb, offset, 1, cmd_id);
 213
 214         /* Check is this command has a payload, than add the payload tree */
 215         rem_len = tvb_reported_length_remaining(tvb, ++offset);
 216         if (rem_len > 0) {
 217             payload_root = proto_tree_add_text(tree, tvb, offset, rem_len, "Payload");
 218             payload_tree = proto_item_add_subtree(payload_root, ett_zbee_zcl_msg);
 219
 220             /* Call the appropriate command dissector */
 221             switch (cmd_id) {
 222
 223                 case ZBEE_ZCL_CMD_ID_MSG_DISPLAY_MSG:
 224                     dissect_zcl_msg_display(tvb, payload_tree, &offset);
 225                     break;
 226
 227                 case ZBEE_ZCL_CMD_ID_MSG_CANCEL_MSG:
 228                     dissect_zcl_msg_cancel(tvb, payload_tree, &offset);
 229                     break;
 230
 231                 default:
 232                     break;
 233             }
 234         }
 235     }
 236
 237     return tvb_length(tvb);
 238 } /*dissect_zbee_zcl_msg*/
 239
 240  /*FUNCTION:------------------------------------------------------
 241  *  NAME
 242  *      dissect_zcl_msg_display
 243  *  DESCRIPTION
 244  *      This function manages the Display Message payload
 245  *  PARAMETERS
 246  *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 247  *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 248  *      offset              - offset
 249  *  RETURNS
 250  *      none
 251  *---------------------------------------------------------------
 252  */
 253 static void
 254 dissect_zcl_msg_display(tvbuff_t *tvb, proto_tree *tree, guint *offset)
 255 {
 256     proto_tree *sub_tree = NULL;
 257     proto_item *ti;
 258     guint8 control;
 259     guint  msg_len;
 260     guint8 *msg_data;
 261
 262     /* Retrieve "Message ID" field */
 263     proto_tree_add_item(tree, hf_zbee_zcl_msg_message_id, tvb, *offset, 4, ENC_LITTLE_ENDIAN);
 264     *offset += 4;
 265
 266     /* Retrieve "Message Control" field */
 267     control = tvb_get_guint8(tvb, *offset);
 268     ti = proto_tree_add_text(tree, tvb, *offset, 1, "Message Control: 0x%02x", control);
 269     sub_tree = proto_item_add_subtree(ti, ett_zbee_zcl_msg_message_control);
 270     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_tx, tvb, *offset, 1, ENC_NA);
 271     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_importance, tvb, *offset, 1, ENC_NA);
 272     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_reserved, tvb, *offset, 1, ENC_NA);
 273     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_confirm, tvb, *offset, 1, ENC_NA);
 274     *offset += 1;
 275
 276     /* Retrieve "Start Time" field */
 277     proto_tree_add_item(tree, hf_zbee_zcl_msg_start_time, tvb, *offset, 4, ENC_LITTLE_ENDIAN);
 278     *offset += 4;
 279
 280     /* Retrieve "Duration In Minutes" field */
 281     proto_tree_add_item(tree, hf_zbee_zcl_msg_duration, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
 282     *offset += 2;
 283
 284     /* Retrieve "Message Length" field */
 285     msg_len = tvb_get_guint8(tvb, *offset); /* string length */
 286     proto_tree_add_item(tree, hf_zbee_zcl_msg_message_length, tvb, *offset, 1, ENC_NA);
 287     *offset += 1;
 288
 289     /* Retrieve "Message" field */
 290     msg_data = tvb_get_string_enc(wmem_packet_scope(), tvb, *offset, msg_len, ENC_LITTLE_ENDIAN);
 291     proto_tree_add_string(tree, hf_zbee_zcl_msg_message, tvb, *offset, msg_len, msg_data);
 292     *offset += msg_len;
 293
 294 } /*dissect_zcl_msg_display*/
 295
 296  /*FUNCTION:------------------------------------------------------
 297  *  NAME
 298  *      dissect_zcl_msg_cancel
 299  *  DESCRIPTION
 300  *      This function manages the Cancel Message payload
 301  *  PARAMETERS
 302  *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 303  *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 304  *      offset              - offset
 305  *  RETURNS
 306  *      none
 307  *---------------------------------------------------------------
 308  */
 309 static void
 310 dissect_zcl_msg_cancel(tvbuff_t *tvb, proto_tree *tree, guint *offset)
 311 {
 312     proto_tree *sub_tree = NULL;
 313     proto_item *ti;
 314     guint8 control;
 315
 316     /* Retrieve "Message ID" field */
 317     proto_tree_add_item(tree, hf_zbee_zcl_msg_message_id, tvb, *offset, 4, ENC_LITTLE_ENDIAN);
 318     *offset += 4;
 319
 320     /* Retrieve "Message Control" field */
 321     control = tvb_get_guint8(tvb, *offset);
 322     ti = proto_tree_add_text(tree, tvb, *offset, 1, "Message Control: 0x%02x", control);
 323     sub_tree = proto_item_add_subtree(ti, ett_zbee_zcl_msg_message_control);
 324     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_tx, tvb, *offset, 1, ENC_NA);
 325     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_importance, tvb, *offset, 1, ENC_NA);
 326     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_reserved, tvb, *offset, 1, ENC_NA);
 327     proto_tree_add_item(sub_tree, hf_zbee_zcl_msg_ctrl_confirm, tvb, *offset, 1, ENC_NA);
 328     *offset += 1;
 329 }
 330
 331  /*FUNCTION:------------------------------------------------------
 332  *  NAME
 333  *      dissect_zcl_msg_confirm
 334  *  DESCRIPTION
 335  *      This function manages the Message Confirmation payload
 336  *  PARAMETERS
 337  *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 338  *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 339  *      offset              - offset
 340  *  RETURNS
 341  *      none
 342  *---------------------------------------------------------------
 343  */
 344 static void
 345 dissect_zcl_msg_confirm(tvbuff_t *tvb, proto_tree *tree, guint *offset)
 346 {
 347     nstime_t confirm_time;
 348
 349     /* Retrieve "Message ID" field */
 350     proto_tree_add_item(tree, hf_zbee_zcl_msg_message_id, tvb, *offset, 4, ENC_LITTLE_ENDIAN);
 351     *offset += 4;
 352
 353     /* Retrieve "Confirmation Time" field */
 354     confirm_time.secs = tvb_get_letohl(tvb, *offset) + ZBEE_ZCL_NSTIME_UTC_OFFSET;
 355     confirm_time.nsecs = 0;
 356     proto_tree_add_time(tree, hf_zbee_zcl_msg_confirm_time, tvb, *offset, 4, &confirm_time);
 357     *offset += 4;
 358 }
 359
 360 /*FUNCTION:------------------------------------------------------
 361  *  NAME
 362  *      decode_zcl_msg_duration
 363  *  DESCRIPTION
 364  *    this function decodes duration in minute type variable
 365  *  PARAMETERS
 366  *  RETURNS
 367  *      none
 368  *---------------------------------------------------------------
 369  */
 370 static void
 371 decode_zcl_msg_duration(gchar *s, guint16 value)
 372 {
 373     if (value == 0xffff)
 374         g_snprintf(s, ITEM_LABEL_LENGTH, "Until changed");
 375     else
 376         g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", value);
 377     return;
 378 } /*decode_zcl_msg_duration*/
 379
 380 /*FUNCTION:------------------------------------------------------
 381  *  NAME
 382  *      decode_zcl_msg_start_time
 383  *  DESCRIPTION
 384  *      this function decodes start time, with peculiarity case for
 385  *      messaging specifications.
 386  *  PARAMETERS
 387  *      guint *s        - string to display
 388  *      guint32 value   - value to decode
 389  *  RETURNS
 390  *      none
 391  *---------------------------------------------------------------
 392  */
 393 static void
 394 decode_zcl_msg_start_time(gchar *s, guint32 value)
 395 {
 396     if (value == ZBEE_ZCL_MSG_START_TIME_NOW)
 397         g_snprintf(s, ITEM_LABEL_LENGTH, "Now");
 398     else {
 399         value += ZBEE_ZCL_NSTIME_UTC_OFFSET;
 400         g_snprintf(s, ITEM_LABEL_LENGTH, "%s", abs_time_secs_to_str (value, ABSOLUTE_TIME_LOCAL, TRUE));
 401     }
 402 } /* decode_zcl_msg_start_time */
 403
 404
 405 /*FUNCTION:------------------------------------------------------
 406  *  NAME
 407  *      proto_register_zbee_zcl_msg
 408  *  DESCRIPTION
 409  *      this function registers the ZCL Messaging dissector
 410  *      and all its information.
 411  *  PARAMETERS
 412  *      none
 413  *  RETURNS
 414  *      none
 415  *---------------------------------------------------------------
 416  */
 417 void
 418 proto_register_zbee_zcl_msg(void)
 419 {
 420     static hf_register_info hf[] = {
 421
 422         { &hf_zbee_zcl_msg_srv_tx_cmd_id,
 423             { "Command", "zbee_zcl_se.msg.cmd.srv_tx.id", FT_UINT8, BASE_HEX, VALS(zbee_zcl_msg_srv_tx_cmd_names),
 424             0x00, NULL, HFILL } },
 425
 426         { &hf_zbee_zcl_msg_srv_rx_cmd_id,
 427             { "Command", "zbee_zcl_se.msg.cmd.srv_rx.id", FT_UINT8, BASE_HEX, VALS(zbee_zcl_msg_srv_rx_cmd_names),
 428             0x00, NULL, HFILL } },
 429
 430         { &hf_zbee_zcl_msg_message_id,
 431             { "Message ID", "zbee_zcl_se.msg.message.id", FT_UINT32, BASE_HEX, NULL,
 432             0x00, NULL, HFILL } },
 433
 434 /* Start of 'Message Control' fields */
 435         { &hf_zbee_zcl_msg_ctrl_tx,
 436             { "Transmission", "zbee_zcl_se.msg.message.ctrl.tx", FT_UINT8, BASE_HEX, VALS(zbee_zcl_msg_ctrl_tx_names),
 437             ZBEE_ZCL_MSG_CTRL_TX_MASK, NULL, HFILL } },
 438
 439         { &hf_zbee_zcl_msg_ctrl_importance,
 440             { "Importance", "zbee_zcl_se.msg.message.ctrl.importance", FT_UINT8, BASE_HEX, VALS(zbee_zcl_msg_ctrl_importance_names),
 441             ZBEE_ZCL_MSG_CTRL_IMPORTANCE_MASK, NULL, HFILL } },
 442
 443         { &hf_zbee_zcl_msg_ctrl_reserved,
 444             { "Reserved", "zbee_zcl_se.msg.message.ctrl.reserved", FT_UINT8, BASE_HEX, NULL,
 445             ZBEE_ZCL_MSG_CTRL_RESERVED_MASK, NULL, HFILL } },
 446
 447         { &hf_zbee_zcl_msg_ctrl_confirm,
 448             { "Confirmation", "zbee_zcl_se.msg.message.ctrl.confirm", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested),
 449             ZBEE_ZCL_MSG_CTRL_CONFIRM_MASK, NULL, HFILL } },
 450 /* End of 'Message Control' fields */
 451
 452         { &hf_zbee_zcl_msg_start_time,
 453             { "Start Time", "zbee_zcl_se.msg.message.start_time", FT_UINT32, BASE_CUSTOM, decode_zcl_msg_start_time,
 454             0x00, NULL, HFILL } },
 455
 456         { &hf_zbee_zcl_msg_duration,
 457             { "Duration", "zbee_zcl_se.msg.message.duration", FT_UINT16, BASE_CUSTOM, decode_zcl_msg_duration,
 458             0x00, NULL, HFILL } },
 459
 460         { &hf_zbee_zcl_msg_message_length,
 461             { "Message Length", "zbee_zcl_se.msg.message.length", FT_UINT8, BASE_DEC, NULL,
 462             0x00, NULL, HFILL } },
 463
 464         { &hf_zbee_zcl_msg_message,
 465             { "Message", "zbee_zcl_se.msg.message", FT_STRING, BASE_NONE, NULL,
 466             0x00, NULL, HFILL } },
 467
 468         { &hf_zbee_zcl_msg_confirm_time,
 469             { "Confirmation Time", "zbee_zcl_se.msg.message.confirm_time",  FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL,
 470             0x0, NULL, HFILL }}
 471
 472     };
 473
 474     /* ZCL Messaging subtrees */
 475     gint *ett[ZBEE_ZCL_MSG_NUM_ETT];
 476
 477     ett[0] = &ett_zbee_zcl_msg;
 478     ett[1] = &ett_zbee_zcl_msg_message_control;
 479
 480     /* Register the ZigBee ZCL Messaging cluster protocol name and description */
 481     proto_zbee_zcl_msg = proto_register_protocol("ZigBee ZCL Messaging", "ZCL Messaging", ZBEE_PROTOABBREV_ZCL_MSG);
 482     proto_register_field_array(proto_zbee_zcl_msg, hf, array_length(hf));
 483     proto_register_subtree_array(ett, array_length(ett));
 484
 485     /* Register the ZigBee ZCL Messaging dissector. */
 486     new_register_dissector(ZBEE_PROTOABBREV_ZCL_MSG, dissect_zbee_zcl_msg, proto_zbee_zcl_msg);
 487
 488 } /*proto_register_zbee_zcl_msg*/
 489
 490
 491 /*FUNCTION:------------------------------------------------------
 492  *  NAME
 493  *      proto_reg_handoff_zbee_zcl_msg
 494  *  DESCRIPTION
 495  *      Hands off the Zcl Messaging dissector.
 496  *  PARAMETERS
 497  *      none
 498  *  RETURNS
 499  *      void
 500  *---------------------------------------------------------------
 501  */
 502 void
 503 proto_reg_handoff_zbee_zcl_msg(void)
 504 {
 505     dissector_handle_t msg_handle;
 506
 507     /* Register our dissector with the ZigBee application dissectors. */
 508     msg_handle = find_dissector(ZBEE_PROTOABBREV_ZCL_MSG);
 509     dissector_add_uint("zbee.zcl.cluster", ZBEE_ZCL_CID_MESSAGE, msg_handle);
 510
 511     zbee_zcl_init_cluster(  proto_zbee_zcl_msg,
 512                             ett_zbee_zcl_msg,
 513                             ZBEE_ZCL_CID_MESSAGE,
 514                             NULL,
 515                             NULL
 516                          );
 517 } /*proto_reg_handoff_zbee_zcl_msg*/
 518