2 * Routines for Aggregate Server Access Protocol
3 * It is hopefully (needs testing) compilant to
4 * http://www.ietf.org/internet-drafts/draft-ietf-rserpool-asap-02.txt
6 * Copyright 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
8 * $Id: packet-asap.c,v 1.1 2002/04/15 21:47:59 guy Exp $
10 * Ethereal - Network traffic analyzer
11 * By Gerald Combs <gerald@ethereal.com>
12 * Copyright 1998 Gerald Combs
14 * Copied from README.developer
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version 2
19 * of the License, or (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
35 #include <epan/packet.h>
37 #define ASAP_PAYLOAD_PROTO_ID 0xFAEEB5D1
39 /* Initialize the protocol and registered fields */
40 static int proto_asap = -1;
41 static int hf_asap_message_type = -1;
42 static int hf_asap_message_flags = -1;
43 static int hf_asap_message_length = -1;
44 static int hf_asap_message_value = -1;
45 static int hf_asap_parameter_type = -1;
46 static int hf_asap_parameter_length = -1;
47 static int hf_asap_parameter_value = -1;
48 static int hf_asap_parameter_padding = -1;
49 static int hf_asap_parameter_ipv4_address = -1;
50 static int hf_asap_parameter_ipv6_address = -1;
51 static int hf_asap_parameter_port = -1;
52 static int hf_asap_parameter_number_of_addr = -1;
53 static int hf_asap_parameter_load_policy = -1;
54 static int hf_asap_parameter_load_value = -1;
55 static int hf_asap_parameter_reg_life = -1;
56 static int hf_asap_parameter_pool_handle = -1;
57 static int hf_asap_parameter_signature = -1;
58 static int hf_asap_parameter_action_code = -1;
59 static int hf_asap_parameter_result_code = -1;
60 static int hf_asap_parameter_reserved = -1;
62 /* Initialize the subtree pointers */
63 static gint ett_asap = -1;
64 static gint ett_asap_parameter = -1;
67 dissect_all_asap_parameters(tvbuff_t *, proto_tree *);
70 dissect_next_asap_parameters(guint, gint, tvbuff_t *, proto_tree *);
73 nr_of_padding_bytes (guint length)
77 remainder = length % 4;
85 #define PARAMETER_TYPE_LENGTH 2
86 #define PARAMETER_LENGTH_LENGTH 2
87 #define PARAMETER_HEADER_LENGTH (PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_LENGTH)
89 #define PARAMETER_HEADER_OFFSET 0
90 #define PARAMETER_TYPE_OFFSET PARAMETER_HEADER_OFFSET
91 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TYPE_OFFSET + PARAMETER_TYPE_LENGTH)
92 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
94 #define IPV4_ADDRESS_LENGTH 4
95 #define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
98 dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
100 guint32 ipv4_address;
102 tvb_memcpy(parameter_tvb, (guint8 *)&ipv4_address, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH);
103 proto_tree_add_ipv4(parameter_tree, hf_asap_parameter_ipv4_address, parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH, ipv4_address);
104 proto_item_set_text(parameter_item, "IPV4 address parameter");
107 #define IPV6_ADDRESS_LENGTH 16
108 #define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
111 dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
113 proto_tree_add_ipv6(parameter_tree, hf_asap_parameter_ipv6_address, parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH,
114 tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH));
116 proto_item_set_text(parameter_item, "IPV6 address parameter");
119 #define PORT_LENGTH 2
120 #define NUMBER_OF_ADDRESSES_LENGTH 2
121 #define LOAD_POLICY_LENGTH 2
122 #define LOAD_VALUE_LENGTH 2
123 #define REGISTRATION_LIFE_LENGTH 4
125 #define PORT_OFFSET PARAMETER_VALUE_OFFSET
126 #define NUMBER_OF_ADDRESSES_OFFSET (PORT_OFFSET + PORT_LENGTH)
127 #define ADDRESS_LIST_OFFSET (NUMBER_OF_ADDRESSES_OFFSET + NUMBER_OF_ADDRESSES_LENGTH)
128 #define LOAD_POLICY_OFFSET 0
129 #define LOAD_VALUE_OFFSET (LOAD_POLICY_OFFSET + LOAD_POLICY_LENGTH)
130 #define REGISTRATION_LIFE_OFFSET (LOAD_VALUE_OFFSET + LOAD_VALUE_LENGTH)
133 dissect_pool_element_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
135 guint16 port, number_of_addresses, load_policy, load_value;
139 port = tvb_get_ntohs(parameter_tvb, PORT_OFFSET);
140 number_of_addresses = tvb_get_ntohs(parameter_tvb, NUMBER_OF_ADDRESSES_OFFSET);
141 proto_tree_add_uint(parameter_tree, hf_asap_parameter_port, parameter_tvb, PORT_OFFSET, PORT_LENGTH, port);
142 proto_tree_add_uint(parameter_tree, hf_asap_parameter_number_of_addr, parameter_tvb, NUMBER_OF_ADDRESSES_OFFSET, NUMBER_OF_ADDRESSES_LENGTH, number_of_addresses);
144 offset = dissect_next_asap_parameters(number_of_addresses, ADDRESS_LIST_OFFSET, parameter_tvb, parameter_tree);
145 load_policy = tvb_get_ntohs(parameter_tvb, offset + LOAD_POLICY_OFFSET);
146 load_value = tvb_get_ntohs(parameter_tvb, offset + LOAD_VALUE_OFFSET);
147 reg_life = tvb_get_ntohs(parameter_tvb, offset + REGISTRATION_LIFE_OFFSET);
149 proto_tree_add_uint(parameter_tree, hf_asap_parameter_load_policy, parameter_tvb, offset + LOAD_POLICY_OFFSET, LOAD_POLICY_LENGTH, load_policy);
150 proto_tree_add_uint(parameter_tree, hf_asap_parameter_load_value, parameter_tvb, offset + LOAD_VALUE_OFFSET, LOAD_VALUE_LENGTH, load_value);
151 proto_tree_add_uint(parameter_tree, hf_asap_parameter_reg_life, parameter_tvb, offset + REGISTRATION_LIFE_OFFSET, REGISTRATION_LIFE_LENGTH, reg_life);
152 proto_item_set_text(parameter_item, "Pool element");
156 #define POOL_HANDLE_OFFSET PARAMETER_VALUE_OFFSET
159 dissect_pool_handle_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
161 guint16 length, handle_length;
164 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
166 handle_length = length - PARAMETER_HEADER_LENGTH;
167 handle = (char *)tvb_get_ptr(parameter_tvb, POOL_HANDLE_OFFSET, handle_length);
168 proto_tree_add_string(parameter_tree, hf_asap_parameter_pool_handle, parameter_tvb, POOL_HANDLE_OFFSET, handle_length, handle);
169 proto_item_set_text(parameter_item, "Pool handle (%.*s)", handle_length, handle);
172 #define SIGNATURE_OFFSET PARAMETER_VALUE_OFFSET
175 dissect_authorization_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
177 guint16 length, signature_length;
179 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
180 signature_length = length - PARAMETER_HEADER_LENGTH;
182 if (signature_length > 0)
183 proto_tree_add_bytes(parameter_tree, hf_asap_parameter_signature, parameter_tvb, SIGNATURE_OFFSET, signature_length,
184 tvb_get_ptr(parameter_tvb, SIGNATURE_OFFSET, signature_length));
186 proto_item_set_text(parameter_item, "Authorization signature (%u byte%s)", signature_length, plurality(signature_length, "", "s"));
190 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
192 guint16 type, length, parameter_value_length;
194 type = tvb_get_ntohs(parameter_tvb, PARAMETER_TYPE_OFFSET);
195 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
197 parameter_value_length = length - PARAMETER_HEADER_LENGTH;
199 if (parameter_value_length > 0)
200 proto_tree_add_bytes(parameter_tree, hf_asap_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
201 tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length));
203 proto_item_set_text(parameter_item, "Parameter with type %u and %u byte%s value", type, parameter_value_length, plurality(parameter_value_length, "", "s"));
206 #define IPV4_ADDRESS_PARAMETER_TYPE 0x01
207 #define IPV6_ADDRESS_PARAMETER_TYPE 0x02
208 #define POOL_ELEMENT_PARAMETER_TYPE 0x03
209 #define POOL_HANDLE_PARAMETER_TYPE 0x04
210 #define AUTHORIZATION_PARAMETER_TYPE 0x05
212 static const value_string asap_parameter_type_values[] = {
213 { IPV4_ADDRESS_PARAMETER_TYPE, "IPV4 address" },
214 { IPV6_ADDRESS_PARAMETER_TYPE, "IPV6 address" },
215 { POOL_ELEMENT_PARAMETER_TYPE, "Pool element" },
216 { POOL_HANDLE_PARAMETER_TYPE, "Pool handle" },
217 { AUTHORIZATION_PARAMETER_TYPE, "Authorization parameter" },
222 dissect_asap_parameter(tvbuff_t *parameter_tvb, proto_tree *asap_tree)
224 guint16 type, length, padding_length, total_length;
225 proto_item *parameter_item;
226 proto_tree *parameter_tree;
228 /* extract tag and length from the parameter */
229 type = tvb_get_ntohs(parameter_tvb, PARAMETER_TYPE_OFFSET);
230 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
232 /* calculate padding and total length */
233 padding_length = tvb_length(parameter_tvb) - length;
234 total_length = length + padding_length;
236 /* create proto_tree stuff */
237 parameter_item = proto_tree_add_text(asap_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
238 parameter_tree = proto_item_add_subtree(parameter_item, ett_asap_parameter);
240 /* add tag and length to the asap tree */
241 proto_tree_add_uint(parameter_tree, hf_asap_parameter_type, parameter_tvb, PARAMETER_TYPE_OFFSET, PARAMETER_TYPE_LENGTH, type);
242 proto_tree_add_uint(parameter_tree, hf_asap_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
245 case IPV4_ADDRESS_PARAMETER_TYPE:
246 dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item);
248 case IPV6_ADDRESS_PARAMETER_TYPE:
249 dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item);
251 case POOL_ELEMENT_PARAMETER_TYPE:
252 dissect_pool_element_parameter(parameter_tvb, parameter_tree, parameter_item);
254 case POOL_HANDLE_PARAMETER_TYPE:
255 dissect_pool_handle_parameter(parameter_tvb, parameter_tree, parameter_item);
257 case AUTHORIZATION_PARAMETER_TYPE:
258 dissect_authorization_parameter(parameter_tvb, parameter_tree, parameter_item);
261 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
265 if (padding_length > 0)
266 proto_tree_add_bytes(parameter_tree, hf_asap_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
267 tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
272 dissect_next_asap_parameters(guint number_of_parameters, gint initial_offset, tvbuff_t *parameters_tvb, proto_tree *asap_tree)
274 gint offset, length, padding_length, total_length;
275 tvbuff_t *parameter_tvb;
276 guint parameter_number;
278 offset = initial_offset;
279 for(parameter_number=1; parameter_number <= number_of_parameters; parameter_number++) {
280 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
281 padding_length = nr_of_padding_bytes(length);
282 total_length = length + padding_length;
283 /* create a tvb for the parameter including the padding bytes */
284 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
285 dissect_asap_parameter(parameter_tvb, asap_tree);
286 /* get rid of the handled parameter */
287 offset += total_length;
293 dissect_all_asap_parameters(tvbuff_t *parameters_tvb, proto_tree *asap_tree)
295 gint offset, length, padding_length, total_length, remaining_length;
296 tvbuff_t *parameter_tvb;
299 while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
300 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
301 padding_length = nr_of_padding_bytes(length);
302 if (remaining_length >= length)
303 total_length = MIN(length + padding_length, remaining_length);
305 total_length = length + padding_length;
306 /* create a tvb for the parameter including the padding bytes */
307 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
308 dissect_asap_parameter(parameter_tvb, asap_tree);
309 /* get rid of the handled parameter */
310 offset += total_length;
314 #define ACTION_CODE_LENGTH 1
315 #define RESULT_CODE_LENGTH 1
316 #define RESERVED_LENGTH 2
318 #define ACTION_CODE_OFFSET 0
319 #define RESULT_CODE_OFFSET (ACTION_CODE_OFFSET + ACTION_CODE_LENGTH)
320 #define RESERVED_OFFSET (RESULT_CODE_OFFSET + RESULT_CODE_LENGTH)
323 dissect_registration_response_message(tvbuff_t *parameters_tvb, proto_tree *asap_tree)
326 guint8 action_code, result_code;
328 tvbuff_t *last_parameter_tvb;
330 offset = dissect_next_asap_parameters(2, 0, parameters_tvb, asap_tree);
331 action_code = tvb_get_guint8(parameters_tvb, offset + ACTION_CODE_OFFSET);
332 result_code = tvb_get_guint8(parameters_tvb, offset + RESULT_CODE_OFFSET);
333 reserved = tvb_get_ntohs(parameters_tvb, offset + RESERVED_OFFSET);
334 proto_tree_add_uint(asap_tree, hf_asap_parameter_action_code, parameters_tvb, offset + ACTION_CODE_OFFSET, ACTION_CODE_LENGTH, action_code);
335 proto_tree_add_uint(asap_tree, hf_asap_parameter_result_code, parameters_tvb, offset + RESULT_CODE_OFFSET, RESULT_CODE_LENGTH, result_code);
336 proto_tree_add_uint(asap_tree, hf_asap_parameter_reserved, parameters_tvb, offset + RESERVED_OFFSET, RESERVED_LENGTH, reserved);
338 last_parameter_tvb = tvb_new_subset(parameters_tvb, offset + 4 , -1, -1);
339 dissect_all_asap_parameters(last_parameter_tvb, asap_tree);
342 #define MESSAGE_TYPE_LENGTH 1
343 #define MESSAGE_FLAGS_LENGTH 1
344 #define MESSAGE_LENGTH_LENGTH 2
346 #define MESSAGE_TYPE_OFFSET 0
347 #define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
348 #define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
349 #define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
351 #define REGISTRATION_MESSAGE_TYPE 0x01
352 #define DEREGISTRATION_MESSAGE_TYPE 0x02
353 #define REGISTRATION_RESPONSE_MESSAGE_TYPE 0x03
354 #define NAME_RESOLUTION_MESSAGE_TYPE 0x04
355 #define NAME_RESOLUTION_RESPONSE_MESSAGE_TYPE 0x05
356 #define NAME_UNKNOWN_MESSAGE_TYPE 0x06
357 #define ENDPOINT_KEEP_ALIVE_MESSAGE_TYPE 0x08
358 #define ENDPOINT_UNREACHABLE_MESSAGE_TYPE 0x09
359 #define SERVER_HUNT_MESSAGE_TYPE 0x0a
360 #define SERVER_HUNT_RESPONSE_MESSAGE_TYPE 0x0b
362 static const value_string asap_message_type_values[] = {
363 { REGISTRATION_MESSAGE_TYPE, "Registration" },
364 { DEREGISTRATION_MESSAGE_TYPE, "Deregistration" },
365 { REGISTRATION_RESPONSE_MESSAGE_TYPE, "Registration response" },
366 { NAME_RESOLUTION_MESSAGE_TYPE, "Name resolution" },
367 { NAME_RESOLUTION_RESPONSE_MESSAGE_TYPE, "Name resolution response" },
368 { NAME_UNKNOWN_MESSAGE_TYPE, "Name unknown" },
369 { ENDPOINT_KEEP_ALIVE_MESSAGE_TYPE, "Endpoint keep alive" },
370 { ENDPOINT_UNREACHABLE_MESSAGE_TYPE, "Endpoint unreachable" },
371 { SERVER_HUNT_MESSAGE_TYPE, "Server hunt" },
372 { SERVER_HUNT_RESPONSE_MESSAGE_TYPE, "Server hunt response" },
376 dissect_asap_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *asap_tree)
378 tvbuff_t *parameters_tvb;
382 type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
383 flags = tvb_get_guint8(message_tvb, MESSAGE_FLAGS_OFFSET);
384 length = tvb_get_ntohs (message_tvb, MESSAGE_LENGTH_OFFSET);
387 proto_tree_add_uint(asap_tree, hf_asap_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, type);
388 proto_tree_add_uint(asap_tree, hf_asap_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, flags);
389 proto_tree_add_uint(asap_tree, hf_asap_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, length);
392 parameters_tvb = tvb_new_subset(message_tvb, MESSAGE_VALUE_OFFSET, -1, -1);
394 case REGISTRATION_RESPONSE_MESSAGE_TYPE:
395 dissect_registration_response_message(parameters_tvb, asap_tree);
398 dissect_all_asap_parameters(parameters_tvb, asap_tree);
405 dissect_asap(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
407 proto_item *asap_item;
408 proto_tree *asap_tree;
410 /* make entry in the Protocol column on summary display */
411 if (check_col(pinfo->cinfo, COL_PROTOCOL))
412 col_set_str(pinfo->cinfo, COL_PROTOCOL, "ASAP");
414 /* In the interest of speed, if "tree" is NULL, don't do any work not
415 necessary to generate protocol tree items. */
417 /* create the asap protocol tree */
418 asap_item = proto_tree_add_item(tree, proto_asap, message_tvb, 0, -1, FALSE);
419 asap_tree = proto_item_add_subtree(asap_item, ett_asap);
423 /* dissect the message */
424 dissect_asap_message(message_tvb, pinfo, tree, asap_tree);
427 /* Register the protocol with Ethereal */
429 proto_register_asap(void)
432 /* Setup list of header fields */
433 static hf_register_info hf[] = {
434 { &hf_asap_message_type,
435 { "Type", "asap.message_type",
436 FT_UINT8, BASE_DEC, VALS(asap_message_type_values), 0x0,
439 { &hf_asap_message_flags,
440 { "Flags", "asap.message_flags",
441 FT_UINT8, BASE_HEX, NULL, 0x0,
444 { &hf_asap_message_length,
445 { "Length", "asap.message_length",
446 FT_UINT16, BASE_DEC, NULL, 0x0,
449 { &hf_asap_parameter_type,
450 { "Parameter Type", "asap.parameter_type",
451 FT_UINT16, BASE_HEX, VALS(asap_parameter_type_values), 0x0,
454 { &hf_asap_parameter_length,
455 { "Parameter length", "asap.message_length",
456 FT_UINT16, BASE_DEC, NULL, 0x0,
459 { &hf_asap_parameter_value,
460 { "Parameter value", "asap.parameter_value",
461 FT_BYTES, BASE_NONE, NULL, 0x0,
464 { &hf_asap_parameter_padding,
465 { "Padding", "asap.parameter_padding",
466 FT_BYTES, BASE_NONE, NULL, 0x0,
469 {&hf_asap_parameter_ipv4_address,
470 { "IP Version 4 address", "asap.ipv4_address",
471 FT_IPv4, BASE_NONE, NULL, 0x0,
474 {&hf_asap_parameter_ipv6_address,
475 { "IP Version 6 address", "asap.ipv6_address",
476 FT_IPv6, BASE_NONE, NULL, 0x0,
479 { &hf_asap_parameter_port,
480 { "SCTP port", "asap.message_port",
481 FT_UINT16, BASE_DEC, NULL, 0x0,
484 { &hf_asap_parameter_number_of_addr,
485 { "Number of IP addresses", "asap.message_number_of_addresses",
486 FT_UINT16, BASE_DEC, NULL, 0x0,
489 { &hf_asap_parameter_load_policy,
490 { "Load policy", "asap.message_load_policy",
491 FT_UINT16, BASE_DEC, NULL, 0x0,
494 { &hf_asap_parameter_load_value,
495 { "Load value", "asap.message_load_value",
496 FT_UINT16, BASE_DEC, NULL, 0x0,
499 { &hf_asap_parameter_reg_life,
500 { "Registration life", "asap.message_registration_life",
501 FT_UINT32, BASE_DEC, NULL, 0x0,
504 { &hf_asap_parameter_pool_handle,
505 { "Pool handle", "asap.pool_handle",
506 FT_STRING, BASE_DEC, NULL, 0x0,
509 { &hf_asap_parameter_signature,
510 { "Signature", "asap.parameter_signature",
511 FT_BYTES, BASE_NONE, NULL, 0x0,
514 { &hf_asap_parameter_action_code,
515 { "Action code", "asap.message_action_code",
516 FT_UINT8, BASE_DEC, NULL, 0x0,
519 { &hf_asap_parameter_result_code,
520 { "Result code", "asap.message_result_code",
521 FT_UINT8, BASE_DEC, NULL, 0x0,
524 { &hf_asap_parameter_reserved,
525 { "Reserved", "asap.message_reserved",
526 FT_UINT16, BASE_HEX, NULL, 0x0,
531 /* Setup protocol subtree array */
532 static gint *ett[] = {
537 /* Register the protocol name and description */
538 proto_asap = proto_register_protocol("Aggregate Server Access Protocol", "ASAP", "asap");
540 /* Required function calls to register the header fields and subtrees used */
541 proto_register_field_array(proto_asap, hf, array_length(hf));
542 proto_register_subtree_array(ett, array_length(ett));
547 proto_reg_handoff_asap(void)
549 dissector_handle_t asap_handle;
551 asap_handle = create_dissector_handle(dissect_asap, proto_asap);
552 dissector_add("sctp.ppi", ASAP_PAYLOAD_PROTO_ID, asap_handle);