ASAP support, from Michael Tuexen.
svn path=/trunk/; revision=5168
This commit is contained in:
Guy Harris
parent
8440dc6316
commit
cec44f7274
2
AUTHORS
2
AUTHORS
|
|
@ -141,6 +141,7 @@ Aaron Hillegass <aaron[AT]classmax.com> {
|
|||
|
||||
Jason Lango <jal[AT]netapp.com> {
|
||||
RTSP, SDP
|
||||
RTCP fixes
|
||||
}
|
||||
|
||||
Johan Feyaerts <Johan.Feyaerts[AT]siemens.atea.be> {
|
||||
|
|
@ -422,6 +423,7 @@ Michael Tuexen <Michael.Tuexen[AT]icn.siemens.de> {
|
|||
SCTP support in text2pcap
|
||||
SCCP-atop-M3UA support
|
||||
M2UA support
|
||||
ASAP support
|
||||
}
|
||||
|
||||
Bruce Korb <bkorb[AT]sco.com> {
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
# Makefile.am
|
||||
# Automake file for Ethereal
|
||||
#
|
||||
# $Id: Makefile.am,v 1.420 2002/04/14 23:04:03 guy Exp $
|
||||
# $Id: Makefile.am,v 1.421 2002/04/15 21:47:59 guy Exp $
|
||||
#
|
||||
# Ethereal - Network traffic analyzer
|
||||
# By Gerald Combs <gerald@ethereal.com>
|
||||
|
|
@ -76,6 +76,7 @@ DISSECTOR_SRC = \
|
|||
packet-afs.c \
|
||||
packet-aim.c \
|
||||
packet-arp.c \
|
||||
packet-asap.c \
|
||||
packet-ascend.c\
|
||||
packet-atalk.c \
|
||||
packet-atm.c \
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
## Makefile for building ethereal.exe with Microsoft C and nmake
|
||||
## Use: $(MAKE) /$(MAKEFLAGS) -f makefile.nmake
|
||||
#
|
||||
# $Id: Makefile.nmake,v 1.178 2002/04/14 22:52:49 guy Exp $
|
||||
# $Id: Makefile.nmake,v 1.179 2002/04/15 21:47:59 guy Exp $
|
||||
|
||||
include config.nmake
|
||||
include <win32.mak>
|
||||
|
|
@ -28,6 +28,7 @@ DISSECTOR_SRC = \
|
|||
packet-aim.c \
|
||||
packet-arp.c \
|
||||
packet-ascend.c\
|
||||
packet-asap.c \
|
||||
packet-atalk.c \
|
||||
packet-atm.c \
|
||||
packet-auto_rp.c \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,553 @@
|
|||
/* packet-asap.c
|
||||
* Routines for Aggregate Server Access Protocol
|
||||
* It is hopefully (needs testing) compilant to
|
||||
* http://www.ietf.org/internet-drafts/draft-ietf-rserpool-asap-02.txt
|
||||
*
|
||||
* Copyright 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
|
||||
*
|
||||
* $Id: packet-asap.c,v 1.1 2002/04/15 21:47:59 guy Exp $
|
||||
*
|
||||
* Ethereal - Network traffic analyzer
|
||||
* By Gerald Combs <gerald@ethereal.com>
|
||||
* Copyright 1998 Gerald Combs
|
||||
*
|
||||
* Copied from README.developer
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <epan/packet.h>
|
||||
|
||||
#define ASAP_PAYLOAD_PROTO_ID 0xFAEEB5D1
|
||||
|
||||
/* Initialize the protocol and registered fields */
|
||||
static int proto_asap = -1;
|
||||
static int hf_asap_message_type = -1;
|
||||
static int hf_asap_message_flags = -1;
|
||||
static int hf_asap_message_length = -1;
|
||||
static int hf_asap_message_value = -1;
|
||||
static int hf_asap_parameter_type = -1;
|
||||
static int hf_asap_parameter_length = -1;
|
||||
static int hf_asap_parameter_value = -1;
|
||||
static int hf_asap_parameter_padding = -1;
|
||||
static int hf_asap_parameter_ipv4_address = -1;
|
||||
static int hf_asap_parameter_ipv6_address = -1;
|
||||
static int hf_asap_parameter_port = -1;
|
||||
static int hf_asap_parameter_number_of_addr = -1;
|
||||
static int hf_asap_parameter_load_policy = -1;
|
||||
static int hf_asap_parameter_load_value = -1;
|
||||
static int hf_asap_parameter_reg_life = -1;
|
||||
static int hf_asap_parameter_pool_handle = -1;
|
||||
static int hf_asap_parameter_signature = -1;
|
||||
static int hf_asap_parameter_action_code = -1;
|
||||
static int hf_asap_parameter_result_code = -1;
|
||||
static int hf_asap_parameter_reserved = -1;
|
||||
|
||||
/* Initialize the subtree pointers */
|
||||
static gint ett_asap = -1;
|
||||
static gint ett_asap_parameter = -1;
|
||||
|
||||
static void
|
||||
dissect_all_asap_parameters(tvbuff_t *, proto_tree *);
|
||||
|
||||
static gint
|
||||
dissect_next_asap_parameters(guint, gint, tvbuff_t *, proto_tree *);
|
||||
|
||||
static guint
|
||||
nr_of_padding_bytes (guint length)
|
||||
{
|
||||
guint remainder;
|
||||
|
||||
remainder = length % 4;
|
||||
|
||||
if (remainder == 0)
|
||||
return 0;
|
||||
else
|
||||
return 4 - remainder;
|
||||
}
|
||||
|
||||
#define PARAMETER_TYPE_LENGTH 2
|
||||
#define PARAMETER_LENGTH_LENGTH 2
|
||||
#define PARAMETER_HEADER_LENGTH (PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_LENGTH)
|
||||
|
||||
#define PARAMETER_HEADER_OFFSET 0
|
||||
#define PARAMETER_TYPE_OFFSET PARAMETER_HEADER_OFFSET
|
||||
#define PARAMETER_LENGTH_OFFSET (PARAMETER_TYPE_OFFSET + PARAMETER_TYPE_LENGTH)
|
||||
#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
|
||||
|
||||
#define IPV4_ADDRESS_LENGTH 4
|
||||
#define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
|
||||
|
||||
static void
|
||||
dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
guint32 ipv4_address;
|
||||
|
||||
tvb_memcpy(parameter_tvb, (guint8 *)&ipv4_address, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH);
|
||||
proto_tree_add_ipv4(parameter_tree, hf_asap_parameter_ipv4_address, parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH, ipv4_address);
|
||||
proto_item_set_text(parameter_item, "IPV4 address parameter");
|
||||
}
|
||||
|
||||
#define IPV6_ADDRESS_LENGTH 16
|
||||
#define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
|
||||
|
||||
static void
|
||||
dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
proto_tree_add_ipv6(parameter_tree, hf_asap_parameter_ipv6_address, parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH,
|
||||
tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH));
|
||||
|
||||
proto_item_set_text(parameter_item, "IPV6 address parameter");
|
||||
}
|
||||
|
||||
#define PORT_LENGTH 2
|
||||
#define NUMBER_OF_ADDRESSES_LENGTH 2
|
||||
#define LOAD_POLICY_LENGTH 2
|
||||
#define LOAD_VALUE_LENGTH 2
|
||||
#define REGISTRATION_LIFE_LENGTH 4
|
||||
|
||||
#define PORT_OFFSET PARAMETER_VALUE_OFFSET
|
||||
#define NUMBER_OF_ADDRESSES_OFFSET (PORT_OFFSET + PORT_LENGTH)
|
||||
#define ADDRESS_LIST_OFFSET (NUMBER_OF_ADDRESSES_OFFSET + NUMBER_OF_ADDRESSES_LENGTH)
|
||||
#define LOAD_POLICY_OFFSET 0
|
||||
#define LOAD_VALUE_OFFSET (LOAD_POLICY_OFFSET + LOAD_POLICY_LENGTH)
|
||||
#define REGISTRATION_LIFE_OFFSET (LOAD_VALUE_OFFSET + LOAD_VALUE_LENGTH)
|
||||
|
||||
static void
|
||||
dissect_pool_element_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
guint16 port, number_of_addresses, load_policy, load_value;
|
||||
guint32 reg_life;
|
||||
gint offset;
|
||||
|
||||
port = tvb_get_ntohs(parameter_tvb, PORT_OFFSET);
|
||||
number_of_addresses = tvb_get_ntohs(parameter_tvb, NUMBER_OF_ADDRESSES_OFFSET);
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_port, parameter_tvb, PORT_OFFSET, PORT_LENGTH, port);
|
||||
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);
|
||||
|
||||
offset = dissect_next_asap_parameters(number_of_addresses, ADDRESS_LIST_OFFSET, parameter_tvb, parameter_tree);
|
||||
load_policy = tvb_get_ntohs(parameter_tvb, offset + LOAD_POLICY_OFFSET);
|
||||
load_value = tvb_get_ntohs(parameter_tvb, offset + LOAD_VALUE_OFFSET);
|
||||
reg_life = tvb_get_ntohs(parameter_tvb, offset + REGISTRATION_LIFE_OFFSET);
|
||||
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_load_policy, parameter_tvb, offset + LOAD_POLICY_OFFSET, LOAD_POLICY_LENGTH, load_policy);
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_load_value, parameter_tvb, offset + LOAD_VALUE_OFFSET, LOAD_VALUE_LENGTH, load_value);
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_reg_life, parameter_tvb, offset + REGISTRATION_LIFE_OFFSET, REGISTRATION_LIFE_LENGTH, reg_life);
|
||||
proto_item_set_text(parameter_item, "Pool element");
|
||||
|
||||
}
|
||||
|
||||
#define POOL_HANDLE_OFFSET PARAMETER_VALUE_OFFSET
|
||||
|
||||
static void
|
||||
dissect_pool_handle_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
guint16 length, handle_length;
|
||||
char *handle;
|
||||
|
||||
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
||||
|
||||
handle_length = length - PARAMETER_HEADER_LENGTH;
|
||||
handle = (char *)tvb_get_ptr(parameter_tvb, POOL_HANDLE_OFFSET, handle_length);
|
||||
proto_tree_add_string(parameter_tree, hf_asap_parameter_pool_handle, parameter_tvb, POOL_HANDLE_OFFSET, handle_length, handle);
|
||||
proto_item_set_text(parameter_item, "Pool handle (%.*s)", handle_length, handle);
|
||||
}
|
||||
|
||||
#define SIGNATURE_OFFSET PARAMETER_VALUE_OFFSET
|
||||
|
||||
static void
|
||||
dissect_authorization_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
guint16 length, signature_length;
|
||||
|
||||
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
||||
signature_length = length - PARAMETER_HEADER_LENGTH;
|
||||
|
||||
if (signature_length > 0)
|
||||
proto_tree_add_bytes(parameter_tree, hf_asap_parameter_signature, parameter_tvb, SIGNATURE_OFFSET, signature_length,
|
||||
tvb_get_ptr(parameter_tvb, SIGNATURE_OFFSET, signature_length));
|
||||
|
||||
proto_item_set_text(parameter_item, "Authorization signature (%u byte%s)", signature_length, plurality(signature_length, "", "s"));
|
||||
}
|
||||
|
||||
static void
|
||||
dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
||||
{
|
||||
guint16 type, length, parameter_value_length;
|
||||
|
||||
type = tvb_get_ntohs(parameter_tvb, PARAMETER_TYPE_OFFSET);
|
||||
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
||||
|
||||
parameter_value_length = length - PARAMETER_HEADER_LENGTH;
|
||||
|
||||
if (parameter_value_length > 0)
|
||||
proto_tree_add_bytes(parameter_tree, hf_asap_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
|
||||
tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length));
|
||||
|
||||
proto_item_set_text(parameter_item, "Parameter with type %u and %u byte%s value", type, parameter_value_length, plurality(parameter_value_length, "", "s"));
|
||||
}
|
||||
|
||||
#define IPV4_ADDRESS_PARAMETER_TYPE 0x01
|
||||
#define IPV6_ADDRESS_PARAMETER_TYPE 0x02
|
||||
#define POOL_ELEMENT_PARAMETER_TYPE 0x03
|
||||
#define POOL_HANDLE_PARAMETER_TYPE 0x04
|
||||
#define AUTHORIZATION_PARAMETER_TYPE 0x05
|
||||
|
||||
static const value_string asap_parameter_type_values[] = {
|
||||
{ IPV4_ADDRESS_PARAMETER_TYPE, "IPV4 address" },
|
||||
{ IPV6_ADDRESS_PARAMETER_TYPE, "IPV6 address" },
|
||||
{ POOL_ELEMENT_PARAMETER_TYPE, "Pool element" },
|
||||
{ POOL_HANDLE_PARAMETER_TYPE, "Pool handle" },
|
||||
{ AUTHORIZATION_PARAMETER_TYPE, "Authorization parameter" },
|
||||
{ 0, NULL } };
|
||||
|
||||
|
||||
static void
|
||||
dissect_asap_parameter(tvbuff_t *parameter_tvb, proto_tree *asap_tree)
|
||||
{
|
||||
guint16 type, length, padding_length, total_length;
|
||||
proto_item *parameter_item;
|
||||
proto_tree *parameter_tree;
|
||||
|
||||
/* extract tag and length from the parameter */
|
||||
type = tvb_get_ntohs(parameter_tvb, PARAMETER_TYPE_OFFSET);
|
||||
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
|
||||
|
||||
/* calculate padding and total length */
|
||||
padding_length = tvb_length(parameter_tvb) - length;
|
||||
total_length = length + padding_length;
|
||||
|
||||
/* create proto_tree stuff */
|
||||
parameter_item = proto_tree_add_text(asap_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
|
||||
parameter_tree = proto_item_add_subtree(parameter_item, ett_asap_parameter);
|
||||
|
||||
/* add tag and length to the asap tree */
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_type, parameter_tvb, PARAMETER_TYPE_OFFSET, PARAMETER_TYPE_LENGTH, type);
|
||||
proto_tree_add_uint(parameter_tree, hf_asap_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
|
||||
|
||||
switch(type) {
|
||||
case IPV4_ADDRESS_PARAMETER_TYPE:
|
||||
dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
case IPV6_ADDRESS_PARAMETER_TYPE:
|
||||
dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
case POOL_ELEMENT_PARAMETER_TYPE:
|
||||
dissect_pool_element_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
case POOL_HANDLE_PARAMETER_TYPE:
|
||||
dissect_pool_handle_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
case AUTHORIZATION_PARAMETER_TYPE:
|
||||
dissect_authorization_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
default:
|
||||
dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
||||
break;
|
||||
};
|
||||
|
||||
if (padding_length > 0)
|
||||
proto_tree_add_bytes(parameter_tree, hf_asap_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
|
||||
tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
|
||||
}
|
||||
|
||||
|
||||
static gint
|
||||
dissect_next_asap_parameters(guint number_of_parameters, gint initial_offset, tvbuff_t *parameters_tvb, proto_tree *asap_tree)
|
||||
{
|
||||
gint offset, length, padding_length, total_length;
|
||||
tvbuff_t *parameter_tvb;
|
||||
guint parameter_number;
|
||||
|
||||
offset = initial_offset;
|
||||
for(parameter_number=1; parameter_number <= number_of_parameters; parameter_number++) {
|
||||
length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
|
||||
padding_length = nr_of_padding_bytes(length);
|
||||
total_length = length + padding_length;
|
||||
/* create a tvb for the parameter including the padding bytes */
|
||||
parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
|
||||
dissect_asap_parameter(parameter_tvb, asap_tree);
|
||||
/* get rid of the handled parameter */
|
||||
offset += total_length;
|
||||
}
|
||||
return(offset);
|
||||
}
|
||||
|
||||
static void
|
||||
dissect_all_asap_parameters(tvbuff_t *parameters_tvb, proto_tree *asap_tree)
|
||||
{
|
||||
gint offset, length, padding_length, total_length, remaining_length;
|
||||
tvbuff_t *parameter_tvb;
|
||||
|
||||
offset = 0;
|
||||
while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
|
||||
length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
|
||||
padding_length = nr_of_padding_bytes(length);
|
||||
if (remaining_length >= length)
|
||||
total_length = MIN(length + padding_length, remaining_length);
|
||||
else
|
||||
total_length = length + padding_length;
|
||||
/* create a tvb for the parameter including the padding bytes */
|
||||
parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
|
||||
dissect_asap_parameter(parameter_tvb, asap_tree);
|
||||
/* get rid of the handled parameter */
|
||||
offset += total_length;
|
||||
}
|
||||
}
|
||||
|
||||
#define ACTION_CODE_LENGTH 1
|
||||
#define RESULT_CODE_LENGTH 1
|
||||
#define RESERVED_LENGTH 2
|
||||
|
||||
#define ACTION_CODE_OFFSET 0
|
||||
#define RESULT_CODE_OFFSET (ACTION_CODE_OFFSET + ACTION_CODE_LENGTH)
|
||||
#define RESERVED_OFFSET (RESULT_CODE_OFFSET + RESULT_CODE_LENGTH)
|
||||
|
||||
static void
|
||||
dissect_registration_response_message(tvbuff_t *parameters_tvb, proto_tree *asap_tree)
|
||||
{
|
||||
gint offset;
|
||||
guint8 action_code, result_code;
|
||||
guint16 reserved;
|
||||
tvbuff_t *last_parameter_tvb;
|
||||
|
||||
offset = dissect_next_asap_parameters(2, 0, parameters_tvb, asap_tree);
|
||||
action_code = tvb_get_guint8(parameters_tvb, offset + ACTION_CODE_OFFSET);
|
||||
result_code = tvb_get_guint8(parameters_tvb, offset + RESULT_CODE_OFFSET);
|
||||
reserved = tvb_get_ntohs(parameters_tvb, offset + RESERVED_OFFSET);
|
||||
proto_tree_add_uint(asap_tree, hf_asap_parameter_action_code, parameters_tvb, offset + ACTION_CODE_OFFSET, ACTION_CODE_LENGTH, action_code);
|
||||
proto_tree_add_uint(asap_tree, hf_asap_parameter_result_code, parameters_tvb, offset + RESULT_CODE_OFFSET, RESULT_CODE_LENGTH, result_code);
|
||||
proto_tree_add_uint(asap_tree, hf_asap_parameter_reserved, parameters_tvb, offset + RESERVED_OFFSET, RESERVED_LENGTH, reserved);
|
||||
|
||||
last_parameter_tvb = tvb_new_subset(parameters_tvb, offset + 4 , -1, -1);
|
||||
dissect_all_asap_parameters(last_parameter_tvb, asap_tree);
|
||||
}
|
||||
|
||||
#define MESSAGE_TYPE_LENGTH 1
|
||||
#define MESSAGE_FLAGS_LENGTH 1
|
||||
#define MESSAGE_LENGTH_LENGTH 2
|
||||
|
||||
#define MESSAGE_TYPE_OFFSET 0
|
||||
#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
|
||||
#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
|
||||
#define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
|
||||
|
||||
#define REGISTRATION_MESSAGE_TYPE 0x01
|
||||
#define DEREGISTRATION_MESSAGE_TYPE 0x02
|
||||
#define REGISTRATION_RESPONSE_MESSAGE_TYPE 0x03
|
||||
#define NAME_RESOLUTION_MESSAGE_TYPE 0x04
|
||||
#define NAME_RESOLUTION_RESPONSE_MESSAGE_TYPE 0x05
|
||||
#define NAME_UNKNOWN_MESSAGE_TYPE 0x06
|
||||
#define ENDPOINT_KEEP_ALIVE_MESSAGE_TYPE 0x08
|
||||
#define ENDPOINT_UNREACHABLE_MESSAGE_TYPE 0x09
|
||||
#define SERVER_HUNT_MESSAGE_TYPE 0x0a
|
||||
#define SERVER_HUNT_RESPONSE_MESSAGE_TYPE 0x0b
|
||||
|
||||
static const value_string asap_message_type_values[] = {
|
||||
{ REGISTRATION_MESSAGE_TYPE, "Registration" },
|
||||
{ DEREGISTRATION_MESSAGE_TYPE, "Deregistration" },
|
||||
{ REGISTRATION_RESPONSE_MESSAGE_TYPE, "Registration response" },
|
||||
{ NAME_RESOLUTION_MESSAGE_TYPE, "Name resolution" },
|
||||
{ NAME_RESOLUTION_RESPONSE_MESSAGE_TYPE, "Name resolution response" },
|
||||
{ NAME_UNKNOWN_MESSAGE_TYPE, "Name unknown" },
|
||||
{ ENDPOINT_KEEP_ALIVE_MESSAGE_TYPE, "Endpoint keep alive" },
|
||||
{ ENDPOINT_UNREACHABLE_MESSAGE_TYPE, "Endpoint unreachable" },
|
||||
{ SERVER_HUNT_MESSAGE_TYPE, "Server hunt" },
|
||||
{ SERVER_HUNT_RESPONSE_MESSAGE_TYPE, "Server hunt response" },
|
||||
{ 0, NULL } };
|
||||
|
||||
static void
|
||||
dissect_asap_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *asap_tree)
|
||||
{
|
||||
tvbuff_t *parameters_tvb;
|
||||
guint8 type, flags;
|
||||
guint16 length;
|
||||
|
||||
type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
|
||||
flags = tvb_get_guint8(message_tvb, MESSAGE_FLAGS_OFFSET);
|
||||
length = tvb_get_ntohs (message_tvb, MESSAGE_LENGTH_OFFSET);
|
||||
|
||||
if (asap_tree) {
|
||||
proto_tree_add_uint(asap_tree, hf_asap_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, type);
|
||||
proto_tree_add_uint(asap_tree, hf_asap_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, flags);
|
||||
proto_tree_add_uint(asap_tree, hf_asap_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, length);
|
||||
}
|
||||
|
||||
parameters_tvb = tvb_new_subset(message_tvb, MESSAGE_VALUE_OFFSET, -1, -1);
|
||||
switch(type) {
|
||||
case REGISTRATION_RESPONSE_MESSAGE_TYPE:
|
||||
dissect_registration_response_message(parameters_tvb, asap_tree);
|
||||
break;
|
||||
default:
|
||||
dissect_all_asap_parameters(parameters_tvb, asap_tree);
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
dissect_asap(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
|
||||
{
|
||||
proto_item *asap_item;
|
||||
proto_tree *asap_tree;
|
||||
|
||||
/* make entry in the Protocol column on summary display */
|
||||
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ASAP");
|
||||
|
||||
/* In the interest of speed, if "tree" is NULL, don't do any work not
|
||||
necessary to generate protocol tree items. */
|
||||
if (tree) {
|
||||
/* create the asap protocol tree */
|
||||
asap_item = proto_tree_add_item(tree, proto_asap, message_tvb, 0, -1, FALSE);
|
||||
asap_tree = proto_item_add_subtree(asap_item, ett_asap);
|
||||
} else {
|
||||
asap_tree = NULL;
|
||||
};
|
||||
/* dissect the message */
|
||||
dissect_asap_message(message_tvb, pinfo, tree, asap_tree);
|
||||
}
|
||||
|
||||
/* Register the protocol with Ethereal */
|
||||
void
|
||||
proto_register_asap(void)
|
||||
{
|
||||
|
||||
/* Setup list of header fields */
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_asap_message_type,
|
||||
{ "Type", "asap.message_type",
|
||||
FT_UINT8, BASE_DEC, VALS(asap_message_type_values), 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_message_flags,
|
||||
{ "Flags", "asap.message_flags",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_message_length,
|
||||
{ "Length", "asap.message_length",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_type,
|
||||
{ "Parameter Type", "asap.parameter_type",
|
||||
FT_UINT16, BASE_HEX, VALS(asap_parameter_type_values), 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_length,
|
||||
{ "Parameter length", "asap.message_length",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_value,
|
||||
{ "Parameter value", "asap.parameter_value",
|
||||
FT_BYTES, BASE_NONE, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_padding,
|
||||
{ "Padding", "asap.parameter_padding",
|
||||
FT_BYTES, BASE_NONE, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{&hf_asap_parameter_ipv4_address,
|
||||
{ "IP Version 4 address", "asap.ipv4_address",
|
||||
FT_IPv4, BASE_NONE, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{&hf_asap_parameter_ipv6_address,
|
||||
{ "IP Version 6 address", "asap.ipv6_address",
|
||||
FT_IPv6, BASE_NONE, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_port,
|
||||
{ "SCTP port", "asap.message_port",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_number_of_addr,
|
||||
{ "Number of IP addresses", "asap.message_number_of_addresses",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_load_policy,
|
||||
{ "Load policy", "asap.message_load_policy",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_load_value,
|
||||
{ "Load value", "asap.message_load_value",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_reg_life,
|
||||
{ "Registration life", "asap.message_registration_life",
|
||||
FT_UINT32, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_pool_handle,
|
||||
{ "Pool handle", "asap.pool_handle",
|
||||
FT_STRING, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_signature,
|
||||
{ "Signature", "asap.parameter_signature",
|
||||
FT_BYTES, BASE_NONE, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_action_code,
|
||||
{ "Action code", "asap.message_action_code",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_result_code,
|
||||
{ "Result code", "asap.message_result_code",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_asap_parameter_reserved,
|
||||
{ "Reserved", "asap.message_reserved",
|
||||
FT_UINT16, BASE_HEX, NULL, 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
};
|
||||
|
||||
/* Setup protocol subtree array */
|
||||
static gint *ett[] = {
|
||||
&ett_asap,
|
||||
&ett_asap_parameter,
|
||||
};
|
||||
|
||||
/* Register the protocol name and description */
|
||||
proto_asap = proto_register_protocol("Aggregate Server Access Protocol", "ASAP", "asap");
|
||||
|
||||
/* Required function calls to register the header fields and subtrees used */
|
||||
proto_register_field_array(proto_asap, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
|
||||
};
|
||||
|
||||
void
|
||||
proto_reg_handoff_asap(void)
|
||||
{
|
||||
dissector_handle_t asap_handle;
|
||||
|
||||
asap_handle = create_dissector_handle(dissect_asap, proto_asap);
|
||||
dissector_add("sctp.ppi", ASAP_PAYLOAD_PROTO_ID, asap_handle);
|
||||
}
|
||||
Loading…
Reference in New Issue