diff options
author | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2002-04-15 21:47:59 +0000 |
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committer | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2002-04-15 21:47:59 +0000 |
commit | cbb8a83ad51f5524ea81af8280cfce12ac9007db (patch) | |
tree | 4f3979ec14626b227076406032b93a469d3c5316 /packet-asap.c | |
parent | 0567c686dcea24b4646ef64a644473c9c1220ec3 (diff) |
ASAP support, from Michael Tuexen.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@5168 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'packet-asap.c')
-rw-r--r-- | packet-asap.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/packet-asap.c b/packet-asap.c new file mode 100644 index 0000000000..834d104088 --- /dev/null +++ b/packet-asap.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); +} |