forked from osmocom/wireshark
2595 lines
107 KiB
C
2595 lines
107 KiB
C
/* packet-bpv6.c
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* References:
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* RFC 5050: https://tools.ietf.org/html/rfc5050
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*
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* Copyright 2006-2007 The MITRE Corporation.
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* All Rights Reserved.
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* Approved for Public Release; Distribution Unlimited.
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* Tracking Number 07-0090.
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*
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* The US Government will not be charged any license fee and/or royalties
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* related to this software. Neither name of The MITRE Corporation; nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Specification reference:
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* RFC 5050
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* https://tools.ietf.org/html/rfc5050
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*/
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/*
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* Modifications were made to this file under designation MFS-33289-1 and
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* are Copyright 2015 United States Government as represented by NASA
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* Marshall Space Flight Center. All Rights Reserved.
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*
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* Released under the GNU GPL with NASA legal approval granted 2016-06-10.
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*
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* The subject software is provided "AS IS" WITHOUT ANY WARRANTY of any kind,
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* either expressed, implied or statutory and this agreement does not,
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* in any manner, constitute an endorsement by government agency of any
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* results, designs or products resulting from use of the subject software.
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* See the Agreement for the specific language governing permissions and
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* limitations.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/reassemble.h>
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#include <epan/expert.h>
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#include <epan/wscbor.h>
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#include "packet-bpv6.h"
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#include "packet-cfdp.h"
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void proto_register_bpv6(void);
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void proto_reg_handoff_bpv6(void);
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static int dissect_admin_record(proto_tree *primary_tree, tvbuff_t *tvb, packet_info *pinfo,
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int offset, int payload_length, gboolean* success);
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extern void
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dissect_amp_as_subtree(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
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static int evaluate_sdnv(tvbuff_t *tvb, int offset, int *bytecount);
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/// Return an error_info index if not valid
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static int evaluate_sdnv_ei(tvbuff_t *tvb, int offset, int *bytecount, expert_field **error);
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static int add_sdnv_time_to_tree(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_sdnv_time);
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static gint64
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evaluate_sdnv_64(tvbuff_t *tvb, int offset, int *bytecount);
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static int proto_bundle = -1;
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static dissector_handle_t bundle_handle = NULL;
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static dissector_handle_t bpv6_handle = NULL;
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static dissector_handle_t bpv7_handle = NULL;
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static int hf_bundle_pdu_version = -1;
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/* Primary Header Processing Flag Variables */
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static int hf_bundle_procflags = -1;
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static int hf_bundle_procflags_fragment = -1;
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static int hf_bundle_procflags_admin = -1;
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static int hf_bundle_procflags_dont_fragment = -1;
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static int hf_bundle_procflags_cust_xfer_req = -1;
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static int hf_bundle_procflags_dest_singleton = -1;
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static int hf_bundle_procflags_application_ack = -1;
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/* Additions for Version 5 */
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static int hf_bundle_control_flags = -1;
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static int hf_bundle_procflags_general = -1;
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static int hf_bundle_procflags_cos = -1;
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static int hf_bundle_procflags_status = -1;
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/* Primary Header COS Flag Variables */
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static int hf_bundle_cosflags = -1;
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static int hf_bundle_cosflags_priority = -1;
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/* Primary Header Status Report Request Flag Variables */
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static int hf_bundle_srrflags = -1;
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static int hf_bundle_srrflags_report_receipt = -1;
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static int hf_bundle_srrflags_report_cust_accept = -1;
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static int hf_bundle_srrflags_report_forward = -1;
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static int hf_bundle_srrflags_report_delivery = -1;
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static int hf_bundle_srrflags_report_deletion = -1;
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static int hf_bundle_srrflags_report_ack = -1;
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/* Primary Header Fields*/
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static int hf_bundle_primary_header_len = -1;
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static int hf_bundle_primary_dictionary_len = -1;
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static int hf_bundle_primary_timestamp = -1;
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static int hf_bundle_primary_fragment_offset = -1;
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static int hf_bundle_primary_total_adu_len = -1;
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static int hf_bundle_primary_timestamp_seq_num64 = -1;
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static int hf_bundle_primary_timestamp_seq_num32 = -1;
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static int hf_bundle_dest_scheme_offset_u16 = -1;
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static int hf_bundle_dest_scheme_offset_i32 = -1;
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static int hf_bundle_dest_ssp_offset_u16 = -1;
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static int hf_bundle_dest_ssp_offset_i32 = -1;
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static int hf_bundle_source_scheme_offset_u16 = -1;
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static int hf_bundle_source_scheme_offset_i32 = -1;
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static int hf_bundle_source_ssp_offset_u16 = -1;
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static int hf_bundle_source_ssp_offset_i32 = -1;
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static int hf_bundle_report_scheme_offset_u16 = -1;
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static int hf_bundle_report_scheme_offset_i32 = -1;
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static int hf_bundle_report_ssp_offset_u16 = -1;
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static int hf_bundle_report_ssp_offset_i32 = -1;
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static int hf_bundle_cust_scheme_offset_u16 = -1;
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static int hf_bundle_cust_scheme_offset_i32 = -1;
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static int hf_bundle_cust_ssp_offset_u16 = -1;
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static int hf_bundle_cust_ssp_offset_i32 = -1;
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/* Dictionary EIDs */
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static int hf_bundle_dest_scheme = -1;
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static int hf_bundle_dest_ssp = -1;
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static int hf_bundle_source_scheme = -1;
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static int hf_bundle_source_ssp = -1;
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static int hf_bundle_report_scheme = -1;
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static int hf_bundle_report_ssp = -1;
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static int hf_bundle_custodian_scheme = -1;
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static int hf_bundle_custodian_ssp = -1;
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/* Remaining Primary Header Fields */
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static int hf_bundle_creation_timestamp = -1;
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static int hf_bundle_lifetime = -1;
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static int hf_bundle_lifetime_sdnv = -1;
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/* Secondary Header Processing Flag Variables */
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static int hf_bundle_payload_length = -1;
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static int hf_bundle_payload_header_type = -1;
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static int hf_bundle_payload_data = -1;
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static int hf_bundle_payload_flags = -1;
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static int hf_bundle_payload_flags_replicate_hdr = -1;
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static int hf_bundle_payload_flags_xmit_report = -1;
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static int hf_bundle_payload_flags_discard_on_fail = -1;
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static int hf_bundle_payload_flags_last_header = -1;
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/* Block Processing Control Flag Variables (Version 5) */
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static int hf_block_control_flags = -1;
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static int hf_block_control_flags_sdnv = -1;
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static int hf_block_control_replicate = -1;
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static int hf_block_control_transmit_status = -1;
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static int hf_block_control_delete_bundle = -1;
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static int hf_block_control_last_block = -1;
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static int hf_block_control_discard_block = -1;
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static int hf_block_control_not_processed = -1;
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static int hf_block_control_eid_reference = -1;
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static int hf_block_control_block_length = -1;
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static int hf_block_control_block_cteb_custody_id = -1;
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static int hf_block_control_block_cteb_creator_custodian_eid = -1;
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/* Non-Primary Block Type Code Variable */
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static int hf_bundle_block_type_code = -1;
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static int hf_bundle_unprocessed_block_data = -1;
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/* ECOS Flag Variables */
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static int hf_ecos_flags = -1;
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static int hf_ecos_flags_critical = -1;
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static int hf_ecos_flags_streaming = -1;
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static int hf_ecos_flags_flowlabel = -1;
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static int hf_ecos_flags_reliable = -1;
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static int hf_ecos_flow_label = -1;
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static int hf_ecos_ordinal = -1;
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/* Administrative Record Variables */
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static int hf_bundle_admin_record_type = -1;
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static int hf_bundle_admin_record_fragment = -1;
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static int hf_bundle_admin_statflags = -1;
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static int hf_bundle_admin_rcvd = -1;
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static int hf_bundle_admin_accepted = -1;
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static int hf_bundle_admin_forwarded = -1;
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static int hf_bundle_admin_delivered = -1;
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static int hf_bundle_admin_deleted = -1;
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static int hf_bundle_admin_acked = -1;
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static int hf_bundle_admin_fragment_offset = -1;
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static int hf_bundle_admin_fragment_length = -1;
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static int hf_bundle_admin_timestamp_seq_num64 = -1;
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static int hf_bundle_admin_timestamp_seq_num32 = -1;
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static int hf_bundle_admin_endpoint_length = -1;
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static int hf_bundle_admin_endpoint_id = -1;
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static int hf_bundle_admin_receipt_time = -1;
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static int hf_bundle_admin_accept_time = -1;
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static int hf_bundle_admin_forward_time = -1;
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static int hf_bundle_admin_delivery_time = -1;
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static int hf_bundle_admin_delete_time = -1;
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static int hf_bundle_admin_ack_time = -1;
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static int hf_bundle_admin_timestamp_copy = -1;
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static int hf_bundle_admin_signal_time = -1;
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static int hf_bundle_status_report_reason_code = -1;
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static int hf_bundle_custody_trf_succ_flg = -1;
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static int hf_bundle_custody_signal_reason = -1;
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static int hf_bundle_custody_id_range_start = -1;
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static int hf_bundle_custody_id_range_end = -1;
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static int hf_bundle_age_extension_block_code = -1;
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static int hf_bundle_block_previous_hop_scheme = -1;
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static int hf_bundle_block_previous_hop_eid = -1;
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/* Security Block Variables */
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static int hf_bundle_target_block_type = -1;
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static int hf_bundle_target_block_occurrence = -1;
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static int hf_bundle_ciphersuite_type = -1;
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static int hf_bundle_ciphersuite_flags = -1;
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static int hf_block_ciphersuite_params = -1;
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static int hf_block_ciphersuite_params_length = -1;
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static int hf_block_ciphersuite_params_item_length = -1;
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static int hf_block_ciphersuite_param_type = -1;
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static int hf_block_ciphersuite_param_data = -1;
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static int hf_block_ciphersuite_result_length = -1;
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static int hf_block_ciphersuite_result_item_length = -1;
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static int hf_block_ciphersuite_result_type = -1;
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static int hf_block_ciphersuite_result_data = -1;
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static int hf_block_ciphersuite_range_offset = -1;
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static int hf_block_ciphersuite_range_length = -1;
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/* Tree Node Variables */
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static gint ett_bundle = -1;
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static gint ett_bundle_hdr = -1;
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static gint ett_primary_hdr = -1;
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static gint ett_proc_flags = -1;
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static gint ett_gen_flags = -1;
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static gint ett_cos_flags = -1;
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static gint ett_srr_flags = -1;
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static gint ett_dictionary = -1;
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static gint ett_payload_hdr = -1;
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static gint ett_payload_flags = -1;
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static gint ett_block_flags = -1;
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static gint ett_admin_record = -1;
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static gint ett_admin_rec_status = -1;
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static gint ett_metadata_hdr = -1;
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static gint ett_sec_block_param_data = -1;
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static expert_field ei_bundle_payload_length = EI_INIT;
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static expert_field ei_bundle_control_flags_length = EI_INIT;
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static expert_field ei_bundle_block_control_flags = EI_INIT;
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static expert_field ei_bundle_sdnv_length = EI_INIT;
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static expert_field ei_bundle_timestamp_seq_num = EI_INIT;
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static expert_field ei_bundle_offset_error = EI_INIT;
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static expert_field ei_block_control_block_cteb_invalid = EI_INIT;
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static expert_field ei_block_control_block_cteb_valid = EI_INIT;
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typedef struct dictionary_data {
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int bundle_header_dict_length;
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int dest_scheme_offset;
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int dst_scheme_pos;
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int dst_scheme_len;
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int source_scheme_offset;
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int src_scheme_pos;
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int src_scheme_len;
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int report_scheme_offset;
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int rpt_scheme_pos;
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int rpt_scheme_len;
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int cust_scheme_offset;
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int cust_scheme_pos;
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int cust_scheme_len;
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int dest_ssp_offset;
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int dst_ssp_len;
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int source_ssp_offset;
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int src_ssp_len;
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int report_ssp_offset;
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int rpt_ssp_len;
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int cust_ssp_offset;
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int cust_ssp_len;
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} dictionary_data_t;
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static const value_string admin_record_type_vals[] = {
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{ADMIN_REC_TYPE_STATUS_REPORT, "Bundle Status Report"},
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{ADMIN_REC_TYPE_CUSTODY_SIGNAL, "Custody Signal"},
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{ADMIN_REC_TYPE_AGGREGATE_CUSTODY_SIGNAL, "Aggregate Custody Signal"},
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{ADMIN_REC_TYPE_ANNOUNCE_BUNDLE, "Announce Record (Contact)"},
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{0, NULL}
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};
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static const value_string custody_signal_reason_codes[] = {
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{0x0, "No Additional Information"},
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{0x3, "Redundant Reception"},
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{0x4, "Depleted Storage"},
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{0x5, "Destination Endpoint ID Unintelligible"},
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{0x6, "No Known Route to Destination"},
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{0x7, "No Timely Contact with Next Node on Route"},
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{0x8, "Header Unintelligible"},
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{0, NULL}
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};
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static const value_string status_report_reason_codes[] = {
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{0x0, "No Additional Information"},
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{0x1, "Lifetime Expired"},
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{0x2, "Forwarded over Unidirectional Link"},
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{0x3, "Transmission Cancelled"},
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{0x4, "Depleted Storage"},
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{0x5, "Destination Endpoint ID Unintelligible"},
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{0x6, "No Known Route to Destination"},
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{0x7, "No Timely Contact with Next Node on Route"},
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{0x8, "Header Unintelligible"},
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{0, NULL}
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};
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static const value_string bundle_block_type_codes[] = {
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{0x01, "Bundle Payload Block"},
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{0x02, "Bundle Authentication Block"},
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{0x03, "Block Integrity Block"},
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{0x04, "Block Confidentiality Block"},
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{0x05, "Previous-Hop Insertion Block"},
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{0x08, "Metadata Extension Block"},
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{0x09, "Extension Security Block"},
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{0x0a, "Custody Transfer Enhancement Block"},
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{0x13, "Extended Class of Service Block"},
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{0x14, "Bundle Age Extension Block"},
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{0, NULL}
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};
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static const value_string cosflags_priority_vals[] = {
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{0x00, "Bulk"},
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{0x01, "Normal"},
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{0x02, "Expedited"},
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{0x03, "Invalid (Reserved)"},
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{0, NULL}
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};
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static const value_string ciphersuite_types[] = {
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{0x01, "HMAC_SHA1"},
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{0x05, "HMAC_SHA256"},
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{0x06, "ARC4_AES128"},
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{0xD1, "HMAC_SHA384"},
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{0xD2, "ECDSA_SHA256"},
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{0xD3, "ECDSA_SHA384"},
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{0xD4, "SHA256_AES128"},
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{0xD5, "SHA384_AES256"},
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{0, NULL}
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};
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static const value_string res_params_types[] = {
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{0x01, "Initialization Vector"},
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{0x03, "Key Information"},
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{0x04, "Content Range"},
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{0x05, "Integrity Signature"},
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{0x07, "Salt"},
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{0x08, "BCB Integrity Check Value"},
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{0, NULL}
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};
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/*
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* Adds the result of 2 SDNVs to tree: First SDNV is seconds, next is nanoseconds.
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* Returns bytes in both SDNVs or 0 if something goes wrong.
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*/
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static int
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add_dtn_time_to_tree(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_dtn_time)
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{
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nstime_t dtn_time;
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int sdnv_length, sdnv2_length;
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int sdnv_value;
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int orig_offset;
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orig_offset = offset;
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sdnv_value = evaluate_sdnv(tvb, offset, &sdnv_length);
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if (sdnv_value < 0) {
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return 0;
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}
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dtn_time.secs = (time_t)(sdnv_value + 946684800);
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offset += sdnv_length;
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dtn_time.nsecs = evaluate_sdnv(tvb, offset, &sdnv2_length);
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if (dtn_time.nsecs < 0) {
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return 0;
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}
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proto_tree_add_time(tree, hf_dtn_time, tvb, orig_offset, sdnv_length + sdnv2_length, &dtn_time);
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return (sdnv_length + sdnv2_length);
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}
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/*
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* Adds the result of SDNV which is a time since 2000 to tree.
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* Returns bytes in SDNV or 0 if something goes wrong.
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*/
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int
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add_sdnv_time_to_tree(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_sdnv_time)
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{
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nstime_t dtn_time;
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int sdnv_length;
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int sdnv_value;
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sdnv_value = evaluate_sdnv(tvb, offset, &sdnv_length);
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if (sdnv_value < 0) {
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return 0;
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}
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dtn_time.secs = (time_t)(sdnv_value + 946684800);
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dtn_time.nsecs = 0;
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proto_tree_add_time(tree, hf_sdnv_time, tvb, offset, sdnv_length, &dtn_time);
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return sdnv_length;
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}
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static int
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add_sdnv_to_tree(proto_tree *tree, tvbuff_t *tvb, packet_info* pinfo, int offset, int hf_sdnv)
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{
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proto_item *ti;
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int sdnv_length;
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int sdnv_value;
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|
|
sdnv_value = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(tree, hf_sdnv, tvb, offset, sdnv_length, sdnv_value);
|
|
if (sdnv_value < 0) {
|
|
expert_add_info(pinfo, ti, &ei_bundle_sdnv_length);
|
|
return 0;
|
|
}
|
|
return sdnv_length;
|
|
}
|
|
|
|
/*
|
|
* Pull out stuff from the dictionary
|
|
*/
|
|
static int
|
|
dissect_dictionary(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, dictionary_data_t* dict_data,
|
|
guint8 pri_hdr_procflags, gchar **bundle_custodian, int creation_timestamp, int timestamp_sequence)
|
|
{
|
|
proto_tree *dict_tree;
|
|
const gchar* col_text;
|
|
|
|
col_text = col_get_text(pinfo->cinfo, COL_INFO);
|
|
|
|
dict_tree = proto_tree_add_subtree(tree, tvb, offset, dict_data->bundle_header_dict_length, ett_dictionary, NULL, "Dictionary");
|
|
|
|
/*
|
|
* If the dictionary length is 0, then the CBHE block compression method is applied. (RFC6260)
|
|
* So the scheme offset is the node number and the ssp offset is the service number.
|
|
* If destination scheme offset is 2 and destination ssp offset is 1, then the EID is
|
|
* ipn:2.1
|
|
*/
|
|
if (dict_data->bundle_header_dict_length == 0)
|
|
{
|
|
const gchar *src_node, *dst_node;
|
|
|
|
/*
|
|
* Destination info
|
|
*/
|
|
if (dict_data->dest_scheme_offset == 0 && dict_data->dest_ssp_offset == 0)
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_dest_scheme, tvb, 0, 0, DTN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_dest_ssp, tvb, dict_data->dst_scheme_pos,
|
|
dict_data->dst_scheme_len + dict_data->dst_ssp_len, "none");
|
|
|
|
dst_node = "dtn:none";
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_dest_scheme, tvb, 0, 0, IPN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_dest_ssp, tvb, dict_data->dst_scheme_pos,
|
|
dict_data->dst_scheme_len + dict_data->dst_ssp_len,
|
|
wmem_strdup_printf(pinfo->pool, "%d.%d",dict_data->dest_scheme_offset,dict_data->dest_ssp_offset));
|
|
|
|
dst_node = wmem_strdup_printf(pinfo->pool, "%s:%d.%d", IPN_SCHEME_STR,
|
|
dict_data->dest_scheme_offset, dict_data->dest_ssp_offset);
|
|
}
|
|
|
|
/*
|
|
* Source info
|
|
*/
|
|
if (dict_data->source_scheme_offset == 0 && dict_data->source_ssp_offset == 0)
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_source_scheme, tvb, 0, 0, DTN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_source_ssp, tvb, dict_data->src_scheme_pos,
|
|
dict_data->src_scheme_len + dict_data->src_ssp_len, "none");
|
|
|
|
src_node = "dtn:none";
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_source_scheme, tvb, 0, 0, IPN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_source_ssp, tvb, dict_data->src_scheme_pos,
|
|
dict_data->src_scheme_len + dict_data->src_ssp_len,
|
|
wmem_strdup_printf(pinfo->pool, "%d.%d", dict_data->source_scheme_offset, dict_data->source_ssp_offset));
|
|
|
|
src_node = wmem_strdup_printf(pinfo->pool, "%s:%d.%d", IPN_SCHEME_STR,
|
|
dict_data->source_scheme_offset, dict_data->source_ssp_offset);
|
|
}
|
|
|
|
/*
|
|
* Report to info
|
|
*/
|
|
if (dict_data->report_scheme_offset == 0 && dict_data->report_ssp_offset == 0)
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_report_scheme, tvb, 0, 0, DTN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_report_ssp, tvb, dict_data->rpt_scheme_pos,
|
|
dict_data->rpt_scheme_len + dict_data->rpt_ssp_len, "none");
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_report_scheme, tvb, 0, 0, IPN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_report_ssp, tvb, dict_data->rpt_scheme_pos,
|
|
dict_data->rpt_scheme_len + dict_data->rpt_ssp_len,
|
|
wmem_strdup_printf(pinfo->pool, "%d.%d", dict_data->report_scheme_offset, dict_data->report_ssp_offset));
|
|
}
|
|
|
|
/*
|
|
* Custodian info
|
|
*/
|
|
if (dict_data->cust_scheme_offset == 0 && dict_data->cust_ssp_offset == 0)
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_custodian_scheme, tvb, 0, 0, DTN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_custodian_ssp, tvb, dict_data->cust_scheme_pos,
|
|
dict_data->cust_scheme_len + dict_data->cust_ssp_len, "none");
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_string(dict_tree, hf_bundle_custodian_scheme, tvb, 0, 0, IPN_SCHEME_STR);
|
|
proto_tree_add_string(dict_tree, hf_bundle_custodian_ssp, tvb, dict_data->cust_scheme_pos,
|
|
dict_data->cust_scheme_len + dict_data->cust_ssp_len,
|
|
wmem_strdup_printf(pinfo->pool, "%d.%d", dict_data->cust_scheme_offset, dict_data->cust_ssp_offset));
|
|
}
|
|
|
|
/* remember custodian, for use in checking cteb validity */
|
|
col_set_writable(pinfo->cinfo, COL_INFO, TRUE);
|
|
col_clear_fence(pinfo->cinfo, COL_INFO);
|
|
if (col_text && strstr(col_text, " > ")) {
|
|
if (! strstr(col_text, "[multiple]")) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, ", [multiple]");
|
|
}
|
|
} else {
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s > %s %d.%d", src_node, dst_node, creation_timestamp, timestamp_sequence);
|
|
}
|
|
col_set_fence(pinfo->cinfo, COL_INFO);
|
|
|
|
*bundle_custodian = wmem_strdup_printf(pinfo->pool, "%s:%d.%d", IPN_SCHEME_STR,
|
|
dict_data->cust_scheme_offset, dict_data->cust_ssp_offset);
|
|
}
|
|
|
|
/*
|
|
* This pointer can be made to address outside the packet boundaries so we
|
|
* need to check for improperly formatted strings (no null termination).
|
|
*/
|
|
|
|
else
|
|
{
|
|
/*
|
|
* Destination info
|
|
*/
|
|
|
|
proto_tree_add_item(dict_tree, hf_bundle_dest_scheme,
|
|
tvb, offset + dict_data->dest_scheme_offset, -1, ENC_ASCII);
|
|
proto_tree_add_item(dict_tree, hf_bundle_dest_ssp,
|
|
tvb, offset + dict_data->dest_ssp_offset, -1, ENC_ASCII);
|
|
|
|
/*
|
|
* Source info
|
|
*/
|
|
|
|
proto_tree_add_item(dict_tree, hf_bundle_source_scheme,
|
|
tvb, offset + dict_data->source_scheme_offset, -1, ENC_ASCII);
|
|
proto_tree_add_item(dict_tree, hf_bundle_source_ssp,
|
|
tvb, offset + dict_data->source_ssp_offset, -1, ENC_ASCII);
|
|
|
|
/*
|
|
* Report to info
|
|
*/
|
|
|
|
proto_tree_add_item(dict_tree, hf_bundle_report_scheme,
|
|
tvb, offset + dict_data->report_scheme_offset, -1, ENC_ASCII);
|
|
proto_tree_add_item(dict_tree, hf_bundle_report_ssp,
|
|
tvb, offset + dict_data->report_ssp_offset, -1, ENC_ASCII);
|
|
|
|
/*
|
|
* Custodian info
|
|
*/
|
|
|
|
proto_tree_add_item(dict_tree, hf_bundle_custodian_scheme, tvb, offset + dict_data->cust_scheme_offset, -1, ENC_ASCII);
|
|
proto_tree_add_item(dict_tree, hf_bundle_custodian_ssp, tvb, offset + dict_data->cust_ssp_offset, -1, ENC_ASCII);
|
|
|
|
/*
|
|
* Add Source/Destination to INFO Field
|
|
*/
|
|
|
|
col_set_writable(pinfo->cinfo, COL_INFO, TRUE);
|
|
col_clear_fence(pinfo->cinfo, COL_INFO);
|
|
if (col_text && strstr(col_text, " > "))
|
|
col_append_str(pinfo->cinfo, COL_INFO, ", [multiple]");
|
|
else {
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s:%s > %s:%s %d.%d",
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset + dict_data->source_scheme_offset, NULL, ENC_ASCII),
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset + dict_data->source_ssp_offset, NULL, ENC_ASCII),
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset + dict_data->dest_scheme_offset, NULL, ENC_ASCII),
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset + dict_data->dest_ssp_offset, NULL, ENC_ASCII),
|
|
creation_timestamp, timestamp_sequence);
|
|
}
|
|
col_set_fence(pinfo->cinfo, COL_INFO);
|
|
|
|
|
|
/* remember custodian, for use in checking cteb validity */
|
|
*bundle_custodian = wmem_strdup_printf(pinfo->pool,
|
|
"%s:%s",
|
|
tvb_get_stringz_enc(pinfo->pool,
|
|
tvb, offset + dict_data->cust_scheme_offset,
|
|
NULL, ENC_ASCII),
|
|
tvb_get_stringz_enc(pinfo->pool,
|
|
tvb, offset + dict_data->cust_ssp_offset,
|
|
NULL, ENC_ASCII));
|
|
}
|
|
offset += dict_data->bundle_header_dict_length; /*Skip over dictionary*/
|
|
|
|
/*
|
|
* Do this only if Fragment Flag is set
|
|
*/
|
|
|
|
if (pri_hdr_procflags & BUNDLE_PROCFLAGS_FRAG_MASK) {
|
|
int sdnv_length;
|
|
sdnv_length = add_sdnv_to_tree(tree, tvb, pinfo, offset, hf_bundle_primary_fragment_offset);
|
|
if (sdnv_length < 0) {
|
|
return 0;
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
sdnv_length = add_sdnv_to_tree(tree, tvb, pinfo, offset, hf_bundle_primary_total_adu_len);
|
|
if (sdnv_length < 0) {
|
|
return 0;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* This routine returns 0 if header decoding fails, otherwise the length of the primary
|
|
* header, starting right after version number.
|
|
*/
|
|
static int
|
|
dissect_version_4_primary_header(packet_info *pinfo, proto_tree *primary_tree, tvbuff_t *tvb,
|
|
guint8* pri_hdr_procflags, gchar **bundle_custodian)
|
|
{
|
|
int bundle_header_length;
|
|
int offset = 1; /* Version Number already displayed */
|
|
int sdnv_length;
|
|
dictionary_data_t dict_data;
|
|
|
|
proto_item *ti;
|
|
proto_tree *srr_flag_tree, *proc_flag_tree, *cos_flag_tree;
|
|
|
|
/* Primary Header Processing Flags */
|
|
*pri_hdr_procflags = tvb_get_guint8(tvb, offset);
|
|
ti = proto_tree_add_item(primary_tree, hf_bundle_procflags, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
proc_flag_tree = proto_item_add_subtree(ti, ett_proc_flags);
|
|
proto_tree_add_item(proc_flag_tree, hf_bundle_procflags_fragment,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(proc_flag_tree, hf_bundle_procflags_admin,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(proc_flag_tree, hf_bundle_procflags_dont_fragment,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(proc_flag_tree, hf_bundle_procflags_cust_xfer_req,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(proc_flag_tree, hf_bundle_procflags_dest_singleton,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Primary Header COS Flags */
|
|
++offset;
|
|
ti = proto_tree_add_item(primary_tree, hf_bundle_cosflags, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
cos_flag_tree = proto_item_add_subtree(ti, ett_cos_flags);
|
|
proto_tree_add_item(cos_flag_tree, hf_bundle_cosflags_priority,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Status Report Request Flags */
|
|
++offset;
|
|
ti = proto_tree_add_item(primary_tree, hf_bundle_srrflags, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
srr_flag_tree = proto_item_add_subtree(ti, ett_srr_flags);
|
|
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_receipt,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_cust_accept,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_forward,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_delivery,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_deletion,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srr_flag_tree, hf_bundle_srrflags_report_ack,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
|
|
bundle_header_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(primary_tree, hf_bundle_primary_header_len, tvb, offset, sdnv_length,
|
|
bundle_header_length);
|
|
if (bundle_header_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "Bundle Header Length Error");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
offset += sdnv_length;
|
|
|
|
/* Ensure all fields have been initialized */
|
|
memset(&dict_data, 0, sizeof(dict_data));
|
|
|
|
/*
|
|
* Pick up offsets into dictionary (8 of them)
|
|
*/
|
|
|
|
dict_data.dest_scheme_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.dst_scheme_pos = offset;
|
|
dict_data.dst_scheme_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_dest_scheme_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.dest_ssp_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.dst_ssp_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_dest_ssp_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.source_scheme_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.src_scheme_pos = offset;
|
|
dict_data.src_scheme_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_source_scheme_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.source_ssp_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.src_ssp_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_source_ssp_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.report_scheme_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.rpt_scheme_pos = offset;
|
|
dict_data.rpt_scheme_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_report_scheme_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.report_ssp_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.rpt_ssp_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_report_ssp_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.cust_scheme_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.cust_scheme_pos = offset;
|
|
dict_data.cust_scheme_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_cust_scheme_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
dict_data.cust_ssp_offset = tvb_get_ntohs(tvb, offset);
|
|
dict_data.cust_ssp_len = 2;
|
|
proto_tree_add_item(primary_tree, hf_bundle_cust_ssp_offset_u16,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(primary_tree, hf_bundle_creation_timestamp,
|
|
tvb, offset, 8, ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
|
|
proto_tree_add_item(primary_tree, hf_bundle_lifetime, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
dict_data.bundle_header_dict_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(primary_tree, hf_bundle_primary_dictionary_len, tvb, offset, sdnv_length,
|
|
dict_data.bundle_header_dict_length);
|
|
if (dict_data.bundle_header_dict_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "Dictionary Header Length Error");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
offset = dissect_dictionary(pinfo, primary_tree, tvb, offset, &dict_data, *pri_hdr_procflags, bundle_custodian, 0, 0);
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* This routine returns 0 if header decoding fails, otherwise the length of the primary
|
|
* header, starting right after version number.
|
|
*/
|
|
|
|
static int src_ssp;
|
|
static int dst_ssp;
|
|
|
|
static int
|
|
dissect_version_5_and_6_primary_header(packet_info *pinfo,
|
|
proto_tree *primary_tree, tvbuff_t *tvb,
|
|
guint8* pri_hdr_procflags, gchar **bundle_custodian)
|
|
{
|
|
guint64 bundle_processing_control_flags;
|
|
guint8 cosflags;
|
|
int bundle_header_length;
|
|
int offset = 1; /* Version Number already displayed */
|
|
int sdnv_length;
|
|
dictionary_data_t dict_data;
|
|
int timestamp_sequence;
|
|
int creation_timestamp;
|
|
guint8 srrflags;
|
|
proto_item *ti;
|
|
proto_item *ti_dst_scheme_offset, *ti_dst_ssp_offset;
|
|
proto_item *ti_src_scheme_offset, *ti_src_ssp_offset;
|
|
proto_item *ti_cust_scheme_offset, *ti_cust_ssp_offset;
|
|
proto_item *ti_rprt_scheme_offset, *ti_rprt_ssp_offset;
|
|
proto_tree *gen_flag_tree, *srr_flag_tree, *proc_flag_tree, *cos_flag_tree;
|
|
static int * const pri_flags[] = {
|
|
&hf_bundle_procflags_fragment,
|
|
&hf_bundle_procflags_admin,
|
|
&hf_bundle_procflags_dont_fragment,
|
|
&hf_bundle_procflags_cust_xfer_req,
|
|
&hf_bundle_procflags_dest_singleton,
|
|
&hf_bundle_procflags_application_ack,
|
|
NULL
|
|
};
|
|
|
|
static int * const srr_flags[] = {
|
|
&hf_bundle_srrflags_report_receipt,
|
|
&hf_bundle_srrflags_report_cust_accept,
|
|
&hf_bundle_srrflags_report_forward,
|
|
&hf_bundle_srrflags_report_delivery,
|
|
&hf_bundle_srrflags_report_deletion,
|
|
NULL
|
|
};
|
|
|
|
bundle_processing_control_flags = evaluate_sdnv_64(tvb, offset, &sdnv_length);
|
|
|
|
/* Primary Header Processing Flags */
|
|
*pri_hdr_procflags = (guint8) (bundle_processing_control_flags & 0x7f);
|
|
|
|
if (sdnv_length < 1 || sdnv_length > 8) {
|
|
expert_add_info_format(pinfo, primary_tree, &ei_bundle_control_flags_length,
|
|
"Wrong bundle control flag length: %d", sdnv_length);
|
|
return 0;
|
|
}
|
|
ti = proto_tree_add_item(primary_tree, hf_bundle_control_flags, tvb,
|
|
offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proc_flag_tree = proto_item_add_subtree(ti, ett_proc_flags);
|
|
|
|
ti = proto_tree_add_uint(proc_flag_tree, hf_bundle_procflags_general, tvb, offset,
|
|
sdnv_length, *pri_hdr_procflags);
|
|
gen_flag_tree = proto_item_add_subtree(ti, ett_gen_flags);
|
|
|
|
/* With the variability of sdnv_length, proto_tree_add_bitmask_value
|
|
can't be used */
|
|
|
|
proto_tree_add_bitmask_list_value(gen_flag_tree, tvb, offset, sdnv_length, pri_flags, *pri_hdr_procflags);
|
|
|
|
/* Primary Header COS Flags */
|
|
cosflags = (guint8) ((bundle_processing_control_flags >> 7) & 0x7f);
|
|
ti = proto_tree_add_uint(proc_flag_tree, hf_bundle_procflags_cos, tvb, offset,
|
|
sdnv_length, cosflags);
|
|
cos_flag_tree = proto_item_add_subtree(ti, ett_cos_flags);
|
|
proto_tree_add_uint(cos_flag_tree, hf_bundle_cosflags_priority, tvb, offset,
|
|
sdnv_length, cosflags);
|
|
|
|
/* Status Report Request Flags */
|
|
srrflags = (guint8) ((bundle_processing_control_flags >> 14) & 0x7f);
|
|
ti = proto_tree_add_uint(proc_flag_tree, hf_bundle_procflags_status, tvb, offset,
|
|
sdnv_length, srrflags);
|
|
srr_flag_tree = proto_item_add_subtree(ti, ett_srr_flags);
|
|
|
|
proto_tree_add_bitmask_list_value(srr_flag_tree, tvb, offset, sdnv_length, srr_flags, srrflags);
|
|
offset += sdnv_length;
|
|
|
|
/* -- hdr_length -- */
|
|
bundle_header_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(primary_tree, hf_bundle_primary_header_len, tvb, offset, sdnv_length,
|
|
bundle_header_length);
|
|
if (bundle_header_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "Bundle Header Length Error");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
offset += sdnv_length;
|
|
|
|
/*
|
|
* Pick up offsets into dictionary (8 of them). Do rough sanity check that SDNV
|
|
* hasn't told us to access way past the Primary Header.
|
|
*/
|
|
|
|
/* Ensure all fields have been initialized */
|
|
memset(&dict_data, 0, sizeof(dict_data));
|
|
|
|
/* -- dest_scheme -- */
|
|
dict_data.dest_scheme_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.dst_scheme_pos = offset;
|
|
dict_data.dst_scheme_len = sdnv_length;
|
|
|
|
ti_dst_scheme_offset = proto_tree_add_int(primary_tree, hf_bundle_dest_scheme_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.dest_scheme_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- dest_ssp -- */
|
|
dict_data.dest_ssp_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.dst_ssp_len = sdnv_length;
|
|
dst_ssp = dict_data.dest_ssp_offset;
|
|
|
|
ti_dst_ssp_offset = proto_tree_add_int(primary_tree, hf_bundle_dest_ssp_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.dest_ssp_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- source_scheme -- */
|
|
dict_data.source_scheme_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.src_scheme_pos = offset;
|
|
dict_data.src_scheme_len = sdnv_length;
|
|
|
|
ti_src_scheme_offset = proto_tree_add_int(primary_tree, hf_bundle_source_scheme_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.source_scheme_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- source_ssp -- */
|
|
dict_data.source_ssp_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.src_ssp_len = sdnv_length;
|
|
src_ssp = dict_data.source_ssp_offset;
|
|
|
|
ti_src_ssp_offset = proto_tree_add_int(primary_tree, hf_bundle_source_ssp_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.source_ssp_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- report_scheme -- */
|
|
dict_data.report_scheme_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.rpt_scheme_pos = offset;
|
|
dict_data.rpt_scheme_len = sdnv_length;
|
|
|
|
ti_rprt_scheme_offset = proto_tree_add_int(primary_tree, hf_bundle_report_scheme_offset_i32, tvb, offset,
|
|
sdnv_length, dict_data.report_scheme_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- report_ssp -- */
|
|
dict_data.report_ssp_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.rpt_ssp_len = sdnv_length;
|
|
|
|
ti_rprt_ssp_offset = proto_tree_add_int(primary_tree, hf_bundle_report_ssp_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.report_ssp_offset);
|
|
offset += sdnv_length;
|
|
|
|
|
|
/* -- cust_scheme -- */
|
|
dict_data.cust_scheme_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.cust_scheme_pos = offset;
|
|
dict_data.cust_scheme_len = sdnv_length;
|
|
|
|
ti_cust_scheme_offset = proto_tree_add_int(primary_tree, hf_bundle_cust_scheme_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.cust_scheme_offset);
|
|
offset += sdnv_length;
|
|
|
|
/* -- cust_ssp -- */
|
|
dict_data.cust_ssp_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
dict_data.cust_ssp_len = sdnv_length;
|
|
|
|
ti_cust_ssp_offset = proto_tree_add_int(primary_tree, hf_bundle_cust_ssp_offset_i32, tvb, offset, sdnv_length,
|
|
dict_data.cust_ssp_offset);
|
|
offset += sdnv_length;
|
|
|
|
|
|
creation_timestamp = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
sdnv_length = add_sdnv_time_to_tree(primary_tree, tvb, offset, hf_bundle_primary_timestamp);
|
|
if (sdnv_length == 0)
|
|
return 0;
|
|
|
|
offset += sdnv_length;
|
|
|
|
/* -- timestamp_sequence -- */
|
|
timestamp_sequence = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (timestamp_sequence < 0) {
|
|
gint64 ts_seq = evaluate_sdnv_64(tvb, offset, &sdnv_length);
|
|
|
|
ti = proto_tree_add_int64(primary_tree, hf_bundle_primary_timestamp_seq_num64,
|
|
tvb, offset, sdnv_length, ts_seq);
|
|
if (ts_seq < 0) {
|
|
expert_add_info(pinfo, ti, &ei_bundle_timestamp_seq_num);
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_int(primary_tree, hf_bundle_primary_timestamp_seq_num32,
|
|
tvb, offset, sdnv_length, timestamp_sequence);
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
/* -- lifetime -- */
|
|
sdnv_length = add_sdnv_to_tree(primary_tree, tvb, pinfo, offset, hf_bundle_lifetime_sdnv);
|
|
offset += sdnv_length;
|
|
|
|
/* -- dict_length -- */
|
|
dict_data.bundle_header_dict_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(primary_tree, hf_bundle_primary_dictionary_len, tvb, offset, sdnv_length,
|
|
dict_data.bundle_header_dict_length);
|
|
if (dict_data.bundle_header_dict_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "Dictionary Header Length Error");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
if ((dict_data.dest_scheme_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.dest_scheme_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_dst_scheme_offset, &ei_bundle_offset_error, "Destination Scheme Offset Error");
|
|
}
|
|
if ((dict_data.dest_ssp_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.dest_ssp_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_dst_ssp_offset, &ei_bundle_offset_error, "Destination SSP Offset Error");
|
|
}
|
|
if ((dict_data.source_scheme_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.source_scheme_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_src_scheme_offset, &ei_bundle_offset_error, "Source Scheme Offset Error");
|
|
}
|
|
if ((dict_data.source_ssp_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.source_ssp_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_src_ssp_offset, &ei_bundle_offset_error, "Source SSP Offset Error");
|
|
}
|
|
if ((dict_data.report_scheme_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.report_scheme_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_rprt_scheme_offset, &ei_bundle_offset_error, "Report Scheme Offset Error");
|
|
}
|
|
if ((dict_data.report_ssp_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.report_ssp_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_rprt_ssp_offset, &ei_bundle_offset_error, "Report SSP Offset Error");
|
|
}
|
|
if ((dict_data.cust_scheme_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.cust_scheme_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_cust_scheme_offset, &ei_bundle_offset_error, "Custodian Scheme Offset Error");
|
|
}
|
|
if ((dict_data.cust_ssp_offset < 0) ||
|
|
(dict_data.bundle_header_dict_length > 0 && (dict_data.cust_ssp_offset > bundle_header_length))) {
|
|
expert_add_info_format(pinfo, ti_cust_ssp_offset, &ei_bundle_offset_error, "Custodian SSP Offset Error");
|
|
}
|
|
|
|
offset = dissect_dictionary(pinfo, primary_tree, tvb, offset, &dict_data, *pri_hdr_procflags, bundle_custodian,
|
|
creation_timestamp, timestamp_sequence);
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* offset is where the header starts.
|
|
* Return new offset, and set lastheader if failure.
|
|
*/
|
|
static int
|
|
dissect_payload_header(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, guint8 version,
|
|
guint8 pri_hdr_procflags, gboolean *lastheader)
|
|
{
|
|
proto_item *payload_block, *payload_item, *ti;
|
|
proto_tree *payload_block_tree, *payload_tree;
|
|
int sdnv_length, payload_length;
|
|
|
|
payload_block_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_payload_hdr, &payload_block, "Payload Block");
|
|
|
|
payload_tree = proto_tree_add_subtree(payload_block_tree, tvb, offset, -1, ett_payload_hdr, &payload_item, "Payload Header");
|
|
|
|
proto_tree_add_uint(payload_tree, hf_bundle_payload_header_type, tvb, offset, 1, 1);
|
|
++offset;
|
|
|
|
/* Add tree for processing flags */
|
|
/* This is really a SDNV but there are only 7 bits defined so leave it this way*/
|
|
|
|
if (version == 4) {
|
|
static int * const flags[] = {
|
|
&hf_bundle_payload_flags_replicate_hdr,
|
|
&hf_bundle_payload_flags_xmit_report,
|
|
&hf_bundle_payload_flags_discard_on_fail,
|
|
&hf_bundle_payload_flags_last_header,
|
|
NULL
|
|
};
|
|
guint8 procflags;
|
|
|
|
procflags = tvb_get_guint8(tvb, offset);
|
|
if (procflags & HEADER_PROCFLAGS_LAST_HEADER) {
|
|
*lastheader = TRUE;
|
|
}
|
|
else {
|
|
*lastheader = FALSE;
|
|
}
|
|
proto_tree_add_bitmask(payload_tree, tvb, offset, hf_bundle_payload_flags,
|
|
ett_payload_flags, flags, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
}
|
|
else { /*Bundle Protocol Version 5*/
|
|
int control_flags;
|
|
proto_item *block_flag_item;
|
|
proto_tree *block_flag_tree;
|
|
|
|
control_flags = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (control_flags & BLOCK_CONTROL_LAST_BLOCK) {
|
|
*lastheader = TRUE;
|
|
}
|
|
else {
|
|
*lastheader = FALSE;
|
|
}
|
|
block_flag_item = proto_tree_add_item(payload_tree, hf_block_control_flags, tvb,
|
|
offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
block_flag_tree = proto_item_add_subtree(block_flag_item, ett_block_flags);
|
|
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_replicate,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_transmit_status,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_delete_bundle,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_last_block,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_discard_block,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_not_processed,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(block_flag_tree, hf_block_control_eid_reference,
|
|
tvb, offset, sdnv_length, ENC_BIG_ENDIAN);
|
|
offset += sdnv_length;
|
|
}
|
|
|
|
payload_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(payload_tree, hf_bundle_payload_length, tvb, offset, sdnv_length, payload_length);
|
|
if (payload_length < 0) {
|
|
expert_add_info(pinfo, ti, &ei_bundle_payload_length);
|
|
/* Force quiting */
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
|
|
proto_item_set_len(payload_item, 2 + sdnv_length);
|
|
proto_item_set_len(payload_block, 2 + sdnv_length + payload_length);
|
|
|
|
offset += sdnv_length;
|
|
if (pri_hdr_procflags & BUNDLE_PROCFLAGS_ADMIN_MASK) {
|
|
gboolean success = FALSE;
|
|
|
|
/*
|
|
* XXXX - Have not allowed for admin record spanning multiple segments!
|
|
*/
|
|
|
|
offset = dissect_admin_record(payload_block_tree, tvb, pinfo, offset, payload_length, &success);
|
|
if (!success) {
|
|
/* Force quiting */
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
} else {
|
|
/* If Source SSP Offset is 64 and Destination SSP offset is 65, then
|
|
interpret the payload-data part as CFDP. */
|
|
if (src_ssp == 0x40 &&
|
|
dst_ssp == 0x41)
|
|
{
|
|
dissect_cfdp_as_subtree (tvb, pinfo, payload_block_tree, offset);
|
|
}
|
|
/* If Source SSP Offset is 5 and Destination SSP offset is 6, then
|
|
interpret the payload-data part as AMP. */
|
|
else if ((src_ssp == 0x5 && dst_ssp == 0x6) ||
|
|
(dst_ssp == 0x5 && src_ssp == 0x6))
|
|
{
|
|
dissect_amp_as_subtree (tvb, pinfo, payload_block_tree, offset);
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_string(payload_block_tree, hf_bundle_payload_data, tvb, offset, payload_length,
|
|
wmem_strdup_printf(pinfo->pool, "<%d bytes>",payload_length));
|
|
}
|
|
|
|
offset += payload_length;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* Return the offset after the Administrative Record or set success = FALSE if analysis fails.
|
|
*/
|
|
static int
|
|
dissect_admin_record(proto_tree *primary_tree, tvbuff_t *tvb, packet_info *pinfo,
|
|
int offset, int payload_length, gboolean* success)
|
|
{
|
|
proto_item *admin_record_item;
|
|
proto_tree *admin_record_tree;
|
|
proto_item *timestamp_sequence_item;
|
|
guint8 record_type;
|
|
guint8 status;
|
|
int start_offset = offset;
|
|
int sdnv_length;
|
|
int timestamp_sequence;
|
|
int endpoint_length;
|
|
|
|
*success = FALSE;
|
|
admin_record_tree = proto_tree_add_subtree(primary_tree, tvb, offset, -1,
|
|
ett_admin_record, &admin_record_item, "Administrative Record");
|
|
record_type = tvb_get_guint8(tvb, offset);
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_record_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
switch ((record_type >> 4) & 0xf)
|
|
{
|
|
case ADMIN_REC_TYPE_STATUS_REPORT:
|
|
{
|
|
proto_item *status_flag_item;
|
|
proto_tree *status_flag_tree;
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_record_fragment, tvb, offset, 1, ENC_NA);
|
|
++offset;
|
|
|
|
/* Decode Bundle Status Report Flags */
|
|
status = tvb_get_guint8(tvb, offset);
|
|
status_flag_item = proto_tree_add_item(admin_record_tree,
|
|
hf_bundle_admin_statflags, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
status_flag_tree = proto_item_add_subtree(status_flag_item,
|
|
ett_admin_rec_status);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_rcvd,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_accepted,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_forwarded,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_delivered,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_deleted,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(status_flag_tree, hf_bundle_admin_acked,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_status_report_reason_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
|
|
if (record_type & ADMIN_REC_FLAGS_FRAGMENT) {
|
|
sdnv_length = add_sdnv_to_tree(admin_record_tree, tvb, pinfo, offset, hf_bundle_admin_fragment_offset);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
sdnv_length = add_sdnv_to_tree(admin_record_tree, tvb, pinfo, offset, hf_bundle_admin_fragment_length);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_RECEIVED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_receipt_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_ACCEPTED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_accept_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_FORWARDED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_forward_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_DELIVERED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_delivery_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_DELETED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_delete_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
if (status & ADMIN_STATUS_FLAGS_ACKNOWLEDGED) {
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_ack_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
|
|
/* Get 2 SDNVs for Creation Timestamp */
|
|
sdnv_length = add_sdnv_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_timestamp_copy);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
timestamp_sequence = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (timestamp_sequence < 0) {
|
|
gint64 ts_seq = evaluate_sdnv_64(tvb, offset, &sdnv_length);
|
|
|
|
timestamp_sequence_item = proto_tree_add_int64(admin_record_tree, hf_bundle_admin_timestamp_seq_num64,
|
|
tvb, offset, sdnv_length, ts_seq);
|
|
if (ts_seq < 0) {
|
|
expert_add_info(pinfo, timestamp_sequence_item, &ei_bundle_timestamp_seq_num);
|
|
return offset;
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_int(admin_record_tree, hf_bundle_admin_timestamp_seq_num32,
|
|
tvb, offset, sdnv_length, timestamp_sequence);
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
endpoint_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (endpoint_length < 0) {
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
proto_tree_add_int(admin_record_tree, hf_bundle_admin_endpoint_length, tvb, offset, sdnv_length, endpoint_length);
|
|
offset += sdnv_length;
|
|
|
|
/*
|
|
* Endpoint name may not be null terminated. This routine is supposed
|
|
* to add the null at the end of the string buffer.
|
|
*/
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_endpoint_id, tvb, offset, endpoint_length, ENC_NA|ENC_ASCII);
|
|
offset += endpoint_length;
|
|
|
|
break;
|
|
} /* case ADMIN_REC_TYPE_STATUS_REPORT */
|
|
case ADMIN_REC_TYPE_CUSTODY_SIGNAL:
|
|
{
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_record_fragment, tvb, offset, 1, ENC_NA);
|
|
++offset;
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_custody_trf_succ_flg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_custody_signal_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
|
|
if (record_type & ADMIN_REC_FLAGS_FRAGMENT) {
|
|
sdnv_length = add_sdnv_to_tree(admin_record_tree, tvb, pinfo, offset, hf_bundle_admin_fragment_offset);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
sdnv_length = add_sdnv_to_tree(admin_record_tree, tvb, pinfo, offset, hf_bundle_admin_fragment_length);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
|
|
/* Signal Time */
|
|
sdnv_length = add_dtn_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_signal_time);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
/* Timestamp copy */
|
|
sdnv_length = add_sdnv_time_to_tree(admin_record_tree, tvb, offset, hf_bundle_admin_timestamp_copy);
|
|
if (sdnv_length <= 0) {
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
timestamp_sequence = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (timestamp_sequence < 0) {
|
|
gint64 ts_seq = evaluate_sdnv_64(tvb, offset, &sdnv_length);
|
|
|
|
timestamp_sequence_item = proto_tree_add_int64(admin_record_tree, hf_bundle_admin_timestamp_seq_num64,
|
|
tvb, offset, sdnv_length, ts_seq);
|
|
if (ts_seq < 0) {
|
|
expert_add_info(pinfo, timestamp_sequence_item, &ei_bundle_timestamp_seq_num);
|
|
return offset;
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_int(admin_record_tree, hf_bundle_admin_timestamp_seq_num32,
|
|
tvb, offset, sdnv_length, timestamp_sequence);
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
endpoint_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (endpoint_length < 0) {
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
proto_tree_add_int(admin_record_tree, hf_bundle_admin_endpoint_length, tvb, offset, sdnv_length, endpoint_length);
|
|
offset += sdnv_length;
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_endpoint_id, tvb, offset, endpoint_length, ENC_NA|ENC_ASCII);
|
|
offset += endpoint_length;
|
|
break;
|
|
} /* case ADMIN_REC_TYPE_CUSTODY_SIGNAL */
|
|
case ADMIN_REC_TYPE_AGGREGATE_CUSTODY_SIGNAL:
|
|
{
|
|
proto_item *ti;
|
|
int payload_bytes_processed = 0;
|
|
int right_edge = -1;
|
|
int fill_start;
|
|
int fill_length = -1;
|
|
int sdnv_length_start = -1;
|
|
int sdnv_length_gap = -1;
|
|
int sdnv_length_length = -1;
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_admin_record_fragment, tvb, offset, 1, ENC_NA);
|
|
++offset;
|
|
++payload_bytes_processed;
|
|
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_custody_trf_succ_flg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(admin_record_tree, hf_bundle_custody_signal_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
++payload_bytes_processed;
|
|
|
|
/* process the first fill */
|
|
fill_start = evaluate_sdnv(tvb, offset, &sdnv_length_start);
|
|
ti = proto_tree_add_int(admin_record_tree, hf_bundle_custody_id_range_start, tvb, offset, sdnv_length_start, fill_start);
|
|
if (fill_start < 0 || sdnv_length_start < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "ACS: Unable to process CTEB Custody ID Range start SDNV");
|
|
return offset;
|
|
}
|
|
fill_length = evaluate_sdnv(tvb, offset + sdnv_length_start, &sdnv_length_length);
|
|
ti = proto_tree_add_int(admin_record_tree, hf_bundle_custody_id_range_end, tvb, offset,
|
|
sdnv_length_start + sdnv_length_length, fill_start + fill_length - 1);
|
|
if (fill_length < 0 || sdnv_length_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "ACS: Unable to process CTEB Custody ID Range length SDNV");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
right_edge = fill_start + fill_length;
|
|
offset += sdnv_length_start + sdnv_length_length;
|
|
payload_bytes_processed += sdnv_length_start + sdnv_length_length;
|
|
|
|
/* now attempt to consume all the rest of the data in the
|
|
* payload as additional fills */
|
|
while (payload_bytes_processed < payload_length) {
|
|
int fill_gap;
|
|
fill_gap = evaluate_sdnv(tvb, offset, &sdnv_length_gap);
|
|
ti = proto_tree_add_int(admin_record_tree, hf_bundle_custody_id_range_start, tvb, offset, sdnv_length_gap, fill_gap);
|
|
if (fill_gap < 0 || sdnv_length_gap < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "ACS: Unable to process CTEB Custody ID Range gap SDNV");
|
|
return offset;
|
|
}
|
|
fill_length = evaluate_sdnv(tvb, offset + sdnv_length_gap, &sdnv_length_length);
|
|
ti = proto_tree_add_int(admin_record_tree, hf_bundle_custody_id_range_end, tvb, offset,
|
|
sdnv_length_gap + sdnv_length_length, right_edge + fill_gap + fill_length - 1);
|
|
if (fill_length < 0 || sdnv_length_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "ACS: Unable to process CTEB Custody ID Range length SDNV");
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
right_edge += fill_gap + fill_length;
|
|
offset += sdnv_length_gap + sdnv_length_length;
|
|
payload_bytes_processed += sdnv_length_gap + sdnv_length_length;
|
|
}
|
|
|
|
if (payload_bytes_processed > payload_length) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_offset_error, "ACS: CTEB Custody ID Range data extends past payload length");
|
|
return offset;
|
|
}
|
|
|
|
break;
|
|
} /* case ADMIN_REC_TYPE_AGGREGATE_CUSTODY_SIGNAL */
|
|
case ADMIN_REC_TYPE_ANNOUNCE_BUNDLE:
|
|
default:
|
|
offset++;
|
|
break;
|
|
} /* End Switch */
|
|
|
|
proto_item_set_len(admin_record_item, offset - start_offset);
|
|
*success = TRUE;
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
display_extension_block(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, gchar *bundle_custodian, gboolean *lastheader)
|
|
{
|
|
proto_item *block_item, *ti, *block_flag_replicate_item, *block_flag_eid_reference_item;
|
|
proto_tree *block_tree;
|
|
int sdnv_length;
|
|
int block_length;
|
|
int block_overhead;
|
|
int bundle_age;
|
|
guint8 type;
|
|
unsigned int control_flags;
|
|
proto_tree *block_flag_tree;
|
|
proto_item *block_flag_item;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
block_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_metadata_hdr, &block_item, "Extension Block");
|
|
|
|
proto_tree_add_item(block_tree, hf_bundle_block_type_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
++offset;
|
|
block_overhead = 1;
|
|
|
|
control_flags = (unsigned int)evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
if (control_flags & BLOCK_CONTROL_LAST_BLOCK) {
|
|
*lastheader = TRUE;
|
|
} else {
|
|
*lastheader = FALSE;
|
|
}
|
|
block_flag_item = proto_tree_add_uint(block_tree, hf_block_control_flags_sdnv, tvb,
|
|
offset, sdnv_length, control_flags);
|
|
block_flag_tree = proto_item_add_subtree(block_flag_item, ett_block_flags);
|
|
block_flag_replicate_item = proto_tree_add_boolean(block_flag_tree, hf_block_control_replicate,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_control_transmit_status,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_control_delete_bundle,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_control_last_block,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_control_discard_block,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_control_not_processed,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
block_flag_eid_reference_item = proto_tree_add_boolean(block_flag_tree, hf_block_control_eid_reference,
|
|
tvb, offset, sdnv_length, control_flags);
|
|
offset += sdnv_length;
|
|
block_overhead += sdnv_length;
|
|
|
|
/* TODO: if this block has EID references, add them to display tree */
|
|
if (control_flags & BLOCK_CONTROL_EID_REFERENCE) {
|
|
int i;
|
|
int num_eid_ref;
|
|
|
|
num_eid_ref = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
offset += sdnv_length;
|
|
block_overhead += sdnv_length;
|
|
|
|
for (i = 0; i < num_eid_ref; i++)
|
|
{
|
|
if (evaluate_sdnv(tvb, offset, &sdnv_length) < 0)
|
|
break;
|
|
offset += sdnv_length;
|
|
block_overhead += sdnv_length;
|
|
|
|
if (evaluate_sdnv(tvb, offset, &sdnv_length) < 0)
|
|
break;
|
|
offset += sdnv_length;
|
|
block_overhead += sdnv_length;
|
|
}
|
|
}
|
|
|
|
block_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(block_tree, hf_block_control_block_length, tvb, offset, sdnv_length, block_length);
|
|
if (block_length < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_offset_error, "Metadata Block Length Error");
|
|
/* Force quitting */
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
block_overhead += sdnv_length;
|
|
|
|
/* now we have enough info to know total length of metadata block */
|
|
proto_item_set_len(block_item, block_overhead + block_length);
|
|
|
|
switch (type)
|
|
{
|
|
case BUNDLE_BLOCK_TYPE_AUTHENTICATION:
|
|
case BUNDLE_BLOCK_TYPE_METADATA_EXTENSION:
|
|
case BUNDLE_BLOCK_TYPE_EXTENSION_SECURITY:
|
|
{
|
|
proto_tree_add_string(block_tree, hf_bundle_unprocessed_block_data, tvb, offset, block_length, "Block data");
|
|
/* not yet dissected, skip past data */
|
|
offset += block_length;
|
|
break;
|
|
}
|
|
case BUNDLE_BLOCK_TYPE_BUNDLE_AGE:
|
|
{
|
|
bundle_age = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(block_tree, hf_bundle_age_extension_block_code, tvb, offset, sdnv_length, bundle_age/1000000);
|
|
offset += block_length;
|
|
break;
|
|
}
|
|
case BUNDLE_BLOCK_TYPE_PREVIOUS_HOP_INSERT:
|
|
{
|
|
int scheme_length;
|
|
|
|
proto_tree_add_item_ret_length(block_tree, hf_bundle_block_previous_hop_scheme, tvb, offset, 4, ENC_ASCII, &scheme_length);
|
|
offset += scheme_length;
|
|
proto_tree_add_item(block_tree, hf_bundle_block_previous_hop_eid, tvb, offset, block_length-scheme_length, ENC_ASCII);
|
|
if (block_length - scheme_length < 1) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_offset_error, "Metadata Block Length Error");
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
offset += block_length - scheme_length;
|
|
|
|
break;
|
|
}
|
|
case BUNDLE_BLOCK_TYPE_INTEGRITY:
|
|
case BUNDLE_BLOCK_TYPE_CONFIDENTIALITY:
|
|
{
|
|
int target_block_type;
|
|
int target_block_occurrence;
|
|
int ciphersuite_type;
|
|
unsigned int ciphersuite_flags;
|
|
|
|
target_block_type = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(block_tree, hf_bundle_target_block_type, tvb, offset, sdnv_length, target_block_type);
|
|
offset += sdnv_length;
|
|
|
|
target_block_occurrence = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(block_tree, hf_bundle_target_block_occurrence, tvb, offset, sdnv_length, target_block_occurrence);
|
|
offset += sdnv_length;
|
|
|
|
ciphersuite_type = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(block_tree, hf_bundle_ciphersuite_type, tvb, offset, sdnv_length, ciphersuite_type);
|
|
offset += sdnv_length;
|
|
|
|
ciphersuite_flags = (unsigned int)evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
block_flag_item = proto_tree_add_uint(block_tree, hf_bundle_ciphersuite_flags, tvb, offset, sdnv_length, ciphersuite_flags);
|
|
block_flag_tree = proto_item_add_subtree(block_flag_item, ett_block_flags);
|
|
proto_tree_add_boolean(block_flag_tree, hf_block_ciphersuite_params, tvb, offset, sdnv_length, ciphersuite_flags);
|
|
offset += sdnv_length;
|
|
|
|
int range_offset;
|
|
int range_length;
|
|
if (ciphersuite_flags & BLOCK_CIPHERSUITE_PARAMS) {
|
|
/* Decode cipher suite parameters */
|
|
int params_length;
|
|
int param_type;
|
|
int item_length;
|
|
proto_tree *param_tree;
|
|
expert_field *ei = NULL;
|
|
|
|
params_length = evaluate_sdnv_ei(tvb, offset, &sdnv_length, &ei);
|
|
if (ei) {
|
|
proto_tree_add_expert(block_tree, pinfo, ei, tvb, offset, -1);
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
param_tree = proto_tree_add_subtree(block_tree, tvb, offset, params_length+1, ett_sec_block_param_data, NULL, "Ciphersuite Parameters Data");
|
|
proto_tree_add_int(param_tree, hf_block_ciphersuite_params_length, tvb, offset, sdnv_length, params_length);
|
|
offset += sdnv_length;
|
|
|
|
for(int i = 0; i < params_length; i+=item_length+2)
|
|
{
|
|
param_type = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(param_tree, hf_block_ciphersuite_param_type, tvb, offset, sdnv_length, param_type);
|
|
offset += sdnv_length;
|
|
|
|
ei = NULL;
|
|
item_length = evaluate_sdnv_ei(tvb, offset, &sdnv_length, &ei);
|
|
proto_tree_add_int(param_tree, hf_block_ciphersuite_params_item_length, tvb, offset, sdnv_length, item_length);
|
|
if (ei) {
|
|
proto_tree_add_expert(param_tree, pinfo, ei, tvb, offset, -1);
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
|
|
offset += sdnv_length;
|
|
|
|
//display item data
|
|
switch (param_type)
|
|
{
|
|
case 1:
|
|
case 3:
|
|
case 5:
|
|
case 7:
|
|
case 8:
|
|
proto_tree_add_item(param_tree, hf_block_ciphersuite_param_data, tvb, offset, item_length, ENC_NA);
|
|
offset += item_length;
|
|
break;
|
|
case 4:
|
|
//pair of sdnvs offset and length
|
|
range_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(param_tree, hf_block_ciphersuite_range_offset, tvb, offset, sdnv_length, range_offset);
|
|
offset += sdnv_length;
|
|
|
|
range_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(param_tree, hf_block_ciphersuite_range_length, tvb, offset, sdnv_length, range_length);
|
|
offset += sdnv_length;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* Decode cipher suite results */
|
|
int result_length;
|
|
int result_type;
|
|
int result_item_length;
|
|
proto_tree *result_tree;
|
|
|
|
result_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
result_tree = proto_tree_add_subtree(block_tree, tvb, offset, result_length+1, ett_sec_block_param_data, NULL, "Security Results Data");
|
|
proto_tree_add_int(result_tree, hf_block_ciphersuite_result_length, tvb, offset, sdnv_length, result_length);
|
|
offset += sdnv_length;
|
|
|
|
for(int i = 0; i < result_length; i+=result_item_length+2)
|
|
{
|
|
result_type = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(result_tree, hf_block_ciphersuite_result_type, tvb, offset, sdnv_length, result_type);
|
|
offset += sdnv_length;
|
|
|
|
expert_field *ei = NULL;
|
|
result_item_length = evaluate_sdnv_ei(tvb, offset, &sdnv_length, &ei);
|
|
proto_tree_add_int(result_tree, hf_block_ciphersuite_result_item_length, tvb, offset, sdnv_length, result_item_length);
|
|
if (ei) {
|
|
proto_tree_add_expert(result_tree, pinfo, ei, tvb, offset, -1);
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
|
|
//display item data
|
|
switch (result_type)
|
|
{
|
|
case 1:
|
|
case 3:
|
|
case 5:
|
|
case 7:
|
|
case 8:
|
|
proto_tree_add_item(result_tree, hf_block_ciphersuite_result_data, tvb, offset, result_item_length, ENC_NA);
|
|
offset += result_item_length;
|
|
break;
|
|
case 4:
|
|
//pair of sdnvs offset and length
|
|
range_offset = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(result_tree, hf_block_ciphersuite_range_offset, tvb, offset, sdnv_length, range_offset);
|
|
offset += sdnv_length;
|
|
|
|
range_length = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(result_tree, hf_block_ciphersuite_range_length, tvb, offset, sdnv_length, range_length);
|
|
offset += sdnv_length;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
}
|
|
case BUNDLE_BLOCK_TYPE_CUSTODY_TRANSFER:
|
|
{
|
|
int custody_id;
|
|
const guint8 *cteb_creator_custodian_eid;
|
|
int cteb_creator_custodian_eid_length;
|
|
|
|
/* check requirements for Block Processing Control Flags */
|
|
if ((control_flags & BLOCK_CONTROL_REPLICATE) != 0) {
|
|
expert_add_info_format(pinfo, block_flag_replicate_item, &ei_bundle_block_control_flags, "ERROR: Replicate must be clear for CTEB");
|
|
}
|
|
if ((control_flags & BLOCK_CONTROL_EID_REFERENCE) != 0) {
|
|
expert_add_info_format(pinfo, block_flag_eid_reference_item, &ei_bundle_block_control_flags, "ERROR: EID-Reference must be clear for CTEB");
|
|
}
|
|
|
|
/* there are two elements in a CTEB, first is the custody ID */
|
|
custody_id = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
proto_tree_add_int(block_tree, hf_block_control_block_cteb_custody_id, tvb, offset, sdnv_length, custody_id);
|
|
offset += sdnv_length;
|
|
|
|
/* and second is the creator custodian EID */
|
|
if (block_length - sdnv_length < 1) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_offset_error, "Metadata Block Length Error");
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
cteb_creator_custodian_eid_length = block_length - sdnv_length;
|
|
ti = proto_tree_add_item_ret_string(block_tree, hf_block_control_block_cteb_creator_custodian_eid, tvb, offset,
|
|
cteb_creator_custodian_eid_length, ENC_ASCII, pinfo->pool, &cteb_creator_custodian_eid);
|
|
|
|
/* also check if CTEB is valid, i.e. custodians match */
|
|
if (bundle_custodian == NULL) {
|
|
expert_add_info_format(pinfo, ti, &ei_block_control_block_cteb_invalid,
|
|
"CTEB Is NOT Valid (Bundle Custodian NULL)");
|
|
}
|
|
else if (strlen(cteb_creator_custodian_eid) != strlen(bundle_custodian)) {
|
|
expert_add_info_format(pinfo, ti, &ei_block_control_block_cteb_invalid,
|
|
"CTEB Is NOT Valid (Bundle Custodian [%s] != CTEB Custodian [%s])",
|
|
bundle_custodian, cteb_creator_custodian_eid);
|
|
}
|
|
else if (memcmp(cteb_creator_custodian_eid, bundle_custodian, strlen(bundle_custodian)) != 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_block_control_block_cteb_invalid,
|
|
"CTEB Is NOT Valid (Bundle Custodian [%s] != CTEB Custodian [%s])",
|
|
bundle_custodian, cteb_creator_custodian_eid);
|
|
}
|
|
else {
|
|
expert_add_info(pinfo, ti, &ei_block_control_block_cteb_valid);
|
|
}
|
|
offset += cteb_creator_custodian_eid_length;
|
|
|
|
break;
|
|
}
|
|
case BUNDLE_BLOCK_TYPE_EXTENDED_COS:
|
|
{
|
|
int flags;
|
|
static int * const ecos_flags_fields[] = {
|
|
&hf_ecos_flags_critical,
|
|
&hf_ecos_flags_streaming,
|
|
&hf_ecos_flags_flowlabel,
|
|
&hf_ecos_flags_reliable,
|
|
NULL
|
|
};
|
|
|
|
/* check requirements for Block Processing Control Flags */
|
|
if ((control_flags & BLOCK_CONTROL_REPLICATE) == 0) {
|
|
expert_add_info_format(pinfo, block_flag_replicate_item, &ei_bundle_block_control_flags, "ERROR: Replicate must be set for ECOS");
|
|
}
|
|
if ((control_flags & BLOCK_CONTROL_EID_REFERENCE) != 0) {
|
|
expert_add_info_format(pinfo, block_flag_eid_reference_item, &ei_bundle_block_control_flags, "ERROR: EID-Reference must be clear for ECOS");
|
|
}
|
|
|
|
/* flags byte */
|
|
flags = (int)tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_bitmask(block_tree, tvb, offset, hf_ecos_flags, ett_block_flags, ecos_flags_fields, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* ordinal byte */
|
|
proto_tree_add_item(block_tree, hf_ecos_ordinal, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* optional flow label sdnv */
|
|
if ((flags & ECOS_FLAGS_FLOWLABEL) != 0) {
|
|
int flow_label;
|
|
flow_label = evaluate_sdnv(tvb, offset, &sdnv_length);
|
|
ti = proto_tree_add_int(block_tree, hf_ecos_flow_label, tvb, offset, sdnv_length, flow_label);
|
|
if (flow_label < 0) {
|
|
expert_add_info_format(pinfo, ti, &ei_bundle_sdnv_length, "ECOS Flow Label Error");
|
|
/* Force quitting */
|
|
*lastheader = TRUE;
|
|
return offset;
|
|
}
|
|
offset += sdnv_length;
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
proto_tree_add_string(block_tree, hf_bundle_unprocessed_block_data, tvb, offset, block_length, "Block data");
|
|
/* unknown bundle type, skip past data */
|
|
offset += block_length;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*3rd arg is number of bytes in field (returned)*/
|
|
static int
|
|
evaluate_sdnv(tvbuff_t *tvb, int offset, int *bytecount)
|
|
{
|
|
guint64 value = 0;
|
|
*bytecount = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &value, ENC_VARINT_SDNV);
|
|
|
|
if (*bytecount == 0) {
|
|
return -1;
|
|
}
|
|
if (value > G_MAXINT) {
|
|
ws_warning("evaluate_sdnv decoded a value too large to fit in an int, truncating");
|
|
return G_MAXINT;
|
|
}
|
|
return (int)value;
|
|
}
|
|
|
|
static int
|
|
evaluate_sdnv_ei(tvbuff_t *tvb, int offset, int *bytecount, expert_field **error) {
|
|
int value = evaluate_sdnv(tvb, offset, bytecount);
|
|
*error = (value < 0) ? &ei_bundle_sdnv_length : NULL;
|
|
return value;
|
|
}
|
|
|
|
/* Special Function to evaluate 64 bit SDNVs */
|
|
/*3rd arg is number of bytes in field (returned)*/
|
|
static gint64
|
|
evaluate_sdnv_64(tvbuff_t *tvb, int offset, int *bytecount)
|
|
{
|
|
guint64 val = 0;
|
|
*bytecount = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &val, ENC_VARINT_SDNV);
|
|
|
|
if (*bytecount == 0) {
|
|
return -1;
|
|
}
|
|
return val & G_MAXINT64;
|
|
}
|
|
|
|
static int
|
|
dissect_bpv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_item *ti, *ti_bundle_protocol;
|
|
proto_tree *bundle_tree, *primary_tree;
|
|
int primary_header_size;
|
|
gboolean lastheader = FALSE;
|
|
int offset = 0;
|
|
guint8 version, pri_hdr_procflags;
|
|
/* Custodian from Primary Block, used to validate CTEB */
|
|
gchar *bundle_custodian = NULL;
|
|
|
|
|
|
version = tvb_get_guint8(tvb, offset); /* Primary Header Version */
|
|
if ((version != 4) && (version != 5) && (version != 6)) {
|
|
return 0;
|
|
}
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Bundle");
|
|
/* Clear out stuff in the info column */
|
|
col_clear(pinfo->cinfo,COL_INFO);
|
|
|
|
ti_bundle_protocol = proto_tree_add_item(tree, proto_bundle, tvb, offset, -1, ENC_NA);
|
|
// identify parent proto version
|
|
proto_item_append_text(ti_bundle_protocol, " Version %d", version);
|
|
|
|
bundle_tree = proto_item_add_subtree(ti_bundle_protocol, ett_bundle);
|
|
|
|
primary_tree = proto_tree_add_subtree(bundle_tree, tvb, offset, -1, ett_primary_hdr, &ti, "Primary Bundle Header");
|
|
|
|
proto_tree_add_item(primary_tree, hf_bundle_pdu_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if (version == 4) {
|
|
primary_header_size = dissect_version_4_primary_header(pinfo, primary_tree, tvb,
|
|
&pri_hdr_procflags, &bundle_custodian);
|
|
}
|
|
else {
|
|
primary_header_size = dissect_version_5_and_6_primary_header(pinfo, primary_tree, tvb,
|
|
&pri_hdr_procflags, &bundle_custodian);
|
|
}
|
|
|
|
if (primary_header_size == 0) { /*Couldn't parse primary header*/
|
|
col_add_str(pinfo->cinfo, COL_INFO, "Protocol Error");
|
|
return(0); /*Give up*/
|
|
}
|
|
|
|
proto_item_set_len(ti, primary_header_size);
|
|
offset = primary_header_size;
|
|
|
|
/*
|
|
* Done with primary header; decode the remaining headers
|
|
*/
|
|
|
|
while (lastheader == FALSE) {
|
|
guint8 next_header_type;
|
|
|
|
next_header_type = tvb_get_guint8(tvb, offset);
|
|
if (next_header_type == BUNDLE_BLOCK_TYPE_PAYLOAD) {
|
|
|
|
/*
|
|
* Returns payload size or 0 if can't parse payload
|
|
*/
|
|
offset = dissect_payload_header(bundle_tree, tvb, pinfo, offset, version, pri_hdr_procflags, &lastheader);
|
|
}
|
|
else { /*Assume anything else is a Metadata Block*/
|
|
offset = display_extension_block(bundle_tree, tvb, pinfo, offset, bundle_custodian, &lastheader);
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(ti_bundle_protocol, offset);
|
|
|
|
return(offset);
|
|
}
|
|
|
|
/// Introspect the data to choose a dissector version
|
|
static int
|
|
dissect_bundle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
gint offset = 0;
|
|
|
|
{
|
|
// Primary Header Version octet
|
|
guint8 version = tvb_get_guint8(tvb, offset);
|
|
if ((version == 4) || (version == 5) || (version == 6)) {
|
|
return call_dissector(bpv6_handle, tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
wscbor_chunk_t *frame = wscbor_chunk_read(pinfo->pool, tvb, &offset);
|
|
if (frame->type_major == CBOR_TYPE_ARRAY) {
|
|
wscbor_chunk_t *primary = wscbor_chunk_read(pinfo->pool, tvb, &offset);
|
|
if (primary->type_major == CBOR_TYPE_ARRAY) {
|
|
wscbor_chunk_t *version = wscbor_chunk_read(pinfo->pool, tvb, &offset);
|
|
if (version->type_major == CBOR_TYPE_UINT) {
|
|
guint64 vers_val = version->head_value;
|
|
if (vers_val == 7) {
|
|
return call_dissector(bpv7_handle, tvb, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_bpv6(void)
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
{&hf_bundle_pdu_version,
|
|
{"Bundle Version", "bundle.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags,
|
|
{"Primary Header Processing Flags", "bundle.primary.proc.flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_fragment,
|
|
{"Bundle is a Fragment", "bundle.primary.proc.frag",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_FRAG_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_admin,
|
|
{"Administrative Record", "bundle.primary.proc.admin",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_ADMIN_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_dont_fragment,
|
|
{"Do Not Fragment Bundle", "bundle.primary.proc.dontfrag",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_DONTFRAG_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_cust_xfer_req,
|
|
{"Request Custody Transfer", "bundle.primary.proc.xferreq",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_XFERREQ_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_dest_singleton,
|
|
{"Destination is Singleton", "bundle.primary.proc.single",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_SINGLETON_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_application_ack,
|
|
{"Request Acknowledgement by Application", "bundle.primary.proc.ack",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_PROCFLAGS_APP_ACK_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_control_flags,
|
|
{"Bundle Processing Control Flags", "bundle.primary.processing.control.flag",
|
|
FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_general,
|
|
{"General Flags", "bundle.primary.proc.gen",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_cos,
|
|
{"Class of Service Flags", "bundle.primary.proc.cos",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_procflags_status,
|
|
{"Status Report Flags", "bundle.primary.proc.status",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cosflags,
|
|
{"Primary Header COS Flags", "bundle.primary.cos.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cosflags_priority,
|
|
{"Priority", "bundle.primary.cos.priority",
|
|
FT_UINT8, BASE_DEC, VALS(cosflags_priority_vals), BUNDLE_COSFLAGS_PRIORITY_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags,
|
|
{"Primary Header Report Request Flags", "bundle.primary.srr.flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_receipt,
|
|
{"Request Reception Report", "bundle.primary.srr.report",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_REPORT_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_cust_accept,
|
|
{"Request Report of Custody Acceptance", "bundle.primary.srr.custaccept",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_CUSTODY_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_forward,
|
|
{"Request Report of Bundle Forwarding", "bundle.primary.srr.forward",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_FORWARD_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_delivery,
|
|
{"Request Report of Bundle Delivery", "bundle.primary.srr.delivery",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_DELIVERY_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_deletion,
|
|
{"Request Report of Bundle Deletion", "bundle.primary.srr.delete",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_DELETION_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_srrflags_report_ack,
|
|
{"Request Report of Application Ack", "bundle.primary.srr.ack",
|
|
FT_BOOLEAN, 8, NULL, BUNDLE_SRRFLAGS_ACK_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_header_len,
|
|
{"Bundle Header Length", "bundle.primary.len",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_dictionary_len,
|
|
{"Dictionary Length", "bundle.primary.dictionary_len",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_fragment_offset,
|
|
{"Fragment Offset", "bundle.primary.fragment_offset",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_total_adu_len,
|
|
{"Total Application Data Unit Length", "bundle.primary.total_adu_len",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_timestamp_seq_num64,
|
|
{"Timestamp Sequence Number", "bundle.primary.timestamp_seq_num64",
|
|
FT_INT64, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_timestamp_seq_num32,
|
|
{"Timestamp Sequence Number", "bundle.primary.timestamp_seq_num32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_primary_timestamp,
|
|
{"Timestamp", "bundle.primary.timestamp",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_scheme_offset_u16,
|
|
{"Destination Scheme Offset", "bundle.primary.destschemeoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_scheme_offset_i32,
|
|
{"Destination Scheme Offset", "bundle.primary.destschemeoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_ssp_offset_u16,
|
|
{"Destination SSP Offset", "bundle.primary.destssspoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_ssp_offset_i32,
|
|
{"Destination SSP Offset", "bundle.primary.destssspoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_scheme_offset_u16,
|
|
{"Source Scheme Offset", "bundle.primary.srcschemeoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_scheme_offset_i32,
|
|
{"Source Scheme Offset", "bundle.primary.srcschemeoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_ssp_offset_u16,
|
|
{"Source SSP Offset", "bundle.primary.srcsspoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_ssp_offset_i32,
|
|
{"Source SSP Offset", "bundle.primary.srcsspoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_scheme_offset_u16,
|
|
{"Report Scheme Offset", "bundle.primary.rptschemeoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_scheme_offset_i32,
|
|
{"Report Scheme Offset", "bundle.primary.rptschemeoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_ssp_offset_u16,
|
|
{"Report SSP Offset", "bundle.primary.rptsspoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_ssp_offset_i32,
|
|
{"Report SSP Offset", "bundle.primary.rptsspoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cust_scheme_offset_u16,
|
|
{"Custodian Scheme Offset", "bundle.primary.custschemeoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cust_scheme_offset_i32,
|
|
{"Custodian Scheme Offset", "bundle.primary.custschemeoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cust_ssp_offset_u16,
|
|
{"Custodian SSP Offset", "bundle.primary.custsspoffu16",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_cust_ssp_offset_i32,
|
|
{"Custodian SSP Offset", "bundle.primary.custsspoffi32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_scheme,
|
|
{"Destination Scheme", "bundle.primary.destination_scheme",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_dest_ssp,
|
|
{"Destination", "bundle.primary.destination",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_scheme,
|
|
{"Source Scheme", "bundle.primary.source_scheme",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_source_ssp,
|
|
{"Source", "bundle.primary.source",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_scheme,
|
|
{"Report Scheme", "bundle.primary.report_scheme",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_report_ssp,
|
|
{"Report", "bundle.primary.report",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custodian_scheme,
|
|
{"Custodian Scheme", "bundle.primary.custodian_scheme",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custodian_ssp,
|
|
{"Custodian", "bundle.primary.custodian",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_creation_timestamp,
|
|
{"Creation Timestamp", "bundle.primary.creation_timestamp",
|
|
FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_lifetime,
|
|
{"Lifetime", "bundle.primary.lifetime",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_lifetime_sdnv,
|
|
{"Lifetime", "bundle.primary.lifetime_sdnv",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_length,
|
|
{"Payload Length", "bundle.payload.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_flags,
|
|
{"Payload Header Processing Flags", "bundle.payload.proc.flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_header_type,
|
|
{"Header Type", "bundle.payload.proc.header_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_data,
|
|
{"Payload Data", "bundle.payload.data",
|
|
FT_STRINGZPAD, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_flags_replicate_hdr,
|
|
{"Replicate Header in Every Fragment", "bundle.payload.proc.replicate",
|
|
FT_BOOLEAN, 8, NULL, PAYLOAD_PROCFLAGS_REPLICATE_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_flags_xmit_report,
|
|
{"Report if Can't Process Header", "bundle.payload.proc.report",
|
|
FT_BOOLEAN, 8, NULL, PAYLOAD_PROCFLAGS_XMIT_STATUS, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_flags_discard_on_fail,
|
|
{"Discard if Can't Process Header", "bundle.payload.proc.discard",
|
|
FT_BOOLEAN, 8, NULL, PAYLOAD_PROCFLAGS_DISCARD_FAILURE, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_payload_flags_last_header,
|
|
{"Last Header", "bundle.payload.proc.lastheader",
|
|
FT_BOOLEAN, 8, NULL, PAYLOAD_PROCFLAGS_LAST_HEADER, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_record_type,
|
|
{"Administrative Record Type", "bundle.admin.record_type",
|
|
FT_UINT8, BASE_DEC, VALS(admin_record_type_vals), 0xF0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_record_fragment,
|
|
{"Administrative Record for Fragment", "bundle.admin.record_fragment",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), ADMIN_REC_FLAGS_FRAGMENT, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_statflags,
|
|
{"Administrative Record Status Flags", "bundle.admin.status.flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_rcvd,
|
|
{"Reporting Node Received Bundle", "bundle.admin.status.rcvd",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_RECEIVED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_accepted,
|
|
{"Reporting Node Accepted Custody", "bundle.admin.status.accept",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_ACCEPTED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_forwarded,
|
|
{"Reporting Node Forwarded Bundle", "bundle.admin.status.forward",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_FORWARDED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_delivered,
|
|
{"Reporting Node Delivered Bundle", "bundle.admin.status.delivered",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_DELIVERED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_deleted,
|
|
{"Reporting Node Deleted Bundle", "bundle.admin.status.delete",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_DELETED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_acked,
|
|
{"Acknowledged by Application", "bundle.admin.status.ack",
|
|
FT_BOOLEAN, 8, NULL, ADMIN_STATUS_FLAGS_ACKNOWLEDGED, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_fragment_offset,
|
|
{"Fragment Offset", "bundle.admin.fragment_offset",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_fragment_length,
|
|
{"Fragment Length", "bundle.admin.fragment_length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_timestamp_seq_num64,
|
|
{"Timestamp Sequence Number", "bundle.admin.timestamp_seq_num64",
|
|
FT_INT64, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_timestamp_seq_num32,
|
|
{"Timestamp Sequence Number", "bundle.admin.timestamp_seq_num32",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_endpoint_length,
|
|
{"Endpoint Length", "bundle.admin.endpoint_length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_endpoint_id,
|
|
{"Bundle Endpoint ID", "bundle.admin.endpoint_id",
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_receipt_time,
|
|
{"Bundle Received Time", "bundle.admin.status.receipttime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_accept_time,
|
|
{"Bundle Accepted Time", "bundle.admin.status.accepttime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_forward_time,
|
|
{"Bundle Forwarded Time", "bundle.admin.status.forwardtime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_delivery_time,
|
|
{"Bundle Delivered Time", "bundle.admin.status.deliverytime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_delete_time,
|
|
{"Bundle Deleted Time", "bundle.admin.status.deletetime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_ack_time,
|
|
{"Bundle Acknowledged Time", "bundle.admin.status.acktime",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_timestamp_copy,
|
|
{"Bundle Creation Timestamp", "bundle.admin.status.timecopy",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_admin_signal_time,
|
|
{"Bundle Signal Time", "bundle.admin.signal.time",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_flags,
|
|
{"Block Processing Control Flags", "bundle.block.control.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_flags_sdnv,
|
|
{"Block Processing Control Flags", "bundle.block.control.flags",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_block_length,
|
|
{"Block Length", "bundle.block.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_block_cteb_custody_id,
|
|
{"CTEB Custody ID", "bundle.block.cteb_custody_id",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_block_cteb_creator_custodian_eid,
|
|
{"CTEB Creator Custodian EID", "bundle.block.cteb_creator_custodian_eid",
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_replicate,
|
|
{"Replicate Block in Every Fragment", "bundle.block.control.replicate",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_REPLICATE, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_transmit_status,
|
|
{"Transmit Status if Block Can't be Processed", "bundle.block.control.status",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_TRANSMIT_STATUS, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_delete_bundle,
|
|
{"Delete Bundle if Block Can't be Processed", "bundle.block.control.delete",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_DELETE_BUNDLE, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_last_block,
|
|
{"Last Block", "bundle.block.control.last",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_LAST_BLOCK, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_discard_block,
|
|
{"Discard Block If Can't Process", "bundle.block.control.discard",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_DISCARD_BLOCK, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_not_processed,
|
|
{"Block Was Forwarded Without Processing", "bundle.block.control.process",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_NOT_PROCESSED, NULL, HFILL}
|
|
},
|
|
{&hf_block_control_eid_reference,
|
|
{"Block Contains an EID-reference Field", "bundle.block.control.eid",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CONTROL_EID_REFERENCE, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_status_report_reason_code,
|
|
{"Status Report Reason Code", "bundle.status_report_reason_code",
|
|
FT_UINT8, BASE_DEC, VALS(status_report_reason_codes), 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custody_trf_succ_flg,
|
|
{"Custody Transfer Succeeded Flag", "bundle.custody_trf_succ_flg",
|
|
FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custody_signal_reason,
|
|
{"Custody Signal Reason Code", "bundle.custody_signal_reason_code",
|
|
FT_UINT8, BASE_DEC, VALS(custody_signal_reason_codes), ADMIN_REC_CUSTODY_REASON_MASK, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custody_id_range_start,
|
|
{"CTEB Custody ID Range Start", "bundle.custody_id_range_start",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_custody_id_range_end,
|
|
{"CTEB Custody ID Range End", "bundle.custody_id_range_end",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_block_type_code,
|
|
{"Block Type Code", "bundle.block_type_code",
|
|
FT_UINT8, BASE_DEC, VALS(bundle_block_type_codes), 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_unprocessed_block_data,
|
|
{"Block Data", "bundle.block_data",
|
|
FT_STRINGZPAD, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flags,
|
|
{"ECOS Flags", "bundle.block.ecos.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flags_critical,
|
|
{"Critical", "bundle.block.ecos.flags.critical",
|
|
FT_BOOLEAN, 8, NULL, ECOS_FLAGS_CRITICAL, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flags_streaming,
|
|
{"Streaming", "bundle.block.ecos.flags.streaming",
|
|
FT_BOOLEAN, 8, NULL, ECOS_FLAGS_STREAMING, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flags_flowlabel,
|
|
{"Flow Label", "bundle.block.ecos.flags.flowlabel",
|
|
FT_BOOLEAN, 8, NULL, ECOS_FLAGS_FLOWLABEL, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flags_reliable,
|
|
{"Reliable", "bundle.block.ecos.flags.reliable",
|
|
FT_BOOLEAN, 8, NULL, ECOS_FLAGS_RELIABLE, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_flow_label,
|
|
{"ECOS Flow Label", "bundle.block.ecos.flow_label",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_ecos_ordinal,
|
|
{"ECOS Ordinal", "bundle.block.ecos.ordinal",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_age_extension_block_code,
|
|
{"Bundle Age in seconds", "bundle.age_extension_block_code",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_block_previous_hop_scheme,
|
|
{"Previous Hop Scheme", "bundle.block.previous_hop_scheme",
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_block_previous_hop_eid,
|
|
{"Previous Hop EID", "bundle.block.previous_hop_eid",
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_target_block_type,
|
|
{"Target Block Type", "bundle.target_block_type",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_target_block_occurrence,
|
|
{"Target Block Occurrence", "bundle.target_block_occurrence",
|
|
FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_ciphersuite_type,
|
|
{"Ciphersuite Type", "bundle.ciphersuite_type",
|
|
FT_INT32, BASE_DEC, VALS(ciphersuite_types), 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_bundle_ciphersuite_flags,
|
|
{"Ciphersuite Flags", "bundle.ciphersuite_flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_params,
|
|
{"Block Contains Ciphersuite Parameters", "bundle.block.ciphersuite_params",
|
|
FT_BOOLEAN, 8, NULL, BLOCK_CIPHERSUITE_PARAMS, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_params_length,
|
|
{"Ciphersuite Parameters Length", "bundle.block.ciphersuite_params_length",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_params_item_length,
|
|
{"Parameter Length", "bundle.block.ciphersuite_params_item_length",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_param_type,
|
|
{"Ciphersuite Parameter Type", "bundle.block.ciphersuite_param_type",
|
|
FT_INT8, BASE_DEC, VALS(res_params_types), 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_param_data,
|
|
{"Ciphersuite Parameter Data", "bundle.block.ciphersuite_param_data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_result_length,
|
|
{"Security Results Length", "bundle.block.ciphersuite_result_length",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_result_item_length,
|
|
{"Security Result Item Length", "bundle.block.ciphersuite_result_item_length",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_result_type,
|
|
{"Security Result Item Type", "bundle.block.ciphersuite_result_type",
|
|
FT_INT8, BASE_DEC, VALS(res_params_types), 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_result_data,
|
|
{"Security Result Item Data", "bundle.block.ciphersuite_result_data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_range_offset,
|
|
{"Content Range Offset", "bundle.block.ciphersuite_range_offset",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{&hf_block_ciphersuite_range_length,
|
|
{"Content Range Length", "bundle.block.ciphersuite_range_length",
|
|
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_bundle,
|
|
&ett_bundle_hdr,
|
|
&ett_primary_hdr,
|
|
&ett_proc_flags,
|
|
&ett_gen_flags,
|
|
&ett_cos_flags,
|
|
&ett_srr_flags,
|
|
&ett_dictionary,
|
|
&ett_payload_hdr,
|
|
&ett_payload_flags,
|
|
&ett_block_flags,
|
|
&ett_admin_record,
|
|
&ett_admin_rec_status,
|
|
&ett_metadata_hdr,
|
|
&ett_sec_block_param_data
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_bundle_control_flags_length,
|
|
{ "bundle.block.control.flags.length", PI_UNDECODED, PI_WARN, "Wrong bundle control flag length", EXPFILL }
|
|
},
|
|
{ &ei_bundle_payload_length,
|
|
{ "bundle.payload.length.invalid", PI_PROTOCOL, PI_ERROR, "Payload length error", EXPFILL }
|
|
},
|
|
{ &ei_bundle_sdnv_length,
|
|
{ "bundle.sdnv_length_invalid", PI_PROTOCOL, PI_ERROR, "SDNV length error", EXPFILL }
|
|
},
|
|
{ &ei_bundle_timestamp_seq_num,
|
|
{ "bundle.timestamp_seq_num_invalid", PI_PROTOCOL, PI_ERROR, "Timestamp Sequence Number error", EXPFILL }
|
|
},
|
|
{ &ei_bundle_offset_error,
|
|
{ "bundle.offset_error", PI_PROTOCOL, PI_WARN, "Offset field error", EXPFILL }
|
|
},
|
|
{ &ei_bundle_block_control_flags,
|
|
{ "bundle.block.control.flags.error", PI_PROTOCOL, PI_WARN, "Control flag error", EXPFILL }
|
|
},
|
|
{ &ei_block_control_block_cteb_invalid,
|
|
{ "bundle.block.control.cteb_invalid", PI_PROTOCOL, PI_WARN, "CTEB Is Invalid", EXPFILL }
|
|
},
|
|
{ &ei_block_control_block_cteb_valid,
|
|
{ "bundle.block.control.cteb_valid", PI_PROTOCOL, PI_NOTE, "CTEB Is Valid", EXPFILL }
|
|
},
|
|
};
|
|
|
|
expert_module_t *expert_bundle;
|
|
|
|
proto_bundle = proto_register_protocol("Bundle Protocol", "BP", "bundle");
|
|
bpv6_handle = register_dissector("bpv6", dissect_bpv6, proto_bundle);
|
|
bundle_handle = register_dissector("bundle", dissect_bundle, proto_bundle);
|
|
|
|
proto_register_field_array(proto_bundle, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_bundle = expert_register_protocol(proto_bundle);
|
|
expert_register_field_array(expert_bundle, ei, array_length(ei));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_bpv6(void)
|
|
{
|
|
bpv7_handle = find_dissector("bpv7");
|
|
|
|
dissector_add_uint_with_preference("udp.port", BUNDLE_PORT, bundle_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|