forked from osmocom/wireshark
![Ryan Doyle](/assets/img/avatar_default.png)
Includes support for a bug in the endian encoding in PCP v4.0.0 - v4.0.1 which was fixed in v4.0.2. Bug: 14630 Change-Id: I6861bfa07e6d359d32412fa874a67a9c6fcba086 Reviewed-on: https://code.wireshark.org/review/27159 Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2977 lines
104 KiB
C
2977 lines
104 KiB
C
/* packet-pcp.c
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* Routines for Performace Co-Pilot protocol dissection
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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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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <glib.h>
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#include "packet-tcp.h"
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#include "packet-ssl-utils.h"
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void proto_register_pcp(void);
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void proto_reg_handoff_pcp(void);
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#define PCP_PORT 44321
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#define PMPROXY_PORT 44322
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#define PCP_HEADER_LEN 12
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#define PM_ERR_NAME -12357
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static dissector_handle_t pcp_handle;
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static int proto_pcp = -1;
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static int hf_pcp_pdu_length = -1;
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static int hf_pcp_pdu_type = -1;
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static int hf_pcp_pdu_pid = -1;
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static int hf_pcp_pdu_error = -1;
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static int hf_pcp_pdu_padding = -1;
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static int hf_pcp_creds_number_of = -1;
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static int hf_pcp_creds_type = -1;
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static int hf_pcp_creds_version = -1;
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static int hf_pcp_start = -1;
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static int hf_pcp_start_status = -1;
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static int hf_pcp_start_zero = -1;
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static int hf_pcp_start_version = -1;
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static int hf_pcp_start_licensed = -1;
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static int hf_pcp_features_flags = -1;
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static int hf_pcp_features_flags_secure = -1;
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static int hf_pcp_features_flags_compress = -1;
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static int hf_pcp_features_flags_auth = -1;
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static int hf_pcp_features_flags_creds_reqd = -1;
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static int hf_pcp_features_flags_secure_ack = -1;
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static int hf_pcp_features_flags_no_nss_init = -1;
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static int hf_pcp_features_flags_container = -1;
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static int hf_pcp_features_flags_cert_reqd = -1;
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static int hf_pcp_features_flags_bad_label = -1;
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static int hf_pcp_features_flags_labels = -1;
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static int hf_pcp_pmns_traverse = -1;
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static int hf_pcp_pmns_subtype = -1;
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static int hf_pcp_pmns_namelen = -1;
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static int hf_pcp_pmns_name = -1;
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static int hf_pcp_pmns_names = -1;
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static int hf_pcp_pmns_names_nstrbytes = -1;
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static int hf_pcp_pmns_names_numstatus = -1;
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static int hf_pcp_pmns_names_numnames = -1;
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static int hf_pcp_pmns_names_nametree = -1;
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static int hf_pcp_pmns_names_nametree_status = -1;
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static int hf_pcp_pmns_names_nametree_namelen = -1;
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static int hf_pcp_pmns_names_nametree_name = -1;
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static int hf_pcp_pmns_ids = -1;
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static int hf_pcp_pmns_ids_status = -1;
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static int hf_pcp_pmns_ids_numids = -1;
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static int hf_pcp_pmns_child = -1;
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static int hf_pcp_pmid = -1;
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static int hf_pcp_pmid_flag = -1;
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static int hf_pcp_pmid_domain = -1;
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static int hf_pcp_pmid_cluster = -1;
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static int hf_pcp_pmid_item = -1;
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static int hf_pcp_pmid_type = -1;
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static int hf_pcp_pmid_sem = -1;
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static int hf_pcp_pmid_inst = -1;
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static int hf_pcp_profile = -1;
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static int hf_pcp_ctxnum = -1;
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static int hf_pcp_profile_g_state = -1;
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static int hf_pcp_profile_numprof = -1;
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static int hf_pcp_profile_profile = -1;
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static int hf_pcp_profile_profile_state = -1;
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static int hf_pcp_profile_profile_numinst = -1;
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static int hf_pcp_fetch = -1;
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static int hf_pcp_fetch_numpmid = -1;
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static int hf_pcp_when = -1;
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static int hf_pcp_when_sec = -1;
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static int hf_pcp_when_usec = -1;
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static int hf_pcp_desc = -1;
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static int hf_pcp_desc_req = -1;
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static int hf_pcp_units = -1;
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static int hf_pcp_units_dimspace = -1;
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static int hf_pcp_units_dimtime = -1;
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static int hf_pcp_units_dimcount = -1;
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static int hf_pcp_units_scalespace = -1;
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static int hf_pcp_units_scaletime = -1;
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static int hf_pcp_units_scalecount = -1;
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static int hf_pcp_instance = -1;
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static int hf_pcp_instance_req = -1;
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static int hf_pcp_instance_namelen = -1;
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static int hf_pcp_instance_name = -1;
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static int hf_pcp_instance_indom = -1;
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static int hf_pcp_instance_valoffset = -1;
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static int hf_pcp_instance_vallength = -1;
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static int hf_pcp_instance_value_insitu = -1;
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static int hf_pcp_instance_value_ptr = -1;
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static int hf_pcp_instance_value_int = -1;
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static int hf_pcp_instance_value_uint = -1;
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static int hf_pcp_instance_value_int64 = -1;
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static int hf_pcp_instance_value_uint64 = -1;
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static int hf_pcp_instance_value_float = -1;
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static int hf_pcp_instance_value_double = -1;
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static int hf_pcp_instance_value_aggr = -1;
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static int hf_pcp_instances = -1;
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static int hf_pcp_instances_numinst = -1;
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static int hf_pcp_results = -1;
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static int hf_pcp_results_numpmid = -1;
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static int hf_pcp_result = -1;
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static int hf_pcp_result_numval = -1;
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static int hf_pcp_result_valfmt = -1;
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static int hf_pcp_text_req = -1;
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static int hf_pcp_text_type = -1;
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static int hf_pcp_text_type_format = -1;
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static int hf_pcp_text_type_ident = -1;
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static int hf_pcp_text = -1;
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static int hf_pcp_text_ident = -1;
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static int hf_pcp_text_buflen = -1;
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static int hf_pcp_text_buffer = -1;
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static int hf_pcp_user_auth_payload = -1;
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static int hf_pcp_label_req = -1;
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static int hf_pcp_label = -1;
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static int hf_pcp_label_ident = -1;
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static int hf_pcp_label_type = -1;
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static int hf_pcp_label_padding = -1;
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static int hf_pcp_label_nsets = -1;
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static int hf_pcp_label_sets = -1;
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static int hf_pcp_label_sets_inst = -1;
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static int hf_pcp_label_sets_nlabels = -1;
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static int hf_pcp_label_sets_json = -1;
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static int hf_pcp_label_sets_jsonlen = -1;
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static int hf_pcp_label_sets_labels = -1;
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static int hf_pcp_label_sets_labels_nameoffset = -1;
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static int hf_pcp_label_sets_labels_namelen = -1;
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static int hf_pcp_label_sets_labels_flags = -1;
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static int hf_pcp_label_sets_labels_valueoffset = -1;
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static int hf_pcp_label_sets_labels_valuelen = -1;
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static int hf_pcp_label_sets_labels_name = -1;
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static int hf_pcp_label_sets_labels_value = -1;
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static gint ett_pcp = -1;
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static gint ett_pcp_pdu_length = -1;
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static gint ett_pcp_pdu_type = -1;
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static gint ett_pcp_pdu_pid = -1;
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static gint ett_pcp_pdu_error = -1;
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static gint ett_pcp_pdu_padding = -1;
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static gint ett_pcp_creds_number_of = -1;
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static gint ett_pcp_creds_type = -1;
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static gint ett_pcp_creds_vala = -1;
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static gint ett_pcp_creds_valb = -1;
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static gint ett_pcp_creds_valc = -1;
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static gint ett_pcp_start = -1;
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static gint ett_pcp_start_status = -1;
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static gint ett_pcp_start_zero = -1;
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static gint ett_pcp_start_version = -1;
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static gint ett_pcp_start_licensed = -1;
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static gint ett_pcp_start_features = -1;
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static gint ett_pcp_pmns_traverse = -1;
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static gint ett_pcp_pmns_subtype = -1;
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static gint ett_pcp_pmns_namelen = -1;
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static gint ett_pcp_pmns_name = -1;
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static gint ett_pcp_pmns_names = -1;
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static gint ett_pcp_pmns_names_nstrbytes = -1;
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static gint ett_pcp_pmns_names_numstatus = -1;
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static gint ett_pcp_pmns_names_numnames = -1;
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static gint ett_pcp_pmns_names_nametree = -1;
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static gint ett_pcp_pmns_names_nametree_status = -1;
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static gint ett_pcp_pmns_names_nametree_namelen = -1;
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static gint ett_pcp_pmns_names_nametree_name = -1;
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static gint ett_pcp_pmns_ids = -1;
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static gint ett_pcp_pmns_ids_status = -1;
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static gint ett_pcp_pmns_ids_numids = -1;
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static gint ett_pcp_pmns_child = -1;
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static gint ett_pcp_pmid = -1;
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static gint ett_pcp_pmid_flag = -1;
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static gint ett_pcp_pmid_domain = -1;
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static gint ett_pcp_pmid_cluster = -1;
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static gint ett_pcp_pmid_item = -1;
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static gint ett_pcp_pmid_type = -1;
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static gint ett_pcp_pmid_sem = -1;
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static gint ett_pcp_profile = -1;
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static gint ett_pcp_ctxnum = -1;
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static gint ett_pcp_profile_g_state = -1;
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static gint ett_pcp_profile_numprof = -1;
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static gint ett_pcp_profile_profile = -1;
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static gint ett_pcp_profile_profile_state = -1;
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static gint ett_pcp_profile_profile_numinst = -1;
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static gint ett_pcp_fetch = -1;
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static gint ett_pcp_fetch_numpmid = -1;
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static gint ett_pcp_when = -1;
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static gint ett_pcp_when_sec = -1;
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static gint ett_pcp_when_usec = -1;
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static gint ett_pcp_desc_req = -1;
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static gint ett_pcp_units = -1;
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static gint ett_pcp_units_dimspace = -1;
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static gint ett_pcp_units_dimtime = -1;
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static gint ett_pcp_units_dimcount = -1;
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static gint ett_pcp_units_scalespace = -1;
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static gint ett_pcp_units_scaletime = -1;
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static gint ett_pcp_units_scalecount = -1;
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static gint ett_pcp_instance = -1;
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static gint ett_pcp_instance_req = -1;
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static gint ett_pcp_instance_namelen = -1;
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static gint ett_pcp_instance_name = -1;
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static gint ett_pcp_instance_inst = -1;
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static gint ett_pcp_instance_indom = -1;
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static gint ett_pcp_instance_valoffset = -1;
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static gint ett_pcp_instance_vallength = -1;
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static gint ett_pcp_instance_value_insitu = -1;
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static gint ett_pcp_instance_value_ptr = -1;
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static gint ett_pcp_instance_value_int = -1;
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static gint ett_pcp_instance_value_uint = -1;
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static gint ett_pcp_instance_value_int64 = -1;
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static gint ett_pcp_instance_value_uint64 = -1;
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static gint ett_pcp_instance_value_float = -1;
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static gint ett_pcp_instance_value_double = -1;
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static gint ett_pcp_instance_value_aggr = -1;
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static gint ett_pcp_instances = -1;
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static gint ett_pcp_instances_numinst = -1;
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static gint ett_pcp_results = -1;
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static gint ett_pcp_results_numpmid = -1;
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static gint ett_pcp_result = -1;
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static gint ett_pcp_result_numval = -1;
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static gint ett_pcp_result_valfmt = -1;
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static gint ett_pcp_text_req = -1;
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static gint ett_pcp_text_type = -1;
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static gint ett_pcp_text_type_format = -1;
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static gint ett_pcp_text_type_ident = -1;
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static gint ett_pcp_text = -1;
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static gint ett_pcp_text_ident = -1;
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static gint ett_pcp_text_buflen = -1;
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static gint ett_pcp_text_buffer = -1;
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static expert_field ei_pcp_type_event_unimplemented = EI_INIT;
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static expert_field ei_pcp_type_nosupport_unsupported = EI_INIT;
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static expert_field ei_pcp_type_unknown_unknown_value = EI_INIT;
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static expert_field ei_pcp_unimplemented_value = EI_INIT;
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static expert_field ei_pcp_unimplemented_packet_type = EI_INIT;
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static expert_field ei_pcp_ssl_upgrade = EI_INIT;
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static expert_field ei_pcp_ssl_upgrade_failed = EI_INIT;
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static expert_field ei_pcp_label_error = EI_INIT;
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static expert_field ei_pcp_label_error_endianness = EI_INIT;
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/* Magic numbers */
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#define PCP_SECURE_ACK_SUCCESSFUL 0
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static const value_string pcp_feature_flags[] = {
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#define PCP_PDU_FLAG_SECURE 0x1
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{ PCP_PDU_FLAG_SECURE, "SECURE" },
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#define PCP_PDU_FLAG_COMPRESS 0x2
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{ PCP_PDU_FLAG_COMPRESS, "COMPRESS" },
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#define PCP_PDU_FLAG_AUTH 0x4
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{ PCP_PDU_FLAG_AUTH, "AUTH"},
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#define PCP_PDU_FLAG_CREDS_REQD 0x8
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{ PCP_PDU_FLAG_CREDS_REQD, "CREDS_REQD" },
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#define PCP_PDU_FLAG_SECURE_ACK 0x10
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{ PCP_PDU_FLAG_SECURE_ACK, "SECURE_ACK" },
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#define PCP_PDU_FLAG_NO_NSS_INIT 0x20
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{ PCP_PDU_FLAG_NO_NSS_INIT, "NO_NSS_INIT" },
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#define PCP_PDU_FLAG_CONTAINER 0x40
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{ PCP_PDU_FLAG_CONTAINER, "CONTAINER" },
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#define PCP_PDU_FLAG_CERT_REQD 0x80
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{ PCP_PDU_FLAG_CERT_REQD, "CERT_REQD" },
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#define PCP_PDU_FLAG_BAD_LABEL 0x100
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{ PCP_PDU_FLAG_BAD_LABEL, "BAD_LABEL" },
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#define PCP_PDU_FLAG_LABELS 0x200
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{ PCP_PDU_FLAG_LABELS, "LABELS" },
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{ 0, NULL }
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};
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/* packet types */
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static const value_string packettypenames[] = {
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#define PCP_PDU_START_OR_ERROR 0x7000
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{PCP_PDU_START_OR_ERROR, "START/ERROR" },
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#define PCP_PDU_RESULT 0x7001
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{PCP_PDU_RESULT, "RESULT" },
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#define PCP_PDU_PROFILE 0x7002
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{PCP_PDU_PROFILE, "PROFILE"},
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#define PCP_PDU_FETCH 0x7003
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{PCP_PDU_FETCH, "FETCH"},
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#define PCP_PDU_DESC_REQ 0x7004
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{PCP_PDU_DESC_REQ, "DESC_REQ"},
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#define PCP_PDU_DESC 0x7005
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{PCP_PDU_DESC, "DESC"},
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#define PCP_PDU_INSTANCE_REQ 0x7006
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{PCP_PDU_INSTANCE_REQ, "INSTANCE_REQ" },
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#define PCP_PDU_INSTANCE 0x7007
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{PCP_PDU_INSTANCE, "INSTANCE" },
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#define PCP_PDU_TEXT_REQ 0x7008
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{PCP_PDU_TEXT_REQ, "TEXT_REQ" },
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#define PCP_PDU_TEXT 0x7009
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{PCP_PDU_TEXT, "TEXT" },
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#define PCP_PDU_CONTROL_REQ 0x700a
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{PCP_PDU_CONTROL_REQ, "CONTROL_REQ" }, /* unimplemented (pmlc/pmlogger only) */
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#define PCP_PDU_DATA_X 0x700b
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{PCP_PDU_DATA_X, "DATA_X" }, /* unimplemented (pmlc/pmlogger only) */
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#define PCP_PDU_CREDS 0x700c
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{PCP_PDU_CREDS, "CREDS" },
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#define PCP_PDU_PMNS_IDS 0x700d
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{PCP_PDU_PMNS_IDS, "PMNS_IDS" },
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#define PCP_PDU_PMNS_NAMES 0x700e
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{PCP_PDU_PMNS_NAMES, "PMNS_NAMES" },
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#define PCP_PDU_PMNS_CHILD 0x700f
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{PCP_PDU_PMNS_CHILD, "PMNS_CHILD" },
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#define PCP_PDU_PMNS_TRAVERSE 0x7010 /*also type FINISH as per pcp headers, but I can not see it used */
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{PCP_PDU_PMNS_TRAVERSE, "PMNS_TRAVERSE" },
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#define PCP_PDU_USER_AUTH 0x7011
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{PCP_PDU_USER_AUTH, "USER_AUTH" },
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#define PCP_PDU_LABEL_REQ 0x7012
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{PCP_PDU_LABEL_REQ, "LABEL_REQ" },
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#define PCP_PDU_LABEL 0x7013
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{PCP_PDU_LABEL, "LABEL" },
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{ 0, NULL }
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};
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static const value_string packettypenames_pm_units_space[] = {
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{ 0, "PM_SPACE_BYTE" },
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{ 1, "PM_SPACE_KBYTE" },
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{ 2, "PM_SPACE_MBYTE" },
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{ 3, "PM_SPACE_GBYTE" },
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{ 4, "PM_SPACE_TBYTE" },
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{ 5, "PM_SPACE_PBYTE" },
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{ 6, "PM_SPACE_EBYTE" },
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{ 0, NULL }
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};
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static const value_string packettypenames_pm_units_time[] = {
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{ 0, "PM_TIME_NSEC" },
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{ 1, "PM_TIME_USEC" },
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{ 2, "PM_TIME_MSEC" },
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{ 3, "PM_TIME_SEC" },
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{ 4, "PM_TIME_MIN" },
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{ 5, "PM_TIME_HOUR" },
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{ 0, NULL }
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};
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static const value_string packettypenames_pm_types[] = {
|
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#define PM_TYPE_NOSUPPORT -1
|
|
{ -1, "PM_TYPE_NOSUPPORT" },
|
|
#define PM_TYPE_32 0
|
|
{ 0, "PM_TYPE_32" },
|
|
#define PM_TYPE_U32 1
|
|
{ 1, "PM_TYPE_U32" },
|
|
#define PM_TYPE_64 2
|
|
{ 2, "PM_TYPE_64" },
|
|
#define PM_TYPE_U64 3
|
|
{ 3, "PM_TYPE_U64" },
|
|
#define PM_TYPE_FLOAT 4
|
|
{ 4, "PM_TYPE_FLOAT" },
|
|
#define PM_TYPE_DOUBLE 5
|
|
{ 5, "PM_TYPE_DOUBLE" },
|
|
#define PM_TYPE_STRING 6
|
|
{ 6, "PM_TYPE_STRING" },
|
|
#define PM_TYPE_AGGREGATE 7
|
|
{ 7, "PM_TYPE_AGGREGATE" },
|
|
#define PM_TYPE_AGGREGATE_STATIC 8
|
|
{ 8, "PM_TYPE_AGGREGATE_STATIC" },
|
|
#define PM_TYPE_EVENT 9
|
|
{ 9, "PM_TYPE_EVENT" },
|
|
#define PM_TYPE_UNKNOWN 255
|
|
{ 255, "PM_TYPE_UNKNOWN" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_pm_types_sem[] = {
|
|
{ 1, "PM_SEM_COUNTER" },
|
|
{ 3, "PM_SEM_INSTANT" },
|
|
{ 4, "PM_SEM_DISCRETE" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_text_type_format[] = {
|
|
#define PM_TEXT_ONELINE 1
|
|
{ 1, "PM_TEXT_ONELINE" },
|
|
#define PM_TEXT_HELP 2
|
|
{ 2, "PM_TEXT_HELP" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_text_type_ident[] = {
|
|
#define PM_TEXT_PMID 4
|
|
{ 1, "PM_TEXT_PMID" },
|
|
#define PM_TEXT_INDOM 8
|
|
{ 2, "PM_TEXT_INDOM" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_valfmt[] = {
|
|
#define PM_VAL_INSITU 0
|
|
{ 0, "PM_VAL_INSITU" },
|
|
#define PM_VAL_DPTR 1
|
|
{ 1, "PM_VAL_DPTR" },
|
|
#define PM_VAL_SPTR 2
|
|
{ 2, "PM_VAL_SPTR" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_errors[] = {
|
|
{ -12345, "PM_ERR_GENERIC" },
|
|
{ -12346, "PM_ERR_PMNS" },
|
|
{ -12347, "PM_ERR_NOPMNS" },
|
|
{ -12348, "PM_ERR_DUPPMNS" },
|
|
{ -12349, "PM_ERR_TEXT" },
|
|
{ -12350, "PM_ERR_APPVERSION" },
|
|
{ -12351, "PM_ERR_VALUE" },
|
|
{ -12352, "PM_ERR_LICENSE" },
|
|
{ -12353, "PM_ERR_TIMEOUT" },
|
|
{ -12354, "PM_ERR_NODATA" },
|
|
{ -12355, "PM_ERR_RESET" },
|
|
{ -12356, "PM_ERR_FILE" },
|
|
{ PM_ERR_NAME, "PM_ERR_NAME" },
|
|
{ -12358, "PM_ERR_PMID" },
|
|
{ -12359, "PM_ERR_INDOM" },
|
|
{ -12360, "PM_ERR_INST" },
|
|
{ -12361, "PM_ERR_UNIT" },
|
|
{ -12362, "PM_ERR_CONV" },
|
|
{ -12363, "PM_ERR_TRUNC" },
|
|
{ -12364, "PM_ERR_SIGN" },
|
|
{ -12365, "PM_ERR_PROFILE" },
|
|
{ -12366, "PM_ERR_IPC" },
|
|
{ -12367, "PM_ERR_NOASCII" },
|
|
{ -12368, "PM_ERR_EOF" },
|
|
{ -12369, "PM_ERR_NOTHOST" },
|
|
{ -12370, "PM_ERR_EOL" },
|
|
{ -12371, "PM_ERR_MODE" },
|
|
{ -12372, "PM_ERR_LABEL" },
|
|
{ -12373, "PM_ERR_LOGREC" },
|
|
{ -12374, "PM_ERR_NOTARCHIVE" },
|
|
{ -12375, "PM_ERR_LOGFILE" },
|
|
{ -12376, "PM_ERR_NOCONTEXT" },
|
|
{ -12377, "PM_ERR_PROFILESPEC" },
|
|
{ -12378, "PM_ERR_PMID_LOG" },
|
|
{ -12379, "PM_ERR_INDOM_LOG" },
|
|
{ -12380, "PM_ERR_INST_LOG" },
|
|
{ -12381, "PM_ERR_NOPROFILE" },
|
|
{ -12386, "PM_ERR_NOAGENT" },
|
|
{ -12387, "PM_ERR_PERMISSION" },
|
|
{ -12388, "PM_ERR_CONNLIMIT" },
|
|
{ -12389, "PM_ERR_AGAIN" },
|
|
{ -12390, "PM_ERR_ISCONN" },
|
|
{ -12391, "PM_ERR_NOTCONN" },
|
|
{ -12392, "PM_ERR_NEEDPORT" },
|
|
{ -12393, "PM_ERR_WANTACK" },
|
|
{ -12394, "PM_ERR_NONLEAF" },
|
|
{ -12395, "PM_ERR_OBJSTYLE" },
|
|
{ -12396, "PM_ERR_PMCDLICENSE" },
|
|
{ -12397, "PM_ERR_TYPE" },
|
|
{ -12442, "PM_ERR_CTXBUSY" },
|
|
{ -12443, "PM_ERR_TOOSMALL" },
|
|
{ -12444, "PM_ERR_TOOBIG" },
|
|
{ -13393, "PM_ERR_PMDAREADY" },
|
|
{ -13394, "PM_ERR_PMDANOTREADY" },
|
|
{ -21344, "PM_ERR_NYI" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_creds[]= {
|
|
{ 1, "CVERSION" },
|
|
{ 2, "CAUTH" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string packettypenames_label_req_type[]= {
|
|
{ 1, "PM_LABEL_CONTEXT" },
|
|
{ 2, "PM_LABEL_DOMAIN" },
|
|
{ 4, "PM_LABEL_INDOM" },
|
|
{ 8, "PM_LABEL_CLUSTER" },
|
|
{ 16, "PM_LABEL_ITEM" },
|
|
{ 32, "PM_LABEL_INSTANCES" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
typedef struct pcp_conv_info_t {
|
|
wmem_array_t *pmid_name_candidates;
|
|
wmem_map_t *pmid_to_name;
|
|
guint32 last_pmns_names_frame;
|
|
guint32 last_processed_pmns_names_frame;
|
|
gboolean using_good_labels;
|
|
} pcp_conv_info_t;
|
|
|
|
/* function prototypes */
|
|
static pcp_conv_info_t* get_pcp_conversation_info(packet_info *pinfo);
|
|
static int is_unvisited_pmns_names_frame(packet_info *pinfo);
|
|
static gboolean is_using_good_labels(packet_info *pinfo);
|
|
static gboolean label_value_length_looks_like_wrong_endianness(tvbuff_t *tvb, guint16 value_offset, guint16 value_length);
|
|
static void add_candidate_name_for_pmid_resolution(packet_info *pinfo, tvbuff_t *tvb, int offset, int name_len);
|
|
static void mark_this_frame_as_last_pmns_names_frame(packet_info *pinfo);
|
|
static inline int has_unprocessed_pmns_names_frame(pcp_conv_info_t *pcp_conv_info);
|
|
static void create_pmid_to_name_map_from_candidates(pcp_conv_info_t *pcp_conv_info, tvbuff_t *tvb, int offset, guint32 num_ids);
|
|
static void populate_pmids_to_names(packet_info *pinfo, tvbuff_t *tvb, int offset, guint32 num_ids);
|
|
static inline int client_to_server(packet_info *pinfo);
|
|
static inline int server_to_client(packet_info *pinfo);
|
|
static guint8* get_name_from_pmid(guint32 pmid, packet_info *pinfo);
|
|
static guint get_pcp_message_len(packet_info *pinfo, tvbuff_t *tvb, int offset, void *data);
|
|
static const gchar *get_pcp_features_to_string(guint16 feature_flags);
|
|
static int dissect_pcp_message_creds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_start(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_pmns_traverse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_pmns_names(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_pmns_child(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_pmns_ids(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_profile(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_fetch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_result(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_desc_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_desc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_instance_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_instance(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_text_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_text(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_message_user_auth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_partial_pmid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_partial_when(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_partial_features(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
|
|
static int dissect_pcp_partial_label(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint32 json_start_offset);
|
|
static int dissect_pcp_partial_labelset(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, int offset);
|
|
|
|
/* message length for dissect_tcp */
|
|
static guint get_pcp_message_len(packet_info *pinfo _U_, tvbuff_t *tvb,
|
|
int offset, void *data _U_)
|
|
{
|
|
/* length is at the very start of the packet, after tcp header */
|
|
return (guint)tvb_get_ntohl(tvb, offset);
|
|
}
|
|
|
|
static void mark_this_frame_as_last_pmns_names_frame(packet_info *pinfo) {
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
|
|
if(pinfo->num > pcp_conv_info->last_pmns_names_frame) {
|
|
pcp_conv_info->last_pmns_names_frame = pinfo->num;
|
|
}
|
|
}
|
|
|
|
static inline int has_unprocessed_pmns_names_frame(pcp_conv_info_t *pcp_conv_info) {
|
|
return pcp_conv_info->last_pmns_names_frame > pcp_conv_info->last_processed_pmns_names_frame;
|
|
}
|
|
|
|
static inline int client_to_server(packet_info *pinfo) {
|
|
return pinfo->destport == PCP_PORT || pinfo->destport == PMPROXY_PORT;
|
|
}
|
|
|
|
static inline int server_to_client(packet_info *pinfo) {
|
|
return !client_to_server(pinfo);
|
|
}
|
|
|
|
static guint8* get_name_from_pmid(guint32 pmid, packet_info *pinfo) {
|
|
guint8 *name;
|
|
wmem_map_t *pmid_to_name;
|
|
|
|
pmid_to_name = get_pcp_conversation_info(pinfo)->pmid_to_name;
|
|
|
|
name = (guint8*)wmem_map_lookup(pmid_to_name, GINT_TO_POINTER(pmid));
|
|
if(!name) {
|
|
name = (guint8*)wmem_strdup(wmem_packet_scope(), "Metric name unknown");
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
static const gchar *get_pcp_features_to_string(guint16 feature_flags)
|
|
{
|
|
const value_string *flag_under_test;
|
|
wmem_strbuf_t *string_buffer;
|
|
gsize string_length;
|
|
|
|
string_buffer = wmem_strbuf_new(wmem_packet_scope(), "");
|
|
|
|
/* Build the comma-separated list of feature flags as a string. EG 'SECURE, COMPRESS, AUTH, ' */
|
|
flag_under_test = &pcp_feature_flags[0];
|
|
while (flag_under_test->value) {
|
|
if (feature_flags & flag_under_test->value) {
|
|
wmem_strbuf_append_printf(string_buffer, "%s, ", flag_under_test->strptr);
|
|
}
|
|
flag_under_test++;
|
|
}
|
|
|
|
/* Cleanup the last remaining ', ' from the string */
|
|
string_length = wmem_strbuf_get_len(string_buffer);
|
|
if (string_length > 2) {
|
|
wmem_strbuf_truncate(string_buffer, string_length - 2);
|
|
}
|
|
|
|
return wmem_strbuf_get_str(string_buffer);
|
|
}
|
|
|
|
static pcp_conv_info_t* get_pcp_conversation_info(packet_info *pinfo) {
|
|
conversation_t *conversation;
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
|
|
conversation = find_conversation_pinfo(pinfo, 0);
|
|
|
|
/* Conversation setup is done in the main dissecting routine so it should never be null */
|
|
DISSECTOR_ASSERT(conversation);
|
|
|
|
pcp_conv_info = (pcp_conv_info_t *)conversation_get_proto_data(conversation, proto_pcp);
|
|
|
|
/* Conversation data is initialized when creating the conversation so should never be null */
|
|
DISSECTOR_ASSERT(pcp_conv_info);
|
|
|
|
return pcp_conv_info;
|
|
}
|
|
|
|
static void add_candidate_name_for_pmid_resolution(packet_info *pinfo, tvbuff_t *tvb, int offset, int name_len) {
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
guint8 *name;
|
|
|
|
pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
|
|
if(is_unvisited_pmns_names_frame(pinfo)) {
|
|
name = tvb_get_string_enc(wmem_file_scope(), tvb, offset, name_len, ENC_ASCII);
|
|
wmem_array_append_one(pcp_conv_info->pmid_name_candidates, name);
|
|
}
|
|
}
|
|
|
|
static int is_unvisited_pmns_names_frame(packet_info *pinfo) {
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
|
|
pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
|
|
return pinfo->num > pcp_conv_info->last_processed_pmns_names_frame && pinfo->num > pcp_conv_info->last_pmns_names_frame;
|
|
}
|
|
|
|
static void populate_pmids_to_names(packet_info *pinfo, tvbuff_t *tvb, int offset, guint32 num_ids) {
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
guint number_of_name_candidates;
|
|
|
|
pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
number_of_name_candidates = wmem_array_get_count(pcp_conv_info->pmid_name_candidates);
|
|
|
|
if(number_of_name_candidates == num_ids && has_unprocessed_pmns_names_frame(pcp_conv_info)) {
|
|
create_pmid_to_name_map_from_candidates(pcp_conv_info, tvb, offset, num_ids);
|
|
/* Set this frame to the one that we processed */
|
|
pcp_conv_info->last_processed_pmns_names_frame = pcp_conv_info->last_pmns_names_frame;
|
|
}
|
|
|
|
pcp_conv_info->pmid_name_candidates = wmem_array_new(wmem_file_scope(), sizeof(guint8 *));
|
|
}
|
|
|
|
static void create_pmid_to_name_map_from_candidates(pcp_conv_info_t *pcp_conv_info, tvbuff_t *tvb, int offset, guint32 num_ids) {
|
|
guint32 i;
|
|
|
|
for(i=0; i<num_ids; i++) {
|
|
guint32 pmid;
|
|
guint8 *pmid_name;
|
|
|
|
pmid = tvb_get_ntohl(tvb, offset);
|
|
pmid_name = *(guint8 **)wmem_array_index(pcp_conv_info->pmid_name_candidates, i);
|
|
|
|
if(wmem_map_lookup(pcp_conv_info->pmid_to_name, GINT_TO_POINTER(pmid)) == NULL) {
|
|
wmem_map_insert(pcp_conv_info->pmid_to_name, GINT_TO_POINTER(pmid), pmid_name);
|
|
}
|
|
offset += 4;
|
|
}
|
|
}
|
|
|
|
static int dissect_pcp_message_creds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
guint32 creds_length;
|
|
guint32 i;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(PCP_PDU_CREDS, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
/* first is the number of creds */
|
|
proto_tree_add_item(tree, hf_pcp_creds_number_of, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
/* store the number of creds so we know how long to interate for */
|
|
creds_length = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
/* go through each __pmVersionCred struct */
|
|
for (i = 0; i < creds_length; i++) {
|
|
/* __pmVersionCred.c_type */
|
|
proto_tree_add_item(tree, hf_pcp_creds_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* __pmVersionCred.c_version */
|
|
proto_tree_add_item(tree, hf_pcp_creds_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* __pmVersionCred.c_flags */
|
|
offset = dissect_pcp_partial_features(tvb, pinfo, tree, offset);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* ERROR packet format:
|
|
signed int error
|
|
*/
|
|
static int dissect_pcp_message_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
gint32 error_num;
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
|
|
/* append the type of packet, we can't look this up as it clashes with START */
|
|
col_append_str(pinfo->cinfo, COL_INFO, "[ERROR] ");
|
|
|
|
/* add the error item to the tree and column */
|
|
proto_tree_add_item(tree, hf_pcp_pdu_error, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
error_num = tvb_get_ntohl(tvb, offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "error=%s ",
|
|
val_to_str(error_num, packettypenames_errors, "Unknown Error:%i"));
|
|
offset += 4;
|
|
|
|
/* Clean out candidate names if we got an error from a PMNS_NAMES lookup. This will allow subsequent PMNS_NAMES
|
|
lookups to work in the same conversation
|
|
*/
|
|
if(error_num == PM_ERR_NAME) {
|
|
pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
pcp_conv_info->pmid_name_candidates = wmem_array_new(wmem_file_scope(), sizeof(guint8 *));
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* START packet format:
|
|
unsigned int sts,
|
|
struct __pmPDUInfo
|
|
|
|
|
|> unsigned int zero : 1 bit
|
|
unsigned int version : 7 bits
|
|
unsigned int licensed : 8 bits
|
|
unsigned int features : 16 bits
|
|
*/
|
|
static int dissect_pcp_message_start(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
/* create a start tree tree to hold the information*/
|
|
proto_item *pcp_start_item;
|
|
proto_tree *pcp_start_tree;
|
|
guint32 status;
|
|
|
|
pcp_start_item = proto_tree_add_item(tree, hf_pcp_start, tvb, 0, -1, ENC_NA);
|
|
pcp_start_tree = proto_item_add_subtree(pcp_start_item, ett_pcp);
|
|
|
|
/* append the type of packet, we can't look this up as it clashes with ERROR */
|
|
col_append_str(pinfo->cinfo, COL_INFO, "[START]");
|
|
|
|
/* status */
|
|
status = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(pcp_start_tree, hf_pcp_start_status, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
if(tvb_reported_length_remaining(tvb, offset) == 0){
|
|
/* Most likely we're in a SSL upgrade if this is the end of the start packet */
|
|
if(status == PCP_SECURE_ACK_SUCCESSFUL) {
|
|
expert_add_info(pinfo, tree, &ei_pcp_ssl_upgrade);
|
|
ssl_starttls_ack(find_dissector("ssl"), pinfo, pcp_handle);
|
|
}
|
|
else {
|
|
expert_add_info(pinfo, tree, &ei_pcp_ssl_upgrade_failed);
|
|
}
|
|
}
|
|
else {
|
|
/* zero bit and version bits */
|
|
proto_tree_add_item(pcp_start_tree, hf_pcp_start_zero, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pcp_start_tree, hf_pcp_start_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* licensed */
|
|
proto_tree_add_item(pcp_start_tree, hf_pcp_start_licensed, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* features */
|
|
offset = dissect_pcp_partial_features(tvb, pinfo, pcp_start_tree, offset);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* PMNS_TRAVERSE packet format:
|
|
guint32 subtype
|
|
guint32 namelen
|
|
char name[sizeof(namelen)] + padding
|
|
*/
|
|
static int dissect_pcp_message_pmns_traverse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_pmns_traverse_item;
|
|
proto_tree *pcp_pmns_traverse_tree;
|
|
guint32 name_len;
|
|
guint32 padding;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(PCP_PDU_PMNS_TRAVERSE, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_pmns_traverse_item = proto_tree_add_item(tree, hf_pcp_pmns_traverse, tvb, offset, -1, ENC_NA);
|
|
pcp_pmns_traverse_tree = proto_item_add_subtree(pcp_pmns_traverse_item, ett_pcp);
|
|
|
|
/* subtype */
|
|
proto_tree_add_item(pcp_pmns_traverse_tree, hf_pcp_pmns_subtype, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* namelen */
|
|
proto_tree_add_item(pcp_pmns_traverse_tree, hf_pcp_pmns_namelen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
name_len = tvb_get_ntohl(tvb, offset); /* get the actual length out so we can use it in the next item */
|
|
offset += 4;
|
|
/* name */
|
|
proto_tree_add_item(pcp_pmns_traverse_tree, hf_pcp_pmns_name, tvb, offset, name_len, ENC_ASCII|ENC_NA);
|
|
offset += name_len; /* increment by whatever the length of the name string was */
|
|
|
|
/* "padding" (not really padding, just what is left over in the old buffer) */
|
|
padding = name_len % 4; /* names are padded to the nearest 4 byte boundary */
|
|
if (padding != 0) { /* if there is padding, keep going till the remainder of mod 4 */
|
|
padding = 4 - padding; /* we want the inverse of the remainder */
|
|
|
|
proto_tree_add_item(pcp_pmns_traverse_tree, hf_pcp_pdu_padding, tvb, offset, padding, ENC_NA);
|
|
offset += padding;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* PMNS_NAMES packet format:
|
|
guint32 nstrbytes (number of str bytes)
|
|
guint32 numstatus (0 if no status. Also, if 0, use name_t, otherwise use name_status_t )
|
|
guint32 numnames
|
|
__pmPDU names (if numstatus = 0, filled with name_t, otherwise name_status_t)
|
|
| |
|
|
| |> -- name_t --
|
|
| int namelen
|
|
| char name[sizeof(namelen)]
|
|
|
|
|
|> -- name_status_t --
|
|
int status
|
|
int namelen
|
|
char name[sizeof(namelen)]
|
|
*/
|
|
static int dissect_pcp_message_pmns_names(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_pmns_names_item;
|
|
proto_tree *pcp_pmns_names_tree;
|
|
proto_item *pcp_pmns_names_name_item;
|
|
proto_tree *pcp_pmns_names_name_tree;
|
|
guint32 is_pmns_names_status;
|
|
guint32 num_names;
|
|
guint32 name_len;
|
|
guint32 full_name_len;
|
|
guint32 padding;
|
|
guint32 i;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_PMNS_NAMES, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_pmns_names_item = proto_tree_add_item(tree, hf_pcp_pmns_names, tvb, offset, -1, ENC_NA);
|
|
pcp_pmns_names_tree = proto_item_add_subtree(pcp_pmns_names_item, ett_pcp);
|
|
|
|
/* nstrbytes */
|
|
proto_tree_add_item(pcp_pmns_names_tree, hf_pcp_pmns_names_nstrbytes, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* numstatus */
|
|
proto_tree_add_item(pcp_pmns_names_tree, hf_pcp_pmns_names_numstatus, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
is_pmns_names_status = tvb_get_ntohl(tvb, offset); /* is the status also present in this PDU? */
|
|
offset += 4;
|
|
|
|
/* numnames */
|
|
proto_tree_add_item(pcp_pmns_names_tree, hf_pcp_pmns_names_numnames, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_names = tvb_get_ntohl(tvb, offset); /* get the number of names to iterate through */
|
|
offset += 4;
|
|
|
|
/* nametrees */
|
|
for (i=0; i < num_names; i++) {
|
|
/* find out the size of the name_t/name_status_t before we create the tree */
|
|
if (is_pmns_names_status) {
|
|
name_len = tvb_get_ntohl(tvb, offset+4);
|
|
full_name_len = name_len + 8;
|
|
} else {
|
|
name_len = tvb_get_ntohl(tvb, offset);
|
|
full_name_len = name_len + 4;
|
|
}
|
|
/* add a new subtree for each name */
|
|
pcp_pmns_names_name_item = proto_tree_add_item(pcp_pmns_names_tree, hf_pcp_pmns_names_nametree,
|
|
tvb, offset, full_name_len, ENC_NA);
|
|
pcp_pmns_names_name_tree = proto_item_add_subtree(pcp_pmns_names_name_item, ett_pcp);
|
|
|
|
if (is_pmns_names_status) {
|
|
/* print out the name status and increment if we're supposed to have it */
|
|
proto_tree_add_item(pcp_pmns_names_name_tree, hf_pcp_pmns_names_nametree_status,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
}
|
|
/* namelen */
|
|
proto_tree_add_item(pcp_pmns_names_name_tree, hf_pcp_pmns_names_nametree_namelen,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* name */
|
|
if(client_to_server(pinfo)) {
|
|
add_candidate_name_for_pmid_resolution(pinfo, tvb, offset, name_len);
|
|
}
|
|
proto_tree_add_item(pcp_pmns_names_name_tree, hf_pcp_pmns_names_nametree_name,
|
|
tvb, offset, name_len, ENC_ASCII|ENC_NA);
|
|
offset += name_len;
|
|
/* padding */
|
|
padding = name_len % 4; /* names are padded to the nearest 4 byte boundary */
|
|
if (padding != 0) {
|
|
padding = 4 - padding; /* we want the inverse of the remainder */
|
|
/* if there is padding, keep going till the remainder of mod 8 */
|
|
proto_tree_add_item(pcp_pmns_names_name_tree, hf_pcp_pdu_padding, tvb, offset, padding, ENC_NA);
|
|
offset += padding;
|
|
}
|
|
}
|
|
if(client_to_server(pinfo)) {
|
|
mark_this_frame_as_last_pmns_names_frame(pinfo);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* PMNS_CHILD packet format:
|
|
guint32 subtype
|
|
guint32 namelen
|
|
char name[namelen]
|
|
*/
|
|
static int dissect_pcp_message_pmns_child(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_pmns_child_item;
|
|
proto_tree *pcp_pmns_child_tree;
|
|
guint32 name_len;
|
|
|
|
pcp_pmns_child_item = proto_tree_add_item(tree, hf_pcp_pmns_child, tvb, offset, -1, ENC_NA);
|
|
pcp_pmns_child_tree = proto_item_add_subtree(pcp_pmns_child_item, ett_pcp);
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_PMNS_CHILD, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
/* subtype */
|
|
proto_tree_add_item(pcp_pmns_child_tree, hf_pcp_pmns_subtype, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* namelen */
|
|
proto_tree_add_item(pcp_pmns_child_tree, hf_pcp_pmns_namelen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
name_len = tvb_get_ntohl(tvb, offset); /* length of the next value */
|
|
offset += 4;
|
|
|
|
/* name */
|
|
proto_tree_add_item(pcp_pmns_child_tree, hf_pcp_pmns_name, tvb, offset, name_len, ENC_ASCII|ENC_NA);
|
|
offset += 4;
|
|
return offset;
|
|
}
|
|
|
|
/* PMNS_IDS packet format
|
|
guint32 status
|
|
guint32 numids
|
|
pmID idlist[numids] (where pmID = uint32)
|
|
|
|
*/
|
|
static int dissect_pcp_message_pmns_ids(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_pmns_ids_item;
|
|
proto_tree *pcp_pmns_ids_tree;
|
|
guint32 num_ids;
|
|
guint32 i;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(PCP_PDU_PMNS_IDS, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_pmns_ids_item = proto_tree_add_item(tree, hf_pcp_pmns_ids, tvb, offset, -1, ENC_NA);
|
|
pcp_pmns_ids_tree = proto_item_add_subtree(pcp_pmns_ids_item, ett_pcp);
|
|
|
|
/* status */
|
|
proto_tree_add_item(pcp_pmns_ids_tree, hf_pcp_pmns_ids_status, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* numids */
|
|
proto_tree_add_item(pcp_pmns_ids_tree, hf_pcp_pmns_ids_numids, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_ids = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* Populate the PMID to name mapping */
|
|
populate_pmids_to_names(pinfo, tvb, offset, num_ids);
|
|
|
|
/* pmIDs */
|
|
for (i=0; i<num_ids; i++) {
|
|
/* pmID */
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_pmns_ids_tree, offset);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* PROFILE packet format
|
|
guint32 ctxnum;
|
|
guint32 g_state;
|
|
guint32 numprof;
|
|
guint32 pad;
|
|
pmProfile profiles[numprof]
|
|
|
|
|
|> pmInDom indom;
|
|
int state;
|
|
int numinst;
|
|
int pad;
|
|
*/
|
|
static int dissect_pcp_message_profile(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_profile_item;
|
|
proto_tree *pcp_profile_tree;
|
|
proto_item *pcp_profile_profile_item;
|
|
proto_tree *pcp_profile_profile_tree;
|
|
guint32 num_prof;
|
|
guint32 i;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_PROFILE, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_profile_item = proto_tree_add_item(tree, hf_pcp_profile, tvb, offset, -1, ENC_NA);
|
|
pcp_profile_tree = proto_item_add_subtree(pcp_profile_item, ett_pcp);
|
|
|
|
/* ctxnum */
|
|
proto_tree_add_item(pcp_profile_tree, hf_pcp_ctxnum, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* g_state */
|
|
proto_tree_add_item(pcp_profile_tree, hf_pcp_profile_g_state, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* numprof */
|
|
proto_tree_add_item(pcp_profile_tree, hf_pcp_profile_numprof, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_prof = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* pad */
|
|
proto_tree_add_item(pcp_profile_tree, hf_pcp_pdu_padding, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* iterate through each profile */
|
|
for (i=0; i<num_prof; i++) {
|
|
/* subtree for each profile */
|
|
pcp_profile_profile_item = proto_tree_add_item(pcp_profile_tree, hf_pcp_profile_profile, tvb, offset, 32, ENC_NA);
|
|
pcp_profile_profile_tree = proto_item_add_subtree(pcp_profile_profile_item, ett_pcp);
|
|
|
|
/* indom */
|
|
proto_tree_add_item(pcp_profile_profile_tree, hf_pcp_instance_indom, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* state - include/exclude */
|
|
proto_tree_add_item(pcp_profile_profile_tree, hf_pcp_profile_profile_state, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* numinst - number of instances to follow */
|
|
proto_tree_add_item(pcp_profile_profile_tree, hf_pcp_profile_profile_numinst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* padding */
|
|
proto_tree_add_item(pcp_profile_tree, hf_pcp_pdu_padding, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* FETCH packet format
|
|
guint32 cxtnum
|
|
__pmTimeval when (unsigned int tv_sec, unsigned int tv_usec)
|
|
guint32 numpmid
|
|
pmID pmidlist[1-x] (unsigned int)
|
|
*/
|
|
static int dissect_pcp_message_fetch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_fetch_item;
|
|
proto_tree *pcp_fetch_tree;
|
|
guint32 num_pmid;
|
|
guint32 i;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]",
|
|
val_to_str(PCP_PDU_FETCH, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_fetch_item = proto_tree_add_item(tree, hf_pcp_fetch, tvb, offset, -1, ENC_NA);
|
|
pcp_fetch_tree = proto_item_add_subtree(pcp_fetch_item, ett_pcp);
|
|
|
|
/* ctxnum */
|
|
proto_tree_add_item(pcp_fetch_tree, hf_pcp_ctxnum, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* when */
|
|
offset = dissect_pcp_partial_when(tvb, pinfo, pcp_fetch_tree, offset);
|
|
|
|
/* numpmid */
|
|
proto_tree_add_item(pcp_fetch_tree, hf_pcp_fetch_numpmid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_pmid = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* pmIDs*/
|
|
for (i=0; i<num_pmid; i++) {
|
|
/* decode partial PMID message */
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_fetch_tree, offset);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* RESULT packet format
|
|
|
|
__pmTimeval when (unsigned int tv_sec, unsigned int tv_usec)
|
|
int numpmid
|
|
_pmPDU data[1-n] (contains v_list types)
|
|
|
|
|
|> pmID pmid
|
|
int numval
|
|
int valfmt
|
|
__pmValue_PDU vlist[1-n] (contains pmValue PDUs)
|
|
|
|
|
|> int inst
|
|
int offset/value
|
|
(if valfmt == PTR type)
|
|
int8 type
|
|
int24 length
|
|
char value[length]
|
|
*/
|
|
static int dissect_pcp_message_result(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_results_item;
|
|
proto_tree *pcp_results_tree;
|
|
proto_item *pcp_result_item;
|
|
proto_tree *pcp_result_tree;
|
|
proto_item *pcp_result_instance_item;
|
|
proto_tree *pcp_result_instance_tree;
|
|
guint32 num_pmid;
|
|
guint32 num_val;
|
|
guint32 offset_start;
|
|
guint32 valfmt_type;
|
|
guint32 value_type;
|
|
guint32 pmvalueblock_offset;
|
|
guint32 pmvalueblock_value_length;
|
|
guint32 i;
|
|
guint32 j;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_RESULT, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_results_item = proto_tree_add_item(tree, hf_pcp_results, tvb, offset, -1, ENC_NA);
|
|
pcp_results_tree = proto_item_add_subtree(pcp_results_item, ett_pcp);
|
|
|
|
/* when */
|
|
offset = dissect_pcp_partial_when(tvb, pinfo, pcp_results_tree, offset);
|
|
|
|
/* numpmid */
|
|
proto_tree_add_item(pcp_results_tree, hf_pcp_results_numpmid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_pmid = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* result */
|
|
for (i=0; i<num_pmid; i++) {
|
|
/* work out how long each result should be - set starting offset */
|
|
offset_start = offset;
|
|
|
|
pcp_result_item = proto_tree_add_item(pcp_results_tree, hf_pcp_result, tvb, offset, -1, ENC_NA);
|
|
pcp_result_tree = proto_item_add_subtree(pcp_result_item, ett_pcp);
|
|
|
|
/* pmID */
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_result_tree, offset);
|
|
|
|
/* numval */
|
|
proto_tree_add_item(pcp_result_tree, hf_pcp_result_numval, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_val = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* if there are no numvals, then the valfmt isn't sent */
|
|
if (num_val > 0) {
|
|
|
|
/* valfmt */
|
|
proto_tree_add_item(pcp_result_tree, hf_pcp_result_valfmt, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
valfmt_type = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* instance */
|
|
for (j=0; j<num_val; j++) {
|
|
/* give the subtree name length of inst (int) + offset/va (int) */
|
|
pcp_result_instance_item = proto_tree_add_item(pcp_result_tree, hf_pcp_instance,
|
|
tvb, offset, 8, ENC_NA);
|
|
pcp_result_instance_tree = proto_item_add_subtree(pcp_result_instance_item, ett_pcp);
|
|
|
|
/* inst */
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_pmid_inst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* valoffset/value: depending on the format, the next 32 bits is the value _OR_ the offset to where
|
|
the value is */
|
|
if (valfmt_type == PM_VAL_INSITU) {
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_insitu,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
} else {
|
|
/* offset in the packet to find pmValueBlock */
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_valoffset,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
/* get the offset (not the offset of the count we are at) but where we should look */
|
|
pmvalueblock_offset = tvb_get_ntohl(tvb, offset);
|
|
pmvalueblock_offset = pmvalueblock_offset * 4; /* offset values are in 32bit units */
|
|
|
|
/* type */
|
|
value_type = tvb_get_guint8(tvb, pmvalueblock_offset);
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_pmid_type,
|
|
tvb, pmvalueblock_offset, 1, ENC_BIG_ENDIAN);
|
|
pmvalueblock_offset += 1;
|
|
|
|
/* length */
|
|
pmvalueblock_value_length = tvb_get_ntoh24(tvb, pmvalueblock_offset);
|
|
/* can't add a tree item the ususal way as it is outside of the tree */
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_vallength,
|
|
tvb, pmvalueblock_offset, 3, ENC_BIG_ENDIAN);
|
|
pmvalueblock_offset += 3;
|
|
|
|
/* value - note we go up to the pmvalueblock_value_length - 4,
|
|
as this value includes the previous 4 bytes */
|
|
switch (value_type) {
|
|
case PM_TYPE_32:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_int, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_U32:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_uint, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_64:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_int64, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_U64:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_uint64, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_FLOAT:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_float, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_DOUBLE:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_double, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case PM_TYPE_STRING:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_ptr, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_ASCII|ENC_NA);
|
|
break;
|
|
case PM_TYPE_AGGREGATE:
|
|
case PM_TYPE_AGGREGATE_STATIC:
|
|
proto_tree_add_item(pcp_result_instance_tree, hf_pcp_instance_value_aggr, tvb,
|
|
pmvalueblock_offset, pmvalueblock_value_length-4, ENC_NA);
|
|
break;
|
|
case PM_TYPE_EVENT:
|
|
expert_add_info(pinfo, pcp_result_instance_tree, &ei_pcp_type_event_unimplemented);
|
|
break;
|
|
case PM_TYPE_NOSUPPORT:
|
|
expert_add_info(pinfo, pcp_result_instance_tree, &ei_pcp_type_nosupport_unsupported);
|
|
break;
|
|
case PM_TYPE_UNKNOWN:
|
|
expert_add_info(pinfo, pcp_result_instance_tree, &ei_pcp_type_unknown_unknown_value);
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, pcp_result_instance_tree, &ei_pcp_unimplemented_value);
|
|
break;
|
|
}
|
|
}
|
|
/* bump the offset after the instance value _or_ the offset into
|
|
the packet (pcp.instance.valoffset) , each being 4 bytes */
|
|
offset += 4;
|
|
}
|
|
|
|
}
|
|
/* we now know how long the field is */
|
|
proto_item_set_len(pcp_result_tree, offset-offset_start);
|
|
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* DESC_REQ pcaket format
|
|
pmID pmid (32bit int)
|
|
*/
|
|
static int dissect_pcp_message_desc_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_desc_req_item;
|
|
proto_tree *pcp_desc_req_tree;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_DESC_REQ, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
/* subtree for packet type */
|
|
pcp_desc_req_item = proto_tree_add_item(tree, hf_pcp_desc_req, tvb, offset, -1, ENC_NA);
|
|
pcp_desc_req_tree = proto_item_add_subtree(pcp_desc_req_item, ett_pcp);
|
|
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_desc_req_tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* DESC packet format
|
|
pmID pmid
|
|
int type (base data type)
|
|
pmInDom indom
|
|
int sem (semantics of the value: instant? counter? etc..)
|
|
pmUnits units
|
|
|
|
|
v
|
|
signed int dimSpace : 4
|
|
signed int dimTime : 4
|
|
signed int dimCount : 4
|
|
unsigned int scaleSpace : 4
|
|
unsigned int scaleTime : 4
|
|
signed int scaleCount : 4
|
|
unsigned int pad : 8
|
|
*/
|
|
static int dissect_pcp_message_desc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_desc_item;
|
|
proto_tree *pcp_desc_tree;
|
|
proto_item *pcp_desc_units_item;
|
|
proto_tree *pcp_desc_units_tree;
|
|
guint32 bits_offset;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_DESC, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
/* root desc tree */
|
|
pcp_desc_item = proto_tree_add_item(tree, hf_pcp_desc, tvb, offset, 4, ENC_NA);
|
|
pcp_desc_tree = proto_item_add_subtree(pcp_desc_item, ett_pcp);
|
|
|
|
/* pmID */
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_desc_tree, offset);
|
|
|
|
/* type */
|
|
proto_tree_add_item(pcp_desc_tree, hf_pcp_pmid_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* indom */
|
|
proto_tree_add_item(pcp_desc_tree, hf_pcp_instance_indom, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* sem */
|
|
proto_tree_add_item(pcp_desc_tree, hf_pcp_pmid_sem, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* pmUnits */
|
|
bits_offset = offset*8; /* create the bits offset */
|
|
pcp_desc_units_item = proto_tree_add_item(pcp_desc_tree, hf_pcp_units, tvb, offset, -1, ENC_NA);
|
|
pcp_desc_units_tree = proto_item_add_subtree(pcp_desc_units_item, ett_pcp);
|
|
|
|
/* dimspace */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_dimspace, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
bits_offset += 4;
|
|
/* dimtime */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_dimtime, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
bits_offset += 4;
|
|
/* dimcount */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_dimcount, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
bits_offset += 4;
|
|
/* scalespace */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_scalespace, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
bits_offset += 4;
|
|
/* scaletime */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_scaletime, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
bits_offset += 4;
|
|
/* scalecount */
|
|
proto_tree_add_bits_item(pcp_desc_units_tree, hf_pcp_units_scalecount, tvb, bits_offset, 4, ENC_BIG_ENDIAN);
|
|
/*bits_offset += 4;*/
|
|
/* padding */
|
|
offset += 3; /* total offset of pmunits before */
|
|
proto_tree_add_item(pcp_desc_units_tree, hf_pcp_pdu_padding, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
/*bits_offset += 8;*/
|
|
return offset;
|
|
|
|
}
|
|
|
|
/* INSTANCE_REQ packet format
|
|
pmInDom indom
|
|
__pmTimeval when
|
|
int inst
|
|
int namelen
|
|
char name
|
|
*/
|
|
static int dissect_pcp_message_instance_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_instance_req_item;
|
|
proto_tree *pcp_instance_req_tree;
|
|
guint32 name_len;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_INSTANCE_REQ, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_instance_req_item = proto_tree_add_item(tree, hf_pcp_instance_req, tvb, offset, -1, ENC_NA);
|
|
pcp_instance_req_tree = proto_item_add_subtree(pcp_instance_req_item, ett_pcp);
|
|
|
|
/* indom */
|
|
proto_tree_add_item(pcp_instance_req_tree, hf_pcp_instance_indom, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* when */
|
|
offset = dissect_pcp_partial_when(tvb, pinfo, pcp_instance_req_tree, offset);
|
|
|
|
/* inst */
|
|
proto_tree_add_item(pcp_instance_req_tree, hf_pcp_pmid_inst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* namelen */
|
|
proto_tree_add_item(pcp_instance_req_tree, hf_pcp_instance_namelen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
name_len = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* name */
|
|
if (name_len > 0) {
|
|
proto_tree_add_item(pcp_instance_req_tree, hf_pcp_instance_name, tvb, offset, name_len, ENC_ASCII|ENC_NA);
|
|
offset += name_len;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* TEXT_REQ packet format
|
|
int ident
|
|
int type
|
|
*/
|
|
static int dissect_pcp_message_text_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_text_req_item;
|
|
proto_tree *pcp_text_req_tree;
|
|
proto_item *pcp_text_req_type_item;
|
|
proto_tree *pcp_text_req_type_tree;
|
|
guint32 bits_offset;
|
|
guint32 type;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_TEXT_REQ, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_text_req_item = proto_tree_add_item(tree, hf_pcp_text_req, tvb, offset, -1, ENC_NA);
|
|
pcp_text_req_tree = proto_item_add_subtree(pcp_text_req_item, ett_pcp);
|
|
|
|
/* peek at type to decode ident correctly */
|
|
type = tvb_get_ntohl(tvb, offset + 4);
|
|
|
|
/* ident */
|
|
if (type & PM_TEXT_PMID) {
|
|
offset = dissect_pcp_partial_pmid(tvb, pinfo, pcp_text_req_tree, offset);
|
|
} else if (type & PM_TEXT_INDOM) {
|
|
proto_tree_add_item(pcp_text_req_tree, hf_pcp_instance_indom, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
}
|
|
|
|
/* type */
|
|
pcp_text_req_type_item = proto_tree_add_item(pcp_text_req_tree, hf_pcp_text_type, tvb, offset, 4, ENC_NA);
|
|
pcp_text_req_type_tree = proto_item_add_subtree(pcp_text_req_type_item, ett_pcp);
|
|
bits_offset = offset * 8 + 28;
|
|
proto_tree_add_bits_item(pcp_text_req_type_tree, hf_pcp_text_type_ident, tvb, bits_offset, 2, ENC_BIG_ENDIAN);
|
|
bits_offset += 2;
|
|
proto_tree_add_bits_item(pcp_text_req_type_tree, hf_pcp_text_type_format, tvb, bits_offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset += 4;
|
|
return offset;
|
|
}
|
|
|
|
/* TEXT packet format
|
|
int ident
|
|
int buflen
|
|
char buffer
|
|
*/
|
|
static int dissect_pcp_message_text(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_text_item;
|
|
proto_tree *pcp_text_tree;
|
|
guint32 buflen;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_TEXT, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_text_item = proto_tree_add_item(tree, hf_pcp_text, tvb, offset, -1, ENC_NA);
|
|
pcp_text_tree = proto_item_add_subtree(pcp_text_item, ett_pcp);
|
|
|
|
/* ident */
|
|
proto_tree_add_item(pcp_text_tree, hf_pcp_text_ident, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* buflen */
|
|
buflen = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(pcp_text_tree, hf_pcp_text_buflen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* buffer */
|
|
proto_tree_add_item(pcp_text_tree, hf_pcp_text_buffer, tvb, offset, buflen, ENC_ASCII|ENC_NA);
|
|
offset += buflen;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* USER_AUTH packet format
|
|
int ident
|
|
int buflen
|
|
char buffer
|
|
*/
|
|
static int dissect_pcp_message_user_auth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_USER_AUTH, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
proto_tree_add_item(tree, hf_pcp_user_auth_payload, tvb, offset, -1, ENC_NA);
|
|
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
|
|
/* LABEL_REQ packet format
|
|
int ident
|
|
int type
|
|
*/
|
|
static int dissect_pcp_message_label_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_LABEL_REQ, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
proto_item *pcp_label_req_item = proto_tree_add_item(tree, hf_pcp_label_req, tvb, offset, -1, ENC_NA);
|
|
proto_tree *pcp_label_req_tree = proto_item_add_subtree(pcp_label_req_item, ett_pcp);
|
|
|
|
/* ident */
|
|
proto_tree_add_item(pcp_label_req_tree, hf_pcp_label_ident, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* type */
|
|
proto_tree_add_item(pcp_label_req_tree, hf_pcp_label_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* LABEL packet format
|
|
int ident
|
|
int type
|
|
int padding;
|
|
int nsets;
|
|
labelset_t sets[1];
|
|
|
|
|
|> int inst
|
|
int nlabels
|
|
int json
|
|
int jsonlen
|
|
pmLabel labels[0]
|
|
*/
|
|
static int dissect_pcp_message_label(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_LABEL, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
proto_item *pcp_label_item = proto_tree_add_item(tree, hf_pcp_label, tvb, offset, -1, ENC_NA);
|
|
proto_tree *pcp_label_tree = proto_item_add_subtree(pcp_label_item, ett_pcp);
|
|
|
|
/* ident */
|
|
proto_tree_add_item(pcp_label_tree, hf_pcp_label_ident, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* type */
|
|
proto_tree_add_item(pcp_label_tree, hf_pcp_label_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* padding */
|
|
proto_tree_add_item(pcp_label_tree, hf_pcp_label_padding, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* number of label sets */
|
|
gint32 nsets;
|
|
proto_tree_add_item_ret_int(pcp_label_tree, hf_pcp_label_nsets, tvb, offset, 4, ENC_NA, &nsets);
|
|
offset += 4;
|
|
|
|
|
|
for (gint32 i = 0; i < nsets; i++) {
|
|
offset = dissect_pcp_partial_labelset(tvb, pcp_label_tree, pinfo, offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* INSTANCE packet type
|
|
pmInDom indom
|
|
int numinst
|
|
instlist_t instlist[numinst]
|
|
|
|
|
|> int inst
|
|
int namelen
|
|
char name
|
|
*/
|
|
static int dissect_pcp_message_instance(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_instances_item;
|
|
proto_tree *pcp_instances_tree;
|
|
proto_item *pcp_instance_item;
|
|
proto_tree *pcp_instance_tree;
|
|
guint32 num_inst;
|
|
guint32 i;
|
|
guint32 name_len;
|
|
guint32 padding;
|
|
|
|
/* append the type of packet */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[%s]", val_to_str(PCP_PDU_INSTANCE, packettypenames, "Unknown Type:0x%02x"));
|
|
|
|
pcp_instances_item = proto_tree_add_item(tree, hf_pcp_instances, tvb, offset, -1, ENC_NA);
|
|
pcp_instances_tree = proto_item_add_subtree(pcp_instances_item, ett_pcp);
|
|
|
|
/* indom */
|
|
proto_tree_add_item(pcp_instances_tree, hf_pcp_instance_indom, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* numinst */
|
|
proto_tree_add_item(pcp_instances_tree, hf_pcp_instances_numinst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
num_inst = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* instlist */
|
|
for (i=0; i<num_inst; i++) {
|
|
/* get the size of the name first, so we know how much offset to give */
|
|
name_len = tvb_get_ntohl(tvb, offset+4);
|
|
|
|
/* give the subtree name length + 2 ints */
|
|
pcp_instance_item = proto_tree_add_item(pcp_instances_tree, hf_pcp_instance, tvb, offset, name_len+8, ENC_NA);
|
|
pcp_instance_tree = proto_item_add_subtree(pcp_instance_item, ett_pcp);
|
|
|
|
/* inst */
|
|
proto_tree_add_item(pcp_instance_tree, hf_pcp_pmid_inst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* namelen */
|
|
proto_tree_add_item(pcp_instance_tree, hf_pcp_instance_namelen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* name */
|
|
if (name_len > 0) {
|
|
proto_tree_add_item(pcp_instance_tree, hf_pcp_instance_name, tvb, offset, name_len, ENC_ASCII|ENC_NA);
|
|
offset += name_len;
|
|
}
|
|
|
|
/* padding */
|
|
padding = name_len % 4; /* names are padded to the nearest 4 byte boundary */
|
|
if (padding != 0) { /* if there is padding, keep going till the remainder of mod 4 */
|
|
padding = 4 - padding; /* we want the inverse of the remainder */
|
|
|
|
proto_tree_add_item(pcp_instance_tree, hf_pcp_pdu_padding, tvb, offset, padding, ENC_NA);
|
|
offset += padding;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* PARTIAL DISSECTOR ROUTINES
|
|
these routines are called by dissect_pcp_message_* as needed
|
|
*/
|
|
|
|
static int dissect_pcp_partial_pmid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_pmid_item;
|
|
proto_tree *pcp_pmid_tree;
|
|
guint32 bits_offset;
|
|
guint32 pmid;
|
|
guint8 *name;
|
|
|
|
bits_offset = offset * 8;
|
|
|
|
pmid = tvb_get_ntohl(tvb, offset);
|
|
name = get_name_from_pmid(pmid, pinfo);
|
|
|
|
/* subtree for pmid */
|
|
pcp_pmid_item = proto_tree_add_item(tree, hf_pcp_pmid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(pcp_pmid_item, " (%s)", name);
|
|
pcp_pmid_tree = proto_item_add_subtree(pcp_pmid_item, ett_pcp);
|
|
|
|
/* flag - 1 bit */
|
|
proto_tree_add_bits_item(pcp_pmid_tree, hf_pcp_pmid_flag, tvb, bits_offset, 1, ENC_BIG_ENDIAN);
|
|
bits_offset += 1;
|
|
/* domain - 9 bits */
|
|
proto_tree_add_bits_item(pcp_pmid_tree, hf_pcp_pmid_domain, tvb, bits_offset, 9, ENC_BIG_ENDIAN);
|
|
bits_offset += 9;
|
|
/* cluster - 12 bits */
|
|
proto_tree_add_bits_item(pcp_pmid_tree, hf_pcp_pmid_cluster, tvb, bits_offset, 12, ENC_BIG_ENDIAN);
|
|
bits_offset += 12;
|
|
/* item - 10 bits */
|
|
proto_tree_add_bits_item(pcp_pmid_tree, hf_pcp_pmid_item, tvb, bits_offset, 10, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_pcp_partial_when(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *pcp_when_item;
|
|
proto_tree *pcp_when_tree;
|
|
|
|
/* when - create a new subtree for each val */
|
|
pcp_when_item = proto_tree_add_item(tree, hf_pcp_when, tvb, offset, 8, ENC_NA);
|
|
pcp_when_tree = proto_item_add_subtree(pcp_when_item, ett_pcp);
|
|
|
|
/* when tv_sec */
|
|
proto_tree_add_item(pcp_when_tree, hf_pcp_when_sec, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* when tv_usec */
|
|
proto_tree_add_item(pcp_when_tree, hf_pcp_when_usec, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_pcp_partial_features(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
guint16 feature_flags;
|
|
const gchar *feature_flags_string;
|
|
|
|
static const int * pcp_feature_flags_header_fields[] = {
|
|
&hf_pcp_features_flags_labels,
|
|
&hf_pcp_features_flags_bad_label,
|
|
&hf_pcp_features_flags_cert_reqd,
|
|
&hf_pcp_features_flags_container,
|
|
&hf_pcp_features_flags_no_nss_init,
|
|
&hf_pcp_features_flags_secure_ack,
|
|
&hf_pcp_features_flags_creds_reqd,
|
|
&hf_pcp_features_flags_auth,
|
|
&hf_pcp_features_flags_compress,
|
|
&hf_pcp_features_flags_secure,
|
|
NULL
|
|
};
|
|
|
|
feature_flags = tvb_get_ntohs(tvb, offset);
|
|
feature_flags_string = get_pcp_features_to_string(feature_flags);
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Features=[%s]", feature_flags_string);
|
|
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_pcp_features_flags, ett_pcp_start_features, pcp_feature_flags_header_fields, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
if ((feature_flags & PCP_PDU_FLAG_LABELS) == PCP_PDU_FLAG_LABELS && server_to_client(pinfo)) {
|
|
pcp_conv_info_t *pcp_conv_info = get_pcp_conversation_info(pinfo);
|
|
pcp_conv_info->using_good_labels = TRUE;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int dissect_pcp_partial_labelset(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, int offset)
|
|
{
|
|
proto_item *pcp_label_sets_item = proto_tree_add_item(tree, hf_pcp_label_sets, tvb, offset, -1, ENC_NA);
|
|
proto_tree *pcp_label_sets_tree = proto_item_add_subtree(pcp_label_sets_item, ett_pcp);
|
|
|
|
/* Instance */
|
|
proto_tree_add_item(pcp_label_sets_tree, hf_pcp_label_sets_inst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Number of labels or error */
|
|
gint32 nlabels_or_error = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(pcp_label_sets_tree, hf_pcp_label_sets_nlabels, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
if (nlabels_or_error < 0) {
|
|
expert_add_info(pinfo, pcp_label_sets_tree, &ei_pcp_label_error);
|
|
}
|
|
|
|
/* Offset to start of JSON */
|
|
guint32 json_start_offset = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(pcp_label_sets_tree, hf_pcp_label_sets_json, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Length of JSON string */
|
|
proto_tree_add_item(pcp_label_sets_tree, hf_pcp_label_sets_jsonlen, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* pmLabels */
|
|
for (gint i = 0; i < nlabels_or_error; i++) {
|
|
offset = dissect_pcp_partial_label(tvb, pinfo, pcp_label_sets_tree, offset, json_start_offset);
|
|
}
|
|
|
|
/* Fix up end length */
|
|
proto_item_set_end(pcp_label_sets_item, tvb, offset);
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
static int dissect_pcp_partial_label(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint32 json_start_offset)
|
|
{
|
|
proto_item *pcp_label_sets_label_item = proto_tree_add_item(tree, hf_pcp_label_sets_labels, tvb, offset, -1, ENC_NA);
|
|
proto_tree *pcp_label_sets_label_tree = proto_item_add_subtree(pcp_label_sets_label_item, ett_pcp);
|
|
|
|
/* Name offset*/
|
|
guint16 name_offset = tvb_get_guint16(tvb, offset, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_nameoffset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Name length */
|
|
guint32 name_length = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_namelen, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
/* Flags */
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_flags, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
/* Value offset */
|
|
guint16 value_offset = tvb_get_guint16(tvb, offset, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_valueoffset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Value Length */
|
|
guint16 value_length = tvb_get_guint16(tvb, offset, ENC_BIG_ENDIAN);
|
|
/* Value length was not correctly converted to network-byte order in pcp v4.0.0-v4.0.1, it was encoded with whatever
|
|
* byte order the host uses. We try and pick this up and accommodate either by detecting the feature off the START PDU
|
|
* and failing that, check if the offset+length would be greater than the length of the captured packets. This isn't
|
|
* exhaustive but there is not much else to do apart from _only_ dissecting the known good LABEL PDUs.
|
|
*/
|
|
if(is_using_good_labels(pinfo)) {
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_valuelen, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
else if(label_value_length_looks_like_wrong_endianness(tvb, value_offset, value_length)) {
|
|
/* We're _probably_ using the wrong endianness but we didn't capture the initial exchange to find out */
|
|
value_length = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_valuelen, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
expert_add_info(pinfo, pcp_label_sets_label_tree, &ei_pcp_label_error_endianness);
|
|
} else {
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_valuelen, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_add_info(pinfo, pcp_label_sets_label_tree, &ei_pcp_label_error_endianness);
|
|
}
|
|
offset += 2;
|
|
|
|
/* Name */
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_name, tvb, json_start_offset + name_offset, name_length, ENC_ASCII | ENC_NA);
|
|
|
|
/* Value */
|
|
proto_tree_add_item(pcp_label_sets_label_tree, hf_pcp_label_sets_labels_value, tvb, json_start_offset + value_offset, value_length, ENC_ASCII | ENC_NA);
|
|
|
|
/* Add to subtree */
|
|
guint8 *name = tvb_get_string_enc(wmem_packet_scope(), tvb, json_start_offset + name_offset, name_length, ENC_ASCII | ENC_NA);
|
|
guint8 *value = tvb_get_string_enc(wmem_packet_scope(), tvb, json_start_offset + value_offset, value_length, ENC_ASCII | ENC_NA);
|
|
proto_item_append_text(pcp_label_sets_label_item, " (%s:%s)", name, value);
|
|
|
|
proto_item_set_end(pcp_label_sets_label_item, tvb, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static gboolean is_using_good_labels(packet_info *pinfo)
|
|
{
|
|
/* Try to establish if we've got good labels from an earlier START PDU */
|
|
return get_pcp_conversation_info(pinfo)->using_good_labels;
|
|
}
|
|
|
|
static gboolean label_value_length_looks_like_wrong_endianness(tvbuff_t *tvb, guint16 value_offset, guint16 value_length)
|
|
{
|
|
/* Try to detect if the offset + length is greater than the TVB length which may happen with a
|
|
* wrongly-encoded endianness. This may fail in some cases if the label is early on in the frame and has
|
|
* many other labels that wouldn't push it over of the TVB length.
|
|
*/
|
|
return tvb_reported_length(tvb) < ((guint)value_offset + (guint)value_length);
|
|
}
|
|
|
|
/* MAIN DISSECTING ROUTINE (after passed from dissect_tcp, all non-ssl packets hit function) */
|
|
static int dissect_pcp_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *root_pcp_item;
|
|
proto_tree *pcp_tree;
|
|
conversation_t *conversation;
|
|
pcp_conv_info_t *pcp_conv_info;
|
|
guint32 packet_type;
|
|
gint32 err_bytes;
|
|
int offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PCP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
|
|
conversation = find_or_create_conversation(pinfo);
|
|
|
|
pcp_conv_info = (pcp_conv_info_t*)conversation_get_proto_data(conversation, proto_pcp);
|
|
|
|
if(pcp_conv_info == NULL) {
|
|
pcp_conv_info = (pcp_conv_info_t*)wmem_alloc(wmem_file_scope(), sizeof(pcp_conv_info_t));
|
|
conversation_add_proto_data(conversation, proto_pcp, pcp_conv_info);
|
|
|
|
pcp_conv_info->pmid_name_candidates = wmem_array_new(wmem_file_scope(), sizeof(guint8 *));
|
|
pcp_conv_info->pmid_to_name = wmem_map_new(wmem_file_scope(), g_direct_hash, g_direct_equal);
|
|
pcp_conv_info->last_pmns_names_frame = 0;
|
|
pcp_conv_info->last_processed_pmns_names_frame = 0;
|
|
pcp_conv_info->using_good_labels = FALSE;
|
|
}
|
|
|
|
root_pcp_item = proto_tree_add_item(tree, proto_pcp, tvb, 0, -1, ENC_NA);
|
|
pcp_tree = proto_item_add_subtree(root_pcp_item, ett_pcp);
|
|
|
|
packet_type = tvb_get_ntohl(tvb, 4);
|
|
|
|
/* check if we are the client requesting or the server */
|
|
if (server_to_client(pinfo)) {
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Server > Client ");
|
|
} else {
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Client > Server ");
|
|
}
|
|
|
|
/* PCP packet length */
|
|
proto_tree_add_item(pcp_tree, hf_pcp_pdu_length, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* PCP Packet type */
|
|
proto_tree_add_item(pcp_tree, hf_pcp_pdu_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
/* PCP Remote PID */
|
|
proto_tree_add_item(pcp_tree, hf_pcp_pdu_pid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* dissect the rest of the packet depending on the type */
|
|
switch (packet_type) {
|
|
case PCP_PDU_CREDS:
|
|
dissect_pcp_message_creds(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_START_OR_ERROR:
|
|
err_bytes = tvb_get_ntohl(tvb, offset); /* get the first 4 bytes, determine if this is an error or not */
|
|
/* errors are signed and are all negative so check for a negative number.
|
|
It's the only way we can differentiate between start/error packets */
|
|
if (err_bytes < 0) {
|
|
dissect_pcp_message_error(tvb, pinfo, pcp_tree, offset);
|
|
} else {
|
|
dissect_pcp_message_start(tvb, pinfo, pcp_tree, offset);
|
|
}
|
|
break;
|
|
|
|
case PCP_PDU_PMNS_TRAVERSE:
|
|
dissect_pcp_message_pmns_traverse(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_PMNS_NAMES:
|
|
dissect_pcp_message_pmns_names(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_PMNS_CHILD:
|
|
dissect_pcp_message_pmns_child(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_PMNS_IDS:
|
|
dissect_pcp_message_pmns_ids(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_PROFILE:
|
|
dissect_pcp_message_profile(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_FETCH:
|
|
dissect_pcp_message_fetch(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_RESULT:
|
|
dissect_pcp_message_result(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_DESC_REQ:
|
|
dissect_pcp_message_desc_req(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_DESC:
|
|
dissect_pcp_message_desc(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_INSTANCE_REQ:
|
|
dissect_pcp_message_instance_req(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_INSTANCE:
|
|
dissect_pcp_message_instance(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_TEXT_REQ:
|
|
dissect_pcp_message_text_req(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_TEXT:
|
|
dissect_pcp_message_text(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_USER_AUTH:
|
|
dissect_pcp_message_user_auth(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_LABEL_REQ:
|
|
dissect_pcp_message_label_req(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
case PCP_PDU_LABEL:
|
|
dissect_pcp_message_label(tvb, pinfo, pcp_tree, offset);
|
|
break;
|
|
|
|
default:
|
|
/* append the type of packet */
|
|
col_append_str(pinfo->cinfo, COL_INFO, "[UNIMPLEMENTED TYPE]");
|
|
/* if we got here, then we didn't get a packet type that we know of */
|
|
expert_add_info(pinfo, pcp_tree, &ei_pcp_unimplemented_packet_type);
|
|
break;
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static int dissect_pcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
/* pass all packets through TCP-reassembly */
|
|
tcp_dissect_pdus(tvb, pinfo, tree, TRUE, PCP_HEADER_LEN, get_pcp_message_len, dissect_pcp_message, data);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* setup the dissecting */
|
|
void proto_register_pcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_pcp_pdu_length,
|
|
{ "PDU Length", "pcp.length",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pdu_type,
|
|
{ "Type", "pcp.type",
|
|
FT_UINT32, BASE_HEX,
|
|
VALS(packettypenames), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pdu_pid,
|
|
{ "From", "pcp.from",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pdu_error,
|
|
{ "Error", "pcp.error",
|
|
FT_INT32, BASE_DEC,
|
|
VALS(packettypenames_errors), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pdu_padding,
|
|
{ "Padding", "pcp.padding",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_creds_number_of,
|
|
{ "Number of Credentials", "pcp.creds.number",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_creds_type,
|
|
{ "Credentials Type", "pcp.creds.type",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(packettypenames_creds), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_creds_version,
|
|
{ "Credentials Version", "pcp.creds.version",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_start,
|
|
{ "Start", "pcp.start",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_start_zero,
|
|
{ "Start Bit", "pcp.start.zero",
|
|
FT_BOOLEAN, 8,
|
|
TFS(&tfs_set_notset), 0x80,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_start_version,
|
|
{ "Version", "pcp.start.version",
|
|
FT_UINT8, BASE_DEC, /* not a real 8 bit int, only uses 7 bits */
|
|
NULL, 0x7F,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_start_status,
|
|
{ "Start Status", "pcp.start.status",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_start_licensed,
|
|
{ "Licensed", "pcp.start.licensed",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags,
|
|
{ "Features", "pcp.features.flags",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_secure,
|
|
{ "Secure", "pcp.features.flags.secure",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_SECURE,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_compress,
|
|
{ "Compression", "pcp.features.flags.compression",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_COMPRESS,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_auth,
|
|
{ "Authentication", "pcp.features.flags.auth",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_AUTH,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_creds_reqd,
|
|
{ "Credentials Required", "pcp.features.flags.creds_reqd",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_CREDS_REQD,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_secure_ack,
|
|
{ "Secure Acknowledgement", "pcp.features.flags.secure_ack",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_SECURE_ACK,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_no_nss_init,
|
|
{ "No NSS Init", "pcp.features.flags.no_nss_init",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_NO_NSS_INIT,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_container,
|
|
{ "Container", "pcp.features.flags.container",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_CONTAINER,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_cert_reqd,
|
|
{ "Certificate Required", "pcp.features.flags.cert_reqd",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_CERT_REQD,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_bad_label,
|
|
{ "Bad Label", "pcp.features.flags.bad_label",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_BAD_LABEL,
|
|
"Legacy label support. Incorrectly implemented in pcp v4.0.0-v4.0.1", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_features_flags_labels,
|
|
{ "Labels", "pcp.features.flags.labels",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), PCP_PDU_FLAG_LABELS,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_traverse,
|
|
{ "PMNS Traverse", "pcp.pmns_traverse",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_subtype,
|
|
{ "Subtype", "pcp.pmns.subtype",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_namelen,
|
|
{ "Name Length", "pcp.pmns.namelen",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_name,
|
|
{ "Name", "pcp.pmns.name",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names,
|
|
{ "PMNS Names", "pcp.pmns_names",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_nstrbytes,
|
|
{ "String Bytes", "pcp.pmns_names.nstrbytes",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_numstatus,
|
|
{ "Status", "pcp.pmns_names.numstatus",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_numnames,
|
|
{ "Number of Names", "pcp.pmns_names.numnames",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_nametree,
|
|
{ "Names", "pcp.pmns_names.nametree",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_nametree_status,
|
|
{ "Status", "pcp.pmns_names.nametree.status",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_nametree_namelen,
|
|
{ "Length", "pcp.pmns_names.nametree.namelen",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_names_nametree_name,
|
|
{ "Name", "pcp.pmns_names.nametree.name",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_ids,
|
|
{ "PMNS IDs", "pcp.pmns_ids",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_ids_status,
|
|
{ "Status", "pcp.pmns_ids.status",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_ids_numids,
|
|
{ "Number of IDs", "pcp.pmns_ids.numids",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmns_child,
|
|
{ "PMID Child", "pcp.pmns.child",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid,
|
|
{ "PMID", "pcp.pmid",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_flag,
|
|
{ "Flag", "pcp.pmid.flag",
|
|
FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_domain,
|
|
{ "Domain", "pcp.pmid.domain",
|
|
FT_UINT16, BASE_DEC, /* uses 9 bits */
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_cluster,
|
|
{ "Cluster", "pcp.pmid.cluster",
|
|
FT_UINT16, BASE_DEC, /* uses 12 bits */
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_item,
|
|
{ "Item", "pcp.pmid.item",
|
|
FT_UINT16, BASE_DEC, /* uses 10 bits */
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_type,
|
|
{ "Type", "pcp.pmid.type",
|
|
FT_INT8, BASE_DEC,
|
|
VALS(packettypenames_pm_types), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_sem,
|
|
{ "Type Semantics", "pcp.pmid.sem",
|
|
FT_UINT32, BASE_DEC,
|
|
VALS(packettypenames_pm_types_sem), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_pmid_inst,
|
|
{ "Instance", "pcp.pmid.inst",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile,
|
|
{ "Profile", "pcp.profile",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_ctxnum,
|
|
{ "Context Number", "pcp.ctxnum",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile_g_state,
|
|
{ "Global Include/Exclude State", "pcp.profile.g_state",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile_numprof,
|
|
{ "Number of Profiles", "pcp.profile.numprof",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile_profile,
|
|
{ "Each Profile", "pcp.profile.profile",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile_profile_state,
|
|
{ "Include/Exclude State", "pcp.profile.profile.state",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_profile_profile_numinst,
|
|
{ "Number Instances to Follow", "pcp.profile.profile.numinst",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_fetch,
|
|
{ "Fetch", "pcp.fetch",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_fetch_numpmid,
|
|
{ "Number PMIDs", "pcp.fetch.numpmid",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_when,
|
|
{ "Time Value", "pcp.when",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_when_sec,
|
|
{ "Seconds", "pcp.when.sec",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_when_usec,
|
|
{ "Microseconds", "pcp.when.usec",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_desc_req,
|
|
{ "Description Request", "pcp.desc_req",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_desc,
|
|
{ "Description Response", "pcp.desc",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units,
|
|
{ "PMID Units", "pcp.units",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_dimspace,
|
|
{ "Dimension Space", "pcp.units.dimspace",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_dimtime,
|
|
{ "Dimension Time", "pcp.units.dimtime",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_dimcount,
|
|
{ "Dimension Count", "pcp.units.dimcount",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_scalespace,
|
|
{ "Scale Space", "pcp.units.scalespace",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(packettypenames_pm_units_space), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_scaletime,
|
|
{ "Scale Time", "pcp.units.scalespace",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(packettypenames_pm_units_time), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_units_scalecount,
|
|
{ "Scale Count", "pcp.units.scalecount",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_req,
|
|
{ "Instance Request", "pcp.instance_req",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instances,
|
|
{ "Instance Response", "pcp.instances",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instances_numinst,
|
|
{ "Number of Instances", "pcp.instance_resp.numinst",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance,
|
|
{ "Instance", "pcp.instance",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_namelen,
|
|
{ "Name Length", "pcp.instance.namelen",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_name,
|
|
{ "Name", "pcp.instance.name",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_indom,
|
|
{ "Instance Domain", "pcp.instance.indom",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_valoffset,
|
|
{ "Instance Offset", "pcp.instance.valoffset",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_vallength,
|
|
{ "Instance Value Length", "pcp.instance.vallength",
|
|
FT_INT24, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_insitu,
|
|
{ "Instance Value", "pcp.instance.value.uint",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_ptr,
|
|
{ "Instance Value", "pcp.instance.value.string",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_int,
|
|
{ "Instance Value", "pcp.instance.value.int",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_uint,
|
|
{ "Instance Value", "pcp.instance.value.uint",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_int64,
|
|
{ "Instance Value", "pcp.instance.value.int64",
|
|
FT_INT64, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_uint64,
|
|
{ "Instance Value", "pcp.instance.value.uint64",
|
|
FT_UINT64, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_float,
|
|
{ "Instance Value", "pcp.instance.value.float",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_double,
|
|
{ "Instance Value", "pcp.instance.value.float",
|
|
FT_DOUBLE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_instance_value_aggr,
|
|
{ "Instance Value", "pcp.instance.value.bytes",
|
|
FT_BYTES, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_results,
|
|
{ "Fetch Results", "pcp.results",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_results_numpmid,
|
|
{ "Number of PMIDs", "pcp.results.numpmid",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_result,
|
|
{ "Result", "pcp.result",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_result_numval,
|
|
{ "Number of Values", "pcp.result.numval",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_result_valfmt,
|
|
{ "Value Encoding Format", "pcp.result.valfmt",
|
|
FT_UINT32, BASE_DEC,
|
|
VALS(packettypenames_valfmt), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_req,
|
|
{ "Text Request", "pcp.text_req",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_type,
|
|
{ "Help Text Type", "pcp.text.type",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_type_format,
|
|
{ "Text Type Format", "pcp.text.type.format",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(packettypenames_text_type_format), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_type_ident,
|
|
{ "Text Type Ident", "pcp.text.type.ident",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(packettypenames_text_type_ident), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text,
|
|
{ "Text Response", "pcp.text",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_ident,
|
|
{ "Text Ident (raw)", "pcp.text.ident",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_buflen,
|
|
{ "Text Buffer Length", "pcp.text.buflen",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_text_buffer,
|
|
{ "Text Buffer", "pcp.text.buffer",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_user_auth_payload,
|
|
{ "User Authentication Payload", "pcp.user_auth_payload",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_req,
|
|
{ "Label Request", "pcp.label_req",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_ident,
|
|
{ "Label Ident", "pcp.label.ident",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Domain, PMID or pmInDom identifier", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_type,
|
|
{ "Label Type", "pcp.label.type",
|
|
FT_INT32, BASE_DEC,
|
|
VALS(packettypenames_label_req_type), 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label,
|
|
{ "Labels", "pcp.label",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_padding,
|
|
{ "Padding", "pcp.label.padding",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_nsets,
|
|
{ "Num Label Sets", "pcp.label.nsets",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Number of Label Sets", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets,
|
|
{ "Label Set", "pcp.label.sets",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_inst,
|
|
{ "Instance", "pcp.label.sets.inst",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Instance identifier or PM_IN_NULL", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_nlabels,
|
|
{ "Num of Labels", "pcp.label.sets.nlabels",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Number of labels or error code", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_json,
|
|
{ "JSON Offset", "pcp.label.sets.json",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Offset to start of JSON string", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_jsonlen,
|
|
{ "JSON Length", "pcp.label.sets.jsonlen",
|
|
FT_INT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Length of bytes of the JSON string", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels,
|
|
{ "Label", "pcp.label.sets.label",
|
|
FT_NONE, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_nameoffset,
|
|
{ "Name Offset", "pcp.label.sets.label.nameoffset",
|
|
FT_INT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Label name offset in the JSONB string", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_namelen,
|
|
{ "Name Length", "pcp.label.sets.label.namelen",
|
|
FT_INT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Length of name excluding NULL terminator", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_flags,
|
|
{ "Flags", "pcp.label.sets.label.flags",
|
|
FT_INT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Information about this label", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_valueoffset,
|
|
{ "Value Offset", "pcp.label.sets.label.valueoffset",
|
|
FT_INT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Offset of the label value", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_valuelen,
|
|
{ "Value Length", "pcp.label.sets.label.valuelen",
|
|
FT_INT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Length of the value in bytes", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_name,
|
|
{ "Name", "pcp.label.sets.label.name",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Label name", HFILL
|
|
}
|
|
},
|
|
{ &hf_pcp_label_sets_labels_value,
|
|
{ "Value", "pcp.label.sets.label.value",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Label value", HFILL
|
|
}
|
|
},
|
|
|
|
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_pcp,
|
|
&ett_pcp_pdu_length,
|
|
&ett_pcp_pdu_type,
|
|
&ett_pcp_pdu_pid,
|
|
&ett_pcp_pdu_error,
|
|
&ett_pcp_pdu_padding,
|
|
&ett_pcp_creds_number_of,
|
|
&ett_pcp_creds_type,
|
|
&ett_pcp_creds_vala,
|
|
&ett_pcp_creds_valb,
|
|
&ett_pcp_creds_valc,
|
|
&ett_pcp_start,
|
|
&ett_pcp_start_status,
|
|
&ett_pcp_start_zero,
|
|
&ett_pcp_start_version,
|
|
&ett_pcp_start_licensed,
|
|
&ett_pcp_start_features,
|
|
&ett_pcp_pmns_traverse,
|
|
&ett_pcp_pmns_subtype,
|
|
&ett_pcp_pmns_namelen,
|
|
&ett_pcp_pmns_name,
|
|
&ett_pcp_pmns_names,
|
|
&ett_pcp_pmns_names_nstrbytes,
|
|
&ett_pcp_pmns_names_numstatus,
|
|
&ett_pcp_pmns_names_numnames,
|
|
&ett_pcp_pmns_names_nametree,
|
|
&ett_pcp_pmns_names_nametree_status,
|
|
&ett_pcp_pmns_names_nametree_namelen,
|
|
&ett_pcp_pmns_names_nametree_name,
|
|
&ett_pcp_pmns_ids,
|
|
&ett_pcp_pmns_ids_status,
|
|
&ett_pcp_pmns_ids_numids,
|
|
&ett_pcp_pmns_child,
|
|
&ett_pcp_pmid,
|
|
&ett_pcp_pmid_flag,
|
|
&ett_pcp_pmid_domain,
|
|
&ett_pcp_pmid_cluster,
|
|
&ett_pcp_pmid_item,
|
|
&ett_pcp_pmid_type,
|
|
&ett_pcp_pmid_sem,
|
|
&ett_pcp_profile,
|
|
&ett_pcp_ctxnum,
|
|
&ett_pcp_profile_g_state,
|
|
&ett_pcp_profile_numprof,
|
|
&ett_pcp_profile_profile,
|
|
&ett_pcp_profile_profile_state,
|
|
&ett_pcp_profile_profile_numinst,
|
|
&ett_pcp_fetch,
|
|
&ett_pcp_fetch_numpmid,
|
|
&ett_pcp_when,
|
|
&ett_pcp_when_sec,
|
|
&ett_pcp_when_usec,
|
|
&ett_pcp_desc_req,
|
|
&ett_pcp_units,
|
|
&ett_pcp_units_dimspace,
|
|
&ett_pcp_units_dimtime,
|
|
&ett_pcp_units_dimcount,
|
|
&ett_pcp_units_scalespace,
|
|
&ett_pcp_units_scaletime,
|
|
&ett_pcp_units_scalecount,
|
|
&ett_pcp_instance,
|
|
&ett_pcp_instance_req,
|
|
&ett_pcp_instance_namelen,
|
|
&ett_pcp_instance_name,
|
|
&ett_pcp_instance_indom,
|
|
&ett_pcp_instance_inst,
|
|
&ett_pcp_instance_valoffset,
|
|
&ett_pcp_instance_vallength,
|
|
&ett_pcp_instance_value_insitu,
|
|
&ett_pcp_instance_value_ptr,
|
|
&ett_pcp_instance_value_int,
|
|
&ett_pcp_instance_value_uint,
|
|
&ett_pcp_instance_value_int64,
|
|
&ett_pcp_instance_value_uint64,
|
|
&ett_pcp_instance_value_float,
|
|
&ett_pcp_instance_value_double,
|
|
&ett_pcp_instance_value_aggr,
|
|
&ett_pcp_instances,
|
|
&ett_pcp_instances_numinst,
|
|
&ett_pcp_results,
|
|
&ett_pcp_results_numpmid,
|
|
&ett_pcp_result,
|
|
&ett_pcp_result_numval,
|
|
&ett_pcp_result_valfmt,
|
|
&ett_pcp_text_req,
|
|
&ett_pcp_text_type,
|
|
&ett_pcp_text_type_format,
|
|
&ett_pcp_text_type_ident,
|
|
&ett_pcp_text,
|
|
&ett_pcp_text_ident,
|
|
&ett_pcp_text_buflen,
|
|
&ett_pcp_text_buffer,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_pcp_type_event_unimplemented, { "pcp.pmid.type.event.unimplemented", PI_UNDECODED, PI_WARN, "PM_TYPE_EVENT: Unimplemented Value Type", EXPFILL }},
|
|
{ &ei_pcp_type_nosupport_unsupported, { "pcp.pmid.type.nosupport.unsupported", PI_UNDECODED, PI_WARN, "PM_TYPE_NOSUPPORT: Unsupported Value Type", EXPFILL }},
|
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{ &ei_pcp_type_unknown_unknown_value, { "pcp.pmid.type.unknown.unknown_value", PI_UNDECODED, PI_WARN, "PM_TYPE_UNKNOWN: Unknown Value Type", EXPFILL }},
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|
{ &ei_pcp_unimplemented_value, { "pcp.pmid.type.unimplemented", PI_UNDECODED, PI_WARN, "Unimplemented Value Type", EXPFILL }},
|
|
{ &ei_pcp_unimplemented_packet_type, { "pcp.type.unimplemented", PI_UNDECODED, PI_WARN, "Unimplemented Packet Type", EXPFILL }},
|
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{ &ei_pcp_ssl_upgrade, { "pcp.ssl_upgrade", PI_COMMENTS_GROUP, PI_COMMENT, "SSL upgrade via SECURE_ACK", EXPFILL }},
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{ &ei_pcp_ssl_upgrade_failed, { "pcp.ssl_upgrade_failed", PI_RESPONSE_CODE, PI_WARN, "SSL upgrade via SECURE_ACK failed", EXPFILL }},
|
|
{ &ei_pcp_label_error, { "pcp.label.error", PI_RESPONSE_CODE, PI_NOTE, "Label returned an error", EXPFILL }},
|
|
{ &ei_pcp_label_error_endianness, { "pcp.label.error.endianness", PI_RESPONSE_CODE, PI_NOTE, "Value length has been decoded without knowing the endianness. It has been attempted to be detected but may be wrong", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_pcp;
|
|
|
|
proto_pcp = proto_register_protocol("Performance Co-Pilot", "PCP", "pcp");
|
|
|
|
expert_pcp = expert_register_protocol(proto_pcp);
|
|
expert_register_field_array(expert_pcp, ei, array_length(ei));
|
|
|
|
proto_register_field_array(proto_pcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
pcp_handle = register_dissector("pcp", dissect_pcp, proto_pcp);
|
|
}
|
|
|
|
void proto_reg_handoff_pcp(void)
|
|
{
|
|
dissector_add_uint_with_preference("tcp.port", PCP_PORT, pcp_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|