1894 lines
80 KiB
C
1894 lines
80 KiB
C
/* packet-srvloc.c
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* Routines for SRVLOC (Service Location Protocol) packet dissection
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* Copyright 1999, James Coe <jammer@cin.net>
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* Copyright 2002, Brad Hards
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* Updated for TCP segments by Greg Morris <gmorris@novell.com>
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* Copyright 2003, Greg Morris
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*
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* NOTE: This is Alpha software not all features have been verified yet.
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* In particular I have not had an opportunity to see how it
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* responds to SRVLOC over TCP.
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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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* Service Location Protocol is RFC 2165
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* Service Location Protocol Version 2 is RFC 2608
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* - partial support by Brad Hards <bradh@frogmouth.net>
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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 <stdio.h> /* for sscanf() */
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#include <stdlib.h> /* for strtoul() */
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include "packet-tcp.h"
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#include <epan/expert.h>
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void proto_register_srvloc(void);
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void proto_reg_handoff_srvloc(void);
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static gboolean srvloc_desegment = TRUE;
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static int proto_srvloc = -1;
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static int hf_srvloc_version = -1;
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static int hf_srvloc_function = -1;
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static int hf_srvloc_pktlen = -1;
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static int hf_srvloc_xid = -1;
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static int hf_srvloc_langtaglen = -1;
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static int hf_srvloc_langtag = -1;
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static int hf_srvloc_nextextoff = -1;
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static int hf_srvloc_flags_v1 = -1;
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static int hf_srvloc_flags_v1_overflow = -1;
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static int hf_srvloc_flags_v1_monolingual = -1;
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static int hf_srvloc_flags_v1_url_auth = -1;
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static int hf_srvloc_flags_v1_attribute_auth = -1;
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static int hf_srvloc_flags_v1_fresh = -1;
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static int hf_srvloc_error = -1;
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static int hf_srvloc_flags_v2 = -1;
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static int hf_srvloc_flags_v2_overflow = -1;
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static int hf_srvloc_flags_v2_fresh = -1;
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static int hf_srvloc_flags_v2_reqmulti = -1;
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static int hf_srvloc_error_v2 = -1;
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static int hf_srvloc_daadvert_timestamp = -1;
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static int hf_srvloc_daadvert_urllen = -1;
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static int hf_srvloc_daadvert_url = -1;
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static int hf_srvloc_daadvert_scopelistlen = -1;
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static int hf_srvloc_daadvert_scopelist = -1;
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static int hf_srvloc_daadvert_attrlistlen = -1;
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static int hf_srvloc_daadvert_attrlist = -1;
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static int hf_srvloc_daadvert_slpspilen = -1;
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static int hf_srvloc_daadvert_slpspi = -1;
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static int hf_srvloc_daadvert_authcount = -1;
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static int hf_srvloc_srvreq_prlistlen = -1;
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static int hf_srvloc_srvreq_prlist = -1;
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static int hf_srvloc_srvreq_srvtypelen = -1;
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static int hf_srvloc_srvreq_srvtypelist = -1;
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static int hf_srvloc_srvreq_scopelistlen = -1;
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static int hf_srvloc_srvreq_scopelist = -1;
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static int hf_srvloc_srvreq_predicatelen = -1;
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static int hf_srvloc_srvreq_predicate = -1;
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static int hf_srvloc_srvreq_slpspilen = -1;
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static int hf_srvloc_srvreq_slpspi = -1;
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static int hf_srvloc_srvrply_urlcount = -1;
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static int hf_srvloc_srvreg_attrlistlen = -1;
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static int hf_srvloc_srvreg_attrlist = -1;
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static int hf_srvloc_srvreg_attrauthcount = -1;
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static int hf_srvloc_srvreg_srvtypelen = -1;
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static int hf_srvloc_srvreg_srvtype = -1;
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static int hf_srvloc_srvreg_scopelistlen = -1;
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static int hf_srvloc_srvreg_scopelist = -1;
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static int hf_srvloc_srvdereg_scopelistlen = -1;
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static int hf_srvloc_srvdereg_scopelist = -1;
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static int hf_srvloc_srvdereg_taglistlen = -1;
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static int hf_srvloc_srvdereg_taglist = -1;
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static int hf_srvloc_attrreq_prlistlen = -1;
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static int hf_srvloc_attrreq_prlist = -1;
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static int hf_srvloc_attrreq_urllen = -1;
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static int hf_srvloc_attrreq_url = -1;
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static int hf_srvloc_attrreq_scopelistlen = -1;
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static int hf_srvloc_attrreq_scopelist = -1;
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static int hf_srvloc_attrreq_attrlistlen = -1;
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static int hf_srvloc_attrreq_attrlist = -1;
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static int hf_srvloc_attrreq_taglistlen = -1;
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static int hf_srvloc_attrreq_taglist = -1;
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static int hf_srvloc_attrreq_slpspilen = -1;
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static int hf_srvloc_attrreq_slpspi = -1;
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static int hf_srvloc_attrrply_attrlistlen = -1;
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static int hf_srvloc_attrrply_attrlist = -1;
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static int hf_srvloc_attrrply_attrauthcount = -1;
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static int hf_srvloc_srvtypereq_prlistlen = -1;
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static int hf_srvloc_srvtypereq_prlist = -1;
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static int hf_srvloc_srvtypereq_nameauthlistlen = -1;
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static int hf_srvloc_srvtypereq_nameauthlistlenall = -1;
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static int hf_srvloc_srvtypereq_nameauthlist = -1;
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static int hf_srvloc_srvtypereq_scopelistlen = -1;
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static int hf_srvloc_srvtypereq_scopelist = -1;
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static int hf_srvloc_srvtyperply_srvtypelen = -1;
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static int hf_srvloc_srvtyperply_srvtype = -1;
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static int hf_srvloc_srvtyperply_srvtypelistlen = -1;
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static int hf_srvloc_srvtyperply_srvtypelist = -1;
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static int hf_srvloc_saadvert_urllen = -1;
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static int hf_srvloc_saadvert_url = -1;
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static int hf_srvloc_saadvert_scopelistlen = -1;
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static int hf_srvloc_saadvert_scopelist = -1;
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static int hf_srvloc_saadvert_attrlistlen = -1;
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static int hf_srvloc_saadvert_attrlist = -1;
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static int hf_srvloc_saadvert_authcount = -1;
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static int hf_srvloc_authblkv2_bsd = -1;
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static int hf_srvloc_authblkv2_len = -1;
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static int hf_srvloc_authblkv2_timestamp = -1;
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static int hf_srvloc_authblkv2_slpspilen = -1;
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static int hf_srvloc_authblkv2_slpspi = -1;
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static int hf_srvloc_url_reserved = -1;
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static int hf_srvloc_url_lifetime = -1;
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static int hf_srvloc_url_urllen = -1;
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static int hf_srvloc_url_url = -1;
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static int hf_srvloc_url_numauths = -1;
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static int hf_srvloc_add_ref_ip = -1;
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static int hf_srvloc_srvrply_svcname = -1;
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/* Generated from convert_proto_tree_add_text.pl */
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static int hf_srvloc_timestamp = -1;
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static int hf_srvloc_authentication_block = -1;
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static int hf_srvloc_transaction_id = -1;
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static int hf_srvloc_block_structure_descriptor = -1;
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static int hf_srvloc_communication_type = -1;
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static int hf_srvloc_language = -1;
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static int hf_srvloc_socket = -1;
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static int hf_srvloc_encoding = -1;
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static int hf_srvloc_node = -1;
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static int hf_srvloc_item = -1;
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static int hf_srvloc_service_type = -1;
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static int hf_srvloc_network = -1;
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static int hf_srvloc_service_type_count = -1;
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static int hf_srvloc_dialect = -1;
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static int hf_srvloc_authenticator_length = -1;
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static int hf_srvloc_protocol = -1;
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static int hf_srvloc_port = -1;
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static gint ett_srvloc = -1;
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static gint ett_srvloc_attr = -1;
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static gint ett_srvloc_flags = -1;
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static expert_field ei_srvloc_error = EI_INIT;
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static expert_field ei_srvloc_error_v2 = EI_INIT;
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static expert_field ei_srvloc_function_unknown = EI_INIT;
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static expert_field ei_srvloc_malformed = EI_INIT;
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static const true_false_string tfs_srvloc_flags_overflow = {
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"Message will not fit in datagram",
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"Message will fit in a datagram"
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};
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static const true_false_string tfs_srvloc_flags_v1_monolingual = {
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"Only responses in specified language will be accepted",
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"Responses in any language will be accepted"
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};
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static const true_false_string tfs_srvloc_flags_v1_url_auth = {
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"URL Authentication Block is present",
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"URL Authentication Block is absent"
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};
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static const true_false_string tfs_srvloc_flags_v1_attribute_auth = {
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"Attribute Authentication Block is present",
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"Attribute Authentication Block is absent"
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};
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static const true_false_string tfs_srvloc_flags_fresh = {
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"New Service Registration",
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"Not a new Service Registration"
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};
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static const true_false_string tfs_srvloc_flags_v2_reqmulti = {
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"Multicast (or broadcast) request",
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"Not multicast or broadcast"
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};
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#define TCP_PORT_SRVLOC 427
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#define UDP_PORT_SRVLOC 427
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/* Define function types */
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#define SRVREQ 1
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#define SRVRPLY 2
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#define SRVREG 3
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#define SRVDEREG 4
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#define SRVACK 5
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#define ATTRRQST 6
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#define ATTRRPLY 7
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#define DAADVERT 8
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#define SRVTYPERQST 9
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#define SRVTYPERPLY 10
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#define SAADVERT 11 /* SLPv2, section 8 */
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/* Create protocol header structure */
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/* bradh: looks like never used. */
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/* bradh: comment it out for now since it doesn't work for v2
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struct srvloc_hdr {
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guint8 version;
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guint8 function;
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guint16 length;
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guint8 flags;
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guint8 dialect;
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guchar language[2];
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guint16 encoding;
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guint16 xid;
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};
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*/
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/* List to resolve function numbers to names */
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static const value_string srvloc_functions[] = {
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{ SRVREQ, "Service Request" },
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{ SRVRPLY, "Service Reply" },
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{ SRVREG, "Service Registration" },
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{ SRVDEREG, "Service Deregister" },
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{ SRVACK, "Service Acknowledge" },
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{ ATTRRQST, "Attribute Request" },
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{ ATTRRPLY, "Attribute Reply" },
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{ DAADVERT, "DA Advertisement" },
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{ SRVTYPERQST, "Service Type Request" },
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{ SRVTYPERPLY, "Service Type Reply" },
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{ SAADVERT, "SA Advertisement" }, /* v2 only */
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{ 0, NULL }
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};
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/* List to resolve flag values to names */
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/* Define flag masks */
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#define FLAG_O 0x80
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#define FLAG_M 0x40
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#define FLAG_U 0x20
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#define FLAG_A 0x10
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#define FLAG_F 0x08
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/* it all changes for Version 2 */
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#define FLAG_O_V2 0x8000
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#define FLAG_F_V2 0x4000
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#define FLAG_R_V2 0x2000
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/* Define Error Codes - Version 1*/
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#define SUCCESS 0
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#define LANG_NOT_SPTD 1
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#define PROT_PARSE_ERR 2
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#define INVLD_REG 3
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#define SCOPE_NOT_SPTD 4
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#define CHRSET_NOT_UND 5
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#define AUTH_ABSENT 6
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#define AUTH_FAILED 7
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/* List to resolve error codes to names */
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static const value_string srvloc_errs[] = {
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{ SUCCESS, "No Error" },
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{ LANG_NOT_SPTD, "Language not supported" },
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{ PROT_PARSE_ERR, "Protocol parse error" },
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{ INVLD_REG, "Invalid registration" },
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{ SCOPE_NOT_SPTD, "Scope not supported" },
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{ CHRSET_NOT_UND, "Character set not understood" },
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{ AUTH_ABSENT, "Authentication absent" },
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{ AUTH_FAILED, "Authentication failed" },
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{ 0, NULL }
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};
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/* Define Error Codes for Version 2 */
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#define LANGUAGE_NOT_SUPPORTED 1
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#define PARSE_ERROR 2
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#define INVALID_REGISTRATION 3
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#define SCOPE_NOT_SUPPORTED 4
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#define AUTHENTICATION_UNKNOWN 5
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#define AUTHENTICATION_ABSENT 6
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#define AUTHENTICATION_FAILED 7
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#define VER_NOT_SUPPORTED 9
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#define INTERNAL_ERROR 10
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#define DA_BUSY_NOW 11
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#define OPTION_NOT_UNDERSTOOD 12
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#define INVALID_UPDATE 13
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#define MSG_NOT_SUPPORTED 14
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#define REFRESH_REJECTED 15
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static const value_string srvloc_errs_v2[] = {
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{ SUCCESS, "No Error" },
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{ LANGUAGE_NOT_SUPPORTED, "No data in the requested language" },
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{ PARSE_ERROR, "The message fails to obey SLP syntax." },
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{ INVALID_REGISTRATION, "The SrvReg has problems" },
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{ SCOPE_NOT_SUPPORTED, "Scope list not supported" },
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{ AUTHENTICATION_UNKNOWN, "Unsupported SLP SPI." },
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{ AUTHENTICATION_ABSENT, "URL and ATTR authentication not provided"},
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{ AUTHENTICATION_FAILED, "Authentication error"},
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{ VER_NOT_SUPPORTED, "Unsupported version number in message header" },
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{ INTERNAL_ERROR, "The DA (or SA) is too sick to respond" },
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{ DA_BUSY_NOW, "UA or SA SHOULD retry" },
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{ OPTION_NOT_UNDERSTOOD, "Unknown option from the mandatory range"},
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{ INVALID_UPDATE, "Invalid SrvReg" },
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{ MSG_NOT_SUPPORTED, "No support for AttrRqst or SrvTypeRqst" },
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{ REFRESH_REJECTED, "SrvReg sent too soon"},
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{ 0, NULL }
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};
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/*
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* Character encodings.
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* This is a small subset of what's in
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*
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* http://www.iana.org/assignments/character-sets
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*
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* XXX - we should do something useful with this, i.e. properly
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* handle strings based on the character set they're in.
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*
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* XXX - what does "properly handle strings" mean? How do we know
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* what character set the terminal can handle (for tty-based code)
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* or the GUI can handle (for GUI code)?
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*
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* XXX - the Wireshark core really should be what does all the
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* character set handling for strings, and it should be stuck with
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* the task of figuring out how to properly handle them.
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*/
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#define CHARSET_ASCII 3
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#define CHARSET_ISO_10646_UTF_1 27
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#define CHARSET_ISO_646_BASIC 28
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#define CHARSET_ISO_646_IRV 30
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#define CHARSET_ISO_8859_1 4
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#define CHARSET_ISO_10646_UCS_2 1000 /* a/k/a Unicode */
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#define CHARSET_UTF_7 1012
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#define CHARSET_UTF_8 106
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static const value_string charsets[] = {
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{ CHARSET_ASCII, "US-ASCII" },
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{ CHARSET_ISO_10646_UTF_1, "ISO 10646 UTF-1" },
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{ CHARSET_ISO_646_BASIC, "ISO 646 basic:1983" },
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{ CHARSET_ISO_646_IRV, "ISO 646 IRV:1983" },
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{ CHARSET_ISO_8859_1, "ISO 8859-1" },
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{ CHARSET_ISO_10646_UCS_2, "Unicode" },
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{ CHARSET_UTF_7, "UTF-7" },
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{ CHARSET_UTF_8, "UTF-8" },
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{ 0, NULL }
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};
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static int
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dissect_authblk(tvbuff_t *tvb, int offset, proto_tree *tree)
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{
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guint16 length;
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proto_tree_add_item(tree, hf_srvloc_timestamp, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_srvloc_block_structure_descriptor, tvb, offset + 8, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb, offset + 10);
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proto_tree_add_item(tree, hf_srvloc_authenticator_length, tvb, offset + 10, 2, ENC_BIG_ENDIAN);
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offset += 12;
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proto_tree_add_item(tree, hf_srvloc_authentication_block, tvb, offset, length, ENC_NA|ENC_ASCII);
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offset += length;
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return offset;
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}
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/* SLPv2 version - Needs to be fixed to match RFC2608 sect 9.2*/
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static int
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dissect_authblk_v2(tvbuff_t *tvb, int offset, proto_tree *tree)
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{
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guint16 length;
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proto_tree_add_item(tree, hf_srvloc_authblkv2_bsd, tvb, offset, 2, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_srvloc_authblkv2_len, tvb, offset+2, 2, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_srvloc_authblkv2_timestamp, tvb, offset+4, 4, ENC_TIME_SECS|ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb, offset + 8);
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proto_tree_add_uint(tree, hf_srvloc_authblkv2_slpspilen, tvb, offset + 8, 2, length);
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offset += 10;
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proto_tree_add_item(tree, hf_srvloc_authblkv2_slpspi, tvb, offset, length, ENC_ASCII|ENC_NA);
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offset += length;
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/* add code in here to handle Structured Authentication Block */
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return offset;
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}
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static int
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dissect_attrauthblk_v2(tvbuff_t *tvb _U_, int offset, proto_tree *tree _U_)
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{
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/* add code in here to handle attribute authentication */
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return offset;
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}
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static void
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add_v1_string(proto_tree *tree, int hf, tvbuff_t *tvb, int offset, int length,
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guint16 encoding)
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{
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switch (encoding) {
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case CHARSET_ISO_10646_UCS_2:
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proto_tree_add_item(tree, hf, tvb, offset, length, ENC_UCS_2|ENC_BIG_ENDIAN);
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break;
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default:
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/* XXX - need to support all the CHARSET_ values */
|
|
proto_tree_add_item(tree, hf, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* XXX - is this trying to guess the byte order?
|
|
*
|
|
* http://www.iana.org/assignments/character-sets
|
|
*
|
|
* says of ISO-10646-UCS-2, which has the code 1000 (this routine is used
|
|
* with CHARSET_ISO_10646_UCS_2, which is #defined to be 1000):
|
|
*
|
|
* this needs to specify network byte order: the standard
|
|
* does not specify (it is a 16-bit integer space)
|
|
*
|
|
* Does that mean that in SRVLOC, ISO-10646-UCS-2 is always big-endian?
|
|
* If so, can we just use "tvb_get_string_enc()" and be
|
|
* done with it?
|
|
*
|
|
* XXX - this is also used with CHARSET_UTF_8. Is that a cut-and-pasteo?
|
|
*/
|
|
static const guint8*
|
|
unicode_to_bytes(tvbuff_t *tvb, int offset, int length, gboolean endianness)
|
|
{
|
|
const guint8 *ascii_text = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_ASCII);
|
|
int i, j = 0;
|
|
guint8 c_char, c_char1;
|
|
guint8 *byte_array;
|
|
|
|
/* XXX - Is this the correct behavior? */
|
|
if (length < 1)
|
|
return "";
|
|
|
|
if (endianness) {
|
|
byte_array = (guint8 *)wmem_alloc(wmem_packet_scope(), length*2 + 1);
|
|
for (i = length; i > 0; i--) {
|
|
c_char = ascii_text[i];
|
|
if (c_char != 0) {
|
|
if (i == 0)
|
|
break;
|
|
i--;
|
|
c_char1 = ascii_text[i];
|
|
if (c_char1 == 0) {
|
|
if (i == 0)
|
|
break;
|
|
i--;
|
|
c_char1 = ascii_text[i];
|
|
}
|
|
byte_array[j] = c_char1;
|
|
j++;
|
|
byte_array[j] = c_char;
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
byte_array = (guint8 *)wmem_alloc(wmem_packet_scope(), length + 1);
|
|
for (i = 0; i < length; i++) {
|
|
c_char = ascii_text[i];
|
|
if (c_char != 0) {
|
|
byte_array[j] = c_char;
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
|
|
byte_array[j]=0;
|
|
return byte_array;
|
|
}
|
|
|
|
/*
|
|
* Format of x-x-x-xxxxxxxx. Each of these entries represents the service binding to UDP, TCP, or IPX.
|
|
* The first digit is the protocol family: 2 for TCP/UPD, 6 for IPX.
|
|
* The second digit is the socket type: 1 for socket stream (TCP), 2 for datagram (UDP and IPX).
|
|
* The third is the protocol: 6 for TCP, 17 for UDP, and 1000 for IPX.
|
|
* Last is the IP address, in hex, of the interface that is registered (or, in the case of IPX, an IPX network number).
|
|
*
|
|
* OpenSLP supports multiple attribute replies so we need to parse the attribute name and then decode accordingly.
|
|
* We currently only parse the (non-utf8) attributes:
|
|
* svcname
|
|
* svcaddr
|
|
*/
|
|
static const value_string srvloc_svc[] = {
|
|
{ 50, "TCP/UDP" },
|
|
{ 54, "IPX" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string srvloc_ss[] = {
|
|
{ 49, "Socket" },
|
|
{ 50, "Datagram" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string srvloc_prot[] = {
|
|
{ 54, "TCP" },
|
|
{ 17, "UDP" },
|
|
{ 1000, "IPX" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
attr_list(proto_tree *tree, packet_info* pinfo, int hf, tvbuff_t *tvb, int offset, int length,
|
|
guint16 encoding)
|
|
{
|
|
const char *attr_type;
|
|
int i, svc, type_len, foffset=offset;
|
|
guint32 prot;
|
|
const guint8 *byte_value;
|
|
proto_tree *srvloc_tree;
|
|
proto_item *ti;
|
|
char *tmp;
|
|
|
|
switch (encoding) {
|
|
|
|
case CHARSET_ISO_10646_UCS_2:
|
|
while (offset+2<length) {
|
|
offset += 2;
|
|
/* If the length passed is longer then the actual payload then this must be an incomplete packet. */
|
|
if (tvb_reported_length_remaining(tvb, 4)<length) {
|
|
proto_tree_add_expert(tree, pinfo, &ei_srvloc_malformed, tvb, offset, -1);
|
|
break;
|
|
}
|
|
/* Parse the attribute name */
|
|
tmp = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length-offset, ENC_UCS_2|ENC_BIG_ENDIAN);
|
|
type_len = (int)strcspn(tmp, "=");
|
|
attr_type = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, type_len*2, ENC_UCS_2|ENC_BIG_ENDIAN);
|
|
proto_tree_add_string(tree, hf, tvb, offset, type_len*2, attr_type);
|
|
offset += (type_len*2)+2;
|
|
if (strcmp(attr_type, "svcname-ws")==0) {
|
|
/* This is the attribute svcname */
|
|
tmp = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length-offset, ENC_UCS_2|ENC_BIG_ENDIAN);
|
|
type_len = (int)strcspn(tmp, ")");
|
|
add_v1_string(tree, hf_srvloc_srvrply_svcname, tvb, offset, type_len*2, encoding);
|
|
offset += (type_len*2)+4;
|
|
attr_type = "";
|
|
} else if (strcmp(attr_type, "svcaddr-ws")==0) {
|
|
/* This is the attribute svcaddr */
|
|
i=1;
|
|
for (foffset = offset; foffset<length; foffset += 2) {
|
|
|
|
srvloc_tree = proto_tree_add_subtree_format(tree, tvb, foffset, -1, ett_srvloc_attr, NULL, "Item %d", i);
|
|
|
|
svc = tvb_get_guint8(tvb, foffset+1);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_service_type, tvb, foffset+1, 1, ENC_NA);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_communication_type, tvb, foffset+5, 1, ENC_NA);
|
|
foffset += 9;
|
|
if (svc == 50) {
|
|
if (tvb_get_guint8(tvb, foffset)==54) { /* TCP */
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 1, ENC_NA);
|
|
foffset += 2;
|
|
}
|
|
else
|
|
{
|
|
byte_value = unicode_to_bytes(tvb, foffset, 4, FALSE); /* UDP */
|
|
prot = (guint32)strtoul(byte_value, NULL, 10);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 4, prot);
|
|
foffset += 4;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
byte_value = unicode_to_bytes(tvb, foffset, 8, FALSE); /* IPX */
|
|
prot = (guint32)strtoul(byte_value, NULL, 10);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 4, prot);
|
|
proto_item_set_len(ti, 8);
|
|
foffset += 8;
|
|
}
|
|
if (svc == 50) {
|
|
byte_value = unicode_to_bytes(tvb, foffset, 16, TRUE); /* IP Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
proto_tree_add_ipv4(srvloc_tree, hf_srvloc_add_ref_ip, tvb, foffset+2, 16, prot);
|
|
byte_value = unicode_to_bytes(tvb, foffset+18, 8, FALSE); /* Port */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_port, tvb, foffset+18, 4, prot);
|
|
proto_item_set_len(ti, 8);
|
|
}
|
|
else
|
|
{
|
|
byte_value = unicode_to_bytes(tvb, foffset+2, 16, FALSE); /* IPX Network Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
sscanf(byte_value,"%x",&prot);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_network, tvb, foffset+2, 4, prot);
|
|
proto_item_set_len(ti, 16);
|
|
byte_value = unicode_to_bytes(tvb, foffset+18, 24, FALSE); /* IPX Node Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_node, tvb, foffset+18, 4, prot);
|
|
proto_item_set_len(ti, 24);
|
|
byte_value = unicode_to_bytes(tvb, foffset+42, 8, FALSE); /* Socket */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_socket, tvb, foffset+42, 4, prot);
|
|
proto_item_set_len(ti, 8);
|
|
}
|
|
i++;
|
|
foffset += 57;
|
|
}
|
|
offset = foffset;
|
|
attr_type = "";
|
|
}
|
|
/* If there are no more supported attributes available then abort dissection */
|
|
if (strcmp(attr_type, "svcaddr-ws")!=0 && strcmp(attr_type, "svcname-ws")!=0 && strcmp(attr_type, "")!=0) {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHARSET_UTF_8:
|
|
type_len = (int)strcspn(tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_ASCII), "=");
|
|
attr_type = unicode_to_bytes(tvb, offset+1, type_len-1, FALSE);
|
|
proto_tree_add_string(tree, hf, tvb, offset+1, type_len-1, attr_type);
|
|
i=1;
|
|
for (foffset = offset + (type_len); foffset<length; foffset++) {
|
|
|
|
srvloc_tree = proto_tree_add_subtree_format(tree, tvb, foffset, -1, ett_srvloc_attr, NULL, "Item %d", i);
|
|
|
|
svc = tvb_get_guint8(tvb, foffset+1);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_service_type, tvb, foffset+1, 1, ENC_NA);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_communication_type, tvb, foffset+3, 1, ENC_NA);
|
|
foffset += 5;
|
|
if (svc == 50) {
|
|
if (tvb_get_guint8(tvb, foffset)==54) { /* TCP */
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 1, ENC_NA);
|
|
foffset += 1;
|
|
}
|
|
else
|
|
{
|
|
/* UDP */
|
|
byte_value = unicode_to_bytes(tvb, foffset, 2, FALSE); /* UDP */
|
|
prot = (guint32)strtoul(byte_value, NULL, 10);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 2, prot);
|
|
foffset += 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
byte_value = unicode_to_bytes(tvb, foffset, 4, FALSE); /* IPX */
|
|
prot = (guint32)strtoul(byte_value, NULL, 10);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_protocol, tvb, foffset, 4, prot);
|
|
foffset += 4;
|
|
}
|
|
if (svc == 50) {
|
|
byte_value = unicode_to_bytes(tvb, foffset, 8, TRUE); /* IP Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
proto_tree_add_ipv4(srvloc_tree, hf_srvloc_add_ref_ip, tvb, foffset+1, 8, prot);
|
|
byte_value = unicode_to_bytes(tvb, foffset+9, 4, FALSE); /* Port */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_port, tvb, foffset+9, 4, prot);
|
|
}
|
|
else
|
|
{
|
|
byte_value = unicode_to_bytes(tvb, foffset+1, 8, FALSE); /* IPX Network Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_network, tvb, foffset+1, 4, prot);
|
|
proto_item_set_len(ti, 8);
|
|
byte_value = unicode_to_bytes(tvb, foffset+9, 12, FALSE); /* IPX Node Address */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
ti = proto_tree_add_uint(srvloc_tree, hf_srvloc_node, tvb, foffset+9, 4, prot);
|
|
proto_item_set_len(ti, 12);
|
|
byte_value = unicode_to_bytes(tvb, foffset+21, 4, FALSE); /* Socket */
|
|
prot = (guint32)strtoul(byte_value, NULL, 16);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_socket, tvb, foffset+21, 4, prot);
|
|
}
|
|
i++;
|
|
foffset += 28;
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
/* XXX - need to handle specific encodings */
|
|
proto_tree_add_item(tree, hf, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
attr_list2(proto_tree *tree, int hf, tvbuff_t *tvb, int offset, int length, guint16 encoding _U_)
|
|
{
|
|
guint8 *start;
|
|
guint8 c;
|
|
guint32 x;
|
|
guint32 cnt;
|
|
proto_item *ti;
|
|
proto_tree *attr_tree;
|
|
|
|
/* if we were to decode:
|
|
* For slp, these 9 characters: (),\!<=>~ and 0x00-1F, 0x7f are reserved and must be escaped in the form \HH
|
|
*/
|
|
|
|
/* create a sub tree for attributes */
|
|
/* XXX - is this always ASCII, or what? */
|
|
ti = proto_tree_add_item(tree, hf, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
attr_tree = proto_item_add_subtree(ti, ett_srvloc_attr);
|
|
|
|
/* this will ensure there is a terminating null */
|
|
start = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_ASCII);
|
|
|
|
cnt = 0;
|
|
x = 0;
|
|
c = start[x];
|
|
while (c) {
|
|
if (c == ',') {
|
|
cnt++; /* Attribute count */
|
|
start[x] = 0;
|
|
proto_tree_add_string_format(attr_tree, hf_srvloc_item, tvb, offset, x, start, "Item %d: %s", cnt, start);
|
|
offset += x+1;
|
|
start += x+1;
|
|
/* reset string length */
|
|
x = 0;
|
|
c = start[x];
|
|
} else {
|
|
/* increment and get next */
|
|
x++;
|
|
c = start[x];
|
|
}
|
|
}
|
|
/* display anything remaining */
|
|
if (x) {
|
|
cnt++;
|
|
proto_tree_add_string_format(attr_tree, hf_srvloc_item, tvb, offset, x, start, "Item %d: %s", cnt, start);
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_url_entry_v1(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
guint16 encoding, guint16 flags)
|
|
{
|
|
guint16 url_len;
|
|
|
|
proto_tree_add_item(tree, hf_srvloc_url_lifetime, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
url_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2,
|
|
url_len);
|
|
offset += 2;
|
|
add_v1_string(tree, hf_srvloc_url_url, tvb, offset, url_len, encoding);
|
|
offset += url_len;
|
|
if ( (flags & FLAG_U) == FLAG_U )
|
|
offset = dissect_authblk(tvb, offset, tree);
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_url_entry_v2(tvbuff_t *tvb, int offset, proto_tree *tree)
|
|
{
|
|
guint8 reserved;
|
|
guint16 url_len;
|
|
guint8 num_auths;
|
|
|
|
reserved = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_srvloc_url_reserved, tvb, offset, 1,
|
|
reserved);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_srvloc_url_lifetime, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
url_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2,
|
|
url_len);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_srvloc_url_url, tvb, offset, url_len, ENC_ASCII|ENC_NA);
|
|
offset += url_len;
|
|
num_auths = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_srvloc_url_numauths, tvb, offset, 1,
|
|
num_auths);
|
|
offset += 1;
|
|
while (num_auths > 0) {
|
|
offset = dissect_authblk_v2(tvb, offset, tree);
|
|
num_auths--;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* Packet dissection routine called by tcp & udp when port 427 detected */
|
|
|
|
static int
|
|
dissect_srvloc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_item *ti;
|
|
proto_tree *srvloc_tree;
|
|
guint8 version;
|
|
guint8 function;
|
|
guint16 encoding;
|
|
guint32 length; /* three bytes needed for v2 */
|
|
guint16 flags; /* two byes needed for v2 */
|
|
guint32 count;
|
|
guint32 next_ext_off; /* three bytes, v2 only */
|
|
guint16 lang_tag_len;
|
|
proto_item *expert_item;
|
|
guint16 expert_status;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SRVLOC");
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
version = tvb_get_guint8(tvb, offset);
|
|
function = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(function, srvloc_functions, "Unknown Function (%u)"));
|
|
|
|
ti = proto_tree_add_item(tree, proto_srvloc, tvb, offset, -1, ENC_NA);
|
|
srvloc_tree = proto_item_add_subtree(ti, ett_srvloc);
|
|
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_version, tvb, offset, 1,
|
|
version);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_function, tvb, offset + 1, 1,
|
|
function);
|
|
if (version < 2) {
|
|
static int * const v1_flags[] = {
|
|
&hf_srvloc_flags_v1_overflow,
|
|
&hf_srvloc_flags_v1_monolingual,
|
|
&hf_srvloc_flags_v1_url_auth,
|
|
&hf_srvloc_flags_v1_attribute_auth,
|
|
&hf_srvloc_flags_v1_fresh,
|
|
NULL
|
|
};
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 2);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_pktlen, tvb, offset + 2, 2,
|
|
length);
|
|
flags = tvb_get_guint8(tvb, offset + 4);
|
|
proto_tree_add_bitmask(srvloc_tree, tvb, offset + 4, hf_srvloc_flags_v1, ett_srvloc_flags, v1_flags, ENC_NA);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_dialect, tvb, offset + 5, 1, ENC_NA);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_language, tvb, offset + 6, 2, ENC_NA|ENC_ASCII);
|
|
encoding = tvb_get_ntohs(tvb, offset + 8);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_encoding, tvb, offset + 8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_transaction_id, tvb, offset + 10, 2, ENC_BIG_ENDIAN);
|
|
/* added echo of XID to info column by Greg Morris 0ct 14, 2005 */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ", V1 Transaction ID - %u", tvb_get_ntohs(tvb, offset + 10));
|
|
|
|
offset += 12;
|
|
|
|
switch (function) {
|
|
|
|
case SRVREQ:
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvreq_prlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_predicatelen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvreq_predicate, tvb, offset, length, encoding);
|
|
offset += length;
|
|
break;
|
|
|
|
case SRVRPLY:
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error, "Error: %s", val_to_str(expert_status, srvloc_errs, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
count = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvrply_urlcount, tvb, offset, 2, count);
|
|
offset += 2;
|
|
while (count > 0) {
|
|
offset = dissect_url_entry_v1(tvb, offset, srvloc_tree,
|
|
encoding, flags);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
case SRVREG:
|
|
offset = dissect_url_entry_v1(tvb, offset, srvloc_tree, encoding,
|
|
flags);
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvreg_attrlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
if ( (flags & FLAG_A) == FLAG_A )
|
|
offset = dissect_authblk(tvb, offset, srvloc_tree);
|
|
break;
|
|
|
|
case SRVDEREG:
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(tree, hf_srvloc_url_url, tvb, offset, length, encoding);
|
|
offset += length;
|
|
if ( (flags & FLAG_U) == FLAG_U )
|
|
offset = dissect_authblk(tvb, offset, srvloc_tree);
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_taglistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvdereg_taglist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
/*
|
|
* XXX - this was there before, but RFC 2165 doesn't speak
|
|
* of there being an attribute authentication block in
|
|
* a Service Deregister message. Is that a post-RFC-2165
|
|
* addition?
|
|
*/
|
|
if ( (flags & FLAG_A) == FLAG_A )
|
|
offset = dissect_authblk(tvb, offset, srvloc_tree);
|
|
break;
|
|
|
|
case SRVACK:
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error, "Error: %s", val_to_str(expert_status, srvloc_errs, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
break;
|
|
|
|
case ATTRRQST:
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_attrreq_prlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_attrreq_url, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_attrreq_scopelist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_attrreq_attrlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
break;
|
|
|
|
case ATTRRPLY:
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrlistlen, tvb, offset, 2, length);
|
|
if (length > 0) {
|
|
offset += 2;
|
|
attr_list(srvloc_tree, pinfo, hf_srvloc_attrrply_attrlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
if ( (flags & FLAG_A) == FLAG_A )
|
|
offset = dissect_authblk(tvb, offset, srvloc_tree);
|
|
}
|
|
break;
|
|
|
|
case DAADVERT:
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error, "Error: %s", val_to_str(expert_status, srvloc_errs, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_daadvert_url, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_daadvert_scopelist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
break;
|
|
|
|
case SRVTYPERQST:
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_prlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
/* Updated by Greg Morris on 1-30-04 */
|
|
if (0xFFFF == length) {
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlenall, tvb, offset, 2, length);
|
|
offset += 2;
|
|
}
|
|
else
|
|
{
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_nameauthlist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_scopelist, tvb, offset, length, encoding);
|
|
offset += length;
|
|
break;
|
|
|
|
case SRVTYPERPLY:
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error, "Error: %s", val_to_str(expert_status, srvloc_errs, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
count = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_service_type_count, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
while (count > 0) {
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtyperply_srvtypelen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
add_v1_string(srvloc_tree, hf_srvloc_srvtyperply_srvtype, tvb, offset, length, encoding);
|
|
offset += length;
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_expert_format(srvloc_tree, pinfo, &ei_srvloc_function_unknown,
|
|
tvb, offset, -1, "Unknown Function Type: %d", function);
|
|
}
|
|
}
|
|
else { /* Version 2 */
|
|
static int * const v2_flags[] = {
|
|
&hf_srvloc_flags_v2_overflow,
|
|
&hf_srvloc_flags_v2_fresh,
|
|
&hf_srvloc_flags_v2_reqmulti,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_item_ret_uint(srvloc_tree, hf_srvloc_pktlen, tvb, offset + 2, 3, ENC_BIG_ENDIAN, &length);
|
|
proto_tree_add_bitmask(srvloc_tree, tvb, offset + 5, hf_srvloc_flags_v2, ett_srvloc_flags, v2_flags, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item_ret_uint(srvloc_tree, hf_srvloc_nextextoff, tvb, offset + 7, 3,
|
|
ENC_BIG_ENDIAN, &next_ext_off);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_xid, tvb, offset + 10, 2, ENC_BIG_ENDIAN);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ", V2 XID - %u", tvb_get_ntohs(tvb, offset + 10));
|
|
lang_tag_len = tvb_get_ntohs(tvb, offset + 12);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_langtaglen, tvb, offset + 12, 2, lang_tag_len);
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_langtag, tvb, offset + 14, lang_tag_len, ENC_ASCII|ENC_NA);
|
|
offset += 14+lang_tag_len;
|
|
|
|
switch (function) {
|
|
|
|
case SRVREQ: /* RFC2608 8.1 */
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_prlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_srvtypelen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_srvtypelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_predicatelen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_predicate, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_slpspilen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_slpspi, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
break;
|
|
|
|
case SRVRPLY: /* RFC2608 8.2 */
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error_v2, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
count = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvrply_urlcount, tvb, offset, 2, count);
|
|
offset += 2;
|
|
while (count > 0) {
|
|
offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
case SRVREG: /* RFC2608 8.3 */
|
|
offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_srvtypelen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreg_srvtype, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvreg_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
attr_list2(srvloc_tree, hf_srvloc_srvreg_attrlist, tvb, offset, length, CHARSET_UTF_8);
|
|
offset += length;
|
|
}
|
|
count = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrauthcount, tvb, offset, 1, count);
|
|
offset += 1;
|
|
while (count > 0) {
|
|
offset = dissect_attrauthblk_v2(tvb, offset, srvloc_tree);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
case SRVDEREG: /* RFC2608 10.6 */
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvdereg_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_taglistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvdereg_taglist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
break;
|
|
|
|
case SRVACK: /* RFC2608 8.4 */
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error_v2, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
break;
|
|
|
|
case ATTRRQST: /* RFC2608 10.3*/
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_prlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_url, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_taglistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_taglist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_slpspilen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_slpspi, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
break;
|
|
|
|
case ATTRRPLY: /* RFC2608 10.4 */
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error_v2, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
attr_list2(srvloc_tree, hf_srvloc_attrrply_attrlist, tvb, offset, length, CHARSET_UTF_8);
|
|
offset += length;
|
|
}
|
|
count = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrauthcount, tvb, offset, 1, count);
|
|
offset += 1;
|
|
while (count > 0) {
|
|
offset = dissect_attrauthblk_v2(tvb, offset, srvloc_tree);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
case DAADVERT: /* RCC 2608 8.5 */
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error_v2, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_timestamp, tvb, offset, 4,
|
|
ENC_TIME_SECS|ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_url, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_attrlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_slpspilen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_slpspi, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
count = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_authcount, tvb, offset, 1, count);
|
|
offset += 1;
|
|
while (count > 0) {
|
|
offset = dissect_authblk_v2(tvb, offset, srvloc_tree);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
case SRVTYPERQST: /* RFC2608 10.1 */
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_prlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_prlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
if (0xFFFF == length) {
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlenall, tvb, offset, 2, length);
|
|
offset += 2;
|
|
} else {
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_nameauthlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
break;
|
|
|
|
case SRVTYPERPLY: /* rfc2608 10.2 */
|
|
expert_item = proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
expert_status = tvb_get_ntohs(tvb, offset);
|
|
if (expert_status!=0) {
|
|
expert_add_info_format(pinfo, expert_item, &ei_srvloc_error_v2, "Error: %s", val_to_str(expert_status, srvloc_errs_v2, "Unknown SRVLOC Error (0x%02x)"));
|
|
}
|
|
offset += 2;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtyperply_srvtypelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_srvtyperply_srvtypelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
break;
|
|
|
|
case SAADVERT: /* rfc2608 10.2 */
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_urllen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_url, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_scopelistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_scopelist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_attrlistlen, tvb, offset, 2, length);
|
|
offset += 2;
|
|
if (length) {
|
|
proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_attrlist, tvb, offset, length, ENC_ASCII|ENC_NA);
|
|
offset += length;
|
|
}
|
|
count = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_authcount, tvb, offset, 1, length);
|
|
offset += 1;
|
|
while (count > 0) {
|
|
offset = dissect_authblk_v2(tvb, offset, srvloc_tree);
|
|
count--;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_expert_format(srvloc_tree, pinfo, &ei_srvloc_function_unknown,
|
|
tvb, offset, -1, "Unknown Function Type: %d", function);
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
get_srvloc_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
/*
|
|
* Get the length of the SRVLOC packet.
|
|
* It starts at offset+2, but it's 2 bytes in SLPv1 and 3 bytes
|
|
* in SLPv2.
|
|
*/
|
|
if (tvb_get_guint8(tvb, offset) == 2)
|
|
return tvb_get_ntoh24(tvb, offset + 2);
|
|
else
|
|
return tvb_get_ntohs(tvb, offset + 2);
|
|
}
|
|
|
|
static int
|
|
dissect_srvloc_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
/*
|
|
* XXX - in SLPv1, the fixed length need only be 4, as the length
|
|
* is 2 bytes long; however, it must be 5 for SLPv2, as the length
|
|
* is 3 bytes long, and there's probably no harm in asking for 5
|
|
* bytes, as even SLPv1 packets start with a 12-byte header,
|
|
* and if the packet has a length that's 4 or less, it's bogus,
|
|
* and we can't handle a length < 4 anyway.
|
|
*/
|
|
tcp_dissect_pdus(tvb, pinfo, tree, srvloc_desegment, 5, get_srvloc_pdu_len,
|
|
dissect_srvloc, data);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* Register protocol with Wireshark. */
|
|
|
|
void
|
|
proto_register_srvloc(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
/* Helper functions for the Version 1 Header*/
|
|
{&hf_srvloc_error,
|
|
{"Error Code", "srvloc.err",
|
|
FT_UINT16, BASE_DEC, VALS(srvloc_errs), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
/* Helper function for the Version 2 Header */
|
|
{&hf_srvloc_error_v2,
|
|
{"Error Code", "srvloc.errv2",
|
|
FT_UINT16, BASE_DEC, VALS(srvloc_errs_v2), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_xid,
|
|
{"XID", "srvloc.xid",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"Transaction ID", HFILL }
|
|
},
|
|
{&hf_srvloc_langtag,
|
|
{"Lang Tag", "srvloc.langtag",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_langtaglen,
|
|
{"Lang Tag Len", "srvloc.langtaglen",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_nextextoff,
|
|
{"Next Extension Offset", "srvloc.nextextoff",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
/* Helper functions for URL and URL Entry parsing - both versions */
|
|
{&hf_srvloc_url_reserved,
|
|
{"Reserved", "srvloc.url.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_url_lifetime,
|
|
{"URL lifetime", "srvloc.url.lifetime",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_url_urllen,
|
|
{"URL Length", "srvloc.url.urllen",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_url_url,
|
|
{"URL", "srvloc.url.url",
|
|
FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{&hf_srvloc_url_numauths,
|
|
{"Num Auths", "srvloc.url.numauths",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
|
|
/* Helper functions for the common header fields */
|
|
{&hf_srvloc_function,
|
|
{"Function", "srvloc.function",
|
|
FT_UINT8, BASE_DEC, VALS(srvloc_functions), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{&hf_srvloc_pktlen,
|
|
{"Packet Length", "srvloc.pktlen",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_srvloc_version,
|
|
{ "Version", "srvloc.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{&hf_srvloc_flags_v1,
|
|
{"Flags", "srvloc.flags_v1",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_srvloc_flags_v1_overflow,
|
|
{ "Overflow", "srvloc.flags_v1.overflow", FT_BOOLEAN, 8,
|
|
TFS(&tfs_srvloc_flags_overflow), FLAG_O, "Can whole packet fit into a datagram?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v1_monolingual,
|
|
{ "Monolingual", "srvloc.flags_v1.monolingual", FT_BOOLEAN, 8,
|
|
TFS(&tfs_srvloc_flags_v1_monolingual), FLAG_M, "Can whole packet fit into a datagram?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v1_url_auth,
|
|
{ "URL Authentication", "srvloc.flags_v1.url_auth", FT_BOOLEAN, 8,
|
|
TFS(&tfs_srvloc_flags_v1_url_auth), FLAG_U, "Can whole packet fit into a datagram?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v1_attribute_auth,
|
|
{ "Attribute Authentication", "srvloc.flags_v1.attribute_auth", FT_BOOLEAN, 8,
|
|
TFS(&tfs_srvloc_flags_v1_attribute_auth), FLAG_A, "Can whole packet fit into a datagram?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v1_fresh,
|
|
{ "Fresh Registration", "srvloc.flags_v1.fresh", FT_BOOLEAN, 8,
|
|
TFS(&tfs_srvloc_flags_fresh), FLAG_F, "Is this a new registration?", HFILL }},
|
|
|
|
{&hf_srvloc_flags_v2,
|
|
{"Flags", "srvloc.flags_v2",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_srvloc_flags_v2_overflow,
|
|
{ "Overflow", "srvloc.flags_v2.overflow", FT_BOOLEAN, 16,
|
|
TFS(&tfs_srvloc_flags_overflow), FLAG_O_V2, "Can whole packet fit into a datagram?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v2_fresh,
|
|
{ "Fresh Registration", "srvloc.flags_v2.fresh", FT_BOOLEAN, 16,
|
|
TFS(&tfs_srvloc_flags_fresh), FLAG_F_V2, "Is this a new registration?", HFILL }},
|
|
|
|
{ &hf_srvloc_flags_v2_reqmulti,
|
|
{ "Multicast requested", "srvloc.flags_v2.reqmulti", FT_BOOLEAN, 16,
|
|
TFS(&tfs_srvloc_flags_v2_reqmulti), FLAG_R_V2, "Do we want multicast?", HFILL }},
|
|
|
|
/* collection of helper functions for dissect_authblk_v2 */
|
|
{ &hf_srvloc_authblkv2_bsd,
|
|
{ "BSD", "srvloc.authblkv2_bsd", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Block Structure Descriptor", HFILL}
|
|
},
|
|
{ &hf_srvloc_authblkv2_len,
|
|
{ "Length", "srvloc.authblkv2_len", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Authentication Block", HFILL}
|
|
},
|
|
{ &hf_srvloc_authblkv2_timestamp,
|
|
{ "Timestamp", "srvloc.authblkv2.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Timestamp on Authentication Block", HFILL }
|
|
},
|
|
{ &hf_srvloc_authblkv2_slpspilen,
|
|
{ "SLP SPI Length", "srvloc.authblkv2.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the SLP SPI", HFILL}
|
|
},
|
|
{ &hf_srvloc_authblkv2_slpspi,
|
|
{ "SLP SPI", "srvloc.authblkv2.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for Service Request */
|
|
{ &hf_srvloc_srvreq_prlistlen,
|
|
{ "Previous Response List Length", "srvloc.srvreq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Previous Response List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_prlist,
|
|
{ "Previous Response List", "srvloc.srvreq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_srvtypelen,
|
|
{ "Service Type Length", "srvloc.srvreq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Service Type List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_srvtypelist,
|
|
{ "Service Type List", "srvloc.srvreq.srvtypelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_scopelistlen,
|
|
{ "Scope List Length", "srvloc.srvreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Scope List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_scopelist,
|
|
{ "Scope List", "srvloc.srvreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_predicatelen,
|
|
{ "Predicate Length", "srvloc.srvreq.predicatelen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Predicate", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_predicate,
|
|
{ "Predicate", "srvloc.srvreq.predicate", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_slpspilen,
|
|
{ "SLP SPI Length", "srvloc.srvreq.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the SLP SPI", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreq_slpspi,
|
|
{ "SLP SPI", "srvloc.srvreq.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* Helper function for Service Request */
|
|
{ &hf_srvloc_srvrply_urlcount,
|
|
{ "Number of URLs", "srvloc.srvreq.urlcount", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* Helper functions for Service Registration */
|
|
{ &hf_srvloc_srvreg_srvtypelen,
|
|
{ "Service Type Length", "srvloc.srvreq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_srvtype,
|
|
{ "Service Type", "srvloc.srvreq.srvtype", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_scopelistlen,
|
|
{ "Scope List Length", "srvloc.srvreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_scopelist,
|
|
{ "Scope List", "srvloc.srvreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_attrlistlen,
|
|
{ "Attribute List Length", "srvloc.srvreq.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_attrlist,
|
|
{ "Attribute List", "srvloc.srvreq.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvreg_attrauthcount,
|
|
{ "Attr Auths", "srvloc.srvreq.attrauthcount", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of Attribute Authentication Blocks", HFILL}
|
|
},
|
|
|
|
/* Helper functions for Service Deregistration */
|
|
{ &hf_srvloc_srvdereg_scopelistlen,
|
|
{ "Scope List Length", "srvloc.srvdereq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvdereg_scopelist,
|
|
{ "Scope List", "srvloc.srvdereq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvdereg_taglistlen,
|
|
{ "Tag List Length", "srvloc.srvdereq.taglistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvdereg_taglist,
|
|
{ "Tag List", "srvloc.srvdereq.taglist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
|
|
/* collection of helper functions for Attribute Request */
|
|
{ &hf_srvloc_attrreq_prlistlen,
|
|
{ "Previous Response List Length", "srvloc.attrreq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Previous Response List", HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_prlist,
|
|
{ "Previous Response List", "srvloc.attrreq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_urllen,
|
|
{ "URL Length", "srvloc.attrreq.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_url,
|
|
{ "Service URL", "srvloc.attrreq.url", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"URL of service", HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_scopelistlen,
|
|
{ "Scope List Length", "srvloc.attrreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Scope List", HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_scopelist,
|
|
{ "Scope List", "srvloc.attrreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_attrlistlen,
|
|
{ "Attribute List Length", "srvloc.attrreq.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_attrlist,
|
|
{ "Attribute List", "srvloc.attrreq.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_taglistlen,
|
|
{ "Tag List Length", "srvloc.attrreq.taglistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_taglist,
|
|
{ "Tag List", "srvloc.attrreq.taglist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_slpspilen,
|
|
{ "SLP SPI Length", "srvloc.attrreq.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the SLP SPI", HFILL}
|
|
},
|
|
{ &hf_srvloc_attrreq_slpspi,
|
|
{ "SLP SPI", "srvloc.attrreq.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for Attribute Reply */
|
|
{ &hf_srvloc_attrrply_attrlistlen,
|
|
{ "Attribute List Length", "srvloc.attrrply.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Attribute List", HFILL}
|
|
},
|
|
{ &hf_srvloc_attrrply_attrlist,
|
|
{ "Attribute List", "srvloc.attrrply.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_attrrply_attrauthcount,
|
|
{ "Attr Auths", "srvloc.srvreq.attrauthcount", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of Attribute Authentication Blocks", HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for DA Advertisement */
|
|
{ &hf_srvloc_daadvert_timestamp,
|
|
{ "DAADVERT Timestamp", "srvloc.daadvert.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0, "Timestamp on DA Advert", HFILL }
|
|
},
|
|
{ &hf_srvloc_daadvert_urllen,
|
|
{ "URL Length", "srvloc.daadvert.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_url,
|
|
{ "URL", "srvloc.daadvert.url", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_scopelistlen,
|
|
{ "Scope List Length", "srvloc.daadvert.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Scope List", HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_scopelist,
|
|
{ "Scope List", "srvloc.daadvert.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_attrlistlen,
|
|
{ "Attribute List Length", "srvloc.daadvert.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_attrlist,
|
|
{ "Attribute List", "srvloc.daadvert.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_slpspilen,
|
|
{ "SLP SPI Length", "srvloc.daadvert.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the SLP SPI", HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_slpspi,
|
|
{ "SLP SPI", "srvloc.daadvert.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_daadvert_authcount,
|
|
{ "Auths", "srvloc.daadvert.authcount", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of Authentication Blocks", HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for Service Type Request */
|
|
{ &hf_srvloc_srvtypereq_prlistlen,
|
|
{ "Previous Response List Length", "srvloc.srvtypereq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of Previous Response List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_prlist,
|
|
{ "Previous Response List", "srvloc.srvtypereq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_nameauthlistlen,
|
|
{ "Naming Authority List Length", "srvloc.srvtypereq.nameauthlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Naming Authority List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_nameauthlistlenall,
|
|
{ "Naming Authority List Length (All Naming Authorities)", "srvloc.srvtypereq.nameauthlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Naming Authority List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_nameauthlist,
|
|
{ "Naming Authority List", "srvloc.srvtypereq.nameauthlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_scopelistlen,
|
|
{ "Scope List Length", "srvloc.srvtypereq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Scope List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtypereq_scopelist,
|
|
{ "Scope List", "srvloc.srvtypereq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for Service Type Replies */
|
|
{ &hf_srvloc_srvtyperply_srvtypelen,
|
|
{ "Service Type Length", "srvloc.srvtypereq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Service Type", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtyperply_srvtype,
|
|
{ "Service Type", "srvloc.srvtyperply.srvtype", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtyperply_srvtypelistlen,
|
|
{ "Service Type List Length", "srvloc.srvtypereq.srvtypelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Service Type List", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvtyperply_srvtypelist,
|
|
{ "Service Type List", "srvloc.srvtyperply.srvtypelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
/* collection of helper functions for SA Advertisement */
|
|
{ &hf_srvloc_saadvert_urllen,
|
|
{ "URL Length", "srvloc.saadvert.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_url,
|
|
{ "URL", "srvloc.saadvert.url", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_scopelistlen,
|
|
{ "Scope List Length", "srvloc.saadvert.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Length of the Scope List", HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_scopelist,
|
|
{ "Scope List", "srvloc.saadvert.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_attrlistlen,
|
|
{ "Attribute List Length", "srvloc.saadvert.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_attrlist,
|
|
{ "Attribute List", "srvloc.saadvert.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_srvloc_saadvert_authcount,
|
|
{ "Auths", "srvloc.saadvert.authcount", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of Authentication Blocks", HFILL}
|
|
},
|
|
{ &hf_srvloc_add_ref_ip,
|
|
{ "IP Address", "srvloc.list.ipaddr", FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
"IP Address of SLP server", HFILL}
|
|
},
|
|
{ &hf_srvloc_srvrply_svcname,
|
|
{ "Service Name Value", "srvloc.srvrply.svcname", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
/* Generated from convert_proto_tree_add_text.pl */
|
|
{ &hf_srvloc_timestamp, { "Timestamp", "srvloc.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_block_structure_descriptor, { "Block Structure Descriptor", "srvloc.block_structure_descriptor", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_authenticator_length, { "Authenticator length", "srvloc.authenticator_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_authentication_block, { "Authentication block", "srvloc.authentication_block", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_service_type, { "Service Type", "srvloc.service_type", FT_UINT8, BASE_DEC, VALS(srvloc_svc), 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_communication_type, { "Communication Type", "srvloc.communication_type", FT_UINT8, BASE_DEC, VALS(srvloc_ss), 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_protocol, { "Protocol", "srvloc.protocol", FT_UINT32, BASE_DEC, VALS(srvloc_prot), 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_port, { "Port", "srvloc.port", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_network, { "Network", "srvloc.network", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_node, { "Node", "srvloc.node", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_socket, { "Socket", "srvloc.socket", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_item, { "Item", "srvloc.item", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_dialect, { "Dialect", "srvloc.dialect", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_language, { "Language", "srvloc.language", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_encoding, { "Encoding", "srvloc.encoding", FT_UINT16, BASE_DEC, VALS(charsets), 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_transaction_id, { "Transaction ID", "srvloc.transaction_id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_srvloc_service_type_count, { "Service Type Count", "srvloc.service_type_count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_srvloc,
|
|
&ett_srvloc_attr,
|
|
&ett_srvloc_flags,
|
|
};
|
|
static ei_register_info ei[] = {
|
|
{ &ei_srvloc_error, { "srvloc.err.expert", PI_RESPONSE_CODE, PI_ERROR, "Error", EXPFILL }},
|
|
{ &ei_srvloc_error_v2, { "srvloc.errv2.expert", PI_RESPONSE_CODE, PI_ERROR, "Error", EXPFILL }},
|
|
{ &ei_srvloc_function_unknown, { "srvloc.function.unknown", PI_RESPONSE_CODE, PI_ERROR, "Unknown Function Type", EXPFILL }},
|
|
{ &ei_srvloc_malformed, { "srvloc.malformed", PI_MALFORMED, PI_ERROR, "Too much data to pass inside this protocol. Resubmit request using a streaming protocol like TCP. "
|
|
"Protocol dissection is aborted due to packet overflow. See overflow flag.", EXPFILL }},
|
|
};
|
|
|
|
module_t *srvloc_module;
|
|
expert_module_t* expert_srvloc;
|
|
|
|
proto_srvloc = proto_register_protocol("Service Location Protocol",
|
|
"SRVLOC", "srvloc");
|
|
proto_register_field_array(proto_srvloc, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_srvloc = expert_register_protocol(proto_srvloc);
|
|
expert_register_field_array(expert_srvloc, ei, array_length(ei));
|
|
srvloc_module = prefs_register_protocol(proto_srvloc, NULL);
|
|
prefs_register_bool_preference(srvloc_module, "desegment_tcp",
|
|
"Reassemble SRVLOC messages spanning multiple TCP segments",
|
|
"Whether the SRVLOC dissector should reassemble messages spanning multiple TCP segments. "
|
|
"To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
&srvloc_desegment);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_srvloc(void)
|
|
{
|
|
dissector_handle_t srvloc_handle, srvloc_tcp_handle;
|
|
srvloc_handle = create_dissector_handle(dissect_srvloc, proto_srvloc);
|
|
dissector_add_uint_with_preference("udp.port", UDP_PORT_SRVLOC, srvloc_handle);
|
|
srvloc_tcp_handle = create_dissector_handle(dissect_srvloc_tcp,
|
|
proto_srvloc);
|
|
dissector_add_uint_with_preference("tcp.port", TCP_PORT_SRVLOC, srvloc_tcp_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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