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wireshark/epan/dissectors/packet-ndp.c

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/* packet-ndp.c
* Routines for the disassembly of the Nortel Discovery Protocol, formerly
* the SynOptics Network Management Protocol (SONMP).
* (c) Copyright Giles Scott <giles.scott1 [AT] arubanetworks.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This protocol has gone by many names over the years:
*
* Bay Discovery Protocol (BDP), Bay Topology Protocol, Bay Network Management
* Protocol (BNMP), Nortel Management MIB (NMM), Nortel Topology Discovery
* Protocol (NTDP), SynOptics Network Management Protocol (SONMP).
* (source: Wikipedia article on "Nortel Discovery Protocol")
*
*/
#include "config.h"
#include <epan/packet.h>
void proto_register_ndp(void);
void proto_reg_handoff_ndp(void);
/* Although this protocol is proprietary it is documented in the SynOptics MIB's
* So I'm not giving anything away :-)
* The only thing I have not done is decode the segment identifier;
* This changes so much depending on whether the chassis supports
* multi-segment autotopology. As the 5000 is now EOL don't see much point.
*
* MIB's s5emt104.mib, s5tcs112.mib, synro199.mib these should be available via
* http://www.nortelnetworks.com
*/
/* chassis types */
/* Last updated from version 229 ("200609010000Z") of SnpxChassisType in SYNOPTICS-ROOT-MIB.mib */
static const value_string ndp_chassis_val[] =
{
{ 1, "other"},
{ 2, "3000"},
{ 3, "3030"},
{ 4, "2310"},
{ 5, "2810"},
{ 6, "2912"},
{ 7, "2914"},
{ 8, "271x"},
{ 9, "2813"},
{ 10, "2814"},
{ 11, "2915"},
{ 12, "5000"},
{ 13, "2813SA"},
{ 14, "2814SA"},
{ 15, "810M"},
{ 16, "Ethercell"},
{ 17, "5005"},
{ 18, "Alcatel Ethernet workgroup conc."},
{ 20, "2715SA"},
{ 21, "2486"},
{ 22, "28000 series"},
{ 23, "23000 series"},
{ 24, "5DN00x series"},
{ 25, "BayStack Ethernet"},
{ 26, "23100 series"},
{ 27, "100Base-T Hub"},
{ 28, "3000 Fast Ethernet"},
{ 29, "Orion switch"},
/* 30 is "not used" */
{ 31, "DDS"},
{ 32, "Centillion (6 slot)"},
{ 33, "Centillion (12 slot)"},
{ 34, "Centillion (1 slot)"},
{ 35, "BayStack 301"},
{ 36, "BayStack TokenRing Hub"},
{ 37, "FVC Multimedia Switch"},
{ 38, "Switch Node"},
{ 39, "BayStack 302 Switch"},
{ 40, "BayStack 350 Switch"},
{ 41, "BayStack 150 Ethernet Hub"},
{ 42, "Centillion 50N switch"},
{ 43, "Centillion 50T switch"},
{ 44, "BayStack 303 and 304 Switches"},
{ 45, "BayStack 200 Ethernet Hub"},
{ 46, "BayStack 250 10/100 Ethernet Hub"},
/*{ 47, "StackProbe"}, XXX - No longer listed */
{ 48, "BayStack 450 10/100/1000 Switches"},
{ 49, "BayStack 410 10/100 Switches"},
{ 50, "Passport 1200 L3 Switch"},
{ 51, "Passport 1250 L3 Switch"},
{ 52, "Passport 1100 L3 Switch"},
{ 53, "Passport 1150 L3 Switch"},
{ 54, "Passport 1050 L3 Switch"},
{ 55, "Passport 1051 L3 Switch"},
{ 56, "Passport 8610 L3 Switch"},
{ 57, "Passport 8606 L3 Switch"},
{ 58, "Passport 8010"},
{ 59, "Passport 8006"},
{ 60, "BayStack 670 wireless access point"},
{ 61, "Passport 740"},
{ 62, "Passport 750"},
{ 63, "Passport 790"},
{ 64, "Business Policy Switch 2000 10/100 Switches"},
{ 65, "Passport 8110 L2 Switch"},
{ 66, "Passport 8106 L2 Switch"},
{ 67, "BayStack 3580 Gig Switch"},
{ 68, "BayStack 10 Power Supply Unit"},
{ 69, "BayStack 420 10/100 Switch"},
{ 70, "OPTera Metro 1200 Ethernet Service Module"},
{ 71, "OPTera 8010co"},
{ 72, "OPTera 8610co L3 switch"},
{ 73, "OPTera 8110co L2 switch"},
{ 74, "OPTera 8003"},
{ 75, "OPTera 8603 L3 switch"},
{ 76, "OPTera 8103 L2 switch"},
{ 77, "BayStack 380 10/100/1000 Switch"},
{ 78, "Ethernet Switch 470-48T"},
{ 79, "OPTera Metro 1450 Ethernet Service Module"},
{ 80, "OPTera Metro 1400 Ethernet Service Module"},
{ 81, "Alteon Switch Family"},
{ 82, "Ethernet Switch 460-24T-PWR"},
{ 83, "OPTera Metro 8010 OPM L2 Switch"},
{ 84, "OPTera Metro 8010co OPM L2 Switch"},
{ 85, "OPTera Metro 8006 OPM L2 Switch"},
{ 86, "OPTera Metro 8003 OPM L2 Switch"},
{ 87, "Alteon 180e"},
{ 88, "Alteon AD3"},
{ 89, "Alteon 184"},
{ 90, "Alteon AD4"},
{ 91, "Passport 1424 L3 switch"},
{ 92, "Passport 1648 L3 switch"},
{ 93, "Passport 1612 L3 switch"},
{ 94, "Passport 1624 L3 switch"},
{ 95, "BayStack 380-24F Fiber 1000 Switch"},
{ 96, "Ethernet Routing Switch 5510-24T"},
{ 97, "Ethernet Routing Switch 5510-48T"},
{ 98, "Ethernet Switch 470-24T"},
{ 99, "Nortel Networks Wireless LAN Access Point 2220"},
{100, "Passport RBS 2402 L3 switch"},
{101, "Alteon Application Switch 2424"},
{102, "Alteon Application Switch 2224"},
{103, "Alteon Application Switch 2208"},
{104, "Alteon Application Switch 2216"},
{105, "Alteon Application Switch 3408"},
{106, "Alteon Application Switch 3416"},
{107, "Nortel Networks Wireless LAN SecuritySwitch 2250"},
{108, "Ethernet Switch 425-48T"},
{109, "Ethernet Switch 425-24T"},
{110, "Nortel Networks Wireless LAN Access Point 2221"},
{111, "Nortel Metro Ethernet Service Unit 24-T SPF switch"},
{112, " Nortel Metro Ethernet Service Unit 24-T LX DC switch"},
{113, "Passport 8300 10-slot chassis"},
{114, "Passport 8300 6-slot chassis"},
{115, "Ethernet Routing Switch 5520-24T-PWR"},
{116, "Ethernet Routing Switch 5520-48T-PWR"},
{117, "Nortel Networks VPN Gateway 3050"},
{118, "Alteon SSL 310 10/100"},
{119, "Alteon SSL 310 10/100 Fiber"},
{120, "Alteon SSL 310 10/100 FIPS"},
{121, "Alteon SSL 410 10/100/1000"},
{122, "Alteon SSL 410 10/100/1000 Fiber"},
{123, "Alteon Application Switch 2424-SSL"},
{124, "Ethernet Switch 325-24T"},
{125, "Ethernet Switch 325-24G"},
{126, "Nortel Networks Wireless LAN Access Point 2225"},
{127, "Nortel Networks Wireless LAN SecuritySwitch 2270"},
{128, "24-port Ethernet Switch 470-24T-PWR"},
{129, "48-port Ethernet Switch 470-48T-PWR"},
{130, "Ethernet Routing Switch 5530-24TFD"},
{131, "Ethernet Switch 3510-24T"},
{132, "Nortel Metro Ethernet Service Unit 12G AC L3 switch"},
{133, "Nortel Metro Ethernet Service Unit 12G DC L3 switch"},
{134, "Nortel Secure Access Switch"},
{135, "Nortel Networks VPN Gateway 3070"},
{136, "OPTera Metro 3500"},
{137, "SMB BES 1010 24T"},
{138, "SMB BES 1010 48T"},
{139, "SMB BES 1020 24T PWR"},
{140, "SMB BES 1020 48T PWR"},
{141, "SMB BES 2010 24T"},
{142, "SMB BES 2010 48T"},
{143, "SMB BES 2020 24T PWR"},
{144, "SMB BES 2020 48T PWR"},
{145, "SMB BES 110 24T"},
{146, "SMB BES 110 48T"},
{147, "SMB BES 120 24T PWR"},
{148, "SMB BES 120 48T PWR"},
{149, "SMB BES 210 24T"},
{150, "SMB BES 210 48T"},
{151, "SMB BES 220 24T PWR"},
{152, "SMB BES 220 48T PWR"},
{153, "OME 6500"},
{154, "Ethernet Routing Switch 4548GT"},
{155, "Ethernet Routing Switch 4548GT-PWR"},
{156, "Ethernet Routing Switch 4550T"},
{157, "Ethernet Routing Switch 4550T-PWR"},
{158, "Ethernet Routing Switch 4526FX"},
{159, "Ethernet Routing Switch 2500-26T"},
{160, "Ethernet Routing Switch 2500-26T-PWR"},
{161, "Ethernet Routing Switch 2500-50T"},
{162, "Ethernet Routing Switch 2500-50T-PWR"},
{213, "Virtual Services Platform 8284XSQ"},
{0, NULL}
};
static value_string_ext ndp_chassis_val_ext = VALUE_STRING_EXT_INIT(ndp_chassis_val);
/* from synro179.mib - SnpxBackplaneType */
static const value_string ndp_backplane_val[] =
{
{ 1, "Other"},
{ 2, "Ethernet"},
{ 3, "Ethernet and Tokenring"},
{ 4, "Ethernet and FDDI"},
{ 5, "Ethernet, Tokenring and FDDI"},
{ 6, "Ethernet and Tokenring with redundant power"},
{ 7, "Ethernet, Tokenring, FDDI with redundant power"},
{ 8, "Token Ring"},
{ 9, "Ethernet, Tokenring and Fast Ethernet"},
{10, "Ethernet and Fast Ethernet"},
{11, "Ethernet, Tokenring, Fast Ethernet with redundant power"},
{12, "Ethernet, Fast Ethernet and Gigabit Ethernet"},
{0, NULL}
};
static value_string_ext ndp_backplane_val_ext = VALUE_STRING_EXT_INIT(ndp_backplane_val);
static const value_string ndp_state_val[] =
{
{1, "Topology Change"},
{2, "Heartbeat"},
{3, "New"},
{0, NULL}
};
/* Offsets in NDP Hello structure. */
#define NDP_IP_ADDRESS 0
#define NDP_SEGMENT_IDENTIFIER 4
#define NDP_CHASSIS_TYPE 7
#define NDP_BACKPLANE_TYPE 8
#define NDP_STATE 9
#define NDP_NUMBER_OF_LINKS 10
static int proto_ndp = -1;
static int hf_ndp_ip_address = -1;
static int hf_ndp_segment_identifier = -1;
static int hf_ndp_chassis_type = -1;
static int hf_ndp_backplane_type = -1;
static int hf_ndp_state = -1;
static int hf_ndp_number_of_links = -1;
static gint ett_ndp = -1;
static dissector_handle_t ndp_handle;
static int
dissect_ndp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
const char *hello_type;
proto_tree *ndp_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NDP");
hello_type = "";
if (pinfo->dl_dst.type == AT_ETHER) {
const guint8 *dstmac = (const guint8 *)pinfo->dl_dst.data;
switch (dstmac[5]) {
case 0:
hello_type = "Segment ";
break;
case 1:
hello_type = "FlatNet ";
break;
}
}
col_add_fstr(pinfo->cinfo, COL_INFO, "%sHello", hello_type);
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_ndp, tvb, 0, 11,
"Nortel Discovery Protocol");
ndp_tree = proto_item_add_subtree(ti, ett_ndp);
proto_tree_add_item(ndp_tree, hf_ndp_ip_address, tvb,
NDP_IP_ADDRESS, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(ndp_tree, hf_ndp_segment_identifier, tvb,
NDP_SEGMENT_IDENTIFIER, 3, ENC_BIG_ENDIAN);
proto_tree_add_item(ndp_tree, hf_ndp_chassis_type, tvb,
NDP_CHASSIS_TYPE, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ndp_tree, hf_ndp_backplane_type, tvb,
NDP_BACKPLANE_TYPE, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ndp_tree, hf_ndp_state, tvb,
NDP_STATE, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ndp_tree, hf_ndp_number_of_links, tvb,
NDP_NUMBER_OF_LINKS, 1, ENC_BIG_ENDIAN);
}
return tvb_captured_length(tvb);
}
void
proto_register_ndp(void)
{
static hf_register_info hf[] = {
{ &hf_ndp_ip_address,
{ "IP address", "ndp.ipaddress", FT_IPv4, BASE_NONE, NULL, 0x0,
"IP address of the Network Management Module (NMM))", HFILL }},
{ &hf_ndp_segment_identifier,
{ "Segment Identifier", "ndp.segmentident", FT_UINT24, BASE_HEX, NULL, 0x0,
"Segment id of the segment from which the agent is sending the topology message", HFILL }},
{ &hf_ndp_chassis_type,
{ "Chassis type", "ndp.chassis", FT_UINT8, BASE_DEC|BASE_EXT_STRING,
&ndp_chassis_val_ext, 0x0,
"Chassis type of the agent sending the topology message", HFILL }},
{ &hf_ndp_backplane_type,
{ "Backplane type", "ndp.backplane", FT_UINT8, BASE_DEC|BASE_EXT_STRING,
&ndp_backplane_val_ext, 0x0,
"Backplane type of the agent sending the topology message", HFILL }},
{ &hf_ndp_state,
{ "State", "ndp.state", FT_UINT8, BASE_DEC,
VALS(ndp_state_val), 0x0,
"Current state of this Network Management Module (NMM)", HFILL }},
{ &hf_ndp_number_of_links,
{ "Number of links", "ndp.numberoflinks", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of interconnect ports", HFILL }},
};
static gint *ett[] = {
&ett_ndp,
};
proto_ndp = proto_register_protocol("Nortel Discovery Protocol", "NDP", "ndp");
proto_register_field_array(proto_ndp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
ndp_handle = register_dissector("ndp", dissect_ndp, proto_ndp);
}
void
proto_reg_handoff_ndp(void)
{
dissector_add_uint("llc.nortel_pid", 0x01a1, ndp_handle); /* flatnet hello */
dissector_add_uint("llc.nortel_pid", 0x01a2, ndp_handle); /* Segment hello */
/* not got round to adding this but it's really old, so I'm not sure people will see it */
/* it uses a different packet format */
/* dissector_add_uint("llc.nortel_pid", 0x01a3, ndp_handle); */ /* Bridge hello */
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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