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wireshark/epan/dissectors/packet-ipx.c

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/* packet-ipx.c
* Routines for NetWare's IPX
* Gilbert Ramirez <gram@alumni.rice.edu>
* NDPS support added by Greg Morris (gmorris@novell.com)
*
* Portions Copyright (c) 2000-2002 by Gilbert Ramirez.
* Portions Copyright (c) Novell, Inc. 2002-2003
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/capture_dissectors.h>
#include "packet-ipx.h"
#include "packet-sll.h"
#include <epan/addr_resolv.h>
#include <epan/etypes.h>
#include <epan/ppptypes.h>
#include <epan/llcsaps.h>
#include <epan/aftypes.h>
#include <epan/arcnet_pids.h>
#include <epan/conversation.h>
#include <epan/conversation_table.h>
#include <epan/proto_data.h>
void proto_register_ipx(void);
void proto_reg_handoff_ipx(void);
static int ipx_tap = -1;
/* The information in this module (IPX, SPX, NCP) comes from:
NetWare LAN Analysis, Second Edition
Laura A. Chappell and Dan E. Hakes
(c) 1994 Novell, Inc.
Novell Press, San Jose.
ISBN: 0-7821-1362-1
And from the ncpfs source code by Volker Lendecke
*/
static int proto_ipx = -1;
static int hf_ipx_checksum = -1;
static int hf_ipx_len = -1;
static int hf_ipx_src = -1;
static int hf_ipx_dst = -1;
static int hf_ipx_addr = -1;
static int hf_ipx_hops = -1;
static int hf_ipx_packet_type = -1;
static int hf_ipx_dnet = -1;
static int hf_ipx_dnode = -1;
static int hf_ipx_dsocket = -1;
static int hf_ipx_snet = -1;
static int hf_ipx_snode = -1;
static int hf_ipx_ssocket = -1;
static int hf_ipx_net = -1;
static int hf_ipx_node = -1;
static int hf_ipx_socket = -1;
static gint ett_ipx = -1;
static dissector_table_t ipx_type_dissector_table;
static dissector_table_t ipx_socket_dissector_table;
static dissector_table_t spx_socket_dissector_table;
static dissector_handle_t ipx_handle;
static dissector_handle_t ipxsap_handle;
static int proto_spx = -1;
static int hf_spx_connection_control = -1;
static int hf_spx_connection_control_sys = -1;
static int hf_spx_connection_control_send_ack = -1;
static int hf_spx_connection_control_attn = -1;
static int hf_spx_connection_control_eom = -1;
static int hf_spx_connection_control_v2 = -1;
static int hf_spx_connection_control_neg_size = -1;
static int hf_spx_connection_control_reserved = -1;
static int hf_spx_connection_control_ext_header = -1;
static int hf_spx_datastream_type = -1;
static int hf_spx_src_id = -1;
static int hf_spx_dst_id = -1;
static int hf_spx_seq_nr = -1;
static int hf_spx_ack_nr = -1;
static int hf_spx_all_nr = -1;
static int hf_spx_neg_size = -1;
static int hf_spx_rexmt_frame = -1;
static int hf_spx_rexmt_data = -1;
static gint ett_spx = -1;
static gint ett_spx_connctrl = -1;
static int proto_ipxrip = -1;
static int hf_ipxrip_request = -1;
static int hf_ipxrip_response = -1;
static int hf_ipxrip_packet_type = -1;
static int hf_ipxrip_route_vector = -1;
static int hf_ipxrip_hops = -1;
static int hf_ipxrip_ticks = -1;
static gint ett_ipxrip = -1;
static int proto_serialization = -1;
static int hf_serial_number = -1;
static gint ett_serialization = -1;
static int proto_sap = -1;
static int hf_sap_request = -1;
static int hf_sap_response = -1;
static int hf_sap_packet_type = -1;
static int hf_sap_server = -1;
static int hf_sap_server_type = -1;
static int hf_sap_server_name = -1;
static int hf_sap_server_network = -1;
static int hf_sap_server_node = -1;
static int hf_sap_server_socket = -1;
static int hf_sap_server_intermediate_networks = -1;
static gint ett_ipxsap = -1;
static gint ett_ipxsap_server = -1;
static gint ett_ipxmsg = -1;
static int proto_ipxmsg = -1;
static int hf_msg_conn = -1;
static int hf_msg_sigchar = -1;
#define UDP_PORT_IPX 213 /* RFC 1234 */
#define IPX_HEADER_LEN 30 /* It's *always* 30 bytes */
static const char* ipx_conv_get_filter_type(conv_item_t* conv, conv_filter_type_e filter)
{
if ((filter == CONV_FT_SRC_ADDRESS) && (conv->src_address.type == AT_IPX))
return "ipx.src";
if ((filter == CONV_FT_DST_ADDRESS) && (conv->dst_address.type == AT_IPX))
return "ipx.dst";
if ((filter == CONV_FT_ANY_ADDRESS) && (conv->src_address.type == AT_IPX))
return "ipx.addr";
return CONV_FILTER_INVALID;
}
static ct_dissector_info_t ipx_ct_dissector_info = {&ipx_conv_get_filter_type};
static tap_packet_status
ipx_conversation_packet(void *pct, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip, tap_flags_t flags)
{
conv_hash_t *hash = (conv_hash_t*) pct;
hash->flags = flags;
const ipxhdr_t *ipxh=(const ipxhdr_t *)vip;
add_conversation_table_data(hash, &ipxh->ipx_src, &ipxh->ipx_dst, 0, 0, 1, pinfo->fd->pkt_len, &pinfo->rel_ts, &pinfo->abs_ts, &ipx_ct_dissector_info, CONVERSATION_NONE);
return TAP_PACKET_REDRAW;
}
static const char* ipx_endpoint_get_filter_type(endpoint_item_t* endpoint, conv_filter_type_e filter)
{
if ((filter == CONV_FT_ANY_ADDRESS) && (endpoint->myaddress.type == AT_IPX))
return "ipx.addr";
return CONV_FILTER_INVALID;
}
static et_dissector_info_t ipx_endpoint_dissector_info = {&ipx_endpoint_get_filter_type};
static tap_packet_status
ipx_endpoint_packet(void *pit, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip, tap_flags_t flags)
{
conv_hash_t *hash = (conv_hash_t*) pit;
hash->flags = flags;
const ipxhdr_t *ipxh=(const ipxhdr_t *)vip;
/* Take two "add" passes per packet, adding for each direction, ensures that all
packets are counted properly (even if address is sending to itself)
XXX - this could probably be done more efficiently inside endpoint_table */
add_endpoint_table_data(hash, &ipxh->ipx_src, 0, TRUE, 1, pinfo->fd->pkt_len, &ipx_endpoint_dissector_info, ENDPOINT_NONE);
add_endpoint_table_data(hash, &ipxh->ipx_dst, 0, FALSE, 1, pinfo->fd->pkt_len, &ipx_endpoint_dissector_info, ENDPOINT_NONE);
return TAP_PACKET_REDRAW;
}
/* ================================================================= */
/* IPX */
/* ================================================================= */
static const value_string ipx_socket_vals[] = {
{ IPX_SOCKET_PING_CISCO, "CISCO PING" },
{ IPX_SOCKET_NCP, "NCP" },
{ IPX_SOCKET_SAP, "SAP" },
{ IPX_SOCKET_IPXRIP, "RIP" },
{ IPX_SOCKET_NETBIOS, "NetBIOS" },
{ IPX_SOCKET_DIAGNOSTIC, "Diagnostic" },
{ IPX_SOCKET_SERIALIZATION, "Serialization" },
{ IPX_SOCKET_NWLINK_SMB_SERVER, "NWLink SMB Server" },
{ IPX_SOCKET_NWLINK_SMB_NAMEQUERY, "NWLink SMB Name Query" },
{ IPX_SOCKET_NWLINK_SMB_REDIR, "NWLink SMB Redirector" },
{ IPX_SOCKET_NWLINK_SMB_MAILSLOT, "NWLink SMB Mailslot Datagram" },
{ IPX_SOCKET_NWLINK_SMB_MESSENGER, "NWLink SMB Messenger" },
{ IPX_SOCKET_NWLINK_SMB_BROWSE, "NWLink SMB Browse" },
{ IPX_SOCKET_ATTACHMATE_GW, "Attachmate Gateway" },
{ IPX_SOCKET_IPX_MESSAGE, "IPX Message" },
{ IPX_SOCKET_IPX_MESSAGE1, "IPX Message" },
{ 0x4006, "NetWare Directory Server" },
{ 0x400C, "HP LaserJet/QuickSilver" },
{ 0x8104, "NetWare 386" },
{ IPX_SOCKET_ADSM, "ADSM" },
{ IPX_SOCKET_EIGRP, "Cisco EIGRP for IPX" },
{ 0x8F83, "Powerchute UPS Monitoring" },
{ IPX_SOCKET_NLSP, "NetWare Link Services Protocol" },
{ IPX_SOCKET_IPXWAN, "IPX WAN" },
{ IPX_SOCKET_SNMP_AGENT, "SNMP Agent" },
{ IPX_SOCKET_SNMP_SINK, "SNMP Sink" },
{ 0x907B, "SMS Testing and Development" },
{ IPX_SOCKET_PING_NOVELL, "Novell PING" },
{ IPX_SOCKET_TCP_TUNNEL, "TCP Tunnel" },
{ IPX_SOCKET_UDP_TUNNEL, "UDP Tunnel" },
{ SPX_SOCKET_PA, "NDPS Printer Agent/PSM" },
{ SPX_SOCKET_BROKER, "NDPS Broker" },
{ SPX_SOCKET_SRS, "NDPS Service Registry Service" },
{ SPX_SOCKET_ENS, "NDPS Event Notification Service" },
{ SPX_SOCKET_RMS, "NDPS Remote Management Service" },
{ SPX_SOCKET_NOTIFY_LISTENER, "NDPS Notify Listener" },
{ 0xE885, "NT Server-RPC/GW" },
{ 0x0000, NULL }
};
value_string_ext ipx_socket_vals_ext = VALUE_STRING_EXT_INIT(ipx_socket_vals);
static const value_string ipx_packet_type_vals[] = {
{ IPX_PACKET_TYPE_IPX, "IPX" },
{ IPX_PACKET_TYPE_RIP, "RIP" },
{ IPX_PACKET_TYPE_ECHO, "Echo" },
{ IPX_PACKET_TYPE_ERROR, "Error" },
{ IPX_PACKET_TYPE_PEP, "PEP" }, /* Packet Exchange Packet */
{ IPX_PACKET_TYPE_SPX, "SPX" },
{ 16, "Experimental Protocol" },
{ IPX_PACKET_TYPE_NCP, "NCP" },
{ 18, "Experimental Protocol" },
{ 19, "Experimental Protocol" },
{ IPX_PACKET_TYPE_WANBCAST, "NetBIOS Broadcast" },
{ 21, "Experimental Protocol" },
{ 22, "Experimental Protocol" },
{ 23, "Experimental Protocol" },
{ 24, "Experimental Protocol" },
{ 25, "Experimental Protocol" },
{ 26, "Experimental Protocol" },
{ 27, "Experimental Protocol" },
{ 28, "Experimental Protocol" },
{ 29, "Experimental Protocol" },
{ 30, "Experimental Protocol" },
{ 31, "Experimental Protocol" },
{ 0, NULL }
};
static const value_string ipxmsg_sigchar_vals[] = {
{ '?', "Poll inactive station" },
{ 'Y', "Station is still using the connection" },
{ '!', "Broadcast message waiting" },
{ 0, NULL }
};
static gboolean
capture_ipx(const guchar *pd _U_, int offset _U_, int len _U_, capture_packet_info_t *cpinfo, const union wtap_pseudo_header *pseudo_header _U_)
{
capture_dissector_increment_count(cpinfo, proto_ipx);
return TRUE;
}
static int
dissect_ipx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
tvbuff_t *next_tvb;
proto_tree *ipx_tree = NULL;
proto_item *ti = NULL, *hidden_item;
guint8 ipx_hops;
char *str;
guint16 first_socket, second_socket;
guint32 ipx_snet, ipx_dnet;
static ipxhdr_t ipxh_arr[4];
static int ipx_current=0;
ipxhdr_t *ipxh;
ipx_current++;
if(ipx_current==4){
ipx_current=0;
}
ipxh=&ipxh_arr[ipx_current];
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX");
col_clear(pinfo->cinfo, COL_INFO);
/* Calculate here for use in pinfo and in tree */
ipxh->ipx_dsocket = tvb_get_ntohs(tvb, 16);
ipxh->ipx_ssocket = tvb_get_ntohs(tvb, 28);
ipxh->ipx_type = tvb_get_guint8(tvb, 5);
ipxh->ipx_length = tvb_get_ntohs(tvb, 2);
pinfo->ptype = PT_IPX;
pinfo->srcport = ipxh->ipx_ssocket;
pinfo->destport = ipxh->ipx_dsocket;
/* Adjust the tvbuff length to include only the IPX datagram. */
set_actual_length(tvb, ipxh->ipx_length);
set_address_tvb(&pinfo->net_src, AT_IPX, 10, tvb, 18);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
copy_address_shallow(&ipxh->ipx_src, &pinfo->net_src);
set_address_tvb(&pinfo->net_dst, AT_IPX, 10, tvb, 6);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
copy_address_shallow(&ipxh->ipx_dst, &pinfo->net_dst);
col_add_str(pinfo->cinfo, COL_INFO, val_to_str_ext(ipxh->ipx_dsocket, &ipx_socket_vals_ext, "Unknown (0x%04x)"));
if (tree) {
ti = proto_tree_add_item(tree, proto_ipx, tvb, 0, IPX_HEADER_LEN, ENC_NA);
ipx_tree = proto_item_add_subtree(ti, ett_ipx);
}
str=address_to_str(pinfo->pool, &pinfo->net_src);
hidden_item = proto_tree_add_string(ipx_tree, hf_ipx_src, tvb, 0, 0, str);
proto_item_set_hidden(hidden_item);
hidden_item = proto_tree_add_string(ipx_tree, hf_ipx_addr, tvb, 0, 0, str);
proto_item_set_hidden(hidden_item);
str=address_to_str(pinfo->pool, &pinfo->net_dst);
hidden_item = proto_tree_add_string(ipx_tree, hf_ipx_dst, tvb, 0, 0, str);
proto_item_set_hidden(hidden_item);
hidden_item = proto_tree_add_string(ipx_tree, hf_ipx_addr, tvb, 0, 0, str);
proto_item_set_hidden(hidden_item);
proto_tree_add_checksum(ipx_tree, tvb, 0, hf_ipx_checksum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
proto_tree_add_uint(ipx_tree, hf_ipx_len, tvb, 2, 2, ipxh->ipx_length);
ipx_hops = tvb_get_guint8(tvb, 4);
proto_tree_add_uint_format(ipx_tree, hf_ipx_hops, tvb, 4, 1, ipx_hops,
"Transport Control: %d hops", ipx_hops);
proto_tree_add_uint(ipx_tree, hf_ipx_packet_type, tvb, 5, 1, ipxh->ipx_type);
/* Destination */
ipx_dnet = tvb_get_ntohl(tvb, 6);
proto_tree_add_ipxnet(ipx_tree, hf_ipx_dnet, tvb, 6, 4,
ipx_dnet);
hidden_item = proto_tree_add_ipxnet(ipx_tree, hf_ipx_net, tvb, 6, 4,
ipx_dnet);
proto_item_set_hidden(hidden_item);
proto_tree_add_item(ipx_tree, hf_ipx_dnode, tvb, 10, 6, ENC_NA);
hidden_item = proto_tree_add_item(ipx_tree, hf_ipx_node, tvb, 10, 6, ENC_NA);
proto_item_set_hidden(hidden_item);
proto_tree_add_uint(ipx_tree, hf_ipx_dsocket, tvb, 16, 2,
ipxh->ipx_dsocket);
hidden_item = proto_tree_add_uint(ipx_tree, hf_ipx_socket, tvb, 16, 2,
ipxh->ipx_dsocket);
proto_item_set_hidden(hidden_item);
/* Source */
ipx_snet = tvb_get_ntohl(tvb, 18);
proto_tree_add_ipxnet(ipx_tree, hf_ipx_snet, tvb, 18, 4,
ipx_snet);
hidden_item = proto_tree_add_ipxnet(ipx_tree, hf_ipx_net, tvb, 18, 4,
ipx_snet);
proto_item_set_hidden(hidden_item);
proto_tree_add_item(ipx_tree, hf_ipx_snode, tvb, 22, 6, ENC_NA);
hidden_item = proto_tree_add_item(ipx_tree, hf_ipx_node, tvb, 22, 6, ENC_NA);
proto_item_set_hidden(hidden_item);
proto_tree_add_uint(ipx_tree, hf_ipx_ssocket, tvb, 28, 2,
ipxh->ipx_ssocket);
hidden_item = proto_tree_add_uint(ipx_tree, hf_ipx_socket, tvb, 28, 2,
ipxh->ipx_ssocket);
proto_item_set_hidden(hidden_item);
/* Make the next tvbuff */
next_tvb = tvb_new_subset_remaining(tvb, IPX_HEADER_LEN);
/*
* Check the socket numbers before we check the packet type;
* we've seen non-NCP packets with a type of NCP and a
* destination socket of IPX_SOCKET_IPX_MESSAGE, and SAP
* packets with a type of NCP and a destination socket of
* IPX_SOCKET_SAP.
*
* We've seen NCP packets with a type of NCP, a source socket of
* IPX_SOCKET_NCP, and a destination socket of IPX_SOCKET_IPX_MESSAGE,
* and we've seen NCP packets with a type of NCP, a source socket of
* IPX_SOCKET_IPX_MESSAGE, and a destination socket of
* IPX_SOCKET_NCP, so testing the destination socket first doesn't
* always give the right answer. We've also seen SAP packets with
* a source socket of IPX_SOCKET_SAP and a destination socket of
* IPX_SOCKET_IPX_MESSAGE.
*
* Unfortunately, we've also seen packets with a source socket
* of IPX_SOCKET_NWLINK_SMB_SERVER and a destination socket
* of IPX_SOCKET_NWLINK_SMB_NAMEQUERY that were NMPI packets,
* not SMB packets, so testing the lower-valued socket first
* also doesn't always give the right answer.
*
* So we start out assuming we should test the lower-numbered
* socket number first, but, if the higher-numbered socket is
* IPX_SOCKET_NWLINK_SMB_NAMEQUERY, we assume that it's a
* NMPI query, and test only that socket.
*/
if (ipxh->ipx_ssocket > ipxh->ipx_dsocket) {
first_socket = ipxh->ipx_dsocket;
second_socket = ipxh->ipx_ssocket;
} else {
first_socket = ipxh->ipx_ssocket;
second_socket = ipxh->ipx_dsocket;
}
tap_queue_packet(ipx_tap, pinfo, ipxh);
if (second_socket != IPX_SOCKET_NWLINK_SMB_NAMEQUERY) {
if (dissector_try_uint_new(ipx_socket_dissector_table, first_socket,
next_tvb, pinfo, tree, FALSE, ipxh))
return tvb_captured_length(tvb);
}
if (dissector_try_uint_new(ipx_socket_dissector_table, second_socket,
next_tvb, pinfo, tree, FALSE, ipxh))
return tvb_captured_length(tvb);
/*
* Neither of them are known; try the packet type, which will
* at least let us, for example, dissect SPX packets as SPX.
*/
if (dissector_try_uint_new(ipx_type_dissector_table, ipxh->ipx_type, next_tvb,
pinfo, tree, FALSE, ipxh))
return tvb_captured_length(tvb);
call_data_dissector(next_tvb, pinfo, tree);
return tvb_captured_length(tvb);
}
/* ================================================================= */
/* SPX Hash Functions */
/* ================================================================= */
typedef struct {
conversation_t *conversation;
guint32 spx_src;
guint16 spx_seq;
} spx_hash_key;
typedef struct {
guint16 spx_ack;
guint16 spx_all;
guint32 num;
} spx_hash_value;
/*
* Structure attached to retransmitted SPX frames; it contains the
* frame number of the original transmission.
*/
typedef struct {
guint32 num;
} spx_rexmit_info;
static wmem_map_t *spx_hash = NULL;
/* Hash Functions */
static gint
spx_equal(gconstpointer v, gconstpointer v2)
{
const spx_hash_key *val1 = (const spx_hash_key*)v;
const spx_hash_key *val2 = (const spx_hash_key*)v2;
if (val1->conversation == val2->conversation &&
val1->spx_src == val2->spx_src &&
val1->spx_seq == val2->spx_seq) {
return 1;
}
return 0;
}
static guint
spx_hash_func(gconstpointer v)
{
const spx_hash_key *spx_key = (const spx_hash_key*)v;
return GPOINTER_TO_UINT(spx_key->conversation) + spx_key->spx_src;
}
static spx_hash_value*
spx_hash_insert(conversation_t *conversation, guint32 spx_src, guint16 spx_seq)
{
spx_hash_key *key;
spx_hash_value *value;
/* Now remember the packet, so we can find it if we later. */
key = wmem_new(wmem_file_scope(), spx_hash_key);
key->conversation = conversation;
key->spx_src = spx_src;
key->spx_seq = spx_seq;
value = wmem_new0(wmem_file_scope(), spx_hash_value);
wmem_map_insert(spx_hash, key, value);
return value;
}
/* Returns the spx_hash_value*, or NULL if not found. */
static spx_hash_value*
spx_hash_lookup(conversation_t *conversation, guint32 spx_src, guint32 spx_seq)
{
spx_hash_key key;
key.conversation = conversation;
key.spx_src = spx_src;
key.spx_seq = spx_seq;
return (spx_hash_value *)wmem_map_lookup(spx_hash, &key);
}
/* ================================================================= */
/* SPX */
/* ================================================================= */
#define SPX_SYS_PACKET 0x80
#define SPX_SEND_ACK 0x40
#define SPX_ATTN 0x20
#define SPX_EOM 0x10
#define SPX_VII_PACKET 0x08
#define SPX_NEG_SIZE 0x04
#define SPX_RESERVED 0x02
#define SPX_EXT_HEADER 0x01
static const value_string conn_vals[] = {
{ 0x00, "Data, No Ack Required" },
{ SPX_EOM, "End-of-Message" },
{ SPX_ATTN, "Attention" },
{ SPX_SEND_ACK, "Acknowledgment Required"},
{ SPX_SEND_ACK|SPX_EOM, "Send Ack: End Message"},
{ SPX_SYS_PACKET, "System Packet"},
{ SPX_SYS_PACKET|SPX_SEND_ACK, "System Packet: Send Ack"},
{ 0x00, NULL }
};
static const char*
spx_datastream(guint8 type)
{
switch (type) {
case 0xfe:
return "End-of-Connection";
case 0xff:
return "End-of-Connection Acknowledgment";
default:
return NULL;
}
}
#define SPX_HEADER_LEN 12
#define SPX2_HEADER_LEN 14
static int
dissect_spx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *spx_tree;
proto_item *ti;
tvbuff_t *next_tvb;
guint8 conn_ctrl;
guint8 hdr_len = SPX_HEADER_LEN;
guint8 datastream_type;
const char *datastream_type_string;
guint16 spx_seq;
const char *spx_msg_string;
guint16 low_socket, high_socket;
guint32 src;
conversation_t *conversation;
spx_hash_value *pkt_value;
spx_rexmit_info *spx_rexmit_info_p;
spx_info spx_infox;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SPX");
col_set_str(pinfo->cinfo, COL_INFO, "SPX");
conn_ctrl = tvb_get_guint8(tvb, 0);
if ((conn_ctrl & SPX_VII_PACKET) && tvb_get_ntohs(tvb, 4) != 0xffff) {
/* SPX2 packets have an extra two-byte field, unless they have
* a dest-ID of 0xffff... */
hdr_len = SPX2_HEADER_LEN;
}
ti = proto_tree_add_item(tree, proto_spx, tvb, 0, hdr_len, ENC_NA);
spx_tree = proto_item_add_subtree(ti, ett_spx);
spx_msg_string = val_to_str_const((conn_ctrl & 0xf0), conn_vals, "Unknown" );
col_append_fstr(pinfo->cinfo, COL_INFO, " %s", spx_msg_string);
if (tree) {
static int * const spx_flags[] = {
&hf_spx_connection_control_sys,
&hf_spx_connection_control_send_ack,
&hf_spx_connection_control_attn,
&hf_spx_connection_control_eom,
NULL
};
static int * const spx_vii_flags[] = {
&hf_spx_connection_control_sys,
&hf_spx_connection_control_send_ack,
&hf_spx_connection_control_attn,
&hf_spx_connection_control_eom,
&hf_spx_connection_control_v2,
&hf_spx_connection_control_neg_size,
&hf_spx_connection_control_reserved,
&hf_spx_connection_control_ext_header,
NULL
};
if (conn_ctrl & SPX_VII_PACKET) {
proto_tree_add_bitmask_with_flags(spx_tree, tvb, 0, hf_spx_connection_control,
ett_spx_connctrl, spx_vii_flags, ENC_NA, BMT_NO_APPEND);
} else {
proto_tree_add_bitmask_with_flags(spx_tree, tvb, 0, hf_spx_connection_control,
ett_spx_connctrl, spx_flags, ENC_NA, BMT_NO_APPEND);
}
}
datastream_type = tvb_get_guint8(tvb, 1);
datastream_type_string = spx_datastream(datastream_type);
if (datastream_type_string != NULL) {
col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)",
datastream_type_string);
}
if (tree) {
if (datastream_type_string != NULL) {
proto_tree_add_uint_format_value(spx_tree, hf_spx_datastream_type, tvb,
1, 1, datastream_type,
"%s (0x%02X)",
datastream_type_string,
datastream_type);
} else {
proto_tree_add_uint_format_value(spx_tree, hf_spx_datastream_type, tvb,
1, 1, datastream_type,
"0x%02X",
datastream_type);
}
proto_tree_add_item(spx_tree, hf_spx_src_id, tvb, 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(spx_tree, hf_spx_dst_id, tvb, 4, 2, ENC_BIG_ENDIAN);
}
spx_seq = tvb_get_ntohs(tvb, 6);
if (tree) {
proto_tree_add_uint(spx_tree, hf_spx_seq_nr, tvb, 6, 2, spx_seq);
proto_tree_add_item(spx_tree, hf_spx_ack_nr, tvb, 8, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(spx_tree, hf_spx_all_nr, tvb, 10, 2, ENC_BIG_ENDIAN);
/* field exists on ALL SPXII packets EXCEPT the first packet of
* the session. The first packet can be determined by checking
* the destination ID field for a value of 0xffff (65535) and
* that the SPXII bit is set in Connection Control.
*/
if ((conn_ctrl & SPX_VII_PACKET) && tvb_get_ntohs(tvb, 4) != 0xffff) {
proto_tree_add_item(spx_tree, hf_spx_neg_size, tvb, 12, 2, ENC_BIG_ENDIAN);
}
}
/*
* SPX is Connection Oriented and Delivery Guaranteed.
* On the first pass, we need to flag retransmissions by the SPX
* protocol, so that subdissectors know whether a packet was
* retransmitted.
*
* We start out by creating a conversation for this direction of the
* IPX session; we use "pinfo->srcport" twice, so that we have
* separate conversations for the two directions.
*
* XXX - that might not work correctly if there's more than one
* SPX session using that source port; can that happen? If so,
* we should probably use the direction, as well as the conversation,
* as part of the hash key; if we do that, we can probably just
* use CONVERSATION_IPX as the port type, and possibly get rid of CONVERSATION_NCP.
*
* According to
*
* http://developer.novell.com/research/appnotes/1995/december/03/apv.htm
*
* the sequence number is not incremented for system packets, so
* presumably that means there is no notion of a system packet
* being retransmitted; that document also says that system
* packets are used as "I'm still here" keepalives and as
* acknowledgements (presumably meaning ACK-only packets), which
* suggests that they might not be ACKed and thus might not
* be retransmitted.
*/
if (conn_ctrl & SPX_SYS_PACKET) {
/*
* It's a system packet, so it isn't a retransmission.
*/
spx_rexmit_info_p = NULL;
} else {
/*
* Not a system packet - check for retransmissions.
*/
if (!pinfo->fd->visited) {
conversation = find_conversation(pinfo->num, &pinfo->src,
&pinfo->dst, CONVERSATION_NCP, pinfo->srcport,
pinfo->srcport, 0);
if (conversation == NULL) {
/*
* It's not part of any conversation - create
* a new one.
*/
conversation = conversation_new(pinfo->num, &pinfo->src,
&pinfo->dst, CONVERSATION_NCP, pinfo->srcport,
pinfo->srcport, 0);
}
/*
* Now we'll hash the SPX header and use the result
* of that, plus the conversation, as a hash key to
* identify this packet.
*
* If we don't find it in the hash table, it's not a
* retransmission, otherwise it is. If we don't find
* it, we enter it into the hash table, with the
* frame number.
* If we do, we attach to this frame a structure giving
* the frame number of the original transmission, so
* that we, and subdissectors, know it's a
* retransmission.
*/
src = tvb_get_ntohs(tvb, 0)+tvb_get_ntohs(tvb, 2)+tvb_get_ntohs(tvb, 4)+tvb_get_ntohs(tvb, 6)+tvb_get_ntohs(tvb, 8);
pkt_value = spx_hash_lookup(conversation, src, spx_seq);
if (pkt_value == NULL) {
/*
* Not found in the hash table.
* Enter it into the hash table.
*/
pkt_value = spx_hash_insert(conversation, src,
spx_seq);
pkt_value->spx_ack = tvb_get_ntohs(tvb, 8);
pkt_value->spx_all = tvb_get_ntohs(tvb, 10);
pkt_value->num = pinfo->num;
/*
* This is not a retransmission, so we shouldn't
* have any retransmission indicator.
*/
spx_rexmit_info_p = NULL;
} else {
/*
* Found in the hash table. Mark this frame as
* a retransmission.
*/
spx_rexmit_info_p = wmem_new(wmem_file_scope(), spx_rexmit_info);
spx_rexmit_info_p->num = pkt_value->num;
p_add_proto_data(wmem_file_scope(), pinfo, proto_spx, 0,
spx_rexmit_info_p);
}
} else {
/*
* Do we have per-packet SPX data for this frame?
* If so, it's a retransmission, and the per-packet
* data indicates which frame had the original
* transmission.
*/
spx_rexmit_info_p = (spx_rexmit_info *)p_get_proto_data(wmem_file_scope(), pinfo,
proto_spx, 0);
}
}
/*
* It's a retransmission if we have a retransmission indicator.
* Flag this as a retransmission, but don't pass it to the
* subdissector.
*/
if (spx_rexmit_info_p != NULL) {
col_add_fstr(pinfo->cinfo, COL_INFO,
"[Retransmission] Original Packet %u",
spx_rexmit_info_p->num);
if (tree) {
proto_tree_add_uint_format(spx_tree, hf_spx_rexmt_frame,
tvb, 0, 0, spx_rexmit_info_p->num,
"This is a retransmission of frame %u",
spx_rexmit_info_p->num);
if (tvb_reported_length_remaining(tvb, hdr_len) > 0) {
proto_tree_add_item(spx_tree, hf_spx_rexmt_data, tvb, hdr_len, -1, ENC_NA);
}
}
return tvb_captured_length(tvb);
}
if (tvb_reported_length_remaining(tvb, hdr_len) > 0) {
/*
* Call subdissectors based on the IPX socket numbers; a
* subdissector might have registered with our IPX socket
* dissector table rather than the IPX dissector's socket
* dissector table.
*
* Assume the lower-numbered socket number is more likely
* to be the right one, along the lines of what we do for
* TCP and UDP. We've seen NCP packets with a type of NCP,
* a source socket of IPX_SOCKET_NCP, and a destination
* socket of IPX_SOCKET_IPX_MESSAGE, and we've seen NCP
* packets with a type of NCP, a source socket of
* IPX_SOCKET_IPX_MESSAGE, and a destination socket of
* IPX_SOCKET_NCP.
*/
if (pinfo->srcport > pinfo->destport) {
low_socket = pinfo->destport;
high_socket = pinfo->srcport;
} else {
low_socket = pinfo->srcport;
high_socket = pinfo->destport;
}
/*
* Pass information to subdissectors.
*/
spx_infox.eom = conn_ctrl & SPX_EOM;
spx_infox.datastream_type = datastream_type;
next_tvb = tvb_new_subset_remaining(tvb, hdr_len);
if (dissector_try_uint_new(spx_socket_dissector_table, low_socket,
next_tvb, pinfo, tree, FALSE, &spx_infox))
{
return tvb_captured_length(tvb);
}
if (dissector_try_uint_new(spx_socket_dissector_table, high_socket,
next_tvb, pinfo, tree, FALSE, &spx_infox))
{
return tvb_captured_length(tvb);
}
call_data_dissector(next_tvb, pinfo, tree);
}
return tvb_captured_length(tvb);
}
/* ================================================================= */
/* IPX Message */
/* ================================================================= */
static int
dissect_ipxmsg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *msg_tree;
proto_item *ti;
guint8 conn_number, sig_char;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX MSG");
col_clear(pinfo->cinfo, COL_INFO);
conn_number = tvb_get_guint8(tvb, 0);
sig_char = tvb_get_guint8(tvb, 1);
col_add_fstr(pinfo->cinfo, COL_INFO,
"%s, Connection %d",
val_to_str_const(sig_char, ipxmsg_sigchar_vals, "Unknown Signature Character"), conn_number);
if (tree) {
ti = proto_tree_add_item(tree, proto_ipxmsg, tvb, 0, -1, ENC_NA);
msg_tree = proto_item_add_subtree(ti, ett_ipxmsg);
proto_tree_add_uint(msg_tree, hf_msg_conn, tvb, 0, 1, conn_number);
proto_tree_add_uint(msg_tree, hf_msg_sigchar, tvb, 1, 1, sig_char);
}
return tvb_captured_length(tvb);
}
/* ================================================================= */
/* IPX RIP */
/* ================================================================= */
static const value_string ipxrip_packet_vals[] = {
{ IPX_RIP_REQUEST, "Request"},
{ IPX_RIP_RESPONSE, "Response"},
{ 0, NULL}
};
static int
dissect_ipxrip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *rip_tree;
proto_item *ti, *hidden_item;
guint16 operation, ticks;
guint cursor;
guint available_length;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX RIP");
col_clear(pinfo->cinfo, COL_INFO);
operation = tvb_get_ntohs(tvb, 0);
/* rip_types 0 and 1 are valid, anything else becomes 2 or "Unknown" */
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(operation, ipxrip_packet_vals, "Unknown"));
if (tree) {
ti = proto_tree_add_item(tree, proto_ipxrip, tvb, 0, -1, ENC_NA);
rip_tree = proto_item_add_subtree(ti, ett_ipxrip);
proto_tree_add_item(rip_tree, hf_ipxrip_packet_type, tvb, 0, 2, ENC_BIG_ENDIAN);
switch(operation)
{
case IPX_RIP_REQUEST:
hidden_item = proto_tree_add_boolean(rip_tree,
hf_ipxrip_request,
tvb, 0, 2, 1);
proto_item_set_hidden(hidden_item);
break;
case IPX_RIP_RESPONSE:
hidden_item = proto_tree_add_boolean(rip_tree,
hf_ipxrip_response,
tvb, 0, 2, 1);
proto_item_set_hidden(hidden_item);
break;
}
available_length = tvb_reported_length(tvb);
for (cursor = 2; cursor < available_length; cursor += 8) {
ticks = tvb_get_ntohs(tvb, cursor+6);
proto_tree_add_item(rip_tree, hf_ipxrip_route_vector, tvb, cursor, 4, ENC_NA);
proto_tree_add_item(rip_tree, hf_ipxrip_hops, tvb, cursor+4, 2, ENC_BIG_ENDIAN);
if (operation == IPX_RIP_REQUEST - 1) {
proto_tree_add_item(rip_tree, hf_ipxrip_ticks, tvb, cursor+6, 2, ENC_BIG_ENDIAN);
}
else {
proto_tree_add_uint_format_value(rip_tree, hf_ipxrip_ticks, tvb, cursor+6, 2, ticks,
"%d ms", ticks * 1000 / 18);
}
}
}
return tvb_captured_length(tvb);
}
/* ================================================================= */
/* IPX Serialization */
/* ================================================================= */
static int
dissect_serialization(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *ser_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NW_SERIAL");
col_clear(pinfo->cinfo, COL_INFO);
if (tree) {
ti = proto_tree_add_item(tree, proto_serialization, tvb, 0, -1,
ENC_NA);
ser_tree = proto_item_add_subtree(ti, ett_serialization);
}
col_add_fstr(pinfo->cinfo, COL_INFO, "Serial number %s",
tvb_bytes_to_str(pinfo->pool, tvb, 0, 6));
proto_tree_add_item(ser_tree, hf_serial_number, tvb, 0, 6, ENC_NA);
return tvb_captured_length(tvb);
}
/*
* Some of these are from ncpfs, others are from the book,
* others are from the page at
*
* http://www.iana.org/assignments/novell-sap-numbers
*
* and some from the page at
*
* http://www.rware.demon.co.uk/ipxsap.htm
*
* (see also the page at
*
* http://developer.novell.com/research/appnotes/1998/february/03/06.htm
*
* which has a huge list - but many of the entries list only the
* organization owning the SAP type, not what the type is for).
*/
static const value_string novell_server_vals[] = {
{ 0x0000, "Unknown" },
{ 0x0001, "User" },
{ 0x0002, "User Group" },
{ 0x0003, "Print Queue or Print Group" },
{ 0x0004, "File Server (SLIST source)" },
{ 0x0005, "Job Server" },
{ 0x0006, "Gateway" },
{ 0x0007, "Print Server or Silent Print Server" },
{ 0x0008, "Archive Queue" },
{ 0x0009, "Archive Server" },
{ 0x000a, "Job Queue" },
{ 0x000b, "Administration" },
{ 0x000F, "Novell TI-RPC" },
{ 0x0017, "Diagnostics" },
{ 0x0020, "NetBIOS" },
{ 0x0021, "NAS SNA Gateway" },
{ 0x0023, "NACS Async Gateway or Asynchronous Gateway" },
{ 0x0024, "Remote Bridge or Routing Service" },
{ 0x0026, "Bridge Server or Asynchronous Bridge Server" },
{ 0x0027, "TCP/IP Gateway Server" },
{ 0x0028, "Point to Point (Eicon) X.25 Bridge Server" },
{ 0x0029, "Eicon 3270 Gateway" },
{ 0x002a, "CHI Corp" },
{ 0x002c, "PC Chalkboard" },
{ 0x002d, "Time Synchronization Server or Asynchronous Timer" },
{ 0x002e, "ARCserve 5.0 / Palindrome Backup Director 4.x (PDB4)" },
{ 0x0045, "DI3270 Gateway" },
{ 0x0047, "Advertising Print Server" },
{ 0x004a, "NetBlazer Modems" },
{ 0x004b, "Btrieve VAP/NLM 5.0" },
{ 0x004c, "NetWare SQL VAP/NLM Server" },
{ 0x004d, "Xtree Network Version/NetWare XTree" },
{ 0x0050, "Btrieve VAP 4.11" },
{ 0x0052, "QuickLink (Cubix)" },
{ 0x0053, "Print Queue User" },
{ 0x0058, "Multipoint X.25 Eicon Router" },
{ 0x0060, "STLB/NLM" },
{ 0x0064, "ARCserve" },
{ 0x0066, "ARCserve 3.0" },
{ 0x0072, "WAN Copy Utility" },
{ 0x007a, "TES-NetWare for VMS" },
{ 0x0092, "WATCOM Debugger or Emerald Tape Backup Server" },
{ 0x0095, "DDA OBGYN" },
{ 0x0098, "NetWare Access Server (Asynchronous gateway)" },
{ 0x009a, "NetWare for VMS II or Named Pipe Server" },
{ 0x009b, "NetWare Access Server" },
{ 0x009e, "Portable NetWare Server or SunLink NVT" },
{ 0x00a1, "Powerchute APC UPS NLM" },
{ 0x00aa, "LAWserve" },
{ 0x00ac, "Compaq IDA Status Monitor" },
{ 0x0100, "PIPE STAIL" },
{ 0x0102, "LAN Protect Bindery" },
{ 0x0103, "Oracle DataBase Server" },
{ 0x0107, "NetWare 386 or RSPX Remote Console" },
{ 0x010f, "Novell SNA Gateway" },
{ 0x0111, "Test Server" },
{ 0x0112, "Print Server (HP)" },
{ 0x0114, "CSA MUX (f/Communications Executive)" },
{ 0x0115, "CSA LCA (f/Communications Executive)" },
{ 0x0116, "CSA CM (f/Communications Executive)" },
{ 0x0117, "CSA SMA (f/Communications Executive)" },
{ 0x0118, "CSA DBA (f/Communications Executive)" },
{ 0x0119, "CSA NMA (f/Communications Executive)" },
{ 0x011a, "CSA SSA (f/Communications Executive)" },
{ 0x011b, "CSA STATUS (f/Communications Executive)" },
{ 0x011e, "CSA APPC (f/Communications Executive)" },
{ 0x0126, "SNA TEST SSA Profile" },
{ 0x012a, "CSA TRACE (f/Communications Executive)" },
{ 0x012b, "NetWare for SAA" },
{ 0x012e, "IKARUS virus scan utility" },
{ 0x0130, "Communications Executive" },
{ 0x0133, "NNS Domain Server or NetWare Naming Services Domain" },
{ 0x0135, "NetWare Naming Services Profile" },
{ 0x0137, "NetWare 386 Print Queue or NNS Print Queue" },
{ 0x0141, "LAN Spool Server (Vap, Intel)" },
{ 0x0152, "IRMALAN Gateway" },
{ 0x0154, "Named Pipe Server" },
{ 0x0166, "NetWare Management" },
{ 0x0168, "Intel PICKIT Comm Server or Intel CAS Talk Server" },
{ 0x0173, "Compaq" },
{ 0x0174, "Compaq SNMP Agent" },
{ 0x0175, "Compaq" },
{ 0x0180, "XTree Server or XTree Tools" },
{ 0x018A, "NASI services broadcast server (Novell)" },
{ 0x01b0, "GARP Gateway (net research)" },
{ 0x01b1, "Binfview (Lan Support Group)" },
{ 0x01bf, "Intel LanDesk Manager" },
{ 0x01ca, "AXTEC" },
{ 0x01cb, "Shiva NetModem/E" },
{ 0x01cc, "Shiva LanRover/E" },
{ 0x01cd, "Shiva LanRover/T" },
{ 0x01ce, "Shiva Universal" },
{ 0x01d8, "Castelle FAXPress Server" },
{ 0x01da, "Castelle LANPress Print Server" },
{ 0x01dc, "Castelle FAX/Xerox 7033 Fax Server/Excel Lan Fax" },
{ 0x01f0, "LEGATO" },
{ 0x01f5, "LEGATO" },
{ 0x0233, "NMS Agent or NetWare Management Agent" },
{ 0x0237, "NMS IPX Discovery or LANtern Read/Write Channel" },
{ 0x0238, "NMS IP Discovery or LANtern Trap/Alarm Channel" },
{ 0x023a, "LANtern" },
{ 0x023c, "MAVERICK" },
{ 0x023f, "SMS Testing and Development" },
{ 0x024e, "NetWare Connect" },
{ 0x024f, "NASI server broadcast (Cisco)" },
{ 0x026a, "Network Management (NMS) Service Console" },
{ 0x026b, "Time Synchronization Server (NetWare 4.x)" },
{ 0x0278, "Directory Server (NetWare 4.x)" },
{ 0x027b, "NetWare Management Agent" },
{ 0x0280, "Novell File and Printer Sharing Service for PC" },
{ 0x0304, "Novell SAA Gateway" },
{ 0x0308, "COM or VERMED 1" },
{ 0x030a, "Galacticomm's Worldgroup Server" },
{ 0x030c, "Intel Netport 2 or HP JetDirect or HP Quicksilver" },
{ 0x0320, "Attachmate Gateway" },
{ 0x0327, "Microsoft Diagnostics" },
{ 0x0328, "WATCOM SQL server" },
{ 0x0335, "MultiTech Systems Multisynch Comm Server" },
{ 0x0343, "Xylogics Remote Access Server or LAN Modem" },
{ 0x0355, "Arcada Backup Exec" },
{ 0x0358, "MSLCD1" },
{ 0x0361, "NETINELO" },
{ 0x037e, "Powerchute UPS Monitoring" },
{ 0x037f, "ViruSafe Notify" },
{ 0x0386, "HP Bridge" },
{ 0x0387, "HP Hub" },
{ 0x0394, "NetWare SAA Gateway" },
{ 0x039b, "Lotus Notes" },
{ 0x03b7, "Certus Anti Virus NLM" },
{ 0x03c4, "ARCserve 4.0 (Cheyenne)" },
{ 0x03c7, "LANspool 3.5 (Intel)" },
{ 0x03d7, "Lexmark printer server (type 4033-011)" },
{ 0x03d8, "Lexmark XLE printer server (type 4033-301)" },
{ 0x03dd, "Banyan ENS for NetWare Client NLM" },
{ 0x03de, "Gupta Sequel Base Server or NetWare SQL" },
{ 0x03e1, "Univel Unixware" },
{ 0x03e4, "Univel Unixware" },
{ 0x03fc, "Intel Netport" },
{ 0x03fd, "Intel Print Server Queue" },
{ 0x040A, "ipnServer" },
{ 0x040D, "LVERRMAN" },
{ 0x040E, "LVLIC" },
{ 0x0414, "NET Silicon (DPI)/Kyocera" },
{ 0x0429, "Site Lock Virus (Brightworks)" },
{ 0x0432, "UFHELP R" },
{ 0x0433, "Synoptics 281x Advanced SNMP Agent" },
{ 0x0444, "Microsoft NT SNA Server" },
{ 0x0448, "Oracle" },
{ 0x044c, "ARCserve 5.01" },
{ 0x0457, "Canon GP55 Running on a Canon GP55 network printer" },
{ 0x045a, "QMS Printers" },
{ 0x045b, "Dell SCSI Array (DSA) Monitor" },
{ 0x0491, "NetBlazer Modems" },
{ 0x04ac, "On-Time Scheduler NLM" },
{ 0x04b0, "CD-Net (Meridian)" },
{ 0x0513, "Emulex NQA" },
{ 0x0520, "Site Lock Checks" },
{ 0x0529, "Site Lock Checks (Brightworks)" },
{ 0x052d, "Citrix OS/2 App Server" },
{ 0x0535, "Tektronix" },
{ 0x0536, "Milan" },
{ 0x055d, "Attachmate SNA gateway" },
{ 0x056b, "IBM 8235 modem server" },
{ 0x056c, "Shiva LanRover/E PLUS" },
{ 0x056d, "Shiva LanRover/T PLUS" },
{ 0x0580, "McAfee's NetShield anti-virus" },
{ 0x05B8, "NLM to workstation communication (Revelation Software)" },
{ 0x05BA, "Compatible Systems Routers" },
{ 0x05BE, "Cheyenne Hierarchical Storage Manager" },
{ 0x0606, "JCWatermark Imaging" },
{ 0x060c, "AXIS Network Printer" },
{ 0x0610, "Adaptec SCSI Management" },
{ 0x0621, "IBM AntiVirus NLM" },
{ 0x0640, "Microsoft Gateway Services for NetWare" },
/* { 0x0640, "NT Server-RPC/GW for NW/Win95 User Level Sec" }, */
{ 0x064e, "Microsoft Internet Information Server" },
{ 0x067b, "Microsoft Win95/98 File and Print Sharing for NetWare" },
{ 0x067c, "Microsoft Win95/98 File and Print Sharing for NetWare" },
{ 0x076C, "Xerox" },
{ 0x079b, "Shiva LanRover/E 115" },
{ 0x079c, "Shiva LanRover/T 115" },
{ 0x07B4, "Cubix WorldDesk" },
{ 0x07c1, "Quarterdeck IWare Connect V3.x NLM" },
{ 0x07c2, "Quarterdeck IWare Connect V2.x NLM" },
{ 0x0810, "ELAN License Server Demo" },
{ 0x0824, "Shiva LanRover Access Switch/E" },
{ 0x086a, "ISSC collector NLMs" },
{ 0x087f, "ISSC DAS agent for AIX" },
{ 0x0880, "Intel Netport PRO" },
{ 0x0881, "Intel Netport PRO" },
{ 0x0b29, "Site Lock" },
{ 0x0c29, "Site Lock Applications" },
{ 0x0c2c, "Licensing Server" },
{ 0x2101, "Performance Technology Instant Internet" },
{ 0x2380, "LAI Site Lock" },
{ 0x238c, "Meeting Maker" },
{ 0x4808, "Site Lock Server or Site Lock Metering VAP/NLM" },
{ 0x5555, "Site Lock User" },
{ 0x6312, "Tapeware" },
{ 0x6f00, "Rabbit Gateway (3270)" },
{ 0x7703, "MODEM" },
{ 0x8002, "NetPort Printers (Intel) or LANport" },
{ 0x8003, "SEH InterCon Printserver" },
{ 0x8008, "WordPerfect Network Version" },
{ 0x85BE, "Cisco Enhanced Interior Routing Protocol (EIGRP)" },
{ 0x8888, "WordPerfect Network Version or Quick Network Management" },
{ 0x9000, "McAfee's NetShield anti-virus" },
{ 0x9604, "CSA-NT_MON" },
{ 0xb6a8, "Ocean Isle Reachout Remote Control" },
{ 0xf11f, "Site Lock Metering VAP/NLM" },
{ 0xf1ff, "Site Lock" },
{ 0xf503, "Microsoft SQL Server" },
{ 0xf905, "IBM Time and Place/2 application" },
{ 0xfbfb, "TopCall III fax server" },
{ 0xffff, "Any Service or Wildcard" },
{ 0x0000, NULL }
};
value_string_ext novell_server_vals_ext = VALUE_STRING_EXT_INIT(novell_server_vals);
static const value_string ipxsap_packet_vals[] = {
{ IPX_SAP_GENERAL_QUERY, "General Query"},
{ IPX_SAP_GENERAL_RESPONSE, "General Response"},
{ IPX_SAP_NEAREST_QUERY, "Nearest Query"},
{ IPX_SAP_NEAREST_RESPONSE, "Nearest Response"},
{ 0, NULL}
};
static int
dissect_ipxsap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *sap_tree, *s_tree;
proto_item *ti, *hidden_item;
guint cursor;
struct sap_query query;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX SAP");
col_clear(pinfo->cinfo, COL_INFO);
query.query_type = tvb_get_ntohs(tvb, 0);
query.server_type = tvb_get_ntohs(tvb, 2);
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(query.query_type, ipxsap_packet_vals, "Unknown Packet Type"));
if (tree) {
ti = proto_tree_add_item(tree, proto_sap, tvb, 0, -1, ENC_NA);
sap_tree = proto_item_add_subtree(ti, ett_ipxsap);
proto_tree_add_item(sap_tree, hf_sap_packet_type, tvb, 0, 2, ENC_BIG_ENDIAN);
switch(query.query_type)
{
case IPX_SAP_GENERAL_QUERY:
case IPX_SAP_NEAREST_QUERY:
hidden_item = proto_tree_add_boolean(sap_tree,
hf_sap_response,
tvb, 0, 2, 1);
proto_item_set_hidden(hidden_item);
break;
case IPX_SAP_GENERAL_RESPONSE:
case IPX_SAP_NEAREST_RESPONSE:
hidden_item = proto_tree_add_boolean(sap_tree,
hf_sap_request,
tvb, 0, 2, 1);
proto_item_set_hidden(hidden_item);
break;
}
if (query.query_type == IPX_SAP_GENERAL_RESPONSE ||
query.query_type == IPX_SAP_NEAREST_RESPONSE) { /* responses */
guint available_length = tvb_reported_length(tvb);
for (cursor = 2; cursor < available_length; cursor += 64) {
const guint8 *server_name;
ti = proto_tree_add_item(sap_tree, hf_sap_server, tvb, cursor, 64, ENC_NA);
s_tree = proto_item_add_subtree(ti, ett_ipxsap_server);
proto_tree_add_item(s_tree, hf_sap_server_type, tvb, cursor, 2, ENC_BIG_ENDIAN);
proto_tree_add_item_ret_string(s_tree, hf_sap_server_name, tvb, cursor+2, 48, ENC_ASCII|ENC_NA, pinfo->pool, &server_name);
proto_item_append_text(ti, ": %s", server_name);
proto_tree_add_item(s_tree, hf_sap_server_network, tvb, cursor+50, 4, ENC_NA);
proto_tree_add_item(s_tree, hf_sap_server_node, tvb, cursor+54, 6, ENC_NA);
proto_tree_add_item(s_tree, hf_sap_server_socket, tvb, cursor+60, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(s_tree, hf_sap_server_intermediate_networks, tvb, cursor+62, 2, ENC_BIG_ENDIAN);
}
}
else { /* queries */
proto_tree_add_item(sap_tree, hf_sap_server_type, tvb, 2, 2, ENC_BIG_ENDIAN);
}
}
return tvb_captured_length(tvb);
}
void
proto_register_ipx(void)
{
static hf_register_info hf_ipx[] = {
{ &hf_ipx_checksum,
{ "Checksum", "ipx.checksum", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_src,
{ "Source Address", "ipx.src", FT_STRING, BASE_NONE, NULL, 0x0,
"Source IPX Address \"network.node\"", HFILL }},
{ &hf_ipx_dst,
{ "Destination Address", "ipx.dst", FT_STRING, BASE_NONE, NULL, 0x0,
"Destination IPX Address \"network.node\"", HFILL }},
{ &hf_ipx_addr,
{ "Src/Dst Address", "ipx.addr", FT_STRING, BASE_NONE, NULL, 0x0,
"Source or Destination IPX Address \"network.node\"", HFILL }},
{ &hf_ipx_len,
{ "Length", "ipx.len", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_byte_bytes, 0x0,
NULL, HFILL }},
{ &hf_ipx_hops,
{ "Transport Control (Hops)", "ipx.hops", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_packet_type,
{ "Packet Type", "ipx.packet_type", FT_UINT8, BASE_HEX, VALS(ipx_packet_type_vals),
0x0,
NULL, HFILL }},
{ &hf_ipx_dnet,
{ "Destination Network","ipx.dst.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_dnode,
{ "Destination Node", "ipx.dst.node", FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_dsocket,
{ "Destination Socket", "ipx.dst.socket", FT_UINT16, BASE_HEX|BASE_EXT_STRING,
&ipx_socket_vals_ext, 0x0,
NULL, HFILL }},
{ &hf_ipx_snet,
{ "Source Network","ipx.src.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_snode,
{ "Source Node", "ipx.src.node", FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_ssocket,
{ "Source Socket", "ipx.src.socket", FT_UINT16, BASE_HEX|BASE_EXT_STRING,
&ipx_socket_vals_ext, 0x0,
NULL, HFILL }},
{ &hf_ipx_net,
{ "Source or Destination Network","ipx.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_node,
{ "Source or Destination Node", "ipx.node", FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipx_socket,
{ "Source or Destination Socket", "ipx.socket", FT_UINT16, BASE_HEX|BASE_EXT_STRING,
&ipx_socket_vals_ext, 0x0,
NULL, HFILL }},
};
static hf_register_info hf_spx[] = {
{ &hf_spx_connection_control,
{ "Connection Control", "spx.ctl",
FT_UINT8, BASE_HEX, VALS(conn_vals), 0xF0,
NULL, HFILL }},
{ &hf_spx_connection_control_sys,
{ "System Packet", "spx.ctl.sys",
FT_BOOLEAN, 8, NULL, SPX_SYS_PACKET,
NULL, HFILL }},
{ &hf_spx_connection_control_send_ack,
{ "Send Ack", "spx.ctl.send_ack",
FT_BOOLEAN, 8, NULL, SPX_SEND_ACK,
NULL, HFILL }},
{ &hf_spx_connection_control_attn,
{ "Attention", "spx.ctl.attn",
FT_BOOLEAN, 8, NULL, SPX_ATTN,
NULL, HFILL }},
{ &hf_spx_connection_control_eom,
{ "End of Message", "spx.ctl.eom",
FT_BOOLEAN, 8, NULL, SPX_EOM,
NULL, HFILL }},
{ &hf_spx_connection_control_v2,
{ "SPXII Packet", "spx.ctl.v2",
FT_BOOLEAN, 8, NULL, SPX_VII_PACKET,
NULL, HFILL }},
{ &hf_spx_connection_control_neg_size,
{ "Negotiate Size", "spx.ctl.neg_size",
FT_BOOLEAN, 8, NULL, SPX_NEG_SIZE,
NULL, HFILL }},
{ &hf_spx_connection_control_reserved,
{ "Reserved", "spx.ctl.reserved",
FT_BOOLEAN, 8, NULL, SPX_RESERVED,
NULL, HFILL }},
{ &hf_spx_connection_control_ext_header,
{ "Extended Header", "spx.ctl.ext_header",
FT_BOOLEAN, 8, NULL, SPX_EXT_HEADER,
NULL, HFILL }},
{ &hf_spx_datastream_type,
{ "Datastream Type", "spx.type",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_src_id,
{ "Source Connection ID", "spx.src",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_dst_id,
{ "Destination Connection ID", "spx.dst",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_seq_nr,
{ "Sequence Number", "spx.seq",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_ack_nr,
{ "Acknowledgment Number", "spx.ack",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_all_nr,
{ "Allocation Number", "spx.alloc",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_neg_size,
{ "Negotiation Size", "spx.neg_size",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_rexmt_frame,
{ "Retransmitted Frame Number", "spx.rexmt_frame",
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_spx_rexmt_data,
{ "Retransmitted data", "spx.rexmt_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
};
static hf_register_info hf_ipxrip[] = {
{ &hf_ipxrip_request,
{ "Request", "ipxrip.request",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
"TRUE if IPX RIP request", HFILL }},
{ &hf_ipxrip_response,
{ "Response", "ipxrip.response",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
"TRUE if IPX RIP response", HFILL }},
{ &hf_ipxrip_packet_type,
{ "RIP packet type", "ipxrip.packet_type",
FT_UINT16, BASE_DEC, VALS(ipxrip_packet_vals), 0x0,
NULL, HFILL }},
{ &hf_ipxrip_route_vector,
{ "Route Vector", "ipxrip.route_vector",
FT_IPXNET, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipxrip_hops,
{ "Hops", "ipxrip.hops",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_ipxrip_ticks,
{ "Ticks", "ipxrip.ticks",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
};
static hf_register_info hf_sap[] = {
{ &hf_sap_request,
{ "Request", "ipxsap.request",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
"TRUE if SAP request", HFILL }},
{ &hf_sap_response,
{ "Response", "ipxsap.response",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
"TRUE if SAP response", HFILL }},
{ &hf_sap_packet_type,
{ "SAP packet type", "ipxsap.packet_type",
FT_UINT16, BASE_DEC, VALS(ipxsap_packet_vals), 0x0,
NULL, HFILL }},
{ &hf_sap_server,
{ "Server", "ipxsap.server",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_sap_server_type,
{ "Server Type", "ipxsap.server.type",
FT_UINT16, BASE_HEX|BASE_EXT_STRING, &novell_server_vals_ext, 0x0,
NULL, HFILL }},
{ &hf_sap_server_name,
{ "Server Name", "ipxsap.server.name",
FT_STRINGZTRUNC, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_sap_server_network,
{ "Network", "ipxsap.server.network",
FT_IPXNET, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_sap_server_node,
{ "Node", "ipxsap.server.node",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_sap_server_socket,
{ "Socket", "ipxsap.server.socket",
FT_UINT16, BASE_HEX|BASE_EXT_STRING, &ipx_socket_vals_ext, 0x0,
NULL, HFILL }},
{ &hf_sap_server_intermediate_networks,
{ "Intermediate Networks", "ipxsap.server.intermediate_networks",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
};
static hf_register_info hf_ipxmsg[] = {
{ &hf_msg_conn,
{ "Connection Number", "ipxmsg.conn",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_msg_sigchar,
{ "Signature Character", "ipxmsg.sigchar",
FT_CHAR, BASE_HEX, VALS(ipxmsg_sigchar_vals), 0x0,
NULL, HFILL }}
};
static hf_register_info hf_serial[] = {
{ &hf_serial_number,
{ "Serial number", "nw_serial.serial_number",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
};
static gint *ett[] = {
&ett_ipx,
&ett_spx,
&ett_spx_connctrl,
&ett_ipxmsg,
&ett_ipxrip,
&ett_serialization,
&ett_ipxsap,
&ett_ipxsap_server,
};
proto_ipx = proto_register_protocol("Internetwork Packet eXchange",
"IPX", "ipx");
proto_register_field_array(proto_ipx, hf_ipx, array_length(hf_ipx));
ipx_handle = register_dissector("ipx", dissect_ipx, proto_ipx);
proto_spx = proto_register_protocol("Sequenced Packet eXchange",
"SPX", "spx");
proto_register_field_array(proto_spx, hf_spx, array_length(hf_spx));
proto_ipxrip = proto_register_protocol("IPX Routing Information Protocol",
"IPX RIP", "ipxrip");
proto_register_field_array(proto_ipxrip, hf_ipxrip, array_length(hf_ipxrip));
proto_serialization = proto_register_protocol("NetWare Serialization Protocol",
"NW_SERIAL", "nw_serial");
proto_register_field_array(proto_serialization, hf_serial, array_length(hf_serial));
proto_ipxmsg = proto_register_protocol("IPX Message", "IPX MSG",
"ipxmsg");
proto_register_field_array(proto_ipxmsg, hf_ipxmsg, array_length(hf_ipxmsg));
proto_sap = proto_register_protocol("Service Advertisement Protocol",
"IPX SAP", "ipxsap");
ipxsap_handle = register_dissector("ipxsap", dissect_ipxsap, proto_sap);
proto_register_field_array(proto_sap, hf_sap, array_length(hf_sap));
proto_register_subtree_array(ett, array_length(ett));
ipx_type_dissector_table = register_dissector_table("ipx.packet_type",
"IPX packet type", proto_ipx, FT_UINT8, BASE_HEX);
ipx_socket_dissector_table = register_dissector_table("ipx.socket",
"IPX socket", proto_ipx, FT_UINT16, BASE_HEX);
spx_socket_dissector_table = register_dissector_table("spx.socket",
"SPX socket", proto_spx, FT_UINT16, BASE_HEX);
spx_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), spx_hash_func, spx_equal);
ipx_tap=register_tap("ipx");
register_conversation_table(proto_ipx, TRUE, ipx_conversation_packet, ipx_endpoint_packet);
register_capture_dissector("ipx", capture_ipx, proto_ipx);
}
void
proto_reg_handoff_ipx(void)
{
dissector_handle_t spx_handle;
dissector_handle_t ipxrip_handle;
dissector_handle_t serialization_handle, ipxmsg_handle;
capture_dissector_handle_t ipx_cap_handle;
dissector_add_uint_with_preference("udp.port", UDP_PORT_IPX, ipx_handle);
dissector_add_uint("ethertype", ETHERTYPE_IPX, ipx_handle);
dissector_add_uint("chdlc.protocol", ETHERTYPE_IPX, ipx_handle);
dissector_add_uint("ppp.protocol", PPP_IPX, ipx_handle);
dissector_add_uint("llc.dsap", SAP_NETWARE1, ipx_handle);
dissector_add_uint("llc.dsap", SAP_NETWARE2, ipx_handle);
dissector_add_uint("sll.ltype", LINUX_SLL_P_802_3, ipx_handle);
dissector_add_uint("null.type", BSD_AF_IPX, ipx_handle);
dissector_add_uint("gre.proto", ETHERTYPE_IPX, ipx_handle);
dissector_add_uint("arcnet.protocol_id", ARCNET_PROTO_IPX, ipx_handle);
dissector_add_uint("arcnet.protocol_id", ARCNET_PROTO_NOVELL_EC, ipx_handle);
spx_handle = create_dissector_handle(dissect_spx, proto_spx);
dissector_add_uint("ipx.packet_type", IPX_PACKET_TYPE_SPX, spx_handle);
dissector_add_uint("ipx.socket", IPX_SOCKET_SAP, ipxsap_handle);
ipxrip_handle = create_dissector_handle(dissect_ipxrip, proto_ipxrip);
dissector_add_uint("ipx.socket", IPX_SOCKET_IPXRIP, ipxrip_handle);
serialization_handle = create_dissector_handle(dissect_serialization,
proto_serialization);
dissector_add_uint("ipx.socket", IPX_SOCKET_SERIALIZATION,
serialization_handle);
ipxmsg_handle = create_dissector_handle(dissect_ipxmsg, proto_ipxmsg);
dissector_add_uint("ipx.socket", IPX_SOCKET_IPX_MESSAGE, ipxmsg_handle);
dissector_add_uint("ipx.socket", IPX_SOCKET_IPX_MESSAGE1, ipxmsg_handle);
ipx_cap_handle = find_capture_dissector("ipx");
capture_dissector_add_uint("ethertype", ETHERTYPE_IPX, ipx_cap_handle);
capture_dissector_add_uint("ppp_hdlc", PPP_IPX, ipx_cap_handle);
capture_dissector_add_uint("sll.ltype", LINUX_SLL_P_802_3, ipx_cap_handle);
capture_dissector_add_uint("llc.dsap", SAP_NETWARE1, ipx_cap_handle);
capture_dissector_add_uint("llc.dsap", SAP_NETWARE2, ipx_cap_handle);
}
/*
* 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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