![Gilbert Ramirez](/assets/img/avatar_default.png)
turned off (the '-n' option), and made it a bit faster by removing sprintf()'s. svn path=/trunk/; revision=1088
875 lines
24 KiB
C
875 lines
24 KiB
C
/* packet-ipx.c
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* Routines for NetWare's IPX
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* Gilbert Ramirez <gram@verdict.uthscsa.edu>
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*
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* $Id: packet-ipx.c,v 1.36 1999/11/22 06:03:45 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@unicom.net>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <stdio.h>
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#include <glib.h>
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#include "packet.h"
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#include "packet-ipx.h"
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#include "packet-ncp.h"
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#include "resolv.h"
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/* The information in this module (IPX, SPX, NCP) comes from:
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NetWare LAN Analysis, Second Edition
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Laura A. Chappell and Dan E. Hakes
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(c) 1994 Novell, Inc.
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Novell Press, San Jose.
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ISBN: 0-7821-1362-1
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And from the ncpfs source code by Volker Lendecke
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*/
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static int proto_ipx = -1;
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static int hf_ipx_checksum = -1;
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static int hf_ipx_len = -1;
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static int hf_ipx_hops = -1;
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static int hf_ipx_packet_type = -1;
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static int hf_ipx_dnet = -1;
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static int hf_ipx_dnode = -1;
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static int hf_ipx_dsocket = -1;
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static int hf_ipx_snet = -1;
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static int hf_ipx_snode = -1;
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static int hf_ipx_ssocket = -1;
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static gint ett_ipx = -1;
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static int proto_spx = -1;
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static int hf_spx_connection_control = -1;
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static int hf_spx_datastream_type = -1;
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static int hf_spx_src_id = -1;
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static int hf_spx_dst_id = -1;
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static int hf_spx_seq_nr = -1;
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static int hf_spx_ack_nr = -1;
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static int hf_spx_all_nr = -1;
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static gint ett_spx = -1;
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static int proto_ipxrip = -1;
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static int hf_ipxrip_request = -1;
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static int hf_ipxrip_response = -1;
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static gint ett_ipxrip = -1;
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static int proto_sap = -1;
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static int hf_sap_request = -1;
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static int hf_sap_response = -1;
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static gint ett_ipxsap = -1;
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static gint ett_ipxsap_server = -1;
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static void
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dissect_spx(const u_char *pd, int offset, frame_data *fd, proto_tree *tree);
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static void
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dissect_ipxrip(const u_char *pd, int offset, frame_data *fd, proto_tree *tree);
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static void
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dissect_ipxsap(const u_char *pd, int offset, frame_data *fd, proto_tree *tree);
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typedef void (dissect_func_t)(const u_char *, int, frame_data *, proto_tree *);
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struct port_info {
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guint16 port;
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dissect_func_t *func;
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char *text;
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};
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struct conn_info {
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guint8 ctrl;
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char *text;
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};
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struct server_info {
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guint16 type;
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char *text;
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};
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/* ================================================================= */
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/* IPX */
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/* ================================================================= */
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#define IPX_SOCKET_NCP 0x0451
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#define IPX_SOCKET_SAP 0x0452
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#define IPX_SOCKET_IPXRIP 0x0453
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#define IPX_SOCKET_NETBIOS 0x0455
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#define IPX_SOCKET_DIAGNOSTIC 0x0456
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#define IPX_SOCKET_SERIALIZATION 0x0457
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#define IPX_SOCKET_NWLINK_SMB_NAMEQUERY 0x0551
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#define IPX_SOCKET_NWLINK_SMB_DGRAM 0x0553
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#define IPX_SOCKET_NWLINK_SMB_BROWSE 0x0555 /* ? not sure on this
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but I guessed based on the content of the packet I saw */
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#define IPX_SOCKET_ATTACHMATE_GW 0x055d
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#define IPX_SOCKET_IPX_MESSAGE 0x4001
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#define IPX_SOCKET_ADSM 0x8522 /* www.tivoli.com */
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#define IPX_SOCKET_SNMP_AGENT 0x900F /* RFC 1906 */
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#define IPX_SOCKET_SNMP_SINK 0x9010 /* RFC 1906 */
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#define IPX_SOCKET_TCP_TUNNEL 0x9091 /* RFC 1791 */
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#define IPX_SOCKET_UDP_TUNNEL 0x9092 /* RFC 1791 */
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static struct port_info ports[] = {
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{ IPX_SOCKET_NCP, dissect_ncp,
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"NCP" },
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{ IPX_SOCKET_SAP, dissect_ipxsap,
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"SAP" },
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{ IPX_SOCKET_IPXRIP, dissect_ipxrip,
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"RIP" },
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{ IPX_SOCKET_NETBIOS, NULL,
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"NetBIOS" },
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{ IPX_SOCKET_DIAGNOSTIC, NULL,
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"Diagnostic" },
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{ IPX_SOCKET_SERIALIZATION, NULL,
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"Serialization" },
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{ IPX_SOCKET_NWLINK_SMB_NAMEQUERY, NULL,
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"NWLink SMB Name Query" },
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{ IPX_SOCKET_NWLINK_SMB_DGRAM, dissect_nwlink_dg,
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"NWLink SMB Datagram" },
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{ IPX_SOCKET_NWLINK_SMB_BROWSE, NULL,
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"NWLink SMB Browse" },
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{ IPX_SOCKET_ATTACHMATE_GW, NULL,
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"Attachmate Gateway" },
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{ IPX_SOCKET_IPX_MESSAGE, NULL,
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"IPX Message" },
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{ IPX_SOCKET_SNMP_AGENT, NULL, "SNMP Agent" },
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{ IPX_SOCKET_SNMP_SINK, NULL, "SNMP Sink" },
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{ IPX_SOCKET_UDP_TUNNEL, NULL, "UDP Tunnel" },
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{ IPX_SOCKET_TCP_TUNNEL, NULL, "TCP Tunnel" },
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{ IPX_SOCKET_TCP_TUNNEL, NULL, "TCP Tunnel" },
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{ IPX_SOCKET_ADSM, NULL, "ADSM" },
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{ 0x0000, NULL,
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NULL }
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};
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static char*
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port_text(guint16 port) {
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int i=0;
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while (ports[i].text != NULL) {
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if (ports[i].port == port) {
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return ports[i].text;
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}
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i++;
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}
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return "Unknown";
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}
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static dissect_func_t*
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port_func(guint16 port) {
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int i=0;
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while (ports[i].text != NULL) {
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if (ports[i].port == port) {
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return ports[i].func;
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}
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i++;
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}
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return NULL;
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}
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#define IPX_PACKET_TYPE_IPX 0
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#define IPX_PACKET_TYPE_IPX_4 4
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#define IPX_PACKET_TYPE_SPX 5
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#define IPX_PACKET_TYPE_NCP 17
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#define IPX_PACKET_TYPE_WANBCAST 20
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static const value_string ipx_packet_type_vals[] = {
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{ IPX_PACKET_TYPE_IPX, "IPX" },
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{ IPX_PACKET_TYPE_IPX_4, "IPX" },
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/* NetMon calls it "IPX" */
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{ IPX_PACKET_TYPE_SPX, "SPX" },
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{ 16, "Experimental Protocol" },
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{ IPX_PACKET_TYPE_NCP, "NCP" },
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{ 18, "Experimental Protocol" },
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{ 19, "Experimental Protocol" },
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{ IPX_PACKET_TYPE_WANBCAST, "NetBIOS Broadcast" },
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/* NetMon calls it "WAN Broadcast" */
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{ 21, "Experimental Protocol" },
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{ 22, "Experimental Protocol" },
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{ 23, "Experimental Protocol" },
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{ 24, "Experimental Protocol" },
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{ 25, "Experimental Protocol" },
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{ 26, "Experimental Protocol" },
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{ 27, "Experimental Protocol" },
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{ 28, "Experimental Protocol" },
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{ 29, "Experimental Protocol" },
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{ 30, "Experimental Protocol" },
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{ 31, "Experimental Protocol" },
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{ 0, NULL }
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};
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gchar*
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ipxnet_to_string(const guint8 *ad)
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{
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guint32 addr = pntohl(ad);
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return ipxnet_to_str_punct(addr, ' ');
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}
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/* We use a different representation of hardware addresses
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* than ether_to_str(); we don't put punctuation between the hex
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* digits.
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*/
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gchar*
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ipx_addr_to_str(guint32 net, const guint8 *ad)
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{
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static gchar str[3][8+1+MAXNAMELEN+1]; /* 8 digits, 1 period, NAME, 1 null */
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static gchar *cur;
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char *name;
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if (cur == &str[0][0]) {
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cur = &str[1][0];
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} else if (cur == &str[1][0]) {
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cur = &str[2][0];
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} else {
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cur = &str[0][0];
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}
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name = get_ether_name_if_known(ad);
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if (name) {
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sprintf(cur, "%s.%s", get_ipxnet_name(net), name);
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}
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else {
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sprintf(cur, "%s.%s", get_ipxnet_name(net), ether_to_str_punct(ad, '\0'));
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}
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return cur;
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}
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gchar *
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ipxnet_to_str_punct(const guint32 ad, char punct) {
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static gchar str[3][12];
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static gchar *cur;
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gchar *p;
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int i;
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guint32 octet;
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static const gchar hex_digits[16] = "0123456789ABCDEF";
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static const guint32 octet_mask[4] =
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{ 0xff000000 , 0x00ff0000, 0x0000ff00, 0x000000ff };
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if (cur == &str[0][0]) {
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cur = &str[1][0];
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} else if (cur == &str[1][0]) {
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cur = &str[2][0];
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} else {
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cur = &str[0][0];
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}
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p = &cur[12];
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*--p = '\0';
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i = 3;
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for (;;) {
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octet = (ad & octet_mask[i]) >> ((3 - i) * 8);
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*--p = hex_digits[octet&0xF];
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octet >>= 4;
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*--p = hex_digits[octet&0xF];
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if (i == 0)
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break;
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if (punct)
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*--p = punct;
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i--;
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}
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return p;
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}
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void
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dissect_ipx(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
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proto_tree *ipx_tree;
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proto_item *ti;
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guint8 ipx_type, ipx_hops;
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guint16 ipx_checksum, ipx_length;
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int len;
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guint8 *ipx_snode, *ipx_dnode, *ipx_snet, *ipx_dnet;
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guint16 ipx_dsocket, ipx_ssocket;
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dissect_func_t *dissect;
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guint32 ipx_dnet_val, ipx_snet_val;
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/* Calculate here for use in pinfo and in tree */
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ipx_dnet = (guint8*)&pd[offset+6];
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ipx_snet = (guint8*)&pd[offset+18];
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ipx_dnet_val = pntohl(ipx_dnet);
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ipx_snet_val = pntohl(ipx_snet);
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ipx_dsocket = pntohs(&pd[offset+16]);
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ipx_ssocket = pntohs(&pd[offset+28]);
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ipx_dnode = (guint8*)&pd[offset+10];
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ipx_snode = (guint8*)&pd[offset+22];
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ipx_type = pd[offset+5];
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ipx_length = pntohs(&pd[offset+2]);
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/* Length of IPX datagram plus headers above it. */
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len = ipx_length + offset;
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/* Set the payload and captured-payload lengths to the minima of
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(the IPX length plus the length of the headers above it) and
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the frame lengths. */
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if (pi.len > len)
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pi.len = len;
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if (pi.captured_len > len)
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pi.captured_len = len;
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SET_ADDRESS(&pi.net_src, AT_IPX, 10, &pd[offset+18]);
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SET_ADDRESS(&pi.src, AT_IPX, 10, &pd[offset+18]);
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SET_ADDRESS(&pi.net_dst, AT_IPX, 10, &pd[offset+6]);
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SET_ADDRESS(&pi.dst, AT_IPX, 10, &pd[offset+6]);
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "IPX");
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if (check_col(fd, COL_INFO))
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col_add_fstr(fd, COL_INFO, "%s (0x%04X)", port_text(ipx_dsocket),
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ipx_dsocket);
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if (tree) {
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ipx_checksum = pntohs(&pd[offset]);
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ipx_hops = pd[offset+4];
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ti = proto_tree_add_item(tree, proto_ipx, offset, 30, NULL);
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ipx_tree = proto_item_add_subtree(ti, ett_ipx);
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proto_tree_add_item(ipx_tree, hf_ipx_checksum, offset, 2, ipx_checksum);
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proto_tree_add_item_format(ipx_tree, hf_ipx_len, offset+2, 2, ipx_length,
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"Length: %d bytes", ipx_length);
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proto_tree_add_item_format(ipx_tree, hf_ipx_hops, offset+4, 1, ipx_hops,
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"Transport Control: %d hops", ipx_hops);
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proto_tree_add_item(ipx_tree, hf_ipx_packet_type, offset+5, 1, ipx_type);
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proto_tree_add_item(ipx_tree, hf_ipx_dnet, offset+6, 4, ipx_dnet_val);
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proto_tree_add_item(ipx_tree, hf_ipx_dnode, offset+10, 6, ipx_dnode);
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proto_tree_add_item_format(ipx_tree, hf_ipx_dsocket, offset+16, 2,
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ipx_dsocket, "Destination Socket: %s (0x%04X)",
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port_text(ipx_dsocket), ipx_dsocket);
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proto_tree_add_item(ipx_tree, hf_ipx_snet, offset+18, 4, ipx_snet_val);
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proto_tree_add_item(ipx_tree, hf_ipx_snode, offset+22, 6, ipx_snode);
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proto_tree_add_item_format(ipx_tree, hf_ipx_ssocket, offset+28, 2,
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ipx_ssocket, "Source Socket: %s (0x%04X)", port_text(ipx_ssocket),
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ipx_ssocket);
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}
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offset += 30;
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switch (ipx_type) {
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case IPX_PACKET_TYPE_SPX:
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dissect_spx(pd, offset, fd, tree);
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break;
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case IPX_PACKET_TYPE_NCP:
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/* Is the destination node 00:00:00:00:00:01 ? */
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if (pntohl(ipx_dnode) == 0 && pntohs(ipx_dnode + 4) == 1)
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nw_server_address = pntohl(ipx_dnet);
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/* Is the source node 00:00:00:00:00:01 ? */
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else if (pntohl(ipx_snode) == 0 && pntohs(ipx_snode + 4) == 1)
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nw_server_address = pntohl(ipx_snet);
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else
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nw_server_address = 0;
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dissect_ncp(pd, offset, fd, tree);
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break;
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case IPX_PACKET_TYPE_WANBCAST:
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case IPX_PACKET_TYPE_IPX_4:
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if (ipx_dsocket == IPX_SOCKET_NETBIOS) {
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dissect_nbipx(pd, offset, fd, tree);
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break;
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}
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/* else fall through */
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case 0: /* IPX, fall through to default */
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/* XXX - should type 0's be dissected as NBIPX
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if they're aimed at the NetBIOS socket? */
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default:
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dissect = port_func(ipx_dsocket);
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if (dissect) {
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dissect(pd, offset, fd, tree);
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}
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else {
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dissect = port_func(ipx_ssocket);
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if (dissect) {
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dissect(pd, offset, fd, tree);
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}
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else {
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dissect_data(pd, offset, fd, tree);
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}
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}
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break;
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}
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}
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/* ================================================================= */
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/* SPX */
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/* ================================================================= */
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static char*
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spx_conn_ctrl(u_char ctrl)
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{
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int i=0;
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static struct conn_info conns[] = {
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{ 0x10, "End-of-Message" },
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{ 0x20, "Attention" },
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{ 0x40, "Acknowledgment Required"},
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{ 0x80, "System Packet"},
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{ 0x00, NULL }
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};
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while (conns[i].text != NULL) {
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if (conns[i].ctrl == ctrl) {
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return conns[i].text;
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}
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i++;
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}
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return "Unknown";
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}
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static char*
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spx_datastream(u_char type)
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{
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switch (type) {
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case 0xfe:
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return "End-of-Connection";
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case 0xff:
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return "End-of-Connection Acknowledgment";
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default:
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return "Client-Defined";
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}
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}
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static void
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dissect_spx(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
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proto_tree *spx_tree;
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proto_item *ti;
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "SPX");
|
|
if (check_col(fd, COL_INFO))
|
|
col_add_str(fd, COL_INFO, "SPX");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_spx, offset, 12, NULL);
|
|
spx_tree = proto_item_add_subtree(ti, ett_spx);
|
|
|
|
proto_tree_add_item_format(spx_tree, hf_spx_connection_control,
|
|
offset, 1,
|
|
pd[offset],
|
|
"Connection Control: %s (0x%02X)",
|
|
spx_conn_ctrl(pd[offset]),
|
|
pd[offset]);
|
|
|
|
proto_tree_add_item_format(spx_tree, hf_spx_datastream_type,
|
|
offset+1, 1,
|
|
pd[offset+1],
|
|
"Datastream Type: %s (0x%02X)",
|
|
spx_datastream(pd[offset+1]),
|
|
pd[offset+1]);
|
|
|
|
proto_tree_add_item(spx_tree, hf_spx_src_id,
|
|
offset+2, 2,
|
|
pntohs( &pd[offset+2] ));
|
|
|
|
proto_tree_add_item(spx_tree, hf_spx_dst_id,
|
|
offset+4, 2,
|
|
pntohs( &pd[offset+4] ));
|
|
|
|
proto_tree_add_item(spx_tree, hf_spx_seq_nr,
|
|
offset+6, 2,
|
|
pntohs( &pd[offset+6] ) );
|
|
|
|
proto_tree_add_item(spx_tree, hf_spx_ack_nr,
|
|
offset+8, 2,
|
|
pntohs( &pd[offset+8] ) );
|
|
|
|
proto_tree_add_item(spx_tree, hf_spx_all_nr,
|
|
offset+10, 2,
|
|
pntohs( &pd[offset+10] ) );
|
|
|
|
offset += 12;
|
|
dissect_data(pd, offset, fd, tree);
|
|
}
|
|
}
|
|
|
|
/* ================================================================= */
|
|
/* IPX RIP */
|
|
/* ================================================================= */
|
|
static void
|
|
dissect_ipxrip(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
|
|
proto_tree *rip_tree;
|
|
proto_item *ti;
|
|
guint16 operation;
|
|
struct ipx_rt_def route;
|
|
int cursor;
|
|
|
|
char *rip_type[2] = { "Request", "Response" };
|
|
|
|
operation = pntohs(&pd[offset]) - 1;
|
|
|
|
if (check_col(fd, COL_PROTOCOL))
|
|
col_add_str(fd, COL_PROTOCOL, "IPX RIP");
|
|
if (check_col(fd, COL_PROTOCOL)) {
|
|
if (operation < 2) {
|
|
col_add_str(fd, COL_INFO, rip_type[operation]);
|
|
}
|
|
else {
|
|
col_add_str(fd, COL_INFO, "Unknown Packet Type");
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_ipxrip, offset, END_OF_FRAME, NULL);
|
|
rip_tree = proto_item_add_subtree(ti, ett_ipxrip);
|
|
|
|
if (operation < 2) {
|
|
proto_tree_add_text(rip_tree, offset, 2,
|
|
"RIP packet type: %s", rip_type[operation]);
|
|
|
|
if (operation == 0) {
|
|
proto_tree_add_item_hidden(rip_tree,
|
|
hf_ipxrip_request,
|
|
offset, 2, 1);
|
|
} else {
|
|
proto_tree_add_item_hidden(rip_tree,
|
|
hf_ipxrip_response,
|
|
offset, 2, 1);
|
|
}
|
|
|
|
}
|
|
else {
|
|
proto_tree_add_text(rip_tree, offset, 2, "Unknown RIP packet type");
|
|
}
|
|
|
|
for (cursor = offset + 2; cursor < fd->cap_len; cursor += 8) {
|
|
memcpy(&route.network, &pd[cursor], 4);
|
|
route.hops = pntohs(&pd[cursor+4]);
|
|
route.ticks = pntohs(&pd[cursor+6]);
|
|
|
|
if (operation == IPX_RIP_REQUEST - 1) {
|
|
proto_tree_add_text(rip_tree, cursor, 8,
|
|
"Route Vector: %s, %d hop%s, %d tick%s",
|
|
ipxnet_to_string((guint8*)&route.network),
|
|
route.hops, route.hops == 1 ? "" : "s",
|
|
route.ticks, route.ticks == 1 ? "" : "s");
|
|
}
|
|
else {
|
|
proto_tree_add_text(rip_tree, cursor, 8,
|
|
"Route Vector: %s, %d hop%s, %d tick%s (%d ms)",
|
|
ipxnet_to_string((guint8*)&route.network),
|
|
route.hops, route.hops == 1 ? "" : "s",
|
|
route.ticks, route.ticks == 1 ? "" : "s",
|
|
route.ticks * 1000 / 18);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* ================================================================= */
|
|
/* SAP */
|
|
/* ================================================================= */
|
|
static char*
|
|
server_type(guint16 type)
|
|
{
|
|
int i=0;
|
|
|
|
/* some of these are from ncpfs, others are from the book */
|
|
static struct server_info servers[] = {
|
|
{ 0x0001, "User" },
|
|
{ 0x0002, "User Group" },
|
|
{ 0x0003, "Print Queue" },
|
|
{ 0x0004, "File server" },
|
|
{ 0x0005, "Job server" },
|
|
{ 0x0007, "Print server" },
|
|
{ 0x0008, "Archive server" },
|
|
{ 0x0009, "Archive server" },
|
|
{ 0x000a, "Job queue" },
|
|
{ 0x000b, "Administration" },
|
|
{ 0x0021, "NAS SNA gateway" },
|
|
{ 0x0024, "Remote bridge" },
|
|
{ 0x0026, "Bridge server" },
|
|
{ 0x0027, "TCP/IP gateway" },
|
|
{ 0x002d, "Time Synchronization VAP" },
|
|
{ 0x002e, "Archive Server Dynamic SAP" },
|
|
{ 0x0047, "Advertising print server" },
|
|
{ 0x004b, "Btrieve VAP 5.0" },
|
|
{ 0x004c, "SQL VAP" },
|
|
{ 0x0050, "Btrieve VAP" },
|
|
{ 0x0053, "Print Queue VAP" },
|
|
{ 0x007a, "TES NetWare for VMS" },
|
|
{ 0x0098, "NetWare access server" },
|
|
{ 0x009a, "Named Pipes server" },
|
|
{ 0x009e, "Portable NetWare Unix" },
|
|
{ 0x0107, "NetWare 386" },
|
|
{ 0x0111, "Test server" },
|
|
{ 0x0133, "NetWare Name Service" },
|
|
{ 0x0166, "NetWare management" },
|
|
{ 0x023f, "SMS Testing and Development" },
|
|
{ 0x026a, "NetWare management" },
|
|
{ 0x026b, "Time synchronization" },
|
|
{ 0x027b, "NetWare Management Agent" },
|
|
{ 0x0278, "NetWare Directory server" },
|
|
{ 0x030c, "HP LaserJet / Quick Silver" },
|
|
{ 0x0355, "Arcada Software" },
|
|
{ 0x0361, "NETINELO" },
|
|
{ 0x037e, "Powerchute UPS Monitoring" },
|
|
{ 0x03e1, "UnixWare Application Server" },
|
|
{ 0x044c, "Archive" },
|
|
{ 0x055d, "Attachmate SNA gateway" },
|
|
{ 0x0610, "Adaptec SCSI Management" },
|
|
{ 0x0640, "NT Server-RPC/GW for NW/Win95 User Level Sec" },
|
|
{ 0x064e, "NT Server-IIS" },
|
|
{ 0x0810, "ELAN License Server Demo" },
|
|
{ 0x8002, "Intel NetPort Print Server" },
|
|
|
|
/* For any unidentified ones, I found a really big list of them at: */
|
|
/* http://www.inpnet.org/cnpweb/saplist.txt */
|
|
/* http://www.isi.edu/in-notes/iana/assignments/novell-sap-numbers */
|
|
|
|
{ 0x0000, NULL }
|
|
};
|
|
|
|
while (servers[i].text != NULL) {
|
|
if (servers[i].type == type) {
|
|
return servers[i].text;
|
|
}
|
|
i++;
|
|
}
|
|
return "Unknown";
|
|
}
|
|
|
|
static void
|
|
dissect_ipxsap(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
|
|
|
|
proto_tree *sap_tree, *s_tree;
|
|
proto_item *ti;
|
|
int cursor;
|
|
struct sap_query query;
|
|
struct sap_server_ident server;
|
|
|
|
char *sap_type[4] = { "General Query", "General Response",
|
|
"Nearest Query", "Nearest Response" };
|
|
|
|
query.query_type = pntohs(&pd[offset]);
|
|
query.server_type = pntohs(&pd[offset+2]);
|
|
|
|
if (check_col(fd, COL_PROTOCOL))
|
|
col_add_str(fd, COL_PROTOCOL, "SAP");
|
|
if (check_col(fd, COL_INFO)) {
|
|
if (query.query_type >= 1 && query.query_type <= 4) {
|
|
col_add_str(fd, COL_INFO, sap_type[query.query_type - 1]);
|
|
}
|
|
else {
|
|
col_add_str(fd, COL_INFO, "Unknown Packet Type");
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_sap, offset, END_OF_FRAME, NULL);
|
|
sap_tree = proto_item_add_subtree(ti, ett_ipxsap);
|
|
|
|
if (query.query_type >= 1 && query.query_type <= 4) {
|
|
proto_tree_add_text(sap_tree, offset, 2, sap_type[query.query_type - 1]);
|
|
if ((query.query_type - 1) % 2) {
|
|
proto_tree_add_item_hidden(sap_tree,
|
|
hf_sap_response,
|
|
offset, 2, 1);
|
|
} else {
|
|
proto_tree_add_item_hidden(sap_tree,
|
|
hf_sap_request,
|
|
offset, 2, 1);
|
|
}
|
|
}
|
|
else {
|
|
proto_tree_add_text(sap_tree, offset, 2,
|
|
"Unknown SAP Packet Type %d", query.query_type);
|
|
}
|
|
|
|
if (query.query_type == IPX_SAP_GENERAL_RESPONSE ||
|
|
query.query_type == IPX_SAP_NEAREST_RESPONSE) { /* responses */
|
|
|
|
for (cursor = offset + 2; (cursor + 64) <= fd->cap_len; cursor += 64) {
|
|
server.server_type = pntohs(&pd[cursor]);
|
|
memcpy(server.server_name, &pd[cursor+2], 48);
|
|
memcpy(&server.server_network, &pd[cursor+50], 4);
|
|
memcpy(&server.server_node, &pd[cursor+54], 6);
|
|
server.server_port = pntohs(&pd[cursor+60]);
|
|
server.intermediate_network = pntohs(&pd[cursor+62]);
|
|
|
|
ti = proto_tree_add_text(sap_tree, cursor+2, 48,
|
|
"Server Name: %s", server.server_name);
|
|
s_tree = proto_item_add_subtree(ti, ett_ipxsap_server);
|
|
|
|
proto_tree_add_text(s_tree, cursor, 2, "Server Type: %s (0x%04X)",
|
|
server_type(server.server_type), server.server_type);
|
|
proto_tree_add_text(s_tree, cursor+50, 4, "Network: %s",
|
|
ipxnet_to_string((guint8*)&pd[cursor+50]));
|
|
proto_tree_add_text(s_tree, cursor+54, 6, "Node: %s",
|
|
ether_to_str((guint8*)&pd[cursor+54]));
|
|
proto_tree_add_text(s_tree, cursor+60, 2, "Socket: %s (0x%04X)",
|
|
port_text(server.server_port), server.server_port);
|
|
proto_tree_add_text(s_tree, cursor+62, 2,
|
|
"Intermediate Networks: %d",
|
|
server.intermediate_network);
|
|
}
|
|
}
|
|
else { /* queries */
|
|
proto_tree_add_text(sap_tree, offset+2, 2, "Server Type: %s (0x%04X)",
|
|
server_type(query.server_type), query.server_type);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_ipx(void)
|
|
{
|
|
static hf_register_info hf_ipx[] = {
|
|
{ &hf_ipx_checksum,
|
|
{ "Checksum", "ipx.checksum", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_len,
|
|
{ "Length", "ipx.len", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_hops,
|
|
{ "Transport Control (Hops)", "ipx.hops", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_packet_type,
|
|
{ "Packet Type", "ipx.packet_type", FT_UINT8, BASE_HEX, VALS(ipx_packet_type_vals),
|
|
0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_dnet,
|
|
{ "Destination Network","ipx.dst.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_dnode,
|
|
{ "Destination Node", "ipx.dst.node", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_dsocket,
|
|
{ "Destination Socket", "ipx.dst.socket", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_snet,
|
|
{ "Source Network","ipx.src.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_snode,
|
|
{ "Source Node", "ipx.src.node", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_ipx_ssocket,
|
|
{ "Source Socket", "ipx.src.socket", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"" }},
|
|
};
|
|
|
|
static hf_register_info hf_spx[] = {
|
|
{ &hf_spx_connection_control,
|
|
{ "Connection Control", "spx.ctl",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_datastream_type,
|
|
{ "Datastream type", "spx.type",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_src_id,
|
|
{ "Source Connection ID", "spx.src",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_dst_id,
|
|
{ "Destination Connection ID", "spx.dst",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_seq_nr,
|
|
{ "Sequence Number", "spx.seq",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_ack_nr,
|
|
{ "Acknowledgment Number", "spx.ack",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }},
|
|
|
|
{ &hf_spx_all_nr,
|
|
{ "Allocation Number", "spx.alloc",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"" }}
|
|
};
|
|
|
|
static hf_register_info hf_ipxrip[] = {
|
|
{ &hf_ipxrip_request,
|
|
{ "Request", "ipxrip.request",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"TRUE if IPX RIP request" }},
|
|
|
|
{ &hf_ipxrip_response,
|
|
{ "Response", "ipxrip.response",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"TRUE if IPX RIP response" }}
|
|
};
|
|
|
|
static hf_register_info hf_sap[] = {
|
|
{ &hf_sap_request,
|
|
{ "Request", "sap.request",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"TRUE if SAP request" }},
|
|
|
|
{ &hf_sap_response,
|
|
{ "Response", "sap.response",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"TRUE if SAP response" }}
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_ipx,
|
|
&ett_spx,
|
|
&ett_ipxrip,
|
|
&ett_ipxsap,
|
|
&ett_ipxsap_server,
|
|
};
|
|
|
|
proto_ipx = proto_register_protocol ("Internetwork Packet eXchange", "ipx");
|
|
proto_register_field_array(proto_ipx, hf_ipx, array_length(hf_ipx));
|
|
|
|
proto_spx = proto_register_protocol ("Sequenced Packet eXchange", "spx");
|
|
proto_register_field_array(proto_spx, hf_spx, array_length(hf_spx));
|
|
|
|
proto_ipxrip = proto_register_protocol ("IPX Routing Information Protocol", "ipxrip");
|
|
proto_register_field_array(proto_ipxrip, hf_ipxrip, array_length(hf_ipxrip));
|
|
|
|
proto_sap = proto_register_protocol ("Service Advertisement Protocol", "sap");
|
|
proto_register_field_array(proto_sap, hf_sap, array_length(hf_sap));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|