packet-ipx.c

   1 /* packet-ipx.c
   2  * Routines for NetWare's IPX
   3  * Gilbert Ramirez <gram@alumni.rice.edu>
   4  *
   5  * $Id: packet-ipx.c,v 1.103 2002/04/24 06:03:34 guy Exp $
   6  *
   7  * Ethereal - Network traffic analyzer
   8  * By Gerald Combs <gerald@ethereal.com>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #ifdef HAVE_SYS_TYPES_H
  31 # include <sys/types.h>
  32 #endif
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <glib.h>
  37 #include <epan/packet.h>
  38 #include "packet-ipx.h"
  39 #include <epan/resolv.h>
  40 #include "etypes.h"
  41 #include "ppptypes.h"
  42 #include "llcsaps.h"
  43 #include "aftypes.h"
  44
  45 /* The information in this module (IPX, SPX, NCP) comes from:
  46         NetWare LAN Analysis, Second Edition
  47         Laura A. Chappell and Dan E. Hakes
  48         (c) 1994 Novell, Inc.
  49         Novell Press, San Jose.
  50         ISBN: 0-7821-1362-1
  51
  52   And from the ncpfs source code by Volker Lendecke
  53
  54 */
  55
  56 static int proto_ipx = -1;
  57 static int hf_ipx_checksum = -1;
  58 static int hf_ipx_len = -1;
  59 static int hf_ipx_hops = -1;
  60 static int hf_ipx_packet_type = -1;
  61 static int hf_ipx_dnet = -1;
  62 static int hf_ipx_dnode = -1;
  63 static int hf_ipx_dsocket = -1;
  64 static int hf_ipx_snet = -1;
  65 static int hf_ipx_snode = -1;
  66 static int hf_ipx_ssocket = -1;
  67
  68 static gint ett_ipx = -1;
  69
  70 static dissector_table_t ipx_type_dissector_table;
  71 static dissector_table_t ipx_socket_dissector_table;
  72
  73 static int proto_spx = -1;
  74 static int hf_spx_connection_control = -1;
  75 static int hf_spx_datastream_type = -1;
  76 static int hf_spx_src_id = -1;
  77 static int hf_spx_dst_id = -1;
  78 static int hf_spx_seq_nr = -1;
  79 static int hf_spx_ack_nr = -1;
  80 static int hf_spx_all_nr = -1;
  81
  82 static gint ett_spx = -1;
  83
  84 static int proto_ipxrip = -1;
  85 static int hf_ipxrip_request = -1;
  86 static int hf_ipxrip_response = -1;
  87
  88 static gint ett_ipxrip = -1;
  89
  90 static int proto_sap = -1;
  91 static int hf_sap_request = -1;
  92 static int hf_sap_response = -1;
  93
  94 static gint ett_ipxsap = -1;
  95 static gint ett_ipxsap_server = -1;
  96
  97 static gint ett_ipxmsg = -1;
  98 static int proto_ipxmsg = -1;
  99 static int hf_msg_conn = -1;
 100 static int hf_msg_sigchar = -1;
 101
 102 static dissector_handle_t data_handle;
 103
 104 static void
 105 dissect_spx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 106
 107 static void
 108 dissect_ipxrip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 109
 110 static void
 111 dissect_ipxsap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 112
 113 static void
 114 dissect_ipxmsg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 115
 116 #define UDP_PORT_IPX    213             /* RFC 1234 */
 117
 118 #define IPX_HEADER_LEN  30              /* It's *always* 30 bytes */
 119
 120 /* ================================================================= */
 121 /* IPX                                                               */
 122 /* ================================================================= */
 123 static const value_string ipx_socket_vals[] = {
 124         { IPX_SOCKET_PING_CISCO,                "CISCO PING" },
 125         { IPX_SOCKET_NCP,                       "NCP" },
 126         { IPX_SOCKET_SAP,                       "SAP" },
 127         { IPX_SOCKET_IPXRIP,                    "RIP" },
 128         { IPX_SOCKET_NETBIOS,                   "NetBIOS" },
 129         { IPX_SOCKET_DIAGNOSTIC,                "Diagnostic" },
 130         { IPX_SOCKET_SERIALIZATION,             "Serialization" },
 131         { IPX_SOCKET_NWLINK_SMB_SERVER,         "NWLink SMB Server" },
 132         { IPX_SOCKET_NWLINK_SMB_NAMEQUERY,      "NWLink SMB Name Query" },
 133         { IPX_SOCKET_NWLINK_SMB_REDIR,          "NWLink SMB Redirector" },
 134         { IPX_SOCKET_NWLINK_SMB_MAILSLOT,       "NWLink SMB Mailslot Datagram" },
 135         { IPX_SOCKET_NWLINK_SMB_MESSENGER,      "NWLink SMB Messenger" },
 136         { IPX_SOCKET_NWLINK_SMB_BROWSE,         "NWLink SMB Browse" },
 137         { IPX_SOCKET_ATTACHMATE_GW,             "Attachmate Gateway" },
 138         { IPX_SOCKET_IPX_MESSAGE,               "IPX Message" },
 139         { IPX_SOCKET_SNMP_AGENT,                "SNMP Agent" },
 140         { IPX_SOCKET_SNMP_SINK,                 "SNMP Sink" },
 141         { IPX_SOCKET_PING_NOVELL,               "Novell PING" },
 142         { IPX_SOCKET_UDP_TUNNEL,                "UDP Tunnel" },
 143         { IPX_SOCKET_TCP_TUNNEL,                "TCP Tunnel" },
 144         { IPX_SOCKET_TCP_TUNNEL,                "TCP Tunnel" },
 145         { IPX_SOCKET_ADSM,                      "ADSM" },
 146         { IPX_SOCKET_EIGRP,                     "Cisco EIGRP for IPX" },
 147         { IPX_SOCKET_WIDE_AREA_ROUTER,          "Wide Area Router" },
 148         { 0xE885,                               "NT Server-RPC/GW" },
 149         { 0x400C,                               "HP LaserJet/QuickSilver" },
 150         { 0x907B,                               "SMS Testing and Development" },
 151         { 0x8F83,                               "Powerchute UPS Monitoring" },
 152         { 0x4006,                               "Netware Directory Server" },
 153         { 0x8104,                               "Netware 386" },
 154         { 0x0000,                               NULL }
 155 };
 156
 157 static const char*
 158 socket_text(guint16 socket)
 159 {
 160         return val_to_str(socket, ipx_socket_vals, "Unknown");
 161 }
 162
 163 static const value_string ipx_packet_type_vals[] = {
 164         { IPX_PACKET_TYPE_IPX,          "IPX" },
 165         { IPX_PACKET_TYPE_RIP,          "RIP" },
 166         { IPX_PACKET_TYPE_ECHO,         "Echo" },
 167         { IPX_PACKET_TYPE_ERROR,        "Error" },
 168         { IPX_PACKET_TYPE_PEP,          "PEP" }, /* Packet Exchange Packet */
 169         { IPX_PACKET_TYPE_SPX,          "SPX" },
 170         { 16,                           "Experimental Protocol" },
 171         { IPX_PACKET_TYPE_NCP,          "NCP" },
 172         { 18,                           "Experimental Protocol" },
 173         { 19,                           "Experimental Protocol" },
 174         { IPX_PACKET_TYPE_WANBCAST,     "NetBIOS Broadcast" },
 175         { 21,                           "Experimental Protocol" },
 176         { 22,                           "Experimental Protocol" },
 177         { 23,                           "Experimental Protocol" },
 178         { 24,                           "Experimental Protocol" },
 179         { 25,                           "Experimental Protocol" },
 180         { 26,                           "Experimental Protocol" },
 181         { 27,                           "Experimental Protocol" },
 182         { 28,                           "Experimental Protocol" },
 183         { 29,                           "Experimental Protocol" },
 184         { 30,                           "Experimental Protocol" },
 185         { 31,                           "Experimental Protocol" },
 186         { 0,                            NULL }
 187 };
 188
 189 static const value_string ipxmsg_sigchar_vals[] = {
 190         { '?', "Poll inactive station" },
 191         { 0, NULL }
 192 };
 193
 194 void
 195 capture_ipx(packet_counts *ld)
 196 {
 197         ld->ipx++;
 198 }
 199
 200 static void
 201 dissect_ipx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 202 {
 203         tvbuff_t        *next_tvb;
 204
 205         proto_tree      *ipx_tree;
 206         proto_item      *ti;
 207
 208         const guint8    *src_net_node, *dst_net_node;
 209
 210         guint8          ipx_type, ipx_hops;
 211         guint16         ipx_length;
 212
 213         guint16         ipx_dsocket, ipx_ssocket;
 214
 215         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 216                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX");
 217         if (check_col(pinfo->cinfo, COL_INFO))
 218                 col_clear(pinfo->cinfo, COL_INFO);
 219
 220         /* Calculate here for use in pinfo and in tree */
 221         ipx_dsocket     = tvb_get_ntohs(tvb, 16);
 222         ipx_ssocket     = tvb_get_ntohs(tvb, 28);
 223         ipx_type        = tvb_get_guint8(tvb, 5);
 224         ipx_length      = tvb_get_ntohs(tvb, 2);
 225
 226         /* Adjust the tvbuff length to include only the IPX datagram. */
 227         set_actual_length(tvb, ipx_length);
 228
 229         src_net_node = tvb_get_ptr(tvb, 18, 10);
 230         dst_net_node = tvb_get_ptr(tvb, 6,  10);
 231
 232         SET_ADDRESS(&pinfo->net_src,    AT_IPX, 10, src_net_node);
 233         SET_ADDRESS(&pinfo->src,        AT_IPX, 10, src_net_node);
 234         SET_ADDRESS(&pinfo->net_dst,    AT_IPX, 10, dst_net_node);
 235         SET_ADDRESS(&pinfo->dst,        AT_IPX, 10, dst_net_node);
 236
 237         if (check_col(pinfo->cinfo, COL_INFO))
 238                 col_add_fstr(pinfo->cinfo, COL_INFO, "%s (0x%04x)",
 239                                 socket_text(ipx_dsocket), ipx_dsocket);
 240
 241         if (tree) {
 242
 243                 ti = proto_tree_add_item(tree, proto_ipx, tvb, 0, IPX_HEADER_LEN, FALSE);
 244                 ipx_tree = proto_item_add_subtree(ti, ett_ipx);
 245
 246                 proto_tree_add_item(ipx_tree, hf_ipx_checksum, tvb, 0, 2, FALSE);
 247                 proto_tree_add_uint_format(ipx_tree, hf_ipx_len, tvb, 2, 2, ipx_length,
 248                         "Length: %d bytes", ipx_length);
 249                 ipx_hops = tvb_get_guint8(tvb, 4);
 250                 proto_tree_add_uint_format(ipx_tree, hf_ipx_hops, tvb, 4, 1, ipx_hops,
 251                         "Transport Control: %d hops", ipx_hops);
 252                 proto_tree_add_uint(ipx_tree, hf_ipx_packet_type, tvb, 5, 1, ipx_type);
 253
 254                 /* Destination */
 255                 proto_tree_add_item(ipx_tree, hf_ipx_dnet, tvb, 6, 4, FALSE);
 256                 proto_tree_add_item(ipx_tree, hf_ipx_dnode, tvb, 10, 6, FALSE);
 257                 proto_tree_add_uint(ipx_tree, hf_ipx_dsocket, tvb, 16, 2,
 258                         ipx_dsocket);
 259
 260                 /* Source */
 261                 proto_tree_add_item(ipx_tree, hf_ipx_snet, tvb, 18, 4, FALSE);
 262                 proto_tree_add_item(ipx_tree, hf_ipx_snode, tvb, 22, 6, FALSE);
 263                 proto_tree_add_uint(ipx_tree, hf_ipx_ssocket, tvb, 28, 2,
 264                         ipx_ssocket);
 265         }
 266
 267         /* Make the next tvbuff */
 268         next_tvb = tvb_new_subset(tvb, IPX_HEADER_LEN, -1, -1);
 269
 270         if (dissector_try_port(ipx_type_dissector_table, ipx_type, next_tvb,
 271             pinfo, tree))
 272                 return;
 273
 274         /*
 275          * Let the subdissector know what type of IPX packet this is.
 276          */
 277         pinfo->ipxptype = ipx_type;
 278
 279         if (dissector_try_port(ipx_socket_dissector_table, ipx_dsocket,
 280             next_tvb, pinfo, tree))
 281                 return;
 282         if (dissector_try_port(ipx_socket_dissector_table, ipx_ssocket,
 283             next_tvb, pinfo, tree))
 284                 return;
 285         call_dissector(data_handle,next_tvb, pinfo, tree);
 286 }
 287
 288
 289 /* ================================================================= */
 290 /* SPX                                                               */
 291 /* ================================================================= */
 292 static const char*
 293 spx_conn_ctrl(guint8 ctrl)
 294 {
 295         const char *p;
 296
 297         static const value_string conn_vals[] = {
 298                 { 0x10, "End-of-Message" },
 299                 { 0x20, "Attention" },
 300                 { 0x40, "Acknowledgment Required"},
 301                 { 0x80, "System Packet"},
 302                 { 0x00, NULL }
 303         };
 304
 305         p = match_strval(ctrl, conn_vals);
 306
 307         if (p) {
 308                 return p;
 309         }
 310         else {
 311                 return "Unknown";
 312         }
 313 }
 314
 315 static const char*
 316 spx_datastream(guint8 type)
 317 {
 318         switch (type) {
 319                 case 0xfe:
 320                         return "End-of-Connection";
 321                 case 0xff:
 322                         return "End-of-Connection Acknowledgment";
 323                 default:
 324                         return "Client-Defined";
 325         }
 326 }
 327
 328 #define SPX_HEADER_LEN  12
 329
 330 static void
 331 dissect_spx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 332 {
 333         proto_tree      *spx_tree;
 334         proto_item      *ti;
 335         tvbuff_t        *next_tvb;
 336
 337         guint8          conn_ctrl;
 338         guint8          datastream_type;
 339
 340         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 341                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SPX");
 342         if (check_col(pinfo->cinfo, COL_INFO))
 343                 col_set_str(pinfo->cinfo, COL_INFO, "SPX");
 344
 345         if (tree) {
 346                 ti = proto_tree_add_item(tree, proto_spx, tvb, 0, SPX_HEADER_LEN, FALSE);
 347                 spx_tree = proto_item_add_subtree(ti, ett_spx);
 348
 349                 conn_ctrl = tvb_get_guint8(tvb, 0);
 350                 proto_tree_add_uint_format(spx_tree, hf_spx_connection_control, tvb,
 351                                            0, 1, conn_ctrl,
 352                                            "Connection Control: %s (0x%02X)",
 353                                            spx_conn_ctrl(conn_ctrl), conn_ctrl);
 354
 355                 datastream_type = tvb_get_guint8(tvb, 1);
 356                 proto_tree_add_uint_format(spx_tree, hf_spx_datastream_type, tvb,
 357                                            1, 1, datastream_type,
 358                                            "Datastream Type: %s (0x%02X)",
 359                                            spx_datastream(datastream_type), datastream_type);
 360
 361                 proto_tree_add_item(spx_tree, hf_spx_src_id, tvb,  2, 2, FALSE);
 362                 proto_tree_add_item(spx_tree, hf_spx_dst_id, tvb,  4, 2, FALSE);
 363                 proto_tree_add_item(spx_tree, hf_spx_seq_nr, tvb,  6, 2, FALSE);
 364                 proto_tree_add_item(spx_tree, hf_spx_ack_nr, tvb,  8, 2, FALSE);
 365                 proto_tree_add_item(spx_tree, hf_spx_all_nr, tvb, 10, 2, FALSE);
 366
 367                 next_tvb = tvb_new_subset(tvb, SPX_HEADER_LEN, -1, -1);
 368                 call_dissector(data_handle,next_tvb, pinfo, tree);
 369         }
 370 }
 371
 372 /* ================================================================= */
 373 /* IPX Message                                                       */
 374 /* ================================================================= */
 375 static void
 376 dissect_ipxmsg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 377 {
 378         proto_tree      *msg_tree;
 379         proto_item      *ti;
 380         guint8          conn_number, sig_char;
 381
 382         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 383                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX MSG");
 384         if (check_col(pinfo->cinfo, COL_INFO))
 385                 col_clear(pinfo->cinfo, COL_INFO);
 386
 387         conn_number = tvb_get_guint8(tvb, 0);
 388         sig_char = tvb_get_guint8(tvb, 1);
 389
 390         if (check_col(pinfo->cinfo, COL_INFO)) {
 391                 col_add_fstr(pinfo->cinfo, COL_INFO,
 392                         "%s, Connection %d",
 393                         val_to_str(sig_char, ipxmsg_sigchar_vals, "Unknown Signature Char"), conn_number);
 394         }
 395
 396         if (tree) {
 397                 ti = proto_tree_add_item(tree, proto_ipxmsg, tvb, 0, -1, FALSE);
 398                 msg_tree = proto_item_add_subtree(ti, ett_ipxmsg);
 399
 400                 proto_tree_add_uint(msg_tree, hf_msg_conn, tvb, 0, 1, conn_number);
 401                 proto_tree_add_uint(msg_tree, hf_msg_sigchar, tvb, 1, 1, sig_char);
 402         }
 403 }
 404
 405
 406 /* ================================================================= */
 407 /* IPX RIP                                                           */
 408 /* ================================================================= */
 409 static void
 410 dissect_ipxrip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 411 {
 412         proto_tree      *rip_tree;
 413         proto_item      *ti;
 414         guint16         operation;
 415         struct ipx_rt_def route;
 416         int             cursor;
 417         int             available_length;
 418
 419         static char     *rip_type[3] = { "Request", "Response", "Unknown" };
 420
 421         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 422                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX RIP");
 423         if (check_col(pinfo->cinfo, COL_INFO))
 424                 col_clear(pinfo->cinfo, COL_INFO);
 425
 426         operation = tvb_get_ntohs(tvb, 0) - 1;
 427
 428         if (check_col(pinfo->cinfo, COL_INFO)) {
 429                 /* rip_types 0 and 1 are valid, anything else becomes 2 or "Unknown" */
 430                 col_set_str(pinfo->cinfo, COL_INFO, rip_type[MIN(operation, 2)]);
 431         }
 432
 433         if (tree) {
 434                 ti = proto_tree_add_item(tree, proto_ipxrip, tvb, 0, -1, FALSE);
 435                 rip_tree = proto_item_add_subtree(ti, ett_ipxrip);
 436
 437                 if (operation < 2) {
 438                         proto_tree_add_text(rip_tree, tvb, 0, 2,
 439                         "RIP packet type: %s", rip_type[operation]);
 440
 441                         if (operation == 0) {
 442                           proto_tree_add_boolean_hidden(rip_tree,
 443                                                      hf_ipxrip_request,
 444                                                      tvb, 0, 2, 1);
 445                         } else {
 446                           proto_tree_add_boolean_hidden(rip_tree,
 447                                                      hf_ipxrip_response,
 448                                                      tvb, 0, 2, 1);
 449                         }
 450
 451                 }
 452                 else {
 453                         proto_tree_add_text(rip_tree, tvb, 0, 2, "Unknown RIP packet type");
 454                 }
 455
 456                 available_length = tvb_reported_length(tvb);
 457                 for (cursor =  2; cursor < available_length; cursor += 8) {
 458                         tvb_memcpy(tvb, (guint8 *)&route.network, cursor, 4);
 459                         route.hops = tvb_get_ntohs(tvb, cursor+4);
 460                         route.ticks = tvb_get_ntohs(tvb, cursor+6);
 461
 462                         if (operation == IPX_RIP_REQUEST - 1) {
 463                                 proto_tree_add_text(rip_tree, tvb, cursor,      8,
 464                                         "Route Vector: %s, %d hop%s, %d tick%s",
 465                                         ipxnet_to_string((guint8*)&route.network),
 466                                         route.hops,  route.hops  == 1 ? "" : "s",
 467                                         route.ticks, route.ticks == 1 ? "" : "s");
 468                         }
 469                         else {
 470                                 proto_tree_add_text(rip_tree, tvb, cursor,      8,
 471                                         "Route Vector: %s, %d hop%s, %d tick%s (%d ms)",
 472                                         ipxnet_to_string((guint8*)&route.network),
 473                                         route.hops,  route.hops  == 1 ? "" : "s",
 474                                         route.ticks, route.ticks == 1 ? "" : "s",
 475                                         route.ticks * 1000 / 18);
 476                         }
 477                 }
 478         }
 479 }
 480
 481
 482
 483 /* ================================================================= */
 484 /* SAP                                                                   */
 485 /* ================================================================= */
 486 static const char*
 487 server_type(guint16 type)
 488 {
 489         const char *p;
 490
 491         /*
 492          * Some of these are from ncpfs, others are from the book,
 493          * others are from the page at
 494          *
 495          *      http://www.iana.org/assignments/novell-sap-numbers
 496          *
 497          * and some from the page at
 498          *
 499          *      http://www.rware.demon.co.uk/ipxsap.htm
 500          *
 501          * (see also the page at
 502          *
 503          *      http://developer.novell.com/research/appnotes/1998/february/03/06.htm
 504          *
 505          * which has a huge list - but many of the entries list only the
 506          * organization owning the SAP type, not what the type is for).
 507          */
 508         static const value_string server_vals[] = {
 509                 { 0x0000,       "Unknown" },
 510                 { 0x0001,       "User" },
 511                 { 0x0002,       "User Group" },
 512                 { 0x0003,       "Print Queue or Print Group" },
 513                 { 0x0004,       "File Server (SLIST source)" },
 514                 { 0x0005,       "Job Server" },
 515                 { 0x0006,       "Gateway" },
 516                 { 0x0007,       "Print Server or Silent Print Server" },
 517                 { 0x0008,       "Archive Queue" },
 518                 { 0x0009,       "Archive Server" },
 519                 { 0x000a,       "Job Queue" },
 520                 { 0x000b,       "Administration" },
 521                 { 0x000F,       "Novell TI-RPC" },
 522                 { 0x0017,       "Diagnostics" },
 523                 { 0x0020,       "NetBIOS" },
 524                 { 0x0021,       "NAS SNA Gateway" },
 525                 { 0x0023,       "NACS Async Gateway or Asynchronous Gateway" },
 526                 { 0x0024,       "Remote Bridge or Routing Service" },
 527                 { 0x0026,       "Bridge Server or Asynchronous Bridge Server" },
 528                 { 0x0027,       "TCP/IP Gateway Server" },
 529                 { 0x0028,       "Point to Point (Eicon) X.25 Bridge Server" },
 530                 { 0x0029,       "Eicon 3270 Gateway" },
 531                 { 0x002a,       "CHI Corp" },
 532                 { 0x002c,       "PC Chalkboard" },
 533                 { 0x002d,       "Time Synchronization Server or Asynchronous Timer" },
 534                 { 0x002e,       "ARCserve 5.0 / Palindrome Backup Director 4.x (PDB4)" },
 535                 { 0x0045,       "DI3270 Gateway" },
 536                 { 0x0047,       "Advertising Print Server" },
 537                 { 0x004a,       "NetBlazer Modems" },
 538                 { 0x004b,       "Btrieve VAP/NLM 5.0" },
 539                 { 0x004c,       "Netware SQL VAP/NLM Server" },
 540                 { 0x004d,       "Xtree Network Version/Netware XTree" },
 541                 { 0x0050,       "Btrieve VAP 4.11" },
 542                 { 0x0052,       "QuickLink (Cubix)" },
 543                 { 0x0053,       "Print Queue User" },
 544                 { 0x0058,       "Multipoint X.25 Eicon Router" },
 545                 { 0x0060,       "STLB/NLM" },
 546                 { 0x0064,       "ARCserve" },
 547                 { 0x0066,       "ARCserve 3.0" },
 548                 { 0x0072,       "WAN Copy Utility" },
 549                 { 0x007a,       "TES-Netware for VMS" },
 550                 { 0x0092,       "WATCOM Debugger or Emerald Tape Backup Server" },
 551                 { 0x0095,       "DDA OBGYN" },
 552                 { 0x0098,       "Netware Access Server (Asynchronous gateway)" },
 553                 { 0x009a,       "Netware for VMS II or Named Pipe Server" },
 554                 { 0x009b,       "Netware Access Server" },
 555                 { 0x009e,       "Portable Netware Server or SunLink NVT" },
 556                 { 0x00a1,       "Powerchute APC UPS NLM" },
 557                 { 0x00aa,       "LAWserve" },
 558                 { 0x00ac,       "Compaq IDA Status Monitor" },
 559                 { 0x0100,       "PIPE STAIL" },
 560                 { 0x0102,       "LAN Protect Bindery" },
 561                 { 0x0103,       "Oracle DataBase Server" },
 562                 { 0x0107,       "Netware 386 or RSPX Remote Console" },
 563                 { 0x010f,       "Novell SNA Gateway" },
 564                 { 0x0111,       "Test Server" },
 565                 { 0x0112,       "Print Server (HP)" },
 566                 { 0x0114,       "CSA MUX (f/Communications Executive)" },
 567                 { 0x0115,       "CSA LCA (f/Communications Executive)" },
 568                 { 0x0116,       "CSA CM (f/Communications Executive)" },
 569                 { 0x0117,       "CSA SMA (f/Communications Executive)" },
 570                 { 0x0118,       "CSA DBA (f/Communications Executive)" },
 571                 { 0x0119,       "CSA NMA (f/Communications Executive)" },
 572                 { 0x011a,       "CSA SSA (f/Communications Executive)" },
 573                 { 0x011b,       "CSA STATUS (f/Communications Executive)" },
 574                 { 0x011e,       "CSA APPC (f/Communications Executive)" },
 575                 { 0x0126,       "SNA TEST SSA Profile" },
 576                 { 0x012a,       "CSA TRACE (f/Communications Executive)" },
 577                 { 0x012b,       "Netware for SAA" },
 578                 { 0x012e,       "IKARUS virus scan utility" },
 579                 { 0x0130,       "Communications Executive" },
 580                 { 0x0133,       "NNS Domain Server or Netware Naming Services Domain" },
 581                 { 0x0135,       "Netware Naming Services Profile" },
 582                 { 0x0137,       "Netware 386 Print Queue or NNS Print Queue" },
 583                 { 0x0141,       "LAN Spool Server (Vap, Intel)" },
 584                 { 0x0152,       "IRMALAN Gateway" },
 585                 { 0x0154,       "Named Pipe Server" },
 586                 { 0x0166,       "NetWare Management" },
 587                 { 0x0168,       "Intel PICKIT Comm Server or Intel CAS Talk Server" },
 588                 { 0x0173,       "Compaq" },
 589                 { 0x0174,       "Compaq SNMP Agent" },
 590                 { 0x0175,       "Compaq" },
 591                 { 0x0180,       "XTree Server or XTree Tools" },
 592                 { 0x018A,       "NASI services broadcast server (Novell)" },
 593                 { 0x01b0,       "GARP Gateway (net research)" },
 594                 { 0x01b1,       "Binfview (Lan Support Group)" },
 595                 { 0x01bf,       "Intel LanDesk Manager" },
 596                 { 0x01ca,       "AXTEC" },
 597                 { 0x01cb,       "Shiva NetModem/E" },
 598                 { 0x01cc,       "Shiva LanRover/E" },
 599                 { 0x01cd,       "Shiva LanRover/T" },
 600                 { 0x01ce,       "Shiva Universal" },
 601                 { 0x01d8,       "Castelle FAXPress Server" },
 602                 { 0x01da,       "Castelle LANPress Print Server" },
 603                 { 0x01dc,       "Castelle FAX/Xerox 7033 Fax Server/Excel Lan Fax" },
 604                 { 0x01f0,       "LEGATO" },
 605                 { 0x01f5,       "LEGATO" },
 606                 { 0x0233,       "NMS Agent or Netware Management Agent" },
 607                 { 0x0237,       "NMS IPX Discovery or LANtern Read/Write Channel" },
 608                 { 0x0238,       "NMS IP Discovery or LANtern Trap/Alarm Channel" },
 609                 { 0x023a,       "LANtern" },
 610                 { 0x023c,       "MAVERICK" },
 611                 { 0x023f,       "SMS Testing and Development" },
 612                 { 0x024e,       "Netware Connect" },
 613                 { 0x024f,       "NASI server broadcast (Cisco)" },
 614                 { 0x026a,       "Network Management (NMS) Service Console" },
 615                 { 0x026b,       "Time Synchronization Server (Netware 4.x)" },
 616                 { 0x0278,       "Directory Server (Netware 4.x)" },
 617                 { 0x027b,       "Netware Management Agent" },
 618                 { 0x0280,       "Novell File and Printer Sharing Service for PC" },
 619                 { 0x0304,       "Novell SAA Gateway" },
 620                 { 0x0308,       "COM or VERMED 1" },
 621                 { 0x030a,       "Galacticomm's Worldgroup Server" },
 622                 { 0x030c,       "Intel Netport 2 or HP JetDirect or HP Quicksilver" },
 623                 { 0x0320,       "Attachmate Gateway" },
 624                 { 0x0327,       "Microsoft Diagnostics" },
 625                 { 0x0328,       "WATCOM SQL server" },
 626                 { 0x0335,       "MultiTech Systems Multisynch Comm Server" },
 627                 { 0x0343,       "Xylogics Remote Access Server or LAN Modem" },
 628                 { 0x0355,       "Arcada Backup Exec" },
 629                 { 0x0358,       "MSLCD1" },
 630                 { 0x0361,       "NETINELO" },
 631                 { 0x037e,       "Powerchute UPS Monitoring" },
 632                 { 0x037f,       "ViruSafe Notify" },
 633                 { 0x0386,       "HP Bridge" },
 634                 { 0x0387,       "HP Hub" },
 635                 { 0x0394,       "NetWare SAA Gateway" },
 636                 { 0x039b,       "Lotus Notes" },
 637                 { 0x03b7,       "Certus Anti Virus NLM" },
 638                 { 0x03c4,       "ARCserve 4.0 (Cheyenne)" },
 639                 { 0x03c7,       "LANspool 3.5 (Intel)" },
 640                 { 0x03d7,       "Lexmark printer server (type 4033-011)" },
 641                 { 0x03d8,       "Lexmark XLE printer server (type 4033-301)" },
 642                 { 0x03dd,       "Banyan ENS for Netware Client NLM" },
 643                 { 0x03de,       "Gupta Sequel Base Server or NetWare SQL" },
 644                 { 0x03e1,       "Univel Unixware" },
 645                 { 0x03e4,       "Univel Unixware" },
 646                 { 0x03fc,       "Intel Netport" },
 647                 { 0x03fd,       "Intel Print Server Queue" },
 648                 { 0x040A,       "ipnServer" },
 649                 { 0x040D,       "LVERRMAN" },
 650                 { 0x040E,       "LVLIC" },
 651                 { 0x0414,       "NET Silicon (DPI)/Kyocera" },
 652                 { 0x0429,       "Site Lock Virus (Brightworks)" },
 653                 { 0x0432,       "UFHELP R" },
 654                 { 0x0433,       "Synoptics 281x Advanced SNMP Agent" },
 655                 { 0x0444,       "Microsoft NT SNA Server" },
 656                 { 0x0448,       "Oracle" },
 657                 { 0x044c,       "ARCserve 5.01" },
 658                 { 0x0457,       "Canon GP55 Running on a Canon GP55 network printer" },
 659                 { 0x045a,       "QMS Printers" },
 660                 { 0x045b,       "Dell SCSI Array (DSA) Monitor" },
 661                 { 0x0491,       "NetBlazer Modems" },
 662                 { 0x04ac,       "On-Time Scheduler NLM" },
 663                 { 0x04b0,       "CD-Net (Meridian)" },
 664                 { 0x0513,       "Emulex NQA" },
 665                 { 0x0520,       "Site Lock Checks" },
 666                 { 0x0529,       "Site Lock Checks (Brightworks)" },
 667                 { 0x052d,       "Citrix OS/2 App Server" },
 668                 { 0x0535,       "Tektronix" },
 669                 { 0x0536,       "Milan" },
 670                 { 0x055d,       "Attachmate SNA gateway" },
 671                 { 0x056b,       "IBM 8235 modem server" },
 672                 { 0x056c,       "Shiva LanRover/E PLUS" },
 673                 { 0x056d,       "Shiva LanRover/T PLUS" },
 674                 { 0x0580,       "McAfee's NetShield anti-virus" },
 675                 { 0x05B8,       "NLM to workstation communication (Revelation Software)" },
 676                 { 0x05BA,       "Compatible Systems Routers" },
 677                 { 0x05BE,       "Cheyenne Hierarchical Storage Manager" },
 678                 { 0x0606,       "JCWatermark Imaging" },
 679                 { 0x060c,       "AXIS Network Printer" },
 680                 { 0x0610,       "Adaptec SCSI Management" },
 681                 { 0x0621,       "IBM AntiVirus NLM" },
 682                 { 0x0640,       "Microsoft Gateway Services for NetWare" },
 683 /*              { 0x0640,       "NT Server-RPC/GW for NW/Win95 User Level Sec" }, */
 684                 { 0x064e,       "Microsoft Internet Information Server" },
 685                 { 0x067b,       "Microsoft Win95/98 File and Print Sharing for NetWare" },
 686                 { 0x067c,       "Microsoft Win95/98 File and Print Sharing for NetWare" },
 687                 { 0x076C,       "Xerox" },
 688                 { 0x079b,       "Shiva LanRover/E 115" },
 689                 { 0x079c,       "Shiva LanRover/T 115" },
 690                 { 0x07B4,       "Cubix WorldDesk" },
 691                 { 0x07c2,       "Quarterdeck IWare Connect V2.x NLM" },
 692                 { 0x07c1,       "Quarterdeck IWare Connect V3.x NLM" },
 693                 { 0x0810,       "ELAN License Server Demo" },
 694                 { 0x0824,       "Shiva LanRover Access Switch/E" },
 695                 { 0x086a,       "ISSC collector NLMs" },
 696                 { 0x087f,       "ISSC DAS agent for AIX" },
 697                 { 0x0880,       "Intel Netport PRO" },
 698                 { 0x0881,       "Intel Netport PRO" },
 699                 { 0x0b29,       "Site Lock" },
 700                 { 0x0c29,       "Site Lock Applications" },
 701                 { 0x0c2c,       "Licensing Server" },
 702                 { 0x2101,       "Performance Technology Instant Internet" },
 703                 { 0x2380,       "LAI Site Lock" },
 704                 { 0x238c,       "Meeting Maker" },
 705                 { 0x4808,       "Site Lock Server or Site Lock Metering VAP/NLM" },
 706                 { 0x5555,       "Site Lock User" },
 707                 { 0x6312,       "Tapeware" },
 708                 { 0x6f00,       "Rabbit Gateway (3270)" },
 709                 { 0x7703,       "MODEM" },
 710                 { 0x8002,       "NetPort Printers (Intel) or LANport" },
 711                 { 0x8008,       "WordPerfect Network Version" },
 712                 { 0x85BE,       "Cisco Enhanced Interior Routing Protocol (EIGRP)" },
 713                 { 0x8888,       "WordPerfect Network Version or Quick Network Management" },
 714                 { 0x9000,       "McAfee's NetShield anti-virus" },
 715                 { 0x9604,       "CSA-NT_MON" },
 716                 { 0xb6a8,       "Ocean Isle Reachout Remote Control" },
 717                 { 0xf11f,       "Site Lock Metering VAP/NLM" },
 718                 { 0xf1ff,       "Site Lock" },
 719                 { 0xf503,       "Microsoft SQL Server" },
 720                 { 0xf905,       "IBM Time and Place/2 application" },
 721                 { 0xfbfb,       "TopCall III fax server" },
 722                 { 0xffff,       "Any Service or Wildcard" },
 723                 { 0x0000,       NULL }
 724         };
 725
 726         p = match_strval(type, server_vals);
 727         if (p) {
 728                 return p;
 729         }
 730         else {
 731                 return "Unknown";
 732         }
 733 }
 734
 735 static void
 736 dissect_ipxsap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 737 {
 738         proto_tree      *sap_tree, *s_tree;
 739         proto_item      *ti;
 740         int             cursor;
 741         struct sap_query query;
 742         struct sap_server_ident server;
 743
 744         static char     *sap_type[4] = { "General Query", "General Response",
 745                 "Nearest Query", "Nearest Response" };
 746
 747         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 748                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPX SAP");
 749         if (check_col(pinfo->cinfo, COL_INFO))
 750                 col_clear(pinfo->cinfo, COL_INFO);
 751
 752         query.query_type = tvb_get_ntohs(tvb, 0);
 753         query.server_type = tvb_get_ntohs(tvb, 2);
 754
 755         if (check_col(pinfo->cinfo, COL_INFO)) {
 756                 if (query.query_type >= 1 && query.query_type <= 4) {
 757                         col_set_str(pinfo->cinfo, COL_INFO, sap_type[query.query_type - 1]);
 758                 }
 759                 else {
 760                         col_set_str(pinfo->cinfo, COL_INFO, "Unknown Packet Type");
 761                 }
 762         }
 763
 764         if (tree) {
 765                 ti = proto_tree_add_item(tree, proto_sap, tvb, 0, -1, FALSE);
 766                 sap_tree = proto_item_add_subtree(ti, ett_ipxsap);
 767
 768                 if (query.query_type >= 1 && query.query_type <= 4) {
 769                         proto_tree_add_text(sap_tree, tvb, 0, 2, sap_type[query.query_type - 1]);
 770                         if ((query.query_type - 1) % 2) {
 771                           proto_tree_add_boolean_hidden(sap_tree,
 772                                                      hf_sap_response,
 773                                                      tvb, 0, 2, 1);
 774                         } else {
 775                           proto_tree_add_boolean_hidden(sap_tree,
 776                                                      hf_sap_request,
 777                                                      tvb, 0, 2, 1);
 778                         }
 779                 }
 780                 else {
 781                         proto_tree_add_text(sap_tree, tvb, 0, 2,
 782                                         "Unknown SAP Packet Type %d", query.query_type);
 783                 }
 784
 785                 if (query.query_type == IPX_SAP_GENERAL_RESPONSE ||
 786                                 query.query_type == IPX_SAP_NEAREST_RESPONSE) { /* responses */
 787
 788                         int available_length = tvb_reported_length(tvb);
 789                         for (cursor =  2; (cursor + 64) <= available_length; cursor += 64) {
 790                                 server.server_type = tvb_get_ntohs(tvb, cursor);
 791                                 tvb_memcpy(tvb, (guint8 *)server.server_name,
 792                                     cursor+2, 48);
 793                                 tvb_memcpy(tvb, (guint8 *)&server.server_network,
 794                                     cursor+50, 4);
 795                                 tvb_memcpy(tvb, (guint8 *)&server.server_node,
 796                                     cursor+54, 6);
 797                                 server.server_port = tvb_get_ntohs(tvb, cursor+60);
 798                                 server.intermediate_network = tvb_get_ntohs(tvb, cursor+62);
 799
 800                                 ti = proto_tree_add_text(sap_tree, tvb, cursor+2, 48,
 801                                         "Server Name: %s", server.server_name);
 802                                 s_tree = proto_item_add_subtree(ti, ett_ipxsap_server);
 803
 804                                 proto_tree_add_text(s_tree, tvb, cursor, 2, "Server Type: %s (0x%04X)",
 805                                                 server_type(server.server_type), server.server_type);
 806                                 proto_tree_add_text(s_tree, tvb, cursor+50, 4, "Network: %s",
 807                                                 ipxnet_to_string((guint8*)tvb_get_ptr(tvb, cursor+50, 4)));
 808                                 proto_tree_add_text(s_tree, tvb, cursor+54, 6, "Node: %s",
 809                                                 ether_to_str((guint8*)tvb_get_ptr(tvb, cursor+54, 6)));
 810                                 proto_tree_add_text(s_tree, tvb, cursor+60, 2, "Socket: %s (0x%04x)",
 811                                                 socket_text(server.server_port), server.server_port);
 812                                 proto_tree_add_text(s_tree, tvb, cursor+62, 2,
 813                                                 "Intermediate Networks: %d",
 814                                                 server.intermediate_network);
 815                         }
 816                 }
 817                 else {  /* queries */
 818                         proto_tree_add_text(sap_tree, tvb, 2, 2, "Server Type: %s (0x%04X)",
 819                                         server_type(query.server_type), query.server_type);
 820                 }
 821         }
 822 }
 823
 824 void
 825 proto_register_ipx(void)
 826 {
 827         static hf_register_info hf_ipx[] = {
 828                 { &hf_ipx_checksum,
 829                 { "Checksum",           "ipx.checksum", FT_UINT16, BASE_HEX, NULL, 0x0,
 830                         "", HFILL }},
 831
 832                 { &hf_ipx_len,
 833                 { "Length",             "ipx.len", FT_UINT16, BASE_DEC, NULL, 0x0,
 834                         "", HFILL }},
 835
 836                 { &hf_ipx_hops,
 837                 { "Transport Control (Hops)", "ipx.hops", FT_UINT8, BASE_DEC, NULL, 0x0,
 838                         "", HFILL }},
 839
 840                 { &hf_ipx_packet_type,
 841                 { "Packet Type",        "ipx.packet_type", FT_UINT8, BASE_HEX, VALS(ipx_packet_type_vals),
 842                         0x0,
 843                         "", HFILL }},
 844
 845                 { &hf_ipx_dnet,
 846                 { "Destination Network","ipx.dst.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
 847                         "", HFILL }},
 848
 849                 { &hf_ipx_dnode,
 850                 { "Destination Node",   "ipx.dst.node", FT_ETHER, BASE_NONE, NULL, 0x0,
 851                         "", HFILL }},
 852
 853                 { &hf_ipx_dsocket,
 854                 { "Destination Socket", "ipx.dst.socket", FT_UINT16, BASE_HEX,
 855                         VALS(ipx_socket_vals), 0x0,
 856                         "", HFILL }},
 857
 858                 { &hf_ipx_snet,
 859                 { "Source Network","ipx.src.net", FT_IPXNET, BASE_NONE, NULL, 0x0,
 860                         "", HFILL }},
 861
 862                 { &hf_ipx_snode,
 863                 { "Source Node",        "ipx.src.node", FT_ETHER, BASE_NONE, NULL, 0x0,
 864                         "", HFILL }},
 865
 866                 { &hf_ipx_ssocket,
 867                 { "Source Socket",      "ipx.src.socket", FT_UINT16, BASE_HEX,
 868                         VALS(ipx_socket_vals), 0x0,
 869                         "", HFILL }},
 870         };
 871
 872         static hf_register_info hf_spx[] = {
 873                 { &hf_spx_connection_control,
 874                 { "Connection Control",         "spx.ctl",
 875                   FT_UINT8,     BASE_HEX,       NULL,   0x0,
 876                   "", HFILL }},
 877
 878                 { &hf_spx_datastream_type,
 879                 { "Datastream type",            "spx.type",
 880                   FT_UINT8,     BASE_HEX,       NULL,   0x0,
 881                   "", HFILL }},
 882
 883                 { &hf_spx_src_id,
 884                 { "Source Connection ID",       "spx.src",
 885                   FT_UINT16,    BASE_DEC,       NULL,   0x0,
 886                   "", HFILL }},
 887
 888                 { &hf_spx_dst_id,
 889                 { "Destination Connection ID",  "spx.dst",
 890                   FT_UINT16,    BASE_DEC,       NULL,   0x0,
 891                   "", HFILL }},
 892
 893                 { &hf_spx_seq_nr,
 894                 { "Sequence Number",            "spx.seq",
 895                   FT_UINT16,    BASE_DEC,       NULL,   0x0,
 896                   "", HFILL }},
 897
 898                 { &hf_spx_ack_nr,
 899                 { "Acknowledgment Number",      "spx.ack",
 900                   FT_UINT16,    BASE_DEC,       NULL,   0x0,
 901                   "", HFILL }},
 902
 903                 { &hf_spx_all_nr,
 904                 { "Allocation Number",          "spx.alloc",
 905                   FT_UINT16,    BASE_DEC,       NULL,   0x0,
 906                   "", HFILL }}
 907         };
 908
 909         static hf_register_info hf_ipxrip[] = {
 910                 { &hf_ipxrip_request,
 911                 { "Request",                    "ipxrip.request",
 912                   FT_BOOLEAN,   BASE_NONE,      NULL,   0x0,
 913                   "TRUE if IPX RIP request", HFILL }},
 914
 915                 { &hf_ipxrip_response,
 916                 { "Response",                   "ipxrip.response",
 917                   FT_BOOLEAN,   BASE_NONE,      NULL,   0x0,
 918                   "TRUE if IPX RIP response", HFILL }}
 919         };
 920
 921         static hf_register_info hf_sap[] = {
 922                 { &hf_sap_request,
 923                 { "Request",                    "ipxsap.request",
 924                   FT_BOOLEAN,   BASE_NONE,      NULL,   0x0,
 925                   "TRUE if SAP request", HFILL }},
 926
 927                 { &hf_sap_response,
 928                 { "Response",                   "ipxsap.response",
 929                   FT_BOOLEAN,   BASE_NONE,      NULL,   0x0,
 930                   "TRUE if SAP response", HFILL }}
 931         };
 932
 933         static hf_register_info hf_ipxmsg[] = {
 934                 { &hf_msg_conn,
 935                 { "Connection Number",                  "ipxmsg.conn",
 936                   FT_UINT8,     BASE_DEC,       NULL,   0x0,
 937                   "Connection Number", HFILL }},
 938
 939                 { &hf_msg_sigchar,
 940                 { "Signature Char",                     "ipxmsg.sigchar",
 941                   FT_UINT8,     BASE_DEC,       VALS(ipxmsg_sigchar_vals),      0x0,
 942                   "Signature Char", HFILL }}
 943         };
 944
 945         static gint *ett[] = {
 946                 &ett_ipx,
 947                 &ett_spx,
 948                 &ett_ipxmsg,
 949                 &ett_ipxrip,
 950                 &ett_ipxsap,
 951                 &ett_ipxsap_server,
 952         };
 953
 954         proto_ipx = proto_register_protocol("Internetwork Packet eXchange",
 955             "IPX", "ipx");
 956         proto_register_field_array(proto_ipx, hf_ipx, array_length(hf_ipx));
 957
 958         register_dissector("ipx", dissect_ipx, proto_ipx);
 959
 960         proto_spx = proto_register_protocol("Sequenced Packet eXchange",
 961             "SPX", "spx");
 962         proto_register_field_array(proto_spx, hf_spx, array_length(hf_spx));
 963
 964         proto_ipxrip = proto_register_protocol("IPX Routing Information Protocol",
 965             "IPX RIP", "ipxrip");
 966         proto_register_field_array(proto_ipxrip, hf_ipxrip, array_length(hf_ipxrip));
 967
 968         proto_ipxmsg = proto_register_protocol("IPX Message", "IPX MSG",
 969             "ipxmsg");
 970         proto_register_field_array(proto_ipxmsg, hf_ipxmsg, array_length(hf_ipxmsg));
 971
 972         proto_sap = proto_register_protocol("Service Advertisement Protocol",
 973             "IPX SAP", "ipxsap");
 974         register_dissector("ipxsap", dissect_ipxsap, proto_sap);
 975
 976         proto_register_field_array(proto_sap, hf_sap, array_length(hf_sap));
 977
 978         proto_register_subtree_array(ett, array_length(ett));
 979
 980         ipx_type_dissector_table = register_dissector_table("ipx.packet_type",
 981             "IPX packet type", FT_UINT8, BASE_HEX);
 982         ipx_socket_dissector_table = register_dissector_table("ipx.socket",
 983             "IPX socket", FT_UINT16, BASE_HEX);
 984 }
 985
 986 void
 987 proto_reg_handoff_ipx(void)
 988 {
 989         dissector_handle_t ipx_handle, spx_handle;
 990         dissector_handle_t ipxsap_handle, ipxrip_handle;
 991         dissector_handle_t ipxmsg_handle;
 992
 993         ipx_handle = find_dissector("ipx");
 994         dissector_add("udp.port", UDP_PORT_IPX, ipx_handle);
 995         dissector_add("ethertype", ETHERTYPE_IPX, ipx_handle);
 996         dissector_add("chdlctype", ETHERTYPE_IPX, ipx_handle);
 997         dissector_add("ppp.protocol", PPP_IPX, ipx_handle);
 998         dissector_add("llc.dsap", SAP_NETWARE, ipx_handle);
 999         dissector_add("null.type", BSD_AF_IPX, ipx_handle);
1000         dissector_add("gre.proto", ETHERTYPE_IPX, ipx_handle);
1001         spx_handle = create_dissector_handle(dissect_spx, proto_spx);
1002         dissector_add("ipx.packet_type", IPX_PACKET_TYPE_SPX, spx_handle);
1003         ipxsap_handle = find_dissector("ipxsap");
1004         dissector_add("ipx.socket", IPX_SOCKET_SAP, ipxsap_handle);
1005         ipxrip_handle = create_dissector_handle(dissect_ipxrip, proto_ipxrip);
1006         dissector_add("ipx.socket", IPX_SOCKET_IPXRIP, ipxrip_handle);
1007         ipxmsg_handle = create_dissector_handle(dissect_ipxmsg, proto_ipxmsg);
1008         dissector_add("ipx.socket", IPX_SOCKET_IPX_MESSAGE, ipxmsg_handle);
1009         data_handle = find_dissector("data");
1010 }