packet-ismp.c

   1 /* packet-ismp.c
   2  * Routines for ISMP dissection
   3  * Enterasys Networks Home: http://www.enterasys.com/
   4  * Copyright 2003, Joshua Craig Douglas <jdouglas@enterasys.com>
   5  *
   6  * $Id: packet-ismp.c,v 1.4 2004/02/18 10:11:51 guy Exp $
   7  *
   8  * Ethereal - Network traffic analyzer
   9  * By Gerald Combs <gerald@ethereal.com>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  */
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include <glib.h>
  36
  37 #ifdef NEED_SNPRINTF_H
  38 # include "snprintf.h"
  39 #endif
  40
  41 #include <epan/packet.h>
  42 #include <epan/strutil.h>
  43 #include "etypes.h"
  44
  45
  46 /* Initialize the protocol and registered fields */
  47 static int proto_ismp = -1;
  48 static int hf_ismp_version = -1;
  49 static int hf_ismp_message_type = -1;
  50 static int hf_ismp_seq_num = -1;
  51 static int hf_ismp_code_length = -1;
  52 static int hf_ismp_auth_data = -1;
  53
  54 /* Enterasys/Cabletron Dicovery Protocol fields*/
  55 static int hf_ismp_edp_version = -1;
  56 static int hf_ismp_edp_module_ip = -1;
  57 static int hf_ismp_edp_module_mac = -1;
  58 static int hf_ismp_edp_module_port = -1;
  59 static int hf_ismp_edp_chassis_mac =-1;
  60 static int hf_ismp_edp_chassis_ip = -1;
  61 static int hf_ismp_edp_device_type = -1;
  62 static int hf_ismp_edp_module_rev = -1;
  63 static int hf_ismp_edp_options = -1;
  64 static int hf_ismp_edp_sfs_option_unused1 = -1;
  65 static int hf_ismp_edp_sfs_option_sfssup = -1;
  66 static int hf_ismp_edp_sfs_option_lsp = -1;
  67 static int hf_ismp_edp_sfs_option_flood = -1;
  68 static int hf_ismp_edp_sfs_option_resolve = -1;
  69 static int hf_ismp_edp_sfs_option_unused2 = -1;
  70 static int hf_ismp_edp_sfs_option_tagflood = -1;
  71 static int hf_ismp_edp_sfs_option_calltap = -1;
  72 static int hf_ismp_edp_sfs_option_conmsg = -1;
  73 static int hf_ismp_edp_sfs_option_redun = -1;
  74 static int hf_ismp_edp_sfs_option_isolated = -1;
  75 static int hf_ismp_edp_sfs_option_uplink_switch = -1;
  76 static int hf_ismp_edp_sfs_option_uplink_core = -1;
  77 static int hf_ismp_edp_sfs_option_uplink_port = -1;
  78 static int hf_ismp_edp_sfs_option_uplink_flood = -1;
  79 static int hf_ismp_edp_rtr_option_ssr = -1;
  80 static int hf_ismp_edp_rtr_option_igmp = -1;
  81 static int hf_ismp_edp_rtr_option_rip = -1;
  82 static int hf_ismp_edp_rtr_option_bgp = -1;
  83 static int hf_ismp_edp_rtr_option_ospf = -1;
  84 static int hf_ismp_edp_rtr_option_dvmrp = -1;
  85 static int hf_ismp_edp_rtr_option_8021q = -1;
  86 static int hf_ismp_edp_rtr_option_gvrp = -1;
  87 static int hf_ismp_edp_rtr_option_gmrp = -1;
  88 static int hf_ismp_edp_rtr_option_igmp_snoop = -1;
  89 static int hf_ismp_edp_rtr_option_route = -1;
  90 static int hf_ismp_edp_rtr_option_trans = -1;
  91 static int hf_ismp_edp_rtr_option_level1 = -1;
  92 static int hf_ismp_edp_switch_option_8021q = -1;
  93 static int hf_ismp_edp_switch_option_gvrp = -1;
  94 static int hf_ismp_edp_switch_option_gmrp = -1;
  95 static int hf_ismp_edp_switch_option_igmp = -1;
  96 static int hf_ismp_edp_switch_option_route = -1;
  97 static int hf_ismp_edp_switch_option_trans = -1;
  98 static int hf_ismp_edp_switch_option_level1 = -1;
  99 static int hf_ismp_edp_end_station_option_dhcp = -1;
 100 static int hf_ismp_edp_end_station_option_dns = -1;
 101 static int hf_ismp_edp_end_station_option_ad = -1;
 102 static int hf_ismp_edp_num_neighbors = -1;
 103 static int hf_ismp_edp_neighbors = -1;
 104 static int hf_ismp_edp_num_tuples = -1;
 105 static int hf_ismp_edp_tuples = -1;
 106
 107
 108 /* Initialize the subtree pointers */
 109 static gint ett_ismp = -1;
 110 static gint ett_ismp_edp = -1;
 111 static gint ett_ismp_edp_options = -1;
 112 static gint ett_ismp_edp_neighbors = -1;
 113 static gint ett_ismp_edp_neighbors_leaf = -1;
 114 static gint ett_ismp_edp_tuples = -1;
 115 static gint ett_ismp_edp_tuples_leaf = -1;
 116
 117 /* ISMP TYPES */
 118 #define ISMPTYPE_EDP    2
 119
 120
 121 /* EDP DEVICE TYPES */
 122 #define EDP_DEVICE_TYPE_SFS17           1
 123 #define EDP_DEVICE_TYPE_SFS18           2
 124 #define EDP_DEVICE_TYPE_ROUTER          3
 125 #define EDP_DEVICE_TYPE_BRIDGE          4
 126 #define EDP_DEVICE_TYPE_VLANMAN         5
 127 #define EDP_DEVICE_TYPE_NTSERVER        6
 128 #define EDP_DEVICE_TYPE_NTCLIENT        7
 129 #define EDP_DEVICE_TYPE_WIN95           8
 130 #define EDP_DEVICE_TYPE_WIN98           9
 131 #define EDP_DEVICE_TYPE_UNIXSERVER      10
 132 #define EDP_DEVICE_TYPE_UNIXCLIENT      11
 133 #define EDP_DEVICE_TYPE_ACCESSPOINT     12
 134
 135
 136 static const value_string edp_device_types[] = {
 137         { EDP_DEVICE_TYPE_SFS17,       "Network Switch running SecureFast version 1.7 or lower" },
 138         { EDP_DEVICE_TYPE_SFS18,         "Network Switch running SecureFast version 1.8 or greater" },
 139         { EDP_DEVICE_TYPE_ROUTER,         "Router" },
 140         { EDP_DEVICE_TYPE_BRIDGE,         "Bridge" },
 141         { EDP_DEVICE_TYPE_VLANMAN,         "Cabletron VLAN Manager" },
 142         { EDP_DEVICE_TYPE_NTSERVER,         "Network Server (NT)" },
 143         { EDP_DEVICE_TYPE_NTCLIENT,    "Network Workstation (NT)" },
 144         { EDP_DEVICE_TYPE_WIN95,     "Windows95" },
 145         { EDP_DEVICE_TYPE_WIN98,        "Windows98" },
 146         { EDP_DEVICE_TYPE_UNIXSERVER,       "UNIX Server" },
 147         { EDP_DEVICE_TYPE_UNIXCLIENT, "UNIX Workstation" },
 148         { EDP_DEVICE_TYPE_ACCESSPOINT,     "Roamabout wireless access point" },
 149         { 0,                    NULL },
 150 };
 151
 152
 153 /* EDP SFS Options */
 154 #define EDP_SFS_OPTION_UNUSED1          0x1
 155 #define EDP_SFS_OPTION_SFSSUP           0x2
 156 #define EDP_SFS_OPTION_LSP              0x4
 157 #define EDP_SFS_OPTION_FLOOD            0x8
 158 #define EDP_SFS_OPTION_RESOLVE          0x10
 159 #define EDP_SFS_OPTION_UNUSED2          0x20
 160 #define EDP_SFS_OPTION_TAGFLOOD         0x40
 161 #define EDP_SFS_OPTION_CALLTAP          0x80
 162 #define EDP_SFS_OPTION_CONMSG           0x100
 163 #define EDP_SFS_OPTION_REDUN            0x200
 164 #define EDP_SFS_OPTION_ISOLATED         0x400
 165 #define EDP_SFS_OPTION_UPLINK_SWITCH    0x800
 166 #define EDP_SFS_OPTION_UPLINK_CORE      0x1000
 167 #define EDP_SFS_OPTION_UPLINK_PORT      0x2000
 168 #define EDP_SFS_OPTION_UPLINK_FLOOD     0x4000
 169
 170 /* EDP Router Options */
 171 #define EDP_RTR_OPTION_SSR              0x1
 172 #define EDP_RTR_OPTION_IGMP             0x2
 173 #define EDP_RTR_OPTION_RIP              0x4
 174 #define EDP_RTR_OPTION_BGP              0x8
 175 #define EDP_RTR_OPTION_OSPF             0x10
 176 #define EDP_RTR_OPTION_DVMRP            0x20
 177 #define EDP_RTR_OPTION_8021Q            0x40
 178 #define EDP_RTR_OPTION_GVRP             0x80
 179 #define EDP_RTR_OPTION_GMRP             0x100
 180 #define EDP_RTR_OPTION_IGMP_SNOOP       0x200
 181 #define EDP_RTR_OPTION_ROUTE            0x400
 182 #define EDP_RTR_OPTION_TRANS            0x800
 183 #define EDP_RTR_OPTION_LEVEL1           0x1000
 184
 185 /* EDP Switch Options */
 186 #define EDP_SWITCH_OPTION_8021Q         0x1
 187 #define EDP_SWITCH_OPTION_GVRP          0x2
 188 #define EDP_SWITCH_OPTION_GMRP          0x4
 189 #define EDP_SWITCH_OPTION_IGMP          0x8
 190 #define EDP_SWITCH_OPTION_ROUTE         0x10
 191 #define EDP_SWITCH_OPTION_TRANS         0x20
 192 #define EDP_SWITCH_OPTION_LEVEL1        0x40
 193
 194 /* EDP End Station and Server Options */
 195 #define EDP_END_STATION_OPTION_DHCP     0x1
 196 #define EDP_END_STATION_OPTION_DNS      0x2
 197 #define EDP_END_STATION_OPTION_AD       0x4
 198
 199 /* EDP Tuple Types */
 200 #define EDP_TUPLE_UNKNOWN               0
 201 #define EDP_TUPLE_HOLD                  1
 202 #define EDP_TUPLE_INT_NAME              2
 203 #define EDP_TUPLE_SYS_DESCRIPT  3
 204 #define EDP_TUPLE_IPX_ADDR              4
 205
 206 static const value_string edp_tuple_types[] =
 207 {
 208         { EDP_TUPLE_UNKNOWN,"Unknown" },
 209         { EDP_TUPLE_HOLD,"Hold Time" },
 210         { EDP_TUPLE_INT_NAME,"Interface Name" },
 211         { EDP_TUPLE_SYS_DESCRIPT,"System Description" },
 212         { EDP_TUPLE_IPX_ADDR,"IPX Address" },
 213         { 0,NULL }
 214 };
 215
 216 /* Is value set? */
 217 static const true_false_string is_set = {
 218         "set",
 219         "not set"
 220 };
 221
 222
 223 /* Function to dissect EDP portion of ISMP message */
 224 static void
 225 dissect_ismp_edp(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *ismp_tree)
 226 {
 227         /* local variables used for EDP dissection */
 228         int neighbors_count = 0;
 229         int tuples_count = 0;
 230         guint16 device_type = 0;
 231         guint32 options = 0;
 232         guint16 num_neighbors = 0;
 233         guint16 num_tuples = 0;
 234         guint16 tuple_type = 0;
 235         guint16 tuple_length = 0;
 236         const guint8 *neighbors_ptr;
 237         const guint8 *tuples_ptr;
 238
 239         /* Set up structures needed to add the protocol subtree and manage it */
 240         proto_item *edp_ti;
 241         proto_tree *ismp_edp_tree;
 242
 243         proto_item *edp_options_ti;
 244         proto_tree *edp_options_tree;
 245
 246         proto_item *edp_neighbors_ti;
 247         proto_tree *edp_neighbors_tree;
 248
 249         proto_item *edp_neighbors_leaf_ti;
 250         proto_tree *edp_neighbors_leaf_tree;
 251
 252         proto_item *edp_tuples_ti;
 253         proto_tree *edp_tuples_tree;
 254
 255         proto_item *edp_tuples_leaf_ti;
 256         proto_tree *edp_tuples_leaf_tree;
 257
 258         /* add column iformation marking this as EDP (Enterasys Discover Protocol */
 259         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 260                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "EDP Message");
 261         if (check_col(pinfo->cinfo, COL_INFO))
 262                 col_clear(pinfo->cinfo, COL_INFO);
 263
 264         /* create display subtree for EDP */
 265         if (ismp_tree) {
 266                 edp_ti  = proto_tree_add_text(ismp_tree, tvb, offset, 0, "Enterasys Discovery Protocol");
 267                 ismp_edp_tree = proto_item_add_subtree(edp_ti, ett_ismp_edp);
 268
 269
 270                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_version, tvb, offset, 2, FALSE);
 271                 offset += 2;
 272                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_module_ip, tvb, offset, 4, FALSE);
 273                 offset += 4;
 274                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_module_mac, tvb, offset, 6, FALSE);
 275                 offset += 6;
 276                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_module_port, tvb, offset, 4, FALSE);
 277                 offset += 4;
 278                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_chassis_mac, tvb, offset, 6, FALSE);
 279                 offset += 6;
 280                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_chassis_ip, tvb, offset, 4, FALSE);
 281                 offset += 4;
 282                 device_type = tvb_get_ntohs(tvb, offset);
 283                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_device_type, tvb, offset, 2, FALSE);
 284                 offset += 2;
 285                 proto_tree_add_uint_format(ismp_edp_tree, hf_ismp_edp_module_rev, tvb, offset, 4, tvb_get_ntohl(tvb, offset),
 286                         "Module Firmware Revision: %02x.%02x.%02x.%02x", tvb_get_guint8(tvb, offset),
 287                         tvb_get_guint8(tvb, offset+1), tvb_get_guint8(tvb, offset+2), tvb_get_guint8(tvb, offset+3));
 288                 offset += 4;
 289
 290                 /* create display subtree for EDP options */
 291                 options = tvb_get_ntohl(tvb, offset);
 292                 edp_options_ti = proto_tree_add_uint_format(ismp_edp_tree, hf_ismp_edp_options, tvb, offset, 4,
 293                         options,"Options: 0x%08x",options);
 294                 edp_options_tree = proto_item_add_subtree(edp_options_ti, ett_ismp_edp_options);
 295
 296                 /* depending on device_type, show the appropriate options */
 297                 switch (device_type) {
 298                         case EDP_DEVICE_TYPE_SFS17:
 299                         case EDP_DEVICE_TYPE_SFS18:
 300                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_uplink_flood, tvb, offset, 4, FALSE);
 301                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_uplink_port, tvb, offset, 4, FALSE);
 302                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_uplink_core, tvb, offset, 4, FALSE);
 303                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_uplink_switch, tvb, offset, 4, FALSE);
 304                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_isolated, tvb, offset, 4, FALSE);
 305                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_redun, tvb, offset, 4, FALSE);
 306                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_conmsg, tvb, offset, 4, FALSE);
 307                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_calltap, tvb, offset, 4, FALSE);
 308                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_tagflood, tvb, offset, 4, FALSE);
 309                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_unused2, tvb, offset, 4, FALSE);
 310                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_resolve, tvb, offset, 4, FALSE);
 311                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_flood, tvb, offset, 4, FALSE);
 312                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_lsp, tvb, offset, 4, FALSE);
 313                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_sfssup, tvb, offset, 4, FALSE);
 314                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_sfs_option_unused1, tvb, offset, 4, FALSE);
 315                                 break;
 316                         case EDP_DEVICE_TYPE_ROUTER:
 317                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_level1, tvb, offset, 4, FALSE);
 318                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_trans, tvb, offset, 4, FALSE);
 319                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_route, tvb, offset, 4, FALSE);
 320                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_igmp_snoop, tvb, offset, 4, FALSE);
 321                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_gmrp, tvb, offset, 4, FALSE);
 322                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_gvrp, tvb, offset, 4, FALSE);
 323                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_8021q, tvb, offset, 4, FALSE);
 324                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_dvmrp, tvb, offset, 4, FALSE);
 325                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_ospf, tvb, offset, 4, FALSE);
 326                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_bgp, tvb, offset, 4, FALSE);
 327                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_rip, tvb, offset, 4, FALSE);
 328                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_igmp, tvb, offset, 4, FALSE);
 329                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_rtr_option_ssr, tvb, offset, 4, FALSE);
 330                                 break;
 331                         case EDP_DEVICE_TYPE_BRIDGE:
 332                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_level1, tvb, offset, 4, FALSE);
 333                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_trans, tvb, offset, 4, FALSE);
 334                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_route, tvb, offset, 4, FALSE);
 335                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_igmp, tvb, offset, 4, FALSE);
 336                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_gmrp, tvb, offset, 4, FALSE);
 337                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_gvrp, tvb, offset, 4, FALSE);
 338                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_switch_option_8021q, tvb, offset, 4, FALSE);
 339                                 break;
 340                         case EDP_DEVICE_TYPE_VLANMAN:
 341                                 break;
 342                         case EDP_DEVICE_TYPE_NTSERVER:
 343                         case EDP_DEVICE_TYPE_NTCLIENT:
 344                         case EDP_DEVICE_TYPE_WIN95:
 345                         case EDP_DEVICE_TYPE_WIN98:
 346                         case EDP_DEVICE_TYPE_UNIXSERVER:
 347                         case EDP_DEVICE_TYPE_UNIXCLIENT:
 348                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_end_station_option_ad, tvb, offset, 4, FALSE);
 349                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_end_station_option_dns, tvb, offset, 4, FALSE);
 350                                 proto_tree_add_item(edp_options_tree, hf_ismp_edp_end_station_option_dhcp, tvb, offset, 4, FALSE);
 351                                 break;
 352                         case EDP_DEVICE_TYPE_ACCESSPOINT:
 353                         default:
 354                                 break;
 355                 }
 356                 offset += 4;
 357
 358                 /* determine the number of neighbors and create EDP neighbors subtree */
 359                 num_neighbors = tvb_get_ntohs(tvb, offset);
 360                 proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_num_neighbors, tvb, offset, 2, FALSE);
 361                 offset += 2;
 362                 if (num_neighbors > 0)
 363                 {
 364                         if (tvb_reported_length_remaining(tvb, offset) >= (num_neighbors *10))
 365                         {
 366                                 neighbors_ptr = tvb_get_ptr( tvb, offset, (num_neighbors*10) );
 367                                 edp_neighbors_ti = proto_tree_add_bytes_format(ismp_edp_tree, hf_ismp_edp_neighbors, tvb,
 368                                         offset, num_neighbors*10, neighbors_ptr, "Neighbors:");
 369                         }
 370                         else
 371                         {
 372                                 neighbors_ptr = tvb_get_ptr( tvb, offset, tvb_reported_length_remaining(tvb, offset) );
 373                                 edp_neighbors_ti = proto_tree_add_bytes_format(ismp_edp_tree, hf_ismp_edp_neighbors, tvb,
 374                                         offset, num_neighbors *10, neighbors_ptr, "Neighbors:");
 375                         }
 376                         edp_neighbors_tree = proto_item_add_subtree(edp_neighbors_ti, ett_ismp_edp_neighbors);
 377                         while ( neighbors_count < num_neighbors && tvb_reported_length_remaining(tvb, offset) >= 10)
 378                         {
 379                                 edp_neighbors_leaf_ti = proto_tree_add_text(edp_neighbors_tree, tvb, offset, 10,
 380                                                 "Neighbor%d", (neighbors_count+1));
 381                                 edp_neighbors_leaf_tree = proto_item_add_subtree(edp_neighbors_leaf_ti, ett_ismp_edp_neighbors_leaf);
 382
 383                                 proto_tree_add_text(edp_neighbors_leaf_tree, tvb, offset, 6,
 384                                         "MAC Address: %s", ether_to_str(tvb_get_ptr(tvb, offset, 6)));
 385                                 proto_tree_add_text(edp_neighbors_leaf_tree, tvb, offset, 4,
 386                                         "Assigned Neighbor State 0x%04x",tvb_get_ntohl(tvb, offset));
 387                                 offset += 10;
 388                                 neighbors_count++;
 389                         }
 390                         if (neighbors_count != num_neighbors)
 391                         {
 392                                 proto_tree_add_text(ismp_edp_tree, tvb, offset, tvb_reported_length_remaining(tvb, offset),
 393                                 "MALFORMED PACKET");
 394                                 return;
 395                         }
 396                 }
 397
 398                 /* determine data remains, if so, count tuples
 399                    and create EDP tuples subtree */
 400                 if (tvb_reported_length_remaining(tvb, offset) != 0 &&
 401                         tvb_reported_length_remaining(tvb, offset) >= 2)
 402                 {
 403                         num_tuples = tvb_get_ntohs(tvb, offset);
 404                         proto_tree_add_item(ismp_edp_tree, hf_ismp_edp_num_tuples, tvb, offset, 2, FALSE);
 405                         offset += 2;
 406                 }
 407                 else if (tvb_reported_length_remaining(tvb, offset) > 0) {
 408                         proto_tree_add_text(ismp_edp_tree, tvb, offset,
 409                                 tvb_reported_length_remaining(tvb, offset), "MALFORMED PACKET");
 410                         return;
 411                 }
 412                 else
 413                 {
 414                         return;
 415                 }
 416
 417                 /* start populating tuple information */
 418                 if (num_tuples && tvb_reported_length_remaining(tvb, offset) >= 4)
 419                 {
 420                         tuples_ptr = tvb_get_ptr(tvb, offset, tvb_reported_length_remaining(tvb, offset));
 421                         edp_tuples_ti = proto_tree_add_bytes_format(ismp_edp_tree, hf_ismp_edp_tuples, tvb,
 422                                 offset, tvb_reported_length_remaining(tvb, offset), tuples_ptr, "Tuples:");
 423                         edp_tuples_tree = proto_item_add_subtree(edp_tuples_ti, ett_ismp_edp_tuples);
 424
 425                         while ( (tuples_count < num_tuples) && (tvb_reported_length_remaining(tvb, offset) >= 4) )
 426                         {
 427
 428                                 tuple_length = tvb_get_ntohs(tvb, offset+2);
 429                                 edp_tuples_leaf_ti = proto_tree_add_text(edp_tuples_tree, tvb, offset, tuple_length,
 430                                         "Tuple%d", tuples_count+1);
 431
 432                                 edp_tuples_leaf_tree = proto_item_add_subtree(edp_tuples_leaf_ti, ett_ismp_edp_tuples_leaf);
 433
 434                                 tuple_type = tvb_get_ntohs(tvb, offset);
 435                                 proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, 2,
 436                                         "Tuple Type: %s(%d)", val_to_str( tuple_type, edp_tuple_types, "Unknown"), tuple_type );
 437                                 offset += 2;
 438                                 proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, 2,
 439                                         "Tuple Length: %d", tuple_length);
 440                                 tuple_length -= 4;
 441                                 offset += 2;
 442
 443                                 if (tvb_reported_length_remaining(tvb, offset) >= tuple_length)
 444                                 {
 445                                         switch (tuple_type)
 446                                         {
 447                                                 case EDP_TUPLE_HOLD:
 448                                                         proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, tuple_length,
 449                                                                 "Hold Time = %d", tvb_get_ntohs(tvb, offset));
 450                                                         break;
 451                                                 case EDP_TUPLE_INT_NAME:
 452                                                         proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, tuple_length,
 453                                                                 "Interface Name = %s", tvb_format_text(tvb, offset, tuple_length));
 454                                                         break;
 455                                                 case EDP_TUPLE_SYS_DESCRIPT:
 456                                                         proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, tuple_length,
 457                                                                 "System Description = %s", tvb_format_text(tvb, offset, tuple_length));
 458                                                         break;
 459                                                 case EDP_TUPLE_IPX_ADDR:
 460                                                         proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, tuple_length,
 461                                                                 "Interface IPX_address = %s",
 462                                                                 ipx_addr_to_str(tvb_get_ntohl(tvb, offset),
 463                                                                 tvb_get_ptr(tvb, offset+4, tuple_length-4)));
 464                                                         break;
 465                                                 case EDP_TUPLE_UNKNOWN:
 466                                                 default:
 467                                                         proto_tree_add_text(edp_tuples_leaf_tree, tvb, offset, tuple_length,
 468                                                                 "Unknown Tuple Data %s", tvb_format_text(tvb, offset, tuple_length));
 469                                                         break;
 470                                         }
 471                                 }
 472                                 offset += tuple_length;
 473
 474                                 tuples_count++;
 475                                 tuple_type = 0;
 476                                 tuple_length = 0;
 477                         }
 478                         if (tuples_count != num_tuples)
 479                         {
 480                                 proto_tree_add_text(ismp_edp_tree, tvb, offset,
 481                                         tvb_reported_length_remaining(tvb, offset), "MALFORMED PACKET");
 482                                 return;
 483                         }
 484                         else
 485                         {
 486                                 return;
 487                         }
 488                 }
 489
 490         }
 491
 492
 493 }
 494
 495
 496 /* Code to actually dissect the packets */
 497 static void
 498 dissect_ismp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 499 {
 500         int offset = 0;
 501         guint16 message_type = 0;
 502         guint8 code_length = 0;
 503         guint8 weird_stuff[3] = { 0x42, 0x42, 0x03 };
 504
 505 /* Set up structures needed to add the protocol subtree and manage it */
 506         proto_item *ti;
 507         proto_tree *ismp_tree;
 508
 509 /* Make entries in Protocol column and Info column on summary display */
 510         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 511                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "ISMP");
 512         if (check_col(pinfo->cinfo, COL_INFO))
 513                 col_clear(pinfo->cinfo, COL_INFO);
 514
 515         /*
 516          * XXX - I've seen captures with packets that have the ISMP
 517          * Ethernet frame type, but with the payload being 0x42 0x42 0x03
 518          * followed by what appears to be an ISMP frame.
 519          *
 520          * 0x4242 is not a valid ISMP version number.
 521          */
 522         if (tvb_memeql(tvb, offset, weird_stuff, sizeof weird_stuff) == 0)
 523                 offset += 3;    /* skip the weird stuff, for now */
 524         if (tree) {
 525                 /* create display subtree for ismp */
 526                 ti = proto_tree_add_item(tree, proto_ismp, tvb, offset, -1, FALSE);
 527
 528                 ismp_tree = proto_item_add_subtree(ti, ett_ismp);
 529
 530                 /* add an items to the subtree */
 531                 proto_tree_add_item(ismp_tree, hf_ismp_version, tvb, offset, 2, FALSE);
 532                 offset += 2;
 533                 message_type = tvb_get_ntohs(tvb, offset);
 534                 proto_tree_add_item(ismp_tree, hf_ismp_message_type, tvb, offset, 2, FALSE);
 535                 offset += 2;
 536                 proto_tree_add_item(ismp_tree, hf_ismp_seq_num, tvb, offset, 2, FALSE);
 537                 offset += 2;
 538                 code_length = tvb_get_guint8(tvb, offset);
 539                 proto_tree_add_item(ismp_tree, hf_ismp_code_length, tvb, offset, 1, FALSE);
 540                 offset += 1;
 541                 proto_tree_add_item(ismp_tree, hf_ismp_auth_data, tvb, offset, code_length, FALSE);
 542                 offset += code_length;
 543
 544                 /* if Enterasys Discover Protocol, dissect it */
 545                 if(message_type == ISMPTYPE_EDP)
 546                         dissect_ismp_edp(tvb, pinfo, offset, ismp_tree);
 547         }
 548
 549 }
 550
 551
 552 /* Register this protocol with Ethereal */
 553 void
 554 proto_register_ismp(void)
 555 {
 556
 557 /* Setup list of header fields  See Section 1.6.1 for details*/
 558         static hf_register_info hf[] = {
 559                 { &hf_ismp_version,
 560                         { "Version",           "ismp.version",
 561                         FT_UINT16, BASE_DEC, NULL, 0x0,
 562                         "", HFILL }
 563                 },
 564                 { &hf_ismp_message_type,
 565                         { "Message Type", "ismp.msgtype",
 566                         FT_UINT16, BASE_DEC, NULL, 0x0,
 567                         "", HFILL }
 568                 },
 569                 { &hf_ismp_seq_num,
 570                         { "Sequence Number", "ismp.seqnum",
 571                         FT_UINT16, BASE_DEC, NULL, 0x0,
 572                         "", HFILL }
 573                 },
 574                 { &hf_ismp_code_length,
 575                         { "Auth Code Length", "ismp.codelen",
 576                         FT_UINT8, BASE_DEC, NULL, 0x0,
 577                         "", HFILL }
 578                 },
 579                 { &hf_ismp_auth_data,
 580                         { "Auth Data", "ismp.authdata",
 581                         FT_BYTES, BASE_HEX, NULL, 0x0,
 582                         "", HFILL }
 583                 },
 584                 { &hf_ismp_edp_version,
 585                         { "Version", "ismp.edp.version",
 586                         FT_UINT16, BASE_DEC, NULL, 0x0,
 587                         "", HFILL }
 588                 },
 589                 { &hf_ismp_edp_module_ip,
 590                         { "Module IP Address", "ismp.edp.modip",
 591                         FT_IPv4, BASE_NONE, NULL, 0x0,
 592                         "", HFILL }
 593                 },
 594                 { &hf_ismp_edp_module_mac,
 595                         { "Module MAC Address", "ismp.edp.modmac",
 596                         FT_ETHER, BASE_NONE, NULL, 0x0,
 597                         "", HFILL }
 598                 },
 599                 { &hf_ismp_edp_module_port,
 600                         { "Module Port (ifIndex num)", "ismp.edp.modport",
 601                         FT_UINT32, BASE_DEC, NULL, 0x0,
 602                         "", HFILL }
 603                 },
 604                 { &hf_ismp_edp_chassis_mac,
 605                         { "Chassis MAC Address", "ismp.edp.chassismac",
 606                         FT_ETHER, BASE_NONE, NULL, 0x0,
 607                         "", HFILL }
 608                 },
 609                 { &hf_ismp_edp_chassis_ip,
 610                         { "Chassis IP Address", "ismp.edp.chassisip",
 611                         FT_IPv4, BASE_NONE, NULL, 0x0,
 612                         "", HFILL }
 613                 },
 614                 { &hf_ismp_edp_device_type,
 615                         { "Device Type", "ismp.edp.devtype",
 616                         FT_UINT16, BASE_DEC, edp_device_types, 0x0,
 617                         "", HFILL }
 618                 },
 619                 { &hf_ismp_edp_module_rev,
 620                         { "Module Firmware Revision", "ismp.edp.rev",
 621                         FT_UINT32, BASE_DEC, NULL, 0x0,
 622                         "", HFILL }
 623                 },
 624                 { &hf_ismp_edp_options,
 625                         { "Device Options", "ismp.edp.opts",
 626                         FT_UINT32, BASE_DEC, NULL, 0x0,
 627                         "", HFILL }
 628                 },
 629                 { &hf_ismp_edp_sfs_option_unused1,
 630                         { "Unused", "ismp.edp.opts",
 631                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UNUSED1,
 632                         "", HFILL }
 633                 },
 634                 { &hf_ismp_edp_sfs_option_sfssup,
 635                         { "SFS Support", "ismp.edp.opts",
 636                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_SFSSUP,
 637                         "", HFILL }
 638                 },
 639                 { &hf_ismp_edp_sfs_option_lsp,
 640                         { "LSP Support", "ismp.edp.opts",
 641                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_LSP,
 642                         "", HFILL }
 643                 },
 644                 { &hf_ismp_edp_sfs_option_flood,
 645                         { "Flood Path Support", "ismp.edp.opts",
 646                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_FLOOD,
 647                         "", HFILL }
 648                 },
 649                 { &hf_ismp_edp_sfs_option_resolve,
 650                         { "Resolve Support", "ismp.edp.opts",
 651                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_RESOLVE,
 652                         "", HFILL }
 653                 },
 654                 { &hf_ismp_edp_sfs_option_unused2,
 655                         { "Unused", "ismp.edp.opts",
 656                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UNUSED2,
 657                         "", HFILL }
 658                 },
 659                 { &hf_ismp_edp_sfs_option_tagflood,
 660                         { "Tagged Flood Support", "ismp.edp.opts",
 661                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_TAGFLOOD,
 662                         "", HFILL }
 663                 },
 664                 { &hf_ismp_edp_sfs_option_calltap,
 665                         { "Call Tap Support", "ismp.edp.opts",
 666                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_CALLTAP,
 667                         "", HFILL }
 668                 },
 669                 { &hf_ismp_edp_sfs_option_conmsg,
 670                         { "Connection Message Support", "ismp.edp.opts",
 671                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_CONMSG,
 672                         "", HFILL }
 673                 },
 674                 { &hf_ismp_edp_sfs_option_redun,
 675                         { "Redundant Access Support", "ismp.edp.opts",
 676                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_REDUN,
 677                         "", HFILL }
 678                 },
 679                 { &hf_ismp_edp_sfs_option_isolated,
 680                         { "Isolated Switch", "ismp.edp.opts",
 681                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_ISOLATED,
 682                         "", HFILL }
 683                 },
 684                 { &hf_ismp_edp_sfs_option_uplink_switch,
 685                         { "Uplink Switch", "ismp.edp.opts",
 686                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UPLINK_SWITCH,
 687                         "", HFILL }
 688                 },
 689                 { &hf_ismp_edp_sfs_option_uplink_core,
 690                         { "Uplink Core", "ismp.edp.opts",
 691                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UPLINK_CORE,
 692                         "", HFILL }
 693                 },
 694                 { &hf_ismp_edp_sfs_option_uplink_port,
 695                         { "Uplink Port", "ismp.edp.opts",
 696                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UPLINK_PORT,
 697                         "", HFILL }
 698                 },
 699                 { &hf_ismp_edp_sfs_option_uplink_flood,
 700                         { "Uplink Flood Support", "ismp.edp.opts",
 701                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SFS_OPTION_UPLINK_FLOOD,
 702                         "", HFILL }
 703                 },
 704                 { &hf_ismp_edp_rtr_option_ssr,
 705                         { "SSR Type Device", "ismp.edp.opts",
 706                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_SSR,
 707                         "", HFILL }
 708                 },
 709                 { &hf_ismp_edp_rtr_option_igmp,
 710                         { "IGMP Active", "ismp.edp.opts",
 711                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_IGMP,
 712                         "", HFILL }
 713                 },
 714                 { &hf_ismp_edp_rtr_option_rip,
 715                         { "RIP Active", "ismp.edp.opts",
 716                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_RIP,
 717                         "", HFILL }
 718                 },
 719                 { &hf_ismp_edp_rtr_option_bgp,
 720                         { "BGP Active", "ismp.edp.opts",
 721                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_BGP,
 722                         "", HFILL }
 723                 },
 724                 { &hf_ismp_edp_rtr_option_ospf,
 725                         { "OSPF Active", "ismp.edp.opts",
 726                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_OSPF,
 727                         "", HFILL }
 728                 },
 729                 { &hf_ismp_edp_rtr_option_dvmrp,
 730                         { "DVMRP Active", "ismp.edp.opts",
 731                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_DVMRP,
 732                         "", HFILL }
 733                 },
 734                 { &hf_ismp_edp_rtr_option_8021q,
 735                         { "802.1Q Support", "ismp.edp.opts",
 736                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_8021Q,
 737                         "", HFILL }
 738                 },
 739                 { &hf_ismp_edp_rtr_option_gvrp,
 740                         { "GVRP Support", "ismp.edp.opts",
 741                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_GVRP,
 742                         "", HFILL }
 743                 },
 744                 { &hf_ismp_edp_rtr_option_gmrp,
 745                         { "GMRP Support", "ismp.edp.opts",
 746                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_GMRP,
 747                         "", HFILL }
 748                 },
 749                 { &hf_ismp_edp_rtr_option_igmp_snoop,
 750                         { "IGMP Snooping Support", "ismp.edp.opts",
 751                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_IGMP_SNOOP,
 752                         "", HFILL }
 753                 },
 754                 { &hf_ismp_edp_rtr_option_route,
 755                         { "Route Bridging", "ismp.edp.opts",
 756                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_ROUTE,
 757                         "", HFILL }
 758                 },
 759                 { &hf_ismp_edp_rtr_option_trans,
 760                         { "Transparent Bridging", "ismp.edp.opts",
 761                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_TRANS,
 762                         "", HFILL }
 763                 },
 764                 { &hf_ismp_edp_rtr_option_level1,
 765                         { "Level 1 Functionality", "ismp.edp.opts",
 766                         FT_BOOLEAN, 32, TFS(&is_set), EDP_RTR_OPTION_LEVEL1,
 767                         "", HFILL }
 768                 },
 769                 { &hf_ismp_edp_switch_option_8021q,
 770                         { "802.1Q Support", "ismp.edp.opts",
 771                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_8021Q,
 772                         "", HFILL }
 773                 },
 774                 { &hf_ismp_edp_switch_option_gvrp,
 775                         { "GVRP Support", "ismp.edp.opts",
 776                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_GVRP,
 777                         "", HFILL }
 778                 },
 779                 { &hf_ismp_edp_switch_option_gmrp,
 780                         { "GMRP Support", "ismp.edp.opts",
 781                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_GMRP,
 782                         "", HFILL }
 783                 },
 784                 { &hf_ismp_edp_switch_option_igmp,
 785                         { "IGMP Snooping Support", "ismp.edp.opts",
 786                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_IGMP,
 787                         "", HFILL }
 788                 },
 789                 { &hf_ismp_edp_switch_option_route,
 790                         { "Route Bridging", "ismp.edp.opts",
 791                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_ROUTE,
 792                         "", HFILL }
 793                 },
 794                 { &hf_ismp_edp_switch_option_trans,
 795                         { "Transparent Bridging", "ismp.edp.opts",
 796                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_TRANS,
 797                         "", HFILL }
 798                 },
 799                 { &hf_ismp_edp_switch_option_level1,
 800                         { "Level 1 Functionality", "ismp.edp.opts",
 801                         FT_BOOLEAN, 32, TFS(&is_set), EDP_SWITCH_OPTION_LEVEL1,
 802                         "", HFILL }
 803                 },
 804                 { &hf_ismp_edp_end_station_option_dhcp,
 805                         { "DHCP Enabled", "ismp.edp.opts",
 806                         FT_BOOLEAN, 32, TFS(&is_set), EDP_END_STATION_OPTION_DHCP,
 807                         "", HFILL }
 808                 },
 809                 { &hf_ismp_edp_end_station_option_dns,
 810                         { "DNS Enabled", "ismp.edp.opts",
 811                         FT_BOOLEAN, 32, TFS(&is_set), EDP_END_STATION_OPTION_DNS,
 812                         "", HFILL }
 813                 },
 814                 { &hf_ismp_edp_end_station_option_ad,
 815                         { "Active Directory Enabled", "ismp.edp.opts",
 816                         FT_BOOLEAN, 32, TFS(&is_set), EDP_END_STATION_OPTION_AD,
 817                         "", HFILL }
 818                 },
 819                 { &hf_ismp_edp_num_neighbors,
 820                         { "Number of Known Neighbors", "ismp.edp.maccount",
 821                         FT_UINT16, BASE_DEC, NULL, 0x0,
 822                         "", HFILL }
 823                 },
 824                 { &hf_ismp_edp_neighbors,
 825                         { "Neighbors", "ismp.edp.nbrs",
 826                         FT_BYTES, BASE_NONE, NULL, 0x0,
 827                         "", HFILL }
 828                 },
 829                 { &hf_ismp_edp_num_tuples,
 830                         { "Number of Tuples", "ismp.edp.numtups",
 831                         FT_UINT16, BASE_DEC, NULL, 0x0,
 832                         "", HFILL }
 833                 },
 834                 { &hf_ismp_edp_tuples,
 835                         { "Number of Tuples", "ismp.edp.tups",
 836                         FT_BYTES, BASE_NONE, NULL, 0x0,
 837                         "", HFILL }
 838                 },
 839         };
 840
 841 /* Setup protocol subtree array */
 842         static gint *ett[] = {
 843                 &ett_ismp,
 844                 &ett_ismp_edp,
 845                 &ett_ismp_edp_options,
 846                 &ett_ismp_edp_neighbors,
 847                 &ett_ismp_edp_neighbors_leaf,
 848                 &ett_ismp_edp_tuples,
 849                 &ett_ismp_edp_tuples_leaf,
 850         };
 851
 852 /* Register the protocol name and description */
 853         proto_ismp = proto_register_protocol("InterSwitch Message Protocol",
 854             "ISMP", "ismp");
 855
 856 /* Required function calls to register the header fields and subtrees used */
 857         proto_register_field_array(proto_ismp, hf, array_length(hf));
 858         proto_register_subtree_array(ett, array_length(ett));
 859 }
 860
 861
 862 /* If this dissector uses sub-dissector registration add a registration routine.
 863    This format is required because a script is used to find these routines and
 864    create the code that calls these routines.
 865 */
 866 void
 867 proto_reg_handoff_ismp(void)
 868 {
 869         dissector_handle_t ismp_handle;
 870
 871         ismp_handle = create_dissector_handle(dissect_ismp,
 872             proto_ismp);
 873         dissector_add("ethertype", ETHERTYPE_ISMP, ismp_handle);
 874 }