epan/dissectors/packet-tns.c

   1 /* packet-tns.c
   2  * Routines for Oracle TNS packet dissection
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * Copied from packet-tftp.c
  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
  33 #include <string.h>
  34 #include <glib.h>
  35 #include <epan/packet.h>
  36 #include "packet-tcp.h"
  37 #include "packet-tns.h"
  38
  39 #include <epan/prefs.h>
  40
  41 /* desegmentation of TNS over TCP */
  42 static gboolean tns_desegment = TRUE;
  43
  44 static int proto_tns = -1;
  45 static int hf_tns_request = -1;
  46 static int hf_tns_response = -1;
  47 static int hf_tns_length = -1;
  48 static int hf_tns_packet_checksum = -1;
  49 static int hf_tns_header_checksum = -1;
  50 static int hf_tns_packet_type = -1;
  51 static int hf_tns_reserved_byte = -1;
  52 static int hf_tns_connect = -1;
  53 static int hf_tns_version = -1;
  54 static int hf_tns_compat_version = -1;
  55
  56 static int hf_tns_service_options = -1;
  57 static int hf_tns_sopt_flag_bconn = -1;
  58 static int hf_tns_sopt_flag_pc = -1;
  59 static int hf_tns_sopt_flag_hc = -1;
  60 static int hf_tns_sopt_flag_fd = -1;
  61 static int hf_tns_sopt_flag_hd = -1;
  62 static int hf_tns_sopt_flag_dc1 = -1;
  63 static int hf_tns_sopt_flag_dc2 = -1;
  64 static int hf_tns_sopt_flag_dio = -1;
  65 static int hf_tns_sopt_flag_ap = -1;
  66 static int hf_tns_sopt_flag_ra = -1;
  67 static int hf_tns_sopt_flag_sa = -1;
  68
  69 static int hf_tns_sdu_size = -1;
  70 static int hf_tns_max_tdu_size = -1;
  71
  72 static int hf_tns_nt_proto_characteristics = -1;
  73 static int hf_tns_ntp_flag_hangon = -1;
  74 static int hf_tns_ntp_flag_crel = -1;
  75 static int hf_tns_ntp_flag_tduio = -1;
  76 static int hf_tns_ntp_flag_srun = -1;
  77 static int hf_tns_ntp_flag_dtest = -1;
  78 static int hf_tns_ntp_flag_cbio = -1;
  79 static int hf_tns_ntp_flag_asio = -1;
  80 static int hf_tns_ntp_flag_pio = -1;
  81 static int hf_tns_ntp_flag_grant = -1;
  82 static int hf_tns_ntp_flag_handoff = -1;
  83 static int hf_tns_ntp_flag_sigio = -1;
  84 static int hf_tns_ntp_flag_sigpipe = -1;
  85 static int hf_tns_ntp_flag_sigurg = -1;
  86 static int hf_tns_ntp_flag_urgentio = -1;
  87 static int hf_tns_ntp_flag_fdio = -1;
  88 static int hf_tns_ntp_flag_testop = -1;
  89
  90 static int hf_tns_line_turnaround = -1;
  91 static int hf_tns_value_of_one = -1;
  92 static int hf_tns_connect_data_length = -1;
  93 static int hf_tns_connect_data_offset = -1;
  94 static int hf_tns_connect_data_max = -1;
  95
  96 static int hf_tns_connect_flags0 = -1;
  97 static int hf_tns_connect_flags1 = -1;
  98 static int hf_tns_conn_flag_nareq = -1;
  99 static int hf_tns_conn_flag_nalink = -1;
 100 static int hf_tns_conn_flag_enablena = -1;
 101 static int hf_tns_conn_flag_ichg = -1;
 102 static int hf_tns_conn_flag_wantna = -1;
 103
 104 static int hf_tns_connect_data = -1;
 105 static int hf_tns_trace_cf1 = -1;
 106 static int hf_tns_trace_cf2 = -1;
 107 static int hf_tns_trace_cid = -1;
 108
 109 static int hf_tns_accept = -1;
 110 static int hf_tns_accept_data_length = -1;
 111 static int hf_tns_accept_data_offset = -1;
 112 static int hf_tns_accept_data = -1;
 113
 114 static int hf_tns_refuse = -1;
 115 static int hf_tns_refuse_reason_user = -1;
 116 static int hf_tns_refuse_reason_system = -1;
 117 static int hf_tns_refuse_data_length = -1;
 118 static int hf_tns_refuse_data = -1;
 119
 120 static int hf_tns_abort = -1;
 121 static int hf_tns_abort_reason_user = -1;
 122 static int hf_tns_abort_reason_system = -1;
 123 static int hf_tns_abort_data = -1;
 124
 125 static int hf_tns_marker = -1;
 126 static int hf_tns_marker_type = -1;
 127 static int hf_tns_marker_data_byte = -1;
 128 static int hf_tns_marker_data = -1;
 129
 130 static int hf_tns_redirect = -1;
 131 static int hf_tns_redirect_data_length = -1;
 132 static int hf_tns_redirect_data = -1;
 133
 134 static int hf_tns_control = -1;
 135 static int hf_tns_control_cmd = -1;
 136 static int hf_tns_control_data = -1;
 137
 138 static int hf_tns_data_flag = -1;
 139 static int hf_tns_data_flag_send = -1;
 140 static int hf_tns_data_flag_rc = -1;
 141 static int hf_tns_data_flag_c = -1;
 142 static int hf_tns_data_flag_reserved = -1;
 143 static int hf_tns_data_flag_more = -1;
 144 static int hf_tns_data_flag_eof = -1;
 145 static int hf_tns_data_flag_dic = -1;
 146 static int hf_tns_data_flag_rts = -1;
 147 static int hf_tns_data_flag_sntt = -1;
 148 static int hf_tns_data = -1;
 149
 150 static gint ett_tns = -1;
 151 static gint ett_tns_connect = -1;
 152 static gint ett_tns_accept = -1;
 153 static gint ett_tns_refuse = -1;
 154 static gint ett_tns_abort = -1;
 155 static gint ett_tns_redirect = -1;
 156 static gint ett_tns_marker = -1;
 157 static gint ett_tns_attention = -1;
 158 static gint ett_tns_control = -1;
 159 static gint ett_tns_data = -1;
 160 static gint ett_tns_data_flag = -1;
 161 static gint ett_tns_sopt_flag = -1;
 162 static gint ett_tns_ntp_flag = -1;
 163 static gint ett_tns_conn_flag = -1;
 164 static gint ett_sql = -1;
 165
 166 static dissector_handle_t data_handle;
 167
 168 #define TCP_PORT_TNS                    1521
 169
 170 static const value_string tns_type_vals[] = {
 171         {TNS_TYPE_CONNECT,   "Connect" },
 172         {TNS_TYPE_ACCEPT,    "Accept" },
 173         {TNS_TYPE_ACK,       "Acknowledge" },
 174         {TNS_TYPE_REFUSE,    "Refuse" },
 175         {TNS_TYPE_REDIRECT,  "Redirect" },
 176         {TNS_TYPE_DATA,      "Data" },
 177         {TNS_TYPE_NULL,      "Null" },
 178         {TNS_TYPE_ABORT,     "Abort" },
 179         {TNS_TYPE_RESEND,    "Resend"},
 180         {TNS_TYPE_MARKER,    "Marker"},
 181         {TNS_TYPE_ATTENTION, "Attention"},
 182         {TNS_TYPE_CONTROL,   "Control"},
 183         {0, NULL}
 184 };
 185
 186 static const value_string tns_marker_types[] = {
 187         {0, "Data Marker - 0 Data Bytes"},
 188         {1, "Data Marker - 1 Data Bytes"},
 189         {2, "Attention Marker"},
 190         {0, NULL}
 191 };
 192
 193 static const value_string tns_control_cmds[] = {
 194         {1, "Oracle Trace Command"},
 195         {0, NULL}
 196 };
 197
 198 void proto_reg_handoff_tns(void);
 199 static guint get_tns_pdu_len(packet_info *pinfo, tvbuff_t *tvb, int offset);
 200 static void dissect_tns_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 201
 202 static void dissect_tns_service_options(tvbuff_t *tvb, int offset,
 203         proto_tree *sopt_tree)
 204 {
 205
 206         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_bconn, tvb,
 207                         offset, 2, FALSE);
 208         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_pc, tvb,
 209                         offset, 2, FALSE);
 210         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_hc, tvb,
 211                         offset, 2, FALSE);
 212         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_fd, tvb,
 213                         offset, 2, FALSE);
 214         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_hd, tvb,
 215                         offset, 2, FALSE);
 216         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_dc1, tvb,
 217                         offset, 2, FALSE);
 218         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_dc2, tvb,
 219                         offset, 2, FALSE);
 220         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_dio, tvb,
 221                         offset, 2, FALSE);
 222         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_ap, tvb,
 223                         offset, 2, FALSE);
 224         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_ra, tvb,
 225                         offset, 2, FALSE);
 226         proto_tree_add_item(sopt_tree, hf_tns_sopt_flag_sa, tvb,
 227                         offset, 2, FALSE);
 228
 229 }
 230
 231 static void dissect_tns_connect_flag(tvbuff_t *tvb, int offset,
 232         proto_tree *cflag_tree)
 233 {
 234
 235         proto_tree_add_item(cflag_tree, hf_tns_conn_flag_nareq, tvb, offset, 1, FALSE);
 236         proto_tree_add_item(cflag_tree, hf_tns_conn_flag_nalink, tvb, offset, 1, FALSE);
 237         proto_tree_add_item(cflag_tree, hf_tns_conn_flag_enablena, tvb, offset, 1, FALSE);
 238         proto_tree_add_item(cflag_tree, hf_tns_conn_flag_ichg, tvb, offset, 1, FALSE);
 239         proto_tree_add_item(cflag_tree, hf_tns_conn_flag_wantna, tvb, offset, 1, FALSE);
 240 }
 241
 242 static void dissect_tns_data(tvbuff_t *tvb, int offset, packet_info *pinfo,
 243         proto_tree *tree, proto_tree *tns_tree)
 244 {
 245         proto_tree *data_tree = NULL, *ti;
 246         proto_item *hidden_item;
 247         int is_sns = 0;
 248
 249         if ( tvb_bytes_exist(tvb, offset+2, 4) )
 250         {
 251                 if ( tvb_get_guint8(tvb, offset+2) == 0xDE &&
 252                      tvb_get_guint8(tvb, offset+3) == 0xAD &&
 253                      tvb_get_guint8(tvb, offset+4) == 0xBE &&
 254                      tvb_get_guint8(tvb, offset+5) == 0xEF )
 255                 {
 256                         is_sns = 1;
 257                 }
 258         }
 259
 260         if ( tree )
 261         {
 262                 if ( is_sns )
 263                 {
 264                         ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 265                             "Secure Network Services");
 266                 }
 267                 else
 268                 {
 269                         ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 270                             "Data");
 271                 }
 272                 data_tree = proto_item_add_subtree(ti, ett_tns_data);
 273
 274                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_data, tvb, 0, 0,
 275                                         TRUE);
 276                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 277         }
 278
 279         if ( tree )
 280         {
 281                 proto_tree *df_tree = NULL;
 282
 283                 ti = proto_tree_add_item(data_tree, hf_tns_data_flag, tvb, offset, 2, FALSE);
 284
 285                 df_tree = proto_item_add_subtree(ti, ett_tns_data_flag);
 286                 proto_tree_add_item(df_tree, hf_tns_data_flag_send, tvb, offset, 2, FALSE);
 287                 proto_tree_add_item(df_tree, hf_tns_data_flag_rc, tvb, offset, 2, FALSE);
 288                 proto_tree_add_item(df_tree, hf_tns_data_flag_c, tvb, offset, 2, FALSE);
 289                 proto_tree_add_item(df_tree, hf_tns_data_flag_reserved, tvb, offset, 2, FALSE);
 290                 proto_tree_add_item(df_tree, hf_tns_data_flag_more, tvb, offset, 2, FALSE);
 291                 proto_tree_add_item(df_tree, hf_tns_data_flag_eof, tvb, offset, 2, FALSE);
 292                 proto_tree_add_item(df_tree, hf_tns_data_flag_dic, tvb, offset, 2, FALSE);
 293                 proto_tree_add_item(df_tree, hf_tns_data_flag_rts, tvb, offset, 2, FALSE);
 294                 proto_tree_add_item(df_tree, hf_tns_data_flag_sntt, tvb, offset, 2, FALSE);
 295         }
 296         offset += 2;
 297
 298         if ( check_col(pinfo->cinfo, COL_INFO) )
 299         {
 300                 if ( is_sns )
 301                 {
 302                         col_append_str(pinfo->cinfo, COL_INFO, ", SNS");
 303                 }
 304                 else
 305                 {
 306                         col_append_str(pinfo->cinfo, COL_INFO, ", Data");
 307                 }
 308         }
 309
 310         if ( data_tree )
 311         {
 312                 call_dissector(data_handle,
 313                     tvb_new_subset_remaining(tvb, offset), pinfo, data_tree);
 314         }
 315
 316         return;
 317 }
 318
 319 static void dissect_tns_connect(tvbuff_t *tvb, int offset, packet_info *pinfo,
 320         proto_tree *tree, proto_tree *tns_tree)
 321 {
 322         proto_tree *connect_tree = NULL, *ti;
 323         proto_item *hidden_item;
 324         int cd_offset;
 325         int cd_len;
 326         int tns_offset = offset-8;
 327
 328         if ( tree )
 329         {
 330                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 331                     "Connect");
 332                 connect_tree = proto_item_add_subtree(ti, ett_tns_connect);
 333
 334                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_connect, tvb,
 335                                     0, 0, TRUE);
 336                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 337         }
 338
 339         col_append_str(pinfo->cinfo, COL_INFO, ", Connect");
 340
 341         if ( connect_tree )
 342         {
 343                 proto_tree_add_item(connect_tree, hf_tns_version, tvb,
 344                         offset, 2, FALSE);
 345         }
 346         offset += 2;
 347
 348         if ( connect_tree )
 349         {
 350                 proto_tree_add_item(connect_tree, hf_tns_compat_version, tvb,
 351                         offset, 2, FALSE);
 352         }
 353         offset += 2;
 354
 355         if ( connect_tree )
 356         {
 357                 proto_tree *sopt_tree = NULL;
 358
 359                 ti = proto_tree_add_item(connect_tree, hf_tns_service_options, tvb,
 360                         offset, 2, FALSE);
 361
 362                 sopt_tree = proto_item_add_subtree(ti, ett_tns_sopt_flag);
 363
 364                 dissect_tns_service_options(tvb, offset, sopt_tree);
 365
 366
 367         }
 368         offset += 2;
 369
 370         if ( connect_tree )
 371         {
 372                 proto_tree_add_item(connect_tree, hf_tns_sdu_size, tvb,
 373                         offset, 2, FALSE);
 374         }
 375         offset += 2;
 376
 377         if ( connect_tree )
 378         {
 379                 proto_tree_add_item(connect_tree, hf_tns_max_tdu_size, tvb,
 380                         offset, 2, FALSE);
 381         }
 382         offset += 2;
 383
 384         if ( connect_tree )
 385         {
 386                 proto_tree *ntp_tree = NULL;
 387
 388                 ti = proto_tree_add_item(connect_tree, hf_tns_nt_proto_characteristics, tvb,
 389                         offset, 2, FALSE);
 390
 391                 ntp_tree = proto_item_add_subtree(ti, ett_tns_ntp_flag);
 392
 393                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_hangon, tvb, offset, 2, FALSE);
 394                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_crel, tvb, offset, 2, FALSE);
 395                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_tduio, tvb, offset, 2, FALSE);
 396                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_srun, tvb, offset, 2, FALSE);
 397                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_dtest, tvb, offset, 2, FALSE);
 398                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_cbio, tvb, offset, 2, FALSE);
 399                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_asio, tvb, offset, 2, FALSE);
 400                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_pio, tvb, offset, 2, FALSE);
 401                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_grant, tvb, offset, 2, FALSE);
 402                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_handoff, tvb, offset, 2, FALSE);
 403                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_sigio, tvb, offset, 2, FALSE);
 404                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_sigpipe, tvb, offset, 2, FALSE);
 405                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_sigurg, tvb, offset, 2, FALSE);
 406                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_urgentio, tvb, offset, 2, FALSE);
 407                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_fdio, tvb, offset, 2, FALSE);
 408                 proto_tree_add_item(ntp_tree, hf_tns_ntp_flag_testop, tvb, offset, 2, FALSE);
 409         }
 410         offset += 2;
 411
 412         if ( connect_tree )
 413         {
 414                 proto_tree_add_item(connect_tree, hf_tns_line_turnaround, tvb,
 415                         offset, 2, FALSE);
 416         }
 417         offset += 2;
 418
 419         if ( connect_tree )
 420         {
 421                 proto_tree_add_item(connect_tree, hf_tns_value_of_one, tvb,
 422                         offset, 2, FALSE);
 423         }
 424         offset += 2;
 425
 426         cd_len = tvb_get_ntohs(tvb, offset);
 427         if ( connect_tree )
 428         {
 429                 proto_tree_add_uint(connect_tree, hf_tns_connect_data_length, tvb,
 430                         offset, 2, cd_len);
 431         }
 432         offset += 2;
 433
 434         cd_offset = tvb_get_ntohs(tvb, offset);
 435         if ( connect_tree )
 436         {
 437                 proto_tree_add_uint(connect_tree, hf_tns_connect_data_offset, tvb,
 438                         offset, 2, cd_offset);
 439         }
 440         offset += 2;
 441
 442         if ( connect_tree )
 443         {
 444                 proto_tree_add_item(connect_tree, hf_tns_connect_data_max, tvb,
 445                         offset, 4, FALSE);
 446         }
 447         offset += 4;
 448
 449         if ( connect_tree )
 450         {
 451                 proto_tree *cflag_tree = NULL;
 452
 453                 ti = proto_tree_add_item(connect_tree, hf_tns_connect_flags0, tvb,
 454                         offset, 1, FALSE);
 455
 456                 cflag_tree = proto_item_add_subtree(ti, ett_tns_conn_flag);
 457
 458                 dissect_tns_connect_flag(tvb, offset, cflag_tree);
 459         }
 460         offset += 1;
 461
 462         if ( connect_tree )
 463         {
 464                 proto_tree *cflag_tree = NULL;
 465
 466                 ti = proto_tree_add_item(connect_tree, hf_tns_connect_flags1, tvb,
 467                         offset, 1, FALSE);
 468
 469                 cflag_tree = proto_item_add_subtree(ti, ett_tns_conn_flag);
 470
 471                 dissect_tns_connect_flag(tvb, offset, cflag_tree);
 472         }
 473         offset += 1;
 474
 475         /*
 476          * XXX - sometimes it appears that this stuff isn't present
 477          * in the packet.
 478          */
 479         if (offset + 16 <= tns_offset+cd_offset)
 480         {
 481                 if ( connect_tree )
 482                 {
 483                         proto_tree_add_item(connect_tree, hf_tns_trace_cf1, tvb,
 484                                 offset, 4, FALSE);
 485                 }
 486                 offset += 4;
 487
 488                 if ( connect_tree )
 489                 {
 490                         proto_tree_add_item(connect_tree, hf_tns_trace_cf2, tvb,
 491                                 offset, 4, FALSE);
 492                 }
 493                 offset += 4;
 494
 495                 if ( connect_tree )
 496                 {
 497                         proto_tree_add_item(connect_tree, hf_tns_trace_cid, tvb,
 498                                 offset, 8, FALSE);
 499                 }
 500                 offset += 8;
 501         }
 502
 503         if ( connect_tree && cd_len > 0)
 504         {
 505                 proto_tree_add_item(connect_tree, hf_tns_connect_data, tvb,
 506                         tns_offset+cd_offset, -1, FALSE);
 507         }
 508         return;
 509 }
 510
 511 static void dissect_tns_accept(tvbuff_t *tvb, int offset, packet_info *pinfo,
 512         proto_tree *tree, proto_tree *tns_tree)
 513 {
 514         proto_tree *accept_tree = NULL, *ti;
 515         proto_item *hidden_item;
 516         int accept_offset;
 517         int accept_len;
 518         int tns_offset = offset-8;
 519
 520         if ( tree )
 521         {
 522                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 523                     "Accept");
 524                 accept_tree = proto_item_add_subtree(ti, ett_tns_accept);
 525
 526                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_accept, tvb,
 527                                     0, 0, TRUE);
 528                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 529         }
 530
 531         col_append_str(pinfo->cinfo, COL_INFO, ", Accept");
 532
 533         if ( accept_tree )
 534         {
 535                 proto_tree_add_item(accept_tree, hf_tns_version, tvb,
 536                         offset, 2, FALSE);
 537         }
 538         offset += 2;
 539
 540         if ( accept_tree )
 541         {
 542                 proto_tree *sopt_tree = NULL;
 543
 544                 ti = proto_tree_add_item(accept_tree, hf_tns_service_options,
 545                         tvb, offset, 2, FALSE);
 546
 547                 sopt_tree = proto_item_add_subtree(ti, ett_tns_sopt_flag);
 548
 549                 dissect_tns_service_options(tvb, offset, sopt_tree);
 550
 551         }
 552         offset += 2;
 553
 554         if ( accept_tree )
 555         {
 556                 proto_tree_add_item(accept_tree, hf_tns_sdu_size, tvb,
 557                         offset, 2, FALSE);
 558         }
 559         offset += 2;
 560
 561         if ( accept_tree )
 562         {
 563                 proto_tree_add_item(accept_tree, hf_tns_max_tdu_size, tvb,
 564                         offset, 2, FALSE);
 565         }
 566         offset += 2;
 567
 568         if ( accept_tree )
 569         {
 570                 proto_tree_add_item(accept_tree, hf_tns_value_of_one, tvb,
 571                         offset, 2, FALSE);
 572         }
 573         offset += 2;
 574
 575         accept_len = tvb_get_ntohs(tvb, offset);
 576         if ( accept_tree )
 577         {
 578                 proto_tree_add_uint(accept_tree, hf_tns_accept_data_length, tvb,
 579                         offset, 2, accept_len);
 580         }
 581         offset += 2;
 582
 583         accept_offset = tvb_get_ntohs(tvb, offset);
 584         if ( accept_tree )
 585         {
 586                 proto_tree_add_uint(accept_tree, hf_tns_accept_data_offset, tvb,
 587                         offset, 2, accept_offset);
 588         }
 589         offset += 2;
 590
 591         if ( accept_tree )
 592         {
 593                 proto_tree *cflag_tree = NULL;
 594
 595                 ti = proto_tree_add_item(accept_tree, hf_tns_connect_flags0, tvb,
 596                         offset, 1, FALSE);
 597
 598                 cflag_tree = proto_item_add_subtree(ti, ett_tns_conn_flag);
 599
 600                 dissect_tns_connect_flag(tvb, offset, cflag_tree);
 601
 602         }
 603         offset += 1;
 604
 605         if ( accept_tree )
 606         {
 607                 proto_tree *cflag_tree = NULL;
 608
 609                 ti = proto_tree_add_item(accept_tree, hf_tns_connect_flags1, tvb,
 610                         offset, 1, FALSE);
 611
 612                 cflag_tree = proto_item_add_subtree(ti, ett_tns_conn_flag);
 613
 614                 dissect_tns_connect_flag(tvb, offset, cflag_tree);
 615
 616         }
 617         offset += 1;
 618
 619         if ( accept_tree && accept_len > 0)
 620         {
 621                 proto_tree_add_item(accept_tree, hf_tns_accept_data, tvb,
 622                         tns_offset+accept_offset, -1, FALSE);
 623         }
 624         return;
 625 }
 626
 627
 628 static void dissect_tns_refuse(tvbuff_t *tvb, int offset, packet_info *pinfo,
 629         proto_tree *tree, proto_tree *tns_tree)
 630 {
 631         proto_tree *refuse_tree = NULL, *ti;
 632         proto_item *hidden_item;
 633
 634         if ( tree )
 635         {
 636                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 637                     "Refuse");
 638                 refuse_tree = proto_item_add_subtree(ti, ett_tns_refuse);
 639
 640                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_refuse, tvb,
 641                                     0, 0, TRUE);
 642                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 643         }
 644
 645         col_append_str(pinfo->cinfo, COL_INFO, ", Refuse");
 646
 647         if ( refuse_tree )
 648         {
 649                 proto_tree_add_item(refuse_tree, hf_tns_refuse_reason_user, tvb,
 650                         offset, 1, FALSE);
 651         }
 652         offset += 1;
 653
 654         if ( refuse_tree )
 655         {
 656                 proto_tree_add_item(refuse_tree, hf_tns_refuse_reason_system, tvb,
 657                         offset, 1, FALSE);
 658         }
 659         offset += 1;
 660
 661         if ( refuse_tree )
 662         {
 663                 proto_tree_add_item(refuse_tree, hf_tns_refuse_data_length, tvb,
 664                         offset, 2, FALSE);
 665         }
 666         offset += 2;
 667
 668         if ( refuse_tree )
 669         {
 670                 proto_tree_add_item(refuse_tree, hf_tns_refuse_data, tvb,
 671                         offset, -1, FALSE);
 672         }
 673         return;
 674 }
 675
 676
 677 static void dissect_tns_abort(tvbuff_t *tvb, int offset, packet_info *pinfo,
 678         proto_tree *tree, proto_tree *tns_tree)
 679 {
 680         proto_tree *abort_tree = NULL, *ti;
 681         proto_item *hidden_item;
 682
 683         if ( tree )
 684         {
 685                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 686                     "Abort");
 687                 abort_tree = proto_item_add_subtree(ti, ett_tns_abort);
 688
 689                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_abort, tvb,
 690                                     0, 0, TRUE);
 691                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 692         }
 693
 694         col_append_str(pinfo->cinfo, COL_INFO, ", Abort");
 695
 696         if ( abort_tree )
 697         {
 698                 proto_tree_add_item(abort_tree, hf_tns_abort_reason_user, tvb,
 699                         offset, 1, FALSE);
 700         }
 701         offset += 1;
 702
 703         if ( abort_tree )
 704         {
 705                 proto_tree_add_item(abort_tree, hf_tns_abort_reason_system, tvb,
 706                         offset, 1, FALSE);
 707         }
 708         offset += 1;
 709
 710         if ( abort_tree )
 711         {
 712                 proto_tree_add_item(abort_tree, hf_tns_abort_data, tvb,
 713                         offset, -1, FALSE);
 714         }
 715         return;
 716 }
 717
 718
 719 static void dissect_tns_marker(tvbuff_t *tvb, int offset, packet_info *pinfo,
 720         proto_tree *tree, proto_tree *tns_tree, int is_attention)
 721 {
 722         proto_tree *marker_tree = NULL, *ti;
 723         proto_item *hidden_item;
 724
 725         if ( tree )
 726         {
 727                 if ( is_attention )
 728                 {
 729                         ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 730                             "Marker");
 731                 }
 732                 else
 733                 {
 734                         ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 735                             "Attention");
 736                 }
 737
 738                 marker_tree = proto_item_add_subtree(ti, ett_tns_marker);
 739                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_marker, tvb,
 740                                     0, 0, TRUE);
 741                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 742         }
 743
 744         if ( check_col(pinfo->cinfo, COL_INFO) )
 745         {
 746                 if ( is_attention )
 747                 {
 748                         col_append_str(pinfo->cinfo, COL_INFO, ", Marker");
 749                 }
 750                 else
 751                 {
 752                         col_append_str(pinfo->cinfo, COL_INFO, ", Attention");
 753                 }
 754         }
 755
 756         if ( marker_tree )
 757         {
 758                 proto_tree_add_item(marker_tree, hf_tns_marker_type, tvb,
 759                         offset, 1, FALSE);
 760         }
 761         offset += 1;
 762
 763         if ( marker_tree )
 764         {
 765                 proto_tree_add_item(marker_tree, hf_tns_marker_data_byte, tvb,
 766                         offset, 1, FALSE);
 767         }
 768         offset += 1;
 769
 770         if ( marker_tree )
 771         {
 772                 proto_tree_add_item(marker_tree, hf_tns_marker_data_byte, tvb,
 773                         offset, 1, FALSE);
 774         }
 775         offset += 1;
 776
 777         return;
 778 }
 779
 780 static void dissect_tns_redirect(tvbuff_t *tvb, int offset, packet_info *pinfo,
 781         proto_tree *tree, proto_tree *tns_tree)
 782 {
 783         proto_tree *redirect_tree = NULL, *ti;
 784         proto_item *hidden_item;
 785
 786         if ( tree )
 787         {
 788                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 789                     "Redirect");
 790                 redirect_tree = proto_item_add_subtree(ti, ett_tns_redirect);
 791
 792                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_redirect, tvb,
 793                                     0, 0, TRUE);
 794                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 795         }
 796
 797         col_append_str(pinfo->cinfo, COL_INFO, ", Redirect");
 798
 799         if ( redirect_tree )
 800         {
 801                 proto_tree_add_item(redirect_tree, hf_tns_redirect_data_length, tvb,
 802                         offset, 2, FALSE);
 803         }
 804         offset += 2;
 805
 806         if ( redirect_tree )
 807         {
 808                 proto_tree_add_item(redirect_tree, hf_tns_redirect_data, tvb,
 809                         offset, -1, FALSE);
 810         }
 811         return;
 812 }
 813
 814 static void dissect_tns_control(tvbuff_t *tvb, int offset, packet_info *pinfo,
 815         proto_tree *tree, proto_tree *tns_tree)
 816 {
 817         proto_tree *control_tree = NULL, *ti;
 818         proto_item *hidden_item;
 819
 820         if ( tree )
 821         {
 822                 ti = proto_tree_add_text(tns_tree, tvb, offset, -1,
 823                     "Control");
 824                 control_tree = proto_item_add_subtree(ti, ett_tns_control);
 825
 826                 hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_control, tvb,
 827                                     0, 0, TRUE);
 828                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 829         }
 830
 831         col_append_str(pinfo->cinfo, COL_INFO, ", Control");
 832
 833         if ( control_tree )
 834         {
 835                 proto_tree_add_item(control_tree, hf_tns_control_cmd, tvb,
 836                         offset, 2, FALSE);
 837         }
 838         offset += 2;
 839
 840         if ( control_tree )
 841         {
 842                 proto_tree_add_item(control_tree, hf_tns_control_data, tvb,
 843                         offset, -1, FALSE);
 844         }
 845         return;
 846 }
 847
 848 static guint
 849 get_tns_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
 850 {
 851         /*
 852          * Get the length of the TNS message, including header
 853          */
 854         return tvb_get_ntohs(tvb, offset);
 855 }
 856
 857 static int
 858 dissect_tns(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 859 {
 860         guint8 type;
 861
 862         /*
 863          * First, do a sanity check to make sure what we have
 864          * starts with a TNS PDU.
 865          */
 866         if (tvb_bytes_exist(tvb, 4, 1)) {
 867                 /*
 868                  * Well, we have the packet type; let's make sure
 869                  * it's a known type.
 870                  */
 871                 type = tvb_get_guint8(tvb, 4);
 872                 if (type < TNS_TYPE_CONNECT || type > TNS_TYPE_MAX)
 873                         return 0;       /* it's not a known type */
 874         }
 875
 876         tcp_dissect_pdus(tvb, pinfo, tree, tns_desegment, 2,
 877             get_tns_pdu_len, dissect_tns_pdu);
 878         return tvb_length(tvb);
 879 }
 880
 881 static void
 882 dissect_tns_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 883 {
 884         proto_tree      *tns_tree = NULL, *ti;
 885         proto_item *hidden_item;
 886         int offset = 0;
 887         guint16 length;
 888         guint16 type;
 889
 890         col_set_str(pinfo->cinfo, COL_PROTOCOL, "TNS");
 891
 892         if (check_col(pinfo->cinfo, COL_INFO))
 893         {
 894                 col_set_str(pinfo->cinfo, COL_INFO,
 895                         (pinfo->match_port == pinfo->destport) ? "Request" : "Response");
 896         }
 897
 898         if (tree)
 899         {
 900                 ti = proto_tree_add_item(tree, proto_tns, tvb, 0, -1, FALSE);
 901                 tns_tree = proto_item_add_subtree(ti, ett_tns);
 902
 903                 if (pinfo->match_port == pinfo->destport)
 904                 {
 905                         hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_request,
 906                                            tvb, offset, 0, TRUE);
 907                 }
 908                 else
 909                 {
 910                         hidden_item = proto_tree_add_boolean(tns_tree, hf_tns_response,
 911                                             tvb, offset, 0, TRUE);
 912                 }
 913                 PROTO_ITEM_SET_HIDDEN(hidden_item);
 914         }
 915
 916         length = tvb_get_ntohs(tvb, offset);
 917         if (tree)
 918         {
 919                 proto_tree_add_uint(tns_tree, hf_tns_length, tvb,
 920                         offset, 2, length);
 921         }
 922         offset += 2;
 923
 924         if ( tree )
 925         {
 926                 proto_tree_add_item(tns_tree, hf_tns_packet_checksum, tvb,
 927                         offset, 2, FALSE);
 928         }
 929         offset += 2;
 930
 931         type = tvb_get_guint8(tvb, offset);
 932         if ( tree )
 933         {
 934                 proto_tree_add_uint(tns_tree, hf_tns_packet_type, tvb,
 935                         offset, 1, type);
 936         }
 937         offset += 1;
 938
 939         if ( check_col(pinfo->cinfo, COL_INFO))
 940         {
 941                 col_append_fstr(pinfo->cinfo, COL_INFO, ", %s (%u)",
 942                         val_to_str(type, tns_type_vals, "Unknown"), type);
 943         }
 944
 945         if ( tree )
 946         {
 947                 proto_tree_add_item(tns_tree, hf_tns_reserved_byte, tvb,
 948                         offset, 1, FALSE);
 949         }
 950         offset += 1;
 951
 952         if ( tree )
 953         {
 954                 proto_tree_add_item(tns_tree, hf_tns_header_checksum, tvb,
 955                         offset, 2, FALSE);
 956         }
 957         offset += 2;
 958
 959         switch (type)
 960         {
 961                 case TNS_TYPE_CONNECT:
 962                         dissect_tns_connect(tvb,offset,pinfo,tree,tns_tree);
 963                         break;
 964                 case TNS_TYPE_ACCEPT:
 965                         dissect_tns_accept(tvb,offset,pinfo,tree,tns_tree);
 966                         break;
 967                 case TNS_TYPE_REFUSE:
 968                         dissect_tns_refuse(tvb,offset,pinfo,tree,tns_tree);
 969                         break;
 970                 case TNS_TYPE_REDIRECT:
 971                         dissect_tns_redirect(tvb,offset,pinfo,tree,tns_tree);
 972                         break;
 973                 case TNS_TYPE_ABORT:
 974                         dissect_tns_abort(tvb,offset,pinfo,tree,tns_tree);
 975                         break;
 976                 case TNS_TYPE_MARKER:
 977                         dissect_tns_marker(tvb,offset,pinfo,tree,tns_tree, 0);
 978                         break;
 979                 case TNS_TYPE_ATTENTION:
 980                         dissect_tns_marker(tvb,offset,pinfo,tree,tns_tree, 1);
 981                         break;
 982                 case TNS_TYPE_CONTROL:
 983                         dissect_tns_control(tvb,offset,pinfo,tree,tns_tree);
 984                         break;
 985                 case TNS_TYPE_DATA:
 986                         dissect_tns_data(tvb,offset,pinfo,tree,tns_tree);
 987                         break;
 988                 default:
 989                         call_dissector(data_handle,
 990                             tvb_new_subset_remaining(tvb, offset), pinfo,
 991                             tns_tree);
 992                         break;
 993         }
 994 }
 995
 996 void proto_register_tns(void)
 997 {
 998         static hf_register_info hf[] = {
 999                 { &hf_tns_response, {
1000                         "Response", "tns.response", FT_BOOLEAN, BASE_NONE,
1001                         NULL, 0x0, "TRUE if TNS response", HFILL }},
1002                 { &hf_tns_request, {
1003                         "Request", "tns.request", FT_BOOLEAN, BASE_NONE,
1004                         NULL, 0x0, "TRUE if TNS request", HFILL }},
1005                 { &hf_tns_length, {
1006                         "Packet Length", "tns.length", FT_UINT16, BASE_DEC,
1007                         NULL, 0x0, "Length of TNS packet", HFILL }},
1008                 { &hf_tns_packet_checksum, {
1009                         "Packet Checksum", "tns.packet_checksum", FT_UINT16, BASE_HEX,
1010                         NULL, 0x0, "Checksum of Packet Data", HFILL }},
1011                 { &hf_tns_header_checksum, {
1012                         "Header Checksum", "tns.header_checksum", FT_UINT16, BASE_HEX,
1013                         NULL, 0x0, "Checksum of Header Data", HFILL }},
1014
1015                 { &hf_tns_version, {
1016                         "Version", "tns.version", FT_UINT16, BASE_DEC,
1017                         NULL, 0x0, NULL, HFILL }},
1018                 { &hf_tns_compat_version, {
1019                         "Version (Compatible)", "tns.compat_version", FT_UINT16, BASE_DEC,
1020                         NULL, 0x0, NULL, HFILL }},
1021
1022                 { &hf_tns_service_options, {
1023                         "Service Options", "tns.service_options", FT_UINT16, BASE_HEX,
1024                         NULL, 0x0, NULL, HFILL }},
1025
1026                 { &hf_tns_sopt_flag_bconn, {
1027                         "Broken Connect Notify", "tns.so_flag.bconn", FT_BOOLEAN, 16,
1028                         NULL, 0x2000, NULL, HFILL }},
1029                 { &hf_tns_sopt_flag_pc, {
1030                         "Packet Checksum", "tns.so_flag.pc", FT_BOOLEAN, 16,
1031                         NULL, 0x1000, NULL, HFILL }},
1032                 { &hf_tns_sopt_flag_hc, {
1033                         "Header Checksum", "tns.so_flag.hc", FT_BOOLEAN, 16,
1034                         NULL, 0x0800, NULL, HFILL }},
1035                 { &hf_tns_sopt_flag_fd, {
1036                         "Full Duplex", "tns.so_flag.fd", FT_BOOLEAN, 16,
1037                         NULL, 0x0400, NULL, HFILL }},
1038                 { &hf_tns_sopt_flag_hd, {
1039                         "Half Duplex", "tns.so_flag.hd", FT_BOOLEAN, 16,
1040                         NULL, 0x0200, NULL, HFILL }},
1041                 { &hf_tns_sopt_flag_dc1, {
1042                         "Don't Care", "tns.so_flag.dc1", FT_BOOLEAN, 16,
1043                         NULL, 0x0100, NULL, HFILL }},
1044                 { &hf_tns_sopt_flag_dc2, {
1045                         "Don't Care", "tns.so_flag.dc2", FT_BOOLEAN, 16,
1046                         NULL, 0x0080, NULL, HFILL }},
1047                 { &hf_tns_sopt_flag_dio, {
1048                         "Direct IO to Transport", "tns.so_flag.dio", FT_BOOLEAN, 16,
1049                         NULL, 0x0010, NULL, HFILL }},
1050                 { &hf_tns_sopt_flag_ap, {
1051                         "Attention Processing", "tns.so_flag.ap", FT_BOOLEAN, 16,
1052                         NULL, 0x0008, NULL, HFILL }},
1053                 { &hf_tns_sopt_flag_ra, {
1054                         "Can Receive Attention", "tns.so_flag.ra", FT_BOOLEAN, 16,
1055                         NULL, 0x0004, NULL, HFILL }},
1056                 { &hf_tns_sopt_flag_sa, {
1057                         "Can Send Attention", "tns.so_flag.sa", FT_BOOLEAN, 16,
1058                         NULL, 0x0002, NULL, HFILL }},
1059
1060
1061                 { &hf_tns_sdu_size, {
1062                         "Session Data Unit Size", "tns.sdu_size", FT_UINT16, BASE_DEC,
1063                         NULL, 0x0, NULL, HFILL }},
1064                 { &hf_tns_max_tdu_size, {
1065                         "Maximum Transmission Data Unit Size", "tns.max_tdu_size", FT_UINT16, BASE_DEC,
1066                         NULL, 0x0, NULL, HFILL }},
1067
1068                 { &hf_tns_nt_proto_characteristics, {
1069                         "NT Protocol Characteristics", "tns.nt_proto_characteristics", FT_UINT16, BASE_HEX,
1070                         NULL, 0x0, NULL, HFILL }},
1071                 { &hf_tns_ntp_flag_hangon, {
1072                         "Hangon to listener connect", "tns.ntp_flag.hangon", FT_BOOLEAN, 16,
1073                         NULL, 0x8000, NULL, HFILL }},
1074                 { &hf_tns_ntp_flag_crel, {
1075                         "Confirmed release", "tns.ntp_flag.crel", FT_BOOLEAN, 16,
1076                         NULL, 0x4000, NULL, HFILL }},
1077                 { &hf_tns_ntp_flag_tduio, {
1078                         "TDU based IO", "tns.ntp_flag.tduio", FT_BOOLEAN, 16,
1079                         NULL, 0x2000, NULL, HFILL }},
1080                 { &hf_tns_ntp_flag_srun, {
1081                         "Spawner running", "tns.ntp_flag.srun", FT_BOOLEAN, 16,
1082                         NULL, 0x1000, NULL, HFILL }},
1083                 { &hf_tns_ntp_flag_dtest, {
1084                         "Data test", "tns.ntp_flag.dtest", FT_BOOLEAN, 16,
1085                         NULL, 0x0800, "Data Test", HFILL }},
1086                 { &hf_tns_ntp_flag_cbio, {
1087                         "Callback IO supported", "tns.ntp_flag.cbio", FT_BOOLEAN, 16,
1088                         NULL, 0x0400, NULL, HFILL }},
1089                 { &hf_tns_ntp_flag_asio, {
1090                         "ASync IO Supported", "tns.ntp_flag.asio", FT_BOOLEAN, 16,
1091                         NULL, 0x0200, NULL, HFILL }},
1092                 { &hf_tns_ntp_flag_pio, {
1093                         "Packet oriented IO", "tns.ntp_flag.pio", FT_BOOLEAN, 16,
1094                         NULL, 0x0100, NULL, HFILL }},
1095                 { &hf_tns_ntp_flag_grant, {
1096                         "Can grant connection to another", "tns.ntp_flag.grant", FT_BOOLEAN, 16,
1097                         NULL, 0x0080, NULL, HFILL }},
1098                 { &hf_tns_ntp_flag_handoff, {
1099                         "Can handoff connection to another", "tns.ntp_flag.handoff", FT_BOOLEAN, 16,
1100                         NULL, 0x0040, NULL, HFILL }},
1101                 { &hf_tns_ntp_flag_sigio, {
1102                         "Generate SIGIO signal", "tns.ntp_flag.sigio", FT_BOOLEAN, 16,
1103                         NULL, 0x0020, NULL, HFILL }},
1104                 { &hf_tns_ntp_flag_sigpipe, {
1105                         "Generate SIGPIPE signal", "tns.ntp_flag.sigpipe", FT_BOOLEAN, 16,
1106                         NULL, 0x0010, NULL, HFILL }},
1107                 { &hf_tns_ntp_flag_sigurg, {
1108                         "Generate SIGURG signal", "tns.ntp_flag.sigurg", FT_BOOLEAN, 16,
1109                         NULL, 0x0008, NULL, HFILL }},
1110                 { &hf_tns_ntp_flag_urgentio, {
1111                         "Urgent IO supported", "tns.ntp_flag.urgentio", FT_BOOLEAN, 16,
1112                         NULL, 0x0004, NULL, HFILL }},
1113                 { &hf_tns_ntp_flag_fdio, {
1114                         "Full duplex IO supported", "tns.ntp_flag.dfio", FT_BOOLEAN, 16,
1115                         NULL, 0x0002, NULL, HFILL }},
1116                 { &hf_tns_ntp_flag_testop, {
1117                         "Test operation", "tns.ntp_flag.testop", FT_BOOLEAN, 16,
1118                         NULL, 0x0001, NULL, HFILL }},
1119
1120
1121
1122
1123                 { &hf_tns_line_turnaround, {
1124                         "Line Turnaround Value", "tns.line_turnaround", FT_UINT16, BASE_DEC,
1125                         NULL, 0x0, NULL, HFILL }},
1126                 { &hf_tns_value_of_one, {
1127                         "Value of 1 in Hardware", "tns.value_of_one", FT_BYTES, BASE_NONE,
1128                         NULL, 0x0, NULL, HFILL }},
1129
1130                 { &hf_tns_connect, {
1131                         "Connect", "tns.connect", FT_BOOLEAN, BASE_NONE,
1132                         NULL, 0x0, NULL, HFILL }},
1133                 { &hf_tns_connect_data_length, {
1134                         "Length of Connect Data", "tns.connect_data_length", FT_UINT16, BASE_DEC,
1135                         NULL, 0x0, NULL, HFILL }},
1136                 { &hf_tns_connect_data_offset, {
1137                         "Offset to Connect Data", "tns.connect_data_offset", FT_UINT16, BASE_DEC,
1138                         NULL, 0x0, NULL, HFILL }},
1139                 { &hf_tns_connect_data_max, {
1140                         "Maximum Receivable Connect Data", "tns.connect_data_max", FT_UINT32, BASE_DEC,
1141                         NULL, 0x0, NULL, HFILL }},
1142
1143                 { &hf_tns_connect_flags0, {
1144                         "Connect Flags 0", "tns.connect_flags0", FT_UINT8, BASE_HEX,
1145                         NULL, 0x0, NULL, HFILL }},
1146                 { &hf_tns_connect_flags1, {
1147                         "Connect Flags 1", "tns.connect_flags1", FT_UINT8, BASE_HEX,
1148                         NULL, 0x0, NULL, HFILL }},
1149
1150                 { &hf_tns_conn_flag_nareq, {
1151                         "NA services required", "tns.connect_flags.nareq", FT_BOOLEAN, 8,
1152                         NULL, 0x10, NULL, HFILL }},
1153                 { &hf_tns_conn_flag_nalink, {
1154                         "NA services linked in", "tns.connect_flags.nalink", FT_BOOLEAN, 8,
1155                         NULL, 0x08, NULL, HFILL }},
1156                 { &hf_tns_conn_flag_enablena, {
1157                         "NA services enabled", "tns.connect_flags.enablena", FT_BOOLEAN, 8,
1158                         NULL, 0x04, NULL, HFILL }},
1159                 { &hf_tns_conn_flag_ichg, {
1160                         "Interchange is involved", "tns.connect_flags.ichg", FT_BOOLEAN, 8,
1161                         NULL, 0x02, NULL, HFILL }},
1162                 { &hf_tns_conn_flag_wantna, {
1163                         "NA services wanted", "tns.connect_flags.wantna", FT_BOOLEAN, 8,
1164                         NULL, 0x01, NULL, HFILL }},
1165
1166
1167                 { &hf_tns_trace_cf1, {
1168                         "Trace Cross Facility Item 1", "tns.trace_cf1", FT_UINT32, BASE_HEX,
1169                         NULL, 0x0, NULL, HFILL }},
1170                 { &hf_tns_trace_cf2, {
1171                         "Trace Cross Facility Item 2", "tns.trace_cf2", FT_UINT32, BASE_HEX,
1172                         NULL, 0x0, NULL, HFILL }},
1173                 { &hf_tns_trace_cid, {
1174                         "Trace Unique Connection ID", "tns.trace_cid", FT_UINT64, BASE_HEX,
1175                         NULL, 0x0, NULL, HFILL }},
1176                 { &hf_tns_connect_data, {
1177                         "Connect Data", "tns.connect_data", FT_STRING, BASE_NONE,
1178                         NULL, 0x0, NULL, HFILL }},
1179
1180                 { &hf_tns_accept, {
1181                         "Accept", "tns.accept", FT_BOOLEAN, BASE_NONE,
1182                         NULL, 0x0, NULL, HFILL }},
1183                 { &hf_tns_accept_data_length, {
1184                         "Accept Data Length", "tns.accept_data_length", FT_UINT16, BASE_DEC,
1185                         NULL, 0x0, "Length of Accept Data", HFILL }},
1186                 { &hf_tns_accept_data, {
1187                         "Accept Data", "tns.accept_data", FT_STRING, BASE_NONE,
1188                         NULL, 0x0, NULL, HFILL }},
1189                 { &hf_tns_accept_data_offset, {
1190                         "Offset to Accept Data", "tns.accept_data_offset", FT_UINT16, BASE_DEC,
1191                         NULL, 0x0, NULL, HFILL }},
1192
1193
1194                 { &hf_tns_refuse, {
1195                         "Refuse", "tns.refuse", FT_BOOLEAN, BASE_NONE,
1196                         NULL, 0x0, NULL, HFILL }},
1197                 { &hf_tns_refuse_reason_user, {
1198                         "Refuse Reason (User)", "tns.refuse_reason_user", FT_UINT8, BASE_HEX,
1199                         NULL, 0x0, "Refuse Reason from Application", HFILL }},
1200                 { &hf_tns_refuse_reason_system, {
1201                         "Refuse Reason (System)", "tns.refuse_reason_system", FT_UINT8, BASE_HEX,
1202                         NULL, 0x0, "Refuse Reason from System", HFILL }},
1203                 { &hf_tns_refuse_data_length, {
1204                         "Refuse Data Length", "tns.refuse_data_length", FT_UINT16, BASE_DEC,
1205                         NULL, 0x0, "Length of Refuse Data", HFILL }},
1206                 { &hf_tns_refuse_data, {
1207                         "Refuse Data", "tns.refuse_data", FT_STRING, BASE_NONE,
1208                         NULL, 0x0, NULL, HFILL }},
1209
1210                 { &hf_tns_abort, {
1211                         "Abort", "tns.abort", FT_BOOLEAN, BASE_NONE,
1212                         NULL, 0x0, NULL, HFILL }},
1213                 { &hf_tns_abort_reason_user, {
1214                         "Abort Reason (User)", "tns.abort_reason_user", FT_UINT8, BASE_HEX,
1215                         NULL, 0x0, "Abort Reason from Application", HFILL }},
1216                 { &hf_tns_abort_reason_system, {
1217                         "Abort Reason (User)", "tns.abort_reason_system", FT_UINT8, BASE_HEX,
1218                         NULL, 0x0, "Abort Reason from System", HFILL }},
1219                 { &hf_tns_abort_data, {
1220                         "Abort Data", "tns.abort_data", FT_STRING, BASE_NONE,
1221                         NULL, 0x0, NULL, HFILL }},
1222
1223                 { &hf_tns_marker, {
1224                         "Marker", "tns.marker", FT_BOOLEAN, BASE_NONE,
1225                         NULL, 0x0, NULL, HFILL }},
1226                 { &hf_tns_marker_type, {
1227                         "Marker Type", "tns.marker.type", FT_UINT8, BASE_HEX,
1228                         VALS(tns_marker_types), 0x0, NULL, HFILL }},
1229                 { &hf_tns_marker_data_byte, {
1230                         "Marker Data Byte", "tns.marker.databyte", FT_UINT8, BASE_HEX,
1231                         NULL, 0x0, NULL, HFILL }},
1232                 { &hf_tns_marker_data, {
1233                         "Marker Data", "tns.marker.data", FT_UINT16, BASE_HEX,
1234                         NULL, 0x0, NULL, HFILL }},
1235
1236                 { &hf_tns_control, {
1237                         "Control", "tns.control", FT_BOOLEAN, BASE_NONE,
1238                         NULL, 0x0, NULL, HFILL }},
1239                 { &hf_tns_control_cmd, {
1240                         "Control Command", "tns.control.cmd", FT_UINT16, BASE_HEX,
1241                         VALS(tns_control_cmds), 0x0, NULL, HFILL }},
1242                 { &hf_tns_control_data, {
1243                         "Control Data", "tns.control.data", FT_BYTES, BASE_NONE,
1244                         NULL, 0x0, NULL, HFILL }},
1245
1246                 { &hf_tns_redirect, {
1247                         "Redirect", "tns.redirect", FT_BOOLEAN, BASE_NONE,
1248                         NULL, 0x0, NULL, HFILL }},
1249                 { &hf_tns_redirect_data_length, {
1250                         "Redirect Data Length", "tns.redirect_data_length", FT_UINT16, BASE_DEC,
1251                         NULL, 0x0, "Length of Redirect Data", HFILL }},
1252                 { &hf_tns_redirect_data, {
1253                         "Redirect Data", "tns.redirect_data", FT_STRING, BASE_NONE,
1254                         NULL, 0x0, NULL, HFILL }},
1255
1256                 { &hf_tns_data, {
1257                         "Data", "tns.data", FT_BOOLEAN, BASE_NONE,
1258                         NULL, 0x0, NULL, HFILL }},
1259
1260                 { &hf_tns_data_flag, {
1261                         "Data Flag", "tns.data_flag", FT_UINT16, BASE_HEX,
1262                         NULL, 0x0, NULL, HFILL }},
1263                 { &hf_tns_data_flag_send, {
1264                         "Send Token", "tns.data_flag.send", FT_BOOLEAN, 16,
1265                         NULL, 0x1, NULL, HFILL }},
1266                 { &hf_tns_data_flag_rc, {
1267                         "Request Confirmation", "tns.data_flag.rc", FT_BOOLEAN, 16,
1268                         NULL, 0x2, NULL, HFILL }},
1269                 { &hf_tns_data_flag_c, {
1270                         "Confirmation", "tns.data_flag.c", FT_BOOLEAN, 16,
1271                         NULL, 0x4, NULL, HFILL }},
1272                 { &hf_tns_data_flag_reserved, {
1273                         "Reserved", "tns.data_flag.reserved", FT_BOOLEAN, 16,
1274                         NULL, 0x8, NULL, HFILL }},
1275                 { &hf_tns_data_flag_more, {
1276                         "More Data to Come", "tns.data_flag.more", FT_BOOLEAN, 16,
1277                         NULL, 0x20, NULL, HFILL }},
1278                 { &hf_tns_data_flag_eof, {
1279                         "End of File", "tns.data_flag.eof", FT_BOOLEAN, 16,
1280                         NULL, 0x40, NULL, HFILL }},
1281                 { &hf_tns_data_flag_dic, {
1282                         "Do Immediate Confirmation", "tns.data_flag.dic", FT_BOOLEAN, 16,
1283                         NULL, 0x80, NULL, HFILL }},
1284                 { &hf_tns_data_flag_rts, {
1285                         "Request To Send", "tns.data_flag.rts", FT_BOOLEAN, 16,
1286                         NULL, 0x100, NULL, HFILL }},
1287                 { &hf_tns_data_flag_sntt, {
1288                         "Send NT Trailer", "tns.data_flag.sntt", FT_BOOLEAN, 16,
1289                         NULL, 0x200, NULL, HFILL }},
1290
1291
1292                 { &hf_tns_reserved_byte, {
1293                         "Reserved Byte", "tns.reserved_byte", FT_BYTES, BASE_NONE,
1294                         NULL, 0x0, NULL, HFILL }},
1295                 { &hf_tns_packet_type, {
1296                         "Packet Type", "tns.type", FT_UINT8, BASE_DEC,
1297                         VALS(tns_type_vals), 0x0, "Type of TNS packet", HFILL }}
1298
1299         };
1300
1301         static gint *ett[] = {
1302                 &ett_tns,
1303                 &ett_tns_connect,
1304                 &ett_tns_accept,
1305                 &ett_tns_refuse,
1306                 &ett_tns_abort,
1307                 &ett_tns_redirect,
1308                 &ett_tns_marker,
1309                 &ett_tns_attention,
1310                 &ett_tns_control,
1311                 &ett_tns_data,
1312                 &ett_tns_data_flag,
1313                 &ett_tns_sopt_flag,
1314                 &ett_tns_ntp_flag,
1315                 &ett_tns_conn_flag,
1316                 &ett_sql
1317         };
1318         module_t *tns_module;
1319
1320         proto_tns = proto_register_protocol(
1321                 "Transparent Network Substrate Protocol", "TNS", "tns");
1322         proto_register_field_array(proto_tns, hf, array_length(hf));
1323         proto_register_subtree_array(ett, array_length(ett));
1324
1325         tns_module = prefs_register_protocol(proto_tns, NULL);
1326         prefs_register_bool_preference(tns_module, "desegment_tns_messages",
1327           "Reassemble TNS messages spanning multiple TCP segments",
1328           "Whether the TNS dissector should reassemble messages spanning multiple TCP segments. "
1329           "To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
1330           &tns_desegment);
1331 }
1332
1333 void
1334 proto_reg_handoff_tns(void)
1335 {
1336         dissector_handle_t tns_handle;
1337
1338         tns_handle = new_create_dissector_handle(dissect_tns, proto_tns);
1339         dissector_add("tcp.port", TCP_PORT_TNS, tns_handle);
1340         data_handle = find_dissector("data");
1341 }