packet-quake.c

   1 /* packet-quake.c
   2  * Routines for Quake packet dissection
   3  *
   4  * Uwe Girlich <uwe@planetquake.com>
   5  *      http://www.idsoftware.com/q1source/q1source.zip
   6  *
   7  * $Id: packet-quake.c,v 1.30 2003/06/12 08:33:29 guy Exp $
   8  *
   9  * Ethereal - Network traffic analyzer
  10  * By Gerald Combs <gerald@ethereal.com>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * Copied from packet-tftp.c
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <glib.h>
  35 #include <epan/packet.h>
  36 #include <epan/conversation.h>
  37 #include "prefs.h"
  38
  39 static int proto_quake = -1;
  40 static int hf_quake_header_flags = -1;
  41 static int hf_quake_header_length = -1;
  42 static int hf_quake_header_sequence = -1;
  43 static int hf_quake_control_command = -1;
  44
  45 static int hf_quake_CCREQ_CONNECT_game = -1;
  46 static int hf_quake_CCREQ_CONNECT_version = -1;
  47 static int hf_quake_CCREQ_SERVER_INFO_game = -1;
  48 static int hf_quake_CCREQ_SERVER_INFO_version = -1;
  49 static int hf_quake_CCREQ_PLAYER_INFO_player = -1;
  50 static int hf_quake_CCREQ_RULE_INFO_lastrule = -1;
  51
  52 static int hf_quake_CCREP_ACCEPT_port = -1;
  53 static int hf_quake_CCREP_REJECT_reason = -1;
  54 static int hf_quake_CCREP_SERVER_INFO_address = -1;
  55 static int hf_quake_CCREP_SERVER_INFO_server = -1;
  56 static int hf_quake_CCREP_SERVER_INFO_map = -1;
  57 static int hf_quake_CCREP_SERVER_INFO_num_player = -1;
  58 static int hf_quake_CCREP_SERVER_INFO_max_player = -1;
  59 static int hf_quake_CCREP_PLAYER_INFO_name = -1;
  60 static int hf_quake_CCREP_PLAYER_INFO_colors = -1;
  61 static int hf_quake_CCREP_PLAYER_INFO_colors_shirt = -1;
  62 static int hf_quake_CCREP_PLAYER_INFO_colors_pants = -1;
  63 static int hf_quake_CCREP_PLAYER_INFO_frags = -1;
  64 static int hf_quake_CCREP_PLAYER_INFO_connect_time = -1;
  65 static int hf_quake_CCREP_PLAYER_INFO_address = -1;
  66 static int hf_quake_CCREP_RULE_INFO_rule = -1;
  67 static int hf_quake_CCREP_RULE_INFO_value = -1;
  68
  69
  70 static gint ett_quake = -1;
  71 static gint ett_quake_control = -1;
  72 static gint ett_quake_control_colors = -1;
  73 static gint ett_quake_flags = -1;
  74
  75 static dissector_handle_t quake_handle;
  76 static dissector_handle_t data_handle;
  77
  78 /* I took these names directly out of the Q1 source. */
  79 #define NETFLAG_LENGTH_MASK 0x0000ffff
  80 #define NET_HEADERSIZE 8
  81 #define DEFAULTnet_hostport 26000
  82 static unsigned int gbl_quakeServerPort=DEFAULTnet_hostport;
  83
  84 #define NETFLAG_LENGTH_MASK     0x0000ffff
  85 #define NETFLAG_DATA            0x00010000
  86 #define NETFLAG_ACK                     0x00020000
  87 #define NETFLAG_NAK                     0x00040000
  88 #define NETFLAG_EOM                     0x00080000
  89 #define NETFLAG_UNRELIABLE      0x00100000
  90 #define NETFLAG_CTL                     0x80000000
  91
  92
  93 #define CCREQ_CONNECT           0x01
  94 #define CCREQ_SERVER_INFO       0x02
  95 #define CCREQ_PLAYER_INFO       0x03
  96 #define CCREQ_RULE_INFO         0x04
  97
  98 #define CCREP_ACCEPT            0x81
  99 #define CCREP_REJECT            0x82
 100 #define CCREP_SERVER_INFO       0x83
 101 #define CCREP_PLAYER_INFO       0x84
 102 #define CCREP_RULE_INFO         0x85
 103
 104 static const value_string names_control_command[] = {
 105         {       CCREQ_CONNECT, "connect" },
 106         {       CCREQ_SERVER_INFO, "server_info" },
 107         {       CCREQ_PLAYER_INFO, "player_info" },
 108         {       CCREQ_RULE_INFO, "rule_info" },
 109         {       CCREP_ACCEPT, "accept" },
 110         {       CCREP_REJECT, "reject" },
 111         {       CCREP_SERVER_INFO, "server_info" },
 112         {       CCREP_PLAYER_INFO, "player_info" },
 113         {       CCREP_RULE_INFO, "rule_info" },
 114         { 0, NULL }
 115 };
 116
 117 #define CCREQ 0x00
 118 #define CCREP 0x80
 119
 120 #define QUAKE_MAXSTRING 0x800
 121
 122 static const value_string names_control_direction[] = {
 123         { CCREQ, "Request" },
 124         { CCREP, "Reply" },
 125         { 0, NULL }
 126 };
 127
 128
 129 static const value_string names_colors[] = {
 130         {  0, "White" },
 131         {  1, "Brown" },
 132         {  2, "Lavender" },
 133         {  3, "Khaki" },
 134         {  4, "Red" },
 135         {  5, "Lt Brown" },
 136         {  6, "Peach" },
 137         {  7, "Lt Peach" },
 138         {  8, "Purple" },
 139         {  9, "Dk Purple" },
 140         { 10, "Tan" },
 141         { 11, "Green" },
 142         { 12, "Yellow" },
 143         { 13, "Blue" },
 144         { 14, "Blue" },
 145         { 15, "Blue" },
 146         {  0, NULL }
 147 };
 148
 149
 150 static void dissect_quake(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
 151
 152
 153
 154 static void
 155 dissect_quake_CCREQ_CONNECT
 156 (tvbuff_t *tvb, proto_tree *tree)
 157 {
 158         gint offset;
 159         proto_item *ti;
 160
 161         offset = 0;
 162
 163         if (tree) {
 164                 ti = proto_tree_add_item(tree, hf_quake_CCREQ_CONNECT_game,
 165                         tvb, offset, -1, TRUE);
 166                 offset += proto_item_get_len(ti);
 167
 168                 proto_tree_add_item(tree, hf_quake_CCREQ_CONNECT_version,
 169                         tvb, offset, 1, TRUE);
 170         }
 171 }
 172
 173
 174 static void
 175 dissect_quake_CCREQ_SERVER_INFO
 176 (tvbuff_t *tvb, proto_tree *tree)
 177 {
 178         gint offset;
 179         proto_item *ti;
 180
 181         offset = 0;
 182
 183         if (tree) {
 184                 ti = proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_game,
 185                         tvb, offset, -1, TRUE);
 186                 offset += proto_item_get_len(ti);
 187                 proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_version,
 188                         tvb, offset, 1, TRUE);
 189         }
 190 }
 191
 192
 193 static void
 194 dissect_quake_CCREQ_PLAYER_INFO
 195 (tvbuff_t *tvb, proto_tree *tree)
 196 {
 197         if (tree) {
 198                  proto_tree_add_item(tree, hf_quake_CCREQ_PLAYER_INFO_player,
 199                         tvb, 0, 1, TRUE);
 200         }
 201 }
 202
 203
 204 static void
 205 dissect_quake_CCREQ_RULE_INFO
 206 (tvbuff_t *tvb, proto_tree *tree)
 207 {
 208         if (tree) {
 209                 proto_tree_add_item(tree, hf_quake_CCREQ_RULE_INFO_lastrule,
 210                         tvb, 0, -1, TRUE);
 211         }
 212 }
 213
 214
 215 static void
 216 dissect_quake_CCREP_ACCEPT
 217 (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 218 {
 219         guint32 port;
 220         conversation_t *c;
 221
 222         port = tvb_get_letohl(tvb, 0);
 223         c = conversation_new( &pinfo->src, &pinfo->dst, PT_UDP, port,
 224             pinfo->destport, 0);
 225         if (c) {
 226                 conversation_set_dissector(c, quake_handle);
 227         }
 228         if (tree) {
 229                 proto_tree_add_uint(tree, hf_quake_CCREP_ACCEPT_port,
 230                         tvb, 0, 4, port);
 231         }
 232 }
 233
 234
 235 static void
 236 dissect_quake_CCREP_REJECT
 237 (tvbuff_t *tvb, proto_tree *tree)
 238 {
 239         if (tree) {
 240                 proto_tree_add_item(tree, hf_quake_CCREP_REJECT_reason,
 241                         tvb, 0, -1, TRUE);
 242         }
 243 }
 244
 245
 246 static void
 247 dissect_quake_CCREP_SERVER_INFO
 248 (tvbuff_t *tvb, proto_tree *tree)
 249 {
 250         gint offset;
 251         proto_item *ti;
 252
 253         offset = 0;
 254
 255         if (tree) {
 256                 ti = proto_tree_add_item(tree,
 257                         hf_quake_CCREP_SERVER_INFO_address, tvb, offset, -1,
 258                         TRUE);
 259                 offset += proto_item_get_len(ti);
 260
 261                 ti = proto_tree_add_item(tree,
 262                         hf_quake_CCREP_SERVER_INFO_server, tvb, offset, -1,
 263                         TRUE);
 264                 offset += proto_item_get_len(ti);
 265
 266                 ti = proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_map,
 267                         tvb, offset, -1, TRUE);
 268                 offset += proto_item_get_len(ti);
 269
 270                 proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_num_player,
 271                         tvb, offset, 1, TRUE);
 272                 offset += 1;
 273                 proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_max_player,
 274                         tvb, offset, 1, TRUE);
 275                 offset += 1;
 276                 proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_version,
 277                         tvb, offset, 1, TRUE);
 278         }
 279 }
 280
 281
 282 static void
 283 dissect_quake_CCREP_PLAYER_INFO
 284 (tvbuff_t *tvb, proto_tree *tree)
 285 {
 286         gint offset;
 287         proto_item *ti;
 288         guint32 colors;
 289         guint32 color_shirt;
 290         guint32 color_pants;
 291         proto_item *colors_item;
 292         proto_tree *colors_tree;
 293
 294         offset = 0;
 295
 296         if (tree) {
 297                 proto_tree_add_item(tree, hf_quake_CCREQ_PLAYER_INFO_player,
 298                         tvb, offset, 1, TRUE);
 299                 offset += 1;
 300
 301                 ti = proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_name,
 302                         tvb, offset, -1, TRUE);
 303                 offset += proto_item_get_len(ti);
 304
 305                 colors       = tvb_get_letohl(tvb, offset + 0);
 306                 color_shirt = (colors >> 4) & 0x0f;
 307                 color_pants = (colors     ) & 0x0f;
 308
 309                 colors_item = proto_tree_add_uint(tree,
 310                         hf_quake_CCREP_PLAYER_INFO_colors,
 311                         tvb, offset, 4, colors);
 312                 colors_tree = proto_item_add_subtree(colors_item,
 313                                 ett_quake_control_colors);
 314                 proto_tree_add_uint(colors_tree,
 315                         hf_quake_CCREP_PLAYER_INFO_colors_shirt,
 316                         tvb, offset, 1, color_shirt);
 317                 proto_tree_add_uint(colors_tree,
 318                         hf_quake_CCREP_PLAYER_INFO_colors_pants,
 319                         tvb, offset, 1, color_pants);
 320                 offset += 4;
 321                 proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_frags,
 322                         tvb, offset, 4, TRUE);
 323                 offset += 4;
 324                 proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_connect_time,
 325                         tvb, offset, 4, TRUE);
 326                 offset += 4;
 327
 328                 proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_address,
 329                         tvb, offset, -1, TRUE);
 330         }
 331 }
 332
 333
 334 static void
 335 dissect_quake_CCREP_RULE_INFO
 336 (tvbuff_t *tvb, proto_tree *tree)
 337 {
 338         gint offset;
 339         proto_item *ti;
 340
 341         if (tvb_reported_length(tvb) == 0) return;
 342
 343         offset = 0;
 344
 345         if (tree) {
 346                 ti = proto_tree_add_item(tree, hf_quake_CCREP_RULE_INFO_rule,
 347                         tvb, offset, -1, TRUE);
 348                 offset += proto_item_get_len(ti);
 349
 350                 proto_tree_add_item(tree, hf_quake_CCREP_RULE_INFO_value,
 351                         tvb, offset, -1, TRUE);
 352         }
 353 }
 354
 355
 356 static void
 357 dissect_quake_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 358 {
 359         guint8          command;
 360         int             direction;
 361         proto_item      *control_item = NULL;
 362         proto_tree      *control_tree = NULL;
 363         guint           rest_length;
 364         tvbuff_t        *next_tvb;
 365
 366         command = tvb_get_guint8(tvb, 0);
 367         direction = (command & 0x80) ? CCREP : CCREQ;
 368
 369         if (check_col(pinfo->cinfo, COL_INFO)) {
 370                 col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s",
 371                         val_to_str(command,names_control_command, "%u"),
 372                         val_to_str(direction,names_control_direction,"%u"));
 373         }
 374
 375         if (tree) {
 376                 control_item = proto_tree_add_text(tree, tvb,
 377                                 0, -1, "Control %s: %s",
 378                                 val_to_str(direction, names_control_direction, "%u"),
 379                                 val_to_str(command, names_control_command, "%u"));
 380                 if (control_item)
 381                         control_tree = proto_item_add_subtree(control_item,
 382                                                 ett_quake_control);
 383                 proto_tree_add_uint(control_tree, hf_quake_control_command,
 384                                         tvb, 0, 1, command);
 385         }
 386
 387         rest_length = tvb_reported_length(tvb) - 1;
 388         next_tvb = tvb_new_subset(tvb, 1, rest_length , rest_length);
 389         switch (command) {
 390                 case CCREQ_CONNECT:
 391                         dissect_quake_CCREQ_CONNECT
 392                         (next_tvb, control_tree);
 393                 break;
 394                 case CCREQ_SERVER_INFO:
 395                         dissect_quake_CCREQ_SERVER_INFO
 396                         (next_tvb, control_tree);
 397                 break;
 398                 case CCREQ_PLAYER_INFO:
 399                         dissect_quake_CCREQ_PLAYER_INFO
 400                         (next_tvb, control_tree);
 401                 break;
 402                 case CCREQ_RULE_INFO:
 403                         dissect_quake_CCREQ_RULE_INFO
 404                         (next_tvb, control_tree);
 405                 break;
 406                 case CCREP_ACCEPT:
 407                         dissect_quake_CCREP_ACCEPT
 408                         (next_tvb, pinfo, control_tree);
 409                 break;
 410                 case CCREP_REJECT:
 411                         dissect_quake_CCREP_REJECT
 412                         (next_tvb, control_tree);
 413                 break;
 414                 case CCREP_SERVER_INFO:
 415                         dissect_quake_CCREP_SERVER_INFO
 416                         (next_tvb, control_tree);
 417                 break;
 418                 case CCREP_PLAYER_INFO:
 419                         dissect_quake_CCREP_PLAYER_INFO
 420                         (next_tvb, control_tree);
 421                 break;
 422                 case CCREP_RULE_INFO:
 423                         dissect_quake_CCREP_RULE_INFO
 424                         (next_tvb, control_tree);
 425                 break;
 426                 default:
 427                         call_dissector(data_handle,next_tvb, pinfo, control_tree);
 428                 break;
 429         }
 430 }
 431
 432
 433 static void
 434 dissect_quake(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 435 {
 436         proto_tree      *quake_tree = NULL;
 437         proto_item      *quake_item = NULL;
 438         guint32         length;
 439         guint32         flags;
 440         guint32         sequence = 0;
 441         guint           rest_length;
 442         tvbuff_t        *next_tvb;
 443
 444         if (check_col(pinfo->cinfo, COL_PROTOCOL))
 445                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "QUAKE");
 446         if (check_col(pinfo->cinfo, COL_INFO))
 447                 col_clear(pinfo->cinfo, COL_INFO);
 448
 449         length = tvb_get_ntohl(tvb, 0);
 450         flags = length & (~NETFLAG_LENGTH_MASK);
 451         length &= NETFLAG_LENGTH_MASK;
 452
 453         if (tree) {
 454                 quake_item = proto_tree_add_item(tree, proto_quake,
 455                                 tvb, 0, -1, FALSE);
 456                 if (quake_item)
 457                         quake_tree = proto_item_add_subtree(quake_item, ett_quake);
 458         }
 459
 460         if (quake_tree) {
 461                 proto_item* flags_item = NULL;
 462                 proto_tree* flags_tree = NULL;
 463
 464                 flags_item = proto_tree_add_uint(quake_tree, hf_quake_header_flags,
 465                         tvb, 0, 2, flags);
 466                 if (flags_item) {
 467                         flags_tree = proto_item_add_subtree(flags_item, ett_quake_flags);
 468                 }
 469
 470                 if (flags_tree) {
 471                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 472                                 decode_boolean_bitfield(flags, NETFLAG_DATA, 32,
 473                                 "Data","-"));
 474                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 475                                 decode_boolean_bitfield(flags, NETFLAG_ACK, 32,
 476                                 "Acknowledgment","-"));
 477                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 478                                 decode_boolean_bitfield(flags, NETFLAG_NAK, 32,
 479                                 "No Acknowledgment","-"));
 480                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 481                                 decode_boolean_bitfield(flags, NETFLAG_EOM, 32,
 482                                 "End Of Message","-"));
 483                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 484                                 decode_boolean_bitfield(flags, NETFLAG_UNRELIABLE, 32,
 485                                 "Unreliable","-"));
 486                         proto_tree_add_text(flags_tree, tvb, 0, 2,
 487                                 decode_boolean_bitfield(flags, NETFLAG_CTL, 32,
 488                                 "Control","-"));
 489                 }
 490                 proto_tree_add_uint(quake_tree, hf_quake_header_length,
 491                         tvb, 2, 2, length);
 492         }
 493
 494         if (flags == NETFLAG_CTL) {
 495                 rest_length = tvb_reported_length(tvb) - 4;
 496                 next_tvb = tvb_new_subset(tvb, 4, rest_length , rest_length);
 497                 dissect_quake_control(next_tvb, pinfo, quake_tree);
 498                 return;
 499         }
 500
 501         sequence = tvb_get_ntohl(tvb, 4);
 502         if (check_col(pinfo->cinfo, COL_INFO)) {
 503                 col_add_fstr(pinfo->cinfo, COL_INFO, "seq 0x%x", sequence);
 504         }
 505         if (quake_tree) {
 506                 proto_tree_add_uint(quake_tree, hf_quake_header_sequence,
 507                         tvb, 4, 4, sequence);
 508         }
 509
 510         rest_length = tvb_reported_length(tvb) - 8;
 511         next_tvb = tvb_new_subset(tvb, 8, rest_length , rest_length);
 512         call_dissector(data_handle,next_tvb, pinfo, quake_tree);
 513 }
 514
 515
 516 void
 517 proto_reg_handoff_quake(void)
 518 {
 519         static int Initialized=FALSE;
 520         static int ServerPort=0;
 521
 522         if (Initialized) {
 523                 dissector_delete("udp.port", ServerPort, quake_handle);
 524         } else {
 525                 Initialized=TRUE;
 526         }
 527
 528         /* set port for future deletes */
 529         ServerPort=gbl_quakeServerPort;
 530
 531         dissector_add("udp.port", gbl_quakeServerPort, quake_handle);
 532         data_handle = find_dissector("data");
 533 }
 534
 535
 536 void
 537 proto_register_quake(void)
 538 {
 539   static hf_register_info hf[] = {
 540     { &hf_quake_header_flags,
 541       { "Flags", "quake.header.flags",
 542         FT_UINT16, BASE_HEX, NULL, 0x0,
 543         "Flags", HFILL }},
 544     { &hf_quake_header_length,
 545       { "Length", "quake.header.length",
 546         FT_UINT16, BASE_DEC, NULL, 0x0,
 547         "full data length", HFILL }},
 548     { &hf_quake_header_sequence,
 549       { "Sequence", "quake.header.sequence",
 550         FT_UINT32, BASE_HEX, NULL, 0x0,
 551         "Sequence Number", HFILL }},
 552     { &hf_quake_control_command,
 553       { "Command", "quake.control.command",
 554         FT_UINT8, BASE_HEX, VALS(names_control_command), 0x0,
 555         "Control Command", HFILL }},
 556     { &hf_quake_CCREQ_CONNECT_game,
 557       { "Game", "quake.control.connect.game",
 558         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 559         "Game Name", HFILL }},
 560     { &hf_quake_CCREQ_CONNECT_version,
 561       { "Version", "quake.control.connect.version",
 562         FT_UINT8, BASE_DEC, NULL, 0x0,
 563         "Game Protocol Version Number", HFILL }},
 564     { &hf_quake_CCREQ_SERVER_INFO_game,
 565       { "Game", "quake.control.server_info.game",
 566         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 567         "Game Name", HFILL }},
 568     { &hf_quake_CCREQ_SERVER_INFO_version,
 569       { "Version", "quake.control.server_info.version",
 570         FT_UINT8, BASE_DEC, NULL, 0x0,
 571         "Game Protocol Version Number", HFILL }},
 572     { &hf_quake_CCREQ_PLAYER_INFO_player,
 573       { "Player", "quake.control.player_info.player",
 574         FT_UINT8, BASE_DEC, NULL, 0x0,
 575         "Player", HFILL }},
 576     { &hf_quake_CCREQ_RULE_INFO_lastrule,
 577       { "Last Rule", "quake.control.rule_info.lastrule",
 578         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 579         "Last Rule Name", HFILL }},
 580     { &hf_quake_CCREP_ACCEPT_port,
 581       { "Port", "quake.control.accept.port",
 582         FT_UINT32, BASE_DEC, NULL, 0x0,
 583         "Game Data Port", HFILL }},
 584     { &hf_quake_CCREP_REJECT_reason,
 585       { "Reason", "quake.control.reject.reason",
 586         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 587         "Reject Reason", HFILL }},
 588     { &hf_quake_CCREP_SERVER_INFO_address,
 589       { "Address", "quake.control.server_info.address",
 590         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 591         "Server Address", HFILL }},
 592     { &hf_quake_CCREP_SERVER_INFO_server,
 593       { "Server", "quake.control.server_info.server",
 594         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 595         "Server Name", HFILL }},
 596     { &hf_quake_CCREP_SERVER_INFO_map,
 597       { "Map", "quake.control.server_info.map",
 598         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 599         "Map Name", HFILL }},
 600     { &hf_quake_CCREP_SERVER_INFO_num_player,
 601       { "Number of Players", "quake.control.server_info.num_player",
 602         FT_UINT8, BASE_DEC, NULL, 0x0,
 603         "Current Number of Players", HFILL }},
 604     { &hf_quake_CCREP_SERVER_INFO_max_player,
 605       { "Maximal Number of Players", "quake.control.server_info.max_player",
 606         FT_UINT8, BASE_DEC, NULL, 0x0,
 607         "Maximal Number of Players", HFILL }},
 608     { &hf_quake_CCREP_PLAYER_INFO_name,
 609       { "Name", "quake.control.player_info.name",
 610         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 611         "Player Name", HFILL }},
 612     { &hf_quake_CCREP_PLAYER_INFO_colors,
 613       { "Colors", "quake.control.player_info.colors",
 614         FT_UINT32, BASE_HEX, NULL, 0x0,
 615         "Player Colors", HFILL }},
 616     { &hf_quake_CCREP_PLAYER_INFO_colors_shirt,
 617       { "Shirt", "quake.control.player_info.colors.shirt",
 618         FT_UINT8, BASE_DEC, VALS(names_colors), 0x0,
 619         "Shirt Color", HFILL }},
 620     { &hf_quake_CCREP_PLAYER_INFO_colors_pants,
 621       { "Pants", "quake.control.player_info.colors.pants",
 622         FT_UINT8, BASE_DEC, VALS(names_colors), 0x0,
 623         "Pants Color", HFILL }},
 624     { &hf_quake_CCREP_PLAYER_INFO_frags,
 625       { "Frags", "quake.control.player_info.frags",
 626         FT_UINT32, BASE_DEC, NULL, 0x0,
 627         "Player Frags", HFILL }},
 628     { &hf_quake_CCREP_PLAYER_INFO_connect_time,
 629       { "Connect Time", "quake.control.player_info.connect_time",
 630         FT_UINT32, BASE_DEC, NULL, 0x0,
 631         "Player Connect Time", HFILL }},
 632     { &hf_quake_CCREP_PLAYER_INFO_address,
 633       { "Address", "quake.control.player_info.address",
 634         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 635         "Player Address", HFILL }},
 636     { &hf_quake_CCREP_RULE_INFO_rule,
 637       { "Rule", "quake.control.rule_info.rule",
 638         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 639         "Rule Name", HFILL }},
 640     { &hf_quake_CCREP_RULE_INFO_value,
 641       { "Value", "quake.control.rule_info.value",
 642         FT_STRINGZ, BASE_NONE, NULL, 0x0,
 643         "Rule Value", HFILL }},
 644   };
 645         static gint *ett[] = {
 646                 &ett_quake,
 647                 &ett_quake_control,
 648                 &ett_quake_control_colors,
 649                 &ett_quake_flags,
 650         };
 651         module_t *quake_module;
 652
 653         proto_quake = proto_register_protocol("Quake Network Protocol",
 654                                         "QUAKE", "quake");
 655         proto_register_field_array(proto_quake, hf, array_length(hf));
 656         proto_register_subtree_array(ett, array_length(ett));
 657
 658         quake_handle = create_dissector_handle(dissect_quake, proto_quake);
 659
 660         /* Register a configuration option for port */
 661         quake_module = prefs_register_protocol(proto_quake,
 662                 proto_reg_handoff_quake);
 663         prefs_register_uint_preference(quake_module, "udp.port",
 664                                         "Quake Server UDP Port",
 665                                         "Set the UDP port for the Quake Server",
 666                                         10, &gbl_quakeServerPort);
 667 }