epan/dissectors/packet-quake3.c

   1 /* packet-quake3.c
   2  * Routines for Quake III Arena packet dissection
   3  *
   4  * Uwe Girlich <uwe@planetquake.com>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * Copied from packet-quake2.c
  11  *
  12  * SPDX-License-Identifier: GPL-2.0-or-later
  13  */
  14
  15
  16 /*
  17         All informations used in this decoding were gathered from
  18         * some own captures of a private server,
  19         * the "Server commands howto" document written by id Software
  20                 (http://www.quake3arena.com/tech/ServerCommandsHowto.html)
  21         * source code of the game server browser tool qstat
  22                 (http://www.qstat.org).
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <epan/packet.h>
  29 #include <epan/prefs.h>
  30 #include <epan/addr_resolv.h>
  31
  32 void proto_register_quake3(void);
  33 static dissector_handle_t quake3_handle;
  34 static int proto_quake3;
  35
  36 static int hf_quake3_direction;
  37 static int hf_quake3_connectionless;
  38 static int hf_quake3_game;
  39 static int hf_quake3_connectionless_marker;
  40 static int hf_quake3_connectionless_text;
  41 static int hf_quake3_connectionless_command;
  42 static int hf_quake3_server_addr;
  43 static int hf_quake3_server_port;
  44 static int hf_quake3_game_seq1;
  45 static int hf_quake3_game_rel1;
  46 static int hf_quake3_game_seq2;
  47 static int hf_quake3_game_rel2;
  48 static int hf_quake3_game_qport;
  49
  50 static int ett_quake3;
  51 static int ett_quake3_connectionless;
  52 static int ett_quake3_connectionless_text;
  53 static int ett_quake3_server;
  54 static int ett_quake3_game;
  55 static int ett_quake3_game_seq1;
  56 static int ett_quake3_game_seq2;
  57 static int ett_quake3_game_clc;
  58 static int ett_quake3_game_svc;
  59
  60 #define QUAKE3_SERVER_PORT 27960
  61 #define QUAKE3_MASTER_PORT 27950
  62 static unsigned gbl_quake3_server_port=QUAKE3_SERVER_PORT;
  63 static unsigned gbl_quake3_master_port=QUAKE3_MASTER_PORT;
  64
  65
  66 static const value_string names_direction[] = {
  67 #define DIR_UNKNOWN 0
  68         { DIR_UNKNOWN, "Unknown" },
  69 #define DIR_C2S 1
  70         { DIR_C2S, "Client to Server" },
  71 #define DIR_S2C 2
  72         { DIR_S2C, "Server to Client" },
  73 #define DIR_C2M 3
  74         { DIR_C2M, "Client to Master" },
  75 #define DIR_M2C 4
  76         { DIR_M2C, "Master to Client" },
  77         { 0, NULL }
  78 };
  79
  80
  81 #define string_starts_with(s1, s2) (strncmp((s1), (s2), strlen(s2)) == 0)
  82
  83
  84 static const value_string names_command[] = {
  85 #define COMMAND_UNKNOWN                 0
  86         { COMMAND_UNKNOWN,              "Unknown" },
  87 #define COMMAND_statusResponse          1
  88         { COMMAND_statusResponse,       "Reply Status" },
  89 #define COMMAND_getstatus               2
  90         { COMMAND_getstatus,            "Request Status" },
  91 #define COMMAND_infoResponse            3
  92         { COMMAND_infoResponse,         "Reply Info" },
  93 #define COMMAND_getinfo                 4
  94         { COMMAND_getinfo,              "Request Info" },
  95 #define COMMAND_challengeResponse       5
  96         { COMMAND_challengeResponse,    "Reply Challenge" },
  97 #define COMMAND_getchallenge            6
  98         { COMMAND_getchallenge,         "Request Challenge" },
  99 #define COMMAND_connectResponse         7
 100         { COMMAND_connectResponse,      "Reply Connect" },
 101 #define COMMAND_connect                 8
 102         { COMMAND_connect,              "Request Connect" },
 103 #define COMMAND_rconResponse            9
 104         { COMMAND_rconResponse,         "Reply Remote Command" },
 105 #define COMMAND_rcon                    10
 106         { COMMAND_rcon,                 "Request Remote Command" },
 107 #define COMMAND_getmotdResponse         11
 108         { COMMAND_getmotdResponse,      "Reply Motto of the Day" },
 109 #define COMMAND_getmotd                 12
 110         { COMMAND_getmotd,              "Request Motto of the Day" },
 111 #define COMMAND_getserversResponse      13
 112         { COMMAND_getserversResponse,   "Reply Servers" },
 113 #define COMMAND_getservers              14
 114         { COMMAND_getservers,           "Request Servers" },
 115 #define COMMAND_getKeyAuthorize         15
 116         { COMMAND_getKeyAuthorize,      "Request Key Authorization" },
 117 #define COMMAND_getIpAuthorize          16
 118         { COMMAND_getIpAuthorize,       "Request IP Authorization" },
 119 #define COMMAND_ipAuthorize             17
 120         { COMMAND_ipAuthorize,          "Reply IP Authorization" },
 121         { 0, NULL }
 122 };
 123
 124
 125 static void
 126 dissect_quake3_ConnectionlessPacket(tvbuff_t *tvb, packet_info *pinfo _U_,
 127         proto_tree *tree, int* direction)
 128 {
 129         proto_tree      *cl_tree;
 130         proto_item      *text_item = NULL;
 131         proto_tree      *text_tree = NULL;
 132         uint8_t         *text;
 133         int             len;
 134         int             offset;
 135         uint32_t                marker;
 136         int             command;
 137         int             command_len;
 138         bool    command_finished = false;
 139
 140         cl_tree = proto_tree_add_subtree(tree, tvb,
 141                         0, -1, ett_quake3_connectionless, NULL, "Connectionless");
 142
 143         marker = tvb_get_ntohl(tvb, 0);
 144         proto_tree_add_uint(cl_tree, hf_quake3_connectionless_marker,
 145                                 tvb, 0, 4, marker);
 146
 147         /* all the rest of the packet is just text */
 148         offset = 4;
 149
 150         /*
 151          * XXX - is there ever more than one null-terminated string in
 152          * the packet?
 153          *
 154          * XXX - is the string guaranteed to be null-terminated (so
 155          * that if there's no NUL at the end, it's an error)?
 156          *
 157          * XXX - are non-ASCII characters supported and, if so, what
 158          * encoding is used for them?
 159          */
 160         text = tvb_get_stringz_enc(pinfo->pool, tvb, offset, &len, ENC_ASCII|ENC_NA);
 161         if (cl_tree) {
 162                 text_item = proto_tree_add_string(cl_tree,
 163                                 hf_quake3_connectionless_text,
 164                                 tvb, offset, len, text);
 165                 text_tree = proto_item_add_subtree(text_item, ett_quake3_connectionless_text);
 166         }
 167
 168         command = COMMAND_UNKNOWN;
 169         command_len = 0;
 170
 171         if (strncmp(text, "statusResponse", 14) == 0) {
 172                 command = COMMAND_statusResponse;
 173                 *direction = DIR_S2C;
 174                 command_len = 14;
 175         }
 176         else if (strncmp(text, "getstatus", 9) == 0) {
 177                 command = COMMAND_getstatus;
 178                 *direction = DIR_C2S;
 179                 command_len = 9;
 180         }
 181         else if (strncmp(text, "infoResponse", 12) == 0) {
 182                 command = COMMAND_infoResponse;
 183                 *direction = DIR_S2C;
 184                 command_len = 12;
 185         }
 186         else if (strncmp(text, "getinfo", 7) == 0) {
 187                 command = COMMAND_getinfo;
 188                 *direction = DIR_C2S;
 189                 command_len = 7;
 190         }
 191         else if (strncmp(text, "challengeResponse", 17) == 0) {
 192                 command = COMMAND_challengeResponse;
 193                 *direction = DIR_S2C;
 194                 command_len = 17;
 195         }
 196         else if (strncmp(text, "getchallenge", 12) == 0) {
 197                 command = COMMAND_getchallenge;
 198                 *direction = DIR_C2S;
 199                 command_len = 12;
 200         }
 201         else if (strncmp(text, "connectResponse", 15) == 0) {
 202                 command = COMMAND_connectResponse;
 203                 *direction = DIR_S2C;
 204                 command_len = 15;
 205         }
 206         else if (strncmp(text, "connect", 7) == 0) {
 207                 command = COMMAND_connect;
 208                 *direction = DIR_C2S;
 209                 command_len = 7;
 210         }
 211         else if (strncmp(text, "rconResponse", 12) == 0) {
 212                 command = COMMAND_rconResponse;
 213                 *direction = DIR_S2C;
 214                 command_len = 12;
 215         }
 216         else if (strncmp(text, "rcon", 4) == 0) {
 217                 command = COMMAND_rcon;
 218                 *direction = DIR_C2S;
 219                 command_len = 4;
 220         }
 221         else if (strncmp(text, "getmotdResponse", 15) == 0) {
 222                 command = COMMAND_getmotdResponse;
 223                 *direction = DIR_M2C;
 224                 command_len = 15;
 225         }
 226         else if (strncmp(text, "getmotd", 7) == 0) {
 227                 command = COMMAND_getmotd;
 228                 *direction = DIR_C2M;
 229                 command_len = 7;
 230         }
 231         else if (strncmp(text, "getserversResponse", 18) == 0) {
 232                 int base;
 233                 command = COMMAND_getserversResponse;
 234                 *direction = DIR_M2C;
 235                 command_len = 18;
 236                 /* The data can contain 0's, and the text string is binary
 237                 anyway, so better replace the text string after the first
 238                 \ with "<DATA>". */
 239                 if (text_item) {
 240                         /* first correct the length until the end of the packet */
 241                         proto_item_set_len(text_item, tvb_captured_length_remaining(tvb, offset));
 242                         /* then replace the text */
 243                         proto_item_set_text(text_item, "Text: getserversResponse<DATA>");
 244                 }
 245                 if (text_tree)
 246                         proto_tree_add_string(text_tree, hf_quake3_connectionless_command,
 247                                         tvb, offset, command_len,
 248                                         val_to_str_const(command, names_command, "Unknown"));
 249                 command_finished = true;
 250
 251                 /* now we decode all the rest */
 252                 base = offset + 18;
 253                 /* '/', ip-address in network order, port in network order */
 254                 while (tvb_reported_length_remaining(tvb, base) >= 7) {
 255                         uint32_t                ip_addr;
 256                         uint16_t                udp_port;
 257
 258                         ip_addr = tvb_get_ipv4(tvb, base + 1);
 259                         udp_port = tvb_get_ntohs(tvb, base + 5);
 260
 261                         /* It may be a good idea to create a conversation for
 262                                 every server in this list, as we'll see at
 263                                 least a getinfo request to each of them and they
 264                                 may run on totally unusual ports.  */
 265
 266                         if (text_tree) {
 267                                 proto_tree *server_tree;
 268                                 server_tree = proto_tree_add_subtree_format(text_tree,
 269                                         tvb, base, 7,
 270                                         ett_quake3_server, NULL, "Server: %s:%u",
 271                                                 get_hostname(ip_addr),
 272                                                 udp_port);
 273                                 proto_tree_add_ipv4(server_tree, hf_quake3_server_addr,
 274                                                     tvb, base + 1, 4, ip_addr);
 275                                 proto_tree_add_uint(server_tree, hf_quake3_server_port,
 276                                                     tvb, base + 5, 2, udp_port);
 277                         }
 278
 279                         base += 7;
 280                 }
 281         }
 282         else if (strncmp(text, "getservers", 10) == 0) {
 283                 command = COMMAND_getservers;
 284                 *direction = DIR_C2M;
 285                 command_len = 10;
 286         }
 287         else if (strncmp(text, "getKeyAuthorize", 15) == 0) {
 288                 command = COMMAND_getKeyAuthorize;
 289                 *direction = DIR_C2M;
 290                 command_len = 15;
 291         }
 292         else if (strncmp(text, "getIpAuthorize", 14) == 0) {
 293                 command = COMMAND_getIpAuthorize;
 294                 *direction = DIR_C2M;
 295                 command_len = 14;
 296         }
 297         else if (strncmp(text, "ipAuthorize", 11) == 0) {
 298                 command = COMMAND_ipAuthorize;
 299                 *direction = DIR_M2C;
 300                 command_len = 11;
 301         }
 302         else {
 303                 *direction = DIR_UNKNOWN;
 304         }
 305
 306         if (text_tree && command_finished == false) {
 307                 proto_tree_add_string(text_tree, hf_quake3_connectionless_command,
 308                                         tvb, offset, command_len,
 309                                         val_to_str_const(command, names_command, "Unknown"));
 310         }
 311
 312         /*offset += len;*/
 313
 314 }
 315
 316
 317 static void
 318 dissect_quake3_client_commands(tvbuff_t *tvb, packet_info *pinfo,
 319         proto_tree *tree)
 320 {
 321         /* this shouldn't be too difficult */
 322         call_data_dissector(tvb, pinfo, tree);
 323 }
 324
 325
 326 static void
 327 dissect_quake3_server_commands(tvbuff_t *tvb, packet_info *pinfo,
 328         proto_tree *tree)
 329 {
 330         /* It is totally forbidden to decode this any further,
 331         I won't do it. */
 332         call_data_dissector(tvb, pinfo, tree);
 333 }
 334
 335
 336 static const value_string names_reliable[] = {
 337         { 0, "Non Reliable" },
 338         { 1, "Reliable" },
 339         { 0, NULL }
 340 };
 341
 342
 343 static void
 344 dissect_quake3_GamePacket(tvbuff_t *tvb, packet_info *pinfo,
 345         proto_tree *tree, int *direction)
 346 {
 347         proto_tree      *game_tree;
 348         uint32_t                seq1;
 349         uint32_t                seq2;
 350         int             rel1;
 351         int             rel2;
 352         int             offset;
 353         unsigned                rest_length;
 354
 355         *direction = (pinfo->destport == gbl_quake3_server_port) ?
 356                         DIR_C2S : DIR_S2C;
 357
 358         game_tree = proto_tree_add_subtree(tree, tvb, 0, -1, ett_quake3_game, NULL, "Game");
 359
 360         offset = 0;
 361
 362         seq1 = tvb_get_letohs(tvb, offset);
 363         rel1 = seq1 & 0x8000 ? 1 : 0;
 364         seq1 &= ~0x8000;
 365         if (game_tree) {
 366                 proto_tree *seq1_tree = proto_tree_add_subtree_format(game_tree,
 367                         tvb, offset, 2, ett_quake3_game_seq1, NULL, "Current Sequence: %u (%s)",
 368                         seq1, val_to_str(rel1,names_reliable,"%u"));
 369                 proto_tree_add_uint(seq1_tree, hf_quake3_game_seq1,
 370                                     tvb, offset, 2, seq1);
 371                 proto_tree_add_boolean(seq1_tree, hf_quake3_game_rel1,
 372                                        tvb, offset+1, 1, rel1);
 373         }
 374         offset += 2;
 375
 376         seq2 = tvb_get_letohs(tvb, offset);
 377         rel2 = seq2 & 0x8000 ? 1 : 0;
 378         seq2 &= ~0x8000;
 379         if (game_tree) {
 380                 proto_tree *seq2_tree = proto_tree_add_subtree_format(game_tree,
 381                         tvb, offset, 2, ett_quake3_game_seq2, NULL, "Acknowledge Sequence: %u (%s)",
 382                         seq2, val_to_str(rel2,names_reliable,"%u"));
 383                 proto_tree_add_uint(seq2_tree, hf_quake3_game_seq2,
 384                                     tvb, offset, 2, seq2);
 385                 proto_tree_add_boolean(seq2_tree, hf_quake3_game_rel2,
 386                                        tvb, offset+1, 1, rel2);
 387         }
 388         offset += 2;
 389
 390         if (*direction == DIR_C2S) {
 391                 /* client to server */
 392                 uint16_t qport = tvb_get_letohs(tvb, offset);
 393                 if (game_tree) {
 394                         proto_tree_add_uint(game_tree, hf_quake3_game_qport,
 395                                 tvb, offset, 2, qport);
 396                 }
 397                 offset +=2;
 398         }
 399
 400         /* all the rest is pure game data */
 401         rest_length = tvb_reported_length(tvb) - offset;
 402         if (rest_length) {
 403                 tvbuff_t *next_tvb = tvb_new_subset_remaining(tvb, offset);
 404                 proto_tree *c_tree;
 405
 406                 if (*direction == DIR_C2S) {
 407                         c_tree = proto_tree_add_subtree(game_tree, next_tvb,
 408                                                              0, -1, ett_quake3_game_clc, NULL, "Client Commands");
 409
 410                         dissect_quake3_client_commands(next_tvb, pinfo, c_tree);
 411                 }
 412                 else {
 413                         c_tree = proto_tree_add_subtree(game_tree, next_tvb,
 414                                                              0, -1, ett_quake3_game_svc, NULL, "Server Commands");
 415
 416                         dissect_quake3_server_commands(next_tvb, pinfo, c_tree);
 417                 }
 418         }
 419 }
 420
 421
 422 static int
 423 dissect_quake3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
 424 {
 425         proto_tree      *quake3_tree = NULL;
 426         proto_item      *dir_item = NULL;
 427         int             direction;
 428
 429         direction = DIR_UNKNOWN;
 430
 431         col_set_str(pinfo->cinfo, COL_PROTOCOL, "QUAKE3");
 432
 433         if (tree) {
 434                 proto_item *quake3_item;
 435                 quake3_item = proto_tree_add_item(tree, proto_quake3,
 436                                 tvb, 0, -1, ENC_NA);
 437                 quake3_tree = proto_item_add_subtree(quake3_item, ett_quake3);
 438
 439                 dir_item = proto_tree_add_none_format(
 440                         quake3_tree,
 441                         hf_quake3_direction, tvb, 0, 0,
 442                         "Direction: %s",
 443                         val_to_str(direction,
 444                                    names_direction, "%u"));
 445         }
 446
 447         if (tvb_get_ntohl(tvb, 0) == 0xffffffff) {
 448                 col_set_str(pinfo->cinfo, COL_INFO, "Connectionless ");
 449                 proto_tree_add_uint_format(quake3_tree,
 450                                 hf_quake3_connectionless,
 451                                 tvb, 0, 0, 1,
 452                                 "Type: Connectionless");
 453                 dissect_quake3_ConnectionlessPacket(
 454                         tvb, pinfo, quake3_tree, &direction);
 455         }
 456         else {
 457                 col_set_str(pinfo->cinfo, COL_INFO, "Game ");
 458                 proto_tree_add_uint_format(quake3_tree,
 459                                 hf_quake3_game,
 460                                 tvb, 0, 0, 1,
 461                                 "Type: Game");
 462                 dissect_quake3_GamePacket(
 463                         tvb, pinfo, quake3_tree, &direction);
 464         }
 465         if (direction != DIR_UNKNOWN && dir_item)
 466                 proto_item_set_text(dir_item,
 467                                         "Direction: %s",
 468                                         val_to_str(direction,
 469                                                 names_direction, "%u"));
 470
 471         col_append_str(pinfo->cinfo, COL_INFO, val_to_str(direction,
 472                         names_direction, "%u"));
 473         return tvb_captured_length(tvb);
 474 }
 475
 476
 477 void proto_reg_handoff_quake3(void);
 478
 479 void
 480 proto_register_quake3(void)
 481 {
 482         static hf_register_info hf[] = {
 483                 { &hf_quake3_direction,
 484                         { "Direction", "quake3.direction",
 485                         FT_NONE, BASE_NONE, NULL, 0x0,
 486                         "Packet Direction", HFILL }},
 487                 { &hf_quake3_connectionless,
 488                         { "Connectionless", "quake3.connectionless",
 489                         FT_UINT32, BASE_DEC, NULL, 0x0,
 490                         NULL, HFILL }},
 491                 { &hf_quake3_game,
 492                         { "Game", "quake3.game",
 493                         FT_UINT32, BASE_DEC, NULL, 0x0,
 494                         NULL, HFILL }},
 495                 { &hf_quake3_connectionless_marker,
 496                         { "Marker", "quake3.connectionless.marker",
 497                         FT_UINT32, BASE_HEX, NULL, 0x0,
 498                         NULL, HFILL }},
 499                 { &hf_quake3_connectionless_text,
 500                         { "Text", "quake3.connectionless.text",
 501                         FT_STRING, BASE_NONE, NULL, 0x0,
 502                         NULL, HFILL }},
 503                 { &hf_quake3_connectionless_command,
 504                         { "Command", "quake3.connectionless.command",
 505                         FT_STRING, BASE_NONE, NULL, 0x0,
 506                         NULL, HFILL }},
 507                 { &hf_quake3_server_addr,
 508                         { "Server Address", "quake3.server.addr",
 509                         FT_IPv4, BASE_NONE, NULL, 0x0,
 510                         "Server IP Address", HFILL }},
 511                 { &hf_quake3_server_port,
 512                         { "Server Port", "quake3.server.port",
 513                         FT_UINT16, BASE_DEC, NULL, 0x0,
 514                         "Server UDP Port", HFILL }},
 515                 { &hf_quake3_game_seq1,
 516                         { "Sequence Number", "quake3.game.seq1",
 517                         FT_UINT32, BASE_DEC, NULL, 0x0,
 518                         "Sequence number of the current packet", HFILL }},
 519                 { &hf_quake3_game_rel1,
 520                         { "Reliable", "quake3.game.rel1",
 521                         FT_BOOLEAN, BASE_NONE, NULL, 0x0,
 522                         "Packet is reliable and may be retransmitted", HFILL }},
 523                 { &hf_quake3_game_seq2,
 524                         { "Sequence Number", "quake3.game.seq2",
 525                         FT_UINT32, BASE_DEC, NULL, 0x0,
 526                         "Sequence number of the last received packet", HFILL }},
 527                 { &hf_quake3_game_rel2,
 528                         { "Reliable", "quake3.game.rel2",
 529                         FT_BOOLEAN, BASE_NONE, NULL, 0x0,
 530                         "Packet was reliable and may be retransmitted", HFILL }},
 531                 { &hf_quake3_game_qport,
 532                         { "QPort", "quake3.game.qport",
 533                         FT_UINT32, BASE_DEC, NULL, 0x0,
 534                         "Quake III Arena Client Port", HFILL }}
 535         };
 536         static int *ett[] = {
 537                 &ett_quake3,
 538                 &ett_quake3_connectionless,
 539                 &ett_quake3_connectionless_text,
 540                 &ett_quake3_server,
 541                 &ett_quake3_game,
 542                 &ett_quake3_game_seq1,
 543                 &ett_quake3_game_seq2,
 544                 &ett_quake3_game_clc,
 545                 &ett_quake3_game_svc
 546         };
 547         module_t *quake3_module;
 548
 549         proto_quake3 = proto_register_protocol("Quake III Arena Network Protocol", "QUAKE3", "quake3");
 550         proto_register_field_array(proto_quake3, hf, array_length(hf));
 551         proto_register_subtree_array(ett, array_length(ett));
 552
 553         /* Register the dissector handle */
 554         quake3_handle = register_dissector("quake3", dissect_quake3, proto_quake3);
 555
 556         /* Register a configuration option for port */
 557         quake3_module = prefs_register_protocol(proto_quake3, proto_reg_handoff_quake3);
 558         prefs_register_uint_preference(quake3_module, "udp.arena_port",
 559                                         "Quake III Arena Server UDP Base Port",
 560                                         "Set the UDP base port for the Quake III Arena Server",
 561                                         10, &gbl_quake3_server_port);
 562         prefs_register_uint_preference(quake3_module, "udp.master_port",
 563                                         "Quake III Arena Master Server UDP Base Port",
 564                                         "Set the UDP base port for the Quake III Arena Master Server",
 565                                         10, &gbl_quake3_master_port);
 566 }
 567
 568
 569 void
 570 proto_reg_handoff_quake3(void)
 571 {
 572         static bool initialized=false;
 573         static unsigned server_port;
 574         static unsigned master_port;
 575         int i;
 576
 577         if (!initialized) {
 578                 initialized=true;
 579         } else {
 580                 for (i=0;i<4;i++)
 581                         dissector_delete_uint("udp.port", server_port+i, quake3_handle);
 582                 for (i=0;i<4;i++)
 583                         dissector_delete_uint("udp.port", master_port+i, quake3_handle);
 584         }
 585
 586         /* set port for future deletes */
 587         server_port = gbl_quake3_server_port;
 588         master_port = gbl_quake3_master_port;
 589
 590         /* add dissectors. Port preference names to specific to use "auto" */
 591         for (i=0;i<4;i++)
 592                 dissector_add_uint("udp.port", gbl_quake3_server_port + i,
 593                         quake3_handle);
 594         for (i=0;i<4;i++)
 595                 dissector_add_uint("udp.port", gbl_quake3_master_port + i,
 596                         quake3_handle);
 597 }
 598
 599 /*
 600  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 601  *
 602  * Local variables:
 603  * c-basic-offset: 8
 604  * tab-width: 8
 605  * indent-tabs-mode: t
 606  * End:
 607  *
 608  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 609  * :indentSize=8:tabSize=8:noTabs=false:
 610  */