873 lines
24 KiB
C
873 lines
24 KiB
C
/* packet-quakeworld.c
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* Routines for QuakeWorld packet dissection
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*
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* Uwe Girlich <uwe@planetquake.com>
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* http://www.idsoftware.com/q1source/q1source.zip
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-quake.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/strutil.h>
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static int proto_quakeworld = -1;
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static int hf_quakeworld_s2c = -1;
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static int hf_quakeworld_c2s = -1;
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static int hf_quakeworld_connectionless = -1;
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static int hf_quakeworld_game = -1;
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static int hf_quakeworld_connectionless_marker = -1;
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static int hf_quakeworld_connectionless_text = -1;
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static int hf_quakeworld_connectionless_command = -1;
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static int hf_quakeworld_connectionless_arguments = -1;
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static int hf_quakeworld_connectionless_connect_version = -1;
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static int hf_quakeworld_connectionless_connect_qport = -1;
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static int hf_quakeworld_connectionless_connect_challenge = -1;
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static int hf_quakeworld_connectionless_connect_infostring = -1;
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static int hf_quakeworld_connectionless_connect_infostring_key_value = -1;
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static int hf_quakeworld_connectionless_connect_infostring_key = -1;
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static int hf_quakeworld_connectionless_connect_infostring_value = -1;
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static int hf_quakeworld_connectionless_rcon_password = -1;
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static int hf_quakeworld_connectionless_rcon_command = -1;
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static int hf_quakeworld_game_seq1 = -1;
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static int hf_quakeworld_game_rel1 = -1;
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static int hf_quakeworld_game_seq2 = -1;
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static int hf_quakeworld_game_rel2 = -1;
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static int hf_quakeworld_game_qport = -1;
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static gint ett_quakeworld = -1;
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static gint ett_quakeworld_connectionless = -1;
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static gint ett_quakeworld_connectionless_text = -1;
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static gint ett_quakeworld_connectionless_arguments = -1;
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static gint ett_quakeworld_connectionless_connect_infostring = -1;
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static gint ett_quakeworld_connectionless_connect_infostring_key_value = -1;
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static gint ett_quakeworld_game = -1;
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static gint ett_quakeworld_game_seq1 = -1;
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static gint ett_quakeworld_game_seq2 = -1;
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static gint ett_quakeworld_game_clc = -1;
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static gint ett_quakeworld_game_svc = -1;
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static dissector_handle_t data_handle;
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/*
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helper functions, they may ave to go somewhere else
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they are mostly copied without change from
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quakeworldsource/client/cmd.c
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quakeworldsource/client/common.c
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*/
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#define MAX_TEXT_SIZE 2048
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static char com_token[MAX_TEXT_SIZE+1];
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static int com_token_start;
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static int com_token_length;
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static char *
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COM_Parse (char *data)
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{
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int c;
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int len;
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len = 0;
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com_token[0] = '\0';
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com_token_start = 0;
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com_token_length = 0;
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if (data == NULL)
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return NULL;
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/* skip whitespace */
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skipwhite:
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while (TRUE) {
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c = *data;
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if (c == '\0')
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return NULL; /* end of file; */
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if ((c != ' ') && (!g_ascii_iscntrl(c)))
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break;
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data++;
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com_token_start++;
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}
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/* skip // comments */
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if ((c=='/') && (data[1]=='/')) {
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while (*data && *data != '\n')
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data++;
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com_token_start++;
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goto skipwhite;
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}
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/* handle quoted strings specially */
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if (c == '\"') {
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data++;
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com_token_start++;
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while (TRUE) {
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c = *data++;
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if ((c=='\"') || (c=='\0')) {
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com_token[len] = '\0';
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return data;
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}
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com_token[len] = c;
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len++;
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com_token_length++;
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}
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}
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/* parse a regular word */
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do {
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com_token[len] = c;
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data++;
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len++;
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com_token_length++;
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c = *data;
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} while (( c != ' ') && (!g_ascii_iscntrl(c)));
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com_token[len] = '\0';
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return data;
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}
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#define MAX_ARGS 80
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static int cmd_argc = 0;
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static char *cmd_argv[MAX_ARGS];
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static const char *cmd_null_string = "";
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static int cmd_argv_start[MAX_ARGS];
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static int cmd_argv_length[MAX_ARGS];
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static int
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Cmd_Argc(void)
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{
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return cmd_argc;
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}
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static const char*
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Cmd_Argv(int arg)
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{
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if ( arg >= cmd_argc )
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return cmd_null_string;
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return cmd_argv[arg];
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}
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static int
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Cmd_Argv_start(int arg)
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{
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if ( arg >= cmd_argc )
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return 0;
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return cmd_argv_start[arg];
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}
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static int
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Cmd_Argv_length(int arg)
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{
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if ( arg >= cmd_argc )
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return 0;
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return cmd_argv_length[arg];
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}
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static void
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Cmd_TokenizeString(char* text)
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{
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int i;
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int start;
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/* clear the args from the last string */
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for (i=0 ; i<cmd_argc ; i++)
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g_free(cmd_argv[i]);
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cmd_argc = 0;
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start = 0;
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while (TRUE) {
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/* skip whitespace up to a \n */
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while (*text && *text <= ' ' && *text != '\n') {
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text++;
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start++;
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}
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if (*text == '\n') {
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/* a newline seperates commands in the buffer */
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text++;
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break;
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}
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if (!*text)
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return;
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text = COM_Parse (text);
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if (!text)
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return;
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if (cmd_argc < MAX_ARGS) {
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cmd_argv[cmd_argc] = g_strdup(com_token);
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cmd_argv_start[cmd_argc] = start + com_token_start;
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cmd_argv_length[cmd_argc] = com_token_length;
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cmd_argc++;
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}
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start += com_token_start + com_token_length;
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}
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}
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static void
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dissect_id_infostring(tvbuff_t *tvb, proto_tree* tree,
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int offset, char* infostring,
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gint ett_key_value, int hf_key_value, int hf_key, int hf_value)
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{
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char *newpos = infostring;
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gboolean end_of_info = FALSE;
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/* to look at all the key/value pairs, we destroy infostring */
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while(!end_of_info) {
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char* keypos;
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char* valuepos;
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int keylength;
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char* keyvaluesep;
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int valuelength;
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char* valueend;
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keypos = newpos;
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if (*keypos == '\0') break;
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if (*keypos == '\\') keypos++;
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for (keylength = 0
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;
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*(keypos + keylength) != '\\' &&
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*(keypos + keylength) != '\0'
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;
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keylength++) ;
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keyvaluesep = keypos + keylength;
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if (*keyvaluesep == '\0') break;
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valuepos = keyvaluesep+1;
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for (valuelength = 0
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;
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*(valuepos + valuelength) != '\\' &&
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*(valuepos + valuelength) != '\0'
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;
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valuelength++) ;
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valueend = valuepos + valuelength;
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if (*valueend == '\0') {
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end_of_info = TRUE;
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}
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*(keyvaluesep) = '=';
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*(valueend) = '\0';
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if (tree) {
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proto_item* sub_item;
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proto_tree* sub_tree;
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sub_item = proto_tree_add_string(tree,
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hf_key_value,
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tvb,
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offset + (gint)(keypos-infostring),
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keylength + 1 + valuelength, keypos);
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sub_tree = proto_item_add_subtree(
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sub_item,
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ett_key_value);
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*(keyvaluesep) = '\0';
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proto_tree_add_string(sub_tree,
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hf_key,
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tvb,
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offset + (gint)(keypos-infostring),
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keylength, keypos);
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proto_tree_add_string(sub_tree,
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hf_value,
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tvb,
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offset + (gint)(valuepos-infostring),
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valuelength, valuepos);
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}
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newpos = valueend + 1;
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}
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}
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static const value_string names_direction[] = {
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#define DIR_C2S 0
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{ DIR_C2S, "Client to Server" },
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#define DIR_S2C 1
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{ DIR_S2C, "Server to Client" },
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{ 0, NULL }
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};
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/* I took this name and value directly out of the QW source. */
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#define PORT_MASTER 27500
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static guint gbl_quakeworldServerPort=PORT_MASTER;
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/* out of band message id bytes (taken out of quakeworldsource/client/protocol.h */
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/* M = master, S = server, C = client, A = any */
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/* the second character will allways be \n if the message isn't a single */
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/* byte long (?? not true anymore?) */
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#define S2C_CHALLENGE 'c'
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#define S2C_CONNECTION 'j'
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#define A2A_PING 'k' /* respond with an A2A_ACK */
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#define A2A_ACK 'l' /* general acknowledgement without info */
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#define A2A_NACK 'm' /* [+ comment] general failure */
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#define A2A_ECHO 'e' /* for echoing */
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#define A2C_PRINT 'n' /* print a message on client */
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#define S2M_HEARTBEAT 'a' /* + serverinfo + userlist + fraglist */
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#define A2C_CLIENT_COMMAND 'B' /* + command line */
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#define S2M_SHUTDOWN 'C'
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static void
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dissect_quakeworld_ConnectionlessPacket(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, int direction)
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{
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proto_tree *cl_tree = NULL;
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proto_tree *text_tree = NULL;
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guint8 text[MAX_TEXT_SIZE+1];
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int len;
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int offset;
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guint32 marker;
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int command_len;
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const char *command = "";
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gboolean command_finished = FALSE;
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marker = tvb_get_ntohl(tvb, 0);
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if (tree) {
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proto_item *cl_item;
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cl_item = proto_tree_add_text(tree, tvb, 0, -1, "Connectionless");
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cl_tree = proto_item_add_subtree(cl_item, ett_quakeworld_connectionless);
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proto_tree_add_uint(cl_tree, hf_quakeworld_connectionless_marker,
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tvb, 0, 4, marker);
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}
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/* all the rest of the packet is just text */
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offset = 4;
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len = tvb_get_nstringz0(tvb, offset, sizeof(text), text);
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/* actually, we should look for a eol char and stop already there */
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if (cl_tree) {
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proto_item *text_item;
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text_item = proto_tree_add_string(cl_tree, hf_quakeworld_connectionless_text,
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tvb, offset, len + 1, text);
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text_tree = proto_item_add_subtree(text_item, ett_quakeworld_connectionless_text);
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}
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if (direction == DIR_C2S) {
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/* client to server commands */
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const char *c;
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Cmd_TokenizeString(text);
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c = Cmd_Argv(0);
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/* client to sever commands */
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if (strcmp(c,"ping") == 0) {
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command = "Ping";
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command_len = 4;
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} else if (strcmp(c,"status") == 0) {
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command = "Status";
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command_len = 6;
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} else if (strcmp(c,"log") == 0) {
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command = "Log";
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command_len = 3;
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} else if (strcmp(c,"connect") == 0) {
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int version;
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int qport;
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int challenge;
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const char *infostring;
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proto_tree *argument_tree = NULL;
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command = "Connect";
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command_len = Cmd_Argv_length(0);
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if (text_tree) {
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proto_item *argument_item;
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proto_tree_add_string(text_tree, hf_quakeworld_connectionless_command,
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tvb, offset, command_len, command);
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argument_item = proto_tree_add_string(text_tree,
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hf_quakeworld_connectionless_arguments,
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tvb, offset + Cmd_Argv_start(1), len + 1 - Cmd_Argv_start(1),
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text + Cmd_Argv_start(1));
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argument_tree = proto_item_add_subtree(argument_item,
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ett_quakeworld_connectionless_arguments);
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command_finished=TRUE;
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}
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version = atoi(Cmd_Argv(1));
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qport = atoi(Cmd_Argv(2));
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challenge = atoi(Cmd_Argv(3));
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infostring = Cmd_Argv(4);
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if (argument_tree) {
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proto_item *info_item;
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proto_tree *info_tree;
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proto_tree_add_uint(argument_tree,
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hf_quakeworld_connectionless_connect_version,
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tvb,
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offset + Cmd_Argv_start(1),
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Cmd_Argv_length(1), version);
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proto_tree_add_uint(argument_tree,
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hf_quakeworld_connectionless_connect_qport,
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tvb,
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offset + Cmd_Argv_start(2),
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Cmd_Argv_length(2), qport);
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proto_tree_add_int(argument_tree,
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hf_quakeworld_connectionless_connect_challenge,
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tvb,
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offset + Cmd_Argv_start(3),
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Cmd_Argv_length(3), challenge);
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info_item = proto_tree_add_string(argument_tree,
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hf_quakeworld_connectionless_connect_infostring,
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tvb,
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offset + Cmd_Argv_start(4),
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Cmd_Argv_length(4), infostring);
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info_tree = proto_item_add_subtree(
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info_item, ett_quakeworld_connectionless_connect_infostring);
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dissect_id_infostring(tvb, info_tree, offset + Cmd_Argv_start(4),
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ep_strdup(infostring),
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ett_quakeworld_connectionless_connect_infostring_key_value,
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hf_quakeworld_connectionless_connect_infostring_key_value,
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hf_quakeworld_connectionless_connect_infostring_key,
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hf_quakeworld_connectionless_connect_infostring_value);
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}
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} else if (strcmp(c,"getchallenge") == 0) {
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command = "Get Challenge";
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command_len = Cmd_Argv_length(0);
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} else if (strcmp(c,"rcon") == 0) {
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const char* password;
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int i;
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char remaining[MAX_TEXT_SIZE+1];
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proto_tree *argument_tree = NULL;
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command = "Remote Command";
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command_len = Cmd_Argv_length(0);
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if (text_tree) {
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proto_item *argument_item;
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proto_tree_add_string(text_tree, hf_quakeworld_connectionless_command,
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tvb, offset, command_len, command);
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argument_item = proto_tree_add_string(text_tree,
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hf_quakeworld_connectionless_arguments,
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tvb, offset + Cmd_Argv_start(1), len + 1 - Cmd_Argv_start(1),
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text + Cmd_Argv_start(1));
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argument_tree = proto_item_add_subtree(argument_item,
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ett_quakeworld_connectionless_arguments);
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command_finished=TRUE;
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}
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password = Cmd_Argv(1);
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if (argument_tree) {
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proto_tree_add_string(argument_tree,
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hf_quakeworld_connectionless_rcon_password,
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tvb,
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offset + Cmd_Argv_start(1),
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Cmd_Argv_length(1), password);
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}
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remaining[0] = '\0';
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for (i=2; i<Cmd_Argc() ; i++) {
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g_strlcat (remaining, Cmd_Argv(i), MAX_TEXT_SIZE+1);
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g_strlcat (remaining, " ", MAX_TEXT_SIZE+1);
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}
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if (text_tree) {
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proto_tree_add_string(argument_tree,
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hf_quakeworld_connectionless_rcon_command,
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tvb, offset + Cmd_Argv_start(2),
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Cmd_Argv_start(Cmd_Argc()-1) + Cmd_Argv_length(Cmd_Argc()-1) -
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Cmd_Argv_start(2),
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remaining);
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}
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} else if (c[0]==A2A_PING && ( c[1]=='\0' || c[1]=='\n')) {
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command = "Ping";
|
|
command_len = 1;
|
|
} else if (c[0]==A2A_ACK && ( c[1]=='\0' || c[1]=='\n')) {
|
|
command = "Ack";
|
|
command_len = 1;
|
|
} else {
|
|
command = "Unknown";
|
|
command_len = len;
|
|
}
|
|
}
|
|
else {
|
|
/* server to client commands */
|
|
if (text[0] == S2C_CONNECTION) {
|
|
command = "Connected";
|
|
command_len = 1;
|
|
} else if (text[0] == A2C_CLIENT_COMMAND) {
|
|
command = "Client Command";
|
|
command_len = 1;
|
|
/* stringz (command), stringz (localid) */
|
|
} else if (text[0] == A2C_PRINT) {
|
|
command = "Print";
|
|
command_len = 1;
|
|
/* string */
|
|
} else if (text[0] == A2A_PING) {
|
|
command = "Ping";
|
|
command_len = 1;
|
|
} else if (text[0] == S2C_CHALLENGE) {
|
|
command = "Challenge";
|
|
command_len = 1;
|
|
/* string, atoi */
|
|
} else {
|
|
command = "Unknown";
|
|
command_len = len;
|
|
}
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO)) {
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s", command);
|
|
}
|
|
|
|
if (text_tree && !command_finished) {
|
|
proto_tree_add_string(text_tree, hf_quakeworld_connectionless_command,
|
|
tvb, offset, command_len, command);
|
|
}
|
|
offset += len + 1;
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_quakeworld_client_commands(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
/* If I have too much time at hand, I'll fill it with all
|
|
the information from my QWD specs:
|
|
http://www.planetquake.com/demospecs/qwd/
|
|
*/
|
|
call_dissector(data_handle,tvb, pinfo, tree);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_quakeworld_server_commands(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree)
|
|
{
|
|
/* If I have too much time at hand, I'll fill it with all
|
|
the information from my QWD specs:
|
|
http://www.planetquake.com/demospecs/qwd/
|
|
*/
|
|
call_dissector(data_handle,tvb, pinfo, tree);
|
|
}
|
|
|
|
|
|
static const value_string names_reliable[] = {
|
|
{ 0, "Non Reliable" },
|
|
{ 1, "Reliable" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static void
|
|
dissect_quakeworld_GamePacket(tvbuff_t *tvb, packet_info *pinfo,
|
|
proto_tree *tree, int direction)
|
|
{
|
|
proto_tree *game_tree = NULL;
|
|
guint32 seq1;
|
|
guint32 seq2;
|
|
int rel1;
|
|
int rel2;
|
|
int offset;
|
|
guint rest_length;
|
|
|
|
direction = (pinfo->destport == gbl_quakeworldServerPort) ?
|
|
DIR_C2S : DIR_S2C;
|
|
|
|
if (tree) {
|
|
proto_item *game_item;
|
|
game_item = proto_tree_add_text(tree, tvb, 0, -1, "Game");
|
|
game_tree = proto_item_add_subtree(game_item, ett_quakeworld_game);
|
|
}
|
|
|
|
offset = 0;
|
|
|
|
seq1 = tvb_get_letohl(tvb, offset);
|
|
rel1 = seq1 & 0x80000000 ? 1 : 0;
|
|
seq1 &= ~0x80000000;
|
|
if (game_tree) {
|
|
proto_item *seq1_item = proto_tree_add_text(game_tree,
|
|
tvb, offset, 4, "Current Sequence: %u (%s)",
|
|
seq1, val_to_str(rel1,names_reliable,"%u"));
|
|
proto_tree *seq1_tree = proto_item_add_subtree(
|
|
seq1_item, ett_quakeworld_game_seq1);
|
|
proto_tree_add_uint(seq1_tree, hf_quakeworld_game_seq1,
|
|
tvb, offset, 4, seq1);
|
|
proto_tree_add_boolean(seq1_tree, hf_quakeworld_game_rel1,
|
|
tvb, offset+3, 1, rel1);
|
|
}
|
|
offset += 4;
|
|
|
|
seq2 = tvb_get_letohl(tvb, offset);
|
|
rel2 = seq2 & 0x80000000 ? 1 : 0;
|
|
seq2 &= ~0x80000000;
|
|
if (game_tree) {
|
|
proto_item *seq2_item = proto_tree_add_text(game_tree,
|
|
tvb, offset, 4, "Acknowledge Sequence: %u (%s)",
|
|
seq2, val_to_str(rel2,names_reliable,"%u"));
|
|
proto_tree *seq2_tree = proto_item_add_subtree(seq2_item, ett_quakeworld_game_seq2);
|
|
proto_tree_add_uint(seq2_tree, hf_quakeworld_game_seq2, tvb, offset, 4, seq2);
|
|
proto_tree_add_boolean(seq2_tree, hf_quakeworld_game_rel2, tvb, offset+3, 1, rel2);
|
|
}
|
|
offset += 4;
|
|
|
|
if (direction == DIR_C2S) {
|
|
/* client to server */
|
|
guint16 qport = tvb_get_letohs(tvb, offset);
|
|
if (game_tree) {
|
|
proto_tree_add_uint(game_tree, hf_quakeworld_game_qport, tvb, offset, 2, qport);
|
|
}
|
|
offset +=2;
|
|
}
|
|
|
|
/* all the rest is pure game data */
|
|
rest_length = tvb_reported_length(tvb) - offset;
|
|
if (rest_length) {
|
|
tvbuff_t *next_tvb =
|
|
tvb_new_subset(tvb, offset, rest_length , rest_length);
|
|
|
|
if (direction == DIR_C2S) {
|
|
proto_tree *c_tree = NULL;
|
|
if (tree) {
|
|
proto_item *c_item;
|
|
c_item = proto_tree_add_text(game_tree, next_tvb,
|
|
0, -1, "Client Commands");
|
|
c_tree = proto_item_add_subtree(c_item, ett_quakeworld_game_clc);
|
|
}
|
|
dissect_quakeworld_client_commands(next_tvb, pinfo, c_tree);
|
|
}
|
|
else {
|
|
proto_tree *c_tree = NULL;
|
|
if (tree) {
|
|
proto_item *c_item;
|
|
c_item = proto_tree_add_text(game_tree, next_tvb,
|
|
0, -1, "Server Commands");
|
|
c_tree = proto_item_add_subtree(c_item, ett_quakeworld_game_svc);
|
|
}
|
|
dissect_quakeworld_server_commands(next_tvb, pinfo, c_tree);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_quakeworld(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *quakeworld_tree = NULL;
|
|
int direction;
|
|
|
|
direction = (pinfo->destport == gbl_quakeworldServerPort) ?
|
|
DIR_C2S : DIR_S2C;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "QUAKEWORLD");
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(direction,
|
|
names_direction, "%u"));
|
|
|
|
if (tree) {
|
|
proto_item *quakeworld_item;
|
|
quakeworld_item = proto_tree_add_item(tree, proto_quakeworld,
|
|
tvb, 0, -1, ENC_NA);
|
|
quakeworld_tree = proto_item_add_subtree(quakeworld_item, ett_quakeworld);
|
|
proto_tree_add_uint_format(quakeworld_tree,
|
|
direction == DIR_S2C ?
|
|
hf_quakeworld_s2c :
|
|
hf_quakeworld_c2s,
|
|
tvb, 0, 0, 1,
|
|
"Direction: %s", val_to_str(direction, names_direction, "%u"));
|
|
}
|
|
|
|
if (tvb_get_ntohl(tvb, 0) == 0xffffffff) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Connectionless");
|
|
if (quakeworld_tree)
|
|
proto_tree_add_uint_format(quakeworld_tree,
|
|
hf_quakeworld_connectionless,
|
|
tvb, 0, 0, 1,
|
|
"Type: Connectionless");
|
|
dissect_quakeworld_ConnectionlessPacket(
|
|
tvb, pinfo, quakeworld_tree, direction);
|
|
}
|
|
else {
|
|
col_append_str(pinfo->cinfo, COL_INFO, " Game");
|
|
if (quakeworld_tree)
|
|
proto_tree_add_uint_format(quakeworld_tree,
|
|
hf_quakeworld_game,
|
|
tvb, 0, 0, 1,
|
|
"Type: Game");
|
|
dissect_quakeworld_GamePacket(
|
|
tvb, pinfo, quakeworld_tree, direction);
|
|
}
|
|
}
|
|
|
|
|
|
void proto_reg_handoff_quakeworld(void);
|
|
|
|
void
|
|
proto_register_quakeworld(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_quakeworld_c2s,
|
|
{ "Client to Server", "quakeworld.c2s",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_s2c,
|
|
{ "Server to Client", "quakeworld.s2c",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless,
|
|
{ "Connectionless", "quakeworld.connectionless",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_game,
|
|
{ "Game", "quakeworld.game",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless_marker,
|
|
{ "Marker", "quakeworld.connectionless.marker",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless_text,
|
|
{ "Text", "quakeworld.connectionless.text",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless_command,
|
|
{ "Command", "quakeworld.connectionless.command",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless_arguments,
|
|
{ "Arguments", "quakeworld.connectionless.arguments",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_version,
|
|
{ "Version", "quakeworld.connectionless.connect.version",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Protocol Version", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_qport,
|
|
{ "QPort", "quakeworld.connectionless.connect.qport",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"QPort of the client", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_challenge,
|
|
{ "Challenge", "quakeworld.connectionless.connect.challenge",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Challenge from the server", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_infostring,
|
|
{ "Infostring", "quakeworld.connectionless.connect.infostring",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Infostring with additional variables", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_infostring_key_value,
|
|
{ "Key/Value", "quakeworld.connectionless.connect.infostring.key_value",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Key and Value", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_infostring_key,
|
|
{ "Key", "quakeworld.connectionless.connect.infostring.key",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Infostring Key", HFILL }},
|
|
{ &hf_quakeworld_connectionless_connect_infostring_value,
|
|
{ "Value", "quakeworld.connectionless.connect.infostring.value",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Infostring Value", HFILL }},
|
|
{ &hf_quakeworld_connectionless_rcon_password,
|
|
{ "Password", "quakeworld.connectionless.rcon.password",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Rcon Password", HFILL }},
|
|
{ &hf_quakeworld_connectionless_rcon_command,
|
|
{ "Command", "quakeworld.connectionless.rcon.command",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_quakeworld_game_seq1,
|
|
{ "Sequence Number", "quakeworld.game.seq1",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Sequence number of the current packet", HFILL }},
|
|
{ &hf_quakeworld_game_rel1,
|
|
{ "Reliable", "quakeworld.game.rel1",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Packet is reliable and may be retransmitted", HFILL }},
|
|
{ &hf_quakeworld_game_seq2,
|
|
{ "Sequence Number", "quakeworld.game.seq2",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Sequence number of the last received packet", HFILL }},
|
|
{ &hf_quakeworld_game_rel2,
|
|
{ "Reliable", "quakeworld.game.rel2",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Packet was reliable and may be retransmitted", HFILL }},
|
|
{ &hf_quakeworld_game_qport,
|
|
{ "QPort", "quakeworld.game.qport",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"QuakeWorld Client Port", HFILL }}
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_quakeworld,
|
|
&ett_quakeworld_connectionless,
|
|
&ett_quakeworld_connectionless_text,
|
|
&ett_quakeworld_connectionless_arguments,
|
|
&ett_quakeworld_connectionless_connect_infostring,
|
|
&ett_quakeworld_connectionless_connect_infostring_key_value,
|
|
&ett_quakeworld_game,
|
|
&ett_quakeworld_game_seq1,
|
|
&ett_quakeworld_game_seq2,
|
|
&ett_quakeworld_game_clc,
|
|
&ett_quakeworld_game_svc
|
|
};
|
|
module_t *quakeworld_module;
|
|
|
|
proto_quakeworld = proto_register_protocol("QuakeWorld Network Protocol",
|
|
"QUAKEWORLD", "quakeworld");
|
|
proto_register_field_array(proto_quakeworld, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* Register a configuration option for port */
|
|
quakeworld_module = prefs_register_protocol(proto_quakeworld,
|
|
proto_reg_handoff_quakeworld);
|
|
prefs_register_uint_preference(quakeworld_module, "udp.port",
|
|
"QuakeWorld Server UDP Port",
|
|
"Set the UDP port for the QuakeWorld Server",
|
|
10, &gbl_quakeworldServerPort);
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_quakeworld(void)
|
|
{
|
|
static gboolean Initialized=FALSE;
|
|
static dissector_handle_t quakeworld_handle;
|
|
static guint ServerPort;
|
|
|
|
if (!Initialized) {
|
|
quakeworld_handle = create_dissector_handle(dissect_quakeworld,
|
|
proto_quakeworld);
|
|
data_handle = find_dissector("data");
|
|
Initialized=TRUE;
|
|
} else {
|
|
dissector_delete_uint("udp.port", ServerPort, quakeworld_handle);
|
|
}
|
|
|
|
/* set port for future deletes */
|
|
ServerPort=gbl_quakeworldServerPort;
|
|
|
|
dissector_add_uint("udp.port", gbl_quakeworldServerPort, quakeworld_handle);
|
|
}
|
|
|