hlswmaster-ng/mod_gamespy2.cpp

108 lines
3.4 KiB
C++

/***************************************************************************
* Copyright (C) 04/2006 by Olaf Rempel *
* razzor@kopf-tisch.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <string.h>
#include "mod_gamespy2.h"
#include "modhelper.h"
#include "logging.h"
static struct game_ports port_arr[] = {
{ 2302, 2302, ID_HALO },
{ 3455, 3455, ID_PK },
{ 10481, 10482, ID_SWAT4 },
{ 29900, 29910, ID_BF2 },
{ 0, 0, 0 }
};
static const char scanmsg[] = { 0xFE, 0xFD, 0x00, 0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0x00, 0x00 };
static const char replyhead[] = { 0x00, 0xDE, 0xAD, 0xBE, 0xEF };
static const char search_hostport[] = "hostport";
static const char search_gamename[] = "gamename";
static const char reply_bf2[] = "battlefield2";
void ModGameSpy2::scan(MultiSock* msock)
{
ModHelper::send(msock, port_arr, scanmsg, sizeof(scanmsg));
}
int ModGameSpy2::parse(NetPkt* pkt, GameList* glist)
{
int gameid, pos1, pos2, port;
gameid = ModHelper::checkPorts(pkt, port_arr);
if (!gameid)
return PARSE_REJECT;
if (!pkt->compare(0, replyhead, sizeof(replyhead)))
return PARSE_REJECT;
pos1 = pkt->find(0, search_gamename, strlen(search_gamename));
pos1 += strlen(search_gamename) +1;
/* hostport angabe suchen */
pos2 = pkt->find(0, search_hostport, strlen(search_hostport));
if (pos2 != -1) {
pos2 += strlen(search_hostport) +1;
pkt->parse_int(pos2, &port);
}
switch (gameid) {
case ID_HALO:
case ID_PK:
break;
case ID_SWAT4:
if (pos2 == -1)
return PARSE_REJECT;
break;
case ID_BF2:/* battlefield 2 */
// TODO: pos2 check noetig?
if (pos2 == -1) {
LogSystem::log(LOG_DEBUG, "no hostport found");
return PARSE_REJECT;
}
if (pkt->find(pos1, reply_bf2, strlen(reply_bf2)) == -1) {
LogSystem::log(LOG_DEBUG, "no gamename found");
return PARSE_REJECT;
}
break;
default:
return PARSE_REJECT;
break;
}
/*
* wenn ein hostport angegeben wurde, und das nicht der src port ist
* beide ports in die serverliste uebernehmen
*/
if ((pos2 != -1) && (port != pkt->getPort())) {
glist->addGame(gameid, pkt, port);
} else {
glist->addGame(gameid, pkt);
}
return PARSE_ACCEPT;
}