93 lines
3.3 KiB
C++
93 lines
3.3 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_halflife.h"
|
|
#include "modhelper.h"
|
|
|
|
static struct game_ports port_arr[] = {
|
|
{ 27015, 27024, ID_HL },
|
|
{ 0,0,0 }
|
|
};
|
|
|
|
static const char scanmsg1[] = "\xff\xff\xff\xff""details";
|
|
static const char scanmsg2[] = "\xff\xff\xff\xff\x54";
|
|
static const char scanmsg3[] = "\xff\xff\xff\xff""TSource Engine Query";
|
|
|
|
static const char reply1[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0x49, 0x07 }; // I.
|
|
static const char reply2[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0x6D, 0x00 }; // m
|
|
|
|
void ModHalfLife::scan(MultiSock* msock)
|
|
{
|
|
ModHelper::send(msock, port_arr, scanmsg1, strlen(scanmsg1));
|
|
ModHelper::send(msock, port_arr, scanmsg2, strlen(scanmsg2));
|
|
ModHelper::send(msock, port_arr, scanmsg3, strlen(scanmsg3));
|
|
}
|
|
|
|
int ModHalfLife::parse(NetPkt* pkt, GameList* glist)
|
|
{
|
|
struct in_addr tmp;
|
|
int port, count, pos;
|
|
|
|
if (ModHelper::checkPorts(pkt, port_arr) == 0)
|
|
return PARSE_REJECT;
|
|
|
|
// eat weird connection attempts
|
|
if (pkt->getSize() <= 4)
|
|
return PARSE_ACCEPT_QUIRK;
|
|
|
|
/* Halflife2 answer */
|
|
if (pkt->compare(0, reply1, sizeof(reply1))) {
|
|
glist->addGame(ID_HL2, pkt);
|
|
return PARSE_ACCEPT;
|
|
}
|
|
|
|
/* Halflife1 short answer */
|
|
if (pkt->compare(0, reply2, sizeof(reply2))) {
|
|
glist->addGame(ID_HL, pkt);
|
|
return PARSE_ACCEPT;
|
|
}
|
|
|
|
/* Halflife1 answer (with IP:port) */
|
|
if (!pkt->compare(0, reply2, sizeof(reply2) -1))
|
|
return PARSE_REJECT;
|
|
|
|
/* try to parse server IP */
|
|
pos = 5;
|
|
if ((count = pkt->parse_ip(pos, &tmp)) < 7)
|
|
return PARSE_REJECT;
|
|
|
|
/* parse server port */
|
|
pos += count +1;
|
|
if ((count = pkt->parse_int(pos, &port)) == 0)
|
|
return PARSE_REJECT;
|
|
|
|
// IP is 0.0.0.0 or 127.0.0.1 -> do not use IP info
|
|
if (tmp.s_addr == 0x00000000 || tmp.s_addr == 0x0100007F) {
|
|
glist->addGame(ID_HL, pkt);
|
|
|
|
} else {
|
|
// TODO: implement
|
|
glist->addGame(ID_HL, pkt);
|
|
//glist->add(ID_HL, &tmp, port, false);
|
|
}
|
|
|
|
return PARSE_ACCEPT;
|
|
}
|