/*
==================
SV_KickNum_f
Kick a user off of the server
==================
*/
static void SV_KickNum_f( void ) {
client_t *cl;
// make sure server is running
if ( !com_sv_running->integer ) {
Com_Printf( "Server is not running.\n" );
return;
}
if ( Cmd_Argc() != 2 ) {
Com_Printf( "Usage: %s <client number>\n", Cmd_Argv( 0 ) );
return;
}
cl = SV_GetPlayerByNum();
if ( !cl ) {
return;
}
if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
SV_SendServerCommand(NULL, "print \"%s\"", SV_StringEdString("CANNOT_KICK_HOST"));
return;
}
SV_DropClient( cl, SV_StringEdString("WAS_KICKED") );
cl->lastPacketTime = svs.time; // in case there is a funny zombie
}
/*
==================
SV_Kick_f
Kick a user off of the server
==================
*/
static void SV_Kick_f( void ) {
client_t *cl;
int i;
// make sure server is running
if( !com_sv_running->integer ) {
Com_Printf( "Server is not running.\n" );
return;
}
if( Cmd_Argc() != 2 ) {
Com_Printf( "Usage: kick <player name>\nkick all = kick everyone\nkick allbots = kick all bots\n" );
return;
}
cl = SV_GetPlayerByHandle();
if( !cl ) {
if ( !Q_stricmp(Cmd_Argv(1), "all") ) {
for ( i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++ ) {
if ( !cl->state ) {
continue;
}
if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
continue;
}
SV_DropClient( cl, SV_StringEdString("WAS_KICKED") );
cl->lastPacketTime = svs.time; // in case there is a funny zombie
}
}
else if ( !Q_stricmp(Cmd_Argv(1), "allbots") ) {
for ( i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++ ) {
if ( !cl->state ) {
continue;
}
if( cl->netchan.remoteAddress.type != NA_BOT ) {
continue;
}
SV_DropClient( cl, SV_StringEdString("WAS_KICKED") );
cl->lastPacketTime = svs.time; // in case there is a funny zombie
}
}
return;
}
if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
SV_SendServerCommand(NULL, "print \"%s\"", SV_StringEdString("CANNOT_KICK_HOST"));
return;
}
SV_DropClient( cl, SV_StringEdString("WAS_KICKED") );
cl->lastPacketTime = svs.time; // in case there is a funny zombie
}
/*
==================
SV_KickAll_f
Kick all users off of the server
==================
*/
static void SV_KickAll_f( void ) {
client_t *cl;
int i;
// make sure server is running
if( !com_sv_running->integer ) {
Com_Printf( "Server is not running.\n" );
return;
}
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ ) {
if( !cl->state ) {
continue;
}
if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
continue;
}
SV_DropClient( cl, SV_StringEdString("WAS_KICKED") );
cl->lastPacketTime = svs.time; // in case there is a funny zombie
}
}
void SV_DirectConnect( netadr_t from ) {
char userinfo[MAX_INFO_STRING];
int i;
client_t *cl, *newcl;
client_t temp;
sharedEntity_t *ent;
int clientNum;
int version;
int qport;
int challenge;
char *password;
int startIndex;
intptr_t denied;
int count;
char *ip;
const char *stringEd;
#ifdef LEGACY_PROTOCOL
qboolean compat = qfalse;
#endif
Com_DPrintf ("SVC_DirectConnect ()\n");
// Check whether this client is banned.
if(SV_IsBanned(&from, qfalse))
{
NET_OutOfBandPrint(NS_SERVER, from, "print\nYou are banned from this server.\n");
return;
}
Q_strncpyz( userinfo, Cmd_Argv(1), sizeof(userinfo) );
version = atoi(Info_ValueForKey(userinfo, "protocol"));
#ifdef LEGACY_PROTOCOL
if(version > 0 && com_legacyprotocol->integer == version)
compat = qtrue;
else
#endif
{
if(version != com_protocol->integer)
{
NET_OutOfBandPrint(NS_SERVER, from, "print\nServer uses protocol version %i "
"(yours is %i).\n", com_protocol->integer, version);
Com_DPrintf(" rejected connect from version %i\n", version);
return;
}
}
challenge = atoi( Info_ValueForKey( userinfo, "challenge" ) );
qport = atoi( Info_ValueForKey( userinfo, "qport" ) );
// quick reject
for (i=0,cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++) {
if ( cl->state == CS_FREE ) {
continue;
}
if ( NET_CompareBaseAdr( from, cl->netchan.remoteAddress )
&& ( cl->netchan.qport == qport
|| from.port == cl->netchan.remoteAddress.port ) ) {
if (( svs.time - cl->lastConnectTime)
< (sv_reconnectlimit->integer * 1000)) {
Com_DPrintf ("%s:reconnect rejected : too soon\n", NET_AdrToString (from));
return;
}
break;
}
}
// don't let "ip" overflow userinfo string
if ( NET_IsLocalAddress (from) )
ip = "localhost";
else
ip = (char *)NET_AdrToString( from );
if( ( strlen( ip ) + strlen( userinfo ) + 4 ) >= MAX_INFO_STRING ) {
NET_OutOfBandPrint( NS_SERVER, from,
"print\nUserinfo string length exceeded. "
"Try removing setu cvars from your config.\n" );
return;
}
Info_SetValueForKey( userinfo, "ip", ip );
// see if the challenge is valid (LAN clients don't need to challenge)
if (!NET_IsLocalAddress(from))
{
int ping;
challenge_t *challengeptr;
for (i=0; i<MAX_CHALLENGES; i++)
{
if (NET_CompareAdr(from, svs.challenges[i].adr))
{
if(challenge == svs.challenges[i].challenge)
break;
}
}
if (i == MAX_CHALLENGES)
{
NET_OutOfBandPrint( NS_SERVER, from, "print\nNo or bad challenge for your address.\n" );
return;
}
challengeptr = &svs.challenges[i];
if(challengeptr->wasrefused)
{
// Return silently, so that error messages written by the server keep being displayed.
return;
}
ping = svs.time - challengeptr->pingTime;
// never reject a LAN client based on ping
if ( !Sys_IsLANAddress( from ) ) {
if ( sv_minPing->value && ping < sv_minPing->value ) {
NET_OutOfBandPrint( NS_SERVER, from, "print\n%s", SV_StringEdString("SERVER_FOR_HIGH_PING") );
stringEd = SV_GetString("CLIENT_REJECTED_LOW_PING");
Com_DPrintf (stringEd, i);
challengeptr->wasrefused = qtrue;
return;
}
if ( sv_maxPing->value && ping > sv_maxPing->value ) {
NET_OutOfBandPrint( NS_SERVER, from, "print\n%s", SV_StringEdString("SERVER_FOR_LOW_PING") );
stringEd = SV_GetString("CLIENT_REJECTED_LOW_PING");
Com_DPrintf (stringEd, i);
challengeptr->wasrefused = qtrue;
return;
}
}
stringEd = SV_GetString("CLIENT_CONN_WITH_PING");
Com_Printf(stringEd, i, ping);
challengeptr->connected = qtrue;
}
newcl = &temp;
Com_Memset (newcl, 0, sizeof(client_t));
// if there is already a slot for this ip, reuse it
for (i=0,cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++) {
if ( cl->state == CS_FREE ) {
continue;
}
if ( NET_CompareBaseAdr( from, cl->netchan.remoteAddress )
&& ( cl->netchan.qport == qport
|| from.port == cl->netchan.remoteAddress.port ) ) {
Com_Printf ("%s:reconnect\n", NET_AdrToString (from));
newcl = cl;
// this doesn't work because it nukes the players userinfo
// // disconnect the client from the game first so any flags the
// // player might have are dropped
// VM_Call( gvm, GAME_CLIENT_DISCONNECT, newcl - svs.clients );
//
goto gotnewcl;
}
}
// find a client slot
// if "sv_privateClients" is set > 0, then that number
// of client slots will be reserved for connections that
// have "password" set to the value of "sv_privatePassword"
// Info requests will report the maxclients as if the private
// slots didn't exist, to prevent people from trying to connect
// to a full server.
// This is to allow us to reserve a couple slots here on our
// servers so we can play without having to kick people.
// check for privateClient password
password = Info_ValueForKey( userinfo, "password" );
if ( !strcmp( password, sv_privatePassword->string ) ) {
startIndex = 0;
} else {
// skip past the reserved slots
startIndex = sv_privateClients->integer;
}
newcl = NULL;
for ( i = startIndex; i < sv_maxclients->integer ; i++ ) {
cl = &svs.clients[i];
if (cl->state == CS_FREE) {
newcl = cl;
break;
}
}
if ( !newcl ) {
if ( NET_IsLocalAddress( from ) ) {
count = 0;
for ( i = startIndex; i < sv_maxclients->integer ; i++ ) {
cl = &svs.clients[i];
if (cl->netchan.remoteAddress.type == NA_BOT) {
count++;
}
}
// if they're all bots
if (count >= sv_maxclients->integer - startIndex) {
SV_DropClient(&svs.clients[sv_maxclients->integer - 1], "only bots on server");
newcl = &svs.clients[sv_maxclients->integer - 1];
}
else {
Com_Error( ERR_FATAL, "server is full on local connect" );
return;
}
}
else {
NET_OutOfBandPrint( NS_SERVER, from, "print\n%s\n", SV_StringEdString("SERVER_IS_FULL") );
Com_DPrintf ("Rejected a connection.\n");
return;
}
}
// we got a newcl, so reset the reliableSequence and reliableAcknowledge
cl->reliableAcknowledge = 0;
cl->reliableSequence = 0;
gotnewcl:
// build a new connection
// accept the new client
// this is the only place a client_t is ever initialized
*newcl = temp;
clientNum = newcl - svs.clients;
ent = SV_GentityNum( clientNum );
newcl->gentity = ent;
// save the challenge
newcl->challenge = challenge;
// save the address
#ifdef LEGACY_PROTOCOL
newcl->compat = compat;
Netchan_Setup(NS_SERVER, &newcl->netchan, from, qport, challenge, compat);
#else
Netchan_Setup(NS_SERVER, &newcl->netchan, from, qport, challenge, qfalse);
#endif
// init the netchan queue
newcl->netchan_end_queue = &newcl->netchan_start_queue;
// save the userinfo
Q_strncpyz( newcl->userinfo, userinfo, sizeof(newcl->userinfo) );
// get the game a chance to reject this connection or modify the userinfo
denied = VM_Call( gvm, GAME_CLIENT_CONNECT, clientNum, qtrue, qfalse ); // firstTime = qtrue
if ( denied ) {
// we can't just use VM_ArgPtr, because that is only valid inside a VM_Call
char *str = VM_ExplicitArgPtr( gvm, denied );
NET_OutOfBandPrint( NS_SERVER, from, "print\n%s\n", str );
Com_DPrintf ("Game rejected a connection: %s.\n", str);
return;
}
SV_UserinfoChanged( newcl );
// send the connect packet to the client
NET_OutOfBandPrint(NS_SERVER, from, "connectResponse %d", challenge);
Com_DPrintf( "Going from CS_FREE to CS_CONNECTED for %s\n", newcl->name );
newcl->state = CS_CONNECTED;
newcl->lastSnapshotTime = 0;
newcl->lastPacketTime = svs.time;
newcl->lastConnectTime = svs.time;
// when we receive the first packet from the client, we will
// notice that it is from a different serverid and that the
// gamestate message was not just sent, forcing a retransmit
newcl->gamestateMessageNum = -1;
// if this was the first client on the server, or the last client
// the server can hold, send a heartbeat to the master.
count = 0;
for (i=0,cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++) {
if ( svs.clients[i].state >= CS_CONNECTED ) {
count++;
}
}
if ( count == 1 || count == sv_maxclients->integer ) {
SV_Heartbeat_f();
}
}
