/*
* TV_Upstream_ServerReconnect_f
*
* The server is changing levels
*/
static void TV_Upstream_ServerReconnect_f( upstream_t *upstream )
{
if( upstream->demo.playing )
return;
if( upstream->state < CA_CONNECTED )
{
Com_Printf( "%s: reconnect request while not connected\n", NET_AddressToString( &upstream->serveraddress ) );
return;
}
if( upstream->demo.recording )
TV_Upstream_StopDemoRecord( upstream, upstream->demo.autorecording, qfalse );
Com_Printf( "%s: reconnecting...\n", NET_AddressToString( &upstream->serveraddress ) );
upstream->connect_count = 0;
upstream->rejected = 0;
#ifdef TCP_ALLOW_CONNECT
upstream->connect_time = tvs.realtime;
#else
upstream->connect_time = tvs.realtime - 1500;
#endif
upstream->state = CA_HANDSHAKE;
TV_Upstream_AddReliableCommand( upstream, "new" );
}
/*
* SV_ConnectionlessPacket
*
* A connectionless packet has four leading 0xff
* characters to distinguish it from a game channel.
* Clients that are in the game can still send
* connectionless packets.
*/
void SV_ConnectionlessPacket( const socket_t *socket, const netadr_t *address, msg_t *msg )
{
connectionless_cmd_t *cmd;
char *s, *c;
MSG_BeginReading( msg );
MSG_ReadLong( msg ); // skip the -1 marker
s = MSG_ReadStringLine( msg );
Cmd_TokenizeString( s );
c = Cmd_Argv( 0 );
Com_DPrintf( "Packet %s : %s\n", NET_AddressToString( address ), c );
for( cmd = connectionless_cmds; cmd->name; cmd++ )
{
if( !strcmp( c, cmd->name ) )
{
cmd->func( socket, address );
return;
}
}
Com_DPrintf( "Bad connectionless packet from %s:\n%s\n", NET_AddressToString( address ), s );
}
/*
* TV_Upstream_Status_f
*/
static void TV_Upstream_Status_f( void )
{
int i;
qboolean none;
client_t *client;
upstream_t *upstream;
if( !TV_UpstreamForText( Cmd_Argv( 1 ), &upstream ) )
{
Com_Printf( "No such connection\n" );
return;
}
if( upstream )
{
Com_Printf( "%s" S_COLOR_WHITE ": %s\n", upstream->name, NET_AddressToString( &upstream->serveraddress ) );
Com_Printf( "Server name: %s\n", upstream->servername );
Com_Printf( "Connection: %s\n", TV_ConnstateToString( upstream->state ) );
Com_Printf( "Relay: %s\n", TV_ConnstateToString( upstream->relay.state ) );
}
else
{
Com_Printf( "lobby\n" );
}
Com_Printf( "Downstream connections:\n" );
none = qtrue;
for( i = 0; i < tv_maxclients->integer; i++ )
{
client = &tvs.clients[i];
if( client->state == CS_FREE || client->state == CS_ZOMBIE )
continue;
if( !client->relay )
{
if( upstream )
continue;
}
else
{
if( client->relay->upstream != upstream )
continue;
}
Com_Printf( "%3i: %s" S_COLOR_WHITE " (%s)\n", i, client->name, NET_AddressToString( &client->netchan.remoteAddress ) );
none = qfalse;
}
if( none )
Com_Printf( "- No downstream connections\n" );
}
qboolean CL_MM_Connect( const netadr_t *address )
{
/*
* ch : this here sends a ticket request to MM.
* upon response we can set the client state to CA_CONNECTING
* and actually connect to the gameserver
*/
stat_query_t *query;
// Com_Printf("CL_MM_Connect %s\n", NET_AddressToString( address ) );
cls.mm_ticket = 0;
// TODO: if not logged in, force login
if( !cl_mm_enabled )
return qfalse;
// TODO: validate the parameters
query = sq_api->CreateQuery( "ccc", qfalse );
if( query == NULL )
return qfalse;
// TODO: put the session in a cookie
sq_api->SetField( query, "csession", va( "%d", cls.mm_session ) );
// we may have ipv4 or ipv6 in here, and MM currently on supports ipv4..
sq_api->SetField( query, "saddr", NET_AddressToString( address ) );
sq_api->SetCallback( query, cl_mm_connect_done, NULL );
sq_api->Send( query );
return qtrue;
}
/*
* SV_SendClientsFragments
*/
bool SV_SendClientsFragments( void )
{
client_t *client;
int i;
bool sent = false;
// send a message to each connected client
for( i = 0, client = svs.clients; i < sv_maxclients->integer; i++, client++ )
{
if( client->state == CS_FREE || client->state == CS_ZOMBIE )
continue;
if( client->edict && ( client->edict->r.svflags & SVF_FAKECLIENT ) )
continue;
if( !client->netchan.unsentFragments )
continue;
if( !Netchan_TransmitNextFragment( &client->netchan ) )
{
Com_Printf( "Error sending fragment to %s: %s\n", NET_AddressToString( &client->netchan.remoteAddress ),
NET_ErrorString() );
if( client->reliable )
SV_DropClient( client, DROP_TYPE_GENERAL, "Error sending fragment: %s\n", NET_ErrorString() );
continue;
}
sent = true;
}
return sent;
}
//================
// MM_MatchesList
// Prints the list of matches to console
//================
void MM_MatchList( void )
{
int i = 0, count = 0;
mm_match_t *match;
for( match = mms.matches ; match ; match = match->next )
{
Com_Printf( "Match id: %d\n ping type: %s\n gametype: %s\n skill type: %s\n clients:\n",
match->id,
match->pingtype == TYPE_ANY ? "any" : "dependent",
match->gametype,
match->skilltype == TYPE_ANY ? "any" : "dependent" );
for( i = 0; i < match->maxclients; i++ )
{
if( match->clients[i] )
Com_Printf( " %s %s (%d): %s\n",
match->clients[i]->userid < 1 ? "U" : "R", // registered or not
match->clients[i]->nickname,
match->clients[i]->userid,
NET_AddressToString( &match->clients[i]->connection->address ) );
}
count++;
}
Com_Printf( "%d match(s)\n", count );
}
/*
* TV_Downstream_UpstreamlessPacket
*/
void TV_Downstream_UpstreamlessPacket( const socket_t *socket, const netadr_t *address, msg_t *msg )
{
upstreamless_cmd_t *cmd;
char *s, *c;
MSG_BeginReading( msg );
MSG_ReadLong( msg ); // skip the -1 marker
s = MSG_ReadStringLine( msg );
if( TV_Downstream_SteamServerQuery( s, socket, address, msg ) )
return;
Cmd_TokenizeString( s );
c = Cmd_Argv( 0 );
for( cmd = upstreamless_cmds; cmd->name; cmd++ )
{
if( !strcmp( c, cmd->name ) )
{
cmd->func( socket, address );
return;
}
}
Com_DPrintf( "Bad downstream connectionless packet from %s:\n%s\n", NET_AddressToString( address ), s );
}
/*
* TV_Downstream_MasterHeartbeat
* Send a message to the master every few minutes to
* let it know we are alive, and log information
*/
void TV_Downstream_MasterHeartbeat( void )
{
int i;
const socket_t *socket;
tvs.lobby.last_heartbeat -= tvs.lobby.snapFrameTime;
if( tvs.lobby.last_heartbeat > 0 )
return;
tvs.lobby.last_heartbeat = HEARTBEAT_SECONDS * 1000;
if( !tv_public->integer )
return;
// send to group master
for( i = 0; i < MAX_MASTERS; i++ )
{
if( tv_master_adr[i].type != NA_NOTRANSMIT )
{
Com_Printf( "Sending heartbeat to %s\n", NET_AddressToString( &tv_master_adr[i] ) );
socket = ( tv_master_adr[i].type == NA_IP6 ? &tvs.socket_udp6 : &tvs.socket_udp );
// warning: "DarkPlaces" is a protocol name here, not a game name. Do not replace it.
Netchan_OutOfBandPrint( socket, &tv_master_adr[i], "heartbeat %s\n", "DarkPlaces" );
}
}
}
/*
* SV_MasterSendQuit
* Notifies Steam master servers that the server is shutting down.
*/
void SV_MasterSendQuit( void )
{
int i;
const char quitMessage[] = "b\n";
if( !sv_public->integer || ( sv_maxclients->integer == 1 ) )
return;
// never go public when not acting as a game server
if( sv.state > ss_game )
return;
// send to group master
for( i = 0; i < MAX_MASTERS; i++ )
{
sv_master_t *master = &sv_masters[i];
if( master->steam && ( master->address.type != NA_NOTRANSMIT ) )
{
socket_t *socket = ( master->address.type == NA_IP6 ? &svs.socket_udp6 : &svs.socket_udp );
if( dedicated && dedicated->integer )
Com_Printf( "Sending quit to %s\n", NET_AddressToString( &master->address ) );
NET_SendPacket( socket, ( const uint8_t * )quitMessage, sizeof( quitMessage ), &master->address );
}
}
}
/*
* CL_ParseStatusMessage
* Handle a reply from a ping
*/
void CL_ParseStatusMessage( const socket_t *socket, const netadr_t *address, msg_t *msg )
{
char *s = MSG_ReadString( msg );
serverlist_t *pingserver;
char adrString[64];
Com_DPrintf( "%s\n", s );
Q_strncpyz( adrString, NET_AddressToString( address ), sizeof( adrString ) );
// ping response
pingserver = CL_ServerFindInList( masterList, adrString );
if( !pingserver )
pingserver = CL_ServerFindInList( favoritesList, adrString );
if( pingserver && pingserver->pingTimeStamp ) // valid ping
{
unsigned int ping = Sys_Milliseconds() - pingserver->pingTimeStamp;
CL_UIModule_AddToServerList( adrString, va( "\\\\ping\\\\%i%s", ping, s ) );
pingserver->pingTimeStamp = 0;
pingserver->lastValidPing = Com_DaysSince1900();
return;
}
// assume LAN response
if( NET_IsLANAddress( address ) && ( localQueryTimeStamp + LAN_SERVER_PINGING_TIMEOUT > Sys_Milliseconds() ) ) {
unsigned int ping = Sys_Milliseconds() - localQueryTimeStamp;
CL_UIModule_AddToServerList( adrString, va( "\\\\ping\\\\%i%s", ping, s ) );
return;
}
// add the server info, but ignore the ping, cause it's not valid
CL_UIModule_AddToServerList( adrString, s );
}
/*
==================
NET_SendPacket
==================
*/
void NET_SendPacket (netSrc_t sock, const netAdr_t to, const void *data, int length){
struct sockaddr adr;
int result, error;
if (NET_SendLoopPacket(sock, to, data, length))
return;
if (to.type != NA_BROADCAST && to.type != NA_IP)
Com_Error(ERR_FATAL, "NET_SendPacket: bad address type");
if (net.sockets[sock] == INVALID_SOCKET)
return;
NET_NetAdrToSockAdr(&to, &adr);
result = sendto(net.sockets[sock], (const char *)data, length, 0, &adr, sizeof(adr));
if (result == SOCKET_ERROR){
error = WSAGetLastError();
// WSAEWOULDBLOCK is silent
if (error == WSAEWOULDBLOCK)
return;
// Some PPP links don't allow broadcasts
if (error == WSAEADDRNOTAVAIL && to.type == NA_BROADCAST)
return;
Com_Printf(S_COLOR_RED "NET_SendPacket: %s to %s\n", NET_ErrorString(), NET_AddressToString(to));
}
net.packetsSent[sock]++;
net.bytesSent[sock] += result;
}
/*
* TV_Downstream_AddMaster_f
* Add a master server to the list
*/
static void TV_Downstream_AddMaster_f( const char *master )
{
int i;
if( !master || !master[0] )
return;
if( !tv_public->integer )
{
Com_Printf( "'TV_Downstream_AddMaster_f' Only public servers use masters.\n" );
return;
}
for( i = 0; i < MAX_MASTERS; i++ )
{
if( tv_master_adr[i].type != NA_NOTRANSMIT )
continue;
if( !NET_StringToAddress( master, &tv_master_adr[i] ) )
{
Com_Printf( "'SV_AddMaster_f' Bad Master server address: %s\n", master );
return;
}
if( NET_GetAddressPort( &tv_master_adr[i] ) == 0 )
NET_SetAddressPort( &tv_master_adr[i], PORT_MASTER );
Com_Printf( "Added new master server #%i at %s\n", i, NET_AddressToString( &tv_master_adr[i] ) );
return;
}
Com_Printf( "'TV_Downstream_AddMaster_f' List of master servers is already full\n" );
}
/*
* SVC_GetChallenge
*
* Returns a challenge number that can be used
* in a subsequent client_connect command.
* We do this to prevent denial of service attacks that
* flood the server with invalid connection IPs. With a
* challenge, they must give a valid IP address.
*/
static void SVC_GetChallenge( const socket_t *socket, const netadr_t *address )
{
int i;
int oldest;
int oldestTime;
oldest = 0;
oldestTime = 0x7fffffff;
if( sv_showChallenge->integer )
Com_Printf( "Challenge Packet %s\n", NET_AddressToString( address ) );
// see if we already have a challenge for this ip
for( i = 0; i < MAX_CHALLENGES; i++ )
{
if( NET_CompareBaseAddress( address, &svs.challenges[i].adr ) )
break;
if( svs.challenges[i].time < oldestTime )
{
oldestTime = svs.challenges[i].time;
oldest = i;
}
}
if( i == MAX_CHALLENGES )
{
// overwrite the oldest
svs.challenges[oldest].challenge = rand() & 0x7fff;
svs.challenges[oldest].adr = *address;
svs.challenges[oldest].time = Sys_Milliseconds();
i = oldest;
}
Netchan_OutOfBandPrint( socket, address, "challenge %i", svs.challenges[i].challenge );
}
/*
* SV_MasterHeartbeat
* Send a message to the master every few minutes to
* let it know we are alive, and log information
*/
void SV_MasterHeartbeat( void )
{
int i;
svc.lastHeartbeat -= svc.snapFrameTime;
if( svc.lastHeartbeat > 0 )
return;
svc.lastHeartbeat = HEARTBEAT_SECONDS * 1000;
if( !sv_public->integer )
return;
// never go public when not acting as a game server
if( sv.state > ss_game )
return;
// send to group master
for( i = 0; i < MAX_MASTERS; i++ )
{
if( master_adr[i].type != NA_NOTRANSMIT )
{
socket_t *socket;
if( dedicated && dedicated->integer )
Com_Printf( "Sending heartbeat to %s\n", NET_AddressToString( &master_adr[i] ) );
socket = ( master_adr[i].type == NA_IP6 ? &svs.socket_udp6 : &svs.socket_udp );
// warning: "DarkPlaces" is a protocol name here, not a game name. Do not replace it.
Netchan_OutOfBandPrint( socket, &master_adr[i], "heartbeat DarkPlaces\n" );
}
}
}
/*
* CL_Mumble_Update
*/
void CL_Mumble_Update( const vec3_t origin, const vec3_t forward, const vec3_t right, const vec3_t up, const char *identity )
{
vec3_t mp, mf, mt;
char context[256];
if( !cl_mumble->integer )
return;
if( !identity )
return;
VectorScale( origin, cl_mumble_scale->value, mp );
VectorSet( mf, forward[0], forward[2], forward[1] );
VectorSet( mt, up[0], up[2], up[1] );
if( cl_mumble->integer == 2 )
Com_Printf( "MumbleUpdate:\n%f, %f, %f\n%f, %f, %f\n%f, %f, %f", mp[0], mp[1], mp[2], mf[0], mf[1], mf[2], mt[0], mt[1], mt[2] );
mumble_update_coordinates( mp, mf, mt );
// for Mumble 1.2+ http://mumble.sourceforge.net/Link
mumble_set_identity( identity );
// TODO: add team to context?
Q_strncpyz( context, NET_AddressToString( &cls.serveraddress ), sizeof( context ) );
mumble_set_context( ( const unsigned char * )context, strlen( context ) + 1 );
}
/*
* SVC_SendInfoString
*/
static void SVC_SendInfoString( const socket_t *socket, const netadr_t *address, const char *requestType, const char *responseType, qboolean fullStatus )
{
char *string;
if( sv_showInfoQueries->integer )
Com_Printf( "%s Packet %s\n", requestType, NET_AddressToString( address ) );
// KoFFiE: When not public and coming from a LAN address
// assume broadcast and respond anyway, otherwise ignore
if( ( ( !sv_public->integer ) && ( !NET_IsLANAddress( address ) ) ) ||
( sv_maxclients->integer == 1 ) )
{
return;
}
// ignore when in invalid server state
if( sv.state < ss_loading || sv.state > ss_game )
return;
// don't reply when we are locked for mm
// if( SV_MM_IsLocked() )
// return;
// send the same string that we would give for a status OOB command
string = SV_LongInfoString( fullStatus );
if( string )
Netchan_OutOfBandPrint( socket, address, "%s\n\\challenge\\%s%s", responseType, Cmd_Argv( 1 ), string );
}
int SV_MM_ClientConnect( const netadr_t *address, char *userinfo, unsigned int ticket_id, int session_id )
{
/*
* what crizis did.. push a query after checking that ticket id and session id
* at least aren't null and if server expects login-only clients
*
* ahem, figure out how to handle anonymous players. currently this will bug out so that
* session_id is 0 -> request receives zero id's and freaks out. generate a session_id
* here and return it.
*
* ok done. so this function receives session_id = 0 if we are dealing with 'anonymous'
* player and this here generates local session-id for the client
*/
stat_query_t *query;
// return of -1 is not an error, it just marks a dummy local session
if( !sv_mm_initialized || !sv_mm_session )
return -1;
// accept only players that are logged in (session_id <= 0 ??)
if( sv_mm_loginonly->integer && session_id == 0 )
{
Com_Printf("SV_MM_ClientConnect: Login-only\n");
return 0;
}
// expect a ticket for logged-in client (rly?) session_id > 0
// we should force local session in here
if( ticket_id == 0 && session_id != 0 )
{
Com_Printf( "SV_MM_ClientConnect: Logged-in client didnt declare ticket, marking as anonymous\n" );
session_id = 0;
}
if( session_id == 0 )
{
// WMM doesnt care about anonymous players
session_id = SV_MM_GenerateLocalSession();
Com_Printf("SV_MM_ClientConnect: Generated local session %d\n", session_id );
return session_id;
}
// push a request
query = sq_api->CreateQuery( "scc", qfalse );
if( query == NULL )
return 0;
// servers own session (TODO: put this to a cookie or smth)
sq_api->SetField( query, "ssession", va("%d", sv_mm_session ) );
// clients attributes (nickname here?)
sq_api->SetField( query, "cticket", va("%u", ticket_id ) );
sq_api->SetField( query, "csession", va("%d", session_id ) );
sq_api->SetField( query, "cip", NET_AddressToString( address ) );
sq_api->SetCallback( query, sv_mm_clientconnect_done, (void*)session_id );
sq_api->Send( query );
return session_id;
}
/*
* SVC_RemoteCommand
*
* A client issued an rcon command.
* Shift down the remaining args
* Redirect all printfs
*/
static void SVC_RemoteCommand( const socket_t *socket, const netadr_t *address )
{
int i;
char remaining[1024];
flush_params_t extra;
i = Rcon_Validate();
if( i == 0 )
Com_Printf( "Bad rcon from %s:\n%s\n", NET_AddressToString( address ), Cmd_Args() );
else
Com_Printf( "Rcon from %s:\n%s\n", NET_AddressToString( address ), Cmd_Args() );
extra.socket = socket;
extra.address = address;
Com_BeginRedirect( RD_PACKET, sv_outputbuf, SV_OUTPUTBUF_LENGTH, SV_FlushRedirect, ( const void * )&extra );
if( sv_showRcon->integer )
Com_Printf( "Rcon Packet %s\n", NET_AddressToString( address ) );
if( !Rcon_Validate() )
{
Com_Printf( "Bad rcon_password.\n" );
}
else
{
remaining[0] = 0;
for( i = 2; i < Cmd_Argc(); i++ )
{
Q_strncatz( remaining, "\"", sizeof( remaining ) );
Q_strncatz( remaining, Cmd_Argv( i ), sizeof( remaining ) );
Q_strncatz( remaining, "\" ", sizeof( remaining ) );
}
Cmd_ExecuteString( remaining );
}
Com_EndRedirect();
}
/*
==================
NET_GetPacket
==================
*/
bool NET_GetPacket (netSrc_t sock, netAdr_t *from, msg_t *msg){
struct sockaddr adr;
int adrLen = sizeof(adr);
int result, error;
if (NET_GetLoopPacket(sock, from, msg))
return true;
if (net.sockets[sock] == INVALID_SOCKET)
return false;
result = recvfrom(net.sockets[sock], (char *)msg->data, msg->maxSize, 0, (struct sockaddr *)&adr, &adrLen);
NET_SockAdrToNetAdr(&adr, from);
if (result == SOCKET_ERROR){
error = WSAGetLastError();
// WSAEWOULDBLOCK and WSAECONNRESET are silent
if (error == WSAEWOULDBLOCK || error == WSAECONNRESET)
return false;
Com_Printf(S_COLOR_RED "NET_GetPacket: %s from %s\n", NET_ErrorString(), NET_AddressToString(*from));
return false;
}
if (result == msg->maxSize){
Com_Printf(S_COLOR_RED "NET_GetPacket: oversize packet from %s\n", NET_AddressToString(*from));
return false;
}
msg->curSize = result;
net.packetsReceived[sock]++;
net.bytesReceived[sock] += result;
return true;
}
/*
* SV_MasterHeartbeat
* Send a message to the master every few minutes to
* let it know we are alive, and log information
*/
void SV_MasterHeartbeat( void )
{
unsigned int time = Sys_Milliseconds();
int i;
if( svc.nextHeartbeat > time )
return;
svc.nextHeartbeat = time + HEARTBEAT_SECONDS * 1000;
if( !sv_public->integer || ( sv_maxclients->integer == 1 ) )
return;
// never go public when not acting as a game server
if( sv.state > ss_game )
return;
// send to group master
for( i = 0; i < MAX_MASTERS; i++ )
{
sv_master_t *master = &sv_masters[i];
if( master->address.type != NA_NOTRANSMIT )
{
socket_t *socket;
if( dedicated && dedicated->integer )
Com_Printf( "Sending heartbeat to %s\n", NET_AddressToString( &master->address ) );
socket = ( master->address.type == NA_IP6 ? &svs.socket_udp6 : &svs.socket_udp );
if( master->steam )
{
uint8_t steamHeartbeat = 'q';
NET_SendPacket( socket, &steamHeartbeat, sizeof( steamHeartbeat ), &master->address );
}
else
{
// warning: "DarkPlaces" is a protocol name here, not a game name. Do not replace it.
Netchan_OutOfBandPrint( socket, &master->address, "heartbeat DarkPlaces\n" );
}
}
}
}
/*
* SV_AddMaster_f
* Add a master server to the list
*/
static void SV_AddMaster_f( char *address, bool steam )
{
int i;
if( !address || !address[0] )
return;
if( !sv_public->integer )
{
Com_Printf( "'SV_AddMaster_f' Only public servers use masters.\n" );
return;
}
//never go public when not acting as a game server
if( sv.state > ss_game )
return;
for( i = 0; i < MAX_MASTERS; i++ )
{
sv_master_t *master = &sv_masters[i];
if( master->address.type != NA_NOTRANSMIT )
continue;
if( !NET_StringToAddress( address, &master->address ) )
{
Com_Printf( "'SV_AddMaster_f' Bad Master server address: %s\n", address );
return;
}
if( NET_GetAddressPort( &master->address ) == 0 )
NET_SetAddressPort( &master->address, steam ? PORT_MASTER_STEAM : PORT_MASTER );
master->steam = steam;
Com_Printf( "Added new master server #%i at %s\n", i, NET_AddressToString( &master->address ) );
return;
}
Com_Printf( "'SV_AddMaster_f' List of master servers is already full\n" );
}
/*
* TV_Downstream_UserinfoChanged
*
* Pull specific info from a newly changed userinfo string
* into a more C friendly form.
*/
void TV_Downstream_UserinfoChanged( client_t *client )
{
char *val;
assert( client );
assert( Info_Validate( client->userinfo ) );
// force the IP key/value pair so the game can filter based on ip
if( !Info_SetValueForKey( client->userinfo, "socket", NET_SocketTypeToString( client->netchan.socket->type ) ) )
{
TV_Downstream_DropClient( client, DROP_TYPE_GENERAL, "Error: Couldn't set userinfo (socket)\n" );
return;
}
if( !Info_SetValueForKey( client->userinfo, "ip", NET_AddressToString( &client->netchan.remoteAddress ) ) )
{
TV_Downstream_DropClient( client, DROP_TYPE_GENERAL, "Error: Couldn't set userinfo (ip)\n" );
return;
}
// we handle name ourselves here, since tv module doesn't know about all the players
val = TV_Downstream_FixName( Info_ValueForKey( client->userinfo, "name" ), client );
Q_strncpyz( client->name, val, sizeof( client->name ) );
if( !Info_SetValueForKey( client->userinfo, "name", client->name ) )
{
TV_Downstream_DropClient( client, DROP_TYPE_GENERAL, "Error: Couldn't set userinfo (name)" );
return;
}
if( client->relay )
TV_Relay_ClientUserinfoChanged( client->relay, client );
if( !Info_Validate( client->userinfo ) )
{
TV_Downstream_DropClient( client, DROP_TYPE_GENERAL, "Error: Invalid userinfo (after game)" );
return;
}
}
/*
* SV_AddMaster_f
* Add a master server to the list
*/
static void SV_AddMaster_f( char *master )
{
int i;
if( !master || !master[0] )
return;
if( !sv_public->integer )
{
Com_Printf( "'SV_AddMaster_f' Only public servers use masters.\n" );
return;
}
//never go public when not acting as a game server
if( sv.state > ss_game )
return;
for( i = 0; i < MAX_MASTERS; i++ )
{
if( master_adr[i].type != NA_NOTRANSMIT )
continue;
if( !NET_StringToAddress( master, &master_adr[i] ) )
{
Com_Printf( "'SV_AddMaster_f' Bad Master server address: %s\n", master );
return;
}
if( NET_GetAddressPort( &master_adr[i] ) == 0 )
NET_SetAddressPort( &master_adr[i], PORT_MASTER );
Com_Printf( "Added new master server #%i at %s\n", i, NET_AddressToString( &master_adr[i] ) );
return;
}
Com_Printf( "'SV_AddMaster_f' List of master servers is already full\n" );
}
/*
* TV_Status
*/
static void TV_Status( void )
{
int i;
qboolean none;
client_t *client;
Com_Printf( "Upstream connections:\n" );
none = qtrue;
for( i = 0; i < tvs.numupstreams; i++ )
{
if( !tvs.upstreams[i] )
continue;
Com_Printf( "%3i: %22s: %s\n", i+1, NET_AddressToString( &tvs.upstreams[i]->serveraddress ),
tvs.upstreams[i]->name );
none = qfalse;
}
if( none )
Com_Printf( "- No upstream connections\n" );
Com_Printf( "Downstream connections:\n" );
none = qtrue;
for( i = 0; i < tv_maxclients->integer; i++ )
{
client = &tvs.clients[i];
if( client->state == CS_FREE || client->state == CS_ZOMBIE )
continue;
Com_Printf( "%3i: %s" S_COLOR_WHITE " (%s): %s" S_COLOR_WHITE " %s\n", i, client->name, NET_AddressToString( &client->netchan.remoteAddress ),
( client->relay ? client->relay->upstream->name : "lobby" ), client->mv ? "MV" : "" );
none = qfalse;
}
if( none )
Com_Printf( "- No downstream connections\n" );
}
/*
* CL_GetServers_f
*/
void CL_GetServers_f( void )
{
netadr_t adr, *padr;
char *requeststring;
int i;
char *modname, *master;
trie_error_t err;
filter_allow_full = qfalse;
filter_allow_empty = qfalse;
for( i = 2; i < Cmd_Argc(); i++ )
{
if( !Q_stricmp( "full", Cmd_Argv( i ) ) )
filter_allow_full = qtrue;
if( !Q_stricmp( "empty", Cmd_Argv( i ) ) )
filter_allow_empty = qtrue;
}
if( !Q_stricmp( Cmd_Argv( 1 ), "local" ) )
{
if( localQueryTimeStamp + LAN_SERVER_PINGING_TIMEOUT > Sys_Milliseconds() ) {
return;
}
padr = &adr;
localQueryTimeStamp = Sys_Milliseconds();
// send a broadcast packet
Com_DPrintf( "pinging broadcast...\n" );
// erm... modname isn't sent in local queries?
requeststring = va( "info %i %s %s", SERVERBROWSER_PROTOCOL_VERSION,
filter_allow_full ? "full" : "",
filter_allow_empty ? "empty" : "" );
for( i = 0; i < NUM_BROADCAST_PORTS; i++ )
{
NET_BroadcastAddress( padr, PORT_SERVER + i );
Netchan_OutOfBandPrint( &cls.socket_udp, padr, requeststring );
}
return;
}
//get what master
master = Cmd_Argv( 2 );
if( !master || !( *master ) )
return;
modname = Cmd_Argv( 3 );
// never allow anyone to use DEFAULT_BASEGAME as mod name
if( !modname || !modname[0] || !Q_stricmp( modname, DEFAULT_BASEGAME ) )
modname = APPLICATION;
assert( modname[0] );
// check memory cache
QMutex_Lock( resolveLock );
err = Trie_Find( serverlist_masters_trie, master, TRIE_EXACT_MATCH, (void **)&padr );
QMutex_Unlock( resolveLock );
if( err == TRIE_OK && ( padr->type == NA_IP || padr->type == NA_IP6 ) )
{
const char *cmdname;
socket_t *socket;
if ( padr->type == NA_IP )
{
cmdname = "getservers";
socket = &cls.socket_udp;
}
else
{
cmdname = "getserversExt";
socket = &cls.socket_udp6;
}
// create the message
requeststring = va( "%s %c%s %i %s %s", cmdname, toupper( modname[0] ), modname+1, SERVERBROWSER_PROTOCOL_VERSION,
filter_allow_full ? "full" : "",
filter_allow_empty ? "empty" : "" );
if( NET_GetAddressPort( padr ) == 0 )
NET_SetAddressPort( padr, PORT_MASTER );
Netchan_OutOfBandPrint( socket, padr, requeststring );
Com_DPrintf( "quering %s...%s: %s\n", master, NET_AddressToString(padr), requeststring );
}
else
{
Com_Printf( "Bad address: %s\n", master );
}
}
/*
* SV_Status_f
*/
void SV_Status_f( void )
{
int i, j, l;
client_t *cl;
const char *s;
int ping;
if( !svs.clients )
{
Com_Printf( "No server running.\n" );
return;
}
Com_Printf( "map : %s\n", sv.mapname );
Com_Printf( "num score ping name lastmsg address port rate \n" );
Com_Printf( "--- ----- ---- --------------- ------- --------------------- ------ ------\n" );
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
{
if( !cl->state )
continue;
Com_Printf( "%3i ", i );
Com_Printf( "%5i ", cl->edict->r.client->r.frags );
if( cl->state == CS_CONNECTED )
Com_Printf( "CNCT " );
else if( cl->state == CS_ZOMBIE )
Com_Printf( "ZMBI " );
else if( cl->state == CS_CONNECTING )
Com_Printf( "AWAI " );
else
{
ping = cl->ping < 9999 ? cl->ping : 9999;
Com_Printf( "%4i ", ping );
}
s = COM_RemoveColorTokens( cl->name );
Com_Printf( "%s", s );
l = 16 - (int)strlen( s );
for( j = 0; j < l; j++ )
Com_Printf( " " );
Com_Printf( "%7i ", svs.realtime - cl->lastPacketReceivedTime );
s = NET_AddressToString( &cl->netchan.remoteAddress );
Com_Printf( "%s", s );
l = 22 - (int)strlen( s );
for( j = 0; j < l; j++ )
Com_Printf( " " );
Com_Printf( "%5i", cl->netchan.game_port );
#ifndef RATEKILLED
// wsw : jal : print real rate in use
Com_Printf( " " );
if( cl->edict && ( cl->edict->r.svflags & SVF_FAKECLIENT ) )
Com_Printf( "BOT" );
else if( cl->rate == 99999 )
Com_Printf( "LAN" );
else
Com_Printf( "%5i", cl->rate );
#endif
Com_Printf( " " );
if( cl->mv )
Com_Printf( "MV" );
Com_Printf( "\n" );
}
Com_Printf( "\n" );
}
/*
* Netchan_Process
*
* Returns false if the message should not be processed due to being
* out of order or a fragment.
*
* Msg must be large enough to hold MAX_MSGLEN, because if this is the
* final fragment of a multi-part message, the entire thing will be
* copied out.
*/
bool Netchan_Process( netchan_t *chan, msg_t *msg )
{
int sequence, sequence_ack;
int game_port = -1;
int fragmentStart, fragmentLength;
bool fragmented = false;
int headerlength;
bool compressed = false;
bool lastfragment = false;
// get sequence numbers
MSG_BeginReading( msg );
sequence = MSG_ReadLong( msg );
sequence_ack = MSG_ReadLong( msg ); // wsw : jal : by now our header sends incoming ack too (q3 doesn't)
// check for fragment information
if( sequence & FRAGMENT_BIT )
{
sequence &= ~FRAGMENT_BIT;
fragmented = true;
if( net_showfragments->integer )
Com_Printf( "Process fragmented packet (%s) (id:%i)\n", NET_SocketToString( chan->socket ), sequence );
}
else
{
fragmented = false;
}
// wsw : jal : check for compressed information
if( sequence_ack & FRAGMENT_BIT )
{
sequence_ack &= ~FRAGMENT_BIT;
compressed = true;
if( !fragmented )
msg->compressed = true;
}
// read the game port if we are a server
if( chan->socket->server )
game_port = MSG_ReadShort( msg );
// read the fragment information
if( fragmented )
{
fragmentStart = MSG_ReadShort( msg );
fragmentLength = MSG_ReadShort( msg );
if( fragmentLength & FRAGMENT_LAST )
{
lastfragment = true;
fragmentLength &= ~FRAGMENT_LAST;
}
}
else
{
fragmentStart = 0; // stop warning message
fragmentLength = 0;
}
if( showpackets->integer )
{
if( fragmented )
{
Com_Printf( "%s recv %4i : s=%i fragment=%i,%i\n", NET_SocketToString( chan->socket ), msg->cursize,
sequence, fragmentStart, fragmentLength );
}
else
{
Com_Printf( "%s recv %4i : s=%i\n", NET_SocketToString( chan->socket ), msg->cursize, sequence );
}
}
//
// discard out of order or duplicated packets
//
if( sequence <= chan->incomingSequence )
{
if( showdrop->integer || showpackets->integer )
{
Com_Printf( "%s:Out of order packet %i at %i\n", NET_AddressToString( &chan->remoteAddress ), sequence,
chan->incomingSequence );
}
return false;
}
//
// dropped packets don't keep the message from being used
//
chan->dropped = sequence - ( chan->incomingSequence+1 );
if( chan->dropped > 0 )
{
if( showdrop->integer || showpackets->integer )
{
Com_Printf( "%s:Dropped %i packets at %i\n", NET_AddressToString( &chan->remoteAddress ), chan->dropped,
sequence );
}
}
//
// if this is the final framgent of a reliable message,
// bump incoming_reliable_sequence
//
if( fragmented )
{
// TTimo
// make sure we add the fragments in correct order
// either a packet was dropped, or we received this one too soon
// we don't reconstruct the fragments. we will wait till this fragment gets to us again
// (NOTE: we could probably try to rebuild by out of order chunks if needed)
if( sequence != chan->fragmentSequence )
{
chan->fragmentSequence = sequence;
chan->fragmentLength = 0;
}
// if we missed a fragment, dump the message
if( fragmentStart != (int) chan->fragmentLength )
{
if( showdrop->integer || showpackets->integer )
{
Com_Printf( "%s:Dropped a message fragment\n", NET_AddressToString( &chan->remoteAddress ), sequence );
}
// we can still keep the part that we have so far,
// so we don't need to clear chan->fragmentLength
return false;
}
// copy the fragment to the fragment buffer
if( fragmentLength < 0 || msg->readcount + fragmentLength > msg->cursize ||
chan->fragmentLength + fragmentLength > sizeof( chan->fragmentBuffer ) )
{
if( showdrop->integer || showpackets->integer )
{
Com_Printf( "%s:illegal fragment length\n", NET_AddressToString( &chan->remoteAddress ) );
}
return false;
}
memcpy( chan->fragmentBuffer + chan->fragmentLength, msg->data + msg->readcount, fragmentLength );
chan->fragmentLength += fragmentLength;
// if this wasn't the last fragment, don't process anything
if( !lastfragment )
{
return false;
}
if( chan->fragmentLength > msg->maxsize )
{
Com_Printf( "%s:fragmentLength %i > msg->maxsize\n", NET_AddressToString( &chan->remoteAddress ),
chan->fragmentLength );
return false;
}
// wsw : jal : reconstruct the message
MSG_Clear( msg );
MSG_WriteLong( msg, sequence );
MSG_WriteLong( msg, sequence_ack );
if( chan->socket->server )
MSG_WriteShort( msg, game_port );
msg->compressed = compressed;
headerlength = msg->cursize;
MSG_CopyData( msg, chan->fragmentBuffer, chan->fragmentLength );
msg->readcount = headerlength; // put read pointer after header again
chan->fragmentLength = 0;
//let it be finished as standard packets
}
// the message can now be read from the current message pointer
chan->incomingSequence = sequence;
// wsw : jal[start] : get the ack from the very first fragment
chan->incoming_acknowledged = sequence_ack;
// wsw : jal[end]
return true;
}
/*
* SVC_Ack
*/
static void SVC_Ack( const socket_t *socket, const netadr_t *address )
{
Com_Printf( "Ping acknowledge from %s\n", NET_AddressToString( address ) );
}
/*
* SVC_DirectConnect
* A connection request that did not come from the master
*/
static void SVC_DirectConnect( const socket_t *socket, const netadr_t *address )
{
#ifdef TCP_ALLOW_CONNECT
int incoming = 0;
#endif
char userinfo[MAX_INFO_STRING];
client_t *cl, *newcl;
int i, version, game_port, challenge;
int previousclients;
int session_id;
char *session_id_str;
unsigned int ticket_id;
qboolean tv_client;
Com_DPrintf( "SVC_DirectConnect (%s)\n", Cmd_Args() );
version = atoi( Cmd_Argv( 1 ) );
if( version != APP_PROTOCOL_VERSION )
{
if( version <= 6 )
{ // before reject packet was added
Netchan_OutOfBandPrint( socket, address, "print\nServer is version %4.2f. Protocol %3i\n",
APP_VERSION, APP_PROTOCOL_VERSION );
}
else
{
Netchan_OutOfBandPrint( socket, address,
"reject\n%i\n%i\nServer and client don't have the same version\n", DROP_TYPE_GENERAL, 0 );
}
Com_DPrintf( " rejected connect from protocol %i\n", version );
return;
}
game_port = atoi( Cmd_Argv( 2 ) );
challenge = atoi( Cmd_Argv( 3 ) );
tv_client = ( atoi( Cmd_Argv( 5 ) ) & 1 ? qtrue : qfalse );
if( !Info_Validate( Cmd_Argv( 4 ) ) )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nInvalid userinfo string\n", DROP_TYPE_GENERAL, 0 );
Com_DPrintf( "Connection from %s refused: invalid userinfo string\n", NET_AddressToString( address ) );
return;
}
Q_strncpyz( userinfo, Cmd_Argv( 4 ), sizeof( userinfo ) );
// force the IP key/value pair so the game can filter based on ip
if( !Info_SetValueForKey( userinfo, "socket", NET_SocketTypeToString( socket->type ) ) )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nError: Couldn't set userinfo (socket)\n",
DROP_TYPE_GENERAL, 0 );
Com_DPrintf( "Connection from %s refused: couldn't set userinfo (socket)\n", NET_AddressToString( address ) );
return;
}
if( !Info_SetValueForKey( userinfo, "ip", NET_AddressToString( address ) ) )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nError: Couldn't set userinfo (ip)\n",
DROP_TYPE_GENERAL, 0 );
Com_DPrintf( "Connection from %s refused: couldn't set userinfo (ip)\n", NET_AddressToString( address ) );
return;
}
if( Cmd_Argc() >= 7 )
{
// we have extended information, ticket-id and session-id
Com_Printf("Extended information %s\n", Cmd_Argv(6) );
ticket_id = (unsigned int)atoi( Cmd_Argv(6) );
session_id_str = Info_ValueForKey( userinfo, "cl_mm_session" );
if( session_id_str != NULL )
session_id = atoi( session_id_str );
else
session_id = 0;
}
else
{
ticket_id = 0;
session_id = 0;
}
#ifdef TCP_ALLOW_CONNECT
if( socket->type == SOCKET_TCP )
{
// find the connection
for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
{
if( !svs.incoming[i].active )
continue;
if( NET_CompareAddress( &svs.incoming[i].address, address ) && socket == &svs.incoming[i].socket )
break;
}
if( i == MAX_INCOMING_CONNECTIONS )
{
Com_Error( ERR_FATAL, "Incoming connection not found.\n" );
return;
}
incoming = i;
}
#endif
// see if the challenge is valid
for( i = 0; i < MAX_CHALLENGES; i++ )
{
if( NET_CompareBaseAddress( address, &svs.challenges[i].adr ) )
{
if( challenge == svs.challenges[i].challenge )
{
svs.challenges[i].challenge = 0; // wsw : r1q2 : reset challenge
svs.challenges[i].time = 0;
NET_InitAddress( &svs.challenges[i].adr, NA_NOTRANSMIT );
break; // good
}
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nBad challenge\n",
DROP_TYPE_GENERAL, DROP_FLAG_AUTORECONNECT );
return;
}
}
if( i == MAX_CHALLENGES )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nNo challenge for address\n",
DROP_TYPE_GENERAL, DROP_FLAG_AUTORECONNECT );
return;
}
//r1: limit connections from a single IP
if( sv_iplimit->integer )
{
previousclients = 0;
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
{
if( cl->state == CS_FREE )
continue;
if( NET_CompareBaseAddress( address, &cl->netchan.remoteAddress ) )
{
//r1: zombies are less dangerous
if( cl->state == CS_ZOMBIE )
previousclients++;
else
previousclients += 2;
}
}
if( previousclients >= sv_iplimit->integer * 2 )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nToo many connections from your host\n", DROP_TYPE_GENERAL,
DROP_FLAG_AUTORECONNECT );
Com_DPrintf( "%s:connect rejected : too many connections\n", NET_AddressToString( address ) );
return;
}
}
newcl = NULL;
// 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_CompareAddress( address, &cl->netchan.remoteAddress ) ||
( NET_CompareBaseAddress( address, &cl->netchan.remoteAddress ) && cl->netchan.game_port == game_port ) )
{
if( !NET_IsLocalAddress( address ) &&
( svs.realtime - cl->lastconnect ) < (unsigned)( sv_reconnectlimit->integer * 1000 ) )
{
Com_DPrintf( "%s:reconnect rejected : too soon\n", NET_AddressToString( address ) );
return;
}
Com_Printf( "%s:reconnect\n", NET_AddressToString( address ) );
newcl = cl;
break;
}
}
// find a client slot
if( !newcl )
{
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
{
if( cl->state == CS_FREE )
{
newcl = cl;
break;
}
// overwrite fakeclient if no free spots found
if( cl->state && cl->edict && ( cl->edict->r.svflags & SVF_FAKECLIENT ) )
newcl = cl;
}
if( !newcl )
{
Netchan_OutOfBandPrint( socket, address, "reject\n%i\n%i\nServer is full\n", DROP_TYPE_GENERAL,
DROP_FLAG_AUTORECONNECT );
Com_DPrintf( "Server is full. Rejected a connection.\n" );
return;
}
if( newcl->state && newcl->edict && ( newcl->edict->r.svflags & SVF_FAKECLIENT ) )
SV_DropClient( newcl, DROP_TYPE_GENERAL, "Need room for a real player" );
}
// get the game a chance to reject this connection or modify the userinfo
if( !SV_ClientConnect( socket, address, newcl, userinfo, game_port, challenge, qfalse,
tv_client, ticket_id, session_id ) )
{
char *rejtype, *rejflag, *rejtypeflag, *rejmsg;
rejtype = Info_ValueForKey( userinfo, "rejtype" );
if( !rejtype )
rejtype = "0";
rejflag = Info_ValueForKey( userinfo, "rejflag" );
if( !rejflag )
rejflag = "0";
// hax because Info_ValueForKey can only be called twice in a row
rejtypeflag = va( "%s\n%s", rejtype, rejflag );
rejmsg = Info_ValueForKey( userinfo, "rejmsg" );
if( !rejmsg )
rejmsg = "Game module rejected connection";
Netchan_OutOfBandPrint( socket, address, "reject\n%s\n%s\n", rejtypeflag, rejmsg );
Com_DPrintf( "Game rejected a connection.\n" );
return;
}
// send the connect packet to the client
Netchan_OutOfBandPrint( socket, address, "client_connect\n%s", newcl->session );
// free the incoming entry
#ifdef TCP_ALLOW_CONNECT
if( socket->type == SOCKET_TCP )
{
svs.incoming[incoming].active = qfalse;
svs.incoming[incoming].socket.open = qfalse;
}
#endif
}
/*
* SVC_InfoResponse
*
* Responds with short info for broadcast scans
* The second parameter should be the current protocol version number.
*/
static void SVC_InfoResponse( const socket_t *socket, const netadr_t *address )
{
int i, count;
char *string;
qboolean allow_empty = qfalse, allow_full = qfalse;
if( sv_showInfoQueries->integer )
Com_Printf( "Info Packet %s\n", NET_AddressToString( address ) );
// KoFFiE: When not public and coming from a LAN address
// assume broadcast and respond anyway, otherwise ignore
if( ( ( !sv_public->integer ) && ( !NET_IsLANAddress( address ) ) ) ||
( sv_maxclients->integer == 1 ) )
{
return;
}
// ignore when in invalid server state
if( sv.state < ss_loading || sv.state > ss_game )
return;
// don't reply when we are locked for mm
// if( SV_MM_IsLocked() )
// return;
// different protocol version
if( atoi( Cmd_Argv( 1 ) ) != APP_PROTOCOL_VERSION )
return;
// check for full/empty filtered states
for( i = 0; i < Cmd_Argc(); i++ )
{
if( !Q_stricmp( Cmd_Argv( i ), "full" ) )
allow_full = qtrue;
if( !Q_stricmp( Cmd_Argv( i ), "empty" ) )
allow_empty = qtrue;
}
count = 0;
for( i = 0; i < sv_maxclients->integer; i++ )
{
if( svs.clients[i].state >= CS_CONNECTED )
{
count++;
}
}
if( ( count == sv_maxclients->integer ) && !allow_full )
{
return;
}
if( ( count == 0 ) && !allow_empty )
{
return;
}
string = SV_ShortInfoString();
if( string )
Netchan_OutOfBandPrint( socket, address, "info\n%s", string );
}