/*
===============
G_SendCommandFromServer
Sends a command to a client
===============
*/
void G_SendCommandFromServer( int clientNum, const char *cmd )
{
commandQueue_t *cq = &queuedCommands[ clientNum ];
if( clientNum < 0 )
cq = NULL;
if( strlen( cmd ) > 1022 )
{
G_LogPrintf( "G_SendCommandFromServer( %d, ... ) length exceeds 1022.\n", clientNum );
G_LogPrintf( "cmd [%s]\n", cmd );
return;
}
if( cq )
{
gclient_t *cl = &level.clients[ clientNum ];
if( cq->nextCommandTime > level.time || G_ClientIsLagging( cl ) )
{
//can't send yet, so queue the command up
G_PushCommandQueue( cq, cmd );
}
else
{
cq->nextCommandTime = level.time + g_minCommandPeriod.integer;
trap_SendServerCommand( clientNum, cmd );
}
}
else //no queue exists for this client
trap_SendServerCommand( clientNum, cmd );
}
/*
===============
G_ProcessCommandQueues
Check for any outstanding commands to be sent
===============
*/
void G_ProcessCommandQueues( void )
{
int i;
for( i = 0; i < MAX_CLIENTS; i++ )
{
gclient_t *cl = &level.clients[ i ];
commandQueue_t *cq = &queuedCommands[ i ];
if( !G_ClientIsLagging( cl ) && G_ReadyToDequeue( cq ) )
{
const char *command = G_PopCommandQueue( cq );
if( command )
trap_SendServerCommand( i, command );
}
}
}
/*
===========
ClientConnect
Called when a player begins connecting to the server.
Called again for every map change or tournement restart.
The session information will be valid after exit.
Return NULL if the client should be allowed, otherwise return
a string with the reason for denial.
Otherwise, the client will be sent the current gamestate
and will eventually get to ClientBegin.
firstTime will be qtrue the very first time a client connects
to the server machine, but qfalse on map changes and tournement
restarts.
============
*/
char *ClientConnect( int clientNum, qboolean firstTime )
{
char *value;
char *userInfoError;
gclient_t *client;
char userinfo[ MAX_INFO_STRING ];
gentity_t *ent;
char reason[ MAX_STRING_CHARS ] = {""};
int i;
ent = &g_entities[ clientNum ];
client = &level.clients[ clientNum ];
// ignore if client already connected
if( client->pers.connected != CON_DISCONNECTED )
return NULL;
ent->client = client;
memset( client, 0, sizeof( *client ) );
trap_GetUserinfo( clientNum, userinfo, sizeof( userinfo ) );
value = Info_ValueForKey( userinfo, "cl_guid" );
Q_strncpyz( client->pers.guid, value, sizeof( client->pers.guid ) );
value = Info_ValueForKey( userinfo, "ip" );
// check for local client
if( !strcmp( value, "localhost" ) )
client->pers.localClient = qtrue;
G_AddressParse( value, &client->pers.ip );
client->pers.admin = G_admin_admin( client->pers.guid );
// check for admin ban
if( G_admin_ban_check( ent, reason, sizeof( reason ) ) )
{
return va( "%s", reason );
}
// check for a password
value = Info_ValueForKey( userinfo, "password" );
if( g_password.string[ 0 ] && Q_stricmp( g_password.string, "none" ) &&
strcmp( g_password.string, value ) != 0 )
return "Invalid password";
// add guid to session so we don't have to keep parsing userinfo everywhere
for( i = 0; i < sizeof( client->pers.guid ) - 1 &&
isxdigit( client->pers.guid[ i ] ); i++ );
if( i < sizeof( client->pers.guid ) - 1 )
return "Invalid GUID";
for( i = 0; i < level.maxclients; i++ )
{
if( level.clients[ i ].pers.connected == CON_DISCONNECTED )
continue;
if( !Q_stricmp( client->pers.guid, level.clients[ i ].pers.guid ) )
{
if( !G_ClientIsLagging( level.clients + i ) )
{
trap_SendServerCommand( i, "cp \"Your GUID is not secure\"" );
return "Duplicate GUID";
}
trap_DropClient( i, "Ghost" );
}
}
client->pers.connected = CON_CONNECTING;
// read or initialize the session data
if( firstTime || level.newSession )
G_InitSessionData( client, userinfo );
G_ReadSessionData( client );
// get and distribute relevent paramters
G_namelog_connect( client );
userInfoError = ClientUserinfoChanged( clientNum, qfalse );
if( userInfoError != NULL )
return userInfoError;
G_LogPrintf( "ClientConnect: %i [%s] (%s) \"%s^7\" \"%c%s%c^7\"\n",
clientNum, client->pers.ip.str, client->pers.guid,
client->pers.netname,
DECOLOR_OFF, client->pers.netname, DECOLOR_ON );
// don't do the "xxx connected" messages if they were caried over from previous level
if( firstTime )
trap_SendServerCommand( -1, va( "print \"%s" S_COLOR_WHITE " connected\n\"",
client->pers.netname ) );
if( client->pers.admin )
G_admin_authlog( ent );
// count current clients and rank for scoreboard
CalculateRanks( );
// if this is after !restart keepteams or !restart switchteams, apply said selection
if ( client->sess.restartTeam != TEAM_NONE )
{
G_ChangeTeam( ent, client->sess.restartTeam );
client->sess.restartTeam = TEAM_NONE;
}
return NULL;
}
/*
===========
ClientConnect
Called when a player begins connecting to the server.
Called again for every map change or tournement restart.
The session information will be valid after exit.
Return nullptr if the client should be allowed, otherwise return
a string with the reason for denial.
Otherwise, the client will be sent the current gamestate
and will eventually get to ClientBegin.
firstTime will be true the very first time a client connects
to the server machine, but false on map changes and tournement
restarts.
============
*/
const char *ClientConnect( int clientNum, bool firstTime )
{
const char *value;
const char *userInfoError;
gclient_t *client;
char userinfo[ MAX_INFO_STRING ];
char pubkey[ RSA_STRING_LENGTH ];
gentity_t *ent;
char reason[ MAX_STRING_CHARS ] = { "" };
int i;
const char *country;
ent = &g_entities[ clientNum ];
client = &level.clients[ clientNum ];
// ignore if client already connected
if ( client->pers.connected != CON_DISCONNECTED )
{
return nullptr;
}
ent->client = client;
memset( client, 0, sizeof( *client ) );
trap_GetUserinfo( clientNum, userinfo, sizeof( userinfo ) );
value = Info_ValueForKey( userinfo, "ip" );
// check for local client
if ( !strcmp( value, "localhost" ) )
{
client->pers.localClient = true;
}
G_AddressParse( value, &client->pers.ip );
trap_GetPlayerPubkey( clientNum, pubkey, sizeof( pubkey ) );
if ( strlen( pubkey ) != RSA_STRING_LENGTH - 1 )
{
return "Invalid pubkey key";
}
trap_GenFingerprint( pubkey, sizeof( pubkey ), client->pers.guid, sizeof( client->pers.guid ) );
client->pers.admin = G_admin_admin( client->pers.guid );
client->pers.pubkey_authenticated = false;
if ( client->pers.admin )
{
Com_GMTime( &client->pers.admin->lastSeen );
}
// check for admin ban
if ( G_admin_ban_check( ent, reason, sizeof( reason ) ) )
{
return va( "%s", reason ); // reason is local
}
// check for a password
value = Info_ValueForKey( userinfo, "password" );
if ( g_password.string[ 0 ] && Q_stricmp( g_password.string, "none" ) &&
strcmp( g_password.string, value ) != 0 )
{
return "Invalid password";
}
// if a player reconnects quickly after a disconnect, the client disconnect may never be called, thus flag can get lost in the ether
if ( ent->inuse )
{
G_LogPrintf( "Forcing disconnect on active client: %i", (int)( ent - g_entities ) );
// so lets just fix up anything that should happen on a disconnect
ClientDisconnect( ent-g_entities );
}
for ( i = 0; i < level.maxclients; i++ )
{
if ( level.clients[ i ].pers.connected == CON_DISCONNECTED )
{
continue;
}
if ( !( g_entities[i].r.svFlags & SVF_BOT ) && !Q_stricmp( client->pers.guid, level.clients[ i ].pers.guid ) )
{
if ( !G_ClientIsLagging( level.clients + i ) )
{
trap_SendServerCommand( i, "cp \"Your GUID is not secure\"" );
return "Duplicate GUID";
}
trap_DropClient( i, "Ghost" );
}
}
client->pers.connected = CON_CONNECTING;
// read or initialize the session data
if ( firstTime )
{
G_InitSessionData( client, userinfo );
}
G_ReadSessionData( client );
// get and distribute relevent paramters
G_namelog_connect( client );
userInfoError = ClientUserinfoChanged( clientNum, false );
if ( userInfoError != nullptr )
{
return userInfoError;
}
G_LogPrintf( "ClientConnect: %i [%s] (%s) \"%s^7\" \"%s^7\"",
clientNum, client->pers.ip.str[0] ? client->pers.ip.str : "127.0.0.1", client->pers.guid,
client->pers.netname,
client->pers.netname );
country = Info_ValueForKey( userinfo, "geoip" );
Q_strncpyz( client->pers.country, country, sizeof( client->pers.country ) );
G_SendClientPmoveParams(clientNum);
// don't do the "xxx connected" messages if they were caried over from previous level
if ( firstTime )
{
if ( g_geoip.integer && country && *country )
{
trap_SendServerCommand( -1, va( "print_tr %s %s %s", QQ( N_("$1$^7 connected from $2$") ),
Quote( client->pers.netname ), Quote( country ) ) );
}
else
{
trap_SendServerCommand( -1, va( "print_tr %s %s", QQ( N_("$1$^7 connected") ),
Quote( client->pers.netname ) ) );
}
}
// count current clients and rank for scoreboard
CalculateRanks();
// if this is after !restart keepteams or !restart switchteams, apply said selection
if ( client->sess.restartTeam != TEAM_NONE )
{
G_ChangeTeam( ent, client->sess.restartTeam );
client->sess.restartTeam = TEAM_NONE;
}
return nullptr;
}
