mirror of
https://github.com/FWGS/xash3d-fwgs
synced 2024-12-12 11:59:53 +01:00
2449 lines
59 KiB
C
2449 lines
59 KiB
C
/*
|
|
sv_client.c - client interactions
|
|
Copyright (C) 2008 Uncle Mike
|
|
|
|
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 3 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.
|
|
*/
|
|
|
|
#include "common.h"
|
|
#include "const.h"
|
|
#include "server.h"
|
|
#include "net_encode.h"
|
|
#include "net_api.h"
|
|
|
|
const char *clc_strings[clc_lastmsg+1] =
|
|
{
|
|
"clc_bad",
|
|
"clc_nop",
|
|
"clc_move",
|
|
"clc_stringcmd",
|
|
"clc_delta",
|
|
"clc_resourcelist",
|
|
"clc_unused6",
|
|
"clc_fileconsistency",
|
|
"clc_voicedata",
|
|
"clc_cvarvalue",
|
|
"clc_cvarvalue2",
|
|
};
|
|
|
|
typedef struct ucmd_s
|
|
{
|
|
const char *name;
|
|
qboolean (*func)( sv_client_t *cl );
|
|
} ucmd_t;
|
|
|
|
static int g_userid = 1;
|
|
|
|
/*
|
|
=================
|
|
SV_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.
|
|
=================
|
|
*/
|
|
void SV_GetChallenge( netadr_t from )
|
|
{
|
|
int i, oldest = 0;
|
|
double oldestTime;
|
|
|
|
oldestTime = 0x7fffffff;
|
|
|
|
// see if we already have a challenge for this ip
|
|
for( i = 0; i < MAX_CHALLENGES; i++ )
|
|
{
|
|
if( !svs.challenges[i].connected && NET_CompareAdr( from, svs.challenges[i].adr ))
|
|
break;
|
|
|
|
if( svs.challenges[i].time < oldestTime )
|
|
{
|
|
oldestTime = svs.challenges[i].time;
|
|
oldest = i;
|
|
}
|
|
}
|
|
|
|
if( i == MAX_CHALLENGES )
|
|
{
|
|
// this is the first time this client has asked for a challenge
|
|
svs.challenges[oldest].challenge = (COM_RandomLong( 0, 0xFFFF ) << 16) | COM_RandomLong( 0, 0xFFFF );
|
|
svs.challenges[oldest].adr = from;
|
|
svs.challenges[oldest].time = host.realtime;
|
|
svs.challenges[oldest].connected = false;
|
|
i = oldest;
|
|
}
|
|
|
|
// send it back
|
|
Netchan_OutOfBandPrint( NS_SERVER, svs.challenges[i].adr, "challenge %i", svs.challenges[i].challenge );
|
|
}
|
|
|
|
int SV_GetFragmentSize( sv_client_t *cl )
|
|
{
|
|
int cl_frag_size;
|
|
|
|
if( Netchan_IsLocal( &cl->netchan ))
|
|
return FRAGMENT_LOCAL_SIZE;
|
|
|
|
cl_frag_size = Q_atoi( Info_ValueForKey( cl->userinfo, "cl_dlmax" ));
|
|
cl_frag_size = bound( FRAGMENT_MIN_SIZE, cl_frag_size, FRAGMENT_MAX_SIZE );
|
|
|
|
return cl_frag_size;
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_RejectConnection
|
|
|
|
Rejects connection request and sends back a message
|
|
================
|
|
*/
|
|
void SV_RejectConnection( netadr_t from, char *fmt, ... )
|
|
{
|
|
char text[1024];
|
|
va_list argptr;
|
|
|
|
va_start( argptr, fmt );
|
|
Q_vsnprintf( text, sizeof( text ), fmt, argptr );
|
|
va_end( argptr );
|
|
|
|
Con_Reportf( "%s connection refused. Reason: %s\n", NET_AdrToString( from ), text );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, "print\n^1Server was reject the connection:^7 %s", text );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, "disconnect\n" );
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_FailDownload
|
|
|
|
for some reasons file can't be downloaded
|
|
tell the client about this problem
|
|
================
|
|
*/
|
|
void SV_FailDownload( sv_client_t *cl, const char *filename )
|
|
{
|
|
if( !COM_CheckString( filename ))
|
|
return;
|
|
|
|
MSG_BeginServerCmd( &cl->netchan.message, svc_filetxferfailed );
|
|
MSG_WriteString( &cl->netchan.message, filename );
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_CheckChallenge
|
|
|
|
Make sure connecting client is not spoofing
|
|
================
|
|
*/
|
|
int SV_CheckChallenge( netadr_t from, int challenge )
|
|
{
|
|
int i;
|
|
|
|
// see if the challenge is valid
|
|
// don't care if it is a local address.
|
|
if( NET_IsLocalAddress( from ))
|
|
return 1;
|
|
|
|
for( i = 0; i < MAX_CHALLENGES; i++ )
|
|
{
|
|
if( NET_CompareAdr( from, svs.challenges[i].adr ))
|
|
{
|
|
if( challenge == svs.challenges[i].challenge )
|
|
break; // valid challenge
|
|
#if 0
|
|
// g-cont. this breaks multiple connections from single machine
|
|
SV_RejectConnection( from, "bad challenge %i\n", challenge );
|
|
return 0;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if( i == MAX_CHALLENGES )
|
|
{
|
|
SV_RejectConnection( from, "no challenge for your address\n" );
|
|
return 0;
|
|
}
|
|
svs.challenges[i].connected = true;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_CheckIPRestrictions
|
|
|
|
Determine if client is outside appropriate address range
|
|
================
|
|
*/
|
|
int SV_CheckIPRestrictions( netadr_t from )
|
|
{
|
|
if( sv_lan.value )
|
|
{
|
|
if( !NET_CompareClassBAdr( from, net_local ) && !NET_IsReservedAdr( from ))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_FindEmptySlot
|
|
|
|
Get slot # and set client_t pointer for player, if possible
|
|
We don't do this search on a "reconnect, we just reuse the slot
|
|
================
|
|
*/
|
|
int SV_FindEmptySlot( netadr_t from, int *pslot, sv_client_t **ppClient )
|
|
{
|
|
sv_client_t *cl;
|
|
int i;
|
|
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
{
|
|
if( cl->state == cs_free )
|
|
{
|
|
*ppClient = cl;
|
|
*pslot = i;
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
SV_RejectConnection( from, "server is full\n" );
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_ConnectClient
|
|
|
|
A connection request that did not come from the master
|
|
==================
|
|
*/
|
|
void SV_ConnectClient( netadr_t from )
|
|
{
|
|
char userinfo[MAX_INFO_STRING];
|
|
char protinfo[MAX_INFO_STRING];
|
|
sv_client_t *cl, *newcl = NULL;
|
|
qboolean reconnect = false;
|
|
int nClientSlot = 0;
|
|
int qport, version;
|
|
int i, count = 0;
|
|
int challenge;
|
|
char *s;
|
|
|
|
if( Cmd_Argc() < 5 )
|
|
{
|
|
SV_RejectConnection( from, "insufficient connection info\n" );
|
|
return;
|
|
}
|
|
|
|
version = Q_atoi( Cmd_Argv( 1 ));
|
|
|
|
if( version != PROTOCOL_VERSION )
|
|
{
|
|
SV_RejectConnection( from, "unsupported protocol (%i should be %i)\n", version, PROTOCOL_VERSION );
|
|
return;
|
|
}
|
|
|
|
challenge = Q_atoi( Cmd_Argv( 2 )); // get challenge
|
|
|
|
// see if the challenge is valid (local clients don't need to challenge)
|
|
if( !SV_CheckChallenge( from, challenge ))
|
|
return;
|
|
|
|
s = Cmd_Argv( 3 ); // protocol info
|
|
|
|
if( !Info_IsValid( s ))
|
|
{
|
|
SV_RejectConnection( from, "invalid protinfo in connect command\n" );
|
|
return;
|
|
}
|
|
|
|
Q_strncpy( protinfo, s, sizeof( protinfo ));
|
|
|
|
// extract qport from protocol info
|
|
qport = Q_atoi( Info_ValueForKey( protinfo, "qport" ));
|
|
|
|
s = Info_ValueForKey( protinfo, "uuid" );
|
|
if( Q_strlen( s ) != 32 )
|
|
{
|
|
SV_RejectConnection( from, "invalid authentication certificate length\n" );
|
|
return;
|
|
}
|
|
|
|
// LAN servers restrict to class b IP addresses
|
|
if( !SV_CheckIPRestrictions( from ))
|
|
{
|
|
SV_RejectConnection( from, "LAN servers are restricted to local clients (class C)\n" );
|
|
return;
|
|
}
|
|
|
|
s = Cmd_Argv( 4 ); // user info
|
|
|
|
if( Q_strlen( s ) > MAX_INFO_STRING || !Info_IsValid( s ))
|
|
{
|
|
SV_RejectConnection( from, "invalid userinfo in connect command\n" );
|
|
return;
|
|
}
|
|
|
|
Q_strncpy( userinfo, s, sizeof( userinfo ));
|
|
|
|
// check connection password (don't verify local client)
|
|
if( !NET_IsLocalAddress( from ) && sv_password.string[0] && Q_stricmp( sv_password.string, Info_ValueForKey( userinfo, "password" )))
|
|
{
|
|
SV_RejectConnection( from, "invalid password\n" );
|
|
return;
|
|
}
|
|
|
|
// if there is already a slot for this ip, reuse it
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
{
|
|
if( cl->state == cs_free || cl->state == cs_zombie )
|
|
continue;
|
|
|
|
if( NET_CompareBaseAdr( from, cl->netchan.remote_address ) && ( cl->netchan.qport == qport || from.port == cl->netchan.remote_address.port ))
|
|
{
|
|
reconnect = true;
|
|
newcl = cl;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// A reconnecting client will re-use the slot found above when checking for reconnection.
|
|
// the slot will be wiped clean.
|
|
if( !reconnect )
|
|
{
|
|
// connect the client if there are empty slots.
|
|
if( !SV_FindEmptySlot( from, &nClientSlot, &newcl ))
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
Con_Reportf( S_NOTE "%s:reconnect\n", NET_AdrToString( from ));
|
|
}
|
|
|
|
// find a client slot
|
|
ASSERT( newcl != NULL );
|
|
|
|
// build a new connection
|
|
// accept the new client
|
|
sv.current_client = newcl;
|
|
newcl->edict = EDICT_NUM( (newcl - svs.clients) + 1 );
|
|
newcl->challenge = challenge; // save challenge for checksumming
|
|
newcl->frames = (client_frame_t *)Z_Calloc( sizeof( client_frame_t ) * SV_UPDATE_BACKUP );
|
|
newcl->userid = g_userid++; // create unique userid
|
|
newcl->state = cs_connected;
|
|
|
|
// reset viewentities (from previous level)
|
|
memset( newcl->viewentity, 0, sizeof( newcl->viewentity ));
|
|
newcl->num_viewents = 0;
|
|
newcl->listeners = 0;
|
|
|
|
// initailize netchan
|
|
Netchan_Setup( NS_SERVER, &newcl->netchan, from, qport, newcl, SV_GetFragmentSize );
|
|
MSG_Init( &newcl->datagram, "Datagram", newcl->datagram_buf, sizeof( newcl->datagram_buf )); // datagram buf
|
|
|
|
// send the connect packet to the client
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, "client_connect" );
|
|
|
|
newcl->upstate = us_inactive;
|
|
newcl->connection_started = host.realtime;
|
|
newcl->cl_updaterate = 0.05; // 20 fps as default
|
|
newcl->delta_sequence = -1;
|
|
newcl->flags = 0;
|
|
|
|
Q_strncpy( newcl->hashedcdkey, Info_ValueForKey( protinfo, "uuid" ), 32 );
|
|
newcl->hashedcdkey[32] = '\0';
|
|
|
|
// reset any remaining events
|
|
memset( &newcl->events, 0, sizeof( newcl->events ));
|
|
|
|
// parse some info from the info strings (this can override cl_updaterate)
|
|
Q_strncpy( newcl->userinfo, userinfo, sizeof( newcl->userinfo ));
|
|
SV_UserinfoChanged( newcl );
|
|
SV_ClearResourceLists( newcl );
|
|
#if 0
|
|
memset( &newcl->resourcesneeded, 0, sizeof( resource_t ));
|
|
memset( &newcl->resourcesonhand, 0, sizeof( resource_t ));
|
|
newcl->resourcesneeded.pNext = newcl->resourcesneeded.pPrev = &newcl->resourcesneeded;
|
|
newcl->resourcesonhand.pNext = newcl->resourcesonhand.pPrev = &newcl->resourcesonhand;
|
|
#endif
|
|
newcl->next_messagetime = host.realtime + newcl->cl_updaterate;
|
|
newcl->next_sendinfotime = 0.0;
|
|
newcl->ignored_ents = 0;
|
|
newcl->chokecount = 0;
|
|
|
|
// reset stats
|
|
newcl->next_checkpingtime = -1.0;
|
|
newcl->packet_loss = 0.0f;
|
|
|
|
// if this was the first client on the server, or the last client
|
|
// the server can hold, send a heartbeat to the master.
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
if( cl->state >= cs_connected ) count++;
|
|
|
|
Log_Printf( "\"%s<%i><%i><>\" connected, address \"%s\"\n", newcl->name, newcl->userid, i, NET_AdrToString( newcl->netchan.remote_address ));
|
|
|
|
if( count == 1 || count == svs.maxclients )
|
|
svs.last_heartbeat = MAX_HEARTBEAT;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_FakeConnect
|
|
|
|
A connection request that came from the game module
|
|
==================
|
|
*/
|
|
edict_t *SV_FakeConnect( const char *netname )
|
|
{
|
|
char userinfo[MAX_INFO_STRING];
|
|
int i, count = 0;
|
|
sv_client_t *cl;
|
|
|
|
if( !COM_CheckString( netname ))
|
|
netname = "Bot";
|
|
|
|
// find a client slot
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
{
|
|
if( cl->state == cs_free )
|
|
break;
|
|
}
|
|
|
|
if( i == svs.maxclients )
|
|
return NULL; // server is full
|
|
|
|
userinfo[0] = '\0';
|
|
|
|
// setup fake client params
|
|
Info_SetValueForKey( userinfo, "name", netname, MAX_INFO_STRING );
|
|
Info_SetValueForKey( userinfo, "model", "gordon", MAX_INFO_STRING );
|
|
Info_SetValueForKey( userinfo, "topcolor", "1", MAX_INFO_STRING );
|
|
Info_SetValueForKey( userinfo, "bottomcolor", "1", MAX_INFO_STRING );
|
|
|
|
// build a new connection
|
|
// accept the new client
|
|
sv.current_client = cl;
|
|
|
|
if( cl->frames ) Mem_Free( cl->frames ); // fakeclients doesn't have frames
|
|
memset( cl, 0, sizeof( sv_client_t ));
|
|
|
|
cl->edict = EDICT_NUM( (cl - svs.clients) + 1 );
|
|
cl->userid = g_userid++; // create unique userid
|
|
SetBits( cl->flags, FCL_FAKECLIENT );
|
|
|
|
// parse some info from the info strings
|
|
Q_strncpy( cl->userinfo, userinfo, sizeof( cl->userinfo ));
|
|
SV_UserinfoChanged( cl );
|
|
SetBits( cl->flags, FCL_RESEND_USERINFO );
|
|
cl->next_sendinfotime = 0.0;
|
|
|
|
// if this was the first client on the server, or the last client
|
|
// the server can hold, send a heartbeat to the master.
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
if( cl->state >= cs_connected ) count++;
|
|
cl = sv.current_client;
|
|
|
|
Log_Printf( "\"%s<%i><%i><>\" connected, address \"local\"\n", cl->name, cl->userid, i );
|
|
|
|
SetBits( cl->edict->v.flags, FL_CLIENT|FL_FAKECLIENT ); // mark it as fakeclient
|
|
cl->connection_started = host.realtime;
|
|
cl->state = cs_spawned;
|
|
|
|
if( count == 1 || count == svs.maxclients )
|
|
svs.last_heartbeat = MAX_HEARTBEAT;
|
|
|
|
return cl->edict;
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
SV_DropClient
|
|
|
|
Called when the player is totally leaving the server, either willingly
|
|
or unwillingly. This is NOT called if the entire server is quiting
|
|
or crashing.
|
|
=====================
|
|
*/
|
|
void SV_DropClient( sv_client_t *cl, qboolean crash )
|
|
{
|
|
int i;
|
|
|
|
if( cl->state == cs_zombie )
|
|
return; // already dropped
|
|
|
|
if( !crash )
|
|
{
|
|
// add the disconnect
|
|
if( !FBitSet( cl->flags, FCL_FAKECLIENT ))
|
|
MSG_BeginServerCmd( &cl->netchan.message, svc_disconnect );
|
|
|
|
if( cl->edict && cl->state == cs_spawned )
|
|
svgame.dllFuncs.pfnClientDisconnect( cl->edict );
|
|
Netchan_TransmitBits( &cl->netchan, 0, NULL );
|
|
}
|
|
|
|
ClearBits( cl->flags, FCL_FAKECLIENT );
|
|
ClearBits( cl->flags, FCL_HLTV_PROXY );
|
|
cl->state = cs_zombie; // become free in a few seconds
|
|
cl->name[0] = 0;
|
|
|
|
if( cl->frames )
|
|
Mem_Free( cl->frames ); // release delta
|
|
cl->frames = NULL;
|
|
|
|
if( NET_CompareBaseAdr( cl->netchan.remote_address, host.rd.address ))
|
|
SV_EndRedirect();
|
|
|
|
// throw away any residual garbage in the channel.
|
|
Netchan_Clear( &cl->netchan );
|
|
|
|
// clean client data on disconnect
|
|
memset( cl->userinfo, 0, MAX_INFO_STRING );
|
|
memset( cl->physinfo, 0, MAX_INFO_STRING );
|
|
COM_ClearCustomizationList( &cl->customdata, false );
|
|
|
|
// don't send to other clients
|
|
cl->edict = NULL;
|
|
|
|
// send notification to all other clients
|
|
SV_FullClientUpdate( cl, &sv.reliable_datagram );
|
|
|
|
// if this was the last client on the server, send a heartbeat
|
|
// to the master so it is known the server is empty
|
|
// send a heartbeat now so the master will get up to date info
|
|
// if there is already a slot for this ip, reuse it
|
|
for( i = 0; i < svs.maxclients; i++ )
|
|
{
|
|
if( svs.clients[i].state >= cs_connected )
|
|
break;
|
|
}
|
|
|
|
if( i == svs.maxclients )
|
|
svs.last_heartbeat = MAX_HEARTBEAT;
|
|
}
|
|
|
|
/*
|
|
==============================================================================
|
|
|
|
SVC COMMAND REDIRECT
|
|
|
|
==============================================================================
|
|
*/
|
|
void SV_BeginRedirect( netadr_t adr, int target, char *buffer, int buffersize, void (*flush))
|
|
{
|
|
if( !target || !buffer || !buffersize || !flush )
|
|
return;
|
|
|
|
host.rd.target = target;
|
|
host.rd.buffer = buffer;
|
|
host.rd.buffersize = buffersize;
|
|
host.rd.flush = flush;
|
|
host.rd.address = adr;
|
|
host.rd.buffer[0] = 0;
|
|
}
|
|
|
|
void SV_FlushRedirect( netadr_t adr, int dest, char *buf )
|
|
{
|
|
if( sv.current_client && FBitSet( sv.current_client->flags, FCL_FAKECLIENT ))
|
|
return;
|
|
|
|
switch( dest )
|
|
{
|
|
case RD_PACKET:
|
|
Netchan_OutOfBandPrint( NS_SERVER, adr, "print\n%s", buf );
|
|
break;
|
|
case RD_CLIENT:
|
|
if( !sv.current_client ) return; // client not set
|
|
MSG_BeginServerCmd( &sv.current_client->netchan.message, svc_print );
|
|
MSG_WriteString( &sv.current_client->netchan.message, buf );
|
|
break;
|
|
case RD_NONE:
|
|
Con_Printf( S_ERROR "SV_FlushRedirect: %s: invalid destination\n", NET_AdrToString( adr ));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SV_EndRedirect( void )
|
|
{
|
|
if( host.rd.flush )
|
|
host.rd.flush( host.rd.address, host.rd.target, host.rd.buffer );
|
|
|
|
host.rd.target = 0;
|
|
host.rd.buffer = NULL;
|
|
host.rd.buffersize = 0;
|
|
host.rd.flush = NULL;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
SV_GetClientIDString
|
|
|
|
Returns a pointer to a static char for most likely only printing.
|
|
===============
|
|
*/
|
|
const char *SV_GetClientIDString( sv_client_t *cl )
|
|
{
|
|
static char result[MAX_QPATH];
|
|
|
|
if( !cl ) return "";
|
|
|
|
if( FBitSet( cl->flags, FCL_FAKECLIENT ))
|
|
{
|
|
Q_strncpy( result, "ID_BOT", sizeof( result ));
|
|
}
|
|
else if( NET_IsLocalAddress( cl->netchan.remote_address ))
|
|
{
|
|
Q_strncpy( result, "ID_LOOPBACK", sizeof( result ));
|
|
}
|
|
else if( sv_lan.value )
|
|
{
|
|
Q_strncpy( result, "ID_LAN", sizeof( result ));
|
|
}
|
|
else
|
|
{
|
|
Q_snprintf( result, sizeof( result ), "ID_%s", MD5_Print( cl->hashedcdkey ));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_TestBandWidth
|
|
|
|
================
|
|
*/
|
|
void SV_TestBandWidth( netadr_t from )
|
|
{
|
|
int version = Q_atoi( Cmd_Argv( 1 ));
|
|
int packetsize = Q_atoi( Cmd_Argv( 2 ));
|
|
byte send_buf[FRAGMENT_MAX_SIZE];
|
|
dword crcValue = 0;
|
|
byte *filepos;
|
|
int crcpos;
|
|
file_t *test;
|
|
sizebuf_t send;
|
|
|
|
// don't waste time of protocol mismatched
|
|
if( version != PROTOCOL_VERSION )
|
|
{
|
|
SV_RejectConnection( from, "unsupported protocol (%i should be %i)\n", version, PROTOCOL_VERSION );
|
|
return;
|
|
}
|
|
|
|
test = FS_Open( "gfx.wad", "rb", false );
|
|
|
|
if( FS_FileLength( test ) < sizeof( send_buf ))
|
|
{
|
|
// skip the test and just get challenge
|
|
SV_GetChallenge( from );
|
|
return;
|
|
}
|
|
|
|
// write the packet header
|
|
MSG_Init( &send, "BandWidthPacket", send_buf, sizeof( send_buf ));
|
|
MSG_WriteLong( &send, -1 ); // -1 sequence means out of band
|
|
MSG_WriteString( &send, "testpacket" );
|
|
crcpos = MSG_GetNumBytesWritten( &send );
|
|
MSG_WriteLong( &send, 0 ); // reserve space for crc
|
|
filepos = send.pData + MSG_GetNumBytesWritten( &send );
|
|
packetsize = packetsize - MSG_GetNumBytesWritten( &send ); // adjust the packet size
|
|
FS_Read( test, filepos, packetsize );
|
|
FS_Close( test );
|
|
|
|
CRC32_ProcessBuffer( &crcValue, filepos, packetsize ); // calc CRC
|
|
MSG_SeekToBit( &send, packetsize << 3, SEEK_CUR );
|
|
*(uint *)&send.pData[crcpos] = crcValue;
|
|
|
|
// send the datagram
|
|
NET_SendPacket( NS_SERVER, MSG_GetNumBytesWritten( &send ), MSG_GetData( &send ), from );
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_Ack
|
|
|
|
================
|
|
*/
|
|
void SV_Ack( netadr_t from )
|
|
{
|
|
Con_Printf( "ping %s\n", NET_AdrToString( from ));
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_Info
|
|
|
|
Responds with short info for broadcast scans
|
|
The second parameter should be the current protocol version number.
|
|
================
|
|
*/
|
|
void SV_Info( netadr_t from )
|
|
{
|
|
char string[MAX_INFO_STRING];
|
|
int i, count = 0;
|
|
int version;
|
|
|
|
// ignore in single player
|
|
if( svs.maxclients == 1 || !svs.initialized )
|
|
return;
|
|
|
|
version = Q_atoi( Cmd_Argv( 1 ));
|
|
string[0] = '\0';
|
|
|
|
if( version != PROTOCOL_VERSION )
|
|
{
|
|
Q_snprintf( string, sizeof( string ), "%s: wrong version\n", hostname.string );
|
|
}
|
|
else
|
|
{
|
|
for( i = 0; i < svs.maxclients; i++ )
|
|
if( svs.clients[i].state >= cs_connected )
|
|
count++;
|
|
|
|
Info_SetValueForKey( string, "host", hostname.string, MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "map", sv.name, MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "dm", va( "%i", (int)svgame.globals->deathmatch ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "team", va( "%i", (int)svgame.globals->teamplay ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "coop", va( "%i", (int)svgame.globals->coop ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "numcl", va( "%i", count ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "maxcl", va( "%i", svs.maxclients ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "gamedir", GI->gamefolder, MAX_INFO_STRING );
|
|
}
|
|
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, "info\n%s", string );
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_BuildNetAnswer
|
|
|
|
Responds with long info for local and broadcast requests
|
|
================
|
|
*/
|
|
void SV_BuildNetAnswer( netadr_t from )
|
|
{
|
|
char string[MAX_INFO_STRING], answer[512];
|
|
int version, context, type;
|
|
int i, count = 0;
|
|
|
|
// ignore in single player
|
|
if( svs.maxclients == 1 || !svs.initialized )
|
|
return;
|
|
|
|
version = Q_atoi( Cmd_Argv( 1 ));
|
|
context = Q_atoi( Cmd_Argv( 2 ));
|
|
type = Q_atoi( Cmd_Argv( 3 ));
|
|
|
|
if( version != PROTOCOL_VERSION )
|
|
{
|
|
// handle the unsupported protocol
|
|
string[0] = '\0';
|
|
Info_SetValueForKey( string, "neterror", "protocol", MAX_INFO_STRING );
|
|
|
|
// send error unsupported protocol
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, string );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
return;
|
|
}
|
|
|
|
if( type == NETAPI_REQUEST_PING )
|
|
{
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, "" );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
}
|
|
else if( type == NETAPI_REQUEST_RULES )
|
|
{
|
|
// send serverinfo
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, svs.serverinfo );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
}
|
|
else if( type == NETAPI_REQUEST_PLAYERS )
|
|
{
|
|
string[0] = '\0';
|
|
|
|
for( i = 0; i < svs.maxclients; i++ )
|
|
{
|
|
if( svs.clients[i].state >= cs_connected )
|
|
{
|
|
edict_t *ed = svs.clients[i].edict;
|
|
float time = host.realtime - svs.clients[i].connection_started;
|
|
Q_strncat( string, va( "%c\\%s\\%i\\%f\\", count, svs.clients[i].name, (int)ed->v.frags, time ), sizeof( string ));
|
|
count++;
|
|
}
|
|
}
|
|
|
|
// send playernames
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, string );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
}
|
|
else if( type == NETAPI_REQUEST_DETAILS )
|
|
{
|
|
for( i = 0; i < svs.maxclients; i++ )
|
|
if( svs.clients[i].state >= cs_connected )
|
|
count++;
|
|
|
|
string[0] = '\0';
|
|
Info_SetValueForKey( string, "hostname", hostname.string, MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "gamedir", GI->gamefolder, MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "current", va( "%i", count ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "max", va( "%i", svs.maxclients ), MAX_INFO_STRING );
|
|
Info_SetValueForKey( string, "map", sv.name, MAX_INFO_STRING );
|
|
|
|
// send serverinfo
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, string );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
}
|
|
else
|
|
{
|
|
string[0] = '\0';
|
|
Info_SetValueForKey( string, "neterror", "undefined", MAX_INFO_STRING );
|
|
|
|
// send error undefined request type
|
|
Q_snprintf( answer, sizeof( answer ), "netinfo %i %i %s\n", context, type, string );
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, answer );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_Ping
|
|
|
|
Just responds with an acknowledgement
|
|
================
|
|
*/
|
|
void SV_Ping( netadr_t from )
|
|
{
|
|
Netchan_OutOfBandPrint( NS_SERVER, from, "ack" );
|
|
}
|
|
|
|
/*
|
|
================
|
|
Rcon_Validate
|
|
================
|
|
*/
|
|
qboolean Rcon_Validate( void )
|
|
{
|
|
if( !Q_strlen( rcon_password.string ))
|
|
return false;
|
|
if( Q_strcmp( Cmd_Argv( 1 ), rcon_password.string ))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
SV_RemoteCommand
|
|
|
|
A client issued an rcon command.
|
|
Shift down the remaining args
|
|
Redirect all printfs
|
|
===============
|
|
*/
|
|
void SV_RemoteCommand( netadr_t from, sizebuf_t *msg )
|
|
{
|
|
static char outputbuf[2048];
|
|
char remaining[1024];
|
|
int i;
|
|
|
|
Con_Printf( "Rcon from %s:\n%s\n", NET_AdrToString( from ), MSG_GetData( msg ) + 4 );
|
|
Log_Printf( "Rcon: \"%s\" from \"%s\"\n", MSG_GetData( msg ) + 4, NET_AdrToString( from ));
|
|
SV_BeginRedirect( from, RD_PACKET, outputbuf, sizeof( outputbuf ) - 16, SV_FlushRedirect );
|
|
|
|
if( Rcon_Validate( ))
|
|
{
|
|
remaining[0] = 0;
|
|
for( i = 2; i < Cmd_Argc(); i++ )
|
|
{
|
|
Q_strcat( remaining, Cmd_Argv( i ));
|
|
Q_strcat( remaining, " " );
|
|
}
|
|
Cmd_ExecuteString( remaining );
|
|
}
|
|
else Con_Printf( S_ERROR "Bad rcon_password.\n" );
|
|
|
|
SV_EndRedirect();
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_CalcPing
|
|
|
|
recalc ping on current client
|
|
===================
|
|
*/
|
|
int SV_CalcPing( sv_client_t *cl )
|
|
{
|
|
float ping = 0;
|
|
int i, count;
|
|
int idx, back;
|
|
client_frame_t *frame;
|
|
|
|
// bots don't have a real ping
|
|
if( FBitSet( cl->flags, FCL_FAKECLIENT ) || !cl->frames )
|
|
return 5;
|
|
|
|
if( SV_UPDATE_BACKUP <= 31 )
|
|
{
|
|
back = SV_UPDATE_BACKUP / 2;
|
|
if( back <= 0 ) return 0;
|
|
}
|
|
else back = 16;
|
|
|
|
count = 0;
|
|
|
|
for( i = 0; i < back; i++ )
|
|
{
|
|
idx = cl->netchan.incoming_acknowledged + ~i;
|
|
frame = &cl->frames[idx & SV_UPDATE_MASK];
|
|
|
|
if( frame->ping_time > 0.0f )
|
|
{
|
|
ping += frame->ping_time;
|
|
count++;
|
|
}
|
|
}
|
|
|
|
if( count > 0 )
|
|
return (( ping / count ) * 1000.0f );
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_EstablishTimeBase
|
|
|
|
Finangles latency and the like.
|
|
===================
|
|
*/
|
|
void SV_EstablishTimeBase( sv_client_t *cl, usercmd_t *cmds, int dropped, int numbackup, int numcmds )
|
|
{
|
|
double runcmd_time = 0.0;
|
|
int i, cmdnum = dropped;
|
|
|
|
if( dropped < 24 )
|
|
{
|
|
while( dropped > numbackup )
|
|
{
|
|
runcmd_time = (double)cl->lastcmd.msec / 1000.0;
|
|
dropped--;
|
|
}
|
|
|
|
while( dropped > 0 )
|
|
{
|
|
cmdnum = dropped + numcmds - 1;
|
|
runcmd_time += (double)cmds[cmdnum].msec / 1000.0;
|
|
dropped--;
|
|
}
|
|
}
|
|
|
|
for( i = numcmds - 1; i >= 0; i-- )
|
|
runcmd_time += cmds[i].msec / 1000.0;
|
|
|
|
cl->timebase = sv.time + sv.frametime - runcmd_time;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_CalcClientTime
|
|
|
|
compute latency for client
|
|
===================
|
|
*/
|
|
float SV_CalcClientTime( sv_client_t *cl )
|
|
{
|
|
float minping, maxping;
|
|
float ping = 0.0f;
|
|
int i, count = 0;
|
|
int backtrack;
|
|
|
|
backtrack = (int)sv_unlagsamples.value;
|
|
if( backtrack < 1 ) backtrack = 1;
|
|
|
|
if( backtrack >= (SV_UPDATE_BACKUP <= 16 ? SV_UPDATE_BACKUP : 16 ))
|
|
backtrack = ( SV_UPDATE_BACKUP <= 16 ? SV_UPDATE_BACKUP : 16 );
|
|
|
|
if( backtrack <= 0 )
|
|
return 0.0f;
|
|
|
|
for( i = 0; i < backtrack; i++ )
|
|
{
|
|
client_frame_t *frame = &cl->frames[SV_UPDATE_MASK & (cl->netchan.incoming_acknowledged - i)];
|
|
if( frame->ping_time <= 0.0f )
|
|
continue;
|
|
|
|
ping += frame->ping_time;
|
|
count++;
|
|
}
|
|
|
|
if( !count ) return 0.0f;
|
|
|
|
minping = 9999.0f;
|
|
maxping = -9999.0f;
|
|
ping /= count;
|
|
|
|
for( i = 0; i < ( SV_UPDATE_BACKUP <= 4 ? SV_UPDATE_BACKUP : 4 ); i++ )
|
|
{
|
|
client_frame_t *frame = &cl->frames[SV_UPDATE_MASK & (cl->netchan.incoming_acknowledged - i)];
|
|
if( frame->ping_time <= 0.0f )
|
|
continue;
|
|
|
|
if( frame->ping_time < minping )
|
|
minping = frame->ping_time;
|
|
|
|
if( frame->ping_time > maxping )
|
|
maxping = frame->ping_time;
|
|
}
|
|
|
|
if( maxping < minping || fabs( maxping - minping ) <= 0.2f )
|
|
return ping;
|
|
|
|
return 0.0f;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_FullClientUpdate
|
|
|
|
Writes all update values to a bitbuf
|
|
===================
|
|
*/
|
|
void SV_FullClientUpdate( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
char info[MAX_INFO_STRING];
|
|
char digest[16];
|
|
MD5Context_t ctx;
|
|
int i;
|
|
|
|
// process userinfo before updating
|
|
SV_UserinfoChanged( cl );
|
|
|
|
i = cl - svs.clients;
|
|
|
|
MSG_BeginServerCmd( msg, svc_updateuserinfo );
|
|
MSG_WriteUBitLong( msg, i, MAX_CLIENT_BITS );
|
|
MSG_WriteLong( msg, cl->userid );
|
|
|
|
if( cl->name[0] )
|
|
{
|
|
MSG_WriteOneBit( msg, 1 );
|
|
|
|
Q_strncpy( info, cl->userinfo, sizeof( info ));
|
|
|
|
// remove server passwords, etc.
|
|
Info_RemovePrefixedKeys( info, '_' );
|
|
MSG_WriteString( msg, info );
|
|
|
|
MD5Init( &ctx );
|
|
MD5Update( &ctx, cl->hashedcdkey, sizeof( cl->hashedcdkey ));
|
|
MD5Final( digest, &ctx );
|
|
|
|
MSG_WriteBytes( msg, digest, sizeof( digest ));
|
|
}
|
|
else MSG_WriteOneBit( msg, 0 );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_RefreshUserinfo
|
|
|
|
===================
|
|
*/
|
|
void SV_RefreshUserinfo( void )
|
|
{
|
|
sv_client_t *cl;
|
|
int i;
|
|
|
|
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
|
|
{
|
|
if( cl->state >= cs_connected )
|
|
SetBits( cl->flags, FCL_RESEND_USERINFO );
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_FullUpdateMovevars
|
|
|
|
this is send all movevars values when client connected
|
|
otherwise see code SV_UpdateMovevars()
|
|
===================
|
|
*/
|
|
void SV_FullUpdateMovevars( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
movevars_t nullmovevars;
|
|
|
|
memset( &nullmovevars, 0, sizeof( nullmovevars ));
|
|
MSG_WriteDeltaMovevars( msg, &nullmovevars, &svgame.movevars );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ShouldUpdatePing
|
|
|
|
determine should we recalculate
|
|
ping times now
|
|
===================
|
|
*/
|
|
qboolean SV_ShouldUpdatePing( sv_client_t *cl )
|
|
{
|
|
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
|
|
{
|
|
if( host.realtime < cl->next_checkpingtime )
|
|
return false;
|
|
|
|
cl->next_checkpingtime = host.realtime + 2.0;
|
|
return true;
|
|
}
|
|
|
|
// they are viewing the scoreboard. Send them pings.
|
|
return FBitSet( cl->lastcmd.buttons, IN_SCORE ) ? true : false;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_IsPlayerIndex
|
|
|
|
===================
|
|
*/
|
|
qboolean SV_IsPlayerIndex( int idx )
|
|
{
|
|
if( idx > 0 && idx <= svs.maxclients )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_GetPlayerStats
|
|
|
|
This function and its static vars track some of the networking
|
|
conditions. I haven't bothered to trace it beyond that, because
|
|
this fucntion sucks pretty badly.
|
|
===================
|
|
*/
|
|
void SV_GetPlayerStats( sv_client_t *cl, int *ping, int *packet_loss )
|
|
{
|
|
static int last_ping[MAX_CLIENTS];
|
|
static int last_loss[MAX_CLIENTS];
|
|
int i;
|
|
|
|
i = cl - svs.clients;
|
|
|
|
if( host.realtime >= cl->next_checkpingtime )
|
|
{
|
|
cl->next_checkpingtime = host.realtime + 2.0;
|
|
last_ping[i] = SV_CalcPing( cl );
|
|
last_loss[i] = cl->packet_loss;
|
|
}
|
|
|
|
if( ping ) *ping = last_ping[i];
|
|
if( packet_loss ) *packet_loss = last_loss[i];
|
|
}
|
|
|
|
/*
|
|
===========
|
|
PutClientInServer
|
|
|
|
Called when a player connects to a server or respawns in
|
|
a deathmatch.
|
|
============
|
|
*/
|
|
void SV_PutClientInServer( sv_client_t *cl )
|
|
{
|
|
static byte msg_buf[0x20200]; // MAX_INIT_MSG + some space
|
|
edict_t *ent = cl->edict;
|
|
sizebuf_t msg;
|
|
|
|
MSG_Init( &msg, "Spawn", msg_buf, sizeof( msg_buf ));
|
|
|
|
if( sv.loadgame )
|
|
{
|
|
// NOTE: we needs to setup angles on restore here
|
|
if( ent->v.fixangle == 1 )
|
|
{
|
|
MSG_BeginServerCmd( &msg, svc_setangle );
|
|
MSG_WriteVec3Angles( &msg, ent->v.angles );
|
|
ent->v.fixangle = 0;
|
|
}
|
|
|
|
if( svgame.dllFuncs.pfnParmsChangeLevel )
|
|
{
|
|
SAVERESTOREDATA levelData;
|
|
string name;
|
|
int i;
|
|
|
|
memset( &levelData, 0, sizeof( levelData ));
|
|
svgame.globals->pSaveData = &levelData;
|
|
svgame.dllFuncs.pfnParmsChangeLevel();
|
|
|
|
MSG_BeginServerCmd( &msg, svc_restore );
|
|
Q_snprintf( name, sizeof( name ), "%s%s.HL2", DEFAULT_SAVE_DIRECTORY, sv.name );
|
|
COM_FixSlashes( name );
|
|
MSG_WriteString( &msg, name );
|
|
MSG_WriteByte( &msg, levelData.connectionCount );
|
|
|
|
for( i = 0; i < levelData.connectionCount; i++ )
|
|
MSG_WriteString( &msg, levelData.levelList[i].mapName );
|
|
|
|
svgame.globals->pSaveData = NULL;
|
|
}
|
|
|
|
// reset weaponanim
|
|
MSG_BeginServerCmd( &msg, svc_weaponanim );
|
|
MSG_WriteByte( &msg, 0 );
|
|
MSG_WriteByte( &msg, 0 );
|
|
|
|
sv.loadgame = false;
|
|
sv.paused = false;
|
|
}
|
|
else
|
|
{
|
|
if( Q_atoi( Info_ValueForKey( cl->userinfo, "hltv" )))
|
|
SetBits( cl->flags, FCL_HLTV_PROXY );
|
|
|
|
// need to realloc private data for client
|
|
SV_InitEdict( ent );
|
|
|
|
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
|
|
SetBits( ent->v.flags, FL_PROXY );
|
|
else ent->v.flags = 0;
|
|
|
|
ent->v.netname = MAKE_STRING( cl->name );
|
|
ent->v.colormap = NUM_FOR_EDICT( ent ); // ???
|
|
|
|
// fisrt entering
|
|
svgame.globals->time = sv.time;
|
|
svgame.dllFuncs.pfnClientPutInServer( ent );
|
|
|
|
if( sv.background ) // don't attack player in background mode
|
|
SetBits( ent->v.flags, FL_GODMODE|FL_NOTARGET );
|
|
|
|
cl->pViewEntity = NULL; // reset pViewEntity
|
|
}
|
|
|
|
if( svgame.globals->cdAudioTrack )
|
|
{
|
|
MSG_BeginServerCmd( &msg, svc_stufftext );
|
|
MSG_WriteString( &msg, va( "cd loop %3d\n", svgame.globals->cdAudioTrack ));
|
|
svgame.globals->cdAudioTrack = 0;
|
|
}
|
|
|
|
#ifdef HACKS_RELATED_HLMODS
|
|
// enable dev-mode to prevent crash cheat-protecting from Invasion mod
|
|
if( FBitSet( ent->v.flags, FL_GODMODE|FL_NOTARGET ) && !Q_stricmp( GI->gamefolder, "invasion" ))
|
|
SV_ExecuteClientCommand( cl, "test\n" );
|
|
#endif
|
|
// refresh the userinfo and movevars
|
|
// NOTE: because movevars can be changed during the connection process
|
|
SetBits( cl->flags, FCL_RESEND_USERINFO|FCL_RESEND_MOVEVARS );
|
|
|
|
// reset client times
|
|
cl->connecttime = 0.0;
|
|
cl->ignorecmdtime = 0.0;
|
|
cl->cmdtime = 0.0;
|
|
|
|
if( !FBitSet( cl->flags, FCL_FAKECLIENT ))
|
|
{
|
|
int viewEnt;
|
|
|
|
// NOTE: it's will be fragmented automatically in right ordering
|
|
MSG_WriteBits( &msg, MSG_GetData( &sv.signon ), MSG_GetNumBitsWritten( &sv.signon ));
|
|
|
|
if( cl->pViewEntity )
|
|
viewEnt = NUM_FOR_EDICT( cl->pViewEntity );
|
|
else viewEnt = NUM_FOR_EDICT( cl->edict );
|
|
|
|
MSG_BeginServerCmd( &msg, svc_setview );
|
|
MSG_WriteWord( &msg, viewEnt );
|
|
|
|
MSG_BeginServerCmd( &msg, svc_signonnum );
|
|
MSG_WriteByte( &msg, 1 );
|
|
|
|
if( MSG_CheckOverflow( &msg ))
|
|
{
|
|
if( svs.maxclients == 1 )
|
|
Host_Error( "spawn player: overflowed\n" );
|
|
else SV_DropClient( cl, false );
|
|
}
|
|
else
|
|
{
|
|
// send initialization data
|
|
Netchan_CreateFragments( &cl->netchan, &msg );
|
|
Netchan_FragSend( &cl->netchan );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===========
|
|
SV_UpdateClientView
|
|
|
|
Resend the client viewentity (used for demos)
|
|
============
|
|
*/
|
|
void SV_UpdateClientView( sv_client_t *cl )
|
|
{
|
|
int viewEnt;
|
|
|
|
if( cl->pViewEntity )
|
|
viewEnt = NUM_FOR_EDICT( cl->pViewEntity );
|
|
else viewEnt = NUM_FOR_EDICT( cl->edict );
|
|
|
|
MSG_BeginServerCmd( &cl->netchan.message, svc_setview );
|
|
MSG_WriteWord( &cl->netchan.message, viewEnt );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_TogglePause
|
|
==================
|
|
*/
|
|
void SV_TogglePause( const char *msg )
|
|
{
|
|
if( sv.background ) return;
|
|
|
|
sv.paused ^= 1;
|
|
|
|
if( COM_CheckString( msg ))
|
|
SV_BroadcastPrintf( NULL, "%s", msg );
|
|
|
|
// send notification to all clients
|
|
MSG_BeginServerCmd( &sv.reliable_datagram, svc_setpause );
|
|
MSG_WriteOneBit( &sv.reliable_datagram, sv.paused );
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_SendReconnect
|
|
|
|
Tell all the clients that the server is changing levels
|
|
================
|
|
*/
|
|
void SV_BuildReconnect( sizebuf_t *msg )
|
|
{
|
|
MSG_BeginServerCmd( msg, svc_stufftext );
|
|
MSG_WriteString( msg, "reconnect\n" );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_WriteDeltaDescriptionToClient
|
|
|
|
send delta communication encoding
|
|
==================
|
|
*/
|
|
void SV_WriteDeltaDescriptionToClient( sizebuf_t *msg )
|
|
{
|
|
int tableIndex;
|
|
int fieldIndex;
|
|
|
|
for( tableIndex = 0; tableIndex < Delta_NumTables(); tableIndex++ )
|
|
{
|
|
delta_info_t *dt = Delta_FindStructByIndex( tableIndex );
|
|
|
|
for( fieldIndex = 0; fieldIndex < dt->numFields; fieldIndex++ )
|
|
Delta_WriteTableField( msg, tableIndex, &dt->pFields[fieldIndex] );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
SV_SendServerdata
|
|
|
|
Sends the first message from the server to a connected client.
|
|
This will be sent on the initial connection and upon each server load.
|
|
================
|
|
*/
|
|
void SV_SendServerdata( sizebuf_t *msg, sv_client_t *cl )
|
|
{
|
|
string message;
|
|
int i;
|
|
|
|
// Only send this message to developer console, or multiplayer clients.
|
|
if(( host_developer.value ) || ( svs.maxclients > 1 ))
|
|
{
|
|
MSG_BeginServerCmd( msg, svc_print );
|
|
Q_snprintf( message, sizeof( message ), "\n^3BUILD %d SERVER (%i CRC)\nServer #%i\n", Q_buildnum(), sv.progsCRC, svs.spawncount );
|
|
MSG_WriteString( msg, message );
|
|
}
|
|
|
|
// send the serverdata
|
|
MSG_BeginServerCmd( msg, svc_serverdata );
|
|
MSG_WriteLong( msg, PROTOCOL_VERSION );
|
|
MSG_WriteLong( msg, svs.spawncount );
|
|
MSG_WriteLong( msg, sv.worldmapCRC );
|
|
MSG_WriteByte( msg, cl - svs.clients );
|
|
MSG_WriteByte( msg, svs.maxclients );
|
|
MSG_WriteWord( msg, GI->max_edicts );
|
|
MSG_WriteWord( msg, MAX_MODELS );
|
|
MSG_WriteString( msg, sv.name );
|
|
MSG_WriteString( msg, STRING( svgame.edicts->v.message )); // Map Message
|
|
MSG_WriteOneBit( msg, sv.background ); // tell client about background map
|
|
MSG_WriteString( msg, GI->gamefolder );
|
|
MSG_WriteLong( msg, host.features );
|
|
|
|
// send the player hulls
|
|
for( i = 0; i < MAX_MAP_HULLS * 3; i++ )
|
|
{
|
|
MSG_WriteChar( msg, host.player_mins[i/3][i%3] );
|
|
MSG_WriteChar( msg, host.player_maxs[i/3][i%3] );
|
|
}
|
|
|
|
// send delta-encoding
|
|
SV_WriteDeltaDescriptionToClient( msg );
|
|
|
|
// now client know delta and can reading encoded messages
|
|
SV_FullUpdateMovevars( cl, msg );
|
|
|
|
// send the user messages registration
|
|
for( i = 1; i < MAX_USER_MESSAGES && svgame.msg[i].name[0]; i++ )
|
|
SV_SendUserReg( msg, &svgame.msg[i] );
|
|
|
|
for( i = 0; i < MAX_LIGHTSTYLES; i++ )
|
|
{
|
|
if( !sv.lightstyles[i].pattern[0] )
|
|
continue; // unused style
|
|
|
|
MSG_BeginServerCmd( msg, svc_lightstyle );
|
|
MSG_WriteByte( msg, i ); // stylenum
|
|
MSG_WriteString( msg, sv.lightstyles[i].pattern );
|
|
MSG_WriteFloat( msg, sv.lightstyles[i].time );
|
|
}
|
|
}
|
|
|
|
/*
|
|
============================================================
|
|
|
|
CLIENT COMMAND EXECUTION
|
|
|
|
============================================================
|
|
*/
|
|
/*
|
|
================
|
|
SV_New_f
|
|
|
|
Sends the first message from the server to a connected client.
|
|
This will be sent on the initial connection and upon each server load.
|
|
================
|
|
*/
|
|
static qboolean SV_New_f( sv_client_t *cl )
|
|
{
|
|
byte msg_buf[MAX_INIT_MSG];
|
|
char szRejectReason[128];
|
|
char szAddress[128];
|
|
char szName[32];
|
|
sv_client_t *cur;
|
|
sizebuf_t msg;
|
|
int i;
|
|
|
|
MSG_Init( &msg, "New", msg_buf, sizeof( msg_buf ));
|
|
|
|
if( cl->state != cs_connected )
|
|
return false;
|
|
|
|
// send the serverdata
|
|
SV_SendServerdata( &msg, cl );
|
|
|
|
// if the client was connected, tell the game .dll to disconnect him/her.
|
|
if(( cl->state == cs_spawned ) && cl->edict )
|
|
svgame.dllFuncs.pfnClientDisconnect( cl->edict );
|
|
|
|
Q_snprintf( szName, sizeof( szName ), "%s", cl->name );
|
|
Q_snprintf( szAddress, sizeof( szAddress ), "%s", NET_AdrToString( cl->netchan.remote_address ));
|
|
Q_snprintf( szRejectReason, sizeof( szRejectReason ), "Connection rejected by game\n");
|
|
|
|
// Allow the game dll to reject this client.
|
|
if( !svgame.dllFuncs.pfnClientConnect( cl->edict, szName, szAddress, szRejectReason ))
|
|
{
|
|
// reject the connection and drop the client.
|
|
SV_RejectConnection( cl->netchan.remote_address, "%s\n", szRejectReason );
|
|
SV_DropClient( cl, false );
|
|
return true;
|
|
}
|
|
|
|
// server info string
|
|
MSG_BeginServerCmd( &msg, svc_stufftext );
|
|
MSG_WriteString( &msg, va( "fullserverinfo \"%s\"\n", SV_Serverinfo( )));
|
|
|
|
// collect the info about all the players and send to me
|
|
for( i = 0, cur = svs.clients; i < svs.maxclients; i++, cur++ )
|
|
{
|
|
if( !cur->edict || cur->state != cs_spawned )
|
|
continue; // not in game yet
|
|
SV_FullClientUpdate( cur, &msg );
|
|
}
|
|
|
|
// g-cont. why this is there?
|
|
memset( &cl->lastcmd, 0, sizeof( cl->lastcmd ));
|
|
|
|
Netchan_CreateFragments( &cl->netchan, &msg );
|
|
Netchan_FragSend( &cl->netchan );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
SV_Disconnect_f
|
|
|
|
The client is going to disconnect, so remove the connection immediately
|
|
=================
|
|
*/
|
|
static qboolean SV_Disconnect_f( sv_client_t *cl )
|
|
{
|
|
SV_DropClient( cl, false );
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_ShowServerinfo_f
|
|
|
|
Dumps the serverinfo info string
|
|
==================
|
|
*/
|
|
static qboolean SV_ShowServerinfo_f( sv_client_t *cl )
|
|
{
|
|
Info_Print( svs.serverinfo );
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Pause_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Pause_f( sv_client_t *cl )
|
|
{
|
|
string message;
|
|
|
|
if( UI_CreditsActive( ))
|
|
return true;
|
|
|
|
if( !sv_pausable->value )
|
|
{
|
|
SV_ClientPrintf( cl, "Pause not allowed.\n" );
|
|
return true;
|
|
}
|
|
|
|
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
|
|
{
|
|
SV_ClientPrintf( cl, "Spectators can not pause.\n" );
|
|
return true;
|
|
}
|
|
|
|
if( !sv.paused ) Q_snprintf( message, MAX_STRING, "^2%s^7 paused the game\n", cl->name );
|
|
else Q_snprintf( message, MAX_STRING, "^2%s^7 unpaused the game\n", cl->name );
|
|
|
|
SV_TogglePause( message );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
SV_UserinfoChanged
|
|
|
|
Pull specific info from a newly changed userinfo string
|
|
into a more C freindly form.
|
|
=================
|
|
*/
|
|
void SV_UserinfoChanged( sv_client_t *cl )
|
|
{
|
|
int i, dupc = 1;
|
|
edict_t *ent = cl->edict;
|
|
string name1, name2;
|
|
sv_client_t *current;
|
|
char *val;
|
|
|
|
if( !COM_CheckString( cl->userinfo ))
|
|
return;
|
|
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
Q_strncpy( name2, val, sizeof( name2 ));
|
|
COM_TrimSpace( name2, name1 );
|
|
|
|
if( !Q_stricmp( name1, "console" ))
|
|
{
|
|
Info_SetValueForKey( cl->userinfo, "name", "unnamed", MAX_INFO_STRING );
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
}
|
|
else if( Q_strcmp( name1, val ))
|
|
{
|
|
Info_SetValueForKey( cl->userinfo, "name", name1, MAX_INFO_STRING );
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
}
|
|
|
|
if( !Q_strlen( name1 ))
|
|
{
|
|
Info_SetValueForKey( cl->userinfo, "name", "unnamed", MAX_INFO_STRING );
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
Q_strncpy( name2, "unnamed", sizeof( name2 ));
|
|
Q_strncpy( name1, "unnamed", sizeof( name1 ));
|
|
}
|
|
|
|
// check to see if another user by the same name exists
|
|
while( 1 )
|
|
{
|
|
for( i = 0, current = svs.clients; i < svs.maxclients; i++, current++ )
|
|
{
|
|
if( current == cl || current->state != cs_spawned )
|
|
continue;
|
|
|
|
if( !Q_stricmp( current->name, val ))
|
|
break;
|
|
}
|
|
|
|
if( i != svs.maxclients )
|
|
{
|
|
// dup name
|
|
Q_snprintf( name2, sizeof( name2 ), "%s (%u)", name1, dupc++ );
|
|
Info_SetValueForKey( cl->userinfo, "name", name2, MAX_INFO_STRING );
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
Q_strncpy( cl->name, name2, sizeof( cl->name ));
|
|
}
|
|
else
|
|
{
|
|
if( dupc == 1 ) // unchanged
|
|
Q_strncpy( cl->name, name1, sizeof( cl->name ));
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rate command
|
|
val = Info_ValueForKey( cl->userinfo, "rate" );
|
|
if( Q_strlen( val ))
|
|
cl->netchan.rate = bound( MIN_RATE, Q_atoi( val ), MAX_RATE );
|
|
else cl->netchan.rate = DEFAULT_RATE;
|
|
|
|
// movement prediction
|
|
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_nopred" )))
|
|
ClearBits( cl->flags, FCL_PREDICT_MOVEMENT );
|
|
else SetBits( cl->flags, FCL_PREDICT_MOVEMENT );
|
|
|
|
// lag compensation
|
|
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_lc" )))
|
|
SetBits( cl->flags, FCL_LAG_COMPENSATION );
|
|
else ClearBits( cl->flags, FCL_LAG_COMPENSATION );
|
|
|
|
// weapon perdiction
|
|
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_lw" )))
|
|
SetBits( cl->flags, FCL_LOCAL_WEAPONS );
|
|
else ClearBits( cl->flags, FCL_LOCAL_WEAPONS );
|
|
|
|
val = Info_ValueForKey( cl->userinfo, "cl_updaterate" );
|
|
|
|
if( Q_strlen( val ))
|
|
{
|
|
if( Q_atoi( val ) != 0 )
|
|
{
|
|
int i = bound( 10, Q_atoi( val ), 300 );
|
|
cl->cl_updaterate = 1.0 / i;
|
|
}
|
|
else cl->cl_updaterate = 0.0;
|
|
}
|
|
|
|
// call prog code to allow overrides
|
|
svgame.dllFuncs.pfnClientUserInfoChanged( cl->edict, cl->userinfo );
|
|
|
|
val = Info_ValueForKey( cl->userinfo, "name" );
|
|
Q_strncpy( cl->name, val, sizeof( cl->name ));
|
|
ent->v.netname = MAKE_STRING( cl->name );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_UpdateUserinfo_f
|
|
==================
|
|
*/
|
|
static qboolean SV_UpdateUserinfo_f( sv_client_t *cl )
|
|
{
|
|
Q_strncpy( cl->userinfo, Cmd_Argv( 1 ), sizeof( cl->userinfo ));
|
|
|
|
if( cl->state >= cs_connected )
|
|
SetBits( cl->flags, FCL_RESEND_USERINFO ); // needs for update client info
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_SetInfo_f
|
|
==================
|
|
*/
|
|
static qboolean SV_SetInfo_f( sv_client_t *cl )
|
|
{
|
|
Info_SetValueForKey( cl->userinfo, Cmd_Argv( 1 ), Cmd_Argv( 2 ), MAX_INFO_STRING );
|
|
|
|
if( cl->state >= cs_connected )
|
|
SetBits( cl->flags, FCL_RESEND_USERINFO ); // needs for update client info
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Noclip_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Noclip_f( sv_client_t *cl )
|
|
{
|
|
edict_t *pEntity = cl->edict;
|
|
|
|
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
|
|
return true;
|
|
|
|
if( pEntity->v.movetype != MOVETYPE_NOCLIP )
|
|
{
|
|
SV_ClientPrintf( cl, "noclip ON\n" );
|
|
pEntity->v.movetype = MOVETYPE_NOCLIP;
|
|
}
|
|
else
|
|
{
|
|
SV_ClientPrintf( cl, "noclip OFF\n" );
|
|
pEntity->v.movetype = MOVETYPE_WALK;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Godmode_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Godmode_f( sv_client_t *cl )
|
|
{
|
|
edict_t *pEntity = cl->edict;
|
|
|
|
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
|
|
return true;
|
|
|
|
pEntity->v.flags = pEntity->v.flags ^ FL_GODMODE;
|
|
if( pEntity->v.takedamage == DAMAGE_AIM )
|
|
pEntity->v.takedamage = DAMAGE_NO;
|
|
else pEntity->v.takedamage = DAMAGE_AIM;
|
|
|
|
if( !FBitSet( pEntity->v.flags, FL_GODMODE ))
|
|
SV_ClientPrintf( cl, "godmode OFF\n" );
|
|
else SV_ClientPrintf( cl, "godmode ON\n" );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Notarget_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Notarget_f( sv_client_t *cl )
|
|
{
|
|
edict_t *pEntity = cl->edict;
|
|
|
|
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
|
|
return true;
|
|
|
|
pEntity->v.flags = pEntity->v.flags ^ FL_NOTARGET;
|
|
|
|
if( !FBitSet( pEntity->v.flags, FL_NOTARGET ))
|
|
SV_ClientPrintf( cl, "notarget OFF\n" );
|
|
else SV_ClientPrintf( cl, "notarget ON\n" );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Kill_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Kill_f( sv_client_t *cl )
|
|
{
|
|
if( !SV_IsValidEdict( cl->edict ))
|
|
return true;
|
|
|
|
if( cl->edict->v.health <= 0.0f )
|
|
{
|
|
SV_ClientPrintf( cl, "Can't suicide - already dead!\n");
|
|
return true;
|
|
}
|
|
|
|
svgame.dllFuncs.pfnClientKill( cl->edict );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_SendRes_f
|
|
==================
|
|
*/
|
|
static qboolean SV_SendRes_f( sv_client_t *cl )
|
|
{
|
|
byte buffer[MAX_INIT_MSG];
|
|
sizebuf_t msg;
|
|
|
|
if( cl->state != cs_connected )
|
|
return false;
|
|
|
|
MSG_Init( &msg, "SendResources", buffer, sizeof( buffer ));
|
|
|
|
if( svs.maxclients > 1 && FBitSet( cl->flags, FCL_SEND_RESOURCES ))
|
|
return true;
|
|
|
|
SetBits( cl->flags, FCL_SEND_RESOURCES );
|
|
SV_SendResources( cl, &msg );
|
|
|
|
Netchan_CreateFragments( &cl->netchan, &msg );
|
|
Netchan_FragSend( &cl->netchan );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_DownloadFile_f
|
|
==================
|
|
*/
|
|
static qboolean SV_DownloadFile_f( sv_client_t *cl )
|
|
{
|
|
char *name;
|
|
|
|
if( Cmd_Argc() < 2 )
|
|
return true;
|
|
|
|
name = Cmd_Argv( 1 );
|
|
|
|
if( !COM_CheckString( name ))
|
|
return true;
|
|
|
|
if( !COM_IsSafeFileToDownload( name ) || !sv_allow_download.value )
|
|
{
|
|
SV_FailDownload( cl, name );
|
|
return true;
|
|
}
|
|
|
|
// g-cont. now we supports hot precache
|
|
if( name[0] != '!' )
|
|
{
|
|
if( sv_send_resources.value )
|
|
{
|
|
// also check the model textures
|
|
if( !Q_stricmp( COM_FileExtension( name ), "mdl" ))
|
|
{
|
|
if( FS_FileExists( Mod_StudioTexName( name ), false ) > 0 )
|
|
Netchan_CreateFileFragments( &cl->netchan, Mod_StudioTexName( name ));
|
|
}
|
|
|
|
if( Netchan_CreateFileFragments( &cl->netchan, name ))
|
|
{
|
|
Netchan_FragSend( &cl->netchan );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
SV_FailDownload( cl, name );
|
|
return true;
|
|
}
|
|
|
|
if( Q_strlen( name ) == 36 && !Q_strnicmp( name, "!MD5", 4 ) && sv_send_logos.value )
|
|
{
|
|
resource_t custResource;
|
|
byte md5[32];
|
|
byte *pbuf;
|
|
int size;
|
|
|
|
memset( &custResource, 0, sizeof( custResource ) );
|
|
COM_HexConvert( name + 4, 32, md5 );
|
|
|
|
if( HPAK_ResourceForHash( CUSTOM_RES_PATH, md5, &custResource ))
|
|
{
|
|
if( HPAK_GetDataPointer( CUSTOM_RES_PATH, &custResource, &pbuf, &size ))
|
|
{
|
|
if( size )
|
|
{
|
|
Netchan_CreateFileFragmentsFromBuffer( &cl->netchan, name, pbuf, size );
|
|
Netchan_FragSend( &cl->netchan );
|
|
Mem_Free( pbuf );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SV_FailDownload( cl, name );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Spawn_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Spawn_f( sv_client_t *cl )
|
|
{
|
|
if( cl->state != cs_connected )
|
|
return false;
|
|
|
|
// handle the case of a level changing while a client was connecting
|
|
if( Q_atoi( Cmd_Argv( 1 )) != svs.spawncount )
|
|
{
|
|
SV_New_f( cl );
|
|
return true;
|
|
}
|
|
|
|
SV_PutClientInServer( cl );
|
|
|
|
// if we are paused, tell the clients
|
|
if( sv.paused )
|
|
{
|
|
MSG_BeginServerCmd( &sv.reliable_datagram, svc_setpause );
|
|
MSG_WriteByte( &sv.reliable_datagram, sv.paused );
|
|
SV_ClientPrintf( cl, "Server is paused.\n" );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_Begin_f
|
|
==================
|
|
*/
|
|
static qboolean SV_Begin_f( sv_client_t *cl )
|
|
{
|
|
if( cl->state != cs_connected )
|
|
return false;
|
|
|
|
// now client is spawned
|
|
cl->state = cs_spawned;
|
|
return true;
|
|
}
|
|
|
|
ucmd_t ucmds[] =
|
|
{
|
|
{ "new", SV_New_f },
|
|
{ "god", SV_Godmode_f },
|
|
{ "kill", SV_Kill_f },
|
|
{ "begin", SV_Begin_f },
|
|
{ "spawn", SV_Spawn_f },
|
|
{ "pause", SV_Pause_f },
|
|
{ "noclip", SV_Noclip_f },
|
|
{ "log", SV_ServerLog_f },
|
|
{ "setinfo", SV_SetInfo_f },
|
|
{ "sendres", SV_SendRes_f },
|
|
{ "notarget", SV_Notarget_f },
|
|
{ "info", SV_ShowServerinfo_f },
|
|
{ "dlfile", SV_DownloadFile_f },
|
|
{ "disconnect", SV_Disconnect_f },
|
|
{ "userinfo", SV_UpdateUserinfo_f },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
/*
|
|
==================
|
|
SV_ExecuteUserCommand
|
|
==================
|
|
*/
|
|
void SV_ExecuteClientCommand( sv_client_t *cl, char *s )
|
|
{
|
|
ucmd_t *u;
|
|
|
|
Cmd_TokenizeString( s );
|
|
|
|
for( u = ucmds; u->name; u++ )
|
|
{
|
|
if( !Q_strcmp( Cmd_Argv( 0 ), u->name ))
|
|
{
|
|
if( !u->func( cl ))
|
|
Con_Printf( "'%s' is not valid from the console\n", u->name );
|
|
else Con_Reportf( "ucmd->%s()\n", u->name );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( !u->name && sv.state == ss_active )
|
|
{
|
|
// custom client commands
|
|
svgame.dllFuncs.pfnClientCommand( cl->edict );
|
|
|
|
if( !Q_strcmp( Cmd_Argv( 0 ), "fullupdate" ))
|
|
{
|
|
// resend the ambient sounds for demo recording
|
|
SV_RestartAmbientSounds();
|
|
// resend all the decals for demo recording
|
|
SV_RestartDecals();
|
|
// resend all the static ents for demo recording
|
|
SV_RestartStaticEnts();
|
|
// resend the viewentity
|
|
SV_UpdateClientView( cl );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_TSourceEngineQuery
|
|
==================
|
|
*/
|
|
void SV_TSourceEngineQuery( netadr_t from )
|
|
{
|
|
// A2S_INFO
|
|
char answer[1024] = "";
|
|
int count = 0, bots = 0;
|
|
int index;
|
|
sizebuf_t buf;
|
|
|
|
if( svs.clients )
|
|
{
|
|
for( index = 0; index < svs.maxclients; index++ )
|
|
{
|
|
if( svs.clients[index].state >= cs_connected )
|
|
{
|
|
if( FBitSet( svs.clients[index].flags, FCL_FAKECLIENT ))
|
|
bots++;
|
|
else count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
MSG_Init( &buf, "TSourceEngineQuery", answer, sizeof( answer ));
|
|
|
|
MSG_WriteByte( &buf, 'm' );
|
|
MSG_WriteString( &buf, NET_AdrToString( net_local ));
|
|
MSG_WriteString( &buf, hostname.string );
|
|
MSG_WriteString( &buf, sv.name );
|
|
MSG_WriteString( &buf, GI->gamefolder );
|
|
MSG_WriteString( &buf, GI->title );
|
|
MSG_WriteByte( &buf, count );
|
|
MSG_WriteByte( &buf, svs.maxclients );
|
|
MSG_WriteByte( &buf, PROTOCOL_VERSION );
|
|
MSG_WriteByte( &buf, host.type == HOST_DEDICATED ? 'D' : 'L' );
|
|
MSG_WriteByte( &buf, 'W' );
|
|
|
|
if( Q_stricmp( GI->gamedir, "valve" ))
|
|
{
|
|
MSG_WriteByte( &buf, 1 ); // mod
|
|
MSG_WriteString( &buf, GI->game_url );
|
|
MSG_WriteString( &buf, GI->update_url );
|
|
MSG_WriteByte( &buf, 0 );
|
|
MSG_WriteLong( &buf, (long)GI->version );
|
|
MSG_WriteLong( &buf, GI->size );
|
|
|
|
if( GI->gamemode == 2 )
|
|
MSG_WriteByte( &buf, 1 ); // multiplayer_only
|
|
else MSG_WriteByte( &buf, 0 );
|
|
|
|
if( Q_strstr( GI->game_dll, "hl." ))
|
|
MSG_WriteByte( &buf, 0 ); // Half-Life DLL
|
|
else MSG_WriteByte( &buf, 1 ); // Own DLL
|
|
}
|
|
else MSG_WriteByte( &buf, 0 ); // Half-Life
|
|
|
|
MSG_WriteByte( &buf, GI->secure ); // unsecure
|
|
MSG_WriteByte( &buf, bots );
|
|
|
|
NET_SendPacket( NS_SERVER, MSG_GetNumBytesWritten( &buf ), MSG_GetData( &buf ), from );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
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( netadr_t from, sizebuf_t *msg )
|
|
{
|
|
char *args;
|
|
char *pcmd, buf[MAX_SYSPATH];
|
|
int len = sizeof( buf );
|
|
|
|
MSG_Clear( msg );
|
|
MSG_ReadLong( msg );// skip the -1 marker
|
|
|
|
args = MSG_ReadStringLine( msg );
|
|
Cmd_TokenizeString( args );
|
|
|
|
pcmd = Cmd_Argv( 0 );
|
|
Con_Reportf( "SV_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), pcmd );
|
|
|
|
if( !Q_strcmp( pcmd, "ping" )) SV_Ping( from );
|
|
else if( !Q_strcmp( pcmd, "ack" )) SV_Ack( from );
|
|
else if( !Q_strcmp( pcmd, "info" )) SV_Info( from );
|
|
else if( !Q_strcmp( pcmd, "bandwidth" )) SV_TestBandWidth( from );
|
|
else if( !Q_strcmp( pcmd, "getchallenge" )) SV_GetChallenge( from );
|
|
else if( !Q_strcmp( pcmd, "connect" )) SV_ConnectClient( from );
|
|
else if( !Q_strcmp( pcmd, "rcon" )) SV_RemoteCommand( from, msg );
|
|
else if( !Q_strcmp( pcmd, "netinfo" )) SV_BuildNetAnswer( from );
|
|
else if( !Q_strcmp( pcmd, "s" )) SV_AddToMaster( from, msg );
|
|
else if( !Q_strcmp( pcmd, "T" "Source" )) SV_TSourceEngineQuery( from );
|
|
else if( !Q_strcmp( pcmd, "i" )) NET_SendPacket( NS_SERVER, 5, "\xFF\xFF\xFF\xFFj", from ); // A2A_PING
|
|
else if( svgame.dllFuncs.pfnConnectionlessPacket( &from, args, buf, &len ))
|
|
{
|
|
// user out of band message (must be handled in CL_ConnectionlessPacket)
|
|
if( len > 0 ) Netchan_OutOfBand( NS_SERVER, from, len, buf );
|
|
}
|
|
else Con_DPrintf( S_ERROR "bad connectionless packet from %s:\n%s\n", NET_AdrToString( from ), args );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SV_ParseClientMove
|
|
|
|
The message usually contains all the movement commands
|
|
that were in the last three packets, so that the information
|
|
in dropped packets can be recovered.
|
|
|
|
On very fast clients, there may be multiple usercmd packed into
|
|
each of the backup packets.
|
|
==================
|
|
*/
|
|
static void SV_ParseClientMove( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
client_frame_t *frame;
|
|
int key, size, checksum1, checksum2;
|
|
int i, numbackup, totalcmds, numcmds;
|
|
usercmd_t nullcmd, *to, *from;
|
|
usercmd_t cmds[CMD_BACKUP];
|
|
float packet_loss;
|
|
edict_t *player;
|
|
model_t *model;
|
|
|
|
player = cl->edict;
|
|
|
|
frame = &cl->frames[cl->netchan.incoming_acknowledged & SV_UPDATE_MASK];
|
|
memset( &nullcmd, 0, sizeof( usercmd_t ));
|
|
memset( cmds, 0, sizeof( cmds ));
|
|
|
|
key = MSG_GetRealBytesRead( msg );
|
|
checksum1 = MSG_ReadByte( msg );
|
|
packet_loss = MSG_ReadByte( msg );
|
|
|
|
numbackup = MSG_ReadByte( msg );
|
|
numcmds = MSG_ReadByte( msg );
|
|
|
|
totalcmds = numcmds + numbackup;
|
|
net_drop -= (numcmds - 1);
|
|
|
|
if( totalcmds < 0 || totalcmds >= CMD_MASK )
|
|
{
|
|
Con_Reportf( S_ERROR "SV_ParseClientMove: %s sending too many commands %i\n", cl->name, totalcmds );
|
|
SV_DropClient( cl, false );
|
|
return;
|
|
}
|
|
|
|
from = &nullcmd; // first cmd are starting from null-compressed usercmd_t
|
|
|
|
for( i = totalcmds - 1; i >= 0; i-- )
|
|
{
|
|
to = &cmds[i];
|
|
MSG_ReadDeltaUsercmd( msg, from, to );
|
|
from = to; // get new baseline
|
|
}
|
|
|
|
if( cl->state != cs_spawned )
|
|
return;
|
|
|
|
// if the checksum fails, ignore the rest of the packet
|
|
size = MSG_GetRealBytesRead( msg ) - key - 1;
|
|
checksum2 = CRC32_BlockSequence( msg->pData + key + 1, size, cl->netchan.incoming_sequence );
|
|
|
|
if( checksum2 != checksum1 )
|
|
{
|
|
Con_Reportf( S_ERROR "SV_UserMove: failed command checksum for %s (%d != %d)\n", cl->name, checksum2, checksum1 );
|
|
return;
|
|
}
|
|
|
|
cl->packet_loss = packet_loss;
|
|
|
|
// freeze player for some reasons if loadgame was executed
|
|
if( GameState->loadGame )
|
|
return;
|
|
|
|
// check for pause or frozen
|
|
if( sv.paused || !CL_IsInGame() || SV_PlayerIsFrozen( player ))
|
|
{
|
|
for( i = 0; i < numcmds; i++ )
|
|
{
|
|
cmds[i].msec = 0;
|
|
cmds[i].forwardmove = 0;
|
|
cmds[i].sidemove = 0;
|
|
cmds[i].upmove = 0;
|
|
cmds[i].buttons = 0;
|
|
|
|
if( SV_PlayerIsFrozen( player ))
|
|
cmds[i].impulse = 0;
|
|
|
|
VectorCopy( cmds[i].viewangles, player->v.v_angle );
|
|
}
|
|
net_drop = 0;
|
|
}
|
|
else
|
|
{
|
|
if( !player->v.fixangle )
|
|
VectorCopy( cmds[0].viewangles, player->v.v_angle );
|
|
}
|
|
|
|
SV_EstablishTimeBase( cl, cmds, net_drop, numbackup, numcmds );
|
|
|
|
if( net_drop < 24 )
|
|
{
|
|
while( net_drop > numbackup )
|
|
{
|
|
SV_RunCmd( cl, &cl->lastcmd, 0 );
|
|
net_drop--;
|
|
}
|
|
|
|
while( net_drop > 0 )
|
|
{
|
|
i = numcmds + net_drop - 1;
|
|
SV_RunCmd( cl, &cmds[i], cl->netchan.incoming_sequence - i );
|
|
net_drop--;
|
|
}
|
|
}
|
|
|
|
for( i = numcmds - 1; i >= 0; i-- )
|
|
{
|
|
SV_RunCmd( cl, &cmds[i], cl->netchan.incoming_sequence - i );
|
|
}
|
|
|
|
cl->lastcmd = cmds[0];
|
|
|
|
// adjust latency time by 1/2 last client frame since
|
|
// the message probably arrived 1/2 through client's frame loop
|
|
frame->ping_time -= ( cl->lastcmd.msec * 0.5f ) / 1000.0f;
|
|
frame->ping_time = Q_max( 0.0f, frame->ping_time );
|
|
model = SV_ModelHandle( player->v.modelindex );
|
|
|
|
if( model && model->type == mod_studio )
|
|
{
|
|
// g-cont. yes we using svgame.globals->time instead of sv.time
|
|
if( player->v.animtime > svgame.globals->time + sv.frametime )
|
|
player->v.animtime = svgame.globals->time + sv.frametime;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ParseResourceList
|
|
|
|
Parse resource list
|
|
===================
|
|
*/
|
|
void SV_ParseResourceList( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
int totalsize;
|
|
resource_t *resource;
|
|
int i, total;
|
|
resourceinfo_t ri;
|
|
|
|
total = MSG_ReadShort( msg );
|
|
|
|
SV_ClearResourceList( &cl->resourcesneeded );
|
|
SV_ClearResourceList( &cl->resourcesonhand );
|
|
|
|
for( i = 0; i < total; i++ )
|
|
{
|
|
resource = Z_Calloc( sizeof( resource_t ) );
|
|
Q_strncpy( resource->szFileName, MSG_ReadString( msg ), sizeof( resource->szFileName ));
|
|
resource->type = MSG_ReadByte( msg );
|
|
resource->nIndex = MSG_ReadShort( msg );
|
|
resource->nDownloadSize = MSG_ReadLong( msg );
|
|
resource->ucFlags = MSG_ReadByte( msg );
|
|
resource->pNext = NULL;
|
|
resource->pPrev = NULL;
|
|
ClearBits( resource->ucFlags, RES_WASMISSING );
|
|
|
|
if( FBitSet( resource->ucFlags, RES_CUSTOM ))
|
|
MSG_ReadBytes( msg, resource->rgucMD5_hash, 16 );
|
|
|
|
if( resource->type > t_world || resource->nDownloadSize > 1024 * 1024 * 1024 )
|
|
{
|
|
SV_ClearResourceList( &cl->resourcesneeded );
|
|
SV_ClearResourceList( &cl->resourcesonhand );
|
|
return;
|
|
}
|
|
SV_AddToResourceList( resource, &cl->resourcesneeded );
|
|
}
|
|
|
|
totalsize = COM_SizeofResourceList( &cl->resourcesneeded, &ri );
|
|
|
|
if( totalsize != 0 && sv_allow_upload.value )
|
|
{
|
|
Con_DPrintf( "Verifying and uploading resources...\n" );
|
|
|
|
if( totalsize != 0 )
|
|
{
|
|
Con_DPrintf( "Custom resources total %.2fK\n", totalsize / 1024.0 );
|
|
|
|
if ( ri.info[t_model].size != 0 )
|
|
Con_DPrintf( " Models: %.2fK\n", ri.info[t_model].size / 1024.0 );
|
|
|
|
if ( ri.info[t_sound].size != 0 )
|
|
Con_DPrintf( " Sounds: %.2fK\n", ri.info[t_sound].size / 1024.0 );
|
|
|
|
if ( ri.info[t_decal].size != 0 )
|
|
Con_DPrintf( " Decals: %.2fK\n", ri.info[t_decal].size / 1024.0 );
|
|
|
|
if ( ri.info[t_skin].size != 0 )
|
|
Con_DPrintf( " Skins : %.2fK\n", ri.info[t_skin].size / 1024.0 );
|
|
|
|
if ( ri.info[t_generic].size != 0 )
|
|
Con_DPrintf( " Generic : %.2fK\n", ri.info[t_generic].size / 1024.0 );
|
|
|
|
if ( ri.info[t_eventscript].size != 0 )
|
|
Con_DPrintf( " Events : %.2fK\n", ri.info[t_eventscript].size / 1024.0 );
|
|
|
|
Con_DPrintf( "----------------------\n" );
|
|
}
|
|
|
|
totalsize = SV_EstimateNeededResources( cl );
|
|
|
|
if( totalsize > sv_uploadmax.value * 1024 * 1024 )
|
|
{
|
|
SV_ClearResourceList( &cl->resourcesneeded );
|
|
SV_ClearResourceList( &cl->resourcesonhand );
|
|
return;
|
|
}
|
|
Con_DPrintf( "resources to request: %s\n", Q_memprint( totalsize ));
|
|
}
|
|
|
|
cl->upstate = us_processing;
|
|
SV_BatchUploadRequest( cl );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ParseCvarValue
|
|
|
|
Parse a requested value from client cvar
|
|
===================
|
|
*/
|
|
void SV_ParseCvarValue( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
const char *value = MSG_ReadString( msg );
|
|
|
|
if( svgame.dllFuncs2.pfnCvarValue != NULL )
|
|
svgame.dllFuncs2.pfnCvarValue( cl->edict, value );
|
|
Con_Reportf( "Cvar query response: name:%s, value:%s\n", cl->name, value );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ParseCvarValue2
|
|
|
|
Parse a requested value from client cvar
|
|
===================
|
|
*/
|
|
void SV_ParseCvarValue2( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
string name, value;
|
|
int requestID = MSG_ReadLong( msg );
|
|
|
|
Q_strcpy( name, MSG_ReadString( msg ));
|
|
Q_strcpy( value, MSG_ReadString( msg ));
|
|
|
|
if( svgame.dllFuncs2.pfnCvarValue2 != NULL )
|
|
svgame.dllFuncs2.pfnCvarValue2( cl->edict, requestID, name, value );
|
|
Con_Reportf( "Cvar query response: name:%s, request ID %d, cvar:%s, value:%s\n", cl->name, requestID, name, value );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
SV_ExecuteClientMessage
|
|
|
|
Parse a client packet
|
|
===================
|
|
*/
|
|
void SV_ExecuteClientMessage( sv_client_t *cl, sizebuf_t *msg )
|
|
{
|
|
qboolean move_issued = false;
|
|
client_frame_t *frame;
|
|
int c;
|
|
|
|
ASSERT( cl->frames != NULL );
|
|
|
|
// calc ping time
|
|
frame = &cl->frames[cl->netchan.incoming_acknowledged & SV_UPDATE_MASK];
|
|
|
|
// ping time doesn't factor in message interval, either
|
|
frame->ping_time = host.realtime - frame->senttime - cl->cl_updaterate;
|
|
|
|
// on first frame ( no senttime ) don't skew ping
|
|
if( frame->senttime == 0.0f ) frame->ping_time = 0.0f;
|
|
|
|
// don't skew ping based on signon stuff either
|
|
if(( host.realtime - cl->connection_started ) < 2.0f && ( frame->ping_time > 0.0 ))
|
|
frame->ping_time = 0.0f;
|
|
|
|
cl->latency = SV_CalcClientTime( cl );
|
|
cl->delta_sequence = -1; // no delta unless requested
|
|
|
|
// read optional clientCommand strings
|
|
while( cl->state != cs_zombie )
|
|
{
|
|
if( MSG_CheckOverflow( msg ))
|
|
{
|
|
Con_DPrintf( S_ERROR "incoming overflow for %s\n", cl->name );
|
|
SV_DropClient( cl, false );
|
|
return;
|
|
}
|
|
|
|
// end of message
|
|
if( MSG_GetNumBitsLeft( msg ) < 8 )
|
|
break;
|
|
|
|
c = MSG_ReadClientCmd( msg );
|
|
|
|
switch( c )
|
|
{
|
|
case clc_nop:
|
|
break;
|
|
case clc_delta:
|
|
cl->delta_sequence = MSG_ReadByte( msg );
|
|
break;
|
|
case clc_move:
|
|
if( move_issued ) return; // someone is trying to cheat...
|
|
move_issued = true;
|
|
SV_ParseClientMove( cl, msg );
|
|
break;
|
|
case clc_stringcmd:
|
|
SV_ExecuteClientCommand( cl, MSG_ReadString( msg ));
|
|
if( cl->state == cs_zombie )
|
|
return; // disconnect command
|
|
break;
|
|
case clc_resourcelist:
|
|
SV_ParseResourceList( cl, msg );
|
|
break;
|
|
case clc_fileconsistency:
|
|
SV_ParseConsistencyResponse( cl, msg );
|
|
break;
|
|
case clc_requestcvarvalue:
|
|
SV_ParseCvarValue( cl, msg );
|
|
break;
|
|
case clc_requestcvarvalue2:
|
|
SV_ParseCvarValue2( cl, msg );
|
|
break;
|
|
default:
|
|
Con_DPrintf( S_ERROR "%s: clc_bad\n", cl->name );
|
|
SV_DropClient( cl, false );
|
|
return;
|
|
}
|
|
}
|
|
} |