/*
=======================
CL_SendConnectPacket
We have gotten a challenge from the server, so try and
connect.
======================
*/
void CL_SendConnectPacket (void)
{
netadr_t adr;
int32_t port;
if (!NET_StringToAdr (cls.servername, &adr))
{
Com_Printf ("Bad server address\n");
cls.connect_time = 0;
return;
}
if (adr.port == 0)
adr.port = BigShort (PORT_SERVER);
port = Cvar_VariableValue ("qport");
userinfo_modified = false;
// if in compatibility mode, lie to server about this
// client's protocol, but exclude localhost for this.
if (cl_servertrick->value && strcmp(cls.servername, "localhost"))
Netchan_OutOfBandPrint (NS_CLIENT, adr, "connect %i %i %i \"%s\"\n",
OLD_PROTOCOL_VERSION, port, cls.challenge, Cvar_Userinfo() );
else
Netchan_OutOfBandPrint (NS_CLIENT, adr, "connect %i %i %i \"%s\"\n",
PROTOCOL_VERSION, port, cls.challenge, Cvar_Userinfo() );
}
/* <9a0ba> ../engine/sv_log.c:37 */
void Log_Printf(const char *fmt, ...)
{
va_list argptr;
char string[1024];
time_t ltime;
tm *today;
LOGLIST_T *list;
if (!g_psvs.log.net_log_ && !firstLog && !g_psvs.log.active)
return;
time(<ime);
today = localtime(<ime);
va_start(argptr, fmt);
Q_snprintf(string,sizeof(string), "L %02i/%02i/%04i - %02i:%02i:%02i: ",
today->tm_mon + 1,
today->tm_mday,
today->tm_year + 1900,
today->tm_hour,
today->tm_min,
today->tm_sec);
Q_vsnprintf(&string[Q_strlen(string)], sizeof(string) - Q_strlen(string), fmt, argptr);
va_end(argptr);
#ifdef REHLDS_FLIGHT_REC
FR_Log("REHLDS_LOG", string);
#endif
if (g_psvs.log.net_log_ || firstLog != NULL)
{
if (g_psvs.log.net_log_)
Netchan_OutOfBandPrint(NS_SERVER, g_psvs.log.net_address_, "log %s", string);
for (list = firstLog; list != NULL; list = list->next)
{
if (sv_logsecret.value == 0.0f)
Netchan_OutOfBandPrint(NS_SERVER, list->log.net_address_, "log %s", string);
else Netchan_OutOfBandPrint(NS_SERVER, list->log.net_address_, "%c%s%s", S2A_LOGKEY, sv_logsecret.string, string);
}
}
if (g_psvs.log.active && (g_psvs.maxclients > 1 || sv_log_singleplayer.value != 0.0f))
{
if (mp_logecho.value != 0.0f)
Con_Printf("%s", string);
if (g_psvs.log.file)
{
if (mp_logfile.value != 0.0f)
FS_FPrintf((FileHandle_t)g_psvs.log.file, "%s", string);
}
}
}
/*
* TV_Downstream_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 upstream IPs. With a
* challenge, they must give a valid IP address.
*/
static void TV_Downstream_GetChallenge( const socket_t *socket, const netadr_t *address )
{
int i;
int oldest;
int oldestTime;
oldest = 0;
oldestTime = 0x7fffffff;
// see if we already have a challenge for this ip
for( i = 0; i < MAX_CHALLENGES; i++ )
{
if( NET_CompareBaseAddress( address, &tvs.challenges[i].adr ) )
break;
if( tvs.challenges[i].time < oldestTime )
{
oldestTime = tvs.challenges[i].time;
oldest = i;
}
}
if( i == MAX_CHALLENGES )
{
// overwrite the oldest
tvs.challenges[oldest].challenge = rand() & 0x7fff;
tvs.challenges[oldest].adr = *address;
tvs.challenges[oldest].time = tvs.realtime;
i = oldest;
}
Netchan_OutOfBandPrint( socket, address, "challenge %i", tvs.challenges[i].challenge );
}
/**
* @brief
*/
static void Cl_SendBroadcast(void) {
const GList *e = cls.servers;
while (e) { // update old ping times
cl_server_info_t *s = (cl_server_info_t *) e->data;
if (s->source == SERVER_SOURCE_BCAST) {
s->ping_time = quetoo.ticks;
s->ping = 999;
}
e = e->next;
}
net_addr_t addr;
memset(&addr, 0, sizeof(addr));
addr.type = NA_BROADCAST;
addr.port = htons(PORT_SERVER);
Netchan_OutOfBandPrint(NS_UDP_CLIENT, &addr, "info %i", PROTOCOL_MAJOR);
cls.broadcast_time = quetoo.ticks;
}
/**
* @brief
*/
void Cl_Ping_f(void) {
net_addr_t addr;
cl_server_info_t *server;
if (Cmd_Argc() != 2) {
Com_Print("Usage: %s <address>\n", Cmd_Argv(0));
return;
}
server = NULL;
if (!Net_StringToNetaddr(Cmd_Argv(1), &addr)) {
Com_Print("Invalid address\n");
return;
}
if (!addr.port) { // use default
addr.port = (uint16_t) htons(PORT_SERVER);
}
server = Cl_ServerForNetaddr(&addr);
if (!server) { // add it
server = Cl_AddServer(&addr);
server->source = SERVER_SOURCE_USER;
}
server->ping_time = quetoo.ticks;
server->ping = 999;
Com_Print("Pinging %s\n", Net_NetaddrToString(&server->addr));
Netchan_OutOfBandPrint(NS_UDP_CLIENT, &server->addr, "info %i", PROTOCOL_MAJOR);
}
/*
* We have gotten a challenge from the server, so try and
* connect.
*/
void
CL_SendConnectPacket(void)
{
netadr_t adr;
int port;
memset(&adr, 0, sizeof(adr));
if (!NET_StringToAdr(cls.servername, &adr))
{
Com_Printf("Bad server address\n");
cls.connect_time = 0;
return;
}
if (adr.port == 0)
{
adr.port = BigShort(PORT_SERVER);
}
port = Cvar_VariableValue("qport");
userinfo_modified = false;
Netchan_OutOfBandPrint(NS_CLIENT, adr, "connect %i %i %i \"%s\"\n",
PROTOCOL_VERSION, port, cls.challenge, Cvar_Userinfo());
}
/*
* 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" );
}
}
}
/*
* Cl_Ping_f
*/
void Cl_Ping_f(void) {
net_addr_t addr;
cl_server_info_t *server;
if (Cmd_Argc() != 2) {
Com_Print("Usage: %s <address>\n", Cmd_Argv(0));
return;
}
server = NULL;
if (!Net_StringToNetaddr(Cmd_Argv(1), &addr)) {
Com_Print("Invalid address\n");
return;
}
if (!addr.port) // use default
addr.port = (unsigned short) BigShort(PORT_SERVER);
server = Cl_ServerForNetaddr(&addr);
if (!server) { // add it
server = Cl_AddServer(&addr);
server->source = SERVER_SOURCE_USER;
}
server->ping_time = cls.real_time;
server->ping = 0;
Com_Print("Pinging %s\n", Net_NetaddrToString(server->addr));
Netchan_OutOfBandPrint(NS_CLIENT, server->addr, "info %i", PROTOCOL);
}
/*
=================
cGetChallenge
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 cGetChallenge(int argc, char **argv)
{
int i;
int oldest = 0;
int oldestTime = 0x7FFFFFFF;
// see if we already have a challenge for this ip
for (i = 0; i < MAX_CHALLENGES; i++)
{
if (NET_CompareBaseAdr(&net_from, &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 = net_from;
svs.challenges[oldest].time = appMilliseconds();
i = oldest;
}
// send it back
Netchan_OutOfBandPrint(NS_SERVER, net_from, "challenge %d", svs.challenges[i].challenge);
}
/*
* Svc_Info
*
* Responds with short info for broadcast scans.
*/
static void Svc_Info(void) {
char string[MAX_MSG_SIZE];
int i, count;
int prot;
if (sv_max_clients->integer == 1)
return; // ignore in single player
prot = atoi(Cmd_Argv(1));
if (prot != PROTOCOL)
snprintf(string, sizeof(string), "%s: wrong protocol version\n", sv_hostname->string);
else {
count = 0;
for (i = 0; i < sv_max_clients->integer; i++) {
if (svs.clients[i].state >= SV_CLIENT_CONNECTED)
count++;
}
snprintf(string, sizeof(string), "%-63s\\%-31s\\%-31s\\%d\\%d",
sv_hostname->string, sv.name, Cvar_GetString("g_gameplay"),
count, sv_max_clients->integer);
}
Netchan_OutOfBandPrint(NS_SERVER, net_from, "info\n%s", string);
}
//================
// SV_MMHeartbeat
// Send matchmaker a heartbeat with status
//================
void SV_MMHeartbeat( void )
{
static qboolean canhost = qfalse;
netadr_t address;
socket_t *socket;
if( !sv_public->integer )
return;
// never go public when not acting as a game server
if( sv.state > ss_game )
return;
if( !SV_MM_Initialized() || SV_MM_IsLocked() )
return;
svc.last_mmheartbeat -= svc.snapFrameTime;
if( svc.last_mmheartbeat > 0 && canhost == SV_MM_CanHost() )
return;
if ( !SV_MM_NetAddress( &address ) )
return;
svc.last_mmheartbeat = MM_HEARTBEAT_SECONDS * 1000;
canhost = SV_MM_CanHost();
socket = ( address.type == NA_IP6 ? &svs.socket_udp6 : &svs.socket_udp );
Netchan_OutOfBandPrint( socket, &address,
"heartbeat %s %d %d %s", canhost ? "yes":"no", APP_PROTOCOL_VERSION, SV_MM_GetSlotCount(), SV_MM_Salt() );
Com_Printf( "Sending heartbeat to matchmaker\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 );
}
/*
================
SVC_Info
Responds with short info for broadcast scans
The second parameter should be the current protocol version number.
================
*/
void SVC_Info(void)
{
char string[64];
int i, count;
int version;
if (maxclients->value == 1)
return; // ignore in single player
version = atoi(Cmd_Argv(1));
if (version != PROTOCOL_VERSION)
Com_sprintf(string, sizeof(string), "%s: wrong version\n", hostname->string, sizeof(string));
else
{
count = 0;
for (i = 0; i < maxclients->value; i++)
if (svs.clients[i].state >= cs_connected)
count++;
Com_sprintf(string, sizeof(string), "%16s %8s %2i/%2i\n", hostname->string, sv.name, count, (int)maxclients->value);
}
Netchan_OutOfBandPrint(NS_SERVER, net_from, "info\n%s", string);
}
/*
* @brief 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 address.
*/
static void Svc_GetChallenge(void) {
uint16_t i, oldest;
uint32_t oldest_time;
oldest = 0;
oldest_time = 0x7fffffff;
// see if we already have a challenge for this ip
for (i = 0; i < MAX_CHALLENGES; i++) {
if (Net_CompareClientNetaddr(&net_from, &svs.challenges[i].addr))
break;
if (svs.challenges[i].time < oldest_time) {
oldest_time = svs.challenges[i].time;
oldest = i;
}
}
if (i == MAX_CHALLENGES) {
// overwrite the oldest
svs.challenges[oldest].challenge = Random() & 0x7fff;
svs.challenges[oldest].addr = net_from;
svs.challenges[oldest].time = quake2world.time;
i = oldest;
}
// send it back
Netchan_OutOfBandPrint(NS_UDP_SERVER, &net_from, "challenge %i", svs.challenges[i].challenge);
}
void Master_Heartbeat (void)
{
char *string;
int i;
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (!dedicated || !dedicated->value)
return; // only dedicated servers send heartbeats
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (!public_server || !public_server->value)
return; // a private dedicated game
// check for time wraparound
if (svs.last_heartbeat > svs.realtime)
svs.last_heartbeat = svs.realtime;
if (svs.realtime - svs.last_heartbeat < HEARTBEAT_SECONDS*1000)
return; // not time to send yet
svs.last_heartbeat = svs.realtime;
// send the same string that we would give for a status OOB command
string = SV_StatusString();
// send to group master
for (i=0 ; i<MAX_MASTERS ; i++)
if (master_adr[i].port)
{
Com_Printf ("Sending heartbeat to %s\n", NET_AdrToString (master_adr[i]));
Netchan_OutOfBandPrint (NS_SERVER, master_adr[i], "heartbeat\n%s", string);
}
}
/*
================
cInfo
Responds with short info for broadcast scans
The second parameter should be the current protocol version number.
================
*/
static void cInfo(int argc, char **argv)
{
if (sv_maxclients->integer == 1 || sv.state == ss_demo || sv.attractloop)
return; // ignore in single player or demoplay
int version = atoi(argv[1]);
if (!version)
{
// we should reject this packet -- this is our "info" answer to local client (loopback packet)
Com_DPrintf("rejected \"info\" answer\n");
return;
}
TString<64> Str;
if (version != PROTOCOL_VERSION)
Str.sprintf("%s: wrong version %d\n", hostname->string, version);
else
{
int count = 0;
for (int i = 0; i < sv_maxclients->integer; i++)
if (svs.clients[i].state >= cs_connected)
count++;
Str.sprintf("%16s %8s %2d/%2d\n", hostname->string, sv.name, count, sv_maxclients->integer);
}
Netchan_OutOfBandPrint(NS_SERVER, net_from, "info\n%s", *Str);
}
/*
* ================= 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. =================
*/
void
SVC_GetChallenge(void)
{
int i;
int oldest;
int oldestTime;
oldest = 0;
oldestTime = 0x7fffffff;
/* see if we already have a challenge for this ip */
for (i = 0; i < MAX_CHALLENGES; i++) {
if (NET_CompareBaseAdr(net_from, 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 = net_from;
svs.challenges[oldest].time = curtime;
i = oldest;
}
/* send it back */
Netchan_OutOfBandPrint(NS_SERVER, net_from, "challenge %i", svs.challenges[i].challenge);
}
/*
=================
CL_CheckForResend
Resend a connect message if the last one has timed out
=================
*/
void CL_CheckForResend( void )
{
netadr_t adr;
// if the local server is running and we aren't then connect
if( cls.state == ca_disconnected && SV_Active( ))
{
cls.state = ca_connecting;
Q_strncpy( cls.servername, "localhost", sizeof( cls.servername ));
// we don't need a challenge on the localhost
CL_SendConnectPacket();
return;
}
// resend if we haven't gotten a reply yet
if( cls.demoplayback || cls.state != ca_connecting )
return;
if(( host.realtime - cls.connect_time ) < 10.0f )
return;
if( !NET_StringToAdr( cls.servername, &adr ))
{
MsgDev( D_ERROR, "CL_CheckForResend: bad server address\n" );
cls.state = ca_disconnected;
return;
}
if( adr.port == 0 ) adr.port = BF_BigShort( PORT_SERVER );
cls.connect_time = host.realtime; // for retransmit requests
MsgDev( D_NOTE, "Connecting to %s...\n", cls.servername );
Netchan_OutOfBandPrint( NS_CLIENT, adr, "getchallenge\n" );
}
/*
* =================
* Master_Shutdown
*
* Informs all masters that this server is going down
* =================
*/
void Master_Shutdown(void)
{
int i;
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (!dedicated || !dedicated->value)
{
return; // only dedicated servers send heartbeats
}
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (!public_server || !public_server->value)
{
return; // a private dedicated game
}
// send to group master
for (i = 0; i < MAX_MASTERS; i++)
{
if (master_adr[i].port)
{
if (i > 0)
{
Com_Printf("Sending heartbeat to %s\n", NET_AdrToString(master_adr[i]));
}
Netchan_OutOfBandPrint(NS_SERVER, master_adr[i], "shutdown");
}
}
}
static void Master_Heartbeat()
{
if (!DEDICATED)
return; // only dedicated servers send heartbeats
if (!public_server->integer)
return; // a private dedicated game
// check for time wraparound
if (svs.last_heartbeat > svs.realtime)
svs.last_heartbeat = svs.realtime;
if (svs.realtime - svs.last_heartbeat < HEARTBEAT_SECONDS*1000)
return; // not time to send yet
svs.last_heartbeat = svs.realtime;
// send the same string that we would give for a status OOB command
const char *string = SV_StatusString();
// send to group master
for (int i = 0; i < MAX_MASTERS; i++)
if (master_adr[i].port)
{
appPrintf("Sending heartbeat to %s\n", NET_AdrToString(&master_adr[i]));
Netchan_OutOfBandPrint(NS_SERVER, master_adr[i], "heartbeat\n%s", string);
}
}
/*
* 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" );
}
}
}
/*
* 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 );
}
/*
=================
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.
=================
*/
void SVC_GetChallenge (void)
{
int i;
int oldest;
int oldestTime;
oldest = 0;
oldestTime = 0x7fffffff;
// see if we already have a challenge for this ip
for (i = 0 ; i < MAX_CHALLENGES ; i++)
{
if (NET_CompareBaseAdr (net_from, 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() << 16) ^ rand();
svs.challenges[oldest].adr = net_from;
svs.challenges[oldest].time = svs.realtime;
i = oldest;
}
// send it back
Netchan_OutOfBandPrint (NS_SERVER, net_from, "%c%i", S2C_CHALLENGE,
svs.challenges[i].challenge);
}
/*
* @brief Sends heartbeat messages to master servers every 300s.
*/
void Sv_HeartbeatMasters(void) {
const char *string;
int32_t i;
if (!dedicated->value)
return; // only dedicated servers report to masters
if (!sv_public->value)
return; // a private dedicated game
if (!svs.initialized) // we're not up yet
return;
if (svs.next_heartbeat > quetoo.time)
return; // not time to send yet
svs.next_heartbeat = quetoo.time + HEARTBEAT_SECONDS * 1000;
// send the same string that we would give for a status command
string = Sv_StatusString();
// send to each master server
for (i = 0; i < MAX_MASTERS; i++) {
if (svs.masters[i].port) {
Com_Print("Sending heartbeat to %s\n", Net_NetaddrToString(&svs.masters[i]));
Netchan_OutOfBandPrint(NS_UDP_SERVER, &svs.masters[i], "heartbeat\n%s", string);
}
}
}
/*
* CL_PingServer_f
*/
void CL_PingServer_f( void )
{
char *address_string;
char requestString[64];
netadr_t adr;
serverlist_t *pingserver;
socket_t *socket;
if( Cmd_Argc() < 2 )
Com_Printf( "Usage: pingserver [ip:port]\n" );
address_string = Cmd_Argv( 1 );
if( !NET_StringToAddress( address_string, &adr ) )
return;
pingserver = CL_ServerFindInList( masterList, address_string );
if( !pingserver )
pingserver = CL_ServerFindInList( favoritesList, address_string );
if( !pingserver )
return;
// never request a second ping while awaiting for a ping reply
if( pingserver->pingTimeStamp + SERVER_PINGING_TIMEOUT > Sys_Milliseconds() )
return;
pingserver->pingTimeStamp = Sys_Milliseconds();
Q_snprintfz( requestString, sizeof( requestString ), "info %i %s %s", SERVERBROWSER_PROTOCOL_VERSION,
filter_allow_full ? "full" : "",
filter_allow_empty ? "empty" : "" );
socket = ( adr.type == NA_IP6 ? &cls.socket_udp6 : &cls.socket_udp );
Netchan_OutOfBandPrint( socket, &adr, requestString );
}
/*
* CL_QueryGetInfoMessage
*/
static void CL_QueryGetInfoMessage( const char *cmdname )
{
netadr_t adr;
char *requeststring;
char *server;
//get what master
server = Cmd_Argv( 1 );
if( !server || !( *server ) )
{
Com_Printf( "%s: no address provided %s...\n", Cmd_Argv( 0 ), server ? server : "" );
return;
}
requeststring = va( cmdname );
// send a broadcast packet
Com_DPrintf( "quering %s...\n", server );
if( NET_StringToAddress( server, &adr ) )
{
socket_t *socket;
if( NET_GetAddressPort( &adr ) == 0 )
NET_SetAddressPort( &adr, PORT_SERVER );
socket = ( adr.type == NA_IP6 ? &cls.socket_udp6 : &cls.socket_udp );
Netchan_OutOfBandPrint( socket, &adr, requeststring );
}
else
{
Com_Printf( "Bad address: %s\n", server );
}
}
/*
* ================
* SVC_Info
*
* Responds with short info for broadcast scans
* The second parameter should be the current protocol version number.
* ================
*/
void SVC_Info(void)
{
char string[64];
int i, count;
int version;
if (maxclients->value == 1)
{
return; // ignore in single player
}
version = atoi(Cmd_Argv(1));
if (version != PROTOCOL_VERSION)
{ // According to r1ch, this can be used to make servers endlessly ping each other
// Com_sprintf (string, sizeof(string), "%s: wrong version\n", hostname->string, sizeof(string));
return;
}
else
{
count = 0;
for (i = 0; i < maxclients->value; i++)
{
if (svs.clients[i].state >= cs_connected)
{
count++;
}
}
Com_sprintf(string, sizeof(string), "%16s %8s %2i/%2i\n", hostname->string, sv.name, count, (int)maxclients->value);
}
Netchan_OutOfBandPrint(NS_SERVER, net_from, "info\n%s", string);
}
/*
* @brief
*/
void Cl_ParseServers(void) {
cl_server_info_t *server;
byte *buffptr = net_message.data + 12;
byte *buffend = buffptr + net_message.size - 12;
// parse the list
while (buffptr + 1 < buffend) {
net_addr_t addr;
byte ip[4];
ip[0] = *buffptr++; // parse the address
ip[1] = *buffptr++;
ip[2] = *buffptr++;
ip[3] = *buffptr++;
uint16_t port = (*buffptr++) << 8; // and the port
port += *buffptr++;
char s[32];
g_snprintf(s, sizeof(s), "%d.%d.%d.%d:%d", ip[0], ip[1], ip[2], ip[3], port);
Com_Debug("Parsed %s\n", s);
if (!Net_StringToNetaddr(s, &addr)) { // make sure it's valid
Com_Warn("Invalid address: %s\n", s);
break;
}
if (!addr.port) // 0's mean we're done
break;
server = Cl_ServerForNetaddr(&addr);
if (!server)
server = Cl_AddServer(&addr);
server->source = SERVER_SOURCE_INTERNET;
}
net_message.read = net_message.size;
// then ping them
GList *e = cls.servers;
while (e) {
server = (cl_server_info_t *) e->data;
if (server->source == SERVER_SOURCE_INTERNET) {
server->ping_time = cls.real_time;
server->ping = 0;
Netchan_OutOfBandPrint(NS_UDP_CLIENT, &server->addr, "info %i", PROTOCOL_MAJOR);
}
e = e->next;
}
}
static void M_ServerlistUpdateUDP (int nStart)
{
netadr_t adr;
static qboolean didUpdateCheck = false;
adr.port = htons(UDP_SERVERLIST_PORT);
NET_StringToAdr(serverlist_udp_source1->string, &adr);
//Netchan_OutOfBandPrint(NS_CLIENT, adr, "serverlist1 %d %s\n", nStart, g_szRandomServerlistString);
Netchan_OutOfBandPrint(NS_CLIENT, adr, "serverlist2\n");
if (!didUpdateCheck && !g_notified_of_new_version)
{
// Not currently implemented on dplogin server, but it may work eventually:
Netchan_OutOfBandPrint(NS_CLIENT, adr, "updatecheck1 " BUILD_S "\n"); // versioncheck / checkversion / buildcheck
didUpdateCheck = true;
}
}
/*
* Cl_ParseServersList
*/
void Cl_ParseServersList(void) {
byte *buffptr;
byte *buffend;
byte ip[4];
unsigned short port;
net_addr_t addr;
cl_server_info_t *server;
char s[32];
buffptr = net_message.data + 12;
buffend = buffptr + net_message.size - 12;
// parse the list
while (buffptr + 1 < buffend) {
ip[0] = *buffptr++; // parse the address
ip[1] = *buffptr++;
ip[2] = *buffptr++;
ip[3] = *buffptr++;
port = (*buffptr++) << 8; // and the port
port += *buffptr++;
snprintf(s, sizeof(s), "%d.%d.%d.%d:%d", ip[0], ip[1], ip[2], ip[3], port);
if (!Net_StringToNetaddr(s, &addr)) { // make sure it's valid
Com_Warn("Cl_ParseServersList: Invalid address: %s.\n", s);
break;
}
if (!addr.port) // 0's mean we're done
break;
server = Cl_ServerForNetaddr(&addr);
if (!server)
server = Cl_AddServer(&addr);
server->source = SERVER_SOURCE_INTERNET;
}
net_message.read = net_message.size;
// then ping them
server = cls.servers;
while (server) {
if (server->source == SERVER_SOURCE_INTERNET) {
server->ping_time = cls.real_time;
server->ping = 0;
Netchan_OutOfBandPrint(NS_CLIENT, server->addr, "info %i", PROTOCOL);
}
server = server->next;
}
}
