2 * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
5 #define _DEFAULT_SOURCE
10 volatile sig_atomic_t sig_stop
;
12 static void inthandler( int signum
) {
16 #include "gameserver.h"
17 #include "highscores.c"
18 #include "servermonitor_server.c"
19 #include "vg/vg_opt.h"
21 static const u64 k_connection_unauthorized
= 0xffffffffffffffff;
23 static u64_steamid
get_connection_authsteamid( SteamNetworkingMessage_t
*msg
){
24 i64 userdata
= SteamAPI_ISteamNetworkingSockets_GetConnectionUserData(
25 hSteamNetworkingSockets
, msg
->m_conn
);
27 return *((u64_steamid
*)&userdata
);
30 static void set_connection_authsteamid(HSteamNetConnection con
, u64_steamid id
){
31 i64 userdata
= *((i64
*)&id
);
33 SteamAPI_ISteamNetworkingSockets_SetConnectionUserData(
34 hSteamNetworkingSockets
, con
, userdata
);
37 static void new_client_connecting( HSteamNetConnection client
){
38 EResult accept_status
= SteamAPI_ISteamNetworkingSockets_AcceptConnection(
39 hSteamNetworkingSockets
, client
);
41 if( accept_status
== k_EResultOK
){
42 vg_success( "Accepted client (id: %u)\n", client
);
43 SteamAPI_ISteamNetworkingSockets_SetConnectionPollGroup(
44 hSteamNetworkingSockets
,
45 client
, gameserver
.client_group
);
48 set_connection_authsteamid( client
, -1 );
51 vg_warn( "Error accepting client (id: %u)\n", client
);
55 static void on_auth_status( CallbackMsg_t
*msg
){
56 SteamNetAuthenticationStatus_t
*info
= (void *)msg
->m_pubParam
;
57 vg_info( " Authentication availibility: %s\n",
58 string_ESteamNetworkingAvailability(info
->m_eAvail
) );
59 vg_info( " %s\n", info
->m_debugMsg
);
62 static void on_connect_status( CallbackMsg_t
*msg
){
63 SteamNetConnectionStatusChangedCallback_t
*info
= (void *)msg
->m_pubParam
;
64 vg_info( " Connection status changed for %lu\n", info
->m_hConn
);
66 vg_info( " %s -> %s\n",
67 string_ESteamNetworkingConnectionState(info
->m_eOldState
),
68 string_ESteamNetworkingConnectionState(info
->m_info
.m_eState
) );
70 if( info
->m_info
.m_eState
==k_ESteamNetworkingConnectionState_Connecting
){
71 new_client_connecting( info
->m_hConn
);
75 static void on_inet_auth( SteamNetworkingMessage_t
*msg
){
76 if( gameserver
.auth_mode
!= eServerModeAuthentication
){
77 vg_error( "Running server without authentication. "
78 "Connection %u tried to authenticate.\n", msg
->m_conn
);
82 if( get_connection_authsteamid( msg
) != k_connection_unauthorized
){
83 vg_warn( "Already authorized this user but app ticket was sent"
84 " again (%u)\n", msg
->m_conn
);
88 vg_low( "Attempting to verify user\n" );
90 if( msg
->m_cbSize
< sizeof(netmsg_auth
) ){
91 vg_error( "Malformed auth ticket, too small (%u)\n", msg
->m_conn
);
95 netmsg_auth
*auth
= msg
->m_pData
;
97 if( msg
->m_cbSize
< sizeof(netmsg_auth
)+auth
->ticket_length
||
98 auth
->ticket_length
> 1024 ){
99 vg_error( "Malformed auth ticket, ticket_length incorrect (%u)\n",
100 auth
->ticket_length
);
105 u32 ticket_len
= 1024;
107 int success
= SteamEncryptedAppTicket_BDecryptTicket(
108 auth
->ticket
, auth
->ticket_length
, decrypted
,
109 &ticket_len
, gameserver
.app_symmetric_key
,
110 k_nSteamEncryptedAppTicketSymmetricKeyLen
);
113 vg_error( "Failed to decrypt users ticket (client %u)\n", msg
->m_conn
);
114 vg_error( " ticket length: %u\n", auth
->ticket_length
);
116 SteamAPI_ISteamNetworkingSockets_CloseConnection(
117 hSteamNetworkingSockets
,
118 msg
->m_conn
, 0, NULL
, 1 );
122 if( SteamEncryptedAppTicket_GetTicketIssueTime( decrypted
, ticket_len
)){
123 RTime32 ctime
= time(NULL
),
124 tickettime
= SteamEncryptedAppTicket_GetTicketIssueTime(
125 decrypted
, ticket_len
),
126 expiretime
= tickettime
+ 24*3*60*60;
128 if( ctime
> expiretime
){
129 vg_error( "Ticket expired (client %u)\n", msg
->m_conn
);
131 /* TODO: Send expired information */
132 SteamAPI_ISteamNetworkingSockets_CloseConnection(
133 hSteamNetworkingSockets
,
134 msg
->m_conn
, 0, NULL
, 1 );
140 SteamEncryptedAppTicket_GetTicketSteamID( decrypted
, ticket_len
, &steamid
);
141 vg_success( "User is authenticated! steamid %lu (%u)\n",
142 steamid
.m_unAll64Bits
, msg
->m_conn
);
144 set_connection_authsteamid( msg
->m_conn
, steamid
.m_unAll64Bits
);
147 static int inet_require_auth( SteamNetworkingMessage_t
*msg
){
148 if( gameserver
.auth_mode
== eServerModeNoAuthentication
)
151 if( get_connection_authsteamid( msg
) == k_connection_unauthorized
){
152 vg_warn( "Unauthorized request! Disconnecting client: %u\n",
155 SteamAPI_ISteamNetworkingSockets_CloseConnection(
156 hSteamNetworkingSockets
,
157 msg
->m_conn
, 0, NULL
, 1 );
164 static void on_inet_score_request( SteamNetworkingMessage_t
*msg
){
165 if( !inet_require_auth(msg
) ) return;
167 SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
168 hSteamNetworkingSockets
, msg
->m_conn
,
169 &scoreboard_client_data
, sizeof(netmsg_scoreboard
),
170 k_nSteamNetworkingSend_Reliable
, NULL
);
173 static void on_inet_set_nickname( SteamNetworkingMessage_t
*msg
){
174 if(!inet_require_auth(msg
)) return;
176 u64_steamid steamid
= get_connection_authsteamid(msg
);
177 netmsg_set_nickname
*setnick
= msg
->m_pData
;
178 if( msg
->m_cbSize
< sizeof(netmsg_set_nickname
) ){
179 vg_warn( "Invalid nickname request from client: %u, steamid: %lu\n",
180 msg
->m_conn
, steamid
);
184 highscore_set_user_nickname( steamid
, setnick
->nickname
);
187 static void on_inet_set_score( SteamNetworkingMessage_t
*msg
){
188 if(!inet_require_auth(msg
)) return;
190 u64_steamid steamid
= get_connection_authsteamid(msg
);
192 if( msg
->m_cbSize
< sizeof(netmsg_set_score
) ){
193 vg_warn( "Invalid set score post from client: %u, steamid: %lu\n",
194 msg
->m_conn
, steamid
);
198 netmsg_set_score
*info
= msg
->m_pData
;
200 if( msg
->m_cbSize
< sizeof(netmsg_set_score
) +
201 sizeof(struct netmsg_score_record
)*info
->record_count
){
202 vg_warn( "Malformed set score post from client: %u, steamid: %lu\n",
203 msg
->m_conn
, steamid
);
207 for( int i
=0; i
<info
->record_count
; i
++ ){
208 highscore_record temp
;
209 temp
.trackid
= info
->records
[i
].trackid
;
210 temp
.datetime
= time(NULL
);
211 temp
.playerid
= steamid
;
212 temp
.points
= info
->records
[i
].points
;
213 temp
.time
= info
->records
[i
].time
;
215 highscores_push_record( &temp
);
219 static void on_inet_playerframe( SteamNetworkingMessage_t
*msg
){
220 if( msg
->m_cbSize
< sizeof(netmsg_playerframe
) ){
225 netmsg_playerframe
*info
= msg
->m_pData
;
226 vg_info( "... @: %.2f %.2f %.2f\n",
227 //msg->m_identityPeer,
228 info
->pos_temp
[0], info
->pos_temp
[1], info
->pos_temp
[2] );
231 static void poll_connections(void){
232 SteamNetworkingMessage_t
*messages
[32];
236 len
= SteamAPI_ISteamNetworkingSockets_ReceiveMessagesOnPollGroup(
237 hSteamNetworkingSockets
,
238 gameserver
.client_group
, messages
, vg_list_size(messages
) );
243 for( int i
=0; i
<len
; i
++ ){
244 SteamNetworkingMessage_t
*msg
= messages
[i
];
246 if( msg
->m_cbSize
< sizeof(netmsg_blank
) ){
247 vg_warn( "Discarding message (too small: %d)\n",
252 netmsg_blank
*tmp
= msg
->m_pData
;
254 if( tmp
->inetmsg_id
== k_inetmsg_auth
)
256 else if( tmp
->inetmsg_id
== k_inetmsg_scores_request
)
257 on_inet_score_request( msg
);
258 else if( tmp
->inetmsg_id
== k_inetmsg_set_nickname
)
259 on_inet_set_nickname( msg
);
260 else if( tmp
->inetmsg_id
== k_inetmsg_set_score
)
261 on_inet_set_score( msg
);
262 else if( tmp
->inetmsg_id
== k_inetmsg_playerframe
)
263 on_inet_playerframe( msg
);
265 vg_warn( "Unknown inetmsg_id recieved from client. (%u)\n",
269 SteamAPI_SteamNetworkingMessage_t_Release( msg
);
274 static u64
seconds_to_server_ticks( double s
){
278 static void generate_boards(void){
279 FILE *fp
= fopen( "www/html/srhighscores.txt", "w" );
282 vg_error( "Can't write boards to www/html/srhighscores.txt\n" );
286 for( int i
=0; i
<vg_list_size(track_infos
); i
++ ){
287 struct netmsg_board
*board
= &scoreboard_client_data
.boards
[i
];
289 highscores_board_generate( board
->data
, i
, 10 );
290 highscores_board_printf( fp
, board
->data
, 10 );
296 int main( int argc
, char *argv
[] ){
297 signal( SIGINT
, inthandler
);
298 signal( SIGQUIT
, inthandler
);
299 signal( SIGPIPE
, SIG_IGN
);
302 while( vg_argp( argc
, argv
) ){
303 if( vg_long_opt( "noauth" ) )
304 gameserver
.auth_mode
= eServerModeNoAuthentication
;
307 /* TODO: Options to override, ammend, remove etc */
309 vg_set_mem_quota( 80*1024*1024 );
312 highscores_init( 250000, 10000 );
314 if( !highscores_read() )
315 highscores_create_db();
317 steamworks_ensure_txt( "2103940" );
319 if( gameserver
.auth_mode
== eServerModeAuthentication
){
320 if( !vg_load_steam_symetric_key( "application_key",
321 gameserver
.app_symmetric_key
)){
326 vg_warn( "Running without user authentication.\n" );
329 if( !SteamGameServer_Init( 0, 27400, 27401,
330 gameserver
.auth_mode
, "1.0.0.0" ) ){
331 vg_error( "SteamGameServer_Init failed\n" );
335 void *hSteamGameServer
= SteamAPI_SteamGameServer();
336 SteamAPI_ISteamGameServer_LogOnAnonymous( hSteamGameServer
);
338 SteamAPI_ManualDispatch_Init();
339 HSteamPipe hsteampipe
= SteamGameServer_GetHSteamPipe();
341 //hSteamHTTP = SteamAPI_SteamGameServerHTTP();
342 hSteamNetworkingSockets
=
343 SteamAPI_SteamGameServerNetworkingSockets_SteamAPI();
349 steam_register_callback( k_iSteamNetAuthenticationStatus
, on_auth_status
);
350 steam_register_callback( k_iSteamNetConnectionStatusChangedCallBack
,
353 vg_success( "Steamworks API running\n" );
354 steamworks_event_loop( hsteampipe
);
360 HSteamListenSocket listener
;
361 SteamNetworkingIPAddr localAddr
;
362 SteamAPI_SteamNetworkingIPAddr_Clear( &localAddr
);
363 localAddr
.m_port
= 27402;
365 listener
= SteamAPI_ISteamNetworkingSockets_CreateListenSocketIP(
366 hSteamNetworkingSockets
, &localAddr
, 0, NULL
);
367 gameserver
.client_group
= SteamAPI_ISteamNetworkingSockets_CreatePollGroup(
368 hSteamNetworkingSockets
);
370 u64 server_ticks
= 8000,
371 last_record_save
= 8000,
372 last_scoreboard_gen
= 0,
373 last_monitor_heartbeat
= 0;
376 monitor_start_server();
379 monitor_event_loop();
380 steamworks_event_loop( hsteampipe
);
387 (last_monitor_heartbeat
+ seconds_to_server_ticks(10.0))){
388 last_monitor_heartbeat
= server_ticks
;
392 if( server_ticks
> last_scoreboard_gen
+ seconds_to_server_ticks(60.0) ){
393 last_scoreboard_gen
= server_ticks
;
397 if( server_ticks
> last_record_save
+ seconds_to_server_ticks(10.0*60.0)){
398 last_record_save
= server_ticks
;
399 highscores_serialize_all();
403 highscores_serialize_all();
405 SteamAPI_ISteamNetworkingSockets_DestroyPollGroup( hSteamNetworkingSockets
,
406 gameserver
.client_group
);
407 SteamAPI_ISteamNetworkingSockets_CloseListenSocket(
408 hSteamNetworkingSockets
, listener
);
410 vg_info( "Shutting down\n..." );
411 SteamGameServer_Shutdown();