1 // Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
4 * This server application requires steamclient.so to be present in the
5 * executable directory. This is not provided by vg system, it must be
6 * downloaded via steamcmd. It will likely be somewhere in ~/.steam/ ...
9 #define _DEFAULT_SOURCE
13 volatile sig_atomic_t sig_stop
;
15 void inthandler( int signum
)
22 #include "vg/vg_steam.h"
23 #include "vg/vg_steam_networking.h"
24 #include "vg/vg_steam_http.h"
25 #include "vg/vg_steam_auth.h"
26 #include "network_msg.h"
27 #include "highscores.h"
29 static const u64 k_connection_unauthorized
= 0xffffffffffffffff;
31 static void *hSteamHTTP
,
32 *hSteamNetworkingSockets
;
34 static u8 steam_symetric_key
[ k_nSteamEncryptedAppTicketSymmetricKeyLen
];
35 static HSteamNetPollGroup client_pollgroup
;
37 static void recieve_http( void *callresult
, void *context
)
39 HTTPRequestCompleted_t
*result
= callresult
;
41 HTTPRequestHandle request
= result
->m_hRequest
;
44 SteamAPI_ISteamHTTP_GetHTTPResponseBodySize( hSteamHTTP
, request
, &size
);
46 u8
*buffer
= malloc( size
);
47 SteamAPI_ISteamHTTP_GetHTTPResponseBodyData(
48 hSteamHTTP
, request
, buffer
, size
);
50 buffer
[size
-1] = '\0';
51 vg_info( "%s\n", (char *)buffer
);
54 SteamAPI_ISteamHTTP_ReleaseHTTPRequest( hSteamHTTP
, result
->m_hRequest
);
57 static u64_steamid
get_connection_authsteamid( SteamNetworkingMessage_t
*msg
)
59 i64 userdata
= SteamAPI_ISteamNetworkingSockets_GetConnectionUserData(
60 hSteamNetworkingSockets
, msg
->m_conn
);
62 return *((u64_steamid
*)&userdata
);
65 static void set_connection_authsteamid(HSteamNetConnection con
, u64_steamid id
)
67 i64 userdata
= *((i64
*)&id
);
69 SteamAPI_ISteamNetworkingSockets_SetConnectionUserData(
70 hSteamNetworkingSockets
, con
, userdata
);
73 static void new_client_connecting( HSteamNetConnection client
)
75 EResult accept_status
= SteamAPI_ISteamNetworkingSockets_AcceptConnection(
76 hSteamNetworkingSockets
, client
);
78 if( accept_status
== k_EResultOK
)
80 vg_success( "Accepted client (id: %u)\n", client
);
81 SteamAPI_ISteamNetworkingSockets_SetConnectionPollGroup(
82 hSteamNetworkingSockets
,
83 client
, client_pollgroup
);
86 set_connection_authsteamid( client
, -1 );
90 vg_warn( "Error accepting client (id: %u)\n", client
);
94 static void on_auth_status( CallbackMsg_t
*msg
)
96 SteamNetAuthenticationStatus_t
*info
= (void *)msg
->m_pubParam
;
97 vg_info( " Authentication availibility: %s\n",
98 string_ESteamNetworkingAvailability(info
->m_eAvail
) );
99 vg_info( " %s\n", info
->m_debugMsg
);
102 static void on_connect_status( CallbackMsg_t
*msg
)
104 SteamNetConnectionStatusChangedCallback_t
*info
= (void *)msg
->m_pubParam
;
105 vg_info( " Connection status changed for %lu\n", info
->m_hConn
);
107 vg_info( " %s -> %s\n",
108 string_ESteamNetworkingConnectionState(info
->m_eOldState
),
109 string_ESteamNetworkingConnectionState(info
->m_info
.m_eState
) );
111 if( info
->m_info
.m_eState
==k_ESteamNetworkingConnectionState_Connecting
)
113 new_client_connecting( info
->m_hConn
);
117 static void on_inet_auth( SteamNetworkingMessage_t
*msg
)
119 if( get_connection_authsteamid( msg
) != k_connection_unauthorized
)
121 vg_warn( "Already authorized this user but app ticket was sent"
122 " again (%u)\n", msg
->m_conn
);
126 vg_log( "Attempting to verify user\n" );
128 if( msg
->m_cbSize
< sizeof(netmsg_auth
) )
130 vg_error( "Malformed auth ticket, too small (%u)\n", msg
->m_conn
);
134 netmsg_auth
*auth
= msg
->m_pData
;
136 if( msg
->m_cbSize
< sizeof(netmsg_auth
)+auth
->ticket_length
||
137 auth
->ticket_length
> 1024 )
139 vg_error( "Malformed auth ticket, ticket_length incorrect (%u)\n",
140 auth
->ticket_length
);
145 u32 ticket_len
= 1024;
147 int success
= SteamEncryptedAppTicket_BDecryptTicket(
148 auth
->ticket
, auth
->ticket_length
, decrypted
,
149 &ticket_len
, steam_symetric_key
,
150 k_nSteamEncryptedAppTicketSymmetricKeyLen
);
154 vg_error( "Failed to decrypt users ticket (client %u)\n", msg
->m_conn
);
155 vg_error( " ticket length: %u\n", auth
->ticket_length
);
157 SteamAPI_ISteamNetworkingSockets_CloseConnection(
158 hSteamNetworkingSockets
,
159 msg
->m_conn
, 0, NULL
, 1 );
163 if( SteamEncryptedAppTicket_GetTicketIssueTime( decrypted
, ticket_len
))
165 RTime32 ctime
= time(NULL
),
166 tickettime
= SteamEncryptedAppTicket_GetTicketIssueTime(
167 decrypted
, ticket_len
),
168 expiretime
= tickettime
+ 24*3*60*60;
170 if( ctime
> expiretime
)
172 vg_error( "Ticket expired (client %u)\n", msg
->m_conn
);
174 /* TODO: Send expired information */
175 SteamAPI_ISteamNetworkingSockets_CloseConnection(
176 hSteamNetworkingSockets
,
177 msg
->m_conn
, 0, NULL
, 1 );
183 SteamEncryptedAppTicket_GetTicketSteamID( decrypted
, ticket_len
, &steamid
);
184 vg_success( "User is authenticated! steamid %lu (%u)\n",
185 steamid
.m_unAll64Bits
, msg
->m_conn
);
187 set_connection_authsteamid( msg
->m_conn
, steamid
.m_unAll64Bits
);
190 static int inet_require_auth( SteamNetworkingMessage_t
*msg
)
192 if( get_connection_authsteamid( msg
) == k_connection_unauthorized
)
194 vg_warn( "Unauthorized request! Disconnecting client: %u\n",
197 SteamAPI_ISteamNetworkingSockets_CloseConnection(
198 hSteamNetworkingSockets
,
199 msg
->m_conn
, 0, NULL
, 1 );
206 static void on_inet_score_request( SteamNetworkingMessage_t
*msg
)
208 if( !inet_require_auth(msg
) ) return;
210 SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
211 hSteamNetworkingSockets
, msg
->m_conn
,
212 &scoreboard_client_data
, sizeof(netmsg_scoreboard
),
213 k_nSteamNetworkingSend_Reliable
, NULL
);
216 static void on_inet_set_nickname( SteamNetworkingMessage_t
*msg
)
218 if(!inet_require_auth(msg
)) return;
220 u64_steamid steamid
= get_connection_authsteamid(msg
);
221 netmsg_set_nickname
*setnick
= msg
->m_pData
;
222 if( msg
->m_cbSize
< sizeof(netmsg_set_nickname
) )
224 vg_warn( "Invalid nickname request from client: %u, steamid: %lu\n",
225 msg
->m_conn
, steamid
);
229 highscore_set_user_nickname( steamid
, setnick
->nickname
);
232 static void on_inet_set_score( SteamNetworkingMessage_t
*msg
)
234 if(!inet_require_auth(msg
)) return;
236 u64_steamid steamid
= get_connection_authsteamid(msg
);
238 if( msg
->m_cbSize
< sizeof(netmsg_set_score
) )
240 vg_warn( "Invalid set score post from client: %u, steamid: %lu\n",
241 msg
->m_conn
, steamid
);
245 netmsg_set_score
*info
= msg
->m_pData
;
247 if( msg
->m_cbSize
< sizeof(netmsg_set_score
) +
248 sizeof(struct netmsg_score_record
)*info
->record_count
)
250 vg_warn( "Malformed set score post from client: %u, steamid: %lu\n",
251 msg
->m_conn
, steamid
);
255 for( int i
=0; i
<info
->record_count
; i
++ )
257 highscore_record temp
;
258 temp
.trackid
= info
->records
[i
].trackid
;
259 temp
.datetime
= time(NULL
);
260 temp
.playerid
= steamid
;
261 temp
.points
= info
->records
[i
].points
;
262 temp
.time
= info
->records
[i
].time
;
264 highscores_push_record( &temp
);
268 static void poll_connections(void)
270 SteamNetworkingMessage_t
*messages
[32];
275 len
= SteamAPI_ISteamNetworkingSockets_ReceiveMessagesOnPollGroup(
276 hSteamNetworkingSockets
,
277 client_pollgroup
, messages
, vg_list_size(messages
) );
282 for( int i
=0; i
<len
; i
++ )
284 SteamNetworkingMessage_t
*msg
= messages
[i
];
286 if( msg
->m_cbSize
< sizeof(netmsg_blank
) )
288 vg_warn( "Discarding message (too small: %d)\n",
293 netmsg_blank
*tmp
= msg
->m_pData
;
295 if( tmp
->inetmsg_id
== k_inetmsg_auth
)
297 else if( tmp
->inetmsg_id
== k_inetmsg_scores_request
)
298 on_inet_score_request( msg
);
299 else if( tmp
->inetmsg_id
== k_inetmsg_set_nickname
)
300 on_inet_set_nickname( msg
);
301 else if( tmp
->inetmsg_id
== k_inetmsg_set_score
)
302 on_inet_set_score( msg
);
304 SteamAPI_SteamNetworkingMessage_t_Release( msg
);
309 static u64
seconds_to_server_ticks( double s
)
314 static void generate_boards(void)
316 FILE *fp
= fopen( "www/html/srhighscores.txt", "w" );
318 for( int i
=0; i
<vg_list_size(track_infos
); i
++ )
320 struct netmsg_board
*board
= &scoreboard_client_data
.boards
[i
];
322 highscores_board_generate( board
->data
, i
, 10 );
323 highscores_board_printf( fp
, board
->data
, 10 );
329 int main( int argc
, char *argv
[] )
331 signal( SIGINT
, inthandler
);
332 signal( SIGQUIT
, inthandler
);
334 highscores_init( 250000, 10000 );
336 steamworks_ensure_txt( "2103940" );
337 if( !vg_load_steam_symetric_key( "application_key", steam_symetric_key
) )
340 if( !SteamGameServer_Init( 0, 27400, 27401, eServerModeAuthentication
,
343 vg_error( "SteamGameServer_Init failed\n" );
347 void *hSteamGameServer
= SteamAPI_SteamGameServer();
348 SteamAPI_ISteamGameServer_LogOnAnonymous( hSteamGameServer
);
350 SteamAPI_ManualDispatch_Init();
351 HSteamPipe hsteampipe
= SteamGameServer_GetHSteamPipe();
353 //hSteamHTTP = SteamAPI_SteamGameServerHTTP();
354 hSteamNetworkingSockets
=
355 SteamAPI_SteamGameServerNetworkingSockets_SteamAPI();
361 steam_register_callback( k_iSteamNetAuthenticationStatus
, on_auth_status
);
362 steam_register_callback( k_iSteamNetConnectionStatusChangedCallBack
,
365 vg_success( "Steamworks API running\n" );
366 steamworks_event_loop( hsteampipe
);
372 HSteamListenSocket listener
;
373 SteamNetworkingIPAddr localAddr
;
374 SteamAPI_SteamNetworkingIPAddr_Clear( &localAddr
);
375 localAddr
.m_port
= 27402;
377 listener
= SteamAPI_ISteamNetworkingSockets_CreateListenSocketIP(
378 hSteamNetworkingSockets
, &localAddr
, 0, NULL
);
379 client_pollgroup
= SteamAPI_ISteamNetworkingSockets_CreatePollGroup(
380 hSteamNetworkingSockets
);
383 HTTPRequestHandle test_req
= SteamAPI_ISteamHTTP_CreateHTTPRequest(
384 hSteamHTTP
, k_EHTTPMethodGET
,
385 "https://www.harrygodden.com/hello.txt" );
387 steam_async
*call1
= steam_new_async();
389 call1
->p_handler
= recieve_http
;
390 SteamAPI_ISteamHTTP_SendHTTPRequest( hSteamHTTP
, test_req
, &call1
->id
);
393 u64 server_ticks
= 8000,
394 last_record_save
= 8000,
395 last_scoreboard_gen
= 0;
401 steamworks_event_loop( hsteampipe
);
407 if(server_ticks
> last_scoreboard_gen
+ seconds_to_server_ticks(1.0*60.0))
409 last_scoreboard_gen
= server_ticks
;
413 if(server_ticks
> last_record_save
+ seconds_to_server_ticks( 10.0*60.0 ))
415 last_record_save
= server_ticks
;
416 highscores_serialize_all();
420 highscores_serialize_all();
423 SteamAPI_ISteamNetworkingSockets_DestroyPollGroup( hSteamNetworkingSockets
,
425 SteamAPI_ISteamNetworkingSockets_CloseListenSocket(
426 hSteamNetworkingSockets
, listener
);
428 vg_info( "Shutting down\n..." );
429 SteamGameServer_Shutdown();