Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 2001 Pekka Riikonen
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 object private hence this declaration. */
typedef struct SilcServerStruct *SilcServer;
-#define SILC_SERVER_MAX_CONNECTIONS 10000
+/* Forward declaration of backup server context */
+typedef struct SilcServerBackupStruct *SilcServerBackup;
+
+#define SILC_SERVER_MAX_CONNECTIONS 1000
/* General definitions */
+/* SILC port */
+#define SILC_PORT 768;
+
/* Server and router. Used internally by the code. */
#define SILC_SERVER 0
#define SILC_ROUTER 1
+#define SILC_BACKUP_ROUTER 2
/* Connection retry timeout. We implement exponential backoff algorithm
in connection retry. The interval of timeuot grows when retry count
*/
typedef struct {
- unsigned int retry_count;
- unsigned long retry_interval_min;
- unsigned long retry_interval_min_usec;
- unsigned long retry_interval_max;
- unsigned int retry_keep_trying;
-
- unsigned long protocol_timeout;
- unsigned long protocol_timeout_usec;
+ uint32 retry_count;
+ uint32 retry_interval_min;
+ uint32 retry_interval_min_usec;
+ uint32 retry_interval_max;
+ char retry_keep_trying;
+
+ uint32 protocol_timeout;
+ uint32 protocol_timeout_usec;
+
+ char require_reverse_mapping;
} *SilcServerParams;
+/* Callback function that is called after the key exchange and connection
+ authentication protocols has been completed with a remote router. The
+ `server_entry' is the remote router entry. */
+typedef void (*SilcServerConnectRouterCallback)(SilcServer server,
+ SilcServerEntry server_entry,
+ void *context);
+
+typedef struct {
+ SilcSocketConnection sock;
+
+ /* Remote host name and port */
+ char *remote_host;
+ int remote_port;
+ bool backup;
+ char *backup_replace_ip;
+ int backup_replace_port;
+
+ /* Current connection retry info */
+ uint32 retry_count;
+ uint32 retry_timeout;
+
+ /* Back pointer to server */
+ SilcServer server;
+
+ SilcServerConnectRouterCallback callback;
+ void *callback_context;
+} *SilcServerConnection;
+
/* Macros */
/* This macro is used to send notify messages with formatted string. The
string is formatted with arguments and the formatted string is sent as
argument. */
-#define SILC_SERVER_SEND_NOTIFY(server, sock, type, fmt) \
-do { \
- char *__fmt__ = silc_format fmt; \
- silc_server_send_notify(server, sock, type, 1, __fmt__, strlen(__fmt__)); \
- silc_free(__fmt__); \
+#define SILC_SERVER_SEND_NOTIFY(server, sock, type, fmt) \
+do { \
+ char *__fmt__ = silc_format fmt; \
+ silc_server_send_notify(server, sock, FALSE, \
+ type, 1, __fmt__, strlen(__fmt__)); \
+ silc_free(__fmt__); \
} while(0);
+/* Check whether rekey protocol is active */
+#define SILC_SERVER_IS_REKEY(sock) \
+ (sock->protocol && sock->protocol->protocol && \
+ sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_REKEY)
+
/* Prototypes */
int silc_server_alloc(SilcServer *new_server);
void silc_server_free(SilcServer server);
int silc_server_init(SilcServer server);
+void silc_server_daemonise(SilcServer server);
void silc_server_run(SilcServer server);
void silc_server_stop(SilcServer server);
+void silc_server_start_key_exchange(SilcServer server,
+ SilcServerConnection sconn,
+ int sock);
void silc_server_packet_parse(SilcPacketParserContext *parser_context);
void silc_server_packet_parse_type(SilcServer server,
SilcSocketConnection sock,
SilcPacketContext *packet);
+void silc_server_create_connection(SilcServer server,
+ char *remote_host, uint32 port);
void silc_server_close_connection(SilcServer server,
SilcSocketConnection sock);
+void silc_server_free_client_data(SilcServer server,
+ SilcSocketConnection sock,
+ SilcClientEntry client,
+ int notify,
+ char *signoff);
void silc_server_free_sock_user_data(SilcServer server,
SilcSocketConnection sock);
void silc_server_remove_from_channels(SilcServer server,
SilcSocketConnection sock,
- SilcClientEntry client);
+ SilcClientEntry client,
+ int notify,
+ char *signoff_message,
+ int keygen);
int silc_server_remove_from_one_channel(SilcServer server,
SilcSocketConnection sock,
SilcChannelEntry channel,
SilcClientEntry client,
int notify);
-int silc_server_client_on_channel(SilcClientEntry client,
- SilcChannelEntry channel);
void silc_server_disconnect_remote(SilcServer server,
SilcSocketConnection sock,
const char *fmt, ...);
SilcChannelEntry silc_server_create_new_channel(SilcServer server,
SilcServerID *router_id,
char *cipher,
- char *channel_name);
+ char *hmac,
+ char *channel_name,
+ int broadcast);
+SilcChannelEntry
+silc_server_create_new_channel_with_id(SilcServer server,
+ char *cipher,
+ char *hmac,
+ char *channel_name,
+ SilcChannelID *channel_id,
+ int broadcast);
+bool silc_server_create_channel_key(SilcServer server,
+ SilcChannelEntry channel,
+ uint32 key_len);
+SilcChannelEntry silc_server_save_channel_key(SilcServer server,
+ SilcBuffer key_payload,
+ SilcChannelEntry channel);
+void silc_server_perform_heartbeat(SilcSocketConnection sock,
+ void *hb_context);
+void silc_server_announce_get_channel_users(SilcServer server,
+ SilcChannelEntry channel,
+ SilcBuffer *channel_users,
+ SilcBuffer *channel_users_modes);
+void silc_server_announce_get_channels(SilcServer server,
+ SilcIDList id_list,
+ SilcBuffer *channels,
+ SilcBuffer *channel_users,
+ SilcBuffer **channel_users_modes,
+ uint32 *channel_users_modes_c,
+ SilcChannelID ***channel_ids,
+ unsigned long creation_time);
+void silc_server_announce_servers(SilcServer server, bool global,
+ unsigned long creation_time,
+ SilcSocketConnection remote);
+void silc_server_announce_clients(SilcServer server,
+ unsigned long creation_time,
+ SilcSocketConnection remote);
+void silc_server_announce_channels(SilcServer server,
+ unsigned long creation_time,
+ SilcSocketConnection remote);
+void silc_server_get_users_on_channel(SilcServer server,
+ SilcChannelEntry channel,
+ SilcBuffer *user_list,
+ SilcBuffer *mode_list,
+ uint32 *user_count);
+void silc_server_save_users_on_channel(SilcServer server,
+ SilcSocketConnection sock,
+ SilcChannelEntry channel,
+ SilcClientID *noadd,
+ SilcBuffer user_list,
+ SilcBuffer mode_list,
+ uint32 user_count);
+SilcSocketConnection silc_server_get_client_route(SilcServer server,
+ unsigned char *id_data,
+ uint32 id_len,
+ SilcClientID *client_id,
+ SilcIDListData *idata);
+SilcBuffer silc_server_get_client_channel_list(SilcServer server,
+ SilcClientEntry client);
+SilcClientEntry silc_server_get_client_resolve(SilcServer server,
+ SilcClientID *client_id);
#endif