X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=apps%2Fsilcd%2Fserver.h;h=1204b2449f59feb6bf3406b17db736bb5130ff97;hp=e0d277ba360f97f872d70c9ca9e5ba2d8be19a42;hb=382d15d447b7a95390decfa783836ae4fe255b3d;hpb=622dbba14878964ca76301bdf9c8f59f3312fbc7 diff --git a/apps/silcd/server.h b/apps/silcd/server.h index e0d277ba..1204b244 100644 --- a/apps/silcd/server.h +++ b/apps/silcd/server.h @@ -2,15 +2,15 @@ server.h - Author: Pekka Riikonen + Author: Pekka Riikonen - Copyright (C) 1997 - 2001 Pekka Riikonen + Copyright (C) 1997 - 2002 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 Free Software Foundation; either version 2 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 @@ -21,50 +21,72 @@ #ifndef SERVER_H #define SERVER_H -/* Forward declaration for SILC Server object. The actual object is - defined in internal header file for server routines. I want to keep - the object private hence this declaration. */ -typedef struct SilcServerStruct *SilcServer; +/* Forward declaration of backup server context */ +typedef struct SilcServerBackupStruct *SilcServerBackup; + +/* 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 or NULL on error. */ +typedef void (*SilcServerConnectRouterCallback)(SilcServer server, + SilcServerEntry server_entry, + void *context); + +/* Connection structure used when connection to remote */ +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; + bool no_reconnect; + + /* Connection configuration (maybe NULL) */ + SilcServerConfigRef conn; -#define SILC_SERVER_MAX_CONNECTIONS 10000 + /* Current connection retry info */ + SilcUInt32 retry_count; + SilcUInt32 retry_timeout; + + SilcServerConnectRouterCallback callback; + void *callback_context; +} *SilcServerConnection; /* General definitions */ /* SILC port */ -#define SILC_PORT 768; +#define SILC_PORT 706 /* Server and router. Used internally by the code. */ #define SILC_SERVER 0 #define SILC_ROUTER 1 +#define SILC_BACKUP_ROUTER 2 + +/* Default parameter values */ /* Connection retry timeout. We implement exponential backoff algorithm - in connection retry. The interval of timeuot grows when retry count + in connection retry. The interval of timeout grows when retry count grows. */ -#define SILC_SERVER_RETRY_COUNT 4 /* Max retry count */ -#define SILC_SERVER_RETRY_MULTIPLIER 7 / 4 /* Interval growth */ +#define SILC_SERVER_RETRY_COUNT 7 /* Max retry count */ +#define SILC_SERVER_RETRY_MULTIPLIER 2 /* Interval growth */ #define SILC_SERVER_RETRY_RANDOMIZER 2 /* timeout += rnd % 2 */ #define SILC_SERVER_RETRY_INTERVAL_MIN 10 /* Min retry timeout */ #define SILC_SERVER_RETRY_INTERVAL_MAX 600 /* Max generated timeout */ -/* - Silc Server Params. - - Structure to hold various default parameters for server that can be - given before running the server. - -*/ -typedef struct { - unsigned int retry_count; - unsigned long retry_interval_min; - unsigned long retry_interval_min_usec; - unsigned long retry_interval_max; - char retry_keep_trying; - - unsigned long protocol_timeout; - unsigned long protocol_timeout_usec; - - char require_reverse_mapping; -} *SilcServerParams; +#define SILC_SERVER_KEEPALIVE 300 /* Heartbeat interval */ +#define SILC_SERVER_CHANNEL_REKEY 3600 /* Channel rekey interval */ +#define SILC_SERVER_REKEY 3600 /* Session rekey interval */ +#define SILC_SERVER_SKE_TIMEOUT 60 /* SKE timeout */ +#define SILC_SERVER_CONNAUTH_TIMEOUT 60 /* CONN_AUTH timeout */ +#define SILC_SERVER_MAX_CONNECTIONS 1000 /* Max connections */ +#define SILC_SERVER_MAX_CONNECTIONS_SINGLE 1000 /* Max connections per host */ +#define SILC_SERVER_LOG_FLUSH_DELAY 300 /* Default log flush delay */ +#define SILC_SERVER_QOS_RATE_LIMIT 10 /* Default QoS rate limit */ +#define SILC_SERVER_QOS_BYTES_LIMIT 2048 /* Default QoS bytes limit */ +#define SILC_SERVER_QOS_LIMIT_SEC 0 /* Default QoS limit sec */ +#define SILC_SERVER_QOS_LIMIT_USEC 500000 /* Default QoS limit usec */ /* Macros */ @@ -77,102 +99,156 @@ do { \ silc_server_send_notify(server, sock, FALSE, \ type, 1, __fmt__, strlen(__fmt__)); \ silc_free(__fmt__); \ -} while(0); +} while(0) + +/* Send notify to operators */ +#define SILC_SERVER_SEND_OPERS(server, route, local, type, fmt) \ +do { \ + char *__fmt__ = silc_format fmt; \ + silc_server_send_opers_notify(server, route, local, \ + 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) + +/* Check whether backup resuming protocol is active */ +#define SILC_SERVER_IS_BACKUP(sock) \ + (sock->protocol && sock->protocol->protocol && \ + sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_BACKUP) + +/* Output a message to stderr or to the appropriate log facility wether + we are in the background or not. */ +#define SILC_SERVER_LOG_INFO(fmt) \ + silc_server_stderr(SILC_LOG_INFO, silc_format fmt) +#define SILC_SERVER_LOG_WARNING(fmt) \ + silc_server_stderr(SILC_LOG_WARNING, silc_format fmt) +#define SILC_SERVER_LOG_ERROR(fmt) \ + silc_server_stderr(SILC_LOG_ERROR, silc_format fmt) +#define SILC_SERVER_LOG_FATAL(fmt) \ + silc_server_stderr(SILC_LOG_WARNING, silc_format fmt) /* 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); +bool silc_server_init(SilcServer server); +bool silc_server_rehash(SilcServer server); void silc_server_run(SilcServer server); void silc_server_stop(SilcServer server); -void silc_server_packet_parse(SilcPacketParserContext *parser_context); -void silc_server_packet_parse_type(SilcServer server, +void silc_server_start_key_exchange(SilcServer server, + SilcServerConnection sconn, + int sock); +bool silc_server_packet_parse(SilcPacketParserContext *parser_context, + void *context); +void silc_server_packet_parse_type(SilcServer server, SilcSocketConnection sock, SilcPacketContext *packet); void silc_server_create_connection(SilcServer server, - char *remote_host, unsigned int port); + const char *remote_host, SilcUInt32 port); void silc_server_close_connection(SilcServer server, SilcSocketConnection sock); -void silc_server_free_client_data(SilcServer server, +void silc_server_free_client_data(SilcServer server, SilcSocketConnection sock, - SilcClientEntry client, + SilcClientEntry client, int notify, - char *signoff); -void silc_server_free_sock_user_data(SilcServer server, - SilcSocketConnection sock); -int silc_server_channel_has_global(SilcChannelEntry channel); -int silc_server_channel_has_local(SilcChannelEntry channel); -int silc_server_remove_clients_by_server(SilcServer server, - SilcServerEntry entry, - int server_signoff); -void silc_server_remove_from_channels(SilcServer server, + const char *signoff); +void silc_server_free_sock_user_data(SilcServer server, + SilcSocketConnection sock, + const char *signoff_message); +void silc_server_remove_from_channels(SilcServer server, SilcSocketConnection sock, 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); + bool notify, + const char *signoff_message, + bool keygen, bool killed); +bool silc_server_remove_from_one_channel(SilcServer server, + SilcSocketConnection sock, + SilcChannelEntry channel, + SilcClientEntry client, + bool notify); void silc_server_disconnect_remote(SilcServer server, SilcSocketConnection sock, - const char *fmt, ...); -SilcChannelEntry silc_server_create_new_channel(SilcServer server, + SilcStatus status, ...); +SilcChannelEntry silc_server_create_new_channel(SilcServer server, SilcServerID *router_id, - char *cipher, + char *cipher, char *hmac, char *channel_name, int broadcast); -SilcChannelEntry -silc_server_create_new_channel_with_id(SilcServer server, - char *cipher, +SilcChannelEntry +silc_server_create_new_channel_with_id(SilcServer server, + char *cipher, char *hmac, char *channel_name, SilcChannelID *channel_id, int broadcast); -void silc_server_create_channel_key(SilcServer server, +bool silc_server_create_channel_key(SilcServer server, SilcChannelEntry channel, - unsigned int key_len); + SilcUInt32 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_topic(SilcServer server, + SilcChannelEntry channel, + SilcBuffer *topic); void silc_server_announce_get_channel_users(SilcServer server, SilcChannelEntry channel, - SilcBuffer *channel_users); + SilcBuffer *channel_modes, + SilcBuffer *channel_users, + SilcBuffer *channel_users_modes); void silc_server_announce_get_channels(SilcServer server, SilcIDList id_list, SilcBuffer *channels, - SilcBuffer *channel_users); -void silc_server_announce_servers(SilcServer server); -void silc_server_announce_clients(SilcServer server); -void silc_server_announce_channels(SilcServer server); -void silc_server_get_users_on_channel(SilcServer server, + SilcBuffer **channel_modes, + SilcBuffer *channel_users, + SilcBuffer **channel_users_modes, + SilcUInt32 *channel_users_modes_c, + SilcBuffer **channel_topics, + 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); +bool silc_server_get_users_on_channel(SilcServer server, SilcChannelEntry channel, SilcBuffer *user_list, SilcBuffer *mode_list, - unsigned int *user_count); + SilcUInt32 *user_count); void silc_server_save_users_on_channel(SilcServer server, SilcSocketConnection sock, SilcChannelEntry channel, SilcClientID *noadd, SilcBuffer user_list, SilcBuffer mode_list, - unsigned int user_count); -SilcSocketConnection silc_server_get_client_route(SilcServer server, - unsigned char *id_data, - unsigned int id_len, - SilcClientID *client_id, - SilcIDListData *idata); + SilcUInt32 user_count); +void silc_server_save_user_channels(SilcServer server, + SilcSocketConnection sock, + SilcClientEntry client, + SilcBuffer channels, + SilcBuffer channels_user_modes); +SilcSocketConnection +silc_server_get_client_route(SilcServer server, + unsigned char *id_data, + SilcUInt32 id_len, + SilcClientID *client_id, + SilcIDListData *idata, + SilcClientEntry *client_entry); SilcBuffer silc_server_get_client_channel_list(SilcServer server, - SilcClientEntry client); -SilcClientEntry silc_server_get_client_resolve(SilcServer server, - SilcClientID *client_id); + SilcClientEntry client, + bool get_private, + bool get_secret, + SilcBuffer *user_mode_list); +void silc_server_stderr(SilcLogType type, char *message); #endif