X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Fsilcd%2Fserver.h;h=84ed585b79565f047e7d440c369cb709361d071e;hb=52e57c880aba9c5e89f59d962eb9af75670b76e0;hp=613d64eab3c574dd3dd5bda925347ac519c2af46;hpb=2293a8fbbf37c116fc38dbcd9012cf176d25f60a;p=silc.git diff --git a/apps/silcd/server.h b/apps/silcd/server.h index 613d64ea..84ed585b 100644 --- a/apps/silcd/server.h +++ b/apps/silcd/server.h @@ -2,15 +2,14 @@ server.h - Author: Pekka Riikonen + Author: Pekka Riikonen - Copyright (C) 1997 - 2001 Pekka Riikonen + Copyright (C) 1997 - 2005, 2007 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. - + the Free Software Foundation; version 2 of the License. + 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 +20,83 @@ #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 declarations */ +typedef struct SilcServerEntryStruct *SilcServerEntry; +typedef struct SilcClientEntryStruct *SilcClientEntry; +typedef struct SilcChannelEntryStruct *SilcChannelEntry; +typedef struct SilcServerBackupStruct *SilcServerBackup; +typedef struct SilcIDListDataObject *SilcIDListData, SilcIDListDataStruct; +typedef struct SilcIDListStruct *SilcIDList; + +/* 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 (*SilcServerConnectCallback)(SilcServer server, + SilcServerEntry server_entry, + void *context); + +/* Connection structure used when connection to remote */ +typedef struct SilcServerConnectionStruct { + SilcServer server; + SilcStream stream; + SilcPacketStream sock; + SilcAsyncOperation op; + SilcServerConfigRef conn; + + char *remote_host; + int remote_port; -#define SILC_SERVER_MAX_CONNECTIONS 10000 + char *backup_replace_ip; + int backup_replace_port; + + /* Current connection retry info */ + SilcUInt32 retry_count; + SilcUInt32 retry_timeout; + SilcServerConnectCallback callback; + void *callback_context; + int rekey_timeout; + + unsigned int backup : 1; /* Set when backup router connection */ + unsigned int backup_resuming : 1; /* Set when running resuming protocol */ + unsigned int no_reconnect : 1; /* Set when to not reconnect */ + unsigned int no_conf : 1; /* Set when connecting without pre- + configuration. */ +} *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 { - 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; +#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 */ +#define SILC_SERVER_CH_JOIN_LIMIT 50 /* Default join limit */ /* Macros */ @@ -77,107 +109,149 @@ 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) +/* 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); +SilcBool silc_server_alloc(SilcServer *new_server); void silc_server_free(SilcServer server); -int silc_server_init(SilcServer server); -void silc_server_daemonise(SilcServer server); +SilcBool silc_server_init(SilcServer server); +SilcBool 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, - SilcSocketConnection sock, - SilcPacketContext *packet); +void silc_server_start_key_exchange(SilcServerConnection sconn); void silc_server_create_connection(SilcServer server, - char *remote_host, uint32 port); + SilcBool reconnect, + SilcBool dynamic, + const char *remote_host, SilcUInt32 port, + SilcServerConnectCallback callback, + void *context); void silc_server_close_connection(SilcServer server, - SilcSocketConnection sock); -void silc_server_free_client_data(SilcServer server, - SilcSocketConnection sock, - SilcClientEntry client, + SilcPacketStream sock); +void silc_server_free_client_data(SilcServer server, + SilcPacketStream sock, + 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, - SilcSocketConnection sock, + const char *signoff); +void silc_server_free_sock_user_data(SilcServer server, + SilcPacketStream sock, + const char *signoff_message); +void silc_server_remove_from_channels(SilcServer server, + SilcPacketStream 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); + SilcBool notify, + const char *signoff_message, + SilcBool keygen, bool killed); +SilcBool silc_server_remove_from_one_channel(SilcServer server, + SilcPacketStream sock, + SilcChannelEntry channel, + SilcClientEntry client, + SilcBool notify); void silc_server_disconnect_remote(SilcServer server, - SilcSocketConnection sock, - const char *fmt, ...); -SilcChannelEntry silc_server_create_new_channel(SilcServer server, + SilcPacketStream sock, + 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, +SilcBool silc_server_create_channel_key(SilcServer server, SilcChannelEntry channel, - uint32 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 silc_server_perform_heartbeat(SilcPacketStream 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, + SilcBuffer **channel_invites, + SilcBuffer **channel_bans, + SilcChannelID ***channel_ids, + unsigned long creation_time); +void silc_server_announce_servers(SilcServer server, SilcBool global, + unsigned long creation_time, + SilcPacketStream remote); +void silc_server_announce_clients(SilcServer server, + unsigned long creation_time, + SilcPacketStream remote); +void silc_server_announce_channels(SilcServer server, + unsigned long creation_time, + SilcPacketStream remote); +void silc_server_announce_watches(SilcServer server, + SilcPacketStream remote); +SilcBool silc_server_get_users_on_channel(SilcServer server, SilcChannelEntry channel, SilcBuffer *user_list, SilcBuffer *mode_list, - uint32 *user_count); + SilcUInt32 *user_count); void silc_server_save_users_on_channel(SilcServer server, - SilcSocketConnection sock, + SilcPacketStream 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); + SilcUInt32 user_count); +void silc_server_save_user_channels(SilcServer server, + SilcPacketStream sock, + SilcClientEntry client, + SilcBuffer channels, + SilcBuffer channels_user_modes); +SilcPacketStream +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, + SilcBool get_private, + SilcBool get_secret, + SilcBuffer *user_mode_list); +void silc_server_stderr(SilcLogType type, char *message); +void silc_server_http_init(SilcServer server); +void silc_server_http_uninit(SilcServer server); #endif