+++ /dev/null
-/*
-
- server_internal.h
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 1997 - 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; 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
- GNU General Public License for more details.
-
-*/
-
-#ifndef SERVER_INTERNAL_H
-#define SERVER_INTERNAL_H
-
-/* Server statistics structure. This holds various statistics about
- various things. */
-typedef struct {
- /* Local stats (server and router) */
- SilcUInt32 my_clients; /* Locally connected clients */
- SilcUInt32 my_servers; /* Locally connected servers */
- SilcUInt32 my_routers; /* Locally connected routers */
- SilcUInt32 my_channels; /* Locally created channels */
- SilcUInt32 my_chanclients; /* Local clients on local channels */
- SilcUInt32 my_aways; /* Local clients away (gone) */
- SilcUInt32 my_detached; /* Local clients detached */
- SilcUInt32 my_server_ops; /* Local server operators */
- SilcUInt32 my_router_ops; /* Local router operators */
-
- /* Global stats (mainly for router) */
- SilcUInt32 cell_clients; /* All clients in cell */
- SilcUInt32 cell_servers; /* All servers in cell */
- SilcUInt32 cell_channels; /* All channels in cell */
- SilcUInt32 cell_chanclients; /* All clients on cell's channels */
- SilcUInt32 clients; /* All clients */
- SilcUInt32 servers; /* All servers */
- SilcUInt32 routers; /* All routers */
- SilcUInt32 channels; /* All channels */
- SilcUInt32 chanclients; /* All clients on channels */
- SilcUInt32 aways; /* All clients away (gone) */
- SilcUInt32 detached; /* All clients detached */
- SilcUInt32 server_ops; /* All server operators */
- SilcUInt32 router_ops; /* All router operators */
- /* More to add
- SilcUInt32 secret_channels;
- SilcUInt32 private_channels;
- */
-
- /* General */
- SilcUInt32 conn_attempts; /* Connection attempts */
- SilcUInt32 conn_failures; /* Connection failure */
- SilcUInt32 auth_attempts; /* Authentication attempts */
- SilcUInt32 auth_failures; /* Authentication failures */
- SilcUInt32 packets_sent; /* Sent SILC packets */
- SilcUInt32 packets_received; /* Received SILC packets */
- SilcUInt32 conn_num; /* Number of connections */
- SilcUInt32 commands_sent; /* Commands/replies sent */
- SilcUInt32 commands_received; /* Commands/replies received */
-} SilcServerStatistics;
-
-/*
- SILC Server Object.
-
-*/
-struct SilcServerStruct {
- SilcSchedule schedule; /* Server scheduler */
- SilcDList listeners; /* TCP listeners */
- SilcPacketEngine packet_engine; /* Packet engine */
- SilcDList conns; /* Connections in server */
- SilcSKR repository; /* Public key repository */
- SilcPublicKey public_key; /* Server public key */
- SilcPrivateKey private_key; /* Server private key */
- SilcDList expired_clients; /* Expired client entries */
- SilcHttpServer httpd; /* HTTP server */
-
- char *server_name; /* Server's name */
- SilcServerEntry id_entry; /* Server's local entry */
- SilcServerID *id; /* Server's ID */
- unsigned char id_string[32]; /* Server's ID as string */
- SilcUInt32 id_string_len;
- SilcUInt32 starttime; /* Server start time */
-
- SilcServerEntry router; /* Pointer to the primary router */
- unsigned long router_connect; /* Time when router was connected */
- SilcServerConnection router_conn; /* non-NULL when connecting to the
- primary router, and NULL otherwise. */
- SilcServerBackup backup; /* Backup routers */
-
- /* Current command identifier, 0 not used */
- SilcUInt16 cmd_ident;
-
- /* ID lists. */
- SilcIDList local_list;
- SilcIDList global_list;
- SilcHashTable watcher_list;
- SilcHashTable watcher_list_pk;
-
- /* Hash objects for general hashing */
- SilcHash md5hash;
- SilcHash sha1hash;
-
- /* Configuration object */
- SilcServerConfig config;
- SilcServerConfigRef config_ref;
- char *config_file;
-
- /* Random pool */
- SilcRng rng;
-
- /* Server statistics */
- SilcServerStatistics stat;
-
- /* Pending command queue */
- SilcDList pending_commands;
-
- unsigned int server_type : 2; /* Server type (server.h) */
- unsigned int standalone : 1; /* Set if server is standalone, and
- does not have connection to network. */
- unsigned int listenning : 1; /* Set if server is listenning for
- incoming connections. */
- unsigned int background : 1; /* Set when server is on background */
- unsigned int backup_router : 1; /* Set if this is backup router */
- unsigned int backup_primary : 1; /* Set if we've switched our primary
- router to a backup router. */
- unsigned int backup_noswitch: 1; /* Set if we've won't switch to
- become primary (we are backup) */
- unsigned int backup_closed : 1; /* Set if backup closed connection.
- Do not allow resuming in this case. */
- unsigned int wait_backup : 1; /* Set if we are waiting for backup
- router to connect to us. */
- unsigned int server_shutdown: 1; /* Set when shutting down */
- unsigned int no_reconnect : 1; /* If set, server won't reconnect to
- router after disconnection. */
- unsigned int no_conf : 1; /* Set when connecting without
- configuration. */
-};
-
-/* Failure context. This is allocated when failure packet is received.
- Failure packets are processed with timeout and data is saved in this
- structure. */
-typedef struct {
- SilcPacketStream sock;
- SilcUInt32 failure;
-} *SilcServerFailureContext;
-
-/* Rekey must be performed at the lastest when this many packets is sent */
-#define SILC_SERVER_REKEY_THRESHOLD 0xfffffe00
-
-/* Macros */
-
-/* Return pointer to the primary router connection */
-#define SILC_PRIMARY_ROUTE(server) \
- (!server->standalone && server->router ? server->router->connection : NULL)
-
-/* Return TRUE if a packet must be broadcasted (router broadcasts) */
-#define SILC_BROADCAST(server) (server->server_type == SILC_ROUTER)
-
-/* Return TRUE if entry is locally connected or local to us */
-#define SILC_IS_LOCAL(entry) \
- (((SilcIDListData)entry)->status & SILC_IDLIST_STATUS_LOCAL)
-
-/* Registers generic task for file descriptor for reading from network and
- writing to network. As being generic task the actual task is allocated
- only once and after that the same task applies to all registered fd's. */
-#define SILC_REGISTER_CONNECTION_FOR_IO(fd) \
-do { \
- silc_schedule_task_add(server->schedule, (fd), \
- silc_server_packet_process, \
- context, 0, 0, \
- SILC_TASK_GENERIC, \
- SILC_TASK_PRI_NORMAL); \
-} while(0)
-
-#define SILC_SET_CONNECTION_FOR_INPUT(s, fd) \
-do { \
- silc_schedule_set_listen_fd((s), (fd), SILC_TASK_READ, FALSE); \
-} while(0)
-
-#define SILC_SET_CONNECTION_FOR_OUTPUT(s, fd) \
-do { \
- silc_schedule_set_listen_fd((s), (fd), (SILC_TASK_READ | SILC_TASK_WRITE), \
- FALSE); \
-} while(0)
-
-#define SILC_OPER_STATS_UPDATE(c, type, mod) \
-do { \
- if ((c)->mode & (mod)) { \
- if (SILC_IS_LOCAL((c))) \
- server->stat.my_ ## type ## _ops--; \
- if (server->server_type == SILC_ROUTER) \
- server->stat. type ## _ops--; \
- (c)->mode &= ~(mod); \
- } \
-} while(0)
-
-#define SILC_UMODE_STATS_UPDATE(oper, mod) \
-do { \
- if (client->mode & (mod)) { \
- if (!(mode & (mod))) { \
- if (SILC_IS_LOCAL(client)) \
- server->stat.my_ ## oper ## _ops--; \
- if (server->server_type == SILC_ROUTER) \
- server->stat. oper ## _ops--; \
- } \
- } else { \
- if (mode & (mod)) { \
- if (SILC_IS_LOCAL(client)) \
- server->stat.my_ ## oper ## _ops++; \
- if (server->server_type == SILC_ROUTER) \
- server->stat. oper ## _ops++; \
- } \
- } \
-} while(0)
-
-#define SILC_GET_SKE_FLAGS(x, p) \
- if ((x)) { \
- if ((x)->param && (x)->param->key_exchange_pfs) \
- (p) |= SILC_SKE_SP_FLAG_PFS; \
- if (!(x)->publickeys) \
- (p) |= SILC_SKE_SP_FLAG_MUTUAL; \
- }
-
-#define SILC_CONNTYPE_STRING(ctype) \
- (ctype == SILC_CONN_CLIENT ? "Client" : \
- ctype == SILC_CONN_SERVER ? "Server" : \
- ctype == SILC_CONN_ROUTER ? "Router" : "Unknown")
-
-/* Prototypes */
-SILC_TASK_CALLBACK(silc_server_rekey_final);
-SILC_TASK_CALLBACK(silc_server_rekey_callback);
-SILC_TASK_CALLBACK(silc_server_connect_to_router);
-void silc_server_watcher_list_destroy(void *key, void *context,
- void *user_context);
-
-#endif
projects / runtime.git / blobdiff