X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Fsilcd%2Fserver_internal.h;h=e6b916ec7a1431dafc0ba2d1547488f9502cea92;hb=52e57c880aba9c5e89f59d962eb9af75670b76e0;hp=429988c4a001d667ac1e6778080954e4bed5e6cb;hpb=5721669f5328f5cd0089971497390c06b5122fcb;p=silc.git diff --git a/apps/silcd/server_internal.h b/apps/silcd/server_internal.h index 429988c4..e6b916ec 100644 --- a/apps/silcd/server_internal.h +++ b/apps/silcd/server_internal.h @@ -2,15 +2,14 @@ server_internal.h - Author: Pekka Riikonen + Author: Pekka Riikonen - Copyright (C) 1997 - 2000 Pekka Riikonen + 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; 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 @@ -23,123 +22,221 @@ /* Server statistics structure. This holds various statistics about various things. */ -/* XXX TODO */ 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; -typedef struct { - void *id_entry; - SilcSocketConnection sock; - - /* Remote host name and port */ - char *remote_host; - int remote_port; - - /* Current connection retry info */ - unsigned int retry_count; - unsigned int retry_timeout; - - /* Back pointer to server */ - SilcServer server; -} *SilcServerConnection; - -/* +/* SILC Server Object. */ struct SilcServerStruct { - char *server_name; - int server_type; - int sock; - int standalone; - int listenning; - SilcServerID *id; - SilcIdType id_type; - - /* Server's own ID entry. */ - SilcServerEntry id_entry; - - /* Back pointer to the primary router of this server. */ - SilcServerEntry router; - - /* SILC server task queues */ - SilcTaskQueue io_queue; - SilcTaskQueue timeout_queue; - SilcTaskQueue generic_queue; + 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; - - /* Table of connected sockets */ - SilcSocketConnection *sockets; - - /* Server keys */ - SilcCipher send_key; - SilcCipher receive_key; - SilcCipher none_cipher; - - /* Server public key */ - SilcPKCS pkcs; - SilcPublicKey public_key; - SilcPrivateKey private_key; + SilcHashTable watcher_list; + SilcHashTable watcher_list_pk; /* Hash objects for general hashing */ SilcHash md5hash; SilcHash sha1hash; - /* HMAC objects for MAC's. */ - SilcHmac md5hmac; - SilcHmac sha1hmac; - /* Configuration object */ - SilcConfigServer config; + SilcServerConfig config; + SilcServerConfigRef config_ref; + char *config_file; /* Random pool */ SilcRng rng; /* Server statistics */ - SilcServerStatistics stats; + SilcServerStatistics stat; /* Pending command queue */ SilcDList pending_commands; - /* Default parameteres for server */ - SilcServerParams params; - -#ifdef SILC_SIM - /* SIM (SILC Module) list */ - SilcDList sim; -#endif + 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 + 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 { \ - SilcTask tmptask = silc_task_register(server->generic_queue, (fd), \ - silc_server_packet_process, \ - context, 0, 0, \ - SILC_TASK_GENERIC, \ - SILC_TASK_PRI_NORMAL); \ - silc_task_set_iotype(tmptask, SILC_TASK_WRITE); \ +#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(fd) \ +#define SILC_SET_CONNECTION_FOR_INPUT(s, fd) \ do { \ - silc_schedule_set_listen_fd((fd), (1L << SILC_TASK_READ)); \ + silc_schedule_set_listen_fd((s), (fd), SILC_TASK_READ, FALSE); \ } while(0) - -#define SILC_SET_CONNECTION_FOR_OUTPUT(fd) \ -do { \ - silc_schedule_set_listen_fd((fd), ((1L << SILC_TASK_READ) | \ - (1L << SILC_TASK_WRITE))); \ + +#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