serverconfig.h
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Johnny Mnemonic <johnny@themnemonic.org>
- Copyright (C) 1997 - 2000 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
#ifndef SERVERCONFIG_H
#define SERVERCONFIG_H
-/* Holds information of configured algorithms */
-typedef struct SilcServerConfigSectionAlgStruct {
- char *alg_name;
- char *sim_name;
- unsigned int block_len;
- unsigned int key_len;
- struct SilcServerConfigSectionAlgStruct *next;
- struct SilcServerConfigSectionAlgStruct *prev;
-#define SILC_CONFIG_SERVER_MODNAME "builtin"
-} SilcServerConfigSectionAlg;
-
-/* Holds server information from config file */
-typedef struct {
- char *server_name;
+typedef struct SilcServerConfigCipherStruct {
+ char *name;
+ char *module;
+ SilcUInt32 key_length;
+ SilcUInt32 block_length;
+ struct SilcServerConfigCipherStruct *next;
+} SilcServerConfigCipher;
+
+typedef struct SilcServerConfigHashStruct {
+ char *name;
+ char *module;
+ SilcUInt32 block_length;
+ SilcUInt32 digest_length;
+ struct SilcServerConfigHashStruct *next;
+} SilcServerConfigHash;
+
+typedef struct SilcServerConfigHmacStruct {
+ char *name;
+ char *hash;
+ SilcUInt32 mac_length;
+ struct SilcServerConfigHmacStruct *next;
+} SilcServerConfigHmac;
+
+typedef struct SilcServerConfigPkcsStruct {
+ char *name;
+ struct SilcServerConfigPkcsStruct *next;
+} SilcServerConfigPkcs;
+
+typedef struct SilcServerConfigServerInfoInterfaceStruct {
char *server_ip;
- char *location;
- unsigned short port;
-} SilcServerConfigSectionServerInfo;
+ SilcUInt16 port;
+ struct SilcServerConfigServerInfoInterfaceStruct *next;
+} SilcServerConfigServerInfoInterface;
-/* Holds server's administrative information from config file */
-typedef struct {
- char *location;
- char *server_type;
- char *admin_name;
- char *admin_email;
-} SilcServerConfigSectionAdminInfo;
-
-/* Holds all the ports the server is listenning on */
-typedef struct SilcServerConfigSectionListenPortStruct {
- char *host;
- char *remote_ip;
- unsigned short port;
- struct SilcServerConfigSectionListenPortStruct *next;
- struct SilcServerConfigSectionListenPortStruct *prev;
-} SilcServerConfigSectionListenPort;
-
-/* Holds server's execution identity, or the user and group which
- to change from root when server starts */
-typedef struct {
- char *user;
- char *group;
-} SilcServerConfigSectionIdentity;
-
-/* Holds all the configured log files. */
-typedef struct SilcServerConfigSectionLoggingStruct {
- char *logtype;
- char *filename;
- unsigned int maxsize;
- struct SilcServerConfigSectionLoggingStruct *next;
- struct SilcServerConfigSectionLoggingStruct *prev;
-
-/* Allowed <Logging> section types */
-#define SILC_CONFIG_SERVER_LF_INFO "infologfile"
-#define SILC_CONFIG_SERVER_LF_WARNING "warninglogfile"
-#define SILC_CONFIG_SERVER_LF_ERROR "errorlogfile"
-#define SILC_CONFIG_SERVER_LF_FATAL "fatalogfile"
-} SilcServerConfigSectionLogging;
-
-/* Holds all configured connection classes */
-typedef struct SilcServerConfigSectionConnectionClassStruct {
- unsigned int class;
- unsigned int ping_freq;
- unsigned int connect_freq;
- unsigned int max_links;
- struct SilcServerConfigSectionConnectionClassStruct *next;
- struct SilcServerConfigSectionConnectionClassStruct *prev;
-} SilcServerConfigSectionConnectionClass;
-
-#define SILC_CONFIG_SERVER_AUTH_METH_PASSWD "passwd"
-#define SILC_CONFIG_SERVER_AUTH_METH_PUBKEY "pubkey"
+typedef struct SilcServerConfigServerInfoStruct {
+ char *server_name;
+ SilcServerConfigServerInfoInterface *primary;
+ SilcServerConfigServerInfoInterface *secondary;
+ char *server_type; /* E.g. "Test Server" */
+ char *location; /* geographic location */
+ char *admin; /* admin full name */
+ char *email; /* admin's email address */
+ char *user; /* userid the server should be runned at */
+ char *group; /* ditto, but about groupid */
+ SilcPublicKey public_key;
+ SilcPrivateKey private_key;
+ char *motd_file; /* path to text motd file (reading only) */
+ char *pid_file; /* path to the pid file (for reading and writing) */
+} SilcServerConfigServerInfo;
+
+typedef struct SilcServerConfigLoggingStruct {
+ char *file;
+ SilcUInt32 maxsize;
+} SilcServerConfigLogging;
+
+/* Connection parameters */
+typedef struct SilcServerConfigConnParams {
+ char *name;
+ char *version_protocol;
+ char *version_software;
+ char *version_software_vendor;
+ SilcUInt32 connections_max;
+ SilcUInt32 connections_max_per_host;
+ SilcUInt32 keepalive_secs;
+ SilcUInt32 reconnect_count;
+ SilcUInt32 reconnect_interval;
+ SilcUInt32 reconnect_interval_max;
+ SilcUInt32 key_exchange_rekey;
+ bool key_exchange_pfs;
+ bool reconnect_keep_trying;
+ bool anonymous;
+ struct SilcServerConfigConnParams *next;
+} SilcServerConfigConnParams;
/* Holds all client authentication data from config file */
-typedef struct SilcServerConfigSectionClientConnectionStruct {
- char *host;
- int auth_meth;
- char *auth_data;
- unsigned short port;
- unsigned int class;
- struct SilcServerConfigSectionClientConnectionStruct *next;
- struct SilcServerConfigSectionClientConnectionStruct *prev;
-} SilcServerConfigSectionClientConnection;
-
-/* Hols all server's administrators authentication data from config file */
-typedef struct SilcServerConfigSectionAdminConnectionStruct {
+typedef struct SilcServerConfigClientStruct {
char *host;
- char *username;
- char *nickname;
- int auth_meth;
- char *auth_data;
- struct SilcServerConfigSectionAdminConnectionStruct *next;
- struct SilcServerConfigSectionAdminConnectionStruct *prev;
-} SilcServerConfigSectionAdminConnection;
-
-/* Holds all configured server/router connections from config file */
-typedef struct SilcServerConfigSectionServerConnectionStruct {
+ unsigned char *passphrase;
+ SilcUInt32 passphrase_len;
+ SilcHashTable publickeys;
+ SilcServerConfigConnParams *param;
+ struct SilcServerConfigClientStruct *next;
+} SilcServerConfigClient;
+
+/* Holds all server's administrators authentication data from config file */
+typedef struct SilcServerConfigAdminStruct {
char *host;
- int auth_meth;
- char *auth_data;
- unsigned short port;
- char *version;
- unsigned int class;
- int initiator;
- struct SilcServerConfigSectionServerConnectionStruct *next;
- struct SilcServerConfigSectionServerConnectionStruct *prev;
-} SilcServerConfigSectionServerConnection;
+ char *user;
+ char *nick;
+ unsigned char *passphrase;
+ SilcUInt32 passphrase_len;
+ SilcHashTable publickeys;
+ struct SilcServerConfigAdminStruct *next;
+} SilcServerConfigAdmin;
/* Holds all configured denied connections from config file */
-typedef struct {
+typedef struct SilcServerConfigDenyStruct {
char *host;
- char *time;
- char *comment;
- unsigned short port;
-} SilcServerConfigSectionDenyConnection;
+ char *reason;
+ struct SilcServerConfigDenyStruct *next;
+} SilcServerConfigDeny;
-/* Holds all client redirections from config file */
-typedef struct {
+/* Holds all configured server connections from config file */
+typedef struct SilcServerConfigServerStruct {
char *host;
- unsigned short port;
-} SilcServerConfigSectionRedirectClient;
-
-/* Holds motd file */
+ unsigned char *passphrase;
+ SilcUInt32 passphrase_len;
+ SilcHashTable publickeys;
+ SilcServerConfigConnParams *param;
+ bool backup_router;
+ struct SilcServerConfigServerStruct *next;
+} SilcServerConfigServer;
+
+/* Holds all configured router connections from config file */
+typedef struct SilcServerConfigRouterStruct {
+ char *host;
+ unsigned char *passphrase;
+ SilcUInt32 passphrase_len;
+ SilcHashTable publickeys;
+ SilcUInt16 port;
+ SilcServerConfigConnParams *param;
+ bool initiator;
+ bool backup_router;
+ char *backup_replace_ip;
+ SilcUInt16 backup_replace_port;
+ bool backup_local;
+ struct SilcServerConfigRouterStruct *next;
+} SilcServerConfigRouter;
+
+/* define the SilcServerConfig object */
typedef struct {
- char *motd_file;
-} SilcServerConfigSectionMotd;
-
-/*
- SILC Server Config object.
+ void *tmp;
+
+ /* Reference count (when this reaches zero, config object is destroyed) */
+ SilcInt32 refcount;
+
+ /* The General section */
+ char *module_path;
+ bool prefer_passphrase_auth;
+ bool require_reverse_lookup;
+ SilcUInt32 channel_rekey_secs;
+ SilcUInt32 key_exchange_timeout;
+ SilcUInt32 conn_auth_timeout;
+ SilcServerConfigConnParams param;
+ bool detach_disabled;
+ SilcUInt32 detach_timeout;
+ bool logging_timestamp;
+ bool logging_quick;
+ long logging_flushdelay;
+
+ /* Other configuration sections */
+ SilcServerConfigCipher *cipher;
+ SilcServerConfigHash *hash;
+ SilcServerConfigHmac *hmac;
+ SilcServerConfigPkcs *pkcs;
+ SilcServerConfigLogging *logging_info;
+ SilcServerConfigLogging *logging_warnings;
+ SilcServerConfigLogging *logging_errors;
+ SilcServerConfigLogging *logging_fatals;
+ SilcServerConfigServerInfo *server_info;
+ SilcServerConfigConnParams *conn_params;
+ SilcServerConfigClient *clients;
+ SilcServerConfigAdmin *admins;
+ SilcServerConfigDeny *denied;
+ SilcServerConfigServer *servers;
+ SilcServerConfigRouter *routers;
+} *SilcServerConfig;
- This object holds all the data parsed from the SILC server configuration
- file. This is mainly used at the initialization of the server.
-
-*/
typedef struct {
- /* Pointer back to the server */
- void *server;
-
- /* Filename of the configuration file */
- char *filename;
-
- /* Configuration sections */
- SilcServerConfigSectionAlg *cipher;
- SilcServerConfigSectionAlg *pkcs;
- SilcServerConfigSectionAlg *hash_func;
- SilcServerConfigSectionAlg *hmac;
- SilcServerConfigSectionServerInfo *server_info;
- SilcServerConfigSectionAdminInfo *admin_info;
- SilcServerConfigSectionListenPort *listen_port;
- SilcServerConfigSectionIdentity *identity;
- SilcServerConfigSectionLogging *logging;
- SilcServerConfigSectionConnectionClass *conn_class;
- SilcServerConfigSectionClientConnection *clients;
- SilcServerConfigSectionServerConnection *servers;
- SilcServerConfigSectionServerConnection *routers;
- SilcServerConfigSectionAdminConnection *admins;
- SilcServerConfigSectionDenyConnection *denied;
- SilcServerConfigSectionRedirectClient *redirect;
- SilcServerConfigSectionMotd *motd;
-} SilcServerConfigObject;
-
-typedef SilcServerConfigObject *SilcServerConfig;
-
-/* Configuration section type enumerations. */
-typedef enum {
- SILC_CONFIG_SERVER_SECTION_TYPE_NONE = 0,
- SILC_CONFIG_SERVER_SECTION_TYPE_CIPHER,
- SILC_CONFIG_SERVER_SECTION_TYPE_PKCS,
- SILC_CONFIG_SERVER_SECTION_TYPE_HASH_FUNCTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_HMAC,
- SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_INFO,
- SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_INFO,
- SILC_CONFIG_SERVER_SECTION_TYPE_LISTEN_PORT,
- SILC_CONFIG_SERVER_SECTION_TYPE_IDENTITY,
- SILC_CONFIG_SERVER_SECTION_TYPE_LOGGING,
- SILC_CONFIG_SERVER_SECTION_TYPE_CONNECTION_CLASS,
- SILC_CONFIG_SERVER_SECTION_TYPE_CLIENT_CONNECTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_CONNECTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_ROUTER_CONNECTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_CONNECTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_DENY_CONNECTION,
- SILC_CONFIG_SERVER_SECTION_TYPE_REDIRECT_CLIENT,
- SILC_CONFIG_SERVER_SECTION_TYPE_MOTD,
-} SilcServerConfigSectionType;
-
-/* SILC Configuration Section structure. */
-typedef struct {
- const char *section;
- SilcServerConfigSectionType type;
- unsigned int maxfields;
-} SilcServerConfigSection;
-
-/* LIst of all possible config sections in SILC server. */
-extern SilcServerConfigSection silc_server_config_sections[];
-
-/* Structure used in parsing the configuration lines. The line is read
- from a file to this structure before parsing it further. */
-typedef struct SilcServerConfigParseStruct {
- SilcBuffer line;
- unsigned int linenum;
- SilcServerConfigSection *section;
- struct SilcServerConfigParseStruct *next;
- struct SilcServerConfigParseStruct *prev;
-} *SilcServerConfigParse;
-
-/* Macros */
-
-/* Allocates list entries for configuration sections. Used by all
- config sections as this is common. */
-#define SILC_SERVER_CONFIG_LIST_ALLOC(x) \
-do { \
- if (!(x)) { \
- (x) = silc_calloc(1, sizeof(*(x))); \
- (x)->next = NULL; \
- (x)->prev = NULL; \
- } else { \
- if (!(x)->next) { \
- (x)->next = silc_calloc(1, sizeof(*(x)->next)); \
- (x)->next->next = NULL; \
- (x)->next->prev = (x); \
- (x) = (x)->next; \
- } \
- } \
-} while(0)
+ SilcServerConfig config;
+ void *ref_ptr;
+} SilcServerConfigRef;
/* Prototypes */
-SilcServerConfig silc_server_config_alloc(char *filename);
-void silc_server_config_free(SilcServerConfig config);
-int silc_server_config_parse(SilcServerConfig config, SilcBuffer buffer,
- SilcServerConfigParse *return_config);
-int silc_server_config_parse_lines(SilcServerConfig config,
- SilcServerConfigParse parse_config);
-int silc_server_config_check_sections(unsigned int checkmask);
-void silc_server_config_setlogfiles(SilcServerConfig config);
-void silc_server_config_register_ciphers(SilcServerConfig config);
-void silc_server_config_register_pkcs(SilcServerConfig config);
-void silc_server_config_register_hashfuncs(SilcServerConfig config);
-void silc_server_config_register_hmacs(SilcServerConfig config);
-SilcServerConfigSectionClientConnection *
-silc_server_config_find_client_conn(SilcServerConfig config,
- char *host, int port);
-SilcServerConfigSectionServerConnection *
-silc_server_config_find_server_conn(SilcServerConfig config,
- char *host, int port);
-SilcServerConfigSectionServerConnection *
-silc_server_config_find_router_conn(SilcServerConfig config,
- char *host, int port);
-SilcServerConfigSectionAdminConnection *
-silc_server_config_find_admin(SilcServerConfig config,
- char *host, char *username, char *nickname);
-void silc_server_config_print();
-#endif
+/* Basic config operations */
+SilcServerConfig silc_server_config_alloc(const char *filename);
+void silc_server_config_destroy(SilcServerConfig config);
+void silc_server_config_ref(SilcServerConfigRef *ref, SilcServerConfig config,
+ void *ref_ptr);
+void silc_server_config_unref(SilcServerConfigRef *ref);
+
+/* Algorithm registering and reset functions */
+bool silc_server_config_register_ciphers(SilcServer server);
+bool silc_server_config_register_hashfuncs(SilcServer server);
+bool silc_server_config_register_hmacs(SilcServer server);
+bool silc_server_config_register_pkcs(SilcServer server);
+void silc_server_config_setlogfiles(SilcServer server);
+
+/* Run-time config access functions */
+SilcServerConfigClient *
+silc_server_config_find_client(SilcServer server, char *host);
+SilcServerConfigAdmin *
+silc_server_config_find_admin(SilcServer server, char *host, char *user,
+ char *nick);
+SilcServerConfigDeny *
+silc_server_config_find_denied(SilcServer server, char *host);
+SilcServerConfigServer *
+silc_server_config_find_server_conn(SilcServer server, char *host);
+SilcServerConfigRouter *
+silc_server_config_find_router_conn(SilcServer server, char *host, int port);
+SilcServerConfigRouter *
+silc_server_config_find_backup_conn(SilcServer server, char *host);
+bool silc_server_config_is_primary_route(SilcServer server);
+SilcServerConfigRouter *
+silc_server_config_get_primary_router(SilcServer server);
+SilcServerConfigRouter *
+silc_server_config_get_backup_router(SilcServer server);
+
+#endif /* !SERVERCONFIG_H */