5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
21 #ifndef SERVERCONFIG_H
22 #define SERVERCONFIG_H
24 /* Holds information of configured algorithms */
25 typedef struct SilcServerConfigSectionAlgStruct {
30 struct SilcServerConfigSectionAlgStruct *next;
31 struct SilcServerConfigSectionAlgStruct *prev;
32 #define SILC_CONFIG_SERVER_MODNAME "builtin"
33 } SilcServerConfigSectionAlg;
35 /* Holds server keys from config file */
37 SilcPublicKey public_key;
38 SilcPrivateKey private_key;
39 } SilcServerConfigSectionServerKeys;
41 /* Holds server information from config file */
47 } SilcServerConfigSectionServerInfo;
49 /* Holds server's administrative information from config file */
55 } SilcServerConfigSectionAdminInfo;
57 /* Holds all the ports the server is listenning on */
58 typedef struct SilcServerConfigSectionListenPortStruct {
62 struct SilcServerConfigSectionListenPortStruct *next;
63 struct SilcServerConfigSectionListenPortStruct *prev;
64 } SilcServerConfigSectionListenPort;
66 /* Holds server's execution identity, or the user and group which
67 to change from root when server starts */
71 } SilcServerConfigSectionIdentity;
73 /* Holds all the configured log files. */
74 typedef struct SilcServerConfigSectionLoggingStruct {
78 struct SilcServerConfigSectionLoggingStruct *next;
79 struct SilcServerConfigSectionLoggingStruct *prev;
81 /* Allowed <Logging> section types */
82 #define SILC_CONFIG_SERVER_LF_INFO "infologfile"
83 #define SILC_CONFIG_SERVER_LF_WARNING "warninglogfile"
84 #define SILC_CONFIG_SERVER_LF_ERROR "errorlogfile"
85 #define SILC_CONFIG_SERVER_LF_FATAL "fatallogfile"
86 } SilcServerConfigSectionLogging;
88 /* Holds all configured connection classes */
89 typedef struct SilcServerConfigSectionConnectionClassStruct {
94 struct SilcServerConfigSectionConnectionClassStruct *next;
95 struct SilcServerConfigSectionConnectionClassStruct *prev;
96 } SilcServerConfigSectionConnectionClass;
98 #define SILC_CONFIG_SERVER_AUTH_METH_PASSWD "passwd"
99 #define SILC_CONFIG_SERVER_AUTH_METH_PUBKEY "pubkey"
101 /* Holds all client authentication data from config file */
102 typedef struct SilcServerConfigSectionClientConnectionStruct {
104 SilcAuthMethod auth_meth;
106 uint32 auth_data_len;
109 struct SilcServerConfigSectionClientConnectionStruct *next;
110 struct SilcServerConfigSectionClientConnectionStruct *prev;
111 } SilcServerConfigSectionClientConnection;
113 /* Hols all server's administrators authentication data from config file */
114 typedef struct SilcServerConfigSectionAdminConnectionStruct {
118 SilcAuthMethod auth_meth;
120 uint32 auth_data_len;
121 struct SilcServerConfigSectionAdminConnectionStruct *next;
122 struct SilcServerConfigSectionAdminConnectionStruct *prev;
123 } SilcServerConfigSectionAdminConnection;
125 /* Holds all configured server/router connections from config file */
126 typedef struct SilcServerConfigSectionServerConnectionStruct {
128 SilcAuthMethod auth_meth;
130 uint32 auth_data_len;
137 struct SilcServerConfigSectionServerConnectionStruct *next;
138 struct SilcServerConfigSectionServerConnectionStruct *prev;
139 } SilcServerConfigSectionServerConnection;
141 /* Holds all configured denied connections from config file */
142 typedef struct SilcServerConfigSectionDenyConnectionStruct {
146 struct SilcServerConfigSectionDenyConnectionStruct *next;
147 struct SilcServerConfigSectionDenyConnectionStruct *prev;
148 } SilcServerConfigSectionDenyConnection;
150 /* Holds motd file */
153 } SilcServerConfigSectionMotd;
156 SILC Server Config object.
158 This object holds all the data parsed from the SILC server configuration
159 file. This is mainly used at the initialization of the server.
163 /* Pointer back to the server */
166 /* Filename of the configuration file */
169 /* Configuration sections */
170 SilcServerConfigSectionAlg *cipher;
171 SilcServerConfigSectionAlg *pkcs;
172 SilcServerConfigSectionAlg *hash_func;
173 SilcServerConfigSectionAlg *hmac;
174 SilcServerConfigSectionServerKeys *server_keys;
175 SilcServerConfigSectionServerInfo *server_info;
176 SilcServerConfigSectionAdminInfo *admin_info;
177 SilcServerConfigSectionListenPort *listen_port;
178 SilcServerConfigSectionIdentity *identity;
179 SilcServerConfigSectionLogging *logging;
180 SilcServerConfigSectionConnectionClass *conn_class;
181 SilcServerConfigSectionClientConnection *clients;
182 SilcServerConfigSectionServerConnection *servers;
183 SilcServerConfigSectionServerConnection *routers;
184 SilcServerConfigSectionAdminConnection *admins;
185 SilcServerConfigSectionDenyConnection *denied;
186 SilcServerConfigSectionMotd *motd;
187 } SilcServerConfigObject;
189 typedef SilcServerConfigObject *SilcServerConfig;
191 /* Configuration section type enumerations. */
193 SILC_CONFIG_SERVER_SECTION_TYPE_NONE = 0,
194 SILC_CONFIG_SERVER_SECTION_TYPE_CIPHER,
195 SILC_CONFIG_SERVER_SECTION_TYPE_PKCS,
196 SILC_CONFIG_SERVER_SECTION_TYPE_HASH_FUNCTION,
197 SILC_CONFIG_SERVER_SECTION_TYPE_HMAC,
198 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_KEYS,
199 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_INFO,
200 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_INFO,
201 SILC_CONFIG_SERVER_SECTION_TYPE_LISTEN_PORT,
202 SILC_CONFIG_SERVER_SECTION_TYPE_IDENTITY,
203 SILC_CONFIG_SERVER_SECTION_TYPE_LOGGING,
204 SILC_CONFIG_SERVER_SECTION_TYPE_CONNECTION_CLASS,
205 SILC_CONFIG_SERVER_SECTION_TYPE_CLIENT_CONNECTION,
206 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_CONNECTION,
207 SILC_CONFIG_SERVER_SECTION_TYPE_ROUTER_CONNECTION,
208 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_CONNECTION,
209 SILC_CONFIG_SERVER_SECTION_TYPE_DENY_CONNECTION,
210 SILC_CONFIG_SERVER_SECTION_TYPE_MOTD,
211 } SilcServerConfigSectionType;
213 /* SILC Configuration Section structure. */
216 SilcServerConfigSectionType type;
218 } SilcServerConfigSection;
220 /* LIst of all possible config sections in SILC server. */
221 extern SilcServerConfigSection silc_server_config_sections[];
223 /* Structure used in parsing the configuration lines. The line is read
224 from a file to this structure before parsing it further. */
225 typedef struct SilcServerConfigParseStruct {
228 SilcServerConfigSection *section;
229 struct SilcServerConfigParseStruct *next;
230 struct SilcServerConfigParseStruct *prev;
231 } *SilcServerConfigParse;
235 /* Allocates list entries for configuration sections. Used by all
236 config sections as this is common. */
237 #define SILC_SERVER_CONFIG_LIST_ALLOC(x) \
240 (x) = silc_calloc(1, sizeof(*(x))); \
245 (x)->next = silc_calloc(1, sizeof(*(x)->next)); \
246 (x)->next->next = NULL; \
247 (x)->next->prev = (x); \
254 SilcServerConfig silc_server_config_alloc(char *filename);
255 void silc_server_config_free(SilcServerConfig config);
256 int silc_server_config_parse(SilcServerConfig config, SilcBuffer buffer,
257 SilcServerConfigParse *return_config);
258 int silc_server_config_parse_lines(SilcServerConfig config,
259 SilcServerConfigParse parse_config);
260 int silc_server_config_check_sections(uint32 checkmask);
261 void silc_server_config_setlogfiles(SilcServerConfig config);
262 bool silc_server_config_register_ciphers(SilcServerConfig config);
263 bool silc_server_config_register_pkcs(SilcServerConfig config);
264 bool silc_server_config_register_hashfuncs(SilcServerConfig config);
265 bool silc_server_config_register_hmacs(SilcServerConfig config);
266 SilcServerConfigSectionClientConnection *
267 silc_server_config_find_client_conn(SilcServerConfig config,
268 char *host, int port);
269 SilcServerConfigSectionServerConnection *
270 silc_server_config_find_server_conn(SilcServerConfig config,
271 char *host, int port);
272 SilcServerConfigSectionServerConnection *
273 silc_server_config_find_router_conn(SilcServerConfig config,
274 char *host, int port);
275 bool silc_server_config_is_primary_route(SilcServerConfig config);
276 SilcServerConfigSectionServerConnection *
277 silc_server_config_get_primary_router(SilcServerConfig config);
278 SilcServerConfigSectionAdminConnection *
279 silc_server_config_find_admin(SilcServerConfig config,
280 char *host, char *username, char *nickname);
281 SilcServerConfigSectionDenyConnection *
282 silc_server_config_denied_conn(SilcServerConfig config, char *host,