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;
135 struct SilcServerConfigSectionServerConnectionStruct *next;
136 struct SilcServerConfigSectionServerConnectionStruct *prev;
137 } SilcServerConfigSectionServerConnection;
139 /* Holds all configured denied connections from config file */
140 typedef struct SilcServerConfigSectionDenyConnectionStruct {
144 struct SilcServerConfigSectionDenyConnectionStruct *next;
145 struct SilcServerConfigSectionDenyConnectionStruct *prev;
146 } SilcServerConfigSectionDenyConnection;
148 /* Holds motd file */
151 } SilcServerConfigSectionMotd;
154 SILC Server Config object.
156 This object holds all the data parsed from the SILC server configuration
157 file. This is mainly used at the initialization of the server.
161 /* Pointer back to the server */
164 /* Filename of the configuration file */
167 /* Configuration sections */
168 SilcServerConfigSectionAlg *cipher;
169 SilcServerConfigSectionAlg *pkcs;
170 SilcServerConfigSectionAlg *hash_func;
171 SilcServerConfigSectionAlg *hmac;
172 SilcServerConfigSectionServerKeys *server_keys;
173 SilcServerConfigSectionServerInfo *server_info;
174 SilcServerConfigSectionAdminInfo *admin_info;
175 SilcServerConfigSectionListenPort *listen_port;
176 SilcServerConfigSectionIdentity *identity;
177 SilcServerConfigSectionLogging *logging;
178 SilcServerConfigSectionConnectionClass *conn_class;
179 SilcServerConfigSectionClientConnection *clients;
180 SilcServerConfigSectionServerConnection *servers;
181 SilcServerConfigSectionServerConnection *routers;
182 SilcServerConfigSectionAdminConnection *admins;
183 SilcServerConfigSectionDenyConnection *denied;
184 SilcServerConfigSectionMotd *motd;
185 } SilcServerConfigObject;
187 typedef SilcServerConfigObject *SilcServerConfig;
189 /* Configuration section type enumerations. */
191 SILC_CONFIG_SERVER_SECTION_TYPE_NONE = 0,
192 SILC_CONFIG_SERVER_SECTION_TYPE_CIPHER,
193 SILC_CONFIG_SERVER_SECTION_TYPE_PKCS,
194 SILC_CONFIG_SERVER_SECTION_TYPE_HASH_FUNCTION,
195 SILC_CONFIG_SERVER_SECTION_TYPE_HMAC,
196 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_KEYS,
197 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_INFO,
198 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_INFO,
199 SILC_CONFIG_SERVER_SECTION_TYPE_LISTEN_PORT,
200 SILC_CONFIG_SERVER_SECTION_TYPE_IDENTITY,
201 SILC_CONFIG_SERVER_SECTION_TYPE_LOGGING,
202 SILC_CONFIG_SERVER_SECTION_TYPE_CONNECTION_CLASS,
203 SILC_CONFIG_SERVER_SECTION_TYPE_CLIENT_CONNECTION,
204 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_CONNECTION,
205 SILC_CONFIG_SERVER_SECTION_TYPE_ROUTER_CONNECTION,
206 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_CONNECTION,
207 SILC_CONFIG_SERVER_SECTION_TYPE_DENY_CONNECTION,
208 SILC_CONFIG_SERVER_SECTION_TYPE_MOTD,
209 } SilcServerConfigSectionType;
211 /* SILC Configuration Section structure. */
214 SilcServerConfigSectionType type;
216 } SilcServerConfigSection;
218 /* LIst of all possible config sections in SILC server. */
219 extern SilcServerConfigSection silc_server_config_sections[];
221 /* Structure used in parsing the configuration lines. The line is read
222 from a file to this structure before parsing it further. */
223 typedef struct SilcServerConfigParseStruct {
226 SilcServerConfigSection *section;
227 struct SilcServerConfigParseStruct *next;
228 struct SilcServerConfigParseStruct *prev;
229 } *SilcServerConfigParse;
233 /* Allocates list entries for configuration sections. Used by all
234 config sections as this is common. */
235 #define SILC_SERVER_CONFIG_LIST_ALLOC(x) \
238 (x) = silc_calloc(1, sizeof(*(x))); \
243 (x)->next = silc_calloc(1, sizeof(*(x)->next)); \
244 (x)->next->next = NULL; \
245 (x)->next->prev = (x); \
252 SilcServerConfig silc_server_config_alloc(char *filename);
253 void silc_server_config_free(SilcServerConfig config);
254 int silc_server_config_parse(SilcServerConfig config, SilcBuffer buffer,
255 SilcServerConfigParse *return_config);
256 int silc_server_config_parse_lines(SilcServerConfig config,
257 SilcServerConfigParse parse_config);
258 int silc_server_config_check_sections(uint32 checkmask);
259 void silc_server_config_setlogfiles(SilcServerConfig config);
260 bool silc_server_config_register_ciphers(SilcServerConfig config);
261 bool silc_server_config_register_pkcs(SilcServerConfig config);
262 bool silc_server_config_register_hashfuncs(SilcServerConfig config);
263 bool silc_server_config_register_hmacs(SilcServerConfig config);
264 SilcServerConfigSectionClientConnection *
265 silc_server_config_find_client_conn(SilcServerConfig config,
266 char *host, int port);
267 SilcServerConfigSectionServerConnection *
268 silc_server_config_find_server_conn(SilcServerConfig config,
269 char *host, int port);
270 SilcServerConfigSectionServerConnection *
271 silc_server_config_find_router_conn(SilcServerConfig config,
272 char *host, int port);
273 bool silc_server_config_is_primary_route(SilcServerConfig config);
274 SilcServerConfigSectionAdminConnection *
275 silc_server_config_find_admin(SilcServerConfig config,
276 char *host, char *username, char *nickname);
277 SilcServerConfigSectionDenyConnection *
278 silc_server_config_denied_conn(SilcServerConfig config, char *host,