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 {
28 unsigned int block_len;
30 struct SilcServerConfigSectionAlgStruct *next;
31 struct SilcServerConfigSectionAlgStruct *prev;
32 #define SILC_CONFIG_SERVER_MODNAME "builtin"
33 } SilcServerConfigSectionAlg;
35 /* Holds server information from config file */
41 } SilcServerConfigSectionServerInfo;
43 /* Holds server's administrative information from config file */
49 } SilcServerConfigSectionAdminInfo;
51 /* Holds all the ports the server is listenning on */
52 typedef struct SilcServerConfigSectionListenPortStruct {
56 struct SilcServerConfigSectionListenPortStruct *next;
57 struct SilcServerConfigSectionListenPortStruct *prev;
58 } SilcServerConfigSectionListenPort;
60 /* Holds server's execution identity, or the user and group which
61 to change from root when server starts */
65 } SilcServerConfigSectionIdentity;
67 /* Holds all the configured log files. */
68 typedef struct SilcServerConfigSectionLoggingStruct {
72 struct SilcServerConfigSectionLoggingStruct *next;
73 struct SilcServerConfigSectionLoggingStruct *prev;
75 /* Allowed <Logging> section types */
76 #define SILC_CONFIG_SERVER_LF_INFO "infologfile"
77 #define SILC_CONFIG_SERVER_LF_WARNING "warninglogfile"
78 #define SILC_CONFIG_SERVER_LF_ERROR "errorlogfile"
79 #define SILC_CONFIG_SERVER_LF_FATAL "fatalogfile"
80 } SilcServerConfigSectionLogging;
82 /* Holds all configured connection classes */
83 typedef struct SilcServerConfigSectionConnectionClassStruct {
85 unsigned int ping_freq;
86 unsigned int connect_freq;
87 unsigned int max_links;
88 struct SilcServerConfigSectionConnectionClassStruct *next;
89 struct SilcServerConfigSectionConnectionClassStruct *prev;
90 } SilcServerConfigSectionConnectionClass;
92 #define SILC_CONFIG_SERVER_AUTH_METH_PASSWD "passwd"
93 #define SILC_CONFIG_SERVER_AUTH_METH_PUBKEY "pubkey"
95 /* Holds all client authentication data from config file */
96 typedef struct SilcServerConfigSectionClientConnectionStruct {
102 struct SilcServerConfigSectionClientConnectionStruct *next;
103 struct SilcServerConfigSectionClientConnectionStruct *prev;
104 } SilcServerConfigSectionClientConnection;
106 /* Hols all server's administrators authentication data from config file */
107 typedef struct SilcServerConfigSectionAdminConnectionStruct {
113 struct SilcServerConfigSectionAdminConnectionStruct *next;
114 struct SilcServerConfigSectionAdminConnectionStruct *prev;
115 } SilcServerConfigSectionAdminConnection;
117 /* Holds all configured server/router connections from config file */
118 typedef struct SilcServerConfigSectionServerConnectionStruct {
126 struct SilcServerConfigSectionServerConnectionStruct *next;
127 struct SilcServerConfigSectionServerConnectionStruct *prev;
128 } SilcServerConfigSectionServerConnection;
130 /* Holds all configured denied connections from config file */
136 } SilcServerConfigSectionDenyConnection;
138 /* Holds all client redirections from config file */
142 } SilcServerConfigSectionRedirectClient;
144 /* Holds motd file */
147 } SilcServerConfigSectionMotd;
150 SILC Server Config object.
152 This object holds all the data parsed from the SILC server configuration
153 file. This is mainly used at the initialization of the server.
157 /* Pointer back to the server */
160 /* Filename of the configuration file */
163 /* Configuration sections */
164 SilcServerConfigSectionAlg *cipher;
165 SilcServerConfigSectionAlg *pkcs;
166 SilcServerConfigSectionAlg *hash_func;
167 SilcServerConfigSectionAlg *hmac;
168 SilcServerConfigSectionServerInfo *server_info;
169 SilcServerConfigSectionAdminInfo *admin_info;
170 SilcServerConfigSectionListenPort *listen_port;
171 SilcServerConfigSectionIdentity *identity;
172 SilcServerConfigSectionLogging *logging;
173 SilcServerConfigSectionConnectionClass *conn_class;
174 SilcServerConfigSectionClientConnection *clients;
175 SilcServerConfigSectionServerConnection *servers;
176 SilcServerConfigSectionServerConnection *routers;
177 SilcServerConfigSectionAdminConnection *admins;
178 SilcServerConfigSectionDenyConnection *denied;
179 SilcServerConfigSectionRedirectClient *redirect;
180 SilcServerConfigSectionMotd *motd;
181 } SilcServerConfigObject;
183 typedef SilcServerConfigObject *SilcServerConfig;
185 /* Configuration section type enumerations. */
187 SILC_CONFIG_SERVER_SECTION_TYPE_NONE = 0,
188 SILC_CONFIG_SERVER_SECTION_TYPE_CIPHER,
189 SILC_CONFIG_SERVER_SECTION_TYPE_PKCS,
190 SILC_CONFIG_SERVER_SECTION_TYPE_HASH_FUNCTION,
191 SILC_CONFIG_SERVER_SECTION_TYPE_HMAC,
192 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_INFO,
193 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_INFO,
194 SILC_CONFIG_SERVER_SECTION_TYPE_LISTEN_PORT,
195 SILC_CONFIG_SERVER_SECTION_TYPE_IDENTITY,
196 SILC_CONFIG_SERVER_SECTION_TYPE_LOGGING,
197 SILC_CONFIG_SERVER_SECTION_TYPE_CONNECTION_CLASS,
198 SILC_CONFIG_SERVER_SECTION_TYPE_CLIENT_CONNECTION,
199 SILC_CONFIG_SERVER_SECTION_TYPE_SERVER_CONNECTION,
200 SILC_CONFIG_SERVER_SECTION_TYPE_ROUTER_CONNECTION,
201 SILC_CONFIG_SERVER_SECTION_TYPE_ADMIN_CONNECTION,
202 SILC_CONFIG_SERVER_SECTION_TYPE_DENY_CONNECTION,
203 SILC_CONFIG_SERVER_SECTION_TYPE_REDIRECT_CLIENT,
204 SILC_CONFIG_SERVER_SECTION_TYPE_MOTD,
205 } SilcServerConfigSectionType;
207 /* SILC Configuration Section structure. */
210 SilcServerConfigSectionType type;
211 unsigned int maxfields;
212 } SilcServerConfigSection;
214 /* LIst of all possible config sections in SILC server. */
215 extern SilcServerConfigSection silc_server_config_sections[];
217 /* Structure used in parsing the configuration lines. The line is read
218 from a file to this structure before parsing it further. */
219 typedef struct SilcServerConfigParseStruct {
221 unsigned int linenum;
222 SilcServerConfigSection *section;
223 struct SilcServerConfigParseStruct *next;
224 struct SilcServerConfigParseStruct *prev;
225 } *SilcServerConfigParse;
229 /* Allocates list entries for configuration sections. Used by all
230 config sections as this is common. */
231 #define SILC_SERVER_CONFIG_LIST_ALLOC(x) \
234 (x) = silc_calloc(1, sizeof(*(x))); \
239 (x)->next = silc_calloc(1, sizeof(*(x)->next)); \
240 (x)->next->next = NULL; \
241 (x)->next->prev = (x); \
248 SilcServerConfig silc_server_config_alloc(char *filename);
249 void silc_server_config_free(SilcServerConfig config);
250 int silc_server_config_parse(SilcServerConfig config, SilcBuffer buffer,
251 SilcServerConfigParse *return_config);
252 int silc_server_config_parse_lines(SilcServerConfig config,
253 SilcServerConfigParse parse_config);
254 int silc_server_config_check_sections(unsigned int checkmask);
255 void silc_server_config_setlogfiles(SilcServerConfig config);
256 void silc_server_config_register_ciphers(SilcServerConfig config);
257 void silc_server_config_register_pkcs(SilcServerConfig config);
258 void silc_server_config_register_hashfuncs(SilcServerConfig config);
259 void silc_server_config_register_hmacs(SilcServerConfig config);
260 SilcServerConfigSectionClientConnection *
261 silc_server_config_find_client_conn(SilcServerConfig config,
262 char *host, int port);
263 SilcServerConfigSectionServerConnection *
264 silc_server_config_find_server_conn(SilcServerConfig config,
265 char *host, int port);
266 SilcServerConfigSectionServerConnection *
267 silc_server_config_find_router_conn(SilcServerConfig config,
268 char *host, int port);
269 void silc_server_config_print();