5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2002 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; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
23 /* This function removes all client entries that are originated from
24 `router' and are owned by `entry'. `router' and `entry' can be same
25 too. If `server_signoff' is TRUE then SERVER_SIGNOFF notify is
26 distributed to our local clients. */
27 bool silc_server_remove_clients_by_server(SilcServer server,
28 SilcServerEntry router,
29 SilcServerEntry entry,
32 /* Updates the clients that are originated from the `from' to be originated
33 from the `to'. If the `resolve_real_server' is TRUE then this will
34 attempt to figure out which clients really are originated from the
35 `from' and which are originated from a server that we have connection
36 to, when we've acting as backup router. If it is FALSE the `to' will
38 void silc_server_update_clients_by_server(SilcServer server,
41 bool resolve_real_server);
43 /* Updates servers that are from `from' to be originated from `to'. This
44 will also update the server's connection to `to's connection. */
45 void silc_server_update_servers_by_server(SilcServer server,
49 /* Toggles the enabled/disabled status of local server connections. Packets
50 can be sent to the servers when `toggle_enabled' is TRUE and will be
51 dropped if `toggle_enabled' is FALSE, after this function is called. */
52 void silc_server_local_servers_toggle_enabled(SilcServer server,
55 /* Removes servers that are originated from the `from'. The server
56 entry is deleted in this function. If `remove_clients' is TRUE then
57 all clients originated from the server are removed too, and server
58 signoff is sent. Note that this does not remove the `from'. This
59 also does not remove locally connected servers. */
60 void silc_server_remove_servers_by_server(SilcServer server,
64 /* Removes channels that are from `from. */
65 void silc_server_remove_channels_by_server(SilcServer server,
66 SilcServerEntry from);
68 /* Updates channels that are from `from' to be originated from `to'. */
69 void silc_server_update_channels_by_server(SilcServer server,
73 /* Checks whether given channel has global users. If it does this returns
74 TRUE and FALSE if there is only locally connected clients on the channel. */
75 bool silc_server_channel_has_global(SilcChannelEntry channel);
77 /* Checks whether given channel has locally connected users. If it does this
78 returns TRUE and FALSE if there is not one locally connected client. */
79 bool silc_server_channel_has_local(SilcChannelEntry channel);
81 /* This function removes the channel and all users on the channel, unless
82 the channel is permanent. In this case the channel is disabled but all
83 users are removed from the channel. Returns TRUE if the channel is
84 destroyed totally, and FALSE if it is permanent and remains. */
85 bool silc_server_channel_delete(SilcServer server,
86 SilcChannelEntry channel);
88 /* Returns TRUE if the given client is on the channel. FALSE if not.
89 This works because we assure that the user list on the channel is
90 always in up to date thus we can only check the channel list from
91 `client' which is faster than checking the user list from `channel'. */
92 bool silc_server_client_on_channel(SilcClientEntry client,
93 SilcChannelEntry channel,
94 SilcChannelClientEntry *chl);
96 /* Checks string for bad characters and returns TRUE if they are found. */
97 bool silc_server_name_bad_chars(const char *name, SilcUInt32 name_len);
99 /* Modifies the `nick' if it includes bad characters and returns new
100 allocated nickname that does not include bad characters. */
101 char *silc_server_name_modify_bad(const char *name, SilcUInt32 name_len);
103 /* Find number of sockets by IP address indicated by `ip'. Returns 0 if
104 socket connections with the IP address does not exist. */
105 SilcUInt32 silc_server_num_sockets_by_ip(SilcServer server, const char *ip,
106 SilcSocketType type);
108 /* Find number of sockets by IP address indicated by remote host, indicated
109 by `ip' or `hostname', `port', and `type'. Returns 0 if socket connections
110 does not exist. If `ip' is provided then `hostname' is ignored. */
111 SilcUInt32 silc_server_num_sockets_by_remote(SilcServer server,
113 const char *hostname,
115 SilcSocketType type);
117 /* Finds locally cached public key by the public key received in the SKE.
118 If we have it locally cached then we trust it and will use it in the
119 authentication protocol. Returns the locally cached public key or NULL
120 if we do not find the public key. */
121 SilcPublicKey silc_server_find_public_key(SilcServer server,
122 SilcHashTable local_public_keys,
123 SilcPublicKey remote_public_key);
125 /* This returns the first public key from the table of public keys. This
126 is used only in cases where single public key exists in the table and
127 we want to get a pointer to it. For public key tables that has multiple
128 keys in it the silc_server_find_public_key must be used. */
129 SilcPublicKey silc_server_get_public_key(SilcServer server,
130 SilcHashTable local_public_keys);
132 /* Check whether the connection `sock' is allowed to connect to us. This
133 checks for example whether there is too much connections for this host,
134 and required version for the host etc. */
135 bool silc_server_connection_allowed(SilcServer server,
136 SilcSocketConnection sock,
138 SilcServerConfigConnParams *global,
139 SilcServerConfigConnParams *params,
142 /* Checks that client has rights to add or remove channel modes. If any
143 of the checks fails FALSE is returned. */
144 bool silc_server_check_cmode_rights(SilcServer server,
145 SilcChannelEntry channel,
146 SilcChannelClientEntry client,
149 /* Check that the client has rights to change its user mode. Returns
150 FALSE if setting some mode is not allowed. */
151 bool silc_server_check_umode_rights(SilcServer server,
152 SilcClientEntry client,
155 /* This function is used to send the notify packets and motd to the
156 incoming client connection. */
157 void silc_server_send_connect_notifys(SilcServer server,
158 SilcSocketConnection sock,
159 SilcClientEntry client);
161 /* Kill the client indicated by `remote_client' sending KILLED notify
162 to the client, to all channels client has joined and to primary
163 router if needed. The killed client is also removed from all channels. */
164 void silc_server_kill_client(SilcServer server,
165 SilcClientEntry remote_client,
168 SilcIdType killer_id_type);
170 /* This function checks whether the `client' nickname is being watched
171 by someone, and notifies the watcher of the notify change of notify
172 type indicated by `notify'. */
173 bool silc_server_check_watcher_list(SilcServer server,
174 SilcClientEntry client,
175 const char *new_nick,
176 SilcNotifyType notify);
178 /* Remove the `client' from watcher list. After calling this the `client'
179 is not watching any nicknames. */
180 bool silc_server_del_from_watcher_list(SilcServer server,
181 SilcClientEntry client);
183 /* Force the client indicated by `chl' to change the channel user mode
184 on channel indicated by `channel' to `forced_mode'. */
185 bool silc_server_force_cumode_change(SilcServer server,
186 SilcSocketConnection sock,
187 SilcChannelEntry channel,
188 SilcChannelClientEntry chl,
189 SilcUInt32 forced_mode);
191 /* Find active socket connection by the IP address and port indicated by
192 `ip' and `port', and socket connection type of `type'. */
194 silc_server_find_socket_by_host(SilcServer server,
196 const char *ip, SilcUInt16 port);
198 /* This function can be used to match the invite and ban lists. */
199 bool silc_server_inviteban_match(SilcServer server, SilcHashTable list,
200 SilcUInt8 type, void *check);
202 /* Process invite or ban information */
203 void silc_server_inviteban_process(SilcServer server, SilcHashTable list,
204 SilcUInt8 action, SilcArgumentPayload args);
206 #endif /* SERVER_UTIL_H */