/*
- server_util.h
+ server_util.h
Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2002 Pekka Riikonen
+ Copyright (C) 1997 - 2003 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
#ifndef SERVER_UTIL_H
#define SERVER_UTIL_H
-/* This function is used to remove all client entries by the server `entry'.
- This is called when the connection is lost to the server. In this case
- we must invalidate all the client entries owned by the server `entry'.
- If the `server_signoff' is TRUE then the SERVER_SIGNOFF notify is
+/* This function removes all client entries that are originated from
+ `router' and are owned by `entry'. `router' and `entry' can be same
+ too. If `server_signoff' is TRUE then SERVER_SIGNOFF notify is
distributed to our local clients. */
-bool silc_server_remove_clients_by_server(SilcServer server,
+bool silc_server_remove_clients_by_server(SilcServer server,
+ SilcServerEntry router,
SilcServerEntry entry,
bool server_signoff);
attempt to figure out which clients really are originated from the
`from' and which are originated from a server that we have connection
to, when we've acting as backup router. If it is FALSE the `to' will
- be the new source. This function also removes the clients that are
- *really* originated from `from' if `remove_from' is TRUE. These are
- clients that the `from' owns, and not just clients that are behind
- the `from'. If `from' is NULL then all non-local clients are switched
- to `to'. */
-void silc_server_update_clients_by_server(SilcServer server,
+ be the new source. If `from' is NULL then all clients (except locally
+ connected) are updated `to'. */
+void silc_server_update_clients_by_server(SilcServer server,
SilcServerEntry from,
SilcServerEntry to,
- bool resolve_real_server,
- bool remove_from);
+ bool resolve_real_server);
/* Updates servers that are from `from' to be originated from `to'. This
- will also update the server's connection to `to's connection. If
- `local_toggle_enabled' is TRUE then local server's connections are
- enabled, if FALSE they are disabled. */
-void silc_server_update_servers_by_server(SilcServer server,
+ will also update the server's connection to `to's connection. */
+void silc_server_update_servers_by_server(SilcServer server,
SilcServerEntry from,
- SilcServerEntry to,
- bool local_toggle_enabled);
+ SilcServerEntry to);
+
+/* Toggles the enabled/disabled status of local server connections. Packets
+ can be sent to the servers when `toggle_enabled' is TRUE and will be
+ dropped if `toggle_enabled' is FALSE, after this function is called. */
+void silc_server_local_servers_toggle_enabled(SilcServer server,
+ bool toggle_enabled);
+
+/* Removes servers that are originated from the `from'. The server
+ entry is deleted in this function. If `remove_clients' is TRUE then
+ all clients originated from the server are removed too, and server
+ signoff is sent. Note that this does not remove the `from'. This
+ also does not remove locally connected servers. */
+void silc_server_remove_servers_by_server(SilcServer server,
+ SilcServerEntry from,
+ bool remove_clients);
/* Removes channels that are from `from. */
-void silc_server_remove_channels_by_server(SilcServer server,
+void silc_server_remove_channels_by_server(SilcServer server,
SilcServerEntry from);
/* Updates channels that are from `from' to be originated from `to'. */
-void silc_server_update_channels_by_server(SilcServer server,
+void silc_server_update_channels_by_server(SilcServer server,
SilcServerEntry from,
SilcServerEntry to);
bool silc_server_channel_delete(SilcServer server,
SilcChannelEntry channel);
-/* Returns TRUE if the given client is on the channel. FALSE if not.
+/* Returns TRUE if the given client is on the channel. FALSE if not.
This works because we assure that the user list on the channel is
- always in up to date thus we can only check the channel list from
+ always in up to date thus we can only check the channel list from
`client' which is faster than checking the user list from `channel'. */
bool silc_server_client_on_channel(SilcClientEntry client,
SilcChannelEntry channel,
/* Checks string for bad characters and returns TRUE if they are found. */
bool silc_server_name_bad_chars(const char *name, SilcUInt32 name_len);
+bool silc_server_name_bad_chchars(const char *name, SilcUInt32 name_len);
/* Modifies the `nick' if it includes bad characters and returns new
allocated nickname that does not include bad characters. */
/* Find number of sockets by IP address indicated by remote host, indicated
by `ip' or `hostname', `port', and `type'. Returns 0 if socket connections
does not exist. If `ip' is provided then `hostname' is ignored. */
-SilcUInt32 silc_server_num_sockets_by_remote(SilcServer server,
+SilcUInt32 silc_server_num_sockets_by_remote(SilcServer server,
const char *ip,
const char *hostname,
SilcUInt16 port,
SilcSocketType type);
-/* Finds locally cached public key by the public key received in the SKE.
+/* Finds locally cached public key by the public key received in the SKE.
If we have it locally cached then we trust it and will use it in the
authentication protocol. Returns the locally cached public key or NULL
if we do not find the public key. */
-SilcPublicKey silc_server_find_public_key(SilcServer server,
+SilcPublicKey silc_server_find_public_key(SilcServer server,
SilcHashTable local_public_keys,
SilcPublicKey remote_public_key);
/* Check whether the connection `sock' is allowed to connect to us. This
checks for example whether there is too much connections for this host,
and required version for the host etc. */
-bool silc_server_connection_allowed(SilcServer server,
+bool silc_server_connection_allowed(SilcServer server,
SilcSocketConnection sock,
SilcSocketType type,
SilcServerConfigConnParams *global,
SilcSocketType type,
const char *ip, SilcUInt16 port);
+/* This function can be used to match the invite and ban lists. */
+bool silc_server_inviteban_match(SilcServer server, SilcHashTable list,
+ SilcUInt8 type, void *check);
+
+/* Process invite or ban information */
+void silc_server_inviteban_process(SilcServer server, SilcHashTable list,
+ SilcUInt8 action, SilcArgumentPayload args);
+
+/* Destructor for invite or ban list entrys */
+void silc_server_inviteban_destruct(void *key, void *context,
+ void *user_context);
+
+/* Creates connections according to configuration. */
+void silc_server_create_connections(SilcServer server);
+
+
+/* Processes a channel public key, either adds or removes it. */
+SilcStatus
+silc_server_process_channel_pk(SilcServer server,
+ SilcChannelEntry channel,
+ SilcUInt32 type, const unsigned char *pk,
+ SilcUInt32 pk_len);
+
+/* Returns the channel public keys as Argument List payload. */
+SilcBuffer silc_server_get_channel_pk_list(SilcServer server,
+ SilcChannelEntry channel,
+ bool announce,
+ bool delete);
+
+/* Sets the channel public keys into channel from the list of public keys. */
+SilcStatus silc_server_set_channel_pk_list(SilcServer server,
+ SilcSocketConnection sender,
+ SilcChannelEntry channel,
+ const unsigned char *pklist,
+ SilcUInt32 pklist_len);
+
+/* Verifies the Authentication Payload `auth' with one of the public keys
+ on the `channel' public key list. */
+bool silc_server_verify_channel_auth(SilcServer server,
+ SilcChannelEntry channel,
+ SilcClientID *client_id,
+ const unsigned char *auth,
+ SilcUInt32 auth_len);
+
#endif /* SERVER_UTIL_H */
projects / silc.git / blobdiff