idlist.h
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 2001 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
(it receives its ID, for example, by IDENTIFY request) we create new
client entry. This entry also includes the private message keys if
they are used. */
-typedef struct SilcClientEntryStruct {
- char *nickname; /* nickname */
- char *username; /* username[@host] */
- char *server; /* SILC server name */
- char *realname;
- unsigned int num;
- SilcClientID *id;
-
- /* Keys, these are defined if private message key has been defined
- with the remote client. */
- SilcCipher send_key;
- SilcCipher receive_key;
+typedef struct {
+ char *nickname; /* nickname */
+ char *username; /* username */
+ char *hostname; /* hostname */
+ char *server; /* SILC server name */
+ char *realname; /* Realname (userinfo) */
+ uint32 num;
+ uint32 mode; /* User mode in SILC */
+ SilcClientID *id; /* The Client ID */
+ SilcCipher send_key; /* Private message key for sending */
+ SilcCipher receive_key; /* Private message key for receiving */
+ unsigned char *key; /* Set only if appliation provided the
+ key material. NULL if the library
+ generated the key. */
+ uint32 key_len;
+ int generated; /* TRUE if library generated the key */
+ SilcClientKeyAgreement ke; /* Current key agreement context or NULL */
} *SilcClientEntry;
/* Client and its mode on a channel */
typedef struct SilcChannelUserStruct {
SilcClientEntry client;
- unsigned int mode;
+ uint32 mode;
struct SilcChannelUserStruct *next;
} *SilcChannelUser;
+/* Structure to hold one channel private key. */
+typedef struct {
+ SilcCipher cipher; /* The cipher and key */
+ SilcHmac hmac; /* The HMAC and hmac key */
+ unsigned char *key; /* The key data */
+ uint32 key_len; /* The key length */
+} *SilcChannelPrivateKey;
+
/* Channel entry context. This is allocate for every channel client has
joined to. This includes for example the channel specific keys */
-/* XXX channel_key is the server generated key. Later this context must
- include the channel private key. */
typedef struct SilcChannelEntryStruct {
char *channel_name;
SilcChannelID *id;
- unsigned int mode;
+ uint32 mode;
int on_channel;
/* Joined clients */
SilcList clients;
/* Channel keys */
- SilcCipher channel_key;
- unsigned char *key;
- unsigned int key_len;
- unsigned char iv[SILC_CIPHER_MAX_IV_SIZE];
+ SilcCipher channel_key; /* The channel key */
+ unsigned char *key; /* Raw key data */
+ uint32 key_len;
+ unsigned char iv[SILC_CIPHER_MAX_IV_SIZE]; /* Current IV */
+ SilcHmac hmac; /* Current HMAC */
+ SilcDList private_keys; /* List of private keys or NULL */
+ SilcChannelPrivateKey curr_key; /* Current private key */
+
+ /* Old channel key is saved for a short period of time when rekey occurs
+ in case if someone is sending messages after the rekey encrypted with
+ the old key, we can still decrypt them. */
+ SilcCipher old_channel_key;
+ SilcHmac old_hmac;
+ SilcTask rekey_task;
} *SilcChannelEntry;
-/* Prototypes */
+/* Server entry context. This represents one server. When server information
+ is resolved with INFO command the server info is saved in this context.
+ Also the connected servers are saved here. */
+typedef struct {
+ char *server_name;
+ char *server_info;
+ SilcServerID *server_id;
+} *SilcServerEntry;
+
+/* Prototypes. These are used only by the library. Application should not
+ call these directly. */
+SilcClientEntry
+silc_client_add_client(SilcClient client, SilcClientConnection conn,
+ char *nickname, char *username,
+ char *userinfo, SilcClientID *id, uint32 mode);
+void silc_client_update_client(SilcClient client,
+ SilcClientConnection conn,
+ SilcClientEntry client_entry,
+ const char *nickname,
+ const char *username,
+ const char *userinfo,
+ uint32 mode);
+void silc_client_del_client_entry(SilcClient client,
+ SilcClientEntry client_entry);
SilcClientEntry silc_idlist_get_client(SilcClient client,
SilcClientConnection conn,
- char *nickname,
- char *server,
- unsigned int num);
-SilcClientEntry silc_idlist_get_client_by_id(SilcClient client,
- SilcClientConnection conn,
- SilcClientID *client_id,
- int query);
-SilcChannelEntry silc_idlist_get_channel(SilcClient client,
- SilcClientConnection conn,
- char *channel);
+ const char *nickname,
+ const char *format,
+ bool query);
+SilcChannelEntry silc_idlist_get_channel_by_id(SilcClient client,
+ SilcClientConnection conn,
+ SilcChannelID *channel_id,
+ int query);
+void silc_client_nickname_format(SilcClient client,
+ SilcClientConnection conn,
+ SilcClientEntry client_entry);
#endif