Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2002 Pekka Riikonen
+ Copyright (C) 1997 - 2005 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
the cache. */
typedef struct {
SilcIDCache cache;
- SilcSchedule schedule;
SilcUInt32 timeout;
} *SilcIDListPurge;
/* Channel key re-key context. */
typedef struct {
- void *context;
SilcChannelEntry channel;
SilcUInt32 key_len;
SilcTask task;
void *context;
} *SilcServerRekey;
-/* ID List Entry status type and all the types. */
+/* ID List Entry status flags. */
typedef SilcUInt8 SilcIDListStatus;
-#define SILC_IDLIST_STATUS_NONE 0x00 /* No status */
-#define SILC_IDLIST_STATUS_REGISTERED 0x01 /* Entry is registered */
-#define SILC_IDLIST_STATUS_RESOLVED 0x02 /* Entry info is resolved */
-#define SILC_IDLIST_STATUS_RESOLVING 0x04 /* Entry is being resolved
- with WHOIS or IDENTIFY */
-#define SILC_IDLIST_STATUS_DISABLED 0x08 /* Entry is disabled */
-#define SILC_IDLIST_STATUS_RESUMED 0x10 /* Entry is resumed */
-#define SILC_IDLIST_STATUS_LOCAL 0x20 /* Entry locally connected */
+#define SILC_IDLIST_STATUS_NONE 0x00 /* No status */
+#define SILC_IDLIST_STATUS_REGISTERED 0x01 /* Entry is registered */
+#define SILC_IDLIST_STATUS_RESOLVED 0x02 /* Entry info is resolved */
+#define SILC_IDLIST_STATUS_RESOLVING 0x04 /* Entry is being resolved
+ with WHOIS or IDENTIFY */
+#define SILC_IDLIST_STATUS_DISABLED 0x08 /* Entry is disabled */
+#define SILC_IDLIST_STATUS_RESUMED 0x10 /* Entry is resumed */
+#define SILC_IDLIST_STATUS_LOCAL 0x20 /* Entry locally connected */
+#define SILC_IDLIST_STATUS_RESUME_RES 0x40 /* Entry resolved while
+ resuming */
+#define SILC_IDLIST_STATUS_NOATTR 0x80 /* Entry does not support
+ attributes in WHOIS */
/*
Generic ID list data structure.
SilcIDListStatus status; /* Status mask of the entry */
} *SilcIDListData, SilcIDListDataStruct;
-/*
+/*
SILC Server entry object.
- This entry holds information about servers in SILC network. However,
- contents of this entry is highly dependent of what kind of server we are
- (normal server or router server) and whether the entry is used as a local
+ This entry holds information about servers in SILC network. However,
+ contents of this entry is highly dependent of what kind of server we are
+ (normal server or router server) and whether the entry is used as a local
list or a global list. These factors dictates the contents of this entry.
This entry is defined as follows:
SilcServerEntry router
- This is a pointer back to the server list. This is the router server
- where this server is connected to. If this is the router itself and
+ This is a pointer back to the server list. This is the router server
+ where this server is connected to. If this is the router itself and
it doesn't have a route this is NULL.
SilcCipher send_key
the data used in connection with this server. This may be anything
but as just said, this is usually pointer to the socket connection
list.
-
+
*/
struct SilcServerEntryStruct {
/* Generic data structure. DO NOT add anything before this! */
void *connection;
};
-/*
+/*
SILC Channel Client entry structure.
This entry used only by the SilcChannelEntry object and it holds
SilcChannelEntry channel;
} *SilcChannelClientEntry;
-/*
+/*
SILC Client entry object.
This entry holds information about connected clients ie. users in the SILC
- network. The contents of this entrt is depended on whether we are normal
+ network. The contents of this entrt is depended on whether we are normal
server or router server and whether the list is a local or global list.
This entry is defined as follows:
unsigned char *nickname
- The nickname of the client.
+ The nickname of the client. This is nickname in original format,
+ not casefolded or normalized. However, it is checked to assure
+ that prohibited characters do not exist. The casefolded version
+ is in the ID Cache.
char *servername
router local list NULL
router global list NULL
- Router doesn't hold this information since it is not vital data
+ Router doesn't hold this information since it is not vital data
for the router. If this information is needed by the client it is
fetched when it is needed.
Information about user. This is free information and can be virtually
anything. This is defined in following manner:
-
+
Server type List type Contents
====================================================
server local list User's information
router local list NULL
router global list NULL
- Router doesn't hold this information since it is not vital data
+ Router doesn't hold this information since it is not vital data
for the router. If this information is needed by the client it is
fetched when it is needed.
ID of the client. This includes all the information SILC will ever
need. Notice that no nickname of the user is saved anywhere. This is
- beacuse of SilcClientID includes 88 bit hash value of the user's
- nickname which can be used to track down specific user by their
- nickname. Nickname is not relevant information that would need to be
+ beacuse of SilcClientID includes 88 bit hash value of the user's
+ nickname which can be used to track down specific user by their
+ nickname. Nickname is not relevant information that would need to be
saved as plain.
SilcUInt32 mode
SilcServerEntry router
- This is a pointer to the server list. This is the router server whose
- cell this client is coming from. This is used to route messages to
+ This is a pointer to the server list. This is the router server whose
+ cell this client is coming from. This is used to route messages to
this client.
SilcHashTable channels;
long last_command;
SilcUInt8 fast_command;
+ /* Requested Attributes */
+ unsigned char *attrs;
+ SilcUInt16 attrs_len;
+
/* Pointer to the router */
SilcServerEntry router;
/* Connection data */
void *connection;
- /* data.status is RESOLVING and this includes the resolving command
+ /* Last time updated/accessed */
+ unsigned long updated;
+
+ /* data.status is RESOLVING and this includes the resolving command
reply identifier. */
SilcUInt16 resolve_cmd_ident;
+
+ /* we need this so nobody can resume more than once at the same time -
+ * server crashes, really odd behaviour, ... */
+ SilcClientEntry resuming_client;
};
-/*
+/*
SILC Channel entry object.
- This entry holds information about channels in SILC network. The contents
- of this entry is depended on whether we are normal server or router server
+ This entry holds information about channels in SILC network. The contents
+ of this entry is depended on whether we are normal server or router server
and whether the list is a local or global list.
This entry is defined as follows:
char *channel_name
- Logical name of the channel.
+ Logical name of the channel. This is the original format, not
+ the casefolded or normalized. However, this is checked to assure
+ that prohibited characters do not exist. The casefolded version
+ is in the ID Cache.
SilcUInt32 mode
need.
bool global_users
-
+
Boolean value to tell whether there are users outside this server
on this channel. This is set to TRUE if router sends message to
the server that there are users outside your server on your
channel as well. This way server knows that messages needs to be
- sent to the router for further routing. If this is a normal
+ sent to the router for further routing. If this is a normal
server and this channel is not created on this server this field
is always TRUE. If this server is a router this field is ignored.
SilcServerEntry router
- This is a pointer to the server list. This is the router server
- whose cell this channel belongs to. This is used to route messages
+ This is a pointer to the server list. This is the router server
+ whose cell this channel belongs to. This is used to route messages
to this channel.
SilcCipher channel_key
char *cipher;
char *hmac_name;
SilcPublicKey founder_key;
+ SilcHashTable channel_pubkeys;
SilcUInt32 user_limit;
unsigned char *passphrase;
- char *invite_list;
- char *ban_list;
+ SilcHashTable invite_list;
+ SilcHashTable ban_list;
/* All users on this channel */
SilcHashTable user_list;
unsigned int users_resolved : 1;
};
-/*
+/*
SILC ID List object.
As for remainder these lists are defined as follows:
/*
ID Entry for Unknown connections.
- This is used during authentication phases where we still don't know
+ This is used during authentication phases where we still don't know
what kind of connection remote connection is, hence, we will use this
structure instead until we know what type of connection remote end is.
void silc_idlist_add_data(void *entry, SilcIDListData idata);
void silc_idlist_del_data(void *entry);
SILC_TASK_CALLBACK_GLOBAL(silc_idlist_purge);
-SilcServerEntry
-silc_idlist_add_server(SilcIDList id_list,
+SilcServerEntry
+silc_idlist_add_server(SilcIDList id_list,
char *server_name, int server_type,
SilcServerID *id, SilcServerEntry router,
void *connection);
SilcServerID *new_id);
int silc_idlist_del_server(SilcIDList id_list, SilcServerEntry entry);
SilcClientEntry
-silc_idlist_add_client(SilcIDList id_list, char *nickname, char *username,
- char *userinfo, SilcClientID *id,
+silc_idlist_add_client(SilcIDList id_list, char *nickname, char *username,
+ char *userinfo, SilcClientID *id,
SilcServerEntry router, void *connection,
int expire);
int silc_idlist_del_client(SilcIDList id_list, SilcClientEntry entry);
int silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
- char *server,
+ char *server,
SilcClientEntry **clients,
SilcUInt32 *clients_count);
int silc_idlist_get_clients_by_hash(SilcIDList id_list, char *nickname,