Merged silc_1_1_branch to trunk.

[silc.git] / apps / silcd / idlist.h

diff --git a/apps/silcd/idlist.h b/apps/silcd/idlist.h
index cfb46feaddf2847f56cea06e3aba6296646dfbd1..25705a9873d20bcda1fd76e17096ae062a7f6052 100644 (file)
--- a/apps/silcd/idlist.h
+++ b/apps/silcd/idlist.h
@@ -4,7 +4,7 @@
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 

-  Copyright (C) 1997 - 2003 Pekka Riikonen
+  Copyright (C) 1997 - 2005, 2007 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
 
   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


@@ -21,10 +21,7 @@
 #ifndef IDLIST_H
 #define IDLIST_H
 
 #ifndef IDLIST_H
 #define IDLIST_H
 

-/* Forward declarations */
-typedef struct SilcServerEntryStruct *SilcServerEntry;
-typedef struct SilcClientEntryStruct *SilcClientEntry;
-typedef struct SilcChannelEntryStruct *SilcChannelEntry;
+#include "serverconfig.h"

 
 /* Context for holding cache information to periodically purge
    the cache. */
 
 /* Context for holding cache information to periodically purge
    the cache. */


@@ -40,18 +37,6 @@ typedef struct {
   SilcTask task;
 } *SilcServerChannelRekey;
 
   SilcTask task;
 } *SilcServerChannelRekey;
 

-/* Generic rekey context for connections */
-typedef struct {
-  /* Current sending encryption key, provided for re-key. The `pfs'
-     is TRUE if the Perfect Forward Secrecy is performed in re-key. */
-  unsigned char *send_enc_key;
-  SilcUInt32 enc_key_len;
-  int ske_group;
-  bool pfs;
-  SilcUInt32 timeout;
-  void *context;
-} *SilcServerRekey;
-

 /* ID List Entry status flags. */
 typedef SilcUInt8 SilcIDListStatus;
 #define SILC_IDLIST_STATUS_NONE         0x00  /* No status */
 /* ID List Entry status flags. */
 typedef SilcUInt8 SilcIDListStatus;
 #define SILC_IDLIST_STATUS_NONE         0x00  /* No status */


@@ -80,36 +65,23 @@ typedef SilcUInt8 SilcIDListStatus;
    Note that some of the fields may be NULL.
 
 */
    Note that some of the fields may be NULL.
 
 */

-typedef struct {
-  /* Send and receive symmetric keys */
-  SilcCipher send_key;
-  SilcCipher receive_key;
-
-  /* HMAC */
-  SilcHmac hmac_send;
-  SilcHmac hmac_receive;
-
-  /* Packet sequence numbers */
-  SilcUInt32 psn_send;
-  SilcUInt32 psn_receive;
-
-  /* Hash selected in the SKE protocol, NULL if not needed at all */
+struct SilcIDListDataObject {
+  SilcConnectionType conn_type;      /* Connection type */
+  SilcServerConnection sconn;       /* Connection context */
+  SilcSKERekeyMaterial rekey;       /* Rekey material */

   SilcHash hash;
 
   /* Public key */
   SilcPublicKey public_key;
   unsigned char fingerprint[20];
 
   SilcHash hash;
 
   /* Public key */
   SilcPublicKey public_key;
   unsigned char fingerprint[20];
 

-  /* Re-key context */
-  SilcServerRekey rekey;
-

   long last_receive;           /* Time last received data */
   long last_sent;              /* Time last sent data */
 
   unsigned long created;       /* Time when entry was created */
 
   SilcIDListStatus status;     /* Status mask of the entry */
   long last_receive;           /* Time last received data */
   long last_sent;              /* Time last sent data */
 
   unsigned long created;       /* Time when entry was created */
 
   SilcIDListStatus status;     /* Status mask of the entry */

-} *SilcIDListData, SilcIDListDataStruct;
+};

 
 /*
    SILC Server entry object.
 
 /*
    SILC Server entry object.


@@ -190,6 +162,9 @@ struct SilcServerEntryStruct {
 
   /* Connection data */
   void *connection;
 
   /* Connection data */
   void *connection;

+
+  void *backup_proto;
+  unsigned int backup  : 1;    /* Set when executing backup protocol */

 };
 
 /*
 };
 
 /*


@@ -244,7 +219,10 @@ typedef struct SilcChannelClientEntryStruct {
 
    unsigned char *nickname
 
 
    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
 
 
    char *servername
 


@@ -366,6 +344,10 @@ struct SilcClientEntryStruct {
   /* data.status is RESOLVING and this includes the resolving command
      reply identifier. */
   SilcUInt16 resolve_cmd_ident;
   /* 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;

 };
 
 /*
 };
 
 /*


@@ -388,7 +370,10 @@ struct SilcClientEntryStruct {
 
    char *channel_name
 
 
    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
 
 
    SilcUInt32 mode
 


@@ -400,7 +385,7 @@ struct SilcClientEntryStruct {
        ID of the channel. This includes all the information SILC will ever
        need.
 
        ID of the channel. This includes all the information SILC will ever
        need.
 

-   bool global_users
+   SilcBool 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
 
        Boolean value to tell whether there are users outside this server
        on this channel. This is set to TRUE if router sends message to


@@ -442,7 +427,8 @@ struct SilcClientEntryStruct {
        whose cell this channel belongs to. This is used to route messages
        to this channel.
 
        whose cell this channel belongs to. This is used to route messages
        to this channel.
 

-   SilcCipher channel_key
+   SilcCipher send_key
+   SilcCipher receive_key

 
        The key of the channel (the cipher actually).
 
 
        The key of the channel (the cipher actually).
 


@@ -488,7 +474,8 @@ struct SilcChannelEntryStruct {
   SilcServerEntry router;
 
   /* Channel keys */
   SilcServerEntry router;
 
   /* Channel keys */

-  SilcCipher channel_key;
+  SilcCipher send_key;
+  SilcCipher receive_key;

   unsigned char *key;
   SilcUInt32 key_len;
   SilcHmac hmac;
   unsigned char *key;
   SilcUInt32 key_len;
   SilcHmac hmac;


@@ -539,11 +526,11 @@ struct SilcChannelEntryStruct {
    channel entry).
 
 */
    channel entry).
 
 */

-typedef struct SilcIDListStruct {
+struct SilcIDListStruct {

   SilcIDCache servers;
   SilcIDCache clients;
   SilcIDCache channels;
   SilcIDCache servers;
   SilcIDCache clients;
   SilcIDCache channels;

-} *SilcIDList;
+};

 
 /*
    ID Entry for Unknown connections.
 
 /*
    ID Entry for Unknown connections.


@@ -559,12 +546,20 @@ typedef struct SilcIDListStruct {
 typedef struct {
   /* Generic data structure. DO NOT add anything before this! */
   SilcIDListDataStruct data;
 typedef struct {
   /* Generic data structure. DO NOT add anything before this! */
   SilcIDListDataStruct data;

+  SilcAsyncOperation op;
+  SilcServerConfigRef cconfig;
+  SilcServerConfigRef sconfig;
+  SilcServerConfigRef rconfig;
+  SilcServer server;
+  const char *hostname;
+  const char *ip;
+  SilcUInt16 port;

 } *SilcUnknownEntry;
 
 /* Prototypes */
 void silc_idlist_add_data(void *entry, SilcIDListData idata);
 void silc_idlist_del_data(void *entry);
 } *SilcUnknownEntry;
 
 /* Prototypes */
 void silc_idlist_add_data(void *entry, SilcIDListData idata);
 void silc_idlist_del_data(void *entry);

-SILC_TASK_CALLBACK_GLOBAL(silc_idlist_purge);
+SILC_TASK_CALLBACK(silc_idlist_purge);

 SilcServerEntry
 silc_idlist_add_server(SilcIDList id_list,
                       char *server_name, int server_type,
 SilcServerEntry
 silc_idlist_add_server(SilcIDList id_list,
                       char *server_name, int server_type,


@@ -572,46 +567,56 @@ silc_idlist_add_server(SilcIDList id_list,
                       void *connection);
 SilcServerEntry
 silc_idlist_find_server_by_id(SilcIDList id_list, SilcServerID *id,
                       void *connection);
 SilcServerEntry
 silc_idlist_find_server_by_id(SilcIDList id_list, SilcServerID *id,

-                             bool registered, SilcIDCacheEntry *ret_entry);
+                             SilcBool registered, SilcIDCacheEntry *ret_entry);

 SilcServerEntry
 silc_idlist_find_server_by_name(SilcIDList id_list, char *name,
 SilcServerEntry
 silc_idlist_find_server_by_name(SilcIDList id_list, char *name,

-                               bool registered, SilcIDCacheEntry *ret_entry);
+                               SilcBool registered, SilcIDCacheEntry *ret_entry);

 SilcServerEntry
 silc_idlist_find_server_by_conn(SilcIDList id_list, char *hostname,
 SilcServerEntry
 silc_idlist_find_server_by_conn(SilcIDList id_list, char *hostname,

-                               int port, bool registered,
+                               int port, SilcBool registered,

                                SilcIDCacheEntry *ret_entry);
 SilcServerEntry
 silc_idlist_replace_server_id(SilcIDList id_list, SilcServerID *old_id,
                              SilcServerID *new_id);
 int silc_idlist_del_server(SilcIDList id_list, SilcServerEntry entry);
                                SilcIDCacheEntry *ret_entry);
 SilcServerEntry
 silc_idlist_replace_server_id(SilcIDList id_list, SilcServerID *old_id,
                              SilcServerID *new_id);
 int silc_idlist_del_server(SilcIDList id_list, SilcServerEntry entry);

+void silc_idlist_server_destructor(SilcIDCache cache,
+                                  SilcIDCacheEntry entry,
+                                  void *dest_context,
+                                  void *app_context);

 SilcClientEntry
 silc_idlist_add_client(SilcIDList id_list, char *nickname, char *username,
                       char *userinfo, SilcClientID *id,
 SilcClientEntry
 silc_idlist_add_client(SilcIDList id_list, char *nickname, char *username,
                       char *userinfo, SilcClientID *id,

-                      SilcServerEntry router, void *connection,
-                      int expire);
+                      SilcServerEntry router, void *connection);

 int silc_idlist_del_client(SilcIDList id_list, SilcClientEntry entry);
 int silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
                                        char *server,
                                        SilcClientEntry **clients,
                                        SilcUInt32 *clients_count);
 int silc_idlist_del_client(SilcIDList id_list, SilcClientEntry entry);
 int silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
                                        char *server,
                                        SilcClientEntry **clients,
                                        SilcUInt32 *clients_count);

-int silc_idlist_get_clients_by_hash(SilcIDList id_list, char *nickname,
+int silc_idlist_get_clients_by_hash(SilcIDList id_list,
+                                   char *nickname, char *server,

                                    SilcHash md5hash,
                                    SilcClientEntry **clients,
                                    SilcUInt32 *clients_count);
 SilcClientEntry
 silc_idlist_find_client_by_id(SilcIDList id_list, SilcClientID *id,
                                    SilcHash md5hash,
                                    SilcClientEntry **clients,
                                    SilcUInt32 *clients_count);
 SilcClientEntry
 silc_idlist_find_client_by_id(SilcIDList id_list, SilcClientID *id,

-                             bool registered, SilcIDCacheEntry *ret_entry);
+                             SilcBool registered, SilcIDCacheEntry *ret_entry);

 SilcClientEntry
 silc_idlist_replace_client_id(SilcServer server,
                              SilcIDList id_list, SilcClientID *old_id,
                              SilcClientID *new_id, const char *nickname);
 void silc_idlist_client_destructor(SilcIDCache cache,
 SilcClientEntry
 silc_idlist_replace_client_id(SilcServer server,
                              SilcIDList id_list, SilcClientID *old_id,
                              SilcClientID *new_id, const char *nickname);
 void silc_idlist_client_destructor(SilcIDCache cache,

-                                  SilcIDCacheEntry entry);
+                                  SilcIDCacheEntry entry,
+                                  void *dest_context,
+                                  void *app_context);

 SilcChannelEntry
 silc_idlist_add_channel(SilcIDList id_list, char *channel_name, int mode,
                        SilcChannelID *id, SilcServerEntry router,
 SilcChannelEntry
 silc_idlist_add_channel(SilcIDList id_list, char *channel_name, int mode,
                        SilcChannelID *id, SilcServerEntry router,

-                       SilcCipher channel_key, SilcHmac hmac,
-                       int expire);
+                       SilcCipher send_key, SilcCipher receive_key,
+                       SilcHmac hmac);
+void silc_idlist_channel_destructor(SilcIDCache cache,
+                                   SilcIDCacheEntry entry,
+                                   void *dest_context,
+                                   void *app_context);

 int silc_idlist_del_channel(SilcIDList id_list, SilcChannelEntry entry);
 SilcChannelEntry
 silc_idlist_find_channel_by_name(SilcIDList id_list, char *name,
 int silc_idlist_del_channel(SilcIDList id_list, SilcChannelEntry entry);
 SilcChannelEntry
 silc_idlist_find_channel_by_name(SilcIDList id_list, char *name,