updates.
[silc.git] / apps / silcd / server.c
index c2dd90f453139ed9dc1cac2b3ac3621441781b40..427bbdf3c74f613f36991320dc2cde049c7d8343 100644 (file)
@@ -120,6 +120,16 @@ int silc_server_init(SilcServer server)
   assert(server);
   assert(server->config);
 
+  /* Set public and private keys */
+  if (!server->config->server_keys ||
+      !server->config->server_keys->public_key || 
+      !server->config->server_keys->private_key) {
+    SILC_LOG_ERROR(("Server public key and/or private key does not exist"));
+    return FALSE;
+  }
+  server->public_key = server->config->server_keys->public_key;
+  server->private_key = server->config->server_keys->private_key;
+
   /* XXX After server is made as Silc Server Library this can be given
      as argument, for now this is hard coded */
   server->params = silc_calloc(1, sizeof(*server->params));
@@ -152,58 +162,6 @@ int silc_server_init(SilcServer server)
   /* Initialize none cipher */
   silc_cipher_alloc("none", &server->none_cipher);
 
-  /* XXXXX Generate RSA key pair */
-  {
-    unsigned char *public_key;
-    unsigned char *private_key;
-    uint32 pk_len, prv_len;
-    struct stat st;
-
-    if (stat("pubkey.pub", &st) < 0 && stat("privkey.prv", &st) < 0) {
-
-      if (silc_pkcs_alloc("rsa", &server->pkcs) == FALSE) {
-       SILC_LOG_ERROR(("Could not create RSA key pair"));
-       goto err0;
-      }
-      
-      if (server->pkcs->pkcs->init(server->pkcs->context, 
-                                  1024, server->rng) == FALSE) {
-       SILC_LOG_ERROR(("Could not generate RSA key pair"));
-       goto err0;
-      }
-      
-      public_key = server->pkcs->pkcs->get_public_key(server->pkcs->context,
-                                                     &pk_len);
-      private_key = server->pkcs->pkcs->get_private_key(server->pkcs->context,
-                                                       &prv_len);
-      
-      SILC_LOG_HEXDUMP(("public key"), public_key, pk_len);
-      SILC_LOG_HEXDUMP(("private key"), private_key, prv_len);
-      
-      server->public_key = 
-       silc_pkcs_public_key_alloc("rsa", "UN=root, HN=dummy",
-                                  public_key, pk_len);
-      server->private_key = 
-       silc_pkcs_private_key_alloc("rsa", private_key, prv_len);
-      
-      /* XXX Save keys */
-      silc_pkcs_save_public_key("pubkey.pub", server->public_key,
-                               SILC_PKCS_FILE_PEM);
-      silc_pkcs_save_private_key("privkey.prv", server->private_key, NULL,
-                                SILC_PKCS_FILE_BIN);
-
-      memset(public_key, 0, pk_len);
-      memset(private_key, 0, prv_len);
-      silc_free(public_key);
-      silc_free(private_key);
-    } else {
-      silc_pkcs_load_public_key("pubkey.pub", &server->public_key,
-                               SILC_PKCS_FILE_PEM);
-      silc_pkcs_load_private_key("privkey.prv", &server->private_key,
-                                SILC_PKCS_FILE_BIN);
-    }
-  }
-
   /* Create a listening server. Note that our server can listen on
      multiple ports. All listeners are created here and now. */
   /* XXX Still check this whether to use server_info or listen_port. */
@@ -224,17 +182,17 @@ int silc_server_init(SilcServer server)
 
   /* Initialize ID caches */
   server->local_list->clients = 
-    silc_idcache_alloc(0, silc_idlist_client_destructor);
-  server->local_list->servers = silc_idcache_alloc(0, NULL);
-  server->local_list->channels = silc_idcache_alloc(0, NULL);
+    silc_idcache_alloc(0, SILC_ID_CLIENT, silc_idlist_client_destructor);
+  server->local_list->servers = silc_idcache_alloc(0, SILC_ID_SERVER, NULL);
+  server->local_list->channels = silc_idcache_alloc(0, SILC_ID_CHANNEL, NULL);
 
   /* These are allocated for normal server as well as these hold some 
      global information that the server has fetched from its router. For 
      router these are used as they are supposed to be used on router. */
   server->global_list->clients = 
-    silc_idcache_alloc(0, silc_idlist_client_destructor);
-  server->global_list->servers = silc_idcache_alloc(0, NULL);
-  server->global_list->channels = silc_idcache_alloc(0, NULL);
+    silc_idcache_alloc(0, SILC_ID_CLIENT, silc_idlist_client_destructor);
+  server->global_list->servers = silc_idcache_alloc(0, SILC_ID_SERVER, NULL);
+  server->global_list->channels = silc_idcache_alloc(0, SILC_ID_CHANNEL, NULL);
 
   /* Allocate the entire socket list that is used in server. Eventually 
      all connections will have entry in this table (it is a table of 
@@ -258,7 +216,7 @@ int silc_server_init(SilcServer server)
     
     server->id = id;
     server->id_string = silc_id_id2str(id, SILC_ID_SERVER);
-    server->id_string_len = silc_id_get_len(SILC_ID_SERVER);
+    server->id_string_len = silc_id_get_len(id, SILC_ID_SERVER);
     server->id_type = SILC_ID_SERVER;
     server->server_name = server->config->server_info->server_name;
 
@@ -281,6 +239,23 @@ int silc_server_init(SilcServer server)
                      &newsocket);
 
     server->sockets[sock[i]] = newsocket;
+    
+    /* Perform name and address lookups to resolve the listenning address
+       and port. */
+    if (!silc_net_check_local_by_sock(sock[i], &newsocket->hostname, 
+                                    &newsocket->ip)) {
+      if ((server->params->require_reverse_mapping && !newsocket->hostname) ||
+         !newsocket->ip) {
+       SILC_LOG_ERROR(("IP/DNS lookup failed for local host %s",
+                       newsocket->hostname ? newsocket->hostname :
+                       newsocket->ip ? newsocket->ip : ""));
+       server->stat.conn_failures++;
+       goto err0;
+      }
+      if (!newsocket->hostname)
+       newsocket->hostname = strdup(newsocket->ip);
+    }
+    newsocket->port = silc_net_get_local_port(sock[i]);
 
     /* Put the allocated socket pointer also to the entry allocated above 
        for fast back-referencing to the socket list. */
@@ -558,6 +533,9 @@ SILC_TASK_CALLBACK(silc_server_connect_router)
   SilcServerKEInternalContext *proto_ctx;
   int sock;
 
+  SILC_LOG_INFO(("Connecting to the router %s on port %d", 
+                sconn->remote_host, sconn->remote_port));
+
   /* Connect to remote host */
   sock = silc_net_create_connection(sconn->remote_port, 
                                    sconn->remote_host);
@@ -850,6 +828,7 @@ SILC_TASK_CALLBACK(silc_server_connect_to_router_final)
   SilcBuffer packet;
   SilcServerHBContext hb_context;
   unsigned char *id_string;
+  uint32 id_len;
   SilcIDListData idata;
 
   SILC_LOG_DEBUG(("Start"));
@@ -878,12 +857,12 @@ SILC_TASK_CALLBACK(silc_server_connect_to_router_final)
   /* Send NEW_SERVER packet to the router. We will become registered
      to the SILC network after sending this packet. */
   id_string = silc_id_id2str(server->id, SILC_ID_SERVER);
-  packet = silc_buffer_alloc(2 + 2 + SILC_ID_SERVER_LEN + 
-                            strlen(server->server_name));
+  id_len = silc_id_get_len(server->id, SILC_ID_SERVER);
+  packet = silc_buffer_alloc(2 + 2 + id_len + strlen(server->server_name));
   silc_buffer_pull_tail(packet, SILC_BUFFER_END(packet));
   silc_buffer_format(packet,
-                    SILC_STR_UI_SHORT(SILC_ID_SERVER_LEN),
-                    SILC_STR_UI_XNSTRING(id_string, SILC_ID_SERVER_LEN),
+                    SILC_STR_UI_SHORT(id_len),
+                    SILC_STR_UI_XNSTRING(id_string, id_len),
                     SILC_STR_UI_SHORT(strlen(server->server_name)),
                     SILC_STR_UI_XNSTRING(server->server_name,
                                          strlen(server->server_name)),
@@ -899,7 +878,7 @@ SILC_TASK_CALLBACK(silc_server_connect_to_router_final)
 
   /* Add the connected router to local server list */
   server->standalone = FALSE;
-  id_entry = silc_idlist_add_server(server->local_list, sock->hostname,
+  id_entry = silc_idlist_add_server(server->local_list, strdup(sock->hostname),
                                    SILC_ROUTER, ctx->dest_id, NULL, sock);
   if (!id_entry) {
     if (ctx->dest_id)
@@ -968,7 +947,9 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection)
   SilcServer server = (SilcServer)context;
   SilcSocketConnection newsocket;
   SilcServerKEInternalContext *proto_ctx;
-  int sock;
+  int sock, port;
+  void *cconfig, *sconfig, *rconfig;
+  SilcServerConfigSectionDenyConnection *deny;
 
   SILC_LOG_DEBUG(("Accepting new connection"));
 
@@ -1001,16 +982,74 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection)
      process. Either we have to do our own resolver stuff or in the future
      we can use threads. */
   /* Perform name and address lookups for the remote host. */
-  silc_net_check_host_by_sock(sock, &newsocket->hostname, &newsocket->ip);
-  if ((server->params->require_reverse_mapping && !newsocket->hostname) ||
-      !newsocket->ip) {
-    SILC_LOG_ERROR(("IP/DNS lookup failed"));
+  if (!silc_net_check_host_by_sock(sock, &newsocket->hostname, 
+                                  &newsocket->ip)) {
+    if ((server->params->require_reverse_mapping && !newsocket->hostname) ||
+       !newsocket->ip) {
+      SILC_LOG_ERROR(("IP/DNS lookup failed %s",
+                     newsocket->hostname ? newsocket->hostname :
+                     newsocket->ip ? newsocket->ip : ""));
+      server->stat.conn_failures++;
+      return;
+    }
+    if (!newsocket->hostname)
+      newsocket->hostname = strdup(newsocket->ip);
+  }
+  newsocket->port = silc_net_get_remote_port(sock);
+
+  /* Register the connection for network input and output. This sets
+     that scheduler will listen for incoming packets for this connection 
+     and sets that outgoing packets may be sent to this connection as well.
+     However, this doesn't set the scheduler for outgoing traffic, it
+     will be set separately by calling SILC_SET_CONNECTION_FOR_OUTPUT,
+     later when outgoing data is available. */
+  SILC_REGISTER_CONNECTION_FOR_IO(sock);
+
+  port = server->sockets[fd]->port; /* Listenning port */
+
+  /* Check whether this connection is denied to connect to us. */
+  deny = silc_server_config_denied_conn(server->config, newsocket->ip, port);
+  if (!deny)
+    deny = silc_server_config_denied_conn(server->config, newsocket->hostname,
+                                         port);
+  if (deny) {
+    /* The connection is denied */
+    silc_server_disconnect_remote(server, newsocket, deny->comment ?
+                                 deny->comment :
+                                 "Server closed connection: "
+                                 "Connection refused");
     server->stat.conn_failures++;
     return;
   }
-  if (!newsocket->hostname)
-    newsocket->hostname = strdup(newsocket->ip);
-  newsocket->port = silc_net_get_remote_port(sock);
+
+  /* Check whether we have configred this sort of connection at all. We
+     have to check all configurations since we don't know what type of
+     connection this is. */
+  if (!(cconfig = silc_server_config_find_client_conn(server->config,
+                                                     newsocket->ip, port)))
+    cconfig = silc_server_config_find_client_conn(server->config,
+                                                 newsocket->hostname, 
+                                                 port);
+  if (!(sconfig = silc_server_config_find_server_conn(server->config,
+                                                    newsocket->ip, 
+                                                    port)))
+    sconfig = silc_server_config_find_server_conn(server->config,
+                                                 newsocket->hostname,
+                                                 port);
+  if (!(rconfig = silc_server_config_find_router_conn(server->config,
+                                                    newsocket->ip, port)))
+    rconfig = silc_server_config_find_router_conn(server->config,
+                                                 newsocket->hostname, 
+                                                 port);
+  if (!cconfig && !sconfig && !rconfig) {
+    silc_server_disconnect_remote(server, newsocket, 
+                                 "Server closed connection: "
+                                 "Connection refused");
+    server->stat.conn_failures++;
+    return;
+  }
+
+  /* The connection is allowed */
 
   SILC_LOG_INFO(("Incoming connection from %s (%s)", newsocket->hostname,
                 newsocket->ip));
@@ -1022,6 +1061,9 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection)
   proto_ctx->sock = newsocket;
   proto_ctx->rng = server->rng;
   proto_ctx->responder = TRUE;
+  proto_ctx->cconfig = cconfig;
+  proto_ctx->sconfig = sconfig;
+  proto_ctx->rconfig = rconfig;
 
   /* Prepare the connection for key exchange protocol. We allocate the
      protocol but will not start it yet. The connector will be the
@@ -1042,14 +1084,6 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection)
                       context, 60, 0,
                       SILC_TASK_TIMEOUT,
                       SILC_TASK_PRI_LOW);
-
-  /* Register the connection for network input and output. This sets
-     that scheduler will listen for incoming packets for this connection 
-     and sets that outgoing packets may be sent to this connection as well.
-     However, this doesn't set the scheduler for outgoing traffic, it
-     will be set separately by calling SILC_SET_CONNECTION_FOR_OUTPUT,
-     later when outgoing data is available. */
-  SILC_REGISTER_CONNECTION_FOR_IO(sock);
 }
 
 /* Second part of accepting new connection. Key exchange protocol has been
@@ -1128,6 +1162,9 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_second)
   proto_ctx->responder = TRUE;
   proto_ctx->dest_id_type = ctx->dest_id_type;
   proto_ctx->dest_id = ctx->dest_id;
+  proto_ctx->cconfig = ctx->cconfig;
+  proto_ctx->sconfig = ctx->sconfig;
+  proto_ctx->rconfig = ctx->rconfig;
 
   /* Free old protocol as it is finished now */
   silc_protocol_free(protocol);
@@ -1207,7 +1244,7 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
         and other information is created after we have received NEW_CLIENT
         packet from client. */
       client = silc_idlist_add_client(server->local_list, 
-                                     NULL, 0, NULL, NULL, NULL, NULL, sock);
+                                     NULL, NULL, NULL, NULL, NULL, sock);
       if (!client) {
        SILC_LOG_ERROR(("Could not add new client to cache"));
        silc_free(sock->user_data);
@@ -1227,6 +1264,8 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
   case SILC_SOCKET_TYPE_ROUTER:
     {
       SilcServerEntry new_server;
+      SilcServerConfigSectionServerConnection *conn = 
+       sock->type == SILC_SOCKET_TYPE_SERVER ? ctx->sconfig : ctx->rconfig;
 
       SILC_LOG_DEBUG(("Remote host is %s", 
                      sock->type == SILC_SOCKET_TYPE_SERVER ? 
@@ -1259,12 +1298,14 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
       server->stat.servers++;
 
       id_entry = (void *)new_server;
-      
-      /* There is connection to other server now, if it is router then
-        we will have connection to outside world.  If we are router but
-        normal server connected to us then we will remain standalone,
-        if we are standlone. */
+
+      /* Check whether this connection is to be our primary router connection
+        if we dont' already have the primary route. */
       if (server->standalone && sock->type == SILC_SOCKET_TYPE_ROUTER) {
+       if (silc_server_config_is_primary_route(server->config) &&
+           !conn->initiator)
+         break;
+
        SILC_LOG_DEBUG(("We are not standalone server anymore"));
        server->standalone = FALSE;
        if (!server->id_entry->router) {
@@ -1272,6 +1313,7 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
          server->router = id_entry;
        }
       }
+
       break;
     }
   default:
@@ -1340,7 +1382,8 @@ SILC_TASK_CALLBACK(silc_server_packet_process)
     if (sock->outbuf->data - sock->outbuf->head)
      silc_buffer_push(sock->outbuf, sock->outbuf->data - sock->outbuf->head);
 
-    ret = silc_server_packet_send_real(server, sock, TRUE);
+    /* Send the packet */
+    ret = silc_packet_send(sock, TRUE);
 
     /* If returned -2 could not write to connection now, will do
        it later. */
@@ -1414,7 +1457,7 @@ SILC_TASK_CALLBACK(silc_server_packet_process)
   if (idata) {
     idata->last_receive = time(NULL);
     cipher = idata->receive_key;
-    hmac = idata->hmac;
+    hmac = idata->hmac_receive;
   }
  
   /* Process the packet. This will call the parser that will then
@@ -1456,7 +1499,7 @@ static int silc_server_packet_decrypt_check(SilcPacketType packet_type,
 
   return FALSE;
 }
-
+  
 /* Parses whole packet, received earlier. */
 
 SILC_TASK_CALLBACK(silc_server_packet_parse_real)
@@ -1465,12 +1508,14 @@ SILC_TASK_CALLBACK(silc_server_packet_parse_real)
   SilcServer server = (SilcServer)parse_ctx->context;
   SilcSocketConnection sock = parse_ctx->sock;
   SilcPacketContext *packet = parse_ctx->packet;
+  SilcIDListData idata = (SilcIDListData)sock->user_data;
   int ret;
 
   SILC_LOG_DEBUG(("Start"));
 
   /* Decrypt the received packet */
-  ret = silc_packet_decrypt(parse_ctx->cipher, parse_ctx->hmac, 
+  ret = silc_packet_decrypt(idata ? idata->receive_key : NULL, 
+                           idata ? idata->hmac_receive : NULL, 
                            packet->buffer, packet,
                            silc_server_packet_decrypt_check, parse_ctx);
   if (ret < 0)
@@ -1494,7 +1539,7 @@ SILC_TASK_CALLBACK(silc_server_packet_parse_real)
     if (client && client->id) {
       void *id = silc_id_str2id(packet->src_id, packet->src_id_len,
                                packet->src_id_type);
-      if (SILC_ID_CLIENT_COMPARE(client->id, id)) {
+      if (!id || !SILC_ID_CLIENT_COMPARE(client->id, id)) {
        silc_free(id);
        goto out;
       }
@@ -1505,9 +1550,10 @@ SILC_TASK_CALLBACK(silc_server_packet_parse_real)
   if (server->server_type == SILC_ROUTER) {
     /* Route the packet if it is not destined to us. Other ID types but
        server are handled separately after processing them. */
-    if (packet->dst_id_type == SILC_ID_SERVER && 
+    if (!(packet->flags & SILC_PACKET_FLAG_BROADCAST) &&
+       packet->dst_id_type == SILC_ID_SERVER && 
        sock->type != SILC_SOCKET_TYPE_CLIENT &&
-       SILC_ID_SERVER_COMPARE(packet->dst_id, server->id_string)) {
+       memcmp(packet->dst_id, server->id_string, packet->dst_id_len)) {
       
       /* Route the packet to fastest route for the destination ID */
       void *id = silc_id_str2id(packet->dst_id, packet->dst_id_len, 
@@ -1521,18 +1567,21 @@ SILC_TASK_CALLBACK(silc_server_packet_parse_real)
       silc_free(id);
       goto out;
     }
-    
+  }
+
+  /* Parse the incoming packet type */
+  silc_server_packet_parse_type(server, sock, packet);
+
+  if (server->server_type == SILC_ROUTER) {
     /* Broadcast packet if it is marked as broadcast packet and it is
        originated from router and we are router. */
     if (sock->type == SILC_SOCKET_TYPE_ROUTER &&
-       packet->flags & SILC_PACKET_FLAG_BROADCAST) {
+       packet->flags & SILC_PACKET_FLAG_BROADCAST &&
+       !server->standalone) {
       silc_server_packet_broadcast(server, server->router->connection, packet);
     }
   }
 
-  /* Parse the incoming packet type */
-  silc_server_packet_parse_type(server, sock, packet);
-
  out:
   /*  silc_buffer_clear(sock->inbuf); */
   silc_packet_context_free(packet);
@@ -1548,8 +1597,8 @@ void silc_server_packet_parse(SilcPacketParserContext *parser_context)
   SilcSocketConnection sock = parser_context->sock;
 
   switch (sock->type) {
-  case SILC_SOCKET_TYPE_CLIENT:
   case SILC_SOCKET_TYPE_UNKNOWN:
+  case SILC_SOCKET_TYPE_CLIENT:
     /* Parse the packet with timeout */
     silc_task_register(server->timeout_queue, sock->sock,
                       silc_server_packet_parse_real,
@@ -1983,8 +2032,7 @@ void silc_server_packet_parse_type(SilcServer server,
 
       /* Let the protocol handle the packet */
       sock->protocol->execute(server->timeout_queue, 0, 
-                             sock->protocol, sock->sock,
-                             0, 100000);
+                             sock->protocol, sock->sock, 0, 0);
     } else {
       SILC_LOG_ERROR(("Received Re-key done packet but no re-key "
                      "protocol active, packet dropped."));
@@ -2027,7 +2075,12 @@ SILC_TASK_CALLBACK(silc_server_close_connection_final)
 void silc_server_close_connection(SilcServer server,
                                  SilcSocketConnection sock)
 {
-  SILC_LOG_DEBUG(("Closing connection %d", sock->sock));
+  SILC_LOG_INFO(("Closing connection %s:%d [%s] (%d)", sock->hostname,
+                sock->port,  
+                (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+                 sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+                 sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+                 "Router"), sock->sock));
 
   /* We won't listen for this connection anymore */
   silc_schedule_unset_listen_fd(sock->sock);
@@ -2116,7 +2169,7 @@ void silc_server_free_client_data(SilcServer server,
     if (sock->outbuf->data - sock->outbuf->head)
      silc_buffer_push(sock->outbuf, sock->outbuf->data - sock->outbuf->head);
 
-    silc_server_packet_send_real(server, sock, TRUE);
+    silc_packet_send(sock, TRUE);
 
     SILC_SET_CONNECTION_FOR_INPUT(sock->sock);
     SILC_UNSET_OUTBUF_PENDING(sock);
@@ -2127,8 +2180,7 @@ void silc_server_free_client_data(SilcServer server,
   if (notify && !server->standalone && server->router)
     silc_server_send_notify_signoff(server, server->router->connection,
                                    server->server_type == SILC_SERVER ?
-                                   FALSE : TRUE, client->id, 
-                                   SILC_ID_CLIENT_LEN, signoff);
+                                   FALSE : TRUE, client->id, signoff);
 
   /* Remove client from all channels */
   if (notify)
@@ -2178,7 +2230,8 @@ void silc_server_free_sock_user_data(SilcServer server,
 
       /* Free all client entries that this server owns as they will
         become invalid now as well. */
-      silc_server_remove_clients_by_server(server, user_data, TRUE);
+      if (user_data->id)
+       silc_server_remove_clients_by_server(server, user_data, TRUE);
 
       /* If this was our primary router connection then we're lost to
         the outside world. */
@@ -2244,8 +2297,7 @@ int silc_server_remove_clients_by_server(SilcServer server,
     silc_buffer_free(idp);
   }
 
-  if (silc_idcache_find_by_id(server->local_list->clients, 
-                             SILC_ID_CACHE_ANY, SILC_ID_CLIENT, &list)) {
+  if (silc_idcache_get_all(server->local_list->clients, &list)) {
 
     if (silc_idcache_list_first(list, &id_cache)) {
       while (id_cache) {
@@ -2298,8 +2350,7 @@ int silc_server_remove_clients_by_server(SilcServer server,
     silc_idcache_list_free(list);
   }
   
-  if (silc_idcache_find_by_id(server->global_list->clients, 
-                             SILC_ID_CACHE_ANY, SILC_ID_CLIENT, &list)) {
+  if (silc_idcache_get_all(server->global_list->clients, &list)) {
 
     if (silc_idcache_list_first(list, &id_cache)) {
       while (id_cache) {
@@ -2362,8 +2413,8 @@ int silc_server_remove_clients_by_server(SilcServer server,
                                          argv_types);
       silc_server_send_notify_args(server, 
                                   server->router->connection,
-                                  server->server_type == 
-                                  SILC_SERVER ? FALSE : TRUE, 
+                                  server->server_type == SILC_SERVER ? 
+                                  FALSE : TRUE, 
                                   SILC_NOTIFY_TYPE_SERVER_SIGNOFF,
                                   argc, args);
       silc_buffer_free(args);
@@ -2394,9 +2445,10 @@ int silc_server_remove_clients_by_server(SilcServer server,
 int silc_server_channel_has_global(SilcChannelEntry channel)
 {
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
 
-  silc_list_start(channel->user_list);
-  while ((chl = silc_list_get(channel->user_list)) != SILC_LIST_END) {
+  silc_hash_table_list(channel->user_list, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     if (chl->client->router)
       return TRUE;
   }
@@ -2410,9 +2462,10 @@ int silc_server_channel_has_global(SilcChannelEntry channel)
 int silc_server_channel_has_local(SilcChannelEntry channel)
 {
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
 
-  silc_list_start(channel->user_list);
-  while ((chl = silc_list_get(channel->user_list)) != SILC_LIST_END) {
+  silc_hash_table_list(channel->user_list, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     if (!chl->client->router)
       return TRUE;
   }
@@ -2433,6 +2486,7 @@ void silc_server_remove_from_channels(SilcServer server,
 {
   SilcChannelEntry channel;
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
   SilcBuffer clidp;
 
   SILC_LOG_DEBUG(("Start"));
@@ -2444,16 +2498,16 @@ void silc_server_remove_from_channels(SilcServer server,
 
   /* Remove the client from all channels. The client is removed from
      the channels' user list. */
-  silc_list_start(client->channels);
-  while ((chl = silc_list_get(client->channels)) != SILC_LIST_END) {
+  silc_hash_table_list(client->channels, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     channel = chl->channel;
 
     /* Remove channel from client's channel list */
-    silc_list_del(client->channels, chl);
+    silc_hash_table_del_by_context(client->channels, channel, chl);
 
     /* Remove channel if there is no users anymore */
     if (server->server_type == SILC_ROUTER &&
-       silc_list_count(channel->user_list) < 2) {
+       silc_hash_table_count(channel->user_list) < 2) {
       server->stat.my_channels--;
 
       if (channel->rekey)
@@ -2462,13 +2516,15 @@ void silc_server_remove_from_channels(SilcServer server,
       if (channel->founder_key) {
        /* The founder auth data exists, do not remove the channel entry */
        SilcChannelClientEntry chl2;
+       SilcHashTableList htl2;
 
        channel->id = NULL;
 
-       silc_list_start(channel->user_list);
-       while ((chl2 = silc_list_get(channel->user_list)) != SILC_LIST_END) {
-         silc_list_del(chl2->client->channels, chl2);
-         silc_list_del(channel->user_list, chl2);
+       silc_hash_table_list(channel->user_list, &htl2);
+       while (silc_hash_table_get(&htl2, NULL, (void *)&chl2)) {
+         silc_hash_table_del_by_context(chl2->client->channels, channel, chl);
+         silc_hash_table_del_by_context(channel->user_list, 
+                                        chl2->client, chl);
          silc_free(chl2);
        }
        continue;
@@ -2480,7 +2536,7 @@ void silc_server_remove_from_channels(SilcServer server,
     }
 
     /* Remove client from channel's client list */
-    silc_list_del(channel->user_list, chl);
+    silc_hash_table_del_by_context(channel->user_list, chl->client, chl);
     silc_free(chl);
     server->stat.my_chanclients--;
 
@@ -2503,21 +2559,21 @@ void silc_server_remove_from_channels(SilcServer server,
                                           signoff_message, signoff_message ?
                                           strlen(signoff_message) : 0);
 
-      server->stat.my_channels--;
-
       if (channel->rekey)
        silc_task_unregister_by_context(server->timeout_queue, channel->rekey);
 
       if (channel->founder_key) {
        /* The founder auth data exists, do not remove the channel entry */
        SilcChannelClientEntry chl2;
+       SilcHashTableList htl2;
 
        channel->id = NULL;
 
-       silc_list_start(channel->user_list);
-       while ((chl2 = silc_list_get(channel->user_list)) != SILC_LIST_END) {
-         silc_list_del(chl2->client->channels, chl2);
-         silc_list_del(channel->user_list, chl2);
+       silc_hash_table_list(channel->user_list, &htl2);
+       while (silc_hash_table_get(&htl2, NULL, (void *)&chl2)) {
+         silc_hash_table_del_by_context(chl2->client->channels, channel, chl);
+         silc_hash_table_del_by_context(channel->user_list, 
+                                        chl2->client, chl);
          silc_free(chl2);
        }
        continue;
@@ -2525,6 +2581,7 @@ void silc_server_remove_from_channels(SilcServer server,
 
       if (!silc_idlist_del_channel(server->local_list, channel))
        silc_idlist_del_channel(server->global_list, channel);
+      server->stat.my_channels--;
       continue;
     }
 
@@ -2571,87 +2628,87 @@ int silc_server_remove_from_one_channel(SilcServer server,
 
   SILC_LOG_DEBUG(("Start"));
 
-  clidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+  /* Get the entry to the channel, if this client is not on the channel
+     then return Ok. */
+  if (!silc_hash_table_find(client->channels, channel, NULL, (void *)&chl))
+    return TRUE;
 
   /* Remove the client from the channel. The client is removed from
      the channel's user list. */
-  silc_list_start(client->channels);
-  while ((chl = silc_list_get(client->channels)) != SILC_LIST_END) {
-    if (chl->channel != channel)
-      continue;
-
-    ch = chl->channel;
 
-    /* Remove channel from client's channel list */
-    silc_list_del(client->channels, chl);
-
-    /* Remove channel if there is no users anymore */
-    if (server->server_type == SILC_ROUTER &&
-       silc_list_count(channel->user_list) < 2) {
-      if (channel->rekey)
-       silc_task_unregister_by_context(server->timeout_queue, channel->rekey);
-      if (!silc_idlist_del_channel(server->local_list, channel))
-       silc_idlist_del_channel(server->global_list, channel);
-      silc_buffer_free(clidp);
-      server->stat.my_channels--;
-      return FALSE;
-    }
-
-    /* Remove client from channel's client list */
-    silc_list_del(channel->user_list, chl);
-    silc_free(chl);
-    server->stat.my_chanclients--;
-
-    /* If there is no global users on the channel anymore mark the channel
-       as local channel. */
-    if (server->server_type == SILC_SERVER &&
-       !silc_server_channel_has_global(channel))
-      channel->global_users = FALSE;
-
-    /* If there is not at least one local user on the channel then we don't
-       need the channel entry anymore, we can remove it safely. */
-    if (server->server_type == SILC_SERVER &&
-       !silc_server_channel_has_local(channel)) {
-      /* Notify about leaving client if this channel has global users. */
-      if (notify && channel->global_users)
-       silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
-                                          SILC_NOTIFY_TYPE_LEAVE, 1,
-                                          clidp->data, clidp->len);
-
-      server->stat.my_channels--;
-      silc_buffer_free(clidp);
-
-      if (channel->rekey)
-       silc_task_unregister_by_context(server->timeout_queue, channel->rekey);
-
-      if (channel->founder_key) {
-       /* The founder auth data exists, do not remove the channel entry */
-       SilcChannelClientEntry chl2;
+  clidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+  ch = chl->channel;
+
+  /* Remove channel from client's channel list */
+  silc_hash_table_del_by_context(client->channels, chl->channel, chl);
+
+  /* Remove channel if there is no users anymore */
+  if (server->server_type == SILC_ROUTER &&
+      silc_hash_table_count(channel->user_list) < 2) {
+    if (channel->rekey)
+      silc_task_unregister_by_context(server->timeout_queue, channel->rekey);
+    if (!silc_idlist_del_channel(server->local_list, channel))
+      silc_idlist_del_channel(server->global_list, channel);
+    silc_buffer_free(clidp);
+    server->stat.my_channels--;
+    return FALSE;
+  }
 
-       channel->id = NULL;
+  /* Remove client from channel's client list */
+  silc_hash_table_del_by_context(channel->user_list, chl->client, chl);
+  silc_free(chl);
+  server->stat.my_chanclients--;
+  
+  /* If there is no global users on the channel anymore mark the channel
+     as local channel. */
+  if (server->server_type == SILC_SERVER &&
+      !silc_server_channel_has_global(channel))
+    channel->global_users = FALSE;
+
+  /* If there is not at least one local user on the channel then we don't
+     need the channel entry anymore, we can remove it safely. */
+  if (server->server_type == SILC_SERVER &&
+      !silc_server_channel_has_local(channel)) {
+    /* Notify about leaving client if this channel has global users. */
+    if (notify && channel->global_users)
+      silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+                                        SILC_NOTIFY_TYPE_LEAVE, 1,
+                                        clidp->data, clidp->len);
+    
+    silc_buffer_free(clidp);
+    
+    if (channel->rekey)
+      silc_task_unregister_by_context(server->timeout_queue, channel->rekey);
 
-       silc_list_start(channel->user_list);
-       while ((chl2 = silc_list_get(channel->user_list)) != SILC_LIST_END) {
-         silc_list_del(chl2->client->channels, chl2);
-         silc_list_del(channel->user_list, chl2);
-         silc_free(chl2);
-       }
-       return FALSE;
+    if (channel->founder_key) {
+      /* The founder auth data exists, do not remove the channel entry */
+      SilcChannelClientEntry chl2;
+      SilcHashTableList htl2;
+      
+      channel->id = NULL;
+      
+      silc_hash_table_list(channel->user_list, &htl2);
+      while (silc_hash_table_get(&htl2, NULL, (void *)&chl2)) {
+       silc_hash_table_del_by_context(chl2->client->channels, channel, chl);
+       silc_hash_table_del_by_context(channel->user_list, 
+                                      chl2->client, chl);
+       silc_free(chl2);
       }
-
-      if (!silc_idlist_del_channel(server->local_list, channel))
-       silc_idlist_del_channel(server->global_list, channel);
       return FALSE;
     }
 
-    /* Send notify to channel about client leaving the channel */
-    if (notify)
-      silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
-                                        SILC_NOTIFY_TYPE_LEAVE, 1,
-                                        clidp->data, clidp->len);
-    break;
+    if (!silc_idlist_del_channel(server->local_list, channel))
+      silc_idlist_del_channel(server->global_list, channel);
+    server->stat.my_channels--;
+    return FALSE;
   }
 
+  /* Send notify to channel about client leaving the channel */
+  if (notify)
+    silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+                                      SILC_NOTIFY_TYPE_LEAVE, 1,
+                                      clidp->data, clidp->len);
+
   silc_buffer_free(clidp);
   return TRUE;
 }
@@ -2664,15 +2721,11 @@ int silc_server_remove_from_one_channel(SilcServer server,
 int silc_server_client_on_channel(SilcClientEntry client,
                                  SilcChannelEntry channel)
 {
-  SilcChannelClientEntry chl;
-
   if (!client || !channel)
     return FALSE;
 
-  silc_list_start(client->channels);
-  while ((chl = silc_list_get(client->channels)) != SILC_LIST_END)
-    if (chl->channel == channel)
-      return TRUE;
+  if (silc_hash_table_find(client->channels, channel, NULL, NULL))
+    return TRUE;
 
   return FALSE;
 }
@@ -2754,7 +2807,8 @@ SilcChannelEntry silc_server_create_new_channel(SilcServer server,
      to our primary route. */
   if (broadcast && server->standalone == FALSE)
     silc_server_send_new_channel(server, server->router->connection, TRUE, 
-                                channel_name, entry->id, SILC_ID_CHANNEL_LEN,
+                                channel_name, entry->id, 
+                                silc_id_get_len(entry->id, SILC_ID_CHANNEL),
                                 entry->mode);
 
   server->stat.my_channels++;
@@ -2812,7 +2866,8 @@ silc_server_create_new_channel_with_id(SilcServer server,
      to our primary route. */
   if (broadcast && server->standalone == FALSE)
     silc_server_send_new_channel(server, server->router->connection, TRUE, 
-                                channel_name, entry->id, SILC_ID_CHANNEL_LEN,
+                                channel_name, entry->id, 
+                                silc_id_get_len(entry->id, SILC_ID_CHANNEL),
                                 entry->mode);
 
   server->stat.my_channels++;
@@ -3051,8 +3106,7 @@ static void silc_server_announce_get_servers(SilcServer server,
   SilcBuffer idp;
 
   /* Go through all clients in the list */
-  if (silc_idcache_find_by_id(id_list->clients, SILC_ID_CACHE_ANY, 
-                             SILC_ID_SERVER, &list)) {
+  if (silc_idcache_get_all(id_list->servers, &list)) {
     if (silc_idcache_list_first(list, &id_cache)) {
       while (id_cache) {
        entry = (SilcServerEntry)id_cache->context;
@@ -3118,8 +3172,7 @@ static void silc_server_announce_get_clients(SilcServer server,
   SilcBuffer idp;
 
   /* Go through all clients in the list */
-  if (silc_idcache_find_by_id(id_list->clients, SILC_ID_CACHE_ANY, 
-                             SILC_ID_CLIENT, &list)) {
+  if (silc_idcache_get_all(id_list->clients, &list)) {
     if (silc_idcache_list_first(list, &id_cache)) {
       while (id_cache) {
        client = (SilcClientEntry)id_cache->context;
@@ -3176,34 +3229,40 @@ void silc_server_announce_clients(SilcServer server)
 }
 
 static SilcBuffer 
-silc_server_announce_encode_join(uint32 argc, ...)
+silc_server_announce_encode_notify(SilcNotifyType notify, uint32 argc, ...)
 {
   va_list ap;
 
   va_start(ap, argc);
-  return silc_notify_payload_encode(SILC_NOTIFY_TYPE_JOIN, argc, ap);
+  return silc_notify_payload_encode(notify, argc, ap);
 }
 
 /* Returns assembled packets for channel users of the `channel'. */
 
 void silc_server_announce_get_channel_users(SilcServer server,
                                            SilcChannelEntry channel,
-                                           SilcBuffer *channel_users)
+                                           SilcBuffer *channel_users,
+                                           SilcBuffer *channel_users_modes)
 {
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
   SilcBuffer chidp, clidp;
   SilcBuffer tmp;
   int len;
+  unsigned char mode[4];
 
   SILC_LOG_DEBUG(("Start"));
 
   /* Now find all users on the channel */
   chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
-  silc_list_start(channel->user_list);
-  while ((chl = silc_list_get(channel->user_list)) != SILC_LIST_END) {
+  silc_hash_table_list(channel->user_list, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     clidp = silc_id_payload_encode(chl->client->id, SILC_ID_CLIENT);
-    tmp = silc_server_announce_encode_join(2, clidp->data, clidp->len,
-                                          chidp->data, chidp->len);
+
+    /* JOIN Notify */
+    tmp = silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_JOIN, 2, 
+                                            clidp->data, clidp->len,
+                                            chidp->data, chidp->len);
     len = tmp->len;
     *channel_users = 
       silc_buffer_realloc(*channel_users, 
@@ -3215,8 +3274,28 @@ void silc_server_announce_get_channel_users(SilcServer server,
     
     silc_buffer_put(*channel_users, tmp->data, tmp->len);
     silc_buffer_pull(*channel_users, len);
-    silc_buffer_free(clidp);
     silc_buffer_free(tmp);
+
+    /* CUMODE notify for mode change on the channel */
+    SILC_PUT32_MSB(chl->mode, mode);
+    tmp = silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_CUMODE_CHANGE, 
+                                            3, clidp->data, clidp->len,
+                                            mode, 4,
+                                            clidp->data, clidp->len);
+    len = tmp->len;
+    *channel_users_modes = 
+      silc_buffer_realloc(*channel_users_modes, 
+                         (*channel_users_modes ? 
+                          (*channel_users_modes)->truelen + len : len));
+    silc_buffer_pull_tail(*channel_users_modes, 
+                         ((*channel_users_modes)->end - 
+                          (*channel_users_modes)->data));
+    
+    silc_buffer_put(*channel_users_modes, tmp->data, tmp->len);
+    silc_buffer_pull(*channel_users_modes, len);
+    silc_buffer_free(tmp);
+
+    silc_buffer_free(clidp);
   }
   silc_buffer_free(chidp);
 }
@@ -3228,28 +3307,30 @@ void silc_server_announce_get_channel_users(SilcServer server,
 void silc_server_announce_get_channels(SilcServer server,
                                       SilcIDList id_list,
                                       SilcBuffer *channels,
-                                      SilcBuffer *channel_users)
+                                      SilcBuffer *channel_users,
+                                      SilcBuffer *channel_users_modes)
 {
   SilcIDCacheList list;
   SilcIDCacheEntry id_cache;
   SilcChannelEntry channel;
   unsigned char *cid;
+  uint32 id_len;
   uint16 name_len;
   int len;
 
   SILC_LOG_DEBUG(("Start"));
 
   /* Go through all channels in the list */
-  if (silc_idcache_find_by_id(id_list->channels, SILC_ID_CACHE_ANY, 
-                             SILC_ID_CHANNEL, &list)) {
+  if (silc_idcache_get_all(id_list->channels, &list)) {
     if (silc_idcache_list_first(list, &id_cache)) {
       while (id_cache) {
        channel = (SilcChannelEntry)id_cache->context;
        
        cid = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
+       id_len = silc_id_get_len(channel->id, SILC_ID_CHANNEL);
        name_len = strlen(channel->channel_name);
 
-       len = 4 + name_len + SILC_ID_CHANNEL_LEN + 4;
+       len = 4 + name_len + id_len + 4;
        *channels = 
          silc_buffer_realloc(*channels, 
                              (*channels ? (*channels)->truelen + len : len));
@@ -3259,14 +3340,15 @@ void silc_server_announce_get_channels(SilcServer server,
                           SILC_STR_UI_SHORT(name_len),
                           SILC_STR_UI_XNSTRING(channel->channel_name, 
                                                name_len),
-                          SILC_STR_UI_SHORT(SILC_ID_CHANNEL_LEN),
-                          SILC_STR_UI_XNSTRING(cid, SILC_ID_CHANNEL_LEN),
+                          SILC_STR_UI_SHORT(id_len),
+                          SILC_STR_UI_XNSTRING(cid, id_len),
                           SILC_STR_UI_INT(channel->mode),
                           SILC_STR_END);
        silc_buffer_pull(*channels, len);
 
        silc_server_announce_get_channel_users(server, channel,
-                                              channel_users);
+                                              channel_users,
+                                              channel_users_modes);
 
        silc_free(cid);
 
@@ -3285,17 +3367,19 @@ void silc_server_announce_get_channels(SilcServer server,
 
 void silc_server_announce_channels(SilcServer server)
 {
-  SilcBuffer channels = NULL, channel_users = NULL;
+  SilcBuffer channels = NULL, channel_users = NULL, channel_users_modes = NULL;
 
   SILC_LOG_DEBUG(("Announcing channels and channel users"));
 
   /* Get channels and channel users in local list */
   silc_server_announce_get_channels(server, server->local_list,
-                                   &channels, &channel_users);
+                                   &channels, &channel_users,
+                                   &channel_users_modes);
 
   /* Get channels and channel users in global list */
   silc_server_announce_get_channels(server, server->global_list,
-                                   &channels, &channel_users);
+                                   &channels, &channel_users,
+                                   &channel_users_modes);
 
   if (channels) {
     silc_buffer_push(channels, channels->data - channels->head);
@@ -3323,6 +3407,22 @@ void silc_server_announce_channels(SilcServer server)
 
     silc_buffer_free(channel_users);
   }
+
+  if (channel_users_modes) {
+    silc_buffer_push(channel_users_modes, 
+                    channel_users_modes->data - channel_users_modes->head);
+    SILC_LOG_HEXDUMP(("channel users modes"), channel_users_modes->data, 
+                    channel_users_modes->len);
+
+    /* Send the packet */
+    silc_server_packet_send(server, server->router->connection,
+                           SILC_PACKET_NOTIFY, SILC_PACKET_FLAG_LIST,
+                           channel_users_modes->data, 
+                           channel_users_modes->len,
+                           FALSE);
+
+    silc_buffer_free(channel_users_modes);
+  }
 }
 
 /* Failure timeout callback. If this is called then we will immediately
@@ -3354,19 +3454,23 @@ void silc_server_get_users_on_channel(SilcServer server,
                                      uint32 *user_count)
 {
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
   SilcBuffer client_id_list;
   SilcBuffer client_mode_list;
   SilcBuffer idp;
   uint32 list_count = 0;
 
-  client_id_list = silc_buffer_alloc((SILC_ID_CLIENT_LEN + 4) * 
-                                    silc_list_count(channel->user_list));
-  client_mode_list = silc_buffer_alloc(4 * 
-                                      silc_list_count(channel->user_list));
+  /* XXX rewrite - this does not support IPv6 based Client ID's. */
+
+  client_id_list = 
+    silc_buffer_alloc((SILC_ID_CLIENT_LEN + 4) * 
+                     silc_hash_table_count(channel->user_list));
+  client_mode_list = 
+    silc_buffer_alloc(4 * silc_hash_table_count(channel->user_list));
   silc_buffer_pull_tail(client_id_list, SILC_BUFFER_END(client_id_list));
   silc_buffer_pull_tail(client_mode_list, SILC_BUFFER_END(client_mode_list));
-  silc_list_start(channel->user_list);
-  while ((chl = silc_list_get(channel->user_list)) != SILC_LIST_END) {
+  silc_hash_table_list(channel->user_list, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     /* Client ID */
     idp = silc_id_payload_encode(chl->client->id, SILC_ID_CLIENT);
     silc_buffer_put(client_id_list, idp->data, idp->len);
@@ -3422,7 +3526,7 @@ void silc_server_save_users_on_channel(SilcServer server,
     SILC_GET32_MSB(mode, mode_list->data);
     silc_buffer_pull(mode_list, 4);
 
-    if (noadd && !SILC_ID_CLIENT_COMPARE(client_id, noadd)) {
+    if (noadd && SILC_ID_CLIENT_COMPARE(client_id, noadd)) {
       silc_free(client_id);
       continue;
     }
@@ -3444,8 +3548,7 @@ void silc_server_save_users_on_channel(SilcServer server,
       /* We don't have that client anywhere, add it. The client is added
         to global list since server didn't have it in the lists so it must be 
         global. */
-      client = silc_idlist_add_client(server->global_list, NULL, 0, NULL, 
-                                     NULL, 
+      client = silc_idlist_add_client(server->global_list, NULL, NULL, NULL,
                                      silc_id_dup(client_id, SILC_ID_CLIENT), 
                                      sock->user_data, NULL);
       if (!client) {
@@ -3464,13 +3567,13 @@ void silc_server_save_users_on_channel(SilcServer server,
       chl->client = client;
       chl->mode = mode;
       chl->channel = channel;
-      silc_list_add(channel->user_list, chl);
-      silc_list_add(client->channels, chl);
+      silc_hash_table_add(channel->user_list, chl->client, chl);
+      silc_hash_table_add(client->channels, chl->channel, chl);
     }
   }
 }
 
-/* Lookups route to the client indicated by `id' client ID. The connection
+/* Lookups route to the client indicated by the `id_data'. The connection
    object and internal data object is returned. Returns NULL if route
    could not be found to the client. If the `client_id' is specified then
    it is used and the `id_data' is ignored. */
@@ -3512,12 +3615,14 @@ SilcSocketConnection silc_server_get_client_route(SilcServer server,
       /* We are of course in this case the client's router thus the real
         "router" of the client is the server who owns the client. Thus
         we will send the packet to that server. */
-      *idata = (SilcIDListData)client->router;
+      if (idata)
+       *idata = (SilcIDListData)client->router;
       return client->router->connection;
     }
 
     /* Seems that client really is directly connected to us */
-    *idata = (SilcIDListData)client;
+    if (idata)
+      *idata = (SilcIDListData)client;
     return client->connection;
   }
 
@@ -3525,7 +3630,8 @@ SilcSocketConnection silc_server_get_client_route(SilcServer server,
      server our action is to send the packet to our router. */
   if (server->server_type == SILC_SERVER && !server->standalone) {
     silc_free(id);
-    *idata = (SilcIDListData)server->router;
+    if (idata)
+      *idata = (SilcIDListData)server->router;
     return server->router->connection;
   }
 
@@ -3540,7 +3646,8 @@ SilcSocketConnection silc_server_get_client_route(SilcServer server,
       dst_sock = silc_server_route_get(server, id, SILC_ID_CLIENT);
 
       silc_free(id);
-      *idata = (SilcIDListData)dst_sock->user_data;
+      if (idata)
+       *idata = (SilcIDListData)dst_sock->user_data;
       return dst_sock;
     }
   }
@@ -3558,21 +3665,24 @@ SilcBuffer silc_server_get_client_channel_list(SilcServer server,
   SilcBuffer buffer = NULL;
   SilcChannelEntry channel;
   SilcChannelClientEntry chl;
+  SilcHashTableList htl;
   unsigned char *cid;
+  uint32 id_len;
   uint16 name_len;
   int len;
 
-  silc_list_start(client->channels);
-  while ((chl = silc_list_get(client->channels)) != SILC_LIST_END) {
+  silc_hash_table_list(client->channels, &htl);
+  while (silc_hash_table_get(&htl, NULL, (void *)&chl)) {
     channel = chl->channel;
 
     if (channel->mode & SILC_CHANNEL_MODE_SECRET)
       continue;
 
     cid = silc_id_id2str(channel->id, SILC_ID_CHANNEL);
+    id_len = silc_id_get_len(channel->id, SILC_ID_CHANNEL);
     name_len = strlen(channel->channel_name);
     
-    len = 4 + name_len + SILC_ID_CHANNEL_LEN + 4;
+    len = 4 + name_len + id_len + 4;
     buffer = silc_buffer_realloc(buffer, 
                                 (buffer ? (buffer)->truelen + len : len));
     silc_buffer_pull_tail(buffer, ((buffer)->end - (buffer)->data));
@@ -3580,8 +3690,8 @@ SilcBuffer silc_server_get_client_channel_list(SilcServer server,
                       SILC_STR_UI_SHORT(name_len),
                       SILC_STR_UI_XNSTRING(channel->channel_name, 
                                            name_len),
-                      SILC_STR_UI_SHORT(SILC_ID_CHANNEL_LEN),
-                      SILC_STR_UI_XNSTRING(cid, SILC_ID_CHANNEL_LEN),
+                      SILC_STR_UI_SHORT(id_len),
+                      SILC_STR_UI_XNSTRING(cid, id_len),
                       SILC_STR_UI_INT(chl->mode), /* Client's mode */
                       SILC_STR_END);
     silc_buffer_pull(buffer, len);
@@ -3688,8 +3798,6 @@ SILC_TASK_CALLBACK_GLOBAL(silc_server_rekey_final)
     silc_protocol_cancel(server->timeout_queue, protocol);
     silc_protocol_free(protocol);
     sock->protocol = NULL;
-    if (ctx->keymat)
-      silc_ske_free_key_material(ctx->keymat);
     if (ctx->packet)
       silc_packet_context_free(ctx->packet);
     if (ctx->ske)
@@ -3698,17 +3806,9 @@ SILC_TASK_CALLBACK_GLOBAL(silc_server_rekey_final)
     return;
   }
 
-  /* Take the keys into use */
-  if (ctx->pfs == TRUE)
-    silc_server_protocol_rekey_generate_pfs(server, ctx);
-  else
-    silc_server_protocol_rekey_generate(server, ctx);
-
   /* Cleanup */
   silc_protocol_free(protocol);
   sock->protocol = NULL;
-  if (ctx->keymat)
-    silc_ske_free_key_material(ctx->keymat);
   if (ctx->packet)
     silc_packet_context_free(ctx->packet);
   if (ctx->ske)