Do not wait for EOF after socket error but close connection.
[silc.git] / apps / silcd / server.c
index 7ee66b1fe8388b342a2b893db9ed7924b21bacfb..f54f21695b22483cd730b100a87f200b1a479f79 100644 (file)
@@ -43,7 +43,6 @@ SILC_TASK_CALLBACK(silc_server_free_client_data_timeout);
 SILC_TASK_CALLBACK(silc_server_timeout_remote);
 SILC_TASK_CALLBACK(silc_server_channel_key_rekey);
 SILC_TASK_CALLBACK(silc_server_failure_callback);
-SILC_TASK_CALLBACK(silc_server_rekey_callback);
 SILC_TASK_CALLBACK(silc_server_get_stats);
 
 /* Allocates a new SILC server object. This has to be done before the server
@@ -490,7 +489,7 @@ bool silc_server_init(SilcServer server)
 
   /* If we are normal server we'll retrieve network statisticial information
      once in a while from the router. */
-  if (server->server_type == SILC_SERVER)
+  if (server->server_type != SILC_ROUTER)
     silc_schedule_task_add(server->schedule, 0, silc_server_get_stats,
                           server, 10, 0, SILC_TASK_TIMEOUT,
                           SILC_TASK_PRI_LOW);
@@ -988,8 +987,12 @@ SILC_TASK_CALLBACK(silc_server_connect_router)
                             silc_server_connect_to_router_retry,
                             context, 0, 1, SILC_TASK_TIMEOUT,
                             SILC_TASK_PRI_NORMAL);
-    else
+    else {
       silc_server_config_unref(&sconn->conn);
+      silc_free(sconn->remote_host);
+      silc_free(sconn->backup_replace_ip);
+      silc_free(sconn);
+    }
     return;
   }
 
@@ -1376,8 +1379,7 @@ SILC_TASK_CALLBACK(silc_server_connect_to_router_final)
   if (conn && conn->param)
     param = conn->param;
 
-  /* Perform keepalive. The `hb_context' will be freed automatically
-     when finally calling the silc_socket_free function. */
+  /* Perform keepalive. */
   silc_socket_set_heartbeat(sock, param->keepalive_secs, server,
                            silc_server_perform_heartbeat,
                            server->schedule);
@@ -1775,7 +1777,7 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
   SilcSocketConnection sock = ctx->sock;
   SilcUnknownEntry entry = (SilcUnknownEntry)sock->user_data;
   void *id_entry;
-  SilcUInt32 hearbeat_timeout = server->config->param.keepalive_secs;
+  SilcServerConfigConnParams *param = &server->config->param;
 
   if (protocol->state == SILC_PROTOCOL_STATE_ERROR ||
       protocol->state == SILC_PROTOCOL_STATE_FAILURE) {
@@ -1872,11 +1874,21 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
 
       /* Get connection parameters */
       if (conn->param) {
-       if (conn->param->keepalive_secs)
-         hearbeat_timeout = conn->param->keepalive_secs;
+       param = conn->param;
+
+       if (!param->keepalive_secs)
+         param->keepalive_secs = server->config->param.keepalive_secs;
+
+       if (!param->qos && server->config->param.qos) {
+         param->qos = server->config->param.qos;
+         param->qos_rate_limit = server->config->param.qos_rate_limit;
+         param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+         param->qos_limit_sec = server->config->param.qos_limit_sec;
+         param->qos_limit_usec = server->config->param.qos_limit_usec;
+       }
 
        /* Check if to be anonymous connection */
-       if (conn->param->anonymous)
+       if (param->anonymous)
          client->mode |= SILC_UMODE_ANONYMOUS;
       }
 
@@ -1925,8 +1937,18 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
 
        if (rconn) {
          if (rconn->param) {
-           if (rconn->param->keepalive_secs)
-             hearbeat_timeout = rconn->param->keepalive_secs;
+           param = rconn->param;
+
+           if (!param->keepalive_secs)
+             param->keepalive_secs = server->config->param.keepalive_secs;
+
+           if (!param->qos && server->config->param.qos) {
+             param->qos = server->config->param.qos;
+             param->qos_rate_limit = server->config->param.qos_rate_limit;
+             param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+             param->qos_limit_sec = server->config->param.qos_limit_sec;
+             param->qos_limit_usec = server->config->param.qos_limit_usec;
+           }
          }
 
          initiator = rconn->initiator;
@@ -1949,8 +1971,18 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
        }
        if (sconn) {
          if (sconn->param) {
-           if (sconn->param->keepalive_secs)
-             hearbeat_timeout = sconn->param->keepalive_secs;
+           param = sconn->param;
+
+           if (!param->keepalive_secs)
+             param->keepalive_secs = server->config->param.keepalive_secs;
+
+           if (!param->qos && server->config->param.qos) {
+             param->qos = server->config->param.qos;
+             param->qos_rate_limit = server->config->param.qos_rate_limit;
+             param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+             param->qos_limit_sec = server->config->param.qos_limit_sec;
+             param->qos_limit_usec = server->config->param.qos_limit_usec;
+           }
          }
 
          backup_router = sconn->backup_router;
@@ -2033,6 +2065,10 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
          ctx->conn_type = SILC_SOCKET_TYPE_SERVER;
        new_server->server_type = SILC_BACKUP_ROUTER;
 
+       SILC_SERVER_SEND_OPERS(server, FALSE, TRUE, SILC_NOTIFY_TYPE_NONE,
+                              ("Backup router %s is now online",
+                               sock->hostname));
+
        /* Remove the backup waiting with timeout */
        silc_schedule_task_add(server->schedule, 0,
                               silc_server_backup_router_wait,
@@ -2083,11 +2119,17 @@ SILC_TASK_CALLBACK(silc_server_accept_new_connection_final)
   /* Connection has been fully established now. Everything is ok. */
   SILC_LOG_DEBUG(("New connection authenticated"));
 
-  /* Perform keepalive. The `hb_context' will be freed automatically
-     when finally calling the silc_socket_free function. */
-  silc_socket_set_heartbeat(sock, hearbeat_timeout, server,
-                           silc_server_perform_heartbeat,
-                           server->schedule);
+  /* Perform keepalive. */
+  if (param->keepalive_secs)
+    silc_socket_set_heartbeat(sock, param->keepalive_secs, server,
+                             silc_server_perform_heartbeat,
+                             server->schedule);
+
+  /* Perform Quality of Service */
+  if (param->qos)
+    silc_socket_set_qos(sock, param->qos_rate_limit, param->qos_bytes_limit,
+                       param->qos_limit_sec, param->qos_limit_usec,
+                       server->schedule);
 
  out:
   silc_schedule_task_del_by_callback(server->schedule,
@@ -2142,6 +2184,14 @@ SILC_TASK_CALLBACK(silc_server_packet_process)
     if (ret == -2)
       return;
 
+    /* The packet has been sent and now it is time to set the connection
+       back to only for input. When there is again some outgoing data
+       available for this connection it will be set for output as well.
+       This call clears the output setting and sets it only for input. */
+    SILC_SET_CONNECTION_FOR_INPUT(server->schedule, fd);
+    SILC_UNSET_OUTBUF_PENDING(sock);
+    silc_buffer_clear(sock->outbuf);
+
     if (ret == -1) {
       SILC_LOG_ERROR(("Error sending packet to connection "
                      "%s:%d [%s]", sock->hostname, sock->port,
@@ -2149,17 +2199,12 @@ SILC_TASK_CALLBACK(silc_server_packet_process)
                       sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
                       sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
                       "Router")));
-      return;
-    }
 
-    /* The packet has been sent and now it is time to set the connection
-       back to only for input. When there is again some outgoing data
-       available for this connection it will be set for output as well.
-       This call clears the output setting and sets it only for input. */
-    SILC_SET_CONNECTION_FOR_INPUT(server->schedule, fd);
-    SILC_UNSET_OUTBUF_PENDING(sock);
-
-    silc_buffer_clear(sock->outbuf);
+      SILC_SET_DISCONNECTING(sock);
+      if (sock->user_data)
+       silc_server_free_sock_user_data(server, sock, NULL);
+      silc_server_close_connection(server, sock);
+    }
     return;
   }
 
@@ -2169,13 +2214,19 @@ SILC_TASK_CALLBACK(silc_server_packet_process)
   ret = silc_packet_receive(sock);
   if (ret < 0) {
 
-    if (ret == -1)
+    if (ret == -1) {
       SILC_LOG_ERROR(("Error receiving packet from connection "
                      "%s:%d [%s] %s", 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"), strerror(errno)));
+
+      SILC_SET_DISCONNECTING(sock);
+      if (sock->user_data)
+       silc_server_free_sock_user_data(server, sock, NULL);
+      silc_server_close_connection(server, sock);
+    }
     return;
   }
 
@@ -4190,10 +4241,9 @@ void silc_server_announce_get_channel_users(SilcServer server,
   SilcChannelClientEntry chl;
   SilcHashTableList htl;
   SilcBuffer chidp, clidp, csidp;
-  SilcBuffer tmp;
+  SilcBuffer tmp, fkey = NULL;
   int len;
-  unsigned char mode[4], *fkey = NULL;
-  SilcUInt32 fkey_len = 0;
+  unsigned char mode[4];
   char *hmac;
 
   SILC_LOG_DEBUG(("Start"));
@@ -4205,7 +4255,7 @@ void silc_server_announce_get_channel_users(SilcServer server,
   SILC_PUT32_MSB(channel->mode, mode);
   hmac = channel->hmac ? (char *)silc_hmac_get_name(channel->hmac) : NULL;
   if (channel->founder_key)
-    fkey = silc_pkcs_public_key_encode(channel->founder_key, &fkey_len);
+    fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
   tmp = 
     silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_CMODE_CHANGE,
                                       6, csidp->data, csidp->len,
@@ -4215,7 +4265,8 @@ void silc_server_announce_get_channel_users(SilcServer server,
                                       channel->passphrase,
                                       channel->passphrase ?
                                       strlen(channel->passphrase) : 0,
-                                      fkey, fkey_len);
+                                      fkey ? fkey->data : NULL,
+                                      fkey ? fkey->len : 0);
   len = tmp->len;
   *channel_modes =
     silc_buffer_realloc(*channel_modes,
@@ -4227,9 +4278,8 @@ void silc_server_announce_get_channel_users(SilcServer server,
   silc_buffer_put(*channel_modes, tmp->data, tmp->len);
   silc_buffer_pull(*channel_modes, len);
   silc_buffer_free(tmp);
-  silc_free(fkey);
+  silc_buffer_free(fkey);
   fkey = NULL;
-  fkey_len = 0;
 
   /* Now find all users on the channel */
   silc_hash_table_list(channel->user_list, &htl);
@@ -4256,12 +4306,13 @@ void silc_server_announce_get_channel_users(SilcServer server,
     /* CUMODE notify for mode change on the channel */
     SILC_PUT32_MSB(chl->mode, mode);
     if (chl->mode & SILC_CHANNEL_UMODE_CHANFO && channel->founder_key)
-      fkey = silc_pkcs_public_key_encode(channel->founder_key, &fkey_len);
+      fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
     tmp = silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_CUMODE_CHANGE,
                                             4, csidp->data, csidp->len,
                                             mode, sizeof(mode),
                                             clidp->data, clidp->len,
-                                            fkey, fkey_len);
+                                            fkey ? fkey->data : NULL,
+                                            fkey ? fkey->len : 0);
     len = tmp->len;
     *channel_users_modes =
       silc_buffer_realloc(*channel_users_modes,
@@ -4274,9 +4325,8 @@ void silc_server_announce_get_channel_users(SilcServer server,
     silc_buffer_put(*channel_users_modes, tmp->data, tmp->len);
     silc_buffer_pull(*channel_users_modes, len);
     silc_buffer_free(tmp);
-    silc_free(fkey);
+    silc_buffer_free(fkey);
     fkey = NULL;
-    fkey_len = 0;
     silc_buffer_free(clidp);
   }
   silc_hash_table_list_reset(&htl);
@@ -4375,6 +4425,9 @@ void silc_server_announce_get_channels(SilcServer server,
          silc_server_announce_get_channel_topic(server, channel,
                                                 &(*channel_topics)[i]);
          (*channel_users_modes_c)++;
+
+         silc_free(cid);
+
          i++;
        }
 
@@ -4965,7 +5018,7 @@ SilcBuffer silc_server_get_client_channel_list(SilcServer server,
 /* A timeout callback for the re-key. We will be the initiator of the
    re-key protocol. */
 
-SILC_TASK_CALLBACK(silc_server_rekey_callback)
+SILC_TASK_CALLBACK_GLOBAL(silc_server_rekey_callback)
 {
   SilcServer server = app_context;
   SilcSocketConnection sock = (SilcSocketConnection)context;