X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_socket.c;h=dbd09dd4e75b9da72b9640c898a65979405d3f69;hp=efa0f559c1c69f7a8a04f2b17dbfb891f326ff09;hb=dc09f6fe896f5e35fffe8cc2004781b2e1b6fd5a;hpb=7926a156e5b118d06295228e57de0cc9de0433b4

diff --git a/src/net_socket.c b/src/net_socket.c
index efa0f559..dbd09dd4 100644
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -41,6 +41,7 @@
 int addressfamily = AF_UNSPEC;
 int maxtimeout = 900;
 int seconds_till_retry = 5;
+bool blockingtcp = false;
 
 listen_socket_t listen_socket[MAXSOCKETS];
 int listen_sockets;
@@ -240,6 +241,16 @@ void finish_connecting(connection_t *c)
 
 	ifdebug(CONNECTIONS) logger(LOG_INFO, _("Connected to %s (%s)"), c->name, c->hostname);
 
+#ifdef O_NONBLOCK
+	if(blockingtcp) {
+		int flags = fcntl(c->socket, F_GETFL);
+
+		if(fcntl(c->socket, F_SETFL, flags & ~O_NONBLOCK) < 0) {
+			logger(LOG_ERR, _("fcntl for %s: %s"), c->hostname, strerror(errno));
+		}
+	}
+#endif
+
 	c->last_ping_time = now;
 
 	send_id(c);
@@ -413,6 +424,7 @@ bool handle_new_meta_connection(int sock)
 	sockaddrunmap(&sa);
 
 	c = new_connection();
+	c->name = NULL;
 	c->outcipher = myself->connection->outcipher;
 	c->outdigest = myself->connection->outdigest;
 	c->outmaclength = myself->connection->outmaclength;
@@ -425,6 +437,16 @@ bool handle_new_meta_connection(int sock)
 
 	ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection from %s"), c->hostname);
 
+#ifdef O_NONBLOCK
+	if(blockingtcp) {
+		int flags = fcntl(c->socket, F_GETFL);
+
+		if(fcntl(c->socket, F_SETFL, flags & ~O_NONBLOCK) < 0) {
+			logger(LOG_ERR, _("fcntl for %s: %s"), c->hostname, strerror(errno));
+		}
+	}
+#endif
+
 	connection_add(c);
 
 	c->allow_request = ID;
@@ -441,8 +463,7 @@ void try_outgoing_connections(void)
 
 	cp();
 
-	for(cfg = lookup_config(config_tree, "ConnectTo"); cfg;
-		cfg = lookup_config_next(config_tree, cfg)) {
+	for(cfg = lookup_config(config_tree, "ConnectTo"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
 		get_config_string(cfg, &name);
 
 		if(!check_id(name)) {