X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_socket.c;fp=src%2Fnet_socket.c;h=80ae6778ff3b3d591921a634c768732ff9d29857;hp=a4c7f076130e52351a35e73c383078286b44cc23;hb=a25c0552ade7533e977cb585d82ff5c7b53614f5;hpb=6b5cfe97f4d3f93bde5c3eac5cb82b20b160ae36

diff --git a/src/net_socket.c b/src/net_socket.c
index a4c7f076..80ae6778 100644
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -473,6 +473,33 @@ connect:
 		bind_to_interface(c->socket);
 	}
 
+	int b = -1;
+
+	for(int i = 0; i < listen_sockets; i++) {
+		if(listen_socket[i].sa.sa.sa_family == c->address.sa.sa_family) {
+			if(b == -1) {
+				b = i;
+			} else  {
+				b = -1;
+				break;
+			}
+		}
+	}
+
+	if(b != -1) {
+		sockaddr_t sa = listen_socket[b].sa;
+		if(sa.sa.sa_family == AF_INET)
+			sa.in.sin_port = 0;
+		else if(sa.sa.sa_family == AF_INET6)
+			sa.in6.sin6_port = 0;
+
+		if(bind(c->socket, &sa.sa, SALEN(sa.sa))) {
+			char *addrstr = sockaddr2hostname(&sa);
+			logger(LOG_ERR, "Can't bind to %s/tcp: %s", addrstr, sockstrerror(sockerrno));
+			free(addrstr);
+		}
+	}
+
 	/* Connect */
 
 	if(!proxytype) {