Change to recv(), stop warning on close

dns.c

@@ -133,10 +133,8 @@ int
 dns_read(int fd, char *buf, int len)
 {
 	int r;
-	int fromlen;
-	struct sockaddr_in from;
 
-	r = recvfrom(fd, buf, len, 0, (struct sockaddr*)&from, &fromlen);
+	r = recv(fd, buf, len, 0);
 	if (r < 0) {
 		perror("recvfrom");
 	}

dnstun.c

@@ -56,7 +56,9 @@ tunnel(int tun_fd, int dns_fd)
 		i = select(MAX(tun_fd, dns_fd) + 1, &fds, NULL, NULL, &tv);
 		
 		if(i < 0) {
-			warn("select");
+			if (running) {
+				warn("select");
+			}
 			return 1;
 		}