wip: resolve

connectd/connectd.c

@@ -788,6 +788,8 @@ static void try_connect_one_addr(struct connecting *connect)
 	bool use_proxy = connect->daemon->always_use_proxy;
 	const struct wireaddr_internal *addr = &connect->addrs[connect->addrnum];
 	struct io_conn *conn;
+	struct addrinfo hints, *ais; //, *aii;
+	int gai_err;
 
 	/* In case we fail without a connection, make destroy_io_conn happy */
 	connect->conn = NULL;
@@ -836,7 +838,28 @@ static void try_connect_one_addr(struct connecting *connect)
 			af = AF_INET6;
 			break;
 		case ADDR_TYPE_DNS:
-			// TODO: resolve with getaddrinfo and set af
+			/* Resolve with getaddrinfo */
+			memset(&hints, 0, sizeof(hints));
+			hints.ai_socktype = SOCK_STREAM;
+			hints.ai_family = AF_UNSPEC;
+			hints.ai_protocol = 0;
+			hints.ai_flags = AI_ADDRCONFIG;
+			gai_err = getaddrinfo((char *)addr->u.wireaddr.addr,
+					      tal_fmt(tmpctx, "%d",
+						      addr->u.wireaddr.port),
+					      &hints, &ais);
+			if (gai_err != 0)
+				status_failed(STATUS_FAIL_INTERNAL_ERROR,
+					      gai_strerror(gai_err));
+			/*for (aii = ais; aii; aii = aii->ai_next) {
+				if (aii->ai_family == AF_INET6 || aii->ai_family == AF_INET) {
+					memcpy(&ai, aii, sizeof(struct addrinfo));
+					freeaddrinfo(ais);
+					return ai;
+				}
+			}
+			freeaddrinfo(ais);*/
+			// TODO: handle no suitable ai_family found
 			break;
 		}
 	}