extra socket bind checks and logging

source/darwin/nw_socket.c

@@ -1483,14 +1483,24 @@ static int s_socket_bind_fn(
         return aws_raise_error(AWS_IO_SOCKET_ILLEGAL_OPERATION_FOR_STATE);
     }
 
-    socket->local_endpoint = *local_endpoint;
+    size_t address_strlen;
+    if (aws_secure_strlen(local_endpoint->address, AWS_ADDRESS_MAX_LEN, &address_strlen)) {
+        return AWS_OP_ERR;
+    }
+
+    if (aws_socket_validate_port_for_bind(local_endpoint->port, socket->options.domain)) {
+        return AWS_OP_ERR;
+    }
+
     AWS_LOGF_INFO(
         AWS_LS_IO_SOCKET,
         "id=%p: binding to %s:%d.",
         (void *)socket,
         local_endpoint->address,
         (int)local_endpoint->port);
 
+    socket->local_endpoint = *local_endpoint;
+
     if (nw_socket->nw_parameters == NULL) {
         if (retrieve_tls_options) {
             struct tls_connection_context tls_connection_context;
@@ -1559,7 +1569,13 @@ static int s_socket_bind_fn(
     // Apple network framework requires connection besides bind.
     socket->state = BOUND;
 
-    AWS_LOGF_DEBUG(AWS_LS_IO_SOCKET, "id=%p: successfully bound", (void *)socket);
+    AWS_LOGF_DEBUG(
+        AWS_LS_IO_SOCKET,
+        "id=%p fd=%d: successfully bound to %s:%u",
+        (void *)socket,
+        socket->io_handle.data.fd,
+        socket->local_endpoint.address,
+        socket->local_endpoint.port);
 
     return AWS_OP_SUCCESS;
 }