tls-socket: Don't fail reading if sending data failed

If data is processed that eventually includes a TLS close notify, build()
will fail after a close notify has been sent in turn.  However, propagating
that error immediately when reading prevented ever returning the data
already processed before the close notify was received.

diff --git a/src/libtls/tls_socket.c b/src/libtls/tls_socket.c
index f29a369f14415c31845f465796b63fff0b481945..7745988fb6e909ad589e9090e00cdcdf03f1caad 100644 (file)
--- a/src/libtls/tls_socket.c
+++ b/src/libtls/tls_socket.c
@@ -188,7 +188,11 @@ static bool exchange(private_tls_socket_t *this, bool wr, bool block)
                                case SUCCESS:
                                        return TRUE;
                                default:
-                                       return FALSE;
+                                       if (wr)
+                                       {
+                                               return FALSE;
+                                       }
+                                       break;
                        }
                        break;
                }