lib-dcrypt: Allow flushing ostream multiple times.

The first time flushes the encryption and the following times just flush the
parent stream.

diff --git a/src/lib-dcrypt/ostream-encrypt.c b/src/lib-dcrypt/ostream-encrypt.c
index a18fc2bc38886eda3510c6b556cdbb3d6c8e0e2b..aca819eb9359cab79660b2901126e85f2fc803c9 100644 (file)
--- a/src/lib-dcrypt/ostream-encrypt.c
+++ b/src/lib-dcrypt/ostream-encrypt.c
@@ -492,7 +492,11 @@ int o_stream_encrypt_flush(struct ostream_private *stream)
        /* if nothing was written, we are done */
        if (!estream->prefix_written) return o_stream_flush(stream->parent);
 
-       i_assert(!estream->finalized);
+       if (estream->finalized) {
+               /* we've already flushed the encrypted output.
+                  just flush the parent. */
+               return o_stream_flush(stream->parent);
+       }
        estream->finalized = TRUE;
 
        /* acquire last block */