From: Timo Sirainen <tss@iki.fi>
Date: Wed, 7 Sep 2011 08:02:55 +0000 (+0300)
Subject: lib-ssl-iostream: When plain_output's buffer is full, set it flush-pending.
X-Git-Tag: 2.1.alpha2~54
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e21a2c0821c559080550ead6a901f613e59af10e;p=thirdparty%2Fdovecot%2Fcore.git

lib-ssl-iostream: When plain_output's buffer is full, set it flush-pending.
This fixes hangs when the output buffer got full.
---

diff --git a/src/lib-ssl-iostream/iostream-openssl.c b/src/lib-ssl-iostream/iostream-openssl.c
index 81e5f26d35..cfd56a33d3 100644
--- a/src/lib-ssl-iostream/iostream-openssl.c
+++ b/src/lib-ssl-iostream/iostream-openssl.c
@@ -268,6 +268,8 @@ static bool ssl_iostream_bio_output(struct ssl_iostream *ssl_io)
 		if (bytes > max_bytes) {
 			if (max_bytes == 0) {
 				/* wait until output buffer clears */
+				o_stream_set_flush_pending(ssl_io->plain_output,
+							   TRUE);
 				break;
 			}
 			bytes = max_bytes;