From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Wed, 26 Jul 2017 16:47:16 +0000 (+0300)
Subject: imap: Flush response to client before starting possibly long operation
X-Git-Tag: 2.2.32.rc2~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a9fc39fe95941be50c721f4f52163f318d83d483;p=thirdparty%2Fdovecot%2Fcore.git

imap: Flush response to client before starting possibly long operation

Fixes Error: Timeout communicating with /var/run/dovecot/imap-master (version received)
---

diff --git a/src/imap/imap-master-client.c b/src/imap/imap-master-client.c
index 9f311d512a..e00b463186 100644
--- a/src/imap/imap-master-client.c
+++ b/src/imap/imap-master-client.c
@@ -217,6 +217,7 @@ imap_master_client_input_args(struct connection *conn, const char *const *args,
 	   potentially a long time. imap-hibernate process is waiting for us
 	   to answer. Even if we fail later, we log the error anyway. */
 	o_stream_nsend_str(conn->output, "+\n");
+	(void)o_stream_flush(conn->output);
 
 	/* NOTE: before client_create_from_input() on failures we need to close
 	   fd_client, but afterward it gets closed by client_destroy() */