From: Stephan Bosch <stephan.bosch@dovecot.fi>
Date: Fri, 28 Dec 2018 18:16:26 +0000 (+0100)
Subject: submssion: DATA command: Seek data stream to the beginning before executing backends.
X-Git-Tag: 2.3.9~928
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=007bbe18fefb7478e7e3fbe8497c6d379e5bfeba;p=thirdparty%2Fdovecot%2Fcore.git

submssion: DATA command: Seek data stream to the beginning before executing backends.
---

diff --git a/src/submission/submission-backend.c b/src/submission/submission-backend.c
index 4121fcb4e6..9c590702cb 100644
--- a/src/submission/submission-backend.c
+++ b/src/submission/submission-backend.c
@@ -388,6 +388,10 @@ int submission_backends_cmd_data(struct client *client,
 
 	i_assert(array_count(&client->rcpt_backends) > 0);
 
+	/* Make sure data input stream is at the beginning (plugins may have
+	   messed with it. */
+	i_stream_seek(data_input, 0);
+
 	/* create the data_input streams first */
 	array_foreach_modifiable(&client->rcpt_backends, bkp) {
 		struct submission_backend *backend = *bkp;