From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Tue, 30 Mar 2021 19:48:24 +0000 (+0200)
Subject: lib-smtp: smtp-client-connection - Prevent recording extra capabilities from server... 
X-Git-Tag: 2.3.15~59
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e687bb3af663bd351a01d2d16d4e57dd382c267b;p=thirdparty%2Fdovecot%2Fcore.git

lib-smtp: smtp-client-connection - Prevent recording extra capabilities from server more than once.
---

diff --git a/src/lib-smtp/smtp-client-connection.c b/src/lib-smtp/smtp-client-connection.c
index 27e1bc03f9..f273c0beee 100644
--- a/src/lib-smtp/smtp-client-connection.c
+++ b/src/lib-smtp/smtp-client-connection.c
@@ -912,6 +912,8 @@ smtp_client_connection_record_extra_capability(
 		conn, cap_name);
 	if (ccap_extra == NULL)
 		return;
+	if (smtp_client_connection_get_extra_capability(conn, cap_name) != NULL)
+		return;
 
 	if (!array_is_created(&conn->caps.extra))
 		p_array_init(&conn->caps.extra, pool, 4);