# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1407226927 -14400
# Node ID 4b8a54df08dec2c31137ec7cc192ee4b9ccfba93
# Parent  b8188afb3bbb70bac7819abf60029f8b9a8bc61e
Mail: discard pipelined commands after SMTP STARTTLS.

The bug had appeared in nginx 1.5.6 (04e43d03e153).

Reported by Chris Boulton.

diff --git a/src/mail/ngx_mail_smtp_handler.c b/src/mail/ngx_mail_smtp_handler.c
--- a/src/mail/ngx_mail_smtp_handler.c
+++ b/src/mail/ngx_mail_smtp_handler.c
@@ -777,6 +777,9 @@ ngx_mail_smtp_starttls(ngx_mail_session_
             ngx_str_null(&s->smtp_from);
             ngx_str_null(&s->smtp_to);
 
+            s->buffer->pos = s->buffer->start;
+            s->buffer->last = s->buffer->start;
+
             c->read->handler = ngx_mail_starttls_handler;
             return NGX_OK;
         }