# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1717426987 -10800
# Node ID f83cb031a4a4b43869f7a80c4265f580af3cf0d4
# Parent  32d4582c484d2b43e7b2a273daf60d3b0aaa6914
Mail: fixed EXTERNAL auth to clear s->passwd.

The s->passwd field might be set after previous (failed) authentication
in the same session, and since EXTERNAL authentication did not touch it,
it was sent to the auth server.

diff --git a/src/mail/ngx_mail_handler.c b/src/mail/ngx_mail_handler.c
--- a/src/mail/ngx_mail_handler.c
+++ b/src/mail/ngx_mail_handler.c
@@ -744,6 +744,8 @@ ngx_mail_auth_external(ngx_mail_session_
     s->login.len = external.len;
     s->login.data = external.data;
 
+    ngx_str_null(&s->passwd);
+
     ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
                    "mail auth external: \"%V\"", &s->login);