From 95d189ca72040ab4972886c616e881b739b180e5 Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@gmail.com>
Date: Sat, 7 Mar 2020 21:34:38 -0600
Subject: [PATCH] SSH2: try logging in with none as an auth method first

---
 phpseclib/Net/SSH2.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 7b463de4..dc647fbe 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2132,6 +2132,15 @@ class Net_SSH2
     {
         $args = func_get_args();
         $this->auth[] = $args;
+
+        // try logging with 'none' as an authentication method first since that's what
+        // PuTTY does
+        if ($this->_login($username)) {
+            return true;
+        }
+        if (count($args) == 1) {
+            return false;
+        }
         return call_user_func_array(array(&$this, '_login'), $args);
     }