Don't enable GSSAPI method if principal is not set #81 (#82)

pear · Apr 14, 2024 · 7aa40a6 · 7aa40a6
1 parent c8c4c2b
commit 7aa40a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Net/SMTP.php b/Net/SMTP.php
@@ -213,7 +213,7 @@ public function __construct($host = null, $port = null, $localhost = null,
         $this->gssapi_cname     = $gssapi_cname;
 
         /* If PHP krb5 extension is loaded, we enable GSSAPI method. */
-        if (extension_loaded('krb5')) {
+        if (isset($gssapi_principal) && extension_loaded('krb5')) {
             $this->setAuthMethod('GSSAPI', array($this, 'authGSSAPI'));
         }