Add retryOnAuthFailed property

Sources/OpenVPNAdapter/OpenVPNConfiguration.h

@@ -85,6 +85,12 @@ typedef NS_ENUM(NSInteger, OpenVPNTLSCertProfile);
  */
 @property (nonatomic) BOOL autologinSessions;
 
+/**
+ If YES, consider AUTH_FAILED to be a non-fatal error,
+ and retry the connection after a pause.
+ */
+@property (nonatomic) BOOL retryOnAuthFailed;
+
 /**
  If YES, don't send client cert/key to peer
  */

Sources/OpenVPNAdapter/OpenVPNConfiguration.mm

@@ -340,6 +340,14 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
     _config.autologinSessions = autologinSessions;
 }
 
+- (BOOL)retryOnAuthFailed {
+    return _config.retryOnAuthFailed;
+}
+
+- (void)setRetryOnAuthFailed:(BOOL)retryOnAuthFailed {
+    _config.retryOnAuthFailed = retryOnAuthFailed;
+}
+
 - (BOOL)disableClientCert {
     return _config.disableClientCert;
 }