Fix: custom openvpn config settings log

internal/configuration/openvpn.go

@@ -50,10 +50,14 @@ func (settings *OpenVPN) lines() (lines []string) {
 		lines = append(lines, indent+lastIndent+"Custom configuration: "+settings.Config)
 	}
 
+	if settings.Provider.Name == "" {
+		lines = append(lines, indent+lastIndent+"Provider: custom configuration")
+	} else {
 		lines = append(lines, indent+lastIndent+"Provider:")
 		for _, line := range settings.Provider.lines() {
 			lines = append(lines, indent+indent+line)
 		}
+	}
 
 	return lines
 }
@@ -81,8 +85,12 @@ func (settings *OpenVPN) read(r reader) (err error) {
 	if err != nil {
 		return err
 	}
-
+	customConfig := settings.Config != ""
-	credentialsRequired := len(settings.Config) == 0
+	credentialsRequired := true
+	if customConfig {
+		credentialsRequired = false
+		settings.Provider.Name = ""
+	}
 
 	settings.User, err = r.getFromEnvOrSecretFile("OPENVPN_USER", credentialsRequired, []string{"USER"})
 	if err != nil {
@@ -134,6 +142,8 @@ func (settings *OpenVPN) read(r reader) (err error) {
 
 	var readProvider func(r reader) error
 	switch settings.Provider.Name {
+	case "": // custom config
+		readProvider = func(r reader) error { return nil }
 	case constants.Cyberghost:
 		readProvider = settings.Provider.readCyberghost
 	case constants.Fastestvpn: