diff --git a/shared/nm-libnm-core-intern/nm-libnm-core-utils.c b/shared/nm-libnm-core-intern/nm-libnm-core-utils.c
index 087524bdd4..df2f2e7769 100644
--- a/shared/nm-libnm-core-intern/nm-libnm-core-utils.c
+++ b/shared/nm-libnm-core-intern/nm-libnm-core-utils.c
@@ -165,3 +165,16 @@ nm_client_permission_result_from_string (const char *nm)
 		return NM_CLIENT_PERMISSION_RESULT_AUTH;
 	return NM_CLIENT_PERMISSION_RESULT_UNKNOWN;
 }
+
+const char *
+nm_client_permission_result_to_string (NMClientPermissionResult permission)
+{
+	switch (permission) {
+	case NM_CLIENT_PERMISSION_RESULT_YES:     return "yes";
+	case NM_CLIENT_PERMISSION_RESULT_NO:      return "no";
+	case NM_CLIENT_PERMISSION_RESULT_AUTH:    return "auth";
+	case NM_CLIENT_PERMISSION_RESULT_UNKNOWN: return "unknown";
+	}
+	nm_assert_not_reached ();
+	return NULL;
+}
diff --git a/shared/nm-libnm-core-intern/nm-libnm-core-utils.h b/shared/nm-libnm-core-intern/nm-libnm-core-utils.h
index 398c493d9d..65a6e74ef0 100644
--- a/shared/nm-libnm-core-intern/nm-libnm-core-utils.h
+++ b/shared/nm-libnm-core-intern/nm-libnm-core-utils.h
@@ -106,5 +106,6 @@ NMClientPermission nm_auth_permission_from_string (const char *str);
 /*****************************************************************************/
 
 NMClientPermissionResult nm_client_permission_result_from_string (const char *nm);
+const char *nm_client_permission_result_to_string (NMClientPermissionResult permission);
 
 #endif /* __NM_LIBNM_SHARED_UTILS_H__ */