in lib/omniauth-ldap/adaptor.rb [135:154]
def tls_options(translated_method)
return {} if translated_method == nil
options = default_options
if @tls_options
configured_options = sanitize_hash_values(@tls_options)
configured_options = symbolize_hash_keys(configured_options)
options.merge!(configured_options)
end
options[:ca_file] = @ca_file if @ca_file
options[:ssl_version] = @ssl_version if @ssl_version
options
end