forked from cockroachdb/cockroach
/
tls.go
44 lines (39 loc) · 1.55 KB
/
tls.go
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// Copyright 2014 The Cockroach Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License. See the AUTHORS file
// for names of contributors.
//
// Author: jqmp (jaqueramaphan@gmail.com)
package rpc
// TODO(jqmp): The use of TLS here is just a proof of concept; its security
// properties haven't been analyzed or audited.
import (
"crypto/tls"
"net"
"strings"
"github.com/cockroachdb/cockroach/util/log"
)
// tlsListen wraps either net.Listen or crypto/tls.Listen, depending on the contents of
// the passed TLS Config.
func tlsListen(network, address string, config *tls.Config) (net.Listener, error) {
if config == nil {
// Warn if starting a network-accessible server without TLS.
// Unix sockets can't use TLS but have other security mechanisms.
// Port 0 is mainly used for transient test servers so we don't warn in this case.
if network != "unix" && !strings.HasSuffix(address, ":0") {
log.Warningf("listening via %s to %s without TLS", network, address)
}
return net.Listen(network, address)
}
return tls.Listen(network, address, config)
}