summaryrefslogtreecommitdiffstats
path: root/vendor/google.golang.org/grpc/credentials/credentials_util_go17.go
blob: 60409aac0fbc6b52145183fee31473d95ac54571 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
// +build go1.7
// +build !go1.8

/*
 *
 * Copyright 2016 gRPC 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.
 *
 */

package credentials

import (
	"crypto/tls"
)

// cloneTLSConfig returns a shallow clone of the exported
// fields of cfg, ignoring the unexported sync.Once, which
// contains a mutex and must not be copied.
//
// If cfg is nil, a new zero tls.Config is returned.
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
	if cfg == nil {
		return &tls.Config{}
	}
	return &tls.Config{
		Rand:                        cfg.Rand,
		Time:                        cfg.Time,
		Certificates:                cfg.Certificates,
		NameToCertificate:           cfg.NameToCertificate,
		GetCertificate:              cfg.GetCertificate,
		RootCAs:                     cfg.RootCAs,
		NextProtos:                  cfg.NextProtos,
		ServerName:                  cfg.ServerName,
		ClientAuth:                  cfg.ClientAuth,
		ClientCAs:                   cfg.ClientCAs,
		InsecureSkipVerify:          cfg.InsecureSkipVerify,
		CipherSuites:                cfg.CipherSuites,
		PreferServerCipherSuites:    cfg.PreferServerCipherSuites,
		SessionTicketsDisabled:      cfg.SessionTicketsDisabled,
		SessionTicketKey:            cfg.SessionTicketKey,
		ClientSessionCache:          cfg.ClientSessionCache,
		MinVersion:                  cfg.MinVersion,
		MaxVersion:                  cfg.MaxVersion,
		CurvePreferences:            cfg.CurvePreferences,
		DynamicRecordSizingDisabled: cfg.DynamicRecordSizingDisabled,
		Renegotiation:               cfg.Renegotiation,
	}
}