mirror of https://github.com/tikv/client-go.git
107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
// Copyright 2021 TiKV 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.
|
|
|
|
// NOTE: The code in this file is based on code from the
|
|
// TiDB project, licensed under the Apache License v 2.0
|
|
//
|
|
// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/config/security.go
|
|
//
|
|
|
|
// Copyright 2021 PingCAP, Inc.
|
|
//
|
|
// 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 config
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"crypto/x509"
|
|
"os"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// Security is the security section of the config.
|
|
type Security struct {
|
|
ClusterSSLCA string `toml:"cluster-ssl-ca" json:"cluster-ssl-ca"`
|
|
ClusterSSLCert string `toml:"cluster-ssl-cert" json:"cluster-ssl-cert"`
|
|
ClusterSSLKey string `toml:"cluster-ssl-key" json:"cluster-ssl-key"`
|
|
ClusterVerifyCN []string `toml:"cluster-verify-cn" json:"cluster-verify-cn"`
|
|
}
|
|
|
|
// NewSecurity creates a Security.
|
|
func NewSecurity(sslCA, sslCert, sslKey string, verityCN []string) Security {
|
|
return Security{
|
|
ClusterSSLCA: sslCA,
|
|
ClusterSSLCert: sslCert,
|
|
ClusterSSLKey: sslKey,
|
|
ClusterVerifyCN: verityCN,
|
|
}
|
|
}
|
|
|
|
// ToTLSConfig generates tls's config based on security section of the config.
|
|
func (s *Security) ToTLSConfig() (tlsConfig *tls.Config, err error) {
|
|
if len(s.ClusterSSLCA) != 0 {
|
|
certPool := x509.NewCertPool()
|
|
// Create a certificate pool from the certificate authority
|
|
var ca []byte
|
|
ca, err = os.ReadFile(s.ClusterSSLCA)
|
|
if err != nil {
|
|
err = errors.Errorf("could not read ca certificate: %s", err)
|
|
return
|
|
}
|
|
// Append the certificates from the CA
|
|
if !certPool.AppendCertsFromPEM(ca) {
|
|
err = errors.New("failed to append ca certs")
|
|
return
|
|
}
|
|
tlsConfig = &tls.Config{
|
|
RootCAs: certPool,
|
|
ClientCAs: certPool,
|
|
}
|
|
|
|
if len(s.ClusterSSLCert) != 0 && len(s.ClusterSSLKey) != 0 {
|
|
getCert := func() (*tls.Certificate, error) {
|
|
// Load the client certificates from disk
|
|
cert, err := tls.LoadX509KeyPair(s.ClusterSSLCert, s.ClusterSSLKey)
|
|
if err != nil {
|
|
return nil, errors.Errorf("could not load client key pair: %s", err)
|
|
}
|
|
return &cert, nil
|
|
}
|
|
// pre-test cert's loading.
|
|
if _, err = getCert(); err != nil {
|
|
return
|
|
}
|
|
tlsConfig.GetClientCertificate = func(info *tls.CertificateRequestInfo) (certificate *tls.Certificate, err error) {
|
|
return getCert()
|
|
}
|
|
tlsConfig.GetCertificate = func(info *tls.ClientHelloInfo) (certificate *tls.Certificate, err error) {
|
|
return getCert()
|
|
}
|
|
}
|
|
}
|
|
return
|
|
}
|