mirror of https://github.com/fatedier/frp
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
2.9 KiB
131 lines
2.9 KiB
// Copyright 2023 The frp 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 transport
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"crypto/rsa"
|
|
"crypto/tls"
|
|
"crypto/x509"
|
|
"encoding/pem"
|
|
"math/big"
|
|
"os"
|
|
)
|
|
|
|
func newCustomTLSKeyPair(certfile, keyfile string) (*tls.Certificate, error) {
|
|
tlsCert, err := tls.LoadX509KeyPair(certfile, keyfile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &tlsCert, nil
|
|
}
|
|
|
|
func newRandomTLSKeyPair() *tls.Certificate {
|
|
key, err := rsa.GenerateKey(rand.Reader, 2048)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
template := x509.Certificate{SerialNumber: big.NewInt(1)}
|
|
certDER, err := x509.CreateCertificate(
|
|
rand.Reader,
|
|
&template,
|
|
&template,
|
|
&key.PublicKey,
|
|
key)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
|
|
certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
|
|
|
|
tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return &tlsCert
|
|
}
|
|
|
|
// Only support one ca file to add
|
|
func newCertPool(caPath string) (*x509.CertPool, error) {
|
|
pool := x509.NewCertPool()
|
|
|
|
caCrt, err := os.ReadFile(caPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
pool.AppendCertsFromPEM(caCrt)
|
|
|
|
return pool, nil
|
|
}
|
|
|
|
func NewServerTLSConfig(certPath, keyPath, caPath string) (*tls.Config, error) {
|
|
base := &tls.Config{}
|
|
|
|
if certPath == "" || keyPath == "" {
|
|
// server will generate tls conf by itself
|
|
cert := newRandomTLSKeyPair()
|
|
base.Certificates = []tls.Certificate{*cert}
|
|
} else {
|
|
cert, err := newCustomTLSKeyPair(certPath, keyPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base.Certificates = []tls.Certificate{*cert}
|
|
}
|
|
|
|
if caPath != "" {
|
|
pool, err := newCertPool(caPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base.ClientAuth = tls.RequireAndVerifyClientCert
|
|
base.ClientCAs = pool
|
|
}
|
|
|
|
return base, nil
|
|
}
|
|
|
|
func NewClientTLSConfig(certPath, keyPath, caPath, serverName string) (*tls.Config, error) {
|
|
base := &tls.Config{}
|
|
|
|
if certPath != "" && keyPath != "" {
|
|
cert, err := newCustomTLSKeyPair(certPath, keyPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base.Certificates = []tls.Certificate{*cert}
|
|
}
|
|
|
|
base.ServerName = serverName
|
|
|
|
if caPath != "" {
|
|
pool, err := newCertPool(caPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base.RootCAs = pool
|
|
base.InsecureSkipVerify = false
|
|
} else {
|
|
base.InsecureSkipVerify = true
|
|
}
|
|
|
|
return base, nil
|
|
}
|