mirror of
https://gitee.com/IrisVega/frp.git
synced 2024-11-01 22:31:29 +08:00
91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
// Copyright 2016 fatedier, fatedier@gmail.com
|
|
//
|
|
// 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 vhost
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"io"
|
|
"net"
|
|
"time"
|
|
|
|
libnet "github.com/fatedier/golib/net"
|
|
)
|
|
|
|
type HTTPSMuxer struct {
|
|
*Muxer
|
|
}
|
|
|
|
func NewHTTPSMuxer(listener net.Listener, timeout time.Duration) (*HTTPSMuxer, error) {
|
|
mux, err := NewMuxer(listener, GetHTTPSHostname, timeout)
|
|
mux.SetFailHookFunc(vhostFailed)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &HTTPSMuxer{mux}, err
|
|
}
|
|
|
|
func GetHTTPSHostname(c net.Conn) (_ net.Conn, _ map[string]string, err error) {
|
|
reqInfoMap := make(map[string]string, 0)
|
|
sc, rd := libnet.NewSharedConn(c)
|
|
|
|
clientHello, err := readClientHello(rd)
|
|
if err != nil {
|
|
return nil, reqInfoMap, err
|
|
}
|
|
|
|
reqInfoMap["Host"] = clientHello.ServerName
|
|
reqInfoMap["Scheme"] = "https"
|
|
return sc, reqInfoMap, nil
|
|
}
|
|
|
|
func readClientHello(reader io.Reader) (*tls.ClientHelloInfo, error) {
|
|
var hello *tls.ClientHelloInfo
|
|
|
|
// Note that Handshake always fails because the readOnlyConn is not a real connection.
|
|
// As long as the Client Hello is successfully read, the failure should only happen after GetConfigForClient is called,
|
|
// so we only care about the error if hello was never set.
|
|
err := tls.Server(readOnlyConn{reader: reader}, &tls.Config{
|
|
GetConfigForClient: func(argHello *tls.ClientHelloInfo) (*tls.Config, error) {
|
|
hello = &tls.ClientHelloInfo{}
|
|
*hello = *argHello
|
|
return nil, nil
|
|
},
|
|
}).Handshake()
|
|
|
|
if hello == nil {
|
|
return nil, err
|
|
}
|
|
return hello, nil
|
|
}
|
|
|
|
func vhostFailed(c net.Conn) {
|
|
// Alert with alertUnrecognizedName
|
|
_ = tls.Server(c, &tls.Config{}).Handshake()
|
|
c.Close()
|
|
}
|
|
|
|
type readOnlyConn struct {
|
|
reader io.Reader
|
|
}
|
|
|
|
func (conn readOnlyConn) Read(p []byte) (int, error) { return conn.reader.Read(p) }
|
|
func (conn readOnlyConn) Write(_ []byte) (int, error) { return 0, io.ErrClosedPipe }
|
|
func (conn readOnlyConn) Close() error { return nil }
|
|
func (conn readOnlyConn) LocalAddr() net.Addr { return nil }
|
|
func (conn readOnlyConn) RemoteAddr() net.Addr { return nil }
|
|
func (conn readOnlyConn) SetDeadline(_ time.Time) error { return nil }
|
|
func (conn readOnlyConn) SetReadDeadline(_ time.Time) error { return nil }
|
|
func (conn readOnlyConn) SetWriteDeadline(_ time.Time) error { return nil }
|