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84 lines
2.0 KiB
84 lines
2.0 KiB
4 months ago
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// Copyright 2024 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !frps
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package plugin
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import (
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"context"
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"crypto/tls"
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"io"
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"net"
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libio "github.com/fatedier/golib/io"
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v1 "github.com/fatedier/frp/pkg/config/v1"
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"github.com/fatedier/frp/pkg/transport"
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netpkg "github.com/fatedier/frp/pkg/util/net"
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"github.com/fatedier/frp/pkg/util/xlog"
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)
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func init() {
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Register(v1.PluginTLS2Raw, NewTLS2RawPlugin)
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}
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type TLS2RawPlugin struct {
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opts *v1.TLS2RawPluginOptions
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tlsConfig *tls.Config
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}
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func NewTLS2RawPlugin(options v1.ClientPluginOptions) (Plugin, error) {
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opts := options.(*v1.TLS2RawPluginOptions)
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p := &TLS2RawPlugin{
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opts: opts,
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}
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tlsConfig, err := transport.NewServerTLSConfig(p.opts.CrtPath, p.opts.KeyPath, "")
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if err != nil {
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return nil, err
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}
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p.tlsConfig = tlsConfig
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return p, nil
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}
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func (p *TLS2RawPlugin) Handle(ctx context.Context, conn io.ReadWriteCloser, realConn net.Conn, _ *ExtraInfo) {
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xl := xlog.FromContextSafe(ctx)
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wrapConn := netpkg.WrapReadWriteCloserToConn(conn, realConn)
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tlsConn := tls.Server(wrapConn, p.tlsConfig)
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if err := tlsConn.Handshake(); err != nil {
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xl.Warnf("tls handshake error: %v", err)
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return
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}
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rawConn, err := net.Dial("tcp", p.opts.LocalAddr)
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if err != nil {
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xl.Warnf("dial to local addr error: %v", err)
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return
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}
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libio.Join(tlsConn, rawConn)
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}
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func (p *TLS2RawPlugin) Name() string {
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return v1.PluginTLS2Raw
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}
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func (p *TLS2RawPlugin) Close() error {
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return nil
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}
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