forked from Mxmilu666/frp
Merge remote-tracking branch 'upstream/dev' into dev
This commit is contained in:
@@ -17,24 +17,21 @@
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package proxy
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import (
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"io"
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"net"
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"reflect"
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"strconv"
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"time"
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"github.com/fatedier/golib/errors"
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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/msg"
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"github.com/fatedier/frp/pkg/proto/udp"
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"github.com/fatedier/frp/pkg/util/limit"
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netpkg "github.com/fatedier/frp/pkg/util/net"
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)
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func init() {
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RegisterProxyFactory(reflect.TypeOf(&v1.UDPProxyConfig{}), NewUDPProxy)
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RegisterProxyFactory(reflect.TypeFor[*v1.UDPProxyConfig](), NewUDPProxy)
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}
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type UDPProxy struct {
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@@ -94,42 +91,30 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
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// close resources related with old workConn
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pxy.Close()
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var rwc io.ReadWriteCloser = conn
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var err error
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if pxy.limiter != nil {
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rwc = libio.WrapReadWriteCloser(limit.NewReader(conn, pxy.limiter), limit.NewWriter(conn, pxy.limiter), func() error {
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return conn.Close()
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})
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remote, _, err := pxy.wrapWorkConn(conn, pxy.encryptionKey)
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if err != nil {
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xl.Errorf("wrap work connection: %v", err)
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return
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}
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if pxy.cfg.Transport.UseEncryption {
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rwc, err = libio.WithEncryption(rwc, pxy.encryptionKey)
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if err != nil {
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conn.Close()
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xl.Errorf("create encryption stream error: %v", err)
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return
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}
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}
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if pxy.cfg.Transport.UseCompression {
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rwc = libio.WithCompression(rwc)
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}
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conn = netpkg.WrapReadWriteCloserToConn(rwc, conn)
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pxy.mu.Lock()
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pxy.workConn = conn
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pxy.workConn = netpkg.WrapReadWriteCloserToConn(remote, conn)
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// Plain UDP payload follows the configured wire protocol for message framing.
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payloadRW := msg.NewReadWriter(pxy.workConn, pxy.clientCfg.Transport.WireProtocol)
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pxy.readCh = make(chan *msg.UDPPacket, 1024)
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pxy.sendCh = make(chan msg.Message, 1024)
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pxy.closed = false
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pxy.mu.Unlock()
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workConnReaderFn := func(conn net.Conn, readCh chan *msg.UDPPacket) {
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workConnReaderFn := func(rw msg.ReadWriter, readCh chan *msg.UDPPacket) {
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for {
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var udpMsg msg.UDPPacket
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if errRet := msg.ReadMsgInto(conn, &udpMsg); errRet != nil {
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if errRet := rw.ReadMsgInto(&udpMsg); errRet != nil {
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xl.Warnf("read from workConn for udp error: %v", errRet)
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return
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}
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if errRet := errors.PanicToError(func() {
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xl.Tracef("get udp package from workConn: %s", udpMsg.Content)
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xl.Tracef("get udp package from workConn, len: %d", len(udpMsg.Content))
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readCh <- &udpMsg
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}); errRet != nil {
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xl.Infof("reader goroutine for udp work connection closed: %v", errRet)
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@@ -137,7 +122,7 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
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}
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}
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}
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workConnSenderFn := func(conn net.Conn, sendCh chan msg.Message) {
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workConnSenderFn := func(rw msg.ReadWriter, sendCh chan msg.Message) {
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defer func() {
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xl.Infof("writer goroutine for udp work connection closed")
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}()
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@@ -145,11 +130,11 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
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for rawMsg := range sendCh {
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switch m := rawMsg.(type) {
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case *msg.UDPPacket:
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xl.Tracef("send udp package to workConn: %s", m.Content)
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xl.Tracef("send udp package to workConn, len: %d", len(m.Content))
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case *msg.Ping:
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xl.Tracef("send ping message to udp workConn")
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}
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if errRet = msg.WriteMsg(conn, rawMsg); errRet != nil {
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if errRet = rw.WriteMsg(rawMsg); errRet != nil {
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xl.Errorf("udp work write error: %v", errRet)
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return
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}
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@@ -168,8 +153,8 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, _ *msg.StartWorkConn) {
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}
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}
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go workConnSenderFn(pxy.workConn, pxy.sendCh)
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go workConnReaderFn(pxy.workConn, pxy.readCh)
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go workConnSenderFn(payloadRW, pxy.sendCh)
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go workConnReaderFn(payloadRW, pxy.readCh)
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go heartbeatFn(pxy.sendCh)
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// Call Forwarder with proxy protocol version (empty string means no proxy protocol)
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