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Fix uTLS ALPN
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parent
a0d8e374fb
commit
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@ -111,6 +111,16 @@ func (e *RealityClientConfig) ClientHandshake(ctx context.Context, conn net.Conn
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if err != nil {
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return nil, err
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}
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if len(uConfig.NextProtos) > 0 {
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for _, extension := range uConn.Extensions {
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if alpnExtension, isALPN := extension.(*utls.ALPNExtension); isALPN {
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alpnExtension.AlpnProtocols = uConfig.NextProtos
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break
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}
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}
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}
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hello := uConn.HandshakeState.Hello
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hello.SessionId = make([]byte, 32)
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copy(hello.Raw[39:], hello.SessionId)
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@ -3,6 +3,7 @@
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package tls
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import (
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"context"
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"crypto/tls"
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"crypto/x509"
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"math/rand"
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@ -47,7 +48,7 @@ func (e *UTLSClientConfig) Config() (*STDConfig, error) {
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}
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func (e *UTLSClientConfig) Client(conn net.Conn) (Conn, error) {
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return &utlsConnWrapper{utls.UClient(conn, e.config.Clone(), e.id)}, nil
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return &utlsALPNWrapper{utlsConnWrapper{utls.UClient(conn, e.config.Clone(), e.id)}, e.config.NextProtos}, nil
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}
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func (e *UTLSClientConfig) SetSessionIDGenerator(generator func(clientHello []byte, sessionID []byte) error) {
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@ -87,6 +88,31 @@ func (c *utlsConnWrapper) Upstream() any {
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return c.UConn
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}
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type utlsALPNWrapper struct {
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utlsConnWrapper
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nextProtocols []string
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}
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func (c *utlsALPNWrapper) HandshakeContext(ctx context.Context) error {
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if len(c.nextProtocols) > 0 {
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err := c.BuildHandshakeState()
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if err != nil {
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return err
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}
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for _, extension := range c.Extensions {
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if alpnExtension, isALPN := extension.(*utls.ALPNExtension); isALPN {
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alpnExtension.AlpnProtocols = c.nextProtocols
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err = c.BuildHandshakeState()
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if err != nil {
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return err
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}
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break
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}
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}
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}
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return c.UConn.HandshakeContext(ctx)
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}
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func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (*UTLSClientConfig, error) {
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var serverName string
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if options.ServerName != "" {
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