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47 lines
1 KiB
Go
47 lines
1 KiB
Go
package vless
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import (
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"context"
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"errors"
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"net"
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tlsC "github.com/Dreamacro/clash/component/tls"
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C "github.com/Dreamacro/clash/constant"
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xtls "github.com/xtls/go"
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)
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var (
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ErrNotTLS13 = errors.New("XTLS Vision based on TLS 1.3 outer connection")
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)
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type XTLSConfig struct {
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Host string
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SkipCertVerify bool
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Fingerprint string
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NextProtos []string
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}
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func StreamXTLSConn(conn net.Conn, cfg *XTLSConfig) (net.Conn, error) {
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xtlsConfig := &xtls.Config{
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ServerName: cfg.Host,
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InsecureSkipVerify: cfg.SkipCertVerify,
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NextProtos: cfg.NextProtos,
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}
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if len(cfg.Fingerprint) == 0 {
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xtlsConfig = tlsC.GetGlobalXTLSConfig(xtlsConfig)
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} else {
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var err error
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if xtlsConfig, err = tlsC.GetSpecifiedFingerprintXTLSConfig(xtlsConfig, cfg.Fingerprint); err != nil {
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return nil, err
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}
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}
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xtlsConn := xtls.Client(conn, xtlsConfig)
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// fix xtls handshake not timeout
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ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
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defer cancel()
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err := xtlsConn.HandshakeContext(ctx)
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return xtlsConn, err
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}
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