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fix: tcp_proxy module do not panic on empty script
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parent
b8e48e7f8a
commit
6115ea7e3f
1 changed files with 10 additions and 6 deletions
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@ -145,13 +145,17 @@ func (p *TcpProxy) doPipe(from, to net.Addr, src, dst io.ReadWriter, wg *sync.Wa
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}
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}
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b := buff[:n]
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b := buff[:n]
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if p.script != nil {
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ret := p.script.OnData(from, to, b)
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ret := p.script.OnData(from, to, b)
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if ret != nil {
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if ret != nil {
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nret := len(ret)
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nret := len(ret)
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log.Info("Overriding %d bytes of data from %s to %s with %d bytes of new data.", n, from.String(), to.String(), nret)
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log.Info("Overriding %d bytes of data from %s to %s with %d bytes of new data.",
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n, from.String(), to.String(), nret)
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b = make([]byte, nret)
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b = make([]byte, nret)
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copy(b, ret)
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copy(b, ret)
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}
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}
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}
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n, err = dst.Write(b)
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n, err = dst.Write(b)
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if err != nil {
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if err != nil {
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