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fix(ztls): move handshake to goroutine to prevent indefinite hang #966

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allornothingai wants to merge 2 commits into from
+15 −13
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fix(ztls): move handshake to goroutine to prevent indefinite hang #966

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80d1951
fix(ztls): move handshake to goroutine to prevent indefinite hang
allornothingai Mar 19, 2026
0b844ed
style(ztls): follow Go convention by passing context as first parameter
Mar 19, 2026
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22 changes: 12 additions & 10 deletions pkg/tlsx/ztls/ztls.go
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Original file line number Diff line number Diff line change
Expand Up @@ -320,20 +320,22 @@ func (c *Client) getConfig(hostname, ip, port string, options clients.ConnectOpt
return config, nil
}

// tlsHandshakeWithCtx attempts tls handshake with given timeout
// tlsHandshakeWithTimeout attempts tls handshake with given timeout
func (c *Client) tlsHandshakeWithTimeout(tlsConn *tls.Conn, ctx context.Context) error {
errChan := make(chan error, 1)
defer close(errChan)

go func() {
errChan <- tlsConn.Handshake()
}()

select {
case <-ctx.Done():
return errorutil.NewWithTag("ztls", "timeout while attempting handshake") //nolint
case errChan <- tlsConn.Handshake():
}

err := <-errChan
if err == tls.ErrCertsOnly {
err = nil
return errorutil.NewWithTag("ztls", "timeout while attempting handshake").Wrap(ctx.Err()) //nolint
case err := <-errChan:
if err == tls.ErrCertsOnly {
err = nil
}
return err
}
return err
}