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dns: just return the request packet back when dnsnoaaaa enabled

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nadoo 2022-01-23 11:09:35 +08:00
parent 773d5d3b9d
commit d3fbef02bb
1 changed files with 3 additions and 2 deletions
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5
dns/client.go
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@ -67,8 +67,9 @@ func (c *Client) Exchange(reqBytes []byte, clientAddr string, preferTCP bool) ([
} }
if c.config.NoAAAA && req.Question.QTYPE == QTypeAAAA { if c.config.NoAAAA && req.Question.QTYPE == QTypeAAAA {
req.SetMsgType(ResponseMsg) respBytes := valCopy(reqBytes)
return req.Marshal() respBytes[2] |= uint8(ResponseMsg) << 7
return respBytes, nil
} }
if req.Question.QTYPE == QTypeA || req.Question.QTYPE == QTypeAAAA { if req.Question.QTYPE == QTypeA || req.Question.QTYPE == QTypeAAAA {