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fix: compatible issue when DNS msg not be compressed (#646)

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Co-authored-by: mzz2017 <2017@duck.com>
This commit is contained in:
Ekko 2024-09-24 22:06:37 +08:00 committed by GitHub
parent a70b6bd9b6
commit a7675988d8
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1 changed files with 3 additions and 0 deletions
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3
control/dns_control.go
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@ -166,6 +166,7 @@ func (c *DnsController) LookupDnsRespCache_(msg *dnsmessage.Msg, cacheKey string
cache := c.LookupDnsRespCache(cacheKey, ignoreFixedTtl)
if cache != nil {
cache.FillInto(msg)
msg.Compress = true
b, err := msg.Pack()
if err != nil {
c.log.Warnf("failed to pack: %v", err)
@ -497,6 +498,7 @@ func (c *DnsController) sendReject_(dnsMessage *dnsmessage.Msg, req *udpRequest)
dnsMessage.Response = true
dnsMessage.RecursionAvailable = true
dnsMessage.Truncated = false
dnsMessage.Compress = true
if c.log.IsLevelEnabled(logrus.TraceLevel) {
c.log.WithFields(logrus.Fields{
"question": dnsMessage.Question,
@ -756,6 +758,7 @@ func (c *DnsController) dialSend(invokingDepth int, req *udpRequest, data []byte
if needResp {
// Keep the id the same with request.
respMsg.Id = id
respMsg.Compress = true
data, err = respMsg.Pack()
if err != nil {
return err