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DNS: prevent panic from rejecting invalid domain

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风扇滑翔翼 2025-07-16 14:51:45 +00:00 • committed by GitHub
parent cb1afb33e6
commit d72ce8ee91
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1 changed files with 7 additions and 2 deletions
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9
proxy/dns/dns.go
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@ -338,11 +338,16 @@ func (h *Handler) rejectNonIPQuery(id uint16, qType dnsmessage.Type, domain stri
}) })
builder.EnableCompression() builder.EnableCompression()
common.Must(builder.StartQuestions()) common.Must(builder.StartQuestions())
common.Must(builder.Question(dnsmessage.Question{ err := builder.Question(dnsmessage.Question{
Name: dnsmessage.MustNewName(domain), Name: dnsmessage.MustNewName(domain),
Class: dnsmessage.ClassINET, Class: dnsmessage.ClassINET,
Type: qType, Type: qType,
})) })
if err != nil {
errors.LogInfo(context.Background(), "unexpected domain ", domain, " when building reject message: ", err)
b.Release()
return
}
msgBytes, err := builder.Finish() msgBytes, err := builder.Finish()
if err != nil { if err != nil {