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243797a387
A NSEC record is need to deny any other name that might exist. Also don't blindly perform the interface conversion when getting glue for NS records as they now may include RRSIG - also add tests for that.
25 lines
465 B
Go
25 lines
465 B
Go
package file
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import (
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"github.com/miekg/coredns/middleware/file/tree"
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"github.com/miekg/dns"
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)
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// ClosestEncloser returns the closest encloser for qname.
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func (z *Zone) ClosestEncloser(qname string) (*tree.Elem, bool) {
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offset, end := dns.NextLabel(qname, 0)
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for !end {
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elem, _ := z.Tree.Search(qname)
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if elem != nil {
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return elem, true
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}
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qname = qname[offset:]
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offset, end = dns.NextLabel(qname, offset)
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}
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return z.Tree.Search(z.origin)
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}
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