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19 lines
439 B
Go
19 lines
439 B
Go
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package hosts
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import "github.com/miekg/dns"
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// isWildcardName reports whether name is a wildcard owner name (*.example.com.).
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func isWildcardName(name string) bool {
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return len(name) >= 2 && name[0] == '*' && name[1] == '.'
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}
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// replaceWithAsteriskLabel replaces the leftmost label with '*'.
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func replaceWithAsteriskLabel(qname string) string {
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i, shot := dns.NextLabel(qname, 0)
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if shot {
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return ""
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}
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return "*." + qname[i:]
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}
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