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d2ea21d0d8
* use certmagic for more extensible/robust ACME cert handling * accept TOS based on config option Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lauris BH <lauris@nix.lv>
37 lines
953 B
Go
Vendored
37 lines
953 B
Go
Vendored
package dns
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//go:generate go run duplicate_generate.go
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// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL.
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// So this means the header data is equal *and* the RDATA is the same. Returns true
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// if so, otherwise false. It's a protocol violation to have identical RRs in a message.
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func IsDuplicate(r1, r2 RR) bool {
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// Check whether the record header is identical.
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if !r1.Header().isDuplicate(r2.Header()) {
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return false
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}
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// Check whether the RDATA is identical.
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return r1.isDuplicate(r2)
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}
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func (r1 *RR_Header) isDuplicate(_r2 RR) bool {
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r2, ok := _r2.(*RR_Header)
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if !ok {
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return false
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}
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if r1.Class != r2.Class {
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return false
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}
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if r1.Rrtype != r2.Rrtype {
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return false
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}
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if !isDuplicateName(r1.Name, r2.Name) {
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return false
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}
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// ignore TTL
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return true
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}
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// isDuplicateName checks if the domain names s1 and s2 are equal.
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func isDuplicateName(s1, s2 string) bool { return equal(s1, s2) }
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