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request/cache: bind responses and entries to QCLASS (#8272)

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Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>
This commit is contained in:
houyuwushang
2026-07-11 06:18:27 +08:00
committed by GitHub
parent 2d42f0e8f5
commit 6ec70a0603
8 changed files with 89 additions and 12 deletions
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7
plugin/cache/cache.go vendored
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@@ -95,7 +95,7 @@ func key(qname string, m *dns.Msg, t response.Type, do, cd bool) (bool, uint64)
return false, 0
}
return true, hash(qname, m.Question[0].Qtype, do, cd)
return true, hash(qname, m.Question[0].Qtype, m.Question[0].Qclass, do, cd)
}
func hasSOA(m *dns.Msg) bool {
@@ -110,7 +110,7 @@ func hasSOA(m *dns.Msg) bool {
var one = []byte("1")
var zero = []byte("0")
func hash(qname string, qtype uint16, do, cd bool) uint64 {
func hash(qname string, qtype, qclass uint16, do, cd bool) uint64 {
h := fnv.New64()
if do {
@@ -128,6 +128,9 @@ func hash(qname string, qtype uint16, do, cd bool) uint64 {
var qtypeBytes [2]byte
binary.BigEndian.PutUint16(qtypeBytes[:], qtype)
h.Write(qtypeBytes[:])
var qclassBytes [2]byte
binary.BigEndian.PutUint16(qclassBytes[:], qclass)
h.Write(qclassBytes[:])
h.Write([]byte(qname))
return h.Sum64()
}