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plugin/dynupdate: add durable authenticated RFC 2136 updates (#8520)

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* plugin/dynupdate: add authenticated RFC 2136 updates

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* plugin/dynupdate: fix README test fixtures

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* test: format README fixture map

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* plugin/dynupdate: persist updates and bound writable zones

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* plugin/dynupdate: preserve middleware and fix interoperability fixtures

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* test(dynupdate): validate Kea lifecycle and bounded zone costs

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* plugin/dynupdate: reject duplicate directives and harden client fixtures

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

* plugin/dynupdate: fix update routing and startup validation

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>

---------

Signed-off-by: houyuwushang <liuluoqianqiu@outlook.com>
This commit is contained in:
houyuwushang
2026-09-22 15:53:26 +08:00
committed by GitHub
parent 8d66643935
commit 5aa4dc2941
24 changed files with 4326 additions and 1 deletions
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9
plugin/cache/handler.go vendored
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@@ -15,13 +15,20 @@ import (
// ServeDNS implements the plugin.Handler interface.
func (c *Cache) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
// The cache only handles QUERY messages. In particular, an UPDATE can
// have the same zone name and QTYPE as a cached query, but must always
// reach the authoritative handler instead of being answered from cache.
if r.Opcode != dns.OpcodeQuery {
return plugin.NextOrFailure(c.Name(), c.Next, ctx, w, r)
}
rc := r.Copy() // We potentially modify r, to prevent other plugins from seeing this (r is a pointer), copy r into rc.
state := request.Request{W: w, Req: rc}
do := state.Do()
cd := r.CheckingDisabled
ad := r.AuthenticatedData
if !plugin.Zones(c.Zones).Contains(state.Name()) {
if !plugin.Zones(c.Zones).Contains(state.Name()) || plugin.Zones(c.bypass).Contains(state.Name()) {
return plugin.NextOrFailure(c.Name(), c.Next, ctx, w, rc)
}