Pull request 1812: AG-21286

Merge in DNS/adguard-home from AG-21286 to master

Squashed commit of the following:

commit 587b4a3704fd63aa3da6c1be83f8a49bf4e27b00
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Apr 11 14:15:05 2023 +0300

    all: fix negative pause duration

internal/dnsforward/http.go

@@ -101,7 +101,7 @@ type jsonDNSConfig struct {
 }
 
 func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
-	protectionEnabled := s.UpdatedProtectionStatus()
+	protectionEnabled, protectionDisabledUntil := s.UpdatedProtectionStatus()
 
 	s.serverLock.RLock()
 	defer s.serverLock.RUnlock()
@@ -128,12 +128,6 @@ func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
 	usePrivateRDNS := s.conf.UsePrivateRDNS
 	localPTRUpstreams := stringutil.CloneSliceOrEmpty(s.conf.LocalPTRResolvers)
 
-	var disabledUntil *time.Time
-	if s.conf.ProtectionDisabledUntil != nil {
-		t := *s.conf.ProtectionDisabledUntil
-		disabledUntil = &t
-	}
-
 	var upstreamMode string
 	if s.conf.FastestAddr {
 		upstreamMode = "fastest_addr"
@@ -169,7 +163,7 @@ func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
 		UsePrivateRDNS:           &usePrivateRDNS,
 		LocalPTRUpstreams:        &localPTRUpstreams,
 		DefaultLocalPTRUpstreams: defLocalPTRUps,
-		DisabledUntil:            disabledUntil,
+		DisabledUntil:            protectionDisabledUntil,
 	}
 }