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- rewrites: return NOERROR without A records instead of NXDOMAIN 

For rule "host -> ipv6" we return "ipv6" address for AAAA request
 and empty answer for A request
This commit is contained in:
Simon Zolin 2020-07-24 13:18:05 +03:00
parent d2bf1e176e
commit 4b9ab97271
1 changed files with 6 additions and 7 deletions
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13
dnsforward/filter.go
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@ -54,8 +54,12 @@ func (s *Server) filterDNSRequest(ctx *dnsContext) (*dnsfilter.Result, error) {
// log.Tracef("Host %s is filtered, reason - '%s', matched rule: '%s'", host, res.Reason, res.Rule)
d.Res = s.genDNSFilterMessage(d, &res)
} else if (res.Reason == dnsfilter.ReasonRewrite || res.Reason == dnsfilter.RewriteEtcHosts) &&
len(res.IPList) != 0 {
} else if res.Reason == dnsfilter.ReasonRewrite && len(res.CanonName) != 0 && len(res.IPList) == 0 {
ctx.origQuestion = d.Req.Question[0]
// resolve canonical name, not the original host name
d.Req.Question[0].Name = dns.Fqdn(res.CanonName)
} else if res.Reason == dnsfilter.ReasonRewrite || res.Reason == dnsfilter.RewriteEtcHosts {
resp := s.makeResponse(req)
name := host
@ -78,11 +82,6 @@ func (s *Server) filterDNSRequest(ctx *dnsContext) (*dnsfilter.Result, error) {
d.Res = resp
} else if res.Reason == dnsfilter.ReasonRewrite && len(res.CanonName) != 0 {
ctx.origQuestion = d.Req.Question[0]
// resolve canonical name, not the original host name
d.Req.Question[0].Name = dns.Fqdn(res.CanonName)
} else if res.Reason == dnsfilter.RewriteEtcHosts && len(res.ReverseHost) != 0 {
resp := s.makeResponse(req)