TrueCloudLab/coredns
16
0
Fork 2
Code Issues Pull requests 4 Projects Releases Packages Wiki Activity Actions

Comment reason for non-exact match in direct cname loop checks (#5294)

Browse source 
Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
Chris O'Haver 2022-04-04 15:00:17 -04:00 • committed by GitHub
parent 4d76faa4b4
commit 17fca59628
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
plugin/backend_lookup.go
View file

@ -30,6 +30,7 @@ func A(ctx context.Context, b ServiceBackend, zone string, state request.Request
case dns.TypeCNAME:
if Name(state.Name()).Matches(dns.Fqdn(serv.Host)) {
// x CNAME x is a direct loop, don't add those
// in etcd/skydns w.x CNAME x is also direct loop due to the "recursive" nature of search results
continue
}
@ -104,6 +105,7 @@ func AAAA(ctx context.Context, b ServiceBackend, zone string, state request.Requ
// Try to resolve as CNAME if it's not an IP, but only if we don't create loops.
if Name(state.Name()).Matches(dns.Fqdn(serv.Host)) {
// x CNAME x is a direct loop, don't add those
// in etcd/skydns w.x CNAME x is also direct loop due to the "recursive" nature of search results
continue
}
@ -358,6 +360,7 @@ func TXT(ctx context.Context, b ServiceBackend, zone string, state request.Reque
case dns.TypeCNAME:
if Name(state.Name()).Matches(dns.Fqdn(serv.Host)) {
// x CNAME x is a direct loop, don't add those
// in etcd/skydns w.x CNAME x is also direct loop due to the "recursive" nature of search results
continue
}