mirrors/coredns
1
0
Fork 0
mirror of https://github.com/coredns/coredns.git synced 2025-10-14 00:41:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

server: update comment (#1213)

Browse Source 
Because we have our own mux we can't depend on the dns.Mux to do the
Question section checking for us. Clarify this in the comment.
This commit is contained in:
Miek Gieben 2017-11-10 11:19:49 +00:00 committed by GitHub
parent 93e481a247
commit 4443b4a096
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
core/dnsserver/server.go
View File

@ -179,8 +179,8 @@ func (s *Server) Address() string { return s.Addr }
// defined in the request so that the correct zone // defined in the request so that the correct zone
// (configuration and plugin stack) will handle the request. // (configuration and plugin stack) will handle the request.
func (s *Server) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) { func (s *Server) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) {
// our dns library protects us against really invalid packets, we can still // The default dns.Mux checks the question section size, but we have our
// get semi valid packets. Drop them here. // own mux here. Check if we have a question section. If not drop them here.
if r == nil || len(r.Question) == 0 { if r == nil || len(r.Question) == 0 {
DefaultErrorFunc(w, r, dns.RcodeServerFailure) DefaultErrorFunc(w, r, dns.RcodeServerFailure)
return return