Mirrors/coredns
1
0
Fork 0
mirror of https://github.com/coredns/coredns.git synced 2025-10-30 17:53:21 -04:00
Code Issues Packages Projects Releases Wiki Activity

Rewrite edns0 (#561)

Browse Source 
* Add edns0 code rewrite

* check arg count

* change `new`; set EDNS0 if request doesn't have it set

* change set to replace_or_append

* change to append_or_replace

* return error in new

* update documents

* fixt UT

* return error

* go fmt

* Rework for more general EDNS0 use

Also changed how rules are created and validated. Implements
EDNS0 NSID in addition to local.

* go fmt

* README updates, NSID tests and fixes

* gofmt -s -w

* Fix tests for rewrite syntax change

* Add tests, fix error message

* Review nits

* Missed on nit

* More tests, integration test, fix edns0 parse issue

* Fix README, use RewriteIgnored

* go fmt
This commit is contained in:
John Belamaric
2017-03-06 16:32:17 -05:00
committed by Miek Gieben
parent d1bb4ea130
commit ef315ef3e2
13 changed files with 564 additions and 262 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
middleware/rewrite/name.go
View File

@@ -1,26 +1,21 @@
// Package rewrite is middleware for rewriting requests internally to something different.
package rewrite
import (
"strings"
"github.com/coredns/coredns/middleware"
"github.com/miekg/dns"
)
// NameRule is a name rewrite rule.
type NameRule struct {
type nameRule struct {
From, To string
}
// New initializes a new rule.
func (rule NameRule) New(args ...string) Rule {
from, to := args[0], strings.Join(args[1:], " ")
return &NameRule{middleware.Name(from).Normalize(), middleware.Name(to).Normalize()}
func newNameRule(from, to string) (Rule, error) {
return &nameRule{middleware.Name(from).Normalize(), middleware.Name(to).Normalize()}, nil
}
// Rewrite rewrites the the current request.
func (rule NameRule) Rewrite(r *dns.Msg) Result {
func (rule *nameRule) Rewrite(r *dns.Msg) Result {
if rule.From == r.Question[0].Name {
r.Question[0].Name = rule.To
return RewriteDone