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Nobody uses these author/version handlers, kill them

This commit is contained in:
Miek Gieben 2013-10-17 20:23:30 +01:00
parent f569ea2f95
commit 5e674212d0
2 changed files with 0 additions and 86 deletions
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16
example_test.go
View File

@ -55,19 +55,3 @@ func ExampleDS(zone string) {
}
}
}
// Show how to setup the authors for 'authors.bind. CH TXT' or 'authors.server. CH TXT'
// queries.
func ExampleAuthors() {
// ... server setup is out of scope ...
// Register the handle funcs.
HandleFunc("authors.bind.", HandleAuthors)
HandleFunc("authors.server.", HandleAuthors)
// To extend the authors list, just append to dns.Authors (a []string)
Authors = append(Authors, "G. I. Joe")
// Or ...
Authors = []string{"Just Me"}
}

70
server.go
View File

@ -67,12 +67,6 @@ func NewServeMux() *ServeMux { return &ServeMux{z: make(map[string]Handler), m:
// DefaultServeMux is the default ServeMux used by Serve.
var DefaultServeMux = NewServeMux()
// Authors is a list of authors that helped create or make Go DNS better.
var Authors = []string{"Miek Gieben", "Ask Bjørn Hansen", "Dave Cheney", "Dusty Wilson", "Peter van Dijk"}
// Version holds the current version.
var Version = "v1.2"
// The HandlerFunc type is an adapter to allow the use of
// ordinary functions as DNS handlers. If f is a function
// with the appropriate signature, HandlerFunc(f) is a
@ -93,71 +87,7 @@ func HandleFailed(w ResponseWriter, r *Msg) {
w.WriteMsg(m)
}
// AuthorHandler returns a HandlerFunc that returns the authors
// of Go DNS for 'authors.bind' or 'authors.server' queries in the
// CHAOS Class. Note with:
//
// dns.HandleFunc("authors.bind.", dns.HandleAuthors)
//
// the handler is registered for all DNS classes, thereby potentially
// hijacking the authors.bind. zone in the IN class. If you need the
// authors.bind zone to exist in the IN class, you need to register
// some other handler, check the class in there and then call HandleAuthors.
func HandleAuthors(w ResponseWriter, r *Msg) {
if len(r.Question) != 1 {
HandleFailed(w, r)
return
}
if r.Question[0].Qtype != ClassCHAOS && r.Question[0].Qtype != TypeTXT {
HandleFailed(w, r)
return
}
if r.Question[0].Name != "authors.server." && r.Question[0].Name != "authors.bind." {
HandleFailed(w, r)
return
}
m := new(Msg)
m.SetReply(r)
for _, author := range Authors {
h := RR_Header{r.Question[0].Name, TypeTXT, ClassCHAOS, 0, 0}
m.Answer = append(m.Answer, &TXT{h, []string{author}})
}
w.WriteMsg(m)
}
// VersionHandler returns a HandlerFunc that returns the version
// of Go DNS for 'version.bind' or 'version.server' queries in the
// CHAOS Class. Note with:
//
// dns.HandleFunc("version.bind.", dns.HandleVersion)
//
// the handler is registered for all DNS classes, thereby potentially
// hijacking the version.bind. zone in the IN class. If you need the
// version.bind zone to exist in the IN class, you need to register
// some other handler, check the class in there and then call HandleVersion.
func HandleVersion(w ResponseWriter, r *Msg) {
if len(r.Question) != 1 {
HandleFailed(w, r)
return
}
if r.Question[0].Qtype != ClassCHAOS && r.Question[0].Qtype != TypeTXT {
HandleFailed(w, r)
return
}
if r.Question[0].Name != "version.server." && r.Question[0].Name != "version.bind." {
HandleFailed(w, r)
return
}
m := new(Msg)
m.SetReply(r)
h := RR_Header{r.Question[0].Name, TypeTXT, ClassCHAOS, 0, 0}
m.Answer = append(m.Answer, &TXT{h, []string{Version}})
w.WriteMsg(m)
}
func authorHandler() Handler { return HandlerFunc(HandleAuthors) }
func failedHandler() Handler { return HandlerFunc(HandleFailed) }
func versionHandler() Handler { return HandlerFunc(HandleVersion) }
// Start a server on addresss and network speficied. Invoke handler
// for incoming queries.