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Doh: put in pkg/doh (#1946)

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* DoH: put in pkg/doh

Factor out the DoH stuff into its own package, add function to request
a DoH response. This can be used by forward (and maybe proxy) to
implement DoH client support.

Signed-off-by: Miek Gieben <miek@miek.nl>

* lint

Signed-off-by: Miek Gieben <miek@miek.nl>

* ... and make it compile

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben 2018-07-07 08:22:07 +01:00 • committed by GitHub
parent bc50901234
commit 30a788fd3a
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5 changed files with 175 additions and 134 deletions
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66
core/dnsserver/https_test.go
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@ -1,66 +0,0 @@
package dnsserver
import (
"bytes"
"encoding/base64"
"net/http"
"testing"
"github.com/miekg/dns"
)
func TestPostRequest(t *testing.T) {
const ex = "example.org."
m := new(dns.Msg)
m.SetQuestion(ex, dns.TypeDNSKEY)
out, _ := m.Pack()
req, err := http.NewRequest(http.MethodPost, "https://"+ex+pathDOH+"?bla=foo:443", bytes.NewReader(out))
if err != nil {
t.Errorf("Failure to make request: %s", err)
}
req.Header.Set("content-type", mimeTypeDOH)
req.Header.Set("accept", mimeTypeDOH)
m, err = postRequestToMsg(req)
if err != nil {
t.Fatalf("Failure to get message from request: %s", err)
}
if x := m.Question[0].Name; x != ex {
t.Errorf("Qname expected %s, got %s", ex, x)
}
if x := m.Question[0].Qtype; x != dns.TypeDNSKEY {
t.Errorf("Qname expected %d, got %d", x, dns.TypeDNSKEY)
}
}
func TestGetRequest(t *testing.T) {
const ex = "example.org."
m := new(dns.Msg)
m.SetQuestion(ex, dns.TypeDNSKEY)
out, _ := m.Pack()
b64 := base64.RawURLEncoding.EncodeToString(out)
req, err := http.NewRequest(http.MethodGet, "https://"+ex+pathDOH+"?dns="+b64, nil)
if err != nil {
t.Errorf("Failure to make request: %s", err)
}
req.Header.Set("content-type", mimeTypeDOH)
req.Header.Set("accept", mimeTypeDOH)
m, err = getRequestToMsg(req)
if err != nil {
t.Fatalf("Failure to get message from request: %s", err)
}
if x := m.Question[0].Name; x != ex {
t.Errorf("Qname expected %s, got %s", ex, x)
}
if x := m.Question[0].Qtype; x != dns.TypeDNSKEY {
t.Errorf("Qname expected %d, got %d", x, dns.TypeDNSKEY)
}
}