1 files changed, 0 insertions, 511 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/client_test.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/client_test.go
deleted file mode 100644
index dee585f36..000000000
--- a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/client_test.go
+++ /dev/null
@@ -1,511 +0,0 @@
-package dns
-
-import (
-	"crypto/tls"
-	"fmt"
-	"net"
-	"strconv"
-	"sync"
-	"testing"
-	"time"
-)
-
-func TestClientSync(t *testing.T) {
-	HandleFunc("miek.nl.", HelloServer)
-	defer HandleRemove("miek.nl.")
-
-	s, addrstr, err := RunLocalUDPServer("127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeSOA)
-
-	c := new(Client)
-	r, _, err := c.Exchange(m, addrstr)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-	if r != nil && r.Rcode != RcodeSuccess {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-	// And now with plain Exchange().
-	r, err = Exchange(m, addrstr)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-	if r == nil || r.Rcode != RcodeSuccess {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-}
-
-func TestClientTLSSync(t *testing.T) {
-	HandleFunc("miek.nl.", HelloServer)
-	defer HandleRemove("miek.nl.")
-
-	cert, err := tls.X509KeyPair(CertPEMBlock, KeyPEMBlock)
-	if err != nil {
-		t.Fatalf("unable to build certificate: %v", err)
-	}
-
-	config := tls.Config{
-		Certificates: []tls.Certificate{cert},
-	}
-
-	s, addrstr, err := RunLocalTLSServer("127.0.0.1:0", &config)
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeSOA)
-
-	c := new(Client)
-	c.Net = "tcp-tls"
-	c.TLSConfig = &tls.Config{
-		InsecureSkipVerify: true,
-	}
-
-	r, _, err := c.Exchange(m, addrstr)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-	if r != nil && r.Rcode != RcodeSuccess {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-}
-
-func TestClientSyncBadID(t *testing.T) {
-	HandleFunc("miek.nl.", HelloServerBadID)
-	defer HandleRemove("miek.nl.")
-
-	s, addrstr, err := RunLocalUDPServer("127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeSOA)
-
-	c := new(Client)
-	if _, _, err := c.Exchange(m, addrstr); err != ErrId {
-		t.Errorf("did not find a bad Id")
-	}
-	// And now with plain Exchange().
-	if _, err := Exchange(m, addrstr); err != ErrId {
-		t.Errorf("did not find a bad Id")
-	}
-}
-
-func TestClientEDNS0(t *testing.T) {
-	HandleFunc("miek.nl.", HelloServer)
-	defer HandleRemove("miek.nl.")
-
-	s, addrstr, err := RunLocalUDPServer("127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeDNSKEY)
-
-	m.SetEdns0(2048, true)
-
-	c := new(Client)
-	r, _, err := c.Exchange(m, addrstr)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-
-	if r != nil && r.Rcode != RcodeSuccess {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-}
-
-// Validates the transmission and parsing of local EDNS0 options.
-func TestClientEDNS0Local(t *testing.T) {
-	optStr1 := "1979:0x0707"
-	optStr2 := strconv.Itoa(EDNS0LOCALSTART) + ":0x0601"
-
-	handler := func(w ResponseWriter, req *Msg) {
-		m := new(Msg)
-		m.SetReply(req)
-
-		m.Extra = make([]RR, 1, 2)
-		m.Extra[0] = &TXT{Hdr: RR_Header{Name: m.Question[0].Name, Rrtype: TypeTXT, Class: ClassINET, Ttl: 0}, Txt: []string{"Hello local edns"}}
-
-		// If the local options are what we expect, then reflect them back.
-		ec1 := req.Extra[0].(*OPT).Option[0].(*EDNS0_LOCAL).String()
-		ec2 := req.Extra[0].(*OPT).Option[1].(*EDNS0_LOCAL).String()
-		if ec1 == optStr1 && ec2 == optStr2 {
-			m.Extra = append(m.Extra, req.Extra[0])
-		}
-
-		w.WriteMsg(m)
-	}
-
-	HandleFunc("miek.nl.", handler)
-	defer HandleRemove("miek.nl.")
-
-	s, addrstr, err := RunLocalUDPServer("127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to run test server: %s", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeTXT)
-
-	// Add two local edns options to the query.
-	ec1 := &EDNS0_LOCAL{Code: 1979, Data: []byte{7, 7}}
-	ec2 := &EDNS0_LOCAL{Code: EDNS0LOCALSTART, Data: []byte{6, 1}}
-	o := &OPT{Hdr: RR_Header{Name: ".", Rrtype: TypeOPT}, Option: []EDNS0{ec1, ec2}}
-	m.Extra = append(m.Extra, o)
-
-	c := new(Client)
-	r, _, err := c.Exchange(m, addrstr)
-	if err != nil {
-		t.Errorf("failed to exchange: %s", err)
-	}
-
-	if r != nil && r.Rcode != RcodeSuccess {
-		t.Error("failed to get a valid answer")
-		t.Logf("%v\n", r)
-	}
-
-	txt := r.Extra[0].(*TXT).Txt[0]
-	if txt != "Hello local edns" {
-		t.Error("Unexpected result for miek.nl", txt, "!= Hello local edns")
-	}
-
-	// Validate the local options in the reply.
-	got := r.Extra[1].(*OPT).Option[0].(*EDNS0_LOCAL).String()
-	if got != optStr1 {
-		t.Errorf("failed to get local edns0 answer; got %s, expected %s", got, optStr1)
-		t.Logf("%v\n", r)
-	}
-
-	got = r.Extra[1].(*OPT).Option[1].(*EDNS0_LOCAL).String()
-	if got != optStr2 {
-		t.Errorf("failed to get local edns0 answer; got %s, expected %s", got, optStr2)
-		t.Logf("%v\n", r)
-	}
-}
-
-// ExampleTsigSecret_updateLeaseTSIG shows how to update a lease signed with TSIG
-func ExampleTsigSecret_updateLeaseTSIG() {
-	m := new(Msg)
-	m.SetUpdate("t.local.ip6.io.")
-	rr, _ := NewRR("t.local.ip6.io. 30 A 127.0.0.1")
-	rrs := make([]RR, 1)
-	rrs[0] = rr
-	m.Insert(rrs)
-
-	leaseRr := new(OPT)
-	leaseRr.Hdr.Name = "."
-	leaseRr.Hdr.Rrtype = TypeOPT
-	e := new(EDNS0_UL)
-	e.Code = EDNS0UL
-	e.Lease = 120
-	leaseRr.Option = append(leaseRr.Option, e)
-	m.Extra = append(m.Extra, leaseRr)
-
-	c := new(Client)
-	m.SetTsig("polvi.", HmacMD5, 300, time.Now().Unix())
-	c.TsigSecret = map[string]string{"polvi.": "pRZgBrBvI4NAHZYhxmhs/Q=="}
-
-	_, _, err := c.Exchange(m, "127.0.0.1:53")
-	if err != nil {
-		panic(err)
-	}
-}
-
-func TestClientConn(t *testing.T) {
-	HandleFunc("miek.nl.", HelloServer)
-	defer HandleRemove("miek.nl.")
-
-	// This uses TCP just to make it slightly different than TestClientSync
-	s, addrstr, err := RunLocalTCPServer("127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer s.Shutdown()
-
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeSOA)
-
-	cn, err := Dial("tcp", addrstr)
-	if err != nil {
-		t.Errorf("failed to dial %s: %v", addrstr, err)
-	}
-
-	err = cn.WriteMsg(m)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-	r, err := cn.ReadMsg()
-	if r == nil || r.Rcode != RcodeSuccess {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-
-	err = cn.WriteMsg(m)
-	if err != nil {
-		t.Errorf("failed to exchange: %v", err)
-	}
-	h := new(Header)
-	buf, err := cn.ReadMsgHeader(h)
-	if buf == nil {
-		t.Errorf("failed to get an valid answer\n%v", r)
-	}
-	if int(h.Bits&0xF) != RcodeSuccess {
-		t.Errorf("failed to get an valid answer in ReadMsgHeader\n%v", r)
-	}
-	if h.Ancount != 0 || h.Qdcount != 1 || h.Nscount != 0 || h.Arcount != 1 {
-		t.Errorf("expected to have question and additional in response; got something else: %+v", h)
-	}
-	if err = r.Unpack(buf); err != nil {
-		t.Errorf("unable to unpack message fully: %v", err)
-	}
-}
-
-func TestTruncatedMsg(t *testing.T) {
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeSRV)
-	cnt := 10
-	for i := 0; i < cnt; i++ {
-		r := &SRV{
-			Hdr:    RR_Header{Name: m.Question[0].Name, Rrtype: TypeSRV, Class: ClassINET, Ttl: 0},
-			Port:   uint16(i + 8000),
-			Target: "target.miek.nl.",
-		}
-		m.Answer = append(m.Answer, r)
-
-		re := &A{
-			Hdr: RR_Header{Name: m.Question[0].Name, Rrtype: TypeA, Class: ClassINET, Ttl: 0},
-			A:   net.ParseIP(fmt.Sprintf("127.0.0.%d", i)).To4(),
-		}
-		m.Extra = append(m.Extra, re)
-	}
-	buf, err := m.Pack()
-	if err != nil {
-		t.Errorf("failed to pack: %v", err)
-	}
-
-	r := new(Msg)
-	if err = r.Unpack(buf); err != nil {
-		t.Errorf("unable to unpack message: %v", err)
-	}
-	if len(r.Answer) != cnt {
-		t.Errorf("answer count after regular unpack doesn't match: %d", len(r.Answer))
-	}
-	if len(r.Extra) != cnt {
-		t.Errorf("extra count after regular unpack doesn't match: %d", len(r.Extra))
-	}
-
-	m.Truncated = true
-	buf, err = m.Pack()
-	if err != nil {
-		t.Errorf("failed to pack truncated: %v", err)
-	}
-
-	r = new(Msg)
-	if err = r.Unpack(buf); err != nil && err != ErrTruncated {
-		t.Errorf("unable to unpack truncated message: %v", err)
-	}
-	if !r.Truncated {
-		t.Errorf("truncated message wasn't unpacked as truncated")
-	}
-	if len(r.Answer) != cnt {
-		t.Errorf("answer count after truncated unpack doesn't match: %d", len(r.Answer))
-	}
-	if len(r.Extra) != cnt {
-		t.Errorf("extra count after truncated unpack doesn't match: %d", len(r.Extra))
-	}
-
-	// Now we want to remove almost all of the extra records
-	// We're going to loop over the extra to get the count of the size of all
-	// of them
-	off := 0
-	buf1 := make([]byte, m.Len())
-	for i := 0; i < len(m.Extra); i++ {
-		off, err = PackRR(m.Extra[i], buf1, off, nil, m.Compress)
-		if err != nil {
-			t.Errorf("failed to pack extra: %v", err)
-		}
-	}
-
-	// Remove all of the extra bytes but 10 bytes from the end of buf
-	off -= 10
-	buf1 = buf[:len(buf)-off]
-
-	r = new(Msg)
-	if err = r.Unpack(buf1); err != nil && err != ErrTruncated {
-		t.Errorf("unable to unpack cutoff message: %v", err)
-	}
-	if !r.Truncated {
-		t.Error("truncated cutoff message wasn't unpacked as truncated")
-	}
-	if len(r.Answer) != cnt {
-		t.Errorf("answer count after cutoff unpack doesn't match: %d", len(r.Answer))
-	}
-	if len(r.Extra) != 0 {
-		t.Errorf("extra count after cutoff unpack is not zero: %d", len(r.Extra))
-	}
-
-	// Now we want to remove almost all of the answer records too
-	buf1 = make([]byte, m.Len())
-	as := 0
-	for i := 0; i < len(m.Extra); i++ {
-		off1 := off
-		off, err = PackRR(m.Extra[i], buf1, off, nil, m.Compress)
-		as = off - off1
-		if err != nil {
-			t.Errorf("failed to pack extra: %v", err)
-		}
-	}
-
-	// Keep exactly one answer left
-	// This should still cause Answer to be nil
-	off -= as
-	buf1 = buf[:len(buf)-off]
-
-	r = new(Msg)
-	if err = r.Unpack(buf1); err != nil && err != ErrTruncated {
-		t.Errorf("unable to unpack cutoff message: %v", err)
-	}
-	if !r.Truncated {
-		t.Error("truncated cutoff message wasn't unpacked as truncated")
-	}
-	if len(r.Answer) != 0 {
-		t.Errorf("answer count after second cutoff unpack is not zero: %d", len(r.Answer))
-	}
-
-	// Now leave only 1 byte of the question
-	// Since the header is always 12 bytes, we just need to keep 13
-	buf1 = buf[:13]
-
-	r = new(Msg)
-	err = r.Unpack(buf1)
-	if err == nil || err == ErrTruncated {
-		t.Errorf("error should not be ErrTruncated from question cutoff unpack: %v", err)
-	}
-
-	// Finally, if we only have the header, we should still return an error
-	buf1 = buf[:12]
-
-	r = new(Msg)
-	if err = r.Unpack(buf1); err == nil || err != ErrTruncated {
-		t.Errorf("error not ErrTruncated from header-only unpack: %v", err)
-	}
-}
-
-func TestTimeout(t *testing.T) {
-	// Set up a dummy UDP server that won't respond
-	addr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("unable to resolve local udp address: %v", err)
-	}
-	conn, err := net.ListenUDP("udp", addr)
-	if err != nil {
-		t.Fatalf("unable to run test server: %v", err)
-	}
-	defer conn.Close()
-	addrstr := conn.LocalAddr().String()
-
-	// Message to send
-	m := new(Msg)
-	m.SetQuestion("miek.nl.", TypeTXT)
-
-	// Use a channel + timeout to ensure we don't get stuck if the
-	// Client Timeout is not working properly
-	done := make(chan struct{})
-
-	timeout := time.Millisecond
-	allowable := timeout + (10 * time.Millisecond)
-	abortAfter := timeout + (100 * time.Millisecond)
-
-	start := time.Now()
-
-	go func() {
-		c := &Client{Timeout: timeout}
-		_, _, err := c.Exchange(m, addrstr)
-		if err == nil {
-			t.Error("no timeout using Client")
-		}
-		done <- struct{}{}
-	}()
-
-	select {
-	case <-done:
-	case <-time.After(abortAfter):
-	}
-
-	length := time.Since(start)
-
-	if length > allowable {
-		t.Errorf("exchange took longer (%v) than specified Timeout (%v)", length, timeout)
-	}
-}
-
-// Check that responses from deduplicated requests aren't shared between callers
-func TestConcurrentExchanges(t *testing.T) {
-	cases := make([]*Msg, 2)
-	cases[0] = new(Msg)
-	cases[1] = new(Msg)
-	cases[1].Truncated = true
-	for _, m := range cases {
-		block := make(chan struct{})
-		waiting := make(chan struct{})
-
-		handler := func(w ResponseWriter, req *Msg) {
-			r := m.Copy()
-			r.SetReply(req)
-
-			waiting <- struct{}{}
-			<-block
-			w.WriteMsg(r)
-		}
-
-		HandleFunc("miek.nl.", handler)
-		defer HandleRemove("miek.nl.")
-
-		s, addrstr, err := RunLocalUDPServer("127.0.0.1:0")
-		if err != nil {
-			t.Fatalf("unable to run test server: %s", err)
-		}
-		defer s.Shutdown()
-
-		m := new(Msg)
-		m.SetQuestion("miek.nl.", TypeSRV)
-		c := &Client{
-			SingleInflight: true,
-		}
-		r := make([]*Msg, 2)
-
-		var wg sync.WaitGroup
-		wg.Add(len(r))
-		for i := 0; i < len(r); i++ {
-			go func(i int) {
-				r[i], _, _ = c.Exchange(m.Copy(), addrstr)
-				wg.Done()
-			}(i)
-		}
-		select {
-		case <-waiting:
-		case <-time.After(time.Second):
-			t.FailNow()
-		}
-		close(block)
-		wg.Wait()
-
-		if r[0] == r[1] {
-			t.Log("Got same response object, expected non-shared responses")
-			t.Fail()
-		}
-	}
-}