diff options
Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/update_test.go')
| -rw-r--r-- | vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/update_test.go | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/update_test.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/update_test.go new file mode 100644 index 000000000..12760a1ee --- /dev/null +++ b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/update_test.go @@ -0,0 +1,145 @@ +package dns + +import ( + "bytes" + "testing" +) + +func TestDynamicUpdateParsing(t *testing.T) { + prefix := "example.com. IN " + for _, typ := range TypeToString { + if typ == "OPT" || typ == "AXFR" || typ == "IXFR" || typ == "ANY" || typ == "TKEY" || + typ == "TSIG" || typ == "ISDN" || typ == "UNSPEC" || typ == "NULL" || typ == "ATMA" || + typ == "Reserved" || typ == "None" || typ == "NXT" || typ == "MAILB" || typ == "MAILA" { + continue + } + r, err := NewRR(prefix + typ) + if err != nil { + t.Errorf("failure to parse: %s %s: %v", prefix, typ, err) + } else { + t.Logf("parsed: %s", r.String()) + } + } +} + +func TestDynamicUpdateUnpack(t *testing.T) { + // From https://github.com/miekg/dns/issues/150#issuecomment-62296803 + // It should be an update message for the zone "example.", + // deleting the A RRset "example." and then adding an A record at "example.". + // class ANY, TYPE A + buf := []byte{171, 68, 40, 0, 0, 1, 0, 0, 0, 2, 0, 0, 7, 101, 120, 97, 109, 112, 108, 101, 0, 0, 6, 0, 1, 192, 12, 0, 1, 0, 255, 0, 0, 0, 0, 0, 0, 192, 12, 0, 1, 0, 1, 0, 0, 0, 0, 0, 4, 127, 0, 0, 1} + msg := new(Msg) + err := msg.Unpack(buf) + if err != nil { + t.Errorf("failed to unpack: %v\n%s", err, msg.String()) + } +} + +func TestDynamicUpdateZeroRdataUnpack(t *testing.T) { + m := new(Msg) + rr := &RR_Header{Name: ".", Rrtype: 0, Class: 1, Ttl: ^uint32(0), Rdlength: 0} + m.Answer = []RR{rr, rr, rr, rr, rr} + m.Ns = m.Answer + for n, s := range TypeToString { + rr.Rrtype = n + bytes, err := m.Pack() + if err != nil { + t.Errorf("failed to pack %s: %v", s, err) + continue + } + if err := new(Msg).Unpack(bytes); err != nil { + t.Errorf("failed to unpack %s: %v", s, err) + } + } +} + +func TestRemoveRRset(t *testing.T) { + // Should add a zero data RR in Class ANY with a TTL of 0 + // for each set mentioned in the RRs provided to it. + rr, err := NewRR(". 100 IN A 127.0.0.1") + if err != nil { + t.Fatalf("error constructing RR: %v", err) + } + m := new(Msg) + m.Ns = []RR{&RR_Header{Name: ".", Rrtype: TypeA, Class: ClassANY, Ttl: 0, Rdlength: 0}} + expectstr := m.String() + expect, err := m.Pack() + if err != nil { + t.Fatalf("error packing expected msg: %v", err) + } + + m.Ns = nil + m.RemoveRRset([]RR{rr}) + actual, err := m.Pack() + if err != nil { + t.Fatalf("error packing actual msg: %v", err) + } + if !bytes.Equal(actual, expect) { + tmp := new(Msg) + if err := tmp.Unpack(actual); err != nil { + t.Fatalf("error unpacking actual msg: %v\nexpected: %v\ngot: %v\n", err, expect, actual) + } + t.Errorf("expected msg:\n%s", expectstr) + t.Errorf("actual msg:\n%v", tmp) + } +} + +func TestPreReqAndRemovals(t *testing.T) { + // Build a list of multiple prereqs and then somes removes followed by an insert. + // We should be able to add multiple prereqs and updates. + m := new(Msg) + m.SetUpdate("example.org.") + m.Id = 1234 + + // Use a full set of RRs each time, so we are sure the rdata is stripped. + rrName1, _ := NewRR("name_used. 3600 IN A 127.0.0.1") + rrName2, _ := NewRR("name_not_used. 3600 IN A 127.0.0.1") + rrRemove1, _ := NewRR("remove1. 3600 IN A 127.0.0.1") + rrRemove2, _ := NewRR("remove2. 3600 IN A 127.0.0.1") + rrRemove3, _ := NewRR("remove3. 3600 IN A 127.0.0.1") + rrInsert, _ := NewRR("insert. 3600 IN A 127.0.0.1") + rrRrset1, _ := NewRR("rrset_used1. 3600 IN A 127.0.0.1") + rrRrset2, _ := NewRR("rrset_used2. 3600 IN A 127.0.0.1") + rrRrset3, _ := NewRR("rrset_not_used. 3600 IN A 127.0.0.1") + + // Handle the prereqs. + m.NameUsed([]RR{rrName1}) + m.NameNotUsed([]RR{rrName2}) + m.RRsetUsed([]RR{rrRrset1}) + m.Used([]RR{rrRrset2}) + m.RRsetNotUsed([]RR{rrRrset3}) + + // and now the updates. + m.RemoveName([]RR{rrRemove1}) + m.RemoveRRset([]RR{rrRemove2}) + m.Remove([]RR{rrRemove3}) + m.Insert([]RR{rrInsert}) + + // This test function isn't a Example function because we print these RR with tabs at the + // end and the Example function trim these, thus they never match. + // TODO(miek): don't print these tabs and make this into an Example function. + expect := `;; opcode: UPDATE, status: NOERROR, id: 1234 +;; flags:; QUERY: 1, ANSWER: 5, AUTHORITY: 4, ADDITIONAL: 0 + +;; QUESTION SECTION: +;example.org. IN SOA + +;; ANSWER SECTION: +name_used. 0 ANY ANY +name_not_used. 0 NONE ANY +rrset_used1. 0 ANY A +rrset_used2. 3600 IN A 127.0.0.1 +rrset_not_used. 0 NONE A + +;; AUTHORITY SECTION: +remove1. 0 ANY ANY +remove2. 0 ANY A +remove3. 0 NONE A 127.0.0.1 +insert. 3600 IN A 127.0.0.1 +` + + if m.String() != expect { + t.Errorf("expected msg:\n%s", expect) + t.Errorf("actual msg:\n%v", m.String()) + } +} |