/usr/share/gocode/src/github.com/miekg/dns/update_test.go is in golang-github-miekg-dns-dev 0.0~git20170501.0.f282f80-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | 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())
}
}
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