From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 3 Oct 2016 16:03:15 -0400 Subject: Adding ability to serve TLS directly from Mattermost server (#4119) --- vendor/github.com/miekg/dns/parse_test.go | 1493 +++++++++++++++++++++++++++++ 1 file changed, 1493 insertions(+) create mode 100644 vendor/github.com/miekg/dns/parse_test.go (limited to 'vendor/github.com/miekg/dns/parse_test.go') diff --git a/vendor/github.com/miekg/dns/parse_test.go b/vendor/github.com/miekg/dns/parse_test.go new file mode 100644 index 000000000..3b38dba65 --- /dev/null +++ b/vendor/github.com/miekg/dns/parse_test.go @@ -0,0 +1,1493 @@ +package dns + +import ( + "bytes" + "crypto/rsa" + "encoding/hex" + "fmt" + "math/rand" + "net" + "reflect" + "strconv" + "strings" + "testing" + "testing/quick" + "time" +) + +func TestDotInName(t *testing.T) { + buf := make([]byte, 20) + PackDomainName("aa\\.bb.nl.", buf, 0, nil, false) + // index 3 must be a real dot + if buf[3] != '.' { + t.Error("dot should be a real dot") + } + + if buf[6] != 2 { + t.Error("this must have the value 2") + } + dom, _, _ := UnpackDomainName(buf, 0) + // printing it should yield the backspace again + if dom != "aa\\.bb.nl." { + t.Error("dot should have been escaped: ", dom) + } +} + +func TestDotLastInLabel(t *testing.T) { + sample := "aa\\..au." + buf := make([]byte, 20) + _, err := PackDomainName(sample, buf, 0, nil, false) + if err != nil { + t.Fatalf("unexpected error packing domain: %v", err) + } + dom, _, _ := UnpackDomainName(buf, 0) + if dom != sample { + t.Fatalf("unpacked domain `%s' doesn't match packed domain", dom) + } +} + +func TestTooLongDomainName(t *testing.T) { + l := "aaabbbcccdddeeefffggghhhiiijjjkkklllmmmnnnooopppqqqrrrsssttt." + dom := l + l + l + l + l + l + l + _, err := NewRR(dom + " IN A 127.0.0.1") + if err == nil { + t.Error("should be too long") + } else { + t.Logf("error is %v", err) + } + _, err = NewRR("..com. IN A 127.0.0.1") + if err == nil { + t.Error("should fail") + } else { + t.Logf("error is %v", err) + } +} + +func TestDomainName(t *testing.T) { + tests := []string{"r\\.gieben.miek.nl.", "www\\.www.miek.nl.", + "www.*.miek.nl.", "www.*.miek.nl.", + } + dbuff := make([]byte, 40) + + for _, ts := range tests { + if _, err := PackDomainName(ts, dbuff, 0, nil, false); err != nil { + t.Error("not a valid domain name") + continue + } + n, _, err := UnpackDomainName(dbuff, 0) + if err != nil { + t.Error("failed to unpack packed domain name") + continue + } + if ts != n { + t.Errorf("must be equal: in: %s, out: %s", ts, n) + } + } +} + +func TestDomainNameAndTXTEscapes(t *testing.T) { + tests := []byte{'.', '(', ')', ';', ' ', '@', '"', '\\', '\t', '\r', '\n', 0, 255} + for _, b := range tests { + rrbytes := []byte{ + 1, b, 0, // owner + byte(TypeTXT >> 8), byte(TypeTXT), + byte(ClassINET >> 8), byte(ClassINET), + 0, 0, 0, 1, // TTL + 0, 2, 1, b, // Data + } + rr1, _, err := UnpackRR(rrbytes, 0) + if err != nil { + panic(err) + } + s := rr1.String() + rr2, err := NewRR(s) + if err != nil { + t.Errorf("Error parsing unpacked RR's string: %v", err) + t.Errorf(" Bytes: %v", rrbytes) + t.Errorf("String: %v", s) + } + repacked := make([]byte, len(rrbytes)) + if _, err := PackRR(rr2, repacked, 0, nil, false); err != nil { + t.Errorf("error packing parsed RR: %v", err) + t.Errorf(" original Bytes: %v", rrbytes) + t.Errorf("unpacked Struct: %v", rr1) + t.Errorf(" parsed Struct: %v", rr2) + } + if !bytes.Equal(repacked, rrbytes) { + t.Error("packed bytes don't match original bytes") + t.Errorf(" original bytes: %v", rrbytes) + t.Errorf(" packed bytes: %v", repacked) + t.Errorf("unpacked struct: %v", rr1) + t.Errorf(" parsed struct: %v", rr2) + } + } +} + +func TestTXTEscapeParsing(t *testing.T) { + test := [][]string{ + {`";"`, `";"`}, + {`\;`, `";"`}, + {`"\t"`, `"\t"`}, + {`"\r"`, `"\r"`}, + {`"\ "`, `" "`}, + {`"\;"`, `";"`}, + {`"\;\""`, `";\""`}, + {`"\(a\)"`, `"(a)"`}, + {`"\(a)"`, `"(a)"`}, + {`"(a\)"`, `"(a)"`}, + {`"(a)"`, `"(a)"`}, + {`"\048"`, `"0"`}, + {`"\` + "\n" + `"`, `"\n"`}, + {`"\` + "\r" + `"`, `"\r"`}, + {`"\` + "\x11" + `"`, `"\017"`}, + {`"\'"`, `"'"`}, + } + for _, s := range test { + rr, err := NewRR(fmt.Sprintf("example.com. IN TXT %v", s[0])) + if err != nil { + t.Errorf("could not parse %v TXT: %s", s[0], err) + continue + } + + txt := sprintTxt(rr.(*TXT).Txt) + if txt != s[1] { + t.Errorf("mismatch after parsing `%v` TXT record: `%v` != `%v`", s[0], txt, s[1]) + } + } +} + +func GenerateDomain(r *rand.Rand, size int) []byte { + dnLen := size % 70 // artificially limit size so there's less to intrepret if a failure occurs + var dn []byte + done := false + for i := 0; i < dnLen && !done; { + max := dnLen - i + if max > 63 { + max = 63 + } + lLen := max + if lLen != 0 { + lLen = int(r.Int31()) % max + } + done = lLen == 0 + if done { + continue + } + l := make([]byte, lLen+1) + l[0] = byte(lLen) + for j := 0; j < lLen; j++ { + l[j+1] = byte(rand.Int31()) + } + dn = append(dn, l...) + i += 1 + lLen + } + return append(dn, 0) +} + +func TestDomainQuick(t *testing.T) { + r := rand.New(rand.NewSource(0)) + f := func(l int) bool { + db := GenerateDomain(r, l) + ds, _, err := UnpackDomainName(db, 0) + if err != nil { + panic(err) + } + buf := make([]byte, 255) + off, err := PackDomainName(ds, buf, 0, nil, false) + if err != nil { + t.Errorf("error packing domain: %v", err) + t.Errorf(" bytes: %v", db) + t.Errorf("string: %v", ds) + return false + } + if !bytes.Equal(db, buf[:off]) { + t.Errorf("repacked domain doesn't match original:") + t.Errorf("src bytes: %v", db) + t.Errorf(" string: %v", ds) + t.Errorf("out bytes: %v", buf[:off]) + return false + } + return true + } + if err := quick.Check(f, nil); err != nil { + t.Error(err) + } +} + +func GenerateTXT(r *rand.Rand, size int) []byte { + rdLen := size % 300 // artificially limit size so there's less to intrepret if a failure occurs + var rd []byte + for i := 0; i < rdLen; { + max := rdLen - 1 + if max > 255 { + max = 255 + } + sLen := max + if max != 0 { + sLen = int(r.Int31()) % max + } + s := make([]byte, sLen+1) + s[0] = byte(sLen) + for j := 0; j < sLen; j++ { + s[j+1] = byte(rand.Int31()) + } + rd = append(rd, s...) + i += 1 + sLen + } + return rd +} + +// Ok, 2 things. 1) this test breaks with the new functionality of splitting up larger txt +// chunks into 255 byte pieces. 2) I don't like the random nature of this thing, because I can't +// place the quotes where they need to be. +// So either add some code the places the quotes in just the right spots, make this non random +// or do something else. +// Disabled for now. (miek) +func testTXTRRQuick(t *testing.T) { + s := rand.NewSource(0) + r := rand.New(s) + typeAndClass := []byte{ + byte(TypeTXT >> 8), byte(TypeTXT), + byte(ClassINET >> 8), byte(ClassINET), + 0, 0, 0, 1, // TTL + } + f := func(l int) bool { + owner := GenerateDomain(r, l) + rdata := GenerateTXT(r, l) + rrbytes := make([]byte, 0, len(owner)+2+2+4+2+len(rdata)) + rrbytes = append(rrbytes, owner...) + rrbytes = append(rrbytes, typeAndClass...) + rrbytes = append(rrbytes, byte(len(rdata)>>8)) + rrbytes = append(rrbytes, byte(len(rdata))) + rrbytes = append(rrbytes, rdata...) + rr, _, err := UnpackRR(rrbytes, 0) + if err != nil { + panic(err) + } + buf := make([]byte, len(rrbytes)*3) + off, err := PackRR(rr, buf, 0, nil, false) + if err != nil { + t.Errorf("pack Error: %v\nRR: %v", err, rr) + return false + } + buf = buf[:off] + if !bytes.Equal(buf, rrbytes) { + t.Errorf("packed bytes don't match original bytes") + t.Errorf("src bytes: %v", rrbytes) + t.Errorf(" struct: %v", rr) + t.Errorf("out bytes: %v", buf) + return false + } + if len(rdata) == 0 { + // string'ing won't produce any data to parse + return true + } + rrString := rr.String() + rr2, err := NewRR(rrString) + if err != nil { + t.Errorf("error parsing own output: %v", err) + t.Errorf("struct: %v", rr) + t.Errorf("string: %v", rrString) + return false + } + if rr2.String() != rrString { + t.Errorf("parsed rr.String() doesn't match original string") + t.Errorf("original: %v", rrString) + t.Errorf(" parsed: %v", rr2.String()) + return false + } + + buf = make([]byte, len(rrbytes)*3) + off, err = PackRR(rr2, buf, 0, nil, false) + if err != nil { + t.Errorf("error packing parsed rr: %v", err) + t.Errorf("unpacked Struct: %v", rr) + t.Errorf(" string: %v", rrString) + t.Errorf(" parsed Struct: %v", rr2) + return false + } + buf = buf[:off] + if !bytes.Equal(buf, rrbytes) { + t.Errorf("parsed packed bytes don't match original bytes") + t.Errorf(" source bytes: %v", rrbytes) + t.Errorf("unpacked struct: %v", rr) + t.Errorf(" string: %v", rrString) + t.Errorf(" parsed struct: %v", rr2) + t.Errorf(" repacked bytes: %v", buf) + return false + } + return true + } + c := &quick.Config{MaxCountScale: 10} + if err := quick.Check(f, c); err != nil { + t.Error(err) + } +} + +func TestParseDirectiveMisc(t *testing.T) { + tests := map[string]string{ + "$ORIGIN miek.nl.\na IN NS b": "a.miek.nl.\t3600\tIN\tNS\tb.miek.nl.", + "$TTL 2H\nmiek.nl. IN NS b.": "miek.nl.\t7200\tIN\tNS\tb.", + "miek.nl. 1D IN NS b.": "miek.nl.\t86400\tIN\tNS\tb.", + `name. IN SOA a6.nstld.com. hostmaster.nic.name. ( + 203362132 ; serial + 5m ; refresh (5 minutes) + 5m ; retry (5 minutes) + 2w ; expire (2 weeks) + 300 ; minimum (5 minutes) +)`: "name.\t3600\tIN\tSOA\ta6.nstld.com. hostmaster.nic.name. 203362132 300 300 1209600 300", + ". 3600000 IN NS ONE.MY-ROOTS.NET.": ".\t3600000\tIN\tNS\tONE.MY-ROOTS.NET.", + "ONE.MY-ROOTS.NET. 3600000 IN A 192.168.1.1": "ONE.MY-ROOTS.NET.\t3600000\tIN\tA\t192.168.1.1", + } + for i, o := range tests { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestNSEC(t *testing.T) { + nsectests := map[string]string{ + "nl. IN NSEC3PARAM 1 0 5 30923C44C6CBBB8F": "nl.\t3600\tIN\tNSEC3PARAM\t1 0 5 30923C44C6CBBB8F", + "p2209hipbpnm681knjnu0m1febshlv4e.nl. IN NSEC3 1 1 5 30923C44C6CBBB8F P90DG1KE8QEAN0B01613LHQDG0SOJ0TA NS SOA TXT RRSIG DNSKEY NSEC3PARAM": "p2209hipbpnm681knjnu0m1febshlv4e.nl.\t3600\tIN\tNSEC3\t1 1 5 30923C44C6CBBB8F P90DG1KE8QEAN0B01613LHQDG0SOJ0TA NS SOA TXT RRSIG DNSKEY NSEC3PARAM", + "localhost.dnssex.nl. IN NSEC www.dnssex.nl. A RRSIG NSEC": "localhost.dnssex.nl.\t3600\tIN\tNSEC\twww.dnssex.nl. A RRSIG NSEC", + "localhost.dnssex.nl. IN NSEC www.dnssex.nl. A RRSIG NSEC TYPE65534": "localhost.dnssex.nl.\t3600\tIN\tNSEC\twww.dnssex.nl. A RRSIG NSEC TYPE65534", + "localhost.dnssex.nl. IN NSEC www.dnssex.nl. A RRSIG NSec Type65534": "localhost.dnssex.nl.\t3600\tIN\tNSEC\twww.dnssex.nl. A RRSIG NSEC TYPE65534", + "44ohaq2njb0idnvolt9ggthvsk1e1uv8.skydns.test. NSEC3 1 0 0 - 44OHAQ2NJB0IDNVOLT9GGTHVSK1E1UVA": "44ohaq2njb0idnvolt9ggthvsk1e1uv8.skydns.test.\t3600\tIN\tNSEC3\t1 0 0 - 44OHAQ2NJB0IDNVOLT9GGTHVSK1E1UVA", + } + for i, o := range nsectests { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseLOC(t *testing.T) { + lt := map[string]string{ + "SW1A2AA.find.me.uk. LOC 51 30 12.748 N 00 07 39.611 W 0.00m 0.00m 0.00m 0.00m": "SW1A2AA.find.me.uk.\t3600\tIN\tLOC\t51 30 12.748 N 00 07 39.611 W 0m 0.00m 0.00m 0.00m", + "SW1A2AA.find.me.uk. LOC 51 0 0.0 N 00 07 39.611 W 0.00m 0.00m 0.00m 0.00m": "SW1A2AA.find.me.uk.\t3600\tIN\tLOC\t51 00 0.000 N 00 07 39.611 W 0m 0.00m 0.00m 0.00m", + } + for i, o := range lt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseDS(t *testing.T) { + dt := map[string]string{ + "example.net. 3600 IN DS 40692 12 3 22261A8B0E0D799183E35E24E2AD6BB58533CBA7E3B14D659E9CA09B 2071398F": "example.net.\t3600\tIN\tDS\t40692 12 3 22261A8B0E0D799183E35E24E2AD6BB58533CBA7E3B14D659E9CA09B2071398F", + } + for i, o := range dt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestQuotes(t *testing.T) { + tests := map[string]string{ + `t.example.com. IN TXT "a bc"`: "t.example.com.\t3600\tIN\tTXT\t\"a bc\"", + `t.example.com. IN TXT "a + bc"`: "t.example.com.\t3600\tIN\tTXT\t\"a\\n bc\"", + `t.example.com. IN TXT ""`: "t.example.com.\t3600\tIN\tTXT\t\"\"", + `t.example.com. IN TXT "a"`: "t.example.com.\t3600\tIN\tTXT\t\"a\"", + `t.example.com. IN TXT "aa"`: "t.example.com.\t3600\tIN\tTXT\t\"aa\"", + `t.example.com. IN TXT "aaa" ;`: "t.example.com.\t3600\tIN\tTXT\t\"aaa\"", + `t.example.com. IN TXT "abc" "DEF"`: "t.example.com.\t3600\tIN\tTXT\t\"abc\" \"DEF\"", + `t.example.com. IN TXT "abc" ( "DEF" )`: "t.example.com.\t3600\tIN\tTXT\t\"abc\" \"DEF\"", + `t.example.com. IN TXT aaa ;`: "t.example.com.\t3600\tIN\tTXT\t\"aaa \"", + `t.example.com. IN TXT aaa aaa;`: "t.example.com.\t3600\tIN\tTXT\t\"aaa aaa\"", + `t.example.com. IN TXT aaa aaa`: "t.example.com.\t3600\tIN\tTXT\t\"aaa aaa\"", + `t.example.com. IN TXT aaa`: "t.example.com.\t3600\tIN\tTXT\t\"aaa\"", + "cid.urn.arpa. NAPTR 100 50 \"s\" \"z3950+I2L+I2C\" \"\" _z3950._tcp.gatech.edu.": "cid.urn.arpa.\t3600\tIN\tNAPTR\t100 50 \"s\" \"z3950+I2L+I2C\" \"\" _z3950._tcp.gatech.edu.", + "cid.urn.arpa. NAPTR 100 50 \"s\" \"rcds+I2C\" \"\" _rcds._udp.gatech.edu.": "cid.urn.arpa.\t3600\tIN\tNAPTR\t100 50 \"s\" \"rcds+I2C\" \"\" _rcds._udp.gatech.edu.", + "cid.urn.arpa. NAPTR 100 50 \"s\" \"http+I2L+I2C+I2R\" \"\" _http._tcp.gatech.edu.": "cid.urn.arpa.\t3600\tIN\tNAPTR\t100 50 \"s\" \"http+I2L+I2C+I2R\" \"\" _http._tcp.gatech.edu.", + "cid.urn.arpa. NAPTR 100 10 \"\" \"\" \"/urn:cid:.+@([^\\.]+\\.)(.*)$/\\2/i\" .": "cid.urn.arpa.\t3600\tIN\tNAPTR\t100 10 \"\" \"\" \"/urn:cid:.+@([^\\.]+\\.)(.*)$/\\2/i\" .", + } + for i, o := range tests { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is\n`%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseClass(t *testing.T) { + tests := map[string]string{ + "t.example.com. IN A 127.0.0.1": "t.example.com. 3600 IN A 127.0.0.1", + "t.example.com. CS A 127.0.0.1": "t.example.com. 3600 CS A 127.0.0.1", + "t.example.com. CH A 127.0.0.1": "t.example.com. 3600 CH A 127.0.0.1", + // ClassANY can not occur in zone files + // "t.example.com. ANY A 127.0.0.1": "t.example.com. 3600 ANY A 127.0.0.1", + "t.example.com. NONE A 127.0.0.1": "t.example.com. 3600 NONE A 127.0.0.1", + } + for i, o := range tests { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is\n`%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestBrace(t *testing.T) { + tests := map[string]string{ + "(miek.nl.) 3600 IN A 127.0.1.1": "miek.nl.\t3600\tIN\tA\t127.0.1.1", + "miek.nl. (3600) IN MX (10) elektron.atoom.net.": "miek.nl.\t3600\tIN\tMX\t10 elektron.atoom.net.", + `miek.nl. IN ( + 3600 A 127.0.0.1)`: "miek.nl.\t3600\tIN\tA\t127.0.0.1", + "(miek.nl.) (A) (127.0.2.1)": "miek.nl.\t3600\tIN\tA\t127.0.2.1", + "miek.nl A 127.0.3.1": "miek.nl.\t3600\tIN\tA\t127.0.3.1", + "_ssh._tcp.local. 60 IN (PTR) stora._ssh._tcp.local.": "_ssh._tcp.local.\t60\tIN\tPTR\tstora._ssh._tcp.local.", + "miek.nl. NS ns.miek.nl": "miek.nl.\t3600\tIN\tNS\tns.miek.nl.", + `(miek.nl.) ( + (IN) + (AAAA) + (::1) )`: "miek.nl.\t3600\tIN\tAAAA\t::1", + `(miek.nl.) ( + (IN) + (AAAA) + (::1))`: "miek.nl.\t3600\tIN\tAAAA\t::1", + "miek.nl. IN AAAA ::2": "miek.nl.\t3600\tIN\tAAAA\t::2", + `((m)(i)ek.(n)l.) (SOA) (soa.) (soa.) ( + 2009032802 ; serial + 21600 ; refresh (6 hours) + 7(2)00 ; retry (2 hours) + 604()800 ; expire (1 week) + 3600 ; minimum (1 hour) + )`: "miek.nl.\t3600\tIN\tSOA\tsoa. soa. 2009032802 21600 7200 604800 3600", + "miek\\.nl. IN A 127.0.0.10": "miek\\.nl.\t3600\tIN\tA\t127.0.0.10", + "miek.nl. IN A 127.0.0.11": "miek.nl.\t3600\tIN\tA\t127.0.0.11", + "miek.nl. A 127.0.0.12": "miek.nl.\t3600\tIN\tA\t127.0.0.12", + `miek.nl. 86400 IN SOA elektron.atoom.net. miekg.atoom.net. ( + 2009032802 ; serial + 21600 ; refresh (6 hours) + 7200 ; retry (2 hours) + 604800 ; expire (1 week) + 3600 ; minimum (1 hour) + )`: "miek.nl.\t86400\tIN\tSOA\telektron.atoom.net. miekg.atoom.net. 2009032802 21600 7200 604800 3600", + } + for i, o := range tests { + rr, err := NewRR(i) + if err != nil { + t.Errorf("failed to parse RR: %v\n\t%s", err, i) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseFailure(t *testing.T) { + tests := []string{"miek.nl. IN A 327.0.0.1", + "miek.nl. IN AAAA ::x", + "miek.nl. IN MX a0 miek.nl.", + "miek.nl aap IN MX mx.miek.nl.", + "miek.nl 200 IN mxx 10 mx.miek.nl.", + "miek.nl. inn MX 10 mx.miek.nl.", + // "miek.nl. IN CNAME ", // actually valid nowadays, zero size rdata + "miek.nl. IN CNAME ..", + "miek.nl. PA MX 10 miek.nl.", + "miek.nl. ) IN MX 10 miek.nl.", + } + + for _, s := range tests { + _, err := NewRR(s) + if err == nil { + t.Errorf("should have triggered an error: \"%s\"", s) + } + } +} + +func TestZoneParsing(t *testing.T) { + // parse_test.db + db := ` +a.example.com. IN A 127.0.0.1 +8db7._openpgpkey.example.com. IN OPENPGPKEY mQCNAzIG +$ORIGIN a.example.com. +test IN A 127.0.0.1 + IN SSHFP 1 2 ( + BC6533CDC95A79078A39A56EA7635984ED655318ADA9 + B6159E30723665DA95BB ) +$ORIGIN b.example.com. +test IN CNAME test.a.example.com. +` + start := time.Now().UnixNano() + to := ParseZone(strings.NewReader(db), "", "parse_test.db") + var i int + for x := range to { + i++ + if x.Error != nil { + t.Error(x.Error) + continue + } + t.Log(x.RR) + } + delta := time.Now().UnixNano() - start + t.Logf("%d RRs parsed in %.2f s (%.2f RR/s)", i, float32(delta)/1e9, float32(i)/(float32(delta)/1e9)) +} + +func ExampleParseZone() { + zone := `$ORIGIN . +$TTL 3600 ; 1 hour +name IN SOA a6.nstld.com. hostmaster.nic.name. ( + 203362132 ; serial + 300 ; refresh (5 minutes) + 300 ; retry (5 minutes) + 1209600 ; expire (2 weeks) + 300 ; minimum (5 minutes) + ) +$TTL 10800 ; 3 hours +name. 10800 IN NS name. + IN NS g6.nstld.com. + 7200 NS h6.nstld.com. + 3600 IN NS j6.nstld.com. + IN 3600 NS k6.nstld.com. + NS l6.nstld.com. + NS a6.nstld.com. + NS c6.nstld.com. + NS d6.nstld.com. + NS f6.nstld.com. + NS m6.nstld.com. +( + NS m7.nstld.com. +) +$ORIGIN name. +0-0onlus NS ns7.ehiweb.it. + NS ns8.ehiweb.it. +0-g MX 10 mx01.nic + MX 10 mx02.nic + MX 10 mx03.nic + MX 10 mx04.nic +$ORIGIN 0-g.name +moutamassey NS ns01.yahoodomains.jp. + NS ns02.yahoodomains.jp. +` + to := ParseZone(strings.NewReader(zone), "", "testzone") + for x := range to { + fmt.Println(x.RR) + } + // Output: + // name. 3600 IN SOA a6.nstld.com. hostmaster.nic.name. 203362132 300 300 1209600 300 + // name. 10800 IN NS name. + // name. 10800 IN NS g6.nstld.com. + // name. 7200 IN NS h6.nstld.com. + // name. 3600 IN NS j6.nstld.com. + // name. 3600 IN NS k6.nstld.com. + // name. 10800 IN NS l6.nstld.com. + // name. 10800 IN NS a6.nstld.com. + // name. 10800 IN NS c6.nstld.com. + // name. 10800 IN NS d6.nstld.com. + // name. 10800 IN NS f6.nstld.com. + // name. 10800 IN NS m6.nstld.com. + // name. 10800 IN NS m7.nstld.com. + // 0-0onlus.name. 10800 IN NS ns7.ehiweb.it. + // 0-0onlus.name. 10800 IN NS ns8.ehiweb.it. + // 0-g.name. 10800 IN MX 10 mx01.nic.name. + // 0-g.name. 10800 IN MX 10 mx02.nic.name. + // 0-g.name. 10800 IN MX 10 mx03.nic.name. + // 0-g.name. 10800 IN MX 10 mx04.nic.name. + // moutamassey.0-g.name.name. 10800 IN NS ns01.yahoodomains.jp. + // moutamassey.0-g.name.name. 10800 IN NS ns02.yahoodomains.jp. +} + +func ExampleHIP() { + h := `www.example.com IN HIP ( 2 200100107B1A74DF365639CC39F1D578 + AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p +9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQ +b1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D + rvs.example.com. )` + if hip, err := NewRR(h); err == nil { + fmt.Println(hip.String()) + } + // Output: + // www.example.com. 3600 IN HIP 2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com. +} + +func TestHIP(t *testing.T) { + h := `www.example.com. IN HIP ( 2 200100107B1A74DF365639CC39F1D578 + AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p +9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQ +b1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D + rvs1.example.com. + rvs2.example.com. )` + rr, err := NewRR(h) + if err != nil { + t.Fatalf("failed to parse RR: %v", err) + } + t.Logf("RR: %s", rr) + msg := new(Msg) + msg.Answer = []RR{rr, rr} + bytes, err := msg.Pack() + if err != nil { + t.Fatalf("failed to pack msg: %v", err) + } + if err := msg.Unpack(bytes); err != nil { + t.Fatalf("failed to unpack msg: %v", err) + } + if len(msg.Answer) != 2 { + t.Fatalf("2 answers expected: %v", msg) + } + for i, rr := range msg.Answer { + rr := rr.(*HIP) + t.Logf("RR: %s", rr) + if l := len(rr.RendezvousServers); l != 2 { + t.Fatalf("2 servers expected, only %d in record %d:\n%v", l, i, msg) + } + for j, s := range []string{"rvs1.example.com.", "rvs2.example.com."} { + if rr.RendezvousServers[j] != s { + t.Fatalf("expected server %d of record %d to be %s:\n%v", j, i, s, msg) + } + } + } +} + +func ExampleSOA() { + s := "example.com. 1000 SOA master.example.com. admin.example.com. 1 4294967294 4294967293 4294967295 100" + if soa, err := NewRR(s); err == nil { + fmt.Println(soa.String()) + } + // Output: + // example.com. 1000 IN SOA master.example.com. admin.example.com. 1 4294967294 4294967293 4294967295 100 +} + +func TestLineNumberError(t *testing.T) { + s := "example.com. 1000 SOA master.example.com. admin.example.com. monkey 4294967294 4294967293 4294967295 100" + if _, err := NewRR(s); err != nil { + if err.Error() != "dns: bad SOA zone parameter: \"monkey\" at line: 1:68" { + t.Error("not expecting this error: ", err) + } + } +} + +// Test with no known RR on the line +func TestLineNumberError2(t *testing.T) { + tests := map[string]string{ + "example.com. 1000 SO master.example.com. admin.example.com. 1 4294967294 4294967293 4294967295 100": "dns: expecting RR type or class, not this...: \"SO\" at line: 1:21", + "example.com 1000 IN TALINK a.example.com. b..example.com.": "dns: bad TALINK NextName: \"b..example.com.\" at line: 1:57", + "example.com 1000 IN TALINK ( a.example.com. b..example.com. )": "dns: bad TALINK NextName: \"b..example.com.\" at line: 1:60", + `example.com 1000 IN TALINK ( a.example.com. + bb..example.com. )`: "dns: bad TALINK NextName: \"bb..example.com.\" at line: 2:18", + // This is a bug, it should report an error on line 1, but the new is already processed. + `example.com 1000 IN TALINK ( a.example.com. b...example.com. + )`: "dns: bad TALINK NextName: \"b...example.com.\" at line: 2:1"} + + for in, errStr := range tests { + _, err := NewRR(in) + if err == nil { + t.Error("err is nil") + } else { + if err.Error() != errStr { + t.Errorf("%s: error should be %s is %v", in, errStr, err) + } + } + } +} + +// Test if the calculations are correct +func TestRfc1982(t *testing.T) { + // If the current time and the timestamp are more than 68 years apart + // it means the date has wrapped. 0 is 1970 + + // fall in the current 68 year span + strtests := []string{"20120525134203", "19700101000000", "20380119031408"} + for _, v := range strtests { + if x, _ := StringToTime(v); v != TimeToString(x) { + t.Errorf("1982 arithmetic string failure %s (%s:%d)", v, TimeToString(x), x) + } + } + + inttests := map[uint32]string{0: "19700101000000", + 1 << 31: "20380119031408", + 1<<32 - 1: "21060207062815", + } + for i, v := range inttests { + if TimeToString(i) != v { + t.Errorf("1982 arithmetic int failure %d:%s (%s)", i, v, TimeToString(i)) + } + } + + // Future tests, these dates get parsed to a date within the current 136 year span + future := map[string]string{"22680119031408": "20631123173144", + "19010101121212": "20370206184028", + "19210101121212": "20570206184028", + "19500101121212": "20860206184028", + "19700101000000": "19700101000000", + "19690101000000": "21050207062816", + "29210101121212": "21040522212236", + } + for from, to := range future { + x, _ := StringToTime(from) + y := TimeToString(x) + if y != to { + t.Errorf("1982 arithmetic future failure %s:%s (%s)", from, to, y) + } + } +} + +func TestEmpty(t *testing.T) { + for range ParseZone(strings.NewReader(""), "", "") { + t.Errorf("should be empty") + } +} + +func TestLowercaseTokens(t *testing.T) { + var testrecords = []string{ + "example.org. 300 IN a 1.2.3.4", + "example.org. 300 in A 1.2.3.4", + "example.org. 300 in a 1.2.3.4", + "example.org. 300 a 1.2.3.4", + "example.org. 300 A 1.2.3.4", + "example.org. IN a 1.2.3.4", + "example.org. in A 1.2.3.4", + "example.org. in a 1.2.3.4", + "example.org. a 1.2.3.4", + "example.org. A 1.2.3.4", + "example.org. a 1.2.3.4", + "$ORIGIN example.org.\n a 1.2.3.4", + "$Origin example.org.\n a 1.2.3.4", + "$origin example.org.\n a 1.2.3.4", + "example.org. Class1 Type1 1.2.3.4", + } + for _, testrr := range testrecords { + _, err := NewRR(testrr) + if err != nil { + t.Errorf("failed to parse %#v, got %v", testrr, err) + } + } +} + +func ExampleParseZone_generate() { + // From the manual: http://www.bind9.net/manual/bind/9.3.2/Bv9ARM.ch06.html#id2566761 + zone := "$GENERATE 1-2 0 NS SERVER$.EXAMPLE.\n$GENERATE 1-8 $ CNAME $.0" + to := ParseZone(strings.NewReader(zone), "0.0.192.IN-ADDR.ARPA.", "") + for x := range to { + if x.Error == nil { + fmt.Println(x.RR.String()) + } + } + // Output: + // 0.0.0.192.IN-ADDR.ARPA. 3600 IN NS SERVER1.EXAMPLE. + // 0.0.0.192.IN-ADDR.ARPA. 3600 IN NS SERVER2.EXAMPLE. + // 1.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 1.0.0.0.192.IN-ADDR.ARPA. + // 2.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 2.0.0.0.192.IN-ADDR.ARPA. + // 3.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 3.0.0.0.192.IN-ADDR.ARPA. + // 4.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 4.0.0.0.192.IN-ADDR.ARPA. + // 5.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 5.0.0.0.192.IN-ADDR.ARPA. + // 6.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 6.0.0.0.192.IN-ADDR.ARPA. + // 7.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 7.0.0.0.192.IN-ADDR.ARPA. + // 8.0.0.192.IN-ADDR.ARPA. 3600 IN CNAME 8.0.0.0.192.IN-ADDR.ARPA. +} + +func TestSRVPacking(t *testing.T) { + msg := Msg{} + + things := []string{"1.2.3.4:8484", + "45.45.45.45:8484", + "84.84.84.84:8484", + } + + for i, n := range things { + h, p, err := net.SplitHostPort(n) + if err != nil { + continue + } + port := 8484 + tmp, err := strconv.Atoi(p) + if err == nil { + port = tmp + } + + rr := &SRV{ + Hdr: RR_Header{Name: "somename.", + Rrtype: TypeSRV, + Class: ClassINET, + Ttl: 5}, + Priority: uint16(i), + Weight: 5, + Port: uint16(port), + Target: h + ".", + } + + msg.Answer = append(msg.Answer, rr) + } + + _, err := msg.Pack() + if err != nil { + t.Fatalf("couldn't pack %v: %v", msg, err) + } +} + +func TestParseBackslash(t *testing.T) { + if r, err := NewRR("nul\\000gap.test.globnix.net. 600 IN A 192.0.2.10"); err != nil { + t.Errorf("could not create RR with \\000 in it") + } else { + t.Logf("parsed %s", r.String()) + } + if r, err := NewRR(`nul\000gap.test.globnix.net. 600 IN TXT "Hello\123"`); err != nil { + t.Errorf("could not create RR with \\000 in it") + } else { + t.Logf("parsed %s", r.String()) + } + if r, err := NewRR(`m\ @\ iek.nl. IN 3600 A 127.0.0.1`); err != nil { + t.Errorf("could not create RR with \\ and \\@ in it") + } else { + t.Logf("parsed %s", r.String()) + } +} + +func TestILNP(t *testing.T) { + tests := []string{ + "host1.example.com.\t3600\tIN\tNID\t10 0014:4fff:ff20:ee64", + "host1.example.com.\t3600\tIN\tNID\t20 0015:5fff:ff21:ee65", + "host2.example.com.\t3600\tIN\tNID\t10 0016:6fff:ff22:ee66", + "host1.example.com.\t3600\tIN\tL32\t10 10.1.2.0", + "host1.example.com.\t3600\tIN\tL32\t20 10.1.4.0", + "host2.example.com.\t3600\tIN\tL32\t10 10.1.8.0", + "host1.example.com.\t3600\tIN\tL64\t10 2001:0DB8:1140:1000", + "host1.example.com.\t3600\tIN\tL64\t20 2001:0DB8:2140:2000", + "host2.example.com.\t3600\tIN\tL64\t10 2001:0DB8:4140:4000", + "host1.example.com.\t3600\tIN\tLP\t10 l64-subnet1.example.com.", + "host1.example.com.\t3600\tIN\tLP\t10 l64-subnet2.example.com.", + "host1.example.com.\t3600\tIN\tLP\t20 l32-subnet1.example.com.", + } + for _, t1 := range tests { + r, err := NewRR(t1) + if err != nil { + t.Fatalf("an error occurred: %v", err) + } else { + if t1 != r.String() { + t.Fatalf("strings should be equal %s %s", t1, r.String()) + } + } + } +} + +func TestGposEidNimloc(t *testing.T) { + dt := map[string]string{ + "444433332222111199990123000000ff. NSAP-PTR foo.bar.com.": "444433332222111199990123000000ff.\t3600\tIN\tNSAP-PTR\tfoo.bar.com.", + "lillee. IN GPOS -32.6882 116.8652 10.0": "lillee.\t3600\tIN\tGPOS\t-32.6882 116.8652 10.0", + "hinault. IN GPOS -22.6882 116.8652 250.0": "hinault.\t3600\tIN\tGPOS\t-22.6882 116.8652 250.0", + "VENERA. IN NIMLOC 75234159EAC457800920": "VENERA.\t3600\tIN\tNIMLOC\t75234159EAC457800920", + "VAXA. IN EID 3141592653589793": "VAXA.\t3600\tIN\tEID\t3141592653589793", + } + for i, o := range dt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestPX(t *testing.T) { + dt := map[string]string{ + "*.net2.it. IN PX 10 net2.it. PRMD-net2.ADMD-p400.C-it.": "*.net2.it.\t3600\tIN\tPX\t10 net2.it. PRMD-net2.ADMD-p400.C-it.", + "ab.net2.it. IN PX 10 ab.net2.it. O-ab.PRMD-net2.ADMDb.C-it.": "ab.net2.it.\t3600\tIN\tPX\t10 ab.net2.it. O-ab.PRMD-net2.ADMDb.C-it.", + } + for i, o := range dt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestComment(t *testing.T) { + // Comments we must see + comments := map[string]bool{"; this is comment 1": true, + "; this is comment 4": true, "; this is comment 6": true, + "; this is comment 7": true, "; this is comment 8": true} + zone := ` +foo. IN A 10.0.0.1 ; this is comment 1 +foo. IN A ( + 10.0.0.2 ; this is comment2 +) +; this is comment3 +foo. IN A 10.0.0.3 +foo. IN A ( 10.0.0.4 ); this is comment 4 + +foo. IN A 10.0.0.5 +; this is comment5 + +foo. IN A 10.0.0.6 + +foo. IN DNSKEY 256 3 5 AwEAAb+8l ; this is comment 6 +foo. IN NSEC miek.nl. TXT RRSIG NSEC; this is comment 7 +foo. IN TXT "THIS IS TEXT MAN"; this is comment 8 +` + for x := range ParseZone(strings.NewReader(zone), ".", "") { + if x.Error == nil { + if x.Comment != "" { + if _, ok := comments[x.Comment]; !ok { + t.Errorf("wrong comment %s", x.Comment) + } + } + } + } +} + +func TestEUIxx(t *testing.T) { + tests := map[string]string{ + "host.example. IN EUI48 00-00-5e-90-01-2a": "host.example.\t3600\tIN\tEUI48\t00-00-5e-90-01-2a", + "host.example. IN EUI64 00-00-5e-ef-00-00-00-2a": "host.example.\t3600\tIN\tEUI64\t00-00-5e-ef-00-00-00-2a", + } + for i, o := range tests { + r, err := NewRR(i) + if err != nil { + t.Errorf("failed to parse %s: %v", i, err) + } + if r.String() != o { + t.Errorf("want %s, got %s", o, r.String()) + } + } +} + +func TestUserRR(t *testing.T) { + tests := map[string]string{ + "host.example. IN UID 1234": "host.example.\t3600\tIN\tUID\t1234", + "host.example. IN GID 1234556": "host.example.\t3600\tIN\tGID\t1234556", + "host.example. IN UINFO \"Miek Gieben\"": "host.example.\t3600\tIN\tUINFO\t\"Miek Gieben\"", + } + for i, o := range tests { + r, err := NewRR(i) + if err != nil { + t.Errorf("failed to parse %s: %v", i, err) + } + if r.String() != o { + t.Errorf("want %s, got %s", o, r.String()) + } + } +} + +func TestTXT(t *testing.T) { + // Test single entry TXT record + rr, err := NewRR(`_raop._tcp.local. 60 IN TXT "single value"`) + if err != nil { + t.Error("failed to parse single value TXT record", err) + } else if rr, ok := rr.(*TXT); !ok { + t.Error("wrong type, record should be of type TXT") + } else { + if len(rr.Txt) != 1 { + t.Error("bad size of TXT value:", len(rr.Txt)) + } else if rr.Txt[0] != "single value" { + t.Error("bad single value") + } + if rr.String() != `_raop._tcp.local. 60 IN TXT "single value"` { + t.Error("bad representation of TXT record:", rr.String()) + } + if rr.len() != 28+1+12 { + t.Error("bad size of serialized record:", rr.len()) + } + } + + // Test multi entries TXT record + rr, err = NewRR(`_raop._tcp.local. 60 IN TXT "a=1" "b=2" "c=3" "d=4"`) + if err != nil { + t.Error("failed to parse multi-values TXT record", err) + } else if rr, ok := rr.(*TXT); !ok { + t.Error("wrong type, record should be of type TXT") + } else { + if len(rr.Txt) != 4 { + t.Error("bad size of TXT multi-value:", len(rr.Txt)) + } else if rr.Txt[0] != "a=1" || rr.Txt[1] != "b=2" || rr.Txt[2] != "c=3" || rr.Txt[3] != "d=4" { + t.Error("bad values in TXT records") + } + if rr.String() != `_raop._tcp.local. 60 IN TXT "a=1" "b=2" "c=3" "d=4"` { + t.Error("bad representation of TXT multi value record:", rr.String()) + } + if rr.len() != 28+1+3+1+3+1+3+1+3 { + t.Error("bad size of serialized multi value record:", rr.len()) + } + } + + // Test empty-string in TXT record + rr, err = NewRR(`_raop._tcp.local. 60 IN TXT ""`) + if err != nil { + t.Error("failed to parse empty-string TXT record", err) + } else if rr, ok := rr.(*TXT); !ok { + t.Error("wrong type, record should be of type TXT") + } else { + if len(rr.Txt) != 1 { + t.Error("bad size of TXT empty-string value:", len(rr.Txt)) + } else if rr.Txt[0] != "" { + t.Error("bad value for empty-string TXT record") + } + if rr.String() != `_raop._tcp.local. 60 IN TXT ""` { + t.Error("bad representation of empty-string TXT record:", rr.String()) + } + if rr.len() != 28+1 { + t.Error("bad size of serialized record:", rr.len()) + } + } + + // Test TXT record with chunk larger than 255 bytes, they should be split up, by the parser + s := "" + for i := 0; i < 255; i++ { + s += "a" + } + s += "b" + rr, err = NewRR(`test.local. 60 IN TXT "` + s + `"`) + if err != nil { + t.Error("failed to parse empty-string TXT record", err) + } + if rr.(*TXT).Txt[1] != "b" { + t.Errorf("Txt should have two chunk, last one my be 'b', but is %s", rr.(*TXT).Txt[1]) + } + t.Log(rr.String()) +} + +func TestTypeXXXX(t *testing.T) { + _, err := NewRR("example.com IN TYPE1234 \\# 4 aabbccdd") + if err != nil { + t.Errorf("failed to parse TYPE1234 RR: %v", err) + } + _, err = NewRR("example.com IN TYPE655341 \\# 8 aabbccddaabbccdd") + if err == nil { + t.Errorf("this should not work, for TYPE655341") + } + _, err = NewRR("example.com IN TYPE1 \\# 4 0a000001") + if err == nil { + t.Errorf("this should not work") + } +} + +func TestPTR(t *testing.T) { + _, err := NewRR("144.2.0.192.in-addr.arpa. 900 IN PTR ilouse03146p0\\(.example.com.") + if err != nil { + t.Error("failed to parse ", err) + } +} + +func TestDigit(t *testing.T) { + tests := map[string]byte{ + "miek\\000.nl. 100 IN TXT \"A\"": 0, + "miek\\001.nl. 100 IN TXT \"A\"": 1, + "miek\\254.nl. 100 IN TXT \"A\"": 254, + "miek\\255.nl. 100 IN TXT \"A\"": 255, + "miek\\256.nl. 100 IN TXT \"A\"": 0, + "miek\\257.nl. 100 IN TXT \"A\"": 1, + "miek\\004.nl. 100 IN TXT \"A\"": 4, + } + for s, i := range tests { + r, err := NewRR(s) + buf := make([]byte, 40) + if err != nil { + t.Fatalf("failed to parse %v", err) + } + PackRR(r, buf, 0, nil, false) + t.Log(buf) + if buf[5] != i { + t.Fatalf("5 pos must be %d, is %d", i, buf[5]) + } + r1, _, _ := UnpackRR(buf, 0) + if r1.Header().Ttl != 100 { + t.Fatalf("TTL should %d, is %d", 100, r1.Header().Ttl) + } + } +} + +func TestParseRRSIGTimestamp(t *testing.T) { + tests := map[string]bool{ + `miek.nl. IN RRSIG SOA 8 2 43200 20140210031301 20140111031301 12051 miek.nl. MVZUyrYwq0iZhMFDDnVXD2BvuNiUJjSYlJAgzyAE6CF875BMvvZa+Sb0 RlSCL7WODQSQHhCx/fegHhVVF+Iz8N8kOLrmXD1+jO3Bm6Prl5UhcsPx WTBsg/kmxbp8sR1kvH4oZJtVfakG3iDerrxNaf0sQwhZzyfJQAqpC7pcBoc=`: true, + `miek.nl. IN RRSIG SOA 8 2 43200 315565800 4102477800 12051 miek.nl. MVZUyrYwq0iZhMFDDnVXD2BvuNiUJjSYlJAgzyAE6CF875BMvvZa+Sb0 RlSCL7WODQSQHhCx/fegHhVVF+Iz8N8kOLrmXD1+jO3Bm6Prl5UhcsPx WTBsg/kmxbp8sR1kvH4oZJtVfakG3iDerrxNaf0sQwhZzyfJQAqpC7pcBoc=`: true, + } + for r := range tests { + _, err := NewRR(r) + if err != nil { + t.Error(err) + } + } +} + +func TestTxtEqual(t *testing.T) { + rr1 := new(TXT) + rr1.Hdr = RR_Header{Name: ".", Rrtype: TypeTXT, Class: ClassINET, Ttl: 0} + rr1.Txt = []string{"a\"a", "\"", "b"} + rr2, _ := NewRR(rr1.String()) + if rr1.String() != rr2.String() { + // This is not an error, but keep this test. + t.Errorf("these two TXT records should match:\n%s\n%s", rr1.String(), rr2.String()) + } + t.Logf("%s\n%s", rr1.String(), rr2.String()) +} + +func TestTxtLong(t *testing.T) { + rr1 := new(TXT) + rr1.Hdr = RR_Header{Name: ".", Rrtype: TypeTXT, Class: ClassINET, Ttl: 0} + // Make a long txt record, this breaks when sending the packet, + // but not earlier. + rr1.Txt = []string{"start-"} + for i := 0; i < 200; i++ { + rr1.Txt[0] += "start-" + } + str := rr1.String() + if len(str) < len(rr1.Txt[0]) { + t.Error("string conversion should work") + } +} + +// Basically, don't crash. +func TestMalformedPackets(t *testing.T) { + var packets = []string{ + "0021641c0000000100000000000078787878787878787878787303636f6d0000100001", + } + + // com = 63 6f 6d + for _, packet := range packets { + data, _ := hex.DecodeString(packet) + // for _, v := range data { + // t.Log(v) + // } + var msg Msg + msg.Unpack(data) + // println(msg.String()) + } +} + +type algorithm struct { + name uint8 + bits int +} + +func TestNewPrivateKey(t *testing.T) { + if testing.Short() { + t.Skip("skipping test in short mode.") + } + algorithms := []algorithm{ + {ECDSAP256SHA256, 256}, + {ECDSAP384SHA384, 384}, + {RSASHA1, 1024}, + {RSASHA256, 2048}, + {DSA, 1024}, + } + + for _, algo := range algorithms { + key := new(DNSKEY) + key.Hdr.Rrtype = TypeDNSKEY + key.Hdr.Name = "miek.nl." + key.Hdr.Class = ClassINET + key.Hdr.Ttl = 14400 + key.Flags = 256 + key.Protocol = 3 + key.Algorithm = algo.name + privkey, err := key.Generate(algo.bits) + if err != nil { + t.Fatal(err) + } + + newPrivKey, err := key.NewPrivateKey(key.PrivateKeyString(privkey)) + if err != nil { + t.Error(key.String()) + t.Error(key.PrivateKeyString(privkey)) + t.Fatal(err) + } + + switch newPrivKey := newPrivKey.(type) { + case *rsa.PrivateKey: + newPrivKey.Precompute() + } + + if !reflect.DeepEqual(privkey, newPrivKey) { + t.Errorf("[%v] Private keys differ:\n%#v\n%#v", AlgorithmToString[algo.name], privkey, newPrivKey) + } + } +} + +// special input test +func TestNewRRSpecial(t *testing.T) { + var ( + rr RR + err error + expect string + ) + + rr, err = NewRR("; comment") + expect = "" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr != nil { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } + + rr, err = NewRR("") + expect = "" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr != nil { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } + + rr, err = NewRR("$ORIGIN foo.") + expect = "" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr != nil { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } + + rr, err = NewRR(" ") + expect = "" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr != nil { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } + + rr, err = NewRR("\n") + expect = "" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr != nil { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } + + rr, err = NewRR("foo. A 1.1.1.1\nbar. A 2.2.2.2") + expect = "foo.\t3600\tIN\tA\t1.1.1.1" + if err != nil { + t.Errorf("unexpected err: %v", err) + } + if rr == nil || rr.String() != expect { + t.Errorf("unexpected result: [%s] != [%s]", rr, expect) + } +} + +func TestPrintfVerbsRdata(t *testing.T) { + x, _ := NewRR("www.miek.nl. IN MX 20 mx.miek.nl.") + if Field(x, 1) != "20" { + t.Errorf("should be 20") + } + if Field(x, 2) != "mx.miek.nl." { + t.Errorf("should be mx.miek.nl.") + } + + x, _ = NewRR("www.miek.nl. IN A 127.0.0.1") + if Field(x, 1) != "127.0.0.1" { + t.Errorf("should be 127.0.0.1") + } + + x, _ = NewRR("www.miek.nl. IN AAAA ::1") + if Field(x, 1) != "::1" { + t.Errorf("should be ::1") + } + + x, _ = NewRR("www.miek.nl. IN NSEC a.miek.nl. A NS SOA MX AAAA") + if Field(x, 1) != "a.miek.nl." { + t.Errorf("should be a.miek.nl.") + } + if Field(x, 2) != "A NS SOA MX AAAA" { + t.Errorf("should be A NS SOA MX AAAA") + } + + x, _ = NewRR("www.miek.nl. IN TXT \"first\" \"second\"") + if Field(x, 1) != "first second" { + t.Errorf("should be first second") + } + if Field(x, 0) != "" { + t.Errorf("should be empty") + } +} + +func TestParseTokenOverflow(t *testing.T) { + _, err := NewRR("_443._tcp.example.org. IN TLSA 0 0 0 308205e8308204d0a00302010202100411de8f53b462f6a5a861b712ec6b59300d06092a864886f70d01010b05003070310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312f302d06035504031326446967694365727420534841322048696768204173737572616e636520536572766572204341301e170d3134313130363030303030305a170d3135313131333132303030305a3081a5310b3009060355040613025553311330110603550408130a43616c69666f726e6961311430120603550407130b4c6f7320416e67656c6573313c303a060355040a1333496e7465726e657420436f72706f726174696f6e20666f722041737369676e6564204e616d657320616e64204e756d6265727331133011060355040b130a546563686e6f6c6f6779311830160603550403130f7777772e6578616d706c652e6f726730820122300d06092a864886f70d01010105000382010f003082010a02820101009e663f52a3d18cb67cdfed547408a4e47e4036538988da2798da3b6655f7240d693ed1cb3fe6d6ad3a9e657ff6efa86b83b0cad24e5d31ff2bf70ec3b78b213f1b4bf61bdc669cbbc07d67154128ca92a9b3cbb4213a836fb823ddd4d7cc04918314d25f06086fa9970ba17e357cca9b458c27eb71760ab95e3f9bc898ae89050ae4d09ba2f7e4259d9ff1e072a6971b18355a8b9e53670c3d5dbdbd283f93a764e71b3a4140ca0746090c08510e2e21078d7d07844bf9c03865b531a0bf2ee766bc401f6451c5a1e6f6fb5d5c1d6a97a0abe91ae8b02e89241e07353909ccd5b41c46de207c06801e08f20713603827f2ae3e68cf15ef881d7e0608f70742e30203010001a382024630820242301f0603551d230418301680145168ff90af0207753cccd9656462a212b859723b301d0603551d0e04160414b000a7f422e9b1ce216117c4c46e7164c8e60c553081810603551d11047a3078820f7777772e6578616d706c652e6f7267820b6578616d706c652e636f6d820b6578616d706c652e656475820b6578616d706c652e6e6574820b6578616d706c652e6f7267820f7777772e6578616d706c652e636f6d820f7777772e6578616d706c652e656475820f7777772e6578616d706c652e6e6574300e0603551d0f0101ff0404030205a0301d0603551d250416301406082b0601050507030106082b0601050507030230750603551d1f046e306c3034a032a030862e687474703a2f2f63726c332e64696769636572742e636f6d2f736861322d68612d7365727665722d67332e63726c3034a032a030862e687474703a2f2f63726c342e64696769636572742e636f6d2f736861322d68612d7365727665722d67332e63726c30420603551d20043b3039303706096086480186fd6c0101302a302806082b06010505070201161c68747470733a2f2f7777772e64696769636572742e636f6d2f43505330818306082b0601050507010104773075302406082b060105050730018618687474703a2f2f6f6373702e64696769636572742e636f6d304d06082b060105050730028641687474703a2f2f636163657274732e64696769636572742e636f6d2f446967694365727453484132486967684173737572616e636553657276657243412e637274300c0603551d130101ff04023000300d06092a864886f70d01010b050003820101005eac2124dedb3978a86ff3608406acb542d3cb54cb83facd63aec88144d6a1bf15dbf1f215c4a73e241e582365cba9ea50dd306541653b3513af1a0756c1b2720e8d112b34fb67181efad9c4609bdc670fb025fa6e6d42188161b026cf3089a08369c2f3609fc84bcc3479140c1922ede430ca8dbac2b2a3cdacb305ba15dc7361c4c3a5e6daa99cb446cb221b28078a7a944efba70d96f31ac143d959bccd2fd50e30c325ea2624fb6b6dbe9344dbcf133bfbd5b4e892d635dbf31596451672c6b65ba5ac9b3cddea92b35dab1065cae3c8cb6bb450a62ea2f72ea7c6bdc7b65fa09b012392543734083c7687d243f8d0375304d99ccd2e148966a8637a6797") + if err == nil { + t.Fatalf("token overflow should return an error") + } + t.Logf("err: %s\n", err) +} + +func TestParseTLSA(t *testing.T) { + lt := []string{ + "_443._tcp.example.org.\t3600\tIN\tTLSA\t1 1 1 c22be239f483c08957bc106219cc2d3ac1a308dfbbdd0a365f17b9351234cf00", + "_443._tcp.example.org.\t3600\tIN\tTLSA\t2 1 2 4e85f45179e9cd6e0e68e2eb5be2e85ec9b92d91c609caf3ef0315213e3f92ece92c38397a607214de95c7fadc0ad0f1c604a469a0387959745032c0d51492f3", + "_443._tcp.example.org.\t3600\tIN\tTLSA\t3 0 2 69ec8d2277360b215d0cd956b0e2747108dff34b27d461a41c800629e38ee6c2d1230cc9e8e36711330adc6766e6ff7c5fbb37f106f248337c1a20ad682888d2", + } + for _, o := range lt { + rr, err := NewRR(o) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", o, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseSSHFP(t *testing.T) { + lt := []string{ + "test.example.org.\t300\tSSHFP\t1 2 (\n" + + "\t\t\t\t\tBC6533CDC95A79078A39A56EA7635984ED655318ADA9\n" + + "\t\t\t\t\tB6159E30723665DA95BB )", + "test.example.org.\t300\tSSHFP\t1 2 ( BC6533CDC 95A79078A39A56EA7635984ED655318AD A9B6159E3072366 5DA95BB )", + } + result := "test.example.org.\t300\tIN\tSSHFP\t1 2 BC6533CDC95A79078A39A56EA7635984ED655318ADA9B6159E30723665DA95BB" + for _, o := range lt { + rr, err := NewRR(o) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != result { + t.Errorf("`%s' should be equal to\n\n`%s', but is \n`%s'", o, result, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseHINFO(t *testing.T) { + dt := map[string]string{ + "example.net. HINFO A B": "example.net. 3600 IN HINFO \"A\" \"B\"", + "example.net. HINFO \"A\" \"B\"": "example.net. 3600 IN HINFO \"A\" \"B\"", + "example.net. HINFO A B C D E F": "example.net. 3600 IN HINFO \"A\" \"B C D E F\"", + "example.net. HINFO AB": "example.net. 3600 IN HINFO \"AB\" \"\"", + // "example.net. HINFO PC-Intel-700mhz \"Redhat Linux 7.1\"": "example.net. 3600 IN HINFO \"PC-Intel-700mhz\" \"Redhat Linux 7.1\"", + // This one is recommended in Pro Bind book http://www.zytrax.com/books/dns/ch8/hinfo.html + // but effectively, even Bind would replace it to correctly formed text when you AXFR + // TODO: remove this set of comments or figure support for quoted/unquoted combinations in endingToTxtSlice function + } + for i, o := range dt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestParseCAA(t *testing.T) { + lt := map[string]string{ + "example.net. CAA 0 issue \"symantec.com\"": "example.net.\t3600\tIN\tCAA\t0 issue \"symantec.com\"", + "example.net. CAA 0 issuewild \"symantec.com; stuff\"": "example.net.\t3600\tIN\tCAA\t0 issuewild \"symantec.com; stuff\"", + "example.net. CAA 128 tbs \"critical\"": "example.net.\t3600\tIN\tCAA\t128 tbs \"critical\"", + "example.net. CAA 2 auth \"0>09\\006\\010+\\006\\001\\004\\001\\214y\\002\\003\\001\\006\\009`\\134H\\001e\\003\\004\\002\\001\\004 y\\209\\012\\221r\\220\\156Q\\218\\150\\150{\\166\\245:\\231\\182%\\157:\\133\\179}\\1923r\\238\\151\\255\\128q\\145\\002\\001\\000\"": "example.net.\t3600\tIN\tCAA\t2 auth \"0>09\\006\\010+\\006\\001\\004\\001\\214y\\002\\003\\001\\006\\009`\\134H\\001e\\003\\004\\002\\001\\004 y\\209\\012\\221r\\220\\156Q\\218\\150\\150{\\166\\245:\\231\\182%\\157:\\133\\179}\\1923r\\238\\151\\255\\128q\\145\\002\\001\\000\"", + "example.net. TYPE257 0 issue \"symantec.com\"": "example.net.\t3600\tIN\tCAA\t0 issue \"symantec.com\"", + } + for i, o := range lt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} + +func TestPackCAA(t *testing.T) { + m := new(Msg) + record := new(CAA) + record.Hdr = RR_Header{Name: "example.com.", Rrtype: TypeCAA, Class: ClassINET, Ttl: 0} + record.Tag = "issue" + record.Value = "symantec.com" + record.Flag = 1 + + m.Answer = append(m.Answer, record) + bytes, err := m.Pack() + if err != nil { + t.Fatalf("failed to pack msg: %v", err) + } + if err := m.Unpack(bytes); err != nil { + t.Fatalf("failed to unpack msg: %v", err) + } + if len(m.Answer) != 1 { + t.Fatalf("incorrect number of answers unpacked") + } + rr := m.Answer[0].(*CAA) + if rr.Tag != "issue" { + t.Fatalf("invalid tag for unpacked answer") + } else if rr.Value != "symantec.com" { + t.Fatalf("invalid value for unpacked answer") + } else if rr.Flag != 1 { + t.Fatalf("invalid flag for unpacked answer") + } +} + +func TestParseURI(t *testing.T) { + lt := map[string]string{ + "_http._tcp. IN URI 10 1 \"http://www.example.com/path\"": "_http._tcp.\t3600\tIN\tURI\t10 1 \"http://www.example.com/path\"", + "_http._tcp. IN URI 10 1 \"\"": "_http._tcp.\t3600\tIN\tURI\t10 1 \"\"", + } + for i, o := range lt { + rr, err := NewRR(i) + if err != nil { + t.Error("failed to parse RR: ", err) + continue + } + if rr.String() != o { + t.Errorf("`%s' should be equal to\n`%s', but is `%s'", i, o, rr.String()) + } else { + t.Logf("RR is OK: `%s'", rr.String()) + } + } +} -- cgit v1.2.3-1-g7c22