commit f906368728e255968e866e97cdd2ac51d560f334 · seiso.moe/magna

+117 -26

resource_record.go

···

       226
        
       }

     

       227
        
       

     

       228
        
       func (wks *WKS) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       229
       -
       	address, offset, err := getSlice(buf, offset, 4)

     

       230
       -
       	if err != nil {

     

       231
       -
       		return offset, err

     

       232
        
       	}

     

       233
        
       

     

       234
       -
       	protocol, offset, err := getU8(buf, offset)

     

       235
        
       	if err != nil {

     

       236
       -
       		return offset, err

     

       237
        
       	}

     

       0
        
       
     

       0
        
       
     

       238
        
       

     

       239
       -
       	wks.Address = net.IP(address)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       240
        
       	wks.Protocol = protocol

     

       241
       -
       	wks.BitMap, offset, err = getSlice(buf, offset, offset+int(rdlength)-5)

     

       0
        
       
     

       0
        
       
     

       242
        
       	if err != nil {

     

       243
       -
       		return offset, err

     

       244
        
       	}

     

       0
        
       
     

       245
        
       

     

       246
       -
       	return offset, err

     

       247
        
       }

     

       248
        
       

     

       249
        
       func (wks *WKS) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     
···

       277
        
       }

     

       278
        
       

     

       279
        
       func (hinfo *HINFO) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       280
       -
       	input, offset, err := getSlice(buf, offset, int(rdlength))

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       281
        
       	if err != nil {

     

       282
       -
       		return offset, err

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       283
        
       	}

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       284
        
       

     

       285
       -
       	parts := strings.SplitN(string(input), " ", 2)

     

       286
       -
       	if len(parts) != 2 {

     

       287
       -
       		return offset, &MagnaError{Message: "HINFO expected 2 values separated by a space"}

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       288
        
       	}

     

       289
        
       

     

       290
       -
       	hinfo.CPU = parts[0]

     

       291
       -
       	hinfo.OS = parts[1]

     

       292
       -
       	return offset, err

     

       293
        
       }

     

       294
        
       

     

       295
        
       func (hinfo *HINFO) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       296
        
       	bytes = append(bytes, []byte(hinfo.CPU)...)

     

       297
       -
       	bytes = append(bytes, ' ')

     

       298
        
       	bytes = append(bytes, []byte(hinfo.OS)...)

     

       299
        
       	return bytes

     

       300
        
       }

     

       301
        
       

     

       302
        
       func (hinfo HINFO) String() string {

     

       303
       -
       	return hinfo.OS + " " + hinfo.CPU

     

       304
        
       }

     

       305
        
       

     

       306
        
       func (minfo *MINFO) Decode(buf []byte, offset int, rdlength int) (int, error) {

     
···

       357
        
       }

     

       358
        
       

     

       359
        
       func (txt *TXT) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       360
       -
       	bytes, offset, err := getSlice(buf, offset, rdlength)

     

       361
       -
       	if err != nil {

     

       362
       -
       		return offset, err

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       363
        
       	}

     

       364
        
       

     

       365
       -
       	txt.TxtData = string(bytes)

     

       366
       -
       	return offset, err

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       367
        
       }

     

       368
        
       

     

       369
        
       func (txt *TXT) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     

       370
       -
       	return append(bytes, []byte(txt.TxtData)...)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       371
        
       }

     

       372
        
       

     

       373
        
       func (txt TXT) String() string {

     

       374
       -
       	return txt.TxtData

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       375
        
       }

     

       376
        
       

     

       377
        
       func (r *Reserved) Decode(buf []byte, offset int, rdlength int) (int, error) {

···

       226
        
       }

     

       227
        
       

     

       228
        
       func (wks *WKS) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       229
       +
       	if rdlength < 5 {

     

       230
       +
       		return len(buf), &MagnaError{Message: fmt.Sprintf("magna: WKS RDLENGTH too short: %d", rdlength)}

     

       0
        
       
     

       231
        
       	}

     

       232
        
       

     

       233
       +
       	addressBytes, nextOffset, err := getSlice(buf, offset, 4)

     

       234
        
       	if err != nil {

     

       235
       +
       		return len(buf), fmt.Errorf("magna: WKS error reading address: %w", err)

     

       236
        
       	}

     

       237
       +
       	offset = nextOffset

     

       238
       +
       	wks.Address = net.IP(addressBytes)

     

       239
        
       

     

       240
       +
       	protocol, nextOffset, err := getU8(buf, offset)

     

       241
       +
       	if err != nil {

     

       242
       +
       		return len(buf), fmt.Errorf("magna: WKS error reading protocol: %w", err)

     

       243
       +
       	}

     

       244
       +
       	offset = nextOffset

     

       245
        
       	wks.Protocol = protocol

     

       246
       +
       

     

       247
       +
       	bitmapLength := rdlength - 5

     

       248
       +
       	wks.BitMap, nextOffset, err = getSlice(buf, offset, bitmapLength)

     

       249
        
       	if err != nil {

     

       250
       +
       		return len(buf), fmt.Errorf("magna: WKS error reading bitmap: %w", err)

     

       251
        
       	}

     

       252
       +
       	offset = nextOffset

     

       253
        
       

     

       254
       +
       	return offset, nil

     

       255
        
       }

     

       256
        
       

     

       257
        
       func (wks *WKS) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     
···

       285
        
       }

     

       286
        
       

     

       287
        
       func (hinfo *HINFO) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       288
       +
       	endOffset := offset + rdlength

     

       289
       +
       	if endOffset > len(buf) {

     

       290
       +
       		return len(buf), &BufferOverflowError{Length: len(buf), Offset: endOffset}

     

       291
       +
       	}

     

       292
       +
       

     

       293
       +
       	currentOffset := offset

     

       294
       +
       	var err error

     

       295
       +
       

     

       296
       +
       	cpuLen, nextOffset, err := getU8(buf, currentOffset)

     

       297
        
       	if err != nil {

     

       298
       +
       		return len(buf), fmt.Errorf("magna: HINFO error reading CPU length: %w", err)

     

       299
       +
       	}

     

       300
       +
       	currentOffset = nextOffset

     

       301
       +
       	if currentOffset+int(cpuLen) > endOffset {

     

       302
       +
       		return len(buf), &BufferOverflowError{Length: len(buf), Offset: currentOffset + int(cpuLen)}

     

       303
        
       	}

     

       304
       +
       	cpuBytes, nextOffset, err := getSlice(buf, currentOffset, int(cpuLen))

     

       305
       +
       	if err != nil {

     

       306
       +
       		return len(buf), fmt.Errorf("magna: HINFO error reading CPU data: %w", err)

     

       307
       +
       	}

     

       308
       +
       	currentOffset = nextOffset

     

       309
       +
       	hinfo.CPU = string(cpuBytes)

     

       310
        
       

     

       311
       +
       	osLen, nextOffset, err := getU8(buf, currentOffset)

     

       312
       +
       	if err != nil {

     

       313
       +
       		if currentOffset == endOffset {

     

       314
       +
       			return len(buf), &MagnaError{Message: "magna: HINFO missing OS string"}

     

       315
       +
       		}

     

       316
       +
       		return len(buf), fmt.Errorf("magna: HINFO error reading OS length: %w", err)

     

       317
       +
       	}

     

       318
       +
       	currentOffset = nextOffset

     

       319
       +
       	if currentOffset+int(osLen) > endOffset {

     

       320
       +
       		return len(buf), &BufferOverflowError{Length: len(buf), Offset: currentOffset + int(osLen)}

     

       321
       +
       	}

     

       322
       +
       	osBytes, nextOffset, err := getSlice(buf, currentOffset, int(osLen))

     

       323
       +
       	if err != nil {

     

       324
       +
       		return len(buf), fmt.Errorf("magna: HINFO error reading OS data: %w", err)

     

       325
       +
       	}

     

       326
       +
       	currentOffset = nextOffset

     

       327
       +
       	hinfo.OS = string(osBytes)

     

       328
       +
       

     

       329
       +
       	if currentOffset != endOffset {

     

       330
       +
       		return len(buf), &MagnaError{Message: fmt.Sprintf("magna: HINFO RDATA length mismatch, expected end at %d, ended at %d", endOffset, currentOffset)}

     

       331
        
       	}

     

       332
        
       

     

       333
       +
       	return currentOffset, nil

     

       0
        
       
     

       0
        
       
     

       334
        
       }

     

       335
        
       

     

       336
        
       func (hinfo *HINFO) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     

       337
       +
       	// XXX: should probally return an error

     

       338
       +
       	if len(hinfo.CPU) > 255 {

     

       339
       +
       		hinfo.CPU = hinfo.CPU[:255]

     

       340
       +
       	}

     

       341
       +
       	if len(hinfo.OS) > 255 {

     

       342
       +
       		hinfo.OS = hinfo.OS[:255]

     

       343
       +
       	}

     

       344
       +
       

     

       345
       +
       	bytes = append(bytes, byte(len(hinfo.CPU)))

     

       346
        
       	bytes = append(bytes, []byte(hinfo.CPU)...)

     

       347
       +
       	bytes = append(bytes, byte(len(hinfo.OS)))

     

       348
        
       	bytes = append(bytes, []byte(hinfo.OS)...)

     

       349
        
       	return bytes

     

       350
        
       }

     

       351
        
       

     

       352
        
       func (hinfo HINFO) String() string {

     

       353
       +
       	return fmt.Sprintf("%q %q", hinfo.CPU, hinfo.OS)

     

       354
        
       }

     

       355
        
       

     

       356
        
       func (minfo *MINFO) Decode(buf []byte, offset int, rdlength int) (int, error) {

     
···

       407
        
       }

     

       408
        
       

     

       409
        
       func (txt *TXT) Decode(buf []byte, offset int, rdlength int) (int, error) {

     

       410
       +
       	txt.TxtData = make([]string, 0, 1)

     

       411
       +
       	endOffset := offset + rdlength

     

       412
       +
       	if endOffset > len(buf) {

     

       413
       +
       		return len(buf), &BufferOverflowError{Length: len(buf), Offset: endOffset}

     

       414
       +
       	}

     

       415
       +
       

     

       416
       +
       	currentOffset := offset

     

       417
       +
       	for currentOffset < endOffset {

     

       418
       +
       		strLen, nextOffsetAfterLen, err := getU8(buf, currentOffset)

     

       419
       +
       		if err != nil {

     

       420
       +
       			return len(buf), fmt.Errorf("magna: error reading TXT string length byte: %w", err)

     

       421
       +
       		}

     

       422
       +
       

     

       423
       +
       		nextOffsetAfterData := nextOffsetAfterLen + int(strLen)

     

       424
       +
       		if nextOffsetAfterData > endOffset {

     

       425
       +
       			return len(buf), &MagnaError{

     

       426
       +
       				Message: fmt.Sprintf("magna: TXT string segment length %d at offset %d exceeds RDLENGTH boundary %d", strLen, nextOffsetAfterLen, endOffset),

     

       427
       +
       			}

     

       428
       +
       		}

     

       429
       +
       

     

       430
       +
       		strBytes, actualNextOffsetAfterData, err := getSlice(buf, nextOffsetAfterLen, int(strLen))

     

       431
       +
       		if err != nil {

     

       432
       +
       			return len(buf), fmt.Errorf("magna: error reading TXT string data: %w", err)

     

       433
       +
       		}

     

       434
       +
       

     

       435
       +
       		txt.TxtData = append(txt.TxtData, string(strBytes))

     

       436
       +
       		currentOffset = actualNextOffsetAfterData

     

       437
        
       	}

     

       438
        
       

     

       439
       +
       	if currentOffset != endOffset {

     

       440
       +
       		return len(buf), &MagnaError{

     

       441
       +
       			Message: fmt.Sprintf("magna: TXT RDATA parsing finished at offset %d, but expected end at %d based on RDLENGTH", currentOffset, endOffset),

     

       442
       +
       		}

     

       443
       +
       	}

     

       444
       +
       

     

       445
       +
       	return currentOffset, nil

     

       446
        
       }

     

       447
        
       

     

       448
        
       func (txt *TXT) Encode(bytes []byte, offsets *map[string]uint16) []byte {

     

       449
       +
       	for _, s := range txt.TxtData {

     

       450
       +
       		if len(s) > 255 {

     

       451
       +
       			// XXX: should return probably an error

     

       452
       +
       			s = s[:255]

     

       453
       +
       		}

     

       454
       +
       		bytes = append(bytes, byte(len(s)))

     

       455
       +
       		bytes = append(bytes, []byte(s)...)

     

       456
       +
       	}

     

       457
       +
       	return bytes

     

       458
        
       }

     

       459
        
       

     

       460
        
       func (txt TXT) String() string {

     

       461
       +
       	quoted := make([]string, len(txt.TxtData))

     

       462
       +
       	for i, s := range txt.TxtData {

     

       463
       +
       		quoted[i] = fmt.Sprintf("%q", s)

     

       464
       +
       	}

     

       465
       +
       	return strings.Join(quoted, " ")

     

       466
        
       }

     

       467
        
       

     

       468
        
       func (r *Reserved) Decode(buf []byte, offset int, rdlength int) (int, error) {

+92 -1

resource_record_test.go

···

       1
        
       package magna

     

       2
        
       

     

       3
        
       import (

     

       4
       -
       	// "bytes"

     

       0
        
       
     

       5
        
       	"testing"

     

       6
        
       

     

       7
        
       	"github.com/stretchr/testify/assert"

     

       0
        
       
     

       8
        
       )

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       9
        
       

     

       10
        
       func TestSOADecodeWithCompression(t *testing.T) {

     

       11
        
       	input := []byte{0x69, 0x7b, 0x81, 0x83, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xf, 0x6e, 0x6f, 0x77, 0x61, 0x79, 0x74, 0x68, 0x69, 0x73, 0x65, 0x78, 0x69, 0x73, 0x74, 0x73, 0x3, 0x63, 0x6f, 0x6d, 0x0, 0x0, 0x1, 0x0, 0x1, 0xc0, 0x1c, 0x0, 0x6, 0x0, 0x1, 0x0, 0x0, 0x3, 0x84, 0x0, 0x3d, 0x1, 0x61, 0xc, 0x67, 0x74, 0x6c, 0x64, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x3, 0x6e, 0x65, 0x74, 0x0, 0x5, 0x6e, 0x73, 0x74, 0x6c, 0x64, 0xc, 0x76, 0x65, 0x72, 0x69, 0x73, 0x69, 0x67, 0x6e, 0x2d, 0x67, 0x72, 0x73, 0xc0, 0x1c, 0x67, 0xaa, 0xc5, 0x6b, 0x0, 0x0, 0x7, 0x8, 0x0, 0x0, 0x3, 0x84, 0x0, 0x9, 0x3a, 0x80, 0x0, 0x0, 0x3, 0x84}

···

       1
        
       package magna

     

       2
        
       

     

       3
        
       import (

     

       4
       +
       	"encoding/binary"

     

       5
       +
       	"net"

     

       6
        
       	"testing"

     

       7
        
       

     

       8
        
       	"github.com/stretchr/testify/assert"

     

       9
       +
       	"github.com/stretchr/testify/require"

     

       10
        
       )

     

       11
       +
       

     

       12
       +
       func TestTXTRecord(t *testing.T) {

     

       13
       +
       	rdataBytes := []byte{0x03, 'a', 'b', 'c', 0x03, 'd', 'e', 'f'}

     

       14
       +
       	rdlength := uint16(len(rdataBytes))

     

       15
       +
       

     

       16
       +
       	buf := []byte{0x00}

     

       17
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(TXTType))

     

       18
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(IN))

     

       19
       +
       	buf = binary.BigEndian.AppendUint32(buf, 3600)

     

       20
       +
       	buf = binary.BigEndian.AppendUint16(buf, rdlength)

     

       21
       +
       	buf = append(buf, rdataBytes...)

     

       22
       +
       

     

       23
       +
       	rr := &ResourceRecord{}

     

       24
       +
       	offset, err := rr.Decode(buf, 0)

     

       25
       +
       	require.NoError(t, err)

     

       26
       +
       	assert.Equal(t, len(buf), offset)

     

       27
       +
       	require.IsType(t, &TXT{}, rr.RData)

     

       28
       +
       

     

       29
       +
       	txtData := rr.RData.(*TXT)

     

       30
       +
       

     

       31
       +
       	expectedDecodedData := []string{"abc", "def"}

     

       32
       +
       	assert.Equal(t, expectedDecodedData, txtData.TxtData, "Decoded TXT data does not match expected concatenation")

     

       33
       +
       

     

       34
       +
       	txtToEncode := &TXT{TxtData: []string{"test"}}

     

       35
       +
       	expectedEncodedRdata := []byte{0x04, 't', 'e', 's', 't'}

     

       36
       +
       

     

       37
       +
       	encodeBuf := []byte{}

     

       38
       +
       	encodedRdata := txtToEncode.Encode(encodeBuf, nil)

     

       39
       +
       

     

       40
       +
       	assert.Equal(t, expectedEncodedRdata, encodedRdata, "Encoded TXT RDATA is incorrect")

     

       41
       +
       }

     

       42
       +
       

     

       43
       +
       func TestHINFORecordRFCCompliance(t *testing.T) {

     

       44
       +
       	rdataBytes := []byte{0x03, 'C', 'P', 'U', 0x02, 'O', 'S'}

     

       45
       +
       	rdlength := uint16(len(rdataBytes))

     

       46
       +
       

     

       47
       +
       	buf := []byte{0x00}

     

       48
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(HINFOType))

     

       49
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(IN))

     

       50
       +
       	buf = binary.BigEndian.AppendUint32(buf, 3600)

     

       51
       +
       	buf = binary.BigEndian.AppendUint16(buf, rdlength)

     

       52
       +
       	buf = append(buf, rdataBytes...)

     

       53
       +
       

     

       54
       +
       	rr := &ResourceRecord{}

     

       55
       +
       	offset, err := rr.Decode(buf, 0)

     

       56
       +
       	require.NoError(t, err)

     

       57
       +
       	assert.Equal(t, len(buf), offset)

     

       58
       +
       	require.IsType(t, &HINFO{}, rr.RData)

     

       59
       +
       

     

       60
       +
       	hinfoData := rr.RData.(*HINFO)

     

       61
       +
       

     

       62
       +
       	assert.Equal(t, "CPU", hinfoData.CPU, "Decoded HINFO CPU does not match")

     

       63
       +
       	assert.Equal(t, "OS", hinfoData.OS, "Decoded HINFO OS does not match")

     

       64
       +
       

     

       65
       +
       	hinfoToEncode := &HINFO{CPU: "Intel", OS: "Linux"}

     

       66
       +
       	expectedEncodedRdata := []byte{0x05, 'I', 'n', 't', 'e', 'l', 0x05, 'L', 'i', 'n', 'u', 'x'}

     

       67
       +
       	encodeBuf := []byte{}

     

       68
       +
       	encodedRdata := hinfoToEncode.Encode(encodeBuf, nil)

     

       69
       +
       

     

       70
       +
       	assert.Equal(t, expectedEncodedRdata, encodedRdata, "Encoded HINFO RDATA is incorrect")

     

       71
       +
       }

     

       72
       +
       

     

       73
       +
       func TestWKSRecordDecoding(t *testing.T) {

     

       74
       +
       	addr := net.ParseIP("192.168.1.1").To4()

     

       75
       +
       	proto := byte(6)

     

       76
       +
       	bitmap := []byte{0x01, 0x80}

     

       77
       +
       	rdataBytes := append(addr, proto)

     

       78
       +
       	rdataBytes = append(rdataBytes, bitmap...)

     

       79
       +
       	rdlength := uint16(len(rdataBytes))

     

       80
       +
       

     

       81
       +
       	buf := []byte{0x00}

     

       82
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(WKSType))

     

       83
       +
       	buf = binary.BigEndian.AppendUint16(buf, uint16(IN))

     

       84
       +
       	buf = binary.BigEndian.AppendUint32(buf, 3600)

     

       85
       +
       	buf = binary.BigEndian.AppendUint16(buf, rdlength)

     

       86
       +
       	buf = append(buf, rdataBytes...)

     

       87
       +
       

     

       88
       +
       	rr := &ResourceRecord{}

     

       89
       +
       	offset, err := rr.Decode(buf, 0)

     

       90
       +
       	require.NoError(t, err)

     

       91
       +
       	assert.Equal(t, len(buf), offset)

     

       92
       +
       	require.IsType(t, &WKS{}, rr.RData)

     

       93
       +
       

     

       94
       +
       	wksData := rr.RData.(*WKS)

     

       95
       +
       

     

       96
       +
       	assert.Equal(t, addr, wksData.Address.To4())

     

       97
       +
       	assert.Equal(t, proto, wksData.Protocol)

     

       98
       +
       	assert.Equal(t, bitmap, wksData.BitMap)

     

       99
       +
       }

     

       100
        
       

     

       101
        
       func TestSOADecodeWithCompression(t *testing.T) {

     

       102
        
       	input := []byte{0x69, 0x7b, 0x81, 0x83, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xf, 0x6e, 0x6f, 0x77, 0x61, 0x79, 0x74, 0x68, 0x69, 0x73, 0x65, 0x78, 0x69, 0x73, 0x74, 0x73, 0x3, 0x63, 0x6f, 0x6d, 0x0, 0x0, 0x1, 0x0, 0x1, 0xc0, 0x1c, 0x0, 0x6, 0x0, 0x1, 0x0, 0x0, 0x3, 0x84, 0x0, 0x3d, 0x1, 0x61, 0xc, 0x67, 0x74, 0x6c, 0x64, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x3, 0x6e, 0x65, 0x74, 0x0, 0x5, 0x6e, 0x73, 0x74, 0x6c, 0x64, 0xc, 0x76, 0x65, 0x72, 0x69, 0x73, 0x69, 0x67, 0x6e, 0x2d, 0x67, 0x72, 0x73, 0xc0, 0x1c, 0x67, 0xaa, 0xc5, 0x6b, 0x0, 0x0, 0x7, 0x8, 0x0, 0x0, 0x3, 0x84, 0x0, 0x9, 0x3a, 0x80, 0x0, 0x0, 0x3, 0x84}

+1 -1

types.go

···

       317
        
       

     

       318
        
       // TXT represents one or more character strings.

     

       319
        
       type TXT struct {

     

       320
       -
       	TxtData string

     

       321
        
       }

     

       322
        
       

     

       323
        
       // Reserved represents a record that is not yet implemented.

···

       317
        
       

     

       318
        
       // TXT represents one or more character strings.

     

       319
        
       type TXT struct {

     

       320
       +
       	TxtData []string

     

       321
        
       }

     

       322
        
       

     

       323
        
       // Reserved represents a record that is not yet implemented.