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|
//
// Copyright (c) 2017 anygone contributors (see AUTHORS file)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * Neither the name of anygone nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
package satp
import (
"bytes"
"math/rand"
// "reflect"
"io/ioutil"
"testing"
)
const (
NUM_RANDOM_DATASETS = 100
)
var (
IPv4Packet *PlainPacket
IPv4Type = uint16(0x0800)
IPv4Ping *PlainPacket
IPv4PingData = [...]byte{
0x45, 0x00, 0x00, 0x54, 0xB7, 0xCC, 0x40, 0x00, 0x40, 0x01, 0xAD, 0x73, 0xC0, 0xA8, 0x2A, 0x17,
0xC0, 0xA8, 0x2A, 0x01, 0x08, 0x00, 0xB4, 0x04, 0x3D, 0xE2, 0x00, 0x01, 0xE6, 0x00, 0xB1, 0x59,
0x00, 0x00, 0x00, 0x00, 0xA4, 0xEA, 0x0B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13,
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
0x34, 0x35, 0x36, 0x37}
IPv6Packet *PlainPacket
IPv6Type = uint16(0x86DD)
IPv6Ping *PlainPacket
IPv6PingData = [...]byte{
0x60, 0x0E, 0x9B, 0x1F, 0x00, 0x40, 0x3A, 0x40, 0x2A, 0x02, 0x12, 0x34, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x02, 0x12, 0x34, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x42, 0x80, 0x00, 0xE6, 0x21, 0x46, 0x22, 0x00, 0x01,
0x3E, 0x06, 0xB1, 0x59, 0x00, 0x00, 0x00, 0x00, 0x21, 0x5E, 0x0B, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37}
EthernetFrame *PlainPacket
EthernetType = uint16(0x6558)
ARPRequest *PlainPacket
ARPRequestData = [...]byte{
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC6, 0x5A, 0xD4, 0xC7, 0x23, 0x43, 0x08, 0x06, 0x00, 0x01,
0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0xC6, 0x5A, 0xD4, 0xC7, 0x23, 0x43, 0xC0, 0xA8, 0x2A, 0x17,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xA8, 0x2A, 0x01}
)
func init() {
IPv4Packet = NewPlainPacket()
IPv4Packet.SetPayloadType(IPv4Type)
IPv4Ping = NewPlainPacket()
IPv4Ping.SetPayloadType(IPv4Type)
IPv6Packet = NewPlainPacket()
IPv6Packet.SetPayloadType(IPv6Type)
IPv6Ping = NewPlainPacket()
IPv6Ping.SetPayloadType(IPv6Type)
EthernetFrame = NewPlainPacket()
EthernetFrame.SetPayloadType(EthernetType)
ARPRequest = NewPlainPacket()
ARPRequest.SetPayloadType(EthernetType)
}
func TestPlainPacketPayloadType(t *testing.T) {
testvectors := []uint16{0, IPv4Type, IPv6Type, EthernetType, 0xAA55, 0xF00F}
for _, vector := range testvectors {
pkt := NewPlainPacket()
if vector > 0 {
pkt.SetPayloadType(vector)
}
result := pkt.getPacket()
expected := []byte{byte(vector >> 8), byte(vector)}
if bytes.Compare(result, expected) != 0 {
t.Fatalf("resulting packet is invalid is: '%v', should be '%v'", result, expected)
}
payloadType := pkt.GetPayloadType()
if vector != payloadType {
t.Fatalf("resulting payload type is invalid is: '%v', should be '%v'", payloadType, vector)
}
}
}
func TestPlainPacketReadFrom(t *testing.T) {
// TODO: implement this
}
func TestPlainPacketWriteTo(t *testing.T) {
// TODO: implement this
}
func generateRandomTestDataPlainPacket() (payloadType uint16, payload []byte) {
payloadType = uint16(rand.Uint32())
packetlen := uint(2 + rand.Int31n(PACKET_BUFFER_SIZE-2))
payload = make([]byte, packetlen)
rand.Read(payload)
return
}
func TestPlainPacketReadWrite(t *testing.T) {
for i := 0; i < NUM_RANDOM_DATASETS; i++ {
pkt := NewPlainPacket()
inType, in := generateRandomTestDataPlainPacket()
pkt.SetPayloadType(inType)
n, err := pkt.ReadFrom(bytes.NewReader(in))
if err != nil {
t.Fatal("unexpected error:", err)
}
if n != int64(len(in)) {
t.Fatalf("returned length is invalid is: %d, should be %d", n, len(in))
}
out := &bytes.Buffer{}
if n, err = pkt.WriteTo(out); err != nil {
t.Fatal("unexpected error:", err)
}
if n != int64(len(in)) {
t.Fatalf("returned length is invalid is: %d, should be %d", n, len(in))
}
if bytes.Compare(in, out.Bytes()) != 0 {
t.Fatalf("resulting packet is invalid is: '%v', should be '%v'", out.Bytes(), in)
}
}
}
// func TestEncryptedPacketMarshal(t *testing.T) {
// testvectors := []struct {
// packet EncryptedPacket
// valid bool
// expected []byte
// }{
// {EncryptedPacket{}, false, []byte{}},
// {EncryptedPacket{Payload: []byte{0x0}}, false, []byte{}},
// {EncryptedPacket{Payload: []byte{0x8}}, false, []byte{}},
// {EncryptedPacket{Payload: []byte{0x0, 0x0}}, true, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
// {EncryptedPacket{Payload: []byte{0x42, 0x23}}, true, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x42, 0x23}},
// {EncryptedPacket{Payload: []byte{0x17, 0x4, 0x0}}, true, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x17, 0x4, 0x0}},
// {*NewEncryptedPacket(3), false, []byte{}},
// {EncryptedPacket{Payload: []byte{0x00, 0x56, 0xa5}, AuthTag: make([]byte, 3)}, true, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x56, 0xa5, 0x0, 0x0, 0x0}},
// }
// for _, vector := range testvectors {
// result, err := vector.packet.MarshalBinary()
// if vector.valid {
// if err != nil {
// t.Fatal("unexpected error:", err)
// }
// if bytes.Compare(vector.expected, result) != 0 {
// t.Fatalf("resulting packet is invalid is: '%v', should be '%v'", result, vector.expected)
// }
// } else {
// if err == nil {
// t.Fatalf("marshalling '%+v' should give an error", vector.packet)
// }
// }
// }
// }
// func TestEncryptedPacketUnmarshal(t *testing.T) {
// testvectors := []struct {
// data []byte
// valid bool
// authTagLen uint
// expected EncryptedPacket
// }{
// {[]byte{}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, false, 0, EncryptedPacket{}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, true, 0, EncryptedPacket{Payload: []byte{0x0, 0x0}}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, false, 1, EncryptedPacket{Payload: []byte{0x0, 0x0}}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, true, 1, EncryptedPacket{Payload: []byte{0x0, 0x0}, AuthTag: []byte{0x0}}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, true, 0, EncryptedPacket{Payload: []byte{0x0, 0x0, 0x0}}},
// {[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, true, 3, EncryptedPacket{Payload: []byte{0x0, 0x0}, AuthTag: []byte{0x0, 0x0, 0x0}}},
// }
// for _, vector := range testvectors {
// result := *NewEncryptedPacket(vector.authTagLen)
// err := result.UnmarshalBinary(vector.data)
// if vector.valid {
// if err != nil {
// t.Fatal("unexpected error:", err)
// }
// if !reflect.DeepEqual(vector.expected, result) {
// t.Fatalf("unmarshalled packet is wrong: is '%+v', should be '%+v'", result, vector.expected)
// }
// } else {
// if err == nil {
// t.Fatalf("unmarshalling '%+v' should give an error", vector.data)
// }
// }
// }
// }
// func generateRandomTestDataEncryptedPacket() (ep *EncryptedPacket) {
// authtaglen := uint(rand.Int31n(32))
// payloadlen := uint(2 + rand.Int31n(2000))
// ep = NewEncryptedPacket(authtaglen)
// ep.SequenceNumber = rand.Uint32()
// ep.SenderID = uint16(rand.Uint32())
// ep.Mux = uint16(rand.Uint32())
// ep.Payload = make([]byte, payloadlen)
// rand.Read(ep.Payload)
// return
// }
// func TestEncryptedPacketMarshalUnmarshal(t *testing.T) {
// for i := 0; i < NUM_RANDOM_DATASETS; i++ {
// in := generateRandomTestDataEncryptedPacket()
// marshalled, err := in.MarshalBinary()
// if err != nil {
// t.Fatal("unexpected error:", err)
// }
// out := NewEncryptedPacket(uint(len(in.AuthTag)))
// if err = out.UnmarshalBinary(marshalled); err != nil {
// t.Fatal("unexpected error:", err)
// }
// if !reflect.DeepEqual(in, out) {
// t.Fatalf("unmarshalled packet is wrong: is '%+v', should be '%+v'", out, in)
// }
// }
// }
//
// Benchmarking
//
func BenchmarkPlainPacketReadFrom(b *testing.B) {
ins := []*bytes.Buffer{}
for i := 0; i < NUM_RANDOM_DATASETS; i++ {
_, payload := generateRandomTestDataPlainPacket()
ins = append(ins, bytes.NewBuffer(payload))
}
pkt := NewPlainPacket()
b.ResetTimer()
for i := 0; i < b.N; i++ {
in := ins[i%len(ins)]
in.Reset()
if _, err := pkt.ReadFrom(in); err != nil {
b.Fatal("unexpected error:", err)
}
}
}
func BenchmarkPlainPacketWriteTo(b *testing.B) {
ins := []*PlainPacket{}
for i := 0; i < NUM_RANDOM_DATASETS; i++ {
_, payload := generateRandomTestDataPlainPacket()
in := NewPlainPacket()
if _, err := in.ReadFrom(bytes.NewReader(payload)); err != nil {
b.Fatal("unexpected error:", err)
}
ins = append(ins, in)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
in := ins[i%len(ins)]
if _, err := in.WriteTo(ioutil.Discard); err != nil {
b.Fatal("unexpected error:", err)
}
}
}
// func BenchmarkEncryptedPacketMarshal(b *testing.B) {
// ins := []*EncryptedPacket{}
// for i := 0; i < NUM_RANDOM_DATASETS; i++ {
// ins = append(ins, generateRandomTestDataEncryptedPacket())
// }
// b.ResetTimer()
// for i := 0; i < b.N; i++ {
// in := ins[i%len(ins)]
// if _, err := in.MarshalBinary(); err != nil {
// b.Fatal("unexpected error:", err)
// }
// }
// }
// func BenchmarkEncryptedPacketUnMarshal(b *testing.B) {
// type inType struct {
// authTagLen uint
// data []byte
// }
// ins := []inType{}
// for i := 0; i < NUM_RANDOM_DATASETS; i++ {
// pkt := generateRandomTestDataEncryptedPacket()
// inData, err := pkt.MarshalBinary()
// if err != nil {
// b.Fatal("unexpected error:", err)
// }
// ins = append(ins, inType{uint(len(pkt.AuthTag)), inData})
// }
// b.ResetTimer()
// for i := 0; i < b.N; i++ {
// in := ins[i%len(ins)]
// out := NewEncryptedPacket(in.authTagLen)
// if err := out.UnmarshalBinary(in.data); err != nil {
// b.Fatal("unexpected error:", err)
// }
// }
// }
|
