13 _ "github.com/anacrolix/envpprof"
14 "github.com/bradfitz/iter"
15 "github.com/stretchr/testify/require"
18 func sliceIter(skeys [][]byte) SecretKeyIter {
19 return func(callback func([]byte) bool) {
20 for _, sk := range skeys {
28 func TestReadUntil(t *testing.T) {
29 test := func(data, until string, leftover int, expectedErr error) {
30 r := bytes.NewReader([]byte(data))
31 err := readUntil(r, []byte(until))
32 if err != expectedErr {
35 if r.Len() != leftover {
39 test("feakjfeafeafegbaabc00", "abc", 2, nil)
40 test("feakjfeafeafegbaadc00", "abc", 0, io.EOF)
43 func TestSuffixMatchLen(t *testing.T) {
44 test := func(a, b string, expected int) {
45 actual := suffixMatchLen([]byte(a), []byte(b))
46 if actual != expected {
47 t.Fatalf("expected %d, got %d for %q and %q", expected, actual, a, b)
50 test("hello", "world", 0)
51 test("hello", "lo", 2)
52 test("hello", "llo", 3)
53 test("hello", "hell", 0)
54 test("hello", "helloooo!", 5)
55 test("hello", "lol!", 2)
56 test("hello", "mondo", 0)
57 test("mongo", "webscale", 0)
58 test("sup", "person", 1)
61 func handshakeTest(t testing.TB, ia []byte, aData, bData string, cryptoProvides CryptoMethod, cryptoSelect CryptoSelector) {
63 wg := sync.WaitGroup{}
67 a, err := InitiateHandshake(a, []byte("yep"), ia, cryptoProvides)
72 go a.Write([]byte(aData))
75 n, _ := a.Read(msg[:])
79 // t.Log(string(msg[:n]))
83 b, err := ReceiveHandshake(b, sliceIter([][]byte{[]byte("nope"), []byte("yep"), []byte("maybe")}), cryptoSelect)
88 go b.Write([]byte(bData))
89 // Need to be exact here, as there are several reads, and net.Pipe is
91 msg := make([]byte, len(ia)+len(aData))
92 n, _ := io.ReadFull(b, msg[:])
96 // t.Log(string(msg[:n]))
103 func allHandshakeTests(t testing.TB, provides CryptoMethod, selector CryptoSelector) {
104 handshakeTest(t, []byte("jump the gun, "), "hello world", "yo dawg", provides, selector)
105 handshakeTest(t, nil, "hello world", "yo dawg", provides, selector)
106 handshakeTest(t, []byte{}, "hello world", "yo dawg", provides, selector)
109 func TestHandshakeDefault(t *testing.T) {
110 allHandshakeTests(t, AllSupportedCrypto, DefaultCryptoSelector)
111 t.Logf("crypto provides encountered: %s", cryptoProvidesCount)
114 func TestHandshakeSelectPlaintext(t *testing.T) {
115 allHandshakeTests(t, AllSupportedCrypto, func(CryptoMethod) CryptoMethod { return CryptoMethodPlaintext })
118 func BenchmarkHandshakeDefault(b *testing.B) {
119 for range iter.N(b.N) {
120 allHandshakeTests(b, AllSupportedCrypto, DefaultCryptoSelector)
124 type trackReader struct {
129 func (tr *trackReader) Read(b []byte) (n int, err error) {
130 n, err = tr.r.Read(b)
135 func TestReceiveRandomData(t *testing.T) {
136 tr := trackReader{rand.Reader, 0}
137 _, err := ReceiveHandshake(readWriter{&tr, ioutil.Discard}, nil, DefaultCryptoSelector)
139 require.Error(t, err)
140 // Establishing S, and then reading the maximum padding for giving up on
142 require.EqualValues(t, 96+532, tr.n)
145 func fillRand(t testing.TB, bs ...[]byte) {
146 for _, b := range bs {
147 _, err := rand.Read(b)
148 require.NoError(t, err)
152 func readAndWrite(rw io.ReadWriter, r []byte, w []byte) error {
153 var wg sync.WaitGroup
158 _, wErr = rw.Write(w)
160 _, err := io.ReadFull(rw, r)
168 func benchmarkStream(t *testing.B, crypto CryptoMethod) {
169 ia := make([]byte, 0x1000)
170 a := make([]byte, 1<<20)
171 b := make([]byte, 1<<20)
172 fillRand(t, ia, a, b)
174 t.SetBytes(int64(len(ia) + len(a) + len(b)))
176 for range iter.N(t.N) {
178 ar := make([]byte, len(b))
179 br := make([]byte, len(ia)+len(a))
181 var wg sync.WaitGroup
186 rw, err := InitiateHandshake(ac, []byte("cats"), ia, crypto)
187 require.NoError(t, err)
188 require.NoError(t, readAndWrite(rw, ar, a))
192 rw, err := ReceiveHandshake(bc, sliceIter([][]byte{[]byte("cats")}), func(CryptoMethod) CryptoMethod { return crypto })
193 require.NoError(t, err)
194 require.NoError(t, readAndWrite(rw, br, b))
197 if !bytes.Equal(ar, b) {
198 t.Fatalf("A read the wrong bytes")
200 if !bytes.Equal(br[:len(ia)], ia) {
201 t.Fatalf("B read the wrong IA")
203 if !bytes.Equal(br[len(ia):], a) {
204 t.Fatalf("B read the wrong A")
206 // require.Equal(t, b, ar)
207 // require.Equal(t, ia, br[:len(ia)])
208 // require.Equal(t, a, br[len(ia):])
212 func BenchmarkStreamRC4(t *testing.B) {
213 benchmarkStream(t, CryptoMethodRC4)
216 func BenchmarkStreamPlaintext(t *testing.B) {
217 benchmarkStream(t, CryptoMethodPlaintext)
220 func BenchmarkPipeRC4(t *testing.B) {
221 key := make([]byte, 20)
222 n, _ := rand.Read(key)
223 require.Equal(t, len(key), n)
225 c, err := rc4.NewCipher(key)
226 require.NoError(t, err)
231 c, err = rc4.NewCipher(key)
232 require.NoError(t, err)
237 a := make([]byte, 0x1000)
238 n, _ = io.ReadFull(rand.Reader, a)
239 require.Equal(t, len(a), n)
240 b := make([]byte, len(a))
241 t.SetBytes(int64(len(a)))
243 for range iter.N(t.N) {
252 if !bytes.Equal(a, b) {