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Copy pathu_quic_frames_test.go
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u_quic_frames_test.go
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package quic
import (
"bytes"
"testing"
"github.com/refraction-networking/clienthellod"
)
func TestQUICFrames(t *testing.T) {
resultQUICPayload, err := testQUICFrames.Build(testCryptoFrameBytes)
if err != nil {
t.Fatalf("Failed to build QUIC frames: %v", err)
}
if len(resultQUICPayload) != len(truthPayloadFromQUICFrames) {
t.Fatalf("QUIC payload length mismatch: got %d, want %d. \n%x", len(resultQUICPayload), len(truthPayloadFromQUICFrames), resultQUICPayload)
}
// verify that the crypto frames would actually assemble the original crypto data
r := bytes.NewReader(resultQUICPayload)
qchframes, err := clienthellod.ReadAllFrames(r)
if err != nil {
t.Fatalf("Failed to read QUIC frames: %v", err)
}
reassembledCryptoData, err := clienthellod.ReassembleCRYPTOFrames(qchframes)
if err != nil {
t.Fatalf("Failed to reassemble crypto data: %v", err)
}
if !bytes.Equal(reassembledCryptoData, testCryptoFrameBytes) {
t.Fatalf("Reassembled crypto data mismatch: \n%x", reassembledCryptoData)
}
}
func TestQUICRandomFrames(t *testing.T) {
resultQUICPayload, err := testQUICRandomFrames.Build(testCryptoFrameBytes)
if err != nil {
t.Fatalf("Failed to build QUIC frames: %v", err)
}
if len(resultQUICPayload) != 512 {
t.Fatalf("QUIC payload length mismatch: got %d, want 512. \n%x", len(resultQUICPayload), resultQUICPayload)
}
// verify that the crypto frames would actually assemble the original crypto data
r := bytes.NewReader(resultQUICPayload)
qchframes, err := clienthellod.ReadAllFrames(r)
if err != nil {
t.Fatalf("Failed to read QUIC frames: %v", err)
}
reassembledCryptoData, err := clienthellod.ReassembleCRYPTOFrames(qchframes)
if err != nil {
t.Fatalf("Failed to reassemble crypto data: %v", err)
}
if !bytes.Equal(reassembledCryptoData, testCryptoFrameBytes) {
t.Fatalf("Reassembled crypto data mismatch: \n%x", reassembledCryptoData)
}
// count how many PING and CRYPTO frames are in the QUIC payload
var pingCount, cryptoCount int
for _, frame := range qchframes {
switch frame.FrameType() {
case clienthellod.QUICFrame_PING:
pingCount++
case clienthellod.QUICFrame_CRYPTO:
cryptoCount++
}
}
if pingCount < 2 || pingCount > 8 {
t.Fatalf("PING frame count mismatch: got %d, want 2-8", pingCount)
}
if cryptoCount < 2 || cryptoCount > 8 {
t.Fatalf("CRYPTO frame count mismatch: got %d, want 2-8", cryptoCount)
}
}
var (
testCryptoFrameBytes = []byte{
0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f,
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,
0x38, 0x39, 0x3a, 0x3b,
0x3c, 0x3d, 0x3e, 0x3f,
} // 64 bytes
testQUICFrames = QUICFrames{
// first 64 bytes: 01 + 63 bytes of padding
&QUICFramePing{},
&QUICFramePadding{Length: 63},
// second 64 bytes: last 32 bytes of crypto frame + 29 bytes of padding
&QUICFrameCrypto{
Offset: 32,
Length: 0,
},
&QUICFramePadding{Length: 29},
// third 64 bytes: first 16 bytes of crypto frame + 45 bytes of padding
&QUICFrameCrypto{
Offset: 0,
Length: 16,
},
&QUICFramePadding{Length: 45},
// fourth 64 bytes: second 16 bytes of crypto frame + 45 bytes of padding
&QUICFrameCrypto{
Offset: 16,
Length: 16,
},
&QUICFramePadding{Length: 45},
}
truthPayloadFromQUICFrames = []byte{
0x01, // ping
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 63 bytes of padding
0x06, 0x20, 0x20, // 3 bytes header
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, // 32 bytes of crypto frame
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, // 29 bytes of padding
0x06, 0x00, 0x10, // 3 bytes header
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, // 16 bytes of crypto frame
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, // 45 bytes of padding
0x06, 0x10, 0x10, // 3 bytes header
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, // 16 bytes of crypto frame
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, // 45 bytes of padding
}
testQUICRandomFrames = QUICRandomFrames{
MinPING: 2,
MaxPING: 8,
MinCRYPTO: 2,
MaxCRYPTO: 8,
MinPADDING: 4,
MaxPADDING: 5,
Length: 512,
}
)