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new: support variable length quic frame padding (#10)

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Add variable length QUIC frame padding support. Refactor how QUIC frames are defined in a QUIC Spec. Update documentation and examples. Added Chrome and Firefox parrots.

Close #3.
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Gaukas Wang 2023-08-05 22:47:08 -06:00 • committed by GitHub
parent 5e966a9bec
commit 9d3fe2aa07
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8 changed files with 1154 additions and 478 deletions
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118
u_initial_packet_spec_test.go
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@ -1,118 +0,0 @@
package quic
import (
"bytes"
"testing"
"github.com/gaukas/clienthellod"
)
func TestQUICFramesMarshalWithCryptoData(t *testing.T) {
resultQUICPayload, err := testQUICFrames.MarshalWithCryptoData(testCryptoFrameBytes)
if err != nil {
t.Fatalf("Failed to marshal QUIC frames: %v", err)
}
if len(resultQUICPayload) != len(truthQUICPayload) {
t.Fatalf("QUIC payload length mismatch: got %d, want %d. \n%x", len(resultQUICPayload), len(truthQUICPayload), 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)
}
}
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},
}
truthQUICPayload = []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
}
)