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pad Initial packets to the required minimum size (1200 bytes)

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This commit is contained in:
Marten Seemann 2017-12-08 11:23:12 +07:00
parent 62a664f5f4
commit 6019634286
3 changed files with 35 additions and 3 deletions
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15
packet_packer_test.go
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@ -767,6 +767,21 @@ var _ = Describe("Packet packer", func() {
Expect(err).To(MatchError("PacketPacker BUG: packet too large"))
})
It("pads Initial packets to the required minimum packet size", func() {
packer.version = protocol.VersionTLS
packer.hasSentPacket = false
packer.perspective = protocol.PerspectiveClient
packer.cryptoSetup.(*mockCryptoSetup).encLevelSealCrypto = protocol.EncryptionUnencrypted
cryptoStream.dataForWriting = []byte("foobar")
packet, err := packer.PackPacket()
Expect(err).ToNot(HaveOccurred())
Expect(packet.raw).To(HaveLen(protocol.MinInitialPacketSize))
Expect(packet.frames).To(HaveLen(1))
sf := packet.frames[0].(*wire.StreamFrame)
Expect(sf.Data).To(Equal([]byte("foobar")))
Expect(sf.DataLenPresent).To(BeTrue())
})
It("refuses to retransmit packets that were sent with forward-secure encryption", func() {
p := &ackhandler.Packet{
EncryptionLevel: protocol.EncryptionForwardSecure,