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remove the omit_connection_id TLS transport parameter

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This commit is contained in:
Marten Seemann
2018-04-18 15:28:56 +09:00
parent 52d31dd7ef
commit 74ccd194f7
3 changed files with 3 additions and 32 deletions
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1
internal/handshake/tls_extension.go
View File

@@ -13,7 +13,6 @@ const (
initialMaxDataParameterID transportParameterID = 0x1
initialMaxStreamsBiDiParameterID transportParameterID = 0x2
idleTimeoutParameterID transportParameterID = 0x3
omitConnectionIDParameterID transportParameterID = 0x4
maxPacketSizeParameterID transportParameterID = 0x5
statelessResetTokenParameterID transportParameterID = 0x6
initialMaxStreamsUniParameterID transportParameterID = 0x8

22
internal/handshake/transport_parameter_test.go
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@@ -116,10 +116,9 @@ var _ = Describe("Transport Parameters", func() {
ConnectionFlowControlWindow: 0x4321,
MaxBidiStreams: 1337,
MaxUniStreams: 7331,
OmitConnectionID: true,
IdleTimeout: 42 * time.Second,
}
Expect(p.String()).To(Equal("&handshake.TransportParameters{StreamFlowControlWindow: 0x1234, ConnectionFlowControlWindow: 0x4321, MaxBidiStreams: 1337, MaxUniStreams: 7331, OmitConnectionID: true, IdleTimeout: 42s}"))
Expect(p.String()).To(Equal("&handshake.TransportParameters{StreamFlowControlWindow: 0x1234, ConnectionFlowControlWindow: 0x4321, MaxBidiStreams: 1337, MaxUniStreams: 7331, IdleTimeout: 42s}"))
})
Context("parsing", func() {
@@ -147,13 +146,6 @@ var _ = Describe("Transport Parameters", func() {
Expect(params.MaxPacketSize).To(Equal(protocol.ByteCount(0x7331)))
})
It("saves if it should omit the connection ID", func() {
parameters[omitConnectionIDParameterID] = []byte{}
params, err := readTransportParameters(paramsMapToList(parameters))
Expect(err).ToNot(HaveOccurred())
Expect(params.OmitConnectionID).To(BeTrue())
})
It("rejects the parameters if the initial_max_stream_data is missing", func() {
delete(parameters, initialMaxStreamDataParameterID)
_, err := readTransportParameters(paramsMapToList(parameters))
@@ -211,12 +203,6 @@ var _ = Describe("Transport Parameters", func() {
Expect(err).To(MatchError("wrong length for idle_timeout: 3 (expected 2)"))
})
It("rejects the parameters if omit_connection_id is non-empty", func() {
parameters[omitConnectionIDParameterID] = []byte{0} // should be empty
_, err := readTransportParameters(paramsMapToList(parameters))
Expect(err).To(MatchError("wrong length for omit_connection_id: 1 (expected empty)"))
})
It("rejects the parameters if max_packet_size has the wrong length", func() {
parameters[maxPacketSizeParameterID] = []byte{0x11} // should be 2 bytes
_, err := readTransportParameters(paramsMapToList(parameters))
@@ -267,12 +253,6 @@ var _ = Describe("Transport Parameters", func() {
Expect(values).To(HaveKeyWithValue(idleTimeoutParameterID, []byte{0xca, 0xfe}))
Expect(values).To(HaveKeyWithValue(maxPacketSizeParameterID, []byte{0x5, 0xac})) // 1452 = 0x5ac
})
It("request ommission of the connection ID", func() {
params.OmitConnectionID = true
values := paramsListToMap(params.getTransportParameters())
Expect(values).To(HaveKeyWithValue(omitConnectionIDParameterID, []byte{}))
})
})
})
})

12
internal/handshake/transport_parameters.go
View File

@@ -26,7 +26,7 @@ type TransportParameters struct {
MaxBidiStreams uint16 // only used for IETF QUIC
MaxStreams uint32 // only used for gQUIC
OmitConnectionID bool
OmitConnectionID bool // only used for gQUIC
IdleTimeout time.Duration
}
@@ -132,11 +132,6 @@ func readTransportParameters(paramsList []transportParameter) (*TransportParamet
return nil, fmt.Errorf("wrong length for idle_timeout: %d (expected 2)", len(p.Value))
}
params.IdleTimeout = utils.MaxDuration(protocol.MinRemoteIdleTimeout, time.Duration(binary.BigEndian.Uint16(p.Value))*time.Second)
case omitConnectionIDParameterID:
if len(p.Value) != 0 {
return nil, fmt.Errorf("wrong length for omit_connection_id: %d (expected empty)", len(p.Value))
}
params.OmitConnectionID = true
case maxPacketSizeParameterID:
if len(p.Value) != 2 {
return nil, fmt.Errorf("wrong length for max_packet_size: %d (expected 2)", len(p.Value))
@@ -178,14 +173,11 @@ func (p *TransportParameters) getTransportParameters() []transportParameter {
{idleTimeoutParameterID, idleTimeout},
{maxPacketSizeParameterID, maxPacketSize},
}
if p.OmitConnectionID {
params = append(params, transportParameter{omitConnectionIDParameterID, []byte{}})
}
return params
}
// String returns a string representation, intended for logging.
// It should only used for IETF QUIC.
func (p *TransportParameters) String() string {
return fmt.Sprintf("&handshake.TransportParameters{StreamFlowControlWindow: %#x, ConnectionFlowControlWindow: %#x, MaxBidiStreams: %d, MaxUniStreams: %d, OmitConnectionID: %t, IdleTimeout: %s}", p.StreamFlowControlWindow, p.ConnectionFlowControlWindow, p.MaxBidiStreams, p.MaxUniStreams, p.OmitConnectionID, p.IdleTimeout)
return fmt.Sprintf("&handshake.TransportParameters{StreamFlowControlWindow: %#x, ConnectionFlowControlWindow: %#x, MaxBidiStreams: %d, MaxUniStreams: %d, IdleTimeout: %s}", p.StreamFlowControlWindow, p.ConnectionFlowControlWindow, p.MaxBidiStreams, p.MaxUniStreams, p.IdleTimeout)
}