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set and verify the initial_source_connection_id

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This commit is contained in:
Marten Seemann 2020-05-24 15:57:53 +07:00
parent a9dc1e49ab
commit fb2a5f413e
2 changed files with 31 additions and 3 deletions
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10
session.go
View file

@ -274,6 +274,7 @@ var newSession = func(
StatelessResetToken: &statelessResetToken,
OriginalDestinationConnectionID: origDestConnID,
ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs,
InitialSourceConnectionID: srcConnID,
}
if s.qlogger != nil {
s.qlogger.SentTransportParameters(params)
@ -390,6 +391,7 @@ var newClientSession = func(
AckDelayExponent: protocol.AckDelayExponent,
DisableActiveMigration: true,
ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs,
InitialSourceConnectionID: srcConnID,
}
if s.qlogger != nil {
s.qlogger.SentTransportParameters(params)
@ -1289,7 +1291,13 @@ func (s *session) processTransportParameters(params *wire.TransportParameters) {
s.qlogger.ReceivedTransportParameters(params)
}
// check the Retry token
// check the initial_source_connection_id
if !params.InitialSourceConnectionID.Equal(s.handshakeDestConnID) {
s.closeLocal(qerr.NewError(qerr.TransportParameterError, fmt.Sprintf("expected initial_source_connection_id to equal %s, is %s", s.handshakeDestConnID, params.InitialSourceConnectionID)))
return
}
// check the original_destination_connection_id
if s.perspective == protocol.PerspectiveClient && !params.OriginalDestinationConnectionID.Equal(s.origDestConnID) {
s.closeLocal(qerr.NewError(qerr.TransportParameterError, fmt.Sprintf("expected original_destination_connection_id to equal %s, is %s", s.origDestConnID, params.OriginalDestinationConnectionID)))
return

24
session_test.go
View file

@ -1679,7 +1679,8 @@ var _ = Describe("Session", func() {
InitialMaxData: 0x5000,
ActiveConnectionIDLimit: 3,
// marshaling always sets it to this value
MaxUDPPayloadSize: protocol.MaxReceivePacketSize,
MaxUDPPayloadSize: protocol.MaxReceivePacketSize,
InitialSourceConnectionID: destConnID,
}
streamManager.EXPECT().UpdateLimits(params)
packer.EXPECT().HandleTransportParameters(params)
@ -1698,7 +1699,10 @@ var _ = Describe("Session", func() {
streamManager.EXPECT().UpdateLimits(gomock.Any())
packer.EXPECT().HandleTransportParameters(gomock.Any())
qlogger.EXPECT().ReceivedTransportParameters(gomock.Any())
sess.processTransportParameters(&wire.TransportParameters{MaxIdleTimeout: t})
sess.processTransportParameters(&wire.TransportParameters{
MaxIdleTimeout: t,
InitialSourceConnectionID: destConnID,
})
}
runSession := func() {
@ -2228,6 +2232,7 @@ var _ = Describe("Client Session", func() {
It("uses the preferred_address connection ID", func() {
params := &wire.TransportParameters{
OriginalDestinationConnectionID: destConnID,
InitialSourceConnectionID: destConnID,
PreferredAddress: &wire.PreferredAddress{
IPv4: net.IPv4(127, 0, 0, 1),
IPv6: net.IP{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
@ -2253,6 +2258,7 @@ var _ = Describe("Client Session", func() {
sess.config.MaxIdleTimeout = 19 * time.Second
params := &wire.TransportParameters{
OriginalDestinationConnectionID: destConnID,
InitialSourceConnectionID: destConnID,
MaxIdleTimeout: 18 * time.Second,
}
packer.EXPECT().HandleTransportParameters(gomock.Any())
@ -2261,10 +2267,24 @@ var _ = Describe("Client Session", func() {
Expect(sess.idleTimeout).To(Equal(18 * time.Second))
})
It("errors if the TransportParameters contain a wrong initial_source_connection_id", func() {
sess.handshakeDestConnID = protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef}
params := &wire.TransportParameters{
OriginalDestinationConnectionID: destConnID,
InitialSourceConnectionID: protocol.ConnectionID{0xde, 0xca, 0xfb, 0xad},
StatelessResetToken: &[16]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
}
expectClose()
qlogger.EXPECT().ReceivedTransportParameters(params)
sess.processTransportParameters(params)
Eventually(errChan).Should(Receive(MatchError("TRANSPORT_PARAMETER_ERROR: expected initial_source_connection_id to equal 0xdeadbeef, is 0xdecafbad")))
})
It("errors if the TransportParameters contain a wrong original_destination_connection_id", func() {
sess.origDestConnID = protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef}
params := &wire.TransportParameters{
OriginalDestinationConnectionID: protocol.ConnectionID{0xde, 0xca, 0xfb, 0xad},
InitialSourceConnectionID: sess.handshakeDestConnID,
StatelessResetToken: &[16]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
}
expectClose()