mirror of
https://github.com/refraction-networking/uquic.git
synced 2025-04-03 20:27:35 +03:00
689 lines
24 KiB
Go
689 lines
24 KiB
Go
package handshake
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/tls"
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"crypto/x509"
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"crypto/x509/pkix"
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"math/big"
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"time"
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mocktls "github.com/quic-go/quic-go/internal/mocks/tls"
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"github.com/quic-go/quic-go/internal/protocol"
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"github.com/quic-go/quic-go/internal/qerr"
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"github.com/quic-go/quic-go/internal/testdata"
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"github.com/quic-go/quic-go/internal/utils"
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"github.com/quic-go/quic-go/internal/wire"
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"github.com/golang/mock/gomock"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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const (
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typeClientHello = 1
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typeNewSessionTicket = 4
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)
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type chunk struct {
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data []byte
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encLevel protocol.EncryptionLevel
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}
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type stream struct {
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encLevel protocol.EncryptionLevel
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chunkChan chan<- chunk
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}
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func newStream(chunkChan chan<- chunk, encLevel protocol.EncryptionLevel) *stream {
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return &stream{
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chunkChan: chunkChan,
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encLevel: encLevel,
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}
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}
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func (s *stream) Write(b []byte) (int, error) {
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data := make([]byte, len(b))
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copy(data, b)
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select {
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case s.chunkChan <- chunk{data: data, encLevel: s.encLevel}:
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default:
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panic("chunkChan too small")
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}
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return len(b), nil
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}
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var _ = Describe("Crypto Setup TLS", func() {
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var clientConf, serverConf *tls.Config
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// unparam incorrectly complains that the first argument is never used.
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//nolint:unparam
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initStreams := func() (chan chunk, *stream /* initial */, *stream /* handshake */) {
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chunkChan := make(chan chunk, 100)
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initialStream := newStream(chunkChan, protocol.EncryptionInitial)
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handshakeStream := newStream(chunkChan, protocol.EncryptionHandshake)
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return chunkChan, initialStream, handshakeStream
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}
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BeforeEach(func() {
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serverConf = testdata.GetTLSConfig()
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serverConf.NextProtos = []string{"crypto-setup"}
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clientConf = &tls.Config{
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ServerName: "localhost",
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RootCAs: testdata.GetRootCA(),
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NextProtos: []string{"crypto-setup"},
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}
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})
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It("handles qtls errors occurring before during ClientHello generation", func() {
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_, sInitialStream, sHandshakeStream := initStreams()
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tlsConf := testdata.GetTLSConfig()
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tlsConf.InsecureSkipVerify = true
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tlsConf.NextProtos = []string{""}
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cl, _ := NewCryptoSetupClient(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{},
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NewMockHandshakeRunner(mockCtrl),
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tlsConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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Expect(cl.StartHandshake()).To(MatchError(&qerr.TransportError{
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ErrorCode: qerr.InternalError,
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ErrorMessage: "tls: invalid NextProtos value",
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}))
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})
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It("errors when a message is received at the wrong encryption level", func() {
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_, sInitialStream, sHandshakeStream := initStreams()
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runner := NewMockHandshakeRunner(mockCtrl)
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var token protocol.StatelessResetToken
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server := NewCryptoSetupServer(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{StatelessResetToken: &token},
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runner,
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testdata.GetTLSConfig(),
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("server"),
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protocol.Version1,
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)
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Expect(server.StartHandshake()).To(Succeed())
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fakeCH := append([]byte{typeClientHello, 0, 0, 6}, []byte("foobar")...)
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// wrong encryption level
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err := server.HandleMessage(fakeCH, protocol.EncryptionHandshake)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("tls: handshake data received at wrong level"))
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})
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Context("doing the handshake", func() {
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generateCert := func() tls.Certificate {
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priv, err := rsa.GenerateKey(rand.Reader, 2048)
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Expect(err).ToNot(HaveOccurred())
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tmpl := &x509.Certificate{
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SerialNumber: big.NewInt(1),
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Subject: pkix.Name{},
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SignatureAlgorithm: x509.SHA256WithRSA,
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NotBefore: time.Now(),
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NotAfter: time.Now().Add(time.Hour), // valid for an hour
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BasicConstraintsValid: true,
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}
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certDER, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, priv.Public(), priv)
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Expect(err).ToNot(HaveOccurred())
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return tls.Certificate{
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PrivateKey: priv,
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Certificate: [][]byte{certDER},
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}
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}
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newRTTStatsWithRTT := func(rtt time.Duration) *utils.RTTStats {
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rttStats := &utils.RTTStats{}
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rttStats.UpdateRTT(rtt, 0, time.Now())
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ExpectWithOffset(1, rttStats.SmoothedRTT()).To(Equal(rtt))
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return rttStats
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}
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handshake := func(client CryptoSetup, cChunkChan <-chan chunk, server CryptoSetup, sChunkChan <-chan chunk) {
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Expect(client.StartHandshake()).To(Succeed())
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Expect(server.StartHandshake()).To(Succeed())
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for {
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select {
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case c := <-cChunkChan:
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Expect(server.HandleMessage(c.data, c.encLevel)).To(Succeed())
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continue
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default:
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}
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select {
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case c := <-sChunkChan:
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Expect(client.HandleMessage(c.data, c.encLevel)).To(Succeed())
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continue
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default:
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}
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// no more messages to send from client and server. Handshake complete?
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break
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}
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ticket, err := server.GetSessionTicket()
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Expect(err).ToNot(HaveOccurred())
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if ticket != nil {
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Expect(client.HandleMessage(ticket, protocol.Encryption1RTT)).To(Succeed())
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}
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}
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handshakeWithTLSConf := func(
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clientConf, serverConf *tls.Config,
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clientRTTStats, serverRTTStats *utils.RTTStats,
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clientTransportParameters, serverTransportParameters *wire.TransportParameters,
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enable0RTT bool,
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) (<-chan *wire.TransportParameters /* clientHelloWrittenChan */, CryptoSetup /* client */, error /* client error */, CryptoSetup /* server */, error /* server error */) {
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var cHandshakeComplete bool
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cChunkChan, cInitialStream, cHandshakeStream := initStreams()
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cErrChan := make(chan error, 1)
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cRunner := NewMockHandshakeRunner(mockCtrl)
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cRunner.EXPECT().OnReceivedParams(gomock.Any())
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cRunner.EXPECT().OnReceivedReadKeys().MinTimes(2).MaxTimes(3) // 3 if using 0-RTT, 2 otherwise
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cRunner.EXPECT().OnHandshakeComplete().Do(func() { cHandshakeComplete = true }).MaxTimes(1)
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cRunner.EXPECT().DropKeys(gomock.Any()).MaxTimes(1)
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client, clientHelloWrittenChan := NewCryptoSetupClient(
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cInitialStream,
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cHandshakeStream,
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nil,
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protocol.ConnectionID{},
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clientTransportParameters,
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cRunner,
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clientConf,
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enable0RTT,
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clientRTTStats,
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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var sHandshakeComplete bool
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sChunkChan, sInitialStream, sHandshakeStream := initStreams()
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sErrChan := make(chan error, 1)
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sRunner := NewMockHandshakeRunner(mockCtrl)
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sRunner.EXPECT().OnReceivedParams(gomock.Any())
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sRunner.EXPECT().OnReceivedReadKeys().MinTimes(2).MaxTimes(3) // 3 if using 0-RTT, 2 otherwise
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sRunner.EXPECT().OnHandshakeComplete().Do(func() { sHandshakeComplete = true }).MaxTimes(1)
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if serverTransportParameters.StatelessResetToken == nil {
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var token protocol.StatelessResetToken
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serverTransportParameters.StatelessResetToken = &token
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}
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server := NewCryptoSetupServer(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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serverTransportParameters,
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sRunner,
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serverConf,
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enable0RTT,
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serverRTTStats,
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nil,
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utils.DefaultLogger.WithPrefix("server"),
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protocol.Version1,
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)
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handshake(client, cChunkChan, server, sChunkChan)
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var cErr, sErr error
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select {
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case sErr = <-sErrChan:
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default:
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Expect(sHandshakeComplete).To(BeTrue())
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}
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select {
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case cErr = <-cErrChan:
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default:
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Expect(cHandshakeComplete).To(BeTrue())
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}
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return clientHelloWrittenChan, client, cErr, server, sErr
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}
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It("handshakes", func() {
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_, _, clientErr, _, serverErr := handshakeWithTLSConf(
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clientConf, serverConf,
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&utils.RTTStats{}, &utils.RTTStats{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
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false,
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)
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Expect(clientErr).ToNot(HaveOccurred())
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Expect(serverErr).ToNot(HaveOccurred())
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})
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It("performs a HelloRetryRequst", func() {
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serverConf.CurvePreferences = []tls.CurveID{tls.CurveP384}
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_, _, clientErr, _, serverErr := handshakeWithTLSConf(
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clientConf, serverConf,
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&utils.RTTStats{}, &utils.RTTStats{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
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false,
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)
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Expect(clientErr).ToNot(HaveOccurred())
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Expect(serverErr).ToNot(HaveOccurred())
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})
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It("handshakes with client auth", func() {
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clientConf.Certificates = []tls.Certificate{generateCert()}
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serverConf.ClientAuth = tls.RequireAnyClientCert
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_, _, clientErr, _, serverErr := handshakeWithTLSConf(
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clientConf, serverConf,
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&utils.RTTStats{}, &utils.RTTStats{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
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false,
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)
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Expect(clientErr).ToNot(HaveOccurred())
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Expect(serverErr).ToNot(HaveOccurred())
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})
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It("signals when it has written the ClientHello", func() {
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runner := NewMockHandshakeRunner(mockCtrl)
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cChunkChan, cInitialStream, cHandshakeStream := initStreams()
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client, chChan := NewCryptoSetupClient(
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cInitialStream,
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cHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{},
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runner,
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&tls.Config{InsecureSkipVerify: true},
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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Expect(client.StartHandshake()).To(Succeed())
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var ch chunk
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Eventually(cChunkChan).Should(Receive(&ch))
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Eventually(chChan).Should(Receive(BeNil()))
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// make sure the whole ClientHello was written
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Expect(len(ch.data)).To(BeNumerically(">=", 4))
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Expect(ch.data[0]).To(BeEquivalentTo(typeClientHello))
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length := int(ch.data[1])<<16 | int(ch.data[2])<<8 | int(ch.data[3])
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Expect(len(ch.data) - 4).To(Equal(length))
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})
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It("receives transport parameters", func() {
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var cTransportParametersRcvd, sTransportParametersRcvd *wire.TransportParameters
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cChunkChan, cInitialStream, cHandshakeStream := initStreams()
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cTransportParameters := &wire.TransportParameters{ActiveConnectionIDLimit: 2, MaxIdleTimeout: 0x42 * time.Second}
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cRunner := NewMockHandshakeRunner(mockCtrl)
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cRunner.EXPECT().OnReceivedReadKeys().Times(2)
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cRunner.EXPECT().OnReceivedParams(gomock.Any()).Do(func(tp *wire.TransportParameters) { sTransportParametersRcvd = tp })
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cRunner.EXPECT().OnHandshakeComplete()
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client, _ := NewCryptoSetupClient(
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cInitialStream,
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cHandshakeStream,
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nil,
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protocol.ConnectionID{},
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cTransportParameters,
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cRunner,
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clientConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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sChunkChan, sInitialStream, sHandshakeStream := initStreams()
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var token protocol.StatelessResetToken
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sRunner := NewMockHandshakeRunner(mockCtrl)
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sRunner.EXPECT().OnReceivedReadKeys().Times(2)
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sRunner.EXPECT().OnReceivedParams(gomock.Any()).Do(func(tp *wire.TransportParameters) { cTransportParametersRcvd = tp })
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sRunner.EXPECT().OnHandshakeComplete()
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sTransportParameters := &wire.TransportParameters{
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MaxIdleTimeout: 0x1337 * time.Second,
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StatelessResetToken: &token,
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ActiveConnectionIDLimit: 2,
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}
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server := NewCryptoSetupServer(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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sTransportParameters,
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sRunner,
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serverConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("server"),
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protocol.Version1,
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)
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done := make(chan struct{})
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go func() {
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defer GinkgoRecover()
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handshake(client, cChunkChan, server, sChunkChan)
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close(done)
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}()
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Eventually(done).Should(BeClosed())
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Expect(cTransportParametersRcvd.MaxIdleTimeout).To(Equal(cTransportParameters.MaxIdleTimeout))
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Expect(sTransportParametersRcvd).ToNot(BeNil())
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Expect(sTransportParametersRcvd.MaxIdleTimeout).To(Equal(sTransportParameters.MaxIdleTimeout))
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})
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Context("with session tickets", func() {
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It("errors when the NewSessionTicket is sent at the wrong encryption level", func() {
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cChunkChan, cInitialStream, cHandshakeStream := initStreams()
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cRunner := NewMockHandshakeRunner(mockCtrl)
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cRunner.EXPECT().OnReceivedParams(gomock.Any())
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cRunner.EXPECT().OnReceivedReadKeys().Times(2)
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cRunner.EXPECT().OnHandshakeComplete()
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client, _ := NewCryptoSetupClient(
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cInitialStream,
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cHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2},
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cRunner,
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clientConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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sChunkChan, sInitialStream, sHandshakeStream := initStreams()
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sRunner := NewMockHandshakeRunner(mockCtrl)
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sRunner.EXPECT().OnReceivedParams(gomock.Any())
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sRunner.EXPECT().OnReceivedReadKeys().Times(2)
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sRunner.EXPECT().OnHandshakeComplete()
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var token protocol.StatelessResetToken
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server := NewCryptoSetupServer(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2, StatelessResetToken: &token},
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sRunner,
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serverConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("server"),
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protocol.Version1,
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)
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done := make(chan struct{})
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go func() {
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defer GinkgoRecover()
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handshake(client, cChunkChan, server, sChunkChan)
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close(done)
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}()
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Eventually(done).Should(BeClosed())
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// inject an invalid session ticket
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b := append([]byte{uint8(typeNewSessionTicket), 0, 0, 6}, []byte("foobar")...)
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err := client.HandleMessage(b, protocol.EncryptionHandshake)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("tls: handshake data received at wrong level"))
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})
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It("errors when handling the NewSessionTicket fails", func() {
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cChunkChan, cInitialStream, cHandshakeStream := initStreams()
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cRunner := NewMockHandshakeRunner(mockCtrl)
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cRunner.EXPECT().OnReceivedParams(gomock.Any())
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cRunner.EXPECT().OnReceivedReadKeys().Times(2)
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cRunner.EXPECT().OnHandshakeComplete()
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client, _ := NewCryptoSetupClient(
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cInitialStream,
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cHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2},
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cRunner,
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clientConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("client"),
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protocol.Version1,
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)
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sChunkChan, sInitialStream, sHandshakeStream := initStreams()
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sRunner := NewMockHandshakeRunner(mockCtrl)
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sRunner.EXPECT().OnReceivedParams(gomock.Any())
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sRunner.EXPECT().OnReceivedReadKeys().Times(2)
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sRunner.EXPECT().OnHandshakeComplete()
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var token protocol.StatelessResetToken
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server := NewCryptoSetupServer(
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sInitialStream,
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sHandshakeStream,
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nil,
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protocol.ConnectionID{},
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&wire.TransportParameters{ActiveConnectionIDLimit: 2, StatelessResetToken: &token},
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sRunner,
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serverConf,
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false,
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&utils.RTTStats{},
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nil,
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utils.DefaultLogger.WithPrefix("server"),
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protocol.Version1,
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)
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done := make(chan struct{})
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go func() {
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defer GinkgoRecover()
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handshake(client, cChunkChan, server, sChunkChan)
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close(done)
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}()
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Eventually(done).Should(BeClosed())
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// inject an invalid session ticket
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b := append([]byte{uint8(typeNewSessionTicket), 0, 0, 6}, []byte("foobar")...)
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err := client.HandleMessage(b, protocol.Encryption1RTT)
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Expect(err).To(BeAssignableToTypeOf(&qerr.TransportError{}))
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Expect(err.(*qerr.TransportError).ErrorCode.IsCryptoError()).To(BeTrue())
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})
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|
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It("uses session resumption", func() {
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csc := mocktls.NewMockClientSessionCache(mockCtrl)
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var state *tls.ClientSessionState
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receivedSessionTicket := make(chan struct{})
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csc.EXPECT().Get(gomock.Any())
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csc.EXPECT().Put(gomock.Any(), gomock.Any()).Do(func(_ string, css *tls.ClientSessionState) {
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state = css
|
|
close(receivedSessionTicket)
|
|
})
|
|
clientConf.ClientSessionCache = csc
|
|
const clientRTT = 30 * time.Millisecond // RTT as measured by the client. Should be restored.
|
|
clientOrigRTTStats := newRTTStatsWithRTT(clientRTT)
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr := handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientOrigRTTStats, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
false,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(client.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(clientHelloWrittenChan).To(Receive(BeNil()))
|
|
|
|
csc.EXPECT().Get(gomock.Any()).Return(state, true)
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).MaxTimes(1)
|
|
clientRTTStats := &utils.RTTStats{}
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr = handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientRTTStats, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
false,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(client.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(clientRTTStats.SmoothedRTT()).To(Equal(clientRTT))
|
|
Expect(clientHelloWrittenChan).To(Receive(BeNil()))
|
|
})
|
|
|
|
It("doesn't use session resumption if the server disabled it", func() {
|
|
csc := mocktls.NewMockClientSessionCache(mockCtrl)
|
|
var state *tls.ClientSessionState
|
|
receivedSessionTicket := make(chan struct{})
|
|
csc.EXPECT().Get(gomock.Any())
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).Do(func(_ string, css *tls.ClientSessionState) {
|
|
state = css
|
|
close(receivedSessionTicket)
|
|
})
|
|
clientConf.ClientSessionCache = csc
|
|
_, client, clientErr, server, serverErr := handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
&utils.RTTStats{}, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
false,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(client.ConnectionState().DidResume).To(BeFalse())
|
|
|
|
serverConf.SessionTicketsDisabled = true
|
|
csc.EXPECT().Get(gomock.Any()).Return(state, true)
|
|
_, client, clientErr, server, serverErr = handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
&utils.RTTStats{}, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2}, &wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
false,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(client.ConnectionState().DidResume).To(BeFalse())
|
|
})
|
|
|
|
It("uses 0-RTT", func() {
|
|
csc := mocktls.NewMockClientSessionCache(mockCtrl)
|
|
var state *tls.ClientSessionState
|
|
receivedSessionTicket := make(chan struct{})
|
|
csc.EXPECT().Get(gomock.Any())
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).Do(func(_ string, css *tls.ClientSessionState) {
|
|
state = css
|
|
close(receivedSessionTicket)
|
|
})
|
|
clientConf.ClientSessionCache = csc
|
|
const serverRTT = 25 * time.Millisecond // RTT as measured by the server. Should be restored.
|
|
const clientRTT = 30 * time.Millisecond // RTT as measured by the client. Should be restored.
|
|
serverOrigRTTStats := newRTTStatsWithRTT(serverRTT)
|
|
clientOrigRTTStats := newRTTStatsWithRTT(clientRTT)
|
|
const initialMaxData protocol.ByteCount = 1337
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr := handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientOrigRTTStats, serverOrigRTTStats,
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2, InitialMaxData: initialMaxData},
|
|
true,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(client.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(clientHelloWrittenChan).To(Receive(BeNil()))
|
|
|
|
csc.EXPECT().Get(gomock.Any()).Return(state, true)
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).MaxTimes(1)
|
|
|
|
clientRTTStats := &utils.RTTStats{}
|
|
serverRTTStats := &utils.RTTStats{}
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr = handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientRTTStats, serverRTTStats,
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2, InitialMaxData: initialMaxData},
|
|
true,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Expect(clientRTTStats.SmoothedRTT()).To(Equal(clientRTT))
|
|
Expect(serverRTTStats.SmoothedRTT()).To(Equal(serverRTT))
|
|
|
|
var tp *wire.TransportParameters
|
|
Expect(clientHelloWrittenChan).To(Receive(&tp))
|
|
Expect(tp.InitialMaxData).To(Equal(initialMaxData))
|
|
|
|
Expect(server.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(client.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(server.ConnectionState().Used0RTT).To(BeTrue())
|
|
Expect(client.ConnectionState().Used0RTT).To(BeTrue())
|
|
})
|
|
|
|
It("rejects 0-RTT, when the transport parameters changed", func() {
|
|
csc := mocktls.NewMockClientSessionCache(mockCtrl)
|
|
var state *tls.ClientSessionState
|
|
receivedSessionTicket := make(chan struct{})
|
|
csc.EXPECT().Get(gomock.Any())
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).Do(func(_ string, css *tls.ClientSessionState) {
|
|
state = css
|
|
close(receivedSessionTicket)
|
|
})
|
|
clientConf.ClientSessionCache = csc
|
|
const clientRTT = 30 * time.Millisecond // RTT as measured by the client. Should be restored.
|
|
clientOrigRTTStats := newRTTStatsWithRTT(clientRTT)
|
|
const initialMaxData protocol.ByteCount = 1337
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr := handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientOrigRTTStats, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2, InitialMaxData: initialMaxData},
|
|
true,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Eventually(receivedSessionTicket).Should(BeClosed())
|
|
Expect(server.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(client.ConnectionState().DidResume).To(BeFalse())
|
|
Expect(clientHelloWrittenChan).To(Receive(BeNil()))
|
|
|
|
csc.EXPECT().Get(gomock.Any()).Return(state, true)
|
|
csc.EXPECT().Put(gomock.Any(), gomock.Any()).MaxTimes(1)
|
|
|
|
clientRTTStats := &utils.RTTStats{}
|
|
clientHelloWrittenChan, client, clientErr, server, serverErr = handshakeWithTLSConf(
|
|
clientConf, serverConf,
|
|
clientRTTStats, &utils.RTTStats{},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2},
|
|
&wire.TransportParameters{ActiveConnectionIDLimit: 2, InitialMaxData: initialMaxData - 1},
|
|
true,
|
|
)
|
|
Expect(clientErr).ToNot(HaveOccurred())
|
|
Expect(serverErr).ToNot(HaveOccurred())
|
|
Expect(clientRTTStats.SmoothedRTT()).To(Equal(clientRTT))
|
|
|
|
var tp *wire.TransportParameters
|
|
Expect(clientHelloWrittenChan).To(Receive(&tp))
|
|
Expect(tp.InitialMaxData).To(Equal(initialMaxData))
|
|
|
|
Expect(server.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(client.ConnectionState().DidResume).To(BeTrue())
|
|
Expect(server.ConnectionState().Used0RTT).To(BeFalse())
|
|
Expect(client.ConnectionState().Used0RTT).To(BeFalse())
|
|
})
|
|
})
|
|
})
|
|
})
|