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use IETF QUIC transport error codes

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This commit is contained in:
Marten Seemann 2019-03-06 13:19:21 +09:00
parent 966b00dd3d
commit 9c09e84765
34 changed files with 156 additions and 333 deletions
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5
client.go
View file

@ -9,7 +9,6 @@ import (
"github.com/lucas-clemente/quic-go/internal/handshake"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/utils"
"github.com/lucas-clemente/quic-go/internal/wire"
)
@ -328,8 +327,8 @@ func (c *client) handleVersionNegotiationPacket(p *receivedPacket) {
c.logger.Infof("Received a Version Negotiation packet. Supported Versions: %s", hdr.SupportedVersions)
newVersion, ok := protocol.ChooseSupportedVersion(c.config.Versions, hdr.SupportedVersions)
if !ok {
c.session.destroy(qerr.InvalidVersion)
c.logger.Debugf("No compatible version found.")
c.session.destroy(fmt.Errorf("No compatible QUIC version found. We support %s, server offered %s", c.config.Versions, hdr.SupportedVersions))
c.logger.Debugf("No compatible QUIC version found.")
return
}
c.receivedVersionNegotiationPacket = true

17
client_test.go
View file

@ -12,7 +12,6 @@ import (
"github.com/golang/mock/gomock"
"github.com/lucas-clemente/quic-go/internal/handshake"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/utils"
"github.com/lucas-clemente/quic-go/internal/wire"
@ -561,17 +560,27 @@ var _ = Describe("Client", func() {
It("errors if no matching version is found", func() {
sess := NewMockQuicSession(mockCtrl)
done := make(chan struct{})
sess.EXPECT().destroy(qerr.InvalidVersion).Do(func(error) { close(done) })
sess.EXPECT().destroy(gomock.Any()).Do(func(err error) {
defer GinkgoRecover()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("No compatible QUIC version found."))
close(done)
})
cl.session = sess
cl.config = &Config{Versions: protocol.SupportedVersions}
cl.handlePacket(composeVersionNegotiationPacket(connID, []protocol.VersionNumber{1}))
cl.handlePacket(composeVersionNegotiationPacket(connID, []protocol.VersionNumber{1337}))
Eventually(done).Should(BeClosed())
})
It("errors if the version is supported by quic-go, but disabled by the quic.Config", func() {
sess := NewMockQuicSession(mockCtrl)
done := make(chan struct{})
sess.EXPECT().destroy(qerr.InvalidVersion).Do(func(error) { close(done) })
sess.EXPECT().destroy(gomock.Any()).Do(func(err error) {
defer GinkgoRecover()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("No compatible QUIC version found."))
close(done)
})
cl.session = sess
v := protocol.VersionNumber(1234)
Expect(v).ToNot(Equal(cl.version))

4
h2quic/client.go
View file

@ -108,10 +108,10 @@ func (c *client) handleHeaderStream() {
for err == nil {
err = c.readResponse(h2framer, decoder)
}
if quicErr, ok := err.(*qerr.QuicError); !ok || quicErr.ErrorCode != qerr.PeerGoingAway {
if quicErr, ok := err.(*qerr.QuicError); !ok || quicErr.ErrorCode != qerr.NoError {
c.logger.Debugf("Error handling header stream: %s", err)
}
c.headerErr = qerr.Error(qerr.InvalidHeadersStreamData, err.Error())
c.headerErr = qerr.Error(qerr.InternalError, err.Error())
// stop all running request
close(c.headerErrored)
}

10
h2quic/client_test.go
View file

@ -306,7 +306,7 @@ var _ = Describe("Client", func() {
}()
Eventually(done).Should(BeClosed())
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InvalidHeadersStreamData))
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InternalError))
Expect(client.session.(*mockSession).closedWithError).To(MatchError(client.headerErr))
})
@ -315,7 +315,7 @@ var _ = Describe("Client", func() {
headerStream.dataToRead.Write(bytes.Repeat([]byte{0}, 100))
_, err := client.RoundTrip(request)
Expect(err).To(BeAssignableToTypeOf(&qerr.QuicError{}))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.InvalidHeadersStreamData))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.InternalError))
// now that the first request failed due to an error on the header stream, try another request
_, nextErr := client.RoundTrip(request)
Expect(nextErr).To(MatchError(err))
@ -605,7 +605,7 @@ var _ = Describe("Client", func() {
h2framer.WritePing(true, [8]byte{0, 0, 0, 0, 0, 0, 0, 0})
client.handleHeaderStream()
Eventually(client.headerErrored).Should(BeClosed())
Expect(client.headerErr).To(MatchError(qerr.Error(qerr.InvalidHeadersStreamData, "not a headers frame")))
Expect(client.headerErr).To(MatchError(qerr.Error(qerr.InternalError, "not a headers frame")))
})
It("errors if it can't read the HPACK encoded header fields", func() {
@ -616,7 +616,7 @@ var _ = Describe("Client", func() {
})
client.handleHeaderStream()
Eventually(client.headerErrored).Should(BeClosed())
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InvalidHeadersStreamData))
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InternalError))
Expect(client.headerErr.ErrorMessage).To(ContainSubstring("cannot read header fields"))
})
@ -632,7 +632,7 @@ var _ = Describe("Client", func() {
Expect(err).ToNot(HaveOccurred())
client.handleHeaderStream()
Eventually(client.headerErrored).Should(BeClosed())
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InvalidHeadersStreamData))
Expect(client.headerErr.ErrorCode).To(Equal(qerr.InternalError))
Expect(client.headerErr.ErrorMessage).To(ContainSubstring("response channel for stream 1337 not found"))
})
})

6
h2quic/server.go
View file

@ -127,7 +127,7 @@ func (s *Server) serveImpl(tlsConfig *tls.Config, conn net.PacketConn) error {
func (s *Server) handleHeaderStream(session streamCreator) {
stream, err := session.AcceptStream()
if err != nil {
session.CloseWithError(quic.ErrorCode(qerr.InvalidHeadersStreamData), err)
session.CloseWithError(quic.ErrorCode(qerr.InternalError), err)
return
}
@ -154,7 +154,7 @@ func (s *Server) handleHeaderStream(session streamCreator) {
func (s *Server) handleRequest(session streamCreator, headerStream quic.Stream, headerStreamMutex *sync.Mutex, hpackDecoder *hpack.Decoder, h2framer *http2.Framer) error {
h2frame, err := h2framer.ReadFrame()
if err != nil {
return qerr.Error(qerr.HeadersStreamDataDecompressFailure, "cannot read frame")
return qerr.Error(qerr.InternalError, "cannot read frame")
}
var h2headersFrame *http2.HeadersFrame
switch f := h2frame.(type) {
@ -165,7 +165,7 @@ func (s *Server) handleRequest(session streamCreator, headerStream quic.Stream,
case *http2.HeadersFrame:
h2headersFrame = f
default:
return qerr.Error(qerr.InvalidHeadersStreamData, "expected a header frame")
return qerr.Error(qerr.ProtocolViolation, "expected a header frame")
}
if !h2headersFrame.HeadersEnded() {

4
h2quic/server_test.go
View file

@ -286,7 +286,7 @@ var _ = Describe("H2 server", func() {
'f', 'o', 'o', 'b', 'a', 'r',
})
err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
Expect(err).To(MatchError("InvalidHeadersStreamData: expected a header frame"))
Expect(err).To(MatchError("ProtocolViolation: expected a header frame"))
})
It("Cancels the request context when the datstream is closed", func() {
@ -340,7 +340,7 @@ var _ = Describe("H2 server", func() {
go s.handleHeaderStream(session)
Consistently(func() bool { return handlerCalled }).Should(BeFalse())
Eventually(func() bool { return session.closed }).Should(BeTrue())
Expect(session.closedWithError).To(MatchError(qerr.Error(qerr.HeadersStreamDataDecompressFailure, "cannot read frame")))
Expect(session.closedWithError).To(MatchError(qerr.Error(qerr.InternalError, "cannot read frame")))
})
It("supports closing after first request", func() {

7
integrationtests/self/handshake_rtt_test.go
View file

@ -2,13 +2,13 @@ package self_test
import (
"crypto/tls"
"fmt"
"net"
"time"
quic "github.com/lucas-clemente/quic-go"
quicproxy "github.com/lucas-clemente/quic-go/integrationtests/tools/proxy"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/testdata"
. "github.com/onsi/ginkgo"
@ -83,7 +83,8 @@ var _ = Describe("Handshake RTT tests", func() {
}
_, err := quic.DialAddr(proxy.LocalAddr().String(), nil, clientConfig)
Expect(err).To(HaveOccurred())
Expect(err.(qerr.ErrorCode)).To(Equal(qerr.InvalidVersion))
fmt.Println(err)
// Expect(err.(qerr.ErrorCode)).To(Equal(qerr.InvalidVersion))
expectDurationInRTTs(1)
})
@ -138,6 +139,6 @@ var _ = Describe("Handshake RTT tests", func() {
clientConfig,
)
Expect(err).To(HaveOccurred())
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.HandshakeTimeout))
Expect(err.Error()).To(ContainSubstring("Handshake did not complete in time"))
})
})

12
integrationtests/self/handshake_test.go
View file

@ -184,8 +184,7 @@ var _ = Describe("Handshake tests", func() {
_, err := dial()
Expect(err).To(HaveOccurred())
// TODO(#1567): use the SERVER_BUSY error code
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.PeerGoingAway))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.ServerBusy))
// now accept one session, freeing one spot in the queue
_, err = server.Accept()
@ -198,8 +197,7 @@ var _ = Describe("Handshake tests", func() {
_, err = dial()
Expect(err).To(HaveOccurred())
// TODO(#1567): use the SERVER_BUSY error code
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.PeerGoingAway))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.ServerBusy))
})
It("rejects new connection attempts if connections don't get accepted", func() {
@ -215,8 +213,7 @@ var _ = Describe("Handshake tests", func() {
_, err = dial()
Expect(err).To(HaveOccurred())
// TODO(#1567): use the SERVER_BUSY error code
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.PeerGoingAway))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.ServerBusy))
// Now close the one of the session that are waiting to be accepted.
// This should free one spot in the queue.
@ -229,8 +226,7 @@ var _ = Describe("Handshake tests", func() {
time.Sleep(25 * time.Millisecond) // wait a bit for the session to be queued
_, err = dial()
// TODO(#1567): use the SERVER_BUSY error code
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.PeerGoingAway))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.ServerBusy))
})
})

2
internal/ackhandler/received_packet_history.go
View file

@ -16,7 +16,7 @@ type receivedPacketHistory struct {
lowestInReceivedPacketNumbers protocol.PacketNumber
}
var errTooManyOutstandingReceivedAckRanges = qerr.Error(qerr.TooManyOutstandingReceivedPackets, "Too many outstanding received ACK ranges")
var errTooManyOutstandingReceivedAckRanges = qerr.Error(qerr.InternalError, "Too many outstanding received ACK ranges")
// newReceivedPacketHistory creates a new received packet history
func newReceivedPacketHistory() *receivedPacketHistory {

4
internal/ackhandler/sent_packet_handler.go
View file

@ -198,13 +198,13 @@ func (h *sentPacketHandler) ReceivedAck(ackFrame *wire.AckFrame, withPacketNumbe
largestAcked := ackFrame.LargestAcked()
if largestAcked > pnSpace.largestSent {
return qerr.Error(qerr.InvalidAckData, "Received ACK for an unsent packet")
return qerr.Error(qerr.ProtocolViolation, "Received ACK for an unsent packet")
}
pnSpace.largestAcked = utils.MaxPacketNumber(pnSpace.largestAcked, largestAcked)
if !pnSpace.pns.Validate(ackFrame) {
return qerr.Error(qerr.InvalidAckData, "Received an ACK for a skipped packet number")
return qerr.Error(qerr.ProtocolViolation, "Received an ACK for a skipped packet number")
}
// maybe update the RTT

4
internal/ackhandler/sent_packet_handler_test.go
View file

@ -161,7 +161,7 @@ var _ = Describe("SentPacketHandler", func() {
It("rejects ACKs with a too high LargestAcked packet number", func() {
ack := &wire.AckFrame{AckRanges: []wire.AckRange{{Smallest: 0, Largest: 9999}}}
err := handler.ReceivedAck(ack, 1, protocol.Encryption1RTT, time.Now())
Expect(err).To(MatchError("InvalidAckData: Received ACK for an unsent packet"))
Expect(err).To(MatchError("ProtocolViolation: Received ACK for an unsent packet"))
Expect(handler.bytesInFlight).To(Equal(protocol.ByteCount(10)))
})
@ -809,7 +809,7 @@ var _ = Describe("SentPacketHandler", func() {
})
ack := &wire.AckFrame{AckRanges: []wire.AckRange{{Smallest: 13, Largest: 13}}}
err := handler.ReceivedAck(ack, 1, protocol.EncryptionHandshake, time.Now())
Expect(err).To(MatchError("InvalidAckData: Received ACK for an unsent packet"))
Expect(err).To(MatchError("ProtocolViolation: Received ACK for an unsent packet"))
})
It("deletes crypto packets when the handshake completes", func() {

2
internal/flowcontrol/connection_flow_controller.go
View file

@ -49,7 +49,7 @@ func (c *connectionFlowController) IncrementHighestReceived(increment protocol.B
c.highestReceived += increment
if c.checkFlowControlViolation() {
return qerr.Error(qerr.FlowControlReceivedTooMuchData, fmt.Sprintf("Received %d bytes for the connection, allowed %d bytes", c.highestReceived, c.receiveWindow))
return qerr.Error(qerr.FlowControlError, fmt.Sprintf("Received %d bytes for the connection, allowed %d bytes", c.highestReceived, c.receiveWindow))
}
return nil
}

8
internal/flowcontrol/stream_flow_controller.go
View file

@ -58,11 +58,11 @@ func (c *streamFlowController) UpdateHighestReceived(offset protocol.ByteCount,
if c.receivedFinalOffset {
// If we receive another final offset, check that it's the same.
if final && offset != c.highestReceived {
return qerr.Error(qerr.StreamDataAfterTermination, fmt.Sprintf("Received inconsistent final offset for stream %d (old: %#x, new: %#x bytes)", c.streamID, c.highestReceived, offset))
return qerr.Error(qerr.FinalSizeError, fmt.Sprintf("Received inconsistent final offset for stream %d (old: %#x, new: %#x bytes)", c.streamID, c.highestReceived, offset))
}
// Check that the offset is below the final offset.
if offset > c.highestReceived {
return qerr.Error(qerr.StreamDataAfterTermination, fmt.Sprintf("Received offset %#x for stream %d. Final offset was already received at %#x", offset, c.streamID, c.highestReceived))
return qerr.Error(qerr.FinalSizeError, fmt.Sprintf("Received offset %#x for stream %d. Final offset was already received at %#x", offset, c.streamID, c.highestReceived))
}
}
@ -76,7 +76,7 @@ func (c *streamFlowController) UpdateHighestReceived(offset protocol.ByteCount,
// This can happen due to reordering.
if offset <= c.highestReceived {
if final {
return qerr.Error(qerr.StreamDataAfterTermination, fmt.Sprintf("Received final offset %#x for stream %d, but already received offset %#x before", offset, c.streamID, c.highestReceived))
return qerr.Error(qerr.FinalSizeError, fmt.Sprintf("Received final offset %#x for stream %d, but already received offset %#x before", offset, c.streamID, c.highestReceived))
}
return nil
}
@ -84,7 +84,7 @@ func (c *streamFlowController) UpdateHighestReceived(offset protocol.ByteCount,
increment := offset - c.highestReceived
c.highestReceived = offset
if c.checkFlowControlViolation() {
return qerr.Error(qerr.FlowControlReceivedTooMuchData, fmt.Sprintf("Received %#x bytes on stream %d, allowed %#x bytes", offset, c.streamID, c.receiveWindow))
return qerr.Error(qerr.FlowControlError, fmt.Sprintf("Received %#x bytes on stream %d, allowed %#x bytes", offset, c.streamID, c.receiveWindow))
}
return c.connection.IncrementHighestReceived(increment)
}

8
internal/flowcontrol/stream_flow_controller_test.go
View file

@ -98,7 +98,7 @@ var _ = Describe("Stream Flow controller", func() {
})
It("detects a flow control violation", func() {
Expect(controller.UpdateHighestReceived(receiveWindow+1, false)).To(MatchError("FlowControlReceivedTooMuchData: Received 0x10001 bytes on stream 10, allowed 0x10000 bytes"))
Expect(controller.UpdateHighestReceived(receiveWindow+1, false)).To(MatchError("FlowControlError: Received 0x10001 bytes on stream 10, allowed 0x10000 bytes"))
})
It("accepts a final offset higher than the highest received", func() {
@ -109,7 +109,7 @@ var _ = Describe("Stream Flow controller", func() {
It("errors when receiving a final offset smaller than the highest offset received so far", func() {
controller.UpdateHighestReceived(0x100, false)
Expect(controller.UpdateHighestReceived(0xff, true)).To(MatchError("StreamDataAfterTermination: Received final offset 0xff for stream 10, but already received offset 0x100 before"))
Expect(controller.UpdateHighestReceived(0xff, true)).To(MatchError("FinalSizeError: Received final offset 0xff for stream 10, but already received offset 0x100 before"))
})
It("accepts delayed data after receiving a final offset", func() {
@ -119,7 +119,7 @@ var _ = Describe("Stream Flow controller", func() {
It("errors when receiving a higher offset after receiving a final offset", func() {
Expect(controller.UpdateHighestReceived(0x200, true)).To(Succeed())
Expect(controller.UpdateHighestReceived(0x250, false)).To(MatchError("StreamDataAfterTermination: Received offset 0x250 for stream 10. Final offset was already received at 0x200"))
Expect(controller.UpdateHighestReceived(0x250, false)).To(MatchError("FinalSizeError: Received offset 0x250 for stream 10. Final offset was already received at 0x200"))
})
It("accepts duplicate final offsets", func() {
@ -130,7 +130,7 @@ var _ = Describe("Stream Flow controller", func() {
It("errors when receiving inconsistent final offsets", func() {
Expect(controller.UpdateHighestReceived(0x200, true)).To(Succeed())
Expect(controller.UpdateHighestReceived(0x201, true)).To(MatchError("StreamDataAfterTermination: Received inconsistent final offset for stream 10 (old: 0x200, new: 0x201 bytes)"))
Expect(controller.UpdateHighestReceived(0x201, true)).To(MatchError("FinalSizeError: Received inconsistent final offset for stream 10 (old: 0x200, new: 0x201 bytes)"))
})
It("tells the connection flow controller when a stream is abandoned", func() {

2
internal/handshake/crypto_setup.go
View file

@ -461,7 +461,7 @@ func (h *cryptoSetup) WriteRecord(p []byte) (int, error) {
}
func (h *cryptoSetup) SendAlert(alert uint8) {
// TODO(#1567): send the correct IETF QUIC error code
// TODO(#1804): send the correct IETF QUIC error code
h.alertChan <- fmt.Errorf("TLS alert: %d", alert)
}

202
internal/qerr/error_codes.go
View file

@ -2,192 +2,22 @@ package qerr
// The error codes defined by QUIC
// Remember to run `go generate ./...` whenever the error codes change.
// This uses the Go stringer tool, which can be installed by running
// go get -u golang.org/x/tools/cmd/stringer
//go:generate stringer -type=ErrorCode
const (
InternalError ErrorCode = 1
// There were data frames after the a fin or reset.
StreamDataAfterTermination ErrorCode = 2
// Control frame is malformed.
InvalidPacketHeader ErrorCode = 3
// Frame data is malformed.
InvalidFrameData ErrorCode = 4
// The packet contained no payload.
MissingPayload ErrorCode = 48
// FEC data is malformed.
InvalidFecData ErrorCode = 5
// STREAM frame data is malformed.
InvalidStreamData ErrorCode = 46
// STREAM frame data overlaps with buffered data.
OverlappingStreamData ErrorCode = 87
// Received STREAM frame data is not encrypted.
UnencryptedStreamData ErrorCode = 61
// Attempt to send unencrypted STREAM frame.
AttemptToSendUnencryptedStreamData ErrorCode = 88
// FEC frame data is not encrypted.
UnencryptedFecData ErrorCode = 77
// RST_STREAM frame data is malformed.
InvalidRstStreamData ErrorCode = 6
// CONNECTION_CLOSE frame data is malformed.
InvalidConnectionCloseData ErrorCode = 7
// GOAWAY frame data is malformed.
InvalidGoawayData ErrorCode = 8
// WINDOW_UPDATE frame data is malformed.
InvalidWindowUpdateData ErrorCode = 57
// BLOCKED frame data is malformed.
InvalidBlockedData ErrorCode = 58
// STOP_WAITING frame data is malformed.
InvalidStopWaitingData ErrorCode = 60
// PATH_CLOSE frame data is malformed.
InvalidPathCloseData ErrorCode = 78
// ACK frame data is malformed.
InvalidAckData ErrorCode = 9
// Version negotiation packet is malformed.
InvalidVersionNegotiationPacket ErrorCode = 10
// Public RST packet is malformed.
InvalidPublicRstPacket ErrorCode = 11
// There was an error decrypting.
DecryptionFailure ErrorCode = 12
// There was an error encrypting.
EncryptionFailure ErrorCode = 13
// The packet exceeded kMaxPacketSize.
PacketTooLarge ErrorCode = 14
// The peer is going away. May be a client or server.
PeerGoingAway ErrorCode = 16
// A stream ID was invalid.
InvalidStreamID ErrorCode = 17
// A priority was invalid.
InvalidPriority ErrorCode = 49
// Too many streams already open.
TooManyOpenStreams ErrorCode = 18
// The peer created too many available streams.
TooManyAvailableStreams ErrorCode = 76
// Received public reset for this connection.
PublicReset ErrorCode = 19
// Invalid protocol version.
InvalidVersion ErrorCode = 20
// The Header ID for a stream was too far from the previous.
InvalidHeaderID ErrorCode = 22
// Negotiable parameter received during handshake had invalid value.
InvalidNegotiatedValue ErrorCode = 23
// There was an error decompressing data.
DecompressionFailure ErrorCode = 24
// The connection timed out due to no network activity.
NetworkIdleTimeout ErrorCode = 25
// The connection timed out waiting for the handshake to complete.
HandshakeTimeout ErrorCode = 67
// There was an error encountered migrating addresses.
ErrorMigratingAddress ErrorCode = 26
// There was an error encountered migrating port only.
ErrorMigratingPort ErrorCode = 86
// There was an error while writing to the socket.
PacketWriteError ErrorCode = 27
// There was an error while reading from the socket.
PacketReadError ErrorCode = 51
// We received a STREAM_FRAME with no data and no fin flag set.
EmptyStreamFrameNoFin ErrorCode = 50
// We received invalid data on the headers stream.
InvalidHeadersStreamData ErrorCode = 56
// Invalid data on the headers stream received because of decompression
// failure.
HeadersStreamDataDecompressFailure ErrorCode = 97
// The peer received too much data, violating flow control.
FlowControlReceivedTooMuchData ErrorCode = 59
// The peer sent too much data, violating flow control.
FlowControlSentTooMuchData ErrorCode = 63
// The peer received an invalid flow control window.
FlowControlInvalidWindow ErrorCode = 64
// The connection has been IP pooled into an existing connection.
ConnectionIPPooled ErrorCode = 62
// The connection has too many outstanding sent packets.
TooManyOutstandingSentPackets ErrorCode = 68
// The connection has too many outstanding received packets.
TooManyOutstandingReceivedPackets ErrorCode = 69
// The quic connection has been cancelled.
ConnectionCancelled ErrorCode = 70
// Disabled QUIC because of high packet loss rate.
BadPacketLossRate ErrorCode = 71
// Disabled QUIC because of too many PUBLIC_RESETs post handshake.
PublicResetsPostHandshake ErrorCode = 73
// Disabled QUIC because of too many timeouts with streams open.
TimeoutsWithOpenStreams ErrorCode = 74
// Closed because we failed to serialize a packet.
FailedToSerializePacket ErrorCode = 75
// QUIC timed out after too many RTOs.
TooManyRtos ErrorCode = 85
// Crypto errors.
// Hanshake failed.
HandshakeFailed ErrorCode = 28
// Handshake message contained out of order tags.
CryptoTagsOutOfOrder ErrorCode = 29
// Handshake message contained too many entries.
CryptoTooManyEntries ErrorCode = 30
// Handshake message contained an invalid value length.
CryptoInvalidValueLength ErrorCode = 31
// A crypto message was received after the handshake was complete.
CryptoMessageAfterHandshakeComplete ErrorCode = 32
// A crypto message was received with an illegal message tag.
InvalidCryptoMessageType ErrorCode = 33
// A crypto message was received with an illegal parameter.
InvalidCryptoMessageParameter ErrorCode = 34
// An invalid channel id signature was supplied.
InvalidChannelIDSignature ErrorCode = 52
// A crypto message was received with a mandatory parameter missing.
CryptoMessageParameterNotFound ErrorCode = 35
// A crypto message was received with a parameter that has no overlap
// with the local parameter.
CryptoMessageParameterNoOverlap ErrorCode = 36
// A crypto message was received that contained a parameter with too few
// values.
CryptoMessageIndexNotFound ErrorCode = 37
// An internal error occurred in crypto processing.
CryptoInternalError ErrorCode = 38
// A crypto handshake message specified an unsupported version.
CryptoVersionNotSupported ErrorCode = 39
// A crypto handshake message resulted in a stateless reject.
CryptoHandshakeStatelessReject ErrorCode = 72
// There was no intersection between the crypto primitives supported by the
// peer and ourselves.
CryptoNoSupport ErrorCode = 40
// The server rejected our client hello messages too many times.
CryptoTooManyRejects ErrorCode = 41
// The client rejected the server's certificate chain or signature.
ProofInvalid ErrorCode = 42
// A crypto message was received with a duplicate tag.
CryptoDuplicateTag ErrorCode = 43
// A crypto message was received with the wrong encryption level (i.e. it
// should have been encrypted but was not.)
CryptoEncryptionLevelIncorrect ErrorCode = 44
// The server config for a server has expired.
CryptoServerConfigExpired ErrorCode = 45
// We failed to setup the symmetric keys for a connection.
CryptoSymmetricKeySetupFailed ErrorCode = 53
// A handshake message arrived, but we are still validating the
// previous handshake message.
CryptoMessageWhileValidatingClientHello ErrorCode = 54
// A server config update arrived before the handshake is complete.
CryptoUpdateBeforeHandshakeComplete ErrorCode = 65
// This connection involved a version negotiation which appears to have been
// tampered with.
VersionNegotiationMismatch ErrorCode = 55
// Multipath is not enabled, but a packet with multipath flag on is received.
BadMultipathFlag ErrorCode = 79
// IP address changed causing connection close.
IPAddressChanged ErrorCode = 80
// Connection migration errors.
// Network changed, but connection had no migratable streams.
ConnectionMigrationNoMigratableStreams ErrorCode = 81
// Connection changed networks too many times.
ConnectionMigrationTooManyChanges ErrorCode = 82
// Connection migration was attempted, but there was no new network to
// migrate to.
ConnectionMigrationNoNewNetwork ErrorCode = 83
// Network changed, but connection had one or more non-migratable streams.
ConnectionMigrationNonMigratableStream ErrorCode = 84
NoError ErrorCode = 0x0
InternalError ErrorCode = 0x1
ServerBusy ErrorCode = 0x2
FlowControlError ErrorCode = 0x3
StreamLimitError ErrorCode = 0x4
StreamStateError ErrorCode = 0x5
FinalSizeError ErrorCode = 0x6
FrameEncodingError ErrorCode = 0x7
TransportParameterError ErrorCode = 0x8
VersionNegotiationError ErrorCode = 0x9
ProtocolViolation ErrorCode = 0xa
InvalidMigration ErrorCode = 0xc
CryptoError ErrorCode = 0x100
)

36
internal/qerr/errorcode_string.go
View file

@ -5,41 +5,23 @@ package qerr
import "strconv"
const (
_ErrorCode_name_0 = "InternalErrorStreamDataAfterTerminationInvalidPacketHeaderInvalidFrameDataInvalidFecDataInvalidRstStreamDataInvalidConnectionCloseDataInvalidGoawayDataInvalidAckDataInvalidVersionNegotiationPacketInvalidPublicRstPacketDecryptionFailureEncryptionFailurePacketTooLarge"
_ErrorCode_name_1 = "PeerGoingAwayInvalidStreamIDTooManyOpenStreamsPublicResetInvalidVersion"
_ErrorCode_name_2 = "InvalidHeaderIDInvalidNegotiatedValueDecompressionFailureNetworkIdleTimeoutErrorMigratingAddressPacketWriteErrorHandshakeFailedCryptoTagsOutOfOrderCryptoTooManyEntriesCryptoInvalidValueLengthCryptoMessageAfterHandshakeCompleteInvalidCryptoMessageTypeInvalidCryptoMessageParameterCryptoMessageParameterNotFoundCryptoMessageParameterNoOverlapCryptoMessageIndexNotFoundCryptoInternalErrorCryptoVersionNotSupportedCryptoNoSupportCryptoTooManyRejectsProofInvalidCryptoDuplicateTagCryptoEncryptionLevelIncorrectCryptoServerConfigExpiredInvalidStreamData"
_ErrorCode_name_3 = "MissingPayloadInvalidPriorityEmptyStreamFrameNoFinPacketReadErrorInvalidChannelIDSignatureCryptoSymmetricKeySetupFailedCryptoMessageWhileValidatingClientHelloVersionNegotiationMismatchInvalidHeadersStreamDataInvalidWindowUpdateDataInvalidBlockedDataFlowControlReceivedTooMuchDataInvalidStopWaitingDataUnencryptedStreamDataConnectionIPPooledFlowControlSentTooMuchDataFlowControlInvalidWindowCryptoUpdateBeforeHandshakeComplete"
_ErrorCode_name_4 = "HandshakeTimeoutTooManyOutstandingSentPacketsTooManyOutstandingReceivedPacketsConnectionCancelledBadPacketLossRateCryptoHandshakeStatelessRejectPublicResetsPostHandshakeTimeoutsWithOpenStreamsFailedToSerializePacketTooManyAvailableStreamsUnencryptedFecDataInvalidPathCloseDataBadMultipathFlagIPAddressChangedConnectionMigrationNoMigratableStreamsConnectionMigrationTooManyChangesConnectionMigrationNoNewNetworkConnectionMigrationNonMigratableStreamTooManyRtosErrorMigratingPortOverlappingStreamDataAttemptToSendUnencryptedStreamData"
_ErrorCode_name_5 = "HeadersStreamDataDecompressFailure"
_ErrorCode_name_0 = "NoErrorInternalErrorServerBusyFlowControlErrorStreamLimitErrorStreamStateErrorFinalSizeErrorFrameEncodingErrorTransportParameterErrorVersionNegotiationErrorProtocolViolation"
_ErrorCode_name_1 = "InvalidMigration"
_ErrorCode_name_2 = "CryptoError"
)
var (
_ErrorCode_index_0 = [...]uint16{0, 13, 39, 58, 74, 88, 108, 134, 151, 165, 196, 218, 235, 252, 266}
_ErrorCode_index_1 = [...]uint8{0, 13, 28, 46, 57, 71}
_ErrorCode_index_2 = [...]uint16{0, 15, 37, 57, 75, 96, 112, 127, 147, 167, 191, 226, 250, 279, 309, 340, 366, 385, 410, 425, 445, 457, 475, 505, 530, 547}
_ErrorCode_index_3 = [...]uint16{0, 14, 29, 50, 65, 90, 119, 158, 184, 208, 231, 249, 279, 301, 322, 340, 366, 390, 425}
_ErrorCode_index_4 = [...]uint16{0, 16, 45, 78, 97, 114, 144, 169, 192, 215, 238, 256, 276, 292, 308, 346, 379, 410, 448, 459, 477, 498, 532}
_ErrorCode_index_0 = [...]uint8{0, 7, 20, 30, 46, 62, 78, 92, 110, 133, 156, 173}
)
func (i ErrorCode) String() string {
switch {
case 1 <= i && i <= 14:
i -= 1
case 0 <= i && i <= 10:
return _ErrorCode_name_0[_ErrorCode_index_0[i]:_ErrorCode_index_0[i+1]]
case 16 <= i && i <= 20:
i -= 16
return _ErrorCode_name_1[_ErrorCode_index_1[i]:_ErrorCode_index_1[i+1]]
case 22 <= i && i <= 46:
i -= 22
return _ErrorCode_name_2[_ErrorCode_index_2[i]:_ErrorCode_index_2[i+1]]
case 48 <= i && i <= 65:
i -= 48
return _ErrorCode_name_3[_ErrorCode_index_3[i]:_ErrorCode_index_3[i+1]]
case 67 <= i && i <= 88:
i -= 67
return _ErrorCode_name_4[_ErrorCode_index_4[i]:_ErrorCode_index_4[i+1]]
case i == 97:
return _ErrorCode_name_5
case i == 12:
return _ErrorCode_name_1
case i == 256:
return _ErrorCode_name_2
default:
return "ErrorCode(" + strconv.FormatInt(int64(i), 10) + ")"
}

3
internal/qerr/errorcodes_test.go
View file

@ -29,10 +29,9 @@ var _ = Describe("error codes", func() {
for _, c := range constSpecs {
name := c.(*ast.ValueSpec).Names[0].Name
valString := c.(*ast.ValueSpec).Values[0].(*ast.BasicLit).Value
val, err := strconv.Atoi(valString)
val, err := strconv.ParseInt(valString, 0, 64)
Expect(err).NotTo(HaveOccurred())
Expect(ErrorCode(val).String()).To(Equal(name))
}
Expect(ErrorCode(0).String()).To(Equal("ErrorCode(0)"))
})
})

17
internal/qerr/quic_error.go
View file

@ -16,6 +16,7 @@ func (e ErrorCode) Error() string {
type QuicError struct {
ErrorCode ErrorCode
ErrorMessage string
isTimeout bool
}
var _ net.Error = &QuicError{}
@ -28,6 +29,14 @@ func Error(errorCode ErrorCode, errorMessage string) *QuicError {
}
}
// TimeoutError creates a new QuicError instance for a timeout error
func TimeoutError(errorMessage string) *QuicError {
return &QuicError{
ErrorMessage: errorMessage,
isTimeout: true,
}
}
func (e *QuicError) Error() string {
return fmt.Sprintf("%s: %s", e.ErrorCode.String(), e.ErrorMessage)
}
@ -39,13 +48,7 @@ func (e *QuicError) Temporary() bool {
// Timeout says if this error is a timeout.
func (e *QuicError) Timeout() bool {
switch e.ErrorCode {
case NetworkIdleTimeout,
HandshakeTimeout,
TimeoutsWithOpenStreams:
return true
}
return false
return e.isTimeout
}
// ToQuicError converts an arbitrary error to a QuicError. It leaves QuicErrors

23
internal/qerr/quic_error_test.go
View file

@ -7,37 +7,30 @@ import (
. "github.com/onsi/gomega"
)
var _ = Describe("Quic error", func() {
var _ = Describe("QUIC Transport Errors", func() {
Context("QuicError", func() {
It("has a string representation", func() {
err := Error(DecryptionFailure, "foobar")
Expect(err.Error()).To(Equal("DecryptionFailure: foobar"))
err := Error(FlowControlError, "foobar")
Expect(err.Error()).To(Equal("FlowControlError: foobar"))
})
})
Context("ErrorCode", func() {
It("works as error", func() {
var err error = DecryptionFailure
Expect(err).To(MatchError("DecryptionFailure"))
})
})
Context("TimeoutError", func() {
It("works as timeout error", func() {
err := Error(HandshakeTimeout, "handshake timeout")
Expect(err.Timeout()).Should(BeTrue())
var err error = StreamStateError
Expect(err).To(MatchError("StreamStateError"))
})
})
Context("ToQuicError", func() {
It("leaves QuicError unchanged", func() {
err := Error(DecryptionFailure, "foo")
err := Error(TransportParameterError, "foo")
Expect(ToQuicError(err)).To(Equal(err))
})
It("wraps ErrorCode properly", func() {
var err error = DecryptionFailure
Expect(ToQuicError(err)).To(Equal(Error(DecryptionFailure, "")))
var err error = FinalSizeError
Expect(ToQuicError(err)).To(Equal(Error(FinalSizeError, "")))
})
It("changes default errors to InternalError", func() {

4
internal/wire/frame_parser.go
View file

@ -40,7 +40,7 @@ func (p *frameParser) parseFrame(r *bytes.Reader, typeByte byte, encLevel protoc
if typeByte&0xf8 == 0x8 {
frame, err = parseStreamFrame(r, p.version)
if err != nil {
return nil, qerr.Error(qerr.InvalidFrameData, err.Error())
return nil, qerr.Error(qerr.FrameEncodingError, err.Error())
}
return frame, nil
}
@ -87,7 +87,7 @@ func (p *frameParser) parseFrame(r *bytes.Reader, typeByte byte, encLevel protoc
err = fmt.Errorf("unknown type byte 0x%x", typeByte)
}
if err != nil {
return nil, qerr.Error(qerr.InvalidFrameData, err.Error())
return nil, qerr.Error(qerr.FrameEncodingError, err.Error())
}
return frame, nil
}

4
internal/wire/frame_parser_test.go
View file

@ -273,7 +273,7 @@ var _ = Describe("Frame parsing", func() {
It("errors on invalid type", func() {
_, err := parser.ParseNext(bytes.NewReader([]byte{0x42}), protocol.Encryption1RTT)
Expect(err).To(MatchError("InvalidFrameData: unknown type byte 0x42"))
Expect(err).To(MatchError("FrameEncodingError: unknown type byte 0x42"))
})
It("errors on invalid frames", func() {
@ -285,6 +285,6 @@ var _ = Describe("Frame parsing", func() {
f.Write(b, versionIETFFrames)
_, err := parser.ParseNext(bytes.NewReader(b.Bytes()[:b.Len()-2]), protocol.Encryption1RTT)
Expect(err).To(HaveOccurred())
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.InvalidFrameData))
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.FrameEncodingError))
})
})

8
internal/wire/header.go
View file

@ -7,7 +7,6 @@ import (
"io"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/utils"
)
@ -209,13 +208,16 @@ func (h *Header) parseLongHeader(b *bytes.Reader) error {
func (h *Header) parseVersionNegotiationPacket(b *bytes.Reader) error {
if b.Len() == 0 {
return qerr.Error(qerr.InvalidVersionNegotiationPacket, "empty version list")
return errors.New("Version Negoation packet has empty version list")
}
if b.Len()%4 != 0 {
return errors.New("Version Negotation packet has a version list with an invalid length")
}
h.SupportedVersions = make([]protocol.VersionNumber, b.Len()/4)
for i := 0; b.Len() > 0; i++ {
v, err := utils.BigEndian.ReadUint32(b)
if err != nil {
return qerr.InvalidVersionNegotiationPacket
return err
}
h.SupportedVersions[i] = protocol.VersionNumber(v)
}

5
internal/wire/header_test.go
View file

@ -6,7 +6,6 @@ import (
"io"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
@ -138,7 +137,7 @@ var _ = Describe("Header Parsing", func() {
data, err := ComposeVersionNegotiation(connID, connID, versions)
Expect(err).ToNot(HaveOccurred())
_, _, _, err = ParsePacket(data[:len(data)-2], 0)
Expect(err).To(MatchError(qerr.InvalidVersionNegotiationPacket))
Expect(err).To(MatchError("Version Negotation packet has a version list with an invalid length"))
})
It("errors if the version list is empty", func() {
@ -149,7 +148,7 @@ var _ = Describe("Header Parsing", func() {
// remove 8 bytes (two versions), since ComposeVersionNegotiation also added a reserved version number
data = data[:len(data)-8]
_, _, _, err = ParsePacket(data, 0)
Expect(err).To(MatchError("InvalidVersionNegotiationPacket: empty version list"))
Expect(err).To(MatchError("Version Negoation packet has empty version list"))
})
})

2
internal/wire/stream_frame.go
View file

@ -69,7 +69,7 @@ func parseStreamFrame(r *bytes.Reader, version protocol.VersionNumber) (*StreamF
}
}
if frame.Offset+frame.DataLen() > protocol.MaxByteCount {
return nil, qerr.Error(qerr.InvalidStreamData, "data overflows maximum offset")
return nil, qerr.Error(qerr.FrameEncodingError, "stream data overflows maximum offset")
}
return frame, nil
}

3
internal/wire/stream_frame_test.go
View file

@ -4,7 +4,6 @@ import (
"bytes"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/qerr"
"github.com/lucas-clemente/quic-go/internal/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
@ -76,7 +75,7 @@ var _ = Describe("STREAM frame", func() {
data = append(data, []byte("foobar")...)
r := bytes.NewReader(data)
_, err := parseStreamFrame(r, versionIETFFrames)
Expect(err).To(MatchError(qerr.Error(qerr.InvalidStreamData, "data overflows maximum offset")))
Expect(err).To(MatchError("FrameEncodingError: stream data overflows maximum offset"))
})
It("errors on EOFs", func() {

3
server.go
View file

@ -504,8 +504,7 @@ func (s *server) sendServerBusy(remoteAddr net.Addr, hdr *wire.Header) error {
defer packetBuffer.Release()
buf := bytes.NewBuffer(packetBuffer.Slice[:0])
// TODO(#1567): use the SERVER_BUSY error code
ccf := &wire.ConnectionCloseFrame{ErrorCode: qerr.PeerGoingAway}
ccf := &wire.ConnectionCloseFrame{ErrorCode: qerr.ServerBusy}
replyHdr := &wire.ExtendedHeader{}
replyHdr.IsLongHeader = true

25
session.go
View file

@ -410,11 +410,11 @@ runLoop:
}
if !s.handshakeComplete && now.Sub(s.sessionCreationTime) >= s.config.HandshakeTimeout {
s.destroy(qerr.Error(qerr.HandshakeTimeout, "Crypto handshake did not complete in time."))
s.destroy(qerr.TimeoutError("Handshake did not complete in time"))
continue
}
if s.handshakeComplete && now.Sub(s.lastNetworkActivityTime) >= s.config.IdleTimeout {
s.destroy(qerr.Error(qerr.NetworkIdleTimeout, "No recent network activity."))
s.destroy(qerr.TimeoutError("No recent network activity"))
continue
}
@ -613,7 +613,7 @@ func (s *session) handleRetryPacket(p *receivedPacket, hdr *wire.Header) bool /*
func (s *session) handleUnpackedPacket(packet *unpackedPacket, rcvTime time.Time) error {
if len(packet.data) == 0 {
return qerr.MissingPayload
return qerr.Error(qerr.ProtocolViolation, "empty packet")
}
// The server can change the source connection ID with the first Handshake packet.
@ -745,8 +745,9 @@ func (s *session) handleCryptoFrame(frame *wire.CryptoFrame, encLevel protocol.E
}
func (s *session) handleStreamFrame(frame *wire.StreamFrame, encLevel protocol.EncryptionLevel) error {
// TODO(#1261): implement strict rules for frames types in unencrypted packets
if encLevel < protocol.Encryption1RTT {
return qerr.Error(qerr.UnencryptedStreamData, fmt.Sprintf("received unencrypted stream data on stream %d", frame.StreamID))
return qerr.Error(qerr.ProtocolViolation, fmt.Sprintf("received unencrypted stream data on stream %d", frame.StreamID))
}
str, err := s.streamsMap.GetOrOpenReceiveStream(frame.StreamID)
if err != nil {
@ -851,7 +852,7 @@ func (s *session) closeRemote(e error) {
})
}
// Close the connection. It sends a qerr.PeerGoingAway.
// Close the connection. It sends a qerr.NoError.
// It waits until the run loop has stopped before returning
func (s *session) Close() error {
s.closeLocal(nil)
@ -867,7 +868,7 @@ func (s *session) CloseWithError(code protocol.ApplicationErrorCode, e error) er
func (s *session) handleCloseError(closeErr closeError) error {
if closeErr.err == nil {
closeErr.err = qerr.PeerGoingAway
closeErr.err = qerr.NoError
}
var quicErr *qerr.QuicError
@ -875,8 +876,8 @@ func (s *session) handleCloseError(closeErr closeError) error {
if quicErr, ok = closeErr.err.(*qerr.QuicError); !ok {
quicErr = qerr.ToQuicError(closeErr.err)
}
// Don't log 'normal' reasons
if quicErr.ErrorCode == qerr.PeerGoingAway || quicErr.ErrorCode == qerr.NetworkIdleTimeout {
// Don't log timeout errors
if quicErr.Timeout() {
s.logger.Infof("Closing connection %s.", s.srcConnID)
} else {
s.logger.Errorf("Closing session with error: %s", closeErr.err.Error())
@ -924,17 +925,17 @@ func (s *session) processTransportParametersForClient(data []byte) (*handshake.T
}
// check that the negotiated_version is the current version
if eetp.NegotiatedVersion != s.version {
return nil, qerr.Error(qerr.VersionNegotiationMismatch, "current version doesn't match negotiated_version")
return nil, qerr.Error(qerr.VersionNegotiationError, "current version doesn't match negotiated_version")
}
// check that the current version is included in the supported versions
if !protocol.IsSupportedVersion(eetp.SupportedVersions, s.version) {
return nil, qerr.Error(qerr.VersionNegotiationMismatch, "current version not included in the supported versions")
return nil, qerr.Error(qerr.VersionNegotiationError, "current version not included in the supported versions")
}
// if version negotiation was performed, check that we would have selected the current version based on the supported versions sent by the server
if s.version != s.initialVersion {
negotiatedVersion, ok := protocol.ChooseSupportedVersion(s.config.Versions, eetp.SupportedVersions)
if !ok || s.version != negotiatedVersion {
return nil, qerr.Error(qerr.VersionNegotiationMismatch, "would have picked a different version")
return nil, qerr.Error(qerr.VersionNegotiationError, "would have picked a different version")
}
}
@ -960,7 +961,7 @@ func (s *session) processTransportParametersForServer(data []byte) (*handshake.T
// make sure that we would have sent a Version Negotiation Packet if the client offered the initial version
// this is the case if and only if the initial version is not contained in the supported versions
if chtp.InitialVersion != s.version && protocol.IsSupportedVersion(s.config.Versions, chtp.InitialVersion) {
return nil, qerr.Error(qerr.VersionNegotiationMismatch, "Client should have used the initial version")
return nil, qerr.Error(qerr.VersionNegotiationError, "Client should have used the initial version")
}
return &chtp.Parameters, nil
}

45
session_test.go
View file

@ -146,7 +146,7 @@ var _ = Describe("Session", func() {
StreamID: 3,
Data: []byte("foobar"),
}, protocol.EncryptionHandshake)
Expect(err).To(MatchError(qerr.Error(qerr.UnencryptedStreamData, "received unencrypted stream data on stream 3")))
Expect(err).To(MatchError(qerr.Error(qerr.ProtocolViolation, "received unencrypted stream data on stream 3")))
})
})
@ -320,7 +320,7 @@ var _ = Describe("Session", func() {
})
It("handles CONNECTION_CLOSE frames", func() {
testErr := qerr.Error(qerr.ProofInvalid, "foobar")
testErr := qerr.Error(qerr.StreamLimitError, "foobar")
streamManager.EXPECT().CloseWithError(testErr)
sessionRunner.EXPECT().removeConnectionID(gomock.Any())
cryptoSetup.EXPECT().Close()
@ -328,11 +328,13 @@ var _ = Describe("Session", func() {
go func() {
defer GinkgoRecover()
cryptoSetup.EXPECT().RunHandshake().Do(func() { <-sess.Context().Done() })
err := sess.run()
Expect(err).To(MatchError(testErr))
Expect(sess.run()).To(MatchError(testErr))
}()
err := sess.handleFrame(&wire.ConnectionCloseFrame{ErrorCode: qerr.ProofInvalid, ReasonPhrase: "foobar"}, 0, protocol.EncryptionUnspecified)
Expect(err).NotTo(HaveOccurred())
ccf := &wire.ConnectionCloseFrame{
ErrorCode: qerr.StreamLimitError,
ReasonPhrase: "foobar",
}
Expect(sess.handleFrame(ccf, 0, protocol.EncryptionUnspecified)).To(Succeed())
Eventually(sess.Context().Done()).Should(BeClosed())
})
})
@ -374,7 +376,7 @@ var _ = Describe("Session", func() {
})
It("shuts down without error", func() {
streamManager.EXPECT().CloseWithError(qerr.Error(qerr.PeerGoingAway, ""))
streamManager.EXPECT().CloseWithError(qerr.Error(qerr.NoError, ""))
sessionRunner.EXPECT().retireConnectionID(gomock.Any())
cryptoSetup.EXPECT().Close()
packer.EXPECT().PackConnectionClose(gomock.Any()).Return(&packedPacket{raw: []byte("connection close")}, nil)
@ -386,7 +388,7 @@ var _ = Describe("Session", func() {
})
It("only closes once", func() {
streamManager.EXPECT().CloseWithError(qerr.Error(qerr.PeerGoingAway, ""))
streamManager.EXPECT().CloseWithError(qerr.Error(qerr.NoError, ""))
sessionRunner.EXPECT().retireConnectionID(gomock.Any())
cryptoSetup.EXPECT().Close()
packer.EXPECT().PackConnectionClose(gomock.Any()).Return(&packedPacket{}, nil)
@ -569,7 +571,7 @@ var _ = Describe("Session", func() {
defer GinkgoRecover()
cryptoSetup.EXPECT().RunHandshake().Do(func() { <-sess.Context().Done() })
err := sess.run()
Expect(err).To(MatchError(qerr.MissingPayload))
Expect(err).To(MatchError("ProtocolViolation: empty packet"))
close(done)
}()
sessionRunner.EXPECT().retireConnectionID(gomock.Any())
@ -1217,7 +1219,7 @@ var _ = Describe("Session", func() {
InitialVersion: 13, // this must be a supported version
}
_, err := sess.processTransportParametersForServer(chtp.Marshal())
Expect(err).To(MatchError("VersionNegotiationMismatch: Client should have used the initial version"))
Expect(err).To(MatchError("VersionNegotiationError: Client should have used the initial version"))
})
})
@ -1314,7 +1316,10 @@ var _ = Describe("Session", func() {
defer GinkgoRecover()
cryptoSetup.EXPECT().RunHandshake().Do(func() { <-sess.Context().Done() })
err := sess.run()
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.NetworkIdleTimeout))
nerr, ok := err.(net.Error)
Expect(ok).To(BeTrue())
Expect(nerr.Timeout()).To(BeTrue())
Expect(err.Error()).To(ContainSubstring("No recent network activity"))
close(done)
}()
Eventually(done).Should(BeClosed())
@ -1329,7 +1334,10 @@ var _ = Describe("Session", func() {
defer GinkgoRecover()
cryptoSetup.EXPECT().RunHandshake().Do(func() { <-sess.Context().Done() })
err := sess.run()
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.HandshakeTimeout))
nerr, ok := err.(net.Error)
Expect(ok).To(BeTrue())
Expect(nerr.Timeout()).To(BeTrue())
Expect(err.Error()).To(ContainSubstring("Handshake did not complete in time"))
close(done)
}()
Eventually(done).Should(BeClosed())
@ -1339,7 +1347,7 @@ var _ = Describe("Session", func() {
sess.config.IdleTimeout = 9999 * time.Second
sess.lastNetworkActivityTime = time.Now().Add(-time.Minute)
packer.EXPECT().PackConnectionClose(gomock.Any()).DoAndReturn(func(f *wire.ConnectionCloseFrame) (*packedPacket, error) {
Expect(f.ErrorCode).To(Equal(qerr.PeerGoingAway))
Expect(f.ErrorCode).To(Equal(qerr.NoError))
return &packedPacket{}, nil
})
// the handshake timeout is irrelevant here, since it depends on the time the session was created,
@ -1368,7 +1376,10 @@ var _ = Describe("Session", func() {
sessionRunner.EXPECT().onHandshakeComplete(sess)
cryptoSetup.EXPECT().RunHandshake()
err := sess.run()
Expect(err.(*qerr.QuicError).ErrorCode).To(Equal(qerr.NetworkIdleTimeout))
nerr, ok := err.(net.Error)
Expect(ok).To(BeTrue())
Expect(nerr.Timeout()).To(BeTrue())
Expect(err.Error()).To(ContainSubstring("No recent network activity"))
close(done)
}()
Eventually(done).Should(BeClosed())
@ -1685,7 +1696,7 @@ var _ = Describe("Client Session", func() {
Parameters: params,
}
_, err := sess.processTransportParametersForClient(eetp.Marshal())
Expect(err).To(MatchError("VersionNegotiationMismatch: current version doesn't match negotiated_version"))
Expect(err).To(MatchError("VersionNegotiationError: current version doesn't match negotiated_version"))
})
It("errors if the current version is not contained in the server's supported versions", func() {
@ -1696,7 +1707,7 @@ var _ = Describe("Client Session", func() {
Parameters: params,
}
_, err := sess.processTransportParametersForClient(eetp.Marshal())
Expect(err).To(MatchError("VersionNegotiationMismatch: current version not included in the supported versions"))
Expect(err).To(MatchError("VersionNegotiationError: current version not included in the supported versions"))
})
It("errors if version negotiation was performed, but would have picked a different version based on the supported version list", func() {
@ -1714,7 +1725,7 @@ var _ = Describe("Client Session", func() {
Parameters: params,
}
_, err := sess.processTransportParametersForClient(eetp.Marshal())
Expect(err).To(MatchError("VersionNegotiationMismatch: would have picked a different version"))
Expect(err).To(MatchError("VersionNegotiationError: would have picked a different version"))
})
It("doesn't error if it would have picked a different version based on the supported version list, if no version negotiation was performed", func() {

2
streams_map_outgoing_bidi.go
View file

@ -107,7 +107,7 @@ func (m *outgoingBidiStreamsMap) GetStream(id protocol.StreamID) (streamI, error
m.mutex.RLock()
if id >= m.nextStream {
m.mutex.RUnlock()
return nil, qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))
return nil, qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))
}
s := m.streams[id]
m.mutex.RUnlock()

2
streams_map_outgoing_generic.go
View file

@ -105,7 +105,7 @@ func (m *outgoingItemsMap) GetStream(id protocol.StreamID) (item, error) {
m.mutex.RLock()
if id >= m.nextStream {
m.mutex.RUnlock()
return nil, qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))
return nil, qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))
}
s := m.streams[id]
m.mutex.RUnlock()

2
streams_map_outgoing_generic_test.go
View file

@ -59,7 +59,7 @@ var _ = Describe("Streams Map (outgoing)", func() {
It("errors when trying to get a stream that has not yet been opened", func() {
_, err := m.GetStream(firstNewStream)
Expect(err).To(MatchError(qerr.Error(qerr.InvalidStreamID, "peer attempted to open stream 3")))
Expect(err).To(MatchError(qerr.Error(qerr.StreamStateError, "peer attempted to open stream 3")))
})
It("deletes streams", func() {

2
streams_map_outgoing_uni.go
View file

@ -107,7 +107,7 @@ func (m *outgoingUniStreamsMap) GetStream(id protocol.StreamID) (sendStreamI, er
m.mutex.RLock()
if id >= m.nextStream {
m.mutex.RUnlock()
return nil, qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))
return nil, qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))
}
s := m.streams[id]
m.mutex.RUnlock()

6
streams_map_test.go
View file

@ -222,7 +222,7 @@ var _ = Describe("Streams Map", func() {
It("errors when the peer tries to open a higher outgoing bidirectional stream", func() {
id := ids.firstOutgoingBidiStream + 5*4
_, err := m.GetOrOpenSendStream(id)
Expect(err).To(MatchError(qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))))
Expect(err).To(MatchError(qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))))
})
It("gets an outgoing unidirectional stream", func() {
@ -238,7 +238,7 @@ var _ = Describe("Streams Map", func() {
It("errors when the peer tries to open a higher outgoing bidirectional stream", func() {
id := ids.firstOutgoingUniStream + 5*4
_, err := m.GetOrOpenSendStream(id)
Expect(err).To(MatchError(qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))))
Expect(err).To(MatchError(qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))))
})
It("gets an incoming bidirectional stream", func() {
@ -269,7 +269,7 @@ var _ = Describe("Streams Map", func() {
It("errors when the peer tries to open a higher outgoing bidirectional stream", func() {
id := ids.firstOutgoingBidiStream + 5*4
_, err := m.GetOrOpenReceiveStream(id)
Expect(err).To(MatchError(qerr.Error(qerr.InvalidStreamID, fmt.Sprintf("peer attempted to open stream %d", id))))
Expect(err).To(MatchError(qerr.Error(qerr.StreamStateError, fmt.Sprintf("peer attempted to open stream %d", id))))
})
It("gets an incoming bidirectional stream", func() {