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Code Pull Requests Activity

use a different network timeout before the crypto handshake completes

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ref #320
This commit is contained in:
Lucas Clemente
2016-09-08 13:48:26 +02:00
parent 3b66d2f35d
commit d6e40cc3da
2 changed files with 33 additions and 2 deletions
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11
session.go
View File

@@ -200,7 +200,7 @@ func (s *Session) run() {
if err := s.sendPacket(); err != nil {
s.Close(err)
}
if time.Now().Sub(s.lastNetworkActivityTime) >= s.connectionParametersManager.GetIdleConnectionStateLifetime() {
if time.Now().Sub(s.lastNetworkActivityTime) >= s.idleTimeout() {
s.Close(qerr.Error(qerr.NetworkIdleTimeout, "No recent network activity."))
}
if !s.cryptoSetup.HandshakeComplete() && time.Now().Sub(s.sessionCreationTime) >= protocol.MaxTimeForCryptoHandshake {
@@ -211,7 +211,7 @@ func (s *Session) run() {
}
func (s *Session) maybeResetTimer() {
nextDeadline := s.lastNetworkActivityTime.Add(s.connectionParametersManager.GetIdleConnectionStateLifetime())
nextDeadline := s.lastNetworkActivityTime.Add(s.idleTimeout())
if !s.delayedAckOriginTime.IsZero() {
nextDeadline = utils.MinTime(nextDeadline, s.delayedAckOriginTime.Add(protocol.AckSendDelay))
@@ -240,6 +240,13 @@ func (s *Session) maybeResetTimer() {
s.currentDeadline = nextDeadline
}
func (s *Session) idleTimeout() time.Duration {
if s.cryptoSetup.HandshakeComplete() {
return s.connectionParametersManager.GetIdleConnectionStateLifetime()
}
return protocol.InitialIdleTimeout
}
func (s *Session) handlePacketImpl(p *receivedPacket) error {
if p.rcvTime.IsZero() {
// To simplify testing

24
session_test.go
View File

@@ -762,6 +762,30 @@ var _ = Describe("Session", func() {
Expect(conn.written[0]).To(ContainSubstring("Crypto handshake did not complete in time."))
close(done)
})
It("does not use ICSL before handshake", func(done Done) {
session.lastNetworkActivityTime = time.Now().Add(-time.Minute)
session.connectionParametersManager.SetFromMap(map[handshake.Tag][]byte{
handshake.TagICSL: {0xff, 0xff, 0xff, 0xff},
})
session.packer.connectionParametersManager = session.connectionParametersManager
session.run() // Would normally not return
Expect(conn.written[0]).To(ContainSubstring("No recent network activity."))
close(done)
})
It("uses ICSL after handshake", func(done Done) {
// session.lastNetworkActivityTime = time.Now().Add(-time.Minute)
*(*bool)(unsafe.Pointer(reflect.ValueOf(session.cryptoSetup).Elem().FieldByName("receivedForwardSecurePacket").UnsafeAddr())) = true
*(*crypto.AEAD)(unsafe.Pointer(reflect.ValueOf(session.cryptoSetup).Elem().FieldByName("forwardSecureAEAD").UnsafeAddr())) = &crypto.NullAEAD{}
session.connectionParametersManager.SetFromMap(map[handshake.Tag][]byte{
handshake.TagICSL: {0, 0, 0, 0},
})
session.packer.connectionParametersManager = session.connectionParametersManager
session.run() // Would normally not return
Expect(conn.written[0]).To(ContainSubstring("No recent network activity."))
close(done)
})
})
It("errors when the SentPacketHandler has too many packets tracked", func() {