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Disable anti-amplification limit by address validation token (#3326)

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Benedikt Spies 2022-08-20 17:02:17 +02:00 • committed by GitHub
parent 8c0c481da1
commit 7da024da5a
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8 changed files with 75 additions and 12 deletions
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5
internal/ackhandler/sent_packet_handler.go
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@ -101,10 +101,13 @@ var (
_ sentPacketTracker = &sentPacketHandler{}
)
// clientAddressValidated indicates whether the address was validated beforehand by an address validation token.
// If the address was validated, the amplification limit doesn't apply. It has no effect for a client.
func newSentPacketHandler(
initialPN protocol.PacketNumber,
initialMaxDatagramSize protocol.ByteCount,
rttStats *utils.RTTStats,
clientAddressValidated bool,
pers protocol.Perspective,
tracer logging.ConnectionTracer,
logger utils.Logger,
@ -119,7 +122,7 @@ func newSentPacketHandler(
return &sentPacketHandler{
peerCompletedAddressValidation: pers == protocol.PerspectiveServer,
peerAddressValidated: pers == protocol.PerspectiveClient,
peerAddressValidated: pers == protocol.PerspectiveClient || clientAddressValidated,
initialPackets: newPacketNumberSpace(initialPN, false, rttStats),
handshakePackets: newPacketNumberSpace(0, false, rttStats),
appDataPackets: newPacketNumberSpace(0, true, rttStats),