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limit available window to 3x of received bytes before address validation

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This commit is contained in:
Marten Seemann 2020-04-23 13:34:31 +07:00
parent 98233f6743
commit 60a918a108
9 changed files with 186 additions and 13 deletions
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12
internal/ackhandler/received_packet_handler_test.go
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@ -3,6 +3,8 @@ package ackhandler
import (
"time"
"github.com/golang/mock/gomock"
"github.com/lucas-clemente/quic-go/internal/congestion"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils"
@ -29,6 +31,9 @@ var _ = Describe("Received Packet Handler", func() {
It("generates ACKs for different packet number spaces", func() {
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
sendTime := time.Now().Add(-time.Second)
sentPackets.EXPECT().ReceivedPacket(protocol.EncryptionInitial).Times(2)
sentPackets.EXPECT().ReceivedPacket(protocol.EncryptionHandshake).Times(2)
sentPackets.EXPECT().ReceivedPacket(protocol.Encryption1RTT).Times(2)
Expect(handler.ReceivedPacket(2, protocol.EncryptionInitial, sendTime, true)).To(Succeed())
Expect(handler.ReceivedPacket(1, protocol.EncryptionHandshake, sendTime, true)).To(Succeed())
Expect(handler.ReceivedPacket(5, protocol.Encryption1RTT, sendTime, true)).To(Succeed())
@ -54,6 +59,8 @@ var _ = Describe("Received Packet Handler", func() {
It("uses the same packet number space for 0-RTT and 1-RTT packets", func() {
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
sentPackets.EXPECT().ReceivedPacket(protocol.Encryption0RTT)
sentPackets.EXPECT().ReceivedPacket(protocol.Encryption1RTT)
sendTime := time.Now().Add(-time.Second)
Expect(handler.ReceivedPacket(2, protocol.Encryption0RTT, sendTime, true)).To(Succeed())
Expect(handler.ReceivedPacket(3, protocol.Encryption1RTT, sendTime, true)).To(Succeed())
@ -64,6 +71,7 @@ var _ = Describe("Received Packet Handler", func() {
})
It("rejects 0-RTT packets with higher packet numbers than 1-RTT packets", func() {
sentPackets.EXPECT().ReceivedPacket(gomock.Any()).Times(3)
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
sendTime := time.Now()
Expect(handler.ReceivedPacket(10, protocol.Encryption0RTT, sendTime, true)).To(Succeed())
@ -72,6 +80,7 @@ var _ = Describe("Received Packet Handler", func() {
})
It("allows reordered 0-RTT packets", func() {
sentPackets.EXPECT().ReceivedPacket(gomock.Any()).Times(3)
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
sendTime := time.Now()
Expect(handler.ReceivedPacket(10, protocol.Encryption0RTT, sendTime, true)).To(Succeed())
@ -80,6 +89,7 @@ var _ = Describe("Received Packet Handler", func() {
})
It("drops Initial packets", func() {
sentPackets.EXPECT().ReceivedPacket(gomock.Any()).Times(2)
sendTime := time.Now().Add(-time.Second)
Expect(handler.ReceivedPacket(2, protocol.EncryptionInitial, sendTime, true)).To(Succeed())
Expect(handler.ReceivedPacket(1, protocol.EncryptionHandshake, sendTime, true)).To(Succeed())
@ -90,6 +100,7 @@ var _ = Describe("Received Packet Handler", func() {
})
It("drops Handshake packets", func() {
sentPackets.EXPECT().ReceivedPacket(gomock.Any()).Times(2)
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
sendTime := time.Now().Add(-time.Second)
Expect(handler.ReceivedPacket(1, protocol.EncryptionHandshake, sendTime, true)).To(Succeed())
@ -105,6 +116,7 @@ var _ = Describe("Received Packet Handler", func() {
})
It("drops old ACK ranges", func() {
sentPackets.EXPECT().ReceivedPacket(gomock.Any()).AnyTimes()
sendTime := time.Now()
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().Times(2)
Expect(handler.ReceivedPacket(1, protocol.Encryption1RTT, sendTime, true)).To(Succeed())