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add a handshake test for post-quantum-size ClientHellos (#3759)

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Post-quantum ClientHellos typically are larger than 1 MTU and will
therefore need to be split across multiple packets.
This commit is contained in:
Marten Seemann 2023-04-19 15:01:43 +02:00 • committed by GitHub
parent 7a393315bd
commit 969b5dc131
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3 changed files with 52 additions and 0 deletions
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21
integrationtests/self/handshake_drop_test.go
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@ -14,6 +14,7 @@ import (
"github.com/quic-go/quic-go"
quicproxy "github.com/quic-go/quic-go/integrationtests/tools/proxy"
"github.com/quic-go/quic-go/internal/protocol"
"github.com/quic-go/quic-go/internal/wire"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
@ -273,5 +274,25 @@ var _ = Describe("Handshake drop tests", func() {
}
}
})
It("establishes a connection when the ClientHello is larger than 1 MTU (e.g. post-quantum)", func() {
origAdditionalTransportParametersClient := wire.AdditionalTransportParametersClient
defer func() {
wire.AdditionalTransportParametersClient = origAdditionalTransportParametersClient
}()
b := make([]byte, 2500) // the ClientHello will now span across 3 packets
mrand.New(mrand.NewSource(GinkgoRandomSeed())).Read(b)
wire.AdditionalTransportParametersClient = map[uint64][]byte{
uint64(27 + 31*mrand.Intn(100)): b,
}
startListenerAndProxy(func(d quicproxy.Direction, _ []byte) bool {
if d == quicproxy.DirectionOutgoing {
return false
}
return mrand.Intn(3) == 0
}, false, false, version)
clientSpeaksFirst.run(version)
})
}
})