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only log the discarding of Handshake keys once (#4274)

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Marten Seemann 2024-01-29 11:51:22 +07:00 • committed by GitHub
parent 9b83ac230b
commit 940feef063
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1 changed files with 6 additions and 2 deletions
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8
connection.go
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@ -177,6 +177,7 @@ type connection struct {
earlyConnReadyChan chan struct{}
sentFirstPacket bool
droppedInitialKeys bool
handshakeComplete bool
handshakeConfirmed bool
@ -1185,7 +1186,8 @@ func (s *connection) handleUnpackedLongHeaderPacket(
}
}
if s.perspective == protocol.PerspectiveServer && packet.encryptionLevel == protocol.EncryptionHandshake {
if s.perspective == protocol.PerspectiveServer && packet.encryptionLevel == protocol.EncryptionHandshake &&
!s.droppedInitialKeys {
// On the server side, Initial keys are dropped as soon as the first Handshake packet is received.
// See Section 4.9.1 of RFC 9001.
if err := s.dropEncryptionLevel(protocol.EncryptionInitial); err != nil {
@ -1659,6 +1661,7 @@ func (s *connection) dropEncryptionLevel(encLevel protocol.EncryptionLevel) erro
//nolint:exhaustive // only Initial and 0-RTT need special treatment
switch encLevel {
case protocol.EncryptionInitial:
s.droppedInitialKeys = true
s.cryptoStreamHandler.DiscardInitialKeys()
case protocol.Encryption0RTT:
s.streamsMap.ResetFor0RTT()
@ -2075,7 +2078,8 @@ func (s *connection) sendPackedCoalescedPacket(packet *coalescedPacket, ecn prot
largestAcked = p.ack.LargestAcked()
}
s.sentPacketHandler.SentPacket(now, p.header.PacketNumber, largestAcked, p.streamFrames, p.frames, p.EncryptionLevel(), ecn, p.length, false)
if s.perspective == protocol.PerspectiveClient && p.EncryptionLevel() == protocol.EncryptionHandshake {
if s.perspective == protocol.PerspectiveClient && p.EncryptionLevel() == protocol.EncryptionHandshake &&
!s.droppedInitialKeys {
// On the client side, Initial keys are dropped as soon as the first Handshake packet is sent.
// See Section 4.9.1 of RFC 9001.
if err := s.dropEncryptionLevel(protocol.EncryptionInitial); err != nil {