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adjust the minimum size for stateless resets to the new header format

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Marten Seemann
2019-08-31 12:33:53 +07:00
parent 96db15c836
commit d02fd5178a
2 changed files with 3 additions and 3 deletions
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4
internal/protocol/protocol.go
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@@ -56,8 +56,8 @@ const DefaultTCPMSS ByteCount = 1460
// MinInitialPacketSize is the minimum size an Initial packet is required to have.
const MinInitialPacketSize = 1200
// MinStatelessResetSize is the minimum size of a stateless reset packet
const MinStatelessResetSize = 1 /* first byte */ + 22 /* random bytes */ + 16 /* token */
// MinStatelessResetSize is the minimum size of a stateless reset packet that we send
const MinStatelessResetSize = 1 /* first byte */ + 20 /* max. conn ID length */ + 4 /* max. packet number length */ + 1 /* min. payload length */ + 16 /* token */
// MinConnectionIDLenInitial is the minimum length of the destination connection ID on an Initial packet.
const MinConnectionIDLenInitial = 8

2
packet_handler_map.go
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@@ -264,7 +264,7 @@ func (h *packetHandlerMap) maybeSendStatelessReset(p *receivedPacket, connID pro
}
token := h.GetStatelessResetToken(connID)
h.logger.Debugf("Sending stateless reset to %s (connection ID: %s). Token: %#x", p.remoteAddr, connID, token)
data := make([]byte, 23)
data := make([]byte, protocol.MinStatelessResetSize-16, protocol.MinStatelessResetSize)
rand.Read(data)
data[0] = (data[0] & 0x7f) | 0x40
data = append(data, token[:]...)