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derp, wgengine/magicsock: support more than just packets from Client.Recv

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-02-20 19:10:54 -08:00
committed by Brad Fitzpatrick
parent 88f1cc0c98
commit 379a3125fd
7 changed files with 63 additions and 27 deletions
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4
derp/derp_server.go
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@@ -328,8 +328,8 @@ func (s *Server) recvPacket(ctx context.Context, br *bufio.Reader, frameLen uint
return key.Public{}, nil, err
}
packetLen := frameLen - keyLen
if packetLen > maxPacketData {
return key.Public{}, nil, fmt.Errorf("data packet longer (%d) than max of %v", packetLen, maxPacketData)
if packetLen > MaxPacketSize {
return key.Public{}, nil, fmt.Errorf("data packet longer (%d) than max of %v", packetLen, MaxPacketSize)
}
if err := limiter.WaitN(ctx, int(packetLen)); err != nil {
return key.Public{}, nil, fmt.Errorf("rate limit: %v", err)