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QUIC: fixed anti-amplification with explicit send. Previously, when using ngx_quic_frame_sendto() to explicitly send a packet with a single frame, anti-amplification limit was not properly enforced. Even when there was no quota left for the packet, it was sent anyway, but with no padding. Now the packet is not sent at all. This function is called to send PATH_CHALLENGE/PATH_RESPONSE, PMTUD and probe packets. For all these cases packet send is retried later in case the send was not successful.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 22 Nov 2023 14:52:21 +0400
parents e70cd097490a
children 4a3aa287704f
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/* 
 * Copyright (C) 2002-2021 Igor Sysoev
 * Copyright (C) 2011-2023 Nginx, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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 */