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Implement handshake done and cipher dropping.

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Summary: This implements the handshake done signal and also cipher dropping.

Reviewed By: yangchi

Differential Revision: D19584922

fbshipit-source-id: a98bec8f1076393b051ff65a2d8aae7d572b42f5
This commit is contained in:
Matt Joras
2020-02-27 12:16:23 -08:00
committed by Facebook Github Bot
parent 49d262c84c
commit 472e40a902
26 changed files with 405 additions and 311 deletions
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14
quic/codec/QuicReadCodec.cpp
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@@ -125,14 +125,11 @@ CodecResult QuicReadCodec::parseLongHeaderPacket(
auto protectionType = longHeader.getProtectionType();
switch (protectionType) {
case ProtectionType::Initial:
if (handshakeDoneTime_) {
auto timeBetween = Clock::now() - *handshakeDoneTime_;
if (timeBetween > kTimeToRetainZeroRttKeys) {
VLOG(4) << nodeToString(nodeType_)
<< " dropping initial packet for exceeding key timeout"
<< connIdToHex();
return CodecResult(Nothing());
}
if (!initialHeaderCipher_) {
VLOG(4) << nodeToString(nodeType_)
<< " dropping initial packet after initial keys dropped"
<< connIdToHex();
return CodecResult(Nothing());
}
headerCipher = initialHeaderCipher_.get();
cipher = initialReadCipher_.get();
@@ -143,6 +140,7 @@ CodecResult QuicReadCodec::parseLongHeaderPacket(
break;
case ProtectionType::ZeroRtt:
if (handshakeDoneTime_) {
// TODO actually drop the 0-rtt keys in addition to dropping packets.
auto timeBetween = Clock::now() - *handshakeDoneTime_;
if (timeBetween > kTimeToRetainZeroRttKeys) {
VLOG(4) << nodeToString(nodeType_)