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[network] Verify connection NPN against negotiated NPN.

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Moonchild 2025-01-08 10:47:40 +01:00 • committed by roytam1
commit 024ab86be6
1 changed files with 15 additions and 1 deletions
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16
netwerk/protocol/http/nsHttpConnection.cpp
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@ -323,7 +323,8 @@ nsHttpConnection::StartSpdy(uint8_t spdyVersion)
if (!mTLSFilter) {
mTransaction = mSpdySession;
} else {
mTLSFilter->SetProxiedTransaction(mSpdySession);
rv = mTLSFilter->SetProxiedTransaction(mSpdySession);
NS_ENSURE_SUCCESS_VOID(rv);
}
if (mDontReuse) {
mSpdySession->DontReuse();
@ -355,6 +356,7 @@ nsHttpConnection::EnsureNPNComplete(nsresult &aOut0RTTWriteHandshakeValue,
nsCOMPtr<nsISupports> securityInfo;
nsCOMPtr<nsISSLSocketControl> ssl;
nsAutoCString negotiatedNPN;
nsAutoCString transactionNPN;
GetSecurityInfo(getter_AddRefs(securityInfo));
if (!securityInfo) {
@ -373,6 +375,18 @@ nsHttpConnection::EnsureNPNComplete(nsresult &aOut0RTTWriteHandshakeValue,
}
rv = ssl->GetNegotiatedNPN(negotiatedNPN);
// Check if the connection NPN matches negotiated NPN.
transactionNPN = mConnInfo->GetNPNToken();
LOG(("negotiatedNPN: %s - transactionNPN: %s", negotiatedNPN.get(),
transactionNPN.get()));
if (!transactionNPN.IsEmpty() && negotiatedNPN != transactionNPN) {
LOG(("Resetting connection due to mismatched NPN token"));
DontReuse();
mTransaction->Close(NS_ERROR_NET_RESET);
return true;
}
if (!m0RTTChecked && (rv == NS_ERROR_NOT_CONNECTED) &&
!mConnInfo->UsingProxy()) {
// There is no ALPN info (yet!). We need to consider doing 0RTT. We