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src: use BaseObjectPtr to store SNI context #30548

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src: use BaseObjectPtr to store SNI context #30548

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b3eb281
tls: add memory tracking support to SSLWrap
addaleax Nov 19, 2019
fe5784a
src: use BaseObjectPtr to store SNI context
addaleax Nov 19, 2019
03251c5
src: inline SetSNICallback
addaleax Nov 19, 2019
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19 changes: 16 additions & 3 deletions src/node_crypto.cc
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Expand Up @@ -144,6 +144,7 @@ template void SSLWrap<TLSWrap>::AddMethods(Environment* env,
template void SSLWrap<TLSWrap>::ConfigureSecureContext(SecureContext* sc);
template void SSLWrap<TLSWrap>::SetSNIContext(SecureContext* sc);
template int SSLWrap<TLSWrap>::SetCACerts(SecureContext* sc);
template void SSLWrap<TLSWrap>::MemoryInfo(MemoryTracker* tracker) const;
template SSL_SESSION* SSLWrap<TLSWrap>::GetSessionCallback(
SSL* s,
const unsigned char* key,
Expand Down Expand Up @@ -2990,9 +2991,15 @@ void SSLWrap<Base>::CertCbDone(const FunctionCallbackInfo<Value>& args) {
goto fire_cb;

if (cons->HasInstance(ctx)) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, ctx.As<Object>());
w->sni_context_.Reset(env->isolate(), ctx);
SecureContext* sc = Unwrap<SecureContext>(ctx.As<Object>());
CHECK_NOT_NULL(sc);
// XXX: There is a method w->SetSNIContext(sc), and you might think that
// it makes sense to call that here and make setting w->sni_context_ part
// of it. In fact, that passes the test suite, although SetSNIContext()
// performs a lot more operations.
// If anybody is familiar enough with the TLS code to know whether it makes
// sense, please do so or document why it doesn't.
w->sni_context_ = BaseObjectPtr<SecureContext>(sc);
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int rv;

Expand Down Expand Up @@ -3074,6 +3081,12 @@ int SSLWrap<Base>::SetCACerts(SecureContext* sc) {
return 1;
}

template <class Base>
void SSLWrap<Base>::MemoryInfo(MemoryTracker* tracker) const {
tracker->TrackField("ocsp_response", ocsp_response_);
tracker->TrackField("sni_context", sni_context_);
}

int VerifyCallback(int preverify_ok, X509_STORE_CTX* ctx) {
// From https://www.openssl.org/docs/man1.1.1/man3/SSL_verify_cb:
//
Expand Down
4 changes: 3 additions & 1 deletion src/node_crypto.h
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Expand Up @@ -222,6 +222,8 @@ class SSLWrap {
inline bool is_awaiting_new_session() const { return awaiting_new_session_; }
inline bool is_waiting_cert_cb() const { return cert_cb_ != nullptr; }

void MemoryInfo(MemoryTracker* tracker) const;

protected:
typedef void (*CertCb)(void* arg);

Expand Down Expand Up @@ -308,7 +310,7 @@ class SSLWrap {
ClientHelloParser hello_parser_;

v8::Global<v8::ArrayBufferView> ocsp_response_;
v8::Global<v8::Value> sni_context_;
BaseObjectPtr<SecureContext> sni_context_;

friend class SecureContext;
};
Expand Down
4 changes: 2 additions & 2 deletions src/tls_wrap.cc
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Expand Up @@ -1065,10 +1065,9 @@ int TLSWrap::SelectSNIContextCallback(SSL* s, int* ad, void* arg) {
return SSL_TLSEXT_ERR_NOACK;
}

p->sni_context_.Reset(env->isolate(), ctx);

SecureContext* sc = Unwrap<SecureContext>(ctx.As<Object>());
CHECK_NOT_NULL(sc);
p->sni_context_ = BaseObjectPtr<SecureContext>(sc);
p->SetSNIContext(sc);
return SSL_TLSEXT_ERR_OK;
}
Expand All @@ -1089,6 +1088,7 @@ void TLSWrap::GetWriteQueueSize(const FunctionCallbackInfo<Value>& info) {


void TLSWrap::MemoryInfo(MemoryTracker* tracker) const {
SSLWrap<TLSWrap>::MemoryInfo(tracker);
tracker->TrackField("error", error_);
tracker->TrackFieldWithSize("pending_cleartext_input",
pending_cleartext_input_.size(),
Expand Down