fizz::server::FizzServer< ActionMoveVisitor, SM > Class Template Reference

#include <FizzServer.h>

Inheritance diagram for fizz::server::FizzServer< ActionMoveVisitor, SM >:

Public Member Functions
void	accept (folly::Executor *executor, std::shared_ptr< const FizzServerContext > context, std::shared_ptr< ServerExtensions > extensions=nullptr)
void	newTransportData ()
Buf	getEarlyEkm (folly::StringPiece label, const Buf &context, uint16_t length) const
Public Member Functions inherited from fizz::FizzBase< Derived, ActionMoveVisitor, StateMachine >
	FizzBase (const typename StateMachine::StateType &state, folly::IOBufQueue &transportReadBuf, ActionMoveVisitor &visitor, folly::DelayedDestructionBase *owner)
void	writeNewSessionTicket (WriteNewSessionTicket writeNewSessionTicket)
void	appWrite (AppWrite appWrite)
void	earlyAppWrite (EarlyAppWrite appWrite)
void	appClose ()
void	waitForData ()
void	newTransportData ()
void	moveToErrorState (const folly::AsyncSocketException &ex)
bool	inErrorState () const
bool	actionProcessing () const
Buf	getEkm (folly::StringPiece label, const Buf &context, uint16_t length) const

Private Member Functions
void	startActions (AsyncActions actions)

Private Attributes
bool	checkV2Hello_ {false}

Friends
class	FizzBase< FizzServer< ActionMoveVisitor, SM >, ActionMoveVisitor, SM >

Additional Inherited Members
Protected Member Functions inherited from fizz::FizzBase< Derived, ActionMoveVisitor, StateMachine >
void	processActions (typename StateMachine::CompletedActions actions)
void	addProcessingActions (typename StateMachine::ProcessingActions actions)
Protected Attributes inherited from fizz::FizzBase< Derived, ActionMoveVisitor, StateMachine >
StateMachine	machine_
const StateMachine::StateType &	state_
folly::IOBufQueue &	transportReadBuf_

Detailed Description

template<typename ActionMoveVisitor, typename SM = ServerStateMachine>
class fizz::server::FizzServer< ActionMoveVisitor, SM >

Definition at line 21 of file FizzServer.h.

Member Function Documentation

template<typename ActionMoveVisitor , typename SM >

void fizz::server::FizzServer< ActionMoveVisitor, SM >::accept	(	folly::Executor *	executor,
		std::shared_ptr< const FizzServerContext >	context,
		std::shared_ptr< ServerExtensions >	extensions = nullptr
	)

Definition at line 13 of file FizzServer-inl.h.

References folly::gen::move.

                                                {
  checkV2Hello_ = context->getVersionFallbackEnabled();
  this->addProcessingActions(this->machine_.processAccept(
      this->state_, executor, std::move(context), std::move(extensions)));
}

template<typename ActionMoveVisitor , typename SM >

Buf fizz::server::FizzServer< ActionMoveVisitor, SM >::getEarlyEkm	(	folly::StringPiece	label,
		const Buf &	context,
		uint16_t	length
	)		const

Returns an exported key material derived from the early secret of the TLS connection. Throws if the early secret is not available.

Definition at line 46 of file FizzServer-inl.h.

References fizz::Exporter::getEkm(), and fizz::test::label.

                           {
  if (!this->state_.earlyExporterMasterSecret()) {
    throw std::runtime_error("early ekm not available");
  }
  return Exporter::getEkm(
      *this->state_.cipher(),
      (*this->state_.earlyExporterMasterSecret())->coalesce(),
      label,
      context ? context->clone() : nullptr,
      length);
}

template<typename ActionMoveVisitor , typename SM >

void fizz::server::FizzServer< ActionMoveVisitor, SM >::newTransportData

(

)

Definition at line 23 of file FizzServer-inl.h.

References fizz::server::detail::actions(), fizz::server::AttemptVersionFallback::clientHello, fizz::server::Error, fizz::server::looksLikeV2ClientHello(), folly::gen::move, and fizz::server::State::state().

                                                         {
  // If the first data we receive looks like an SSLv2 Client Hello we trigger
  // fallback immediately. This uses the same check as OpenSSL, and OpenSSL
  // does not allow extensions in an SSLv2 Client Hello, so this should not
  // add additional downgrade concerns.
  if (checkV2Hello_) {
    if (!this->actionProcessing() &&
        looksLikeV2ClientHello(this->transportReadBuf_)) {
      VLOG(3) << "Attempting fallback due to V2 ClientHello";
      AttemptVersionFallback fallback;
      fallback.clientHello = this->transportReadBuf_.move();
      return this->addProcessingActions(detail::actions(
          [](State& newState) { newState.state() = StateEnum::Error; },
          std::move(fallback)));
    }
    checkV2Hello_ = false;
  }

  FizzBase<FizzServer<ActionMoveVisitor, SM>, ActionMoveVisitor, SM>::
      newTransportData();
}

template<typename ActionMoveVisitor , typename SM >

void fizz::server::FizzServer< ActionMoveVisitor, SM >::startActions ( AsyncActions  actions )

private

Definition at line 62 of file FizzServer-inl.h.

References folly::gen::move, fizz::FizzBase< Derived, ActionMoveVisitor, StateMachine >::processActions(), and folly::variant_match().

                                                                         {
  folly::variant_match(
      actions,
      [this](folly::Future<Actions>& futureActions) {
        std::move(futureActions)
            .then(
                &FizzServer::processActions,
                static_cast<FizzBase<
                    FizzServer<ActionMoveVisitor, SM>,
                    ActionMoveVisitor,
                    SM>*>(this));
      },
      [this](Actions& immediateActions) {
        this->processActions(std::move(immediateActions));
      });
}

Friends And Related Function Documentation

template<typename ActionMoveVisitor, typename SM = ServerStateMachine>

friend class FizzBase< FizzServer< ActionMoveVisitor, SM >,ActionMoveVisitor,SM >

friend

Definition at line 47 of file FizzServer.h.

Member Data Documentation

template<typename ActionMoveVisitor, typename SM = ServerStateMachine>

bool fizz::server::FizzServer< ActionMoveVisitor, SM >::checkV2Hello_ {false}

private

Definition at line 51 of file FizzServer.h.

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The documentation for this class was generated from the following files:

• proxygen/fizz/fizz/server/FizzServer.h
• proxygen/fizz/fizz/server/FizzServer-inl.h