#include <protostack.hpp>

Collaboration diagram for openvpn::ProtoStackBase< PACKET, PARENT >:

Public Types
enum	NetSendType { NET_SEND_SSL , NET_SEND_RAW , NET_SEND_ACK , NET_SEND_RETRANSMIT }

using	id_t = reliable::id_t

using	ReliableSend = ReliableSendTemplate< PACKET >

using	ReliableRecv = ReliableRecvTemplate< PACKET >

Public Member Functions
	OPENVPN_SIMPLE_EXCEPTION (proto_stack_invalidated)

	OPENVPN_SIMPLE_EXCEPTION (unknown_status_from_ssl_layer)

	ProtoStackBase (SSLFactoryAPI &ssl_factory, TimePtr now_arg, const Time::Duration &tls_timeout_arg, const Frame::Ptr &frame, const SessionStats::Ptr &stats_arg, bool psid_cookie_mode)

void	start_handshake ()

uint32_t	get_tls_warnings () const

bool	net_recv (PACKET &&pkt)

void	app_send (BufferPtr &&buf)

void	raw_send (PACKET &&pkt)

void	flush ()

void	send_pending_acks ()

void	retransmit ()

Time	next_retransmit () const

bool	ssl_started () const

bool	invalidated () const

Error::Type	invalidation_reason () const

void	invalidate (const Error::Type reason)

std::string	ssl_handshake_details () const

void	export_key_material (OpenVPNStaticKey &key, const std::string &label) const

const AuthCert::Ptr &	auth_cert () const

Static Public Attributes
static constexpr size_t	ovpn_sending_window = 6

static constexpr size_t	ovpn_receiving_window = ReliableAck::maximum_acks_ack_v1

Protected Attributes
TimePtr	now

ReliableRecv	rel_recv

ReliableSend	rel_send

ReliableAck	xmit_acks {}

Private Member Functions
PARENT &	parent ()

void	send_pending_ssl_ciphertext_packets ()
	If there are any pending SSL ciphertext packets, encapsulate and send them out.

void	send_pending_ssl_ciphertext_packets_nothrow () noexcept
	A version of send_pending_ssl_ciphertext_packets() that guarantees no exceptions.

void	down_stack_app ()

void	down_stack_raw ()

bool	up_stack (PACKET &recv)

void	up_sequenced ()

void	update_retransmit ()

void	error (const Error::Type reason)

Private Attributes
const Time::Duration	tls_timeout

SSLAPI::Ptr	ssl_

Frame::Ptr	frame_

int	up_stack_reentry_level = 0

bool	invalidated_ = false

Error::Type	invalidation_reason_ = Error::SUCCESS

bool	ssl_started_ = false

Time	next_retransmit_ = Time::infinite()

BufferPtr	to_app_buf

PACKET	ack_send_buf

std::deque< BufferPtr >	app_write_queue

std::deque< PACKET >	raw_write_queue

SessionStats::Ptr	stats

Detailed Description

template<typename PACKET, typename PARENT>
class openvpn::ProtoStackBase< PACKET, PARENT >

Definition at line 68 of file protostack.hpp.

Member Typedef Documentation

◆ id_t

template<typename PACKET , typename PARENT >

using openvpn::ProtoStackBase< PACKET, PARENT >::id_t = reliable::id_t

Definition at line 74 of file protostack.hpp.

◆ ReliableRecv

template<typename PACKET , typename PARENT >

using openvpn::ProtoStackBase< PACKET, PARENT >::ReliableRecv = ReliableRecvTemplate<PACKET>

Definition at line 76 of file protostack.hpp.

◆ ReliableSend

template<typename PACKET , typename PARENT >

using openvpn::ProtoStackBase< PACKET, PARENT >::ReliableSend = ReliableSendTemplate<PACKET>

Definition at line 75 of file protostack.hpp.

Member Enumeration Documentation

◆ NetSendType

template<typename PACKET , typename PARENT >

enum openvpn::ProtoStackBase::NetSendType

Enumerator
NET_SEND_SSL
NET_SEND_RAW
NET_SEND_ACK
NET_SEND_RETRANSMIT

Definition at line 81 of file protostack.hpp.

Constructor & Destructor Documentation

◆ ProtoStackBase()

template<typename PACKET , typename PARENT >

openvpn::ProtoStackBase< PACKET, PARENT >::ProtoStackBase	(	SSLFactoryAPI &	ssl_factory,
		TimePtr	now_arg,
		const Time::Duration &	tls_timeout_arg,
		const Frame::Ptr &	frame,
		const SessionStats::Ptr &	stats_arg,
		bool	psid_cookie_mode
	)

inline

Definition at line 89 of file protostack.hpp.

Member Function Documentation

◆ app_send()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::app_send ( BufferPtr && buf )

inline

Definition at line 134 of file protostack.hpp.

◆ auth_cert()

template<typename PACKET , typename PARENT >

const AuthCert::Ptr & openvpn::ProtoStackBase< PACKET, PARENT >::auth_cert ( ) const

inline

Definition at line 260 of file protostack.hpp.

◆ down_stack_app()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::down_stack_app ( )

inlineprivate

Definition at line 358 of file protostack.hpp.

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◆ down_stack_raw()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::down_stack_raw ( )

inlineprivate

Definition at line 398 of file protostack.hpp.

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◆ error()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::error ( const Error::Type reason )

inlineprivate

Definition at line 515 of file protostack.hpp.

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◆ export_key_material()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::export_key_material	(	OpenVPNStaticKey &	key,
		const std::string &	label
	)		const

inline

Definition at line 254 of file protostack.hpp.

◆ flush()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::flush ( )

inline

Definition at line 152 of file protostack.hpp.

◆ get_tls_warnings()

template<typename PACKET , typename PARENT >

uint32_t openvpn::ProtoStackBase< PACKET, PARENT >::get_tls_warnings ( ) const

inline

Definition at line 117 of file protostack.hpp.

◆ invalidate()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::invalidate ( const Error::Type reason )

inline

Definition at line 239 of file protostack.hpp.

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◆ invalidated()

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::invalidated ( ) const

inline

Definition at line 227 of file protostack.hpp.

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◆ invalidation_reason()

template<typename PACKET , typename PARENT >

Error::Type openvpn::ProtoStackBase< PACKET, PARENT >::invalidation_reason ( ) const

inline

Definition at line 233 of file protostack.hpp.

◆ net_recv()

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::net_recv ( PACKET && pkt )

inline

Definition at line 124 of file protostack.hpp.

◆ next_retransmit()

template<typename PACKET , typename PARENT >

Time openvpn::ProtoStackBase< PACKET, PARENT >::next_retransmit ( ) const

inline

Definition at line 212 of file protostack.hpp.

◆ OPENVPN_SIMPLE_EXCEPTION() [1/2]

template<typename PACKET , typename PARENT >

openvpn::ProtoStackBase< PACKET, PARENT >::OPENVPN_SIMPLE_EXCEPTION ( proto_stack_invalidated )

◆ OPENVPN_SIMPLE_EXCEPTION() [2/2]

template<typename PACKET , typename PARENT >

openvpn::ProtoStackBase< PACKET, PARENT >::OPENVPN_SIMPLE_EXCEPTION ( unknown_status_from_ssl_layer )

◆ parent()

template<typename PACKET , typename PARENT >

PARENT & openvpn::ProtoStackBase< PACKET, PARENT >::parent ( )

inlineprivate

Definition at line 312 of file protostack.hpp.

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◆ raw_send()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::raw_send ( PACKET && pkt )

inline

Definition at line 143 of file protostack.hpp.

◆ retransmit()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::retransmit ( )

inline

Definition at line 181 of file protostack.hpp.

◆ send_pending_acks()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::send_pending_acks ( )

inline

Definition at line 163 of file protostack.hpp.

◆ send_pending_ssl_ciphertext_packets()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::send_pending_ssl_ciphertext_packets ( )

inlineprivate

If there are any pending SSL ciphertext packets, encapsulate and send them out.

Definition at line 318 of file protostack.hpp.

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◆ send_pending_ssl_ciphertext_packets_nothrow()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::send_pending_ssl_ciphertext_packets_nothrow ( )

inlineprivatenoexcept

A version of send_pending_ssl_ciphertext_packets() that guarantees no exceptions.

Definition at line 346 of file protostack.hpp.

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◆ ssl_handshake_details()

template<typename PACKET , typename PARENT >

std::string openvpn::ProtoStackBase< PACKET, PARENT >::ssl_handshake_details ( ) const

inline

Definition at line 249 of file protostack.hpp.

◆ ssl_started()

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::ssl_started ( ) const

inline

Definition at line 221 of file protostack.hpp.

◆ start_handshake()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::start_handshake ( )

inline

Definition at line 107 of file protostack.hpp.

◆ up_sequenced()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::up_sequenced ( )

inlineprivate

Definition at line 439 of file protostack.hpp.

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◆ up_stack()

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::up_stack ( PACKET & recv )

inlineprivate

Definition at line 425 of file protostack.hpp.

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◆ update_retransmit()

template<typename PACKET , typename PARENT >

void openvpn::ProtoStackBase< PACKET, PARENT >::update_retransmit ( )

inlineprivate

Definition at line 510 of file protostack.hpp.

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Member Data Documentation

◆ ack_send_buf

template<typename PACKET , typename PARENT >

PACKET openvpn::ProtoStackBase< PACKET, PARENT >::ack_send_buf

private

Definition at line 532 of file protostack.hpp.

◆ app_write_queue

template<typename PACKET , typename PARENT >

std::deque<BufferPtr> openvpn::ProtoStackBase< PACKET, PARENT >::app_write_queue

private

Definition at line 533 of file protostack.hpp.

◆ frame_

template<typename PACKET , typename PARENT >

Frame::Ptr openvpn::ProtoStackBase< PACKET, PARENT >::frame_

private

Definition at line 525 of file protostack.hpp.

◆ invalidated_

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::invalidated_ = false

private

Definition at line 527 of file protostack.hpp.

◆ invalidation_reason_

template<typename PACKET , typename PARENT >

Error::Type openvpn::ProtoStackBase< PACKET, PARENT >::invalidation_reason_ = Error::SUCCESS

private

Definition at line 528 of file protostack.hpp.

◆ next_retransmit_

template<typename PACKET , typename PARENT >

Time openvpn::ProtoStackBase< PACKET, PARENT >::next_retransmit_ = Time::infinite()

private

Definition at line 530 of file protostack.hpp.

◆ now

template<typename PACKET , typename PARENT >

TimePtr openvpn::ProtoStackBase< PACKET, PARENT >::now

protected

Definition at line 538 of file protostack.hpp.

◆ ovpn_receiving_window

template<typename PACKET , typename PARENT >

constexpr size_t openvpn::ProtoStackBase< PACKET, PARENT >::ovpn_receiving_window = ReliableAck::maximum_acks_ack_v1

staticconstexpr

Definition at line 72 of file protostack.hpp.

◆ ovpn_sending_window

template<typename PACKET , typename PARENT >

constexpr size_t openvpn::ProtoStackBase< PACKET, PARENT >::ovpn_sending_window = 6

staticconstexpr

Definition at line 71 of file protostack.hpp.

◆ raw_write_queue

template<typename PACKET , typename PARENT >

std::deque<PACKET> openvpn::ProtoStackBase< PACKET, PARENT >::raw_write_queue

private

Definition at line 534 of file protostack.hpp.

◆ rel_recv

template<typename PACKET , typename PARENT >

ReliableRecv openvpn::ProtoStackBase< PACKET, PARENT >::rel_recv

protected

Definition at line 539 of file protostack.hpp.

◆ rel_send

template<typename PACKET , typename PARENT >

ReliableSend openvpn::ProtoStackBase< PACKET, PARENT >::rel_send

protected

Definition at line 540 of file protostack.hpp.

◆ ssl_

template<typename PACKET , typename PARENT >

SSLAPI::Ptr openvpn::ProtoStackBase< PACKET, PARENT >::ssl_

private

Definition at line 524 of file protostack.hpp.

◆ ssl_started_

template<typename PACKET , typename PARENT >

bool openvpn::ProtoStackBase< PACKET, PARENT >::ssl_started_ = false

private

Definition at line 529 of file protostack.hpp.

◆ stats

template<typename PACKET , typename PARENT >

SessionStats::Ptr openvpn::ProtoStackBase< PACKET, PARENT >::stats

private

Definition at line 535 of file protostack.hpp.

◆ tls_timeout

template<typename PACKET , typename PARENT >

const Time::Duration openvpn::ProtoStackBase< PACKET, PARENT >::tls_timeout

private

Definition at line 523 of file protostack.hpp.

◆ to_app_buf

template<typename PACKET , typename PARENT >

BufferPtr openvpn::ProtoStackBase< PACKET, PARENT >::to_app_buf

private

Definition at line 531 of file protostack.hpp.

◆ up_stack_reentry_level

template<typename PACKET , typename PARENT >

int openvpn::ProtoStackBase< PACKET, PARENT >::up_stack_reentry_level = 0

private

Definition at line 526 of file protostack.hpp.

◆ xmit_acks

template<typename PACKET , typename PARENT >

ReliableAck openvpn::ProtoStackBase< PACKET, PARENT >::xmit_acks {}

protected

Definition at line 541 of file protostack.hpp.

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

openvpn/ssl/protostack.hpp

Public Types

Public Member Functions

Static Public Attributes

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ id_t

◆ ReliableRecv

◆ ReliableSend

Member Enumeration Documentation

◆ NetSendType

Constructor & Destructor Documentation

◆ ProtoStackBase()

Member Function Documentation

◆ app_send()

◆ auth_cert()

◆ down_stack_app()

◆ down_stack_raw()

◆ error()

◆ export_key_material()

◆ flush()

◆ get_tls_warnings()

◆ invalidate()

◆ invalidated()

◆ invalidation_reason()

◆ net_recv()

◆ next_retransmit()

◆ OPENVPN_SIMPLE_EXCEPTION() [1/2]

◆ OPENVPN_SIMPLE_EXCEPTION() [2/2]

◆ parent()

◆ raw_send()

◆ retransmit()

◆ send_pending_acks()

◆ send_pending_ssl_ciphertext_packets()

◆ send_pending_ssl_ciphertext_packets_nothrow()

◆ ssl_handshake_details()

◆ ssl_started()

◆ start_handshake()

◆ up_sequenced()

◆ up_stack()

◆ update_retransmit()

Member Data Documentation

◆ ack_send_buf

◆ app_write_queue

◆ frame_

◆ invalidated_

◆ invalidation_reason_

◆ next_retransmit_

◆ now

◆ ovpn_receiving_window

◆ ovpn_sending_window

◆ raw_write_queue

◆ rel_recv

◆ rel_send

◆ ssl_

◆ ssl_started_

◆ stats

◆ tls_timeout

◆ to_app_buf

◆ up_stack_reentry_level

◆ xmit_acks