mirror of https://github.com/openssl/openssl.git
354 lines
13 KiB
C
354 lines
13 KiB
C
/*
|
|
* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#ifndef OSSL_QUIC_LOCAL_H
|
|
# define OSSL_QUIC_LOCAL_H
|
|
|
|
# include <openssl/ssl.h>
|
|
# include "internal/quic_ssl.h" /* QUIC_CONNECTION */
|
|
# include "internal/quic_txp.h"
|
|
# include "internal/quic_statm.h"
|
|
# include "internal/quic_demux.h"
|
|
# include "internal/quic_record_rx.h"
|
|
# include "internal/quic_tls.h"
|
|
# include "internal/quic_fc.h"
|
|
# include "internal/quic_stream.h"
|
|
# include "internal/quic_channel.h"
|
|
# include "internal/quic_reactor.h"
|
|
# include "internal/quic_thread_assist.h"
|
|
# include "../ssl_local.h"
|
|
|
|
# ifndef OPENSSL_NO_QUIC
|
|
|
|
/*
|
|
* QUIC stream SSL object (QSSO) type. This implements the API personality layer
|
|
* for QSSO objects, wrapping the QUIC-native QUIC_STREAM object and tracking
|
|
* state required by the libssl API personality.
|
|
*/
|
|
struct quic_xso_st {
|
|
/* SSL object common header. */
|
|
struct ssl_st ssl;
|
|
|
|
/* The connection this stream is associated with. Always non-NULL. */
|
|
QUIC_CONNECTION *conn;
|
|
|
|
/* The stream object. Always non-NULL for as long as the XSO exists. */
|
|
QUIC_STREAM *stream;
|
|
|
|
/*
|
|
* Has this stream been logically configured into blocking mode? Only
|
|
* meaningful if desires_blocking_set is 1. Ignored if blocking is not
|
|
* currently possible given QUIC_CONNECTION configuration.
|
|
*/
|
|
unsigned int desires_blocking : 1;
|
|
|
|
/*
|
|
* Has SSL_set_blocking_mode been called on this stream? If not set, we
|
|
* inherit from the QUIC_CONNECTION blocking state.
|
|
*/
|
|
unsigned int desires_blocking_set : 1;
|
|
|
|
/* The application has retired a FIN (i.e. SSL_ERROR_ZERO_RETURN). */
|
|
unsigned int retired_fin : 1;
|
|
|
|
/*
|
|
* The application has requested a reset. Not set for reflexive
|
|
* STREAM_RESETs caused by peer STOP_SENDING.
|
|
*/
|
|
unsigned int requested_reset : 1;
|
|
|
|
/*
|
|
* This state tracks SSL_write all-or-nothing (AON) write semantics
|
|
* emulation.
|
|
*
|
|
* Example chronology:
|
|
*
|
|
* t=0: aon_write_in_progress=0
|
|
* t=1: SSL_write(ssl, b1, l1) called;
|
|
* too big to enqueue into sstream at once, SSL_ERROR_WANT_WRITE;
|
|
* aon_write_in_progress=1; aon_buf_base=b1; aon_buf_len=l1;
|
|
* aon_buf_pos < l1 (depends on how much room was in sstream);
|
|
* t=2: SSL_write(ssl, b2, l2);
|
|
* b2 must equal b1 (validated unless ACCEPT_MOVING_WRITE_BUFFER)
|
|
* l2 must equal l1 (always validated)
|
|
* append into sstream from [b2 + aon_buf_pos, b2 + aon_buf_len)
|
|
* if done, aon_write_in_progress=0
|
|
*
|
|
*/
|
|
/* Is an AON write in progress? */
|
|
unsigned int aon_write_in_progress : 1;
|
|
/*
|
|
* The base buffer pointer the caller passed us for the initial AON write
|
|
* call. We use this for validation purposes unless
|
|
* ACCEPT_MOVING_WRITE_BUFFER is enabled.
|
|
*
|
|
* NOTE: We never dereference this, as the caller might pass a different
|
|
* (but identical) buffer if using ACCEPT_MOVING_WRITE_BUFFER. It is for
|
|
* validation by pointer comparison only.
|
|
*/
|
|
const unsigned char *aon_buf_base;
|
|
/* The total length of the AON buffer being sent, in bytes. */
|
|
size_t aon_buf_len;
|
|
/*
|
|
* The position in the AON buffer up to which we have successfully sent data
|
|
* so far.
|
|
*/
|
|
size_t aon_buf_pos;
|
|
|
|
/* SSL_set_mode */
|
|
uint32_t ssl_mode;
|
|
|
|
/* SSL_set_options */
|
|
uint64_t ssl_options;
|
|
|
|
/*
|
|
* Last 'normal' error during an app-level I/O operation, used by
|
|
* SSL_get_error(); used to track data-path errors like SSL_ERROR_WANT_READ
|
|
* and SSL_ERROR_WANT_WRITE.
|
|
*/
|
|
int last_error;
|
|
};
|
|
|
|
struct quic_conn_st {
|
|
/*
|
|
* ssl_st is a common header for ordinary SSL objects, QUIC connection
|
|
* objects and QUIC stream objects, allowing objects of these different
|
|
* types to be disambiguated at runtime and providing some common fields.
|
|
*
|
|
* Note: This must come first in the QUIC_CONNECTION structure.
|
|
*/
|
|
struct ssl_st ssl;
|
|
|
|
SSL *tls;
|
|
|
|
/* The QUIC engine representing the QUIC event domain. */
|
|
QUIC_ENGINE *engine;
|
|
|
|
/* The QUIC port representing the QUIC listener and socket. */
|
|
QUIC_PORT *port;
|
|
|
|
/*
|
|
* The QUIC channel providing the core QUIC connection implementation. Note
|
|
* that this is not instantiated until we actually start trying to do the
|
|
* handshake. This is to allow us to gather information like whether we are
|
|
* going to be in client or server mode before committing to instantiating
|
|
* the channel, since we want to determine the channel arguments based on
|
|
* that.
|
|
*
|
|
* The channel remains available after connection termination until the SSL
|
|
* object is freed, thus (ch != NULL) iff (started == 1).
|
|
*/
|
|
QUIC_CHANNEL *ch;
|
|
|
|
/*
|
|
* The mutex used to synchronise access to the QUIC_CHANNEL. We own this but
|
|
* provide it to the channel.
|
|
*/
|
|
CRYPTO_MUTEX *mutex;
|
|
|
|
/*
|
|
* If we have a default stream attached, this is the internal XSO
|
|
* object. If there is no default stream, this is NULL.
|
|
*/
|
|
QUIC_XSO *default_xso;
|
|
|
|
/* The network read and write BIOs. */
|
|
BIO *net_rbio, *net_wbio;
|
|
|
|
/* Initial peer L4 address. */
|
|
BIO_ADDR init_peer_addr;
|
|
|
|
# ifndef OPENSSL_NO_QUIC_THREAD_ASSIST
|
|
/* Manages thread for QUIC thread assisted mode. */
|
|
QUIC_THREAD_ASSIST thread_assist;
|
|
# endif
|
|
|
|
/* If non-NULL, used instead of ossl_time_now(). Used for testing. */
|
|
OSSL_TIME (*override_now_cb)(void *arg);
|
|
void *override_now_cb_arg;
|
|
|
|
/* Number of XSOs allocated. Includes the default XSO, if any. */
|
|
size_t num_xso;
|
|
|
|
/* Have we started? */
|
|
unsigned int started : 1;
|
|
|
|
/*
|
|
* This is 1 if we were instantiated using a QUIC server method
|
|
* (for future use).
|
|
*/
|
|
unsigned int as_server : 1;
|
|
|
|
/*
|
|
* Has the application called SSL_set_accept_state? We require this to be
|
|
* congruent with the value of as_server.
|
|
*/
|
|
unsigned int as_server_state : 1;
|
|
|
|
/* Are we using thread assisted mode? Never changes after init. */
|
|
unsigned int is_thread_assisted : 1;
|
|
|
|
/* Do connection-level operations (e.g. handshakes) run in blocking mode? */
|
|
unsigned int blocking : 1;
|
|
|
|
/* Does the application want blocking mode? */
|
|
unsigned int desires_blocking : 1;
|
|
|
|
/* Have we created a default XSO yet? */
|
|
unsigned int default_xso_created : 1;
|
|
|
|
/*
|
|
* Pre-TERMINATING shutdown phase in which we are flushing streams.
|
|
* Monotonically transitions to 1.
|
|
* New streams cannot be created in this state.
|
|
*/
|
|
unsigned int shutting_down : 1;
|
|
|
|
/* Have we probed the BIOs for addressing support? */
|
|
unsigned int addressing_probe_done : 1;
|
|
|
|
/* Are we using addressed mode (BIO_sendmmsg with non-NULL peer)? */
|
|
unsigned int addressed_mode_w : 1;
|
|
unsigned int addressed_mode_r : 1;
|
|
|
|
/* Default stream type. Defaults to SSL_DEFAULT_STREAM_MODE_AUTO_BIDI. */
|
|
uint32_t default_stream_mode;
|
|
|
|
/* SSL_set_mode. This is not used directly but inherited by new XSOs. */
|
|
uint32_t default_ssl_mode;
|
|
|
|
/* SSL_set_options. This is not used directly but inherited by new XSOs. */
|
|
uint64_t default_ssl_options;
|
|
|
|
/* SSL_set_incoming_stream_policy. */
|
|
int incoming_stream_policy;
|
|
uint64_t incoming_stream_aec;
|
|
|
|
/*
|
|
* Last 'normal' error during an app-level I/O operation, used by
|
|
* SSL_get_error(); used to track data-path errors like SSL_ERROR_WANT_READ
|
|
* and SSL_ERROR_WANT_WRITE.
|
|
*/
|
|
int last_error;
|
|
};
|
|
|
|
/* Internal calls to the QUIC CSM which come from various places. */
|
|
int ossl_quic_conn_on_handshake_confirmed(QUIC_CONNECTION *qc);
|
|
|
|
/*
|
|
* To be called when a protocol violation occurs. The connection is torn down
|
|
* with the given error code, which should be a QUIC_ERR_* value. Reason string
|
|
* is optional and copied if provided. frame_type should be 0 if not applicable.
|
|
*/
|
|
void ossl_quic_conn_raise_protocol_error(QUIC_CONNECTION *qc,
|
|
uint64_t error_code,
|
|
uint64_t frame_type,
|
|
const char *reason);
|
|
|
|
void ossl_quic_conn_on_remote_conn_close(QUIC_CONNECTION *qc,
|
|
OSSL_QUIC_FRAME_CONN_CLOSE *f);
|
|
|
|
int ossl_quic_trace(int write_p, int version, int content_type,
|
|
const void *buf, size_t msglen, SSL *ssl, void *arg);
|
|
|
|
# define OSSL_QUIC_ANY_VERSION 0xFFFFF
|
|
# define IS_QUIC_METHOD(m) \
|
|
((m) == OSSL_QUIC_client_method() || \
|
|
(m) == OSSL_QUIC_client_thread_method())
|
|
# define IS_QUIC_CTX(ctx) IS_QUIC_METHOD((ctx)->method)
|
|
|
|
# define QUIC_CONNECTION_FROM_SSL_int(ssl, c) \
|
|
((ssl) == NULL ? NULL \
|
|
: ((ssl)->type == SSL_TYPE_QUIC_CONNECTION \
|
|
? (c QUIC_CONNECTION *)(ssl) \
|
|
: NULL))
|
|
|
|
# define QUIC_XSO_FROM_SSL_int(ssl, c) \
|
|
((ssl) == NULL \
|
|
? NULL \
|
|
: (((ssl)->type == SSL_TYPE_QUIC_XSO \
|
|
? (c QUIC_XSO *)(ssl) \
|
|
: ((ssl)->type == SSL_TYPE_QUIC_CONNECTION \
|
|
? (c QUIC_XSO *)((QUIC_CONNECTION *)(ssl))->default_xso \
|
|
: NULL))))
|
|
|
|
# define SSL_CONNECTION_FROM_QUIC_SSL_int(ssl, c) \
|
|
((ssl) == NULL ? NULL \
|
|
: ((ssl)->type == SSL_TYPE_QUIC_CONNECTION \
|
|
? (c SSL_CONNECTION *)((c QUIC_CONNECTION *)(ssl))->tls \
|
|
: NULL))
|
|
|
|
# define IS_QUIC(ssl) ((ssl) != NULL \
|
|
&& ((ssl)->type == SSL_TYPE_QUIC_CONNECTION \
|
|
|| (ssl)->type == SSL_TYPE_QUIC_XSO))
|
|
# else
|
|
# define QUIC_CONNECTION_FROM_SSL_int(ssl, c) NULL
|
|
# define QUIC_XSO_FROM_SSL_int(ssl, c) NULL
|
|
# define SSL_CONNECTION_FROM_QUIC_SSL_int(ssl, c) NULL
|
|
# define IS_QUIC(ssl) 0
|
|
# define IS_QUIC_CTX(ctx) 0
|
|
# define IS_QUIC_METHOD(m) 0
|
|
# endif
|
|
|
|
# define QUIC_CONNECTION_FROM_SSL(ssl) \
|
|
QUIC_CONNECTION_FROM_SSL_int(ssl, SSL_CONNECTION_NO_CONST)
|
|
# define QUIC_CONNECTION_FROM_CONST_SSL(ssl) \
|
|
QUIC_CONNECTION_FROM_SSL_int(ssl, const)
|
|
# define QUIC_XSO_FROM_SSL(ssl) \
|
|
QUIC_XSO_FROM_SSL_int(ssl, SSL_CONNECTION_NO_CONST)
|
|
# define QUIC_XSO_FROM_CONST_SSL(ssl) \
|
|
QUIC_XSO_FROM_SSL_int(ssl, const)
|
|
# define SSL_CONNECTION_FROM_QUIC_SSL(ssl) \
|
|
SSL_CONNECTION_FROM_QUIC_SSL_int(ssl, SSL_CONNECTION_NO_CONST)
|
|
# define SSL_CONNECTION_FROM_CONST_QUIC_SSL(ssl) \
|
|
SSL_CONNECTION_FROM_CONST_QUIC_SSL_int(ssl, const)
|
|
|
|
# define IMPLEMENT_quic_meth_func(version, func_name, q_accept, \
|
|
q_connect, enc_data) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
version, \
|
|
0, \
|
|
0, \
|
|
ossl_quic_new, \
|
|
ossl_quic_free, \
|
|
ossl_quic_reset, \
|
|
ossl_quic_init, \
|
|
NULL /* clear */, \
|
|
ossl_quic_deinit, \
|
|
q_accept, \
|
|
q_connect, \
|
|
ossl_quic_read, \
|
|
ossl_quic_peek, \
|
|
ossl_quic_write, \
|
|
NULL /* shutdown */, \
|
|
NULL /* renegotiate */, \
|
|
ossl_quic_renegotiate_check, \
|
|
NULL /* read_bytes */, \
|
|
NULL /* write_bytes */, \
|
|
NULL /* dispatch_alert */, \
|
|
ossl_quic_ctrl, \
|
|
ossl_quic_ctx_ctrl, \
|
|
ossl_quic_get_cipher_by_char, \
|
|
NULL /* put_cipher_by_char */, \
|
|
ossl_quic_pending, \
|
|
ossl_quic_num_ciphers, \
|
|
ossl_quic_get_cipher, \
|
|
tls1_default_timeout, \
|
|
&enc_data, \
|
|
ssl_undefined_void_function, \
|
|
ossl_quic_callback_ctrl, \
|
|
ossl_quic_ctx_callback_ctrl, \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
#endif
|