mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
8481f583d3
Add the ossl_statem prefix to various funtions to avoid name clashes. Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org>
172 lines
8.0 KiB
C
172 lines
8.0 KiB
C
/* ssl/statem/statem_locl.h */
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
|
|
/*****************************************************************************
|
|
* *
|
|
* The following definitions are PRIVATE to the state machine. They should *
|
|
* NOT be used outside of the state machine. *
|
|
* *
|
|
*****************************************************************************/
|
|
|
|
/* Max message length definitions */
|
|
|
|
/* The spec allows for a longer length than this, but we limit it */
|
|
#define HELLO_VERIFY_REQUEST_MAX_LENGTH 258
|
|
#define SERVER_HELLO_MAX_LENGTH 20000
|
|
#define SERVER_KEY_EXCH_MAX_LENGTH 102400
|
|
#define SERVER_HELLO_DONE_MAX_LENGTH 0
|
|
#define CCS_MAX_LENGTH 1
|
|
/* Max should actually be 36 but we are generous */
|
|
#define FINISHED_MAX_LENGTH 64
|
|
|
|
/* Message processing return codes */
|
|
typedef enum {
|
|
/* Something bad happened */
|
|
MSG_PROCESS_ERROR,
|
|
/* We've finished reading - swap to writing */
|
|
MSG_PROCESS_FINISHED_READING,
|
|
/*
|
|
* We've completed the main processing of this message but there is some
|
|
* post processing to be done.
|
|
*/
|
|
MSG_PROCESS_CONTINUE_PROCESSING,
|
|
/* We've finished this message - read the next message */
|
|
MSG_PROCESS_CONTINUE_READING
|
|
} MSG_PROCESS_RETURN;
|
|
|
|
/* Flush the write BIO */
|
|
int statem_flush(SSL *s);
|
|
|
|
/*
|
|
* TLS/DTLS client state machine functions
|
|
*/
|
|
int ossl_statem_client_read_transition(SSL *s, int mt);
|
|
WRITE_TRAN ossl_statem_client_write_transition(SSL *s);
|
|
WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst);
|
|
WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst);
|
|
int ossl_statem_client_construct_message(SSL *s);
|
|
unsigned long ossl_statem_client_max_message_size(SSL *s);
|
|
MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt);
|
|
WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst);
|
|
|
|
/*
|
|
* TLS/DTLS server state machine functions
|
|
*/
|
|
int ossl_statem_server_read_transition(SSL *s, int mt);
|
|
WRITE_TRAN ossl_statem_server_write_transition(SSL *s);
|
|
WORK_STATE ossl_statem_server_pre_work(SSL *s, WORK_STATE wst);
|
|
WORK_STATE ossl_statem_server_post_work(SSL *s, WORK_STATE wst);
|
|
int ossl_statem_server_construct_message(SSL *s);
|
|
unsigned long ossl_statem_server_max_message_size(SSL *s);
|
|
MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL *s, PACKET *pkt);
|
|
WORK_STATE ossl_statem_server_post_process_message(SSL *s, WORK_STATE wst);
|
|
|
|
/* Functions for getting new message data */
|
|
__owur int tls_get_message_header(SSL *s, int *mt);
|
|
__owur int tls_get_message_body(SSL *s, unsigned long *len);
|
|
__owur int dtls_get_message(SSL *s, int *mt, unsigned long *len);
|
|
|
|
/* Message construction and processing functions */
|
|
__owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt);
|
|
__owur int tls_construct_change_cipher_spec(SSL *s);
|
|
__owur int dtls_construct_change_cipher_spec(SSL *s);
|
|
|
|
__owur int tls_construct_finished(SSL *s, const char *sender, int slen);
|
|
__owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst);
|
|
__owur WORK_STATE dtls_wait_for_dry(SSL *s);
|
|
|
|
/* some client-only functions */
|
|
__owur int tls_construct_client_hello(SSL *s);
|
|
__owur MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt);
|
|
__owur int tls_construct_client_verify(SSL *s);
|
|
__owur WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst);
|
|
__owur int tls_construct_client_certificate(SSL *s);
|
|
__owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
|
|
__owur int tls_construct_client_key_exchange(SSL *s);
|
|
__owur int tls_client_key_exchange_post_work(SSL *s);
|
|
__owur int tls_construct_cert_status(SSL *s);
|
|
__owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s,
|
|
PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt);
|
|
__owur int ssl3_check_cert_and_algorithm(SSL *s);
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
__owur int tls_construct_next_proto(SSL *s);
|
|
# endif
|
|
__owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt);
|
|
|
|
/* some server-only functions */
|
|
__owur MSG_PROCESS_RETURN tls_process_client_hello(SSL *s, PACKET *pkt);
|
|
__owur WORK_STATE tls_post_process_client_hello(SSL *s, WORK_STATE wst);
|
|
__owur int tls_construct_server_hello(SSL *s);
|
|
__owur int tls_construct_hello_request(SSL *s);
|
|
__owur int dtls_construct_hello_verify_request(SSL *s);
|
|
__owur int tls_construct_server_certificate(SSL *s);
|
|
__owur int tls_construct_server_key_exchange(SSL *s);
|
|
__owur int tls_construct_certificate_request(SSL *s);
|
|
__owur int tls_construct_server_done(SSL *s);
|
|
__owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL *s, PACKET *pkt);
|
|
__owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL *s, PACKET *pkt);
|
|
__owur WORK_STATE tls_post_process_client_key_exchange(SSL *s, WORK_STATE wst);
|
|
__owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt);
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
__owur MSG_PROCESS_RETURN tls_process_next_proto(SSL *s, PACKET *pkt);
|
|
# endif
|
|
__owur int tls_construct_new_session_ticket(SSL *s);
|