-/* ssl/statem/statem.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).
+/*
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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
*/
/*****************************************************************************
* *
- * These emums should be considered PRIVATE to the state machine. No *
+ * These enums should be considered PRIVATE to the state machine. No *
* non-state machine code should need to use these *
* *
*****************************************************************************/
* Valid return codes used for functions performing work prior to or after
* sending or receiving a message
*/
-enum WORK_STATE {
+typedef enum {
/* Something went wrong */
WORK_ERROR,
/* We're done working and there shouldn't be anything else to do after */
/* We're working on phase A */
WORK_MORE_A,
/* We're working on phase B */
- WORK_MORE_B
-};
+ WORK_MORE_B,
+ /* We're working on phase C */
+ WORK_MORE_C
+} WORK_STATE;
/* Write transition return codes */
-enum WRITE_TRAN {
+typedef enum {
/* Something went wrong */
WRITE_TRAN_ERROR,
/* A transition was successfully completed and we should continue */
WRITE_TRAN_CONTINUE,
/* There is no more write work to be done */
WRITE_TRAN_FINISHED
-};
+} WRITE_TRAN;
/* Message flow states */
-enum MSG_FLOW_STATE {
+typedef enum {
/* No handshake in progress */
MSG_FLOW_UNINITED,
/* A permanent error with this connection */
MSG_FLOW_ERROR,
- /* We are about to renegotiate */
- MSG_FLOW_RENEGOTIATE,
/* We are reading messages */
MSG_FLOW_READING,
/* We are writing messages */
MSG_FLOW_WRITING,
/* Handshake has finished */
MSG_FLOW_FINISHED
-};
+} MSG_FLOW_STATE;
/* Read states */
-enum READ_STATE {
+typedef enum {
READ_STATE_HEADER,
READ_STATE_BODY,
READ_STATE_POST_PROCESS
-};
+} READ_STATE;
/* Write states */
-enum WRITE_STATE {
+typedef enum {
WRITE_STATE_TRANSITION,
WRITE_STATE_PRE_WORK,
WRITE_STATE_SEND,
WRITE_STATE_POST_WORK
-};
-
+} WRITE_STATE;
/*****************************************************************************
* *
*****************************************************************************/
struct ossl_statem_st {
- enum MSG_FLOW_STATE state;
- enum WRITE_STATE write_state;
- enum WORK_STATE write_state_work;
- enum READ_STATE read_state;
- enum WORK_STATE read_state_work;
+ MSG_FLOW_STATE state;
+ WRITE_STATE write_state;
+ WORK_STATE write_state_work;
+ READ_STATE read_state;
+ WORK_STATE read_state_work;
OSSL_HANDSHAKE_STATE hand_state;
+ /* The handshake state requested by an API call (e.g. HelloRequest) */
+ OSSL_HANDSHAKE_STATE request_state;
int in_init;
int read_state_first_init;
-
/* true when we are actually in SSL_accept() or SSL_connect() */
int in_handshake;
-
+ /*
+ * True when are processing a "real" handshake that needs cleaning up (not
+ * just a HelloRequest or similar).
+ */
+ int cleanuphand;
/* Should we skip the CertificateVerify message? */
unsigned int no_cert_verify;
-
int use_timer;
#ifndef OPENSSL_NO_SCTP
int in_sctp_read_sock;
};
typedef struct ossl_statem_st OSSL_STATEM;
-
/*****************************************************************************
* *
* The following macros/functions represent the libssl internal API to the *
void ossl_statem_set_in_init(SSL *s, int init);
int ossl_statem_get_in_handshake(SSL *s);
void ossl_statem_set_in_handshake(SSL *s, int inhand);
+__owur int ossl_statem_skip_early_data(SSL *s);
void ossl_statem_set_hello_verify_done(SSL *s);
__owur int ossl_statem_app_data_allowed(SSL *s);
#ifndef OPENSSL_NO_SCTP
void ossl_statem_set_sctp_read_sock(SSL *s, int read_sock);
__owur int ossl_statem_in_sctp_read_sock(SSL *s);
#endif
-
-
+int ossl_statem_finish_early_data(SSL *s);
projects / openssl.git / blobdiff