349807608f
This was done by the following find . -name '*.[ch]' | /tmp/pl where /tmp/pl is the following three-line script: print unless $. == 1 && m@/\* .*\.[ch] \*/@; close ARGV if eof; # Close file to reset $. And then some hand-editing of other files. Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
170 lines
8 KiB
C
170 lines
8 KiB
C
/* ====================================================================
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* Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/*****************************************************************************
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* *
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* The following definitions are PRIVATE to the state machine. They should *
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* NOT be used outside of the state machine. *
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* *
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*****************************************************************************/
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/* Max message length definitions */
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/* The spec allows for a longer length than this, but we limit it */
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#define HELLO_VERIFY_REQUEST_MAX_LENGTH 258
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#define SERVER_HELLO_MAX_LENGTH 20000
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#define SERVER_KEY_EXCH_MAX_LENGTH 102400
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#define SERVER_HELLO_DONE_MAX_LENGTH 0
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#define CCS_MAX_LENGTH 1
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/* Max should actually be 36 but we are generous */
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#define FINISHED_MAX_LENGTH 64
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/* Message processing return codes */
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typedef enum {
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/* Something bad happened */
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MSG_PROCESS_ERROR,
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/* We've finished reading - swap to writing */
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MSG_PROCESS_FINISHED_READING,
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/*
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* We've completed the main processing of this message but there is some
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* post processing to be done.
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*/
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MSG_PROCESS_CONTINUE_PROCESSING,
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/* We've finished this message - read the next message */
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MSG_PROCESS_CONTINUE_READING
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} MSG_PROCESS_RETURN;
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/* Flush the write BIO */
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int statem_flush(SSL *s);
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/*
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* TLS/DTLS client state machine functions
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*/
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int ossl_statem_client_read_transition(SSL *s, int mt);
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WRITE_TRAN ossl_statem_client_write_transition(SSL *s);
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WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst);
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WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst);
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int ossl_statem_client_construct_message(SSL *s);
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unsigned long ossl_statem_client_max_message_size(SSL *s);
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MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt);
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WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst);
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/*
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* TLS/DTLS server state machine functions
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*/
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int ossl_statem_server_read_transition(SSL *s, int mt);
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WRITE_TRAN ossl_statem_server_write_transition(SSL *s);
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WORK_STATE ossl_statem_server_pre_work(SSL *s, WORK_STATE wst);
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WORK_STATE ossl_statem_server_post_work(SSL *s, WORK_STATE wst);
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int ossl_statem_server_construct_message(SSL *s);
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unsigned long ossl_statem_server_max_message_size(SSL *s);
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MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL *s, PACKET *pkt);
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WORK_STATE ossl_statem_server_post_process_message(SSL *s, WORK_STATE wst);
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/* Functions for getting new message data */
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__owur int tls_get_message_header(SSL *s, int *mt);
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__owur int tls_get_message_body(SSL *s, unsigned long *len);
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__owur int dtls_get_message(SSL *s, int *mt, unsigned long *len);
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/* Message construction and processing functions */
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__owur MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_finished(SSL *s, PACKET *pkt);
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__owur int tls_construct_change_cipher_spec(SSL *s);
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__owur int dtls_construct_change_cipher_spec(SSL *s);
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__owur int tls_construct_finished(SSL *s, const char *sender, int slen);
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__owur WORK_STATE tls_finish_handshake(SSL *s, WORK_STATE wst);
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__owur WORK_STATE dtls_wait_for_dry(SSL *s);
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/* some client-only functions */
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__owur int tls_construct_client_hello(SSL *s);
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__owur MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt);
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__owur int tls_construct_client_verify(SSL *s);
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__owur WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst);
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__owur int tls_construct_client_certificate(SSL *s);
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__owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
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__owur int tls_construct_client_key_exchange(SSL *s);
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__owur int tls_client_key_exchange_post_work(SSL *s);
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__owur int tls_construct_cert_status(SSL *s);
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__owur MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s,
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PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt);
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__owur int ssl3_check_cert_and_algorithm(SSL *s);
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# ifndef OPENSSL_NO_NEXTPROTONEG
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__owur int tls_construct_next_proto(SSL *s);
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# endif
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__owur MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt);
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/* some server-only functions */
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__owur MSG_PROCESS_RETURN tls_process_client_hello(SSL *s, PACKET *pkt);
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__owur WORK_STATE tls_post_process_client_hello(SSL *s, WORK_STATE wst);
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__owur int tls_construct_server_hello(SSL *s);
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__owur int tls_construct_hello_request(SSL *s);
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__owur int dtls_construct_hello_verify_request(SSL *s);
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__owur int tls_construct_server_certificate(SSL *s);
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__owur int tls_construct_server_key_exchange(SSL *s);
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__owur int tls_construct_certificate_request(SSL *s);
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__owur int tls_construct_server_done(SSL *s);
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__owur MSG_PROCESS_RETURN tls_process_client_certificate(SSL *s, PACKET *pkt);
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__owur MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL *s, PACKET *pkt);
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__owur WORK_STATE tls_post_process_client_key_exchange(SSL *s, WORK_STATE wst);
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__owur MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt);
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# ifndef OPENSSL_NO_NEXTPROTONEG
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__owur MSG_PROCESS_RETURN tls_process_next_proto(SSL *s, PACKET *pkt);
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# endif
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__owur int tls_construct_new_session_ticket(SSL *s);
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