reinstall

1 files changed, 0 insertions, 870 deletions

diff --git a/openssl/ssl/d1_clnt.c b/openssl/ssl/d1_clnt.c
deleted file mode 100644
index 7e2f5c2..0000000
--- a/openssl/ssl/d1_clnt.c
+++ /dev/null
@@ -1,870 +0,0 @@
-/* ssl/d1_clnt.c */
-/*
- * DTLS implementation written by Nagendra Modadugu
- * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
- */
-/* ====================================================================
- * Copyright (c) 1999-2007 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 (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include "ssl_locl.h"
-#ifndef OPENSSL_NO_KRB5
-# include "kssl_lcl.h"
-#endif
-#include <openssl/buffer.h>
-#include <openssl/rand.h>
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-#include <openssl/md5.h>
-#include <openssl/bn.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
-
-static const SSL_METHOD *dtls1_get_client_method(int ver);
-static int dtls1_get_hello_verify(SSL *s);
-
-static const SSL_METHOD *dtls1_get_client_method(int ver)
-{
-    if (ver == DTLS_ANY_VERSION)
-        return DTLS_client_method();
-    else if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
-        return DTLSv1_client_method();
-    else if (ver == DTLS1_2_VERSION)
-        return DTLSv1_2_client_method();
-    else
-        return NULL;
-}
-
-IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
-                          DTLSv1_client_method,
-                          ssl_undefined_function,
-                          dtls1_connect,
-                          dtls1_get_client_method, DTLSv1_enc_data)
-
-IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
-                          DTLSv1_2_client_method,
-                          ssl_undefined_function,
-                          dtls1_connect,
-                          dtls1_get_client_method, DTLSv1_2_enc_data)
-
-IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
-                          DTLS_client_method,
-                          ssl_undefined_function,
-                          dtls1_connect,
-                          dtls1_get_client_method, DTLSv1_2_enc_data)
-
-int dtls1_connect(SSL *s)
-{
-    BUF_MEM *buf = NULL;
-    unsigned long Time = (unsigned long)time(NULL);
-    void (*cb) (const SSL *ssl, int type, int val) = NULL;
-    int ret = -1;
-    int new_state, state, skip = 0;
-#ifndef OPENSSL_NO_SCTP
-    unsigned char sctpauthkey[64];
-    char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
-#endif
-
-    RAND_add(&Time, sizeof(Time), 0);
-    ERR_clear_error();
-    clear_sys_error();
-
-    if (s->info_callback != NULL)
-        cb = s->info_callback;
-    else if (s->ctx->info_callback != NULL)
-        cb = s->ctx->info_callback;
-
-    s->in_handshake++;
-    if (!SSL_in_init(s) || SSL_in_before(s))
-        SSL_clear(s);
-
-#ifndef OPENSSL_NO_SCTP
-    /*
-     * Notify SCTP BIO socket to enter handshake mode and prevent stream
-     * identifier other than 0. Will be ignored if no SCTP is used.
-     */
-    BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE,
-             s->in_handshake, NULL);
-#endif
-
-#ifndef OPENSSL_NO_HEARTBEATS
-    /*
-     * If we're awaiting a HeartbeatResponse, pretend we already got and
-     * don't await it anymore, because Heartbeats don't make sense during
-     * handshakes anyway.
-     */
-    if (s->tlsext_hb_pending) {
-        dtls1_stop_timer(s);
-        s->tlsext_hb_pending = 0;
-        s->tlsext_hb_seq++;
-    }
-#endif
-
-    for (;;) {
-        state = s->state;
-
-        switch (s->state) {
-        case SSL_ST_RENEGOTIATE:
-            s->renegotiate = 1;
-            s->state = SSL_ST_CONNECT;
-            s->ctx->stats.sess_connect_renegotiate++;
-            /* break */
-        case SSL_ST_BEFORE:
-        case SSL_ST_CONNECT:
-        case SSL_ST_BEFORE | SSL_ST_CONNECT:
-        case SSL_ST_OK | SSL_ST_CONNECT:
-
-            s->server = 0;
-            if (cb != NULL)
-                cb(s, SSL_CB_HANDSHAKE_START, 1);
-
-            if ((s->version & 0xff00) != (DTLS1_VERSION & 0xff00) &&
-                (s->version & 0xff00) != (DTLS1_BAD_VER & 0xff00)) {
-                SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-
-            /* s->version=SSL3_VERSION; */
-            s->type = SSL_ST_CONNECT;
-
-            if (s->init_buf == NULL) {
-                if ((buf = BUF_MEM_new()) == NULL) {
-                    ret = -1;
-                    s->state = SSL_ST_ERR;
-                    goto end;
-                }
-                if (!BUF_MEM_grow(buf, SSL3_RT_MAX_PLAIN_LENGTH)) {
-                    ret = -1;
-                    s->state = SSL_ST_ERR;
-                    goto end;
-                }
-                s->init_buf = buf;
-                buf = NULL;
-            }
-
-            if (!ssl3_setup_buffers(s)) {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-
-            /* setup buffing BIO */
-            if (!ssl_init_wbio_buffer(s, 0)) {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-
-            /* don't push the buffering BIO quite yet */
-
-            s->state = SSL3_ST_CW_CLNT_HELLO_A;
-            s->ctx->stats.sess_connect++;
-            s->init_num = 0;
-            /* mark client_random uninitialized */
-            memset(s->s3->client_random, 0, sizeof(s->s3->client_random));
-            s->d1->send_cookie = 0;
-            s->hit = 0;
-            s->d1->change_cipher_spec_ok = 0;
-            /*
-             * Should have been reset by ssl3_get_finished, too.
-             */
-            s->s3->change_cipher_spec = 0;
-            break;
-
-#ifndef OPENSSL_NO_SCTP
-        case DTLS1_SCTP_ST_CR_READ_SOCK:
-
-            if (BIO_dgram_sctp_msg_waiting(SSL_get_rbio(s))) {
-                s->s3->in_read_app_data = 2;
-                s->rwstate = SSL_READING;
-                BIO_clear_retry_flags(SSL_get_rbio(s));
-                BIO_set_retry_read(SSL_get_rbio(s));
-                ret = -1;
-                goto end;
-            }
-
-            s->state = s->s3->tmp.next_state;
-            break;
-
-        case DTLS1_SCTP_ST_CW_WRITE_SOCK:
-            /* read app data until dry event */
-
-            ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(s));
-            if (ret < 0)
-                goto end;
-
-            if (ret == 0) {
-                s->s3->in_read_app_data = 2;
-                s->rwstate = SSL_READING;
-                BIO_clear_retry_flags(SSL_get_rbio(s));
-                BIO_set_retry_read(SSL_get_rbio(s));
-                ret = -1;
-                goto end;
-            }
-
-            s->state = s->d1->next_state;
-            break;
-#endif
-
-        case SSL3_ST_CW_CLNT_HELLO_A:
-            s->shutdown = 0;
-
-            /* every DTLS ClientHello resets Finished MAC */
-            ssl3_init_finished_mac(s);
-
-        case SSL3_ST_CW_CLNT_HELLO_B:
-            dtls1_start_timer(s);
-            ret = ssl3_client_hello(s);
-            if (ret <= 0)
-                goto end;
-
-            if (s->d1->send_cookie) {
-                s->state = SSL3_ST_CW_FLUSH;
-                s->s3->tmp.next_state = SSL3_ST_CR_SRVR_HELLO_A;
-            } else
-                s->state = SSL3_ST_CR_SRVR_HELLO_A;
-
-            s->init_num = 0;
-
-#ifndef OPENSSL_NO_SCTP
-            /* Disable buffering for SCTP */
-            if (!BIO_dgram_is_sctp(SSL_get_wbio(s))) {
-#endif
-                /*
-                 * turn on buffering for the next lot of output
-                 */
-                if (s->bbio != s->wbio)
-                    s->wbio = BIO_push(s->bbio, s->wbio);
-#ifndef OPENSSL_NO_SCTP
-            }
-#endif
-
-            break;
-
-        case SSL3_ST_CR_SRVR_HELLO_A:
-        case SSL3_ST_CR_SRVR_HELLO_B:
-            ret = ssl3_get_server_hello(s);
-            if (ret <= 0)
-                goto end;
-            else {
-                if (s->hit) {
-#ifndef OPENSSL_NO_SCTP
-                    /*
-                     * Add new shared key for SCTP-Auth, will be ignored if
-                     * no SCTP used.
-                     */
-                    snprintf((char *)labelbuffer,
-                             sizeof(DTLS1_SCTP_AUTH_LABEL),
-                             DTLS1_SCTP_AUTH_LABEL);
-
-                    if (SSL_export_keying_material(s, sctpauthkey,
-                                               sizeof(sctpauthkey),
-                                               labelbuffer,
-                                               sizeof(labelbuffer), NULL, 0,
-                                               0) <= 0) {
-                        ret = -1;
-                        s->state = SSL_ST_ERR;
-                        goto end;
-                    }
-
-                    BIO_ctrl(SSL_get_wbio(s),
-                             BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
-                             sizeof(sctpauthkey), sctpauthkey);
-#endif
-
-                    s->state = SSL3_ST_CR_FINISHED_A;
-                    if (s->tlsext_ticket_expected) {
-                        /* receive renewed session ticket */
-                        s->state = SSL3_ST_CR_SESSION_TICKET_A;
-                    }
-                } else
-                    s->state = DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A;
-            }
-            s->init_num = 0;
-            break;
-
-        case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
-        case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
-
-            ret = dtls1_get_hello_verify(s);
-            if (ret <= 0)
-                goto end;
-            dtls1_stop_timer(s);
-            if (s->d1->send_cookie) /* start again, with a cookie */
-                s->state = SSL3_ST_CW_CLNT_HELLO_A;
-            else
-                s->state = SSL3_ST_CR_CERT_A;
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CR_CERT_A:
-        case SSL3_ST_CR_CERT_B:
-            /* Check if it is anon DH or PSK */
-            if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
-                !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) {
-                ret = ssl3_get_server_certificate(s);
-                if (ret <= 0)
-                    goto end;
-#ifndef OPENSSL_NO_TLSEXT
-                if (s->tlsext_status_expected)
-                    s->state = SSL3_ST_CR_CERT_STATUS_A;
-                else
-                    s->state = SSL3_ST_CR_KEY_EXCH_A;
-            } else {
-                skip = 1;
-                s->state = SSL3_ST_CR_KEY_EXCH_A;
-            }
-#else
-            } else
-                skip = 1;
-
-            s->state = SSL3_ST_CR_KEY_EXCH_A;
-#endif
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CR_KEY_EXCH_A:
-        case SSL3_ST_CR_KEY_EXCH_B:
-            ret = ssl3_get_key_exchange(s);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CR_CERT_REQ_A;
-            s->init_num = 0;
-
-            /*
-             * at this point we check that we have the required stuff from
-             * the server
-             */
-            if (!ssl3_check_cert_and_algorithm(s)) {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-            break;
-
-        case SSL3_ST_CR_CERT_REQ_A:
-        case SSL3_ST_CR_CERT_REQ_B:
-            ret = ssl3_get_certificate_request(s);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CR_SRVR_DONE_A;
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CR_SRVR_DONE_A:
-        case SSL3_ST_CR_SRVR_DONE_B:
-            ret = ssl3_get_server_done(s);
-            if (ret <= 0)
-                goto end;
-            dtls1_stop_timer(s);
-            if (s->s3->tmp.cert_req)
-                s->s3->tmp.next_state = SSL3_ST_CW_CERT_A;
-            else
-                s->s3->tmp.next_state = SSL3_ST_CW_KEY_EXCH_A;
-            s->init_num = 0;
-
-#ifndef OPENSSL_NO_SCTP
-            if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
-                state == SSL_ST_RENEGOTIATE)
-                s->state = DTLS1_SCTP_ST_CR_READ_SOCK;
-            else
-#endif
-                s->state = s->s3->tmp.next_state;
-            break;
-
-        case SSL3_ST_CW_CERT_A:
-        case SSL3_ST_CW_CERT_B:
-        case SSL3_ST_CW_CERT_C:
-        case SSL3_ST_CW_CERT_D:
-            dtls1_start_timer(s);
-            ret = ssl3_send_client_certificate(s);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CW_KEY_EXCH_A;
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CW_KEY_EXCH_A:
-        case SSL3_ST_CW_KEY_EXCH_B:
-            dtls1_start_timer(s);
-            ret = ssl3_send_client_key_exchange(s);
-            if (ret <= 0)
-                goto end;
-
-#ifndef OPENSSL_NO_SCTP
-            /*
-             * Add new shared key for SCTP-Auth, will be ignored if no SCTP
-             * used.
-             */
-            snprintf((char *)labelbuffer, sizeof(DTLS1_SCTP_AUTH_LABEL),
-                     DTLS1_SCTP_AUTH_LABEL);
-
-            if (SSL_export_keying_material(s, sctpauthkey,
-                                       sizeof(sctpauthkey), labelbuffer,
-                                       sizeof(labelbuffer), NULL, 0, 0) <= 0) {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-
-            BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
-                     sizeof(sctpauthkey), sctpauthkey);
-#endif
-
-            /*
-             * EAY EAY EAY need to check for DH fix cert sent back
-             */
-            /*
-             * For TLS, cert_req is set to 2, so a cert chain of nothing is
-             * sent, but no verify packet is sent
-             */
-            if (s->s3->tmp.cert_req == 1) {
-                s->state = SSL3_ST_CW_CERT_VRFY_A;
-            } else {
-#ifndef OPENSSL_NO_SCTP
-                if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
-                    s->d1->next_state = SSL3_ST_CW_CHANGE_A;
-                    s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
-                } else
-#endif
-                    s->state = SSL3_ST_CW_CHANGE_A;
-            }
-
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CW_CERT_VRFY_A:
-        case SSL3_ST_CW_CERT_VRFY_B:
-            dtls1_start_timer(s);
-            ret = ssl3_send_client_verify(s);
-            if (ret <= 0)
-                goto end;
-#ifndef OPENSSL_NO_SCTP
-            if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
-                s->d1->next_state = SSL3_ST_CW_CHANGE_A;
-                s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
-            } else
-#endif
-                s->state = SSL3_ST_CW_CHANGE_A;
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CW_CHANGE_A:
-        case SSL3_ST_CW_CHANGE_B:
-            if (!s->hit)
-                dtls1_start_timer(s);
-            ret = dtls1_send_change_cipher_spec(s,
-                                                SSL3_ST_CW_CHANGE_A,
-                                                SSL3_ST_CW_CHANGE_B);
-            if (ret <= 0)
-                goto end;
-
-            s->state = SSL3_ST_CW_FINISHED_A;
-            s->init_num = 0;
-
-            s->session->cipher = s->s3->tmp.new_cipher;
-#ifdef OPENSSL_NO_COMP
-            s->session->compress_meth = 0;
-#else
-            if (s->s3->tmp.new_compression == NULL)
-                s->session->compress_meth = 0;
-            else
-                s->session->compress_meth = s->s3->tmp.new_compression->id;
-#endif
-            if (!s->method->ssl3_enc->setup_key_block(s)) {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-
-            if (!s->method->ssl3_enc->change_cipher_state(s,
-                                                          SSL3_CHANGE_CIPHER_CLIENT_WRITE))
-            {
-                ret = -1;
-                s->state = SSL_ST_ERR;
-                goto end;
-            }
-#ifndef OPENSSL_NO_SCTP
-            if (s->hit) {
-                /*
-                 * Change to new shared key of SCTP-Auth, will be ignored if
-                 * no SCTP used.
-                 */
-                BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
-                         0, NULL);
-            }
-#endif
-
-            dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
-            break;
-
-        case SSL3_ST_CW_FINISHED_A:
-        case SSL3_ST_CW_FINISHED_B:
-            if (!s->hit)
-                dtls1_start_timer(s);
-            ret = ssl3_send_finished(s,
-                                     SSL3_ST_CW_FINISHED_A,
-                                     SSL3_ST_CW_FINISHED_B,
-                                     s->method->
-                                     ssl3_enc->client_finished_label,
-                                     s->method->
-                                     ssl3_enc->client_finished_label_len);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CW_FLUSH;
-
-            /* clear flags */
-            s->s3->flags &= ~SSL3_FLAGS_POP_BUFFER;
-            if (s->hit) {
-                s->s3->tmp.next_state = SSL_ST_OK;
-#ifndef OPENSSL_NO_SCTP
-                if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
-                    s->d1->next_state = s->s3->tmp.next_state;
-                    s->s3->tmp.next_state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
-                }
-#endif
-                if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED) {
-                    s->state = SSL_ST_OK;
-#ifndef OPENSSL_NO_SCTP
-                    if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
-                        s->d1->next_state = SSL_ST_OK;
-                        s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
-                    }
-#endif
-                    s->s3->flags |= SSL3_FLAGS_POP_BUFFER;
-                    s->s3->delay_buf_pop_ret = 0;
-                }
-            } else {
-#ifndef OPENSSL_NO_SCTP
-                /*
-                 * Change to new shared key of SCTP-Auth, will be ignored if
-                 * no SCTP used.
-                 */
-                BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
-                         0, NULL);
-#endif
-
-#ifndef OPENSSL_NO_TLSEXT
-                /*
-                 * Allow NewSessionTicket if ticket expected
-                 */
-                if (s->tlsext_ticket_expected)
-                    s->s3->tmp.next_state = SSL3_ST_CR_SESSION_TICKET_A;
-                else
-#endif
-
-                    s->s3->tmp.next_state = SSL3_ST_CR_FINISHED_A;
-            }
-            s->init_num = 0;
-            break;
-
-#ifndef OPENSSL_NO_TLSEXT
-        case SSL3_ST_CR_SESSION_TICKET_A:
-        case SSL3_ST_CR_SESSION_TICKET_B:
-            ret = ssl3_get_new_session_ticket(s);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CR_FINISHED_A;
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CR_CERT_STATUS_A:
-        case SSL3_ST_CR_CERT_STATUS_B:
-            ret = ssl3_get_cert_status(s);
-            if (ret <= 0)
-                goto end;
-            s->state = SSL3_ST_CR_KEY_EXCH_A;
-            s->init_num = 0;
-            break;
-#endif
-
-        case SSL3_ST_CR_FINISHED_A:
-        case SSL3_ST_CR_FINISHED_B:
-            s->d1->change_cipher_spec_ok = 1;
-            ret = ssl3_get_finished(s, SSL3_ST_CR_FINISHED_A,
-                                    SSL3_ST_CR_FINISHED_B);
-            if (ret <= 0)
-                goto end;
-            dtls1_stop_timer(s);
-
-            if (s->hit)
-                s->state = SSL3_ST_CW_CHANGE_A;
-            else
-                s->state = SSL_ST_OK;
-
-#ifndef OPENSSL_NO_SCTP
-            if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
-                state == SSL_ST_RENEGOTIATE) {
-                s->d1->next_state = s->state;
-                s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
-            }
-#endif
-
-            s->init_num = 0;
-            break;
-
-        case SSL3_ST_CW_FLUSH:
-            s->rwstate = SSL_WRITING;
-            if (BIO_flush(s->wbio) <= 0) {
-                /*
-                 * If the write error was fatal, stop trying
-                 */
-                if (!BIO_should_retry(s->wbio)) {
-                    s->rwstate = SSL_NOTHING;
-                    s->state = s->s3->tmp.next_state;
-                }
-
-                ret = -1;
-                goto end;
-            }
-            s->rwstate = SSL_NOTHING;
-            s->state = s->s3->tmp.next_state;
-            break;
-
-        case SSL_ST_OK:
-            /* clean a few things up */
-            ssl3_cleanup_key_block(s);
-
-#if 0
-            if (s->init_buf != NULL) {
-                BUF_MEM_free(s->init_buf);
-                s->init_buf = NULL;
-            }
-#endif
-
-            /*
-             * If we are not 'joining' the last two packets, remove the
-             * buffering now
-             */
-            if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
-                ssl_free_wbio_buffer(s);
-            /* else do it later in ssl3_write */
-
-            s->init_num = 0;
-            s->renegotiate = 0;
-            s->new_session = 0;
-
-            ssl_update_cache(s, SSL_SESS_CACHE_CLIENT);
-            if (s->hit)
-                s->ctx->stats.sess_hit++;
-
-            ret = 1;
-            /* s->server=0; */
-            s->handshake_func = dtls1_connect;
-            s->ctx->stats.sess_connect_good++;
-
-            if (cb != NULL)
-                cb(s, SSL_CB_HANDSHAKE_DONE, 1);
-
-            /* done with handshaking */
-            s->d1->handshake_read_seq = 0;
-            s->d1->next_handshake_write_seq = 0;
-            dtls1_clear_received_buffer(s);
-            goto end;
-            /* break; */
-
-        case SSL_ST_ERR:
-        default:
-            SSLerr(SSL_F_DTLS1_CONNECT, SSL_R_UNKNOWN_STATE);
-            ret = -1;
-            goto end;
-            /* break; */
-        }
-
-        /* did we do anything */
-        if (!s->s3->tmp.reuse_message && !skip) {
-            if (s->debug) {
-                if ((ret = BIO_flush(s->wbio)) <= 0)
-                    goto end;
-            }
-
-            if ((cb != NULL) && (s->state != state)) {
-                new_state = s->state;
-                s->state = state;
-                cb(s, SSL_CB_CONNECT_LOOP, 1);
-                s->state = new_state;
-            }
-        }
-        skip = 0;
-    }
- end:
-    s->in_handshake--;
-
-#ifndef OPENSSL_NO_SCTP
-    /*
-     * Notify SCTP BIO socket to leave handshake mode and allow stream
-     * identifier other than 0. Will be ignored if no SCTP is used.
-     */
-    BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE,
-             s->in_handshake, NULL);
-#endif
-
-    if (buf != NULL)
-        BUF_MEM_free(buf);
-    if (cb != NULL)
-        cb(s, SSL_CB_CONNECT_EXIT, ret);
-    return (ret);
-}
-
-static int dtls1_get_hello_verify(SSL *s)
-{
-    int n, al, ok = 0;
-    unsigned char *data;
-    unsigned int cookie_len;
-
-    s->first_packet = 1;
-    n = s->method->ssl_get_message(s,
-                                   DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A,
-                                   DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B,
-                                   -1, s->max_cert_list, &ok);
-    s->first_packet = 0;
-
-    if (!ok)
-        return ((int)n);
-
-    if (s->s3->tmp.message_type != DTLS1_MT_HELLO_VERIFY_REQUEST) {
-        s->d1->send_cookie = 0;
-        s->s3->tmp.reuse_message = 1;
-        return (1);
-    }
-
-    data = (unsigned char *)s->init_msg;
-#if 0
-    if (s->method->version != DTLS_ANY_VERSION &&
-        ((data[0] != (s->version >> 8)) || (data[1] != (s->version & 0xff))))
-    {
-        SSLerr(SSL_F_DTLS1_GET_HELLO_VERIFY, SSL_R_WRONG_SSL_VERSION);
-        s->version = (s->version & 0xff00) | data[1];
-        al = SSL_AD_PROTOCOL_VERSION;
-        goto f_err;
-    }
-#endif
-    data += 2;
-
-    cookie_len = *(data++);
-    if (cookie_len > sizeof(s->d1->cookie)) {
-        al = SSL_AD_ILLEGAL_PARAMETER;
-        goto f_err;
-    }
-
-    memcpy(s->d1->cookie, data, cookie_len);
-    s->d1->cookie_len = cookie_len;
-
-    s->d1->send_cookie = 1;
-    return 1;
-
- f_err:
-    ssl3_send_alert(s, SSL3_AL_FATAL, al);
-    s->state = SSL_ST_ERR;
-    return -1;
-}