Flatten OpenSSL vendor tree.

1 files changed, 0 insertions, 1143 deletions

diff --git a/crypto/openssl/ssl/d1_clnt.c b/crypto/openssl/ssl/d1_clnt.c
deleted file mode 100644
index e8b60a4..0000000
--- a/crypto/openssl/ssl/d1_clnt.c
+++ /dev/null
@@ -1,1143 +0,0 @@
-/* ssl/d1_clnt.c */
-/* 
- * DTLS implementation written by Nagendra Modadugu
- * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  
- */
-/* ====================================================================
- * Copyright (c) 1999-2005 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"
-#include "kssl_lcl.h"
-#include <openssl/buffer.h>
-#include <openssl/rand.h>
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-#include <openssl/md5.h>
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-
-static SSL_METHOD *dtls1_get_client_method(int ver);
-static int dtls1_get_hello_verify(SSL *s);
-
-static SSL_METHOD *dtls1_get_client_method(int ver)
-	{
-	if (ver == DTLS1_VERSION)
-		return(DTLSv1_client_method());
-	else
-		return(NULL);
-	}
-
-IMPLEMENT_dtls1_meth_func(DTLSv1_client_method,
-			ssl_undefined_function,
-			dtls1_connect,
-			dtls1_get_client_method)
-
-int dtls1_connect(SSL *s)
-	{
-	BUF_MEM *buf=NULL;
-	unsigned long Time=(unsigned long)time(NULL),l;
-	long num1;
-	void (*cb)(const SSL *ssl,int type,int val)=NULL;
-	int ret= -1;
-	int new_state,state,skip=0;;
-
-	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); 
-
-	for (;;)
-		{
-		state=s->state;
-
-		switch(s->state)
-			{
-		case SSL_ST_RENEGOTIATE:
-			s->new_session=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))
-				{
-				SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
-				ret = -1;
-				goto end;
-				}
-				
-			/* s->version=SSL3_VERSION; */
-			s->type=SSL_ST_CONNECT;
-
-			if (s->init_buf == NULL)
-				{
-				if ((buf=BUF_MEM_new()) == NULL)
-					{
-					ret= -1;
-					goto end;
-					}
-				if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
-					{
-					ret= -1;
-					goto end;
-					}
-				s->init_buf=buf;
-				buf=NULL;
-				}
-
-			if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
-
-			/* setup buffing BIO */
-			if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
-
-			/* don't push the buffering BIO quite yet */
-
-			ssl3_init_finished_mac(s);
-
-			s->state=SSL3_ST_CW_CLNT_HELLO_A;
-			s->ctx->stats.sess_connect++;
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_CLNT_HELLO_A:
-		case SSL3_ST_CW_CLNT_HELLO_B:
-
-			s->shutdown=0;
-			ret=dtls1_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;
-
-			/* turn on buffering for the next lot of output */
-			if (s->bbio != s->wbio)
-				s->wbio=BIO_push(s->bbio,s->wbio);
-
-			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)
-					s->state=SSL3_ST_CR_FINISHED_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;
-			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 */
-			if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
-				{
-				ret=ssl3_get_server_certificate(s);
-				if (ret <= 0) goto end;
-				}
-			else
-				skip=1;
-			s->state=SSL3_ST_CR_KEY_EXCH_A;
-			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;
-				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;
-			if (s->s3->tmp.cert_req)
-				s->state=SSL3_ST_CW_CERT_A;
-			else
-				s->state=SSL3_ST_CW_KEY_EXCH_A;
-			s->init_num=0;
-
-			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:
-			ret=dtls1_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:
-			ret=dtls1_send_client_key_exchange(s);
-			if (ret <= 0) goto end;
-			l=s->s3->tmp.new_cipher->algorithms;
-			/* 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
-				{
-				s->state=SSL3_ST_CW_CHANGE_A;
-				s->s3->change_cipher_spec=0;
-				}
-
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_CERT_VRFY_A:
-		case SSL3_ST_CW_CERT_VRFY_B:
-			ret=dtls1_send_client_verify(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CW_CHANGE_A;
-			s->init_num=0;
-			s->s3->change_cipher_spec=0;
-			break;
-
-		case SSL3_ST_CW_CHANGE_A:
-		case SSL3_ST_CW_CHANGE_B:
-			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;
-				goto end;
-				}
-
-			if (!s->method->ssl3_enc->change_cipher_state(s,
-				SSL3_CHANGE_CIPHER_CLIENT_WRITE))
-				{
-				ret= -1;
-				goto end;
-				}
-			
-			dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
-			break;
-
-		case SSL3_ST_CW_FINISHED_A:
-		case SSL3_ST_CW_FINISHED_B:
-			ret=dtls1_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;
-				if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
-					{
-					s->state=SSL_ST_OK;
-					s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
-					s->s3->delay_buf_pop_ret=0;
-					}
-				}
-			else
-				{
-				s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
-				}
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CR_FINISHED_A:
-		case SSL3_ST_CR_FINISHED_B:
-
-			ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
-				SSL3_ST_CR_FINISHED_B);
-			if (ret <= 0) goto end;
-
-			if (s->hit)
-				s->state=SSL3_ST_CW_CHANGE_A;
-			else
-				s->state=SSL_ST_OK;
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_FLUSH:
-			/* number of bytes to be flushed */
-			num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
-			if (num1 > 0)
-				{
-				s->rwstate=SSL_WRITING;
-				num1=BIO_flush(s->wbio);
-				if (num1 <= 0) { 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->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;
-			goto end;
-			/* break; */
-			
-		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--;
-	if (buf != NULL)
-		BUF_MEM_free(buf);
-	if (cb != NULL)
-		cb(s,SSL_CB_CONNECT_EXIT,ret);
-	return(ret);
-	}
-
-int dtls1_client_hello(SSL *s)
-	{
-	unsigned char *buf;
-	unsigned char *p,*d;
-	unsigned int i,j;
-	unsigned long Time,l;
-	SSL_COMP *comp;
-
-	buf=(unsigned char *)s->init_buf->data;
-	if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
-		{
-		if ((s->session == NULL) ||
-			(s->session->ssl_version != s->version) ||
-			(s->session->not_resumable))
-			{
-			if (!ssl_get_new_session(s,0))
-				goto err;
-			}
-		/* else use the pre-loaded session */
-
-		p=s->s3->client_random;
-		Time=(unsigned long)time(NULL);			/* Time */
-		l2n(Time,p);
-		RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-sizeof(Time));
-
-		/* Do the message type and length last */
-		d=p= &(buf[DTLS1_HM_HEADER_LENGTH]);
-
-		*(p++)=s->version>>8;
-		*(p++)=s->version&0xff;
-		s->client_version=s->version;
-
-		/* Random stuff */
-		memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
-		p+=SSL3_RANDOM_SIZE;
-
-		/* Session ID */
-		if (s->new_session)
-			i=0;
-		else
-			i=s->session->session_id_length;
-		*(p++)=i;
-		if (i != 0)
-			{
-			if (i > sizeof s->session->session_id)
-				{
-				SSLerr(SSL_F_DTLS1_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
-				goto err;
-				}
-			memcpy(p,s->session->session_id,i);
-			p+=i;
-			}
-		
-		/* cookie stuff */
-		if ( s->d1->cookie_len > sizeof(s->d1->cookie))
-			{
-			SSLerr(SSL_F_DTLS1_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-		*(p++) = s->d1->cookie_len;
-		memcpy(p, s->d1->cookie, s->d1->cookie_len);
-		p += s->d1->cookie_len;
-
-		/* Ciphers supported */
-		i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
-		if (i == 0)
-			{
-			SSLerr(SSL_F_DTLS1_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
-			goto err;
-			}
-		s2n(i,p);
-		p+=i;
-
-		/* COMPRESSION */
-		if (s->ctx->comp_methods == NULL)
-			j=0;
-		else
-			j=sk_SSL_COMP_num(s->ctx->comp_methods);
-		*(p++)=1+j;
-		for (i=0; i<j; i++)
-			{
-			comp=sk_SSL_COMP_value(s->ctx->comp_methods,i);
-			*(p++)=comp->id;
-			}
-		*(p++)=0; /* Add the NULL method */
-		
-		l=(p-d);
-		d=buf;
-
-		d = dtls1_set_message_header(s, d, SSL3_MT_CLIENT_HELLO, l, 0, l);
-
-		s->state=SSL3_ST_CW_CLNT_HELLO_B;
-		/* number of bytes to write */
-		s->init_num=p-buf;
-		s->init_off=0;
-
-		/* buffer the message to handle re-xmits */
-		dtls1_buffer_message(s, 0);
-		}
-
-	/* SSL3_ST_CW_CLNT_HELLO_B */
-	return(dtls1_do_write(s,SSL3_RT_HANDSHAKE));
-err:
-	return(-1);
-	}
-
-static int dtls1_get_hello_verify(SSL *s)
-	{
-	int n, al, ok = 0;
-	unsigned char *data;
-	unsigned int cookie_len;
-
-	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);
-
-	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 ((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;
-		}
-	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);
-	return -1;
-	}
-
-int dtls1_send_client_key_exchange(SSL *s)
-	{
-	unsigned char *p,*d;
-	int n;
-	unsigned long l;
-#ifndef OPENSSL_NO_RSA
-	unsigned char *q;
-	EVP_PKEY *pkey=NULL;
-#endif
-#ifndef OPENSSL_NO_KRB5
-        KSSL_ERR kssl_err;
-#endif /* OPENSSL_NO_KRB5 */
-
-	if (s->state == SSL3_ST_CW_KEY_EXCH_A)
-		{
-		d=(unsigned char *)s->init_buf->data;
-		p= &(d[DTLS1_HM_HEADER_LENGTH]);
-
-		l=s->s3->tmp.new_cipher->algorithms;
-
-                /* Fool emacs indentation */
-                if (0) {}
-#ifndef OPENSSL_NO_RSA
-		else if (l & SSL_kRSA)
-			{
-			RSA *rsa;
-			unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
-
-			if (s->session->sess_cert->peer_rsa_tmp != NULL)
-				rsa=s->session->sess_cert->peer_rsa_tmp;
-			else
-				{
-				pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
-				if ((pkey == NULL) ||
-					(pkey->type != EVP_PKEY_RSA) ||
-					(pkey->pkey.rsa == NULL))
-					{
-					SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
-					goto err;
-					}
-				rsa=pkey->pkey.rsa;
-				EVP_PKEY_free(pkey);
-				}
-				
-			tmp_buf[0]=s->client_version>>8;
-			tmp_buf[1]=s->client_version&0xff;
-			if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0)
-					goto err;
-
-			s->session->master_key_length=sizeof tmp_buf;
-
-			q=p;
-			/* Fix buf for TLS and beyond */
-			if (s->version > SSL3_VERSION)
-				p+=2;
-			n=RSA_public_encrypt(sizeof tmp_buf,
-				tmp_buf,p,rsa,RSA_PKCS1_PADDING);
-#ifdef PKCS1_CHECK
-			if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++;
-			if (s->options & SSL_OP_PKCS1_CHECK_2) tmp_buf[0]=0x70;
-#endif
-			if (n <= 0)
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,SSL_R_BAD_RSA_ENCRYPT);
-				goto err;
-				}
-
-			/* Fix buf for TLS and beyond */
-			if (s->version > SSL3_VERSION)
-				{
-				s2n(n,q);
-				n+=2;
-				}
-
-			s->session->master_key_length=
-				s->method->ssl3_enc->generate_master_secret(s,
-					s->session->master_key,
-					tmp_buf,sizeof tmp_buf);
-			OPENSSL_cleanse(tmp_buf,sizeof tmp_buf);
-			}
-#endif
-#ifndef OPENSSL_NO_KRB5
-		else if (l & SSL_kKRB5)
-                        {
-                        krb5_error_code	krb5rc;
-                        KSSL_CTX	*kssl_ctx = s->kssl_ctx;
-                        /*  krb5_data	krb5_ap_req;  */
-                        krb5_data	*enc_ticket;
-                        krb5_data	authenticator, *authp = NULL;
-			EVP_CIPHER_CTX	ciph_ctx;
-			EVP_CIPHER	*enc = NULL;
-			unsigned char	iv[EVP_MAX_IV_LENGTH];
-			unsigned char	tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
-			unsigned char	epms[SSL_MAX_MASTER_KEY_LENGTH 
-						+ EVP_MAX_IV_LENGTH];
-			int 		padl, outl = sizeof(epms);
-
-			EVP_CIPHER_CTX_init(&ciph_ctx);
-
-#ifdef KSSL_DEBUG
-                        printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
-                                l, SSL_kKRB5);
-#endif	/* KSSL_DEBUG */
-
-			authp = NULL;
-#ifdef KRB5SENDAUTH
-			if (KRB5SENDAUTH)  authp = &authenticator;
-#endif	/* KRB5SENDAUTH */
-
-                        krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp,
-				&kssl_err);
-			enc = kssl_map_enc(kssl_ctx->enctype);
-                        if (enc == NULL)
-                            goto err;
-#ifdef KSSL_DEBUG
-                        {
-                        printf("kssl_cget_tkt rtn %d\n", krb5rc);
-                        if (krb5rc && kssl_err.text)
-			  printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text);
-                        }
-#endif	/* KSSL_DEBUG */
-
-                        if (krb5rc)
-                                {
-                                ssl3_send_alert(s,SSL3_AL_FATAL,
-						SSL_AD_HANDSHAKE_FAILURE);
-                                SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,
-						kssl_err.reason);
-                                goto err;
-                                }
-
-			/*  20010406 VRS - Earlier versions used KRB5 AP_REQ
-			**  in place of RFC 2712 KerberosWrapper, as in:
-			**
-                        **  Send ticket (copy to *p, set n = length)
-                        **  n = krb5_ap_req.length;
-                        **  memcpy(p, krb5_ap_req.data, krb5_ap_req.length);
-                        **  if (krb5_ap_req.data)  
-                        **    kssl_krb5_free_data_contents(NULL,&krb5_ap_req);
-                        **
-			**  Now using real RFC 2712 KerberosWrapper
-			**  (Thanks to Simon Wilkinson <sxw@sxw.org.uk>)
-			**  Note: 2712 "opaque" types are here replaced
-			**  with a 2-byte length followed by the value.
-			**  Example:
-			**  KerberosWrapper= xx xx asn1ticket 0 0 xx xx encpms
-			**  Where "xx xx" = length bytes.  Shown here with
-			**  optional authenticator omitted.
-			*/
-
-			/*  KerberosWrapper.Ticket		*/
-			s2n(enc_ticket->length,p);
-			memcpy(p, enc_ticket->data, enc_ticket->length);
-			p+= enc_ticket->length;
-			n = enc_ticket->length + 2;
-
-			/*  KerberosWrapper.Authenticator	*/
-			if (authp  &&  authp->length)  
-				{
-				s2n(authp->length,p);
-				memcpy(p, authp->data, authp->length);
-				p+= authp->length;
-				n+= authp->length + 2;
-				
-				free(authp->data);
-				authp->data = NULL;
-				authp->length = 0;
-				}
-			else
-				{
-				s2n(0,p);/*  null authenticator length	*/
-				n+=2;
-				}
- 
-			if (RAND_bytes(tmp_buf,sizeof tmp_buf) <= 0)
-			    goto err;
-
-			/*  20010420 VRS.  Tried it this way; failed.
-			**	EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL);
-			**	EVP_CIPHER_CTX_set_key_length(&ciph_ctx,
-			**				kssl_ctx->length);
-			**	EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv);
-			*/
-
-			memset(iv, 0, sizeof iv);  /* per RFC 1510 */
-			EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,
-				kssl_ctx->key,iv);
-			EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf,
-				sizeof tmp_buf);
-			EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl);
-			outl += padl;
-			if (outl > sizeof epms)
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);
-				goto err;
-				}
-			EVP_CIPHER_CTX_cleanup(&ciph_ctx);
-
-			/*  KerberosWrapper.EncryptedPreMasterSecret	*/
-			s2n(outl,p);
-			memcpy(p, epms, outl);
-			p+=outl;
-			n+=outl + 2;
-
-                        s->session->master_key_length=
-                                s->method->ssl3_enc->generate_master_secret(s,
-					s->session->master_key,
-					tmp_buf, sizeof tmp_buf);
-
-			OPENSSL_cleanse(tmp_buf, sizeof tmp_buf);
-			OPENSSL_cleanse(epms, outl);
-                        }
-#endif
-#ifndef OPENSSL_NO_DH
-		else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
-			{
-			DH *dh_srvr,*dh_clnt;
-
-			if (s->session->sess_cert->peer_dh_tmp != NULL)
-				dh_srvr=s->session->sess_cert->peer_dh_tmp;
-			else
-				{
-				/* we get them from the cert */
-				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_DH_PARAMETERS);
-				goto err;
-				}
-			
-			/* generate a new random key */
-			if ((dh_clnt=DHparams_dup(dh_srvr)) == NULL)
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB);
-				goto err;
-				}
-			if (!DH_generate_key(dh_clnt))
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB);
-				goto err;
-				}
-
-			/* use the 'p' output buffer for the DH key, but
-			 * make sure to clear it out afterwards */
-
-			n=DH_compute_key(p,dh_srvr->pub_key,dh_clnt);
-
-			if (n <= 0)
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB);
-				goto err;
-				}
-
-			/* generate master key from the result */
-			s->session->master_key_length=
-				s->method->ssl3_enc->generate_master_secret(s,
-					s->session->master_key,p,n);
-			/* clean up */
-			memset(p,0,n);
-
-			/* send off the data */
-			n=BN_num_bytes(dh_clnt->pub_key);
-			s2n(n,p);
-			BN_bn2bin(dh_clnt->pub_key,p);
-			n+=2;
-
-			DH_free(dh_clnt);
-
-			/* perhaps clean things up a bit EAY EAY EAY EAY*/
-			}
-#endif
-		else
-			{
-			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
-			SSLerr(SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-		
-		d = dtls1_set_message_header(s, d,
-		SSL3_MT_CLIENT_KEY_EXCHANGE, n, 0, n);
-		/*
-		 *(d++)=SSL3_MT_CLIENT_KEY_EXCHANGE;
-		 l2n3(n,d);
-		 l2n(s->d1->handshake_write_seq,d);
-		 s->d1->handshake_write_seq++;
-		*/
-		
-		s->state=SSL3_ST_CW_KEY_EXCH_B;
-		/* number of bytes to write */
-		s->init_num=n+DTLS1_HM_HEADER_LENGTH;
-		s->init_off=0;
-
-		/* buffer the message to handle re-xmits */
-		dtls1_buffer_message(s, 0);
-		}
-	
-	/* SSL3_ST_CW_KEY_EXCH_B */
-	return(dtls1_do_write(s,SSL3_RT_HANDSHAKE));
-err:
-	return(-1);
-	}
-
-int dtls1_send_client_verify(SSL *s)
-	{
-	unsigned char *p,*d;
-	unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
-	EVP_PKEY *pkey;
-#ifndef OPENSSL_NO_RSA
-	unsigned u=0;
-#endif
-	unsigned long n;
-#ifndef OPENSSL_NO_DSA
-	int j;
-#endif
-
-	if (s->state == SSL3_ST_CW_CERT_VRFY_A)
-		{
-		d=(unsigned char *)s->init_buf->data;
-		p= &(d[DTLS1_HM_HEADER_LENGTH]);
-		pkey=s->cert->key->privatekey;
-
-		s->method->ssl3_enc->cert_verify_mac(s,&(s->s3->finish_dgst2),
-			&(data[MD5_DIGEST_LENGTH]));
-
-#ifndef OPENSSL_NO_RSA
-		if (pkey->type == EVP_PKEY_RSA)
-			{
-			s->method->ssl3_enc->cert_verify_mac(s,
-				&(s->s3->finish_dgst1),&(data[0]));
-			if (RSA_sign(NID_md5_sha1, data,
-					 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
-					&(p[2]), &u, pkey->pkey.rsa) <= 0 )
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_VERIFY,ERR_R_RSA_LIB);
-				goto err;
-				}
-			s2n(u,p);
-			n=u+2;
-			}
-		else
-#endif
-#ifndef OPENSSL_NO_DSA
-			if (pkey->type == EVP_PKEY_DSA)
-			{
-			if (!DSA_sign(pkey->save_type,
-				&(data[MD5_DIGEST_LENGTH]),
-				SHA_DIGEST_LENGTH,&(p[2]),
-				(unsigned int *)&j,pkey->pkey.dsa))
-				{
-				SSLerr(SSL_F_DTLS1_SEND_CLIENT_VERIFY,ERR_R_DSA_LIB);
-				goto err;
-				}
-			s2n(j,p);
-			n=j+2;
-			}
-		else
-#endif
-			{
-			SSLerr(SSL_F_DTLS1_SEND_CLIENT_VERIFY,ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-
-		d = dtls1_set_message_header(s, d,
-			SSL3_MT_CERTIFICATE_VERIFY, n, 0, n) ;
-
-		s->init_num=(int)n+DTLS1_HM_HEADER_LENGTH;
-		s->init_off=0;
-
-		/* buffer the message to handle re-xmits */
-		dtls1_buffer_message(s, 0);
-
-		s->state = SSL3_ST_CW_CERT_VRFY_B;
-		}
-
-	/* s->state = SSL3_ST_CW_CERT_VRFY_B */
-	return(dtls1_do_write(s,SSL3_RT_HANDSHAKE));
-err:
-	return(-1);
-	}
-
-int dtls1_send_client_certificate(SSL *s)
-	{
-	X509 *x509=NULL;
-	EVP_PKEY *pkey=NULL;
-	int i;
-	unsigned long l;
-
-	if (s->state ==	SSL3_ST_CW_CERT_A)
-		{
-		if ((s->cert == NULL) ||
-			(s->cert->key->x509 == NULL) ||
-			(s->cert->key->privatekey == NULL))
-			s->state=SSL3_ST_CW_CERT_B;
-		else
-			s->state=SSL3_ST_CW_CERT_C;
-		}
-
-	/* We need to get a client cert */
-	if (s->state == SSL3_ST_CW_CERT_B)
-		{
-		/* If we get an error, we need to
-		 * ssl->rwstate=SSL_X509_LOOKUP; return(-1);
-		 * We then get retied later */
-		i=0;
-		if (s->ctx->client_cert_cb != NULL)
-			i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
-		if (i < 0)
-			{
-			s->rwstate=SSL_X509_LOOKUP;
-			return(-1);
-			}
-		s->rwstate=SSL_NOTHING;
-		if ((i == 1) && (pkey != NULL) && (x509 != NULL))
-			{
-			s->state=SSL3_ST_CW_CERT_B;
-			if (	!SSL_use_certificate(s,x509) ||
-				!SSL_use_PrivateKey(s,pkey))
-				i=0;
-			}
-		else if (i == 1)
-			{
-			i=0;
-			SSLerr(SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
-			}
-
-		if (x509 != NULL) X509_free(x509);
-		if (pkey != NULL) EVP_PKEY_free(pkey);
-		if (i == 0)
-			{
-			if (s->version == SSL3_VERSION)
-				{
-				s->s3->tmp.cert_req=0;
-				ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_NO_CERTIFICATE);
-				return(1);
-				}
-			else
-				{
-				s->s3->tmp.cert_req=2;
-				}
-			}
-
-		/* Ok, we have a cert */
-		s->state=SSL3_ST_CW_CERT_C;
-		}
-
-	if (s->state == SSL3_ST_CW_CERT_C)
-		{
-		s->state=SSL3_ST_CW_CERT_D;
-		l=dtls1_output_cert_chain(s,
-			(s->s3->tmp.cert_req == 2)?NULL:s->cert->key->x509);
-		s->init_num=(int)l;
-		s->init_off=0;
-
-		/* set header called by dtls1_output_cert_chain() */
-
-		/* buffer the message to handle re-xmits */
-		dtls1_buffer_message(s, 0);
-		}
-	/* SSL3_ST_CW_CERT_D */
-	return(dtls1_do_write(s,SSL3_RT_HANDSHAKE));
-	}
-
-