X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_lib.c;h=d47f26865bf58f5f66e3f94c2c16aad7a200c535;hp=2b60d7288feb7f0c2607ea6b68c9eeb947a5383e;hb=e91fb53b38a75953a693fadbc09177245bc7a05d;hpb=334f1842fc61801398d88b006ab36c632f5e6f6c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 2b60d7288f..d47f26865b 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -58,7 +58,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2007 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
@@ -110,28 +110,76 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
-
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by 
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
 
 #ifdef REF_CHECK
 #  include <assert.h>
 #endif
 #include <stdio.h>
+#include "ssl_locl.h"
+#include "kssl_lcl.h"
 #include <openssl/objects.h>
 #include <openssl/lhash.h>
 #include <openssl/x509v3.h>
-#include "ssl_locl.h"
-#include "kssl_lcl.h"
+#include <openssl/rand.h>
+#include <openssl/ocsp.h>
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
 
 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
 
-OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
+SSL3_ENC_METHOD ssl3_undef_enc_method={
 	/* evil casts, but these functions are only called if there's a library bug */
 	(int (*)(SSL *,int))ssl_undefined_function,
 	(int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
 	ssl_undefined_function,
 	(int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
 	(int (*)(SSL*, int))ssl_undefined_function,
-	(int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
+	(int (*)(SSL *,  const char*, int, unsigned char *))ssl_undefined_function,
+	0,	/* finish_mac_length */
+	(int (*)(SSL *, int, unsigned char *))ssl_undefined_function,
+	NULL,	/* client_finished_label */
+	0,	/* client_finished_label_len */
+	NULL,	/* server_finished_label */
+	0,	/* server_finished_label_len */
+	(int (*)(int))ssl_undefined_function,
+	(int (*)(SSL *, unsigned char *, size_t, const char *,
+		 size_t, const unsigned char *, size_t,
+		 int use_context)) ssl_undefined_function,
 	};
 
 int SSL_clear(SSL *s)
@@ -143,6 +191,12 @@ int SSL_clear(SSL *s)
 		return(0);
 		}
 
+	if (ssl_clear_bad_session(s))
+		{
+		SSL_SESSION_free(s->session);
+		s->session=NULL;
+		}
+
 	s->error=0;
 	s->hit=0;
 	s->shutdown=0;
@@ -151,9 +205,9 @@ int SSL_clear(SSL *s)
        * needed because SSL_clear is not called when doing renegotiation) */
 	/* This is set if we are doing dynamic renegotiation so keep
 	 * the old cipher.  It is sort of a SSL_clear_lite :-) */
-	if (s->new_session) return(1);
+	if (s->renegotiate) return(1);
 #else
-	if (s->new_session)
+	if (s->renegotiate)
 		{
 		SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
 		return 0;
@@ -162,12 +216,6 @@ int SSL_clear(SSL *s)
 
 	s->type=0;
 
-	if (ssl_clear_bad_session(s))
-		{
-		SSL_SESSION_free(s->session);
-		s->session=NULL;
-		}
-
 	s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
 
 	s->version=s->method->version;
@@ -185,6 +233,8 @@ int SSL_clear(SSL *s)
 		}
 
 	ssl_clear_cipher_ctx(s);
+	ssl_clear_hash_ctx(&s->read_hash);
+	ssl_clear_hash_ctx(&s->write_hash);
 
 	s->first_packet=0;
 
@@ -205,14 +255,15 @@ int SSL_clear(SSL *s)
 	}
 
 /** Used to change an SSL_CTXs default SSL method type */
-int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
+int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth)
 	{
 	STACK_OF(SSL_CIPHER) *sk;
 
 	ctx->method=meth;
 
 	sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
-		&(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
+		&(ctx->cipher_list_by_id),
+		meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST, ctx->cert);
 	if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
 		{
 		SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
@@ -271,17 +322,78 @@ SSL *SSL_new(SSL_CTX *ctx)
 	s->msg_callback=ctx->msg_callback;
 	s->msg_callback_arg=ctx->msg_callback_arg;
 	s->verify_mode=ctx->verify_mode;
+	s->not_resumable_session_cb=ctx->not_resumable_session_cb;
+#if 0
 	s->verify_depth=ctx->verify_depth;
+#endif
 	s->sid_ctx_length=ctx->sid_ctx_length;
+	OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
 	memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
 	s->verify_callback=ctx->default_verify_callback;
 	s->generate_session_id=ctx->generate_session_id;
+
+	s->param = X509_VERIFY_PARAM_new();
+	if (!s->param)
+		goto err;
+	X509_VERIFY_PARAM_inherit(s->param, ctx->param);
+#if 0
 	s->purpose = ctx->purpose;
 	s->trust = ctx->trust;
+#endif
 	s->quiet_shutdown=ctx->quiet_shutdown;
+	s->max_send_fragment = ctx->max_send_fragment;
 
 	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
 	s->ctx=ctx;
+#ifndef OPENSSL_NO_TLSEXT
+	s->tlsext_debug_cb = 0;
+	s->tlsext_debug_arg = NULL;
+	s->tlsext_ticket_expected = 0;
+	s->tlsext_status_type = -1;
+	s->tlsext_status_expected = 0;
+	s->tlsext_ocsp_ids = NULL;
+	s->tlsext_ocsp_exts = NULL;
+	s->tlsext_ocsp_resp = NULL;
+	s->tlsext_ocsp_resplen = -1;
+	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
+	s->initial_ctx=ctx;
+#ifndef OPENSSL_NO_EC
+	if (ctx->tlsext_ecpointformatlist)
+		{
+		s->tlsext_ecpointformatlist =
+			BUF_memdup(ctx->tlsext_ecpointformatlist,
+					ctx->tlsext_ecpointformatlist_length);
+		if (!s->tlsext_ecpointformatlist)
+			goto err;
+		s->tlsext_ecpointformatlist_length =
+					ctx->tlsext_ecpointformatlist_length;
+		}
+	if (ctx->tlsext_ellipticcurvelist)
+		{
+		s->tlsext_ellipticcurvelist =
+			BUF_memdup(ctx->tlsext_ellipticcurvelist,
+					ctx->tlsext_ellipticcurvelist_length);
+		if (!s->tlsext_ellipticcurvelist)
+			goto err;
+		s->tlsext_ellipticcurvelist_length = 
+					ctx->tlsext_ellipticcurvelist_length;
+		}
+#endif
+# ifndef OPENSSL_NO_NEXTPROTONEG
+	s->next_proto_negotiated = NULL;
+# endif
+
+	if (s->ctx->alpn_client_proto_list)
+		{
+		s->alpn_client_proto_list =
+			OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);
+		if (s->alpn_client_proto_list == NULL)
+			goto err;
+		memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,
+		       s->ctx->alpn_client_proto_list_len);
+		s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;
+		}
+#endif
 
 	s->verify_result=X509_V_OK;
 
@@ -297,6 +409,11 @@ SSL *SSL_new(SSL_CTX *ctx)
 
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
 
+#ifndef OPENSSL_NO_PSK
+	s->psk_client_callback=ctx->psk_client_callback;
+	s->psk_server_callback=ctx->psk_server_callback;
+#endif
+
 	return(s);
 err:
 	if (s != NULL)
@@ -314,7 +431,7 @@ err:
 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
 				   unsigned int sid_ctx_len)
     {
-    if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
+    if(sid_ctx_len > sizeof ctx->sid_ctx)
 	{
 	SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
 	return 0;
@@ -364,6 +481,10 @@ int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
 	 * any new session built out of this id/id_len and the ssl_version in
 	 * use by this SSL. */
 	SSL_SESSION r, *p;
+
+	if(id_len > sizeof r.session_id)
+		return 0;
+
 	r.ssl_version = ssl->version;
 	r.session_id_length = id_len;
 	memcpy(r.session_id, id, id_len);
@@ -380,29 +501,54 @@ int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
 		}
 
 	CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
-	p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
+	p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r);
 	CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
 	return (p != NULL);
 	}
 
 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
 	{
-	return X509_PURPOSE_set(&s->purpose, purpose);
+	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
 	}
 
 int SSL_set_purpose(SSL *s, int purpose)
 	{
-	return X509_PURPOSE_set(&s->purpose, purpose);
+	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
 	}
 
 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
 	{
-	return X509_TRUST_set(&s->trust, trust);
+	return X509_VERIFY_PARAM_set_trust(s->param, trust);
 	}
 
 int SSL_set_trust(SSL *s, int trust)
 	{
-	return X509_TRUST_set(&s->trust, trust);
+	return X509_VERIFY_PARAM_set_trust(s->param, trust);
+	}
+
+int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
+	{
+	return X509_VERIFY_PARAM_set1(ctx->param, vpm);
+	}
+
+int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
+	{
+	return X509_VERIFY_PARAM_set1(ssl->param, vpm);
+	}
+
+X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
+	{
+	return ctx->param;
+	}
+
+X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
+	{
+	return ssl->param;
+	}
+
+void SSL_certs_clear(SSL *s)
+	{
+	ssl_cert_clear_certs(s->cert);
 	}
 
 void SSL_free(SSL *s)
@@ -425,6 +571,9 @@ void SSL_free(SSL *s)
 		}
 #endif
 
+	if (s->param)
+		X509_VERIFY_PARAM_free(s->param);
+
 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
 
 	if (s->bbio != NULL)
@@ -456,17 +605,52 @@ void SSL_free(SSL *s)
 		}
 
 	ssl_clear_cipher_ctx(s);
+	ssl_clear_hash_ctx(&s->read_hash);
+	ssl_clear_hash_ctx(&s->write_hash);
 
 	if (s->cert != NULL) ssl_cert_free(s->cert);
 	/* Free up if allocated */
 
-	if (s->ctx) SSL_CTX_free(s->ctx);
+#ifndef OPENSSL_NO_TLSEXT
+	if (s->tlsext_hostname)
+		OPENSSL_free(s->tlsext_hostname);
+	if (s->initial_ctx) SSL_CTX_free(s->initial_ctx);
+#ifndef OPENSSL_NO_EC
+	if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist);
+	if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist);
+#endif /* OPENSSL_NO_EC */
+	if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input);
+	if (s->tlsext_ocsp_exts)
+		sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts,
+						X509_EXTENSION_free);
+	if (s->tlsext_ocsp_ids)
+		sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
+	if (s->tlsext_ocsp_resp)
+		OPENSSL_free(s->tlsext_ocsp_resp);
+	if (s->alpn_client_proto_list)
+		OPENSSL_free(s->alpn_client_proto_list);
+#endif
 
 	if (s->client_CA != NULL)
 		sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
 
 	if (s->method != NULL) s->method->ssl_free(s);
 
+	if (s->ctx) SSL_CTX_free(s->ctx);
+
+#ifndef	OPENSSL_NO_KRB5
+	if (s->kssl_ctx != NULL)
+		kssl_ctx_free(s->kssl_ctx);
+#endif	/* OPENSSL_NO_KRB5 */
+
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+	if (s->next_proto_negotiated)
+		OPENSSL_free(s->next_proto_negotiated);
+#endif
+
+        if (s->srtp_profiles)
+            sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
+
 	OPENSSL_free(s);
 	}
 
@@ -490,18 +674,18 @@ void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
 	s->wbio=wbio;
 	}
 
-BIO *SSL_get_rbio(SSL *s)
+BIO *SSL_get_rbio(const SSL *s)
 	{ return(s->rbio); }
 
-BIO *SSL_get_wbio(SSL *s)
+BIO *SSL_get_wbio(const SSL *s)
 	{ return(s->wbio); }
 
-int SSL_get_fd(SSL *s)
+int SSL_get_fd(const SSL *s)
 	{
 	return(SSL_get_rfd(s));
 	}
 
-int SSL_get_rfd(SSL *s)
+int SSL_get_rfd(const SSL *s)
 	{
 	int ret= -1;
 	BIO *b,*r;
@@ -513,7 +697,7 @@ int SSL_get_rfd(SSL *s)
 	return(ret);
 	}
 
-int SSL_get_wfd(SSL *s)
+int SSL_get_wfd(const SSL *s)
 	{
 	int ret= -1;
 	BIO *b,*r;
@@ -595,7 +779,7 @@ err:
 
 
 /* return length of latest Finished message we sent, copy to 'buf' */
-size_t SSL_get_finished(SSL *s, void *buf, size_t count)
+size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
 	{
 	size_t ret = 0;
 	
@@ -610,7 +794,7 @@ size_t SSL_get_finished(SSL *s, void *buf, size_t count)
 	}
 
 /* return length of latest Finished message we expected, copy to 'buf' */
-size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
+size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
 	{
 	size_t ret = 0;
 	
@@ -625,32 +809,32 @@ size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
 	}
 
 
-int SSL_get_verify_mode(SSL *s)
+int SSL_get_verify_mode(const SSL *s)
 	{
 	return(s->verify_mode);
 	}
 
-int SSL_get_verify_depth(SSL *s)
+int SSL_get_verify_depth(const SSL *s)
 	{
-	return(s->verify_depth);
+	return X509_VERIFY_PARAM_get_depth(s->param);
 	}
 
-int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
+int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
 	{
 	return(s->verify_callback);
 	}
 
-int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
+int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
 	{
 	return(ctx->verify_mode);
 	}
 
-int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
+int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
 	{
-	return(ctx->verify_depth);
+	return X509_VERIFY_PARAM_get_depth(ctx->param);
 	}
 
-int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
+int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
 	{
 	return(ctx->default_verify_callback);
 	}
@@ -665,7 +849,7 @@ void SSL_set_verify(SSL *s,int mode,
 
 void SSL_set_verify_depth(SSL *s,int depth)
 	{
-	s->verify_depth=depth;
+	X509_VERIFY_PARAM_set_depth(s->param, depth);
 	}
 
 void SSL_set_read_ahead(SSL *s,int yes)
@@ -673,12 +857,12 @@ void SSL_set_read_ahead(SSL *s,int yes)
 	s->read_ahead=yes;
 	}
 
-int SSL_get_read_ahead(SSL *s)
+int SSL_get_read_ahead(const SSL *s)
 	{
 	return(s->read_ahead);
 	}
 
-int SSL_pending(SSL *s)
+int SSL_pending(const SSL *s)
 	{
 	/* SSL_pending cannot work properly if read-ahead is enabled
 	 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
@@ -690,7 +874,7 @@ int SSL_pending(SSL *s)
 	return(s->method->ssl_pending(s));
 	}
 
-X509 *SSL_get_peer_certificate(SSL *s)
+X509 *SSL_get_peer_certificate(const SSL *s)
 	{
 	X509 *r;
 	
@@ -706,7 +890,7 @@ X509 *SSL_get_peer_certificate(SSL *s)
 	return(r);
 	}
 
-STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
+STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
 	{
 	STACK_OF(X509) *r;
 	
@@ -723,7 +907,7 @@ STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
 
 /* Now in theory, since the calling process own 't' it should be safe to
  * modify.  We need to be able to read f without being hassled */
-void SSL_copy_session_id(SSL *t,SSL *f)
+void SSL_copy_session_id(SSL *t,const SSL *f)
 	{
 	CERT *tmp;
 
@@ -752,7 +936,7 @@ void SSL_copy_session_id(SSL *t,SSL *f)
 	}
 
 /* Fix this so it checks all the valid key/cert options */
-int SSL_CTX_check_private_key(SSL_CTX *ctx)
+int SSL_CTX_check_private_key(const SSL_CTX *ctx)
 	{
 	if (	(ctx == NULL) ||
 		(ctx->cert == NULL) ||
@@ -770,7 +954,7 @@ int SSL_CTX_check_private_key(SSL_CTX *ctx)
 	}
 
 /* Fix this function so that it takes an optional type parameter */
-int SSL_check_private_key(SSL *ssl)
+int SSL_check_private_key(const SSL *ssl)
 	{
 	if (ssl == NULL)
 		{
@@ -779,7 +963,7 @@ int SSL_check_private_key(SSL *ssl)
 		}
 	if (ssl->cert == NULL)
 		{
-                SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
+		SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
 		return 0;
 		}
 	if (ssl->cert->key->x509 == NULL)
@@ -814,7 +998,7 @@ int SSL_connect(SSL *s)
 	return(s->method->ssl_connect(s));
 	}
 
-long SSL_get_default_timeout(SSL *s)
+long SSL_get_default_timeout(const SSL *s)
 	{
 	return(s->method->get_timeout());
 	}
@@ -839,7 +1023,7 @@ int SSL_peek(SSL *s,void *buf,int num)
 	{
 	if (s->handshake_func == 0)
 		{
-		SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
+		SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
 		return -1;
 		}
 
@@ -889,10 +1073,21 @@ int SSL_shutdown(SSL *s)
 
 int SSL_renegotiate(SSL *s)
 	{
-	if (s->new_session == 0)
-		{
-		s->new_session=1;
-		}
+	if (s->renegotiate == 0)
+		s->renegotiate=1;
+
+	s->new_session=1;
+
+	return(s->method->ssl_renegotiate(s));
+	}
+
+int SSL_renegotiate_abbreviated(SSL *s)
+	{
+	if (s->renegotiate == 0)
+		s->renegotiate=1;
+
+	s->new_session=0;
+
 	return(s->method->ssl_renegotiate(s));
 	}
 
@@ -900,7 +1095,7 @@ int SSL_renegotiate_pending(SSL *s)
 	{
 	/* becomes true when negotiation is requested;
 	 * false again once a handshake has finished */
-	return (s->new_session != 0);
+	return (s->renegotiate != 0);
 	}
 
 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
@@ -922,20 +1117,60 @@ long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
 
 	case SSL_CTRL_OPTIONS:
 		return(s->options|=larg);
+	case SSL_CTRL_CLEAR_OPTIONS:
+		return(s->options&=~larg);
 	case SSL_CTRL_MODE:
 		return(s->mode|=larg);
+	case SSL_CTRL_CLEAR_MODE:
+		return(s->mode &=~larg);
 	case SSL_CTRL_GET_MAX_CERT_LIST:
 		return(s->max_cert_list);
 	case SSL_CTRL_SET_MAX_CERT_LIST:
 		l=s->max_cert_list;
 		s->max_cert_list=larg;
 		return(l);
+	case SSL_CTRL_SET_MTU:
+#ifndef OPENSSL_NO_DTLS1
+		if (larg < (long)dtls1_min_mtu())
+			return 0;
+#endif
+
+		if (SSL_IS_DTLS(s))
+			{
+			s->d1->mtu = larg;
+			return larg;
+			}
+		return 0;
+	case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
+		if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
+			return 0;
+		s->max_send_fragment = larg;
+		return 1;
+	case SSL_CTRL_GET_RI_SUPPORT:
+		if (s->s3)
+			return s->s3->send_connection_binding;
+		else return 0;
+	case SSL_CTRL_CERT_FLAGS:
+		return(s->cert->cert_flags|=larg);
+	case SSL_CTRL_CLEAR_CERT_FLAGS:
+		return(s->cert->cert_flags &=~larg);
+
+	case SSL_CTRL_GET_RAW_CIPHERLIST:
+		if (parg)
+			{
+			if (s->cert->ciphers_raw == NULL)
+				return 0;
+			*(unsigned char **)parg = s->cert->ciphers_raw;
+			return (int)s->cert->ciphers_rawlen;
+			}
+		else
+			return ssl_put_cipher_by_char(s,NULL,NULL);
 	default:
 		return(s->method->ssl_ctrl(s,cmd,larg,parg));
 		}
 	}
 
-long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
+long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
 	{
 	switch(cmd)
 		{
@@ -948,7 +1183,7 @@ long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
 		}
 	}
 
-struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
+LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx)
 	{
 	return ctx->sessions;
 	}
@@ -956,6 +1191,22 @@ struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
 	{
 	long l;
+	/* For some cases with ctx == NULL perform syntax checks */
+	if (ctx == NULL)
+		{
+		switch (cmd)
+			{
+#ifndef OPENSSL_NO_EC
+		case SSL_CTRL_SET_CURVES_LIST:
+			return tls1_set_curves_list(NULL, NULL, parg);
+#endif
+		case SSL_CTRL_SET_SIGALGS_LIST:
+		case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
+			return tls1_set_sigalgs_list(NULL, parg, 0);
+		default:
+			return 0;
+			}
+		}
 
 	switch (cmd)
 		{
@@ -991,7 +1242,7 @@ long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
 		return(ctx->session_cache_mode);
 
 	case SSL_CTRL_SESS_NUMBER:
-		return(ctx->sessions->num_items);
+		return(lh_SSL_SESSION_num_items(ctx->sessions));
 	case SSL_CTRL_SESS_CONNECT:
 		return(ctx->stats.sess_connect);
 	case SSL_CTRL_SESS_CONNECT_GOOD:
@@ -1016,14 +1267,27 @@ long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
 		return(ctx->stats.sess_cache_full);
 	case SSL_CTRL_OPTIONS:
 		return(ctx->options|=larg);
+	case SSL_CTRL_CLEAR_OPTIONS:
+		return(ctx->options&=~larg);
 	case SSL_CTRL_MODE:
 		return(ctx->mode|=larg);
+	case SSL_CTRL_CLEAR_MODE:
+		return(ctx->mode&=~larg);
+	case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
+		if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
+			return 0;
+		ctx->max_send_fragment = larg;
+		return 1;
+	case SSL_CTRL_CERT_FLAGS:
+		return(ctx->cert->cert_flags|=larg);
+	case SSL_CTRL_CLEAR_CERT_FLAGS:
+		return(ctx->cert->cert_flags &=~larg);
 	default:
 		return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
 		}
 	}
 
-long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
+long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
 	{
 	switch(cmd)
 		{
@@ -1061,16 +1325,19 @@ int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
 
 /** return a STACK of the ciphers available for the SSL and in order of
  * preference */
-STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
+STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
 	{
-	if ((s != NULL) && (s->cipher_list != NULL))
-		{
-		return(s->cipher_list);
-		}
-	else if ((s->ctx != NULL) &&
-		(s->ctx->cipher_list != NULL))
+	if (s != NULL)
 		{
-		return(s->ctx->cipher_list);
+		if (s->cipher_list != NULL)
+			{
+			return(s->cipher_list);
+			}
+		else if ((s->ctx != NULL) &&
+			(s->ctx->cipher_list != NULL))
+			{
+			return(s->ctx->cipher_list);
+			}
 		}
 	return(NULL);
 	}
@@ -1079,20 +1346,23 @@ STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
  * algorithm id */
 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
 	{
-	if ((s != NULL) && (s->cipher_list_by_id != NULL))
-		{
-		return(s->cipher_list_by_id);
-		}
-	else if ((s != NULL) && (s->ctx != NULL) &&
-		(s->ctx->cipher_list_by_id != NULL))
+	if (s != NULL)
 		{
-		return(s->ctx->cipher_list_by_id);
+		if (s->cipher_list_by_id != NULL)
+			{
+			return(s->cipher_list_by_id);
+			}
+		else if ((s->ctx != NULL) &&
+			(s->ctx->cipher_list_by_id != NULL))
+			{
+			return(s->ctx->cipher_list_by_id);
+			}
 		}
 	return(NULL);
 	}
 
 /** The old interface to get the same thing as SSL_get_ciphers() */
-const char *SSL_get_cipher_list(SSL *s,int n)
+const char *SSL_get_cipher_list(const SSL *s,int n)
 	{
 	SSL_CIPHER *c;
 	STACK_OF(SSL_CIPHER) *sk;
@@ -1112,9 +1382,22 @@ int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
 	STACK_OF(SSL_CIPHER) *sk;
 	
 	sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
-		&ctx->cipher_list_by_id,str);
-/* XXXX */
-	return((sk == NULL)?0:1);
+		&ctx->cipher_list_by_id,str, ctx->cert);
+	/* ssl_create_cipher_list may return an empty stack if it
+	 * was unable to find a cipher matching the given rule string
+	 * (for example if the rule string specifies a cipher which
+	 * has been disabled). This is not an error as far as
+	 * ssl_create_cipher_list is concerned, and hence
+	 * ctx->cipher_list and ctx->cipher_list_by_id has been
+	 * updated. */
+	if (sk == NULL)
+		return 0;
+	else if (sk_SSL_CIPHER_num(sk) == 0)
+		{
+		SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
+		return 0;
+		}
+	return 1;
 	}
 
 /** specify the ciphers to be used by the SSL */
@@ -1123,16 +1406,22 @@ int SSL_set_cipher_list(SSL *s,const char *str)
 	STACK_OF(SSL_CIPHER) *sk;
 	
 	sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
-		&s->cipher_list_by_id,str);
-/* XXXX */
-	return((sk == NULL)?0:1);
+		&s->cipher_list_by_id,str, s->cert);
+	/* see comment in SSL_CTX_set_cipher_list */
+	if (sk == NULL)
+		return 0;
+	else if (sk_SSL_CIPHER_num(sk) == 0)
+		{
+		SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
+		return 0;
+		}
+	return 1;
 	}
 
 /* works well for SSLv2, not so good for SSLv3 */
-char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
+char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
 	{
 	char *p;
-	const char *cp;
 	STACK_OF(SSL_CIPHER) *sk;
 	SSL_CIPHER *c;
 	int i;
@@ -1145,33 +1434,36 @@ char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
 	sk=s->session->ciphers;
 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
 		{
-		/* Decrement for either the ':' or a '\0' */
-		len--;
+		int n;
+
 		c=sk_SSL_CIPHER_value(sk,i);
-		for (cp=c->name; *cp; )
+		n=strlen(c->name);
+		if (n+1 > len)
 			{
-			if (len-- == 0)
-				{
-				*p='\0';
-				return(buf);
-				}
-			else
-				*(p++)= *(cp++);
+			if (p != buf)
+				--p;
+			*p='\0';
+			return buf;
 			}
+		strcpy(p,c->name);
+		p+=n;
 		*(p++)=':';
+		len-=n+1;
 		}
 	p[-1]='\0';
 	return(buf);
 	}
 
-int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
+int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
+			     int (*put_cb)(const SSL_CIPHER *, unsigned char *))
 	{
 	int i,j=0;
 	SSL_CIPHER *c;
+	CERT *ct = s->cert;
 	unsigned char *q;
-#ifndef OPENSSL_NO_KRB5
-        int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
-#endif /* OPENSSL_NO_KRB5 */
+	int no_scsv = s->renegotiate;
+	/* Set disabled masks for this session */
+	ssl_set_client_disabled(s);
 
 	if (sk == NULL) return(0);
 	q=p;
@@ -1179,22 +1471,50 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
 		{
 		c=sk_SSL_CIPHER_value(sk,i);
-#ifndef OPENSSL_NO_KRB5
-                if ((c->algorithms & SSL_KRB5) && nokrb5)
-                    continue;
-#endif /* OPENSSL_NO_KRB5 */                    
-		j=ssl_put_cipher_by_char(s,c,p);
+		/* Skip disabled ciphers */
+		if (c->algorithm_ssl & ct->mask_ssl ||
+			c->algorithm_mkey & ct->mask_k ||
+			c->algorithm_auth & ct->mask_a)
+			continue;
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+		if (c->id == SSL3_CK_SCSV)
+			{
+			if (no_scsv)
+				continue;
+			else
+				no_scsv = 1;
+			}
+#endif
+		j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
+		p+=j;
+		}
+	/* If p == q, no ciphers and caller indicates an error. Otherwise
+	 * add SCSV if not renegotiating.
+	 */
+	if (p != q && !no_scsv)
+		{
+		static SSL_CIPHER scsv =
+			{
+			0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
+			};
+		j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p);
 		p+=j;
+#ifdef OPENSSL_RI_DEBUG
+		fprintf(stderr, "SCSV sent by client\n");
+#endif
 		}
+
 	return(p-q);
 	}
 
 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
 					       STACK_OF(SSL_CIPHER) **skp)
 	{
-	SSL_CIPHER *c;
+	const SSL_CIPHER *c;
 	STACK_OF(SSL_CIPHER) *sk;
 	int i,n;
+	if (s->s3)
+		s->s3->send_connection_binding = 0;
 
 	n=ssl_put_cipher_by_char(s,NULL,NULL);
 	if ((num%n) != 0)
@@ -1210,8 +1530,38 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
 		sk_SSL_CIPHER_zero(sk);
 		}
 
+	if (s->cert->ciphers_raw)
+		OPENSSL_free(s->cert->ciphers_raw);
+	s->cert->ciphers_raw = BUF_memdup(p, num);
+	if (s->cert->ciphers_raw == NULL)
+		{
+		SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+	s->cert->ciphers_rawlen = (size_t)num;
+
 	for (i=0; i<num; i+=n)
 		{
+		/* Check for SCSV */
+		if (s->s3 && (n != 3 || !p[0]) &&
+			(p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) &&
+			(p[n-1] == (SSL3_CK_SCSV & 0xff)))
+			{
+			/* SCSV fatal if renegotiating */
+			if (s->renegotiate)
+				{
+				SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
+				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); 
+				goto err;
+				}
+			s->s3->send_connection_binding = 1;
+			p += n;
+#ifdef OPENSSL_RI_DEBUG
+			fprintf(stderr, "SCSV received by server\n");
+#endif
+			continue;
+			}
+
 		c=ssl_get_cipher_by_char(s,p);
 		p+=n;
 		if (c != NULL)
@@ -1233,98 +1583,449 @@ err:
 	return(NULL);
 	}
 
-unsigned long SSL_SESSION_hash(SSL_SESSION *a)
+
+#ifndef OPENSSL_NO_TLSEXT
+/** return a servername extension value if provided in Client Hello, or NULL.
+ * So far, only host_name types are defined (RFC 3546).
+ */
+
+const char *SSL_get_servername(const SSL *s, const int type)
 	{
-	unsigned long l;
+	if (type != TLSEXT_NAMETYPE_host_name)
+		return NULL;
 
-	l=(unsigned long)
-		((unsigned int) a->session_id[0]     )|
-		((unsigned int) a->session_id[1]<< 8L)|
-		((unsigned long)a->session_id[2]<<16L)|
-		((unsigned long)a->session_id[3]<<24L);
-	return(l);
+	return s->session && !s->tlsext_hostname ?
+		s->session->tlsext_hostname :
+		s->tlsext_hostname;
 	}
 
-/* NB: If this function (or indeed the hash function which uses a sort of
- * coarser function than this one) is changed, ensure
- * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
- * able to construct an SSL_SESSION that will collide with any existing session
- * with a matching session ID. */
-int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
+int SSL_get_servername_type(const SSL *s)
 	{
-	if (a->ssl_version != b->ssl_version)
-		return(1);
-	if (a->session_id_length != b->session_id_length)
-		return(1);
-	return(memcmp(a->session_id,b->session_id,a->session_id_length));
+	if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname))
+		return TLSEXT_NAMETYPE_host_name;
+	return -1;
 	}
 
-/* These wrapper functions should remain rather than redeclaring
- * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
- * variable. The reason is that the functions aren't static, they're exposed via
- * ssl.h. */
-static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
-static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
-
-SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
+/* SSL_select_next_proto implements the standard protocol selection. It is
+ * expected that this function is called from the callback set by
+ * SSL_CTX_set_next_proto_select_cb.
+ *
+ * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
+ * strings. The length byte itself is not included in the length. A byte
+ * string of length 0 is invalid. No byte string may be truncated.
+ *
+ * The current, but experimental algorithm for selecting the protocol is:
+ *
+ * 1) If the server doesn't support NPN then this is indicated to the
+ * callback. In this case, the client application has to abort the connection
+ * or have a default application level protocol.
+ *
+ * 2) If the server supports NPN, but advertises an empty list then the
+ * client selects the first protcol in its list, but indicates via the
+ * API that this fallback case was enacted.
+ *
+ * 3) Otherwise, the client finds the first protocol in the server's list
+ * that it supports and selects this protocol. This is because it's
+ * assumed that the server has better information about which protocol
+ * a client should use.
+ *
+ * 4) If the client doesn't support any of the server's advertised
+ * protocols, then this is treated the same as case 2.
+ *
+ * It returns either
+ * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
+ * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
+ */
+int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len)
 	{
-	SSL_CTX *ret=NULL;
-	
-	if (meth == NULL)
-		{
-		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
-		return(NULL);
-		}
+	unsigned int i, j;
+	const unsigned char *result;
+	int status = OPENSSL_NPN_UNSUPPORTED;
 
-	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
+	/* For each protocol in server preference order, see if we support it. */
+	for (i = 0; i < server_len; )
 		{
-		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
-		goto err;
+		for (j = 0; j < client_len; )
+			{
+			if (server[i] == client[j] &&
+			    memcmp(&server[i+1], &client[j+1], server[i]) == 0)
+				{
+				/* We found a match */
+				result = &server[i];
+				status = OPENSSL_NPN_NEGOTIATED;
+				goto found;
+				}
+			j += client[j];
+			j++;
+			}
+		i += server[i];
+		i++;
 		}
-	ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
-	if (ret == NULL)
-		goto err;
 
-	memset(ret,0,sizeof(SSL_CTX));
+	/* There's no overlap between our protocols and the server's list. */
+	result = client;
+	status = OPENSSL_NPN_NO_OVERLAP;
 
-	ret->method=meth;
+	found:
+	*out = (unsigned char *) result + 1;
+	*outlen = result[0];
+	return status;
+	}
 
-	ret->cert_store=NULL;
-	ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
-	ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
-	ret->session_cache_head=NULL;
-	ret->session_cache_tail=NULL;
+# ifndef OPENSSL_NO_NEXTPROTONEG
+/* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
+ * requested protocol for this connection and returns 0. If the client didn't
+ * request any protocol, then *data is set to NULL.
+ *
+ * Note that the client can request any protocol it chooses. The value returned
+ * from this function need not be a member of the list of supported protocols
+ * provided by the callback.
+ */
+void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len)
+	{
+	*data = s->next_proto_negotiated;
+	if (!*data) {
+		*len = 0;
+	} else {
+		*len = s->next_proto_negotiated_len;
+	}
+}
+
+/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
+ * TLS server needs a list of supported protocols for Next Protocol
+ * Negotiation. The returned list must be in wire format.  The list is returned
+ * by setting |out| to point to it and |outlen| to its length. This memory will
+ * not be modified, but one should assume that the SSL* keeps a reference to
+ * it.
+ *
+ * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
+ * such extension will be included in the ServerHello. */
+void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
+	{
+	ctx->next_protos_advertised_cb = cb;
+	ctx->next_protos_advertised_cb_arg = arg;
+	}
 
-	/* We take the system default */
-	ret->session_timeout=meth->get_timeout();
+/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
+ * client needs to select a protocol from the server's provided list. |out|
+ * must be set to point to the selected protocol (which may be within |in|).
+ * The length of the protocol name must be written into |outlen|. The server's
+ * advertised protocols are provided in |in| and |inlen|. The callback can
+ * assume that |in| is syntactically valid.
+ *
+ * The client must select a protocol. It is fatal to the connection if this
+ * callback returns a value other than SSL_TLSEXT_ERR_OK.
+ */
+void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg)
+	{
+	ctx->next_proto_select_cb = cb;
+	ctx->next_proto_select_cb_arg = arg;
+	}
+# endif
 
-	ret->new_session_cb=0;
-	ret->remove_session_cb=0;
-	ret->get_session_cb=0;
-	ret->generate_session_id=0;
+int SSL_CTX_set_custom_cli_ext(SSL_CTX *ctx, unsigned short ext_type,
+			       custom_cli_ext_first_cb_fn fn1, 
+			       custom_cli_ext_second_cb_fn fn2, void* arg)
+	{
+	size_t i;
+	custom_cli_ext_record* record;
 
-	memset((char *)&ret->stats,0,sizeof(ret->stats));
+	/* Check for duplicates */
+	for (i=0; i < ctx->custom_cli_ext_records_count; i++)
+		if (ext_type == ctx->custom_cli_ext_records[i].ext_type)
+			return 0;
 
-	ret->references=1;
-	ret->quiet_shutdown=0;
+	ctx->custom_cli_ext_records = OPENSSL_realloc(ctx->custom_cli_ext_records,
+						      (ctx->custom_cli_ext_records_count + 1) * 
+						      sizeof(custom_cli_ext_record));
+	if (!ctx->custom_cli_ext_records) {
+		ctx->custom_cli_ext_records_count = 0;
+		return 0;
+	}
+	ctx->custom_cli_ext_records_count++;
+	record = &ctx->custom_cli_ext_records[ctx->custom_cli_ext_records_count - 1];
+	record->ext_type = ext_type;
+	record->fn1 = fn1;
+	record->fn2 = fn2;
+	record->arg = arg;
+	return 1;
+	}
 
-/*	ret->cipher=NULL;*/
-/*	ret->s2->challenge=NULL;
-	ret->master_key=NULL;
-	ret->key_arg=NULL;
-	ret->s2->conn_id=NULL; */
+int SSL_CTX_set_custom_srv_ext(SSL_CTX *ctx, unsigned short ext_type,
+			       custom_srv_ext_first_cb_fn fn1, 
+			       custom_srv_ext_second_cb_fn fn2, void* arg)
+	{
+	size_t i;
+	custom_srv_ext_record* record;
 
-	ret->info_callback=NULL;
+	/* Check for duplicates */	
+	for (i=0; i < ctx->custom_srv_ext_records_count; i++)
+		if (ext_type == ctx->custom_srv_ext_records[i].ext_type)
+			return 0;
 
-	ret->app_verify_callback=0;
-	ret->app_verify_arg=NULL;
+	ctx->custom_srv_ext_records = OPENSSL_realloc(ctx->custom_srv_ext_records,
+						      (ctx->custom_srv_ext_records_count + 1) * 
+						      sizeof(custom_srv_ext_record));
+	if (!ctx->custom_srv_ext_records) {
+		ctx->custom_srv_ext_records_count = 0;
+		return 0;
+	}
+	ctx->custom_srv_ext_records_count++;
+	record = &ctx->custom_srv_ext_records[ctx->custom_srv_ext_records_count - 1];
+	record->ext_type = ext_type;
+	record->fn1 = fn1;
+	record->fn2 = fn2;
+	record->arg = arg;
+	return 1;
+	}
 
-	ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
+/* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char* protos,
+			    unsigned protos_len)
+	{
+	if (ctx->alpn_client_proto_list)
+		OPENSSL_free(ctx->alpn_client_proto_list);
+
+	ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+	if (!ctx->alpn_client_proto_list)
+		return 1;
+	memcpy(ctx->alpn_client_proto_list, protos, protos_len);
+	ctx->alpn_client_proto_list_len = protos_len;
+
+	return 0;
+	}
+
+/* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_set_alpn_protos(SSL *ssl, const unsigned char* protos,
+			unsigned protos_len)
+	{
+	if (ssl->alpn_client_proto_list)
+		OPENSSL_free(ssl->alpn_client_proto_list);
+
+	ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+	if (!ssl->alpn_client_proto_list)
+		return 1;
+	memcpy(ssl->alpn_client_proto_list, protos, protos_len);
+	ssl->alpn_client_proto_list_len = protos_len;
+
+	return 0;
+	}
+
+/* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called
+ * during ClientHello processing in order to select an ALPN protocol from the
+ * client's list of offered protocols. */
+void SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
+				int (*cb) (SSL *ssl,
+					   const unsigned char **out,
+					   unsigned char *outlen,
+					   const unsigned char *in,
+					   unsigned int inlen,
+					   void *arg),
+				void *arg)
+	{
+	ctx->alpn_select_cb = cb;
+	ctx->alpn_select_cb_arg = arg;
+	}
+
+/* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
+ * On return it sets |*data| to point to |*len| bytes of protocol name (not
+ * including the leading length-prefix byte). If the server didn't respond with
+ * a negotiated protocol then |*len| will be zero. */
+void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
+			    unsigned *len)
+	{
+	*data = NULL;
+	if (ssl->s3)
+		*data = ssl->s3->alpn_selected;
+	if (*data == NULL)
+		*len = 0;
+	else
+		*len = ssl->s3->alpn_selected_len;
+	}
+
+int SSL_CTX_set_cli_supp_data(SSL_CTX *ctx,
+			      unsigned short supp_data_type,
+			      cli_supp_data_first_cb_fn fn1,
+			      cli_supp_data_second_cb_fn fn2, void* arg)
+	{
+	size_t i;
+	cli_supp_data_record* record;
+
+	/* Check for duplicates */
+	for (i=0; i < ctx->cli_supp_data_records_count; i++)
+		if (supp_data_type == ctx->cli_supp_data_records[i].supp_data_type)
+			return 0;
+
+	ctx->cli_supp_data_records = OPENSSL_realloc(ctx->cli_supp_data_records,
+	  (ctx->cli_supp_data_records_count+1) * sizeof(cli_supp_data_record));
+	if (!ctx->cli_supp_data_records)
+		{
+		ctx->cli_supp_data_records_count = 0;
+		return 0;
+		}
+	ctx->cli_supp_data_records_count++;
+	record = &ctx->cli_supp_data_records[ctx->cli_supp_data_records_count - 1];
+	record->supp_data_type = supp_data_type;
+	record->fn1 = fn1;
+	record->fn2 = fn2;
+	record->arg = arg;
+	return 1;
+	}
+
+int SSL_CTX_set_srv_supp_data(SSL_CTX *ctx,
+			      unsigned short supp_data_type,
+			      srv_supp_data_first_cb_fn fn1,
+			      srv_supp_data_second_cb_fn fn2, void* arg)
+	{
+	size_t i;
+	srv_supp_data_record* record;
+
+	/* Check for duplicates */
+	for (i=0; i < ctx->srv_supp_data_records_count; i++)
+		if (supp_data_type == ctx->srv_supp_data_records[i].supp_data_type)
+			return 0;
+
+	ctx->srv_supp_data_records = OPENSSL_realloc(ctx->srv_supp_data_records,
+	  (ctx->srv_supp_data_records_count+1) * sizeof(srv_supp_data_record));
+	if (!ctx->srv_supp_data_records)
+		{
+		ctx->srv_supp_data_records_count = 0;
+		return 0;
+		}
+	ctx->srv_supp_data_records_count++;
+	record = &ctx->srv_supp_data_records[ctx->srv_supp_data_records_count - 1];
+	record->supp_data_type = supp_data_type;
+	record->fn1 = fn1;
+	record->fn2 = fn2;
+	record->arg = arg;
+
+	return 1;
+	}
+
+#endif /* !OPENSSL_NO_TLSEXT */
+
+int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+	const char *label, size_t llen, const unsigned char *p, size_t plen,
+	int use_context)
+	{
+	if (s->version < TLS1_VERSION)
+		return -1;
+
+	return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
+							   llen, p, plen,
+							   use_context);
+	}
+
+static unsigned long ssl_session_hash(const SSL_SESSION *a)
+	{
+	unsigned long l;
+
+	l=(unsigned long)
+		((unsigned int) a->session_id[0]     )|
+		((unsigned int) a->session_id[1]<< 8L)|
+		((unsigned long)a->session_id[2]<<16L)|
+		((unsigned long)a->session_id[3]<<24L);
+	return(l);
+	}
+
+/* NB: If this function (or indeed the hash function which uses a sort of
+ * coarser function than this one) is changed, ensure
+ * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
+ * able to construct an SSL_SESSION that will collide with any existing session
+ * with a matching session ID. */
+static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
+	{
+	if (a->ssl_version != b->ssl_version)
+		return(1);
+	if (a->session_id_length != b->session_id_length)
+		return(1);
+	return(memcmp(a->session_id,b->session_id,a->session_id_length));
+	}
+
+/* These wrapper functions should remain rather than redeclaring
+ * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
+ * variable. The reason is that the functions aren't static, they're exposed via
+ * ssl.h. */
+static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION)
+static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION)
+
+SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
+	{
+	SSL_CTX *ret=NULL;
+
+	if (meth == NULL)
+		{
+		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
+		return(NULL);
+		}
+
+#ifdef OPENSSL_FIPS
+	if (FIPS_mode() && (meth->version < TLS1_VERSION))	
+		{
+		SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
+		return NULL;
+		}
+#endif
+
+	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
+		{
+		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
+		goto err;
+		}
+	ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
+	if (ret == NULL)
+		goto err;
+
+	memset(ret,0,sizeof(SSL_CTX));
+
+	ret->method=meth;
+
+	ret->cert_store=NULL;
+	ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
+	ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
+	ret->session_cache_head=NULL;
+	ret->session_cache_tail=NULL;
+
+	/* We take the system default */
+	ret->session_timeout=meth->get_timeout();
+
+	ret->new_session_cb=0;
+	ret->remove_session_cb=0;
+	ret->get_session_cb=0;
+	ret->generate_session_id=0;
+
+	memset((char *)&ret->stats,0,sizeof(ret->stats));
+
+	ret->references=1;
+	ret->quiet_shutdown=0;
+
+/*	ret->cipher=NULL;*/
+/*	ret->s2->challenge=NULL;
+	ret->master_key=NULL;
+	ret->key_arg=NULL;
+	ret->s2->conn_id=NULL; */
+
+	ret->info_callback=NULL;
+
+	ret->app_verify_callback=0;
+	ret->app_verify_arg=NULL;
+
+	ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
 	ret->read_ahead=0;
 	ret->msg_callback=0;
 	ret->msg_callback_arg=NULL;
 	ret->verify_mode=SSL_VERIFY_NONE;
+#if 0
 	ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
+#endif
 	ret->sid_ctx_length=0;
 	ret->default_verify_callback=NULL;
 	if ((ret->cert=ssl_cert_new()) == NULL)
@@ -1333,16 +2034,17 @@ SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
 	ret->default_passwd_callback=0;
 	ret->default_passwd_callback_userdata=NULL;
 	ret->client_cert_cb=0;
+	ret->app_gen_cookie_cb=0;
+	ret->app_verify_cookie_cb=0;
 
-	ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
-			LHASH_COMP_FN(SSL_SESSION_cmp));
+	ret->sessions=lh_SSL_SESSION_new();
 	if (ret->sessions == NULL) goto err;
 	ret->cert_store=X509_STORE_new();
 	if (ret->cert_store == NULL) goto err;
 
 	ssl_create_cipher_list(ret->method,
 		&ret->cipher_list,&ret->cipher_list_by_id,
-		SSL_DEFAULT_CIPHER_LIST);
+		meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST, ret->cert);
 	if (ret->cipher_list == NULL
 	    || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
 		{
@@ -1350,6 +2052,10 @@ SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
 		goto err2;
 		}
 
+	ret->param = X509_VERIFY_PARAM_new();
+	if (!ret->param)
+		goto err;
+
 	if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
 		{
 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
@@ -1372,7 +2078,87 @@ SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
 
 	ret->extra_certs=NULL;
-	ret->comp_methods=SSL_COMP_get_compression_methods();
+	/* No compression for DTLS */
+	if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))
+		ret->comp_methods=SSL_COMP_get_compression_methods();
+
+	ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
+
+#ifndef OPENSSL_NO_TLSEXT
+	ret->tlsext_servername_callback = 0;
+	ret->tlsext_servername_arg = NULL;
+	/* Setup RFC4507 ticket keys */
+	if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0)
+		|| (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0)
+		|| (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0))
+		ret->options |= SSL_OP_NO_TICKET;
+
+	ret->tlsext_status_cb = 0;
+	ret->tlsext_status_arg = NULL;
+
+# ifndef OPENSSL_NO_NEXTPROTONEG
+	ret->next_protos_advertised_cb = 0;
+	ret->next_proto_select_cb = 0;
+# endif
+#endif
+#ifndef OPENSSL_NO_PSK
+	ret->psk_identity_hint=NULL;
+	ret->psk_client_callback=NULL;
+	ret->psk_server_callback=NULL;
+#endif
+#ifndef OPENSSL_NO_SRP
+	SSL_CTX_SRP_CTX_init(ret);
+#endif
+	ret->custom_cli_ext_records = NULL;
+	ret->custom_cli_ext_records_count = 0;
+	ret->custom_srv_ext_records = NULL;
+	ret->custom_srv_ext_records_count = 0;
+	ret->cli_supp_data_records = NULL;
+	ret->cli_supp_data_records_count = 0;
+	ret->srv_supp_data_records = NULL;
+	ret->srv_supp_data_records_count = 0;
+#ifndef OPENSSL_NO_BUF_FREELISTS
+	ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
+	ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
+	if (!ret->rbuf_freelist)
+		goto err;
+	ret->rbuf_freelist->chunklen = 0;
+	ret->rbuf_freelist->len = 0;
+	ret->rbuf_freelist->head = NULL;
+	ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
+	if (!ret->wbuf_freelist)
+		{
+		OPENSSL_free(ret->rbuf_freelist);
+		goto err;
+		}
+	ret->wbuf_freelist->chunklen = 0;
+	ret->wbuf_freelist->len = 0;
+	ret->wbuf_freelist->head = NULL;
+#endif
+#ifndef OPENSSL_NO_ENGINE
+	ret->client_cert_engine = NULL;
+#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
+#define eng_strx(x)	#x
+#define eng_str(x)	eng_strx(x)
+	/* Use specific client engine automatically... ignore errors */
+	{
+	ENGINE *eng;
+	eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
+	if (!eng)
+		{
+		ERR_clear_error();
+		ENGINE_load_builtin_engines();
+		eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
+		}
+	if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
+		ERR_clear_error();
+	}
+#endif
+#endif
+	/* Default is to connect to non-RI servers. When RI is more widely
+	 * deployed might change this.
+	 */
+	ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
 
 	return(ret);
 err:
@@ -1387,6 +2173,20 @@ static void SSL_COMP_free(SSL_COMP *comp)
     { OPENSSL_free(comp); }
 #endif
 
+#ifndef OPENSSL_NO_BUF_FREELISTS
+static void
+ssl_buf_freelist_free(SSL3_BUF_FREELIST *list)
+	{
+	SSL3_BUF_FREELIST_ENTRY *ent, *next;
+	for (ent = list->head; ent; ent = next)
+		{
+		next = ent->next;
+		OPENSSL_free(ent);
+		}
+	OPENSSL_free(list);
+	}
+#endif
+
 void SSL_CTX_free(SSL_CTX *a)
 	{
 	int i;
@@ -1405,13 +2205,27 @@ void SSL_CTX_free(SSL_CTX *a)
 		abort(); /* ok */
 		}
 #endif
-	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
 
+	if (a->param)
+		X509_VERIFY_PARAM_free(a->param);
+
+	/*
+	 * Free internal session cache. However: the remove_cb() may reference
+	 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
+	 * after the sessions were flushed.
+	 * As the ex_data handling routines might also touch the session cache,
+	 * the most secure solution seems to be: empty (flush) the cache, then
+	 * free ex_data, then finally free the cache.
+	 * (See ticket [openssl.org #212].)
+	 */
 	if (a->sessions != NULL)
-		{
 		SSL_CTX_flush_sessions(a,0);
-		lh_free(a->sessions);
-		}
+
+	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
+
+	if (a->sessions != NULL)
+		lh_SSL_SESSION_free(a->sessions);
+
 	if (a->cert_store != NULL)
 		X509_STORE_free(a->cert_store);
 	if (a->cipher_list != NULL)
@@ -1430,6 +2244,45 @@ void SSL_CTX_free(SSL_CTX *a)
 #else
 	a->comp_methods = NULL;
 #endif
+
+        if (a->srtp_profiles)
+                sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
+
+#ifndef OPENSSL_NO_PSK
+	if (a->psk_identity_hint)
+		OPENSSL_free(a->psk_identity_hint);
+#endif
+#ifndef OPENSSL_NO_SRP
+	SSL_CTX_SRP_CTX_free(a);
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+	OPENSSL_free(a->custom_cli_ext_records);
+	OPENSSL_free(a->custom_srv_ext_records);
+	OPENSSL_free(a->cli_supp_data_records);
+	OPENSSL_free(a->srv_supp_data_records);
+#endif
+#ifndef OPENSSL_NO_ENGINE
+	if (a->client_cert_engine)
+		ENGINE_finish(a->client_cert_engine);
+#endif
+
+#ifndef OPENSSL_NO_BUF_FREELISTS
+	if (a->wbuf_freelist)
+		ssl_buf_freelist_free(a->wbuf_freelist);
+	if (a->rbuf_freelist)
+		ssl_buf_freelist_free(a->rbuf_freelist);
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+# ifndef OPENSSL_NO_EC
+	if (a->tlsext_ecpointformatlist)
+		OPENSSL_free(a->tlsext_ecpointformatlist);
+	if (a->tlsext_ellipticcurvelist)
+		OPENSSL_free(a->tlsext_ellipticcurvelist);
+# endif /* OPENSSL_NO_EC */
+	if (a->alpn_client_proto_list != NULL)
+		OPENSSL_free(a->alpn_client_proto_list);
+#endif
+
 	OPENSSL_free(a);
 	}
 
@@ -1443,15 +2296,10 @@ void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
 	ctx->default_passwd_callback_userdata=u;
 	}
 
-void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
+void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
 	{
-	/* now
-	 *     int (*cb)(X509_STORE_CTX *),
-	 * but should be
-	 *     int (*cb)(X509_STORE_CTX *, void *arg)
-	 */
 	ctx->app_verify_callback=cb;
-	ctx->app_verify_arg=arg; /* never used */
+	ctx->app_verify_arg=arg;
 	}
 
 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
@@ -1462,17 +2310,37 @@ void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
 
 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
 	{
-	ctx->verify_depth=depth;
+	X509_VERIFY_PARAM_set_depth(ctx->param, depth);
+	}
+
+void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb)(SSL *ssl, void *arg), void *arg)
+	{
+	ssl_cert_set_cert_cb(c->cert, cb, arg);
+	}
+
+void SSL_set_cert_cb(SSL *s, int (*cb)(SSL *ssl, void *arg), void *arg)
+	{
+	ssl_cert_set_cert_cb(s->cert, cb, arg);
 	}
 
-void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
+void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
 	{
 	CERT_PKEY *cpk;
 	int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
 	int rsa_enc_export,dh_rsa_export,dh_dsa_export;
 	int rsa_tmp_export,dh_tmp_export,kl;
-	unsigned long mask,emask;
-
+	unsigned long mask_k,mask_a,emask_k,emask_a;
+#ifndef OPENSSL_NO_ECDSA
+	int have_ecc_cert, ecdsa_ok, ecc_pkey_size;
+#endif
+#ifndef OPENSSL_NO_ECDH
+	int have_ecdh_tmp, ecdh_ok;
+#endif
+#ifndef OPENSSL_NO_EC
+	X509 *x = NULL;
+	EVP_PKEY *ecc_pkey = NULL;
+	int signature_nid = 0, pk_nid = 0, md_nid = 0;
+#endif
 	if (c == NULL) return;
 
 	kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
@@ -1492,150 +2360,364 @@ void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
 	dh_tmp=dh_tmp_export=0;
 #endif
 
+#ifndef OPENSSL_NO_ECDH
+	have_ecdh_tmp=(c->ecdh_tmp || c->ecdh_tmp_cb || c->ecdh_tmp_auto);
+#endif
 	cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
-	rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
+	rsa_enc= cpk->valid_flags & CERT_PKEY_VALID;
 	rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
 	cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
-	rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
+	rsa_sign= cpk->valid_flags & CERT_PKEY_SIGN;
 	cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
-	dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
+	dsa_sign= cpk->valid_flags & CERT_PKEY_SIGN;
 	cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
-	dh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
+	dh_rsa=  cpk->valid_flags & CERT_PKEY_VALID;
 	dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
 	cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
 /* FIX THIS EAY EAY EAY */
-	dh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
+	dh_dsa=  cpk->valid_flags & CERT_PKEY_VALID;
 	dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
+	cpk= &(c->pkeys[SSL_PKEY_ECC]);
+#ifndef OPENSSL_NO_EC
+	have_ecc_cert= cpk->valid_flags & CERT_PKEY_VALID;
+#endif
+	mask_k=0;
+	mask_a=0;
+	emask_k=0;
+	emask_a=0;
 
-	mask=0;
-	emask=0;
+	
 
 #ifdef CIPHER_DEBUG
-	printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
-		rsa_tmp,rsa_tmp_export,dh_tmp,
+	printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
+	        rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,
 		rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
 #endif
+	
+	cpk = &(c->pkeys[SSL_PKEY_GOST01]);
+	if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
+		mask_k |= SSL_kGOST;
+		mask_a |= SSL_aGOST01;
+	}
+	cpk = &(c->pkeys[SSL_PKEY_GOST94]);
+	if (cpk->x509 != NULL && cpk->privatekey !=NULL) {
+		mask_k |= SSL_kGOST;
+		mask_a |= SSL_aGOST94;
+	}
 
 	if (rsa_enc || (rsa_tmp && rsa_sign))
-		mask|=SSL_kRSA;
+		mask_k|=SSL_kRSA;
 	if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
-		emask|=SSL_kRSA;
+		emask_k|=SSL_kRSA;
 
 #if 0
-	/* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
-	if (	(dh_tmp || dh_rsa || dh_dsa) && 
+	/* The match needs to be both kDHE and aRSA or aDSA, so don't worry */
+	if (	(dh_tmp || dh_rsa || dh_dsa) &&
 		(rsa_enc || rsa_sign || dsa_sign))
-		mask|=SSL_kEDH;
+		mask_k|=SSL_kDHE;
 	if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
 		(rsa_enc || rsa_sign || dsa_sign))
-		emask|=SSL_kEDH;
+		emask_k|=SSL_kDHE;
 #endif
 
-	if (dh_tmp_export) 
-		emask|=SSL_kEDH;
+	if (dh_tmp_export)
+		emask_k|=SSL_kDHE;
 
 	if (dh_tmp)
-		mask|=SSL_kEDH;
+		mask_k|=SSL_kDHE;
 
-	if (dh_rsa) mask|=SSL_kDHr;
-	if (dh_rsa_export) emask|=SSL_kDHr;
+	if (dh_rsa) mask_k|=SSL_kDHr;
+	if (dh_rsa_export) emask_k|=SSL_kDHr;
 
-	if (dh_dsa) mask|=SSL_kDHd;
-	if (dh_dsa_export) emask|=SSL_kDHd;
+	if (dh_dsa) mask_k|=SSL_kDHd;
+	if (dh_dsa_export) emask_k|=SSL_kDHd;
+
+	if (emask_k & (SSL_kDHr|SSL_kDHd))
+		mask_a |= SSL_aDH;
 
 	if (rsa_enc || rsa_sign)
 		{
-		mask|=SSL_aRSA;
-		emask|=SSL_aRSA;
+		mask_a|=SSL_aRSA;
+		emask_a|=SSL_aRSA;
 		}
 
 	if (dsa_sign)
 		{
-		mask|=SSL_aDSS;
-		emask|=SSL_aDSS;
+		mask_a|=SSL_aDSS;
+		emask_a|=SSL_aDSS;
 		}
 
-	mask|=SSL_aNULL;
-	emask|=SSL_aNULL;
+	mask_a|=SSL_aNULL;
+	emask_a|=SSL_aNULL;
 
 #ifndef OPENSSL_NO_KRB5
-	mask|=SSL_kKRB5|SSL_aKRB5;
-	emask|=SSL_kKRB5|SSL_aKRB5;
+	mask_k|=SSL_kKRB5;
+	mask_a|=SSL_aKRB5;
+	emask_k|=SSL_kKRB5;
+	emask_a|=SSL_aKRB5;
+#endif
+
+	/* An ECC certificate may be usable for ECDH and/or
+	 * ECDSA cipher suites depending on the key usage extension.
+	 */
+#ifndef OPENSSL_NO_EC
+	if (have_ecc_cert)
+		{
+		cpk = &c->pkeys[SSL_PKEY_ECC];
+		x = cpk->x509;
+		/* This call populates extension flags (ex_flags) */
+		X509_check_purpose(x, -1, 0);
+		ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
+		    (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
+		ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
+		    (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
+		if (!(cpk->valid_flags & CERT_PKEY_SIGN))
+			ecdsa_ok = 0;
+		ecc_pkey = X509_get_pubkey(x);
+		ecc_pkey_size = (ecc_pkey != NULL) ?
+		    EVP_PKEY_bits(ecc_pkey) : 0;
+		EVP_PKEY_free(ecc_pkey);
+		if ((x->sig_alg) && (x->sig_alg->algorithm))
+			{
+			signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+			OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
+			}
+#ifndef OPENSSL_NO_ECDH
+		if (ecdh_ok)
+			{
+
+			if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa)
+				{
+				mask_k|=SSL_kECDHr;
+				mask_a|=SSL_aECDH;
+				if (ecc_pkey_size <= 163)
+					{
+					emask_k|=SSL_kECDHr;
+					emask_a|=SSL_aECDH;
+					}
+				}
+
+			if (pk_nid == NID_X9_62_id_ecPublicKey)
+				{
+				mask_k|=SSL_kECDHe;
+				mask_a|=SSL_aECDH;
+				if (ecc_pkey_size <= 163)
+					{
+					emask_k|=SSL_kECDHe;
+					emask_a|=SSL_aECDH;
+					}
+				}
+			}
+#endif
+#ifndef OPENSSL_NO_ECDSA
+		if (ecdsa_ok)
+			{
+			mask_a|=SSL_aECDSA;
+			emask_a|=SSL_aECDSA;
+			}
+#endif
+		}
 #endif
 
-	c->mask=mask;
-	c->export_mask=emask;
+#ifndef OPENSSL_NO_ECDH
+	if (have_ecdh_tmp)
+		{
+		mask_k|=SSL_kECDHE;
+		emask_k|=SSL_kECDHE;
+		}
+#endif
+
+#ifndef OPENSSL_NO_PSK
+	mask_k |= SSL_kPSK;
+	mask_a |= SSL_aPSK;
+	emask_k |= SSL_kPSK;
+	emask_a |= SSL_aPSK;
+#endif
+
+	c->mask_k=mask_k;
+	c->mask_a=mask_a;
+	c->export_mask_k=emask_k;
+	c->export_mask_a=emask_a;
 	c->valid=1;
 	}
 
-/* THIS NEEDS CLEANING UP */
-X509 *ssl_get_server_send_cert(SSL *s)
+/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
+#define ku_reject(x, usage) \
+	(((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
+
+#ifndef OPENSSL_NO_EC
+
+int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
 	{
-	unsigned long alg,mask,kalg;
-	CERT *c;
-	int i,is_export;
+	unsigned long alg_k, alg_a;
+	EVP_PKEY *pkey = NULL;
+	int keysize = 0;
+	int signature_nid = 0, md_nid = 0, pk_nid = 0;
+	const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
 
-	c=s->cert;
-	ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
-	alg=s->s3->tmp.new_cipher->algorithms;
-	is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
-	mask=is_export?c->export_mask:c->mask;
-	kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
-
-	if 	(kalg & SSL_kDHr)
-		i=SSL_PKEY_DH_RSA;
-	else if (kalg & SSL_kDHd)
-		i=SSL_PKEY_DH_DSA;
-	else if (kalg & SSL_aDSS)
-		i=SSL_PKEY_DSA_SIGN;
-	else if (kalg & SSL_aRSA)
-		{
-		if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
-			i=SSL_PKEY_RSA_SIGN;
-		else
-			i=SSL_PKEY_RSA_ENC;
+	alg_k = cs->algorithm_mkey;
+	alg_a = cs->algorithm_auth;
+
+	if (SSL_C_IS_EXPORT(cs))
+		{
+		/* ECDH key length in export ciphers must be <= 163 bits */
+		pkey = X509_get_pubkey(x);
+		if (pkey == NULL) return 0;
+		keysize = EVP_PKEY_bits(pkey);
+		EVP_PKEY_free(pkey);
+		if (keysize > 163) return 0;
 		}
-	else if (kalg & SSL_aKRB5)
+
+	/* This call populates the ex_flags field correctly */
+	X509_check_purpose(x, -1, 0);
+	if ((x->sig_alg) && (x->sig_alg->algorithm))
 		{
-		/* VRS something else here? */
-		return(NULL);
+		signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+		OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
 		}
-	else /* if (kalg & SSL_aNULL) */
+	if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr)
 		{
-		SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
-		return(NULL);
+		/* key usage, if present, must allow key agreement */
+		if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
+			{
+			SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
+			return 0;
+			}
+		if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
+			{
+			/* signature alg must be ECDSA */
+			if (pk_nid != NID_X9_62_id_ecPublicKey)
+				{
+				SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
+				return 0;
+				}
+			}
+		if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
+			{
+			/* signature alg must be RSA */
+
+			if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa)
+				{
+				SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
+				return 0;
+				}
+			}
+		}
+	if (alg_a & SSL_aECDSA)
+		{
+		/* key usage, if present, must allow signing */
+		if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
+			{
+			SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
+			return 0;
+			}
 		}
-	if (c->pkeys[i].x509 == NULL) return(NULL);
-	return(c->pkeys[i].x509);
+
+	return 1;  /* all checks are ok */
 	}
 
-EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
+#endif
+
+static int ssl_get_server_cert_index(const SSL *s)
+	{
+	int idx;
+	idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);
+	if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509)
+		idx = SSL_PKEY_RSA_SIGN;
+	if (idx == -1)
+		SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX,ERR_R_INTERNAL_ERROR);
+	return idx;
+	}
+
+CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
 	{
-	unsigned long alg;
 	CERT *c;
+	int i;
+
+	c = s->cert;
+	ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
+
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+	/* Broken protocol test: return last used certificate: which may
+	 * mismatch the one expected.
+	 */
+	if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)
+		return c->key;
+#endif
 
-	alg=cipher->algorithms;
+	i = ssl_get_server_cert_index(s);
+
+	/* This may or may not be an error. */
+	if (i < 0)
+		return NULL;
+
+	/* May be NULL. */
+	return &c->pkeys[i];
+	}
+
+EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
+	{
+	unsigned long alg_a;
+	CERT *c;
+	int idx = -1;
+
+	alg_a = cipher->algorithm_auth;
 	c=s->cert;
 
-	if ((alg & SSL_aDSS) &&
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+	/* Broken protocol test: use last key: which may
+	 * mismatch the one expected.
+	 */
+	if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)
+		idx = c->key - c->pkeys;
+	else
+#endif
+
+	if ((alg_a & SSL_aDSS) &&
 		(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
-		return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
-	else if (alg & SSL_aRSA)
+		idx = SSL_PKEY_DSA_SIGN;
+	else if (alg_a & SSL_aRSA)
 		{
 		if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
+			idx = SSL_PKEY_RSA_SIGN;
 		else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
-			return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
-		else
-			return(NULL);
+			idx = SSL_PKEY_RSA_ENC;
 		}
-	else /* if (alg & SSL_aNULL) */
+	else if ((alg_a & SSL_aECDSA) &&
+	         (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
+		idx = SSL_PKEY_ECC;
+	if (idx == -1)
 		{
 		SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
 		return(NULL);
 		}
+	if (pmd)
+		*pmd = c->pkeys[idx].digest;
+	return c->pkeys[idx].privatekey;
 	}
 
+#ifndef OPENSSL_NO_TLSEXT
+int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
+				   size_t *serverinfo_length)
+	{
+	CERT *c = NULL;
+	int i = 0;
+	*serverinfo_length = 0;
+
+	c = s->cert;
+	i = ssl_get_server_cert_index(s);
+
+	if (i == -1)
+		return 0;
+	if (c->pkeys[i].serverinfo == NULL)
+		return 0;
+
+	*serverinfo = c->pkeys[i].serverinfo;
+	*serverinfo_length = c->pkeys[i].serverinfo_length;
+	return 1;
+	}
+#endif
+
 void ssl_update_cache(SSL *s,int mode)
 	{
 	int i;
@@ -1644,14 +2726,14 @@ void ssl_update_cache(SSL *s,int mode)
 	 * and it would be rather hard to do anyway :-) */
 	if (s->session->session_id_length == 0) return;
 
-	i=s->ctx->session_cache_mode;
+	i=s->session_ctx->session_cache_mode;
 	if ((i & mode) && (!s->hit)
-		&& ((i & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)
-		    || SSL_CTX_add_session(s->ctx,s->session))
-		&& (s->ctx->new_session_cb != NULL))
+		&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
+		    || SSL_CTX_add_session(s->session_ctx,s->session))
+		&& (s->session_ctx->new_session_cb != NULL))
 		{
 		CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
-		if (!s->ctx->new_session_cb(s,s->session))
+		if (!s->session_ctx->new_session_cb(s,s->session))
 			SSL_SESSION_free(s->session);
 		}
 
@@ -1660,20 +2742,25 @@ void ssl_update_cache(SSL *s,int mode)
 		((i & mode) == mode))
 		{
 		if (  (((mode & SSL_SESS_CACHE_CLIENT)
-			?s->ctx->stats.sess_connect_good
-			:s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
+			?s->session_ctx->stats.sess_connect_good
+			:s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff)
 			{
-			SSL_CTX_flush_sessions(s->ctx,time(NULL));
+			SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL));
 			}
 		}
 	}
 
-SSL_METHOD *SSL_get_ssl_method(SSL *s)
+const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx)
+	{
+	return ctx->method;
+	}
+
+const SSL_METHOD *SSL_get_ssl_method(SSL *s)
 	{
 	return(s->method);
 	}
 
-int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
+int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
 	{
 	int conn= -1;
 	int ret=1;
@@ -1700,7 +2787,7 @@ int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
 	return(ret);
 	}
 
-int SSL_get_error(SSL *s,int i)
+int SSL_get_error(const SSL *s,int i)
 	{
 	int reason;
 	unsigned long l;
@@ -1816,6 +2903,8 @@ void SSL_set_accept_state(SSL *s)
 	s->handshake_func=s->method->ssl_accept;
 	/* clear the current cipher */
 	ssl_clear_cipher_ctx(s);
+	ssl_clear_hash_ctx(&s->read_hash);
+	ssl_clear_hash_ctx(&s->write_hash);
 	}
 
 void SSL_set_connect_state(SSL *s)
@@ -1826,6 +2915,8 @@ void SSL_set_connect_state(SSL *s)
 	s->handshake_func=s->method->ssl_connect;
 	/* clear the current cipher */
 	ssl_clear_cipher_ctx(s);
+	ssl_clear_hash_ctx(&s->read_hash);
+	ssl_clear_hash_ctx(&s->write_hash);
 	}
 
 int ssl_undefined_function(SSL *s)
@@ -1834,15 +2925,31 @@ int ssl_undefined_function(SSL *s)
 	return(0);
 	}
 
+int ssl_undefined_void_function(void)
+	{
+	SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+	return(0);
+	}
+
+int ssl_undefined_const_function(const SSL *s)
+	{
+	SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+	return(0);
+	}
+
 SSL_METHOD *ssl_bad_method(int ver)
 	{
 	SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
 	return(NULL);
 	}
 
-const char *SSL_get_version(SSL *s)
+const char *SSL_get_version(const SSL *s)
 	{
-	if (s->version == TLS1_VERSION)
+	if (s->version == TLS1_2_VERSION)
+		return("TLSv1.2");
+	else if (s->version == TLS1_1_VERSION)
+		return("TLSv1.1");
+	else if (s->version == TLS1_VERSION)
 		return("TLSv1");
 	else if (s->version == SSL3_VERSION)
 		return("SSLv3");
@@ -1858,7 +2965,7 @@ SSL *SSL_dup(SSL *s)
 	X509_NAME *xn;
 	SSL *ret;
 	int i;
-		 
+	
 	if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
 	    return(NULL);
 
@@ -1878,6 +2985,7 @@ SSL *SSL_dup(SSL *s)
 		 * they should not both point to the same object,
 		 * and thus we can't use SSL_copy_session_id. */
 
+		ret->method->ssl_free(ret);
 		ret->method = s->method;
 		ret->method->ssl_new(ret);
 
@@ -1935,6 +3043,7 @@ SSL *SSL_dup(SSL *s)
 	ret->in_handshake = s->in_handshake;
 	ret->handshake_func = s->handshake_func;
 	ret->server = s->server;
+	ret->renegotiate = s->renegotiate;
 	ret->new_session = s->new_session;
 	ret->quiet_shutdown = s->quiet_shutdown;
 	ret->shutdown=s->shutdown;
@@ -1942,8 +3051,8 @@ SSL *SSL_dup(SSL *s)
 	ret->rstate=s->rstate;
 	ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
 	ret->hit=s->hit;
-	ret->purpose=s->purpose;
-	ret->trust=s->trust;
+
+	X509_VERIFY_PARAM_inherit(ret->param, s->param);
 
 	/* dup the cipher_list and cipher_list_by_id stacks */
 	if (s->cipher_list != NULL)
@@ -1995,6 +3104,7 @@ void ssl_clear_cipher_ctx(SSL *s)
 		OPENSSL_free(s->enc_write_ctx);
 		s->enc_write_ctx=NULL;
 		}
+#ifndef OPENSSL_NO_COMP
 	if (s->expand != NULL)
 		{
 		COMP_CTX_free(s->expand);
@@ -2005,10 +3115,10 @@ void ssl_clear_cipher_ctx(SSL *s)
 		COMP_CTX_free(s->compress);
 		s->compress=NULL;
 		}
+#endif
 	}
 
-/* Fix this function so that it takes an optional type parameter */
-X509 *SSL_get_certificate(SSL *s)
+X509 *SSL_get_certificate(const SSL *s)
 	{
 	if (s->cert != NULL)
 		return(s->cert->key->x509);
@@ -2016,8 +3126,7 @@ X509 *SSL_get_certificate(SSL *s)
 		return(NULL);
 	}
 
-/* Fix this function so that it takes an optional type parameter */
-EVP_PKEY *SSL_get_privatekey(SSL *s)
+EVP_PKEY *SSL_get_privatekey(const SSL *s)
 	{
 	if (s->cert != NULL)
 		return(s->cert->key->privatekey);
@@ -2025,12 +3134,53 @@ EVP_PKEY *SSL_get_privatekey(SSL *s)
 		return(NULL);
 	}
 
-SSL_CIPHER *SSL_get_current_cipher(SSL *s)
+X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx)
+	{
+	if (ctx->cert != NULL)
+		return ctx->cert->key->x509;
+	else
+		return NULL;
+	}
+
+EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx)
+	{
+	if (ctx->cert != NULL)
+		return ctx->cert->key->privatekey;
+	else
+		return NULL ;
+	}
+
+const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
 	{
 	if ((s->session != NULL) && (s->session->cipher != NULL))
 		return(s->session->cipher);
 	return(NULL);
 	}
+#ifdef OPENSSL_NO_COMP
+const void *SSL_get_current_compression(SSL *s)
+	{
+	return NULL;
+	}
+const void *SSL_get_current_expansion(SSL *s)
+	{
+	return NULL;
+	}
+#else
+
+const COMP_METHOD *SSL_get_current_compression(SSL *s)
+	{
+	if (s->compress != NULL)
+		return(s->compress->meth);
+	return(NULL);
+	}
+
+const COMP_METHOD *SSL_get_current_expansion(SSL *s)
+	{
+	if (s->expand != NULL)
+		return(s->expand->meth);
+	return(NULL);
+	}
+#endif
 
 int ssl_init_wbio_buffer(SSL *s,int push)
 	{
@@ -2078,7 +3228,7 @@ void ssl_free_wbio_buffer(SSL *s)
 		s->wbio=BIO_pop(s->wbio);
 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
 		assert(s->wbio != NULL);
-#endif	
+#endif
 	}
 	BIO_free(s->bbio);
 	s->bbio=NULL;
@@ -2089,7 +3239,7 @@ void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
 	ctx->quiet_shutdown=mode;
 	}
 
-int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
+int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
 	{
 	return(ctx->quiet_shutdown);
 	}
@@ -2099,7 +3249,7 @@ void SSL_set_quiet_shutdown(SSL *s,int mode)
 	s->quiet_shutdown=mode;
 	}
 
-int SSL_get_quiet_shutdown(SSL *s)
+int SSL_get_quiet_shutdown(const SSL *s)
 	{
 	return(s->quiet_shutdown);
 	}
@@ -2109,21 +3259,39 @@ void SSL_set_shutdown(SSL *s,int mode)
 	s->shutdown=mode;
 	}
 
-int SSL_get_shutdown(SSL *s)
+int SSL_get_shutdown(const SSL *s)
 	{
 	return(s->shutdown);
 	}
 
-int SSL_version(SSL *s)
+int SSL_version(const SSL *s)
 	{
 	return(s->version);
 	}
 
-SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
+SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
 	{
 	return(ssl->ctx);
 	}
 
+SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
+	{
+	if (ssl->ctx == ctx)
+		return ssl->ctx;
+#ifndef OPENSSL_NO_TLSEXT
+	if (ctx == NULL)
+		ctx = ssl->initial_ctx;
+#endif
+	if (ssl->cert != NULL)
+		ssl_cert_free(ssl->cert);
+	ssl->cert = ssl_cert_dup(ctx->cert);
+	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
+	if (ssl->ctx != NULL)
+		SSL_CTX_free(ssl->ctx); /* decrement reference count */
+	ssl->ctx = ctx;
+	return(ssl->ctx);
+	}
+
 #ifndef OPENSSL_NO_STDIO
 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
 	{
@@ -2138,27 +3306,34 @@ int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
 #endif
 
 void SSL_set_info_callback(SSL *ssl,
-			   void (*cb)(const SSL *ssl,int type,int val))
+	void (*cb)(const SSL *ssl,int type,int val))
 	{
 	ssl->info_callback=cb;
 	}
 
-void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val)
+/* One compiler (Diab DCC) doesn't like argument names in returned
+   function pointer.  */
+void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
 	{
 	return ssl->info_callback;
 	}
 
-int SSL_state(SSL *ssl)
+int SSL_state(const SSL *ssl)
 	{
 	return(ssl->state);
 	}
 
+void SSL_set_state(SSL *ssl, int state)
+	{
+	ssl->state = state;
+	}
+
 void SSL_set_verify_result(SSL *ssl,long arg)
 	{
 	ssl->verify_result=arg;
 	}
 
-long SSL_get_verify_result(SSL *ssl)
+long SSL_get_verify_result(const SSL *ssl)
 	{
 	return(ssl->verify_result);
 	}
@@ -2175,7 +3350,7 @@ int SSL_set_ex_data(SSL *s,int idx,void *arg)
 	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
 	}
 
-void *SSL_get_ex_data(SSL *s,int idx)
+void *SSL_get_ex_data(const SSL *s,int idx)
 	{
 	return(CRYPTO_get_ex_data(&s->ex_data,idx));
 	}
@@ -2192,7 +3367,7 @@ int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
 	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
 	}
 
-void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
+void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
 	{
 	return(CRYPTO_get_ex_data(&s->ex_data,idx));
 	}
@@ -2202,7 +3377,7 @@ int ssl_ok(SSL *s)
 	return(1);
 	}
 
-X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
+X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
 	{
 	return(ctx->cert_store);
 	}
@@ -2214,7 +3389,7 @@ void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
 	ctx->cert_store=store;
 	}
 
-int SSL_want(SSL *s)
+int SSL_want(const SSL *s)
 	{
 	return(s->rwstate);
 	}
@@ -2230,14 +3405,14 @@ void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
 							  int is_export,
 							  int keylength))
     {
-    SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+    SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
     }
 
 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
 						  int is_export,
 						  int keylength))
     {
-    SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+    SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
     }
 #endif
 
@@ -2264,29 +3439,180 @@ RSA *cb(SSL *ssl,int is_export,int keylength)
 
 #ifndef OPENSSL_NO_DH
 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
-							int keylength))
+                                                        int keylength))
 	{
-	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
 	}
 
 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
-						int keylength))
+                                                int keylength))
+	{
+	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
+	}
+#endif
+
+#ifndef OPENSSL_NO_ECDH
+void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
+                                                                int keylength))
+	{
+	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
+	}
+
+void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
+                                                        int keylength))
 	{
-	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
 	}
 #endif
 
+#ifndef OPENSSL_NO_PSK
+int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
+	{
+	if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+		{
+		SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+		return 0;
+		}
+	if (ctx->psk_identity_hint != NULL)
+		OPENSSL_free(ctx->psk_identity_hint);
+	if (identity_hint != NULL)
+		{
+		ctx->psk_identity_hint = BUF_strdup(identity_hint);
+		if (ctx->psk_identity_hint == NULL)
+			return 0;
+		}
+	else
+		ctx->psk_identity_hint = NULL;
+	return 1;
+	}
+
+int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
+	{
+	if (s == NULL)
+		return 0;
+
+	if (s->session == NULL)
+		return 1; /* session not created yet, ignored */
+
+	if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+		{
+		SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+		return 0;
+		}
+	if (s->session->psk_identity_hint != NULL)
+		OPENSSL_free(s->session->psk_identity_hint);
+	if (identity_hint != NULL)
+		{
+		s->session->psk_identity_hint = BUF_strdup(identity_hint);
+		if (s->session->psk_identity_hint == NULL)
+			return 0;
+		}
+	else
+		s->session->psk_identity_hint = NULL;
+	return 1;
+	}
+
+const char *SSL_get_psk_identity_hint(const SSL *s)
+	{
+	if (s == NULL || s->session == NULL)
+		return NULL;
+	return(s->session->psk_identity_hint);
+	}
+
+const char *SSL_get_psk_identity(const SSL *s)
+	{
+	if (s == NULL || s->session == NULL)
+		return NULL;
+	return(s->session->psk_identity);
+	}
+
+void SSL_set_psk_client_callback(SSL *s,
+    unsigned int (*cb)(SSL *ssl, const char *hint,
+                       char *identity, unsigned int max_identity_len, unsigned char *psk,
+                       unsigned int max_psk_len))
+	{
+	s->psk_client_callback = cb;
+	}
+
+void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
+    unsigned int (*cb)(SSL *ssl, const char *hint,
+                       char *identity, unsigned int max_identity_len, unsigned char *psk,
+                       unsigned int max_psk_len))
+	{
+	ctx->psk_client_callback = cb;
+	}
+
+void SSL_set_psk_server_callback(SSL *s,
+    unsigned int (*cb)(SSL *ssl, const char *identity,
+                       unsigned char *psk, unsigned int max_psk_len))
+	{
+	s->psk_server_callback = cb;
+	}
+
+void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
+    unsigned int (*cb)(SSL *ssl, const char *identity,
+                       unsigned char *psk, unsigned int max_psk_len))
+	{
+	ctx->psk_server_callback = cb;
+	}
+#endif
 
 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
 	{
-	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
+	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
 	}
 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
 	{
-	SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
+	SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
+	}
+
+void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
+	int (*cb)(SSL *ssl, int is_forward_secure))
+	{
+	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
+		(void (*)(void))cb);
+	}
+void SSL_set_not_resumable_session_callback(SSL *ssl,
+	int (*cb)(SSL *ssl, int is_forward_secure))
+	{
+	SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
+		(void (*)(void))cb);
+	}
+
+/* Allocates new EVP_MD_CTX and sets pointer to it into given pointer
+ * vairable, freeing  EVP_MD_CTX previously stored in that variable, if
+ * any. If EVP_MD pointer is passed, initializes ctx with this md
+ * Returns newly allocated ctx;
+ */
+
+EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) 
+{
+	ssl_clear_hash_ctx(hash);
+	*hash = EVP_MD_CTX_create();
+	if (md) EVP_DigestInit_ex(*hash,md,NULL);
+	return *hash;
+}
+void ssl_clear_hash_ctx(EVP_MD_CTX **hash) 
+{
+
+	if (*hash) EVP_MD_CTX_destroy(*hash);
+	*hash=NULL;
+}
+
+void SSL_set_debug(SSL *s, int debug)
+	{
+	s->debug = debug;
 	}
 
+int SSL_cache_hit(SSL *s)
+	{
+	return s->hit;
+	}
 
+int SSL_is_server(SSL *s)
+	{
+	return s->server;
+	}
 
 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
 #include "../crypto/bio/bss_file.c"
@@ -2294,3 +3620,5 @@ void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int con
 
 IMPLEMENT_STACK_OF(SSL_CIPHER)
 IMPLEMENT_STACK_OF(SSL_COMP)
+IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
+				    ssl_cipher_id);