sl@0: /*! \file ssl/ssl_lib.c
sl@0:  *  \brief Version independent SSL functions.
sl@0:  */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
sl@0:  * ECC cipher suite support in OpenSSL originally developed by 
sl@0:  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
sl@0:  */
sl@0: /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0:  
sl@0: #ifdef REF_CHECK
sl@0: #  include <assert.h>
sl@0: #endif
sl@0: #include <stdio.h>
sl@0: #include "ssl_locl.h"
sl@0: #include "kssl_lcl.h"
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/lhash.h>
sl@0: #include <openssl/x509v3.h>
sl@0: #ifndef OPENSSL_NO_DH
sl@0: #include <openssl/dh.h>
sl@0: #endif
sl@0: 
sl@0: #ifdef EMULATOR
sl@0: 	#include "libssl_wsd.h"
sl@0: #endif
sl@0: 
sl@0: const char *SSL_version_str=OPENSSL_VERSION_TEXT;
sl@0: 
sl@0: #ifdef EMULATOR
sl@0: 	GET_GLOBAL_VAR_FROM_TLS(ssl3_undef_enc_method,ssl_lib,SSL3_ENC_METHOD)
sl@0: 	
sl@0: 	#define ssl3_undef_enc_method (GET_WSD_VAR_NAME(ssl3_undef_enc_method,ssl_lib,g)())
sl@0: #endif
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: SSL3_ENC_METHOD ssl3_undef_enc_method={
sl@0: #else
sl@0: const SSL3_ENC_METHOD temp_ssl3_undef_enc_method={
sl@0: #endif
sl@0: 	/* evil casts, but these functions are only called if there's a library bug */
sl@0: 	(int (*)(SSL *,int))ssl_undefined_function,
sl@0: 	(int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
sl@0: 	ssl_undefined_function,
sl@0: 	(int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
sl@0: 	(int (*)(SSL*, int))ssl_undefined_function,
sl@0: 	(int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function,
sl@0: 	0,	/* finish_mac_length */
sl@0: 	(int (*)(SSL *, EVP_MD_CTX *, unsigned char *))ssl_undefined_function,
sl@0: 	NULL,	/* client_finished_label */
sl@0: 	0,	/* client_finished_label_len */
sl@0: 	NULL,	/* server_finished_label */
sl@0: 	0,	/* server_finished_label_len */
sl@0: 	(int (*)(int))ssl_undefined_function
sl@0: 	};
sl@0: 
sl@0: EXPORT_C int SSL_clear(SSL *s)
sl@0: 	{
sl@0: 
sl@0: 	if (s->method == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
sl@0: 		return(0);
sl@0: 		}
sl@0: 
sl@0: 	if (ssl_clear_bad_session(s))
sl@0: 		{
sl@0: 		SSL_SESSION_free(s->session);
sl@0: 		s->session=NULL;
sl@0: 		}
sl@0: 
sl@0: 	s->error=0;
sl@0: 	s->hit=0;
sl@0: 	s->shutdown=0;
sl@0: 
sl@0: #if 0 /* Disabled since version 1.10 of this file (early return not
sl@0:        * needed because SSL_clear is not called when doing renegotiation) */
sl@0: 	/* This is set if we are doing dynamic renegotiation so keep
sl@0: 	 * the old cipher.  It is sort of a SSL_clear_lite :-) */
sl@0: 	if (s->new_session) return(1);
sl@0: #else
sl@0: 	if (s->new_session)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
sl@0: 		return 0;
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: 	s->type=0;
sl@0: 
sl@0: 	s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
sl@0: 
sl@0: 	s->version=s->method->version;
sl@0: 	s->client_version=s->version;
sl@0: 	s->rwstate=SSL_NOTHING;
sl@0: 	s->rstate=SSL_ST_READ_HEADER;
sl@0: #if 0
sl@0: 	s->read_ahead=s->ctx->read_ahead;
sl@0: #endif
sl@0: 
sl@0: 	if (s->init_buf != NULL)
sl@0: 		{
sl@0: 		BUF_MEM_free(s->init_buf);
sl@0: 		s->init_buf=NULL;
sl@0: 		}
sl@0: 
sl@0: 	ssl_clear_cipher_ctx(s);
sl@0: 
sl@0: 	s->first_packet=0;
sl@0: 
sl@0: #if 1
sl@0: 	/* Check to see if we were changed into a different method, if
sl@0: 	 * so, revert back if we are not doing session-id reuse. */
sl@0: 	if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
sl@0: 		{
sl@0: 		s->method->ssl_free(s);
sl@0: 		s->method=s->ctx->method;
sl@0: 		if (!s->method->ssl_new(s))
sl@0: 			return(0);
sl@0: 		}
sl@0: 	else
sl@0: #endif
sl@0: 		s->method->ssl_clear(s);
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: /** Used to change an SSL_CTXs default SSL method type */
sl@0: EXPORT_C int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
sl@0: 	{
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 
sl@0: 	ctx->method=meth;
sl@0: 
sl@0: 	sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
sl@0: 		&(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
sl@0: 	if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL *SSL_new(SSL_CTX *ctx)
sl@0: 	{
sl@0: 	SSL *s;
sl@0: 
sl@0: 	if (ctx == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	if (ctx->method == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 
sl@0: 	s=(SSL *)OPENSSL_malloc(sizeof(SSL));
sl@0: 	if (s == NULL) goto err;
sl@0: 	memset(s,0,sizeof(SSL));
sl@0: 
sl@0: #ifndef	OPENSSL_NO_KRB5
sl@0: 	s->kssl_ctx = kssl_ctx_new();
sl@0: #endif	/* OPENSSL_NO_KRB5 */
sl@0: 
sl@0: 	s->options=ctx->options;
sl@0: 	s->mode=ctx->mode;
sl@0: 	s->max_cert_list=ctx->max_cert_list;
sl@0: 
sl@0: 	if (ctx->cert != NULL)
sl@0: 		{
sl@0: 		/* Earlier library versions used to copy the pointer to
sl@0: 		 * the CERT, not its contents; only when setting new
sl@0: 		 * parameters for the per-SSL copy, ssl_cert_new would be
sl@0: 		 * called (and the direct reference to the per-SSL_CTX
sl@0: 		 * settings would be lost, but those still were indirectly
sl@0: 		 * accessed for various purposes, and for that reason they
sl@0: 		 * used to be known as s->ctx->default_cert).
sl@0: 		 * Now we don't look at the SSL_CTX's CERT after having
sl@0: 		 * duplicated it once. */
sl@0: 
sl@0: 		s->cert = ssl_cert_dup(ctx->cert);
sl@0: 		if (s->cert == NULL)
sl@0: 			goto err;
sl@0: 		}
sl@0: 	else
sl@0: 		s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
sl@0: 
sl@0: 	s->read_ahead=ctx->read_ahead;
sl@0: 	s->msg_callback=ctx->msg_callback;
sl@0: 	s->msg_callback_arg=ctx->msg_callback_arg;
sl@0: 	s->verify_mode=ctx->verify_mode;
sl@0: #if 0
sl@0: 	s->verify_depth=ctx->verify_depth;
sl@0: #endif
sl@0: 	s->sid_ctx_length=ctx->sid_ctx_length;
sl@0: 	OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
sl@0: 	memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
sl@0: 	s->verify_callback=ctx->default_verify_callback;
sl@0: 	s->generate_session_id=ctx->generate_session_id;
sl@0: 
sl@0: 	s->param = X509_VERIFY_PARAM_new();
sl@0: 	if (!s->param)
sl@0: 		goto err;
sl@0: 	X509_VERIFY_PARAM_inherit(s->param, ctx->param);
sl@0: #if 0
sl@0: 	s->purpose = ctx->purpose;
sl@0: 	s->trust = ctx->trust;
sl@0: #endif
sl@0: 	s->quiet_shutdown=ctx->quiet_shutdown;
sl@0: 
sl@0: 	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
sl@0: 	s->ctx=ctx;
sl@0: 
sl@0: 	s->verify_result=X509_V_OK;
sl@0: 
sl@0: 	s->method=ctx->method;
sl@0: 
sl@0: 	if (!s->method->ssl_new(s))
sl@0: 		goto err;
sl@0: 
sl@0: 	s->references=1;
sl@0: 	s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
sl@0: 
sl@0: 	SSL_clear(s);
sl@0: 
sl@0: 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
sl@0: 
sl@0: 	return(s);
sl@0: err:
sl@0: 	if (s != NULL)
sl@0: 		{
sl@0: 		if (s->cert != NULL)
sl@0: 			ssl_cert_free(s->cert);
sl@0: 		if (s->ctx != NULL)
sl@0: 			SSL_CTX_free(s->ctx); /* decrement reference count */
sl@0: 		OPENSSL_free(s);
sl@0: 		}
sl@0: 	SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
sl@0: 				   unsigned int sid_ctx_len)
sl@0:     {
sl@0:     if(sid_ctx_len > sizeof ctx->sid_ctx)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
sl@0: 	return 0;
sl@0: 	}
sl@0:     ctx->sid_ctx_length=sid_ctx_len;
sl@0:     memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
sl@0: 
sl@0:     return 1;
sl@0:     }
sl@0: 
sl@0: EXPORT_C int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
sl@0: 			       unsigned int sid_ctx_len)
sl@0:     {
sl@0:     if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
sl@0: 	return 0;
sl@0: 	}
sl@0:     ssl->sid_ctx_length=sid_ctx_len;
sl@0:     memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
sl@0: 
sl@0:     return 1;
sl@0:     }
sl@0: 
sl@0: EXPORT_C int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
sl@0: 	{
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	ctx->generate_session_id = cb;
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
sl@0: 	{
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_SSL);
sl@0: 	ssl->generate_session_id = cb;
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
sl@0: 				unsigned int id_len)
sl@0: 	{
sl@0: 	/* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
sl@0: 	 * we can "construct" a session to give us the desired check - ie. to
sl@0: 	 * find if there's a session in the hash table that would conflict with
sl@0: 	 * any new session built out of this id/id_len and the ssl_version in
sl@0: 	 * use by this SSL. */
sl@0: 	SSL_SESSION r, *p;
sl@0: 
sl@0: 	if(id_len > sizeof r.session_id)
sl@0: 		return 0;
sl@0: 
sl@0: 	r.ssl_version = ssl->version;
sl@0: 	r.session_id_length = id_len;
sl@0: 	memcpy(r.session_id, id, id_len);
sl@0: 	/* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
sl@0: 	 * callback is calling us to check the uniqueness of a shorter ID, it
sl@0: 	 * must be compared as a padded-out ID because that is what it will be
sl@0: 	 * converted to when the callback has finished choosing it. */
sl@0: 	if((r.ssl_version == SSL2_VERSION) &&
sl@0: 			(id_len < SSL2_SSL_SESSION_ID_LENGTH))
sl@0: 		{
sl@0: 		memset(r.session_id + id_len, 0,
sl@0: 			SSL2_SSL_SESSION_ID_LENGTH - id_len);
sl@0: 		r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
sl@0: 		}
sl@0: 
sl@0: 	CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
sl@0: 	CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	return (p != NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_purpose(SSL *s, int purpose)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_set_trust(SSL_CTX *s, int trust)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_set_trust(s->param, trust);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_trust(SSL *s, int trust)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_set_trust(s->param, trust);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_free(SSL *s)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	if(s == NULL)
sl@0: 	    return;
sl@0: 
sl@0: 	i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
sl@0: #ifdef REF_PRINT
sl@0: 	REF_PRINT("SSL",s);
sl@0: #endif
sl@0: 	if (i > 0) return;
sl@0: #ifdef REF_CHECK
sl@0: 	if (i < 0)
sl@0: 		{
sl@0: 		fprintf(stderr,"SSL_free, bad reference count\n");
sl@0: 		abort(); /* ok */
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: 	if (s->param)
sl@0: 		X509_VERIFY_PARAM_free(s->param);
sl@0: 
sl@0: 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
sl@0: 
sl@0: 	if (s->bbio != NULL)
sl@0: 		{
sl@0: 		/* If the buffering BIO is in place, pop it off */
sl@0: 		if (s->bbio == s->wbio)
sl@0: 			{
sl@0: 			s->wbio=BIO_pop(s->wbio);
sl@0: 			}
sl@0: 		BIO_free(s->bbio);
sl@0: 		s->bbio=NULL;
sl@0: 		}
sl@0: 	if (s->rbio != NULL)
sl@0: 		BIO_free_all(s->rbio);
sl@0: 	if ((s->wbio != NULL) && (s->wbio != s->rbio))
sl@0: 		BIO_free_all(s->wbio);
sl@0: 
sl@0: 	if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
sl@0: 
sl@0: 	/* add extra stuff */
sl@0: 	if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
sl@0: 	if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
sl@0: 
sl@0: 	/* Make the next call work :-) */
sl@0: 	if (s->session != NULL)
sl@0: 		{
sl@0: 		ssl_clear_bad_session(s);
sl@0: 		SSL_SESSION_free(s->session);
sl@0: 		}
sl@0: 
sl@0: 	ssl_clear_cipher_ctx(s);
sl@0: 
sl@0: 	if (s->cert != NULL) ssl_cert_free(s->cert);
sl@0: 	/* Free up if allocated */
sl@0: 
sl@0: 	if (s->ctx) SSL_CTX_free(s->ctx);
sl@0: 	if (s->client_CA != NULL)
sl@0: 		sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
sl@0: 
sl@0: 	if (s->method != NULL) s->method->ssl_free(s);
sl@0: 
sl@0: #ifndef	OPENSSL_NO_KRB5
sl@0: 	if (s->kssl_ctx != NULL)
sl@0: 		kssl_ctx_free(s->kssl_ctx);
sl@0: #endif	/* OPENSSL_NO_KRB5 */
sl@0: 
sl@0: 	OPENSSL_free(s);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
sl@0: 	{
sl@0: 	/* If the output buffering BIO is still in place, remove it
sl@0: 	 */
sl@0: 	if (s->bbio != NULL)
sl@0: 		{
sl@0: 		if (s->wbio == s->bbio)
sl@0: 			{
sl@0: 			s->wbio=s->wbio->next_bio;
sl@0: 			s->bbio->next_bio=NULL;
sl@0: 			}
sl@0: 		}
sl@0: 	if ((s->rbio != NULL) && (s->rbio != rbio))
sl@0: 		BIO_free_all(s->rbio);
sl@0: 	if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
sl@0: 		BIO_free_all(s->wbio);
sl@0: 	s->rbio=rbio;
sl@0: 	s->wbio=wbio;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C BIO *SSL_get_rbio(const SSL *s)
sl@0: 	{ return(s->rbio); }
sl@0: 
sl@0: EXPORT_C BIO *SSL_get_wbio(const SSL *s)
sl@0: 	{ return(s->wbio); }
sl@0: 
sl@0: EXPORT_C int SSL_get_fd(const SSL *s)
sl@0: 	{
sl@0: 	return(SSL_get_rfd(s));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_rfd(const SSL *s)
sl@0: 	{
sl@0: 	int ret= -1;
sl@0: 	BIO *b,*r;
sl@0: 
sl@0: 	b=SSL_get_rbio(s);
sl@0: 	r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
sl@0: 	if (r != NULL)
sl@0: 		BIO_get_fd(r,&ret);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_wfd(const SSL *s)
sl@0: 	{
sl@0: 	int ret= -1;
sl@0: 	BIO *b,*r;
sl@0: 
sl@0: 	b=SSL_get_wbio(s);
sl@0: 	r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
sl@0: 	if (r != NULL)
sl@0: 		BIO_get_fd(r,&ret);
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_SOCK
sl@0: EXPORT_C int SSL_set_fd(SSL *s,int fd)
sl@0: 	{
sl@0: 	int ret=0;
sl@0: 	BIO *bio=NULL;
sl@0: 
sl@0: 	bio=BIO_new(BIO_s_socket());
sl@0: 
sl@0: 	if (bio == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0: 	SSL_set_bio(s,bio,bio);
sl@0: 	ret=1;
sl@0: err:
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_wfd(SSL *s,int fd)
sl@0: 	{
sl@0: 	int ret=0;
sl@0: 	BIO *bio=NULL;
sl@0: 
sl@0: 	if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
sl@0: 		|| ((int)BIO_get_fd(s->rbio,NULL) != fd))
sl@0: 		{
sl@0: 		bio=BIO_new(BIO_s_socket());
sl@0: 
sl@0: 		if (bio == NULL)
sl@0: 			{ SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
sl@0: 		BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0: 		SSL_set_bio(s,SSL_get_rbio(s),bio);
sl@0: 		}
sl@0: 	else
sl@0: 		SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
sl@0: 	ret=1;
sl@0: err:
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_rfd(SSL *s,int fd)
sl@0: 	{
sl@0: 	int ret=0;
sl@0: 	BIO *bio=NULL;
sl@0: 
sl@0: 	if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
sl@0: 		|| ((int)BIO_get_fd(s->wbio,NULL) != fd))
sl@0: 		{
sl@0: 		bio=BIO_new(BIO_s_socket());
sl@0: 
sl@0: 		if (bio == NULL)
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0: 		SSL_set_bio(s,bio,SSL_get_wbio(s));
sl@0: 		}
sl@0: 	else
sl@0: 		SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
sl@0: 	ret=1;
sl@0: err:
sl@0: 	return(ret);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: 
sl@0: /* return length of latest Finished message we sent, copy to 'buf' */
sl@0: EXPORT_C size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
sl@0: 	{
sl@0: 	size_t ret = 0;
sl@0: 	
sl@0: 	if (s->s3 != NULL)
sl@0: 		{
sl@0: 		ret = s->s3->tmp.finish_md_len;
sl@0: 		if (count > ret)
sl@0: 			count = ret;
sl@0: 		memcpy(buf, s->s3->tmp.finish_md, count);
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: /* return length of latest Finished message we expected, copy to 'buf' */
sl@0: EXPORT_C size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
sl@0: 	{
sl@0: 	size_t ret = 0;
sl@0: 	
sl@0: 	if (s->s3 != NULL)
sl@0: 		{
sl@0: 		ret = s->s3->tmp.peer_finish_md_len;
sl@0: 		if (count > ret)
sl@0: 			count = ret;
sl@0: 		memcpy(buf, s->s3->tmp.peer_finish_md, count);
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C int SSL_get_verify_mode(const SSL *s)
sl@0: 	{
sl@0: 	return(s->verify_mode);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_verify_depth(const SSL *s)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_get_depth(s->param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
sl@0: 	{
sl@0: 	return(s->verify_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return(ctx->verify_mode);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return X509_VERIFY_PARAM_get_depth(ctx->param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
sl@0: 	{
sl@0: 	return(ctx->default_verify_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_verify(SSL *s,int mode,
sl@0: 		    int (*callback)(int ok,X509_STORE_CTX *ctx))
sl@0: 	{
sl@0: 	s->verify_mode=mode;
sl@0: 	if (callback != NULL)
sl@0: 		s->verify_callback=callback;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_verify_depth(SSL *s,int depth)
sl@0: 	{
sl@0: 	X509_VERIFY_PARAM_set_depth(s->param, depth);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_read_ahead(SSL *s,int yes)
sl@0: 	{
sl@0: 	s->read_ahead=yes;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_read_ahead(const SSL *s)
sl@0: 	{
sl@0: 	return(s->read_ahead);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_pending(const SSL *s)
sl@0: 	{
sl@0: 	/* SSL_pending cannot work properly if read-ahead is enabled
sl@0: 	 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
sl@0: 	 * and it is impossible to fix since SSL_pending cannot report
sl@0: 	 * errors that may be observed while scanning the new data.
sl@0: 	 * (Note that SSL_pending() is often used as a boolean value,
sl@0: 	 * so we'd better not return -1.)
sl@0: 	 */
sl@0: 	return(s->method->ssl_pending(s));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509 *SSL_get_peer_certificate(const SSL *s)
sl@0: 	{
sl@0: 	X509 *r;
sl@0: 	
sl@0: 	if ((s == NULL) || (s->session == NULL))
sl@0: 		r=NULL;
sl@0: 	else
sl@0: 		r=s->session->peer;
sl@0: 
sl@0: 	if (r == NULL) return(r);
sl@0: 
sl@0: 	CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
sl@0: 
sl@0: 	return(r);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
sl@0: 	{
sl@0: 	STACK_OF(X509) *r;
sl@0: 	
sl@0: 	if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
sl@0: 		r=NULL;
sl@0: 	else
sl@0: 		r=s->session->sess_cert->cert_chain;
sl@0: 
sl@0: 	/* If we are a client, cert_chain includes the peer's own
sl@0: 	 * certificate; if we are a server, it does not. */
sl@0: 	
sl@0: 	return(r);
sl@0: 	}
sl@0: 
sl@0: /* Now in theory, since the calling process own 't' it should be safe to
sl@0:  * modify.  We need to be able to read f without being hassled */
sl@0: EXPORT_C void SSL_copy_session_id(SSL *t,const SSL *f)
sl@0: 	{
sl@0: 	CERT *tmp;
sl@0: 
sl@0: 	/* Do we need to to SSL locking? */
sl@0: 	SSL_set_session(t,SSL_get_session(f));
sl@0: 
sl@0: 	/* what if we are setup as SSLv2 but want to talk SSLv3 or
sl@0: 	 * vice-versa */
sl@0: 	if (t->method != f->method)
sl@0: 		{
sl@0: 		t->method->ssl_free(t);	/* cleanup current */
sl@0: 		t->method=f->method;	/* change method */
sl@0: 		t->method->ssl_new(t);	/* setup new */
sl@0: 		}
sl@0: 
sl@0: 	tmp=t->cert;
sl@0: 	if (f->cert != NULL)
sl@0: 		{
sl@0: 		CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
sl@0: 		t->cert=f->cert;
sl@0: 		}
sl@0: 	else
sl@0: 		t->cert=NULL;
sl@0: 	if (tmp != NULL) ssl_cert_free(tmp);
sl@0: 	SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
sl@0: 	}
sl@0: 
sl@0: /* Fix this so it checks all the valid key/cert options */
sl@0: EXPORT_C int SSL_CTX_check_private_key(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	if (	(ctx == NULL) ||
sl@0: 		(ctx->cert == NULL) ||
sl@0: 		(ctx->cert->key->x509 == NULL))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if 	(ctx->cert->key->privatekey == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
sl@0: 	}
sl@0: 
sl@0: /* Fix this function so that it takes an optional type parameter */
sl@0: EXPORT_C int SSL_check_private_key(const SSL *ssl)
sl@0: 	{
sl@0: 	if (ssl == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (ssl->cert == NULL)
sl@0: 		{
sl@0:                 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0: 		return 0;
sl@0: 		}
sl@0: 	if (ssl->cert->key->x509 == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (ssl->cert->key->privatekey == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(X509_check_private_key(ssl->cert->key->x509,
sl@0: 		ssl->cert->key->privatekey));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_accept(SSL *s)
sl@0: 	{
sl@0: 	if (s->handshake_func == 0)
sl@0: 		/* Not properly initialized yet */
sl@0: 		SSL_set_accept_state(s);
sl@0: 
sl@0: 	return(s->method->ssl_accept(s));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_connect(SSL *s)
sl@0: 	{
sl@0: 	if (s->handshake_func == 0)
sl@0: 		/* Not properly initialized yet */
sl@0: 		SSL_set_connect_state(s);
sl@0: 
sl@0: 	return(s->method->ssl_connect(s));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_get_default_timeout(const SSL *s)
sl@0: 	{
sl@0: 	return(s->method->get_timeout());
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_read(SSL *s,void *buf,int num)
sl@0: 	{
sl@0: 	if (s->handshake_func == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
sl@0: 		return -1;
sl@0: 		}
sl@0: 
sl@0: 	if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
sl@0: 		{
sl@0: 		s->rwstate=SSL_NOTHING;
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(s->method->ssl_read(s,buf,num));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_peek(SSL *s,void *buf,int num)
sl@0: 	{
sl@0: 	if (s->handshake_func == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
sl@0: 		return -1;
sl@0: 		}
sl@0: 
sl@0: 	if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
sl@0: 		{
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(s->method->ssl_peek(s,buf,num));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_write(SSL *s,const void *buf,int num)
sl@0: 	{
sl@0: 	if (s->handshake_func == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
sl@0: 		return -1;
sl@0: 		}
sl@0: 
sl@0: 	if (s->shutdown & SSL_SENT_SHUTDOWN)
sl@0: 		{
sl@0: 		s->rwstate=SSL_NOTHING;
sl@0: 		SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
sl@0: 		return(-1);
sl@0: 		}
sl@0: 	return(s->method->ssl_write(s,buf,num));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_shutdown(SSL *s)
sl@0: 	{
sl@0: 	/* Note that this function behaves differently from what one might
sl@0: 	 * expect.  Return values are 0 for no success (yet),
sl@0: 	 * 1 for success; but calling it once is usually not enough,
sl@0: 	 * even if blocking I/O is used (see ssl3_shutdown).
sl@0: 	 */
sl@0: 
sl@0: 	if (s->handshake_func == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
sl@0: 		return -1;
sl@0: 		}
sl@0: 
sl@0: 	if ((s != NULL) && !SSL_in_init(s))
sl@0: 		return(s->method->ssl_shutdown(s));
sl@0: 	else
sl@0: 		return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_renegotiate(SSL *s)
sl@0: 	{
sl@0: 	if (s->new_session == 0)
sl@0: 		{
sl@0: 		s->new_session=1;
sl@0: 		}
sl@0: 	return(s->method->ssl_renegotiate(s));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_renegotiate_pending(SSL *s)
sl@0: 	{
sl@0: 	/* becomes true when negotiation is requested;
sl@0: 	 * false again once a handshake has finished */
sl@0: 	return (s->new_session != 0);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
sl@0: 	{
sl@0: 	long l;
sl@0: 
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case SSL_CTRL_GET_READ_AHEAD:
sl@0: 		return(s->read_ahead);
sl@0: 	case SSL_CTRL_SET_READ_AHEAD:
sl@0: 		l=s->read_ahead;
sl@0: 		s->read_ahead=larg;
sl@0: 		return(l);
sl@0: 
sl@0: 	case SSL_CTRL_SET_MSG_CALLBACK_ARG:
sl@0: 		s->msg_callback_arg = parg;
sl@0: 		return 1;
sl@0: 
sl@0: 	case SSL_CTRL_OPTIONS:
sl@0: 		return(s->options|=larg);
sl@0: 	case SSL_CTRL_MODE:
sl@0: 		return(s->mode|=larg);
sl@0: 	case SSL_CTRL_GET_MAX_CERT_LIST:
sl@0: 		return(s->max_cert_list);
sl@0: 	case SSL_CTRL_SET_MAX_CERT_LIST:
sl@0: 		l=s->max_cert_list;
sl@0: 		s->max_cert_list=larg;
sl@0: 		return(l);
sl@0: 	case SSL_CTRL_SET_MTU:
sl@0: 		if (SSL_version(s) == DTLS1_VERSION)
sl@0: 			{
sl@0: 			s->d1->mtu = larg;
sl@0: 			return larg;
sl@0: 			}
sl@0: 		return 0;
sl@0: 	default:
sl@0: 		return(s->method->ssl_ctrl(s,cmd,larg,parg));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
sl@0: 	{
sl@0: 	switch(cmd)
sl@0: 		{
sl@0: 	case SSL_CTRL_SET_MSG_CALLBACK:
sl@0: 		s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
sl@0: 		return 1;
sl@0: 		
sl@0: 	default:
sl@0: 		return(s->method->ssl_callback_ctrl(s,cmd,fp));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return ctx->sessions;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
sl@0: 	{
sl@0: 	long l;
sl@0: 
sl@0: 	switch (cmd)
sl@0: 		{
sl@0: 	case SSL_CTRL_GET_READ_AHEAD:
sl@0: 		return(ctx->read_ahead);
sl@0: 	case SSL_CTRL_SET_READ_AHEAD:
sl@0: 		l=ctx->read_ahead;
sl@0: 		ctx->read_ahead=larg;
sl@0: 		return(l);
sl@0: 		
sl@0: 	case SSL_CTRL_SET_MSG_CALLBACK_ARG:
sl@0: 		ctx->msg_callback_arg = parg;
sl@0: 		return 1;
sl@0: 
sl@0: 	case SSL_CTRL_GET_MAX_CERT_LIST:
sl@0: 		return(ctx->max_cert_list);
sl@0: 	case SSL_CTRL_SET_MAX_CERT_LIST:
sl@0: 		l=ctx->max_cert_list;
sl@0: 		ctx->max_cert_list=larg;
sl@0: 		return(l);
sl@0: 
sl@0: 	case SSL_CTRL_SET_SESS_CACHE_SIZE:
sl@0: 		l=ctx->session_cache_size;
sl@0: 		ctx->session_cache_size=larg;
sl@0: 		return(l);
sl@0: 	case SSL_CTRL_GET_SESS_CACHE_SIZE:
sl@0: 		return(ctx->session_cache_size);
sl@0: 	case SSL_CTRL_SET_SESS_CACHE_MODE:
sl@0: 		l=ctx->session_cache_mode;
sl@0: 		ctx->session_cache_mode=larg;
sl@0: 		return(l);
sl@0: 	case SSL_CTRL_GET_SESS_CACHE_MODE:
sl@0: 		return(ctx->session_cache_mode);
sl@0: 
sl@0: 	case SSL_CTRL_SESS_NUMBER:
sl@0: 		return(ctx->sessions->num_items);
sl@0: 	case SSL_CTRL_SESS_CONNECT:
sl@0: 		return(ctx->stats.sess_connect);
sl@0: 	case SSL_CTRL_SESS_CONNECT_GOOD:
sl@0: 		return(ctx->stats.sess_connect_good);
sl@0: 	case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
sl@0: 		return(ctx->stats.sess_connect_renegotiate);
sl@0: 	case SSL_CTRL_SESS_ACCEPT:
sl@0: 		return(ctx->stats.sess_accept);
sl@0: 	case SSL_CTRL_SESS_ACCEPT_GOOD:
sl@0: 		return(ctx->stats.sess_accept_good);
sl@0: 	case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
sl@0: 		return(ctx->stats.sess_accept_renegotiate);
sl@0: 	case SSL_CTRL_SESS_HIT:
sl@0: 		return(ctx->stats.sess_hit);
sl@0: 	case SSL_CTRL_SESS_CB_HIT:
sl@0: 		return(ctx->stats.sess_cb_hit);
sl@0: 	case SSL_CTRL_SESS_MISSES:
sl@0: 		return(ctx->stats.sess_miss);
sl@0: 	case SSL_CTRL_SESS_TIMEOUTS:
sl@0: 		return(ctx->stats.sess_timeout);
sl@0: 	case SSL_CTRL_SESS_CACHE_FULL:
sl@0: 		return(ctx->stats.sess_cache_full);
sl@0: 	case SSL_CTRL_OPTIONS:
sl@0: 		return(ctx->options|=larg);
sl@0: 	case SSL_CTRL_MODE:
sl@0: 		return(ctx->mode|=larg);
sl@0: 	default:
sl@0: 		return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
sl@0: 	{
sl@0: 	switch(cmd)
sl@0: 		{
sl@0: 	case SSL_CTRL_SET_MSG_CALLBACK:
sl@0: 		ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
sl@0: 		return 1;
sl@0: 
sl@0: 	default:
sl@0: 		return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
sl@0: 	{
sl@0: 	long l;
sl@0: 
sl@0: 	l=a->id-b->id;
sl@0: 	if (l == 0L)
sl@0: 		return(0);
sl@0: 	else
sl@0: 		return((l > 0)?1:-1);
sl@0: 	}
sl@0: 
sl@0: int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
sl@0: 			const SSL_CIPHER * const *bp)
sl@0: 	{
sl@0: 	long l;
sl@0: 
sl@0: 	l=(*ap)->id-(*bp)->id;
sl@0: 	if (l == 0L)
sl@0: 		return(0);
sl@0: 	else
sl@0: 		return((l > 0)?1:-1);
sl@0: 	}
sl@0: 
sl@0: /** return a STACK of the ciphers available for the SSL and in order of
sl@0:  * preference */
sl@0: EXPORT_C STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
sl@0: 	{
sl@0: 	if (s != NULL)
sl@0: 		{
sl@0: 		if (s->cipher_list != NULL)
sl@0: 			{
sl@0: 			return(s->cipher_list);
sl@0: 			}
sl@0: 		else if ((s->ctx != NULL) &&
sl@0: 			(s->ctx->cipher_list != NULL))
sl@0: 			{
sl@0: 			return(s->ctx->cipher_list);
sl@0: 			}
sl@0: 		}
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: /** return a STACK of the ciphers available for the SSL and in order of
sl@0:  * algorithm id */
sl@0: STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
sl@0: 	{
sl@0: 	if (s != NULL)
sl@0: 		{
sl@0: 		if (s->cipher_list_by_id != NULL)
sl@0: 			{
sl@0: 			return(s->cipher_list_by_id);
sl@0: 			}
sl@0: 		else if ((s->ctx != NULL) &&
sl@0: 			(s->ctx->cipher_list_by_id != NULL))
sl@0: 			{
sl@0: 			return(s->ctx->cipher_list_by_id);
sl@0: 			}
sl@0: 		}
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: /** The old interface to get the same thing as SSL_get_ciphers() */
sl@0: EXPORT_C const char *SSL_get_cipher_list(const SSL *s,int n)
sl@0: 	{
sl@0: 	SSL_CIPHER *c;
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 
sl@0: 	if (s == NULL) return(NULL);
sl@0: 	sk=SSL_get_ciphers(s);
sl@0: 	if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
sl@0: 		return(NULL);
sl@0: 	c=sk_SSL_CIPHER_value(sk,n);
sl@0: 	if (c == NULL) return(NULL);
sl@0: 	return(c->name);
sl@0: 	}
sl@0: 
sl@0: /** specify the ciphers to be used by default by the SSL_CTX */
sl@0: EXPORT_C int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
sl@0: 	{
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 	
sl@0: 	sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
sl@0: 		&ctx->cipher_list_by_id,str);
sl@0: 	/* ssl_create_cipher_list may return an empty stack if it
sl@0: 	 * was unable to find a cipher matching the given rule string
sl@0: 	 * (for example if the rule string specifies a cipher which
sl@0: 	 * has been disabled). This is not an error as far as 
sl@0: 	 * ssl_create_cipher_list is concerned, and hence 
sl@0: 	 * ctx->cipher_list and ctx->cipher_list_by_id has been
sl@0: 	 * updated. */
sl@0: 	if (sk == NULL)
sl@0: 		return 0;
sl@0: 	else if (sk_SSL_CIPHER_num(sk) == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: /** specify the ciphers to be used by the SSL */
sl@0: EXPORT_C int SSL_set_cipher_list(SSL *s,const char *str)
sl@0: 	{
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 	
sl@0: 	sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
sl@0: 		&s->cipher_list_by_id,str);
sl@0: 	/* see comment in SSL_CTX_set_cipher_list */
sl@0: 	if (sk == NULL)
sl@0: 		return 0;
sl@0: 	else if (sk_SSL_CIPHER_num(sk) == 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
sl@0: 		return 0;
sl@0: 		}
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: /* works well for SSLv2, not so good for SSLv3 */
sl@0: EXPORT_C char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
sl@0: 	{
sl@0: 	char *p;
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 	SSL_CIPHER *c;
sl@0: 	int i;
sl@0: 
sl@0: 	if ((s->session == NULL) || (s->session->ciphers == NULL) ||
sl@0: 		(len < 2))
sl@0: 		return(NULL);
sl@0: 
sl@0: 	p=buf;
sl@0: 	sk=s->session->ciphers;
sl@0: 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
sl@0: 		{
sl@0: 		int n;
sl@0: 
sl@0: 		c=sk_SSL_CIPHER_value(sk,i);
sl@0: 		n=strlen(c->name);
sl@0: 		if (n+1 > len)
sl@0: 			{
sl@0: 			if (p != buf)
sl@0: 				--p;
sl@0: 			*p='\0';
sl@0: 			return buf;
sl@0: 			}
sl@0: 		strcpy(p,c->name);
sl@0: 		p+=n;
sl@0: 		*(p++)=':';
sl@0: 		len-=n+1;
sl@0: 		}
sl@0: 	p[-1]='\0';
sl@0: 	return(buf);
sl@0: 	}
sl@0: 
sl@0: int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
sl@0:                              int (*put_cb)(const SSL_CIPHER *, unsigned char *))
sl@0: 	{
sl@0: 	int i,j=0;
sl@0: 	SSL_CIPHER *c;
sl@0: 	unsigned char *q;
sl@0: #ifndef OPENSSL_NO_KRB5
sl@0:         int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
sl@0: #endif /* OPENSSL_NO_KRB5 */
sl@0: 
sl@0: 	if (sk == NULL) return(0);
sl@0: 	q=p;
sl@0: 
sl@0: 	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
sl@0: 		{
sl@0: 		c=sk_SSL_CIPHER_value(sk,i);
sl@0: #ifndef OPENSSL_NO_KRB5
sl@0:                 if ((c->algorithms & SSL_KRB5) && nokrb5)
sl@0:                     continue;
sl@0: #endif /* OPENSSL_NO_KRB5 */                    
sl@0: 
sl@0: 		j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
sl@0: 		p+=j;
sl@0: 		}
sl@0: 	return(p-q);
sl@0: 	}
sl@0: 
sl@0: STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
sl@0: 					       STACK_OF(SSL_CIPHER) **skp)
sl@0: 	{
sl@0: 	SSL_CIPHER *c;
sl@0: 	STACK_OF(SSL_CIPHER) *sk;
sl@0: 	int i,n;
sl@0: 
sl@0: 	n=ssl_put_cipher_by_char(s,NULL,NULL);
sl@0: 	if ((num%n) != 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	if ((skp == NULL) || (*skp == NULL))
sl@0: 		sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
sl@0: 	else
sl@0: 		{
sl@0: 		sk= *skp;
sl@0: 		sk_SSL_CIPHER_zero(sk);
sl@0: 		}
sl@0: 
sl@0: 	for (i=0; i<num; i+=n)
sl@0: 		{
sl@0: 		c=ssl_get_cipher_by_char(s,p);
sl@0: 		p+=n;
sl@0: 		if (c != NULL)
sl@0: 			{
sl@0: 			if (!sk_SSL_CIPHER_push(sk,c))
sl@0: 				{
sl@0: 				SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
sl@0: 				goto err;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (skp != NULL)
sl@0: 		*skp=sk;
sl@0: 	return(sk);
sl@0: err:
sl@0: 	if ((skp == NULL) || (*skp == NULL))
sl@0: 		sk_SSL_CIPHER_free(sk);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
sl@0: 	{
sl@0: 	unsigned long l;
sl@0: 
sl@0: 	l=(unsigned long)
sl@0: 		((unsigned int) a->session_id[0]     )|
sl@0: 		((unsigned int) a->session_id[1]<< 8L)|
sl@0: 		((unsigned long)a->session_id[2]<<16L)|
sl@0: 		((unsigned long)a->session_id[3]<<24L);
sl@0: 	return(l);
sl@0: 	}
sl@0: 
sl@0: /* NB: If this function (or indeed the hash function which uses a sort of
sl@0:  * coarser function than this one) is changed, ensure
sl@0:  * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
sl@0:  * able to construct an SSL_SESSION that will collide with any existing session
sl@0:  * with a matching session ID. */
sl@0: EXPORT_C int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
sl@0: 	{
sl@0: 	if (a->ssl_version != b->ssl_version)
sl@0: 		return(1);
sl@0: 	if (a->session_id_length != b->session_id_length)
sl@0: 		return(1);
sl@0: 	return(memcmp(a->session_id,b->session_id,a->session_id_length));
sl@0: 	}
sl@0: 
sl@0: /* These wrapper functions should remain rather than redeclaring
sl@0:  * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
sl@0:  * variable. The reason is that the functions aren't static, they're exposed via
sl@0:  * ssl.h. */
sl@0: static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
sl@0: static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
sl@0: 
sl@0: EXPORT_C SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
sl@0: 	{
sl@0: 	SSL_CTX *ret=NULL;
sl@0: 	
sl@0: 	if (meth == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 
sl@0: 	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
sl@0: 	if (ret == NULL)
sl@0: 		goto err;
sl@0: 
sl@0: 	memset(ret,0,sizeof(SSL_CTX));
sl@0: 
sl@0: 	ret->method=meth;
sl@0: 
sl@0: 	ret->cert_store=NULL;
sl@0: 	ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
sl@0: 	ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
sl@0: 	ret->session_cache_head=NULL;
sl@0: 	ret->session_cache_tail=NULL;
sl@0: 
sl@0: 	/* We take the system default */
sl@0: 	ret->session_timeout=meth->get_timeout();
sl@0: 
sl@0: 	ret->new_session_cb=0;
sl@0: 	ret->remove_session_cb=0;
sl@0: 	ret->get_session_cb=0;
sl@0: 	ret->generate_session_id=0;
sl@0: 
sl@0: 	memset((char *)&ret->stats,0,sizeof(ret->stats));
sl@0: 
sl@0: 	ret->references=1;
sl@0: 	ret->quiet_shutdown=0;
sl@0: 
sl@0: /*	ret->cipher=NULL;*/
sl@0: /*	ret->s2->challenge=NULL;
sl@0: 	ret->master_key=NULL;
sl@0: 	ret->key_arg=NULL;
sl@0: 	ret->s2->conn_id=NULL; */
sl@0: 
sl@0: 	ret->info_callback=NULL;
sl@0: 
sl@0: 	ret->app_verify_callback=0;
sl@0: 	ret->app_verify_arg=NULL;
sl@0: 
sl@0: 	ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
sl@0: 	ret->read_ahead=0;
sl@0: 	ret->msg_callback=0;
sl@0: 	ret->msg_callback_arg=NULL;
sl@0: 	ret->verify_mode=SSL_VERIFY_NONE;
sl@0: #if 0
sl@0: 	ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
sl@0: #endif
sl@0: 	ret->sid_ctx_length=0;
sl@0: 	ret->default_verify_callback=NULL;
sl@0: 	if ((ret->cert=ssl_cert_new()) == NULL)
sl@0: 		goto err;
sl@0: 
sl@0: 	ret->default_passwd_callback=0;
sl@0: 	ret->default_passwd_callback_userdata=NULL;
sl@0: 	ret->client_cert_cb=0;
sl@0: 	ret->app_gen_cookie_cb=0;
sl@0: 	ret->app_verify_cookie_cb=0;
sl@0: 
sl@0: 	ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
sl@0: 			LHASH_COMP_FN(SSL_SESSION_cmp));
sl@0: 	if (ret->sessions == NULL) goto err;
sl@0: 	ret->cert_store=X509_STORE_new();
sl@0: 	if (ret->cert_store == NULL) goto err;
sl@0: 
sl@0: 	ssl_create_cipher_list(ret->method,
sl@0: 		&ret->cipher_list,&ret->cipher_list_by_id,
sl@0: 		SSL_DEFAULT_CIPHER_LIST);
sl@0: 	if (ret->cipher_list == NULL
sl@0: 	    || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
sl@0: 		goto err2;
sl@0: 		}
sl@0: 
sl@0: 	ret->param = X509_VERIFY_PARAM_new();
sl@0: 	if (!ret->param)
sl@0: 		goto err;
sl@0: 
sl@0: 	if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
sl@0: 		goto err2;
sl@0: 		}
sl@0: 	if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
sl@0: 		goto err2;
sl@0: 		}
sl@0: 	if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
sl@0: 		goto err2;
sl@0: 		}
sl@0: 
sl@0: 	if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
sl@0: 		goto err;
sl@0: 
sl@0: 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
sl@0: 
sl@0: 	ret->extra_certs=NULL;
sl@0: 	ret->comp_methods=SSL_COMP_get_compression_methods();
sl@0: 
sl@0: 	return(ret);
sl@0: err:
sl@0: 	SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
sl@0: err2:
sl@0: 	if (ret != NULL) SSL_CTX_free(ret);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: #if 0
sl@0: static void SSL_COMP_free(SSL_COMP *comp)
sl@0:     { OPENSSL_free(comp); }
sl@0: #endif
sl@0: 
sl@0: EXPORT_C void SSL_CTX_free(SSL_CTX *a)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	if (a == NULL) return;
sl@0: 
sl@0: 	i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
sl@0: #ifdef REF_PRINT
sl@0: 	REF_PRINT("SSL_CTX",a);
sl@0: #endif
sl@0: 	if (i > 0) return;
sl@0: #ifdef REF_CHECK
sl@0: 	if (i < 0)
sl@0: 		{
sl@0: 		fprintf(stderr,"SSL_CTX_free, bad reference count\n");
sl@0: 		abort(); /* ok */
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: 	if (a->param)
sl@0: 		X509_VERIFY_PARAM_free(a->param);
sl@0: 
sl@0: 	/*
sl@0: 	 * Free internal session cache. However: the remove_cb() may reference
sl@0: 	 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
sl@0: 	 * after the sessions were flushed.
sl@0: 	 * As the ex_data handling routines might also touch the session cache,
sl@0: 	 * the most secure solution seems to be: empty (flush) the cache, then
sl@0: 	 * free ex_data, then finally free the cache.
sl@0: 	 * (See ticket [openssl.org #212].)
sl@0: 	 */
sl@0: 	if (a->sessions != NULL)
sl@0: 		SSL_CTX_flush_sessions(a,0);
sl@0: 
sl@0: 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
sl@0: 
sl@0: 	if (a->sessions != NULL)
sl@0: 		lh_free(a->sessions);
sl@0: 
sl@0: 	if (a->cert_store != NULL)
sl@0: 		X509_STORE_free(a->cert_store);
sl@0: 	if (a->cipher_list != NULL)
sl@0: 		sk_SSL_CIPHER_free(a->cipher_list);
sl@0: 	if (a->cipher_list_by_id != NULL)
sl@0: 		sk_SSL_CIPHER_free(a->cipher_list_by_id);
sl@0: 	if (a->cert != NULL)
sl@0: 		ssl_cert_free(a->cert);
sl@0: 	if (a->client_CA != NULL)
sl@0: 		sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
sl@0: 	if (a->extra_certs != NULL)
sl@0: 		sk_X509_pop_free(a->extra_certs,X509_free);
sl@0: #if 0 /* This should never be done, since it removes a global database */
sl@0: 	if (a->comp_methods != NULL)
sl@0: 		sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
sl@0: #else
sl@0: 	a->comp_methods = NULL;
sl@0: #endif
sl@0: 	OPENSSL_free(a);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
sl@0: 	{
sl@0: 	ctx->default_passwd_callback=cb;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
sl@0: 	{
sl@0: 	ctx->default_passwd_callback_userdata=u;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
sl@0: 	{
sl@0: 	ctx->app_verify_callback=cb;
sl@0: 	ctx->app_verify_arg=arg;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
sl@0: 	{
sl@0: 	ctx->verify_mode=mode;
sl@0: 	ctx->default_verify_callback=cb;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
sl@0: 	{
sl@0: 	X509_VERIFY_PARAM_set_depth(ctx->param, depth);
sl@0: 	}
sl@0: 
sl@0: void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
sl@0: 	{
sl@0: 	CERT_PKEY *cpk;
sl@0: 	int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
sl@0: 	int rsa_enc_export,dh_rsa_export,dh_dsa_export;
sl@0: 	int rsa_tmp_export,dh_tmp_export,kl;
sl@0: 	unsigned long mask,emask;
sl@0: 	int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	int have_ecdh_tmp;
sl@0: #endif
sl@0: 	X509 *x = NULL;
sl@0: 	EVP_PKEY *ecc_pkey = NULL;
sl@0: 	int signature_nid = 0;
sl@0: 
sl@0: 	if (c == NULL) return;
sl@0: 
sl@0: 	kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
sl@0: 
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
sl@0: 	rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
sl@0: 		(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
sl@0: #else
sl@0: 	rsa_tmp=rsa_tmp_export=0;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 	dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
sl@0: 	dh_tmp_export=(c->dh_tmp_cb != NULL ||
sl@0: 		(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
sl@0: #else
sl@0: 	dh_tmp=dh_tmp_export=0;
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
sl@0: #endif
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
sl@0: 	rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
sl@0: 	rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
sl@0: 	dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
sl@0: 	dh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
sl@0: /* FIX THIS EAY EAY EAY */
sl@0: 	dh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0: 	cpk= &(c->pkeys[SSL_PKEY_ECC]);
sl@0: 	have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0: 	mask=0;
sl@0: 	emask=0;
sl@0: 
sl@0: #ifdef CIPHER_DEBUG
sl@0: 	printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
sl@0: 		rsa_tmp,rsa_tmp_export,dh_tmp,
sl@0: 		rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
sl@0: #endif
sl@0: 
sl@0: 	if (rsa_enc || (rsa_tmp && rsa_sign))
sl@0: 		mask|=SSL_kRSA;
sl@0: 	if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
sl@0: 		emask|=SSL_kRSA;
sl@0: 
sl@0: #if 0
sl@0: 	/* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
sl@0: 	if (	(dh_tmp || dh_rsa || dh_dsa) && 
sl@0: 		(rsa_enc || rsa_sign || dsa_sign))
sl@0: 		mask|=SSL_kEDH;
sl@0: 	if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
sl@0: 		(rsa_enc || rsa_sign || dsa_sign))
sl@0: 		emask|=SSL_kEDH;
sl@0: #endif
sl@0: 
sl@0: 	if (dh_tmp_export) 
sl@0: 		emask|=SSL_kEDH;
sl@0: 
sl@0: 	if (dh_tmp)
sl@0: 		mask|=SSL_kEDH;
sl@0: 
sl@0: 	if (dh_rsa) mask|=SSL_kDHr;
sl@0: 	if (dh_rsa_export) emask|=SSL_kDHr;
sl@0: 
sl@0: 	if (dh_dsa) mask|=SSL_kDHd;
sl@0: 	if (dh_dsa_export) emask|=SSL_kDHd;
sl@0: 
sl@0: 	if (rsa_enc || rsa_sign)
sl@0: 		{
sl@0: 		mask|=SSL_aRSA;
sl@0: 		emask|=SSL_aRSA;
sl@0: 		}
sl@0: 
sl@0: 	if (dsa_sign)
sl@0: 		{
sl@0: 		mask|=SSL_aDSS;
sl@0: 		emask|=SSL_aDSS;
sl@0: 		}
sl@0: 
sl@0: 	mask|=SSL_aNULL;
sl@0: 	emask|=SSL_aNULL;
sl@0: 
sl@0: #ifndef OPENSSL_NO_KRB5
sl@0: 	mask|=SSL_kKRB5|SSL_aKRB5;
sl@0: 	emask|=SSL_kKRB5|SSL_aKRB5;
sl@0: #endif
sl@0: 
sl@0: 	/* An ECC certificate may be usable for ECDH and/or
sl@0: 	 * ECDSA cipher suites depending on the key usage extension.
sl@0: 	 */
sl@0: 	if (have_ecc_cert)
sl@0: 		{
sl@0:                 /* This call populates extension flags (ex_flags) */
sl@0: 		x = (c->pkeys[SSL_PKEY_ECC]).x509;
sl@0: 		X509_check_purpose(x, -1, 0);
sl@0: 		ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
sl@0: 		    (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
sl@0: 		ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
sl@0: 		    (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
sl@0: 		ecc_pkey = X509_get_pubkey(x);
sl@0: 		ecc_pkey_size = (ecc_pkey != NULL) ? 
sl@0: 		    EVP_PKEY_bits(ecc_pkey) : 0;
sl@0: 		EVP_PKEY_free(ecc_pkey);
sl@0: 		if ((x->sig_alg) && (x->sig_alg->algorithm))
sl@0: 			signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 		if (ecdh_ok)
sl@0: 			{
sl@0: 			if ((signature_nid == NID_md5WithRSAEncryption) ||
sl@0: 			    (signature_nid == NID_md4WithRSAEncryption) ||
sl@0: 			    (signature_nid == NID_md2WithRSAEncryption))
sl@0: 				{
sl@0: 				mask|=SSL_kECDH|SSL_aRSA;
sl@0: 				if (ecc_pkey_size <= 163)
sl@0: 					emask|=SSL_kECDH|SSL_aRSA;
sl@0: 				}
sl@0: 			if (signature_nid == NID_ecdsa_with_SHA1)
sl@0: 				{
sl@0: 				mask|=SSL_kECDH|SSL_aECDSA;
sl@0: 				if (ecc_pkey_size <= 163)
sl@0: 					emask|=SSL_kECDH|SSL_aECDSA;
sl@0: 				}
sl@0: 			}
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDSA
sl@0: 		if (ecdsa_ok)
sl@0: 			{
sl@0: 			mask|=SSL_aECDSA;
sl@0: 			emask|=SSL_aECDSA;
sl@0: 			}
sl@0: #endif
sl@0: 		}
sl@0: 
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	if (have_ecdh_tmp)
sl@0: 		{
sl@0: 		mask|=SSL_kECDHE;
sl@0: 		emask|=SSL_kECDHE;
sl@0: 		}
sl@0: #endif
sl@0: 	c->mask=mask;
sl@0: 	c->export_mask=emask;
sl@0: 	c->valid=1;
sl@0: 	}
sl@0: 
sl@0: /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
sl@0: #define ku_reject(x, usage) \
sl@0: 	(((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
sl@0: 
sl@0: int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
sl@0: 	{
sl@0: 	unsigned long alg = cs->algorithms;
sl@0: 	EVP_PKEY *pkey = NULL;
sl@0: 	int keysize = 0;
sl@0: 	int signature_nid = 0;
sl@0: 
sl@0: 	if (SSL_C_IS_EXPORT(cs))
sl@0: 		{
sl@0: 		/* ECDH key length in export ciphers must be <= 163 bits */
sl@0: 		pkey = X509_get_pubkey(x);
sl@0: 		if (pkey == NULL) return 0;
sl@0: 		keysize = EVP_PKEY_bits(pkey);
sl@0: 		EVP_PKEY_free(pkey);
sl@0: 		if (keysize > 163) return 0;
sl@0: 		}
sl@0: 
sl@0: 	/* This call populates the ex_flags field correctly */
sl@0: 	X509_check_purpose(x, -1, 0);
sl@0: 	if ((x->sig_alg) && (x->sig_alg->algorithm))
sl@0: 		signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
sl@0: 	if (alg & SSL_kECDH) 
sl@0: 		{
sl@0: 		/* key usage, if present, must allow key agreement */
sl@0: 		if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
sl@0: 			{
sl@0: 			return 0;
sl@0: 			}
sl@0: 		if (alg & SSL_aECDSA) 
sl@0: 			{
sl@0: 			/* signature alg must be ECDSA */
sl@0: 			if (signature_nid != NID_ecdsa_with_SHA1)
sl@0: 				{
sl@0: 				return 0;
sl@0: 				}
sl@0: 			}
sl@0: 		if (alg & SSL_aRSA)
sl@0: 			{
sl@0: 			/* signature alg must be RSA */
sl@0: 			if ((signature_nid != NID_md5WithRSAEncryption) &&
sl@0: 			    (signature_nid != NID_md4WithRSAEncryption) &&
sl@0: 			    (signature_nid != NID_md2WithRSAEncryption))
sl@0: 				{
sl@0: 				return 0;
sl@0: 				}
sl@0: 			}
sl@0: 		} 
sl@0: 	else if (alg & SSL_aECDSA)
sl@0: 		{
sl@0: 		/* key usage, if present, must allow signing */
sl@0: 		if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
sl@0: 			{
sl@0: 			return 0;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return 1;  /* all checks are ok */
sl@0: 	}
sl@0: 
sl@0: /* THIS NEEDS CLEANING UP */
sl@0: X509 *ssl_get_server_send_cert(SSL *s)
sl@0: 	{
sl@0: 	unsigned long alg,mask,kalg;
sl@0: 	CERT *c;
sl@0: 	int i,is_export;
sl@0: 
sl@0: 	c=s->cert;
sl@0: 	ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
sl@0: 	alg=s->s3->tmp.new_cipher->algorithms;
sl@0: 	is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
sl@0: 	mask=is_export?c->export_mask:c->mask;
sl@0: 	kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
sl@0: 
sl@0: 	if (kalg & SSL_kECDH)
sl@0: 		{
sl@0: 		/* we don't need to look at SSL_kECDHE 
sl@0: 		 * since no certificate is needed for
sl@0: 		 * anon ECDH and for authenticated
sl@0: 		 * ECDHE, the check for the auth 
sl@0: 		 * algorithm will set i correctly
sl@0: 		 * NOTE: For ECDH-RSA, we need an ECC
sl@0: 		 * not an RSA cert but for ECDHE-RSA
sl@0: 		 * we need an RSA cert. Placing the
sl@0: 		 * checks for SSL_kECDH before RSA
sl@0: 		 * checks ensures the correct cert is chosen.
sl@0: 		 */
sl@0: 		i=SSL_PKEY_ECC;
sl@0: 		}
sl@0: 	else if (kalg & SSL_aECDSA)
sl@0: 		{
sl@0: 		i=SSL_PKEY_ECC;
sl@0: 		}
sl@0: 	else if (kalg & SSL_kDHr)
sl@0: 		i=SSL_PKEY_DH_RSA;
sl@0: 	else if (kalg & SSL_kDHd)
sl@0: 		i=SSL_PKEY_DH_DSA;
sl@0: 	else if (kalg & SSL_aDSS)
sl@0: 		i=SSL_PKEY_DSA_SIGN;
sl@0: 	else if (kalg & SSL_aRSA)
sl@0: 		{
sl@0: 		if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
sl@0: 			i=SSL_PKEY_RSA_SIGN;
sl@0: 		else
sl@0: 			i=SSL_PKEY_RSA_ENC;
sl@0: 		}
sl@0: 	else if (kalg & SSL_aKRB5)
sl@0: 		{
sl@0: 		/* VRS something else here? */
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	else /* if (kalg & SSL_aNULL) */
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	if (c->pkeys[i].x509 == NULL) return(NULL);
sl@0: 
sl@0: 	return(c->pkeys[i].x509);
sl@0: 	}
sl@0: 
sl@0: EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
sl@0: 	{
sl@0: 	unsigned long alg;
sl@0: 	CERT *c;
sl@0: 
sl@0: 	alg=cipher->algorithms;
sl@0: 	c=s->cert;
sl@0: 
sl@0: 	if ((alg & SSL_aDSS) &&
sl@0: 		(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
sl@0: 		return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
sl@0: 	else if (alg & SSL_aRSA)
sl@0: 		{
sl@0: 		if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
sl@0: 			return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
sl@0: 		else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
sl@0: 			return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
sl@0: 		else
sl@0: 			return(NULL);
sl@0: 		}
sl@0: 	else if ((alg & SSL_aECDSA) &&
sl@0: 	         (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
sl@0: 		return(c->pkeys[SSL_PKEY_ECC].privatekey);
sl@0: 	else /* if (alg & SSL_aNULL) */
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void ssl_update_cache(SSL *s,int mode)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	/* If the session_id_length is 0, we are not supposed to cache it,
sl@0: 	 * and it would be rather hard to do anyway :-) */
sl@0: 	if (s->session->session_id_length == 0) return;
sl@0: 
sl@0: 	i=s->ctx->session_cache_mode;
sl@0: 	if ((i & mode) && (!s->hit)
sl@0: 		&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
sl@0: 		    || SSL_CTX_add_session(s->ctx,s->session))
sl@0: 		&& (s->ctx->new_session_cb != NULL))
sl@0: 		{
sl@0: 		CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
sl@0: 		if (!s->ctx->new_session_cb(s,s->session))
sl@0: 			SSL_SESSION_free(s->session);
sl@0: 		}
sl@0: 
sl@0: 	/* auto flush every 255 connections */
sl@0: 	if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
sl@0: 		((i & mode) == mode))
sl@0: 		{
sl@0: 		if (  (((mode & SSL_SESS_CACHE_CLIENT)
sl@0: 			?s->ctx->stats.sess_connect_good
sl@0: 			:s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
sl@0: 			{
sl@0: 			SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL_METHOD *SSL_get_ssl_method(SSL *s)
sl@0: 	{
sl@0: 	return(s->method);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
sl@0: 	{
sl@0: 	int conn= -1;
sl@0: 	int ret=1;
sl@0: 
sl@0: 	if (s->method != meth)
sl@0: 		{
sl@0: 		if (s->handshake_func != NULL)
sl@0: 			conn=(s->handshake_func == s->method->ssl_connect);
sl@0: 
sl@0: 		if (s->method->version == meth->version)
sl@0: 			s->method=meth;
sl@0: 		else
sl@0: 			{
sl@0: 			s->method->ssl_free(s);
sl@0: 			s->method=meth;
sl@0: 			ret=s->method->ssl_new(s);
sl@0: 			}
sl@0: 
sl@0: 		if (conn == 1)
sl@0: 			s->handshake_func=meth->ssl_connect;
sl@0: 		else if (conn == 0)
sl@0: 			s->handshake_func=meth->ssl_accept;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_error(const SSL *s,int i)
sl@0: 	{
sl@0: 	int reason;
sl@0: 	unsigned long l;
sl@0: 	BIO *bio;
sl@0: 
sl@0: 	if (i > 0) return(SSL_ERROR_NONE);
sl@0: 
sl@0: 	/* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
sl@0: 	 * etc, where we do encode the error */
sl@0: 	if ((l=ERR_peek_error()) != 0)
sl@0: 		{
sl@0: 		if (ERR_GET_LIB(l) == ERR_LIB_SYS)
sl@0: 			return(SSL_ERROR_SYSCALL);
sl@0: 		else
sl@0: 			return(SSL_ERROR_SSL);
sl@0: 		}
sl@0: 
sl@0: 	if ((i < 0) && SSL_want_read(s))
sl@0: 		{
sl@0: 		bio=SSL_get_rbio(s);
sl@0: 		if (BIO_should_read(bio))
sl@0: 			return(SSL_ERROR_WANT_READ);
sl@0: 		else if (BIO_should_write(bio))
sl@0: 			/* This one doesn't make too much sense ... We never try
sl@0: 			 * to write to the rbio, and an application program where
sl@0: 			 * rbio and wbio are separate couldn't even know what it
sl@0: 			 * should wait for.
sl@0: 			 * However if we ever set s->rwstate incorrectly
sl@0: 			 * (so that we have SSL_want_read(s) instead of
sl@0: 			 * SSL_want_write(s)) and rbio and wbio *are* the same,
sl@0: 			 * this test works around that bug; so it might be safer
sl@0: 			 * to keep it. */
sl@0: 			return(SSL_ERROR_WANT_WRITE);
sl@0: 		else if (BIO_should_io_special(bio))
sl@0: 			{
sl@0: 			reason=BIO_get_retry_reason(bio);
sl@0: 			if (reason == BIO_RR_CONNECT)
sl@0: 				return(SSL_ERROR_WANT_CONNECT);
sl@0: 			else if (reason == BIO_RR_ACCEPT)
sl@0: 				return(SSL_ERROR_WANT_ACCEPT);
sl@0: 			else
sl@0: 				return(SSL_ERROR_SYSCALL); /* unknown */
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if ((i < 0) && SSL_want_write(s))
sl@0: 		{
sl@0: 		bio=SSL_get_wbio(s);
sl@0: 		if (BIO_should_write(bio))
sl@0: 			return(SSL_ERROR_WANT_WRITE);
sl@0: 		else if (BIO_should_read(bio))
sl@0: 			/* See above (SSL_want_read(s) with BIO_should_write(bio)) */
sl@0: 			return(SSL_ERROR_WANT_READ);
sl@0: 		else if (BIO_should_io_special(bio))
sl@0: 			{
sl@0: 			reason=BIO_get_retry_reason(bio);
sl@0: 			if (reason == BIO_RR_CONNECT)
sl@0: 				return(SSL_ERROR_WANT_CONNECT);
sl@0: 			else if (reason == BIO_RR_ACCEPT)
sl@0: 				return(SSL_ERROR_WANT_ACCEPT);
sl@0: 			else
sl@0: 				return(SSL_ERROR_SYSCALL);
sl@0: 			}
sl@0: 		}
sl@0: 	if ((i < 0) && SSL_want_x509_lookup(s))
sl@0: 		{
sl@0: 		return(SSL_ERROR_WANT_X509_LOOKUP);
sl@0: 		}
sl@0: 
sl@0: 	if (i == 0)
sl@0: 		{
sl@0: 		if (s->version == SSL2_VERSION)
sl@0: 			{
sl@0: 			/* assume it is the socket being closed */
sl@0: 			return(SSL_ERROR_ZERO_RETURN);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
sl@0: 				(s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
sl@0: 				return(SSL_ERROR_ZERO_RETURN);
sl@0: 			}
sl@0: 		}
sl@0: 	return(SSL_ERROR_SYSCALL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_do_handshake(SSL *s)
sl@0: 	{
sl@0: 	int ret=1;
sl@0: 
sl@0: 	if (s->handshake_func == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
sl@0: 		return(-1);
sl@0: 		}
sl@0: 
sl@0: 	s->method->ssl_renegotiate_check(s);
sl@0: 
sl@0: 	if (SSL_in_init(s) || SSL_in_before(s))
sl@0: 		{
sl@0: 		ret=s->handshake_func(s);
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: /* For the next 2 functions, SSL_clear() sets shutdown and so
sl@0:  * one of these calls will reset it */
sl@0: EXPORT_C void SSL_set_accept_state(SSL *s)
sl@0: 	{
sl@0: 	s->server=1;
sl@0: 	s->shutdown=0;
sl@0: 	s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
sl@0: 	s->handshake_func=s->method->ssl_accept;
sl@0: 	/* clear the current cipher */
sl@0: 	ssl_clear_cipher_ctx(s);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_connect_state(SSL *s)
sl@0: 	{
sl@0: 	s->server=0;
sl@0: 	s->shutdown=0;
sl@0: 	s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
sl@0: 	s->handshake_func=s->method->ssl_connect;
sl@0: 	/* clear the current cipher */
sl@0: 	ssl_clear_cipher_ctx(s);
sl@0: 	}
sl@0: 
sl@0: int ssl_undefined_function(SSL *s)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: int ssl_undefined_void_function(void)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: int ssl_undefined_const_function(const SSL *s)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: SSL_METHOD *ssl_bad_method(int ver)
sl@0: 	{
sl@0: 	SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *SSL_get_version(const SSL *s)
sl@0: 	{
sl@0: 	if (s->version == TLS1_VERSION)
sl@0: 		return("TLSv1");
sl@0: 	else if (s->version == SSL3_VERSION)
sl@0: 		return("SSLv3");
sl@0: 	else if (s->version == SSL2_VERSION)
sl@0: 		return("SSLv2");
sl@0: 	else
sl@0: 		return("unknown");
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL *SSL_dup(SSL *s)
sl@0: 	{
sl@0: 	STACK_OF(X509_NAME) *sk;
sl@0: 	X509_NAME *xn;
sl@0: 	SSL *ret;
sl@0: 	int i;
sl@0: 		 
sl@0: 	if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
sl@0: 	    return(NULL);
sl@0: 
sl@0: 	ret->version = s->version;
sl@0: 	ret->type = s->type;
sl@0: 	ret->method = s->method;
sl@0: 
sl@0: 	if (s->session != NULL)
sl@0: 		{
sl@0: 		/* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
sl@0: 		SSL_copy_session_id(ret,s);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		/* No session has been established yet, so we have to expect
sl@0: 		 * that s->cert or ret->cert will be changed later --
sl@0: 		 * they should not both point to the same object,
sl@0: 		 * and thus we can't use SSL_copy_session_id. */
sl@0: 
sl@0: 		ret->method->ssl_free(ret);
sl@0: 		ret->method = s->method;
sl@0: 		ret->method->ssl_new(ret);
sl@0: 
sl@0: 		if (s->cert != NULL)
sl@0: 			{
sl@0: 			if (ret->cert != NULL)
sl@0: 				{
sl@0: 				ssl_cert_free(ret->cert);
sl@0: 				}
sl@0: 			ret->cert = ssl_cert_dup(s->cert);
sl@0: 			if (ret->cert == NULL)
sl@0: 				goto err;
sl@0: 			}
sl@0: 				
sl@0: 		SSL_set_session_id_context(ret,
sl@0: 			s->sid_ctx, s->sid_ctx_length);
sl@0: 		}
sl@0: 
sl@0: 	ret->options=s->options;
sl@0: 	ret->mode=s->mode;
sl@0: 	SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
sl@0: 	SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
sl@0: 	ret->msg_callback = s->msg_callback;
sl@0: 	ret->msg_callback_arg = s->msg_callback_arg;
sl@0: 	SSL_set_verify(ret,SSL_get_verify_mode(s),
sl@0: 		SSL_get_verify_callback(s));
sl@0: 	SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
sl@0: 	ret->generate_session_id = s->generate_session_id;
sl@0: 
sl@0: 	SSL_set_info_callback(ret,SSL_get_info_callback(s));
sl@0: 	
sl@0: 	ret->debug=s->debug;
sl@0: 
sl@0: 	/* copy app data, a little dangerous perhaps */
sl@0: 	if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
sl@0: 		goto err;
sl@0: 
sl@0: 	/* setup rbio, and wbio */
sl@0: 	if (s->rbio != NULL)
sl@0: 		{
sl@0: 		if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
sl@0: 			goto err;
sl@0: 		}
sl@0: 	if (s->wbio != NULL)
sl@0: 		{
sl@0: 		if (s->wbio != s->rbio)
sl@0: 			{
sl@0: 			if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
sl@0: 				goto err;
sl@0: 			}
sl@0: 		else
sl@0: 			ret->wbio=ret->rbio;
sl@0: 		}
sl@0: 	ret->rwstate = s->rwstate;
sl@0: 	ret->in_handshake = s->in_handshake;
sl@0: 	ret->handshake_func = s->handshake_func;
sl@0: 	ret->server = s->server;
sl@0: 	ret->new_session = s->new_session;
sl@0: 	ret->quiet_shutdown = s->quiet_shutdown;
sl@0: 	ret->shutdown=s->shutdown;
sl@0: 	ret->state=s->state; /* SSL_dup does not really work at any state, though */
sl@0: 	ret->rstate=s->rstate;
sl@0: 	ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
sl@0: 	ret->hit=s->hit;
sl@0: 
sl@0: 	X509_VERIFY_PARAM_inherit(ret->param, s->param);
sl@0: 
sl@0: 	/* dup the cipher_list and cipher_list_by_id stacks */
sl@0: 	if (s->cipher_list != NULL)
sl@0: 		{
sl@0: 		if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
sl@0: 			goto err;
sl@0: 		}
sl@0: 	if (s->cipher_list_by_id != NULL)
sl@0: 		if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
sl@0: 			== NULL)
sl@0: 			goto err;
sl@0: 
sl@0: 	/* Dup the client_CA list */
sl@0: 	if (s->client_CA != NULL)
sl@0: 		{
sl@0: 		if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
sl@0: 		ret->client_CA=sk;
sl@0: 		for (i=0; i<sk_X509_NAME_num(sk); i++)
sl@0: 			{
sl@0: 			xn=sk_X509_NAME_value(sk,i);
sl@0: 			if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
sl@0: 				{
sl@0: 				X509_NAME_free(xn);
sl@0: 				goto err;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (0)
sl@0: 		{
sl@0: err:
sl@0: 		if (ret != NULL) SSL_free(ret);
sl@0: 		ret=NULL;
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: void ssl_clear_cipher_ctx(SSL *s)
sl@0: 	{
sl@0: 	if (s->enc_read_ctx != NULL)
sl@0: 		{
sl@0: 		EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
sl@0: 		OPENSSL_free(s->enc_read_ctx);
sl@0: 		s->enc_read_ctx=NULL;
sl@0: 		}
sl@0: 	if (s->enc_write_ctx != NULL)
sl@0: 		{
sl@0: 		EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
sl@0: 		OPENSSL_free(s->enc_write_ctx);
sl@0: 		s->enc_write_ctx=NULL;
sl@0: 		}
sl@0: #ifndef OPENSSL_NO_COMP
sl@0: 	if (s->expand != NULL)
sl@0: 		{
sl@0: 		COMP_CTX_free(s->expand);
sl@0: 		s->expand=NULL;
sl@0: 		}
sl@0: 	if (s->compress != NULL)
sl@0: 		{
sl@0: 		COMP_CTX_free(s->compress);
sl@0: 		s->compress=NULL;
sl@0: 		}
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: /* Fix this function so that it takes an optional type parameter */
sl@0: EXPORT_C X509 *SSL_get_certificate(const SSL *s)
sl@0: 	{
sl@0: 	if (s->cert != NULL)
sl@0: 		return(s->cert->key->x509);
sl@0: 	else
sl@0: 		return(NULL);
sl@0: 	}
sl@0: 
sl@0: /* Fix this function so that it takes an optional type parameter */
sl@0: EXPORT_C EVP_PKEY *SSL_get_privatekey(SSL *s)
sl@0: 	{
sl@0: 	if (s->cert != NULL)
sl@0: 		return(s->cert->key->privatekey);
sl@0: 	else
sl@0: 		return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
sl@0: 	{
sl@0: 	if ((s->session != NULL) && (s->session->cipher != NULL))
sl@0: 		return(s->session->cipher);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: #ifdef OPENSSL_NO_COMP
sl@0: EXPORT_C const void *SSL_get_current_compression(SSL *s)
sl@0: 	{
sl@0: 	return NULL;
sl@0: 	}
sl@0: EXPORT_C const void *SSL_get_current_expansion(SSL *s)
sl@0: 	{
sl@0: 	return NULL;
sl@0: 	}
sl@0: #else
sl@0: 
sl@0: EXPORT_C const COMP_METHOD *SSL_get_current_compression(SSL *s)
sl@0: 	{
sl@0: 	if (s->compress != NULL)
sl@0: 		return(s->compress->meth);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const COMP_METHOD *SSL_get_current_expansion(SSL *s)
sl@0: 	{
sl@0: 	if (s->expand != NULL)
sl@0: 		return(s->expand->meth);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: int ssl_init_wbio_buffer(SSL *s,int push)
sl@0: 	{
sl@0: 	BIO *bbio;
sl@0: 
sl@0: 	if (s->bbio == NULL)
sl@0: 		{
sl@0: 		bbio=BIO_new(BIO_f_buffer());
sl@0: 		if (bbio == NULL) return(0);
sl@0: 		s->bbio=bbio;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		bbio=s->bbio;
sl@0: 		if (s->bbio == s->wbio)
sl@0: 			s->wbio=BIO_pop(s->wbio);
sl@0: 		}
sl@0: 	(void)BIO_reset(bbio);
sl@0: /*	if (!BIO_set_write_buffer_size(bbio,16*1024)) */
sl@0: 	if (!BIO_set_read_buffer_size(bbio,1))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (push)
sl@0: 		{
sl@0: 		if (s->wbio != bbio)
sl@0: 			s->wbio=BIO_push(bbio,s->wbio);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		if (s->wbio == bbio)
sl@0: 			s->wbio=BIO_pop(bbio);
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: void ssl_free_wbio_buffer(SSL *s)
sl@0: 	{
sl@0: 	if (s->bbio == NULL) return;
sl@0: 
sl@0: 	if (s->bbio == s->wbio)
sl@0: 		{
sl@0: 		/* remove buffering */
sl@0: 		s->wbio=BIO_pop(s->wbio);
sl@0: #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
sl@0: 		assert(s->wbio != NULL);
sl@0: #endif	
sl@0: 	}
sl@0: 	BIO_free(s->bbio);
sl@0: 	s->bbio=NULL;
sl@0: 	}
sl@0: 	
sl@0: EXPORT_C void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
sl@0: 	{
sl@0: 	ctx->quiet_shutdown=mode;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return(ctx->quiet_shutdown);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_quiet_shutdown(SSL *s,int mode)
sl@0: 	{
sl@0: 	s->quiet_shutdown=mode;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_quiet_shutdown(const SSL *s)
sl@0: 	{
sl@0: 	return(s->quiet_shutdown);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_shutdown(SSL *s,int mode)
sl@0: 	{
sl@0: 	s->shutdown=mode;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_shutdown(const SSL *s)
sl@0: 	{
sl@0: 	return(s->shutdown);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_version(const SSL *s)
sl@0: 	{
sl@0: 	return(s->version);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
sl@0: 	{
sl@0: 	return(ssl->ctx);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
sl@0: 	{
sl@0: 	if (ssl->ctx == ctx)
sl@0: 		return ssl->ctx;
sl@0: 
sl@0: 	if (ssl->cert != NULL)
sl@0: 		ssl_cert_free(ssl->cert);
sl@0: 	ssl->cert = ssl_cert_dup(ctx->cert);
sl@0: 	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
sl@0: 	if (ssl->ctx != NULL)
sl@0: 		SSL_CTX_free(ssl->ctx); /* decrement reference count */
sl@0: 	ssl->ctx = ctx;
sl@0: 	return(ssl->ctx);
sl@0: 	}
sl@0: #ifndef OPENSSL_NO_STDIO
sl@0: EXPORT_C int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return(X509_STORE_set_default_paths(ctx->cert_store));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
sl@0: 		const char *CApath)
sl@0: 	{
sl@0: 	return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: EXPORT_C void SSL_set_info_callback(SSL *ssl,
sl@0: 			   void (*cb)(const SSL *ssl,int type,int val))
sl@0: 	{
sl@0: 	ssl->info_callback=cb;
sl@0: 	}
sl@0: 
sl@0: /* One compiler (Diab DCC) doesn't like argument names in returned
sl@0:    function pointer.  */
sl@0: EXPORT_C void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
sl@0: 	{
sl@0: 	return ssl->info_callback;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_state(const SSL *ssl)
sl@0: 	{
sl@0: 	return(ssl->state);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_verify_result(SSL *ssl,long arg)
sl@0: 	{
sl@0: 	ssl->verify_result=arg;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long SSL_get_verify_result(const SSL *ssl)
sl@0: 	{
sl@0: 	return(ssl->verify_result);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
sl@0: 			 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
sl@0: 	{
sl@0: 	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
sl@0: 				new_func, dup_func, free_func);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_set_ex_data(SSL *s,int idx,void *arg)
sl@0: 	{
sl@0: 	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *SSL_get_ex_data(const SSL *s,int idx)
sl@0: 	{
sl@0: 	return(CRYPTO_get_ex_data(&s->ex_data,idx));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
sl@0: 			     CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
sl@0: 	{
sl@0: 	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
sl@0: 				new_func, dup_func, free_func);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
sl@0: 	{
sl@0: 	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
sl@0: 	{
sl@0: 	return(CRYPTO_get_ex_data(&s->ex_data,idx));
sl@0: 	}
sl@0: 
sl@0: int ssl_ok(SSL *s)
sl@0: 	{
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return(ctx->cert_store);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
sl@0: 	{
sl@0: 	if (ctx->cert_store != NULL)
sl@0: 		X509_STORE_free(ctx->cert_store);
sl@0: 	ctx->cert_store=store;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_want(const SSL *s)
sl@0: 	{
sl@0: 	return(s->rwstate);
sl@0: 	}
sl@0: 
sl@0: /*!
sl@0:  * \brief Set the callback for generating temporary RSA keys.
sl@0:  * \param ctx the SSL context.
sl@0:  * \param cb the callback
sl@0:  */
sl@0: 
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: EXPORT_C void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
sl@0: 							  int is_export,
sl@0: 							  int keylength))
sl@0:     {
sl@0:     SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
sl@0:     }
sl@0: 
sl@0: EXPORT_C void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
sl@0: 						  int is_export,
sl@0: 						  int keylength))
sl@0:     {
sl@0:     SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
sl@0:     }
sl@0: #endif
sl@0: 
sl@0: #ifdef DOXYGEN
sl@0: /*!
sl@0:  * \brief The RSA temporary key callback function.
sl@0:  * \param ssl the SSL session.
sl@0:  * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
sl@0:  * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
sl@0:  * of the required key in bits.
sl@0:  * \return the temporary RSA key.
sl@0:  * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
sl@0:  */
sl@0: 
sl@0: RSA *cb(SSL *ssl,int is_export,int keylength)
sl@0:     {}
sl@0: #endif
sl@0: 
sl@0: /*!
sl@0:  * \brief Set the callback for generating temporary DH keys.
sl@0:  * \param ctx the SSL context.
sl@0:  * \param dh the callback
sl@0:  */
sl@0: 
sl@0: #ifndef OPENSSL_NO_DH
sl@0: EXPORT_C void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
sl@0: 							int keylength))
sl@0: 	{
sl@0: 	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
sl@0: 						int keylength))
sl@0: 	{
sl@0: 	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: EXPORT_C void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
sl@0: 							int keylength))
sl@0: 	{
sl@0: 	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
sl@0: 						int keylength))
sl@0: 	{
sl@0: 	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: 
sl@0: EXPORT_C 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))
sl@0: 	{
sl@0: 	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
sl@0: 	}
sl@0: EXPORT_C 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))
sl@0: 	{
sl@0: 	SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
sl@0: #include "../crypto/bio/bss_file.c"
sl@0: #endif
sl@0: 
sl@0: IMPLEMENT_STACK_OF(SSL_CIPHER)
sl@0: IMPLEMENT_STACK_OF(SSL_COMP)