Delete bundled copy of OpenSSL and replace with README.

openssl/ssl/ssl_cert.c

Index: openssl/ssl/ssl_cert.c
diff --git a/openssl/ssl/ssl_cert.c b/openssl/ssl/ssl_cert.c
deleted file mode 100644
index 8a61650c5217ff822c859e01f10f687904449a88..0000000000000000000000000000000000000000
--- a/openssl/ssl/ssl_cert.c
+++ /dev/null
@@ -1,868 +0,0 @@
-/*! \file ssl/ssl_cert.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * 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
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* ====================================================================
- * Copyright 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.
- */
-
-#include <stdio.h>
-
-#include "e_os.h"
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#include "o_dir.h"
-#include <openssl/objects.h>
-#include <openssl/bio.h>
-#include <openssl/pem.h>
-#include <openssl/x509v3.h>
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-#include <openssl/bn.h>
-#include "ssl_locl.h"
-
-int SSL_get_ex_data_X509_STORE_CTX_idx(void)
-	{
-	static volatile int ssl_x509_store_ctx_idx= -1;
-	int got_write_lock = 0;
-
-	CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
-
-	if (ssl_x509_store_ctx_idx < 0)
-		{
-		CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
-		CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
-		got_write_lock = 1;
-		
-		if (ssl_x509_store_ctx_idx < 0)
-			{
-			ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
-				0,"SSL for verify callback",NULL,NULL,NULL);
-			}
-		}
-
-	if (got_write_lock)
-		CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
-	else
-		CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
-	
-	return ssl_x509_store_ctx_idx;
-	}
-
-static void ssl_cert_set_default_md(CERT *cert)
-	{
-	/* Set digest values to defaults */
-#ifndef OPENSSL_NO_DSA
-	cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1();
-#endif
-#ifndef OPENSSL_NO_RSA
-	cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
-	cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
-#endif
-#ifndef OPENSSL_NO_ECDSA
-	cert->pkeys[SSL_PKEY_ECC].digest = EVP_sha1();
-#endif
-	}
-
-CERT *ssl_cert_new(void)
-	{
-	CERT *ret;
-
-	ret=(CERT *)OPENSSL_malloc(sizeof(CERT));
-	if (ret == NULL)
-		{
-		SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	memset(ret,0,sizeof(CERT));
-
-	ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
-	ret->references=1;
-	ssl_cert_set_default_md(ret);
-	return(ret);
-	}
-
-CERT *ssl_cert_dup(CERT *cert)
-	{
-	CERT *ret;
-	int i;
-
-	ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
-	if (ret == NULL)
-		{
-		SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-
-	memset(ret, 0, sizeof(CERT));
-
-	ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
-	/* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
-	 * if you find that more readable */
-
-	ret->valid = cert->valid;
-	ret->mask_k = cert->mask_k;
-	ret->mask_a = cert->mask_a;
-	ret->export_mask_k = cert->export_mask_k;
-	ret->export_mask_a = cert->export_mask_a;
-
-#ifndef OPENSSL_NO_RSA
-	if (cert->rsa_tmp != NULL)
-		{
-		RSA_up_ref(cert->rsa_tmp);
-		ret->rsa_tmp = cert->rsa_tmp;
-		}
-	ret->rsa_tmp_cb = cert->rsa_tmp_cb;
-#endif
-
-#ifndef OPENSSL_NO_DH
-	if (cert->dh_tmp != NULL)
-		{
-		ret->dh_tmp = DHparams_dup(cert->dh_tmp);
-		if (ret->dh_tmp == NULL)
-			{
-			SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
-			goto err;
-			}
-		if (cert->dh_tmp->priv_key)
-			{
-			BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
-			if (!b)
-				{
-				SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
-				goto err;
-				}
-			ret->dh_tmp->priv_key = b;
-			}
-		if (cert->dh_tmp->pub_key)
-			{
-			BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
-			if (!b)
-				{
-				SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
-				goto err;
-				}
-			ret->dh_tmp->pub_key = b;
-			}
-		}
-	ret->dh_tmp_cb = cert->dh_tmp_cb;
-#endif
-
-#ifndef OPENSSL_NO_ECDH
-	if (cert->ecdh_tmp)
-		{
-		ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
-		if (ret->ecdh_tmp == NULL)
-			{
-			SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
-			goto err;
-			}
-		}
-	ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
-#endif
-
-	for (i = 0; i < SSL_PKEY_NUM; i++)
-		{
-		if (cert->pkeys[i].x509 != NULL)
-			{
-			ret->pkeys[i].x509 = cert->pkeys[i].x509;
-			CRYPTO_add(&ret->pkeys[i].x509->references, 1,
-				CRYPTO_LOCK_X509);
-			}
-		
-		if (cert->pkeys[i].privatekey != NULL)
-			{
-			ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
-			CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
-				CRYPTO_LOCK_EVP_PKEY);
-
-			switch(i) 
-				{
-				/* If there was anything special to do for
-				 * certain types of keys, we'd do it here.
-				 * (Nothing at the moment, I think.) */
-
-			case SSL_PKEY_RSA_ENC:
-			case SSL_PKEY_RSA_SIGN:
-				/* We have an RSA key. */
-				break;
-				
-			case SSL_PKEY_DSA_SIGN:
-				/* We have a DSA key. */
-				break;
-				
-			case SSL_PKEY_DH_RSA:
-			case SSL_PKEY_DH_DSA:
-				/* We have a DH key. */
-				break;
-
-			case SSL_PKEY_ECC:
-				/* We have an ECC key */
-				break;
-
-			default:
-				/* Can't happen. */
-				SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
-				}
-			}
-		}
-	
-	/* ret->extra_certs *should* exist, but currently the own certificate
-	 * chain is held inside SSL_CTX */
-
-	ret->references=1;
-	/* Set digests to defaults. NB: we don't copy existing values as they
-	 * will be set during handshake.
-	 */
-	ssl_cert_set_default_md(ret);
-
-	return(ret);
-	
-#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
-err:
-#endif
-#ifndef OPENSSL_NO_RSA
-	if (ret->rsa_tmp != NULL)
-		RSA_free(ret->rsa_tmp);
-#endif
-#ifndef OPENSSL_NO_DH
-	if (ret->dh_tmp != NULL)
-		DH_free(ret->dh_tmp);
-#endif
-#ifndef OPENSSL_NO_ECDH
-	if (ret->ecdh_tmp != NULL)
-		EC_KEY_free(ret->ecdh_tmp);
-#endif
-
-	for (i = 0; i < SSL_PKEY_NUM; i++)
-		{
-		if (ret->pkeys[i].x509 != NULL)
-			X509_free(ret->pkeys[i].x509);
-		if (ret->pkeys[i].privatekey != NULL)
-			EVP_PKEY_free(ret->pkeys[i].privatekey);
-		}
-
-	return NULL;
-	}
-
-
-void ssl_cert_free(CERT *c)
-	{
-	int i;
-
-	if(c == NULL)
-	    return;
-
-	i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT);
-#ifdef REF_PRINT
-	REF_PRINT("CERT",c);
-#endif
-	if (i > 0) return;
-#ifdef REF_CHECK
-	if (i < 0)
-		{
-		fprintf(stderr,"ssl_cert_free, bad reference count\n");
-		abort(); /* ok */
-		}
-#endif
-
-#ifndef OPENSSL_NO_RSA
-	if (c->rsa_tmp) RSA_free(c->rsa_tmp);
-#endif
-#ifndef OPENSSL_NO_DH
-	if (c->dh_tmp) DH_free(c->dh_tmp);
-#endif
-#ifndef OPENSSL_NO_ECDH
-	if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp);
-#endif
-
-	for (i=0; i<SSL_PKEY_NUM; i++)
-		{
-		if (c->pkeys[i].x509 != NULL)
-			X509_free(c->pkeys[i].x509);
-		if (c->pkeys[i].privatekey != NULL)
-			EVP_PKEY_free(c->pkeys[i].privatekey);
-#if 0
-		if (c->pkeys[i].publickey != NULL)
-			EVP_PKEY_free(c->pkeys[i].publickey);
-#endif
-		}
-	OPENSSL_free(c);
-	}
-
-int ssl_cert_inst(CERT **o)
-	{
-	/* Create a CERT if there isn't already one
-	 * (which cannot really happen, as it is initially created in
-	 * SSL_CTX_new; but the earlier code usually allows for that one
-	 * being non-existant, so we follow that behaviour, as it might
-	 * turn out that there actually is a reason for it -- but I'm
-	 * not sure that *all* of the existing code could cope with
-	 * s->cert being NULL, otherwise we could do without the
-	 * initialization in SSL_CTX_new).
-	 */
-	
-	if (o == NULL) 
-		{
-		SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
-		return(0);
-		}
-	if (*o == NULL)
-		{
-		if ((*o = ssl_cert_new()) == NULL)
-			{
-			SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
-			return(0);
-			}
-		}
-	return(1);
-	}
-
-
-SESS_CERT *ssl_sess_cert_new(void)
-	{
-	SESS_CERT *ret;
-
-	ret = OPENSSL_malloc(sizeof *ret);
-	if (ret == NULL)
-		{
-		SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
-		return NULL;
-		}
-
-	memset(ret, 0 ,sizeof *ret);
-	ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
-	ret->references = 1;
-
-	return ret;
-	}
-
-void ssl_sess_cert_free(SESS_CERT *sc)
-	{
-	int i;
-
-	if (sc == NULL)
-		return;
-
-	i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
-#ifdef REF_PRINT
-	REF_PRINT("SESS_CERT", sc);
-#endif
-	if (i > 0)
-		return;
-#ifdef REF_CHECK
-	if (i < 0)
-		{
-		fprintf(stderr,"ssl_sess_cert_free, bad reference count\n");
-		abort(); /* ok */
-		}
-#endif
-
-	/* i == 0 */
-	if (sc->cert_chain != NULL)
-		sk_X509_pop_free(sc->cert_chain, X509_free);
-	for (i = 0; i < SSL_PKEY_NUM; i++)
-		{
-		if (sc->peer_pkeys[i].x509 != NULL)
-			X509_free(sc->peer_pkeys[i].x509);
-#if 0 /* We don't have the peer's private key.  These lines are just
-	   * here as a reminder that we're still using a not-quite-appropriate
-	   * data structure. */
-		if (sc->peer_pkeys[i].privatekey != NULL)
-			EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
-#endif
-		}
-
-#ifndef OPENSSL_NO_RSA
-	if (sc->peer_rsa_tmp != NULL)
-		RSA_free(sc->peer_rsa_tmp);
-#endif
-#ifndef OPENSSL_NO_DH
-	if (sc->peer_dh_tmp != NULL)
-		DH_free(sc->peer_dh_tmp);
-#endif
-#ifndef OPENSSL_NO_ECDH
-	if (sc->peer_ecdh_tmp != NULL)
-		EC_KEY_free(sc->peer_ecdh_tmp);
-#endif
-
-	OPENSSL_free(sc);
-	}
-
-int ssl_set_peer_cert_type(SESS_CERT *sc,int type)
-	{
-	sc->peer_cert_type = type;
-	return(1);
-	}
-
-int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk)
-	{
-	X509 *x;
-	int i;
-	X509_STORE_CTX ctx;
-
-	if ((sk == NULL) || (sk_X509_num(sk) == 0))
-		return(0);
-
-	x=sk_X509_value(sk,0);
-	if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk))
-		{
-		SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB);
-		return(0);
-		}
-#if 0
-	if (SSL_get_verify_depth(s) >= 0)
-		X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
-#endif
-	X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s);
-
-	/* We need to inherit the verify parameters. These can be determined by
-	 * the context: if its a server it will verify SSL client certificates
-	 * or vice versa.
-	 */
-
-	X509_STORE_CTX_set_default(&ctx,
-				s->server ? "ssl_client" : "ssl_server");
-	/* Anything non-default in "param" should overwrite anything in the
-	 * ctx.
-	 */
-	X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
-
-	if (s->verify_callback)
-		X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
-
-	if (s->ctx->app_verify_callback != NULL)
-#if 1 /* new with OpenSSL 0.9.7 */
-		i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); 
-#else
-		i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */
-#endif
-	else
-		{
-#ifndef OPENSSL_NO_X509_VERIFY
-		i=X509_verify_cert(&ctx);
-#else
-		i=0;
-		ctx.error=X509_V_ERR_APPLICATION_VERIFICATION;
-		SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK);
-#endif
-		}
-
-	s->verify_result=ctx.error;
-	X509_STORE_CTX_cleanup(&ctx);
-
-	return(i);
-	}
-
-static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list)
-	{
-	if (*ca_list != NULL)
-		sk_X509_NAME_pop_free(*ca_list,X509_NAME_free);
-
-	*ca_list=name_list;
-	}
-
-STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
-	{
-	int i;
-	STACK_OF(X509_NAME) *ret;
-	X509_NAME *name;
-
-	ret=sk_X509_NAME_new_null();
-	for (i=0; i<sk_X509_NAME_num(sk); i++)
-		{
-		name=X509_NAME_dup(sk_X509_NAME_value(sk,i));
-		if ((name == NULL) || !sk_X509_NAME_push(ret,name))
-			{
-			sk_X509_NAME_pop_free(ret,X509_NAME_free);
-			return(NULL);
-			}
-		}
-	return(ret);
-	}
-
-void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list)
-	{
-	set_client_CA_list(&(s->client_CA),name_list);
-	}
-
-void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list)
-	{
-	set_client_CA_list(&(ctx->client_CA),name_list);
-	}
-
-STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
-	{
-	return(ctx->client_CA);
-	}
-
-STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
-	{
-	if (s->type == SSL_ST_CONNECT)
-		{ /* we are in the client */
-		if (((s->version>>8) == SSL3_VERSION_MAJOR) &&
-			(s->s3 != NULL))
-			return(s->s3->tmp.ca_names);
-		else
-			return(NULL);
-		}
-	else
-		{
-		if (s->client_CA != NULL)
-			return(s->client_CA);
-		else
-			return(s->ctx->client_CA);
-		}
-	}
-
-static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x)
-	{
-	X509_NAME *name;
-
-	if (x == NULL) return(0);
-	if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL))
-		return(0);
-		
-	if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL)
-		return(0);
-
-	if (!sk_X509_NAME_push(*sk,name))
-		{
-		X509_NAME_free(name);
-		return(0);
-		}
-	return(1);
-	}
-
-int SSL_add_client_CA(SSL *ssl,X509 *x)
-	{
-	return(add_client_CA(&(ssl->client_CA),x));
-	}
-
-int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x)
-	{
-	return(add_client_CA(&(ctx->client_CA),x));
-	}
-
-void SSL_get_client_certificate_types(const SSL *s, const unsigned char **ctype,
-	size_t *ctype_num)
-	{
-	if (s->s3 == NULL)
-		{
-		*ctype = NULL;
-		*ctype_num = 0;
-		return;
-		}
-
-	/* This always returns nothing for the server. */
-	*ctype = s->s3->tmp.ctype;
-	*ctype_num = s->s3->tmp.ctype_num;
-	}
-
-static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
-	{
-	return(X509_NAME_cmp(*a,*b));
-	}
-
-#ifndef OPENSSL_NO_STDIO
-/*!
- * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
- * it doesn't really have anything to do with clients (except that a common use
- * for a stack of CAs is to send it to the client). Actually, it doesn't have
- * much to do with CAs, either, since it will load any old cert.
- * \param file the file containing one or more certs.
- * \return a ::STACK containing the certs.
- */
-STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
-	{
-	BIO *in;
-	X509 *x=NULL;
-	X509_NAME *xn=NULL;
-	STACK_OF(X509_NAME) *ret = NULL,*sk;
-
-	sk=sk_X509_NAME_new(xname_cmp);
-
-	in=BIO_new(BIO_s_file_internal());
-
-	if ((sk == NULL) || (in == NULL))
-		{
-		SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-	
-	if (!BIO_read_filename(in,file))
-		goto err;
-
-	for (;;)
-		{
-		if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
-			break;
-		if (ret == NULL)
-			{
-			ret = sk_X509_NAME_new_null();
-			if (ret == NULL)
-				{
-				SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
-				goto err;
-				}
-			}
-		if ((xn=X509_get_subject_name(x)) == NULL) goto err;
-		/* check for duplicates */
-		xn=X509_NAME_dup(xn);
-		if (xn == NULL) goto err;
-		if (sk_X509_NAME_find(sk,xn) >= 0)
-			X509_NAME_free(xn);
-		else
-			{
-			sk_X509_NAME_push(sk,xn);
-			sk_X509_NAME_push(ret,xn);
-			}
-		}
-
-	if (0)
-		{
-err:
-		if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free);
-		ret=NULL;
-		}
-	if (sk != NULL) sk_X509_NAME_free(sk);
-	if (in != NULL) BIO_free(in);
-	if (x != NULL) X509_free(x);
-	if (ret != NULL)
-		ERR_clear_error();
-	return(ret);
-	}
-#endif
-
-/*!
- * Add a file of certs to a stack.
- * \param stack the stack to add to.
- * \param file the file to add from. All certs in this file that are not
- * already in the stack will be added.
- * \return 1 for success, 0 for failure. Note that in the case of failure some
- * certs may have been added to \c stack.
- */
-
-int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
-					const char *file)
-	{
-	BIO *in;
-	X509 *x=NULL;
-	X509_NAME *xn=NULL;
-	int ret=1;
-	int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
-	
-	oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
-	
-	in=BIO_new(BIO_s_file_internal());
-	
-	if (in == NULL)
-		{
-		SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-	
-	if (!BIO_read_filename(in,file))
-		goto err;
-	
-	for (;;)
-		{
-		if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
-			break;
-		if ((xn=X509_get_subject_name(x)) == NULL) goto err;
-		xn=X509_NAME_dup(xn);
-		if (xn == NULL) goto err;
-		if (sk_X509_NAME_find(stack,xn) >= 0)
-			X509_NAME_free(xn);
-		else
-			sk_X509_NAME_push(stack,xn);
-		}
-
-	ERR_clear_error();
-
-	if (0)
-		{
-err:
-		ret=0;
-		}
-	if(in != NULL)
-		BIO_free(in);
-	if(x != NULL)
-		X509_free(x);
-	
-	(void)sk_X509_NAME_set_cmp_func(stack,oldcmp);
-
-	return ret;
-	}
-
-/*!
- * Add a directory of certs to a stack.
- * \param stack the stack to append to.
- * \param dir the directory to append from. All files in this directory will be
- * examined as potential certs. Any that are acceptable to
- * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
- * included.
- * \return 1 for success, 0 for failure. Note that in the case of failure some
- * certs may have been added to \c stack.
- */
-
-int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
-				       const char *dir)
-	{
-	OPENSSL_DIR_CTX *d = NULL;
-	const char *filename;
-	int ret = 0;
-
-	CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
-
-	/* Note that a side effect is that the CAs will be sorted by name */
-
-	while((filename = OPENSSL_DIR_read(&d, dir)))
-		{
-		char buf[1024];
-		int r;
-
-		if(strlen(dir)+strlen(filename)+2 > sizeof buf)
-			{
-			SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
-			goto err;
-			}
-
-#ifdef OPENSSL_SYS_VMS
-		r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename);
-#else
-		r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename);
-#endif
-		if (r <= 0 || r >= (int)sizeof(buf))
-			goto err;
-		if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
-			goto err;
-		}
-
-	if (errno)
-		{
-		SYSerr(SYS_F_OPENDIR, get_last_sys_error());
-		ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
-		SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
-		goto err;
-		}
-
-	ret = 1;
-
-err:
-	if (d) OPENSSL_DIR_end(&d);
-	CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
-	return ret;
-	}
-