sl@0: /*! \file ssl/ssl_cert.c */
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) 1998-2006 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: #include <stdio.h>
sl@0: 
sl@0: #include "e_os.h"
sl@0: #ifndef NO_SYS_TYPES_H
sl@0: # include <sys/types.h>
sl@0: #endif
sl@0: 
sl@0: #include "o_dir.h"
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/bio.h>
sl@0: #include <openssl/pem.h>
sl@0: #include <openssl/x509v3.h>
sl@0: #ifndef OPENSSL_NO_DH
sl@0: #include <openssl/dh.h>
sl@0: #endif
sl@0: #include <openssl/bn.h>
sl@0: #include "ssl_locl.h"
sl@0: 
sl@0: #ifdef EMULATOR
sl@0: 
sl@0: 	GET_STATIC_VAR_FROM_TLS(ssl_x509_store_ctx_idx,ssl_cert,volatile int)
sl@0: 	
sl@0: 	#define ssl_x509_store_ctx_idx (*GET_WSD_VAR_NAME(ssl_x509_store_ctx_idx,ssl_cert,s)())
sl@0: 
sl@0: #endif
sl@0: 
sl@0: 
sl@0: EXPORT_C int SSL_get_ex_data_X509_STORE_CTX_idx(void)
sl@0: 	{
sl@0: #ifndef EMULATOR
sl@0: 	static volatile int ssl_x509_store_ctx_idx= -1;
sl@0: #endif
sl@0: 	int got_write_lock = 0;
sl@0: 
sl@0: 	CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
sl@0: 
sl@0: 
sl@0: 	if (ssl_x509_store_ctx_idx < 0)
sl@0: 		{
sl@0: 		CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0: 		CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
sl@0: 		got_write_lock = 1;
sl@0: 		
sl@0: 		if (ssl_x509_store_ctx_idx < 0)
sl@0: 			{
sl@0: 			ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
sl@0: 				0,"SSL for verify callback",NULL,NULL,NULL);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (got_write_lock)
sl@0: 		CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	else
sl@0: 		CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0: 	
sl@0: 	return ssl_x509_store_ctx_idx;
sl@0: 	}
sl@0: 
sl@0: CERT *ssl_cert_new(void)
sl@0: 	{
sl@0: 	CERT *ret;
sl@0: 
sl@0: 	ret=(CERT *)OPENSSL_malloc(sizeof(CERT));
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	memset(ret,0,sizeof(CERT));
sl@0: 
sl@0: 	ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
sl@0: 	ret->references=1;
sl@0: 
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: CERT *ssl_cert_dup(CERT *cert)
sl@0: 	{
sl@0: 	CERT *ret;
sl@0: 	int i;
sl@0: 
sl@0: 	ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 
sl@0: 	memset(ret, 0, sizeof(CERT));
sl@0: 
sl@0: 	ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
sl@0: 	/* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
sl@0: 	 * if you find that more readable */
sl@0: 
sl@0: 	ret->valid = cert->valid;
sl@0: 	ret->mask = cert->mask;
sl@0: 	ret->export_mask = cert->export_mask;
sl@0: 
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	if (cert->rsa_tmp != NULL)
sl@0: 		{
sl@0: 		RSA_up_ref(cert->rsa_tmp);
sl@0: 		ret->rsa_tmp = cert->rsa_tmp;
sl@0: 		}
sl@0: 	ret->rsa_tmp_cb = cert->rsa_tmp_cb;
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 	if (cert->dh_tmp != NULL)
sl@0: 		{
sl@0: 		ret->dh_tmp = DHparams_dup(cert->dh_tmp);
sl@0: 		if (ret->dh_tmp == NULL)
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		if (cert->dh_tmp->priv_key)
sl@0: 			{
sl@0: 			BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
sl@0: 			if (!b)
sl@0: 				{
sl@0: 				SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
sl@0: 				goto err;
sl@0: 				}
sl@0: 			ret->dh_tmp->priv_key = b;
sl@0: 			}
sl@0: 		if (cert->dh_tmp->pub_key)
sl@0: 			{
sl@0: 			BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
sl@0: 			if (!b)
sl@0: 				{
sl@0: 				SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
sl@0: 				goto err;
sl@0: 				}
sl@0: 			ret->dh_tmp->pub_key = b;
sl@0: 			}
sl@0: 		}
sl@0: 	ret->dh_tmp_cb = cert->dh_tmp_cb;
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	if (cert->ecdh_tmp)
sl@0: 		{
sl@0: 		ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
sl@0: 		if (ret->ecdh_tmp == NULL)
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
sl@0: 			goto err;
sl@0: 			}
sl@0: 		}
sl@0: 	ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
sl@0: #endif
sl@0: 
sl@0: 	for (i = 0; i < SSL_PKEY_NUM; i++)
sl@0: 		{
sl@0: 		if (cert->pkeys[i].x509 != NULL)
sl@0: 			{
sl@0: 			ret->pkeys[i].x509 = cert->pkeys[i].x509;
sl@0: 			CRYPTO_add(&ret->pkeys[i].x509->references, 1,
sl@0: 				CRYPTO_LOCK_X509);
sl@0: 			}
sl@0: 		
sl@0: 		if (cert->pkeys[i].privatekey != NULL)
sl@0: 			{
sl@0: 			ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
sl@0: 			CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
sl@0: 				CRYPTO_LOCK_EVP_PKEY);
sl@0: 
sl@0: 			switch(i) 
sl@0: 				{
sl@0: 				/* If there was anything special to do for
sl@0: 				 * certain types of keys, we'd do it here.
sl@0: 				 * (Nothing at the moment, I think.) */
sl@0: 
sl@0: 			case SSL_PKEY_RSA_ENC:
sl@0: 			case SSL_PKEY_RSA_SIGN:
sl@0: 				/* We have an RSA key. */
sl@0: 				break;
sl@0: 				
sl@0: 			case SSL_PKEY_DSA_SIGN:
sl@0: 				/* We have a DSA key. */
sl@0: 				break;
sl@0: 				
sl@0: 			case SSL_PKEY_DH_RSA:
sl@0: 			case SSL_PKEY_DH_DSA:
sl@0: 				/* We have a DH key. */
sl@0: 				break;
sl@0: 
sl@0: 			case SSL_PKEY_ECC:
sl@0: 				/* We have an ECC key */
sl@0: 				break;
sl@0: 
sl@0: 			default:
sl@0: 				/* Can't happen. */
sl@0: 				SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	
sl@0: 	/* ret->extra_certs *should* exist, but currently the own certificate
sl@0: 	 * chain is held inside SSL_CTX */
sl@0: 
sl@0: 	ret->references=1;
sl@0: 
sl@0: 	return(ret);
sl@0: 	
sl@0: #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
sl@0: err:
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	if (ret->rsa_tmp != NULL)
sl@0: 		RSA_free(ret->rsa_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 	if (ret->dh_tmp != NULL)
sl@0: 		DH_free(ret->dh_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	if (ret->ecdh_tmp != NULL)
sl@0: 		EC_KEY_free(ret->ecdh_tmp);
sl@0: #endif
sl@0: 
sl@0: 	for (i = 0; i < SSL_PKEY_NUM; i++)
sl@0: 		{
sl@0: 		if (ret->pkeys[i].x509 != NULL)
sl@0: 			X509_free(ret->pkeys[i].x509);
sl@0: 		if (ret->pkeys[i].privatekey != NULL)
sl@0: 			EVP_PKEY_free(ret->pkeys[i].privatekey);
sl@0: 		}
sl@0: 
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void ssl_cert_free(CERT *c)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	if(c == NULL)
sl@0: 	    return;
sl@0: 
sl@0: 	i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT);
sl@0: #ifdef REF_PRINT
sl@0: 	REF_PRINT("CERT",c);
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_cert_free, bad reference count\n");
sl@0: 		abort(); /* ok */
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	if (c->rsa_tmp) RSA_free(c->rsa_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 	if (c->dh_tmp) DH_free(c->dh_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp);
sl@0: #endif
sl@0: 
sl@0: 	for (i=0; i<SSL_PKEY_NUM; i++)
sl@0: 		{
sl@0: 		if (c->pkeys[i].x509 != NULL)
sl@0: 			X509_free(c->pkeys[i].x509);
sl@0: 		if (c->pkeys[i].privatekey != NULL)
sl@0: 			EVP_PKEY_free(c->pkeys[i].privatekey);
sl@0: #if 0
sl@0: 		if (c->pkeys[i].publickey != NULL)
sl@0: 			EVP_PKEY_free(c->pkeys[i].publickey);
sl@0: #endif
sl@0: 		}
sl@0: 	OPENSSL_free(c);
sl@0: 	}
sl@0: 
sl@0: int ssl_cert_inst(CERT **o)
sl@0: 	{
sl@0: 	/* Create a CERT if there isn't already one
sl@0: 	 * (which cannot really happen, as it is initially created in
sl@0: 	 * SSL_CTX_new; but the earlier code usually allows for that one
sl@0: 	 * being non-existant, so we follow that behaviour, as it might
sl@0: 	 * turn out that there actually is a reason for it -- but I'm
sl@0: 	 * not sure that *all* of the existing code could cope with
sl@0: 	 * s->cert being NULL, otherwise we could do without the
sl@0: 	 * initialization in SSL_CTX_new).
sl@0: 	 */
sl@0: 	
sl@0: 	if (o == NULL) 
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (*o == NULL)
sl@0: 		{
sl@0: 		if ((*o = ssl_cert_new()) == NULL)
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
sl@0: 			return(0);
sl@0: 			}
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: SESS_CERT *ssl_sess_cert_new(void)
sl@0: 	{
sl@0: 	SESS_CERT *ret;
sl@0: 
sl@0: 	ret = OPENSSL_malloc(sizeof *ret);
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 		}
sl@0: 
sl@0: 	memset(ret, 0 ,sizeof *ret);
sl@0: 	ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
sl@0: 	ret->references = 1;
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: void ssl_sess_cert_free(SESS_CERT *sc)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	if (sc == NULL)
sl@0: 		return;
sl@0: 
sl@0: 	i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
sl@0: #ifdef REF_PRINT
sl@0: 	REF_PRINT("SESS_CERT", sc);
sl@0: #endif
sl@0: 	if (i > 0)
sl@0: 		return;
sl@0: #ifdef REF_CHECK
sl@0: 	if (i < 0)
sl@0: 		{
sl@0: 		fprintf(stderr,"ssl_sess_cert_free, bad reference count\n");
sl@0: 		abort(); /* ok */
sl@0: 		}
sl@0: #endif
sl@0: 
sl@0: 	/* i == 0 */
sl@0: 	if (sc->cert_chain != NULL)
sl@0: 		sk_X509_pop_free(sc->cert_chain, X509_free);
sl@0: 	for (i = 0; i < SSL_PKEY_NUM; i++)
sl@0: 		{
sl@0: 		if (sc->peer_pkeys[i].x509 != NULL)
sl@0: 			X509_free(sc->peer_pkeys[i].x509);
sl@0: #if 0 /* We don't have the peer's private key.  These lines are just
sl@0: 	   * here as a reminder that we're still using a not-quite-appropriate
sl@0: 	   * data structure. */
sl@0: 		if (sc->peer_pkeys[i].privatekey != NULL)
sl@0: 			EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
sl@0: #endif
sl@0: 		}
sl@0: 
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	if (sc->peer_rsa_tmp != NULL)
sl@0: 		RSA_free(sc->peer_rsa_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 	if (sc->peer_dh_tmp != NULL)
sl@0: 		DH_free(sc->peer_dh_tmp);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_ECDH
sl@0: 	if (sc->peer_ecdh_tmp != NULL)
sl@0: 		EC_KEY_free(sc->peer_ecdh_tmp);
sl@0: #endif
sl@0: 
sl@0: 	OPENSSL_free(sc);
sl@0: 	}
sl@0: 
sl@0: int ssl_set_peer_cert_type(SESS_CERT *sc,int type)
sl@0: 	{
sl@0: 	sc->peer_cert_type = type;
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk)
sl@0: 	{
sl@0: 	X509 *x;
sl@0: 	int i;
sl@0: 	X509_STORE_CTX ctx;
sl@0: 
sl@0: 	if ((sk == NULL) || (sk_X509_num(sk) == 0))
sl@0: 		return(0);
sl@0: 
sl@0: 	x=sk_X509_value(sk,0);
sl@0: 	if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if (s->param)
sl@0: 		X509_VERIFY_PARAM_inherit(X509_STORE_CTX_get0_param(&ctx),
sl@0: 						s->param);
sl@0: #if 0
sl@0: 	if (SSL_get_verify_depth(s) >= 0)
sl@0: 		X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
sl@0: #endif
sl@0: 	X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s);
sl@0: 
sl@0: 	/* We need to inherit the verify parameters. These can be determined by
sl@0: 	 * the context: if its a server it will verify SSL client certificates
sl@0: 	 * or vice versa.
sl@0: 	 */
sl@0: 
sl@0: 	X509_STORE_CTX_set_default(&ctx,
sl@0: 				s->server ? "ssl_client" : "ssl_server");
sl@0: 
sl@0: 	if (s->verify_callback)
sl@0: 		X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
sl@0: 
sl@0: 	if (s->ctx->app_verify_callback != NULL)
sl@0: #if 1 /* new with OpenSSL 0.9.7 */
sl@0: 		i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); 
sl@0: #else
sl@0: 		i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */
sl@0: #endif
sl@0: 	else
sl@0: 		{
sl@0: #ifndef OPENSSL_NO_X509_VERIFY
sl@0: 		i=X509_verify_cert(&ctx);
sl@0: #else
sl@0: 		i=0;
sl@0: 		ctx.error=X509_V_ERR_APPLICATION_VERIFICATION;
sl@0: 		SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK);
sl@0: #endif
sl@0: 		}
sl@0: 
sl@0: 	s->verify_result=ctx.error;
sl@0: 	X509_STORE_CTX_cleanup(&ctx);
sl@0: 
sl@0: 	return(i);
sl@0: 	}
sl@0: 
sl@0: static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list)
sl@0: 	{
sl@0: 	if (*ca_list != NULL)
sl@0: 		sk_X509_NAME_pop_free(*ca_list,X509_NAME_free);
sl@0: 
sl@0: 	*ca_list=name_list;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
sl@0: 	{
sl@0: 	int i;
sl@0: 	STACK_OF(X509_NAME) *ret;
sl@0: 	X509_NAME *name;
sl@0: 
sl@0: 	ret=sk_X509_NAME_new_null();
sl@0: 	for (i=0; i<sk_X509_NAME_num(sk); i++)
sl@0: 		{
sl@0: 		name=X509_NAME_dup(sk_X509_NAME_value(sk,i));
sl@0: 		if ((name == NULL) || !sk_X509_NAME_push(ret,name))
sl@0: 			{
sl@0: 			sk_X509_NAME_pop_free(ret,X509_NAME_free);
sl@0: 			return(NULL);
sl@0: 			}
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list)
sl@0: 	{
sl@0: 	set_client_CA_list(&(s->client_CA),name_list);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list)
sl@0: 	{
sl@0: 	set_client_CA_list(&(ctx->client_CA),name_list);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
sl@0: 	{
sl@0: 	return(ctx->client_CA);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
sl@0: 	{
sl@0: 	if (s->type == SSL_ST_CONNECT)
sl@0: 		{ /* we are in the client */
sl@0: 		if (((s->version>>8) == SSL3_VERSION_MAJOR) &&
sl@0: 			(s->s3 != NULL))
sl@0: 			return(s->s3->tmp.ca_names);
sl@0: 		else
sl@0: 			return(NULL);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		if (s->client_CA != NULL)
sl@0: 			return(s->client_CA);
sl@0: 		else
sl@0: 			return(s->ctx->client_CA);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x)
sl@0: 	{
sl@0: 	X509_NAME *name;
sl@0: 
sl@0: 	if (x == NULL) return(0);
sl@0: 	if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL))
sl@0: 		return(0);
sl@0: 		
sl@0: 	if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL)
sl@0: 		return(0);
sl@0: 
sl@0: 	if (!sk_X509_NAME_push(*sk,name))
sl@0: 		{
sl@0: 		X509_NAME_free(name);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_add_client_CA(SSL *ssl,X509 *x)
sl@0: 	{
sl@0: 	return(add_client_CA(&(ssl->client_CA),x));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x)
sl@0: 	{
sl@0: 	return(add_client_CA(&(ctx->client_CA),x));
sl@0: 	}
sl@0: 
sl@0: static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
sl@0: 	{
sl@0: 	return(X509_NAME_cmp(*a,*b));
sl@0: 	}
sl@0: 
sl@0: #ifndef OPENSSL_NO_STDIO
sl@0: /*!
sl@0:  * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
sl@0:  * it doesn't really have anything to do with clients (except that a common use
sl@0:  * for a stack of CAs is to send it to the client). Actually, it doesn't have
sl@0:  * much to do with CAs, either, since it will load any old cert.
sl@0:  * \param file the file containing one or more certs.
sl@0:  * \return a ::STACK containing the certs.
sl@0:  */
sl@0: EXPORT_C STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
sl@0: 	{
sl@0: 	BIO *in;
sl@0: 	X509 *x=NULL;
sl@0: 	X509_NAME *xn=NULL;
sl@0: 	STACK_OF(X509_NAME) *ret = NULL,*sk;
sl@0: 
sl@0: 	sk=sk_X509_NAME_new(xname_cmp);
sl@0: 
sl@0: 	in=BIO_new(BIO_s_file_internal());
sl@0: 
sl@0: 	if ((sk == NULL) || (in == NULL))
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	
sl@0: 	if (!BIO_read_filename(in,file))
sl@0: 		goto err;
sl@0: 
sl@0: 	for (;;)
sl@0: 		{
sl@0: 		if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
sl@0: 			break;
sl@0: 		if (ret == NULL)
sl@0: 			{
sl@0: 			ret = sk_X509_NAME_new_null();
sl@0: 			if (ret == NULL)
sl@0: 				{
sl@0: 				SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE);
sl@0: 				goto err;
sl@0: 				}
sl@0: 			}
sl@0: 		if ((xn=X509_get_subject_name(x)) == NULL) goto err;
sl@0: 		/* check for duplicates */
sl@0: 		xn=X509_NAME_dup(xn);
sl@0: 		if (xn == NULL) goto err;
sl@0: 		if (sk_X509_NAME_find(sk,xn) >= 0)
sl@0: 			X509_NAME_free(xn);
sl@0: 		else
sl@0: 			{
sl@0: 			sk_X509_NAME_push(sk,xn);
sl@0: 			sk_X509_NAME_push(ret,xn);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (0)
sl@0: 		{
sl@0: err:
sl@0: 		if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free);
sl@0: 		ret=NULL;
sl@0: 		}
sl@0: 	if (sk != NULL) sk_X509_NAME_free(sk);
sl@0: 	if (in != NULL) BIO_free(in);
sl@0: 	if (x != NULL) X509_free(x);
sl@0: 	if (ret != NULL)
sl@0: 		ERR_clear_error();
sl@0: 	return(ret);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: /*!
sl@0:  * Add a file of certs to a stack.
sl@0:  * \param stack the stack to add to.
sl@0:  * \param file the file to add from. All certs in this file that are not
sl@0:  * already in the stack will be added.
sl@0:  * \return 1 for success, 0 for failure. Note that in the case of failure some
sl@0:  * certs may have been added to \c stack.
sl@0:  */
sl@0: 
sl@0: EXPORT_C int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
sl@0: 					const char *file)
sl@0: 	{
sl@0: 	BIO *in;
sl@0: 	X509 *x=NULL;
sl@0: 	X509_NAME *xn=NULL;
sl@0: 	int ret=1;
sl@0: 	int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b);
sl@0: 	
sl@0: 	oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
sl@0: 	
sl@0: 	in=BIO_new(BIO_s_file_internal());
sl@0: 	
sl@0: 	if (in == NULL)
sl@0: 		{
sl@0: 		SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	
sl@0: 	if (!BIO_read_filename(in,file))
sl@0: 		goto err;
sl@0: 	
sl@0: 	for (;;)
sl@0: 		{
sl@0: 		if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
sl@0: 			break;
sl@0: 		if ((xn=X509_get_subject_name(x)) == NULL) goto err;
sl@0: 		xn=X509_NAME_dup(xn);
sl@0: 		if (xn == NULL) goto err;
sl@0: 		if (sk_X509_NAME_find(stack,xn) >= 0)
sl@0: 			X509_NAME_free(xn);
sl@0: 		else
sl@0: 			sk_X509_NAME_push(stack,xn);
sl@0: 		}
sl@0: 
sl@0: 	if (0)
sl@0: 		{
sl@0: err:
sl@0: 		ret=0;
sl@0: 		}
sl@0: 	if(in != NULL)
sl@0: 		BIO_free(in);
sl@0: 	if(x != NULL)
sl@0: 		X509_free(x);
sl@0: 	
sl@0: 	(void)sk_X509_NAME_set_cmp_func(stack,oldcmp);
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: /*!
sl@0:  * Add a directory of certs to a stack.
sl@0:  * \param stack the stack to append to.
sl@0:  * \param dir the directory to append from. All files in this directory will be
sl@0:  * examined as potential certs. Any that are acceptable to
sl@0:  * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
sl@0:  * included.
sl@0:  * \return 1 for success, 0 for failure. Note that in the case of failure some
sl@0:  * certs may have been added to \c stack.
sl@0:  */
sl@0: 
sl@0: EXPORT_C int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
sl@0: 				       const char *dir)
sl@0: 	{
sl@0: 	OPENSSL_DIR_CTX *d = NULL;
sl@0: 	const char *filename;
sl@0: 	int ret = 0;
sl@0: 
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
sl@0: 
sl@0: 	/* Note that a side effect is that the CAs will be sorted by name */
sl@0: 
sl@0: 	while((filename = OPENSSL_DIR_read(&d, dir)))
sl@0: 		{
sl@0: 		char buf[1024];
sl@0: 		int r;
sl@0: 
sl@0: 		if(strlen(dir)+strlen(filename)+2 > sizeof buf)
sl@0: 			{
sl@0: 			SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
sl@0: 			goto err;
sl@0: 			}
sl@0: 
sl@0: #ifdef OPENSSL_SYS_VMS
sl@0: 		r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename);
sl@0: #else
sl@0: 		r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename);
sl@0: #endif
sl@0: 		if (r <= 0 || r >= (int)sizeof(buf))
sl@0: 			goto err;
sl@0: 		if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 	if (errno)
sl@0: 		{
sl@0: 		SYSerr(SYS_F_OPENDIR, get_last_sys_error());
sl@0: 		ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
sl@0: 		SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
sl@0: 		goto err;
sl@0: 		}
sl@0: 
sl@0: 	ret = 1;
sl@0: 
sl@0: err:
sl@0: 	if (d) OPENSSL_DIR_end(&d);
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
sl@0: 	return ret;
sl@0: 	}
sl@0: