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- /* 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 <openssl/bio.h>
- #include <openssl/bn.h>
- #include <openssl/buf.h>
- #include <openssl/dh.h>
- #include <openssl/err.h>
- #include <openssl/mem.h>
- #include <openssl/obj.h>
- #include <openssl/pem.h>
- #include <openssl/x509v3.h>
-
- #include "../crypto/dh/internal.h"
- #include "../crypto/directory.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;
- }
-
- 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
- cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
- cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
- #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)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_cert_new, ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- memset(ret,0,sizeof(CERT));
-
- ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]);
- 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)
- {
- OPENSSL_PUT_ERROR(SSL, 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;
-
- #ifndef OPENSSL_NO_DH
- if (cert->dh_tmp != NULL)
- {
- ret->dh_tmp = DHparams_dup(cert->dh_tmp);
- if (ret->dh_tmp == NULL)
- {
- OPENSSL_PUT_ERROR(SSL, 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)
- {
- OPENSSL_PUT_ERROR(SSL, 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)
- {
- OPENSSL_PUT_ERROR(SSL, 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)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_cert_dup, ERR_R_EC_LIB);
- goto err;
- }
- }
- ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
- ret->ecdh_tmp_auto = cert->ecdh_tmp_auto;
- #endif
-
- for (i = 0; i < SSL_PKEY_NUM; i++)
- {
- CERT_PKEY *cpk = cert->pkeys + i;
- CERT_PKEY *rpk = ret->pkeys + i;
- if (cpk->x509 != NULL)
- {
- rpk->x509 = cpk->x509;
- CRYPTO_add(&rpk->x509->references, 1, CRYPTO_LOCK_X509);
- }
-
- if (cpk->privatekey != NULL)
- {
- rpk->privatekey = cpk->privatekey;
- CRYPTO_add(&cpk->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. */
- OPENSSL_PUT_ERROR(SSL, ssl_cert_dup, SSL_R_LIBRARY_BUG);
- }
- }
-
- if (cpk->chain)
- {
- rpk->chain = X509_chain_up_ref(cpk->chain);
- if (!rpk->chain)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_cert_dup, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
- rpk->valid_flags = 0;
- }
-
- /* Set digests to defaults. NB: we don't copy existing values as they
- * will be set during handshake.
- */
- ssl_cert_set_default_md(ret);
- /* Peer sigalgs set to NULL as we get these from handshake too */
- ret->peer_sigalgs = NULL;
- ret->peer_sigalgslen = 0;
- /* Configured sigalgs however we copy across */
-
- if (cert->conf_sigalgs)
- {
- ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen);
- if (!ret->conf_sigalgs)
- goto err;
- memcpy(ret->conf_sigalgs, cert->conf_sigalgs,
- cert->conf_sigalgslen);
- ret->conf_sigalgslen = cert->conf_sigalgslen;
- }
- else
- ret->conf_sigalgs = NULL;
-
- if (cert->client_sigalgs)
- {
- ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen);
- if (!ret->client_sigalgs)
- goto err;
- memcpy(ret->client_sigalgs, cert->client_sigalgs,
- cert->client_sigalgslen);
- ret->client_sigalgslen = cert->client_sigalgslen;
- }
- else
- ret->client_sigalgs = NULL;
- /* Shared sigalgs also NULL */
- ret->shared_sigalgs = NULL;
- /* Copy any custom client certificate types */
- if (cert->client_certificate_types)
- {
- ret->client_certificate_types = BUF_memdup(
- cert->client_certificate_types,
- cert->num_client_certificate_types);
- if (!ret->client_certificate_types)
- goto err;
- ret->num_client_certificate_types = cert->num_client_certificate_types;
- }
-
- ret->cert_flags = cert->cert_flags;
-
- ret->cert_cb = cert->cert_cb;
- ret->cert_cb_arg = cert->cert_cb_arg;
-
- if (cert->verify_store)
- {
- CRYPTO_add(&cert->verify_store->references, 1, CRYPTO_LOCK_X509_STORE);
- ret->verify_store = cert->verify_store;
- }
-
- if (cert->chain_store)
- {
- CRYPTO_add(&cert->chain_store->references, 1, CRYPTO_LOCK_X509_STORE);
- ret->chain_store = cert->chain_store;
- }
-
- ret->ciphers_raw = NULL;
-
- return(ret);
-
- #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
- err:
- #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
-
- ssl_cert_clear_certs(ret);
-
- return NULL;
- }
-
- /* Free up and clear all certificates and chains */
-
- void ssl_cert_clear_certs(CERT *c)
- {
- int i;
- if (c == NULL)
- return;
- for (i = 0; i<SSL_PKEY_NUM; i++)
- {
- CERT_PKEY *cpk = c->pkeys + i;
- if (cpk->x509)
- {
- X509_free(cpk->x509);
- cpk->x509 = NULL;
- }
- if (cpk->privatekey)
- {
- EVP_PKEY_free(cpk->privatekey);
- cpk->privatekey = NULL;
- }
- if (cpk->chain)
- {
- sk_X509_pop_free(cpk->chain, X509_free);
- cpk->chain = NULL;
- }
- /* Clear all flags apart from explicit sign */
- cpk->valid_flags &= CERT_PKEY_EXPLICIT_SIGN;
- }
- }
-
- void ssl_cert_free(CERT *c)
- {
- if(c == NULL)
- return;
-
- #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
-
- ssl_cert_clear_certs(c);
- if (c->peer_sigalgs)
- OPENSSL_free(c->peer_sigalgs);
- if (c->conf_sigalgs)
- OPENSSL_free(c->conf_sigalgs);
- if (c->client_sigalgs)
- OPENSSL_free(c->client_sigalgs);
- if (c->shared_sigalgs)
- OPENSSL_free(c->shared_sigalgs);
- if (c->client_certificate_types)
- OPENSSL_free(c->client_certificate_types);
- if (c->verify_store)
- X509_STORE_free(c->verify_store);
- if (c->chain_store)
- X509_STORE_free(c->chain_store);
- if (c->ciphers_raw)
- OPENSSL_free(c->ciphers_raw);
- 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)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_cert_inst, ERR_R_PASSED_NULL_PARAMETER);
- return(0);
- }
- if (*o == NULL)
- {
- if ((*o = ssl_cert_new()) == NULL)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_cert_new, ERR_R_MALLOC_FAILURE);
- return(0);
- }
- }
- return(1);
- }
-
- int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain)
- {
- CERT_PKEY *cpk = c->key;
- if (!cpk)
- return 0;
- if (cpk->chain)
- sk_X509_pop_free(cpk->chain, X509_free);
- cpk->chain = chain;
- return 1;
- }
-
- int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain)
- {
- STACK_OF(X509) *dchain;
- if (!chain)
- return ssl_cert_set0_chain(c, NULL);
- dchain = X509_chain_up_ref(chain);
- if (!dchain)
- return 0;
- if (!ssl_cert_set0_chain(c, dchain))
- {
- sk_X509_pop_free(dchain, X509_free);
- return 0;
- }
- return 1;
- }
-
- int ssl_cert_add0_chain_cert(CERT *c, X509 *x)
- {
- CERT_PKEY *cpk = c->key;
- if (!cpk)
- return 0;
- if (!cpk->chain)
- cpk->chain = sk_X509_new_null();
- if (!cpk->chain || !sk_X509_push(cpk->chain, x))
- return 0;
- return 1;
- }
-
- int ssl_cert_add1_chain_cert(CERT *c, X509 *x)
- {
- if (!ssl_cert_add0_chain_cert(c, x))
- return 0;
- CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
- return 1;
- }
-
- int ssl_cert_select_current(CERT *c, X509 *x)
- {
- int i;
- if (x == NULL)
- return 0;
- for (i = 0; i < SSL_PKEY_NUM; i++)
- {
- if (c->pkeys[i].x509 == x)
- {
- c->key = &c->pkeys[i];
- return 1;
- }
- }
-
- for (i = 0; i < SSL_PKEY_NUM; i++)
- {
- if (c->pkeys[i].x509 && !X509_cmp(c->pkeys[i].x509, x))
- {
- c->key = &c->pkeys[i];
- return 1;
- }
- }
- return 0;
- }
-
- void ssl_cert_set_cert_cb(CERT *c, int (*cb)(SSL *ssl, void *arg), void *arg)
- {
- c->cert_cb = cb;
- c->cert_cb_arg = arg;
- }
-
- SESS_CERT *ssl_sess_cert_new(void)
- {
- SESS_CERT *ret;
-
- ret = OPENSSL_malloc(sizeof *ret);
- if (ret == NULL)
- {
- OPENSSL_PUT_ERROR(SSL, 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
- }
-
- if (sc->peer_rsa_tmp != NULL)
- RSA_free(sc->peer_rsa_tmp);
- #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 *verify_store;
- X509_STORE_CTX ctx;
-
- if (s->cert->verify_store)
- verify_store = s->cert->verify_store;
- else
- verify_store = s->ctx->cert_store;
-
- if ((sk == NULL) || (sk_X509_num(sk) == 0))
- return(0);
-
- x=sk_X509_value(sk,0);
- if(!X509_STORE_CTX_init(&ctx,verify_store,x,sk))
- {
- OPENSSL_PUT_ERROR(SSL, ssl_verify_cert_chain, ERR_R_X509_LIB);
- return(0);
- }
- /* Set suite B flags if needed */
- X509_STORE_CTX_set_flags(&ctx, tls1_suiteb(s));
- #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;
- OPENSSL_PUT_ERROR(SSL, 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));
- }
-
- static int xname_cmp(const X509_NAME **a, const X509_NAME **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());
-
- if ((sk == NULL) || (in == NULL))
- {
- OPENSSL_PUT_ERROR(SSL, 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)
- {
- OPENSSL_PUT_ERROR(SSL, 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, NULL, xn))
- 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 **a, const X509_NAME **b);
-
- oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
-
- in=BIO_new(BIO_s_file());
-
- if (in == NULL)
- {
- OPENSSL_PUT_ERROR(SSL, 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, NULL, xn))
- 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)
- {
- OPENSSL_PUT_ERROR(SSL, 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)
- {
- OPENSSL_PUT_ERROR(SSL, SSL_add_file_cert_subjects_to_stack, ERR_R_SYS_LIB);
- ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
- goto err;
- }
-
- ret = 1;
-
- err:
- if (d) OPENSSL_DIR_end(&d);
- CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
- return ret;
- }
-
- /* Add a certificate to a BUF_MEM structure */
-
- static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x)
- {
- int n;
- unsigned char *p;
-
- n=i2d_X509(x,NULL);
- if (!BUF_MEM_grow_clean(buf,(int)(n+(*l)+3)))
- {
- OPENSSL_PUT_ERROR(SSL, ssl_add_cert_to_buf, ERR_R_BUF_LIB);
- return 0;
- }
- p=(unsigned char *)&(buf->data[*l]);
- l2n3(n,p);
- i2d_X509(x,&p);
- *l+=n+3;
-
- return 1;
- }
-
- /* Add certificate chain to internal SSL BUF_MEM strcuture */
- int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l)
- {
- BUF_MEM *buf = s->init_buf;
- int no_chain;
- int i;
-
- X509 *x;
- STACK_OF(X509) *extra_certs;
- X509_STORE *chain_store;
-
- if (cpk)
- x = cpk->x509;
- else
- x = NULL;
-
- if (s->cert->chain_store)
- chain_store = s->cert->chain_store;
- else
- chain_store = s->ctx->cert_store;
-
- /* If we have a certificate specific chain use it, else use
- * parent ctx.
- */
- if (cpk && cpk->chain)
- extra_certs = cpk->chain;
- else
- extra_certs = s->ctx->extra_certs;
-
- if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)
- no_chain = 1;
- else
- no_chain = 0;
-
- /* TLSv1 sends a chain with nothing in it, instead of an alert */
- if (!BUF_MEM_grow_clean(buf,10))
- {
- OPENSSL_PUT_ERROR(SSL, ssl_add_cert_chain, ERR_R_BUF_LIB);
- return 0;
- }
- if (x != NULL)
- {
- if (no_chain)
- {
- if (!ssl_add_cert_to_buf(buf, l, x))
- return 0;
- }
- else
- {
- X509_STORE_CTX xs_ctx;
-
- if (!X509_STORE_CTX_init(&xs_ctx,chain_store,x,NULL))
- {
- OPENSSL_PUT_ERROR(SSL, ssl_add_cert_chain, ERR_R_X509_LIB);
- return(0);
- }
- X509_verify_cert(&xs_ctx);
- /* Don't leave errors in the queue */
- ERR_clear_error();
- for (i=0; i < sk_X509_num(xs_ctx.chain); i++)
- {
- x = sk_X509_value(xs_ctx.chain, i);
-
- if (!ssl_add_cert_to_buf(buf, l, x))
- {
- X509_STORE_CTX_cleanup(&xs_ctx);
- return 0;
- }
- }
- X509_STORE_CTX_cleanup(&xs_ctx);
- }
- }
- for (i=0; i<sk_X509_num(extra_certs); i++)
- {
- x=sk_X509_value(extra_certs,i);
- if (!ssl_add_cert_to_buf(buf, l, x))
- return 0;
- }
-
- return 1;
- }
-
- /* Build a certificate chain for current certificate */
- int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags)
- {
- CERT_PKEY *cpk = c->key;
- X509_STORE_CTX xs_ctx;
- STACK_OF(X509) *chain = NULL, *untrusted = NULL;
- X509 *x;
- int i, rv = 0;
- unsigned long error;
-
- if (!cpk->x509)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_build_cert_chain, SSL_R_NO_CERTIFICATE_SET);
- goto err;
- }
- /* Rearranging and check the chain: add everything to a store */
- if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
- {
- chain_store = X509_STORE_new();
- if (!chain_store)
- goto err;
- for (i = 0; i < sk_X509_num(cpk->chain); i++)
- {
- x = sk_X509_value(cpk->chain, i);
- if (!X509_STORE_add_cert(chain_store, x))
- {
- error = ERR_peek_last_error();
- if (ERR_GET_LIB(error) != ERR_LIB_X509 ||
- ERR_GET_REASON(error) != X509_R_CERT_ALREADY_IN_HASH_TABLE)
- goto err;
- ERR_clear_error();
- }
- }
- /* Add EE cert too: it might be self signed */
- if (!X509_STORE_add_cert(chain_store, cpk->x509))
- {
- error = ERR_peek_last_error();
- if (ERR_GET_LIB(error) != ERR_LIB_X509 ||
- ERR_GET_REASON(error) != X509_R_CERT_ALREADY_IN_HASH_TABLE)
- goto err;
- ERR_clear_error();
- }
- }
- else
- {
- if (c->chain_store)
- chain_store = c->chain_store;
-
- if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED)
- untrusted = cpk->chain;
- }
-
- if (!X509_STORE_CTX_init(&xs_ctx, chain_store, cpk->x509, untrusted))
- {
- OPENSSL_PUT_ERROR(SSL, ssl_build_cert_chain, ERR_R_X509_LIB);
- goto err;
- }
- /* Set suite B flags if needed */
- X509_STORE_CTX_set_flags(&xs_ctx, c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS);
-
- i = X509_verify_cert(&xs_ctx);
- if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR)
- {
- if (flags & SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR)
- ERR_clear_error();
- i = 1;
- rv = 2;
- }
- if (i > 0)
- chain = X509_STORE_CTX_get1_chain(&xs_ctx);
- if (i <= 0)
- {
- OPENSSL_PUT_ERROR(SSL, ssl_build_cert_chain, SSL_R_CERTIFICATE_VERIFY_FAILED);
- i = X509_STORE_CTX_get_error(&xs_ctx);
- ERR_add_error_data(2, "Verify error:",
- X509_verify_cert_error_string(i));
-
- X509_STORE_CTX_cleanup(&xs_ctx);
- goto err;
- }
- X509_STORE_CTX_cleanup(&xs_ctx);
- if (cpk->chain)
- sk_X509_pop_free(cpk->chain, X509_free);
- /* Remove EE certificate from chain */
- x = sk_X509_shift(chain);
- X509_free(x);
- if (flags & SSL_BUILD_CHAIN_FLAG_NO_ROOT)
- {
- if (sk_X509_num(chain) > 0)
- {
- /* See if last cert is self signed */
- x = sk_X509_value(chain, sk_X509_num(chain) - 1);
- X509_check_purpose(x, -1, 0);
- if (x->ex_flags & EXFLAG_SS)
- {
- x = sk_X509_pop(chain);
- X509_free(x);
- }
- }
- }
- cpk->chain = chain;
- if (rv == 0)
- rv = 1;
- err:
- if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
- X509_STORE_free(chain_store);
-
- return rv;
- }
-
- int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref)
- {
- X509_STORE **pstore;
- if (chain)
- pstore = &c->chain_store;
- else
- pstore = &c->verify_store;
- if (*pstore)
- X509_STORE_free(*pstore);
- *pstore = store;
- if (ref && store)
- CRYPTO_add(&store->references, 1, CRYPTO_LOCK_X509_STORE);
- return 1;
- }
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