diff options
Diffstat (limited to 'thirdparty/openssl/ssl/ssl_cert.c')
| -rw-r--r-- | thirdparty/openssl/ssl/ssl_cert.c | 1263 |
1 files changed, 0 insertions, 1263 deletions
diff --git a/thirdparty/openssl/ssl/ssl_cert.c b/thirdparty/openssl/ssl/ssl_cert.c deleted file mode 100644 index 155728d037..0000000000 --- a/thirdparty/openssl/ssl/ssl_cert.c +++ /dev/null @@ -1,1263 +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; - - if (((size_t)&ssl_x509_store_ctx_idx & - (sizeof(ssl_x509_store_ctx_idx) - 1)) - == 0) { /* check alignment, practically always true */ - int ret; - - if ((ret = ssl_x509_store_ctx_idx) < 0) { - CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); - if ((ret = ssl_x509_store_ctx_idx) < 0) { - ret = ssl_x509_store_ctx_idx = - X509_STORE_CTX_get_ex_new_index(0, - "SSL for verify callback", - NULL, NULL, NULL); - } - CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); - } - - return ret; - } else { /* commonly eliminated */ - - 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 -#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->references = 1; - 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; - 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); - } - - if (cpk->chain) { - rpk->chain = X509_chain_up_ref(cpk->chain); - if (!rpk->chain) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); - goto err; - } - } - rpk->valid_flags = 0; -#ifndef OPENSSL_NO_TLSEXT - if (cert->pkeys[i].serverinfo != NULL) { - /* Just copy everything. */ - ret->pkeys[i].serverinfo = - OPENSSL_malloc(cert->pkeys[i].serverinfo_length); - if (ret->pkeys[i].serverinfo == NULL) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); - goto err; - } - ret->pkeys[i].serverinfo_length = - cert->pkeys[i].serverinfo_length; - memcpy(ret->pkeys[i].serverinfo, - cert->pkeys[i].serverinfo, - cert->pkeys[i].serverinfo_length); - } -#endif - } - - /* - * 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->ctypes) { - ret->ctypes = OPENSSL_malloc(cert->ctype_num); - if (!ret->ctypes) - goto err; - memcpy(ret->ctypes, cert->ctypes, cert->ctype_num); - ret->ctype_num = cert->ctype_num; - } - - 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; - -#ifndef OPENSSL_NO_TLSEXT - if (!custom_exts_copy(&ret->cli_ext, &cert->cli_ext)) - goto err; - if (!custom_exts_copy(&ret->srv_ext, &cert->srv_ext)) - goto err; -#endif - - return (ret); - - err: -#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 - -#ifndef OPENSSL_NO_TLSEXT - custom_exts_free(&ret->cli_ext); - custom_exts_free(&ret->srv_ext); -#endif - - ssl_cert_clear_certs(ret); - OPENSSL_free(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; - } -#ifndef OPENSSL_NO_TLSEXT - if (cpk->serverinfo) { - OPENSSL_free(cpk->serverinfo); - cpk->serverinfo = NULL; - cpk->serverinfo_length = 0; - } -#endif - /* Clear all flags apart from explicit sign */ - cpk->valid_flags &= CERT_PKEY_EXPLICIT_SIGN; - } -} - -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 - - 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->ctypes) - OPENSSL_free(c->ctypes); - 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); -#ifndef OPENSSL_NO_TLSEXT - custom_exts_free(&c->cli_ext); - custom_exts_free(&c->srv_ext); - if (c->alpn_proposed) - OPENSSL_free(c->alpn_proposed); -#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); -} - -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++) { - CERT_PKEY *cpk = c->pkeys + i; - if (cpk->x509 == x && cpk->privatekey) { - c->key = cpk; - return 1; - } - } - - for (i = 0; i < SSL_PKEY_NUM; i++) { - CERT_PKEY *cpk = c->pkeys + i; - if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x)) { - c->key = cpk; - return 1; - } - } - return 0; -} - -int ssl_cert_set_current(CERT *c, long op) -{ - int i, idx; - if (!c) - return 0; - if (op == SSL_CERT_SET_FIRST) - idx = 0; - else if (op == SSL_CERT_SET_NEXT) { - idx = (int)(c->key - c->pkeys + 1); - if (idx >= SSL_PKEY_NUM) - return 0; - } else - return 0; - for (i = idx; i < SSL_PKEY_NUM; i++) { - CERT_PKEY *cpk = c->pkeys + i; - if (cpk->x509 && cpk->privatekey) { - c->key = cpk; - 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) { - 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 *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)) { - SSLerr(SSL_F_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; - 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)); -} - -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; -} - -/* 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 (n < 0 || !BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) { - SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB); - return 0; - } - p = (unsigned char *)&(buf->data[*l]); - l2n3(n, p); - n = i2d_X509(x, &p); - if (n < 0) { - /* Shouldn't happen */ - SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB); - return 0; - } - *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)) { - SSLerr(SSL_F_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)) { - SSLerr(SSL_F_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) { - SSLerr(SSL_F_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)) { - SSLerr(SSL_F_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) { - SSLerr(SSL_F_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; -} |