| /* 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 <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <openssl/bio.h> |
| #include <openssl/bn.h> |
| #include <openssl/buf.h> |
| #include <openssl/ec_key.h> |
| #include <openssl/dh.h> |
| #include <openssl/err.h> |
| #include <openssl/mem.h> |
| #include <openssl/obj.h> |
| #include <openssl/pem.h> |
| #include <openssl/x509.h> |
| #include <openssl/x509v3.h> |
| |
| #include "../crypto/dh/internal.h" |
| #include "../crypto/directory.h" |
| #include "../crypto/internal.h" |
| #include "internal.h" |
| |
| |
| int SSL_get_ex_data_X509_STORE_CTX_idx(void) { |
| /* The ex_data index to go from |X509_STORE_CTX| to |SSL| always uses the |
| * reserved app_data slot. Before ex_data was introduced, app_data was used. |
| * Avoid breaking any software which assumes |X509_STORE_CTX_get_app_data| |
| * works. */ |
| return 0; |
| } |
| |
| CERT *ssl_cert_new(void) { |
| CERT *ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
| if (ret == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| return NULL; |
| } |
| memset(ret, 0, sizeof(CERT)); |
| |
| return ret; |
| } |
| |
| CERT *ssl_cert_dup(CERT *cert) { |
| CERT *ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
| if (ret == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| return NULL; |
| } |
| memset(ret, 0, sizeof(CERT)); |
| |
| ret->mask_k = cert->mask_k; |
| ret->mask_a = cert->mask_a; |
| |
| if (cert->dh_tmp != NULL) { |
| ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
| if (ret->dh_tmp == NULL) { |
| OPENSSL_PUT_ERROR(SSL, 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, 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, ERR_R_BN_LIB); |
| goto err; |
| } |
| ret->dh_tmp->pub_key = b; |
| } |
| } |
| ret->dh_tmp_cb = cert->dh_tmp_cb; |
| |
| ret->ecdh_nid = cert->ecdh_nid; |
| ret->ecdh_tmp_cb = cert->ecdh_tmp_cb; |
| |
| if (cert->x509 != NULL) { |
| ret->x509 = X509_up_ref(cert->x509); |
| } |
| |
| if (cert->privatekey != NULL) { |
| ret->privatekey = EVP_PKEY_up_ref(cert->privatekey); |
| } |
| |
| if (cert->chain) { |
| ret->chain = X509_chain_up_ref(cert->chain); |
| if (!ret->chain) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| goto err; |
| } |
| } |
| |
| ret->cert_cb = cert->cert_cb; |
| ret->cert_cb_arg = cert->cert_cb_arg; |
| |
| return ret; |
| |
| err: |
| ssl_cert_free(ret); |
| return NULL; |
| } |
| |
| /* Free up and clear all certificates and chains */ |
| void ssl_cert_clear_certs(CERT *cert) { |
| if (cert == NULL) { |
| return; |
| } |
| |
| X509_free(cert->x509); |
| cert->x509 = NULL; |
| EVP_PKEY_free(cert->privatekey); |
| cert->privatekey = NULL; |
| sk_X509_pop_free(cert->chain, X509_free); |
| cert->chain = NULL; |
| cert->key_method = NULL; |
| } |
| |
| void ssl_cert_free(CERT *c) { |
| if (c == NULL) { |
| return; |
| } |
| |
| DH_free(c->dh_tmp); |
| |
| ssl_cert_clear_certs(c); |
| OPENSSL_free(c->peer_sigalgs); |
| OPENSSL_free(c->shared_sigalgs); |
| |
| OPENSSL_free(c); |
| } |
| |
| int ssl_cert_set0_chain(CERT *cert, STACK_OF(X509) *chain) { |
| sk_X509_pop_free(cert->chain, X509_free); |
| cert->chain = chain; |
| return 1; |
| } |
| |
| int ssl_cert_set1_chain(CERT *cert, STACK_OF(X509) *chain) { |
| STACK_OF(X509) *dchain; |
| if (chain == NULL) { |
| return ssl_cert_set0_chain(cert, NULL); |
| } |
| |
| dchain = X509_chain_up_ref(chain); |
| if (dchain == NULL) { |
| return 0; |
| } |
| |
| if (!ssl_cert_set0_chain(cert, dchain)) { |
| sk_X509_pop_free(dchain, X509_free); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| int ssl_cert_add0_chain_cert(CERT *cert, X509 *x509) { |
| if (cert->chain == NULL) { |
| cert->chain = sk_X509_new_null(); |
| } |
| if (cert->chain == NULL || !sk_X509_push(cert->chain, x509)) { |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| int ssl_cert_add1_chain_cert(CERT *cert, X509 *x509) { |
| if (!ssl_cert_add0_chain_cert(cert, x509)) { |
| return 0; |
| } |
| |
| X509_up_ref(x509); |
| return 1; |
| } |
| |
| 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, ERR_R_MALLOC_FAILURE); |
| return NULL; |
| } |
| |
| memset(ret, 0, sizeof *ret); |
| |
| return ret; |
| } |
| |
| SESS_CERT *ssl_sess_cert_dup(const SESS_CERT *sess_cert) { |
| SESS_CERT *ret = ssl_sess_cert_new(); |
| if (ret == NULL) { |
| return NULL; |
| } |
| |
| if (sess_cert->cert_chain != NULL) { |
| ret->cert_chain = X509_chain_up_ref(sess_cert->cert_chain); |
| if (ret->cert_chain == NULL) { |
| ssl_sess_cert_free(ret); |
| return NULL; |
| } |
| } |
| if (sess_cert->peer_cert != NULL) { |
| ret->peer_cert = X509_up_ref(sess_cert->peer_cert); |
| } |
| if (sess_cert->peer_dh_tmp != NULL) { |
| ret->peer_dh_tmp = sess_cert->peer_dh_tmp; |
| DH_up_ref(ret->peer_dh_tmp); |
| } |
| if (sess_cert->peer_ecdh_tmp != NULL) { |
| ret->peer_ecdh_tmp = sess_cert->peer_ecdh_tmp; |
| EC_KEY_up_ref(ret->peer_ecdh_tmp); |
| } |
| return ret; |
| } |
| |
| void ssl_sess_cert_free(SESS_CERT *sess_cert) { |
| if (sess_cert == NULL) { |
| return; |
| } |
| |
| sk_X509_pop_free(sess_cert->cert_chain, X509_free); |
| X509_free(sess_cert->peer_cert); |
| DH_free(sess_cert->peer_dh_tmp); |
| EC_KEY_free(sess_cert->peer_ecdh_tmp); |
| |
| OPENSSL_free(sess_cert); |
| } |
| |
| 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)) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_X509_LIB); |
| return 0; |
| } |
| 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) { |
| i = s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); |
| } else { |
| i = X509_verify_cert(&ctx); |
| } |
| |
| 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) { |
| 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) { |
| size_t 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->server) { |
| if (s->client_CA != NULL) { |
| return s->client_CA; |
| } else { |
| return s->ctx->client_CA; |
| } |
| } else { |
| if ((s->version >> 8) == SSL3_VERSION_MAJOR && s->s3 != NULL) { |
| return s->s3->tmp.ca_names; |
| } else { |
| return NULL; |
| } |
| } |
| } |
| |
| 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(); |
| if (*sk == NULL) { |
| return 0; |
| } |
| } |
| |
| name = X509_NAME_dup(X509_get_subject_name(x)); |
| if (name == 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); |
| } |
| |
| /* 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, 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, ERR_R_MALLOC_FAILURE); |
| goto err; |
| } |
| } |
| xn = X509_get_subject_name(x); |
| if (xn == 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: |
| sk_X509_NAME_pop_free(ret, X509_NAME_free); |
| ret = NULL; |
| } |
| |
| sk_X509_NAME_free(sk); |
| BIO_free(in); |
| X509_free(x); |
| if (ret != NULL) { |
| ERR_clear_error(); |
| } |
| return ret; |
| } |
| |
| /* 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, 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; |
| } |
| xn = X509_get_subject_name(x); |
| if (xn == 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; |
| } |
| |
| BIO_free(in); |
| 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; |
| |
| /* 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_R_PATH_TOO_LONG); |
| goto err; |
| } |
| |
| r = BIO_snprintf(buf, sizeof buf, "%s/%s", dir, filename); |
| if (r <= 0 || r >= (int)sizeof(buf) || |
| !SSL_add_file_cert_subjects_to_stack(stack, buf)) { |
| goto err; |
| } |
| } |
| |
| if (errno) { |
| OPENSSL_PUT_ERROR(SSL, 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); |
| } |
| 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; |
| uint8_t *p; |
| |
| n = i2d_X509(x, NULL); |
| if (!BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| return 0; |
| } |
| p = (uint8_t *)&(buf->data[*l]); |
| l2n3(n, p); |
| i2d_X509(x, &p); |
| *l += n + 3; |
| |
| return 1; |
| } |
| |
| /* Add certificate chain to internal SSL BUF_MEM structure. */ |
| int ssl_add_cert_chain(SSL *ssl, unsigned long *l) { |
| CERT *cert = ssl->cert; |
| BUF_MEM *buf = ssl->init_buf; |
| int no_chain = 0; |
| size_t i; |
| |
| X509 *x = cert->x509; |
| STACK_OF(X509) *chain = cert->chain; |
| |
| if (x == NULL) { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CERTIFICATE_SET); |
| return 0; |
| } |
| |
| if ((ssl->mode & SSL_MODE_NO_AUTO_CHAIN) || chain != NULL) { |
| no_chain = 1; |
| } |
| |
| if (no_chain) { |
| if (!ssl_add_cert_to_buf(buf, l, x)) { |
| return 0; |
| } |
| |
| for (i = 0; i < sk_X509_num(chain); i++) { |
| x = sk_X509_value(chain, i); |
| if (!ssl_add_cert_to_buf(buf, l, x)) { |
| return 0; |
| } |
| } |
| } else { |
| X509_STORE_CTX xs_ctx; |
| |
| if (!X509_STORE_CTX_init(&xs_ctx, ssl->ctx->cert_store, x, NULL)) { |
| OPENSSL_PUT_ERROR(SSL, 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); |
| } |
| |
| return 1; |
| } |
| |
| int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) { |
| return ssl_cert_set0_chain(ctx->cert, chain); |
| } |
| |
| int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain) { |
| return ssl_cert_set1_chain(ctx->cert, chain); |
| } |
| |
| int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain) { |
| return ssl_cert_set0_chain(ssl->cert, chain); |
| } |
| |
| int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain) { |
| return ssl_cert_set1_chain(ssl->cert, chain); |
| } |
| |
| int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509) { |
| return ssl_cert_add0_chain_cert(ctx->cert, x509); |
| } |
| |
| int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509) { |
| return ssl_cert_add1_chain_cert(ctx->cert, x509); |
| } |
| |
| int SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509) { |
| return SSL_CTX_add0_chain_cert(ctx, x509); |
| } |
| |
| int SSL_add0_chain_cert(SSL *ssl, X509 *x509) { |
| return ssl_cert_add0_chain_cert(ssl->cert, x509); |
| } |
| |
| int SSL_add1_chain_cert(SSL *ssl, X509 *x509) { |
| return ssl_cert_add1_chain_cert(ssl->cert, x509); |
| } |
| |
| int SSL_CTX_clear_chain_certs(SSL_CTX *ctx) { |
| return SSL_CTX_set0_chain(ctx, NULL); |
| } |
| |
| int SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx) { |
| return SSL_CTX_clear_chain_certs(ctx); |
| } |
| |
| int SSL_clear_chain_certs(SSL *ssl) { |
| return SSL_set0_chain(ssl, NULL); |
| } |
| |
| int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain) { |
| *out_chain = ctx->cert->chain; |
| return 1; |
| } |
| |
| int SSL_CTX_get_extra_chain_certs(const SSL_CTX *ctx, |
| STACK_OF(X509) **out_chain) { |
| return SSL_CTX_get0_chain_certs(ctx, out_chain); |
| } |
| |
| int SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain) { |
| *out_chain = ssl->cert->chain; |
| return 1; |
| } |