| /* 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). |
| * |
| */ |
| |
| #include <openssl/ssl.h> |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| #include <openssl/asn1.h> |
| #include <openssl/bio.h> |
| #include <openssl/err.h> |
| #include <openssl/mem.h> |
| #include <openssl/pem.h> |
| #include <openssl/stack.h> |
| #include <openssl/x509.h> |
| |
| #include "internal.h" |
| |
| |
| static int xname_cmp(const X509_NAME **a, const X509_NAME **b) { |
| return X509_NAME_cmp(*a, *b); |
| } |
| |
| // TODO(davidben): Is there any reason this doesn't call |
| // |SSL_add_file_cert_subjects_to_stack|? |
| 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. |
| if (sk_X509_NAME_find(sk, NULL, xn)) { |
| continue; |
| } |
| |
| xn = X509_NAME_dup(xn); |
| if (xn == NULL || |
| !sk_X509_NAME_push(sk /* non-owning */, xn) || |
| !sk_X509_NAME_push(ret /* owning */, xn)) { |
| X509_NAME_free(xn); |
| goto err; |
| } |
| } |
| |
| 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; |
| } |
| |
| 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 = 0; |
| 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; |
| } |
| |
| // Check for duplicates. |
| if (sk_X509_NAME_find(stack, NULL, xn)) { |
| continue; |
| } |
| |
| xn = X509_NAME_dup(xn); |
| if (xn == NULL || |
| !sk_X509_NAME_push(stack, xn)) { |
| X509_NAME_free(xn); |
| goto err; |
| } |
| } |
| |
| ERR_clear_error(); |
| ret = 1; |
| |
| err: |
| BIO_free(in); |
| X509_free(x); |
| |
| (void) sk_X509_NAME_set_cmp_func(stack, oldcmp); |
| |
| return ret; |
| } |
| |
| int SSL_use_certificate_file(SSL *ssl, const char *file, int type) { |
| int reason_code; |
| BIO *in; |
| int ret = 0; |
| X509 *x = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| x = d2i_X509_bio(in, NULL); |
| } else if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback, |
| ssl->ctx->default_passwd_callback_userdata); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (x == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| |
| ret = SSL_use_certificate(ssl, x); |
| |
| end: |
| X509_free(x); |
| BIO_free(in); |
| |
| return ret; |
| } |
| |
| int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type) { |
| int reason_code, ret = 0; |
| BIO *in; |
| RSA *rsa = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| rsa = d2i_RSAPrivateKey_bio(in, NULL); |
| } else if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| rsa = |
| PEM_read_bio_RSAPrivateKey(in, NULL, ssl->ctx->default_passwd_callback, |
| ssl->ctx->default_passwd_callback_userdata); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (rsa == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| ret = SSL_use_RSAPrivateKey(ssl, rsa); |
| RSA_free(rsa); |
| |
| end: |
| BIO_free(in); |
| return ret; |
| } |
| |
| int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type) { |
| int reason_code, ret = 0; |
| BIO *in; |
| EVP_PKEY *pkey = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| pkey = PEM_read_bio_PrivateKey(in, NULL, ssl->ctx->default_passwd_callback, |
| ssl->ctx->default_passwd_callback_userdata); |
| } else if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| pkey = d2i_PrivateKey_bio(in, NULL); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (pkey == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| ret = SSL_use_PrivateKey(ssl, pkey); |
| EVP_PKEY_free(pkey); |
| |
| end: |
| BIO_free(in); |
| return ret; |
| } |
| |
| int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type) { |
| int reason_code; |
| BIO *in; |
| int ret = 0; |
| X509 *x = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| x = d2i_X509_bio(in, NULL); |
| } else if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback, |
| ctx->default_passwd_callback_userdata); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (x == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| |
| ret = SSL_CTX_use_certificate(ctx, x); |
| |
| end: |
| X509_free(x); |
| BIO_free(in); |
| return ret; |
| } |
| |
| int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type) { |
| int reason_code, ret = 0; |
| BIO *in; |
| RSA *rsa = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| rsa = d2i_RSAPrivateKey_bio(in, NULL); |
| } else if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| rsa = PEM_read_bio_RSAPrivateKey(in, NULL, ctx->default_passwd_callback, |
| ctx->default_passwd_callback_userdata); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (rsa == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa); |
| RSA_free(rsa); |
| |
| end: |
| BIO_free(in); |
| return ret; |
| } |
| |
| int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type) { |
| int reason_code, ret = 0; |
| BIO *in; |
| EVP_PKEY *pkey = NULL; |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| if (type == SSL_FILETYPE_PEM) { |
| reason_code = ERR_R_PEM_LIB; |
| pkey = PEM_read_bio_PrivateKey(in, NULL, ctx->default_passwd_callback, |
| ctx->default_passwd_callback_userdata); |
| } else if (type == SSL_FILETYPE_ASN1) { |
| reason_code = ERR_R_ASN1_LIB; |
| pkey = d2i_PrivateKey_bio(in, NULL); |
| } else { |
| OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_SSL_FILETYPE); |
| goto end; |
| } |
| |
| if (pkey == NULL) { |
| OPENSSL_PUT_ERROR(SSL, reason_code); |
| goto end; |
| } |
| ret = SSL_CTX_use_PrivateKey(ctx, pkey); |
| EVP_PKEY_free(pkey); |
| |
| end: |
| BIO_free(in); |
| return ret; |
| } |
| |
| // Read a file that contains our certificate in "PEM" format, possibly followed |
| // by a sequence of CA certificates that should be sent to the peer in the |
| // Certificate message. |
| int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file) { |
| BIO *in; |
| int ret = 0; |
| X509 *x = NULL; |
| |
| ERR_clear_error(); // clear error stack for SSL_CTX_use_certificate() |
| |
| in = BIO_new(BIO_s_file()); |
| if (in == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
| goto end; |
| } |
| |
| if (BIO_read_filename(in, file) <= 0) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB); |
| goto end; |
| } |
| |
| x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback, |
| ctx->default_passwd_callback_userdata); |
| if (x == NULL) { |
| OPENSSL_PUT_ERROR(SSL, ERR_R_PEM_LIB); |
| goto end; |
| } |
| |
| ret = SSL_CTX_use_certificate(ctx, x); |
| |
| if (ERR_peek_error() != 0) { |
| ret = 0; // Key/certificate mismatch doesn't imply ret==0 ... |
| } |
| |
| if (ret) { |
| // If we could set up our certificate, now proceed to the CA |
| // certificates. |
| X509 *ca; |
| int r; |
| uint32_t err; |
| |
| SSL_CTX_clear_chain_certs(ctx); |
| |
| while ((ca = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback, |
| ctx->default_passwd_callback_userdata)) != |
| NULL) { |
| r = SSL_CTX_add0_chain_cert(ctx, ca); |
| if (!r) { |
| X509_free(ca); |
| ret = 0; |
| goto end; |
| } |
| // Note that we must not free r if it was successfully added to the chain |
| // (while we must free the main certificate, since its reference count is |
| // increased by SSL_CTX_use_certificate). |
| } |
| |
| // When the while loop ends, it's usually just EOF. |
| err = ERR_peek_last_error(); |
| if (ERR_GET_LIB(err) == ERR_LIB_PEM && |
| ERR_GET_REASON(err) == PEM_R_NO_START_LINE) { |
| ERR_clear_error(); |
| } else { |
| ret = 0; // some real error |
| } |
| } |
| |
| end: |
| X509_free(x); |
| BIO_free(in); |
| return ret; |
| } |
| |
| void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) { |
| ctx->default_passwd_callback = cb; |
| } |
| |
| void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *data) { |
| ctx->default_passwd_callback_userdata = data; |
| } |