/* * Written by Dr Stephen N Henson ([email protected]) for the OpenSSL project * 1999. */ /* ==================================================================== * Copyright (c) 1999-2002 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 * [email protected]. * * 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 * ([email protected]). This product includes software written by Tim * Hudson ([email protected]). */ // extension creation utilities #include <ctype.h> #include <limits.h> #include <stdio.h> #include <string.h> #include <openssl/conf.h> #include <openssl/err.h> #include <openssl/mem.h> #include <openssl/obj.h> #include <openssl/x509.h> #include "../internal.h" #include "internal.h" static int v3_check_critical(const char **value); static int v3_check_generic(const char **value); static X509_EXTENSION *do_ext_nconf(const CONF *conf, const X509V3_CTX *ctx, int ext_nid, int crit, const char *value); static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value, int crit, int type, const X509V3_CTX *ctx); static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid, int crit, void *ext_struc); static unsigned char *generic_asn1(const char *value, const X509V3_CTX *ctx, size_t *ext_len); X509_EXTENSION *X509V3_EXT_nconf(const CONF *conf, const X509V3_CTX *ctx, const char *name, const char *value) { … } X509_EXTENSION *X509V3_EXT_nconf_nid(const CONF *conf, const X509V3_CTX *ctx, int ext_nid, const char *value) { … } // CONF *conf: Config file // char *value: Value static X509_EXTENSION *do_ext_nconf(const CONF *conf, const X509V3_CTX *ctx, int ext_nid, int crit, const char *value) { … } static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid, int crit, void *ext_struc) { … } // Given an internal structure, nid and critical flag create an extension X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc) { … } // Check the extension string for critical flag static int v3_check_critical(const char **value) { … } // Check extension string for generic extension and return the type static int v3_check_generic(const char **value) { … } // Create a generic extension: for now just handle DER type static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value, int crit, int gen_type, const X509V3_CTX *ctx) { … } static unsigned char *generic_asn1(const char *value, const X509V3_CTX *ctx, size_t *ext_len) { … } // This is the main function: add a bunch of extensions based on a config // file section to an extension STACK. int X509V3_EXT_add_nconf_sk(const CONF *conf, const X509V3_CTX *ctx, const char *section, STACK_OF(X509_EXTENSION) **sk) { … } // Convenience functions to add extensions to a certificate, CRL and request int X509V3_EXT_add_nconf(const CONF *conf, const X509V3_CTX *ctx, const char *section, X509 *cert) { … } // Same as above but for a CRL int X509V3_EXT_CRL_add_nconf(const CONF *conf, const X509V3_CTX *ctx, const char *section, X509_CRL *crl) { … } // Add extensions to certificate request int X509V3_EXT_REQ_add_nconf(const CONF *conf, const X509V3_CTX *ctx, const char *section, X509_REQ *req) { … } // Config database functions const STACK_OF(CONF_VALUE) *X509V3_get_section(const X509V3_CTX *ctx, const char *section) { … } void X509V3_set_nconf(X509V3_CTX *ctx, const CONF *conf) { … } void X509V3_set_ctx(X509V3_CTX *ctx, const X509 *issuer, const X509 *subj, const X509_REQ *req, const X509_CRL *crl, int flags) { … }
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