309 lines
8.6 KiB
C
309 lines
8.6 KiB
C
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/* $OpenBSD: x509_info.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/conf.h>
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#include <openssl/err.h>
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#include <openssl/x509v3.h>
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static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
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X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
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STACK_OF(CONF_VALUE) *ret);
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static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(
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X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
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const X509V3_EXT_METHOD v3_info = {
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.ext_nid = NID_info_access,
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.ext_flags = X509V3_EXT_MULTILINE,
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.it = &AUTHORITY_INFO_ACCESS_it,
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.ext_new = NULL,
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.ext_free = NULL,
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.d2i = NULL,
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.i2d = NULL,
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.i2s = NULL,
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.s2i = NULL,
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.i2v = (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
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.v2i = (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
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.i2r = NULL,
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.r2i = NULL,
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.usr_data = NULL,
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};
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const X509V3_EXT_METHOD v3_sinfo = {
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.ext_nid = NID_sinfo_access,
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.ext_flags = X509V3_EXT_MULTILINE,
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.it = &AUTHORITY_INFO_ACCESS_it,
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.ext_new = NULL,
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.ext_free = NULL,
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.d2i = NULL,
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.i2d = NULL,
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.i2s = NULL,
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.s2i = NULL,
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.i2v = (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
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.v2i = (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
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.i2r = NULL,
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.r2i = NULL,
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.usr_data = NULL,
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};
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static const ASN1_TEMPLATE ACCESS_DESCRIPTION_seq_tt[] = {
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(ACCESS_DESCRIPTION, method),
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.field_name = "method",
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.item = &ASN1_OBJECT_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(ACCESS_DESCRIPTION, location),
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.field_name = "location",
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.item = &GENERAL_NAME_it,
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},
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};
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const ASN1_ITEM ACCESS_DESCRIPTION_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = ACCESS_DESCRIPTION_seq_tt,
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.tcount = sizeof(ACCESS_DESCRIPTION_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = NULL,
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.size = sizeof(ACCESS_DESCRIPTION),
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.sname = "ACCESS_DESCRIPTION",
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};
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ACCESS_DESCRIPTION *
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d2i_ACCESS_DESCRIPTION(ACCESS_DESCRIPTION **a, const unsigned char **in, long len)
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{
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return (ACCESS_DESCRIPTION *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&ACCESS_DESCRIPTION_it);
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}
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int
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i2d_ACCESS_DESCRIPTION(ACCESS_DESCRIPTION *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &ACCESS_DESCRIPTION_it);
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}
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ACCESS_DESCRIPTION *
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ACCESS_DESCRIPTION_new(void)
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{
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return (ACCESS_DESCRIPTION *)ASN1_item_new(&ACCESS_DESCRIPTION_it);
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}
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void
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ACCESS_DESCRIPTION_free(ACCESS_DESCRIPTION *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &ACCESS_DESCRIPTION_it);
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}
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static const ASN1_TEMPLATE AUTHORITY_INFO_ACCESS_item_tt = {
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.flags = ASN1_TFLG_SEQUENCE_OF,
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.tag = 0,
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.offset = 0,
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.field_name = "GeneralNames",
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.item = &ACCESS_DESCRIPTION_it,
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};
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const ASN1_ITEM AUTHORITY_INFO_ACCESS_it = {
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.itype = ASN1_ITYPE_PRIMITIVE,
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.utype = -1,
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.templates = &AUTHORITY_INFO_ACCESS_item_tt,
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.tcount = 0,
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.funcs = NULL,
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.size = 0,
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.sname = "AUTHORITY_INFO_ACCESS",
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};
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AUTHORITY_INFO_ACCESS *
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d2i_AUTHORITY_INFO_ACCESS(AUTHORITY_INFO_ACCESS **a, const unsigned char **in, long len)
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{
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return (AUTHORITY_INFO_ACCESS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&AUTHORITY_INFO_ACCESS_it);
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}
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int
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i2d_AUTHORITY_INFO_ACCESS(AUTHORITY_INFO_ACCESS *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &AUTHORITY_INFO_ACCESS_it);
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}
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AUTHORITY_INFO_ACCESS *
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AUTHORITY_INFO_ACCESS_new(void)
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{
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return (AUTHORITY_INFO_ACCESS *)ASN1_item_new(&AUTHORITY_INFO_ACCESS_it);
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}
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void
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AUTHORITY_INFO_ACCESS_free(AUTHORITY_INFO_ACCESS *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &AUTHORITY_INFO_ACCESS_it);
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}
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static STACK_OF(CONF_VALUE) *
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i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
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AUTHORITY_INFO_ACCESS *ainfo, STACK_OF(CONF_VALUE) *ret)
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{
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ACCESS_DESCRIPTION *desc;
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CONF_VALUE *vtmp;
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STACK_OF(CONF_VALUE) *free_ret = NULL;
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char objtmp[80], *ntmp;
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int i;
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if (ret == NULL) {
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if ((free_ret = ret = sk_CONF_VALUE_new_null()) == NULL)
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return NULL;
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}
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for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
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if ((desc = sk_ACCESS_DESCRIPTION_value(ainfo, i)) == NULL)
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goto err;
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if ((ret = i2v_GENERAL_NAME(method, desc->location,
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ret)) == NULL)
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goto err;
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if ((vtmp = sk_CONF_VALUE_value(ret, i)) == NULL)
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goto err;
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if (!i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method))
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goto err;
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if (asprintf(&ntmp, "%s - %s", objtmp, vtmp->name) == -1) {
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ntmp = NULL;
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X509V3error(ERR_R_MALLOC_FAILURE);
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goto err;
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}
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free(vtmp->name);
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vtmp->name = ntmp;
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}
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return ret;
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err:
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sk_CONF_VALUE_pop_free(free_ret, X509V3_conf_free);
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return NULL;
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}
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static AUTHORITY_INFO_ACCESS *
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v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
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STACK_OF(CONF_VALUE) *nval)
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{
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AUTHORITY_INFO_ACCESS *ainfo = NULL;
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CONF_VALUE *cnf, ctmp;
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ACCESS_DESCRIPTION *acc;
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int i, objlen;
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char *objtmp, *ptmp;
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if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
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X509V3error(ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
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cnf = sk_CONF_VALUE_value(nval, i);
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if ((acc = ACCESS_DESCRIPTION_new()) == NULL) {
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X509V3error(ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (sk_ACCESS_DESCRIPTION_push(ainfo, acc) == 0) {
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ACCESS_DESCRIPTION_free(acc);
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X509V3error(ERR_R_MALLOC_FAILURE);
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goto err;
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}
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ptmp = strchr(cnf->name, ';');
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if (!ptmp) {
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X509V3error(X509V3_R_INVALID_SYNTAX);
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goto err;
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}
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objlen = ptmp - cnf->name;
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ctmp.name = ptmp + 1;
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ctmp.value = cnf->value;
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if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
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goto err;
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if (!(objtmp = malloc(objlen + 1))) {
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X509V3error(ERR_R_MALLOC_FAILURE);
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goto err;
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}
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strlcpy(objtmp, cnf->name, objlen + 1);
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acc->method = OBJ_txt2obj(objtmp, 0);
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if (!acc->method) {
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X509V3error(X509V3_R_BAD_OBJECT);
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ERR_asprintf_error_data("value=%s", objtmp);
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free(objtmp);
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goto err;
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}
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free(objtmp);
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}
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return ainfo;
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err:
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sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
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return NULL;
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}
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int
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i2a_ACCESS_DESCRIPTION(BIO *bp, const ACCESS_DESCRIPTION* a)
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{
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i2a_ASN1_OBJECT(bp, a->method);
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return 2;
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}
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