1/* v3_crld.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 *    software must display the following acknowledgment:
22 *    "This product includes software developed by the OpenSSL Project
23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 *    endorse or promote products derived from this software without
27 *    prior written permission. For written permission, please contact
28 *    licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 *    nor may "OpenSSL" appear in their names without prior written
32 *    permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/conf.h>
62#include <openssl/asn1.h>
63#include <openssl/asn1t.h>
64#include <openssl/x509v3.h>
65
66static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
67		STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *extlist);
68static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
69				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
70
71X509V3_EXT_METHOD v3_crld = {
72NID_crl_distribution_points, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(CRL_DIST_POINTS),
730,0,0,0,
740,0,
75(X509V3_EXT_I2V)i2v_crld,
76(X509V3_EXT_V2I)v2i_crld,
770,0,
78NULL
79};
80
81static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
82			STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
83{
84	DIST_POINT *point;
85	int i;
86	for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
87		point = sk_DIST_POINT_value(crld, i);
88		if(point->distpoint) {
89			if(point->distpoint->type == 0)
90				exts = i2v_GENERAL_NAMES(NULL,
91					 point->distpoint->name.fullname, exts);
92		        else X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
93		}
94		if(point->reasons)
95			X509V3_add_value("reasons","<UNSUPPORTED>", &exts);
96		if(point->CRLissuer)
97			X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);
98	}
99	return exts;
100}
101
102static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
103				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
104{
105	STACK_OF(DIST_POINT) *crld = NULL;
106	GENERAL_NAMES *gens = NULL;
107	GENERAL_NAME *gen = NULL;
108	CONF_VALUE *cnf;
109	int i;
110	if(!(crld = sk_DIST_POINT_new_null())) goto merr;
111	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
112		DIST_POINT *point;
113		cnf = sk_CONF_VALUE_value(nval, i);
114		if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
115		if(!(gens = GENERAL_NAMES_new())) goto merr;
116		if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
117		gen = NULL;
118		if(!(point = DIST_POINT_new())) goto merr;
119		if(!sk_DIST_POINT_push(crld, point)) {
120			DIST_POINT_free(point);
121			goto merr;
122		}
123		if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
124		point->distpoint->name.fullname = gens;
125		point->distpoint->type = 0;
126		gens = NULL;
127	}
128	return crld;
129
130	merr:
131	X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
132	err:
133	GENERAL_NAME_free(gen);
134	GENERAL_NAMES_free(gens);
135	sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
136	return NULL;
137}
138
139IMPLEMENT_STACK_OF(DIST_POINT)
140IMPLEMENT_ASN1_SET_OF(DIST_POINT)
141
142
143ASN1_CHOICE(DIST_POINT_NAME) = {
144	ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
145	ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
146} ASN1_CHOICE_END(DIST_POINT_NAME)
147
148IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
149
150ASN1_SEQUENCE(DIST_POINT) = {
151	ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
152	ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
153	ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
154} ASN1_SEQUENCE_END(DIST_POINT)
155
156IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
157
158ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
159	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
160ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
161
162IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
163