1/* v3_info.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) 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 <string.h>
61
62#include <openssl/asn1.h>
63#include <openssl/asn1t.h>
64#include <openssl/buf.h>
65#include <openssl/conf.h>
66#include <openssl/err.h>
67#include <openssl/mem.h>
68#include <openssl/obj.h>
69#include <openssl/x509v3.h>
70
71
72static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
73				AUTHORITY_INFO_ACCESS *ainfo,
74						STACK_OF(CONF_VALUE) *ret);
75static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
76				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
77
78const X509V3_EXT_METHOD v3_info =
79{ NID_info_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
800,0,0,0,
810,0,
82(X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
83(X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
840,0,
85NULL};
86
87const X509V3_EXT_METHOD v3_sinfo =
88{ NID_sinfo_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
890,0,0,0,
900,0,
91(X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
92(X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
930,0,
94NULL};
95
96ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
97	ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
98	ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
99} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
100
101IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
102
103ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
104	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
105ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
106
107IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
108
109static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
110				AUTHORITY_INFO_ACCESS *ainfo,
111						STACK_OF(CONF_VALUE) *ret)
112{
113	ACCESS_DESCRIPTION *desc;
114	size_t i;
115	int nlen;
116	char objtmp[80], *ntmp;
117	CONF_VALUE *vtmp;
118	for(i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
119		desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
120		ret = i2v_GENERAL_NAME(method, desc->location, ret);
121		if(!ret) break;
122		vtmp = sk_CONF_VALUE_value(ret, i);
123		i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
124		nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
125		ntmp = OPENSSL_malloc(nlen);
126		if(!ntmp) {
127			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
128			return NULL;
129		}
130		BUF_strlcpy(ntmp, objtmp, nlen);
131		BUF_strlcat(ntmp, " - ", nlen);
132		BUF_strlcat(ntmp, vtmp->name, nlen);
133		OPENSSL_free(vtmp->name);
134		vtmp->name = ntmp;
135
136	}
137	if(!ret) return sk_CONF_VALUE_new_null();
138	return ret;
139}
140
141static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
142				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
143{
144	AUTHORITY_INFO_ACCESS *ainfo = NULL;
145	CONF_VALUE *cnf, ctmp;
146	ACCESS_DESCRIPTION *acc;
147	size_t i;
148	int objlen;
149	char *objtmp, *ptmp;
150	if(!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
151		OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
152		return NULL;
153	}
154	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
155		cnf = sk_CONF_VALUE_value(nval, i);
156		if(!(acc = ACCESS_DESCRIPTION_new())
157			|| !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
158			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
159			goto err;
160		}
161		ptmp = strchr(cnf->name, ';');
162		if(!ptmp) {
163			OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
164			goto err;
165		}
166		objlen = ptmp - cnf->name;
167		ctmp.name = ptmp + 1;
168		ctmp.value = cnf->value;
169		if(!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
170								 goto err;
171		if(!(objtmp = OPENSSL_malloc(objlen + 1))) {
172			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
173			goto err;
174		}
175		strncpy(objtmp, cnf->name, objlen);
176		objtmp[objlen] = 0;
177		acc->method = OBJ_txt2obj(objtmp, 0);
178		if(!acc->method) {
179			OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
180			ERR_add_error_data(2, "value=", objtmp);
181			OPENSSL_free(objtmp);
182			goto err;
183		}
184		OPENSSL_free(objtmp);
185
186	}
187	return ainfo;
188	err:
189	sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
190	return NULL;
191}
192
193int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a)
194        {
195	i2a_ASN1_OBJECT(bp, a->method);
196#ifdef UNDEF
197	i2a_GENERAL_NAME(bp, a->location);
198#endif
199	return 2;
200	}
201