1/* v3_info.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#include <stdio.h>
61#include <string.h>
62
63#include <openssl/asn1.h>
64#include <openssl/asn1t.h>
65#include <openssl/buf.h>
66#include <openssl/conf.h>
67#include <openssl/err.h>
68#include <openssl/mem.h>
69#include <openssl/obj.h>
70#include <openssl/x509v3.h>
71
72static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
73                                                       *method, AUTHORITY_INFO_ACCESS
74                                                       *ainfo, STACK_OF(CONF_VALUE)
75                                                       *ret);
76static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
77                                                        *method,
78                                                        X509V3_CTX *ctx,
79                                                        STACK_OF(CONF_VALUE)
80                                                        *nval);
81
82const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
83    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
84    0, 0, 0, 0,
85    0, 0,
86    (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
87    (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
88    0, 0,
89    NULL
90};
91
92const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
93    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
94    0, 0, 0, 0,
95    0, 0,
96    (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
97    (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
98    0, 0,
99    NULL
100};
101
102ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
103        ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
104        ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
105} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
106
107IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
108
109ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
110        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
111ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
112
113IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
114
115static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
116                                                       *method, AUTHORITY_INFO_ACCESS
117                                                       *ainfo, STACK_OF(CONF_VALUE)
118                                                       *ret)
119{
120    ACCESS_DESCRIPTION *desc;
121    size_t i;
122    int nlen;
123    char objtmp[80], *ntmp;
124    CONF_VALUE *vtmp;
125    for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
126        desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
127        ret = i2v_GENERAL_NAME(method, desc->location, ret);
128        if (!ret)
129            break;
130        vtmp = sk_CONF_VALUE_value(ret, i);
131        i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
132        nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
133        ntmp = OPENSSL_malloc(nlen);
134        if (!ntmp) {
135            OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
136            return NULL;
137        }
138        BUF_strlcpy(ntmp, objtmp, nlen);
139        BUF_strlcat(ntmp, " - ", nlen);
140        BUF_strlcat(ntmp, vtmp->name, nlen);
141        OPENSSL_free(vtmp->name);
142        vtmp->name = ntmp;
143
144    }
145    if (!ret)
146        return sk_CONF_VALUE_new_null();
147    return ret;
148}
149
150static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
151                                                        *method,
152                                                        X509V3_CTX *ctx,
153                                                        STACK_OF(CONF_VALUE)
154                                                        *nval)
155{
156    AUTHORITY_INFO_ACCESS *ainfo = NULL;
157    CONF_VALUE *cnf, ctmp;
158    ACCESS_DESCRIPTION *acc;
159    size_t i;
160    int objlen;
161    char *objtmp, *ptmp;
162    if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
163        OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
164        return NULL;
165    }
166    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
167        cnf = sk_CONF_VALUE_value(nval, i);
168        if (!(acc = ACCESS_DESCRIPTION_new())
169            || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
170            OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
171            goto err;
172        }
173        ptmp = strchr(cnf->name, ';');
174        if (!ptmp) {
175            OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
176            goto err;
177        }
178        objlen = ptmp - cnf->name;
179        ctmp.name = ptmp + 1;
180        ctmp.value = cnf->value;
181        if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
182            goto err;
183        if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
184            OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
185            goto err;
186        }
187        strncpy(objtmp, cnf->name, objlen);
188        objtmp[objlen] = 0;
189        acc->method = OBJ_txt2obj(objtmp, 0);
190        if (!acc->method) {
191            OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
192            ERR_add_error_data(2, "value=", objtmp);
193            OPENSSL_free(objtmp);
194            goto err;
195        }
196        OPENSSL_free(objtmp);
197
198    }
199    return ainfo;
200 err:
201    sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
202    return NULL;
203}
204
205int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
206{
207    i2a_ASN1_OBJECT(bp, a->method);
208#ifdef UNDEF
209    i2a_GENERAL_NAME(bp, a->location);
210#endif
211    return 2;
212}
213