v3_info.c revision 325335 
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 "cryptlib.h"
62#include <openssl/conf.h>
63#include <openssl/asn1.h>
64#include <openssl/asn1t.h>
65#include <openssl/x509v3.h>
66
67static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
68                                                       *method, AUTHORITY_INFO_ACCESS
69                                                       *ainfo, STACK_OF(CONF_VALUE)
70                                                       *ret);
71static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
72                                                        *method,
73                                                        X509V3_CTX *ctx,
74                                                        STACK_OF(CONF_VALUE)
75                                                        *nval);
76
77const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
78    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
79    0, 0, 0, 0,
80    0, 0,
81    (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
82    (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
83    0, 0,
84    NULL
85};
86
87const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
88    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
89    0, 0, 0, 0,
90    0, 0,
91    (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
92    (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
93    0, 0,
94    NULL
95};
96
97ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
98        ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
99        ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
100} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
101
102IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
103
104ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
105        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
106ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
107
108IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
109
110static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
111    X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
112    STACK_OF(CONF_VALUE) *ret)
113{
114    ACCESS_DESCRIPTION *desc;
115    int i, nlen;
116    char objtmp[80], *ntmp;
117    CONF_VALUE *vtmp;
118    STACK_OF(CONF_VALUE) *tret = ret;
119
120    for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
121        STACK_OF(CONF_VALUE) *tmp;
122
123        desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
124        tmp = i2v_GENERAL_NAME(method, desc->location, tret);
125        if (tmp == NULL)
126            goto err;
127        tret = tmp;
128        vtmp = sk_CONF_VALUE_value(tret, i);
129        i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
130        nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
131        ntmp = OPENSSL_malloc(nlen);
132        if (ntmp == NULL)
133            goto err;
134        BUF_strlcpy(ntmp, objtmp, nlen);
135        BUF_strlcat(ntmp, " - ", nlen);
136        BUF_strlcat(ntmp, vtmp->name, nlen);
137        OPENSSL_free(vtmp->name);
138        vtmp->name = ntmp;
139
140    }
141    if (ret == NULL && tret == NULL)
142        return sk_CONF_VALUE_new_null();
143
144    return tret;
145 err:
146    X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
147    if (ret == NULL && tret != NULL)
148        sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
149    return NULL;
150}
151
152static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
153                                                        *method,
154                                                        X509V3_CTX *ctx,
155                                                        STACK_OF(CONF_VALUE)
156                                                        *nval)
157{
158    AUTHORITY_INFO_ACCESS *ainfo = NULL;
159    CONF_VALUE *cnf, ctmp;
160    ACCESS_DESCRIPTION *acc;
161    int i, objlen;
162    char *objtmp, *ptmp;
163    if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
164        X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
165        return NULL;
166    }
167    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
168        cnf = sk_CONF_VALUE_value(nval, i);
169        if (!(acc = ACCESS_DESCRIPTION_new())
170            || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
171            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
172                      ERR_R_MALLOC_FAILURE);
173            goto err;
174        }
175        ptmp = strchr(cnf->name, ';');
176        if (!ptmp) {
177            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
178                      X509V3_R_INVALID_SYNTAX);
179            goto err;
180        }
181        objlen = ptmp - cnf->name;
182        ctmp.name = ptmp + 1;
183        ctmp.value = cnf->value;
184        if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
185            goto err;
186        if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
187            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
188                      ERR_R_MALLOC_FAILURE);
189            goto err;
190        }
191        strncpy(objtmp, cnf->name, objlen);
192        objtmp[objlen] = 0;
193        acc->method = OBJ_txt2obj(objtmp, 0);
194        if (!acc->method) {
195            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
196                      X509V3_R_BAD_OBJECT);
197            ERR_add_error_data(2, "value=", objtmp);
198            OPENSSL_free(objtmp);
199            goto err;
200        }
201        OPENSSL_free(objtmp);
202
203    }
204    return ainfo;
205 err:
206    sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
207    return NULL;
208}
209
210int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
211{
212    i2a_ASN1_OBJECT(bp, a->method);
213#ifdef UNDEF
214    i2a_GENERAL_NAME(bp, a->location);
215#endif
216    return 2;
217}
218