v3_info.c revision 296465 
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(X509V3_EXT_METHOD
111                                                       *method, AUTHORITY_INFO_ACCESS
112                                                       *ainfo, STACK_OF(CONF_VALUE)
113                                                       *ret)
114{
115    ACCESS_DESCRIPTION *desc;
116    int i, nlen;
117    char objtmp[80], *ntmp;
118    CONF_VALUE *vtmp;
119    for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
120        desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
121        ret = i2v_GENERAL_NAME(method, desc->location, ret);
122        if (!ret)
123            break;
124        vtmp = sk_CONF_VALUE_value(ret, i);
125        i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
126        nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
127        ntmp = OPENSSL_malloc(nlen);
128        if (!ntmp) {
129            X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS,
130                      ERR_R_MALLOC_FAILURE);
131            return NULL;
132        }
133        BUF_strlcpy(ntmp, objtmp, nlen);
134        BUF_strlcat(ntmp, " - ", nlen);
135        BUF_strlcat(ntmp, vtmp->name, nlen);
136        OPENSSL_free(vtmp->name);
137        vtmp->name = ntmp;
138
139    }
140    if (!ret)
141        return sk_CONF_VALUE_new_null();
142    return ret;
143}
144
145static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
146                                                        *method,
147                                                        X509V3_CTX *ctx,
148                                                        STACK_OF(CONF_VALUE)
149                                                        *nval)
150{
151    AUTHORITY_INFO_ACCESS *ainfo = NULL;
152    CONF_VALUE *cnf, ctmp;
153    ACCESS_DESCRIPTION *acc;
154    int i, objlen;
155    char *objtmp, *ptmp;
156    if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
157        X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
158        return NULL;
159    }
160    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
161        cnf = sk_CONF_VALUE_value(nval, i);
162        if (!(acc = ACCESS_DESCRIPTION_new())
163            || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
164            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
165                      ERR_R_MALLOC_FAILURE);
166            goto err;
167        }
168        ptmp = strchr(cnf->name, ';');
169        if (!ptmp) {
170            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
171                      X509V3_R_INVALID_SYNTAX);
172            goto err;
173        }
174        objlen = ptmp - cnf->name;
175        ctmp.name = ptmp + 1;
176        ctmp.value = cnf->value;
177        if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
178            goto err;
179        if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
180            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
181                      ERR_R_MALLOC_FAILURE);
182            goto err;
183        }
184        strncpy(objtmp, cnf->name, objlen);
185        objtmp[objlen] = 0;
186        acc->method = OBJ_txt2obj(objtmp, 0);
187        if (!acc->method) {
188            X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
189                      X509V3_R_BAD_OBJECT);
190            ERR_add_error_data(2, "value=", objtmp);
191            OPENSSL_free(objtmp);
192            goto err;
193        }
194        OPENSSL_free(objtmp);
195
196    }
197    return ainfo;
198 err:
199    sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
200    return NULL;
201}
202
203int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
204{
205    i2a_ASN1_OBJECT(bp, a->method);
206#ifdef UNDEF
207    i2a_GENERAL_NAME(bp, a->location);
208#endif
209    return 2;
210}
211