1 /*
2 * Written by Dr Stephen N Henson ([email protected]) for the OpenSSL project
3 * 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 * [email protected].
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 * ([email protected]). This product includes software written by Tim
55 * Hudson ([email protected]).
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/conf.h>
65 #include <openssl/err.h>
66 #include <openssl/mem.h>
67 #include <openssl/obj.h>
68 #include <openssl/x509.h>
69
70 #include "internal.h"
71
72
73 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
74 const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret);
75 static void *v2i_AUTHORITY_INFO_ACCESS(const X509V3_EXT_METHOD *method,
76 const X509V3_CTX *ctx,
77 const STACK_OF(CONF_VALUE) *nval);
78
79 const X509V3_EXT_METHOD v3_info = {
80 NID_info_access,
81 X509V3_EXT_MULTILINE,
82 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
83 0,
84 0,
85 0,
86 0,
87 0,
88 0,
89 i2v_AUTHORITY_INFO_ACCESS,
90 v2i_AUTHORITY_INFO_ACCESS,
91 0,
92 0,
93 NULL,
94 };
95
96 const X509V3_EXT_METHOD v3_sinfo = {
97 NID_sinfo_access,
98 X509V3_EXT_MULTILINE,
99 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
100 0,
101 0,
102 0,
103 0,
104 0,
105 0,
106 i2v_AUTHORITY_INFO_ACCESS,
107 v2i_AUTHORITY_INFO_ACCESS,
108 0,
109 0,
110 NULL,
111 };
112
113 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
114 ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
115 ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME),
116 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
117
118 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(ACCESS_DESCRIPTION)
119
120 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) = ASN1_EX_TEMPLATE_TYPE(
121 ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
122 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
123
124 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
125
126 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
127 const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret) {
128 const AUTHORITY_INFO_ACCESS *ainfo = ext;
129 ACCESS_DESCRIPTION *desc;
130 int nlen;
131 char objtmp[80], *ntmp;
132 CONF_VALUE *vtmp;
133 STACK_OF(CONF_VALUE) *tret = ret;
134
135 for (size_t i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
136 STACK_OF(CONF_VALUE) *tmp;
137
138 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
139 tmp = i2v_GENERAL_NAME(method, desc->location, tret);
140 if (tmp == NULL) {
141 goto err;
142 }
143 tret = tmp;
144 vtmp = sk_CONF_VALUE_value(tret, i);
145 i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
146 nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
147 ntmp = OPENSSL_malloc(nlen);
148 if (ntmp == NULL) {
149 goto err;
150 }
151 OPENSSL_strlcpy(ntmp, objtmp, nlen);
152 OPENSSL_strlcat(ntmp, " - ", nlen);
153 OPENSSL_strlcat(ntmp, vtmp->name, nlen);
154 OPENSSL_free(vtmp->name);
155 vtmp->name = ntmp;
156 }
157 if (ret == NULL && tret == NULL) {
158 return sk_CONF_VALUE_new_null();
159 }
160
161 return tret;
162 err:
163 if (ret == NULL && tret != NULL) {
164 sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
165 }
166 return NULL;
167 }
168
v2i_AUTHORITY_INFO_ACCESS(const X509V3_EXT_METHOD * method,const X509V3_CTX * ctx,const STACK_OF (CONF_VALUE)* nval)169 static void *v2i_AUTHORITY_INFO_ACCESS(const X509V3_EXT_METHOD *method,
170 const X509V3_CTX *ctx,
171 const STACK_OF(CONF_VALUE) *nval) {
172 AUTHORITY_INFO_ACCESS *ainfo = NULL;
173 ACCESS_DESCRIPTION *acc;
174 if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
175 return NULL;
176 }
177 for (size_t i = 0; i < sk_CONF_VALUE_num(nval); i++) {
178 const CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
179 if (!(acc = ACCESS_DESCRIPTION_new()) ||
180 !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
181 goto err;
182 }
183 char *ptmp = strchr(cnf->name, ';');
184 if (!ptmp) {
185 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
186 goto err;
187 }
188 CONF_VALUE ctmp;
189 ctmp.name = ptmp + 1;
190 ctmp.value = cnf->value;
191 if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0)) {
192 goto err;
193 }
194 char *objtmp = OPENSSL_strndup(cnf->name, ptmp - cnf->name);
195 if (objtmp == NULL) {
196 goto err;
197 }
198 acc->method = OBJ_txt2obj(objtmp, 0);
199 if (!acc->method) {
200 OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
201 ERR_add_error_data(2, "value=", objtmp);
202 OPENSSL_free(objtmp);
203 goto err;
204 }
205 OPENSSL_free(objtmp);
206 }
207 return ainfo;
208 err:
209 sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
210 return NULL;
211 }
212