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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 
72 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
73                                                        *method, AUTHORITY_INFO_ACCESS
74                                                        *ainfo, STACK_OF(CONF_VALUE)
75                                                        *ret);
76 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
77                                                         *method,
78                                                         X509V3_CTX *ctx,
79                                                         STACK_OF(CONF_VALUE)
80                                                         *nval);
81 
82 const 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 
92 const 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 
102 ASN1_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 
107 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
108 
109 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
110         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
111 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
112 
113 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
114 
115 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
116     X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
117     STACK_OF(CONF_VALUE) *ret)
118 {
119     ACCESS_DESCRIPTION *desc;
120     size_t i;
121     int nlen;
122     char objtmp[80], *ntmp;
123     CONF_VALUE *vtmp;
124     STACK_OF(CONF_VALUE) *tret = ret;
125 
126     for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
127         STACK_OF(CONF_VALUE) *tmp;
128 
129         desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
130         tmp = i2v_GENERAL_NAME(method, desc->location, tret);
131         if (tmp == NULL)
132             goto err;
133         tret = tmp;
134         vtmp = sk_CONF_VALUE_value(tret, i);
135         i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
136         nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
137         ntmp = OPENSSL_malloc(nlen);
138         if (ntmp == NULL)
139             goto err;
140         BUF_strlcpy(ntmp, objtmp, nlen);
141         BUF_strlcat(ntmp, " - ", nlen);
142         BUF_strlcat(ntmp, vtmp->name, nlen);
143         OPENSSL_free(vtmp->name);
144         vtmp->name = ntmp;
145 
146     }
147     if (ret == NULL && tret == NULL)
148         return sk_CONF_VALUE_new_null();
149 
150     return tret;
151  err:
152     OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
153     if (ret == NULL && tret != NULL)
154         sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
155     return NULL;
156 }
157 
v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)158 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
159                                                         *method,
160                                                         X509V3_CTX *ctx,
161                                                         STACK_OF(CONF_VALUE)
162                                                         *nval)
163 {
164     AUTHORITY_INFO_ACCESS *ainfo = NULL;
165     CONF_VALUE *cnf, ctmp;
166     ACCESS_DESCRIPTION *acc;
167     size_t i;
168     int objlen;
169     char *objtmp, *ptmp;
170     if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
171         OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
172         return NULL;
173     }
174     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
175         cnf = sk_CONF_VALUE_value(nval, i);
176         if (!(acc = ACCESS_DESCRIPTION_new())
177             || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
178             OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
179             goto err;
180         }
181         ptmp = strchr(cnf->name, ';');
182         if (!ptmp) {
183             OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
184             goto err;
185         }
186         objlen = ptmp - cnf->name;
187         ctmp.name = ptmp + 1;
188         ctmp.value = cnf->value;
189         if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
190             goto err;
191         if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
192             OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
193             goto err;
194         }
195         strncpy(objtmp, cnf->name, objlen);
196         objtmp[objlen] = 0;
197         acc->method = OBJ_txt2obj(objtmp, 0);
198         if (!acc->method) {
199             OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
200             ERR_add_error_data(2, "value=", objtmp);
201             OPENSSL_free(objtmp);
202             goto err;
203         }
204         OPENSSL_free(objtmp);
205 
206     }
207     return ainfo;
208  err:
209     sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
210     return NULL;
211 }
212 
i2a_ACCESS_DESCRIPTION(BIO * bp,ACCESS_DESCRIPTION * a)213 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
214 {
215     i2a_ASN1_OBJECT(bp, a->method);
216 #ifdef UNDEF
217     i2a_GENERAL_NAME(bp, a->location);
218 #endif
219     return 2;
220 }
221