Parse non-v1 SCTs less awkwardly.
[openssl.git] / crypto / x509v3 / v3_info.c
1 /* v3_info.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 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  *    licensing@OpenSSL.org.
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  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/conf.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/x509v3.h>
65
66 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
67                                 AUTHORITY_INFO_ACCESS *ainfo,
68                                                 STACK_OF(CONF_VALUE) *ret);
69 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
70                                  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
71
72 const X509V3_EXT_METHOD v3_info =
73 { NID_info_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
74 0,0,0,0,
75 0,0,
76 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
77 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
78 0,0,
79 NULL};
80
81 const X509V3_EXT_METHOD v3_sinfo =
82 { NID_sinfo_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
83 0,0,0,0,
84 0,0,
85 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
86 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
87 0,0,
88 NULL};
89
90 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
91         ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
92         ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
93 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
94
95 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
96
97 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) = 
98         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
99 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
100
101 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
102
103 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
104                                 AUTHORITY_INFO_ACCESS *ainfo,
105                                                 STACK_OF(CONF_VALUE) *ret)
106 {
107         ACCESS_DESCRIPTION *desc;
108         int i,nlen;
109         char objtmp[80], *ntmp;
110         CONF_VALUE *vtmp;
111         for(i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
112                 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
113                 ret = i2v_GENERAL_NAME(method, desc->location, ret);
114                 if(!ret) break;
115                 vtmp = sk_CONF_VALUE_value(ret, i);
116                 i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
117                 nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
118                 ntmp = OPENSSL_malloc(nlen);
119                 if(!ntmp) {
120                         X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS,
121                                         ERR_R_MALLOC_FAILURE);
122                         return NULL;
123                 }
124                 BUF_strlcpy(ntmp, objtmp, nlen);
125                 BUF_strlcat(ntmp, " - ", nlen);
126                 BUF_strlcat(ntmp, vtmp->name, nlen);
127                 OPENSSL_free(vtmp->name);
128                 vtmp->name = ntmp;
129                 
130         }
131         if(!ret) return sk_CONF_VALUE_new_null();
132         return ret;
133 }
134
135 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
136                                  X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
137 {
138         AUTHORITY_INFO_ACCESS *ainfo = NULL;
139         CONF_VALUE *cnf, ctmp;
140         ACCESS_DESCRIPTION *acc;
141         int i, objlen;
142         char *objtmp, *ptmp;
143         if(!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
144                 X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
145                 return NULL;
146         }
147         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
148                 cnf = sk_CONF_VALUE_value(nval, i);
149                 if(!(acc = ACCESS_DESCRIPTION_new())
150                         || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
151                         X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
152                         goto err;
153                 }
154                 ptmp = strchr(cnf->name, ';');
155                 if(!ptmp) {
156                         X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,X509V3_R_INVALID_SYNTAX);
157                         goto err;
158                 }
159                 objlen = ptmp - cnf->name;
160                 ctmp.name = ptmp + 1;
161                 ctmp.value = cnf->value;
162                 if(!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
163                                                                  goto err; 
164                 if(!(objtmp = OPENSSL_malloc(objlen + 1))) {
165                         X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
166                         goto err;
167                 }
168                 strncpy(objtmp, cnf->name, objlen);
169                 objtmp[objlen] = 0;
170                 acc->method = OBJ_txt2obj(objtmp, 0);
171                 if(!acc->method) {
172                         X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,X509V3_R_BAD_OBJECT);
173                         ERR_add_error_data(2, "value=", objtmp);
174                         OPENSSL_free(objtmp);
175                         goto err;
176                 }
177                 OPENSSL_free(objtmp);
178
179         }
180         return ainfo;
181         err:
182         sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
183         return NULL;
184 }
185
186 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a)
187         {
188         i2a_ASN1_OBJECT(bp, a->method);
189 #ifdef UNDEF
190         i2a_GENERAL_NAME(bp, a->location);
191 #endif
192         return 2;
193         }