xref: /openssl/crypto/x509/v3_sda.c (revision 2ef6fa1c)
1 /*
2  * Copyright 2024 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <openssl/asn1t.h>
11 #include <openssl/x509v3.h>
12 #include <crypto/x509.h>
13 #include "ext_dat.h"
14 
ASN1_ITEM_TEMPLATE(OSSL_ATTRIBUTES_SYNTAX)15 ASN1_ITEM_TEMPLATE(OSSL_ATTRIBUTES_SYNTAX) =
16         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Attributes, X509_ATTRIBUTE)
17 ASN1_ITEM_TEMPLATE_END(OSSL_ATTRIBUTES_SYNTAX)
18 
19 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATTRIBUTES_SYNTAX)
20 
21 static int i2r_ATTRIBUTES_SYNTAX(X509V3_EXT_METHOD *method,
22                                  OSSL_ATTRIBUTES_SYNTAX *attrlst,
23                                  BIO *out, int indent)
24 {
25     X509_ATTRIBUTE *attr;
26     ASN1_TYPE *av;
27     int i, j, attr_nid;
28 
29     if (!attrlst) {
30         if (BIO_printf(out, "<No Attributes>\n") <= 0)
31             return 0;
32         return 1;
33     }
34     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
35         if (BIO_printf(out, "<Empty Attributes>\n") <= 0)
36             return 0;
37         return 1;
38     }
39 
40     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
41         ASN1_OBJECT *attr_obj;
42         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
43         attr_obj = X509_ATTRIBUTE_get0_object(attr);
44         attr_nid = OBJ_obj2nid(attr_obj);
45         if (indent && BIO_printf(out, "%*s", indent, "") <= 0)
46             return 0;
47         if (attr_nid == NID_undef) {
48             if (i2a_ASN1_OBJECT(out, attr_obj) <= 0)
49                 return 0;
50             if (BIO_puts(out, ":\n") <= 0)
51                 return 0;
52         } else if (BIO_printf(out, "%s:\n", OBJ_nid2ln(attr_nid)) <= 0) {
53             return 0;
54         }
55 
56         if (X509_ATTRIBUTE_count(attr)) {
57             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
58             {
59                 av = X509_ATTRIBUTE_get0_type(attr, j);
60                 if (ossl_print_attribute_value(out, attr_nid, av, indent + 4) <= 0)
61                     return 0;
62                 if (BIO_puts(out, "\n") <= 0)
63                     return 0;
64             }
65         } else if (BIO_printf(out, "%*s<No Values>\n", indent + 4, "") <= 0) {
66             return 0;
67         }
68     }
69     return 1;
70 }
71 
72 const X509V3_EXT_METHOD ossl_v3_subj_dir_attrs = {
73     NID_subject_directory_attributes, X509V3_EXT_MULTILINE,
74     ASN1_ITEM_ref(OSSL_ATTRIBUTES_SYNTAX),
75     0, 0, 0, 0,
76     0, 0, 0, 0,
77     (X509V3_EXT_I2R)i2r_ATTRIBUTES_SYNTAX,
78     0,
79     NULL
80 };
81 
82 const X509V3_EXT_METHOD ossl_v3_associated_info = {
83     NID_associated_information, X509V3_EXT_MULTILINE,
84     ASN1_ITEM_ref(OSSL_ATTRIBUTES_SYNTAX),
85     0, 0, 0, 0,
86     0, 0, 0, 0,
87     (X509V3_EXT_I2R)i2r_ATTRIBUTES_SYNTAX,
88     0,
89     NULL
90 };
91