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 <openssl/x509.h>
13 #include <crypto/x509.h>
14 #include "ext_dat.h"
15
16 ASN1_CHOICE(OSSL_ALLOWED_ATTRIBUTES_CHOICE) = {
17 ASN1_IMP(OSSL_ALLOWED_ATTRIBUTES_CHOICE, choice.attributeType, ASN1_OBJECT,
18 OSSL_AAA_ATTRIBUTE_TYPE),
19 ASN1_IMP(OSSL_ALLOWED_ATTRIBUTES_CHOICE, choice.attributeTypeandValues,
20 X509_ATTRIBUTE, OSSL_AAA_ATTRIBUTE_VALUES),
21 } ASN1_CHOICE_END(OSSL_ALLOWED_ATTRIBUTES_CHOICE)
22
23 ASN1_SEQUENCE(OSSL_ALLOWED_ATTRIBUTES_ITEM) = {
24 ASN1_IMP_SET_OF(OSSL_ALLOWED_ATTRIBUTES_ITEM, attributes,
25 OSSL_ALLOWED_ATTRIBUTES_CHOICE, 0),
26 /* This MUST be EXPLICIT, because it contains a CHOICE. */
27 ASN1_EXP(OSSL_ALLOWED_ATTRIBUTES_ITEM, holderDomain, GENERAL_NAME, 1),
28 } ASN1_SEQUENCE_END(OSSL_ALLOWED_ATTRIBUTES_ITEM)
29
30 ASN1_ITEM_TEMPLATE(OSSL_ALLOWED_ATTRIBUTES_SYNTAX) =
31 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, OSSL_ALLOWED_ATTRIBUTES_SYNTAX,
32 OSSL_ALLOWED_ATTRIBUTES_ITEM)
33 ASN1_ITEM_TEMPLATE_END(OSSL_ALLOWED_ATTRIBUTES_SYNTAX)
34
35 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ALLOWED_ATTRIBUTES_CHOICE)
36 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ALLOWED_ATTRIBUTES_ITEM)
37 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ALLOWED_ATTRIBUTES_SYNTAX)
38
39 static int i2r_ALLOWED_ATTRIBUTES_CHOICE(X509V3_EXT_METHOD *method,
40 OSSL_ALLOWED_ATTRIBUTES_CHOICE *a,
41 BIO *out, int indent)
42 {
43 ASN1_OBJECT *attr_obj;
44 int attr_nid, j;
45 X509_ATTRIBUTE *attr;
46 ASN1_TYPE *av;
47
48 switch (a->type) {
49 case (OSSL_AAA_ATTRIBUTE_TYPE):
50 if (BIO_printf(out, "%*sAttribute Type: ", indent, "") <= 0)
51 return 0;
52 if (i2a_ASN1_OBJECT(out, a->choice.attributeType) <= 0)
53 return 0;
54 return BIO_puts(out, "\n") > 0;
55 case (OSSL_AAA_ATTRIBUTE_VALUES):
56 attr = a->choice.attributeTypeandValues;
57 attr_obj = X509_ATTRIBUTE_get0_object(attr);
58 attr_nid = OBJ_obj2nid(attr_obj);
59 if (BIO_printf(out, "%*sAttribute Values: ", indent, "") <= 0)
60 return 0;
61 if (i2a_ASN1_OBJECT(out, attr_obj) <= 0)
62 return 0;
63 if (BIO_puts(out, "\n") <= 0)
64 return 0;
65 for (j = 0; j < X509_ATTRIBUTE_count(attr); j++) {
66 av = X509_ATTRIBUTE_get0_type(attr, j);
67 if (ossl_print_attribute_value(out, attr_nid, av, indent + 4) <= 0)
68 return 0;
69 if (BIO_puts(out, "\n") <= 0)
70 return 0;
71 }
72 break;
73 default:
74 return 0;
75 }
76 return 1;
77 }
78
i2r_ALLOWED_ATTRIBUTES_ITEM(X509V3_EXT_METHOD * method,OSSL_ALLOWED_ATTRIBUTES_ITEM * aai,BIO * out,int indent)79 static int i2r_ALLOWED_ATTRIBUTES_ITEM(X509V3_EXT_METHOD *method,
80 OSSL_ALLOWED_ATTRIBUTES_ITEM *aai,
81 BIO *out, int indent)
82 {
83 int i;
84 OSSL_ALLOWED_ATTRIBUTES_CHOICE *a;
85
86 for (i = 0; i < sk_OSSL_ALLOWED_ATTRIBUTES_CHOICE_num(aai->attributes); i++) {
87 if (BIO_printf(out, "%*sAllowed Attribute Type or Values:\n", indent, "") <= 0)
88 return 0;
89 a = sk_OSSL_ALLOWED_ATTRIBUTES_CHOICE_value(aai->attributes, i);
90 if (i2r_ALLOWED_ATTRIBUTES_CHOICE(method, a, out, indent + 4) <= 0)
91 return 0;
92 }
93 if (BIO_printf(out, "%*sHolder Domain: ", indent, "") <= 0)
94 return 0;
95 if (GENERAL_NAME_print(out, aai->holderDomain) <= 0)
96 return 0;
97 if (BIO_puts(out, "\n") <= 0)
98 return 0;
99 return 1;
100 }
101
i2r_ALLOWED_ATTRIBUTES_SYNTAX(X509V3_EXT_METHOD * method,OSSL_ALLOWED_ATTRIBUTES_SYNTAX * aaa,BIO * out,int indent)102 static int i2r_ALLOWED_ATTRIBUTES_SYNTAX(X509V3_EXT_METHOD *method,
103 OSSL_ALLOWED_ATTRIBUTES_SYNTAX *aaa,
104 BIO *out, int indent)
105 {
106 int i;
107 OSSL_ALLOWED_ATTRIBUTES_ITEM *aai;
108
109 for (i = 0; i < sk_OSSL_ALLOWED_ATTRIBUTES_ITEM_num(aaa); i++) {
110 if (BIO_printf(out, "%*sAllowed Attributes:\n", indent, "") <= 0)
111 return 0;
112 aai = sk_OSSL_ALLOWED_ATTRIBUTES_ITEM_value(aaa, i);
113 if (i2r_ALLOWED_ATTRIBUTES_ITEM(method, aai, out, indent + 4) <= 0)
114 return 0;
115 }
116 return 1;
117 }
118
119 const X509V3_EXT_METHOD ossl_v3_allowed_attribute_assignments = {
120 NID_allowed_attribute_assignments, 0,
121 ASN1_ITEM_ref(OSSL_ALLOWED_ATTRIBUTES_SYNTAX),
122 0, 0, 0, 0,
123 0, 0,
124 0,
125 0,
126 (X509V3_EXT_I2R)i2r_ALLOWED_ATTRIBUTES_SYNTAX,
127 0,
128 NULL
129 };
130