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
15 ASN1_SEQUENCE(OSSL_ATAV) = {
16 ASN1_SIMPLE(OSSL_ATAV, type, ASN1_OBJECT),
17 ASN1_SIMPLE(OSSL_ATAV, value, ASN1_ANY)
18 } ASN1_SEQUENCE_END(OSSL_ATAV)
19
20 ASN1_SEQUENCE(OSSL_ATTRIBUTE_TYPE_MAPPING) = {
21 ASN1_IMP(OSSL_ATTRIBUTE_TYPE_MAPPING, local, ASN1_OBJECT, 0),
22 ASN1_IMP(OSSL_ATTRIBUTE_TYPE_MAPPING, remote, ASN1_OBJECT, 1),
23 } ASN1_SEQUENCE_END(OSSL_ATTRIBUTE_TYPE_MAPPING)
24
25 ASN1_SEQUENCE(OSSL_ATTRIBUTE_VALUE_MAPPING) = {
26 ASN1_IMP(OSSL_ATTRIBUTE_VALUE_MAPPING, local, OSSL_ATAV, 0),
27 ASN1_IMP(OSSL_ATTRIBUTE_VALUE_MAPPING, remote, OSSL_ATAV, 1),
28 } ASN1_SEQUENCE_END(OSSL_ATTRIBUTE_VALUE_MAPPING)
29
30 ASN1_CHOICE(OSSL_ATTRIBUTE_MAPPING) = {
31 ASN1_IMP(OSSL_ATTRIBUTE_MAPPING, choice.typeMappings,
32 OSSL_ATTRIBUTE_TYPE_MAPPING, OSSL_ATTR_MAP_TYPE),
33 ASN1_IMP(OSSL_ATTRIBUTE_MAPPING, choice.typeValueMappings,
34 OSSL_ATTRIBUTE_VALUE_MAPPING, OSSL_ATTR_MAP_VALUE),
35 } ASN1_CHOICE_END(OSSL_ATTRIBUTE_MAPPING)
36
37 ASN1_ITEM_TEMPLATE(OSSL_ATTRIBUTE_MAPPINGS) =
38 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, OSSL_ATTRIBUTE_MAPPINGS, OSSL_ATTRIBUTE_MAPPING)
39 ASN1_ITEM_TEMPLATE_END(OSSL_ATTRIBUTE_MAPPINGS)
40
41 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATAV)
42 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATTRIBUTE_TYPE_MAPPING)
43 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATTRIBUTE_VALUE_MAPPING)
44 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATTRIBUTE_MAPPING)
45 IMPLEMENT_ASN1_FUNCTIONS(OSSL_ATTRIBUTE_MAPPINGS)
46
47 static int i2r_ATTRIBUTE_MAPPING(X509V3_EXT_METHOD *method,
48 OSSL_ATTRIBUTE_MAPPING *am,
49 BIO *out, int indent)
50 {
51 ASN1_OBJECT *local_type, *remote_type;
52 int local_attr_nid, remote_attr_nid;
53 ASN1_TYPE *local_val, *remote_val;
54
55 switch (am->type) {
56 case (OSSL_ATTR_MAP_TYPE):
57 if (i2a_ASN1_OBJECT(out, am->choice.typeMappings->local) <= 0)
58 return 0;
59 if (BIO_puts(out, " == ") <= 0)
60 return 0;
61 return i2a_ASN1_OBJECT(out, am->choice.typeMappings->remote);
62 case (OSSL_ATTR_MAP_VALUE):
63 local_type = am->choice.typeValueMappings->local->type;
64 remote_type = am->choice.typeValueMappings->remote->type;
65 local_val = am->choice.typeValueMappings->local->value;
66 remote_val = am->choice.typeValueMappings->remote->value;
67 local_attr_nid = OBJ_obj2nid(local_type);
68 remote_attr_nid = OBJ_obj2nid(remote_type);
69 if (i2a_ASN1_OBJECT(out, local_type) <= 0)
70 return 0;
71 if (BIO_puts(out, ":") <= 0)
72 return 0;
73 if (ossl_print_attribute_value(out, local_attr_nid, local_val, 0) <= 0)
74 return 0;
75 if (BIO_puts(out, " == ") <= 0)
76 return 0;
77 if (i2a_ASN1_OBJECT(out, remote_type) <= 0)
78 return 0;
79 if (BIO_puts(out, ":") <= 0)
80 return 0;
81 return ossl_print_attribute_value(out, remote_attr_nid, remote_val, 0);
82 default:
83 return 0;
84 }
85 return 1;
86 }
87
i2r_ATTRIBUTE_MAPPINGS(X509V3_EXT_METHOD * method,OSSL_ATTRIBUTE_MAPPINGS * ams,BIO * out,int indent)88 static int i2r_ATTRIBUTE_MAPPINGS(X509V3_EXT_METHOD *method,
89 OSSL_ATTRIBUTE_MAPPINGS *ams,
90 BIO *out, int indent)
91 {
92 int i;
93 OSSL_ATTRIBUTE_MAPPING *am;
94
95 for (i = 0; i < sk_OSSL_ATTRIBUTE_MAPPING_num(ams); i++) {
96 am = sk_OSSL_ATTRIBUTE_MAPPING_value(ams, i);
97 if (BIO_printf(out, "%*s", indent, "") <= 0)
98 return 0;
99 if (i2r_ATTRIBUTE_MAPPING(method, am, out, indent + 4) <= 0)
100 return 0;
101 if (BIO_puts(out, "\n") <= 0)
102 return 0;
103 }
104 return 1;
105 }
106
107 const X509V3_EXT_METHOD ossl_v3_attribute_mappings = {
108 NID_attribute_mappings, X509V3_EXT_MULTILINE,
109 ASN1_ITEM_ref(OSSL_ATTRIBUTE_MAPPINGS),
110 0, 0, 0, 0,
111 0, 0,
112 0,
113 0,
114 (X509V3_EXT_I2R)i2r_ATTRIBUTE_MAPPINGS,
115 0,
116 NULL
117 };
118
