2 * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include <openssl/err.h>
11 #include <openssl/asn1t.h>
12 #include <openssl/x509_acert.h>
15 * Definition of IetfAttrSyntax from RFC 5755 4.4
17 * IetfAttrSyntax ::= SEQUENCE {
18 * policyAuthority [0] GeneralNames OPTIONAL,
19 * values SEQUENCE OF CHOICE {
20 * octets OCTET STRING,
21 * oid OBJECT IDENTIFIER,
26 * Section 4.4.2 states that all values in the sequence MUST use the
27 * same choice of value (octet, oid or string).
30 struct OSSL_IETF_ATTR_SYNTAX_VALUE_st {
33 ASN1_OCTET_STRING *octets;
35 ASN1_UTF8STRING *string;
39 struct OSSL_IETF_ATTR_SYNTAX_st {
40 GENERAL_NAMES *policyAuthority;
42 STACK_OF(OSSL_IETF_ATTR_SYNTAX_VALUE) *values;
45 ASN1_CHOICE(OSSL_IETF_ATTR_SYNTAX_VALUE) = {
46 ASN1_SIMPLE(OSSL_IETF_ATTR_SYNTAX_VALUE, u.octets, ASN1_OCTET_STRING),
47 ASN1_SIMPLE(OSSL_IETF_ATTR_SYNTAX_VALUE, u.oid, ASN1_OBJECT),
48 ASN1_SIMPLE(OSSL_IETF_ATTR_SYNTAX_VALUE, u.string, ASN1_UTF8STRING),
49 } ASN1_CHOICE_END(OSSL_IETF_ATTR_SYNTAX_VALUE)
51 ASN1_SEQUENCE(OSSL_IETF_ATTR_SYNTAX) = {
52 ASN1_IMP_SEQUENCE_OF_OPT(OSSL_IETF_ATTR_SYNTAX, policyAuthority, GENERAL_NAME, 0),
53 ASN1_SEQUENCE_OF(OSSL_IETF_ATTR_SYNTAX, values, OSSL_IETF_ATTR_SYNTAX_VALUE),
54 } ASN1_SEQUENCE_END(OSSL_IETF_ATTR_SYNTAX)
56 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(OSSL_IETF_ATTR_SYNTAX)
57 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(OSSL_IETF_ATTR_SYNTAX_VALUE)
59 OSSL_IETF_ATTR_SYNTAX *d2i_OSSL_IETF_ATTR_SYNTAX (OSSL_IETF_ATTR_SYNTAX **a,
60 const unsigned char **in,
63 OSSL_IETF_ATTR_SYNTAX *ias;
66 ias = (OSSL_IETF_ATTR_SYNTAX *) ASN1_item_d2i((ASN1_VALUE **)a, in, len,
67 OSSL_IETF_ATTR_SYNTAX_it());
71 for (i = 0; i < sk_OSSL_IETF_ATTR_SYNTAX_VALUE_num(ias->values); i++)
73 OSSL_IETF_ATTR_SYNTAX_VALUE *val;
75 val = sk_OSSL_IETF_ATTR_SYNTAX_VALUE_value(ias->values, i);
77 ias->type = val->type;
78 else if (val->type != ias->type)
85 OSSL_IETF_ATTR_SYNTAX_free(ias);
88 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_INVALID_ARGUMENT);
92 int i2d_OSSL_IETF_ATTR_SYNTAX (const OSSL_IETF_ATTR_SYNTAX *a,
95 return ASN1_item_i2d((const ASN1_VALUE *)a, out, OSSL_IETF_ATTR_SYNTAX_it());
98 int OSSL_IETF_ATTR_SYNTAX_get_value_num(const OSSL_IETF_ATTR_SYNTAX *a)
100 if (a->values == NULL)
103 return sk_OSSL_IETF_ATTR_SYNTAX_VALUE_num(a->values);
106 const GENERAL_NAMES *
107 OSSL_IETF_ATTR_SYNTAX_get0_policyAuthority(const OSSL_IETF_ATTR_SYNTAX *a)
109 return a->policyAuthority;
112 void OSSL_IETF_ATTR_SYNTAX_set0_policyAuthority(OSSL_IETF_ATTR_SYNTAX *a,
113 GENERAL_NAMES *names)
115 GENERAL_NAMES_free(a->policyAuthority);
116 a->policyAuthority = names;
119 void *OSSL_IETF_ATTR_SYNTAX_get0_value(const OSSL_IETF_ATTR_SYNTAX *a,
122 OSSL_IETF_ATTR_SYNTAX_VALUE *val;
124 val = sk_OSSL_IETF_ATTR_SYNTAX_VALUE_value(a->values, ind);
132 case OSSL_IETFAS_OCTETS:
133 return val->u.octets;
134 case OSSL_IETFAS_OID:
136 case OSSL_IETFAS_STRING:
137 return val->u.string;
143 int OSSL_IETF_ATTR_SYNTAX_add1_value(OSSL_IETF_ATTR_SYNTAX *a, int type,
146 OSSL_IETF_ATTR_SYNTAX_VALUE *val;
151 if (a->values == NULL) {
152 if ((a->values = sk_OSSL_IETF_ATTR_SYNTAX_VALUE_new_null()) == NULL)
157 if (type != a->type) {
158 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_INVALID_ARGUMENT);
162 if ((val = OSSL_IETF_ATTR_SYNTAX_VALUE_new()) == NULL)
167 case OSSL_IETFAS_OCTETS:
168 val->u.octets = data;
170 case OSSL_IETFAS_OID:
173 case OSSL_IETFAS_STRING:
174 val->u.string = data;
177 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_INVALID_ARGUMENT);
181 if (sk_OSSL_IETF_ATTR_SYNTAX_VALUE_push(a->values, val) <= 0) {
182 OSSL_IETF_ATTR_SYNTAX_VALUE_free(val);
189 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
193 int OSSL_IETF_ATTR_SYNTAX_print(BIO *bp, OSSL_IETF_ATTR_SYNTAX *a, int indent)
197 if (a->policyAuthority != NULL) {
198 for (i = 0; i < sk_GENERAL_NAME_num(a->policyAuthority); i++) {
199 if (BIO_printf(bp, "%*s", indent, "") <= 0)
202 if (GENERAL_NAME_print(bp, sk_GENERAL_NAME_value(a->policyAuthority,
206 if (BIO_printf(bp, "\n") <= 0)
211 for (i = 0; i < OSSL_IETF_ATTR_SYNTAX_get_value_num(a); i++) {
214 void *attr_value = OSSL_IETF_ATTR_SYNTAX_get0_value(a, i, &ietf_type);
216 if (attr_value == NULL)
219 if (BIO_printf(bp, "%*s", indent, "") <= 0)
223 case OSSL_IETFAS_OID:
224 OBJ_obj2txt(oidstr, sizeof(oidstr), attr_value, 0);
225 BIO_printf(bp, "%.*s", (int) sizeof(oidstr), oidstr);
227 case OSSL_IETFAS_OCTETS:
228 case OSSL_IETFAS_STRING:
229 ASN1_STRING_print(bp, attr_value);
233 if (BIO_printf(bp, "\n") <= 0)