1 /*
2 * Copyright 1999-2024 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 "internal/cryptlib.h"
11 #include <openssl/asn1t.h>
12 #include <openssl/conf.h>
13 #include <openssl/x509v3.h>
14 #include "x509_local.h"
15 #include "ext_dat.h"
16
17 static STACK_OF(CONF_VALUE) *i2v_OSSL_BASIC_ATTR_CONSTRAINTS(
18 X509V3_EXT_METHOD *method,
19 OSSL_BASIC_ATTR_CONSTRAINTS *battcons,
20 STACK_OF(CONF_VALUE)
21 *extlist);
22 static OSSL_BASIC_ATTR_CONSTRAINTS *v2i_OSSL_BASIC_ATTR_CONSTRAINTS(
23 X509V3_EXT_METHOD *method,
24 X509V3_CTX *ctx,
25 STACK_OF(CONF_VALUE) *values);
26
27 const X509V3_EXT_METHOD ossl_v3_battcons = {
28 NID_basic_att_constraints, 0,
29 ASN1_ITEM_ref(OSSL_BASIC_ATTR_CONSTRAINTS),
30 0, 0, 0, 0,
31 0, 0,
32 (X509V3_EXT_I2V) i2v_OSSL_BASIC_ATTR_CONSTRAINTS,
33 (X509V3_EXT_V2I)v2i_OSSL_BASIC_ATTR_CONSTRAINTS,
34 NULL, NULL,
35 NULL
36 };
37
38 ASN1_SEQUENCE(OSSL_BASIC_ATTR_CONSTRAINTS) = {
39 ASN1_OPT(OSSL_BASIC_ATTR_CONSTRAINTS, authority, ASN1_FBOOLEAN),
40 ASN1_OPT(OSSL_BASIC_ATTR_CONSTRAINTS, pathlen, ASN1_INTEGER)
41 } ASN1_SEQUENCE_END(OSSL_BASIC_ATTR_CONSTRAINTS)
42
43 IMPLEMENT_ASN1_FUNCTIONS(OSSL_BASIC_ATTR_CONSTRAINTS)
44
45 static STACK_OF(CONF_VALUE) *i2v_OSSL_BASIC_ATTR_CONSTRAINTS(
46 X509V3_EXT_METHOD *method,
47 OSSL_BASIC_ATTR_CONSTRAINTS *battcons,
48 STACK_OF(CONF_VALUE) *extlist)
49 {
50 X509V3_add_value_bool("authority", battcons->authority, &extlist);
51 X509V3_add_value_int("pathlen", battcons->pathlen, &extlist);
52 return extlist;
53 }
54
v2i_OSSL_BASIC_ATTR_CONSTRAINTS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* values)55 static OSSL_BASIC_ATTR_CONSTRAINTS *v2i_OSSL_BASIC_ATTR_CONSTRAINTS(
56 X509V3_EXT_METHOD *method,
57 X509V3_CTX *ctx,
58 STACK_OF(CONF_VALUE) *values)
59 {
60 OSSL_BASIC_ATTR_CONSTRAINTS *battcons = NULL;
61 CONF_VALUE *val;
62 int i;
63
64 if ((battcons = OSSL_BASIC_ATTR_CONSTRAINTS_new()) == NULL) {
65 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
66 return NULL;
67 }
68 for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
69 val = sk_CONF_VALUE_value(values, i);
70 if (strcmp(val->name, "authority") == 0) {
71 if (!X509V3_get_value_bool(val, &battcons->authority))
72 goto err;
73 } else if (strcmp(val->name, "pathlen") == 0) {
74 if (!X509V3_get_value_int(val, &battcons->pathlen))
75 goto err;
76 } else {
77 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NAME);
78 X509V3_conf_add_error_name_value(val);
79 goto err;
80 }
81 }
82 return battcons;
83 err:
84 OSSL_BASIC_ATTR_CONSTRAINTS_free(battcons);
85 return NULL;
86 }
87
