1*e7be843bSPierre Pronchery /*
2*e7be843bSPierre Pronchery * Copyright 1999-2024 The OpenSSL Project Authors. All Rights Reserved.
3*e7be843bSPierre Pronchery *
4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at
7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html
8*e7be843bSPierre Pronchery */
9*e7be843bSPierre Pronchery
10*e7be843bSPierre Pronchery #include "internal/cryptlib.h"
11*e7be843bSPierre Pronchery #include <openssl/asn1t.h>
12*e7be843bSPierre Pronchery #include <openssl/conf.h>
13*e7be843bSPierre Pronchery #include <openssl/x509v3.h>
14*e7be843bSPierre Pronchery #include "x509_local.h"
15*e7be843bSPierre Pronchery #include "ext_dat.h"
16*e7be843bSPierre Pronchery
17*e7be843bSPierre Pronchery static STACK_OF(CONF_VALUE) *i2v_OSSL_BASIC_ATTR_CONSTRAINTS(
18*e7be843bSPierre Pronchery X509V3_EXT_METHOD *method,
19*e7be843bSPierre Pronchery OSSL_BASIC_ATTR_CONSTRAINTS *battcons,
20*e7be843bSPierre Pronchery STACK_OF(CONF_VALUE)
21*e7be843bSPierre Pronchery *extlist);
22*e7be843bSPierre Pronchery static OSSL_BASIC_ATTR_CONSTRAINTS *v2i_OSSL_BASIC_ATTR_CONSTRAINTS(
23*e7be843bSPierre Pronchery X509V3_EXT_METHOD *method,
24*e7be843bSPierre Pronchery X509V3_CTX *ctx,
25*e7be843bSPierre Pronchery STACK_OF(CONF_VALUE) *values);
26*e7be843bSPierre Pronchery
27*e7be843bSPierre Pronchery const X509V3_EXT_METHOD ossl_v3_battcons = {
28*e7be843bSPierre Pronchery NID_basic_att_constraints, 0,
29*e7be843bSPierre Pronchery ASN1_ITEM_ref(OSSL_BASIC_ATTR_CONSTRAINTS),
30*e7be843bSPierre Pronchery 0, 0, 0, 0,
31*e7be843bSPierre Pronchery 0, 0,
32*e7be843bSPierre Pronchery (X509V3_EXT_I2V) i2v_OSSL_BASIC_ATTR_CONSTRAINTS,
33*e7be843bSPierre Pronchery (X509V3_EXT_V2I)v2i_OSSL_BASIC_ATTR_CONSTRAINTS,
34*e7be843bSPierre Pronchery NULL, NULL,
35*e7be843bSPierre Pronchery NULL
36*e7be843bSPierre Pronchery };
37*e7be843bSPierre Pronchery
38*e7be843bSPierre Pronchery ASN1_SEQUENCE(OSSL_BASIC_ATTR_CONSTRAINTS) = {
39*e7be843bSPierre Pronchery ASN1_OPT(OSSL_BASIC_ATTR_CONSTRAINTS, authority, ASN1_FBOOLEAN),
40*e7be843bSPierre Pronchery ASN1_OPT(OSSL_BASIC_ATTR_CONSTRAINTS, pathlen, ASN1_INTEGER)
41*e7be843bSPierre Pronchery } ASN1_SEQUENCE_END(OSSL_BASIC_ATTR_CONSTRAINTS)
42*e7be843bSPierre Pronchery
43*e7be843bSPierre Pronchery IMPLEMENT_ASN1_FUNCTIONS(OSSL_BASIC_ATTR_CONSTRAINTS)
44*e7be843bSPierre Pronchery
45*e7be843bSPierre Pronchery static STACK_OF(CONF_VALUE) *i2v_OSSL_BASIC_ATTR_CONSTRAINTS(
46*e7be843bSPierre Pronchery X509V3_EXT_METHOD *method,
47*e7be843bSPierre Pronchery OSSL_BASIC_ATTR_CONSTRAINTS *battcons,
48*e7be843bSPierre Pronchery STACK_OF(CONF_VALUE) *extlist)
49*e7be843bSPierre Pronchery {
50*e7be843bSPierre Pronchery X509V3_add_value_bool("authority", battcons->authority, &extlist);
51*e7be843bSPierre Pronchery X509V3_add_value_int("pathlen", battcons->pathlen, &extlist);
52*e7be843bSPierre Pronchery return extlist;
53*e7be843bSPierre Pronchery }
54*e7be843bSPierre Pronchery
v2i_OSSL_BASIC_ATTR_CONSTRAINTS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* values)55*e7be843bSPierre Pronchery static OSSL_BASIC_ATTR_CONSTRAINTS *v2i_OSSL_BASIC_ATTR_CONSTRAINTS(
56*e7be843bSPierre Pronchery X509V3_EXT_METHOD *method,
57*e7be843bSPierre Pronchery X509V3_CTX *ctx,
58*e7be843bSPierre Pronchery STACK_OF(CONF_VALUE) *values)
59*e7be843bSPierre Pronchery {
60*e7be843bSPierre Pronchery OSSL_BASIC_ATTR_CONSTRAINTS *battcons = NULL;
61*e7be843bSPierre Pronchery CONF_VALUE *val;
62*e7be843bSPierre Pronchery int i;
63*e7be843bSPierre Pronchery
64*e7be843bSPierre Pronchery if ((battcons = OSSL_BASIC_ATTR_CONSTRAINTS_new()) == NULL) {
65*e7be843bSPierre Pronchery ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
66*e7be843bSPierre Pronchery return NULL;
67*e7be843bSPierre Pronchery }
68*e7be843bSPierre Pronchery for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
69*e7be843bSPierre Pronchery val = sk_CONF_VALUE_value(values, i);
70*e7be843bSPierre Pronchery if (strcmp(val->name, "authority") == 0) {
71*e7be843bSPierre Pronchery if (!X509V3_get_value_bool(val, &battcons->authority))
72*e7be843bSPierre Pronchery goto err;
73*e7be843bSPierre Pronchery } else if (strcmp(val->name, "pathlen") == 0) {
74*e7be843bSPierre Pronchery if (!X509V3_get_value_int(val, &battcons->pathlen))
75*e7be843bSPierre Pronchery goto err;
76*e7be843bSPierre Pronchery } else {
77*e7be843bSPierre Pronchery ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NAME);
78*e7be843bSPierre Pronchery X509V3_conf_add_error_name_value(val);
79*e7be843bSPierre Pronchery goto err;
80*e7be843bSPierre Pronchery }
81*e7be843bSPierre Pronchery }
82*e7be843bSPierre Pronchery return battcons;
83*e7be843bSPierre Pronchery err:
84*e7be843bSPierre Pronchery OSSL_BASIC_ATTR_CONSTRAINTS_free(battcons);
85*e7be843bSPierre Pronchery return NULL;
86*e7be843bSPierre Pronchery }
87