/* $OpenBSD: x509_pcons.c,v 1.6 2024/08/31 10:03:03 tb Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project. */ /* ==================================================================== * Copyright (c) 2003 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include #include #include #include #include #include #include "x509_local.h" static STACK_OF(CONF_VALUE) * i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *bcons, STACK_OF(CONF_VALUE) *extlist); static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); static const X509V3_EXT_METHOD x509v3_ext_policy_constraints = { .ext_nid = NID_policy_constraints, .ext_flags = 0, .it = &POLICY_CONSTRAINTS_it, .ext_new = NULL, .ext_free = NULL, .d2i = NULL, .i2d = NULL, .i2s = NULL, .s2i = NULL, .i2v = i2v_POLICY_CONSTRAINTS, .v2i = v2i_POLICY_CONSTRAINTS, .i2r = NULL, .r2i = NULL, .usr_data = NULL, }; const X509V3_EXT_METHOD * x509v3_ext_method_policy_constraints(void) { return &x509v3_ext_policy_constraints; } static const ASN1_TEMPLATE POLICY_CONSTRAINTS_seq_tt[] = { { .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL, .tag = 0, .offset = offsetof(POLICY_CONSTRAINTS, requireExplicitPolicy), .field_name = "requireExplicitPolicy", .item = &ASN1_INTEGER_it, }, { .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL, .tag = 1, .offset = offsetof(POLICY_CONSTRAINTS, inhibitPolicyMapping), .field_name = "inhibitPolicyMapping", .item = &ASN1_INTEGER_it, }, }; const ASN1_ITEM POLICY_CONSTRAINTS_it = { .itype = ASN1_ITYPE_SEQUENCE, .utype = V_ASN1_SEQUENCE, .templates = POLICY_CONSTRAINTS_seq_tt, .tcount = sizeof(POLICY_CONSTRAINTS_seq_tt) / sizeof(ASN1_TEMPLATE), .funcs = NULL, .size = sizeof(POLICY_CONSTRAINTS), .sname = "POLICY_CONSTRAINTS", }; LCRYPTO_ALIAS(POLICY_CONSTRAINTS_it); POLICY_CONSTRAINTS * POLICY_CONSTRAINTS_new(void) { return (POLICY_CONSTRAINTS*)ASN1_item_new(&POLICY_CONSTRAINTS_it); } LCRYPTO_ALIAS(POLICY_CONSTRAINTS_new); void POLICY_CONSTRAINTS_free(POLICY_CONSTRAINTS *a) { ASN1_item_free((ASN1_VALUE *)a, &POLICY_CONSTRAINTS_it); } LCRYPTO_ALIAS(POLICY_CONSTRAINTS_free); static STACK_OF(CONF_VALUE) * i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *extlist) { POLICY_CONSTRAINTS *pcons = a; STACK_OF(CONF_VALUE) *free_extlist = NULL; if (extlist == NULL) { if ((free_extlist = extlist = sk_CONF_VALUE_new_null()) == NULL) return NULL; } if (!X509V3_add_value_int("Require Explicit Policy", pcons->requireExplicitPolicy, &extlist)) goto err; if (!X509V3_add_value_int("Inhibit Policy Mapping", pcons->inhibitPolicyMapping, &extlist)) goto err; return extlist; err: sk_CONF_VALUE_pop_free(free_extlist, X509V3_conf_free); return NULL; } static void * v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) { POLICY_CONSTRAINTS *pcons = NULL; CONF_VALUE *val; int i; if (!(pcons = POLICY_CONSTRAINTS_new())) { X509V3error(ERR_R_MALLOC_FAILURE); return NULL; } for (i = 0; i < sk_CONF_VALUE_num(values); i++) { val = sk_CONF_VALUE_value(values, i); if (!strcmp(val->name, "requireExplicitPolicy")) { if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy)) goto err; } else if (!strcmp(val->name, "inhibitPolicyMapping")) { if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping)) goto err; } else { X509V3error(X509V3_R_INVALID_NAME); X509V3_conf_err(val); goto err; } } if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) { X509V3error(X509V3_R_ILLEGAL_EMPTY_EXTENSION); goto err; } return pcons; err: POLICY_CONSTRAINTS_free(pcons); return NULL; }