/* $OpenBSD: x_x509a.c,v 1.22 2024/04/09 13:55:02 beck Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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 "x509_local.h" /* X509_CERT_AUX routines. These are used to encode additional * user modifiable data about a certificate. This data is * appended to the X509 encoding when the *_X509_AUX routines * are used. This means that the "traditional" X509 routines * will simply ignore the extra data. */ static X509_CERT_AUX *aux_get(X509 *x); static const ASN1_TEMPLATE X509_CERT_AUX_seq_tt[] = { { .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL, .offset = offsetof(X509_CERT_AUX, trust), .field_name = "trust", .item = &ASN1_OBJECT_it, }, { .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL, .tag = 0, .offset = offsetof(X509_CERT_AUX, reject), .field_name = "reject", .item = &ASN1_OBJECT_it, }, { .flags = ASN1_TFLG_OPTIONAL, .offset = offsetof(X509_CERT_AUX, alias), .field_name = "alias", .item = &ASN1_UTF8STRING_it, }, { .flags = ASN1_TFLG_OPTIONAL, .offset = offsetof(X509_CERT_AUX, keyid), .field_name = "keyid", .item = &ASN1_OCTET_STRING_it, }, { .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL, .tag = 1, .offset = offsetof(X509_CERT_AUX, other), .field_name = "other", .item = &X509_ALGOR_it, }, }; const ASN1_ITEM X509_CERT_AUX_it = { .itype = ASN1_ITYPE_SEQUENCE, .utype = V_ASN1_SEQUENCE, .templates = X509_CERT_AUX_seq_tt, .tcount = sizeof(X509_CERT_AUX_seq_tt) / sizeof(ASN1_TEMPLATE), .size = sizeof(X509_CERT_AUX), .sname = "X509_CERT_AUX", }; X509_CERT_AUX * d2i_X509_CERT_AUX(X509_CERT_AUX **a, const unsigned char **in, long len) { return (X509_CERT_AUX *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &X509_CERT_AUX_it); } int i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **out) { return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CERT_AUX_it); } X509_CERT_AUX * X509_CERT_AUX_new(void) { return (X509_CERT_AUX *)ASN1_item_new(&X509_CERT_AUX_it); } void X509_CERT_AUX_free(X509_CERT_AUX *a) { ASN1_item_free((ASN1_VALUE *)a, &X509_CERT_AUX_it); } static X509_CERT_AUX * aux_get(X509 *x) { if (!x) return NULL; if (!x->aux && !(x->aux = X509_CERT_AUX_new())) return NULL; return x->aux; } int X509_alias_set1(X509 *x, const unsigned char *name, int len) { X509_CERT_AUX *aux; if (!name) { if (!x || !x->aux || !x->aux->alias) return 1; ASN1_UTF8STRING_free(x->aux->alias); x->aux->alias = NULL; return 1; } if (!(aux = aux_get(x))) return 0; if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0; return ASN1_STRING_set(aux->alias, name, len); } LCRYPTO_ALIAS(X509_alias_set1); int X509_keyid_set1(X509 *x, const unsigned char *id, int len) { X509_CERT_AUX *aux; if (!id) { if (!x || !x->aux || !x->aux->keyid) return 1; ASN1_OCTET_STRING_free(x->aux->keyid); x->aux->keyid = NULL; return 1; } if (!(aux = aux_get(x))) return 0; if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0; return ASN1_STRING_set(aux->keyid, id, len); } LCRYPTO_ALIAS(X509_keyid_set1); unsigned char * X509_alias_get0(X509 *x, int *len) { if (!x->aux || !x->aux->alias) return NULL; if (len) *len = x->aux->alias->length; return x->aux->alias->data; } LCRYPTO_ALIAS(X509_alias_get0); unsigned char * X509_keyid_get0(X509 *x, int *len) { if (!x->aux || !x->aux->keyid) return NULL; if (len) *len = x->aux->keyid->length; return x->aux->keyid->data; } LCRYPTO_ALIAS(X509_keyid_get0); int X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj) { X509_CERT_AUX *aux; ASN1_OBJECT *objtmp; int rc; if (!(objtmp = OBJ_dup(obj))) return 0; if (!(aux = aux_get(x))) goto err; if (!aux->trust && !(aux->trust = sk_ASN1_OBJECT_new_null())) goto err; rc = sk_ASN1_OBJECT_push(aux->trust, objtmp); if (rc != 0) return rc; err: ASN1_OBJECT_free(objtmp); return 0; } LCRYPTO_ALIAS(X509_add1_trust_object); int X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj) { X509_CERT_AUX *aux; ASN1_OBJECT *objtmp; int rc; if (!(objtmp = OBJ_dup(obj))) return 0; if (!(aux = aux_get(x))) goto err; if (!aux->reject && !(aux->reject = sk_ASN1_OBJECT_new_null())) goto err; rc = sk_ASN1_OBJECT_push(aux->reject, objtmp); if (rc != 0) return rc; err: ASN1_OBJECT_free(objtmp); return 0; } LCRYPTO_ALIAS(X509_add1_reject_object); void X509_trust_clear(X509 *x) { if (x->aux && x->aux->trust) { sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free); x->aux->trust = NULL; } } LCRYPTO_ALIAS(X509_trust_clear); void X509_reject_clear(X509 *x) { if (x->aux && x->aux->reject) { sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free); x->aux->reject = NULL; } } LCRYPTO_ALIAS(X509_reject_clear);