/* $OpenBSD: x509_extku.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 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 #include "x509_local.h" static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE( const X509V3_EXT_METHOD *method, void *eku, STACK_OF(CONF_VALUE) *extlist); static const X509V3_EXT_METHOD x509v3_ext_ext_key_usage = { .ext_nid = NID_ext_key_usage, .ext_flags = 0, .it = &EXTENDED_KEY_USAGE_it, .ext_new = NULL, .ext_free = NULL, .d2i = NULL, .i2d = NULL, .i2s = NULL, .s2i = NULL, .i2v = i2v_EXTENDED_KEY_USAGE, .v2i = v2i_EXTENDED_KEY_USAGE, .i2r = NULL, .r2i = NULL, .usr_data = NULL, }; const X509V3_EXT_METHOD * x509v3_ext_method_ext_key_usage(void) { return &x509v3_ext_ext_key_usage; } /* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */ static const X509V3_EXT_METHOD x509v3_ext_id_pkix_OCSP_acceptableResponses = { .ext_nid = NID_id_pkix_OCSP_acceptableResponses, .ext_flags = 0, .it = &EXTENDED_KEY_USAGE_it, .ext_new = NULL, .ext_free = NULL, .d2i = NULL, .i2d = NULL, .i2s = NULL, .s2i = NULL, .i2v = i2v_EXTENDED_KEY_USAGE, .v2i = v2i_EXTENDED_KEY_USAGE, .i2r = NULL, .r2i = NULL, .usr_data = NULL, }; const X509V3_EXT_METHOD * x509v3_ext_method_id_pkix_OCSP_acceptableResponses(void) { return &x509v3_ext_id_pkix_OCSP_acceptableResponses; } static const ASN1_TEMPLATE EXTENDED_KEY_USAGE_item_tt = { .flags = ASN1_TFLG_SEQUENCE_OF, .tag = 0, .offset = 0, .field_name = "EXTENDED_KEY_USAGE", .item = &ASN1_OBJECT_it, }; const ASN1_ITEM EXTENDED_KEY_USAGE_it = { .itype = ASN1_ITYPE_PRIMITIVE, .utype = -1, .templates = &EXTENDED_KEY_USAGE_item_tt, .tcount = 0, .funcs = NULL, .size = 0, .sname = "EXTENDED_KEY_USAGE", }; LCRYPTO_ALIAS(EXTENDED_KEY_USAGE_it); EXTENDED_KEY_USAGE * d2i_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE **a, const unsigned char **in, long len) { return (EXTENDED_KEY_USAGE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &EXTENDED_KEY_USAGE_it); } LCRYPTO_ALIAS(d2i_EXTENDED_KEY_USAGE); int i2d_EXTENDED_KEY_USAGE(EXTENDED_KEY_USAGE *a, unsigned char **out) { return ASN1_item_i2d((ASN1_VALUE *)a, out, &EXTENDED_KEY_USAGE_it); } LCRYPTO_ALIAS(i2d_EXTENDED_KEY_USAGE); EXTENDED_KEY_USAGE * EXTENDED_KEY_USAGE_new(void) { return (EXTENDED_KEY_USAGE *)ASN1_item_new(&EXTENDED_KEY_USAGE_it); } LCRYPTO_ALIAS(EXTENDED_KEY_USAGE_new); void EXTENDED_KEY_USAGE_free(EXTENDED_KEY_USAGE *a) { ASN1_item_free((ASN1_VALUE *)a, &EXTENDED_KEY_USAGE_it); } LCRYPTO_ALIAS(EXTENDED_KEY_USAGE_free); static STACK_OF(CONF_VALUE) * i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *extlist) { ASN1_OBJECT *obj; EXTENDED_KEY_USAGE *eku = a; STACK_OF(CONF_VALUE) *free_extlist = NULL; char obj_tmp[80]; int i; if (extlist == NULL) { if ((free_extlist = extlist = sk_CONF_VALUE_new_null()) == NULL) return NULL; } for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) { if ((obj = sk_ASN1_OBJECT_value(eku, i)) == NULL) goto err; if (!i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, obj)) goto err; if (!X509V3_add_value(NULL, obj_tmp, &extlist)) goto err; } return extlist; err: sk_CONF_VALUE_pop_free(free_extlist, X509V3_conf_free); return NULL; } static void * v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) { EXTENDED_KEY_USAGE *extku; char *extval; ASN1_OBJECT *objtmp; CONF_VALUE *val; int i; if (!(extku = sk_ASN1_OBJECT_new_null())) { X509V3error(ERR_R_MALLOC_FAILURE); return NULL; } for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { val = sk_CONF_VALUE_value(nval, i); if (val->value) extval = val->value; else extval = val->name; if (!(objtmp = OBJ_txt2obj(extval, 0))) { sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free); X509V3error(X509V3_R_INVALID_OBJECT_IDENTIFIER); X509V3_conf_err(val); return NULL; } if (sk_ASN1_OBJECT_push(extku, objtmp) == 0) { ASN1_OBJECT_free(objtmp); sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free); X509V3error(ERR_R_MALLOC_FAILURE); return NULL; } } return extku; }