/* $OpenBSD: x509_pmaps.c,v 1.1 2020/06/04 15:19:32 jsing 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 <stdio.h> #include <openssl/asn1t.h> #include <openssl/conf.h> #include <openssl/err.h> #include <openssl/x509v3.h> static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS( const X509V3_EXT_METHOD *method, void *pmps, STACK_OF(CONF_VALUE) *extlist); const X509V3_EXT_METHOD v3_policy_mappings = { .ext_nid = NID_policy_mappings, .ext_flags = 0, .it = &POLICY_MAPPINGS_it, .ext_new = NULL, .ext_free = NULL, .d2i = NULL, .i2d = NULL, .i2s = NULL, .s2i = NULL, .i2v = i2v_POLICY_MAPPINGS, .v2i = v2i_POLICY_MAPPINGS, .i2r = NULL, .r2i = NULL, .usr_data = NULL, }; static const ASN1_TEMPLATE POLICY_MAPPING_seq_tt[] = { { .flags = 0, .tag = 0, .offset = offsetof(POLICY_MAPPING, issuerDomainPolicy), .field_name = "issuerDomainPolicy", .item = &ASN1_OBJECT_it, }, { .flags = 0, .tag = 0, .offset = offsetof(POLICY_MAPPING, subjectDomainPolicy), .field_name = "subjectDomainPolicy", .item = &ASN1_OBJECT_it, }, }; const ASN1_ITEM POLICY_MAPPING_it = { .itype = ASN1_ITYPE_SEQUENCE, .utype = V_ASN1_SEQUENCE, .templates = POLICY_MAPPING_seq_tt, .tcount = sizeof(POLICY_MAPPING_seq_tt) / sizeof(ASN1_TEMPLATE), .funcs = NULL, .size = sizeof(POLICY_MAPPING), .sname = "POLICY_MAPPING", }; static const ASN1_TEMPLATE POLICY_MAPPINGS_item_tt = { .flags = ASN1_TFLG_SEQUENCE_OF, .tag = 0, .offset = 0, .field_name = "POLICY_MAPPINGS", .item = &POLICY_MAPPING_it, }; const ASN1_ITEM POLICY_MAPPINGS_it = { .itype = ASN1_ITYPE_PRIMITIVE, .utype = -1, .templates = &POLICY_MAPPINGS_item_tt, .tcount = 0, .funcs = NULL, .size = 0, .sname = "POLICY_MAPPINGS", }; POLICY_MAPPING * POLICY_MAPPING_new(void) { return (POLICY_MAPPING*)ASN1_item_new(&POLICY_MAPPING_it); } void POLICY_MAPPING_free(POLICY_MAPPING *a) { ASN1_item_free((ASN1_VALUE *)a, &POLICY_MAPPING_it); } static STACK_OF(CONF_VALUE) * i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *extlist) { STACK_OF(CONF_VALUE) *free_extlist = NULL; POLICY_MAPPINGS *pmaps = a; POLICY_MAPPING *pmap; char issuer[80], subject[80]; int i; if (extlist == NULL) { if ((free_extlist = extlist = sk_CONF_VALUE_new_null()) == NULL) return NULL; } for (i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) { if ((pmap = sk_POLICY_MAPPING_value(pmaps, i)) == NULL) goto err; if (!i2t_ASN1_OBJECT(issuer, sizeof issuer, pmap->issuerDomainPolicy)) goto err; if (!i2t_ASN1_OBJECT(subject, sizeof subject, pmap->subjectDomainPolicy)) goto err; if (!X509V3_add_value(issuer, subject, &extlist)) goto err; } return extlist; err: sk_CONF_VALUE_pop_free(free_extlist, X509V3_conf_free); return NULL; } static void * v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) { POLICY_MAPPINGS *pmaps = NULL; POLICY_MAPPING *pmap = NULL; ASN1_OBJECT *obj1 = NULL, *obj2 = NULL; CONF_VALUE *val; int i, rc; if (!(pmaps = sk_POLICY_MAPPING_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 || !val->name) { rc = X509V3_R_INVALID_OBJECT_IDENTIFIER; goto err; } obj1 = OBJ_txt2obj(val->name, 0); obj2 = OBJ_txt2obj(val->value, 0); if (!obj1 || !obj2) { rc = X509V3_R_INVALID_OBJECT_IDENTIFIER; goto err; } pmap = POLICY_MAPPING_new(); if (!pmap) { rc = ERR_R_MALLOC_FAILURE; goto err; } pmap->issuerDomainPolicy = obj1; pmap->subjectDomainPolicy = obj2; obj1 = obj2 = NULL; if (sk_POLICY_MAPPING_push(pmaps, pmap) == 0) { rc = ERR_R_MALLOC_FAILURE; goto err; } pmap = NULL; } return pmaps; err: sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free); X509V3error(rc); if (rc == X509V3_R_INVALID_OBJECT_IDENTIFIER) X509V3_conf_err(val); ASN1_OBJECT_free(obj1); ASN1_OBJECT_free(obj2); POLICY_MAPPING_free(pmap); return NULL; }