1/* v3_pcons.c */ 2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 3 * project. 4 */ 5/* ==================================================================== 6 * Copyright (c) 2003 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 60#include <stdio.h> 61#include "cryptlib.h" 62#include <openssl/asn1.h> 63#include <openssl/asn1t.h> 64#include <openssl/conf.h> 65#include <openssl/x509v3.h> 66 67static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method, 68 void *bcons, STACK_OF(CONF_VALUE) *extlist); 69static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method, 70 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); 71 72const X509V3_EXT_METHOD v3_policy_constraints = { 73NID_policy_constraints, 0, 74ASN1_ITEM_ref(POLICY_CONSTRAINTS), 750,0,0,0, 760,0, 77i2v_POLICY_CONSTRAINTS, 78v2i_POLICY_CONSTRAINTS, 79NULL,NULL, 80NULL 81}; 82 83ASN1_SEQUENCE(POLICY_CONSTRAINTS) = { 84 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0), 85 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1) 86} ASN1_SEQUENCE_END(POLICY_CONSTRAINTS) 87 88IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS) 89 90 91static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method, 92 void *a, STACK_OF(CONF_VALUE) *extlist) 93{ 94 POLICY_CONSTRAINTS *pcons = a; 95 X509V3_add_value_int("Require Explicit Policy", 96 pcons->requireExplicitPolicy, &extlist); 97 X509V3_add_value_int("Inhibit Policy Mapping", 98 pcons->inhibitPolicyMapping, &extlist); 99 return extlist; 100} 101 102static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method, 103 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) 104{ 105 POLICY_CONSTRAINTS *pcons=NULL; 106 CONF_VALUE *val; 107 int i; 108 if(!(pcons = POLICY_CONSTRAINTS_new())) { 109 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE); 110 return NULL; 111 } 112 for(i = 0; i < sk_CONF_VALUE_num(values); i++) { 113 val = sk_CONF_VALUE_value(values, i); 114 if(!strcmp(val->name, "requireExplicitPolicy")) { 115 if(!X509V3_get_value_int(val, 116 &pcons->requireExplicitPolicy)) goto err; 117 } else if(!strcmp(val->name, "inhibitPolicyMapping")) { 118 if(!X509V3_get_value_int(val, 119 &pcons->inhibitPolicyMapping)) goto err; 120 } else { 121 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME); 122 X509V3_conf_err(val); 123 goto err; 124 } 125 } 126 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) { 127 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_ILLEGAL_EMPTY_EXTENSION); 128 goto err; 129 } 130 131 return pcons; 132 err: 133 POLICY_CONSTRAINTS_free(pcons); 134 return NULL; 135} 136 137