1 /* 2 * Copyright 2003-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include "internal/cryptlib.h" 12 #include <openssl/asn1.h> 13 #include <openssl/asn1t.h> 14 #include <openssl/conf.h> 15 #include <openssl/x509v3.h> 16 #include "ext_dat.h" 17 18 static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD 19 *method, void *bcons, STACK_OF(CONF_VALUE) 20 *extlist); 21 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, 22 X509V3_CTX *ctx, 23 STACK_OF(CONF_VALUE) *values); 24 25 const X509V3_EXT_METHOD ossl_v3_policy_constraints = { 26 NID_policy_constraints, 0, 27 ASN1_ITEM_ref(POLICY_CONSTRAINTS), 28 0, 0, 0, 0, 29 0, 0, 30 i2v_POLICY_CONSTRAINTS, 31 v2i_POLICY_CONSTRAINTS, 32 NULL, NULL, 33 NULL 34 }; 35 36 ASN1_SEQUENCE(POLICY_CONSTRAINTS) = { 37 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0), 38 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1) 39 } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS) 40 41 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS) 42 43 static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD 44 *method, void *a, STACK_OF(CONF_VALUE) 45 *extlist) 46 { 47 POLICY_CONSTRAINTS *pcons = a; 48 X509V3_add_value_int("Require Explicit Policy", 49 pcons->requireExplicitPolicy, &extlist); 50 X509V3_add_value_int("Inhibit Policy Mapping", 51 pcons->inhibitPolicyMapping, &extlist); 52 return extlist; 53 } 54 55 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, 56 X509V3_CTX *ctx, 57 STACK_OF(CONF_VALUE) *values) 58 { 59 POLICY_CONSTRAINTS *pcons = NULL; 60 CONF_VALUE *val; 61 int i; 62 63 if ((pcons = POLICY_CONSTRAINTS_new()) == NULL) { 64 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 65 return NULL; 66 } 67 for (i = 0; i < sk_CONF_VALUE_num(values); i++) { 68 val = sk_CONF_VALUE_value(values, i); 69 if (strcmp(val->name, "requireExplicitPolicy") == 0) { 70 if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy)) 71 goto err; 72 } else if (strcmp(val->name, "inhibitPolicyMapping") == 0) { 73 if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping)) 74 goto err; 75 } else { 76 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_INVALID_NAME, 77 "%s", val->name); 78 goto err; 79 } 80 } 81 if (pcons->inhibitPolicyMapping == NULL 82 && pcons->requireExplicitPolicy == NULL) { 83 ERR_raise(ERR_LIB_X509V3, X509V3_R_ILLEGAL_EMPTY_EXTENSION); 84 goto err; 85 } 86 87 return pcons; 88 err: 89 POLICY_CONSTRAINTS_free(pcons); 90 return NULL; 91 } 92