1 /* v3_extku.c */ 2 /* 3 * Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL project 4 * 1999. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing (at) OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay (at) cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh (at) cryptsoft.com). */ 57 58 #include <stdio.h> 59 60 #include <openssl/asn1t.h> 61 #include <openssl/conf.h> 62 #include <openssl/err.h> 63 #include <openssl/obj.h> 64 #include <openssl/x509v3.h> 65 66 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, 67 X509V3_CTX *ctx, 68 STACK_OF(CONF_VALUE) *nval); 69 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD 70 *method, void *eku, STACK_OF(CONF_VALUE) 71 *extlist); 72 73 const X509V3_EXT_METHOD v3_ext_ku = { 74 NID_ext_key_usage, 0, 75 ASN1_ITEM_ref(EXTENDED_KEY_USAGE), 76 0, 0, 0, 0, 77 0, 0, 78 i2v_EXTENDED_KEY_USAGE, 79 v2i_EXTENDED_KEY_USAGE, 80 0, 0, 81 NULL 82 }; 83 84 /* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */ 85 const X509V3_EXT_METHOD v3_ocsp_accresp = { 86 NID_id_pkix_OCSP_acceptableResponses, 0, 87 ASN1_ITEM_ref(EXTENDED_KEY_USAGE), 88 0, 0, 0, 0, 89 0, 0, 90 i2v_EXTENDED_KEY_USAGE, 91 v2i_EXTENDED_KEY_USAGE, 92 0, 0, 93 NULL 94 }; 95 96 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) = 97 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT) 98 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE) 99 100 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE) 101 102 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD 103 *method, void *a, STACK_OF(CONF_VALUE) 104 *ext_list) 105 { 106 EXTENDED_KEY_USAGE *eku = a; 107 size_t i; 108 ASN1_OBJECT *obj; 109 char obj_tmp[80]; 110 for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) { 111 obj = sk_ASN1_OBJECT_value(eku, i); 112 i2t_ASN1_OBJECT(obj_tmp, 80, obj); 113 X509V3_add_value(NULL, obj_tmp, &ext_list); 114 } 115 return ext_list; 116 } 117 118 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, 119 X509V3_CTX *ctx, 120 STACK_OF(CONF_VALUE) *nval) 121 { 122 EXTENDED_KEY_USAGE *extku; 123 char *extval; 124 ASN1_OBJECT *objtmp; 125 CONF_VALUE *val; 126 size_t i; 127 128 if (!(extku = sk_ASN1_OBJECT_new_null())) { 129 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 130 return NULL; 131 } 132 133 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { 134 val = sk_CONF_VALUE_value(nval, i); 135 if (val->value) 136 extval = val->value; 137 else 138 extval = val->name; 139 if (!(objtmp = OBJ_txt2obj(extval, 0))) { 140 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free); 141 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER); 142 X509V3_conf_err(val); 143 return NULL; 144 } 145 sk_ASN1_OBJECT_push(extku, objtmp); 146 } 147 return extku; 148 } 149
