1 /* v3_extku.c */ 2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 3 * project 1999. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 1999 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) cryptsoft.com). */ 56 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 67 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, 68 X509V3_CTX *ctx, 69 STACK_OF(CONF_VALUE) *nval); 70 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, 71 void *eku, STACK_OF(CONF_VALUE) *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) * 103 i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a, 104 STACK_OF(CONF_VALUE) *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, STACK_OF(CONF_VALUE) *nval) 120 { 121 EXTENDED_KEY_USAGE *extku; 122 char *extval; 123 ASN1_OBJECT *objtmp; 124 CONF_VALUE *val; 125 size_t i; 126 127 if(!(extku = sk_ASN1_OBJECT_new_null())) { 128 OPENSSL_PUT_ERROR(X509V3, v2i_EXTENDED_KEY_USAGE, ERR_R_MALLOC_FAILURE); 129 return NULL; 130 } 131 132 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { 133 val = sk_CONF_VALUE_value(nval, i); 134 if(val->value) extval = val->value; 135 else extval = val->name; 136 if(!(objtmp = OBJ_txt2obj(extval, 0))) { 137 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free); 138 OPENSSL_PUT_ERROR(X509V3, v2i_EXTENDED_KEY_USAGE, X509V3_R_INVALID_OBJECT_IDENTIFIER); 139 X509V3_conf_err(val); 140 return NULL; 141 } 142 sk_ASN1_OBJECT_push(extku, objtmp); 143 } 144 return extku; 145 } 146
