1 /* $OpenBSD: x_attrib.c,v 1.21 2023/07/28 13:30:07 jsg Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 61 #include <openssl/asn1t.h> 62 #include <openssl/objects.h> 63 #include <openssl/x509.h> 64 65 #include "x509_local.h" 66 67 static const ASN1_TEMPLATE X509_ATTRIBUTE_seq_tt[] = { 68 { 69 .flags = 0, 70 .tag = 0, 71 .offset = offsetof(X509_ATTRIBUTE, object), 72 .field_name = "object", 73 .item = &ASN1_OBJECT_it, 74 }, 75 { 76 .flags = ASN1_TFLG_SET_OF, 77 .tag = 0, 78 .offset = offsetof(X509_ATTRIBUTE, set), 79 .field_name = "set", 80 .item = &ASN1_ANY_it, 81 }, 82 }; 83 84 const ASN1_ITEM X509_ATTRIBUTE_it = { 85 .itype = ASN1_ITYPE_SEQUENCE, 86 .utype = V_ASN1_SEQUENCE, 87 .templates = X509_ATTRIBUTE_seq_tt, 88 .tcount = sizeof(X509_ATTRIBUTE_seq_tt) / sizeof(ASN1_TEMPLATE), 89 .funcs = NULL, 90 .size = sizeof(X509_ATTRIBUTE), 91 .sname = "X509_ATTRIBUTE", 92 }; 93 94 95 X509_ATTRIBUTE * 96 d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, const unsigned char **in, long len) 97 { 98 return (X509_ATTRIBUTE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, 99 &X509_ATTRIBUTE_it); 100 } 101 102 int 103 i2d_X509_ATTRIBUTE(X509_ATTRIBUTE *a, unsigned char **out) 104 { 105 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ATTRIBUTE_it); 106 } 107 108 X509_ATTRIBUTE * 109 X509_ATTRIBUTE_new(void) 110 { 111 return (X509_ATTRIBUTE *)ASN1_item_new(&X509_ATTRIBUTE_it); 112 } 113 114 void 115 X509_ATTRIBUTE_free(X509_ATTRIBUTE *a) 116 { 117 ASN1_item_free((ASN1_VALUE *)a, &X509_ATTRIBUTE_it); 118 } 119 120 X509_ATTRIBUTE * 121 X509_ATTRIBUTE_dup(X509_ATTRIBUTE *x) 122 { 123 return ASN1_item_dup(&X509_ATTRIBUTE_it, x); 124 } 125 126 X509_ATTRIBUTE * 127 X509_ATTRIBUTE_create(int nid, int atrtype, void *value) 128 { 129 X509_ATTRIBUTE *ret = NULL; 130 ASN1_TYPE *val = NULL; 131 ASN1_OBJECT *oid; 132 133 if ((oid = OBJ_nid2obj(nid)) == NULL) 134 return (NULL); 135 if ((ret = X509_ATTRIBUTE_new()) == NULL) 136 return (NULL); 137 ret->object = oid; 138 if ((val = ASN1_TYPE_new()) == NULL) 139 goto err; 140 if (!sk_ASN1_TYPE_push(ret->set, val)) 141 goto err; 142 143 ASN1_TYPE_set(val, atrtype, value); 144 return (ret); 145 146 err: 147 if (ret != NULL) 148 X509_ATTRIBUTE_free(ret); 149 if (val != NULL) 150 ASN1_TYPE_free(val); 151 return (NULL); 152 } 153