1 /* $OpenBSD: cms_att.c,v 1.11 2023/07/08 08:26:26 beck Exp $ */ 2 /* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 4 * project. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 2008 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@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 55 #include <openssl/asn1t.h> 56 #include <openssl/pem.h> 57 #include <openssl/x509v3.h> 58 #include <openssl/err.h> 59 #include <openssl/cms.h> 60 #include "cms_local.h" 61 62 /* CMS SignedData Attribute utilities */ 63 64 int 65 CMS_signed_get_attr_count(const CMS_SignerInfo *si) 66 { 67 return X509at_get_attr_count(si->signedAttrs); 68 } 69 LCRYPTO_ALIAS(CMS_signed_get_attr_count); 70 71 int 72 CMS_signed_get_attr_by_NID(const CMS_SignerInfo *si, int nid, int lastpos) 73 { 74 return X509at_get_attr_by_NID(si->signedAttrs, nid, lastpos); 75 } 76 LCRYPTO_ALIAS(CMS_signed_get_attr_by_NID); 77 78 int 79 CMS_signed_get_attr_by_OBJ(const CMS_SignerInfo *si, const ASN1_OBJECT *obj, 80 int lastpos) 81 { 82 return X509at_get_attr_by_OBJ(si->signedAttrs, obj, lastpos); 83 } 84 LCRYPTO_ALIAS(CMS_signed_get_attr_by_OBJ); 85 86 X509_ATTRIBUTE * 87 CMS_signed_get_attr(const CMS_SignerInfo *si, int loc) 88 { 89 return X509at_get_attr(si->signedAttrs, loc); 90 } 91 LCRYPTO_ALIAS(CMS_signed_get_attr); 92 93 X509_ATTRIBUTE * 94 CMS_signed_delete_attr(CMS_SignerInfo *si, int loc) 95 { 96 return X509at_delete_attr(si->signedAttrs, loc); 97 } 98 LCRYPTO_ALIAS(CMS_signed_delete_attr); 99 100 int 101 CMS_signed_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr) 102 { 103 if (X509at_add1_attr(&si->signedAttrs, attr)) 104 return 1; 105 return 0; 106 } 107 LCRYPTO_ALIAS(CMS_signed_add1_attr); 108 109 int 110 CMS_signed_add1_attr_by_OBJ(CMS_SignerInfo *si, const ASN1_OBJECT *obj, int type, 111 const void *bytes, int len) 112 { 113 if (X509at_add1_attr_by_OBJ(&si->signedAttrs, obj, type, bytes, len)) 114 return 1; 115 return 0; 116 } 117 LCRYPTO_ALIAS(CMS_signed_add1_attr_by_OBJ); 118 119 int 120 CMS_signed_add1_attr_by_NID(CMS_SignerInfo *si, int nid, int type, 121 const void *bytes, int len) 122 { 123 if (X509at_add1_attr_by_NID(&si->signedAttrs, nid, type, bytes, len)) 124 return 1; 125 return 0; 126 } 127 LCRYPTO_ALIAS(CMS_signed_add1_attr_by_NID); 128 129 int 130 CMS_signed_add1_attr_by_txt(CMS_SignerInfo *si, const char *attrname, int type, 131 const void *bytes, int len) 132 { 133 if (X509at_add1_attr_by_txt(&si->signedAttrs, attrname, type, bytes, len)) 134 return 1; 135 return 0; 136 } 137 LCRYPTO_ALIAS(CMS_signed_add1_attr_by_txt); 138 139 void * 140 CMS_signed_get0_data_by_OBJ(CMS_SignerInfo *si, const ASN1_OBJECT *oid, 141 int lastpos, int type) 142 { 143 return X509at_get0_data_by_OBJ(si->signedAttrs, oid, lastpos, type); 144 } 145 LCRYPTO_ALIAS(CMS_signed_get0_data_by_OBJ); 146 147 int 148 CMS_unsigned_get_attr_count(const CMS_SignerInfo *si) 149 { 150 return X509at_get_attr_count(si->unsignedAttrs); 151 } 152 LCRYPTO_ALIAS(CMS_unsigned_get_attr_count); 153 154 int 155 CMS_unsigned_get_attr_by_NID(const CMS_SignerInfo *si, int nid, int lastpos) 156 { 157 return X509at_get_attr_by_NID(si->unsignedAttrs, nid, lastpos); 158 } 159 LCRYPTO_ALIAS(CMS_unsigned_get_attr_by_NID); 160 161 int 162 CMS_unsigned_get_attr_by_OBJ(const CMS_SignerInfo *si, const ASN1_OBJECT *obj, 163 int lastpos) 164 { 165 return X509at_get_attr_by_OBJ(si->unsignedAttrs, obj, lastpos); 166 } 167 LCRYPTO_ALIAS(CMS_unsigned_get_attr_by_OBJ); 168 169 X509_ATTRIBUTE * 170 CMS_unsigned_get_attr(const CMS_SignerInfo *si, int loc) 171 { 172 return X509at_get_attr(si->unsignedAttrs, loc); 173 } 174 LCRYPTO_ALIAS(CMS_unsigned_get_attr); 175 176 X509_ATTRIBUTE * 177 CMS_unsigned_delete_attr(CMS_SignerInfo *si, int loc) 178 { 179 return X509at_delete_attr(si->unsignedAttrs, loc); 180 } 181 LCRYPTO_ALIAS(CMS_unsigned_delete_attr); 182 183 int 184 CMS_unsigned_add1_attr(CMS_SignerInfo *si, X509_ATTRIBUTE *attr) 185 { 186 if (X509at_add1_attr(&si->unsignedAttrs, attr)) 187 return 1; 188 return 0; 189 } 190 LCRYPTO_ALIAS(CMS_unsigned_add1_attr); 191 192 int 193 CMS_unsigned_add1_attr_by_OBJ(CMS_SignerInfo *si, const ASN1_OBJECT *obj, 194 int type, const void *bytes, int len) 195 { 196 if (X509at_add1_attr_by_OBJ(&si->unsignedAttrs, obj, type, bytes, len)) 197 return 1; 198 return 0; 199 } 200 LCRYPTO_ALIAS(CMS_unsigned_add1_attr_by_OBJ); 201 202 int 203 CMS_unsigned_add1_attr_by_NID(CMS_SignerInfo *si, int nid, int type, 204 const void *bytes, int len) 205 { 206 if (X509at_add1_attr_by_NID(&si->unsignedAttrs, nid, type, bytes, len)) 207 return 1; 208 return 0; 209 } 210 LCRYPTO_ALIAS(CMS_unsigned_add1_attr_by_NID); 211 212 int 213 CMS_unsigned_add1_attr_by_txt(CMS_SignerInfo *si, const char *attrname, 214 int type, const void *bytes, int len) 215 { 216 if (X509at_add1_attr_by_txt(&si->unsignedAttrs, attrname, type, 217 bytes, len)) 218 return 1; 219 return 0; 220 } 221 LCRYPTO_ALIAS(CMS_unsigned_add1_attr_by_txt); 222 223 void * 224 CMS_unsigned_get0_data_by_OBJ(CMS_SignerInfo *si, ASN1_OBJECT *oid, int lastpos, 225 int type) 226 { 227 return X509at_get0_data_by_OBJ(si->unsignedAttrs, oid, lastpos, type); 228 } 229 LCRYPTO_ALIAS(CMS_unsigned_get0_data_by_OBJ); 230 231 /* Specific attribute cases */ 232