lib/libcrypto/pkcs12/p12_attr.c

   1 /* $OpenBSD: p12_attr.c,v 1.12 2018/08/24 20:07:41 tb Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@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@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@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <stdio.h>
  60
  61 #include <openssl/pkcs12.h>
  62
  63 /* Add a local keyid to a safebag */
  64
  65 int
  66 PKCS12_add_localkeyid(PKCS12_SAFEBAG *bag, unsigned char *name, int namelen)
  67 {
  68         if (X509at_add1_attr_by_NID(&bag->attrib, NID_localKeyID,
  69             V_ASN1_OCTET_STRING, name, namelen))
  70                 return 1;
  71         else
  72                 return 0;
  73 }
  74
  75 /* Add key usage to PKCS#8 structure */
  76
  77 int
  78 PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage)
  79 {
  80         unsigned char us_val = (unsigned char)usage;
  81
  82         return PKCS8_pkey_add1_attr_by_NID(p8, NID_key_usage, V_ASN1_BIT_STRING,
  83             &us_val, 1);
  84 }
  85
  86 /* Add a friendlyname to a safebag */
  87
  88 int
  89 PKCS12_add_friendlyname_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
  90 {
  91         if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
  92             MBSTRING_ASC, (unsigned char *)name, namelen))
  93                 return 1;
  94         else
  95                 return 0;
  96 }
  97
  98
  99 int
 100 PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag, const unsigned char *name,
 101     int namelen)
 102 {
 103         if (X509at_add1_attr_by_NID(&bag->attrib, NID_friendlyName,
 104             MBSTRING_BMP, name, namelen))
 105                 return 1;
 106         else
 107                 return 0;
 108 }
 109
 110 int
 111 PKCS12_add_CSPName_asc(PKCS12_SAFEBAG *bag, const char *name, int namelen)
 112 {
 113         if (X509at_add1_attr_by_NID(&bag->attrib, NID_ms_csp_name,
 114             MBSTRING_ASC, (unsigned char *)name, namelen))
 115                 return 1;
 116         else
 117                 return 0;
 118 }
 119
 120 ASN1_TYPE *
 121 PKCS12_get_attr_gen(const STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
 122 {
 123         X509_ATTRIBUTE *attrib;
 124         int i;
 125
 126         if (!attrs)
 127                 return NULL;
 128         for (i = 0; i < sk_X509_ATTRIBUTE_num (attrs); i++) {
 129                 attrib = sk_X509_ATTRIBUTE_value (attrs, i);
 130                 if (OBJ_obj2nid (attrib->object) == attr_nid) {
 131                         if (sk_ASN1_TYPE_num (attrib->value.set))
 132                                 return sk_ASN1_TYPE_value(attrib->value.set, 0);
 133                         else
 134                                 return NULL;
 135                 }
 136         }
 137         return NULL;
 138 }
 139
 140 char *
 141 PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
 142 {
 143         ASN1_TYPE *atype;
 144
 145         if (!(atype = PKCS12_get_attr(bag, NID_friendlyName)))
 146                 return NULL;
 147         if (atype->type != V_ASN1_BMPSTRING)
 148                 return NULL;
 149         return OPENSSL_uni2asc(atype->value.bmpstring->data,
 150             atype->value.bmpstring->length);
 151 }