crypto/pkcs12/p12_attr.c

   1 /* p12_attr.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 #include "cryptlib.h"
  61 #include <openssl/pkcs12.h>
  62
  63 /* Add a local keyid to a safebag */
  64
  65 int PKCS12_add_localkeyid (PKCS12_SAFEBAG *bag, unsigned char *name,
  66              int namelen)
  67 {
  68         X509_ATTRIBUTE *attrib;
  69         ASN1_BMPSTRING *oct;
  70         ASN1_TYPE *keyid;
  71         if (!(keyid = ASN1_TYPE_new ())) {
  72                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  73                 return 0;
  74         }
  75         keyid->type = V_ASN1_OCTET_STRING;
  76         if (!(oct = ASN1_OCTET_STRING_new())) {
  77                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  78                 return 0;
  79         }
  80         if (!ASN1_OCTET_STRING_set(oct, name, namelen)) {
  81                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  82                 return 0;
  83         }
  84         keyid->value.octet_string = oct;
  85         if (!(attrib = X509_ATTRIBUTE_new ())) {
  86                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  87                 return 0;
  88         }
  89         attrib->object = OBJ_nid2obj(NID_localKeyID);
  90         if (!(attrib->value.set = sk_ASN1_TYPE_new(NULL))) {
  91                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  92                 return 0;
  93         }
  94         sk_ASN1_TYPE_push (attrib->value.set,keyid);
  95         attrib->set = 1;
  96         if (!bag->attrib && !(bag->attrib = sk_X509_ATTRIBUTE_new (NULL))) {
  97                 PKCS12err(PKCS12_F_PKCS12_ADD_LOCALKEYID, ERR_R_MALLOC_FAILURE);
  98                 return 0;
  99         }
 100         sk_X509_ATTRIBUTE_push (bag->attrib, attrib);
 101         return 1;
 102 }
 103
 104 /* Add key usage to PKCS#8 structure */
 105
 106 int PKCS8_add_keyusage (PKCS8_PRIV_KEY_INFO *p8, int usage)
 107 {
 108         X509_ATTRIBUTE *attrib;
 109         ASN1_BIT_STRING *bstr;
 110         ASN1_TYPE *keyid;
 111         unsigned char us_val;
 112         us_val = (unsigned char) usage;
 113         if (!(keyid = ASN1_TYPE_new ())) {
 114                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 115                 return 0;
 116         }
 117         keyid->type = V_ASN1_BIT_STRING;
 118         if (!(bstr = ASN1_BIT_STRING_new())) {
 119                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 120                 return 0;
 121         }
 122         if (!ASN1_BIT_STRING_set(bstr, &us_val, 1)) {
 123                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 124                 return 0;
 125         }
 126         keyid->value.bit_string = bstr;
 127         if (!(attrib = X509_ATTRIBUTE_new ())) {
 128                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 129                 return 0;
 130         }
 131         attrib->object = OBJ_nid2obj(NID_key_usage);
 132         if (!(attrib->value.set = sk_ASN1_TYPE_new(NULL))) {
 133                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 134                 return 0;
 135         }
 136         sk_ASN1_TYPE_push (attrib->value.set,keyid);
 137         attrib->set = 1;
 138         if (!p8->attributes
 139             && !(p8->attributes = sk_X509_ATTRIBUTE_new (NULL))) {
 140                 PKCS12err(PKCS12_F_PKCS8_ADD_KEYUSAGE, ERR_R_MALLOC_FAILURE);
 141                 return 0;
 142         }
 143         sk_X509_ATTRIBUTE_push (p8->attributes, attrib);
 144         return 1;
 145 }
 146
 147 /* Add a friendlyname to a safebag */
 148
 149 int PKCS12_add_friendlyname_asc (PKCS12_SAFEBAG *bag, const char *name,
 150                                  int namelen)
 151 {
 152         unsigned char *uniname;
 153         int ret, unilen;
 154         if (!asc2uni(name, &uniname, &unilen)) {
 155                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_ASC,
 156                                                         ERR_R_MALLOC_FAILURE);
 157                 return 0;
 158         }
 159         ret = PKCS12_add_friendlyname_uni (bag, uniname, unilen);
 160         Free(uniname);
 161         return ret;
 162 }
 163
 164
 165 int PKCS12_add_friendlyname_uni (PKCS12_SAFEBAG *bag,
 166                                  const unsigned char *name, int namelen)
 167 {
 168         X509_ATTRIBUTE *attrib;
 169         ASN1_BMPSTRING *bmp;
 170         ASN1_TYPE *fname;
 171         /* Zap ending double null if included */
 172         if(!name[namelen - 1] && !name[namelen - 2]) namelen -= 2;
 173         if (!(fname = ASN1_TYPE_new ())) {
 174                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_UNI,
 175                                                         ERR_R_MALLOC_FAILURE);
 176                 return 0;
 177         }
 178         fname->type = V_ASN1_BMPSTRING;
 179         if (!(bmp = ASN1_BMPSTRING_new())) {
 180                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_UNI,
 181                                                         ERR_R_MALLOC_FAILURE);
 182                 return 0;
 183         }
 184         if (!(bmp->data = Malloc (namelen))) {
 185                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_UNI,
 186                                                         ERR_R_MALLOC_FAILURE);
 187                 return 0;
 188         }
 189         memcpy (bmp->data, name, namelen);
 190         bmp->length = namelen;
 191         fname->value.bmpstring = bmp;
 192         if (!(attrib = X509_ATTRIBUTE_new ())) {
 193                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_UNI,
 194                                                         ERR_R_MALLOC_FAILURE);
 195                 return 0;
 196         }
 197         attrib->object = OBJ_nid2obj(NID_friendlyName);
 198         if (!(attrib->value.set = sk_ASN1_TYPE_new(NULL))) {
 199                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME,
 200                                                         ERR_R_MALLOC_FAILURE);
 201                 return 0;
 202         }
 203         sk_ASN1_TYPE_push (attrib->value.set,fname);
 204         attrib->set = 1;
 205         if (!bag->attrib && !(bag->attrib = sk_X509_ATTRIBUTE_new (NULL))) {
 206                 PKCS12err(PKCS12_F_PKCS12_ADD_FRIENDLYNAME_UNI,
 207                                                         ERR_R_MALLOC_FAILURE);
 208                 return 0;
 209         }
 210         sk_X509_ATTRIBUTE_push (bag->attrib, attrib);
 211         return PKCS12_OK;
 212 }
 213
 214 ASN1_TYPE *PKCS12_get_attr_gen (STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid)
 215 {
 216         X509_ATTRIBUTE *attrib;
 217         int i;
 218         if (!attrs) return NULL;
 219         for (i = 0; i < sk_X509_ATTRIBUTE_num (attrs); i++) {
 220                 attrib = sk_X509_ATTRIBUTE_value (attrs, i);
 221                 if (OBJ_obj2nid (attrib->object) == attr_nid) {
 222                         if (sk_ASN1_TYPE_num (attrib->value.set))
 223                             return sk_ASN1_TYPE_value(attrib->value.set, 0);
 224                         else return NULL;
 225                 }
 226         }
 227         return NULL;
 228 }
 229
 230 char *PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
 231 {
 232         ASN1_TYPE *atype;
 233         if (!(atype = PKCS12_get_attr(bag, NID_friendlyName))) return NULL;
 234         if (atype->type != V_ASN1_BMPSTRING) return NULL;
 235         return uni2asc(atype->value.bmpstring->data,
 236                                  atype->value.bmpstring->length);
 237 }
 238