crypto/openssl-0.9/crypto/pkcs12/p12_crt.c

   1 /* p12_crt.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999-2002 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
  64 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag);
  65
  66 static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
  67         {
  68         int idx;
  69         X509_ATTRIBUTE *attr;
  70         idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
  71         if (idx < 0)
  72                 return 1;
  73         attr = EVP_PKEY_get_attr(pkey, idx);
  74         if (!X509at_add1_attr(&bag->attrib, attr))
  75                 return 0;
  76         return 1;
  77         }
  78
  79 PKCS12 *PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert,
  80              STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter,
  81              int keytype)
  82 {
  83         PKCS12 *p12 = NULL;
  84         STACK_OF(PKCS7) *safes = NULL;
  85         STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
  86         PKCS12_SAFEBAG *bag = NULL;
  87         int i;
  88         unsigned char keyid[EVP_MAX_MD_SIZE];
  89         unsigned int keyidlen = 0;
  90
  91         /* Set defaults */
  92         if (!nid_cert)
  93                 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC;
  94         if (!nid_key)
  95                 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
  96         if (!iter)
  97                 iter = PKCS12_DEFAULT_ITER;
  98         if (!mac_iter)
  99                 mac_iter = 1;
 100
 101         if(!pkey && !cert && !ca)
 102                 {
 103                 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT);
 104                 return NULL;
 105                 }
 106
 107         if (pkey && cert)
 108                 {
 109                 if(!X509_check_private_key(cert, pkey))
 110                         return NULL;
 111                 X509_digest(cert, EVP_sha1(), keyid, &keyidlen);
 112                 }
 113
 114         if (cert)
 115                 {
 116                 bag = PKCS12_add_cert(&bags, cert);
 117                 if(name && !PKCS12_add_friendlyname(bag, name, -1))
 118                         goto err;
 119                 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 120                         goto err;
 121                 }
 122
 123         /* Add all other certificates */
 124         for(i = 0; i < sk_X509_num(ca); i++)
 125                 {
 126                 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
 127                         goto err;
 128                 }
 129
 130         if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass))
 131                         goto err;
 132
 133         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 134         bags = NULL;
 135
 136         if (pkey)
 137                 {
 138                 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass);
 139
 140                 if (!bag)
 141                         goto err;
 142
 143                 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
 144                         goto err;
 145                 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
 146                         goto err;
 147
 148                 if(name && !PKCS12_add_friendlyname(bag, name, -1))
 149                         goto err;
 150                 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 151                         goto err;
 152                 }
 153
 154         if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
 155                         goto err;
 156
 157         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 158         bags = NULL;
 159
 160         p12 = PKCS12_add_safes(safes, 0);
 161
 162         sk_PKCS7_pop_free(safes, PKCS7_free);
 163
 164         safes = NULL;
 165
 166         if ((mac_iter != -1) &&
 167                 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
 168             goto err;
 169
 170         return p12;
 171
 172         err:
 173
 174         if (p12)
 175                 PKCS12_free(p12);
 176         if (safes)
 177                 sk_PKCS7_pop_free(safes, PKCS7_free);
 178         if (bags)
 179                 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 180         return NULL;
 181
 182 }
 183
 184 PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
 185         {
 186         PKCS12_SAFEBAG *bag = NULL;
 187         char *name;
 188         int namelen = -1;
 189         unsigned char *keyid;
 190         int keyidlen = -1;
 191
 192         /* Add user certificate */
 193         if(!(bag = PKCS12_x5092certbag(cert)))
 194                 goto err;
 195
 196         /* Use friendlyName and localKeyID in certificate.
 197          * (if present)
 198          */
 199
 200         name = (char *)X509_alias_get0(cert, &namelen);
 201
 202         if(name && !PKCS12_add_friendlyname(bag, name, namelen))
 203                 goto err;
 204
 205         keyid = X509_keyid_get0(cert, &keyidlen);
 206
 207         if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 208                 goto err;
 209
 210         if (!pkcs12_add_bag(pbags, bag))
 211                 goto err;
 212
 213         return bag;
 214
 215         err:
 216
 217         if (bag)
 218                 PKCS12_SAFEBAG_free(bag);
 219
 220         return NULL;
 221
 222         }
 223
 224 PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key,
 225                                                 int key_usage, int iter,
 226                                                 int nid_key, char *pass)
 227         {
 228
 229         PKCS12_SAFEBAG *bag = NULL;
 230         PKCS8_PRIV_KEY_INFO *p8 = NULL;
 231
 232         /* Make a PKCS#8 structure */
 233         if(!(p8 = EVP_PKEY2PKCS8(key)))
 234                 goto err;
 235         if(key_usage && !PKCS8_add_keyusage(p8, key_usage))
 236                 goto err;
 237         if (nid_key != -1)
 238                 {
 239                 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8);
 240                 PKCS8_PRIV_KEY_INFO_free(p8);
 241                 }
 242         else
 243                 bag = PKCS12_MAKE_KEYBAG(p8);
 244
 245         if(!bag)
 246                 goto err;
 247
 248         if (!pkcs12_add_bag(pbags, bag))
 249                 goto err;
 250
 251         return bag;
 252
 253         err:
 254
 255         if (bag)
 256                 PKCS12_SAFEBAG_free(bag);
 257
 258         return NULL;
 259
 260         }
 261
 262 int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
 263                                                 int nid_safe, int iter, char *pass)
 264         {
 265         PKCS7 *p7 = NULL;
 266         int free_safes = 0;
 267
 268         if (!*psafes)
 269                 {
 270                 *psafes = sk_PKCS7_new_null();
 271                 if (!*psafes)
 272                         return 0;
 273                 free_safes = 1;
 274                 }
 275         else
 276                 free_safes = 0;
 277
 278         if (nid_safe == 0)
 279                 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
 280
 281         if (nid_safe == -1)
 282                 p7 = PKCS12_pack_p7data(bags);
 283         else
 284                 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0,
 285                                           iter, bags);
 286         if (!p7)
 287                 goto err;
 288
 289         if (!sk_PKCS7_push(*psafes, p7))
 290                 goto err;
 291
 292         return 1;
 293
 294         err:
 295         if (free_safes)
 296                 {
 297                 sk_PKCS7_free(*psafes);
 298                 *psafes = NULL;
 299                 }
 300
 301         if (p7)
 302                 PKCS7_free(p7);
 303
 304         return 0;
 305
 306         }
 307
 308 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag)
 309         {
 310         int free_bags;
 311         if (!pbags)
 312                 return 1;
 313         if (!*pbags)
 314                 {
 315                 *pbags = sk_PKCS12_SAFEBAG_new_null();
 316                 if (!*pbags)
 317                         return 0;
 318                 free_bags = 1;
 319                 }
 320         else
 321                 free_bags = 0;
 322
 323         if (!sk_PKCS12_SAFEBAG_push(*pbags, bag))
 324                 {
 325                 if (free_bags)
 326                         {
 327                         sk_PKCS12_SAFEBAG_free(*pbags);
 328                         *pbags = NULL;
 329                         }
 330                 return 0;
 331                 }
 332
 333         return 1;
 334
 335         }
 336
 337
 338 PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
 339         {
 340         PKCS12 *p12;
 341         if (nid_p7 <= 0)
 342                 nid_p7 = NID_pkcs7_data;
 343         p12 = PKCS12_init(nid_p7);
 344
 345         if (!p12)
 346                 return NULL;
 347
 348         if(!PKCS12_pack_authsafes(p12, safes))
 349                 {
 350                 PKCS12_free(p12);
 351                 return NULL;
 352                 }
 353
 354         return p12;
 355
 356         }