release/src/router/openssl/crypto/pkcs12/p12_crt.c

   1 /* p12_crt.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) 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                 {
  94 #ifdef OPENSSL_FIPS
  95                 if (FIPS_mode())
  96                         nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
  97                 else
  98 #endif
  99 #ifdef OPENSSL_NO_RC2
 100                 nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 101 #else
 102                 nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC;
 103 #endif
 104                 }
 105         if (!nid_key)
 106                 nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 107         if (!iter)
 108                 iter = PKCS12_DEFAULT_ITER;
 109         if (!mac_iter)
 110                 mac_iter = 1;
 111
 112         if(!pkey && !cert && !ca)
 113                 {
 114                 PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT);
 115                 return NULL;
 116                 }
 117
 118         if (pkey && cert)
 119                 {
 120                 if(!X509_check_private_key(cert, pkey))
 121                         return NULL;
 122                 X509_digest(cert, EVP_sha1(), keyid, &keyidlen);
 123                 }
 124
 125         if (cert)
 126                 {
 127                 bag = PKCS12_add_cert(&bags, cert);
 128                 if(name && !PKCS12_add_friendlyname(bag, name, -1))
 129                         goto err;
 130                 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 131                         goto err;
 132                 }
 133
 134         /* Add all other certificates */
 135         for(i = 0; i < sk_X509_num(ca); i++)
 136                 {
 137                 if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
 138                         goto err;
 139                 }
 140
 141         if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass))
 142                         goto err;
 143
 144         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 145         bags = NULL;
 146
 147         if (pkey)
 148                 {
 149                 bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass);
 150
 151                 if (!bag)
 152                         goto err;
 153
 154                 if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
 155                         goto err;
 156                 if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
 157                         goto err;
 158
 159                 if(name && !PKCS12_add_friendlyname(bag, name, -1))
 160                         goto err;
 161                 if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 162                         goto err;
 163                 }
 164
 165         if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
 166                         goto err;
 167
 168         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 169         bags = NULL;
 170
 171         p12 = PKCS12_add_safes(safes, 0);
 172
 173         if (!p12)
 174                 goto err;
 175
 176         sk_PKCS7_pop_free(safes, PKCS7_free);
 177
 178         safes = NULL;
 179
 180         if ((mac_iter != -1) &&
 181                 !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
 182             goto err;
 183
 184         return p12;
 185
 186         err:
 187
 188         if (p12)
 189                 PKCS12_free(p12);
 190         if (safes)
 191                 sk_PKCS7_pop_free(safes, PKCS7_free);
 192         if (bags)
 193                 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 194         return NULL;
 195
 196 }
 197
 198 PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
 199         {
 200         PKCS12_SAFEBAG *bag = NULL;
 201         char *name;
 202         int namelen = -1;
 203         unsigned char *keyid;
 204         int keyidlen = -1;
 205
 206         /* Add user certificate */
 207         if(!(bag = PKCS12_x5092certbag(cert)))
 208                 goto err;
 209
 210         /* Use friendlyName and localKeyID in certificate.
 211          * (if present)
 212          */
 213
 214         name = (char *)X509_alias_get0(cert, &namelen);
 215
 216         if(name && !PKCS12_add_friendlyname(bag, name, namelen))
 217                 goto err;
 218
 219         keyid = X509_keyid_get0(cert, &keyidlen);
 220
 221         if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
 222                 goto err;
 223
 224         if (!pkcs12_add_bag(pbags, bag))
 225                 goto err;
 226
 227         return bag;
 228
 229         err:
 230
 231         if (bag)
 232                 PKCS12_SAFEBAG_free(bag);
 233
 234         return NULL;
 235
 236         }
 237
 238 PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key,
 239                                                 int key_usage, int iter,
 240                                                 int nid_key, char *pass)
 241         {
 242
 243         PKCS12_SAFEBAG *bag = NULL;
 244         PKCS8_PRIV_KEY_INFO *p8 = NULL;
 245
 246         /* Make a PKCS#8 structure */
 247         if(!(p8 = EVP_PKEY2PKCS8(key)))
 248                 goto err;
 249         if(key_usage && !PKCS8_add_keyusage(p8, key_usage))
 250                 goto err;
 251         if (nid_key != -1)
 252                 {
 253                 bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8);
 254                 PKCS8_PRIV_KEY_INFO_free(p8);
 255                 }
 256         else
 257                 bag = PKCS12_MAKE_KEYBAG(p8);
 258
 259         if(!bag)
 260                 goto err;
 261
 262         if (!pkcs12_add_bag(pbags, bag))
 263                 goto err;
 264
 265         return bag;
 266
 267         err:
 268
 269         if (bag)
 270                 PKCS12_SAFEBAG_free(bag);
 271
 272         return NULL;
 273
 274         }
 275
 276 int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
 277                                                 int nid_safe, int iter, char *pass)
 278         {
 279         PKCS7 *p7 = NULL;
 280         int free_safes = 0;
 281
 282         if (!*psafes)
 283                 {
 284                 *psafes = sk_PKCS7_new_null();
 285                 if (!*psafes)
 286                         return 0;
 287                 free_safes = 1;
 288                 }
 289         else
 290                 free_safes = 0;
 291
 292         if (nid_safe == 0)
 293 #ifdef OPENSSL_NO_RC2
 294                 nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 295 #else
 296                 nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
 297 #endif
 298
 299         if (nid_safe == -1)
 300                 p7 = PKCS12_pack_p7data(bags);
 301         else
 302                 p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0,
 303                                           iter, bags);
 304         if (!p7)
 305                 goto err;
 306
 307         if (!sk_PKCS7_push(*psafes, p7))
 308                 goto err;
 309
 310         return 1;
 311
 312         err:
 313         if (free_safes)
 314                 {
 315                 sk_PKCS7_free(*psafes);
 316                 *psafes = NULL;
 317                 }
 318
 319         if (p7)
 320                 PKCS7_free(p7);
 321
 322         return 0;
 323
 324         }
 325
 326 static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag)
 327         {
 328         int free_bags;
 329         if (!pbags)
 330                 return 1;
 331         if (!*pbags)
 332                 {
 333                 *pbags = sk_PKCS12_SAFEBAG_new_null();
 334                 if (!*pbags)
 335                         return 0;
 336                 free_bags = 1;
 337                 }
 338         else
 339                 free_bags = 0;
 340
 341         if (!sk_PKCS12_SAFEBAG_push(*pbags, bag))
 342                 {
 343                 if (free_bags)
 344                         {
 345                         sk_PKCS12_SAFEBAG_free(*pbags);
 346                         *pbags = NULL;
 347                         }
 348                 return 0;
 349                 }
 350
 351         return 1;
 352
 353         }
 354
 355
 356 PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
 357         {
 358         PKCS12 *p12;
 359         if (nid_p7 <= 0)
 360                 nid_p7 = NID_pkcs7_data;
 361         p12 = PKCS12_init(nid_p7);
 362
 363         if (!p12)
 364                 return NULL;
 365
 366         if(!PKCS12_pack_authsafes(p12, safes))
 367                 {
 368                 PKCS12_free(p12);
 369                 return NULL;
 370                 }
 371
 372         return p12;
 373
 374         }