Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | 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 | if (!p12) |
| 163 | goto err; |
| 164 | |
| 165 | sk_PKCS7_pop_free(safes, PKCS7_free); |
| 166 | |
| 167 | safes = NULL; |
| 168 | |
| 169 | if ((mac_iter != -1) && |
| 170 | !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) |
| 171 | goto err; |
| 172 | |
| 173 | return p12; |
| 174 | |
| 175 | err: |
| 176 | |
| 177 | if (p12) |
| 178 | PKCS12_free(p12); |
| 179 | if (safes) |
| 180 | sk_PKCS7_pop_free(safes, PKCS7_free); |
| 181 | if (bags) |
| 182 | sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
| 183 | return NULL; |
| 184 | |
| 185 | } |
| 186 | |
| 187 | PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) |
| 188 | { |
| 189 | PKCS12_SAFEBAG *bag = NULL; |
| 190 | char *name; |
| 191 | int namelen = -1; |
| 192 | unsigned char *keyid; |
| 193 | int keyidlen = -1; |
| 194 | |
| 195 | /* Add user certificate */ |
| 196 | if(!(bag = PKCS12_x5092certbag(cert))) |
| 197 | goto err; |
| 198 | |
| 199 | /* Use friendlyName and localKeyID in certificate. |
| 200 | * (if present) |
| 201 | */ |
| 202 | |
| 203 | name = (char *)X509_alias_get0(cert, &namelen); |
| 204 | |
| 205 | if(name && !PKCS12_add_friendlyname(bag, name, namelen)) |
| 206 | goto err; |
| 207 | |
| 208 | keyid = X509_keyid_get0(cert, &keyidlen); |
| 209 | |
| 210 | if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
| 211 | goto err; |
| 212 | |
| 213 | if (!pkcs12_add_bag(pbags, bag)) |
| 214 | goto err; |
| 215 | |
| 216 | return bag; |
| 217 | |
| 218 | err: |
| 219 | |
| 220 | if (bag) |
| 221 | PKCS12_SAFEBAG_free(bag); |
| 222 | |
| 223 | return NULL; |
| 224 | |
| 225 | } |
| 226 | |
| 227 | PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, |
| 228 | int key_usage, int iter, |
| 229 | int nid_key, char *pass) |
| 230 | { |
| 231 | |
| 232 | PKCS12_SAFEBAG *bag = NULL; |
| 233 | PKCS8_PRIV_KEY_INFO *p8 = NULL; |
| 234 | |
| 235 | /* Make a PKCS#8 structure */ |
| 236 | if(!(p8 = EVP_PKEY2PKCS8(key))) |
| 237 | goto err; |
| 238 | if(key_usage && !PKCS8_add_keyusage(p8, key_usage)) |
| 239 | goto err; |
| 240 | if (nid_key != -1) |
| 241 | { |
| 242 | bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8); |
| 243 | PKCS8_PRIV_KEY_INFO_free(p8); |
| 244 | } |
| 245 | else |
| 246 | bag = PKCS12_MAKE_KEYBAG(p8); |
| 247 | |
| 248 | if(!bag) |
| 249 | goto err; |
| 250 | |
| 251 | if (!pkcs12_add_bag(pbags, bag)) |
| 252 | goto err; |
| 253 | |
| 254 | return bag; |
| 255 | |
| 256 | err: |
| 257 | |
| 258 | if (bag) |
| 259 | PKCS12_SAFEBAG_free(bag); |
| 260 | |
| 261 | return NULL; |
| 262 | |
| 263 | } |
| 264 | |
| 265 | int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, |
| 266 | int nid_safe, int iter, char *pass) |
| 267 | { |
| 268 | PKCS7 *p7 = NULL; |
| 269 | int free_safes = 0; |
| 270 | |
| 271 | if (!*psafes) |
| 272 | { |
| 273 | *psafes = sk_PKCS7_new_null(); |
| 274 | if (!*psafes) |
| 275 | return 0; |
| 276 | free_safes = 1; |
| 277 | } |
| 278 | else |
| 279 | free_safes = 0; |
| 280 | |
| 281 | if (nid_safe == 0) |
| 282 | nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; |
| 283 | |
| 284 | if (nid_safe == -1) |
| 285 | p7 = PKCS12_pack_p7data(bags); |
| 286 | else |
| 287 | p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, |
| 288 | iter, bags); |
| 289 | if (!p7) |
| 290 | goto err; |
| 291 | |
| 292 | if (!sk_PKCS7_push(*psafes, p7)) |
| 293 | goto err; |
| 294 | |
| 295 | return 1; |
| 296 | |
| 297 | err: |
| 298 | if (free_safes) |
| 299 | { |
| 300 | sk_PKCS7_free(*psafes); |
| 301 | *psafes = NULL; |
| 302 | } |
| 303 | |
| 304 | if (p7) |
| 305 | PKCS7_free(p7); |
| 306 | |
| 307 | return 0; |
| 308 | |
| 309 | } |
| 310 | |
| 311 | static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) |
| 312 | { |
| 313 | int free_bags; |
| 314 | if (!pbags) |
| 315 | return 1; |
| 316 | if (!*pbags) |
| 317 | { |
| 318 | *pbags = sk_PKCS12_SAFEBAG_new_null(); |
| 319 | if (!*pbags) |
| 320 | return 0; |
| 321 | free_bags = 1; |
| 322 | } |
| 323 | else |
| 324 | free_bags = 0; |
| 325 | |
| 326 | if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) |
| 327 | { |
| 328 | if (free_bags) |
| 329 | { |
| 330 | sk_PKCS12_SAFEBAG_free(*pbags); |
| 331 | *pbags = NULL; |
| 332 | } |
| 333 | return 0; |
| 334 | } |
| 335 | |
| 336 | return 1; |
| 337 | |
| 338 | } |
| 339 | |
| 340 | |
| 341 | PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) |
| 342 | { |
| 343 | PKCS12 *p12; |
| 344 | if (nid_p7 <= 0) |
| 345 | nid_p7 = NID_pkcs7_data; |
| 346 | p12 = PKCS12_init(nid_p7); |
| 347 | |
| 348 | if (!p12) |
| 349 | return NULL; |
| 350 | |
| 351 | if(!PKCS12_pack_authsafes(p12, safes)) |
| 352 | { |
| 353 | PKCS12_free(p12); |
| 354 | return NULL; |
| 355 | } |
| 356 | |
| 357 | return p12; |
| 358 | |
| 359 | } |