apps/pkcs12.c

   1 /* pkcs12.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 <stdlib.h>
  61 #include <string.h>
  62 #include <pem.h>
  63 #include <err.h>
  64 #include "pkcs12.h"
  65
  66 #include "apps.h"
  67 #define PROG pkcs12_main
  68
  69 EVP_CIPHER *enc;
  70
  71 #define _ITER_ 1000
  72
  73 #define NOKEYS          0x1
  74 #define NOCERTS         0x2
  75 #define INFO            0x4
  76 #define CLCERTS         0x8
  77 #define CACERTS         0x10
  78
  79 #ifndef NOPROTO
  80 int get_cert_chain(X509 *cert, STACK **chain);
  81 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, unsigned char *pass, int passlen, int options);
  82 int dump_certs_pkeys_bags(BIO *out, STACK *bags, unsigned char *pass, int passlen, int options);
  83 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, unsigned char *pass, int passlen, int options);
  84 int print_attribs(BIO *out, STACK *attrlst, char *name);
  85 void hex_prin(BIO *out, unsigned char *buf, int len);
  86 int alg_print(BIO *x, X509_ALGOR *alg);
  87 int cert_load(BIO *in, STACK *sk);
  88 #else
  89 int get_cert_chain();
  90 int dump_certs_keys_p12();
  91 int dump_certs_pkeys_bags();
  92 int dump_certs_pkeys_bag();
  93 int print_attribs();
  94 void hex_prin();
  95 int alg_print();
  96 int cert_load();
  97 #endif
  98
  99 int MAIN(int argc, char **argv)
 100 {
 101     char *infile=NULL, *outfile=NULL, *keyname = NULL;
 102     char *certfile=NULL;
 103     BIO *in=NULL, *out = NULL, *inkey = NULL, *certsin = NULL;
 104     char **args;
 105     char *name = NULL;
 106     PKCS12 *p12 = NULL;
 107     char pass[50], macpass[50];
 108     int export_cert = 0;
 109     int options = 0;
 110     int chain = 0;
 111     int badarg = 0;
 112     int iter = _ITER_;
 113     int maciter = 1;
 114     int twopass = 0;
 115     int keytype = 0;
 116     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 117     int ret = 1;
 118     int macver = 1;
 119     STACK *canames = NULL;
 120
 121     apps_startup();
 122
 123     enc = EVP_des_ede3_cbc();
 124     if (bio_err == NULL ) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
 125
 126     args = argv + 1;
 127
 128
 129     while (*args) {
 130         if (*args[0] == '-') {
 131                 if (!strcmp (*args, "-nokeys")) options |= NOKEYS;
 132                 else if (!strcmp (*args, "-keyex")) keytype = KEY_EX;
 133                 else if (!strcmp (*args, "-keysig")) keytype = KEY_SIG;
 134                 else if (!strcmp (*args, "-nocerts")) options |= NOCERTS;
 135                 else if (!strcmp (*args, "-clcerts")) options |= CLCERTS;
 136                 else if (!strcmp (*args, "-cacerts")) options |= CACERTS;
 137                 else if (!strcmp (*args, "-noout")) options |= (NOKEYS|NOCERTS);
 138                 else if (!strcmp (*args, "-info")) options |= INFO;
 139                 else if (!strcmp (*args, "-chain")) chain = 1;
 140                 else if (!strcmp (*args, "-twopass")) twopass = 1;
 141                 else if (!strcmp (*args, "-nomacver")) macver = 0;
 142                 else if (!strcmp (*args, "-descert"))
 143                         cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 144                 else if (!strcmp (*args, "-export")) export_cert = 1;
 145                 else if (!strcmp (*args, "-des")) enc=EVP_des_cbc();
 146 #ifndef NO_IDEA
 147                 else if (!strcmp (*args, "-idea")) enc=EVP_idea_cbc();
 148 #endif
 149                 else if (!strcmp (*args, "-des3")) enc = EVP_des_ede3_cbc();
 150                 else if (!strcmp (*args, "-noiter")) iter = 1;
 151                 else if (!strcmp (*args, "-maciter")) maciter = _ITER_;
 152                 else if (!strcmp (*args, "-nodes")) enc=NULL;
 153                 else if (!strcmp (*args, "-inkey")) {
 154                     if (args[1]) {
 155                         args++;
 156                         keyname = *args;
 157                     } else badarg = 1;
 158                 } else if (!strcmp (*args, "-certfile")) {
 159                     if (args[1]) {
 160                         args++;
 161                         certfile = *args;
 162                     } else badarg = 1;
 163                 } else if (!strcmp (*args, "-name")) {
 164                     if (args[1]) {
 165                         args++;
 166                         name = *args;
 167                     } else badarg = 1;
 168                 } else if (!strcmp (*args, "-caname")) {
 169                     if (args[1]) {
 170                         args++;
 171                         if (!canames) canames = sk_new(NULL);
 172                         sk_push(canames, *args);
 173                     } else badarg = 1;
 174                 } else if (!strcmp (*args, "-in")) {
 175                     if (args[1]) {
 176                         args++;
 177                         infile = *args;
 178                     } else badarg = 1;
 179                 } else if (!strcmp (*args, "-out")) {
 180                     if (args[1]) {
 181                         args++;
 182                         outfile = *args;
 183                     } else badarg = 1;
 184                 } else badarg = 1;
 185
 186         } else badarg = 1;
 187         args++;
 188     }
 189
 190     if (badarg) {
 191         BIO_printf (bio_err, "Usage: pkcs12 [options]\n");
 192         BIO_printf (bio_err, "where options are\n");
 193         BIO_printf (bio_err, "-export       output PKCS12 file\n");
 194         BIO_printf (bio_err, "-chain        add certificate chain\n");
 195         BIO_printf (bio_err, "-inkey file   private key if not infile\n");
 196         BIO_printf (bio_err, "-certfile f   add all certs in f\n");
 197         BIO_printf (bio_err, "-name \"name\"  use name as friendly name\n");
 198         BIO_printf (bio_err, "-caname \"nm\"  use nm as CA friendly name (can be used more than once).\n");
 199         BIO_printf (bio_err, "-in  infile   input filename\n");
 200         BIO_printf (bio_err, "-out outfile  output filename\n");
 201         BIO_printf (bio_err, "-noout        don't output anything, just verify.\n");
 202         BIO_printf (bio_err, "-nomacver     don't verify MAC.\n");
 203         BIO_printf (bio_err, "-nocerts      don't output certificates.\n");
 204         BIO_printf (bio_err, "-clcerts      only output client certificates.\n");
 205         BIO_printf (bio_err, "-cacerts      only output CA certificates.\n");
 206         BIO_printf (bio_err, "-nokeys       don't output private keys.\n");
 207         BIO_printf (bio_err, "-info         give info about PKCS#12 structure.\n");
 208         BIO_printf (bio_err, "-des          encrypt private keys with DES\n");
 209         BIO_printf (bio_err, "-des3         encrypt private keys with triple DES (default)\n");
 210 #ifndef NO_IDEA
 211         BIO_printf (bio_err, "-idea         encrypt private keys with idea\n");
 212 #endif
 213         BIO_printf (bio_err, "-nodes        don't encrypt private keys\n");
 214         BIO_printf (bio_err, "-noiter       don't use encryption iteration\n");
 215         BIO_printf (bio_err, "-maciter      use MAC iteration\n");
 216         BIO_printf (bio_err, "-twopass      separate MAC, encryption passwords\n");
 217         BIO_printf (bio_err, "-descert      encrypt PKCS#12 certificates with triple DES (default RC2-40)\n");
 218         BIO_printf (bio_err, "-keyex        set MS key exchange type\n");
 219         BIO_printf (bio_err, "-keysig       set MS key signature type\n");
 220         goto end;
 221     }
 222
 223     ERR_load_crypto_strings();
 224
 225     in = BIO_new (BIO_s_file());
 226     out = BIO_new (BIO_s_file());
 227
 228     if (!infile) BIO_set_fp (in, stdin, BIO_NOCLOSE);
 229     else {
 230         if (BIO_read_filename (in, infile) <= 0) {
 231             perror (infile);
 232             goto end;
 233         }
 234     }
 235
 236    if (certfile) {
 237         certsin = BIO_new (BIO_s_file());
 238         if (BIO_read_filename (certsin, certfile) <= 0) {
 239             perror (certfile);
 240             goto end;
 241         }
 242     }
 243
 244     if (keyname) {
 245         inkey = BIO_new (BIO_s_file());
 246         if (BIO_read_filename (inkey, keyname) <= 0) {
 247             perror (keyname);
 248             goto end;
 249         }
 250      }
 251
 252     if (!outfile) BIO_set_fp (out, stdout, BIO_NOCLOSE);
 253     else {
 254         if (BIO_write_filename (out, outfile) <= 0) {
 255             perror (outfile);
 256             goto end;
 257         }
 258     }
 259     if (twopass) {
 260         if(EVP_read_pw_string (macpass, 50, "Enter MAC Password:", export_cert)) {
 261             BIO_printf (bio_err, "Can't read Password\n");
 262             goto end;
 263         }
 264     }
 265
 266 if (export_cert) {
 267         EVP_PKEY *key;
 268         STACK *bags, *safes;
 269         PKCS12_SAFEBAG *bag;
 270         PKCS8_PRIV_KEY_INFO *p8;
 271         PKCS7 *authsafe;
 272         X509 *cert, *ucert = NULL;
 273         STACK *certs;
 274         char *catmp;
 275         int i, pmatch = 0;
 276         unsigned char keyid[EVP_MAX_MD_SIZE];
 277         int keyidlen;
 278         /* Get private key so we can match it to a certificate */
 279         key = PEM_read_bio_PrivateKey(inkey ? inkey : in, NULL, NULL);
 280         if (!inkey) BIO_reset(in);
 281         if (!key) {
 282                 BIO_printf (bio_err, "Error loading private key\n");
 283                 ERR_print_errors(bio_err);
 284                 goto end;
 285         }
 286
 287         certs = sk_new(NULL);
 288
 289         /* Load in all certs in input file */
 290         if(!cert_load(in, certs)) {
 291                 BIO_printf(bio_err, "Error loading certificates from input\n");
 292                 ERR_print_errors(bio_err);
 293                 goto end;
 294         }
 295
 296         bags = sk_new (NULL);
 297
 298         /* Add any more certificates asked for */
 299         if (certsin) {
 300                 if(!cert_load(certsin, certs)) {
 301                         BIO_printf(bio_err, "Error loading certificates from certfile\n");
 302                         ERR_print_errors(bio_err);
 303                         goto end;
 304                 }
 305                 BIO_free(certsin);
 306         }
 307
 308         /* Find certificate (if any) matching private key */
 309
 310         for(i = 0; i < sk_num(certs); i++) {
 311                         cert = (X509 *)sk_value(certs, i);
 312                         if(X509_check_private_key(cert, key)) {
 313                                 ucert = cert;
 314                                 break;
 315                         }
 316         }
 317
 318         if(!ucert) {
 319                 BIO_printf(bio_err, "No certificate matches private key\n");
 320                 goto end;
 321         }
 322
 323         /* If chaining get chain from user cert */
 324         if (chain) {
 325                 int vret;
 326                 STACK *chain2;
 327
 328                 vret = get_cert_chain (ucert, &chain2);
 329                 if (vret) {
 330                         BIO_printf (bio_err, "Error %s getting chain.\n",
 331                                         X509_verify_cert_error_string(vret));
 332                         goto end;
 333                 }
 334                 /* Exclude verified certificate */
 335                 for (i = 1; i < sk_num (chain2) ; i++)
 336                                  sk_push(certs, sk_value (chain2, i));
 337                 sk_free(chain2);
 338
 339         }
 340
 341         /* We now have loads of certificates: include them all */
 342         for(i = 0; i < sk_num(certs); i++) {
 343                 cert = (X509 *)sk_value(certs, i);
 344                 bag = M_PKCS12_x5092certbag(cert);
 345                 /* If it matches private key mark it */
 346                 if(cert == ucert) {
 347                         if(name) PKCS12_add_friendlyname(bag, name, -1);
 348                         X509_digest(cert, EVP_sha1(), keyid, &keyidlen);
 349                         PKCS12_add_localkeyid(bag, keyid, keyidlen);
 350                         pmatch = 1;
 351                 } else if((catmp = sk_shift(canames)))
 352                                 PKCS12_add_friendlyname(bag, catmp, -1);
 353                 sk_push(bags, (char *)bag);
 354         }
 355
 356         if (canames) sk_free(canames);
 357
 358         if(EVP_read_pw_string (pass, 50, "Enter Export Password:", 1)) {
 359             BIO_printf (bio_err, "Can't read Password\n");
 360             goto end;
 361         }
 362         if (!twopass) strcpy(macpass, pass);
 363         /* Turn certbags into encrypted authsafe */
 364         authsafe = PKCS12_pack_p7encdata (cert_pbe, pass, -1, NULL, 0,
 365                                                                  iter, bags);
 366         sk_pop_free(bags, PKCS12_SAFEBAG_free);
 367
 368         if (!authsafe) {
 369                 ERR_print_errors (bio_err);
 370                 goto end;
 371         }
 372
 373         safes = sk_new (NULL);
 374         sk_push (safes, (char *)authsafe);
 375
 376         /* Make a shrouded key bag */
 377         p8 = EVP_PKEY2PKCS8 (key);
 378         EVP_PKEY_free(key);
 379         if(keytype) PKCS8_add_keyusage(p8, keytype);
 380         bag = PKCS12_MAKE_SHKEYBAG (NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
 381                         pass, -1, NULL, 0, iter, p8);
 382         PKCS8_PRIV_KEY_INFO_free(p8);
 383         if (name) PKCS12_add_friendlyname (bag, name, -1);
 384         PKCS12_add_localkeyid (bag, keyid, keyidlen);
 385         bags = sk_new(NULL);
 386         sk_push (bags, (char *)bag);
 387         /* Turn it into unencrypted safe bag */
 388         authsafe = PKCS12_pack_p7data (bags);
 389         sk_pop_free(bags, PKCS12_SAFEBAG_free);
 390         sk_push (safes, (char *)authsafe);
 391
 392         p12 = PKCS12_init (NID_pkcs7_data);
 393
 394         M_PKCS12_pack_authsafes (p12, safes);
 395
 396         sk_pop_free(safes, PKCS7_free);
 397
 398         PKCS12_set_mac (p12, macpass, -1, NULL, 0, maciter, NULL);
 399
 400         i2d_PKCS12_bio (out, p12);
 401
 402         PKCS12_free(p12);
 403
 404         ret = 0;
 405         goto end;
 406
 407 }
 408
 409     if (!(p12 = d2i_PKCS12_bio (in, NULL))) {
 410         ERR_print_errors(bio_err);
 411         goto end;
 412     }
 413
 414     if(EVP_read_pw_string (pass, 50, "Enter Import Password:", 0)) {
 415         BIO_printf (bio_err, "Can't read Password\n");
 416         goto end;
 417     }
 418
 419     if (!twopass) strcpy(macpass, pass);
 420
 421     if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
 422     if(macver) {
 423         if (!PKCS12_verify_mac (p12, macpass, -1)) {
 424             BIO_printf (bio_err, "Mac verify errror: invalid password?\n");
 425             ERR_print_errors (bio_err);
 426             goto end;
 427         } else BIO_printf (bio_err, "MAC verified OK\n");
 428     }
 429
 430     if (!dump_certs_keys_p12 (out, p12, pass, -1, options)) {
 431         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 432         ERR_print_errors (bio_err);
 433         goto end;
 434     }
 435     PKCS12_free(p12);
 436     ret = 0;
 437     end:
 438     EXIT(ret);
 439 }
 440
 441 int dump_cert_text (BIO *out, X509 *x)
 442 {
 443         char buf[256];
 444         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 445         BIO_puts(out,"subject=");
 446         BIO_puts(out,buf);
 447
 448         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 449         BIO_puts(out,"\nissuer= ");
 450         BIO_puts(out,buf);
 451         BIO_puts(out,"\n");
 452         return 0;
 453 }
 454
 455 int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, unsigned char *pass,
 456              int passlen, int options)
 457 {
 458         STACK *asafes, *bags;
 459         int i, bagnid;
 460         PKCS7 *p7;
 461         if (!( asafes = M_PKCS12_unpack_authsafes (p12))) return 0;
 462         for (i = 0; i < sk_num (asafes); i++) {
 463                 p7 = (PKCS7 *) sk_value (asafes, i);
 464                 bagnid = OBJ_obj2nid (p7->type);
 465                 if (bagnid == NID_pkcs7_data) {
 466                         bags = M_PKCS12_unpack_p7data (p7);
 467                         if (options & INFO) BIO_printf (bio_err, "PKCS7 Data\n");
 468                 } else if (bagnid == NID_pkcs7_encrypted) {
 469                         if (options & INFO) {
 470                                 BIO_printf (bio_err, "PKCS7 Encrypted data: ");
 471                                 alg_print (bio_err,
 472                                         p7->d.encrypted->enc_data->algorithm);
 473                         }
 474                         bags = M_PKCS12_unpack_p7encdata (p7, pass, passlen);
 475                 } else continue;
 476                 if (!bags) return 0;
 477                 if (!dump_certs_pkeys_bags (out, bags, pass, passlen,
 478                                                          options)) {
 479                         sk_pop_free (bags, PKCS12_SAFEBAG_free);
 480                         return 0;
 481                 }
 482                 sk_pop_free (bags, PKCS12_SAFEBAG_free);
 483         }
 484         sk_pop_free (asafes, PKCS7_free);
 485         return 1;
 486 }
 487
 488 int dump_certs_pkeys_bags (BIO *out, STACK *bags, unsigned char *pass,
 489              int passlen, int options)
 490 {
 491         int i;
 492         for (i = 0; i < sk_num (bags); i++) {
 493                 if (!dump_certs_pkeys_bag (out,
 494                          (PKCS12_SAFEBAG *)sk_value (bags, i), pass, passlen,
 495                                                         options)) return 0;
 496         }
 497         return 1;
 498 }
 499
 500 int dump_certs_pkeys_bag (BIO *out, PKCS12_SAFEBAG *bag, unsigned char *pass,
 501              int passlen, int options)
 502 {
 503         EVP_PKEY *pkey;
 504         PKCS8_PRIV_KEY_INFO *p8;
 505         X509 *x509;
 506
 507         switch (M_PKCS12_bag_type(bag))
 508         {
 509         case NID_keyBag:
 510                 if (options & INFO) BIO_printf (bio_err, "Key bag\n");
 511                 if (options & NOKEYS) return 1;
 512                 print_attribs (out, bag->attrib, "Bag Attributes");
 513                 p8 = bag->value.keybag;
 514                 if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
 515                 print_attribs (out, p8->attributes, "Key Attributes");
 516                 PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL);
 517                 EVP_PKEY_free(pkey);
 518         break;
 519
 520         case NID_pkcs8ShroudedKeyBag:
 521                 if (options & INFO) {
 522                         BIO_printf (bio_err, "Shrouded Keybag: ");
 523                         alg_print (bio_err, bag->value.shkeybag->algor);
 524                 }
 525                 if (options & NOKEYS) return 1;
 526                 print_attribs (out, bag->attrib, "Bag Attributes");
 527                 if (!(p8 = M_PKCS12_decrypt_skey (bag, pass, passlen)))
 528                                 return 0;
 529                 if (!(pkey = EVP_PKCS82PKEY (p8))) return 0;
 530                 print_attribs (out, p8->attributes, "Key Attributes");
 531                 PKCS8_PRIV_KEY_INFO_free(p8);
 532                 PEM_write_bio_PrivateKey (out, pkey, enc, NULL, 0, NULL);
 533                 EVP_PKEY_free(pkey);
 534         break;
 535
 536         case NID_certBag:
 537                 if (options & INFO) BIO_printf (bio_err, "Certificate bag\n");
 538                 if (options & NOCERTS) return 1;
 539                 if (PKCS12_get_attr(bag, NID_localKeyID)) {
 540                         if (options & CACERTS) return 1;
 541                 } else if (options & CLCERTS) return 1;
 542                 print_attribs (out, bag->attrib, "Bag Attributes");
 543                 if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )
 544                                                                  return 1;
 545                 if (!(x509 = M_PKCS12_certbag2x509(bag))) return 0;
 546                 dump_cert_text (out, x509);
 547                 PEM_write_bio_X509 (out, x509);
 548                 X509_free(x509);
 549         break;
 550
 551         case NID_safeContentsBag:
 552                 if (options & INFO) BIO_printf (bio_err, "Safe Contents bag\n");
 553                 print_attribs (out, bag->attrib, "Bag Attributes");
 554                 return dump_certs_pkeys_bags (out, bag->value.safes, pass,
 555                                                             passlen, options);
 556
 557         default:
 558                 BIO_printf (bio_err, "Warning unsupported bag type: ");
 559                 i2a_ASN1_OBJECT (bio_err, bag->type);
 560                 BIO_printf (bio_err, "\n");
 561                 return 1;
 562         break;
 563         }
 564         return 1;
 565 }
 566
 567 /* Given a single certificate return a verified chain or NULL if error */
 568
 569 /* Hope this is OK .... */
 570
 571 int get_cert_chain (X509 *cert, STACK **chain)
 572 {
 573         X509_STORE *store;
 574         X509_STORE_CTX store_ctx;
 575         STACK *chn;
 576         int i;
 577         X509 *x;
 578         store = X509_STORE_new ();
 579         X509_STORE_set_default_paths (store);
 580         X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
 581         if (X509_verify_cert(&store_ctx) <= 0) {
 582                 i = X509_STORE_CTX_get_error (&store_ctx);
 583                 goto err;
 584         }
 585         chn =  sk_dup(X509_STORE_CTX_get_chain (&store_ctx));
 586         for (i = 0; i < sk_num(chn); i++) {
 587                 x = (X509 *)sk_value(chn, i);
 588                 CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
 589         }
 590         i = 0;
 591         *chain = chn;
 592 err:
 593         X509_STORE_CTX_cleanup(&store_ctx);
 594         X509_STORE_free(store);
 595
 596         return i;
 597 }
 598
 599 int alg_print (BIO *x, X509_ALGOR *alg)
 600 {
 601         PBEPARAM *pbe;
 602         unsigned char *p;
 603         p = alg->parameter->value.sequence->data;
 604         pbe = d2i_PBEPARAM (NULL, &p, alg->parameter->value.sequence->length);
 605         BIO_printf (bio_err, "%s, Iteration %d\n",
 606         OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)), ASN1_INTEGER_get(pbe->iter));
 607         PBEPARAM_free (pbe);
 608         return 0;
 609 }
 610
 611 /* Load all certificates from a given file */
 612
 613 int cert_load(BIO *in, STACK *sk)
 614 {
 615         int ret;
 616         X509 *cert;
 617         ret = 0;
 618         while((cert = PEM_read_bio_X509(in, NULL, NULL))) {
 619                 ret = 1;
 620                 sk_push(sk, (char *)cert);
 621         }
 622         if(ret) ERR_clear_error();
 623         return ret;
 624 }
 625
 626 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 627
 628 int print_attribs (BIO *out, STACK *attrlst, char *name)
 629 {
 630         X509_ATTRIBUTE *attr;
 631         ASN1_TYPE *av;
 632         char *value;
 633         int i, attr_nid;
 634         if(!attrlst) {
 635                 BIO_printf(out, "%s: <No Attributes>\n", name);
 636                 return 1;
 637         }
 638         if(!sk_num(attrlst)) {
 639                 BIO_printf(out, "%s: <Empty Attributes>\n", name);
 640                 return 1;
 641         }
 642         BIO_printf(out, "%s\n", name);
 643         for(i = 0; i < sk_num(attrlst); i++) {
 644                 attr = (X509_ATTRIBUTE *) sk_value(attrlst, i);
 645                 attr_nid = OBJ_obj2nid(attr->object);
 646                 BIO_printf(out, "    ");
 647                 if(attr_nid == NID_undef) {
 648                         i2a_ASN1_OBJECT (out, attr->object);
 649                         BIO_printf(out, ": ");
 650                 } else BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 651
 652                 if(sk_num(attr->value.set)) {
 653                         av = (ASN1_TYPE *)sk_value(attr->value.set, 0);
 654                         switch(av->type) {
 655                                 case V_ASN1_BMPSTRING:
 656                                 value = uni2asc(av->value.bmpstring->data,
 657                                                av->value.bmpstring->length);
 658                                 BIO_printf(out, "%s\n", value);
 659                                 Free(value);
 660                                 break;
 661
 662                                 case V_ASN1_OCTET_STRING:
 663                                 hex_prin(out, av->value.bit_string->data,
 664                                         av->value.bit_string->length);
 665                                 BIO_printf(out, "\n");
 666                                 break;
 667
 668                                 case V_ASN1_BIT_STRING:
 669                                 hex_prin(out, av->value.octet_string->data,
 670                                         av->value.octet_string->length);
 671                                 BIO_printf(out, "\n");
 672                                 break;
 673
 674                                 default:
 675                                         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 676                                 break;
 677                         }
 678                 } else BIO_printf(out, "<No Values>\n");
 679         }
 680         return 1;
 681 }
 682
 683 void hex_prin(BIO *out, unsigned char *buf, int len)
 684 {
 685         int i;
 686         for (i = 0; i < len; i++) BIO_printf (out, "%02X ", buf[i]);
 687 }