apps/pkcs12.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999-2006 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 <openssl/opensslconf.h>
  60 #if !defined(OPENSSL_NO_DES)
  61
  62 # include <stdio.h>
  63 # include <stdlib.h>
  64 # include <string.h>
  65 # include "apps.h"
  66 # include <openssl/crypto.h>
  67 # include <openssl/err.h>
  68 # include <openssl/pem.h>
  69 # include <openssl/pkcs12.h>
  70
  71 # define NOKEYS          0x1
  72 # define NOCERTS         0x2
  73 # define INFO            0x4
  74 # define CLCERTS         0x8
  75 # define CACERTS         0x10
  76
  77 int get_cert_chain(X509 *cert, X509_STORE *store, STACK_OF(X509) **chain);
  78 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen,
  79                         int options, char *pempass, const EVP_CIPHER *enc);
  80 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
  81                           char *pass, int passlen, int options, char *pempass,
  82                           const EVP_CIPHER *enc);
  83 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass,
  84                          int passlen, int options, char *pempass,
  85                          const EVP_CIPHER *enc);
  86 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
  87                   const char *name);
  88 void hex_prin(BIO *out, unsigned char *buf, int len);
  89 static int alg_print(X509_ALGOR *alg);
  90 int cert_load(BIO *in, STACK_OF(X509) *sk);
  91 static int set_pbe(int *ppbe, const char *str);
  92
  93 typedef enum OPTION_choice {
  94     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  95     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  96     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  97     OPT_DESCERT, OPT_EXPORT, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  98     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  99     OPT_RAND, OPT_INKEY, OPT_CERTFILE, OPT_NAME, OPT_CSP, OPT_CANAME,
 100     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
 101     OPT_CAFILE, OPT_ENGINE
 102 } OPTION_CHOICE;
 103
 104 OPTIONS pkcs12_options[] = {
 105     {"help", OPT_HELP, '-', "Display this summary"},
 106     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
 107     {"keyex", OPT_KEYEX, '-', "Set MS key exchange type"},
 108     {"keysig", OPT_KEYSIG, '-', "Set MS key signature type"},
 109     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
 110     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
 111     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
 112     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
 113     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
 114     {"chain", OPT_CHAIN, '-', "Add certificate chain"},
 115     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
 116     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
 117 # ifndef OPENSSL_NO_RC2
 118     {"descert", OPT_DESCERT, '-',
 119      "Encrypt output with 3DES (default RC2-40)"},
 120     {"certpbe", OPT_CERTPBE, 's',
 121      "Certificate PBE algorithm (default RC2-40)"},
 122 # else
 123     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
 124     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
 125 # endif
 126     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
 127     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
 128     {"maciter", OPT_MACITER, '-', "Use MAC iteration"},
 129     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
 130     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
 131     {"LMK", OPT_LMK, '-',
 132      "Add local machine keyset attribute to private key"},
 133     {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
 134     {"macalg", OPT_MACALG, 's',
 135      "Digest algorithm used in MAC (default SHA1)"},
 136     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
 137     {"rand", OPT_RAND, 's',
 138      "Load the file(s) into the random number generator"},
 139     {"inkey", OPT_INKEY, '<', "Private key if not infile"},
 140     {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
 141     {"name", OPT_NAME, 's', "Use name as friendly name"},
 142     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
 143     {"caname", OPT_CANAME, 's',
 144      "Use name as CA friendly name (can be repeated)"},
 145     {"in", OPT_IN, '<', "Input filename"},
 146     {"out", OPT_OUT, '>', "Output filename"},
 147     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 148     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 149     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 150     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 151     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 152     {"", OPT_CIPHER, '-', "Any supported cipher"},
 153 # ifndef OPENSSL_NO_ENGINE
 154     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 155 # endif
 156     {NULL}
 157 };
 158
 159 int pkcs12_main(int argc, char **argv)
 160 {
 161     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 162     char *name = NULL, *csp_name = NULL;
 163     char pass[2048], macpass[2048];
 164     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 165     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 166 # ifndef OPENSSL_NO_RC2
 167     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 168 # else
 169     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 170 # endif
 171     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 172     int ret = 1, macver = 1, noprompt = 0, add_lmk = 0, private = 0;
 173     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 174     char *passin = NULL, *passout = NULL, *inrand = NULL, *macalg = NULL;
 175     char *cpass = NULL, *mpass = NULL, *CApath = NULL, *CAfile = NULL;
 176     char *prog;
 177     ENGINE *e = NULL;
 178     BIO *in = NULL, *out = NULL;
 179     PKCS12 *p12 = NULL;
 180     STACK_OF(OPENSSL_STRING) *canames = NULL;
 181     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 182     OPTION_CHOICE o;
 183
 184     prog = opt_init(argc, argv, pkcs12_options);
 185     while ((o = opt_next()) != OPT_EOF) {
 186         switch (o) {
 187         case OPT_EOF:
 188         case OPT_ERR:
 189  opthelp:
 190             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 191             goto end;
 192         case OPT_HELP:
 193             opt_help(pkcs12_options);
 194             ret = 0;
 195             goto end;
 196         case OPT_NOKEYS:
 197             options |= NOKEYS;
 198             break;
 199         case OPT_KEYEX:
 200             keytype = KEY_EX;
 201             break;
 202         case OPT_KEYSIG:
 203             keytype = KEY_SIG;
 204             break;
 205         case OPT_NOCERTS:
 206             options |= NOCERTS;
 207             break;
 208         case OPT_CLCERTS:
 209             options |= CLCERTS;
 210             break;
 211         case OPT_CACERTS:
 212             options |= CACERTS;
 213             break;
 214         case OPT_NOOUT:
 215             options |= (NOKEYS | NOCERTS);
 216             break;
 217         case OPT_INFO:
 218             options |= INFO;
 219             break;
 220         case OPT_CHAIN:
 221             chain = 1;
 222             break;
 223         case OPT_TWOPASS:
 224             twopass = 1;
 225             break;
 226         case OPT_NOMACVER:
 227             macver = 0;
 228             break;
 229         case OPT_DESCERT:
 230             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 231             break;
 232         case OPT_EXPORT:
 233             export_cert = 1;
 234             break;
 235         case OPT_CIPHER:
 236             if (!opt_cipher(opt_unknown(), &enc))
 237                 goto opthelp;
 238             break;
 239         case OPT_NOITER:
 240             iter = 1;
 241             break;
 242         case OPT_MACITER:
 243             maciter = PKCS12_DEFAULT_ITER;
 244             break;
 245         case OPT_NOMACITER:
 246             maciter = 1;
 247             break;
 248         case OPT_NOMAC:
 249             maciter = -1;
 250             break;
 251         case OPT_MACALG:
 252             macalg = opt_arg();
 253             break;
 254         case OPT_NODES:
 255             enc = NULL;
 256             break;
 257         case OPT_CERTPBE:
 258             if (!set_pbe(&cert_pbe, opt_arg()))
 259                 goto opthelp;
 260             break;
 261         case OPT_KEYPBE:
 262             if (!set_pbe(&key_pbe, opt_arg()))
 263                 goto opthelp;
 264             break;
 265         case OPT_RAND:
 266             inrand = opt_arg();
 267             break;
 268         case OPT_INKEY:
 269             keyname = opt_arg();
 270             break;
 271         case OPT_CERTFILE:
 272             certfile = opt_arg();
 273             break;
 274         case OPT_NAME:
 275             name = opt_arg();
 276             break;
 277         case OPT_LMK:
 278             add_lmk = 1;
 279             break;
 280         case OPT_CSP:
 281             csp_name = opt_arg();
 282             break;
 283         case OPT_CANAME:
 284             if (canames == NULL
 285                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 286                 goto end;
 287             sk_OPENSSL_STRING_push(canames, opt_arg());
 288             break;
 289         case OPT_IN:
 290             infile = opt_arg();
 291             break;
 292         case OPT_OUT:
 293             outfile = opt_arg();
 294             break;
 295         case OPT_PASSIN:
 296             passinarg = opt_arg();
 297             break;
 298         case OPT_PASSOUT:
 299             passoutarg = opt_arg();
 300             break;
 301         case OPT_PASSWORD:
 302             passarg = opt_arg();
 303             break;
 304         case OPT_CAPATH:
 305             CApath = opt_arg();
 306             break;
 307         case OPT_CAFILE:
 308             CAfile = opt_arg();
 309             break;
 310         case OPT_ENGINE:
 311             e = setup_engine(opt_arg(), 0);
 312             break;
 313         }
 314     }
 315     argc = opt_num_rest();
 316     argv = opt_rest();
 317     private = 1;
 318
 319     if (passarg) {
 320         if (export_cert)
 321             passoutarg = passarg;
 322         else
 323             passinarg = passarg;
 324     }
 325
 326     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 327         BIO_printf(bio_err, "Error getting passwords\n");
 328         goto end;
 329     }
 330
 331     if (!cpass) {
 332         if (export_cert)
 333             cpass = passout;
 334         else
 335             cpass = passin;
 336     }
 337
 338     if (cpass) {
 339         mpass = cpass;
 340         noprompt = 1;
 341     } else {
 342         cpass = pass;
 343         mpass = macpass;
 344     }
 345
 346     if (!app_load_modules(NULL))
 347         goto end;
 348
 349     if (export_cert || inrand) {
 350         app_RAND_load_file(NULL, (inrand != NULL));
 351         if (inrand != NULL)
 352             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 353                        app_RAND_load_files(inrand));
 354     }
 355
 356     if (twopass) {
 357         if (EVP_read_pw_string
 358             (macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
 359             BIO_printf(bio_err, "Can't read Password\n");
 360             goto end;
 361         }
 362     }
 363
 364     if (export_cert) {
 365         EVP_PKEY *key = NULL;
 366         X509 *ucert = NULL, *x = NULL;
 367         STACK_OF(X509) *certs = NULL;
 368         const EVP_MD *macmd = NULL;
 369         unsigned char *catmp = NULL;
 370         int i;
 371
 372         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 373             BIO_printf(bio_err, "Nothing to do!\n");
 374             goto export_end;
 375         }
 376
 377         if (options & NOCERTS)
 378             chain = 0;
 379
 380         if (!(options & NOKEYS)) {
 381             key = load_key(keyname ? keyname : infile,
 382                            FORMAT_PEM, 1, passin, e, "private key");
 383             if (!key)
 384                 goto export_end;
 385         }
 386
 387         /* Load in all certs in input file */
 388         if (!(options & NOCERTS)) {
 389             certs = load_certs(infile, FORMAT_PEM, NULL, e,
 390                                "certificates");
 391             if (!certs)
 392                 goto export_end;
 393
 394             if (key) {
 395                 /* Look for matching private key */
 396                 for (i = 0; i < sk_X509_num(certs); i++) {
 397                     x = sk_X509_value(certs, i);
 398                     if (X509_check_private_key(x, key)) {
 399                         ucert = x;
 400                         /* Zero keyid and alias */
 401                         X509_keyid_set1(ucert, NULL, 0);
 402                         X509_alias_set1(ucert, NULL, 0);
 403                         /* Remove from list */
 404                         (void)sk_X509_delete(certs, i);
 405                         break;
 406                     }
 407                 }
 408                 if (!ucert) {
 409                     BIO_printf(bio_err,
 410                                "No certificate matches private key\n");
 411                     goto export_end;
 412                 }
 413             }
 414
 415         }
 416
 417         /* Add any more certificates asked for */
 418         if (certfile) {
 419             STACK_OF(X509) *morecerts = NULL;
 420             if ((morecerts = load_certs(certfile, FORMAT_PEM, NULL, e,
 421                                         "certificates from certfile")) == NULL)
 422                 goto export_end;
 423             while (sk_X509_num(morecerts) > 0)
 424                 sk_X509_push(certs, sk_X509_shift(morecerts));
 425             sk_X509_free(morecerts);
 426         }
 427
 428         /* If chaining get chain from user cert */
 429         if (chain) {
 430             int vret;
 431             STACK_OF(X509) *chain2;
 432             X509_STORE *store;
 433             if ((store = setup_verify(CAfile, CApath)) == NULL)
 434                 goto export_end;
 435
 436             vret = get_cert_chain(ucert, store, &chain2);
 437             X509_STORE_free(store);
 438
 439             if (!vret) {
 440                 /* Exclude verified certificate */
 441                 for (i = 1; i < sk_X509_num(chain2); i++)
 442                     sk_X509_push(certs, sk_X509_value(chain2, i));
 443                 /* Free first certificate */
 444                 X509_free(sk_X509_value(chain2, 0));
 445                 sk_X509_free(chain2);
 446             } else {
 447                 if (vret >= 0)
 448                     BIO_printf(bio_err, "Error %s getting chain.\n",
 449                                X509_verify_cert_error_string(vret));
 450                 else
 451                     ERR_print_errors(bio_err);
 452                 goto export_end;
 453             }
 454         }
 455
 456         /* Add any CA names */
 457
 458         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 459             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 460             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 461         }
 462
 463         if (csp_name && key)
 464             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 465                                       MBSTRING_ASC, (unsigned char *)csp_name,
 466                                       -1);
 467
 468         if (add_lmk && key)
 469             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 470
 471         if (!noprompt &&
 472             EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:",
 473                                1)) {
 474             BIO_printf(bio_err, "Can't read Password\n");
 475             goto export_end;
 476         }
 477         if (!twopass)
 478             BUF_strlcpy(macpass, pass, sizeof macpass);
 479
 480         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 481                             key_pbe, cert_pbe, iter, -1, keytype);
 482
 483         if (!p12) {
 484             ERR_print_errors(bio_err);
 485             goto export_end;
 486         }
 487
 488         if (macalg) {
 489             if (!opt_md(macalg, &macmd))
 490                 goto opthelp;
 491         }
 492
 493         if (maciter != -1)
 494             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 495
 496         assert(private);
 497
 498         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 499         if (out == NULL)
 500             goto end;
 501
 502         i2d_PKCS12_bio(out, p12);
 503
 504         ret = 0;
 505
 506  export_end:
 507
 508         EVP_PKEY_free(key);
 509         sk_X509_pop_free(certs, X509_free);
 510         X509_free(ucert);
 511
 512         goto end;
 513
 514     }
 515
 516     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 517     if (in == NULL)
 518         goto end;
 519     out = bio_open_owner(outfile, FORMAT_PEM, private);
 520     if (out == NULL)
 521         goto end;
 522
 523     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 524         ERR_print_errors(bio_err);
 525         goto end;
 526     }
 527
 528     if (!noprompt
 529         && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:",
 530                               0)) {
 531         BIO_printf(bio_err, "Can't read Password\n");
 532         goto end;
 533     }
 534
 535     if (!twopass)
 536         BUF_strlcpy(macpass, pass, sizeof macpass);
 537
 538     if ((options & INFO) && p12->mac)
 539         BIO_printf(bio_err, "MAC Iteration %ld\n",
 540                    p12->mac->iter ? ASN1_INTEGER_get(p12->mac->iter) : 1);
 541     if (macver) {
 542         /* If we enter empty password try no password first */
 543         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 544             /* If mac and crypto pass the same set it to NULL too */
 545             if (!twopass)
 546                 cpass = NULL;
 547         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 548             BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 549             ERR_print_errors(bio_err);
 550             goto end;
 551         }
 552     }
 553
 554     assert(private);
 555     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 556         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 557         ERR_print_errors(bio_err);
 558         goto end;
 559     }
 560     ret = 0;
 561  end:
 562     PKCS12_free(p12);
 563     if (export_cert || inrand)
 564         app_RAND_write_file(NULL);
 565     BIO_free(in);
 566     BIO_free_all(out);
 567     sk_OPENSSL_STRING_free(canames);
 568     OPENSSL_free(passin);
 569     OPENSSL_free(passout);
 570     return (ret);
 571 }
 572
 573 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass,
 574                         int passlen, int options, char *pempass,
 575                         const EVP_CIPHER *enc)
 576 {
 577     STACK_OF(PKCS7) *asafes = NULL;
 578     STACK_OF(PKCS12_SAFEBAG) *bags;
 579     int i, bagnid;
 580     int ret = 0;
 581     PKCS7 *p7;
 582
 583     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 584         return 0;
 585     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 586         p7 = sk_PKCS7_value(asafes, i);
 587         bagnid = OBJ_obj2nid(p7->type);
 588         if (bagnid == NID_pkcs7_data) {
 589             bags = PKCS12_unpack_p7data(p7);
 590             if (options & INFO)
 591                 BIO_printf(bio_err, "PKCS7 Data\n");
 592         } else if (bagnid == NID_pkcs7_encrypted) {
 593             if (options & INFO) {
 594                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 595                 alg_print(p7->d.encrypted->enc_data->algorithm);
 596             }
 597             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 598         } else
 599             continue;
 600         if (!bags)
 601             goto err;
 602         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 603                                    options, pempass, enc)) {
 604             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 605             goto err;
 606         }
 607         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 608         bags = NULL;
 609     }
 610     ret = 1;
 611
 612  err:
 613     sk_PKCS7_pop_free(asafes, PKCS7_free);
 614     return ret;
 615 }
 616
 617 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
 618                           char *pass, int passlen, int options, char *pempass,
 619                           const EVP_CIPHER *enc)
 620 {
 621     int i;
 622     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 623         if (!dump_certs_pkeys_bag(out,
 624                                   sk_PKCS12_SAFEBAG_value(bags, i),
 625                                   pass, passlen, options, pempass, enc))
 626             return 0;
 627     }
 628     return 1;
 629 }
 630
 631 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bag, char *pass,
 632                          int passlen, int options, char *pempass,
 633                          const EVP_CIPHER *enc)
 634 {
 635     EVP_PKEY *pkey;
 636     PKCS8_PRIV_KEY_INFO *p8;
 637     X509 *x509;
 638
 639     switch (M_PKCS12_bag_type(bag)) {
 640     case NID_keyBag:
 641         if (options & INFO)
 642             BIO_printf(bio_err, "Key bag\n");
 643         if (options & NOKEYS)
 644             return 1;
 645         print_attribs(out, bag->attrib, "Bag Attributes");
 646         p8 = bag->value.keybag;
 647         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL)
 648             return 0;
 649         print_attribs(out, p8->attributes, "Key Attributes");
 650         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 651         EVP_PKEY_free(pkey);
 652         break;
 653
 654     case NID_pkcs8ShroudedKeyBag:
 655         if (options & INFO) {
 656             BIO_printf(bio_err, "Shrouded Keybag: ");
 657             alg_print(bag->value.shkeybag->algor);
 658         }
 659         if (options & NOKEYS)
 660             return 1;
 661         print_attribs(out, bag->attrib, "Bag Attributes");
 662         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 663             return 0;
 664         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 665             PKCS8_PRIV_KEY_INFO_free(p8);
 666             return 0;
 667         }
 668         print_attribs(out, p8->attributes, "Key Attributes");
 669         PKCS8_PRIV_KEY_INFO_free(p8);
 670         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 671         EVP_PKEY_free(pkey);
 672         break;
 673
 674     case NID_certBag:
 675         if (options & INFO)
 676             BIO_printf(bio_err, "Certificate bag\n");
 677         if (options & NOCERTS)
 678             return 1;
 679         if (PKCS12_get_attr(bag, NID_localKeyID)) {
 680             if (options & CACERTS)
 681                 return 1;
 682         } else if (options & CLCERTS)
 683             return 1;
 684         print_attribs(out, bag->attrib, "Bag Attributes");
 685         if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
 686             return 1;
 687         if ((x509 = PKCS12_certbag2x509(bag)) == NULL)
 688             return 0;
 689         dump_cert_text(out, x509);
 690         PEM_write_bio_X509(out, x509);
 691         X509_free(x509);
 692         break;
 693
 694     case NID_safeContentsBag:
 695         if (options & INFO)
 696             BIO_printf(bio_err, "Safe Contents bag\n");
 697         print_attribs(out, bag->attrib, "Bag Attributes");
 698         return dump_certs_pkeys_bags(out, bag->value.safes, pass,
 699                                      passlen, options, pempass, enc);
 700
 701     default:
 702         BIO_printf(bio_err, "Warning unsupported bag type: ");
 703         i2a_ASN1_OBJECT(bio_err, bag->type);
 704         BIO_printf(bio_err, "\n");
 705         return 1;
 706     }
 707     return 1;
 708 }
 709
 710 /* Given a single certificate return a verified chain or NULL if error */
 711
 712 /* Hope this is OK .... */
 713
 714 int get_cert_chain(X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)
 715 {
 716     X509_STORE_CTX store_ctx;
 717     STACK_OF(X509) *chn;
 718     int i = 0;
 719
 720     /*
 721      * FIXME: Should really check the return status of X509_STORE_CTX_init
 722      * for an error, but how that fits into the return value of this function
 723      * is less obvious.
 724      */
 725     X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
 726     if (X509_verify_cert(&store_ctx) <= 0) {
 727         i = X509_STORE_CTX_get_error(&store_ctx);
 728         if (i == 0)
 729             /*
 730              * avoid returning 0 if X509_verify_cert() did not set an
 731              * appropriate error value in the context
 732              */
 733             i = -1;
 734         chn = NULL;
 735         goto err;
 736     } else
 737         chn = X509_STORE_CTX_get1_chain(&store_ctx);
 738  err:
 739     X509_STORE_CTX_cleanup(&store_ctx);
 740     *chain = chn;
 741
 742     return i;
 743 }
 744
 745 static int alg_print(X509_ALGOR *alg)
 746 {
 747     PBEPARAM *pbe;
 748     const unsigned char *p = alg->parameter->value.sequence->data;
 749
 750     pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
 751     if (!pbe)
 752         return 1;
 753     BIO_printf(bio_err, "%s, Iteration %ld\n",
 754                OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
 755                ASN1_INTEGER_get(pbe->iter));
 756     PBEPARAM_free(pbe);
 757     return 1;
 758 }
 759
 760 /* Load all certificates from a given file */
 761
 762 int cert_load(BIO *in, STACK_OF(X509) *sk)
 763 {
 764     int ret;
 765     X509 *cert;
 766     ret = 0;
 767     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 768         ret = 1;
 769         sk_X509_push(sk, cert);
 770     }
 771     if (ret)
 772         ERR_clear_error();
 773     return ret;
 774 }
 775
 776 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 777
 778 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
 779                   const char *name)
 780 {
 781     X509_ATTRIBUTE *attr;
 782     ASN1_TYPE *av;
 783     char *value;
 784     int i, attr_nid;
 785     if (!attrlst) {
 786         BIO_printf(out, "%s: <No Attributes>\n", name);
 787         return 1;
 788     }
 789     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 790         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 791         return 1;
 792     }
 793     BIO_printf(out, "%s\n", name);
 794     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 795         ASN1_OBJECT *attr_obj;
 796         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 797         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 798         attr_nid = OBJ_obj2nid(attr_obj);
 799         BIO_printf(out, "    ");
 800         if (attr_nid == NID_undef) {
 801             i2a_ASN1_OBJECT(out, attr_obj);
 802             BIO_printf(out, ": ");
 803         } else
 804             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 805
 806         if (X509_ATTRIBUTE_count(attr)) {
 807             av = X509_ATTRIBUTE_get0_type(attr, 0);
 808             switch (av->type) {
 809             case V_ASN1_BMPSTRING:
 810                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 811                                         av->value.bmpstring->length);
 812                 BIO_printf(out, "%s\n", value);
 813                 OPENSSL_free(value);
 814                 break;
 815
 816             case V_ASN1_OCTET_STRING:
 817                 hex_prin(out, av->value.octet_string->data,
 818                          av->value.octet_string->length);
 819                 BIO_printf(out, "\n");
 820                 break;
 821
 822             case V_ASN1_BIT_STRING:
 823                 hex_prin(out, av->value.bit_string->data,
 824                          av->value.bit_string->length);
 825                 BIO_printf(out, "\n");
 826                 break;
 827
 828             default:
 829                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 830                 break;
 831             }
 832         } else
 833             BIO_printf(out, "<No Values>\n");
 834     }
 835     return 1;
 836 }
 837
 838 void hex_prin(BIO *out, unsigned char *buf, int len)
 839 {
 840     int i;
 841     for (i = 0; i < len; i++)
 842         BIO_printf(out, "%02X ", buf[i]);
 843 }
 844
 845 static int set_pbe(int *ppbe, const char *str)
 846 {
 847     if (!str)
 848         return 0;
 849     if (strcmp(str, "NONE") == 0) {
 850         *ppbe = -1;
 851         return 1;
 852     }
 853     *ppbe = OBJ_txt2nid(str);
 854     if (*ppbe == NID_undef) {
 855         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 856         return 0;
 857     }
 858     return 1;
 859 }
 860
 861 #endif