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 # ifndef OPENSSL_NO_ENGINE
 153     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 154 # endif
 155     {"", OPT_CIPHER, '-', "Any supported cipher"},
 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[50], macpass[50];
 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;
 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
 318     if (passarg) {
 319         if (export_cert)
 320             passoutarg = passarg;
 321         else
 322             passinarg = passarg;
 323     }
 324
 325     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 326         BIO_printf(bio_err, "Error getting passwords\n");
 327         goto end;
 328     }
 329
 330     if (!cpass) {
 331         if (export_cert)
 332             cpass = passout;
 333         else
 334             cpass = passin;
 335     }
 336
 337     if (cpass) {
 338         mpass = cpass;
 339         noprompt = 1;
 340     } else {
 341         cpass = pass;
 342         mpass = macpass;
 343     }
 344
 345     if (export_cert || inrand) {
 346         app_RAND_load_file(NULL, (inrand != NULL));
 347         if (inrand != NULL)
 348             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 349                        app_RAND_load_files(inrand));
 350     }
 351
 352     in = bio_open_default(infile, "rb");
 353     if (in == NULL)
 354         goto end;
 355
 356     out = bio_open_default(outfile, "wb");
 357     if (out == NULL)
 358         goto end;
 359
 360     if (twopass) {
 361         if (EVP_read_pw_string
 362             (macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
 363             BIO_printf(bio_err, "Can't read Password\n");
 364             goto end;
 365         }
 366     }
 367
 368     if (export_cert) {
 369         EVP_PKEY *key = NULL;
 370         X509 *ucert = NULL, *x = NULL;
 371         STACK_OF(X509) *certs = NULL;
 372         const EVP_MD *macmd = NULL;
 373         unsigned char *catmp = NULL;
 374         int i;
 375
 376         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 377             BIO_printf(bio_err, "Nothing to do!\n");
 378             goto export_end;
 379         }
 380
 381         if (options & NOCERTS)
 382             chain = 0;
 383
 384         if (!(options & NOKEYS)) {
 385             key = load_key(keyname ? keyname : infile,
 386                            FORMAT_PEM, 1, passin, e, "private key");
 387             if (!key)
 388                 goto export_end;
 389         }
 390
 391         /* Load in all certs in input file */
 392         if (!(options & NOCERTS)) {
 393             certs = load_certs(infile, FORMAT_PEM, NULL, e,
 394                                "certificates");
 395             if (!certs)
 396                 goto export_end;
 397
 398             if (key) {
 399                 /* Look for matching private key */
 400                 for (i = 0; i < sk_X509_num(certs); i++) {
 401                     x = sk_X509_value(certs, i);
 402                     if (X509_check_private_key(x, key)) {
 403                         ucert = x;
 404                         /* Zero keyid and alias */
 405                         X509_keyid_set1(ucert, NULL, 0);
 406                         X509_alias_set1(ucert, NULL, 0);
 407                         /* Remove from list */
 408                         (void)sk_X509_delete(certs, i);
 409                         break;
 410                     }
 411                 }
 412                 if (!ucert) {
 413                     BIO_printf(bio_err,
 414                                "No certificate matches private key\n");
 415                     goto export_end;
 416                 }
 417             }
 418
 419         }
 420
 421         /* Add any more certificates asked for */
 422         if (certfile) {
 423             STACK_OF(X509) *morecerts = NULL;
 424             if ((morecerts = load_certs(certfile, FORMAT_PEM, NULL, e,
 425                                         "certificates from certfile")) == NULL)
 426                 goto export_end;
 427             while (sk_X509_num(morecerts) > 0)
 428                 sk_X509_push(certs, sk_X509_shift(morecerts));
 429             sk_X509_free(morecerts);
 430         }
 431
 432         /* If chaining get chain from user cert */
 433         if (chain) {
 434             int vret;
 435             STACK_OF(X509) *chain2;
 436             X509_STORE *store;
 437             if ((store = setup_verify(CAfile, CApath)) == NULL)
 438                 goto export_end;
 439
 440             vret = get_cert_chain(ucert, store, &chain2);
 441             X509_STORE_free(store);
 442
 443             if (!vret) {
 444                 /* Exclude verified certificate */
 445                 for (i = 1; i < sk_X509_num(chain2); i++)
 446                     sk_X509_push(certs, sk_X509_value(chain2, i));
 447                 /* Free first certificate */
 448                 X509_free(sk_X509_value(chain2, 0));
 449                 sk_X509_free(chain2);
 450             } else {
 451                 if (vret >= 0)
 452                     BIO_printf(bio_err, "Error %s getting chain.\n",
 453                                X509_verify_cert_error_string(vret));
 454                 else
 455                     ERR_print_errors(bio_err);
 456                 goto export_end;
 457             }
 458         }
 459
 460         /* Add any CA names */
 461
 462         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 463             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 464             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 465         }
 466
 467         if (csp_name && key)
 468             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 469                                       MBSTRING_ASC, (unsigned char *)csp_name,
 470                                       -1);
 471
 472         if (add_lmk && key)
 473             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 474
 475         if (!noprompt &&
 476             EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:",
 477                                1)) {
 478             BIO_printf(bio_err, "Can't read Password\n");
 479             goto export_end;
 480         }
 481         if (!twopass)
 482             BUF_strlcpy(macpass, pass, sizeof macpass);
 483
 484         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 485                             key_pbe, cert_pbe, iter, -1, keytype);
 486
 487         if (!p12) {
 488             ERR_print_errors(bio_err);
 489             goto export_end;
 490         }
 491
 492         if (macalg) {
 493             if (!opt_md(macalg, &macmd))
 494                 goto opthelp;
 495         }
 496
 497         if (maciter != -1)
 498             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 499
 500         i2d_PKCS12_bio(out, p12);
 501
 502         ret = 0;
 503
 504  export_end:
 505
 506         EVP_PKEY_free(key);
 507         sk_X509_pop_free(certs, X509_free);
 508         X509_free(ucert);
 509
 510         goto end;
 511
 512     }
 513
 514     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 515         ERR_print_errors(bio_err);
 516         goto end;
 517     }
 518
 519     if (!noprompt
 520         && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:",
 521                               0)) {
 522         BIO_printf(bio_err, "Can't read Password\n");
 523         goto end;
 524     }
 525
 526     if (!twopass)
 527         BUF_strlcpy(macpass, pass, sizeof macpass);
 528
 529     if ((options & INFO) && p12->mac)
 530         BIO_printf(bio_err, "MAC Iteration %ld\n",
 531                    p12->mac->iter ? ASN1_INTEGER_get(p12->mac->iter) : 1);
 532     if (macver) {
 533         /* If we enter empty password try no password first */
 534         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 535             /* If mac and crypto pass the same set it to NULL too */
 536             if (!twopass)
 537                 cpass = NULL;
 538         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 539             BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 540             ERR_print_errors(bio_err);
 541             goto end;
 542         }
 543     }
 544
 545     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 546         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 547         ERR_print_errors(bio_err);
 548         goto end;
 549     }
 550     ret = 0;
 551  end:
 552     PKCS12_free(p12);
 553     if (export_cert || inrand)
 554         app_RAND_write_file(NULL);
 555     BIO_free(in);
 556     BIO_free_all(out);
 557     sk_OPENSSL_STRING_free(canames);
 558     OPENSSL_free(passin);
 559     OPENSSL_free(passout);
 560     return (ret);
 561 }
 562
 563 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass,
 564                         int passlen, int options, char *pempass,
 565                         const EVP_CIPHER *enc)
 566 {
 567     STACK_OF(PKCS7) *asafes = NULL;
 568     STACK_OF(PKCS12_SAFEBAG) *bags;
 569     int i, bagnid;
 570     int ret = 0;
 571     PKCS7 *p7;
 572
 573     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 574         return 0;
 575     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 576         p7 = sk_PKCS7_value(asafes, i);
 577         bagnid = OBJ_obj2nid(p7->type);
 578         if (bagnid == NID_pkcs7_data) {
 579             bags = PKCS12_unpack_p7data(p7);
 580             if (options & INFO)
 581                 BIO_printf(bio_err, "PKCS7 Data\n");
 582         } else if (bagnid == NID_pkcs7_encrypted) {
 583             if (options & INFO) {
 584                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 585                 alg_print(p7->d.encrypted->enc_data->algorithm);
 586             }
 587             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 588         } else
 589             continue;
 590         if (!bags)
 591             goto err;
 592         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 593                                    options, pempass, enc)) {
 594             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 595             goto err;
 596         }
 597         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 598         bags = NULL;
 599     }
 600     ret = 1;
 601
 602  err:
 603     sk_PKCS7_pop_free(asafes, PKCS7_free);
 604     return ret;
 605 }
 606
 607 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
 608                           char *pass, int passlen, int options, char *pempass,
 609                           const EVP_CIPHER *enc)
 610 {
 611     int i;
 612     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 613         if (!dump_certs_pkeys_bag(out,
 614                                   sk_PKCS12_SAFEBAG_value(bags, i),
 615                                   pass, passlen, options, pempass, enc))
 616             return 0;
 617     }
 618     return 1;
 619 }
 620
 621 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bag, char *pass,
 622                          int passlen, int options, char *pempass,
 623                          const EVP_CIPHER *enc)
 624 {
 625     EVP_PKEY *pkey;
 626     PKCS8_PRIV_KEY_INFO *p8;
 627     X509 *x509;
 628
 629     switch (M_PKCS12_bag_type(bag)) {
 630     case NID_keyBag:
 631         if (options & INFO)
 632             BIO_printf(bio_err, "Key bag\n");
 633         if (options & NOKEYS)
 634             return 1;
 635         print_attribs(out, bag->attrib, "Bag Attributes");
 636         p8 = bag->value.keybag;
 637         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL)
 638             return 0;
 639         print_attribs(out, p8->attributes, "Key Attributes");
 640         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 641         EVP_PKEY_free(pkey);
 642         break;
 643
 644     case NID_pkcs8ShroudedKeyBag:
 645         if (options & INFO) {
 646             BIO_printf(bio_err, "Shrouded Keybag: ");
 647             alg_print(bag->value.shkeybag->algor);
 648         }
 649         if (options & NOKEYS)
 650             return 1;
 651         print_attribs(out, bag->attrib, "Bag Attributes");
 652         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 653             return 0;
 654         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 655             PKCS8_PRIV_KEY_INFO_free(p8);
 656             return 0;
 657         }
 658         print_attribs(out, p8->attributes, "Key Attributes");
 659         PKCS8_PRIV_KEY_INFO_free(p8);
 660         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 661         EVP_PKEY_free(pkey);
 662         break;
 663
 664     case NID_certBag:
 665         if (options & INFO)
 666             BIO_printf(bio_err, "Certificate bag\n");
 667         if (options & NOCERTS)
 668             return 1;
 669         if (PKCS12_get_attr(bag, NID_localKeyID)) {
 670             if (options & CACERTS)
 671                 return 1;
 672         } else if (options & CLCERTS)
 673             return 1;
 674         print_attribs(out, bag->attrib, "Bag Attributes");
 675         if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
 676             return 1;
 677         if ((x509 = PKCS12_certbag2x509(bag)) == NULL)
 678             return 0;
 679         dump_cert_text(out, x509);
 680         PEM_write_bio_X509(out, x509);
 681         X509_free(x509);
 682         break;
 683
 684     case NID_safeContentsBag:
 685         if (options & INFO)
 686             BIO_printf(bio_err, "Safe Contents bag\n");
 687         print_attribs(out, bag->attrib, "Bag Attributes");
 688         return dump_certs_pkeys_bags(out, bag->value.safes, pass,
 689                                      passlen, options, pempass, enc);
 690
 691     default:
 692         BIO_printf(bio_err, "Warning unsupported bag type: ");
 693         i2a_ASN1_OBJECT(bio_err, bag->type);
 694         BIO_printf(bio_err, "\n");
 695         return 1;
 696     }
 697     return 1;
 698 }
 699
 700 /* Given a single certificate return a verified chain or NULL if error */
 701
 702 /* Hope this is OK .... */
 703
 704 int get_cert_chain(X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)
 705 {
 706     X509_STORE_CTX store_ctx;
 707     STACK_OF(X509) *chn;
 708     int i = 0;
 709
 710     /*
 711      * FIXME: Should really check the return status of X509_STORE_CTX_init
 712      * for an error, but how that fits into the return value of this function
 713      * is less obvious.
 714      */
 715     X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
 716     if (X509_verify_cert(&store_ctx) <= 0) {
 717         i = X509_STORE_CTX_get_error(&store_ctx);
 718         if (i == 0)
 719             /*
 720              * avoid returning 0 if X509_verify_cert() did not set an
 721              * appropriate error value in the context
 722              */
 723             i = -1;
 724         chn = NULL;
 725         goto err;
 726     } else
 727         chn = X509_STORE_CTX_get1_chain(&store_ctx);
 728  err:
 729     X509_STORE_CTX_cleanup(&store_ctx);
 730     *chain = chn;
 731
 732     return i;
 733 }
 734
 735 static int alg_print(X509_ALGOR *alg)
 736 {
 737     PBEPARAM *pbe;
 738     const unsigned char *p = alg->parameter->value.sequence->data;
 739
 740     pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
 741     if (!pbe)
 742         return 1;
 743     BIO_printf(bio_err, "%s, Iteration %ld\n",
 744                OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
 745                ASN1_INTEGER_get(pbe->iter));
 746     PBEPARAM_free(pbe);
 747     return 1;
 748 }
 749
 750 /* Load all certificates from a given file */
 751
 752 int cert_load(BIO *in, STACK_OF(X509) *sk)
 753 {
 754     int ret;
 755     X509 *cert;
 756     ret = 0;
 757     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 758         ret = 1;
 759         sk_X509_push(sk, cert);
 760     }
 761     if (ret)
 762         ERR_clear_error();
 763     return ret;
 764 }
 765
 766 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 767
 768 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
 769                   const char *name)
 770 {
 771     X509_ATTRIBUTE *attr;
 772     ASN1_TYPE *av;
 773     char *value;
 774     int i, attr_nid;
 775     if (!attrlst) {
 776         BIO_printf(out, "%s: <No Attributes>\n", name);
 777         return 1;
 778     }
 779     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 780         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 781         return 1;
 782     }
 783     BIO_printf(out, "%s\n", name);
 784     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 785         ASN1_OBJECT *attr_obj;
 786         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 787         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 788         attr_nid = OBJ_obj2nid(attr_obj);
 789         BIO_printf(out, "    ");
 790         if (attr_nid == NID_undef) {
 791             i2a_ASN1_OBJECT(out, attr_obj);
 792             BIO_printf(out, ": ");
 793         } else
 794             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 795
 796         if (X509_ATTRIBUTE_count(attr)) {
 797             av = X509_ATTRIBUTE_get0_type(attr, 0);
 798             switch (av->type) {
 799             case V_ASN1_BMPSTRING:
 800                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 801                                         av->value.bmpstring->length);
 802                 BIO_printf(out, "%s\n", value);
 803                 OPENSSL_free(value);
 804                 break;
 805
 806             case V_ASN1_OCTET_STRING:
 807                 hex_prin(out, av->value.octet_string->data,
 808                          av->value.octet_string->length);
 809                 BIO_printf(out, "\n");
 810                 break;
 811
 812             case V_ASN1_BIT_STRING:
 813                 hex_prin(out, av->value.bit_string->data,
 814                          av->value.bit_string->length);
 815                 BIO_printf(out, "\n");
 816                 break;
 817
 818             default:
 819                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 820                 break;
 821             }
 822         } else
 823             BIO_printf(out, "<No Values>\n");
 824     }
 825     return 1;
 826 }
 827
 828 void hex_prin(BIO *out, unsigned char *buf, int len)
 829 {
 830     int i;
 831     for (i = 0; i < len; i++)
 832         BIO_printf(out, "%02X ", buf[i]);
 833 }
 834
 835 static int set_pbe(int *ppbe, const char *str)
 836 {
 837     if (!str)
 838         return 0;
 839     if (strcmp(str, "NONE") == 0) {
 840         *ppbe = -1;
 841         return 1;
 842     }
 843     *ppbe = OBJ_txt2nid(str);
 844     if (*ppbe == NID_undef) {
 845         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 846         return 0;
 847     }
 848     return 1;
 849 }
 850
 851 #endif