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_NOCAPATH, OPT_NOCAFILE, 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     {"no-CAfile", OPT_NOCAFILE, '-',
 153      "Do not load the default certificates file"},
 154     {"no-CApath", OPT_NOCAPATH, '-',
 155      "Do not load certificates from the default certificates directory"},
 156     {"", OPT_CIPHER, '-', "Any supported cipher"},
 157 # ifndef OPENSSL_NO_ENGINE
 158     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 159 # endif
 160     {NULL}
 161 };
 162
 163 int pkcs12_main(int argc, char **argv)
 164 {
 165     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 166     char *name = NULL, *csp_name = NULL;
 167     char pass[2048], macpass[2048];
 168     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 169     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 170 # ifndef OPENSSL_NO_RC2
 171     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 172 # else
 173     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 174 # endif
 175     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 176     int ret = 1, macver = 1, noprompt = 0, add_lmk = 0, private = 0;
 177     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 178     char *passin = NULL, *passout = NULL, *inrand = NULL, *macalg = NULL;
 179     char *cpass = NULL, *mpass = NULL, *CApath = NULL, *CAfile = NULL;
 180     char *prog;
 181     int noCApath = 0, noCAfile = 0;
 182     ENGINE *e = NULL;
 183     BIO *in = NULL, *out = NULL;
 184     PKCS12 *p12 = NULL;
 185     STACK_OF(OPENSSL_STRING) *canames = NULL;
 186     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 187     OPTION_CHOICE o;
 188
 189     prog = opt_init(argc, argv, pkcs12_options);
 190     while ((o = opt_next()) != OPT_EOF) {
 191         switch (o) {
 192         case OPT_EOF:
 193         case OPT_ERR:
 194  opthelp:
 195             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 196             goto end;
 197         case OPT_HELP:
 198             opt_help(pkcs12_options);
 199             ret = 0;
 200             goto end;
 201         case OPT_NOKEYS:
 202             options |= NOKEYS;
 203             break;
 204         case OPT_KEYEX:
 205             keytype = KEY_EX;
 206             break;
 207         case OPT_KEYSIG:
 208             keytype = KEY_SIG;
 209             break;
 210         case OPT_NOCERTS:
 211             options |= NOCERTS;
 212             break;
 213         case OPT_CLCERTS:
 214             options |= CLCERTS;
 215             break;
 216         case OPT_CACERTS:
 217             options |= CACERTS;
 218             break;
 219         case OPT_NOOUT:
 220             options |= (NOKEYS | NOCERTS);
 221             break;
 222         case OPT_INFO:
 223             options |= INFO;
 224             break;
 225         case OPT_CHAIN:
 226             chain = 1;
 227             break;
 228         case OPT_TWOPASS:
 229             twopass = 1;
 230             break;
 231         case OPT_NOMACVER:
 232             macver = 0;
 233             break;
 234         case OPT_DESCERT:
 235             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 236             break;
 237         case OPT_EXPORT:
 238             export_cert = 1;
 239             break;
 240         case OPT_CIPHER:
 241             if (!opt_cipher(opt_unknown(), &enc))
 242                 goto opthelp;
 243             break;
 244         case OPT_NOITER:
 245             iter = 1;
 246             break;
 247         case OPT_MACITER:
 248             maciter = PKCS12_DEFAULT_ITER;
 249             break;
 250         case OPT_NOMACITER:
 251             maciter = 1;
 252             break;
 253         case OPT_NOMAC:
 254             maciter = -1;
 255             break;
 256         case OPT_MACALG:
 257             macalg = opt_arg();
 258             break;
 259         case OPT_NODES:
 260             enc = NULL;
 261             break;
 262         case OPT_CERTPBE:
 263             if (!set_pbe(&cert_pbe, opt_arg()))
 264                 goto opthelp;
 265             break;
 266         case OPT_KEYPBE:
 267             if (!set_pbe(&key_pbe, opt_arg()))
 268                 goto opthelp;
 269             break;
 270         case OPT_RAND:
 271             inrand = opt_arg();
 272             break;
 273         case OPT_INKEY:
 274             keyname = opt_arg();
 275             break;
 276         case OPT_CERTFILE:
 277             certfile = opt_arg();
 278             break;
 279         case OPT_NAME:
 280             name = opt_arg();
 281             break;
 282         case OPT_LMK:
 283             add_lmk = 1;
 284             break;
 285         case OPT_CSP:
 286             csp_name = opt_arg();
 287             break;
 288         case OPT_CANAME:
 289             if (canames == NULL
 290                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 291                 goto end;
 292             sk_OPENSSL_STRING_push(canames, opt_arg());
 293             break;
 294         case OPT_IN:
 295             infile = opt_arg();
 296             break;
 297         case OPT_OUT:
 298             outfile = opt_arg();
 299             break;
 300         case OPT_PASSIN:
 301             passinarg = opt_arg();
 302             break;
 303         case OPT_PASSOUT:
 304             passoutarg = opt_arg();
 305             break;
 306         case OPT_PASSWORD:
 307             passarg = opt_arg();
 308             break;
 309         case OPT_CAPATH:
 310             CApath = opt_arg();
 311             break;
 312         case OPT_CAFILE:
 313             CAfile = opt_arg();
 314             break;
 315         case OPT_NOCAPATH:
 316             noCApath = 1;
 317             break;
 318         case OPT_NOCAFILE:
 319             noCAfile = 1;
 320             break;
 321         case OPT_ENGINE:
 322             e = setup_engine(opt_arg(), 0);
 323             break;
 324         }
 325     }
 326     argc = opt_num_rest();
 327     argv = opt_rest();
 328     private = 1;
 329
 330     if (passarg) {
 331         if (export_cert)
 332             passoutarg = passarg;
 333         else
 334             passinarg = passarg;
 335     }
 336
 337     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 338         BIO_printf(bio_err, "Error getting passwords\n");
 339         goto end;
 340     }
 341
 342     if (!cpass) {
 343         if (export_cert)
 344             cpass = passout;
 345         else
 346             cpass = passin;
 347     }
 348
 349     if (cpass) {
 350         mpass = cpass;
 351         noprompt = 1;
 352     } else {
 353         cpass = pass;
 354         mpass = macpass;
 355     }
 356
 357     if (export_cert || inrand) {
 358         app_RAND_load_file(NULL, (inrand != NULL));
 359         if (inrand != NULL)
 360             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 361                        app_RAND_load_files(inrand));
 362     }
 363
 364     if (twopass) {
 365         if (EVP_read_pw_string
 366             (macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
 367             BIO_printf(bio_err, "Can't read Password\n");
 368             goto end;
 369         }
 370     }
 371
 372     if (export_cert) {
 373         EVP_PKEY *key = NULL;
 374         X509 *ucert = NULL, *x = NULL;
 375         STACK_OF(X509) *certs = NULL;
 376         const EVP_MD *macmd = NULL;
 377         unsigned char *catmp = NULL;
 378         int i;
 379
 380         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 381             BIO_printf(bio_err, "Nothing to do!\n");
 382             goto export_end;
 383         }
 384
 385         if (options & NOCERTS)
 386             chain = 0;
 387
 388         if (!(options & NOKEYS)) {
 389             key = load_key(keyname ? keyname : infile,
 390                            FORMAT_PEM, 1, passin, e, "private key");
 391             if (!key)
 392                 goto export_end;
 393         }
 394
 395         /* Load in all certs in input file */
 396         if (!(options & NOCERTS)) {
 397             certs = load_certs(infile, FORMAT_PEM, NULL, e,
 398                                "certificates");
 399             if (!certs)
 400                 goto export_end;
 401
 402             if (key) {
 403                 /* Look for matching private key */
 404                 for (i = 0; i < sk_X509_num(certs); i++) {
 405                     x = sk_X509_value(certs, i);
 406                     if (X509_check_private_key(x, key)) {
 407                         ucert = x;
 408                         /* Zero keyid and alias */
 409                         X509_keyid_set1(ucert, NULL, 0);
 410                         X509_alias_set1(ucert, NULL, 0);
 411                         /* Remove from list */
 412                         (void)sk_X509_delete(certs, i);
 413                         break;
 414                     }
 415                 }
 416                 if (!ucert) {
 417                     BIO_printf(bio_err,
 418                                "No certificate matches private key\n");
 419                     goto export_end;
 420                 }
 421             }
 422
 423         }
 424
 425         /* Add any more certificates asked for */
 426         if (certfile) {
 427             STACK_OF(X509) *morecerts = NULL;
 428             if ((morecerts = load_certs(certfile, FORMAT_PEM, NULL, e,
 429                                         "certificates from certfile")) == NULL)
 430                 goto export_end;
 431             while (sk_X509_num(morecerts) > 0)
 432                 sk_X509_push(certs, sk_X509_shift(morecerts));
 433             sk_X509_free(morecerts);
 434         }
 435
 436         /* If chaining get chain from user cert */
 437         if (chain) {
 438             int vret;
 439             STACK_OF(X509) *chain2;
 440             X509_STORE *store;
 441             if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath))
 442                     == NULL)
 443                 goto export_end;
 444
 445             vret = get_cert_chain(ucert, store, &chain2);
 446             X509_STORE_free(store);
 447
 448             if (!vret) {
 449                 /* Exclude verified certificate */
 450                 for (i = 1; i < sk_X509_num(chain2); i++)
 451                     sk_X509_push(certs, sk_X509_value(chain2, i));
 452                 /* Free first certificate */
 453                 X509_free(sk_X509_value(chain2, 0));
 454                 sk_X509_free(chain2);
 455             } else {
 456                 if (vret >= 0)
 457                     BIO_printf(bio_err, "Error %s getting chain.\n",
 458                                X509_verify_cert_error_string(vret));
 459                 else
 460                     ERR_print_errors(bio_err);
 461                 goto export_end;
 462             }
 463         }
 464
 465         /* Add any CA names */
 466
 467         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 468             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 469             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 470         }
 471
 472         if (csp_name && key)
 473             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 474                                       MBSTRING_ASC, (unsigned char *)csp_name,
 475                                       -1);
 476
 477         if (add_lmk && key)
 478             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 479
 480         if (!noprompt &&
 481             EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:",
 482                                1)) {
 483             BIO_printf(bio_err, "Can't read Password\n");
 484             goto export_end;
 485         }
 486         if (!twopass)
 487             OPENSSL_strlcpy(macpass, pass, sizeof macpass);
 488
 489         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 490                             key_pbe, cert_pbe, iter, -1, keytype);
 491
 492         if (!p12) {
 493             ERR_print_errors(bio_err);
 494             goto export_end;
 495         }
 496
 497         if (macalg) {
 498             if (!opt_md(macalg, &macmd))
 499                 goto opthelp;
 500         }
 501
 502         if (maciter != -1)
 503             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 504
 505         assert(private);
 506
 507         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 508         if (out == NULL)
 509             goto end;
 510
 511         i2d_PKCS12_bio(out, p12);
 512
 513         ret = 0;
 514
 515  export_end:
 516
 517         EVP_PKEY_free(key);
 518         sk_X509_pop_free(certs, X509_free);
 519         X509_free(ucert);
 520
 521         goto end;
 522
 523     }
 524
 525     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 526     if (in == NULL)
 527         goto end;
 528     out = bio_open_owner(outfile, FORMAT_PEM, private);
 529     if (out == NULL)
 530         goto end;
 531
 532     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 533         ERR_print_errors(bio_err);
 534         goto end;
 535     }
 536
 537     if (!noprompt
 538         && EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:",
 539                               0)) {
 540         BIO_printf(bio_err, "Can't read Password\n");
 541         goto end;
 542     }
 543
 544     if (!twopass)
 545         OPENSSL_strlcpy(macpass, pass, sizeof macpass);
 546
 547     if ((options & INFO) && p12->mac)
 548         BIO_printf(bio_err, "MAC Iteration %ld\n",
 549                    p12->mac->iter ? ASN1_INTEGER_get(p12->mac->iter) : 1);
 550     if (macver) {
 551         /* If we enter empty password try no password first */
 552         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 553             /* If mac and crypto pass the same set it to NULL too */
 554             if (!twopass)
 555                 cpass = NULL;
 556         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 557             BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 558             ERR_print_errors(bio_err);
 559             goto end;
 560         }
 561     }
 562
 563     assert(private);
 564     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 565         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 566         ERR_print_errors(bio_err);
 567         goto end;
 568     }
 569     ret = 0;
 570  end:
 571     PKCS12_free(p12);
 572     if (export_cert || inrand)
 573         app_RAND_write_file(NULL);
 574     BIO_free(in);
 575     BIO_free_all(out);
 576     sk_OPENSSL_STRING_free(canames);
 577     OPENSSL_free(passin);
 578     OPENSSL_free(passout);
 579     return (ret);
 580 }
 581
 582 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass,
 583                         int passlen, int options, char *pempass,
 584                         const EVP_CIPHER *enc)
 585 {
 586     STACK_OF(PKCS7) *asafes = NULL;
 587     STACK_OF(PKCS12_SAFEBAG) *bags;
 588     int i, bagnid;
 589     int ret = 0;
 590     PKCS7 *p7;
 591
 592     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 593         return 0;
 594     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 595         p7 = sk_PKCS7_value(asafes, i);
 596         bagnid = OBJ_obj2nid(p7->type);
 597         if (bagnid == NID_pkcs7_data) {
 598             bags = PKCS12_unpack_p7data(p7);
 599             if (options & INFO)
 600                 BIO_printf(bio_err, "PKCS7 Data\n");
 601         } else if (bagnid == NID_pkcs7_encrypted) {
 602             if (options & INFO) {
 603                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 604                 alg_print(p7->d.encrypted->enc_data->algorithm);
 605             }
 606             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 607         } else
 608             continue;
 609         if (!bags)
 610             goto err;
 611         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 612                                    options, pempass, enc)) {
 613             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 614             goto err;
 615         }
 616         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 617         bags = NULL;
 618     }
 619     ret = 1;
 620
 621  err:
 622     sk_PKCS7_pop_free(asafes, PKCS7_free);
 623     return ret;
 624 }
 625
 626 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
 627                           char *pass, int passlen, int options, char *pempass,
 628                           const EVP_CIPHER *enc)
 629 {
 630     int i;
 631     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 632         if (!dump_certs_pkeys_bag(out,
 633                                   sk_PKCS12_SAFEBAG_value(bags, i),
 634                                   pass, passlen, options, pempass, enc))
 635             return 0;
 636     }
 637     return 1;
 638 }
 639
 640 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bag, char *pass,
 641                          int passlen, int options, char *pempass,
 642                          const EVP_CIPHER *enc)
 643 {
 644     EVP_PKEY *pkey;
 645     PKCS8_PRIV_KEY_INFO *p8;
 646     X509 *x509;
 647
 648     switch (M_PKCS12_bag_type(bag)) {
 649     case NID_keyBag:
 650         if (options & INFO)
 651             BIO_printf(bio_err, "Key bag\n");
 652         if (options & NOKEYS)
 653             return 1;
 654         print_attribs(out, bag->attrib, "Bag Attributes");
 655         p8 = bag->value.keybag;
 656         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL)
 657             return 0;
 658         print_attribs(out, p8->attributes, "Key Attributes");
 659         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 660         EVP_PKEY_free(pkey);
 661         break;
 662
 663     case NID_pkcs8ShroudedKeyBag:
 664         if (options & INFO) {
 665             BIO_printf(bio_err, "Shrouded Keybag: ");
 666             alg_print(bag->value.shkeybag->algor);
 667         }
 668         if (options & NOKEYS)
 669             return 1;
 670         print_attribs(out, bag->attrib, "Bag Attributes");
 671         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 672             return 0;
 673         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 674             PKCS8_PRIV_KEY_INFO_free(p8);
 675             return 0;
 676         }
 677         print_attribs(out, p8->attributes, "Key Attributes");
 678         PKCS8_PRIV_KEY_INFO_free(p8);
 679         PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 680         EVP_PKEY_free(pkey);
 681         break;
 682
 683     case NID_certBag:
 684         if (options & INFO)
 685             BIO_printf(bio_err, "Certificate bag\n");
 686         if (options & NOCERTS)
 687             return 1;
 688         if (PKCS12_get_attr(bag, NID_localKeyID)) {
 689             if (options & CACERTS)
 690                 return 1;
 691         } else if (options & CLCERTS)
 692             return 1;
 693         print_attribs(out, bag->attrib, "Bag Attributes");
 694         if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
 695             return 1;
 696         if ((x509 = PKCS12_certbag2x509(bag)) == NULL)
 697             return 0;
 698         dump_cert_text(out, x509);
 699         PEM_write_bio_X509(out, x509);
 700         X509_free(x509);
 701         break;
 702
 703     case NID_safeContentsBag:
 704         if (options & INFO)
 705             BIO_printf(bio_err, "Safe Contents bag\n");
 706         print_attribs(out, bag->attrib, "Bag Attributes");
 707         return dump_certs_pkeys_bags(out, bag->value.safes, pass,
 708                                      passlen, options, pempass, enc);
 709
 710     default:
 711         BIO_printf(bio_err, "Warning unsupported bag type: ");
 712         i2a_ASN1_OBJECT(bio_err, bag->type);
 713         BIO_printf(bio_err, "\n");
 714         return 1;
 715     }
 716     return 1;
 717 }
 718
 719 /* Given a single certificate return a verified chain or NULL if error */
 720
 721 /* Hope this is OK .... */
 722
 723 int get_cert_chain(X509 *cert, X509_STORE *store, STACK_OF(X509) **chain)
 724 {
 725     X509_STORE_CTX store_ctx;
 726     STACK_OF(X509) *chn;
 727     int i = 0;
 728
 729     /*
 730      * FIXME: Should really check the return status of X509_STORE_CTX_init
 731      * for an error, but how that fits into the return value of this function
 732      * is less obvious.
 733      */
 734     X509_STORE_CTX_init(&store_ctx, store, cert, NULL);
 735     if (X509_verify_cert(&store_ctx) <= 0) {
 736         i = X509_STORE_CTX_get_error(&store_ctx);
 737         if (i == 0)
 738             /*
 739              * avoid returning 0 if X509_verify_cert() did not set an
 740              * appropriate error value in the context
 741              */
 742             i = -1;
 743         chn = NULL;
 744         goto err;
 745     } else
 746         chn = X509_STORE_CTX_get1_chain(&store_ctx);
 747  err:
 748     X509_STORE_CTX_cleanup(&store_ctx);
 749     *chain = chn;
 750
 751     return i;
 752 }
 753
 754 static int alg_print(X509_ALGOR *alg)
 755 {
 756     PBEPARAM *pbe;
 757     const unsigned char *p = alg->parameter->value.sequence->data;
 758
 759     pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
 760     if (!pbe)
 761         return 1;
 762     BIO_printf(bio_err, "%s, Iteration %ld\n",
 763                OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
 764                ASN1_INTEGER_get(pbe->iter));
 765     PBEPARAM_free(pbe);
 766     return 1;
 767 }
 768
 769 /* Load all certificates from a given file */
 770
 771 int cert_load(BIO *in, STACK_OF(X509) *sk)
 772 {
 773     int ret;
 774     X509 *cert;
 775     ret = 0;
 776     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 777         ret = 1;
 778         sk_X509_push(sk, cert);
 779     }
 780     if (ret)
 781         ERR_clear_error();
 782     return ret;
 783 }
 784
 785 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 786
 787 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
 788                   const char *name)
 789 {
 790     X509_ATTRIBUTE *attr;
 791     ASN1_TYPE *av;
 792     char *value;
 793     int i, attr_nid;
 794     if (!attrlst) {
 795         BIO_printf(out, "%s: <No Attributes>\n", name);
 796         return 1;
 797     }
 798     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 799         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 800         return 1;
 801     }
 802     BIO_printf(out, "%s\n", name);
 803     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 804         ASN1_OBJECT *attr_obj;
 805         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 806         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 807         attr_nid = OBJ_obj2nid(attr_obj);
 808         BIO_printf(out, "    ");
 809         if (attr_nid == NID_undef) {
 810             i2a_ASN1_OBJECT(out, attr_obj);
 811             BIO_printf(out, ": ");
 812         } else
 813             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 814
 815         if (X509_ATTRIBUTE_count(attr)) {
 816             av = X509_ATTRIBUTE_get0_type(attr, 0);
 817             switch (av->type) {
 818             case V_ASN1_BMPSTRING:
 819                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 820                                         av->value.bmpstring->length);
 821                 BIO_printf(out, "%s\n", value);
 822                 OPENSSL_free(value);
 823                 break;
 824
 825             case V_ASN1_OCTET_STRING:
 826                 hex_prin(out, av->value.octet_string->data,
 827                          av->value.octet_string->length);
 828                 BIO_printf(out, "\n");
 829                 break;
 830
 831             case V_ASN1_BIT_STRING:
 832                 hex_prin(out, av->value.bit_string->data,
 833                          av->value.bit_string->length);
 834                 BIO_printf(out, "\n");
 835                 break;
 836
 837             default:
 838                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 839                 break;
 840             }
 841         } else
 842             BIO_printf(out, "<No Values>\n");
 843     }
 844     return 1;
 845 }
 846
 847 void hex_prin(BIO *out, unsigned char *buf, int len)
 848 {
 849     int i;
 850     for (i = 0; i < len; i++)
 851         BIO_printf(out, "%02X ", buf[i]);
 852 }
 853
 854 static int set_pbe(int *ppbe, const char *str)
 855 {
 856     if (!str)
 857         return 0;
 858     if (strcmp(str, "NONE") == 0) {
 859         *ppbe = -1;
 860         return 1;
 861     }
 862     *ppbe = OBJ_txt2nid(str);
 863     if (*ppbe == NID_undef) {
 864         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 865         return 0;
 866     }
 867     return 1;
 868 }
 869
 870 #endif