apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <openssl/opensslconf.h>
  11 #if defined(OPENSSL_NO_DES)
  12 NON_EMPTY_TRANSLATION_UNIT
  13 #else
  14
  15 # include <stdio.h>
  16 # include <stdlib.h>
  17 # include <string.h>
  18 # include "apps.h"
  19 # include "progs.h"
  20 # include <openssl/crypto.h>
  21 # include <openssl/err.h>
  22 # include <openssl/pem.h>
  23 # include <openssl/pkcs12.h>
  24
  25 # define NOKEYS          0x1
  26 # define NOCERTS         0x2
  27 # define INFO            0x4
  28 # define CLCERTS         0x8
  29 # define CACERTS         0x10
  30
  31 #define PASSWD_BUF_SIZE 2048
  32
  33 static int get_cert_chain(X509 *cert, X509_STORE *store,
  34                           STACK_OF(X509) **chain);
  35 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
  36                         const char *pass, int passlen, int options,
  37                         char *pempass, const EVP_CIPHER *enc);
  38 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
  39                           const char *pass, int passlen, int options,
  40                           char *pempass, const EVP_CIPHER *enc);
  41 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
  42                          const char *pass, int passlen,
  43                          int options, char *pempass, const EVP_CIPHER *enc);
  44 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
  45                   const char *name);
  46 void hex_prin(BIO *out, unsigned char *buf, int len);
  47 static int alg_print(const X509_ALGOR *alg);
  48 int cert_load(BIO *in, STACK_OF(X509) *sk);
  49 static int set_pbe(int *ppbe, const char *str);
  50
  51 typedef enum OPTION_choice {
  52     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  53     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  54     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  55     OPT_DESCERT, OPT_EXPORT, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  56     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  57     OPT_INKEY, OPT_CERTFILE, OPT_NAME, OPT_CSP, OPT_CANAME,
  58     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  59     OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_ENGINE,
  60     OPT_R_ENUM
  61 } OPTION_CHOICE;
  62
  63 const OPTIONS pkcs12_options[] = {
  64     {"help", OPT_HELP, '-', "Display this summary"},
  65     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
  66     {"keyex", OPT_KEYEX, '-', "Set MS key exchange type"},
  67     {"keysig", OPT_KEYSIG, '-', "Set MS key signature type"},
  68     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
  69     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
  70     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
  71     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
  72     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
  73     {"chain", OPT_CHAIN, '-', "Add certificate chain"},
  74     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
  75     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
  76 # ifndef OPENSSL_NO_RC2
  77     {"descert", OPT_DESCERT, '-',
  78      "Encrypt output with 3DES (default RC2-40)"},
  79     {"certpbe", OPT_CERTPBE, 's',
  80      "Certificate PBE algorithm (default RC2-40)"},
  81 # else
  82     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
  83     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
  84 # endif
  85     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
  86     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
  87     {"maciter", OPT_MACITER, '-', "Use MAC iteration"},
  88     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
  89     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
  90     {"LMK", OPT_LMK, '-',
  91      "Add local machine keyset attribute to private key"},
  92     {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
  93     {"macalg", OPT_MACALG, 's',
  94      "Digest algorithm used in MAC (default SHA1)"},
  95     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
  96     OPT_R_OPTIONS,
  97     {"inkey", OPT_INKEY, 's', "Private key if not infile"},
  98     {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
  99     {"name", OPT_NAME, 's', "Use name as friendly name"},
 100     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
 101     {"caname", OPT_CANAME, 's',
 102      "Use name as CA friendly name (can be repeated)"},
 103     {"in", OPT_IN, '<', "Input filename"},
 104     {"out", OPT_OUT, '>', "Output filename"},
 105     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 106     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 107     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 108     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 109     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 110     {"no-CAfile", OPT_NOCAFILE, '-',
 111      "Do not load the default certificates file"},
 112     {"no-CApath", OPT_NOCAPATH, '-',
 113      "Do not load certificates from the default certificates directory"},
 114     {"", OPT_CIPHER, '-', "Any supported cipher"},
 115 # ifndef OPENSSL_NO_ENGINE
 116     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 117 # endif
 118     {NULL}
 119 };
 120
 121 int pkcs12_main(int argc, char **argv)
 122 {
 123     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 124     char *name = NULL, *csp_name = NULL;
 125     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 126     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 127     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 128 # ifndef OPENSSL_NO_RC2
 129     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 130 # else
 131     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 132 # endif
 133     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 134     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 135     int noprompt = 0;
 136     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 137     char *passin = NULL, *passout = NULL, *macalg = NULL;
 138     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 139     const char *CApath = NULL, *CAfile = NULL, *prog;
 140     int noCApath = 0, noCAfile = 0;
 141     ENGINE *e = NULL;
 142     BIO *in = NULL, *out = NULL;
 143     PKCS12 *p12 = NULL;
 144     STACK_OF(OPENSSL_STRING) *canames = NULL;
 145     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 146     OPTION_CHOICE o;
 147
 148     prog = opt_init(argc, argv, pkcs12_options);
 149     while ((o = opt_next()) != OPT_EOF) {
 150         switch (o) {
 151         case OPT_EOF:
 152         case OPT_ERR:
 153  opthelp:
 154             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 155             goto end;
 156         case OPT_HELP:
 157             opt_help(pkcs12_options);
 158             ret = 0;
 159             goto end;
 160         case OPT_NOKEYS:
 161             options |= NOKEYS;
 162             break;
 163         case OPT_KEYEX:
 164             keytype = KEY_EX;
 165             break;
 166         case OPT_KEYSIG:
 167             keytype = KEY_SIG;
 168             break;
 169         case OPT_NOCERTS:
 170             options |= NOCERTS;
 171             break;
 172         case OPT_CLCERTS:
 173             options |= CLCERTS;
 174             break;
 175         case OPT_CACERTS:
 176             options |= CACERTS;
 177             break;
 178         case OPT_NOOUT:
 179             options |= (NOKEYS | NOCERTS);
 180             break;
 181         case OPT_INFO:
 182             options |= INFO;
 183             break;
 184         case OPT_CHAIN:
 185             chain = 1;
 186             break;
 187         case OPT_TWOPASS:
 188             twopass = 1;
 189             break;
 190         case OPT_NOMACVER:
 191             macver = 0;
 192             break;
 193         case OPT_DESCERT:
 194             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 195             break;
 196         case OPT_EXPORT:
 197             export_cert = 1;
 198             break;
 199         case OPT_CIPHER:
 200             if (!opt_cipher(opt_unknown(), &enc))
 201                 goto opthelp;
 202             break;
 203         case OPT_NOITER:
 204             iter = 1;
 205             break;
 206         case OPT_MACITER:
 207             maciter = PKCS12_DEFAULT_ITER;
 208             break;
 209         case OPT_NOMACITER:
 210             maciter = 1;
 211             break;
 212         case OPT_NOMAC:
 213             maciter = -1;
 214             break;
 215         case OPT_MACALG:
 216             macalg = opt_arg();
 217             break;
 218         case OPT_NODES:
 219             enc = NULL;
 220             break;
 221         case OPT_CERTPBE:
 222             if (!set_pbe(&cert_pbe, opt_arg()))
 223                 goto opthelp;
 224             break;
 225         case OPT_KEYPBE:
 226             if (!set_pbe(&key_pbe, opt_arg()))
 227                 goto opthelp;
 228             break;
 229         case OPT_R_CASES:
 230             if (!opt_rand(o))
 231                 goto end;
 232             break;
 233         case OPT_INKEY:
 234             keyname = opt_arg();
 235             break;
 236         case OPT_CERTFILE:
 237             certfile = opt_arg();
 238             break;
 239         case OPT_NAME:
 240             name = opt_arg();
 241             break;
 242         case OPT_LMK:
 243             add_lmk = 1;
 244             break;
 245         case OPT_CSP:
 246             csp_name = opt_arg();
 247             break;
 248         case OPT_CANAME:
 249             if (canames == NULL
 250                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 251                 goto end;
 252             sk_OPENSSL_STRING_push(canames, opt_arg());
 253             break;
 254         case OPT_IN:
 255             infile = opt_arg();
 256             break;
 257         case OPT_OUT:
 258             outfile = opt_arg();
 259             break;
 260         case OPT_PASSIN:
 261             passinarg = opt_arg();
 262             break;
 263         case OPT_PASSOUT:
 264             passoutarg = opt_arg();
 265             break;
 266         case OPT_PASSWORD:
 267             passarg = opt_arg();
 268             break;
 269         case OPT_CAPATH:
 270             CApath = opt_arg();
 271             break;
 272         case OPT_CAFILE:
 273             CAfile = opt_arg();
 274             break;
 275         case OPT_NOCAPATH:
 276             noCApath = 1;
 277             break;
 278         case OPT_NOCAFILE:
 279             noCAfile = 1;
 280             break;
 281         case OPT_ENGINE:
 282             e = setup_engine(opt_arg(), 0);
 283             break;
 284         }
 285     }
 286     argc = opt_num_rest();
 287     if (argc != 0)
 288         goto opthelp;
 289
 290     private = 1;
 291
 292     if (passarg != NULL) {
 293         if (export_cert)
 294             passoutarg = passarg;
 295         else
 296             passinarg = passarg;
 297     }
 298
 299     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 300         BIO_printf(bio_err, "Error getting passwords\n");
 301         goto end;
 302     }
 303
 304     if (cpass == NULL) {
 305         if (export_cert)
 306             cpass = passout;
 307         else
 308             cpass = passin;
 309     }
 310
 311     if (cpass != NULL) {
 312         mpass = cpass;
 313         noprompt = 1;
 314     } else {
 315         cpass = pass;
 316         mpass = macpass;
 317     }
 318
 319     if (twopass) {
 320         /* To avoid bit rot */
 321         if (1) {
 322 #ifndef OPENSSL_NO_UI_CONSOLE
 323             if (EVP_read_pw_string(
 324                 macpass, sizeof(macpass), "Enter MAC Password:", export_cert)) {
 325                 BIO_printf(bio_err, "Can't read Password\n");
 326                 goto end;
 327             }
 328         } else {
 329 #endif
 330             BIO_printf(bio_err, "Unsupported option -twopass\n");
 331             goto end;
 332         }
 333     }
 334
 335     if (export_cert) {
 336         EVP_PKEY *key = NULL;
 337         X509 *ucert = NULL, *x = NULL;
 338         STACK_OF(X509) *certs = NULL;
 339         const EVP_MD *macmd = NULL;
 340         unsigned char *catmp = NULL;
 341         int i;
 342
 343         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 344             BIO_printf(bio_err, "Nothing to do!\n");
 345             goto export_end;
 346         }
 347
 348         if (options & NOCERTS)
 349             chain = 0;
 350
 351         if (!(options & NOKEYS)) {
 352             key = load_key(keyname ? keyname : infile,
 353                            FORMAT_PEM, 1, passin, e, "private key");
 354             if (key == NULL)
 355                 goto export_end;
 356         }
 357
 358         /* Load in all certs in input file */
 359         if (!(options & NOCERTS)) {
 360             if (!load_certs(infile, &certs, FORMAT_PEM, NULL,
 361                             "certificates"))
 362                 goto export_end;
 363
 364             if (key != NULL) {
 365                 /* Look for matching private key */
 366                 for (i = 0; i < sk_X509_num(certs); i++) {
 367                     x = sk_X509_value(certs, i);
 368                     if (X509_check_private_key(x, key)) {
 369                         ucert = x;
 370                         /* Zero keyid and alias */
 371                         X509_keyid_set1(ucert, NULL, 0);
 372                         X509_alias_set1(ucert, NULL, 0);
 373                         /* Remove from list */
 374                         (void)sk_X509_delete(certs, i);
 375                         break;
 376                     }
 377                 }
 378                 if (ucert == NULL) {
 379                     BIO_printf(bio_err,
 380                                "No certificate matches private key\n");
 381                     goto export_end;
 382                 }
 383             }
 384
 385         }
 386
 387         /* Add any more certificates asked for */
 388         if (certfile != NULL) {
 389             if (!load_certs(certfile, &certs, FORMAT_PEM, NULL,
 390                             "certificates from certfile"))
 391                 goto export_end;
 392         }
 393
 394         /* If chaining get chain from user cert */
 395         if (chain) {
 396             int vret;
 397             STACK_OF(X509) *chain2;
 398             X509_STORE *store;
 399             if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath))
 400                     == NULL)
 401                 goto export_end;
 402
 403             vret = get_cert_chain(ucert, store, &chain2);
 404             X509_STORE_free(store);
 405
 406             if (vret == X509_V_OK) {
 407                 /* Exclude verified certificate */
 408                 for (i = 1; i < sk_X509_num(chain2); i++)
 409                     sk_X509_push(certs, sk_X509_value(chain2, i));
 410                 /* Free first certificate */
 411                 X509_free(sk_X509_value(chain2, 0));
 412                 sk_X509_free(chain2);
 413             } else {
 414                 if (vret != X509_V_ERR_UNSPECIFIED)
 415                     BIO_printf(bio_err, "Error %s getting chain.\n",
 416                                X509_verify_cert_error_string(vret));
 417                 else
 418                     ERR_print_errors(bio_err);
 419                 goto export_end;
 420             }
 421         }
 422
 423         /* Add any CA names */
 424
 425         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 426             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 427             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 428         }
 429
 430         if (csp_name != NULL && key != NULL)
 431             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 432                                       MBSTRING_ASC, (unsigned char *)csp_name,
 433                                       -1);
 434
 435         if (add_lmk && key != NULL)
 436             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 437
 438         if (!noprompt) {
 439             /* To avoid bit rot */
 440             if (1) {
 441 #ifndef OPENSSL_NO_UI_CONSOLE
 442                 if (EVP_read_pw_string(pass, sizeof(pass),
 443                                        "Enter Export Password:", 1)) {
 444                     BIO_printf(bio_err, "Can't read Password\n");
 445                     goto export_end;
 446                 }
 447             } else {
 448 #endif
 449                 BIO_printf(bio_err, "Password required\n");
 450                 goto export_end;
 451             }
 452         }
 453
 454         if (!twopass)
 455             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 456
 457         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 458                             key_pbe, cert_pbe, iter, -1, keytype);
 459
 460         if (!p12) {
 461             ERR_print_errors(bio_err);
 462             goto export_end;
 463         }
 464
 465         if (macalg) {
 466             if (!opt_md(macalg, &macmd))
 467                 goto opthelp;
 468         }
 469
 470         if (maciter != -1)
 471             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 472
 473         assert(private);
 474
 475         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 476         if (out == NULL)
 477             goto end;
 478
 479         i2d_PKCS12_bio(out, p12);
 480
 481         ret = 0;
 482
 483  export_end:
 484
 485         EVP_PKEY_free(key);
 486         sk_X509_pop_free(certs, X509_free);
 487         X509_free(ucert);
 488
 489         goto end;
 490
 491     }
 492
 493     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 494     if (in == NULL)
 495         goto end;
 496     out = bio_open_owner(outfile, FORMAT_PEM, private);
 497     if (out == NULL)
 498         goto end;
 499
 500     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 501         ERR_print_errors(bio_err);
 502         goto end;
 503     }
 504
 505     if (!noprompt) {
 506         if (1) {
 507 #ifndef OPENSSL_NO_UI_CONSOLE
 508             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 509                                    0)) {
 510                 BIO_printf(bio_err, "Can't read Password\n");
 511                 goto end;
 512             }
 513         } else {
 514 #endif
 515             BIO_printf(bio_err, "Password required\n");
 516             goto end;
 517         }
 518     }
 519
 520     if (!twopass)
 521         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 522
 523     if ((options & INFO) && PKCS12_mac_present(p12)) {
 524         const ASN1_INTEGER *tmaciter;
 525         const X509_ALGOR *macalgid;
 526         const ASN1_OBJECT *macobj;
 527         const ASN1_OCTET_STRING *tmac;
 528         const ASN1_OCTET_STRING *tsalt;
 529
 530         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 531         /* current hash algorithms do not use parameters so extract just name,
 532            in future alg_print() may be needed */
 533         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 534         BIO_puts(bio_err, "MAC: ");
 535         i2a_ASN1_OBJECT(bio_err, macobj);
 536         BIO_printf(bio_err, ", Iteration %ld\n",
 537                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 538         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 539                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 540                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 541     }
 542     if (macver) {
 543         /* If we enter empty password try no password first */
 544         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 545             /* If mac and crypto pass the same set it to NULL too */
 546             if (!twopass)
 547                 cpass = NULL;
 548         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 549             /*
 550              * May be UTF8 from previous version of OpenSSL:
 551              * convert to a UTF8 form which will translate
 552              * to the same Unicode password.
 553              */
 554             unsigned char *utmp;
 555             int utmplen;
 556             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 557             if (utmp == NULL)
 558                 goto end;
 559             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 560             OPENSSL_free(utmp);
 561             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 562                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 563                 ERR_print_errors(bio_err);
 564                 goto end;
 565             } else {
 566                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 567                 if (!twopass)
 568                     cpass = badpass;
 569             }
 570         }
 571     }
 572
 573     assert(private);
 574     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 575         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 576         ERR_print_errors(bio_err);
 577         goto end;
 578     }
 579     ret = 0;
 580  end:
 581     PKCS12_free(p12);
 582     release_engine(e);
 583     BIO_free(in);
 584     BIO_free_all(out);
 585     sk_OPENSSL_STRING_free(canames);
 586     OPENSSL_free(badpass);
 587     OPENSSL_free(passin);
 588     OPENSSL_free(passout);
 589     return ret;
 590 }
 591
 592 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 593                         int passlen, int options, char *pempass,
 594                         const EVP_CIPHER *enc)
 595 {
 596     STACK_OF(PKCS7) *asafes = NULL;
 597     STACK_OF(PKCS12_SAFEBAG) *bags;
 598     int i, bagnid;
 599     int ret = 0;
 600     PKCS7 *p7;
 601
 602     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 603         return 0;
 604     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 605         p7 = sk_PKCS7_value(asafes, i);
 606         bagnid = OBJ_obj2nid(p7->type);
 607         if (bagnid == NID_pkcs7_data) {
 608             bags = PKCS12_unpack_p7data(p7);
 609             if (options & INFO)
 610                 BIO_printf(bio_err, "PKCS7 Data\n");
 611         } else if (bagnid == NID_pkcs7_encrypted) {
 612             if (options & INFO) {
 613                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 614                 alg_print(p7->d.encrypted->enc_data->algorithm);
 615             }
 616             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 617         } else {
 618             continue;
 619         }
 620         if (!bags)
 621             goto err;
 622         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 623                                    options, pempass, enc)) {
 624             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 625             goto err;
 626         }
 627         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 628         bags = NULL;
 629     }
 630     ret = 1;
 631
 632  err:
 633     sk_PKCS7_pop_free(asafes, PKCS7_free);
 634     return ret;
 635 }
 636
 637 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 638                           const char *pass, int passlen, int options,
 639                           char *pempass, const EVP_CIPHER *enc)
 640 {
 641     int i;
 642     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 643         if (!dump_certs_pkeys_bag(out,
 644                                   sk_PKCS12_SAFEBAG_value(bags, i),
 645                                   pass, passlen, options, pempass, enc))
 646             return 0;
 647     }
 648     return 1;
 649 }
 650
 651 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 652                          const char *pass, int passlen, int options,
 653                          char *pempass, const EVP_CIPHER *enc)
 654 {
 655     EVP_PKEY *pkey;
 656     PKCS8_PRIV_KEY_INFO *p8;
 657     const PKCS8_PRIV_KEY_INFO *p8c;
 658     X509 *x509;
 659     const STACK_OF(X509_ATTRIBUTE) *attrs;
 660     int ret = 0;
 661
 662     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 663
 664     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 665     case NID_keyBag:
 666         if (options & INFO)
 667             BIO_printf(bio_err, "Key bag\n");
 668         if (options & NOKEYS)
 669             return 1;
 670         print_attribs(out, attrs, "Bag Attributes");
 671         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 672         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 673             return 0;
 674         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 675         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 676         EVP_PKEY_free(pkey);
 677         break;
 678
 679     case NID_pkcs8ShroudedKeyBag:
 680         if (options & INFO) {
 681             const X509_SIG *tp8;
 682             const X509_ALGOR *tp8alg;
 683
 684             BIO_printf(bio_err, "Shrouded Keybag: ");
 685             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 686             X509_SIG_get0(tp8, &tp8alg, NULL);
 687             alg_print(tp8alg);
 688         }
 689         if (options & NOKEYS)
 690             return 1;
 691         print_attribs(out, attrs, "Bag Attributes");
 692         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 693             return 0;
 694         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 695             PKCS8_PRIV_KEY_INFO_free(p8);
 696             return 0;
 697         }
 698         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 699         PKCS8_PRIV_KEY_INFO_free(p8);
 700         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 701         EVP_PKEY_free(pkey);
 702         break;
 703
 704     case NID_certBag:
 705         if (options & INFO)
 706             BIO_printf(bio_err, "Certificate bag\n");
 707         if (options & NOCERTS)
 708             return 1;
 709         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 710             if (options & CACERTS)
 711                 return 1;
 712         } else if (options & CLCERTS)
 713             return 1;
 714         print_attribs(out, attrs, "Bag Attributes");
 715         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 716             return 1;
 717         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 718             return 0;
 719         dump_cert_text(out, x509);
 720         ret = PEM_write_bio_X509(out, x509);
 721         X509_free(x509);
 722         break;
 723
 724     case NID_safeContentsBag:
 725         if (options & INFO)
 726             BIO_printf(bio_err, "Safe Contents bag\n");
 727         print_attribs(out, attrs, "Bag Attributes");
 728         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 729                                      pass, passlen, options, pempass, enc);
 730
 731     default:
 732         BIO_printf(bio_err, "Warning unsupported bag type: ");
 733         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 734         BIO_printf(bio_err, "\n");
 735         return 1;
 736     }
 737     return ret;
 738 }
 739
 740 /* Given a single certificate return a verified chain or NULL if error */
 741
 742 static int get_cert_chain(X509 *cert, X509_STORE *store,
 743                           STACK_OF(X509) **chain)
 744 {
 745     X509_STORE_CTX *store_ctx = NULL;
 746     STACK_OF(X509) *chn = NULL;
 747     int i = 0;
 748
 749     store_ctx = X509_STORE_CTX_new();
 750     if (store_ctx == NULL) {
 751         i =  X509_V_ERR_UNSPECIFIED;
 752         goto end;
 753     }
 754     if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
 755         i =  X509_V_ERR_UNSPECIFIED;
 756         goto end;
 757     }
 758
 759
 760     if (X509_verify_cert(store_ctx) > 0)
 761         chn = X509_STORE_CTX_get1_chain(store_ctx);
 762     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 763         i = X509_V_ERR_UNSPECIFIED;
 764
 765 end:
 766     X509_STORE_CTX_free(store_ctx);
 767     *chain = chn;
 768     return i;
 769 }
 770
 771 static int alg_print(const X509_ALGOR *alg)
 772 {
 773     int pbenid, aparamtype;
 774     const ASN1_OBJECT *aoid;
 775     const void *aparam;
 776     PBEPARAM *pbe = NULL;
 777
 778     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 779
 780     pbenid = OBJ_obj2nid(aoid);
 781
 782     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 783
 784     /*
 785      * If PBE algorithm is PBES2 decode algorithm parameters
 786      * for additional details.
 787      */
 788     if (pbenid == NID_pbes2) {
 789         PBE2PARAM *pbe2 = NULL;
 790         int encnid;
 791         if (aparamtype == V_ASN1_SEQUENCE)
 792             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 793         if (pbe2 == NULL) {
 794             BIO_puts(bio_err, ", <unsupported parameters>");
 795             goto done;
 796         }
 797         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
 798         pbenid = OBJ_obj2nid(aoid);
 799         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
 800         encnid = OBJ_obj2nid(aoid);
 801         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
 802                    OBJ_nid2sn(encnid));
 803         /* If KDF is PBKDF2 decode parameters */
 804         if (pbenid == NID_id_pbkdf2) {
 805             PBKDF2PARAM *kdf = NULL;
 806             int prfnid;
 807             if (aparamtype == V_ASN1_SEQUENCE)
 808                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
 809             if (kdf == NULL) {
 810                 BIO_puts(bio_err, ", <unsupported parameters>");
 811                 goto done;
 812             }
 813
 814             if (kdf->prf == NULL) {
 815                 prfnid = NID_hmacWithSHA1;
 816             } else {
 817                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
 818                 prfnid = OBJ_obj2nid(aoid);
 819             }
 820             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
 821                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
 822             PBKDF2PARAM_free(kdf);
 823 #ifndef OPENSSL_NO_SCRYPT
 824         } else if (pbenid == NID_id_scrypt) {
 825             SCRYPT_PARAMS *kdf = NULL;
 826
 827             if (aparamtype == V_ASN1_SEQUENCE)
 828                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
 829             if (kdf == NULL) {
 830                 BIO_puts(bio_err, ", <unsupported parameters>");
 831                 goto done;
 832             }
 833             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
 834                        "Block size(r): %ld, Paralelizm(p): %ld",
 835                        ASN1_STRING_length(kdf->salt),
 836                        ASN1_INTEGER_get(kdf->costParameter),
 837                        ASN1_INTEGER_get(kdf->blockSize),
 838                        ASN1_INTEGER_get(kdf->parallelizationParameter));
 839             SCRYPT_PARAMS_free(kdf);
 840 #endif
 841         }
 842         PBE2PARAM_free(pbe2);
 843     } else {
 844         if (aparamtype == V_ASN1_SEQUENCE)
 845             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
 846         if (pbe == NULL) {
 847             BIO_puts(bio_err, ", <unsupported parameters>");
 848             goto done;
 849         }
 850         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
 851         PBEPARAM_free(pbe);
 852     }
 853  done:
 854     BIO_puts(bio_err, "\n");
 855     return 1;
 856 }
 857
 858 /* Load all certificates from a given file */
 859
 860 int cert_load(BIO *in, STACK_OF(X509) *sk)
 861 {
 862     int ret;
 863     X509 *cert;
 864     ret = 0;
 865     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 866         ret = 1;
 867         sk_X509_push(sk, cert);
 868     }
 869     if (ret)
 870         ERR_clear_error();
 871     return ret;
 872 }
 873
 874 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 875
 876 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
 877                   const char *name)
 878 {
 879     X509_ATTRIBUTE *attr;
 880     ASN1_TYPE *av;
 881     char *value;
 882     int i, attr_nid;
 883     if (!attrlst) {
 884         BIO_printf(out, "%s: <No Attributes>\n", name);
 885         return 1;
 886     }
 887     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 888         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 889         return 1;
 890     }
 891     BIO_printf(out, "%s\n", name);
 892     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 893         ASN1_OBJECT *attr_obj;
 894         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 895         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 896         attr_nid = OBJ_obj2nid(attr_obj);
 897         BIO_printf(out, "    ");
 898         if (attr_nid == NID_undef) {
 899             i2a_ASN1_OBJECT(out, attr_obj);
 900             BIO_printf(out, ": ");
 901         } else {
 902             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 903         }
 904
 905         if (X509_ATTRIBUTE_count(attr)) {
 906             av = X509_ATTRIBUTE_get0_type(attr, 0);
 907             switch (av->type) {
 908             case V_ASN1_BMPSTRING:
 909                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 910                                         av->value.bmpstring->length);
 911                 BIO_printf(out, "%s\n", value);
 912                 OPENSSL_free(value);
 913                 break;
 914
 915             case V_ASN1_OCTET_STRING:
 916                 hex_prin(out, av->value.octet_string->data,
 917                          av->value.octet_string->length);
 918                 BIO_printf(out, "\n");
 919                 break;
 920
 921             case V_ASN1_BIT_STRING:
 922                 hex_prin(out, av->value.bit_string->data,
 923                          av->value.bit_string->length);
 924                 BIO_printf(out, "\n");
 925                 break;
 926
 927             default:
 928                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 929                 break;
 930             }
 931         } else {
 932             BIO_printf(out, "<No Values>\n");
 933         }
 934     }
 935     return 1;
 936 }
 937
 938 void hex_prin(BIO *out, unsigned char *buf, int len)
 939 {
 940     int i;
 941     for (i = 0; i < len; i++)
 942         BIO_printf(out, "%02X ", buf[i]);
 943 }
 944
 945 static int set_pbe(int *ppbe, const char *str)
 946 {
 947     if (!str)
 948         return 0;
 949     if (strcmp(str, "NONE") == 0) {
 950         *ppbe = -1;
 951         return 1;
 952     }
 953     *ppbe = OBJ_txt2nid(str);
 954     if (*ppbe == NID_undef) {
 955         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 956         return 0;
 957     }
 958     return 1;
 959 }
 960
 961 #endif