apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2017 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 <openssl/crypto.h>
  20 # include <openssl/err.h>
  21 # include <openssl/pem.h>
  22 # include <openssl/pkcs12.h>
  23
  24 # define NOKEYS          0x1
  25 # define NOCERTS         0x2
  26 # define INFO            0x4
  27 # define CLCERTS         0x8
  28 # define CACERTS         0x10
  29
  30 #define PASSWD_BUF_SIZE 2048
  31
  32 static int get_cert_chain(X509 *cert, X509_STORE *store,
  33                           STACK_OF(X509) **chain);
  34 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
  35                         const char *pass, int passlen, int options,
  36                         char *pempass, const EVP_CIPHER *enc);
  37 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
  38                           const char *pass, int passlen, int options,
  39                           char *pempass, const EVP_CIPHER *enc);
  40 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
  41                          const char *pass, int passlen,
  42                          int options, char *pempass, const EVP_CIPHER *enc);
  43 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
  44                   const char *name);
  45 void hex_prin(BIO *out, unsigned char *buf, int len);
  46 static int alg_print(const X509_ALGOR *alg);
  47 int cert_load(BIO *in, STACK_OF(X509) *sk);
  48 static int set_pbe(int *ppbe, const char *str);
  49
  50 typedef enum OPTION_choice {
  51     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  52     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  53     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  54     OPT_DESCERT, OPT_EXPORT, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  55     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  56     OPT_INKEY, OPT_CERTFILE, OPT_NAME, OPT_CSP, OPT_CANAME,
  57     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  58     OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_ENGINE,
  59     OPT_R_ENUM
  60 } OPTION_CHOICE;
  61
  62 const OPTIONS pkcs12_options[] = {
  63     {"help", OPT_HELP, '-', "Display this summary"},
  64     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
  65     {"keyex", OPT_KEYEX, '-', "Set MS key exchange type"},
  66     {"keysig", OPT_KEYSIG, '-', "Set MS key signature type"},
  67     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
  68     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
  69     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
  70     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
  71     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
  72     {"chain", OPT_CHAIN, '-', "Add certificate chain"},
  73     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
  74     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
  75 # ifndef OPENSSL_NO_RC2
  76     {"descert", OPT_DESCERT, '-',
  77      "Encrypt output with 3DES (default RC2-40)"},
  78     {"certpbe", OPT_CERTPBE, 's',
  79      "Certificate PBE algorithm (default RC2-40)"},
  80 # else
  81     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
  82     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
  83 # endif
  84     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
  85     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
  86     {"maciter", OPT_MACITER, '-', "Use MAC iteration"},
  87     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
  88     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
  89     {"LMK", OPT_LMK, '-',
  90      "Add local machine keyset attribute to private key"},
  91     {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
  92     {"macalg", OPT_MACALG, 's',
  93      "Digest algorithm used in MAC (default SHA1)"},
  94     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
  95     OPT_R_OPTIONS,
  96     {"inkey", OPT_INKEY, 's', "Private key if not infile"},
  97     {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
  98     {"name", OPT_NAME, 's', "Use name as friendly name"},
  99     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
 100     {"caname", OPT_CANAME, 's',
 101      "Use name as CA friendly name (can be repeated)"},
 102     {"in", OPT_IN, '<', "Input filename"},
 103     {"out", OPT_OUT, '>', "Output filename"},
 104     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 105     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 106     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 107     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 108     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 109     {"no-CAfile", OPT_NOCAFILE, '-',
 110      "Do not load the default certificates file"},
 111     {"no-CApath", OPT_NOCAPATH, '-',
 112      "Do not load certificates from the default certificates directory"},
 113     {"", OPT_CIPHER, '-', "Any supported cipher"},
 114 # ifndef OPENSSL_NO_ENGINE
 115     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 116 # endif
 117     {NULL}
 118 };
 119
 120 int pkcs12_main(int argc, char **argv)
 121 {
 122     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 123     char *name = NULL, *csp_name = NULL;
 124     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 125     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 126     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 127 # ifndef OPENSSL_NO_RC2
 128     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 129 # else
 130     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 131 # endif
 132     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 133     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 134     int noprompt = 0;
 135     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 136     char *passin = NULL, *passout = NULL, *macalg = NULL;
 137     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 138     const char *CApath = NULL, *CAfile = NULL, *prog;
 139     int noCApath = 0, noCAfile = 0;
 140     ENGINE *e = NULL;
 141     BIO *in = NULL, *out = NULL;
 142     PKCS12 *p12 = NULL;
 143     STACK_OF(OPENSSL_STRING) *canames = NULL;
 144     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 145     OPTION_CHOICE o;
 146
 147     prog = opt_init(argc, argv, pkcs12_options);
 148     while ((o = opt_next()) != OPT_EOF) {
 149         switch (o) {
 150         case OPT_EOF:
 151         case OPT_ERR:
 152  opthelp:
 153             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 154             goto end;
 155         case OPT_HELP:
 156             opt_help(pkcs12_options);
 157             ret = 0;
 158             goto end;
 159         case OPT_NOKEYS:
 160             options |= NOKEYS;
 161             break;
 162         case OPT_KEYEX:
 163             keytype = KEY_EX;
 164             break;
 165         case OPT_KEYSIG:
 166             keytype = KEY_SIG;
 167             break;
 168         case OPT_NOCERTS:
 169             options |= NOCERTS;
 170             break;
 171         case OPT_CLCERTS:
 172             options |= CLCERTS;
 173             break;
 174         case OPT_CACERTS:
 175             options |= CACERTS;
 176             break;
 177         case OPT_NOOUT:
 178             options |= (NOKEYS | NOCERTS);
 179             break;
 180         case OPT_INFO:
 181             options |= INFO;
 182             break;
 183         case OPT_CHAIN:
 184             chain = 1;
 185             break;
 186         case OPT_TWOPASS:
 187             twopass = 1;
 188             break;
 189         case OPT_NOMACVER:
 190             macver = 0;
 191             break;
 192         case OPT_DESCERT:
 193             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 194             break;
 195         case OPT_EXPORT:
 196             export_cert = 1;
 197             break;
 198         case OPT_CIPHER:
 199             if (!opt_cipher(opt_unknown(), &enc))
 200                 goto opthelp;
 201             break;
 202         case OPT_NOITER:
 203             iter = 1;
 204             break;
 205         case OPT_MACITER:
 206             maciter = PKCS12_DEFAULT_ITER;
 207             break;
 208         case OPT_NOMACITER:
 209             maciter = 1;
 210             break;
 211         case OPT_NOMAC:
 212             maciter = -1;
 213             break;
 214         case OPT_MACALG:
 215             macalg = opt_arg();
 216             break;
 217         case OPT_NODES:
 218             enc = NULL;
 219             break;
 220         case OPT_CERTPBE:
 221             if (!set_pbe(&cert_pbe, opt_arg()))
 222                 goto opthelp;
 223             break;
 224         case OPT_KEYPBE:
 225             if (!set_pbe(&key_pbe, opt_arg()))
 226                 goto opthelp;
 227             break;
 228         case OPT_R_CASES:
 229             if (!opt_rand(o))
 230                 goto end;
 231             break;
 232         case OPT_INKEY:
 233             keyname = opt_arg();
 234             break;
 235         case OPT_CERTFILE:
 236             certfile = opt_arg();
 237             break;
 238         case OPT_NAME:
 239             name = opt_arg();
 240             break;
 241         case OPT_LMK:
 242             add_lmk = 1;
 243             break;
 244         case OPT_CSP:
 245             csp_name = opt_arg();
 246             break;
 247         case OPT_CANAME:
 248             if (canames == NULL
 249                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 250                 goto end;
 251             sk_OPENSSL_STRING_push(canames, opt_arg());
 252             break;
 253         case OPT_IN:
 254             infile = opt_arg();
 255             break;
 256         case OPT_OUT:
 257             outfile = opt_arg();
 258             break;
 259         case OPT_PASSIN:
 260             passinarg = opt_arg();
 261             break;
 262         case OPT_PASSOUT:
 263             passoutarg = opt_arg();
 264             break;
 265         case OPT_PASSWORD:
 266             passarg = opt_arg();
 267             break;
 268         case OPT_CAPATH:
 269             CApath = opt_arg();
 270             break;
 271         case OPT_CAFILE:
 272             CAfile = opt_arg();
 273             break;
 274         case OPT_NOCAPATH:
 275             noCApath = 1;
 276             break;
 277         case OPT_NOCAFILE:
 278             noCAfile = 1;
 279             break;
 280         case OPT_ENGINE:
 281             e = setup_engine(opt_arg(), 0);
 282             break;
 283         }
 284     }
 285     argc = opt_num_rest();
 286     if (argc != 0)
 287         goto opthelp;
 288
 289     private = 1;
 290
 291     if (passarg != NULL) {
 292         if (export_cert)
 293             passoutarg = passarg;
 294         else
 295             passinarg = passarg;
 296     }
 297
 298     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 299         BIO_printf(bio_err, "Error getting passwords\n");
 300         goto end;
 301     }
 302
 303     if (cpass == NULL) {
 304         if (export_cert)
 305             cpass = passout;
 306         else
 307             cpass = passin;
 308     }
 309
 310     if (cpass != NULL) {
 311         mpass = cpass;
 312         noprompt = 1;
 313     } else {
 314         cpass = pass;
 315         mpass = macpass;
 316     }
 317
 318     if (twopass) {
 319         /* To avoid bit rot */
 320         if (1) {
 321 #ifndef OPENSSL_NO_UI_CONSOLE
 322             if (EVP_read_pw_string
 323                 (macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
 324                 BIO_printf(bio_err, "Can't read Password\n");
 325                 goto end;
 326             }
 327         } else {
 328 #endif
 329             BIO_printf(bio_err, "Unsupported option -twopass\n");
 330             goto end;
 331         }
 332     }
 333
 334     if (export_cert) {
 335         EVP_PKEY *key = NULL;
 336         X509 *ucert = NULL, *x = NULL;
 337         STACK_OF(X509) *certs = NULL;
 338         const EVP_MD *macmd = NULL;
 339         unsigned char *catmp = NULL;
 340         int i;
 341
 342         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 343             BIO_printf(bio_err, "Nothing to do!\n");
 344             goto export_end;
 345         }
 346
 347         if (options & NOCERTS)
 348             chain = 0;
 349
 350         if (!(options & NOKEYS)) {
 351             key = load_key(keyname ? keyname : infile,
 352                            FORMAT_PEM, 1, passin, e, "private key");
 353             if (key == NULL)
 354                 goto export_end;
 355         }
 356
 357         /* Load in all certs in input file */
 358         if (!(options & NOCERTS)) {
 359             if (!load_certs(infile, &certs, FORMAT_PEM, NULL,
 360                             "certificates"))
 361                 goto export_end;
 362
 363             if (key != NULL) {
 364                 /* Look for matching private key */
 365                 for (i = 0; i < sk_X509_num(certs); i++) {
 366                     x = sk_X509_value(certs, i);
 367                     if (X509_check_private_key(x, key)) {
 368                         ucert = x;
 369                         /* Zero keyid and alias */
 370                         X509_keyid_set1(ucert, NULL, 0);
 371                         X509_alias_set1(ucert, NULL, 0);
 372                         /* Remove from list */
 373                         (void)sk_X509_delete(certs, i);
 374                         break;
 375                     }
 376                 }
 377                 if (ucert == NULL) {
 378                     BIO_printf(bio_err,
 379                                "No certificate matches private key\n");
 380                     goto export_end;
 381                 }
 382             }
 383
 384         }
 385
 386         /* Add any more certificates asked for */
 387         if (certfile != NULL) {
 388             if (!load_certs(certfile, &certs, FORMAT_PEM, NULL,
 389                             "certificates from certfile"))
 390                 goto export_end;
 391         }
 392
 393         /* If chaining get chain from user cert */
 394         if (chain) {
 395             int vret;
 396             STACK_OF(X509) *chain2;
 397             X509_STORE *store;
 398             if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath))
 399                     == NULL)
 400                 goto export_end;
 401
 402             vret = get_cert_chain(ucert, store, &chain2);
 403             X509_STORE_free(store);
 404
 405             if (vret == X509_V_OK) {
 406                 /* Exclude verified certificate */
 407                 for (i = 1; i < sk_X509_num(chain2); i++)
 408                     sk_X509_push(certs, sk_X509_value(chain2, i));
 409                 /* Free first certificate */
 410                 X509_free(sk_X509_value(chain2, 0));
 411                 sk_X509_free(chain2);
 412             } else {
 413                 if (vret != X509_V_ERR_UNSPECIFIED)
 414                     BIO_printf(bio_err, "Error %s getting chain.\n",
 415                                X509_verify_cert_error_string(vret));
 416                 else
 417                     ERR_print_errors(bio_err);
 418                 goto export_end;
 419             }
 420         }
 421
 422         /* Add any CA names */
 423
 424         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 425             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 426             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 427         }
 428
 429         if (csp_name != NULL && key != NULL)
 430             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 431                                       MBSTRING_ASC, (unsigned char *)csp_name,
 432                                       -1);
 433
 434         if (add_lmk && key != NULL)
 435             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 436
 437         if (!noprompt) {
 438             /* To avoid bit rot */
 439             if (1) {
 440 #ifndef OPENSSL_NO_UI_CONSOLE
 441                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:",
 442                                        1)) {
 443                     BIO_printf(bio_err, "Can't read Password\n");
 444                     goto export_end;
 445                 }
 446             } else {
 447 #endif
 448                 BIO_printf(bio_err, "Password required\n");
 449                 goto export_end;
 450             }
 451         }
 452
 453         if (!twopass)
 454             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 455
 456         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 457                             key_pbe, cert_pbe, iter, -1, keytype);
 458
 459         if (!p12) {
 460             ERR_print_errors(bio_err);
 461             goto export_end;
 462         }
 463
 464         if (macalg) {
 465             if (!opt_md(macalg, &macmd))
 466                 goto opthelp;
 467         }
 468
 469         if (maciter != -1)
 470             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 471
 472         assert(private);
 473
 474         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 475         if (out == NULL)
 476             goto end;
 477
 478         i2d_PKCS12_bio(out, p12);
 479
 480         ret = 0;
 481
 482  export_end:
 483
 484         EVP_PKEY_free(key);
 485         sk_X509_pop_free(certs, X509_free);
 486         X509_free(ucert);
 487
 488         goto end;
 489
 490     }
 491
 492     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 493     if (in == NULL)
 494         goto end;
 495     out = bio_open_owner(outfile, FORMAT_PEM, private);
 496     if (out == NULL)
 497         goto end;
 498
 499     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 500         ERR_print_errors(bio_err);
 501         goto end;
 502     }
 503
 504     if (!noprompt) {
 505         if (1) {
 506 #ifndef OPENSSL_NO_UI_CONSOLE
 507             if (EVP_read_pw_string(pass, sizeof pass, "Enter Import Password:",
 508                                    0)) {
 509                 BIO_printf(bio_err, "Can't read Password\n");
 510                 goto end;
 511             }
 512         } else {
 513 #endif
 514             BIO_printf(bio_err, "Password required\n");
 515             goto end;
 516         }
 517     }
 518
 519     if (!twopass)
 520         OPENSSL_strlcpy(macpass, pass, sizeof macpass);
 521
 522     if ((options & INFO) && PKCS12_mac_present(p12)) {
 523         const ASN1_INTEGER *tmaciter;
 524         const X509_ALGOR *macalgid;
 525         const ASN1_OBJECT *macobj;
 526         const ASN1_OCTET_STRING *tmac;
 527         const ASN1_OCTET_STRING *tsalt;
 528
 529         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 530         /* current hash algorithms do not use parameters so extract just name,
 531            in future alg_print() may be needed */
 532         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 533         BIO_puts(bio_err, "MAC: ");
 534         i2a_ASN1_OBJECT(bio_err, macobj);
 535         BIO_printf(bio_err, ", Iteration %ld\n",
 536                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 537         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 538                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 539                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 540     }
 541     if (macver) {
 542         /* If we enter empty password try no password first */
 543         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 544             /* If mac and crypto pass the same set it to NULL too */
 545             if (!twopass)
 546                 cpass = NULL;
 547         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 548             /*
 549              * May be UTF8 from previous version of OpenSSL:
 550              * convert to a UTF8 form which will translate
 551              * to the same Unicode password.
 552              */
 553             unsigned char *utmp;
 554             int utmplen;
 555             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 556             if (utmp == NULL)
 557                 goto end;
 558             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 559             OPENSSL_free(utmp);
 560             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 561                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 562                 ERR_print_errors(bio_err);
 563                 goto end;
 564             } else {
 565                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 566                 if (!twopass)
 567                     cpass = badpass;
 568             }
 569         }
 570     }
 571
 572     assert(private);
 573     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 574         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 575         ERR_print_errors(bio_err);
 576         goto end;
 577     }
 578     ret = 0;
 579  end:
 580     PKCS12_free(p12);
 581     release_engine(e);
 582     BIO_free(in);
 583     BIO_free_all(out);
 584     sk_OPENSSL_STRING_free(canames);
 585     OPENSSL_free(badpass);
 586     OPENSSL_free(passin);
 587     OPENSSL_free(passout);
 588     return ret;
 589 }
 590
 591 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 592                         int passlen, int options, char *pempass,
 593                         const EVP_CIPHER *enc)
 594 {
 595     STACK_OF(PKCS7) *asafes = NULL;
 596     STACK_OF(PKCS12_SAFEBAG) *bags;
 597     int i, bagnid;
 598     int ret = 0;
 599     PKCS7 *p7;
 600
 601     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 602         return 0;
 603     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 604         p7 = sk_PKCS7_value(asafes, i);
 605         bagnid = OBJ_obj2nid(p7->type);
 606         if (bagnid == NID_pkcs7_data) {
 607             bags = PKCS12_unpack_p7data(p7);
 608             if (options & INFO)
 609                 BIO_printf(bio_err, "PKCS7 Data\n");
 610         } else if (bagnid == NID_pkcs7_encrypted) {
 611             if (options & INFO) {
 612                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 613                 alg_print(p7->d.encrypted->enc_data->algorithm);
 614             }
 615             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 616         } else {
 617             continue;
 618         }
 619         if (!bags)
 620             goto err;
 621         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 622                                    options, pempass, enc)) {
 623             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 624             goto err;
 625         }
 626         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 627         bags = NULL;
 628     }
 629     ret = 1;
 630
 631  err:
 632     sk_PKCS7_pop_free(asafes, PKCS7_free);
 633     return ret;
 634 }
 635
 636 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 637                           const char *pass, int passlen, int options,
 638                           char *pempass, const EVP_CIPHER *enc)
 639 {
 640     int i;
 641     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 642         if (!dump_certs_pkeys_bag(out,
 643                                   sk_PKCS12_SAFEBAG_value(bags, i),
 644                                   pass, passlen, options, pempass, enc))
 645             return 0;
 646     }
 647     return 1;
 648 }
 649
 650 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 651                          const char *pass, int passlen, int options,
 652                          char *pempass, const EVP_CIPHER *enc)
 653 {
 654     EVP_PKEY *pkey;
 655     PKCS8_PRIV_KEY_INFO *p8;
 656     const PKCS8_PRIV_KEY_INFO *p8c;
 657     X509 *x509;
 658     const STACK_OF(X509_ATTRIBUTE) *attrs;
 659     int ret = 0;
 660
 661     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 662
 663     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 664     case NID_keyBag:
 665         if (options & INFO)
 666             BIO_printf(bio_err, "Key bag\n");
 667         if (options & NOKEYS)
 668             return 1;
 669         print_attribs(out, attrs, "Bag Attributes");
 670         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 671         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 672             return 0;
 673         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 674         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 675         EVP_PKEY_free(pkey);
 676         break;
 677
 678     case NID_pkcs8ShroudedKeyBag:
 679         if (options & INFO) {
 680             const X509_SIG *tp8;
 681             const X509_ALGOR *tp8alg;
 682
 683             BIO_printf(bio_err, "Shrouded Keybag: ");
 684             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 685             X509_SIG_get0(tp8, &tp8alg, NULL);
 686             alg_print(tp8alg);
 687         }
 688         if (options & NOKEYS)
 689             return 1;
 690         print_attribs(out, attrs, "Bag Attributes");
 691         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 692             return 0;
 693         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 694             PKCS8_PRIV_KEY_INFO_free(p8);
 695             return 0;
 696         }
 697         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 698         PKCS8_PRIV_KEY_INFO_free(p8);
 699         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 700         EVP_PKEY_free(pkey);
 701         break;
 702
 703     case NID_certBag:
 704         if (options & INFO)
 705             BIO_printf(bio_err, "Certificate bag\n");
 706         if (options & NOCERTS)
 707             return 1;
 708         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 709             if (options & CACERTS)
 710                 return 1;
 711         } else if (options & CLCERTS)
 712             return 1;
 713         print_attribs(out, attrs, "Bag Attributes");
 714         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 715             return 1;
 716         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 717             return 0;
 718         dump_cert_text(out, x509);
 719         ret = PEM_write_bio_X509(out, x509);
 720         X509_free(x509);
 721         break;
 722
 723     case NID_safeContentsBag:
 724         if (options & INFO)
 725             BIO_printf(bio_err, "Safe Contents bag\n");
 726         print_attribs(out, attrs, "Bag Attributes");
 727         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 728                                      pass, passlen, options, pempass, enc);
 729
 730     default:
 731         BIO_printf(bio_err, "Warning unsupported bag type: ");
 732         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 733         BIO_printf(bio_err, "\n");
 734         return 1;
 735     }
 736     return ret;
 737 }
 738
 739 /* Given a single certificate return a verified chain or NULL if error */
 740
 741 static int get_cert_chain(X509 *cert, X509_STORE *store,
 742                           STACK_OF(X509) **chain)
 743 {
 744     X509_STORE_CTX *store_ctx = NULL;
 745     STACK_OF(X509) *chn = NULL;
 746     int i = 0;
 747
 748     store_ctx = X509_STORE_CTX_new();
 749     if (store_ctx == NULL) {
 750         i =  X509_V_ERR_UNSPECIFIED;
 751         goto end;
 752     }
 753     if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
 754         i =  X509_V_ERR_UNSPECIFIED;
 755         goto end;
 756     }
 757
 758
 759     if (X509_verify_cert(store_ctx) > 0)
 760         chn = X509_STORE_CTX_get1_chain(store_ctx);
 761     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 762         i = X509_V_ERR_UNSPECIFIED;
 763
 764 end:
 765     X509_STORE_CTX_free(store_ctx);
 766     *chain = chn;
 767     return i;
 768 }
 769
 770 static int alg_print(const X509_ALGOR *alg)
 771 {
 772     int pbenid, aparamtype;
 773     const ASN1_OBJECT *aoid;
 774     const void *aparam;
 775     PBEPARAM *pbe = NULL;
 776
 777     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 778
 779     pbenid = OBJ_obj2nid(aoid);
 780
 781     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 782
 783     /*
 784      * If PBE algorithm is PBES2 decode algorithm parameters
 785      * for additional details.
 786      */
 787     if (pbenid == NID_pbes2) {
 788         PBE2PARAM *pbe2 = NULL;
 789         int encnid;
 790         if (aparamtype == V_ASN1_SEQUENCE)
 791             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 792         if (pbe2 == NULL) {
 793             BIO_puts(bio_err, ", <unsupported parameters>");
 794             goto done;
 795         }
 796         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
 797         pbenid = OBJ_obj2nid(aoid);
 798         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
 799         encnid = OBJ_obj2nid(aoid);
 800         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
 801                    OBJ_nid2sn(encnid));
 802         /* If KDF is PBKDF2 decode parameters */
 803         if (pbenid == NID_id_pbkdf2) {
 804             PBKDF2PARAM *kdf = NULL;
 805             int prfnid;
 806             if (aparamtype == V_ASN1_SEQUENCE)
 807                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
 808             if (kdf == NULL) {
 809                 BIO_puts(bio_err, ", <unsupported parameters>");
 810                 goto done;
 811             }
 812
 813             if (kdf->prf == NULL) {
 814                 prfnid = NID_hmacWithSHA1;
 815             } else {
 816                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
 817                 prfnid = OBJ_obj2nid(aoid);
 818             }
 819             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
 820                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
 821             PBKDF2PARAM_free(kdf);
 822 #ifndef OPENSSL_NO_SCRYPT
 823         } else if (pbenid == NID_id_scrypt) {
 824             SCRYPT_PARAMS *kdf = NULL;
 825
 826             if (aparamtype == V_ASN1_SEQUENCE)
 827                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
 828             if (kdf == NULL) {
 829                 BIO_puts(bio_err, ", <unsupported parameters>");
 830                 goto done;
 831             }
 832             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
 833                        "Block size(r): %ld, Paralelizm(p): %ld",
 834                        ASN1_STRING_length(kdf->salt),
 835                        ASN1_INTEGER_get(kdf->costParameter),
 836                        ASN1_INTEGER_get(kdf->blockSize),
 837                        ASN1_INTEGER_get(kdf->parallelizationParameter));
 838             SCRYPT_PARAMS_free(kdf);
 839 #endif
 840         }
 841         PBE2PARAM_free(pbe2);
 842     } else {
 843         if (aparamtype == V_ASN1_SEQUENCE)
 844             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
 845         if (pbe == NULL) {
 846             BIO_puts(bio_err, ", <unsupported parameters>");
 847             goto done;
 848         }
 849         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
 850         PBEPARAM_free(pbe);
 851     }
 852  done:
 853     BIO_puts(bio_err, "\n");
 854     return 1;
 855 }
 856
 857 /* Load all certificates from a given file */
 858
 859 int cert_load(BIO *in, STACK_OF(X509) *sk)
 860 {
 861     int ret;
 862     X509 *cert;
 863     ret = 0;
 864     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 865         ret = 1;
 866         sk_X509_push(sk, cert);
 867     }
 868     if (ret)
 869         ERR_clear_error();
 870     return ret;
 871 }
 872
 873 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 874
 875 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
 876                   const char *name)
 877 {
 878     X509_ATTRIBUTE *attr;
 879     ASN1_TYPE *av;
 880     char *value;
 881     int i, attr_nid;
 882     if (!attrlst) {
 883         BIO_printf(out, "%s: <No Attributes>\n", name);
 884         return 1;
 885     }
 886     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 887         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 888         return 1;
 889     }
 890     BIO_printf(out, "%s\n", name);
 891     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 892         ASN1_OBJECT *attr_obj;
 893         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 894         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 895         attr_nid = OBJ_obj2nid(attr_obj);
 896         BIO_printf(out, "    ");
 897         if (attr_nid == NID_undef) {
 898             i2a_ASN1_OBJECT(out, attr_obj);
 899             BIO_printf(out, ": ");
 900         } else {
 901             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 902         }
 903
 904         if (X509_ATTRIBUTE_count(attr)) {
 905             av = X509_ATTRIBUTE_get0_type(attr, 0);
 906             switch (av->type) {
 907             case V_ASN1_BMPSTRING:
 908                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 909                                         av->value.bmpstring->length);
 910                 BIO_printf(out, "%s\n", value);
 911                 OPENSSL_free(value);
 912                 break;
 913
 914             case V_ASN1_OCTET_STRING:
 915                 hex_prin(out, av->value.octet_string->data,
 916                          av->value.octet_string->length);
 917                 BIO_printf(out, "\n");
 918                 break;
 919
 920             case V_ASN1_BIT_STRING:
 921                 hex_prin(out, av->value.bit_string->data,
 922                          av->value.bit_string->length);
 923                 BIO_printf(out, "\n");
 924                 break;
 925
 926             default:
 927                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 928                 break;
 929             }
 930         } else {
 931             BIO_printf(out, "<No Values>\n");
 932         }
 933     }
 934     return 1;
 935 }
 936
 937 void hex_prin(BIO *out, unsigned char *buf, int len)
 938 {
 939     int i;
 940     for (i = 0; i < len; i++)
 941         BIO_printf(out, "%02X ", buf[i]);
 942 }
 943
 944 static int set_pbe(int *ppbe, const char *str)
 945 {
 946     if (!str)
 947         return 0;
 948     if (strcmp(str, "NONE") == 0) {
 949         *ppbe = -1;
 950         return 1;
 951     }
 952     *ppbe = OBJ_txt2nid(str);
 953     if (*ppbe == NID_undef) {
 954         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 955         return 0;
 956     }
 957     return 1;
 958 }
 959
 960 #endif