apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2016 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 static int get_cert_chain(X509 *cert, X509_STORE *store,
  31                           STACK_OF(X509) **chain);
  32 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass, int passlen,
  33                         int options, char *pempass, const EVP_CIPHER *enc);
  34 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
  35                           char *pass, int passlen, int options, char *pempass,
  36                           const EVP_CIPHER *enc);
  37 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bags, char *pass,
  38                          int passlen, int options, char *pempass,
  39                          const EVP_CIPHER *enc);
  40 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
  41                   const char *name);
  42 void hex_prin(BIO *out, unsigned char *buf, int len);
  43 static int alg_print(X509_ALGOR *alg);
  44 int cert_load(BIO *in, STACK_OF(X509) *sk);
  45 static int set_pbe(int *ppbe, const char *str);
  46
  47 typedef enum OPTION_choice {
  48     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  49     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  50     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  51     OPT_DESCERT, OPT_EXPORT, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  52     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  53     OPT_RAND, OPT_INKEY, OPT_CERTFILE, OPT_NAME, OPT_CSP, OPT_CANAME,
  54     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  55     OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_ENGINE
  56 } OPTION_CHOICE;
  57
  58 OPTIONS pkcs12_options[] = {
  59     {"help", OPT_HELP, '-', "Display this summary"},
  60     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
  61     {"keyex", OPT_KEYEX, '-', "Set MS key exchange type"},
  62     {"keysig", OPT_KEYSIG, '-', "Set MS key signature type"},
  63     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
  64     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
  65     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
  66     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
  67     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
  68     {"chain", OPT_CHAIN, '-', "Add certificate chain"},
  69     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
  70     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
  71 # ifndef OPENSSL_NO_RC2
  72     {"descert", OPT_DESCERT, '-',
  73      "Encrypt output with 3DES (default RC2-40)"},
  74     {"certpbe", OPT_CERTPBE, 's',
  75      "Certificate PBE algorithm (default RC2-40)"},
  76 # else
  77     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
  78     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
  79 # endif
  80     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
  81     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
  82     {"maciter", OPT_MACITER, '-', "Use MAC iteration"},
  83     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
  84     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
  85     {"LMK", OPT_LMK, '-',
  86      "Add local machine keyset attribute to private key"},
  87     {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
  88     {"macalg", OPT_MACALG, 's',
  89      "Digest algorithm used in MAC (default SHA1)"},
  90     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
  91     {"rand", OPT_RAND, 's',
  92      "Load the file(s) into the random number generator"},
  93     {"inkey", OPT_INKEY, '<', "Private key if not infile"},
  94     {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
  95     {"name", OPT_NAME, 's', "Use name as friendly name"},
  96     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
  97     {"caname", OPT_CANAME, 's',
  98      "Use name as CA friendly name (can be repeated)"},
  99     {"in", OPT_IN, '<', "Input filename"},
 100     {"out", OPT_OUT, '>', "Output filename"},
 101     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 102     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 103     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 104     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 105     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 106     {"no-CAfile", OPT_NOCAFILE, '-',
 107      "Do not load the default certificates file"},
 108     {"no-CApath", OPT_NOCAPATH, '-',
 109      "Do not load certificates from the default certificates directory"},
 110     {"", OPT_CIPHER, '-', "Any supported cipher"},
 111 # ifndef OPENSSL_NO_ENGINE
 112     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 113 # endif
 114     {NULL}
 115 };
 116
 117 int pkcs12_main(int argc, char **argv)
 118 {
 119     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 120     char *name = NULL, *csp_name = NULL;
 121     char pass[2048], macpass[2048];
 122     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 123     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 124 # ifndef OPENSSL_NO_RC2
 125     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 126 # else
 127     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 128 # endif
 129     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 130     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 131     int noprompt = 0;
 132     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 133     char *passin = NULL, *passout = NULL, *inrand = NULL, *macalg = NULL;
 134     char *cpass = NULL, *mpass = NULL, *CApath = NULL, *CAfile = NULL;
 135     char *prog;
 136     int noCApath = 0, noCAfile = 0;
 137     ENGINE *e = NULL;
 138     BIO *in = NULL, *out = NULL;
 139     PKCS12 *p12 = NULL;
 140     STACK_OF(OPENSSL_STRING) *canames = NULL;
 141     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 142     OPTION_CHOICE o;
 143
 144     prog = opt_init(argc, argv, pkcs12_options);
 145     while ((o = opt_next()) != OPT_EOF) {
 146         switch (o) {
 147         case OPT_EOF:
 148         case OPT_ERR:
 149  opthelp:
 150             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 151             goto end;
 152         case OPT_HELP:
 153             opt_help(pkcs12_options);
 154             ret = 0;
 155             goto end;
 156         case OPT_NOKEYS:
 157             options |= NOKEYS;
 158             break;
 159         case OPT_KEYEX:
 160             keytype = KEY_EX;
 161             break;
 162         case OPT_KEYSIG:
 163             keytype = KEY_SIG;
 164             break;
 165         case OPT_NOCERTS:
 166             options |= NOCERTS;
 167             break;
 168         case OPT_CLCERTS:
 169             options |= CLCERTS;
 170             break;
 171         case OPT_CACERTS:
 172             options |= CACERTS;
 173             break;
 174         case OPT_NOOUT:
 175             options |= (NOKEYS | NOCERTS);
 176             break;
 177         case OPT_INFO:
 178             options |= INFO;
 179             break;
 180         case OPT_CHAIN:
 181             chain = 1;
 182             break;
 183         case OPT_TWOPASS:
 184             twopass = 1;
 185             break;
 186         case OPT_NOMACVER:
 187             macver = 0;
 188             break;
 189         case OPT_DESCERT:
 190             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 191             break;
 192         case OPT_EXPORT:
 193             export_cert = 1;
 194             break;
 195         case OPT_CIPHER:
 196             if (!opt_cipher(opt_unknown(), &enc))
 197                 goto opthelp;
 198             break;
 199         case OPT_NOITER:
 200             iter = 1;
 201             break;
 202         case OPT_MACITER:
 203             maciter = PKCS12_DEFAULT_ITER;
 204             break;
 205         case OPT_NOMACITER:
 206             maciter = 1;
 207             break;
 208         case OPT_NOMAC:
 209             maciter = -1;
 210             break;
 211         case OPT_MACALG:
 212             macalg = opt_arg();
 213             break;
 214         case OPT_NODES:
 215             enc = NULL;
 216             break;
 217         case OPT_CERTPBE:
 218             if (!set_pbe(&cert_pbe, opt_arg()))
 219                 goto opthelp;
 220             break;
 221         case OPT_KEYPBE:
 222             if (!set_pbe(&key_pbe, opt_arg()))
 223                 goto opthelp;
 224             break;
 225         case OPT_RAND:
 226             inrand = opt_arg();
 227             break;
 228         case OPT_INKEY:
 229             keyname = opt_arg();
 230             break;
 231         case OPT_CERTFILE:
 232             certfile = opt_arg();
 233             break;
 234         case OPT_NAME:
 235             name = opt_arg();
 236             break;
 237         case OPT_LMK:
 238             add_lmk = 1;
 239             break;
 240         case OPT_CSP:
 241             csp_name = opt_arg();
 242             break;
 243         case OPT_CANAME:
 244             if (canames == NULL
 245                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 246                 goto end;
 247             sk_OPENSSL_STRING_push(canames, opt_arg());
 248             break;
 249         case OPT_IN:
 250             infile = opt_arg();
 251             break;
 252         case OPT_OUT:
 253             outfile = opt_arg();
 254             break;
 255         case OPT_PASSIN:
 256             passinarg = opt_arg();
 257             break;
 258         case OPT_PASSOUT:
 259             passoutarg = opt_arg();
 260             break;
 261         case OPT_PASSWORD:
 262             passarg = opt_arg();
 263             break;
 264         case OPT_CAPATH:
 265             CApath = opt_arg();
 266             break;
 267         case OPT_CAFILE:
 268             CAfile = opt_arg();
 269             break;
 270         case OPT_NOCAPATH:
 271             noCApath = 1;
 272             break;
 273         case OPT_NOCAFILE:
 274             noCAfile = 1;
 275             break;
 276         case OPT_ENGINE:
 277             e = setup_engine(opt_arg(), 0);
 278             break;
 279         }
 280     }
 281     argc = opt_num_rest();
 282     if (argc != 0)
 283         goto opthelp;
 284
 285     private = 1;
 286
 287     if (passarg) {
 288         if (export_cert)
 289             passoutarg = passarg;
 290         else
 291             passinarg = passarg;
 292     }
 293
 294     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 295         BIO_printf(bio_err, "Error getting passwords\n");
 296         goto end;
 297     }
 298
 299     if (!cpass) {
 300         if (export_cert)
 301             cpass = passout;
 302         else
 303             cpass = passin;
 304     }
 305
 306     if (cpass) {
 307         mpass = cpass;
 308         noprompt = 1;
 309     } else {
 310         cpass = pass;
 311         mpass = macpass;
 312     }
 313
 314     if (export_cert || inrand) {
 315         app_RAND_load_file(NULL, (inrand != NULL));
 316         if (inrand != NULL)
 317             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 318                        app_RAND_load_files(inrand));
 319     }
 320
 321     if (twopass) {
 322         if (1) {
 323 #ifndef OPENSSL_NO_UI
 324             if (EVP_read_pw_string
 325                 (macpass, sizeof macpass, "Enter MAC Password:", export_cert)) {
 326                 BIO_printf(bio_err, "Can't read Password\n");
 327                 goto end;
 328             }
 329         } else {
 330 #endif
 331             BIO_printf(bio_err, "Unsupported option -twopass\n");
 332             goto end;
 333         }
 334     }
 335
 336     if (export_cert) {
 337         EVP_PKEY *key = NULL;
 338         X509 *ucert = NULL, *x = NULL;
 339         STACK_OF(X509) *certs = NULL;
 340         const EVP_MD *macmd = NULL;
 341         unsigned char *catmp = NULL;
 342         int i;
 343
 344         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 345             BIO_printf(bio_err, "Nothing to do!\n");
 346             goto export_end;
 347         }
 348
 349         if (options & NOCERTS)
 350             chain = 0;
 351
 352         if (!(options & NOKEYS)) {
 353             key = load_key(keyname ? keyname : infile,
 354                            FORMAT_PEM, 1, passin, e, "private key");
 355             if (!key)
 356                 goto export_end;
 357         }
 358
 359         /* Load in all certs in input file */
 360         if (!(options & NOCERTS)) {
 361             if (!load_certs(infile, &certs, FORMAT_PEM, NULL,
 362                             "certificates"))
 363                 goto export_end;
 364
 365             if (key) {
 366                 /* Look for matching private key */
 367                 for (i = 0; i < sk_X509_num(certs); i++) {
 368                     x = sk_X509_value(certs, i);
 369                     if (X509_check_private_key(x, key)) {
 370                         ucert = x;
 371                         /* Zero keyid and alias */
 372                         X509_keyid_set1(ucert, NULL, 0);
 373                         X509_alias_set1(ucert, NULL, 0);
 374                         /* Remove from list */
 375                         (void)sk_X509_delete(certs, i);
 376                         break;
 377                     }
 378                 }
 379                 if (!ucert) {
 380                     BIO_printf(bio_err,
 381                                "No certificate matches private key\n");
 382                     goto export_end;
 383                 }
 384             }
 385
 386         }
 387
 388         /* Add any more certificates asked for */
 389         if (certfile) {
 390             if (!load_certs(certfile, &certs, FORMAT_PEM, NULL,
 391                             "certificates from certfile"))
 392                 goto export_end;
 393         }
 394
 395         /* If chaining get chain from user cert */
 396         if (chain) {
 397             int vret;
 398             STACK_OF(X509) *chain2;
 399             X509_STORE *store;
 400             if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath))
 401                     == NULL)
 402                 goto export_end;
 403
 404             vret = get_cert_chain(ucert, store, &chain2);
 405             X509_STORE_free(store);
 406
 407             if (vret == X509_V_OK) {
 408                 /* Exclude verified certificate */
 409                 for (i = 1; i < sk_X509_num(chain2); i++)
 410                     sk_X509_push(certs, sk_X509_value(chain2, i));
 411                 /* Free first certificate */
 412                 X509_free(sk_X509_value(chain2, 0));
 413                 sk_X509_free(chain2);
 414             } else {
 415                 if (vret != X509_V_ERR_UNSPECIFIED)
 416                     BIO_printf(bio_err, "Error %s getting chain.\n",
 417                                X509_verify_cert_error_string(vret));
 418                 else
 419                     ERR_print_errors(bio_err);
 420                 goto export_end;
 421             }
 422         }
 423
 424         /* Add any CA names */
 425
 426         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 427             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 428             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 429         }
 430
 431         if (csp_name && key)
 432             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 433                                       MBSTRING_ASC, (unsigned char *)csp_name,
 434                                       -1);
 435
 436         if (add_lmk && key)
 437             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 438
 439         if (!noprompt) {
 440             if (1) {
 441 #ifndef OPENSSL_NO_UI
 442                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Export Password:",
 443                                        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
 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         ASN1_INTEGER *tmaciter;
 525
 526         PKCS12_get0_mac(NULL, NULL, NULL, &tmaciter, p12);
 527         BIO_printf(bio_err, "MAC Iteration %ld\n",
 528                    tmaciter  != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 529     }
 530     if (macver) {
 531         /* If we enter empty password try no password first */
 532         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 533             /* If mac and crypto pass the same set it to NULL too */
 534             if (!twopass)
 535                 cpass = NULL;
 536         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 537             BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 538             ERR_print_errors(bio_err);
 539             goto end;
 540         }
 541     }
 542
 543     assert(private);
 544     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 545         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 546         ERR_print_errors(bio_err);
 547         goto end;
 548     }
 549     ret = 0;
 550  end:
 551     PKCS12_free(p12);
 552     if (export_cert || inrand)
 553         app_RAND_write_file(NULL);
 554     BIO_free(in);
 555     BIO_free_all(out);
 556     sk_OPENSSL_STRING_free(canames);
 557     OPENSSL_free(passin);
 558     OPENSSL_free(passout);
 559     return (ret);
 560 }
 561
 562 int dump_certs_keys_p12(BIO *out, PKCS12 *p12, char *pass,
 563                         int passlen, int options, char *pempass,
 564                         const EVP_CIPHER *enc)
 565 {
 566     STACK_OF(PKCS7) *asafes = NULL;
 567     STACK_OF(PKCS12_SAFEBAG) *bags;
 568     int i, bagnid;
 569     int ret = 0;
 570     PKCS7 *p7;
 571
 572     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 573         return 0;
 574     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 575         p7 = sk_PKCS7_value(asafes, i);
 576         bagnid = OBJ_obj2nid(p7->type);
 577         if (bagnid == NID_pkcs7_data) {
 578             bags = PKCS12_unpack_p7data(p7);
 579             if (options & INFO)
 580                 BIO_printf(bio_err, "PKCS7 Data\n");
 581         } else if (bagnid == NID_pkcs7_encrypted) {
 582             if (options & INFO) {
 583                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 584                 alg_print(p7->d.encrypted->enc_data->algorithm);
 585             }
 586             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 587         } else
 588             continue;
 589         if (!bags)
 590             goto err;
 591         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 592                                    options, pempass, enc)) {
 593             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 594             goto err;
 595         }
 596         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 597         bags = NULL;
 598     }
 599     ret = 1;
 600
 601  err:
 602     sk_PKCS7_pop_free(asafes, PKCS7_free);
 603     return ret;
 604 }
 605
 606 int dump_certs_pkeys_bags(BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,
 607                           char *pass, int passlen, int options, char *pempass,
 608                           const EVP_CIPHER *enc)
 609 {
 610     int i;
 611     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 612         if (!dump_certs_pkeys_bag(out,
 613                                   sk_PKCS12_SAFEBAG_value(bags, i),
 614                                   pass, passlen, options, pempass, enc))
 615             return 0;
 616     }
 617     return 1;
 618 }
 619
 620 int dump_certs_pkeys_bag(BIO *out, PKCS12_SAFEBAG *bag, char *pass,
 621                          int passlen, int options, char *pempass,
 622                          const EVP_CIPHER *enc)
 623 {
 624     EVP_PKEY *pkey;
 625     PKCS8_PRIV_KEY_INFO *p8;
 626     X509 *x509;
 627     STACK_OF(X509_ATTRIBUTE) *attrs;
 628     int ret = 0;
 629
 630     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 631
 632     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 633     case NID_keyBag:
 634         if (options & INFO)
 635             BIO_printf(bio_err, "Key bag\n");
 636         if (options & NOKEYS)
 637             return 1;
 638         print_attribs(out, attrs, "Bag Attributes");
 639         p8 = PKCS12_SAFEBAG_get0_p8inf(bag);
 640         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL)
 641             return 0;
 642         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 643         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 644         EVP_PKEY_free(pkey);
 645         break;
 646
 647     case NID_pkcs8ShroudedKeyBag:
 648         if (options & INFO) {
 649             X509_SIG *tp8;
 650             X509_ALGOR *tp8alg;
 651
 652             BIO_printf(bio_err, "Shrouded Keybag: ");
 653             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 654             X509_SIG_get0(&tp8alg, NULL, tp8);
 655             alg_print(tp8alg);
 656         }
 657         if (options & NOKEYS)
 658             return 1;
 659         print_attribs(out, attrs, "Bag Attributes");
 660         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 661             return 0;
 662         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 663             PKCS8_PRIV_KEY_INFO_free(p8);
 664             return 0;
 665         }
 666         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 667         PKCS8_PRIV_KEY_INFO_free(p8);
 668         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 669         EVP_PKEY_free(pkey);
 670         break;
 671
 672     case NID_certBag:
 673         if (options & INFO)
 674             BIO_printf(bio_err, "Certificate bag\n");
 675         if (options & NOCERTS)
 676             return 1;
 677         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 678             if (options & CACERTS)
 679                 return 1;
 680         } else if (options & CLCERTS)
 681             return 1;
 682         print_attribs(out, attrs, "Bag Attributes");
 683         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 684             return 1;
 685         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 686             return 0;
 687         dump_cert_text(out, x509);
 688         ret = PEM_write_bio_X509(out, x509);
 689         X509_free(x509);
 690         break;
 691
 692     case NID_safeContentsBag:
 693         if (options & INFO)
 694             BIO_printf(bio_err, "Safe Contents bag\n");
 695         print_attribs(out, attrs, "Bag Attributes");
 696         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 697                                      pass, passlen, options, pempass, enc);
 698
 699     default:
 700         BIO_printf(bio_err, "Warning unsupported bag type: ");
 701         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 702         BIO_printf(bio_err, "\n");
 703         return 1;
 704     }
 705     return ret;
 706 }
 707
 708 /* Given a single certificate return a verified chain or NULL if error */
 709
 710 static int get_cert_chain(X509 *cert, X509_STORE *store,
 711                           STACK_OF(X509) **chain)
 712 {
 713     X509_STORE_CTX *store_ctx = NULL;
 714     STACK_OF(X509) *chn = NULL;
 715     int i = 0;
 716
 717     store_ctx = X509_STORE_CTX_new();
 718     if (store_ctx == NULL) {
 719         i =  X509_V_ERR_UNSPECIFIED;
 720         goto end;
 721     }
 722     if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
 723         i =  X509_V_ERR_UNSPECIFIED;
 724         goto end;
 725     }
 726
 727
 728     if (X509_verify_cert(store_ctx) > 0)
 729         chn = X509_STORE_CTX_get1_chain(store_ctx);
 730     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 731         i = X509_V_ERR_UNSPECIFIED;
 732
 733 end:
 734     X509_STORE_CTX_free(store_ctx);
 735     *chain = chn;
 736     return i;
 737 }
 738
 739 static int alg_print(X509_ALGOR *alg)
 740 {
 741     PBEPARAM *pbe;
 742     const unsigned char *p = alg->parameter->value.sequence->data;
 743
 744     pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
 745     if (!pbe)
 746         return 1;
 747     BIO_printf(bio_err, "%s, Iteration %ld\n",
 748                OBJ_nid2ln(OBJ_obj2nid(alg->algorithm)),
 749                ASN1_INTEGER_get(pbe->iter));
 750     PBEPARAM_free(pbe);
 751     return 1;
 752 }
 753
 754 /* Load all certificates from a given file */
 755
 756 int cert_load(BIO *in, STACK_OF(X509) *sk)
 757 {
 758     int ret;
 759     X509 *cert;
 760     ret = 0;
 761     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 762         ret = 1;
 763         sk_X509_push(sk, cert);
 764     }
 765     if (ret)
 766         ERR_clear_error();
 767     return ret;
 768 }
 769
 770 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 771
 772 int print_attribs(BIO *out, STACK_OF(X509_ATTRIBUTE) *attrlst,
 773                   const char *name)
 774 {
 775     X509_ATTRIBUTE *attr;
 776     ASN1_TYPE *av;
 777     char *value;
 778     int i, attr_nid;
 779     if (!attrlst) {
 780         BIO_printf(out, "%s: <No Attributes>\n", name);
 781         return 1;
 782     }
 783     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 784         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 785         return 1;
 786     }
 787     BIO_printf(out, "%s\n", name);
 788     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 789         ASN1_OBJECT *attr_obj;
 790         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 791         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 792         attr_nid = OBJ_obj2nid(attr_obj);
 793         BIO_printf(out, "    ");
 794         if (attr_nid == NID_undef) {
 795             i2a_ASN1_OBJECT(out, attr_obj);
 796             BIO_printf(out, ": ");
 797         } else
 798             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 799
 800         if (X509_ATTRIBUTE_count(attr)) {
 801             av = X509_ATTRIBUTE_get0_type(attr, 0);
 802             switch (av->type) {
 803             case V_ASN1_BMPSTRING:
 804                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 805                                         av->value.bmpstring->length);
 806                 BIO_printf(out, "%s\n", value);
 807                 OPENSSL_free(value);
 808                 break;
 809
 810             case V_ASN1_OCTET_STRING:
 811                 hex_prin(out, av->value.octet_string->data,
 812                          av->value.octet_string->length);
 813                 BIO_printf(out, "\n");
 814                 break;
 815
 816             case V_ASN1_BIT_STRING:
 817                 hex_prin(out, av->value.bit_string->data,
 818                          av->value.bit_string->length);
 819                 BIO_printf(out, "\n");
 820                 break;
 821
 822             default:
 823                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 824                 break;
 825             }
 826         } else
 827             BIO_printf(out, "<No Values>\n");
 828     }
 829     return 1;
 830 }
 831
 832 void hex_prin(BIO *out, unsigned char *buf, int len)
 833 {
 834     int i;
 835     for (i = 0; i < len; i++)
 836         BIO_printf(out, "%02X ", buf[i]);
 837 }
 838
 839 static int set_pbe(int *ppbe, const char *str)
 840 {
 841     if (!str)
 842         return 0;
 843     if (strcmp(str, "NONE") == 0) {
 844         *ppbe = -1;
 845         return 1;
 846     }
 847     *ppbe = OBJ_txt2nid(str);
 848     if (*ppbe == NID_undef) {
 849         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 850         return 0;
 851     }
 852     return 1;
 853 }
 854
 855 #endif