apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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         if (twopass) {
 315             if (export_cert)
 316                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
 317             else
 318                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
 319             goto end;
 320         }
 321     } else {
 322         cpass = pass;
 323         mpass = macpass;
 324     }
 325
 326     if (twopass) {
 327         /* To avoid bit rot */
 328         if (1) {
 329 #ifndef OPENSSL_NO_UI_CONSOLE
 330             if (EVP_read_pw_string(
 331                 macpass, sizeof(macpass), "Enter MAC Password:", export_cert)) {
 332                 BIO_printf(bio_err, "Can't read Password\n");
 333                 goto end;
 334             }
 335         } else {
 336 #endif
 337             BIO_printf(bio_err, "Unsupported option -twopass\n");
 338             goto end;
 339         }
 340     }
 341
 342     if (export_cert) {
 343         EVP_PKEY *key = NULL;
 344         X509 *ucert = NULL, *x = NULL;
 345         STACK_OF(X509) *certs = NULL;
 346         const EVP_MD *macmd = NULL;
 347         unsigned char *catmp = NULL;
 348         int i;
 349
 350         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 351             BIO_printf(bio_err, "Nothing to do!\n");
 352             goto export_end;
 353         }
 354
 355         if (options & NOCERTS)
 356             chain = 0;
 357
 358         if (!(options & NOKEYS)) {
 359             key = load_key(keyname ? keyname : infile,
 360                            FORMAT_PEM, 1, passin, e, "private key");
 361             if (key == NULL)
 362                 goto export_end;
 363         }
 364
 365         /* Load in all certs in input file */
 366         if (!(options & NOCERTS)) {
 367             if (!load_certs(infile, &certs, FORMAT_PEM, NULL,
 368                             "certificates"))
 369                 goto export_end;
 370
 371             if (key != NULL) {
 372                 /* Look for matching private key */
 373                 for (i = 0; i < sk_X509_num(certs); i++) {
 374                     x = sk_X509_value(certs, i);
 375                     if (X509_check_private_key(x, key)) {
 376                         ucert = x;
 377                         /* Zero keyid and alias */
 378                         X509_keyid_set1(ucert, NULL, 0);
 379                         X509_alias_set1(ucert, NULL, 0);
 380                         /* Remove from list */
 381                         (void)sk_X509_delete(certs, i);
 382                         break;
 383                     }
 384                 }
 385                 if (ucert == NULL) {
 386                     BIO_printf(bio_err,
 387                                "No certificate matches private key\n");
 388                     goto export_end;
 389                 }
 390             }
 391
 392         }
 393
 394         /* Add any more certificates asked for */
 395         if (certfile != NULL) {
 396             if (!load_certs(certfile, &certs, FORMAT_PEM, NULL,
 397                             "certificates from certfile"))
 398                 goto export_end;
 399         }
 400
 401         /* If chaining get chain from user cert */
 402         if (chain) {
 403             int vret;
 404             STACK_OF(X509) *chain2;
 405             X509_STORE *store;
 406             if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath))
 407                     == NULL)
 408                 goto export_end;
 409
 410             vret = get_cert_chain(ucert, store, &chain2);
 411             X509_STORE_free(store);
 412
 413             if (vret == X509_V_OK) {
 414                 /* Exclude verified certificate */
 415                 for (i = 1; i < sk_X509_num(chain2); i++)
 416                     sk_X509_push(certs, sk_X509_value(chain2, i));
 417                 /* Free first certificate */
 418                 X509_free(sk_X509_value(chain2, 0));
 419                 sk_X509_free(chain2);
 420             } else {
 421                 if (vret != X509_V_ERR_UNSPECIFIED)
 422                     BIO_printf(bio_err, "Error %s getting chain.\n",
 423                                X509_verify_cert_error_string(vret));
 424                 else
 425                     ERR_print_errors(bio_err);
 426                 goto export_end;
 427             }
 428         }
 429
 430         /* Add any CA names */
 431
 432         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 433             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 434             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 435         }
 436
 437         if (csp_name != NULL && key != NULL)
 438             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 439                                       MBSTRING_ASC, (unsigned char *)csp_name,
 440                                       -1);
 441
 442         if (add_lmk && key != NULL)
 443             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 444
 445         if (!noprompt) {
 446             /* To avoid bit rot */
 447             if (1) {
 448 #ifndef OPENSSL_NO_UI_CONSOLE
 449                 if (EVP_read_pw_string(pass, sizeof(pass),
 450                                        "Enter Export Password:", 1)) {
 451                     BIO_printf(bio_err, "Can't read Password\n");
 452                     goto export_end;
 453                 }
 454             } else {
 455 #endif
 456                 BIO_printf(bio_err, "Password required\n");
 457                 goto export_end;
 458             }
 459         }
 460
 461         if (!twopass)
 462             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 463
 464         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 465                             key_pbe, cert_pbe, iter, -1, keytype);
 466
 467         if (!p12) {
 468             ERR_print_errors(bio_err);
 469             goto export_end;
 470         }
 471
 472         if (macalg) {
 473             if (!opt_md(macalg, &macmd))
 474                 goto opthelp;
 475         }
 476
 477         if (maciter != -1)
 478             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 479
 480         assert(private);
 481
 482         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 483         if (out == NULL)
 484             goto end;
 485
 486         i2d_PKCS12_bio(out, p12);
 487
 488         ret = 0;
 489
 490  export_end:
 491
 492         EVP_PKEY_free(key);
 493         sk_X509_pop_free(certs, X509_free);
 494         X509_free(ucert);
 495
 496         goto end;
 497
 498     }
 499
 500     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 501     if (in == NULL)
 502         goto end;
 503     out = bio_open_owner(outfile, FORMAT_PEM, private);
 504     if (out == NULL)
 505         goto end;
 506
 507     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 508         ERR_print_errors(bio_err);
 509         goto end;
 510     }
 511
 512     if (!noprompt) {
 513         if (1) {
 514 #ifndef OPENSSL_NO_UI_CONSOLE
 515             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 516                                    0)) {
 517                 BIO_printf(bio_err, "Can't read Password\n");
 518                 goto end;
 519             }
 520         } else {
 521 #endif
 522             BIO_printf(bio_err, "Password required\n");
 523             goto end;
 524         }
 525     }
 526
 527     if (!twopass)
 528         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 529
 530     if ((options & INFO) && PKCS12_mac_present(p12)) {
 531         const ASN1_INTEGER *tmaciter;
 532         const X509_ALGOR *macalgid;
 533         const ASN1_OBJECT *macobj;
 534         const ASN1_OCTET_STRING *tmac;
 535         const ASN1_OCTET_STRING *tsalt;
 536
 537         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 538         /* current hash algorithms do not use parameters so extract just name,
 539            in future alg_print() may be needed */
 540         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 541         BIO_puts(bio_err, "MAC: ");
 542         i2a_ASN1_OBJECT(bio_err, macobj);
 543         BIO_printf(bio_err, ", Iteration %ld\n",
 544                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 545         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 546                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 547                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 548     }
 549     if (macver) {
 550         /* If we enter empty password try no password first */
 551         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 552             /* If mac and crypto pass the same set it to NULL too */
 553             if (!twopass)
 554                 cpass = NULL;
 555         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 556             /*
 557              * May be UTF8 from previous version of OpenSSL:
 558              * convert to a UTF8 form which will translate
 559              * to the same Unicode password.
 560              */
 561             unsigned char *utmp;
 562             int utmplen;
 563             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 564             if (utmp == NULL)
 565                 goto end;
 566             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 567             OPENSSL_free(utmp);
 568             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 569                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 570                 ERR_print_errors(bio_err);
 571                 goto end;
 572             } else {
 573                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 574                 if (!twopass)
 575                     cpass = badpass;
 576             }
 577         }
 578     }
 579
 580     assert(private);
 581     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 582         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 583         ERR_print_errors(bio_err);
 584         goto end;
 585     }
 586     ret = 0;
 587  end:
 588     PKCS12_free(p12);
 589     release_engine(e);
 590     BIO_free(in);
 591     BIO_free_all(out);
 592     sk_OPENSSL_STRING_free(canames);
 593     OPENSSL_free(badpass);
 594     OPENSSL_free(passin);
 595     OPENSSL_free(passout);
 596     return ret;
 597 }
 598
 599 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 600                         int passlen, int options, char *pempass,
 601                         const EVP_CIPHER *enc)
 602 {
 603     STACK_OF(PKCS7) *asafes = NULL;
 604     STACK_OF(PKCS12_SAFEBAG) *bags;
 605     int i, bagnid;
 606     int ret = 0;
 607     PKCS7 *p7;
 608
 609     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 610         return 0;
 611     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 612         p7 = sk_PKCS7_value(asafes, i);
 613         bagnid = OBJ_obj2nid(p7->type);
 614         if (bagnid == NID_pkcs7_data) {
 615             bags = PKCS12_unpack_p7data(p7);
 616             if (options & INFO)
 617                 BIO_printf(bio_err, "PKCS7 Data\n");
 618         } else if (bagnid == NID_pkcs7_encrypted) {
 619             if (options & INFO) {
 620                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 621                 alg_print(p7->d.encrypted->enc_data->algorithm);
 622             }
 623             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 624         } else {
 625             continue;
 626         }
 627         if (!bags)
 628             goto err;
 629         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 630                                    options, pempass, enc)) {
 631             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 632             goto err;
 633         }
 634         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 635         bags = NULL;
 636     }
 637     ret = 1;
 638
 639  err:
 640     sk_PKCS7_pop_free(asafes, PKCS7_free);
 641     return ret;
 642 }
 643
 644 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 645                           const char *pass, int passlen, int options,
 646                           char *pempass, const EVP_CIPHER *enc)
 647 {
 648     int i;
 649     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 650         if (!dump_certs_pkeys_bag(out,
 651                                   sk_PKCS12_SAFEBAG_value(bags, i),
 652                                   pass, passlen, options, pempass, enc))
 653             return 0;
 654     }
 655     return 1;
 656 }
 657
 658 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 659                          const char *pass, int passlen, int options,
 660                          char *pempass, const EVP_CIPHER *enc)
 661 {
 662     EVP_PKEY *pkey;
 663     PKCS8_PRIV_KEY_INFO *p8;
 664     const PKCS8_PRIV_KEY_INFO *p8c;
 665     X509 *x509;
 666     const STACK_OF(X509_ATTRIBUTE) *attrs;
 667     int ret = 0;
 668
 669     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 670
 671     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 672     case NID_keyBag:
 673         if (options & INFO)
 674             BIO_printf(bio_err, "Key bag\n");
 675         if (options & NOKEYS)
 676             return 1;
 677         print_attribs(out, attrs, "Bag Attributes");
 678         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 679         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 680             return 0;
 681         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 682         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 683         EVP_PKEY_free(pkey);
 684         break;
 685
 686     case NID_pkcs8ShroudedKeyBag:
 687         if (options & INFO) {
 688             const X509_SIG *tp8;
 689             const X509_ALGOR *tp8alg;
 690
 691             BIO_printf(bio_err, "Shrouded Keybag: ");
 692             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 693             X509_SIG_get0(tp8, &tp8alg, NULL);
 694             alg_print(tp8alg);
 695         }
 696         if (options & NOKEYS)
 697             return 1;
 698         print_attribs(out, attrs, "Bag Attributes");
 699         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 700             return 0;
 701         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 702             PKCS8_PRIV_KEY_INFO_free(p8);
 703             return 0;
 704         }
 705         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 706         PKCS8_PRIV_KEY_INFO_free(p8);
 707         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 708         EVP_PKEY_free(pkey);
 709         break;
 710
 711     case NID_certBag:
 712         if (options & INFO)
 713             BIO_printf(bio_err, "Certificate bag\n");
 714         if (options & NOCERTS)
 715             return 1;
 716         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 717             if (options & CACERTS)
 718                 return 1;
 719         } else if (options & CLCERTS)
 720             return 1;
 721         print_attribs(out, attrs, "Bag Attributes");
 722         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 723             return 1;
 724         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 725             return 0;
 726         dump_cert_text(out, x509);
 727         ret = PEM_write_bio_X509(out, x509);
 728         X509_free(x509);
 729         break;
 730
 731     case NID_safeContentsBag:
 732         if (options & INFO)
 733             BIO_printf(bio_err, "Safe Contents bag\n");
 734         print_attribs(out, attrs, "Bag Attributes");
 735         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 736                                      pass, passlen, options, pempass, enc);
 737
 738     default:
 739         BIO_printf(bio_err, "Warning unsupported bag type: ");
 740         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 741         BIO_printf(bio_err, "\n");
 742         return 1;
 743     }
 744     return ret;
 745 }
 746
 747 /* Given a single certificate return a verified chain or NULL if error */
 748
 749 static int get_cert_chain(X509 *cert, X509_STORE *store,
 750                           STACK_OF(X509) **chain)
 751 {
 752     X509_STORE_CTX *store_ctx = NULL;
 753     STACK_OF(X509) *chn = NULL;
 754     int i = 0;
 755
 756     store_ctx = X509_STORE_CTX_new();
 757     if (store_ctx == NULL) {
 758         i =  X509_V_ERR_UNSPECIFIED;
 759         goto end;
 760     }
 761     if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
 762         i =  X509_V_ERR_UNSPECIFIED;
 763         goto end;
 764     }
 765
 766
 767     if (X509_verify_cert(store_ctx) > 0)
 768         chn = X509_STORE_CTX_get1_chain(store_ctx);
 769     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 770         i = X509_V_ERR_UNSPECIFIED;
 771
 772 end:
 773     X509_STORE_CTX_free(store_ctx);
 774     *chain = chn;
 775     return i;
 776 }
 777
 778 static int alg_print(const X509_ALGOR *alg)
 779 {
 780     int pbenid, aparamtype;
 781     const ASN1_OBJECT *aoid;
 782     const void *aparam;
 783     PBEPARAM *pbe = NULL;
 784
 785     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 786
 787     pbenid = OBJ_obj2nid(aoid);
 788
 789     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 790
 791     /*
 792      * If PBE algorithm is PBES2 decode algorithm parameters
 793      * for additional details.
 794      */
 795     if (pbenid == NID_pbes2) {
 796         PBE2PARAM *pbe2 = NULL;
 797         int encnid;
 798         if (aparamtype == V_ASN1_SEQUENCE)
 799             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 800         if (pbe2 == NULL) {
 801             BIO_puts(bio_err, ", <unsupported parameters>");
 802             goto done;
 803         }
 804         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
 805         pbenid = OBJ_obj2nid(aoid);
 806         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
 807         encnid = OBJ_obj2nid(aoid);
 808         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
 809                    OBJ_nid2sn(encnid));
 810         /* If KDF is PBKDF2 decode parameters */
 811         if (pbenid == NID_id_pbkdf2) {
 812             PBKDF2PARAM *kdf = NULL;
 813             int prfnid;
 814             if (aparamtype == V_ASN1_SEQUENCE)
 815                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
 816             if (kdf == NULL) {
 817                 BIO_puts(bio_err, ", <unsupported parameters>");
 818                 goto done;
 819             }
 820
 821             if (kdf->prf == NULL) {
 822                 prfnid = NID_hmacWithSHA1;
 823             } else {
 824                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
 825                 prfnid = OBJ_obj2nid(aoid);
 826             }
 827             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
 828                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
 829             PBKDF2PARAM_free(kdf);
 830 #ifndef OPENSSL_NO_SCRYPT
 831         } else if (pbenid == NID_id_scrypt) {
 832             SCRYPT_PARAMS *kdf = NULL;
 833
 834             if (aparamtype == V_ASN1_SEQUENCE)
 835                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
 836             if (kdf == NULL) {
 837                 BIO_puts(bio_err, ", <unsupported parameters>");
 838                 goto done;
 839             }
 840             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
 841                        "Block size(r): %ld, Parallelism(p): %ld",
 842                        ASN1_STRING_length(kdf->salt),
 843                        ASN1_INTEGER_get(kdf->costParameter),
 844                        ASN1_INTEGER_get(kdf->blockSize),
 845                        ASN1_INTEGER_get(kdf->parallelizationParameter));
 846             SCRYPT_PARAMS_free(kdf);
 847 #endif
 848         }
 849         PBE2PARAM_free(pbe2);
 850     } else {
 851         if (aparamtype == V_ASN1_SEQUENCE)
 852             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
 853         if (pbe == NULL) {
 854             BIO_puts(bio_err, ", <unsupported parameters>");
 855             goto done;
 856         }
 857         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
 858         PBEPARAM_free(pbe);
 859     }
 860  done:
 861     BIO_puts(bio_err, "\n");
 862     return 1;
 863 }
 864
 865 /* Load all certificates from a given file */
 866
 867 int cert_load(BIO *in, STACK_OF(X509) *sk)
 868 {
 869     int ret;
 870     X509 *cert;
 871     ret = 0;
 872     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 873         ret = 1;
 874         sk_X509_push(sk, cert);
 875     }
 876     if (ret)
 877         ERR_clear_error();
 878     return ret;
 879 }
 880
 881 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 882
 883 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
 884                   const char *name)
 885 {
 886     X509_ATTRIBUTE *attr;
 887     ASN1_TYPE *av;
 888     char *value;
 889     int i, attr_nid;
 890     if (!attrlst) {
 891         BIO_printf(out, "%s: <No Attributes>\n", name);
 892         return 1;
 893     }
 894     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 895         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 896         return 1;
 897     }
 898     BIO_printf(out, "%s\n", name);
 899     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 900         ASN1_OBJECT *attr_obj;
 901         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 902         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 903         attr_nid = OBJ_obj2nid(attr_obj);
 904         BIO_printf(out, "    ");
 905         if (attr_nid == NID_undef) {
 906             i2a_ASN1_OBJECT(out, attr_obj);
 907             BIO_printf(out, ": ");
 908         } else {
 909             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 910         }
 911
 912         if (X509_ATTRIBUTE_count(attr)) {
 913             av = X509_ATTRIBUTE_get0_type(attr, 0);
 914             switch (av->type) {
 915             case V_ASN1_BMPSTRING:
 916                 value = OPENSSL_uni2asc(av->value.bmpstring->data,
 917                                         av->value.bmpstring->length);
 918                 BIO_printf(out, "%s\n", value);
 919                 OPENSSL_free(value);
 920                 break;
 921
 922             case V_ASN1_OCTET_STRING:
 923                 hex_prin(out, av->value.octet_string->data,
 924                          av->value.octet_string->length);
 925                 BIO_printf(out, "\n");
 926                 break;
 927
 928             case V_ASN1_BIT_STRING:
 929                 hex_prin(out, av->value.bit_string->data,
 930                          av->value.bit_string->length);
 931                 BIO_printf(out, "\n");
 932                 break;
 933
 934             default:
 935                 BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 936                 break;
 937             }
 938         } else {
 939             BIO_printf(out, "<No Values>\n");
 940         }
 941     }
 942     return 1;
 943 }
 944
 945 void hex_prin(BIO *out, unsigned char *buf, int len)
 946 {
 947     int i;
 948     for (i = 0; i < len; i++)
 949         BIO_printf(out, "%02X ", buf[i]);
 950 }
 951
 952 static int set_pbe(int *ppbe, const char *str)
 953 {
 954     if (!str)
 955         return 0;
 956     if (strcmp(str, "NONE") == 0) {
 957         *ppbe = -1;
 958         return 1;
 959     }
 960     *ppbe = OBJ_txt2nid(str);
 961     if (*ppbe == NID_undef) {
 962         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
 963         return 0;
 964     }
 965     return 1;
 966 }
 967
 968 #endif