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 void print_attribute(BIO *out, const ASN1_TYPE *av);
  45 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
  46                   const char *name);
  47 void hex_prin(BIO *out, unsigned char *buf, int len);
  48 static int alg_print(const X509_ALGOR *alg);
  49 int cert_load(BIO *in, STACK_OF(X509) *sk);
  50 static int set_pbe(int *ppbe, const char *str);
  51
  52 typedef enum OPTION_choice {
  53     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  54     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  55     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  56     OPT_DESCERT, OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  57     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  58     OPT_INKEY, OPT_CERTFILE, OPT_NAME, OPT_CSP, OPT_CANAME,
  59     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  60     OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
  61     OPT_R_ENUM
  62 } OPTION_CHOICE;
  63
  64 const OPTIONS pkcs12_options[] = {
  65     OPT_SECTION("General"),
  66     {"help", OPT_HELP, '-', "Display this summary"},
  67 # ifndef OPENSSL_NO_ENGINE
  68     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  69 # endif
  70
  71     OPT_SECTION("CA"),
  72     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
  73     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
  74     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
  75     {"no-CAfile", OPT_NOCAFILE, '-',
  76      "Do not load the default certificates file"},
  77     {"no-CApath", OPT_NOCAPATH, '-',
  78      "Do not load certificates from the default certificates directory"},
  79     {"no-CAstore", OPT_NOCASTORE, '-',
  80      "Do not load certificates from the default certificates store"},
  81
  82     OPT_SECTION("Input"),
  83     {"inkey", OPT_INKEY, 's', "Private key if not infile"},
  84     {"certfile", OPT_CERTFILE, '<', "Load certs from file"},
  85     {"name", OPT_NAME, 's', "Use name as friendly name"},
  86     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
  87     {"caname", OPT_CANAME, 's',
  88      "Use name as CA friendly name (can be repeated)"},
  89     {"in", OPT_IN, '<', "Input filename"},
  90     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
  91
  92     OPT_SECTION("Output"),
  93     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
  94     {"LMK", OPT_LMK, '-',
  95      "Add local machine keyset attribute to private key"},
  96     {"macalg", OPT_MACALG, 's',
  97      "Digest algorithm used in MAC (default SHA1)"},
  98     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
  99     {"out", OPT_OUT, '>', "Output filename"},
 100     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 101     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 102     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
 103     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
 104     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
 105     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify"},
 106     {"chain", OPT_CHAIN, '-', "Add certificate chain"},
 107     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
 108     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
 109     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
 110     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
 111     {"keyex", OPT_KEYEX, '-', "Set MS key exchange type"},
 112     {"keysig", OPT_KEYSIG, '-', "Set MS key signature type"},
 113
 114     OPT_SECTION("Encryption"),
 115 # ifndef OPENSSL_NO_RC2
 116     {"descert", OPT_DESCERT, '-',
 117      "Encrypt output with 3DES (default RC2-40)"},
 118     {"certpbe", OPT_CERTPBE, 's',
 119      "Certificate PBE algorithm (default RC2-40)"},
 120 # else
 121     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
 122     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
 123 # endif
 124     {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption key and MAC"},
 125     {"noiter", OPT_NOITER, '-', "Don't use encryption key iteration"},
 126     {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
 127     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
 128     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
 129     {"nodes", OPT_NODES, '-', "Don't encrypt private keys"},
 130     {"", OPT_CIPHER, '-', "Any supported cipher"},
 131
 132     OPT_R_OPTIONS,
 133     {NULL}
 134 };
 135
 136 int pkcs12_main(int argc, char **argv)
 137 {
 138     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 139     char *name = NULL, *csp_name = NULL;
 140     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 141     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 142     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 143 # ifndef OPENSSL_NO_RC2
 144     int cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 145 # else
 146     int cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 147 # endif
 148     int key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 149     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 150     int noprompt = 0;
 151     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 152     char *passin = NULL, *passout = NULL, *macalg = NULL;
 153     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 154     const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
 155     int noCApath = 0, noCAfile = 0, noCAstore = 0;
 156     ENGINE *e = NULL;
 157     BIO *in = NULL, *out = NULL;
 158     PKCS12 *p12 = NULL;
 159     STACK_OF(OPENSSL_STRING) *canames = NULL;
 160     const EVP_CIPHER *enc = EVP_des_ede3_cbc();
 161     OPTION_CHOICE o;
 162
 163     prog = opt_init(argc, argv, pkcs12_options);
 164     while ((o = opt_next()) != OPT_EOF) {
 165         switch (o) {
 166         case OPT_EOF:
 167         case OPT_ERR:
 168  opthelp:
 169             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 170             goto end;
 171         case OPT_HELP:
 172             opt_help(pkcs12_options);
 173             ret = 0;
 174             goto end;
 175         case OPT_NOKEYS:
 176             options |= NOKEYS;
 177             break;
 178         case OPT_KEYEX:
 179             keytype = KEY_EX;
 180             break;
 181         case OPT_KEYSIG:
 182             keytype = KEY_SIG;
 183             break;
 184         case OPT_NOCERTS:
 185             options |= NOCERTS;
 186             break;
 187         case OPT_CLCERTS:
 188             options |= CLCERTS;
 189             break;
 190         case OPT_CACERTS:
 191             options |= CACERTS;
 192             break;
 193         case OPT_NOOUT:
 194             options |= (NOKEYS | NOCERTS);
 195             break;
 196         case OPT_INFO:
 197             options |= INFO;
 198             break;
 199         case OPT_CHAIN:
 200             chain = 1;
 201             break;
 202         case OPT_TWOPASS:
 203             twopass = 1;
 204             break;
 205         case OPT_NOMACVER:
 206             macver = 0;
 207             break;
 208         case OPT_DESCERT:
 209             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 210             break;
 211         case OPT_EXPORT:
 212             export_cert = 1;
 213             break;
 214         case OPT_CIPHER:
 215             if (!opt_cipher(opt_unknown(), &enc))
 216                 goto opthelp;
 217             break;
 218         case OPT_ITER:
 219             if (!opt_int(opt_arg(), &iter))
 220                 goto opthelp;
 221             maciter = iter;
 222             break;
 223         case OPT_NOITER:
 224             iter = 1;
 225             break;
 226         case OPT_MACITER:
 227             /* no-op */
 228             break;
 229         case OPT_NOMACITER:
 230             maciter = 1;
 231             break;
 232         case OPT_NOMAC:
 233             maciter = -1;
 234             break;
 235         case OPT_MACALG:
 236             macalg = opt_arg();
 237             break;
 238         case OPT_NODES:
 239             enc = NULL;
 240             break;
 241         case OPT_CERTPBE:
 242             if (!set_pbe(&cert_pbe, opt_arg()))
 243                 goto opthelp;
 244             break;
 245         case OPT_KEYPBE:
 246             if (!set_pbe(&key_pbe, opt_arg()))
 247                 goto opthelp;
 248             break;
 249         case OPT_R_CASES:
 250             if (!opt_rand(o))
 251                 goto end;
 252             break;
 253         case OPT_INKEY:
 254             keyname = opt_arg();
 255             break;
 256         case OPT_CERTFILE:
 257             certfile = opt_arg();
 258             break;
 259         case OPT_NAME:
 260             name = opt_arg();
 261             break;
 262         case OPT_LMK:
 263             add_lmk = 1;
 264             break;
 265         case OPT_CSP:
 266             csp_name = opt_arg();
 267             break;
 268         case OPT_CANAME:
 269             if (canames == NULL
 270                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 271                 goto end;
 272             sk_OPENSSL_STRING_push(canames, opt_arg());
 273             break;
 274         case OPT_IN:
 275             infile = opt_arg();
 276             break;
 277         case OPT_OUT:
 278             outfile = opt_arg();
 279             break;
 280         case OPT_PASSIN:
 281             passinarg = opt_arg();
 282             break;
 283         case OPT_PASSOUT:
 284             passoutarg = opt_arg();
 285             break;
 286         case OPT_PASSWORD:
 287             passarg = opt_arg();
 288             break;
 289         case OPT_CAPATH:
 290             CApath = opt_arg();
 291             break;
 292         case OPT_CASTORE:
 293             CAstore = opt_arg();
 294             break;
 295         case OPT_CAFILE:
 296             CAfile = opt_arg();
 297             break;
 298         case OPT_NOCAPATH:
 299             noCApath = 1;
 300             break;
 301         case OPT_NOCASTORE:
 302             noCAstore = 1;
 303             break;
 304         case OPT_NOCAFILE:
 305             noCAfile = 1;
 306             break;
 307         case OPT_ENGINE:
 308             e = setup_engine(opt_arg(), 0);
 309             break;
 310         }
 311     }
 312     argc = opt_num_rest();
 313     if (argc != 0)
 314         goto opthelp;
 315
 316     private = 1;
 317
 318     if (passarg != NULL) {
 319         if (export_cert)
 320             passoutarg = passarg;
 321         else
 322             passinarg = passarg;
 323     }
 324
 325     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 326         BIO_printf(bio_err, "Error getting passwords\n");
 327         goto end;
 328     }
 329
 330     if (cpass == NULL) {
 331         if (export_cert)
 332             cpass = passout;
 333         else
 334             cpass = passin;
 335     }
 336
 337     if (cpass != NULL) {
 338         mpass = cpass;
 339         noprompt = 1;
 340         if (twopass) {
 341             if (export_cert)
 342                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
 343             else
 344                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
 345             goto end;
 346         }
 347     } else {
 348         cpass = pass;
 349         mpass = macpass;
 350     }
 351
 352     if (twopass) {
 353         /* To avoid bit rot */
 354         if (1) {
 355 #ifndef OPENSSL_NO_UI_CONSOLE
 356             if (EVP_read_pw_string(
 357                 macpass, sizeof(macpass), "Enter MAC Password:", export_cert)) {
 358                 BIO_printf(bio_err, "Can't read Password\n");
 359                 goto end;
 360             }
 361         } else {
 362 #endif
 363             BIO_printf(bio_err, "Unsupported option -twopass\n");
 364             goto end;
 365         }
 366     }
 367
 368     if (export_cert) {
 369         EVP_PKEY *key = NULL;
 370         X509 *ucert = NULL, *x = NULL;
 371         STACK_OF(X509) *certs = NULL;
 372         const EVP_MD *macmd = NULL;
 373         unsigned char *catmp = NULL;
 374         int i;
 375
 376         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 377             BIO_printf(bio_err, "Nothing to do!\n");
 378             goto export_end;
 379         }
 380
 381         if (options & NOCERTS)
 382             chain = 0;
 383
 384         if (!(options & NOKEYS)) {
 385             key = load_key(keyname ? keyname : infile,
 386                            FORMAT_PEM, 1, passin, e, "private key");
 387             if (key == NULL)
 388                 goto export_end;
 389         }
 390
 391         /* Load in all certs in input file */
 392         if (!(options & NOCERTS)) {
 393             if (!load_certs(infile, &certs, FORMAT_PEM, NULL,
 394                             "certificates"))
 395                 goto export_end;
 396
 397             if (key != NULL) {
 398                 /* Look for matching private key */
 399                 for (i = 0; i < sk_X509_num(certs); i++) {
 400                     x = sk_X509_value(certs, i);
 401                     if (X509_check_private_key(x, key)) {
 402                         ucert = x;
 403                         /* Zero keyid and alias */
 404                         X509_keyid_set1(ucert, NULL, 0);
 405                         X509_alias_set1(ucert, NULL, 0);
 406                         /* Remove from list */
 407                         (void)sk_X509_delete(certs, i);
 408                         break;
 409                     }
 410                 }
 411                 if (ucert == NULL) {
 412                     BIO_printf(bio_err,
 413                                "No certificate matches private key\n");
 414                     goto export_end;
 415                 }
 416             }
 417
 418         }
 419
 420         /* Add any more certificates asked for */
 421         if (certfile != NULL) {
 422             if (!load_certs(certfile, &certs, FORMAT_PEM, NULL,
 423                             "certificates from certfile"))
 424                 goto export_end;
 425         }
 426
 427         /* If chaining get chain from user cert */
 428         if (chain) {
 429             int vret;
 430             STACK_OF(X509) *chain2;
 431             X509_STORE *store;
 432             if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
 433                                       CAstore, noCAstore))
 434                     == NULL)
 435                 goto export_end;
 436
 437             vret = get_cert_chain(ucert, store, &chain2);
 438             X509_STORE_free(store);
 439
 440             if (vret == X509_V_OK) {
 441                 /* Exclude verified certificate */
 442                 for (i = 1; i < sk_X509_num(chain2); i++)
 443                     sk_X509_push(certs, sk_X509_value(chain2, i));
 444                 /* Free first certificate */
 445                 X509_free(sk_X509_value(chain2, 0));
 446                 sk_X509_free(chain2);
 447             } else {
 448                 if (vret != X509_V_ERR_UNSPECIFIED)
 449                     BIO_printf(bio_err, "Error %s getting chain.\n",
 450                                X509_verify_cert_error_string(vret));
 451                 else
 452                     ERR_print_errors(bio_err);
 453                 goto export_end;
 454             }
 455         }
 456
 457         /* Add any CA names */
 458
 459         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 460             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 461             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 462         }
 463
 464         if (csp_name != NULL && key != NULL)
 465             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 466                                       MBSTRING_ASC, (unsigned char *)csp_name,
 467                                       -1);
 468
 469         if (add_lmk && key != NULL)
 470             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 471
 472         if (!noprompt) {
 473             /* To avoid bit rot */
 474             if (1) {
 475 #ifndef OPENSSL_NO_UI_CONSOLE
 476                 if (EVP_read_pw_string(pass, sizeof(pass),
 477                                        "Enter Export Password:", 1)) {
 478                     BIO_printf(bio_err, "Can't read Password\n");
 479                     goto export_end;
 480                 }
 481             } else {
 482 #endif
 483                 BIO_printf(bio_err, "Password required\n");
 484                 goto export_end;
 485             }
 486         }
 487
 488         if (!twopass)
 489             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 490
 491         p12 = PKCS12_create(cpass, name, key, ucert, certs,
 492                             key_pbe, cert_pbe, iter, -1, keytype);
 493
 494         if (p12 == NULL) {
 495             ERR_print_errors(bio_err);
 496             goto export_end;
 497         }
 498
 499         if (macalg) {
 500             if (!opt_md(macalg, &macmd))
 501                 goto opthelp;
 502         }
 503
 504         if (maciter != -1)
 505             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 506
 507         assert(private);
 508
 509         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 510         if (out == NULL)
 511             goto end;
 512
 513         i2d_PKCS12_bio(out, p12);
 514
 515         ret = 0;
 516
 517  export_end:
 518
 519         EVP_PKEY_free(key);
 520         sk_X509_pop_free(certs, X509_free);
 521         X509_free(ucert);
 522
 523         goto end;
 524
 525     }
 526
 527     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 528     if (in == NULL)
 529         goto end;
 530     out = bio_open_owner(outfile, FORMAT_PEM, private);
 531     if (out == NULL)
 532         goto end;
 533
 534     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 535         ERR_print_errors(bio_err);
 536         goto end;
 537     }
 538
 539     if (!noprompt) {
 540         if (1) {
 541 #ifndef OPENSSL_NO_UI_CONSOLE
 542             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 543                                    0)) {
 544                 BIO_printf(bio_err, "Can't read Password\n");
 545                 goto end;
 546             }
 547         } else {
 548 #endif
 549             BIO_printf(bio_err, "Password required\n");
 550             goto end;
 551         }
 552     }
 553
 554     if (!twopass)
 555         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 556
 557     if ((options & INFO) && PKCS12_mac_present(p12)) {
 558         const ASN1_INTEGER *tmaciter;
 559         const X509_ALGOR *macalgid;
 560         const ASN1_OBJECT *macobj;
 561         const ASN1_OCTET_STRING *tmac;
 562         const ASN1_OCTET_STRING *tsalt;
 563
 564         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 565         /* current hash algorithms do not use parameters so extract just name,
 566            in future alg_print() may be needed */
 567         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 568         BIO_puts(bio_err, "MAC: ");
 569         i2a_ASN1_OBJECT(bio_err, macobj);
 570         BIO_printf(bio_err, ", Iteration %ld\n",
 571                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 572         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 573                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 574                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 575     }
 576     if (macver) {
 577         /* If we enter empty password try no password first */
 578         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 579             /* If mac and crypto pass the same set it to NULL too */
 580             if (!twopass)
 581                 cpass = NULL;
 582         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 583             /*
 584              * May be UTF8 from previous version of OpenSSL:
 585              * convert to a UTF8 form which will translate
 586              * to the same Unicode password.
 587              */
 588             unsigned char *utmp;
 589             int utmplen;
 590             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 591             if (utmp == NULL)
 592                 goto end;
 593             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 594             OPENSSL_free(utmp);
 595             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 596                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 597                 ERR_print_errors(bio_err);
 598                 goto end;
 599             } else {
 600                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 601                 if (!twopass)
 602                     cpass = badpass;
 603             }
 604         }
 605     }
 606
 607     assert(private);
 608     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 609         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 610         ERR_print_errors(bio_err);
 611         goto end;
 612     }
 613     ret = 0;
 614  end:
 615     PKCS12_free(p12);
 616     release_engine(e);
 617     BIO_free(in);
 618     BIO_free_all(out);
 619     sk_OPENSSL_STRING_free(canames);
 620     OPENSSL_free(badpass);
 621     OPENSSL_free(passin);
 622     OPENSSL_free(passout);
 623     return ret;
 624 }
 625
 626 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 627                         int passlen, int options, char *pempass,
 628                         const EVP_CIPHER *enc)
 629 {
 630     STACK_OF(PKCS7) *asafes = NULL;
 631     STACK_OF(PKCS12_SAFEBAG) *bags;
 632     int i, bagnid;
 633     int ret = 0;
 634     PKCS7 *p7;
 635
 636     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 637         return 0;
 638     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 639         p7 = sk_PKCS7_value(asafes, i);
 640         bagnid = OBJ_obj2nid(p7->type);
 641         if (bagnid == NID_pkcs7_data) {
 642             bags = PKCS12_unpack_p7data(p7);
 643             if (options & INFO)
 644                 BIO_printf(bio_err, "PKCS7 Data\n");
 645         } else if (bagnid == NID_pkcs7_encrypted) {
 646             if (options & INFO) {
 647                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 648                 alg_print(p7->d.encrypted->enc_data->algorithm);
 649             }
 650             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 651         } else {
 652             continue;
 653         }
 654         if (!bags)
 655             goto err;
 656         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 657                                    options, pempass, enc)) {
 658             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 659             goto err;
 660         }
 661         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 662         bags = NULL;
 663     }
 664     ret = 1;
 665
 666  err:
 667     sk_PKCS7_pop_free(asafes, PKCS7_free);
 668     return ret;
 669 }
 670
 671 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 672                           const char *pass, int passlen, int options,
 673                           char *pempass, const EVP_CIPHER *enc)
 674 {
 675     int i;
 676     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 677         if (!dump_certs_pkeys_bag(out,
 678                                   sk_PKCS12_SAFEBAG_value(bags, i),
 679                                   pass, passlen, options, pempass, enc))
 680             return 0;
 681     }
 682     return 1;
 683 }
 684
 685 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 686                          const char *pass, int passlen, int options,
 687                          char *pempass, const EVP_CIPHER *enc)
 688 {
 689     EVP_PKEY *pkey;
 690     PKCS8_PRIV_KEY_INFO *p8;
 691     const PKCS8_PRIV_KEY_INFO *p8c;
 692     X509 *x509;
 693     const STACK_OF(X509_ATTRIBUTE) *attrs;
 694     int ret = 0;
 695
 696     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 697
 698     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 699     case NID_keyBag:
 700         if (options & INFO)
 701             BIO_printf(bio_err, "Key bag\n");
 702         if (options & NOKEYS)
 703             return 1;
 704         print_attribs(out, attrs, "Bag Attributes");
 705         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 706         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 707             return 0;
 708         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 709         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 710         EVP_PKEY_free(pkey);
 711         break;
 712
 713     case NID_pkcs8ShroudedKeyBag:
 714         if (options & INFO) {
 715             const X509_SIG *tp8;
 716             const X509_ALGOR *tp8alg;
 717
 718             BIO_printf(bio_err, "Shrouded Keybag: ");
 719             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 720             X509_SIG_get0(tp8, &tp8alg, NULL);
 721             alg_print(tp8alg);
 722         }
 723         if (options & NOKEYS)
 724             return 1;
 725         print_attribs(out, attrs, "Bag Attributes");
 726         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 727             return 0;
 728         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 729             PKCS8_PRIV_KEY_INFO_free(p8);
 730             return 0;
 731         }
 732         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 733         PKCS8_PRIV_KEY_INFO_free(p8);
 734         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 735         EVP_PKEY_free(pkey);
 736         break;
 737
 738     case NID_certBag:
 739         if (options & INFO)
 740             BIO_printf(bio_err, "Certificate bag\n");
 741         if (options & NOCERTS)
 742             return 1;
 743         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 744             if (options & CACERTS)
 745                 return 1;
 746         } else if (options & CLCERTS)
 747             return 1;
 748         print_attribs(out, attrs, "Bag Attributes");
 749         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 750             return 1;
 751         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 752             return 0;
 753         dump_cert_text(out, x509);
 754         ret = PEM_write_bio_X509(out, x509);
 755         X509_free(x509);
 756         break;
 757
 758     case NID_safeContentsBag:
 759         if (options & INFO)
 760             BIO_printf(bio_err, "Safe Contents bag\n");
 761         print_attribs(out, attrs, "Bag Attributes");
 762         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 763                                      pass, passlen, options, pempass, enc);
 764
 765     default:
 766         BIO_printf(bio_err, "Warning unsupported bag type: ");
 767         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 768         BIO_printf(bio_err, "\n");
 769         return 1;
 770     }
 771     return ret;
 772 }
 773
 774 /* Given a single certificate return a verified chain or NULL if error */
 775
 776 static int get_cert_chain(X509 *cert, X509_STORE *store,
 777                           STACK_OF(X509) **chain)
 778 {
 779     X509_STORE_CTX *store_ctx = NULL;
 780     STACK_OF(X509) *chn = NULL;
 781     int i = 0;
 782
 783     store_ctx = X509_STORE_CTX_new();
 784     if (store_ctx == NULL) {
 785         i =  X509_V_ERR_UNSPECIFIED;
 786         goto end;
 787     }
 788     if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
 789         i =  X509_V_ERR_UNSPECIFIED;
 790         goto end;
 791     }
 792
 793
 794     if (X509_verify_cert(store_ctx) > 0)
 795         chn = X509_STORE_CTX_get1_chain(store_ctx);
 796     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 797         i = X509_V_ERR_UNSPECIFIED;
 798
 799 end:
 800     X509_STORE_CTX_free(store_ctx);
 801     *chain = chn;
 802     return i;
 803 }
 804
 805 static int alg_print(const X509_ALGOR *alg)
 806 {
 807     int pbenid, aparamtype;
 808     const ASN1_OBJECT *aoid;
 809     const void *aparam;
 810     PBEPARAM *pbe = NULL;
 811
 812     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 813
 814     pbenid = OBJ_obj2nid(aoid);
 815
 816     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 817
 818     /*
 819      * If PBE algorithm is PBES2 decode algorithm parameters
 820      * for additional details.
 821      */
 822     if (pbenid == NID_pbes2) {
 823         PBE2PARAM *pbe2 = NULL;
 824         int encnid;
 825         if (aparamtype == V_ASN1_SEQUENCE)
 826             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 827         if (pbe2 == NULL) {
 828             BIO_puts(bio_err, ", <unsupported parameters>");
 829             goto done;
 830         }
 831         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
 832         pbenid = OBJ_obj2nid(aoid);
 833         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
 834         encnid = OBJ_obj2nid(aoid);
 835         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
 836                    OBJ_nid2sn(encnid));
 837         /* If KDF is PBKDF2 decode parameters */
 838         if (pbenid == NID_id_pbkdf2) {
 839             PBKDF2PARAM *kdf = NULL;
 840             int prfnid;
 841             if (aparamtype == V_ASN1_SEQUENCE)
 842                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
 843             if (kdf == NULL) {
 844                 BIO_puts(bio_err, ", <unsupported parameters>");
 845                 goto done;
 846             }
 847
 848             if (kdf->prf == NULL) {
 849                 prfnid = NID_hmacWithSHA1;
 850             } else {
 851                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
 852                 prfnid = OBJ_obj2nid(aoid);
 853             }
 854             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
 855                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
 856             PBKDF2PARAM_free(kdf);
 857 #ifndef OPENSSL_NO_SCRYPT
 858         } else if (pbenid == NID_id_scrypt) {
 859             SCRYPT_PARAMS *kdf = NULL;
 860
 861             if (aparamtype == V_ASN1_SEQUENCE)
 862                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
 863             if (kdf == NULL) {
 864                 BIO_puts(bio_err, ", <unsupported parameters>");
 865                 goto done;
 866             }
 867             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
 868                        "Block size(r): %ld, Parallelism(p): %ld",
 869                        ASN1_STRING_length(kdf->salt),
 870                        ASN1_INTEGER_get(kdf->costParameter),
 871                        ASN1_INTEGER_get(kdf->blockSize),
 872                        ASN1_INTEGER_get(kdf->parallelizationParameter));
 873             SCRYPT_PARAMS_free(kdf);
 874 #endif
 875         }
 876         PBE2PARAM_free(pbe2);
 877     } else {
 878         if (aparamtype == V_ASN1_SEQUENCE)
 879             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
 880         if (pbe == NULL) {
 881             BIO_puts(bio_err, ", <unsupported parameters>");
 882             goto done;
 883         }
 884         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
 885         PBEPARAM_free(pbe);
 886     }
 887  done:
 888     BIO_puts(bio_err, "\n");
 889     return 1;
 890 }
 891
 892 /* Load all certificates from a given file */
 893
 894 int cert_load(BIO *in, STACK_OF(X509) *sk)
 895 {
 896     int ret = 0;
 897     X509 *cert;
 898
 899     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
 900         ret = 1;
 901         if (!sk_X509_push(sk, cert))
 902             return 0;
 903     }
 904     if (ret)
 905         ERR_clear_error();
 906     return ret;
 907 }
 908
 909 /* Generalised x509 attribute value print */
 910
 911 void print_attribute(BIO *out, const ASN1_TYPE *av)
 912 {
 913     char *value;
 914
 915     switch (av->type) {
 916     case V_ASN1_BMPSTRING:
 917         value = OPENSSL_uni2asc(av->value.bmpstring->data,
 918                                 av->value.bmpstring->length);
 919         BIO_printf(out, "%s\n", value);
 920         OPENSSL_free(value);
 921         break;
 922
 923     case V_ASN1_OCTET_STRING:
 924         hex_prin(out, av->value.octet_string->data,
 925                  av->value.octet_string->length);
 926         BIO_printf(out, "\n");
 927         break;
 928
 929     case V_ASN1_BIT_STRING:
 930         hex_prin(out, av->value.bit_string->data,
 931                  av->value.bit_string->length);
 932         BIO_printf(out, "\n");
 933         break;
 934
 935     default:
 936         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
 937         break;
 938     }
 939 }
 940
 941 /* Generalised attribute print: handle PKCS#8 and bag attributes */
 942
 943 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
 944                   const char *name)
 945 {
 946     X509_ATTRIBUTE *attr;
 947     ASN1_TYPE *av;
 948     int i, j, attr_nid;
 949     if (!attrlst) {
 950         BIO_printf(out, "%s: <No Attributes>\n", name);
 951         return 1;
 952     }
 953     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
 954         BIO_printf(out, "%s: <Empty Attributes>\n", name);
 955         return 1;
 956     }
 957     BIO_printf(out, "%s\n", name);
 958     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
 959         ASN1_OBJECT *attr_obj;
 960         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
 961         attr_obj = X509_ATTRIBUTE_get0_object(attr);
 962         attr_nid = OBJ_obj2nid(attr_obj);
 963         BIO_printf(out, "    ");
 964         if (attr_nid == NID_undef) {
 965             i2a_ASN1_OBJECT(out, attr_obj);
 966             BIO_printf(out, ": ");
 967         } else {
 968             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
 969         }
 970
 971         if (X509_ATTRIBUTE_count(attr)) {
 972             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
 973             {
 974                 av = X509_ATTRIBUTE_get0_type(attr, j);
 975                 print_attribute(out, av);
 976             }
 977         } else {
 978             BIO_printf(out, "<No Values>\n");
 979         }
 980     }
 981     return 1;
 982 }
 983
 984 void hex_prin(BIO *out, unsigned char *buf, int len)
 985 {
 986     int i;
 987     for (i = 0; i < len; i++)
 988         BIO_printf(out, "%02X ", buf[i]);
 989 }
 990
 991 static int set_pbe(int *ppbe, const char *str)
 992 {
 993     if (!str)
 994         return 0;
 995     if (strcmp(str, "NONE") == 0) {
 996         *ppbe = -1;
 997         return 1;
 998     }
 999     *ppbe = OBJ_txt2nid(str);
1000     if (*ppbe == NID_undef) {
1001         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1002         return 0;
1003     }
1004     return 1;
1005 }
1006
1007 #endif