apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2020 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
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include "apps.h"
  16 #include "progs.h"
  17 #include <openssl/crypto.h>
  18 #include <openssl/err.h>
  19 #include <openssl/pem.h>
  20 #include <openssl/pkcs12.h>
  21 #include <openssl/provider.h>
  22
  23 DEFINE_STACK_OF(PKCS12_SAFEBAG)
  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) *untrusted_certs,
  35                           STACK_OF(X509) **chain);
  36 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
  37                         const char *pass, int passlen, int options,
  38                         char *pempass, const EVP_CIPHER *enc);
  39 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
  40                           const char *pass, int passlen, int options,
  41                           char *pempass, const EVP_CIPHER *enc);
  42 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
  43                          const char *pass, int passlen,
  44                          int options, char *pempass, const EVP_CIPHER *enc);
  45 void print_attribute(BIO *out, const ASN1_TYPE *av);
  46 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
  47                   const char *name);
  48 void hex_prin(BIO *out, unsigned char *buf, int len);
  49 static int alg_print(const X509_ALGOR *alg);
  50 int cert_load(BIO *in, STACK_OF(X509) *sk);
  51 static int set_pbe(int *ppbe, const char *str);
  52
  53 typedef enum OPTION_choice {
  54     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  55     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  56     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  57     OPT_DESCERT, OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  58     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  59     OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
  60     OPT_NAME, OPT_CSP, OPT_CANAME,
  61     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  62     OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
  63     OPT_R_ENUM, OPT_PROV_ENUM, OPT_LEGACY_ALG
  64 } OPTION_CHOICE;
  65
  66 const OPTIONS pkcs12_options[] = {
  67     OPT_SECTION("General"),
  68     {"help", OPT_HELP, '-', "Display this summary"},
  69     {"legacy", OPT_LEGACY_ALG, '-', "use legacy algorithms"},
  70 #ifndef OPENSSL_NO_ENGINE
  71     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  72 #endif
  73
  74     OPT_SECTION("CA input for export with the -chain option"),
  75     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
  76     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
  77     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
  78     {"no-CAfile", OPT_NOCAFILE, '-',
  79      "Do not load the default certificates file"},
  80     {"no-CApath", OPT_NOCAPATH, '-',
  81      "Do not load certificates from the default certificates directory"},
  82     {"no-CAstore", OPT_NOCASTORE, '-',
  83      "Do not load certificates from the default certificates store"},
  84
  85     OPT_SECTION("Input"),
  86     {"in", OPT_IN, '<', "Input file for PKCS12 parsing or certs and possibly key"},
  87     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
  88     {"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
  89     {"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
  90     {"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
  91     {"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
  92     {"name", OPT_NAME, 's', "Use name as friendly name"},
  93     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
  94     {"caname", OPT_CANAME, 's',
  95      "Use name as CA friendly name (can be repeated)"},
  96
  97     OPT_SECTION("Output"),
  98     {"export", OPT_EXPORT, '-', "Output PKCS12 file"},
  99     {"LMK", OPT_LMK, '-',
 100      "Add local machine keyset attribute to private key"},
 101     {"macalg", OPT_MACALG, 's',
 102      "Digest algorithm to use in MAC (default SHA1)"},
 103     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
 104     {"out", OPT_OUT, '>', "Output filename"},
 105     {"passout", OPT_PASSOUT, 's', "Output pass phrase source"},
 106     {"password", OPT_PASSWORD, 's', "Set import/export password source"},
 107     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
 108     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
 109     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
 110     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
 111     {"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
 112     {OPT_MORE_STR, 0, 0,
 113      "which is the 1st cert from -in matching the private key (if given)"},
 114     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
 115     {"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
 116     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
 117     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
 118     {"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
 119     {"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
 120
 121     OPT_SECTION("PKCS12 output encryption and MAC"),
 122 #ifndef OPENSSL_NO_RC2
 123     {"descert", OPT_DESCERT, '-',
 124      "Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
 125     {"certpbe", OPT_CERTPBE, 's',
 126      "Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
 127 #else
 128     {"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
 129     {"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
 130 #endif
 131     {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption key and MAC"},
 132     {"noiter", OPT_NOITER, '-', "Don't use encryption key iteration"},
 133     {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
 134     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
 135     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
 136     {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
 137     {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
 138     {"", OPT_CIPHER, '-', "Any supported cipher"},
 139
 140     OPT_R_OPTIONS,
 141     OPT_PROV_OPTIONS,
 142     {NULL}
 143 };
 144
 145 int pkcs12_main(int argc, char **argv)
 146 {
 147     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 148     char *untrusted = NULL;
 149     char *passcertsarg = NULL, *passcerts = NULL;
 150     char *name = NULL, *csp_name = NULL;
 151     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 152     int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0, use_legacy = 0;
 153     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 154     int cert_pbe = NID_aes_256_cbc;
 155     int key_pbe = NID_aes_256_cbc;
 156     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 157     int noprompt = 0;
 158     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 159     char *passin = NULL, *passout = NULL, *macalg = NULL;
 160     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 161     const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
 162     int noCApath = 0, noCAfile = 0, noCAstore = 0;
 163     ENGINE *e = NULL;
 164     BIO *in = NULL, *out = NULL;
 165     PKCS12 *p12 = NULL;
 166     STACK_OF(OPENSSL_STRING) *canames = NULL;
 167     const EVP_CIPHER *enc = EVP_aes_256_cbc();
 168     OPTION_CHOICE o;
 169
 170     prog = opt_init(argc, argv, pkcs12_options);
 171     while ((o = opt_next()) != OPT_EOF) {
 172         switch (o) {
 173         case OPT_EOF:
 174         case OPT_ERR:
 175  opthelp:
 176             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 177             goto end;
 178         case OPT_HELP:
 179             opt_help(pkcs12_options);
 180             ret = 0;
 181             goto end;
 182         case OPT_NOKEYS:
 183             options |= NOKEYS;
 184             break;
 185         case OPT_KEYEX:
 186             keytype = KEY_EX;
 187             break;
 188         case OPT_KEYSIG:
 189             keytype = KEY_SIG;
 190             break;
 191         case OPT_NOCERTS:
 192             options |= NOCERTS;
 193             break;
 194         case OPT_CLCERTS:
 195             options |= CLCERTS;
 196             break;
 197         case OPT_CACERTS:
 198             options |= CACERTS;
 199             break;
 200         case OPT_NOOUT:
 201             options |= (NOKEYS | NOCERTS);
 202             break;
 203         case OPT_INFO:
 204             options |= INFO;
 205             break;
 206         case OPT_CHAIN:
 207             chain = 1;
 208             break;
 209         case OPT_TWOPASS:
 210             twopass = 1;
 211             break;
 212         case OPT_NOMACVER:
 213             macver = 0;
 214             break;
 215         case OPT_DESCERT:
 216             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 217             break;
 218         case OPT_EXPORT:
 219             export_cert = 1;
 220             break;
 221         case OPT_CIPHER:
 222             if (!opt_cipher(opt_unknown(), &enc))
 223                 goto opthelp;
 224             break;
 225         case OPT_ITER:
 226             if (!opt_int(opt_arg(), &iter))
 227                 goto opthelp;
 228             maciter = iter;
 229             break;
 230         case OPT_NOITER:
 231             iter = 1;
 232             break;
 233         case OPT_MACITER:
 234             /* no-op */
 235             break;
 236         case OPT_NOMACITER:
 237             maciter = 1;
 238             break;
 239         case OPT_NOMAC:
 240             maciter = -1;
 241             break;
 242         case OPT_MACALG:
 243             macalg = opt_arg();
 244             break;
 245         case OPT_NODES:
 246         case OPT_NOENC:
 247             enc = NULL;
 248             break;
 249         case OPT_CERTPBE:
 250             if (!set_pbe(&cert_pbe, opt_arg()))
 251                 goto opthelp;
 252             break;
 253         case OPT_KEYPBE:
 254             if (!set_pbe(&key_pbe, opt_arg()))
 255                 goto opthelp;
 256             break;
 257         case OPT_R_CASES:
 258             if (!opt_rand(o))
 259                 goto end;
 260             break;
 261         case OPT_INKEY:
 262             keyname = opt_arg();
 263             break;
 264         case OPT_CERTFILE:
 265             certfile = opt_arg();
 266             break;
 267         case OPT_UNTRUSTED:
 268             untrusted = opt_arg();
 269             break;
 270         case OPT_PASSCERTS:
 271             passcertsarg = opt_arg();
 272             break;
 273         case OPT_NAME:
 274             name = opt_arg();
 275             break;
 276         case OPT_LMK:
 277             add_lmk = 1;
 278             break;
 279         case OPT_CSP:
 280             csp_name = opt_arg();
 281             break;
 282         case OPT_CANAME:
 283             if (canames == NULL
 284                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 285                 goto end;
 286             sk_OPENSSL_STRING_push(canames, opt_arg());
 287             break;
 288         case OPT_IN:
 289             infile = opt_arg();
 290             break;
 291         case OPT_OUT:
 292             outfile = opt_arg();
 293             break;
 294         case OPT_PASSIN:
 295             passinarg = opt_arg();
 296             break;
 297         case OPT_PASSOUT:
 298             passoutarg = opt_arg();
 299             break;
 300         case OPT_PASSWORD:
 301             passarg = opt_arg();
 302             break;
 303         case OPT_CAPATH:
 304             CApath = opt_arg();
 305             break;
 306         case OPT_CASTORE:
 307             CAstore = opt_arg();
 308             break;
 309         case OPT_CAFILE:
 310             CAfile = opt_arg();
 311             break;
 312         case OPT_NOCAPATH:
 313             noCApath = 1;
 314             break;
 315         case OPT_NOCASTORE:
 316             noCAstore = 1;
 317             break;
 318         case OPT_NOCAFILE:
 319             noCAfile = 1;
 320             break;
 321         case OPT_ENGINE:
 322             e = setup_engine(opt_arg(), 0);
 323             break;
 324         case OPT_LEGACY_ALG:
 325             use_legacy = 1;
 326             break;
 327         case OPT_PROV_CASES:
 328             if (!opt_provider(o))
 329                 goto end;
 330             break;
 331         }
 332     }
 333     argc = opt_num_rest();
 334
 335     if (!export_cert) {
 336         if (chain)
 337             BIO_printf(bio_err, "Warning: -chain option ignored without -export\n");
 338         if (certfile != NULL)
 339             BIO_printf(bio_err, "Warning: -certfile option ignored without -export\n");
 340         if (untrusted != NULL)
 341             BIO_printf(bio_err, "Warning: -untrusted option ignored without -export\n");
 342         if (passcertsarg != NULL)
 343             BIO_printf(bio_err,
 344                        "Warning: -passcerts option ignored without -export\n");
 345         if (CApath != NULL || noCApath)
 346             BIO_printf(bio_err, "Warning: -[no-]CApath option ignored without -export\n");
 347         if (CAfile != NULL || noCAfile)
 348             BIO_printf(bio_err, "Warning: -[no-]CAfile option ignored without -export\n");
 349         if (CAstore != NULL || noCAstore)
 350             BIO_printf(bio_err, "Warning: -[no-]CAstore option ignored without -export\n");
 351         if (add_lmk)
 352             BIO_printf(bio_err, "Warning: -LMK option ignored without -export\n");
 353         if (name != NULL)
 354             BIO_printf(bio_err, "Warning: -name option ignored without -export\n");
 355         if (csp_name != NULL)
 356             BIO_printf(bio_err, "Warning: -CSP option ignored without -export\n");
 357         if (canames != NULL)
 358             BIO_printf(bio_err, "Warning: -caname option ignored without -export\n");
 359         if (keyname != NULL)
 360             BIO_printf(bio_err, "Warning: -inkey option ignored without -export\n");
 361         if (keytype != 0)
 362             BIO_printf(bio_err, "Warning: -keyex and -keysig options ignored without -export\n");
 363         if (macalg != NULL)
 364             BIO_printf(bio_err, "Warning: -macalg option ignored without -export\n");
 365     }
 366     if (use_legacy) {
 367         /* load the legacy provider if not loaded already*/
 368         if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
 369             if (!app_provider_load(app_get0_libctx(), "legacy"))
 370                 goto end;
 371             /* load the default provider explicitly */
 372             if (!app_provider_load(app_get0_libctx(), "default"))
 373                 goto end;
 374         }
 375         if (cert_pbe != NID_pbe_WithSHA1And3_Key_TripleDES_CBC) {
 376             /* Restore default algorithms */
 377 #ifndef OPENSSL_NO_RC2
 378             cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 379 #else
 380             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 381 #endif
 382         }
 383
 384         key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 385         enc = EVP_des_ede3_cbc();
 386     }
 387
 388     if (argc != 0)
 389         goto opthelp;
 390
 391     private = 1;
 392
 393     if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
 394         BIO_printf(bio_err, "Error getting certificate file password\n");
 395         goto end;
 396     }
 397
 398     if (passarg != NULL) {
 399         if (export_cert)
 400             passoutarg = passarg;
 401         else
 402             passinarg = passarg;
 403     }
 404
 405     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 406         BIO_printf(bio_err, "Error getting passwords\n");
 407         goto end;
 408     }
 409
 410     if (cpass == NULL) {
 411         if (export_cert)
 412             cpass = passout;
 413         else
 414             cpass = passin;
 415     }
 416
 417     if (cpass != NULL) {
 418         mpass = cpass;
 419         noprompt = 1;
 420         if (twopass) {
 421             if (export_cert)
 422                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
 423             else
 424                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
 425             goto end;
 426         }
 427     } else {
 428         cpass = pass;
 429         mpass = macpass;
 430     }
 431
 432     if (twopass) {
 433         /* To avoid bit rot */
 434         if (1) {
 435 #ifndef OPENSSL_NO_UI_CONSOLE
 436             if (EVP_read_pw_string(
 437                 macpass, sizeof(macpass), "Enter MAC Password:", export_cert)) {
 438                 BIO_printf(bio_err, "Can't read Password\n");
 439                 goto end;
 440             }
 441         } else {
 442 #endif
 443             BIO_printf(bio_err, "Unsupported option -twopass\n");
 444             goto end;
 445         }
 446     }
 447
 448     if (export_cert) {
 449         EVP_PKEY *key = NULL;
 450         X509 *ee_cert = NULL, *x = NULL;
 451         STACK_OF(X509) *certs = NULL;
 452         STACK_OF(X509) *untrusted_certs = NULL;
 453         const EVP_MD *macmd = NULL;
 454         unsigned char *catmp = NULL;
 455         int i;
 456
 457         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 458             BIO_printf(bio_err, "Nothing to export due to -nocerts and -nokeys or -noout!\n");
 459             goto export_end;
 460         }
 461
 462         if ((options & NOCERTS) != 0) {
 463             chain = 0;
 464             BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
 465         }
 466
 467         if (!(options & NOKEYS)) {
 468             key = load_key(keyname ? keyname : infile,
 469                            FORMAT_PEM, 1, passin, e,
 470                            keyname ?
 471                            "private key from -inkey file" :
 472                            "private key from -in file");
 473             if (key == NULL)
 474                 goto export_end;
 475         }
 476
 477         /* Load all certs in input file */
 478         if (!(options & NOCERTS)) {
 479             if (!load_certs(infile, &certs, passin,
 480                             "certificates from -in file"))
 481                 goto export_end;
 482             if (sk_X509_num(certs) < 1) {
 483                 BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
 484                 goto export_end;
 485             }
 486
 487             if (key != NULL) {
 488                 /* Look for matching private key */
 489                 for (i = 0; i < sk_X509_num(certs); i++) {
 490                     x = sk_X509_value(certs, i);
 491                     if (X509_check_private_key(x, key)) {
 492                         ee_cert = x;
 493                         /* Zero keyid and alias */
 494                         X509_keyid_set1(ee_cert, NULL, 0);
 495                         X509_alias_set1(ee_cert, NULL, 0);
 496                         /* Remove from list */
 497                         (void)sk_X509_delete(certs, i);
 498                         break;
 499                     }
 500                 }
 501                 if (ee_cert == NULL) {
 502                     BIO_printf(bio_err,
 503                                "No cert in -in file '%s' matches private key\n",
 504                                infile);
 505                     goto export_end;
 506                 }
 507             } else {
 508                 ee_cert = X509_dup(sk_X509_value(certs, 0)); /* take 1st cert */
 509             }
 510         }
 511
 512         /* Load any untrusted certificates for chain building */
 513         if (untrusted != NULL) {
 514             if (!load_certs(untrusted, &untrusted_certs, passcerts,
 515                             "untrusted certificates"))
 516                 goto export_end;
 517         }
 518
 519         /* If chaining get chain from end entity cert */
 520         if (chain) {
 521             int vret;
 522             STACK_OF(X509) *chain2;
 523             X509_STORE *store;
 524
 525             if (ee_cert == NULL) {
 526                 BIO_printf(bio_err,
 527                            "No end entity certificate to check with -chain\n");
 528                 goto export_end;
 529             }
 530
 531             if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
 532                                       CAstore, noCAstore))
 533                     == NULL)
 534                 goto export_end;
 535
 536             vret = get_cert_chain(ee_cert, store, untrusted_certs, &chain2);
 537             X509_STORE_free(store);
 538
 539             if (vret == X509_V_OK) {
 540                 int add_certs;
 541                 /* Remove from chain2 the first (end entity) certificate */
 542                 X509_free(sk_X509_shift(chain2));
 543                 /* Add the remaining certs (except for duplicates) */
 544                 add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
 545                                            | X509_ADD_FLAG_NO_DUP);
 546                 sk_X509_pop_free(chain2, X509_free);
 547                 if (!add_certs)
 548                     goto export_end;
 549             } else {
 550                 if (vret != X509_V_ERR_UNSPECIFIED)
 551                     BIO_printf(bio_err, "Error getting chain: %s\n",
 552                                X509_verify_cert_error_string(vret));
 553                 goto export_end;
 554             }
 555         }
 556
 557         /* Add any extra certificates asked for */
 558         if (certfile != NULL) {
 559             if (!load_certs(certfile, &certs, passcerts,
 560                             "extra certificates from -certfile"))
 561                 goto export_end;
 562         }
 563
 564         /* Add any CA names */
 565         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 566             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 567             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 568         }
 569
 570         if (csp_name != NULL && key != NULL)
 571             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 572                                       MBSTRING_ASC, (unsigned char *)csp_name,
 573                                       -1);
 574
 575         if (add_lmk && key != NULL)
 576             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 577
 578         if (!noprompt) {
 579             /* To avoid bit rot */
 580             if (1) {
 581 #ifndef OPENSSL_NO_UI_CONSOLE
 582                 if (EVP_read_pw_string(pass, sizeof(pass),
 583                                        "Enter Export Password:", 1)) {
 584                     BIO_printf(bio_err, "Can't read Password\n");
 585                     goto export_end;
 586                 }
 587             } else {
 588 #endif
 589                 BIO_printf(bio_err, "Password required\n");
 590                 goto export_end;
 591             }
 592         }
 593
 594         if (!twopass)
 595             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 596
 597         p12 = PKCS12_create(cpass, name, key, ee_cert, certs,
 598                             key_pbe, cert_pbe, iter, -1, keytype);
 599
 600         if (p12 == NULL) {
 601             ERR_print_errors(bio_err);
 602             goto export_end;
 603         }
 604
 605         if (macalg != NULL) {
 606             if (!opt_md(macalg, &macmd))
 607                 goto opthelp;
 608         }
 609
 610         if (maciter != -1)
 611             PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
 612
 613         assert(private);
 614
 615         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 616         if (out == NULL)
 617             goto end;
 618
 619         i2d_PKCS12_bio(out, p12);
 620
 621         ret = 0;
 622
 623  export_end:
 624
 625         EVP_PKEY_free(key);
 626         sk_X509_pop_free(certs, X509_free);
 627         sk_X509_pop_free(untrusted_certs, X509_free);
 628         X509_free(ee_cert);
 629
 630         goto end;
 631
 632     }
 633
 634     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 635     if (in == NULL)
 636         goto end;
 637     out = bio_open_owner(outfile, FORMAT_PEM, private);
 638     if (out == NULL)
 639         goto end;
 640
 641     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 642         ERR_print_errors(bio_err);
 643         goto end;
 644     }
 645
 646     if (!noprompt) {
 647         if (1) {
 648 #ifndef OPENSSL_NO_UI_CONSOLE
 649             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 650                                    0)) {
 651                 BIO_printf(bio_err, "Can't read Password\n");
 652                 goto end;
 653             }
 654         } else {
 655 #endif
 656             BIO_printf(bio_err, "Password required\n");
 657             goto end;
 658         }
 659     }
 660
 661     if (!twopass)
 662         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 663
 664     if ((options & INFO) && PKCS12_mac_present(p12)) {
 665         const ASN1_INTEGER *tmaciter;
 666         const X509_ALGOR *macalgid;
 667         const ASN1_OBJECT *macobj;
 668         const ASN1_OCTET_STRING *tmac;
 669         const ASN1_OCTET_STRING *tsalt;
 670
 671         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 672         /* current hash algorithms do not use parameters so extract just name,
 673            in future alg_print() may be needed */
 674         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 675         BIO_puts(bio_err, "MAC: ");
 676         i2a_ASN1_OBJECT(bio_err, macobj);
 677         BIO_printf(bio_err, ", Iteration %ld\n",
 678                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 679         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 680                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 681                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 682     }
 683     if (macver) {
 684         /* If we enter empty password try no password first */
 685         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 686             /* If mac and crypto pass the same set it to NULL too */
 687             if (!twopass)
 688                 cpass = NULL;
 689         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 690             /*
 691              * May be UTF8 from previous version of OpenSSL:
 692              * convert to a UTF8 form which will translate
 693              * to the same Unicode password.
 694              */
 695             unsigned char *utmp;
 696             int utmplen;
 697             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 698             if (utmp == NULL)
 699                 goto end;
 700             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 701             OPENSSL_free(utmp);
 702             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 703                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 704                 ERR_print_errors(bio_err);
 705                 goto end;
 706             } else {
 707                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 708                 if (!twopass)
 709                     cpass = badpass;
 710             }
 711         }
 712     }
 713
 714     assert(private);
 715     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 716         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 717         ERR_print_errors(bio_err);
 718         goto end;
 719     }
 720     ret = 0;
 721  end:
 722     PKCS12_free(p12);
 723     release_engine(e);
 724     BIO_free(in);
 725     BIO_free_all(out);
 726     sk_OPENSSL_STRING_free(canames);
 727     OPENSSL_free(badpass);
 728     OPENSSL_free(passcerts);
 729     OPENSSL_free(passin);
 730     OPENSSL_free(passout);
 731     return ret;
 732 }
 733
 734 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 735                         int passlen, int options, char *pempass,
 736                         const EVP_CIPHER *enc)
 737 {
 738     STACK_OF(PKCS7) *asafes = NULL;
 739     STACK_OF(PKCS12_SAFEBAG) *bags;
 740     int i, bagnid;
 741     int ret = 0;
 742     PKCS7 *p7;
 743
 744     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 745         return 0;
 746     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 747         p7 = sk_PKCS7_value(asafes, i);
 748         bagnid = OBJ_obj2nid(p7->type);
 749         if (bagnid == NID_pkcs7_data) {
 750             bags = PKCS12_unpack_p7data(p7);
 751             if (options & INFO)
 752                 BIO_printf(bio_err, "PKCS7 Data\n");
 753         } else if (bagnid == NID_pkcs7_encrypted) {
 754             if (options & INFO) {
 755                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 756                 alg_print(p7->d.encrypted->enc_data->algorithm);
 757             }
 758             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 759         } else {
 760             continue;
 761         }
 762         if (!bags)
 763             goto err;
 764         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 765                                    options, pempass, enc)) {
 766             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 767             goto err;
 768         }
 769         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 770         bags = NULL;
 771     }
 772     ret = 1;
 773
 774  err:
 775     sk_PKCS7_pop_free(asafes, PKCS7_free);
 776     return ret;
 777 }
 778
 779 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 780                           const char *pass, int passlen, int options,
 781                           char *pempass, const EVP_CIPHER *enc)
 782 {
 783     int i;
 784     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 785         if (!dump_certs_pkeys_bag(out,
 786                                   sk_PKCS12_SAFEBAG_value(bags, i),
 787                                   pass, passlen, options, pempass, enc))
 788             return 0;
 789     }
 790     return 1;
 791 }
 792
 793 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 794                          const char *pass, int passlen, int options,
 795                          char *pempass, const EVP_CIPHER *enc)
 796 {
 797     EVP_PKEY *pkey;
 798     PKCS8_PRIV_KEY_INFO *p8;
 799     const PKCS8_PRIV_KEY_INFO *p8c;
 800     X509 *x509;
 801     const STACK_OF(X509_ATTRIBUTE) *attrs;
 802     int ret = 0;
 803
 804     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 805
 806     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 807     case NID_keyBag:
 808         if (options & INFO)
 809             BIO_printf(bio_err, "Key bag\n");
 810         if (options & NOKEYS)
 811             return 1;
 812         print_attribs(out, attrs, "Bag Attributes");
 813         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 814         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 815             return 0;
 816         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 817         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 818         EVP_PKEY_free(pkey);
 819         break;
 820
 821     case NID_pkcs8ShroudedKeyBag:
 822         if (options & INFO) {
 823             const X509_SIG *tp8;
 824             const X509_ALGOR *tp8alg;
 825
 826             BIO_printf(bio_err, "Shrouded Keybag: ");
 827             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 828             X509_SIG_get0(tp8, &tp8alg, NULL);
 829             alg_print(tp8alg);
 830         }
 831         if (options & NOKEYS)
 832             return 1;
 833         print_attribs(out, attrs, "Bag Attributes");
 834         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 835             return 0;
 836         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 837             PKCS8_PRIV_KEY_INFO_free(p8);
 838             return 0;
 839         }
 840         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 841         PKCS8_PRIV_KEY_INFO_free(p8);
 842         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 843         EVP_PKEY_free(pkey);
 844         break;
 845
 846     case NID_certBag:
 847         if (options & INFO)
 848             BIO_printf(bio_err, "Certificate bag\n");
 849         if (options & NOCERTS)
 850             return 1;
 851         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 852             if (options & CACERTS)
 853                 return 1;
 854         } else if (options & CLCERTS)
 855             return 1;
 856         print_attribs(out, attrs, "Bag Attributes");
 857         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 858             return 1;
 859         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 860             return 0;
 861         dump_cert_text(out, x509);
 862         ret = PEM_write_bio_X509(out, x509);
 863         X509_free(x509);
 864         break;
 865
 866     case NID_secretBag:
 867         if (options & INFO)
 868             BIO_printf(bio_err, "Secret bag\n");
 869         print_attribs(out, attrs, "Bag Attributes");
 870         BIO_printf(bio_err, "Bag Type: ");
 871         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
 872         BIO_printf(bio_err, "\nBag Value: ");
 873         print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
 874         return 1;
 875
 876     case NID_safeContentsBag:
 877         if (options & INFO)
 878             BIO_printf(bio_err, "Safe Contents bag\n");
 879         print_attribs(out, attrs, "Bag Attributes");
 880         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 881                                      pass, passlen, options, pempass, enc);
 882
 883     default:
 884         BIO_printf(bio_err, "Warning unsupported bag type: ");
 885         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 886         BIO_printf(bio_err, "\n");
 887         return 1;
 888     }
 889     return ret;
 890 }
 891
 892 /* Given a single certificate return a verified chain or NULL if error */
 893
 894 static int get_cert_chain(X509 *cert, X509_STORE *store,
 895                           STACK_OF(X509) *untrusted_certs,
 896                           STACK_OF(X509) **chain)
 897 {
 898     X509_STORE_CTX *store_ctx = NULL;
 899     STACK_OF(X509) *chn = NULL;
 900     int i = 0;
 901
 902     store_ctx = X509_STORE_CTX_new_with_libctx(app_get0_libctx(),
 903                                                app_get0_propq());
 904     if (store_ctx == NULL) {
 905         i =  X509_V_ERR_UNSPECIFIED;
 906         goto end;
 907     }
 908     if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
 909         i =  X509_V_ERR_UNSPECIFIED;
 910         goto end;
 911     }
 912
 913
 914     if (X509_verify_cert(store_ctx) > 0)
 915         chn = X509_STORE_CTX_get1_chain(store_ctx);
 916     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 917         i = X509_V_ERR_UNSPECIFIED;
 918
 919 end:
 920     X509_STORE_CTX_free(store_ctx);
 921     *chain = chn;
 922     return i;
 923 }
 924
 925 static int alg_print(const X509_ALGOR *alg)
 926 {
 927     int pbenid, aparamtype;
 928     const ASN1_OBJECT *aoid;
 929     const void *aparam;
 930     PBEPARAM *pbe = NULL;
 931
 932     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 933
 934     pbenid = OBJ_obj2nid(aoid);
 935
 936     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 937
 938     /*
 939      * If PBE algorithm is PBES2 decode algorithm parameters
 940      * for additional details.
 941      */
 942     if (pbenid == NID_pbes2) {
 943         PBE2PARAM *pbe2 = NULL;
 944         int encnid;
 945         if (aparamtype == V_ASN1_SEQUENCE)
 946             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 947         if (pbe2 == NULL) {
 948             BIO_puts(bio_err, ", <unsupported parameters>");
 949             goto done;
 950         }
 951         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
 952         pbenid = OBJ_obj2nid(aoid);
 953         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
 954         encnid = OBJ_obj2nid(aoid);
 955         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
 956                    OBJ_nid2sn(encnid));
 957         /* If KDF is PBKDF2 decode parameters */
 958         if (pbenid == NID_id_pbkdf2) {
 959             PBKDF2PARAM *kdf = NULL;
 960             int prfnid;
 961             if (aparamtype == V_ASN1_SEQUENCE)
 962                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
 963             if (kdf == NULL) {
 964                 BIO_puts(bio_err, ", <unsupported parameters>");
 965                 goto done;
 966             }
 967
 968             if (kdf->prf == NULL) {
 969                 prfnid = NID_hmacWithSHA1;
 970             } else {
 971                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
 972                 prfnid = OBJ_obj2nid(aoid);
 973             }
 974             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
 975                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
 976             PBKDF2PARAM_free(kdf);
 977 #ifndef OPENSSL_NO_SCRYPT
 978         } else if (pbenid == NID_id_scrypt) {
 979             SCRYPT_PARAMS *kdf = NULL;
 980
 981             if (aparamtype == V_ASN1_SEQUENCE)
 982                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
 983             if (kdf == NULL) {
 984                 BIO_puts(bio_err, ", <unsupported parameters>");
 985                 goto done;
 986             }
 987             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
 988                        "Block size(r): %ld, Parallelism(p): %ld",
 989                        ASN1_STRING_length(kdf->salt),
 990                        ASN1_INTEGER_get(kdf->costParameter),
 991                        ASN1_INTEGER_get(kdf->blockSize),
 992                        ASN1_INTEGER_get(kdf->parallelizationParameter));
 993             SCRYPT_PARAMS_free(kdf);
 994 #endif
 995         }
 996         PBE2PARAM_free(pbe2);
 997     } else {
 998         if (aparamtype == V_ASN1_SEQUENCE)
 999             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
1000         if (pbe == NULL) {
1001             BIO_puts(bio_err, ", <unsupported parameters>");
1002             goto done;
1003         }
1004         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
1005         PBEPARAM_free(pbe);
1006     }
1007  done:
1008     BIO_puts(bio_err, "\n");
1009     return 1;
1010 }
1011
1012 /* Load all certificates from a given file */
1013
1014 int cert_load(BIO *in, STACK_OF(X509) *sk)
1015 {
1016     int ret = 0;
1017     X509 *cert;
1018
1019     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
1020         ret = 1;
1021         if (!sk_X509_push(sk, cert))
1022             return 0;
1023     }
1024     if (ret)
1025         ERR_clear_error();
1026     return ret;
1027 }
1028
1029 /* Generalised x509 attribute value print */
1030
1031 void print_attribute(BIO *out, const ASN1_TYPE *av)
1032 {
1033     char *value;
1034
1035     switch (av->type) {
1036     case V_ASN1_BMPSTRING:
1037         value = OPENSSL_uni2asc(av->value.bmpstring->data,
1038                                 av->value.bmpstring->length);
1039         BIO_printf(out, "%s\n", value);
1040         OPENSSL_free(value);
1041         break;
1042
1043     case V_ASN1_UTF8STRING:
1044         BIO_printf(out, "%s\n", av->value.utf8string->data);
1045         break;
1046
1047     case V_ASN1_OCTET_STRING:
1048         hex_prin(out, av->value.octet_string->data,
1049                  av->value.octet_string->length);
1050         BIO_printf(out, "\n");
1051         break;
1052
1053     case V_ASN1_BIT_STRING:
1054         hex_prin(out, av->value.bit_string->data,
1055                  av->value.bit_string->length);
1056         BIO_printf(out, "\n");
1057         break;
1058
1059     default:
1060         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
1061         break;
1062     }
1063 }
1064
1065 /* Generalised attribute print: handle PKCS#8 and bag attributes */
1066
1067 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
1068                   const char *name)
1069 {
1070     X509_ATTRIBUTE *attr;
1071     ASN1_TYPE *av;
1072     int i, j, attr_nid;
1073     if (!attrlst) {
1074         BIO_printf(out, "%s: <No Attributes>\n", name);
1075         return 1;
1076     }
1077     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
1078         BIO_printf(out, "%s: <Empty Attributes>\n", name);
1079         return 1;
1080     }
1081     BIO_printf(out, "%s\n", name);
1082     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
1083         ASN1_OBJECT *attr_obj;
1084         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
1085         attr_obj = X509_ATTRIBUTE_get0_object(attr);
1086         attr_nid = OBJ_obj2nid(attr_obj);
1087         BIO_printf(out, "    ");
1088         if (attr_nid == NID_undef) {
1089             i2a_ASN1_OBJECT(out, attr_obj);
1090             BIO_printf(out, ": ");
1091         } else {
1092             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
1093         }
1094
1095         if (X509_ATTRIBUTE_count(attr)) {
1096             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
1097             {
1098                 av = X509_ATTRIBUTE_get0_type(attr, j);
1099                 print_attribute(out, av);
1100             }
1101         } else {
1102             BIO_printf(out, "<No Values>\n");
1103         }
1104     }
1105     return 1;
1106 }
1107
1108 void hex_prin(BIO *out, unsigned char *buf, int len)
1109 {
1110     int i;
1111     for (i = 0; i < len; i++)
1112         BIO_printf(out, "%02X ", buf[i]);
1113 }
1114
1115 static int set_pbe(int *ppbe, const char *str)
1116 {
1117     if (!str)
1118         return 0;
1119     if (strcmp(str, "NONE") == 0) {
1120         *ppbe = -1;
1121         return 1;
1122     }
1123     *ppbe = OBJ_txt2nid(str);
1124     if (*ppbe == NID_undef) {
1125         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1126         return 0;
1127     }
1128     return 1;
1129 }