apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2021 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 #include <openssl/kdf.h>
  23
  24 #define NOKEYS          0x1
  25 #define NOCERTS         0x2
  26 #define INFO            0x4
  27 #define CLCERTS         0x8
  28 #define CACERTS         0x10
  29
  30 #define PASSWD_BUF_SIZE 2048
  31
  32 #define WARN_EXPORT(opt) \
  33     BIO_printf(bio_err, "Warning: -%s option ignored with -export\n", opt);
  34 #define WARN_NO_EXPORT(opt) \
  35     BIO_printf(bio_err, "Warning: -%s option ignored without -export\n", opt);
  36
  37 static int get_cert_chain(X509 *cert, X509_STORE *store,
  38                           STACK_OF(X509) *untrusted_certs,
  39                           STACK_OF(X509) **chain);
  40 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
  41                         const char *pass, int passlen, int options,
  42                         char *pempass, const EVP_CIPHER *enc);
  43 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
  44                           const char *pass, int passlen, int options,
  45                           char *pempass, const EVP_CIPHER *enc);
  46 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
  47                          const char *pass, int passlen,
  48                          int options, char *pempass, const EVP_CIPHER *enc);
  49 void print_attribute(BIO *out, const ASN1_TYPE *av);
  50 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
  51                   const char *name);
  52 void hex_prin(BIO *out, unsigned char *buf, int len);
  53 static int alg_print(const X509_ALGOR *alg);
  54 int cert_load(BIO *in, STACK_OF(X509) *sk);
  55 static int set_pbe(int *ppbe, const char *str);
  56
  57 typedef enum OPTION_choice {
  58     OPT_COMMON,
  59     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
  60     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
  61 #ifndef OPENSSL_NO_DES
  62     OPT_DESCERT,
  63 #endif
  64     OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  65     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  66     OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
  67     OPT_NAME, OPT_CSP, OPT_CANAME,
  68     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  69     OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
  70     OPT_R_ENUM, OPT_PROV_ENUM,
  71 #ifndef OPENSSL_NO_DES
  72     OPT_LEGACY_ALG
  73 #endif
  74 } OPTION_CHOICE;
  75
  76 const OPTIONS pkcs12_options[] = {
  77     OPT_SECTION("General"),
  78     {"help", OPT_HELP, '-', "Display this summary"},
  79     {"in", OPT_IN, '<', "Input file"},
  80     {"out", OPT_OUT, '>', "Output file"},
  81     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
  82     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
  83     {"password", OPT_PASSWORD, 's', "Set PKCS#12 import/export password source"},
  84     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
  85     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
  86     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
  87     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
  88 #ifndef OPENSSL_NO_DES
  89     {"legacy", OPT_LEGACY_ALG, '-',
  90 # ifdef OPENSSL_NO_RC2
  91      "Use legacy encryption algorithm 3DES_CBC for keys and certs"
  92 # else
  93      "Use legacy encryption: 3DES_CBC for keys, RC2_CBC for certs"
  94 # endif
  95     },
  96 #endif
  97 #ifndef OPENSSL_NO_ENGINE
  98     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  99 #endif
 100     OPT_PROV_OPTIONS,
 101     OPT_R_OPTIONS,
 102
 103     OPT_SECTION("PKCS#12 import (parsing PKCS#12)"),
 104     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
 105     {"nomacver", OPT_NOMACVER, '-', "Don't verify integrity MAC"},
 106     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
 107     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
 108     {"", OPT_CIPHER, '-', "Any supported cipher for output encryption"},
 109     {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
 110     {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
 111
 112     OPT_SECTION("PKCS#12 output (export)"),
 113     {"export", OPT_EXPORT, '-', "Create PKCS12 file"},
 114     {"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
 115     {"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
 116     {"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
 117     {"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
 118     {OPT_MORE_STR, 0, 0,
 119      "which is the 1st cert from -in matching the private key (if given)"},
 120     {"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
 121     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 122     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 123     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
 124     {"no-CAfile", OPT_NOCAFILE, '-',
 125      "Do not load the default certificates file"},
 126     {"no-CApath", OPT_NOCAPATH, '-',
 127      "Do not load certificates from the default certificates directory"},
 128     {"no-CAstore", OPT_NOCASTORE, '-',
 129      "Do not load certificates from the default certificates store"},
 130     {"name", OPT_NAME, 's', "Use name as friendly name"},
 131     {"caname", OPT_CANAME, 's',
 132      "Use name as CA friendly name (can be repeated)"},
 133     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
 134     {"LMK", OPT_LMK, '-',
 135      "Add local machine keyset attribute to private key"},
 136     {"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
 137     {"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
 138     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default AES-256 CBC)"},
 139     {"certpbe", OPT_CERTPBE, 's',
 140      "Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
 141 #ifndef OPENSSL_NO_DES
 142     {"descert", OPT_DESCERT, '-',
 143      "Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
 144 #endif
 145     {"macalg", OPT_MACALG, 's',
 146      "Digest algorithm to use in MAC (default SHA1)"},
 147     {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption and MAC"},
 148     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
 149     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration)"},
 150     {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
 151     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
 152     {NULL}
 153 };
 154
 155 int pkcs12_main(int argc, char **argv)
 156 {
 157     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 158     char *untrusted = NULL, *ciphername = NULL, *enc_flag = NULL;
 159     char *passcertsarg = NULL, *passcerts = NULL;
 160     char *name = NULL, *csp_name = NULL;
 161     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 162     int export_pkcs12 = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
 163 #ifndef OPENSSL_NO_DES
 164     int use_legacy = 0;
 165 #endif
 166     /* use library defaults for the iter, maciter, cert, and key PBE */
 167     int iter = 0, maciter = 0;
 168     int cert_pbe = NID_undef;
 169     int key_pbe = NID_undef;
 170     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 171     int noprompt = 0;
 172     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 173     char *passin = NULL, *passout = NULL, *macalg = NULL;
 174     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 175     const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
 176     int noCApath = 0, noCAfile = 0, noCAstore = 0;
 177     ENGINE *e = NULL;
 178     BIO *in = NULL, *out = NULL;
 179     PKCS12 *p12 = NULL;
 180     STACK_OF(OPENSSL_STRING) *canames = NULL;
 181     EVP_CIPHER *default_enc = (EVP_CIPHER *)EVP_aes_256_cbc();
 182     EVP_CIPHER *enc = (EVP_CIPHER *)default_enc;
 183     OPTION_CHOICE o;
 184
 185     prog = opt_init(argc, argv, pkcs12_options);
 186     while ((o = opt_next()) != OPT_EOF) {
 187         switch (o) {
 188         case OPT_EOF:
 189         case OPT_ERR:
 190  opthelp:
 191             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 192             goto end;
 193         case OPT_HELP:
 194             opt_help(pkcs12_options);
 195             ret = 0;
 196             goto end;
 197         case OPT_NOKEYS:
 198             options |= NOKEYS;
 199             break;
 200         case OPT_KEYEX:
 201             keytype = KEY_EX;
 202             break;
 203         case OPT_KEYSIG:
 204             keytype = KEY_SIG;
 205             break;
 206         case OPT_NOCERTS:
 207             options |= NOCERTS;
 208             break;
 209         case OPT_CLCERTS:
 210             options |= CLCERTS;
 211             break;
 212         case OPT_CACERTS:
 213             options |= CACERTS;
 214             break;
 215         case OPT_NOOUT:
 216             options |= (NOKEYS | NOCERTS);
 217             break;
 218         case OPT_INFO:
 219             options |= INFO;
 220             break;
 221         case OPT_CHAIN:
 222             chain = 1;
 223             break;
 224         case OPT_TWOPASS:
 225             twopass = 1;
 226             break;
 227         case OPT_NOMACVER:
 228             macver = 0;
 229             break;
 230 #ifndef OPENSSL_NO_DES
 231         case OPT_DESCERT:
 232             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 233             break;
 234 #endif
 235         case OPT_EXPORT:
 236             export_pkcs12 = 1;
 237             break;
 238         case OPT_NODES:
 239         case OPT_NOENC:
 240             /*
 241              * |enc_flag| stores the name of the option used so it
 242              * can be printed if an error message is output.
 243              */
 244             enc_flag = opt_flag() + 1;
 245             enc = NULL;
 246             ciphername = NULL;
 247             break;
 248         case OPT_CIPHER:
 249             ciphername = opt_unknown();
 250             enc_flag = opt_unknown();
 251             break;
 252         case OPT_ITER:
 253             maciter = iter = opt_int_arg();
 254             break;
 255         case OPT_NOITER:
 256             iter = 1;
 257             break;
 258         case OPT_MACITER:
 259             /* no-op */
 260             break;
 261         case OPT_NOMACITER:
 262             maciter = 1;
 263             break;
 264         case OPT_NOMAC:
 265             cert_pbe = -1;
 266             maciter = -1;
 267             break;
 268         case OPT_MACALG:
 269             macalg = opt_arg();
 270             break;
 271         case OPT_CERTPBE:
 272             if (!set_pbe(&cert_pbe, opt_arg()))
 273                 goto opthelp;
 274             break;
 275         case OPT_KEYPBE:
 276             if (!set_pbe(&key_pbe, opt_arg()))
 277                 goto opthelp;
 278             break;
 279         case OPT_R_CASES:
 280             if (!opt_rand(o))
 281                 goto end;
 282             break;
 283         case OPT_INKEY:
 284             keyname = opt_arg();
 285             break;
 286         case OPT_CERTFILE:
 287             certfile = opt_arg();
 288             break;
 289         case OPT_UNTRUSTED:
 290             untrusted = opt_arg();
 291             break;
 292         case OPT_PASSCERTS:
 293             passcertsarg = opt_arg();
 294             break;
 295         case OPT_NAME:
 296             name = opt_arg();
 297             break;
 298         case OPT_LMK:
 299             add_lmk = 1;
 300             break;
 301         case OPT_CSP:
 302             csp_name = opt_arg();
 303             break;
 304         case OPT_CANAME:
 305             if (canames == NULL
 306                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 307                 goto end;
 308             sk_OPENSSL_STRING_push(canames, opt_arg());
 309             break;
 310         case OPT_IN:
 311             infile = opt_arg();
 312             break;
 313         case OPT_OUT:
 314             outfile = opt_arg();
 315             break;
 316         case OPT_PASSIN:
 317             passinarg = opt_arg();
 318             break;
 319         case OPT_PASSOUT:
 320             passoutarg = opt_arg();
 321             break;
 322         case OPT_PASSWORD:
 323             passarg = opt_arg();
 324             break;
 325         case OPT_CAPATH:
 326             CApath = opt_arg();
 327             break;
 328         case OPT_CASTORE:
 329             CAstore = opt_arg();
 330             break;
 331         case OPT_CAFILE:
 332             CAfile = opt_arg();
 333             break;
 334         case OPT_NOCAPATH:
 335             noCApath = 1;
 336             break;
 337         case OPT_NOCASTORE:
 338             noCAstore = 1;
 339             break;
 340         case OPT_NOCAFILE:
 341             noCAfile = 1;
 342             break;
 343         case OPT_ENGINE:
 344             e = setup_engine(opt_arg(), 0);
 345             break;
 346 #ifndef OPENSSL_NO_DES
 347         case OPT_LEGACY_ALG:
 348             use_legacy = 1;
 349             break;
 350 #endif
 351         case OPT_PROV_CASES:
 352             if (!opt_provider(o))
 353                 goto end;
 354             break;
 355         }
 356     }
 357
 358     /* No extra arguments. */
 359     argc = opt_num_rest();
 360     if (argc != 0)
 361         goto opthelp;
 362
 363     if (!app_RAND_load())
 364         goto end;
 365
 366     if (ciphername != NULL) {
 367         if (!opt_cipher(ciphername, &enc))
 368             goto opthelp;
 369     }
 370     if (export_pkcs12) {
 371         if ((options & INFO) != 0)
 372             WARN_EXPORT("info");
 373         if (macver == 0)
 374             WARN_EXPORT("nomacver");
 375         if ((options & CLCERTS) != 0)
 376             WARN_EXPORT("clcerts");
 377         if ((options & CACERTS) != 0)
 378             WARN_EXPORT("cacerts");
 379         if (enc != default_enc)
 380             BIO_printf(bio_err,
 381                        "Warning: output encryption option -%s ignored with -export\n", enc_flag);
 382     } else {
 383         if (keyname != NULL)
 384             WARN_NO_EXPORT("inkey");
 385         if (certfile != NULL)
 386             WARN_NO_EXPORT("certfile");
 387         if (passcertsarg != NULL)
 388             WARN_NO_EXPORT("passcerts");
 389         if (chain)
 390             WARN_NO_EXPORT("chain");
 391         if (untrusted != NULL)
 392             WARN_NO_EXPORT("untrusted");
 393         if (CAfile != NULL)
 394             WARN_NO_EXPORT("CAfile");
 395         if (CApath != NULL)
 396             WARN_NO_EXPORT("CApath");
 397         if (CAstore != NULL)
 398             WARN_NO_EXPORT("CAstore");
 399         if (noCAfile)
 400             WARN_NO_EXPORT("no-CAfile");
 401         if (noCApath)
 402             WARN_NO_EXPORT("no-CApath");
 403         if (noCAstore)
 404             WARN_NO_EXPORT("no-CAstore");
 405         if (name != NULL)
 406             WARN_NO_EXPORT("name");
 407         if (canames != NULL)
 408             WARN_NO_EXPORT("caname");
 409         if (csp_name != NULL)
 410             WARN_NO_EXPORT("CSP");
 411         if (add_lmk)
 412             WARN_NO_EXPORT("LMK");
 413         if (keytype == KEY_EX)
 414             WARN_NO_EXPORT("keyex");
 415         if (keytype == KEY_SIG)
 416             WARN_NO_EXPORT("keysig");
 417         if (key_pbe != NID_undef)
 418             WARN_NO_EXPORT("keypbe");
 419         if (cert_pbe != NID_undef && cert_pbe != -1)
 420             WARN_NO_EXPORT("certpbe and -descert");
 421         if (macalg != NULL)
 422             WARN_NO_EXPORT("macalg");
 423         if (iter != 0)
 424             WARN_NO_EXPORT("iter and -noiter");
 425         if (maciter == 1)
 426             WARN_NO_EXPORT("nomaciter");
 427         if (cert_pbe == -1 && maciter == -1)
 428             WARN_NO_EXPORT("nomac");
 429     }
 430 #ifndef OPENSSL_NO_DES
 431     if (use_legacy) {
 432         /* load the legacy provider if not loaded already*/
 433         if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
 434             if (!app_provider_load(app_get0_libctx(), "legacy"))
 435                 goto end;
 436             /* load the default provider explicitly */
 437             if (!app_provider_load(app_get0_libctx(), "default"))
 438                 goto end;
 439         }
 440         if (cert_pbe == NID_undef) {
 441             /* Adapt default algorithm */
 442 # ifndef OPENSSL_NO_RC2
 443             cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 444 # else
 445             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 446 # endif
 447         }
 448
 449         if (key_pbe == NID_undef)
 450             key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 451         if (enc == default_enc)
 452             enc = (EVP_CIPHER *)EVP_des_ede3_cbc();
 453         if (macalg == NULL)
 454             macalg = "sha1";
 455     }
 456 #endif
 457
 458     private = 1;
 459
 460     if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
 461         BIO_printf(bio_err, "Error getting certificate file password\n");
 462         goto end;
 463     }
 464
 465     if (passarg != NULL) {
 466         if (export_pkcs12)
 467             passoutarg = passarg;
 468         else
 469             passinarg = passarg;
 470     }
 471
 472     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 473         BIO_printf(bio_err, "Error getting passwords\n");
 474         goto end;
 475     }
 476
 477     if (cpass == NULL) {
 478         if (export_pkcs12)
 479             cpass = passout;
 480         else
 481             cpass = passin;
 482     }
 483
 484     if (cpass != NULL) {
 485         mpass = cpass;
 486         noprompt = 1;
 487         if (twopass) {
 488             if (export_pkcs12)
 489                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
 490             else
 491                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
 492             goto end;
 493         }
 494     } else {
 495         cpass = pass;
 496         mpass = macpass;
 497     }
 498
 499     if (twopass) {
 500         /* To avoid bit rot */
 501         if (1) {
 502 #ifndef OPENSSL_NO_UI_CONSOLE
 503             if (EVP_read_pw_string(
 504                 macpass, sizeof(macpass), "Enter MAC Password:", export_pkcs12)) {
 505                 BIO_printf(bio_err, "Can't read Password\n");
 506                 goto end;
 507             }
 508         } else {
 509 #endif
 510             BIO_printf(bio_err, "Unsupported option -twopass\n");
 511             goto end;
 512         }
 513     }
 514
 515     if (export_pkcs12) {
 516         EVP_PKEY *key = NULL;
 517         X509 *ee_cert = NULL, *x = NULL;
 518         STACK_OF(X509) *certs = NULL;
 519         STACK_OF(X509) *untrusted_certs = NULL;
 520         EVP_MD *macmd = NULL;
 521         unsigned char *catmp = NULL;
 522         int i;
 523
 524         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 525             BIO_printf(bio_err, "Nothing to export due to -noout or -nocerts and -nokeys\n");
 526             goto export_end;
 527         }
 528
 529         if ((options & NOCERTS) != 0) {
 530             chain = 0;
 531             BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
 532         }
 533
 534         if (!(options & NOKEYS)) {
 535             key = load_key(keyname ? keyname : infile,
 536                            FORMAT_PEM, 1, passin, e,
 537                            keyname ?
 538                            "private key from -inkey file" :
 539                            "private key from -in file");
 540             if (key == NULL)
 541                 goto export_end;
 542         }
 543
 544         /* Load all certs in input file */
 545         if (!(options & NOCERTS)) {
 546             if (!load_certs(infile, 1, &certs, passin,
 547                             "certificates from -in file"))
 548                 goto export_end;
 549             if (sk_X509_num(certs) < 1) {
 550                 BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
 551                 goto export_end;
 552             }
 553
 554             if (key != NULL) {
 555                 /* Look for matching private key */
 556                 for (i = 0; i < sk_X509_num(certs); i++) {
 557                     x = sk_X509_value(certs, i);
 558                     if (X509_check_private_key(x, key)) {
 559                         ee_cert = x;
 560                         /* Zero keyid and alias */
 561                         X509_keyid_set1(ee_cert, NULL, 0);
 562                         X509_alias_set1(ee_cert, NULL, 0);
 563                         /* Remove from list */
 564                         (void)sk_X509_delete(certs, i);
 565                         break;
 566                     }
 567                 }
 568                 if (ee_cert == NULL) {
 569                     BIO_printf(bio_err,
 570                                "No cert in -in file '%s' matches private key\n",
 571                                infile);
 572                     goto export_end;
 573                 }
 574             } else {
 575                 ee_cert = X509_dup(sk_X509_value(certs, 0)); /* take 1st cert */
 576             }
 577         }
 578
 579         /* Load any untrusted certificates for chain building */
 580         if (untrusted != NULL) {
 581             if (!load_certs(untrusted, 0, &untrusted_certs, passcerts,
 582                             "untrusted certificates"))
 583                 goto export_end;
 584         }
 585
 586         /* If chaining get chain from end entity cert */
 587         if (chain) {
 588             int vret;
 589             STACK_OF(X509) *chain2;
 590             X509_STORE *store;
 591
 592             if (ee_cert == NULL) {
 593                 BIO_printf(bio_err,
 594                            "No end entity certificate to check with -chain\n");
 595                 goto export_end;
 596             }
 597
 598             if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
 599                                       CAstore, noCAstore))
 600                     == NULL)
 601                 goto export_end;
 602
 603             vret = get_cert_chain(ee_cert, store, untrusted_certs, &chain2);
 604             X509_STORE_free(store);
 605
 606             if (vret == X509_V_OK) {
 607                 int add_certs;
 608                 /* Remove from chain2 the first (end entity) certificate */
 609                 X509_free(sk_X509_shift(chain2));
 610                 /* Add the remaining certs (except for duplicates) */
 611                 add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
 612                                            | X509_ADD_FLAG_NO_DUP);
 613                 sk_X509_pop_free(chain2, X509_free);
 614                 if (!add_certs)
 615                     goto export_end;
 616             } else {
 617                 if (vret != X509_V_ERR_UNSPECIFIED)
 618                     BIO_printf(bio_err, "Error getting chain: %s\n",
 619                                X509_verify_cert_error_string(vret));
 620                 goto export_end;
 621             }
 622         }
 623
 624         /* Add any extra certificates asked for */
 625         if (certfile != NULL) {
 626             if (!load_certs(certfile, 0, &certs, passcerts,
 627                             "extra certificates from -certfile"))
 628                 goto export_end;
 629         }
 630
 631         /* Add any CA names */
 632         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 633             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 634             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 635         }
 636
 637         if (csp_name != NULL && key != NULL)
 638             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 639                                       MBSTRING_ASC, (unsigned char *)csp_name,
 640                                       -1);
 641
 642         if (add_lmk && key != NULL)
 643             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 644
 645         if (!noprompt && !(enc == NULL && maciter == -1)) {
 646             /* To avoid bit rot */
 647             if (1) {
 648 #ifndef OPENSSL_NO_UI_CONSOLE
 649                 if (EVP_read_pw_string(pass, sizeof(pass),
 650                                        "Enter Export Password:", 1)) {
 651                     BIO_printf(bio_err, "Can't read Password\n");
 652                     goto export_end;
 653                 }
 654             } else {
 655 #endif
 656                 BIO_printf(bio_err, "Password required\n");
 657                 goto export_end;
 658             }
 659         }
 660
 661         if (!twopass)
 662             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 663
 664         p12 = PKCS12_create_ex(cpass, name, key, ee_cert, certs,
 665                                key_pbe, cert_pbe, iter, -1, keytype,
 666                                app_get0_libctx(), app_get0_propq());
 667
 668         if (p12 == NULL) {
 669             BIO_printf(bio_err, "Error creating PKCS12 structure for %s\n",
 670                        outfile);
 671             goto export_end;
 672         }
 673
 674         if (macalg != NULL) {
 675             if (!opt_md(macalg, &macmd))
 676                 goto opthelp;
 677         }
 678
 679         if (maciter != -1)
 680             if (!PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd)) {
 681                 BIO_printf(bio_err, "Error creating PKCS12 MAC; no PKCS12KDF support?\n");
 682                 BIO_printf(bio_err, "Use -nomac if MAC not required and PKCS12KDF support not available.\n");
 683                 goto export_end;
 684             }
 685
 686         assert(private);
 687
 688         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 689         if (out == NULL)
 690             goto end;
 691
 692         i2d_PKCS12_bio(out, p12);
 693
 694         ret = 0;
 695
 696  export_end:
 697
 698         EVP_PKEY_free(key);
 699         EVP_MD_free(macmd);
 700         sk_X509_pop_free(certs, X509_free);
 701         sk_X509_pop_free(untrusted_certs, X509_free);
 702         X509_free(ee_cert);
 703
 704         ERR_print_errors(bio_err);
 705         goto end;
 706
 707     }
 708
 709     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 710     if (in == NULL)
 711         goto end;
 712     out = bio_open_owner(outfile, FORMAT_PEM, private);
 713     if (out == NULL)
 714         goto end;
 715
 716     p12 = PKCS12_init_ex(NID_pkcs7_data, app_get0_libctx(), app_get0_propq());
 717     if (p12 == NULL) {
 718         ERR_print_errors(bio_err);
 719         goto end;
 720     }
 721     if ((p12 = d2i_PKCS12_bio(in, &p12)) == NULL) {
 722         ERR_print_errors(bio_err);
 723         goto end;
 724     }
 725
 726     if (!noprompt) {
 727         if (1) {
 728 #ifndef OPENSSL_NO_UI_CONSOLE
 729             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 730                                    0)) {
 731                 BIO_printf(bio_err, "Can't read Password\n");
 732                 goto end;
 733             }
 734         } else {
 735 #endif
 736             BIO_printf(bio_err, "Password required\n");
 737             goto end;
 738         }
 739     }
 740
 741     if (!twopass)
 742         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 743
 744     if ((options & INFO) && PKCS12_mac_present(p12)) {
 745         const ASN1_INTEGER *tmaciter;
 746         const X509_ALGOR *macalgid;
 747         const ASN1_OBJECT *macobj;
 748         const ASN1_OCTET_STRING *tmac;
 749         const ASN1_OCTET_STRING *tsalt;
 750
 751         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 752         /* current hash algorithms do not use parameters so extract just name,
 753            in future alg_print() may be needed */
 754         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 755         BIO_puts(bio_err, "MAC: ");
 756         i2a_ASN1_OBJECT(bio_err, macobj);
 757         BIO_printf(bio_err, ", Iteration %ld\n",
 758                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 759         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 760                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 761                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 762     }
 763     if (macver) {
 764         EVP_KDF *pkcs12kdf;
 765
 766         pkcs12kdf = EVP_KDF_fetch(NULL, "PKCS12KDF", NULL);
 767         if (pkcs12kdf == NULL) {
 768             BIO_printf(bio_err, "Error verifying PKCS12 MAC; no PKCS12KDF support.\n");
 769             BIO_printf(bio_err, "Use -nomacver if MAC verification is not required.\n");
 770             goto end;
 771         }
 772         EVP_KDF_free(pkcs12kdf);
 773         /* If we enter empty password try no password first */
 774         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 775             /* If mac and crypto pass the same set it to NULL too */
 776             if (!twopass)
 777                 cpass = NULL;
 778         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 779             /*
 780              * May be UTF8 from previous version of OpenSSL:
 781              * convert to a UTF8 form which will translate
 782              * to the same Unicode password.
 783              */
 784             unsigned char *utmp;
 785             int utmplen;
 786             unsigned long err = ERR_peek_error();
 787
 788             if (ERR_GET_LIB(err) == ERR_LIB_PKCS12
 789                 && ERR_GET_REASON(err) == PKCS12_R_MAC_ABSENT) {
 790                 BIO_printf(bio_err, "Warning: MAC is absent!\n");
 791                 goto dump;
 792             }
 793
 794             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 795             if (utmp == NULL)
 796                 goto end;
 797             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 798             OPENSSL_free(utmp);
 799             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 800                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 801                 ERR_print_errors(bio_err);
 802                 goto end;
 803             } else {
 804                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 805                 if (!twopass)
 806                     cpass = badpass;
 807             }
 808         }
 809     }
 810
 811  dump:
 812     assert(private);
 813     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 814         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 815         ERR_print_errors(bio_err);
 816         goto end;
 817     }
 818     ret = 0;
 819  end:
 820     PKCS12_free(p12);
 821     release_engine(e);
 822     BIO_free(in);
 823     BIO_free_all(out);
 824     sk_OPENSSL_STRING_free(canames);
 825     OPENSSL_free(badpass);
 826     OPENSSL_free(passcerts);
 827     OPENSSL_free(passin);
 828     OPENSSL_free(passout);
 829     return ret;
 830 }
 831
 832 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 833                         int passlen, int options, char *pempass,
 834                         const EVP_CIPHER *enc)
 835 {
 836     STACK_OF(PKCS7) *asafes = NULL;
 837     STACK_OF(PKCS12_SAFEBAG) *bags;
 838     int i, bagnid;
 839     int ret = 0;
 840     PKCS7 *p7;
 841
 842     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 843         return 0;
 844     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 845         p7 = sk_PKCS7_value(asafes, i);
 846         bagnid = OBJ_obj2nid(p7->type);
 847         if (bagnid == NID_pkcs7_data) {
 848             bags = PKCS12_unpack_p7data(p7);
 849             if (options & INFO)
 850                 BIO_printf(bio_err, "PKCS7 Data\n");
 851         } else if (bagnid == NID_pkcs7_encrypted) {
 852             if (options & INFO) {
 853                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 854                 alg_print(p7->d.encrypted->enc_data->algorithm);
 855             }
 856             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 857         } else {
 858             continue;
 859         }
 860         if (!bags)
 861             goto err;
 862         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 863                                    options, pempass, enc)) {
 864             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 865             goto err;
 866         }
 867         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 868         bags = NULL;
 869     }
 870     ret = 1;
 871
 872  err:
 873     sk_PKCS7_pop_free(asafes, PKCS7_free);
 874     return ret;
 875 }
 876
 877 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 878                           const char *pass, int passlen, int options,
 879                           char *pempass, const EVP_CIPHER *enc)
 880 {
 881     int i;
 882     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 883         if (!dump_certs_pkeys_bag(out,
 884                                   sk_PKCS12_SAFEBAG_value(bags, i),
 885                                   pass, passlen, options, pempass, enc))
 886             return 0;
 887     }
 888     return 1;
 889 }
 890
 891 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 892                          const char *pass, int passlen, int options,
 893                          char *pempass, const EVP_CIPHER *enc)
 894 {
 895     EVP_PKEY *pkey;
 896     PKCS8_PRIV_KEY_INFO *p8;
 897     const PKCS8_PRIV_KEY_INFO *p8c;
 898     X509 *x509;
 899     const STACK_OF(X509_ATTRIBUTE) *attrs;
 900     int ret = 0;
 901
 902     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 903
 904     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 905     case NID_keyBag:
 906         if (options & INFO)
 907             BIO_printf(bio_err, "Key bag\n");
 908         if (options & NOKEYS)
 909             return 1;
 910         print_attribs(out, attrs, "Bag Attributes");
 911         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 912         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 913             return 0;
 914         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 915         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 916         EVP_PKEY_free(pkey);
 917         break;
 918
 919     case NID_pkcs8ShroudedKeyBag:
 920         if (options & INFO) {
 921             const X509_SIG *tp8;
 922             const X509_ALGOR *tp8alg;
 923
 924             BIO_printf(bio_err, "Shrouded Keybag: ");
 925             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 926             X509_SIG_get0(tp8, &tp8alg, NULL);
 927             alg_print(tp8alg);
 928         }
 929         if (options & NOKEYS)
 930             return 1;
 931         print_attribs(out, attrs, "Bag Attributes");
 932         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 933             return 0;
 934         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 935             PKCS8_PRIV_KEY_INFO_free(p8);
 936             return 0;
 937         }
 938         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 939         PKCS8_PRIV_KEY_INFO_free(p8);
 940         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 941         EVP_PKEY_free(pkey);
 942         break;
 943
 944     case NID_certBag:
 945         if (options & INFO)
 946             BIO_printf(bio_err, "Certificate bag\n");
 947         if (options & NOCERTS)
 948             return 1;
 949         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 950             if (options & CACERTS)
 951                 return 1;
 952         } else if (options & CLCERTS)
 953             return 1;
 954         print_attribs(out, attrs, "Bag Attributes");
 955         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 956             return 1;
 957         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 958             return 0;
 959         dump_cert_text(out, x509);
 960         ret = PEM_write_bio_X509(out, x509);
 961         X509_free(x509);
 962         break;
 963
 964     case NID_secretBag:
 965         if (options & INFO)
 966             BIO_printf(bio_err, "Secret bag\n");
 967         print_attribs(out, attrs, "Bag Attributes");
 968         BIO_printf(bio_err, "Bag Type: ");
 969         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
 970         BIO_printf(bio_err, "\nBag Value: ");
 971         print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
 972         return 1;
 973
 974     case NID_safeContentsBag:
 975         if (options & INFO)
 976             BIO_printf(bio_err, "Safe Contents bag\n");
 977         print_attribs(out, attrs, "Bag Attributes");
 978         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 979                                      pass, passlen, options, pempass, enc);
 980
 981     default:
 982         BIO_printf(bio_err, "Warning unsupported bag type: ");
 983         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 984         BIO_printf(bio_err, "\n");
 985         return 1;
 986     }
 987     return ret;
 988 }
 989
 990 /* Given a single certificate return a verified chain or NULL if error */
 991
 992 static int get_cert_chain(X509 *cert, X509_STORE *store,
 993                           STACK_OF(X509) *untrusted_certs,
 994                           STACK_OF(X509) **chain)
 995 {
 996     X509_STORE_CTX *store_ctx = NULL;
 997     STACK_OF(X509) *chn = NULL;
 998     int i = 0;
 999
1000     store_ctx = X509_STORE_CTX_new_ex(app_get0_libctx(), app_get0_propq());
1001     if (store_ctx == NULL) {
1002         i =  X509_V_ERR_UNSPECIFIED;
1003         goto end;
1004     }
1005     if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
1006         i =  X509_V_ERR_UNSPECIFIED;
1007         goto end;
1008     }
1009
1010
1011     if (X509_verify_cert(store_ctx) > 0)
1012         chn = X509_STORE_CTX_get1_chain(store_ctx);
1013     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
1014         i = X509_V_ERR_UNSPECIFIED;
1015
1016 end:
1017     X509_STORE_CTX_free(store_ctx);
1018     *chain = chn;
1019     return i;
1020 }
1021
1022 static int alg_print(const X509_ALGOR *alg)
1023 {
1024     int pbenid, aparamtype;
1025     const ASN1_OBJECT *aoid;
1026     const void *aparam;
1027     PBEPARAM *pbe = NULL;
1028
1029     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
1030
1031     pbenid = OBJ_obj2nid(aoid);
1032
1033     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
1034
1035     /*
1036      * If PBE algorithm is PBES2 decode algorithm parameters
1037      * for additional details.
1038      */
1039     if (pbenid == NID_pbes2) {
1040         PBE2PARAM *pbe2 = NULL;
1041         int encnid;
1042         if (aparamtype == V_ASN1_SEQUENCE)
1043             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
1044         if (pbe2 == NULL) {
1045             BIO_puts(bio_err, ", <unsupported parameters>");
1046             goto done;
1047         }
1048         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
1049         pbenid = OBJ_obj2nid(aoid);
1050         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
1051         encnid = OBJ_obj2nid(aoid);
1052         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
1053                    OBJ_nid2sn(encnid));
1054         /* If KDF is PBKDF2 decode parameters */
1055         if (pbenid == NID_id_pbkdf2) {
1056             PBKDF2PARAM *kdf = NULL;
1057             int prfnid;
1058             if (aparamtype == V_ASN1_SEQUENCE)
1059                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
1060             if (kdf == NULL) {
1061                 BIO_puts(bio_err, ", <unsupported parameters>");
1062                 goto done;
1063             }
1064
1065             if (kdf->prf == NULL) {
1066                 prfnid = NID_hmacWithSHA1;
1067             } else {
1068                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
1069                 prfnid = OBJ_obj2nid(aoid);
1070             }
1071             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
1072                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
1073             PBKDF2PARAM_free(kdf);
1074 #ifndef OPENSSL_NO_SCRYPT
1075         } else if (pbenid == NID_id_scrypt) {
1076             SCRYPT_PARAMS *kdf = NULL;
1077
1078             if (aparamtype == V_ASN1_SEQUENCE)
1079                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
1080             if (kdf == NULL) {
1081                 BIO_puts(bio_err, ", <unsupported parameters>");
1082                 goto done;
1083             }
1084             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
1085                        "Block size(r): %ld, Parallelism(p): %ld",
1086                        ASN1_STRING_length(kdf->salt),
1087                        ASN1_INTEGER_get(kdf->costParameter),
1088                        ASN1_INTEGER_get(kdf->blockSize),
1089                        ASN1_INTEGER_get(kdf->parallelizationParameter));
1090             SCRYPT_PARAMS_free(kdf);
1091 #endif
1092         }
1093         PBE2PARAM_free(pbe2);
1094     } else {
1095         if (aparamtype == V_ASN1_SEQUENCE)
1096             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
1097         if (pbe == NULL) {
1098             BIO_puts(bio_err, ", <unsupported parameters>");
1099             goto done;
1100         }
1101         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
1102         PBEPARAM_free(pbe);
1103     }
1104  done:
1105     BIO_puts(bio_err, "\n");
1106     return 1;
1107 }
1108
1109 /* Load all certificates from a given file */
1110
1111 int cert_load(BIO *in, STACK_OF(X509) *sk)
1112 {
1113     int ret = 0;
1114     X509 *cert;
1115
1116     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
1117         ret = 1;
1118         if (!sk_X509_push(sk, cert))
1119             return 0;
1120     }
1121     if (ret)
1122         ERR_clear_error();
1123     return ret;
1124 }
1125
1126 /* Generalised x509 attribute value print */
1127
1128 void print_attribute(BIO *out, const ASN1_TYPE *av)
1129 {
1130     char *value;
1131
1132     switch (av->type) {
1133     case V_ASN1_BMPSTRING:
1134         value = OPENSSL_uni2asc(av->value.bmpstring->data,
1135                                 av->value.bmpstring->length);
1136         BIO_printf(out, "%s\n", value);
1137         OPENSSL_free(value);
1138         break;
1139
1140     case V_ASN1_UTF8STRING:
1141         BIO_printf(out, "%s\n", av->value.utf8string->data);
1142         break;
1143
1144     case V_ASN1_OCTET_STRING:
1145         hex_prin(out, av->value.octet_string->data,
1146                  av->value.octet_string->length);
1147         BIO_printf(out, "\n");
1148         break;
1149
1150     case V_ASN1_BIT_STRING:
1151         hex_prin(out, av->value.bit_string->data,
1152                  av->value.bit_string->length);
1153         BIO_printf(out, "\n");
1154         break;
1155
1156     default:
1157         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
1158         break;
1159     }
1160 }
1161
1162 /* Generalised attribute print: handle PKCS#8 and bag attributes */
1163
1164 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
1165                   const char *name)
1166 {
1167     X509_ATTRIBUTE *attr;
1168     ASN1_TYPE *av;
1169     int i, j, attr_nid;
1170     if (!attrlst) {
1171         BIO_printf(out, "%s: <No Attributes>\n", name);
1172         return 1;
1173     }
1174     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
1175         BIO_printf(out, "%s: <Empty Attributes>\n", name);
1176         return 1;
1177     }
1178     BIO_printf(out, "%s\n", name);
1179     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
1180         ASN1_OBJECT *attr_obj;
1181         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
1182         attr_obj = X509_ATTRIBUTE_get0_object(attr);
1183         attr_nid = OBJ_obj2nid(attr_obj);
1184         BIO_printf(out, "    ");
1185         if (attr_nid == NID_undef) {
1186             i2a_ASN1_OBJECT(out, attr_obj);
1187             BIO_printf(out, ": ");
1188         } else {
1189             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
1190         }
1191
1192         if (X509_ATTRIBUTE_count(attr)) {
1193             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
1194             {
1195                 av = X509_ATTRIBUTE_get0_type(attr, j);
1196                 print_attribute(out, av);
1197             }
1198         } else {
1199             BIO_printf(out, "<No Values>\n");
1200         }
1201     }
1202     return 1;
1203 }
1204
1205 void hex_prin(BIO *out, unsigned char *buf, int len)
1206 {
1207     int i;
1208     for (i = 0; i < len; i++)
1209         BIO_printf(out, "%02X ", buf[i]);
1210 }
1211
1212 static int set_pbe(int *ppbe, const char *str)
1213 {
1214     if (!str)
1215         return 0;
1216     if (strcmp(str, "NONE") == 0) {
1217         *ppbe = -1;
1218         return 1;
1219     }
1220     *ppbe = OBJ_txt2nid(str);
1221     if (*ppbe == NID_undef) {
1222         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1223         return 0;
1224     }
1225     return 1;
1226 }