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