apps/smime.c

   1 /* smime.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 /* S/MIME utility function */
  60
  61 #include <stdio.h>
  62 #include <string.h>
  63 #include "apps.h"
  64 #include <openssl/crypto.h>
  65 #include <openssl/pem.h>
  66 #include <openssl/err.h>
  67
  68 #undef PROG
  69 #define PROG smime_main
  70 static X509 *load_cert(char *file);
  71 static EVP_PKEY *load_key(char *file, char *pass);
  72 static STACK_OF(X509) *load_certs(char *file);
  73 static X509_STORE *setup_verify(char *CAfile, char *CApath);
  74 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
  75
  76 #define SMIME_OP        0x10
  77 #define SMIME_ENCRYPT   (1 | SMIME_OP)
  78 #define SMIME_DECRYPT   2
  79 #define SMIME_SIGN      (3 | SMIME_OP)
  80 #define SMIME_VERIFY    4
  81 #define SMIME_PK7OUT    5
  82
  83 int MAIN(int, char **);
  84
  85 int MAIN(int argc, char **argv)
  86 {
  87         int operation = 0;
  88         int ret = 0;
  89         char **args;
  90         char *inmode = "r", *outmode = "w";
  91         char *infile = NULL, *outfile = NULL;
  92         char *signerfile = NULL, *recipfile = NULL;
  93         char *certfile = NULL, *keyfile = NULL;
  94         EVP_CIPHER *cipher = NULL;
  95         PKCS7 *p7 = NULL;
  96         X509_STORE *store = NULL;
  97         X509 *cert = NULL, *recip = NULL, *signer = NULL;
  98         EVP_PKEY *key = NULL;
  99         STACK_OF(X509) *encerts = NULL, *other = NULL;
 100         BIO *in = NULL, *out = NULL, *indata = NULL;
 101         int badarg = 0;
 102         int flags = PKCS7_DETACHED;
 103         char *to = NULL, *from = NULL, *subject = NULL;
 104         char *CAfile = NULL, *CApath = NULL, *passin = NULL;
 105
 106         args = argv + 1;
 107
 108         ret = 1;
 109
 110         while (!badarg && *args && *args[0] == '-') {
 111                 if (!strcmp (*args, "-encrypt")) operation = SMIME_ENCRYPT;
 112                 else if (!strcmp (*args, "-decrypt")) operation = SMIME_DECRYPT;
 113                 else if (!strcmp (*args, "-sign")) operation = SMIME_SIGN;
 114                 else if (!strcmp (*args, "-verify")) operation = SMIME_VERIFY;
 115                 else if (!strcmp (*args, "-pk7out")) operation = SMIME_PK7OUT;
 116 #ifndef NO_DES
 117                 else if (!strcmp (*args, "-des3"))
 118                                 cipher = EVP_des_ede3_cbc();
 119                 else if (!strcmp (*args, "-des"))
 120                                 cipher = EVP_des_cbc();
 121 #endif
 122 #ifndef NO_RC2
 123                 else if (!strcmp (*args, "-rc2-40"))
 124                                 cipher = EVP_rc2_40_cbc();
 125                 else if (!strcmp (*args, "-rc2-128"))
 126                                 cipher = EVP_rc2_cbc();
 127                 else if (!strcmp (*args, "-rc2-64"))
 128                                 cipher = EVP_rc2_64_cbc();
 129 #endif
 130                 else if (!strcmp (*args, "-text"))
 131                                 flags |= PKCS7_TEXT;
 132                 else if (!strcmp (*args, "-nointern"))
 133                                 flags |= PKCS7_NOINTERN;
 134                 else if (!strcmp (*args, "-noverify"))
 135                                 flags |= PKCS7_NOVERIFY;
 136                 else if (!strcmp (*args, "-nochain"))
 137                                 flags |= PKCS7_NOCHAIN;
 138                 else if (!strcmp (*args, "-nocerts"))
 139                                 flags |= PKCS7_NOCERTS;
 140                 else if (!strcmp (*args, "-noattr"))
 141                                 flags |= PKCS7_NOATTR;
 142                 else if (!strcmp (*args, "-nodetach"))
 143                                 flags &= ~PKCS7_DETACHED;
 144                 else if (!strcmp (*args, "-binary"))
 145                                 flags |= PKCS7_BINARY;
 146                 else if (!strcmp (*args, "-nosigs"))
 147                                 flags |= PKCS7_NOSIGS;
 148                 else if (!strcmp(*argv,"-passin")) {
 149                         if (--argc < 1) badarg = 1;
 150                         else passin= *(++argv);
 151                 } else if (!strcmp(*argv,"-envpassin")) {
 152                         if (--argc < 1) badarg = 1;
 153                         else if(!(passin= getenv(*(++argv)))) {
 154                                 BIO_printf(bio_err,
 155                                  "Can't read environment variable %s\n",
 156                                                                 *argv);
 157                                 badarg = 1;
 158                         }
 159                 } else if (!strcmp (*args, "-to")) {
 160                         if (args[1]) {
 161                                 args++;
 162                                 to = *args;
 163                         } else badarg = 1;
 164                 } else if (!strcmp (*args, "-from")) {
 165                         if (args[1]) {
 166                                 args++;
 167                                 from = *args;
 168                         } else badarg = 1;
 169                 } else if (!strcmp (*args, "-subject")) {
 170                         if (args[1]) {
 171                                 args++;
 172                                 subject = *args;
 173                         } else badarg = 1;
 174                 } else if (!strcmp (*args, "-signer")) {
 175                         if (args[1]) {
 176                                 args++;
 177                                 signerfile = *args;
 178                         } else badarg = 1;
 179                 } else if (!strcmp (*args, "-recip")) {
 180                         if (args[1]) {
 181                                 args++;
 182                                 recipfile = *args;
 183                         } else badarg = 1;
 184                 } else if (!strcmp (*args, "-inkey")) {
 185                         if (args[1]) {
 186                                 args++;
 187                                 keyfile = *args;
 188                         } else badarg = 1;
 189                 } else if (!strcmp (*args, "-certfile")) {
 190                         if (args[1]) {
 191                                 args++;
 192                                 certfile = *args;
 193                         } else badarg = 1;
 194                 } else if (!strcmp (*args, "-CAfile")) {
 195                         if (args[1]) {
 196                                 args++;
 197                                 CAfile = *args;
 198                         } else badarg = 1;
 199                 } else if (!strcmp (*args, "-CApath")) {
 200                         if (args[1]) {
 201                                 args++;
 202                                 CApath = *args;
 203                         } else badarg = 1;
 204                 } else if (!strcmp (*args, "-in")) {
 205                         if (args[1]) {
 206                                 args++;
 207                                 infile = *args;
 208                         } else badarg = 1;
 209                 } else if (!strcmp (*args, "-out")) {
 210                         if (args[1]) {
 211                                 args++;
 212                                 outfile = *args;
 213                         } else badarg = 1;
 214                 } else badarg = 1;
 215                 args++;
 216         }
 217
 218         if(operation == SMIME_SIGN) {
 219                 if(!signerfile) {
 220                         BIO_printf(bio_err, "No signer certificate specified\n");
 221                         badarg = 1;
 222                 }
 223         } else if(operation == SMIME_DECRYPT) {
 224                 if(!recipfile) {
 225                         BIO_printf(bio_err, "No recipient certificate and key specified\n");
 226                         badarg = 1;
 227                 }
 228         } else if(operation == SMIME_ENCRYPT) {
 229                 if(!*args) {
 230                         BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 231                         badarg = 1;
 232                 }
 233         } else if(!operation) badarg = 1;
 234
 235         if (badarg) {
 236                 BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
 237                 BIO_printf (bio_err, "where options are\n");
 238                 BIO_printf (bio_err, "-encrypt       encrypt message\n");
 239                 BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
 240                 BIO_printf (bio_err, "-sign          sign message\n");
 241                 BIO_printf (bio_err, "-verify        verify signed message\n");
 242                 BIO_printf (bio_err, "-pk7out        output PKCS#7 structure\n");
 243 #ifndef NO_DES
 244                 BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
 245                 BIO_printf (bio_err, "-des           encrypt with DES\n");
 246 #endif
 247 #ifndef NO_RC2
 248                 BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
 249                 BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
 250                 BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
 251 #endif
 252                 BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
 253                 BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
 254                 BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
 255                 BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
 256                 BIO_printf (bio_err, "-nodetach      use opaque signing\n");
 257                 BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
 258                 BIO_printf (bio_err, "-binary        don't translate message to text\n");
 259                 BIO_printf (bio_err, "-certfile file other certificates file\n");
 260                 BIO_printf (bio_err, "-signer file   signer certificate file\n");
 261                 BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
 262                 BIO_printf (bio_err, "-in file       input file\n");
 263                 BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
 264                 BIO_printf (bio_err, "-out file      output file\n");
 265                 BIO_printf (bio_err, "-to addr       to address\n");
 266                 BIO_printf (bio_err, "-from ad       from address\n");
 267                 BIO_printf (bio_err, "-subject s     subject\n");
 268                 BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
 269                 BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
 270                 BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
 271                 BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
 272                 goto end;
 273         }
 274
 275         ret = 2;
 276
 277         if(operation != SMIME_SIGN) flags &= ~PKCS7_DETACHED;
 278
 279         if(flags & PKCS7_BINARY) {
 280                 if(operation & SMIME_OP) inmode = "rb";
 281                 else outmode = "rb";
 282         }
 283
 284         if(operation == SMIME_ENCRYPT) {
 285                 if (!cipher) {
 286 #ifndef NO_RC2
 287                         cipher = EVP_rc2_40_cbc();
 288 #else
 289                         BIO_printf(bio_err, "No cipher selected\n");
 290                         goto end;
 291 #endif
 292                 }
 293 #ifdef CRYPTO_MDEBUG
 294                 CRYPTO_push_info("load encryption certificates");
 295 #endif
 296                 encerts = sk_X509_new_null();
 297                 while (*args) {
 298                         if(!(cert = load_cert(*args))) {
 299                                 BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
 300                                 goto end;
 301                         }
 302                         sk_X509_push(encerts, cert);
 303                         cert = NULL;
 304                         args++;
 305                 }
 306 #ifdef CRYPTO_MDEBUG
 307                 CRYPTO_pop_info();
 308 #endif
 309         }
 310
 311         if(signerfile && (operation == SMIME_SIGN)) {
 312 #ifdef CRYPTO_MDEBUG
 313                 CRYPTO_push_info("load signer certificate");
 314 #endif
 315                 if(!(signer = load_cert(signerfile))) {
 316                         BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
 317                         goto end;
 318                 }
 319 #ifdef CRYPTO_MDEBUG
 320                 CRYPTO_pop_info();
 321 #endif
 322         }
 323
 324         if(certfile) {
 325 #ifdef CRYPTO_MDEBUG
 326                 CRYPTO_push_info("load other certfiles");
 327 #endif
 328                 if(!(other = load_certs(certfile))) {
 329                         BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
 330                         ERR_print_errors(bio_err);
 331                         goto end;
 332                 }
 333 #ifdef CRYPTO_MDEBUG
 334                 CRYPTO_pop_info();
 335 #endif
 336         }
 337
 338         if(recipfile && (operation == SMIME_DECRYPT)) {
 339 #ifdef CRYPTO_MDEBUG
 340                 CRYPTO_push_info("load recipient certificate");
 341 #endif
 342                 if(!(recip = load_cert(recipfile))) {
 343                         BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
 344                         ERR_print_errors(bio_err);
 345                         goto end;
 346                 }
 347 #ifdef CRYPTO_MDEBUG
 348                 CRYPTO_pop_info();
 349 #endif
 350         }
 351
 352         if(operation == SMIME_DECRYPT) {
 353                 if(!keyfile) keyfile = recipfile;
 354         } else if(operation == SMIME_SIGN) {
 355                 if(!keyfile) keyfile = signerfile;
 356         } else keyfile = NULL;
 357
 358         if(keyfile) {
 359 #ifdef CRYPTO_MDEBUG
 360                 CRYPTO_push_info("load keyfile");
 361 #endif
 362                 if(!(key = load_key(keyfile, passin))) {
 363                         BIO_printf(bio_err, "Can't read recipient certificate file %s\n", keyfile);
 364                         ERR_print_errors(bio_err);
 365                         goto end;
 366                 }
 367 #ifdef CRYPTO_MDEBUG
 368                 CRYPTO_pop_info();
 369 #endif
 370         }
 371
 372 #ifdef CRYPTO_MDEBUG
 373         CRYPTO_push_info("open input files");
 374 #endif
 375         if (infile) {
 376                 if (!(in = BIO_new_file(infile, inmode))) {
 377                         BIO_printf (bio_err,
 378                                  "Can't open input file %s\n", infile);
 379                         goto end;
 380                 }
 381         } else in = BIO_new_fp(stdin, BIO_NOCLOSE);
 382 #ifdef CRYPTO_MDEBUG
 383         CRYPTO_pop_info();
 384 #endif
 385
 386 #ifdef CRYPTO_MDEBUG
 387         CRYPTO_push_info("open output files");
 388 #endif
 389         if (outfile) {
 390                 if (!(out = BIO_new_file(outfile, outmode))) {
 391                         BIO_printf (bio_err,
 392                                  "Can't open output file %s\n", outfile);
 393                         goto end;
 394                 }
 395         } else out = BIO_new_fp(stdout, BIO_NOCLOSE);
 396 #ifdef CRYPTO_MDEBUG
 397         CRYPTO_pop_info();
 398 #endif
 399
 400         if(operation == SMIME_VERIFY) {
 401 #ifdef CRYPTO_MDEBUG
 402                 CRYPTO_push_info("setup_verify");
 403 #endif
 404                 if(!(store = setup_verify(CAfile, CApath))) goto end;
 405 #ifdef CRYPTO_MDEBUG
 406                 CRYPTO_pop_info();
 407 #endif
 408         }
 409
 410         ret = 3;
 411
 412         if(operation == SMIME_ENCRYPT) {
 413 #ifdef CRYPTO_MDEBUG
 414                 CRYPTO_push_info("PKCS7_encrypt");
 415 #endif
 416                 p7 = PKCS7_encrypt(encerts, in, cipher, flags);
 417 #ifdef CRYPTO_MDEBUG
 418                 CRYPTO_pop_info();
 419 #endif
 420         } else if(operation == SMIME_SIGN) {
 421 #ifdef CRYPTO_MDEBUG
 422                 CRYPTO_push_info("PKCS7_sign");
 423 #endif
 424                 p7 = PKCS7_sign(signer, key, other, in, flags);
 425                 BIO_reset(in);
 426 #ifdef CRYPTO_MDEBUG
 427                 CRYPTO_pop_info();
 428 #endif
 429         } else {
 430 #ifdef CRYPTO_MDEBUG
 431                 CRYPTO_push_info("SMIME_read_PKCS7");
 432 #endif
 433                 if(!(p7 = SMIME_read_PKCS7(in, &indata))) {
 434                         BIO_printf(bio_err, "Error reading S/MIME message\n");
 435                         goto end;
 436                 }
 437 #ifdef CRYPTO_MDEBUG
 438                 CRYPTO_pop_info();
 439 #endif
 440         }
 441
 442         if(!p7) {
 443                 BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
 444                 goto end;
 445         }
 446
 447         ret = 4;
 448         if(operation == SMIME_DECRYPT) {
 449 #ifdef CRYPTO_MDEBUG
 450                 CRYPTO_push_info("PKCS7_decrypt");
 451 #endif
 452                 if(!PKCS7_decrypt(p7, key, recip, out, flags)) {
 453                         BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
 454                         goto end;
 455                 }
 456 #ifdef CRYPTO_MDEBUG
 457                 CRYPTO_pop_info();
 458 #endif
 459         } else if(operation == SMIME_VERIFY) {
 460                 STACK_OF(X509) *signers;
 461 #ifdef CRYPTO_MDEBUG
 462                 CRYPTO_push_info("PKCS7_verify");
 463 #endif
 464                 if(PKCS7_verify(p7, other, store, indata, out, flags)) {
 465                         BIO_printf(bio_err, "Verification Successful\n");
 466                 } else {
 467                         BIO_printf(bio_err, "Verification Failure\n");
 468                         goto end;
 469                 }
 470 #ifdef CRYPTO_MDEBUG
 471                 CRYPTO_pop_info();
 472                 CRYPTO_push_info("PKCS7_iget_signers");
 473 #endif
 474                 signers = PKCS7_iget_signers(p7, other, flags);
 475 #ifdef CRYPTO_MDEBUG
 476                 CRYPTO_pop_info();
 477                 CRYPTO_push_info("save_certs");
 478 #endif
 479                 if(!save_certs(signerfile, signers)) {
 480                         BIO_printf(bio_err, "Error writing signers to %s\n",
 481                                                                 signerfile);
 482                         ret = 5;
 483                         goto end;
 484                 }
 485 #ifdef CRYPTO_MDEBUG
 486                 CRYPTO_pop_info();
 487 #endif
 488                 sk_X509_free(signers);
 489         } else if(operation == SMIME_PK7OUT) {
 490                 PEM_write_bio_PKCS7(out, p7);
 491         } else {
 492                 if(to) BIO_printf(out, "To: %s\n", to);
 493                 if(from) BIO_printf(out, "From: %s\n", from);
 494                 if(subject) BIO_printf(out, "Subject: %s\n", subject);
 495                 SMIME_write_PKCS7(out, p7, in, flags);
 496         }
 497         ret = 0;
 498 end:
 499 #ifdef CRYPTO_MDEBUG
 500         CRYPTO_remove_all_info();
 501 #endif
 502         if(ret) ERR_print_errors(bio_err);
 503         sk_X509_pop_free(encerts, X509_free);
 504         sk_X509_pop_free(other, X509_free);
 505         X509_STORE_free(store);
 506         X509_free(cert);
 507         X509_free(recip);
 508         X509_free(signer);
 509         EVP_PKEY_free(key);
 510         PKCS7_free(p7);
 511         BIO_free(in);
 512         BIO_free(indata);
 513         BIO_free(out);
 514         return (ret);
 515 }
 516
 517 static X509 *load_cert(char *file)
 518 {
 519         BIO *in;
 520         X509 *cert;
 521         if(!(in = BIO_new_file(file, "r"))) return NULL;
 522         cert = PEM_read_bio_X509(in, NULL, NULL,NULL);
 523         BIO_free(in);
 524         return cert;
 525 }
 526
 527 static EVP_PKEY *load_key(char *file, char *pass)
 528 {
 529         BIO *in;
 530         EVP_PKEY *key;
 531         if(!(in = BIO_new_file(file, "r"))) return NULL;
 532         key = PEM_read_bio_PrivateKey(in, NULL,PEM_cb,pass);
 533         BIO_free(in);
 534         return key;
 535 }
 536
 537 static STACK_OF(X509) *load_certs(char *file)
 538 {
 539         BIO *in;
 540         int i;
 541         STACK_OF(X509) *othercerts;
 542         STACK_OF(X509_INFO) *allcerts;
 543         X509_INFO *xi;
 544         if(!(in = BIO_new_file(file, "r"))) return NULL;
 545         othercerts = sk_X509_new(NULL);
 546         if(!othercerts) return NULL;
 547         allcerts = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
 548         for(i = 0; i < sk_X509_INFO_num(allcerts); i++) {
 549                 xi = sk_X509_INFO_value (allcerts, i);
 550                 if (xi->x509) {
 551                         sk_X509_push(othercerts, xi->x509);
 552                         xi->x509 = NULL;
 553                 }
 554         }
 555         sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
 556         BIO_free(in);
 557         return othercerts;
 558 }
 559
 560 static X509_STORE *setup_verify(char *CAfile, char *CApath)
 561 {
 562         X509_STORE *store;
 563         X509_LOOKUP *lookup;
 564 #ifdef CRYPTO_MDEBUG
 565         CRYPTO_push_info("X509_STORE_new");
 566 #endif
 567         if(!(store = X509_STORE_new())) goto end;
 568 #ifdef CRYPTO_MDEBUG
 569         CRYPTO_pop_info();
 570         CRYPTO_push_info("X509_STORE_add_lookup(...file)");
 571 #endif
 572         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
 573         if (lookup == NULL) goto end;
 574 #ifdef CRYPTO_MDEBUG
 575         CRYPTO_pop_info();
 576         CRYPTO_push_info("X509_LOOKUP_load_file");
 577 #endif
 578         if (CAfile) {
 579                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
 580                         BIO_printf(bio_err, "Error loading file %s\n", CAfile);
 581                         goto end;
 582                 }
 583         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
 584
 585 #ifdef CRYPTO_MDEBUG
 586         CRYPTO_pop_info();
 587         CRYPTO_push_info("X509_STORE_add_lookup(...hash_dir)");
 588 #endif
 589         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
 590         if (lookup == NULL) goto end;
 591 #ifdef CRYPTO_MDEBUG
 592         CRYPTO_pop_info();
 593         CRYPTO_push_info("X509_LOOKUP_add_dir");
 594 #endif
 595         if (CApath) {
 596                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
 597                         BIO_printf(bio_err, "Error loading directory %s\n", CApath);
 598                         goto end;
 599                 }
 600         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
 601 #ifdef CRYPTO_MDEBUG
 602         CRYPTO_pop_info();
 603 #endif
 604
 605         ERR_clear_error();
 606         return store;
 607         end:
 608         X509_STORE_free(store);
 609         return NULL;
 610 }
 611
 612 int save_certs(char *signerfile, STACK_OF(X509) *signers)
 613 {
 614         int i;
 615         BIO *tmp;
 616         if(!signerfile) return 1;
 617         tmp = BIO_new_file(signerfile, "w");
 618         if(!tmp) return 0;
 619         for(i = 0; i < sk_X509_num(signers); i++)
 620                 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
 621         BIO_free(tmp);
 622         return 1;
 623 }
 624