apps/pkcs7.c

   1 /* apps/pkcs7.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include <time.h>
  63 #include "apps.h"
  64 #include <openssl/err.h>
  65 #include <openssl/objects.h>
  66 #include <openssl/evp.h>
  67 #include <openssl/x509.h>
  68 #include <openssl/pkcs7.h>
  69 #include <openssl/pem.h>
  70
  71 #undef PROG
  72 #define PROG    pkcs7_main
  73
  74 /*-
  75  * -inform arg  - input format - default PEM (DER or PEM)
  76  * -outform arg - output format - default PEM
  77  * -in arg      - input file - default stdin
  78  * -out arg     - output file - default stdout
  79  * -print_certs
  80  */
  81
  82 int MAIN(int, char **);
  83
  84 int MAIN(int argc, char **argv)
  85 {
  86     PKCS7 *p7 = NULL;
  87     int i, badops = 0;
  88     BIO *in = NULL, *out = NULL;
  89     int informat, outformat;
  90     char *infile, *outfile, *prog;
  91     int print_certs = 0, text = 0, noout = 0, p7_print = 0;
  92     int ret = 1;
  93     char *engine = NULL;
  94     ENGINE *e = NULL;
  95
  96     apps_startup();
  97
  98     if (bio_err == NULL)
  99         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 100             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 101
 102     if (!load_config(bio_err, NULL))
 103         goto end;
 104
 105     infile = NULL;
 106     outfile = NULL;
 107     informat = FORMAT_PEM;
 108     outformat = FORMAT_PEM;
 109
 110     prog = argv[0];
 111     argc--;
 112     argv++;
 113     while (argc >= 1) {
 114         if (strcmp(*argv, "-inform") == 0) {
 115             if (--argc < 1)
 116                 goto bad;
 117             informat = str2fmt(*(++argv));
 118         } else if (strcmp(*argv, "-outform") == 0) {
 119             if (--argc < 1)
 120                 goto bad;
 121             outformat = str2fmt(*(++argv));
 122         } else if (strcmp(*argv, "-in") == 0) {
 123             if (--argc < 1)
 124                 goto bad;
 125             infile = *(++argv);
 126         } else if (strcmp(*argv, "-out") == 0) {
 127             if (--argc < 1)
 128                 goto bad;
 129             outfile = *(++argv);
 130         } else if (strcmp(*argv, "-noout") == 0)
 131             noout = 1;
 132         else if (strcmp(*argv, "-text") == 0)
 133             text = 1;
 134         else if (strcmp(*argv, "-print") == 0)
 135             p7_print = 1;
 136         else if (strcmp(*argv, "-print_certs") == 0)
 137             print_certs = 1;
 138 #ifndef OPENSSL_NO_ENGINE
 139         else if (strcmp(*argv, "-engine") == 0) {
 140             if (--argc < 1)
 141                 goto bad;
 142             engine = *(++argv);
 143         }
 144 #endif
 145         else {
 146             BIO_printf(bio_err, "unknown option %s\n", *argv);
 147             badops = 1;
 148             break;
 149         }
 150         argc--;
 151         argv++;
 152     }
 153
 154     if (badops) {
 155  bad:
 156         BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
 157         BIO_printf(bio_err, "where options are\n");
 158         BIO_printf(bio_err, " -inform arg   input format - DER or PEM\n");
 159         BIO_printf(bio_err, " -outform arg  output format - DER or PEM\n");
 160         BIO_printf(bio_err, " -in arg       input file\n");
 161         BIO_printf(bio_err, " -out arg      output file\n");
 162         BIO_printf(bio_err,
 163                    " -print_certs  print any certs or crl in the input\n");
 164         BIO_printf(bio_err,
 165                    " -text         print full details of certificates\n");
 166         BIO_printf(bio_err, " -noout        don't output encoded data\n");
 167 #ifndef OPENSSL_NO_ENGINE
 168         BIO_printf(bio_err,
 169                    " -engine e     use engine e, possibly a hardware device.\n");
 170 #endif
 171         ret = 1;
 172         goto end;
 173     }
 174
 175     ERR_load_crypto_strings();
 176
 177     e = setup_engine(bio_err, engine, 0);
 178
 179     in = BIO_new(BIO_s_file());
 180     out = BIO_new(BIO_s_file());
 181     if ((in == NULL) || (out == NULL)) {
 182         ERR_print_errors(bio_err);
 183         goto end;
 184     }
 185
 186     if (infile == NULL)
 187         BIO_set_fp(in, stdin, BIO_NOCLOSE);
 188     else {
 189         if (BIO_read_filename(in, infile) <= 0) {
 190             BIO_printf(bio_err, "unable to load input file\n");
 191             ERR_print_errors(bio_err);
 192             goto end;
 193         }
 194     }
 195
 196     if (informat == FORMAT_ASN1)
 197         p7 = d2i_PKCS7_bio(in, NULL);
 198     else if (informat == FORMAT_PEM)
 199         p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
 200     else {
 201         BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
 202         goto end;
 203     }
 204     if (p7 == NULL) {
 205         BIO_printf(bio_err, "unable to load PKCS7 object\n");
 206         ERR_print_errors(bio_err);
 207         goto end;
 208     }
 209
 210     if (outfile == NULL) {
 211         BIO_set_fp(out, stdout, BIO_NOCLOSE);
 212 #ifdef OPENSSL_SYS_VMS
 213         {
 214             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 215             out = BIO_push(tmpbio, out);
 216         }
 217 #endif
 218     } else {
 219         if (BIO_write_filename(out, outfile) <= 0) {
 220             perror(outfile);
 221             goto end;
 222         }
 223     }
 224
 225     if (p7_print)
 226         PKCS7_print_ctx(out, p7, 0, NULL);
 227
 228     if (print_certs) {
 229         STACK_OF(X509) *certs = NULL;
 230         STACK_OF(X509_CRL) *crls = NULL;
 231
 232         i = OBJ_obj2nid(p7->type);
 233         switch (i) {
 234         case NID_pkcs7_signed:
 235             if (p7->d.sign != NULL) {
 236                 certs = p7->d.sign->cert;
 237                 crls = p7->d.sign->crl;
 238             }
 239             break;
 240         case NID_pkcs7_signedAndEnveloped:
 241             if (p7->d.signed_and_enveloped != NULL) {
 242                 certs = p7->d.signed_and_enveloped->cert;
 243                 crls = p7->d.signed_and_enveloped->crl;
 244             }
 245             break;
 246         default:
 247             break;
 248         }
 249
 250         if (certs != NULL) {
 251             X509 *x;
 252
 253             for (i = 0; i < sk_X509_num(certs); i++) {
 254                 x = sk_X509_value(certs, i);
 255                 if (text)
 256                     X509_print(out, x);
 257                 else
 258                     dump_cert_text(out, x);
 259
 260                 if (!noout)
 261                     PEM_write_bio_X509(out, x);
 262                 BIO_puts(out, "\n");
 263             }
 264         }
 265         if (crls != NULL) {
 266             X509_CRL *crl;
 267
 268             for (i = 0; i < sk_X509_CRL_num(crls); i++) {
 269                 crl = sk_X509_CRL_value(crls, i);
 270
 271                 X509_CRL_print(out, crl);
 272
 273                 if (!noout)
 274                     PEM_write_bio_X509_CRL(out, crl);
 275                 BIO_puts(out, "\n");
 276             }
 277         }
 278
 279         ret = 0;
 280         goto end;
 281     }
 282
 283     if (!noout) {
 284         if (outformat == FORMAT_ASN1)
 285             i = i2d_PKCS7_bio(out, p7);
 286         else if (outformat == FORMAT_PEM)
 287             i = PEM_write_bio_PKCS7(out, p7);
 288         else {
 289             BIO_printf(bio_err, "bad output format specified for outfile\n");
 290             goto end;
 291         }
 292
 293         if (!i) {
 294             BIO_printf(bio_err, "unable to write pkcs7 object\n");
 295             ERR_print_errors(bio_err);
 296             goto end;
 297         }
 298     }
 299     ret = 0;
 300  end:
 301     if (p7 != NULL)
 302         PKCS7_free(p7);
 303     release_engine(e);
 304     if (in != NULL)
 305         BIO_free(in);
 306     if (out != NULL)
 307         BIO_free_all(out);
 308     apps_shutdown();
 309     OPENSSL_EXIT(ret);
 310 }