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 #ifndef OPENSSL_NO_ENGINE
  94     char *engine = NULL;
  95 #endif
  96
  97     apps_startup();
  98
  99     if (bio_err == NULL)
 100         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 101             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 102
 103     if (!load_config(bio_err, NULL))
 104         goto end;
 105
 106     infile = NULL;
 107     outfile = NULL;
 108     informat = FORMAT_PEM;
 109     outformat = FORMAT_PEM;
 110
 111     prog = argv[0];
 112     argc--;
 113     argv++;
 114     while (argc >= 1) {
 115         if (strcmp(*argv, "-inform") == 0) {
 116             if (--argc < 1)
 117                 goto bad;
 118             informat = str2fmt(*(++argv));
 119         } else if (strcmp(*argv, "-outform") == 0) {
 120             if (--argc < 1)
 121                 goto bad;
 122             outformat = str2fmt(*(++argv));
 123         } else if (strcmp(*argv, "-in") == 0) {
 124             if (--argc < 1)
 125                 goto bad;
 126             infile = *(++argv);
 127         } else if (strcmp(*argv, "-out") == 0) {
 128             if (--argc < 1)
 129                 goto bad;
 130             outfile = *(++argv);
 131         } else if (strcmp(*argv, "-noout") == 0)
 132             noout = 1;
 133         else if (strcmp(*argv, "-text") == 0)
 134             text = 1;
 135         else if (strcmp(*argv, "-print") == 0)
 136             p7_print = 1;
 137         else if (strcmp(*argv, "-print_certs") == 0)
 138             print_certs = 1;
 139 #ifndef OPENSSL_NO_ENGINE
 140         else if (strcmp(*argv, "-engine") == 0) {
 141             if (--argc < 1)
 142                 goto bad;
 143             engine = *(++argv);
 144         }
 145 #endif
 146         else {
 147             BIO_printf(bio_err, "unknown option %s\n", *argv);
 148             badops = 1;
 149             break;
 150         }
 151         argc--;
 152         argv++;
 153     }
 154
 155     if (badops) {
 156  bad:
 157         BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
 158         BIO_printf(bio_err, "where options are\n");
 159         BIO_printf(bio_err, " -inform arg   input format - DER or PEM\n");
 160         BIO_printf(bio_err, " -outform arg  output format - DER or PEM\n");
 161         BIO_printf(bio_err, " -in arg       input file\n");
 162         BIO_printf(bio_err, " -out arg      output file\n");
 163         BIO_printf(bio_err,
 164                    " -print_certs  print any certs or crl in the input\n");
 165         BIO_printf(bio_err,
 166                    " -text         print full details of certificates\n");
 167         BIO_printf(bio_err, " -noout        don't output encoded data\n");
 168 #ifndef OPENSSL_NO_ENGINE
 169         BIO_printf(bio_err,
 170                    " -engine e     use engine e, possibly a hardware device.\n");
 171 #endif
 172         ret = 1;
 173         goto end;
 174     }
 175
 176     ERR_load_crypto_strings();
 177
 178 #ifndef OPENSSL_NO_ENGINE
 179     setup_engine(bio_err, engine, 0);
 180 #endif
 181
 182     in = BIO_new(BIO_s_file());
 183     out = BIO_new(BIO_s_file());
 184     if ((in == NULL) || (out == NULL)) {
 185         ERR_print_errors(bio_err);
 186         goto end;
 187     }
 188
 189     if (infile == NULL)
 190         BIO_set_fp(in, stdin, BIO_NOCLOSE);
 191     else {
 192         if (BIO_read_filename(in, infile) <= 0) {
 193             BIO_printf(bio_err, "unable to load input file\n");
 194             ERR_print_errors(bio_err);
 195             goto end;
 196         }
 197     }
 198
 199     if (informat == FORMAT_ASN1)
 200         p7 = d2i_PKCS7_bio(in, NULL);
 201     else if (informat == FORMAT_PEM)
 202         p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
 203     else {
 204         BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
 205         goto end;
 206     }
 207     if (p7 == NULL) {
 208         BIO_printf(bio_err, "unable to load PKCS7 object\n");
 209         ERR_print_errors(bio_err);
 210         goto end;
 211     }
 212
 213     if (outfile == NULL) {
 214         BIO_set_fp(out, stdout, BIO_NOCLOSE);
 215 #ifdef OPENSSL_SYS_VMS
 216         {
 217             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 218             out = BIO_push(tmpbio, out);
 219         }
 220 #endif
 221     } else {
 222         if (BIO_write_filename(out, outfile) <= 0) {
 223             perror(outfile);
 224             goto end;
 225         }
 226     }
 227
 228     if (p7_print)
 229         PKCS7_print_ctx(out, p7, 0, NULL);
 230
 231     if (print_certs) {
 232         STACK_OF(X509) *certs = NULL;
 233         STACK_OF(X509_CRL) *crls = NULL;
 234
 235         i = OBJ_obj2nid(p7->type);
 236         switch (i) {
 237         case NID_pkcs7_signed:
 238             certs = p7->d.sign->cert;
 239             crls = p7->d.sign->crl;
 240             break;
 241         case NID_pkcs7_signedAndEnveloped:
 242             certs = p7->d.signed_and_enveloped->cert;
 243             crls = p7->d.signed_and_enveloped->crl;
 244             break;
 245         default:
 246             break;
 247         }
 248
 249         if (certs != NULL) {
 250             X509 *x;
 251
 252             for (i = 0; i < sk_X509_num(certs); i++) {
 253                 x = sk_X509_value(certs, i);
 254                 if (text)
 255                     X509_print(out, x);
 256                 else
 257                     dump_cert_text(out, x);
 258
 259                 if (!noout)
 260                     PEM_write_bio_X509(out, x);
 261                 BIO_puts(out, "\n");
 262             }
 263         }
 264         if (crls != NULL) {
 265             X509_CRL *crl;
 266
 267             for (i = 0; i < sk_X509_CRL_num(crls); i++) {
 268                 crl = sk_X509_CRL_value(crls, i);
 269
 270                 X509_CRL_print(out, crl);
 271
 272                 if (!noout)
 273                     PEM_write_bio_X509_CRL(out, crl);
 274                 BIO_puts(out, "\n");
 275             }
 276         }
 277
 278         ret = 0;
 279         goto end;
 280     }
 281
 282     if (!noout) {
 283         if (outformat == FORMAT_ASN1)
 284             i = i2d_PKCS7_bio(out, p7);
 285         else if (outformat == FORMAT_PEM)
 286             i = PEM_write_bio_PKCS7(out, p7);
 287         else {
 288             BIO_printf(bio_err, "bad output format specified for outfile\n");
 289             goto end;
 290         }
 291
 292         if (!i) {
 293             BIO_printf(bio_err, "unable to write pkcs7 object\n");
 294             ERR_print_errors(bio_err);
 295             goto end;
 296         }
 297     }
 298     ret = 0;
 299  end:
 300     PKCS7_free(p7);
 301     BIO_free(in);
 302     BIO_free_all(out);
 303     apps_shutdown();
 304     OPENSSL_EXIT(ret);
 305 }