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 /* -inform arg  - input format - default PEM (DER or PEM)
  75  * -outform arg - output format - default PEM
  76  * -in arg      - input file - default stdin
  77  * -out arg     - output file - default stdout
  78  * -print_certs
  79  */
  80
  81 int MAIN(int, char **);
  82
  83 int MAIN(int argc, char **argv)
  84         {
  85 #ifndef OPENSSL_NO_ENGINE
  86         ENGINE *e = NULL;
  87 #endif
  88         PKCS7 *p7=NULL;
  89         int i,badops=0;
  90         BIO *in=NULL,*out=NULL;
  91         int informat,outformat;
  92         char *infile,*outfile,*prog;
  93         int print_certs=0,text=0,noout=0,p7_print=0;
  94         int ret=1;
  95 #ifndef OPENSSL_NO_ENGINE
  96         char *engine=NULL;
  97 #endif
  98
  99         apps_startup();
 100
 101         if (bio_err == NULL)
 102                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 103                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 104
 105         if (!load_config(bio_err, NULL))
 106                 goto end;
 107
 108         infile=NULL;
 109         outfile=NULL;
 110         informat=FORMAT_PEM;
 111         outformat=FORMAT_PEM;
 112
 113         prog=argv[0];
 114         argc--;
 115         argv++;
 116         while (argc >= 1)
 117                 {
 118                 if      (strcmp(*argv,"-inform") == 0)
 119                         {
 120                         if (--argc < 1) goto bad;
 121                         informat=str2fmt(*(++argv));
 122                         }
 123                 else if (strcmp(*argv,"-outform") == 0)
 124                         {
 125                         if (--argc < 1) goto bad;
 126                         outformat=str2fmt(*(++argv));
 127                         }
 128                 else if (strcmp(*argv,"-in") == 0)
 129                         {
 130                         if (--argc < 1) goto bad;
 131                         infile= *(++argv);
 132                         }
 133                 else if (strcmp(*argv,"-out") == 0)
 134                         {
 135                         if (--argc < 1) goto bad;
 136                         outfile= *(++argv);
 137                         }
 138                 else if (strcmp(*argv,"-noout") == 0)
 139                         noout=1;
 140                 else if (strcmp(*argv,"-text") == 0)
 141                         text=1;
 142                 else if (strcmp(*argv,"-print") == 0)
 143                         p7_print=1;
 144                 else if (strcmp(*argv,"-print_certs") == 0)
 145                         print_certs=1;
 146 #ifndef OPENSSL_NO_ENGINE
 147                 else if (strcmp(*argv,"-engine") == 0)
 148                         {
 149                         if (--argc < 1) goto bad;
 150                         engine= *(++argv);
 151                         }
 152 #endif
 153                 else
 154                         {
 155                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 156                         badops=1;
 157                         break;
 158                         }
 159                 argc--;
 160                 argv++;
 161                 }
 162
 163         if (badops)
 164                 {
 165 bad:
 166                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 167                 BIO_printf(bio_err,"where options are\n");
 168                 BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
 169                 BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
 170                 BIO_printf(bio_err," -in arg       input file\n");
 171                 BIO_printf(bio_err," -out arg      output file\n");
 172                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
 173                 BIO_printf(bio_err," -text         print full details of certificates\n");
 174                 BIO_printf(bio_err," -noout        don't output encoded data\n");
 175 #ifndef OPENSSL_NO_ENGINE
 176                 BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
 177 #endif
 178                 ret = 1;
 179                 goto end;
 180                 }
 181
 182         ERR_load_crypto_strings();
 183
 184 #ifndef OPENSSL_NO_ENGINE
 185         e = setup_engine(bio_err, engine, 0);
 186 #endif
 187
 188         in=BIO_new(BIO_s_file());
 189         out=BIO_new(BIO_s_file());
 190         if ((in == NULL) || (out == NULL))
 191                 {
 192                 ERR_print_errors(bio_err);
 193                 goto end;
 194                 }
 195
 196         if (infile == NULL)
 197                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 198         else
 199                 {
 200                 if (BIO_read_filename(in,infile) <= 0)
 201                 if (in == NULL)
 202                         {
 203                         perror(infile);
 204                         goto end;
 205                         }
 206                 }
 207
 208         if      (informat == FORMAT_ASN1)
 209                 p7=d2i_PKCS7_bio(in,NULL);
 210         else if (informat == FORMAT_PEM)
 211                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
 212         else
 213                 {
 214                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
 215                 goto end;
 216                 }
 217         if (p7 == NULL)
 218                 {
 219                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
 220                 ERR_print_errors(bio_err);
 221                 goto end;
 222                 }
 223
 224         if (outfile == NULL)
 225                 {
 226                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 227 #ifdef OPENSSL_SYS_VMS
 228                 {
 229                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 230                 out = BIO_push(tmpbio, out);
 231                 }
 232 #endif
 233                 }
 234         else
 235                 {
 236                 if (BIO_write_filename(out,outfile) <= 0)
 237                         {
 238                         perror(outfile);
 239                         goto end;
 240                         }
 241                 }
 242
 243         if (p7_print)
 244                 PKCS7_print_ctx(out, p7, 0, NULL);
 245
 246         if (print_certs)
 247                 {
 248                 STACK_OF(X509) *certs=NULL;
 249                 STACK_OF(X509_CRL) *crls=NULL;
 250
 251                 i=OBJ_obj2nid(p7->type);
 252                 switch (i)
 253                         {
 254                 case NID_pkcs7_signed:
 255                         certs=p7->d.sign->cert;
 256                         crls=p7->d.sign->crl;
 257                         break;
 258                 case NID_pkcs7_signedAndEnveloped:
 259                         certs=p7->d.signed_and_enveloped->cert;
 260                         crls=p7->d.signed_and_enveloped->crl;
 261                         break;
 262                 default:
 263                         break;
 264                         }
 265
 266                 if (certs != NULL)
 267                         {
 268                         X509 *x;
 269
 270                         for (i=0; i<sk_X509_num(certs); i++)
 271                                 {
 272                                 x=sk_X509_value(certs,i);
 273                                 if(text) X509_print(out, x);
 274                                 else dump_cert_text(out, x);
 275
 276                                 if(!noout) PEM_write_bio_X509(out,x);
 277                                 BIO_puts(out,"\n");
 278                                 }
 279                         }
 280                 if (crls != NULL)
 281                         {
 282                         X509_CRL *crl;
 283
 284                         for (i=0; i<sk_X509_CRL_num(crls); i++)
 285                                 {
 286                                 crl=sk_X509_CRL_value(crls,i);
 287
 288                                 X509_CRL_print(out, crl);
 289
 290                                 if(!noout)PEM_write_bio_X509_CRL(out,crl);
 291                                 BIO_puts(out,"\n");
 292                                 }
 293                         }
 294
 295                 ret=0;
 296                 goto end;
 297                 }
 298
 299         if(!noout) {
 300                 if      (outformat == FORMAT_ASN1)
 301                         i=i2d_PKCS7_bio(out,p7);
 302                 else if (outformat == FORMAT_PEM)
 303                         i=PEM_write_bio_PKCS7(out,p7);
 304                 else    {
 305                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 306                         goto end;
 307                         }
 308
 309                 if (!i)
 310                         {
 311                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
 312                         ERR_print_errors(bio_err);
 313                         goto end;
 314                         }
 315         }
 316         ret=0;
 317 end:
 318         if (p7 != NULL) PKCS7_free(p7);
 319         if (in != NULL) BIO_free(in);
 320         if (out != NULL) BIO_free_all(out);
 321         apps_shutdown();
 322         OPENSSL_EXIT(ret);
 323         }