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 #include <openssl/engine.h>
  71
  72 #undef PROG
  73 #define PROG    pkcs7_main
  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         ENGINE *e = NULL;
  87         PKCS7 *p7=NULL;
  88         int i,badops=0;
  89         BIO *in=NULL,*out=NULL;
  90         int informat,outformat;
  91         char *infile,*outfile,*prog;
  92         int print_certs=0,text=0,noout=0;
  93         int ret=0;
  94         char *engine=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         infile=NULL;
 103         outfile=NULL;
 104         informat=FORMAT_PEM;
 105         outformat=FORMAT_PEM;
 106
 107         prog=argv[0];
 108         argc--;
 109         argv++;
 110         while (argc >= 1)
 111                 {
 112                 if      (strcmp(*argv,"-inform") == 0)
 113                         {
 114                         if (--argc < 1) goto bad;
 115                         informat=str2fmt(*(++argv));
 116                         }
 117                 else if (strcmp(*argv,"-outform") == 0)
 118                         {
 119                         if (--argc < 1) goto bad;
 120                         outformat=str2fmt(*(++argv));
 121                         }
 122                 else if (strcmp(*argv,"-in") == 0)
 123                         {
 124                         if (--argc < 1) goto bad;
 125                         infile= *(++argv);
 126                         }
 127                 else if (strcmp(*argv,"-out") == 0)
 128                         {
 129                         if (--argc < 1) goto bad;
 130                         outfile= *(++argv);
 131                         }
 132                 else if (strcmp(*argv,"-noout") == 0)
 133                         noout=1;
 134                 else if (strcmp(*argv,"-text") == 0)
 135                         text=1;
 136                 else if (strcmp(*argv,"-print_certs") == 0)
 137                         print_certs=1;
 138                 else if (strcmp(*argv,"-engine") == 0)
 139                         {
 140                         if (--argc < 1) goto bad;
 141                         engine= *(++argv);
 142                         }
 143                 else
 144                         {
 145                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 146                         badops=1;
 147                         break;
 148                         }
 149                 argc--;
 150                 argv++;
 151                 }
 152
 153         if (badops)
 154                 {
 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," -print_certs  print any certs or crl in the input\n");
 163                 BIO_printf(bio_err," -text         print full details of certificates\n");
 164                 BIO_printf(bio_err," -noout        don't output encoded data\n");
 165                 BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
 166                 EXIT(1);
 167                 }
 168
 169         ERR_load_crypto_strings();
 170
 171         if (engine != NULL)
 172                 {
 173                 if((e = ENGINE_by_id(engine)) == NULL)
 174                         {
 175                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
 176                                 engine);
 177                         goto end;
 178                         }
 179                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
 180                         {
 181                         BIO_printf(bio_err,"can't use that engine\n");
 182                         goto end;
 183                         }
 184                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
 185                 /* Free our "structural" reference. */
 186                 ENGINE_free(e);
 187                 }
 188
 189         in=BIO_new(BIO_s_file());
 190         out=BIO_new(BIO_s_file());
 191         if ((in == NULL) || (out == NULL))
 192                 {
 193                 ERR_print_errors(bio_err);
 194                 goto end;
 195                 }
 196
 197         if (infile == NULL)
 198                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 199         else
 200                 {
 201                 if (BIO_read_filename(in,infile) <= 0)
 202                 if (in == NULL)
 203                         {
 204                         perror(infile);
 205                         goto end;
 206                         }
 207                 }
 208
 209         if      (informat == FORMAT_ASN1)
 210                 p7=d2i_PKCS7_bio(in,NULL);
 211         else if (informat == FORMAT_PEM)
 212                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
 213         else
 214                 {
 215                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
 216                 goto end;
 217                 }
 218         if (p7 == NULL)
 219                 {
 220                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
 221                 ERR_print_errors(bio_err);
 222                 goto end;
 223                 }
 224
 225         if (outfile == NULL)
 226                 {
 227                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 228 #ifdef VMS
 229                 {
 230                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 231                 out = BIO_push(tmpbio, out);
 232                 }
 233 #endif
 234                 }
 235         else
 236                 {
 237                 if (BIO_write_filename(out,outfile) <= 0)
 238                         {
 239                         perror(outfile);
 240                         goto end;
 241                         }
 242                 }
 243
 244         if (print_certs)
 245                 {
 246                 STACK_OF(X509) *certs=NULL;
 247                 STACK_OF(X509_CRL) *crls=NULL;
 248
 249                 i=OBJ_obj2nid(p7->type);
 250                 switch (i)
 251                         {
 252                 case NID_pkcs7_signed:
 253                         certs=p7->d.sign->cert;
 254                         crls=p7->d.sign->crl;
 255                         break;
 256                 case NID_pkcs7_signedAndEnveloped:
 257                         certs=p7->d.signed_and_enveloped->cert;
 258                         crls=p7->d.signed_and_enveloped->crl;
 259                         break;
 260                 default:
 261                         break;
 262                         }
 263
 264                 if (certs != NULL)
 265                         {
 266                         X509 *x;
 267
 268                         for (i=0; i<sk_X509_num(certs); i++)
 269                                 {
 270                                 x=sk_X509_value(certs,i);
 271                                 if(text) X509_print(out, x);
 272                                 else dump_cert_text(out, x);
 273
 274                                 if(!noout) PEM_write_bio_X509(out,x);
 275                                 BIO_puts(out,"\n");
 276                                 }
 277                         }
 278                 if (crls != NULL)
 279                         {
 280                         X509_CRL *crl;
 281
 282                         for (i=0; i<sk_X509_CRL_num(crls); i++)
 283                                 {
 284                                 crl=sk_X509_CRL_value(crls,i);
 285
 286                                 X509_CRL_print(out, crl);
 287
 288                                 if(!noout)PEM_write_bio_X509_CRL(out,crl);
 289                                 BIO_puts(out,"\n");
 290                                 }
 291                         }
 292
 293                 ret=0;
 294                 goto end;
 295                 }
 296
 297         if(!noout) {
 298                 if      (outformat == FORMAT_ASN1)
 299                         i=i2d_PKCS7_bio(out,p7);
 300                 else if (outformat == FORMAT_PEM)
 301                         i=PEM_write_bio_PKCS7(out,p7);
 302                 else    {
 303                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 304                         goto end;
 305                         }
 306
 307                 if (!i)
 308                         {
 309                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
 310                         ERR_print_errors(bio_err);
 311                         goto end;
 312                         }
 313         }
 314         ret=0;
 315 end:
 316         if (p7 != NULL) PKCS7_free(p7);
 317         if (in != NULL) BIO_free(in);
 318         if (out != NULL) BIO_free_all(out);
 319         EXIT(ret);
 320         }