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 "err.h"
  65 #include "objects.h"
  66 #include "evp.h"
  67 #include "x509.h"
  68 #include "pkcs7.h"
  69 #include "pem.h"
  70
  71 #undef PROG
  72 #define PROG    pkcs7_main
  73
  74 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
  75  * -outform arg - output format - default PEM
  76  * -in arg      - input file - default stdin
  77  * -out arg     - output file - default stdout
  78  * -des         - encrypt output if PEM format with DES in cbc mode
  79  * -des3        - encrypt output if PEM format
  80  * -idea        - encrypt output if PEM format
  81  * -print_certs
  82  */
  83
  84 int MAIN(argc, argv)
  85 int argc;
  86 char **argv;
  87         {
  88         PKCS7 *p7=NULL;
  89         int i,badops=0;
  90 #if !defined(NO_DES) || !defined(NO_IDEA)
  91         EVP_CIPHER *enc=NULL;
  92 #endif
  93         BIO *in=NULL,*out=NULL;
  94         int informat,outformat;
  95         char *infile,*outfile,*prog,buf[256];
  96         int print_certs=0;
  97         int ret=0;
  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         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                 {
 115                 if      (strcmp(*argv,"-inform") == 0)
 116                         {
 117                         if (--argc < 1) goto bad;
 118                         informat=str2fmt(*(++argv));
 119                         }
 120                 else if (strcmp(*argv,"-outform") == 0)
 121                         {
 122                         if (--argc < 1) goto bad;
 123                         outformat=str2fmt(*(++argv));
 124                         }
 125                 else if (strcmp(*argv,"-in") == 0)
 126                         {
 127                         if (--argc < 1) goto bad;
 128                         infile= *(++argv);
 129                         }
 130                 else if (strcmp(*argv,"-out") == 0)
 131                         {
 132                         if (--argc < 1) goto bad;
 133                         outfile= *(++argv);
 134                         }
 135                 else if (strcmp(*argv,"-print_certs") == 0)
 136                         print_certs=1;
 137 #ifndef NO_DES
 138                 else if (strcmp(*argv,"-des") == 0)
 139                         enc=EVP_des_cbc();
 140                 else if (strcmp(*argv,"-des3") == 0)
 141                         enc=EVP_des_ede3_cbc();
 142 #endif
 143 #ifndef NO_IDEA
 144                 else if (strcmp(*argv,"-idea") == 0)
 145                         enc=EVP_idea_cbc();
 146 #endif
 147                 else
 148                         {
 149                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 150                         badops=1;
 151                         break;
 152                         }
 153                 argc--;
 154                 argv++;
 155                 }
 156
 157         if (badops)
 158                 {
 159 bad:
 160                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 161                 BIO_printf(bio_err,"where options are\n");
 162                 BIO_printf(bio_err," -inform arg   input format - one of DER TXT PEM\n");
 163                 BIO_printf(bio_err," -outform arg  output format - one of DER TXT PEM\n");
 164                 BIO_printf(bio_err," -in arg       input file\n");
 165                 BIO_printf(bio_err," -out arg      output file\n");
 166                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
 167                 BIO_printf(bio_err," -des          encrypt PEM output with cbc des\n");
 168                 BIO_printf(bio_err," -des3         encrypt PEM output with ede cbc des using 168 bit key\n");
 169 #ifndef NO_IDEA
 170                 BIO_printf(bio_err," -idea         encrypt PEM output with cbc idea\n");
 171 #endif
 172                 EXIT(1);
 173                 }
 174
 175         ERR_load_crypto_strings();
 176
 177         in=BIO_new(BIO_s_file());
 178         out=BIO_new(BIO_s_file());
 179         if ((in == NULL) || (out == NULL))
 180                 {
 181                 ERR_print_errors(bio_err);
 182                 goto end;
 183                 }
 184
 185         if (infile == NULL)
 186                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 187         else
 188                 {
 189                 if (BIO_read_filename(in,infile) <= 0)
 190                 if (in == NULL)
 191                         {
 192                         perror(infile);
 193                         goto end;
 194                         }
 195                 }
 196
 197         if      (informat == FORMAT_ASN1)
 198                 p7=d2i_PKCS7_bio(in,NULL);
 199         else if (informat == FORMAT_PEM)
 200                 p7=PEM_read_bio_PKCS7(in,NULL,NULL);
 201         else
 202                 {
 203                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
 204                 goto end;
 205                 }
 206         if (p7 == NULL)
 207                 {
 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         else
 216                 {
 217                 if (BIO_write_filename(out,outfile) <= 0)
 218                         {
 219                         perror(outfile);
 220                         goto end;
 221                         }
 222                 }
 223
 224         if (print_certs)
 225                 {
 226                 STACK *certs=NULL;
 227                 STACK *crls=NULL;
 228
 229                 i=OBJ_obj2nid(p7->type);
 230                 switch (i)
 231                         {
 232                 case NID_pkcs7_signed:
 233                         certs=p7->d.sign->cert;
 234                         crls=p7->d.sign->crl;
 235                         break;
 236                 case NID_pkcs7_signedAndEnveloped:
 237                         certs=p7->d.signed_and_enveloped->cert;
 238                         crls=p7->d.signed_and_enveloped->crl;
 239                         break;
 240                 default:
 241                         break;
 242                         }
 243
 244                 if (certs != NULL)
 245                         {
 246                         X509 *x;
 247
 248                         for (i=0; i<sk_num(certs); i++)
 249                                 {
 250                                 x=(X509 *)sk_value(certs,i);
 251
 252                                 X509_NAME_oneline(X509_get_subject_name(x),
 253                                         buf,256);
 254                                 BIO_puts(out,"subject=");
 255                                 BIO_puts(out,buf);
 256
 257                                 X509_NAME_oneline(X509_get_issuer_name(x),
 258                                         buf,256);
 259                                 BIO_puts(out,"\nissuer= ");
 260                                 BIO_puts(out,buf);
 261                                 BIO_puts(out,"\n");
 262
 263                                 PEM_write_bio_X509(out,x);
 264                                 BIO_puts(out,"\n");
 265                                 }
 266                         }
 267                 if (crls != NULL)
 268                         {
 269                         X509_CRL *crl;
 270
 271                         for (i=0; i<sk_num(crls); i++)
 272                                 {
 273                                 crl=(X509_CRL *)sk_value(crls,i);
 274
 275                                 X509_NAME_oneline(crl->crl->issuer,buf,256);
 276                                 BIO_puts(out,"issuer= ");
 277                                 BIO_puts(out,buf);
 278
 279                                 BIO_puts(out,"\nlast update=");
 280                                 ASN1_TIME_print(out,crl->crl->lastUpdate);
 281                                 BIO_puts(out,"\nnext update=");
 282                                 ASN1_TIME_print(out,crl->crl->nextUpdate);
 283                                 BIO_puts(out,"\n");
 284
 285                                 PEM_write_bio_X509_CRL(out,crl);
 286                                 BIO_puts(out,"\n");
 287                                 }
 288                         }
 289
 290                 ret=0;
 291                 goto end;
 292                 }
 293
 294         if      (outformat == FORMAT_ASN1)
 295                 i=i2d_PKCS7_bio(out,p7);
 296         else if (outformat == FORMAT_PEM)
 297                 i=PEM_write_bio_PKCS7(out,p7);
 298         else    {
 299                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 300                 goto end;
 301                 }
 302
 303         if (!i)
 304                 {
 305                 BIO_printf(bio_err,"unable to write pkcs7 object\n");
 306                 ERR_print_errors(bio_err);
 307                 goto end;
 308                 }
 309         ret=0;
 310 end:
 311         if (p7 != NULL) PKCS7_free(p7);
 312         if (in != NULL) BIO_free(in);
 313         if (out != NULL) BIO_free(out);
 314         EXIT(ret);
 315         }