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