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:         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_certs") == 0)
  143:                         print_certs=1;
  144: #ifndef OPENSSL_NO_ENGINE
  145:                 else if (strcmp(*argv,"-engine") == 0)
  146:                         {
  147:                         if (--argc < 1) goto bad;
  148:                         engine= *(++argv);
  149:                         }
  150: #endif
  151:                 else
  152:                         {
  153:                         BIO_printf(bio_err,"unknown option %s\n",*argv);
  154:                         badops=1;
  155:                         break;
  156:                         }
  157:                 argc--;
  158:                 argv++;
  159:                 }
  160: 
  161:         if (badops)
  162:                 {
  163: bad:
  164:                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
  165:                 BIO_printf(bio_err,"where options are\n");
  166:                 BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
  167:                 BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
  168:                 BIO_printf(bio_err," -in arg       input file\n");
  169:                 BIO_printf(bio_err," -out arg      output file\n");
  170:                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
  171:                 BIO_printf(bio_err," -text         print full details of certificates\n");
  172:                 BIO_printf(bio_err," -noout        don't output encoded data\n");
  173: #ifndef OPENSSL_NO_ENGINE
  174:                 BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
  175: #endif
  176:                 ret = 1;
  177:                 goto end;
  178:                 }
  179: 
  180:         ERR_load_crypto_strings();
  181: 
  182: #ifndef OPENSSL_NO_ENGINE
  183:         e = setup_engine(bio_err, engine, 0);
  184: #endif
  185: 
  186:         in=BIO_new(BIO_s_file());
  187:         out=BIO_new(BIO_s_file());
  188:         if ((in == NULL) || (out == NULL))
  189:                 {
  190:                 ERR_print_errors(bio_err);
  191:                 goto end;
  192:                 }
  193: 
  194:         if (infile == NULL)
  195:                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
  196:         else
  197:                 {
  198:                 if (BIO_read_filename(in,infile) <= 0)
  199:                 if (in == NULL)
  200:                         {
  201:                         perror(infile);
  202:                         goto end;
  203:                         }
  204:                 }
  205: 
  206:         if     (informat == FORMAT_ASN1)
  207:                 p7=d2i_PKCS7_bio(in,NULL);
  208:         else if (informat == FORMAT_PEM)
  209:                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
  210:         else
  211:                 {
  212:                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
  213:                 goto end;
  214:                 }
  215:         if (p7 == NULL)
  216:                 {
  217:                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
  218:                 ERR_print_errors(bio_err);
  219:                 goto end;
  220:                 }
  221: 
  222:         if (outfile == NULL)
  223:                 {
  224:                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
  225: #ifdef OPENSSL_SYS_VMS
  226:                 {
  227:                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  228:                 out = BIO_push(tmpbio, out);
  229:                 }
  230: #endif
  231:                 }
  232:         else
  233:                 {
  234:                 if (BIO_write_filename(out,outfile) <= 0)
  235:                         {
  236:                         perror(outfile);
  237:                         goto end;
  238:                         }
  239:                 }
  240: 
  241:         if (print_certs)
  242:                 {
  243:                 STACK_OF(X509) *certs=NULL;
  244:                 STACK_OF(X509_CRL) *crls=NULL;
  245: 
  246:                 i=OBJ_obj2nid(p7->type);
  247:                 switch (i)
  248:                         {
  249:                 case NID_pkcs7_signed:
  250:                         certs=p7->d.sign->cert;
  251:                         crls=p7->d.sign->crl;
  252:                         break;
  253:                 case NID_pkcs7_signedAndEnveloped:
  254:                         certs=p7->d.signed_and_enveloped->cert;
  255:                         crls=p7->d.signed_and_enveloped->crl;
  256:                         break;
  257:                 default:
  258:                         break;
  259:                         }
  260: 
  261:                 if (certs != NULL)
  262:                         {
  263:                         X509 *x;
  264: 
  265:                         for (i=0; i<sk_X509_num(certs); i++)
  266:                                 {
  267:                                 x=sk_X509_value(certs,i);
  268:                                 if(text) X509_print(out, x);
  269:                                 else dump_cert_text(out, x);
  270: 
  271:                                 if(!noout) PEM_write_bio_X509(out,x);
  272:                                 BIO_puts(out,"\n");
  273:                                 }
  274:                         }
  275:                 if (crls != NULL)
  276:                         {
  277:                         X509_CRL *crl;
  278: 
  279:                         for (i=0; i<sk_X509_CRL_num(crls); i++)
  280:                                 {
  281:                                 crl=sk_X509_CRL_value(crls,i);
  282: 
  283:                                 X509_CRL_print(out, crl);
  284: 
  285:                                 if(!noout)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(!noout) {
  295:                 if    (outformat == FORMAT_ASN1)
  296:                         i=i2d_PKCS7_bio(out,p7);
  297:                 else if (outformat == FORMAT_PEM)
  298:                         i=PEM_write_bio_PKCS7(out,p7);
  299:                 else  {
  300:                         BIO_printf(bio_err,"bad output format specified for outfile\n");
  301:                         goto end;
  302:                         }
  303: 
  304:                 if (!i)
  305:                         {
  306:                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
  307:                         ERR_print_errors(bio_err);
  308:                         goto end;
  309:                         }
  310:         }
  311:         ret=0;
  312: end:
  313:         if (p7 != NULL) PKCS7_free(p7);
  314:         if (in != NULL) BIO_free(in);
  315:         if (out != NULL) BIO_free_all(out);
  316:         apps_shutdown();
  317:         OPENSSL_EXIT(ret);
  318:         }