apps/sess_id.c

   1 /* apps/sess_id.c */
   2 /* Copyright (C) 1995-1997 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 "apps.h"
  63 #include "bio.h"
  64 #include "err.h"
  65 #include "x509.h"
  66 #include "pem.h"
  67 #include "ssl.h"
  68
  69 #undef PROG
  70 #define PROG    sess_id_main
  71
  72 #define FORMAT_UNDEF    0
  73 #define FORMAT_ASN1     1
  74 #define FORMAT_TEXT     2
  75 #define FORMAT_PEM      3
  76
  77 static char *sess_id_usage[]={
  78 "usage: crl args\n",
  79 "\n",
  80 " -inform arg     - input format - default PEM (one of DER, TXT or PEM)\n",
  81 " -outform arg    - output format - default PEM\n",
  82 " -in arg         - input file - default stdin\n",
  83 " -out arg        - output file - default stdout\n",
  84 " -text           - print ssl session id details\n",
  85 " -cert           - output certificaet \n",
  86 " -noout          - no CRL output\n",
  87 NULL
  88 };
  89
  90 #ifndef NOPROTO
  91 static SSL_SESSION *load_sess_id(char *file, int format);
  92 #else
  93 static SSL_SESSION *load_sess_id();
  94 #endif
  95
  96 int MAIN(argc, argv)
  97 int argc;
  98 char **argv;
  99         {
 100         SSL_SESSION *x=NULL;
 101         int ret=1,i,num,badops=0;
 102         BIO *out=NULL;
 103         int informat,outformat;
 104         char *infile=NULL,*outfile=NULL;
 105         int cert=0,noout=0,text=0;
 106         char **pp;
 107
 108         apps_startup();
 109
 110         if (bio_err == NULL)
 111                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 112                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
 113
 114         informat=FORMAT_PEM;
 115         outformat=FORMAT_PEM;
 116
 117         argc--;
 118         argv++;
 119         num=0;
 120         while (argc >= 1)
 121                 {
 122                 if      (strcmp(*argv,"-inform") == 0)
 123                         {
 124                         if (--argc < 1) goto bad;
 125                         informat=str2fmt(*(++argv));
 126                         }
 127                 else if (strcmp(*argv,"-outform") == 0)
 128                         {
 129                         if (--argc < 1) goto bad;
 130                         outformat=str2fmt(*(++argv));
 131                         }
 132                 else if (strcmp(*argv,"-in") == 0)
 133                         {
 134                         if (--argc < 1) goto bad;
 135                         infile= *(++argv);
 136                         }
 137                 else if (strcmp(*argv,"-out") == 0)
 138                         {
 139                         if (--argc < 1) goto bad;
 140                         outfile= *(++argv);
 141                         }
 142                 else if (strcmp(*argv,"-text") == 0)
 143                         text= ++num;
 144                 else if (strcmp(*argv,"-cert") == 0)
 145                         cert= ++num;
 146                 else if (strcmp(*argv,"-noout") == 0)
 147                         noout= ++num;
 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                 for (pp=sess_id_usage; (*pp != NULL); pp++)
 162                         BIO_printf(bio_err,*pp);
 163                 goto end;
 164                 }
 165
 166         ERR_load_crypto_strings();
 167         x=load_sess_id(infile,informat);
 168         if (x == NULL) { goto end; }
 169
 170 #ifdef undef
 171         /* just testing for memory leaks :-) */
 172         {
 173         SSL_SESSION *s;
 174         char buf[1024*10],*p;
 175         int i;
 176
 177         s=SSL_SESSION_new();
 178
 179         p= &buf;
 180         i=i2d_SSL_SESSION(x,&p);
 181         p= &buf;
 182         d2i_SSL_SESSION(&s,&p,(long)i);
 183         p= &buf;
 184         d2i_SSL_SESSION(&s,&p,(long)i);
 185         p= &buf;
 186         d2i_SSL_SESSION(&s,&p,(long)i);
 187         SSL_SESSION_free(s);
 188         }
 189 #endif
 190
 191         if (!noout || text)
 192                 {
 193                 out=BIO_new(BIO_s_file());
 194                 if (out == NULL)
 195                         {
 196                         ERR_print_errors(bio_err);
 197                         goto end;
 198                         }
 199
 200                 if (outfile == NULL)
 201                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 202                 else
 203                         {
 204                         if (BIO_write_filename(out,outfile) <= 0)
 205                                 {
 206                                 perror(outfile);
 207                                 goto end;
 208                                 }
 209                         }
 210                 }
 211
 212         if (text)
 213                 {
 214                 SSL_SESSION_print(out,x);
 215
 216                 if (cert)
 217                         {
 218                         if (x->peer == NULL)
 219                                 BIO_puts(out,"No certificate present\n");
 220                         else
 221                                 X509_print(out,x->peer);
 222                         }
 223                 }
 224
 225         if (!noout && !cert)
 226                 {
 227                 if      (outformat == FORMAT_ASN1)
 228                         i=(int)i2d_SSL_SESSION_bio(out,x);
 229                 else if (outformat == FORMAT_PEM)
 230                         i=PEM_write_bio_SSL_SESSION(out,x);
 231                 else    {
 232                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 233                         goto end;
 234                         }
 235                 if (!i) {
 236                         BIO_printf(bio_err,"unable to write SSL_SESSION\n");
 237                         goto end;
 238                         }
 239                 }
 240         else if (!noout && (x->peer != NULL)) /* just print the certificate */
 241                 {
 242                 if      (outformat == FORMAT_ASN1)
 243                         i=(int)i2d_X509_bio(out,x->peer);
 244                 else if (outformat == FORMAT_PEM)
 245                         i=PEM_write_bio_X509(out,x->peer);
 246                 else    {
 247                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 248                         goto end;
 249                         }
 250                 if (!i) {
 251                         BIO_printf(bio_err,"unable to write X509\n");
 252                         goto end;
 253                         }
 254                 }
 255         ret=0;
 256 end:
 257         if (out != NULL) BIO_free(out);
 258         if (x != NULL) SSL_SESSION_free(x);
 259         EXIT(ret);
 260         }
 261
 262 static SSL_SESSION *load_sess_id(infile, format)
 263 char *infile;
 264 int format;
 265         {
 266         SSL_SESSION *x=NULL;
 267         BIO *in=NULL;
 268
 269         in=BIO_new(BIO_s_file());
 270         if (in == NULL)
 271                 {
 272                 ERR_print_errors(bio_err);
 273                 goto end;
 274                 }
 275
 276         if (infile == NULL)
 277                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 278         else
 279                 {
 280                 if (BIO_read_filename(in,infile) <= 0)
 281                         {
 282                         perror(infile);
 283                         goto end;
 284                         }
 285                 }
 286         if      (format == FORMAT_ASN1)
 287                 x=d2i_SSL_SESSION_bio(in,NULL);
 288         else if (format == FORMAT_PEM)
 289                 x=PEM_read_bio_SSL_SESSION(in,NULL,NULL);
 290         else    {
 291                 BIO_printf(bio_err,"bad input format specified for input crl\n");
 292                 goto end;
 293                 }
 294         if (x == NULL)
 295                 {
 296                 BIO_printf(bio_err,"unable to load SSL_SESSION\n");
 297                 ERR_print_errors(bio_err);
 298                 goto end;
 299                 }
 300
 301 end:
 302         if (in != NULL) BIO_free(in);
 303         return(x);
 304         }
 305