apps/sess_id.c

   1 /* apps/sess_id.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 "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 static char *sess_id_usage[]={
  73 "usage: sess_id args\n",
  74 "\n",
  75 " -inform arg     - input format - default PEM (one of DER, TXT or PEM)\n",
  76 " -outform arg    - output format - default PEM\n",
  77 " -in arg         - input file - default stdin\n",
  78 " -out arg        - output file - default stdout\n",
  79 " -text           - print ssl session id details\n",
  80 " -cert           - output certificate \n",
  81 " -noout          - no CRL output\n",
  82 " -context arg    - set the session ID context\n",
  83 NULL
  84 };
  85
  86 #ifndef NOPROTO
  87 static SSL_SESSION *load_sess_id(char *file, int format);
  88 #else
  89 static SSL_SESSION *load_sess_id();
  90 #endif
  91
  92 int MAIN(argc, argv)
  93 int argc;
  94 char **argv;
  95         {
  96         SSL_SESSION *x=NULL;
  97         int ret=1,i,num,badops=0;
  98         BIO *out=NULL;
  99         int informat,outformat;
 100         char *infile=NULL,*outfile=NULL,*context=NULL;
 101         int cert=0,noout=0,text=0;
 102         char **pp;
 103
 104         apps_startup();
 105
 106         if (bio_err == NULL)
 107                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 108                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 109
 110         informat=FORMAT_PEM;
 111         outformat=FORMAT_PEM;
 112
 113         argc--;
 114         argv++;
 115         num=0;
 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,"-text") == 0)
 139                         text= ++num;
 140                 else if (strcmp(*argv,"-cert") == 0)
 141                         cert= ++num;
 142                 else if (strcmp(*argv,"-noout") == 0)
 143                         noout= ++num;
 144                 else if (strcmp(*argv,"-context") == 0)
 145                     {
 146                     if(--argc < 1) goto bad;
 147                     context=*++argv;
 148                     }
 149                 else
 150                         {
 151                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 152                         badops=1;
 153                         break;
 154                         }
 155                 argc--;
 156                 argv++;
 157                 }
 158
 159         if (badops)
 160                 {
 161 bad:
 162                 for (pp=sess_id_usage; (*pp != NULL); pp++)
 163                         BIO_printf(bio_err,*pp);
 164                 goto end;
 165                 }
 166
 167         ERR_load_crypto_strings();
 168         x=load_sess_id(infile,informat);
 169         if (x == NULL) { goto end; }
 170
 171         if(context)
 172             {
 173             x->sid_ctx_length=strlen(context);
 174             if(x->sid_ctx_length > SSL_MAX_SID_CTX_LENGTH)
 175                 {
 176                 BIO_printf(bio_err,"Context too long\n");
 177                 goto end;
 178                 }
 179             memcpy(x->sid_ctx,context,x->sid_ctx_length);
 180             }
 181
 182 #ifdef undef
 183         /* just testing for memory leaks :-) */
 184         {
 185         SSL_SESSION *s;
 186         char buf[1024*10],*p;
 187         int i;
 188
 189         s=SSL_SESSION_new();
 190
 191         p= &buf;
 192         i=i2d_SSL_SESSION(x,&p);
 193         p= &buf;
 194         d2i_SSL_SESSION(&s,&p,(long)i);
 195         p= &buf;
 196         d2i_SSL_SESSION(&s,&p,(long)i);
 197         p= &buf;
 198         d2i_SSL_SESSION(&s,&p,(long)i);
 199         SSL_SESSION_free(s);
 200         }
 201 #endif
 202
 203         if (!noout || text)
 204                 {
 205                 out=BIO_new(BIO_s_file());
 206                 if (out == NULL)
 207                         {
 208                         ERR_print_errors(bio_err);
 209                         goto end;
 210                         }
 211
 212                 if (outfile == NULL)
 213                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 214                 else
 215                         {
 216                         if (BIO_write_filename(out,outfile) <= 0)
 217                                 {
 218                                 perror(outfile);
 219                                 goto end;
 220                                 }
 221                         }
 222                 }
 223
 224         if (text)
 225                 {
 226                 SSL_SESSION_print(out,x);
 227
 228                 if (cert)
 229                         {
 230                         if (x->peer == NULL)
 231                                 BIO_puts(out,"No certificate present\n");
 232                         else
 233                                 X509_print(out,x->peer);
 234                         }
 235                 }
 236
 237         if (!noout && !cert)
 238                 {
 239                 if      (outformat == FORMAT_ASN1)
 240                         i=(int)i2d_SSL_SESSION_bio(out,x);
 241                 else if (outformat == FORMAT_PEM)
 242                         i=PEM_write_bio_SSL_SESSION(out,x);
 243                 else    {
 244                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 245                         goto end;
 246                         }
 247                 if (!i) {
 248                         BIO_printf(bio_err,"unable to write SSL_SESSION\n");
 249                         goto end;
 250                         }
 251                 }
 252         else if (!noout && (x->peer != NULL)) /* just print the certificate */
 253                 {
 254                 if      (outformat == FORMAT_ASN1)
 255                         i=(int)i2d_X509_bio(out,x->peer);
 256                 else if (outformat == FORMAT_PEM)
 257                         i=PEM_write_bio_X509(out,x->peer);
 258                 else    {
 259                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 260                         goto end;
 261                         }
 262                 if (!i) {
 263                         BIO_printf(bio_err,"unable to write X509\n");
 264                         goto end;
 265                         }
 266                 }
 267         ret=0;
 268 end:
 269         if (out != NULL) BIO_free(out);
 270         if (x != NULL) SSL_SESSION_free(x);
 271         EXIT(ret);
 272         }
 273
 274 static SSL_SESSION *load_sess_id(infile, format)
 275 char *infile;
 276 int format;
 277         {
 278         SSL_SESSION *x=NULL;
 279         BIO *in=NULL;
 280
 281         in=BIO_new(BIO_s_file());
 282         if (in == NULL)
 283                 {
 284                 ERR_print_errors(bio_err);
 285                 goto end;
 286                 }
 287
 288         if (infile == NULL)
 289                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 290         else
 291                 {
 292                 if (BIO_read_filename(in,infile) <= 0)
 293                         {
 294                         perror(infile);
 295                         goto end;
 296                         }
 297                 }
 298         if      (format == FORMAT_ASN1)
 299                 x=d2i_SSL_SESSION_bio(in,NULL);
 300         else if (format == FORMAT_PEM)
 301                 x=PEM_read_bio_SSL_SESSION(in,NULL,NULL);
 302         else    {
 303                 BIO_printf(bio_err,"bad input format specified for input crl\n");
 304                 goto end;
 305                 }
 306         if (x == NULL)
 307                 {
 308                 BIO_printf(bio_err,"unable to load SSL_SESSION\n");
 309                 ERR_print_errors(bio_err);
 310                 goto end;
 311                 }
 312
 313 end:
 314         if (in != NULL) BIO_free(in);
 315         return(x);
 316         }
 317