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 <openssl/bio.h>
  64 #include <openssl/err.h>
  65 #include <openssl/x509.h>
  66 #include <openssl/pem.h>
  67 #include <openssl/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 static SSL_SESSION *load_sess_id(char *file, int format);
  87 int MAIN(int argc, char **argv)
  88         {
  89         SSL_SESSION *x=NULL;
  90         int ret=1,i,num,badops=0;
  91         BIO *out=NULL;
  92         int informat,outformat;
  93         char *infile=NULL,*outfile=NULL,*context=NULL;
  94         int cert=0,noout=0,text=0;
  95         char **pp;
  96
  97         apps_startup();
  98
  99         if (bio_err == NULL)
 100                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 101                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 102
 103         informat=FORMAT_PEM;
 104         outformat=FORMAT_PEM;
 105
 106         argc--;
 107         argv++;
 108         num=0;
 109         while (argc >= 1)
 110                 {
 111                 if      (strcmp(*argv,"-inform") == 0)
 112                         {
 113                         if (--argc < 1) goto bad;
 114                         informat=str2fmt(*(++argv));
 115                         }
 116                 else if (strcmp(*argv,"-outform") == 0)
 117                         {
 118                         if (--argc < 1) goto bad;
 119                         outformat=str2fmt(*(++argv));
 120                         }
 121                 else if (strcmp(*argv,"-in") == 0)
 122                         {
 123                         if (--argc < 1) goto bad;
 124                         infile= *(++argv);
 125                         }
 126                 else if (strcmp(*argv,"-out") == 0)
 127                         {
 128                         if (--argc < 1) goto bad;
 129                         outfile= *(++argv);
 130                         }
 131                 else if (strcmp(*argv,"-text") == 0)
 132                         text= ++num;
 133                 else if (strcmp(*argv,"-cert") == 0)
 134                         cert= ++num;
 135                 else if (strcmp(*argv,"-noout") == 0)
 136                         noout= ++num;
 137                 else if (strcmp(*argv,"-context") == 0)
 138                     {
 139                     if(--argc < 1) goto bad;
 140                     context=*++argv;
 141                     }
 142                 else
 143                         {
 144                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 145                         badops=1;
 146                         break;
 147                         }
 148                 argc--;
 149                 argv++;
 150                 }
 151
 152         if (badops)
 153                 {
 154 bad:
 155                 for (pp=sess_id_usage; (*pp != NULL); pp++)
 156                         BIO_printf(bio_err,*pp);
 157                 goto end;
 158                 }
 159
 160         ERR_load_crypto_strings();
 161         x=load_sess_id(infile,informat);
 162         if (x == NULL) { goto end; }
 163
 164         if(context)
 165             {
 166             x->sid_ctx_length=strlen(context);
 167             if(x->sid_ctx_length > SSL_MAX_SID_CTX_LENGTH)
 168                 {
 169                 BIO_printf(bio_err,"Context too long\n");
 170                 goto end;
 171                 }
 172             memcpy(x->sid_ctx,context,x->sid_ctx_length);
 173             }
 174
 175 #ifdef undef
 176         /* just testing for memory leaks :-) */
 177         {
 178         SSL_SESSION *s;
 179         char buf[1024*10],*p;
 180         int i;
 181
 182         s=SSL_SESSION_new();
 183
 184         p= &buf;
 185         i=i2d_SSL_SESSION(x,&p);
 186         p= &buf;
 187         d2i_SSL_SESSION(&s,&p,(long)i);
 188         p= &buf;
 189         d2i_SSL_SESSION(&s,&p,(long)i);
 190         p= &buf;
 191         d2i_SSL_SESSION(&s,&p,(long)i);
 192         SSL_SESSION_free(s);
 193         }
 194 #endif
 195
 196         if (!noout || text)
 197                 {
 198                 out=BIO_new(BIO_s_file());
 199                 if (out == NULL)
 200                         {
 201                         ERR_print_errors(bio_err);
 202                         goto end;
 203                         }
 204
 205                 if (outfile == NULL)
 206                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 207                 else
 208                         {
 209                         if (BIO_write_filename(out,outfile) <= 0)
 210                                 {
 211                                 perror(outfile);
 212                                 goto end;
 213                                 }
 214                         }
 215                 }
 216
 217         if (text)
 218                 {
 219                 SSL_SESSION_print(out,x);
 220
 221                 if (cert)
 222                         {
 223                         if (x->peer == NULL)
 224                                 BIO_puts(out,"No certificate present\n");
 225                         else
 226                                 X509_print(out,x->peer);
 227                         }
 228                 }
 229
 230         if (!noout && !cert)
 231                 {
 232                 if      (outformat == FORMAT_ASN1)
 233                         i=(int)i2d_SSL_SESSION_bio(out,x);
 234                 else if (outformat == FORMAT_PEM)
 235                         i=PEM_write_bio_SSL_SESSION(out,x);
 236                 else    {
 237                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 238                         goto end;
 239                         }
 240                 if (!i) {
 241                         BIO_printf(bio_err,"unable to write SSL_SESSION\n");
 242                         goto end;
 243                         }
 244                 }
 245         else if (!noout && (x->peer != NULL)) /* just print the certificate */
 246                 {
 247                 if      (outformat == FORMAT_ASN1)
 248                         i=(int)i2d_X509_bio(out,x->peer);
 249                 else if (outformat == FORMAT_PEM)
 250                         i=PEM_write_bio_X509(out,x->peer);
 251                 else    {
 252                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 253                         goto end;
 254                         }
 255                 if (!i) {
 256                         BIO_printf(bio_err,"unable to write X509\n");
 257                         goto end;
 258                         }
 259                 }
 260         ret=0;
 261 end:
 262         if (out != NULL) BIO_free(out);
 263         if (x != NULL) SSL_SESSION_free(x);
 264         EXIT(ret);
 265         }
 266
 267 static SSL_SESSION *load_sess_id(char *infile, int format)
 268         {
 269         SSL_SESSION *x=NULL;
 270         BIO *in=NULL;
 271
 272         in=BIO_new(BIO_s_file());
 273         if (in == NULL)
 274                 {
 275                 ERR_print_errors(bio_err);
 276                 goto end;
 277                 }
 278
 279         if (infile == NULL)
 280                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 281         else
 282                 {
 283                 if (BIO_read_filename(in,infile) <= 0)
 284                         {
 285                         perror(infile);
 286                         goto end;
 287                         }
 288                 }
 289         if      (format == FORMAT_ASN1)
 290                 x=d2i_SSL_SESSION_bio(in,NULL);
 291         else if (format == FORMAT_PEM)
 292                 x=PEM_read_bio_SSL_SESSION(in,NULL,NULL,NULL);
 293         else    {
 294                 BIO_printf(bio_err,"bad input format specified for input crl\n");
 295                 goto end;
 296                 }
 297         if (x == NULL)
 298                 {
 299                 BIO_printf(bio_err,"unable to load SSL_SESSION\n");
 300                 ERR_print_errors(bio_err);
 301                 goto end;
 302                 }
 303
 304 end:
 305         if (in != NULL) BIO_free(in);
 306         return(x);
 307         }
 308