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 const char *sess_id_usage[]={
  73 "usage: sess_id args\n",
  74 "\n",
  75 " -inform arg     - input format - default PEM (DER 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
  88 int MAIN(int, char **);
  89
  90 int MAIN(int argc, char **argv)
  91         {
  92         SSL_SESSION *x=NULL;
  93         int ret=1,i,num,badops=0;
  94         BIO *out=NULL;
  95         int informat,outformat;
  96         char *infile=NULL,*outfile=NULL,*context=NULL;
  97         int cert=0,noout=0,text=0;
  98         const char **pp;
  99
 100         apps_startup();
 101
 102         if (bio_err == NULL)
 103                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 104                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 105
 106         informat=FORMAT_PEM;
 107         outformat=FORMAT_PEM;
 108
 109         argc--;
 110         argv++;
 111         num=0;
 112         while (argc >= 1)
 113                 {
 114                 if      (strcmp(*argv,"-inform") == 0)
 115                         {
 116                         if (--argc < 1) goto bad;
 117                         informat=str2fmt(*(++argv));
 118                         }
 119                 else if (strcmp(*argv,"-outform") == 0)
 120                         {
 121                         if (--argc < 1) goto bad;
 122                         outformat=str2fmt(*(++argv));
 123                         }
 124                 else if (strcmp(*argv,"-in") == 0)
 125                         {
 126                         if (--argc < 1) goto bad;
 127                         infile= *(++argv);
 128                         }
 129                 else if (strcmp(*argv,"-out") == 0)
 130                         {
 131                         if (--argc < 1) goto bad;
 132                         outfile= *(++argv);
 133                         }
 134                 else if (strcmp(*argv,"-text") == 0)
 135                         text= ++num;
 136                 else if (strcmp(*argv,"-cert") == 0)
 137                         cert= ++num;
 138                 else if (strcmp(*argv,"-noout") == 0)
 139                         noout= ++num;
 140                 else if (strcmp(*argv,"-context") == 0)
 141                     {
 142                     if(--argc < 1) goto bad;
 143                     context=*++argv;
 144                     }
 145                 else
 146                         {
 147                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 148                         badops=1;
 149                         break;
 150                         }
 151                 argc--;
 152                 argv++;
 153                 }
 154
 155         if (badops)
 156                 {
 157 bad:
 158                 for (pp=sess_id_usage; (*pp != NULL); pp++)
 159                         BIO_printf(bio_err,"%s",*pp);
 160                 goto end;
 161                 }
 162
 163         ERR_load_crypto_strings();
 164         x=load_sess_id(infile,informat);
 165         if (x == NULL) { goto end; }
 166
 167         if(context)
 168             {
 169             x->sid_ctx_length=strlen(context);
 170             if(x->sid_ctx_length > SSL_MAX_SID_CTX_LENGTH)
 171                 {
 172                 BIO_printf(bio_err,"Context too long\n");
 173                 goto end;
 174                 }
 175             memcpy(x->sid_ctx,context,x->sid_ctx_length);
 176             }
 177
 178 #ifdef undef
 179         /* just testing for memory leaks :-) */
 180         {
 181         SSL_SESSION *s;
 182         char buf[1024*10],*p;
 183         int i;
 184
 185         s=SSL_SESSION_new();
 186
 187         p= &buf;
 188         i=i2d_SSL_SESSION(x,&p);
 189         p= &buf;
 190         d2i_SSL_SESSION(&s,&p,(long)i);
 191         p= &buf;
 192         d2i_SSL_SESSION(&s,&p,(long)i);
 193         p= &buf;
 194         d2i_SSL_SESSION(&s,&p,(long)i);
 195         SSL_SESSION_free(s);
 196         }
 197 #endif
 198
 199         if (!noout || text)
 200                 {
 201                 out=BIO_new(BIO_s_file());
 202                 if (out == NULL)
 203                         {
 204                         ERR_print_errors(bio_err);
 205                         goto end;
 206                         }
 207
 208                 if (outfile == NULL)
 209                         {
 210                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 211 #ifdef OPENSSL_SYS_VMS
 212                         {
 213                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 214                         out = BIO_push(tmpbio, out);
 215                         }
 216 #endif
 217                         }
 218                 else
 219                         {
 220                         if (BIO_write_filename(out,outfile) <= 0)
 221                                 {
 222                                 perror(outfile);
 223                                 goto end;
 224                                 }
 225                         }
 226                 }
 227
 228         if (text)
 229                 {
 230                 SSL_SESSION_print(out,x);
 231
 232                 if (cert)
 233                         {
 234                         if (x->peer == NULL)
 235                                 BIO_puts(out,"No certificate present\n");
 236                         else
 237                                 X509_print(out,x->peer);
 238                         }
 239                 }
 240
 241         if (!noout && !cert)
 242                 {
 243                 if      (outformat == FORMAT_ASN1)
 244                         i=i2d_SSL_SESSION_bio(out,x);
 245                 else if (outformat == FORMAT_PEM)
 246                         i=PEM_write_bio_SSL_SESSION(out,x);
 247                 else    {
 248                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 249                         goto end;
 250                         }
 251                 if (!i) {
 252                         BIO_printf(bio_err,"unable to write SSL_SESSION\n");
 253                         goto end;
 254                         }
 255                 }
 256         else if (!noout && (x->peer != NULL)) /* just print the certificate */
 257                 {
 258                 if      (outformat == FORMAT_ASN1)
 259                         i=(int)i2d_X509_bio(out,x->peer);
 260                 else if (outformat == FORMAT_PEM)
 261                         i=PEM_write_bio_X509(out,x->peer);
 262                 else    {
 263                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 264                         goto end;
 265                         }
 266                 if (!i) {
 267                         BIO_printf(bio_err,"unable to write X509\n");
 268                         goto end;
 269                         }
 270                 }
 271         ret=0;
 272 end:
 273         if (out != NULL) BIO_free_all(out);
 274         if (x != NULL) SSL_SESSION_free(x);
 275         apps_shutdown();
 276         OPENSSL_EXIT(ret);
 277         }
 278
 279 static SSL_SESSION *load_sess_id(char *infile, int format)
 280         {
 281         SSL_SESSION *x=NULL;
 282         BIO *in=NULL;
 283
 284         in=BIO_new(BIO_s_file());
 285         if (in == NULL)
 286                 {
 287                 ERR_print_errors(bio_err);
 288                 goto end;
 289                 }
 290
 291         if (infile == NULL)
 292                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 293         else
 294                 {
 295                 if (BIO_read_filename(in,infile) <= 0)
 296                         {
 297                         perror(infile);
 298                         goto end;
 299                         }
 300                 }
 301         if      (format == FORMAT_ASN1)
 302                 x=d2i_SSL_SESSION_bio(in,NULL);
 303         else if (format == FORMAT_PEM)
 304                 x=PEM_read_bio_SSL_SESSION(in,NULL,NULL,NULL);
 305         else    {
 306                 BIO_printf(bio_err,"bad input format specified for input crl\n");
 307                 goto end;
 308                 }
 309         if (x == NULL)
 310                 {
 311                 BIO_printf(bio_err,"unable to load SSL_SESSION\n");
 312                 ERR_print_errors(bio_err);
 313                 goto end;
 314                 }
 315
 316 end:
 317         if (in != NULL) BIO_free(in);
 318         return(x);
 319         }
 320