crypto/external/bsd/openssl/dist/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     X509 *peer = NULL;
  94     int ret = 1, i, num, badops = 0;
  95     BIO *out = NULL;
  96     int informat, outformat;
  97     char *infile = NULL, *outfile = NULL, *context = NULL;
  98     int cert = 0, noout = 0, text = 0;
  99     const char **pp;
 100
 101     apps_startup();
 102
 103     if (bio_err == NULL)
 104         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 105             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 106
 107     informat = FORMAT_PEM;
 108     outformat = FORMAT_PEM;
 109
 110     argc--;
 111     argv++;
 112     num = 0;
 113     while (argc >= 1) {
 114         if (strcmp(*argv, "-inform") == 0) {
 115             if (--argc < 1)
 116                 goto bad;
 117             informat = str2fmt(*(++argv));
 118         } else if (strcmp(*argv, "-outform") == 0) {
 119             if (--argc < 1)
 120                 goto bad;
 121             outformat = str2fmt(*(++argv));
 122         } else if (strcmp(*argv, "-in") == 0) {
 123             if (--argc < 1)
 124                 goto bad;
 125             infile = *(++argv);
 126         } else if (strcmp(*argv, "-out") == 0) {
 127             if (--argc < 1)
 128                 goto bad;
 129             outfile = *(++argv);
 130         } else if (strcmp(*argv, "-text") == 0)
 131             text = ++num;
 132         else if (strcmp(*argv, "-cert") == 0)
 133             cert = ++num;
 134         else if (strcmp(*argv, "-noout") == 0)
 135             noout = ++num;
 136         else if (strcmp(*argv, "-context") == 0) {
 137             if (--argc < 1)
 138                 goto bad;
 139             context = *++argv;
 140         } else {
 141             BIO_printf(bio_err, "unknown option %s\n", *argv);
 142             badops = 1;
 143             break;
 144         }
 145         argc--;
 146         argv++;
 147     }
 148
 149     if (badops) {
 150  bad:
 151         for (pp = sess_id_usage; (*pp != NULL); pp++)
 152             BIO_printf(bio_err, "%s", *pp);
 153         goto end;
 154     }
 155
 156     ERR_load_crypto_strings();
 157     x = load_sess_id(infile, informat);
 158     if (x == NULL) {
 159         goto end;
 160     }
 161     peer = SSL_SESSION_get0_peer(x);
 162
 163     if (context) {
 164         size_t ctx_len = strlen(context);
 165         if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
 166             BIO_printf(bio_err, "Context too long\n");
 167             goto end;
 168         }
 169         SSL_SESSION_set1_id_context(x, (unsigned char *)context, ctx_len);
 170     }
 171 #ifdef undef
 172     /* just testing for memory leaks :-) */
 173     {
 174         SSL_SESSION *s;
 175         char buf[1024 * 10], *p;
 176         int i;
 177
 178         s = SSL_SESSION_new();
 179
 180         p = &buf;
 181         i = i2d_SSL_SESSION(x, &p);
 182         p = &buf;
 183         d2i_SSL_SESSION(&s, &p, (long)i);
 184         p = &buf;
 185         d2i_SSL_SESSION(&s, &p, (long)i);
 186         p = &buf;
 187         d2i_SSL_SESSION(&s, &p, (long)i);
 188         SSL_SESSION_free(s);
 189     }
 190 #endif
 191
 192     if (!noout || text) {
 193         out = BIO_new(BIO_s_file());
 194         if (out == NULL) {
 195             ERR_print_errors(bio_err);
 196             goto end;
 197         }
 198
 199         if (outfile == NULL) {
 200             BIO_set_fp(out, stdout, BIO_NOCLOSE);
 201 #ifdef OPENSSL_SYS_VMS
 202             {
 203                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 204                 out = BIO_push(tmpbio, out);
 205             }
 206 #endif
 207         } else {
 208             if (BIO_write_filename(out, outfile) <= 0) {
 209                 perror(outfile);
 210                 goto end;
 211             }
 212         }
 213     }
 214
 215     if (text) {
 216         SSL_SESSION_print(out, x);
 217
 218         if (cert) {
 219             if (peer == NULL)
 220                 BIO_puts(out, "No certificate present\n");
 221             else
 222                 X509_print(out, peer);
 223         }
 224     }
 225
 226     if (!noout && !cert) {
 227         if (outformat == FORMAT_ASN1)
 228             i = 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     } else if (!noout && (peer != NULL)) { /* just print the certificate */
 240         if (outformat == FORMAT_ASN1)
 241             i = (int)i2d_X509_bio(out, peer);
 242         else if (outformat == FORMAT_PEM)
 243             i = PEM_write_bio_X509(out, peer);
 244         else {
 245             BIO_printf(bio_err, "bad output format specified for outfile\n");
 246             goto end;
 247         }
 248         if (!i) {
 249             BIO_printf(bio_err, "unable to write X509\n");
 250             goto end;
 251         }
 252     }
 253     ret = 0;
 254  end:
 255     if (out != NULL)
 256         BIO_free_all(out);
 257     if (x != NULL)
 258         SSL_SESSION_free(x);
 259     apps_shutdown();
 260     OPENSSL_EXIT(ret);
 261 }
 262
 263 static SSL_SESSION *load_sess_id(char *infile, int format)
 264 {
 265     SSL_SESSION *x = NULL;
 266     BIO *in = NULL;
 267
 268     in = BIO_new(BIO_s_file());
 269     if (in == NULL) {
 270         ERR_print_errors(bio_err);
 271         goto end;
 272     }
 273
 274     if (infile == NULL)
 275         BIO_set_fp(in, stdin, BIO_NOCLOSE);
 276     else {
 277         if (BIO_read_filename(in, infile) <= 0) {
 278             perror(infile);
 279             goto end;
 280         }
 281     }
 282     if (format == FORMAT_ASN1)
 283         x = d2i_SSL_SESSION_bio(in, NULL);
 284     else if (format == FORMAT_PEM)
 285         x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
 286     else {
 287         BIO_printf(bio_err, "bad input format specified for input crl\n");
 288         goto end;
 289     }
 290     if (x == NULL) {
 291         BIO_printf(bio_err, "unable to load SSL_SESSION\n");
 292         ERR_print_errors(bio_err);
 293         goto end;
 294     }
 295
 296  end:
 297     if (in != NULL)
 298         BIO_free(in);
 299     return (x);
 300 }