apps/errstr.c

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <string.h>
  61 #include "apps.h"
  62 #include <openssl/bio.h>
  63 #include <openssl/lhash.h>
  64 #include <openssl/err.h>
  65 #include <openssl/ssl.h>
  66
  67 typedef enum OPTION_choice {
  68     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  69     OPT_STATS
  70 } OPTION_CHOICE;
  71
  72 OPTIONS errstr_options[] = {
  73     {OPT_HELP_STR, 1, '-', "Usage: %s [options] errnum...\n"},
  74     {OPT_HELP_STR, 1, '-', "  errnum  Error number\n"},
  75     {"help", OPT_HELP, '-', "Display this summary"},
  76     {"stats", OPT_STATS, '-',
  77      "Print internal hashtable statistics (long!)"},
  78     {NULL}
  79 };
  80
  81 int errstr_main(int argc, char **argv)
  82 {
  83     OPTION_CHOICE o;
  84     char buf[256], *prog;
  85     int ret = 1;
  86     unsigned long l;
  87
  88     prog = opt_init(argc, argv, errstr_options);
  89     while ((o = opt_next()) != OPT_EOF) {
  90         switch (o) {
  91         case OPT_EOF:
  92         case OPT_ERR:
  93             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  94             goto end;
  95         case OPT_HELP:
  96             opt_help(errstr_options);
  97             ret = 0;
  98             goto end;
  99         case OPT_STATS:
 100             lh_ERR_STRING_DATA_node_stats_bio(ERR_get_string_table(),
 101                                               bio_out);
 102             lh_ERR_STRING_DATA_stats_bio(ERR_get_string_table(), bio_out);
 103             lh_ERR_STRING_DATA_node_usage_stats_bio(ERR_get_string_table(),
 104                                                     bio_out);
 105             ret = 0;
 106             goto end;
 107         }
 108     }
 109
 110     ret = 0;
 111     for (argv = opt_rest(); *argv; argv++) {
 112         if (sscanf(*argv, "%lx", &l) == 0)
 113             ret++;
 114         else {
 115             /* We're not really an SSL application so this won't auto-init, but
 116              * we're still interested in SSL error strings
 117              */
 118             OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
 119                              | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
 120             ERR_error_string_n(l, buf, sizeof buf);
 121             BIO_printf(bio_out, "%s\n", buf);
 122         }
 123     }
 124  end:
 125     return (ret);
 126 }