bin/openssl/errstr.c

   1 /* $OpenBSD: errstr.c,v 1.6 2015/10/17 15:00:11 doug Exp $ */
   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 <limits.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63
  64 #include "apps.h"
  65
  66 #include <openssl/bio.h>
  67 #include <openssl/err.h>
  68 #include <openssl/lhash.h>
  69 #include <openssl/ssl.h>
  70
  71 struct {
  72         int stats;
  73 } errstr_config;
  74
  75 struct option errstr_options[] = {
  76         {
  77                 .name = "stats",
  78                 .desc = "Print debugging statistics for the hash table",
  79                 .type = OPTION_FLAG,
  80                 .opt.flag = &errstr_config.stats,
  81         },
  82         { NULL },
  83 };
  84
  85 static void
  86 errstr_usage()
  87 {
  88         fprintf(stderr, "usage: errstr [-stats] errno ...\n");
  89         options_usage(errstr_options);
  90 }
  91
  92 int
  93 errstr_main(int argc, char **argv)
  94 {
  95         unsigned long ulval;
  96         char *ularg, *ep;
  97         int argsused, i;
  98         char buf[256];
  99         int ret = 0;
 100
 101         if (single_execution) {
 102                 if (pledge("stdio rpath", NULL) == -1) {
 103                         perror("pledge");
 104                         exit(1);
 105                 }
 106         }
 107
 108         memset(&errstr_config, 0, sizeof(errstr_config));
 109
 110         if (options_parse(argc, argv, errstr_options, NULL, &argsused) != 0) {
 111                 errstr_usage();
 112                 return (1);
 113         }
 114
 115         if (errstr_config.stats) {
 116                 BIO *out;
 117
 118                 if ((out = BIO_new_fp(stdout, BIO_NOCLOSE)) == NULL) {
 119                         fprintf(stderr, "Out of memory");
 120                         return (1);
 121                 }
 122
 123                 lh_ERR_STRING_DATA_node_stats_bio(ERR_get_string_table(), out);
 124                 lh_ERR_STRING_DATA_stats_bio(ERR_get_string_table(), out);
 125                 lh_ERR_STRING_DATA_node_usage_stats_bio(
 126                             ERR_get_string_table(), out);
 127
 128                 BIO_free_all(out);
 129         }
 130
 131         for (i = argsused; i < argc; i++) {
 132                 errno = 0;
 133                 ularg = argv[i];
 134                 ulval = strtoul(ularg, &ep, 16);
 135                 if (strchr(ularg, '-') != NULL ||
 136                     (ularg[0] == '\0' || *ep != '\0') ||
 137                     (errno == ERANGE && ulval == ULONG_MAX)) {
 138                         printf("%s: bad error code\n", ularg);
 139                         ret++;
 140                         continue;
 141                 }
 142
 143                 ERR_error_string_n(ulval, buf, sizeof(buf));
 144                 printf("%s\n", buf);
 145         }
 146
 147         return (ret);
 148 }