errstr.c

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/* apps/errstr.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/lhash.h>
#include <openssl/err.h>
#include <openssl/ssl.h>

#undef PROG
#define PROG    errstr_main

int MAIN(int, char **);

int MAIN(int argc, char **argv)
        {
        int i,ret=0;
        char buf[256];
        unsigned long l;

        apps_startup();

        if (bio_err == NULL)
                if ((bio_err=BIO_new(BIO_s_file())) != NULL)
                        BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

        SSL_load_error_strings();

        if ((argc > 1) && (strcmp(argv[1],"-stats") == 0))
                {
                BIO *out=NULL;

                out=BIO_new(BIO_s_file());
                if ((out != NULL) && BIO_set_fp(out,stdout,BIO_NOCLOSE))
                        {
#ifdef OPENSSL_SYS_VMS
                        {
                        BIO *tmpbio = BIO_new(BIO_f_linebuffer());
                        out = BIO_push(tmpbio, out);
                        }
#endif
                        lh_node_stats_bio((LHASH *)ERR_get_string_table(),out);
                        lh_stats_bio((LHASH *)ERR_get_string_table(),out);
                        lh_node_usage_stats_bio((LHASH *)
                                ERR_get_string_table(),out);
                        }
                if (out != NULL) BIO_free_all(out);
                argc--;
                argv++;
                }

        for (i=1; i<argc; i++)
                {
                if (sscanf(argv[i],"%lx",&l))
                        {
                        ERR_error_string_n(l, buf, sizeof buf);
                        printf("%s\n",buf);
                        }
                else
                        {
                        printf("%s: bad error code\n",argv[i]);
                        printf("usage: errstr [-stats] <errno> ...\n");
                        ret++;
                        }
                }
        apps_shutdown();
        OPENSSL_EXIT(ret);
        }

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