Blame apps/errstr.c

Packit c4476c
/*
Packit c4476c
 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
Packit c4476c
 *
Packit c4476c
 * Licensed under the OpenSSL license (the "License").  You may not use
Packit c4476c
 * this file except in compliance with the License.  You can obtain a copy
Packit c4476c
 * in the file LICENSE in the source distribution or at
Packit c4476c
 * https://www.openssl.org/source/license.html
Packit c4476c
 */
Packit c4476c
Packit c4476c
#include <stdio.h>
Packit c4476c
#include <stdlib.h>
Packit c4476c
#include <string.h>
Packit c4476c
#include "apps.h"
Packit c4476c
#include "progs.h"
Packit c4476c
#include <openssl/bio.h>
Packit c4476c
#include <openssl/err.h>
Packit c4476c
#include <openssl/ssl.h>
Packit c4476c
Packit c4476c
typedef enum OPTION_choice {
Packit c4476c
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP
Packit c4476c
} OPTION_CHOICE;
Packit c4476c
Packit c4476c
const OPTIONS errstr_options[] = {
Packit c4476c
    {OPT_HELP_STR, 1, '-', "Usage: %s [options] errnum...\n"},
Packit c4476c
    {OPT_HELP_STR, 1, '-', "  errnum  Error number\n"},
Packit c4476c
    {"help", OPT_HELP, '-', "Display this summary"},
Packit c4476c
    {NULL}
Packit c4476c
};
Packit c4476c
Packit c4476c
int errstr_main(int argc, char **argv)
Packit c4476c
{
Packit c4476c
    OPTION_CHOICE o;
Packit c4476c
    char buf[256], *prog;
Packit c4476c
    int ret = 1;
Packit c4476c
    unsigned long l;
Packit c4476c
Packit c4476c
    prog = opt_init(argc, argv, errstr_options);
Packit c4476c
    while ((o = opt_next()) != OPT_EOF) {
Packit c4476c
        switch (o) {
Packit c4476c
        case OPT_EOF:
Packit c4476c
        case OPT_ERR:
Packit c4476c
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
Packit c4476c
            goto end;
Packit c4476c
        case OPT_HELP:
Packit c4476c
            opt_help(errstr_options);
Packit c4476c
            ret = 0;
Packit c4476c
            goto end;
Packit c4476c
        }
Packit c4476c
    }
Packit c4476c
Packit c4476c
    ret = 0;
Packit c4476c
    for (argv = opt_rest(); *argv; argv++) {
Packit c4476c
        if (sscanf(*argv, "%lx", &l) == 0) {
Packit c4476c
            ret++;
Packit c4476c
        } else {
Packit c4476c
            /* We're not really an SSL application so this won't auto-init, but
Packit c4476c
             * we're still interested in SSL error strings
Packit c4476c
             */
Packit c4476c
            OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
Packit c4476c
                             | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
Packit c4476c
            ERR_error_string_n(l, buf, sizeof(buf));
Packit c4476c
            BIO_printf(bio_out, "%s\n", buf);
Packit c4476c
        }
Packit c4476c
    }
Packit c4476c
 end:
Packit c4476c
    return ret;
Packit c4476c
}