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/*
* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP
} OPTION_CHOICE;
const OPTIONS errstr_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [options] errnum...\n"},
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
OPT_PARAMETERS(),
{"errnum", 0, 0, "Error number(s) to decode"},
{NULL}
};
int errstr_main(int argc, char **argv)
{
OPTION_CHOICE o;
char buf[256], *prog;
int ret = 1;
unsigned long l;
prog = opt_init(argc, argv, errstr_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(errstr_options);
ret = 0;
goto end;
}
}
/*
* We're not really an SSL application so this won't auto-init, but
* we're still interested in SSL error strings
*/
OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
/* All remaining arg are error code. */
ret = 0;
for (argv = opt_rest(); *argv != NULL; argv++) {
if (sscanf(*argv, "%lx", &l) == 0) {
ret++;
} else {
ERR_error_string_n(l, buf, sizeof(buf));
BIO_printf(bio_out, "%s\n", buf);
}
}
end:
return ret;
}
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