1 /*
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string.h>
13 #include "apps.h"
14 #include "progs.h"
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/ssl.h>
18
19 typedef enum OPTION_choice {
20 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP
21 } OPTION_CHOICE;
22
23 const OPTIONS errstr_options[] = {
24 {OPT_HELP_STR, 1, '-', "Usage: %s [options] errnum...\n"},
25
26 OPT_SECTION("General"),
27 {"help", OPT_HELP, '-', "Display this summary"},
28
29 OPT_PARAMETERS(),
30 {"errnum", 0, 0, "Error number(s) to decode"},
31 {NULL}
32 };
33
errstr_main(int argc,char ** argv)34 int errstr_main(int argc, char **argv)
35 {
36 OPTION_CHOICE o;
37 char buf[256], *prog;
38 int ret = 1;
39 unsigned long l;
40
41 prog = opt_init(argc, argv, errstr_options);
42 while ((o = opt_next()) != OPT_EOF) {
43 switch (o) {
44 case OPT_EOF:
45 case OPT_ERR:
46 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
47 goto end;
48 case OPT_HELP:
49 opt_help(errstr_options);
50 ret = 0;
51 goto end;
52 }
53 }
54
55 /*
56 * We're not really an SSL application so this won't auto-init, but
57 * we're still interested in SSL error strings
58 */
59 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
60 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
61
62 /* All remaining arg are error code. */
63 ret = 0;
64 for (argv = opt_rest(); *argv != NULL; argv++) {
65 if (sscanf(*argv, "%lx", &l) <= 0) {
66 ret++;
67 } else {
68 ERR_error_string_n(l, buf, sizeof(buf));
69 BIO_printf(bio_out, "%s\n", buf);
70 }
71 }
72 end:
73 return ret;
74 }
75
