1 /* $OpenBSD: errstr.c,v 1.11 2023/07/23 11:20:11 tb 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 static const struct option errstr_options[] = { 72 { NULL }, 73 }; 74 75 static void 76 errstr_usage(void) 77 { 78 fprintf(stderr, "usage: errstr errno ...\n"); 79 } 80 81 int 82 errstr_main(int argc, char **argv) 83 { 84 unsigned long ulval; 85 char *ularg, *ep; 86 int argsused, i; 87 char buf[256]; 88 int ret = 0; 89 90 if (pledge("stdio rpath", NULL) == -1) { 91 perror("pledge"); 92 exit(1); 93 } 94 95 if (options_parse(argc, argv, errstr_options, NULL, &argsused) != 0) { 96 errstr_usage(); 97 return (1); 98 } 99 100 for (i = argsused; i < argc; i++) { 101 errno = 0; 102 ularg = argv[i]; 103 ulval = strtoul(ularg, &ep, 16); 104 if (strchr(ularg, '-') != NULL || 105 (ularg[0] == '\0' || *ep != '\0') || 106 (errno == ERANGE && ulval == ULONG_MAX)) { 107 printf("%s: bad error code\n", ularg); 108 ret++; 109 continue; 110 } 111 112 ERR_error_string_n(ulval, buf, sizeof(buf)); 113 printf("%s\n", buf); 114 } 115 116 return (ret); 117 } 118