1 /* $OpenBSD: errstr.c,v 1.7 2019/07/14 03:30:45 guenther 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 struct { 72 int stats; 73 } errstr_config; 74 75 static const struct option errstr_options[] = { 76 { 77 .name = "stats", 78 .desc = "Print debugging statistics for the hash table", 79 .type = OPTION_FLAG, 80 .opt.flag = &errstr_config.stats, 81 }, 82 { NULL }, 83 }; 84 85 static void 86 errstr_usage() 87 { 88 fprintf(stderr, "usage: errstr [-stats] errno ...\n"); 89 options_usage(errstr_options); 90 } 91 92 int 93 errstr_main(int argc, char **argv) 94 { 95 unsigned long ulval; 96 char *ularg, *ep; 97 int argsused, i; 98 char buf[256]; 99 int ret = 0; 100 101 if (single_execution) { 102 if (pledge("stdio rpath", NULL) == -1) { 103 perror("pledge"); 104 exit(1); 105 } 106 } 107 108 memset(&errstr_config, 0, sizeof(errstr_config)); 109 110 if (options_parse(argc, argv, errstr_options, NULL, &argsused) != 0) { 111 errstr_usage(); 112 return (1); 113 } 114 115 if (errstr_config.stats) { 116 BIO *out; 117 118 if ((out = BIO_new_fp(stdout, BIO_NOCLOSE)) == NULL) { 119 fprintf(stderr, "Out of memory"); 120 return (1); 121 } 122 123 lh_ERR_STRING_DATA_node_stats_bio(ERR_get_string_table(), out); 124 lh_ERR_STRING_DATA_stats_bio(ERR_get_string_table(), out); 125 lh_ERR_STRING_DATA_node_usage_stats_bio( 126 ERR_get_string_table(), out); 127 128 BIO_free_all(out); 129 } 130 131 for (i = argsused; i < argc; i++) { 132 errno = 0; 133 ularg = argv[i]; 134 ulval = strtoul(ularg, &ep, 16); 135 if (strchr(ularg, '-') != NULL || 136 (ularg[0] == '\0' || *ep != '\0') || 137 (errno == ERANGE && ulval == ULONG_MAX)) { 138 printf("%s: bad error code\n", ularg); 139 ret++; 140 continue; 141 } 142 143 ERR_error_string_n(ulval, buf, sizeof(buf)); 144 printf("%s\n", buf); 145 } 146 147 return (ret); 148 } 149