Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Error message information |
| 3 | * |
Manuel Pégourié-Gonnard | 7381ff0 | 2015-08-04 11:12:49 +0200 | [diff] [blame] | 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
Bence Szépkúti | f744bd7 | 2020-06-05 13:02:18 +0200 | [diff] [blame^] | 5 | * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| 6 | * |
| 7 | * This file is provided under the Apache License 2.0, or the |
| 8 | * GNU General Public License v2.0 or later. |
| 9 | * |
| 10 | * ********** |
| 11 | * Apache License 2.0: |
Manuel Pégourié-Gonnard | 37ff140 | 2015-09-04 14:21:07 +0200 | [diff] [blame] | 12 | * |
| 13 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 14 | * not use this file except in compliance with the License. |
| 15 | * You may obtain a copy of the License at |
| 16 | * |
| 17 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 18 | * |
| 19 | * Unless required by applicable law or agreed to in writing, software |
| 20 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 21 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 22 | * See the License for the specific language governing permissions and |
| 23 | * limitations under the License. |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 24 | * |
Bence Szépkúti | f744bd7 | 2020-06-05 13:02:18 +0200 | [diff] [blame^] | 25 | * ********** |
| 26 | * |
| 27 | * ********** |
| 28 | * GNU General Public License v2.0 or later: |
| 29 | * |
| 30 | * This program is free software; you can redistribute it and/or modify |
| 31 | * it under the terms of the GNU General Public License as published by |
| 32 | * the Free Software Foundation; either version 2 of the License, or |
| 33 | * (at your option) any later version. |
| 34 | * |
| 35 | * This program is distributed in the hope that it will be useful, |
| 36 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 37 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 38 | * GNU General Public License for more details. |
| 39 | * |
| 40 | * You should have received a copy of the GNU General Public License along |
| 41 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 42 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 43 | * |
| 44 | * ********** |
| 45 | * |
Manuel Pégourié-Gonnard | fe44643 | 2015-03-06 13:17:10 +0000 | [diff] [blame] | 46 | * This file is part of mbed TLS (https://tls.mbed.org) |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 47 | */ |
| 48 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 49 | #if !defined(MBEDTLS_CONFIG_FILE) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 50 | #include "mbedtls/config.h" |
Manuel Pégourié-Gonnard | cef4ad2 | 2014-04-29 12:39:06 +0200 | [diff] [blame] | 51 | #else |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 52 | #include MBEDTLS_CONFIG_FILE |
Manuel Pégourié-Gonnard | cef4ad2 | 2014-04-29 12:39:06 +0200 | [diff] [blame] | 53 | #endif |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 54 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 55 | #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 56 | #include "mbedtls/error.h" |
Manuel Pégourié-Gonnard | f5dc8ec | 2015-02-13 14:32:17 +0000 | [diff] [blame] | 57 | #include <string.h> |
Paul Bakker | 0464dd9 | 2014-07-09 10:16:18 +0200 | [diff] [blame] | 58 | #endif |
| 59 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 60 | #if defined(MBEDTLS_PLATFORM_C) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 61 | #include "mbedtls/platform.h" |
Rich Evans | 6aa04bc | 2015-01-30 11:18:42 +0000 | [diff] [blame] | 62 | #else |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 63 | #define mbedtls_snprintf snprintf |
Simon Butcher | db0feca | 2016-05-17 00:03:14 +0100 | [diff] [blame] | 64 | #define mbedtls_time_t time_t |
Rich Evans | 6aa04bc | 2015-01-30 11:18:42 +0000 | [diff] [blame] | 65 | #endif |
| 66 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 67 | #if defined(MBEDTLS_ERROR_C) |
Paul Bakker | b2a1140 | 2013-06-24 13:02:12 +0200 | [diff] [blame] | 68 | |
Paul Bakker | daae3b7 | 2015-02-08 15:49:54 +0100 | [diff] [blame] | 69 | #include <stdio.h> |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 70 | |
Manuel Pégourié-Gonnard | f5dc8ec | 2015-02-13 14:32:17 +0000 | [diff] [blame] | 71 | HEADER_INCLUDED |
Paul Bakker | d0a345e | 2011-11-10 13:03:42 +0000 | [diff] [blame] | 72 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 73 | void mbedtls_strerror( int ret, char *buf, size_t buflen ) |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 74 | { |
| 75 | size_t len; |
| 76 | int use_ret; |
| 77 | |
Paul Bakker | b9cfaa0 | 2013-10-11 18:58:55 +0200 | [diff] [blame] | 78 | if( buflen == 0 ) |
| 79 | return; |
| 80 | |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 81 | memset( buf, 0x00, buflen ); |
Paul Bakker | b9cfaa0 | 2013-10-11 18:58:55 +0200 | [diff] [blame] | 82 | |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 83 | if( ret < 0 ) |
| 84 | ret = -ret; |
| 85 | |
| 86 | if( ret & 0xFF80 ) |
| 87 | { |
| 88 | use_ret = ret & 0xFF80; |
| 89 | |
| 90 | // High level error codes |
| 91 | // |
Manuel Pégourié-Gonnard | fe671f4 | 2014-04-11 18:06:44 +0200 | [diff] [blame] | 92 | // BEGIN generated code |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 93 | HIGH_LEVEL_CODE_CHECKS |
Manuel Pégourié-Gonnard | fe671f4 | 2014-04-11 18:06:44 +0200 | [diff] [blame] | 94 | // END generated code |
| 95 | |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 96 | if( strlen( buf ) == 0 ) |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 97 | mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | use_ret = ret & ~0xFF80; |
| 101 | |
| 102 | if( use_ret == 0 ) |
| 103 | return; |
| 104 | |
| 105 | // If high level code is present, make a concatenation between both |
| 106 | // error strings. |
| 107 | // |
| 108 | len = strlen( buf ); |
| 109 | |
| 110 | if( len > 0 ) |
| 111 | { |
| 112 | if( buflen - len < 5 ) |
| 113 | return; |
| 114 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 115 | mbedtls_snprintf( buf + len, buflen - len, " : " ); |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 116 | |
| 117 | buf += len + 3; |
| 118 | buflen -= len + 3; |
| 119 | } |
| 120 | |
| 121 | // Low level error codes |
| 122 | // |
Manuel Pégourié-Gonnard | fe671f4 | 2014-04-11 18:06:44 +0200 | [diff] [blame] | 123 | // BEGIN generated code |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 124 | LOW_LEVEL_CODE_CHECKS |
Manuel Pégourié-Gonnard | fe671f4 | 2014-04-11 18:06:44 +0200 | [diff] [blame] | 125 | // END generated code |
| 126 | |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 127 | if( strlen( buf ) != 0 ) |
| 128 | return; |
| 129 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 130 | mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); |
Paul Bakker | 9d78140 | 2011-05-09 16:17:09 +0000 | [diff] [blame] | 131 | } |
| 132 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 133 | #else /* MBEDTLS_ERROR_C */ |
Paul Bakker | a023437 | 2013-03-20 14:42:21 +0100 | [diff] [blame] | 134 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 135 | #if defined(MBEDTLS_ERROR_STRERROR_DUMMY) |
Paul Bakker | a023437 | 2013-03-20 14:42:21 +0100 | [diff] [blame] | 136 | |
Paul Bakker | a023437 | 2013-03-20 14:42:21 +0100 | [diff] [blame] | 137 | /* |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 138 | * Provide an non-function in case MBEDTLS_ERROR_C is not defined |
Paul Bakker | a023437 | 2013-03-20 14:42:21 +0100 | [diff] [blame] | 139 | */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 140 | void mbedtls_strerror( int ret, char *buf, size_t buflen ) |
Paul Bakker | a023437 | 2013-03-20 14:42:21 +0100 | [diff] [blame] | 141 | { |
| 142 | ((void) ret); |
| 143 | |
| 144 | if( buflen > 0 ) |
| 145 | buf[0] = '\0'; |
| 146 | } |
| 147 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 148 | #endif /* MBEDTLS_ERROR_STRERROR_DUMMY */ |
Paul Bakker | e2ab84f | 2013-06-29 18:24:32 +0200 | [diff] [blame] | 149 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 150 | #endif /* MBEDTLS_ERROR_C */ |