Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Debugging routines |
| 3 | * |
Bence Szépkúti | 1e14827 | 2020-08-07 13:07:28 +0200 | [diff] [blame] | 4 | * Copyright The Mbed TLS Contributors |
Manuel Pégourié-Gonnard | 37ff140 | 2015-09-04 14:21:07 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: Apache-2.0 |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 8 | * not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
| 10 | * |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | * |
| 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
Gilles Peskine | db09ef6 | 2020-06-03 01:43:33 +0200 | [diff] [blame] | 20 | #include "common.h" |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 21 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 22 | #if defined(MBEDTLS_DEBUG_C) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 23 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 24 | #if defined(MBEDTLS_PLATFORM_C) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 25 | #include "mbedtls/platform.h" |
Rich Evans | 2387c7d | 2015-01-30 11:10:20 +0000 | [diff] [blame] | 26 | #else |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 27 | #include <stdlib.h> |
| 28 | #define mbedtls_calloc calloc |
| 29 | #define mbedtls_free free |
SimonB | d5800b7 | 2016-04-26 07:43:27 +0100 | [diff] [blame] | 30 | #define mbedtls_time_t time_t |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 31 | #define mbedtls_snprintf snprintf |
k-stachowiak | 723f867 | 2018-07-16 14:27:07 +0200 | [diff] [blame] | 32 | #define mbedtls_vsnprintf vsnprintf |
Rich Evans | 2387c7d | 2015-01-30 11:10:20 +0000 | [diff] [blame] | 33 | #endif |
| 34 | |
SimonB | d5800b7 | 2016-04-26 07:43:27 +0100 | [diff] [blame] | 35 | #include "mbedtls/debug.h" |
Janos Follath | 73c616b | 2019-12-18 15:07:04 +0000 | [diff] [blame] | 36 | #include "mbedtls/error.h" |
SimonB | d5800b7 | 2016-04-26 07:43:27 +0100 | [diff] [blame] | 37 | |
| 38 | #include <stdarg.h> |
| 39 | #include <stdio.h> |
| 40 | #include <string.h> |
| 41 | |
Manuel Pégourié-Gonnard | 0223ab9 | 2015-10-05 11:40:01 +0100 | [diff] [blame] | 42 | #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \ |
| 43 | !defined(inline) && !defined(__cplusplus) |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 44 | #define inline __inline |
| 45 | #endif |
| 46 | |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 47 | #define DEBUG_BUF_SIZE 512 |
| 48 | |
Paul Bakker | c73079a | 2014-04-25 16:34:30 +0200 | [diff] [blame] | 49 | static int debug_threshold = 0; |
Paul Bakker | eaebbd5 | 2014-04-25 15:04:14 +0200 | [diff] [blame] | 50 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 51 | void mbedtls_debug_set_threshold( int threshold ) |
Paul Bakker | c73079a | 2014-04-25 16:34:30 +0200 | [diff] [blame] | 52 | { |
| 53 | debug_threshold = threshold; |
| 54 | } |
| 55 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 56 | /* |
| 57 | * All calls to f_dbg must be made via this function |
| 58 | */ |
| 59 | static inline void debug_send_line( const mbedtls_ssl_context *ssl, int level, |
| 60 | const char *file, int line, |
| 61 | const char *str ) |
| 62 | { |
| 63 | /* |
| 64 | * If in a threaded environment, we need a thread identifier. |
| 65 | * Since there is no portable way to get one, use the address of the ssl |
| 66 | * context instead, as it shouldn't be shared between threads. |
| 67 | */ |
| 68 | #if defined(MBEDTLS_THREADING_C) |
| 69 | char idstr[20 + DEBUG_BUF_SIZE]; /* 0x + 16 nibbles + ': ' */ |
Simon Butcher | 097618b | 2016-11-10 17:28:55 +0000 | [diff] [blame] | 70 | mbedtls_snprintf( idstr, sizeof( idstr ), "%p: %s", (void*)ssl, str ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 71 | ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, idstr ); |
| 72 | #else |
| 73 | ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, str ); |
| 74 | #endif |
| 75 | } |
| 76 | |
Paul Elliott | 4e58970 | 2020-12-09 14:38:01 +0000 | [diff] [blame] | 77 | MBEDTLS_PRINTF_ATTRIBUTE(5, 6) |
Manuel Pégourié-Gonnard | a16e7c4 | 2015-06-29 20:14:19 +0200 | [diff] [blame] | 78 | void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level, |
Manuel Pégourié-Gonnard | b74c245 | 2015-06-29 20:08:23 +0200 | [diff] [blame] | 79 | const char *file, int line, |
| 80 | const char *format, ... ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 81 | { |
| 82 | va_list argp; |
Manuel Pégourié-Gonnard | b74c245 | 2015-06-29 20:08:23 +0200 | [diff] [blame] | 83 | char str[DEBUG_BUF_SIZE]; |
Janos Follath | 865b3eb | 2019-12-16 11:46:15 +0000 | [diff] [blame] | 84 | int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 85 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 86 | if( NULL == ssl || |
| 87 | NULL == ssl->conf || |
| 88 | NULL == ssl->conf->f_dbg || |
| 89 | level > debug_threshold ) |
| 90 | { |
Manuel Pégourié-Gonnard | b74c245 | 2015-06-29 20:08:23 +0200 | [diff] [blame] | 91 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 92 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 93 | |
| 94 | va_start( argp, format ); |
k-stachowiak | 723f867 | 2018-07-16 14:27:07 +0200 | [diff] [blame] | 95 | ret = mbedtls_vsnprintf( str, DEBUG_BUF_SIZE, format, argp ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 96 | va_end( argp ); |
| 97 | |
Manuel Pégourié-Gonnard | b74c245 | 2015-06-29 20:08:23 +0200 | [diff] [blame] | 98 | if( ret >= 0 && ret < DEBUG_BUF_SIZE - 1 ) |
| 99 | { |
| 100 | str[ret] = '\n'; |
| 101 | str[ret + 1] = '\0'; |
| 102 | } |
| 103 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 104 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 107 | void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level, |
Paul Bakker | ff60ee6 | 2010-03-16 21:09:09 +0000 | [diff] [blame] | 108 | const char *file, int line, |
| 109 | const char *text, int ret ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 110 | { |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 111 | char str[DEBUG_BUF_SIZE]; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 112 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 113 | if( NULL == ssl || |
| 114 | NULL == ssl->conf || |
| 115 | NULL == ssl->conf->f_dbg || |
| 116 | level > debug_threshold ) |
| 117 | { |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 118 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 119 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 120 | |
Manuel Pégourié-Gonnard | 4cba1a7 | 2015-05-11 18:52:25 +0200 | [diff] [blame] | 121 | /* |
| 122 | * With non-blocking I/O and examples that just retry immediately, |
| 123 | * the logs would be quickly flooded with WANT_READ, so ignore that. |
| 124 | * Don't ignore WANT_WRITE however, since is is usually rare. |
| 125 | */ |
| 126 | if( ret == MBEDTLS_ERR_SSL_WANT_READ ) |
| 127 | return; |
| 128 | |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 129 | mbedtls_snprintf( str, sizeof( str ), "%s() returned %d (-0x%04x)\n", |
Kenneth Soerensen | 518d435 | 2020-04-01 17:22:45 +0200 | [diff] [blame] | 130 | text, ret, (unsigned int) -ret ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 131 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 132 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 133 | } |
| 134 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 135 | void mbedtls_debug_print_buf( const mbedtls_ssl_context *ssl, int level, |
Paul Bakker | ff60ee6 | 2010-03-16 21:09:09 +0000 | [diff] [blame] | 136 | const char *file, int line, const char *text, |
Manuel Pégourié-Gonnard | a78b218 | 2015-03-19 17:16:11 +0000 | [diff] [blame] | 137 | const unsigned char *buf, size_t len ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 138 | { |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 139 | char str[DEBUG_BUF_SIZE]; |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 140 | char txt[17]; |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 141 | size_t i, idx = 0; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 142 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 143 | if( NULL == ssl || |
| 144 | NULL == ssl->conf || |
| 145 | NULL == ssl->conf->f_dbg || |
| 146 | level > debug_threshold ) |
| 147 | { |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 148 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 149 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 150 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 151 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, "dumping '%s' (%u bytes)\n", |
Paul Bakker | eaebbd5 | 2014-04-25 15:04:14 +0200 | [diff] [blame] | 152 | text, (unsigned int) len ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 153 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 154 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 155 | |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 156 | idx = 0; |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 157 | memset( txt, 0, sizeof( txt ) ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 158 | for( i = 0; i < len; i++ ) |
| 159 | { |
| 160 | if( i >= 4096 ) |
| 161 | break; |
| 162 | |
| 163 | if( i % 16 == 0 ) |
| 164 | { |
| 165 | if( i > 0 ) |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 166 | { |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 167 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %s\n", txt ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 168 | debug_send_line( ssl, level, file, line, str ); |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 169 | |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 170 | idx = 0; |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 171 | memset( txt, 0, sizeof( txt ) ); |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 172 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 173 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 174 | idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, "%04x: ", |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 175 | (unsigned int) i ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 176 | |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 177 | } |
| 178 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 179 | idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x", |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 180 | (unsigned int) buf[i] ); |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 181 | txt[i % 16] = ( buf[i] > 31 && buf[i] < 127 ) ? buf[i] : '.' ; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | if( len > 0 ) |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 185 | { |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 186 | for( /* i = i */; i % 16 != 0; i++ ) |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 187 | idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " " ); |
Manuel Pégourié-Gonnard | 8c9223d | 2014-11-19 10:17:21 +0100 | [diff] [blame] | 188 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 189 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %s\n", txt ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 190 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 191 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 192 | } |
| 193 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 194 | #if defined(MBEDTLS_ECP_C) |
| 195 | void mbedtls_debug_print_ecp( const mbedtls_ssl_context *ssl, int level, |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 196 | const char *file, int line, |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 197 | const char *text, const mbedtls_ecp_point *X ) |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 198 | { |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 199 | char str[DEBUG_BUF_SIZE]; |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 200 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 201 | if( NULL == ssl || |
| 202 | NULL == ssl->conf || |
| 203 | NULL == ssl->conf->f_dbg || |
| 204 | level > debug_threshold ) |
| 205 | { |
Paul Bakker | c73079a | 2014-04-25 16:34:30 +0200 | [diff] [blame] | 206 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 207 | } |
Paul Bakker | c73079a | 2014-04-25 16:34:30 +0200 | [diff] [blame] | 208 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 209 | mbedtls_snprintf( str, sizeof( str ), "%s(X)", text ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 210 | mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->X ); |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 211 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 212 | mbedtls_snprintf( str, sizeof( str ), "%s(Y)", text ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 213 | mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->Y ); |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 214 | } |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 215 | #endif /* MBEDTLS_ECP_C */ |
Paul Bakker | 41c83d3 | 2013-03-20 14:39:14 +0100 | [diff] [blame] | 216 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 217 | #if defined(MBEDTLS_BIGNUM_C) |
| 218 | void mbedtls_debug_print_mpi( const mbedtls_ssl_context *ssl, int level, |
Paul Bakker | ff60ee6 | 2010-03-16 21:09:09 +0000 | [diff] [blame] | 219 | const char *file, int line, |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 220 | const char *text, const mbedtls_mpi *X ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 221 | { |
Manuel Pégourié-Gonnard | d23f593 | 2015-06-23 12:04:52 +0200 | [diff] [blame] | 222 | char str[DEBUG_BUF_SIZE]; |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 223 | int j, k, zeros = 1; |
Paul Bakker | eaebbd5 | 2014-04-25 15:04:14 +0200 | [diff] [blame] | 224 | size_t i, n, idx = 0; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 225 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 226 | if( NULL == ssl || |
| 227 | NULL == ssl->conf || |
| 228 | NULL == ssl->conf->f_dbg || |
| 229 | NULL == X || |
| 230 | level > debug_threshold ) |
| 231 | { |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 232 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 233 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 234 | |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 235 | for( n = X->n - 1; n > 0; n-- ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 236 | if( X->p[n] != 0 ) |
| 237 | break; |
| 238 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 239 | for( j = ( sizeof(mbedtls_mpi_uint) << 3 ) - 1; j >= 0; j-- ) |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 240 | if( ( ( X->p[n] >> j ) & 1 ) != 0 ) |
| 241 | break; |
| 242 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 243 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, "value of '%s' (%d bits) is:\n", |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 244 | text, (int) ( ( n * ( sizeof(mbedtls_mpi_uint) << 3 ) ) + j + 1 ) ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 245 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 246 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 247 | |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 248 | idx = 0; |
Paul Bakker | 23986e5 | 2011-04-24 08:57:21 +0000 | [diff] [blame] | 249 | for( i = n + 1, j = 0; i > 0; i-- ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 250 | { |
Paul Bakker | 23986e5 | 2011-04-24 08:57:21 +0000 | [diff] [blame] | 251 | if( zeros && X->p[i - 1] == 0 ) |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 252 | continue; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 253 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 254 | for( k = sizeof( mbedtls_mpi_uint ) - 1; k >= 0; k-- ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 255 | { |
Paul Bakker | 66d5d07 | 2014-06-17 16:39:18 +0200 | [diff] [blame] | 256 | if( zeros && ( ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF ) == 0 ) |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 257 | continue; |
| 258 | else |
| 259 | zeros = 0; |
| 260 | |
| 261 | if( j % 16 == 0 ) |
| 262 | { |
| 263 | if( j > 0 ) |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 264 | { |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 265 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 266 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 92478c3 | 2014-04-25 15:18:34 +0200 | [diff] [blame] | 267 | idx = 0; |
| 268 | } |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 269 | } |
| 270 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 271 | idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x", (unsigned int) |
Paul Bakker | 66d5d07 | 2014-06-17 16:39:18 +0200 | [diff] [blame] | 272 | ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF ); |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 273 | |
| 274 | j++; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 275 | } |
Paul Bakker | be4e7dc | 2011-03-14 20:41:31 +0000 | [diff] [blame] | 276 | |
| 277 | } |
| 278 | |
| 279 | if( zeros == 1 ) |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 280 | idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " 00" ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 281 | |
Manuel Pégourié-Gonnard | 9dbaf40 | 2015-06-22 11:50:58 +0200 | [diff] [blame] | 282 | mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 283 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 284 | } |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 285 | #endif /* MBEDTLS_BIGNUM_C */ |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 286 | |
Hanno Becker | 612a2f1 | 2020-10-09 09:19:39 +0100 | [diff] [blame] | 287 | #if defined(MBEDTLS_X509_CRT_PARSE_C) && !defined(MBEDTLS_X509_REMOVE_INFO) |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 288 | static void debug_print_pk( const mbedtls_ssl_context *ssl, int level, |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 289 | const char *file, int line, |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 290 | const char *text, const mbedtls_pk_context *pk ) |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 291 | { |
| 292 | size_t i; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 293 | mbedtls_pk_debug_item items[MBEDTLS_PK_DEBUG_MAX_ITEMS]; |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 294 | char name[16]; |
| 295 | |
| 296 | memset( items, 0, sizeof( items ) ); |
| 297 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 298 | if( mbedtls_pk_debug( pk, items ) != 0 ) |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 299 | { |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 300 | debug_send_line( ssl, level, file, line, |
Manuel Pégourié-Gonnard | 80d627a | 2015-06-29 20:12:51 +0200 | [diff] [blame] | 301 | "invalid PK context\n" ); |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 302 | return; |
| 303 | } |
| 304 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 305 | for( i = 0; i < MBEDTLS_PK_DEBUG_MAX_ITEMS; i++ ) |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 306 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 307 | if( items[i].type == MBEDTLS_PK_DEBUG_NONE ) |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 308 | return; |
| 309 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 310 | mbedtls_snprintf( name, sizeof( name ), "%s%s", text, items[i].name ); |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 311 | name[sizeof( name ) - 1] = '\0'; |
| 312 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 313 | if( items[i].type == MBEDTLS_PK_DEBUG_MPI ) |
| 314 | mbedtls_debug_print_mpi( ssl, level, file, line, name, items[i].value ); |
Manuel Pégourié-Gonnard | bac0e3b | 2013-10-15 11:54:47 +0200 | [diff] [blame] | 315 | else |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 316 | #if defined(MBEDTLS_ECP_C) |
| 317 | if( items[i].type == MBEDTLS_PK_DEBUG_ECP ) |
| 318 | mbedtls_debug_print_ecp( ssl, level, file, line, name, items[i].value ); |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 319 | else |
Manuel Pégourié-Gonnard | bac0e3b | 2013-10-15 11:54:47 +0200 | [diff] [blame] | 320 | #endif |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 321 | debug_send_line( ssl, level, file, line, |
Manuel Pégourié-Gonnard | 80d627a | 2015-06-29 20:12:51 +0200 | [diff] [blame] | 322 | "should not happen\n" ); |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 323 | } |
| 324 | } |
| 325 | |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 326 | static void debug_print_line_by_line( const mbedtls_ssl_context *ssl, int level, |
| 327 | const char *file, int line, const char *text ) |
| 328 | { |
| 329 | char str[DEBUG_BUF_SIZE]; |
| 330 | const char *start, *cur; |
| 331 | |
| 332 | start = text; |
| 333 | for( cur = text; *cur != '\0'; cur++ ) |
| 334 | { |
| 335 | if( *cur == '\n' ) |
| 336 | { |
| 337 | size_t len = cur - start + 1; |
| 338 | if( len > DEBUG_BUF_SIZE - 1 ) |
| 339 | len = DEBUG_BUF_SIZE - 1; |
| 340 | |
| 341 | memcpy( str, start, len ); |
| 342 | str[len] = '\0'; |
| 343 | |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 344 | debug_send_line( ssl, level, file, line, str ); |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 345 | |
| 346 | start = cur + 1; |
| 347 | } |
| 348 | } |
| 349 | } |
| 350 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 351 | void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level, |
Paul Bakker | ff60ee6 | 2010-03-16 21:09:09 +0000 | [diff] [blame] | 352 | const char *file, int line, |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 353 | const char *text, const mbedtls_x509_crt *crt ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 354 | { |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 355 | char str[DEBUG_BUF_SIZE]; |
| 356 | int i = 0; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 357 | |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 358 | if( NULL == ssl || |
| 359 | NULL == ssl->conf || |
| 360 | NULL == ssl->conf->f_dbg || |
| 361 | NULL == crt || |
| 362 | level > debug_threshold ) |
| 363 | { |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 364 | return; |
Hanno Becker | 687c500 | 2018-06-29 09:04:46 +0100 | [diff] [blame] | 365 | } |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 366 | |
Paul Bakker | 2908713 | 2010-03-21 21:03:34 +0000 | [diff] [blame] | 367 | while( crt != NULL ) |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 368 | { |
Paul Bakker | d98030e | 2009-05-02 15:13:40 +0000 | [diff] [blame] | 369 | char buf[1024]; |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 370 | |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 371 | mbedtls_snprintf( str, sizeof( str ), "%s #%d:\n", text, ++i ); |
Manuel Pégourié-Gonnard | 7b23c51 | 2015-08-31 16:11:00 +0200 | [diff] [blame] | 372 | debug_send_line( ssl, level, file, line, str ); |
Paul Bakker | eaebbd5 | 2014-04-25 15:04:14 +0200 | [diff] [blame] | 373 | |
Manuel Pégourié-Gonnard | fd47423 | 2015-06-23 16:34:24 +0200 | [diff] [blame] | 374 | mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt ); |
| 375 | debug_print_line_by_line( ssl, level, file, line, buf ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 376 | |
Manuel Pégourié-Gonnard | c6ac887 | 2013-08-14 18:04:18 +0200 | [diff] [blame] | 377 | debug_print_pk( ssl, level, file, line, "crt->", &crt->pk ); |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 378 | |
| 379 | crt = crt->next; |
| 380 | } |
| 381 | } |
Hanno Becker | 612a2f1 | 2020-10-09 09:19:39 +0100 | [diff] [blame] | 382 | #endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_X509_REMOVE_INFO */ |
Paul Bakker | 5121ce5 | 2009-01-03 21:22:43 +0000 | [diff] [blame] | 383 | |
Janos Follath | 948f4be | 2018-08-22 01:37:55 +0100 | [diff] [blame] | 384 | #if defined(MBEDTLS_ECDH_C) |
| 385 | static void mbedtls_debug_printf_ecdh_internal( const mbedtls_ssl_context *ssl, |
| 386 | int level, const char *file, |
| 387 | int line, |
| 388 | const mbedtls_ecdh_context *ecdh, |
| 389 | mbedtls_debug_ecdh_attr attr ) |
| 390 | { |
| 391 | #if defined(MBEDTLS_ECDH_LEGACY_CONTEXT) |
| 392 | const mbedtls_ecdh_context* ctx = ecdh; |
| 393 | #else |
| 394 | const mbedtls_ecdh_context_mbed* ctx = &ecdh->ctx.mbed_ecdh; |
| 395 | #endif |
| 396 | |
| 397 | switch( attr ) |
| 398 | { |
| 399 | case MBEDTLS_DEBUG_ECDH_Q: |
| 400 | mbedtls_debug_print_ecp( ssl, level, file, line, "ECDH: Q", |
| 401 | &ctx->Q ); |
| 402 | break; |
| 403 | case MBEDTLS_DEBUG_ECDH_QP: |
| 404 | mbedtls_debug_print_ecp( ssl, level, file, line, "ECDH: Qp", |
| 405 | &ctx->Qp ); |
| 406 | break; |
| 407 | case MBEDTLS_DEBUG_ECDH_Z: |
| 408 | mbedtls_debug_print_mpi( ssl, level, file, line, "ECDH: z", |
| 409 | &ctx->z ); |
| 410 | break; |
| 411 | default: |
| 412 | break; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | void mbedtls_debug_printf_ecdh( const mbedtls_ssl_context *ssl, int level, |
| 417 | const char *file, int line, |
| 418 | const mbedtls_ecdh_context *ecdh, |
| 419 | mbedtls_debug_ecdh_attr attr ) |
| 420 | { |
| 421 | #if defined(MBEDTLS_ECDH_LEGACY_CONTEXT) |
| 422 | mbedtls_debug_printf_ecdh_internal( ssl, level, file, line, ecdh, attr ); |
| 423 | #else |
| 424 | switch( ecdh->var ) |
| 425 | { |
| 426 | default: |
| 427 | mbedtls_debug_printf_ecdh_internal( ssl, level, file, line, ecdh, |
| 428 | attr ); |
| 429 | } |
| 430 | #endif |
| 431 | } |
| 432 | #endif /* MBEDTLS_ECDH_C */ |
| 433 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 434 | #endif /* MBEDTLS_DEBUG_C */ |