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mbed-os

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features/mbedtls/src/debug.c@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /*
be_bryan 0:b74591d5ab33 2 * Debugging routines
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
be_bryan 0:b74591d5ab33 5 * SPDX-License-Identifier: Apache-2.0
be_bryan 0:b74591d5ab33 6 *
be_bryan 0:b74591d5ab33 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
be_bryan 0:b74591d5ab33 8 * not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 9 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 10 *
be_bryan 0:b74591d5ab33 11 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 12 *
be_bryan 0:b74591d5ab33 13 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
be_bryan 0:b74591d5ab33 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 16 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 17 * limitations under the License.
be_bryan 0:b74591d5ab33 18 *
be_bryan 0:b74591d5ab33 19 * This file is part of mbed TLS (https://tls.mbed.org)
be_bryan 0:b74591d5ab33 20 */
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 #if !defined(MBEDTLS_CONFIG_FILE)
be_bryan 0:b74591d5ab33 23 #include "mbedtls/config.h"
be_bryan 0:b74591d5ab33 24 #else
be_bryan 0:b74591d5ab33 25 #include MBEDTLS_CONFIG_FILE
be_bryan 0:b74591d5ab33 26 #endif
be_bryan 0:b74591d5ab33 27
be_bryan 0:b74591d5ab33 28 #if defined(MBEDTLS_DEBUG_C)
be_bryan 0:b74591d5ab33 29
be_bryan 0:b74591d5ab33 30 #if defined(MBEDTLS_PLATFORM_C)
be_bryan 0:b74591d5ab33 31 #include "mbedtls/platform.h"
be_bryan 0:b74591d5ab33 32 #else
be_bryan 0:b74591d5ab33 33 #include <stdlib.h>
be_bryan 0:b74591d5ab33 34 #define mbedtls_calloc calloc
be_bryan 0:b74591d5ab33 35 #define mbedtls_free free
be_bryan 0:b74591d5ab33 36 #define mbedtls_time_t time_t
be_bryan 0:b74591d5ab33 37 #define mbedtls_snprintf snprintf
be_bryan 0:b74591d5ab33 38 #endif
be_bryan 0:b74591d5ab33 39
be_bryan 0:b74591d5ab33 40 #include "mbedtls/debug.h"
be_bryan 0:b74591d5ab33 41
be_bryan 0:b74591d5ab33 42 #include <stdarg.h>
be_bryan 0:b74591d5ab33 43 #include <stdio.h>
be_bryan 0:b74591d5ab33 44 #include <string.h>
be_bryan 0:b74591d5ab33 45
be_bryan 0:b74591d5ab33 46 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
be_bryan 0:b74591d5ab33 47 !defined(inline) && !defined(__cplusplus)
be_bryan 0:b74591d5ab33 48 #define inline __inline
be_bryan 0:b74591d5ab33 49 #endif
be_bryan 0:b74591d5ab33 50
be_bryan 0:b74591d5ab33 51 #define DEBUG_BUF_SIZE 512
be_bryan 0:b74591d5ab33 52
be_bryan 0:b74591d5ab33 53 static int debug_threshold = 0;
be_bryan 0:b74591d5ab33 54
be_bryan 0:b74591d5ab33 55 void mbedtls_debug_set_threshold( int threshold )
be_bryan 0:b74591d5ab33 56 {
be_bryan 0:b74591d5ab33 57 debug_threshold = threshold;
be_bryan 0:b74591d5ab33 58 }
be_bryan 0:b74591d5ab33 59
be_bryan 0:b74591d5ab33 60 /*
be_bryan 0:b74591d5ab33 61 * All calls to f_dbg must be made via this function
be_bryan 0:b74591d5ab33 62 */
be_bryan 0:b74591d5ab33 63 static inline void debug_send_line( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 64 const char *file, int line,
be_bryan 0:b74591d5ab33 65 const char *str )
be_bryan 0:b74591d5ab33 66 {
be_bryan 0:b74591d5ab33 67 /*
be_bryan 0:b74591d5ab33 68 * If in a threaded environment, we need a thread identifier.
be_bryan 0:b74591d5ab33 69 * Since there is no portable way to get one, use the address of the ssl
be_bryan 0:b74591d5ab33 70 * context instead, as it shouldn't be shared between threads.
be_bryan 0:b74591d5ab33 71 */
be_bryan 0:b74591d5ab33 72 #if defined(MBEDTLS_THREADING_C)
be_bryan 0:b74591d5ab33 73 char idstr[20 + DEBUG_BUF_SIZE]; /* 0x + 16 nibbles + ': ' */
be_bryan 0:b74591d5ab33 74 mbedtls_snprintf( idstr, sizeof( idstr ), "%p: %s", (void*)ssl, str );
be_bryan 0:b74591d5ab33 75 ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, idstr );
be_bryan 0:b74591d5ab33 76 #else
be_bryan 0:b74591d5ab33 77 ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, str );
be_bryan 0:b74591d5ab33 78 #endif
be_bryan 0:b74591d5ab33 79 }
be_bryan 0:b74591d5ab33 80
be_bryan 0:b74591d5ab33 81 void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 82 const char *file, int line,
be_bryan 0:b74591d5ab33 83 const char *format, ... )
be_bryan 0:b74591d5ab33 84 {
be_bryan 0:b74591d5ab33 85 va_list argp;
be_bryan 0:b74591d5ab33 86 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 87 int ret;
be_bryan 0:b74591d5ab33 88
be_bryan 0:b74591d5ab33 89 if( NULL == ssl || NULL == ssl->conf || NULL == ssl->conf->f_dbg || level > debug_threshold )
be_bryan 0:b74591d5ab33 90 return;
be_bryan 0:b74591d5ab33 91
be_bryan 0:b74591d5ab33 92 va_start( argp, format );
be_bryan 0:b74591d5ab33 93 #if defined(_WIN32)
be_bryan 0:b74591d5ab33 94 #if defined(_TRUNCATE)
be_bryan 0:b74591d5ab33 95 ret = _vsnprintf_s( str, DEBUG_BUF_SIZE, _TRUNCATE, format, argp );
be_bryan 0:b74591d5ab33 96 #else
be_bryan 0:b74591d5ab33 97 ret = _vsnprintf( str, DEBUG_BUF_SIZE, format, argp );
be_bryan 0:b74591d5ab33 98 if( ret < 0 || (size_t) ret == DEBUG_BUF_SIZE )
be_bryan 0:b74591d5ab33 99 {
be_bryan 0:b74591d5ab33 100 str[DEBUG_BUF_SIZE-1] = '\0';
be_bryan 0:b74591d5ab33 101 ret = -1;
be_bryan 0:b74591d5ab33 102 }
be_bryan 0:b74591d5ab33 103 #endif
be_bryan 0:b74591d5ab33 104 #else
be_bryan 0:b74591d5ab33 105 ret = vsnprintf( str, DEBUG_BUF_SIZE, format, argp );
be_bryan 0:b74591d5ab33 106 #endif
be_bryan 0:b74591d5ab33 107 va_end( argp );
be_bryan 0:b74591d5ab33 108
be_bryan 0:b74591d5ab33 109 if( ret >= 0 && ret < DEBUG_BUF_SIZE - 1 )
be_bryan 0:b74591d5ab33 110 {
be_bryan 0:b74591d5ab33 111 str[ret] = '\n';
be_bryan 0:b74591d5ab33 112 str[ret + 1] = '\0';
be_bryan 0:b74591d5ab33 113 }
be_bryan 0:b74591d5ab33 114
be_bryan 0:b74591d5ab33 115 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 116 }
be_bryan 0:b74591d5ab33 117
be_bryan 0:b74591d5ab33 118 void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 119 const char *file, int line,
be_bryan 0:b74591d5ab33 120 const char *text, int ret )
be_bryan 0:b74591d5ab33 121 {
be_bryan 0:b74591d5ab33 122 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 123
be_bryan 0:b74591d5ab33 124 if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
be_bryan 0:b74591d5ab33 125 return;
be_bryan 0:b74591d5ab33 126
be_bryan 0:b74591d5ab33 127 /*
be_bryan 0:b74591d5ab33 128 * With non-blocking I/O and examples that just retry immediately,
be_bryan 0:b74591d5ab33 129 * the logs would be quickly flooded with WANT_READ, so ignore that.
be_bryan 0:b74591d5ab33 130 * Don't ignore WANT_WRITE however, since is is usually rare.
be_bryan 0:b74591d5ab33 131 */
be_bryan 0:b74591d5ab33 132 if( ret == MBEDTLS_ERR_SSL_WANT_READ )
be_bryan 0:b74591d5ab33 133 return;
be_bryan 0:b74591d5ab33 134
be_bryan 0:b74591d5ab33 135 mbedtls_snprintf( str, sizeof( str ), "%s() returned %d (-0x%04x)\n",
be_bryan 0:b74591d5ab33 136 text, ret, -ret );
be_bryan 0:b74591d5ab33 137
be_bryan 0:b74591d5ab33 138 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 139 }
be_bryan 0:b74591d5ab33 140
be_bryan 0:b74591d5ab33 141 void mbedtls_debug_print_buf( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 142 const char *file, int line, const char *text,
be_bryan 0:b74591d5ab33 143 const unsigned char *buf, size_t len )
be_bryan 0:b74591d5ab33 144 {
be_bryan 0:b74591d5ab33 145 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 146 char txt[17];
be_bryan 0:b74591d5ab33 147 size_t i, idx = 0;
be_bryan 0:b74591d5ab33 148
be_bryan 0:b74591d5ab33 149 if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
be_bryan 0:b74591d5ab33 150 return;
be_bryan 0:b74591d5ab33 151
be_bryan 0:b74591d5ab33 152 mbedtls_snprintf( str + idx, sizeof( str ) - idx, "dumping '%s' (%u bytes)\n",
be_bryan 0:b74591d5ab33 153 text, (unsigned int) len );
be_bryan 0:b74591d5ab33 154
be_bryan 0:b74591d5ab33 155 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 156
be_bryan 0:b74591d5ab33 157 idx = 0;
be_bryan 0:b74591d5ab33 158 memset( txt, 0, sizeof( txt ) );
be_bryan 0:b74591d5ab33 159 for( i = 0; i < len; i++ )
be_bryan 0:b74591d5ab33 160 {
be_bryan 0:b74591d5ab33 161 if( i >= 4096 )
be_bryan 0:b74591d5ab33 162 break;
be_bryan 0:b74591d5ab33 163
be_bryan 0:b74591d5ab33 164 if( i % 16 == 0 )
be_bryan 0:b74591d5ab33 165 {
be_bryan 0:b74591d5ab33 166 if( i > 0 )
be_bryan 0:b74591d5ab33 167 {
be_bryan 0:b74591d5ab33 168 mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %s\n", txt );
be_bryan 0:b74591d5ab33 169 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 170
be_bryan 0:b74591d5ab33 171 idx = 0;
be_bryan 0:b74591d5ab33 172 memset( txt, 0, sizeof( txt ) );
be_bryan 0:b74591d5ab33 173 }
be_bryan 0:b74591d5ab33 174
be_bryan 0:b74591d5ab33 175 idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, "%04x: ",
be_bryan 0:b74591d5ab33 176 (unsigned int) i );
be_bryan 0:b74591d5ab33 177
be_bryan 0:b74591d5ab33 178 }
be_bryan 0:b74591d5ab33 179
be_bryan 0:b74591d5ab33 180 idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x",
be_bryan 0:b74591d5ab33 181 (unsigned int) buf[i] );
be_bryan 0:b74591d5ab33 182 txt[i % 16] = ( buf[i] > 31 && buf[i] < 127 ) ? buf[i] : '.' ;
be_bryan 0:b74591d5ab33 183 }
be_bryan 0:b74591d5ab33 184
be_bryan 0:b74591d5ab33 185 if( len > 0 )
be_bryan 0:b74591d5ab33 186 {
be_bryan 0:b74591d5ab33 187 for( /* i = i */; i % 16 != 0; i++ )
be_bryan 0:b74591d5ab33 188 idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " " );
be_bryan 0:b74591d5ab33 189
be_bryan 0:b74591d5ab33 190 mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %s\n", txt );
be_bryan 0:b74591d5ab33 191 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 192 }
be_bryan 0:b74591d5ab33 193 }
be_bryan 0:b74591d5ab33 194
be_bryan 0:b74591d5ab33 195 #if defined(MBEDTLS_ECP_C)
be_bryan 0:b74591d5ab33 196 void mbedtls_debug_print_ecp( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 197 const char *file, int line,
be_bryan 0:b74591d5ab33 198 const char *text, const mbedtls_ecp_point *X )
be_bryan 0:b74591d5ab33 199 {
be_bryan 0:b74591d5ab33 200 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 201
be_bryan 0:b74591d5ab33 202 if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
be_bryan 0:b74591d5ab33 203 return;
be_bryan 0:b74591d5ab33 204
be_bryan 0:b74591d5ab33 205 mbedtls_snprintf( str, sizeof( str ), "%s(X)", text );
be_bryan 0:b74591d5ab33 206 mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->X );
be_bryan 0:b74591d5ab33 207
be_bryan 0:b74591d5ab33 208 mbedtls_snprintf( str, sizeof( str ), "%s(Y)", text );
be_bryan 0:b74591d5ab33 209 mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->Y );
be_bryan 0:b74591d5ab33 210 }
be_bryan 0:b74591d5ab33 211 #endif /* MBEDTLS_ECP_C */
be_bryan 0:b74591d5ab33 212
be_bryan 0:b74591d5ab33 213 #if defined(MBEDTLS_BIGNUM_C)
be_bryan 0:b74591d5ab33 214 void mbedtls_debug_print_mpi( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 215 const char *file, int line,
be_bryan 0:b74591d5ab33 216 const char *text, const mbedtls_mpi *X )
be_bryan 0:b74591d5ab33 217 {
be_bryan 0:b74591d5ab33 218 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 219 int j, k, zeros = 1;
be_bryan 0:b74591d5ab33 220 size_t i, n, idx = 0;
be_bryan 0:b74591d5ab33 221
be_bryan 0:b74591d5ab33 222 if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || X == NULL || level > debug_threshold )
be_bryan 0:b74591d5ab33 223 return;
be_bryan 0:b74591d5ab33 224
be_bryan 0:b74591d5ab33 225 for( n = X->n - 1; n > 0; n-- )
be_bryan 0:b74591d5ab33 226 if( X->p[n] != 0 )
be_bryan 0:b74591d5ab33 227 break;
be_bryan 0:b74591d5ab33 228
be_bryan 0:b74591d5ab33 229 for( j = ( sizeof(mbedtls_mpi_uint) << 3 ) - 1; j >= 0; j-- )
be_bryan 0:b74591d5ab33 230 if( ( ( X->p[n] >> j ) & 1 ) != 0 )
be_bryan 0:b74591d5ab33 231 break;
be_bryan 0:b74591d5ab33 232
be_bryan 0:b74591d5ab33 233 mbedtls_snprintf( str + idx, sizeof( str ) - idx, "value of '%s' (%d bits) is:\n",
be_bryan 0:b74591d5ab33 234 text, (int) ( ( n * ( sizeof(mbedtls_mpi_uint) << 3 ) ) + j + 1 ) );
be_bryan 0:b74591d5ab33 235
be_bryan 0:b74591d5ab33 236 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 237
be_bryan 0:b74591d5ab33 238 idx = 0;
be_bryan 0:b74591d5ab33 239 for( i = n + 1, j = 0; i > 0; i-- )
be_bryan 0:b74591d5ab33 240 {
be_bryan 0:b74591d5ab33 241 if( zeros && X->p[i - 1] == 0 )
be_bryan 0:b74591d5ab33 242 continue;
be_bryan 0:b74591d5ab33 243
be_bryan 0:b74591d5ab33 244 for( k = sizeof( mbedtls_mpi_uint ) - 1; k >= 0; k-- )
be_bryan 0:b74591d5ab33 245 {
be_bryan 0:b74591d5ab33 246 if( zeros && ( ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF ) == 0 )
be_bryan 0:b74591d5ab33 247 continue;
be_bryan 0:b74591d5ab33 248 else
be_bryan 0:b74591d5ab33 249 zeros = 0;
be_bryan 0:b74591d5ab33 250
be_bryan 0:b74591d5ab33 251 if( j % 16 == 0 )
be_bryan 0:b74591d5ab33 252 {
be_bryan 0:b74591d5ab33 253 if( j > 0 )
be_bryan 0:b74591d5ab33 254 {
be_bryan 0:b74591d5ab33 255 mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" );
be_bryan 0:b74591d5ab33 256 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 257 idx = 0;
be_bryan 0:b74591d5ab33 258 }
be_bryan 0:b74591d5ab33 259 }
be_bryan 0:b74591d5ab33 260
be_bryan 0:b74591d5ab33 261 idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x", (unsigned int)
be_bryan 0:b74591d5ab33 262 ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF );
be_bryan 0:b74591d5ab33 263
be_bryan 0:b74591d5ab33 264 j++;
be_bryan 0:b74591d5ab33 265 }
be_bryan 0:b74591d5ab33 266
be_bryan 0:b74591d5ab33 267 }
be_bryan 0:b74591d5ab33 268
be_bryan 0:b74591d5ab33 269 if( zeros == 1 )
be_bryan 0:b74591d5ab33 270 idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " 00" );
be_bryan 0:b74591d5ab33 271
be_bryan 0:b74591d5ab33 272 mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" );
be_bryan 0:b74591d5ab33 273 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 274 }
be_bryan 0:b74591d5ab33 275 #endif /* MBEDTLS_BIGNUM_C */
be_bryan 0:b74591d5ab33 276
be_bryan 0:b74591d5ab33 277 #if defined(MBEDTLS_X509_CRT_PARSE_C)
be_bryan 0:b74591d5ab33 278 static void debug_print_pk( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 279 const char *file, int line,
be_bryan 0:b74591d5ab33 280 const char *text, const mbedtls_pk_context *pk )
be_bryan 0:b74591d5ab33 281 {
be_bryan 0:b74591d5ab33 282 size_t i;
be_bryan 0:b74591d5ab33 283 mbedtls_pk_debug_item items[MBEDTLS_PK_DEBUG_MAX_ITEMS];
be_bryan 0:b74591d5ab33 284 char name[16];
be_bryan 0:b74591d5ab33 285
be_bryan 0:b74591d5ab33 286 memset( items, 0, sizeof( items ) );
be_bryan 0:b74591d5ab33 287
be_bryan 0:b74591d5ab33 288 if( mbedtls_pk_debug( pk, items ) != 0 )
be_bryan 0:b74591d5ab33 289 {
be_bryan 0:b74591d5ab33 290 debug_send_line( ssl, level, file, line,
be_bryan 0:b74591d5ab33 291 "invalid PK context\n" );
be_bryan 0:b74591d5ab33 292 return;
be_bryan 0:b74591d5ab33 293 }
be_bryan 0:b74591d5ab33 294
be_bryan 0:b74591d5ab33 295 for( i = 0; i < MBEDTLS_PK_DEBUG_MAX_ITEMS; i++ )
be_bryan 0:b74591d5ab33 296 {
be_bryan 0:b74591d5ab33 297 if( items[i].type == MBEDTLS_PK_DEBUG_NONE )
be_bryan 0:b74591d5ab33 298 return;
be_bryan 0:b74591d5ab33 299
be_bryan 0:b74591d5ab33 300 mbedtls_snprintf( name, sizeof( name ), "%s%s", text, items[i].name );
be_bryan 0:b74591d5ab33 301 name[sizeof( name ) - 1] = '\0';
be_bryan 0:b74591d5ab33 302
be_bryan 0:b74591d5ab33 303 if( items[i].type == MBEDTLS_PK_DEBUG_MPI )
be_bryan 0:b74591d5ab33 304 mbedtls_debug_print_mpi( ssl, level, file, line, name, items[i].value );
be_bryan 0:b74591d5ab33 305 else
be_bryan 0:b74591d5ab33 306 #if defined(MBEDTLS_ECP_C)
be_bryan 0:b74591d5ab33 307 if( items[i].type == MBEDTLS_PK_DEBUG_ECP )
be_bryan 0:b74591d5ab33 308 mbedtls_debug_print_ecp( ssl, level, file, line, name, items[i].value );
be_bryan 0:b74591d5ab33 309 else
be_bryan 0:b74591d5ab33 310 #endif
be_bryan 0:b74591d5ab33 311 debug_send_line( ssl, level, file, line,
be_bryan 0:b74591d5ab33 312 "should not happen\n" );
be_bryan 0:b74591d5ab33 313 }
be_bryan 0:b74591d5ab33 314 }
be_bryan 0:b74591d5ab33 315
be_bryan 0:b74591d5ab33 316 static void debug_print_line_by_line( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 317 const char *file, int line, const char *text )
be_bryan 0:b74591d5ab33 318 {
be_bryan 0:b74591d5ab33 319 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 320 const char *start, *cur;
be_bryan 0:b74591d5ab33 321
be_bryan 0:b74591d5ab33 322 start = text;
be_bryan 0:b74591d5ab33 323 for( cur = text; *cur != '\0'; cur++ )
be_bryan 0:b74591d5ab33 324 {
be_bryan 0:b74591d5ab33 325 if( *cur == '\n' )
be_bryan 0:b74591d5ab33 326 {
be_bryan 0:b74591d5ab33 327 size_t len = cur - start + 1;
be_bryan 0:b74591d5ab33 328 if( len > DEBUG_BUF_SIZE - 1 )
be_bryan 0:b74591d5ab33 329 len = DEBUG_BUF_SIZE - 1;
be_bryan 0:b74591d5ab33 330
be_bryan 0:b74591d5ab33 331 memcpy( str, start, len );
be_bryan 0:b74591d5ab33 332 str[len] = '\0';
be_bryan 0:b74591d5ab33 333
be_bryan 0:b74591d5ab33 334 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 335
be_bryan 0:b74591d5ab33 336 start = cur + 1;
be_bryan 0:b74591d5ab33 337 }
be_bryan 0:b74591d5ab33 338 }
be_bryan 0:b74591d5ab33 339 }
be_bryan 0:b74591d5ab33 340
be_bryan 0:b74591d5ab33 341 void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level,
be_bryan 0:b74591d5ab33 342 const char *file, int line,
be_bryan 0:b74591d5ab33 343 const char *text, const mbedtls_x509_crt *crt )
be_bryan 0:b74591d5ab33 344 {
be_bryan 0:b74591d5ab33 345 char str[DEBUG_BUF_SIZE];
be_bryan 0:b74591d5ab33 346 int i = 0;
be_bryan 0:b74591d5ab33 347
be_bryan 0:b74591d5ab33 348 if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || crt == NULL || level > debug_threshold )
be_bryan 0:b74591d5ab33 349 return;
be_bryan 0:b74591d5ab33 350
be_bryan 0:b74591d5ab33 351 while( crt != NULL )
be_bryan 0:b74591d5ab33 352 {
be_bryan 0:b74591d5ab33 353 char buf[1024];
be_bryan 0:b74591d5ab33 354
be_bryan 0:b74591d5ab33 355 mbedtls_snprintf( str, sizeof( str ), "%s #%d:\n", text, ++i );
be_bryan 0:b74591d5ab33 356 debug_send_line( ssl, level, file, line, str );
be_bryan 0:b74591d5ab33 357
be_bryan 0:b74591d5ab33 358 mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
be_bryan 0:b74591d5ab33 359 debug_print_line_by_line( ssl, level, file, line, buf );
be_bryan 0:b74591d5ab33 360
be_bryan 0:b74591d5ab33 361 debug_print_pk( ssl, level, file, line, "crt->", &crt->pk );
be_bryan 0:b74591d5ab33 362
be_bryan 0:b74591d5ab33 363 crt = crt->next;
be_bryan 0:b74591d5ab33 364 }
be_bryan 0:b74591d5ab33 365 }
be_bryan 0:b74591d5ab33 366 #endif /* MBEDTLS_X509_CRT_PARSE_C */
be_bryan 0:b74591d5ab33 367
be_bryan 0:b74591d5ab33 368 #endif /* MBEDTLS_DEBUG_C */